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author | Franklin Wei <git@fwei.tk> | 2017-01-21 15:18:31 -0500 |
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committer | Franklin Wei <git@fwei.tk> | 2017-12-23 21:01:26 -0500 |
commit | a855d6202536ff28e5aae4f22a0f31d8f5b325d0 (patch) | |
tree | 8c75f224dd64ed360505afa8843d016b0d75000b /apps/plugins/sdl/src/cdrom/osf/SDL_syscdrom.c | |
parent | 01c6dcf6c7b9bb1ad2fa0450f99bacc5f3d3e04b (diff) | |
download | rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.tar.gz rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.zip |
Port of Duke Nukem 3D
This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL
for Rockbox.
Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9
Diffstat (limited to 'apps/plugins/sdl/src/cdrom/osf/SDL_syscdrom.c')
-rw-r--r-- | apps/plugins/sdl/src/cdrom/osf/SDL_syscdrom.c | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/cdrom/osf/SDL_syscdrom.c b/apps/plugins/sdl/src/cdrom/osf/SDL_syscdrom.c new file mode 100644 index 0000000000..8478a7b4cf --- /dev/null +++ b/apps/plugins/sdl/src/cdrom/osf/SDL_syscdrom.c | |||
@@ -0,0 +1,444 @@ | |||
1 | /* | ||
2 | Tru64 audio module for SDL (Simple DirectMedia Layer) | ||
3 | Copyright (C) 2003 | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Library General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Library General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Library General Public | ||
16 | License along with this library; if not, write to the Free | ||
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | |||
19 | |||
20 | */ | ||
21 | #include "SDL_config.h" | ||
22 | |||
23 | #ifdef SDL_CDROM_OSF | ||
24 | |||
25 | /* Functions for system-level CD-ROM audio control */ | ||
26 | |||
27 | /* #define DEBUG_CDROM 1 */ | ||
28 | |||
29 | #include <sys/types.h> | ||
30 | #include <dirent.h> | ||
31 | #include <sys/stat.h> | ||
32 | #include <fcntl.h> | ||
33 | #include <io/cam/cdrom.h> | ||
34 | #include <io/cam/rzdisk.h> | ||
35 | #include <io/common/devgetinfo.h> | ||
36 | |||
37 | #include "SDL_cdrom.h" | ||
38 | #include "../SDL_syscdrom.h" | ||
39 | |||
40 | /* The maximum number of CD-ROM drives we'll detect */ | ||
41 | #define MAX_DRIVES 16 | ||
42 | |||
43 | /* A list of available CD-ROM drives */ | ||
44 | static char *SDL_cdlist[MAX_DRIVES]; | ||
45 | static dev_t SDL_cdmode[MAX_DRIVES]; | ||
46 | |||
47 | /* The system-dependent CD control functions */ | ||
48 | static const char *SDL_SYS_CDName(int drive); | ||
49 | static int SDL_SYS_CDOpen(int drive); | ||
50 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); | ||
51 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); | ||
52 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); | ||
53 | static int SDL_SYS_CDPause(SDL_CD *cdrom); | ||
54 | static int SDL_SYS_CDResume(SDL_CD *cdrom); | ||
55 | static int SDL_SYS_CDStop(SDL_CD *cdrom); | ||
56 | static int SDL_SYS_CDEject(SDL_CD *cdrom); | ||
57 | static void SDL_SYS_CDClose(SDL_CD *cdrom); | ||
58 | |||
59 | /* Check a drive to see if it is a CD-ROM */ | ||
60 | /* Caution!! Not tested. */ | ||
61 | static int CheckDrive(char *drive, struct stat *stbuf) | ||
62 | { | ||
63 | int cdfd, is_cd = 0; | ||
