diff options
Diffstat (limited to 'plugins/dfcdrom/cdr-linux.c')
| -rw-r--r-- | plugins/dfcdrom/cdr-linux.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/plugins/dfcdrom/cdr-linux.c b/plugins/dfcdrom/cdr-linux.c deleted file mode 100644 index a814962..0000000 --- a/plugins/dfcdrom/cdr-linux.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * Copyright (c) 2010, Wei Mingzhi <whistler@openoffice.org>. - * All Rights Reserved. - * - * Based on: Cdrom for Psemu Pro like Emulators - * By: linuzappz <linuzappz@hotmail.com> - * - * Portions based on: cdrdao - write audio CD-Rs in disc-at-once mode - * Copyright (C) 2007 Denis Leroy <denis@poolshark.org> - * - * 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 2 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 <http://www.gnu.org/licenses>. - */ - -#if defined (__linux__) && !defined (USE_LIBCDIO) - -#include "cdr.h" - -static int cdHandle = -1; -static int ReadMMC = 0, SubQMMC = 0; - -static int SendMMCCmd(const unsigned char *cmd, int cmdLen, const unsigned char *dataOut, - int dataOutLen, unsigned char *dataIn, int dataInLen) -{ - sg_io_hdr_t io_hdr; - - memset(&io_hdr, 0, sizeof(io_hdr)); - - io_hdr.interface_id = 'S'; - io_hdr.cmd_len = cmdLen; - io_hdr.cmdp = (unsigned char *)cmd; - io_hdr.timeout = 10000; - io_hdr.sbp = NULL; - io_hdr.mx_sb_len = 0; - io_hdr.flags = 1; - - if (dataOut != NULL) { - io_hdr.dxferp = (void *)dataOut; - io_hdr.dxfer_len = dataOutLen; - io_hdr.dxfer_direction = SG_DXFER_TO_DEV; - } else if (dataIn != NULL) { - io_hdr.dxferp = (void *)dataIn; - io_hdr.dxfer_len = dataInLen; - io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; - } - - if (ioctl(cdHandle, SG_IO, &io_hdr) < 0) { - return -1; - } - - return io_hdr.status; -} - -static int CheckReadMMC() { - MMC_READ_CD cdb; - unsigned char buf[CD_FRAMESIZE_RAW]; - - memset(&cdb, 0, sizeof(cdb)); - memset(buf, 0xAA, sizeof(buf)); - - cdb.Code = GPCMD_READ_CD; - cdb.IncludeEDC = 0; - cdb.IncludeUserData = 1; - cdb.HeaderCode = 3; - cdb.IncludeSyncData = 1; - cdb.TransferBlocks[2] = 1; - - if (SendMMCCmd((unsigned char *)&cdb, sizeof(cdb), NULL, 0, buf, sizeof(buf)) == 0) { - if (buf[0] != 0xAA) { - PRINTF("Using MMC for data\n"); - return 1; // supported - } - } - - return 0; // NOT supported -} - -static int CheckSubQMMC() { - MMC_READ_CD cdb; - unsigned char buf[CD_FRAMESIZE_RAW + 96]; - - memset(&cdb, 0, sizeof(cdb)); - memset(buf, 0xAA, sizeof(buf)); - - cdb.Code = GPCMD_READ_CD; - cdb.IncludeEDC = 1; - cdb.IncludeUserData = 1; - cdb.HeaderCode = 3; - cdb.IncludeSyncData = 1; - cdb.SubChannelSelection = 1; - cdb.TransferBlocks[2] = 1; - - if (SendMMCCmd((unsigned char *)&cdb, sizeof(cdb), NULL, 0, buf, sizeof(buf)) == 0) { - if (buf[0] != 0xAA && (buf[2352] != 0xAA || buf[2353] != 0xAA)) { - PRINTF("Using MMC for subchannel\n"); - return 1; // supported - } - } - - return 0; // NOT supported -} - -int OpenCdHandle(const char *dev) { - char spindown; - - cdHandle = open(dev, O_RDONLY); - - if (cdHandle != -1) { - ioctl(cdHandle, CDROM_LOCKDOOR, 0); - - spindown = (char)SpinDown; - ioctl(cdHandle, CDROMSETSPINDOWN, &spindown); - - ioctl(cdHandle, CDROM_SELECT_SPEED, CdrSpeed); - - ReadMMC = CheckReadMMC(); - SubQMMC = CheckSubQMMC(); - - return 0; - } - - return -1; -} - -void CloseCdHandle() { - char spindown = SPINDOWN_VENDOR_SPECIFIC; - ioctl(cdHandle, CDROMSETSPINDOWN, &spindown); - - close(cdHandle); - - cdHandle = -1; -} - -int