/* Common Multimedia Command (MMC) routines. Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010, 2011, 2012 Rocky Bernstein This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include "cdio_private.h" #include "cdtext_private.h" #ifdef HAVE_STRING_H #include #endif #ifdef HAVE_STDLIB_H #include #endif #ifdef HAVE_STDIO_H #include #endif #ifdef HAVE_ERRNO_H #include #endif /************************************************************************* MMC CdIo Operations which a driver may use. These are not accessible directly. Most of these routines just pick out the cdio pointer and call the corresponding publically-accessible routine. *************************************************************************/ /** Read Audio Subchannel information @param p_user_data the CD object to be acted upon. */ driver_return_code_t audio_read_subchannel_mmc ( void *p_user_data, cdio_subchannel_t *p_subchannel) { generic_img_private_t *p_env = p_user_data; if (!p_env) return DRIVER_OP_UNINIT; return mmc_audio_read_subchannel(p_env->cdio, p_subchannel); } /** Get the block size for subsequest read requests, via MMC. @return the blocksize if > 0; error if <= 0 */ int get_blocksize_mmc (void *p_user_data) { generic_img_private_t *p_env = p_user_data; if (!p_env) return DRIVER_OP_UNINIT; return mmc_get_blocksize(p_env->cdio); } /** Get the lsn of the end of the CD (via MMC). */ lsn_t get_disc_last_lsn_mmc (void *p_user_data) { generic_img_private_t *p_env = p_user_data; if (!p_env) return CDIO_INVALID_LSN; return mmc_get_disc_last_lsn(p_env->cdio); } void get_drive_cap_mmc (const void *p_user_data, /*out*/ cdio_drive_read_cap_t *p_read_cap, /*out*/ cdio_drive_write_cap_t *p_write_cap, /*out*/ cdio_drive_misc_cap_t *p_misc_cap) { const generic_img_private_t *p_env = p_user_data; mmc_get_drive_cap( p_env->cdio, p_read_cap, p_write_cap, p_misc_cap ); } /** Find out if media has changed since the last call. @param p_user_data the environment of the CD object to be acted upon. @return 1 if media has changed since last call, 0 if not. Error return codes are the same as driver_return_code_t */ int get_media_changed_mmc (const void *p_user_data) { const generic_img_private_t *p_env = p_user_data; return mmc_get_media_changed( p_env->cdio ); } char * get_mcn_mmc (const void *p_user_data) { const generic_img_private_t *p_env = p_user_data; return mmc_get_mcn( p_env->cdio ); } driver_return_code_t get_tray_status (const void *p_user_data) { const generic_img_private_t *p_env = p_user_data; return mmc_get_tray_status( p_env->cdio ); } /** Read sectors using SCSI-MMC GPCMD_READ_CD. */ driver_return_code_t mmc_read_data_sectors ( CdIo_t *p_cdio, void *p_buf, lsn_t i_lsn, uint16_t i_blocksize, uint32_t i_blocks ) { return mmc_read_cd(p_cdio, p_buf, /* place to store data */ i_lsn, /* lsn */ 0, /* read_sector_type */ false, /* digital audio play */ false, /* return sync header */ 0, /* header codes */ true, /* return user data */ false, /* return EDC ECC */ false, /* return C2 Error information */ 0, /* subchannel selection bits */ ISO_BLOCKSIZE, /* blocksize*/ i_blocks /* Number of blocks. */); } /** Read sectors using SCSI-MMC GPCMD_READ_CD. Can read only up to 25 blocks. */ driver_return_code_t read_data_sectors_mmc ( void *p_user_data, void *p_buf, lsn_t i_lsn, uint16_t i_blocksize, uint32_t i_blocks ) { const generic_img_private_t *p_env = p_user_data; return mmc_read_data_sectors( p_env->cdio, p_buf, i_lsn, i_blocksize, i_blocks ); } /** Set read blocksize (via MMC) */ driver_return_code_t set_blocksize_mmc (void *p_user_data, uint16_t i_blocksize) { generic_img_private_t *p_env = p_user_data; if (!p_env) return DRIVER_OP_UNINIT; return mmc_set_blocksize(p_env->cdio, i_blocksize); } /** Set the drive speed Set the drive speed in K bytes per second. (via MMC). */ driver_return_code_t set_speed_mmc (void *p_user_data, int i_speed) { generic_img_private_t *p_env = p_user_data; if (!p_env) return DRIVER_OP_UNINIT; return mmc_set_speed( p_env->cdio, i_speed, 0); } /** Set the drive speed in CD-ROM speed units (via MMC). */ driver_return_code_t set_drive_speed_mmc (void *p_user_data, int i_Kbs_speed) { generic_img_private_t *p_env = p_user_data; if (!p_env) return DRIVER_OP_UNINIT; return mmc_set_drive_speed( p_env->cdio, i_Kbs_speed ); } /** Get the output port volumes and port selections used on AUDIO PLAY commands via a MMC MODE SENSE command using the CD Audio Control Page. */ driver_return_code_t mmc_audio_get_volume( CdIo_t *p_cdio, /*out*/ mmc_audio_volume_t *p_volume ) { uint8_t buf[16]; int i_rc = mmc_mode_sense(p_cdio, buf, sizeof(buf), CDIO_MMC_AUDIO_CTL_PAGE); if ( DRIVER_OP_SUCCESS == i_rc ) { p_volume->port[0].selection = 0xF & buf[8]; p_volume->port[0].volume = buf[9]; p_volume->port[1].selection = 0xF & buf[10]; p_volume->port[1].volume = buf[11]; p_volume->port[2].selection = 0xF & buf[12]; p_volume->port[2].volume = buf[13]; p_volume->port[3].selection = 0xF & buf[14]; p_volume->port[3].volume = buf[15]; return DRIVER_OP_SUCCESS; } return i_rc; } /** Get the DVD type associated with cd object. */ discmode_t mmc_get_dvd_struct_physical_private ( void *p_env, mmc_run_cmd_fn_t run_mmc_cmd, cdio_dvd_struct_t *s) { mmc_cdb_t cdb = {{0, }}; unsigned char buf[4 + 4 * 20], *base; int i_status; uint8_t layer_num = s->physical.layer_num; cdio_dvd_layer_t *layer; if (!p_env) return DRIVER_OP_UNINIT; if (!run_mmc_cmd) return DRIVER_OP_UNSUPPORTED; if (layer_num >= CDIO_DVD_MAX_LAYERS) return -EINVAL; CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_DVD_STRUCTURE); cdb.field[6] = layer_num; cdb.field[7] = CDIO_DVD_STRUCT_PHYSICAL; cdb.field[9] = sizeof(buf) & 0xff; i_status = run_mmc_cmd(p_env, mmc_timeout_ms, mmc_get_cmd_len(cdb.field[0]), &cdb, SCSI_MMC_DATA_READ, sizeof(buf), &buf); if (0 != i_status) return CDIO_DISC_MODE_ERROR; base = &buf[4]; layer = &s->physical.layer[layer_num]; /* * place the data... really ugly, but at least we won't have to * worry about endianess in userspace. */ memset(layer, 0, sizeof(*layer)); layer->book_version = base[0] & 0xf; layer->book_type = base[0] >> 4; layer->min_rate = base[1] & 0xf; layer->disc_size = base[1] >> 4; layer->layer_type = base[2] & 0xf; layer->track_path = (base[2] >> 4) & 1; layer->nlayers = (base[2] >> 5) & 3; layer->track_density = base[3] & 0xf; layer->linear_density = base[3] >> 4; layer->start_sector = base[5] << 16 | base[6] << 8 | base[7]; layer->end_sector = base[9] << 16 | base[10] << 8 | base[11]; layer->end_sector_l0 = base[13] << 16 | base[14] << 8 | base[15]; layer->bca = base[16] >> 7; return DRIVER_OP_SUCCESS; } /** Return the media catalog number MCN. Note: string is malloc'd so caller should free() then returned string when done with it. */ char * mmc_get_mcn_private ( void *p_env, const mmc_run_cmd_fn_t run_mmc_cmd ) { mmc_cdb_t cdb = {{0, }}; char buf[28] = { 0, }; int i_status; if ( ! p_env || ! run_mmc_cmd ) return NULL; CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_SUBCHANNEL); CDIO_MMC_SET_READ_LENGTH8(cdb.field, sizeof(buf)); cdb.field[1] = 0x0; cdb.field[2] = 0x40; cdb.field[3] = CDIO_SUBCHANNEL_MEDIA_CATALOG; i_status = run_mmc_cmd(p_env, mmc_timeout_ms, mmc_get_cmd_len(cdb.field[0]), &cdb, SCSI_MMC_DATA_READ, sizeof(buf), buf); if(i_status == 0) { return strdup(&buf[9]); } return NULL; } /** Read cdtext information for a CdIo_t object . return true on success, false on error or CD-Text information does not exist. */ uint8_t * mmc_read_cdtext_private ( void *p_user_data, const mmc_run_cmd_fn_t run_mmc_cmd ) { generic_img_private_t *p_env = p_user_data; mmc_cdb_t cdb = {{0, }}; unsigned char * wdata; int i_status; if ( ! p_env || ! run_mmc_cmd || p_env->b_cdtext_error ) return false; /* Operation code */ CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_TOC); /* Setup to read header, to get length of data */ CDIO_MMC_SET_READ_LENGTH8(cdb.field, 4); cdb.field[1] = CDIO_CDROM_MSF; /* Format */ cdb.field[2] = CDIO_MMC_READTOC_FMT_CDTEXT; errno = 0; wdata = calloc(CDTEXT_LEN_BINARY_MAX, sizeof(unsigned char)); /* We may need to give CD-Text a little more time to complete. */ /* First off, just try and read the size */ i_status = run_mmc_cmd (p_env, mmc_read_timeout_ms, mmc_get_cmd_len(cdb.field[0]), &cdb, SCSI_MMC_DATA_READ, 4, wdata); if (i_status != 0) { cdio_info ("CD-Text read failed for header: %s\n", strerror(errno)); p_env->b_cdtext_error = true; free(wdata); return NULL; } else { /* Now read the CD-Text data */ int i_cdtext = CDIO_MMC_GET_LEN16(wdata); if (i_cdtext+2 > CDTEXT_LEN_BINARY_MAX) i_cdtext = CDTEXT_LEN_BINARY_MAX-2; else wdata = realloc(wdata,i_cdtext+2); /* the 2 bytes holding the size are not included in i_cdtext */ CDIO_MMC_SET_READ_LENGTH16(cdb.field, i_cdtext); i_status = run_mmc_cmd (p_env, mmc_read_timeout_ms, mmc_get_cmd_len(cdb.field[0]), &cdb, SCSI_MMC_DATA_READ, i_cdtext, wdata); if (i_status != 0) { cdio_info ("CD-Text read for text failed: %s\n", strerror(errno)); p_env->b_cdtext_error = true; free(wdata); return NULL; } return wdata; } } driver_return_code_t mmc_set_blocksize_private ( void *p_env, const mmc_run_cmd_fn_t run_mmc_cmd, uint16_t i_blocksize) { mmc_cdb_t cdb = {{0, }}; 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; if ( ! p_env ) return DRIVER_OP_UNINIT; if ( ! run_mmc_cmd ) return DRIVER_OP_UNSUPPORTED; memset (&mh, 0, sizeof (mh)); mh.block_desc_length = 0x08; /* while i_blocksize is uint16_t, this expression is always 0 */ mh.block_length_hi = (i_blocksize >> 16) & 0xff; mh.block_length_med = (i_blocksize >> 8) & 0xff; mh.block_length_lo = (i_blocksize >> 0) & 0xff; CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_MODE_SELECT_6); cdb.field[1] = 