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path: root/drivers/ide/setup-pci.c
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Diffstat (limited to 'drivers/ide/setup-pci.c')
-rw-r--r--drivers/ide/setup-pci.c260
1 files changed, 119 insertions, 141 deletions
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 3d101f73f91..02d14bf85ab 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -147,14 +147,15 @@ static int ide_setup_pci_baseregs (struct pci_dev *dev, const char *name)
#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
/**
* ide_get_or_set_dma_base - setup BMIBA
- * @hwif: Interface
+ * @d: IDE port info
+ * @hwif: IDE interface
*
* Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space.
* Where a device has a partner that is already in DMA mode we check
* and enforce IDE simplex rules.
*/
-static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
+static unsigned long ide_get_or_set_dma_base(const struct ide_port_info *d, ide_hwif_t *hwif)
{
unsigned long dma_base = 0;
struct pci_dev *dev = hwif->pci_dev;
@@ -165,14 +166,15 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
if (hwif->mate && hwif->mate->dma_base) {
dma_base = hwif->mate->dma_base - (hwif->channel ? 0 : 8);
} else {
- dma_base = pci_resource_start(dev, 4);
- if (!dma_base) {
- printk(KERN_ERR "%s: dma_base is invalid\n",
- hwif->cds->name);
- }
+ u8 baridx = (d->host_flags & IDE_HFLAG_CS5520) ? 2 : 4;
+
+ dma_base = pci_resource_start(dev, baridx);
+
+ if (dma_base == 0)
+ printk(KERN_ERR "%s: DMA base is invalid\n", d->name);
}
- if (dma_base) {
+ if ((d->host_flags & IDE_HFLAG_CS5520) == 0 && dma_base) {
u8 simplex_stat = 0;
dma_base += hwif->channel ? 8 : 0;
@@ -183,13 +185,13 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
case PCI_DEVICE_ID_CMD_643:
case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE:
case PCI_DEVICE_ID_REVOLUTION:
- simplex_stat = hwif->INB(dma_base + 2);
- hwif->OUTB((simplex_stat&0x60),(dma_base + 2));
- simplex_stat = hwif->INB(dma_base + 2);
+ simplex_stat = inb(dma_base + 2);
+ outb(simplex_stat & 0x60, dma_base + 2);
+ simplex_stat = inb(dma_base + 2);
if (simplex_stat & 0x80) {
printk(KERN_INFO "%s: simplex device: "
- "DMA forced\n",
- hwif->cds->name);
+ "DMA forced\n",
+ d->name);
}
break;
default:
@@ -212,8 +214,8 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
*/
if (hwif->mate && hwif->mate->dma_base) {
printk(KERN_INFO "%s: simplex device: "
- "DMA disabled\n",
- hwif->cds->name);
+ "DMA disabled\n",
+ d->name);
dma_base = 0;
}
}
@@ -223,10 +225,11 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
}
#endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
-void ide_setup_pci_noise (struct pci_dev *dev, ide_pci_device_t *d)
+void ide_setup_pci_noise(struct pci_dev *dev, const struct ide_port_info *d)
{
- printk(KERN_INFO "%s: IDE controller at PCI slot %s\n",
- d->name, pci_name(dev));
+ printk(KERN_INFO "%s: IDE controller (0x%04x:0x%04x rev 0x%02x) at "
+ " PCI slot %s\n", d->name, dev->vendor, dev->device,
+ dev->revision, pci_name(dev));
}
EXPORT_SYMBOL_GPL(ide_setup_pci_noise);
@@ -235,15 +238,15 @@ EXPORT_SYMBOL_GPL(ide_setup_pci_noise);
/**
* ide_pci_enable - do PCI enables
* @dev: PCI device
- * @d: IDE pci device data
+ * @d: IDE port info
*
* Enable the IDE PCI device. We attempt to enable the device in full
* but if that fails then we only need BAR4 so we will enable that.
*
* Returns zero on success or an error code
*/
-
-static int ide_pci_enable(struct pci_dev *dev, ide_pci_device_t *d)
+
+static int ide_pci_enable(struct pci_dev *dev, const struct ide_port_info *d)
{
int ret;
@@ -258,9 +261,9 @@ static int ide_pci_enable(struct pci_dev *dev, ide_pci_device_t *d)
}
/*
- * assume all devices can do 32-bit dma for now. we can add a
- * dma mask field to the ide_pci_device_t if we need it (or let
- * lower level driver set the dma mask)
+ * assume all devices can do 32-bit DMA for now, we can add
+ * a DMA mask field to the struct ide_port_info if we need it
+ * (or let lower level driver set the DMA mask)
*/
ret = pci_set_dma_mask(dev, DMA_32BIT_MASK);
if (ret < 0) {
@@ -282,13 +285,13 @@ out:
/**
* ide_pci_configure - configure an unconfigured device
* @dev: PCI device
- * @d: IDE pci device data
+ * @d: IDE port info
*
* Enable and configure the PCI device we have been passed.
