static void generic_id(ide_drive_t *drive)
{
- drive->id->cyls = drive->cyl;
- drive->id->heads = drive->head;
- drive->id->sectors = drive->sect;
- drive->id->cur_cyls = drive->cyl;
- drive->id->cur_heads = drive->head;
- drive->id->cur_sectors = drive->sect;
+ u16 *id = drive->id;
+
+ id[ATA_ID_CUR_CYLS] = id[ATA_ID_CYLS] = drive->cyl;
+ id[ATA_ID_CUR_HEADS] = id[ATA_ID_HEADS] = drive->head;
+ id[ATA_ID_CUR_SECTORS] = id[ATA_ID_SECTORS] = drive->sect;
}
static void ide_disk_init_chs(ide_drive_t *drive)
{
- struct hd_driveid *id = drive->id;
+ u16 *id = drive->id;
/* Extract geometry if we did not already have one for the drive */
if (!drive->cyl || !drive->head || !drive->sect) {
- drive->cyl = drive->bios_cyl = id->cyls;
- drive->head = drive->bios_head = id->heads;
- drive->sect = drive->bios_sect = id->sectors;
+ drive->cyl = drive->bios_cyl = id[ATA_ID_CYLS];
+ drive->head = drive->bios_head = id[ATA_ID_HEADS];
+ drive->sect = drive->bios_sect = id[ATA_ID_SECTORS];
}
/* Handle logical geometry translation by the drive */
- if ((id->field_valid & 1) && id->cur_cyls &&
- id->cur_heads && (id->cur_heads <= 16) && id->cur_sectors) {
- drive->cyl = id->cur_cyls;
- drive->head = id->cur_heads;
- drive->sect = id->cur_sectors;
+ if (ata_id_current_chs_valid(id)) {
+ drive->cyl = id[ATA_ID_CUR_CYLS];
+ drive->head = id[ATA_ID_CUR_HEADS];
+ drive->sect = id[ATA_ID_CUR_SECTORS];
}
/* Use physical geometry if what we have still makes no sense */
- if (drive->head > 16 && id->heads && id->heads <= 16) {
- drive->cyl = id->cyls;
- drive->head = id->heads;
- drive->sect = id->sectors;
+ if (drive->head > 16 && id[ATA_ID_HEADS] && id[ATA_ID_HEADS] <= 16) {
+ drive->cyl = id[ATA_ID_CYLS];
+ drive->head = id[ATA_ID_HEADS];
+ drive->sect = id[ATA_ID_SECTORS];
}
}
static void ide_disk_init_mult_count(ide_drive_t *drive)
{
- struct hd_driveid *id = drive->id;
-
- drive->mult_count = 0;
- if (id->max_multsect) {
-#ifdef CONFIG_IDEDISK_MULTI_MODE
- id->multsect = ((id->max_multsect/2) > 1) ? id->max_multsect : 0;
- id->multsect_valid = id->multsect ? 1 : 0;
- drive->mult_req = id->multsect_valid ? id->max_multsect : 0;
- drive->special.b.set_multmode = drive->mult_req ? 1 : 0;
-#else /* original, pre IDE-NFG, per request of AC */
- drive->mult_req = 0;
- if (drive->mult_req > id->max_multsect)
- drive->mult_req = id->max_multsect;
- if (drive->mult_req || ((id->multsect_valid & 1) && id->multsect))
+ u16 *id = drive->id;
+ u8 max_multsect = id[ATA_ID_MAX_MULTSECT] & 0xff;
+
+ if (max_multsect) {
+ if ((max_multsect / 2) > 1)
+ id[ATA_ID_MULTSECT] = max_multsect | 0x100;
+ else
+ id[ATA_ID_MULTSECT] &= ~0x1ff;
+
+ drive->mult_req = id[ATA_ID_MULTSECT] & 0xff;
+
+ if (drive->mult_req)
drive->special.b.set_multmode = 1;
-#endif
}
}
static inline void do_identify (ide_drive_t *drive, u8 cmd)
{
ide_hwif_t *hwif = HWIF(drive);
- int bswap = 1;
- struct hd_driveid *id;
+ u16 *id = drive->id;
+ char *m = (char *)&id[ATA_ID_PROD];
+ int bswap = 1, is_cfa;
- id = drive->id;
/* read 512 bytes of id info */
- hwif->ata_input_data(drive, id, SECTOR_WORDS);
+ hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE);
+
+ drive->dev_flags |= IDE_DFLAG_ID_READ;
- drive->id_read = 1;
local_irq_enable();
#ifdef DEBUG
printk(KERN_INFO "%s: dumping identify data\n", drive->name);
#endif
ide_fix_driveid(id);
-#if defined (CONFIG_SCSI_EATA_PIO) || defined (CONFIG_SCSI_EATA)
/*
- * EATA SCSI controllers do a hardware ATA emulation:
- * Ignore them if there is a driver for them available.
+ * ATA_CMD_ID_ATA returns little-endian info,
+ * ATA_CMD_ID_ATAPI *usually* returns little-endian info.
*/
- if ((id->model[0] == 'P' && id->model[1] == 'M') ||
- (id->model[0] == 'S' && id->model[1] == 'K')) {
- printk("%s: EATA SCSI HBA %.10s\n", drive->name, id->model);
- goto err_misc;
- }
-#endif /* CONFIG_SCSI_EATA || CONFIG_SCSI_EATA_PIO */
-
- /*
- * WIN_IDENTIFY returns little-endian info,
- * WIN_PIDENTIFY *usually* returns little-endian info.
