summaryrefslogtreecommitdiffstats
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/a2091.c245
-rw-r--r--drivers/scsi/a2091.h4
-rw-r--r--drivers/scsi/a3000.c256
-rw-r--r--drivers/scsi/a3000.h4
-rw-r--r--drivers/scsi/a4000t.c101
-rw-r--r--drivers/scsi/gvp11.c541
-rw-r--r--drivers/scsi/gvp11.h11
-rw-r--r--drivers/scsi/mvme147.c33
8 files changed, 641 insertions, 554 deletions
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 308541ff85c..1bb5d3f0e26 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -1,34 +1,31 @@
#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/zorro.h>
-#include <asm/setup.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/amigaints.h>
#include <asm/amigahw.h>
-#include <linux/zorro.h>
-#include <asm/irq.h>
-#include <linux/spinlock.h>
#include "scsi.h"
-#include <scsi/scsi_host.h>
#include "wd33c93.h"
#include "a2091.h"
-#include <linux/stat.h>
-
-static int a2091_release(struct Scsi_Host *instance);
+struct a2091_hostdata {
+ struct WD33C93_hostdata wh;
+ struct a2091_scsiregs *regs;
+};
static irqreturn_t a2091_intr(int irq, void *data)
{
struct Scsi_Host *instance = data;
- a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
- unsigned int status = regs->ISTR;
+ struct a2091_hostdata *hdata = shost_priv(instance);
+ unsigned int status = hdata->regs->ISTR;
unsigned long flags;
if (!(status & (ISTR_INT_F | ISTR_INT_P)) || !(status & ISTR_INTS))
@@ -43,38 +40,39 @@ static irqreturn_t a2091_intr(int irq, void *data)
static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
{
struct Scsi_Host *instance = cmd->device->host;
- struct WD33C93_hostdata *hdata = shost_priv(instance);
- a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+ struct a2091_hostdata *hdata = shost_priv(instance);
+ struct WD33C93_hostdata *wh = &hdata->wh;
+ struct a2091_scsiregs *regs = hdata->regs;
unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
unsigned long addr = virt_to_bus(cmd->SCp.ptr);
/* don't allow DMA if the physical address is bad */
if (addr & A2091_XFER_MASK) {
- hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
- hdata->dma_bounce_buffer = kmalloc(hdata->dma_bounce_len,
- GFP_KERNEL);
+ wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+ wh->dma_bounce_buffer = kmalloc(wh->dma_bounce_len,
+ GFP_KERNEL);
/* can't allocate memory; use PIO */
- if (!hdata->dma_bounce_buffer) {
- hdata->dma_bounce_len = 0;
+ if (!wh->dma_bounce_buffer) {
+ wh->dma_bounce_len = 0;
return 1;
}
/* get the physical address of the bounce buffer */
- addr = virt_to_bus(hdata->dma_bounce_buffer);
+ addr = virt_to_bus(wh->dma_bounce_buffer);
/* the bounce buffer may not be in the first 16M of physmem */
if (addr & A2091_XFER_MASK) {
/* we could use chipmem... maybe later */
- kfree(hdata->dma_bounce_buffer);
- hdata->dma_bounce_buffer = NULL;
- hdata->dma_bounce_len = 0;
+ kfree(wh->dma_bounce_buffer);
+ wh->dma_bounce_buffer = NULL;
+ wh->dma_bounce_len = 0;
return 1;
}
if (!dir_in) {
/* copy to bounce buffer for a write */
- memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+ memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr,
cmd->SCp.this_residual);
}
}
@@ -84,7 +82,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
cntr |= CNTR_DDIR;
/* remember direction */
- hdata->dma_dir = dir_in;
+ wh->dma_dir = dir_in;
regs->CNTR = cntr;
@@ -108,20 +106,21 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
int status)
{
- struct WD33C93_hostdata *hdata = shost_priv(instance);
- a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+ struct a2091_hostdata *hdata = shost_priv(instance);
+ struct WD33C93_hostdata *wh = &hdata->wh;
+ struct a2091_scsiregs *regs = hdata->regs;
/* disable SCSI interrupts */
unsigned short cntr = CNTR_PDMD;
- if (!hdata->dma_dir)
+ if (!wh->dma_dir)
cntr |= CNTR_DDIR;
/* disable SCSI interrupts */
regs->CNTR = cntr;
/* flush if we were reading */
- if (hdata->dma_dir) {
+ if (wh->dma_dir) {
regs->FLUSH = 1;
while (!(regs->ISTR & ISTR_FE_FLG))
;
@@ -137,95 +136,37 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
regs->CNTR = CNTR_PDMD | CNTR_INTEN;
/* copy from a bounce buffer, if necessary */
- if (status && hdata->dma_bounce_buffer) {
- if (hdata->dma_dir)
- memcpy(SCpnt->SCp.ptr, hdata->dma_bounce_buffer,
+ if (status && wh->dma_bounce_buffer) {
+ if (wh->dma_dir)
+ memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer,
SCpnt->SCp.this_residual);
- kfree(hdata->dma_bounce_buffer);
- hdata->dma_bounce_buffer = NULL;
- hdata->dma_bounce_len = 0;
- }
-}
-
-static int __init a2091_detect(struct scsi_host_template *tpnt)
-{
- static unsigned char called = 0;
- struct Scsi_Host *instance;
- unsigned long address;
- struct zorro_dev *z = NULL;
- wd33c93_regs wdregs;
- a2091_scsiregs *regs;
- struct WD33C93_hostdata *hdata;
- int num_a2091 = 0;
-
- if (!MACH_IS_AMIGA || called)
- return 0;
- called = 1;
-
- tpnt->proc_name = "A2091";
- tpnt->proc_info = &wd33c93_proc_info;
-
- while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
- if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
- z->id != ZORRO_PROD_CBM_A590_A2091_2)
- continue;
- address = z->resource.start;
- if (!request_mem_region(address, 256, "wd33c93"))
- continue;
-
- instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
- if (instance == NULL)
- goto release;
- instance->base = ZTWO_VADDR(address);
- instance->irq = IRQ_AMIGA_PORTS;
- instance->unique_id = z->slotaddr;
- regs = (a2091_scsiregs *)(instance->base);
- regs->DAWR = DAWR_A2091;
- wdregs.SASR = &regs->SASR;
- wdregs.SCMD = &regs->SCMD;
- hdata = shost_priv(instance);
- hdata->no_sync = 0xff;
- hdata->fast = 0;
- hdata->dma_mode = CTRL_DMA;
- wd33c93_init(instance, wdregs, dma_setup, dma_stop,
- WD33C93_FS_8_10);
- if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
- "A2091 SCSI", instance))
- goto unregister;
- regs->CNTR = CNTR_PDMD | CNTR_INTEN;
- num_a2091++;
- continue;
-
-unregister:
- scsi_unregister(instance);
-release:
- release_mem_region(address, 256);
+ kfree(wh->dma_bounce_buffer);
+ wh->dma_bounce_buffer = NULL;
+ wh->dma_bounce_len = 0;
}
-
- return num_a2091;
}
static int a2091_bus_reset(struct scsi_cmnd *cmd)
{
+ struct Scsi_Host *instance = cmd->device->host;
+
/* FIXME perform bus-specific reset */
/* FIXME 2: kill this function, and let midlayer fall back
to the same action, calling wd33c93_host_reset() */
- spin_lock_irq(cmd->device->host->host_lock);
+ spin_lock_irq(instance->host_lock);
wd33c93_host_reset(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
