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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>
This commit is contained in:
Geert Uytterhoeven
parent
5d3f2c3860
commit
c737e22cde
@ -1,28 +1,20 @@
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#include <linux/types.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/blkdev.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <linux/zorro.h>
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#include <asm/setup.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <asm/amigaints.h>
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#include <asm/amigahw.h>
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#include <linux/zorro.h>
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#include <asm/irq.h>
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#include <linux/spinlock.h>
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#include "scsi.h"
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#include <scsi/scsi_host.h>
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#include "wd33c93.h"
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#include "a2091.h"
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#include <linux/stat.h>
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static int a2091_release(struct Scsi_Host *instance);
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static irqreturn_t a2091_intr(int irq, void *data)
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{
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@ -147,85 +139,27 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
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}
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}
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static int __init a2091_detect(struct scsi_host_template *tpnt)
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{
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static unsigned char called = 0;
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struct Scsi_Host *instance;
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unsigned long address;
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struct zorro_dev *z = NULL;
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wd33c93_regs wdregs;
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struct a2091_scsiregs *regs;
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struct WD33C93_hostdata *hdata;
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int num_a2091 = 0;
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if (!MACH_IS_AMIGA || called)
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return 0;
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called = 1;
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tpnt->proc_name = "A2091";
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tpnt->proc_info = &wd33c93_proc_info;
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while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
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if (z->id != ZORRO_PROD_CBM_A590_A2091_1 &&
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z->id != ZORRO_PROD_CBM_A590_A2091_2)
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continue;
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address = z->resource.start;
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if (!request_mem_region(address, 256, "wd33c93"))
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continue;
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instance = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
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if (instance == NULL)
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goto release;
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instance->base = ZTWO_VADDR(address);
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instance->irq = IRQ_AMIGA_PORTS;
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instance->unique_id = z->slotaddr;
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regs = (struct a2091_scsiregs *)(instance->base);
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regs->DAWR = DAWR_A2091;
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wdregs.SASR = ®s->SASR;
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wdregs.SCMD = ®s->SCMD;
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hdata = shost_priv(instance);
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hdata->no_sync = 0xff;
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hdata->fast = 0;
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hdata->dma_mode = CTRL_DMA;
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wd33c93_init(instance, wdregs, dma_setup, dma_stop,
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WD33C93_FS_8_10);
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if (request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
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"A2091 SCSI", instance))
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goto unregister;
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regs->CNTR = CNTR_PDMD | CNTR_INTEN;
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num_a2091++;
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continue;
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unregister:
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scsi_unregister(instance);
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release:
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release_mem_region(address, 256);
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}
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return num_a2091;
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}
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static int a2091_bus_reset(struct scsi_cmnd *cmd)
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{
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struct Scsi_Host *instance = cmd->device->host;
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/* FIXME perform bus-specific reset */
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/* FIXME 2: kill this function, and let midlayer fall back
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to the same action, calling wd33c93_host_reset() */
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spin_lock_irq(cmd->device->host->host_lock);
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spin_lock_irq(instance->host_lock);
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wd33c93_host_reset(cmd);
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spin_unlock_irq(cmd->device->host->host_lock);
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spin_unlock_irq(instance->host_lock);
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return SUCCESS;
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}
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#define HOSTS_C
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static struct scsi_host_template driver_template = {
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.proc_name = "A2901",
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static struct scsi_host_template a2091_scsi_template = {
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.module = THIS_MODULE,
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.name = "Commodore A2091/A590 SCSI",
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.detect = a2091_detect,
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.release = a2091_release,
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.proc_info = wd33c93_proc_info,
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.proc_name = "A2901",
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.queuecommand = wd33c93_queuecommand,
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.eh_abort_handler = wd33c93_abort,
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.eh_bus_reset_handler = a2091_bus_reset,
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@ -237,19 +171,103 @@ static struct scsi_host_template driver_template = {
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.use_clustering = DISABLE_CLUSTERING
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};
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#include "scsi_module.c"
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static int a2091_release(struct Scsi_Host *instance)
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static int __devinit a2091_probe(struct zorro_dev *z,
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const struct zorro_device_id *ent)
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{
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#ifdef MODULE
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struct Scsi_Host *instance;
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int error;
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struct a2091_scsiregs *regs;
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wd33c93_regs wdregs;
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struct WD33C93_hostdata *hdata;
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if (!request_mem_region(z->resource.start, 256, "wd33c93"))
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return -EBUSY;
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instance = scsi_host_alloc(&a2091_scsi_template,
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sizeof(struct WD33C93_hostdata));
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if (!instance) {
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error = -ENOMEM;
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goto fail_alloc;
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}
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instance->base = ZTWO_VADDR(z->resource.start);
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instance->irq = IRQ_AMIGA_PORTS;
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instance->unique_id = z->slotaddr;
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regs = (struct a2091_scsiregs *)(instance->base);
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regs->DAWR = DAWR_A2091;
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wdregs.SASR = ®s->SASR;
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wdregs.SCMD = ®s->SCMD;
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hdata = shost_priv(instance);
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hdata->no_sync = 0xff;
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hdata->fast = 0;
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hdata->dma_mode = CTRL_DMA;
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wd33c93_init(instance, wdregs, dma_setup, dma_stop, WD33C93_FS_8_10);
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error = request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED,
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"A2091 SCSI", instance);
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if (error)
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goto fail_irq;
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regs->CNTR = CNTR_PDMD | CNTR_INTEN;
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error = scsi_add_host(instance, NULL);
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if (error)
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goto fail_host;
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zorro_set_drvdata(z, instance);
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scsi_scan_host(instance);
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return 0;
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fail_host:
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free_irq(IRQ_AMIGA_PORTS, instance);
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fail_irq:
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scsi_host_put(instance);
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fail_alloc:
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release_mem_region(z->resource.start, 256);
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return error;
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}
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static void __devexit a2091_remove(struct zorro_dev *z)
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{
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struct Scsi_Host *instance = zorro_get_drvdata(z);
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struct a2091_scsiregs *regs = (struct a2091_scsiregs *)(instance->base);
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regs->CNTR = 0;
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release_mem_region(ZTWO_PADDR(instance->base), 256);
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scsi_remove_host(instance);
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free_irq(IRQ_AMIGA_PORTS, instance);
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#endif
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return 1;
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scsi_host_put(instance);
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release_mem_region(z->resource.start, 256);
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}
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static struct zorro_device_id a2091_zorro_tbl[] __devinitdata = {
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{ ZORRO_PROD_CBM_A590_A2091_1 },
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{ ZORRO_PROD_CBM_A590_A2091_2 },
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{ 0 }
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};
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MODULE_DEVICE_TABLE(zorro, a2091_zorro_tbl);
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static struct zorro_driver a2091_driver = {
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.name = "a2091",
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.id_table = a2091_zorro_tbl,
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.probe = a2091_probe,
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.remove = __devexit_p(a2091_remove),
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};
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static int __init a2091_init(void)
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{
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return zorro_register_driver(&a2091_driver);
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}
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module_init(a2091_init);
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static void __exit a2091_exit(void)
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{
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zorro_unregister_driver(&a2091_driver);
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}
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module_exit(a2091_exit);
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MODULE_DESCRIPTION("Commodore A2091/A590 SCSI");
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MODULE_LICENSE("GPL");
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