[SCSI] advansys: Convert to EISA driver model

- Switch EISA probing to the driver model
 - Remove some now-unused macros and functions
 - Update the FIXME now that we use the correct driver model probing API

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Matthew Wilcox 2007-07-30 09:14:52 -06:00 committed by James Bottomley
parent 78e77d8b50
commit b09e05a73e
1 changed files with 94 additions and 81 deletions

View File

@ -769,6 +769,7 @@
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/eisa.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
@ -783,13 +784,9 @@
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
/* FIXME: (by jejb@steeleye.com) This warning is present for two
* reasons:
/* FIXME: (by jejb@steeleye.com)
*
* 1) This driver badly needs converting to the correct driver model
* probing API
*
* 2) Although all of the necessary command mapping places have the
* Although all of the necessary command mapping places have the
* appropriate dma_map.. APIs, the driver still processes its internal
* queue using bus_to_virt() and virt_to_bus() which are illegal under
* the API. The entire queue processing structure will need to be
@ -1787,16 +1784,10 @@ typedef struct asceep_config {
#define ASC_1000_ID0W 0x04C1
#define ASC_1000_ID0W_FIX 0x00C1
#define ASC_1000_ID1B 0x25
#define ASC_EISA_BIG_IOP_GAP (0x1C30-0x0C50)
#define ASC_EISA_SMALL_IOP_GAP (0x0020)
#define ASC_EISA_MIN_IOP_ADDR (0x0C30)
#define ASC_EISA_MAX_IOP_ADDR (0xFC50)
#define ASC_EISA_REV_IOP_MASK (0x0C83)
#define ASC_EISA_PID_IOP_MASK (0x0C80)
#define ASC_EISA_CFG_IOP_MASK (0x0C86)
#define ASC_GET_EISA_SLOT(iop) (PortAddr)((iop) & 0xF000)
#define ASC_EISA_ID_740 0x01745004UL
#define ASC_EISA_ID_750 0x01755004UL
#define INS_HALTINT (ushort)0x6281
#define INS_HALT (ushort)0x6280
#define INS_SINT (ushort)0x6200
@ -1943,8 +1934,6 @@ static int AscIsrQDone(ASC_DVC_VAR *);
static int AscCompareString(uchar *, uchar *, int);
#ifdef CONFIG_ISA
static ushort AscGetEisaChipCfg(PortAddr);
static ASC_DCNT AscGetEisaProductID(PortAddr);
static PortAddr AscSearchIOPortAddrEISA(PortAddr);
static PortAddr AscSearchIOPortAddr11(PortAddr);
static PortAddr AscSearchIOPortAddr(PortAddr, ushort);
static void AscSetISAPNPWaitForKey(void);
@ -3418,7 +3407,7 @@ typedef struct {
#define ASC_NUM_BOARD_SUPPORTED 16
#define ASC_NUM_IOPORT_PROBE 4
#define ASC_NUM_BUS 3
#define ASC_NUM_BUS 2
/* Reference Scsi_Host hostdata */
#define ASC_BOARDP(host) ((asc_board_t *) &((host)->hostdata))
@ -3864,7 +3853,6 @@ static ASC_SG_HEAD asc_sg_head = { 0 };
static ushort asc_bus[ASC_NUM_BUS] __initdata = {
ASC_IS_ISA,
ASC_IS_VL,
ASC_IS_EISA,
};
static int asc_iopflag = ASC_FALSE;
@ -3874,7 +3862,6 @@ static int asc_ioport[ASC_NUM_IOPORT_PROBE] = { 0, 0, 0, 0 };
static char *asc_bus_name[ASC_NUM_BUS] = {
"ASC_IS_ISA",
"ASC_IS_VL",
"ASC_IS_EISA",
};
static int asc_dbglvl = 3;
@ -8241,12 +8228,6 @@ static PortAddr __init AscSearchIOPortAddr(PortAddr iop_beg, ushort bus_type)
}
return (0);
}
if (bus_type & ASC_IS_EISA) {
if ((iop_beg = AscSearchIOPortAddrEISA(iop_beg)) != 0) {
return (iop_beg);
}
return (0);
}
return (0);
}
@ -10256,57 +10237,6 @@ static void DvcDelayNanoSecond(ASC_DVC_VAR *asc_dvc, ASC_DCNT nano_sec)
udelay((nano_sec + 999) / 1000);
}
#ifdef CONFIG_ISA
static ASC_DCNT __init AscGetEisaProductID(PortAddr iop_base)
{
PortAddr eisa_iop;
ushort product_id_high, product_id_low;
ASC_DCNT product_id;
eisa_iop = ASC_GET_EISA_SLOT(iop_base) | ASC_EISA_PID_IOP_MASK;
product_id_low = inpw(eisa_iop);
product_id_high = inpw(eisa_iop + 2);
product_id = ((ASC_DCNT) product_id_high << 16) |
(ASC_DCNT) product_id_low;
return (product_id);
}
static PortAddr __init AscSearchIOPortAddrEISA(PortAddr iop_base)
