/*
* Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C) 2003 Red Hat <alan@redhat.com>
+ * Copyright (C) 2003 Red Hat
*
*/
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/delay.h>
-#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/bitops.h>
#include <linux/nmi.h>
#include <asm/uaccess.h>
#include <asm/io.h>
-/*
- * Conventional PIO operations for ATA devices
- */
-
-static u8 ide_inb (unsigned long port)
-{
- return (u8) inb(port);
-}
-
-static void ide_outb (u8 val, unsigned long port)
-{
- outb(val, port);
-}
-
-static void ide_outbsync(ide_hwif_t *hwif, u8 addr, unsigned long port)
-{
- outb(addr, port);
-}
-
-void default_hwif_iops (ide_hwif_t *hwif)
-{
- hwif->OUTB = ide_outb;
- hwif->OUTBSYNC = ide_outbsync;
- hwif->INB = ide_inb;
-}
-
-/*
- * MMIO operations, typically used for SATA controllers
- */
-
-static u8 ide_mm_inb (unsigned long port)
-{
- return (u8) readb((void __iomem *) port);
-}
-
-static void ide_mm_outb (u8 value, unsigned long port)
-{
- writeb(value, (void __iomem *) port);
-}
-
-static void ide_mm_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port)
-{
- writeb(value, (void __iomem *) port);
-}
-
-void default_hwif_mmiops (ide_hwif_t *hwif)
-{
- hwif->OUTB = ide_mm_outb;
- /* Most systems will need to override OUTBSYNC, alas however
- this one is controller specific! */
- hwif->OUTBSYNC = ide_mm_outbsync;
- hwif->INB = ide_mm_inb;
-}
-
-EXPORT_SYMBOL(default_hwif_mmiops);
-
-void SELECT_DRIVE (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- const struct ide_port_ops *port_ops = hwif->port_ops;
-
- if (port_ops && port_ops->selectproc)
- port_ops->selectproc(drive);
-
- hwif->OUTB(drive->select.all, hwif->io_ports.device_addr);
-}
-
void SELECT_MASK(ide_drive_t *drive, int mask)
{
const struct ide_port_ops *port_ops = drive->hwif->port_ops;
port_ops->maskproc(drive, mask);
}
-static void ide_exec_command(ide_hwif_t *hwif, u8 cmd)
-{
- if (hwif->host_flags & IDE_HFLAG_MMIO)
- writeb(cmd, (void __iomem *)hwif->io_ports.command_addr);
- else
- outb(cmd, hwif->io_ports.command_addr);
-}
-
-static u8 ide_read_sff_dma_status(ide_hwif_t *hwif)
-{
- if (hwif->host_flags & IDE_HFLAG_MMIO)
- return readb((void __iomem *)(hwif->dma_base + ATA_DMA_STATUS));
- else
- return inb(hwif->dma_base + ATA_DMA_STATUS);
-}
-
-static void ide_tf_load(ide_drive_t *drive, ide_task_t *task)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_io_ports *io_ports = &hwif->io_ports;
- struct ide_taskfile *tf = &task->tf;
- void (*tf_outb)(u8 addr, unsigned long port);
- u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
- u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
-
- if (mmio)
- tf_outb = ide_mm_outb;
- else
- tf_outb = ide_outb;
-
- if (task->tf_flags & IDE_TFLAG_FLAGGED)
- HIHI = 0xFF;
-
- if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
- u16 data = (tf->hob_data << 8) | tf->data;
-
- if (mmio)
- writew(data, (void __iomem *)io_ports->data_addr);
- else
- outw(data, io_ports->data_addr);
- }
-
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
- tf_outb(tf->hob_feature, io_ports->feature_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
- tf_outb(tf->hob_nsect, io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
- tf_outb(tf->hob_lbal, io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
- tf_outb(tf->hob_lbam, io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
- tf_outb(tf->hob_lbah, io_ports->lbah_addr);
-
- if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
- tf_outb(tf->feature, io_ports->feature_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
- tf_outb(tf->nsect, io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
- tf_outb(tf->lbal, io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
- tf_outb(tf->lbam, io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
- tf_outb(tf->lbah, io_ports->lbah_addr);
-
- if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
- tf_outb((tf->device & HIHI) | drive->select.all,
- io_ports->device_addr);
-}
-
-static void ide_tf_read(ide_drive_t *drive, ide_task_t *task)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_io_ports *io_ports = &hwif->io_ports;
- struct ide_taskfile *tf = &task->tf;
- void (*tf_outb)(u8 addr, unsigned long port);
- u8 (*tf_inb)(unsigned long port);
- u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
-
- if (mmio) {
- tf_outb = ide_mm_outb;
- tf_inb = ide_mm_inb;
- } else {
- tf_outb = ide_outb;
- tf_inb = ide_inb;
- }
-
- if (task->tf_flags & IDE_TFLAG_IN_DATA) {
- u16 data;
-
- if (mmio)
- data = readw((void __iomem *)io_ports->data_addr);
- else
- data = inw(io_ports->data_addr);
-
- tf->data = data & 0xff;
- tf->hob_data = (data >> 8) & 0xff;
- }
-
- /* be sure we're looking at the low order bits */
- tf_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
-
- if (task->tf_flags & IDE_TFLAG_IN_NSECT)
- tf->nsect = tf_inb(io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAL)
- tf->lbal = tf_inb(io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAM)
- tf->lbam = tf_inb(io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_IN_LBAH)
- tf->lbah = tf_inb(io_ports->lbah_addr);
- if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
- tf->device = tf_inb(io_ports->device_addr);
-
- if (task->tf_flags & IDE_TFLAG_LBA48) {
- tf_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
-
- if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
- tf->hob_feature = tf_inb(io_ports->feature_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
- tf->hob_nsect = tf_inb(io_ports->nsect_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
- tf->hob_lbal = tf_inb(io_ports->lbal_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
- tf->hob_lbam = tf_inb(io_ports->lbam_addr);
- if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
- tf->hob_lbah = tf_inb(io_ports->lbah_addr);
- }
-}
-
-/*
- * Some localbus EIDE interfaces require a special access sequence
- * when using 32-bit I/O instructions to transfer data. We call this
- * the "vlb_sync" sequence, which consists of three successive reads
- * of the sector count register location, with interrupts disabled
- * to ensure that the reads all happen together.
