--- /dev/null
+#define DRV_NAME "advansys"
+#define ASC_VERSION "3.4" /* AdvanSys Driver Version */
+
+/*
+ * advansys.c - Linux Host Driver for AdvanSys SCSI Adapters
+ *
+ * Copyright (c) 1995-2000 Advanced System Products, Inc.
+ * Copyright (c) 2000-2001 ConnectCom Solutions, Inc.
+ * Copyright (c) 2007 Matthew Wilcox <matthew@wil.cx>
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+/*
+ * As of March 8, 2000 Advanced System Products, Inc. (AdvanSys)
+ * changed its name to ConnectCom Solutions, Inc.
+ * On June 18, 2001 Initio Corp. acquired ConnectCom's SCSI assets
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <linux/isa.h>
+#include <linux/eisa.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
+#include <linux/firmware.h>
+
+#include <asm/io.h>
+#include <asm/dma.h>
+
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+
+/* FIXME:
+ *
+ * 1. Although all of the necessary command mapping places have the
+ * appropriate dma_map.. APIs, the driver still processes its internal
+ * queue using bus_to_virt() and virt_to_bus() which are illegal under
+ * the API. The entire queue processing structure will need to be
+ * altered to fix this.
+ * 2. Need to add memory mapping workaround. Test the memory mapping.
+ * If it doesn't work revert to I/O port access. Can a test be done
+ * safely?
+ * 3. Handle an interrupt not working. Keep an interrupt counter in
+ * the interrupt handler. In the timeout function if the interrupt
+ * has not occurred then print a message and run in polled mode.
+ * 4. Need to add support for target mode commands, cf. CAM XPT.
+ * 5. check DMA mapping functions for failure
+ * 6. Use scsi_transport_spi
+ * 7. advansys_info is not safe against multiple simultaneous callers
+ * 8. Add module_param to override ISA/VLB ioport array
+ */
+#warning this driver is still not properly converted to the DMA API
+
+/* Enable driver /proc statistics. */
+#define ADVANSYS_STATS
+
+/* Enable driver tracing. */
+#undef ADVANSYS_DEBUG
+
+/*
+ * Portable Data Types
+ *
+ * Any instance where a 32-bit long or pointer type is assumed
+ * for precision or HW defined structures, the following define
+ * types must be used. In Linux the char, short, and int types
+ * are all consistent at 8, 16, and 32 bits respectively. Pointers
+ * and long types are 64 bits on Alpha and UltraSPARC.
+ */
+#define ASC_PADDR __u32 /* Physical/Bus address data type. */
+#define ASC_VADDR __u32 /* Virtual address data type. */
+#define ASC_DCNT __u32 /* Unsigned Data count type. */
+#define ASC_SDCNT __s32 /* Signed Data count type. */
+
+typedef unsigned char uchar;
+
+#ifndef TRUE
+#define TRUE (1)
+#endif
+#ifndef FALSE
+#define FALSE (0)
+#endif
+
+#define ERR (-1)
+#define UW_ERR (uint)(0xFFFF)
+#define isodd_word(val) ((((uint)val) & (uint)0x0001) != 0)
+
+#define PCI_VENDOR_ID_ASP 0x10cd
+#define PCI_DEVICE_ID_ASP_1200A 0x1100
+#define PCI_DEVICE_ID_ASP_ABP940 0x1200
+#define PCI_DEVICE_ID_ASP_ABP940U 0x1300
+#define PCI_DEVICE_ID_ASP_ABP940UW 0x2300
+#define PCI_DEVICE_ID_38C0800_REV1 0x2500
+#define PCI_DEVICE_ID_38C1600_REV1 0x2700
+
+/*
+ * Enable CC_VERY_LONG_SG_LIST to support up to 64K element SG lists.
+ * The SRB structure will have to be changed and the ASC_SRB2SCSIQ()
+ * macro re-defined to be able to obtain a ASC_SCSI_Q pointer from the
+ * SRB structure.
+ */
+#define CC_VERY_LONG_SG_LIST 0
+#define ASC_SRB2SCSIQ(srb_ptr) (srb_ptr)
+
+#define PortAddr unsigned int /* port address size */
+#define inp(port) inb(port)
+#define outp(port, byte) outb((byte), (port))
+
+#define inpw(port) inw(port)
+#define outpw(port, word) outw((word), (port))
+
+#define ASC_MAX_SG_QUEUE 7
+#define ASC_MAX_SG_LIST 255
+
+#define ASC_CS_TYPE unsigned short
+
+#define ASC_IS_ISA (0x0001)
+#define ASC_IS_ISAPNP (0x0081)
+#define ASC_IS_EISA (0x0002)
+#define ASC_IS_PCI (0x0004)
+#define ASC_IS_PCI_ULTRA (0x0104)
+#define ASC_IS_PCMCIA (0x0008)
+#define ASC_IS_MCA (0x0020)
+#define ASC_IS_VL (0x0040)
+#define ASC_IS_WIDESCSI_16 (0x0100)
+#define ASC_IS_WIDESCSI_32 (0x0200)
+#define ASC_IS_BIG_ENDIAN (0x8000)
+
+#define ASC_CHIP_MIN_VER_VL (0x01)
+#define ASC_CHIP_MAX_VER_VL (0x07)
+#define ASC_CHIP_MIN_VER_PCI (0x09)
+#define ASC_CHIP_MAX_VER_PCI (0x0F)
+#define ASC_CHIP_VER_PCI_BIT (0x08)
+#define ASC_CHIP_MIN_VER_ISA (0x11)
+#define ASC_CHIP_MIN_VER_ISA_PNP (0x21)
+#define ASC_CHIP_MAX_VER_ISA (0x27)
+#define ASC_CHIP_VER_ISA_BIT (0x30)
+#define ASC_CHIP_VER_ISAPNP_BIT (0x20)
+#define ASC_CHIP_VER_ASYN_BUG (0x21)
+#define ASC_CHIP_VER_PCI 0x08
+#define ASC_CHIP_VER_PCI_ULTRA_3150 (ASC_CHIP_VER_PCI | 0x02)
+#define ASC_CHIP_VER_PCI_ULTRA_3050 (ASC_CHIP_VER_PCI | 0x03)
+#define ASC_CHIP_MIN_VER_EISA (0x41)
+#define ASC_CHIP_MAX_VER_EISA (0x47)
+#define ASC_CHIP_VER_EISA_BIT (0x40)
+#define ASC_CHIP_LATEST_VER_EISA ((ASC_CHIP_MIN_VER_EISA - 1) + 3)
+#define ASC_MAX_VL_DMA_COUNT (0x07FFFFFFL)
+#define ASC_MAX_PCI_DMA_COUNT (0xFFFFFFFFL)
+#define ASC_MAX_ISA_DMA_COUNT (0x00FFFFFFL)
+
+#define ASC_SCSI_ID_BITS 3
+#define ASC_SCSI_TIX_TYPE uchar
+#define ASC_ALL_DEVICE_BIT_SET 0xFF
+#define ASC_SCSI_BIT_ID_TYPE uchar
+#define ASC_MAX_TID 7
+#define ASC_MAX_LUN 7
+#define ASC_SCSI_WIDTH_BIT_SET 0xFF
+#define ASC_MAX_SENSE_LEN 32
+#define ASC_MIN_SENSE_LEN 14
+#define ASC_SCSI_RESET_HOLD_TIME_US 60
+
+/*
+ * Narrow boards only support 12-byte commands, while wide boards
+ * extend to 16-byte commands.
+ */
+#define ASC_MAX_CDB_LEN 12
+#define ADV_MAX_CDB_LEN 16
+
+#define MS_SDTR_LEN 0x03
+#define MS_WDTR_LEN 0x02
+
+#define ASC_SG_LIST_PER_Q 7
+#define QS_FREE 0x00
+#define QS_READY 0x01
+#define QS_DISC1 0x02
+#define QS_DISC2 0x04
+#define QS_BUSY 0x08
+#define QS_ABORTED 0x40
+#define QS_DONE 0x80
+#define QC_NO_CALLBACK 0x01
+#define QC_SG_SWAP_QUEUE 0x02
+#define QC_SG_HEAD 0x04
+#define QC_DATA_IN 0x08
+#define QC_DATA_OUT 0x10
+#define QC_URGENT 0x20
+#define QC_MSG_OUT 0x40
+#define QC_REQ_SENSE 0x80
+#define QCSG_SG_XFER_LIST 0x02
+#define QCSG_SG_XFER_MORE 0x04
+#define QCSG_SG_XFER_END 0x08
+#define QD_IN_PROGRESS 0x00
+#define QD_NO_ERROR 0x01
+#define QD_ABORTED_BY_HOST 0x02
+#define QD_WITH_ERROR 0x04
+#define QD_INVALID_REQUEST 0x80
+#define QD_INVALID_HOST_NUM 0x81
+#define QD_INVALID_DEVICE 0x82
+#define QD_ERR_INTERNAL 0xFF
+#define QHSTA_NO_ERROR 0x00
+#define QHSTA_M_SEL_TIMEOUT 0x11
+#define QHSTA_M_DATA_OVER_RUN 0x12
+#define QHSTA_M_DATA_UNDER_RUN 0x12
+#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13
+#define QHSTA_M_BAD_BUS_PHASE_SEQ 0x14
+#define QHSTA_D_QDONE_SG_LIST_CORRUPTED 0x21
+#define QHSTA_D_ASC_DVC_ERROR_CODE_SET 0x22
+#define QHSTA_D_HOST_ABORT_FAILED 0x23
+#define QHSTA_D_EXE_SCSI_Q_FAILED 0x24
+#define QHSTA_D_EXE_SCSI_Q_BUSY_TIMEOUT 0x25
+#define QHSTA_D_ASPI_NO_BUF_POOL 0x26
+#define QHSTA_M_WTM_TIMEOUT 0x41
+#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42
+#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43
+#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
+#define QHSTA_M_TARGET_STATUS_BUSY 0x45
+#define QHSTA_M_BAD_TAG_CODE 0x46
+#define QHSTA_M_BAD_QUEUE_FULL_OR_BUSY 0x47
+#define QHSTA_M_HUNG_REQ_SCSI_BUS_RESET 0x48
+#define QHSTA_D_LRAM_CMP_ERROR 0x81
+#define QHSTA_M_MICRO_CODE_ERROR_HALT 0xA1
+#define ASC_FLAG_SCSIQ_REQ 0x01
+#define ASC_FLAG_BIOS_SCSIQ_REQ 0x02
+#define ASC_FLAG_BIOS_ASYNC_IO 0x04
+#define ASC_FLAG_SRB_LINEAR_ADDR 0x08
+#define ASC_FLAG_WIN16 0x10
+#define ASC_FLAG_WIN32 0x20
+#define ASC_FLAG_ISA_OVER_16MB 0x40
+#define ASC_FLAG_DOS_VM_CALLBACK 0x80
+#define ASC_TAG_FLAG_EXTRA_BYTES 0x10
+#define ASC_TAG_FLAG_DISABLE_DISCONNECT 0x04
+#define ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX 0x08
+#define ASC_TAG_FLAG_DISABLE_CHK_COND_INT_HOST 0x40
+#define ASC_SCSIQ_CPY_BEG 4
+#define ASC_SCSIQ_SGHD_CPY_BEG 2
+#define ASC_SCSIQ_B_FWD 0
+#define ASC_SCSIQ_B_BWD 1
+#define ASC_SCSIQ_B_STATUS 2
+#define ASC_SCSIQ_B_QNO 3
+#define ASC_SCSIQ_B_CNTL 4
+#define ASC_SCSIQ_B_SG_QUEUE_CNT 5
+#define ASC_SCSIQ_D_DATA_ADDR 8
+#define ASC_SCSIQ_D_DATA_CNT 12
+#define ASC_SCSIQ_B_SENSE_LEN 20
+#define ASC_SCSIQ_DONE_INFO_BEG 22
+#define ASC_SCSIQ_D_SRBPTR 22
+#define ASC_SCSIQ_B_TARGET_IX 26
+#define ASC_SCSIQ_B_CDB_LEN 28
+#define ASC_SCSIQ_B_TAG_CODE 29
+#define ASC_SCSIQ_W_VM_ID 30
+#define ASC_SCSIQ_DONE_STATUS 32
+#define ASC_SCSIQ_HOST_STATUS 33
+#define ASC_SCSIQ_SCSI_STATUS 34
+#define ASC_SCSIQ_CDB_BEG 36
+#define ASC_SCSIQ_DW_REMAIN_XFER_ADDR 56
+#define ASC_SCSIQ_DW_REMAIN_XFER_CNT 60
+#define ASC_SCSIQ_B_FIRST_SG_WK_QP 48
+#define ASC_SCSIQ_B_SG_WK_QP 49
+#define ASC_SCSIQ_B_SG_WK_IX 50
+#define ASC_SCSIQ_W_ALT_DC1 52
+#define ASC_SCSIQ_B_LIST_CNT 6
+#define ASC_SCSIQ_B_CUR_LIST_CNT 7
+#define ASC_SGQ_B_SG_CNTL 4
+#define ASC_SGQ_B_SG_HEAD_QP 5
+#define ASC_SGQ_B_SG_LIST_CNT 6
+#define ASC_SGQ_B_SG_CUR_LIST_CNT 7
+#define ASC_SGQ_LIST_BEG 8
+#define ASC_DEF_SCSI1_QNG 4
+#define ASC_MAX_SCSI1_QNG 4
+#define ASC_DEF_SCSI2_QNG 16
+#define ASC_MAX_SCSI2_QNG 32
+#define ASC_TAG_CODE_MASK 0x23
+#define ASC_STOP_REQ_RISC_STOP 0x01
+#define ASC_STOP_ACK_RISC_STOP 0x03
+#define ASC_STOP_CLEAN_UP_BUSY_Q 0x10
+#define ASC_STOP_CLEAN_UP_DISC_Q 0x20
+#define ASC_STOP_HOST_REQ_RISC_HALT 0x40
+#define ASC_TIDLUN_TO_IX(tid, lun) (ASC_SCSI_TIX_TYPE)((tid) + ((lun)<<ASC_SCSI_ID_BITS))
+#define ASC_TID_TO_TARGET_ID(tid) (ASC_SCSI_BIT_ID_TYPE)(0x01 << (tid))
+#define ASC_TIX_TO_TARGET_ID(tix) (0x01 << ((tix) & ASC_MAX_TID))
+#define ASC_TIX_TO_TID(tix) ((tix) & ASC_MAX_TID)
+#define ASC_TID_TO_TIX(tid) ((tid) & ASC_MAX_TID)
+#define ASC_TIX_TO_LUN(tix) (((tix) >> ASC_SCSI_ID_BITS) & ASC_MAX_LUN)
+#define ASC_QNO_TO_QADDR(q_no) ((ASC_QADR_BEG)+((int)(q_no) << 6))
+
+typedef struct asc_scsiq_1 {
+ uchar status;
+ uchar q_no;
+ uchar cntl;
+ uchar sg_queue_cnt;
+ uchar target_id;
+ uchar target_lun;
+ ASC_PADDR data_addr;
+ ASC_DCNT data_cnt;
+ ASC_PADDR sense_addr;
+ uchar sense_len;
+ uchar extra_bytes;
+} ASC_SCSIQ_1;
+
+typedef struct asc_scsiq_2 {
+ ASC_VADDR srb_ptr;
+ uchar target_ix;
+ uchar flag;
+ uchar cdb_len;
+ uchar tag_code;
+ ushort vm_id;
+} ASC_SCSIQ_2;
+
+typedef struct asc_scsiq_3 {
+ uchar done_stat;
+ uchar host_stat;
+ uchar scsi_stat;
+ uchar scsi_msg;
+} ASC_SCSIQ_3;
+
+typedef struct asc_scsiq_4 {
+ uchar cdb[ASC_MAX_CDB_LEN];
+ uchar y_first_sg_list_qp;
+ uchar y_working_sg_qp;
+ uchar y_working_sg_ix;
+ uchar y_res;
+ ushort x_req_count;
+ ushort x_reconnect_rtn;
+ ASC_PADDR x_saved_data_addr;
+ ASC_DCNT x_saved_data_cnt;
+} ASC_SCSIQ_4;
+
+typedef struct asc_q_done_info {
+ ASC_SCSIQ_2 d2;
+ ASC_SCSIQ_3 d3;
+ uchar q_status;
+ uchar q_no;
+ uchar cntl;
+ uchar sense_len;
+ uchar extra_bytes;
+ uchar res;
+ ASC_DCNT remain_bytes;
+} ASC_QDONE_INFO;
+
+typedef struct asc_sg_list {
+ ASC_PADDR addr;
+ ASC_DCNT bytes;
+} ASC_SG_LIST;
+
+typedef struct asc_sg_head {
+ ushort entry_cnt;
+ ushort queue_cnt;
+ ushort entry_to_copy;
+ ushort res;
+ ASC_SG_LIST sg_list[0];
+} ASC_SG_HEAD;
+
+typedef struct asc_scsi_q {
+ ASC_SCSIQ_1 q1;
+ ASC_SCSIQ_2 q2;
+ uchar *cdbptr;
+ ASC_SG_HEAD *sg_head;
+ ushort remain_sg_entry_cnt;
+ ushort next_sg_index;
+} ASC_SCSI_Q;
+
+typedef struct asc_scsi_req_q {
+ ASC_SCSIQ_1 r1;
+ ASC_SCSIQ_2 r2;
+ uchar *cdbptr;
+ ASC_SG_HEAD *sg_head;
+ uchar *sense_ptr;
+ ASC_SCSIQ_3 r3;
+ uchar cdb[ASC_MAX_CDB_LEN];
+ uchar sense[ASC_MIN_SENSE_LEN];
+} ASC_SCSI_REQ_Q;
+
+typedef struct asc_scsi_bios_req_q {
+ ASC_SCSIQ_1 r1;
+ ASC_SCSIQ_2 r2;
+ uchar *cdbptr;
+ ASC_SG_HEAD *sg_head;
+ uchar *sense_ptr;
+ ASC_SCSIQ_3 r3;
+ uchar cdb[ASC_MAX_CDB_LEN];
+ uchar sense[ASC_MIN_SENSE_LEN];
+} ASC_SCSI_BIOS_REQ_Q;
+
+typedef struct asc_risc_q {
+ uchar fwd;
+ uchar bwd;
+ ASC_SCSIQ_1 i1;
+ ASC_SCSIQ_2 i2;
+ ASC_SCSIQ_3 i3;
+ ASC_SCSIQ_4 i4;
+} ASC_RISC_Q;
+
+typedef struct asc_sg_list_q {
+ uchar seq_no;
+ uchar q_no;
+ uchar cntl;
+ uchar sg_head_qp;
+ uchar sg_list_cnt;
+ uchar sg_cur_list_cnt;
+} ASC_SG_LIST_Q;
+
+typedef struct asc_risc_sg_list_q {
+ uchar fwd;
+ uchar bwd;
+ ASC_SG_LIST_Q sg;
+ ASC_SG_LIST sg_list[7];
+} ASC_RISC_SG_LIST_Q;
+
+#define ASCQ_ERR_Q_STATUS 0x0D
+#define ASCQ_ERR_CUR_QNG 0x17
+#define ASCQ_ERR_SG_Q_LINKS 0x18
+#define ASCQ_ERR_ISR_RE_ENTRY 0x1A
+#define ASCQ_ERR_CRITICAL_RE_ENTRY 0x1B
+#define ASCQ_ERR_ISR_ON_CRITICAL 0x1C
+
+/*
+ * Warning code values are set in ASC_DVC_VAR 'warn_code'.
+ */
+#define ASC_WARN_NO_ERROR 0x0000
+#define ASC_WARN_IO_PORT_ROTATE 0x0001
+#define ASC_WARN_EEPROM_CHKSUM 0x0002
+#define ASC_WARN_IRQ_MODIFIED 0x0004
+#define ASC_WARN_AUTO_CONFIG 0x0008
+#define ASC_WARN_CMD_QNG_CONFLICT 0x0010
+#define ASC_WARN_EEPROM_RECOVER 0x0020
+#define ASC_WARN_CFG_MSW_RECOVER 0x0040
+
+/*
+ * Error code values are set in {ASC/ADV}_DVC_VAR 'err_code'.
+ */
+#define ASC_IERR_NO_CARRIER 0x0001 /* No more carrier memory */
+#define ASC_IERR_MCODE_CHKSUM 0x0002 /* micro code check sum error */
+#define ASC_IERR_SET_PC_ADDR 0x0004
+#define ASC_IERR_START_STOP_CHIP 0x0008 /* start/stop chip failed */
+#define ASC_IERR_ILLEGAL_CONNECTION 0x0010 /* Illegal cable connection */
+#define ASC_IERR_SINGLE_END_DEVICE 0x0020 /* SE device on DIFF bus */
+#define ASC_IERR_REVERSED_CABLE 0x0040 /* Narrow flat cable reversed */
+#define ASC_IERR_SET_SCSI_ID 0x0080 /* set SCSI ID failed */
+#define ASC_IERR_HVD_DEVICE 0x0100 /* HVD device on LVD port */
+#define ASC_IERR_BAD_SIGNATURE 0x0200 /* signature not found */
+#define ASC_IERR_NO_BUS_TYPE 0x0400
+#define ASC_IERR_BIST_PRE_TEST 0x0800 /* BIST pre-test error */
+#define ASC_IERR_BIST_RAM_TEST 0x1000 /* BIST RAM test error */
+#define ASC_IERR_BAD_CHIPTYPE 0x2000 /* Invalid chip_type setting */
+
+#define ASC_DEF_MAX_TOTAL_QNG (0xF0)
+#define ASC_MIN_TAG_Q_PER_DVC (0x04)
+#define ASC_MIN_FREE_Q (0x02)
+#define ASC_MIN_TOTAL_QNG ((ASC_MAX_SG_QUEUE)+(ASC_MIN_FREE_Q))
+#define ASC_MAX_TOTAL_QNG 240
+#define ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG 16
+#define ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG 8
+#define ASC_MAX_PCI_INRAM_TOTAL_QNG 20
+#define ASC_MAX_INRAM_TAG_QNG 16
+#define ASC_IOADR_GAP 0x10
+#define ASC_SYN_MAX_OFFSET 0x0F
+#define ASC_DEF_SDTR_OFFSET 0x0F
+#define ASC_SDTR_ULTRA_PCI_10MB_INDEX 0x02
+#define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41
+
+/* The narrow chip only supports a limited selection of transfer rates.
+ * These are encoded in the range 0..7 or 0..15 depending whether the chip
+ * is Ultra-capable or not. These tables let us convert from one to the other.
+ */
+static const unsigned char asc_syn_xfer_period[8] = {
+ 25, 30, 35, 40, 50, 60, 70, 85
+};
+
+static const unsigned char asc_syn_ultra_xfer_period[16] = {
+ 12, 19, 25, 32, 38, 44, 50, 57, 63, 69, 75, 82, 88, 94, 100, 107
+};
+
+typedef struct ext_msg {
+ uchar msg_type;
+ uchar msg_len;
+ uchar msg_req;
+ union {
+ struct {
+ uchar sdtr_xfer_period;
+ uchar sdtr_req_ack_offset;
+ } sdtr;
+ struct {
+ uchar wdtr_width;
+ } wdtr;
+ struct {
+ uchar mdp_b3;
+ uchar mdp_b2;
+ uchar mdp_b1;
+ uchar mdp_b0;
+ } mdp;
+ } u_ext_msg;
+ uchar res;
+} EXT_MSG;
+
+#define xfer_period u_ext_msg.sdtr.sdtr_xfer_period
+#define req_ack_offset u_ext_msg.sdtr.sdtr_req_ack_offset
+#define wdtr_width u_ext_msg.wdtr.wdtr_width
+#define mdp_b3 u_ext_msg.mdp_b3
+#define mdp_b2 u_ext_msg.mdp_b2
+#define mdp_b1 u_ext_msg.mdp_b1
+#define mdp_b0 u_ext_msg.mdp_b0
+
+typedef struct asc_dvc_cfg {
+ ASC_SCSI_BIT_ID_TYPE can_tagged_qng;
+ ASC_SCSI_BIT_ID_TYPE cmd_qng_enabled;
+ ASC_SCSI_BIT_ID_TYPE disc_enable;
+ ASC_SCSI_BIT_ID_TYPE sdtr_enable;
+ uchar chip_scsi_id;
+ uchar isa_dma_speed;
+ uchar isa_dma_channel;
+ uchar chip_version;
+ ushort mcode_date;
+ ushort mcode_version;
+ uchar max_tag_qng[ASC_MAX_TID + 1];
+ uchar sdtr_period_offset[ASC_MAX_TID + 1];
+ uchar adapter_info[6];
+} ASC_DVC_CFG;
+
+#define ASC_DEF_DVC_CNTL 0xFFFF
+#define ASC_DEF_CHIP_SCSI_ID 7
+#define ASC_DEF_ISA_DMA_SPEED 4
+#define ASC_INIT_STATE_BEG_GET_CFG 0x0001
+#define ASC_INIT_STATE_END_GET_CFG 0x0002
+#define ASC_INIT_STATE_BEG_SET_CFG 0x0004
+#define ASC_INIT_STATE_END_SET_CFG 0x0008
+#define ASC_INIT_STATE_BEG_LOAD_MC 0x0010
+#define ASC_INIT_STATE_END_LOAD_MC 0x0020
+#define ASC_INIT_STATE_BEG_INQUIRY 0x0040
+#define ASC_INIT_STATE_END_INQUIRY 0x0080
+#define ASC_INIT_RESET_SCSI_DONE 0x0100
+#define ASC_INIT_STATE_WITHOUT_EEP 0x8000
+#define ASC_BUG_FIX_IF_NOT_DWB 0x0001
+#define ASC_BUG_FIX_ASYN_USE_SYN 0x0002
+#define ASC_MIN_TAGGED_CMD 7
+#define ASC_MAX_SCSI_RESET_WAIT 30
+#define ASC_OVERRUN_BSIZE 64
+
+struct asc_dvc_var; /* Forward Declaration. */
+
+typedef struct asc_dvc_var {
+ PortAddr iop_base;
+ ushort err_code;
+ ushort dvc_cntl;
+ ushort bug_fix_cntl;
+ ushort bus_type;
+ ASC_SCSI_BIT_ID_TYPE init_sdtr;
+ ASC_SCSI_BIT_ID_TYPE sdtr_done;
+ ASC_SCSI_BIT_ID_TYPE use_tagged_qng;
+ ASC_SCSI_BIT_ID_TYPE unit_not_ready;
+ ASC_SCSI_BIT_ID_TYPE queue_full_or_busy;
+ ASC_SCSI_BIT_ID_TYPE start_motor;
+ uchar *overrun_buf;
+ dma_addr_t overrun_dma;
+ uchar scsi_reset_wait;
+ uchar chip_no;
+ char is_in_int;
+ uchar max_total_qng;
+ uchar cur_total_qng;
+ uchar in_critical_cnt;
+ uchar last_q_shortage;
+ ushort init_state;
+ uchar cur_dvc_qng[ASC_MAX_TID + 1];
+ uchar max_dvc_qng[ASC_MAX_TID + 1];
+ ASC_SCSI_Q *scsiq_busy_head[ASC_MAX_TID + 1];
+ ASC_SCSI_Q *scsiq_busy_tail[ASC_MAX_TID + 1];
+ const uchar *sdtr_period_tbl;
+ ASC_DVC_CFG *cfg;
+ ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer_always;
+ char redo_scam;
+ ushort res2;
+ uchar dos_int13_table[ASC_MAX_TID + 1];
+ ASC_DCNT max_dma_count;
+ ASC_SCSI_BIT_ID_TYPE no_scam;
+ ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer;
+ uchar min_sdtr_index;
+ uchar max_sdtr_index;
+ struct asc_board *drv_ptr;
+ int ptr_map_count;
+ void **ptr_map;
+ ASC_DCNT uc_break;
+} ASC_DVC_VAR;
+
+typedef struct asc_dvc_inq_info {
+ uchar type[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
+} ASC_DVC_INQ_INFO;
+
+typedef struct asc_cap_info {
+ ASC_DCNT lba;
+ ASC_DCNT blk_size;
+} ASC_CAP_INFO;
+
+typedef struct asc_cap_info_array {
+ ASC_CAP_INFO cap_info[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
+} ASC_CAP_INFO_ARRAY;
+
+#define ASC_MCNTL_NO_SEL_TIMEOUT (ushort)0x0001
+#define ASC_MCNTL_NULL_TARGET (ushort)0x0002
+#define ASC_CNTL_INITIATOR (ushort)0x0001
+#define ASC_CNTL_BIOS_GT_1GB (ushort)0x0002
+#define ASC_CNTL_BIOS_GT_2_DISK (ushort)0x0004
+#define ASC_CNTL_BIOS_REMOVABLE (ushort)0x0008
+#define ASC_CNTL_NO_SCAM (ushort)0x0010
+#define ASC_CNTL_INT_MULTI_Q (ushort)0x0080
+#define ASC_CNTL_NO_LUN_SUPPORT (ushort)0x0040
+#define ASC_CNTL_NO_VERIFY_COPY (ushort)0x0100
+#define ASC_CNTL_RESET_SCSI (ushort)0x0200
+#define ASC_CNTL_INIT_INQUIRY (ushort)0x0400
+#define ASC_CNTL_INIT_VERBOSE (ushort)0x0800
+#define ASC_CNTL_SCSI_PARITY (ushort)0x1000
+#define ASC_CNTL_BURST_MODE (ushort)0x2000
+#define ASC_CNTL_SDTR_ENABLE_ULTRA (ushort)0x4000
+#define ASC_EEP_DVC_CFG_BEG_VL 2
+#define ASC_EEP_MAX_DVC_ADDR_VL 15
+#define ASC_EEP_DVC_CFG_BEG 32
+#define ASC_EEP_MAX_DVC_ADDR 45
+#define ASC_EEP_MAX_RETRY 20
+
+/*
+ * These macros keep the chip SCSI id and ISA DMA speed
+ * bitfields in board order. C bitfields aren't portable
+ * between big and little-endian platforms so they are
+ * not used.
+ */
+
+#define ASC_EEP_GET_CHIP_ID(cfg) ((cfg)->id_speed & 0x0f)
+#define ASC_EEP_GET_DMA_SPD(cfg) (((cfg)->id_speed & 0xf0) >> 4)
+#define ASC_EEP_SET_CHIP_ID(cfg, sid) \
+ ((cfg)->id_speed = ((cfg)->id_speed & 0xf0) | ((sid) & ASC_MAX_TID))
+#define ASC_EEP_SET_DMA_SPD(cfg, spd) \
+ ((cfg)->id_speed = ((cfg)->id_speed & 0x0f) | ((spd) & 0x0f) << 4)
+
+typedef struct asceep_config {
+ ushort cfg_lsw;
+ ushort cfg_msw;
+ uchar init_sdtr;
+ uchar disc_enable;
+ uchar use_cmd_qng;
+ uchar start_motor;
+ uchar max_total_qng;
+ uchar max_tag_qng;
+ uchar bios_scan;
+ uchar power_up_wait;
+ uchar no_scam;
+ uchar id_speed; /* low order 4 bits is chip scsi id */
+ /* high order 4 bits is isa dma speed */
+ uchar dos_int13_table[ASC_MAX_TID + 1];
+ uchar adapter_info[6];
+ ushort cntl;
+ ushort chksum;
+} ASCEEP_CONFIG;
+
+#define ASC_EEP_CMD_READ 0x80
+#define ASC_EEP_CMD_WRITE 0x40
+#define ASC_EEP_CMD_WRITE_ABLE 0x30
+#define ASC_EEP_CMD_WRITE_DISABLE 0x00
+#define ASCV_MSGOUT_BEG 0x0000
+#define ASCV_MSGOUT_SDTR_PERIOD (ASCV_MSGOUT_BEG+3)
+#define ASCV_MSGOUT_SDTR_OFFSET (ASCV_MSGOUT_BEG+4)
+#define ASCV_BREAK_SAVED_CODE (ushort)0x0006
+#define ASCV_MSGIN_BEG (ASCV_MSGOUT_BEG+8)
+#define ASCV_MSGIN_SDTR_PERIOD (ASCV_MSGIN_BEG+3)
+#define ASCV_MSGIN_SDTR_OFFSET (ASCV_MSGIN_BEG+4)
+#define ASCV_SDTR_DATA_BEG (ASCV_MSGIN_BEG+8)
+#define ASCV_SDTR_DONE_BEG (ASCV_SDTR_DATA_BEG+8)
+#define ASCV_MAX_DVC_QNG_BEG (ushort)0x0020
+#define ASCV_BREAK_ADDR (ushort)0x0028
+#define ASCV_BREAK_NOTIFY_COUNT (ushort)0x002A
+#define ASCV_BREAK_CONTROL (ushort)0x002C
+#define ASCV_BREAK_HIT_COUNT (ushort)0x002E
+
+#define ASCV_ASCDVC_ERR_CODE_W (ushort)0x0030
+#define ASCV_MCODE_CHKSUM_W (ushort)0x0032
+#define ASCV_MCODE_SIZE_W (ushort)0x0034
+#define ASCV_STOP_CODE_B (ushort)0x0036
+#define ASCV_DVC_ERR_CODE_B (ushort)0x0037
+#define ASCV_OVERRUN_PADDR_D (ushort)0x0038
+#define ASCV_OVERRUN_BSIZE_D (ushort)0x003C
+#define ASCV_HALTCODE_W (ushort)0x0040
+#define ASCV_CHKSUM_W (ushort)0x0042
+#define ASCV_MC_DATE_W (ushort)0x0044
+#define ASCV_MC_VER_W (ushort)0x0046
+#define ASCV_NEXTRDY_B (ushort)0x0048
+#define ASCV_DONENEXT_B (ushort)0x0049
+#define ASCV_USE_TAGGED_QNG_B (ushort)0x004A
+#define ASCV_SCSIBUSY_B (ushort)0x004B
+#define ASCV_Q_DONE_IN_PROGRESS_B (ushort)0x004C
+#define ASCV_CURCDB_B (ushort)0x004D
+#define ASCV_RCLUN_B (ushort)0x004E
+#define ASCV_BUSY_QHEAD_B (ushort)0x004F
+#define ASCV_DISC1_QHEAD_B (ushort)0x0050
+#define ASCV_DISC_ENABLE_B (ushort)0x0052
+#define ASCV_CAN_TAGGED_QNG_B (ushort)0x0053
+#define ASCV_HOSTSCSI_ID_B (ushort)0x0055
+#define ASCV_MCODE_CNTL_B (ushort)0x0056
+#define ASCV_NULL_TARGET_B (ushort)0x0057
+#define ASCV_FREE_Q_HEAD_W (ushort)0x0058
+#define ASCV_DONE_Q_TAIL_W (ushort)0x005A
+#define ASCV_FREE_Q_HEAD_B (ushort)(ASCV_FREE_Q_HEAD_W+1)
+#define ASCV_DONE_Q_TAIL_B (ushort)(ASCV_DONE_Q_TAIL_W+1)
+#define ASCV_HOST_FLAG_B (ushort)0x005D
+#define ASCV_TOTAL_READY_Q_B (ushort)0x0064
+#define ASCV_VER_SERIAL_B (ushort)0x0065
+#define ASCV_HALTCODE_SAVED_W (ushort)0x0066
+#define ASCV_WTM_FLAG_B (ushort)0x0068
+#define ASCV_RISC_FLAG_B (ushort)0x006A
+#define ASCV_REQ_SG_LIST_QP (ushort)0x006B
+#define ASC_HOST_FLAG_IN_ISR 0x01
+#define ASC_HOST_FLAG_ACK_INT 0x02
+#define ASC_RISC_FLAG_GEN_INT 0x01
+#define ASC_RISC_FLAG_REQ_SG_LIST 0x02
+#define IOP_CTRL (0x0F)
+#define IOP_STATUS (0x0E)
+#define IOP_INT_ACK IOP_STATUS
+#define IOP_REG_IFC (0x0D)
+#define IOP_SYN_OFFSET (0x0B)
+#define IOP_EXTRA_CONTROL (0x0D)
+#define IOP_REG_PC (0x0C)
+#define IOP_RAM_ADDR (0x0A)
+#define IOP_RAM_DATA (0x08)
+#define IOP_EEP_DATA (0x06)
+#define IOP_EEP_CMD (0x07)
+#define IOP_VERSION (0x03)
+#define IOP_CONFIG_HIGH (0x04)
+#define IOP_CONFIG_LOW (0x02)
+#define IOP_SIG_BYTE (0x01)
+#define IOP_SIG_WORD (0x00)
+#define IOP_REG_DC1 (0x0E)
+#define IOP_REG_DC0 (0x0C)
+#define IOP_REG_SB (0x0B)
+#define IOP_REG_DA1 (0x0A)
+#define IOP_REG_DA0 (0x08)
+#define IOP_REG_SC (0x09)
+#define IOP_DMA_SPEED (0x07)
+#define IOP_REG_FLAG (0x07)
+#define IOP_FIFO_H (0x06)
+#define IOP_FIFO_L (0x04)
+#define IOP_REG_ID (0x05)
+#define IOP_REG_QP (0x03)
+#define IOP_REG_IH (0x02)
+#define IOP_REG_IX (0x01)
+#define IOP_REG_AX (0x00)
+#define IFC_REG_LOCK (0x00)
+#define IFC_REG_UNLOCK (0x09)
+#define IFC_WR_EN_FILTER (0x10)
+#define IFC_RD_NO_EEPROM (0x10)
+#define IFC_SLEW_RATE (0x20)
+#define IFC_ACT_NEG (0x40)
+#define IFC_INP_FILTER (0x80)
+#define IFC_INIT_DEFAULT (IFC_ACT_NEG | IFC_REG_UNLOCK)
+#define SC_SEL (uchar)(0x80)
+#define SC_BSY (uchar)(0x40)
+#define SC_ACK (uchar)(0x20)
+#define SC_REQ (uchar)(0x10)
+#define SC_ATN (uchar)(0x08)
+#define SC_IO (uchar)(0x04)
+#define SC_CD (uchar)(0x02)
+#define SC_MSG (uchar)(0x01)
+#define SEC_SCSI_CTL (uchar)(0x80)
+#define SEC_ACTIVE_NEGATE (uchar)(0x40)
+#define SEC_SLEW_RATE (uchar)(0x20)
+#define SEC_ENABLE_FILTER (uchar)(0x10)
+#define ASC_HALT_EXTMSG_IN (ushort)0x8000
+#define ASC_HALT_CHK_CONDITION (ushort)0x8100
+#define ASC_HALT_SS_QUEUE_FULL (ushort)0x8200
+#define ASC_HALT_DISABLE_ASYN_USE_SYN_FIX (ushort)0x8300
+#define ASC_HALT_ENABLE_ASYN_USE_SYN_FIX (ushort)0x8400
+#define ASC_HALT_SDTR_REJECTED (ushort)0x4000
+#define ASC_HALT_HOST_COPY_SG_LIST_TO_RISC ( ushort )0x2000
+#define ASC_MAX_QNO 0xF8
+#define ASC_DATA_SEC_BEG (ushort)0x0080
+#define ASC_DATA_SEC_END (ushort)0x0080
+#define ASC_CODE_SEC_BEG (ushort)0x0080
+#define ASC_CODE_SEC_END (ushort)0x0080
+#define ASC_QADR_BEG (0x4000)
+#define ASC_QADR_USED (ushort)(ASC_MAX_QNO * 64)
+#define ASC_QADR_END (ushort)0x7FFF
+#define ASC_QLAST_ADR (ushort)0x7FC0
+#define ASC_QBLK_SIZE 0x40
+#define ASC_BIOS_DATA_QBEG 0xF8
+#define ASC_MIN_ACTIVE_QNO 0x01
+#define ASC_QLINK_END 0xFF
+#define ASC_EEPROM_WORDS 0x10
+#define ASC_MAX_MGS_LEN 0x10
+#define ASC_BIOS_ADDR_DEF 0xDC00
+#define ASC_BIOS_SIZE 0x3800
+#define ASC_BIOS_RAM_OFF 0x3800
+#define ASC_BIOS_RAM_SIZE 0x800
+#define ASC_BIOS_MIN_ADDR 0xC000
+#define ASC_BIOS_MAX_ADDR 0xEC00
+#define ASC_BIOS_BANK_SIZE 0x0400
+#define ASC_MCODE_START_ADDR 0x0080
+#define ASC_CFG0_HOST_INT_ON 0x0020
+#define ASC_CFG0_BIOS_ON 0x0040
+#define ASC_CFG0_VERA_BURST_ON 0x0080
+#define ASC_CFG0_SCSI_PARITY_ON 0x0800
+#define ASC_CFG1_SCSI_TARGET_ON 0x0080
+#define ASC_CFG1_LRAM_8BITS_ON 0x0800
+#define ASC_CFG_MSW_CLR_MASK 0x3080
+#define CSW_TEST1 (ASC_CS_TYPE)0x8000
+#define CSW_AUTO_CONFIG (ASC_CS_TYPE)0x4000
+#define CSW_RESERVED1 (ASC_CS_TYPE)0x2000
+#define CSW_IRQ_WRITTEN (ASC_CS_TYPE)0x1000
+#define CSW_33MHZ_SELECTED (ASC_CS_TYPE)0x0800
+#define CSW_TEST2 (ASC_CS_TYPE)0x0400
+#define CSW_TEST3 (ASC_CS_TYPE)0x0200
+#define CSW_RESERVED2 (ASC_CS_TYPE)0x0100
+#define CSW_DMA_DONE (ASC_CS_TYPE)0x0080
+#define CSW_FIFO_RDY (ASC_CS_TYPE)0x0040
+#define CSW_EEP_READ_DONE (ASC_CS_TYPE)0x0020
+#define CSW_HALTED (ASC_CS_TYPE)0x0010
+#define CSW_SCSI_RESET_ACTIVE (ASC_CS_TYPE)0x0008
+#define CSW_PARITY_ERR (ASC_CS_TYPE)0x0004
+#define CSW_SCSI_RESET_LATCH (ASC_CS_TYPE)0x0002
+#define CSW_INT_PENDING (ASC_CS_TYPE)0x0001
+#define CIW_CLR_SCSI_RESET_INT (ASC_CS_TYPE)0x1000
+#define CIW_INT_ACK (ASC_CS_TYPE)0x0100
+#define CIW_TEST1 (ASC_CS_TYPE)0x0200
+#define CIW_TEST2 (ASC_CS_TYPE)0x0400
+#define CIW_SEL_33MHZ (ASC_CS_TYPE)0x0800
+#define CIW_IRQ_ACT (ASC_CS_TYPE)0x1000
+#define CC_CHIP_RESET (uchar)0x80
+#define CC_SCSI_RESET (uchar)0x40
+#define CC_HALT (uchar)0x20
+#define CC_SINGLE_STEP (uchar)0x10
+#define CC_DMA_ABLE (uchar)0x08
+#define CC_TEST (uchar)0x04
+#define CC_BANK_ONE (uchar)0x02
+#define CC_DIAG (uchar)0x01
+#define ASC_1000_ID0W 0x04C1
+#define ASC_1000_ID0W_FIX 0x00C1
+#define ASC_1000_ID1B 0x25
+#define ASC_EISA_REV_IOP_MASK (0x0C83)
+#define ASC_EISA_CFG_IOP_MASK (0x0C86)
+#define ASC_GET_EISA_SLOT(iop) (PortAddr)((iop) & 0xF000)
+#define INS_HALTINT (ushort)0x6281
+#define INS_HALT (ushort)0x6280
+#define INS_SINT (ushort)0x6200
+#define INS_RFLAG_WTM (ushort)0x7380
+#define ASC_MC_SAVE_CODE_WSIZE 0x500
+#define ASC_MC_SAVE_DATA_WSIZE 0x40
+
+typedef struct asc_mc_saved {
+ ushort data[ASC_MC_SAVE_DATA_WSIZE];
+ ushort code[ASC_MC_SAVE_CODE_WSIZE];
+} ASC_MC_SAVED;
+
+#define AscGetQDoneInProgress(port) AscReadLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B)
+#define AscPutQDoneInProgress(port, val) AscWriteLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B, val)
+#define AscGetVarFreeQHead(port) AscReadLramWord((port), ASCV_FREE_Q_HEAD_W)
+#define AscGetVarDoneQTail(port) AscReadLramWord((port), ASCV_DONE_Q_TAIL_W)
+#define AscPutVarFreeQHead(port, val) AscWriteLramWord((port), ASCV_FREE_Q_HEAD_W, val)
+#define AscPutVarDoneQTail(port, val) AscWriteLramWord((port), ASCV_DONE_Q_TAIL_W, val)
+#define AscGetRiscVarFreeQHead(port) AscReadLramByte((port), ASCV_NEXTRDY_B)
+#define AscGetRiscVarDoneQTail(port) AscReadLramByte((port), ASCV_DONENEXT_B)
+#define AscPutRiscVarFreeQHead(port, val) AscWriteLramByte((port), ASCV_NEXTRDY_B, val)
+#define AscPutRiscVarDoneQTail(port, val) AscWriteLramByte((port), ASCV_DONENEXT_B, val)
+#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data))
+#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id))
+#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data)
+#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id))
+#define AscGetChipSignatureByte(port) (uchar)inp((port)+IOP_SIG_BYTE)
+#define AscGetChipSignatureWord(port) (ushort)inpw((port)+IOP_SIG_WORD)
+#define AscGetChipVerNo(port) (uchar)inp((port)+IOP_VERSION)
+#define AscGetChipCfgLsw(port) (ushort)inpw((port)+IOP_CONFIG_LOW)
+#define AscGetChipCfgMsw(port) (ushort)inpw((port)+IOP_CONFIG_HIGH)
+#define AscSetChipCfgLsw(port, data) outpw((port)+IOP_CONFIG_LOW, data)
+#define AscSetChipCfgMsw(port, data) outpw((port)+IOP_CONFIG_HIGH, data)
+#define AscGetChipEEPCmd(port) (uchar)inp((port)+IOP_EEP_CMD)
+#define AscSetChipEEPCmd(port, data) outp((port)+IOP_EEP_CMD, data)
+#define AscGetChipEEPData(port) (ushort)inpw((port)+IOP_EEP_DATA)
+#define AscSetChipEEPData(port, data) outpw((port)+IOP_EEP_DATA, data)
+#define AscGetChipLramAddr(port) (ushort)inpw((PortAddr)((port)+IOP_RAM_ADDR))
+#define AscSetChipLramAddr(port, addr) outpw((PortAddr)((port)+IOP_RAM_ADDR), addr)
+#define AscGetChipLramData(port) (ushort)inpw((port)+IOP_RAM_DATA)
+#define AscSetChipLramData(port, data) outpw((port)+IOP_RAM_DATA, data)
+#define AscGetChipIFC(port) (uchar)inp((port)+IOP_REG_IFC)
+#define AscSetChipIFC(port, data) outp((port)+IOP_REG_IFC, data)
+#define AscGetChipStatus(port) (ASC_CS_TYPE)inpw((port)+IOP_STATUS)
+#define AscSetChipStatus(port, cs_val) outpw((port)+IOP_STATUS, cs_val)
+#define AscGetChipControl(port) (uchar)inp((port)+IOP_CTRL)
+#define AscSetChipControl(port, cc_val) outp((port)+IOP_CTRL, cc_val)
+#define AscGetChipSyn(port) (uchar)inp((port)+IOP_SYN_OFFSET)
+#define AscSetChipSyn(port, data) outp((port)+IOP_SYN_OFFSET, data)
+#define AscSetPCAddr(port, data) outpw((port)+IOP_REG_PC, data)
+#define AscGetPCAddr(port) (ushort)inpw((port)+IOP_REG_PC)
+#define AscIsIntPending(port) (AscGetChipStatus(port) & (CSW_INT_PENDING | CSW_SCSI_RESET_LATCH))
+#define AscGetChipScsiID(port) ((AscGetChipCfgLsw(port) >> 8) & ASC_MAX_TID)
+#define AscGetExtraControl(port) (uchar)inp((port)+IOP_EXTRA_CONTROL)
+#define AscSetExtraControl(port, data) outp((port)+IOP_EXTRA_CONTROL, data)
+#define AscReadChipAX(port) (ushort)inpw((port)+IOP_REG_AX)
+#define AscWriteChipAX(port, data) outpw((port)+IOP_REG_AX, data)
+#define AscReadChipIX(port) (uchar)inp((port)+IOP_REG_IX)
+#define AscWriteChipIX(port, data) outp((port)+IOP_REG_IX, data)
+#define AscReadChipIH(port) (ushort)inpw((port)+IOP_REG_IH)
+#define AscWriteChipIH(port, data) outpw((port)+IOP_REG_IH, data)
+#define AscReadChipQP(port) (uchar)inp((port)+IOP_REG_QP)
+#define AscWriteChipQP(port, data) outp((port)+IOP_REG_QP, data)
+#define AscReadChipFIFO_L(port) (ushort)inpw((port)+IOP_REG_FIFO_L)
+#define AscWriteChipFIFO_L(port, data) outpw((port)+IOP_REG_FIFO_L, data)
+#define AscReadChipFIFO_H(port) (ushort)inpw((port)+IOP_REG_FIFO_H)
+#define AscWriteChipFIFO_H(port, data) outpw((port)+IOP_REG_FIFO_H, data)
+#define AscReadChipDmaSpeed(port) (uchar)inp((port)+IOP_DMA_SPEED)
+#define AscWriteChipDmaSpeed(port, data) outp((port)+IOP_DMA_SPEED, data)
+#define AscReadChipDA0(port) (ushort)inpw((port)+IOP_REG_DA0)
+#define AscWriteChipDA0(port) outpw((port)+IOP_REG_DA0, data)
+#define AscReadChipDA1(port) (ushort)inpw((port)+IOP_REG_DA1)
+#define AscWriteChipDA1(port) outpw((port)+IOP_REG_DA1, data)
+#define AscReadChipDC0(port) (ushort)inpw((port)+IOP_REG_DC0)
+#define AscWriteChipDC0(port) outpw((port)+IOP_REG_DC0, data)
+#define AscReadChipDC1(port) (ushort)inpw((port)+IOP_REG_DC1)
+#define AscWriteChipDC1(port) outpw((port)+IOP_REG_DC1, data)
+#define AscReadChipDvcID(port) (uchar)inp((port)+IOP_REG_ID)
+#define AscWriteChipDvcID(port, data) outp((port)+IOP_REG_ID, data)
+
+/*
+ * Portable Data Types
+ *
+ * Any instance where a 32-bit long or pointer type is assumed
+ * for precision or HW defined structures, the following define
+ * types must be used. In Linux the char, short, and int types
+ * are all consistent at 8, 16, and 32 bits respectively. Pointers
+ * and long types are 64 bits on Alpha and UltraSPARC.
+ */
+#define ADV_PADDR __u32 /* Physical address data type. */
+#define ADV_VADDR __u32 /* Virtual address data type. */
+#define ADV_DCNT __u32 /* Unsigned Data count type. */
+#define ADV_SDCNT __s32 /* Signed Data count type. */
+
+/*
+ * These macros are used to convert a virtual address to a
+ * 32-bit value. This currently can be used on Linux Alpha
+ * which uses 64-bit virtual address but a 32-bit bus address.
+ * This is likely to break in the future, but doing this now
+ * will give us time to change the HW and FW to handle 64-bit
+ * addresses.
