-}
-
-static ide_startstop_t cdrom_newpc_intr(ide_drive_t *);
-
-static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive,
- struct request *rq)
-{
- ide_debug_log(IDE_DBG_RQ, "Call %s: rq->cmd_flags: 0x%x\n", __func__,
- rq->cmd_flags);
-
- if (rq_data_dir(rq) == READ) {
- unsigned short sectors_per_frame =
- queue_hardsect_size(drive->queue) >> SECTOR_BITS;
- int nskip = rq->sector & (sectors_per_frame - 1);
-
- /*
- * If the requested sector doesn't start on a frame boundary,
- * we must adjust the start of the transfer so that it does,
- * and remember to skip the first few sectors.
- *
- * If the rq->current_nr_sectors field is larger than the size
- * of the buffer, it will mean that we're to skip a number of
- * sectors equal to the amount by which rq->current_nr_sectors
- * is larger than the buffer size.
- */
- if (nskip > 0) {
- /* sanity check... */
- if (rq->current_nr_sectors !=
- bio_cur_sectors(rq->bio)) {
- printk(KERN_ERR PFX "%s: %s: buffer botch (%u)\n",
- drive->name, __func__,
- rq->current_nr_sectors);
- cdrom_end_request(drive, 0);
- return ide_stopped;
- }
- rq->current_nr_sectors += nskip;
- }
- }
-
- /* set up the command */
- rq->timeout = ATAPI_WAIT_PC;
-
- return ide_started;
-}
-
-/*
- * Routine to send a read/write packet command to the drive. This is usually
- * called directly from cdrom_start_{read,write}(). However, for drq_interrupt
- * devices, it is called from an interrupt when the drive is ready to accept
- * the command.
- */
-static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive)
-{
- struct request *rq = drive->hwif->hwgroup->rq;
-
- /* send the command to the drive and return */
- return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr);
-}
-
-#define IDECD_SEEK_THRESHOLD (1000) /* 1000 blocks */
-#define IDECD_SEEK_TIMER (5 * WAIT_MIN_SLEEP) /* 100 ms */
-#define IDECD_SEEK_TIMEOUT (2 * WAIT_CMD) /* 20 sec */
-
-static ide_startstop_t cdrom_seek_intr(ide_drive_t *drive)
-{
- struct cdrom_info *info = drive->driver_data;
- int stat;
- static int retry = 10;
-
- ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
- if (cdrom_decode_status(drive, 0, &stat))
- return ide_stopped;
-
- drive->atapi_flags |= IDE_AFLAG_SEEKING;
-
- if (retry && time_after(jiffies, info->start_seek + IDECD_SEEK_TIMER)) {
- if (--retry == 0)
- drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
- }
- return ide_stopped;
-}
-
-static void ide_cd_prepare_seek_request(ide_drive_t *drive, struct request *rq)
-{
- sector_t frame = rq->sector;
-
- ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
- sector_div(frame, queue_hardsect_size(drive->queue) >> SECTOR_BITS);