65 		if (ide_device_get(cd->drive))  in ide_cd_get()
77 	ide_drive_t *drive = cd->drive;  in ide_cd_put()  local
81 	ide_device_put(drive);  in ide_cd_put()
90 static void cdrom_saw_media_change(ide_drive_t *drive)  in cdrom_saw_media_change()  argument
92 	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;  in cdrom_saw_media_change()
93 	drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID;  in cdrom_saw_media_change()
96 static int cdrom_log_sense(ide_drive_t *drive, struct request *rq)  in cdrom_log_sense()  argument
98 	struct request_sense *sense = &drive->sense_data;  in cdrom_log_sense()
134 		cdrom_saw_media_change(drive);  in cdrom_log_sense()
143 static void cdrom_analyze_sense_data(ide_drive_t *drive,  in cdrom_analyze_sense_data()  argument
146 	struct request_sense *sense = &drive->sense_data;  in cdrom_analyze_sense_data()
147 	struct cdrom_info *info = drive->driver_data;  in cdrom_analyze_sense_data()
158 	if (!cdrom_log_sense(drive, failed_command))  in cdrom_analyze_sense_data()
186 			if (queue_logical_block_size(drive->queue) == 2048)  in cdrom_analyze_sense_data()
202 			    drive->probed_capacity - sector < 4 * 75)  in cdrom_analyze_sense_data()
207 	ide_cd_log_error(drive->name, failed_command, sense);  in cdrom_analyze_sense_data()
210 static void ide_cd_complete_failed_rq(ide_drive_t *drive, struct request *rq)  in ide_cd_complete_failed_rq()  argument
231 		cdrom_analyze_sense_data(drive, failed);  in ide_cd_complete_failed_rq()
233 		if (ide_end_rq(drive, failed, -EIO, blk_rq_bytes(failed)))  in ide_cd_complete_failed_rq()
236 		cdrom_analyze_sense_data(drive, NULL);  in ide_cd_complete_failed_rq()
247 static int ide_cd_breathe(ide_drive_t *drive, struct request *rq)  in ide_cd_breathe()  argument
250 	struct cdrom_info *info = drive->driver_data;  in ide_cd_breathe()
263 		blk_delay_queue(drive->queue, 1);  in ide_cd_breathe()
274 static int cdrom_decode_status(ide_drive_t *drive, u8 stat)  in cdrom_decode_status()  argument
276 	ide_hwif_t *hwif = drive->hwif;  in cdrom_decode_status()
281 	err = ide_read_error(drive);  in cdrom_decode_status()
308 			if (ide_cd_breathe(drive, rq))  in cdrom_decode_status()
311 			cdrom_saw_media_change(drive);  in cdrom_decode_status()
316 					drive->name);  in cdrom_decode_status()
321 		cdrom_saw_media_change(drive);  in cdrom_decode_status()
350 			ide_dump_status(drive, "command error", stat);  in cdrom_decode_status()
359 			ide_dump_status(drive, "media error "  in cdrom_decode_status()
366 			ide_dump_status(drive, "media error (blank)",  in cdrom_decode_status()
375 			ide_error(drive, "cdrom_decode_status", stat);  in cdrom_decode_status()
396 		return ide_queue_sense_rq(drive, NULL) ? 2 : 1;  in cdrom_decode_status()
402 		return ide_queue_sense_rq(drive, rq) ? 2 : 1;  in cdrom_decode_status()
407 static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct ide_cmd *cmd)  in ide_cd_request_sense_fixup()  argument
422 int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd,  in ide_cd_queue_pc()  argument
427 	struct cdrom_info *info = drive->driver_data;  in ide_cd_queue_pc()
444 		rq = blk_get_request(drive->queue, write, __GFP_RECLAIM);  in ide_cd_queue_pc()
452 			error = blk_rq_map_kern(drive->queue, rq, buffer,  in ide_cd_queue_pc()
460 		error = blk_execute_rq(drive->queue, info->disk, rq, 0);  in ide_cd_queue_pc()
480 				cdrom_saw_media_change(drive);  in ide_cd_queue_pc()
506 static bool ide_cd_error_cmd(ide_drive_t *drive, struct ide_cmd *cmd)  in ide_cd_error_cmd()  argument
514 		ide_complete_rq(drive, 0, nr_bytes);  in ide_cd_error_cmd()