+ */
+#define ADV_VADDR_TO_U32 virt_to_bus
+#define ADV_U32_TO_VADDR bus_to_virt
+
+#define AdvPortAddr void __iomem * /* Virtual memory address size */
+
+/*
+ * Define Adv Library required memory access macros.
+ */
+#define ADV_MEM_READB(addr) readb(addr)
+#define ADV_MEM_READW(addr) readw(addr)
+#define ADV_MEM_WRITEB(addr, byte) writeb(byte, addr)
+#define ADV_MEM_WRITEW(addr, word) writew(word, addr)
+#define ADV_MEM_WRITEDW(addr, dword) writel(dword, addr)
+
+#define ADV_CARRIER_COUNT (ASC_DEF_MAX_HOST_QNG + 15)
+
+/*
+ * Define total number of simultaneous maximum element scatter-gather
+ * request blocks per wide adapter. ASC_DEF_MAX_HOST_QNG (253) is the
+ * maximum number of outstanding commands per wide host adapter. Each
+ * command uses one or more ADV_SG_BLOCK each with 15 scatter-gather
+ * elements. Allow each command to have at least one ADV_SG_BLOCK structure.
+ * This allows about 15 commands to have the maximum 17 ADV_SG_BLOCK
+ * structures or 255 scatter-gather elements.
+ */
+#define ADV_TOT_SG_BLOCK ASC_DEF_MAX_HOST_QNG
+
+/*
+ * Define maximum number of scatter-gather elements per request.
+ */
+#define ADV_MAX_SG_LIST 255
+#define NO_OF_SG_PER_BLOCK 15
+
+#define ADV_EEP_DVC_CFG_BEGIN (0x00)
+#define ADV_EEP_DVC_CFG_END (0x15)
+#define ADV_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */
+#define ADV_EEP_MAX_WORD_ADDR (0x1E)
+
+#define ADV_EEP_DELAY_MS 100
+
+#define ADV_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */
+#define ADV_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */
+/*
+ * For the ASC3550 Bit 13 is Termination Polarity control bit.
+ * For later ICs Bit 13 controls whether the CIS (Card Information
+ * Service Section) is loaded from EEPROM.
+ */
+#define ADV_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */
+#define ADV_EEPROM_CIS_LD 0x2000 /* EEPROM Bit 13 */
+/*
+ * ASC38C1600 Bit 11
+ *
+ * If EEPROM Bit 11 is 0 for Function 0, then Function 0 will specify
+ * INT A in the PCI Configuration Space Int Pin field. If it is 1, then
+ * Function 0 will specify INT B.
+ *
+ * If EEPROM Bit 11 is 0 for Function 1, then Function 1 will specify
+ * INT B in the PCI Configuration Space Int Pin field. If it is 1, then
+ * Function 1 will specify INT A.
+ */
+#define ADV_EEPROM_INTAB 0x0800 /* EEPROM Bit 11 */
+
+typedef struct adveep_3550_config {
+ /* Word Offset, Description */
+
+ ushort cfg_lsw; /* 00 power up initialization */
+ /* bit 13 set - Term Polarity Control */
+ /* bit 14 set - BIOS Enable */
+ /* bit 15 set - Big Endian Mode */
+ ushort cfg_msw; /* 01 unused */
+ ushort disc_enable; /* 02 disconnect enable */
+ ushort wdtr_able; /* 03 Wide DTR able */
+ ushort sdtr_able; /* 04 Synchronous DTR able */
+ ushort start_motor; /* 05 send start up motor */
+ ushort tagqng_able; /* 06 tag queuing able */
+ ushort bios_scan; /* 07 BIOS device control */
+ ushort scam_tolerant; /* 08 no scam */
+
+ uchar adapter_scsi_id; /* 09 Host Adapter ID */
+ uchar bios_boot_delay; /* power up wait */
+
+ uchar scsi_reset_delay; /* 10 reset delay */
+ uchar bios_id_lun; /* first boot device scsi id & lun */
+ /* high nibble is lun */
+ /* low nibble is scsi id */
+
+ uchar termination; /* 11 0 - automatic */
+ /* 1 - low off / high off */
+ /* 2 - low off / high on */
+ /* 3 - low on / high on */
+ /* There is no low on / high off */
+
+ uchar reserved1; /* reserved byte (not used) */
+
+ ushort bios_ctrl; /* 12 BIOS control bits */
+ /* bit 0 BIOS don't act as initiator. */
+ /* bit 1 BIOS > 1 GB support */
+ /* bit 2 BIOS > 2 Disk Support */
+ /* bit 3 BIOS don't support removables */
+ /* bit 4 BIOS support bootable CD */
+ /* bit 5 BIOS scan enabled */
+ /* bit 6 BIOS support multiple LUNs */
+ /* bit 7 BIOS display of message */
+ /* bit 8 SCAM disabled */
+ /* bit 9 Reset SCSI bus during init. */
+ /* bit 10 */
+ /* bit 11 No verbose initialization. */
+ /* bit 12 SCSI parity enabled */
+ /* bit 13 */
+ /* bit 14 */
+ /* bit 15 */
+ ushort ultra_able; /* 13 ULTRA speed able */
+ ushort reserved2; /* 14 reserved */
+ uchar max_host_qng; /* 15 maximum host queuing */
+ uchar max_dvc_qng; /* maximum per device queuing */
+ ushort dvc_cntl; /* 16 control bit for driver */
+ ushort bug_fix; /* 17 control bit for bug fix */
+ ushort serial_number_word1; /* 18 Board serial number word 1 */
+ ushort serial_number_word2; /* 19 Board serial number word 2 */
+ ushort serial_number_word3; /* 20 Board serial number word 3 */
+ ushort check_sum; /* 21 EEP check sum */
+ uchar oem_name[16]; /* 22 OEM name */
+ ushort dvc_err_code; /* 30 last device driver error code */
+ ushort adv_err_code; /* 31 last uc and Adv Lib error code */
+ ushort adv_err_addr; /* 32 last uc error address */
+ ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */
+ ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */
+ ushort saved_adv_err_addr; /* 35 saved last uc error address */
+ ushort num_of_err; /* 36 number of error */
+} ADVEEP_3550_CONFIG;
+
+typedef struct adveep_38C0800_config {
+ /* Word Offset, Description */
+
+ ushort cfg_lsw; /* 00 power up initialization */
+ /* bit 13 set - Load CIS */
+ /* bit 14 set - BIOS Enable */
+ /* bit 15 set - Big Endian Mode */
+ ushort cfg_msw; /* 01 unused */
+ ushort disc_enable; /* 02 disconnect enable */
+ ushort wdtr_able; /* 03 Wide DTR able */
+ ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */
+ ushort start_motor; /* 05 send start up motor */
+ ushort tagqng_able; /* 06 tag queuing able */
+ ushort bios_scan; /* 07 BIOS device control */
+ ushort scam_tolerant; /* 08 no scam */
+
+ uchar adapter_scsi_id; /* 09 Host Adapter ID */
+ uchar bios_boot_delay; /* power up wait */
+
+ uchar scsi_reset_delay; /* 10 reset delay */
+ uchar bios_id_lun; /* first boot device scsi id & lun */
+ /* high nibble is lun */
+ /* low nibble is scsi id */
+
+ uchar termination_se; /* 11 0 - automatic */
+ /* 1 - low off / high off */
+ /* 2 - low off / high on */
+ /* 3 - low on / high on */
+ /* There is no low on / high off */
+
+ uchar termination_lvd; /* 11 0 - automatic */
+ /* 1 - low off / high off */
+ /* 2 - low off / high on */
+ /* 3 - low on / high on */
+ /* There is no low on / high off */
+
+ ushort bios_ctrl; /* 12 BIOS control bits */
+ /* bit 0 BIOS don't act as initiator. */
+ /* bit 1 BIOS > 1 GB support */
+ /* bit 2 BIOS > 2 Disk Support */
+ /* bit 3 BIOS don't support removables */
+ /* bit 4 BIOS support bootable CD */
+ /* bit 5 BIOS scan enabled */
+ /* bit 6 BIOS support multiple LUNs */
+ /* bit 7 BIOS display of message */
+ /* bit 8 SCAM disabled */
+ /* bit 9 Reset SCSI bus during init. */
+ /* bit 10 */
+ /* bit 11 No verbose initialization. */
+ /* bit 12 SCSI parity enabled */
+ /* bit 13 */
+ /* bit 14 */
+ /* bit 15 */
+ ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */
+ ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */
+ uchar max_host_qng; /* 15 maximum host queueing */
+ uchar max_dvc_qng; /* maximum per device queuing */
+ ushort dvc_cntl; /* 16 control bit for driver */
+ ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */
+ ushort serial_number_word1; /* 18 Board serial number word 1 */
+ ushort serial_number_word2; /* 19 Board serial number word 2 */
+ ushort serial_number_word3; /* 20 Board serial number word 3 */
+ ushort check_sum; /* 21 EEP check sum */
+ uchar oem_name[16]; /* 22 OEM name */
+ ushort dvc_err_code; /* 30 last device driver error code */
+ ushort adv_err_code; /* 31 last uc and Adv Lib error code */
+ ushort adv_err_addr; /* 32 last uc error address */
+ ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */
+ ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */
+ ushort saved_adv_err_addr; /* 35 saved last uc error address */
+ ushort reserved36; /* 36 reserved */
+ ushort reserved37; /* 37 reserved */
+ ushort reserved38; /* 38 reserved */
+ ushort reserved39; /* 39 reserved */
+ ushort reserved40; /* 40 reserved */
+ ushort reserved41; /* 41 reserved */
+ ushort reserved42; /* 42 reserved */
+ ushort reserved43; /* 43 reserved */
+ ushort reserved44; /* 44 reserved */
+ ushort reserved45; /* 45 reserved */
+ ushort reserved46; /* 46 reserved */
+ ushort reserved47; /* 47 reserved */
+ ushort reserved48; /* 48 reserved */
+ ushort reserved49; /* 49 reserved */
+ ushort reserved50; /* 50 reserved */
+ ushort reserved51; /* 51 reserved */
+ ushort reserved52; /* 52 reserved */
+ ushort reserved53; /* 53 reserved */
+ ushort reserved54; /* 54 reserved */
+ ushort reserved55; /* 55 reserved */
+ ushort cisptr_lsw; /* 56 CIS PTR LSW */
+ ushort cisprt_msw; /* 57 CIS PTR MSW */
+ ushort subsysvid; /* 58 SubSystem Vendor ID */
+ ushort subsysid; /* 59 SubSystem ID */
+ ushort reserved60; /* 60 reserved */
+ ushort reserved61; /* 61 reserved */
+ ushort reserved62; /* 62 reserved */
+ ushort reserved63; /* 63 reserved */
+} ADVEEP_38C0800_CONFIG;
+
+typedef struct adveep_38C1600_config {
+ /* Word Offset, Description */
+
+ ushort cfg_lsw; /* 00 power up initialization */
+ /* bit 11 set - Func. 0 INTB, Func. 1 INTA */
+ /* clear - Func. 0 INTA, Func. 1 INTB */
+ /* bit 13 set - Load CIS */
+ /* bit 14 set - BIOS Enable */
+ /* bit 15 set - Big Endian Mode */
+ ushort cfg_msw; /* 01 unused */
+ ushort disc_enable; /* 02 disconnect enable */
+ ushort wdtr_able; /* 03 Wide DTR able */
+ ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */
+ ushort start_motor; /* 05 send start up motor */
+ ushort tagqng_able; /* 06 tag queuing able */
+ ushort bios_scan; /* 07 BIOS device control */
+ ushort scam_tolerant; /* 08 no scam */
+
+ uchar adapter_scsi_id; /* 09 Host Adapter ID */
+ uchar bios_boot_delay; /* power up wait */
+
+ uchar scsi_reset_delay; /* 10 reset delay */
+ uchar bios_id_lun; /* first boot device scsi id & lun */
+ /* high nibble is lun */
+ /* low nibble is scsi id */
+
+ uchar termination_se; /* 11 0 - automatic */
+ /* 1 - low off / high off */
+ /* 2 - low off / high on */
+ /* 3 - low on / high on */
+ /* There is no low on / high off */
+
+ uchar termination_lvd; /* 11 0 - automatic */
+ /* 1 - low off / high off */
+ /* 2 - low off / high on */
+ /* 3 - low on / high on */
+ /* There is no low on / high off */
+
+ ushort bios_ctrl; /* 12 BIOS control bits */
+ /* bit 0 BIOS don't act as initiator. */
+ /* bit 1 BIOS > 1 GB support */
+ /* bit 2 BIOS > 2 Disk Support */
+ /* bit 3 BIOS don't support removables */
+ /* bit 4 BIOS support bootable CD */
+ /* bit 5 BIOS scan enabled */
+ /* bit 6 BIOS support multiple LUNs */
+ /* bit 7 BIOS display of message */
+ /* bit 8 SCAM disabled */
+ /* bit 9 Reset SCSI bus during init. */
+ /* bit 10 Basic Integrity Checking disabled */
+ /* bit 11 No verbose initialization. */
+ /* bit 12 SCSI parity enabled */
+ /* bit 13 AIPP (Asyn. Info. Ph. Prot.) dis. */
+ /* bit 14 */
+ /* bit 15 */
+ ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */
+ ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */
+ uchar max_host_qng; /* 15 maximum host queueing */
+ uchar max_dvc_qng; /* maximum per device queuing */
+ ushort dvc_cntl; /* 16 control bit for driver */
+ ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */
+ ushort serial_number_word1; /* 18 Board serial number word 1 */
+ ushort serial_number_word2; /* 19 Board serial number word 2 */
+ ushort serial_number_word3; /* 20 Board serial number word 3 */
+ ushort check_sum; /* 21 EEP check sum */
+ uchar oem_name[16]; /* 22 OEM name */
+ ushort dvc_err_code; /* 30 last device driver error code */
+ ushort adv_err_code; /* 31 last uc and Adv Lib error code */
+ ushort adv_err_addr; /* 32 last uc error address */
+ ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */
+ ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */
+ ushort saved_adv_err_addr; /* 35 saved last uc error address */
+ ushort reserved36; /* 36 reserved */
+ ushort reserved37; /* 37 reserved */
+ ushort reserved38; /* 38 reserved */
+ ushort reserved39; /* 39 reserved */
+ ushort reserved40; /* 40 reserved */
+ ushort reserved41; /* 41 reserved */
+ ushort reserved42; /* 42 reserved */
+ ushort reserved43; /* 43 reserved */
+ ushort reserved44; /* 44 reserved */
+ ushort reserved45; /* 45 reserved */
+ ushort reserved46; /* 46 reserved */
+ ushort reserved47; /* 47 reserved */
+ ushort reserved48; /* 48 reserved */
+ ushort reserved49; /* 49 reserved */
+ ushort reserved50; /* 50 reserved */
+ ushort reserved51; /* 51 reserved */
+ ushort reserved52; /* 52 reserved */
+ ushort reserved53; /* 53 reserved */
+ ushort reserved54; /* 54 reserved */
+ ushort reserved55; /* 55 reserved */
+ ushort cisptr_lsw; /* 56 CIS PTR LSW */
+ ushort cisprt_msw; /* 57 CIS PTR MSW */
+ ushort subsysvid; /* 58 SubSystem Vendor ID */
+ ushort subsysid; /* 59 SubSystem ID */
+ ushort reserved60; /* 60 reserved */
+ ushort reserved61; /* 61 reserved */
+ ushort reserved62; /* 62 reserved */
+ ushort reserved63; /* 63 reserved */
+} ADVEEP_38C1600_CONFIG;
+
+/*
+ * EEPROM Commands
+ */
+#define ASC_EEP_CMD_DONE 0x0200
+
+/* bios_ctrl */
+#define BIOS_CTRL_BIOS 0x0001
+#define BIOS_CTRL_EXTENDED_XLAT 0x0002
+#define BIOS_CTRL_GT_2_DISK 0x0004
+#define BIOS_CTRL_BIOS_REMOVABLE 0x0008
+#define BIOS_CTRL_BOOTABLE_CD 0x0010
+#define BIOS_CTRL_MULTIPLE_LUN 0x0040
+#define BIOS_CTRL_DISPLAY_MSG 0x0080
+#define BIOS_CTRL_NO_SCAM 0x0100
+#define BIOS_CTRL_RESET_SCSI_BUS 0x0200
+#define BIOS_CTRL_INIT_VERBOSE 0x0800
+#define BIOS_CTRL_SCSI_PARITY 0x1000
+#define BIOS_CTRL_AIPP_DIS 0x2000
+
+#define ADV_3550_MEMSIZE 0x2000 /* 8 KB Internal Memory */
+
+#define ADV_38C0800_MEMSIZE 0x4000 /* 16 KB Internal Memory */
+
+/*
+ * XXX - Since ASC38C1600 Rev.3 has a local RAM failure issue, there is
+ * a special 16K Adv Library and Microcode version. After the issue is
+ * resolved, should restore 32K support.
+ *
+ * #define ADV_38C1600_MEMSIZE 0x8000L * 32 KB Internal Memory *
+ */
+#define ADV_38C1600_MEMSIZE 0x4000 /* 16 KB Internal Memory */
+
+/*
+ * Byte I/O register address from base of 'iop_base'.
+ */
+#define IOPB_INTR_STATUS_REG 0x00
+#define IOPB_CHIP_ID_1 0x01
+#define IOPB_INTR_ENABLES 0x02
+#define IOPB_CHIP_TYPE_REV 0x03
+#define IOPB_RES_ADDR_4 0x04
+#define IOPB_RES_ADDR_5 0x05
+#define IOPB_RAM_DATA 0x06
+#define IOPB_RES_ADDR_7 0x07
+#define IOPB_FLAG_REG 0x08
+#define IOPB_RES_ADDR_9 0x09
+#define IOPB_RISC_CSR 0x0A
+#define IOPB_RES_ADDR_B 0x0B
+#define IOPB_RES_ADDR_C 0x0C
+#define IOPB_RES_ADDR_D 0x0D
+#define IOPB_SOFT_OVER_WR 0x0E
+#define IOPB_RES_ADDR_F 0x0F
+#define IOPB_MEM_CFG 0x10
+#define IOPB_RES_ADDR_11 0x11
+#define IOPB_GPIO_DATA 0x12
+#define IOPB_RES_ADDR_13 0x13
+#define IOPB_FLASH_PAGE 0x14
+#define IOPB_RES_ADDR_15 0x15
+#define IOPB_GPIO_CNTL 0x16
+#define IOPB_RES_ADDR_17 0x17
+#define IOPB_FLASH_DATA 0x18
+#define IOPB_RES_ADDR_19 0x19
+#define IOPB_RES_ADDR_1A 0x1A
+#define IOPB_RES_ADDR_1B 0x1B
+#define IOPB_RES_ADDR_1C 0x1C
+#define IOPB_RES_ADDR_1D 0x1D
+#define IOPB_RES_ADDR_1E 0x1E
+#define IOPB_RES_ADDR_1F 0x1F
+#define IOPB_DMA_CFG0 0x20
+#define IOPB_DMA_CFG1 0x21
+#define IOPB_TICKLE 0x22
+#define IOPB_DMA_REG_WR 0x23
+#define IOPB_SDMA_STATUS 0x24
+#define IOPB_SCSI_BYTE_CNT 0x25
+#define IOPB_HOST_BYTE_CNT 0x26
+#define IOPB_BYTE_LEFT_TO_XFER 0x27
+#define IOPB_BYTE_TO_XFER_0 0x28
+#define IOPB_BYTE_TO_XFER_1 0x29
+#define IOPB_BYTE_TO_XFER_2 0x2A
+#define IOPB_BYTE_TO_XFER_3 0x2B
+#define IOPB_ACC_GRP 0x2C
+#define IOPB_RES_ADDR_2D 0x2D
+#define IOPB_DEV_ID 0x2E
+#define IOPB_RES_ADDR_2F 0x2F
+#define IOPB_SCSI_DATA 0x30
+#define IOPB_RES_ADDR_31 0x31
+#define IOPB_RES_ADDR_32 0x32
+#define IOPB_SCSI_DATA_HSHK 0x33
+#define IOPB_SCSI_CTRL 0x34
+#define IOPB_RES_ADDR_35 0x35
+#define IOPB_RES_ADDR_36 0x36
+#define IOPB_RES_ADDR_37 0x37
+#define IOPB_RAM_BIST 0x38
+#define IOPB_PLL_TEST 0x39
+#define IOPB_PCI_INT_CFG 0x3A
+#define IOPB_RES_ADDR_3B 0x3B
+#define IOPB_RFIFO_CNT 0x3C
+#define IOPB_RES_ADDR_3D 0x3D
+#define IOPB_RES_ADDR_3E 0x3E
+#define IOPB_RES_ADDR_3F 0x3F
+
+/*
+ * Word I/O register address from base of 'iop_base'.
+ */
+#define IOPW_CHIP_ID_0 0x00 /* CID0 */
+#define IOPW_CTRL_REG 0x02 /* CC */
+#define IOPW_RAM_ADDR 0x04 /* LA */
+#define IOPW_RAM_DATA 0x06 /* LD */
+#define IOPW_RES_ADDR_08 0x08
+#define IOPW_RISC_CSR 0x0A /* CSR */
+#define IOPW_SCSI_CFG0 0x0C /* CFG0 */
+#define IOPW_SCSI_CFG1 0x0E /* CFG1 */
+#define IOPW_RES_ADDR_10 0x10
+#define IOPW_SEL_MASK 0x12 /* SM */
+#define IOPW_RES_ADDR_14 0x14
+#define IOPW_FLASH_ADDR 0x16 /* FA */
+#define IOPW_RES_ADDR_18 0x18
+#define IOPW_EE_CMD 0x1A /* EC */
+#define IOPW_EE_DATA 0x1C /* ED */
+#define IOPW_SFIFO_CNT 0x1E /* SFC */
+#define IOPW_RES_ADDR_20 0x20
+#define IOPW_Q_BASE 0x22 /* QB */
+#define IOPW_QP 0x24 /* QP */
+#define IOPW_IX 0x26 /* IX */
+#define IOPW_SP 0x28 /* SP */
+#define IOPW_PC 0x2A /* PC */
+#define IOPW_RES_ADDR_2C 0x2C
+#define IOPW_RES_ADDR_2E 0x2E
+#define IOPW_SCSI_DATA 0x30 /* SD */
+#define IOPW_SCSI_DATA_HSHK 0x32 /* SDH */
+#define IOPW_SCSI_CTRL 0x34 /* SC */
+#define IOPW_HSHK_CFG 0x36 /* HCFG */
+#define IOPW_SXFR_STATUS 0x36 /* SXS */
+#define IOPW_SXFR_CNTL 0x38 /* SXL */
+#define IOPW_SXFR_CNTH 0x3A /* SXH */
+#define IOPW_RES_ADDR_3C 0x3C
+#define IOPW_RFIFO_DATA 0x3E /* RFD */
+
+/*
+ * Doubleword I/O register address from base of 'iop_base'.
+ */
+#define IOPDW_RES_ADDR_0 0x00
+#define IOPDW_RAM_DATA 0x04
+#define IOPDW_RES_ADDR_8 0x08
+#define IOPDW_RES_ADDR_C 0x0C
+#define IOPDW_RES_ADDR_10 0x10
+#define IOPDW_COMMA 0x14
+#define IOPDW_COMMB 0x18
+#define IOPDW_RES_ADDR_1C 0x1C
+#define IOPDW_SDMA_ADDR0 0x20
+#define IOPDW_SDMA_ADDR1 0x24
+#define IOPDW_SDMA_COUNT 0x28
+#define IOPDW_SDMA_ERROR 0x2C
+#define IOPDW_RDMA_ADDR0 0x30
+#define IOPDW_RDMA_ADDR1 0x34
+#define IOPDW_RDMA_COUNT 0x38
+#define IOPDW_RDMA_ERROR 0x3C
+
+#define ADV_CHIP_ID_BYTE 0x25
+#define ADV_CHIP_ID_WORD 0x04C1
+
+#define ADV_INTR_ENABLE_HOST_INTR 0x01
+#define ADV_INTR_ENABLE_SEL_INTR 0x02
+#define ADV_INTR_ENABLE_DPR_INTR 0x04
+#define ADV_INTR_ENABLE_RTA_INTR 0x08
+#define ADV_INTR_ENABLE_RMA_INTR 0x10
+#define ADV_INTR_ENABLE_RST_INTR 0x20
+#define ADV_INTR_ENABLE_DPE_INTR 0x40
+#define ADV_INTR_ENABLE_GLOBAL_INTR 0x80
+
+#define ADV_INTR_STATUS_INTRA 0x01
+#define ADV_INTR_STATUS_INTRB 0x02
+#define ADV_INTR_STATUS_INTRC 0x04
+
+#define ADV_RISC_CSR_STOP (0x0000)
+#define ADV_RISC_TEST_COND (0x2000)
+#define ADV_RISC_CSR_RUN (0x4000)
+#define ADV_RISC_CSR_SINGLE_STEP (0x8000)
+
+#define ADV_CTRL_REG_HOST_INTR 0x0100
+#define ADV_CTRL_REG_SEL_INTR 0x0200
+#define ADV_CTRL_REG_DPR_INTR 0x0400
+#define ADV_CTRL_REG_RTA_INTR 0x0800
+#define ADV_CTRL_REG_RMA_INTR 0x1000
+#define ADV_CTRL_REG_RES_BIT14 0x2000
+#define ADV_CTRL_REG_DPE_INTR 0x4000
+#define ADV_CTRL_REG_POWER_DONE 0x8000
+#define ADV_CTRL_REG_ANY_INTR 0xFF00
+
+#define ADV_CTRL_REG_CMD_RESET 0x00C6
+#define ADV_CTRL_REG_CMD_WR_IO_REG 0x00C5
+#define ADV_CTRL_REG_CMD_RD_IO_REG 0x00C4
+#define ADV_CTRL_REG_CMD_WR_PCI_CFG_SPACE 0x00C3
+#define ADV_CTRL_REG_CMD_RD_PCI_CFG_SPACE 0x00C2
+
+#define ADV_TICKLE_NOP 0x00
+#define ADV_TICKLE_A 0x01
+#define ADV_TICKLE_B 0x02
+#define ADV_TICKLE_C 0x03
+
+#define AdvIsIntPending(port) \
+ (AdvReadWordRegister(port, IOPW_CTRL_REG) & ADV_CTRL_REG_HOST_INTR)
+
+/*
+ * SCSI_CFG0 Register bit definitions
+ */
+#define TIMER_MODEAB 0xC000 /* Watchdog, Second, and Select. Timer Ctrl. */
+#define PARITY_EN 0x2000 /* Enable SCSI Parity Error detection */
+#define EVEN_PARITY 0x1000 /* Select Even Parity */
+#define WD_LONG 0x0800 /* Watchdog Interval, 1: 57 min, 0: 13 sec */
+#define QUEUE_128 0x0400 /* Queue Size, 1: 128 byte, 0: 64 byte */
+#define PRIM_MODE 0x0100 /* Primitive SCSI mode */
+#define SCAM_EN 0x0080 /* Enable SCAM selection */
+#define SEL_TMO_LONG 0x0040 /* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */
+#define CFRM_ID 0x0020 /* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */
+#define OUR_ID_EN 0x0010 /* Enable OUR_ID bits */
+#define OUR_ID 0x000F /* SCSI ID */
+
+/*
+ * SCSI_CFG1 Register bit definitions
+ */
+#define BIG_ENDIAN 0x8000 /* Enable Big Endian Mode MIO:15, EEP:15 */
+#define TERM_POL 0x2000 /* Terminator Polarity Ctrl. MIO:13, EEP:13 */
+#define SLEW_RATE 0x1000 /* SCSI output buffer slew rate */
+#define FILTER_SEL 0x0C00 /* Filter Period Selection */
+#define FLTR_DISABLE 0x0000 /* Input Filtering Disabled */
+#define FLTR_11_TO_20NS 0x0800 /* Input Filtering 11ns to 20ns */
+#define FLTR_21_TO_39NS 0x0C00 /* Input Filtering 21ns to 39ns */
+#define ACTIVE_DBL 0x0200 /* Disable Active Negation */
+#define DIFF_MODE 0x0100 /* SCSI differential Mode (Read-Only) */
+#define DIFF_SENSE 0x0080 /* 1: No SE cables, 0: SE cable (Read-Only) */
+#define TERM_CTL_SEL 0x0040 /* Enable TERM_CTL_H and TERM_CTL_L */
+#define TERM_CTL 0x0030 /* External SCSI Termination Bits */
+#define TERM_CTL_H 0x0020 /* Enable External SCSI Upper Termination */
+#define TERM_CTL_L 0x0010 /* Enable External SCSI Lower Termination */
+#define CABLE_DETECT 0x000F /* External SCSI Cable Connection Status */
+
+/*
+ * Addendum for ASC-38C0800 Chip
+ *
+ * The ASC-38C1600 Chip uses the same definitions except that the
+ * bus mode override bits [12:10] have been moved to byte register
+ * offset 0xE (IOPB_SOFT_OVER_WR) bits [12:10]. The [12:10] bits in
+ * SCSI_CFG1 are read-only and always available. Bit 14 (DIS_TERM_DRV)
+ * is not needed. The [12:10] bits in IOPB_SOFT_OVER_WR are write-only.
+ * Also each ASC-38C1600 function or channel uses only cable bits [5:4]
+ * and [1:0]. Bits [14], [7:6], [3:2] are unused.
+ */
+#define DIS_TERM_DRV 0x4000 /* 1: Read c_det[3:0], 0: cannot read */
+#define HVD_LVD_SE 0x1C00 /* Device Detect Bits */
+#define HVD 0x1000 /* HVD Device Detect */
+#define LVD 0x0800 /* LVD Device Detect */
+#define SE 0x0400 /* SE Device Detect */
+#define TERM_LVD 0x00C0 /* LVD Termination Bits */
+#define TERM_LVD_HI 0x0080 /* Enable LVD Upper Termination */
+#define TERM_LVD_LO 0x0040 /* Enable LVD Lower Termination */
+#define TERM_SE 0x0030 /* SE Termination Bits */
+#define TERM_SE_HI 0x0020 /* Enable SE Upper Termination */
+#define TERM_SE_LO 0x0010 /* Enable SE Lower Termination */
+#define C_DET_LVD 0x000C /* LVD Cable Detect Bits */
+#define C_DET3 0x0008 /* Cable Detect for LVD External Wide */
+#define C_DET2 0x0004 /* Cable Detect for LVD Internal Wide */
+#define C_DET_SE 0x0003 /* SE Cable Detect Bits */
+#define C_DET1 0x0002 /* Cable Detect for SE Internal Wide */
+#define C_DET0 0x0001 /* Cable Detect for SE Internal Narrow */
+
+#define CABLE_ILLEGAL_A 0x7
+ /* x 0 0 0 | on on | Illegal (all 3 connectors are used) */
+
+#define CABLE_ILLEGAL_B 0xB
+ /* 0 x 0 0 | on on | Illegal (all 3 connectors are used) */
+
+/*
+ * MEM_CFG Register bit definitions
+ */
+#define BIOS_EN 0x40 /* BIOS Enable MIO:14,EEP:14 */
+#define FAST_EE_CLK 0x20 /* Diagnostic Bit */
+#define RAM_SZ 0x1C /* Specify size of RAM to RISC */
+#define RAM_SZ_2KB 0x00 /* 2 KB */
+#define RAM_SZ_4KB 0x04 /* 4 KB */
+#define RAM_SZ_8KB 0x08 /* 8 KB */
+#define RAM_SZ_16KB 0x0C /* 16 KB */
+#define RAM_SZ_32KB 0x10 /* 32 KB */
+#define RAM_SZ_64KB 0x14 /* 64 KB */
+
+/*
+ * DMA_CFG0 Register bit definitions
+ *
+ * This register is only accessible to the host.
+ */
+#define BC_THRESH_ENB 0x80 /* PCI DMA Start Conditions */
+#define FIFO_THRESH 0x70 /* PCI DMA FIFO Threshold */
+#define FIFO_THRESH_16B 0x00 /* 16 bytes */
+#define FIFO_THRESH_32B 0x20 /* 32 bytes */
+#define FIFO_THRESH_48B 0x30 /* 48 bytes */
+#define FIFO_THRESH_64B 0x40 /* 64 bytes */
+#define FIFO_THRESH_80B 0x50 /* 80 bytes (default) */
+#define FIFO_THRESH_96B 0x60 /* 96 bytes */
+#define FIFO_THRESH_112B 0x70 /* 112 bytes */
+#define START_CTL 0x0C /* DMA start conditions */
+#define START_CTL_TH 0x00 /* Wait threshold level (default) */
+#define START_CTL_ID 0x04 /* Wait SDMA/SBUS idle */
+#define START_CTL_THID 0x08 /* Wait threshold and SDMA/SBUS idle */
+#define START_CTL_EMFU 0x0C /* Wait SDMA FIFO empty/full */
+#define READ_CMD 0x03 /* Memory Read Method */
+#define READ_CMD_MR 0x00 /* Memory Read */
+#define READ_CMD_MRL 0x02 /* Memory Read Long */
+#define READ_CMD_MRM 0x03 /* Memory Read Multiple (default) */
+
+/*
+ * ASC-38C0800 RAM BIST Register bit definitions
+ */
+#define RAM_TEST_MODE 0x80
+#define PRE_TEST_MODE 0x40
+#define NORMAL_MODE 0x00
+#define RAM_TEST_DONE 0x10
+#define RAM_TEST_STATUS 0x0F
+#define RAM_TEST_HOST_ERROR 0x08
+#define RAM_TEST_INTRAM_ERROR 0x04
+#define RAM_TEST_RISC_ERROR 0x02
+#define RAM_TEST_SCSI_ERROR 0x01
+#define RAM_TEST_SUCCESS 0x00
+#define PRE_TEST_VALUE 0x05
+#define NORMAL_VALUE 0x00
+
+/*
+ * ASC38C1600 Definitions
+ *
+ * IOPB_PCI_INT_CFG Bit Field Definitions
+ */
+
+#define INTAB_LD 0x80 /* Value loaded from EEPROM Bit 11. */
+
+/*
+ * Bit 1 can be set to change the interrupt for the Function to operate in
+ * Totem Pole mode. By default Bit 1 is 0 and the interrupt operates in
+ * Open Drain mode. Both functions of the ASC38C1600 must be set to the same
+ * mode, otherwise the operating mode is undefined.
+ */
+#define TOTEMPOLE 0x02
+
+/*
+ * Bit 0 can be used to change the Int Pin for the Function. The value is
+ * 0 by default for both Functions with Function 0 using INT A and Function
+ * B using INT B. For Function 0 if set, INT B is used. For Function 1 if set,
+ * INT A is used.
+ *
+ * EEPROM Word 0 Bit 11 for each Function may change the initial Int Pin
+ * value specified in the PCI Configuration Space.
+ */
+#define INTAB 0x01
+
+/*
+ * Adv Library Status Definitions
+ */
+#define ADV_TRUE 1
+#define ADV_FALSE 0
+#define ADV_SUCCESS 1
+#define ADV_BUSY 0
+#define ADV_ERROR (-1)
+
+/*
+ * ADV_DVC_VAR 'warn_code' values
+ */
+#define ASC_WARN_BUSRESET_ERROR 0x0001 /* SCSI Bus Reset error */
+#define ASC_WARN_EEPROM_CHKSUM 0x0002 /* EEP check sum error */
+#define ASC_WARN_EEPROM_TERMINATION 0x0004 /* EEP termination bad field */
+#define ASC_WARN_ERROR 0xFFFF /* ADV_ERROR return */
+
+#define ADV_MAX_TID 15 /* max. target identifier */
+#define ADV_MAX_LUN 7 /* max. logical unit number */
+
+/*
+ * Fixed locations of microcode operating variables.
+ */
+#define ASC_MC_CODE_BEGIN_ADDR 0x0028 /* microcode start address */
+#define ASC_MC_CODE_END_ADDR 0x002A /* microcode end address */
+#define ASC_MC_CODE_CHK_SUM 0x002C /* microcode code checksum */
+#define ASC_MC_VERSION_DATE 0x0038 /* microcode version */
+#define ASC_MC_VERSION_NUM 0x003A /* microcode number */
+#define ASC_MC_BIOSMEM 0x0040 /* BIOS RISC Memory Start */
+#define ASC_MC_BIOSLEN 0x0050 /* BIOS RISC Memory Length */
+#define ASC_MC_BIOS_SIGNATURE 0x0058 /* BIOS Signature 0x55AA */
+#define ASC_MC_BIOS_VERSION 0x005A /* BIOS Version (2 bytes) */
+#define ASC_MC_SDTR_SPEED1 0x0090 /* SDTR Speed for TID 0-3 */
+#define ASC_MC_SDTR_SPEED2 0x0092 /* SDTR Speed for TID 4-7 */
+#define ASC_MC_SDTR_SPEED3 0x0094 /* SDTR Speed for TID 8-11 */
+#define ASC_MC_SDTR_SPEED4 0x0096 /* SDTR Speed for TID 12-15 */
+#define ASC_MC_CHIP_TYPE 0x009A
+#define ASC_MC_INTRB_CODE 0x009B
+#define ASC_MC_WDTR_ABLE 0x009C
+#define ASC_MC_SDTR_ABLE 0x009E
+#define ASC_MC_TAGQNG_ABLE 0x00A0
+#define ASC_MC_DISC_ENABLE 0x00A2
+#define ASC_MC_IDLE_CMD_STATUS 0x00A4
+#define ASC_MC_IDLE_CMD 0x00A6
+#define ASC_MC_IDLE_CMD_PARAMETER 0x00A8
+#define ASC_MC_DEFAULT_SCSI_CFG0 0x00AC
+#define ASC_MC_DEFAULT_SCSI_CFG1 0x00AE
+#define ASC_MC_DEFAULT_MEM_CFG 0x00B0
+#define ASC_MC_DEFAULT_SEL_MASK 0x00B2
+#define ASC_MC_SDTR_DONE 0x00B6
+#define ASC_MC_NUMBER_OF_QUEUED_CMD 0x00C0
+#define ASC_MC_NUMBER_OF_MAX_CMD 0x00D0
+#define ASC_MC_DEVICE_HSHK_CFG_TABLE 0x0100
+#define ASC_MC_CONTROL_FLAG 0x0122 /* Microcode control flag. */
+#define ASC_MC_WDTR_DONE 0x0124
+#define ASC_MC_CAM_MODE_MASK 0x015E /* CAM mode TID bitmask. */
+#define ASC_MC_ICQ 0x0160
+#define ASC_MC_IRQ 0x0164
+#define ASC_MC_PPR_ABLE 0x017A
+
+/*
+ * BIOS LRAM variable absolute offsets.
+ */
+#define BIOS_CODESEG 0x54
+#define BIOS_CODELEN 0x56
+#define BIOS_SIGNATURE 0x58
+#define BIOS_VERSION 0x5A
+
+/*
+ * Microcode Control Flags
+ *
+ * Flags set by the Adv Library in RISC variable 'control_flag' (0x122)
+ * and handled by the microcode.
+ */
+#define CONTROL_FLAG_IGNORE_PERR 0x0001 /* Ignore DMA Parity Errors */
+#define CONTROL_FLAG_ENABLE_AIPP 0x0002 /* Enabled AIPP checking. */
+
+/*
+ * ASC_MC_DEVICE_HSHK_CFG_TABLE microcode table or HSHK_CFG register format
+ */
+#define HSHK_CFG_WIDE_XFR 0x8000
+#define HSHK_CFG_RATE 0x0F00
+#define HSHK_CFG_OFFSET 0x001F
+
+#define ASC_DEF_MAX_HOST_QNG 0xFD /* Max. number of host commands (253) */
+#define ASC_DEF_MIN_HOST_QNG 0x10 /* Min. number of host commands (16) */
+#define ASC_DEF_MAX_DVC_QNG 0x3F /* Max. number commands per device (63) */
+#define ASC_DEF_MIN_DVC_QNG 0x04 /* Min. number commands per device (4) */
+
+#define ASC_QC_DATA_CHECK 0x01 /* Require ASC_QC_DATA_OUT set or clear. */
+#define ASC_QC_DATA_OUT 0x02 /* Data out DMA transfer. */
+#define ASC_QC_START_MOTOR 0x04 /* Send auto-start motor before request. */
+#define ASC_QC_NO_OVERRUN 0x08 /* Don't report overrun. */
+#define ASC_QC_FREEZE_TIDQ 0x10 /* Freeze TID queue after request. XXX TBD */
+
+#define ASC_QSC_NO_DISC 0x01 /* Don't allow disconnect for request. */
+#define ASC_QSC_NO_TAGMSG 0x02 /* Don't allow tag queuing for request. */
+#define ASC_QSC_NO_SYNC 0x04 /* Don't use Synch. transfer on request. */
+#define ASC_QSC_NO_WIDE 0x08 /* Don't use Wide transfer on request. */
+#define ASC_QSC_REDO_DTR 0x10 /* Renegotiate WDTR/SDTR before request. */
+/*
+ * Note: If a Tag Message is to be sent and neither ASC_QSC_HEAD_TAG or
+ * ASC_QSC_ORDERED_TAG is set, then a Simple Tag Message (0x20) is used.
+ */
+#define ASC_QSC_HEAD_TAG 0x40 /* Use Head Tag Message (0x21). */
+#define ASC_QSC_ORDERED_TAG 0x80 /* Use Ordered Tag Message (0x22). */
+
+/*
+ * All fields here are accessed by the board microcode and need to be
+ * little-endian.
+ */
+typedef struct adv_carr_t {
+ ADV_VADDR carr_va; /* Carrier Virtual Address */
+ ADV_PADDR carr_pa; /* Carrier Physical Address */
+ ADV_VADDR areq_vpa; /* ASC_SCSI_REQ_Q Virtual or Physical Address */
+ /*
+ * next_vpa [31:4] Carrier Virtual or Physical Next Pointer
+ *
+ * next_vpa [3:1] Reserved Bits
+ * next_vpa [0] Done Flag set in Response Queue.
+ */
+ ADV_VADDR next_vpa;
+} ADV_CARR_T;
+
+/*
+ * Mask used to eliminate low 4 bits of carrier 'next_vpa' field.
+ */
+#define ASC_NEXT_VPA_MASK 0xFFFFFFF0
+
+#define ASC_RQ_DONE 0x00000001
+#define ASC_RQ_GOOD 0x00000002
+#define ASC_CQ_STOPPER 0x00000000
+
+#define ASC_GET_CARRP(carrp) ((carrp) & ASC_NEXT_VPA_MASK)
+
+#define ADV_CARRIER_NUM_PAGE_CROSSING \
+ (((ADV_CARRIER_COUNT * sizeof(ADV_CARR_T)) + (PAGE_SIZE - 1))/PAGE_SIZE)
+
+#define ADV_CARRIER_BUFSIZE \
+ ((ADV_CARRIER_COUNT + ADV_CARRIER_NUM_PAGE_CROSSING) * sizeof(ADV_CARR_T))
+
+/*
+ * ASC_SCSI_REQ_Q 'a_flag' definitions
+ *
+ * The Adv Library should limit use to the lower nibble (4 bits) of
+ * a_flag. Drivers are free to use the upper nibble (4 bits) of a_flag.
+ */
+#define ADV_POLL_REQUEST 0x01 /* poll for request completion */
+#define ADV_SCSIQ_DONE 0x02 /* request done */
+#define ADV_DONT_RETRY 0x08 /* don't do retry */
+
+#define ADV_CHIP_ASC3550 0x01 /* Ultra-Wide IC */
+#define ADV_CHIP_ASC38C0800 0x02 /* Ultra2-Wide/LVD IC */
+#define ADV_CHIP_ASC38C1600 0x03 /* Ultra3-Wide/LVD2 IC */
+
+/*
+ * Adapter temporary configuration structure
+ *
+ * This structure can be discarded after initialization. Don't add
+ * fields here needed after initialization.
+ *
+ * Field naming convention:
+ *
+ * *_enable indicates the field enables or disables a feature. The
+ * value of the field is never reset.
+ */
+typedef struct adv_dvc_cfg {
+ ushort disc_enable; /* enable disconnection */
+ uchar chip_version; /* chip version */
+ uchar termination; /* Term. Ctrl. bits 6-5 of SCSI_CFG1 register */
+ ushort control_flag; /* Microcode Control Flag */
+ ushort mcode_date; /* Microcode date */
+ ushort mcode_version; /* Microcode version */
+ ushort serial1; /* EEPROM serial number word 1 */
+ ushort serial2; /* EEPROM serial number word 2 */
+ ushort serial3; /* EEPROM serial number word 3 */
+} ADV_DVC_CFG;
+
+struct adv_dvc_var;
+struct adv_scsi_req_q;
+
+typedef struct asc_sg_block {
+ uchar reserved1;
+ uchar reserved2;
+ uchar reserved3;
+ uchar sg_cnt; /* Valid entries in block. */
+ ADV_PADDR sg_ptr; /* Pointer to next sg block. */
+ struct {
+ ADV_PADDR sg_addr; /* SG element address. */
+ ADV_DCNT sg_count; /* SG element count. */
+ } sg_list[NO_OF_SG_PER_BLOCK];
+} ADV_SG_BLOCK;
+
+/*
+ * ADV_SCSI_REQ_Q - microcode request structure
+ *
+ * All fields in this structure up to byte 60 are used by the microcode.
+ * The microcode makes assumptions about the size and ordering of fields
+ * in this structure. Do not change the structure definition here without
+ * coordinating the change with the microcode.
+ *
+ * All fields accessed by microcode must be maintained in little_endian
+ * order.
+ */
+typedef struct adv_scsi_req_q {
+ uchar cntl; /* Ucode flags and state (ASC_MC_QC_*). */
+ uchar target_cmd;
+ uchar target_id; /* Device target identifier. */
+ uchar target_lun; /* Device target logical unit number. */
+ ADV_PADDR data_addr; /* Data buffer physical address. */
+ ADV_DCNT data_cnt; /* Data count. Ucode sets to residual. */
+ ADV_PADDR sense_addr;
+ ADV_PADDR carr_pa;
+ uchar mflag;
+ uchar sense_len;
+ uchar cdb_len; /* SCSI CDB length. Must <= 16 bytes. */
+ uchar scsi_cntl;
+ uchar done_status; /* Completion status. */
+ uchar scsi_status; /* SCSI status byte. */
+ uchar host_status; /* Ucode host status. */
+ uchar sg_working_ix;
+ uchar cdb[12]; /* SCSI CDB bytes 0-11. */
+ ADV_PADDR sg_real_addr; /* SG list physical address. */
+ ADV_PADDR scsiq_rptr;
+ uchar cdb16[4]; /* SCSI CDB bytes 12-15. */
+ ADV_VADDR scsiq_ptr;
+ ADV_VADDR carr_va;
+ /*
+ * End of microcode structure - 60 bytes. The rest of the structure
+ * is used by the Adv Library and ignored by the microcode.
+ */
+ ADV_VADDR srb_ptr;
+ ADV_SG_BLOCK *sg_list_ptr; /* SG list virtual address. */
+ char *vdata_addr; /* Data buffer virtual address. */
+ uchar a_flag;
+ uchar pad[2]; /* Pad out to a word boundary. */
+} ADV_SCSI_REQ_Q;
+
+/*
+ * The following two structures are used to process Wide Board requests.
+ *
+ * The ADV_SCSI_REQ_Q structure in adv_req_t is passed to the Adv Library
+ * and microcode with the ADV_SCSI_REQ_Q field 'srb_ptr' pointing to the
+ * adv_req_t. The adv_req_t structure 'cmndp' field in turn points to the
+ * Mid-Level SCSI request structure.
+ *
+ * Zero or more ADV_SG_BLOCK are used with each ADV_SCSI_REQ_Q. Each
+ * ADV_SG_BLOCK structure holds 15 scatter-gather elements. Under Linux
+ * up to 255 scatter-gather elements may be used per request or
+ * ADV_SCSI_REQ_Q.
+ *
+ * Both structures must be 32 byte aligned.
+ */
+typedef struct adv_sgblk {
+ ADV_SG_BLOCK sg_block; /* Sgblock structure. */
+ uchar align[32]; /* Sgblock structure padding. */
+ struct adv_sgblk *next_sgblkp; /* Next scatter-gather structure. */
+} adv_sgblk_t;
+
+typedef struct adv_req {
+ ADV_SCSI_REQ_Q scsi_req_q; /* Adv Library request structure. */
+ uchar align[32]; /* Request structure padding. */
+ struct scsi_cmnd *cmndp; /* Mid-Level SCSI command pointer. */
+ adv_sgblk_t *sgblkp; /* Adv Library scatter-gather pointer. */
+ struct adv_req *next_reqp; /* Next Request Structure. */
+} adv_req_t;
+
+/*
+ * Adapter operation variable structure.
+ *
+ * One structure is required per host adapter.
+ *
+ * Field naming convention:
+ *
+ * *_able indicates both whether a feature should be enabled or disabled
+ * and whether a device isi capable of the feature. At initialization
+ * this field may be set, but later if a device is found to be incapable
+ * of the feature, the field is cleared.
+ */
+typedef struct adv_dvc_var {
+ AdvPortAddr iop_base; /* I/O port address */
+ ushort err_code; /* fatal error code */
+ ushort bios_ctrl; /* BIOS control word, EEPROM word 12 */
+ ushort wdtr_able; /* try WDTR for a device */
+ ushort sdtr_able; /* try SDTR for a device */
+ ushort ultra_able; /* try SDTR Ultra speed for a device */
+ ushort sdtr_speed1; /* EEPROM SDTR Speed for TID 0-3 */
+ ushort sdtr_speed2; /* EEPROM SDTR Speed for TID 4-7 */
+ ushort sdtr_speed3; /* EEPROM SDTR Speed for TID 8-11 */
+ ushort sdtr_speed4; /* EEPROM SDTR Speed for TID 12-15 */
+ ushort tagqng_able; /* try tagged queuing with a device */
+ ushort ppr_able; /* PPR message capable per TID bitmask. */
+ uchar max_dvc_qng; /* maximum number of tagged commands per device */
+ ushort start_motor; /* start motor command allowed */
+ uchar scsi_reset_wait; /* delay in seconds after scsi bus reset */
+ uchar chip_no; /* should be assigned by caller */
+ uchar max_host_qng; /* maximum number of Q'ed command allowed */
+ ushort no_scam; /* scam_tolerant of EEPROM */
+ struct asc_board *drv_ptr; /* driver pointer to private structure */
+ uchar chip_scsi_id; /* chip SCSI target ID */
+ uchar chip_type;
+ uchar bist_err_code;
+ ADV_CARR_T *carrier_buf;
+ ADV_CARR_T *carr_freelist; /* Carrier free list. */
+ ADV_CARR_T *icq_sp; /* Initiator command queue stopper pointer. */
+ ADV_CARR_T *irq_sp; /* Initiator response queue stopper pointer. */
+ ushort carr_pending_cnt; /* Count of pending carriers. */
+ struct adv_req *orig_reqp; /* adv_req_t memory block. */
+ /*
+ * Note: The following fields will not be used after initialization. The
+ * driver may discard the buffer after initialization is done.
