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Add MMC START STOP interface.

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rocky
2005-03-09 10:23:01 +00:00
parent 912ab1082d
commit 8e8c54a457
3 changed files with 401 additions and 349 deletions
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82
lib/driver/mmc.c
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@@ -1,6 +1,6 @@
/* Common Multimedia Command (MMC) routines.
$Id: mmc.c,v 1.21 2005/03/06 02:59:26 rocky Exp $
$Id: mmc.c,v 1.22 2005/03/09 10:23:03 rocky Exp $
Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -521,7 +521,7 @@ mmc_set_blocksize_private ( void *p_env,
************************************************************/
/*!
Return the number of length in bytes of the Command Descriptor
buffer (CDB) for a given SCSI MMC command. The length will be
buffer (CDB) for a given MMC command. The length will be
either 6, 10, or 12.
*/
uint8_t
@@ -623,7 +623,7 @@ mmc_audio_read_subchannel (CdIo_t *p_cdio, cdio_subchannel_t *p_subchannel)
command.
Information was obtained from Section 5.1.13 (Read TOC/PMA/ATIP)
pages 56-62 from the SCSI MMC draft specification, revision 10a
pages 56-62 from the MMC draft specification, revision 10a
at http://www.t10.org/ftp/t10/drafts/mmc/mmc-r10a.pdf See
especially tables 72, 73 and 75.
*/
@@ -744,14 +744,14 @@ mmc_get_dvd_struct_physical ( const CdIo_t *p_cdio, cdio_dvd_struct_t *s)
}
/*!
Get the CD-ROM hardware info via a SCSI MMC INQUIRY command.
Get the CD-ROM hardware info via a MMC INQUIRY command.
False is returned if we had an error getting the information.
*/
bool
mmc_get_hwinfo ( const CdIo_t *p_cdio,
/*out*/ cdio_hwinfo_t *hw_info )
{
int i_status; /* Result of SCSI MMC command */
int i_status; /* Result of MMC command */
char buf[36] = { 0, }; /* Place to hold returned data */
mmc_cdb_t cdb = {{0, }}; /* Command Descriptor Block */
@@ -823,7 +823,7 @@ mmc_get_mcn ( const CdIo_t *p_cdio )
}
/*!
Run a SCSI MMC command.
Run a MMC command.
cdio CD structure set by cdio_open().
i_timeout time in milliseconds we will wait for the command
@@ -892,7 +892,51 @@ mmc_get_blocksize ( CdIo_t *p_cdio)
/*!
* Eject using SCSI MMC commands. Return 0 if successful.
* Load or Unload media using a MMC START STOP command.
*/
driver_return_code_t
mmc_start_stop_media(const CdIo_t *p_cdio, bool b_eject, bool b_immediate,
uint8_t power_condition)
{
mmc_cdb_t cdb = {{0, }};
uint8_t buf[1];
if ( ! p_cdio ) return DRIVER_OP_UNINIT;
if ( ! p_cdio->op.run_mmc_cmd ) return DRIVER_OP_UNSUPPORTED;
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_START_STOP);
if (b_immediate) cdb.field[1] |= 1;
if (power_condition)
cdb.field[4] = power_condition << 4;
else {
if (b_eject)
cdb.field[4] = 2; /* eject */
else
cdb.field[4] = 3; /* close tray for tray-type */
}
return p_cdio->op.run_mmc_cmd (p_cdio->env, DEFAULT_TIMEOUT_MS,
mmc_get_cmd_len(cdb.field[0]), &cdb,
SCSI_MMC_DATA_WRITE, 0, &buf);
}
#if 0
/*!
* Close tray using a MMC START STOP command.
*/
driver_return_code_t
mmc_close_tray( const CdIo_t *p_cdio )
{
return mmc_start_stop_media(p_cdio, false, false, 0);
}
#endif
/*!
Eject using MMC commands. If CD-ROM is "locked" we'll unlock it.
Command is not "immediate" -- we'll wait for the command to complete.
For a more general (and lower-level) routine, @see mmc_start_stop_media.
*/
driver_return_code_t
mmc_eject_media( const CdIo_t *p_cdio )
@@ -900,34 +944,18 @@ mmc_eject_media( const CdIo_t *p_cdio )
int i_status = 0;
mmc_cdb_t cdb = {{0, }};
uint8_t buf[1];
mmc_run_cmd_fn_t run_mmc_cmd;
if ( ! p_cdio ) return DRIVER_OP_UNINIT;
if ( ! p_cdio->op.run_mmc_cmd ) return DRIVER_OP_UNSUPPORTED;
run_mmc_cmd = p_cdio->op.run_mmc_cmd;
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_ALLOW_MEDIUM_REMOVAL);
i_status = run_mmc_cmd (p_cdio->env, DEFAULT_TIMEOUT_MS,
mmc_get_cmd_len(cdb.field[0]), &cdb,
SCSI_MMC_DATA_WRITE, 0, &buf);
i_status = p_cdio->op.run_mmc_cmd (p_cdio->env, DEFAULT_TIMEOUT_MS,
mmc_get_cmd_len(cdb.field[0]), &cdb,
SCSI_MMC_DATA_WRITE, 0, &buf);
if (0 != i_status) return i_status;
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_START_STOP);
cdb.field[4] = 1;
i_status = run_mmc_cmd (p_cdio->env, DEFAULT_TIMEOUT_MS,
mmc_get_cmd_len(cdb.field[0]), &cdb,
SCSI_MMC_DATA_WRITE, 0, &buf);
if (0 != i_status)
return i_status;
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_START_STOP);
cdb.field[4] = 2; /* eject */
return run_mmc_cmd (p_cdio->env, DEFAULT_TIMEOUT_MS,
mmc_get_cmd_len(cdb.field[0]), &cdb,
SCSI_MMC_DATA_WRITE, 0, &buf);
return mmc_start_stop_media(p_cdio, true, false, 0);
}