- */
- if (cmd == WIN_PIDENTIFY) {
- if ((id->model[0] == 'N' && id->model[1] == 'E') /* NEC */
- || (id->model[0] == 'F' && id->model[1] == 'X') /* Mitsumi */
- || (id->model[0] == 'P' && id->model[1] == 'i'))/* Pioneer */
+ if (cmd == ATA_CMD_ID_ATAPI) {
+ if ((m[0] == 'N' && m[1] == 'E') || /* NEC */
+ (m[0] == 'F' && m[1] == 'X') || /* Mitsumi */
+ (m[0] == 'P' && m[1] == 'i')) /* Pioneer */
/* Vertos drives may still be weird */
- bswap ^= 1;
+ bswap ^= 1;
}
- ide_fixstring(id->model, sizeof(id->model), bswap);
- ide_fixstring(id->fw_rev, sizeof(id->fw_rev), bswap);
- ide_fixstring(id->serial_no, sizeof(id->serial_no), bswap);
+
+ ide_fixstring(m, ATA_ID_PROD_LEN, bswap);
+ ide_fixstring((char *)&id[ATA_ID_FW_REV], ATA_ID_FW_REV_LEN, bswap);
+ ide_fixstring((char *)&id[ATA_ID_SERNO], ATA_ID_SERNO_LEN, bswap);
/* we depend on this a lot! */
- id->model[sizeof(id->model)-1] = '\0';
+ m[ATA_ID_PROD_LEN - 1] = '\0';
- if (strstr(id->model, "E X A B Y T E N E S T"))
+ if (strstr(m, "E X A B Y T E N E S T"))
goto err_misc;
- printk("%s: %s, ", drive->name, id->model);
- drive->present = 1;
- drive->dead = 0;
+ printk(KERN_INFO "%s: %s, ", drive->name, m);
+
+ drive->dev_flags |= IDE_DFLAG_PRESENT;
+ drive->dev_flags &= ~IDE_DFLAG_DEAD;
/*
* Check for an ATAPI device
*/
- if (cmd == WIN_PIDENTIFY) {
- u8 type = (id->config >> 8) & 0x1f;
- printk("ATAPI ");
+ if (cmd == ATA_CMD_ID_ATAPI) {
+ u8 type = (id[ATA_ID_CONFIG] >> 8) & 0x1f;
+
+ printk(KERN_CONT "ATAPI ");
switch (type) {
case ide_floppy:
- if (!strstr(id->model, "CD-ROM")) {
- if (!strstr(id->model, "oppy") &&
- !strstr(id->model, "poyp") &&
- !strstr(id->model, "ZIP"))
- printk("cdrom or floppy?, assuming ");
+ if (!strstr(m, "CD-ROM")) {
+ if (!strstr(m, "oppy") &&
+ !strstr(m, "poyp") &&
+ !strstr(m, "ZIP"))
+ printk(KERN_CONT "cdrom or floppy?, assuming ");
if (drive->media != ide_cdrom) {
- printk ("FLOPPY");
- drive->removable = 1;
+ printk(KERN_CONT "FLOPPY");
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
break;
}
}
/* Early cdrom models used zero */
type = ide_cdrom;
case ide_cdrom:
- drive->removable = 1;
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
#ifdef CONFIG_PPC
/* kludge for Apple PowerBook internal zip */
- if (!strstr(id->model, "CD-ROM") &&
- strstr(id->model, "ZIP")) {
- printk ("FLOPPY");
+ if (!strstr(m, "CD-ROM") && strstr(m, "ZIP")) {
+ printk(KERN_CONT "FLOPPY");
type = ide_floppy;
break;
}
#endif
- printk ("CD/DVD-ROM");
+ printk(KERN_CONT "CD/DVD-ROM");
break;
case ide_tape:
- printk ("TAPE");
+ printk(KERN_CONT "TAPE");
break;
case ide_optical:
- printk ("OPTICAL");
- drive->removable = 1;
+ printk(KERN_CONT "OPTICAL");
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
break;
default:
- printk("UNKNOWN (type %d)", type);
+ printk(KERN_CONT "UNKNOWN (type %d)", type);
break;
}
- printk (" drive\n");
+ printk(KERN_CONT " drive\n");
drive->media = type;
/* an ATAPI device ignores DRDY */
drive->ready_stat = 0;
+ if (ata_id_cdb_intr(id))
+ drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT;
+ drive->dev_flags |= IDE_DFLAG_DOORLOCKING;
+ /* we don't do head unloading on ATAPI devices */
+ drive->dev_flags |= IDE_DFLAG_NO_UNLOAD;
return;
}
* Not an ATAPI device: looks like a "regular" hard disk
*/
- /*
- * 0x848a = CompactFlash device
- * These are *not* removable in Linux definition of the term
- */
+ is_cfa = ata_id_is_cfa(id);
- if ((id->config != 0x848a) && (id->config & (1<<7)))
- drive->removable = 1;
+ /* CF devices are *not* removable in Linux definition of the term */
+ if (is_cfa == 0 && (id[ATA_ID_CONFIG] & (1 << 7)))
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
drive->media = ide_disk;
- printk("%s DISK drive\n", (id->config == 0x848a) ? "CFA" : "ATA" );
+
+ if (!ata_id_has_unload(drive->id))
+ drive->dev_flags |= IDE_DFLAG_NO_UNLOAD;
+
+ printk(KERN_CONT "%s DISK drive\n", is_cfa ? "CFA" : "ATA");
return;
err_misc:
kfree(id);
- drive->present = 0;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
return;
}
static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
{
ide_hwif_t *hwif = HWIF(drive);
+ struct ide_io_ports *io_ports = &hwif->io_ports;
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
int use_altstatus = 0, rc;
unsigned long timeout;
u8 s = 0, a = 0;
/* take a deep breath */
msleep(50);
- if (hwif->io_ports[IDE_CONTROL_OFFSET]) {
- a = ide_read_altstatus(drive);
- s = ide_read_status(drive);
- if ((a ^ s) & ~INDEX_STAT)
+ if (io_ports->ctl_addr &&
+ (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0) {
+ a = tp_ops->read_altstatus(hwif);
+ s = tp_ops->read_status(hwif);
+ if ((a ^ s) & ~ATA_IDX)
/* ancient Seagate drives, broken interfaces */
printk(KERN_INFO "%s: probing with STATUS(0x%02x) "
"instead of ALTSTATUS(0x%02x)\n",
/* set features register for atapi
* identify command to be sure of reply
*/
- if ((cmd == WIN_PIDENTIFY))
- /* disable dma & overlap */
- hwif->OUTB(0, hwif->io_ports[IDE_FEATURE_OFFSET]);
+ if (cmd == ATA_CMD_ID_ATAPI) {
+ ide_task_t task;
+
+ memset(&task, 0, sizeof(task));
+ /* disable DMA & overlap */
+ task.tf_flags = IDE_TFLAG_OUT_FEATURE;
+
+ tp_ops->tf_load(drive, &task);
+ }
/* ask drive for ID */
- hwif->OUTB(cmd, hwif->io_ports[IDE_COMMAND_OFFSET]);
+ tp_ops->exec_command(hwif, cmd);
- timeout = ((cmd == WIN_IDENTIFY) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
- timeout += jiffies;
- do {
- if (time_after(jiffies, timeout)) {
- /* drive timed-out */
- return 1;
- }
- /* give drive a breather */
- msleep(50);
- s = use_altstatus ? ide_read_altstatus(drive)
- : ide_read_status(drive);
- } while (s & BUSY_STAT);
+ timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
+
+ if (ide_busy_sleep(hwif, timeout, use_altstatus))
+ return 1;
- /* wait for IRQ and DRQ_STAT */
+ /* wait for IRQ and ATA_DRQ */
msleep(50);
- s = ide_read_status(drive);
+ s = tp_ops->read_status(hwif);
- if (OK_STAT(s, DRQ_STAT, BAD_R_STAT)) {
+ if (OK_STAT(s, ATA_DRQ, BAD_R_STAT)) {
unsigned long flags;
/* local CPU only; some systems need this */
/* drive responded with ID */
rc = 0;
/* clear drive IRQ */
- (void)ide_read_status(drive);
+ (void)tp_ops->read_status(hwif);
local_irq_restore(flags);
} else {
/* drive refused ID */
static int try_to_identify (ide_drive_t *drive, u8 cmd)
{
ide_hwif_t *hwif = HWIF(drive);
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
int retval;
int autoprobe = 0;
unsigned long cookie = 0;
* interrupts during the identify-phase that
* the irq handler isn't expecting.