* Returns zero on success or an error code.
*/
-
-static int ide_pci_configure(struct pci_dev *dev, ide_pci_device_t *d)
+
+static int ide_pci_configure(struct pci_dev *dev, const struct ide_port_info *d)
{
u16 pcicmd = 0;
/*
@@ -316,15 +319,15 @@ static int ide_pci_configure(struct pci_dev *dev, ide_pci_device_t *d)
/**
* ide_pci_check_iomem - check a register is I/O
- * @dev: pci device
- * @d: ide_pci_device
- * @bar: bar number
+ * @dev: PCI device
+ * @d: IDE port info
+ * @bar: BAR number
*
* Checks if a BAR is configured and points to MMIO space. If so
* print an error and return an error code. Otherwise return 0
*/
-
-static int ide_pci_check_iomem(struct pci_dev *dev, ide_pci_device_t *d, int bar)
+
+static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *d, int bar)
{
ulong flags = pci_resource_flags(dev, bar);
@@ -346,7 +349,7 @@ static int ide_pci_check_iomem(struct pci_dev *dev, ide_pci_device_t *d, int bar
/**
* ide_hwif_configure - configure an IDE interface
* @dev: PCI device holding interface
- * @d: IDE pci data
+ * @d: IDE port info
* @mate: Paired interface if any
*
* Perform the initial set up for the hardware interface structure. This
@@ -355,11 +358,12 @@ static int ide_pci_check_iomem(struct pci_dev *dev, ide_pci_device_t *d, int bar
*
* Returns the new hardware interface structure, or NULL on a failure
*/
-
-static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *mate, int port, int irq)
+
+static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, const struct ide_port_info *d, ide_hwif_t *mate, int port, int irq)
{
unsigned long ctl = 0, base = 0;
ide_hwif_t *hwif;
+ u8 bootable = (d->host_flags & IDE_HFLAG_BOOTABLE) ? 1 : 0;
if ((d->host_flags & IDE_HFLAG_ISA_PORTS) == 0) {
/* Possibly we should fail if these checks report true */
@@ -380,23 +384,24 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ide_pci_device_t *d,
ctl = port ? 0x374 : 0x3f4;
base = port ? 0x170 : 0x1f0;
}
- if ((hwif = ide_match_hwif(base, d->bootable, d->name)) == NULL)
+ if ((hwif = ide_match_hwif(base, bootable, d->name)) == NULL)
return NULL; /* no room in ide_hwifs[] */
if (hwif->io_ports[IDE_DATA_OFFSET] != base ||
hwif->io_ports[IDE_CONTROL_OFFSET] != (ctl | 2)) {
- memset(&hwif->hw, 0, sizeof(hwif->hw));
-#ifndef IDE_ARCH_OBSOLETE_INIT
- ide_std_init_ports(&hwif->hw, base, (ctl | 2));
- hwif->hw.io_ports[IDE_IRQ_OFFSET] = 0;
+ hw_regs_t hw;
+
+ memset(&hw, 0, sizeof(hw));
+#ifndef CONFIG_IDE_ARCH_OBSOLETE_INIT
+ ide_std_init_ports(&hw, base, ctl | 2);
#else
- ide_init_hwif_ports(&hwif->hw, base, (ctl | 2), NULL);
+ ide_init_hwif_ports(&hw, base, ctl | 2, NULL);
#endif
- memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
+ memcpy(hwif->io_ports, hw.io_ports, sizeof(hwif->io_ports));
hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
}
- hwif->chipset = ide_pci;
+ hwif->chipset = d->chipset ? d->chipset : ide_pci;
hwif->pci_dev = dev;
- hwif->cds = (struct ide_pci_device_s *) d;
+ hwif->cds = d;
hwif->channel = port;
if (!hwif->irq)
@@ -411,28 +416,25 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ide_pci_device_t *d,
/**
* ide_hwif_setup_dma - configure DMA interface
* @dev: PCI device
- * @d: IDE pci data
- * @hwif: Hardware interface we are configuring
+ * @d: IDE port info
+ * @hwif: IDE interface
*
* Set up the DMA base for the interface. Enable the master bits as
* necessary and attempt to bring the device DMA into a ready to use
* state
*/
-
-#ifndef CONFIG_BLK_DEV_IDEDMA_PCI
-static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *hwif)
-{
-}
-#else
-static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *hwif)
+
+static void ide_hwif_setup_dma(struct pci_dev *dev, const struct ide_port_info *d, ide_hwif_t *hwif)
{
+#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
u16 pcicmd;
+
pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
- if ((d->autodma == AUTODMA) ||
+ if ((d->host_flags & IDE_HFLAG_NO_AUTODMA) == 0 ||
((dev->class >> 8) == PCI_CLASS_STORAGE_IDE &&
(dev->class & 0x80))) {
- unsigned long dma_base = ide_get_or_set_dma_base(hwif);
+ unsigned long dma_base = ide_get_or_set_dma_base(d, hwif);
if (dma_base && !(pcicmd & PCI_COMMAND_MASTER)) {
/*
* Set up BM-DMA capability
@@ -456,13 +458,13 @@ static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwi
"(BIOS)\n", hwif->name, d->name);
}
}
-}
#endif /* CONFIG_BLK_DEV_IDEDMA_PCI*/
+}
/**
* ide_setup_pci_controller - set up IDE PCI