+ spin_unlock_irq(instance->host_lock);
return SUCCESS;
}
-#define HOSTS_C
-
-static struct scsi_host_template driver_template = {
- .proc_name = "A2901",
+static struct scsi_host_template a2091_scsi_template = {
+ .module = THIS_MODULE,
.name = "Commodore A2091/A590 SCSI",
- .detect = a2091_detect,
- .release = a2091_release,
+ .proc_info = wd33c93_proc_info,
+ .proc_name = "A2901",
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = a2091_bus_reset,
@@ -237,19 +178,103 @@ static struct scsi_host_template driver_template = {
.use_clustering = DISABLE_CLUSTERING
};
+static int __devinit a2091_probe(struct zorro_dev *z,
+ const struct zorro_device_id *ent)
+{
+ struct Scsi_Host *instance;
+ int error;
+ struct a2091_scsiregs *regs;
+ wd33c93_regs wdregs;
+ struct a2091_hostdata *hdata;
-#include "scsi_module.c"
+ if (!request_mem_region(z->resource.start, 256, "wd33c93"))
+ return -EBUSY;
-static int a2091_release(struct Scsi_Host *instance)
+ instance = scsi_host_alloc(&a2091_scsi_template,
+ sizeof(struct a2091_hostdata));
+ if (!instance) {
+ error = -ENOMEM;
+ goto fail_alloc;
+ }
+
+ instance->irq = IRQ_AMIGA_PORTS;
+ instance->unique_id = z->slotaddr;
+
+ regs = (struct a2091_scsiregs *)ZTWO_VADDR(z->resource.start);
+ regs->DAWR = DAWR_A2091;
+
+ wdregs.SASR = &regs->SASR;
+ wdregs.SCMD = &regs->SCMD;
+
+ hdata = shost_priv(instance);
+ hdata->wh.no_sync = 0xff;
+ hdata->wh.fast = 0;
+ hdata->wh.dma_mode = CTRL_DMA;
+ hdata->regs = regs;
+
+ wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_8_10);
+ error = request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
+ "A2091 SCSI", instance);
+ if (error)
+ goto fail_irq;
+
+ regs->CNTR = CNTR_PDMD | CNTR_INTEN;
+
+ error = scsi_add_host(instance, NULL);
+ if (error)
+ goto fail_host;
+
+ zorro_set_drvdata(z, instance);
+
+ scsi_scan_host(instance);
+ return 0;
+
+fail_host:
+ free_irq(IRQ_AMIGA_PORTS, instance);
+fail_irq:
+ scsi_host_put(instance);
+fail_alloc:
+ release_mem_region(z->resource.start, 256);
+ return error;
+}
+
+static void __devexit a2091_remove(struct zorro_dev *z)
{
-#ifdef MODULE
- a2091_scsiregs *regs = (a2091_scsiregs *)(instance->base);
+ struct Scsi_Host *instance = zorro_get_drvdata(z);
+ struct a2091_hostdata *hdata = shost_priv(instance);
- regs->CNTR = 0;
- release_mem_region(ZTWO_PADDR(instance->base), 256);
+ hdata->regs->CNTR = 0;
+ scsi_remove_host(instance);
free_irq(IRQ_AMIGA_PORTS, instance);
-#endif
- return 1;
+ scsi_host_put(instance);
+ release_mem_region(z->resource.start, 256);
+}
+
+static struct zorro_device_id a2091_zorro_tbl[] __devinitdata = {
+ { ZORRO_PROD_CBM_A590_A2091_1 },
+ { ZORRO_PROD_CBM_A590_A2091_2 },
+ { 0 }
+};
+MODULE_DEVICE_TABLE(zorro, a2091_zorro_tbl);
+
+static struct zorro_driver a2091_driver = {
+ .name = "a2091",
+ .id_table = a2091_zorro_tbl,
+ .probe = a2091_probe,
+ .remove = __devexit_p(a2091_remove),
+};
+
+static int __init a2091_init(void)
+{
+ return zorro_register_driver(&a2091_driver);
+}
+module_init(a2091_init);
+
+static void __exit a2091_exit(void)
+{
+ zorro_unregister_driver(&a2091_driver);
}
+module_exit(a2091_exit);
+MODULE_DESCRIPTION("Commodore A2091/A590 SCSI");
MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/a2091.h b/drivers/scsi/a2091.h
index 1c3daa1fd75..794b8e65c71 100644
--- a/drivers/scsi/a2091.h
+++ b/drivers/scsi/a2091.h
@@ -25,7 +25,7 @@
*/
#define A2091_XFER_MASK (0xff000001)
-typedef struct {
+struct a2091_scsiregs {
unsigned char pad1[64];
volatile unsigned short ISTR;
volatile unsigned short CNTR;
@@ -44,7 +44,7 @@ typedef struct {
volatile unsigned short CINT;
unsigned char pad7[2];
volatile unsigned short FLUSH;
-} a2091_scsiregs;
+};
#define DAWR_A2091 (3)
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index bc6eb69f5fd..d9468027fb6 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -1,53 +1,52 @@
#include <linux/types.h>
#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
#include <linux/ioport.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
+#include <linux/platform_device.h>
-#include <asm/setup.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/amigaints.h>
#include <asm/amigahw.h>
-#include <asm/irq.h>
#include "scsi.h"
-#include <scsi/scsi_host.h>
#include "wd33c93.h"
#include "a3000.h"
-#include <linux/stat.h>
-
-#define DMA(ptr) ((a3000_scsiregs *)((ptr)->base))
-
-static struct Scsi_Host *a3000_host = NULL;
-
-static int a3000_release(struct Scsi_Host *instance);
+struct a3000_hostdata {
+ struct WD33C93_hostdata wh;
+ struct a3000_scsiregs *regs;
+};
-static irqreturn_t a3000_intr(int irq, void *dummy)
+static irqreturn_t a3000_intr(int irq, void *data)
{
+ struct Scsi_Host *instance = data;
+ struct a3000_hostdata *hdata = shost_priv(instance);
+ unsigned int status = hdata->regs->ISTR;
unsigned long flags;
- unsigned int status = DMA(a3000_host)->ISTR;
if (!(status & ISTR_INT_P))
return IRQ_NONE;
if (status & ISTR_INTS) {
- spin_lock_irqsave(a3000_host->host_lock, flags);
- wd33c93_intr(a3000_host);
- spin_unlock_irqrestore(a3000_host->host_lock, flags);
+ spin_lock_irqsave(instance->host_lock, flags);
+ wd33c93_intr(instance);
+ spin_unlock_irqrestore(instance->host_lock, flags);
return IRQ_HANDLED;
}
- printk("Non-serviced A3000 SCSI-interrupt? ISTR = %02x\n", status);
+ pr_warning("Non-serviced A3000 SCSI-interrupt? ISTR = %02x\n", status);
return IRQ_NONE;
}
static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
{
- struct WD33C93_hostdata *hdata = shost_priv(a3000_host);
+ struct Scsi_Host *instance = cmd->device->host;
+ struct a3000_hostdata *hdata = shost_priv(instance);
+ struct WD33C93_hostdata *wh = &hdata->wh;
+ struct a3000_scsiregs *regs = hdata->regs;
unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
unsigned long addr = virt_to_bus(cmd->SCp.ptr);
@@ -58,23 +57,23 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
* buffer
*/
if (addr & A3000_XFER_MASK) {
- hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
- hdata->dma_bounce_buffer = kmalloc(hdata->dma_bounce_len,
- GFP_KERNEL);
+ wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+ wh->dma_bounce_buffer = kmalloc(wh->dma_bounce_len,
+ GFP_KERNEL);
/* can't allocate memory; use PIO */
- if (!hdata->dma_bounce_buffer) {
- hdata->dma_bounce_len = 0;
+ if (!wh->dma_bounce_buffer) {
+ wh->dma_bounce_len = 0;
return 1;
}
if (!dir_in) {
/* copy to bounce buffer for a write */
- memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+ memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr,
cmd->SCp.this_residual);
}
