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path: root/drivers/ide/pci/cy82c693.c
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Diffstat (limited to 'drivers/ide/pci/cy82c693.c')
-rw-r--r--drivers/ide/pci/cy82c693.c124
1 files changed, 6 insertions, 118 deletions
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index 69820e9224d..5297f07d293 100644
--- a/drivers/ide/pci/cy82c693.c
+++ b/drivers/ide/pci/cy82c693.c
@@ -50,18 +50,11 @@
#define DRV_NAME "cy82c693"
-/* the current version */
-#define CY82_VERSION "CY82C693U driver v0.34 99-13-12 Andreas S. Krebs (akrebs@altavista.net)"
-
/*
* The following are used to debug the driver.
*/
-#define CY82C693_DEBUG_LOGS 0
#define CY82C693_DEBUG_INFO 0
-/* define CY82C693_SETDMA_CLOCK to set DMA Controller Clock Speed to ATCLK */
-#undef CY82C693_SETDMA_CLOCK
-
/*
* NOTE: the value for busmaster timeout is tricky and I got it by
* trial and error! By using a to low value will cause DMA timeouts
@@ -89,7 +82,6 @@
#define CY82_INDEX_PORT 0x22
#define CY82_DATA_PORT 0x23
-#define CY82_INDEX_CTRLREG1 0x01
#define CY82_INDEX_CHANNEL0 0x30
#define CY82_INDEX_CHANNEL1 0x31
#define CY82_INDEX_TIMEOUT 0x32
@@ -179,17 +171,6 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode)
index = hwif->channel ? CY82_INDEX_CHANNEL1 : CY82_INDEX_CHANNEL0;
-#if CY82C693_DEBUG_LOGS
- /* for debug let's show the previous values */
-
- outb(index, CY82_INDEX_PORT);
- data = inb(CY82_DATA_PORT);
-
- printk(KERN_INFO "%s (ch=%d, dev=%d): DMA mode is %d (single=%d)\n",
- drive->name, HWIF(drive)->channel, drive->select.b.unit,
- (data&0x3), ((data>>2)&1));
-#endif /* CY82C693_DEBUG_LOGS */
-
data = (mode & 3) | (single << 2);
outb(index, CY82_INDEX_PORT);
@@ -197,8 +178,7 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode)
#if CY82C693_DEBUG_INFO
printk(KERN_INFO "%s (ch=%d, dev=%d): set DMA mode to %d (single=%d)\n",
- drive->name, HWIF(drive)->channel, drive->select.b.unit,
- mode & 3, single);
+ drive->name, hwif->channel, drive->dn & 1, mode & 3, single);
#endif /* CY82C693_DEBUG_INFO */
/*
@@ -239,50 +219,11 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
}
}
-#if CY82C693_DEBUG_LOGS
- /* for debug let's show the register values */
-
- if (drive->select.b.unit == 0) {
- /*
- * get master drive registers
- * address setup control register
- * is 32 bit !!!
- */
- pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
- addrCtrl &= 0x0F;
-
- /* now let's get the remaining registers */
- pci_read_config_byte(dev, CY82_IDE_MASTER_IOR, &pclk.time_16r);
- pci_read_config_byte(dev, CY82_IDE_MASTER_IOW, &pclk.time_16w);
- pci_read_config_byte(dev, CY82_IDE_MASTER_8BIT, &pclk.time_8);
- } else {
- /*
- * set slave drive registers
- * address setup control register
- * is 32 bit !!!
