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/*-
* Device driver optimized for the Symbios/LSI 53C896/53C895A/53C1010
* PCI-SCSI controllers.
*
* Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
*
* This driver also supports the following Symbios/LSI PCI-SCSI chips:
* 53C810A, 53C825A, 53C860, 53C875, 53C876, 53C885, 53C895,
* 53C810, 53C815, 53C825 and the 53C1510D is 53C8XX mode.
*
*
* This driver for FreeBSD-CAM is derived from the Linux sym53c8xx driver.
* Copyright (C) 1998-1999 Gerard Roudier
*
* The sym53c8xx driver is derived from the ncr53c8xx driver that had been
* a port of the FreeBSD ncr driver to Linux-1.2.13.
*
* The original ncr driver has been written for 386bsd and FreeBSD by
* Wolfgang Stanglmeier <wolf@cologne.de>
* Stefan Esser <se@mi.Uni-Koeln.de>
* Copyright (C) 1994 Wolfgang Stanglmeier
*
* The initialisation code, and part of the code that addresses
* FreeBSD-CAM services is based on the aic7xxx driver for FreeBSD-CAM
* written by Justin T. Gibbs.
*
* Other major contributions:
*
* NVRAM detection and reading.
* Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk>
*
*-----------------------------------------------------------------------------
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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.
*/
/* $FreeBSD: release/9.1.0/sys/dev/sym/sym_defs.h 179029 2008-05-15 20:27:18Z marius $ */
#ifndef SYM_DEFS_H
#define SYM_DEFS_H
/*
* Vendor.
*/
#define PCI_VENDOR_NCR 0x1000
/*
* PCI device identifier of SYMBIOS chips.
*/
#define PCI_ID_SYM53C810 1
#define PCI_ID_SYM53C810AP 5
#define PCI_ID_SYM53C815 4
#define PCI_ID_SYM53C820 2
#define PCI_ID_SYM53C825 3
#define PCI_ID_SYM53C860 6
#define PCI_ID_SYM53C875 0xf
#define PCI_ID_SYM53C875_2 0x8f
#define PCI_ID_SYM53C885 0xd
#define PCI_ID_SYM53C895 0xc
#define PCI_ID_SYM53C896 0xb
#define PCI_ID_SYM53C895A 0x12
#define PCI_ID_LSI53C1010 0x20
#define PCI_ID_LSI53C1010_2 0x21
#define PCI_ID_LSI53C1510D 0xa
/*
* SYM53C8XX device features descriptor.
*/
struct sym_pci_chip {
u_short device_id;
unsigned short revision_id;
const char *name;
u_char burst_max; /* log-base-2 of max burst */
u_char offset_max;
u_char nr_divisor;
u_char lp_probe_bit;
u_int features;
#define FE_LED0 (1<<0)
#define FE_WIDE (1<<1) /* Wide data transfers */
#define FE_ULTRA (1<<2) /* Ultra speed 20Mtrans/sec */
#define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */
#define FE_DBLR (1<<4) /* Clock doubler present */
#define FE_QUAD (1<<5) /* Clock quadrupler present */
#define FE_ERL (1<<6) /* Enable read line */
#define FE_CLSE (1<<7) /* Cache line size enable */
#define FE_WRIE (1<<8) /* Write & Invalidate enable */
#define FE_ERMP (1<<9) /* Enable read multiple */
#define FE_BOF (1<<10) /* Burst opcode fetch */
#define FE_DFS (1<<11) /* DMA fifo size */
#define FE_PFEN (1<<12) /* Prefetch enable */
#define FE_LDSTR (1<<13) /* Load/Store supported */
#define FE_RAM (1<<14) /* On chip RAM present */
#define FE_CLK80 (1<<15) /* Board clock is 80 MHz */
#define FE_RAM8K (1<<16) /* On chip RAM sized 8Kb */
#define FE_64BIT (1<<17) /* 64-bit PCI BUS interface */
#define FE_IO256 (1<<18) /* Requires full 256 bytes in PCI space */
#define FE_NOPM (1<<19) /* Scripts handles phase mismatch */
