patch-1.3.97 linux/drivers/scsi/in2000.h
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- Lines: 504
- Date:
Sun Apr 28 12:13:45 1996
- Orig file:
v1.3.96/linux/drivers/scsi/in2000.h
- Orig date:
Mon Sep 18 08:54:09 1995
diff -u --recursive --new-file v1.3.96/linux/drivers/scsi/in2000.h linux/drivers/scsi/in2000.h
@@ -1,122 +1,396 @@
-#ifndef _IN2000_H
-
-/* $Id: in2000.h,v 1.2 1994/08/25 06:27:38 root Exp root $
+/*
+ * in2000.h - Linux device driver definitions for the
+ * Always IN2000 ISA SCSI card.
+ *
+ * IMPORTANT: This file is for version 1.28 - 27/Apr/1996
+ *
+ * Copyright (c) 1996 John Shifflett, GeoLog Consulting
+ * john@geolog.com
+ * jshiffle@netcom.com
*
- * Header file for the Always IN 2000 driver for Linux
+ * 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.
*
*/
-#include <linux/types.h>
-#include <linux/ioport.h>
+#ifndef IN2000_H
+#define IN2000_H
-/* The IN-2000 is based on a WD33C93 */
+#include <asm/io.h>
+
+/* We include version.h to get 'LINUX_VERSION_CODE' - a define used here
+ * and there in the source to get around various compatibility problems:
+ * - pre-1.3.xx kernels didn't have 'kdev_t' or proc, and their
+ * <blk.h> was in a different place.
+ * - 1.3.70 introduced an additional argument for interrupt functions
+ * - 1.3.89 added an argument to in2000_reset(), which we don't really
+ * use at the moment. But for completeness...
+ */
+#include <linux/version.h>
+
+
+#define uchar unsigned char
+
+
+/* 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 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 */
+ uchar proc; /* bit mask: what's in proc output */
+ };
+
+
+/* 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_TOTALS 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
-#define INSTAT (base + 0x0) /* R: Auxiliary Status; W: register select */
-#define INDATA (base + 0x1) /* R/W: Data port */
-#define INFIFO (base + 0x2) /* R/W FIFO, Word access only */
-#define INREST (base + 0x3) /* W: Reset everything */
-#define INFCNT (base + 0x4) /* R: FIFO byte count */
-#define INFRST (base + 0x5) /* W: Reset Fifo count and to write */
-#define INFWRT (base + 0x7) /* W: Set FIFO to read */
-#define INFLED (base + 0x8) /* W: Set LED; R: Dip Switch settings */
-#define INNLED (base + 0x9) /* W: reset LED */
-#define INVERS (base + 0xa) /* R: Read hw version, end-reset */
-#define ININTR (base + 0xc) /* W: Interrupt Mask Port */
-#define G2CNTRL_HRDY 0x20 /* Sets HOST ready */
-
-/* WD33C93 defines */
-#define OWNID 0
-#undef CONTROL
-#define CONTROL 1
-#define TIMEOUT 2
-#define TOTSECT 3
-#define TOTHEAD 4
-#define TOTCYLH 5
-#define TOTCYLL 6
-#define LADRSHH 7
-#define LADRSHL 8
-#define LADRSLH 9
-#define LADRSLL 10
-#define SECTNUM 11
-#define HEADNUM 12
-#define CYLNUMH 13
-#define CYLNUML 14
-#define TARGETU 15
-#define CMDPHAS 16
-#define SYNCTXR 17
-#define TXCNTH 18
-#define TXCNTM 19
-#define TXCNTL 20
-#define DESTID 21
-#define SRCID 22
-#define SCSIST 23
-#define COMMAND 24
-#define WDDATA 25
-#define AUXSTAT 31
-
-/* OWNID Register Bits */
-#define OWN_EAF 0x08
-#define OWN_EHP 0x10
-#define OWN_FS0 0x40
-#define OWN_FS1 0x80
-/* AUX Register Bits */
-#define AUX_DBR 0
-#define AUX_PE 1
-#define AUX_CIP 0x10
-#define AUX_BSY 0x20
-#define AUX_LCI 0x40
-#define AUX_INT 0x80
-
-/* Select timeout const, 1 count = 8ms */
-#define IN2000_TMOUT 0x1f
-
-/* These belong in scsi.h also */
-#undef any2scsi
-#define any2scsi(up, p) \
-(up)[0] = (((unsigned long)(p)) >> 16); \
-(up)[1] = (((unsigned long)(p)) >> 8); \
-(up)[2] = ((unsigned long)(p));
-
-#undef scsi2int
-#define scsi2int(up) ( ((((long)*(up))&0x1f) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