* @dev: PCI device
- * @d: IDE PCI data
+ * @d: IDE port info
* @noisy: verbose flag
* @config: returned as 1 if we configured the hardware
*
@@ -470,11 +472,10 @@ static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwi
* up the PCI side of the device, checks that the device is enabled
* and enables it if need be
*/
-
-static int ide_setup_pci_controller(struct pci_dev *dev, ide_pci_device_t *d, int noisy, int *config)
+
+static int ide_setup_pci_controller(struct pci_dev *dev, const struct ide_port_info *d, int noisy, int *config)
{
int ret;
- u32 class_rev;
u16 pcicmd;
if (noisy)
@@ -497,10 +498,6 @@ static int ide_setup_pci_controller(struct pci_dev *dev, ide_pci_device_t *d, in
printk(KERN_INFO "%s: device enabled (Linux)\n", d->name);
}
- pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
- class_rev &= 0xff;
- if (noisy)
- printk(KERN_INFO "%s: chipset revision %d\n", d->name, class_rev);
out:
return ret;
}
@@ -508,9 +505,9 @@ out:
/**
* ide_pci_setup_ports - configure ports/devices on PCI IDE
* @dev: PCI device
- * @d: IDE pci device info
+ * @d: IDE port info
* @pciirq: IRQ line
- * @index: ata index to update
+ * @idx: ATA index table to update
*
* Scan the interfaces attached to this device and do any
* necessary per port setup. Attach the devices and ask the
@@ -520,26 +517,25 @@ out:
* but is also used directly as a helper function by some controllers
* where the chipset setup is not the default PCI IDE one.
*/
-
-void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, ata_index_t *index)
+
+void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int pciirq, u8 *idx)
{
int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port;
- int at_least_one_hwif_enabled = 0;
ide_hwif_t *hwif, *mate = NULL;
u8 tmp;
- index->all = 0xf0f0;
-
/*
* Set up the IDE ports
*/
-
+
for (port = 0; port < channels; ++port) {
- ide_pci_enablebit_t *e = &(d->enablebits[port]);
-
+ const ide_pci_enablebit_t *e = &(d->enablebits[port]);
+
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
- (tmp & e->mask) != e->val))
+ (tmp & e->mask) != e->val)) {
+ printk(KERN_INFO "%s: IDE port disabled\n", d->name);
continue; /* port not enabled */
+ }
if ((hwif = ide_hwif_configure(dev, d, mate, port, pciirq)) == NULL)
continue;
@@ -547,27 +543,49 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
/* setup proper ancestral information */
hwif->gendev.parent = &dev->dev;
- if (hwif->channel) {
- index->b.high = hwif->index;
- } else {
- index->b.low = hwif->index;
- }
+ *(idx + port) = hwif->index;
if (d->init_iops)
d->init_iops(hwif);
- if (d->autodma == NODMA)
- goto bypass_legacy_dma;
-
- if(d->init_setup_dma)
- d->init_setup_dma(dev, d, hwif);
- else
+ if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0)
ide_hwif_setup_dma(dev, d, hwif);
-bypass_legacy_dma:
+
+ if ((!hwif->irq && (d->host_flags & IDE_HFLAG_LEGACY_IRQS)) ||
+ (d->host_flags & IDE_HFLAG_FORCE_LEGACY_IRQS))
+ hwif->irq = port ? 15 : 14;
+
+ hwif->fixup = d->fixup;
+
hwif->host_flags = d->host_flags;
hwif->pio_mask = d->pio_mask;
+ if ((d->host_flags & IDE_HFLAG_SERIALIZE) && hwif->mate)
+ hwif->mate->serialized = hwif->serialized = 1;
+
+ if (d->host_flags & IDE_HFLAG_IO_32BIT) {
+ hwif->drives[0].io_32bit = 1;
+ hwif->drives[1].io_32bit = 1;
+ }
+
+ if (d->host_flags & IDE_HFLAG_UNMASK_IRQS) {
+ hwif->drives[0].unmask = 1;
+ hwif->drives[1].unmask = 1;
+ }
+
+ if (hwif->dma_base) {
+ hwif->swdma_mask = d->swdma_mask;
+ hwif->mwdma_mask = d->mwdma_mask;
+ hwif->ultra_mask = d->udma_mask;
+ }
+
+ hwif->drives[0].autotune = 1;
+ hwif->drives[1].autotune = 1;
+
+ if (d->host_flags & IDE_HFLAG_RQSIZE_256)
+ hwif->rqsize = 256;
+
if (d->init_hwif)
/* Call chipset-specific routine
* for each enabled hwif
@@ -575,10 +593,7 @@ bypass_legacy_dma:
d->init_hwif(hwif);
mate = hwif;
- at_least_one_hwif_enabled = 1;
}
- if (!at_least_one_hwif_enabled)
- printk(KERN_INFO "%s: neither IDE port enabled (BIOS)\n", d->name);
}
EXPORT_SYMBOL_GPL(ide_pci_setup_ports);
@@ -590,13 +605,13 @@ EXPORT_SYMBOL_GPL(ide_pci_setup_ports);
*
* One thing that is not standardized is the location of the
* primary/secondary interface "enable/disable" bits. For chipsets that
- * we "know" about, this information is in the ide_pci_device_t struct;
+ * we "know" about, this information is in the struct ide_port_info;
* for all other chipsets, we just assume both interfaces are enabled.