64 | struct mode_sel_sns_params msp; | ||
65 | struct inquiry_info inq; | ||
66 | |||
67 | #ifdef DEBUG_CDROM | ||
68 | char *devtype[] = {"Disk", "Tape", "Printer", "Processor", "WORM", | ||
69 | "CD-ROM", "Scanner", "Optical", "Changer", "Comm", "Unknown"}; | ||
70 | #endif | ||
71 | |||
72 | bzero(&msp, sizeof(msp)); | ||
73 | bzero(&inq, sizeof(inq)); | ||
74 | |||
75 | /* If it doesn't exist, return -1 */ | ||
76 | if ( stat(drive, stbuf) < 0 ) { | ||
77 | return(-1); | ||
78 | } | ||
79 | |||
80 | if ( (cdfd = open(drive, (O_RDWR|O_NDELAY), 0)) >= 0 ) { | ||
81 | msp.msp_addr = (caddr_t) &inq; | ||
82 | msp.msp_pgcode = 0; | ||
83 | msp.msp_pgctrl = 0; | ||
84 | msp.msp_length = sizeof(inq); | ||
85 | msp.msp_setps = 0; | ||
86 | |||
87 | if ( ioctl(cdfd, SCSI_GET_INQUIRY_DATA, &msp) ) | ||
88 | return (0); | ||
89 | |||
90 | #ifdef DEBUG_CDROM | ||
91 | fprintf(stderr, "Device Type: %s\n", devtype[inq.perfdt]); | ||
92 | fprintf(stderr, "Vendor: %.8s\n", inq.vndrid); | ||
93 | fprintf(stderr, "Product: %.8s\n", inq.prodid); | ||
94 | fprintf(stderr, "Revision: %.8s\n", inq.revlvl); | ||
95 | #endif | ||
96 | if ( inq.perfdt == DTYPE_RODIRECT ) | ||
97 | is_cd = 1; | ||
98 | } | ||
99 | |||
100 | return(is_cd); | ||
101 | } | ||
102 | |||
103 | /* Add a CD-ROM drive to our list of valid drives */ | ||
104 | static void AddDrive(char *drive, struct stat *stbuf) | ||
105 | { | ||
106 | int i; | ||
107 | |||
108 | if ( SDL_numcds < MAX_DRIVES ) { | ||
109 | /* Check to make sure it's not already in our list. | ||
110 | * This can happen when we see a drive via symbolic link. | ||
111 | * | ||
112 | */ | ||
113 | for ( i=0; i<SDL_numcds; ++i ) { | ||
114 | if ( stbuf->st_rdev == SDL_cdmode[i] ) { | ||
115 | #ifdef DEBUG_CDROM | ||
116 | fprintf(stderr, "Duplicate drive detected: %s == %s\n", drive, SDL_cdlist[i]); | ||
117 | #endif | ||
118 | return; | ||
119 | } | ||
120 | } | ||
121 | |||
122 | /* Add this drive to our list */ | ||
123 | i = SDL_numcds; | ||
124 | SDL_cdlist[i] = SDL_strdup(drive); | ||
125 | if ( SDL_cdlist[i] == NULL ) { | ||
126 | SDL_OutOfMemory(); | ||
127 | return; | ||
128 | } | ||
129 | SDL_cdmode[i] = stbuf->st_rdev; | ||
130 | ++SDL_numcds; | ||
131 | #ifdef DEBUG_CDROM | ||
132 | fprintf(stderr, "Added CD-ROM drive: %s\n", drive); | ||
133 | #endif | ||
134 | } | ||
135 | } | ||
136 | |||
137 | int SDL_SYS_CDInit(void) | ||
138 | { | ||
139 | /* checklist: | ||
140 | * | ||
141 | * Tru64 5.X (/dev/rdisk/cdrom?c) | ||
142 | * dir: /dev/rdisk, name: cdrom | ||
143 | * | ||
144 | * Digital UNIX 4.0X (/dev/rrz?c) | ||
145 | * dir: /dev, name: rrz | ||
146 | * | ||
147 | */ | ||
148 | struct { | ||
149 | char *dir; | ||
150 | char *name; | ||
151 | } checklist[] = { | ||
152 | {"/dev/rdisk", "cdrom"}, | ||
153 | {"/dev", "rrz"}, | ||
154 | {NULL, NULL}}; | ||
155 | char drive[32]; | ||
156 | char *SDLcdrom; | ||
157 | int i, j, exists; | ||
158 | struct stat stbuf; | ||
159 | |||
160 | /* Fill in our driver capabilities */ | ||
161 | SDL_CDcaps.Name = SDL_SYS_CDName; | ||
162 | SDL_CDcaps.Open = SDL_SYS_CDOpen; | ||
163 | SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; | ||
164 | SDL_CDcaps.Status = SDL_SYS_CDStatus; | ||