{
ASC_DCNT eisa_product_id;
if (iop_base == 0) {
iop_base = ASC_EISA_MIN_IOP_ADDR;
} else {
if (iop_base == ASC_EISA_MAX_IOP_ADDR)
return (0);
if ((iop_base & 0x0050) == 0x0050) {
iop_base += ASC_EISA_BIG_IOP_GAP;
} else {
iop_base += ASC_EISA_SMALL_IOP_GAP;
}
}
while (iop_base <= ASC_EISA_MAX_IOP_ADDR) {
eisa_product_id = AscGetEisaProductID(iop_base);
if ((eisa_product_id == ASC_EISA_ID_740) ||
(eisa_product_id == ASC_EISA_ID_750)) {
if (AscFindSignature(iop_base)) {
inpw(iop_base + 4);
return (iop_base);
}
}
if (iop_base == ASC_EISA_MAX_IOP_ADDR)
return (0);
if ((iop_base & 0x0050) == 0x0050) {
iop_base += ASC_EISA_BIG_IOP_GAP;
} else {
iop_base += ASC_EISA_SMALL_IOP_GAP;
}
}
return (0);
}
#endif /* CONFIG_ISA */
static int AscStartChip(PortAddr iop_base)
{
AscSetChipControl(iop_base, 0);
@ -18607,12 +18537,6 @@ static int __init advansys_detect(void)
#endif /* CONFIG_ISA */
break;
case ASC_IS_EISA:
#ifdef CONFIG_ISA
iop = AscSearchIOPortAddr(iop, asc_bus[bus]);
#endif /* CONFIG_ISA */
break;
default:
ASC_PRINT1
("advansys_detect: unknown bus type: %d\n",
@ -18667,6 +18591,87 @@ static int advansys_release(struct Scsi_Host *shost)
return 0;
}
static struct eisa_device_id advansys_eisa_table[] __devinitdata = {
{ "ABP7401" },
{ "ABP7501" },
{ "" }
};
MODULE_DEVICE_TABLE(eisa, advansys_eisa_table);
/*
* EISA is a little more tricky than PCI; each EISA device may have two
* channels, and this driver is written to make each channel its own Scsi_Host
*/
struct eisa_scsi_data {
struct Scsi_Host *host[2];
};
static int __devinit advansys_eisa_probe(struct device *dev)
{
int i, ioport;
int err;
struct eisa_device *edev = to_eisa_device(dev);
struct eisa_scsi_data *data;
err = -ENOMEM;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
goto fail;
ioport = edev->base_addr + 0xc30;
err = -ENODEV;
for (i = 0; i < 2; i++, ioport += 0x20) {
if (!AscFindSignature(ioport))
continue;
/*
* I don't know why we need to do this for EISA chips, but
* not for any others. It looks to be equivalent to
* AscGetChipCfgMsw, but I may have overlooked something,
* so I'm not converting it until I get an EISA board to
* test with.
*/
inw(ioport + 4);
data->host[i] = advansys_board_found(ioport, dev, ASC_IS_EISA);
if (data->host[i])
err = 0;
}
if (err) {
kfree(data);
} else {
dev_set_drvdata(dev, data);
}
fail:
return err;
}
static __devexit int advansys_eisa_remove(struct device *dev)
{
int i;
struct eisa_scsi_data *data = dev_get_drvdata(dev);
for (i = 0; i < 2; i++) {
struct Scsi_Host *shost = data->host[i];
if (!shost)
continue;
advansys_release(shost);
}
kfree(data);
return 0;
}
static struct eisa_driver advansys_eisa_driver = {
.id_table = advansys_eisa_table,
.driver = {
.name = "advansys",
.probe = advansys_eisa_probe,
.remove = __devexit_p(advansys_eisa_remove),
}
};
/* PCI Devices supported by this driver */
static struct pci_device_id advansys_pci_tbl[] __devinitdata = {
{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A,
@ -18732,12 +18737,19 @@ static int __init advansys_init(void)
{
int i, error;
advansys_detect();
error = pci_register_driver(&advansys_pci_driver);
error = eisa_driver_register(&advansys_eisa_driver);
if (error)
goto fail;
error = pci_register_driver(&advansys_pci_driver);
if (error)
goto unregister_eisa;
return 0;
unregister_eisa:
eisa_driver_unregister(&advansys_eisa_driver);
fail:
for (i = 0; i < asc_legacy_count; i++)
advansys_release(asc_host[i]);
@ -18750,6 +18762,7 @@ static void __exit advansys_exit(void)
int i;
pci_unregister_driver(&advansys_pci_driver);
eisa_driver_unregister(&advansys_eisa_driver);
for (i = 0; i < asc_legacy_count; i++)
advansys_release(asc_host[i]);