/** 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 {