diff options
Diffstat (limited to 'drivers/ide/pci/aec62xx.c')
| -rw-r--r-- | drivers/ide/pci/aec62xx.c | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c deleted file mode 100644 index 74432830abf..00000000000 --- a/drivers/ide/pci/aec62xx.c +++ /dev/null @@ -1,358 +0,0 @@ -/* - * linux/drivers/ide/pci/aec62xx.c Version 0.24 May 24, 2007 - * - * Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org> - * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com> - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/hdreg.h> -#include <linux/ide.h> -#include <linux/init.h> - -#include <asm/io.h> - -struct chipset_bus_clock_list_entry { - u8 xfer_speed; - u8 chipset_settings; - u8 ultra_settings; -}; - -static const struct chipset_bus_clock_list_entry aec6xxx_33_base [] = { - { XFER_UDMA_6, 0x31, 0x07 }, - { XFER_UDMA_5, 0x31, 0x06 }, - { XFER_UDMA_4, 0x31, 0x05 }, - { XFER_UDMA_3, 0x31, 0x04 }, - { XFER_UDMA_2, 0x31, 0x03 }, - { XFER_UDMA_1, 0x31, 0x02 }, - { XFER_UDMA_0, 0x31, 0x01 }, - - { XFER_MW_DMA_2, 0x31, 0x00 }, - { XFER_MW_DMA_1, 0x31, 0x00 }, - { XFER_MW_DMA_0, 0x0a, 0x00 }, - { XFER_PIO_4, 0x31, 0x00 }, - { XFER_PIO_3, 0x33, 0x00 }, - { XFER_PIO_2, 0x08, 0x00 }, - { XFER_PIO_1, 0x0a, 0x00 }, - { XFER_PIO_0, 0x00, 0x00 }, - { 0, 0x00, 0x00 } -}; - -static const struct chipset_bus_clock_list_entry aec6xxx_34_base [] = { - { XFER_UDMA_6, 0x41, 0x06 }, - { XFER_UDMA_5, 0x41, 0x05 }, - { XFER_UDMA_4, 0x41, 0x04 }, - { XFER_UDMA_3, 0x41, 0x03 }, - { XFER_UDMA_2, 0x41, 0x02 }, - { XFER_UDMA_1, 0x41, 0x01 }, - { XFER_UDMA_0, 0x41, 0x01 }, - - { XFER_MW_DMA_2, 0x41, 0x00 }, - { XFER_MW_DMA_1, 0x42, 0x00 }, - { XFER_MW_DMA_0, 0x7a, 0x00 }, - { XFER_PIO_4, 0x41, 0x00 }, - { XFER_PIO_3, 0x43, 0x00 }, - { XFER_PIO_2, 0x78, 0x00 }, - { XFER_PIO_1, 0x7a, 0x00 }, - { XFER_PIO_0, 0x70, 0x00 }, - { 0, 0x00, 0x00 } -}; - -#define BUSCLOCK(D) \ - ((struct chipset_bus_clock_list_entry *) pci_get_drvdata((D))) - - -/* - * TO DO: active tuning and correction of cards without a bios. - */ -static u8 pci_bus_clock_list (u8 speed, struct chipset_bus_clock_list_entry * chipset_table) -{ - for ( ; chipset_table->xfer_speed ; chipset_table++) - if (chipset_table->xfer_speed == speed) { - return chipset_table->chipset_settings; - } - return chipset_table->chipset_settings; -} - -static u8 pci_bus_clock_list_ultra (u8 speed, struct chipset_bus_clock_list_entry * chipset_table) -{ - for ( ; chipset_table->xfer_speed ; chipset_table++) - if (chipset_table->xfer_speed == speed) { - return chipset_table->ultra_settings; - } - return chipset_table->ultra_settings; -} - -static int aec6210_tune_chipset (ide_drive_t *drive, u8 xferspeed) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - u16 d_conf = 0; - u8 speed = ide_rate_filter(drive, xferspeed); - u8 ultra = 0, ultra_conf = 0; - u8 tmp0 = 0, tmp1 = 0, tmp2 = 0; - unsigned long flags; - - local_irq_save(flags); - /* 0x40|(2*drive->dn): Active, 0x41|(2*drive->dn): Recovery */ - pci_read_config_word(dev, 0x40|(2*drive->dn), &d_conf); - tmp0 = pci_bus_clock_list(speed, BUSCLOCK(dev)); - d_conf = ((tmp0 & 0xf0) << 4) | (tmp0 & 0xf); - pci_write_config_word(dev, 0x40|(2*drive->dn), d_conf); - - tmp1 = 0x00; - tmp2 = 0x00; - pci_read_config_byte(dev, 0x54, &ultra); - tmp1 = ((0x00 << (2*drive->dn)) | (ultra & ~(3 << (2*drive->dn)))); - ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev)); - tmp2 = ((ultra_conf << (2*drive->dn)) | (tmp1 & ~(3 << (2*drive->dn)))); - pci_write_config_byte(dev, 0x54, tmp2); - local_irq_restore(flags); - return(ide_config_drive_speed(drive, speed)); -} - -static