*/
- if (hwif->io_ports[IDE_CONTROL_OFFSET]) {
+ if (hwif->io_ports.ctl_addr) {
if (!hwif->irq) {
autoprobe = 1;
cookie = probe_irq_on();
}
- ide_set_irq(drive, autoprobe);
+ tp_ops->set_irq(hwif, autoprobe);
}
retval = actual_try_to_identify(drive, cmd);
if (autoprobe) {
int irq;
- ide_set_irq(drive, 0);
+ tp_ops->set_irq(hwif, 0);
/* clear drive IRQ */
- (void)ide_read_status(drive);
+ (void)tp_ops->read_status(hwif);
udelay(5);
irq = probe_irq_off(cookie);
if (!hwif->irq) {
/* Mmmm.. multiple IRQs..
* don't know which was ours
*/
- printk("%s: IRQ probe failed (0x%lx)\n",
+ printk(KERN_ERR "%s: IRQ probe failed (0x%lx)\n",
drive->name, cookie);
}
}
return retval;
}
-static int ide_busy_sleep(ide_hwif_t *hwif)
+int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
{
- unsigned long timeout = jiffies + WAIT_WORSTCASE;
u8 stat;
+ timeout += jiffies;
+
do {
- msleep(50);
- stat = hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
- if ((stat & BUSY_STAT) == 0)
+ msleep(50); /* give drive a breather */
+ stat = altstatus ? hwif->tp_ops->read_altstatus(hwif)
+ : hwif->tp_ops->read_status(hwif);
+ if ((stat & ATA_BUSY) == 0)
return 0;
} while (time_before(jiffies, timeout));
- return 1;
+ return 1; /* drive timed-out */
+}
+
+static u8 ide_read_device(ide_drive_t *drive)
+{
+ ide_task_t task;
+
+ memset(&task, 0, sizeof(task));
+ task.tf_flags = IDE_TFLAG_IN_DEVICE;
+
+ drive->hwif->tp_ops->tf_read(drive, &task);
+
+ return task.tf.device;
}
/**
static int do_probe (ide_drive_t *drive, u8 cmd)
{
ide_hwif_t *hwif = HWIF(drive);
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
int rc;
- u8 stat;
+ u8 present = !!(drive->dev_flags & IDE_DFLAG_PRESENT), stat;
+
+ /* avoid waiting for inappropriate probes */
+ if (present && drive->media != ide_disk && cmd == ATA_CMD_ID_ATA)
+ return 4;
- if (drive->present) {
- /* avoid waiting for inappropriate probes */
- if ((drive->media != ide_disk) && (cmd == WIN_IDENTIFY))
- return 4;
- }
#ifdef DEBUG
- printk("probing for %s: present=%d, media=%d, probetype=%s\n",
- drive->name, drive->present, drive->media,
- (cmd == WIN_IDENTIFY) ? "ATA" : "ATAPI");
+ printk(KERN_INFO "probing for %s: present=%d, media=%d, probetype=%s\n",
+ drive->name, present, drive->media,
+ (cmd == ATA_CMD_ID_ATA) ? "ATA" : "ATAPI");
#endif
/* needed for some systems
msleep(50);
SELECT_DRIVE(drive);
msleep(50);
- if (hwif->INB(hwif->io_ports[IDE_SELECT_OFFSET]) != drive->select.all &&
- !drive->present) {
- if (drive->select.b.unit != 0) {
+
+ if (ide_read_device(drive) != drive->select && present == 0) {
+ if (drive->dn & 1) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
- /* allow BUSY_STAT to assert & clear */
+ /* allow ATA_BUSY to assert & clear */
msleep(50);
}
/* no i/f present: mmm.. this should be a 4 -ml */
return 3;
}
- stat = ide_read_status(drive);
+ stat = tp_ops->read_status(hwif);
- if (OK_STAT(stat, READY_STAT, BUSY_STAT) ||
- drive->present || cmd == WIN_PIDENTIFY) {
+ if (OK_STAT(stat, ATA_DRDY, ATA_BUSY) ||
+ present || cmd == ATA_CMD_ID_ATAPI) {
/* send cmd and wait */
if ((rc = try_to_identify(drive, cmd))) {
/* failed: try again */
rc = try_to_identify(drive,cmd);
}
- stat = ide_read_status(drive);
+ stat = tp_ops->read_status(hwif);
- if (stat == (BUSY_STAT | READY_STAT))
+ if (stat == (ATA_BUSY | ATA_DRDY))
return 4;
- if ((rc == 1 && cmd == WIN_PIDENTIFY) &&
- ((drive->autotune == IDE_TUNE_DEFAULT) ||
- (drive->autotune == IDE_TUNE_AUTO))) {
+ if (rc == 1 && cmd == ATA_CMD_ID_ATAPI) {
printk(KERN_ERR "%s: no response (status = 0x%02x), "
"resetting drive\n", drive->name, stat);
msleep(50);
- hwif->OUTB(drive->select.all,
- hwif->io_ports[IDE_SELECT_OFFSET]);
+ SELECT_DRIVE(drive);
msleep(50);
- hwif->OUTB(WIN_SRST,
- hwif->io_ports[IDE_COMMAND_OFFSET]);
- (void)ide_busy_sleep(hwif);
+ tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
+ (void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0);
rc = try_to_identify(drive, cmd);
}
/* ensure drive IRQ is clear */
- stat = ide_read_status(drive);
+ stat = tp_ops->read_status(hwif);
if (rc == 1)
printk(KERN_ERR "%s: no response (status = 0x%02x)\n",
/* not present or maybe ATAPI */
rc = 3;
}
- if (drive->select.b.unit != 0) {
+ if (drive->dn & 1) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
msleep(50);
/* ensure drive irq is clear */
- (void)ide_read_status(drive);
+ (void)tp_ops->read_status(hwif);
}
return rc;
}
static void enable_nest (ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
u8 stat;
- printk("%s: enabling %s -- ", hwif->name, drive->id->model);
+ printk(KERN_INFO "%s: enabling %s -- ",
+ hwif->name, (char *)&drive->id[ATA_ID_PROD]);
+
SELECT_DRIVE(drive);
msleep(50);
- hwif->OUTB(EXABYTE_ENABLE_NEST, hwif->io_ports[IDE_COMMAND_OFFSET]);
+ tp_ops->exec_command(hwif, ATA_EXABYTE_ENABLE_NEST);
- if (ide_busy_sleep(hwif)) {
+ if (ide_busy_sleep(hwif, WAIT_WORSTCASE, 0)) {
printk(KERN_CONT "failed (timeout)\n");
return;
}
msleep(50);
- stat = ide_read_status(drive);
+ stat = tp_ops->read_status(hwif);
if (!OK_STAT(stat, 0, BAD_STAT))
printk(KERN_CONT "failed (status = 0x%02x)\n", stat);
else
printk(KERN_CONT "success\n");
-
- /* if !(success||timed-out) */
- if (do_probe(drive, WIN_IDENTIFY) >= 2) {
- /* look for ATAPI device */
- (void) do_probe(drive, WIN_PIDENTIFY);
- }
}
/**
* and presents things to the user as needed.
