m68k: amiga - GVP Series II SCSI zorro_driver conversion

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

1 files changed, 156 insertions, 142 deletions

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 874cbee1be23..4507a16ee1c6 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -1,26 +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 "gvp11.h"
 
-#include <linux/stat.h>
-
 
 #define CHECK_WD33C93
 
@@ -169,7 +163,40 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
         }
 }
 
-static int __init check_wd33c93(struct gvp11_scsiregs *regs)
+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(instance->host_lock);
+        wd33c93_host_reset(cmd);
+        spin_unlock_irq(instance->host_lock);
+
+        return SUCCESS;
+}
+
+static struct scsi_host_template gvp11_scsi_template = {
+        .module                 = THIS_MODULE,
+        .name                   = "GVP Series II SCSI",
+        .proc_info              = wd33c93_proc_info,
+        .proc_name              = "GVP11",
+        .queuecommand           = wd33c93_queuecommand,
+        .eh_abort_handler       = wd33c93_abort,
+        .eh_bus_reset_handler   = gvp11_bus_reset,
+        .eh_host_reset_handler  = wd33c93_host_reset,
+        .can_queue              = CAN_QUEUE,
+        .this_id                = 7,
+        .sg_tablesize           = SG_ALL,
+        .cmd_per_lun            = CMD_PER_LUN,
+        .use_clustering         = DISABLE_CLUSTERING
+};
+
+static int __devinit check_wd33c93(struct gvp11_scsiregs *regs)
 {
 #ifdef CHECK_WD33C93
         volatile unsigned char *sasr_3393, *scmd_3393;
@@ -249,163 +276,150 @@ static int __init check_wd33c93(struct gvp11_scsiregs *regs)
         return 0;
 }
 
-int __init gvp11_detect(struct scsi_host_template *tpnt)
+static int __devinit gvp11_probe(struct zorro_dev *z,
+                                 const struct zorro_device_id *ent)
 {
-        static unsigned char called = 0;
         struct Scsi_Host *instance;
         unsigned long address;
+        int error;
         unsigned int epc;
-        struct zorro_dev *z = NULL;
         unsigned int default_dma_xfer_mask;
         struct WD33C93_hostdata *hdata;
         struct gvp11_scsiregs *regs;
         wd33c93_regs wdregs;
-        int num_gvp11 = 0;
-
-        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;
-                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;
-
-                address = z->resource.start;
-                if (!request_mem_region(address, 256, "wd33c93"))
-                        continue;
-
-                regs = (struct gvp11_scsiregs *)(ZTWO_VADDR(address));
-                if (check_wd33c93(regs))
-                        goto release;
-
-                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;
-
-                regs->secret2 = 1;
-                regs->secret1 = 0;
-                regs->secret3 = 15;
-                while (regs->CNTR & GVP11_DMAC_BUSY)
-                        ;
-                regs->CNTR = 0;
-
-                regs->BANK = 0;
-
-                epc = *(unsigned short *)(ZTWO_VADDR(address) + 0x8000);
-
-                /*
-                 * Check for 14MHz SCSI clock
-                 */
-                wdregs.SASR = &regs->SASR;
-                wdregs.SCMD = &regs->SCMD;
-                hdata->no_sync = 0xff;
-                hdata->fast = 0;
-                hdata->dma_mode = CTRL_DMA;
-                wd33c93_init(instance, wdregs, 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;
-                regs->CNTR = GVP11_DMAC_INT_ENABLE;
-                num_gvp11++;
-                continue;
-
-unregister:
-                scsi_unregister(instance);
-release:
-                release_mem_region(address, 256);
+
+        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 WD33C93_hostdata));
+        if (!instance) {
+                error = -ENOMEM;
+                goto fail_check_or_alloc;
         }
 
-        return num_gvp11;
-}
+        instance->base = (unsigned long)regs;
+        instance->irq = IRQ_AMIGA_PORTS;
+        instance->unique_id = z->slotaddr;
 
-static int gvp11_bus_reset(struct scsi_cmnd *cmd)
-{
-        /* FIXME perform bus-specific reset */
+        regs->secret2 = 1;
+        regs->secret1 = 0;
+        regs->secret3 = 15;
+        while (regs->CNTR & GVP11_DMAC_BUSY)
+                ;
+        regs->CNTR = 0;
+        regs->BANK = 0;
 
-        /* FIXME 2: shouldn't we no-op this function (return
-           FAILED), and fall back to host reset function,
-           wd33c93_host_reset ? */
+        wdregs.SASR = &regs->SASR;
+        wdregs.SCMD = &regs->SCMD;
 
-        spin_lock_irq(cmd->device->host->host_lock);
-        wd33c93_host_reset(cmd);
-        spin_unlock_irq(cmd->device->host->host_lock);
+        hdata = shost_priv(instance);
+        if (gvp11_xfer_mask)
+                hdata->dma_xfer_mask = gvp11_xfer_mask;
+        else
+                hdata->dma_xfer_mask = default_dma_xfer_mask;
 
-        return SUCCESS;
-}
+        hdata->no_sync = 0xff;
+        hdata->fast = 0;
+        hdata->dma_mode = CTRL_DMA;
 
+        /*
+         * 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);
 
-#define HOSTS_C
+        error = request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED,
+                            "GVP11 SCSI", instance);
+        if (error)
+                goto fail_irq;
 
-#include "gvp11.h"
+        regs->CNTR = GVP11_DMAC_INT_ENABLE;
 
-static struct scsi_host_template driver_template = {
-        .proc_name              = "GVP11",
-        .name                   = "GVP Series II SCSI",
-        .detect                 = gvp11_detect,
-        .release                = gvp11_release,
-        .queuecommand           = wd33c93_queuecommand,
-        .eh_abort_handler       = wd33c93_abort,
-        .eh_bus_reset_handler   = gvp11_bus_reset,
-        .eh_host_reset_handler  = wd33c93_host_reset,
-        .can_queue              = CAN_QUEUE,
-        .this_id                = 7,
-        .sg_tablesize           = SG_ALL,
-        .cmd_per_lun            = CMD_PER_LUN,
-        .use_clustering         = DISABLE_CLUSTERING
-};
+        error = scsi_add_host(instance, NULL);
+        if (error)
+                goto fail_host;
 
+        zorro_set_drvdata(z, instance);
+        scsi_scan_host(instance);
+        return 0;
 
-#include "scsi_module.c"
+fail_host:
+        free_irq(IRQ_AMIGA_PORTS, instance);
+fail_irq:
+        scsi_host_put(instance);
+fail_check_or_alloc:
+        release_mem_region(address, 256);
+        return error;
+}
 
-int gvp11_release(struct Scsi_Host *instance)
+static void __devexit gvp11_remove(struct zorro_dev *z)
 {
-#ifdef MODULE
+        struct Scsi_Host *instance = zorro_get_drvdata(z);
         struct gvp11_scsiregs *regs = (struct gvp11_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);
+}
+
+        /*
+         * 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");