521 static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)  in cdrom_newpc_intr()  argument
523 	ide_hwif_t *hwif = drive->hwif;  in cdrom_newpc_intr()
537 	dma = drive->dma;  in cdrom_newpc_intr()
539 		drive->dma = 0;  in cdrom_newpc_intr()
540 		drive->waiting_for_dma = 0;  in cdrom_newpc_intr()
541 		dma_error = hwif->dma_ops->dma_end(drive);  in cdrom_newpc_intr()
542 		ide_dma_unmap_sg(drive, cmd);  in cdrom_newpc_intr()
544 			printk(KERN_ERR PFX "%s: DMA %s error\n", drive->name,  in cdrom_newpc_intr()
546 			ide_dma_off(drive);  in cdrom_newpc_intr()
554 		rc = cdrom_decode_status(drive, stat);  in cdrom_newpc_intr()
565 			return ide_error(drive, "dma error", stat);  in cdrom_newpc_intr()
570 	ide_read_bcount_and_ireason(drive, &len, &ireason);  in cdrom_newpc_intr()
589 					"(%u bytes)\n", drive->name, __func__,  in cdrom_newpc_intr()
596 			ide_cd_request_sense_fixup(drive, cmd);  in cdrom_newpc_intr()
605 				ide_pio_bytes(drive, cmd, write, thislen);  in cdrom_newpc_intr()
615 	rc = ide_check_ireason(drive, rq, len, ireason, write);  in cdrom_newpc_intr()
632 		ide_pio_bytes(drive, cmd, write, blen);  in cdrom_newpc_intr()
645 			ide_pad_transfer(drive, write, len);  in cdrom_newpc_intr()
648 				drive->name);  in cdrom_newpc_intr()
662 	ide_set_handler(drive, cdrom_newpc_intr, timeout);  in cdrom_newpc_intr()
672 			ide_cd_complete_failed_rq(drive, rq);  in cdrom_newpc_intr()
683 			if (ide_cd_error_cmd(drive, cmd))  in cdrom_newpc_intr()
693 		ide_complete_rq(drive, uptodate ? 0 : -EIO, blk_rq_bytes(rq));  in cdrom_newpc_intr()
696 			ide_error(drive, "request sense failure", stat);  in cdrom_newpc_intr()
701 static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)  in cdrom_start_rw()  argument
703 	struct cdrom_info *cd = drive->driver_data;  in cdrom_start_rw()
704 	struct request_queue *q = drive->queue;  in cdrom_start_rw()
731 	drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);  in cdrom_start_rw()
741 static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)  in cdrom_do_block_pc()  argument
752 	drive->dma = 0;  in cdrom_do_block_pc()
756 		struct request_queue *q = drive->queue;  in cdrom_do_block_pc()
760 		drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);  in cdrom_do_block_pc()
772 			drive->dma = 0;  in cdrom_do_block_pc()
776 static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,  in ide_cd_do_request()  argument
786 	if (drive->debug_mask & IDE_DBG_RQ)  in ide_cd_do_request()
791 		if (cdrom_start_rw(drive, rq) == ide_stopped)  in ide_cd_do_request()
800 		cdrom_do_block_pc(drive, rq);  in ide_cd_do_request()
811 	ide_prep_sense(drive, rq);  in ide_cd_do_request()
822 		ide_map_sg(drive, &cmd);  in ide_cd_do_request()
825 	return ide_issue_pc(drive, &cmd);  in ide_cd_do_request()
832 	ide_complete_rq(drive, uptodate ? 0 : -EIO, nsectors << 9);  in ide_cd_do_request()
853 int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense)  in cdrom_check_status()  argument
855 	struct cdrom_info *info = drive->driver_data;  in cdrom_check_status()
870 	return ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, sense, 0, REQ_QUIET);  in cdrom_check_status()
873 static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,  in cdrom_read_capacity()  argument
892 	stat = ide_cd_queue_pc(drive, cmd, 0, &capbuf, &len, sense, 0,  in cdrom_read_capacity()
913 				drive->name, blocklen);  in cdrom_read_capacity()
927 static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag,  in cdrom_read_tocentry()  argument
946 	return ide_cd_queue_pc(drive, cmd, 0, buf, &buflen, sense, 0, REQ_QUIET);  in cdrom_read_tocentry()
