patch-2.4.22 linux-2.4.22/drivers/acorn/scsi/eesox.c
Next file: linux-2.4.22/drivers/acorn/scsi/fas216.c
Previous file: linux-2.4.22/drivers/acorn/scsi/cumana_2.c
Back to the patch index
Back to the overall index
- Lines: 846
- Date:
2003-08-25 04:44:40.000000000 -0700
- Orig file:
linux-2.4.21/drivers/acorn/scsi/eesox.c
- Orig date:
2001-11-04 09:31:57.000000000 -0800
diff -urN linux-2.4.21/drivers/acorn/scsi/eesox.c linux-2.4.22/drivers/acorn/scsi/eesox.c
@@ -1,7 +1,7 @@
/*
* linux/drivers/acorn/scsi/eesox.c
*
- * Copyright (C) 1997-2000 Russell King
+ * Copyright (C) 1997-2003 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -29,8 +29,6 @@
#include <linux/ioport.h>
#include <linux/sched.h>
#include <linux/proc_fs.h>
-#include <linux/unistd.h>
-#include <linux/stat.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/init.h>
@@ -44,14 +42,10 @@
#include "../../scsi/sd.h"
#include "../../scsi/hosts.h"
#include "fas216.h"
+#include "scsi.h"
#include <scsi/scsicam.h>
-/* Configuration */
-#define EESOX_XTALFREQ 40
-#define EESOX_ASYNC_PERIOD 200
-#define EESOX_SYNC_DEPTH 7
-
/*
* List of devices that the driver will recognise
*/
@@ -60,7 +54,7 @@
#define EESOX_FAS216_OFFSET 0xc00
#define EESOX_FAS216_SHIFT 3
-#define EESOX_STATUS 0xa00
+#define EESOX_DMASTAT 0xa00
#define EESOX_STAT_INTR 0x01
#define EESOX_STAT_DMA 0x02
@@ -69,16 +63,12 @@
#define EESOX_TERM_ENABLE 0x02
#define EESOX_RESET 0x01
-#define EESOX_DMA_OFFSET 0xe00
+#define EESOX_DMADATA 0xe00
/*
* Version
*/
-#define VER_MAJOR 0
-#define VER_MINOR 0
-#define VER_PATCH 3
-
-static struct expansion_card *ecs[MAX_ECARDS];
+#define VERSION "1.10 (22/01/2003 2.4.19-rmk5)"
/*
* Use term=0,1,0,0,0 to turn terminators on/off
@@ -87,20 +77,15 @@
#define NR_SG 256
-struct control {
- unsigned int io_port;
- unsigned int control;
+struct eesoxscsi_info {
+ FAS216_Info info;
+ struct expansion_card *ec;
+
+ unsigned int ctl_port;
+ unsigned int control;
+ struct scatterlist sg[NR_SG]; /* Scatter DMA list */
};
-typedef struct {
- FAS216_Info info;
-
- struct control control;
-
- unsigned int dmaarea; /* Pseudo DMA area */
- struct scatterlist sg[NR_SG]; /* Scatter DMA list */
-} EESOXScsi_Info;
-
/* Prototype: void eesoxscsi_irqenable(ec, irqnr)
* Purpose : Enable interrupts on EESOX SCSI card
* Params : ec - expansion card structure
@@ -109,11 +94,11 @@
static void
eesoxscsi_irqenable(struct expansion_card *ec, int irqnr)
{
- struct control *control = (struct control *)ec->irq_data;
+ struct eesoxscsi_info *info = (struct eesoxscsi_info *)ec->irq_data;
- control->control |= EESOX_INTR_ENABLE;
+ info->control |= EESOX_INTR_ENABLE;
- outb(control->control, control->io_port);
+ outb(info->control, info->ctl_port);
}
/* Prototype: void eesoxscsi_irqdisable(ec, irqnr)
@@ -124,20 +109,16 @@
static void
eesoxscsi_irqdisable(struct expansion_card *ec, int irqnr)
{
- struct control *control = (struct control *)ec->irq_data;
+ struct eesoxscsi_info *info = (struct eesoxscsi_info *)ec->irq_data;
- control->control &= ~EESOX_INTR_ENABLE;
+ info->control &= ~EESOX_INTR_ENABLE;
- outb(control->control, control->io_port);
