*/
#define IDEFLOPPY_PC_STACK (10 + IDEFLOPPY_MAX_PC_RETRIES)
-/* Packet command flag bits. */
-enum {
- /* 1 when we prefer to use DMA if possible */
- PC_FLAG_DMA_RECOMMENDED = (1 << 0),
- /* 1 while DMA in progress */
- PC_FLAG_DMA_IN_PROGRESS = (1 << 1),
- /* 1 when encountered problem during DMA */
- PC_FLAG_DMA_ERROR = (1 << 2),
- /* Data direction */
- PC_FLAG_WRITING = (1 << 3),
- /* Suppress error reporting */
- PC_FLAG_SUPPRESS_ERROR = (1 << 4),
-};
-
/* format capacities descriptor codes */
#define CAPACITY_INVALID 0x00
#define CAPACITY_UNFORMATTED 0x01
* Used to finish servicing a request. For read/write requests, we will call
* ide_end_request to pass to the next buffer.
*/
-static int idefloppy_do_end_request(ide_drive_t *drive, int uptodate, int nsecs)
+static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
{
idefloppy_floppy_t *floppy = drive->driver_data;
struct request *rq = HWGROUP(drive)->rq;
static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
unsigned int bcount, int direction)
{
+ ide_hwif_t *hwif = drive->hwif;
struct request *rq = pc->rq;
struct req_iterator iter;
struct bio_vec *bvec;
data = bvec_kmap_irq(bvec, &flags);
if (direction)
- drive->hwif->atapi_output_bytes(drive, data, count);
+ hwif->output_data(drive, NULL, data, count);
else
- drive->hwif->atapi_input_bytes(drive, data, count);
+ hwif->input_data(drive, NULL, data, count);
bvec_kunmap_irq(data, &flags);
bcount -= count;
done += count;
}
- idefloppy_do_end_request(drive, 1, done >> 9);
+ idefloppy_end_request(drive, 1, done >> 9);
if (bcount) {
printk(KERN_ERR "%s: leftover data in %s, bcount == %d\n",
drive->name, __func__, bcount);
- if (direction)
- ide_atapi_write_zeros(drive, bcount);
- else
- ide_atapi_discard_data(drive, bcount);
+ ide_pad_transfer(drive, direction, bcount);
}
}
struct bio *bio = rq->bio;
while ((bio = rq->bio) != NULL)
- idefloppy_do_end_request(drive, 1, 0);
+ idefloppy_end_request(drive, 1, 0);
}
/*
floppy->ascq);
- idefloppy_do_end_request(drive, 1, 0);
+ idefloppy_end_request(drive, 1, 0);
} else {
printk(KERN_ERR "Error in REQUEST SENSE itself - Aborting"
" request!\n");
- idefloppy_do_end_request(drive, 0, 0);
+ idefloppy_end_request(drive, 0, 0);
}
}
debug_log("Reached %s\n", __func__);
- idefloppy_do_end_request(drive, floppy->pc->error ? 0 : 1, 0);
+ idefloppy_end_request(drive, floppy->pc->error ? 0 : 1, 0);
}
static void idefloppy_init_pc(struct ide_atapi_pc *pc)
}
/* The usual interrupt handler called during a packet command. */
-static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
+static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
ide_hwif_t *hwif = drive->hwif;
debug_log("Reached %s interrupt handler\n", __func__);
if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
- dma_error = hwif->ide_dma_end(drive);
+ dma_error = hwif->dma_ops->dma_end(drive);
if (dma_error) {
printk(KERN_ERR "%s: DMA %s error\n", drive->name,
rq_data_dir(rq) ? "write" : "read");
}
/* Get the number of bytes to transfer */
- bcount = (hwif->INB(hwif->io_ports[IDE_BCOUNTH_OFFSET]) << 8) |
- hwif->INB(hwif->io_ports[IDE_BCOUNTL_OFFSET]);
+ bcount = (hwif->INB(hwif->io_ports.lbah_addr) << 8) |
+ hwif->INB(hwif->io_ports.lbam_addr);
/* on this interrupt */
- ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]);
+ ireason = hwif->INB(hwif->io_ports.nsect_addr);
if (ireason & CD) {
printk(KERN_ERR "ide-floppy: CoD != 0 in %s\n", __func__);
printk(KERN_ERR "ide-floppy: The floppy wants "
"to send us more data than expected "
"- discarding data\n");
- ide_atapi_discard_data(drive, bcount);
+ ide_pad_transfer(drive, 0, bcount);
ide_set_handler(drive,
&idefloppy_pc_intr,
