#define IDEFLOPPY_IOCTL_FORMAT_START 0x4602
#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS 0x4603
-#if 0
-/*
- * Special requests for our block device strategy routine.
- */
-#define IDEFLOPPY_FIRST_RQ 90
-
-/*
- * IDEFLOPPY_PC_RQ is used to queue a packet command in the request queue.
- */
-#define IDEFLOPPY_PC_RQ 90
-
-#define IDEFLOPPY_LAST_RQ 90
-
-/*
- * A macro which can be used to check if a given request command
- * originated in the driver or in the buffer cache layer.
- */
-#define IDEFLOPPY_RQ_CMD(cmd) ((cmd >= IDEFLOPPY_FIRST_RQ) && (cmd <= IDEFLOPPY_LAST_RQ))
-
-#endif
-
/*
* Error codes which are returned in rq->errors to the higher part
* of the driver.
{
idefloppy_pc_t *pc;
struct request *rq;
- atapi_error_t error;
- error.all = HWIF(drive)->INB(IDE_ERROR_REG);
+ (void)drive->hwif->INB(IDE_ERROR_REG);
pc = idefloppy_next_pc_storage(drive);
rq = idefloppy_next_rq_storage(drive);
idefloppy_create_request_sense_cmd(pc);
static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
- atapi_status_t status;
- atapi_bcount_t bcount;
- atapi_ireason_t ireason;
+ ide_hwif_t *hwif = drive->hwif;
idefloppy_pc_t *pc = floppy->pc;
struct request *rq = pc->rq;
unsigned int temp;
+ u16 bcount;
+ u8 stat, ireason;
debug_log(KERN_INFO "ide-floppy: Reached %s interrupt handler\n",
__FUNCTION__);
}
/* Clear the interrupt */
- status.all = HWIF(drive)->INB(IDE_STATUS_REG);
+ stat = drive->hwif->INB(IDE_STATUS_REG);
- if (!status.b.drq) { /* No more interrupts */
+ if ((stat & DRQ_STAT) == 0) { /* No more interrupts */
debug_log(KERN_INFO "Packet command completed, %d bytes "
"transferred\n", pc->actually_transferred);
clear_bit(PC_DMA_IN_PROGRESS, &pc->flags);
local_irq_enable_in_hardirq();
- if (status.b.check || test_bit(PC_DMA_ERROR, &pc->flags)) {
+ if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) {
/* Error detected */
debug_log(KERN_INFO "ide-floppy: %s: I/O error\n",
drive->name);
}
/* Get the number of bytes to transfer */
- bcount.b.high = HWIF(drive)->INB(IDE_BCOUNTH_REG);
- bcount.b.low = HWIF(drive)->INB(IDE_BCOUNTL_REG);
+ bcount = (hwif->INB(IDE_BCOUNTH_REG) << 8) |
+ hwif->INB(IDE_BCOUNTL_REG);
/* on this interrupt */
- ireason.all = HWIF(drive)->INB(IDE_IREASON_REG);
+ ireason = hwif->INB(IDE_IREASON_REG);
- if (ireason.b.cod) {
+ if (ireason & CD) {
printk(KERN_ERR "ide-floppy: CoD != 0 in idefloppy_pc_intr\n");
return ide_do_reset(drive);
}
- if (ireason.b.io == test_bit(PC_WRITING, &pc->flags)) {
+ if (((ireason & IO) == IO) == test_bit(PC_WRITING, &pc->flags)) {
/* Hopefully, we will never get here */
printk(KERN_ERR "ide-floppy: We wanted to %s, ",
- ireason.b.io ? "Write":"Read");
+ (ireason & IO) ? "Write" : "Read");
printk(KERN_ERR "but the floppy wants us to %s !\n",
- ireason.b.io ? "Read":"Write");
+ (ireason & IO) ? "Read" : "Write");
return ide_do_reset(drive);
}
if (!test_bit(PC_WRITING, &pc->flags)) {
/* Reading - Check that we have enough space */
- temp = pc->actually_transferred + bcount.all;
+ temp = pc->actually_transferred + bcount;
if (temp > pc->request_transfer) {
if (temp > pc->buffer_size) {
printk(KERN_ERR "ide-floppy: The floppy wants "
"to send us more data than expected "
"- discarding data\n");
- idefloppy_discard_data(drive,bcount.all);
+ idefloppy_discard_data(drive, bcount);
BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive,
&idefloppy_pc_intr,
if (test_bit(PC_WRITING, &pc->flags)) {
if (pc->buffer != NULL)
/* Write the current buffer */
- HWIF(drive)->atapi_output_bytes(drive,
- pc->current_position,
- bcount.all);
+ hwif->atapi_output_bytes(drive, pc->current_position,
+ bcount);
else
- idefloppy_output_buffers(drive, pc, bcount.all);
+ idefloppy_output_buffers(drive, pc, bcount);
} else {
if (pc->buffer != NULL)
/* Read the current buffer */
- HWIF(drive)->atapi_input_bytes(drive,
- pc->current_position,