+ outb(info->control, info->ctl_port);
}
static const expansioncard_ops_t eesoxscsi_ops = {
- eesoxscsi_irqenable,
- eesoxscsi_irqdisable,
- NULL,
- NULL,
- NULL,
- NULL
+ .irqenable = eesoxscsi_irqenable,
+ .irqdisable = eesoxscsi_irqdisable,
};
/* Prototype: void eesoxscsi_terminator_ctl(*host, on_off)
@@ -148,17 +129,17 @@
static void
eesoxscsi_terminator_ctl(struct Scsi_Host *host, int on_off)
{
- EESOXScsi_Info *info = (EESOXScsi_Info *)host->hostdata;
+ struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
unsigned long flags;
save_flags_cli(flags);
if (on_off)
- info->control.control |= EESOX_TERM_ENABLE;
+ info->control |= EESOX_TERM_ENABLE;
else
- info->control.control &= ~EESOX_TERM_ENABLE;
- restore_flags(flags);
+ info->control &= ~EESOX_TERM_ENABLE;
- outb(info->control.control, info->control.io_port);
+ outb(info->control, info->ctl_port);
+ restore_flags(flags);
}
/* Prototype: void eesoxscsi_intr(irq, *dev_id, *regs)
@@ -170,9 +151,7 @@
static void
eesoxscsi_intr(int irq, void *dev_id, struct pt_regs *regs)
{
- struct Scsi_Host *host = (struct Scsi_Host *)dev_id;
-
- fas216_intr(host);
+ fas216_intr(dev_id);
}
/* Prototype: fasdmatype_t eesoxscsi_dma_setup(host, SCpnt, direction, min_type)
@@ -187,32 +166,26 @@
eesoxscsi_dma_setup(struct Scsi_Host *host, Scsi_Pointer *SCp,
fasdmadir_t direction, fasdmatype_t min_type)
{
- EESOXScsi_Info *info = (EESOXScsi_Info *)host->hostdata;
+ struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
int dmach = host->dma_channel;
if (dmach != NO_DMA &&
(min_type == fasdma_real_all || SCp->this_residual >= 512)) {
- int bufs = SCp->buffers_residual;
- int pci_dir, dma_dir;
+ int bufs, map_dir, dma_dir;
- if (bufs)
- memcpy(info->sg + 1, SCp->buffer + 1,
- sizeof(struct scatterlist) * bufs);
- info->sg[0].address = SCp->ptr;
- info->sg[0].page = NULL;
- info->sg[0].length = SCp->this_residual;
+ bufs = copy_SCp_to_sg(&info->sg[0], SCp, NR_SG);
if (direction == DMA_OUT)
- pci_dir = PCI_DMA_TODEVICE,
+ map_dir = PCI_DMA_TODEVICE,
dma_dir = DMA_MODE_WRITE;
else
- pci_dir = PCI_DMA_FROMDEVICE,
+ map_dir = PCI_DMA_FROMDEVICE,
dma_dir = DMA_MODE_READ;
- pci_map_sg(NULL, info->sg, bufs + 1, pci_dir);
+ pci_map_sg(NULL, info->sg, bufs, map_dir);
disable_dma(dmach);
- set_dma_sg(dmach, info->sg, bufs + 1);
+ set_dma_sg(dmach, info->sg, bufs);
set_dma_mode(dmach, dma_dir);
enable_dma(dmach);
return fasdma_real_all;
@@ -225,215 +198,174 @@
return fasdma_pseudo;
}
-static void
-eesoxscsi_dma_pseudo(struct Scsi_Host *host, Scsi_Pointer *SCp,
- fasdmadir_t dir, int transfer_size)
+static void eesoxscsi_buffer_in(void *buf, int length, unsigned long base)
{
- EESOXScsi_Info *info = (EESOXScsi_Info *)host->hostdata;
- unsigned int status;
- unsigned int length = SCp->this_residual;
- union {
- unsigned char *c;
- unsigned short *s;
- unsigned long *l;
- } buffer;
+ const unsigned long reg_fas = base + EESOX_FAS216_OFFSET;
+ const unsigned long reg_dmastat = base + EESOX_DMASTAT;
+ const unsigned long reg_dmadata = base + EESOX_DMADATA;
+
+ do {
+ unsigned int status;
+
+ /*
+ * Interrupt request?
