claunia/libcdio-osx
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Small cleanups

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This commit is contained in:
R. Bernstein
2010-02-06 23:27:46 -05:00
parent f93e673fd5
commit 51f6eb6912
4 changed files with 182 additions and 166 deletions
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164
lib/driver/mmc_cmds.c
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@@ -83,22 +83,22 @@
driver_return_code_t
mmc_get_event_status(const CdIo_t *p_cdio, uint8_t out_buf[2])
{
uint8_t buf[8] = { 0, };
void *p_buf = &buf;
const unsigned int i_size = sizeof(buf);
driver_return_code_t i_status;
MMC_CMD_SETUP_READ16(CDIO_MMC_GPCMD_GET_EVENT_STATUS);
cdb.field[1] = 1; /* We poll for info */
cdb.field[4] = 1 << 4; /* We want Media events */
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ);
if (i_status == DRIVER_OP_SUCCESS) {
out_buf[0] = buf[4];
out_buf[1] = buf[5];
}
return i_status;
uint8_t buf[8] = { 0, };
void *p_buf = &buf;
const unsigned int i_size = sizeof(buf);
driver_return_code_t i_status;
MMC_CMD_SETUP_READ16(CDIO_MMC_GPCMD_GET_EVENT_STATUS);
cdb.field[1] = 1; /* We poll for info */
cdb.field[4] = 1 << 4; /* We want Media events */
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ);
if (i_status == DRIVER_OP_SUCCESS) {
out_buf[0] = buf[4];
out_buf[1] = buf[5];
}
return i_status;
}
/**
@@ -119,9 +119,9 @@ mmc_mode_sense( CdIo_t *p_cdio, /*out*/ void *p_buf, int i_size,
we had an infinite recursion. So we can't use cdio_have_atapi()
(until we put in better capability checks.)
*/
if ( DRIVER_OP_SUCCESS == mmc_mode_sense_6(p_cdio, p_buf, i_size, page) )
return DRIVER_OP_SUCCESS;
return mmc_mode_sense_10(p_cdio, p_buf, i_size, page);
if ( DRIVER_OP_SUCCESS == mmc_mode_sense_6(p_cdio, p_buf, i_size, page) )
return DRIVER_OP_SUCCESS;
return mmc_mode_sense_10(p_cdio, p_buf, i_size, page);
}
/**
@@ -274,50 +274,99 @@ mmc_read_cd(const CdIo_t *p_cdio, void *p_buf1, lsn_t i_lsn,
uint8_t subchannel_selection, uint16_t i_blocksize,
uint32_t i_blocks)
{
void *p_buf = p_buf1;
uint8_t cdb9 = 0;
const unsigned int i_size = i_blocksize * i_blocks;
MMC_CMD_SETUP(CDIO_MMC_GPCMD_READ_CD);
CDIO_MMC_SET_READ_TYPE(cdb.field, read_sector_type);
if (b_digital_audio_play) cdb.field[1] |= 0x2;
if (b_sync) cdb9 |= 128;
if (b_user_data) cdb9 |= 16;
if (b_edc_ecc) cdb9 |= 8;
cdb9 |= (header_codes & 3) << 5;
cdb9 |= (c2_error_information & 3) << 1;
cdb.field[9] = cdb9;
cdb.field[10] = (subchannel_selection & 7);
void *p_buf = p_buf1;
uint8_t cdb9 = 0;
const unsigned int i_size = i_blocksize * i_blocks;
MMC_CMD_SETUP(CDIO_MMC_GPCMD_READ_CD);
CDIO_MMC_SET_READ_TYPE(cdb.field, read_sector_type);
if (b_digital_audio_play) cdb.field[1] |= 0x2;
if (b_sync) cdb9 |= 128;
if (b_user_data) cdb9 |= 16;
if (b_edc_ecc) cdb9 |= 8;
cdb9 |= (header_codes & 3) << 5;
cdb9 |= (c2_error_information & 3) << 1;
cdb.field[9] = cdb9;
cdb.field[10] = (subchannel_selection & 7);
{
unsigned int j = 0;
int i_status = DRIVER_OP_SUCCESS;
while (i_blocks > 0) {
const unsigned i_blocks2 = (i_blocks > MAX_CD_READ_BLOCKS)
? MAX_CD_READ_BLOCKS : i_blocks;
unsigned int j = 0;
int i_status = DRIVER_OP_SUCCESS;
const unsigned int i_size = i_blocksize * i_blocks2;
p_buf = ((char *)p_buf1 ) + (j * i_blocksize);
CDIO_MMC_SET_READ_LBA (cdb.field, (i_lsn+j));
CDIO_MMC_SET_READ_LENGTH24(cdb.field, i_blocks2);
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ);
if (i_status) return i_status;
i_blocks -= i_blocks2;
j += i_blocks2;
}
return i_status;
while (i_blocks > 0) {
const unsigned i_blocks2 = (i_blocks > MAX_CD_READ_BLOCKS)
? MAX_CD_READ_BLOCKS : i_blocks;
const unsigned int i_size = i_blocksize * i_blocks2;
p_buf = ((char *)p_buf1 ) + (j * i_blocksize);
CDIO_MMC_SET_READ_LBA (cdb.field, (i_lsn+j));
CDIO_MMC_SET_READ_LENGTH24(cdb.field, i_blocks2);
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ);
if (i_status) return i_status;
i_blocks -= i_blocks2;
j += i_blocks2;
}
return i_status;
}
}
/**
Load or Unload media using a MMC START STOP command.
Set the drive speed in K bytes per second using SCSI-MMC SET SPEED.
.
@param p_cdio CD structure set by cdio_open().
@param i_Kbs_speed speed in K bytes per second. Note this is
not in standard CD-ROM speed units, e.g.
1x, 4x, 16x as it is in cdio_set_speed.
To convert CD-ROM speed units to Kbs,
multiply the number by 176 (for raw data)
and by 150 (for filesystem data).
Also note that ATAPI specs say that a value
less than 176 will result in an error.
On many CD-ROM drives,
specifying a value too large will result in using
the fastest speed.
@return the drive speed if greater than 0. -1 if we had an
error. is -2 returned if this is not implemented for the current
driver.
@see cdio_set_speed and mmc_set_drive_speed
*/
int
mmc_set_speed(const CdIo_t *p_cdio, int i_Kbs_speed)
{
uint8_t buf[14] = { 0, };
void * p_buf = &buf;
const unsigned int i_size = sizeof(buf);
MMC_CMD_SETUP(CDIO_MMC_GPCMD_SET_SPEED);
/* If the requested speed is less than 1x 176 kb/s this command
will return an error - it's part of the ATAPI specs. Therefore,
test and stop early. */
if ( i_Kbs_speed < 176 ) return -1;
CDIO_MMC_SET_LEN16(cdb.field, 2, i_Kbs_speed);
/* Some drives like the Creative 24x CDRW require one to set a
nonzero write speed or else one gets an error back. Some
specifications have setting the value 0xfffff indicate setting to
the maximum allowable speed.
*/
CDIO_MMC_SET_LEN16(cdb.field, 4, 0xffff);
return MMC_RUN_CMD(SCSI_MMC_DATA_WRITE);
}
/**
Load or Unload media using a MMC START/STOP UNIT command.
@param p_cdio the CD object to be acted upon.
@param b_eject eject if true and close tray if false
@@ -350,4 +399,3 @@ mmc_start_stop_unit(const CdIo_t *p_cdio, bool b_eject, bool b_immediate,
return MMC_RUN_CMD(SCSI_MMC_DATA_WRITE);
}