#include <asm/uaccess.h>
#include <asm/io.h>
-void SELECT_DRIVE(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- const struct ide_port_ops *port_ops = hwif->port_ops;
- ide_task_t task;
-
- if (port_ops && port_ops->selectproc)
- port_ops->selectproc(drive);
-
- memset(&task, 0, sizeof(task));
- task.tf_flags = IDE_TFLAG_OUT_DEVICE;
-
- drive->hwif->tp_ops->tf_load(drive, &task);
-}
-
void SELECT_MASK(ide_drive_t *drive, int mask)
{
const struct ide_port_ops *port_ops = drive->hwif->port_ops;
u8 ide_read_error(ide_drive_t *drive)
{
- ide_task_t task;
+ struct ide_cmd cmd;
- memset(&task, 0, sizeof(task));
- task.tf_flags = IDE_TFLAG_IN_FEATURE;
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.tf_flags = IDE_TFLAG_IN_ERROR;
- drive->hwif->tp_ops->tf_read(drive, &task);
+ drive->hwif->tp_ops->tf_read(drive, &cmd);
- return task.tf.error;
+ return cmd.tf.error;
}
EXPORT_SYMBOL_GPL(ide_read_error);
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 ? */
kfree(id);
u16 *id = drive->id, i;
int error = 0;
u8 stat;
- ide_task_t task;
+ struct ide_cmd cmd;
#ifdef CONFIG_BLK_DEV_IDEDMA
if (hwif->dma_ops) /* check if host supports DMA */
disable_irq_nosync(hwif->irq);
udelay(1);
- SELECT_DRIVE(drive);
+ tp_ops->dev_select(drive);
SELECT_MASK(drive, 1);
udelay(1);
- tp_ops->set_irq(hwif, 0);
+ tp_ops->write_devctl(hwif, ATA_NIEN | ATA_DEVCTL_OBS);
- memset(&task, 0, sizeof(task));
- task.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT;
- task.tf.feature = SETFEATURES_XFER;
- task.tf.nsect = speed;
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT;
+ cmd.tf.feature = SETFEATURES_XFER;
+ cmd.tf.nsect = speed;
- tp_ops->tf_load(drive, &task);
+ tp_ops->tf_load(drive, &cmd);
tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES);
if (drive->quirk_list == 2)
- tp_ops->set_irq(hwif, 1);
+ tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
error = __ide_wait_stat(drive, drive->ready_stat,
ATA_BUSY | ATA_DRQ | ATA_ERR,
return error;
}
- id[ATA_ID_UDMA_MODES] &= ~0xFF00;
- id[ATA_ID_MWDMA_MODES] &= ~0x0F00;
- id[ATA_ID_SWDMA_MODES] &= ~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_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)
* See also ide_execute_command
*/
void __ide_set_handler(ide_drive_t *drive, ide_handler_t *handler,
- unsigned int timeout, ide_expiry_t *expiry)
+ unsigned int timeout)
{
ide_hwif_t *hwif = drive->hwif;
BUG_ON(hwif->handler);
hwif->handler = handler;
- hwif->expiry = expiry;
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(&hwif->lock, flags);
- __ide_set_handler(drive, handler, timeout, expiry);
+ __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
* 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;
spin_lock_irqsave(&hwif->lock, flags);
- __ide_set_handler(drive, handler, timeout, expiry);
- hwif->tp_ops->exec_command(hwif, cmd);
+ 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.
ndelay(400);
spin_unlock_irqrestore(&hwif->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(&hwif->lock, flags);
- hwif->tp_ops->exec_command(hwif, ATA_CMD_PACKET);
- ndelay(400);
- spin_unlock_irqrestore(&hwif->lock, flags);
-}
-EXPORT_SYMBOL_GPL(ide_execute_pkt_cmd);
/*
* ide_wait_not_busy() waits for the currently selected device on the hwif
git.samba.org / sfrench / cifs-2.6.git / blobdiff