--- /dev/null
+/*
+ * comedi/drivers/s626.h
+ * Sensoray s626 Comedi driver, header file
+ *
+ * COMEDI - Linux Control and Measurement Device Interface
+ * Copyright (C) 2000 David A. Schleef <ds@schleef.org>
+ *
+ * Based on Sensoray Model 626 Linux driver Version 0.2
+ * Copyright (C) 2002-2004 Sensoray Co., Inc.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#ifndef S626_H_INCLUDED
+#define S626_H_INCLUDED
+
+#define S626_DMABUF_SIZE 4096 /* 4k pages */
+
+#define S626_ADC_CHANNELS 16
+#define S626_DAC_CHANNELS 4
+#define S626_ENCODER_CHANNELS 6
+#define S626_DIO_CHANNELS 48
+#define S626_DIO_BANKS 3 /* Number of DIO groups. */
+#define S626_DIO_EXTCHANS 40 /* Number of extended-capability
+ * DIO channels. */
+
+#define S626_NUM_TRIMDACS 12 /* Number of valid TrimDAC channels. */
+
+/* PCI bus interface types. */
+#define S626_INTEL 1 /* Intel bus type. */
+#define S626_MOTOROLA 2 /* Motorola bus type. */
+
+#define S626_PLATFORM S626_INTEL /* *** SELECT PLATFORM TYPE *** */
+
+#define S626_RANGE_5V 0x10 /* +/-5V range */
+#define S626_RANGE_10V 0x00 /* +/-10V range */
+
+#define S626_EOPL 0x80 /* End of ADC poll list marker. */
+#define S626_GSEL_BIPOLAR5V 0x00F0 /* S626_LP_GSEL setting 5V bipolar. */
+#define S626_GSEL_BIPOLAR10V 0x00A0 /* S626_LP_GSEL setting 10V bipolar. */
+
+/* Error codes that must be visible to this base class. */
+#define S626_ERR_ILLEGAL_PARM 0x00010000 /* Illegal function parameter
+ * value was specified. */
+#define S626_ERR_I2C 0x00020000 /* I2C error. */
+#define S626_ERR_COUNTERSETUP 0x00200000 /* Illegal setup specified for
+ * counter channel. */
+#define S626_ERR_DEBI_TIMEOUT 0x00400000 /* DEBI transfer timed out. */
+
+/*
+ * Organization (physical order) and size (in DWORDs) of logical DMA buffers
+ * contained by ANA_DMABUF.
+ */
+#define S626_ADC_DMABUF_DWORDS 40 /* ADC DMA buffer must hold 16 samples,
+ * plus pre/post garbage samples. */
+#define S626_DAC_WDMABUF_DWORDS 1 /* DAC output DMA buffer holds a single
+ * sample. */
+
+/* All remaining space in 4KB DMA buffer is available for the RPS1 program. */
+
+/* Address offsets, in DWORDS, from base of DMA buffer. */
+#define S626_DAC_WDMABUF_OS S626_ADC_DMABUF_DWORDS
+
+/* Interrupt enable bit in ISR and IER. */
+#define S626_IRQ_GPIO3 0x00000040 /* IRQ enable for GPIO3. */
+#define S626_IRQ_RPS1 0x10000000
+#define S626_ISR_AFOU 0x00000800
+/* Audio fifo under/overflow detected. */
+
+#define S626_IRQ_COINT1A 0x0400 /* counter 1A overflow interrupt mask */
+#define S626_IRQ_COINT1B 0x0800 /* counter 1B overflow interrupt mask */
+#define S626_IRQ_COINT2A 0x1000 /* counter 2A overflow interrupt mask */
+#define S626_IRQ_COINT2B 0x2000 /* counter 2B overflow interrupt mask */
+#define S626_IRQ_COINT3A 0x4000 /* counter 3A overflow interrupt mask */
+#define S626_IRQ_COINT3B 0x8000 /* counter 3B overflow interrupt mask */
+
+/* RPS command codes. */
+#define S626_RPS_CLRSIGNAL 0x00000000 /* CLEAR SIGNAL */
+#define S626_RPS_SETSIGNAL 0x10000000 /* SET SIGNAL */
+#define S626_RPS_NOP 0x00000000 /* NOP */
+#define S626_RPS_PAUSE 0x20000000 /* PAUSE */
+#define S626_RPS_UPLOAD 0x40000000 /* UPLOAD */
+#define S626_RPS_JUMP 0x80000000 /* JUMP */
+#define S626_RPS_LDREG 0x90000100 /* LDREG (1 uint32_t only) */
+#define S626_RPS_STREG 0xA0000100 /* STREG (1 uint32_t only) */
+#define S626_RPS_STOP 0x50000000 /* STOP */
+#define S626_RPS_IRQ 0x60000000 /* IRQ */
+
+#define S626_RPS_LOGICAL_OR 0x08000000 /* Logical OR conditionals. */
+#define S626_RPS_INVERT 0x04000000 /* Test for negated
+ * semaphores. */
+#define S626_RPS_DEBI 0x00000002 /* DEBI done */
+
+#define S626_RPS_SIG0 0x00200000 /* RPS semaphore 0
+ * (used by ADC). */
+#define S626_RPS_SIG1 0x00400000 /* RPS semaphore 1
+ * (used by DAC). */
+#define S626_RPS_SIG2 0x00800000 /* RPS semaphore 2
+ * (not used). */
+#define S626_RPS_GPIO2 0x00080000 /* RPS GPIO2 */
+#define S626_RPS_GPIO3 0x00100000 /* RPS GPIO3 */
+
+#define S626_RPS_SIGADC S626_RPS_SIG0 /* Trigger/status for
+ * ADC's RPS program. */
+#define S626_RPS_SIGDAC S626_RPS_SIG1 /* Trigger/status for
