/* * Promise TX2/TX4/TX2000/133 IDE driver * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Split from: * linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002 * Copyright (C) 1998-2002 Andre Hedrick * Portions Copyright (C) 1999 Promise Technology, Inc. * Author: Frank Tiernan (frankt@promise.com) * Released under terms of General Public License */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_PPC_PMAC #include #include #endif #define PDC202_DEBUG_CABLE 0 static const char *pdc_quirk_drives[] = { "QUANTUM FIREBALLlct08 08", "QUANTUM FIREBALLP KA6.4", "QUANTUM FIREBALLP KA9.1", "QUANTUM FIREBALLP LM20.4", "QUANTUM FIREBALLP KX13.6", "QUANTUM FIREBALLP KX20.5", "QUANTUM FIREBALLP KX27.3", "QUANTUM FIREBALLP LM20.5", NULL }; #define set_2regs(a, b) \ do { \ hwif->OUTB((a + adj), indexreg); \ hwif->OUTB(b, datareg); \ } while(0) #define set_ultra(a, b, c) \ do { \ set_2regs(0x10,(a)); \ set_2regs(0x11,(b)); \ set_2regs(0x12,(c)); \ } while(0) #define set_ata2(a, b) \ do { \ set_2regs(0x0e,(a)); \ set_2regs(0x0f,(b)); \ } while(0) #define set_pio(a, b, c) \ do { \ set_2regs(0x0c,(a)); \ set_2regs(0x0d,(b)); \ set_2regs(0x13,(c)); \ } while(0) static u8 pdcnew_ratemask (ide_drive_t *drive) { u8 mode; switch(HWIF(drive)->pci_dev->device) { case PCI_DEVICE_ID_PROMISE_20277: case PCI_DEVICE_ID_PROMISE_20276: case PCI_DEVICE_ID_PROMISE_20275: case PCI_DEVICE_ID_PROMISE_20271: case PCI_DEVICE_ID_PROMISE_20269: mode = 4; break; case PCI_DEVICE_ID_PROMISE_20270: case PCI_DEVICE_ID_PROMISE_20268: mode = 3; break; default: return 0; } if (!eighty_ninty_three(drive)) mode = min(mode, (u8)1); return mode; } static int check_in_drive_lists (ide_drive_t *drive, const char **list) { struct hd_driveid *id = drive->id; if (pdc_quirk_drives == list) { while (*list) { if (strstr(id->model, *list++)) { return 2; } } } else { while (*list) { if (!strcmp(*list++,id->model)) { return 1; } } } return 0; } static int pdcnew_new_tune_chipset (ide_drive_t *drive, u8 xferspeed) { ide_hwif_t *hwif = HWIF(drive); unsigned long indexreg = hwif->dma_vendor1; unsigned long datareg = hwif->dma_vendor3; u8 thold = 0x10; u8 adj = (drive->dn%2) ? 0x08 : 0x00; u8 speed = ide_rate_filter(pdcnew_ratemask(drive), xferspeed); if (speed == XFER_UDMA_2) { hwif->OUTB((thold + adj), indexreg); hwif->OUTB((hwif->INB(datareg) & 0x7f), datareg); } switch (speed) { case XFER_UDMA_7: speed = XFER_UDMA_6; case XFER_UDMA_6: set_ultra(0x1a, 0x01, 0xcb); break; case XFER_UDMA_5: set_ultra(0x1a, 0x02, 0xcb); break; case XFER_UDMA_4: set_ultra(0x1a, 0x03, 0xcd); break; case XFER_UDMA_3: set_ultra(0x1a, 0x05, 0xcd); break; case XFER_UDMA_2: set_ultra(0x2a, 0x07, 0xcd); break; case XFER_UDMA_1: set_ultra(0x3a, 0x0a, 0xd0); break; case XFER_UDMA_0: set_ultra(0x4a, 0x0f, 0xd5); break; case XFER_MW_DMA_2: set_ata2(0x69, 0x25); break; case XFER_MW_DMA_1: set_ata2(0x6b, 0x27); break; case XFER_MW_DMA_0: set_ata2(0xdf, 0x5f); break; case XFER_PIO_4: set_pio(0x23, 0x09, 0x25); break; case XFER_PIO_3: set_pio(0x27, 0x0d, 0x35); break; case XFER_PIO_2: set_pio(0x23, 0x26, 0x64); break; case XFER_PIO_1: set_pio(0x46, 0x29, 0xa4); break; case XFER_PIO_0: set_pio(0xfb, 0x2b, 0xac); break; default: ; } return (ide_config_drive_speed(drive, speed)); } /* 0 1 2 3 4 5 6 7 8 * 960, 480, 390, 300, 240, 180, 120, 90, 60 * 180, 150, 120, 90, 60 * DMA_Speed * 180, 120, 90, 90, 90, 60, 30 * 11, 5, 4, 3, 2, 1, 0 */ static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio) { u8 speed; if (pio == 5) pio = 4; speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, pio, NULL); (void)pdcnew_new_tune_chipset(drive, speed); } static u8 pdcnew_new_cable_detect (ide_hwif_t *hwif) { hwif->OUTB(0x0b, hwif->dma_vendor1); return ((u8)((hwif->INB(hwif->dma_vendor3) & 0x04))); } static int config_chipset_for_dma (ide_drive_t *drive) { struct hd_driveid *id = drive->id; ide_hwif_t *hwif = HWIF(drive); u8 speed = -1; u8 cable; u8 ultra_66 = ((id->dma_ultra & 0x0010) || (id->dma_ultra & 0x0008)) ? 1 : 0; cable = pdcnew_new_cable_detect(hwif); if (ultra_66 && cable) { printk(KERN_WARNING "Warning: %s channel requires an 80-pin cable for operation.\n", hwif->channel ? "Secondary":"Primary"); printk(KERN_WARNING "%s reduced to Ultra33 mode.\n", drive->name); } if (drive->media != ide_disk) return 0; if (id->capability & 4) { /* IORDY_EN & PREFETCH_EN */ hwif->OUTB((0x13 + ((drive->dn%2) ? 0x08 : 0x00)), hwif->dma_vendor1); hwif->OUTB((hwif->INB(hwif->dma_vendor3)|0x03), hwif->dma_vendor3); } speed = ide_dma_speed(drive, pdcnew_ratemask(drive)); if (!(speed)) { hwif->tuneproc(drive, 5); return 0; } (void) hwif->speedproc(drive, speed); return ide_dma_enable(drive); } static int pdcnew_config_drive_xfer_rate (ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); struct hd_driveid *id = drive->id; drive->init_speed = 0; if (id && (id->capability & 1) && drive->autodma) { if (ide_use_dma(drive)) { if (config_chipset_for_dma(drive)) return hwif->ide_dma_on(drive); } goto fast_ata_pio; } else if ((id->capability & 8) || (id->field_valid & 2)) { fast_ata_pio: hwif->tuneproc(drive, 5); return hwif->ide_dma_off_quietly(drive); } /* IORDY not supported */ return 0; } static int pdcnew_quirkproc (ide_drive_t *drive) { return ((int) check_in_drive_lists(drive, pdc_quirk_drives)); } static int pdcnew_ide_dma_lostirq(ide_drive_t *drive) { if (HWIF(drive)->resetproc != NULL) HWIF(drive)->resetproc(drive); return __ide_dma_lostirq(drive); } static int pdcnew_ide_dma_timeout(ide_drive_t *drive) { if (HWIF(drive)->resetproc != NULL) HWIF(drive)->resetproc(drive); return __ide_dma_timeout(drive); } static void pdcnew_new_reset (ide_drive_t *drive) { /* * Deleted this because it is redundant from the caller. */ printk(KERN_WARNING "PDC202XX: %s channel reset.\n", HWIF(drive)->channel ? "Secondary" : "Primary"); } #ifdef CONFIG_PPC_PMAC static void __devinit apple_kiwi_init(struct pci_dev *pdev) { struct device_node *np = pci_device_to_OF_node(pdev); unsigned int class_rev = 0; void __iomem *mmio; u8 conf; if (np == NULL || !device_is_compatible(np, "kiwi-root")) return; pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev); class_rev &= 0xff; if (class_rev >= 0x03) { /* Setup chip magic config stuff (from darwin) */ pci_read_config_byte(pdev, 0x40, &conf); pci_write_config_byte(pdev, 0x40, conf | 0x01); } mmio = ioremap(pci_resource_start(pdev, 5), pci_resource_len(pdev, 5)); /* Setup some PLL stuffs */ switch (pdev->device) { case PCI_DEVICE_ID_PROMISE_20270: writew(0x0d2b, mmio + 0x1202); mdelay(30); break; case PCI_DEVICE_ID_PROMISE_20271: writew(0x0826, mmio + 0x1202); mdelay(30); break; } iounmap(mmio); } #endif /* CONFIG_PPC_PMAC */ static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const char *name) { if (dev->resource[PCI_ROM_RESOURCE].start) { pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, (unsigned long)dev->resource[PCI_ROM_RESOURCE].start); } #ifdef CONFIG_PPC_PMAC apple_kiwi_init(dev); #endif return dev->irq; } static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif) { hwif->autodma = 0; hwif->tuneproc = &pdcnew_tune_drive; hwif->quirkproc = &pdcnew_quirkproc; hwif->speedproc = &pdcnew_new_tune_chipset; hwif->resetproc = &pdcnew_new_reset; hwif->drives[0].autotune = hwif->drives[1].autotune = 1; hwif->ultra_mask = 0x7f; hwif->mwdma_mask = 0x07; hwif->err_stops_fifo = 1; hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate; hwif->ide_dma_lostirq = &pdcnew_ide_dma_lostirq; hwif->ide_dma_timeout = &pdcnew_ide_dma_timeout; if (!(hwif->udma_four)) hwif->udma_four = (pdcnew_new_cable_detect(hwif)) ? 0 : 1; if (!noautodma) hwif->autodma = 1; hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma; #if PDC202_DEBUG_CABLE printk(KERN_DEBUG "%s: %s-pin cable\n", hwif->name, hwif->udma_four ? "80" : "40"); #endif /* PDC202_DEBUG_CABLE */ } static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d) { return ide_setup_pci_device(dev, d); } static int __devinit init_setup_pdc20270(struct pci_dev *dev, ide_pci_device_t *d) { struct pci_dev *findev = NULL; int ret; if ((dev->bus->self && dev->bus->self->vendor == PCI_VENDOR_ID_DEC) && (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) { if (PCI_SLOT(dev->devfn) & 2) return -ENODEV; d->extra = 0; while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) { if ((findev->vendor == dev->vendor) && (findev->device == dev->device) && (PCI_SLOT(findev->devfn) & 2)) { if (findev->irq != dev->irq) { findev->irq = dev->irq; } ret = ide_setup_pci_devices(dev, findev, d); pci_dev_put(findev); return ret; } } } return ide_setup_pci_device(dev, d); } static int __devinit init_setup_pdc20276(struct pci_dev *dev, ide_pci_device_t *d) { if ((dev->bus->self) && (dev->bus->self->vendor == PCI_VENDOR_ID_INTEL) && ((dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960) || (dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960RM))) { printk(KERN_INFO "ide: Skipping Promise PDC20276 " "attached to I2O RAID controller.\n"); return -ENODEV; } return ide_setup_pci_device(dev, d); } static ide_pci_device_t pdcnew_chipsets[] __devinitdata = { { /* 0 */ .name = "PDC20268", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, },{ /* 1 */ .name = "PDC20269", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, },{ /* 2 */ .name = "PDC20270", .init_setup = init_setup_pdc20270, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, },{ /* 3 */ .name = "PDC20271", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, },{ /* 4 */ .name = "PDC20275", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, },{ /* 5 */ .name = "PDC20276", .init_setup = init_setup_pdc20276, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, },{ /* 6 */ .name = "PDC20277", .init_setup = init_setup_pdcnew, .init_chipset = init_chipset_pdcnew, .init_hwif = init_hwif_pdc202new, .channels = 2, .autodma = AUTODMA, .bootable = OFF_BOARD, } }; /** * pdc202new_init_one - called when a pdc202xx is found * @dev: the pdc202new 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 pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id) { ide_pci_device_t *d = &pdcnew_chipsets[id->driver_data]; return d->init_setup(dev, d); } static struct pci_device_id pdc202new_pci_tbl[] = { { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20271, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20277, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6}, { 0, }, }; MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl); static struct pci_driver driver = { .name = "Promise_IDE", .id_table = pdc202new_pci_tbl, .probe = pdc202new_init_one, }; static int pdc202new_ide_init(void) { return ide_pci_register_driver(&driver); } module_init(pdc202new_ide_init); MODULE_AUTHOR("Andre Hedrick, Frank Tiernan"); MODULE_DESCRIPTION("PCI driver module for Promise PDC20268 and higher"); MODULE_LICENSE("GPL");