int noautodma = 0;
-#ifdef CONFIG_BLK_DEV_IDEACPI
-int ide_noacpi = 0;
-int ide_noacpitfs = 1;
-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;
}
-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;
/**
* ide_unregister - free an IDE interface
- * @index: index of interface (will change soon to a pointer)
+ * @hwif: IDE interface
*
* Perform the final unregister of an IDE interface. At the moment
* we don't refcount interfaces so this will also get split up.
* This is raving bonkers.
*/
-void ide_unregister(unsigned int index)
+void ide_unregister(ide_hwif_t *hwif)
{
- ide_hwif_t *hwif, *g;
+ ide_hwif_t *g;
ide_hwgroup_t *hwgroup;
int irq_count = 0;
- BUG_ON(index >= MAX_HWIFS);
-
BUG_ON(in_interrupt());
BUG_ON(irqs_disabled());
+
mutex_lock(&ide_cfg_mtx);
- spin_lock_irq(&ide_lock);
- hwif = &ide_hwifs[index];
- if (!hwif->present)
- goto abort;
- __ide_port_unregister_devices(hwif);
- hwif->present = 0;
+ spin_lock_irq(&ide_lock);
+ if (hwif->present) {
+ __ide_port_unregister_devices(hwif);
+ hwif->present = 0;
+ }
spin_unlock_irq(&ide_lock);
ide_proc_unregister_port(hwif);
blk_unregister_region(MKDEV(hwif->major, 0), MAX_DRIVES<<PARTN_BITS);
kfree(hwif->sg_table);
unregister_blkdev(hwif->major, hwif->name);
- spin_lock_irq(&ide_lock);
if (hwif->dma_base)
- (void)ide_release_dma(hwif);
-
- ide_hwif_release_regions(hwif);
+ ide_release_dma_engine(hwif);
+ spin_lock_irq(&ide_lock);
/* restore hwif data to pristine status */
- ide_init_port_data(hwif, index);
-
-abort:
+ ide_init_port_data(hwif, hwif->index);
spin_unlock_irq(&ide_lock);
+
mutex_unlock(&ide_cfg_mtx);
}
void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw)
{
- memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
+ 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)
if (!(drive->dn % 2))
ide_acpi_get_timing(hwif);
- memset(&rq, 0, sizeof(rq));
+ blk_rq_init(NULL, &rq);
memset(&rqpm, 0, sizeof(rqpm));
memset(&args, 0, sizeof(args));
rq.cmd_type = REQ_TYPE_PM_SUSPEND;
ide_acpi_exec_tfs(drive);
- memset(&rq, 0, sizeof(rq));
+ blk_rq_init(NULL, &rq);
memset(&rqpm, 0, sizeof(rqpm));
memset(&args, 0, sizeof(args));
rq.cmd_type = REQ_TYPE_PM_RESUME;
return 0; /* zero = nothing matched */
}
-extern int probe_ali14xx;
-extern int probe_umc8672;
-extern int probe_dtc2278;
-extern int probe_ht6560b;
-extern int probe_qd65xx;
-extern int cmd640_vlb;
-extern int probe_4drives;
-
-static int __initdata is_chipset_set;
-
/*
* ide_setup() gets called VERY EARLY during initialization,
* to handle kernel "command line" strings beginning with "hdx=" or "ide".