*
* Returns: 0 no device was found
- * 1 device was found (note: drive->present might
- * still be 0)
+ * 1 device was found
+ * (note: IDE_DFLAG_PRESENT might still be not set)
*/
static inline u8 probe_for_drive (ide_drive_t *drive)
{
+ char *m;
+
/*
* In order to keep things simple we have an id
* block for all drives at all times. If the device
* Also note that 0 everywhere means "can't do X"
*/
- drive->id = kzalloc(SECTOR_WORDS *4, GFP_KERNEL);
- drive->id_read = 0;
- if(drive->id == NULL)
- {
+ drive->dev_flags &= ~IDE_DFLAG_ID_READ;
+
+ drive->id = kzalloc(SECTOR_SIZE, GFP_KERNEL);
+ if (drive->id == NULL) {
printk(KERN_ERR "ide: out of memory for id data.\n");
return 0;
}
- strcpy(drive->id->model, "UNKNOWN");
-
+
+ m = (char *)&drive->id[ATA_ID_PROD];
+ strcpy(m, "UNKNOWN");
+
/* skip probing? */
- if (!drive->noprobe)
- {
+ if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0) {
+retry:
/* if !(success||timed-out) */
- if (do_probe(drive, WIN_IDENTIFY) >= 2) {
+ if (do_probe(drive, ATA_CMD_ID_ATA) >= 2)
/* look for ATAPI device */
- (void) do_probe(drive, WIN_PIDENTIFY);
- }
- if (!drive->present)
+ (void)do_probe(drive, ATA_CMD_ID_ATAPI);
+
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
/* drive not found */
return 0;
- if (strstr(drive->id->model, "E X A B Y T E N E S T"))
+
+ if (strstr(m, "E X A B Y T E N E S T")) {
enable_nest(drive);
-
+ goto retry;
+ }
+
/* identification failed? */
- if (!drive->id_read) {
+ if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
if (drive->media == ide_disk) {
printk(KERN_INFO "%s: non-IDE drive, CHS=%d/%d/%d\n",
drive->name, drive->cyl,
} else {
/* nuke it */
printk(KERN_WARNING "%s: Unknown device on bus refused identification. Ignoring.\n", drive->name);
- drive->present = 0;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
}
}
/* drive was found */
}
- if(!drive->present)
+
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
return 0;
+
/* The drive wasn't being helpful. Add generic info only */
- if (drive->id_read == 0) {
+ if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
generic_id(drive);
return 1;
}
ide_disk_init_mult_count(drive);
}
- return drive->present;
+ return !!(drive->dev_flags & IDE_DFLAG_PRESENT);
}
-static void hwif_release_dev (struct device *dev)
+static void hwif_release_dev(struct device *dev)
{
ide_hwif_t *hwif = container_of(dev, ide_hwif_t, gendev);
ret = device_register(&hwif->gendev);
if (ret < 0) {
printk(KERN_WARNING "IDE: %s: device_register error: %d\n",
- __FUNCTION__, ret);
+ __func__, ret);
goto out;
}
- get_device(&hwif->gendev);
-
hwif->portdev = device_create(ide_port_class, &hwif->gendev,
- MKDEV(0, 0), hwif->name);
+ MKDEV(0, 0), hwif, hwif->name);
if (IS_ERR(hwif->portdev)) {
ret = PTR_ERR(hwif->portdev);
device_unregister(&hwif->gendev);
}
- dev_set_drvdata(hwif->portdev, hwif);
out:
return ret;
}
ide_drive_t *drive = &hwif->drives[unit];
/* Ignore disks that we will not probe for later. */
- if (!drive->noprobe || drive->present) {
+ if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0 ||
+ (drive->dev_flags & IDE_DFLAG_PRESENT)) {
SELECT_DRIVE(drive);
- ide_set_irq(drive, 1);
+ hwif->tp_ops->set_irq(hwif, 1);
mdelay(2);
rc = ide_wait_not_busy(hwif, 35000);
if (rc)
/**
* ide_undecoded_slave - look for bad CF adapters
- * @drive1: drive
+ * @dev1: slave device
*
* Analyse the drives on the interface and attempt to decide if we
* have the same drive viewed twice. This occurs with crap CF adapters
* and PCMCIA sometimes.