+ */
+ status = inb(reg_fas + (REG_STAT << EESOX_FAS216_SHIFT));
+ if (status & STAT_INT)
+ break;
- buffer.c = SCp->ptr;
+ /*
+ * DMA request active?
+ */
+ status = inb(reg_dmastat);
+ if (!(status & EESOX_STAT_DMA))
+ continue;
+
+ /*
+ * Get number of bytes in FIFO
+ */
+ status = inb(reg_fas + (REG_CFIS << EESOX_FAS216_SHIFT)) & CFIS_CF;
+ if (status > 16)
+ status = 16;
+ if (status > length)
+ status = length;
+
+ /*
+ * Align buffer.
+ */
+ if (((u32)buf) & 2 && status >= 2) {
+ *((u16 *)buf)++ = inw(reg_dmadata);
+ status -= 2;
+ length -= 2;
+ }
- status = inb(host->io_port + EESOX_STATUS);
- if (dir == DMA_IN) {
- while (length > 8) {
- if (status & EESOX_STAT_DMA) {
- unsigned long l1, l2;
-
- l1 = inw(info->dmaarea);
- l1 |= inw(info->dmaarea) << 16;
- l2 = inw(info->dmaarea);
- l2 |= inw(info->dmaarea) << 16;
- *buffer.l++ = l1;
- *buffer.l++ = l2;
- length -= 8;
- } else if (status & EESOX_STAT_INTR)
- goto end;
- status = inb(host->io_port + EESOX_STATUS);
- }
-
- while (length > 1) {
- if (status & EESOX_STAT_DMA) {
- *buffer.s++ = inw(info->dmaarea);
- length -= 2;
- } else if (status & EESOX_STAT_INTR)
- goto end;
- status = inb(host->io_port + EESOX_STATUS);
- }
-
- while (length > 0) {
- if (status & EESOX_STAT_DMA) {
- *buffer.c++ = inw(info->dmaarea);
- length -= 1;
- } else if (status & EESOX_STAT_INTR)
- goto end;
- status = inb(host->io_port + EESOX_STATUS);
+ if (status >= 8) {
+ unsigned long l1, l2;
+
+ l1 = inw(reg_dmadata);
+ l1 |= inw(reg_dmadata) << 16;
+ l2 = inw(reg_dmadata);
+ l2 |= inw(reg_dmadata) << 16;
+ *((u32 *)buf)++ = l1;
+ *((u32 *)buf)++ = l2;
+ length -= 8;
+ continue;
}
- } else {
- while (length > 8) {
- if (status & EESOX_STAT_DMA) {
- unsigned long l1, l2;
-
- l1 = *buffer.l++;
- l2 = *buffer.l++;
-
- outw(l1, info->dmaarea);
- outw(l1 >> 16, info->dmaarea);
- outw(l2, info->dmaarea);
- outw(l2 >> 16, info->dmaarea);
- length -= 8;
- } else if (status & EESOX_STAT_INTR)
- goto end;
- status = inb(host->io_port + EESOX_STATUS);
- }
-
- while (length > 1) {
- if (status & EESOX_STAT_DMA) {
- outw(*buffer.s++, info->dmaarea);
- length -= 2;
- } else if (status & EESOX_STAT_INTR)