+ * DAC's RPS program. */
+
+/* RPS clock parameters. */
+#define S626_RPSCLK_SCALAR 8 /* This is apparent ratio of
+ * PCI/RPS clks (undocumented!!). */
+#define S626_RPSCLK_PER_US (33 / S626_RPSCLK_SCALAR)
+ /* Number of RPS clocks in one
+ * microsecond. */
+
+/* Event counter source addresses. */
+#define S626_SBA_RPS_A0 0x27 /* Time of RPS0 busy, in PCI clocks. */
+
+/* GPIO constants. */
+#define S626_GPIO_BASE 0x10004000 /* GPIO 0,2,3 = inputs,
+ * GPIO3 = IRQ; GPIO1 = out. */
+#define S626_GPIO1_LO 0x00000000 /* GPIO1 set to LOW. */
+#define S626_GPIO1_HI 0x00001000 /* GPIO1 set to HIGH. */
+
+/* Primary Status Register (PSR) constants. */
+#define S626_PSR_DEBI_E 0x00040000 /* DEBI event flag. */
+#define S626_PSR_DEBI_S 0x00080000 /* DEBI status flag. */
+#define S626_PSR_A2_IN 0x00008000 /* Audio output DMA2 protection
+ * address reached. */
+#define S626_PSR_AFOU 0x00000800 /* Audio FIFO under/overflow
+ * detected. */
+#define S626_PSR_GPIO2 0x00000020 /* GPIO2 input pin: 0=AdcBusy,
+ * 1=AdcIdle. */
+#define S626_PSR_EC0S 0x00000001 /* Event counter 0 threshold
+ * reached. */
+
+/* Secondary Status Register (SSR) constants. */
+#define S626_SSR_AF2_OUT 0x00000200 /* Audio 2 output FIFO
+ * under/overflow detected. */
+
+/* Master Control Register 1 (MC1) constants. */
+#define S626_MC1_SOFT_RESET 0x80000000 /* Invoke 7146 soft reset. */
+#define S626_MC1_SHUTDOWN 0x3FFF0000 /* Shut down all MC1-controlled
+ * enables. */
+
+#define S626_MC1_ERPS1 0x2000 /* Enab/disable RPS task 1. */
+#define S626_MC1_ERPS0 0x1000 /* Enab/disable RPS task 0. */
+#define S626_MC1_DEBI 0x0800 /* Enab/disable DEBI pins. */
+#define S626_MC1_AUDIO 0x0200 /* Enab/disable audio port pins. */
+#define S626_MC1_I2C 0x0100 /* Enab/disable I2C interface. */
+#define S626_MC1_A2OUT 0x0008 /* Enab/disable transfer on A2 out. */
+#define S626_MC1_A2IN 0x0004 /* Enab/disable transfer on A2 in. */
+#define S626_MC1_A1IN 0x0001 /* Enab/disable transfer on A1 in. */
+
+/* Master Control Register 2 (MC2) constants. */
+#define S626_MC2_UPLD_DEBI 0x0002 /* Upload DEBI. */
+#define S626_MC2_UPLD_IIC 0x0001 /* Upload I2C. */
+#define S626_MC2_RPSSIG2 0x2000 /* RPS signal 2 (not used). */
+#define S626_MC2_RPSSIG1 0x1000 /* RPS signal 1 (DAC RPS busy). */
+#define S626_MC2_RPSSIG0 0x0800 /* RPS signal 0 (ADC RPS busy). */
+
+#define S626_MC2_ADC_RPS S626_MC2_RPSSIG0 /* ADC RPS busy. */
+#define S626_MC2_DAC_RPS S626_MC2_RPSSIG1 /* DAC RPS busy. */
+
+/* PCI BUS (SAA7146) REGISTER ADDRESS OFFSETS */
+#define S626_P_PCI_BT_A 0x004C /* Audio DMA burst/threshold control. */
+#define S626_P_DEBICFG 0x007C /* DEBI configuration. */
+#define S626_P_DEBICMD 0x0080 /* DEBI command. */
+#define S626_P_DEBIPAGE 0x0084 /* DEBI page. */
+#define S626_P_DEBIAD 0x0088 /* DEBI target address. */
+#define S626_P_I2CCTRL 0x008C /* I2C control. */
+#define S626_P_I2CSTAT 0x0090 /* I2C status. */
+#define S626_P_BASEA2_IN 0x00AC /* Audio input 2 base physical DMAbuf
+ * address. */
+#define S626_P_PROTA2_IN 0x00B0 /* Audio input 2 physical DMAbuf
+ * protection address. */
+#define S626_P_PAGEA2_IN 0x00B4 /* Audio input 2 paging attributes. */
+#define S626_P_BASEA2_OUT 0x00B8 /* Audio output 2 base physical DMAbuf
+ * address. */
+#define S626_P_PROTA2_OUT 0x00BC /* Audio output 2 physical DMAbuf
+ * protection address. */
+#define S626_P_PAGEA2_OUT 0x00C0 /* Audio output 2 paging attributes. */
+#define S626_P_RPSPAGE0 0x00C4 /* RPS0 page. */
+#define S626_P_RPSPAGE1 0x00C8 /* RPS1 page. */
+#define S626_P_RPS0_TOUT 0x00D4 /* RPS0 time-out. */
+#define S626_P_RPS1_TOUT 0x00D8 /* RPS1 time-out. */
+#define S626_P_IER 0x00DC /* Interrupt enable. */
+#define S626_P_GPIO 0x00E0 /* General-purpose I/O. */
+#define S626_P_EC1SSR 0x00E4 /* Event counter set 1 source select. */
+#define S626_P_ECT1R 0x00EC /* Event counter threshold set 1. */
+#define S626_P_ACON1 0x00F4 /* Audio control 1. */
+#define S626_P_ACON2 0x00F8 /* Audio control 2. */
+#define S626_P_MC1 0x00FC /* Master control 1. */
+#define S626_P_MC2 0x0100 /* Master control 2. */
+#define S626_P_RPSADDR0 0x0104 /* RPS0 instruction pointer. */
+#define S626_P_RPSADDR1 0x0108 /* RPS1 instruction pointer. */
+#define S626_P_ISR 0x010C /* Interrupt status. */
+#define S626_P_PSR 0x0110 /* Primary status. */
+#define S626_P_SSR 0x0114 /* Secondary status. */
+#define S626_P_EC1R 0x0118 /* Event counter set 1. */
+#define S626_P_ADP4 0x0138 /* Logical audio DMA pointer of audio
+ * input FIFO A2_IN. */
+#define S626_P_FB_BUFFER1 0x0144 /* Audio feedback buffer 1. */
+#define S626_P_FB_BUFFER2 0x0148 /* Audio feedback buffer 2. */
+#define S626_P_TSL1 0x0180 /* Audio time slot list 1. */
+#define S626_P_TSL2 0x01C0 /* Audio time slot list 2. */
+
+/* LOCAL BUS (GATE ARRAY) REGISTER ADDRESS OFFSETS */
+/* Analog I/O registers: */
+#define S626_LP_DACPOL 0x0082 /* Write DAC polarity. */
+#define S626_LP_GSEL 0x0084 /* Write ADC gain. */
+#define S626_LP_ISEL 0x0086 /* Write ADC channel select. */
+
+/* Digital I/O registers */
+#define S626_LP_RDDIN(x) (0x0040 + (x) * 0x10) /* R: digital input */
+#define S626_LP_WRINTSEL(x) (0x0042 + (x) * 0x10) /* W: int enable */
+#define S626_LP_WREDGSEL(x) (0x0044 + (x) * 0x10) /* W: edge selection */
+#define S626_LP_WRCAPSEL(x) (0x0046 + (x) * 0x10) /* W: capture enable */
+#define S626_LP_RDCAPFLG(x) (0x0048 + (x) * 0x10) /* R: edges captured */
+#define S626_LP_WRDOUT(x) (0x0048 + (x) * 0x10) /* W: digital output */
+#define S626_LP_RDINTSEL(x) (0x004a + (x) * 0x10) /* R: int enable */
+#define S626_LP_RDEDGSEL(x) (0x004c + (x) * 0x10) /* R: edge selection */
+#define S626_LP_RDCAPSEL(x) (0x004e + (x) * 0x10) /* R: capture enable */
+
+/* Counter registers (read/write): 0A 1A 2A 0B 1B 2B */
+#define S626_LP_CRA(x) (0x0000 + (((x) % 3) * 0x4))
+#define S626_LP_CRB(x) (0x0002 + (((x) % 3) * 0x4))
+
+/* Counter PreLoad (write) and Latch (read) Registers: 0A 1A 2A 0B 1B 2B */
+#define S626_LP_CNTR(x) (0x000c + (((x) < 3) ? 0x0 : 0x4) + \
+ (((x) % 3) * 0x8))
+
+/* Miscellaneous Registers (read/write): */
+#define S626_LP_MISC1 0x0088 /* Read/write Misc1. */
+#define S626_LP_WRMISC2 0x0090 /* Write Misc2. */
+#define S626_LP_RDMISC2 0x0082 /* Read Misc2. */
+
+/* Bit masks for MISC1 register that are the same for reads and writes. */
+#define S626_MISC1_WENABLE 0x8000 /* enab writes to MISC2 (except Clear
+ * Watchdog bit). */
+#define S626_MISC1_WDISABLE 0x0000 /* Disable writes to MISC2. */
+#define S626_MISC1_EDCAP 0x1000 /* Enable edge capture on DIO chans
+ * specified by S626_LP_WRCAPSELx. */
+#define S626_MISC1_NOEDCAP 0x0000 /* Disable edge capture on specified
+ * DIO chans. */
+
+/* Bit masks for MISC1 register reads. */
+#define S626_RDMISC1_WDTIMEOUT 0x4000 /* Watchdog timer timed out. */
+
+/* Bit masks for MISC2 register writes. */
+#define S626_WRMISC2_WDCLEAR 0x8000 /* Reset watchdog timer to zero. */
+#define S626_WRMISC2_CHARGE_ENABLE 0x4000 /* Enable battery trickle charging. */
+
+/* Bit masks for MISC2 register that are the same for reads and writes. */
+#define S626_MISC2_BATT_ENABLE 0x0008 /* Backup battery enable. */
+#define S626_MISC2_WDENABLE 0x0004 /* Watchdog timer enable. */
+#define S626_MISC2_WDPERIOD_MASK 0x0003 /* Watchdog interval select mask. */
+
+/* Bit masks for ACON1 register. */
+#define S626_A2_RUN 0x40000000 /* Run A2 based on TSL2. */
+#define S626_A1_RUN 0x20000000 /* Run A1 based on TSL1. */
+#define S626_A1_SWAP 0x00200000 /* Use big-endian for A1. */
+#define S626_A2_SWAP 0x00100000 /* Use big-endian for A2. */
+#define S626_WS_MODES 0x00019999 /* WS0 = TSL1 trigger input,
+ * WS1-WS4 = CS* outputs. */
+
+#if S626_PLATFORM == S626_INTEL /* Base ACON1 config: always run
+ * A1 based on TSL1. */
+#define S626_ACON1_BASE (S626_WS_MODES | S626_A1_RUN)
+#elif S626_PLATFORM == S626_MOTOROLA
+#define S626_ACON1_BASE \
+ (S626_WS_MODES | S626_A1_RUN | S626_A1_SWAP | S626_A2_SWAP)
+#endif
+
+#define S626_ACON1_ADCSTART S626_ACON1_BASE /* Start ADC: run A1
+ * based on TSL1. */
+#define S626_ACON1_DACSTART (S626_ACON1_BASE | S626_A2_RUN)
+/* Start transmit to DAC: run A2 based on TSL2. */
+#define S626_ACON1_DACSTOP S626_ACON1_BASE /* Halt A2. */
+
+/* Bit masks for ACON2 register. */
+#define S626_A1_CLKSRC_BCLK1 0x00000000 /* A1 bit rate = BCLK1 (ADC). */
+#define S626_A2_CLKSRC_X1 0x00800000 /* A2 bit rate = ACLK/1
+ * (DACs). */
+#define S626_A2_CLKSRC_X2 0x00C00000 /* A2 bit rate = ACLK/2
+ * (DACs). */
+#define S626_A2_CLKSRC_X4 0x01400000 /* A2 bit rate = ACLK/4
+ * (DACs). */
+#define S626_INVERT_BCLK2 0x00100000 /* Invert BCLK2 (DACs). */
+#define S626_BCLK2_OE 0x00040000 /* Enable BCLK2 (DACs). */
+#define S626_ACON2_XORMASK 0x000C0000 /* XOR mask for ACON2
+ * active-low bits. */
+
+#define S626_ACON2_INIT (S626_ACON2_XORMASK ^ \
+ (S626_A1_CLKSRC_BCLK1 | S626_A2_CLKSRC_X2 | \
+ S626_INVERT_BCLK2 | S626_BCLK2_OE))
+
+/* Bit masks for timeslot records. */
+#define S626_WS1 0x40000000 /* WS output to assert. */
+#define S626_WS2 0x20000000
+#define S626_WS3 0x10000000
+#define S626_WS4 0x08000000
+#define S626_RSD1 0x01000000 /* Shift A1 data in on SD1. */
+#define S626_SDW_A1 0x00800000 /* Store rcv'd char at next char
+ * slot of DWORD1 buffer. */
+#define S626_SIB_A1 0x00400000 /* Store rcv'd char at next
+ * char slot of FB1 buffer. */
+#define S626_SF_A1 0x00200000 /* Write unsigned long
+ * buffer to input FIFO. */
+
+/* Select parallel-to-serial converter's data source: */
+#define S626_XFIFO_0 0x00000000 /* Data fifo byte 0. */
+#define S626_XFIFO_1 0x00000010 /* Data fifo byte 1. */
+#define S626_XFIFO_2 0x00000020 /* Data fifo byte 2. */
+#define S626_XFIFO_3 0x00000030 /* Data fifo byte 3. */
+#define S626_XFB0 0x00000040 /* FB_BUFFER byte 0. */
+#define S626_XFB1 0x00000050 /* FB_BUFFER byte 1. */
+#define S626_XFB2 0x00000060 /* FB_BUFFER byte 2. */
+#define S626_XFB3 0x00000070 /* FB_BUFFER byte 3. */
+#define S626_SIB_A2 0x00000200 /* Store next dword from A2's
+ * input shifter to FB2
+ * buffer. */
+#define S626_SF_A2 0x00000100 /* Store next dword from A2's
+ * input shifter to its input
+ * fifo. */
+#define S626_LF_A2 0x00000080 /* Load next dword from A2's
+ * output fifo into its
+ * output dword buffer. */
+#define S626_XSD2 0x00000008 /* Shift data out on SD2. */
+#define S626_RSD3 0x00001800 /* Shift data in on SD3. */
+#define S626_RSD2 0x00001000 /* Shift data in on SD2. */
+#define S626_LOW_A2 0x00000002 /* Drive last SD low for 7 clks,
+ * then tri-state. */
+#define S626_EOS 0x00000001 /* End of superframe. */
+
+/* I2C configuration constants. */
+#define S626_I2C_CLKSEL 0x0400 /* I2C bit rate =
+ * PCIclk/480 = 68.75 KHz. */
+#define S626_I2C_BITRATE 68.75 /* I2C bus data bit rate
+ * (determined by
+ * S626_I2C_CLKSEL) in KHz. */
+#define S626_I2C_WRTIME 15.0 /* Worst case time, in msec,
+ * for EEPROM internal write
+ * op. */
+
+/* I2C manifest constants. */
+
+/* Max retries to wait for EEPROM write. */
+#define S626_I2C_RETRIES (S626_I2C_WRTIME * S626_I2C_BITRATE / 9.0)
+#define S626_I2C_ERR 0x0002 /* I2C control/status flag ERROR. */
+#define S626_I2C_BUSY 0x0001 /* I2C control/status flag BUSY. */
+#define S626_I2C_ABORT 0x0080 /* I2C status flag ABORT. */
+#define S626_I2C_ATTRSTART 0x3 /* I2C attribute START. */
+#define S626_I2C_ATTRCONT 0x2 /* I2C attribute CONT. */
+#define S626_I2C_ATTRSTOP 0x1 /* I2C attribute STOP. */
+#define S626_I2C_ATTRNOP 0x0 /* I2C attribute NOP. */
+
+/* Code macros used for constructing I2C command bytes. */
+#define S626_I2C_B2(ATTR, VAL) (((ATTR) << 6) | ((VAL) << 24))
+#define S626_I2C_B1(ATTR, VAL) (((ATTR) << 4) | ((VAL) << 16))
+#define S626_I2C_B0(ATTR, VAL) (((ATTR) << 2) | ((VAL) << 8))
+
+/* DEBI command constants. */
+#define S626_DEBI_CMD_SIZE16 (2 << 17) /* Transfer size is always
+ * 2 bytes. */
+#define S626_DEBI_CMD_READ 0x00010000 /* Read operation. */
+#define S626_DEBI_CMD_WRITE 0x00000000 /* Write operation. */
+
+/* Read immediate 2 bytes. */
+#define S626_DEBI_CMD_RDWORD (S626_DEBI_CMD_READ | S626_DEBI_CMD_SIZE16)
+
+/* Write immediate 2 bytes. */
+#define S626_DEBI_CMD_WRWORD (S626_DEBI_CMD_WRITE | S626_DEBI_CMD_SIZE16)
+
+/* DEBI configuration constants. */
+#define S626_DEBI_CFG_XIRQ_EN 0x80000000 /* Enable external interrupt
+ * on GPIO3. */
+#define S626_DEBI_CFG_XRESUME 0x40000000 /* Resume block */
+ /* Transfer when XIRQ
+ * deasserted. */
+#define S626_DEBI_CFG_TOQ 0x03C00000 /* Timeout (15 PCI cycles). */
+#define S626_DEBI_CFG_FAST 0x10000000 /* Fast mode enable. */
+
+/* 4-bit field that specifies DEBI timeout value in PCI clock cycles: */
+#define S626_DEBI_CFG_TOUT_BIT 22 /* Finish DEBI cycle after this many
+ * clocks. */
+
+/* 2-bit field that specifies Endian byte lane steering: */
+#define S626_DEBI_CFG_SWAP_NONE 0x00000000 /* Straight - don't swap any
+ * bytes (Intel). */
+#define S626_DEBI_CFG_SWAP_2 0x00100000 /* 2-byte swap (Motorola). */
+#define S626_DEBI_CFG_SWAP_4 0x00200000 /* 4-byte swap. */
+#define S626_DEBI_CFG_SLAVE16 0x00080000 /* Slave is able to serve
+ * 16-bit cycles. */
+#define S626_DEBI_CFG_INC 0x00040000 /* Enable address increment
+ * for block transfers. */
+#define S626_DEBI_CFG_INTEL 0x00020000 /* Intel style local bus. */
+#define S626_DEBI_CFG_TIMEROFF 0x00010000 /* Disable timer. */
+
+#if S626_PLATFORM == S626_INTEL
+
+#define S626_DEBI_TOUT 7 /* Wait 7 PCI clocks (212 ns) before
+ * polling RDY. */
+
+/* Intel byte lane steering (pass through all byte lanes). */
+#define S626_DEBI_SWAP S626_DEBI_CFG_SWAP_NONE
+
+#elif S626_PLATFORM == S626_MOTOROLA
+
+#define S626_DEBI_TOUT 15 /* Wait 15 PCI clocks (454 ns) maximum
+ * before timing out. */
+
+/* Motorola byte lane steering. */
+#define S626_DEBI_SWAP S626_DEBI_CFG_SWAP_2
+
+#endif
+
+/* DEBI page table constants. */
+#define S626_DEBI_PAGE_DISABLE 0x00000000 /* Paging disable. */
+
+/* ******* EXTRA FROM OTHER SENSORAY * .h ******* */
+
+/* LoadSrc values: */
+#define S626_LOADSRC_INDX 0 /* Preload core in response to Index. */
+#define S626_LOADSRC_OVER 1 /* Preload core in response to
+ * Overflow. */
+#define S626_LOADSRCB_OVERA 2 /* Preload B core in response to
+ * A Overflow. */
+#define S626_LOADSRC_NONE 3 /* Never preload core. */
+
+/* IntSrc values: */
+#define S626_INTSRC_NONE 0 /* Interrupts disabled. */
+#define S626_INTSRC_OVER 1 /* Interrupt on Overflow. */
+#define S626_INTSRC_INDX 2 /* Interrupt on Index. */
+#define S626_INTSRC_BOTH 3 /* Interrupt on Index or Overflow. */
+
+/* LatchSrc values: */
+#define S626_LATCHSRC_AB_READ 0 /* Latch on read. */
+#define S626_LATCHSRC_A_INDXA 1 /* Latch A on A Index. */
+#define S626_LATCHSRC_B_INDXB 2 /* Latch B on B Index. */
+#define S626_LATCHSRC_B_OVERA 3 /* Latch B on A Overflow. */
+
+/* IndxSrc values: */
+#define S626_INDXSRC_ENCODER 0 /* Encoder. */
+#define S626_INDXSRC_DIGIN 1 /* Digital inputs. */
+#define S626_INDXSRC_SOFT 2 /* S/w controlled by IndxPol bit. */
+#define S626_INDXSRC_DISABLED 3 /* Index disabled. */
+
+/* IndxPol values: */
+#define S626_INDXPOL_POS 0 /* Index input is active high. */
+#define S626_INDXPOL_NEG 1 /* Index input is active low. */
+
+/* Logical encoder mode values: */
+#define S626_ENCMODE_COUNTER 0 /* Counter mode. */
+#define S626_ENCMODE_TIMER 2 /* Timer mode. */
+#define S626_ENCMODE_EXTENDER 3 /* Extender mode. */
+
+/* Physical CntSrc values (for Counter A source and Counter B source): */
+#define S626_CNTSRC_ENCODER 0 /* Encoder */
+#define S626_CNTSRC_DIGIN 1 /* Digital inputs */
+#define S626_CNTSRC_SYSCLK 2 /* System clock up */
+#define S626_CNTSRC_SYSCLK_DOWN 3 /* System clock down */
+
+/* ClkPol values: */
+#define S626_CLKPOL_POS 0 /* Counter/Extender clock is
+ * active high. */
+#define S626_CLKPOL_NEG 1 /* Counter/Extender clock is
+ * active low. */
+#define S626_CNTDIR_UP 0 /* Timer counts up. */
+#define S626_CNTDIR_DOWN 1 /* Timer counts down. */
+
+/* ClkEnab values: */
+#define S626_CLKENAB_ALWAYS 0 /* Clock always enabled. */
+#define S626_CLKENAB_INDEX 1 /* Clock is enabled by index. */
+
+/* ClkMult values: */
+#define S626_CLKMULT_4X 0 /* 4x clock multiplier. */
+#define S626_CLKMULT_2X 1 /* 2x clock multiplier. */
+#define S626_CLKMULT_1X 2 /* 1x clock multiplier. */
+#define S626_CLKMULT_SPECIAL 3 /* Special clock multiplier value. */
+
+/* Sanity-check limits for parameters. */
+
+#define S626_NUM_COUNTERS 6 /* Maximum valid counter
+ * logical channel number. */
+#define S626_NUM_INTSOURCES 4
+#define S626_NUM_LATCHSOURCES 4
+#define S626_NUM_CLKMULTS 4
+#define S626_NUM_CLKSOURCES 4
+#define S626_NUM_CLKPOLS 2
+#define S626_NUM_INDEXPOLS 2
+#define S626_NUM_INDEXSOURCES 2
+#define S626_NUM_LOADTRIGS 4
+
+/* General macros for manipulating bitfields: */
+#define S626_MAKE(x, w, p) (((x) & ((1 << (w)) - 1)) << (p))
+#define S626_UNMAKE(v, w, p) (((v) >> (p)) & ((1 << (w)) - 1))
+
+/* Bit field positions in CRA: */
+#define S626_CRABIT_INDXSRC_B 14 /* B index source. */
+#define S626_CRABIT_CNTSRC_B 12 /* B counter source. */
+#define S626_CRABIT_INDXPOL_A 11 /* A index polarity. */
+#define S626_CRABIT_LOADSRC_A 9 /* A preload trigger. */
+#define S626_CRABIT_CLKMULT_A 7 /* A clock multiplier. */
+#define S626_CRABIT_INTSRC_A 5 /* A interrupt source. */
+#define S626_CRABIT_CLKPOL_A 4 /* A clock polarity. */
+#define S626_CRABIT_INDXSRC_A 2 /* A index source. */
+#define S626_CRABIT_CNTSRC_A 0 /* A counter source. */
+
+/* Bit field widths in CRA: */
+#define S626_CRAWID_INDXSRC_B 2
+#define S626_CRAWID_CNTSRC_B 2
+#define S626_CRAWID_INDXPOL_A 1
+#define S626_CRAWID_LOADSRC_A 2
+#define S626_CRAWID_CLKMULT_A 2
+#define S626_CRAWID_INTSRC_A 2
+#define S626_CRAWID_CLKPOL_A 1
+#define S626_CRAWID_INDXSRC_A 2
+#define S626_CRAWID_CNTSRC_A 2
+
+/* Bit field masks for CRA: */
+#define S626_CRAMSK_INDXSRC_B S626_SET_CRA_INDXSRC_B(~0)
+#define S626_CRAMSK_CNTSRC_B S626_SET_CRA_CNTSRC_B(~0)
+#define S626_CRAMSK_INDXPOL_A S626_SET_CRA_INDXPOL_A(~0)
+#define S626_CRAMSK_LOADSRC_A S626_SET_CRA_LOADSRC_A(~0)
+#define S626_CRAMSK_CLKMULT_A S626_SET_CRA_CLKMULT_A(~0)
+#define S626_CRAMSK_INTSRC_A S626_SET_CRA_INTSRC_A(~0)
+#define S626_CRAMSK_CLKPOL_A S626_SET_CRA_CLKPOL_A(~0)
+#define S626_CRAMSK_INDXSRC_A S626_SET_CRA_INDXSRC_A(~0)
+#define S626_CRAMSK_CNTSRC_A S626_SET_CRA_CNTSRC_A(~0)
+
+/* Construct parts of the CRA value: */
+#define S626_SET_CRA_INDXSRC_B(x) \
+ S626_MAKE((x), S626_CRAWID_INDXSRC_B, S626_CRABIT_INDXSRC_B)
+#define S626_SET_CRA_CNTSRC_B(x) \
+ S626_MAKE((x), S626_CRAWID_CNTSRC_B, S626_CRABIT_CNTSRC_B)
+#define S626_SET_CRA_INDXPOL_A(x) \
+ S626_MAKE((x), S626_CRAWID_INDXPOL_A, S626_CRABIT_INDXPOL_A)
+#define S626_SET_CRA_LOADSRC_A(x) \
+ S626_MAKE((x), S626_CRAWID_LOADSRC_A, S626_CRABIT_LOADSRC_A)
+#define S626_SET_CRA_CLKMULT_A(x) \
+ S626_MAKE((x), S626_CRAWID_CLKMULT_A, S626_CRABIT_CLKMULT_A)
+#define S626_SET_CRA_INTSRC_A(x) \
+ S626_MAKE((x), S626_CRAWID_INTSRC_A, S626_CRABIT_INTSRC_A)
+#define S626_SET_CRA_CLKPOL_A(x) \
+ S626_MAKE((x), S626_CRAWID_CLKPOL_A, S626_CRABIT_CLKPOL_A)
+#define S626_SET_CRA_INDXSRC_A(x) \
+ S626_MAKE((x), S626_CRAWID_INDXSRC_A, S626_CRABIT_INDXSRC_A)
+#define S626_SET_CRA_CNTSRC_A(x) \
+ S626_MAKE((x), S626_CRAWID_CNTSRC_A, S626_CRABIT_CNTSRC_A)
+
+/* Extract parts of the CRA value: */
+#define S626_GET_CRA_INDXSRC_B(v) \
+ S626_UNMAKE((v), S626_CRAWID_INDXSRC_B, S626_CRABIT_INDXSRC_B)
+#define S626_GET_CRA_CNTSRC_B(v) \
+ S626_UNMAKE((v), S626_CRAWID_CNTSRC_B, S626_CRABIT_CNTSRC_B)
+#define S626_GET_CRA_INDXPOL_A(v) \
+ S626_UNMAKE((v), S626_CRAWID_INDXPOL_A, S626_CRABIT_INDXPOL_A)
+#define S626_GET_CRA_LOADSRC_A(v) \
+ S626_UNMAKE((v), S626_CRAWID_LOADSRC_A, S626_CRABIT_LOADSRC_A)
+#define S626_GET_CRA_CLKMULT_A(v) \
+ S626_UNMAKE((v), S626_CRAWID_CLKMULT_A, S626_CRABIT_CLKMULT_A)
+#define S626_GET_CRA_INTSRC_A(v) \
+ S626_UNMAKE((v), S626_CRAWID_INTSRC_A, S626_CRABIT_INTSRC_A)
+#define S626_GET_CRA_CLKPOL_A(v) \
+ S626_UNMAKE((v), S626_CRAWID_CLKPOL_A, S626_CRABIT_CLKPOL_A)
+#define S626_GET_CRA_INDXSRC_A(v) \
+ S626_UNMAKE((v), S626_CRAWID_INDXSRC_A, S626_CRABIT_INDXSRC_A)
+#define S626_GET_CRA_CNTSRC_A(v) \
+ S626_UNMAKE((v), S626_CRAWID_CNTSRC_A, S626_CRABIT_CNTSRC_A)
+
+/* Bit field positions in CRB: */
+#define S626_CRBBIT_INTRESETCMD 15 /* (w) Interrupt reset command. */
+#define S626_CRBBIT_CNTDIR_B 15 /* (r) B counter direction. */
+#define S626_CRBBIT_INTRESET_B 14 /* (w) B interrupt reset enable. */
+#define S626_CRBBIT_OVERDO_A 14 /* (r) A overflow routed to dig. out. */
+#define S626_CRBBIT_INTRESET_A 13 /* (w) A interrupt reset enable. */
+#define S626_CRBBIT_OVERDO_B 13 /* (r) B overflow routed to dig. out. */
+#define S626_CRBBIT_CLKENAB_A 12 /* A clock enable. */
+#define S626_CRBBIT_INTSRC_B 10 /* B interrupt source. */
+#define S626_CRBBIT_LATCHSRC 8 /* A/B latch source. */
+#define S626_CRBBIT_LOADSRC_B 6 /* B preload trigger. */
+#define S626_CRBBIT_CLEAR_B 7 /* B cleared when A overflows. */
+#define S626_CRBBIT_CLKMULT_B 3 /* B clock multiplier. */
+#define S626_CRBBIT_CLKENAB_B 2 /* B clock enable. */
+#define S626_CRBBIT_INDXPOL_B 1 /* B index polarity. */
+#define S626_CRBBIT_CLKPOL_B 0 /* B clock polarity. */
+
+/* Bit field widths in CRB: */
+#define S626_CRBWID_INTRESETCMD 1
+#define S626_CRBWID_CNTDIR_B 1
+#define S626_CRBWID_INTRESET_B 1
+#define S626_CRBWID_OVERDO_A 1
+#define S626_CRBWID_INTRESET_A 1
+#define S626_CRBWID_OVERDO_B 1
+#define S626_CRBWID_CLKENAB_A 1
+#define S626_CRBWID_INTSRC_B 2
+#define S626_CRBWID_LATCHSRC 2
+#define S626_CRBWID_LOADSRC_B 2
+#define S626_CRBWID_CLEAR_B 1
+#define S626_CRBWID_CLKMULT_B 2
+#define S626_CRBWID_CLKENAB_B 1
+#define S626_CRBWID_INDXPOL_B 1
+#define S626_CRBWID_CLKPOL_B 1
+
+/* Bit field masks for CRB: */
+#define S626_CRBMSK_INTRESETCMD S626_SET_CRB_INTRESETCMD(~0) /* (w) */
+#define S626_CRBMSK_CNTDIR_B S626_CRBMSK_INTRESETCMD /* (r) */
+#define S626_CRBMSK_INTRESET_B S626_SET_CRB_INTRESET_B(~0) /* (w) */
+#define S626_CRBMSK_OVERDO_A S626_CRBMSK_INTRESET_B /* (r) */
+#define S626_CRBMSK_INTRESET_A S626_SET_CRB_INTRESET_A(~0) /* (w) */
+#define S626_CRBMSK_OVERDO_B S626_CRBMSK_INTRESET_A /* (r) */
+#define S626_CRBMSK_CLKENAB_A S626_SET_CRB_CLKENAB_A(~0)
+#define S626_CRBMSK_INTSRC_B S626_SET_CRB_INTSRC_B(~0)
+#define S626_CRBMSK_LATCHSRC S626_SET_CRB_LATCHSRC(~0)
+#define S626_CRBMSK_LOADSRC_B S626_SET_CRB_LOADSRC_B(~0)
+#define S626_CRBMSK_CLEAR_B S626_SET_CRB_CLEAR_B(~0)
+#define S626_CRBMSK_CLKMULT_B S626_SET_CRB_CLKMULT_B(~0)
+#define S626_CRBMSK_CLKENAB_B S626_SET_CRB_CLKENAB_B(~0)
+#define S626_CRBMSK_INDXPOL_B S626_SET_CRB_INDXPOL_B(~0)
+#define S626_CRBMSK_CLKPOL_B S626_SET_CRB_CLKPOL_B(~0)
+
+/* Interrupt reset control bits. */
+#define S626_CRBMSK_INTCTRL (S626_CRBMSK_INTRESETCMD | \
+ S626_CRBMSK_INTRESET_A | \
+ S626_CRBMSK_INTRESET_B)
+
+/* Construct parts of the CRB value: */
+#define S626_SET_CRB_INTRESETCMD(x) \
+ S626_MAKE((x), S626_CRBWID_INTRESETCMD, S626_CRBBIT_INTRESETCMD)
+#define S626_SET_CRB_INTRESET_B(x) \
+ S626_MAKE((x), S626_CRBWID_INTRESET_B, S626_CRBBIT_INTRESET_B)
+#define S626_SET_CRB_INTRESET_A(x) \
+ S626_MAKE((x), S626_CRBWID_INTRESET_A, S626_CRBBIT_INTRESET_A)
+#define S626_SET_CRB_CLKENAB_A(x) \
+ S626_MAKE((x), S626_CRBWID_CLKENAB_A, S626_CRBBIT_CLKENAB_A)
+#define S626_SET_CRB_INTSRC_B(x) \
+ S626_MAKE((x), S626_CRBWID_INTSRC_B, S626_CRBBIT_INTSRC_B)
+#define S626_SET_CRB_LATCHSRC(x) \
+ S626_MAKE((x), S626_CRBWID_LATCHSRC, S626_CRBBIT_LATCHSRC)
+#define S626_SET_CRB_LOADSRC_B(x) \
+ S626_MAKE((x), S626_CRBWID_LOADSRC_B, S626_CRBBIT_LOADSRC_B)
+#define S626_SET_CRB_CLEAR_B(x) \
+ S626_MAKE((x), S626_CRBWID_CLEAR_B, S626_CRBBIT_CLEAR_B)
+#define S626_SET_CRB_CLKMULT_B(x) \
+ S626_MAKE((x), S626_CRBWID_CLKMULT_B, S626_CRBBIT_CLKMULT_B)
+#define S626_SET_CRB_CLKENAB_B(x) \
+ S626_MAKE((x), S626_CRBWID_CLKENAB_B, S626_CRBBIT_CLKENAB_B)
+#define S626_SET_CRB_INDXPOL_B(x) \
+ S626_MAKE((x), S626_CRBWID_INDXPOL_B, S626_CRBBIT_INDXPOL_B)
+#define S626_SET_CRB_CLKPOL_B(x) \
+ S626_MAKE((x), S626_CRBWID_CLKPOL_B, S626_CRBBIT_CLKPOL_B)
+
+/* Extract parts of the CRB value: */
+#define S626_GET_CRB_CNTDIR_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_CNTDIR_B, S626_CRBBIT_CNTDIR_B)
+#define S626_GET_CRB_OVERDO_A(v) \
+ S626_UNMAKE((v), S626_CRBWID_OVERDO_A, S626_CRBBIT_OVERDO_A)
+#define S626_GET_CRB_OVERDO_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_OVERDO_B, S626_CRBBIT_OVERDO_B)
+#define S626_GET_CRB_CLKENAB_A(v) \
+ S626_UNMAKE((v), S626_CRBWID_CLKENAB_A, S626_CRBBIT_CLKENAB_A)
+#define S626_GET_CRB_INTSRC_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_INTSRC_B, S626_CRBBIT_INTSRC_B)
+#define S626_GET_CRB_LATCHSRC(v) \
+ S626_UNMAKE((v), S626_CRBWID_LATCHSRC, S626_CRBBIT_LATCHSRC)
+#define S626_GET_CRB_LOADSRC_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_LOADSRC_B, S626_CRBBIT_LOADSRC_B)
+#define S626_GET_CRB_CLEAR_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_CLEAR_B, S626_CRBBIT_CLEAR_B)
+#define S626_GET_CRB_CLKMULT_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_CLKMULT_B, S626_CRBBIT_CLKMULT_B)
+#define S626_GET_CRB_CLKENAB_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_CLKENAB_B, S626_CRBBIT_CLKENAB_B)
+#define S626_GET_CRB_INDXPOL_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_INDXPOL_B, S626_CRBBIT_INDXPOL_B)
+#define S626_GET_CRB_CLKPOL_B(v) \
+ S626_UNMAKE((v), S626_CRBWID_CLKPOL_B, S626_CRBBIT_CLKPOL_B)
+
+/* Bit field positions for standardized SETUP structure: */
+#define S626_STDBIT_INTSRC 13
+#define S626_STDBIT_LATCHSRC 11
+#define S626_STDBIT_LOADSRC 9
+#define S626_STDBIT_INDXSRC 7
+#define S626_STDBIT_INDXPOL 6
+#define S626_STDBIT_ENCMODE 4
+#define S626_STDBIT_CLKPOL 3
+#define S626_STDBIT_CLKMULT 1
+#define S626_STDBIT_CLKENAB 0
+
+/* Bit field widths for standardized SETUP structure: */
+#define S626_STDWID_INTSRC 2
+#define S626_STDWID_LATCHSRC 2
+#define S626_STDWID_LOADSRC 2
+#define S626_STDWID_INDXSRC 2
+#define S626_STDWID_INDXPOL 1
+#define S626_STDWID_ENCMODE 2
+#define S626_STDWID_CLKPOL 1
+#define S626_STDWID_CLKMULT 2
+#define S626_STDWID_CLKENAB 1
+
+/* Bit field masks for standardized SETUP structure: */
+#define S626_STDMSK_INTSRC S626_SET_STD_INTSRC(~0)
+#define S626_STDMSK_LATCHSRC S626_SET_STD_LATCHSRC(~0)
+#define S626_STDMSK_LOADSRC S626_SET_STD_LOADSRC(~0)
+#define S626_STDMSK_INDXSRC S626_SET_STD_INDXSRC(~0)
+#define S626_STDMSK_INDXPOL S626_SET_STD_INDXPOL(~0)
+#define S626_STDMSK_ENCMODE S626_SET_STD_ENCMODE(~0)
+#define S626_STDMSK_CLKPOL S626_SET_STD_CLKPOL(~0)
+#define S626_STDMSK_CLKMULT S626_SET_STD_CLKMULT(~0)
+#define S626_STDMSK_CLKENAB S626_SET_STD_CLKENAB(~0)
+
+/* Construct parts of standardized SETUP structure: */
+#define S626_SET_STD_INTSRC(x) \
+ S626_MAKE((x), S626_STDWID_INTSRC, S626_STDBIT_INTSRC)
+#define S626_SET_STD_LATCHSRC(x) \
+ S626_MAKE((x), S626_STDWID_LATCHSRC, S626_STDBIT_LATCHSRC)
+#define S626_SET_STD_LOADSRC(x) \
+ S626_MAKE((x), S626_STDWID_LOADSRC, S626_STDBIT_LOADSRC)
+#define S626_SET_STD_INDXSRC(x) \
+ S626_MAKE((x), S626_STDWID_INDXSRC, S626_STDBIT_INDXSRC)
+#define S626_SET_STD_INDXPOL(x) \
+ S626_MAKE((x), S626_STDWID_INDXPOL, S626_STDBIT_INDXPOL)
+#define S626_SET_STD_ENCMODE(x) \
+ S626_MAKE((x), S626_STDWID_ENCMODE, S626_STDBIT_ENCMODE)
+#define S626_SET_STD_CLKPOL(x) \
+ S626_MAKE((x), S626_STDWID_CLKPOL, S626_STDBIT_CLKPOL)
+#define S626_SET_STD_CLKMULT(x) \
+ S626_MAKE((x), S626_STDWID_CLKMULT, S626_STDBIT_CLKMULT)
+#define S626_SET_STD_CLKENAB(x) \
+ S626_MAKE((x), S626_STDWID_CLKENAB, S626_STDBIT_CLKENAB)
+
+/* Extract parts of standardized SETUP structure: */
+#define S626_GET_STD_INTSRC(v) \
+ S626_UNMAKE((v), S626_STDWID_INTSRC, S626_STDBIT_INTSRC)
+#define S626_GET_STD_LATCHSRC(v) \
+ S626_UNMAKE((v), S626_STDWID_LATCHSRC, S626_STDBIT_LATCHSRC)
+#define S626_GET_STD_LOADSRC(v) \
+ S626_UNMAKE((v), S626_STDWID_LOADSRC, S626_STDBIT_LOADSRC)
+#define S626_GET_STD_INDXSRC(v) \
+ S626_UNMAKE((v), S626_STDWID_INDXSRC, S626_STDBIT_INDXSRC)
+#define S626_GET_STD_INDXPOL(v) \
+ S626_UNMAKE((v), S626_STDWID_INDXPOL, S626_STDBIT_INDXPOL)
+#define S626_GET_STD_ENCMODE(v) \
+ S626_UNMAKE((v), S626_STDWID_ENCMODE, S626_STDBIT_ENCMODE)
+#define S626_GET_STD_CLKPOL(v) \
+ S626_UNMAKE((v), S626_STDWID_CLKPOL, S626_STDBIT_CLKPOL)
+#define S626_GET_STD_CLKMULT(v) \
+ S626_UNMAKE((v), S626_STDWID_CLKMULT, S626_STDBIT_CLKMULT)
+#define S626_GET_STD_CLKENAB(v) \
+ S626_UNMAKE((v), S626_STDWID_CLKENAB, S626_STDBIT_CLKENAB)
+
+#endif
Code Review / kvmfornfv.git / blobdiff