*/
-void ide_undecoded_slave(ide_drive_t *drive1)
+void ide_undecoded_slave(ide_drive_t *dev1)
{
- ide_drive_t *drive0 = &drive1->hwif->drives[0];
+ ide_drive_t *dev0 = &dev1->hwif->drives[0];
- if ((drive1->dn & 1) == 0 || drive0->present == 0)
+ if ((dev1->dn & 1) == 0 || (dev0->dev_flags & IDE_DFLAG_PRESENT) == 0)
return;
/* If the models don't match they are not the same product */
- if (strcmp(drive0->id->model, drive1->id->model))
+ if (strcmp((char *)&dev0->id[ATA_ID_PROD],
+ (char *)&dev1->id[ATA_ID_PROD]))
return;
/* Serial numbers do not match */
- if (strncmp(drive0->id->serial_no, drive1->id->serial_no, 20))
+ if (strncmp((char *)&dev0->id[ATA_ID_SERNO],
+ (char *)&dev1->id[ATA_ID_SERNO], ATA_ID_SERNO_LEN))
return;
/* No serial number, thankfully very rare for CF */
- if (drive0->id->serial_no[0] == 0)
+ if (*(char *)&dev0->id[ATA_ID_SERNO] == 0)
return;
/* Appears to be an IDE flash adapter with decode bugs */
printk(KERN_WARNING "ide-probe: ignoring undecoded slave\n");
- drive1->present = 0;
+ dev1->dev_flags &= ~IDE_DFLAG_PRESENT;
}
EXPORT_SYMBOL_GPL(ide_undecoded_slave);
BUG_ON(hwif->present);
- if (hwif->drives[0].noprobe && hwif->drives[1].noprobe)
+ if ((hwif->drives[0].dev_flags & IDE_DFLAG_NOPROBE) &&
+ (hwif->drives[1].dev_flags & IDE_DFLAG_NOPROBE))
return -EACCES;
/*
*/
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
- drive->dn = (hwif->channel ? 2 : 0) + unit;
+
(void) probe_for_drive(drive);
- if (drive->present)
+ if (drive->dev_flags & IDE_DFLAG_PRESENT)
rc = 0;
}
- if (hwif->io_ports[IDE_CONTROL_OFFSET] && hwif->reset) {
- printk(KERN_WARNING "%s: reset\n", hwif->name);
- hwif->OUTB(12, hwif->io_ports[IDE_CONTROL_OFFSET]);
- udelay(10);
- hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
- (void)ide_busy_sleep(hwif);
- }
+
local_irq_restore(flags);
+
/*
* Use cached IRQ number. It might be (and is...) changed by probe
* code above
for (unit = 0; unit < MAX_DRIVES; unit++) {
ide_drive_t *drive = &hwif->drives[unit];
- if (drive->present && port_ops && port_ops->quirkproc)
- port_ops->quirkproc(drive);
+ if (drive->dev_flags & IDE_DFLAG_PRESENT) {
+ if (port_ops && port_ops->quirkproc)
+ port_ops->quirkproc(drive);
+ }
}
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
- if (drive->present) {
- if (drive->autotune == IDE_TUNE_AUTO)
- ide_set_max_pio(drive);
+ if (drive->dev_flags & IDE_DFLAG_PRESENT) {
+ ide_set_max_pio(drive);
- if (drive->autotune != IDE_TUNE_DEFAULT &&
- drive->autotune != IDE_TUNE_AUTO)
- continue;
-
- drive->nice1 = 1;
+ drive->dev_flags |= IDE_DFLAG_NICE1;
- if (hwif->dma_host_set)
+ if (hwif->dma_ops)
ide_set_dma(drive);
}
}
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
- if (hwif->host_flags & IDE_HFLAG_NO_IO_32BIT)
- drive->no_io_32bit = 1;
+ if ((hwif->host_flags & IDE_HFLAG_NO_IO_32BIT) ||
+ drive->id[ATA_ID_DWORD_IO])
+ drive->dev_flags |= IDE_DFLAG_NO_IO_32BIT;
else
- drive->no_io_32bit = drive->id->dword_io ? 1 : 0;
+ drive->dev_flags &= ~IDE_DFLAG_NO_IO_32BIT;
}
}
-#if MAX_HWIFS > 1
/*
* save_match() is used to simplify logic in init_irq() below.
*
if (m && m->hwgroup && m->hwgroup != new->hwgroup) {
if (!new->hwgroup)
return;
- printk("%s: potential irq problem with %s and %s\n",
+ printk(KERN_WARNING "%s: potential IRQ problem with %s and %s\n",
hwif->name, new->name, m->name);
}
if (!m || m->irq != hwif->irq) /* don't undo a prior perfect match */
*match = new;
}
-#endif /* MAX_HWIFS > 1 */
/*
* init request queue
* - allocate the block device queue
* - link drive into the hwgroup
*/
-static void ide_port_setup_devices(ide_hwif_t *hwif)
+static int ide_port_setup_devices(ide_hwif_t *hwif)
{
- int i;
+ int i, j = 0;
mutex_lock(&ide_cfg_mtx);
for (i = 0; i < MAX_DRIVES; i++) {
ide_drive_t *drive = &hwif->drives[i];
- if (!drive->present)
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
if (ide_init_queue(drive)) {
printk(KERN_ERR "ide: failed to init %s\n",
drive->name);
+ kfree(drive->id);
+ drive->id = NULL;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
continue;
}
+ j++;
+
ide_add_drive_to_hwgroup(drive);
}
mutex_unlock(&ide_cfg_mtx);
+
+ return j;
+}
+
+static ide_hwif_t *ide_ports[MAX_HWIFS];
+
+void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
+{
+ ide_hwgroup_t *hwgroup = hwif->hwgroup;
+
+ ide_ports[hwif->index] = NULL;
+
+ spin_lock_irq(&ide_lock);
+ /*
+ * Remove us from the hwgroup, and free
+ * the hwgroup if we were the only member
+ */
+ if (hwif->next == hwif) {
+ BUG_ON(hwgroup->hwif != hwif);
+ kfree(hwgroup);
+ } else {
+ /* There is another interface in hwgroup.
+ * Unlink us, and set hwgroup->drive and ->hwif to
+ * something sane.
+ */
+ ide_hwif_t *g = hwgroup->hwif;
+
+ while (g->next != hwif)
+ g = g->next;
+ g->next = hwif->next;
+ if (hwgroup->hwif == hwif) {
+ /* Chose a random hwif for hwgroup->hwif.
+ * It's guaranteed that there are no drives
+ * left in the hwgroup.
+ */
+ BUG_ON(hwgroup->drive != NULL);
+ hwgroup->hwif = g;
+ }
+ BUG_ON(hwgroup->hwif == hwif);
+ }
+ spin_unlock_irq(&ide_lock);
}
/*
*/
static int init_irq (ide_hwif_t *hwif)
{
+ struct ide_io_ports *io_ports = &hwif->io_ports;
unsigned int index;
ide_hwgroup_t *hwgroup;
ide_hwif_t *match = NULL;
-
- BUG_ON(in_interrupt());
- BUG_ON(irqs_disabled());
- BUG_ON(hwif == NULL);
-
mutex_lock(&ide_cfg_mtx);
hwif->hwgroup = NULL;
-#if MAX_HWIFS > 1
+
/*
* Group up with any other hwifs that share our irq(s).
