diff options
| -rw-r--r-- | drivers/ide/pci/hpt366.c | 306 |
1 files changed, 127 insertions, 179 deletions
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 26c15f20537..3817c7db616 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1,9 +1,10 @@ /* - * linux/drivers/ide/pci/hpt366.c Version 1.15 Oct 1, 2007 + * linux/drivers/ide/pci/hpt366.c Version 1.20 Oct 1, 2007 * * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. * Portions Copyright (C) 2003 Red Hat Inc + * Portions Copyright (C) 2007 Bartlomiej Zolnierkiewicz * Portions Copyright (C) 2005-2007 MontaVista Software, Inc. * * Thanks to HighPoint Technologies for their assistance, and hardware. @@ -393,8 +394,9 @@ enum ata_clock { */ struct hpt_info { + char *chip_name; /* Chip name */ u8 chip_type; /* Chip type */ - u8 max_ultra; /* Max. UltraDMA mode allowed */ + u8 udma_mask; /* Allowed UltraDMA modes mask. */ u8 dpll_clk; /* DPLL clock in MHz */ u8 pci_clk; /* PCI clock in MHz */ u32 **settings; /* Chipset settings table */ @@ -432,78 +434,89 @@ static u32 *hpt37x_settings[NUM_ATA_CLOCKS] = { }; static struct hpt_info hpt36x __devinitdata = { + .chip_name = "HPT36x", .chip_type = HPT36x, - .max_ultra = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ? 4 : 3) : 2, + .udma_mask = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ? ATA_UDMA4 : ATA_UDMA3) : ATA_UDMA2, .dpll_clk = 0, /* no DPLL */ .settings = hpt36x_settings }; static struct hpt_info hpt370 __devinitdata = { + .chip_name = "HPT370", .chip_type = HPT370, - .max_ultra = HPT370_ALLOW_ATA100_5 ? 5 : 4, + .udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4, .dpll_clk = 48, .settings = hpt37x_settings }; static struct hpt_info hpt370a __devinitdata = { + .chip_name = "HPT370A", .chip_type = HPT370A, - .max_ultra = HPT370_ALLOW_ATA100_5 ? 5 : 4, + .udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4, .dpll_clk = 48, .settings = hpt37x_settings }; static struct hpt_info hpt374 __devinitdata = { + .chip_name = "HPT374", .chip_type = HPT374, - .max_ultra = 5, + .udma_mask = ATA_UDMA5, .dpll_clk = 48, .settings = hpt37x_settings }; static struct hpt_info hpt372 __devinitdata = { + .chip_name = "HPT372", .chip_type = HPT372, - .max_ultra = HPT372_ALLOW_ATA133_6 ? 6 : 5, + .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .dpll_clk = 55, .settings = hpt37x_settings }; static struct hpt_info hpt372a __devinitdata = { + .chip_name = "HPT372A", .chip_type = HPT372A, - .max_ultra = HPT372_ALLOW_ATA133_6 ? 6 : 5, + .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .dpll_clk = 66, .settings = hpt37x_settings }; static struct hpt_info hpt302 __devinitdata = { + .chip_name = "HPT302", .chip_type = HPT302, - .max_ultra = HPT372_ALLOW_ATA133_6 ? 6 : 5, + .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .dpll_clk = 66, .settings = hpt37x_settings }; static struct hpt_info hpt371 __devinitdata = { + .chip_name = "HPT371", .chip_type = HPT371, - .max_ultra = HPT371_ALLOW_ATA133_6 ? 6 : 5, + .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .dpll_clk = 66, .settings = hpt37x_settings }; static struct hpt_info hpt372n __devinitdata = { + .chip_name = "HPT372N", .chip_type = HPT372N, - .max_ultra = HPT372_ALLOW_ATA133_6 ? 6 : 5, + .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .dpll_clk = 77, .settings = hpt37x_settings }; static struct hpt_info hpt302n __devinitdata = { + .chip_name = "HPT302N", .chip_type = HPT302N, - .max_ultra = HPT302_ALLOW_ATA133_6 ? 6 : 5, + .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .dpll_clk = 77, .settings = hpt37x_settings }; static struct hpt_info hpt371n __devinitdata = { + .chip_name = "HPT371N", .chip_type = HPT371N, - .max_ultra = HPT371_ALLOW_ATA133_6 ? 6 : 5, + .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .dpll_clk = 77, .settings = hpt37x_settings }; @@ -1136,7 +1149,7 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha * Select 66 MHz DPLL clock only if UltraATA/133 mode is * supported/enabled, use 50 MHz DPLL clock otherwise... */ - if (info->max_ultra == 6) { + if (info->udma_mask == ATA_UDMA6) { dpll_clk = 66; clock = ATA_CLOCK_66MHZ; } else if (dpll_clk) { /* HPT36x chips don't have DPLL */ @@ -1366,53 +1379,19 @@ static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase) ide_setup_dma(hwif, dmabase, 8); } -static int __devinit init_setup_hpt374(struct pci_dev *dev, ide_pci_device_t *d) +static void __devinit hpt374_init(struct pci_dev *dev, struct pci_dev *dev2) { - struct pci_dev *dev2; - - if (PCI_FUNC(dev->devfn) & 1) - return -ENODEV; - - pci_set_drvdata(dev, &hpt374); - - if ((dev2 = pci_get_slot(dev->bus, dev->devfn + 1)) != NULL) { - int ret; - - pci_set_drvdata(dev2, &hpt374); - - if (dev2->irq != dev->irq) { - /* FIXME: we need a core pci_set_interrupt() */ - dev2->irq = dev->irq; - printk(KERN_WARNING "%s: PCI config space interrupt " - "fixed.