- addr = virt_to_bus(hdata->dma_bounce_buffer);
+ addr = virt_to_bus(wh->dma_bounce_buffer);
}
/* setup dma direction */
@@ -82,12 +81,12 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
cntr |= CNTR_DDIR;
/* remember direction */
- hdata->dma_dir = dir_in;
+ wh->dma_dir = dir_in;
- DMA(a3000_host)->CNTR = cntr;
+ regs->CNTR = cntr;
/* setup DMA *physical* address */
- DMA(a3000_host)->ACR = addr;
+ regs->ACR = addr;
if (dir_in) {
/* invalidate any cache */
@@ -99,7 +98,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
/* start DMA */
mb(); /* make sure setup is completed */
- DMA(a3000_host)->ST_DMA = 1;
+ regs->ST_DMA = 1;
mb(); /* make sure DMA has started before next IO */
/* return success */
@@ -109,22 +108,24 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
int status)
{
- struct WD33C93_hostdata *hdata = shost_priv(instance);
+ struct a3000_hostdata *hdata = shost_priv(instance);
+ struct WD33C93_hostdata *wh = &hdata->wh;
+ struct a3000_scsiregs *regs = hdata->regs;
/* disable SCSI interrupts */
unsigned short cntr = CNTR_PDMD;
- if (!hdata->dma_dir)
+ if (!wh->dma_dir)
cntr |= CNTR_DDIR;
- DMA(instance)->CNTR = cntr;
+ regs->CNTR = cntr;
mb(); /* make sure CNTR is updated before next IO */
/* flush if we were reading */
- if (hdata->dma_dir) {
- DMA(instance)->FLUSH = 1;
+ if (wh->dma_dir) {
+ regs->FLUSH = 1;
mb(); /* don't allow prefetch */
- while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
+ while (!(regs->ISTR & ISTR_FE_FLG))
barrier();
mb(); /* no IO until FLUSH is done */
}
@@ -133,96 +134,54 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
/* I think that this CINT is only necessary if you are
* using the terminal count features. HM 7 Mar 1994
*/
- DMA(instance)->CINT = 1;
+ regs->CINT = 1;
/* stop DMA */
- DMA(instance)->SP_DMA = 1;
+ regs->SP_DMA = 1;
mb(); /* make sure DMA is stopped before next IO */
/* restore the CONTROL bits (minus the direction flag) */
- DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+ regs->CNTR = CNTR_PDMD | CNTR_INTEN;
mb(); /* make sure CNTR is updated before next IO */
/* copy from a bounce buffer, if necessary */
- if (status && hdata->dma_bounce_buffer) {
+ if (status && wh->dma_bounce_buffer) {
if (SCpnt) {
- if (hdata->dma_dir && SCpnt)
- memcpy(SCpnt->SCp.ptr,
- hdata->dma_bounce_buffer,
+ if (wh->dma_dir && SCpnt)
+ memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer,
SCpnt->SCp.this_residual);
- kfree(hdata->dma_bounce_buffer);
- hdata->dma_bounce_buffer = NULL;
- hdata->dma_bounce_len = 0;
+ kfree(wh->dma_bounce_buffer);
+ wh->dma_bounce_buffer = NULL;
+ wh->dma_bounce_len = 0;
} else {
- kfree(hdata->dma_bounce_buffer);
- hdata->dma_bounce_buffer = NULL;
- hdata->dma_bounce_len = 0;
+ kfree(wh->dma_bounce_buffer);
+ wh->dma_bounce_buffer = NULL;
+ wh->dma_bounce_len = 0;
}
}
}
-static int __init a3000_detect(struct scsi_host_template *tpnt)
-{
- wd33c93_regs regs;
- struct WD33C93_hostdata *hdata;
-
- if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
- return 0;
- if (!request_mem_region(0xDD0000, 256, "wd33c93"))
- return 0;
-
- tpnt->proc_name = "A3000";
- tpnt->proc_info = &wd33c93_proc_info;
-
- a3000_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
- if (a3000_host == NULL)
- goto fail_register;
-
- a3000_host->base = ZTWO_VADDR(0xDD0000);
- a3000_host->irq = IRQ_AMIGA_PORTS;
- DMA(a3000_host)->DAWR = DAWR_A3000;
- regs.SASR = &(DMA(a3000_host)->SASR);
- regs.SCMD = &(DMA(a3000_host)->SCMD);
- hdata = shost_priv(a3000_host);
- hdata->no_sync = 0xff;
- hdata->fast = 0;
- hdata->dma_mode = CTRL_DMA;
- wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
- if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
- a3000_intr))
- goto fail_irq;
- DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
-
- return 1;
-
-fail_irq:
- scsi_unregister(a3000_host);
-fail_register:
- release_mem_region(0xDD0000, 256);
- return 0;
-}
-
static int a3000_bus_reset(struct scsi_cmnd *cmd)
{
+ struct Scsi_Host *instance = cmd->device->host;
+
/* FIXME perform bus-specific reset */
/* FIXME 2: kill this entire function, which should
cause mid-layer to call wd33c93_host_reset anyway? */
- spin_lock_irq(cmd->device->host->host_lock);
+ spin_lock_irq(instance->host_lock);
wd33c93_host_reset(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
+ spin_unlock_irq(instance->host_lock);
return SUCCESS;
}
-#define HOSTS_C
-
-static struct scsi_host_template driver_template = {
- .proc_name = "A3000",
+static struct scsi_host_template amiga_a3000_scsi_template = {
+ .module = THIS_MODULE,
.name = "Amiga 3000 built-in SCSI",
- .detect = a3000_detect,
- .release = a3000_release,
+ .proc_info = wd33c93_proc_info,
+ .proc_name = "A3000",
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = a3000_bus_reset,
@@ -234,15 +193,104 @@ static struct scsi_host_template driver_template = {
.use_clustering = ENABLE_CLUSTERING
};
+static int __init amiga_a3000_scsi_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ struct Scsi_Host *instance;
+ int error;
+ struct a3000_scsiregs *regs;
+ wd33c93_regs wdregs;
+ struct a3000_hostdata *hdata;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ if (!request_mem_region(res->start, resource_size(res), "wd33c93"))
+ return -EBUSY;
+
+ instance = scsi_host_alloc(&amiga_a3000_scsi_template,
+ sizeof(struct a3000_hostdata));
+ if (!instance) {
+ error = -ENOMEM;
+ goto fail_alloc;
+ }
+
+ instance->irq = IRQ_AMIGA_PORTS;
-#include "scsi_module.c"
+ regs = (struct a3000_scsiregs *)ZTWO_VADDR(res->start);
+ regs->DAWR = DAWR_A3000;
+
+ wdregs.SASR = &regs->SASR;
+ wdregs.SCMD = &regs->SCMD;
+
+ hdata = shost_priv(instance);
+ hdata->wh.no_sync = 0xff;
+ hdata->wh.fast = 0;
+ hdata->wh.dma_mode = CTRL_DMA;
+ hdata->regs = regs;
+
+ wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_12_15);
+ error = request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED,
+ "A3000 SCSI", instance);
+ if (error)
+ goto fail_irq;
+
+ regs->CNTR = CNTR_PDMD | CNTR_INTEN;
+
+ error = scsi_add_host(instance, NULL);
+ if (error)
+ goto fail_host;
+
+ platform_set_drvdata(pdev, instance);
+
+ scsi_scan_host(instance);
+ return 0;
+
+fail_host:
+ free_irq(IRQ_AMIGA_PORTS, instance);
+fail_irq:
+ scsi_host_put(instance);
+fail_alloc:
+ release_mem_region(res->start, resource_size(res));
+ return error;
+}
+
+static int __exit amiga_a3000_scsi_remove(struct platform_device *pdev)
+{
+ struct Scsi_Host *instance = platform_get_drvdata(pdev);
+ struct a3000_hostdata *hdata = shost_priv(instance);