- */
-static void ata_vlb_sync(unsigned long port)
-{
- (void)inb(port);
- (void)inb(port);
- (void)inb(port);
-}
-
-/*
- * This is used for most PIO data transfers *from* the IDE interface
- *
- * These routines will round up any request for an odd number of bytes,
- * so if an odd len is specified, be sure that there's at least one
- * extra byte allocated for the buffer.
- */
-static void ata_input_data(ide_drive_t *drive, struct request *rq,
- void *buf, unsigned int len)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_io_ports *io_ports = &hwif->io_ports;
- unsigned long data_addr = io_ports->data_addr;
- u8 io_32bit = drive->io_32bit;
- u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
-
- len++;
-
- if (io_32bit) {
- unsigned long uninitialized_var(flags);
-
- if ((io_32bit & 2) && !mmio) {
- local_irq_save(flags);
- ata_vlb_sync(io_ports->nsect_addr);
- }
-
- if (mmio)
- __ide_mm_insl((void __iomem *)data_addr, buf, len / 4);
- else
- insl(data_addr, buf, len / 4);
-
- if ((io_32bit & 2) && !mmio)
- local_irq_restore(flags);
-
- if ((len & 3) >= 2) {
- if (mmio)
- __ide_mm_insw((void __iomem *)data_addr,
- (u8 *)buf + (len & ~3), 1);
- else
- insw(data_addr, (u8 *)buf + (len & ~3), 1);
- }
- } else {
- if (mmio)
- __ide_mm_insw((void __iomem *)data_addr, buf, len / 2);
- else
- insw(data_addr, buf, len / 2);
- }
-}
-
-/*
- * This is used for most PIO data transfers *to* the IDE interface
- */
-static void ata_output_data(ide_drive_t *drive, struct request *rq,
- void *buf, unsigned int len)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_io_ports *io_ports = &hwif->io_ports;
- unsigned long data_addr = io_ports->data_addr;
- u8 io_32bit = drive->io_32bit;
- u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
-
- if (io_32bit) {
- unsigned long uninitialized_var(flags);
-
- if ((io_32bit & 2) && !mmio) {
- local_irq_save(flags);
- ata_vlb_sync(io_ports->nsect_addr);
- }
-
- if (mmio)
- __ide_mm_outsl((void __iomem *)data_addr, buf, len / 4);
- else
- outsl(data_addr, buf, len / 4);
-
- if ((io_32bit & 2) && !mmio)
- local_irq_restore(flags);
-
- if ((len & 3) >= 2) {
- if (mmio)
- __ide_mm_outsw((void __iomem *)data_addr,
- (u8 *)buf + (len & ~3), 1);
- else
- outsw(data_addr, (u8 *)buf + (len & ~3), 1);
- }
- } else {
- if (mmio)
- __ide_mm_outsw((void __iomem *)data_addr, buf, len / 2);
- else
- outsw(data_addr, buf, len / 2);
- }
-}
-
-void default_hwif_transport(ide_hwif_t *hwif)
+u8 ide_read_error(ide_drive_t *drive)
{
- hwif->exec_command = ide_exec_command;
- hwif->read_sff_dma_status = ide_read_sff_dma_status;
+ struct ide_taskfile tf;
- hwif->tf_load = ide_tf_load;
- hwif->tf_read = ide_tf_read;
+ drive->hwif->tp_ops->tf_read(drive, &tf, IDE_VALID_ERROR);
- hwif->input_data = ata_input_data;
- hwif->output_data = ata_output_data;
+ return tf.error;
}
+EXPORT_SYMBOL_GPL(ide_read_error);
-void ide_fix_driveid (struct hd_driveid *id)
+void ide_fix_driveid(u16 *id)
{
#ifndef __LITTLE_ENDIAN
# ifdef __BIG_ENDIAN
int i;
- u16 *stringcast;
-
- id->config = __le16_to_cpu(id->config);
- id->cyls = __le16_to_cpu(id->cyls);
- id->reserved2 = __le16_to_cpu(id->reserved2);
- id->heads = __le16_to_cpu(id->heads);
- id->track_bytes = __le16_to_cpu(id->track_bytes);
- id->sector_bytes = __le16_to_cpu(id->sector_bytes);
- id->sectors = __le16_to_cpu(id->sectors);
- id->vendor0 = __le16_to_cpu(id->vendor0);
- id->vendor1 = __le16_to_cpu(id->vendor1);
- id->vendor2 = __le16_to_cpu(id->vendor2);
- stringcast = (u16 *)&id->serial_no[0];
- for (i = 0; i < (20/2); i++)
- stringcast[i] = __le16_to_cpu(stringcast[i]);
- id->buf_type = __le16_to_cpu(id->buf_type);
- id->buf_size = __le16_to_cpu(id->buf_size);
- id->ecc_bytes = __le16_to_cpu(id->ecc_bytes);
- stringcast = (u16 *)&id->fw_rev[0];
- for (i = 0; i < (8/2); i++)
- stringcast[i] = __le16_to_cpu(stringcast[i]);
- stringcast = (u16 *)&id->model[0];
- for (i = 0; i < (40/2); i++)
- stringcast[i] = __le16_to_cpu(stringcast[i]);
- id->dword_io = __le16_to_cpu(id->dword_io);
- id->reserved50 = __le16_to_cpu(id->reserved50);
- id->field_valid = __le16_to_cpu(id->field_valid);
- id->cur_cyls = __le16_to_cpu(id->cur_cyls);
- id->cur_heads = __le16_to_cpu(id->cur_heads);
- id->cur_sectors = __le16_to_cpu(id->cur_sectors);
