mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 10:46:40 +07:00
9ffc93f203
Remove all #inclusions of asm/system.h preparatory to splitting and killing it. Performed with the following command: perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *` Signed-off-by: David Howells <dhowells@redhat.com>
228 lines
4.6 KiB
C
228 lines
4.6 KiB
C
/*
|
|
* Oak Generic NCR5380 driver
|
|
*
|
|
* Copyright 1995-2002, Russell King
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/signal.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/blkdev.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/ecard.h>
|
|
#include <asm/io.h>
|
|
|
|
#include "../scsi.h"
|
|
#include <scsi/scsi_host.h>
|
|
|
|
#define AUTOSENSE
|
|
/*#define PSEUDO_DMA*/
|
|
|
|
#define OAKSCSI_PUBLIC_RELEASE 1
|
|
|
|
#define priv(host) ((struct NCR5380_hostdata *)(host)->hostdata)
|
|
#define NCR5380_local_declare() void __iomem *_base
|
|
#define NCR5380_setup(host) _base = priv(host)->base
|
|
|
|
#define NCR5380_read(reg) readb(_base + ((reg) << 2))
|
|
#define NCR5380_write(reg, value) writeb(value, _base + ((reg) << 2))
|
|
#define NCR5380_intr oakscsi_intr
|
|
#define NCR5380_queue_command oakscsi_queue_command
|
|
#define NCR5380_proc_info oakscsi_proc_info
|
|
|
|
#define NCR5380_implementation_fields \
|
|
void __iomem *base
|
|
|
|
#define BOARD_NORMAL 0
|
|
#define BOARD_NCR53C400 1
|
|
|
|
#include "../NCR5380.h"
|
|
|
|
#undef START_DMA_INITIATOR_RECEIVE_REG
|
|
#define START_DMA_INITIATOR_RECEIVE_REG (128 + 7)
|
|
|
|
const char * oakscsi_info (struct Scsi_Host *spnt)
|
|
{
|
|
return "";
|
|
}
|
|
|
|
#define STAT ((128 + 16) << 2)
|
|
#define DATA ((128 + 8) << 2)
|
|
|
|
static inline int NCR5380_pwrite(struct Scsi_Host *instance, unsigned char *addr,
|
|
int len)
|
|
{
|
|
void __iomem *base = priv(instance)->base;
|
|
|
|
printk("writing %p len %d\n",addr, len);
|
|
if(!len) return -1;
|
|
|
|
while(1)
|
|
{
|
|
int status;
|
|
while (((status = readw(base + STAT)) & 0x100)==0);
|
|
}
|
|
}
|
|
|
|
static inline int NCR5380_pread(struct Scsi_Host *instance, unsigned char *addr,
|
|
int len)
|
|
{
|
|
void __iomem *base = priv(instance)->base;
|
|
printk("reading %p len %d\n", addr, len);
|
|
while(len > 0)
|
|
{
|
|
unsigned int status, timeout;
|
|
unsigned long b;
|
|
|
|
timeout = 0x01FFFFFF;
|
|
|
|
while (((status = readw(base + STAT)) & 0x100)==0)
|
|
{
|
|
timeout--;
|
|
if(status & 0x200 || !timeout)
|
|
{
|
|
printk("status = %08X\n", status);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if(len >= 128)
|
|
{
|
|
readsw(base + DATA, addr, 128);
|
|
addr += 128;
|
|
len -= 128;
|
|
}
|
|
else
|
|
{
|
|
b = (unsigned long) readw(base + DATA);
|
|
*addr ++ = b;
|
|
len -= 1;
|
|
if(len)
|
|
*addr ++ = b>>8;
|
|
len -= 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#undef STAT
