11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * wd33c93.h - Linux device driver definitions for the 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Commodore Amiga A2091/590 SCSI controller card 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IMPORTANT: This file is for version 1.25 - 09/Jul/1997 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 1996 John Shifflett, GeoLog Consulting 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * john@geolog.com 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * jshiffle@netcom.com 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2, or (at your option) 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * any later version. 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef WD33C93_H 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD33C93_H 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PROC_INTERFACE /* add code for /proc/scsi/wd33c93/xxx interface */ 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef PROC_INTERFACE 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PROC_STATISTICS /* add code for keeping various real time stats */ 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SYNC_DEBUG /* extra info on sync negotiation printed */ 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEBUGGING_ON /* enable command-line debugging bitmask */ 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEBUG_DEFAULTS 0 /* default debugging bitmask */ 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUGGING_ON 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB(f,a) if (hostdata->args & (f)) a; 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB(f,a) 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define uchar unsigned char 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* wd register names */ 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_OWN_ID 0x00 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CONTROL 0x01 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_TIMEOUT_PERIOD 0x02 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_1 0x03 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_2 0x04 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_3 0x05 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_4 0x06 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_5 0x07 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_6 0x08 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_7 0x09 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_8 0x0a 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_9 0x0b 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_10 0x0c 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_11 0x0d 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CDB_12 0x0e 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_TARGET_LUN 0x0f 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_COMMAND_PHASE 0x10 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_SYNCHRONOUS_TRANSFER 0x11 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_TRANSFER_COUNT_MSB 0x12 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_TRANSFER_COUNT 0x13 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_TRANSFER_COUNT_LSB 0x14 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_DESTINATION_ID 0x15 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_SOURCE_ID 0x16 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_SCSI_STATUS 0x17 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_COMMAND 0x18 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_DATA 0x19 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_QUEUE_TAG 0x1a 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_AUXILIARY_STATUS 0x1f 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* WD commands */ 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_RESET 0x00 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_ABORT 0x01 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_ASSERT_ATN 0x02 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_NEGATE_ACK 0x03 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_DISCONNECT 0x04 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_RESELECT 0x05 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_SEL_ATN 0x06 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_SEL 0x07 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_SEL_ATN_XFER 0x08 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_SEL_XFER 0x09 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_RESEL_RECEIVE 0x0a 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_RESEL_SEND 0x0b 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_WAIT_SEL_RECEIVE 0x0c 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_TRANS_ADDR 0x18 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_TRANS_INFO 0x20 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_TRANSFER_PAD 0x21 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD_CMD_SBT_MODE 0x80 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ASR register */ 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_INT (0x80) 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_LCI (0x40) 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_BSY (0x20) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_CIP (0x10) 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_PE (0x02) 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASR_DBR (0x01) 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* SCSI Bus Phases */ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PHS_DATA_OUT 0x00 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PHS_DATA_IN 0x01 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PHS_COMMAND 0x02 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PHS_STATUS 0x03 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PHS_MESS_OUT 0x06 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PHS_MESS_IN 0x07 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Command Status Register definitions */ 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* reset state interrupts */ 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_RESET 0x00 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_RESET_AF 0x01 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* successful completion interrupts */ 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_RESELECT 0x10 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_SELECT 0x11 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_SEL_XFER_DONE 0x16 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_XFER_DONE 0x18 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* paused or aborted interrupts */ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_MSGIN 0x20 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_SDP 0x21 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_SEL_ABORT 0x22 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_RESEL_ABORT 0x25 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_RESEL_ABORT_AM 0x27 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_ABORT 0x28 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* terminated interrupts */ 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_INVALID 0x40 