*/
-static int do_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d,
- ata_index_t *index, u8 noisy)
+static int do_ide_setup_pci_device(struct pci_dev *dev,
+ const struct ide_port_info *d,
+ u8 *idx, u8 noisy)
{
- static ata_index_t ata_index = { .b = { .low = 0xff, .high = 0xff } };
int tried_config = 0;
int pciirq, ret;
@@ -646,51 +661,35 @@ static int do_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d,
/* FIXME: silent failure can happen */
- *index = ata_index;
- ide_pci_setup_ports(dev, d, pciirq, index);
+ ide_pci_setup_ports(dev, d, pciirq, idx);
out:
return ret;
}
-int ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d)
+int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d)
{
- ide_hwif_t *hwif = NULL, *mate = NULL;
- ata_index_t index_list;
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
int ret;
- ret = do_ide_setup_pci_device(dev, d, &index_list, 1);
- if (ret < 0)
- goto out;
-
- if ((index_list.b.low & 0xf0) != 0xf0)
- hwif = &ide_hwifs[index_list.b.low];
- if ((index_list.b.high & 0xf0) != 0xf0)
- mate = &ide_hwifs[index_list.b.high];
+ ret = do_ide_setup_pci_device(dev, d, &idx[0], 1);
- if (hwif)
- probe_hwif_init_with_fixup(hwif, d->fixup);
- if (mate)
- probe_hwif_init_with_fixup(mate, d->fixup);
+ if (ret >= 0)
+ ide_device_add(idx);
- if (hwif)
- ide_proc_register_port(hwif);
- if (mate)
- ide_proc_register_port(mate);
-out:
return ret;
}
EXPORT_SYMBOL_GPL(ide_setup_pci_device);
int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2,
- ide_pci_device_t *d)
+ const struct ide_port_info *d)
{
struct pci_dev *pdev[] = { dev1, dev2 };
- ata_index_t index_list[2];
int ret, i;
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
for (i = 0; i < 2; i++) {
- ret = do_ide_setup_pci_device(pdev[i], d, index_list + i, !i);
+ ret = do_ide_setup_pci_device(pdev[i], d, &idx[i*2], !i);
/*
* FIXME: Mom, mom, they stole me the helper function to undo
* do_ide_setup_pci_device() on the first device!
@@ -699,25 +698,7 @@ int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2,
goto out;
}
- for (i = 0; i < 2; i++) {
- u8 idx[2] = { index_list[i].b.low, index_list[i].b.high };
- int j;
-
- for (j = 0; j < 2; j++) {
- if ((idx[j] & 0xf0) != 0xf0)
- probe_hwif_init(ide_hwifs + idx[j]);
- }
- }
-
- for (i = 0; i < 2; i++) {
- u8 idx[2] = { index_list[i].b.low, index_list[i].b.high };
- int j;
-
- for (j = 0; j < 2; j++) {
- if ((idx[j] & 0xf0) != 0xf0)
- ide_proc_register_port(ide_hwifs + idx[j]);
- }
- }
+ ide_device_add(idx);
out:
return ret;
}
@@ -742,9 +723,6 @@ static LIST_HEAD(ide_pci_drivers);
* hands the controllers off to the core PCI code to do the rest of
* the work.
*
- * The driver_data of the driver table must point to an ide_pci_device_t
- * describing the interface.
- *
* Returns are the same as for pci_register_driver
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 03:42:03 +0000