165 | SDL_CDcaps.Play = SDL_SYS_CDPlay; | ||
166 | SDL_CDcaps.Pause = SDL_SYS_CDPause; | ||
167 | SDL_CDcaps.Resume = SDL_SYS_CDResume; | ||
168 | SDL_CDcaps.Stop = SDL_SYS_CDStop; | ||
169 | SDL_CDcaps.Eject = SDL_SYS_CDEject; | ||
170 | SDL_CDcaps.Close = SDL_SYS_CDClose; | ||
171 | |||
172 | |||
173 | /* Look in the environment for our CD-ROM drive list */ | ||
174 | SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ | ||
175 | if ( SDLcdrom != NULL ) { | ||
176 | char *cdpath, *delim; | ||
177 | size_t len = SDL_strlen(SDLcdrom)+1; | ||
178 | cdpath = SDL_stack_alloc(char, len); | ||
179 | if ( cdpath != NULL ) { | ||
180 | SDL_strlcpy(cdpath, SDLcdrom, len); | ||
181 | SDLcdrom = cdpath; | ||
182 | do { | ||
183 | delim = SDL_strchr(SDLcdrom, ':'); | ||
184 | if ( delim ) { | ||
185 | *delim++ = '\0'; | ||
186 | } | ||
187 | if ( CheckDrive(SDLcdrom, &stbuf) > 0 ) { | ||
188 | AddDrive(SDLcdrom, &stbuf); | ||
189 | } | ||
190 | if ( delim ) { | ||
191 | SDLcdrom = delim; | ||
192 | } else { | ||
193 | SDLcdrom = NULL; | ||
194 | } | ||
195 | } while ( SDLcdrom ); | ||
196 | SDL_stack_free(cdpath); | ||
197 | } | ||
198 | |||
199 | /* If we found our drives, there's nothing left to do */ | ||
200 | if ( SDL_numcds > 0 ) { | ||
201 | return(0); | ||
202 | } | ||
203 | } | ||
204 | /* Scan the system for CD-ROM drives */ | ||
205 | for ( i = 0; checklist[i].dir; ++i) { | ||
206 | DIR *devdir; | ||
207 | struct dirent *devent; | ||
208 | int name_len; | ||
209 | |||
210 | devdir = opendir(checklist[i].dir); | ||
211 | if (devdir) { | ||
212 | name_len = SDL_strlen(checklist[i].name); | ||
213 | while (devent = readdir(devdir)) | ||
214 | if (SDL_memcmp(checklist[i].name, devent->d_name, name_len) == 0) | ||
215 | if (devent->d_name[devent->d_namlen-1] == 'c') { | ||
216 | SDL_snprintf(drive, SDL_arraysize(drive), "%s/%s", checklist[i].dir, devent->d_name); | ||
217 | #ifdef DEBUG_CDROM | ||
218 | fprintf(stderr, "Try to add drive: %s\n", drive); | ||
219 | #endif | ||
220 | if ( CheckDrive(drive, &stbuf) > 0 ) | ||
221 | AddDrive(drive, &stbuf); | ||
222 | } | ||
223 | closedir(devdir); | ||
224 | } else { | ||
225 | #ifdef DEBUG_CDROM | ||
226 | fprintf(stderr, "cannot open dir: %s\n", checklist[i].dir); | ||
227 | #endif | ||
228 | } | ||
229 | } | ||
230 | return (0); | ||
231 | } | ||
232 | |||
233 | static const char *SDL_SYS_CDName(int drive) | ||
234 | { | ||
235 | return(SDL_cdlist[drive]); | ||
236 | } | ||
237 | |||
238 | static int SDL_SYS_CDOpen(int drive) | ||
239 | { | ||
240 | /* O_RDWR: To use ioctl(fd, SCSI_STOP_UNIT) */ | ||
241 | return(open(SDL_cdlist[drive], (O_RDWR|O_NDELAY), 0)); | ||
242 | } | ||
243 | |||
244 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) | ||
245 | { | ||
246 | struct cd_toc toc; | ||
247 | struct cd_toc_header hdr; | ||
248 | struct cd_toc_entry *cdte; | ||
249 | int i; | ||
250 | int okay = 0; | ||
251 | if ( ioctl(cdrom->id, CDROM_TOC_HEADER, &hdr) ) { | ||
252 | fprintf(stderr,"ioctl error CDROM_TOC_HEADER\n"); | ||
253 | return -1; | ||
254 | } | ||
255 | cdrom->numtracks = hdr.th_ending_track - hdr.th_starting_track + 1; | ||
256 | if ( cdrom->numtracks > SDL_MAX_TRACKS ) { | ||
257 | cdrom->numtracks = SDL_MAX_TRACKS; | ||
258 | } | ||
259 | #ifdef DEBUG_CDROM | ||
260 | fprintf(stderr,"hdr.th_data_len1 = %d\n", hdr.th_data_len1); | ||
261 | fprintf(stderr,"hdr.th_data_len0 = %d\n", hdr.th_data_len0); | ||
262 | fprintf(stderr,"hdr.th_starting_track = %d\n", hdr.th_starting_track); | ||
263 | fprintf(stderr,"hdr.th_ending_track = %d\n", hdr.th_ending_track); | ||
264 | fprintf(stderr,"cdrom->numtracks = %d\n", cdrom->numtracks); | ||
265 | #endif | ||
266 | toc.toc_address_format = CDROM_LBA_FORMAT; | ||
267 | toc.toc_starting_track = 0; | ||
268 | toc.toc_alloc_length = (hdr.th_data_len1 << 8) + | ||
269 | hdr.th_data_len0 + sizeof(hdr); | ||
270 | if ( (toc.toc_buffer = alloca(toc.toc_alloc_length)) == NULL) { | ||
271 | fprintf(stderr,"cannot allocate toc.toc_buffer\n"); | ||
272 | return -1; | ||
273 | } | ||
274 | |||
275 | bzero (toc.toc_buffer, toc.toc_alloc_length); | ||
276 | if (ioctl(cdrom->id, CDROM_TOC_ENTRYS, &toc)) { | ||
277 | fprintf(stderr,"ioctl error CDROM_TOC_ENTRYS\n"); | ||
278 | return -1; | ||
279 | } | ||
280 | |||
281 | cdte =(struct cd_toc_entry *) ((char *) toc.toc_buffer + sizeof(hdr)); | ||
282 | for (i=0; i <= cdrom->numtracks; ++i) { | ||
283 | if (i == cdrom->numtracks ) { | ||
284 | cdrom->track[i].id = 0xAA;; | ||
285 | } else { | ||
286 | cdrom->track[i].id = hdr.th_starting_track + i; | ||
287 | } | ||
288 | |||
289 | cdrom->track[i].type = | ||
290 | cdte[i].te_control & CDROM_DATA_TRACK; | ||
291 | cdrom->track[i].offset = | ||
292 | cdte[i].te_absaddr.lba.addr3 << 24 | | ||
293 | cdte[i].te_absaddr.lba.addr2 << 16 | | ||
294 | cdte[i].te_absaddr.lba.addr1 << 8 | | ||
295 | cdte[i].te_absaddr.lba.addr0; | ||
296 | cdrom->track[i].length = 0; | ||
297 | if ( i > 0 ) { | ||
298 | cdrom->track[i - 1].length = | ||
299 | cdrom->track[i].offset - | ||
300 | cdrom->track[i - 1].offset; | ||
301 | } | ||
302 | } | ||
303 | #ifdef DEBUG_CDROM | ||
304 | for (i = 0; i <= cdrom->numtracks; i++) { | ||
305 | fprintf(stderr,"toc_entry[%d].te_track_number = %d\n", | ||
306 | i,cdte[i].te_track_number); | ||
307 | fprintf(stderr,"cdrom->track[%d].id = %d\n", i,cdrom->track[i].id); | ||
308 | fprintf(stderr,"cdrom->track[%d].type = %x\n", i,cdrom->track[i].type); | ||
309 | fprintf(stderr,"cdrom->track[%d].offset = %d\n", i,cdrom->track[i].offset); | ||
310 | fprintf(stderr,"cdrom->track[%d].length = %d\n", i,cdrom->track[i].length); | ||
311 | } | ||
312 | #endif | ||
313 | if ( i == (cdrom->numtracks+1) ) { | ||
314 | okay = 1; | ||
315 | } | ||
316 | |||
317 | return(okay ? 0 : -1); | ||
318 | } | ||
319 | |||
320 | /* Get CD-ROM status */ | ||
321 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) | ||
322 | { | ||
323 | CDstatus status; | ||
324 | struct cd_sub_channel sc; | ||
325 | struct cd_subc_channel_data scd; | ||
326 | |||
327 | sc.sch_address_format = CDROM_LBA_FORMAT; | ||
328 | sc.sch_data_format = CDROM_CURRENT_POSITION; | ||
329 | sc.sch_track_number = 0; | ||
330 | sc.sch_alloc_length = sizeof(scd); | ||
331 | sc.sch_buffer = (caddr_t)&scd; | ||
332 | if ( ioctl(cdrom->id, CDROM_READ_SUBCHANNEL, &sc) ) { | ||
333 | status = CD_ERROR; | ||
334 | fprintf(stderr,"ioctl error CDROM_READ_SUBCHANNEL \n"); | ||
335 | } else { | ||
336 | switch (scd.scd_header.sh_audio_status) { | ||
337 | case AS_AUDIO_INVALID: | ||
338 | status = CD_STOPPED; | ||
339 | break; | ||
340 | case AS_PLAY_IN_PROGRESS: | ||
341 | status = CD_PLAYING; | ||
342 | break; | ||
343 | case AS_PLAY_PAUSED: | ||
344 | status = CD_PAUSED; | ||
345 | break; | ||
346 | case AS_PLAY_COMPLETED: | ||
347 | status = CD_STOPPED; | ||
348 | break; | ||
349 | case AS_PLAY_ERROR: | ||
350 | status = CD_ERROR; | ||
351 | break; | ||
352 | case AS_NO_STATUS: | ||
353 | status = CD_STOPPED; | ||
354 | break; | ||
355 | default: | ||
356 | status = CD_ERROR; | ||
357 | break; | ||
358 | } | ||
359 | #ifdef DEBUG_CDROM | ||
360 | fprintf(stderr,"scd.scd_header.sh_audio_status = %x\n", | ||
361 | scd.scd_header.sh_audio_status); | ||
362 | #endif | ||
363 | } | ||
364 | if (position) { | ||
365 | if (status == CD_PLAYING || (status == CD_PAUSED) ) { | ||
366 | *position = | ||
367 | scd.scd_position_data.scp_absaddr.lba.addr3 << 24 | | ||
368 | scd.scd_position_data.scp_absaddr.lba.addr2 << 16 | | ||
369 | scd.scd_position_data.scp_absaddr.lba.addr1 << 8 | | ||
370 | scd.scd_position_data.scp_absaddr.lba.addr0; | ||
371 | } else { | ||
372 | *position = 0; | ||
373 | } | ||
374 | } | ||
375 | |||
376 | return status; | ||
377 | } | ||
378 | |||
379 | /* Start play */ | ||
380 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) | ||
381 | { | ||
382 | /* | ||
383 | * Play MSF | ||
384 | */ | ||
385 | struct cd_play_audio_msf msf; | ||
386 | int end; | ||
387 | |||
388 | bzero(&msf, sizeof(msf)); | ||
389 | end = start +length; | ||
390 | FRAMES_TO_MSF(start + 150, /* LBA = 4500*M + 75*S + F - 150 */ | ||
391 | &msf.msf_starting_M_unit, | ||
392 | &msf.msf_starting_S_unit, | ||
393 | &msf.msf_starting_F_unit); | ||
394 | FRAMES_TO_MSF(end + 150, /* LBA = 4500*M + 75*S + F - 150 */ | ||
395 | &msf.msf_ending_M_unit, | ||
396 | &msf.msf_ending_S_unit, | ||
397 | &msf.msf_ending_F_unit); | ||
398 | |||
399 | return(ioctl(cdrom->id, CDROM_PLAY_AUDIO_MSF, &msf)); | ||
400 | } | ||
401 | |||
402 | /* Pause play */ | ||
403 | static int SDL_SYS_CDPause(SDL_CD *cdrom) | ||
404 | { | ||
405 | return(ioctl(cdrom->id, CDROM_PAUSE_PLAY)); | ||
406 | } | ||
407 | |||
408 | /* Resume play */ | ||
409 | static int SDL_SYS_CDResume(SDL_CD *cdrom) | ||
410 | { | ||
411 | return(ioctl(cdrom->id, CDROM_RESUME_PLAY)); | ||
412 | } | ||
413 | |||
414 | /* Stop play */ | ||
415 | static int SDL_SYS_CDStop(SDL_CD *cdrom) | ||
416 | { | ||
417 | return(ioctl(cdrom->id, SCSI_STOP_UNIT)); | ||
418 | } | ||
419 | |||
420 | /* Eject the CD-ROM */ | ||
421 | static int SDL_SYS_CDEject(SDL_CD *cdrom) | ||
422 | { | ||
423 | return(ioctl(cdrom->id, CDROM_EJECT_CADDY)); | ||
424 | } | ||
425 | |||
426 | /* Close the CD-ROM handle */ | ||
427 | static void SDL_SYS_CDClose(SDL_CD *cdrom) | ||
428 | { | ||
429 | close(cdrom->id); | ||
430 | } | ||
431 | |||
432 | void SDL_SYS_CDQuit(void) | ||
433 | { | ||
434 | int i; | ||
435 | |||
436 | if ( SDL_numcds > 0 ) { | ||
437 | for ( i=0; i<SDL_numcds; ++i ) { | ||
438 | SDL_free(SDL_cdlist[i]); | ||
439 | } | ||
440 | SDL_numcds = 0; | ||
441 | } | ||
442 | } | ||
443 | |||
444 | #endif /* SDL_CDROM_OSF */ | ||