int aec6260_tune_chipset (ide_drive_t *drive, u8 xferspeed) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - u8 speed = ide_rate_filter(drive, xferspeed); - u8 unit = (drive->select.b.unit & 0x01); - u8 tmp1 = 0, tmp2 = 0; - u8 ultra = 0, drive_conf = 0, ultra_conf = 0; - unsigned long flags; - - local_irq_save(flags); - /* high 4-bits: Active, low 4-bits: Recovery */ - pci_read_config_byte(dev, 0x40|drive->dn, &drive_conf); - drive_conf = pci_bus_clock_list(speed, BUSCLOCK(dev)); - pci_write_config_byte(dev, 0x40|drive->dn, drive_conf); - - pci_read_config_byte(dev, (0x44|hwif->channel), &ultra); - tmp1 = ((0x00 << (4*unit)) | (ultra & ~(7 << (4*unit)))); - ultra_conf = pci_bus_clock_list_ultra(speed, BUSCLOCK(dev)); - tmp2 = ((ultra_conf << (4*unit)) | (tmp1 & ~(7 << (4*unit)))); - pci_write_config_byte(dev, (0x44|hwif->channel), tmp2); - local_irq_restore(flags); - return(ide_config_drive_speed(drive, speed)); -} - -static void aec62xx_tune_drive (ide_drive_t *drive, u8 pio) -{ - pio = ide_get_best_pio_mode(drive, pio, 4); - (void) HWIF(drive)->speedproc(drive, pio + XFER_PIO_0); -} - -static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive) -{ - if (ide_tune_dma(drive)) - return 0; - - if (ide_use_fast_pio(drive)) - aec62xx_tune_drive(drive, 255); - - return -1; -} - -static void aec62xx_dma_lost_irq (ide_drive_t *drive) -{ - switch (HWIF(drive)->pci_dev->device) { - case PCI_DEVICE_ID_ARTOP_ATP860: - case PCI_DEVICE_ID_ARTOP_ATP860R: - case PCI_DEVICE_ID_ARTOP_ATP865: - case PCI_DEVICE_ID_ARTOP_ATP865R: - printk(" AEC62XX time out "); - default: - break; - } -} - -static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name) -{ - int bus_speed = system_bus_clock(); - - if (bus_speed <= 33) - pci_set_drvdata(dev, (void *) aec6xxx_33_base); - else - pci_set_drvdata(dev, (void *) aec6xxx_34_base); - - /* These are necessary to get AEC6280 Macintosh cards to work */ - if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) || - (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R)) { - u8 reg49h = 0, reg4ah = 0; - /* Clear reset and test bits. */ - pci_read_config_byte(dev, 0x49, ®49h); - pci_write_config_byte(dev, 0x49, reg49h & ~0x30); - /* Enable chip interrupt output. */ - pci_read_config_byte(dev, 0x4a, ®4ah); - pci_write_config_byte(dev, 0x4a, reg4ah & ~0x01); - /* Enable burst mode. */ - pci_read_config_byte(dev, 0x4a, ®4ah); - pci_write_config_byte(dev, 0x4a, reg4ah | 0x80); - } - - return dev->irq; -} - -static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif) -{ - struct pci_dev *dev = hwif->pci_dev; - u8 reg54 = 0, mask = hwif->channel ? 0xf0 : 0x0f; - unsigned long flags; - - hwif->tuneproc = &aec62xx_tune_drive; - - if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) { - if(hwif->mate) - hwif->mate->serialized = hwif->serialized = 1; - hwif->speedproc = &aec6210_tune_chipset; - } else - hwif->speedproc = &aec6260_tune_chipset; - - if (!hwif->dma_base) { - hwif->drives[0].autotune = hwif->drives[1].autotune = 1; - return; - } - - hwif->ultra_mask = hwif->cds->udma_mask; - hwif->mwdma_mask = 0x07; - - hwif->ide_dma_check = &aec62xx_config_drive_xfer_rate; - hwif->dma_lost_irq = &aec62xx_dma_lost_irq; - - if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) { - spin_lock_irqsave(&ide_lock, flags); - pci_read_config_byte (dev, 0x54, ®54); - pci_write_config_byte(dev, 0x54, (reg54 & ~mask)); - spin_unlock_irqrestore(&ide_lock, flags); - } else if (hwif->cbl != ATA_CBL_PATA40_SHORT) { - u8 ata66 = 0, mask = hwif->channel ? 