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+ hdata->regs->CNTR = 0;
+ scsi_remove_host(instance);
+ free_irq(IRQ_AMIGA_PORTS, instance);
+ scsi_host_put(instance);
+ release_mem_region(res->start, resource_size(res));
+ return 0;
+}
+
+static struct platform_driver amiga_a3000_scsi_driver = {
+ .remove = __exit_p(amiga_a3000_scsi_remove),
+ .driver = {
+ .name = "amiga-a3000-scsi",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init amiga_a3000_scsi_init(void)
+{
+ return platform_driver_probe(&amiga_a3000_scsi_driver,
+ amiga_a3000_scsi_probe);
+}
+module_init(amiga_a3000_scsi_init);
-static int a3000_release(struct Scsi_Host *instance)
+static void __exit amiga_a3000_scsi_exit(void)
{
- DMA(instance)->CNTR = 0;
- release_mem_region(0xDD0000, 256);
- free_irq(IRQ_AMIGA_PORTS, a3000_intr);
- return 1;
+ platform_driver_unregister(&amiga_a3000_scsi_driver);
}
+module_exit(amiga_a3000_scsi_exit);
+MODULE_DESCRIPTION("Amiga 3000 built-in SCSI");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-a3000-scsi");
diff --git a/drivers/scsi/a3000.h b/drivers/scsi/a3000.h
index 684813ee378..49db4a335aa 100644
--- a/drivers/scsi/a3000.h
+++ b/drivers/scsi/a3000.h
@@ -25,7 +25,7 @@
*/
#define A3000_XFER_MASK (0x00000003)
-typedef struct {
+struct a3000_scsiregs {
unsigned char pad1[2];
volatile unsigned short DAWR;
volatile unsigned int WTC;
@@ -46,7 +46,7 @@ typedef struct {
volatile unsigned char SASR;
unsigned char pad9;
volatile unsigned char SCMD;
-} a3000_scsiregs;
+};
#define DAWR_A3000 (3)
diff --git a/drivers/scsi/a4000t.c b/drivers/scsi/a4000t.c
index 11ae6be8aea..23c76f41883 100644
--- a/drivers/scsi/a4000t.c
+++ b/drivers/scsi/a4000t.c
@@ -20,10 +20,6 @@
#include "53c700.h"
-MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / Kars de Jong <jongk@linux-m68k.org>");
-MODULE_DESCRIPTION("Amiga A4000T NCR53C710 driver");
-MODULE_LICENSE("GPL");
-
static struct scsi_host_template a4000t_scsi_driver_template = {
.name = "A4000T builtin SCSI",
@@ -32,30 +28,35 @@ static struct scsi_host_template a4000t_scsi_driver_template = {
.module = THIS_MODULE,
};
-static struct platform_device *a4000t_scsi_device;
-#define A4000T_SCSI_ADDR 0xdd0040
+#define A4000T_SCSI_OFFSET 0x40
-static int __devinit a4000t_probe(struct platform_device *dev)
+static int __init amiga_a4000t_scsi_probe(struct platform_device *pdev)
{
- struct Scsi_Host *host;
+ struct resource *res;
+ phys_addr_t scsi_addr;
struct NCR_700_Host_Parameters *hostdata;
+ struct Scsi_Host *host;
- if (!(MACH_IS_AMIGA && AMIGAHW_PRESENT(A4000_SCSI)))
- goto out;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
- if (!request_mem_region(A4000T_SCSI_ADDR, 0x1000,
+ if (!request_mem_region(res->start, resource_size(res),
"A4000T builtin SCSI"))
- goto out;
+ return -EBUSY;
- hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
+ hostdata = kzalloc(sizeof(struct NCR_700_Host_Parameters),
+ GFP_KERNEL);
if (!hostdata) {
- printk(KERN_ERR "a4000t-scsi: Failed to allocate host data\n");
+ dev_err(&pdev->dev, "Failed to allocate host data\n");
goto out_release;
}
+ scsi_addr = res->start + A4000T_SCSI_OFFSET;
+
/* Fill in the required pieces of hostdata */
- hostdata->base = (void __iomem *)ZTWO_VADDR(A4000T_SCSI_ADDR);
+ hostdata->base = (void __iomem *)ZTWO_VADDR(scsi_addr);
hostdata->clock = 50;
hostdata->chip710 = 1;
hostdata->dmode_extra = DMODE_FC2;
@@ -63,26 +64,25 @@ static int __devinit a4000t_probe(struct platform_device *dev)
/* and register the chip */
host = NCR_700_detect(&a4000t_scsi_driver_template, hostdata,
- &dev->dev);
+ &pdev->dev);
if (!host) {
- printk(KERN_ERR "a4000t-scsi: No host detected; "
- "board configuration problem?\n");
+ dev_err(&pdev->dev,
+ "No host detected; board configuration problem?\n");
goto out_free;
}
host->this_id = 7;
- host->base = A4000T_SCSI_ADDR;
+ host->base = scsi_addr;
host->irq = IRQ_AMIGA_PORTS;
if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "a4000t-scsi",
host)) {
- printk(KERN_ERR "a4000t-scsi: request_irq failed\n");
+ dev_err(&pdev->dev, "request_irq failed\n");
goto out_put_host;
}
- platform_set_drvdata(dev, host);
+ platform_set_drvdata(pdev, host);
scsi_scan_host(host);
-
return 0;
out_put_host:
@@ -90,58 +90,49 @@ static int __devinit a4000t_probe(struct platform_device *dev)
out_free:
kfree(hostdata);
out_release:
- release_mem_region(A4000T_SCSI_ADDR, 0x1000);
- out:
+ release_mem_region(res->start, resource_size(res));
return -ENODEV;
}
-static __devexit int a4000t_device_remove(struct platform_device *dev)
+static int __exit amiga_a4000t_scsi_remove(struct platform_device *pdev)
{
- struct Scsi_Host *host = platform_get_drvdata(dev);
+ struct Scsi_Host *host = platform_get_drvdata(pdev);
struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
scsi_remove_host(host);
-
NCR_700_release(host);
kfree(hostdata);
free_irq(host->irq, host);
- release_mem_region(A4000T_SCSI_ADDR, 0x1000);
-
+ release_mem_region(res->start, resource_size(res));
return 0;
}
-static struct platform_driver a4000t_scsi_driver = {
- .driver = {
- .name = "a4000t-scsi",
- .owner = THIS_MODULE,
+static struct platform_driver amiga_a4000t_scsi_driver = {
+ .remove = __exit_p(amiga_a4000t_scsi_remove),
+ .driver = {
+ .name = "amiga-a4000t-scsi",
+ .owner = THIS_MODULE,
},
- .probe = a4000t_probe,
- .remove = __devexit_p(a4000t_device_remove),
};
-static int __init a4000t_scsi_init(void)
+static int __init amiga_a4000t_scsi_init(void)
{
- int err;
-
- err = platform_driver_register(&a4000t_scsi_driver);
- if (err)
- return err;
-
- a4000t_scsi_device = platform_device_register_simple("a4000t-scsi",
- -1, NULL, 0);
- if (IS_ERR(a4000t_scsi_device)) {
- platform_driver_unregister(&a4000t_scsi_driver);
- return PTR_ERR(a4000t_scsi_device);
- }
-
- return err;
+ return platform_driver_probe(&amiga_a4000t_scsi_driver,
+ amiga_a4000t_scsi_probe);
}
-static void __exit a4000t_scsi_exit(void)
+module_init(amiga_a4000t_scsi_init);
+
+static void __exit amiga_a4000t_scsi_exit(void)
{
- platform_device_unregister(a4000t_scsi_device);
- platform_driver_unregister(&a4000t_scsi_driver);
+ platform_driver_unregister(&amiga_a4000t_scsi_driver);
}
-module_init(a4000t_scsi_init);
-module_exit(a4000t_scsi_exit);
+module_exit(amiga_a4000t_scsi_exit);
+
+MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / "
+ "Kars de Jong <jongk@linux-m68k.org>");
+MODULE_DESCRIPTION("Amiga A4000T NCR53C710 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-a4000t-scsi");
diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 18b7102bb80..2ce26eb7a1e 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -1,36 +1,35 @@
#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/zorro.h>
-#include <asm/setup.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/amigaints.h>
#include <asm/amigahw.h>
-#include <linux/zorro.h>
-#include <asm/irq.h>
-#include <linux/spinlock.h>
#include "scsi.h"
-#include <scsi/scsi_host.h>
#include "wd33c93.h"
#include "gvp11.h"
-#include <linux/stat.h>
+#define CHECK_WD33C93
-#define DMA(ptr) ((gvp11_scsiregs *)((ptr)->base))
+struct gvp11_hostdata {
+ struct WD33C93_hostdata wh;
+ struct gvp11_scsiregs *regs;
+};
-static irqreturn_t gvp11_intr(int irq, void *_instance)
+static irqreturn_t gvp11_intr(int irq, void *data)
{
+ struct Scsi_Host *instance = data;
+ struct gvp11_hostdata *hdata = shost_priv(instance);
+ unsigned int status = hdata->regs->CNTR;
unsigned long flags;
- unsigned int status;
- struct Scsi_Host *instance = (struct Scsi_Host *)_instance;
- status = DMA(instance)->CNTR;
if (!(status & GVP11_DMAC_INT_PENDING))
return IRQ_NONE;
@@ -50,64 +49,66 @@ void gvp11_setup(char *str, int *ints)
static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
{
struct Scsi_Host *instance = cmd->device->host;
- struct WD33C93_hostdata *hdata = shost_priv(instance);
+ struct gvp11_hostdata *hdata = shost_priv(instance);
+ struct WD33C93_hostdata *wh = &hdata->wh;
+ struct gvp11_scsiregs *regs = hdata->regs;
unsigned short cntr = GVP11_DMAC_INT_ENABLE;
unsigned long addr = virt_to_bus(cmd->SCp.ptr);
int bank_mask;
static int scsi_alloc_out_of_range = 0;
/* use bounce buffer if the physical address is bad */
- if (addr & hdata->dma_xfer_mask) {
- hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
+ if (addr & wh->dma_xfer_mask) {
+ wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
if (!scsi_alloc_out_of_range) {
- hdata->dma_bounce_buffer =
- kmalloc(hdata->dma_bounce_len, GFP_KERNEL);
- hdata->dma_buffer_pool = BUF_SCSI_ALLOCED;
+ wh->dma_bounce_buffer =
+ kmalloc(wh->dma_bounce_len, GFP_KERNEL);
+ wh->dma_buffer_pool = BUF_SCSI_ALLOCED;
}
if (scsi_alloc_out_of_range ||
- !hdata->dma_bounce_buffer) {
- hdata->dma_bounce_buffer =
- amiga_chip_alloc(hdata->dma_bounce_len,
+ !wh->dma_bounce_buffer) {
+ wh->dma_bounce_buffer =
+ amiga_chip_alloc(wh->dma_bounce_len,
"GVP II SCSI Bounce Buffer");
- if (!hdata->dma_bounce_buffer) {
- hdata->dma_bounce_len = 0;
+ if (!wh->dma_bounce_buffer) {
+ wh->dma_bounce_len = 0;
return 1;
}
- hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
+ wh->dma_buffer_pool = BUF_CHIP_ALLOCED;
}
/* check if the address of the bounce buffer is OK */
- addr = virt_to_bus(hdata->dma_bounce_buffer);
+ addr = virt_to_bus(wh->dma_bounce_buffer);
- if (addr & hdata->dma_xfer_mask) {
+ if (addr & wh->dma_xfer_mask) {
/* fall back to Chip RAM if address out of range */
- if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED) {
- kfree(hdata->dma_bounce_buffer);
+ if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED) {
+ kfree(wh->dma_bounce_buffer);
scsi_alloc_out_of_range = 1;
} else {
- amiga_chip_free(hdata->dma_bounce_buffer);
+ amiga_chip_free(wh->dma_bounce_buffer);
}
- hdata->dma_bounce_buffer =
- amiga_chip_alloc(hdata->dma_bounce_len,
+ wh->dma_bounce_buffer =
+ amiga_chip_alloc(wh->dma_bounce_len,
"GVP II SCSI Bounce Buffer");
- if (!hdata->dma_bounce_buffer) {
- hdata->dma_bounce_len = 0;
+ if (!wh->dma_bounce_buffer) {
+ wh->dma_bounce_len = 0;
return 1;
}
- addr = virt_to_bus(hdata->dma_bounce_buffer);
- hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
+ addr = virt_to_bus(wh->dma_bounce_buffer);
+ wh->dma_buffer_pool = BUF_CHIP_ALLOCED;
}
if (!dir_in) {
/* copy to bounce buffer for a write */
- memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+ memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr,
cmd->SCp.this_residual);
}
}
@@ -116,11 +117,11 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
if (!dir_in)
cntr |= GVP11_DMAC_DIR_WRITE;
- hdata->dma_dir = dir_in;
- DMA(cmd->device->host)->CNTR = cntr;
+ wh->dma_dir = dir_in;
+ regs->CNTR = cntr;
/* setup DMA *physical* address */
- DMA(cmd->device->host)->ACR = addr;
+ regs->ACR = addr;
if (dir_in) {
/* invalidate any cache */
@@ -130,12 +131,12 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
cache_push(addr, cmd->SCp.this_residual);
}
- bank_mask = (~hdata->dma_xfer_mask >> 18) & 0x01c0;
+ bank_mask = (~wh->dma_xfer_mask >> 18) & 0x01c0;
if (bank_mask)
- DMA(cmd->device->host)->BANK = bank_mask & (addr >> 18);
+ regs->BANK = bank_mask & (addr >> 18);
/* start DMA */
- DMA(cmd->device->host)->ST_DMA = 1;
+ regs->ST_DMA = 1;
/* return success */
return 0;
@@ -144,236 +145,53 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
int status)
{
- struct WD33C93_hostdata *hdata = shost_priv(instance);
+ struct gvp11_hostdata *hdata = shost_priv(instance);
+ struct WD33C93_hostdata *wh = &hdata->wh;
+ struct gvp11_scsiregs *regs = hdata->regs;
/* stop DMA */
- DMA(instance)->SP_DMA = 1;
+ regs->SP_DMA = 1;
/* remove write bit from CONTROL bits */
- DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
+ regs->CNTR = GVP11_DMAC_INT_ENABLE;
/* copy from a bounce buffer, if necessary */
- if (status && hdata->dma_bounce_buffer) {
- if (hdata->dma_dir && SCpnt)
- memcpy(SCpnt->SCp.ptr, hdata->dma_bounce_buffer,
+ if (status && wh->dma_bounce_buffer) {
+ if (wh->dma_dir && SCpnt)
+ memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer,
SCpnt->SCp.this_residual);
- if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED)
- kfree(hdata->dma_bounce_buffer);
- else
- amiga_chip_free(hdata->dma_bounce_buffer);
-
- hdata->dma_bounce_buffer = NULL;
- hdata->dma_bounce_len = 0;
- }
-}
-
-#define CHECK_WD33C93
-
-int __init gvp11_detect(struct scsi_host_template *tpnt)
-{
- static unsigned char called = 0;
- struct Scsi_Host *instance;
- unsigned long address;
- unsigned int epc;
- struct zorro_dev *z = NULL;
- unsigned int default_dma_xfer_mask;
- struct WD33C93_hostdata *hdata;
- wd33c93_regs regs;
- int num_gvp11 = 0;
-#ifdef CHECK_WD33C93
- volatile unsigned char *sasr_3393, *scmd_3393;
- unsigned char save_sasr;
- unsigned char q, qq;
-#endif
-
- if (!MACH_IS_AMIGA || called)
- return 0;
- called = 1;
-
- tpnt->proc_name = "GVP11";
- tpnt->proc_info = &wd33c93_proc_info;
-
- while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
- /*
- * This should (hopefully) be the correct way to identify
- * all the different GVP SCSI controllers (except for the
- * SERIES I though).
