/**
Request information about et drive capabilities vis SCSI-MMC READ
DISC INFORMATION
@param p_cdio the CD object to be acted upon.
@param p_buf pointer to location to store mode sense information
@param i_size number of bytes allocated to p_buf
@param data_type kind of information to retrieve.
@return DRIVER_OP_SUCCESS (0) if we got the status.
*/
driver_return_code_t
mmc_read_disc_information(const CdIo_t *p_cdio, /*out*/ void *p_buf,
unsigned int i_size,
cdio_mmc_read_disc_info_datatype_t data_type,
unsigned int i_timeout_ms)
{
MMC_CMD_SETUP(CDIO_MMC_GPCMD_READ_DISC_INFO);
CDIO_MMC_SET_READ_LENGTH8(cdb.field, i_size);
if (0 == i_timeout_ms) i_timeout_ms = mmc_timeout_ms;
cdb.field[1] = data_type & 0x7;
return MMC_RUN_CMD(SCSI_MMC_DATA_READ, i_timeout_ms);
}
/**
Get drive capabilities vis SCSI-MMC GET CONFIGURATION
@param p_cdio the CD object to be acted upon.
@return DRIVER_OP_SUCCESS (0) if we got the status.
return codes are the same as driver_return_code_t
*/
driver_return_code_t
mmc_get_configuration(const CdIo_t *p_cdio, void *p_buf,
unsigned int i_size,
unsigned int return_type,
unsigned int i_starting_feature_number,
unsigned int i_timeout_ms)
{
MMC_CMD_SETUP(CDIO_MMC_GPCMD_GET_CONFIGURATION);
CDIO_MMC_SET_READ_LENGTH8(cdb.field, i_size);
if (0 == i_timeout_ms) i_timeout_ms = mmc_timeout_ms;
cdb.field[1] = return_type & 0x3;
CDIO_MMC_SET_LEN16(cdb.field, 2, i_starting_feature_number);
return MMC_RUN_CMD(SCSI_MMC_DATA_READ, i_timeout_ms);
}
/**
Issue a READ SUB-CHANNEL command to read current position, ISRC or
MCN from subchannel Q.
Note: READ SUB-CHANNEL is deprecated as of MMC-5
but the alternative requires manual parsing of the subchannel.
@param p_cdio the CD object to be acted upon.
@param i_track track number (only for ISRC)
@param sub_chan_param 2 for MCN, 3 for ISRC
@param i_length pointer to number of bytes to request.
Will be overwritten by the number of bytes available.
@param p_buf pointer to the location for the returned data
@return DRIVER_OP_SUCCESS on success
*/
driver_return_code_t
mmc_read_subchannel ( const CdIo_t *p_cdio,
track_t i_track,
unsigned char sub_chan_param,
unsigned int *i_length,
char *p_buf,
unsigned int i_timeout_ms
)
{
unsigned int i_size = *i_length;
mmc_cdb_t cdb = {{0, }};
driver_return_code_t i_status;
if (i_size < 4)
return DRIVER_OP_BAD_PARAMETER;
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_SUBCHANNEL);
CDIO_MMC_SET_READ_LENGTH8(cdb.field, i_size);
if(CDIO_SUBCHANNEL_CURRENT_POSITION == sub_chan_param)
cdb.field[1] = CDIO_CDROM_MSF;
else
cdb.field[1] = 0x0;
cdb.field[2] = 0x40;
cdb.field[3] = sub_chan_param;
if(CDIO_SUBCHANNEL_TRACK_ISRC == sub_chan_param)
cdb.field[6] = i_track;
else
cdb.field[6] = 0;
memset(p_buf, 0, i_size);
if (0 == i_timeout_ms) i_timeout_ms = mmc_timeout_ms;
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ, i_timeout_ms);
if(i_status == DRIVER_OP_SUCCESS) {
*i_length = CDIO_MMC_GET_LEN16((p_buf+2)) + 4;
}
return i_status;
}
int
main(int argc, const char *argv[])
{
CdIo_t *p_cdio;
p_cdio = cdio_open (NULL, DRIVER_UNKNOWN);
if (NULL == p_cdio) {
printf("Couldn't find CD\n");
return 1;
} else {
int i_status; /* Result of MMC command */