*/
static int __init ide_setup(char *s)
{
- int i, vals[3];
ide_hwif_t *hwif;
ide_drive_t *drive;
unsigned int hw, unit;
+ int vals[3];
const char max_drive = 'a' + ((MAX_HWIFS * MAX_DRIVES) - 1);
- const char max_hwif = '0' + (MAX_HWIFS - 1);
-
if (strncmp(s,"hd",2) == 0 && s[2] == '=') /* hd= is for hd.c */
return 0; /* driver and not us */
printk(" : Enabled support for IDE doublers\n");
ide_doubler = 1;
- return 1;
+ goto obsolete_option;
}
#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
if (!strcmp(s, "ide=noacpi")) {
//printk(" : Disable IDE ACPI support.\n");
ide_noacpi = 1;
- return 1;
+ goto obsolete_option;
}
if (!strcmp(s, "ide=acpigtf")) {
//printk(" : Enable IDE ACPI _GTF support.\n");
- ide_noacpitfs = 0;
- return 1;
+ ide_acpigtf = 1;
+ goto obsolete_option;
}
if (!strcmp(s, "ide=acpionboot")) {
//printk(" : Call IDE ACPI methods on boot.\n");
- ide_noacpionboot = 0;
- return 1;
+ ide_acpionboot = 1;
+ goto obsolete_option;
}
#endif /* CONFIG_BLK_DEV_IDEACPI */
if (s[0] == 'h' && s[1] == 'd' && s[2] >= 'a' && s[2] <= max_drive) {
const char *hd_words[] = {
"none", "noprobe", "nowerr", "cdrom", "nodma",
- "autotune", "noautotune", "-8", "-9", "-10",
+ "-6", "-7", "-8", "-9", "-10",
"noflush", "remap", "remap63", "scsi", NULL };
unit = s[2] - 'a';
hw = unit / MAX_DRIVES;
case -1: /* "none" */
case -2: /* "noprobe" */
drive->noprobe = 1;
- goto done;
+ goto obsolete_option;
case -3: /* "nowerr" */
drive->bad_wstat = BAD_R_STAT;
- hwif->noprobe = 0;
- goto done;
+ goto obsolete_option;
case -4: /* "cdrom" */
drive->present = 1;
drive->media = ide_cdrom;
/* an ATAPI device ignores DRDY */
drive->ready_stat = 0;
- hwif->noprobe = 0;
- goto done;
+ goto obsolete_option;
case -5: /* nodma */
drive->nodma = 1;
- goto done;
- case -6: /* "autotune" */
- drive->autotune = IDE_TUNE_AUTO;
- goto obsolete_option;
- case -7: /* "noautotune" */
- drive->autotune = IDE_TUNE_NOAUTO;
goto obsolete_option;
case -11: /* noflush */
drive->noflush = 1;
- goto done;
+ goto obsolete_option;
case -12: /* "remap" */
drive->remap_0_to_1 = 1;
goto obsolete_option;
drive->sect = drive->bios_sect = vals[2];
drive->present = 1;
drive->forced_geom = 1;
- hwif->noprobe = 0;
- goto done;
+ goto obsolete_option;
default:
goto bad_option;
}
idebus_parameter = vals[0];
} else
printk(" -- BAD BUS SPEED! Expected value from 20 to 66");
- goto done;
+ goto obsolete_option;
}
- /*
- * Look for interface options: "idex="
- */
- if (s[3] >= '0' && s[3] <= max_hwif) {
- /*
- * Be VERY CAREFUL changing this: note hardcoded indexes below
- * (-8, -9, -10) are reserved to ease the hardcoding.
- */
- static const char *ide_words[] = {
- "minus1", "serialize", "minus3", "minus4",
- "reset", "minus6", "ata66", "minus8", "minus9",
- "minus10", "four", "qd65xx", "ht6560b", "cmd640_vlb",
- "dtc2278", "umc8672", "ali14xx", NULL };
-
- hw = s[3] - '0';
- hwif = &ide_hwifs[hw];
- i = match_parm(&s[4], ide_words, vals, 3);
-
- /*
- * Cryptic check to ensure chipset not already set for hwif.
- * Note: we can't depend on hwif->chipset here.