- bcount.all);
+ hwif->atapi_input_bytes(drive, pc->current_position,
+ bcount);
else
- idefloppy_input_buffers(drive, pc, bcount.all);
+ idefloppy_input_buffers(drive, pc, bcount);
}
/* Update the current position */
- pc->actually_transferred += bcount.all;
- pc->current_position += bcount.all;
+ pc->actually_transferred += bcount;
+ pc->current_position += bcount;
BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL); /* And set the interrupt handler again */
{
ide_startstop_t startstop;
idefloppy_floppy_t *floppy = drive->driver_data;
- atapi_ireason_t ireason;
+ u8 ireason;
if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) {
printk(KERN_ERR "ide-floppy: Strange, packet command "
"initiated yet DRQ isn't asserted\n");
return startstop;
}
- ireason.all = HWIF(drive)->INB(IDE_IREASON_REG);
- if (!ireason.b.cod || ireason.b.io) {
+ ireason = drive->hwif->INB(IDE_IREASON_REG);
+ if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) while "
"issuing a packet command\n");
return ide_do_reset(drive);
{
idefloppy_floppy_t *floppy = drive->driver_data;
ide_startstop_t startstop;
- atapi_ireason_t ireason;
+ u8 ireason;
if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) {
printk(KERN_ERR "ide-floppy: Strange, packet command "
"initiated yet DRQ isn't asserted\n");
return startstop;
}
- ireason.all = HWIF(drive)->INB(IDE_IREASON_REG);
- if (!ireason.b.cod || ireason.b.io) {
+ ireason = drive->hwif->INB(IDE_IREASON_REG);
+ if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) "
"while issuing a packet command\n");
return ide_do_reset(drive);
{
idefloppy_floppy_t *floppy = drive->driver_data;
ide_hwif_t *hwif = drive->hwif;
- atapi_feature_t feature;
- atapi_bcount_t bcount;
ide_handler_t *pkt_xfer_routine;
-
-#if 0 /* Accessing floppy->pc is not valid here, the previous pc may be gone
- and have lived on another thread's stack; that stack may have become
- unmapped meanwhile (CONFIG_DEBUG_PAGEALLOC). */
-#if IDEFLOPPY_DEBUG_BUGS
- if (floppy->pc->c[0] == IDEFLOPPY_REQUEST_SENSE_CMD &&
- pc->c[0] == IDEFLOPPY_REQUEST_SENSE_CMD) {
- printk(KERN_ERR "ide-floppy: possible ide-floppy.c bug - "
- "Two request sense in serial were issued\n");
- }
-#endif /* IDEFLOPPY_DEBUG_BUGS */
-#endif
+ u16 bcount;
+ u8 dma;
if (floppy->failed_pc == NULL &&
pc->c[0] != IDEFLOPPY_REQUEST_SENSE_CMD)
/* We haven't transferred any data yet */
pc->actually_transferred = 0;
pc->current_position = pc->buffer;
- bcount.all = min(pc->request_transfer, 63 * 1024);
+ bcount = min(pc->request_transfer, 63 * 1024);
if (test_and_clear_bit(PC_DMA_ERROR, &pc->flags))
ide_dma_off(drive);
- feature.all = 0;
+ dma = 0;
if (test_bit(PC_DMA_RECOMMENDED, &pc->flags) && drive->using_dma)
- feature.b.dma = !hwif->dma_setup(drive);
+ dma = !hwif->dma_setup(drive);
- if (IDE_CONTROL_REG)
- HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
- /* Use PIO/DMA */
- HWIF(drive)->OUTB(feature.all, IDE_FEATURE_REG);
- HWIF(drive)->OUTB(bcount.b.high, IDE_BCOUNTH_REG);
- HWIF(drive)->OUTB(bcount.b.low, IDE_BCOUNTL_REG);
- HWIF(drive)->OUTB(drive->select.all, IDE_SELECT_REG);
+ ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK |
+ IDE_TFLAG_OUT_DEVICE, bcount, dma);
- if (feature.b.dma) { /* Begin DMA, if necessary */
+ if (dma) { /* Begin DMA, if necessary */
set_bit(PC_DMA_IN_PROGRESS, &pc->flags);
hwif->dma_start(drive);
}
/* Else assume format_unit has finished, and we're
** at 0x10000 */
} else {
- atapi_status_t status;
unsigned long flags;
+ u8 stat;
local_irq_save(flags);
- status.all = HWIF(drive)->INB(IDE_STATUS_REG);
+ stat = drive->hwif->INB(IDE_STATUS_REG);
local_irq_restore(flags);
- progress_indication = !status.b.dsc ? 0 : 0x10000;
+ progress_indication = ((stat & SEEK_STAT) == 0) ? 0 : 0x10000;
}
if (put_user(progress_indication, arg))
return (-EFAULT);
projects / linux-2.6 / blobdiff