int ide_noacpionboot = 1;
#endif
-/*
- * This is declared extern in ide.h, for access by other IDE modules:
- */
ide_hwif_t ide_hwifs[MAX_HWIFS]; /* master data repository */
-EXPORT_SYMBOL(ide_hwifs);
-
static void ide_port_init_devices_data(ide_hwif_t *);
/*
return pci_dev_present(pci_default) ? 33 : 50;
}
-ide_hwif_t * ide_find_port(unsigned long base)
-{
- ide_hwif_t *hwif;
- int i;
-
- for (i = 0; i < MAX_HWIFS; i++) {
- hwif = &ide_hwifs[i];
- if (hwif->io_ports[IDE_DATA_OFFSET] == base)
- goto found;
- }
-
- for (i = 0; i < MAX_HWIFS; i++) {
- hwif = &ide_hwifs[i];
- if (hwif->chipset == ide_unknown)
- goto found;
- }
-
- hwif = NULL;
-found:
- return hwif;
-}
-
-EXPORT_SYMBOL_GPL(ide_find_port);
-
-static struct resource* hwif_request_region(ide_hwif_t *hwif,
- unsigned long addr, int num)
-{
- struct resource *res = request_region(addr, num, hwif->name);
-
- if (!res)
- printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
- hwif->name, addr, addr+num-1);
- return res;
-}
-
-/**
- * ide_hwif_request_regions - request resources for IDE
- * @hwif: interface to use
- *
- * Requests all the needed resources for an interface.
- * Right now core IDE code does this work which is deeply wrong.
- * MMIO leaves it to the controller driver,
- * PIO will migrate this way over time.
- */
-
-int ide_hwif_request_regions(ide_hwif_t *hwif)
-{
- unsigned long addr;
- unsigned int i;
-
- if (hwif->mmio)
- return 0;
- addr = hwif->io_ports[IDE_CONTROL_OFFSET];
- if (addr && !hwif_request_region(hwif, addr, 1))
- goto control_region_busy;
- hwif->straight8 = 0;
- addr = hwif->io_ports[IDE_DATA_OFFSET];
- if ((addr | 7) == hwif->io_ports[IDE_STATUS_OFFSET]) {
- if (!hwif_request_region(hwif, addr, 8))
- goto data_region_busy;
- hwif->straight8 = 1;
- return 0;
- }
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- addr = hwif->io_ports[i];
- if (!hwif_request_region(hwif, addr, 1)) {
- while (--i)
- release_region(addr, 1);
- goto data_region_busy;
- }
- }
- return 0;
-
-data_region_busy:
- addr = hwif->io_ports[IDE_CONTROL_OFFSET];
- if (addr)
- release_region(addr, 1);
-control_region_busy:
- /* If any errors are return, we drop the hwif interface. */
- return -EBUSY;
-}
-
-/**
- * ide_hwif_release_regions - free IDE resources
- *
- * Note that we only release the standard ports,
- * and do not even try to handle any extra ports
- * allocated for weird IDE interface chipsets.
- *
- * Note also that we don't yet handle mmio resources here. More
- * importantly our caller should be doing this so we need to
- * restructure this as a helper function for drivers.
- */
-
-void ide_hwif_release_regions(ide_hwif_t *hwif)
-{
- u32 i = 0;
-
- if (hwif->mmio)
- return;
- if (hwif->io_ports[IDE_CONTROL_OFFSET])
- release_region(hwif->io_ports[IDE_CONTROL_OFFSET], 1);
- if (hwif->straight8) {
- release_region(hwif->io_ports[IDE_DATA_OFFSET], 8);
- return;
- }
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++)
- if (hwif->io_ports[i])
- release_region(hwif->io_ports[i], 1);
-}
-
void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
{
ide_hwgroup_t *hwgroup = hwif->hwgroup;
spin_lock_irq(&ide_lock);
if (hwif->dma_base)
- (void)ide_release_dma(hwif);
-
- ide_hwif_release_regions(hwif);
+ ide_release_dma_engine(hwif);
/* restore hwif data to pristine status */
ide_init_port_data(hwif, index);
{
memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
hwif->irq = hw->irq;
- hwif->noprobe = 0;
hwif->chipset = hw->chipset;
hwif->gendev.parent = hw->dev;
hwif->ack_intr = hw->ack_intr;
if (!drive->id || !(drive->id->capability & 1))
goto out;
- if (hwif->dma_host_set == NULL)
+ if (hwif->dma_ops == NULL)
goto out;
err = -EBUSY;
int set_pio_mode(ide_drive_t *drive, int arg)
{
struct request rq;
+ ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
if (arg < 0 || arg > 255)
return -EINVAL;
- if (drive->hwif->set_pio_mode == NULL)
+ if (port_ops == NULL || port_ops->set_pio_mode == NULL ||
+ (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return -ENOSYS;
if (drive->special.b.set_tune)
goto done;
case -3: /* "nowerr" */
drive->bad_wstat = BAD_R_STAT;
- hwif->noprobe = 0;
goto done;
case -4: /* "cdrom" */
drive->present = 1;
drive->media = ide_cdrom;
/* an ATAPI device ignores DRDY */
drive->ready_stat = 0;
- hwif->noprobe = 0;
goto done;
case -5: /* nodma */
drive->nodma = 1;
drive->sect = drive->bios_sect = vals[2];
drive->present = 1;
drive->forced_geom = 1;
- hwif->noprobe = 0;
goto done;
default:
goto bad_option;
* (-8, -9, -10) are reserved to ease the hardcoding.
*/
static const char *ide_words[] = {
- "minus1", "serialize", "minus3", "minus4",
+ "minus1", "minus2", "minus3", "minus4",
"reset", "minus6", "ata66", "minus8", "minus9",
"minus10", "four", "qd65xx", "ht6560b", "cmd640_vlb",
"dtc2278", "umc8672", "ali14xx", NULL };
case -5: /* "reset" */
hwif->reset = 1;
goto obsolete_option;
- case -2: /* "serialize" */
- hwif->mate = &ide_hwifs[hw^1];
- hwif->mate->mate = hwif;
- hwif->serialized = hwif->mate->serialized = 1;
- goto obsolete_option;
-
+ case -2:
case -1:
case 0:
case 1:
put_device(&hwif->gendev);
}
+static unsigned int ide_ignore_cable;
+
+static int ide_set_ignore_cable(const char *s, struct kernel_param *kp)
+{
+ int i, j = 1;
+
+ if (sscanf(s, "%d:%d", &i, &j) != 2 && sscanf(s, "%d", &i) != 1)
+ return -EINVAL;
+
+ if (i >= MAX_HWIFS || j < 0 || j > 1)
+ return -EINVAL;
+
+ if (j)
+ ide_ignore_cable |= (1 << i);
+ else
+ ide_ignore_cable &= (1 << i);
+
+ return 0;
+}
+
+module_param_call(ignore_cable, ide_set_ignore_cable, NULL, NULL, 0);
+MODULE_PARM_DESC(ignore_cable, "ignore cable detection");
+
+void ide_port_apply_params(ide_hwif_t *hwif)
+{
+ if (ide_ignore_cable & (1 << hwif->index)) {
+ printk(KERN_INFO "ide: ignoring cable detection for %s\n",
+ hwif->name);
+ hwif->cbl = ATA_CBL_PATA40_SHORT;
+ }
+}
+
/*
* This is gets invoked once during initialization, to set *everything* up
*/
projects / firefly-linux-kernel-4.4.55.git / blobdiff