- goto end;
- status = inb(host->io_port + EESOX_STATUS);
- }
-
- while (length > 0) {
- if (status & EESOX_STAT_DMA) {
- outw(*buffer.c++, info->dmaarea);
- length -= 1;
- } else if (status & EESOX_STAT_INTR)
- goto end;
- status = inb(host->io_port + EESOX_STATUS);
+
+ if (status >= 4) {
+ unsigned long l1;
+
+ l1 = inw(reg_dmadata);
+ l1 |= inw(reg_dmadata) << 16;
+ *((u32 *)buf)++ = l1;
+ length -= 4;
+ continue;
}
- }
-end:
-}
-/* Prototype: int eesoxscsi_dma_stop(host, SCpnt)
- * Purpose : stops DMA/PIO
- * Params : host - host
- * SCpnt - command
- */
-static void
-eesoxscsi_dma_stop(struct Scsi_Host *host, Scsi_Pointer *SCp)
-{
- if (host->dma_channel != NO_DMA)
- disable_dma(host->dma_channel);
+ if (status >= 2) {
+ *((u16 *)buf)++ = inw(reg_dmadata);
+ length -= 2;
+ }
+ } while (length);
}
-/* Prototype: int eesoxscsi_detect(Scsi_Host_Template * tpnt)
- * Purpose : initialises EESOX SCSI driver
- * Params : tpnt - template for this SCSI adapter
- * Returns : >0 if host found, 0 otherwise.
- */
-int
-eesoxscsi_detect(Scsi_Host_Template *tpnt)
+static void eesoxscsi_buffer_out(void *buf, int length, unsigned long base)
{
- static const card_ids eesoxscsi_cids[] =
- { EESOXSCSI_LIST, { 0xffff, 0xffff} };
- int count = 0;
- struct Scsi_Host *host;
-
- tpnt->proc_name = "eesox";
- memset(ecs, 0, sizeof (ecs));
-
- ecard_startfind();
+ const unsigned long reg_fas = base + EESOX_FAS216_OFFSET;
+ const unsigned long reg_dmastat = base + EESOX_DMASTAT;
+ const unsigned long reg_dmadata = base + EESOX_DMADATA;
- while(1) {
- EESOXScsi_Info *info;
+ do {
+ unsigned int status;
- ecs[count] = ecard_find(0, eesoxscsi_cids);
- if (!ecs[count])
+ /*
+ * Interrupt request?
+ */
+ status = inb(reg_fas + (REG_STAT << EESOX_FAS216_SHIFT));
+ if (status & STAT_INT)
break;
- ecard_claim(ecs[count]);
+ /*
+ * DMA request active?
+ */
+ status = inb(reg_dmastat);
+ if (!(status & EESOX_STAT_DMA))
+ continue;
+
+ /*
+ * Get number of bytes in FIFO
+ */
+ status = inb(reg_fas + (REG_CFIS << EESOX_FAS216_SHIFT)) & CFIS_CF;
+ if (status > 16)
+ status = 16;
+ status = 16 - status;
+ if (status > length)
+ status = length;
+
+ /*
+ * Align buffer.
