[ARM] rpc: update Acorn SCSI drivers to modern ecard interfaces
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c
index cf9a21c..49d838e 100644
--- a/drivers/scsi/arm/cumana_1.c
+++ b/drivers/scsi/arm/cumana_1.c
@@ -24,7 +24,7 @@
#define CUMANASCSI_PUBLIC_RELEASE 1
-#define NCR5380_implementation_fields int port, ctrl
+#define priv(host) ((struct NCR5380_hostdata *)(host)->hostdata)
#define NCR5380_local_declare() struct Scsi_Host *_instance
#define NCR5380_setup(instance) _instance = instance
#define NCR5380_read(reg) cumanascsi_read(_instance, reg)
@@ -33,6 +33,11 @@
#define NCR5380_queue_command cumanascsi_queue_command
#define NCR5380_proc_info cumanascsi_proc_info
+#define NCR5380_implementation_fields \
+ unsigned ctrl; \
+ void __iomem *base; \
+ void __iomem *dma
+
#define BOARD_NORMAL 0
#define BOARD_NCR53C400 1
@@ -47,193 +52,163 @@
return "";
}
-#ifdef NOT_EFFICIENT
-#define CTRL(p,v) outb(*ctrl = (v), (p) - 577)
-#define STAT(p) inb((p)+1)
-#define IN(p) inb((p))
-#define OUT(v,p) outb((v), (p))
-#else
-#define CTRL(p,v) (p[-2308] = (*ctrl = (v)))
-#define STAT(p) (p[4])
-#define IN(p) (*(p))
-#define IN2(p) ((unsigned short)(*(volatile unsigned long *)(p)))
-#define OUT(v,p) (*(p) = (v))
-#define OUT2(v,p) (*((volatile unsigned long *)(p)) = (v))
-#endif
-#define L(v) (((v)<<16)|((v) & 0x0000ffff))
-#define H(v) (((v)>>16)|((v) & 0xffff0000))
+#define CTRL 0x16fc
+#define STAT 0x2004
+#define L(v) (((v)<<16)|((v) & 0x0000ffff))
+#define H(v) (((v)>>16)|((v) & 0xffff0000))
static inline int
-NCR5380_pwrite(struct Scsi_Host *instance, unsigned char *addr, int len)
+NCR5380_pwrite(struct Scsi_Host *host, unsigned char *addr, int len)
{
- int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
- int oldctrl = *ctrl;
unsigned long *laddr;
-#ifdef NOT_EFFICIENT
- int iobase = instance->io_port;
- int dma_io = iobase & ~(0x3C0000>>2);
-#else
- volatile unsigned char *iobase = (unsigned char *)ioaddr(instance->io_port);
- volatile unsigned char *dma_io = (unsigned char *)((int)iobase & ~0x3C0000);
-#endif
+ void __iomem *dma = priv(host)->dma + 0x2000;
if(!len) return 0;
- CTRL(iobase, 0x02);
+ writeb(0x02, priv(host)->base + CTRL);
laddr = (unsigned long *)addr;
while(len >= 32)
{
- int status;
+ unsigned int status;
unsigned long v;
- status = STAT(iobase);
+ status = readb(priv(host)->base + STAT);
if(status & 0x80)
goto end;
if(!(status & 0x40))
continue;
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
- v=*laddr++; OUT2(L(v),dma_io); OUT2(H(v),dma_io);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
+ v=*laddr++; writew(L(v), dma); writew(H(v), dma);
len -= 32;
if(len == 0)
break;
}
addr = (unsigned char *)laddr;
- CTRL(iobase, 0x12);
+ writeb(0x12, priv(host)->base + CTRL);
+
while(len > 0)
{
- int status;
- status = STAT(iobase);
+ unsigned int status;
+ status = readb(priv(host)->base + STAT);
if(status & 0x80)
goto end;
if(status & 0x40)
{
- OUT(*addr++, dma_io);
+ writeb(*addr++, dma);
if(--len == 0)
break;
}
- status = STAT(iobase);
+ status = readb(priv(host)->base + STAT);
if(status & 0x80)
goto end;
if(status & 0x40)
{
- OUT(*addr++, dma_io);
+ writeb(*addr++, dma);
if(--len == 0)
break;
}
}
end:
- CTRL(iobase, oldctrl|0x40);
+ writeb(priv(host)->ctrl | 0x40, priv(host)->base + CTRL);
return len;
}
static inline int
-NCR5380_pread(struct Scsi_Host *instance, unsigned char *addr, int len)
+NCR5380_pread(struct Scsi_Host *host, unsigned char *addr, int len)
{
- int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
- int oldctrl = *ctrl;
unsigned long *laddr;
-#ifdef NOT_EFFICIENT
- int iobase = instance->io_port;
- int dma_io = iobase & ~(0x3C0000>>2);
-#else
- volatile unsigned char *iobase = (unsigned char *)ioaddr(instance->io_port);
- volatile unsigned char *dma_io = (unsigned char *)((int)iobase & ~0x3C0000);
-#endif
+ void __iomem *dma = priv(host)->dma + 0x2000;
if(!len) return 0;
- CTRL(iobase, 0x00);
+ writeb(0x00, priv(host)->base + CTRL);
laddr = (unsigned long *)addr;
while(len >= 32)
{
- int status;
- status = STAT(iobase);
+ unsigned int status;
+ status = readb(priv(host)->base + STAT);
if(status & 0x80)
goto end;