*/
for (index = 0; index < MAX_HWIFS; index++) {
- ide_hwif_t *h = &ide_hwifs[index];
- if (h->hwgroup) { /* scan only initialized hwif's */
+ ide_hwif_t *h = ide_ports[index];
+
+ if (h && h->hwgroup) { /* scan only initialized ports */
if (hwif->irq == h->irq) {
hwif->sharing_irq = h->sharing_irq = 1;
if (hwif->chipset != ide_pci ||
}
}
}
-#endif /* MAX_HWIFS > 1 */
+
/*
* If we are still without a hwgroup, then form a new one
*/
hwgroup->timer.data = (unsigned long) hwgroup;
}
+ ide_ports[hwif->index] = hwif;
+
/*
* Allocate the irq, if not already obtained for another hwif
*/
sa = IRQF_SHARED;
#endif /* __mc68000__ */
- if (IDE_CHIPSET_IS_PCI(hwif->chipset))
+ if (hwif->chipset == ide_pci || hwif->chipset == ide_cmd646 ||
+ hwif->chipset == ide_ali14xx)
sa = IRQF_SHARED;
- if (hwif->io_ports[IDE_CONTROL_OFFSET])
- /* clear nIEN */
- hwif->OUTB(0x08, hwif->io_ports[IDE_CONTROL_OFFSET]);
+ if (io_ports->ctl_addr)
+ hwif->tp_ops->set_irq(hwif, 1);
if (request_irq(hwif->irq,&ide_intr,sa,hwif->name,hwgroup))
goto out_unlink;
}
#if !defined(__mc68000__)
- printk("%s at 0x%03lx-0x%03lx,0x%03lx on irq %d", hwif->name,
- hwif->io_ports[IDE_DATA_OFFSET],
- hwif->io_ports[IDE_DATA_OFFSET]+7,
- hwif->io_ports[IDE_CONTROL_OFFSET], hwif->irq);
+ printk(KERN_INFO "%s at 0x%03lx-0x%03lx,0x%03lx on irq %d", hwif->name,
+ io_ports->data_addr, io_ports->status_addr,
+ io_ports->ctl_addr, hwif->irq);
#else
- printk("%s at 0x%08lx on irq %d", hwif->name,
- hwif->io_ports[IDE_DATA_OFFSET], hwif->irq);
+ printk(KERN_INFO "%s at 0x%08lx on irq %d", hwif->name,
+ io_ports->data_addr, hwif->irq);
#endif /* __mc68000__ */
if (match)
- printk(" (%sed with %s)",
+ printk(KERN_CONT " (%sed with %s)",
hwif->sharing_irq ? "shar" : "serializ", match->name);
- printk("\n");
+ printk(KERN_CONT "\n");
mutex_unlock(&ide_cfg_mtx);
return 0;
ide_hwif_t *hwif = data;
int unit = *part >> PARTN_BITS;
ide_drive_t *drive = &hwif->drives[unit];
- if (!drive->present)
+
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
return NULL;
if (drive->media == ide_disk)
request_module("ide-disk");
- if (drive->scsi)
+ if (drive->dev_flags & IDE_DFLAG_SCSI)
request_module("ide-scsi");
if (drive->media == ide_cdrom || drive->media == ide_optical)
request_module("ide-cd");
{
struct gendisk *p = data;
*part &= (1 << PARTN_BITS) - 1;
- return &p->dev.kobj;
+ return &disk_to_dev(p)->kobj;
}
static int exact_lock(dev_t dev, void *data)
void ide_init_disk(struct gendisk *disk, ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- unsigned int unit = (drive->select.all >> 4) & 1;
+ unsigned int unit = drive->dn & 1;
disk->major = hwif->major;
disk->first_minor = unit << PARTN_BITS;
ide_remove_drive_from_hwgroup(drive);
kfree(drive->id);
drive->id = NULL;
- drive->present = 0;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
/* Messed up locking ... */
spin_unlock_irq(&ide_lock);
blk_cleanup_queue(drive->queue);
complete(&drive->gendev_rel_comp);
}
-#ifndef ide_default_irq
-#define ide_default_irq(irq) 0
-#endif
-
static int hwif_init(ide_hwif_t *hwif)
{
int old_irq;
if (!hwif->irq) {
- if (!(hwif->irq = ide_default_irq(hwif->io_ports[IDE_DATA_OFFSET])))
- {
- printk("%s: DISABLED, NO IRQ\n", hwif->name);
+ hwif->irq = __ide_default_irq(hwif->io_ports.data_addr);
+ if (!hwif->irq) {
+ printk(KERN_ERR "%s: disabled, no IRQ\n", hwif->name);
return 0;
}
}
* It failed to initialise. Find the default IRQ for
* this port and try that.
*/
- if (!(hwif->irq = ide_default_irq(hwif->io_ports[IDE_DATA_OFFSET]))) {
- printk("%s: Disabled unable to get IRQ %d.\n",
+ hwif->irq = __ide_default_irq(hwif->io_ports.data_addr);
+ if (!hwif->irq) {
+ printk(KERN_ERR "%s: disabled, unable to get IRQ %d\n",
hwif->name, old_irq);
goto out;
}
if (init_irq(hwif)) {
- printk("%s: probed IRQ %d and default IRQ %d failed.\n",
+ printk(KERN_ERR "%s: probed IRQ %d and default IRQ %d failed\n",
hwif->name, old_irq, hwif->irq);
goto out;
}
- printk("%s: probed IRQ %d failed, using default.\n",
+ printk(KERN_WARNING "%s: probed IRQ %d failed, using default\n",
hwif->name, hwif->irq);
done:
struct device *dev = &drive->gendev;
int ret;
- if (!drive->present)
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
- ide_add_generic_settings(drive);
-
snprintf(dev->bus_id, BUS_ID_SIZE, "%u.%u", hwif->index, i);
dev->parent = &hwif->gendev;
dev->bus = &ide_bus_type;
for (i = 0; i < MAX_DRIVES; i++) {
ide_drive_t *drive = &hwif->drives[i];
+ drive->dn = i + hwif->channel * 2;
+
if (hwif->host_flags & IDE_HFLAG_IO_32BIT)
drive->io_32bit = 1;
if (hwif->host_flags & IDE_HFLAG_UNMASK_IRQS)
- drive->unmask = 1;
+ drive->dev_flags |= IDE_DFLAG_UNMASK;
if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS)
- drive->no_unmask = 1;
- if ((hwif->host_flags & IDE_HFLAG_NO_AUTOTUNE) == 0)
- drive->autotune = 1;
- }
+ drive->dev_flags |= IDE_DFLAG_NO_UNMASK;
- if (port_ops && port_ops->port_init_devs)
- port_ops->port_init_devs(hwif);
+ if (port_ops && port_ops->init_dev)
+ port_ops->init_dev(drive);
+ }
}
static void ide_init_port(ide_hwif_t *hwif, unsigned int port,
const struct ide_port_info *d)
{
- if (d->chipset != ide_etrax100)
