11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * linux/drivers/acorn/scsi/acornscsi.h 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 1997 Russell King 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License version 2 as 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * published by the Free Software Foundation. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Acorn SCSI driver 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef ACORNSCSI_H 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ACORNSCSI_H 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* SBIC registers */ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_OWNID 0 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_FS1 (1<<7) 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_FS2 (1<<6) 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_EHP (1<<4) 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_EAF (1<<3) 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_CTRL 1 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_DMAMODE (1<<7) 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_DMADBAMODE (1<<6) 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_DMABURST (1<<5) 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_DMAPOLLED 0 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_HHP (1<<4) 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_EDI (1<<3) 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_IDI (1<<2) 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_HA (1<<1) 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_HSP (1<<0) 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TIMEOUT 2 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TOTSECTS 3 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TOTHEADS 4 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TOTCYLH 5 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TOTCYLL 6 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_LOGADDRH 7 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_LOGADDRM2 8 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_LOGADDRM1 9 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_LOGADDRL 10 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_SECTORNUM 11 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_HEADNUM 12 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_CYLH 13 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_CYLL 14 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TARGETLUN 15 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TARGETLUN_TLV (1<<7) 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TARGETLUN_DOK (1<<6) 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_CMNDPHASE 16 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_SYNCHTRANSFER 17 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF0 0x00 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF1 0x01 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF2 0x02 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF3 0x03 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF4 0x04 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF5 0x05 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF6 0x06 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF7 0x07 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF8 0x08 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF9 0x09 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF10 0x0A 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF11 0x0B 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_OF12 0x0C 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_8DBA 0x00 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_2DBA 0x20 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_3DBA 0x30 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_4DBA 0x40 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_5DBA 0x50 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_6DBA 0x60 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNCHTRANSFER_7DBA 0x70 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TRANSCNTH 18 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TRANSCNTM 19 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_TRANSCNTL 20 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_DESTID 21 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DESTID_SCC (1<<7) 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DESTID_DPD (1<<6) 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_SOURCEID 22 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SOURCEID_ER (1<<7) 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SOURCEID_ES (1<<6) 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SOURCEID_DSP (1<<5) 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SOURCEID_SIV (1<<4) 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_SSR 23 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_CMND 24 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RESET 0x00 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_ABORT 0x01 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_ASSERTATN 0x02 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_NEGATEACK 0x03 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_DISCONNECT 0x04 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RESELECT 0x05 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SELWITHATN 0x06 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SELECT 0x07 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SELECTATNTRANSFER 0x08 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SELECTTRANSFER 0x09 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RESELECTRXDATA 0x0A 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RESELECTTXDATA 0x0B 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_WAITFORSELRECV 0x0C 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SENDSTATCMD 0x0D 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SENDDISCONNECT 0x0E 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SETIDI 0x0F 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RECEIVECMD 0x10 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RECEIVEDTA 0x11 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RECEIVEMSG 0x12 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_RECEIVEUSP 0x13 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SENDCMD 0x14 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SENDDATA 0x15 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SENDMSG 0x16 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SENDUSP 0x17 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_TRANSLATEADDR 0x18 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_XFERINFO 0x20 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CMND_SBT (1<<7) 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_DATA 25 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SBIC_ASR 26 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_INT (1<<7) 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_LCI (1<<6) 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_BSY (1<<5) 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_CIP (1<<4) 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_PE (1<<1) 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_DBR (1<<0) 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* DMAC registers */ 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_INIT 0x00 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define INIT_8BIT (1) 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_CHANNEL 0x80 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHANNEL_0 0x00 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHANNEL_1 0x01 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHANNEL_2 0x02 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHANNEL_3 0x03 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_TXCNTLO 0x01 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_TXCNTHI 0x81 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_TXADRLO 0x02 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_TXADRMD 0x82 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_TXADRHI 0x03 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_DEVCON0 0x04 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_AKL (1<<7) 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_RQL (1<<6) 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_EXW (1<<5) 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_ROT (1<<4) 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_CMP (1<<3) 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_DDMA (1<<2) 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_AHLD (1<<1) 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON0_MTM (1<<0) 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_DEVCON1 0x84 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON1_WEV (1<<1) 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEVCON1_BHLD (1<<0) 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_MODECON 0x05 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_WOED 0x01 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_VERIFY 0x00 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_READ 0x04 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_WRITE 0x08 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_AUTOINIT 0x10 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_ADDRDIR 0x20 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_DEMAND 0x00 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_SINGLE 0x40 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_BLOCK 0x80 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MODECON_CASCADE 0xC0 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_STATUS 0x85 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STATUS_TC0 (1<<0) 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STATUS_RQ0 (1<<4) 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_TEMPLO 0x06 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_TEMPHI 0x86 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_REQREG 0x07 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DMAC_MASKREG 0x87 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MASKREG_M0 0x01 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MASKREG_M1 0x02 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MASKREG_M2 0x04 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MASKREG_M3 0x08 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* miscellaneous internal variables */ 