--- /dev/null
+/*
+ * Initio A100 device driver for Linux.
+ *
+ * Copyright (c) 1994-1998 Initio Corporation
+ * 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, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Revision History:
+ * 06/18/98 HL, Initial production Version 1.02
+ * 12/19/98 bv, Use spinlocks for 2.1.95 and up
+ * 06/25/02 Doug Ledford <dledford@redhat.com>
+ * - This and the i60uscsi.h file are almost identical,
+ * merged them into a single header used by both .c files.
+ * 14/06/07 Alan Cox <alan@redhat.com>
+ * - Grand cleanup and Linuxisation
+ */
+
+#define inia100_REVID "Initio INI-A100U2W SCSI device driver; Revision: 1.02d"
+
+#if 1
+#define ORC_MAXQUEUE 245
+#define ORC_MAXTAGS 64
+#else
+#define ORC_MAXQUEUE 25
+#define ORC_MAXTAGS 8
+#endif
+
+#define TOTAL_SG_ENTRY 32
+#define MAX_TARGETS 16
+#define IMAX_CDB 15
+#define SENSE_SIZE 14
+
+/************************************************************************/
+/* Scatter-Gather Element Structure */
+/************************************************************************/
+struct orc_sgent {
+ u32 base; /* Data Pointer */
+ u32 length; /* Data Length */
+};
+
+/* SCSI related definition */
+#define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */
+#define DISC_ALLOW 0xC0 /* Disconnect is allowed */
+
+
+#define ORC_OFFSET_SCB 16
+#define ORC_MAX_SCBS 250
+#define MAX_CHANNELS 2
+#define MAX_ESCB_ELE 64
+#define TCF_DRV_255_63 0x0400
+
+/********************************************************/
+/* Orchid Host Command Set */
+/********************************************************/
+#define ORC_CMD_NOP 0x00 /* Host command - NOP */
+#define ORC_CMD_VERSION 0x01 /* Host command - Get F/W version */
+#define ORC_CMD_ECHO 0x02 /* Host command - ECHO */
+#define ORC_CMD_SET_NVM 0x03 /* Host command - Set NVRAM */
+#define ORC_CMD_GET_NVM 0x04 /* Host command - Get NVRAM */
+#define ORC_CMD_GET_BUS_STATUS 0x05 /* Host command - Get SCSI bus status */
+#define ORC_CMD_ABORT_SCB 0x06 /* Host command - Abort SCB */
+#define ORC_CMD_ISSUE_SCB 0x07 /* Host command - Issue SCB */
+
+/********************************************************/
+/* Orchid Register Set */
+/********************************************************/
+#define ORC_GINTS 0xA0 /* Global Interrupt Status */
+#define QINT 0x04 /* Reply Queue Interrupt */
+#define ORC_GIMSK 0xA1 /* Global Interrupt MASK */
+#define MQINT 0x04 /* Mask Reply Queue Interrupt */
+#define ORC_GCFG 0xA2 /* Global Configure */
+#define EEPRG 0x01 /* Enable EEPROM programming */
+#define ORC_GSTAT 0xA3 /* Global status */
+#define WIDEBUS 0x10 /* Wide SCSI Devices connected */
+#define ORC_HDATA 0xA4 /* Host Data */
+#define ORC_HCTRL 0xA5 /* Host Control */
+#define SCSIRST 0x80 /* SCSI bus reset */
+#define HDO 0x40 /* Host data out */
+#define HOSTSTOP 0x02 /* Host stop RISC engine */
+#define DEVRST 0x01 /* Device reset */
+#define ORC_HSTUS 0xA6 /* Host Status */
+#define HDI 0x02 /* Host data in */
+#define RREADY 0x01 /* RISC engine is ready to receive */
+#define ORC_NVRAM 0xA7 /* Nvram port address */
+#define SE2CS 0x008
+#define SE2CLK 0x004
+#define SE2DO 0x002
+#define SE2DI 0x001
+#define ORC_PQUEUE 0xA8 /* Posting queue FIFO */
+#define ORC_PQCNT 0xA9 /* Posting queue FIFO Cnt */
+#define ORC_RQUEUE 0xAA /* Reply queue FIFO */
+#define ORC_RQUEUECNT 0xAB /* Reply queue FIFO Cnt */