950 int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense)  in ide_cd_read_toc()  argument
953 	struct cdrom_info *info = drive->driver_data;  in ide_cd_read_toc()
970 					drive->name);  in ide_cd_read_toc()
980 	(void) cdrom_check_status(drive, sense);  in ide_cd_read_toc()
982 	if (drive->atapi_flags & IDE_AFLAG_TOC_VALID)  in ide_cd_read_toc()
986 	stat = cdrom_read_capacity(drive, &toc->capacity, &sectors_per_frame,  in ide_cd_read_toc()
993 	drive->probed_capacity = toc->capacity * sectors_per_frame;  in ide_cd_read_toc()
995 	blk_queue_logical_block_size(drive->queue,  in ide_cd_read_toc()
999 	stat = cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr,  in ide_cd_read_toc()
1004 	if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) {  in ide_cd_read_toc()
1016 	stat = cdrom_read_tocentry(drive, toc->hdr.first_track, 1, 0,  in ide_cd_read_toc()
1036 		stat = cdrom_read_tocentry(drive, CDROM_LEADOUT, 1, 0,  in ide_cd_read_toc()
1045 		if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) {  in ide_cd_read_toc()
1059 	if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD) {  in ide_cd_read_toc()
1065 		if (drive->atapi_flags & IDE_AFLAG_TOCADDR_AS_BCD) {  in ide_cd_read_toc()
1066 			if (drive->atapi_flags & IDE_AFLAG_TOCTRACKS_AS_BCD)  in ide_cd_read_toc()
1077 		stat = cdrom_read_tocentry(drive, 0, 0, 1, (char *)&ms_tmp,  in ide_cd_read_toc()
1089 	if (drive->atapi_flags & IDE_AFLAG_TOCADDR_AS_BCD) {  in ide_cd_read_toc()
1091 		stat = cdrom_read_tocentry(drive, 0, 1, 1, (char *)&ms_tmp,  in ide_cd_read_toc()
1109 		drive->probed_capacity = toc->capacity * sectors_per_frame;  in ide_cd_read_toc()
1113 	drive->atapi_flags |= IDE_AFLAG_TOC_VALID;  in ide_cd_read_toc()
1118 int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)  in ide_cdrom_get_capabilities()  argument
1120 	struct cdrom_info *info = drive->driver_data;  in ide_cdrom_get_capabilities()
1127 	if ((drive->atapi_flags & IDE_AFLAG_FULL_CAPS_PAGE) == 0)  in ide_cdrom_get_capabilities()
1140 void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)  in ide_cdrom_update_speed()  argument
1142 	struct cdrom_info *cd = drive->driver_data;  in ide_cdrom_update_speed()
1147 	if (drive->atapi_flags & IDE_AFLAG_LE_SPEED_FIELDS) {  in ide_cdrom_update_speed()
1185 static int ide_cdrom_register(ide_drive_t *drive, int nslots)  in ide_cdrom_register()  argument
1187 	struct cdrom_info *info = drive->driver_data;  in ide_cdrom_register()
1195 	devinfo->handle = drive;  in ide_cdrom_register()
1196 	strcpy(devinfo->name, drive->name);  in ide_cdrom_register()
1198 	if (drive->atapi_flags & IDE_AFLAG_NO_SPEED_SELECT)  in ide_cdrom_register()
1205 static int ide_cdrom_probe_capabilities(ide_drive_t *drive)  in ide_cdrom_probe_capabilities()  argument
1207 	struct cdrom_info *cd = drive->driver_data;  in ide_cdrom_probe_capabilities()
1214 				     drive->media, drive->atapi_flags);  in ide_cdrom_probe_capabilities()
1220 	if (drive->media == ide_optical) {  in ide_cdrom_probe_capabilities()
1223 				drive->name);  in ide_cdrom_probe_capabilities()
1227 	if (drive->atapi_flags & IDE_AFLAG_PRE_ATAPI12) {  in ide_cdrom_probe_capabilities()
1228 		drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;  in ide_cdrom_probe_capabilities()
1239 	cdi->handle = drive;  in ide_cdrom_probe_capabilities()
1242 	if (ide_cdrom_get_capabilities(drive, buf))  in ide_cdrom_probe_capabilities()
1246 		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;  in ide_cdrom_probe_capabilities()
1248 		drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;  in ide_cdrom_probe_capabilities()