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_UNEXP_DISC 0x41 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_TIMEOUT 0x42 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_PARITY 0x43 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_PARITY_ATN 0x44 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_BAD_STATUS 0x45 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_UNEXP 0x48 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* service required interrupts */ 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_RESEL 0x80 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_RESEL_AM 0x81 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_DISC 0x85 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CSR_SRV_REQ 0x88 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Own ID/CDB Size register */ 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_EAF 0x08 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_EHP 0x10 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_RAF 0x20 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_FS_8 0x00 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_FS_12 0x40 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OWNID_FS_16 0x80 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* define these so we don't have to change a2091.c, etc. */ 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD33C93_FS_8_10 OWNID_FS_8 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD33C93_FS_12_15 OWNID_FS_12 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WD33C93_FS_16_20 OWNID_FS_16 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 158c03983ac9b268d4bbb8c2600baba5798aefa9d5dJean Delvare /* pass input-clock explicitly. accepted mhz values are 8-10,12-20 */ 159a5d8421b2f03e46f02cc02066b186fdbc0f590a6peter fuerst#define WD33C93_FS_MHZ(mhz) (mhz) 160a5d8421b2f03e46f02cc02066b186fdbc0f590a6peter fuerst 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Control register */ 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_HSP 0x01 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_HA 0x02 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_IDI 0x04 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_EDI 0x08 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_HHP 0x10 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_POLLED 0x00 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_BURST 0x20 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_BUS 0x40 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CTRL_DMA 0x80 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Timeout Period register */ 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TIMEOUT_PERIOD_VALUE 20 /* 20 = 200 ms */ 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Synchronous Transfer Register */ 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define STR_FSS 0x80 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Destination ID register */ 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DSTID_DPD 0x40 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DATA_OUT_DIR 0 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DATA_IN_DIR 1 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DSTID_SCC 0x80 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Source ID register */ 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SRCID_MASK 0x07 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SRCID_SIV 0x08 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SRCID_DSP 0x20 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SRCID_ES 0x40 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SRCID_ER 0x80 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* This is what the 3393 chip looks like to us */ 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef struct { 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_WD33C93_PIO 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int SASR; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int SCMD; 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile unsigned char *SASR; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile unsigned char *SCMD; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} wd33c93_regs; 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef int (*dma_setup_t) (struct scsi_cmnd *SCpnt, int dir_in); 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef void (*dma_stop_t) (struct Scsi_Host *instance, 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scsi_cmnd *SCpnt, int status); 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ILLEGAL_STATUS_BYTE 0xff 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEFAULT_SX_PER 376 /* (ns) fairly safe */ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEFAULT_SX_OFF 0 /* aka async */ 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OPTIMUM_SX_PER 252 /* (ns) best we can do (mult-of-4) */ 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define OPTIMUM_SX_OFF 12 /* size of wd3393 fifo */ 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct sx_period { 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int period_ns; 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar reg_value; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* FEF: defines for hostdata->dma_buffer_pool */ 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BUF_CHIP_ALLOCED 0 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BUF_SCSI_ALLOCED 1 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct WD33C93_hostdata { 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct Scsi_Host *next; 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wd33c93_regs regs; 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spinlock_t lock; 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar clock_freq; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar chip; /* what kind of wd33c93? */ 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar microcode; /* microcode rev */ 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar dma_buffer_pool; /* FEF: buffer from chip_ram? */ 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dma_dir; /* data transfer dir. */ 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_setup_t dma_setup; 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_stop_t dma_stop; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int dma_xfer_mask; 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar *dma_bounce_buffer; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int dma_bounce_len; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile uchar busy[8]; /* index = target, bit = lun */ 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct scsi_cmnd *input_Q; /* commands waiting to be started */ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct scsi_cmnd *selecting; /* trying to select this command */ 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct scsi_cmnd *connected; /* currently connected command */ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds volatile struct scsi_cmnd *disconnected_Q;/* commands waiting for reconnect */ 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar state; /* what we are currently doing */ 