- */
-
- if (z->id == ZORRO_PROD_GVP_COMBO_030_R3_SCSI ||
- z->id == ZORRO_PROD_GVP_SERIES_II)
- default_dma_xfer_mask = ~0x00ffffff;
- else if (z->id == ZORRO_PROD_GVP_GFORCE_030_SCSI ||
- z->id == ZORRO_PROD_GVP_A530_SCSI ||
- z->id == ZORRO_PROD_GVP_COMBO_030_R4_SCSI)
- default_dma_xfer_mask = ~0x01ffffff;
- else if (z->id == ZORRO_PROD_GVP_A1291 ||
- z->id == ZORRO_PROD_GVP_GFORCE_040_SCSI_1)
- default_dma_xfer_mask = ~0x07ffffff;
+ if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED)
+ kfree(wh->dma_bounce_buffer);
else
- continue;
-
- /*
- * Rumors state that some GVP ram boards use the same product
- * code as the SCSI controllers. Therefore if the board-size
- * is not 64KB we asume it is a ram board and bail out.
- */
- if (z->resource.end - z->resource.start != 0xffff)
- continue;
+ amiga_chip_free(wh->dma_bounce_buffer);
- address = z->resource.start;
- if (!request_mem_region(address, 256, "wd33c93"))
- continue;
-
-#ifdef CHECK_WD33C93
-
- /*
- * These darn GVP boards are a problem - it can be tough to tell
- * whether or not they include a SCSI controller. This is the
- * ultimate Yet-Another-GVP-Detection-Hack in that it actually
- * probes for a WD33c93 chip: If we find one, it's extremely
- * likely that this card supports SCSI, regardless of Product_
- * Code, Board_Size, etc.
- */
-
- /* Get pointers to the presumed register locations and save contents */
-
- sasr_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SASR);
- scmd_3393 = &(((gvp11_scsiregs *)(ZTWO_VADDR(address)))->SCMD);
- save_sasr = *sasr_3393;
-
- /* First test the AuxStatus Reg */
-
- q = *sasr_3393; /* read it */
- if (q & 0x08) /* bit 3 should always be clear */
- goto release;
- *sasr_3393 = WD_AUXILIARY_STATUS; /* setup indirect address */
- if (*sasr_3393 == WD_AUXILIARY_STATUS) { /* shouldn't retain the write */
- *sasr_3393 = save_sasr; /* Oops - restore this byte */
- goto release;
- }
- if (*sasr_3393 != q) { /* should still read the same */
- *sasr_3393 = save_sasr; /* Oops - restore this byte */
- goto release;
- }
- if (*scmd_3393 != q) /* and so should the image at 0x1f */
- goto release;
-
- /*
- * Ok, we probably have a wd33c93, but let's check a few other places
- * for good measure. Make sure that this works for both 'A and 'B
- * chip versions.
- */
-
- *sasr_3393 = WD_SCSI_STATUS;
- q = *scmd_3393;
- *sasr_3393 = WD_SCSI_STATUS;
- *scmd_3393 = ~q;
- *sasr_3393 = WD_SCSI_STATUS;
- qq = *scmd_3393;
- *sasr_3393 = WD_SCSI_STATUS;
- *scmd_3393 = q;
- if (qq != q) /* should be read only */
- goto release;
- *sasr_3393 = 0x1e; /* this register is unimplemented */
- q = *scmd_3393;
- *sasr_3393 = 0x1e;
- *scmd_3393 = ~q;
- *sasr_3393 = 0x1e;
- qq = *scmd_3393;
- *sasr_3393 = 0x1e;
- *scmd_3393 = q;
- if (qq != q || qq != 0xff) /* should be read only, all 1's */
- goto release;
- *sasr_3393 = WD_TIMEOUT_PERIOD;
- q = *scmd_3393;
- *sasr_3393 = WD_TIMEOUT_PERIOD;
- *scmd_3393 = ~q;
- *sasr_3393 = WD_TIMEOUT_PERIOD;
- qq = *scmd_3393;
- *sasr_3393 = WD_TIMEOUT_PERIOD;
- *scmd_3393 = q;
- if (qq != (~q & 0xff)) /* should be read/write */
- goto release;
-#endif
-
- instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
- if (instance == NULL)
- goto release;
- instance->base = ZTWO_VADDR(address);
- instance->irq = IRQ_AMIGA_PORTS;
- instance->unique_id = z->slotaddr;
-
- hdata = shost_priv(instance);
- if (gvp11_xfer_mask)
- hdata->dma_xfer_mask = gvp11_xfer_mask;
- else
- hdata->dma_xfer_mask = default_dma_xfer_mask;
-
- DMA(instance)->secret2 = 1;
- DMA(instance)->secret1 = 0;
- DMA(instance)->secret3 = 15;
- while (DMA(instance)->CNTR & GVP11_DMAC_BUSY)
- ;
- DMA(instance)->CNTR = 0;
-
- DMA(instance)->BANK = 0;
-
- epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
-
- /*
- * Check for 14MHz SCSI clock
- */
- regs.SASR = &(DMA(instance)->SASR);
- regs.SCMD = &(DMA(instance)->SCMD);
- hdata->no_sync = 0xff;
- hdata->fast = 0;
- hdata->dma_mode = CTRL_DMA;
- wd33c93_init(instance, regs, dma_setup, dma_stop,
- (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
- : WD33C93_FS_12_15);
-
- if (request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED,
- "GVP11 SCSI", instance))
- goto unregister;
- DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
- num_gvp11++;
- continue;
-
-unregister:
- scsi_unregister(instance);
-release:
- release_mem_region(address, 256);
+ wh->dma_bounce_buffer = NULL;
+ wh->dma_bounce_len = 0;
}
-
- return num_gvp11;
}
static int gvp11_bus_reset(struct scsi_cmnd *cmd)
{
+ struct Scsi_Host *instance = cmd->device->host;
+
/* FIXME perform bus-specific reset */
/* FIXME 2: shouldn't we no-op this function (return
FAILED), and fall back to host reset function,
wd33c93_host_reset ? */
- spin_lock_irq(cmd->device->host->host_lock);
+ spin_lock_irq(instance->host_lock);
wd33c93_host_reset(cmd);
- spin_unlock_irq(cmd->device->host->host_lock);
+ spin_unlock_irq(instance->host_lock);
return SUCCESS;
}
-
-#define HOSTS_C
-
-#include "gvp11.h"
-
-static struct scsi_host_template driver_template = {
- .proc_name = "GVP11",
+static struct scsi_host_template gvp11_scsi_template = {
+ .module = THIS_MODULE,
.name = "GVP Series II SCSI",
- .detect = gvp11_detect,
- .release = gvp11_release,
+ .proc_info = wd33c93_proc_info,
+ .proc_name = "GVP11",
.queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = gvp11_bus_reset,
@@ -385,17 +203,230 @@ static struct scsi_host_template driver_template = {
.use_clustering = DISABLE_CLUSTERING
};
+static int __devinit check_wd33c93(struct gvp11_scsiregs *regs)
+{
+#ifdef CHECK_WD33C93
+ volatile unsigned char *sasr_3393, *scmd_3393;
+ unsigned char save_sasr;
+ unsigned char q, qq;
-#include "scsi_module.c"
+ /*
+ * These darn GVP boards are a problem - it can be tough to tell
+ * whether or not they include a SCSI controller. This is the
+ * ultimate Yet-Another-GVP-Detection-Hack in that it actually
+ * probes for a WD33c93 chip: If we find one, it's extremely
+ * likely that this card supports SCSI, regardless of Product_
+ * Code, Board_Size, etc.