-
-#undef xany2scsi
-#define xany2scsi(up, p) \
-(up)[0] = ((long)(p)) >> 24; \
-(up)[1] = ((long)(p)) >> 16; \
-(up)[2] = ((long)(p)) >> 8; \
-(up)[3] = ((long)(p));
-
-#define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
- + (((long)(up)[2]) << 8) + ((long)(up)[3]) )
-
-#define MAX_CDB 12
-#define MAX_SENSE 14
-#define MAX_STATUS 32
int in2000_detect(Scsi_Host_Template *);
-int in2000_command(Scsi_Cmnd *);
int in2000_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
int in2000_abort(Scsi_Cmnd *);
+void in2000_setup(char *, int *);
+int in2000_proc_info(char *, char **, off_t, int, int, int);
+struct proc_dir_entry proc_scsi_in2000;
+
+#if LINUX_VERSION_CODE >= 0x010300
+int in2000_biosparam(struct scsi_disk *, kdev_t, int *);
+#else
+int in2000_biosparam(Disk *, int, int *);
+#endif
+#if LINUX_VERSION_CODE >= 0x010359 /* 1.3.89 */
+int in2000_reset(Scsi_Cmnd *, unsigned int);
+#else
int in2000_reset(Scsi_Cmnd *);
-int in2000_biosparam(Disk *, kdev_t, int*);
-
-#ifndef NULL
- #define NULL 0
#endif
-/* next may be "SG_NONE" or "SG_ALL" or nr. of (1k) blocks per R/W Cmd. */
-#define IN2000_SG SG_ALL
-#define IN2000 {NULL, NULL, \
- NULL, NULL, \
- "Always IN2000", in2000_detect, NULL, \
- NULL, in2000_command, \
- in2000_queuecommand, \
- in2000_abort, \
- in2000_reset, \
- NULL, \
- in2000_biosparam, \
- 1, 7, IN2000_SG, 1, 0, 0}
-
+#define IN2000_CAN_Q 16
+#define IN2000_SG SG_ALL
+#define IN2000_CPL 2
+#define IN2000_HOST_ID 7
+
+#if LINUX_VERSION_CODE >= 0x010300
+#define IN2000 { NULL, /* link pointer for modules */ \
+ NULL, /* usage_count for modules */ \
+ &proc_scsi_in2000, /* pointer to /proc/scsi directory entry */ \
+ in2000_proc_info, /* pointer to proc info function */ \
+ "Always IN2000", /* device name */ \
+ in2000_detect, /* returns number of in2000's found */ \
+ NULL, /* optional unload function for modules */ \
+ NULL, /* optional misc info function */ \
+ NULL, /* send scsi command, wait for completion */ \
+ in2000_queuecommand, /* queue scsi command, don't wait */ \
+ in2000_abort, /* abort current command */ \
+ in2000_reset, /* reset scsi bus */ \
+ NULL, /* slave_attach - unused */ \
+ in2000_biosparam, /* figures out BIOS parameters for lilo, etc */ \
+ IN2000_CAN_Q, /* max commands we can queue up */ \
+ IN2000_HOST_ID, /* host-adapter scsi id */ \
+ IN2000_SG, /* scatter-gather table size */ \
+ IN2000_CPL, /* commands per lun */ \
+ 0, /* board counter */ \
+ 0, /* unchecked dma */ \
+ DISABLE_CLUSTERING \
+ }
+
+#else
+#define IN2000 { NULL, /* link pointer for modules */ \
+ NULL, /* usage_count for modules */ \
+/* NULL,*/ /* pointer to /proc/scsi directory entry */ \
+/* NULL,*/ /* pointer to proc info function */ \
+ "Always IN2000", /* device name */ \
+ in2000_detect, /* returns number of in2000's found */ \
+ NULL, /* optional unload function for modules */ \
+ NULL, /* optional misc info function */ \
+ NULL, /* send scsi command, wait for completion */ \
+ in2000_queuecommand, /* queue scsi command, don't wait */ \
+ in2000_abort, /* abort current command */ \
+ in2000_reset, /* reset scsi bus */ \
+ NULL, /* slave_attach - unused */ \
+ in2000_biosparam, /* figures out BIOS parameters for lilo, etc */ \
+ IN2000_CAN_Q, /* max commands we can queue up */ \
+ IN2000_HOST_ID, /* host-adapter scsi id */ \
+ IN2000_SG, /* scatter-gather table size */ \
+ IN2000_CPL, /* commands per lun */ \
+ 0, /* board counter */ \
+ 0, /* unchecked dma */ \
+ DISABLE_CLUSTERING \
+ }
#endif
+
+
+#endif /* IN2000_H */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov
with Sam's (original) version of this