There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
---
drivers/ide/Makefile | 2
drivers/ide/ide-cd.c | 271 +--------------------------------------------
drivers/ide/ide-cd.h | 17 ++
drivers/ide/ide-cd_ioctl.c | 265 ++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 290 insertions(+), 265 deletions(-)
Index: b/drivers/ide/Makefile
===================================================================
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -40,7 +40,7 @@ obj-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp
obj-$(CONFIG_IDE_H8300) += h8300/
obj-$(CONFIG_IDE_GENERIC) += ide-generic.o
-ide-cd_mod-y += ide-cd.o ide-cd_verbose.o
+ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk.o
obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd_mod.o
Index: b/drivers/ide/ide-cd.c
===================================================================
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -206,7 +206,7 @@ void cdrom_analyze_sense_data(ide_drive_
/*
* Initialize a ide-cd packet command request
*/
-static void ide_cd_init_rq(ide_drive_t *drive, struct request *rq)
+void ide_cd_init_rq(ide_drive_t *drive, struct request *rq)
{
struct cdrom_info *cd = drive->driver_data;
@@ -1168,7 +1168,7 @@ static ide_startstop_t cdrom_do_packet_c
return cdrom_start_packet_command(drive, len, cdrom_do_pc_continuation);
}
-static int ide_cd_queue_pc(ide_drive_t *drive, struct request *rq)
+int ide_cd_queue_pc(ide_drive_t *drive, struct request *rq)
{
struct request_sense sense;
int retries = 10;
@@ -1664,8 +1664,8 @@ static int cdrom_check_status(ide_drive_
}
/* Lock the door if LOCKFLAG is nonzero; unlock it otherwise. */
-static int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
- struct request_sense *sense)
+int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
+ struct request_sense *sense)
{
struct cdrom_info *cd = drive->driver_data;
struct request_sense my_sense;
@@ -1796,9 +1796,8 @@ static int cdrom_read_tocentry(ide_drive
return ide_cd_queue_pc(drive, &req);
}
-
/* Try to read the entire TOC for the disk into our internal buffer. */
-static int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense)
+int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense)
{
int stat, ntracks, i;
struct cdrom_info *info = drive->driver_data;
@@ -1958,112 +1957,6 @@ static int ide_cd_read_toc(ide_drive_t *
return 0;
}
-static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg)
-{
- struct cdrom_info *cd = drive->driver_data;
- struct cdrom_tochdr *tochdr = arg;
- struct atapi_toc *toc;
- int stat;
-
- /* Make sure our saved TOC is valid. */
- stat = ide_cd_read_toc(drive, NULL);
- if (stat)
- return stat;
-
- toc = cd->toc;
- tochdr->cdth_trk0 = toc->hdr.first_track;
- tochdr->cdth_trk1 = toc->hdr.last_track;
-
- return 0;
-}
-
-static int ide_cd_get_toc_entry(ide_drive_t *drive, int track,
- struct atapi_toc_entry **ent)
-{
- struct cdrom_info *info = drive->driver_data;
- struct atapi_toc *toc = info->toc;
- int ntracks;
-
- /*
- * don't serve cached data, if the toc isn't valid
- */
- if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0)
- return -EINVAL;
-
- /* Check validity of requested track number. */
- ntracks = toc->hdr.last_track - toc->hdr.first_track + 1;
-
- if (toc->hdr.first_track == CDROM_LEADOUT)
- ntracks = 0;
-
- if (track == CDROM_LEADOUT)
- *ent = &toc->ent[ntracks];
- else if (track < toc->hdr.first_track || track > toc->hdr.last_track)
- return -EINVAL;
- else
- *ent = &toc->ent[track - toc->hdr.first_track];
-
- return 0;
-}
-
-static int ide_cd_read_tocentry(ide_drive_t *drive, void *arg)
-{
- struct cdrom_tocentry *tocentry = arg;