- id->cur_capacity0 = __le16_to_cpu(id->cur_capacity0);
- id->cur_capacity1 = __le16_to_cpu(id->cur_capacity1);
- id->lba_capacity = __le32_to_cpu(id->lba_capacity);
- id->dma_1word = __le16_to_cpu(id->dma_1word);
- id->dma_mword = __le16_to_cpu(id->dma_mword);
- id->eide_pio_modes = __le16_to_cpu(id->eide_pio_modes);
- id->eide_dma_min = __le16_to_cpu(id->eide_dma_min);
- id->eide_dma_time = __le16_to_cpu(id->eide_dma_time);
- id->eide_pio = __le16_to_cpu(id->eide_pio);
- id->eide_pio_iordy = __le16_to_cpu(id->eide_pio_iordy);
- for (i = 0; i < 2; ++i)
- id->words69_70[i] = __le16_to_cpu(id->words69_70[i]);
- for (i = 0; i < 4; ++i)
- id->words71_74[i] = __le16_to_cpu(id->words71_74[i]);
- id->queue_depth = __le16_to_cpu(id->queue_depth);
- for (i = 0; i < 4; ++i)
- id->words76_79[i] = __le16_to_cpu(id->words76_79[i]);
- id->major_rev_num = __le16_to_cpu(id->major_rev_num);
- id->minor_rev_num = __le16_to_cpu(id->minor_rev_num);
- id->command_set_1 = __le16_to_cpu(id->command_set_1);
- id->command_set_2 = __le16_to_cpu(id->command_set_2);
- id->cfsse = __le16_to_cpu(id->cfsse);
- id->cfs_enable_1 = __le16_to_cpu(id->cfs_enable_1);
- id->cfs_enable_2 = __le16_to_cpu(id->cfs_enable_2);
- id->csf_default = __le16_to_cpu(id->csf_default);
- id->dma_ultra = __le16_to_cpu(id->dma_ultra);
- id->trseuc = __le16_to_cpu(id->trseuc);
- id->trsEuc = __le16_to_cpu(id->trsEuc);
- id->CurAPMvalues = __le16_to_cpu(id->CurAPMvalues);
- id->mprc = __le16_to_cpu(id->mprc);
- id->hw_config = __le16_to_cpu(id->hw_config);
- id->acoustic = __le16_to_cpu(id->acoustic);
- id->msrqs = __le16_to_cpu(id->msrqs);
- id->sxfert = __le16_to_cpu(id->sxfert);
- id->sal = __le16_to_cpu(id->sal);
- id->spg = __le32_to_cpu(id->spg);
- id->lba_capacity_2 = __le64_to_cpu(id->lba_capacity_2);
- for (i = 0; i < 22; i++)
- id->words104_125[i] = __le16_to_cpu(id->words104_125[i]);
- id->last_lun = __le16_to_cpu(id->last_lun);
- id->word127 = __le16_to_cpu(id->word127);
- id->dlf = __le16_to_cpu(id->dlf);
- id->csfo = __le16_to_cpu(id->csfo);
- for (i = 0; i < 26; i++)
- id->words130_155[i] = __le16_to_cpu(id->words130_155[i]);
- id->word156 = __le16_to_cpu(id->word156);
- for (i = 0; i < 3; i++)
- id->words157_159[i] = __le16_to_cpu(id->words157_159[i]);
- id->cfa_power = __le16_to_cpu(id->cfa_power);
- for (i = 0; i < 14; i++)
- id->words161_175[i] = __le16_to_cpu(id->words161_175[i]);
- for (i = 0; i < 31; i++)
- id->words176_205[i] = __le16_to_cpu(id->words176_205[i]);
- for (i = 0; i < 48; i++)
- id->words206_254[i] = __le16_to_cpu(id->words206_254[i]);
- id->integrity_word = __le16_to_cpu(id->integrity_word);
+
+ for (i = 0; i < 256; i++)
+ id[i] = __le16_to_cpu(id[i]);
# else
# error "Please fix <asm/byteorder.h>"
# endif
* ide_fixstring() cleans up and (optionally) byte-swaps a text string,
* removing leading/trailing blanks and compressing internal blanks.
* It is primarily used to tidy up the model name/number fields as
- * returned by the WIN_[P]IDENTIFY commands.
+ * returned by the ATA_CMD_ID_ATA[PI] commands.
*/
-void ide_fixstring (u8 *s, const int bytecount, const int byteswap)
+void ide_fixstring(u8 *s, const int bytecount, const int byteswap)
{
- u8 *p = s, *end = &s[bytecount & ~1]; /* bytecount must be even */
+ u8 *p, *end = &s[bytecount & ~1]; /* bytecount must be even */
if (byteswap) {
/* convert from big-endian to host byte order */
- for (p = end ; p != s;) {
- unsigned short *pp = (unsigned short *) (p -= 2);
- *pp = ntohs(*pp);
- }
+ for (p = s ; p != end ; p += 2)
+ be16_to_cpus((u16 *) p);
}
+
/* strip leading blanks */
+ p = s;
while (s != end && *s == ' ')
++s;
/* compress internal blanks and strip trailing blanks */
while (p != end)
*p++ = '\0';
}
-
EXPORT_SYMBOL(ide_fixstring);
/*
- * Needed for PCI irq sharing
- */
-int drive_is_ready (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = HWIF(drive);
- u8 stat = 0;
-
- if (drive->waiting_for_dma)
- return hwif->dma_ops->dma_test_irq(drive);
-
-#if 0
- /* need to guarantee 400ns since last command was issued */
- udelay(1);
-#endif
-
- /*
- * We do a passive status test under shared PCI interrupts on
- * cards that truly share the ATA side interrupt, but may also share
- * an interrupt with another pci card/device. We make no assumptions
- * about possible isa-pnp and pci-pnp issues yet.
