diff options
Diffstat (limited to 'drivers/scsi/fdomain.c')
| -rw-r--r-- | drivers/scsi/fdomain.c | 245 |
1 files changed, 166 insertions, 79 deletions
diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 6a3159187..806dc0151 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -1,10 +1,10 @@ /* fdomain.c -- Future Domain TMC-16x0 SCSI driver * Created: Sun May 3 18:53:19 1992 by faith@cs.unc.edu - * Revised: Wed Nov 2 16:37:58 1994 by faith@cs.unc.edu + * Revised: Mon Jun 5 09:21:54 1995 by faith@cs.unc.edu * Author: Rickard E. Faith, faith@cs.unc.edu - * Copyright 1992, 1993, 1994 Rickard E. Faith + * Copyright 1992, 1993, 1994, 1995 Rickard E. Faith * - * $Id: fdomain.c,v 5.20 1994/11/02 21:38:33 root Exp $ + * $Id: fdomain.c,v 5.28 1995/06/05 13:21:57 faith Exp $ * 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 @@ -40,7 +40,8 @@ The following BIOS versions are supported: 2.0, 3.0, 3.2, 3.4, and 3.5. The following chips are supported: TMC-1800, TMC-18C50, TMC-18C30. - Reports suggest that the driver will also work with the 36C70 chip. + Reports suggest that the driver will also work with the 36C70 chip and + with the Quantum ISA-200S and ISA-250MG SCSI adapters. Please note that the drive ordering that Future Domain implemented in BIOS versions 3.4 and 3.5 is the opposite of the order (currently) used by the @@ -133,6 +134,17 @@ Thanks to Eric Kasten (tigger@petroglyph.cl.msu.edu) for providing the patch for the version 3.5 BIOS. + Thanks for Stephen Henson (shenson@nyx10.cs.du.edu) for providing the + patch for the Quantum ISA-200S SCSI adapter. + + Thanks to Adam Bowen for the signature to the 1610M/MER/MEX scsi cards, + and to Martin Andrews (andrewm@ccfadm.eeg.ccf.org) for the signature to + some random TMC-1680 repackaged by IBM. + + Thanks for Mark Singer (elf@netcom.com) and Richard Simpson + (rsimpson@ewrcsdra.demon.co.uk) for more Quantum signatures and detective + work on the Quantum RAM layout. + All of the alpha testers deserve much thanks. @@ -182,7 +194,7 @@ #include <linux/string.h> #include <linux/ioport.h> -#define VERSION "$Revision: 5.20 $" +#define VERSION "$Revision: 5.28 $" /* START OF USER DEFINABLE OPTIONS */ @@ -273,6 +285,7 @@ static void *bios_base = NULL; static int bios_major = 0; static int bios_minor = 0; static int PCI_bus = 0; +static int Quantum = 0; /* Quantum board variant */ static int interrupt_level = 0; static volatile int in_command = 0; static Scsi_Cmnd *current_SC = NULL; @@ -299,7 +312,7 @@ static int Write_SCSI_Data_port; static int FIFO_Size = 0x2000; /* 8k FIFO for pre-tmc18c30 chips */ -extern void fdomain_16x0_intr( int unused ); +extern void fdomain_16x0_intr( int irq, struct pt_regs * regs ); static void *addresses[] = { (void *)0xc8000, @@ -307,6 +320,7 @@ static void *addresses[] = { (void *)0xce000, (void *)0xde000, (void *)0xd0000, /* Extra addresses for PCI boards */ + (void *)0xe0000, }; #define ADDRESS_COUNT (sizeof( addresses ) / sizeof( unsigned )) @@ -347,17 +361,24 @@ struct signature { int sig_length; int major_bios_version; int minor_bios_version; - int PCI_bus; + int flag; /* 1 == PCI_bus, 2 == ISA_200S, 3 == ISA_250MG, 4 == ISA_200S */ } signatures[] = { /* 1 2 3 4 5 6 */ /* 123456789012345678901234567890123456789012345678901234567890 */ { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.07/28/89", 5, 50, 2, 0, 0 }, { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V1.07/28/89", 5, 50, 2, 0, 0 }, + { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.07/28/89", 72, 50, 2, 0, 2 }, + { "FUTURE DOMAIN CORP. (C) 1986-1990 1800-V2.0", 73, 43, 2, 0, 3 }, + { "FUTURE DOMAIN CORP. (C) 1991 1800-V2.0.", 72, 39, 2, 0, 4 }, { "FUTURE DOMAIN CORP. (C) 1992 V3.00.004/02/92", 5, 44, 3, 0, 0 }, { "FUTURE DOMAIN TMC-18XX (C) 1993 V3.203/12/93", 5, 44, 3, 2, 0 }, + { "IBM F1 P2 BIOS v1.0104/29/93", 5, 28, 3, -1, 0 }, { "Future Domain Corp. V1.0008/18/93", 5, 33, 3, 4, 0 }, - { "FUTURE DOMAIN CORP. V3.5008/18/93", 5, 34, 3, 5, 0 }, { "Future Domain Corp. V1.0008/18/93", 26, 33, 3, 4, 1 }, + /* This next signature may not be a 3.5 bios */ + { "Future Domain Corp. V2.0108/18/93", 5, 33, 3, 5, 0 }, + { "FUTURE DOMAIN CORP. V3.5008/18/93", 5, 34, 3, 5, 0 }, + { "FUTURE DOMAIN 18c30/18c50/1800 (C) 1994 V3.5", 5, 44, 3, 5, 0 }, { "FUTURE DOMAIN TMC-18XX", 5, 22, -1, -1, 0 }, /* READ NOTICE ABOVE *BEFORE* YOU WASTE YOUR TIME ADDING A SIGNATURE @@ -370,27 +391,38 @@ struct signature { geometry information in the on-board RAM area for each of the first three BIOS's, it is still important to enter a fully qualified signature in the table for any new BIOS's (after the host SCSI ID and - geometry location are verified.) */ + geometry location are verified). */ }; #define SIGNATURE_COUNT (sizeof( signatures ) / sizeof( struct signature )) -static void print_banner( struct Scsi_Host * shpnt ) +static void print_banner( struct Scsi_Host *shpnt ) { - printk( "%s", fdomain_16x0_info(shpnt) ); - printk( "Future Domain: BIOS version %d.%d, %s\n", - bios_major, bios_minor, + if (!shpnt) return; /* This won't ever happen */ + + printk( "scsi%d <fdomain>: BIOS version ", shpnt->host_no ); + + if (bios_major >= 0) printk( "%d.", bios_major ); + else printk( "?." ); + + if (bios_minor >= 0) printk( "%d", bios_minor ); + else printk( "?." ); + + printk( " at 0x%x using scsi id %d\n", + (unsigned)bios_base, shpnt->this_id ); + + printk( "scsi%d <fdomain>: %s chip at 0x%x irq ", + shpnt->host_no, chip == tmc1800 ? "TMC-1800" : (chip == tmc18c50 ? "TMC-18C50" - : (chip == tmc18c30 ? "TMC-18C30" : "Unknown")) ); - - if (interrupt_level) { - printk( "Future Domain: BIOS at %x; port base at %x; using IRQ %d\n", - (unsigned)bios_base, port_base, interrupt_level ); - } else { - printk( "Future Domain: BIOS at %x; port base at %x; *NO* IRQ\n", - (unsigned)bios_base, port_base ); - } + : (chip == tmc18c30 ? "TMC-18C30" : "Unknown")), + port_base ); + + if (interrupt_level) printk( "%d", interrupt_level ); + else printk( "<none>" ); + + if (PCI_bus) printk( " (PCI bus)" ); + printk( "\n" ); } static void do_pause( unsigned amount ) /* Pause for amount*10 milliseconds */ @@ -509,6 +541,7 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) int i, j; int flag = 0; int retcode; + struct Scsi_Host *shpnt; #if DO_DETECT const int buflen = 255; Scsi_Cmnd SCinit; @@ -532,7 +565,8 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) signatures[j].signature, signatures[j].sig_length )) { bios_major = signatures[j].major_bios_version; bios_minor = signatures[j].minor_bios_version; - PCI_bus = signatures[j].PCI_bus; + PCI_bus = (signatures[j].flag == 1); + Quantum = (signatures[j].flag > 1) ? signatures[j].flag : 0; bios_base = addresses[i]; } } @@ -554,8 +588,21 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) DOS (this geometry has nothing to do with physical geometry). */ - port_base = *((char *)bios_base + 0x1fcc) - + (*((char *)bios_base + 0x1fcd) << 8); + switch (Quantum) { + case 2: /* ISA_200S */ + case 3: /* ISA_250MG */ + port_base = *((char *)bios_base + 0x1fa2) + + (*((char *)bios_base + 0x1fa3) << 8); + break; + case 4: /* ISA_200S (another one) */ + port_base = *((char *)bios_base + 0x1fa3) + + (*((char *)bios_base + 0x1fa4) << 8); + break; + default: + port_base = *((char *)bios_base + 0x1fcc) + + (*((char *)bios_base + 0x1fcd) << 8); + break; + } #if DEBUG_DETECT printk( " %x,", port_base ); @@ -617,7 +664,7 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) scan more addresses. If you have to modify this section for your installation, please send mail to faith@cs.unc.edu. */ - for (i = 0xff00; !flag && i > 0xf000; i -= 8) { + for (i = 0xfff8; !flag && i > 0xe000; i -= 8) { port_base = i; if (check_region( port_base, 0x10 )) { #if DEBUG_DETECT @@ -637,8 +684,6 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) return 0; /* Cannot find valid set of ports */ } - print_banner(NULL); - SCSI_Mode_Cntl_port = port_base + SCSI_Mode_Cntl; FIFO_Data_Count_port = port_base + FIFO_Data_Count; Interrupt_Cntl_port = port_base + Interrupt_Cntl; @@ -657,48 +702,51 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) if (fdomain_test_loopback()) { #if DEBUG_DETECT - printk( "Future Domain: LOOPBACK TEST FAILED, FAILING DETECT!\n" ); + printk( "fdomain: LOOPBACK TEST FAILED, FAILING DETECT!\n" ); #endif return 0; - } /* Log IRQ with kernel */ - + } + + if ((bios_major == 3 && bios_minor >= 2) || bios_major < 0) { + adapter_mask = 0x80; + tpnt->this_id = 7; + } + + /* Print out a banner here in case we can't + get resources. */ + + shpnt = scsi_register( tpnt, 0 ); + print_banner( shpnt ); + + /* Log IRQ with kernel */ if (!interrupt_level) { - panic( "Future Domain: *NO* interrupt level selected!\n" ); + panic( "fdomain: *NO* interrupt level selected!\n" ); } else { /* Register the IRQ with the kernel */ - retcode = request_irq( interrupt_level, fdomain_16x0_intr, SA_INTERRUPT, "FDomain"); + retcode = request_irq( interrupt_level, + fdomain_16x0_intr, SA_INTERRUPT, "fdomain" ); if (retcode < 0) { if (retcode == -EINVAL) { - printk( "Future Domain: IRQ %d is bad!\n", interrupt_level ); - printk( " This shouldn't happen!\n" ); - printk( " Send mail to faith@cs.unc.edu\n" ); + printk( "fdomain: IRQ %d is bad!\n", interrupt_level ); + printk( " This shouldn't happen!\n" ); + printk( " Send mail to faith@cs.unc.edu\n" ); } else if (retcode == -EBUSY) { - printk( "Future Domain: IRQ %d is already in use!\n", - interrupt_level ); - printk( " Please use another IRQ!\n" ); + printk( "fdomain: IRQ %d is already in use!\n", interrupt_level ); + printk( " Please use another IRQ!\n" ); } else { - printk( "Future Domain: Error getting IRQ %d\n", interrupt_level ); - printk( " This shouldn't happen!\n" ); - printk( " Send mail to faith@cs.unc.edu\n" ); + printk( "fdomain: Error getting IRQ %d\n", interrupt_level ); + printk( " This shouldn't happen!\n" ); + printk( " Send mail to faith@cs.unc.edu\n" ); } - panic( "Future Domain: Driver requires interruptions\n" ); - } else { - printk( "Future Domain: IRQ %d requested from kernel\n", - interrupt_level ); + panic( "fdomain: Driver requires interruptions\n" ); } } /* Log I/O ports with kernel */ + request_region( port_base, 0x10, "fdomain" ); - snarf_region( port_base, 0x10 ); - - if ((bios_major == 3 && bios_minor >= 2) || bios_major < 0) { - adapter_mask = 0x80; - tpnt->this_id = 7; - } - #if DO_DETECT /* These routines are here because of the way the SCSI bus behaves after @@ -713,7 +761,7 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) SCinit.use_sg = 0; SCinit.lun = 0; - printk( "Future Domain detection routine scanning for devices:\n" ); + printk( "fdomain: detection routine scanning for devices:\n" ); for (i = 0; i < 8; i++) { SCinit.target = i; if (i == tpnt->this_id) /* Skip host adapter */ @@ -752,15 +800,15 @@ int fdomain_16x0_detect( Scsi_Host_Template *tpnt ) } #endif - return 1; + return 1; /* Maximum of one adapter will be detected. */ } -const char *fdomain_16x0_info(struct Scsi_Host * shpnt) +const char *fdomain_16x0_info( struct Scsi_Host *ignore ) { static char buffer[80]; char *pt; - strcpy( buffer, "Future Domain: TMC-16x0 SCSI driver, version" ); + strcpy( buffer, "Future Domain TMC-16x0 SCSI driver, version" ); if (strchr( VERSION, ':')) { /* Assume VERSION is an RCS Revision string */ strcat( buffer, strchr( VERSION, ':' ) + 1 ); pt = strrchr( buffer, '$') - 1; @@ -768,10 +816,9 @@ const char *fdomain_16x0_info(struct Scsi_Host * shpnt) pt = buffer + strlen( buffer ) - 1; if (*pt != ' ') ++pt; - *pt++ = '\n'; *pt = '\0'; } else { /* Assume VERSION is a number */ - strcat( buffer, " " VERSION "\n" ); + strcat( buffer, " " VERSION ); } return buffer; @@ -805,7 +852,7 @@ static int fdomain_arbitrate( void ) printk( "Arbitration failed, status = %x\n", status ); #endif #if ERRORS_ONLY - printk( "Future Domain: Arbitration failed, status = %x\n", status ); + printk( "fdomain: Arbitration failed, status = %x\n", status ); #endif return 1; } @@ -845,7 +892,7 @@ static int fdomain_select( int target ) if (chip == tmc18c30 && !flag) /* Skip first failure for 18C30 chips. */ ++flag; else - printk( "Future Domain: Selection failed\n" ); + printk( "fdomain: Selection failed\n" ); } #endif return 1; @@ -860,22 +907,28 @@ void my_done( int error ) current_SC->result = error; if (current_SC->scsi_done) current_SC->scsi_done( current_SC ); - else panic( "Future Domain: current_SC->scsi_done() == NULL" ); + else panic( "fdomain: current_SC->scsi_done() == NULL" ); } else { - panic( "Future Domain: my_done() called outside of command\n" ); + panic( "fdomain: my_done() called outside of command\n" ); } #if DEBUG_RACE in_interrupt_flag = 0; #endif } -void fdomain_16x0_intr( int unused ) +void fdomain_16x0_intr( int irq, struct pt_regs * regs ) { int status; int done = 0; unsigned data_count; - sti(); + /* The fdomain_16x0_intr is only called via + the interrupt handler. The goal of the + sti() here is to allow other + interruptions while this routine is + running. */ + + sti(); /* Yes, we really want sti() here */ outb( 0x00, Interrupt_Cntl_port ); @@ -985,9 +1038,9 @@ void fdomain_16x0_intr( int unused ) #endif #if ERRORS_ONLY if (current_SC->SCp.Status && current_SC->SCp.Status != 2) { - printk( "Future Domain: target = %d, command = %x, " - "Status = %x\n", - current_SC->target, current_SC->cmnd[0], + printk( "fdomain: target = %d, command = %x, status = %x\n", + current_SC->target, + current_SC->cmnd[0], current_SC->SCp.Status ); } #endif @@ -1003,8 +1056,7 @@ void fdomain_16x0_intr( int unused ) if (!current_SC->SCp.Message) ++done; #if DEBUG_MESSAGES || EVERY_ACCESS if (current_SC->SCp.Message) { - printk( "Future Domain: Message = %x\n", - current_SC->SCp.Message ); + printk( "fdomain: message = %x\n", current_SC->SCp.Message ); } #endif break; @@ -1265,7 +1317,7 @@ void fdomain_16x0_intr( int unused ) || code == 0x24 || !code))) - printk( "Future Domain: REQUEST SENSE " + printk( "fdomain: REQUEST SENSE " "Key = %x, Code = %x, Qualifier = %x\n", key, code, qualifier ); } @@ -1297,7 +1349,7 @@ void fdomain_16x0_intr( int unused ) int fdomain_16x0_queue( Scsi_Cmnd * SCpnt, void (*done)(Scsi_Cmnd *)) { if (in_command) { - panic( "Future Domain: fdomain_16x0_queue() NOT REENTRANT!