+ */
+ if (((u32)buf) & 2 && status >= 2) {
+ outw(*((u16 *)buf)++, reg_dmadata);
+ status -= 2;
+ length -= 2;
+ }
- host = scsi_register(tpnt, sizeof (EESOXScsi_Info));
- if (!host) {
- ecard_release(ecs[count]);
- break;
+ if (status >= 8) {
+ unsigned long l1, l2;
+
+ l1 = *((u32 *)buf)++;
+ l2 = *((u32 *)buf)++;
+
+ outw(l1, reg_dmadata);
+ outw(l1 >> 16, reg_dmadata);
+ outw(l2, reg_dmadata);
+ outw(l2 >> 16, reg_dmadata);
+ status -= 8;
+ length -= 8;
+ continue;
}
- host->io_port = ecard_address(ecs[count], ECARD_IOC, ECARD_FAST);
- host->irq = ecs[count]->irq;
- host->dma_channel = ecs[count]->dma;
- info = (EESOXScsi_Info *)host->hostdata;
-
- info->control.io_port = host->io_port + EESOX_CONTROL;
- info->control.control = term[count] ? EESOX_TERM_ENABLE : 0;
- outb(info->control.control, info->control.io_port);
-
- ecs[count]->irqaddr = (unsigned char *)
- ioaddr(host->io_port + EESOX_STATUS);
- ecs[count]->irqmask = EESOX_STAT_INTR;
- ecs[count]->irq_data = &info->control;
- ecs[count]->ops = (expansioncard_ops_t *)&eesoxscsi_ops;
-
- info->info.scsi.io_port = host->io_port + EESOX_FAS216_OFFSET;
- info->info.scsi.io_shift = EESOX_FAS216_SHIFT;
- info->info.scsi.irq = host->irq;
- info->info.ifcfg.clockrate = EESOX_XTALFREQ;
- info->info.ifcfg.select_timeout = 255;
- info->info.ifcfg.asyncperiod = EESOX_ASYNC_PERIOD;
- info->info.ifcfg.sync_max_depth = EESOX_SYNC_DEPTH;
- info->info.ifcfg.cntl3 = CNTL3_BS8 | CNTL3_FASTSCSI | CNTL3_FASTCLK;
- info->info.ifcfg.disconnect_ok = 1;
- info->info.ifcfg.wide_max_size = 0;
- info->info.dma.setup = eesoxscsi_dma_setup;
- info->info.dma.pseudo = eesoxscsi_dma_pseudo;
- info->info.dma.stop = eesoxscsi_dma_stop;
- info->dmaarea = host->io_port + EESOX_DMA_OFFSET;
-
- request_region(host->io_port + EESOX_FAS216_OFFSET,
- 16 << EESOX_FAS216_SHIFT, "eesox2-fas");
-
- if (host->irq != NO_IRQ &&
- request_irq(host->irq, eesoxscsi_intr,
- SA_INTERRUPT, "eesox", host)) {
- printk("scsi%d: IRQ%d not free, interrupts disabled\n",
- host->host_no, host->irq);
- host->irq = NO_IRQ;
+ if (status >= 4) {
+ unsigned long l1;
+
+ l1 = *((u32 *)buf)++;
+ outw(l1, reg_dmadata);
+ outw(l1 >> 16, reg_dmadata);
+ status -= 4;
+ length -= 4;
+ continue;
}
- if (host->dma_channel != NO_DMA &&
- request_dma(host->dma_channel, "eesox")) {
- printk("scsi%d: DMA%d not free, DMA disabled\n",
- host->host_no, host->dma_channel);
- host->dma_channel = NO_DMA;
+ if (status >= 2) {
+ outw(*((u16 *)buf)++, reg_dmadata);
+ length -= 2;
}
+ } while (length);
+}
- fas216_init(host);
- ++count;
+static void
+eesoxscsi_dma_pseudo(struct Scsi_Host *host, Scsi_Pointer *SCp,
+ fasdmadir_t dir, int transfer_size)
+{
+ unsigned int base = host->io_port;
+ if (dir == DMA_IN) {
+ eesoxscsi_buffer_in(SCp->ptr, SCp->this_residual, base);
+ } else {
+ eesoxscsi_buffer_out(SCp->ptr, SCp->this_residual, base);
}
- return count;
}
-/* Prototype: int eesoxscsi_release(struct Scsi_Host * host)
- * Purpose : releases all resources used by this adapter
- * Params : host - driver host structure to return info for.