- struct atapi_toc_entry *toce;
- int stat;
-
- stat = ide_cd_get_toc_entry(drive, tocentry->cdte_track, &toce);
- if (stat)
- return stat;
-
- tocentry->cdte_ctrl = toce->control;
- tocentry->cdte_adr = toce->adr;
- if (tocentry->cdte_format == CDROM_MSF) {
- lba_to_msf(toce->addr.lba,
- &tocentry->cdte_addr.msf.minute,
- &tocentry->cdte_addr.msf.second,
- &tocentry->cdte_addr.msf.frame);
- } else
- tocentry->cdte_addr.lba = toce->addr.lba;
-
- return 0;
-}
-
-static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg)
-{
- struct cdrom_ti *ti = arg;
- struct atapi_toc_entry *first_toc, *last_toc;
- unsigned long lba_start, lba_end;
- int stat;
- struct request rq;
- struct request_sense sense;
-
- stat = ide_cd_get_toc_entry(drive, ti->cdti_trk0, &first_toc);
- if (stat)
- return stat;
-
- stat = ide_cd_get_toc_entry(drive, ti->cdti_trk1, &last_toc);
- if (stat)
- return stat;
-
- if (ti->cdti_trk1 != CDROM_LEADOUT)
- ++last_toc;
- lba_start = first_toc->addr.lba;
- lba_end = last_toc->addr.lba;
-
- if (lba_end <= lba_start)
- return -EINVAL;
-
- ide_cd_init_rq(drive, &rq);
-
- rq.sense = &sense;
- rq.cmd[0] = GPCMD_PLAY_AUDIO_MSF;
- lba_to_msf(lba_start, &rq.cmd[3], &rq.cmd[4], &rq.cmd[5]);
- lba_to_msf(lba_end - 1, &rq.cmd[6], &rq.cmd[7], &rq.cmd[8]);
-
- return ide_cd_queue_pc(drive, &rq);
-}
-
/* the generic packet interface to cdrom.c */
static int ide_cdrom_packet(struct cdrom_device_info *cdi,
struct packet_command *cgc)
@@ -2095,52 +1988,6 @@ static int ide_cdrom_packet(struct cdrom
return cgc->stat;
}
-static int ide_cdrom_audio_ioctl(struct cdrom_device_info *cdi,
- unsigned int cmd, void *arg)
-{
- ide_drive_t *drive = cdi->handle;
-
- switch (cmd) {
- /*
- * emulate PLAY_AUDIO_TI command with PLAY_AUDIO_10, since
- * atapi doesn't support it
- */
- case CDROMPLAYTRKIND:
- return ide_cd_fake_play_trkind(drive, arg);
- case CDROMREADTOCHDR:
- return ide_cd_read_tochdr(drive, arg);
- case CDROMREADTOCENTRY:
- return ide_cd_read_tocentry(drive, arg);
- default:
- return -EINVAL;
- }
-}
-
-static
-int ide_cdrom_reset (struct cdrom_device_info *cdi)
-{
- ide_drive_t *drive = cdi->handle;
- struct cdrom_info *cd = drive->driver_data;
- struct request_sense sense;
- struct request req;
- int ret;
-
- ide_cd_init_rq(drive, &req);
- req.cmd_type = REQ_TYPE_SPECIAL;
- req.cmd_flags = REQ_QUIET;
- ret = ide_do_drive_cmd(drive, &req, ide_wait);
-
- /*
- * A reset will unlock the door. If it was previously locked,
- * lock it again.
- */
- if (cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED)
- (void)ide_cd_lockdoor(drive, 1, &sense);
-
- return ret;
-}
-
-
static
int ide_cdrom_tray_move (struct cdrom_device_info *cdi, int position)
{
@@ -2157,15 +2004,7 @@ int ide_cdrom_tray_move (struct cdrom_de
return cdrom_eject(drive, !position, &sense);
}
-static
-int ide_cdrom_lock_door (struct cdrom_device_info *cdi, int lock)
-{
- ide_drive_t *drive = cdi->handle;
-
- return ide_cd_lockdoor(drive, lock, NULL);
-}
-
-static int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)
+int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)
{
struct cdrom_info *info = drive->driver_data;
struct cdrom_device_info *cdi = &info->devinfo;
@@ -2184,7 +2023,7 @@ static int ide_cdrom_get_capabilities(id
return stat;
}
-static void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
+void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
{
struct cdrom_info *cd = drive->driver_data;
u16 curspeed, maxspeed;
@@ -2205,49 +2044,6 @@ static void ide_cdrom_update_speed(ide_d
}
/*
- * ATAPI devices are free to select the speed you request or any slower
- * rate. :-( Requesting too fast a speed will _not_ produce an error.