- */
- if (i >= -18 && i <= -11) {
- /* chipset already specified */
- if (is_chipset_set)
- goto bad_option;
- /* these drivers are for "ide0=" only */
- if (hw != 0)
- goto bad_hwif;
- is_chipset_set = 1;
- printk("\n");
- }
-
- switch (i) {
-#ifdef CONFIG_BLK_DEV_ALI14XX
- case -17: /* "ali14xx" */
- probe_ali14xx = 1;
- goto obsolete_option;
-#endif
-#ifdef CONFIG_BLK_DEV_UMC8672
- case -16: /* "umc8672" */
- probe_umc8672 = 1;
- goto obsolete_option;
-#endif
-#ifdef CONFIG_BLK_DEV_DTC2278
- case -15: /* "dtc2278" */
- probe_dtc2278 = 1;
- goto obsolete_option;
-#endif
-#ifdef CONFIG_BLK_DEV_CMD640
- case -14: /* "cmd640_vlb" */
- cmd640_vlb = 1;
- goto obsolete_option;
-#endif
-#ifdef CONFIG_BLK_DEV_HT6560B
- case -13: /* "ht6560b" */
- probe_ht6560b = 1;
- goto obsolete_option;
-#endif
-#ifdef CONFIG_BLK_DEV_QD65XX
- case -12: /* "qd65xx" */
- probe_qd65xx = 1;
- goto obsolete_option;
-#endif
-#ifdef CONFIG_BLK_DEV_4DRIVES
- case -11: /* "four" drives on one set of ports */
- probe_4drives = 1;
- goto obsolete_option;
-#endif
- case -10: /* minus10 */
- case -9: /* minus9 */
- case -8: /* minus8 */
- case -6:
- case -4:
- case -3:
- goto bad_option;
- case -7: /* ata66 */
-#ifdef CONFIG_BLK_DEV_IDEPCI
- /*
- * Use ATA_CBL_PATA40_SHORT so drive side
- * cable detection is also overriden.
- */
- hwif->cbl = ATA_CBL_PATA40_SHORT;
- goto obsolete_option;
-#else
- goto bad_hwif;
-#endif
- 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 -1:
- case 0:
- case 1:
- case 2:
- case 3:
- goto bad_option;
- default:
- printk(" -- SUPPORT NOT CONFIGURED IN THIS KERNEL\n");
- return 1;
- }
- }
bad_option:
printk(" -- BAD OPTION\n");
return 1;
obsolete_option:
printk(" -- OBSOLETE OPTION, WILL BE REMOVED SOON!\n");
return 1;
-bad_hwif:
- printk("-- NOT SUPPORTED ON ide%d", hw);
-done:
- printk("\n");
- return 1;
}
EXPORT_SYMBOL(ide_lock);
EXPORT_SYMBOL_GPL(ide_bus_type);
-static void ide_port_class_release(struct device *portdev)
+int ide_vlb_clk;
+EXPORT_SYMBOL_GPL(ide_vlb_clk);
+
+module_param_named(vlb_clock, ide_vlb_clk, int, 0);
+MODULE_PARM_DESC(vlb_clock, "VLB clock frequency (in MHz)");
+
+int ide_pci_clk;
+EXPORT_SYMBOL_GPL(ide_pci_clk);
+
+module_param_named(pci_clock, ide_pci_clk, int, 0);
+MODULE_PARM_DESC(pci_clock, "PCI bus clock frequency (in MHz)");
+
+static int ide_set_dev_param_mask(const char *s, struct kernel_param *kp)
{
- ide_hwif_t *hwif = dev_get_drvdata(portdev);
+ int a, b, i, j = 1;
+ unsigned int *dev_param_mask = (unsigned int *)kp->arg;
+
+ if (sscanf(s, "%d.%d:%d", &a, &b, &j) != 3 &&
+ sscanf(s, "%d.%d", &a, &b) != 2)
+ return -EINVAL;
+
+ i = a * MAX_DRIVES + b;
- put_device(&hwif->gendev);
+ if (i >= MAX_HWIFS * MAX_DRIVES || j < 0 || j > 1)
+ return -EINVAL;
+
+ if (j)
+ *dev_param_mask |= (1 << i);
+ else
+ *dev_param_mask &= (1 << i);
+
+ return 0;
+}
+
+static unsigned int ide_nodma;
+
+module_param_call(nodma, ide_set_dev_param_mask, NULL, &ide_nodma, 0);
+MODULE_PARM_DESC(nodma, "disallow DMA for a device");
+
+static unsigned int ide_noflush;
+
+module_param_call(noflush, ide_set_dev_param_mask, NULL, &ide_noflush, 0);
+MODULE_PARM_DESC(noflush, "disable flush requests for a device");
+
+static unsigned int ide_noprobe;
