diff options
Diffstat (limited to 'drivers/ide/pci/cy82c693.c')
| -rw-r--r-- | drivers/ide/pci/cy82c693.c | 126 |
1 files changed, 8 insertions, 118 deletions
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c index e6d8ee88d56d..5297f07d2933 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 __devinit 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, @@ -443,21 +331,23 @@ 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, .remove = __devexit_p(cy82c693_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; 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); |