+/* Prototype: int eesoxscsi_dma_stop(host, SCpnt)
+ * Purpose : stops DMA/PIO
+ * Params : host - host
+ * SCpnt - command
*/
-int eesoxscsi_release(struct Scsi_Host *host)
+static void
+eesoxscsi_dma_stop(struct Scsi_Host *host, Scsi_Pointer *SCp)
{
- int i;
-
- fas216_release(host);
-
- if (host->irq != NO_IRQ)
- free_irq(host->irq, host);
if (host->dma_channel != NO_DMA)
- free_dma(host->dma_channel);
- release_region(host->io_port + EESOX_FAS216_OFFSET, 16 << EESOX_FAS216_SHIFT);
-
- for (i = 0; i < MAX_ECARDS; i++)
- if (ecs[i] &&
- host->io_port == ecard_address(ecs[i], ECARD_IOC, ECARD_FAST))
- ecard_release(ecs[i]);
- return 0;
+ disable_dma(host->dma_channel);
}
/* Prototype: const char *eesoxscsi_info(struct Scsi_Host * host)
@@ -443,15 +375,12 @@
*/
const char *eesoxscsi_info(struct Scsi_Host *host)
{
- EESOXScsi_Info *info = (EESOXScsi_Info *)host->hostdata;
- static char string[100], *p;
+ struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
+ static char string[150];
- p = string;
- p += sprintf(p, "%s ", host->hostt->name);
- p += fas216_info(&info->info, p);
- p += sprintf(p, "v%d.%d.%d terminators o%s",
- VER_MAJOR, VER_MINOR, VER_PATCH,
- info->control.control & EESOX_TERM_ENABLE ? "n" : "ff");
+ sprintf(string, "%s (%s) in slot %d v%s terminators o%s",
+ host->hostt->name, info->info.scsi.type, info->ec->slot_no,
+ VERSION, info->control & EESOX_TERM_ENABLE ? "n" : "ff");
return string;
}
@@ -504,43 +433,37 @@
int length, int host_no, int inout)
{
int pos, begin;
- struct Scsi_Host *host = scsi_hostlist;
- EESOXScsi_Info *info;
+ struct Scsi_Host *host;
+ struct eesoxscsi_info *info;
Scsi_Device *scd;
- while (host) {
- if (host->host_no == host_no)
- break;
- host = host->next;
- }
+ host = scsi_host_hn_get(host_no);
if (!host)
return 0;
if (inout == 1)
return eesoxscsi_set_proc_info(host, buffer, length);
- info = (EESOXScsi_Info *)host->hostdata;
+ info = (struct eesoxscsi_info *)host->hostdata;
begin = 0;
- pos = sprintf(buffer,
- "EESOX SCSI driver version %d.%d.%d\n",
- VER_MAJOR, VER_MINOR, VER_PATCH);
+ pos = sprintf(buffer, "EESOX SCSI driver v%s\n", VERSION);
pos += fas216_print_host(&info->info, buffer + pos);
pos += sprintf(buffer + pos, "Term : o%s\n",
- info->control.control & EESOX_TERM_ENABLE ? "n" : "ff");
+ info->control & EESOX_TERM_ENABLE ? "n" : "ff");
pos += fas216_print_stats(&info->info, buffer + pos);
- pos += sprintf (buffer+pos, "\nAttached devices:\n");
+ pos += sprintf(buffer+pos, "\nAttached devices:\n");
for (scd = host->host_queue; scd; scd = scd->next) {
int len;
- proc_print_scsidevice (scd, buffer, &len, pos);
+ proc_print_scsidevice(scd, buffer, &len, pos);
pos += len;
- pos += sprintf (buffer+pos, "Extensions: ");
+ pos += sprintf(buffer+pos, "Extensions: ");
if (scd->tagged_supported)
- pos += sprintf (buffer+pos, "TAG %sabled [%d] ",
+ pos += sprintf(buffer+pos, "TAG %sabled [%d] ",
scd->tagged_queue ? "en" : "dis",
scd->current_tag);
pos += sprintf (buffer+pos, "\n");
@@ -558,28 +481,188 @@
return pos;
}
+static int eesoxscsi_probe(struct expansion_card *ec);
+
+/* Prototype: int eesoxscsi_detect(Scsi_Host_Template * tpnt)
+ * Purpose : initialises EESOX SCSI driver
+ * Params : tpnt - template for this SCSI adapter
+ * Returns : >0 if host found, 0 otherwise.
