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path: root/drivers/ide/pci/it821x.c
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Diffstat (limited to 'drivers/ide/pci/it821x.c')
-rw-r--r--drivers/ide/pci/it821x.c104
1 files changed, 50 insertions, 54 deletions
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 4a1508a707cc..995e18bb3139 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -63,7 +63,6 @@
#include <linux/types.h>
#include <linux/module.h>
#include <linux/pci.h>
-#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/init.h>
@@ -139,8 +138,7 @@ static void it821x_program_udma(ide_drive_t *drive, u16 timing)
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
int channel = hwif->channel;
- int unit = drive->select.b.unit;
- u8 conf;
+ u8 unit = drive->dn & 1, conf;
/* Program UDMA timing bits */
if(itdev->clock_mode == ATA_66)
@@ -169,13 +167,11 @@ static void it821x_clock_strategy(ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
+ ide_drive_t *pair;
+ int clock, altclock, sel = 0;
+ u8 unit = drive->dn & 1, v;
- u8 unit = drive->select.b.unit;
- ide_drive_t *pair = &hwif->drives[1-unit];
-
- int clock, altclock;
- u8 v;
- int sel = 0;
+ pair = &hwif->drives[1 - unit];
if(itdev->want[0][0] > itdev->want[1][0]) {
clock = itdev->want[0][1];
@@ -241,16 +237,17 @@ static void it821x_clock_strategy(ide_drive_t *drive)
static void it821x_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- ide_hwif_t *hwif = drive->hwif;
+ ide_hwif_t *hwif = drive->hwif;
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
- ide_drive_t *pair = &hwif->drives[1 - unit];
- u8 set_pio = pio;
+ ide_drive_t *pair;
+ u8 unit = drive->dn & 1, set_pio = pio;
/* Spec says 89 ref driver uses 88 */
static u16 pio_timings[]= { 0xAA88, 0xA382, 0xA181, 0x3332, 0x3121 };
static u8 pio_want[] = { ATA_66, ATA_66, ATA_66, ATA_66, ATA_ANY };
+ pair = &hwif->drives[1 - unit];
+
/*
* Compute the best PIO mode we can for a given device. We must
* pick a speed that does not cause problems with the other device
@@ -287,9 +284,7 @@ static void it821x_tune_mwdma (ide_drive_t *drive, byte mode_wanted)
ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = (void *)ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
- int channel = hwif->channel;
- u8 conf;
+ u8 unit = drive->dn & 1, channel = hwif->channel, conf;
static u16 dma[] = { 0x8866, 0x3222, 0x3121 };
static u8 mwdma_want[] = { ATA_ANY, ATA_66, ATA_ANY };
@@ -326,9 +321,7 @@ static void it821x_tune_udma (ide_drive_t *drive, byte mode_wanted)
ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
- int channel = hwif->channel;
- u8 conf;
+ u8 unit = drive->dn & 1, channel = hwif->channel, conf;
static u16 udma[] = { 0x4433, 0x4231, 0x3121, 0x2121, 0x1111, 0x2211, 0x1111 };
static u8 udma_want[] = { ATA_ANY, ATA_50, ATA_ANY, ATA_66, ATA_66, ATA_50, ATA_66 };
@@ -370,7 +363,8 @@ static void it821x_dma_start(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
- int unit = drive->select.b.unit;
+ u8 unit = drive->dn & 1;
+
if(itdev->mwdma[unit] != MWDMA_OFF)
it821x_program(drive, itdev->mwdma[unit]);
else if(itdev->udma[unit] != UDMA_OFF && itdev->timing10)
@@ -390,9 +384,10 @@ static void it821x_dma_start(ide_drive_t *drive)
static int it821x_dma_end(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- int unit = drive->select.b.unit;
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
- int ret = __ide_dma_end(drive);
+ int ret = ide_dma_end(drive);
+ u8 unit = drive->dn & 1;
+
if(itdev->mwdma[unit] != MWDMA_OFF)
it821x_program(drive, itdev->pio[unit]);
return ret;
@@ -446,8 +441,7 @@ static u8 it821x_cable_detect(ide_hwif_t *hwif)
static void it821x_quirkproc(ide_drive_t *drive)
{
struct it821x_dev *itdev = ide_get_hwifdata(drive->hwif);
- struct hd_driveid *id = drive->id;
- u16 *idbits = (u16 *)drive->id;
+ u16 *id = drive->id;
if (!itdev->smart) {
/*
@@ -456,7 +450,7 @@ static void it821x_quirkproc(ide_drive_t *drive)
* IRQ mask as we may well be in PIO (eg rev 0x10)
* for now and we know unmasking is safe on this chipset.