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MASK_ON (MASKREG_M3|MASKREG_M2|MASKREG_M1|MASKREG_M0) 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MASK_OFF (MASKREG_M3|MASKREG_M2|MASKREG_M1) 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SCSI driver phases 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_IDLE, /* we're not planning on doing anything */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_CONNECTING, /* connecting to a target */ 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_CONNECTED, /* connected to a target */ 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_MSGOUT, /* message out to device */ 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_RECONNECTED, /* reconnected */ 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_COMMANDPAUSED, /* command partly sent */ 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_COMMAND, /* command all sent */ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_DATAOUT, /* data out to device */ 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_DATAIN, /* data in from device */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_STATUSIN, /* status in from device */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_MSGIN, /* message in from device */ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_DONE, /* finished */ 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_ABORTED, /* aborted */ 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PHASE_DISCONNECT, /* disconnecting */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} phase_t; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * After interrupt, what to do now 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INTR_IDLE, /* not expecting another IRQ */ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INTR_NEXT_COMMAND, /* start next command */ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INTR_PROCESSING, /* interrupt routine still processing */ 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} intr_ret_t; 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DMA direction 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DMA_OUT, /* DMA from memory to chip */ 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DMA_IN /* DMA from chip to memory */ 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} dmadir_t; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Synchronous transfer state 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { /* Synchronous transfer state */ 22625985edcedea6396277003854657b5f3cb31a628Lucas De Marchi SYNC_ASYNCHRONOUS, /* don't negotiate synchronous transfers*/ 22725985edcedea6396277003854657b5f3cb31a628Lucas De Marchi SYNC_NEGOCIATE, /* start negotiation */ 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SYNC_SENT_REQUEST, /* sent SDTR message */ 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SYNC_COMPLETED, /* received SDTR reply */ 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} syncxfer_t; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Command type 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { /* command type */ 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CMD_READ, /* READ_6, READ_10, READ_12 */ 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CMD_WRITE, /* WRITE_6, WRITE_10, WRITE_12 */ 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CMD_MISC, /* Others */ 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} cmdtype_t; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Data phase direction 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { /* Data direction */ 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DATADIR_IN, /* Data in phase expected */ 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DATADIR_OUT /* Data out phase expected */ 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} datadir_t; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "queue.h" 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "msgqueue.h" 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STATUS_BUFFER_SIZE 32 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is used to dump the previous states of the SBIC 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct status_entry { 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long when; 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char ssr; 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char ph; 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char irq; 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char unused; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ADD_STATUS(_q,_ssr,_ph,_irq) \ 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds({ \ 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds host->status[(_q)][host->status_ptr[(_q)]].when = jiffies; \ 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds host->status[(_q)][host->status_ptr[(_q)]].ssr = (_ssr); \ 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds host->status[(_q)][host->status_ptr[(_q)]].ph = (_ph); \ 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds host->status[(_q)][host->status_ptr[(_q)]].irq = (_irq); \ 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds host->status_ptr[(_q)] = (host->status_ptr[(_q)] + 1) & (STATUS_BUFFER_SIZE - 1); \ 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}) 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * AcornSCSI host specific data 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef struct acornscsi_hostdata { 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* miscellaneous */ 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *host; /* host */ 279ee0ca6bab394fe41a2b4de58c4532b09a41c9165Henrik Kretzschmar struct scsi_cmnd *SCpnt; /* currently processing command */ 280ee0ca6bab394fe41a2b4de58c4532b09a41c9165Henrik Kretzschmar struct scsi_cmnd *origSCpnt; /* original connecting command */ 281e95a1b656a9809acd8ba8eb867ac6a7759d6180eRussell King void __iomem *base; /* memc base address */ 282e95a1b656a9809acd8ba8eb867ac6a7759d6180eRussell King void __iomem *fast; /* fast ioc base address */ 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* driver information */ 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int irq; /* interrupt */ 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds phase_t phase; /* current phase */ 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char target; /* reconnected target */ 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char lun; /* reconnected lun */ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char tag; /* reconnected tag */ 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } reconnected; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2950a04137e75204e370dbdf2376033853eea126de7Christoph Hellwig struct scsi_pointer SCp; /* current commands data pointer */ 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MsgQueue_t msgs; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short last_message; /* last message to be sent */ 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char disconnectable:1; /* this command can be disconnected */ 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } scsi; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* statistics information */ 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int queues; 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int removes; 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int fins; 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int reads; 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int writes; 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int miscs; 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int disconnects; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int aborts; 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int resets; 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } stats; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* queue handling */ 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Queue_t issue; /* issue queue */ 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds Queue_t disconnected; /* disconnected command queue */ 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } queues; 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* per-device info */ 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char sync_xfer; /* synchronous transfer (SBIC value) */ 32525985edcedea6396277003854657b5f3cb31a628Lucas De Marchi syncxfer_t sync_state; /* sync xfer negotiation state */ 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char disconnect_ok:1; /* device can disconnect */ 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } device[8]; 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long busyluns[64 / sizeof(unsigned long)];/* array of bits indicating LUNs busy */ 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* DMA info */ 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int free_addr; /* next free address */ 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int start_addr; /* start address of current transfer */ 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dmadir_t direction; /* dma direction */ 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int transferred; /* number of bytes transferred */ 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int xfer_start; /* scheduled DMA transfer start */ 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int xfer_length; /* scheduled DMA transfer length */ 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *xfer_ptr; /* pointer to area */ 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char xfer_required:1; /* set if we need to transfer something */ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char xfer_setup:1; /* set if DMA is setup */ 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char xfer_done:1; /* set if DMA reached end of BH list */ 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } dma; 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* card info */ 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char page_reg; /* current setting of page reg */ 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } card; 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char status_ptr[9]; 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct status_entry status[9][STATUS_BUFFER_SIZE]; 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} AS_Host; 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* ACORNSCSI_H */ 354