m68k: amiga - A2091/A590 SCSI zorro_driver conversion

Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 09b3d77db03f5e1c7e2528ed275b916173d5c0d9..fc4fce99528e7b773eeac1fc6c465e3b16bdd7c3 100644 (file)
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -1,28 +1,20 @@
 #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);
 
 static irqreturn_t a2091_intr(int irq, void *data)
 {
@@ -147,85 +139,27 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
        }
 }
 
-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;
-       struct 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 = (struct 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);
-       }
-
-       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 +171,103 @@ 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 WD33C93_hostdata *hdata;
+
+       if (!request_mem_region(z->resource.start, 256, "wd33c93"))
+               return -EBUSY;
+
+       instance = scsi_host_alloc(&a2091_scsi_template,
+                                  sizeof(struct WD33C93_hostdata));
+       if (!instance) {
+               error = -ENOMEM;
+               goto fail_alloc;
+       }
+
+       instance->base = ZTWO_VADDR(z->resource.start);
+       instance->irq = IRQ_AMIGA_PORTS;
+       instance->unique_id = z->slotaddr;
+
+       regs = (struct a2091_scsiregs *)(instance->base);
+       regs->DAWR = DAWR_A2091;
+
+       wdregs.SASR = &regs->SASR;
+       wdregs.SCMD = &regs->SCMD;
 
-#include "scsi_module.c"
+       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);
+       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;
 
-static int a2091_release(struct Scsi_Host *instance)
+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
+       struct Scsi_Host *instance = zorro_get_drvdata(z);
        struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
 
        regs->CNTR = 0;
-       release_mem_region(ZTWO_PADDR(instance->base), 256);
+       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");