diff options
Diffstat (limited to 'drivers/scsi/in2000.h')
| -rw-r--r-- | drivers/scsi/in2000.h | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/drivers/scsi/in2000.h b/drivers/scsi/in2000.h deleted file mode 100644 index 5821e1fbce08..000000000000 --- a/drivers/scsi/in2000.h +++ /dev/null @@ -1,412 +0,0 @@ -/* - * in2000.h - Linux device driver definitions for the - * Always IN2000 ISA SCSI card. - * - * IMPORTANT: This file is for version 1.33 - 26/Aug/1998 - * - * Copyright (c) 1996 John Shifflett, GeoLog Consulting - * john@geolog.com - * jshiffle@netcom.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef IN2000_H -#define IN2000_H - -#include <asm/io.h> - -#define PROC_INTERFACE /* add code for /proc/scsi/in2000/xxx interface */ -#ifdef PROC_INTERFACE -#define PROC_STATISTICS /* add code for keeping various real time stats */ -#endif - -#define SYNC_DEBUG /* extra info on sync negotiation printed */ -#define DEBUGGING_ON /* enable command-line debugging bitmask */ -#define DEBUG_DEFAULTS 0 /* default bitmask - change from command-line */ - -#ifdef __i386__ -#define FAST_READ_IO /* No problems with these on my machine */ -#define FAST_WRITE_IO -#endif - -#ifdef DEBUGGING_ON -#define DB(f,a) if (hostdata->args & (f)) a; -#define CHECK_NULL(p,s) /* if (!(p)) {printk("\n"); while (1) printk("NP:%s\r",(s));} */ -#else -#define DB(f,a) -#define CHECK_NULL(p,s) -#endif - -#define uchar unsigned char - -#define read1_io(a) (inb(hostdata->io_base+(a))) -#define read2_io(a) (inw(hostdata->io_base+(a))) -#define write1_io(b,a) (outb((b),hostdata->io_base+(a))) -#define write2_io(w,a) (outw((w),hostdata->io_base+(a))) - -#ifdef __i386__ -/* These inline assembly defines are derived from a patch - * sent to me by Bill Earnest. He's done a lot of very - * valuable thinking, testing, and coding during his effort - * to squeeze more speed out of this driver. I really think - * that we are doing IO at close to the maximum now with - * the fifo. (And yes, insw uses 'edi' while outsw uses - * 'esi'. Thanks Bill!) - */ - -#define FAST_READ2_IO() \ -({ \ -int __dummy_1,__dummy_2; \ - __asm__ __volatile__ ("\n \ - cld \n \ - orl %%ecx, %%ecx \n \ - jz 1f \n \ - rep \n \ - insw (%%dx),%%es:(%%edi) \n \ -1: " \ - : "=D" (sp) ,"=c" (__dummy_1) ,"=d" (__dummy_2) /* output */ \ - : "2" (f), "0" (sp), "1" (i) /* input */ \ - ); /* trashed */ \ -}) - -#define FAST_WRITE2_IO() \ -({ \ -int __dummy_1,__dummy_2; \ - __asm__ __volatile__ ("\n \ - cld \n \ - orl %%ecx, %%ecx \n \ - jz 1f \n \ - rep \n \ - outsw %%ds:(%%esi),(%%dx) \n \ -1: " \ - : "=S" (sp) ,"=c" (__dummy_1) ,"=d" (__dummy_2)/* output */ \ - : "2" (f), "0" (sp), "1" (i) /* input */ \ - ); /* trashed */ \ -}) -#endif - -/* IN2000 io_port offsets */ -#define IO_WD_ASR 0x00 /* R - 3393 auxstat reg */ -#define ASR_INT 0x80 -#define ASR_LCI 0x40 -#define ASR_BSY 0x20 -#define ASR_CIP 0x10 -#define ASR_PE 0x02 -#define ASR_DBR 0x01 -#define IO_WD_ADDR 0x00 /* W - 3393 address reg */ -#define IO_WD_DATA 0x01 /* R/W - rest of 3393 regs */ -#define IO_FIFO 0x02 /* R/W - in2000 dual-port fifo (16 bits) */ -#define IN2000_FIFO_SIZE 2048 /* fifo capacity in bytes */ -#define IO_CARD_RESET 0x03 /* W - in2000 start master reset */ -#define IO_FIFO_COUNT 0x04 /* R - in2000 fifo counter */ -#define IO_FIFO_WRITE 0x05 /* W - clear fifo counter, start write */ -#define IO_FIFO_READ 0x07 /* W - start fifo read */ -#define IO_LED_OFF 0x08 /* W - turn off in2000 activity LED */ -#define IO_SWITCHES 0x08 /* R - read in2000 dip switch */ -#define SW_ADDR0 0x01 /* bit 0 = bit 0 of index to io addr */ -#define SW_ADDR1 0x02 /* bit 1 = bit 1 of index io addr */ -#define SW_DISINT 0x04 /* bit 2 true if ints disabled */ -#define SW_INT0 0x08 /* bit 3 = bit 0 of index to interrupt */ -#define SW_INT1 0x10 /* bit 4 = bit 1 of index to interrupt */ -#define SW_INT_SHIFT 3 /* shift right this amount to right justify int bits */ -#define SW_SYNC_DOS5 0x20 /* bit 5 used by Always BIOS */ -#define SW_FLOPPY 0x40 /* bit 6 true if floppy enabled */ -#define SW_BIT7 0x80 /* bit 7 hardwired true (ground) */ -#define IO_LED_ON 0x09 /* W - turn on in2000 activity LED */ -#define IO_HARDWARE 0x0a /* R - read in2000 hardware rev, stop reset */ -#define IO_INTR_MASK 0x0c /* W - in2000 interrupt mask reg */ -#define IMASK_WD 0x01 /* WD33c93 interrupt mask */ -#define IMASK_FIFO 0x02 /* FIFO interrupt mask */ - -/* wd register names */ -#define WD_OWN_ID 0x00 -#define WD_CONTROL 0x01 -#define WD_TIMEOUT_PERIOD 0x02 -#define WD_CDB_1 0x03 -#define WD_CDB_2 0x04 -#define WD_CDB_3 0x05 -#define WD_CDB_4 0x06 -#define WD_CDB_5 0x07 -#define WD_CDB_6 0x08 -#define WD_CDB_7 0x09 -#define WD_CDB_8 0x0a -#define WD_CDB_9 0x0b -#define WD_CDB_10 0x0c -#define WD_CDB_11 0x0d -#define WD_CDB_12 0x0e -#define WD_TARGET_LUN 0x0f -#define WD_COMMAND_PHASE 0x10 -#define WD_SYNCHRONOUS_TRANSFER 0x11 -#define WD_TRANSFER_COUNT_MSB 0x12 -#define WD_TRANSFER_COUNT 0x13 -#define WD_TRANSFER_COUNT_LSB 0x14 -#define WD_DESTINATION_ID 0x15 -#define WD_SOURCE_ID 0x16 -#define WD_SCSI_STATUS 0x17 -#define WD_COMMAND 0x18 -#define WD_DATA 0x19 -#define WD_QUEUE_TAG 0x1a -#define WD_AUXILIARY_STATUS 0x1f - -/* WD commands */ -#define WD_CMD_RESET 0x00 -#define WD_CMD_ABORT 0x01 -#define WD_CMD_ASSERT_ATN 0x02 -#define WD_CMD_NEGATE_ACK 0x03 -#define WD_CMD_DISCONNECT 0x04 -#define WD_CMD_RESELECT 0x05 -#define WD_CMD_SEL_ATN 0x06 -#define WD_CMD_SEL 0x07 -#define WD_CMD_SEL_ATN_XFER 0x08 -#define WD_CMD_SEL_XFER 0x09 -#define WD_CMD_RESEL_RECEIVE 0x0a -#define WD_CMD_RESEL_SEND 0x0b -#define WD_CMD_WAIT_SEL_RECEIVE 0x0c -#define WD_CMD_TRANS_ADDR 0x18 -#define WD_CMD_TRANS_INFO 0x20 -#define WD_CMD_TRANSFER_PAD 0x21 -#define WD_CMD_SBT_MODE 0x80 - -/* SCSI Bus Phases */ -#define PHS_DATA_OUT 0x00 -#define PHS_DATA_IN 0x01 -#define PHS_COMMAND 0x02 -#define PHS_STATUS 0x03 -#define PHS_MESS_OUT 0x06 -#define PHS_MESS_IN 0x07 - -/* Command Status Register definitions */ - - /* reset state interrupts */ -#define CSR_RESET 0x00 -#define CSR_RESET_AF 0x01 - - /* successful completion interrupts */ -#define CSR_RESELECT 0x10 -#define CSR_SELECT 0x11 -#define CSR_SEL_XFER_DONE 0x16 -#define CSR_XFER_DONE 0x18 - - /* paused or aborted interrupts */ -#define CSR_MSGIN 0x20 -#define CSR_SDP 0x21 -#define CSR_SEL_ABORT 0x22 -#define CSR_RESEL_ABORT 0x25 -#define CSR_RESEL_ABORT_AM 0x27 -#define CSR_ABORT 0x28 - - /* terminated interrupts */ -#define CSR_INVALID 0x40 -#define CSR_UNEXP_DISC 0x41 -#define CSR_TIMEOUT 0x42 -#define CSR_PARITY 0x43 -#define CSR_PARITY_ATN 0x44 -#define CSR_BAD_STATUS 0x45 -#define CSR_UNEXP 0x48 - - /* service required interrupts */ -#define CSR_RESEL 0x80 -#define CSR_RESEL_AM 0x81 -#define CSR_DISC 0x85 -#define CSR_SRV_REQ 0x88 - - /* Own ID/CDB Size register */ -#define OWNID_EAF 0x08 -#define OWNID_EHP 0x10 -#define OWNID_RAF 0x20 -#define OWNID_FS_8 0x00 -#define OWNID_FS_12 0x40 -#define OWNID_FS_16 0x80 - - /* Control register */ -#define CTRL_HSP 0x01 -#define CTRL_HA 0x02 -#define CTRL_IDI 0x04 -#define CTRL_EDI 0x08 -#define CTRL_HHP 0x10 -#define CTRL_POLLED 0x00 -#define CTRL_BURST 0x20 -#define CTRL_BUS 0x40 -#define CTRL_DMA 0x80 - - /* Timeout Period register */ -#define TIMEOUT_PERIOD_VALUE 20 /* results in 200 ms. */ - - /* Synchronous Transfer Register */ -#define STR_FSS 0x80 - - /* Destination ID register */ -#define DSTID_DPD 0x40 -#define DATA_OUT_DIR 0 -#define DATA_IN_DIR 1 -#define DSTID_SCC 0x80 - - /* Source ID register */ -#define SRCID_MASK 0x07 -#define SRCID_SIV 0x08 -#define SRCID_DSP 0x20 -#define SRCID_ES 0x40 -#define SRCID_ER 0x80 - - - -#define ILLEGAL_STATUS_BYTE 0xff - - -#define DEFAULT_SX_PER 500 /* (ns) fairly safe */ -#define DEFAULT_SX_OFF 0 /* aka async */ - -#define OPTIMUM_SX_PER 252 /* (ns) best we can do (mult-of-4) */ -#define OPTIMUM_SX_OFF 12 /* size of in2000 fifo */ - -struct sx_period { - unsigned int period_ns; - uchar reg_value; - }; - - -struct IN2000_hostdata { - struct Scsi_Host *next; - uchar chip; /* what kind of wd33c93 chip? */ - uchar microcode; /* microcode rev if 'B' */ - unsigned short io_base; /* IO port base */ - unsigned int dip_switch; /* dip switch settings */ - unsigned int hrev; /* hardware revision of card */ - volatile uchar busy[8]; /* index = target, bit = lun */ - volatile Scsi_Cmnd *input_Q; /* commands waiting to be started */ - volatile Scsi_Cmnd *selecting; /* trying to select this command */ - volatile Scsi_Cmnd *connected; /* currently connected command */ - volatile Scsi_Cmnd *disconnected_Q;/* commands waiting for reconnect */ - uchar state; /* what we are currently doing */ - uchar fifo; /* what the FIFO is up to */ - uchar level2; /* extent to which Level-2 commands are used */ - uchar disconnect; /* disconnect/reselect policy */ - unsigned int args; /* set from command-line argument */ - uchar incoming_msg[8]; /* filled during message_in phase */ - int incoming_ptr; /* mainly used with EXTENDED messages */ - uchar outgoing_msg[8]; /* send this during next message_out */ - int outgoing_len; /* length of outgoing message */ - unsigned int default_sx_per; /* default transfer period for SCSI bus */ - uchar sync_xfer[8]; /* sync_xfer reg settings per target */ - uchar sync_stat[8]; /* status of sync negotiation per target */ - uchar