1 files changed, 198 insertions, 162 deletions

diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index bced02f9f2c3..999584c03d97 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -94,12 +94,6 @@ DEFINE_MUTEX(ide_cfg_mtx);
 
 int noautodma = 0;
 
-#ifdef CONFIG_BLK_DEV_IDEACPI
-int ide_noacpi = 0;
-int ide_noacpitfs = 1;
-int ide_noacpionboot = 1;
-#endif
-
 ide_hwif_t ide_hwifs[MAX_HWIFS];        /* master data repository */
 
 static void ide_port_init_devices_data(ide_hwif_t *);
@@ -293,7 +287,7 @@ EXPORT_SYMBOL_GPL(ide_port_unregister_devices);
 
 /**
  *      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.
@@ -313,19 +307,16 @@ EXPORT_SYMBOL_GPL(ide_port_unregister_devices);
  *      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);
@@ -366,7 +357,7 @@ void ide_unregister(unsigned int index)
                 ide_release_dma_engine(hwif);
 
         /* restore hwif data to pristine status */
-        ide_init_port_data(hwif, index);
+        ide_init_port_data(hwif, hwif->index);
 
 abort:
         spin_unlock_irq(&ide_lock);
@@ -377,7 +368,7 @@ EXPORT_SYMBOL(ide_unregister);
 
 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->chipset = hw->chipset;
         hwif->gendev.parent = hw->dev;
@@ -837,16 +828,6 @@ static int __init match_parm (char *s, const char *keywords[], int vals[], int m
         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".
@@ -855,14 +836,12 @@ static int __initdata is_chipset_set;
  */
 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 */
 
@@ -878,7 +857,7 @@ static int __init ide_setup(char *s)
 
                 printk(" : Enabled support for IDE doublers\n");
                 ide_doubler = 1;
-                return 1;
+                goto obsolete_option;
         }
 #endif /* CONFIG_BLK_DEV_IDEDOUBLER */
 
@@ -892,17 +871,17 @@ static int __init ide_setup(char *s)
         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 */
 
@@ -912,7 +891,7 @@ static int __init ide_setup(char *s)
         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;
@@ -927,28 +906,22 @@ static int __init ide_setup(char *s)
                         case -1: /* "none" */
                         case -2: /* "noprobe" */
                                 drive->noprobe = 1;
-                                goto done;
+                                goto obsolete_option;
                         case -3: /* "nowerr" */
                                 drive->bad_wstat = BAD_R_STAT;
-                                goto done;
+                                goto obsolete_option;
                         case -4: /* "cdrom" */
                                 drive->present = 1;
                                 drive->media = ide_cdrom;
                                 /* an ATAPI device ignores DRDY */
                                 drive->ready_stat = 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;
@@ -966,7 +939,7 @@ static int __init ide_setup(char *s)
                                 drive->sect     = drive->bios_sect = vals[2];
                                 drive->present  = 1;
                                 drive->forced_geom = 1;
-                                goto done;
+                                goto obsolete_option;
                         default:
                                 goto bad_option;
                 }
@@ -984,126 +957,15 @@ static int __init ide_setup(char *s)
                         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);
@@ -1239,6 +1101,185 @@ static void ide_port_class_release(struct device *portdev)
         put_device(&hwif->gendev);
 }
 
+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)
+{
+        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;
+
+        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]);
+}
+
 /*
  * This is gets invoked once during initialization, to set *everything* up
  */
@@ -1305,11 +1346,6 @@ int __init init_module (void)
 
 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);