1 << 4; cdb.field[4] = 12; return run_mmc_cmd (p_env, mmc_timeout_ms, mmc_get_cmd_len(cdb.field[0]), &cdb, SCSI_MMC_DATA_WRITE, sizeof(mh), &mh); } /*********************************************************** User-accessible Operations. ************************************************************/ /** Read Audio Subchannel information @param p_cdio the CD object to be acted upon. */ driver_return_code_t mmc_audio_read_subchannel (CdIo_t *p_cdio, cdio_subchannel_t *p_subchannel) { mmc_cdb_t cdb; driver_return_code_t i_rc; cdio_mmc_subchannel_t mmc_subchannel; if (!p_cdio) return DRIVER_OP_UNINIT; memset(&mmc_subchannel, 0, sizeof(mmc_subchannel)); mmc_subchannel.format = CDIO_CDROM_MSF; memset(&cdb, 0, sizeof(mmc_cdb_t)); CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_SUBCHANNEL); CDIO_MMC_SET_READ_LENGTH8(cdb.field, sizeof(cdio_mmc_subchannel_t)); cdb.field[1] = CDIO_CDROM_MSF; cdb.field[2] = 0x40; /* subq */ cdb.field[3] = CDIO_SUBCHANNEL_CURRENT_POSITION; cdb.field[6] = 0; /* track number (only in isrc mode, ignored) */ i_rc = mmc_run_cmd(p_cdio, mmc_timeout_ms, &cdb, SCSI_MMC_DATA_READ, sizeof(cdio_mmc_subchannel_t), &mmc_subchannel); if (DRIVER_OP_SUCCESS == i_rc) { p_subchannel->format = mmc_subchannel.format; p_subchannel->audio_status = mmc_subchannel.audio_status; p_subchannel->address = mmc_subchannel.address; p_subchannel->control = mmc_subchannel.control; p_subchannel->track = mmc_subchannel.track; p_subchannel->index = mmc_subchannel.index; p_subchannel->abs_addr.m = cdio_to_bcd8(mmc_subchannel.abs_addr[1]); p_subchannel->abs_addr.s = cdio_to_bcd8(mmc_subchannel.abs_addr[2]); p_subchannel->abs_addr.f = cdio_to_bcd8(mmc_subchannel.abs_addr[3]); p_subchannel->rel_addr.m = cdio_to_bcd8(mmc_subchannel.rel_addr[1]); p_subchannel->rel_addr.s = cdio_to_bcd8(mmc_subchannel.rel_addr[2]); p_subchannel->rel_addr.f = cdio_to_bcd8(mmc_subchannel.rel_addr[3]); } return i_rc; } /** Read ISRC Subchannel information. Contributed by Scot C. Bontrager (scot@indievisible.org) May 15, 2011 - @param p_cdio the CD object to be acted upon. @param track the track you to get ISRC info @param buf place to put ISRC info */ driver_return_code_t mmc_isrc_track_read_subchannel (CdIo_t *p_cdio, /*in*/ const track_t track, /*out*/ char *p_isrc) { mmc_cdb_t cdb = {{0, }}; driver_return_code_t i_rc; char buf[28] = { 0, }; if (!p_cdio) return DRIVER_OP_UNINIT; CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_SUBCHANNEL); CDIO_MMC_SET_READ_LENGTH8(cdb.field, sizeof(buf)); cdb.field[1] = 0x0; cdb.field[2] = 1 << 6; cdb.field[3] = CDIO_SUBCHANNEL_TRACK_ISRC; /* 0x03 */ cdb.field[6] = track; i_rc = mmc_run_cmd(p_cdio, mmc_timeout_ms, &cdb, SCSI_MMC_DATA_READ, sizeof(buf), buf); if (DRIVER_OP_SUCCESS == i_rc) { strncpy(p_isrc, &buf[9], CDIO_ISRC_SIZE+1); } return i_rc; } /** Get the block size used in read requests, via MMC (e.g. READ_10, READ_MSF, ...) @param p_cdio the CD object to be acted upon. @return the blocksize if > 0; error if <= 0 */ int mmc_get_blocksize ( CdIo_t *p_cdio) { int i_status; uint8_t buf[255] = { 0, }; uint8_t *p; /* 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 && 