+#define ORC_FWBASEADR 0xAC /* Firmware base address */
+
+#define ORC_EBIOSADR0 0xB0 /* External Bios address */
+#define ORC_EBIOSADR1 0xB1 /* External Bios address */
+#define ORC_EBIOSADR2 0xB2 /* External Bios address */
+#define ORC_EBIOSDATA 0xB3 /* External Bios address */
+
+#define ORC_SCBSIZE 0xB7 /* SCB size register */
+#define ORC_SCBBASE0 0xB8 /* SCB base address 0 */
+#define ORC_SCBBASE1 0xBC /* SCB base address 1 */
+
+#define ORC_RISCCTL 0xE0 /* RISC Control */
+#define PRGMRST 0x002
+#define DOWNLOAD 0x001
+#define ORC_PRGMCTR0 0xE2 /* RISC program counter */
+#define ORC_PRGMCTR1 0xE3 /* RISC program counter */
+#define ORC_RISCRAM 0xEC /* RISC RAM data port 4 bytes */
+
+struct orc_extended_scb { /* Extended SCB */
+ struct orc_sgent sglist[TOTAL_SG_ENTRY]; /*0 Start of SG list */
+ struct scsi_cmnd *srb; /*50 SRB Pointer */
+};
+
+/***********************************************************************
+ SCSI Control Block
+
+ 0x40 bytes long, the last 8 are user bytes
+************************************************************************/
+struct orc_scb { /* Scsi_Ctrl_Blk */
+ u8 opcode; /*00 SCB command code&residual */
+ u8 flags; /*01 SCB Flags */
+ u8 target; /*02 Target Id */
+ u8 lun; /*03 Lun */
+ u32 reserved0; /*04 Reserved for ORCHID must 0 */
+ u32 xferlen; /*08 Data Transfer Length */
+ u32 reserved1; /*0C Reserved for ORCHID must 0 */
+ u32 sg_len; /*10 SG list # * 8 */
+ u32 sg_addr; /*14 SG List Buf physical Addr */
+ u32 sg_addrhigh; /*18 SG Buffer high physical Addr */
+ u8 hastat; /*1C Host Status */
+ u8 tastat; /*1D Target Status */
+ u8 status; /*1E SCB status */
+ u8 link; /*1F Link pointer, default 0xFF */
+ u8 sense_len; /*20 Sense Allocation Length */
+ u8 cdb_len; /*21 CDB Length */
+ u8 ident; /*22 Identify */
+ u8 tag_msg; /*23 Tag Message */
+ u8 cdb[IMAX_CDB]; /*24 SCSI CDBs */
+ u8 scbidx; /*3C Index for this ORCSCB */
+ u32 sense_addr; /*34 Sense Buffer physical Addr */
+
+ struct orc_extended_scb *escb; /*38 Extended SCB Pointer */
+ /* 64bit pointer or 32bit pointer + reserved ? */
+#ifndef CONFIG_64BIT
+ u8 reserved2[4]; /*3E Reserved for Driver use */
+#endif
+};
+
+/* Opcodes of ORCSCB_Opcode */
+#define ORC_EXECSCSI 0x00 /* SCSI initiator command with residual */
+#define ORC_BUSDEVRST 0x01 /* SCSI Bus Device Reset */
+
+/* Status of ORCSCB_Status */
+#define ORCSCB_COMPLETE 0x00 /* SCB request completed */
+#define ORCSCB_POST 0x01 /* SCB is posted by the HOST */
+
+/* Bit Definition for ORCSCB_Flags */
+#define SCF_DISINT 0x01 /* Disable HOST interrupt */
+#define SCF_DIR 0x18 /* Direction bits */
+#define SCF_NO_DCHK 0x00 /* Direction determined by SCSI */
+#define SCF_DIN 0x08 /* From Target to Initiator */
+#define SCF_DOUT 0x10 /* From Initiator to Target */
+#define SCF_NO_XF 0x18 /* No data transfer */
+#define SCF_POLL 0x40
+
+/* Error Codes for ORCSCB_HaStat */
+#define HOST_SEL_TOUT 0x11
+#define HOST_DO_DU 0x12
+#define HOST_BUS_FREE 0x13
+#define HOST_BAD_PHAS 0x14
+#define HOST_INV_CMD 0x16
+#define HOST_SCSI_RST 0x1B
+#define HOST_DEV_RST 0x1C
+
+
+/* Error Codes for ORCSCB_TaStat */
+#define TARGET_CHK_COND 0x02
+#define TARGET_BUSY 0x08
+#define TARGET_TAG_FULL 0x28
+
+
+/***********************************************************************
+ Target Device Control Structure
+**********************************************************************/
+
+struct orc_target {
+ u8 TCS_DrvDASD; /* 6 */
+ u8 TCS_DrvSCSI; /* 7 */
+ u8 TCS_DrvHead; /* 8 */
+ u16 TCS_DrvFlags; /* 4 */
+ u8 TCS_DrvSector; /* 7 */
+};
+
+/* Bit Definition for TCF_DrvFlags */
+#define TCS_DF_NODASD_SUPT 0x20 /* Suppress OS/2 DASD Mgr support */
+#define TCS_DF_NOSCSI_SUPT 0x40 /* Suppress OS/2 SCSI Mgr support */
+
+
+/***********************************************************************
+ Host Adapter Control Structure
+************************************************************************/
+struct orc_host {
+ unsigned long base; /* Base address */
+ u8 index; /* Index (Channel)*/
+ u8 scsi_id; /* H/A SCSI ID */
+ u8 BIOScfg; /*BIOS configuration */
+ u8 flags;
+ u8 max_targets; /* SCSI0MAXTags */
+ struct orc_scb *scb_virt; /* Virtual Pointer to SCB array */
+ dma_addr_t scb_phys; /* Scb Physical address */
+ struct orc_extended_scb *escb_virt; /* Virtual pointer to ESCB Scatter list */
+ dma_addr_t escb_phys; /* scatter list Physical address */
+ u8 target_flag[16]; /* target configuration, TCF_EN_TAG */
+ u8 max_tags[16]; /* ORC_MAX_SCBS */
+ u32 allocation_map[MAX_CHANNELS][8]; /* Max STB is 256, So 256/32 */
+ spinlock_t allocation_lock;
+ struct pci_dev *pdev;
+};
+
+/* Bit Definition for HCS_Flags */
+
+#define HCF_SCSI_RESET 0x01 /* SCSI BUS RESET */
+#define HCF_PARITY 0x02 /* parity card */
+#define HCF_LVDS 0x10 /* parity card */
+
+/* Bit Definition for TargetFlag */
+
+#define TCF_EN_255 0x08
+#define TCF_EN_TAG 0x10
+#define TCF_BUSY 0x20
+#define TCF_DISCONNECT 0x40
+#define TCF_SPIN_UP 0x80
+
+/* Bit Definition for HCS_AFlags */
+#define HCS_AF_IGNORE 0x01 /* Adapter ignore */
+#define HCS_AF_DISABLE_RESET 0x10 /* Adapter disable reset */
+#define HCS_AF_DISABLE_ADPT 0x80 /* Adapter disable */
+
+struct orc_nvram {
+/*----------header ---------------*/
+ u8 SubVendorID0; /* 00 - Sub Vendor ID */
+ u8 SubVendorID1; /* 00 - Sub Vendor ID */
+ u8 SubSysID0; /* 02 - Sub System ID */
+ u8 SubSysID1; /* 02 - Sub System ID */
+ u8 SubClass; /* 04 - Sub Class */
+ u8 VendorID0; /* 05 - Vendor ID */
+ u8 VendorID1; /* 05 - Vendor ID */
+ u8 DeviceID0; /* 07 - Device ID */
+ u8 DeviceID1; /* 07 - Device ID */
+ u8 Reserved0[2]; /* 09 - Reserved */
+ u8 revision; /* 0B - revision of data structure */
+ /* ----Host Adapter Structure ---- */
+ u8 NumOfCh; /* 0C - Number of SCSI channel */
+ u8 BIOSConfig1; /* 0D - BIOS configuration 1 */
+ u8 BIOSConfig2; /* 0E - BIOS boot channel&target ID */
+ u8 BIOSConfig3; /* 0F - BIOS configuration 3 */
+ /* ----SCSI channel Structure ---- */
+ /* from "CTRL-I SCSI Host Adapter SetUp menu " */
+ u8 scsi_id; /* 10 - Channel 0 SCSI ID */
+ u8 SCSI0Config; /* 11 - Channel 0 SCSI configuration */
+ u8 SCSI0MaxTags; /* 12 - Channel 0 Maximum tags */
+ u8 SCSI0ResetTime; /* 13 - Channel 0 Reset recovering time */
+ u8 ReservedforChannel0[2]; /* 14 - Reserved */
+
+ /* ----SCSI target Structure ---- */
+ /* from "CTRL-I SCSI device SetUp menu " */
+ u8 Target00Config; /* 16 - Channel 0 Target 0 config */
+ u8 Target01Config; /* 17 - Channel 0 Target 1 config */
+ u8 Target02Config; /* 18 - Channel 0 Target 2 config */
+ u8 Target03Config; /* 19 - Channel 0 Target 3 config */
+ u8 Target04Config; /* 1A - Channel 0 Target 4 config */
+ u8 Target05Config; /* 1B - Channel 0 Target 5 config */
+ u8 Target06Config; /* 1C - Channel 0 Target 6 config */
+ u8 Target07Config; /* 1D - Channel 0 Target 7 config */