+
+module_param_call(noprobe, ide_set_dev_param_mask, NULL, &ide_noprobe, 0);
+MODULE_PARM_DESC(noprobe, "skip probing for a device");
+
+static unsigned int ide_nowerr;
+
+module_param_call(nowerr, ide_set_dev_param_mask, NULL, &ide_nowerr, 0);
+MODULE_PARM_DESC(nowerr, "ignore the WRERR_STAT bit for a device");
+
+static unsigned int ide_cdroms;
+
+module_param_call(cdrom, ide_set_dev_param_mask, NULL, &ide_cdroms, 0);
+MODULE_PARM_DESC(cdrom, "force device as a CD-ROM");
+
+struct chs_geom {
+ unsigned int cyl;
+ u8 head;
+ u8 sect;
+};
+
+static unsigned int ide_disks;
+static struct chs_geom ide_disks_chs[MAX_HWIFS * MAX_DRIVES];
+
+static int ide_set_disk_chs(const char *str, struct kernel_param *kp)
+{
+ int a, b, c = 0, h = 0, s = 0, i, j = 1;
+
+ if (sscanf(str, "%d.%d:%d,%d,%d", &a, &b, &c, &h, &s) != 5 &&
+ sscanf(str, "%d.%d:%d", &a, &b, &j) != 3)
+ return -EINVAL;
+
+ i = a * MAX_DRIVES + b;
+
+ if (i >= MAX_HWIFS * MAX_DRIVES || j < 0 || j > 1)
+ return -EINVAL;
+
+ if (c > INT_MAX || h > 255 || s > 255)
+ return -EINVAL;
+
+ if (j)
+ ide_disks |= (1 << i);
+ else
+ ide_disks &= (1 << i);
+
+ ide_disks_chs[i].cyl = c;
+ ide_disks_chs[i].head = h;
+ ide_disks_chs[i].sect = s;
+
+ return 0;
+}
+
+module_param_call(chs, ide_set_disk_chs, NULL, NULL, 0);
+MODULE_PARM_DESC(chs, "force device as a disk (using CHS)");
+
+static void ide_dev_apply_params(ide_drive_t *drive)
+{
+ int i = drive->hwif->index * MAX_DRIVES + drive->select.b.unit;
+
+ if (ide_nodma & (1 << i)) {
+ printk(KERN_INFO "ide: disallowing DMA for %s\n", drive->name);
+ drive->nodma = 1;
+ }
+ if (ide_noflush & (1 << i)) {
+ printk(KERN_INFO "ide: disabling flush requests for %s\n",
+ drive->name);
+ drive->noflush = 1;
+ }
+ if (ide_noprobe & (1 << i)) {
+ printk(KERN_INFO "ide: skipping probe for %s\n", drive->name);
+ drive->noprobe = 1;
+ }
+ if (ide_nowerr & (1 << i)) {
+ printk(KERN_INFO "ide: ignoring the WRERR_STAT bit for %s\n",
+ drive->name);
+ drive->bad_wstat = BAD_R_STAT;
+ }
+ if (ide_cdroms & (1 << i)) {
+ printk(KERN_INFO "ide: forcing %s as a CD-ROM\n", drive->name);
+ drive->present = 1;
+ drive->media = ide_cdrom;
+ /* an ATAPI device ignores DRDY */
+ drive->ready_stat = 0;
+ }
+ if (ide_disks & (1 << i)) {
+ drive->cyl = drive->bios_cyl = ide_disks_chs[i].cyl;
+ drive->head = drive->bios_head = ide_disks_chs[i].head;
+ drive->sect = drive->bios_sect = ide_disks_chs[i].sect;
+ drive->forced_geom = 1;
+ printk(KERN_INFO "ide: forcing %s as a disk (%d/%d/%d)\n",
+ drive->name,
+ drive->cyl, drive->head, drive->sect);
+ drive->present = 1;
+ drive->media = ide_disk;
+ drive->ready_stat = READY_STAT;
+ }
+}
+
+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)
+{
+ int i;
+
+ 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;
+ }
+
+ for (i = 0; i < MAX_DRIVES; i++)
+ ide_dev_apply_params(&hwif->drives[i]);
}
/*
ret = PTR_ERR(ide_port_class);
goto out_port_class;
}
- ide_port_class->dev_release = ide_port_class_release;
init_ide_data();
void __exit cleanup_module (void)
{
- int index;
-
- for (index = 0; index < MAX_HWIFS; ++index)
- ide_unregister(index);
-
proc_ide_destroy();
class_destroy(ide_port_class);
git.openpandora.org / pandora-kernel.git / blobdiff