*/
- drive->unmask = 1;
+ drive->dev_flags |= IDE_DFLAG_UNMASK;
} else {
/*
* Perform fixups on smart mode. We need to "lose" some
@@ -466,36 +460,36 @@ static void it821x_quirkproc(ide_drive_t *drive)
*/
/* Check for RAID v native */
- if(strstr(id->model, "Integrated Technology Express")) {
+ if (strstr((char *)&id[ATA_ID_PROD],
+ "Integrated Technology Express")) {
/* In raid mode the ident block is slightly buggy
We need to set the bits so that the IDE layer knows
LBA28. LBA48 and DMA ar valid */
- id->capability |= 3; /* LBA28, DMA */
- id->command_set_2 |= 0x0400; /* LBA48 valid */
- id->cfs_enable_2 |= 0x0400; /* LBA48 on */
+ id[ATA_ID_CAPABILITY] |= (3 << 8); /* LBA28, DMA */
+ id[ATA_ID_COMMAND_SET_2] |= 0x0400; /* LBA48 valid */
+ id[ATA_ID_CFS_ENABLE_2] |= 0x0400; /* LBA48 on */
/* Reporting logic */
printk(KERN_INFO "%s: IT8212 %sRAID %d volume",
- drive->name,
- idbits[147] ? "Bootable ":"",
- idbits[129]);
- if(idbits[129] != 1)
- printk("(%dK stripe)", idbits[146]);
- printk(".\n");
+ drive->name, id[147] ? "Bootable " : "",
+ id[ATA_ID_CSFO]);
+ if (id[ATA_ID_CSFO] != 1)
+ printk(KERN_CONT "(%dK stripe)", id[146]);
+ printk(KERN_CONT ".\n");
} else {
/* Non RAID volume. Fixups to stop the core code
doing unsupported things */
- id->field_valid &= 3;
- id->queue_depth = 0;
- id->command_set_1 = 0;
- id->command_set_2 &= 0xC400;
- id->cfsse &= 0xC000;
- id->cfs_enable_1 = 0;
- id->cfs_enable_2 &= 0xC400;
- id->csf_default &= 0xC000;
- id->word127 = 0;
- id->dlf = 0;
- id->csfo = 0;
- id->cfa_power = 0;
+ id[ATA_ID_FIELD_VALID] &= 3;
+ id[ATA_ID_QUEUE_DEPTH] = 0;
+ id[ATA_ID_COMMAND_SET_1] = 0;
+ id[ATA_ID_COMMAND_SET_2] &= 0xC400;
+ id[ATA_ID_CFSSE] &= 0xC000;
+ id[ATA_ID_CFS_ENABLE_1] = 0;
+ id[ATA_ID_CFS_ENABLE_2] &= 0xC400;
+ id[ATA_ID_CSF_DEFAULT] &= 0xC000;
+ id[127] = 0;
+ id[ATA_ID_DLF] = 0;
+ id[ATA_ID_CSFO] = 0;
+ id[ATA_ID_CFA_POWER] = 0;
printk(KERN_INFO "%s: Performing identify fixups.\n",
drive->name);
}
@@ -505,8 +499,8 @@ static void it821x_quirkproc(ide_drive_t *drive)
* IDE core that DMA is supported (it821x hardware
* takes care of DMA mode programming).
*/
- if (id->capability & 1) {
- id->dma_mword |= 0x0101;
+ if (ata_id_has_dma(id)) {
+ id[ATA_ID_MWDMA_MODES] |= 0x0101;
drive->current_speed = XFER_MW_DMA_0;
}
}
@@ -588,7 +582,7 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
hwif->mwdma_mask = ATA_MWDMA2;
}
-static void __devinit it8212_disable_raid(struct pci_dev *dev)
+static void it8212_disable_raid(struct pci_dev *dev)
{
/* Reset local CPU, and set BIOS not ready */
pci_write_config_byte(dev, 0x5E, 0x01);
@@ -605,7 +599,7 @@ static void __devinit it8212_disable_raid(struct pci_dev *dev)
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
}
-static unsigned int __devinit init_chipset_it821x(struct pci_dev *dev)
+static unsigned int init_chipset_it821x(struct pci_dev *dev)
{
u8 conf;
static char *mode[2] = { "pass through", "smart" };
@@ -682,21 +676,23 @@ static const struct pci_device_id it821x_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, it821x_pci_tbl);
-static struct pci_driver driver = {
+static struct pci_driver it821x_pci_driver = {
.name = "ITE821x IDE",
.id_table = it821x_pci_tbl,
.probe = it821x_init_one,
.remove = __devexit_p(it821x_remove),
+ .suspend = ide_pci_suspend,
+ .resume = ide_pci_resume,
};
static int __init it821x_ide_init(void)
{
- return ide_pci_register_driver(&driver);
+ return ide_pci_register_driver(&it821x_pci_driver);
}
static void __exit it821x_ide_exit(void)
{
- pci_unregister_driver(&driver);
+ pci_unregister_driver(&it821x_pci_driver);
}
module_init(it821x_ide_init);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.