0x02 : 0x01; - - pci_read_config_byte(hwif->pci_dev, 0x49, &ata66); - - hwif->cbl = (ata66 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80; - } - - if (!noautodma) - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma; -} - -static int __devinit init_setup_aec62xx(struct pci_dev *dev, ide_pci_device_t *d) -{ - return ide_setup_pci_device(dev, d); -} - -static int __devinit init_setup_aec6x80(struct pci_dev *dev, ide_pci_device_t *d) -{ - unsigned long dma_base = pci_resource_start(dev, 4); - - if (inb(dma_base + 2) & 0x10) { - d->name = (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R) ? - "AEC6880R" : "AEC6880"; - d->udma_mask = 0x7f; /* udma0-6 */ - } - - return ide_setup_pci_device(dev, d); -} - -static ide_pci_device_t aec62xx_chipsets[] __devinitdata = { - { /* 0 */ - .name = "AEC6210", - .init_setup = init_setup_aec62xx, - .init_chipset = init_chipset_aec62xx, - .init_hwif = init_hwif_aec62xx, - .autodma = AUTODMA, - .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, - .bootable = OFF_BOARD, - .pio_mask = ATA_PIO4, - .udma_mask = 0x07, /* udma0-2 */ - },{ /* 1 */ - .name = "AEC6260", - .init_setup = init_setup_aec62xx, - .init_chipset = init_chipset_aec62xx, - .init_hwif = init_hwif_aec62xx, - .autodma = NOAUTODMA, - .bootable = OFF_BOARD, - .pio_mask = ATA_PIO4, - .udma_mask = 0x1f, /* udma0-4 */ - },{ /* 2 */ - .name = "AEC6260R", - .init_setup = init_setup_aec62xx, - .init_chipset = init_chipset_aec62xx, - .init_hwif = init_hwif_aec62xx, - .autodma = AUTODMA, - .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, - .bootable = NEVER_BOARD, - .pio_mask = ATA_PIO4, - .udma_mask = 0x1f, /* udma0-4 */ - },{ /* 3 */ - .name = "AEC6280", - .init_setup = init_setup_aec6x80, - .init_chipset = init_chipset_aec62xx, - .init_hwif = init_hwif_aec62xx, - .autodma = AUTODMA, - .bootable = OFF_BOARD, - .pio_mask = ATA_PIO4, - .udma_mask = 0x3f, /* udma0-5 */ - },{ /* 4 */ - .name = "AEC6280R", - .init_setup = init_setup_aec6x80, - .init_chipset = init_chipset_aec62xx, - .init_hwif = init_hwif_aec62xx, - .autodma = AUTODMA, - .enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}}, - .bootable = OFF_BOARD, - .pio_mask = ATA_PIO4, - .udma_mask = 0x3f, /* udma0-5 */ - } -}; - -/** - * aec62xx_init_one - called when a AEC is found - * @dev: the aec62xx device - * @id: the matching pci id - * - * Called when the PCI registration layer (or the IDE initialization) - * finds a device matching our IDE device tables. - * - * NOTE: since we're going to modify the 'name' field for AEC-6[26]80[R] - * chips, pass a local copy of 'struct pci_device_id' down the call chain. - */ - -static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_device_id *id) -{ - ide_pci_device_t d = aec62xx_chipsets[id->driver_data]; - - return d.init_setup(dev, &d); -} - -static struct pci_device_id aec62xx_pci_tbl[] = { - { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 }, - { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 }, - { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 }, - { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 }, - { 0, }, -}; -MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl); - -static struct pci_driver driver = { - .name = "AEC62xx_IDE", - .id_table = aec62xx_pci_tbl, - .probe = aec62xx_init_one, -}; - -static int __init aec62xx_ide_init(void) -{ - return ide_pci_register_driver(&driver); -} - -module_init(aec62xx_ide_init); - -MODULE_AUTHOR("Andre Hedrick"); -MODULE_DESCRIPTION("PCI driver module for ARTOP AEC62xx IDE"); -MODULE_LICENSE("GPL"); |