\n" ); + panic( "fdomain: fdomain_16x0_queue() NOT REENTRANT!\n" ); } #if EVERY_ACCESS printk( "queue: target = %d cmnd = 0x%02x pieces = %d size = %u\n", @@ -1375,8 +1427,13 @@ void print_info( Scsi_Cmnd *SCpnt ) unsigned int imr; unsigned int irr; unsigned int isr; + + if (!SCpnt || !SCpnt->host) { + printk( "fdomain: cannot provide detailed information\n" ); + } - print_banner(SCpnt->host); + printk( "%s\n", fdomain_16x0_info( SCpnt->host ) ); + print_banner( SCpnt->host ); switch (SCpnt->SCp.phase) { case in_arbitration: printk( "arbitration " ); break; case in_selection: printk( "selection " ); break; @@ -1436,16 +1493,18 @@ void print_info( Scsi_Cmnd *SCpnt ) int fdomain_16x0_abort( Scsi_Cmnd *SCpnt) { + unsigned long flags; #if EVERY_ACCESS || ERRORS_ONLY || DEBUG_ABORT - printk( "Future Domain: Abort " ); + printk( "fdomain: abort " ); #endif + save_flags( flags ); cli(); if (!in_command) { #if EVERY_ACCESS || ERRORS_ONLY printk( " (not in command)\n" ); #endif - sti(); + restore_flags( flags ); return SCSI_ABORT_NOT_RUNNING; } @@ -1459,7 +1518,7 @@ int fdomain_16x0_abort( Scsi_Cmnd *SCpnt) current_SC->result = DID_ABORT << 16; - sti(); + restore_flags( flags ); /* Aborts are not done well. . . */ my_done( DID_ABORT << 16 ); @@ -1474,7 +1533,7 @@ int fdomain_16x0_reset( Scsi_Cmnd *SCpnt ) #endif #if ERRORS_ONLY - printk( "Future Domain: SCSI Bus Reset\n" ); + if (SCpnt) printk( "fdomain: SCSI Bus Reset\n" ); #endif #if DEBUG_RESET @@ -1540,6 +1599,17 @@ int fdomain_16x0_biosparam( Scsi_Disk *disk, int dev, int *info_array ) The table at 0x1fcc are I/O ports addresses for the various operations. I calculate these by hand in this driver code. + + + For the ISA-200S version of BIOS Version 2.0: + + The drive parameter table starts at 0x1f33. + + WARNING: Assume that the table entry is 25 bytes long. Someone needs + to check this for the Quantum ISA-200S card. + + + For BIOS Version 3.2: The drive parameter table starts at 0x1f70. Each entry is @@ -1549,11 +1619,28 @@ int fdomain_16x0_biosparam( Scsi_Disk *disk, int dev, int *info_array ) drive = MINOR(dev) / 16; if (bios_major == 2) { - i = (struct drive_info *)( (char *)bios_base + 0x1f31 + drive * 25 ); + switch (Quantum) { + case 2: /* ISA_200S */ + /* The value of 25 has never been verified. + It should probably be 15. */ + i = (struct drive_info *)( (char *)bios_base + 0x1f33 + drive * 25 ); + break; + case 3: /* ISA_250MG */ + i = (struct drive_info *)( (char *)bios_base + 0x1f36 + drive * 15 ); + break; + case 4: /* ISA_200S (another one) */ + i = (struct drive_info *)( (char *)bios_base + 0x1f34 + drive * 15 ); + break; + default: + i = (struct drive_info *)( (char *)bios_base + 0x1f31 + drive * 25 ); + break; + } info_array[0] = i->heads; info_array[1] = i->sectors; info_array[2] = i->cylinders; - } else if (bios_major == 3 && bios_minor < 4) { /* 3.0 and 3.2 BIOS */ + } else if (bios_major == 3 + && bios_minor >= 0 + && bios_minor < 4) { /* 3.0 and 3.2 BIOS */ i = (struct drive_info *)( (char *)bios_base + 0x1f71 + drive * 10 ); info_array[0] = i->heads + 1; info_array[1] = i->sectors; |