- */
-static int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed)
-{
- ide_drive_t *drive = cdi->handle;
- struct cdrom_info *cd = drive->driver_data;
- struct request rq;
- struct request_sense sense;
- u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE];
- int stat;
-
- ide_cd_init_rq(drive, &rq);
-
- rq.sense = &sense;
-
- if (speed == 0)
- speed = 0xffff; /* set to max */
- else
- speed *= 177; /* Nx to kbytes/s */
-
- rq.cmd[0] = GPCMD_SET_SPEED;
- /* Read Drive speed in kbytes/second MSB/LSB */
- rq.cmd[2] = (speed >> 8) & 0xff;
- rq.cmd[3] = speed & 0xff;
- if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) !=
- (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) {
- /* Write Drive speed in kbytes/second MSB/LSB */
- rq.cmd[4] = (speed >> 8) & 0xff;
- rq.cmd[5] = speed & 0xff;
- }
-
- stat = ide_cd_queue_pc(drive, &rq);
-
- if (!ide_cdrom_get_capabilities(drive, buf)) {
- ide_cdrom_update_speed(drive, buf);
- cdi->speed = cd->current_speed;
- }
-
- return 0;
-}
-
-/*
* add logic to try GET_EVENT command first to check for media and tray
* status. this should be supported by newer cd-r/w and all DVD etc
* drives
@@ -2293,59 +2089,6 @@ int ide_cdrom_drive_status (struct cdrom
return CDS_DRIVE_NOT_READY;
}
-static
-int ide_cdrom_get_last_session (struct cdrom_device_info *cdi,
- struct cdrom_multisession *ms_info)
-{
- struct atapi_toc *toc;
- ide_drive_t *drive = cdi->handle;
- struct cdrom_info *info = drive->driver_data;
- struct request_sense sense;
- int ret;
-
- if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0 || !info->toc) {
- ret = ide_cd_read_toc(drive, &sense);
- if (ret)
- return ret;
- }
-
- toc = info->toc;
- ms_info->addr.lba = toc->last_session_lba;
- ms_info->xa_flag = toc->xa_flag;
-
- return 0;
-}
-
-static int ide_cdrom_get_mcn(struct cdrom_device_info *cdi,
- struct cdrom_mcn *mcn_info)
-{
- ide_drive_t *drive = cdi->handle;
- int stat, mcnlen;
- struct request rq;
- char buf[24];
-
- ide_cd_init_rq(drive, &rq);
-
- rq.data = buf;
- rq.data_len = sizeof(buf);
-
- rq.cmd[0] = GPCMD_READ_SUBCHANNEL;
- rq.cmd[1] = 2; /* MSF addressing */
- rq.cmd[2] = 0x40; /* request subQ data */
- rq.cmd[3] = 2; /* format */
- rq.cmd[8] = sizeof(buf);
-
- stat = ide_cd_queue_pc(drive, &rq);
- if (stat)
- return stat;
-
- mcnlen = sizeof(mcn_info->medium_catalog_number) - 1;
- memcpy(mcn_info->medium_catalog_number, buf + 9, mcnlen);
- mcn_info->medium_catalog_number[mcnlen] = '\0';
-
- return 0;
-}
-
/****************************************************************************
* Other driver requests (open, close, check media change).
*/
Index: b/drivers/ide/ide-cd.h
===================================================================
--- a/drivers/ide/ide-cd.h
+++ b/drivers/ide/ide-cd.h
@@ -148,4 +148,21 @@ struct cdrom_info {
/* ide-cd_verbose.c */
void ide_cd_log_error(const char *, struct request *, struct request_sense *);
+/* ide-cd.c functions used by ide-cd_ioctl.c */
+void ide_cd_init_rq(ide_drive_t *, struct request *);
+int ide_cd_queue_pc(ide_drive_t *, struct request *);
+int ide_cd_lockdoor(ide_drive_t *, int, struct request_sense *);
+int ide_cd_read_toc(ide_drive_t *, struct request_sense *);
+int ide_cdrom_get_capabilities(ide_drive_t *, u8 *);
+void ide_cdrom_update_speed(ide_drive_t *, u8 *);
+
+/* ide-cd_ioctl.c */
+int ide_cdrom_lock_door(struct cdrom_device_info *, int);
+int ide_cdrom_select_speed(struct cdrom_device_info *, int);
+int ide_cdrom_get_last_session(struct cdrom_device_info *,
+ struct cdrom_multisession *);
+int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
+int ide_cdrom_reset(struct cdrom_device_info *cdi);
+int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
+
#endif /* _IDE_CD_H */
Index: b/drivers/ide/ide-cd_ioctl.c
===================================================================
--- /dev/null
+++ b/drivers/ide/ide-cd_ioctl.c
@@ -0,0 +1,265 @@
+/*
+ * cdrom.c IOCTLs handling for ide-cd driver.
