*
* Copyright (c) 1995-1998 Mark Lord
* May be copied or modified under the terms of the GNU General Public License
- *
- * Recent Changes
- * Split the set up function into multiple functions
- * Use pci_set_master
- * Fix misreporting of I/O v MMIO problems
- * Initial fixups for simplex devices
*/
/*
}
#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
-
-#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
-/*
- * Long lost data from 2.0.34 that is now in 2.0.39
- *
- * This was used in ./drivers/block/triton.c to do DMA Base address setup
- * when PnP failed. Oh the things we forget. I believe this was part
- * of SFF-8038i that has been withdrawn from public access... :-((
- */
-#define DEFAULT_BMIBA 0xe800 /* in case BIOS did not init it */
-#define DEFAULT_BMCRBA 0xcc00 /* VIA's default value */
-#define DEFAULT_BMALIBA 0xd400 /* ALI's default value */
-#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
-
/**
* ide_get_or_set_dma_base - setup BMIBA
+ * @d: IDE pci device data
* @hwif: Interface
*
- * Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space:
- * If need be we set up the DMA base. Where a device has a partner that
- * is already in DMA mode we check and enforce IDE simplex rules.
+ * 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(ide_pci_device_t *d, ide_hwif_t *hwif)
{
unsigned long dma_base = 0;
struct pci_dev *dev = hwif->pci_dev;
-#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
- int second_chance = 0;
-
-second_chance_to_dma:
-#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
-
if (hwif->mmio)
return hwif->dma_base;
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;
-#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
- /* FIXME - should use pci_assign_resource surely */
- if ((!dma_base) && (!second_chance)) {
- unsigned long set_bmiba = 0;
- second_chance++;
- switch(dev->vendor) {
- case PCI_VENDOR_ID_AL:
- set_bmiba = DEFAULT_BMALIBA; break;
- case PCI_VENDOR_ID_VIA:
- set_bmiba = DEFAULT_BMCRBA; break;
- case PCI_VENDOR_ID_INTEL:
- set_bmiba = DEFAULT_BMIBA; break;
- default:
- return dma_base;
- }
- pci_write_config_dword(dev, 0x20, set_bmiba|1);
- goto second_chance_to_dma;
+ dma_base = pci_resource_start(dev, baridx);
+
+ if (dma_base == 0)
+ printk(KERN_ERR "%s: DMA base is invalid\n", d->name);
}
-#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
- if (dma_base) {
+ if ((d->host_flags & IDE_HFLAG_CS5520) == 0 && dma_base) {
u8 simplex_stat = 0;
dma_base += hwif->channel ? 8 : 0;
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:
*/
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;
}
}
{
unsigned long ctl = 0, base = 0;
ide_hwif_t *hwif;
+ u8 bootable = (d->host_flags & IDE_HFLAG_BOOTABLE) ? 1 : 0;
- if ((d->flags & IDEPCI_FLAG_ISA_PORTS) == 0) {
+ if ((d->host_flags & IDE_HFLAG_ISA_PORTS) == 0) {
/* Possibly we should fail if these checks report true */
ide_pci_check_iomem(dev, d, 2*port);
ide_pci_check_iomem(dev, d, 2*port+1);
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)) {
static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *hwif)
{
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
* (PnP BIOS should have done this)
*/
- /* default DMA off if we had to configure it here */
- hwif->autodma = 0;
pci_set_master(dev);
if (pci_read_config_word(dev, PCI_COMMAND, &pcicmd) || !(pcicmd & PCI_COMMAND_MASTER)) {
printk(KERN_ERR "%s: %s error updating PCICMD\n",
static int ide_setup_pci_controller(struct pci_dev *dev, ide_pci_device_t *d, int noisy, int *config)
{
int ret;
- u32 class_rev;
u16 pcicmd;
if (noisy)
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);
+ printk(KERN_INFO "%s: chipset revision %d\n",
+ d->name, dev->revision);
out:
return ret;
}
void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, ata_index_t *index)
{
- int port;
+ 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;
* Set up the IDE ports
*/
- for (port = 0; port <= 1; ++port) {
+ for (port = 0; port < channels; ++port) {
ide_pci_enablebit_t *e = &(d->enablebits[port]);
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
(tmp & e->mask) != e->val))
continue; /* port not enabled */
- if (d->channels <= port)
- break;
-
if ((hwif = ide_hwif_configure(dev, d, mate, port, pciirq)) == NULL)
continue;
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:
+
+ hwif->host_flags = d->host_flags;
+ hwif->pio_mask = d->pio_mask;
+
+ if (hwif->dma_base) {
+ hwif->swdma_mask = d->swdma_mask;
+ hwif->mwdma_mask = d->mwdma_mask;
+ hwif->ultra_mask = d->udma_mask;
+ }
+
if (d->init_hwif)
/* Call chipset-specific routine
* for each enabled hwif
struct list_head *l;
struct pci_driver *d;
- list_for_each(l, &ide_pci_drivers)
- {
+ list_for_each(l, &ide_pci_drivers) {
d = list_entry(l, struct pci_driver, node);
- if(d->id_table)
- {
- const struct pci_device_id *id = pci_match_id(d->id_table, dev);
- if(id != NULL)
- {
- if(d->probe(dev, id) >= 0)
- {
- dev->driver = d;
- return 1;
- }
+ if (d->id_table) {
+ const struct pci_device_id *id = pci_match_id(d->id_table,
+ dev);
+ if (id != NULL && d->probe(dev, id) >= 0) {
+ dev->driver = d;
+ pci_dev_get(dev);
+ return 1;
}
}
}
struct list_head *l, *n;
pre_init = 0;
- if (!scan_direction) {
- while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+ if (!scan_direction)
+ while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL)
ide_scan_pcidev(dev);
- }
- } else {
- while ((dev = pci_get_device_reverse(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+ else
+ while ((dev = pci_get_device_reverse(PCI_ANY_ID, PCI_ANY_ID, dev))
+ != NULL)
ide_scan_pcidev(dev);
- }
- }
/*
* Hand the drivers over to the PCI layer now we
list_for_each_safe(l, n, &ide_pci_drivers) {
list_del(l);
d = list_entry(l, struct pci_driver, node);
- if (__pci_register_driver(d, d->driver.owner,
- d->driver.mod_name)) {
- printk(KERN_ERR "%s: failed to register driver "
- "for %s\n", __FUNCTION__,
- d->driver.mod_name);
- }
+ if (__pci_register_driver(d, d->driver.owner, d->driver.mod_name))
+ printk(KERN_ERR "%s: failed to register driver for %s\n",
+ __FUNCTION__, d->driver.mod_name);
}
}
#endif
git.openpandora.org / pandora-kernel.git / blobdiff