- */
- if (hwif->io_ports.ctl_addr)
- stat = ide_read_altstatus(drive);
- else
- /* Note: this may clear a pending IRQ!! */
- stat = ide_read_status(drive);
-
- if (stat & BUSY_STAT)
- /* drive busy: definitely not interrupting */
- return 0;
-
- /* drive ready: *might* be interrupting */
- return 1;
-}
-
-EXPORT_SYMBOL(drive_is_ready);
-
-/*
* This routine busy-waits for the drive status to be not "busy".
* It then checks the status for all of the "good" bits and none
* of the "bad" bits, and if all is okay it returns 0. All other
* setting a timer to wake up at half second intervals thereafter,
* until timeout is achieved, before timing out.
*/
-static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long timeout, u8 *rstat)
+int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad,
+ unsigned long timeout, u8 *rstat)
{
+ ide_hwif_t *hwif = drive->hwif;
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
unsigned long flags;
int i;
u8 stat;
udelay(1); /* spec allows drive 400ns to assert "BUSY" */
- stat = ide_read_status(drive);
+ stat = tp_ops->read_status(hwif);
- if (stat & BUSY_STAT) {
- local_irq_set(flags);
+ if (stat & ATA_BUSY) {
+ local_save_flags(flags);
+ local_irq_enable_in_hardirq();
timeout += jiffies;
- while ((stat = ide_read_status(drive)) & BUSY_STAT) {
+ while ((stat = tp_ops->read_status(hwif)) & ATA_BUSY) {
if (time_after(jiffies, timeout)) {
/*
* One last read after the timeout in case
* heavy interrupt load made us not make any
* progress during the timeout..
*/
- stat = ide_read_status(drive);
- if (!(stat & BUSY_STAT))
+ stat = tp_ops->read_status(hwif);
+ if ((stat & ATA_BUSY) == 0)
break;
local_irq_restore(flags);
*/
for (i = 0; i < 10; i++) {
udelay(1);
- stat = ide_read_status(drive);
+ stat = tp_ops->read_status(hwif);
if (OK_STAT(stat, good, bad)) {
*rstat = stat;
* The caller should return the updated value of "startstop" in this case,
* "startstop" is unchanged when the function returns 0.
*/
-int ide_wait_stat(ide_startstop_t *startstop, ide_drive_t *drive, u8 good, u8 bad, unsigned long timeout)
+int ide_wait_stat(ide_startstop_t *startstop, ide_drive_t *drive, u8 good,
+ u8 bad, unsigned long timeout)
{
int err;
u8 stat;
return err;
}
-
EXPORT_SYMBOL(ide_wait_stat);
/**
* ide_in_drive_list - look for drive in black/white list
* @id: drive identifier
- * @drive_table: list to inspect
+ * @table: list to inspect
*
* Look for a drive in the blacklist and the whitelist tables
* Returns 1 if the drive is found in the table.
*/
-int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
+int ide_in_drive_list(u16 *id, const struct drive_list_entry *table)
{
- for ( ; drive_table->id_model; drive_table++)
- if ((!strcmp(drive_table->id_model, id->model)) &&
- (!drive_table->id_firmware ||
- strstr(id->fw_rev, drive_table->id_firmware)))
+ for ( ; table->id_model; table++)
+ if ((!strcmp(table->id_model, (char *)&id[ATA_ID_PROD])) &&
+ (!table->id_firmware ||
+ strstr((char *)&id[ATA_ID_FW_REV], table->id_firmware)))
return 1;
return 0;
}
-
EXPORT_SYMBOL_GPL(ide_in_drive_list);
/*
* Early UDMA66 devices don't set bit14 to 1, only bit13 is valid.
- * We list them here and depend on the device side cable detection for them.
- *
* Some optical devices with the buggy firmwares have the same problem.
*/
static const struct drive_list_entry ivb_list[] = {
{ "QUANTUM FIREBALLlct10 05" , "A03.0900" },
+ { "QUANTUM FIREBALLlct20 30" , "APL.0900" },
{ "TSSTcorp CDDVDW SH-S202J" , "SB00" },
{ "TSSTcorp CDDVDW SH-S202J" , "SB01" },
{ "TSSTcorp CDDVDW SH-S202N" , "SB00" },
{ "TSSTcorp CDDVDW SH-S202N" , "SB01" },
{ "TSSTcorp CDDVDW SH-S202H" , "SB00" },
{ "TSSTcorp CDDVDW SH-S202H" , "SB01" },
+ { "SAMSUNG SP0822N" , "WA100-10" },
{ NULL , NULL }
};
* All hosts that use the 80c ribbon must use!
* The name is derived from upper byte of word 93 and the 80c ribbon.
*/
-u8 eighty_ninty_three (ide_drive_t *drive)
+u8 eighty_ninty_three(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- struct hd_driveid *id = drive->id;
+ u16 *id = drive->id;
int ivb = ide_in_drive_list(id, ivb_list);
if (hwif->cbl == ATA_CBL_PATA40_SHORT)
printk(KERN_DEBUG "%s: skipping word 93 validity check\n",
drive->name);
- if (ide_dev_is_sata(id) && !ivb)
+ if (ata_id_is_sata(id) && !ivb)
return 1;
if (hwif->cbl != ATA_CBL_PATA80 && !ivb)
* - force bit13 (80c cable present) check also for !ivb devices
* (unless the slave device is pre-ATA3)
*/
- if ((id->hw_config & 0x4000) || (ivb && (id->hw_config & 0x2000)))
+ if (id[ATA_ID_HW_CONFIG] & 0x4000)
return 1;
+ if (ivb) {
+ const char *model = (char *)&id[ATA_ID_PROD];
+
+ if (strstr(model, "TSSTcorp CDDVDW SH-S202")) {
+ /*
+ * These ATAPI devices always report 80c cable
+ * so we have to depend on the host in this case.
