/*
- * 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.
*/
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 */
};
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
};
* 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 */
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...
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,
.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,
*
* 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[] = {
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