\n", d->name); - } - ret = ide_setup_pci_devices(dev, dev2, d); - if (ret < 0) - pci_dev_put(dev2); - return ret; + if (dev2->irq != dev->irq) { + /* FIXME: we need a core pci_set_interrupt() */ + dev2->irq = dev->irq; + printk(KERN_INFO "HPT374: PCI config space interrupt fixed\n"); } - return ide_setup_pci_device(dev, d); -} - -static int __devinit init_setup_hpt372n(struct pci_dev *dev, ide_pci_device_t *d) -{ - pci_set_drvdata(dev, &hpt372n); - - return ide_setup_pci_device(dev, d); } -static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d) +static void __devinit hpt371_init(struct pci_dev *dev) { - struct hpt_info *info; u8 mcr1 = 0; - if (dev->revision > 1) { - d->name = "HPT371N"; - - info = &hpt371n; - } else - info = &hpt371; - /* * HPT371 chips physically have only one channel, the secondary one, * but the primary channel registers do exist! Go figure... @@ -1422,173 +1401,83 @@ static int __devinit init_setup_hpt371(struct pci_dev *dev, ide_pci_device_t *d) pci_read_config_byte(dev, 0x50, &mcr1); if (mcr1 & 0x04) pci_write_config_byte(dev, 0x50, mcr1 & ~0x04); - - pci_set_drvdata(dev, info); - - return ide_setup_pci_device(dev, d); -} - -static int __devinit init_setup_hpt372a(struct pci_dev *dev, ide_pci_device_t *d) -{ - struct hpt_info *info; - - if (dev->revision > 1) { - d->name = "HPT372N"; - - info = &hpt372n; - } else - info = &hpt372a; - pci_set_drvdata(dev, info); - - return ide_setup_pci_device(dev, d); } -static int __devinit init_setup_hpt302(struct pci_dev *dev, ide_pci_device_t *d) +static int __devinit hpt36x_init(struct pci_dev *dev, struct pci_dev *dev2) { - struct hpt_info *info; - - if (dev->revision > 1) { - d->name = "HPT302N"; - - info = &hpt302n; - } else - info = &hpt302; - pci_set_drvdata(dev, info); + u8 mcr1 = 0, pin1 = 0, pin2 = 0; - return ide_setup_pci_device(dev, d); -} + /* + * Now we'll have to force both channels enabled if + * at least one of them has been enabled by BIOS... + */ + pci_read_config_byte(dev, 0x50, &mcr1); + if (mcr1 & 0x30) + pci_write_config_byte(dev, 0x50, mcr1 | 0x30); -static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d) -{ - struct pci_dev *dev2; - u8 rev = dev->revision; - static char *chipset_names[] = { "HPT366", "HPT366", "HPT368", - "HPT370", "HPT370A", "HPT372", - "HPT372N" }; - static struct hpt_info *info[] = { &hpt36x, &hpt36x, &hpt36x, - &hpt370, &hpt370a, &hpt372, - &hpt372n }; - - if (PCI_FUNC(dev->devfn) & 1) - return -ENODEV; + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1); + pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2); - switch (rev) { - case 0: - case 1: - case 2: - /* - * HPT36x chips have one channel per function and have - * both channel enable bits located differently and visible - * to both functions -- really stupid design decision... :-( - * Bit 4 is for the primary channel, bit 5 for the secondary. - */ - d->host_flags |= IDE_HFLAG_SINGLE; - d->enablebits[0].mask = d->enablebits[0].val = 0x10; - - d->udma_mask = HPT366_ALLOW_ATA66_3 ? (HPT366_ALLOW_ATA66_4 ? - ATA_UDMA4 : ATA_UDMA3) : ATA_UDMA2; - break; - case 3: - case 4: - d->udma_mask = HPT370_ALLOW_ATA100_5 ? ATA_UDMA5 : ATA_UDMA4; - break; - default: - rev = 6; - /* fall thru */ - case 5: - case 6: - d->udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5; - break; + if (pin1 != pin2 && dev->irq == dev2->irq) { + printk(KERN_INFO "HPT36x: onboard version of chipset, " + "pin1=%d pin2=%d\n", pin1, pin2); + return 1; } - d->name = chipset_names[rev]; - - pci_set_drvdata(dev, info[rev]); - - if (rev > 2) - goto init_single; - - if ((dev2 = pci_get_slot(dev->bus, dev->devfn + 1)) != NULL) { - u8 mcr1 = 0, pin1 = 0, pin2 = 0; - int ret; - - pci_set_drvdata(dev2, info[rev]); - - /* - * Now we'll have to force both channels enabled if - * at least one of them has been enabled by BIOS... - */ - pci_read_config_byte(dev, 0x50, &mcr1); - if (mcr1 & 0x30) - pci_write_config_byte(dev, 0x50, mcr1 | 