+ */
+ if (hwif->cbl == ATA_CBL_PATA80)
+ return 1;
+ } else {
+ /* Depend on the device side cable detection. */
+ if (id[ATA_ID_HW_CONFIG] & 0x2000)
+ return 1;
+ }
+ }
no_80w:
- if (drive->udma33_warned == 1)
+ if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED)
return 0;
printk(KERN_WARNING "%s: %s side 80-wire cable detection failed, "
drive->name,
hwif->cbl == ATA_CBL_PATA80 ? "drive" : "host");
- drive->udma33_warned = 1;
+ drive->dev_flags |= IDE_DFLAG_UDMA33_WARNED;
return 0;
}
+static const char *nien_quirk_list[] = {
+ "QUANTUM FIREBALLlct08 08",
+ "QUANTUM FIREBALLP KA6.4",
+ "QUANTUM FIREBALLP KA9.1",
+ "QUANTUM FIREBALLP KX13.6",
+ "QUANTUM FIREBALLP KX20.5",
+ "QUANTUM FIREBALLP KX27.3",
+ "QUANTUM FIREBALLP LM20.4",
+ "QUANTUM FIREBALLP LM20.5",
+ "FUJITSU MHZ2160BH G2",
+ NULL
+};
+
+void ide_check_nien_quirk_list(ide_drive_t *drive)
+{
+ const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
+
+ for (list = nien_quirk_list; *list != NULL; list++)
+ if (strstr(m, *list) != NULL) {
+ drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK;
+ return;
+ }
+}
+
int ide_driveid_update(ide_drive_t *drive)
{
- ide_hwif_t *hwif = drive->hwif;
- struct hd_driveid *id;
- unsigned long timeout, flags;
- u8 stat;
+ u16 *id;
+ int rc;
- /*
- * Re-read drive->id for possible DMA mode
- * change (copied from ide-probe.c)
- */
+ id = kmalloc(SECTOR_SIZE, GFP_ATOMIC);
+ if (id == NULL)
+ return 0;
SELECT_MASK(drive, 1);
- ide_set_irq(drive, 0);
- msleep(50);
- hwif->exec_command(hwif, WIN_IDENTIFY);
- timeout = jiffies + WAIT_WORSTCASE;
- do {
- if (time_after(jiffies, timeout)) {
- SELECT_MASK(drive, 0);
- return 0; /* drive timed-out */
- }
+ rc = ide_dev_read_id(drive, ATA_CMD_ID_ATA, id, 1);
+ SELECT_MASK(drive, 0);
- msleep(50); /* give drive a breather */
- stat = ide_read_altstatus(drive);
- } while (stat & BUSY_STAT);
+ if (rc)
+ goto out_err;
- msleep(50); /* wait for IRQ and DRQ_STAT */
- stat = ide_read_status(drive);
+ drive->id[ATA_ID_UDMA_MODES] = id[ATA_ID_UDMA_MODES];
+ drive->id[ATA_ID_MWDMA_MODES] = id[ATA_ID_MWDMA_MODES];
+ drive->id[ATA_ID_SWDMA_MODES] = id[ATA_ID_SWDMA_MODES];
+ drive->id[ATA_ID_CFA_MODES] = id[ATA_ID_CFA_MODES];
+ /* anything more ? */
- if (!OK_STAT(stat, DRQ_STAT, BAD_R_STAT)) {
- SELECT_MASK(drive, 0);
- printk("%s: CHECK for good STATUS\n", drive->name);
- return 0;
- }
- local_irq_save(flags);
- SELECT_MASK(drive, 0);
- id = kmalloc(SECTOR_WORDS*4, GFP_ATOMIC);
- if (!id) {
- local_irq_restore(flags);
- return 0;
- }
- hwif->input_data(drive, NULL, id, SECTOR_SIZE);
- (void)ide_read_status(drive); /* clear drive IRQ */
- local_irq_enable();
- local_irq_restore(flags);
- ide_fix_driveid(id);
- if (id) {
- drive->id->dma_ultra = id->dma_ultra;
- drive->id->dma_mword = id->dma_mword;
- drive->id->dma_1word = id->dma_1word;
- /* anything more ? */
- kfree(id);
-
- if (drive->using_dma && ide_id_dma_bug(drive))
- ide_dma_off(drive);
- }
+ kfree(id);
return 1;
+out_err:
+ if (rc == 2)
+ printk(KERN_ERR "%s: %s: bad status\n", drive->name, __func__);
+ kfree(id);
+ return 0;
}
int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
{
ide_hwif_t *hwif = drive->hwif;
- struct ide_io_ports *io_ports = &hwif->io_ports;
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
+ struct ide_taskfile tf;
+ u16 *id = drive->id, i;
int error = 0;
u8 stat;
#endif
/* Skip setting PIO flow-control modes on pre-EIDE drives */
- if ((speed & 0xf8) == XFER_PIO_0 && !(drive->id->capability & 0x08))
+ if ((speed & 0xf8) == XFER_PIO_0 && ata_id_has_iordy(drive->id) == 0)
goto skip;
/*
* but for some reason these don't work at
* this point (lost interrupt).
*/
- /*
- * Select the drive, and issue the SETFEATURES command
- */
- disable_irq_nosync(hwif->irq);
-
- /*
- * FIXME: we race against the running IRQ here if
- * this is called from non IRQ context. If we use
- * disable_irq() we hang on the error path. Work
- * is needed.