sync_off; /* bit mask: don't use sync with these targets */ -#ifdef PROC_INTERFACE - uchar proc; /* bit mask: what's in proc output */ -#ifdef PROC_STATISTICS - unsigned long cmd_cnt[8]; /* # of commands issued per target */ - unsigned long int_cnt; /* # of interrupts serviced */ - unsigned long disc_allowed_cnt[8]; /* # of disconnects allowed per target */ - unsigned long disc_done_cnt[8]; /* # of disconnects done per target*/ -#endif -#endif - }; - - -/* defines for hostdata->chip */ - -#define C_WD33C93 0 -#define C_WD33C93A 1 -#define C_WD33C93B 2 -#define C_UNKNOWN_CHIP 100 - -/* defines for hostdata->state */ - -#define S_UNCONNECTED 0 -#define S_SELECTING 1 -#define S_RUNNING_LEVEL2 2 -#define S_CONNECTED 3 -#define S_PRE_TMP_DISC 4 -#define S_PRE_CMP_DISC 5 - -/* defines for hostdata->fifo */ - -#define FI_FIFO_UNUSED 0 -#define FI_FIFO_READING 1 -#define FI_FIFO_WRITING 2 - -/* defines for hostdata->level2 */ -/* NOTE: only the first 3 are trustworthy at this point - - * having trouble when more than 1 device is reading/writing - * at the same time... - */ - -#define L2_NONE 0 /* no combination commands - we get lots of ints */ -#define L2_SELECT 1 /* start with SEL_ATN_XFER, but never resume it */ -#define L2_BASIC 2 /* resume after STATUS ints & RDP messages */ -#define L2_DATA 3 /* resume after DATA_IN/OUT ints */ -#define L2_MOST 4 /* resume after anything except a RESELECT int */ -#define L2_RESELECT 5 /* resume after everything, including RESELECT ints */ -#define L2_ALL 6 /* always resume */ - -/* defines for hostdata->disconnect */ - -#define DIS_NEVER 0 -#define DIS_ADAPTIVE 1 -#define DIS_ALWAYS 2 - -/* defines for hostdata->args */ - -#define DB_TEST 1<<0 -#define DB_FIFO 1<<1 -#define DB_QUEUE_COMMAND 1<<2 -#define DB_EXECUTE 1<<3 -#define DB_INTR 1<<4 -#define DB_TRANSFER 1<<5 -#define DB_MASK 0x3f - -#define A_NO_SCSI_RESET 1<<15 - - -/* defines for hostdata->sync_xfer[] */ - -#define SS_UNSET 0 -#define SS_FIRST 1 -#define SS_WAITING 2 -#define SS_SET 3 - -/* defines for hostdata->proc */ - -#define PR_VERSION 1<<0 -#define PR_INFO 1<<1 -#define PR_STATISTICS 1<<2 -#define PR_CONNECTED 1<<3 -#define PR_INPUTQ 1<<4 -#define PR_DISCQ 1<<5 -#define PR_TEST 1<<6 -#define PR_STOP 1<<7 - - -# include <linux/init.h> -# include <linux/spinlock.h> -# define in2000__INITFUNC(function) __initfunc(function) -# define in2000__INIT __init -# define in2000__INITDATA __initdata -# define CLISPIN_LOCK(host,flags) spin_lock_irqsave(host->host_lock, flags) -# define CLISPIN_UNLOCK(host,flags) spin_unlock_irqrestore(host->host_lock, \ - flags) - -static int in2000_detect(struct scsi_host_template *) in2000__INIT; -static int in2000_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); -static int in2000_abort(Scsi_Cmnd *); -static void in2000_setup(char *, int *) in2000__INIT; -static int in2000_biosparam(struct scsi_device *, struct block_device *, - sector_t, int *); -static int in2000_bus_reset(Scsi_Cmnd *); - - -#define IN2000_CAN_Q 16 -#define IN2000_SG SG_ALL -#define IN2000_CPL 2 -#define IN2000_HOST_ID 7 - -#endif /* IN2000_H */ |