claunia/libcdio-osx
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Mode sense changes. Not sure about this though.

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rocky
2005-02-18 09:49:14 +00:00
parent a4d389b939
commit e65d0eb854
1 changed files with 34 additions and 25 deletions
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59
lib/driver/mmc.c
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@@ -1,6 +1,6 @@
/* Common Multimedia Command (MMC) routines.
$Id: mmc.c,v 1.14 2005/02/17 07:03:37 rocky Exp $
$Id: mmc.c,v 1.15 2005/02/18 09:49:14 rocky Exp $
Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -309,7 +309,7 @@ mmc_mode_sense_6( CdIo_t *p_cdio, void *p_buf, int i_size, int page)
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, i_size, p_buf);
SCSI_MMC_DATA_READ, i_size, p_buf);
}
@@ -335,7 +335,7 @@ mmc_mode_sense_10( CdIo_t *p_cdio, void *p_buf, int i_size, int page)
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, i_size, p_buf);
SCSI_MMC_DATA_READ, i_size, p_buf);
}
@@ -734,37 +734,46 @@ mmc_run_cmd( const CdIo_t *p_cdio, unsigned int i_timeout_ms,
p_cdb, e_direction, i_buf, p_buf);
}
/*! Return the byte size returned on a MMC READ command (e.g. READ_10,
READ_MSF, ..)
*/
int
mmc_get_blocksize ( CdIo_t *p_cdio)
{
int i_status;
struct
{
uint8_t reserved1;
uint8_t medium;
uint8_t reserved2;
uint8_t block_desc_length;
uint8_t density;
uint8_t number_of_blocks_hi;
uint8_t number_of_blocks_med;
uint8_t number_of_blocks_lo;
uint8_t reserved3;
uint8_t block_length_hi;
uint8_t block_length_med;
uint8_t block_length_lo;
} mh;
uint8_t buf[255] = { 0, };
uint8_t *p;
uint8_t *p = &mh.block_length_med;
memset (&mh, 0, sizeof (mh));
i_status = mmc_mode_sense_6(p_cdio, &mh, sizeof(&mh),
/* First try using the 6-byte MODE SENSE command. */
i_status = mmc_mode_sense_6(p_cdio, buf, sizeof(buf),
CDIO_MMC_R_W_ERROR_PAGE);
if (DRIVER_OP_SUCCESS != i_status) return i_status;
if (DRIVER_OP_SUCCESS == i_status && buf[3]>=8) {
p = &buf[4+5];
return CDIO_MMC_GET_LEN16(p);
}
/* Next try using the 10-byte MODE SENSE command. */
i_status = mmc_mode_sense_10(p_cdio, buf, sizeof(buf),
CDIO_MMC_R_W_ERROR_PAGE);
p = &buf[6];
if (DRIVER_OP_SUCCESS == i_status && CDIO_MMC_GET_LEN16(p)>=8) {
return CDIO_MMC_GET_LEN16(p);
}
return CDIO_MMC_GET_LEN16(p);
#ifdef IS_THIS_CORRECT
/* Lastly try using the READ CAPACITY command. */
{
lba_t lba = 0;
uint16_t i_blocksize;
i_status = mmc_read_capacity(p_cdio, &lba, &i_blocksize);
if ( DRIVER_OP_SUCCESS == i_status )
return i_blocksize;
#endif
return DRIVER_OP_UNSUPPORTED;
}