#include <linux/types.h>
#include <linux/mm.h>
#include <linux/blkdev.h>
-#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/spinlock.h>
static struct Scsi_Host *a3000_host = NULL;
-static irqreturn_t a3000_intr (int irq, void *dummy, struct pt_regs *fp)
+static int a3000_release(struct Scsi_Host *instance);
+
+static irqreturn_t a3000_intr (int irq, void *dummy)
{
unsigned long flags;
unsigned int status = DMA(a3000_host)->ISTR;
return IRQ_NONE;
}
-static int dma_setup (Scsi_Cmnd *cmd, int dir_in)
+static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
{
unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
unsigned long addr = virt_to_bus(cmd->SCp.ptr);
* end of a physical memory chunk, then allocate a bounce
* buffer
*/
- if (addr & A3000_XFER_MASK ||
- (!dir_in && mm_end_of_chunk (addr, cmd->SCp.this_residual)))
+ if (addr & A3000_XFER_MASK)
{
HDATA(a3000_host)->dma_bounce_len = (cmd->SCp.this_residual + 511)
& ~0x1ff;
if (!dir_in) {
/* copy to bounce buffer for a write */
- if (cmd->use_sg) {
- memcpy (HDATA(a3000_host)->dma_bounce_buffer,
- cmd->SCp.ptr, cmd->SCp.this_residual);
- } else
- memcpy (HDATA(a3000_host)->dma_bounce_buffer,
- cmd->request_buffer, cmd->request_bufflen);
+ memcpy (HDATA(a3000_host)->dma_bounce_buffer,
+ cmd->SCp.ptr, cmd->SCp.this_residual);
}
addr = virt_to_bus(HDATA(a3000_host)->dma_bounce_buffer);
return 0;
}
-static void dma_stop (struct Scsi_Host *instance, Scsi_Cmnd *SCpnt,
- int status)
+static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
+ int status)
{
/* disable SCSI interrupts */
unsigned short cntr = CNTR_PDMD;
/* copy from a bounce buffer, if necessary */
if (status && HDATA(instance)->dma_bounce_buffer) {
- if (SCpnt && SCpnt->use_sg) {
+ if (SCpnt) {
if (HDATA(instance)->dma_dir && SCpnt)
memcpy (SCpnt->SCp.ptr,
HDATA(instance)->dma_bounce_buffer,
HDATA(instance)->dma_bounce_buffer = NULL;
HDATA(instance)->dma_bounce_len = 0;
} else {
- if (HDATA(instance)->dma_dir && SCpnt)
- memcpy (SCpnt->request_buffer,
- HDATA(instance)->dma_bounce_buffer,
- SCpnt->request_bufflen);
-
kfree (HDATA(instance)->dma_bounce_buffer);
HDATA(instance)->dma_bounce_buffer = NULL;
HDATA(instance)->dma_bounce_len = 0;
}
}
-int __init a3000_detect(Scsi_Host_Template *tpnt)
+static int __init a3000_detect(struct scsi_host_template *tpnt)
{
wd33c93_regs regs;
DMA(a3000_host)->DAWR = DAWR_A3000;
regs.SASR = &(DMA(a3000_host)->SASR);
regs.SCMD = &(DMA(a3000_host)->SCMD);
+ HDATA(a3000_host)->no_sync = 0xff;
+ HDATA(a3000_host)->fast = 0;
+ HDATA(a3000_host)->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, SA_SHIRQ, "A3000 SCSI",
+ 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 0;
}
-static int a3000_bus_reset(Scsi_Cmnd *cmd)
+static int a3000_bus_reset(struct scsi_cmnd *cmd)
{
/* 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);
wd33c93_host_reset(cmd);
#define HOSTS_C
-static Scsi_Host_Template driver_template = {
+static struct scsi_host_template driver_template = {
.proc_name = "A3000",
.name = "Amiga 3000 built-in SCSI",
.detect = a3000_detect,
#include "scsi_module.c"
-int a3000_release(struct Scsi_Host *instance)
+static int a3000_release(struct Scsi_Host *instance)
{
wd33c93_release();
DMA(instance)->CNTR = 0;