- hwif->channel = port;
+ hwif->channel = port;
if (d->chipset)
hwif->chipset = d->chipset;
if (d->init_iops)
d->init_iops(hwif);
- if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0)
- ide_hwif_setup_dma(hwif, d);
-
if ((!hwif->irq && (d->host_flags & IDE_HFLAG_LEGACY_IRQS)) ||
(d->host_flags & IDE_HFLAG_FORCE_LEGACY_IRQS))
hwif->irq = port ? 15 : 14;
- hwif->host_flags = d->host_flags;
+ /* ->host_flags may be set by ->init_iops (or even earlier...) */
+ hwif->host_flags |= d->host_flags;
hwif->pio_mask = d->pio_mask;
+ if (d->tp_ops)
+ hwif->tp_ops = d->tp_ops;
+
/* ->set_pio_mode for DTC2278 is currently limited to port 0 */
if (hwif->chipset != ide_dtc2278 || hwif->channel == 0)
hwif->port_ops = d->port_ops;
- if ((d->host_flags & IDE_HFLAG_SERIALIZE) && hwif->mate)
- hwif->mate->serialized = hwif->serialized = 1;
-
hwif->swdma_mask = d->swdma_mask;
hwif->mwdma_mask = d->mwdma_mask;
hwif->ultra_mask = d->udma_mask;
- /* reset DMA masks only for SFF-style DMA controllers */
- if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0 && hwif->dma_base == 0)
- hwif->swdma_mask = hwif->mwdma_mask = hwif->ultra_mask = 0;
+ if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0) {
+ int rc;
+
+ if (d->init_dma)
+ rc = d->init_dma(hwif, d);
+ else
+ rc = ide_hwif_setup_dma(hwif, d);
+
+ if (rc < 0) {
+ printk(KERN_INFO "%s: DMA disabled\n", hwif->name);
+ hwif->dma_base = 0;
+ hwif->swdma_mask = 0;
+ hwif->mwdma_mask = 0;
+ hwif->ultra_mask = 0;
+ } else if (d->dma_ops)
+ hwif->dma_ops = d->dma_ops;
+ }
+
+ if ((d->host_flags & IDE_HFLAG_SERIALIZE) ||
+ ((d->host_flags & IDE_HFLAG_SERIALIZE_DMA) && hwif->dma_base)) {
+ if (hwif->mate)
+ hwif->mate->serialized = hwif->serialized = 1;
+ }
if (d->host_flags & IDE_HFLAG_RQSIZE_256)
hwif->rqsize = 256;
static int ide_sysfs_register_port(ide_hwif_t *hwif)
{
- int i, rc;
+ int i, uninitialized_var(rc);
for (i = 0; ide_port_attrs[i]; i++) {
rc = device_create_file(hwif->portdev, ide_port_attrs[i]);
return rc;
}
+static unsigned int ide_indexes;
+
/**
- * ide_find_port_slot - find free ide_hwifs[] slot
+ * ide_find_port_slot - find free port slot
* @d: IDE port info
*
- * Return the new hwif. If we are out of free slots return NULL.
+ * Return the new port slot index or -ENOENT if we are out of free slots.
*/
-ide_hwif_t *ide_find_port_slot(const struct ide_port_info *d)
+static int ide_find_port_slot(const struct ide_port_info *d)
{
- ide_hwif_t *hwif;
- int i;
+ int idx = -ENOENT;
u8 bootable = (d && (d->host_flags & IDE_HFLAG_NON_BOOTABLE)) ? 0 : 1;
+ u8 i = (d && (d->host_flags & IDE_HFLAG_QD_2ND_PORT)) ? 1 : 0;;
/*
* Claim an unassigned slot.
* Unless there is a bootable card that does not use the standard
* ports 0x1f0/0x170 (the ide0/ide1 defaults).
*/
+ mutex_lock(&ide_cfg_mtx);
if (bootable) {
- i = (d && (d->host_flags & IDE_HFLAG_QD_2ND_PORT)) ? 1 : 0;
-
- for (; i < MAX_HWIFS; i++) {
- hwif = &ide_hwifs[i];
- if (hwif->chipset == ide_unknown)
- return hwif;
- }
+ if ((ide_indexes | i) != (1 << MAX_HWIFS) - 1)
+ idx = ffz(ide_indexes | i);
} else {
- for (i = 2; i < MAX_HWIFS; i++) {
- hwif = &ide_hwifs[i];
- if (hwif->chipset == ide_unknown)
- return hwif;
- }
- for (i = 0; i < 2 && i < MAX_HWIFS; i++) {
- hwif = &ide_hwifs[i];
- if (hwif->chipset == ide_unknown)
- return hwif;
+ if ((ide_indexes | 3) != (1 << MAX_HWIFS) - 1)
+ idx = ffz(ide_indexes | 3);
+ else if ((ide_indexes & 3) != 3)
+ idx = ffz(ide_indexes);
+ }
+ if (idx >= 0)
+ ide_indexes |= (1 << idx);
+ mutex_unlock(&ide_cfg_mtx);
+
+ return idx;
+}
+
+static void ide_free_port_slot(int idx)
+{
+ mutex_lock(&ide_cfg_mtx);
+ ide_indexes &= ~(1 << idx);
+ mutex_unlock(&ide_cfg_mtx);
+}
+
+struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
+{
+ struct ide_host *host;
+ int i;
+
+ host = kzalloc(sizeof(*host), GFP_KERNEL);
+ if (host == NULL)
+ return NULL;
+
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ ide_hwif_t *hwif;
+ int idx;
+
+ if (hws[i] == NULL)
+ continue;
+
+ hwif = kzalloc(sizeof(*hwif), GFP_KERNEL);
+ if (hwif == NULL)
+ continue;
+
+ idx = ide_find_port_slot(d);
+ if (idx < 0) {
+ printk(KERN_ERR "%s: no free slot for interface\n",
+ d ? d->name : "ide");
+ kfree(hwif);
+ continue;
}
+
+ ide_init_port_data(hwif, idx);
+
+ hwif->host = host;
+
+ host->ports[i] = hwif;
+ host->n_ports++;
}
- return NULL;
+ if (host->n_ports == 0) {
+ kfree(host);
+ return NULL;
+ }
+
+ if (hws[0])
+ host->dev[0] = hws[0]->dev;
+
+ if (d) {
+ host->init_chipset = d->init_chipset;
+ host->host_flags = d->host_flags;
+ }
+
+ return host;
}
-EXPORT_SYMBOL_GPL(ide_find_port_slot);
+EXPORT_SYMBOL_GPL(ide_host_alloc);
-int ide_device_add_all(u8 *idx, const struct ide_port_info *d)
+int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
+ hw_regs_t **hws)
{
ide_hwif_t *hwif, *mate = NULL;
- int i, rc = 0;
+ int i, j = 0;
- for (i = 0; i < MAX_HWIFS; i++) {
- if (d == NULL || idx[i] == 0xff) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ hwif = host->ports[i];
+
+ if (hwif == NULL) {
mate = NULL;
continue;
}
- hwif = &ide_hwifs[idx[i]];
+ ide_init_port_hw(hwif, hws[i]);
+ ide_port_apply_params(hwif);