|
|
#undef DATA
|
|
|
|
#include "../NCR5380.c"
|
|
|
|
static struct scsi_host_template oakscsi_template = {
|
|
.module = THIS_MODULE,
|
|
.proc_info = oakscsi_proc_info,
|
|
.name = "Oak 16-bit SCSI",
|
|
.info = oakscsi_info,
|
|
.queuecommand = oakscsi_queue_command,
|
|
.eh_abort_handler = NCR5380_abort,
|
|
.eh_bus_reset_handler = NCR5380_bus_reset,
|
|
.can_queue = 16,
|
|
.this_id = 7,
|
|
.sg_tablesize = SG_ALL,
|
|
.cmd_per_lun = 2,
|
|
.use_clustering = DISABLE_CLUSTERING,
|
|
.proc_name = "oakscsi",
|
|
};
|
|
|
|
static int __devinit
|
|
oakscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
|
|
{
|
|
struct Scsi_Host *host;
|
|
int ret = -ENOMEM;
|
|
|
|
ret = ecard_request_resources(ec);
|
|
if (ret)
|
|
goto out;
|
|
|
|
host = scsi_host_alloc(&oakscsi_template, sizeof(struct NCR5380_hostdata));
|
|
if (!host) {
|
|
ret = -ENOMEM;
|
|
goto release;
|
|
}
|
|
|
|
priv(host)->base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
|
|
ecard_resource_len(ec, ECARD_RES_MEMC));
|
|
if (!priv(host)->base) {
|
|
ret = -ENOMEM;
|
|
goto unreg;
|
|
}
|
|
|
|
host->irq = IRQ_NONE;
|
|
host->n_io_port = 255;
|
|
|
|
NCR5380_init(host, 0);
|
|
|
|
printk("scsi%d: at port 0x%08lx irqs disabled",
|
|
host->host_no, host->io_port);
|
|
printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d",
|
|
host->can_queue, host->cmd_per_lun, OAKSCSI_PUBLIC_RELEASE);
|
|
printk("\nscsi%d:", host->host_no);
|
|
NCR5380_print_options(host);
|
|
printk("\n");
|
|
|
|
ret = scsi_add_host(host, &ec->dev);
|
|
if (ret)
|
|
goto out_unmap;
|
|
|
|
scsi_scan_host(host);
|
|
goto out;
|
|
|
|
out_unmap:
|
|
iounmap(priv(host)->base);
|
|
unreg:
|
|
scsi_host_put(host);
|
|
release:
|
|
ecard_release_resources(ec);
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static void __devexit oakscsi_remove(struct expansion_card *ec)
|
|
{
|
|
struct Scsi_Host *host = ecard_get_drvdata(ec);
|
|
|
|
ecard_set_drvdata(ec, NULL);
|
|
scsi_remove_host(host);
|
|
|
|
NCR5380_exit(host);
|
|
iounmap(priv(host)->base);
|
|
scsi_host_put(host);
|
|
ecard_release_resources(ec);
|
|
}
|
|
|
|
static const struct ecard_id oakscsi_cids[] = {
|
|
{ MANU_OAK, PROD_OAK_SCSI },
|
|
{ 0xffff, 0xffff }
|
|
};
|
|
|
|
static struct ecard_driver oakscsi_driver = {
|
|
.probe = oakscsi_probe,
|
|
.remove = __devexit_p(oakscsi_remove),
|
|
.id_table = oakscsi_cids,
|
|
.drv = {
|
|
.name = "oakscsi",
|
|
},
|
|
};
|
|
|
|
static int __init oakscsi_init(void)
|
|
{
|
|
return ecard_register_driver(&oakscsi_driver);
|
|
}
|
|
|
|
static void __exit oakscsi_exit(void)
|
|
{
|
|
ecard_remove_driver(&oakscsi_driver);
|
|
}
|
|
|
|
module_init(oakscsi_init);
|
|
module_exit(oakscsi_exit);
|
|
|
|
MODULE_AUTHOR("Russell King");
|
|
MODULE_DESCRIPTION("Oak SCSI driver");
|
|
MODULE_LICENSE("GPL");
|
|
|