+ */
+ ADV_DVC_CFG *cfg; /* temporary configuration structure */
+} ADV_DVC_VAR;
+
+/*
+ * Microcode idle loop commands
+ */
+#define IDLE_CMD_COMPLETED 0
+#define IDLE_CMD_STOP_CHIP 0x0001
+#define IDLE_CMD_STOP_CHIP_SEND_INT 0x0002
+#define IDLE_CMD_SEND_INT 0x0004
+#define IDLE_CMD_ABORT 0x0008
+#define IDLE_CMD_DEVICE_RESET 0x0010
+#define IDLE_CMD_SCSI_RESET_START 0x0020 /* Assert SCSI Bus Reset */
+#define IDLE_CMD_SCSI_RESET_END 0x0040 /* Deassert SCSI Bus Reset */
+#define IDLE_CMD_SCSIREQ 0x0080
+
+#define IDLE_CMD_STATUS_SUCCESS 0x0001
+#define IDLE_CMD_STATUS_FAILURE 0x0002
+
+/*
+ * AdvSendIdleCmd() flag definitions.
+ */
+#define ADV_NOWAIT 0x01
+
+/*
+ * Wait loop time out values.
+ */
+#define SCSI_WAIT_100_MSEC 100UL /* 100 milliseconds */
+#define SCSI_US_PER_MSEC 1000 /* microseconds per millisecond */
+#define SCSI_MAX_RETRY 10 /* retry count */
+
+#define ADV_ASYNC_RDMA_FAILURE 0x01 /* Fatal RDMA failure. */
+#define ADV_ASYNC_SCSI_BUS_RESET_DET 0x02 /* Detected SCSI Bus Reset. */
+#define ADV_ASYNC_CARRIER_READY_FAILURE 0x03 /* Carrier Ready failure. */
+#define ADV_RDMA_IN_CARR_AND_Q_INVALID 0x04 /* RDMAed-in data invalid. */
+
+#define ADV_HOST_SCSI_BUS_RESET 0x80 /* Host Initiated SCSI Bus Reset. */
+
+/* Read byte from a register. */
+#define AdvReadByteRegister(iop_base, reg_off) \
+ (ADV_MEM_READB((iop_base) + (reg_off)))
+
+/* Write byte to a register. */
+#define AdvWriteByteRegister(iop_base, reg_off, byte) \
+ (ADV_MEM_WRITEB((iop_base) + (reg_off), (byte)))
+
+/* Read word (2 bytes) from a register. */
+#define AdvReadWordRegister(iop_base, reg_off) \
+ (ADV_MEM_READW((iop_base) + (reg_off)))
+
+/* Write word (2 bytes) to a register. */
+#define AdvWriteWordRegister(iop_base, reg_off, word) \
+ (ADV_MEM_WRITEW((iop_base) + (reg_off), (word)))
+
+/* Write dword (4 bytes) to a register. */
+#define AdvWriteDWordRegister(iop_base, reg_off, dword) \
+ (ADV_MEM_WRITEDW((iop_base) + (reg_off), (dword)))
+
+/* Read byte from LRAM. */
+#define AdvReadByteLram(iop_base, addr, byte) \
+do { \
+ ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
+ (byte) = ADV_MEM_READB((iop_base) + IOPB_RAM_DATA); \
+} while (0)
+
+/* Write byte to LRAM. */
+#define AdvWriteByteLram(iop_base, addr, byte) \
+ (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
+ ADV_MEM_WRITEB((iop_base) + IOPB_RAM_DATA, (byte)))
+
+/* Read word (2 bytes) from LRAM. */
+#define AdvReadWordLram(iop_base, addr, word) \
+do { \
+ ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
+ (word) = (ADV_MEM_READW((iop_base) + IOPW_RAM_DATA)); \
+} while (0)
+
+/* Write word (2 bytes) to LRAM. */
+#define AdvWriteWordLram(iop_base, addr, word) \
+ (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
+ ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))
+
+/* Write little-endian double word (4 bytes) to LRAM */
+/* Because of unspecified C language ordering don't use auto-increment. */
+#define AdvWriteDWordLramNoSwap(iop_base, addr, dword) \
+ ((ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
+ ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
+ cpu_to_le16((ushort) ((dword) & 0xFFFF)))), \
+ (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr) + 2), \
+ ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
+ cpu_to_le16((ushort) ((dword >> 16) & 0xFFFF)))))
+
+/* Read word (2 bytes) from LRAM assuming that the address is already set. */
+#define AdvReadWordAutoIncLram(iop_base) \
+ (ADV_MEM_READW((iop_base) + IOPW_RAM_DATA))
+
+/* Write word (2 bytes) to LRAM assuming that the address is already set. */
+#define AdvWriteWordAutoIncLram(iop_base, word) \
+ (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))
+
+/*
+ * Define macro to check for Condor signature.
+ *
+ * Evaluate to ADV_TRUE if a Condor chip is found the specified port
+ * address 'iop_base'. Otherwise evalue to ADV_FALSE.
+ */
+#define AdvFindSignature(iop_base) \
+ (((AdvReadByteRegister((iop_base), IOPB_CHIP_ID_1) == \
+ ADV_CHIP_ID_BYTE) && \
+ (AdvReadWordRegister((iop_base), IOPW_CHIP_ID_0) == \
+ ADV_CHIP_ID_WORD)) ? ADV_TRUE : ADV_FALSE)
+
+/*
+ * Define macro to Return the version number of the chip at 'iop_base'.
+ *
+ * The second parameter 'bus_type' is currently unused.
+ */
+#define AdvGetChipVersion(iop_base, bus_type) \
+ AdvReadByteRegister((iop_base), IOPB_CHIP_TYPE_REV)
+
+/*
+ * Abort an SRB in the chip's RISC Memory. The 'srb_ptr' argument must
+ * match the ASC_SCSI_REQ_Q 'srb_ptr' field.
+ *
+ * If the request has not yet been sent to the device it will simply be
+ * aborted from RISC memory. If the request is disconnected it will be
+ * aborted on reselection by sending an Abort Message to the target ID.
+ *
+ * Return value:
+ * ADV_TRUE(1) - Queue was successfully aborted.
+ * ADV_FALSE(0) - Queue was not found on the active queue list.
+ */
+#define AdvAbortQueue(asc_dvc, scsiq) \
+ AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_ABORT, \
+ (ADV_DCNT) (scsiq))
+
+/*
+ * Send a Bus Device Reset Message to the specified target ID.
+ *
+ * All outstanding commands will be purged if sending the
+ * Bus Device Reset Message is successful.
+ *
+ * Return Value:
+ * ADV_TRUE(1) - All requests on the target are purged.
+ * ADV_FALSE(0) - Couldn't issue Bus Device Reset Message; Requests
+ * are not purged.
+ */
+#define AdvResetDevice(asc_dvc, target_id) \
+ AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_DEVICE_RESET, \
+ (ADV_DCNT) (target_id))
+
+/*
+ * SCSI Wide Type definition.
+ */
+#define ADV_SCSI_BIT_ID_TYPE ushort
+
+/*
+ * AdvInitScsiTarget() 'cntl_flag' options.
+ */
+#define ADV_SCAN_LUN 0x01
+#define ADV_CAPINFO_NOLUN 0x02
+
+/*
+ * Convert target id to target id bit mask.
+ */
+#define ADV_TID_TO_TIDMASK(tid) (0x01 << ((tid) & ADV_MAX_TID))
+
+/*
+ * ASC_SCSI_REQ_Q 'done_status' and 'host_status' return values.
+ */
+
+#define QD_NO_STATUS 0x00 /* Request not completed yet. */
+#define QD_NO_ERROR 0x01
+#define QD_ABORTED_BY_HOST 0x02
+#define QD_WITH_ERROR 0x04
+
+#define QHSTA_NO_ERROR 0x00
+#define QHSTA_M_SEL_TIMEOUT 0x11
+#define QHSTA_M_DATA_OVER_RUN 0x12
+#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13
+#define QHSTA_M_QUEUE_ABORTED 0x15
+#define QHSTA_M_SXFR_SDMA_ERR 0x16 /* SXFR_STATUS SCSI DMA Error */
+#define QHSTA_M_SXFR_SXFR_PERR 0x17 /* SXFR_STATUS SCSI Bus Parity Error */
+#define QHSTA_M_RDMA_PERR 0x18 /* RISC PCI DMA parity error */
+#define QHSTA_M_SXFR_OFF_UFLW 0x19 /* SXFR_STATUS Offset Underflow */
+#define QHSTA_M_SXFR_OFF_OFLW 0x20 /* SXFR_STATUS Offset Overflow */
+#define QHSTA_M_SXFR_WD_TMO 0x21 /* SXFR_STATUS Watchdog Timeout */
+#define QHSTA_M_SXFR_DESELECTED 0x22 /* SXFR_STATUS Deselected */
+/* Note: QHSTA_M_SXFR_XFR_OFLW is identical to QHSTA_M_DATA_OVER_RUN. */
+#define QHSTA_M_SXFR_XFR_OFLW 0x12 /* SXFR_STATUS Transfer Overflow */
+#define QHSTA_M_SXFR_XFR_PH_ERR 0x24 /* SXFR_STATUS Transfer Phase Error */
+#define QHSTA_M_SXFR_UNKNOWN_ERROR 0x25 /* SXFR_STATUS Unknown Error */
+#define QHSTA_M_SCSI_BUS_RESET 0x30 /* Request aborted from SBR */
+#define QHSTA_M_SCSI_BUS_RESET_UNSOL 0x31 /* Request aborted from unsol. SBR */
+#define QHSTA_M_BUS_DEVICE_RESET 0x32 /* Request aborted from BDR */
+#define QHSTA_M_DIRECTION_ERR 0x35 /* Data Phase mismatch */
+#define QHSTA_M_DIRECTION_ERR_HUNG 0x36 /* Data Phase mismatch and bus hang */
+#define QHSTA_M_WTM_TIMEOUT 0x41
+#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42
+#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43
+#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
+#define QHSTA_M_INVALID_DEVICE 0x45 /* Bad target ID */
+#define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */
+#define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */
+
+/* Return the address that is aligned at the next doubleword >= to 'addr'. */
+#define ADV_8BALIGN(addr) (((ulong) (addr) + 0x7) & ~0x7)
+#define ADV_16BALIGN(addr) (((ulong) (addr) + 0xF) & ~0xF)
+#define ADV_32BALIGN(addr) (((ulong) (addr) + 0x1F) & ~0x1F)
+
+/*
+ * Total contiguous memory needed for driver SG blocks.
+ *
+ * ADV_MAX_SG_LIST must be defined by a driver. It is the maximum
+ * number of scatter-gather elements the driver supports in a
+ * single request.
+ */
+
+#define ADV_SG_LIST_MAX_BYTE_SIZE \
+ (sizeof(ADV_SG_BLOCK) * \
+ ((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK))
+
+/* struct asc_board flags */
+#define ASC_IS_WIDE_BOARD 0x04 /* AdvanSys Wide Board */
+
+#define ASC_NARROW_BOARD(boardp) (((boardp)->flags & ASC_IS_WIDE_BOARD) == 0)
+
+#define NO_ISA_DMA 0xff /* No ISA DMA Channel Used */
+
+#define ASC_INFO_SIZE 128 /* advansys_info() line size */
+
+/* Asc Library return codes */
+#define ASC_TRUE 1
+#define ASC_FALSE 0
+#define ASC_NOERROR 1
+#define ASC_BUSY 0
+#define ASC_ERROR (-1)
+
+/* struct scsi_cmnd function return codes */
+#define STATUS_BYTE(byte) (byte)
+#define MSG_BYTE(byte) ((byte) << 8)
+#define HOST_BYTE(byte) ((byte) << 16)
+#define DRIVER_BYTE(byte) ((byte) << 24)
+
+#define ASC_STATS(shost, counter) ASC_STATS_ADD(shost, counter, 1)
+#ifndef ADVANSYS_STATS
+#define ASC_STATS_ADD(shost, counter, count)
+#else /* ADVANSYS_STATS */
+#define ASC_STATS_ADD(shost, counter, count) \
+ (((struct asc_board *) shost_priv(shost))->asc_stats.counter += (count))
+#endif /* ADVANSYS_STATS */
+
+/* If the result wraps when calculating tenths, return 0. */
+#define ASC_TENTHS(num, den) \
+ (((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \
+ 0 : ((((num) * 10)/(den)) - (10 * ((num)/(den)))))
+
+/*
+ * Display a message to the console.
+ */
+#define ASC_PRINT(s) \
+ { \
+ printk("advansys: "); \
+ printk(s); \
+ }
+
+#define ASC_PRINT1(s, a1) \
+ { \
+ printk("advansys: "); \
+ printk((s), (a1)); \
+ }
+
+#define ASC_PRINT2(s, a1, a2) \
+ { \
+ printk("advansys: "); \
+ printk((s), (a1), (a2)); \
+ }
+
+#define ASC_PRINT3(s, a1, a2, a3) \
+ { \
+ printk("advansys: "); \
+ printk((s), (a1), (a2), (a3)); \
+ }
+
+#define ASC_PRINT4(s, a1, a2, a3, a4) \
+ { \
+ printk("advansys: "); \
+ printk((s), (a1), (a2), (a3), (a4)); \
+ }
+
+#ifndef ADVANSYS_DEBUG
+
+#define ASC_DBG(lvl, s...)
+#define ASC_DBG_PRT_SCSI_HOST(lvl, s)
+#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp)
+#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
+#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone)
+#define ADV_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
+#define ASC_DBG_PRT_HEX(lvl, name, start, length)
+#define ASC_DBG_PRT_CDB(lvl, cdb, len)
+#define ASC_DBG_PRT_SENSE(lvl, sense, len)
+#define ASC_DBG_PRT_INQUIRY(lvl, inq, len)
+
+#else /* ADVANSYS_DEBUG */
+
+/*
+ * Debugging Message Levels:
+ * 0: Errors Only
+ * 1: High-Level Tracing
+ * 2-N: Verbose Tracing
+ */
+
+#define ASC_DBG(lvl, format, arg...) { \
+ if (asc_dbglvl >= (lvl)) \
+ printk(KERN_DEBUG "%s: %s: " format, DRV_NAME, \
+ __func__ , ## arg); \
+}
+
+#define ASC_DBG_PRT_SCSI_HOST(lvl, s) \
+ { \
+ if (asc_dbglvl >= (lvl)) { \
+ asc_prt_scsi_host(s); \
+ } \
+ }
+
+#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) \
+ { \
+ if (asc_dbglvl >= (lvl)) { \
+ asc_prt_asc_scsi_q(scsiqp); \
+ } \
+ }
+
+#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone) \
+ { \
+ if (asc_dbglvl >= (lvl)) { \
+ asc_prt_asc_qdone_info(qdone); \
+ } \
+ }
+
+#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) \
+ { \
+ if (asc_dbglvl >= (lvl)) { \
+ asc_prt_adv_scsi_req_q(scsiqp); \
+ } \
+ }
+
+#define ASC_DBG_PRT_HEX(lvl, name, start, length) \
+ { \
+ if (asc_dbglvl >= (lvl)) { \
+ asc_prt_hex((name), (start), (length)); \
+ } \
+ }
+
+#define ASC_DBG_PRT_CDB(lvl, cdb, len) \
+ ASC_DBG_PRT_HEX((lvl), "CDB", (uchar *) (cdb), (len));
+
+#define ASC_DBG_PRT_SENSE(lvl, sense, len) \
+ ASC_DBG_PRT_HEX((lvl), "SENSE", (uchar *) (sense), (len));
+
+#define ASC_DBG_PRT_INQUIRY(lvl, inq, len) \
+ ASC_DBG_PRT_HEX((lvl), "INQUIRY", (uchar *) (inq), (len));
+#endif /* ADVANSYS_DEBUG */
+
+#ifdef ADVANSYS_STATS
+
+/* Per board statistics structure */
+struct asc_stats {
+ /* Driver Entrypoint Statistics */
+ ADV_DCNT queuecommand; /* # calls to advansys_queuecommand() */
+ ADV_DCNT reset; /* # calls to advansys_eh_bus_reset() */
+ ADV_DCNT biosparam; /* # calls to advansys_biosparam() */
+ ADV_DCNT interrupt; /* # advansys_interrupt() calls */
+ ADV_DCNT callback; /* # calls to asc/adv_isr_callback() */
+ ADV_DCNT done; /* # calls to request's scsi_done function */
+ ADV_DCNT build_error; /* # asc/adv_build_req() ASC_ERROR returns. */
+ ADV_DCNT adv_build_noreq; /* # adv_build_req() adv_req_t alloc. fail. */
+ ADV_DCNT adv_build_nosg; /* # adv_build_req() adv_sgblk_t alloc. fail. */
+ /* AscExeScsiQueue()/AdvExeScsiQueue() Statistics */
+ ADV_DCNT exe_noerror; /* # ASC_NOERROR returns. */
+ ADV_DCNT exe_busy; /* # ASC_BUSY returns. */
+ ADV_DCNT exe_error; /* # ASC_ERROR returns. */
+ ADV_DCNT exe_unknown; /* # unknown returns. */
+ /* Data Transfer Statistics */
+ ADV_DCNT xfer_cnt; /* # I/O requests received */
+ ADV_DCNT xfer_elem; /* # scatter-gather elements */
+ ADV_DCNT xfer_sect; /* # 512-byte blocks */
+};
+#endif /* ADVANSYS_STATS */
+
+/*
+ * Structure allocated for each board.
+ *
+ * This structure is allocated by scsi_host_alloc() at the end
+ * of the 'Scsi_Host' structure starting at the 'hostdata'
+ * field. It is guaranteed to be allocated from DMA-able memory.
+ */
+struct asc_board {
+ struct device *dev;
+ uint flags; /* Board flags */
+ unsigned int irq;
+ union {
+ ASC_DVC_VAR asc_dvc_var; /* Narrow board */
+ ADV_DVC_VAR adv_dvc_var; /* Wide board */
+ } dvc_var;
+ union {
+ ASC_DVC_CFG asc_dvc_cfg; /* Narrow board */
+ ADV_DVC_CFG adv_dvc_cfg; /* Wide board */
+ } dvc_cfg;
+ ushort asc_n_io_port; /* Number I/O ports. */
+ ADV_SCSI_BIT_ID_TYPE init_tidmask; /* Target init./valid mask */
+ ushort reqcnt[ADV_MAX_TID + 1]; /* Starvation request count */
+ ADV_SCSI_BIT_ID_TYPE queue_full; /* Queue full mask */
+ ushort queue_full_cnt[ADV_MAX_TID + 1]; /* Queue full count */
+ union {
+ ASCEEP_CONFIG asc_eep; /* Narrow EEPROM config. */
+ ADVEEP_3550_CONFIG adv_3550_eep; /* 3550 EEPROM config. */
+ ADVEEP_38C0800_CONFIG adv_38C0800_eep; /* 38C0800 EEPROM config. */
+ ADVEEP_38C1600_CONFIG adv_38C1600_eep; /* 38C1600 EEPROM config. */
+ } eep_config;
+ ulong last_reset; /* Saved last reset time */
+ /* /proc/scsi/advansys/[0...] */
+#ifdef ADVANSYS_STATS
+ struct asc_stats asc_stats; /* Board statistics */
+#endif /* ADVANSYS_STATS */
+ /*
+ * The following fields are used only for Narrow Boards.
+ */
+ uchar sdtr_data[ASC_MAX_TID + 1]; /* SDTR information */
+ /*
+ * The following fields are used only for Wide Boards.
+ */
+ void __iomem *ioremap_addr; /* I/O Memory remap address. */
+ ushort ioport; /* I/O Port address. */
+ adv_req_t *adv_reqp; /* Request structures. */
+ adv_sgblk_t *adv_sgblkp; /* Scatter-gather structures. */
+ ushort bios_signature; /* BIOS Signature. */
+ ushort bios_version; /* BIOS Version. */
+ ushort bios_codeseg; /* BIOS Code Segment. */
+ ushort bios_codelen; /* BIOS Code Segment Length. */
+};
+
+#define asc_dvc_to_board(asc_dvc) container_of(asc_dvc, struct asc_board, \
+ dvc_var.asc_dvc_var)
+#define adv_dvc_to_board(adv_dvc) container_of(adv_dvc, struct asc_board, \
+ dvc_var.adv_dvc_var)
+#define adv_dvc_to_pdev(adv_dvc) to_pci_dev(adv_dvc_to_board(adv_dvc)->dev)
+
+#ifdef ADVANSYS_DEBUG
+static int asc_dbglvl = 3;
+
+/*
+ * asc_prt_asc_dvc_var()
+ */
+static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h)
+{
+ printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h);
+
+ printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl "
+ "%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl);
+
+ printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type,
+ (unsigned)h->init_sdtr);
+
+ printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, "
+ "chip_no 0x%x,\n", (unsigned)h->sdtr_done,
+ (unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready,
+ (unsigned)h->chip_no);
+
+ printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait "
+ "%u,\n", (unsigned)h->queue_full_or_busy,
+ (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
+
+ printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, "
+ "in_critical_cnt %u,\n", (unsigned)h->is_in_int,
+ (unsigned)h->max_total_qng, (unsigned)h->cur_total_qng,
+ (unsigned)h->in_critical_cnt);
+
+ printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, "
+ "pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage,
+ (unsigned)h->init_state, (unsigned)h->no_scam,
+ (unsigned)h->pci_fix_asyn_xfer);
+
+ printk(" cfg 0x%lx\n", (ulong)h->cfg);
+}
+
+/*
+ * asc_prt_asc_dvc_cfg()
+ */
+static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h)
+{
+ printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h);
+
+ printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n",
+ h->can_tagged_qng, h->cmd_qng_enabled);
+ printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n",
+ h->disc_enable, h->sdtr_enable);
+
+ printk(" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, "
+ "chip_version %d,\n", h->chip_scsi_id, h->isa_dma_speed,
+ h->isa_dma_channel, h->chip_version);
+
+ printk(" mcode_date 0x%x, mcode_version %d\n",
+ h->mcode_date, h->mcode_version);
+}
+
+/*
+ * asc_prt_adv_dvc_var()
+ *
+ * Display an ADV_DVC_VAR structure.
+ */
+static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h)
+{
+ printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h);
+
+ printk(" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n",
+ (ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able);
+
+ printk(" sdtr_able 0x%x, wdtr_able 0x%x\n",
+ (unsigned)h->sdtr_able, (unsigned)h->wdtr_able);
+
+ printk(" start_motor 0x%x, scsi_reset_wait 0x%x\n",
+ (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
+
+ printk(" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%lxn\n",
+ (unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng,
+ (ulong)h->carr_freelist);
+
+ printk(" icq_sp 0x%lx, irq_sp 0x%lx\n",
+ (ulong)h->icq_sp, (ulong)h->irq_sp);
+
+ printk(" no_scam 0x%x, tagqng_able 0x%x\n",
+ (unsigned)h->no_scam, (unsigned)h->tagqng_able);
+
+ printk(" chip_scsi_id 0x%x, cfg 0x%lx\n",
+ (unsigned)h->chip_scsi_id, (ulong)h->cfg);
+}
+
+/*
+ * asc_prt_adv_dvc_cfg()
+ *
+ * Display an ADV_DVC_CFG structure.
+ */
+static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h)
+{
+ printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h);
+
+ printk(" disc_enable 0x%x, termination 0x%x\n",
+ h->disc_enable, h->termination);
+
+ printk(" chip_version 0x%x, mcode_date 0x%x\n",
+ h->chip_version, h->mcode_date);
+
+ printk(" mcode_version 0x%x, control_flag 0x%x\n",
+ h->mcode_version, h->control_flag);
+}
+
+/*
+ * asc_prt_scsi_host()
+ */
+static void asc_prt_scsi_host(struct Scsi_Host *s)
+{
+ struct asc_board *boardp = shost_priv(s);
+
+ printk("Scsi_Host at addr 0x%p, device %s\n", s, dev_name(boardp->dev));
+ printk(" host_busy %u, host_no %d,\n",
+ atomic_read(&s->host_busy), s->host_no);
+
+ printk(" base 0x%lx, io_port 0x%lx, irq %d,\n",
+ (ulong)s->base, (ulong)s->io_port, boardp->irq);
+
+ printk(" dma_channel %d, this_id %d, can_queue %d,\n",
+ s->dma_channel, s->this_id, s->can_queue);
+
+ printk(" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n",
+ s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma);
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ asc_prt_asc_dvc_var(&boardp->dvc_var.asc_dvc_var);
+ asc_prt_asc_dvc_cfg(&boardp->dvc_cfg.asc_dvc_cfg);
+ } else {
+ asc_prt_adv_dvc_var(&boardp->dvc_var.adv_dvc_var);
+ asc_prt_adv_dvc_cfg(&boardp->dvc_cfg.adv_dvc_cfg);
+ }
+}
+
+/*
+ * asc_prt_hex()
+ *
+ * Print hexadecimal output in 4 byte groupings 32 bytes
+ * or 8 double-words per line.
+ */
+static void asc_prt_hex(char *f, uchar *s, int l)
+{
+ int i;
+ int j;
+ int k;
+ int m;
+
+ printk("%s: (%d bytes)\n", f, l);
+
+ for (i = 0; i < l; i += 32) {
+
+ /* Display a maximum of 8 double-words per line. */
+ if ((k = (l - i) / 4) >= 8) {
+ k = 8;
+ m = 0;
+ } else {
+ m = (l - i) % 4;
+ }
+
+ for (j = 0; j < k; j++) {
+ printk(" %2.2X%2.2X%2.2X%2.2X",
+ (unsigned)s[i + (j * 4)],
+ (unsigned)s[i + (j * 4) + 1],
+ (unsigned)s[i + (j * 4) + 2],
+ (unsigned)s[i + (j * 4) + 3]);
+ }
+
+ switch (m) {
+ case 0:
+ default:
+ break;
+ case 1:
+ printk(" %2.2X", (unsigned)s[i + (j * 4)]);
+ break;
+ case 2:
+ printk(" %2.2X%2.2X",
+ (unsigned)s[i + (j * 4)],
+ (unsigned)s[i + (j * 4) + 1]);
+ break;
+ case 3:
+ printk(" %2.2X%2.2X%2.2X",
+ (unsigned)s[i + (j * 4) + 1],
+ (unsigned)s[i + (j * 4) + 2],
+ (unsigned)s[i + (j * 4) + 3]);
+ break;
+ }
+
+ printk("\n");
+ }
+}
+
+/*
+ * asc_prt_asc_scsi_q()
+ */
+static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q)
+{
+ ASC_SG_HEAD *sgp;
+ int i;
+
+ printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q);
+
+ printk
+ (" target_ix 0x%x, target_lun %u, srb_ptr 0x%lx, tag_code 0x%x,\n",
+ q->q2.target_ix, q->q1.target_lun, (ulong)q->q2.srb_ptr,
+ q->q2.tag_code);
+
+ printk
+ (" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
+ (ulong)le32_to_cpu(q->q1.data_addr),
+ (ulong)le32_to_cpu(q->q1.data_cnt),
+ (ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len);
+
+ printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n",
+ (ulong)q->cdbptr, q->q2.cdb_len,
+ (ulong)q->sg_head, q->q1.sg_queue_cnt);
+
+ if (q->sg_head) {
+ sgp = q->sg_head;
+ printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp);
+ printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt,
+ sgp->queue_cnt);
+ for (i = 0; i < sgp->entry_cnt; i++) {
+ printk(" [%u]: addr 0x%lx, bytes %lu\n",
+ i, (ulong)le32_to_cpu(sgp->sg_list[i].addr),
+ (ulong)le32_to_cpu(sgp->sg_list[i].bytes));
+ }
+
+ }
+}
+
+/*
+ * asc_prt_asc_qdone_info()
+ */
+static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q)
+{
+ printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q);
+ printk(" srb_ptr 0x%lx, target_ix %u, cdb_len %u, tag_code %u,\n",
+ (ulong)q->d2.srb_ptr, q->d2.target_ix, q->d2.cdb_len,
+ q->d2.tag_code);
+ printk
+ (" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n",
+ q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg);
+}
+
+/*
+ * asc_prt_adv_sgblock()
+ *
+ * Display an ADV_SG_BLOCK structure.
+ */
+static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b)
+{
+ int i;
+
+ printk(" ASC_SG_BLOCK at addr 0x%lx (sgblockno %d)\n",
+ (ulong)b, sgblockno);
+ printk(" sg_cnt %u, sg_ptr 0x%lx\n",
+ b->sg_cnt, (ulong)le32_to_cpu(b->sg_ptr));
+ BUG_ON(b->sg_cnt > NO_OF_SG_PER_BLOCK);
+ if (b->sg_ptr != 0)
+ BUG_ON(b->sg_cnt != NO_OF_SG_PER_BLOCK);
+ for (i = 0; i < b->sg_cnt; i++) {
+ printk(" [%u]: sg_addr 0x%lx, sg_count 0x%lx\n",
+ i, (ulong)b->sg_list[i].sg_addr,
+ (ulong)b->sg_list[i].sg_count);
+ }
+}
+
+/*
+ * asc_prt_adv_scsi_req_q()
+ *
+ * Display an ADV_SCSI_REQ_Q structure.
+ */
+static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q)
+{
+ int sg_blk_cnt;
+ struct asc_sg_block *sg_ptr;
+
+ printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q);
+
+ printk(" target_id %u, target_lun %u, srb_ptr 0x%lx, a_flag 0x%x\n",
+ q->target_id, q->target_lun, (ulong)q->srb_ptr, q->a_flag);
+
+ printk(" cntl 0x%x, data_addr 0x%lx, vdata_addr 0x%lx\n",
+ q->cntl, (ulong)le32_to_cpu(q->data_addr), (ulong)q->vdata_addr);
+
+ printk(" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
+ (ulong)le32_to_cpu(q->data_cnt),
+ (ulong)le32_to_cpu(q->sense_addr), q->sense_len);
+
+ printk
+ (" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n",
+ q->cdb_len, q->done_status, q->host_status, q->scsi_status);
+
+ printk(" sg_working_ix 0x%x, target_cmd %u\n",
+ q->sg_working_ix, q->target_cmd);
+
+ printk(" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n",
+ (ulong)le32_to_cpu(q->scsiq_rptr),
+ (ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr);
+
+ /* Display the request's ADV_SG_BLOCK structures. */
+ if (q->sg_list_ptr != NULL) {
+ sg_blk_cnt = 0;
+ while (1) {
+ /*
+ * 'sg_ptr' is a physical address. Convert it to a virtual
+ * address by indexing 'sg_blk_cnt' into the virtual address
+ * array 'sg_list_ptr'.
+ *
+ * XXX - Assumes all SG physical blocks are virtually contiguous.
+ */
+ sg_ptr =
+ &(((ADV_SG_BLOCK *)(q->sg_list_ptr))[sg_blk_cnt]);
+ asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr);
+ if (sg_ptr->sg_ptr == 0) {
+ break;
+ }
+ sg_blk_cnt++;
+ }
+ }
+}
+#endif /* ADVANSYS_DEBUG */
+
+/*
+ * The advansys chip/microcode contains a 32-bit identifier for each command
+ * known as the 'srb'. I don't know what it stands for. The driver used
+ * to encode the scsi_cmnd pointer by calling virt_to_bus and retrieve it
+ * with bus_to_virt. Now the driver keeps a per-host map of integers to
+ * pointers. It auto-expands when full, unless it can't allocate memory.
+ * Note that an srb of 0 is treated specially by the chip/firmware, hence
+ * the return of i+1 in this routine, and the corresponding subtraction in
+ * the inverse routine.
+ */
+#define BAD_SRB 0
+static u32 advansys_ptr_to_srb(struct asc_dvc_var *asc_dvc, void *ptr)
+{
+ int i;
+ void **new_ptr;
+
+ for (i = 0; i < asc_dvc->ptr_map_count; i++) {
+ if (!asc_dvc->ptr_map[i])
+ goto out;
+ }
+
+ if (asc_dvc->ptr_map_count == 0)
+ asc_dvc->ptr_map_count = 1;
+ else
+ asc_dvc->ptr_map_count *= 2;
+
+ new_ptr = krealloc(asc_dvc->ptr_map,
+ asc_dvc->ptr_map_count * sizeof(void *), GFP_ATOMIC);
+ if (!new_ptr)
+ return BAD_SRB;
+ asc_dvc->ptr_map = new_ptr;
+ out:
+ ASC_DBG(3, "Putting ptr %p into array offset %d\n", ptr, i);
+ asc_dvc->ptr_map[i] = ptr;
+ return i + 1;
+}
+
+static void * advansys_srb_to_ptr(struct asc_dvc_var *asc_dvc, u32 srb)
+{
+ void *ptr;
+
+ srb--;
+ if (srb >= asc_dvc->ptr_map_count) {
+ printk("advansys: bad SRB %u, max %u\n", srb,
+ asc_dvc->ptr_map_count);
+ return NULL;
+ }
+ ptr = asc_dvc->ptr_map[srb];
+ asc_dvc->ptr_map[srb] = NULL;
+ ASC_DBG(3, "Returning ptr %p from array offset %d\n", ptr, srb);
+ return ptr;
+}
+
+/*
+ * advansys_info()
+ *
+ * Return suitable for printing on the console with the argument
+ * adapter's configuration information.
+ *
+ * Note: The information line should not exceed ASC_INFO_SIZE bytes,
+ * otherwise the static 'info' array will be overrun.
+ */
+static const char *advansys_info(struct Scsi_Host *shost)
+{
+ static char info[ASC_INFO_SIZE];
+ struct asc_board *boardp = shost_priv(shost);
+ ASC_DVC_VAR *asc_dvc_varp;
+ ADV_DVC_VAR *adv_dvc_varp;
+ char *busname;
+ char *widename = NULL;
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ ASC_DBG(1, "begin\n");
+ if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
+ if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) ==
+ ASC_IS_ISAPNP) {
+ busname = "ISA PnP";
+ } else {
+ busname = "ISA";
+ }
+ sprintf(info,
+ "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X, DMA 0x%X",
+ ASC_VERSION, busname,
+ (ulong)shost->io_port,
+ (ulong)shost->io_port + ASC_IOADR_GAP - 1,
+ boardp->irq, shost->dma_channel);
+ } else {
+ if (asc_dvc_varp->bus_type & ASC_IS_VL) {
+ busname = "VL";
+ } else if (asc_dvc_varp->bus_type & ASC_IS_EISA) {
+ busname = "EISA";
+ } else if (asc_dvc_varp->bus_type & ASC_IS_PCI) {
+ if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA)
+ == ASC_IS_PCI_ULTRA) {
+ busname = "PCI Ultra";
+ } else {
+ busname = "PCI";
+ }
+ } else {
+ busname = "?";
+ shost_printk(KERN_ERR, shost, "unknown bus "
+ "type %d\n", asc_dvc_varp->bus_type);
+ }
+ sprintf(info,
+ "AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X",
+ ASC_VERSION, busname, (ulong)shost->io_port,
+ (ulong)shost->io_port + ASC_IOADR_GAP - 1,
+ boardp->irq);
+ }
+ } else {
+ /*
+ * Wide Adapter Information
+ *
+ * Memory-mapped I/O is used instead of I/O space to access
+ * the adapter, but display the I/O Port range. The Memory
+ * I/O address is displayed through the driver /proc file.
+ */
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ widename = "Ultra-Wide";
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ widename = "Ultra2-Wide";
+ } else {
+ widename = "Ultra3-Wide";
+ }
+ sprintf(info,
+ "AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X",
+ ASC_VERSION, widename, (ulong)adv_dvc_varp->iop_base,
+ (ulong)adv_dvc_varp->iop_base + boardp->asc_n_io_port - 1, boardp->irq);
+ }
+ BUG_ON(strlen(info) >= ASC_INFO_SIZE);
+ ASC_DBG(1, "end\n");
+ return info;
+}
+
+#ifdef CONFIG_PROC_FS
+
+/*
+ * asc_prt_board_devices()
+ *
+ * Print driver information for devices attached to the board.
+ */
+static void asc_prt_board_devices(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ int chip_scsi_id;
+ int i;
+
+ seq_printf(m,
+ "\nDevice Information for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
+ } else {
+ chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
+ }
+
+ seq_puts(m, "Target IDs Detected:");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i))
+ seq_printf(m, " %X,", i);
+ }
+ seq_printf(m, " (%X=Host Adapter)\n", chip_scsi_id);
+}
+
+/*
+ * Display Wide Board BIOS Information.
+ */
+static void asc_prt_adv_bios(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ ushort major, minor, letter;
+
+ seq_puts(m, "\nROM BIOS Version: ");
+
+ /*
+ * If the BIOS saved a valid signature, then fill in
+ * the BIOS code segment base address.
+ */
+ if (boardp->bios_signature != 0x55AA) {
+ seq_puts(m, "Disabled or Pre-3.1\n"
+ "BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n"
+ "can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n");
+ } else {
+ major = (boardp->bios_version >> 12) & 0xF;
+ minor = (boardp->bios_version >> 8) & 0xF;
+ letter = (boardp->bios_version & 0xFF);
+
+ seq_printf(m, "%d.%d%c\n",
+ major, minor,
+ letter >= 26 ? '?' : letter + 'A');
+ /*
+ * Current available ROM BIOS release is 3.1I for UW
+ * and 3.2I for U2W. This code doesn't differentiate
+ * UW and U2W boards.
+ */
+ if (major < 3 || (major <= 3 && minor < 1) ||
+ (major <= 3 && minor <= 1 && letter < ('I' - 'A'))) {
+ seq_puts(m, "Newer version of ROM BIOS is available at the ConnectCom FTP site:\n"
+ "ftp://ftp.connectcom.net/pub\n");
+ }
+ }
+}
+
+/*
+ * Add serial number to information bar if signature AAh
+ * is found in at bit 15-9 (7 bits) of word 1.
+ *
+ * Serial Number consists fo 12 alpha-numeric digits.
+ *
+ * 1 - Product type (A,B,C,D..) Word0: 15-13 (3 bits)
+ * 2 - MFG Location (A,B,C,D..) Word0: 12-10 (3 bits)
+ * 3-4 - Product ID (0-99) Word0: 9-0 (10 bits)
+ * 5 - Product revision (A-J) Word0: " "
+ *
+ * Signature Word1: 15-9 (7 bits)
+ * 6 - Year (0-9) Word1: 8-6 (3 bits) & Word2: 15 (1 bit)
+ * 7-8 - Week of the year (1-52) Word1: 5-0 (6 bits)
+ *
+ * 9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits)
+ *
+ * Note 1: Only production cards will have a serial number.
+ *
+ * Note 2: Signature is most significant 7 bits (0xFE).
+ *
+ * Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE.
+ */
+static int asc_get_eeprom_string(ushort *serialnum, uchar *cp)
+{
+ ushort w, num;
+
+ if ((serialnum[1] & 0xFE00) != ((ushort)0xAA << 8)) {
+ return ASC_FALSE;
+ } else {
+ /*
+ * First word - 6 digits.
+ */
+ w = serialnum[0];
+
+ /* Product type - 1st digit. */
+ if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') {
+ /* Product type is P=Prototype */
+ *cp += 0x8;
+ }
+ cp++;
+
+ /* Manufacturing location - 2nd digit. */
+ *cp++ = 'A' + ((w & 0x1C00) >> 10);
+
+ /* Product ID - 3rd, 4th digits. */
+ num = w & 0x3FF;
+ *cp++ = '0' + (num / 100);
+ num %= 100;
+ *cp++ = '0' + (num / 10);
+
+ /* Product revision - 5th digit. */
+ *cp++ = 'A' + (num % 10);
+
+ /*
+ * Second word
+ */
+ w = serialnum[1];
+
+ /*
+ * Year - 6th digit.
+ *
+ * If bit 15 of third word is set, then the
+ * last digit of the year is greater than 7.
+ */
+ if (serialnum[2] & 0x8000) {
+ *cp++ = '8' + ((w & 0x1C0) >> 6);
+ } else {
+ *cp++ = '0' + ((w & 0x1C0) >> 6);
+ }
+
+ /* Week of year - 7th, 8th digits. */
+ num = w & 0x003F;
+ *cp++ = '0' + num / 10;
+ num %= 10;
+ *cp++ = '0' + num;
+
+ /*
+ * Third word
+ */
+ w = serialnum[2] & 0x7FFF;
+
+ /* Serial number - 9th digit. */
+ *cp++ = 'A' + (w / 1000);
+
+ /* 10th, 11th, 12th digits. */
+ num = w % 1000;
+ *cp++ = '0' + num / 100;
+ num %= 100;
+ *cp++ = '0' + num / 10;
+ num %= 10;
+ *cp++ = '0' + num;
+
+ *cp = '\0'; /* Null Terminate the string. */
+ return ASC_TRUE;
+ }
+}
+
+/*
+ * asc_prt_asc_board_eeprom()
+ *
+ * Print board EEPROM configuration.
+ */
+static void asc_prt_asc_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ ASC_DVC_VAR *asc_dvc_varp;
+ ASCEEP_CONFIG *ep;
+ int i;
+#ifdef CONFIG_ISA
+ int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 };
+#endif /* CONFIG_ISA */
+ uchar serialstr[13];
+
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ ep = &boardp->eep_config.asc_eep;
+
+ seq_printf(m,
+ "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+
+ if (asc_get_eeprom_string((ushort *)&ep->adapter_info[0], serialstr)
+ == ASC_TRUE)
+ seq_printf(m, " Serial Number: %s\n", serialstr);
+ else if (ep->adapter_info[5] == 0xBB)
+ seq_puts(m,
+ " Default Settings Used for EEPROM-less Adapter.\n");
+ else
+ seq_puts(m, " Serial Number Signature Not Present.\n");
+
+ seq_printf(m,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng,
+ ep->max_tag_qng);
+
+ seq_printf(m,
+ " cntl 0x%x, no_scam 0x%x\n", ep->cntl, ep->no_scam);
+
+ seq_puts(m, " Target ID: ");
+ for (i = 0; i <= ASC_MAX_TID; i++)
+ seq_printf(m, " %d", i);
+
+ seq_puts(m, "\n Disconnects: ");
+ for (i = 0; i <= ASC_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (ep->disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+
+ seq_puts(m, "\n Command Queuing: ");
+ for (i = 0; i <= ASC_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (ep->use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+
+ seq_puts(m, "\n Start Motor: ");
+ for (i = 0; i <= ASC_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (ep->start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+
+ seq_puts(m, "\n Synchronous Transfer:");
+ for (i = 0; i <= ASC_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (ep->init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ seq_putc(m, '\n');
+
+#ifdef CONFIG_ISA
+ if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
+ seq_printf(m,
+ " Host ISA DMA speed: %d MB/S\n",
+ isa_dma_speed[ASC_EEP_GET_DMA_SPD(ep)]);
+ }
+#endif /* CONFIG_ISA */
+}
+
+/*
+ * asc_prt_adv_board_eeprom()
+ *
+ * Print board EEPROM configuration.
+ */
+static void asc_prt_adv_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ ADV_DVC_VAR *adv_dvc_varp;
+ int i;
+ char *termstr;
+ uchar serialstr[13];
+ ADVEEP_3550_CONFIG *ep_3550 = NULL;
+ ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL;
+ ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL;
+ ushort word;
+ ushort *wordp;
+ ushort sdtr_speed = 0;
+
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ ep_3550 = &boardp->eep_config.adv_3550_eep;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
+ } else {
+ ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
+ }
+
+ seq_printf(m,
+ "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ wordp = &ep_3550->serial_number_word1;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ wordp = &ep_38C0800->serial_number_word1;
+ } else {
+ wordp = &ep_38C1600->serial_number_word1;
+ }
+
+ if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE)
+ seq_printf(m, " Serial Number: %s\n", serialstr);
+ else
+ seq_puts(m, " Serial Number Signature Not Present.\n");
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
+ seq_printf(m,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ep_3550->adapter_scsi_id,
+ ep_3550->max_host_qng, ep_3550->max_dvc_qng);
+ else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
+ seq_printf(m,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ep_38C0800->adapter_scsi_id,
+ ep_38C0800->max_host_qng,
+ ep_38C0800->max_dvc_qng);
+ else
+ seq_printf(m,
+ " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
+ ep_38C1600->adapter_scsi_id,
+ ep_38C1600->max_host_qng,
+ ep_38C1600->max_dvc_qng);
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->termination;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->termination_lvd;
+ } else {
+ word = ep_38C1600->termination_lvd;
+ }
+ switch (word) {
+ case 1:
+ termstr = "Low Off/High Off";
+ break;
+ case 2:
+ termstr = "Low Off/High On";
+ break;
+ case 3:
+ termstr = "Low On/High On";
+ break;
+ default:
+ case 0:
+ termstr = "Automatic";
+ break;
+ }
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
+ seq_printf(m,
+ " termination: %u (%s), bios_ctrl: 0x%x\n",
+ ep_3550->termination, termstr,
+ ep_3550->bios_ctrl);
+ else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
+ seq_printf(m,
+ " termination: %u (%s), bios_ctrl: 0x%x\n",
+ ep_38C0800->termination_lvd, termstr,
+ ep_38C0800->bios_ctrl);
+ else
+ seq_printf(m,
+ " termination: %u (%s), bios_ctrl: 0x%x\n",
+ ep_38C1600->termination_lvd, termstr,
+ ep_38C1600->bios_ctrl);
+
+ seq_puts(m, " Target ID: ");
+ for (i = 0; i <= ADV_MAX_TID; i++)
+ seq_printf(m, " %X", i);
+ seq_putc(m, '\n');
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->disc_enable;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->disc_enable;
+ } else {
+ word = ep_38C1600->disc_enable;
+ }
+ seq_puts(m, " Disconnects: ");
+ for (i = 0; i <= ADV_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ seq_putc(m, '\n');
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->tagqng_able;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->tagqng_able;
+ } else {
+ word = ep_38C1600->tagqng_able;
+ }
+ seq_puts(m, " Command Queuing: ");
+ for (i = 0; i <= ADV_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ seq_putc(m, '\n');
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->start_motor;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->start_motor;
+ } else {
+ word = ep_38C1600->start_motor;
+ }
+ seq_puts(m, " Start Motor: ");
+ for (i = 0; i <= ADV_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ seq_putc(m, '\n');
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ seq_puts(m, " Synchronous Transfer:");
+ for (i = 0; i <= ADV_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (ep_3550->sdtr_able & ADV_TID_TO_TIDMASK(i)) ?
+ 'Y' : 'N');
+ seq_putc(m, '\n');
+ }
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ seq_puts(m, " Ultra Transfer: ");
+ for (i = 0; i <= ADV_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (ep_3550->ultra_able & ADV_TID_TO_TIDMASK(i))
+ ? 'Y' : 'N');
+ seq_putc(m, '\n');
+ }
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ word = ep_3550->wdtr_able;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ word = ep_38C0800->wdtr_able;
+ } else {
+ word = ep_38C1600->wdtr_able;
+ }
+ seq_puts(m, " Wide Transfer: ");
+ for (i = 0; i <= ADV_MAX_TID; i++)
+ seq_printf(m, " %c",
+ (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ seq_putc(m, '\n');
+
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 ||
+ adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) {
+ seq_puts(m, " Synchronous Transfer Speed (Mhz):\n ");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ char *speed_str;
+
+ if (i == 0) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed1;
+ } else if (i == 4) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed2;
+ } else if (i == 8) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed3;
+ } else if (i == 12) {
+ sdtr_speed = adv_dvc_varp->sdtr_speed4;
+ }
+ switch (sdtr_speed & ADV_MAX_TID) {
+ case 0:
+ speed_str = "Off";
+ break;
+ case 1:
+ speed_str = " 5";
+ break;
+ case 2:
+ speed_str = " 10";
+ break;
+ case 3:
+ speed_str = " 20";
+ break;
+ case 4:
+ speed_str = " 40";
+ break;
+ case 5:
+ speed_str = " 80";
+ break;
+ default:
+ speed_str = "Unk";
+ break;
+ }
+ seq_printf(m, "%X:%s ", i, speed_str);
+ if (i == 7)
+ seq_puts(m, "\n ");
+ sdtr_speed >>= 4;
+ }
+ seq_putc(m, '\n');
+ }
+}
+
+/*
+ * asc_prt_driver_conf()
+ */
+static void asc_prt_driver_conf(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ int chip_scsi_id;
+
+ seq_printf(m,
+ "\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+
+ seq_printf(m,
+ " host_busy %u, max_id %u, max_lun %llu, max_channel %u\n",
+ atomic_read(&shost->host_busy), shost->max_id,
+ shost->max_lun, shost->max_channel);
+
+ seq_printf(m,
+ " unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n",
+ shost->unique_id, shost->can_queue, shost->this_id,
+ shost->sg_tablesize, shost->cmd_per_lun);
+
+ seq_printf(m,
+ " unchecked_isa_dma %d, use_clustering %d\n",
+ shost->unchecked_isa_dma, shost->use_clustering);
+
+ seq_printf(m,
+ " flags 0x%x, last_reset 0x%lx, jiffies 0x%lx, asc_n_io_port 0x%x\n",
+ boardp->flags, boardp->last_reset, jiffies,
+ boardp->asc_n_io_port);
+
+ seq_printf(m, " io_port 0x%lx\n", shost->io_port);
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
+ } else {
+ chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
+ }
+}
+
+/*
+ * asc_prt_asc_board_info()
+ *
+ * Print dynamic board configuration information.
+ */
+static void asc_prt_asc_board_info(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ int chip_scsi_id;
+ ASC_DVC_VAR *v;
+ ASC_DVC_CFG *c;
+ int i;
+ int renegotiate = 0;
+
+ v = &boardp->dvc_var.asc_dvc_var;
+ c = &boardp->dvc_cfg.asc_dvc_cfg;
+ chip_scsi_id = c->chip_scsi_id;
+
+ seq_printf(m,
+ "\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+
+ seq_printf(m, " chip_version %u, mcode_date 0x%x, "
+ "mcode_version 0x%x, err_code %u\n",
+ c->chip_version, c->mcode_date, c->mcode_version,
+ v->err_code);
+
+ /* Current number of commands waiting for the host. */
+ seq_printf(m,
+ " Total Command Pending: %d\n", v->cur_total_qng);
+
+ seq_puts(m, " Command Queuing:");
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ seq_printf(m, " %X:%c",
+ i,
+ (v->use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ }
+
+ /* Current number of commands waiting for a device. */
+ seq_puts(m, "\n Command Queue Pending:");
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ seq_printf(m, " %X:%u", i, v->cur_dvc_qng[i]);
+ }
+
+ /* Current limit on number of commands that can be sent to a device. */
+ seq_puts(m, "\n Command Queue Limit:");
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ seq_printf(m, " %X:%u", i, v->max_dvc_qng[i]);
+ }
+
+ /* Indicate whether the device has returned queue full status. */
+ seq_puts(m, "\n Command Queue Full:");
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ if (boardp->queue_full & ADV_TID_TO_TIDMASK(i))
+ seq_printf(m, " %X:Y-%d",
+ i, boardp->queue_full_cnt[i]);
+ else
+ seq_printf(m, " %X:N", i);
+ }
+
+ seq_puts(m, "\n Synchronous Transfer:");
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+ seq_printf(m, " %X:%c",
+ i,
+ (v->sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ }
+ seq_putc(m, '\n');
+
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ uchar syn_period_ix;
+
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
+ ((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ seq_printf(m, " %X:", i);
+
+ if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) {
+ seq_puts(m, " Asynchronous");
+ } else {
+ syn_period_ix =
+ (boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index -
+ 1);
+
+ seq_printf(m,
+ " Transfer Period Factor: %d (%d.%d Mhz),",
+ v->sdtr_period_tbl[syn_period_ix],
+ 250 / v->sdtr_period_tbl[syn_period_ix],
+ ASC_TENTHS(250,
+ v->sdtr_period_tbl[syn_period_ix]));
+
+ seq_printf(m, " REQ/ACK Offset: %d",
+ boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET);
+ }
+
+ if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
+ seq_puts(m, "*\n");
+ renegotiate = 1;
+ } else {
+ seq_putc(m, '\n');
+ }
+ }
+
+ if (renegotiate) {
+ seq_puts(m, " * = Re-negotiation pending before next command.\n");
+ }
+}
+
+/*
+ * asc_prt_adv_board_info()
+ *
+ * Print dynamic board configuration information.
+ */
+static void asc_prt_adv_board_info(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ int i;
+ ADV_DVC_VAR *v;
+ ADV_DVC_CFG *c;
+ AdvPortAddr iop_base;
+ ushort chip_scsi_id;
+ ushort lramword;
+ uchar lrambyte;
+ ushort tagqng_able;
+ ushort sdtr_able, wdtr_able;
+ ushort wdtr_done, sdtr_done;
+ ushort period = 0;
+ int renegotiate = 0;
+
+ v = &boardp->dvc_var.adv_dvc_var;
+ c = &boardp->dvc_cfg.adv_dvc_cfg;
+ iop_base = v->iop_base;
+ chip_scsi_id = v->chip_scsi_id;
+
+ seq_printf(m,
+ "\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+
+ seq_printf(m,
+ " iop_base 0x%lx, cable_detect: %X, err_code %u\n",
+ (unsigned long)v->iop_base,
+ AdvReadWordRegister(iop_base,IOPW_SCSI_CFG1) & CABLE_DETECT,
+ v->err_code);
+
+ seq_printf(m, " chip_version %u, mcode_date 0x%x, "
+ "mcode_version 0x%x\n", c->chip_version,
+ c->mcode_date, c->mcode_version);
+
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ seq_puts(m, " Queuing Enabled:");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ seq_printf(m, " %X:%c",
+ i,
+ (tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ }
+
+ seq_puts(m, "\n Queue Limit:");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i,
+ lrambyte);
+
+ seq_printf(m, " %X:%d", i, lrambyte);
+ }
+
+ seq_puts(m, "\n Command Pending:");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i,
+ lrambyte);
+
+ seq_printf(m, " %X:%d", i, lrambyte);
+ }
+ seq_putc(m, '\n');
+
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ seq_puts(m, " Wide Enabled:");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ seq_printf(m, " %X:%c",
+ i,
+ (wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ }
+ seq_putc(m, '\n');
+
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done);
+ seq_puts(m, " Transfer Bit Width:");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ AdvReadWordLram(iop_base,
+ ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
+ lramword);
+
+ seq_printf(m, " %X:%d",
+ i, (lramword & 0x8000) ? 16 : 8);
+
+ if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) &&
+ (wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
+ seq_putc(m, '*');
+ renegotiate = 1;
+ }
+ }
+ seq_putc(m, '\n');
+
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ seq_puts(m, " Synchronous Enabled:");
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ seq_printf(m, " %X:%c",
+ i,
+ (sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
+ }
+ seq_putc(m, '\n');
+
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done);
+ for (i = 0; i <= ADV_MAX_TID; i++) {
+
+ AdvReadWordLram(iop_base,
+ ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
+ lramword);
+ lramword &= ~0x8000;
+
+ if ((chip_scsi_id == i) ||
+ ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
+ ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) {
+ continue;
+ }
+
+ seq_printf(m, " %X:", i);
+
+ if ((lramword & 0x1F) == 0) { /* Check for REQ/ACK Offset 0. */
+ seq_puts(m, " Asynchronous");
+ } else {
+ seq_puts(m, " Transfer Period Factor: ");
+
+ if ((lramword & 0x1F00) == 0x1100) { /* 80 Mhz */
+ seq_puts(m, "9 (80.0 Mhz),");
+ } else if ((lramword & 0x1F00) == 0x1000) { /* 40 Mhz */
+ seq_puts(m, "10 (40.0 Mhz),");
+ } else { /* 20 Mhz or below. */
+
+ period = (((lramword >> 8) * 25) + 50) / 4;
+
+ if (period == 0) { /* Should never happen. */
+ seq_printf(m, "%d (? Mhz), ", period);
+ } else {
+ seq_printf(m,
+ "%d (%d.%d Mhz),",
+ period, 250 / period,
+ ASC_TENTHS(250, period));
+ }
+ }
+
+ seq_printf(m, " REQ/ACK Offset: %d",
+ lramword & 0x1F);
+ }
+
+ if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
+ seq_puts(m, "*\n");
+ renegotiate = 1;
+ } else {
+ seq_putc(m, '\n');
+ }
+ }
+
+ if (renegotiate) {
+ seq_puts(m, " * = Re-negotiation pending before next command.\n");
+ }
+}
+
+#ifdef ADVANSYS_STATS
+/*
+ * asc_prt_board_stats()
+ */
+static void asc_prt_board_stats(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+ struct asc_stats *s = &boardp->asc_stats;
+
+ seq_printf(m,
+ "\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n",
+ shost->host_no);
+
+ seq_printf(m,
+ " queuecommand %u, reset %u, biosparam %u, interrupt %u\n",
+ s->queuecommand, s->reset, s->biosparam,
+ s->interrupt);
+
+ seq_printf(m,
+ " callback %u, done %u, build_error %u, build_noreq %u, build_nosg %u\n",
+ s->callback, s->done, s->build_error,
+ s->adv_build_noreq, s->adv_build_nosg);
+
+ seq_printf(m,
+ " exe_noerror %u, exe_busy %u, exe_error %u, exe_unknown %u\n",
+ s->exe_noerror, s->exe_busy, s->exe_error,
+ s->exe_unknown);
+
+ /*
+ * Display data transfer statistics.
+ */
+ if (s->xfer_cnt > 0) {
+ seq_printf(m, " xfer_cnt %u, xfer_elem %u, ",
+ s->xfer_cnt, s->xfer_elem);
+
+ seq_printf(m, "xfer_bytes %u.%01u kb\n",
+ s->xfer_sect / 2, ASC_TENTHS(s->xfer_sect, 2));
+
+ /* Scatter gather transfer statistics */
+ seq_printf(m, " avg_num_elem %u.%01u, ",
+ s->xfer_elem / s->xfer_cnt,
+ ASC_TENTHS(s->xfer_elem, s->xfer_cnt));
+
+ seq_printf(m, "avg_elem_size %u.%01u kb, ",
+ (s->xfer_sect / 2) / s->xfer_elem,
+ ASC_TENTHS((s->xfer_sect / 2), s->xfer_elem));
+
+ seq_printf(m, "avg_xfer_size %u.%01u kb\n",
+ (s->xfer_sect / 2) / s->xfer_cnt,
+ ASC_TENTHS((s->xfer_sect / 2), s->xfer_cnt));
+ }
+}
+#endif /* ADVANSYS_STATS */
+
+/*
+ * advansys_show_info() - /proc/scsi/advansys/{0,1,2,3,...}
+ *
+ * m: seq_file to print into
+ * shost: Scsi_Host
+ *
+ * Return the number of bytes read from or written to a
+ * /proc/scsi/advansys/[0...] file.
+ */
+static int
+advansys_show_info(struct seq_file *m, struct Scsi_Host *shost)
+{
+ struct asc_board *boardp = shost_priv(shost);
+
+ ASC_DBG(1, "begin\n");
+
+ /*
+ * User read of /proc/scsi/advansys/[0...] file.
+ */
+
+ /*
+ * Get board configuration information.
+ *
+ * advansys_info() returns the board string from its own static buffer.
+ */
+ /* Copy board information. */
+ seq_printf(m, "%s\n", (char *)advansys_info(shost));
+ /*
+ * Display Wide Board BIOS Information.
+ */
+ if (!ASC_NARROW_BOARD(boardp))
+ asc_prt_adv_bios(m, shost);
+
+ /*
+ * Display driver information for each device attached to the board.
+ */
+ asc_prt_board_devices(m, shost);
+
+ /*
+ * Display EEPROM configuration for the board.
+ */
+ if (ASC_NARROW_BOARD(boardp))
+ asc_prt_asc_board_eeprom(m, shost);
+ else
+ asc_prt_adv_board_eeprom(m, shost);
+
+ /*
+ * Display driver configuration and information for the board.
+ */
+ asc_prt_driver_conf(m, shost);
+
+#ifdef ADVANSYS_STATS
+ /*
+ * Display driver statistics for the board.
+ */
+ asc_prt_board_stats(m, shost);
+#endif /* ADVANSYS_STATS */
+
+ /*
+ * Display Asc Library dynamic configuration information
+ * for the board.
+ */
+ if (ASC_NARROW_BOARD(boardp))
+ asc_prt_asc_board_info(m, shost);
+ else
+ asc_prt_adv_board_info(m, shost);
+ return 0;
+}
+#endif /* CONFIG_PROC_FS */
+
+static void asc_scsi_done(struct scsi_cmnd *scp)
+{
+ scsi_dma_unmap(scp);
+ ASC_STATS(scp->device->host, done);
+ scp->scsi_done(scp);
+}
+
+static void AscSetBank(PortAddr iop_base, uchar bank)
+{
+ uchar val;
+
+ val = AscGetChipControl(iop_base) &
+ (~
+ (CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET |
+ CC_CHIP_RESET));
+ if (bank == 1) {
+ val |= CC_BANK_ONE;
+ } else if (bank == 2) {
+ val |= CC_DIAG | CC_BANK_ONE;
+ } else {
+ val &= ~CC_BANK_ONE;
+ }
+ AscSetChipControl(iop_base, val);
+}
+
+static void AscSetChipIH(PortAddr iop_base, ushort ins_code)
+{
+ AscSetBank(iop_base, 1);
+ AscWriteChipIH(iop_base, ins_code);
+ AscSetBank(iop_base, 0);
+}
+
+static int AscStartChip(PortAddr iop_base)
+{
+ AscSetChipControl(iop_base, 0);
+ if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
+ return (0);
+ }
+ return (1);
+}
+
+static int AscStopChip(PortAddr iop_base)
+{
+ uchar cc_val;
+
+ cc_val =
+ AscGetChipControl(iop_base) &
+ (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG));
+ AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT));
+ AscSetChipIH(iop_base, INS_HALT);
+ AscSetChipIH(iop_base, INS_RFLAG_WTM);
+ if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) {
+ return (0);
+ }
+ return (1);
+}
+
+static int AscIsChipHalted(PortAddr iop_base)
+{
+ if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
+ if ((AscGetChipControl(iop_base) & CC_HALT) != 0) {
+ return (1);
+ }
+ }
+ return (0);
+}
+
+static int AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc)
+{
+ PortAddr iop_base;
+ int i = 10;
+
+ iop_base = asc_dvc->iop_base;
+ while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE)
+ && (i-- > 0)) {
+ mdelay(100);
+ }
+ AscStopChip(iop_base);
+ AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT);
+ udelay(60);
+ AscSetChipIH(iop_base, INS_RFLAG_WTM);
+ AscSetChipIH(iop_base, INS_HALT);
+ AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT);
+ AscSetChipControl(iop_base, CC_HALT);
+ mdelay(200);
+ AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
+ AscSetChipStatus(iop_base, 0);
+ return (AscIsChipHalted(iop_base));
+}
+
+static int AscFindSignature(PortAddr iop_base)
+{
+ ushort sig_word;
+
+ ASC_DBG(1, "AscGetChipSignatureByte(0x%x) 0x%x\n",
+ iop_base, AscGetChipSignatureByte(iop_base));
+ if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) {
+ ASC_DBG(1, "AscGetChipSignatureWord(0x%x) 0x%x\n",
+ iop_base, AscGetChipSignatureWord(iop_base));
+ sig_word = AscGetChipSignatureWord(iop_base);
+ if ((sig_word == (ushort)ASC_1000_ID0W) ||
+ (sig_word == (ushort)ASC_1000_ID0W_FIX)) {
+ return (1);
+ }
+ }
+ return (0);
+}
+
+static void AscEnableInterrupt(PortAddr iop_base)
+{
+ ushort cfg;
+
+ cfg = AscGetChipCfgLsw(iop_base);
+ AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON);
+}
+
+static void AscDisableInterrupt(PortAddr iop_base)
+{
+ ushort cfg;
+
+ cfg = AscGetChipCfgLsw(iop_base);
+ AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON));
+}
+
+static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
+{
+ unsigned char byte_data;
+ unsigned short word_data;
+
+ if (isodd_word(addr)) {
+ AscSetChipLramAddr(iop_base, addr - 1);
+ word_data = AscGetChipLramData(iop_base);
+ byte_data = (word_data >> 8) & 0xFF;
+ } else {
+ AscSetChipLramAddr(iop_base, addr);
+ word_data = AscGetChipLramData(iop_base);
+ byte_data = word_data & 0xFF;
+ }
+ return byte_data;
+}
+
+static ushort AscReadLramWord(PortAddr iop_base, ushort addr)
+{
+ ushort word_data;
+
+ AscSetChipLramAddr(iop_base, addr);
+ word_data = AscGetChipLramData(iop_base);
+ return (word_data);
+}
+
+#if CC_VERY_LONG_SG_LIST
+static ASC_DCNT AscReadLramDWord(PortAddr iop_base, ushort addr)
+{
+ ushort val_low, val_high;
+ ASC_DCNT dword_data;
+
+ AscSetChipLramAddr(iop_base, addr);
+ val_low = AscGetChipLramData(iop_base);
+ val_high = AscGetChipLramData(iop_base);
+ dword_data = ((ASC_DCNT) val_high << 16) | (ASC_DCNT) val_low;
+ return (dword_data);
+}
+#endif /* CC_VERY_LONG_SG_LIST */
+
+static void
+AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words)
+{
+ int i;
+
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < words; i++) {
+ AscSetChipLramData(iop_base, set_wval);
+ }
+}
+
+static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val)
+{
+ AscSetChipLramAddr(iop_base, addr);
+ AscSetChipLramData(iop_base, word_val);
+}
+
+static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val)
+{
+ ushort word_data;
+
+ if (isodd_word(addr)) {
+ addr--;
+ word_data = AscReadLramWord(iop_base, addr);
+ word_data &= 0x00FF;
+ word_data |= (((ushort)byte_val << 8) & 0xFF00);
+ } else {
+ word_data = AscReadLramWord(iop_base, addr);
+ word_data &= 0xFF00;
+ word_data |= ((ushort)byte_val & 0x00FF);
+ }
+ AscWriteLramWord(iop_base, addr, word_data);
+}
+
+/*
+ * Copy 2 bytes to LRAM.
+ *
+ * The source data is assumed to be in little-endian order in memory
+ * and is maintained in little-endian order when written to LRAM.
+ */
+static void
+AscMemWordCopyPtrToLram(PortAddr iop_base, ushort s_addr,
+ const uchar *s_buffer, int words)
+{
+ int i;
+
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ /*
+ * On a little-endian system the second argument below
+ * produces a little-endian ushort which is written to
+ * LRAM in little-endian order. On a big-endian system
+ * the second argument produces a big-endian ushort which
+ * is "transparently" byte-swapped by outpw() and written
+ * in little-endian order to LRAM.
+ */
+ outpw(iop_base + IOP_RAM_DATA,
+ ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
+ }
+}
+
+/*
+ * Copy 4 bytes to LRAM.
+ *
+ * The source data is assumed to be in little-endian order in memory
+ * and is maintained in little-endian order when written to LRAM.
+ */
+static void
+AscMemDWordCopyPtrToLram(PortAddr iop_base,
+ ushort s_addr, uchar *s_buffer, int dwords)
+{
+ int i;
+
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 4 * dwords; i += 4) {
+ outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]); /* LSW */
+ outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]); /* MSW */
+ }
+}
+
+/*
+ * Copy 2 bytes from LRAM.
+ *
+ * The source data is assumed to be in little-endian order in LRAM
+ * and is maintained in little-endian order when written to memory.
+ */
+static void
+AscMemWordCopyPtrFromLram(PortAddr iop_base,
+ ushort s_addr, uchar *d_buffer, int words)
+{
+ int i;
+ ushort word;
+
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ word = inpw(iop_base + IOP_RAM_DATA);
+ d_buffer[i] = word & 0xff;
+ d_buffer[i + 1] = (word >> 8) & 0xff;
+ }
+}
+
+static ASC_DCNT AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words)
+{
+ ASC_DCNT sum;
+ int i;
+
+ sum = 0L;
+ for (i = 0; i < words; i++, s_addr += 2) {
+ sum += AscReadLramWord(iop_base, s_addr);
+ }
+ return (sum);
+}
+
+static ushort AscInitLram(ASC_DVC_VAR *asc_dvc)
+{
+ uchar i;
+ ushort s_addr;
+ PortAddr iop_base;
+ ushort warn_code;
+
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0,
+ (ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) *
+ 64) >> 1));
+ i = ASC_MIN_ACTIVE_QNO;
+ s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE;
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
+ (uchar)(i + 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
+ (uchar)(asc_dvc->max_total_qng));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
+ (uchar)i);
+ i++;
+ s_addr += ASC_QBLK_SIZE;
+ for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) {
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
+ (uchar)(i + 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
+ (uchar)(i - 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
+ (uchar)i);
+ }
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
+ (uchar)ASC_QLINK_END);
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
+ (uchar)(asc_dvc->max_total_qng - 1));
+ AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
+ (uchar)asc_dvc->max_total_qng);
+ i++;
+ s_addr += ASC_QBLK_SIZE;
+ for (; i <= (uchar)(asc_dvc->max_total_qng + 3);
+ i++, s_addr += ASC_QBLK_SIZE) {
+ AscWriteLramByte(iop_base,
+ (ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i);
+ AscWriteLramByte(iop_base,
+ (ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i);
+ AscWriteLramByte(iop_base,
+ (ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i);
+ }
+ return warn_code;
+}
+
+static ASC_DCNT
+AscLoadMicroCode(PortAddr iop_base, ushort s_addr,
+ const uchar *mcode_buf, ushort mcode_size)
+{
+ ASC_DCNT chksum;
+ ushort mcode_word_size;
+ ushort mcode_chksum;
+
+ /* Write the microcode buffer starting at LRAM address 0. */
+ mcode_word_size = (ushort)(mcode_size >> 1);
+ AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size);
+ AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size);
+
+ chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size);
+ ASC_DBG(1, "chksum 0x%lx\n", (ulong)chksum);
+ mcode_chksum = (ushort)AscMemSumLramWord(iop_base,
+ (ushort)ASC_CODE_SEC_BEG,
+ (ushort)((mcode_size -
+ s_addr - (ushort)
+ ASC_CODE_SEC_BEG) /
+ 2));
+ ASC_DBG(1, "mcode_chksum 0x%lx\n", (ulong)mcode_chksum);
+ AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum);
+ AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size);
+ return chksum;
+}
+
+static void AscInitQLinkVar(ASC_DVC_VAR *asc_dvc)
+{
+ PortAddr iop_base;
+ int i;
+ ushort lram_addr;
+
+ iop_base = asc_dvc->iop_base;
+ AscPutRiscVarFreeQHead(iop_base, 1);
+ AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng);
+ AscPutVarFreeQHead(iop_base, 1);
+ AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng);
+ AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B,
+ (uchar)((int)asc_dvc->max_total_qng + 1));
+ AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B,
+ (uchar)((int)asc_dvc->max_total_qng + 2));
+ AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B,
+ asc_dvc->max_total_qng);
+ AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0);
+ AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0);
+ AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0);
+ AscPutQDoneInProgress(iop_base, 0);
+ lram_addr = ASC_QADR_BEG;
+ for (i = 0; i < 32; i++, lram_addr += 2) {
+ AscWriteLramWord(iop_base, lram_addr, 0);
+ }
+}
+
+static ushort AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
+{
+ int i;
+ ushort warn_code;
+ PortAddr iop_base;
+ ASC_PADDR phy_addr;
+ ASC_DCNT phy_size;
+ struct asc_board *board = asc_dvc_to_board(asc_dvc);
+
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ AscPutMCodeInitSDTRAtID(iop_base, i,
+ asc_dvc->cfg->sdtr_period_offset[i]);
+ }
+
+ AscInitQLinkVar(asc_dvc);
+ AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B,
+ asc_dvc->cfg->disc_enable);
+ AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
+ ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));
+
+ /* Ensure overrun buffer is aligned on an 8 byte boundary. */
+ BUG_ON((unsigned long)asc_dvc->overrun_buf & 7);
+ asc_dvc->overrun_dma = dma_map_single(board->dev, asc_dvc->overrun_buf,
+ ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+ if (dma_mapping_error(board->dev, asc_dvc->overrun_dma)) {
+ warn_code = -ENOMEM;
+ goto err_dma_map;
+ }
+ phy_addr = cpu_to_le32(asc_dvc->overrun_dma);
+ AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
+ (uchar *)&phy_addr, 1);
+ phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE);
+ AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
+ (uchar *)&phy_size, 1);
+
+ asc_dvc->cfg->mcode_date =
+ AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W);
+ asc_dvc->cfg->mcode_version =
+ AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W);
+
+ AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
+ if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
+ asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
+ warn_code = UW_ERR;
+ goto err_mcode_start;
+ }
+ if (AscStartChip(iop_base) != 1) {
+ asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
+ warn_code = UW_ERR;
+ goto err_mcode_start;
+ }
+
+ return warn_code;
+
+err_mcode_start:
+ dma_unmap_single(board->dev, asc_dvc->overrun_dma,
+ ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+err_dma_map:
+ asc_dvc->overrun_dma = 0;
+ return warn_code;
+}
+
+static ushort AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
+{
+ const struct firmware *fw;
+ const char fwname[] = "advansys/mcode.bin";
+ int err;
+ unsigned long chksum;
+ ushort warn_code;
+ PortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) &&
+ !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) {
+ AscResetChipAndScsiBus(asc_dvc);
+ mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
+ }
+ asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC;
+ if (asc_dvc->err_code != 0)
+ return UW_ERR;
+ if (!AscFindSignature(asc_dvc->iop_base)) {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ return warn_code;
+ }
+ AscDisableInterrupt(iop_base);
+ warn_code |= AscInitLram(asc_dvc);
+ if (asc_dvc->err_code != 0)
+ return UW_ERR;
+
+ err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
+ if (err) {
+ printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
+ fwname, err);
+ asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
+ return err;
+ }
+ if (fw->size < 4) {
+ printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
+ fw->size, fwname);
+ release_firmware(fw);
+ asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
+ return -EINVAL;
+ }
+ chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
+ (fw->data[1] << 8) | fw->data[0];
+ ASC_DBG(1, "_asc_mcode_chksum 0x%lx\n", (ulong)chksum);
+ if (AscLoadMicroCode(iop_base, 0, &fw->data[4],
+ fw->size - 4) != chksum) {
+ asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
+ release_firmware(fw);
+ return warn_code;
+ }
+ release_firmware(fw);
+ warn_code |= AscInitMicroCodeVar(asc_dvc);
+ if (!asc_dvc->overrun_dma)
+ return warn_code;
+ asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
+ AscEnableInterrupt(iop_base);
+ return warn_code;
+}
+
+/*
+ * Load the Microcode
+ *
+ * Write the microcode image to RISC memory starting at address 0.
+ *
+ * The microcode is stored compressed in the following format:
+ *
+ * 254 word (508 byte) table indexed by byte code followed
+ * by the following byte codes:
+ *
+ * 1-Byte Code:
+ * 00: Emit word 0 in table.
+ * 01: Emit word 1 in table.
+ * .
+ * FD: Emit word 253 in table.
+ *
+ * Multi-Byte Code:
+ * FE WW WW: (3 byte code) Word to emit is the next word WW WW.
+ * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
+ *
+ * Returns 0 or an error if the checksum doesn't match
+ */
+static int AdvLoadMicrocode(AdvPortAddr iop_base, const unsigned char *buf,
+ int size, int memsize, int chksum)
+{
+ int i, j, end, len = 0;
+ ADV_DCNT sum;
+
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
+
+ for (i = 253 * 2; i < size; i++) {
+ if (buf[i] == 0xff) {
+ unsigned short word = (buf[i + 3] << 8) | buf[i + 2];
+ for (j = 0; j < buf[i + 1]; j++) {
+ AdvWriteWordAutoIncLram(iop_base, word);
+ len += 2;
+ }
+ i += 3;
+ } else if (buf[i] == 0xfe) {
+ unsigned short word = (buf[i + 2] << 8) | buf[i + 1];
+ AdvWriteWordAutoIncLram(iop_base, word);
+ i += 2;
+ len += 2;
+ } else {
+ unsigned int off = buf[i] * 2;
+ unsigned short word = (buf[off + 1] << 8) | buf[off];
+ AdvWriteWordAutoIncLram(iop_base, word);
+ len += 2;
+ }
+ }
+
+ end = len;
+
+ while (len < memsize) {
+ AdvWriteWordAutoIncLram(iop_base, 0);
+ len += 2;
+ }
+
+ /* Verify the microcode checksum. */
+ sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
+
+ for (len = 0; len < end; len += 2) {
+ sum += AdvReadWordAutoIncLram(iop_base);
+ }
+
+ if (sum != chksum)
+ return ASC_IERR_MCODE_CHKSUM;
+
+ return 0;
+}
+
+static void AdvBuildCarrierFreelist(struct adv_dvc_var *asc_dvc)
+{
+ ADV_CARR_T *carrp;
+ ADV_SDCNT buf_size;
+ ADV_PADDR carr_paddr;
+
+ carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf);
+ asc_dvc->carr_freelist = NULL;
+ if (carrp == asc_dvc->carrier_buf) {
+ buf_size = ADV_CARRIER_BUFSIZE;
+ } else {
+ buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T);
+ }
+
+ do {
+ /* Get physical address of the carrier 'carrp'. */
+ carr_paddr = cpu_to_le32(virt_to_bus(carrp));
+
+ buf_size -= sizeof(ADV_CARR_T);
+
+ carrp->carr_pa = carr_paddr;
+ carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp));
+
+ /*
+ * Insert the carrier at the beginning of the freelist.
+ */
+ carrp->next_vpa =
+ cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
+ asc_dvc->carr_freelist = carrp;
+
+ carrp++;
+ } while (buf_size > 0);
+}
+
+/*
+ * Send an idle command to the chip and wait for completion.
+ *
+ * Command completion is polled for once per microsecond.
+ *
+ * The function can be called from anywhere including an interrupt handler.
+ * But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical()
+ * functions to prevent reentrancy.
+ *
+ * Return Values:
+ * ADV_TRUE - command completed successfully
+ * ADV_FALSE - command failed
+ * ADV_ERROR - command timed out
+ */
+static int
+AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc,
+ ushort idle_cmd, ADV_DCNT idle_cmd_parameter)
+{
+ int result;
+ ADV_DCNT i, j;
+ AdvPortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Clear the idle command status which is set by the microcode
+ * to a non-zero value to indicate when the command is completed.
+ * The non-zero result is one of the IDLE_CMD_STATUS_* values
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0);
+
+ /*
+ * Write the idle command value after the idle command parameter
+ * has been written to avoid a race condition. If the order is not
+ * followed, the microcode may process the idle command before the
+ * parameters have been written to LRAM.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER,
+ cpu_to_le32(idle_cmd_parameter));
+ AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd);
+
+ /*
+ * Tickle the RISC to tell it to process the idle command.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ /*
+ * Clear the tickle value. In the ASC-3550 the RISC flag
+ * command 'clr_tickle_b' does not work unless the host
+ * value is cleared.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP);
+ }
+
+ /* Wait for up to 100 millisecond for the idle command to timeout. */
+ for (i = 0; i < SCSI_WAIT_100_MSEC; i++) {
+ /* Poll once each microsecond for command completion. */
+ for (j = 0; j < SCSI_US_PER_MSEC; j++) {
+ AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS,
+ result);
+ if (result != 0)
+ return result;
+ udelay(1);
+ }
+ }
+
+ BUG(); /* The idle command should never timeout. */
+ return ADV_ERROR;
+}
+
+/*
+ * Reset SCSI Bus and purge all outstanding requests.
+ *
+ * Return Value:
+ * ADV_TRUE(1) - All requests are purged and SCSI Bus is reset.
+ * ADV_FALSE(0) - Microcode command failed.
+ * ADV_ERROR(-1) - Microcode command timed-out. Microcode or IC
+ * may be hung which requires driver recovery.
+ */
+static int AdvResetSB(ADV_DVC_VAR *asc_dvc)
+{
+ int status;
+
+ /*
+ * Send the SCSI Bus Reset idle start idle command which asserts
+ * the SCSI Bus Reset signal.
+ */
+ status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_START, 0L);
+ if (status != ADV_TRUE) {
+ return status;
+ }
+
+ /*
+ * Delay for the specified SCSI Bus Reset hold time.
+ *
+ * The hold time delay is done on the host because the RISC has no
+ * microsecond accurate timer.
+ */
+ udelay(ASC_SCSI_RESET_HOLD_TIME_US);
+
+ /*
+ * Send the SCSI Bus Reset end idle command which de-asserts
+ * the SCSI Bus Reset signal and purges any pending requests.
+ */
+ status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_END, 0L);
+ if (status != ADV_TRUE) {
+ return status;
+ }
+
+ mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
+
+ return status;
+}
+
+/*
+ * Initialize the ASC-3550.
+ *
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Needed after initialization for error recovery.
+ */
+static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
+{
+ const struct firmware *fw;
+ const char fwname[] = "advansys/3550.bin";
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ int begin_addr;
+ int end_addr;
+ ushort code_sum;
+ int word;
+ int i;
+ int err;
+ unsigned long chksum;
+ ushort scsi_cfg1;
+ uchar tid;
+ ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
+ ushort wdtr_able = 0, sdtr_able, tagqng_able;
+ uchar max_cmd[ADV_MAX_TID + 1];
+
+ /* If there is already an error, don't continue. */
+ if (asc_dvc->err_code != 0)
+ return ADV_ERROR;
+
+ /*
+ * The caller must set 'chip_type' to ADV_CHIP_ASC3550.
+ */
+ if (asc_dvc->chip_type != ADV_CHIP_ASC3550) {
+ asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
+
+ warn_code = 0;
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save the RISC memory BIOS region before writing the microcode.
+ * The BIOS may already be loaded and using its RISC LRAM region
+ * so its region must be saved and restored.
+ *
+ * Note: This code makes the assumption, which is currently true,
+ * that a chip reset does not clear RISC LRAM.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == 0x55AA) {
+ ushort bios_version, major, minor;
+
+ bios_version =
+ bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM) / 2];
+ major = (bios_version >> 12) & 0xF;
+ minor = (bios_version >> 8) & 0xF;
+ if (major < 3 || (major == 3 && minor == 1)) {
+ /* BIOS 3.1 and earlier location of 'wdtr_able' variable. */
+ AdvReadWordLram(iop_base, 0x120, wdtr_able);
+ } else {
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ }
+ }
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
+ if (err) {
+ printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
+ fwname, err);
+ asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
+ return err;
+ }
+ if (fw->size < 4) {
+ printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
+ fw->size, fwname);
+ release_firmware(fw);
+ asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
+ return -EINVAL;
+ }
+ chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
+ (fw->data[1] << 8) | fw->data[0];
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
+ fw->size - 4, ADV_3550_MEMSIZE,
+ chksum);
+ release_firmware(fw);
+ if (asc_dvc->err_code)
+ return ADV_ERROR;
+
+ /*
+ * Restore the RISC memory BIOS region.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Calculate and write the microcode code checksum to the microcode
+ * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ */
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
+ AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
+ code_sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
+ for (word = begin_addr; word < end_addr; word += 2) {
+ code_sum += AdvReadWordAutoIncLram(iop_base);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+
+ /*
+ * Read and save microcode version and date.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
+ asc_dvc->cfg->mcode_date);
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
+ asc_dvc->cfg->mcode_version);
+
+ /*
+ * Set the chip type to indicate the ASC3550.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550);
+
+ /*
+ * If the PCI Configuration Command Register "Parity Error Response
+ * Control" Bit was clear (0), then set the microcode variable
+ * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
+ * to ignore DMA parity errors.
+ */
+ if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_IGNORE_PERR;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * For ASC-3550, setting the START_CTL_EMFU [3:2] bits sets a FIFO
+ * threshold of 128 bytes. This register is only accessible to the host.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
+ START_CTL_EMFU | READ_CMD_MRM);
+
+ /*
+ * Microcode operating variables for WDTR, SDTR, and command tag
+ * queuing will be set in slave_configure() based on what a
+ * device reports it is capable of in Inquiry byte 7.
+ *
+ * If SCSI Bus Resets have been disabled, then directly set
+ * SDTR and WDTR from the EEPROM configuration. This will allow
+ * the BIOS and warm boot to work without a SCSI bus hang on
+ * the Inquiry caused by host and target mismatched DTR values.
+ * Without the SCSI Bus Reset, before an Inquiry a device can't
+ * be assumed to be in Asynchronous, Narrow mode.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
+ asc_dvc->wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
+ asc_dvc->sdtr_able);
+ }
+
+ /*
+ * Set microcode operating variables for SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 based on the ULTRA EEPROM per TID
+ * bitmask. These values determine the maximum SDTR speed negotiated
+ * with a device.
+ *
+ * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
+ * without determining here whether the device supports SDTR.
+ *
+ * 4-bit speed SDTR speed name
+ * =========== ===============
+ * 0000b (0x0) SDTR disabled
+ * 0001b (0x1) 5 Mhz
+ * 0010b (0x2) 10 Mhz
+ * 0011b (0x3) 20 Mhz (Ultra)
+ * 0100b (0x4) 40 Mhz (LVD/Ultra2)
+ * 0101b (0x5) 80 Mhz (LVD2/Ultra3)
+ * 0110b (0x6) Undefined
+ * .
+ * 1111b (0xF) Undefined
+ */
+ word = 0;
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) {
+ /* Set Ultra speed for TID 'tid'. */
+ word |= (0x3 << (4 * (tid % 4)));
+ } else {
+ /* Set Fast speed for TID 'tid'. */
+ word |= (0x2 << (4 * (tid % 4)));
+ }
+ if (tid == 3) { /* Check if done with sdtr_speed1. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word);
+ word = 0;
+ } else if (tid == 7) { /* Check if done with sdtr_speed2. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word);
+ word = 0;
+ } else if (tid == 11) { /* Check if done with sdtr_speed3. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word);
+ word = 0;
+ } else if (tid == 15) { /* Check if done with sdtr_speed4. */
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word);
+ /* End of loop. */
+ }
+ }
+
+ /*
+ * Set microcode operating variable for the disconnect per TID bitmask.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
+ asc_dvc->cfg->disc_enable);
+
+ /*
+ * Set SCSI_CFG0 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG0 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
+ PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
+ asc_dvc->chip_scsi_id);
+
+ /*
+ * Determine SCSI_CFG1 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+
+ /* Read current SCSI_CFG1 Register value. */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+
+ /*
+ * If all three connectors are in use, return an error.
+ */
+ if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 ||
+ (scsi_cfg1 & CABLE_ILLEGAL_B) == 0) {
+ asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If the internal narrow cable is reversed all of the SCSI_CTRL
+ * register signals will be set. Check for and return an error if
+ * this condition is found.
+ */
+ if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
+ asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If this is a differential board and a single-ended device
+ * is attached to one of the connectors, return an error.
+ */
+ if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) {
+ asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If automatic termination control is enabled, then set the
+ * termination value based on a table listed in a_condor.h.
+ *
+ * If manual termination was specified with an EEPROM setting
+ * then 'termination' was set-up in AdvInitFrom3550EEPROM() and
+ * is ready to be 'ored' into SCSI_CFG1.
+ */
+ if (asc_dvc->cfg->termination == 0) {
+ /*
+ * The software always controls termination by setting TERM_CTL_SEL.
+ * If TERM_CTL_SEL were set to 0, the hardware would set termination.
+ */
+ asc_dvc->cfg->termination |= TERM_CTL_SEL;
+
+ switch (scsi_cfg1 & CABLE_DETECT) {
+ /* TERM_CTL_H: on, TERM_CTL_L: on */
+ case 0x3:
+ case 0x7:
+ case 0xB:
+ case 0xD:
+ case 0xE:
+ case 0xF:
+ asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L);
+ break;
+
+ /* TERM_CTL_H: on, TERM_CTL_L: off */
+ case 0x1:
+ case 0x5:
+ case 0x9:
+ case 0xA:
+ case 0xC:
+ asc_dvc->cfg->termination |= TERM_CTL_H;
+ break;
+
+ /* TERM_CTL_H: off, TERM_CTL_L: off */
+ case 0x2:
+ case 0x6:
+ break;
+ }
+ }
+
+ /*
+ * Clear any set TERM_CTL_H and TERM_CTL_L bits.
+ */
+ scsi_cfg1 &= ~TERM_CTL;
+
+ /*
+ * Invert the TERM_CTL_H and TERM_CTL_L bits and then
+ * set 'scsi_cfg1'. The TERM_POL bit does not need to be
+ * referenced, because the hardware internally inverts
+ * the Termination High and Low bits if TERM_POL is set.
+ */
+ scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL));
+
+ /*
+ * Set SCSI_CFG1 Microcode Default Value
+ *
+ * Set filter value and possibly modified termination control
+ * bits in the Microcode SCSI_CFG1 Register Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1,
+ FLTR_DISABLE | scsi_cfg1);
+
+ /*
+ * Set MEM_CFG Microcode Default Value
+ *
+ * The microcode will set the MEM_CFG register using this value
+ * after it is started below.
+ *
+ * MEM_CFG may be accessed as a word or byte, but only bits 0-7
+ * are defined.
+ *
+ * ASC-3550 has 8KB internal memory.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ BIOS_EN | RAM_SZ_8KB);
+
+ /*
+ * Set SEL_MASK Microcode Default Value
+ *
+ * The microcode will set the SEL_MASK register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
+ ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
+
+ AdvBuildCarrierFreelist(asc_dvc);
+
+ /*
+ * Set-up the Host->RISC Initiator Command Queue (ICQ).
+ */
+
+ if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+
+ /*
+ * The first command issued will be placed in the stopper carrier.
+ */
+ asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC ICQ physical address start value.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+
+ /*
+ * Set-up the RISC->Host Initiator Response Queue (IRQ).
+ */
+ if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+
+ /*
+ * The first command completed by the RISC will be placed in
+ * the stopper.
+ *
+ * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
+ * completed the RISC will set the ASC_RQ_STOPPER bit.
+ */
+ asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC IRQ physical address start value.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
+ asc_dvc->carr_pending_cnt = 0;
+
+ AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
+ (ADV_INTR_ENABLE_HOST_INTR |
+ ADV_INTR_ENABLE_GLOBAL_INTR));
+
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
+ AdvWriteWordRegister(iop_base, IOPW_PC, word);
+
+ /* finally, finally, gentlemen, start your engine */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+
+ /*
+ * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
+ * Resets should be performed. The RISC has to be running
+ * to issue a SCSI Bus Reset.
+ */
+ if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
+ /*
+ * If the BIOS Signature is present in memory, restore the
+ * BIOS Handshake Configuration Table and do not perform
+ * a SCSI Bus Reset.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
+ 0x55AA) {
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+ } else {
+ if (AdvResetSB(asc_dvc) != ADV_TRUE) {
+ warn_code = ASC_WARN_BUSRESET_ERROR;
+ }
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Initialize the ASC-38C0800.
+ *
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Needed after initialization for error recovery.
+ */
+static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
+{
+ const struct firmware *fw;
+ const char fwname[] = "advansys/38C0800.bin";
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ int begin_addr;
+ int end_addr;
+ ushort code_sum;
+ int word;
+ int i;
+ int err;
+ unsigned long chksum;
+ ushort scsi_cfg1;
+ uchar byte;
+ uchar tid;
+ ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
+ ushort wdtr_able, sdtr_able, tagqng_able;
+ uchar max_cmd[ADV_MAX_TID + 1];
+
+ /* If there is already an error, don't continue. */
+ if (asc_dvc->err_code != 0)
+ return ADV_ERROR;
+
+ /*
+ * The caller must set 'chip_type' to ADV_CHIP_ASC38C0800.
+ */
+ if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) {
+ asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
+
+ warn_code = 0;
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save the RISC memory BIOS region before writing the microcode.
+ * The BIOS may already be loaded and using its RISC LRAM region
+ * so its region must be saved and restored.
+ *
+ * Note: This code makes the assumption, which is currently true,
+ * that a chip reset does not clear RISC LRAM.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ /*
+ * RAM BIST (RAM Built-In Self Test)
+ *
+ * Address : I/O base + offset 0x38h register (byte).
+ * Function: Bit 7-6(RW) : RAM mode
+ * Normal Mode : 0x00
+ * Pre-test Mode : 0x40
+ * RAM Test Mode : 0x80
+ * Bit 5 : unused
+ * Bit 4(RO) : Done bit
+ * Bit 3-0(RO) : Status
+ * Host Error : 0x08
+ * Int_RAM Error : 0x04
+ * RISC Error : 0x02
+ * SCSI Error : 0x01
+ * No Error : 0x00
+ *
+ * Note: RAM BIST code should be put right here, before loading the
+ * microcode and after saving the RISC memory BIOS region.
+ */
+
+ /*
+ * LRAM Pre-test
+ *
+ * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
+ * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
+ * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
+ * to NORMAL_MODE, return an error too.
+ */
+ for (i = 0; i < 2; i++) {
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0
+ || (byte & 0x0F) != PRE_TEST_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
+ != NORMAL_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+ }
+
+ /*
+ * LRAM Test - It takes about 1.5 ms to run through the test.
+ *
+ * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
+ * If Done bit not set or Status not 0, save register byte, set the
+ * err_code, and return an error.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before checking status. */
+
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
+ /* Get here if Done bit not set or Status not 0. */
+ asc_dvc->bist_err_code = byte; /* for BIOS display message */
+ asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
+ return ADV_ERROR;
+ }
+
+ /* We need to reset back to normal mode after LRAM test passes. */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+
+ err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
+ if (err) {
+ printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
+ fwname, err);
+ asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
+ return err;
+ }
+ if (fw->size < 4) {
+ printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
+ fw->size, fwname);
+ release_firmware(fw);
+ asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
+ return -EINVAL;
+ }
+ chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
+ (fw->data[1] << 8) | fw->data[0];
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
+ fw->size - 4, ADV_38C0800_MEMSIZE,
+ chksum);
+ release_firmware(fw);
+ if (asc_dvc->err_code)
+ return ADV_ERROR;
+
+ /*
+ * Restore the RISC memory BIOS region.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Calculate and write the microcode code checksum to the microcode
+ * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ */
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
+ AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
+ code_sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
+ for (word = begin_addr; word < end_addr; word += 2) {
+ code_sum += AdvReadWordAutoIncLram(iop_base);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+
+ /*
+ * Read microcode version and date.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
+ asc_dvc->cfg->mcode_date);
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
+ asc_dvc->cfg->mcode_version);
+
+ /*
+ * Set the chip type to indicate the ASC38C0800.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800);
+
+ /*
+ * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
+ * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
+ * cable detection and then we are able to read C_DET[3:0].
+ *
+ * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
+ * Microcode Default Value' section below.
+ */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+ AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
+ scsi_cfg1 | DIS_TERM_DRV);
+
+ /*
+ * If the PCI Configuration Command Register "Parity Error Response
+ * Control" Bit was clear (0), then set the microcode variable
+ * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
+ * to ignore DMA parity errors.
+ */
+ if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_IGNORE_PERR;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * For ASC-38C0800, set FIFO_THRESH_80B [6:4] bits and START_CTL_TH [3:2]
+ * bits for the default FIFO threshold.
+ *
+ * Note: ASC-38C0800 FIFO threshold has been changed to 256 bytes.
+ *
+ * For DMA Errata #4 set the BC_THRESH_ENB bit.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
+ BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH |
+ READ_CMD_MRM);
+
+ /*
+ * Microcode operating variables for WDTR, SDTR, and command tag
+ * queuing will be set in slave_configure() based on what a
+ * device reports it is capable of in Inquiry byte 7.
+ *
+ * If SCSI Bus Resets have been disabled, then directly set
+ * SDTR and WDTR from the EEPROM configuration. This will allow
+ * the BIOS and warm boot to work without a SCSI bus hang on
+ * the Inquiry caused by host and target mismatched DTR values.
+ * Without the SCSI Bus Reset, before an Inquiry a device can't
+ * be assumed to be in Asynchronous, Narrow mode.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
+ asc_dvc->wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
+ asc_dvc->sdtr_able);
+ }
+
+ /*
+ * Set microcode operating variables for DISC and SDTR_SPEED1,
+ * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
+ * configuration values.
+ *
+ * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
+ * without determining here whether the device supports SDTR.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
+ asc_dvc->cfg->disc_enable);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
+
+ /*
+ * Set SCSI_CFG0 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG0 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
+ PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
+ asc_dvc->chip_scsi_id);
+
+ /*
+ * Determine SCSI_CFG1 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+
+ /* Read current SCSI_CFG1 Register value. */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+
+ /*
+ * If the internal narrow cable is reversed all of the SCSI_CTRL
+ * register signals will be set. Check for and return an error if
+ * this condition is found.
+ */
+ if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
+ asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * All kind of combinations of devices attached to one of four
+ * connectors are acceptable except HVD device attached. For example,
+ * LVD device can be attached to SE connector while SE device attached
+ * to LVD connector. If LVD device attached to SE connector, it only
+ * runs up to Ultra speed.
+ *
+ * If an HVD device is attached to one of LVD connectors, return an
+ * error. However, there is no way to detect HVD device attached to
+ * SE connectors.
+ */
+ if (scsi_cfg1 & HVD) {
+ asc_dvc->err_code = ASC_IERR_HVD_DEVICE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * If either SE or LVD automatic termination control is enabled, then
+ * set the termination value based on a table listed in a_condor.h.
+ *
+ * If manual termination was specified with an EEPROM setting then
+ * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready
+ * to be 'ored' into SCSI_CFG1.
+ */
+ if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
+ /* SE automatic termination control is enabled. */
+ switch (scsi_cfg1 & C_DET_SE) {
+ /* TERM_SE_HI: on, TERM_SE_LO: on */
+ case 0x1:
+ case 0x2:
+ case 0x3:
+ asc_dvc->cfg->termination |= TERM_SE;
+ break;
+
+ /* TERM_SE_HI: on, TERM_SE_LO: off */
+ case 0x0:
+ asc_dvc->cfg->termination |= TERM_SE_HI;
+ break;
+ }
+ }
+
+ if ((asc_dvc->cfg->termination & TERM_LVD) == 0) {
+ /* LVD automatic termination control is enabled. */
+ switch (scsi_cfg1 & C_DET_LVD) {
+ /* TERM_LVD_HI: on, TERM_LVD_LO: on */
+ case 0x4:
+ case 0x8:
+ case 0xC:
+ asc_dvc->cfg->termination |= TERM_LVD;
+ break;
+
+ /* TERM_LVD_HI: off, TERM_LVD_LO: off */
+ case 0x0:
+ break;
+ }
+ }
+
+ /*
+ * Clear any set TERM_SE and TERM_LVD bits.
+ */
+ scsi_cfg1 &= (~TERM_SE & ~TERM_LVD);
+
+ /*
+ * Invert the TERM_SE and TERM_LVD bits and then set 'scsi_cfg1'.
+ */
+ scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0);
+
+ /*
+ * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE
+ * bits and set possibly modified termination control bits in the
+ * Microcode SCSI_CFG1 Register Value.
+ */
+ scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE);
+
+ /*
+ * Set SCSI_CFG1 Microcode Default Value
+ *
+ * Set possibly modified termination control and reset DIS_TERM_DRV
+ * bits in the Microcode SCSI_CFG1 Register Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
+
+ /*
+ * Set MEM_CFG Microcode Default Value
+ *
+ * The microcode will set the MEM_CFG register using this value
+ * after it is started below.
+ *
+ * MEM_CFG may be accessed as a word or byte, but only bits 0-7
+ * are defined.
+ *
+ * ASC-38C0800 has 16KB internal memory.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ BIOS_EN | RAM_SZ_16KB);
+
+ /*
+ * Set SEL_MASK Microcode Default Value
+ *
+ * The microcode will set the SEL_MASK register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
+ ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
+
+ AdvBuildCarrierFreelist(asc_dvc);
+
+ /*
+ * Set-up the Host->RISC Initiator Command Queue (ICQ).
+ */
+
+ if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+
+ /*
+ * The first command issued will be placed in the stopper carrier.
+ */
+ asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC ICQ physical address start value.
+ * carr_pa is LE, must be native before write
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+
+ /*
+ * Set-up the RISC->Host Initiator Response Queue (IRQ).
+ */
+ if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+
+ /*
+ * The first command completed by the RISC will be placed in
+ * the stopper.
+ *
+ * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
+ * completed the RISC will set the ASC_RQ_STOPPER bit.
+ */
+ asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC IRQ physical address start value.
+ *
+ * carr_pa is LE, must be native before write *
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
+ asc_dvc->carr_pending_cnt = 0;
+
+ AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
+ (ADV_INTR_ENABLE_HOST_INTR |
+ ADV_INTR_ENABLE_GLOBAL_INTR));
+
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
+ AdvWriteWordRegister(iop_base, IOPW_PC, word);
+
+ /* finally, finally, gentlemen, start your engine */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+
+ /*
+ * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
+ * Resets should be performed. The RISC has to be running
+ * to issue a SCSI Bus Reset.
+ */
+ if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
+ /*
+ * If the BIOS Signature is present in memory, restore the
+ * BIOS Handshake Configuration Table and do not perform
+ * a SCSI Bus Reset.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
+ 0x55AA) {
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+ } else {
+ if (AdvResetSB(asc_dvc) != ADV_TRUE) {
+ warn_code = ASC_WARN_BUSRESET_ERROR;
+ }
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Initialize the ASC-38C1600.
+ *
+ * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Needed after initialization for error recovery.
+ */
+static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
+{
+ const struct firmware *fw;
+ const char fwname[] = "advansys/38C1600.bin";
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ int begin_addr;
+ int end_addr;
+ ushort code_sum;
+ long word;
+ int i;
+ int err;
+ unsigned long chksum;
+ ushort scsi_cfg1;
+ uchar byte;
+ uchar tid;
+ ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
+ ushort wdtr_able, sdtr_able, ppr_able, tagqng_able;
+ uchar max_cmd[ASC_MAX_TID + 1];
+
+ /* If there is already an error, don't continue. */
+ if (asc_dvc->err_code != 0) {
+ return ADV_ERROR;
+ }
+
+ /*
+ * The caller must set 'chip_type' to ADV_CHIP_ASC38C1600.
+ */
+ if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
+ asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
+
+ warn_code = 0;
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save the RISC memory BIOS region before writing the microcode.
+ * The BIOS may already be loaded and using its RISC LRAM region
+ * so its region must be saved and restored.
+ *
+ * Note: This code makes the assumption, which is currently true,
+ * that a chip reset does not clear RISC LRAM.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ASC_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ /*
+ * RAM BIST (Built-In Self Test)
+ *
+ * Address : I/O base + offset 0x38h register (byte).