+ u8 Target08Config; /* 1E - Channel 0 Target 8 config */
+ u8 Target09Config; /* 1F - Channel 0 Target 9 config */
+ u8 Target0AConfig; /* 20 - Channel 0 Target A config */
+ u8 Target0BConfig; /* 21 - Channel 0 Target B config */
+ u8 Target0CConfig; /* 22 - Channel 0 Target C config */
+ u8 Target0DConfig; /* 23 - Channel 0 Target D config */
+ u8 Target0EConfig; /* 24 - Channel 0 Target E config */
+ u8 Target0FConfig; /* 25 - Channel 0 Target F config */
+
+ u8 SCSI1Id; /* 26 - Channel 1 SCSI ID */
+ u8 SCSI1Config; /* 27 - Channel 1 SCSI configuration */
+ u8 SCSI1MaxTags; /* 28 - Channel 1 Maximum tags */
+ u8 SCSI1ResetTime; /* 29 - Channel 1 Reset recovering time */
+ u8 ReservedforChannel1[2]; /* 2A - Reserved */
+
+ /* ----SCSI target Structure ---- */
+ /* from "CTRL-I SCSI device SetUp menu " */
+ u8 Target10Config; /* 2C - Channel 1 Target 0 config */
+ u8 Target11Config; /* 2D - Channel 1 Target 1 config */
+ u8 Target12Config; /* 2E - Channel 1 Target 2 config */
+ u8 Target13Config; /* 2F - Channel 1 Target 3 config */
+ u8 Target14Config; /* 30 - Channel 1 Target 4 config */
+ u8 Target15Config; /* 31 - Channel 1 Target 5 config */
+ u8 Target16Config; /* 32 - Channel 1 Target 6 config */
+ u8 Target17Config; /* 33 - Channel 1 Target 7 config */
+ u8 Target18Config; /* 34 - Channel 1 Target 8 config */
+ u8 Target19Config; /* 35 - Channel 1 Target 9 config */
+ u8 Target1AConfig; /* 36 - Channel 1 Target A config */
+ u8 Target1BConfig; /* 37 - Channel 1 Target B config */
+ u8 Target1CConfig; /* 38 - Channel 1 Target C config */
+ u8 Target1DConfig; /* 39 - Channel 1 Target D config */
+ u8 Target1EConfig; /* 3A - Channel 1 Target E config */
+ u8 Target1FConfig; /* 3B - Channel 1 Target F config */
+ u8 reserved[3]; /* 3C - Reserved */
+ /* ---------- CheckSum ---------- */
+ u8 CheckSum; /* 3F - Checksum of NVRam */
+};
+
+/* Bios Configuration for nvram->BIOSConfig1 */
+#define NBC_BIOSENABLE 0x01 /* BIOS enable */
+#define NBC_CDROM 0x02 /* Support bootable CDROM */
+#define NBC_REMOVABLE 0x04 /* Support removable drive */
+
+/* Bios Configuration for nvram->BIOSConfig2 */
+#define NBB_TARGET_MASK 0x0F /* Boot SCSI target ID number */
+#define NBB_CHANL_MASK 0xF0 /* Boot SCSI channel number */
+
+/* Bit definition for nvram->SCSIConfig */
+#define NCC_BUSRESET 0x01 /* Reset SCSI bus at power up */
+#define NCC_PARITYCHK 0x02 /* SCSI parity enable */
+#define NCC_LVDS 0x10 /* Enable LVDS */
+#define NCC_ACTTERM1 0x20 /* Enable active terminator 1 */
+#define NCC_ACTTERM2 0x40 /* Enable active terminator 2 */
+#define NCC_AUTOTERM 0x80 /* Enable auto termination */
+
+/* Bit definition for nvram->TargetxConfig */
+#define NTC_PERIOD 0x07 /* Maximum Sync. Speed */
+#define NTC_1GIGA 0x08 /* 255 head / 63 sectors (64/32) */
+#define NTC_NO_SYNC 0x10 /* NO SYNC. NEGO */
+#define NTC_NO_WIDESYNC 0x20 /* NO WIDE SYNC. NEGO */
+#define NTC_DISC_ENABLE 0x40 /* Enable SCSI disconnect */
+#define NTC_SPINUP 0x80 /* Start disk drive */
+
+/* Default NVRam values */
+#define NBC_DEFAULT (NBC_ENABLE)
+#define NCC_DEFAULT (NCC_BUSRESET | NCC_AUTOTERM | NCC_PARITYCHK)
+#define NCC_MAX_TAGS 0x20 /* Maximum tags per target */
+#define NCC_RESET_TIME 0x0A /* SCSI RESET recovering time */
+#define NTC_DEFAULT (NTC_1GIGA | NTC_NO_WIDESYNC | NTC_DISC_ENABLE)
+
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