- */
-
+
udelay(1);
- SELECT_DRIVE(drive);
- SELECT_MASK(drive, 0);
+ tp_ops->dev_select(drive);
+ SELECT_MASK(drive, 1);
udelay(1);
- ide_set_irq(drive, 0);
- hwif->OUTB(speed, io_ports->nsect_addr);
- hwif->OUTB(SETFEATURES_XFER, io_ports->feature_addr);
- hwif->exec_command(hwif, WIN_SETFEATURES);
- if (drive->quirk_list == 2)
- ide_set_irq(drive, 1);
+ tp_ops->write_devctl(hwif, ATA_NIEN | ATA_DEVCTL_OBS);
+
+ memset(&tf, 0, sizeof(tf));
+ tf.feature = SETFEATURES_XFER;
+ tf.nsect = speed;
+
+ tp_ops->tf_load(drive, &tf, IDE_VALID_FEATURE | IDE_VALID_NSECT);
+
+ tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES);
+
+ if (drive->dev_flags & IDE_DFLAG_NIEN_QUIRK)
+ tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
error = __ide_wait_stat(drive, drive->ready_stat,
- BUSY_STAT|DRQ_STAT|ERR_STAT,
+ ATA_BUSY | ATA_DRQ | ATA_ERR,
WAIT_CMD, &stat);
SELECT_MASK(drive, 0);
- enable_irq(hwif->irq);
-
if (error) {
(void) ide_dump_status(drive, "set_drive_speed_status", stat);
return error;
}
- drive->id->dma_ultra &= ~0xFF00;
- drive->id->dma_mword &= ~0x0F00;
- drive->id->dma_1word &= ~0x0F00;
+ if (speed >= XFER_SW_DMA_0) {
+ id[ATA_ID_UDMA_MODES] &= ~0xFF00;
+ id[ATA_ID_MWDMA_MODES] &= ~0x0700;
+ id[ATA_ID_SWDMA_MODES] &= ~0x0700;
+ if (ata_id_is_cfa(id))
+ id[ATA_ID_CFA_MODES] &= ~0x0E00;
+ } else if (ata_id_is_cfa(id))
+ id[ATA_ID_CFA_MODES] &= ~0x01C0;
skip:
#ifdef CONFIG_BLK_DEV_IDEDMA
- if ((speed >= XFER_SW_DMA_0 || (hwif->host_flags & IDE_HFLAG_VDMA)) &&
- drive->using_dma)
+ if (speed >= XFER_SW_DMA_0 && (drive->dev_flags & IDE_DFLAG_USING_DMA))
hwif->dma_ops->dma_host_set(drive, 1);
else if (hwif->dma_ops) /* check if host supports DMA */
ide_dma_off_quietly(drive);
#endif
- switch(speed) {
- case XFER_UDMA_7: drive->id->dma_ultra |= 0x8080; break;
- case XFER_UDMA_6: drive->id->dma_ultra |= 0x4040; break;
- case XFER_UDMA_5: drive->id->dma_ultra |= 0x2020; break;
- case XFER_UDMA_4: drive->id->dma_ultra |= 0x1010; break;
- case XFER_UDMA_3: drive->id->dma_ultra |= 0x0808; break;
- case XFER_UDMA_2: drive->id->dma_ultra |= 0x0404; break;
- case XFER_UDMA_1: drive->id->dma_ultra |= 0x0202; break;
- case XFER_UDMA_0: drive->id->dma_ultra |= 0x0101; break;
- case XFER_MW_DMA_2: drive->id->dma_mword |= 0x0404; break;
- case XFER_MW_DMA_1: drive->id->dma_mword |= 0x0202; break;
- case XFER_MW_DMA_0: drive->id->dma_mword |= 0x0101; break;
- case XFER_SW_DMA_2: drive->id->dma_1word |= 0x0404; break;
- case XFER_SW_DMA_1: drive->id->dma_1word |= 0x0202; break;
- case XFER_SW_DMA_0: drive->id->dma_1word |= 0x0101; break;
- default: break;
+ if (speed >= XFER_UDMA_0) {
+ i = 1 << (speed - XFER_UDMA_0);
+ id[ATA_ID_UDMA_MODES] |= (i << 8 | i);
+ } else if (ata_id_is_cfa(id) && speed >= XFER_MW_DMA_3) {
+ i = speed - XFER_MW_DMA_2;
+ id[ATA_ID_CFA_MODES] |= i << 9;
+ } else if (speed >= XFER_MW_DMA_0) {
+ i = 1 << (speed - XFER_MW_DMA_0);
+ id[ATA_ID_MWDMA_MODES] |= (i << 8 | i);
+ } else if (speed >= XFER_SW_DMA_0) {
+ i = 1 << (speed - XFER_SW_DMA_0);
+ id[ATA_ID_SWDMA_MODES] |= (i << 8 | i);
+ } else if (ata_id_is_cfa(id) && speed >= XFER_PIO_5) {
+ i = speed - XFER_PIO_4;
+ id[ATA_ID_CFA_MODES] |= i << 6;
}
+
if (!drive->init_speed)
drive->init_speed = speed;
drive->current_speed = speed;
*
* See also ide_execute_command
*/
-static void __ide_set_handler (ide_drive_t *drive, ide_handler_t *handler,
- unsigned int timeout, ide_expiry_t *expiry)
+void __ide_set_handler(ide_drive_t *drive, ide_handler_t *handler,
+ unsigned int timeout)
{
- ide_hwgroup_t *hwgroup = HWGROUP(drive);
-
- BUG_ON(hwgroup->handler);
- hwgroup->handler = handler;
- hwgroup->expiry = expiry;
- hwgroup->timer.expires = jiffies + timeout;
- hwgroup->req_gen_timer = hwgroup->req_gen;
- add_timer(&hwgroup->timer);
+ ide_hwif_t *hwif = drive->hwif;
+
+ BUG_ON(hwif->handler);
+ hwif->handler = handler;
+ hwif->timer.expires = jiffies + timeout;
+ hwif->req_gen_timer = hwif->req_gen;
+ add_timer(&hwif->timer);
}
-void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler,
- unsigned int timeout, ide_expiry_t *expiry)
+void ide_set_handler(ide_drive_t *drive, ide_handler_t *handler,
+ unsigned int timeout)
{
+ ide_hwif_t *hwif = drive->hwif;
unsigned long flags;
- spin_lock_irqsave(&ide_lock, flags);
- __ide_set_handler(drive, handler, timeout, expiry);
- spin_unlock_irqrestore(&ide_lock, flags);
-}
+ spin_lock_irqsave(&hwif->lock, flags);
+ __ide_set_handler(drive, handler, timeout);
+ spin_unlock_irqrestore(&hwif->lock, flags);
+}
EXPORT_SYMBOL(ide_set_handler);
-
+
/**
* ide_execute_command - execute an IDE command
* @drive: IDE drive to issue the command against
- * @command: command byte to write
+ * @cmd: command
* @handler: handler for next phase
* @timeout: timeout for command
- * @expiry: handler to run on timeout
*
* Helper function to issue an IDE command. This handles the
- * atomicity requirements, command timing and ensures that the
+ * atomicity requirements, command timing and ensures that the
* handler and IRQ setup do not race. All IDE command kick off
* should go via this function or do equivalent locking.