+ * Function: Bit 7-6(RW) : RAM mode
+ * Normal Mode : 0x00
+ * Pre-test Mode : 0x40
+ * RAM Test Mode : 0x80
+ * Bit 5 : unused
+ * Bit 4(RO) : Done bit
+ * Bit 3-0(RO) : Status
+ * Host Error : 0x08
+ * Int_RAM Error : 0x04
+ * RISC Error : 0x02
+ * SCSI Error : 0x01
+ * No Error : 0x00
+ *
+ * Note: RAM BIST code should be put right here, before loading the
+ * microcode and after saving the RISC memory BIOS region.
+ */
+
+ /*
+ * LRAM Pre-test
+ *
+ * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
+ * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
+ * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
+ * to NORMAL_MODE, return an error too.
+ */
+ for (i = 0; i < 2; i++) {
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0
+ || (byte & 0x0F) != PRE_TEST_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+ mdelay(10); /* Wait for 10ms before reading back. */
+ if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
+ != NORMAL_VALUE) {
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
+ return ADV_ERROR;
+ }
+ }
+
+ /*
+ * LRAM Test - It takes about 1.5 ms to run through the test.
+ *
+ * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
+ * If Done bit not set or Status not 0, save register byte, set the
+ * err_code, and return an error.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
+ mdelay(10); /* Wait for 10ms before checking status. */
+
+ byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
+ if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
+ /* Get here if Done bit not set or Status not 0. */
+ asc_dvc->bist_err_code = byte; /* for BIOS display message */
+ asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
+ return ADV_ERROR;
+ }
+
+ /* We need to reset back to normal mode after LRAM test passes. */
+ AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
+
+ err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
+ if (err) {
+ printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
+ fwname, err);
+ asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
+ return err;
+ }
+ if (fw->size < 4) {
+ printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
+ fw->size, fwname);
+ release_firmware(fw);
+ asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
+ return -EINVAL;
+ }
+ chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
+ (fw->data[1] << 8) | fw->data[0];
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
+ fw->size - 4, ADV_38C1600_MEMSIZE,
+ chksum);
+ release_firmware(fw);
+ if (asc_dvc->err_code)
+ return ADV_ERROR;
+
+ /*
+ * Restore the RISC memory BIOS region.
+ */
+ for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
+ AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
+ bios_mem[i]);
+ }
+
+ /*
+ * Calculate and write the microcode code checksum to the microcode
+ * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
+ */
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
+ AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
+ code_sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
+ for (word = begin_addr; word < end_addr; word += 2) {
+ code_sum += AdvReadWordAutoIncLram(iop_base);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
+
+ /*
+ * Read microcode version and date.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
+ asc_dvc->cfg->mcode_date);
+ AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
+ asc_dvc->cfg->mcode_version);
+
+ /*
+ * Set the chip type to indicate the ASC38C1600.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600);
+
+ /*
+ * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
+ * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
+ * cable detection and then we are able to read C_DET[3:0].
+ *
+ * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
+ * Microcode Default Value' section below.
+ */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+ AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
+ scsi_cfg1 | DIS_TERM_DRV);
+
+ /*
+ * If the PCI Configuration Command Register "Parity Error Response
+ * Control" Bit was clear (0), then set the microcode variable
+ * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
+ * to ignore DMA parity errors.
+ */
+ if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_IGNORE_PERR;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * If the BIOS control flag AIPP (Asynchronous Information
+ * Phase Protection) disable bit is not set, then set the firmware
+ * 'control_flag' CONTROL_FLAG_ENABLE_AIPP bit to enable
+ * AIPP checking and encoding.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) {
+ AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ word |= CONTROL_FLAG_ENABLE_AIPP;
+ AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
+ }
+
+ /*
+ * For ASC-38C1600 use DMA_CFG0 default values: FIFO_THRESH_80B [6:4],
+ * and START_CTL_TH [3:2].
+ */
+ AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
+ FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM);
+
+ /*
+ * Microcode operating variables for WDTR, SDTR, and command tag
+ * queuing will be set in slave_configure() based on what a
+ * device reports it is capable of in Inquiry byte 7.
+ *
+ * If SCSI Bus Resets have been disabled, then directly set
+ * SDTR and WDTR from the EEPROM configuration. This will allow
+ * the BIOS and warm boot to work without a SCSI bus hang on
+ * the Inquiry caused by host and target mismatched DTR values.
+ * Without the SCSI Bus Reset, before an Inquiry a device can't
+ * be assumed to be in Asynchronous, Narrow mode.
+ */
+ if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
+ asc_dvc->wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
+ asc_dvc->sdtr_able);
+ }
+
+ /*
+ * Set microcode operating variables for DISC and SDTR_SPEED1,
+ * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
+ * configuration values.
+ *
+ * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
+ * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
+ * without determining here whether the device supports SDTR.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
+ asc_dvc->cfg->disc_enable);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
+
+ /*
+ * Set SCSI_CFG0 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG0 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
+ PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
+ asc_dvc->chip_scsi_id);
+
+ /*
+ * Calculate SCSI_CFG1 Microcode Default Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ *
+ * Each ASC-38C1600 function has only two cable detect bits.
+ * The bus mode override bits are in IOPB_SOFT_OVER_WR.
+ */
+ scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
+
+ /*
+ * If the cable is reversed all of the SCSI_CTRL register signals
+ * will be set. Check for and return an error if this condition is
+ * found.
+ */
+ if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
+ asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * Each ASC-38C1600 function has two connectors. Only an HVD device
+ * can not be connected to either connector. An LVD device or SE device
+ * may be connected to either connecor. If an SE device is connected,
+ * then at most Ultra speed (20 Mhz) can be used on both connectors.
+ *
+ * If an HVD device is attached, return an error.
+ */
+ if (scsi_cfg1 & HVD) {
+ asc_dvc->err_code |= ASC_IERR_HVD_DEVICE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * Each function in the ASC-38C1600 uses only the SE cable detect and
+ * termination because there are two connectors for each function. Each
+ * function may use either LVD or SE mode. Corresponding the SE automatic
+ * termination control EEPROM bits are used for each function. Each
+ * function has its own EEPROM. If SE automatic control is enabled for
+ * the function, then set the termination value based on a table listed
+ * in a_condor.h.
+ *
+ * If manual termination is specified in the EEPROM for the function,
+ * then 'termination' was set-up in AscInitFrom38C1600EEPROM() and is
+ * ready to be 'ored' into SCSI_CFG1.
+ */
+ if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
+ struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
+ /* SE automatic termination control is enabled. */
+ switch (scsi_cfg1 & C_DET_SE) {
+ /* TERM_SE_HI: on, TERM_SE_LO: on */
+ case 0x1:
+ case 0x2:
+ case 0x3:
+ asc_dvc->cfg->termination |= TERM_SE;
+ break;
+
+ case 0x0:
+ if (PCI_FUNC(pdev->devfn) == 0) {
+ /* Function 0 - TERM_SE_HI: off, TERM_SE_LO: off */
+ } else {
+ /* Function 1 - TERM_SE_HI: on, TERM_SE_LO: off */
+ asc_dvc->cfg->termination |= TERM_SE_HI;
+ }
+ break;
+ }
+ }
+
+ /*
+ * Clear any set TERM_SE bits.
+ */
+ scsi_cfg1 &= ~TERM_SE;
+
+ /*
+ * Invert the TERM_SE bits and then set 'scsi_cfg1'.
+ */
+ scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE);
+
+ /*
+ * Clear Big Endian and Terminator Polarity bits and set possibly
+ * modified termination control bits in the Microcode SCSI_CFG1
+ * Register Value.
+ *
+ * Big Endian bit is not used even on big endian machines.
+ */
+ scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL);
+
+ /*
+ * Set SCSI_CFG1 Microcode Default Value
+ *
+ * Set possibly modified termination control bits in the Microcode
+ * SCSI_CFG1 Register Value.
+ *
+ * The microcode will set the SCSI_CFG1 register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
+
+ /*
+ * Set MEM_CFG Microcode Default Value
+ *
+ * The microcode will set the MEM_CFG register using this value
+ * after it is started below.
+ *
+ * MEM_CFG may be accessed as a word or byte, but only bits 0-7
+ * are defined.
+ *
+ * ASC-38C1600 has 32KB internal memory.
+ *
+ * XXX - Since ASC38C1600 Rev.3 has a Local RAM failure issue, we come
+ * out a special 16K Adv Library and Microcode version. After the issue
+ * resolved, we should turn back to the 32K support. Both a_condor.h and
+ * mcode.sas files also need to be updated.
+ *
+ * AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ * BIOS_EN | RAM_SZ_32KB);
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
+ BIOS_EN | RAM_SZ_16KB);
+
+ /*
+ * Set SEL_MASK Microcode Default Value
+ *
+ * The microcode will set the SEL_MASK register using this value
+ * after it is started below.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
+ ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
+
+ AdvBuildCarrierFreelist(asc_dvc);
+
+ /*
+ * Set-up the Host->RISC Initiator Command Queue (ICQ).
+ */
+ if ((asc_dvc->icq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->icq_sp->next_vpa));
+
+ /*
+ * The first command issued will be placed in the stopper carrier.
+ */
+ asc_dvc->icq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC ICQ physical address start value. Initialize the
+ * COMMA register to the same value otherwise the RISC will
+ * prematurely detect a command is available.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
+ AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
+ le32_to_cpu(asc_dvc->icq_sp->carr_pa));
+
+ /*
+ * Set-up the RISC->Host Initiator Response Queue (IRQ).
+ */
+ if ((asc_dvc->irq_sp = asc_dvc->carr_freelist) == NULL) {
+ asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
+ return ADV_ERROR;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->next_vpa));
+
+ /*
+ * The first command completed by the RISC will be placed in
+ * the stopper.
+ *
+ * Note: Set 'next_vpa' to ASC_CQ_STOPPER. When the request is
+ * completed the RISC will set the ASC_RQ_STOPPER bit.
+ */
+ asc_dvc->irq_sp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Set RISC IRQ physical address start value.
+ */
+ AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
+ asc_dvc->carr_pending_cnt = 0;
+
+ AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
+ (ADV_INTR_ENABLE_HOST_INTR |
+ ADV_INTR_ENABLE_GLOBAL_INTR));
+ AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
+ AdvWriteWordRegister(iop_base, IOPW_PC, word);
+
+ /* finally, finally, gentlemen, start your engine */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
+
+ /*
+ * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
+ * Resets should be performed. The RISC has to be running
+ * to issue a SCSI Bus Reset.
+ */
+ if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
+ /*
+ * If the BIOS Signature is present in memory, restore the
+ * per TID microcode operating variables.
+ */
+ if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
+ 0x55AA) {
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ tagqng_able);
+ for (tid = 0; tid <= ASC_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+ } else {
+ if (AdvResetSB(asc_dvc) != ADV_TRUE) {
+ warn_code = ASC_WARN_BUSRESET_ERROR;
+ }
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Reset chip and SCSI Bus.
+ *
+ * Return Value:
+ * ADV_TRUE(1) - Chip re-initialization and SCSI Bus Reset successful.
+ * ADV_FALSE(0) - Chip re-initialization and SCSI Bus Reset failure.
+ */
+static int AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc)
+{
+ int status;
+ ushort wdtr_able, sdtr_able, tagqng_able;
+ ushort ppr_able = 0;
+ uchar tid, max_cmd[ADV_MAX_TID + 1];
+ AdvPortAddr iop_base;
+ ushort bios_sig;
+
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Save current per TID negotiated values.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ }
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ /*
+ * Force the AdvInitAsc3550/38C0800Driver() function to
+ * perform a SCSI Bus Reset by clearing the BIOS signature word.
+ * The initialization functions assumes a SCSI Bus Reset is not
+ * needed if the BIOS signature word is present.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
+ AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0);
+
+ /*
+ * Stop chip and reset it.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP);
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET);
+ mdelay(100);
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
+ ADV_CTRL_REG_CMD_WR_IO_REG);
+
+ /*
+ * Reset Adv Library error code, if any, and try
+ * re-initializing the chip.
+ */
+ asc_dvc->err_code = 0;
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ status = AdvInitAsc38C1600Driver(asc_dvc);
+ } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ status = AdvInitAsc38C0800Driver(asc_dvc);
+ } else {
+ status = AdvInitAsc3550Driver(asc_dvc);
+ }
+
+ /* Translate initialization return value to status value. */
+ if (status == 0) {
+ status = ADV_TRUE;
+ } else {
+ status = ADV_FALSE;
+ }
+
+ /*
+ * Restore the BIOS signature word.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
+
+ /*
+ * Restore per TID negotiated values.
+ */
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
+ }
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
+ max_cmd[tid]);
+ }
+
+ return status;
+}
+
+/*
+ * adv_async_callback() - Adv Library asynchronous event callback function.
+ */
+static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code)
+{
+ switch (code) {
+ case ADV_ASYNC_SCSI_BUS_RESET_DET:
+ /*
+ * The firmware detected a SCSI Bus reset.
+ */
+ ASC_DBG(0, "ADV_ASYNC_SCSI_BUS_RESET_DET\n");
+ break;
+
+ case ADV_ASYNC_RDMA_FAILURE:
+ /*
+ * Handle RDMA failure by resetting the SCSI Bus and
+ * possibly the chip if it is unresponsive. Log the error
+ * with a unique code.
+ */
+ ASC_DBG(0, "ADV_ASYNC_RDMA_FAILURE\n");
+ AdvResetChipAndSB(adv_dvc_varp);
+ break;
+
+ case ADV_HOST_SCSI_BUS_RESET:
+ /*
+ * Host generated SCSI bus reset occurred.
+ */
+ ASC_DBG(0, "ADV_HOST_SCSI_BUS_RESET\n");
+ break;
+
+ default:
+ ASC_DBG(0, "unknown code 0x%x\n", code);
+ break;
+ }
+}
+
+/*
+ * adv_isr_callback() - Second Level Interrupt Handler called by AdvISR().
+ *
+ * Callback function for the Wide SCSI Adv Library.
+ */
+static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp)
+{
+ struct asc_board *boardp;
+ adv_req_t *reqp;
+ adv_sgblk_t *sgblkp;
+ struct scsi_cmnd *scp;
+ struct Scsi_Host *shost;
+ ADV_DCNT resid_cnt;
+
+ ASC_DBG(1, "adv_dvc_varp 0x%lx, scsiqp 0x%lx\n",
+ (ulong)adv_dvc_varp, (ulong)scsiqp);
+ ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
+
+ /*
+ * Get the adv_req_t structure for the command that has been
+ * completed. The adv_req_t structure actually contains the
+ * completed ADV_SCSI_REQ_Q structure.
+ */
+ reqp = (adv_req_t *)ADV_U32_TO_VADDR(scsiqp->srb_ptr);
+ ASC_DBG(1, "reqp 0x%lx\n", (ulong)reqp);
+ if (reqp == NULL) {
+ ASC_PRINT("adv_isr_callback: reqp is NULL\n");
+ return;
+ }
+
+ /*
+ * Get the struct scsi_cmnd structure and Scsi_Host structure for the
+ * command that has been completed.
+ *
+ * Note: The adv_req_t request structure and adv_sgblk_t structure,
+ * if any, are dropped, because a board structure pointer can not be
+ * determined.
+ */
+ scp = reqp->cmndp;
+ ASC_DBG(1, "scp 0x%p\n", scp);
+ if (scp == NULL) {
+ ASC_PRINT
+ ("adv_isr_callback: scp is NULL; adv_req_t dropped.\n");
+ return;
+ }
+ ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
+
+ shost = scp->device->host;
+ ASC_STATS(shost, callback);
+ ASC_DBG(1, "shost 0x%p\n", shost);
+
+ boardp = shost_priv(shost);
+ BUG_ON(adv_dvc_varp != &boardp->dvc_var.adv_dvc_var);
+
+ /*
+ * 'done_status' contains the command's ending status.
+ */
+ switch (scsiqp->done_status) {
+ case QD_NO_ERROR:
+ ASC_DBG(2, "QD_NO_ERROR\n");
+ scp->result = 0;
+
+ /*
+ * Check for an underrun condition.
+ *
+ * If there was no error and an underrun condition, then
+ * then return the number of underrun bytes.
+ */
+ resid_cnt = le32_to_cpu(scsiqp->data_cnt);
+ if (scsi_bufflen(scp) != 0 && resid_cnt != 0 &&
+ resid_cnt <= scsi_bufflen(scp)) {
+ ASC_DBG(1, "underrun condition %lu bytes\n",
+ (ulong)resid_cnt);
+ scsi_set_resid(scp, resid_cnt);
+ }
+ break;
+
+ case QD_WITH_ERROR:
+ ASC_DBG(2, "QD_WITH_ERROR\n");
+ switch (scsiqp->host_status) {
+ case QHSTA_NO_ERROR:
+ if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) {
+ ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
+ ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE);
+ /*
+ * Note: The 'status_byte()' macro used by
+ * target drivers defined in scsi.h shifts the
+ * status byte returned by host drivers right
+ * by 1 bit. This is why target drivers also
+ * use right shifted status byte definitions.
+ * For instance target drivers use
+ * CHECK_CONDITION, defined to 0x1, instead of
+ * the SCSI defined check condition value of
+ * 0x2. Host drivers are supposed to return
+ * the status byte as it is defined by SCSI.
+ */
+ scp->result = DRIVER_BYTE(DRIVER_SENSE) |
+ STATUS_BYTE(scsiqp->scsi_status);
+ } else {
+ scp->result = STATUS_BYTE(scsiqp->scsi_status);
+ }
+ break;
+
+ default:
+ /* Some other QHSTA error occurred. */
+ ASC_DBG(1, "host_status 0x%x\n", scsiqp->host_status);
+ scp->result = HOST_BYTE(DID_BAD_TARGET);
+ break;
+ }
+ break;
+
+ case QD_ABORTED_BY_HOST:
+ ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
+ scp->result =
+ HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status);
+ break;
+
+ default:
+ ASC_DBG(1, "done_status 0x%x\n", scsiqp->done_status);
+ scp->result =
+ HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status);
+ break;
+ }
+
+ /*
+ * If the 'init_tidmask' bit isn't already set for the target and the
+ * current request finished normally, then set the bit for the target
+ * to indicate that a device is present.
+ */
+ if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
+ scsiqp->done_status == QD_NO_ERROR &&
+ scsiqp->host_status == QHSTA_NO_ERROR) {
+ boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
+ }
+
+ asc_scsi_done(scp);
+
+ /*
+ * Free all 'adv_sgblk_t' structures allocated for the request.
+ */
+ while ((sgblkp = reqp->sgblkp) != NULL) {
+ /* Remove 'sgblkp' from the request list. */
+ reqp->sgblkp = sgblkp->next_sgblkp;
+
+ /* Add 'sgblkp' to the board free list. */
+ sgblkp->next_sgblkp = boardp->adv_sgblkp;
+ boardp->adv_sgblkp = sgblkp;
+ }
+
+ /*
+ * Free the adv_req_t structure used with the command by adding
+ * it back to the board free list.
+ */
+ reqp->next_reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp;
+
+ ASC_DBG(1, "done\n");
+}
+
+/*
+ * Adv Library Interrupt Service Routine
+ *
+ * This function is called by a driver's interrupt service routine.
+ * The function disables and re-enables interrupts.
+ *
+ * When a microcode idle command is completed, the ADV_DVC_VAR
+ * 'idle_cmd_done' field is set to ADV_TRUE.
+ *
+ * Note: AdvISR() can be called when interrupts are disabled or even
+ * when there is no hardware interrupt condition present. It will
+ * always check for completed idle commands and microcode requests.
+ * This is an important feature that shouldn't be changed because it
+ * allows commands to be completed from polling mode loops.
+ *
+ * Return:
+ * ADV_TRUE(1) - interrupt was pending
+ * ADV_FALSE(0) - no interrupt was pending
+ */
+static int AdvISR(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ uchar int_stat;
+ ushort target_bit;
+ ADV_CARR_T *free_carrp;
+ ADV_VADDR irq_next_vpa;
+ ADV_SCSI_REQ_Q *scsiq;
+
+ iop_base = asc_dvc->iop_base;
+
+ /* Reading the register clears the interrupt. */
+ int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG);
+
+ if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB |
+ ADV_INTR_STATUS_INTRC)) == 0) {
+ return ADV_FALSE;
+ }
+
+ /*
+ * Notify the driver of an asynchronous microcode condition by
+ * calling the adv_async_callback function. The function
+ * is passed the microcode ASC_MC_INTRB_CODE byte value.
+ */
+ if (int_stat & ADV_INTR_STATUS_INTRB) {
+ uchar intrb_code;
+
+ AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code);
+
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
+ asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE &&
+ asc_dvc->carr_pending_cnt != 0) {
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE,
+ ADV_TICKLE_A);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ AdvWriteByteRegister(iop_base,
+ IOPB_TICKLE,
+ ADV_TICKLE_NOP);
+ }
+ }
+ }
+
+ adv_async_callback(asc_dvc, intrb_code);
+ }
+
+ /*
+ * Check if the IRQ stopper carrier contains a completed request.
+ */
+ while (((irq_next_vpa =
+ le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ASC_RQ_DONE) != 0) {
+ /*
+ * Get a pointer to the newly completed ADV_SCSI_REQ_Q structure.
+ * The RISC will have set 'areq_vpa' to a virtual address.
+ *
+ * The firmware will have copied the ASC_SCSI_REQ_Q.scsiq_ptr
+ * field to the carrier ADV_CARR_T.areq_vpa field. The conversion
+ * below complements the conversion of ASC_SCSI_REQ_Q.scsiq_ptr'
+ * in AdvExeScsiQueue().
+ */
+ scsiq = (ADV_SCSI_REQ_Q *)
+ ADV_U32_TO_VADDR(le32_to_cpu(asc_dvc->irq_sp->areq_vpa));
+
+ /*
+ * Request finished with good status and the queue was not
+ * DMAed to host memory by the firmware. Set all status fields
+ * to indicate good status.
+ */
+ if ((irq_next_vpa & ASC_RQ_GOOD) != 0) {
+ scsiq->done_status = QD_NO_ERROR;
+ scsiq->host_status = scsiq->scsi_status = 0;
+ scsiq->data_cnt = 0L;
+ }
+
+ /*
+ * Advance the stopper pointer to the next carrier
+ * ignoring the lower four bits. Free the previous
+ * stopper carrier.
+ */
+ free_carrp = asc_dvc->irq_sp;
+ asc_dvc->irq_sp = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(ASC_GET_CARRP(irq_next_vpa));
+
+ free_carrp->next_vpa =
+ cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
+ asc_dvc->carr_freelist = free_carrp;
+ asc_dvc->carr_pending_cnt--;
+
+ target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id);
+
+ /*
+ * Clear request microcode control flag.
+ */
+ scsiq->cntl = 0;
+
+ /*
+ * Notify the driver of the completed request by passing
+ * the ADV_SCSI_REQ_Q pointer to its callback function.
+ */
+ scsiq->a_flag |= ADV_SCSIQ_DONE;
+ adv_isr_callback(asc_dvc, scsiq);
+ /*
+ * Note: After the driver callback function is called, 'scsiq'
+ * can no longer be referenced.
+ *
+ * Fall through and continue processing other completed
+ * requests...
+ */
+ }
+ return ADV_TRUE;
+}
+
+static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code)
+{
+ if (asc_dvc->err_code == 0) {
+ asc_dvc->err_code = err_code;
+ AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W,
+ err_code);
+ }
+ return err_code;
+}
+
+static void AscAckInterrupt(PortAddr iop_base)
+{
+ uchar host_flag;
+ uchar risc_flag;
+ ushort loop;
+
+ loop = 0;
+ do {
+ risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B);
+ if (loop++ > 0x7FFF) {
+ break;
+ }
+ } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0);
+ host_flag =
+ AscReadLramByte(iop_base,
+ ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT);
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
+ (uchar)(host_flag | ASC_HOST_FLAG_ACK_INT));
+ AscSetChipStatus(iop_base, CIW_INT_ACK);
+ loop = 0;
+ while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) {
+ AscSetChipStatus(iop_base, CIW_INT_ACK);
+ if (loop++ > 3) {
+ break;
+ }
+ }
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
+}
+
+static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
+{
+ const uchar *period_table;
+ int max_index;
+ int min_index;
+ int i;
+
+ period_table = asc_dvc->sdtr_period_tbl;
+ max_index = (int)asc_dvc->max_sdtr_index;
+ min_index = (int)asc_dvc->min_sdtr_index;
+ if ((syn_time <= period_table[max_index])) {
+ for (i = min_index; i < (max_index - 1); i++) {
+ if (syn_time <= period_table[i]) {
+ return (uchar)i;
+ }
+ }
+ return (uchar)max_index;
+ } else {
+ return (uchar)(max_index + 1);
+ }
+}
+
+static uchar
+AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
+{
+ EXT_MSG sdtr_buf;
+ uchar sdtr_period_index;
+ PortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+ sdtr_buf.msg_type = EXTENDED_MESSAGE;
+ sdtr_buf.msg_len = MS_SDTR_LEN;
+ sdtr_buf.msg_req = EXTENDED_SDTR;
+ sdtr_buf.xfer_period = sdtr_period;
+ sdtr_offset &= ASC_SYN_MAX_OFFSET;
+ sdtr_buf.req_ack_offset = sdtr_offset;
+ sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
+ if (sdtr_period_index <= asc_dvc->max_sdtr_index) {
+ AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
+ (uchar *)&sdtr_buf,
+ sizeof(EXT_MSG) >> 1);
+ return ((sdtr_period_index << 4) | sdtr_offset);
+ } else {
+ sdtr_buf.req_ack_offset = 0;
+ AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
+ (uchar *)&sdtr_buf,
+ sizeof(EXT_MSG) >> 1);
+ return 0;
+ }
+}
+
+static uchar
+AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset)
+{
+ uchar byte;
+ uchar sdtr_period_ix;
+
+ sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
+ if (sdtr_period_ix > asc_dvc->max_sdtr_index)
+ return 0xFF;
+ byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET);
+ return byte;
+}
+
+static int AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data)
+{
+ ASC_SCSI_BIT_ID_TYPE org_id;
+ int i;
+ int sta = TRUE;
+
+ AscSetBank(iop_base, 1);
+ org_id = AscReadChipDvcID(iop_base);
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ if (org_id == (0x01 << i))
+ break;
+ }
+ org_id = (ASC_SCSI_BIT_ID_TYPE) i;
+ AscWriteChipDvcID(iop_base, id);
+ if (AscReadChipDvcID(iop_base) == (0x01 << id)) {
+ AscSetBank(iop_base, 0);
+ AscSetChipSyn(iop_base, sdtr_data);
+ if (AscGetChipSyn(iop_base) != sdtr_data) {
+ sta = FALSE;
+ }
+ } else {
+ sta = FALSE;
+ }
+ AscSetBank(iop_base, 1);
+ AscWriteChipDvcID(iop_base, org_id);
+ AscSetBank(iop_base, 0);
+ return (sta);
+}
+
+static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no)
+{
+ AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
+ AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data);
+}
+
+static int AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
+{
+ EXT_MSG ext_msg;
+ EXT_MSG out_msg;
+ ushort halt_q_addr;
+ int sdtr_accept;
+ ushort int_halt_code;
+ ASC_SCSI_BIT_ID_TYPE scsi_busy;
+ ASC_SCSI_BIT_ID_TYPE target_id;
+ PortAddr iop_base;
+ uchar tag_code;
+ uchar q_status;
+ uchar halt_qp;
+ uchar sdtr_data;
+ uchar target_ix;
+ uchar q_cntl, tid_no;
+ uchar cur_dvc_qng;
+ uchar asyn_sdtr;
+ uchar scsi_status;
+ struct asc_board *boardp;
+
+ BUG_ON(!asc_dvc->drv_ptr);
+ boardp = asc_dvc->drv_ptr;
+
+ iop_base = asc_dvc->iop_base;
+ int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W);
+
+ halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B);
+ halt_q_addr = ASC_QNO_TO_QADDR(halt_qp);
+ target_ix = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_TARGET_IX));
+ q_cntl = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL));
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no);
+ if (asc_dvc->pci_fix_asyn_xfer & target_id) {
+ asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB;
+ } else {
+ asyn_sdtr = 0;
+ }
+ if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) {
+ if (asc_dvc->pci_fix_asyn_xfer & target_id) {
+ AscSetChipSDTR(iop_base, 0, tid_no);
+ boardp->sdtr_data[tid_no] = 0;
+ }
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) {
+ if (asc_dvc->pci_fix_asyn_xfer & target_id) {
+ AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
+ boardp->sdtr_data[tid_no] = asyn_sdtr;
+ }
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_EXTMSG_IN) {
+ AscMemWordCopyPtrFromLram(iop_base,
+ ASCV_MSGIN_BEG,
+ (uchar *)&ext_msg,
+ sizeof(EXT_MSG) >> 1);
+
+ if (ext_msg.msg_type == EXTENDED_MESSAGE &&
+ ext_msg.msg_req == EXTENDED_SDTR &&
+ ext_msg.msg_len == MS_SDTR_LEN) {
+ sdtr_accept = TRUE;
+ if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {
+
+ sdtr_accept = FALSE;
+ ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET;
+ }
+ if ((ext_msg.xfer_period <
+ asc_dvc->sdtr_period_tbl[asc_dvc->min_sdtr_index])
+ || (ext_msg.xfer_period >
+ asc_dvc->sdtr_period_tbl[asc_dvc->
+ max_sdtr_index])) {
+ sdtr_accept = FALSE;
+ ext_msg.xfer_period =
+ asc_dvc->sdtr_period_tbl[asc_dvc->
+ min_sdtr_index];
+ }
+ if (sdtr_accept) {
+ sdtr_data =
+ AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
+ ext_msg.req_ack_offset);
+ if ((sdtr_data == 0xFF)) {
+
+ q_cntl |= QC_MSG_OUT;
+ asc_dvc->init_sdtr &= ~target_id;
+ asc_dvc->sdtr_done &= ~target_id;
+ AscSetChipSDTR(iop_base, asyn_sdtr,
+ tid_no);
+ boardp->sdtr_data[tid_no] = asyn_sdtr;
+ }
+ }
+ if (ext_msg.req_ack_offset == 0) {
+
+ q_cntl &= ~QC_MSG_OUT;
+ asc_dvc->init_sdtr &= ~target_id;
+ asc_dvc->sdtr_done &= ~target_id;
+ AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
+ } else {
+ if (sdtr_accept && (q_cntl & QC_MSG_OUT)) {
+ q_cntl &= ~QC_MSG_OUT;
+ asc_dvc->sdtr_done |= target_id;
+ asc_dvc->init_sdtr |= target_id;
+ asc_dvc->pci_fix_asyn_xfer &=
+ ~target_id;
+ sdtr_data =
+ AscCalSDTRData(asc_dvc,
+ ext_msg.xfer_period,
+ ext_msg.
+ req_ack_offset);
+ AscSetChipSDTR(iop_base, sdtr_data,
+ tid_no);
+ boardp->sdtr_data[tid_no] = sdtr_data;
+ } else {
+ q_cntl |= QC_MSG_OUT;
+ AscMsgOutSDTR(asc_dvc,
+ ext_msg.xfer_period,
+ ext_msg.req_ack_offset);
+ asc_dvc->pci_fix_asyn_xfer &=
+ ~target_id;
+ sdtr_data =
+ AscCalSDTRData(asc_dvc,
+ ext_msg.xfer_period,
+ ext_msg.
+ req_ack_offset);
+ AscSetChipSDTR(iop_base, sdtr_data,
+ tid_no);
+ boardp->sdtr_data[tid_no] = sdtr_data;
+ asc_dvc->sdtr_done |= target_id;
+ asc_dvc->init_sdtr |= target_id;
+ }
+ }
+
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL),
+ q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
+ ext_msg.msg_req == EXTENDED_WDTR &&
+ ext_msg.msg_len == MS_WDTR_LEN) {
+
+ ext_msg.wdtr_width = 0;
+ AscMemWordCopyPtrToLram(iop_base,
+ ASCV_MSGOUT_BEG,
+ (uchar *)&ext_msg,
+ sizeof(EXT_MSG) >> 1);
+ q_cntl |= QC_MSG_OUT;
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL),
+ q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else {
+
+ ext_msg.msg_type = MESSAGE_REJECT;
+ AscMemWordCopyPtrToLram(iop_base,
+ ASCV_MSGOUT_BEG,
+ (uchar *)&ext_msg,
+ sizeof(EXT_MSG) >> 1);
+ q_cntl |= QC_MSG_OUT;
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL),
+ q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ }
+ } else if (int_halt_code == ASC_HALT_CHK_CONDITION) {
+
+ q_cntl |= QC_REQ_SENSE;
+
+ if ((asc_dvc->init_sdtr & target_id) != 0) {
+
+ asc_dvc->sdtr_done &= ~target_id;
+
+ sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
+ q_cntl |= QC_MSG_OUT;
+ AscMsgOutSDTR(asc_dvc,
+ asc_dvc->
+ sdtr_period_tbl[(sdtr_data >> 4) &
+ (uchar)(asc_dvc->
+ max_sdtr_index -
+ 1)],
+ (uchar)(sdtr_data & (uchar)
+ ASC_SYN_MAX_OFFSET));
+ }
+
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
+
+ tag_code = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr + (ushort)
+ ASC_SCSIQ_B_TAG_CODE));
+ tag_code &= 0xDC;
+ if ((asc_dvc->pci_fix_asyn_xfer & target_id)
+ && !(asc_dvc->pci_fix_asyn_xfer_always & target_id)
+ ) {
+
+ tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT
+ | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX);
+
+ }
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_TAG_CODE),
+ tag_code);
+
+ q_status = AscReadLramByte(iop_base,
+ (ushort)(halt_q_addr + (ushort)
+ ASC_SCSIQ_B_STATUS));
+ q_status |= (QS_READY | QS_BUSY);
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_STATUS),
+ q_status);
+
+ scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B);
+ scsi_busy &= ~target_id;
+ AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy);
+
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) {
+
+ AscMemWordCopyPtrFromLram(iop_base,
+ ASCV_MSGOUT_BEG,
+ (uchar *)&out_msg,
+ sizeof(EXT_MSG) >> 1);
+
+ if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
+ (out_msg.msg_len == MS_SDTR_LEN) &&
+ (out_msg.msg_req == EXTENDED_SDTR)) {
+
+ asc_dvc->init_sdtr &= ~target_id;
+ asc_dvc->sdtr_done &= ~target_id;
+ AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
+ boardp->sdtr_data[tid_no] = asyn_sdtr;
+ }
+ q_cntl &= ~QC_MSG_OUT;
+ AscWriteLramByte(iop_base,
+ (ushort)(halt_q_addr +
+ (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) {
+
+ scsi_status = AscReadLramByte(iop_base,
+ (ushort)((ushort)halt_q_addr +
+ (ushort)
+ ASC_SCSIQ_SCSI_STATUS));
+ cur_dvc_qng =
+ AscReadLramByte(iop_base,
+ (ushort)((ushort)ASC_QADR_BEG +
+ (ushort)target_ix));
+ if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) {
+
+ scsi_busy = AscReadLramByte(iop_base,
+ (ushort)ASCV_SCSIBUSY_B);
+ scsi_busy |= target_id;
+ AscWriteLramByte(iop_base,
+ (ushort)ASCV_SCSIBUSY_B, scsi_busy);
+ asc_dvc->queue_full_or_busy |= target_id;
+
+ if (scsi_status == SAM_STAT_TASK_SET_FULL) {
+ if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) {
+ cur_dvc_qng -= 1;
+ asc_dvc->max_dvc_qng[tid_no] =
+ cur_dvc_qng;
+
+ AscWriteLramByte(iop_base,
+ (ushort)((ushort)
+ ASCV_MAX_DVC_QNG_BEG
+ + (ushort)
+ tid_no),
+ cur_dvc_qng);
+
+ /*
+ * Set the device queue depth to the
+ * number of active requests when the
+ * QUEUE FULL condition was encountered.
+ */
+ boardp->queue_full |= target_id;
+ boardp->queue_full_cnt[tid_no] =
+ cur_dvc_qng;
+ }
+ }
+ }
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ }
+#if CC_VERY_LONG_SG_LIST
+ else if (int_halt_code == ASC_HALT_HOST_COPY_SG_LIST_TO_RISC) {
+ uchar q_no;
+ ushort q_addr;
+ uchar sg_wk_q_no;
+ uchar first_sg_wk_q_no;
+ ASC_SCSI_Q *scsiq; /* Ptr to driver request. */
+ ASC_SG_HEAD *sg_head; /* Ptr to driver SG request. */
+ ASC_SG_LIST_Q scsi_sg_q; /* Structure written to queue. */
+ ushort sg_list_dwords;
+ ushort sg_entry_cnt;
+ uchar next_qp;
+ int i;
+
+ q_no = AscReadLramByte(iop_base, (ushort)ASCV_REQ_SG_LIST_QP);
+ if (q_no == ASC_QLINK_END)
+ return 0;
+
+ q_addr = ASC_QNO_TO_QADDR(q_no);
+
+ /*
+ * Convert the request's SRB pointer to a host ASC_SCSI_REQ
+ * structure pointer using a macro provided by the driver.
+ * The ASC_SCSI_REQ pointer provides a pointer to the
+ * host ASC_SG_HEAD structure.
+ */
+ /* Read request's SRB pointer. */
+ scsiq = (ASC_SCSI_Q *)
+ ASC_SRB2SCSIQ(ASC_U32_TO_VADDR(AscReadLramDWord(iop_base,
+ (ushort)
+ (q_addr +
+ ASC_SCSIQ_D_SRBPTR))));
+
+ /*
+ * Get request's first and working SG queue.
+ */
+ sg_wk_q_no = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_SG_WK_QP));
+
+ first_sg_wk_q_no = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_FIRST_SG_WK_QP));
+
+ /*
+ * Reset request's working SG queue back to the
+ * first SG queue.
+ */
+ AscWriteLramByte(iop_base,
+ (ushort)(q_addr +
+ (ushort)ASC_SCSIQ_B_SG_WK_QP),
+ first_sg_wk_q_no);
+
+ sg_head = scsiq->sg_head;
+
+ /*
+ * Set sg_entry_cnt to the number of SG elements
+ * that will be completed on this interrupt.
+ *
+ * Note: The allocated SG queues contain ASC_MAX_SG_LIST - 1
+ * SG elements. The data_cnt and data_addr fields which
+ * add 1 to the SG element capacity are not used when
+ * restarting SG handling after a halt.
+ */
+ if (scsiq->remain_sg_entry_cnt > (ASC_MAX_SG_LIST - 1)) {
+ sg_entry_cnt = ASC_MAX_SG_LIST - 1;
+
+ /*
+ * Keep track of remaining number of SG elements that
+ * will need to be handled on the next interrupt.
+ */
+ scsiq->remain_sg_entry_cnt -= (ASC_MAX_SG_LIST - 1);
+ } else {
+ sg_entry_cnt = scsiq->remain_sg_entry_cnt;
+ scsiq->remain_sg_entry_cnt = 0;
+ }
+
+ /*
+ * Copy SG elements into the list of allocated SG queues.
+ *
+ * Last index completed is saved in scsiq->next_sg_index.
+ */
+ next_qp = first_sg_wk_q_no;
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ scsi_sg_q.sg_head_qp = q_no;
+ scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
+ for (i = 0; i < sg_head->queue_cnt; i++) {
+ scsi_sg_q.seq_no = i + 1;
+ if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
+ sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
+ sg_entry_cnt -= ASC_SG_LIST_PER_Q;
+ /*
+ * After very first SG queue RISC FW uses next
+ * SG queue first element then checks sg_list_cnt
+ * against zero and then decrements, so set
+ * sg_list_cnt 1 less than number of SG elements
+ * in each SG queue.
+ */
+ scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1;
+ scsi_sg_q.sg_cur_list_cnt =
+ ASC_SG_LIST_PER_Q - 1;
+ } else {
+ /*
+ * This is the last SG queue in the list of
+ * allocated SG queues. If there are more
+ * SG elements than will fit in the allocated
+ * queues, then set the QCSG_SG_XFER_MORE flag.
+ */
+ if (scsiq->remain_sg_entry_cnt != 0) {
+ scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
+ } else {
+ scsi_sg_q.cntl |= QCSG_SG_XFER_END;
+ }
+ /* equals sg_entry_cnt * 2 */
+ sg_list_dwords = sg_entry_cnt << 1;
+ scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1;
+ scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1;
+ sg_entry_cnt = 0;
+ }
+
+ scsi_sg_q.q_no = next_qp;
+ AscMemWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
+ (uchar *)&scsi_sg_q,
+ sizeof(ASC_SG_LIST_Q) >> 1);
+
+ AscMemDWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SGQ_LIST_BEG,
+ (uchar *)&sg_head->
+ sg_list[scsiq->next_sg_index],
+ sg_list_dwords);
+
+ scsiq->next_sg_index += ASC_SG_LIST_PER_Q;
+
+ /*
+ * If the just completed SG queue contained the
+ * last SG element, then no more SG queues need
+ * to be written.
+ */
+ if (scsi_sg_q.cntl & QCSG_SG_XFER_END) {
+ break;
+ }
+
+ next_qp = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_FWD));
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ }
+
+ /*
+ * Clear the halt condition so the RISC will be restarted
+ * after the return.
+ */
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
+ return (0);
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ return (0);
+}
+
+/*
+ * void
+ * DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
+ *
+ * Calling/Exit State:
+ * none
+ *
+ * Description:
+ * Input an ASC_QDONE_INFO structure from the chip
+ */
+static void
+DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
+{
+ int i;
+ ushort word;
+
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ if (i == 10) {
+ continue;
+ }
+ word = inpw(iop_base + IOP_RAM_DATA);
+ inbuf[i] = word & 0xff;
+ inbuf[i + 1] = (word >> 8) & 0xff;
+ }
+ ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words);
+}
+
+static uchar
+_AscCopyLramScsiDoneQ(PortAddr iop_base,
+ ushort q_addr,
+ ASC_QDONE_INFO *scsiq, ASC_DCNT max_dma_count)
+{
+ ushort _val;
+ uchar sg_queue_cnt;
+
+ DvcGetQinfo(iop_base,
+ q_addr + ASC_SCSIQ_DONE_INFO_BEG,
+ (uchar *)scsiq,
+ (sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2);
+
+ _val = AscReadLramWord(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS));
+ scsiq->q_status = (uchar)_val;
+ scsiq->q_no = (uchar)(_val >> 8);
+ _val = AscReadLramWord(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL));
+ scsiq->cntl = (uchar)_val;
+ sg_queue_cnt = (uchar)(_val >> 8);
+ _val = AscReadLramWord(iop_base,
+ (ushort)(q_addr +
+ (ushort)ASC_SCSIQ_B_SENSE_LEN));
+ scsiq->sense_len = (uchar)_val;
+ scsiq->extra_bytes = (uchar)(_val >> 8);
+
+ /*
+ * Read high word of remain bytes from alternate location.
+ */
+ scsiq->remain_bytes = (((ADV_DCNT)AscReadLramWord(iop_base,
+ (ushort)(q_addr +
+ (ushort)
+ ASC_SCSIQ_W_ALT_DC1)))
+ << 16);
+ /*
+ * Read low word of remain bytes from original location.
+ */
+ scsiq->remain_bytes += AscReadLramWord(iop_base,
+ (ushort)(q_addr + (ushort)
+ ASC_SCSIQ_DW_REMAIN_XFER_CNT));
+
+ scsiq->remain_bytes &= max_dma_count;
+ return sg_queue_cnt;
+}
+
+/*
+ * asc_isr_callback() - Second Level Interrupt Handler called by AscISR().
+ *
+ * Interrupt callback function for the Narrow SCSI Asc Library.
+ */
+static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep)
+{
+ struct asc_board *boardp;
+ struct scsi_cmnd *scp;
+ struct Scsi_Host *shost;
+
+ ASC_DBG(1, "asc_dvc_varp 0x%p, qdonep 0x%p\n", asc_dvc_varp, qdonep);
+ ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep);
+
+ scp = advansys_srb_to_ptr(asc_dvc_varp, qdonep->d2.srb_ptr);
+ if (!scp)
+ return;
+
+ ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
+
+ shost = scp->device->host;
+ ASC_STATS(shost, callback);
+ ASC_DBG(1, "shost 0x%p\n", shost);
+
+ boardp = shost_priv(shost);
+ BUG_ON(asc_dvc_varp != &boardp->dvc_var.asc_dvc_var);
+
+ dma_unmap_single(boardp->dev, scp->SCp.dma_handle,
+ SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
+ /*
+ * 'qdonep' contains the command's ending status.
+ */
+ switch (qdonep->d3.done_stat) {
+ case QD_NO_ERROR:
+ ASC_DBG(2, "QD_NO_ERROR\n");
+ scp->result = 0;
+
+ /*
+ * Check for an underrun condition.
+ *
+ * If there was no error and an underrun condition, then
+ * return the number of underrun bytes.
+ */
+ if (scsi_bufflen(scp) != 0 && qdonep->remain_bytes != 0 &&
+ qdonep->remain_bytes <= scsi_bufflen(scp)) {
+ ASC_DBG(1, "underrun condition %u bytes\n",
+ (unsigned)qdonep->remain_bytes);
+ scsi_set_resid(scp, qdonep->remain_bytes);
+ }
+ break;
+
+ case QD_WITH_ERROR:
+ ASC_DBG(2, "QD_WITH_ERROR\n");
+ switch (qdonep->d3.host_stat) {
+ case QHSTA_NO_ERROR:
+ if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) {
+ ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
+ ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE);
+ /*
+ * Note: The 'status_byte()' macro used by
+ * target drivers defined in scsi.h shifts the
+ * status byte returned by host drivers right
+ * by 1 bit. This is why target drivers also
+ * use right shifted status byte definitions.
+ * For instance target drivers use
+ * CHECK_CONDITION, defined to 0x1, instead of
+ * the SCSI defined check condition value of
+ * 0x2. Host drivers are supposed to return
+ * the status byte as it is defined by SCSI.
+ */
+ scp->result = DRIVER_BYTE(DRIVER_SENSE) |
+ STATUS_BYTE(qdonep->d3.scsi_stat);
+ } else {
+ scp->result = STATUS_BYTE(qdonep->d3.scsi_stat);
+ }
+ break;
+
+ default:
+ /* QHSTA error occurred */
+ ASC_DBG(1, "host_stat 0x%x\n", qdonep->d3.host_stat);
+ scp->result = HOST_BYTE(DID_BAD_TARGET);
+ break;
+ }
+ break;
+
+ case QD_ABORTED_BY_HOST:
+ ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
+ scp->result =
+ HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.
+ scsi_msg) |
+ STATUS_BYTE(qdonep->d3.scsi_stat);
+ break;
+
+ default:
+ ASC_DBG(1, "done_stat 0x%x\n", qdonep->d3.done_stat);
+ scp->result =
+ HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.
+ scsi_msg) |
+ STATUS_BYTE(qdonep->d3.scsi_stat);
+ break;
+ }
+
+ /*
+ * If the 'init_tidmask' bit isn't already set for the target and the
+ * current request finished normally, then set the bit for the target
+ * to indicate that a device is present.
+ */
+ if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
+ qdonep->d3.done_stat == QD_NO_ERROR &&
+ qdonep->d3.host_stat == QHSTA_NO_ERROR) {
+ boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
+ }
+
+ asc_scsi_done(scp);
+}
+
+static int AscIsrQDone(ASC_DVC_VAR *asc_dvc)
+{
+ uchar next_qp;
+ uchar n_q_used;
+ uchar sg_list_qp;
+ uchar sg_queue_cnt;
+ uchar q_cnt;
+ uchar done_q_tail;
+ uchar tid_no;
+ ASC_SCSI_BIT_ID_TYPE scsi_busy;
+ ASC_SCSI_BIT_ID_TYPE target_id;
+ PortAddr iop_base;
+ ushort q_addr;
+ ushort sg_q_addr;
+ uchar cur_target_qng;
+ ASC_QDONE_INFO scsiq_buf;
+ ASC_QDONE_INFO *scsiq;
+ int false_overrun;
+
+ iop_base = asc_dvc->iop_base;
+ n_q_used = 1;
+ scsiq = (ASC_QDONE_INFO *)&scsiq_buf;
+ done_q_tail = (uchar)AscGetVarDoneQTail(iop_base);
+ q_addr = ASC_QNO_TO_QADDR(done_q_tail);
+ next_qp = AscReadLramByte(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD));
+ if (next_qp != ASC_QLINK_END) {
+ AscPutVarDoneQTail(iop_base, next_qp);
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq,
+ asc_dvc->max_dma_count);
+ AscWriteLramByte(iop_base,
+ (ushort)(q_addr +
+ (ushort)ASC_SCSIQ_B_STATUS),
+ (uchar)(scsiq->
+ q_status & (uchar)~(QS_READY |
+ QS_ABORTED)));
+ tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix);
+ target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix);
+ if ((scsiq->cntl & QC_SG_HEAD) != 0) {
+ sg_q_addr = q_addr;
+ sg_list_qp = next_qp;
+ for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) {
+ sg_list_qp = AscReadLramByte(iop_base,
+ (ushort)(sg_q_addr
+ + (ushort)
+ ASC_SCSIQ_B_FWD));
+ sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp);
+ if (sg_list_qp == ASC_QLINK_END) {
+ AscSetLibErrorCode(asc_dvc,
+ ASCQ_ERR_SG_Q_LINKS);
+ scsiq->d3.done_stat = QD_WITH_ERROR;
+ scsiq->d3.host_stat =
+ QHSTA_D_QDONE_SG_LIST_CORRUPTED;
+ goto FATAL_ERR_QDONE;
+ }
+ AscWriteLramByte(iop_base,
+ (ushort)(sg_q_addr + (ushort)
+ ASC_SCSIQ_B_STATUS),
+ QS_FREE);
+ }
+ n_q_used = sg_queue_cnt + 1;
+ AscPutVarDoneQTail(iop_base, sg_list_qp);
+ }
+ if (asc_dvc->queue_full_or_busy & target_id) {
+ cur_target_qng = AscReadLramByte(iop_base,
+ (ushort)((ushort)
+ ASC_QADR_BEG
+ + (ushort)
+ scsiq->d2.