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); } #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; } /** Return the number of length in bytes of the Command Descriptor buffer (CDB) for a given MMC command. The length will be either 6, 10, or 12. */ uint8_t mmc_get_cmd_len(uint8_t scsi_cmd) { static const uint8_t scsi_cdblen[8] = {6, 10, 10, 12, 12, 12, 10, 10}; return scsi_cdblen[((scsi_cmd >> 5) & 7)]; } /** Return the size of the CD in logical block address (LBA) units. @param p_cdio the CD object to be acted upon. @return the lsn. On error 0 or CDIO_INVALD_LSN. */ lsn_t mmc_get_disc_last_lsn ( const CdIo_t *p_cdio ) { mmc_cdb_t cdb = {{0, }}; uint8_t buf[12] = { 0, }; lsn_t retval = 0; int i_status; /* Operation code */ CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_TOC); cdb.field[1] = 0; /* lba; msf: 0x2 */ /* Format */ cdb.field[2] = CDIO_MMC_READTOC_FMT_TOC; CDIO_MMC_SET_START_TRACK(cdb.field, CDIO_CDROM_LEADOUT_TRACK); CDIO_MMC_SET_READ_LENGTH16(cdb.field, sizeof(buf)); i_status = mmc_run_cmd(p_cdio, mmc_timeout_ms, &cdb, SCSI_MMC_DATA_READ, sizeof(buf), buf); if (i_status) return CDIO_INVALID_LSN; { int i; for (i = 8; i < 12; i++) { retval <<= 8; retval += buf[i]; } } return retval; } /** Return the discmode as reported by the SCSI-MMC Read (FULL) TOC command. Information was obtained from Section 5.1.13 (Read TOC/PMA/ATIP) pages 56-62 from the MMC draft specification, revision 10a at http://www.t10.org/ftp/t10/drafts/mmc/mmc-r10a.pdf See especially tables 72, 73 and 75. */ discmode_t mmc_get_discmode( const CdIo_t *p_cdio ) { uint8_t buf[14] = { 0, }; mmc_cdb_t cdb; memset(&cdb, 0, sizeof(mmc_cdb_t)); CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_TOC); CDIO_MMC_SET_READ_LENGTH8(cdb.field, sizeof(buf)); cdb.field[1] = CDIO_CDROM_MSF; /* The MMC-5 spec may require this. */ cdb.field[2] = CDIO_MMC_READTOC_FMT_FULTOC; mmc_run_cmd(p_cdio, 2000, &cdb, SCSI_MMC_DATA_READ, sizeof(buf), buf); if (buf[7] == 0xA0) { if (buf[13] == 0x00) { if (buf[5] & 0x04) return CDIO_DISC_MODE_CD_DATA; else return CDIO_DISC_MODE_CD_DA; } else if (buf[13] == 0x10) return CDIO_DISC_MODE_CD_I; else if (buf[13] == 0x20) return CDIO_DISC_MODE_CD_XA; } return CDIO_DISC_MODE_NO_INFO; } /** Get drive capabilities for a device. @param p_cdio the CD object to be acted upon. @return the drive capabilities. */ void mmc_get_drive_cap (CdIo_t *p_cdio, /*out*/ cdio_drive_read_cap_t *p_read_cap, /*out*/ cdio_drive_write_cap_t *p_write_cap, /*out*/ cdio_drive_misc_cap_t *p_misc_cap) { /* Largest buffer size we use. */ #define BUF_MAX 2048 uint8_t buf[BUF_MAX] = { 0, }; int i_status; uint16_t i_data = BUF_MAX; int page = CDIO_MMC_ALL_PAGES; if ( ! p_cdio ) return; retry: /* In the first run we run MODE SENSE 10 we are trying to get the length of the data features. */ i_status = mmc_mode_sense_10(p_cdio, buf, 8, CDIO_MMC_ALL_PAGES); if (DRIVER_OP_SUCCESS == i_status) { uint16_t i_data_try = (uint16_t) CDIO_MMC_GET_LEN16(buf); if (i_data_try < BUF_MAX) i_data = i_data_try; } /* Now try getting all features with length set above, possibly truncated or the default length if we couldn't get the proper length. */ i_status = mmc_mode_sense_10(p_cdio, buf, i_data, CDIO_MMC_ALL_PAGES); if (0 != i_status && CDIO_MMC_CAPABILITIES_PAGE != page) { page = CDIO_MMC_CAPABILITIES_PAGE; goto retry; } if (DRIVER_OP_SUCCESS == i_status) { uint8_t *p; uint8_t *p_max = buf + 256; *p_read_cap = 0; *p_write_cap = 0; *p_misc_cap = 0; /* set to first sense mask, and then walk through the masks */ p = buf + 8; while( (p < &(buf[2+i_data])) && (p < p_max) ) { uint8_t which_page; which_page = p[0] & 0x3F; switch( which_page ) { case CDIO_MMC_AUDIO_CTL_PAGE: case CDIO_MMC_R_W_ERROR_PAGE: case CDIO_MMC_CDR_PARMS_PAGE: /* Don't handle these yet. */ break; case CDIO_MMC_CAPABILITIES_PAGE: mmc_get_drive_cap_buf(p, p_read_cap, p_write_cap, p_misc_cap); break; default: ; } p += (p[1] + 2); } } else { cdio_info("%s: %s\n", "error in MODE_SELECT", strerror(errno)); *p_read_cap = CDIO_DRIVE_CAP_ERROR; *p_write_cap = CDIO_DRIVE_CAP_ERROR; *p_misc_cap = CDIO_DRIVE_CAP_ERROR; } return; } /** Get the MMC level supported by the device. */ cdio_mmc_level_t mmc_get_drive_mmc_cap(CdIo_t *p_cdio) { uint8_t buf[256] = { 0, }; uint8_t len; int rc = mmc_mode_sense(p_cdio, buf, sizeof(buf), CDIO_MMC_CAPABILITIES_PAGE); if (DRIVER_OP_SUCCESS != rc) { return CDIO_MMC_LEVEL_NONE; } len = buf[1]; if (16 > len) { return CDIO_MMC_LEVEL_WEIRD; } else if (28 <= len) { return CDIO_MMC_LEVEL_3; } else if (24 <= len) { return CDIO_MMC_LEVEL_2; printf("MMC 2"); } else if (20 <= len) { return CDIO_MMC_LEVEL_1; } else { return CDIO_MMC_LEVEL_WEIRD; } } /** Get the DVD type associated with cd object. @param p_cdio the CD object to be acted upon. @return the DVD discmode. */ discmode_t mmc_get_dvd_struct_physical ( const CdIo_t *p_cdio, cdio_dvd_struct_t *s) { if ( ! p_cdio ) return -2; return mmc_get_dvd_struct_physical_private (p_cdio->env, p_cdio->op.run_mmc_cmd, s); } /** Get the CD-ROM hardware info via a MMC INQUIRY command. False is returned if we had an error getting the information. @param p_cdio the CD object to be acted upon. @return true if we were able to get hardware info, false if we had an error. */ bool mmc_get_hwinfo ( const CdIo_t *p_cdio, /*out*/ cdio_hwinfo_t *hw_info ) { int i_status; /* Result of MMC command */ char buf[36] = { 0, }; /* Place to hold returned data */ mmc_cdb_t cdb = {{0, }}; /* Command Descriptor Block */ CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_INQUIRY); cdb.field[4] = sizeof(buf); if (! p_cdio || ! hw_info ) return false; i_status = mmc_run_cmd(p_cdio, mmc_timeout_ms, &cdb, SCSI_MMC_DATA_READ, sizeof(buf), &buf); if (i_status == 0) { memcpy(hw_info->psz_vendor, buf + 8, sizeof(hw_info->psz_vendor)-1); hw_info->psz_vendor[sizeof(hw_info->psz_vendor)-1] = '\0'; memcpy(hw_info->psz_model, buf + 8 + CDIO_MMC_HW_VENDOR_LEN, sizeof(hw_info->psz_model)-1); hw_info->psz_model[sizeof(hw_info->psz_model)-1] = '\0'; memcpy(hw_info->psz_revision, buf + 8 + CDIO_MMC_HW_VENDOR_LEN + CDIO_MMC_HW_MODEL_LEN, sizeof(hw_info->psz_revision)-1); hw_info->psz_revision[sizeof(hw_info->psz_revision)-1] = '\0'; return true; } return false; } /** Find out if media has changed since the last call. @param p_cdio the CD object to be acted upon. @return 1 if media has changed since last call, 0 if not. Error return codes are the same as driver_return_code_t */ int mmc_get_media_changed(const CdIo_t *p_cdio) { uint8_t status_buf[2]; int i_status; i_status = mmc_get_event_status(p_cdio, status_buf); if (i_status != DRIVER_OP_SUCCESS) return i_status; return (status_buf[0] & 0x02) ? 