*/
-void ide_execute_command(ide_drive_t *drive, u8 cmd, ide_handler_t *handler,
- unsigned timeout, ide_expiry_t *expiry)
+void ide_execute_command(ide_drive_t *drive, struct ide_cmd *cmd,
+ ide_handler_t *handler, unsigned timeout)
{
+ ide_hwif_t *hwif = drive->hwif;
unsigned long flags;
- ide_hwif_t *hwif = HWIF(drive);
- spin_lock_irqsave(&ide_lock, flags);
- __ide_set_handler(drive, handler, timeout, expiry);
- hwif->exec_command(hwif, cmd);
+ spin_lock_irqsave(&hwif->lock, flags);
+ if ((cmd->protocol != ATAPI_PROT_DMA &&
+ cmd->protocol != ATAPI_PROT_PIO) ||
+ (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT))
+ __ide_set_handler(drive, handler, timeout);
+ hwif->tp_ops->exec_command(hwif, cmd->tf.command);
/*
* Drive takes 400nS to respond, we must avoid the IRQ being
* serviced before that.
* FIXME: we could skip this delay with care on non shared devices
*/
ndelay(400);
- spin_unlock_irqrestore(&ide_lock, flags);
-}
-EXPORT_SYMBOL(ide_execute_command);
-
-void ide_execute_pkt_cmd(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- unsigned long flags;
-
- spin_lock_irqsave(&ide_lock, flags);
- hwif->exec_command(hwif, WIN_PACKETCMD);
- ndelay(400);
- spin_unlock_irqrestore(&ide_lock, flags);
-}
-EXPORT_SYMBOL_GPL(ide_execute_pkt_cmd);
-
-static inline void ide_complete_drive_reset(ide_drive_t *drive, int err)
-{
- struct request *rq = drive->hwif->hwgroup->rq;
-
- if (rq && blk_special_request(rq) && rq->cmd[0] == REQ_DRIVE_RESET)
- ide_end_request(drive, err ? err : 1, 0);
-}
-
-/* needed below */
-static ide_startstop_t do_reset1 (ide_drive_t *, int);
-
-/*
- * atapi_reset_pollfunc() gets invoked to poll the interface for completion every 50ms
- * during an atapi drive reset operation. If the drive has not yet responded,
- * and we have not yet hit our maximum waiting time, then the timer is restarted
- * for another 50ms.
- */
-static ide_startstop_t atapi_reset_pollfunc (ide_drive_t *drive)
-{
- ide_hwgroup_t *hwgroup = HWGROUP(drive);
- u8 stat;
-
- SELECT_DRIVE(drive);
- udelay (10);
- stat = ide_read_status(drive);
-
- if (OK_STAT(stat, 0, BUSY_STAT))
- printk("%s: ATAPI reset complete\n", drive->name);
- else {
- if (time_before(jiffies, hwgroup->poll_timeout)) {
- ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20, NULL);
- /* continue polling */
- return ide_started;
- }
- /* end of polling */
- hwgroup->polling = 0;
- printk("%s: ATAPI reset timed-out, status=0x%02x\n",
- drive->name, stat);
- /* do it the old fashioned way */
- return do_reset1(drive, 1);
- }
- /* done polling */
- hwgroup->polling = 0;
- ide_complete_drive_reset(drive, 0);
- return ide_stopped;
-}
-
-/*
- * reset_pollfunc() gets invoked to poll the interface for completion every 50ms
- * during an ide reset operation. If the drives have not yet responded,
- * and we have not yet hit our maximum waiting time, then the timer is restarted
- * for another 50ms.
- */
-static ide_startstop_t reset_pollfunc (ide_drive_t *drive)
-{
- ide_hwgroup_t *hwgroup = HWGROUP(drive);
- ide_hwif_t *hwif = HWIF(drive);
- const struct ide_port_ops *port_ops = hwif->port_ops;
- u8 tmp;
- int err = 0;
-
- if (port_ops && port_ops->reset_poll) {
- err = port_ops->reset_poll(drive);
- if (err) {
- printk(KERN_ERR "%s: host reset_poll failure for %s.\n",
- hwif->name, drive->name);
- goto out;
- }
- }
-
- tmp = ide_read_status(drive);
-
- if (!OK_STAT(tmp, 0, BUSY_STAT)) {
- if (time_before(jiffies, hwgroup->poll_timeout)) {
- ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
- /* continue polling */
- return ide_started;
- }
- printk("%s: reset timed-out, status=0x%02x\n", hwif->name, tmp);
- drive->failures++;
- err = -EIO;
- } else {
- printk("%s: reset: ", hwif->name);
- tmp = ide_read_error(drive);
-
- if (tmp == 1) {
- printk("success\n");
- drive->failures = 0;
- } else {
- drive->failures++;
- printk("master: ");
- switch (tmp & 0x7f) {
- case 1: printk("passed");
- break;
- case 2: printk("formatter device error");
- break;
- case 3: printk("sector buffer error");
- break;
- case 4: printk("ECC circuitry error");
- break;
- case 5: printk("controlling MPU error");
- break;
- default:printk("error (0x%02x?)", tmp);
- }
- if (tmp & 0x80)
- printk("; slave: failed");
- printk("\n");
- err = -EIO;
- }
- }
-out:
- hwgroup->polling = 0; /* done polling */
- ide_complete_drive_reset(drive, err);
- return ide_stopped;
-}
-
-static void ide_disk_pre_reset(ide_drive_t *drive)
-{
- int legacy = (drive->id->cfs_enable_2 & 0x0400) ? 0 : 1;
-
- drive->special.all = 0;
- drive->special.b.set_geometry = legacy;
- drive->special.b.recalibrate = legacy;
- drive->mult_count = 0;
- if (!drive->keep_settings && !drive->using_dma)
- drive->mult_req = 0;
- if (drive->mult_req != drive->mult_count)
- drive->special.b.set_multmode = 1;
-}
-
-static void pre_reset(ide_drive_t *drive)
-{
- const struct ide_port_ops *port_ops = drive->hwif->port_ops;
-
- if (drive->media == ide_disk)
- ide_disk_pre_reset(drive);
- else
- drive->post_reset = 1;
-
- if (drive->using_dma) {
- if (drive->crc_count)
- ide_check_dma_crc(drive);
- else
- ide_dma_off(drive);
- }
-
- if (!drive->keep_settings) {
- if (!drive->using_dma) {
- drive->unmask = 0;
- drive->io_32bit = 0;
- }
- return;
- }
-
- if (port_ops && port_ops->pre_reset)
- port_ops->pre_reset(drive);
-
- if (drive->current_speed != 0xff)
- drive->desired_speed = drive->current_speed;
- drive->current_speed = 0xff;
+ spin_unlock_irqrestore(&hwif->lock, flags);
}
/*
- * do_reset1() attempts to recover a confused drive by resetting it.