#define FE_LEDC (1<<20) /* Hardware control of LED */
#define FE_ULTRA3 (1<<21) /* Ultra 3 - 80 Mtrans/sec DT */
#define FE_66MHZ (1<<22) /* 66MHz PCI support */
#define FE_CRC (1<<23) /* CRC support */
#define FE_DIFF (1<<24) /* SCSI HVD support */
#define FE_DFBC (1<<25) /* Have DFBC register */
#define FE_LCKFRQ (1<<26) /* Have LCKFRQ */
#define FE_C10 (1<<27) /* Various C10 core (mis)features */
#define FE_U3EN (1<<28) /* U3EN bit usable */
#define FE_DAC (1<<29) /* Support PCI DAC (64 bit addressing) */
#define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP)
#define FE_CACHE0_SET (FE_CACHE_SET & ~FE_ERL)
#define FE_SPECIAL_SET (FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|FE_RAM)
};
/*
* Symbios NVRAM data format
*/
#define SYMBIOS_NVRAM_SIZE 368
#define SYMBIOS_NVRAM_ADDRESS 0x100
struct Symbios_nvram {
/* Header 6 bytes */
u_short type; /* 0x0000 */
u_short byte_count; /* excluding header/trailer */
u_short checksum;
/* Controller set up 20 bytes */
u_char v_major; /* 0x00 */
u_char v_minor; /* 0x30 */
u32 boot_crc;
u_short flags;
#define SYMBIOS_SCAM_ENABLE (1)
#define SYMBIOS_PARITY_ENABLE (1<<1)
#define SYMBIOS_VERBOSE_MSGS (1<<2)
#define SYMBIOS_CHS_MAPPING (1<<3)
#define SYMBIOS_NO_NVRAM (1<<3) /* ??? */
u_short flags1;
#define SYMBIOS_SCAN_HI_LO (1)
u_short term_state;
#define SYMBIOS_TERM_CANT_PROGRAM (0)
#define SYMBIOS_TERM_ENABLED (1)
#define SYMBIOS_TERM_DISABLED (2)
u_short rmvbl_flags;
#define SYMBIOS_RMVBL_NO_SUPPORT (0)
#define SYMBIOS_RMVBL_BOOT_DEVICE (1)
#define SYMBIOS_RMVBL_MEDIA_INSTALLED (2)
u_char host_id;
u_char num_hba; /* 0x04 */
u_char num_devices; /* 0x10 */
u_char max_scam_devices; /* 0x04 */
u_char num_valid_scam_devices; /* 0x00 */
u_char flags2;
#define SYMBIOS_AVOID_BUS_RESET (1<<2)
/* Boot order 14 bytes * 4 */
struct Symbios_host{
u_short type; /* 4:8xx / 0:nok */
u_short device_id; /* PCI device id */
u_short vendor_id; /* PCI vendor id */
u_char bus_nr; /* PCI bus number */
u_char device_fn; /* PCI device/function number << 3*/
u_short word8;
u_short flags;
#define SYMBIOS_INIT_SCAN_AT_BOOT (1)
u_short io_port; /* PCI io_port address */
} host[4];
/* Targets 8 bytes * 16 */
struct Symbios_target {
u_char flags;
#define SYMBIOS_DISCONNECT_ENABLE (1)
#define SYMBIOS_SCAN_AT_BOOT_TIME (1<<1)
#define SYMBIOS_SCAN_LUNS (1<<2)
#define SYMBIOS_QUEUE_TAGS_ENABLED (1<<3)
u_char rsvd;
u_char bus_width; /* 0x08/0x10 */
u_char sync_offset;
u_short sync_period; /* 4*period factor */
u_short timeout;
} target[16];
/* Scam table 8 bytes * 4 */
struct Symbios_scam {
u_short id;
u_short method;
#define SYMBIOS_SCAM_DEFAULT_METHOD (0)
#define SYMBIOS_SCAM_DONT_ASSIGN (1)
#define SYMBIOS_SCAM_SET_SPECIFIC_ID (2)
#define SYMBIOS_SCAM_USE_ORDER_GIVEN (3)
u_short status;
#define SYMBIOS_SCAM_UNKNOWN (0)
#define SYMBIOS_SCAM_DEVICE_NOT_FOUND (1)
#define SYMBIOS_SCAM_ID_NOT_SET (2)
#define SYMBIOS_SCAM_ID_VALID (3)
u_char target_id;
u_char rsvd;
} scam[4];
u_char spare_devices[15*8];
u_char trailer[6]; /* 0xfe 0xfe 0x00 0x00 0x00 0x00 */
};
typedef struct Symbios_nvram Symbios_nvram;
typedef struct Symbios_host Symbios_host;
typedef struct Symbios_target Symbios_target;
typedef struct Symbios_scam Symbios_scam;
/*
* Tekram NvRAM data format.
