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1/*2 * Initio A100 device driver for Linux.3 *4 * Copyright (c) 1994-1998 Initio Corporation5 * All rights reserved.6 *7 * This program is free software; you can redistribute it and/or modify8 * it under the terms of the GNU General Public License as published by9 * the Free Software Foundation; either version 2, or (at your option)10 * any later version.11 *12 * This program is distributed in the hope that it will be useful,13 * but WITHOUT ANY WARRANTY; without even the implied warranty of14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the15 * GNU General Public License for more details.16 *17 * You should have received a copy of the GNU General Public License18 * along with this program; see the file COPYING. If not, write to19 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.20 *21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR25 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF31 * SUCH DAMAGE.32 *33 * Revision History:34 * 06/18/98 HL, Initial production Version 1.0235 * 12/19/98 bv, Use spinlocks for 2.1.95 and up36 * 06/25/02 Doug Ledford <dledford@redhat.com>37 * - This and the i60uscsi.h file are almost identical,38 * merged them into a single header used by both .c files.39 * 14/06/07 Alan Cox <alan@redhat.com>40 * - Grand cleanup and Linuxisation41 */42 43#define inia100_REVID "Initio INI-A100U2W SCSI device driver; Revision: 1.02d"44 45#if 146#define ORC_MAXQUEUE 24547#define ORC_MAXTAGS 6448#else49#define ORC_MAXQUEUE 2550#define ORC_MAXTAGS 851#endif52 53#define TOTAL_SG_ENTRY 3254#define MAX_TARGETS 1655#define IMAX_CDB 1556#define SENSE_SIZE 1457 58/************************************************************************/59/* Scatter-Gather Element Structure */60/************************************************************************/61struct orc_sgent {62 u32 base; /* Data Pointer */63 u32 length; /* Data Length */64};65 66/* SCSI related definition */67#define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */68#define DISC_ALLOW 0xC0 /* Disconnect is allowed */69 70 71#define ORC_OFFSET_SCB 1672#define ORC_MAX_SCBS 25073#define MAX_CHANNELS 274#define MAX_ESCB_ELE 6475#define TCF_DRV_255_63 0x040076 77/********************************************************/78/* Orchid Host Command Set */79/********************************************************/80#define ORC_CMD_NOP 0x00 /* Host command - NOP */81#define ORC_CMD_VERSION 0x01 /* Host command - Get F/W version */82#define ORC_CMD_ECHO 0x02 /* Host command - ECHO */83#define ORC_CMD_SET_NVM 0x03 /* Host command - Set NVRAM */84#define ORC_CMD_GET_NVM 0x04 /* Host command - Get NVRAM */85#define ORC_CMD_GET_BUS_STATUS 0x05 /* Host command - Get SCSI bus status */86#define ORC_CMD_ABORT_SCB 0x06 /* Host command - Abort SCB */87#define ORC_CMD_ISSUE_SCB 0x07 /* Host command - Issue SCB */88 89/********************************************************/90/* Orchid Register Set */91/********************************************************/92#define ORC_GINTS 0xA0 /* Global Interrupt Status */93#define QINT 0x04 /* Reply Queue Interrupt */94#define ORC_GIMSK 0xA1 /* Global Interrupt MASK */95#define MQINT 0x04 /* Mask Reply Queue Interrupt */96#define ORC_GCFG 0xA2 /* Global Configure */97#define EEPRG 0x01 /* Enable EEPROM programming */98#define ORC_GSTAT 0xA3 /* Global status */99#define WIDEBUS 0x10 /* Wide SCSI Devices connected */100#define ORC_HDATA 0xA4 /* Host Data */101#define ORC_HCTRL 0xA5 /* Host Control */102#define SCSIRST 0x80 /* SCSI bus reset */103#define HDO 0x40 /* Host data out */104#define HOSTSTOP 0x02 /* Host stop RISC engine */105#define DEVRST 0x01 /* Device reset */106#define ORC_HSTUS 0xA6 /* Host Status */107#define HDI 0x02 /* Host data in */108#define RREADY 0x01 /* RISC engine is ready to receive */109#define ORC_NVRAM 0xA7 /* Nvram port address */110#define SE2CS 0x008111#define SE2CLK 0x004112#define SE2DO 0x002113#define SE2DI 0x001114#define ORC_PQUEUE 0xA8 /* Posting queue FIFO */115#define ORC_PQCNT 0xA9 /* Posting queue FIFO Cnt */116#define ORC_RQUEUE 0xAA /* Reply queue FIFO */117#define ORC_RQUEUECNT 0xAB /* Reply queue FIFO Cnt */118#define ORC_FWBASEADR 0xAC /* Firmware base address */119 120#define ORC_EBIOSADR0 0xB0 /* External Bios address */121#define ORC_EBIOSADR1 0xB1 /* External Bios address */122#define ORC_EBIOSADR2 0xB2 /* External Bios address */123#define ORC_EBIOSDATA 0xB3 /* External Bios address */124 125#define ORC_SCBSIZE 0xB7 /* SCB size register */126#define ORC_SCBBASE0 0xB8 /* SCB base address 0 */127#define ORC_SCBBASE1 0xBC /* SCB base address 1 */128 129#define ORC_RISCCTL 0xE0 /* RISC Control */130#define PRGMRST 0x002131#define DOWNLOAD 0x001132#define ORC_PRGMCTR0 0xE2 /* RISC program counter */133#define ORC_PRGMCTR1 0xE3 /* RISC program counter */134#define ORC_RISCRAM 0xEC /* RISC RAM data port 4 bytes */135 136struct orc_extended_scb { /* Extended SCB */137 struct orc_sgent sglist[TOTAL_SG_ENTRY]; /*0 Start of SG list */138 struct scsi_cmnd *srb; /*50 SRB Pointer */139};140 141/***********************************************************************142 SCSI Control Block143 144 0x40 bytes long, the last 8 are user bytes145************************************************************************/146struct orc_scb { /* Scsi_Ctrl_Blk */147 u8 opcode; /*00 SCB command code&residual */148 u8 flags; /*01 SCB Flags */149 u8 target; /*02 Target Id */150 u8 lun; /*03 Lun */151 u32 reserved0; /*04 Reserved for ORCHID must 0 */152 u32 xferlen; /*08 Data Transfer Length */153 u32 reserved1; /*0C Reserved for ORCHID must 0 */154 u32 sg_len; /*10 SG list # * 8 */155 u32 sg_addr; /*14 SG List Buf physical Addr */156 u32 sg_addrhigh; /*18 SG Buffer high physical Addr */157 u8 hastat; /*1C Host Status */158 u8 tastat; /*1D Target Status */159 u8 status; /*1E SCB status */160 u8 link; /*1F Link pointer, default 0xFF */161 u8 sense_len; /*20 Sense Allocation Length */162 u8 cdb_len; /*21 CDB Length */163 u8 ident; /*22 Identify */164 u8 tag_msg; /*23 Tag Message */165 u8 cdb[IMAX_CDB]; /*24 SCSI CDBs */166 u8 scbidx; /*3C Index for this ORCSCB */167 u32 sense_addr; /*34 Sense Buffer physical Addr */168 169 struct orc_extended_scb *escb; /*38 Extended SCB Pointer */170 /* 64bit pointer or 32bit pointer + reserved ? */171#ifndef CONFIG_64BIT172 u8 reserved2[4]; /*3E Reserved for Driver use */173#endif174};175 176/* Opcodes of ORCSCB_Opcode */177#define ORC_EXECSCSI 0x00 /* SCSI initiator command with residual */178#define ORC_BUSDEVRST 0x01 /* SCSI Bus Device Reset */179 180/* Status of ORCSCB_Status */181#define ORCSCB_COMPLETE 0x00 /* SCB request completed */182#define ORCSCB_POST 0x01 /* SCB is posted by the HOST */183 184/* Bit Definition for ORCSCB_Flags */185#define SCF_DISINT 0x01 /* Disable HOST interrupt */186#define SCF_DIR 0x18 /* Direction bits */187#define SCF_NO_DCHK 0x00 /* Direction determined by SCSI */188#define SCF_DIN 0x08 /* From Target to Initiator */189#define SCF_DOUT 0x10 /* From Initiator to Target */190#define SCF_NO_XF 0x18 /* No data transfer */191#define SCF_POLL 0x40192 193/* Error Codes for ORCSCB_HaStat */194#define HOST_SEL_TOUT 0x11195#define HOST_DO_DU 0x12196#define HOST_BUS_FREE 0x13197#define HOST_BAD_PHAS 0x14198#define HOST_INV_CMD 0x16199#define