diff options
Diffstat (limited to 'drivers/ide/pci/atiixp.c')
| -rw-r--r-- | drivers/ide/pci/atiixp.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c deleted file mode 100644 index 446900da132..00000000000 --- a/drivers/ide/pci/atiixp.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * linux/drivers/ide/pci/atiixp.c Version 0.03 Aug 3 2007 - * - * Copyright (C) 2003 ATI Inc. <hyu@ati.com> - * Copyright (C) 2004,2007 Bartlomiej Zolnierkiewicz - */ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <linux/hdreg.h> -#include <linux/ide.h> -#include <linux/delay.h> -#include <linux/init.h> - -#include <asm/io.h> - -#define ATIIXP_IDE_PIO_TIMING 0x40 -#define ATIIXP_IDE_MDMA_TIMING 0x44 -#define ATIIXP_IDE_PIO_CONTROL 0x48 -#define ATIIXP_IDE_PIO_MODE 0x4a -#define ATIIXP_IDE_UDMA_CONTROL 0x54 -#define ATIIXP_IDE_UDMA_MODE 0x56 - -typedef struct { - u8 command_width; - u8 recover_width; -} atiixp_ide_timing; - -static atiixp_ide_timing pio_timing[] = { - { 0x05, 0x0d }, - { 0x04, 0x07 }, - { 0x03, 0x04 }, - { 0x02, 0x02 }, - { 0x02, 0x00 }, -}; - -static atiixp_ide_timing mdma_timing[] = { - { 0x07, 0x07 }, - { 0x02, 0x01 }, - { 0x02, 0x00 }, -}; - -static int save_mdma_mode[4]; - -static DEFINE_SPINLOCK(atiixp_lock); - -static void atiixp_dma_host_on(ide_drive_t *drive) -{ - struct pci_dev *dev = drive->hwif->pci_dev; - unsigned long flags; - u16 tmp16; - - spin_lock_irqsave(&atiixp_lock, flags); - - pci_read_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, &tmp16); - if (save_mdma_mode[drive->dn]) - tmp16 &= ~(1 << drive->dn); - else - tmp16 |= (1 << drive->dn); - pci_write_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, tmp16); - - spin_unlock_irqrestore(&atiixp_lock, flags); - - ide_dma_host_on(drive); -} - -static void atiixp_dma_host_off(ide_drive_t *drive) -{ - struct pci_dev *dev = drive->hwif->pci_dev; - unsigned long flags; - u16 tmp16; - - spin_lock_irqsave(&atiixp_lock, flags); - - pci_read_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, &tmp16); - tmp16 &= ~(1 << drive->dn); - pci_write_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, tmp16); - - spin_unlock_irqrestore(&atiixp_lock, flags); - - ide_dma_host_off(drive); -} - -/** - * atiixp_set_pio_mode - set host controller for PIO mode - * @drive: drive - * @pio: PIO mode number - * - * Set the interface PIO mode. - */ - -static void atiixp_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - struct pci_dev *dev = drive->hwif->pci_dev; - unsigned long flags; - int timing_shift = (drive->dn & 2) ? 16 : 0 + (drive->dn & 1) ? 0 : 8; - u32 pio_timing_data; - u16 pio_mode_data; - - spin_lock_irqsave(&atiixp_lock, flags); - - pci_read_config_word(dev, ATIIXP_IDE_PIO_MODE, &pio_mode_data); - pio_mode_data &= ~(0x07 << (drive->dn * 4)); - pio_mode_data |= (pio << (drive->dn * 4)); - pci_write_config_word(dev, ATIIXP_IDE_PIO_MODE, pio_mode_data); - - pci_read_config_dword(dev, ATIIXP_IDE_PIO_TIMING, &pio_timing_data); - pio_timing_data &= ~(0xff << timing_shift); - pio_timing_data |= (pio_timing[pio].recover_width << timing_shift) | - (pio_timing[pio].command_width << (timing_shift + 4)); - pci_write_config_dword(dev, ATIIXP_IDE_PIO_TIMING, pio_timing_data); - - spin_unlock_irqrestore(&atiixp_lock, flags); -} - -/** - * atiixp_set_dma_mode - set host controller for DMA mode - * @drive: drive - * @speed: DMA mode - * - * Set a ATIIXP host controller to the desired DMA mode. This involves - * programming the right timing data into the PCI configuration space. - */ - -static void atiixp_set_dma_mode(ide_drive_t *drive, const u8 speed) -{ - struct pci_dev *dev = drive->hwif->pci_dev; - unsigned long flags; - int timing_shift = (drive->dn & 2) ? 16 : 0 + (drive->dn & 1) ? 0 : 8; - u32 tmp32; - u16 tmp16; - - if (speed < XFER_MW_DMA_0) - return; - - spin_lock_irqsave(&atiixp_lock, flags); - - save_mdma_mode[drive->dn] = 0; - if (speed >= XFER_UDMA_0) { - pci_read_config_word(dev, ATIIXP_IDE_UDMA_MODE, &tmp16); - tmp16 &= ~(0x07 << (drive->dn * 4)); - tmp16 |= ((speed & 0x07) << (drive->dn * 4)); - pci_write_config_word(dev, ATIIXP_IDE_UDMA_MODE, tmp16); - } else { - if ((speed >= XFER_MW_DMA_0) && (speed <= XFER_MW_DMA_2)) { - save_mdma_mode[drive->dn] = speed; - pci_read_config_dword(dev, ATIIXP_IDE_MDMA_TIMING, &tmp32); - tmp32 &= ~(0xff << timing_shift); - tmp32 |= (mdma_timing[speed & 0x03].recover_width << timing_shift) | - (mdma_timing[speed & 0x03].command_width << (timing_shift + 4)); - pci_write_config_dword(dev, ATIIXP_IDE_MDMA_TIMING, tmp32); - } - } - - spin_unlock_irqrestore(&atiixp_lock, flags); -} - -/** - * init_hwif_atiixp - fill in the hwif for the ATIIXP - * @hwif: IDE interface - * - * Set up the ide_hwif_t for the ATIIXP interface according to the - * capabilities of the hardware. - */ - -static void __devinit init_hwif_atiixp(ide_hwif_t *hwif) -{ - u8 udma_mode = 0; - u8 ch = hwif->channel; - struct pci_dev *pdev = hwif->pci_dev; - - if (!hwif->irq) - hwif->irq = ch ? 15 : 14; - - hwif->set_pio_mode = &atiixp_set_pio_mode; - hwif->set_dma_mode = &atiixp_set_dma_mode; - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; - - if (!hwif->dma_base) - return; - - hwif->atapi_dma = 1; - hwif->ultra_mask = 0x3f; - hwif->mwdma_mask = 0x07; - - pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode); - - if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40) - hwif->cbl = ATA_CBL_PATA80; - else - hwif->cbl = ATA_CBL_PATA40; - - hwif->dma_host_on = &atiixp_dma_host_on; - hwif->dma_host_off = &atiixp_dma_host_off; -} - - -static ide_pci_device_t atiixp_pci_info[] __devinitdata = { - { /* 0 */ - .name = "ATIIXP", - .init_hwif = init_hwif_atiixp, - .autodma = AUTODMA, - .enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}}, - .bootable = ON_BOARD, - .pio_mask = ATA_PIO4, - },{ /* 1 */ - .name = "SB600_PATA", - .init_hwif = init_hwif_atiixp, - .autodma = AUTODMA, - .enablebits = {{0x48,0x01,0x00}, {0x00,0x00,0x00}}, - .bootable = ON_BOARD, - .host_flags = IDE_HFLAG_SINGLE, - .pio_mask = ATA_PIO4, - }, -}; - -/** - * atiixp_init_one - called when a ATIIXP is found - * @dev: the atiixp device - * @id: the matching pci id - * - * Called when the PCI registration layer (or the IDE initialization) - * finds a device matching our IDE device tables. - */ - -static int __devinit atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id) -{ - return ide_setup_pci_device(dev, &atiixp_pci_info[id->driver_data]); -} - -static const struct pci_device_id atiixp_pci_tbl[] = { - { PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP200_IDE), 0 }, - { PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP300_IDE), 0 }, - { PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP400_IDE), 0 }, - { PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP600_IDE), 1 }, - { PCI_VDEVICE(ATI, PCI_DEVICE_ID_ATI_IXP700_IDE), 0 }, - { 0, }, -}; -MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl); - -static struct pci_driver driver = { - .name = "ATIIXP_IDE", - .id_table = atiixp_pci_tbl, - .probe = atiixp_init_one, -}; - -static int __init atiixp_ide_init(void) -{ - return ide_pci_register_driver(&driver); -} - -module_init(atiixp_ide_init); - -MODULE_AUTHOR("HUI YU"); -MODULE_DESCRIPTION("PCI driver module for ATI IXP IDE"); -MODULE_LICENSE("GPL"); |