+ target_ix));
+ if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) {
+ scsi_busy = AscReadLramByte(iop_base, (ushort)
+ ASCV_SCSIBUSY_B);
+ scsi_busy &= ~target_id;
+ AscWriteLramByte(iop_base,
+ (ushort)ASCV_SCSIBUSY_B,
+ scsi_busy);
+ asc_dvc->queue_full_or_busy &= ~target_id;
+ }
+ }
+ if (asc_dvc->cur_total_qng >= n_q_used) {
+ asc_dvc->cur_total_qng -= n_q_used;
+ if (asc_dvc->cur_dvc_qng[tid_no] != 0) {
+ asc_dvc->cur_dvc_qng[tid_no]--;
+ }
+ } else {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG);
+ scsiq->d3.done_stat = QD_WITH_ERROR;
+ goto FATAL_ERR_QDONE;
+ }
+ if ((scsiq->d2.srb_ptr == 0UL) ||
+ ((scsiq->q_status & QS_ABORTED) != 0)) {
+ return (0x11);
+ } else if (scsiq->q_status == QS_DONE) {
+ false_overrun = FALSE;
+ if (scsiq->extra_bytes != 0) {
+ scsiq->remain_bytes +=
+ (ADV_DCNT)scsiq->extra_bytes;
+ }
+ if (scsiq->d3.done_stat == QD_WITH_ERROR) {
+ if (scsiq->d3.host_stat ==
+ QHSTA_M_DATA_OVER_RUN) {
+ if ((scsiq->
+ cntl & (QC_DATA_IN | QC_DATA_OUT))
+ == 0) {
+ scsiq->d3.done_stat =
+ QD_NO_ERROR;
+ scsiq->d3.host_stat =
+ QHSTA_NO_ERROR;
+ } else if (false_overrun) {
+ scsiq->d3.done_stat =
+ QD_NO_ERROR;
+ scsiq->d3.host_stat =
+ QHSTA_NO_ERROR;
+ }
+ } else if (scsiq->d3.host_stat ==
+ QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) {
+ AscStopChip(iop_base);
+ AscSetChipControl(iop_base,
+ (uchar)(CC_SCSI_RESET
+ | CC_HALT));
+ udelay(60);
+ AscSetChipControl(iop_base, CC_HALT);
+ AscSetChipStatus(iop_base,
+ CIW_CLR_SCSI_RESET_INT);
+ AscSetChipStatus(iop_base, 0);
+ AscSetChipControl(iop_base, 0);
+ }
+ }
+ if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
+ asc_isr_callback(asc_dvc, scsiq);
+ } else {
+ if ((AscReadLramByte(iop_base,
+ (ushort)(q_addr + (ushort)
+ ASC_SCSIQ_CDB_BEG))
+ == START_STOP)) {
+ asc_dvc->unit_not_ready &= ~target_id;
+ if (scsiq->d3.done_stat != QD_NO_ERROR) {
+ asc_dvc->start_motor &=
+ ~target_id;
+ }
+ }
+ }
+ return (1);
+ } else {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS);
+ FATAL_ERR_QDONE:
+ if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
+ asc_isr_callback(asc_dvc, scsiq);
+ }
+ return (0x80);
+ }
+ }
+ return (0);
+}
+
+static int AscISR(ASC_DVC_VAR *asc_dvc)
+{
+ ASC_CS_TYPE chipstat;
+ PortAddr iop_base;
+ ushort saved_ram_addr;
+ uchar ctrl_reg;
+ uchar saved_ctrl_reg;
+ int int_pending;
+ int status;
+ uchar host_flag;
+
+ iop_base = asc_dvc->iop_base;
+ int_pending = FALSE;
+
+ if (AscIsIntPending(iop_base) == 0)
+ return int_pending;
+
+ if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) {
+ return ERR;
+ }
+ if (asc_dvc->in_critical_cnt != 0) {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL);
+ return ERR;
+ }
+ if (asc_dvc->is_in_int) {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY);
+ return ERR;
+ }
+ asc_dvc->is_in_int = TRUE;
+ ctrl_reg = AscGetChipControl(iop_base);
+ saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET |
+ CC_SINGLE_STEP | CC_DIAG | CC_TEST));
+ chipstat = AscGetChipStatus(iop_base);
+ if (chipstat & CSW_SCSI_RESET_LATCH) {
+ if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) {
+ int i = 10;
+ int_pending = TRUE;
+ asc_dvc->sdtr_done = 0;
+ saved_ctrl_reg &= (uchar)(~CC_HALT);
+ while ((AscGetChipStatus(iop_base) &
+ CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) {
+ mdelay(100);
+ }
+ AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT));
+ AscSetChipControl(iop_base, CC_HALT);
+ AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
+ AscSetChipStatus(iop_base, 0);
+ chipstat = AscGetChipStatus(iop_base);
+ }
+ }
+ saved_ram_addr = AscGetChipLramAddr(iop_base);
+ host_flag = AscReadLramByte(iop_base,
+ ASCV_HOST_FLAG_B) &
+ (uchar)(~ASC_HOST_FLAG_IN_ISR);
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
+ (uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR));
+ if ((chipstat & CSW_INT_PENDING) || (int_pending)) {
+ AscAckInterrupt(iop_base);
+ int_pending = TRUE;
+ if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) {
+ if (AscIsrChipHalted(asc_dvc) == ERR) {
+ goto ISR_REPORT_QDONE_FATAL_ERROR;
+ } else {
+ saved_ctrl_reg &= (uchar)(~CC_HALT);
+ }
+ } else {
+ ISR_REPORT_QDONE_FATAL_ERROR:
+ if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) {
+ while (((status =
+ AscIsrQDone(asc_dvc)) & 0x01) != 0) {
+ }
+ } else {
+ do {
+ if ((status =
+ AscIsrQDone(asc_dvc)) == 1) {
+ break;
+ }
+ } while (status == 0x11);
+ }
+ if ((status & 0x80) != 0)
+ int_pending = ERR;
+ }
+ }
+ AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
+ AscSetChipLramAddr(iop_base, saved_ram_addr);
+ AscSetChipControl(iop_base, saved_ctrl_reg);
+ asc_dvc->is_in_int = FALSE;
+ return int_pending;
+}
+
+/*
+ * advansys_reset()
+ *
+ * Reset the bus associated with the command 'scp'.
+ *
+ * This function runs its own thread. Interrupts must be blocked but
+ * sleeping is allowed and no locking other than for host structures is
+ * required. Returns SUCCESS or FAILED.
+ */
+static int advansys_reset(struct scsi_cmnd *scp)
+{
+ struct Scsi_Host *shost = scp->device->host;
+ struct asc_board *boardp = shost_priv(shost);
+ unsigned long flags;
+ int status;
+ int ret = SUCCESS;
+
+ ASC_DBG(1, "0x%p\n", scp);
+
+ ASC_STATS(shost, reset);
+
+ scmd_printk(KERN_INFO, scp, "SCSI bus reset started...\n");
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
+
+ /* Reset the chip and SCSI bus. */
+ ASC_DBG(1, "before AscInitAsc1000Driver()\n");
+ status = AscInitAsc1000Driver(asc_dvc);
+
+ /* Refer to ASC_IERR_* definitions for meaning of 'err_code'. */
+ if (asc_dvc->err_code || !asc_dvc->overrun_dma) {
+ scmd_printk(KERN_INFO, scp, "SCSI bus reset error: "
+ "0x%x, status: 0x%x\n", asc_dvc->err_code,
+ status);
+ ret = FAILED;
+ } else if (status) {
+ scmd_printk(KERN_INFO, scp, "SCSI bus reset warning: "
+ "0x%x\n", status);
+ } else {
+ scmd_printk(KERN_INFO, scp, "SCSI bus reset "
+ "successful\n");
+ }
+
+ ASC_DBG(1, "after AscInitAsc1000Driver()\n");
+ spin_lock_irqsave(shost->host_lock, flags);
+ } else {
+ /*
+ * If the suggest reset bus flags are set, then reset the bus.
+ * Otherwise only reset the device.
+ */
+ ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var;
+
+ /*
+ * Reset the target's SCSI bus.
+ */
+ ASC_DBG(1, "before AdvResetChipAndSB()\n");
+ switch (AdvResetChipAndSB(adv_dvc)) {
+ case ASC_TRUE:
+ scmd_printk(KERN_INFO, scp, "SCSI bus reset "
+ "successful\n");
+ break;
+ case ASC_FALSE:
+ default:
+ scmd_printk(KERN_INFO, scp, "SCSI bus reset error\n");
+ ret = FAILED;
+ break;
+ }
+ spin_lock_irqsave(shost->host_lock, flags);
+ AdvISR(adv_dvc);
+ }
+
+ /* Save the time of the most recently completed reset. */
+ boardp->last_reset = jiffies;
+ spin_unlock_irqrestore(shost->host_lock, flags);
+
+ ASC_DBG(1, "ret %d\n", ret);
+
+ return ret;
+}
+
+/*
+ * advansys_biosparam()
+ *
+ * Translate disk drive geometry if the "BIOS greater than 1 GB"
+ * support is enabled for a drive.
+ *
+ * ip (information pointer) is an int array with the following definition:
+ * ip[0]: heads
+ * ip[1]: sectors
+ * ip[2]: cylinders
+ */
+static int
+advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
+ sector_t capacity, int ip[])
+{
+ struct asc_board *boardp = shost_priv(sdev->host);
+
+ ASC_DBG(1, "begin\n");
+ ASC_STATS(sdev->host, biosparam);
+ if (ASC_NARROW_BOARD(boardp)) {
+ if ((boardp->dvc_var.asc_dvc_var.dvc_cntl &
+ ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) {
+ ip[0] = 255;
+ ip[1] = 63;
+ } else {
+ ip[0] = 64;
+ ip[1] = 32;
+ }
+ } else {
+ if ((boardp->dvc_var.adv_dvc_var.bios_ctrl &
+ BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) {
+ ip[0] = 255;
+ ip[1] = 63;
+ } else {
+ ip[0] = 64;
+ ip[1] = 32;
+ }
+ }
+ ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
+ ASC_DBG(1, "end\n");
+ return 0;
+}
+
+/*
+ * First-level interrupt handler.
+ *
+ * 'dev_id' is a pointer to the interrupting adapter's Scsi_Host.
+ */
+static irqreturn_t advansys_interrupt(int irq, void *dev_id)
+{
+ struct Scsi_Host *shost = dev_id;
+ struct asc_board *boardp = shost_priv(shost);
+ irqreturn_t result = IRQ_NONE;
+
+ ASC_DBG(2, "boardp 0x%p\n", boardp);
+ spin_lock(shost->host_lock);
+ if (ASC_NARROW_BOARD(boardp)) {
+ if (AscIsIntPending(shost->io_port)) {
+ result = IRQ_HANDLED;
+ ASC_STATS(shost, interrupt);
+ ASC_DBG(1, "before AscISR()\n");
+ AscISR(&boardp->dvc_var.asc_dvc_var);
+ }
+ } else {
+ ASC_DBG(1, "before AdvISR()\n");
+ if (AdvISR(&boardp->dvc_var.adv_dvc_var)) {
+ result = IRQ_HANDLED;
+ ASC_STATS(shost, interrupt);
+ }
+ }
+ spin_unlock(shost->host_lock);
+
+ ASC_DBG(1, "end\n");
+ return result;
+}
+
+static int AscHostReqRiscHalt(PortAddr iop_base)
+{
+ int count = 0;
+ int sta = 0;
+ uchar saved_stop_code;
+
+ if (AscIsChipHalted(iop_base))
+ return (1);
+ saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B);
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
+ ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP);
+ do {
+ if (AscIsChipHalted(iop_base)) {
+ sta = 1;
+ break;
+ }
+ mdelay(100);
+ } while (count++ < 20);
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code);
+ return (sta);
+}
+
+static int
+AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data)
+{
+ int sta = FALSE;
+
+ if (AscHostReqRiscHalt(iop_base)) {
+ sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
+ AscStartChip(iop_base);
+ }
+ return sta;
+}
+
+static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
+{
+ char type = sdev->type;
+ ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;
+
+ if (!(asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN))
+ return;
+ if (asc_dvc->init_sdtr & tid_bits)
+ return;
+
+ if ((type == TYPE_ROM) && (strncmp(sdev->vendor, "HP ", 3) == 0))
+ asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;
+
+ asc_dvc->pci_fix_asyn_xfer |= tid_bits;
+ if ((type == TYPE_PROCESSOR) || (type == TYPE_SCANNER) ||
+ (type == TYPE_ROM) || (type == TYPE_TAPE))
+ asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;
+
+ if (asc_dvc->pci_fix_asyn_xfer & tid_bits)
+ AscSetRunChipSynRegAtID(asc_dvc->iop_base, sdev->id,
+ ASYN_SDTR_DATA_FIX_PCI_REV_AB);
+}
+
+static void
+advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc)
+{
+ ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id;
+ ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng;
+
+ if (sdev->lun == 0) {
+ ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr;
+ if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) {
+ asc_dvc->init_sdtr |= tid_bit;
+ } else {
+ asc_dvc->init_sdtr &= ~tid_bit;
+ }
+
+ if (orig_init_sdtr != asc_dvc->init_sdtr)
+ AscAsyncFix(asc_dvc, sdev);
+ }
+
+ if (sdev->tagged_supported) {
+ if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) {
+ if (sdev->lun == 0) {
+ asc_dvc->cfg->can_tagged_qng |= tid_bit;
+ asc_dvc->use_tagged_qng |= tid_bit;
+ }
+ scsi_change_queue_depth(sdev,
+ asc_dvc->max_dvc_qng[sdev->id]);
+ }
+ } else {
+ if (sdev->lun == 0) {
+ asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
+ asc_dvc->use_tagged_qng &= ~tid_bit;
+ }
+ }
+
+ if ((sdev->lun == 0) &&
+ (orig_use_tagged_qng != asc_dvc->use_tagged_qng)) {
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
+ asc_dvc->cfg->disc_enable);
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
+ asc_dvc->use_tagged_qng);
+ AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
+ asc_dvc->cfg->can_tagged_qng);
+
+ asc_dvc->max_dvc_qng[sdev->id] =
+ asc_dvc->cfg->max_tag_qng[sdev->id];
+ AscWriteLramByte(asc_dvc->iop_base,
+ (ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id),
+ asc_dvc->max_dvc_qng[sdev->id]);
+ }
+}
+
+/*
+ * Wide Transfers
+ *
+ * If the EEPROM enabled WDTR for the device and the device supports wide
+ * bus (16 bit) transfers, then turn on the device's 'wdtr_able' bit and
+ * write the new value to the microcode.
+ */
+static void
+advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask)
+{
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
+ if ((cfg_word & tidmask) != 0)
+ return;
+
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
+
+ /*
+ * Clear the microcode SDTR and WDTR negotiation done indicators for
+ * the target to cause it to negotiate with the new setting set above.
+ * WDTR when accepted causes the target to enter asynchronous mode, so
+ * SDTR must be negotiated.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
+}
+
+/*
+ * Synchronous Transfers
+ *
+ * If the EEPROM enabled SDTR for the device and the device
+ * supports synchronous transfers, then turn on the device's
+ * 'sdtr_able' bit. Write the new value to the microcode.
+ */
+static void
+advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask)
+{
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
+ if ((cfg_word & tidmask) != 0)
+ return;
+
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
+
+ /*
+ * Clear the microcode "SDTR negotiation" done indicator for the
+ * target to cause it to negotiate with the new setting set above.
+ */
+ AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+ cfg_word &= ~tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
+}
+
+/*
+ * PPR (Parallel Protocol Request) Capable
+ *
+ * If the device supports DT mode, then it must be PPR capable.
+ * The PPR message will be used in place of the SDTR and WDTR
+ * messages to negotiate synchronous speed and offset, transfer
+ * width, and protocol options.
+ */
+static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc,
+ AdvPortAddr iop_base, unsigned short tidmask)
+{
+ AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
+ adv_dvc->ppr_able |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
+}
+
+static void
+advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc)
+{
+ AdvPortAddr iop_base = adv_dvc->iop_base;
+ unsigned short tidmask = 1 << sdev->id;
+
+ if (sdev->lun == 0) {
+ /*
+ * Handle WDTR, SDTR, and Tag Queuing. If the feature
+ * is enabled in the EEPROM and the device supports the
+ * feature, then enable it in the microcode.
+ */
+
+ if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr)
+ advansys_wide_enable_wdtr(iop_base, tidmask);
+ if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr)
+ advansys_wide_enable_sdtr(iop_base, tidmask);
+ if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr)
+ advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask);
+
+ /*
+ * Tag Queuing is disabled for the BIOS which runs in polled
+ * mode and would see no benefit from Tag Queuing. Also by
+ * disabling Tag Queuing in the BIOS devices with Tag Queuing
+ * bugs will at least work with the BIOS.
+ */
+ if ((adv_dvc->tagqng_able & tidmask) &&
+ sdev->tagged_supported) {
+ unsigned short cfg_word;
+ AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
+ cfg_word |= tidmask;
+ AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
+ cfg_word);
+ AdvWriteByteLram(iop_base,
+ ASC_MC_NUMBER_OF_MAX_CMD + sdev->id,
+ adv_dvc->max_dvc_qng);
+ }
+ }
+
+ if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported)
+ scsi_change_queue_depth(sdev, adv_dvc->max_dvc_qng);
+}
+
+/*
+ * Set the number of commands to queue per device for the
+ * specified host adapter.
+ */
+static int advansys_slave_configure(struct scsi_device *sdev)
+{
+ struct asc_board *boardp = shost_priv(sdev->host);
+
+ if (ASC_NARROW_BOARD(boardp))
+ advansys_narrow_slave_configure(sdev,
+ &boardp->dvc_var.asc_dvc_var);
+ else
+ advansys_wide_slave_configure(sdev,
+ &boardp->dvc_var.adv_dvc_var);
+
+ return 0;
+}
+
+static __le32 advansys_get_sense_buffer_dma(struct scsi_cmnd *scp)
+{
+ struct asc_board *board = shost_priv(scp->device->host);
+ scp->SCp.dma_handle = dma_map_single(board->dev, scp->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
+ dma_cache_sync(board->dev, scp->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
+ return cpu_to_le32(scp->SCp.dma_handle);
+}
+
+static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
+ struct asc_scsi_q *asc_scsi_q)
+{
+ struct asc_dvc_var *asc_dvc = &boardp->dvc_var.asc_dvc_var;
+ int use_sg;
+
+ memset(asc_scsi_q, 0, sizeof(*asc_scsi_q));
+
+ /*
+ * Point the ASC_SCSI_Q to the 'struct scsi_cmnd'.
+ */
+ asc_scsi_q->q2.srb_ptr = advansys_ptr_to_srb(asc_dvc, scp);
+ if (asc_scsi_q->q2.srb_ptr == BAD_SRB) {
+ scp->result = HOST_BYTE(DID_SOFT_ERROR);
+ return ASC_ERROR;
+ }
+
+ /*
+ * Build the ASC_SCSI_Q request.
+ */
+ asc_scsi_q->cdbptr = &scp->cmnd[0];
+ asc_scsi_q->q2.cdb_len = scp->cmd_len;
+ asc_scsi_q->q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id);
+ asc_scsi_q->q1.target_lun = scp->device->lun;
+ asc_scsi_q->q2.target_ix =
+ ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun);
+ asc_scsi_q->q1.sense_addr = advansys_get_sense_buffer_dma(scp);
+ asc_scsi_q->q1.sense_len = SCSI_SENSE_BUFFERSIZE;
+
+ /*
+ * If there are any outstanding requests for the current target,
+ * then every 255th request send an ORDERED request. This heuristic
+ * tries to retain the benefit of request sorting while preventing
+ * request starvation. 255 is the max number of tags or pending commands
+ * a device may have outstanding.
+ *
+ * The request count is incremented below for every successfully
+ * started request.
+ *
+ */
+ if ((asc_dvc->cur_dvc_qng[scp->device->id] > 0) &&
+ (boardp->reqcnt[scp->device->id] % 255) == 0) {
+ asc_scsi_q->q2.tag_code = ORDERED_QUEUE_TAG;
+ } else {
+ asc_scsi_q->q2.tag_code = SIMPLE_QUEUE_TAG;
+ }
+
+ /* Build ASC_SCSI_Q */
+ use_sg = scsi_dma_map(scp);
+ if (use_sg != 0) {
+ int sgcnt;
+ struct scatterlist *slp;
+ struct asc_sg_head *asc_sg_head;
+
+ if (use_sg > scp->device->host->sg_tablesize) {
+ scmd_printk(KERN_ERR, scp, "use_sg %d > "
+ "sg_tablesize %d\n", use_sg,
+ scp->device->host->sg_tablesize);
+ scsi_dma_unmap(scp);
+ scp->result = HOST_BYTE(DID_ERROR);
+ return ASC_ERROR;
+ }
+
+ asc_sg_head = kzalloc(sizeof(asc_scsi_q->sg_head) +
+ use_sg * sizeof(struct asc_sg_list), GFP_ATOMIC);
+ if (!asc_sg_head) {
+ scsi_dma_unmap(scp);
+ scp->result = HOST_BYTE(DID_SOFT_ERROR);
+ return ASC_ERROR;
+ }
+
+ asc_scsi_q->q1.cntl |= QC_SG_HEAD;
+ asc_scsi_q->sg_head = asc_sg_head;
+ asc_scsi_q->q1.data_cnt = 0;
+ asc_scsi_q->q1.data_addr = 0;
+ /* This is a byte value, otherwise it would need to be swapped. */
+ asc_sg_head->entry_cnt = asc_scsi_q->q1.sg_queue_cnt = use_sg;
+ ASC_STATS_ADD(scp->device->host, xfer_elem,
+ asc_sg_head->entry_cnt);
+
+ /*
+ * Convert scatter-gather list into ASC_SG_HEAD list.
+ */
+ scsi_for_each_sg(scp, slp, use_sg, sgcnt) {
+ asc_sg_head->sg_list[sgcnt].addr =
+ cpu_to_le32(sg_dma_address(slp));
+ asc_sg_head->sg_list[sgcnt].bytes =
+ cpu_to_le32(sg_dma_len(slp));
+ ASC_STATS_ADD(scp->device->host, xfer_sect,
+ DIV_ROUND_UP(sg_dma_len(slp), 512));
+ }
+ }
+
+ ASC_STATS(scp->device->host, xfer_cnt);
+
+ ASC_DBG_PRT_ASC_SCSI_Q(2, asc_scsi_q);
+ ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
+
+ return ASC_NOERROR;
+}
+
+/*
+ * Build scatter-gather list for Adv Library (Wide Board).
+ *
+ * Additional ADV_SG_BLOCK structures will need to be allocated
+ * if the total number of scatter-gather elements exceeds
+ * NO_OF_SG_PER_BLOCK (15). The ADV_SG_BLOCK structures are
+ * assumed to be physically contiguous.
+ *
+ * Return:
+ * ADV_SUCCESS(1) - SG List successfully created
+ * ADV_ERROR(-1) - SG List creation failed
+ */
+static int
+adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp, struct scsi_cmnd *scp,
+ int use_sg)
+{
+ adv_sgblk_t *sgblkp;
+ ADV_SCSI_REQ_Q *scsiqp;
+ struct scatterlist *slp;
+ int sg_elem_cnt;
+ ADV_SG_BLOCK *sg_block, *prev_sg_block;
+ ADV_PADDR sg_block_paddr;
+ int i;
+
+ scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q);
+ slp = scsi_sglist(scp);
+ sg_elem_cnt = use_sg;
+ prev_sg_block = NULL;
+ reqp->sgblkp = NULL;
+
+ for (;;) {
+ /*
+ * Allocate a 'adv_sgblk_t' structure from the board free
+ * list. One 'adv_sgblk_t' structure holds NO_OF_SG_PER_BLOCK
+ * (15) scatter-gather elements.
+ */
+ if ((sgblkp = boardp->adv_sgblkp) == NULL) {
+ ASC_DBG(1, "no free adv_sgblk_t\n");
+ ASC_STATS(scp->device->host, adv_build_nosg);
+
+ /*
+ * Allocation failed. Free 'adv_sgblk_t' structures
+ * already allocated for the request.
+ */
+ while ((sgblkp = reqp->sgblkp) != NULL) {
+ /* Remove 'sgblkp' from the request list. */
+ reqp->sgblkp = sgblkp->next_sgblkp;
+
+ /* Add 'sgblkp' to the board free list. */
+ sgblkp->next_sgblkp = boardp->adv_sgblkp;
+ boardp->adv_sgblkp = sgblkp;
+ }
+ return ASC_BUSY;
+ }
+
+ /* Complete 'adv_sgblk_t' board allocation. */
+ boardp->adv_sgblkp = sgblkp->next_sgblkp;
+ sgblkp->next_sgblkp = NULL;
+
+ /*
+ * Get 8 byte aligned virtual and physical addresses
+ * for the allocated ADV_SG_BLOCK structure.
+ */
+ sg_block = (ADV_SG_BLOCK *)ADV_8BALIGN(&sgblkp->sg_block);
+ sg_block_paddr = virt_to_bus(sg_block);
+
+ /*
+ * Check if this is the first 'adv_sgblk_t' for the
+ * request.
+ */
+ if (reqp->sgblkp == NULL) {
+ /* Request's first scatter-gather block. */
+ reqp->sgblkp = sgblkp;
+
+ /*
+ * Set ADV_SCSI_REQ_T ADV_SG_BLOCK virtual and physical
+ * address pointers.
+ */
+ scsiqp->sg_list_ptr = sg_block;
+ scsiqp->sg_real_addr = cpu_to_le32(sg_block_paddr);
+ } else {
+ /* Request's second or later scatter-gather block. */
+ sgblkp->next_sgblkp = reqp->sgblkp;
+ reqp->sgblkp = sgblkp;
+
+ /*
+ * Point the previous ADV_SG_BLOCK structure to
+ * the newly allocated ADV_SG_BLOCK structure.
+ */
+ prev_sg_block->sg_ptr = cpu_to_le32(sg_block_paddr);
+ }
+
+ for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) {
+ sg_block->sg_list[i].sg_addr =
+ cpu_to_le32(sg_dma_address(slp));
+ sg_block->sg_list[i].sg_count =
+ cpu_to_le32(sg_dma_len(slp));
+ ASC_STATS_ADD(scp->device->host, xfer_sect,
+ DIV_ROUND_UP(sg_dma_len(slp), 512));
+
+ if (--sg_elem_cnt == 0) { /* Last ADV_SG_BLOCK and scatter-gather entry. */
+ sg_block->sg_cnt = i + 1;
+ sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */
+ return ADV_SUCCESS;
+ }
+ slp++;
+ }
+ sg_block->sg_cnt = NO_OF_SG_PER_BLOCK;
+ prev_sg_block = sg_block;
+ }
+}
+
+/*
+ * Build a request structure for the Adv Library (Wide Board).
+ *
+ * If an adv_req_t can not be allocated to issue the request,
+ * then return ASC_BUSY. If an error occurs, then return ASC_ERROR.
+ *
+ * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the
+ * microcode for DMA addresses or math operations are byte swapped
+ * to little-endian order.
+ */
+static int
+adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
+ ADV_SCSI_REQ_Q **adv_scsiqpp)
+{
+ adv_req_t *reqp;
+ ADV_SCSI_REQ_Q *scsiqp;
+ int i;
+ int ret;
+ int use_sg;
+
+ /*
+ * Allocate an adv_req_t structure from the board to execute
+ * the command.
+ */
+ if (boardp->adv_reqp == NULL) {
+ ASC_DBG(1, "no free adv_req_t\n");
+ ASC_STATS(scp->device->host, adv_build_noreq);
+ return ASC_BUSY;
+ } else {
+ reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp->next_reqp;
+ reqp->next_reqp = NULL;
+ }
+
+ /*
+ * Get 32-byte aligned ADV_SCSI_REQ_Q and ADV_SG_BLOCK pointers.
+ */
+ scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q);
+
+ /*
+ * Initialize the structure.
+ */
+ scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0;
+
+ /*
+ * Set the ADV_SCSI_REQ_Q 'srb_ptr' to point to the adv_req_t structure.
+ */
+ scsiqp->srb_ptr = ADV_VADDR_TO_U32(reqp);
+
+ /*
+ * Set the adv_req_t 'cmndp' to point to the struct scsi_cmnd structure.
+ */
+ reqp->cmndp = scp;
+
+ /*
+ * Build the ADV_SCSI_REQ_Q request.
+ */
+
+ /* Set CDB length and copy it to the request structure. */
+ scsiqp->cdb_len = scp->cmd_len;
+ /* Copy first 12 CDB bytes to cdb[]. */
+ for (i = 0; i < scp->cmd_len && i < 12; i++) {
+ scsiqp->cdb[i] = scp->cmnd[i];
+ }
+ /* Copy last 4 CDB bytes, if present, to cdb16[]. */
+ for (; i < scp->cmd_len; i++) {
+ scsiqp->cdb16[i - 12] = scp->cmnd[i];
+ }
+
+ scsiqp->target_id = scp->device->id;
+ scsiqp->target_lun = scp->device->lun;
+
+ scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0]));
+ scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE;
+
+ /* Build ADV_SCSI_REQ_Q */
+
+ use_sg = scsi_dma_map(scp);
+ if (use_sg == 0) {
+ /* Zero-length transfer */
+ reqp->sgblkp = NULL;
+ scsiqp->data_cnt = 0;
+ scsiqp->vdata_addr = NULL;
+
+ scsiqp->data_addr = 0;
+ scsiqp->sg_list_ptr = NULL;
+ scsiqp->sg_real_addr = 0;
+ } else {
+ if (use_sg > ADV_MAX_SG_LIST) {
+ scmd_printk(KERN_ERR, scp, "use_sg %d > "
+ "ADV_MAX_SG_LIST %d\n", use_sg,
+ scp->device->host->sg_tablesize);
+ scsi_dma_unmap(scp);
+ scp->result = HOST_BYTE(DID_ERROR);
+
+ /*
+ * Free the 'adv_req_t' structure by adding it back
+ * to the board free list.
+ */
+ reqp->next_reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp;
+
+ return ASC_ERROR;
+ }
+
+ scsiqp->data_cnt = cpu_to_le32(scsi_bufflen(scp));
+
+ ret = adv_get_sglist(boardp, reqp, scp, use_sg);
+ if (ret != ADV_SUCCESS) {
+ /*
+ * Free the adv_req_t structure by adding it back to
+ * the board free list.
+ */
+ reqp->next_reqp = boardp->adv_reqp;
+ boardp->adv_reqp = reqp;
+
+ return ret;
+ }
+
+ ASC_STATS_ADD(scp->device->host, xfer_elem, use_sg);
+ }
+
+ ASC_STATS(scp->device->host, xfer_cnt);
+
+ ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
+ ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
+
+ *adv_scsiqpp = scsiqp;
+
+ return ASC_NOERROR;
+}
+
+static int AscSgListToQueue(int sg_list)
+{
+ int n_sg_list_qs;
+
+ n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q);
+ if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0)
+ n_sg_list_qs++;
+ return n_sg_list_qs + 1;
+}
+
+static uint
+AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs)
+{
+ uint cur_used_qs;
+ uint cur_free_qs;
+ ASC_SCSI_BIT_ID_TYPE target_id;
+ uchar tid_no;
+
+ target_id = ASC_TIX_TO_TARGET_ID(target_ix);
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ if ((asc_dvc->unit_not_ready & target_id) ||
+ (asc_dvc->queue_full_or_busy & target_id)) {
+ return 0;
+ }
+ if (n_qs == 1) {
+ cur_used_qs = (uint) asc_dvc->cur_total_qng +
+ (uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q;
+ } else {
+ cur_used_qs = (uint) asc_dvc->cur_total_qng +
+ (uint) ASC_MIN_FREE_Q;
+ }
+ if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) {
+ cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs;
+ if (asc_dvc->cur_dvc_qng[tid_no] >=
+ asc_dvc->max_dvc_qng[tid_no]) {
+ return 0;
+ }
+ return cur_free_qs;
+ }
+ if (n_qs > 1) {
+ if ((n_qs > asc_dvc->last_q_shortage)
+ && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) {
+ asc_dvc->last_q_shortage = n_qs;
+ }
+ }
+ return 0;
+}
+
+static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head)
+{
+ ushort q_addr;
+ uchar next_qp;
+ uchar q_status;
+
+ q_addr = ASC_QNO_TO_QADDR(free_q_head);
+ q_status = (uchar)AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_STATUS));
+ next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD));
+ if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END))
+ return next_qp;
+ return ASC_QLINK_END;
+}
+
+static uchar
+AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q)
+{
+ uchar i;
+
+ for (i = 0; i < n_free_q; i++) {
+ free_q_head = AscAllocFreeQueue(iop_base, free_q_head);
+ if (free_q_head == ASC_QLINK_END)
+ break;
+ }
+ return free_q_head;
+}
+
+/*
+ * void
+ * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
+ *
+ * Calling/Exit State:
+ * none
+ *
+ * Description:
+ * Output an ASC_SCSI_Q structure to the chip
+ */
+static void
+DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
+{
+ int i;
+
+ ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words);
+ AscSetChipLramAddr(iop_base, s_addr);
+ for (i = 0; i < 2 * words; i += 2) {
+ if (i == 4 || i == 20) {
+ continue;
+ }
+ outpw(iop_base + IOP_RAM_DATA,
+ ((ushort)outbuf[i + 1] << 8) | outbuf[i]);
+ }
+}
+
+static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
+{
+ ushort q_addr;
+ uchar tid_no;
+ uchar sdtr_data;
+ uchar syn_period_ix;
+ uchar syn_offset;
+ PortAddr iop_base;
+
+ iop_base = asc_dvc->iop_base;
+ if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) &&
+ ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) {
+ tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix);
+ sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
+ syn_period_ix =
+ (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1);
+ syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET;
+ AscMsgOutSDTR(asc_dvc,
+ asc_dvc->sdtr_period_tbl[syn_period_ix],
+ syn_offset);
+ scsiq->q1.cntl |= QC_MSG_OUT;
+ }
+ q_addr = ASC_QNO_TO_QADDR(q_no);
+ if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
+ scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
+ }
+ scsiq->q1.status = QS_FREE;
+ AscMemWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SCSIQ_CDB_BEG,
+ (uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1);
+
+ DvcPutScsiQ(iop_base,
+ q_addr + ASC_SCSIQ_CPY_BEG,
+ (uchar *)&scsiq->q1.cntl,
+ ((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1);
+ AscWriteLramWord(iop_base,
+ (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS),
+ (ushort)(((ushort)scsiq->q1.
+ q_no << 8) | (ushort)QS_READY));
+ return 1;
+}
+
+static int
+AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
+{
+ int sta;
+ int i;
+ ASC_SG_HEAD *sg_head;
+ ASC_SG_LIST_Q scsi_sg_q;
+ ASC_DCNT saved_data_addr;
+ ASC_DCNT saved_data_cnt;
+ PortAddr iop_base;
+ ushort sg_list_dwords;
+ ushort sg_index;
+ ushort sg_entry_cnt;
+ ushort q_addr;
+ uchar next_qp;
+
+ iop_base = asc_dvc->iop_base;
+ sg_head = scsiq->sg_head;
+ saved_data_addr = scsiq->q1.data_addr;
+ saved_data_cnt = scsiq->q1.data_cnt;
+ scsiq->q1.data_addr = (ASC_PADDR) sg_head->sg_list[0].addr;
+ scsiq->q1.data_cnt = (ASC_DCNT) sg_head->sg_list[0].bytes;
+#if CC_VERY_LONG_SG_LIST
+ /*
+ * If sg_head->entry_cnt is greater than ASC_MAX_SG_LIST
+ * then not all SG elements will fit in the allocated queues.
+ * The rest of the SG elements will be copied when the RISC
+ * completes the SG elements that fit and halts.
+ */
+ if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
+ /*
+ * Set sg_entry_cnt to be the number of SG elements that
+ * will fit in the allocated SG queues. It is minus 1, because
+ * the first SG element is handled above. ASC_MAX_SG_LIST is
+ * already inflated by 1 to account for this. For example it
+ * may be 50 which is 1 + 7 queues * 7 SG elements.
+ */
+ sg_entry_cnt = ASC_MAX_SG_LIST - 1;
+
+ /*
+ * Keep track of remaining number of SG elements that will
+ * need to be handled from a_isr.c.
+ */
+ scsiq->remain_sg_entry_cnt =
+ sg_head->entry_cnt - ASC_MAX_SG_LIST;
+ } else {
+#endif /* CC_VERY_LONG_SG_LIST */
+ /*
+ * Set sg_entry_cnt to be the number of SG elements that
+ * will fit in the allocated SG queues. It is minus 1, because
+ * the first SG element is handled above.
+ */
+ sg_entry_cnt = sg_head->entry_cnt - 1;
+#if CC_VERY_LONG_SG_LIST
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ if (sg_entry_cnt != 0) {
+ scsiq->q1.cntl |= QC_SG_HEAD;
+ q_addr = ASC_QNO_TO_QADDR(q_no);
+ sg_index = 1;
+ scsiq->q1.sg_queue_cnt = sg_head->queue_cnt;
+ scsi_sg_q.sg_head_qp = q_no;
+ scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
+ for (i = 0; i < sg_head->queue_cnt; i++) {
+ scsi_sg_q.seq_no = i + 1;
+ if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
+ sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
+ sg_entry_cnt -= ASC_SG_LIST_PER_Q;
+ if (i == 0) {
+ scsi_sg_q.sg_list_cnt =
+ ASC_SG_LIST_PER_Q;
+ scsi_sg_q.sg_cur_list_cnt =
+ ASC_SG_LIST_PER_Q;
+ } else {
+ scsi_sg_q.sg_list_cnt =
+ ASC_SG_LIST_PER_Q - 1;
+ scsi_sg_q.sg_cur_list_cnt =
+ ASC_SG_LIST_PER_Q - 1;
+ }
+ } else {
+#if CC_VERY_LONG_SG_LIST
+ /*
+ * This is the last SG queue in the list of
+ * allocated SG queues. If there are more
+ * SG elements than will fit in the allocated
+ * queues, then set the QCSG_SG_XFER_MORE flag.
+ */
+ if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
+ scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
+ } else {
+#endif /* CC_VERY_LONG_SG_LIST */
+ scsi_sg_q.cntl |= QCSG_SG_XFER_END;
+#if CC_VERY_LONG_SG_LIST
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ sg_list_dwords = sg_entry_cnt << 1;
+ if (i == 0) {
+ scsi_sg_q.sg_list_cnt = sg_entry_cnt;
+ scsi_sg_q.sg_cur_list_cnt =
+ sg_entry_cnt;
+ } else {
+ scsi_sg_q.sg_list_cnt =
+ sg_entry_cnt - 1;
+ scsi_sg_q.sg_cur_list_cnt =
+ sg_entry_cnt - 1;
+ }
+ sg_entry_cnt = 0;
+ }
+ next_qp = AscReadLramByte(iop_base,
+ (ushort)(q_addr +
+ ASC_SCSIQ_B_FWD));
+ scsi_sg_q.q_no = next_qp;
+ q_addr = ASC_QNO_TO_QADDR(next_qp);
+ AscMemWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
+ (uchar *)&scsi_sg_q,
+ sizeof(ASC_SG_LIST_Q) >> 1);
+ AscMemDWordCopyPtrToLram(iop_base,
+ q_addr + ASC_SGQ_LIST_BEG,
+ (uchar *)&sg_head->
+ sg_list[sg_index],
+ sg_list_dwords);
+ sg_index += ASC_SG_LIST_PER_Q;
+ scsiq->next_sg_index = sg_index;
+ }
+ } else {
+ scsiq->q1.cntl &= ~QC_SG_HEAD;
+ }
+ sta = AscPutReadyQueue(asc_dvc, scsiq, q_no);
+ scsiq->q1.data_addr = saved_data_addr;
+ scsiq->q1.data_cnt = saved_data_cnt;
+ return (sta);
+}
+
+static int
+AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required)
+{
+ PortAddr iop_base;
+ uchar free_q_head;
+ uchar next_qp;
+ uchar tid_no;
+ uchar target_ix;
+ int sta;
+
+ iop_base = asc_dvc->iop_base;
+ target_ix = scsiq->q2.target_ix;
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ sta = 0;
+ free_q_head = (uchar)AscGetVarFreeQHead(iop_base);
+ if (n_q_required > 1) {
+ next_qp = AscAllocMultipleFreeQueue(iop_base, free_q_head,
+ (uchar)n_q_required);
+ if (next_qp != ASC_QLINK_END) {
+ asc_dvc->last_q_shortage = 0;
+ scsiq->sg_head->queue_cnt = n_q_required - 1;
+ scsiq->q1.q_no = free_q_head;
+ sta = AscPutReadySgListQueue(asc_dvc, scsiq,
+ free_q_head);
+ }
+ } else if (n_q_required == 1) {
+ next_qp = AscAllocFreeQueue(iop_base, free_q_head);
+ if (next_qp != ASC_QLINK_END) {
+ scsiq->q1.q_no = free_q_head;
+ sta = AscPutReadyQueue(asc_dvc, scsiq, free_q_head);
+ }
+ }
+ if (sta == 1) {
+ AscPutVarFreeQHead(iop_base, next_qp);
+ asc_dvc->cur_total_qng += n_q_required;
+ asc_dvc->cur_dvc_qng[tid_no]++;
+ }
+ return sta;
+}
+
+#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16
+static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = {
+ INQUIRY,
+ REQUEST_SENSE,
+ READ_CAPACITY,
+ READ_TOC,
+ MODE_SELECT,
+ MODE_SENSE,
+ MODE_SELECT_10,
+ MODE_SENSE_10,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF,
+ 0xFF
+};
+
+static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq)
+{
+ PortAddr iop_base;
+ int sta;
+ int n_q_required;
+ int disable_syn_offset_one_fix;
+ int i;
+ ASC_PADDR addr;
+ ushort sg_entry_cnt = 0;
+ ushort sg_entry_cnt_minus_one = 0;
+ uchar target_ix;
+ uchar tid_no;
+ uchar sdtr_data;
+ uchar extra_bytes;
+ uchar scsi_cmd;
+ uchar disable_cmd;
+ ASC_SG_HEAD *sg_head;
+ ASC_DCNT data_cnt;
+
+ iop_base = asc_dvc->iop_base;
+ sg_head = scsiq->sg_head;
+ if (asc_dvc->err_code != 0)
+ return (ERR);
+ scsiq->q1.q_no = 0;
+ if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) {
+ scsiq->q1.extra_bytes = 0;
+ }
+ sta = 0;
+ target_ix = scsiq->q2.target_ix;
+ tid_no = ASC_TIX_TO_TID(target_ix);
+ n_q_required = 1;
+ if (scsiq->cdbptr[0] == REQUEST_SENSE) {
+ if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) {
+ asc_dvc->sdtr_done &= ~scsiq->q1.target_id;
+ sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
+ AscMsgOutSDTR(asc_dvc,
+ asc_dvc->
+ sdtr_period_tbl[(sdtr_data >> 4) &
+ (uchar)(asc_dvc->
+ max_sdtr_index -
+ 1)],
+ (uchar)(sdtr_data & (uchar)
+ ASC_SYN_MAX_OFFSET));
+ scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT);
+ }
+ }
+ if (asc_dvc->in_critical_cnt != 0) {
+ AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY);
+ return (ERR);
+ }
+ asc_dvc->in_critical_cnt++;
+ if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
+ if ((sg_entry_cnt = sg_head->entry_cnt) == 0) {
+ asc_dvc->in_critical_cnt--;
+ return (ERR);
+ }
+#if !CC_VERY_LONG_SG_LIST
+ if (sg_entry_cnt > ASC_MAX_SG_LIST) {
+ asc_dvc->in_critical_cnt--;
+ return (ERR);
+ }
+#endif /* !CC_VERY_LONG_SG_LIST */
+ if (sg_entry_cnt == 1) {
+ scsiq->q1.data_addr =
+ (ADV_PADDR)sg_head->sg_list[0].addr;
+ scsiq->q1.data_cnt =
+ (ADV_DCNT)sg_head->sg_list[0].bytes;
+ scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE);
+ }
+ sg_entry_cnt_minus_one = sg_entry_cnt - 1;
+ }
+ scsi_cmd = scsiq->cdbptr[0];
+ disable_syn_offset_one_fix = FALSE;
+ if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) &&
+ !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) {
+ if (scsiq->q1.cntl & QC_SG_HEAD) {
+ data_cnt = 0;
+ for (i = 0; i < sg_entry_cnt; i++) {
+ data_cnt +=
+ (ADV_DCNT)le32_to_cpu(sg_head->sg_list[i].
+ bytes);
+ }
+ } else {
+ data_cnt = le32_to_cpu(scsiq->q1.data_cnt);
+ }
+ if (data_cnt != 0UL) {
+ if (data_cnt < 512UL) {
+ disable_syn_offset_one_fix = TRUE;
+ } else {
+ for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST;
+ i++) {
+ disable_cmd =
+ _syn_offset_one_disable_cmd[i];
+ if (disable_cmd == 0xFF) {
+ break;
+ }
+ if (scsi_cmd == disable_cmd) {
+ disable_syn_offset_one_fix =
+ TRUE;
+ break;
+ }
+ }
+ }
+ }
+ }
+ if (disable_syn_offset_one_fix) {
+ scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
+ scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
+ ASC_TAG_FLAG_DISABLE_DISCONNECT);
+ } else {
+ scsiq->q2.tag_code &= 0x27;
+ }
+ if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
+ if (asc_dvc->bug_fix_cntl) {
+ if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
+ if ((scsi_cmd == READ_6) ||
+ (scsi_cmd == READ_10)) {
+ addr =
+ (ADV_PADDR)le32_to_cpu(sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ addr) +
+ (ADV_DCNT)le32_to_cpu(sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ bytes);
+ extra_bytes =
+ (uchar)((ushort)addr & 0x0003);
+ if ((extra_bytes != 0)
+ &&
+ ((scsiq->q2.
+ tag_code &
+ ASC_TAG_FLAG_EXTRA_BYTES)
+ == 0)) {
+ scsiq->q2.tag_code |=
+ ASC_TAG_FLAG_EXTRA_BYTES;
+ scsiq->q1.extra_bytes =
+ extra_bytes;
+ data_cnt =
+ le32_to_cpu(sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ bytes);
+ data_cnt -=
+ (ASC_DCNT) extra_bytes;
+ sg_head->
+ sg_list
+ [sg_entry_cnt_minus_one].
+ bytes =
+ cpu_to_le32(data_cnt);
+ }
+ }
+ }
+ }
+ sg_head->entry_to_copy = sg_head->entry_cnt;
+#if CC_VERY_LONG_SG_LIST
+ /*
+ * Set the sg_entry_cnt to the maximum possible. The rest of
+ * the SG elements will be copied when the RISC completes the
+ * SG elements that fit and halts.
+ */
+ if (sg_entry_cnt > ASC_MAX_SG_LIST) {
+ sg_entry_cnt = ASC_MAX_SG_LIST;
+ }
+#endif /* CC_VERY_LONG_SG_LIST */
+ n_q_required = AscSgListToQueue(sg_entry_cnt);
+ if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >=
+ (uint) n_q_required)
+ || ((scsiq->q1.cntl & QC_URGENT) != 0)) {
+ if ((sta =
+ AscSendScsiQueue(asc_dvc, scsiq,
+ n_q_required)) == 1) {
+ asc_dvc->in_critical_cnt--;
+ return (sta);
+ }
+ }
+ } else {
+ if (asc_dvc->bug_fix_cntl) {
+ if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
+ if ((scsi_cmd == READ_6) ||
+ (scsi_cmd == READ_10)) {
+ addr =
+ le32_to_cpu(scsiq->q1.data_addr) +
+ le32_to_cpu(scsiq->q1.data_cnt);
+ extra_bytes =
+ (uchar)((ushort)addr & 0x0003);
+ if ((extra_bytes != 0)
+ &&
+ ((scsiq->q2.
+ tag_code &
+ ASC_TAG_FLAG_EXTRA_BYTES)
+ == 0)) {
+ data_cnt =
+ le32_to_cpu(scsiq->q1.
+ data_cnt);
+ if (((ushort)data_cnt & 0x01FF)
+ == 0) {
+ scsiq->q2.tag_code |=
+ ASC_TAG_FLAG_EXTRA_BYTES;
+ data_cnt -= (ASC_DCNT)
+ extra_bytes;
+ scsiq->q1.data_cnt =
+ cpu_to_le32
+ (data_cnt);
+ scsiq->q1.extra_bytes =
+ extra_bytes;
+ }
+ }
+ }
+ }
+ }
+ n_q_required = 1;
+ if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) ||
+ ((scsiq->q1.cntl & QC_URGENT) != 0)) {
+ if ((sta = AscSendScsiQueue(asc_dvc, scsiq,
+ n_q_required)) == 1) {
+ asc_dvc->in_critical_cnt--;
+ return (sta);
+ }
+ }
+ }
+ asc_dvc->in_critical_cnt--;
+ return (sta);
+}
+
+/*
+ * AdvExeScsiQueue() - Send a request to the RISC microcode program.
+ *
+ * Allocate a carrier structure, point the carrier to the ADV_SCSI_REQ_Q,
+ * add the carrier to the ICQ (Initiator Command Queue), and tickle the
+ * RISC to notify it a new command is ready to be executed.
+ *
+ * If 'done_status' is not set to QD_DO_RETRY, then 'error_retry' will be
+ * set to SCSI_MAX_RETRY.
+ *
+ * Multi-byte fields in the ASC_SCSI_REQ_Q that are used by the microcode
+ * for DMA addresses or math operations are byte swapped to little-endian
+ * order.
+ *
+ * Return:
+ * ADV_SUCCESS(1) - The request was successfully queued.
+ * ADV_BUSY(0) - Resource unavailable; Retry again after pending
+ * request completes.
+ * ADV_ERROR(-1) - Invalid ADV_SCSI_REQ_Q request structure
+ * host IC error.
+ */
+static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq)
+{
+ AdvPortAddr iop_base;
+ ADV_PADDR req_paddr;
+ ADV_CARR_T *new_carrp;
+
+ /*
+ * The ADV_SCSI_REQ_Q 'target_id' field should never exceed ADV_MAX_TID.
+ */
+ if (scsiq->target_id > ADV_MAX_TID) {
+ scsiq->host_status = QHSTA_M_INVALID_DEVICE;
+ scsiq->done_status = QD_WITH_ERROR;
+ return ADV_ERROR;
+ }
+
+ iop_base = asc_dvc->iop_base;
+
+ /*
+ * Allocate a carrier ensuring at least one carrier always
+ * remains on the freelist and initialize fields.
+ */
+ if ((new_carrp = asc_dvc->carr_freelist) == NULL) {
+ return ADV_BUSY;
+ }
+ asc_dvc->carr_freelist = (ADV_CARR_T *)
+ ADV_U32_TO_VADDR(le32_to_cpu(new_carrp->next_vpa));
+ asc_dvc->carr_pending_cnt++;
+
+ /*
+ * Set the carrier to be a stopper by setting 'next_vpa'
+ * to the stopper value. The current stopper will be changed
+ * below to point to the new stopper.
+ */
+ new_carrp->next_vpa = cpu_to_le32(ASC_CQ_STOPPER);
+
+ /*
+ * Clear the ADV_SCSI_REQ_Q done flag.
+ */
+ scsiq->a_flag &= ~ADV_SCSIQ_DONE;
+
+ req_paddr = virt_to_bus(scsiq);
+ BUG_ON(req_paddr & 31);
+ /* Wait for assertion before making little-endian */
+ req_paddr = cpu_to_le32(req_paddr);
+
+ /* Save virtual and physical address of ADV_SCSI_REQ_Q and carrier. */
+ scsiq->scsiq_ptr = cpu_to_le32(ADV_VADDR_TO_U32(scsiq));
+ scsiq->scsiq_rptr = req_paddr;
+
+ scsiq->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->icq_sp));
+ /*
+ * Every ADV_CARR_T.carr_pa is byte swapped to little-endian
+ * order during initialization.
+ */
+ scsiq->carr_pa = asc_dvc->icq_sp->carr_pa;
+
+ /*
+ * Use the current stopper to send the ADV_SCSI_REQ_Q command to
+ * the microcode. The newly allocated stopper will become the new
+ * stopper.