*/
#define TEKRAM_NVRAM_SIZE 64
#define TEKRAM_93C46_NVRAM_ADDRESS 0
#define TEKRAM_24C16_NVRAM_ADDRESS 0x40
struct Tekram_nvram {
struct Tekram_target {
u_char flags;
#define TEKRAM_PARITY_CHECK (1)
#define TEKRAM_SYNC_NEGO (1<<1)
#define TEKRAM_DISCONNECT_ENABLE (1<<2)
#define TEKRAM_START_CMD (1<<3)
#define TEKRAM_TAGGED_COMMANDS (1<<4)
#define TEKRAM_WIDE_NEGO (1<<5)
u_char sync_index;
u_short word2;
} target[16];
u_char host_id;
u_char flags;
#define TEKRAM_MORE_THAN_2_DRIVES (1)
#define TEKRAM_DRIVES_SUP_1GB (1<<1)
#define TEKRAM_RESET_ON_POWER_ON (1<<2)
#define TEKRAM_ACTIVE_NEGATION (1<<3)
#define TEKRAM_IMMEDIATE_SEEK (1<<4)
#define TEKRAM_SCAN_LUNS (1<<5)
#define TEKRAM_REMOVABLE_FLAGS (3<<6) /* 0: disable; 1: boot device; 2:all */
u_char boot_delay_index;
u_char max_tags_index;
u_short flags1;
#define TEKRAM_F2_F6_ENABLED (1)
u_short spare[29];
};
typedef struct Tekram_nvram Tekram_nvram;
typedef struct Tekram_target Tekram_target;
/*
* SYM53C8XX IO register data structure.
*/
struct sym_reg {
/*00*/ u8 nc_scntl0; /* full arb., ena parity, par->ATN */
/*01*/ u8 nc_scntl1; /* no reset */
#define ISCON 0x10 /* connected to scsi */
#define CRST 0x08 /* force reset */
#define IARB 0x02 /* immediate arbitration */
/*02*/ u8 nc_scntl2; /* no disconnect expected */
#define SDU 0x80 /* cmd: disconnect will raise error */
#define CHM 0x40 /* sta: chained mode */
#define WSS 0x08 /* sta: wide scsi send [W]*/
#define WSR 0x01 /* sta: wide scsi received [W]*/
/*03*/ u8 nc_scntl3; /* cnf system clock dependent */
#define EWS 0x08 /* cmd: enable wide scsi [W]*/
#define ULTRA 0x80 /* cmd: ULTRA enable */
/* bits 0-2, 7 rsvd for C1010 */
/*04*/ u8 nc_scid; /* cnf host adapter scsi address */
#define RRE 0x40 /* r/w:e enable response to resel. */
#define SRE 0x20 /* r/w:e enable response to select */
/*05*/ u8 nc_sxfer; /* ### Sync speed and count */
/* bits 6-7 rsvd for C1010 */
/*06*/ u8 nc_sdid; /* ### Destination-ID */
/*07*/ u8 nc_gpreg; /* ??? IO-Pins */
/*08*/ u8 nc_sfbr; /* ### First byte received */
/*09*/ u8 nc_socl;
#define CREQ 0x80 /* r/w: SCSI-REQ */
#define CACK 0x40 /* r/w: SCSI-ACK */
#define CBSY 0x20 /* r/w: SCSI-BSY */
#define CSEL 0x10 /* r/w: SCSI-SEL */
#define CATN 0x08 /* r/w: SCSI-ATN */
#define CMSG 0x04 /* r/w: SCSI-MSG */
#define CC_D 0x02 /* r/w: SCSI-C_D */
#define CI_O 0x01 /* r/w: SCSI-I_O */
/*0a*/ u8 nc_ssid;
/*0b*/ u8 nc_sbcl;
/*0c*/ u8 nc_dstat;
#define DFE 0x80 /* sta: dma fifo empty */
#define MDPE 0x40 /* int: master data parity error */
#define BF 0x20 /* int: script: bus fault */
#define ABRT 0x10 /* int: script: command aborted */
#define SSI 0x08 /* int: script: single step */
#define SIR 0x04 /* int: script: interrupt instruct. */
#define IID 0x01 /* int: script: illegal instruct. */
/*0d*/ u8 nc_sstat0;
#define ILF 0x80 /* sta: data in SIDL register lsb */