- * Unfortunately, resetting a disk drive actually resets all devices on
- * the same interface, so it can really be thought of as resetting the
- * interface rather than resetting the drive.
- *
- * ATAPI devices have their own reset mechanism which allows them to be
- * individually reset without clobbering other devices on the same interface.
- *
- * Unfortunately, the IDE interface does not generate an interrupt to let
- * us know when the reset operation has finished, so we must poll for this.
- * Equally poor, though, is the fact that this may a very long time to complete,
- * (up to 30 seconds worstcase). So, instead of busy-waiting here for it,
- * we set a timer to poll at 50ms intervals.
- */
-static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
-{
- unsigned int unit;
- unsigned long flags;
- ide_hwif_t *hwif;
- ide_hwgroup_t *hwgroup;
- struct ide_io_ports *io_ports;
- const struct ide_port_ops *port_ops;
- u8 ctl;
-
- spin_lock_irqsave(&ide_lock, flags);
- hwif = HWIF(drive);
- hwgroup = HWGROUP(drive);
-
- io_ports = &hwif->io_ports;
-
- /* We must not reset with running handlers */
- BUG_ON(hwgroup->handler != NULL);
-
- /* For an ATAPI device, first try an ATAPI SRST. */
- if (drive->media != ide_disk && !do_not_try_atapi) {
- pre_reset(drive);
- SELECT_DRIVE(drive);
- udelay (20);
- hwif->exec_command(hwif, WIN_SRST);
- ndelay(400);
- hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE;
- hwgroup->polling = 1;
- __ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20, NULL);
- spin_unlock_irqrestore(&ide_lock, flags);
- return ide_started;
- }
-
- /*
- * First, reset any device state data we were maintaining
- * for any of the drives on this interface.
- */
- for (unit = 0; unit < MAX_DRIVES; ++unit)
- pre_reset(&hwif->drives[unit]);
-
- if (io_ports->ctl_addr == 0) {
- spin_unlock_irqrestore(&ide_lock, flags);
- ide_complete_drive_reset(drive, -ENXIO);
- return ide_stopped;
- }
-
- /*
- * Note that we also set nIEN while resetting the device,
- * to mask unwanted interrupts from the interface during the reset.
- * However, due to the design of PC hardware, this will cause an
- * immediate interrupt due to the edge transition it produces.
- * This single interrupt gives us a "fast poll" for drives that
- * recover from reset very quickly, saving us the first 50ms wait time.
- */
- /* set SRST and nIEN */
- hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | 6, io_ports->ctl_addr);
- /* more than enough time */
- udelay(10);
- if (drive->quirk_list == 2)
- ctl = ATA_DEVCTL_OBS; /* clear SRST and nIEN */
- else
- ctl = ATA_DEVCTL_OBS | 2; /* clear SRST, leave nIEN */
- hwif->OUTBSYNC(hwif, ctl, io_ports->ctl_addr);
- /* more than enough time */
- udelay(10);
- hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE;
- hwgroup->polling = 1;
- __ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
-
- /*
- * Some weird controller like resetting themselves to a strange
- * state when the disks are reset this way. At least, the Winbond
- * 553 documentation says that
- */
- port_ops = hwif->port_ops;
- if (port_ops && port_ops->resetproc)
- port_ops->resetproc(drive);
-
- spin_unlock_irqrestore(&ide_lock, flags);
- return ide_started;
-}
-
-/*
- * ide_do_reset() is the entry point to the drive/interface reset code.
- */
-
-ide_startstop_t ide_do_reset (ide_drive_t *drive)
-{
- return do_reset1(drive, 0);
-}
-
-EXPORT_SYMBOL(ide_do_reset);
-
-/*
* ide_wait_not_busy() waits for the currently selected device on the hwif
* to report a non-busy status, see comments in ide_probe_port().
*/
{
u8 stat = 0;
- while(timeout--) {
+ while (timeout--) {
/*
* Turn this into a schedule() sleep once I'm sure
* about locking issues (2.5 work ?).
*/
mdelay(1);
- stat = hwif->INB(hwif->io_ports.status_addr);
- if ((stat & BUSY_STAT) == 0)
+ stat = hwif->tp_ops->read_status(hwif);
+ if ((stat & ATA_BUSY) == 0)
return 0;
/*
* Assume a value of 0xff means nothing is connected to
}
return -EBUSY;
}
-
-EXPORT_SYMBOL_GPL(ide_wait_not_busy);
-
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff