X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Fpdc202xx_old.c;h=5cb2731047e918ed9bbb7fb323559c187fcb7155;hb=29f1ca920cb8d65b979f7edf2fc7d11095461306;hp=ea66383c557925972c5b97754dfeec0561a8c5c4;hpb=ecf32796395ed0e27667e7f735946d6dc60e1765;p=linux-2.6-omap-h63xx.git diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index ea66383c557..5cb2731047e 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -1,30 +1,8 @@ /* - * linux/drivers/ide/pci/pdc202xx_old.c Version 0.52 Aug 27, 2007 - * * Copyright (C) 1998-2002 Andre Hedrick * Copyright (C) 2006-2007 MontaVista Software, Inc. * Copyright (C) 2007 Bartlomiej Zolnierkiewicz * - * Promise Ultra33 cards with BIOS v1.20 through 1.28 will need this - * compiled into the kernel if you have more than one card installed. - * Note that BIOS v1.29 is reported to fix the problem. Since this is - * safe chipset tuning, including this support is harmless - * - * Promise Ultra66 cards with BIOS v1.11 this - * compiled into the kernel if you have more than one card installed. - * - * Promise Ultra100 cards. - * - * The latest chipset code will support the following :: - * Three Ultra33 controllers and 12 drives. - * 8 are UDMA supported and 4 are limited to DMA mode 2 multi-word. - * The 8/4 ratio is a BIOS code limit by promise. - * - * UNLESS you enable "CONFIG_PDC202XX_BURST" - * - */ - -/* * Portions Copyright (C) 1999 Promise Technology, Inc. * Author: Frank Tiernan (frankt@promise.com) * Released under terms of General Public License @@ -34,18 +12,13 @@ #include #include #include -#include -#include -#include #include #include -#include #include #include #include #include -#include #define PDC202XX_DEBUG_DRIVE_INFO 0 @@ -66,7 +39,7 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *); static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; + struct pci_dev *dev = to_pci_dev(hwif->dev); u8 drive_pci = 0x60 + (drive->dn << 2); u8 AP = 0, BP = 0, CP = 0; @@ -142,11 +115,12 @@ static void pdc202xx_set_pio_mode(ide_drive_t *drive, const u8 pio) pdc202xx_set_mode(drive, XFER_PIO_0 + pio); } -static u8 pdc202xx_old_cable_detect (ide_hwif_t *hwif) +static u8 __devinit pdc2026x_cable_detect(ide_hwif_t *hwif) { - u16 CIS = 0, mask = (hwif->channel) ? (1<<11) : (1<<10); + struct pci_dev *dev = to_pci_dev(hwif->dev); + u16 CIS, mask = hwif->channel ? (1 << 11) : (1 << 10); - pci_read_config_word(hwif->pci_dev, 0x50, &CIS); + pci_read_config_word(dev, 0x50, &CIS); return (CIS & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80; } @@ -189,7 +163,7 @@ static void pdc202xx_quirkproc(ide_drive_t *drive) drive->quirk_list = 0; } -static void pdc202xx_old_ide_dma_start(ide_drive_t *drive) +static void pdc202xx_dma_start(ide_drive_t *drive) { if (drive->current_speed > XFER_UDMA_2) pdc_old_enable_66MHz_clock(drive->hwif); @@ -211,7 +185,7 @@ static void pdc202xx_old_ide_dma_start(ide_drive_t *drive) ide_dma_start(drive); } -static int pdc202xx_old_ide_dma_end(ide_drive_t *drive) +static int pdc202xx_dma_end(ide_drive_t *drive) { if (drive->media != ide_disk || drive->addressing == 1) { ide_hwif_t *hwif = HWIF(drive); @@ -228,11 +202,11 @@ static int pdc202xx_old_ide_dma_end(ide_drive_t *drive) return __ide_dma_end(drive); } -static int pdc202xx_old_ide_dma_test_irq(ide_drive_t *drive) +static int pdc202xx_dma_test_irq(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); unsigned long high_16 = hwif->extra_base - 16; - u8 dma_stat = inb(hwif->dma_status); + u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); u8 sc1d = inb(high_16 + 0x001d); if (hwif->channel) { @@ -252,26 +226,6 @@ somebody_else: return (dma_stat & 4) == 4; /* return 1 if INTR asserted */ } -static void pdc202xx_dma_lost_irq(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - - if (hwif->resetproc != NULL) - hwif->resetproc(drive); - - ide_dma_lost_irq(drive); -} - -static void pdc202xx_dma_timeout(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - - if (hwif->resetproc != NULL) - hwif->resetproc(drive); - - ide_dma_timeout(drive); -} - static void pdc202xx_reset_host (ide_hwif_t *hwif) { unsigned long high_16 = hwif->extra_base - 16; @@ -297,68 +251,46 @@ static void pdc202xx_reset (ide_drive_t *drive) ide_set_max_pio(drive); } -static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev, - const char *name) +static void pdc202xx_dma_lost_irq(ide_drive_t *drive) { - return dev->irq; + pdc202xx_reset(drive); + ide_dma_lost_irq(drive); } -static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif) +static void pdc202xx_dma_timeout(ide_drive_t *drive) { - hwif->set_pio_mode = &pdc202xx_set_pio_mode; - hwif->set_dma_mode = &pdc202xx_set_mode; - - hwif->quirkproc = &pdc202xx_quirkproc; - - if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246) - hwif->resetproc = &pdc202xx_reset; - - if (hwif->dma_base == 0) - return; - - hwif->dma_lost_irq = &pdc202xx_dma_lost_irq; - hwif->dma_timeout = &pdc202xx_dma_timeout; - - if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246) { - if (hwif->cbl != ATA_CBL_PATA40_SHORT) - hwif->cbl = pdc202xx_old_cable_detect(hwif); - - hwif->dma_start = &pdc202xx_old_ide_dma_start; - hwif->ide_dma_end = &pdc202xx_old_ide_dma_end; - } - hwif->ide_dma_test_irq = &pdc202xx_old_ide_dma_test_irq; + pdc202xx_reset(drive); + ide_dma_timeout(drive); } -static void __devinit init_dma_pdc202xx(ide_hwif_t *hwif, unsigned long dmabase) +static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev, + const char *name) { + unsigned long dmabase = pci_resource_start(dev, 4); u8 udma_speed_flag = 0, primary_mode = 0, secondary_mode = 0; - if (hwif->channel) { - ide_setup_dma(hwif, dmabase); - return; - } + if (dmabase == 0) + goto out; udma_speed_flag = inb(dmabase | 0x1f); primary_mode = inb(dmabase | 0x1a); secondary_mode = inb(dmabase | 0x1b); printk(KERN_INFO "%s: (U)DMA Burst Bit %sABLED " \ "Primary %s Mode " \ - "Secondary %s Mode.\n", hwif->cds->name, + "Secondary %s Mode.\n", pci_name(dev), (udma_speed_flag & 1) ? "EN" : "DIS", (primary_mode & 1) ? "MASTER" : "PCI", (secondary_mode & 1) ? "MASTER" : "PCI" ); -#ifdef CONFIG_PDC202XX_BURST if (!(udma_speed_flag & 1)) { printk(KERN_INFO "%s: FORCING BURST BIT 0x%02x->0x%02x ", - hwif->cds->name, udma_speed_flag, + pci_name(dev), udma_speed_flag, (udma_speed_flag|1)); outb(udma_speed_flag | 1, dmabase | 0x1f); printk("%sACTIVE\n", (inb(dmabase | 0x1f) & 1) ? "" : "IN"); } -#endif /* CONFIG_PDC202XX_BURST */ - - ide_setup_dma(hwif, dmabase); +out: + return dev->irq; } static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev, @@ -372,24 +304,58 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev, if (irq != irq2) { pci_write_config_byte(dev, (PCI_INTERRUPT_LINE)|0x80, irq); /* 0xbc */ - printk(KERN_INFO "%s: PCI config space interrupt " - "mirror fixed\n", name); + printk(KERN_INFO "%s %s: PCI config space interrupt " + "mirror fixed\n", name, pci_name(dev)); } } } #define IDE_HFLAGS_PDC202XX \ (IDE_HFLAG_ERROR_STOPS_FIFO | \ - IDE_HFLAG_ABUSE_SET_DMA_MODE | \ IDE_HFLAG_OFF_BOARD) +static const struct ide_port_ops pdc20246_port_ops = { + .set_pio_mode = pdc202xx_set_pio_mode, + .set_dma_mode = pdc202xx_set_mode, + .quirkproc = pdc202xx_quirkproc, +}; + +static const struct ide_port_ops pdc2026x_port_ops = { + .set_pio_mode = pdc202xx_set_pio_mode, + .set_dma_mode = pdc202xx_set_mode, + .quirkproc = pdc202xx_quirkproc, + .resetproc = pdc202xx_reset, + .cable_detect = pdc2026x_cable_detect, +}; + +static const struct ide_dma_ops pdc20246_dma_ops = { + .dma_host_set = ide_dma_host_set, + .dma_setup = ide_dma_setup, + .dma_exec_cmd = ide_dma_exec_cmd, + .dma_start = ide_dma_start, + .dma_end = __ide_dma_end, + .dma_test_irq = pdc202xx_dma_test_irq, + .dma_lost_irq = pdc202xx_dma_lost_irq, + .dma_timeout = pdc202xx_dma_timeout, +}; + +static const struct ide_dma_ops pdc2026x_dma_ops = { + .dma_host_set = ide_dma_host_set, + .dma_setup = ide_dma_setup, + .dma_exec_cmd = ide_dma_exec_cmd, + .dma_start = pdc202xx_dma_start, + .dma_end = pdc202xx_dma_end, + .dma_test_irq = pdc202xx_dma_test_irq, + .dma_lost_irq = pdc202xx_dma_lost_irq, + .dma_timeout = pdc202xx_dma_timeout, +}; + #define DECLARE_PDC2026X_DEV(name_str, udma, extra_flags) \ { \ .name = name_str, \ .init_chipset = init_chipset_pdc202xx, \ - .init_hwif = init_hwif_pdc202xx, \ - .init_dma = init_dma_pdc202xx, \ - .extra = 48, \ + .port_ops = &pdc2026x_port_ops, \ + .dma_ops = &pdc2026x_dma_ops, \ .host_flags = IDE_HFLAGS_PDC202XX | extra_flags, \ .pio_mask = ATA_PIO4, \ .mwdma_mask = ATA_MWDMA2, \ @@ -400,9 +366,8 @@ static const struct ide_port_info pdc202xx_chipsets[] __devinitdata = { { /* 0 */ .name = "PDC20246", .init_chipset = init_chipset_pdc202xx, - .init_hwif = init_hwif_pdc202xx, - .init_dma = init_dma_pdc202xx, - .extra = 16, + .port_ops = &pdc20246_port_ops, + .dma_ops = &pdc20246_dma_ops, .host_flags = IDE_HFLAGS_PDC202XX, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, @@ -441,13 +406,14 @@ static int __devinit pdc202xx_init_one(struct pci_dev *dev, const struct pci_dev bridge->vendor == PCI_VENDOR_ID_INTEL && (bridge->device == PCI_DEVICE_ID_INTEL_I960 || bridge->device == PCI_DEVICE_ID_INTEL_I960RM)) { - printk(KERN_INFO "ide: Skipping Promise PDC20265 " - "attached to I2O RAID controller\n"); + printk(KERN_INFO "pdc202xx_old %s: skipping Promise " + "PDC20265 attached to I2O RAID controller\n", + pci_name(dev)); return -ENODEV; } } - return ide_setup_pci_device(dev, d); + return ide_pci_init_one(dev, d, NULL); } static const struct pci_device_id pdc202xx_pci_tbl[] = { @@ -464,6 +430,7 @@ static struct pci_driver driver = { .name = "Promise_Old_IDE", .id_table = pdc202xx_pci_tbl, .probe = pdc202xx_init_one, + .remove = ide_pci_remove, }; static int __init pdc202xx_ide_init(void) @@ -471,7 +438,13 @@ static int __init pdc202xx_ide_init(void) return ide_pci_register_driver(&driver); } +static void __exit pdc202xx_ide_exit(void) +{ + pci_unregister_driver(&driver); +} + module_init(pdc202xx_ide_init); +module_exit(pdc202xx_ide_exit); MODULE_AUTHOR("Andre Hedrick, Frank Tiernan"); MODULE_DESCRIPTION("PCI driver module for older Promise IDE");