#define ORF 0x40 /* sta: data in SODR register lsb */
#define OLF 0x20 /* sta: data in SODL register lsb */
#define AIP 0x10 /* sta: arbitration in progress */
#define LOA 0x08 /* sta: arbitration lost */
#define WOA 0x04 /* sta: arbitration won */
#define IRST 0x02 /* sta: scsi reset signal */
#define SDP 0x01 /* sta: scsi parity signal */
/*0e*/ u8 nc_sstat1;
#define FF3210 0xf0 /* sta: bytes in the scsi fifo */
/*0f*/ u8 nc_sstat2;
#define ILF1 0x80 /* sta: data in SIDL register msb[W]*/
#define ORF1 0x40 /* sta: data in SODR register msb[W]*/
#define OLF1 0x20 /* sta: data in SODL register msb[W]*/
#define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */
#define LDSC 0x02 /* sta: disconnect & reconnect */
/*10*/ u8 nc_dsa; /* --> Base page */
/*11*/ u8 nc_dsa1;
/*12*/ u8 nc_dsa2;
/*13*/ u8 nc_dsa3;
/*14*/ u8 nc_istat; /* --> Main Command and status */
#define CABRT 0x80 /* cmd: abort current operation */
#define SRST 0x40 /* mod: reset chip */
#define SIGP 0x20 /* r/w: message from host to script */
#define SEM 0x10 /* r/w: message between host + script */
#define CON 0x08 /* sta: connected to scsi */
#define INTF 0x04 /* sta: int on the fly (reset by wr)*/
#define SIP 0x02 /* sta: scsi-interrupt */
#define DIP 0x01 /* sta: host/script interrupt */
/*15*/ u8 nc_istat1; /* 896 only */
/*16*/ u8 nc_mbox0; /* 896 only */
/*17*/ u8 nc_mbox1; /* 896 only */
/*18*/ u8 nc_ctest0;
/*19*/ u8 nc_ctest1;
/*1a*/ u8 nc_ctest2;
#define CSIGP 0x40
/* bits 0-2,7 rsvd for C1010 */
/*1b*/ u8 nc_ctest3;
#define FLF 0x08 /* cmd: flush dma fifo */
#define CLF 0x04 /* cmd: clear dma fifo */
#define FM 0x02 /* mod: fetch pin mode */
#define WRIE 0x01 /* mod: write and invalidate enable */
/* bits 4-7 rsvd for C1010 */
/*1c*/ u32 nc_temp; /* ### Temporary stack */
/*20*/ u8 nc_dfifo;
/*21*/ u8 nc_ctest4;
#define BDIS 0x80 /* mod: burst disable */
#define MPEE 0x08 /* mod: master parity error enable */
/*22*/ u8 nc_ctest5;
#define DFS 0x20 /* mod: dma fifo size */
/* bits 0-1, 3-7 rsvd for C1010 */
/*23*/ u8 nc_ctest6;
/*24*/ u32 nc_dbc; /* ### Byte count and command */
/*28*/ u32 nc_dnad; /* ### Next command register */
/*2c*/ u32 nc_dsp; /* --> Script Pointer */
/*30*/ u32 nc_dsps; /* --> Script pointer save/opcode#2 */
/*34*/ u8 nc_scratcha; /* Temporary register a */
/*35*/ u8 nc_scratcha1;
/*36*/ u8 nc_scratcha2;
/*37*/ u8 nc_scratcha3;
/*38*/ u8 nc_dmode;
#define BL_2 0x80 /* mod: burst length shift value +2 */
#define BL_1 0x40 /* mod: burst length shift value +1 */
#define ERL 0x08 /* mod: enable read line */
#define ERMP 0x04 /* mod: enable read multiple */
#define BOF 0x02 /* mod: burst op code fetch */
/*39*/ u8 nc_dien;
/*3a*/ u8 nc_sbr;
/*3b*/ u8 nc_dcntl; /* --> Script execution control */
#define CLSE 0x80 /* mod: cache line size enable */
#define PFF 0x40 /* cmd: pre-fetch flush */
#define PFEN 0x20 /* mod: pre-fetch enable */