+ *
+ * Copyright (C) 1994-1996 Scott Snyder <[email protected]>
+ * Copyright (C) 1996-1998 Erik Andersen <[email protected]>
+ * Copyright (C) 1998-2000 Jens Axboe <[email protected]>
+ */
+
+#include <linux/kernel.h>
+#include <linux/cdrom.h>
+#include <linux/ide.h>
+
+#include "ide-cd.h"
+
+int ide_cdrom_lock_door(struct cdrom_device_info *cdi, int lock)
+{
+ ide_drive_t *drive = cdi->handle;
+
+ return ide_cd_lockdoor(drive, lock, NULL);
+}
+
+/*
+ * ATAPI devices are free to select the speed you request or any slower
+ * rate. :-( Requesting too fast a speed will _not_ produce an error.
+ */
+int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed)
+{
+ ide_drive_t *drive = cdi->handle;
+ struct cdrom_info *cd = drive->driver_data;
+ struct request rq;
+ struct request_sense sense;
+ u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE];
+ int stat;
+
+ ide_cd_init_rq(drive, &rq);
+
+ rq.sense = &sense;
+
+ if (speed == 0)
+ speed = 0xffff; /* set to max */
+ else
+ speed *= 177; /* Nx to kbytes/s */
+
+ rq.cmd[0] = GPCMD_SET_SPEED;
+ /* Read Drive speed in kbytes/second MSB/LSB */
+ rq.cmd[2] = (speed >> 8) & 0xff;
+ rq.cmd[3] = speed & 0xff;
+ if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) !=
+ (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) {
+ /* Write Drive speed in kbytes/second MSB/LSB */
+ rq.cmd[4] = (speed >> 8) & 0xff;
+ rq.cmd[5] = speed & 0xff;
+ }
+
+ stat = ide_cd_queue_pc(drive, &rq);
+
+ if (!ide_cdrom_get_capabilities(drive, buf)) {
+ ide_cdrom_update_speed(drive, buf);
+ cdi->speed = cd->current_speed;
+ }
+
+ return 0;
+}
+
+int ide_cdrom_get_last_session(struct cdrom_device_info *cdi,
+ struct cdrom_multisession *ms_info)
+{
+ struct atapi_toc *toc;
+ ide_drive_t *drive = cdi->handle;
+ struct cdrom_info *info = drive->driver_data;
+ struct request_sense sense;
+ int ret;
+
+ if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0 || !info->toc) {
+ ret = ide_cd_read_toc(drive, &sense);
+ if (ret)
+ return ret;
+ }
+
+ toc = info->toc;
+ ms_info->addr.lba = toc->last_session_lba;
+ ms_info->xa_flag = toc->xa_flag;
+
+ return 0;
+}
+
+int ide_cdrom_get_mcn(struct cdrom_device_info *cdi,
+ struct cdrom_mcn *mcn_info)
+{
+ ide_drive_t *drive = cdi->handle;
+ int stat, mcnlen;
+ struct request rq;
+ char buf[24];
+
+ ide_cd_init_rq(drive, &rq);
+
+ rq.data = buf;
+ rq.data_len = sizeof(buf);
+
+ rq.cmd[0] = GPCMD_READ_SUBCHANNEL;
+ rq.cmd[1] = 2; /* MSF addressing */
+ rq.cmd[2] = 0x40; /* request subQ data */
+ rq.cmd[3] = 2; /* format */
+ rq.cmd[8] = sizeof(buf);
+
+ stat = ide_cd_queue_pc(drive, &rq);
+ if (stat)
+ return stat;
+
+ mcnlen = sizeof(mcn_info->medium_catalog_number) - 1;
+ memcpy(mcn_info->medium_catalog_number, buf + 9, mcnlen);
+ mcn_info->medium_catalog_number[mcnlen] = '\0';
+
+ return 0;
+}
+
+int ide_cdrom_reset(struct cdrom_device_info *cdi)
+{
+ ide_drive_t *drive = cdi->handle;
+ struct cdrom_info *cd = drive->driver_data;
+ struct request_sense sense;
+ struct request req;
+ int ret;
+
+ ide_cd_init_rq(drive, &req);
+ req.cmd_type = REQ_TYPE_SPECIAL;
+ req.cmd_flags = REQ_QUIET;
+ ret = ide_do_drive_cmd(drive, &req, ide_wait);
+
+ /*
+ * A reset will unlock the door. If it was previously locked,
+ * lock it again.