1 : 0; } /** Get the media catalog number (MCN) from the CD via MMC. @param p_cdio the CD object to be acted upon. @return the media catalog number r NULL if there is none or we don't have the ability to get it. Note: string is malloc'd so caller has to free() the returned string when done with it. */ char * mmc_get_mcn ( const CdIo_t *p_cdio ) { if ( ! p_cdio ) return NULL; return mmc_get_mcn_private (p_cdio->env, p_cdio->op.run_mmc_cmd ); } /** Find out if media tray is open or closed. @param p_cdio the CD object to be acted upon. @return 1 if media is open, 0 if closed. Error return codes are the same as driver_return_code_t */ int mmc_get_tray_status(const CdIo_t *p_cdio) { uint8_t status_buf[2]; int i_status; i_status = mmc_get_event_status(p_cdio, status_buf); if (i_status != DRIVER_OP_SUCCESS) return i_status; return (status_buf[1] & 0x01) ? 1 : 0; } /* Added in version 0.83 by scdbackup */ /** Obtain the SCSI sense reply of the most-recently-performed MMC command. These bytes give an indication of possible problems which occured in the drive while the command was performed. With some commands they tell about the current state of the drive (e.g. 00h TEST UNIT READY). @param p_cdio CD structure set by cdio_open(). @param sense returns the sense bytes received from the drive. This is allocated memory or NULL if no sense bytes are available. Dispose non-NULL pointers by free() when no longer needed. See SPC-3 4.5.3 Fixed format sense data. SCSI error codes as of SPC-3 Annex D, MMC-5 Annex F: sense[2]&15 = Key , sense[12] = ASC , sense[13] = ASCQ @return number of valid bytes in sense, 0 in case of no sense bytes available, <0 in case of internal error. */ int mmc_last_cmd_sense(const CdIo_t *p_cdio, cdio_mmc_request_sense_t **pp_sense) { generic_img_private_t *gen; if (!p_cdio) return DRIVER_OP_UNINIT; gen = p_cdio->env; *pp_sense = NULL; if (gen->scsi_mmc_sense_valid <= 0) return 0; *pp_sense = calloc(1, gen->scsi_mmc_sense_valid); if (*pp_sense == NULL) return DRIVER_OP_ERROR; memcpy(*pp_sense, gen->scsi_mmc_sense, gen->scsi_mmc_sense_valid); return gen->scsi_mmc_sense_valid; } /** Run a MMC command. @param cdio CD structure set by cdio_open(). @param i_timeout time in milliseconds we will wait for the command to complete. If this value is -1, use the default time-out value. @param buf Buffer for data, both sending and receiving @param len Size of buffer @param e_direction direction the transfer is to go @param cdb CDB bytes. All values that are needed should be set on input. We'll figure out what the right CDB length should be. */ driver_return_code_t mmc_run_cmd( const CdIo_t *p_cdio, unsigned int i_timeout_ms, const mmc_cdb_t *p_cdb, cdio_mmc_direction_t e_direction, unsigned int i_buf, /*in/out*/ void *p_buf ) { if (!p_cdio) return DRIVER_OP_UNINIT; if (!p_cdio->op.run_mmc_cmd) return DRIVER_OP_UNSUPPORTED; return p_cdio->op.run_mmc_cmd(p_cdio->env, i_timeout_ms, mmc_get_cmd_len(p_cdb->field[0]), p_cdb, e_direction, i_buf, p_buf); } /* Added by SukkoPera to allow CDB