+ */
+ asc_dvc->icq_sp->areq_vpa = req_paddr;
+
+ /*
+ * Set the 'next_vpa' pointer for the old stopper to be the
+ * physical address of the new stopper. The RISC can only
+ * follow physical addresses.
+ */
+ asc_dvc->icq_sp->next_vpa = new_carrp->carr_pa;
+
+ /*
+ * Set the host adapter stopper pointer to point to the new carrier.
+ */
+ asc_dvc->icq_sp = new_carrp;
+
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
+ asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ /*
+ * Tickle the RISC to tell it to read its Command Queue Head pointer.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A);
+ if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
+ /*
+ * Clear the tickle value. In the ASC-3550 the RISC flag
+ * command 'clr_tickle_a' does not work unless the host
+ * value is cleared.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_TICKLE,
+ ADV_TICKLE_NOP);
+ }
+ } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ /*
+ * Notify the RISC a carrier is ready by writing the physical
+ * address of the new carrier stopper to the COMMA register.
+ */
+ AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
+ le32_to_cpu(new_carrp->carr_pa));
+ }
+
+ return ADV_SUCCESS;
+}
+
+/*
+ * Execute a single 'Scsi_Cmnd'.
+ */
+static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp)
+{
+ int ret, err_code;
+ struct asc_board *boardp = shost_priv(scp->device->host);
+
+ ASC_DBG(1, "scp 0x%p\n", scp);
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
+ struct asc_scsi_q asc_scsi_q;
+
+ /* asc_build_req() can not return ASC_BUSY. */
+ ret = asc_build_req(boardp, scp, &asc_scsi_q);
+ if (ret == ASC_ERROR) {
+ ASC_STATS(scp->device->host, build_error);
+ return ASC_ERROR;
+ }
+
+ ret = AscExeScsiQueue(asc_dvc, &asc_scsi_q);
+ kfree(asc_scsi_q.sg_head);
+ err_code = asc_dvc->err_code;
+ } else {
+ ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var;
+ ADV_SCSI_REQ_Q *adv_scsiqp;
+
+ switch (adv_build_req(boardp, scp, &adv_scsiqp)) {
+ case ASC_NOERROR:
+ ASC_DBG(3, "adv_build_req ASC_NOERROR\n");
+ break;
+ case ASC_BUSY:
+ ASC_DBG(1, "adv_build_req ASC_BUSY\n");
+ /*
+ * The asc_stats fields 'adv_build_noreq' and
+ * 'adv_build_nosg' count wide board busy conditions.
+ * They are updated in adv_build_req and
+ * adv_get_sglist, respectively.
+ */
+ return ASC_BUSY;
+ case ASC_ERROR:
+ default:
+ ASC_DBG(1, "adv_build_req ASC_ERROR\n");
+ ASC_STATS(scp->device->host, build_error);
+ return ASC_ERROR;
+ }
+
+ ret = AdvExeScsiQueue(adv_dvc, adv_scsiqp);
+ err_code = adv_dvc->err_code;
+ }
+
+ switch (ret) {
+ case ASC_NOERROR:
+ ASC_STATS(scp->device->host, exe_noerror);
+ /*
+ * Increment monotonically increasing per device
+ * successful request counter. Wrapping doesn't matter.
+ */
+ boardp->reqcnt[scp->device->id]++;
+ ASC_DBG(1, "ExeScsiQueue() ASC_NOERROR\n");
+ break;
+ case ASC_BUSY:
+ ASC_STATS(scp->device->host, exe_busy);
+ break;
+ case ASC_ERROR:
+ scmd_printk(KERN_ERR, scp, "ExeScsiQueue() ASC_ERROR, "
+ "err_code 0x%x\n", err_code);
+ ASC_STATS(scp->device->host, exe_error);
+ scp->result = HOST_BYTE(DID_ERROR);
+ break;
+ default:
+ scmd_printk(KERN_ERR, scp, "ExeScsiQueue() unknown, "
+ "err_code 0x%x\n", err_code);
+ ASC_STATS(scp->device->host, exe_unknown);
+ scp->result = HOST_BYTE(DID_ERROR);
+ break;
+ }
+
+ ASC_DBG(1, "end\n");
+ return ret;
+}
+
+/*
+ * advansys_queuecommand() - interrupt-driven I/O entrypoint.
+ *
+ * This function always returns 0. Command return status is saved
+ * in the 'scp' result field.
+ */
+static int
+advansys_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
+{
+ struct Scsi_Host *shost = scp->device->host;
+ int asc_res, result = 0;
+
+ ASC_STATS(shost, queuecommand);
+ scp->scsi_done = done;
+
+ asc_res = asc_execute_scsi_cmnd(scp);
+
+ switch (asc_res) {
+ case ASC_NOERROR:
+ break;
+ case ASC_BUSY:
+ result = SCSI_MLQUEUE_HOST_BUSY;
+ break;
+ case ASC_ERROR:
+ default:
+ asc_scsi_done(scp);
+ break;
+ }
+
+ return result;
+}
+
+static DEF_SCSI_QCMD(advansys_queuecommand)
+
+static ushort AscGetEisaChipCfg(PortAddr iop_base)
+{
+ PortAddr eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
+ (PortAddr) (ASC_EISA_CFG_IOP_MASK);
+ return inpw(eisa_cfg_iop);
+}
+
+/*
+ * Return the BIOS address of the adapter at the specified
+ * I/O port and with the specified bus type.
+ */
+static unsigned short AscGetChipBiosAddress(PortAddr iop_base,
+ unsigned short bus_type)
+{
+ unsigned short cfg_lsw;
+ unsigned short bios_addr;
+
+ /*
+ * The PCI BIOS is re-located by the motherboard BIOS. Because
+ * of this the driver can not determine where a PCI BIOS is
+ * loaded and executes.
+ */
+ if (bus_type & ASC_IS_PCI)
+ return 0;
+
+ if ((bus_type & ASC_IS_EISA) != 0) {
+ cfg_lsw = AscGetEisaChipCfg(iop_base);
+ cfg_lsw &= 0x000F;
+ bios_addr = ASC_BIOS_MIN_ADDR + cfg_lsw * ASC_BIOS_BANK_SIZE;
+ return bios_addr;
+ }
+
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
+
+ /*
+ * ISA PnP uses the top bit as the 32K BIOS flag
+ */
+ if (bus_type == ASC_IS_ISAPNP)
+ cfg_lsw &= 0x7FFF;
+ bios_addr = ASC_BIOS_MIN_ADDR + (cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE;
+ return bios_addr;
+}
+
+static uchar AscSetChipScsiID(PortAddr iop_base, uchar new_host_id)
+{
+ ushort cfg_lsw;
+
+ if (AscGetChipScsiID(iop_base) == new_host_id) {
+ return (new_host_id);
+ }
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
+ cfg_lsw &= 0xF8FF;
+ cfg_lsw |= (ushort)((new_host_id & ASC_MAX_TID) << 8);
+ AscSetChipCfgLsw(iop_base, cfg_lsw);
+ return (AscGetChipScsiID(iop_base));
+}
+
+static unsigned char AscGetChipScsiCtrl(PortAddr iop_base)
+{
+ unsigned char sc;
+
+ AscSetBank(iop_base, 1);
+ sc = inp(iop_base + IOP_REG_SC);
+ AscSetBank(iop_base, 0);
+ return sc;
+}
+
+static unsigned char AscGetChipVersion(PortAddr iop_base,
+ unsigned short bus_type)
+{
+ if (bus_type & ASC_IS_EISA) {
+ PortAddr eisa_iop;
+ unsigned char revision;
+ eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
+ (PortAddr) ASC_EISA_REV_IOP_MASK;
+ revision = inp(eisa_iop);
+ return ASC_CHIP_MIN_VER_EISA - 1 + revision;
+ }
+ return AscGetChipVerNo(iop_base);
+}
+
+#ifdef CONFIG_ISA
+static void AscEnableIsaDma(uchar dma_channel)
+{
+ if (dma_channel < 4) {
+ outp(0x000B, (ushort)(0xC0 | dma_channel));
+ outp(0x000A, dma_channel);
+ } else if (dma_channel < 8) {
+ outp(0x00D6, (ushort)(0xC0 | (dma_channel - 4)));
+ outp(0x00D4, (ushort)(dma_channel - 4));
+ }
+}
+#endif /* CONFIG_ISA */
+
+static int AscStopQueueExe(PortAddr iop_base)
+{
+ int count = 0;
+
+ if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) {
+ AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
+ ASC_STOP_REQ_RISC_STOP);
+ do {
+ if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) &
+ ASC_STOP_ACK_RISC_STOP) {
+ return (1);
+ }
+ mdelay(100);
+ } while (count++ < 20);
+ }
+ return (0);
+}
+
+static ASC_DCNT AscGetMaxDmaCount(ushort bus_type)
+{
+ if (bus_type & ASC_IS_ISA)
+ return ASC_MAX_ISA_DMA_COUNT;
+ else if (bus_type & (ASC_IS_EISA | ASC_IS_VL))
+ return ASC_MAX_VL_DMA_COUNT;
+ return ASC_MAX_PCI_DMA_COUNT;
+}
+
+#ifdef CONFIG_ISA
+static ushort AscGetIsaDmaChannel(PortAddr iop_base)
+{
+ ushort channel;
+
+ channel = AscGetChipCfgLsw(iop_base) & 0x0003;
+ if (channel == 0x03)
+ return (0);
+ else if (channel == 0x00)
+ return (7);
+ return (channel + 4);
+}
+
+static ushort AscSetIsaDmaChannel(PortAddr iop_base, ushort dma_channel)
+{
+ ushort cfg_lsw;
+ uchar value;
+
+ if ((dma_channel >= 5) && (dma_channel <= 7)) {
+ if (dma_channel == 7)
+ value = 0x00;
+ else
+ value = dma_channel - 4;
+ cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC;
+ cfg_lsw |= value;
+ AscSetChipCfgLsw(iop_base, cfg_lsw);
+ return (AscGetIsaDmaChannel(iop_base));
+ }
+ return 0;
+}
+
+static uchar AscGetIsaDmaSpeed(PortAddr iop_base)
+{
+ uchar speed_value;
+
+ AscSetBank(iop_base, 1);
+ speed_value = AscReadChipDmaSpeed(iop_base);
+ speed_value &= 0x07;
+ AscSetBank(iop_base, 0);
+ return speed_value;
+}
+
+static uchar AscSetIsaDmaSpeed(PortAddr iop_base, uchar speed_value)
+{
+ speed_value &= 0x07;
+ AscSetBank(iop_base, 1);
+ AscWriteChipDmaSpeed(iop_base, speed_value);
+ AscSetBank(iop_base, 0);
+ return AscGetIsaDmaSpeed(iop_base);
+}
+#endif /* CONFIG_ISA */
+
+static ushort AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc)
+{
+ int i;
+ PortAddr iop_base;
+ ushort warn_code;
+ uchar chip_version;
+
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ asc_dvc->err_code = 0;
+ if ((asc_dvc->bus_type &
+ (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) {
+ asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE;
+ }
+ AscSetChipControl(iop_base, CC_HALT);
+ AscSetChipStatus(iop_base, 0);
+ asc_dvc->bug_fix_cntl = 0;
+ asc_dvc->pci_fix_asyn_xfer = 0;
+ asc_dvc->pci_fix_asyn_xfer_always = 0;
+ /* asc_dvc->init_state initialized in AscInitGetConfig(). */
+ asc_dvc->sdtr_done = 0;
+ asc_dvc->cur_total_qng = 0;
+ asc_dvc->is_in_int = 0;
+ asc_dvc->in_critical_cnt = 0;
+ asc_dvc->last_q_shortage = 0;
+ asc_dvc->use_tagged_qng = 0;
+ asc_dvc->no_scam = 0;
+ asc_dvc->unit_not_ready = 0;
+ asc_dvc->queue_full_or_busy = 0;
+ asc_dvc->redo_scam = 0;
+ asc_dvc->res2 = 0;
+ asc_dvc->min_sdtr_index = 0;
+ asc_dvc->cfg->can_tagged_qng = 0;
+ asc_dvc->cfg->cmd_qng_enabled = 0;
+ asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL;
+ asc_dvc->init_sdtr = 0;
+ asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG;
+ asc_dvc->scsi_reset_wait = 3;
+ asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET;
+ asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type);
+ asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET;
+ asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET;
+ asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID;
+ chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type);
+ asc_dvc->cfg->chip_version = chip_version;
+ asc_dvc->sdtr_period_tbl = asc_syn_xfer_period;
+ asc_dvc->max_sdtr_index = 7;
+ if ((asc_dvc->bus_type & ASC_IS_PCI) &&
+ (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) {
+ asc_dvc->bus_type = ASC_IS_PCI_ULTRA;
+ asc_dvc->sdtr_period_tbl = asc_syn_ultra_xfer_period;
+ asc_dvc->max_sdtr_index = 15;
+ if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) {
+ AscSetExtraControl(iop_base,
+ (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
+ } else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) {
+ AscSetExtraControl(iop_base,
+ (SEC_ACTIVE_NEGATE |
+ SEC_ENABLE_FILTER));
+ }
+ }
+ if (asc_dvc->bus_type == ASC_IS_PCI) {
+ AscSetExtraControl(iop_base,
+ (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
+ }
+
+ asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED;
+#ifdef CONFIG_ISA
+ if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) {
+ if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) {
+ AscSetChipIFC(iop_base, IFC_INIT_DEFAULT);
+ asc_dvc->bus_type = ASC_IS_ISAPNP;
+ }
+ asc_dvc->cfg->isa_dma_channel =
+ (uchar)AscGetIsaDmaChannel(iop_base);
+ }
+#endif /* CONFIG_ISA */
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ asc_dvc->cur_dvc_qng[i] = 0;
+ asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG;
+ asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *)0L;
+ asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *)0L;
+ asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG;
+ }
+ return warn_code;
+}
+
+static int AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg)
+{
+ int retry;
+
+ for (retry = 0; retry < ASC_EEP_MAX_RETRY; retry++) {
+ unsigned char read_back;
+ AscSetChipEEPCmd(iop_base, cmd_reg);
+ mdelay(1);
+ read_back = AscGetChipEEPCmd(iop_base);
+ if (read_back == cmd_reg)
+ return 1;
+ }
+ return 0;
+}
+
+static void AscWaitEEPRead(void)
+{
+ mdelay(1);
+}
+
+static ushort AscReadEEPWord(PortAddr iop_base, uchar addr)
+{
+ ushort read_wval;
+ uchar cmd_reg;
+
+ AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
+ AscWaitEEPRead();
+ cmd_reg = addr | ASC_EEP_CMD_READ;
+ AscWriteEEPCmdReg(iop_base, cmd_reg);
+ AscWaitEEPRead();
+ read_wval = AscGetChipEEPData(iop_base);
+ AscWaitEEPRead();
+ return read_wval;
+}
+
+static ushort AscGetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
+ ushort bus_type)
+{
+ ushort wval;
+ ushort sum;
+ ushort *wbuf;
+ int cfg_beg;
+ int cfg_end;
+ int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
+ int s_addr;
+
+ wbuf = (ushort *)cfg_buf;
+ sum = 0;
+ /* Read two config words; Byte-swapping done by AscReadEEPWord(). */
+ for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
+ *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
+ sum += *wbuf;
+ }
+ if (bus_type & ASC_IS_VL) {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
+ } else {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR;
+ }
+ for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
+ wval = AscReadEEPWord(iop_base, (uchar)s_addr);
+ if (s_addr <= uchar_end_in_config) {
+ /*
+ * Swap all char fields - must unswap bytes already swapped
+ * by AscReadEEPWord().
+ */
+ *wbuf = le16_to_cpu(wval);
+ } else {
+ /* Don't swap word field at the end - cntl field. */
+ *wbuf = wval;
+ }
+ sum += wval; /* Checksum treats all EEPROM data as words. */
+ }
+ /*
+ * Read the checksum word which will be compared against 'sum'
+ * by the caller. Word field already swapped.
+ */
+ *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
+ return sum;
+}
+
+static int AscTestExternalLram(ASC_DVC_VAR *asc_dvc)
+{
+ PortAddr iop_base;
+ ushort q_addr;
+ ushort saved_word;
+ int sta;
+
+ iop_base = asc_dvc->iop_base;
+ sta = 0;
+ q_addr = ASC_QNO_TO_QADDR(241);
+ saved_word = AscReadLramWord(iop_base, q_addr);
+ AscSetChipLramAddr(iop_base, q_addr);
+ AscSetChipLramData(iop_base, 0x55AA);
+ mdelay(10);
+ AscSetChipLramAddr(iop_base, q_addr);
+ if (AscGetChipLramData(iop_base) == 0x55AA) {
+ sta = 1;
+ AscWriteLramWord(iop_base, q_addr, saved_word);
+ }
+ return (sta);
+}
+
+static void AscWaitEEPWrite(void)
+{
+ mdelay(20);
+}
+
+static int AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg)
+{
+ ushort read_back;
+ int retry;
+
+ retry = 0;
+ while (TRUE) {
+ AscSetChipEEPData(iop_base, data_reg);
+ mdelay(1);
+ read_back = AscGetChipEEPData(iop_base);
+ if (read_back == data_reg) {
+ return (1);
+ }
+ if (retry++ > ASC_EEP_MAX_RETRY) {
+ return (0);
+ }
+ }
+}
+
+static ushort AscWriteEEPWord(PortAddr iop_base, uchar addr, ushort word_val)
+{
+ ushort read_wval;
+
+ read_wval = AscReadEEPWord(iop_base, addr);
+ if (read_wval != word_val) {
+ AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE);
+ AscWaitEEPRead();
+ AscWriteEEPDataReg(iop_base, word_val);
+ AscWaitEEPRead();
+ AscWriteEEPCmdReg(iop_base,
+ (uchar)((uchar)ASC_EEP_CMD_WRITE | addr));
+ AscWaitEEPWrite();
+ AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
+ AscWaitEEPRead();
+ return (AscReadEEPWord(iop_base, addr));
+ }
+ return (read_wval);
+}
+
+static int AscSetEEPConfigOnce(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
+ ushort bus_type)
+{
+ int n_error;
+ ushort *wbuf;
+ ushort word;
+ ushort sum;
+ int s_addr;
+ int cfg_beg;
+ int cfg_end;
+ int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
+
+ wbuf = (ushort *)cfg_buf;
+ n_error = 0;
+ sum = 0;
+ /* Write two config words; AscWriteEEPWord() will swap bytes. */
+ for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
+ sum += *wbuf;
+ if (*wbuf != AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
+ n_error++;
+ }
+ }
+ if (bus_type & ASC_IS_VL) {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
+ } else {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR;
+ }
+ for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
+ if (s_addr <= uchar_end_in_config) {
+ /*
+ * This is a char field. Swap char fields before they are
+ * swapped again by AscWriteEEPWord().
+ */
+ word = cpu_to_le16(*wbuf);
+ if (word !=
+ AscWriteEEPWord(iop_base, (uchar)s_addr, word)) {
+ n_error++;
+ }
+ } else {
+ /* Don't swap word field at the end - cntl field. */
+ if (*wbuf !=
+ AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
+ n_error++;
+ }
+ }
+ sum += *wbuf; /* Checksum calculated from word values. */
+ }
+ /* Write checksum word. It will be swapped by AscWriteEEPWord(). */
+ *wbuf = sum;
+ if (sum != AscWriteEEPWord(iop_base, (uchar)s_addr, sum)) {
+ n_error++;
+ }
+
+ /* Read EEPROM back again. */
+ wbuf = (ushort *)cfg_buf;
+ /*
+ * Read two config words; Byte-swapping done by AscReadEEPWord().
+ */
+ for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
+ if (*wbuf != AscReadEEPWord(iop_base, (uchar)s_addr)) {
+ n_error++;
+ }
+ }
+ if (bus_type & ASC_IS_VL) {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
+ } else {
+ cfg_beg = ASC_EEP_DVC_CFG_BEG;
+ cfg_end = ASC_EEP_MAX_DVC_ADDR;
+ }
+ for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
+ if (s_addr <= uchar_end_in_config) {
+ /*
+ * Swap all char fields. Must unswap bytes already swapped
+ * by AscReadEEPWord().
+ */
+ word =
+ le16_to_cpu(AscReadEEPWord
+ (iop_base, (uchar)s_addr));
+ } else {
+ /* Don't swap word field at the end - cntl field. */
+ word = AscReadEEPWord(iop_base, (uchar)s_addr);
+ }
+ if (*wbuf != word) {
+ n_error++;
+ }
+ }
+ /* Read checksum; Byte swapping not needed. */
+ if (AscReadEEPWord(iop_base, (uchar)s_addr) != sum) {
+ n_error++;
+ }
+ return n_error;
+}
+
+static int AscSetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
+ ushort bus_type)
+{
+ int retry;
+ int n_error;
+
+ retry = 0;
+ while (TRUE) {
+ if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf,
+ bus_type)) == 0) {
+ break;
+ }
+ if (++retry > ASC_EEP_MAX_RETRY) {
+ break;
+ }
+ }
+ return n_error;
+}
+
+static ushort AscInitFromEEP(ASC_DVC_VAR *asc_dvc)
+{
+ ASCEEP_CONFIG eep_config_buf;
+ ASCEEP_CONFIG *eep_config;
+ PortAddr iop_base;
+ ushort chksum;
+ ushort warn_code;
+ ushort cfg_msw, cfg_lsw;
+ int i;
+ int write_eep = 0;
+
+ iop_base = asc_dvc->iop_base;
+ warn_code = 0;
+ AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE);
+ AscStopQueueExe(iop_base);
+ if ((AscStopChip(iop_base) == FALSE) ||
+ (AscGetChipScsiCtrl(iop_base) != 0)) {
+ asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE;
+ AscResetChipAndScsiBus(asc_dvc);
+ mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
+ }
+ if (AscIsChipHalted(iop_base) == FALSE) {
+ asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
+ return (warn_code);
+ }
+ AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
+ if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
+ asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
+ return (warn_code);
+ }
+ eep_config = (ASCEEP_CONFIG *)&eep_config_buf;
+ cfg_msw = AscGetChipCfgMsw(iop_base);
+ cfg_lsw = AscGetChipCfgLsw(iop_base);
+ if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
+ cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
+ warn_code |= ASC_WARN_CFG_MSW_RECOVER;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ }
+ chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type);
+ ASC_DBG(1, "chksum 0x%x\n", chksum);
+ if (chksum == 0) {
+ chksum = 0xaa55;
+ }
+ if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
+ warn_code |= ASC_WARN_AUTO_CONFIG;
+ if (asc_dvc->cfg->chip_version == 3) {
+ if (eep_config->cfg_lsw != cfg_lsw) {
+ warn_code |= ASC_WARN_EEPROM_RECOVER;
+ eep_config->cfg_lsw =
+ AscGetChipCfgLsw(iop_base);
+ }
+ if (eep_config->cfg_msw != cfg_msw) {
+ warn_code |= ASC_WARN_EEPROM_RECOVER;
+ eep_config->cfg_msw =
+ AscGetChipCfgMsw(iop_base);
+ }
+ }
+ }
+ eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
+ eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON;
+ ASC_DBG(1, "eep_config->chksum 0x%x\n", eep_config->chksum);
+ if (chksum != eep_config->chksum) {
+ if (AscGetChipVersion(iop_base, asc_dvc->bus_type) ==
+ ASC_CHIP_VER_PCI_ULTRA_3050) {
+ ASC_DBG(1, "chksum error ignored; EEPROM-less board\n");
+ eep_config->init_sdtr = 0xFF;
+ eep_config->disc_enable = 0xFF;
+ eep_config->start_motor = 0xFF;
+ eep_config->use_cmd_qng = 0;
+ eep_config->max_total_qng = 0xF0;
+ eep_config->max_tag_qng = 0x20;
+ eep_config->cntl = 0xBFFF;
+ ASC_EEP_SET_CHIP_ID(eep_config, 7);
+ eep_config->no_scam = 0;
+ eep_config->adapter_info[0] = 0;
+ eep_config->adapter_info[1] = 0;
+ eep_config->adapter_info[2] = 0;
+ eep_config->adapter_info[3] = 0;
+ eep_config->adapter_info[4] = 0;
+ /* Indicate EEPROM-less board. */
+ eep_config->adapter_info[5] = 0xBB;
+ } else {
+ ASC_PRINT
+ ("AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n");
+ write_eep = 1;
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
+ }
+ }
+ asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr;
+ asc_dvc->cfg->disc_enable = eep_config->disc_enable;
+ asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng;
+ asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config);
+ asc_dvc->start_motor = eep_config->start_motor;
+ asc_dvc->dvc_cntl = eep_config->cntl;
+ asc_dvc->no_scam = eep_config->no_scam;
+ asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0];
+ asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1];
+ asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2];
+ asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3];
+ asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4];
+ asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5];
+ if (!AscTestExternalLram(asc_dvc)) {
+ if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) ==
+ ASC_IS_PCI_ULTRA)) {
+ eep_config->max_total_qng =
+ ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG;
+ eep_config->max_tag_qng =
+ ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG;
+ } else {
+ eep_config->cfg_msw |= 0x0800;
+ cfg_msw |= 0x0800;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG;
+ eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG;
+ }
+ } else {
+ }
+ if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) {
+ eep_config->max_total_qng = ASC_MIN_TOTAL_QNG;
+ }
+ if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) {
+ eep_config->max_total_qng = ASC_MAX_TOTAL_QNG;
+ }
+ if (eep_config->max_tag_qng > eep_config->max_total_qng) {
+ eep_config->max_tag_qng = eep_config->max_total_qng;
+ }
+ if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) {
+ eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC;
+ }
+ asc_dvc->max_total_qng = eep_config->max_total_qng;
+ if ((eep_config->use_cmd_qng & eep_config->disc_enable) !=
+ eep_config->use_cmd_qng) {
+ eep_config->disc_enable = eep_config->use_cmd_qng;
+ warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
+ }
+ ASC_EEP_SET_CHIP_ID(eep_config,
+ ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID);
+ asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config);
+ if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) &&
+ !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) {
+ asc_dvc->min_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX;
+ }
+
+ for (i = 0; i <= ASC_MAX_TID; i++) {
+ asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i];
+ asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng;
+ asc_dvc->cfg->sdtr_period_offset[i] =
+ (uchar)(ASC_DEF_SDTR_OFFSET |
+ (asc_dvc->min_sdtr_index << 4));
+ }
+ eep_config->cfg_msw = AscGetChipCfgMsw(iop_base);
+ if (write_eep) {
+ if ((i = AscSetEEPConfig(iop_base, eep_config,
+ asc_dvc->bus_type)) != 0) {
+ ASC_PRINT1
+ ("AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n",
+ i);
+ } else {
+ ASC_PRINT
+ ("AscInitFromEEP: Successfully re-wrote EEPROM.\n");
+ }
+ }
+ return (warn_code);
+}
+
+static int AscInitGetConfig(struct Scsi_Host *shost)
+{
+ struct asc_board *board = shost_priv(shost);
+ ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var;
+ unsigned short warn_code = 0;
+
+ asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG;
+ if (asc_dvc->err_code != 0)
+ return asc_dvc->err_code;
+
+ if (AscFindSignature(asc_dvc->iop_base)) {
+ warn_code |= AscInitAscDvcVar(asc_dvc);
+ warn_code |= AscInitFromEEP(asc_dvc);
+ asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG;
+ if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT)
+ asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT;
+ } else {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ }
+
+ switch (warn_code) {
+ case 0: /* No error */
+ break;
+ case ASC_WARN_IO_PORT_ROTATE:
+ shost_printk(KERN_WARNING, shost, "I/O port address "
+ "modified\n");
+ break;
+ case ASC_WARN_AUTO_CONFIG:
+ shost_printk(KERN_WARNING, shost, "I/O port increment switch "
+ "enabled\n");
+ break;
+ case ASC_WARN_EEPROM_CHKSUM:
+ shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n");
+ break;
+ case ASC_WARN_IRQ_MODIFIED:
+ shost_printk(KERN_WARNING, shost, "IRQ modified\n");
+ break;
+ case ASC_WARN_CMD_QNG_CONFLICT:
+ shost_printk(KERN_WARNING, shost, "tag queuing enabled w/o "
+ "disconnects\n");
+ break;
+ default:
+ shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n",
+ warn_code);
+ break;
+ }
+
+ if (asc_dvc->err_code != 0)
+ shost_printk(KERN_ERR, shost, "error 0x%x at init_state "
+ "0x%x\n", asc_dvc->err_code, asc_dvc->init_state);
+
+ return asc_dvc->err_code;
+}
+
+static int AscInitSetConfig(struct pci_dev *pdev, struct Scsi_Host *shost)
+{
+ struct asc_board *board = shost_priv(shost);
+ ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var;
+ PortAddr iop_base = asc_dvc->iop_base;
+ unsigned short cfg_msw;
+ unsigned short warn_code = 0;
+
+ asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG;
+ if (asc_dvc->err_code != 0)
+ return asc_dvc->err_code;
+ if (!AscFindSignature(asc_dvc->iop_base)) {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ return asc_dvc->err_code;
+ }
+
+ cfg_msw = AscGetChipCfgMsw(iop_base);
+ if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
+ cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
+ warn_code |= ASC_WARN_CFG_MSW_RECOVER;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ }
+ if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) !=
+ asc_dvc->cfg->cmd_qng_enabled) {
+ asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled;
+ warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
+ }
+ if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
+ warn_code |= ASC_WARN_AUTO_CONFIG;
+ }
+#ifdef CONFIG_PCI
+ if (asc_dvc->bus_type & ASC_IS_PCI) {
+ cfg_msw &= 0xFFC0;
+ AscSetChipCfgMsw(iop_base, cfg_msw);
+ if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) {
+ } else {
+ if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
+ (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
+ asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB;
+ asc_dvc->bug_fix_cntl |=
+ ASC_BUG_FIX_ASYN_USE_SYN;
+ }
+ }
+ } else
+#endif /* CONFIG_PCI */
+ if (asc_dvc->bus_type == ASC_IS_ISAPNP) {
+ if (AscGetChipVersion(iop_base, asc_dvc->bus_type)
+ == ASC_CHIP_VER_ASYN_BUG) {
+ asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN;
+ }
+ }
+ if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) !=
+ asc_dvc->cfg->chip_scsi_id) {
+ asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID;
+ }
+#ifdef CONFIG_ISA
+ if (asc_dvc->bus_type & ASC_IS_ISA) {
+ AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel);
+ AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed);
+ }
+#endif /* CONFIG_ISA */
+
+ asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG;
+
+ switch (warn_code) {
+ case 0: /* No error. */
+ break;
+ case ASC_WARN_IO_PORT_ROTATE:
+ shost_printk(KERN_WARNING, shost, "I/O port address "
+ "modified\n");
+ break;
+ case ASC_WARN_AUTO_CONFIG:
+ shost_printk(KERN_WARNING, shost, "I/O port increment switch "
+ "enabled\n");
+ break;
+ case ASC_WARN_EEPROM_CHKSUM:
+ shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n");
+ break;
+ case ASC_WARN_IRQ_MODIFIED:
+ shost_printk(KERN_WARNING, shost, "IRQ modified\n");
+ break;
+ case ASC_WARN_CMD_QNG_CONFLICT:
+ shost_printk(KERN_WARNING, shost, "tag queuing w/o "
+ "disconnects\n");
+ break;
+ default:
+ shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n",
+ warn_code);
+ break;
+ }
+
+ if (asc_dvc->err_code != 0)
+ shost_printk(KERN_ERR, shost, "error 0x%x at init_state "
+ "0x%x\n", asc_dvc->err_code, asc_dvc->init_state);
+
+ return asc_dvc->err_code;
+}
+
+/*
+ * EEPROM Configuration.
+ *
+ * All drivers should use this structure to set the default EEPROM
+ * configuration. The BIOS now uses this structure when it is built.
+ * Additional structure information can be found in a_condor.h where
+ * the structure is defined.
+ *
+ * The *_Field_IsChar structs are needed to correct for endianness.
+ * These values are read from the board 16 bits at a time directly
+ * into the structs. Because some fields are char, the values will be
+ * in the wrong order. The *_Field_IsChar tells when to flip the
+ * bytes. Data read and written to PCI memory is automatically swapped
+ * on big-endian platforms so char fields read as words are actually being
+ * unswapped on big-endian platforms.
+ */
+static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config = {
+ ADV_EEPROM_BIOS_ENABLE, /* cfg_lsw */
+ 0x0000, /* cfg_msw */
+ 0xFFFF, /* disc_enable */
+ 0xFFFF, /* wdtr_able */
+ 0xFFFF, /* sdtr_able */
+ 0xFFFF, /* start_motor */
+ 0xFFFF, /* tagqng_able */
+ 0xFFFF, /* bios_scan */
+ 0, /* scam_tolerant */
+ 7, /* adapter_scsi_id */
+ 0, /* bios_boot_delay */
+ 3, /* scsi_reset_delay */
+ 0, /* bios_id_lun */
+ 0, /* termination */
+ 0, /* reserved1 */
+ 0xFFE7, /* bios_ctrl */
+ 0xFFFF, /* ultra_able */
+ 0, /* reserved2 */
+ ASC_DEF_MAX_HOST_QNG, /* max_host_qng */
+ ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
+ 0, /* dvc_cntl */
+ 0, /* bug_fix */
+ 0, /* serial_number_word1 */
+ 0, /* serial_number_word2 */
+ 0, /* serial_number_word3 */
+ 0, /* check_sum */
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ , /* oem_name[16] */
+ 0, /* dvc_err_code */
+ 0, /* adv_err_code */
+ 0, /* adv_err_addr */
+ 0, /* saved_dvc_err_code */
+ 0, /* saved_adv_err_code */
+ 0, /* saved_adv_err_addr */
+ 0 /* num_of_err */
+};
+
+static ADVEEP_3550_CONFIG ADVEEP_3550_Config_Field_IsChar = {
+ 0, /* cfg_lsw */
+ 0, /* cfg_msw */
+ 0, /* -disc_enable */
+ 0, /* wdtr_able */
+ 0, /* sdtr_able */
+ 0, /* start_motor */
+ 0, /* tagqng_able */
+ 0, /* bios_scan */
+ 0, /* scam_tolerant */
+ 1, /* adapter_scsi_id */
+ 1, /* bios_boot_delay */
+ 1, /* scsi_reset_delay */
+ 1, /* bios_id_lun */
+ 1, /* termination */
+ 1, /* reserved1 */
+ 0, /* bios_ctrl */
+ 0, /* ultra_able */
+ 0, /* reserved2 */
+ 1, /* max_host_qng */
+ 1, /* max_dvc_qng */
+ 0, /* dvc_cntl */
+ 0, /* bug_fix */
+ 0, /* serial_number_word1 */
+ 0, /* serial_number_word2 */
+ 0, /* serial_number_word3 */
+ 0, /* check_sum */
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
+ , /* oem_name[16] */
+ 0, /* dvc_err_code */
+ 0, /* adv_err_code */
+ 0, /* adv_err_addr */
+ 0, /* saved_dvc_err_code */
+ 0, /* saved_adv_err_code */
+ 0, /* saved_adv_err_addr */
+ 0 /* num_of_err */
+};
+
+static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config = {
+ ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
+ 0x0000, /* 01 cfg_msw */
+ 0xFFFF, /* 02 disc_enable */
+ 0xFFFF, /* 03 wdtr_able */
+ 0x4444, /* 04 sdtr_speed1 */
+ 0xFFFF, /* 05 start_motor */
+ 0xFFFF, /* 06 tagqng_able */
+ 0xFFFF, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 7, /* 09 adapter_scsi_id */
+ 0, /* bios_boot_delay */
+ 3, /* 10 scsi_reset_delay */
+ 0, /* bios_id_lun */
+ 0, /* 11 termination_se */
+ 0, /* termination_lvd */
+ 0xFFE7, /* 12 bios_ctrl */
+ 0x4444, /* 13 sdtr_speed2 */
+ 0x4444, /* 14 sdtr_speed3 */
+ ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
+ ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0x4444, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ PCI_VENDOR_ID_ASP, /* 58 subsysvid */
+ PCI_DEVICE_ID_38C0800_REV1, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
+
+static ADVEEP_38C0800_CONFIG ADVEEP_38C0800_Config_Field_IsChar = {
+ 0, /* 00 cfg_lsw */
+ 0, /* 01 cfg_msw */
+ 0, /* 02 disc_enable */
+ 0, /* 03 wdtr_able */
+ 0, /* 04 sdtr_speed1 */
+ 0, /* 05 start_motor */
+ 0, /* 06 tagqng_able */
+ 0, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 1, /* 09 adapter_scsi_id */
+ 1, /* bios_boot_delay */
+ 1, /* 10 scsi_reset_delay */
+ 1, /* bios_id_lun */
+ 1, /* 11 termination_se */
+ 1, /* termination_lvd */
+ 0, /* 12 bios_ctrl */
+ 0, /* 13 sdtr_speed2 */
+ 0, /* 14 sdtr_speed3 */
+ 1, /* 15 max_host_qng */
+ 1, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ 0, /* 58 subsysvid */
+ 0, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
+
+static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config = {
+ ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
+ 0x0000, /* 01 cfg_msw */
+ 0xFFFF, /* 02 disc_enable */
+ 0xFFFF, /* 03 wdtr_able */
+ 0x5555, /* 04 sdtr_speed1 */
+ 0xFFFF, /* 05 start_motor */
+ 0xFFFF, /* 06 tagqng_able */
+ 0xFFFF, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 7, /* 09 adapter_scsi_id */
+ 0, /* bios_boot_delay */
+ 3, /* 10 scsi_reset_delay */
+ 0, /* bios_id_lun */
+ 0, /* 11 termination_se */
+ 0, /* termination_lvd */
+ 0xFFE7, /* 12 bios_ctrl */
+ 0x5555, /* 13 sdtr_speed2 */
+ 0x5555, /* 14 sdtr_speed3 */
+ ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
+ ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0x5555, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ PCI_VENDOR_ID_ASP, /* 58 subsysvid */
+ PCI_DEVICE_ID_38C1600_REV1, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
+
+static ADVEEP_38C1600_CONFIG ADVEEP_38C1600_Config_Field_IsChar = {
+ 0, /* 00 cfg_lsw */
+ 0, /* 01 cfg_msw */
+ 0, /* 02 disc_enable */
+ 0, /* 03 wdtr_able */
+ 0, /* 04 sdtr_speed1 */
+ 0, /* 05 start_motor */
+ 0, /* 06 tagqng_able */
+ 0, /* 07 bios_scan */
+ 0, /* 08 scam_tolerant */
+ 1, /* 09 adapter_scsi_id */
+ 1, /* bios_boot_delay */
+ 1, /* 10 scsi_reset_delay */
+ 1, /* bios_id_lun */
+ 1, /* 11 termination_se */
+ 1, /* termination_lvd */
+ 0, /* 12 bios_ctrl */
+ 0, /* 13 sdtr_speed2 */
+ 0, /* 14 sdtr_speed3 */
+ 1, /* 15 max_host_qng */
+ 1, /* max_dvc_qng */
+ 0, /* 16 dvc_cntl */
+ 0, /* 17 sdtr_speed4 */
+ 0, /* 18 serial_number_word1 */
+ 0, /* 19 serial_number_word2 */
+ 0, /* 20 serial_number_word3 */
+ 0, /* 21 check_sum */
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
+ , /* 22-29 oem_name[16] */
+ 0, /* 30 dvc_err_code */
+ 0, /* 31 adv_err_code */
+ 0, /* 32 adv_err_addr */
+ 0, /* 33 saved_dvc_err_code */
+ 0, /* 34 saved_adv_err_code */
+ 0, /* 35 saved_adv_err_addr */
+ 0, /* 36 reserved */
+ 0, /* 37 reserved */
+ 0, /* 38 reserved */
+ 0, /* 39 reserved */
+ 0, /* 40 reserved */
+ 0, /* 41 reserved */
+ 0, /* 42 reserved */
+ 0, /* 43 reserved */
+ 0, /* 44 reserved */
+ 0, /* 45 reserved */
+ 0, /* 46 reserved */
+ 0, /* 47 reserved */
+ 0, /* 48 reserved */
+ 0, /* 49 reserved */
+ 0, /* 50 reserved */
+ 0, /* 51 reserved */
+ 0, /* 52 reserved */
+ 0, /* 53 reserved */
+ 0, /* 54 reserved */
+ 0, /* 55 reserved */
+ 0, /* 56 cisptr_lsw */
+ 0, /* 57 cisprt_msw */
+ 0, /* 58 subsysvid */
+ 0, /* 59 subsysid */
+ 0, /* 60 reserved */
+ 0, /* 61 reserved */
+ 0, /* 62 reserved */
+ 0 /* 63 reserved */
+};
+
+#ifdef CONFIG_PCI
+/*
+ * Wait for EEPROM command to complete
+ */
+static void AdvWaitEEPCmd(AdvPortAddr iop_base)
+{
+ int eep_delay_ms;
+
+ for (eep_delay_ms = 0; eep_delay_ms < ADV_EEP_DELAY_MS; eep_delay_ms++) {
+ if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) &
+ ASC_EEP_CMD_DONE) {
+ break;
+ }
+ mdelay(1);
+ }
+ if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) ==
+ 0)
+ BUG();
+}
+
+/*
+ * Read the EEPROM from specified location
+ */
+static ushort AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr)
+{
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_READ | eep_word_addr);
+ AdvWaitEEPCmd(iop_base);
+ return AdvReadWordRegister(iop_base, IOPW_EE_DATA);
+}
+
+/*
+ * Write the EEPROM from 'cfg_buf'.
+ */
+static void AdvSet3550EEPConfig(AdvPortAddr iop_base,
+ ADVEEP_3550_CONFIG *cfg_buf)
+{
+ ushort *wbuf;
+ ushort addr, chksum;
+ ushort *charfields;
+
+ wbuf = (ushort *)cfg_buf;
+ charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
+ chksum = 0;
+
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
+ AdvWaitEEPCmd(iop_base);
+
+ /*
+ * Write EEPROM from word 0 to word 20.
+ */
+ for (addr = ADV_EEP_DVC_CFG_BEGIN;
+ addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
+ ushort word;
+
+ if (*charfields++) {
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
+ }
+ chksum += *wbuf; /* Checksum is calculated from word values. */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ mdelay(ADV_EEP_DELAY_MS);
+ }
+
+ /*
+ * Write EEPROM checksum at word 21.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ wbuf++;
+ charfields++;
+
+ /*
+ * Write EEPROM OEM name at words 22 to 29.
+ */
+ for (addr = ADV_EEP_DVC_CTL_BEGIN;
+ addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
+ ushort word;
+
+ if (*charfields++) {
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
+ }
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ }
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
+ AdvWaitEEPCmd(iop_base);
+}
+
+/*
+ * Write the EEPROM from 'cfg_buf'.
+ */
+static void AdvSet38C0800EEPConfig(AdvPortAddr iop_base,
+ ADVEEP_38C0800_CONFIG *cfg_buf)
+{
+ ushort *wbuf;
+ ushort *charfields;
+ ushort addr, chksum;
+
+ wbuf = (ushort *)cfg_buf;
+ charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
+ chksum = 0;
+
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
+ AdvWaitEEPCmd(iop_base);
+
+ /*
+ * Write EEPROM from word 0 to word 20.
+ */
+ for (addr = ADV_EEP_DVC_CFG_BEGIN;
+ addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
+ ushort word;
+
+ if (*charfields++) {
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
+ }
+ chksum += *wbuf; /* Checksum is calculated from word values. */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ mdelay(ADV_EEP_DELAY_MS);
+ }
+
+ /*
+ * Write EEPROM checksum at word 21.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ wbuf++;
+ charfields++;
+
+ /*
+ * Write EEPROM OEM name at words 22 to 29.
+ */
+ for (addr = ADV_EEP_DVC_CTL_BEGIN;
+ addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
+ ushort word;
+
+ if (*charfields++) {
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
+ }
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ }
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
+ AdvWaitEEPCmd(iop_base);
+}
+
+/*
+ * Write the EEPROM from 'cfg_buf'.
+ */
+static void AdvSet38C1600EEPConfig(AdvPortAddr iop_base,
+ ADVEEP_38C1600_CONFIG *cfg_buf)
+{
+ ushort *wbuf;
+ ushort *charfields;
+ ushort addr, chksum;
+
+ wbuf = (ushort *)cfg_buf;
+ charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
+ chksum = 0;
+
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
+ AdvWaitEEPCmd(iop_base);
+
+ /*
+ * Write EEPROM from word 0 to word 20.
+ */
+ for (addr = ADV_EEP_DVC_CFG_BEGIN;
+ addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
+ ushort word;
+
+ if (*charfields++) {
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
+ }
+ chksum += *wbuf; /* Checksum is calculated from word values. */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ mdelay(ADV_EEP_DELAY_MS);
+ }
+
+ /*
+ * Write EEPROM checksum at word 21.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ wbuf++;
+ charfields++;
+
+ /*
+ * Write EEPROM OEM name at words 22 to 29.
+ */
+ for (addr = ADV_EEP_DVC_CTL_BEGIN;
+ addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
+ ushort word;
+
+ if (*charfields++) {
+ word = cpu_to_le16(*wbuf);
+ } else {
+ word = *wbuf;
+ }
+ AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
+ ASC_EEP_CMD_WRITE | addr);
+ AdvWaitEEPCmd(iop_base);
+ }
+ AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
+ AdvWaitEEPCmd(iop_base);
+}
+
+/*
+ * Read EEPROM configuration into the specified buffer.
+ *
+ * Return a checksum based on the EEPROM configuration read.
+ */
+static ushort AdvGet3550EEPConfig(AdvPortAddr iop_base,
+ ADVEEP_3550_CONFIG *cfg_buf)
+{
+ ushort wval, chksum;
+ ushort *wbuf;
+ int eep_addr;
+ ushort *charfields;
+
+ charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
+ wbuf = (ushort *)cfg_buf;
+ chksum = 0;
+
+ for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
+ eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
+ wval = AdvReadEEPWord(iop_base, eep_addr);
+ chksum += wval; /* Checksum is calculated from word values. */
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(wval);
+ } else {
+ *wbuf = wval;
+ }
+ }
+ /* Read checksum word. */
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ wbuf++;
+ charfields++;
+
+ /* Read rest of EEPROM not covered by the checksum. */
+ for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
+ eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(*wbuf);
+ }
+ }
+ return chksum;
+}
+
+/*
+ * Read EEPROM configuration into the specified buffer.
+ *
+ * Return a checksum based on the EEPROM configuration read.
+ */
+static ushort AdvGet38C0800EEPConfig(AdvPortAddr iop_base,
+ ADVEEP_38C0800_CONFIG *cfg_buf)
+{
+ ushort wval, chksum;
+ ushort *wbuf;
+ int eep_addr;
+ ushort *charfields;
+
+ charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
+ wbuf = (ushort *)cfg_buf;
+ chksum = 0;
+
+ for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
+ eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
+ wval = AdvReadEEPWord(iop_base, eep_addr);
+ chksum += wval; /* Checksum is calculated from word values. */
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(wval);
+ } else {
+ *wbuf = wval;
+ }
+ }
+ /* Read checksum word. */
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ wbuf++;
+ charfields++;
+
+ /* Read rest of EEPROM not covered by the checksum. */
+ for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
+ eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(*wbuf);
+ }
+ }
+ return chksum;
+}
+
+/*
+ * Read EEPROM configuration into the specified buffer.
+ *
+ * Return a checksum based on the EEPROM configuration read.
+ */
+static ushort AdvGet38C1600EEPConfig(AdvPortAddr iop_base,
+ ADVEEP_38C1600_CONFIG *cfg_buf)
+{
+ ushort wval, chksum;
+ ushort *wbuf;
+ int eep_addr;
+ ushort *charfields;
+
+ charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
+ wbuf = (ushort *)cfg_buf;
+ chksum = 0;
+
+ for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
+ eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
+ wval = AdvReadEEPWord(iop_base, eep_addr);
+ chksum += wval; /* Checksum is calculated from word values. */
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(wval);
+ } else {
+ *wbuf = wval;
+ }
+ }
+ /* Read checksum word. */
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ wbuf++;
+ charfields++;
+
+ /* Read rest of EEPROM not covered by the checksum. */
+ for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
+ eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
+ *wbuf = AdvReadEEPWord(iop_base, eep_addr);
+ if (*charfields++) {
+ *wbuf = le16_to_cpu(*wbuf);
+ }
+ }
+ return chksum;
+}
+
+/*
+ * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
+ * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
+ * all of this is done.
+ *
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Note: Chip is stopped on entry.
+ */
+static int AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ ADVEEP_3550_CONFIG eep_config;
+
+ iop_base = asc_dvc->iop_base;
+
+ warn_code = 0;
+
+ /*
+ * Read the board's EEPROM configuration.
+ *
+ * Set default values if a bad checksum is found.
+ */
+ if (AdvGet3550EEPConfig(iop_base, &eep_config) != eep_config.check_sum) {
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
+
+ /*
+ * Set EEPROM default values.
+ */
+ memcpy(&eep_config, &Default_3550_EEPROM_Config,
+ sizeof(ADVEEP_3550_CONFIG));
+
+ /*
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
+ */
+ eep_config.serial_number_word3 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
+
+ eep_config.serial_number_word2 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
+
+ eep_config.serial_number_word1 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+
+ AdvSet3550EEPConfig(iop_base, &eep_config);
+ }
+ /*
+ * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
+ * EEPROM configuration that was read.
+ *
+ * This is the mapping of EEPROM fields to Adv Library fields.
+ */
+ asc_dvc->wdtr_able = eep_config.wdtr_able;
+ asc_dvc->sdtr_able = eep_config.sdtr_able;
+ asc_dvc->ultra_able = eep_config.ultra_able;
+ asc_dvc->tagqng_able = eep_config.tagqng_able;
+ asc_dvc->cfg->disc_enable = eep_config.disc_enable;
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+ asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
+ asc_dvc->start_motor = eep_config.start_motor;
+ asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
+ asc_dvc->bios_ctrl = eep_config.bios_ctrl;
+ asc_dvc->no_scam = eep_config.scam_tolerant;
+ asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
+ asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
+ asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
+
+ /*
+ * Set the host maximum queuing (max. 253, min. 16) and the per device
+ * maximum queuing (max. 63, min. 4).
+ */
+ if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_host_qng == 0) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else {
+ eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ }
+ }
+
+ if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_dvc_qng == 0) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else {
+ eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ }
+ }
+
+ /*
+ * If 'max_dvc_qng' is greater than 'max_host_qng', then
+ * set 'max_dvc_qng' to 'max_host_qng'.
+ */
+ if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
+ eep_config.max_dvc_qng = eep_config.max_host_qng;
+ }
+
+ /*
+ * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
+ * values based on possibly adjusted EEPROM values.
+ */
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+
+ /*
+ * If the EEPROM 'termination' field is set to automatic (0), then set
+ * the ADV_DVC_CFG 'termination' field to automatic also.
+ *
+ * If the termination is specified with a non-zero 'termination'
+ * value check that a legal value is set and set the ADV_DVC_CFG
+ * 'termination' field appropriately.