HOST_SCSI_RST 0x1B200#define HOST_DEV_RST 0x1C201 202 203/* Error Codes for ORCSCB_TaStat */204#define TARGET_CHK_COND 0x02205#define TARGET_BUSY 0x08206#define TARGET_TAG_FULL 0x28207 208 209/***********************************************************************210 Target Device Control Structure211**********************************************************************/212 213struct orc_target {214 u8 TCS_DrvDASD; /* 6 */215 u8 TCS_DrvSCSI; /* 7 */216 u8 TCS_DrvHead; /* 8 */217 u16 TCS_DrvFlags; /* 4 */218 u8 TCS_DrvSector; /* 7 */219};220 221/* Bit Definition for TCF_DrvFlags */222#define TCS_DF_NODASD_SUPT 0x20 /* Suppress OS/2 DASD Mgr support */223#define TCS_DF_NOSCSI_SUPT 0x40 /* Suppress OS/2 SCSI Mgr support */224 225 226/***********************************************************************227 Host Adapter Control Structure228************************************************************************/229struct orc_host {230 unsigned long base; /* Base address */231 u8 index; /* Index (Channel)*/232 u8 scsi_id; /* H/A SCSI ID */233 u8 BIOScfg; /*BIOS configuration */234 u8 flags;235 u8 max_targets; /* SCSI0MAXTags */236 struct orc_scb *scb_virt; /* Virtual Pointer to SCB array */237 dma_addr_t scb_phys; /* Scb Physical address */238 struct orc_extended_scb *escb_virt; /* Virtual pointer to ESCB Scatter list */239 dma_addr_t escb_phys; /* scatter list Physical address */240 u8 target_flag[16]; /* target configuration, TCF_EN_TAG */241 u8 max_tags[16]; /* ORC_MAX_SCBS */242 u32 allocation_map[MAX_CHANNELS][8]; /* Max STB is 256, So 256/32 */243 spinlock_t allocation_lock;244 struct pci_dev *pdev;245};246 247/* Bit Definition for HCS_Flags */248 249#define HCF_SCSI_RESET 0x01 /* SCSI BUS RESET */250#define HCF_PARITY 0x02 /* parity card */251#define HCF_LVDS 0x10 /* parity card */252 253/* Bit Definition for TargetFlag */254 255#define TCF_EN_255 0x08256#define TCF_EN_TAG 0x10257#define TCF_BUSY 0x20258#define TCF_DISCONNECT 0x40259#define TCF_SPIN_UP 0x80260 261/* Bit Definition for HCS_AFlags */262#define HCS_AF_IGNORE 0x01 /* Adapter ignore */263#define HCS_AF_DISABLE_RESET 0x10 /* Adapter disable reset */264#define HCS_AF_DISABLE_ADPT 0x80 /* Adapter disable */265 266struct orc_nvram {267/*----------header ---------------*/268 u8 SubVendorID0; /* 00 - Sub Vendor ID */269 u8 SubVendorID1; /* 00 - Sub Vendor ID */270 u8 SubSysID0; /* 02 - Sub System ID */271 u8 SubSysID1; /* 02 - Sub System ID */272 u8 SubClass; /* 04 - Sub Class */273 u8 VendorID0; /* 05 - Vendor ID */274 u8 VendorID1; /* 05 - Vendor ID */275 u8 DeviceID0; /* 07 - Device ID */276 u8 DeviceID1; /* 07 - Device ID */277 u8 Reserved0[2]; /* 09 - Reserved */278 u8 revision; /* 0B - revision of data structure */279 /* ----Host Adapter Structure ---- */280 u8 NumOfCh; /* 0C - Number of SCSI channel */281 u8 BIOSConfig1; /* 0D - BIOS configuration 1 */282 u8 BIOSConfig2; /* 0E - BIOS boot channel&target ID */283 u8 BIOSConfig3; /* 0F - BIOS configuration 3 */284 /* ----SCSI channel Structure ---- */285 /* from "CTRL-I SCSI Host Adapter SetUp menu " */286 u8 scsi_id; /* 10 - Channel 0 SCSI ID */287 u8 SCSI0Config; /* 11 - Channel 0 SCSI configuration */288 u8 SCSI0MaxTags; /* 12 - Channel 0 Maximum tags */289 u8 SCSI0ResetTime; /* 13 - Channel 0 Reset recovering time */290 u8 ReservedforChannel0[2]; /* 14 - Reserved */291 292 /* ----SCSI target Structure ---- */293 /* from "CTRL-I SCSI device SetUp menu " */294 u8 Target00Config; /* 16 - Channel 0 Target 0 config */295 u8 Target01Config; /* 17 - Channel 0 Target 1 config */296 u8 Target02Config; /* 18 - Channel 0 Target 2 config */297 u8 Target03Config; /* 19 - Channel 0 