1259 	if ((buf[8 + 4] & 0x01) || (drive->atapi_flags & IDE_AFLAG_PLAY_AUDIO_OK))  in ide_cdrom_probe_capabilities()
1265 	    (drive->atapi_flags & IDE_AFLAG_NO_AUTOCLOSE))  in ide_cdrom_probe_capabilities()
1278 	ide_cdrom_update_speed(drive, buf);  in ide_cdrom_probe_capabilities()
1280 	printk(KERN_INFO PFX "%s: ATAPI", drive->name);  in ide_cdrom_probe_capabilities()
1391 static sector_t ide_cdrom_capacity(ide_drive_t *drive)  in ide_cdrom_capacity()  argument
1395 	if (cdrom_read_capacity(drive, &capacity, &sectors_per_frame, NULL))  in ide_cdrom_capacity()
1403 	ide_drive_t *drive = m->private;  in idecd_capacity_proc_show()  local
1405 	seq_printf(m, "%llu\n", (long long)ide_cdrom_capacity(drive));  in idecd_capacity_proc_show()
1427 static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)  in ide_cd_proc_entries()  argument
1432 static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)  in ide_cd_proc_devsets()  argument
1495 static int ide_cdrom_setup(ide_drive_t *drive)  in ide_cdrom_setup()  argument
1497 	struct cdrom_info *cd = drive->driver_data;  in ide_cdrom_setup()
1499 	struct request_queue *q = drive->queue;  in ide_cdrom_setup()
1500 	u16 *id = drive->id;  in ide_cdrom_setup()
1510 	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;  in ide_cdrom_setup()
1511 	drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id);  in ide_cdrom_setup()
1513 	if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) &&  in ide_cdrom_setup()
1515 		drive->atapi_flags |= (IDE_AFLAG_TOCTRACKS_AS_BCD |  in ide_cdrom_setup()
1517 	else if ((drive->atapi_flags & IDE_AFLAG_VERTOS_600_ESD) &&  in ide_cdrom_setup()
1519 		drive->atapi_flags |= IDE_AFLAG_TOCTRACKS_AS_BCD;  in ide_cdrom_setup()
1520 	else if (drive->atapi_flags & IDE_AFLAG_SANYO_3CD)  in ide_cdrom_setup()
1524 	nslots = ide_cdrom_probe_capabilities(drive);  in ide_cdrom_setup()
1528 	if (ide_cdrom_register(drive, nslots)) {  in ide_cdrom_setup()
1530 				" cdrom driver.\n", drive->name, __func__);  in ide_cdrom_setup()
1535 	ide_proc_register_driver(drive, cd->driver);  in ide_cdrom_setup()
1539 static void ide_cd_remove(ide_drive_t *drive)  in ide_cd_remove()  argument
1541 	struct cdrom_info *info = drive->driver_data;  in ide_cd_remove()
1545 	ide_proc_unregister_driver(drive, info->driver);  in ide_cd_remove()
1558 	ide_drive_t *drive = info->drive;  in ide_cd_release()  local
1564 	if (devinfo->handle == drive)  in ide_cd_release()
1566 	drive->driver_data = NULL;  in ide_cd_release()
1567 	blk_queue_prep_rq(drive->queue, NULL);  in ide_cd_release()
1674 	err = generic_ide_ioctl(info->drive, bdev, cmd, arg);  in idecd_locked_ioctl()
1706 	ide_cd_read_toc(info->drive, &sense);  in idecd_revalidate_disk()
1726 static int ide_cd_probe(ide_drive_t *drive)  in ide_cd_probe()  argument
1733 				     drive->driver_req, drive->media);  in ide_cd_probe()
1735 	if (!strstr("ide-cdrom", drive->driver_req))  in ide_cd_probe()
1738 	if (drive->media != ide_cdrom && drive->media != ide_optical)  in ide_cd_probe()
1741 	drive->debug_mask = debug_mask;  in ide_cd_probe()
1742 	drive->irq_handler = cdrom_newpc_intr;  in ide_cd_probe()
1747 				drive->name);  in ide_cd_probe()
1755 	ide_init_disk(g, drive);  in ide_cd_probe()
1757 	info->dev.parent = &drive->gendev;  in ide_cd_probe()
1759 	dev_set_name(&info->dev, "%s", dev_name(&drive->gendev));  in ide_cd_probe()
1764 	info->drive = drive;  in ide_cd_probe()
1770 	drive->driver_data = info;  in ide_cd_probe()
1774 	if (ide_cdrom_setup(drive)) {  in ide_cd_probe()
1779 	ide_cd_read_toc(drive, &sense);  in ide_cd_probe()
1782 	device_add_disk(&drive->gendev, g);  in ide_cd_probe()