+ */
+ if (cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED)
+ (void)ide_cd_lockdoor(drive, 1, &sense);
+
+ return ret;
+}
+
+static int ide_cd_get_toc_entry(ide_drive_t *drive, int track,
+ struct atapi_toc_entry **ent)
+{
+ struct cdrom_info *info = drive->driver_data;
+ struct atapi_toc *toc = info->toc;
+ int ntracks;
+
+ /*
+ * don't serve cached data, if the toc isn't valid
+ */
+ if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0)
+ return -EINVAL;
+
+ /* Check validity of requested track number. */
+ ntracks = toc->hdr.last_track - toc->hdr.first_track + 1;
+
+ if (toc->hdr.first_track == CDROM_LEADOUT)
+ ntracks = 0;
+
+ if (track == CDROM_LEADOUT)
+ *ent = &toc->ent[ntracks];
+ else if (track < toc->hdr.first_track || track > toc->hdr.last_track)
+ return -EINVAL;
+ else
+ *ent = &toc->ent[track - toc->hdr.first_track];
+
+ return 0;
+}
+
+static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg)
+{
+ struct cdrom_ti *ti = arg;
+ struct atapi_toc_entry *first_toc, *last_toc;
+ unsigned long lba_start, lba_end;
+ int stat;
+ struct request rq;
+ struct request_sense sense;
+
+ stat = ide_cd_get_toc_entry(drive, ti->cdti_trk0, &first_toc);
+ if (stat)
+ return stat;
+
+ stat = ide_cd_get_toc_entry(drive, ti->cdti_trk1, &last_toc);
+ if (stat)
+ return stat;
+
+ if (ti->cdti_trk1 != CDROM_LEADOUT)
+ ++last_toc;
+ lba_start = first_toc->addr.lba;
+ lba_end = last_toc->addr.lba;
+
+ if (lba_end <= lba_start)
+ return -EINVAL;
+
+ ide_cd_init_rq(drive, &rq);
+
+ rq.sense = &sense;
+ rq.cmd[0] = GPCMD_PLAY_AUDIO_MSF;
+ lba_to_msf(lba_start, &rq.cmd[3], &rq.cmd[4], &rq.cmd[5]);
+ lba_to_msf(lba_end - 1, &rq.cmd[6], &rq.cmd[7], &rq.cmd[8]);
+
+ return ide_cd_queue_pc(drive, &rq);
+}
+
+static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg)
+{
+ struct cdrom_info *cd = drive->driver_data;
+ struct cdrom_tochdr *tochdr = arg;
+ struct atapi_toc *toc;
+ int stat;
+
+ /* Make sure our saved TOC is valid. */
+ stat = ide_cd_read_toc(drive, NULL);
+ if (stat)
+ return stat;
+
+ toc = cd->toc;
+ tochdr->cdth_trk0 = toc->hdr.first_track;
+ tochdr->cdth_trk1 = toc->hdr.last_track;
+
+ return 0;
+}
+
+static int ide_cd_read_tocentry(ide_drive_t *drive, void *arg)
+{
+ struct cdrom_tocentry *tocentry = arg;
+ struct atapi_toc_entry *toce;
+ int stat;
+
+ stat = ide_cd_get_toc_entry(drive, tocentry->cdte_track, &toce);
+ if (stat)
+ return stat;
+
+ tocentry->cdte_ctrl = toce->control;
+ tocentry->cdte_adr = toce->adr;
+ if (tocentry->cdte_format == CDROM_MSF) {
+ lba_to_msf(toce->addr.lba,
+ &tocentry->cdte_addr.msf.minute,
+ &tocentry->cdte_addr.msf.second,
+ &tocentry->cdte_addr.msf.frame);
+ } else
+ tocentry->cdte_addr.lba = toce->addr.lba;
+
+ return 0;
+}
+
+int ide_cdrom_audio_ioctl(struct cdrom_device_info *cdi,
+ unsigned int cmd, void *arg)
+{
+ ide_drive_t *drive = cdi->handle;
+
+ switch (cmd) {
+ /*
+ * emulate PLAY_AUDIO_TI command with PLAY_AUDIO_10, since
+ * atapi doesn't support it
+ */
+ case CDROMPLAYTRKIND:
+ return ide_cd_fake_play_trkind(drive, arg);
+ case CDROMREADTOCHDR:
+ return ide_cd_read_tochdr(drive, arg);
+ case CDROMREADTOCENTRY:
+ return ide_cd_read_tocentry(drive, arg);
+ default:
+ return -EINVAL;
+ }
+}
--
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