- */
- pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
-
- addrCtrl &= 0xF0;
- addrCtrl >>= 4;
-
- /* now let's get the remaining registers */
- pci_read_config_byte(dev, CY82_IDE_SLAVE_IOR, &pclk.time_16r);
- pci_read_config_byte(dev, CY82_IDE_SLAVE_IOW, &pclk.time_16w);
- pci_read_config_byte(dev, CY82_IDE_SLAVE_8BIT, &pclk.time_8);
- }
-
- printk(KERN_INFO "%s (ch=%d, dev=%d): PIO timing is "
- "(addr=0x%X, ior=0x%X, iow=0x%X, 8bit=0x%X)\n",
- drive->name, hwif->channel, drive->select.b.unit,
- addrCtrl, pclk.time_16r, pclk.time_16w, pclk.time_8);
-#endif /* CY82C693_DEBUG_LOGS */
-
/* let's calc the values for this PIO mode */
compute_clocks(pio, &pclk);
/* now let's write the clocks registers */
- if (drive->select.b.unit == 0) {
+ if ((drive->dn & 1) == 0) {
/*
* set master drive
* address setup control register
@@ -324,63 +265,11 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
#if CY82C693_DEBUG_INFO
printk(KERN_INFO "%s (ch=%d, dev=%d): set PIO timing to "
"(addr=0x%X, ior=0x%X, iow=0x%X, 8bit=0x%X)\n",
- drive->name, hwif->channel, drive->select.b.unit,
+ drive->name, hwif->channel, drive->dn & 1,
addrCtrl, pclk.time_16r, pclk.time_16w, pclk.time_8);
#endif /* CY82C693_DEBUG_INFO */
}
-/*
- * this function is called during init and is used to setup the cy82c693 chip
- */
-static unsigned int init_chipset_cy82c693(struct pci_dev *dev)
-{
- if (PCI_FUNC(dev->devfn) != 1)
- return 0;
-
-#ifdef CY82C693_SETDMA_CLOCK
- u8 data = 0;
-#endif /* CY82C693_SETDMA_CLOCK */
-
- /* write info about this verion of the driver */
- printk(KERN_INFO CY82_VERSION "\n");
-
-#ifdef CY82C693_SETDMA_CLOCK
- /* okay let's set the DMA clock speed */
-
- outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
- data = inb(CY82_DATA_PORT);
-
-#if CY82C693_DEBUG_INFO
- printk(KERN_INFO DRV_NAME ": Peripheral Configuration Register: 0x%X\n",
- data);
-#endif /* CY82C693_DEBUG_INFO */
-
- /*
- * for some reason sometimes the DMA controller
- * speed is set to ATCLK/2 ???? - we fix this here
- *
- * note: i don't know what causes this strange behaviour,
- * but even changing the dma speed doesn't solve it :-(
- * the ide performance is still only half the normal speed
- *
- * if anybody knows what goes wrong with my machine, please
- * let me know - ASK
- */
-
- data |= 0x03;
-
- outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
- outb(data, CY82_DATA_PORT);
-
-#if CY82C693_DEBUG_INFO
- printk(KERN_INFO ": New Peripheral Configuration Register: 0x%X\n",
- data);
-#endif /* CY82C693_DEBUG_INFO */
-
-#endif /* CY82C693_SETDMA_CLOCK */
- return 0;
-}
-
static void __devinit init_iops_cy82c693(ide_hwif_t *hwif)
{
static ide_hwif_t *primary;
@@ -401,7 +290,6 @@ static const struct ide_port_ops cy82c693_port_ops = {
static const struct ide_port_info cy82c693_chipset __devinitdata = {
.name = DRV_NAME,
- .init_chipset = init_chipset_cy82c693,
.init_iops = init_iops_cy82c693,
.port_ops = &cy82c693_port_ops,
.chipset = ide_cy82c693,
@@ -443,7 +331,7 @@ static const struct pci_device_id cy82c693_pci_tbl[] = {
};
MODULE_DEVICE_TABLE(pci, cy82c693_pci_tbl);
-static struct pci_driver driver = {
+static struct pci_driver cy82c693_pci_driver = {
.name = "Cypress_IDE",
.id_table = cy82c693_pci_tbl,
.probe = cy82c693_init_one,
@@ -454,12 +342,12 @@ static struct pci_driver driver = {
static int __init cy82c693_ide_init(void)
{
- return ide_pci_register_driver(&driver);
+ return ide_pci_register_driver(&cy82c693_pci_driver);
}
static void __exit cy82c693_ide_exit(void)
{
- pci_unregister_driver(&driver);
+ pci_unregister_driver(&cy82c693_pci_driver);
}
module_init(cy82c693_ide_init);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 12:25:40 +0000