Target 3 config */298 u8 Target04Config; /* 1A - Channel 0 Target 4 config */299 u8 Target05Config; /* 1B - Channel 0 Target 5 config */300 u8 Target06Config; /* 1C - Channel 0 Target 6 config */301 u8 Target07Config; /* 1D - Channel 0 Target 7 config */302 u8 Target08Config; /* 1E - Channel 0 Target 8 config */303 u8 Target09Config; /* 1F - Channel 0 Target 9 config */304 u8 Target0AConfig; /* 20 - Channel 0 Target A config */305 u8 Target0BConfig; /* 21 - Channel 0 Target B config */306 u8 Target0CConfig; /* 22 - Channel 0 Target C config */307 u8 Target0DConfig; /* 23 - Channel 0 Target D config */308 u8 Target0EConfig; /* 24 - Channel 0 Target E config */309 u8 Target0FConfig; /* 25 - Channel 0 Target F config */310 311 u8 SCSI1Id; /* 26 - Channel 1 SCSI ID */312 u8 SCSI1Config; /* 27 - Channel 1 SCSI configuration */313 u8 SCSI1MaxTags; /* 28 - Channel 1 Maximum tags */314 u8 SCSI1ResetTime; /* 29 - Channel 1 Reset recovering time */315 u8 ReservedforChannel1[2]; /* 2A - Reserved */316 317 /* ----SCSI target Structure ---- */318 /* from "CTRL-I SCSI device SetUp menu " */319 u8 Target10Config; /* 2C - Channel 1 Target 0 config */320 u8 Target11Config; /* 2D - Channel 1 Target 1 config */321 u8 Target12Config; /* 2E - Channel 1 Target 2 config */322 u8 Target13Config; /* 2F - Channel 1 Target 3 config */323 u8 Target14Config; /* 30 - Channel 1 Target 4 config */324 u8 Target15Config; /* 31 - Channel 1 Target 5 config */325 u8 Target16Config; /* 32 - Channel 1 Target 6 config */326 u8 Target17Config; /* 33 - Channel 1 Target 7 config */327 u8 Target18Config; /* 34 - Channel 1 Target 8 config */328 u8 Target19Config; /* 35 - Channel 1 Target 9 config */329 u8 Target1AConfig; /* 36 - Channel 1 Target A config */330 u8 Target1BConfig; /* 37 - Channel 1 Target B config */331 u8 Target1CConfig; /* 38 - Channel 1 Target C config */332 u8 Target1DConfig; /* 39 - Channel 1 Target D config */333 u8 Target1EConfig; /* 3A - Channel 1 Target E config */334 u8 Target1FConfig; /* 3B - Channel 1 Target F config */335 u8 reserved[3]; /* 3C - Reserved */336 /* ---------- CheckSum ---------- */337 u8 CheckSum; /* 3F - Checksum of NVRam */338};339 340/* Bios Configuration for nvram->BIOSConfig1 */341#define NBC_BIOSENABLE 0x01 /* BIOS enable */342#define NBC_CDROM 0x02 /* Support bootable CDROM */343#define NBC_REMOVABLE 0x04 /* Support removable drive */344 345/* Bios Configuration for nvram->BIOSConfig2 */346#define NBB_TARGET_MASK 0x0F /* Boot SCSI target ID number */347#define NBB_CHANL_MASK 0xF0 /* Boot SCSI channel number */348 349/* Bit definition for nvram->SCSIConfig */350#define NCC_BUSRESET 0x01 /* Reset SCSI bus at power up */351#define NCC_PARITYCHK 0x02 /* SCSI parity enable */352#define NCC_LVDS 0x10 /* Enable LVDS */353#define NCC_ACTTERM1 0x20 /* Enable active terminator 1 */354#define NCC_ACTTERM2 0x40 /* Enable active terminator 2 */355#define NCC_AUTOTERM 0x80 /* Enable auto termination */356 357/* Bit definition for nvram->TargetxConfig */358#define NTC_PERIOD 0x07 /* Maximum Sync. Speed */359#define NTC_1GIGA 0x08 /* 255 head / 63 sectors (64/32) */360#define NTC_NO_SYNC 0x10 /* NO SYNC. NEGO */361#define NTC_NO_WIDESYNC 0x20 /* NO WIDE SYNC. NEGO */362#define NTC_DISC_ENABLE 0x40 /* Enable SCSI disconnect */363#define NTC_SPINUP 0x80 /* Start disk drive */364 365/* Default NVRam values */366#define NBC_DEFAULT (NBC_ENABLE)367#define NCC_DEFAULT (NCC_BUSRESET | NCC_AUTOTERM | NCC_PARITYCHK)368#define NCC_MAX_TAGS 0x20 /* Maximum tags per target */369#define NCC_RESET_TIME 0x0A /* SCSI RESET recovering time */370#define NTC_DEFAULT (NTC_1GIGA | NTC_NO_WIDESYNC | NTC_DISC_ENABLE)371 372