diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/libsdl-trunk/src/cdrom/beos/SDL_syscdrom.cc --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/cdrom/beos/SDL_syscdrom.cc Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,412 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#ifdef SDL_CDROM_BEOS + +/* Functions for system-level CD-ROM audio control on BeOS + (not completely implemented yet) + */ + +#include +#include +#include + +#include +#include +#include +#include + +#include "SDL_cdrom.h" +extern "C" { +#include "../SDL_syscdrom.h" +} + +/* Constants to help us get at the SCSI table-of-contents info */ +#define CD_NUMTRACKS(toc) toc.toc_data[3] +#define CD_TRACK(toc, track) (&toc.toc_data[6+(track)*8]) +#define CD_TRACK_N(toc, track) CD_TRACK(toc, track)[0] +#define CD_TRACK_M(toc, track) CD_TRACK(toc, track)[3] +#define CD_TRACK_S(toc, track) CD_TRACK(toc, track)[4] +#define CD_TRACK_F(toc, track) CD_TRACK(toc, track)[5] + +/* Constants to help us get at the SCSI position info */ +#define POS_TRACK(pos) pos.position[6] +#define POS_ABS_M(pos) pos.position[9] +#define POS_ABS_S(pos) pos.position[10] +#define POS_ABS_F(pos) pos.position[11] +#define POS_REL_M(pos) pos.position[13] +#define POS_REL_S(pos) pos.position[14] +#define POS_REL_F(pos) pos.position[15] + +/* The maximum number of CD-ROM drives we'll detect */ +#define MAX_DRIVES 16 + +/* A list of available CD-ROM drives */ +static char *SDL_cdlist[MAX_DRIVES]; + +/* The system-dependent CD control functions */ +static const char *SDL_SYS_CDName(int drive); +static int SDL_SYS_CDOpen(int drive); +static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); +static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); +static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); +static int SDL_SYS_CDPause(SDL_CD *cdrom); +static int SDL_SYS_CDResume(SDL_CD *cdrom); +static int SDL_SYS_CDStop(SDL_CD *cdrom); +static int SDL_SYS_CDEject(SDL_CD *cdrom); +static void SDL_SYS_CDClose(SDL_CD *cdrom); +int try_dir(const char *directory); + + +/* Check a drive to see if it is a CD-ROM */ +static int CheckDrive(char *drive) +{ + struct stat stbuf; + int is_cd, cdfd; + device_geometry info; + + /* If it doesn't exist, return -1 */ + if ( stat(drive, &stbuf) < 0 ) { + return(-1); + } + + /* If it does exist, verify that it's an available CD-ROM */ + is_cd = 0; + cdfd = open(drive, 0); + if ( cdfd >= 0 ) { + if ( ioctl(cdfd, B_GET_GEOMETRY, &info) == B_NO_ERROR ) { + if ( info.device_type == B_CD ) { + is_cd = 1; + } + } + close(cdfd); + } else { + /* This can happen when the drive is open .. (?) */; + is_cd = 1; + } + return(is_cd); +} + +/* Add a CD-ROM drive to our list of valid drives */ +static void AddDrive(char *drive) +{ + int i; + size_t len; + + if ( SDL_numcds < MAX_DRIVES ) { + /* Add this drive to our list */ + i = SDL_numcds; + len = SDL_strlen(drive)+1; + SDL_cdlist[i] = (char *)SDL_malloc(len); + if ( SDL_cdlist[i] == NULL ) { + SDL_OutOfMemory(); + return; + } + SDL_strlcpy(SDL_cdlist[i], drive, len); + ++SDL_numcds; +#ifdef CDROM_DEBUG + fprintf(stderr, "Added CD-ROM drive: %s\n", drive); +#endif + } +} + +/* IDE bus scanning magic */ +enum { + IDE_GET_DEVICES_INFO = B_DEVICE_OP_CODES_END + 50, +}; +struct ide_ctrl_info { + bool ide_0_present; + bool ide_0_master_present; + bool ide_0_slave_present; + int ide_0_master_type; + int ide_0_slave_type; + bool ide_1_present; + bool ide_1_master_present; + bool ide_1_slave_present; + int ide_1_master_type; + int ide_1_slave_type; +}; + +int SDL_SYS_CDInit(void) +{ + char *SDLcdrom; + int raw_fd; + struct ide_ctrl_info info; + + /* Fill in our driver capabilities */ + SDL_CDcaps.Name = SDL_SYS_CDName; + SDL_CDcaps.Open = SDL_SYS_CDOpen; + SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; + SDL_CDcaps.Status = SDL_SYS_CDStatus; + SDL_CDcaps.Play = SDL_SYS_CDPlay; + SDL_CDcaps.Pause = SDL_SYS_CDPause; + SDL_CDcaps.Resume = SDL_SYS_CDResume; + SDL_CDcaps.Stop = SDL_SYS_CDStop; + SDL_CDcaps.Eject = SDL_SYS_CDEject; + SDL_CDcaps.Close = SDL_SYS_CDClose; + + /* Look in the environment for our CD-ROM drive list */ + SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ + if ( SDLcdrom != NULL ) { + char *cdpath, *delim; + size_t len = SDL_strlen(SDLcdrom)+1; + cdpath = SDL_stack_alloc(char, len); + if ( cdpath != NULL ) { + SDL_strlcpy(cdpath, SDLcdrom, len); + SDLcdrom = cdpath; + do { + delim = SDL_strchr(SDLcdrom, ':'); + if ( delim ) { + *delim++ = '\0'; + } + if ( CheckDrive(SDLcdrom) > 0 ) { + AddDrive(SDLcdrom); + } + if ( delim ) { + SDLcdrom = delim; + } else { + SDLcdrom = NULL; + } + } while ( SDLcdrom ); + SDL_stack_free(cdpath); + } + + /* If we found our drives, there's nothing left to do */ + if ( SDL_numcds > 0 ) { + return(0); + } + } + + /* Scan the system for CD-ROM drives */ + try_dir("/dev/disk"); + return 0; +} + + +int try_dir(const char *directory) +{ + BDirectory dir; + dir.SetTo(directory); + if(dir.InitCheck() != B_NO_ERROR) { + return false; + } + dir.Rewind(); + BEntry entry; + while(dir.GetNextEntry(&entry) >= 0) { + BPath path; + const char *name; + entry_ref e; + + if(entry.GetPath(&path) != B_NO_ERROR) + continue; + name = path.Path(); + + if(entry.GetRef(&e) != B_NO_ERROR) + continue; + + if(entry.IsDirectory()) { + if(SDL_strcmp(e.name, "floppy") == 0) + continue; /* ignore floppy (it is not silent) */ + int devfd = try_dir(name); + if(devfd >= 0) + return devfd; + } + else { + int devfd; + device_geometry g; + + if(SDL_strcmp(e.name, "raw") != 0) + continue; /* ignore partitions */ + + devfd = open(name, O_RDONLY); + if(devfd < 0) + continue; + + if(ioctl(devfd, B_GET_GEOMETRY, &g, sizeof(g)) >= 0) { + if(g.device_type == B_CD) + { + AddDrive(strdup(name)); + } + } + close(devfd); + } + } + return B_ERROR; +} + + +/* General ioctl() CD-ROM command function */ +static int SDL_SYS_CDioctl(int index, int command, void *arg) +{ + int okay; + int fd; + + okay = 0; + fd = open(SDL_cdlist[index], 0); + if ( fd >= 0 ) { + if ( ioctl(fd, command, arg) == B_NO_ERROR ) { + okay = 1; + } + close(fd); + } + return(okay ? 0 : -1); +} + +static const char *SDL_SYS_CDName(int drive) +{ + return(SDL_cdlist[drive]); +} + +static int SDL_SYS_CDOpen(int drive) +{ + return(drive); +} + +static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) +{ + int i; + scsi_toc toc; + + if ( SDL_SYS_CDioctl(cdrom->id, B_SCSI_GET_TOC, &toc) == 0 ) { + cdrom->numtracks = CD_NUMTRACKS(toc); + if ( cdrom->numtracks > SDL_MAX_TRACKS ) { + cdrom->numtracks = SDL_MAX_TRACKS; + } + for ( i=0; i<=cdrom->numtracks; ++i ) { + cdrom->track[i].id = CD_TRACK_N(toc, i); + /* FIXME: How do we tell on BeOS? */ + cdrom->track[i].type = SDL_AUDIO_TRACK; + cdrom->track[i].offset = MSF_TO_FRAMES( + CD_TRACK_M(toc, i), + CD_TRACK_S(toc, i), + CD_TRACK_F(toc, i)); + cdrom->track[i].length = 0; + if ( i > 0 ) { + cdrom->track[i-1].length = + cdrom->track[i].offset- + cdrom->track[i-1].offset; + } + } + return(0); + } else { + return(-1); + } +} + +/* Get CD-ROM status */ +static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) +{ + CDstatus status; + int fd; + int cur_frame; + scsi_position pos; + + fd = open(SDL_cdlist[cdrom->id], 0); + cur_frame = 0; + if ( fd >= 0 ) { + if ( ioctl(fd, B_SCSI_GET_POSITION, &pos) == B_NO_ERROR ) { + cur_frame = MSF_TO_FRAMES( + POS_ABS_M(pos), POS_ABS_S(pos), POS_ABS_F(pos)); + } + if ( ! pos.position[1] || (pos.position[1] >= 0x13) || + ((pos.position[1] == 0x12) && (!pos.position[6])) ) { + status = CD_STOPPED; + } else + if ( pos.position[1] == 0x11 ) { + status = CD_PLAYING; + } else { + status = CD_PAUSED; + } + close(fd); + } else { + status = CD_TRAYEMPTY; + } + if ( position ) { + *position = cur_frame; + } + return(status); +} + +/* Start play */ +static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) +{ + int okay; + int fd; + scsi_play_position pos; + + okay = 0; + fd = open(SDL_cdlist[cdrom->id], 0); + if ( fd >= 0 ) { + FRAMES_TO_MSF(start, &pos.start_m, &pos.start_s, &pos.start_f); + FRAMES_TO_MSF(start+length, &pos.end_m, &pos.end_s, &pos.end_f); + if ( ioctl(fd, B_SCSI_PLAY_POSITION, &pos) == B_NO_ERROR ) { + okay = 1; + } + close(fd); + } + return(okay ? 0 : -1); +} + +/* Pause play */ +static int SDL_SYS_CDPause(SDL_CD *cdrom) +{ + return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_PAUSE_AUDIO, 0)); +} + +/* Resume play */ +static int SDL_SYS_CDResume(SDL_CD *cdrom) +{ + return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_RESUME_AUDIO, 0)); +} + +/* Stop play */ +static int SDL_SYS_CDStop(SDL_CD *cdrom) +{ + return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_STOP_AUDIO, 0)); +} + +/* Eject the CD-ROM */ +static int SDL_SYS_CDEject(SDL_CD *cdrom) +{ + return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_EJECT, 0)); +} + +/* Close the CD-ROM handle */ +static void SDL_SYS_CDClose(SDL_CD *cdrom) +{ + close(cdrom->id); +} + +void SDL_SYS_CDQuit(void) +{ + int i; + + if ( SDL_numcds > 0 ) { + for ( i=0; i