IsCdHandleOpen() { - return (cdHandle != -1); -} - -long GetTN(unsigned char *buffer) { - struct cdrom_tochdr toc; - - if (ioctl(cdHandle, CDROMREADTOCHDR, &toc) == -1) - return -1; - - buffer[0] = toc.cdth_trk0; // start track - buffer[1] = toc.cdth_trk1; // end track - - return 0; -} - -long GetTD(unsigned char track, unsigned char *buffer) { - struct cdrom_tocentry entry; - - if (track == 0) - track = 0xAA; // total time (leadout) - entry.cdte_track = track; - entry.cdte_format = CDROM_MSF; - - if (ioctl(cdHandle, CDROMREADTOCENTRY, &entry) == -1) - return -1; - - buffer[0] = entry.cdte_addr.msf.frame; - buffer[1] = entry.cdte_addr.msf.second; - buffer[2] = entry.cdte_addr.msf.minute; - - return 0; -} - -long GetTE(unsigned char track, unsigned char *m, unsigned char *s, unsigned char *f) { - struct cdrom_tocentry entry; - unsigned char msf[3]; - - if (GetTN(msf) == -1) return -1; - - entry.cdte_track = track + 1; - if (entry.cdte_track > msf[1]) entry.cdte_track = 0xaa; - - entry.cdte_format = CDROM_MSF; - - if (ioctl(cdHandle, CDROMREADTOCENTRY, &entry) == -1) - return -1; - - lba_to_msf(msf_to_lba(entry.cdte_addr.msf.minute, entry.cdte_addr.msf.second, entry.cdte_addr.msf.frame) - CD_MSF_OFFSET, msf); - - *m = msf[0]; - *s = msf[1]; - *f = msf[2]; - - return 0; -} - -long ReadSector(crdata *cr) { - if (ReadMMC) { - MMC_READ_CD cdb; - int lba; - - memset(&cdb, 0, sizeof(cdb)); - - lba = msf_to_lba(cr->msf.cdmsf_min0, cr->msf.cdmsf_sec0, cr->msf.cdmsf_frame0); - - cdb.Code = GPCMD_READ_CD; - cdb.IncludeEDC = 1; - cdb.IncludeUserData = 1; - cdb.HeaderCode = 3; - cdb.IncludeSyncData = 1; - cdb.SubChannelSelection = 0; - cdb.StartingLBA[1] = lba >> 16; - cdb.StartingLBA[2] = lba >> 8; - cdb.StartingLBA[3] = lba; - cdb.TransferBlocks[2] = 1; - - if (SendMMCCmd((unsigned char *)&cdb, sizeof(cdb), NULL, 0, (unsigned char *)cr, sizeof(*cr)) != 0) - return -1; - } else { - if (ioctl(cdHandle, CDROMREADRAW, cr) == -1) - return -1; - } - - return 0; -} - -long PlayCDDA(unsigned char *sector) { - struct cdrom_msf addr; - unsigned char ptmp[4]; - - // 0 is the last track of every cdrom, so play up to there - if (GetTD(0, ptmp) == -1) - return -1; - - addr.cdmsf_min0 = sector[0]; - addr.cdmsf_sec0 = sector[1]; - addr.cdmsf_frame0 = sector[2]; - addr.cdmsf_min1 = ptmp[2]; - addr.cdmsf_sec1 = ptmp[1]; - addr.cdmsf_frame1 = ptmp[0]; - - if (ioctl(cdHandle, CDROMPLAYMSF, &addr) == -1) - return -1; - - return 0; -} - -long StopCDDA() { - struct cdrom_subchnl sc; - - sc.cdsc_format = CDROM_MSF; - if (ioctl(cdHandle, CDROMSUBCHNL, &sc) == -1) - return -1; - - switch (sc.cdsc_audiostatus) { - case CDROM_AUDIO_PAUSED: - case CDROM_AUDIO_PLAY: - ioctl(cdHandle, CDROMSTOP); - break; - } - - return 0; -} - -long GetStatus(int playing, struct CdrStat *stat) { - struct cdrom_subchnl sc; - int ret; - char spindown; - - memset(stat, 0, sizeof(struct CdrStat)); - - if (playing) { // return Time only if playing - sc.cdsc_format = CDROM_MSF; - if (ioctl(cdHandle, CDROMSUBCHNL, &sc) != -1) - memcpy(stat->Time, &sc.cdsc_absaddr.msf, 3); - } - - ret = ioctl(cdHandle, CDROM_DISC_STATUS); - switch (ret) { - case CDS_AUDIO: - stat->Type = 0x02; - break; - case CDS_DATA_1: - case CDS_DATA_2: - case CDS_XA_2_1: - case CDS_XA_2_2: - stat->Type = 0x01; - break; - } - ret = ioctl(cdHandle, CDROM_DRIVE_STATUS); - switch (ret) { - case CDS_NO_DISC: - case CDS_TRAY_OPEN: - stat->Type = 0xff; - stat->Status |= 0x10; - break; - default: - spindown = (char)SpinDown; - ioctl(cdHandle, CDROMSETSPINDOWN, &spindown); - ioctl(cdHandle, CDROM_SELECT_SPEED, CdrSpeed); - ioctl(cdHandle, CDROM_LOCKDOOR, 0); - break; - } - - switch (sc.cdsc_audiostatus) { - case CDROM_AUDIO_PLAY: - stat->Status |= 0x80; - break; - } - - return 0; -} - -static unsigned char *ReadSubMMC(const unsigned char *time) { - static unsigned char buf[CD_FRAMESIZE_RAW + 96]; - int lba = msf_to_lba(btoi(time[0]), btoi(time[1]), btoi(time[2])); - MMC_READ_CD cdb; - - memset(&cdb, 0, sizeof(cdb)); - - cdb.Code = GPCMD_READ_CD; - cdb.IncludeEDC = 1; - cdb.IncludeUserData = 1; - cdb.HeaderCode = 3; - cdb.IncludeSyncData = 1; - cdb.StartingLBA[1] = lba >> 16; - cdb.StartingLBA[2] = lba >> 8; - cdb.StartingLBA[3] = lba; - cdb.TransferBlocks[2] = 1; - cdb.SubChannelSelection = 1; - - if (SendMMCCmd((unsigned char *)&cdb, sizeof(cdb), NULL, 0, buf, sizeof(buf)) != 0) - return NULL; - - DecodeRawSubData(buf + CD_FRAMESIZE_RAW); - return buf + CD_FRAMESIZE_RAW; -} - -static unsigned char *ReadSubIOCTL(const unsigned char *time) { - static struct SubQ subq; - struct cdrom_subchnl subchnl; - int r; - crdata cr; - unsigned short crc; - - cr.msf.cdmsf_min0 = btoi(time[0]); - cr.msf.cdmsf_sec0 = btoi(time[1]); - cr.msf.cdmsf_frame0 = btoi(time[2]); - - if (ioctl(cdHandle, CDROMSEEK, &cr.msf) == -1) { - // will be slower, but there's no other way to make it accurate - if (ioctl(cdHandle, CDROMREADRAW, &cr) == -1) { - return NULL; - } - } - - subchnl.cdsc_format = CDROM_MSF; - r = ioctl(cdHandle, CDROMSUBCHNL, &subchnl); - - if (r == -1) return NULL; - - subq.ControlAndADR = 0x41; - subq.TrackNumber = subchnl.cdsc_trk; - subq.IndexNumber = subchnl.cdsc_ind; - subq.TrackRelativeAddress[0] = itob(subchnl.cdsc_reladdr.msf.minute); - subq.TrackRelativeAddress[1] = itob(subchnl.cdsc_reladdr.msf.second); - subq.TrackRelativeAddress[2] = itob(subchnl.cdsc_reladdr.msf.frame); - subq.AbsoluteAddress[0] = itob(subchnl.cdsc_absaddr.msf.minute); - subq.AbsoluteAddress[1] = itob(subchnl.cdsc_absaddr.msf.second); - subq.AbsoluteAddress[2] = itob(subchnl.cdsc_absaddr.msf.frame); - - // CRC is not supported with IOCTL, fake it. - crc = calcCrc((unsigned char *)&subq + 12, 10); - subq.CRC[0] = (crc >> 8); - subq.CRC[1] = (crc & 0xFF); - - r = msf_to_lba(btoi(time[0]), btoi(time[1]), btoi(time[2])); - - if (GetTE(1, &cr.msf.cdmsf_min0, &cr.msf.cdmsf_sec0, &cr.msf.cdmsf_frame0) == -1) { - cr.msf.cdmsf_min0 = 80; - cr.msf.cdmsf_sec0 = 0; - cr.msf.cdmsf_frame0 = 0; - } - - if (msf_to_lba(cr.msf.cdmsf_min0, cr.msf.cdmsf_sec0, cr.msf.cdmsf_frame0) >= r && - (msf_to_lba(subchnl.cdsc_absaddr.msf.minute, subchnl.cdsc_absaddr.msf.second, subchnl.cdsc_absaddr.msf.frame) != r || - msf_to_lba(subchnl.cdsc_reladdr.msf.minute, subchnl.cdsc_reladdr.msf.second, subchnl.cdsc_reladdr.msf.frame) != r - CD_MSF_OFFSET)) - subq.CRC[1] ^= 1; // time mismatch; report wrong CRC - - PRINTF("subq : %x,%x : %x,%x,%x : %x,%x,%x\n", - subchnl.cdsc_trk, subchnl.cdsc_ind, - itob(subchnl.cdsc_reladdr.msf.minute), itob(subchnl.cdsc_reladdr.msf.second), itob(subchnl.cdsc_reladdr.msf.frame), - itob(subchnl.cdsc_absaddr.msf.minute), itob(subchnl.cdsc_absaddr.msf.second), itob(subchnl.cdsc_absaddr.msf.frame)); - - return (unsigned char *)&subq; -} - -unsigned char *ReadSub(const unsigned char *time) { - if (SubQMMC) return ReadSubMMC(time); - else return ReadSubIOCTL(time); -} - -#endif |