0x30); - - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1); - pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2); - if (pin1 != pin2 && dev->irq == dev2->irq) { - d->host_flags |= IDE_HFLAG_BOOTABLE; - printk("%s: onboard version of chipset, pin1=%d pin2=%d\n", - d->name, pin1, pin2); - } - ret = ide_setup_pci_devices(dev, dev2, d); - if (ret < 0) - pci_dev_put(dev2); - return ret; - } -init_single: - return ide_setup_pci_device(dev, d); + return 0; } static ide_pci_device_t hpt366_chipsets[] __devinitdata = { { /* 0 */ - .name = "HPT366", - .init_setup = init_setup_hpt366, + .name = "HPT36x", .init_chipset = init_chipset_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, - .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, + /* + * HPT36x chips have one channel per function and have + * both channel enable bits located differently and visible + * to both functions -- really stupid design decision... :-( + * Bit 4 is for the primary channel, bit 5 for the secondary. + */ + .enablebits = {{0x50,0x10,0x10}, {0x54,0x04,0x04}}, .extra = 240, - .host_flags = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD, + .host_flags = IDE_HFLAG_SINGLE | + IDE_HFLAG_NO_ATAPI_DMA | + IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, },{ /* 1 */ .name = "HPT372A", - .init_setup = init_setup_hpt372a, .init_chipset = init_chipset_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .extra = 240, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, },{ /* 2 */ .name = "HPT302", - .init_setup = init_setup_hpt302, .init_chipset = init_chipset_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .extra = 240, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, },{ /* 3 */ .name = "HPT371", - .init_setup = init_setup_hpt371, .init_chipset = init_chipset_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .extra = 240, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, },{ /* 4 */ .name = "HPT374", - .init_setup = init_setup_hpt374, .init_chipset = init_chipset_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, @@ -1600,12 +1489,10 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { .mwdma_mask = ATA_MWDMA2, },{ /* 5 */ .name = "HPT372N", - .init_setup = init_setup_hpt372n, .init_chipset = init_chipset_hpt366, .init_hwif = init_hwif_hpt366, .init_dma = init_dma_hpt366, .enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}}, - .udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5, .extra = 240, .host_flags = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD, .pio_mask = ATA_PIO4, @@ -1620,16 +1507,77 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = { * * Called when the PCI registration layer (or the IDE initialization) * finds a device matching our IDE device tables. - * - * NOTE: since we'll have to modify some fields of the ide_pci_device_t - * structure depending on the chip's revision, we'd better pass a local - * copy down the call chain... */ static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - ide_pci_device_t d = hpt366_chipsets[id->driver_data]; + struct hpt_info *info = NULL; + struct pci_dev *dev2 = NULL; + ide_pci_device_t d; + u8 idx = id->driver_data; + u8 rev = dev->revision; + + if ((idx == 0 || idx == 4) && (PCI_FUNC(dev->devfn) & 1)) + return -ENODEV; + + switch (idx) { + case 0: + if (rev < 3) + info = &hpt36x; + else { + static struct hpt_info *hpt37x_info[] = + { &hpt370, &hpt370a, &hpt372, &hpt372n }; + + info = hpt37x_info[min_t(u8, rev, 6) - 3]; + idx++; + } + break; + case 1: + info = (rev > 1) ? &hpt372n : &hpt372a; + break; + case 2: + info = (rev > 1) ? &hpt302n : &hpt302; + break; + case 3: + hpt371_init(dev); + info = (rev > 1) ? &hpt371n : &hpt371; + break; + case 4: + info = &hpt374; + break; + case 5: + info = &hpt372n; + break; + } + + d = hpt366_chipsets[idx]; + + d.name = info->chip_name; + d.udma_mask = info->udma_mask; + + pci_set_drvdata(dev, info); + + if (info == &hpt36x || info == &hpt374) + dev2 = pci_get_slot(dev->bus, dev->devfn + 1); + + if (dev2) { + int ret; + + pci_set_drvdata(dev2, info); + + if (info == &hpt374) + hpt374_init(dev, dev2); + else { + if (hpt36x_init(dev, dev2)) + d.host_flags |= IDE_HFLAG_BOOTABLE; + } + + ret = ide_setup_pci_devices(dev, dev2, &d); + if (ret < 0) + pci_dev_put(dev2); + return ret; + } - return d.init_setup(dev, &d); + return ide_setup_pci_device(dev, &d); } static const struct pci_device_id hpt366_pci_tbl[] = { |