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar dma; /* current state of DMA (on/off) */ 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar level2; /* extent to which Level-2 commands are used */ 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar disconnect; /* disconnect/reselect policy */ 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int args; /* set from command-line argument */ 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar incoming_msg[8]; /* filled during message_in phase */ 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int incoming_ptr; /* mainly used with EXTENDED messages */ 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar outgoing_msg[8]; /* send this during next message_out */ 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int outgoing_len; /* length of outgoing message */ 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int default_sx_per; /* default transfer period for SCSI bus */ 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar sync_xfer[8]; /* sync_xfer reg settings per target */ 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar sync_stat[8]; /* status of sync negotiation per target */ 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar no_sync; /* bitmask: don't do sync on these targets */ 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar no_dma; /* set this flag to disable DMA */ 259a5d8421b2f03e46f02cc02066b186fdbc0f590a6peter fuerst uchar dma_mode; /* DMA Burst Mode or Single Byte DMA */ 260a5d8421b2f03e46f02cc02066b186fdbc0f590a6peter fuerst uchar fast; /* set this flag to enable Fast SCSI */ 261a5d8421b2f03e46f02cc02066b186fdbc0f590a6peter fuerst struct sx_period sx_table[9]; /* transfer periods for actual DTC-setting */ 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef PROC_INTERFACE 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uchar proc; /* bitmask: what's in proc output */ 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef PROC_STATISTICS 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long cmd_cnt[8]; /* # of commands issued per target */ 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long int_cnt; /* # of interrupts serviced */ 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long pio_cnt; /* # of pio data transfers */ 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long dma_cnt; /* # of DMA data transfers */ 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long disc_allowed_cnt[8]; /* # of disconnects allowed per target */ 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long disc_done_cnt[8]; /* # of disconnects done per target*/ 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->chip */ 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C_WD33C93 0 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C_WD33C93A 1 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C_WD33C93B 2 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define C_UNKNOWN_CHIP 100 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->state */ 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define S_UNCONNECTED 0 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define S_SELECTING 1 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define S_RUNNING_LEVEL2 2 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define S_CONNECTED 3 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define S_PRE_TMP_DISC 4 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define S_PRE_CMP_DISC 5 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->dma */ 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define D_DMA_OFF 0 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define D_DMA_RUNNING 1 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->level2 */ 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* NOTE: only the first 3 are implemented so far */ 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define L2_NONE 1 /* no combination commands - we get lots of ints */ 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define L2_SELECT 2 /* start with SEL_ATN_XFER, but never resume it */ 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define L2_BASIC 3 /* resume after STATUS ints & RDP messages */ 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define L2_DATA 4 /* resume after DATA_IN/OUT ints */ 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define L2_MOST 5 /* resume after anything except a RESELECT int */ 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define L2_RESELECT 6 /* resume after everything, including RESELECT ints */ 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define L2_ALL 7 /* always resume */ 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->disconnect */ 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DIS_NEVER 0 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DIS_ADAPTIVE 1 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DIS_ALWAYS 2 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->args */ 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB_TEST1 1<<0 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB_TEST2 1<<1 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB_QUEUE_COMMAND 1<<2 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB_EXECUTE 1<<3 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB_INTR 1<<4 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB_TRANSFER 1<<5 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DB_MASK 0x3f 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->sync_stat[] */ 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SS_UNSET 0 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SS_FIRST 1 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SS_WAITING 2 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SS_SET 3 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* defines for hostdata->proc */ 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_VERSION 1<<0 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_INFO 1<<1 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_STATISTICS 1<<2 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_CONNECTED 1<<3 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_INPUTQ 1<<4 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_DISCQ 1<<5 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_TEST 1<<6 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define PR_STOP 1<<7 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid wd33c93_init (struct Scsi_Host *instance, const wd33c93_regs regs, 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_setup_t setup, dma_stop_t stop, int clock_freq); 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint wd33c93_abort (struct scsi_cmnd *cmd); 346f281233d3eba15fb225d21ae2e228fd4553d824aJeff Garzikint wd33c93_queuecommand (struct Scsi_Host *h, struct scsi_cmnd *cmd); 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid wd33c93_intr (struct Scsi_Host *instance); 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint wd33c93_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int); 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint wd33c93_host_reset (struct scsi_cmnd *); 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* WD33C93_H */ 352