#define SSM 0x10 /* mod: single step mode */
#define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */
#define STD 0x04 /* cmd: start dma mode */
#define IRQD 0x02 /* mod: irq disable */
#define NOCOM 0x01 /* cmd: protect sfbr while reselect */
/* bits 0-1 rsvd for C1010 */
/*3c*/ u32 nc_adder;
/*40*/ u16 nc_sien; /* -->: interrupt enable */
/*42*/ u16 nc_sist; /* <--: interrupt status */
#define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */
#define STO 0x0400/* sta: timeout (select) */
#define GEN 0x0200/* sta: timeout (general) */
#define HTH 0x0100/* sta: timeout (handshake) */
#define MA 0x80 /* sta: phase mismatch */
#define CMP 0x40 /* sta: arbitration complete */
#define SEL 0x20 /* sta: selected by another device */
#define RSL 0x10 /* sta: reselected by another device*/
#define SGE 0x08 /* sta: gross error (over/underflow)*/
#define UDC 0x04 /* sta: unexpected disconnect */
#define RST 0x02 /* sta: scsi bus reset detected */
#define PAR 0x01 /* sta: scsi parity error */
/*44*/ u8 nc_slpar;
/*45*/ u8 nc_swide;
/*46*/ u8 nc_macntl;
/*47*/ u8 nc_gpcntl;
/*48*/ u8 nc_stime0; /* cmd: timeout for select&handshake*/
/*49*/ u8 nc_stime1; /* cmd: timeout user defined */
/*4a*/ u16 nc_respid; /* sta: Reselect-IDs */
/*4c*/ u8 nc_stest0;
/*4d*/ u8 nc_stest1;
#define SCLK 0x80 /* Use the PCI clock as SCSI clock */
#define DBLEN 0x08 /* clock doubler running */
#define DBLSEL 0x04 /* clock doubler selected */
/*4e*/ u8 nc_stest2;
#define ROF 0x40 /* reset scsi offset (after gross error!) */
#define EXT 0x02 /* extended filtering */
/*4f*/ u8 nc_stest3;
#define TE 0x80 /* c: tolerAnt enable */
#define HSC 0x20 /* c: Halt SCSI Clock */
#define CSF 0x02 /* c: clear scsi fifo */
/*50*/ u16 nc_sidl; /* Lowlevel: latched from scsi data */
/*52*/ u8 nc_stest4;
#define SMODE 0xc0 /* SCSI bus mode (895/6 only) */
#define SMODE_HVD 0x40 /* High Voltage Differential */
#define SMODE_SE 0x80 /* Single Ended */
#define SMODE_LVD 0xc0 /* Low Voltage Differential */
#define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */
/* bits 0-5 rsvd for C1010 */
/*53*/ u8 nc_53_;
/*54*/ u16 nc_sodl; /* Lowlevel: data out to scsi data */
/*56*/ u8 nc_ccntl0; /* Chip Control 0 (896) */
#define ENPMJ 0x80 /* Enable Phase Mismatch Jump */
#define PMJCTL 0x40 /* Phase Mismatch Jump Control */
#define ENNDJ 0x20 /* Enable Non Data PM Jump */
#define DISFC 0x10 /* Disable Auto FIFO Clear */
#define DILS 0x02 /* Disable Internal Load/Store */
#define DPR 0x01 /* Disable Pipe Req */
/*57*/ u8 nc_ccntl1; /* Chip Control 1 (896) */
#define ZMOD 0x80 /* High Impedance Mode */
#define DDAC 0x08 /* Disable Dual Address Cycle */
#define XTIMOD 0x04 /* 64-bit Table Ind. Indexing Mode */
#define EXTIBMV 0x02 /* Enable 64-bit Table Ind. BMOV */
#define EXDBMV 0x01 /* Enable 64-bit Direct BMOV */
/*58*/ u16 nc_sbdl; /* Lowlevel: data from scsi data */
/*5a*/ u16 nc_5a_;
/*5c*/ u8 nc_scr0; /* Working register B */
/*5d*/ u8 nc_scr1;
/*5e*/ u8 nc_scr2;
/*5f*/ u8 nc_scr3;
/*60*/ u8 nc_scrx[64]; /* Working register C-R */
/*a0*/ u32 nc_mmrs; /* Memory Move Read Selector */
/*a4*/ u32 nc_mmws; /* Memory Move Write Selector */
/*a8*/ u32 nc_sfs; /* Script Fetch Selector */
/*ac*/ u32 nc_drs; /* DSA Relative Selector */
/*b0*/ u32 nc_sbms; /* Static Block Move Selector */
/*b4*/ u32 nc_dbms; /* Dynamic Block Move Selector */
/*b8*/ u32 nc_dnad64; /* DMA Next Address 64 */
/*bc*/ u16 nc_scntl4; /* C1010 only */
#define U3EN 0x80 /* Enable Ultra 3 */
#define AIPCKEN 0x40 /* AIP checking enable */
/* Also enable AIP generation on C10-33*/
#define XCLKH_DT 0x08 /* Extra clock of data hold on DT edge */
#define XCLKH_ST 0x04 /* Extra clock of data hold on ST edge */
#define XCLKS_DT 0x02 /* Extra clock of data set on DT edge */
#define XCLKS_ST 0x01 /* Extra clock of data set on ST edge */
/*be*/ u8 nc_aipcntl0; /* AIP Control 0 C1010 only */
/*bf*/ u8 nc_aipcntl1; /* AIP Control 1 C1010 only */
#define DISAIP 0x08 /* Disable AIP generation C10-66 only */
/*c0*/ u32 nc_pmjad1; /* Phase Mismatch Jump Address 1 */
/*c4*/ u32 nc_pmjad2; /* Phase Mismatch Jump Address 2 */
/*c8*/ u8 nc_rbc; /* Remaining Byte Count */
/*c9*/ u8 nc_rbc1;
/*ca*/ u8 nc_rbc2;
/*cb*/ u8 nc_rbc3;
/*cc*/ u8 nc_ua; /* Updated Address */
/*cd*/ u8 nc_ua1;
/*ce*/ u8 nc_ua2;
/*cf*/ u8 nc_ua3;
/*d0*/ u32 nc_esa; /* Entry Storage Address */
/*d4*/ u8 nc_ia; /* Instruction Address */
/*d5*/ u8 nc_ia1;
/*d6*/ u8 nc_ia2;
/*d7*/ u8 nc_ia3;
/*d8*/ u32 nc_sbc; /* SCSI Byte Count (3 bytes only) */
/*dc*/ u32 nc_csbc; /* Cumulative SCSI Byte Count */
/* Following for C1010 only */
/*e0*/ u16 nc_crcpad; /* CRC Value */
/*e2*/ u8 nc_crccntl0; /* CRC control register */
#define SNDCRC 0x10 /* Send CRC Request */
/*e3*/ u8 nc_crccntl1; /* CRC control register */
/*e4*/ u32 nc_crcdata; /* CRC data register */
/*e8*/ u32 nc_e8_;
/*ec*/ u32 nc_ec_;
/*f0*/ u16 nc_dfbc; /* DMA FIFO byte count */
};
/*-----------------------------------------------------------
*
* Utility macros for the script.
*
*-----------------------------------------------------------
*/
#define REGJ(p,r) (offsetof(struct sym_reg, p ## r))
#define REG(r) REGJ (nc_, r)
typedef u32 symcmd;
/*-----------------------------------------------------------
*
* SCSI phases
*
*-----------------------------------------------------------
*/
#define SCR_DATA_OUT 0x00000000
#define SCR_DATA_IN 0x01000000
#define SCR_COMMAND 0x02000000
#define SCR_STATUS 0x03000000
#define SCR_DT_DATA_OUT 0x04000000
#define SCR_DT_DATA_IN 0x05000000
#define SCR_MSG_OUT 0x06000000
#define SCR_MSG_IN 0x07000000
/* DT phases are illegal for non Ultra3 mode */
#define SCR_ILG_OUT 0x04000000
#define SCR_ILG_IN 0x05000000
/*-----------------------------------------------------------
*
* Data transfer via SCSI.