+ */
+ if (eep_config.termination == 0) {
+ asc_dvc->cfg->termination = 0; /* auto termination */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination == 1) {
+ asc_dvc->cfg->termination = TERM_CTL_SEL;
+
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination == 2) {
+ asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination == 3) {
+ asc_dvc->cfg->termination =
+ TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L;
+ } else {
+ /*
+ * The EEPROM 'termination' field contains a bad value. Use
+ * automatic termination instead.
+ */
+ asc_dvc->cfg->termination = 0;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
+ * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
+ * all of this is done.
+ *
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Note: Chip is stopped on entry.
+ */
+static int AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ ADVEEP_38C0800_CONFIG eep_config;
+ uchar tid, termination;
+ ushort sdtr_speed = 0;
+
+ iop_base = asc_dvc->iop_base;
+
+ warn_code = 0;
+
+ /*
+ * Read the board's EEPROM configuration.
+ *
+ * Set default values if a bad checksum is found.
+ */
+ if (AdvGet38C0800EEPConfig(iop_base, &eep_config) !=
+ eep_config.check_sum) {
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
+
+ /*
+ * Set EEPROM default values.
+ */
+ memcpy(&eep_config, &Default_38C0800_EEPROM_Config,
+ sizeof(ADVEEP_38C0800_CONFIG));
+
+ /*
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
+ */
+ eep_config.serial_number_word3 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
+
+ eep_config.serial_number_word2 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
+
+ eep_config.serial_number_word1 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+
+ AdvSet38C0800EEPConfig(iop_base, &eep_config);
+ }
+ /*
+ * Set ADV_DVC_VAR and ADV_DVC_CFG variables from the
+ * EEPROM configuration that was read.
+ *
+ * This is the mapping of EEPROM fields to Adv Library fields.
+ */
+ asc_dvc->wdtr_able = eep_config.wdtr_able;
+ asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
+ asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
+ asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
+ asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
+ asc_dvc->tagqng_able = eep_config.tagqng_able;
+ asc_dvc->cfg->disc_enable = eep_config.disc_enable;
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+ asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
+ asc_dvc->start_motor = eep_config.start_motor;
+ asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
+ asc_dvc->bios_ctrl = eep_config.bios_ctrl;
+ asc_dvc->no_scam = eep_config.scam_tolerant;
+ asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
+ asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
+ asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
+
+ /*
+ * For every Target ID if any of its 'sdtr_speed[1234]' bits
+ * are set, then set an 'sdtr_able' bit for it.
+ */
+ asc_dvc->sdtr_able = 0;
+ for (tid = 0; tid <= ADV_MAX_TID; tid++) {
+ if (tid == 0) {
+ sdtr_speed = asc_dvc->sdtr_speed1;
+ } else if (tid == 4) {
+ sdtr_speed = asc_dvc->sdtr_speed2;
+ } else if (tid == 8) {
+ sdtr_speed = asc_dvc->sdtr_speed3;
+ } else if (tid == 12) {
+ sdtr_speed = asc_dvc->sdtr_speed4;
+ }
+ if (sdtr_speed & ADV_MAX_TID) {
+ asc_dvc->sdtr_able |= (1 << tid);
+ }
+ sdtr_speed >>= 4;
+ }
+
+ /*
+ * Set the host maximum queuing (max. 253, min. 16) and the per device
+ * maximum queuing (max. 63, min. 4).
+ */
+ if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_host_qng == 0) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else {
+ eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ }
+ }
+
+ if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_dvc_qng == 0) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else {
+ eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ }
+ }
+
+ /*
+ * If 'max_dvc_qng' is greater than 'max_host_qng', then
+ * set 'max_dvc_qng' to 'max_host_qng'.
+ */
+ if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
+ eep_config.max_dvc_qng = eep_config.max_host_qng;
+ }
+
+ /*
+ * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
+ * values based on possibly adjusted EEPROM values.
+ */
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+
+ /*
+ * If the EEPROM 'termination' field is set to automatic (0), then set
+ * the ADV_DVC_CFG 'termination' field to automatic also.
+ *
+ * If the termination is specified with a non-zero 'termination'
+ * value check that a legal value is set and set the ADV_DVC_CFG
+ * 'termination' field appropriately.
+ */
+ if (eep_config.termination_se == 0) {
+ termination = 0; /* auto termination for SE */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_se == 1) {
+ termination = 0;
+
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_se == 2) {
+ termination = TERM_SE_HI;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_se == 3) {
+ termination = TERM_SE;
+ } else {
+ /*
+ * The EEPROM 'termination_se' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ termination = 0;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
+ }
+
+ if (eep_config.termination_lvd == 0) {
+ asc_dvc->cfg->termination = termination; /* auto termination for LVD */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_lvd == 1) {
+ asc_dvc->cfg->termination = termination;
+
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_lvd == 2) {
+ asc_dvc->cfg->termination = termination | TERM_LVD_HI;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_lvd == 3) {
+ asc_dvc->cfg->termination = termination | TERM_LVD;
+ } else {
+ /*
+ * The EEPROM 'termination_lvd' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ asc_dvc->cfg->termination = termination;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Read the board's EEPROM configuration. Set fields in ASC_DVC_VAR and
+ * ASC_DVC_CFG based on the EEPROM settings. The chip is stopped while
+ * all of this is done.
+ *
+ * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ *
+ * Note: Chip is stopped on entry.
+ */
+static int AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
+{
+ AdvPortAddr iop_base;
+ ushort warn_code;
+ ADVEEP_38C1600_CONFIG eep_config;
+ uchar tid, termination;
+ ushort sdtr_speed = 0;
+
+ iop_base = asc_dvc->iop_base;
+
+ warn_code = 0;
+
+ /*
+ * Read the board's EEPROM configuration.
+ *
+ * Set default values if a bad checksum is found.
+ */
+ if (AdvGet38C1600EEPConfig(iop_base, &eep_config) !=
+ eep_config.check_sum) {
+ struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
+ warn_code |= ASC_WARN_EEPROM_CHKSUM;
+
+ /*
+ * Set EEPROM default values.
+ */
+ memcpy(&eep_config, &Default_38C1600_EEPROM_Config,
+ sizeof(ADVEEP_38C1600_CONFIG));
+
+ if (PCI_FUNC(pdev->devfn) != 0) {
+ u8 ints;
+ /*
+ * Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60
+ * and old Mac system booting problem. The Expansion
+ * ROM must be disabled in Function 1 for these systems
+ */
+ eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE;
+ /*
+ * Clear the INTAB (bit 11) if the GPIO 0 input
+ * indicates the Function 1 interrupt line is wired
+ * to INTB.
+ *
+ * Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
+ * 1 - Function 1 interrupt line wired to INT A.
+ * 0 - Function 1 interrupt line wired to INT B.
+ *
+ * Note: Function 0 is always wired to INTA.
+ * Put all 5 GPIO bits in input mode and then read
+ * their input values.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0);
+ ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA);
+ if ((ints & 0x01) == 0)
+ eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB;
+ }
+
+ /*
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
+ */
+ eep_config.serial_number_word3 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
+ eep_config.serial_number_word2 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
+ eep_config.serial_number_word1 =
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+
+ AdvSet38C1600EEPConfig(iop_base, &eep_config);
+ }
+
+ /*
+ * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
+ * EEPROM configuration that was read.
+ *
+ * This is the mapping of EEPROM fields to Adv Library fields.
+ */
+ asc_dvc->wdtr_able = eep_config.wdtr_able;
+ asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
+ asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
+ asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
+ asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
+ asc_dvc->ppr_able = 0;
+ asc_dvc->tagqng_able = eep_config.tagqng_able;
+ asc_dvc->cfg->disc_enable = eep_config.disc_enable;
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+ asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ASC_MAX_TID);
+ asc_dvc->start_motor = eep_config.start_motor;
+ asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
+ asc_dvc->bios_ctrl = eep_config.bios_ctrl;
+ asc_dvc->no_scam = eep_config.scam_tolerant;
+
+ /*
+ * For every Target ID if any of its 'sdtr_speed[1234]' bits
+ * are set, then set an 'sdtr_able' bit for it.
+ */
+ asc_dvc->sdtr_able = 0;
+ for (tid = 0; tid <= ASC_MAX_TID; tid++) {
+ if (tid == 0) {
+ sdtr_speed = asc_dvc->sdtr_speed1;
+ } else if (tid == 4) {
+ sdtr_speed = asc_dvc->sdtr_speed2;
+ } else if (tid == 8) {
+ sdtr_speed = asc_dvc->sdtr_speed3;
+ } else if (tid == 12) {
+ sdtr_speed = asc_dvc->sdtr_speed4;
+ }
+ if (sdtr_speed & ASC_MAX_TID) {
+ asc_dvc->sdtr_able |= (1 << tid);
+ }
+ sdtr_speed >>= 4;
+ }
+
+ /*
+ * Set the host maximum queuing (max. 253, min. 16) and the per device
+ * maximum queuing (max. 63, min. 4).
+ */
+ if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_host_qng == 0) {
+ eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
+ } else {
+ eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
+ }
+ }
+
+ if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
+ /* If the value is zero, assume it is uninitialized. */
+ if (eep_config.max_dvc_qng == 0) {
+ eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
+ } else {
+ eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
+ }
+ }
+
+ /*
+ * If 'max_dvc_qng' is greater than 'max_host_qng', then
+ * set 'max_dvc_qng' to 'max_host_qng'.
+ */
+ if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
+ eep_config.max_dvc_qng = eep_config.max_host_qng;
+ }
+
+ /*
+ * Set ASC_DVC_VAR 'max_host_qng' and ASC_DVC_VAR 'max_dvc_qng'
+ * values based on possibly adjusted EEPROM values.
+ */
+ asc_dvc->max_host_qng = eep_config.max_host_qng;
+ asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
+
+ /*
+ * If the EEPROM 'termination' field is set to automatic (0), then set
+ * the ASC_DVC_CFG 'termination' field to automatic also.
+ *
+ * If the termination is specified with a non-zero 'termination'
+ * value check that a legal value is set and set the ASC_DVC_CFG
+ * 'termination' field appropriately.
+ */
+ if (eep_config.termination_se == 0) {
+ termination = 0; /* auto termination for SE */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_se == 1) {
+ termination = 0;
+
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_se == 2) {
+ termination = TERM_SE_HI;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_se == 3) {
+ termination = TERM_SE;
+ } else {
+ /*
+ * The EEPROM 'termination_se' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ termination = 0;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
+ }
+
+ if (eep_config.termination_lvd == 0) {
+ asc_dvc->cfg->termination = termination; /* auto termination for LVD */
+ } else {
+ /* Enable manual control with low off / high off. */
+ if (eep_config.termination_lvd == 1) {
+ asc_dvc->cfg->termination = termination;
+
+ /* Enable manual control with low off / high on. */
+ } else if (eep_config.termination_lvd == 2) {
+ asc_dvc->cfg->termination = termination | TERM_LVD_HI;
+
+ /* Enable manual control with low on / high on. */
+ } else if (eep_config.termination_lvd == 3) {
+ asc_dvc->cfg->termination = termination | TERM_LVD;
+ } else {
+ /*
+ * The EEPROM 'termination_lvd' field contains a bad value.
+ * Use automatic termination instead.
+ */
+ asc_dvc->cfg->termination = termination;
+ warn_code |= ASC_WARN_EEPROM_TERMINATION;
+ }
+ }
+
+ return warn_code;
+}
+
+/*
+ * Initialize the ADV_DVC_VAR structure.
+ *
+ * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
+ *
+ * For a non-fatal error return a warning code. If there are no warnings
+ * then 0 is returned.
+ */
+static int AdvInitGetConfig(struct pci_dev *pdev, struct Scsi_Host *shost)
+{
+ struct asc_board *board = shost_priv(shost);
+ ADV_DVC_VAR *asc_dvc = &board->dvc_var.adv_dvc_var;
+ unsigned short warn_code = 0;
+ AdvPortAddr iop_base = asc_dvc->iop_base;
+ u16 cmd;
+ int status;
+
+ asc_dvc->err_code = 0;
+
+ /*
+ * Save the state of the PCI Configuration Command Register
+ * "Parity Error Response Control" Bit. If the bit is clear (0),
+ * in AdvInitAsc3550/38C0800Driver() tell the microcode to ignore
+ * DMA parity errors.
+ */
+ asc_dvc->cfg->control_flag = 0;
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+ if ((cmd & PCI_COMMAND_PARITY) == 0)
+ asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR;
+
+ asc_dvc->cfg->chip_version =
+ AdvGetChipVersion(iop_base, asc_dvc->bus_type);
+
+ ASC_DBG(1, "iopb_chip_id_1: 0x%x 0x%x\n",
+ (ushort)AdvReadByteRegister(iop_base, IOPB_CHIP_ID_1),
+ (ushort)ADV_CHIP_ID_BYTE);
+
+ ASC_DBG(1, "iopw_chip_id_0: 0x%x 0x%x\n",
+ (ushort)AdvReadWordRegister(iop_base, IOPW_CHIP_ID_0),
+ (ushort)ADV_CHIP_ID_WORD);
+
+ /*
+ * Reset the chip to start and allow register writes.
+ */
+ if (AdvFindSignature(iop_base) == 0) {
+ asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
+ return ADV_ERROR;
+ } else {
+ /*
+ * The caller must set 'chip_type' to a valid setting.
+ */
+ if (asc_dvc->chip_type != ADV_CHIP_ASC3550 &&
+ asc_dvc->chip_type != ADV_CHIP_ASC38C0800 &&
+ asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
+ asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE;
+ return ADV_ERROR;
+ }
+
+ /*
+ * Reset Chip.
+ */
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
+ ADV_CTRL_REG_CMD_RESET);
+ mdelay(100);
+ AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
+ ADV_CTRL_REG_CMD_WR_IO_REG);
+
+ if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
+ status = AdvInitFrom38C1600EEP(asc_dvc);
+ } else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ status = AdvInitFrom38C0800EEP(asc_dvc);
+ } else {
+ status = AdvInitFrom3550EEP(asc_dvc);
+ }
+ warn_code |= status;
+ }
+
+ if (warn_code != 0)
+ shost_printk(KERN_WARNING, shost, "warning: 0x%x\n", warn_code);
+
+ if (asc_dvc->err_code)
+ shost_printk(KERN_ERR, shost, "error code 0x%x\n",
+ asc_dvc->err_code);
+
+ return asc_dvc->err_code;
+}
+#endif
+
+static struct scsi_host_template advansys_template = {
+ .proc_name = DRV_NAME,
+#ifdef CONFIG_PROC_FS
+ .show_info = advansys_show_info,
+#endif
+ .name = DRV_NAME,
+ .info = advansys_info,
+ .queuecommand = advansys_queuecommand,
+ .eh_bus_reset_handler = advansys_reset,
+ .bios_param = advansys_biosparam,
+ .slave_configure = advansys_slave_configure,
+ /*
+ * Because the driver may control an ISA adapter 'unchecked_isa_dma'
+ * must be set. The flag will be cleared in advansys_board_found
+ * for non-ISA adapters.
+ */
+ .unchecked_isa_dma = 1,
+ /*
+ * All adapters controlled by this driver are capable of large
+ * scatter-gather lists. According to the mid-level SCSI documentation
+ * this obviates any performance gain provided by setting
+ * 'use_clustering'. But empirically while CPU utilization is increased
+ * by enabling clustering, I/O throughput increases as well.
+ */
+ .use_clustering = ENABLE_CLUSTERING,
+};
+
+static int advansys_wide_init_chip(struct Scsi_Host *shost)
+{
+ struct asc_board *board = shost_priv(shost);
+ struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var;
+ int req_cnt = 0;
+ adv_req_t *reqp = NULL;
+ int sg_cnt = 0;
+ adv_sgblk_t *sgp;
+ int warn_code, err_code;
+
+ /*
+ * Allocate buffer carrier structures. The total size
+ * is about 4 KB, so allocate all at once.
+ */
+ adv_dvc->carrier_buf = kmalloc(ADV_CARRIER_BUFSIZE, GFP_KERNEL);
+ ASC_DBG(1, "carrier_buf 0x%p\n", adv_dvc->carrier_buf);
+
+ if (!adv_dvc->carrier_buf)
+ goto kmalloc_failed;
+
+ /*
+ * Allocate up to 'max_host_qng' request structures for the Wide
+ * board. The total size is about 16 KB, so allocate all at once.
+ * If the allocation fails decrement and try again.
+ */
+ for (req_cnt = adv_dvc->max_host_qng; req_cnt > 0; req_cnt--) {
+ reqp = kmalloc(sizeof(adv_req_t) * req_cnt, GFP_KERNEL);
+
+ ASC_DBG(1, "reqp 0x%p, req_cnt %d, bytes %lu\n", reqp, req_cnt,
+ (ulong)sizeof(adv_req_t) * req_cnt);
+
+ if (reqp)
+ break;
+ }
+
+ if (!reqp)
+ goto kmalloc_failed;
+
+ adv_dvc->orig_reqp = reqp;
+
+ /*
+ * Allocate up to ADV_TOT_SG_BLOCK request structures for
+ * the Wide board. Each structure is about 136 bytes.
+ */
+ board->adv_sgblkp = NULL;
+ for (sg_cnt = 0; sg_cnt < ADV_TOT_SG_BLOCK; sg_cnt++) {
+ sgp = kmalloc(sizeof(adv_sgblk_t), GFP_KERNEL);
+
+ if (!sgp)
+ break;
+
+ sgp->next_sgblkp = board->adv_sgblkp;
+ board->adv_sgblkp = sgp;
+
+ }
+
+ ASC_DBG(1, "sg_cnt %d * %lu = %lu bytes\n", sg_cnt, sizeof(adv_sgblk_t),
+ sizeof(adv_sgblk_t) * sg_cnt);
+
+ if (!board->adv_sgblkp)
+ goto kmalloc_failed;
+
+ /*
+ * Point 'adv_reqp' to the request structures and
+ * link them together.
+ */
+ req_cnt--;
+ reqp[req_cnt].next_reqp = NULL;
+ for (; req_cnt > 0; req_cnt--) {
+ reqp[req_cnt - 1].next_reqp = &reqp[req_cnt];
+ }
+ board->adv_reqp = &reqp[0];
+
+ if (adv_dvc->chip_type == ADV_CHIP_ASC3550) {
+ ASC_DBG(2, "AdvInitAsc3550Driver()\n");
+ warn_code = AdvInitAsc3550Driver(adv_dvc);
+ } else if (adv_dvc->chip_type == ADV_CHIP_ASC38C0800) {
+ ASC_DBG(2, "AdvInitAsc38C0800Driver()\n");
+ warn_code = AdvInitAsc38C0800Driver(adv_dvc);
+ } else {
+ ASC_DBG(2, "AdvInitAsc38C1600Driver()\n");
+ warn_code = AdvInitAsc38C1600Driver(adv_dvc);
+ }
+ err_code = adv_dvc->err_code;
+
+ if (warn_code || err_code) {
+ shost_printk(KERN_WARNING, shost, "error: warn 0x%x, error "
+ "0x%x\n", warn_code, err_code);
+ }
+
+ goto exit;
+
+ kmalloc_failed:
+ shost_printk(KERN_ERR, shost, "error: kmalloc() failed\n");
+ err_code = ADV_ERROR;
+ exit:
+ return err_code;
+}
+
+static void advansys_wide_free_mem(struct asc_board *board)
+{
+ struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var;
+ kfree(adv_dvc->carrier_buf);
+ adv_dvc->carrier_buf = NULL;
+ kfree(adv_dvc->orig_reqp);
+ adv_dvc->orig_reqp = board->adv_reqp = NULL;
+ while (board->adv_sgblkp) {
+ adv_sgblk_t *sgp = board->adv_sgblkp;
+ board->adv_sgblkp = sgp->next_sgblkp;
+ kfree(sgp);
+ }
+}
+
+static int advansys_board_found(struct Scsi_Host *shost, unsigned int iop,
+ int bus_type)
+{
+ struct pci_dev *pdev;
+ struct asc_board *boardp = shost_priv(shost);
+ ASC_DVC_VAR *asc_dvc_varp = NULL;
+ ADV_DVC_VAR *adv_dvc_varp = NULL;
+ int share_irq, warn_code, ret;
+
+ pdev = (bus_type == ASC_IS_PCI) ? to_pci_dev(boardp->dev) : NULL;
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ ASC_DBG(1, "narrow board\n");
+ asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
+ asc_dvc_varp->bus_type = bus_type;
+ asc_dvc_varp->drv_ptr = boardp;
+ asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg;
+ asc_dvc_varp->iop_base = iop;
+ } else {
+#ifdef CONFIG_PCI
+ adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
+ adv_dvc_varp->drv_ptr = boardp;
+ adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg;
+ if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW) {
+ ASC_DBG(1, "wide board ASC-3550\n");
+ adv_dvc_varp->chip_type = ADV_CHIP_ASC3550;
+ } else if (pdev->device == PCI_DEVICE_ID_38C0800_REV1) {
+ ASC_DBG(1, "wide board ASC-38C0800\n");
+ adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800;
+ } else {
+ ASC_DBG(1, "wide board ASC-38C1600\n");
+ adv_dvc_varp->chip_type = ADV_CHIP_ASC38C1600;
+ }
+
+ boardp->asc_n_io_port = pci_resource_len(pdev, 1);
+ boardp->ioremap_addr = pci_ioremap_bar(pdev, 1);
+ if (!boardp->ioremap_addr) {
+ shost_printk(KERN_ERR, shost, "ioremap(%lx, %d) "
+ "returned NULL\n",
+ (long)pci_resource_start(pdev, 1),
+ boardp->asc_n_io_port);
+ ret = -ENODEV;
+ goto err_shost;
+ }
+ adv_dvc_varp->iop_base = (AdvPortAddr)boardp->ioremap_addr;
+ ASC_DBG(1, "iop_base: 0x%p\n", adv_dvc_varp->iop_base);
+
+ /*
+ * Even though it isn't used to access wide boards, other
+ * than for the debug line below, save I/O Port address so
+ * that it can be reported.
+ */
+ boardp->ioport = iop;
+
+ ASC_DBG(1, "iopb_chip_id_1 0x%x, iopw_chip_id_0 0x%x\n",
+ (ushort)inp(iop + 1), (ushort)inpw(iop));
+#endif /* CONFIG_PCI */
+ }
+
+ if (ASC_NARROW_BOARD(boardp)) {
+ /*
+ * Set the board bus type and PCI IRQ before
+ * calling AscInitGetConfig().
+ */
+ switch (asc_dvc_varp->bus_type) {
+#ifdef CONFIG_ISA
+ case ASC_IS_ISA:
+ shost->unchecked_isa_dma = TRUE;
+ share_irq = 0;
+ break;
+ case ASC_IS_VL:
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = 0;
+ break;
+ case ASC_IS_EISA:
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = IRQF_SHARED;
+ break;
+#endif /* CONFIG_ISA */
+#ifdef CONFIG_PCI
+ case ASC_IS_PCI:
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = IRQF_SHARED;
+ break;
+#endif /* CONFIG_PCI */
+ default:
+ shost_printk(KERN_ERR, shost, "unknown adapter type: "
+ "%d\n", asc_dvc_varp->bus_type);
+ shost->unchecked_isa_dma = TRUE;
+ share_irq = 0;
+ break;
+ }
+
+ /*
+ * NOTE: AscInitGetConfig() may change the board's
+ * bus_type value. The bus_type value should no
+ * longer be used. If the bus_type field must be
+ * referenced only use the bit-wise AND operator "&".
+ */
+ ASC_DBG(2, "AscInitGetConfig()\n");
+ ret = AscInitGetConfig(shost) ? -ENODEV : 0;
+ } else {
+#ifdef CONFIG_PCI
+ /*
+ * For Wide boards set PCI information before calling
+ * AdvInitGetConfig().
+ */
+ shost->unchecked_isa_dma = FALSE;
+ share_irq = IRQF_SHARED;
+ ASC_DBG(2, "AdvInitGetConfig()\n");
+
+ ret = AdvInitGetConfig(pdev, shost) ? -ENODEV : 0;
+#endif /* CONFIG_PCI */
+ }
+
+ if (ret)
+ goto err_unmap;
+
+ /*
+ * Save the EEPROM configuration so that it can be displayed
+ * from /proc/scsi/advansys/[0...].
+ */
+ if (ASC_NARROW_BOARD(boardp)) {
+
+ ASCEEP_CONFIG *ep;
+
+ /*
+ * Set the adapter's target id bit in the 'init_tidmask' field.
+ */
+ boardp->init_tidmask |=
+ ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id);
+
+ /*
+ * Save EEPROM settings for the board.
+ */
+ ep = &boardp->eep_config.asc_eep;
+
+ ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable;
+ ep->disc_enable = asc_dvc_varp->cfg->disc_enable;
+ ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled;
+ ASC_EEP_SET_DMA_SPD(ep, asc_dvc_varp->cfg->isa_dma_speed);
+ ep->start_motor = asc_dvc_varp->start_motor;
+ ep->cntl = asc_dvc_varp->dvc_cntl;
+ ep->no_scam = asc_dvc_varp->no_scam;
+ ep->max_total_qng = asc_dvc_varp->max_total_qng;
+ ASC_EEP_SET_CHIP_ID(ep, asc_dvc_varp->cfg->chip_scsi_id);
+ /* 'max_tag_qng' is set to the same value for every device. */
+ ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0];
+ ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0];
+ ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1];
+ ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2];
+ ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3];
+ ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4];
+ ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5];
+
+ /*
+ * Modify board configuration.
+ */
+ ASC_DBG(2, "AscInitSetConfig()\n");
+ ret = AscInitSetConfig(pdev, shost) ? -ENODEV : 0;
+ if (ret)
+ goto err_unmap;
+ } else {
+ ADVEEP_3550_CONFIG *ep_3550;
+ ADVEEP_38C0800_CONFIG *ep_38C0800;
+ ADVEEP_38C1600_CONFIG *ep_38C1600;
+
+ /*
+ * Save Wide EEP Configuration Information.
+ */
+ if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
+ ep_3550 = &boardp->eep_config.adv_3550_eep;
+
+ ep_3550->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
+ ep_3550->max_host_qng = adv_dvc_varp->max_host_qng;
+ ep_3550->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
+ ep_3550->termination = adv_dvc_varp->cfg->termination;
+ ep_3550->disc_enable = adv_dvc_varp->cfg->disc_enable;
+ ep_3550->bios_ctrl = adv_dvc_varp->bios_ctrl;
+ ep_3550->wdtr_able = adv_dvc_varp->wdtr_able;
+ ep_3550->sdtr_able = adv_dvc_varp->sdtr_able;
+ ep_3550->ultra_able = adv_dvc_varp->ultra_able;
+ ep_3550->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_3550->start_motor = adv_dvc_varp->start_motor;
+ ep_3550->scsi_reset_delay =
+ adv_dvc_varp->scsi_reset_wait;
+ ep_3550->serial_number_word1 =
+ adv_dvc_varp->cfg->serial1;
+ ep_3550->serial_number_word2 =
+ adv_dvc_varp->cfg->serial2;
+ ep_3550->serial_number_word3 =
+ adv_dvc_varp->cfg->serial3;
+ } else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
+ ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
+
+ ep_38C0800->adapter_scsi_id =
+ adv_dvc_varp->chip_scsi_id;
+ ep_38C0800->max_host_qng = adv_dvc_varp->max_host_qng;
+ ep_38C0800->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
+ ep_38C0800->termination_lvd =
+ adv_dvc_varp->cfg->termination;
+ ep_38C0800->disc_enable =
+ adv_dvc_varp->cfg->disc_enable;
+ ep_38C0800->bios_ctrl = adv_dvc_varp->bios_ctrl;
+ ep_38C0800->wdtr_able = adv_dvc_varp->wdtr_able;
+ ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C0800->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
+ ep_38C0800->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
+ ep_38C0800->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
+ ep_38C0800->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
+ ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C0800->start_motor = adv_dvc_varp->start_motor;
+ ep_38C0800->scsi_reset_delay =
+ adv_dvc_varp->scsi_reset_wait;
+ ep_38C0800->serial_number_word1 =
+ adv_dvc_varp->cfg->serial1;
+ ep_38C0800->serial_number_word2 =
+ adv_dvc_varp->cfg->serial2;
+ ep_38C0800->serial_number_word3 =
+ adv_dvc_varp->cfg->serial3;
+ } else {
+ ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
+
+ ep_38C1600->adapter_scsi_id =
+ adv_dvc_varp->chip_scsi_id;
+ ep_38C1600->max_host_qng = adv_dvc_varp->max_host_qng;
+ ep_38C1600->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
+ ep_38C1600->termination_lvd =
+ adv_dvc_varp->cfg->termination;
+ ep_38C1600->disc_enable =
+ adv_dvc_varp->cfg->disc_enable;
+ ep_38C1600->bios_ctrl = adv_dvc_varp->bios_ctrl;
+ ep_38C1600->wdtr_able = adv_dvc_varp->wdtr_able;
+ ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C1600->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
+ ep_38C1600->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
+ ep_38C1600->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
+ ep_38C1600->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
+ ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
+ ep_38C1600->start_motor = adv_dvc_varp->start_motor;
+ ep_38C1600->scsi_reset_delay =
+ adv_dvc_varp->scsi_reset_wait;
+ ep_38C1600->serial_number_word1 =
+ adv_dvc_varp->cfg->serial1;
+ ep_38C1600->serial_number_word2 =
+ adv_dvc_varp->cfg->serial2;
+ ep_38C1600->serial_number_word3 =
+ adv_dvc_varp->cfg->serial3;
+ }
+
+ /*
+ * Set the adapter's target id bit in the 'init_tidmask' field.
+ */
+ boardp->init_tidmask |=
+ ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id);
+ }
+
+ /*
+ * Channels are numbered beginning with 0. For AdvanSys one host
+ * structure supports one channel. Multi-channel boards have a
+ * separate host structure for each channel.
+ */
+ shost->max_channel = 0;
+ if (ASC_NARROW_BOARD(boardp)) {
+ shost->max_id = ASC_MAX_TID + 1;
+ shost->max_lun = ASC_MAX_LUN + 1;
+ shost->max_cmd_len = ASC_MAX_CDB_LEN;
+
+ shost->io_port = asc_dvc_varp->iop_base;
+ boardp->asc_n_io_port = ASC_IOADR_GAP;
+ shost->this_id = asc_dvc_varp->cfg->chip_scsi_id;
+
+ /* Set maximum number of queues the adapter can handle. */
+ shost->can_queue = asc_dvc_varp->max_total_qng;
+ } else {
+ shost->max_id = ADV_MAX_TID + 1;
+ shost->max_lun = ADV_MAX_LUN + 1;
+ shost->max_cmd_len = ADV_MAX_CDB_LEN;
+
+ /*
+ * Save the I/O Port address and length even though
+ * I/O ports are not used to access Wide boards.
+ * Instead the Wide boards are accessed with
+ * PCI Memory Mapped I/O.
+ */
+ shost->io_port = iop;
+
+ shost->this_id = adv_dvc_varp->chip_scsi_id;
+
+ /* Set maximum number of queues the adapter can handle. */
+ shost->can_queue = adv_dvc_varp->max_host_qng;
+ }
+
+ /*
+ * Following v1.3.89, 'cmd_per_lun' is no longer needed
+ * and should be set to zero.
+ *
+ * But because of a bug introduced in v1.3.89 if the driver is
+ * compiled as a module and 'cmd_per_lun' is zero, the Mid-Level
+ * SCSI function 'allocate_device' will panic. To allow the driver
+ * to work as a module in these kernels set 'cmd_per_lun' to 1.
+ *
+ * Note: This is wrong. cmd_per_lun should be set to the depth
+ * you want on untagged devices always.
+ #ifdef MODULE
+ */
+ shost->cmd_per_lun = 1;
+/* #else
+ shost->cmd_per_lun = 0;
+#endif */
+
+ /*
+ * Set the maximum number of scatter-gather elements the
+ * adapter can handle.
+ */
+ if (ASC_NARROW_BOARD(boardp)) {
+ /*
+ * Allow two commands with 'sg_tablesize' scatter-gather
+ * elements to be executed simultaneously. This value is
+ * the theoretical hardware limit. It may be decreased
+ * below.
+ */
+ shost->sg_tablesize =
+ (((asc_dvc_varp->max_total_qng - 2) / 2) *
+ ASC_SG_LIST_PER_Q) + 1;
+ } else {
+ shost->sg_tablesize = ADV_MAX_SG_LIST;
+ }
+
+ /*
+ * The value of 'sg_tablesize' can not exceed the SCSI
+ * mid-level driver definition of SG_ALL. SG_ALL also
+ * must not be exceeded, because it is used to define the
+ * size of the scatter-gather table in 'struct asc_sg_head'.
+ */
+ if (shost->sg_tablesize > SG_ALL) {
+ shost->sg_tablesize = SG_ALL;
+ }
+
+ ASC_DBG(1, "sg_tablesize: %d\n", shost->sg_tablesize);
+
+ /* BIOS start address. */
+ if (ASC_NARROW_BOARD(boardp)) {
+ shost->base = AscGetChipBiosAddress(asc_dvc_varp->iop_base,
+ asc_dvc_varp->bus_type);
+ } else {
+ /*
+ * Fill-in BIOS board variables. The Wide BIOS saves
+ * information in LRAM that is used by the driver.
+ */
+ AdvReadWordLram(adv_dvc_varp->iop_base,
+ BIOS_SIGNATURE, boardp->bios_signature);
+ AdvReadWordLram(adv_dvc_varp->iop_base,
+ BIOS_VERSION, boardp->bios_version);
+ AdvReadWordLram(adv_dvc_varp->iop_base,
+ BIOS_CODESEG, boardp->bios_codeseg);
+ AdvReadWordLram(adv_dvc_varp->iop_base,
+ BIOS_CODELEN, boardp->bios_codelen);
+
+ ASC_DBG(1, "bios_signature 0x%x, bios_version 0x%x\n",
+ boardp->bios_signature, boardp->bios_version);
+
+ ASC_DBG(1, "bios_codeseg 0x%x, bios_codelen 0x%x\n",
+ boardp->bios_codeseg, boardp->bios_codelen);
+
+ /*
+ * If the BIOS saved a valid signature, then fill in
+ * the BIOS code segment base address.
+ */
+ if (boardp->bios_signature == 0x55AA) {
+ /*
+ * Convert x86 realmode code segment to a linear
+ * address by shifting left 4.
+ */
+ shost->base = ((ulong)boardp->bios_codeseg << 4);
+ } else {
+ shost->base = 0;
+ }
+ }
+
+ /*
+ * Register Board Resources - I/O Port, DMA, IRQ
+ */
+
+ /* Register DMA Channel for Narrow boards. */
+ shost->dma_channel = NO_ISA_DMA; /* Default to no ISA DMA. */
+#ifdef CONFIG_ISA
+ if (ASC_NARROW_BOARD(boardp)) {
+ /* Register DMA channel for ISA bus. */
+ if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
+ shost->dma_channel = asc_dvc_varp->cfg->isa_dma_channel;
+ ret = request_dma(shost->dma_channel, DRV_NAME);
+ if (ret) {
+ shost_printk(KERN_ERR, shost, "request_dma() "
+ "%d failed %d\n",
+ shost->dma_channel, ret);
+ goto err_unmap;
+ }
+ AscEnableIsaDma(shost->dma_channel);
+ }
+ }
+#endif /* CONFIG_ISA */
+
+ /* Register IRQ Number. */
+ ASC_DBG(2, "request_irq(%d, %p)\n", boardp->irq, shost);
+
+ ret = request_irq(boardp->irq, advansys_interrupt, share_irq,
+ DRV_NAME, shost);
+
+ if (ret) {
+ if (ret == -EBUSY) {
+ shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
+ "already in use\n", boardp->irq);
+ } else if (ret == -EINVAL) {
+ shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
+ "not valid\n", boardp->irq);
+ } else {
+ shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
+ "failed with %d\n", boardp->irq, ret);
+ }
+ goto err_free_dma;
+ }
+
+ /*
+ * Initialize board RISC chip and enable interrupts.
+ */
+ if (ASC_NARROW_BOARD(boardp)) {
+ ASC_DBG(2, "AscInitAsc1000Driver()\n");
+
+ asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);
+ if (!asc_dvc_varp->overrun_buf) {
+ ret = -ENOMEM;
+ goto err_free_irq;
+ }
+ warn_code = AscInitAsc1000Driver(asc_dvc_varp);
+
+ if (warn_code || asc_dvc_varp->err_code) {
+ shost_printk(KERN_ERR, shost, "error: init_state 0x%x, "
+ "warn 0x%x, error 0x%x\n",
+ asc_dvc_varp->init_state, warn_code,
+ asc_dvc_varp->err_code);
+ if (!asc_dvc_varp->overrun_dma) {
+ ret = -ENODEV;
+ goto err_free_mem;
+ }
+ }
+ } else {
+ if (advansys_wide_init_chip(shost)) {
+ ret = -ENODEV;
+ goto err_free_mem;
+ }
+ }
+
+ ASC_DBG_PRT_SCSI_HOST(2, shost);
+
+ ret = scsi_add_host(shost, boardp->dev);
+ if (ret)
+ goto err_free_mem;
+
+ scsi_scan_host(shost);
+ return 0;
+
+ err_free_mem:
+ if (ASC_NARROW_BOARD(boardp)) {
+ if (asc_dvc_varp->overrun_dma)
+ dma_unmap_single(boardp->dev, asc_dvc_varp->overrun_dma,
+ ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+ kfree(asc_dvc_varp->overrun_buf);
+ } else
+ advansys_wide_free_mem(boardp);
+ err_free_irq:
+ free_irq(boardp->irq, shost);
+ err_free_dma:
+#ifdef CONFIG_ISA
+ if (shost->dma_channel != NO_ISA_DMA)
+ free_dma(shost->dma_channel);
+#endif
+ err_unmap:
+ if (boardp->ioremap_addr)
+ iounmap(boardp->ioremap_addr);
+ err_shost:
+ return ret;
+}
+
+/*
+ * advansys_release()
+ *
+ * Release resources allocated for a single AdvanSys adapter.
+ */
+static int advansys_release(struct Scsi_Host *shost)
+{
+ struct asc_board *board = shost_priv(shost);
+ ASC_DBG(1, "begin\n");
+ scsi_remove_host(shost);
+ free_irq(board->irq, shost);
+#ifdef CONFIG_ISA
+ if (shost->dma_channel != NO_ISA_DMA) {
+ ASC_DBG(1, "free_dma()\n");
+ free_dma(shost->dma_channel);
+ }
+#endif
+ if (ASC_NARROW_BOARD(board)) {
+ dma_unmap_single(board->dev,
+ board->dvc_var.asc_dvc_var.overrun_dma,
+ ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+ kfree(board->dvc_var.asc_dvc_var.overrun_buf);
+ } else {
+ iounmap(board->ioremap_addr);
+ advansys_wide_free_mem(board);
+ }
+ scsi_host_put(shost);
+ ASC_DBG(1, "end\n");
+ return 0;
+}
+
+#define ASC_IOADR_TABLE_MAX_IX 11
+
+static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] = {
+ 0x100, 0x0110, 0x120, 0x0130, 0x140, 0x0150, 0x0190,
+ 0x0210, 0x0230, 0x0250, 0x0330
+};
+
+/*
+ * The ISA IRQ number is found in bits 2 and 3 of the CfgLsw. It decodes as:
+ * 00: 10
+ * 01: 11
+ * 10: 12
+ * 11: 15
+ */
+static unsigned int advansys_isa_irq_no(PortAddr iop_base)
+{
+ unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base);
+ unsigned int chip_irq = ((cfg_lsw >> 2) & 0x03) + 10;
+ if (chip_irq == 13)
+ chip_irq = 15;
+ return chip_irq;
+}
+
+static int advansys_isa_probe(struct device *dev, unsigned int id)
+{
+ int err = -ENODEV;
+ PortAddr iop_base = _asc_def_iop_base[id];
+ struct Scsi_Host *shost;
+ struct asc_board *board;
+
+ if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) {
+ ASC_DBG(1, "I/O port 0x%x busy\n", iop_base);
+ return -ENODEV;
+ }
+ ASC_DBG(1, "probing I/O port 0x%x\n", iop_base);
+ if (!AscFindSignature(iop_base))
+ goto release_region;
+ if (!(AscGetChipVersion(iop_base, ASC_IS_ISA) & ASC_CHIP_VER_ISA_BIT))
+ goto release_region;
+
+ err = -ENOMEM;
+ shost = scsi_host_alloc(&advansys_template, sizeof(*board));
+ if (!shost)
+ goto release_region;
+
+ board = shost_priv(shost);
+ board->irq = advansys_isa_irq_no(iop_base);
+ board->dev = dev;
+
+ err = advansys_board_found(shost, iop_base, ASC_IS_ISA);
+ if (err)
+ goto free_host;
+
+ dev_set_drvdata(dev, shost);
+ return 0;
+
+ free_host:
+ scsi_host_put(shost);
+ release_region:
+ release_region(iop_base, ASC_IOADR_GAP);
+ return err;
+}
+
+static int advansys_isa_remove(struct device *dev, unsigned int id)
+{
+ int ioport = _asc_def_iop_base[id];
+ advansys_release(dev_get_drvdata(dev));
+ release_region(ioport, ASC_IOADR_GAP);
+ return 0;
+}
+
+static struct isa_driver advansys_isa_driver = {
+ .probe = advansys_isa_probe,
+ .remove = advansys_isa_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = DRV_NAME,
+ },
+};
+
+/*
+ * The VLB IRQ number is found in bits 2 to 4 of the CfgLsw. It decodes as:
+ * 000: invalid
+ * 001: 10
+ * 010: 11
+ * 011: 12
+ * 100: invalid
+ * 101: 14
+ * 110: 15
+ * 111: invalid
+ */
+static unsigned int advansys_vlb_irq_no(PortAddr iop_base)
+{
+ unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base);
+ unsigned int chip_irq = ((cfg_lsw >> 2) & 0x07) + 9;
+ if ((chip_irq < 10) || (chip_irq == 13) || (chip_irq > 15))
+ return 0;
+ return chip_irq;
+}
+
+static int advansys_vlb_probe(struct device *dev, unsigned int id)
+{
+ int err = -ENODEV;
+ PortAddr iop_base = _asc_def_iop_base[id];
+ struct Scsi_Host *shost;
+ struct asc_board *board;
+
+ if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) {
+ ASC_DBG(1, "I/O port 0x%x busy\n", iop_base);
+ return -ENODEV;
+ }
+ ASC_DBG(1, "probing I/O port 0x%x\n", iop_base);
+ if (!AscFindSignature(iop_base))
+ goto release_region;
+ /*
+ * I don't think this condition can actually happen, but the old
+ * driver did it, and the chances of finding a VLB setup in 2007
+ * to do testing with is slight to none.
+ */
+ if (AscGetChipVersion(iop_base, ASC_IS_VL) > ASC_CHIP_MAX_VER_VL)
+ goto release_region;
+
+ err = -ENOMEM;
+ shost = scsi_host_alloc(&advansys_template, sizeof(*board));
+ if (!shost)
+ goto release_region;
+
+ board = shost_priv(shost);
+ board->irq = advansys_vlb_irq_no(iop_base);
+ board->dev = dev;
+
+ err = advansys_board_found(shost, iop_base, ASC_IS_VL);
+ if (err)
+ goto free_host;
+
+ dev_set_drvdata(dev, shost);
+ return 0;
+
+ free_host:
+ scsi_host_put(shost);
+ release_region:
+ release_region(iop_base, ASC_IOADR_GAP);
+ return -ENODEV;
+}
+
+static struct isa_driver advansys_vlb_driver = {
+ .probe = advansys_vlb_probe,
+ .remove = advansys_isa_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "advansys_vlb",
+ },
+};
+
+static struct eisa_device_id advansys_eisa_table[] = {
+ { "ABP7401" },
+ { "ABP7501" },
+ { "" }
+};
+
+MODULE_DEVICE_TABLE(eisa, advansys_eisa_table);
+
+/*
+ * EISA is a little more tricky than PCI; each EISA device may have two
+ * channels, and this driver is written to make each channel its own Scsi_Host
+ */
+struct eisa_scsi_data {
+ struct Scsi_Host *host[2];
+};
+
+/*
+ * The EISA IRQ number is found in bits 8 to 10 of the CfgLsw. It decodes as:
+ * 000: 10
+ * 001: 11
+ * 010: 12
+ * 011: invalid
+ * 100: 14
+ * 101: 15
+ * 110: invalid
+ * 111: invalid
+ */
+static unsigned int advansys_eisa_irq_no(struct eisa_device *edev)
+{
+ unsigned short cfg_lsw = inw(edev->base_addr + 0xc86);
+ unsigned int chip_irq = ((cfg_lsw >> 8) & 0x07) + 10;
+ if ((chip_irq == 13) || (chip_irq > 15))
+ return 0;
+ return chip_irq;
+}
+
+static int advansys_eisa_probe(struct device *dev)
+{
+ int i, ioport, irq = 0;
+ int err;
+ struct eisa_device *edev = to_eisa_device(dev);
+ struct eisa_scsi_data *data;
+
+ err = -ENOMEM;
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ goto fail;
+ ioport = edev->base_addr + 0xc30;
+
+ err = -ENODEV;
+ for (i = 0; i < 2; i++, ioport += 0x20) {
+ struct asc_board *board;
+ struct Scsi_Host *shost;
+ if (!request_region(ioport, ASC_IOADR_GAP, DRV_NAME)) {
+ printk(KERN_WARNING "Region %x-%x busy\n", ioport,
+ ioport + ASC_IOADR_GAP - 1);
+ continue;
+ }
+ if (!AscFindSignature(ioport)) {
+ release_region(ioport, ASC_IOADR_GAP);
+ continue;
+ }
+
+ /*
+ * I don't know why we need to do this for EISA chips, but
+ * not for any others. It looks to be equivalent to
+ * AscGetChipCfgMsw, but I may have overlooked something,
+ * so I'm not converting it until I get an EISA board to
+ * test with.
+ */
+ inw(ioport + 4);
+
+ if (!irq)
+ irq = advansys_eisa_irq_no(edev);
+
+ err = -ENOMEM;
+ shost = scsi_host_alloc(&advansys_template, sizeof(*board));
+ if (!shost)
+ goto release_region;
+
+ board = shost_priv(shost);
+ board->irq = irq;
+ board->dev = dev;
+
+ err = advansys_board_found(shost, ioport, ASC_IS_EISA);
+ if (!err) {
+ data->host[i] = shost;
+ continue;
+ }
+
+ scsi_host_put(shost);
+ release_region:
+ release_region(ioport, ASC_IOADR_GAP);
+ break;
+ }
+
+ if (err)
+ goto free_data;
+ dev_set_drvdata(dev, data);
+ return 0;
+
+ free_data:
+ kfree(data->host[0]);
+ kfree(data->host[1]);
+ kfree(data);
+ fail:
+ return err;
+}
+
+static int advansys_eisa_remove(struct device *dev)
+{
+ int i;
+ struct eisa_scsi_data *data = dev_get_drvdata(dev);
+
+ for (i = 0; i < 2; i++) {
+ int ioport;
+ struct Scsi_Host *shost = data->host[i];
+ if (!shost)
+ continue;
+ ioport = shost->io_port;
+ advansys_release(shost);
+ release_region(ioport, ASC_IOADR_GAP);
+ }
+
+ kfree(data);
+ return 0;
+}
+
+static struct eisa_driver advansys_eisa_driver = {
+ .id_table = advansys_eisa_table,
+ .driver = {
+ .name = DRV_NAME,
+ .probe = advansys_eisa_probe,
+ .remove = advansys_eisa_remove,
+ }
+};
+
+/* PCI Devices supported by this driver */
+static struct pci_device_id advansys_pci_tbl[] = {
+ {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940U,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940UW,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C0800_REV1,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C1600_REV1,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(pci, advansys_pci_tbl);
+
+static void advansys_set_latency(struct pci_dev *pdev)
+{
+ if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
+ (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
+ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0);
+ } else {
+ u8 latency;
+ pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &latency);
+ if (latency < 0x20)
+ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x20);
+ }
+}
+
+static int advansys_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ int err, ioport;
+ struct Scsi_Host *shost;
+ struct asc_board *board;
+
+ err = pci_enable_device(pdev);
+ if (err)
+ goto fail;
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err)
+ goto disable_device;
+ pci_set_master(pdev);
+ advansys_set_latency(pdev);
+
+ err = -ENODEV;
+ if (pci_resource_len(pdev, 0) == 0)
+ goto release_region;
+
+ ioport = pci_resource_start(pdev, 0);
+
+ err = -ENOMEM;
+ shost = scsi_host_alloc(&advansys_template, sizeof(*board));
+ if (!shost)
+ goto release_region;
+
+ board = shost_priv(shost);
+ board->irq = pdev->irq;
+ board->dev = &pdev->dev;
+
+ if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW ||
+ pdev->device == PCI_DEVICE_ID_38C0800_REV1 ||
+ pdev->device == PCI_DEVICE_ID_38C1600_REV1) {
+ board->flags |= ASC_IS_WIDE_BOARD;
+ }
+
+ err = advansys_board_found(shost, ioport, ASC_IS_PCI);
+ if (err)
+ goto free_host;
+
+ pci_set_drvdata(pdev, shost);
+ return 0;
+
+ free_host:
+ scsi_host_put(shost);
+ release_region:
+ pci_release_regions(pdev);
+ disable_device:
+ pci_disable_device(pdev);
+ fail:
+ return err;
+}
+
+static void advansys_pci_remove(struct pci_dev *pdev)
+{
+ advansys_release(pci_get_drvdata(pdev));
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+static struct pci_driver advansys_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = advansys_pci_tbl,
+ .probe = advansys_pci_probe,
+ .remove = advansys_pci_remove,
+};
+
+static int __init advansys_init(void)
+{
+ int error;
+
+ error = isa_register_driver(&advansys_isa_driver,
+ ASC_IOADR_TABLE_MAX_IX);
+ if (error)
+ goto fail;
+
+ error = isa_register_driver(&advansys_vlb_driver,
+ ASC_IOADR_TABLE_MAX_IX);
+ if (error)
+ goto unregister_isa;
+
+ error = eisa_driver_register(&advansys_eisa_driver);
+ if (error)
+ goto unregister_vlb;
+
+ error = pci_register_driver(&advansys_pci_driver);
+ if (error)
+ goto unregister_eisa;
+
+ return 0;
+
+ unregister_eisa:
+ eisa_driver_unregister(&advansys_eisa_driver);
+ unregister_vlb:
+ isa_unregister_driver(&advansys_vlb_driver);
+ unregister_isa:
+ isa_unregister_driver(&advansys_isa_driver);
+ fail:
+ return error;
+}
+
+static void __exit advansys_exit(void)
+{
+ pci_unregister_driver(&advansys_pci_driver);
+ eisa_driver_unregister(&advansys_eisa_driver);
+ isa_unregister_driver(&advansys_vlb_driver);
+ isa_unregister_driver(&advansys_isa_driver);
+}
+
+module_init(advansys_init);
+module_exit(advansys_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("advansys/mcode.bin");
+MODULE_FIRMWARE("advansys/3550.bin");
+MODULE_FIRMWARE("advansys/38C0800.bin");
+MODULE_FIRMWARE("advansys/38C1600.bin");
Code Review / kvmfornfv.git / blobdiff