length to be specified manually */ /** Run a Multimedia command (MMC) specifying the CDB length. The motivation here is for example ot use in is an undocumented debug command for LG drives (namely E7), whose length is being miscalculated by mmc_get_cmd_len(); it doesn't follow the usual code number to length conventions. Patch supplied by SukkoPera. @param p_cdio CD structure set by cdio_open(). @param i_timeout_ms time in milliseconds we will wait for the command to complete. @param p_cdb CDB bytes. All values that are needed should be set on input. @param i_cdb number of CDB bytes. @param e_direction direction the transfer is to go. @param i_buf Size of buffer @param p_buf Buffer for data, both sending and receiving. @return 0 if command completed successfully. */ driver_return_code_t mmc_run_cmd_len( const CdIo_t *p_cdio, unsigned int i_timeout_ms, const mmc_cdb_t *p_cdb, unsigned int i_cdb, cdio_mmc_direction_t e_direction, unsigned int i_buf, /*in/out*/ void *p_buf ) { if (!p_cdio) return DRIVER_OP_UNINIT; if (!p_cdio->op.run_mmc_cmd) return DRIVER_OP_UNSUPPORTED; return p_cdio->op.run_mmc_cmd(p_cdio->env, i_timeout_ms, i_cdb, p_cdb, e_direction, i_buf, p_buf); } /** Returns device's interface @return interface of the device. */ cdio_mmc_feature_interface_t mmc_get_interface( CdIo_t *p_cdio ) { 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 */ if (!p_cdio || !p_cdio->op.run_mmc_cmd) return CDIO_MMC_FEATURE_INTERFACE_UNSPECIFIED; 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_NAMED_FEATURE; cdb.field[3] = CDIO_MMC_FEATURE_CORE; i_status = mmc_run_cmd(p_cdio, 0, &cdb, SCSI_MMC_DATA_READ, sizeof(buf), &buf); if (DRIVER_OP_SUCCESS == i_status) { 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); if (CDIO_MMC_FEATURE_CORE == i_feature) { uint8_t *q = p+4; uint32_t i_interface_standard = CDIO_MMC_GET_LEN32(q); return i_interface_standard; } p += i_feature_additional + 4; } return CDIO_MMC_FEATURE_INTERFACE_UNSPECIFIED; } else // If we can't get the interface, it is unspecified return CDIO_MMC_FEATURE_INTERFACE_UNSPECIFIED; } /** Read sectors using SCSI-MMC GPCMD_READ_CD. Can read only up to 25 blocks. */ driver_return_code_t mmc_read_sectors ( const CdIo_t *p_cdio, void *p_buf, lsn_t i_lsn, int sector_type, uint32_t i_blocks ) { mmc_cdb_t cdb = {{0, }}; mmc_run_cmd_fn_t run_mmc_cmd; if (!p_cdio) return DRIVER_OP_UNINIT; if (!p_cdio->op.run_mmc_cmd ) return DRIVER_OP_UNSUPPORTED; run_mmc_cmd = p_cdio->op.run_mmc_cmd; CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_CD); CDIO_MMC_SET_READ_TYPE (cdb.field, sector_type); CDIO_MMC_SET_READ_LBA (cdb.field, i_lsn); CDIO_MMC_SET_READ_LENGTH24(cdb.field, i_blocks); CDIO_MMC_SET_MAIN_CHANNEL_SELECTION_BITS(cdb.field, CDIO_MMC_MCSB_ALL_HEADERS); return run_mmc_cmd (p_cdio->env, mmc_timeout_ms, mmc_get_cmd_len(cdb.field[0]), &cdb, SCSI_MMC_DATA_READ, CDIO_CD_FRAMESIZE_RAW * i_blocks, p_buf); } driver_return_code_t mmc_set_blocksize ( const CdIo_t *p_cdio, uint16_t i_blocksize) { if ( ! p_cdio ) return DRIVER_OP_UNINIT; return mmc_set_blocksize_private (p_cdio->env, p_cdio->op.run_mmc_cmd, i_blocksize); } /* * Local variables: * c-file-style: "gnu" * tab-width: 8 * indent-tabs-mode: nil * End: */