+ */
+static int eesoxscsi_detect(Scsi_Host_Template *tpnt)
+{
+ static const card_ids eesoxscsi_cids[] =
+ { EESOXSCSI_LIST, { 0xffff, 0xffff} };
+ struct expansion_card *ec;
+ int count = 0, ret;
+
+ ecard_startfind();
+
+ while(1) {
+ ec = ecard_find(0, eesoxscsi_cids);
+ if (!ec)
+ break;
+
+ ecard_claim(ec);
+
+ ret = eesoxscsi_probe(ec);
+ if (ret) {
+ ecard_release(ec);
+ break;
+ }
+ ++count;
+ }
+ return count;
+}
+
+static void eesoxscsi_remove(struct Scsi_Host *host);
+
+/* Prototype: int eesoxscsi_release(struct Scsi_Host * host)
+ * Purpose : releases all resources used by this adapter
+ * Params : host - driver host structure to return info for.
+ */
+static int eesoxscsi_release(struct Scsi_Host *host)
+{
+ eesoxscsi_remove(host);
+ return 0;
+}
+
static Scsi_Host_Template eesox_template = {
- module: THIS_MODULE,
- proc_info: eesoxscsi_proc_info,
- name: "EESOX SCSI",
- detect: eesoxscsi_detect,
- release: eesoxscsi_release,
- info: eesoxscsi_info,
- bios_param: scsicam_bios_param,
- can_queue: 1,
- this_id: 7,
- sg_tablesize: SG_ALL,
- cmd_per_lun: 1,
- use_clustering: DISABLE_CLUSTERING,
- command: fas216_command,
- queuecommand: fas216_queue_command,
- eh_host_reset_handler: fas216_eh_host_reset,
- eh_bus_reset_handler: fas216_eh_bus_reset,
- eh_device_reset_handler: fas216_eh_device_reset,
- eh_abort_handler: fas216_eh_abort,
- use_new_eh_code: 1
+ .module = THIS_MODULE,
+ .proc_info = eesoxscsi_proc_info,
+ .name = "EESOX SCSI",
+ .detect = eesoxscsi_detect,
+ .release = eesoxscsi_release,
+ .info = eesoxscsi_info,
+ .bios_param = scsicam_bios_param,
+ .command = fas216_command,
+ .queuecommand = fas216_queue_command,
+ .eh_host_reset_handler = fas216_eh_host_reset,
+ .eh_bus_reset_handler = fas216_eh_bus_reset,
+ .eh_device_reset_handler = fas216_eh_device_reset,
+ .eh_abort_handler = fas216_eh_abort,
+ .use_new_eh_code = 1,
+
+ .can_queue = 1,
+ .this_id = 7,
+ .sg_tablesize = SG_ALL,
+ .cmd_per_lun = 1,
+ .use_clustering = DISABLE_CLUSTERING,
+ .proc_name = "eesox",
};
+static int
+eesoxscsi_probe(struct expansion_card *ec)
+{
+ struct Scsi_Host *host;
+ struct eesoxscsi_info *info;
+ unsigned long base;
+ int ret;
+
+ base = ecard_address(ec, ECARD_IOC, ECARD_FAST);
+
+ if (!request_region(base + EESOX_FAS216_OFFSET,
+ 16 << EESOX_FAS216_SHIFT, "eesox2-fas")) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ host = scsi_register(&eesox_template,
+ sizeof(struct eesoxscsi_info));
+ if (!host) {
+ ret = -ENOMEM;
+ goto out_region;
+ }
+
+ host->io_port = base;