+ */
+
+ /* Get pointers to the presumed register locations and save contents */
+
+ sasr_3393 = &regs->SASR;
+ scmd_3393 = &regs->SCMD;
+ save_sasr = *sasr_3393;
+
+ /* First test the AuxStatus Reg */
+
+ q = *sasr_3393; /* read it */
+ if (q & 0x08) /* bit 3 should always be clear */
+ return -ENODEV;
+ *sasr_3393 = WD_AUXILIARY_STATUS; /* setup indirect address */
+ if (*sasr_3393 == WD_AUXILIARY_STATUS) { /* shouldn't retain the write */
+ *sasr_3393 = save_sasr; /* Oops - restore this byte */
+ return -ENODEV;
+ }
+ if (*sasr_3393 != q) { /* should still read the same */
+ *sasr_3393 = save_sasr; /* Oops - restore this byte */
+ return -ENODEV;
+ }
+ if (*scmd_3393 != q) /* and so should the image at 0x1f */
+ return -ENODEV;
+
+ /*
+ * Ok, we probably have a wd33c93, but let's check a few other places
+ * for good measure. Make sure that this works for both 'A and 'B
+ * chip versions.
+ */
+
+ *sasr_3393 = WD_SCSI_STATUS;
+ q = *scmd_3393;
+ *sasr_3393 = WD_SCSI_STATUS;
+ *scmd_3393 = ~q;
+ *sasr_3393 = WD_SCSI_STATUS;
+ qq = *scmd_3393;
+ *sasr_3393 = WD_SCSI_STATUS;
+ *scmd_3393 = q;
+ if (qq != q) /* should be read only */
+ return -ENODEV;
+ *sasr_3393 = 0x1e; /* this register is unimplemented */
+ q = *scmd_3393;
+ *sasr_3393 = 0x1e;
+ *scmd_3393 = ~q;
+ *sasr_3393 = 0x1e;
+ qq = *scmd_3393;
+ *sasr_3393 = 0x1e;
+ *scmd_3393 = q;
+ if (qq != q || qq != 0xff) /* should be read only, all 1's */
+ return -ENODEV;
+ *sasr_3393 = WD_TIMEOUT_PERIOD;
+ q = *scmd_3393;
+ *sasr_3393 = WD_TIMEOUT_PERIOD;
+ *scmd_3393 = ~q;
+ *sasr_3393 = WD_TIMEOUT_PERIOD;
+ qq = *scmd_3393;
+ *sasr_3393 = WD_TIMEOUT_PERIOD;
+ *scmd_3393 = q;
+ if (qq != (~q & 0xff)) /* should be read/write */
+ return -ENODEV;
+#endif /* CHECK_WD33C93 */
-int gvp11_release(struct Scsi_Host *instance)
+ return 0;
+}
+
+static int __devinit gvp11_probe(struct zorro_dev *z,
+ const struct zorro_device_id *ent)
{
-#ifdef MODULE
- DMA(instance)->CNTR = 0;
- release_mem_region(ZTWO_PADDR(instance->base), 256);
+ struct Scsi_Host *instance;
+ unsigned long address;
+ int error;
+ unsigned int epc;
+ unsigned int default_dma_xfer_mask;
+ struct gvp11_hostdata *hdata;
+ struct gvp11_scsiregs *regs;
+ wd33c93_regs wdregs;
+
+ default_dma_xfer_mask = ent->driver_data;
+
+ /*
+ * Rumors state that some GVP ram boards use the same product
+ * code as the SCSI controllers. Therefore if the board-size
+ * is not 64KB we asume it is a ram board and bail out.
+ */
+ if (zorro_resource_len(z) != 0x10000)
+ return -ENODEV;
+
+ address = z->resource.start;
+ if (!request_mem_region(address, 256, "wd33c93"))
+ return -EBUSY;
+
+ regs = (struct gvp11_scsiregs *)(ZTWO_VADDR(address));
+
+ error = check_wd33c93(regs);
+ if (error)
+ goto fail_check_or_alloc;
+
+ instance = scsi_host_alloc(&gvp11_scsi_template,
+ sizeof(struct gvp11_hostdata));
+ if (!instance) {
+ error = -ENOMEM;
+ goto fail_check_or_alloc;
+ }
+
+ instance->irq = IRQ_AMIGA_PORTS;
+ instance->unique_id = z->slotaddr;
+
+ regs->secret2 = 1;
+ regs->secret1 = 0;
+ regs->secret3 = 15;
+ while (regs->CNTR & GVP11_DMAC_BUSY)
+ ;
+ regs->CNTR = 0;
+ regs->BANK = 0;
+
+ wdregs.SASR = &regs->SASR;
+ wdregs.SCMD = &regs->SCMD;
+
+ hdata = shost_priv(instance);
+ if (gvp11_xfer_mask)
+ hdata->wh.dma_xfer_mask = gvp11_xfer_mask;
+ else
+ hdata->wh.dma_xfer_mask = default_dma_xfer_mask;
+
+ hdata->wh.no_sync = 0xff;
+ hdata->wh.fast = 0;
+ hdata->wh.dma_mode = CTRL_DMA;
+ hdata->regs = regs;
+
+ /*
+ * Check for 14MHz SCSI clock
+ */
+ epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
+ wd33c93_init(instance, wdregs, dma_setup, dma_stop,
+ (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
+ : WD33C93_FS_12_15);
+
+ error = request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED,
+ "GVP11 SCSI", instance);
+ if (error)
+ goto fail_irq;
+
+ regs->CNTR = GVP11_DMAC_INT_ENABLE;
+
+ error = scsi_add_host(instance, NULL);
+ if (error)
+ goto fail_host;
+
+ zorro_set_drvdata(z, instance);
+ scsi_scan_host(instance);
+ return 0;
+
+fail_host:
free_irq(IRQ_AMIGA_PORTS, instance);
-#endif
- return 1;
+fail_irq:
+ scsi_host_put(instance);
+fail_check_or_alloc:
+ release_mem_region(address, 256);
+ return error;
+}
+
+static void __devexit gvp11_remove(struct zorro_dev *z)
+{
+ struct Scsi_Host *instance = zorro_get_drvdata(z);
+ struct gvp11_hostdata *hdata = shost_priv(instance);
+
+ hdata->regs->CNTR = 0;
+ scsi_remove_host(instance);
+ free_irq(IRQ_AMIGA_PORTS, instance);
+ scsi_host_put(instance);
+ release_mem_region(z->resource.start, 256);
+}
+
+ /*
+ * This should (hopefully) be the correct way to identify
+ * all the different GVP SCSI controllers (except for the
+ * SERIES I though).
+ */
+
+static struct zorro_device_id gvp11_zorro_tbl[] __devinitdata = {
+ { ZORRO_PROD_GVP_COMBO_030_R3_SCSI, ~0x00ffffff },
+ { ZORRO_PROD_GVP_SERIES_II, ~0x00ffffff },
+ { ZORRO_PROD_GVP_GFORCE_030_SCSI, ~0x01ffffff },
+ { ZORRO_PROD_GVP_A530_SCSI, ~0x01ffffff },
+ { ZORRO_PROD_GVP_COMBO_030_R4_SCSI, ~0x01ffffff },
+ { ZORRO_PROD_GVP_A1291, ~0x07ffffff },
+ { ZORRO_PROD_GVP_GFORCE_040_SCSI_1, ~0x07ffffff },
+ { 0 }
+};
+MODULE_DEVICE_TABLE(zorro, gvp11_zorro_tbl);
+
+static struct zorro_driver gvp11_driver = {
+ .name = "gvp11",
+ .id_table = gvp11_zorro_tbl,
+ .probe = gvp11_probe,
+ .remove = __devexit_p(gvp11_remove),
+};
+
+static int __init gvp11_init(void)
+{
+ return zorro_register_driver(&gvp11_driver);
+}
+module_init(gvp11_init);
+
+static void __exit gvp11_exit(void)
+{
+ zorro_unregister_driver(&gvp11_driver);
}
+module_exit(gvp11_exit);
+MODULE_DESCRIPTION("GVP Series II SCSI");
MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h
index e2efdf9601e..852913cde5d 100644
--- a/drivers/scsi/gvp11.h
+++ b/drivers/scsi/gvp11.h
@@ -11,9 +11,6 @@
#include <linux/types.h>
-int gvp11_detect(struct scsi_host_template *);
-int gvp11_release(struct Scsi_Host *);
-
#ifndef CMD_PER_LUN
#define CMD_PER_LUN 2
#endif
@@ -22,15 +19,13 @@ int gvp11_release(struct Scsi_Host *);
#define CAN_QUEUE 16
#endif
-#ifndef HOSTS_C
-
/*
* if the transfer address ANDed with this results in a non-zero
* result, then we can't use DMA.
*/
#define GVP11_XFER_MASK (0xff000001)
-typedef struct {
+struct gvp11_scsiregs {
unsigned char pad1[64];
volatile unsigned short CNTR;
unsigned char pad2[31];
@@ -46,7 +41,7 @@ typedef struct {
volatile unsigned short SP_DMA;
volatile unsigned short secret2; /* store 1 here */
volatile unsigned short secret3; /* store 15 here */
-} gvp11_scsiregs;
+};
/* bits in CNTR */
#define GVP11_DMAC_BUSY (1<<0)
@@ -54,6 +49,4 @@ typedef struct {
#define GVP11_DMAC_INT_ENABLE (1<<3)
#define GVP11_DMAC_DIR_WRITE (1<<4)
-#endif /* else def HOSTS_C */
-
#endif /* GVP11_H */
diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c
index 716d1785cda..c29d0dbb966 100644
--- a/drivers/scsi/mvme147.c
+++ b/drivers/scsi/mvme147.c
@@ -16,12 +16,12 @@
#include <linux/stat.h>
-static struct Scsi_Host *mvme147_host = NULL;
-
-static irqreturn_t mvme147_intr(int irq, void *dummy)
+static irqreturn_t mvme147_intr(int irq, void *data)
{
+ struct Scsi_Host *instance = data;
+
if (irq == MVME147_IRQ_SCSI_PORT)
- wd33c93_intr(mvme147_host);
+ wd33c93_intr(instance);
else
m147_pcc->dma_intr = 0x89; /* Ack and enable ints */
return IRQ_HANDLED;
@@ -29,7 +29,8 @@ static irqreturn_t mvme147_intr(int irq, void *dummy)
static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
{
- struct WD33C93_hostdata *hdata = shost_priv(mvme147_host);
+ struct Scsi_Host *instance = cmd->device->host;
+ struct WD33C93_hostdata *hdata = shost_priv(instance);
unsigned char flags = 0x01;
unsigned long addr = virt_to_bus(cmd->SCp.ptr);
@@ -66,6 +67,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
int mvme147_detect(struct scsi_host_template *tpnt)
{
static unsigned char called = 0;
+ struct Scsi_Host *instance;
wd33c93_regs regs;
struct WD33C93_hostdata *hdata;
@@ -76,25 +78,25 @@ int mvme147_detect(struct scsi_host_template *tpnt)
tpnt->proc_name = "MVME147";
tpnt->proc_info = &wd33c93_proc_info;
- mvme147_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
- if (!mvme147_host)
+ instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+ if (!instance)
goto err_out;
- mvme147_host->base = 0xfffe4000;
- mvme147_host->irq = MVME147_IRQ_SCSI_PORT;
+ instance->base = 0xfffe4000;
+ instance->irq = MVME147_IRQ_SCSI_PORT;
regs.SASR = (volatile unsigned char *)0xfffe4000;
regs.SCMD = (volatile unsigned char *)0xfffe4001;
- hdata = shost_priv(mvme147_host);
+ hdata = shost_priv(instance);
hdata->no_sync = 0xff;
hdata->fast = 0;
hdata->dma_mode = CTRL_DMA;
- wd33c93_init(mvme147_host, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
+ wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
if (request_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr, 0,
- "MVME147 SCSI PORT", mvme147_intr))
+ "MVME147 SCSI PORT", instance))
goto err_unregister;
if (request_irq(MVME147_IRQ_SCSI_DMA, mvme147_intr, 0,
- "MVME147 SCSI DMA", mvme147_intr))
+ "MVME147 SCSI DMA", instance))
goto err_free_irq;
#if 0 /* Disabled; causes problems booting */
m147_pcc->scsi_interrupt = 0x10; /* Assert SCSI bus reset */
@@ -113,7 +115,7 @@ int mvme147_detect(struct scsi_host_template *tpnt)
err_free_irq:
free_irq(MVME147_IRQ_SCSI_PORT, mvme147_intr);
err_unregister:
- scsi_unregister(mvme147_host);
+ scsi_unregister(instance);
err_out:
return 0;
}
@@ -132,9 +134,6 @@ static int mvme147_bus_reset(struct scsi_cmnd *cmd)
return SUCCESS;
}
-#define HOSTS_C
-
-#include "mvme147.h"
static struct scsi_host_template driver_template = {
.proc_name = "MVME147",