if(!(status & 0x40))
continue;
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
- *laddr++ = IN2(dma_io)|(IN2(dma_io)<<16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
+ *laddr++ = readw(dma) | (readw(dma) << 16);
len -= 32;
if(len == 0)
break;
}
addr = (unsigned char *)laddr;
- CTRL(iobase, 0x10);
+ writeb(0x10, priv(host)->base + CTRL);
+
while(len > 0)
{
- int status;
- status = STAT(iobase);
+ unsigned int status;
+ status = readb(priv(host)->base + STAT);
if(status & 0x80)
goto end;
if(status & 0x40)
{
- *addr++ = IN(dma_io);
+ *addr++ = readb(dma);
if(--len == 0)
break;
}
- status = STAT(iobase);
+ status = readb(priv(host)->base + STAT);
if(status & 0x80)
goto end;
if(status & 0x40)
{
- *addr++ = IN(dma_io);
+ *addr++ = readb(dma);
if(--len == 0)
break;
}
}
end:
- CTRL(iobase, oldctrl|0x40);
+ writeb(priv(host)->ctrl | 0x40, priv(host)->base + CTRL);
return len;
}
-#undef STAT
-#undef CTRL
-#undef IN
-#undef OUT
-
-#define CTRL(p,v) outb(*ctrl = (v), (p) - 577)
-
-static char cumanascsi_read(struct Scsi_Host *instance, int reg)
+static unsigned char cumanascsi_read(struct Scsi_Host *host, unsigned int reg)
{
- unsigned int iobase = instance->io_port;
- int i;
- int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
+ void __iomem *base = priv(host)->base;
+ unsigned char val;
- CTRL(iobase, 0);
- i = inb(iobase + 64 + reg);
- CTRL(iobase, 0x40);
+ writeb(0, base + CTRL);
- return i;
+ val = readb(base + 0x2100 + (reg << 2));
+
+ priv(host)->ctrl = 0x40;
+ writeb(0x40, base + CTRL);
+
+ return val;
}
-static void cumanascsi_write(struct Scsi_Host *instance, int reg, int value)
+static void cumanascsi_write(struct Scsi_Host *host, unsigned int reg, unsigned int value)
{
- int iobase = instance->io_port;
- int *ctrl = &((struct NCR5380_hostdata *)instance->hostdata)->ctrl;
+ void __iomem *base = priv(host)->base;
- CTRL(iobase, 0);
- outb(value, iobase + 64 + reg);
- CTRL(iobase, 0x40);
+ writeb(0, base + CTRL);
+
+ writeb(value, base + 0x2100 + (reg << 2));
+
+ priv(host)->ctrl = 0x40;
+ writeb(0x40, base + CTRL);
}
-#undef CTRL
-
#include "../NCR5380.c"
static struct scsi_host_template cumanascsi_template = {
@@ -256,32 +231,46 @@
cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
{
struct Scsi_Host *host;
- int ret = -ENOMEM;
+ int ret;
- host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
- if (!host)
+ ret = ecard_request_resources(ec);
+ if (ret)
goto out;
- host->io_port = ecard_address(ec, ECARD_IOC, ECARD_SLOW) + 0x800;
+ host = scsi_host_alloc(&cumanascsi_template, sizeof(struct NCR5380_hostdata));
+ if (!host) {
+ ret = -ENOMEM;
+ goto out_release;
+ }
+
+ priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCSLOW),
+ ecard_resource_len(ec, ECARD_RES_IOCSLOW));
+ priv(host)->dma = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
+ ecard_resource_len(ec, ECARD_RES_MEMC));
+ if (!priv(host)->base || !priv(host)->dma) {
+ ret = -ENOMEM;
+ goto out_unmap;
+ }
+
host->irq = ec->irq;
NCR5380_init(host, 0);
+ priv(host)->ctrl = 0;
+ writeb(0, priv(host)->base + CTRL);
+
host->n_io_port = 255;
if (!(request_region(host->io_port, host->n_io_port, "CumanaSCSI-1"))) {
ret = -EBUSY;
- goto out_free;
+ goto out_unmap;
}
- ((struct NCR5380_hostdata *)host->hostdata)->ctrl = 0;
- outb(0x00, host->io_port - 577);
-
ret = request_irq(host->irq, cumanascsi_intr, IRQF_DISABLED,
"CumanaSCSI-1", host);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, host->irq, ret);
- goto out_release;
+ goto out_unmap;
}
printk("scsi%d: at port 0x%08lx irq %d",
@@ -301,10 +290,12 @@
out_free_irq:
free_irq(host->irq, host);
- out_release:
- release_region(host->io_port, host->n_io_port);
- out_free:
+ out_unmap:
+ iounmap(priv(host)->base);
+ iounmap(priv(host)->dma);
scsi_host_put(host);
+ out_release:
+ ecard_release_resources(ec);
out:
return ret;
}
@@ -318,8 +309,10 @@
scsi_remove_host(host);
free_irq(host->irq, host);
NCR5380_exit(host);
- release_region(host->io_port, host->n_io_port);
+ iounmap(priv(host)->base);
+ iounmap(priv(host)->dma);
scsi_host_put(host);
+ ecard_release_resources(ec);
}
static const struct ecard_id cumanascsi1_cids[] = {