}
}
if (pc->flags & PC_FLAG_WRITING)
- xferfunc = hwif->atapi_output_bytes;
+ xferfunc = hwif->output_data;
else
- xferfunc = hwif->atapi_input_bytes;
+ xferfunc = hwif->input_data;
if (pc->buf)
- xferfunc(drive, pc->cur_pos, bcount);
+ xferfunc(drive, NULL, pc->cur_pos, bcount);
else
ide_floppy_io_buffers(drive, pc, bcount,
!!(pc->flags & PC_FLAG_WRITING));
"initiated yet DRQ isn't asserted\n");
return startstop;
}
- ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]);
+ ireason = hwif->INB(hwif->io_ports.nsect_addr);
if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) while "
"issuing a packet command\n");
/* Set the interrupt routine */
ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL);
+
/* Send the actual packet */
- HWIF(drive)->atapi_output_bytes(drive, floppy->pc->c, 12);
+ hwif->output_data(drive, NULL, floppy->pc->c, 12);
+
return ide_started;
}
idefloppy_floppy_t *floppy = drive->driver_data;
/* Send the actual packet */
- HWIF(drive)->atapi_output_bytes(drive, floppy->pc->c, 12);
+ drive->hwif->output_data(drive, NULL, floppy->pc->c, 12);
+
/* Timeout for the packet command */
return IDEFLOPPY_WAIT_CMD;
}
"initiated yet DRQ isn't asserted\n");
return startstop;
}
- ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]);
+ ireason = hwif->INB(hwif->io_ports.nsect_addr);
if ((ireason & CD) == 0 || (ireason & IO)) {
printk(KERN_ERR "ide-floppy: (IO,CoD) != (0,1) "
"while issuing a packet command\n");
dma = 0;
if ((pc->flags & PC_FLAG_DMA_RECOMMENDED) && drive->using_dma)
- dma = !hwif->dma_setup(drive);
+ dma = !hwif->dma_ops->dma_setup(drive);
ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK |
IDE_TFLAG_OUT_DEVICE, bcount, dma);
if (dma) {
/* Begin DMA, if necessary */
pc->flags |= PC_FLAG_DMA_IN_PROGRESS;
- hwif->dma_start(drive);
+ hwif->dma_ops->dma_start(drive);
}
/* Can we transfer the packet when we get the interrupt or wait? */
return ide_started;
} else {
/* Issue the packet command */
- hwif->OUTB(WIN_PACKETCMD, hwif->io_ports[IDE_COMMAND_OFFSET]);
+ ide_execute_pkt_cmd(drive);
return (*pkt_xfer_routine) (drive);
}
}
{
debug_log("Reached %s\n", __func__);
- idefloppy_do_end_request(drive, 1, 0);
+ idefloppy_end_request(drive, 1, 0);
return;
}
else
printk(KERN_ERR "ide-floppy: %s: I/O error\n",
drive->name);
- idefloppy_do_end_request(drive, 0, 0);
+ idefloppy_end_request(drive, 0, 0);
return ide_stopped;
}
if (blk_fs_request(rq)) {
(rq->nr_sectors % floppy->bs_factor)) {
printk(KERN_ERR "%s: unsupported r/w request size\n",
drive->name);
- idefloppy_do_end_request(drive, 0, 0);
+ idefloppy_end_request(drive, 0, 0);
return ide_stopped;
}
pc = idefloppy_next_pc_storage(drive);
} else {
blk_dump_rq_flags(rq,
"ide-floppy: unsupported command in queue");
- idefloppy_do_end_request(drive, 0, 0);
+ idefloppy_end_request(drive, 0, 0);
return ide_stopped;
}
.media = ide_floppy,
.supports_dsc_overlap = 0,
.do_request = idefloppy_do_request,
- .end_request = idefloppy_do_end_request,
+ .end_request = idefloppy_end_request,
.error = __ide_error,
.abort = __ide_abort,
#ifdef CONFIG_IDE_PROC_FS
}
static struct block_device_operations idefloppy_ops = {
- .owner = THIS_MODULE,
- .open = idefloppy_open,
- .release = idefloppy_release,
- .ioctl = idefloppy_ioctl,
- .getgeo = idefloppy_getgeo,
- .media_changed = idefloppy_media_changed,
- .revalidate_disk= idefloppy_revalidate_disk
+ .owner = THIS_MODULE,
+ .open = idefloppy_open,
+ .release = idefloppy_release,
+ .ioctl = idefloppy_ioctl,
+ .getgeo = idefloppy_getgeo,
+ .media_changed = idefloppy_media_changed,
+ .revalidate_disk = idefloppy_revalidate_disk
};
static int ide_floppy_probe(ide_drive_t *drive)