*
*-----------------------------------------------------------
*
* MOVE_ABS (LEN)
* <<start address>>
*
* MOVE_IND (LEN)
* <<dnad_offset>>
*
* MOVE_TBL
* <<dnad_offset>>
*
*-----------------------------------------------------------
*/
#define OPC_MOVE 0x08000000
#define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l))
#define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l))
#define SCR_MOVE_TBL (0x10000000 | OPC_MOVE)
#define SCR_CHMOV_ABS(l) ((0x00000000) | (l))
#define SCR_CHMOV_IND(l) ((0x20000000) | (l))
#define SCR_CHMOV_TBL (0x10000000)
struct sym_tblmove {
u32 size;
u32 addr;
};
/*-----------------------------------------------------------
*
* Selection
*
*-----------------------------------------------------------
*
* SEL_ABS | SCR_ID (0..15) [ | REL_JMP]
* <<alternate_address>>
*
* SEL_TBL | << dnad_offset>> [ | REL_JMP]
* <<alternate_address>>
*
*-----------------------------------------------------------
*/
#define SCR_SEL_ABS 0x40000000
#define SCR_SEL_ABS_ATN 0x41000000
#define SCR_SEL_TBL 0x42000000
#define SCR_SEL_TBL_ATN 0x43000000
struct sym_tblsel {
u_char sel_scntl4; /* C1010 only */
u_char sel_sxfer;
u_char sel_id;
u_char sel_scntl3;
};
#define SCR_JMP_REL 0x04000000
#define SCR_ID(id) (((u32)(id)) << 16)
/*-----------------------------------------------------------
*
* Waiting for Disconnect or Reselect
*
*-----------------------------------------------------------
*
* WAIT_DISC
* dummy: <<alternate_address>>
*
* WAIT_RESEL
* <<alternate_address>>
*
*-----------------------------------------------------------
*/
#define SCR_WAIT_DISC 0x48000000
#define SCR_WAIT_RESEL 0x50000000
/*-----------------------------------------------------------
*
* Bit Set / Reset
*
*-----------------------------------------------------------
*
* SET (flags {|.. })
*
* CLR (flags {|.. })
*
*-----------------------------------------------------------
*/
#define SCR_SET(f) (0x58000000 | (f))
#define SCR_CLR(f) (0x60000000 | (f))
#define SCR_CARRY 0x00000400
#define SCR_TRG 0x00000200
#define SCR_ACK 0x00000040
#define SCR_ATN 0x00000008
/*-----------------------------------------------------------
*
* Memory to memory move
*
*-----------------------------------------------------------
*
* COPY (bytecount)
* << source_address >>
* << destination_address >>
*
* SCR_COPY sets the NO FLUSH option by default.
* SCR_COPY_F does not set this option.
*
* For chips which do not support this option,
* sym_copy_and_bind() will remove this bit.
*
*-----------------------------------------------------------
*/
#define SCR_NO_FLUSH 0x01000000
#define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
#define SCR_COPY_F(n) (0xc0000000 | (n))
/*-----------------------------------------------------------
*
* Register move and binary operations
*
*-----------------------------------------------------------
*
* SFBR_REG (reg, op, data) reg = SFBR op data
* << 0 >>
*
* REG_SFBR (reg, op, data) SFBR = reg op data
* << 0 >>
*
* REG_REG (reg, op, data) reg = reg op data
* << 0 >>
*
*-----------------------------------------------------------
*
* On 825A, 875, 895 and 896 chips the content
* of SFBR register can be used as data (SCR_SFBR_DATA).
* The 896 has additionnal IO registers starting at
* offset 0x80. Bit 7 of register offset is stored in
* bit 7 of the SCRIPTS instruction first DWORD.
*
*-----------------------------------------------------------
*/
#define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80))
#define SCR_SFBR_REG(reg,op,data) \
(0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
#define SCR_REG_SFBR(reg,op,data) \
(0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
#define SCR_REG_REG(reg,op,data) \
(0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul))
#define SCR_LOAD 0x00000000
#define SCR_SHL 0x01000000
#define SCR_OR 0x02000000
#define SCR_XOR 0x03000000
#define SCR_AND 0x04000000
#define SCR_SHR 0x05000000
#define SCR_ADD 0x06000000
#define SCR_ADDC 0x07000000
#define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */
/*-----------------------------------------------------------
*
* FROM_REG (reg) SFBR = reg
* << 0 >>
*
* TO_REG (reg) reg = SFBR
* << 0 >>
*
* LOAD_REG (reg, data) reg = <data>
* << 0 >>
*
* LOAD_SFBR(data) SFBR = <data>
* << 0 >>
*
*-----------------------------------------------------------
*/
#define SCR_FROM_REG(reg) \
SCR_REG_SFBR(reg,SCR_OR,0)
#define SCR_TO_REG(reg) \
SCR_SFBR_REG(reg,SCR_OR,0)
#define SCR_LOAD_REG(reg,data) \
SCR_REG_REG(reg,SCR_LOAD,data)
#define SCR_LOAD_SFBR(data) \
(SCR_REG_SFBR (gpreg, SCR_LOAD, data))
/*-----------------------------------------------------------
*
* LOAD from memory to register.
* STORE from register to memory.
*
* Only supported by 810A, 860, 825A, 875, 895 and 896.
*
*-----------------------------------------------------------
*
* LOAD_ABS (LEN)
* <<start address>>
*
* LOAD_REL (LEN) (DSA relative)
* <<dsa_offset>>
*
*-----------------------------------------------------------
*/
#define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul)
#define SCR_NO_FLUSH2 0x02000000
#define SCR_DSA_REL2 0x10000000
#define SCR_LOAD_R(reg, how, n) \
(0xe1000000 | (how) | (SCR_REG_OFS2(REG(reg))) | (n))
#define SCR_STORE_R(reg, how, n) \
(0xe0000000 | (how) | (SCR_REG_OFS2(REG(reg))) | (n))
#define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n)
#define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n)
#define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n)
#define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n)
#define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n)
#define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n)
#define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n)
#define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n)
/*-----------------------------------------------------------
*
* Waiting for Disconnect or Reselect
*
*-----------------------------------------------------------
*
* JUMP [ | IFTRUE/IFFALSE ( ... ) ]
* <<address>>
*
* JUMPR [ | IFTRUE/IFFALSE ( ... ) ]
* <<distance>>
*
* CALL [ | IFTRUE/IFFALSE ( ... ) ]
* <<address>>
*
* CALLR [ | IFTRUE/IFFALSE ( ... ) ]
* <<distance>>
*
* RETURN [ | IFTRUE/IFFALSE ( ... ) ]
* <<dummy>>
*
* INT [ | IFTRUE/IFFALSE ( ... ) ]
* <<ident>>
*
* INT_FLY [ | IFTRUE/IFFALSE ( ... ) ]
* <<ident>>
*
* Conditions:
* WHEN (phase)
* IF (phase)
* CARRYSET
* DATA (data, mask)
*
*-----------------------------------------------------------
*/
#define SCR_NO_OP 0x80000000
#define SCR_JUMP 0x80080000
#define SCR_JUMP64 0x80480000
#define SCR_JUMPR 0x80880000
#define SCR_CALL 0x88080000
#define SCR_CALLR 0x88880000
#define SCR_RETURN 0x90080000
#define SCR_INT 0x98080000
#define SCR_INT_FLY 0x98180000
#define IFFALSE(arg) (0x00080000 | (arg))
#define IFTRUE(arg) (0x00000000 | (arg))
#define WHEN(phase) (0x00030000 | (phase))
#define IF(phase) (0x00020000 | (phase))
#define DATA(D) (0x00040000 | ((D) & 0xff))
#define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff))
#define CARRYSET (0x00200000)
/*-----------------------------------------------------------
*
* SCSI constants.
*
*-----------------------------------------------------------
*/
/*
* Messages
*/
#define M_COMPLETE (0x00)
#define M_EXTENDED (0x01)
#define M_SAVE_DP (0x02)
#define M_RESTORE_DP (0x03)
#define M_DISCONNECT (0x04)
#define M_ID_ERROR (0x05)
#define M_ABORT (0x06)
#define M_REJECT (0x07)
#define M_NOOP (0x08)
#define M_PARITY (0x09)
#define M_LCOMPLETE (0x0a)
#define M_FCOMPLETE (0x0b)
#define M_RESET (0x0c)
#define M_ABORT_TAG (0x0d)
#define M_CLEAR_QUEUE (0x0e)
#define M_INIT_REC (0x0f)
#define M_REL_REC (0x10)
#define M_TERMINATE (0x11)
#define M_SIMPLE_TAG (0x20)
#define M_HEAD_TAG (0x21)
#define M_ORDERED_TAG (0x22)
#define M_IGN_RESIDUE (0x23)
#define M_IDENTIFY (0x80)
#define M_X_MODIFY_DP (0x00)
#define M_X_SYNC_REQ (0x01)
#define M_X_WIDE_REQ (0x03)
#define M_X_PPR_REQ (0x04)
/*
* PPR protocol options
*/
#define PPR_OPT_IU (0x01)
#define PPR_OPT_DT (0x02)
#define PPR_OPT_QAS (0x04)
#define PPR_OPT_MASK (0x07)
/*
* Status
*/
#define S_GOOD (0x00)
#define S_CHECK_COND (0x02)
#define S_COND_MET (0x04)
#define S_BUSY (0x08)
#define S_INT (0x10)
#define S_INT_COND_MET (0x14)
#define S_CONFLICT (0x18)
#define S_TERMINATED (0x20)
#define S_QUEUE_FULL (0x28)
#define S_ILLEGAL (0xff)
#endif /* defined SYM_DEFS_H */