+ host->irq = ec->irq;
+ host->dma_channel = ec->dma;
+
+ info = (struct eesoxscsi_info *)host->hostdata;
+ info->ec = ec;
+ info->ctl_port = base + EESOX_CONTROL;
+ info->control = term[ec->slot_no] ? EESOX_TERM_ENABLE : 0;
+ outb(info->control, info->ctl_port);
+
+ ec->irqaddr = (unsigned char *)ioaddr(base + EESOX_DMASTAT);
+ ec->irqmask = EESOX_STAT_INTR;
+ ec->irq_data = info;
+ ec->ops = (expansioncard_ops_t *)&eesoxscsi_ops;
+
+ info->info.scsi.io_port = base + EESOX_FAS216_OFFSET;
+ info->info.scsi.io_shift = EESOX_FAS216_SHIFT;
+ info->info.scsi.irq = host->irq;
+ info->info.ifcfg.clockrate = 40; /* MHz */
+ info->info.ifcfg.select_timeout = 255;
+ info->info.ifcfg.asyncperiod = 200; /* ns */
+ info->info.ifcfg.sync_max_depth = 7;
+ info->info.ifcfg.cntl3 = CNTL3_FASTSCSI | CNTL3_FASTCLK;
+ info->info.ifcfg.disconnect_ok = 1;
+ info->info.ifcfg.wide_max_size = 0;
+ info->info.ifcfg.capabilities = FASCAP_PSEUDODMA;
+ info->info.dma.setup = eesoxscsi_dma_setup;
+ info->info.dma.pseudo = eesoxscsi_dma_pseudo;
+ info->info.dma.stop = eesoxscsi_dma_stop;
+
+ ret = fas216_init(host);
+ if (ret)
+ goto out_free;
+
+ ret = request_irq(host->irq, eesoxscsi_intr, 0, "eesox", &info->info);
+ if (ret) {
+ printk("scsi%d: IRQ%d not free: %d\n",
+ host->host_no, host->irq, ret);
+ goto out_remove;
+ }
+
+ if (host->dma_channel != NO_DMA) {
+ if (request_dma(host->dma_channel, "eesox")) {
+ printk("scsi%d: DMA%d not free, DMA disabled\n",
+ host->host_no, host->dma_channel);
+ host->dma_channel = NO_DMA;
+ } else {
+ set_dma_speed(host->dma_channel, 180);
+ info->info.ifcfg.capabilities |= FASCAP_DMA;
+ info->info.ifcfg.cntl3 |= CNTL3_BS8;
+ }
+ }
+
+ ret = fas216_add(host);
+ if (ret == 0)
+ goto out;
+
+ if (host->dma_channel != NO_DMA)
+ free_dma(host->dma_channel);
+ free_irq(host->irq, host);
+
+ out_remove:
+ fas216_remove(host);
+
+ out_free:
+ scsi_unregister(host);
+
+ out_region:
+ release_region(base + EESOX_FAS216_OFFSET, 16 << EESOX_FAS216_SHIFT);
+
+ out:
+ return ret;
+}
+
+static void eesoxscsi_remove(struct Scsi_Host *host)
+{
+ struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata;
+
+ fas216_remove(host);
+
+ if (host->dma_channel != NO_DMA)
+ free_dma(host->dma_channel);
+ free_irq(host->irq, host);
+
+ release_region(host->io_port + EESOX_FAS216_OFFSET, 16 << EESOX_FAS216_SHIFT);
+
+ fas216_release(host);
+ ecard_release(info->ec);
+}
+
static int __init eesox_init(void)
{
scsi_register_module(MODULE_SCSI_HA, &eesox_template);
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)