uint8_t buf[500] = { 0, }; /* Place to hold returned data */
mmc_cdb_t cdb = {{0, }}; /* Command Descriptor Buffer */
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_GET_CONFIGURATION);
CDIO_MMC_SET_READ_LENGTH8(cdb.field, sizeof(buf));
cdb.field[1] = CDIO_MMC_GET_CONF_ALL_FEATURES;
cdb.field[3] = 0x0;
i_status = mmc_run_cmd(p_cdio, 0, &cdb, SCSI_MMC_DATA_READ, sizeof(buf),
&buf);
if (i_status == 0) {
uint8_t *p;
uint32_t i_data;
uint8_t *p_max = buf + 65530;
i_data = (unsigned int) CDIO_MMC_GET_LEN32(buf);
/* set to first sense feature code, and then walk through the masks */
p = buf + 8;
while( (p < &(buf[i_data])) && (p < p_max) ) {
uint16_t i_feature;
uint8_t i_feature_additional = p[3];
i_feature = CDIO_MMC_GET_LEN16(p);
{
uint8_t *q;
const char *feature_str = mmc_feature2str(i_feature);
printf("%s Feature\n", feature_str);
switch( i_feature )
{
case CDIO_MMC_FEATURE_PROFILE_LIST:
for ( q = p+4 ; q < p + i_feature_additional ; q += 4 ) {
int i_profile=CDIO_MMC_GET_LEN16(q);
const char *feature_profile_str =
mmc_feature_profile2str(i_profile);
printf( "\t%s", feature_profile_str );
if (q[2] & 1) {
printf(" - on");
}
printf("\n");
}
printf("\n");
break;
case CDIO_MMC_FEATURE_CORE:
{
uint8_t *q = p+4;
uint32_t i_interface_standard = CDIO_MMC_GET_LEN32(q);
switch(i_interface_standard) {
case 0:
printf("\tunspecified interface\n");
break;
case 1:
printf("\tSCSI interface\n");
break;
case 2:
printf("\tATAPI interface\n");
break;
case 3:
printf("\tIEEE 1394 interface\n");
break;
case 4:
printf("\tIEEE 1394A interface\n");
break;
case 5:
printf("\tFibre Channel interface\n");
}
printf("\n");
break;
}
case CDIO_MMC_FEATURE_REMOVABLE_MEDIUM:
switch(p[4] >> 5) {
case 0:
printf("\tCaddy/Slot type loading mechanism\n");
break;
case 1:
printf("\tTray type loading mechanism\n");
break;
case 2:
printf("\tPop-up type loading mechanism\n");
break;
case 4:
printf("\tEmbedded changer with individually changeable discs\n");
break;
case 5:
printf("\tEmbedded changer using a magazine mechanism\n");
break;
default:
printf("\tUnknown changer mechanism\n");
}
printf("\tcan%s eject the medium or magazine via the normal "
"START/STOP command\n",
(p[4] & 8) ? "": "not");
printf("\tcan%s be locked into the Logical Unit\n",
(p[4] & 1) ? "": "not");
printf("\n");
break;
case CDIO_MMC_FEATURE_CD_READ:
printf("CD Read Feature\n");
printf("\tC2 Error pointers are %ssupported\n",
(p[4] & 2) ? "": "not ");
printf("\tCD-Text is %ssupported\n",
(p[4] & 1) ? "": "not ");
printf("\n");
break;
case CDIO_MMC_FEATURE_CDDA_EXT_PLAY:
printf("\tSCAN command is %ssupported\n",
(p[4] & 4) ? "": "not ");
printf("\taudio channels can %sbe muted separately\n",
(p[4] & 2) ? "": "not ");
printf("\taudio channels can %shave separate volume levels\n",
(p[4] & 1) ? "": "not ");
{
uint8_t *q = p+6;
uint16_t i_vol_levels = CDIO_MMC_GET_LEN16(q);
printf("\t%d volume levels can be set\n", i_vol_levels);
}
printf("\n");
break;
case CDIO_MMC_FEATURE_LU_SN: {
uint8_t i_serial = *(p+3);
char serial[257] = { '\0', };
memcpy(serial, p+4, i_serial);
printf("\t%s\n\n", serial);
break;
}
default:
printf("\n");
break;
}
p += i_feature_additional + 4;
}
}
} else {