- if (d->chipset != ide_etrax100 && (i & 1) && mate) {
- hwif->mate = mate;
- mate->mate = hwif;
- }
+ if (d == NULL) {
+ mate = NULL;
+ } else {
+ if ((i & 1) && mate) {
+ hwif->mate = mate;
+ mate->mate = hwif;
+ }
+
+ mate = (i & 1) ? NULL : hwif;
- mate = (i & 1) ? NULL : hwif;
+ ide_init_port(hwif, i & 1, d);
+ ide_port_cable_detect(hwif);
+ }
- ide_init_port(hwif, i & 1, d);
- ide_port_cable_detect(hwif);
ide_port_init_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
- if (idx[i] == 0xff)
- continue;
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ hwif = host->ports[i];
- hwif = &ide_hwifs[idx[i]];
-
- if (ide_hwif_request_regions(hwif)) {
- printk(KERN_ERR "%s: ports already in use, "
- "skipping probe\n", hwif->name);
+ if (hwif == NULL)
continue;
- }
if (ide_probe_port(hwif) == 0)
hwif->present = 1;
ide_port_tune_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
- if (idx[i] == 0xff)
- continue;
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ hwif = host->ports[i];
- hwif = &ide_hwifs[idx[i]];
+ if (hwif == NULL)
+ continue;
if (hwif_init(hwif) == 0) {
printk(KERN_INFO "%s: failed to initialize IDE "
"interface\n", hwif->name);
hwif->present = 0;
- rc = -1;
continue;
}
if (hwif->present)
- ide_port_setup_devices(hwif);
+ if (ide_port_setup_devices(hwif) == 0) {
+ hwif->present = 0;
+ continue;
+ }
+
+ j++;
ide_acpi_init(hwif);
ide_acpi_port_init_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
- if (idx[i] == 0xff)
- continue;
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ hwif = host->ports[i];
- hwif = &ide_hwifs[idx[i]];
+ if (hwif == NULL)
+ continue;
if (hwif->chipset == ide_unknown)
hwif->chipset = ide_generic;
hwif_register_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
- if (idx[i] == 0xff)
- continue;
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ hwif = host->ports[i];
- hwif = &ide_hwifs[idx[i]];
+ if (hwif == NULL)
+ continue;
ide_sysfs_register_port(hwif);
ide_proc_register_port(hwif);
ide_proc_port_register_devices(hwif);
}
- return rc;
+ return j ? 0 : -1;
}
-EXPORT_SYMBOL_GPL(ide_device_add_all);
+EXPORT_SYMBOL_GPL(ide_host_register);
-int ide_device_add(u8 idx[4], const struct ide_port_info *d)
+int ide_host_add(const struct ide_port_info *d, hw_regs_t **hws,
+ struct ide_host **hostp)
+{
+ struct ide_host *host;
+ int rc;
+
+ host = ide_host_alloc(d, hws);
+ if (host == NULL)
+ return -ENOMEM;
+
+ rc = ide_host_register(host, d, hws);
+ if (rc) {
+ ide_host_free(host);
+ return rc;
+ }
+
+ if (hostp)
+ *hostp = host;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ide_host_add);
+
+void ide_host_free(struct ide_host *host)
+{
+ ide_hwif_t *hwif;
+ int i;
+
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ hwif = host->ports[i];
+
+ if (hwif == NULL)
+ continue;
+
+ ide_free_port_slot(hwif->index);
+ kfree(hwif);
+ }
+
+ kfree(host);
+}
+EXPORT_SYMBOL_GPL(ide_host_free);
+
+void ide_host_remove(struct ide_host *host)
{
- u8 idx_all[MAX_HWIFS];
int i;
- for (i = 0; i < MAX_HWIFS; i++)
- idx_all[i] = (i < 4) ? idx[i] : 0xff;
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
+ if (host->ports[i])
+ ide_unregister(host->ports[i]);
+ }
- return ide_device_add_all(idx_all, d);
+ ide_host_free(host);
}
-EXPORT_SYMBOL_GPL(ide_device_add);
+EXPORT_SYMBOL_GPL(ide_host_remove);
void ide_port_scan(ide_hwif_t *hwif)
{
+ ide_port_apply_params(hwif);
ide_port_cable_detect(hwif);
ide_port_init_devices(hwif);
}
EXPORT_SYMBOL_GPL(ide_port_scan);
-static void ide_legacy_init_one(u8 *idx, hw_regs_t *hw, u8 port_no,
- const struct ide_port_info *d,
+static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw,
+ u8 port_no, const struct ide_port_info *d,
unsigned long config)
{
- ide_hwif_t *hwif;
unsigned long base, ctl;
int irq;
irq = 15;
}
+ if (!request_region(base, 8, d->name)) {
+ printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
+ d->name, base, base + 7);
+ return;
+ }
+
+ if (!request_region(ctl, 1, d->name)) {
+ printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
+ d->name, ctl);
+ release_region(base, 8);
+ return;
+ }
+
ide_std_init_ports(hw, base, ctl);
hw->irq = irq;
+ hw->chipset = d->chipset;
+ hw->config = config;
- hwif = ide_find_port_slot(d);
- if (hwif) {
- ide_init_port_hw(hwif, hw);
- if (config)
- hwif->config_data = config;
- idx[port_no] = hwif->index;
- }
+ hws[port_no] = hw;
}
int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
{
- u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
- hw_regs_t hw[2];
+ hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
memset(&hw, 0, sizeof(hw));
if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0)
- ide_legacy_init_one(idx, &hw[0], 0, d, config);
- ide_legacy_init_one(idx, &hw[1], 1, d, config);
+ ide_legacy_init_one(hws, &hw[0], 0, d, config);
+ ide_legacy_init_one(hws, &hw[1], 1, d, config);
- if (idx[0] == 0xff && idx[1] == 0xff &&
+ if (hws[0] == NULL && hws[1] == NULL &&
(d->host_flags & IDE_HFLAG_SINGLE))
return -ENOENT;
- ide_device_add(idx, d);
-
- return 0;
+ return ide_host_add(d, hws, NULL);
}
EXPORT_SYMBOL_GPL(ide_legacy_device_add);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff