aa7f7e1315
for making it a library.
mmc.h: CDIO_MMC_GPCMD_ALLOW_MEDIUM_REMOVAL ->
CDIO_MMC_GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL
mmc.c: Move mm_eject_media and mmc_set_drive_speed to mmc/mmc_hl_cmds.c
mmc_ll_cmds.c: add mmc_prevent_allow_medium_removal,
move mmc_mode_sense to mmc/mmc_hl_cmds.c
92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
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"Higher-level" Multimedia Command (MMC) commands which build on
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the "lower-level" commands.
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Copyright (C) 2010 Rocky Bernstein <rocky@gnu.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <cdio/cdio.h>
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#include <cdio/mmc_cmds.h>
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/**
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Eject using MMC commands. If CD-ROM is "locked" we'll unlock it.
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Command is not "immediate" -- we'll wait for the command to complete.
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For a more general (and lower-level) routine, @see mmc_start_stop_media.
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@param p_cdio the CD object to be acted upon.
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@return DRIVER_OP_SUCCESS (0) if we got the status.
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return codes are the same as driver_return_code_t
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*/
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driver_return_code_t
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mmc_eject_media( const CdIo_t *p_cdio )
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{
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int i_status = 0;
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i_status = mmc_prevent_allow_medium_removal(p_cdio, false, false, 0);
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if (0 != i_status) return i_status;
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return mmc_start_stop_unit(p_cdio, true, false, 0, 0);
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}
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/**
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Run a SCSI-MMC MMC MODE SENSE command (6- or 10-byte version)
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and put the results in p_buf
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@param p_cdio the CD object to be acted upon.
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@param p_buf pointer to location to store mode sense information
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@param i_size number of bytes allocated to p_buf
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@param page which "page" of the mode sense command we are interested in
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@return DRIVER_OP_SUCCESS if we ran the command ok.
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*/
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driver_return_code_t
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mmc_mode_sense(CdIo_t *p_cdio, /*out*/ void *p_buf, unsigned int i_size,
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int page)
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{
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/* We used to make a choice as to which routine we'd use based
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cdio_have_atapi(). But since that calls this in its determination,
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we had an infinite recursion. So we can't use cdio_have_atapi()
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(until we put in better capability checks.)
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*/
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if ( DRIVER_OP_SUCCESS == mmc_mode_sense_6(p_cdio, p_buf, i_size, page) )
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return DRIVER_OP_SUCCESS;
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return mmc_mode_sense_10(p_cdio, p_buf, i_size, page);
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}
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/**
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Set the drive speed in CD-ROM speed units.
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@param p_cdio CD structure set by cdio_open().
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@param i_drive_speed speed in CD-ROM speed units. Note this
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not Kbytes/sec as would be used in the MMC spec or
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in mmc_set_speed(). To convert CD-ROM speed units
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to Kbs, multiply the number by 176 (for raw data)
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and by 150 (for filesystem data). On many CD-ROM
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drives, specifying a value too large will result
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in using the fastest speed.
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@return the drive speed if greater than 0. -1 if we had an error. is -2
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returned if this is not implemented for the current driver.
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@see cdio_set_speed and mmc_set_speed
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*/
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driver_return_code_t
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mmc_set_drive_speed( const CdIo_t *p_cdio, int i_drive_speed )
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{
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return mmc_set_speed(p_cdio, i_drive_speed * 176);
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}
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