1 /*
2 * This file is part of WorkMan, the civilized CD player library
3 * Copyright (C) 1991-1997 by Steven Grimm <koreth@midwinter.com>
4 * Copyright (C) by Dirk Försterling <milliByte@DeathsDoor.com>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the Free
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 *
21 * Sony NEWS-specific drive control routines.
22 */
23
24 #if defined( __sony_news) || defined(sony_news)
25
26 #include <errno.h>
27 #include <stdio.h>
28 #include <fcntl.h>
29 #include <ustat.h>
30 #include <CD.h>
31 #include <sys/types.h>
32 #include <sys/param.h>
33 #include <sys/stat.h>
34 #include <sys/time.h>
35
36 #include "include/wm_config.h"
37 #include "include/wm_struct.h"
38 #include "include/wm_cdtext.h"
39
40 #define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
41
42 void *malloc();
43 char *strchr();
44
45 extern int intermittent_dev;
46
47 int min_volume = 128;
48 int max_volume = 255;
49
50 /*
51 * Initialize the drive. A no-op for the generic driver.
52 */
53 int
gen_init(struct wm_drive * d)54 gen_init( struct wm_drive *d )
55 {
56 return 0;
57 } /* gen_init() */
58
59 /*
60 * Open the CD device and figure out what kind of drive is attached.
61 */
62 int
gen_open(struct wm_drive * d)63 gen_open( struct wm_drive *d )
64 {
65 if (d->fd > -1) { /* Device already open? */
66 wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "gen_open(): [device is open (fd=%d)]\n", d->fd);
67 return 0;
68 }
69
70 intermittent_dev = 1;
71
72 if ((d->fd = CD_Open(d->cd_device, 0)) < 0) {
73 /* Solaris 2.2 volume manager moves links around */
74 if (errno == ENOENT && intermittent_dev)
75 return 0;
76
77 if (errno == EACCES)
78 return -EACCES;
79 else if (errno != EIO) /* defined at top */
80 return -6;
81
82 /* No CD in drive. */
83 return 1;
84 }
85
86 return 0;
87 } /* gen_open() */
88
89 /*
90 * Pass SCSI commands to the device.
91 */
92 int
gen_scsi(struct wm_drive * d,unsigned char * cdb,int cdblen,unsigned char * buf,int buflen,int getreply)93 gen_scsi(struct wm_drive *d, unsigned char *cdb, int cdblen,
94 unsigned char *buf, int buflen, int getreply)
95 {
96 /* NEWS can't do SCSI passthrough... or can it? */
97 return -1;
98 } /* gen_scsi() */
99
100 int
gen_close(struct wm_drive * d)101 gen_close( struct wm_drive *d )
102 {
103 int ret = 0;
104 if(d->fd != -1) {
105 wm_lib_message(WM_MSG_LEVEL_DEBUG|WM_MSG_CLASS, "closing the device.\n");
106 ret = CD_Close(d->fd);
107 d->fd = -1;
108 wm_susleep(3000000);
109 }
110 return ret;
111 }
112
113 /*
114 * Get the current status of the drive: the current play mode, the absolute
115 * position from start of disc (in frames), and the current track and index
116 * numbers if the CD is playing or paused.
117 */
118 int
gen_get_drive_status(struct wm_drive * d,int oldmode,int * mode,int * pos,int * track,int * index)119 gen_get_drive_status( struct wm_drive *d, int oldmode,
120 int *mode, int *pos, int *track, int *index)
121 {
122 struct CD_Status sc;
123
124 /* If we can't get status, the CD is ejected, so default to that. */
125 *mode = WM_CDM_EJECTED;
126
127 /* Is the device open? */
128 if (d->fd < 0) {
129 switch (d->proto.open(d)) {
130 case -1: /* error */
131 return -1;
132
133 case 1: /* retry */
134 return 0;
135 }
136 }
137
138 /* Disc is ejected. Close the device. */
139 if (CD_GetStatus(d->fd, &sc)) {
140 gen_close(d);
141 return 0;
142 }
143
144 switch (sc.status) {
145 case CDSTAT_PLAY:
146 *mode = WM_CDM_PLAYING;
147 break;
148
149 case CDSTAT_PAUSE:
150 if (oldmode == WM_CDM_PLAYING || oldmode == WM_CDM_PAUSED)
151 *mode = WM_CDM_PAUSED;
152 else
153 *mode = WM_CDM_STOPPED;
154 break;
155
156 case CDSTAT_STOP:
157 if (oldmode == WM_CDM_PLAYING) {
158 *mode = WM_CDM_TRACK_DONE; /* waiting for next track. */
159 break;
160 }
161 /* fall through */
162
163 default:
164 *mode = WM_CDM_STOPPED;
165 break;
166 }
167
168 switch(*mode) {
169 case WM_CDM_PLAYING:
170 case WM_CDM_PAUSED:
171 *track = sc.tno;
172 *index = sc.index;
173 *pos = sc.baddr;
174 break;
175 }
176
177 return 0;
178 } /* gen_get_drive_status() */
179
180 /*
181 * Get the number of tracks on the CD.
182 */
183 int
gen_get_trackcount(struct wm_drive * d,int * tracks)184 gen_get_trackcount(struct wm_drive *d, int *tracks)
185 {
186 struct CD_Capacity cc;
187
188 if (CD_GetCapacity(d->fd, &cc))
189 return -1;
190
191 *tracks = cc.etrack - 1;
192 return 0;
193 } /* gen_get_trackcount() */
194
195 /*
196 * Get the start time and mode (data or audio) of a track.
197 */
198 int
gen_get_trackinfo(struct wm_drive * d,int track,int * data,int * startframe)199 gen_get_trackinfo( struct wm_drive *d, int track, int *data, int *startframe )
200 {
201 struct CD_TOCinfo hdr;
202 struct CD_TOCdata ent;
203
204 hdr.strack = track;
205 hdr.ntrack = 1;
206 hdr.data = &ent;
207 if (CD_ReadTOC(d->fd, &hdr))
208 return (-1);
209
210 *data = (ent.control & 4) ? 1 : 0;
211 *startframe = ent.baddr;
212
213 return 0;
214 } /* gen_get_trackinfo */
215
216 /*
217 * Get the number of frames on the CD.
218 */
219 int
gen_get_cdlen(struct wm_drive * d,int * frames)220 gen_get_cdlen( struct wm_drive *d, int *frames )
221 {
222 int tmp;
223
224 if ((d->get_trackcount)(d, &tmp))
225 return -1;
226
227 return gen_get_trackinfo(d, tmp + 1, &tmp, frames);
228 } /* gen_get_cdlen() */
229
230
231 /*
232 * Play the CD from one position to another (both in frames.)
233 */
234 int
gen_play(struct wm_drive * d,int start,int end)235 gen_play( struct wm_drive *d, int start, int end )
236 {
237 struct CD_PlayAddr msf;
238
239 msf.addrmode = CD_MSF;
240 msf.addr.msf.startmsf.min = start / (60*75);
241 msf.addr.msf.startmsf.sec = (start % (60*75)) / 75;
242 msf.addr.msf.startmsf.frame = start % 75;
243 msf.addr.msf.endmsf.min = end / (60*75);
244 msf.addr.msf.endmsf.sec = (end % (60*75)) / 75;
245 msf.addr.msf.endmsf.frame = end % 75;
246
247 if (CD_Play(d->fd, &msf)) {
248 wm_lib_message(WM_MSG_LEVEL_ERROR|WM_MSG_CLASS,
249 "wm_cd_play_chunk(%d,%d)\n",start,end);
250 wm_lib_message(WM_MSG_LEVEL_ERROR|WM_MSG_CLASS,
251 "msf = %d:%d:%d %d:%d:%d\n",
252 msf.addr.msf.startmsf.min,
253 msf.addr.msf.startmsf.sec,
254 msf.addr.msf.startmsf.frame,
255 msf.addr.msf.endmsf.min,
256 msf.addr.msf.endmsf.sec,
257 msf.addr.msf.endmsf.frame);
258 wm_lib_message(WM_MSG_LEVEL_ERROR|WM_MSG_CLASS,
259 "CD_Play");
260 return -1;
261 }
262
263 return 0;
264 } /* gen_play() */
265
266 /*
267 * Pause the CD.
268 */
269 int
gen_pause(struct wm_drive * d)270 gen_pause( struct wm_drive *d )
271 {
272 CD_Pause(d->fd);
273 return 0;
274 } /* gen_pause() */
275
276 /*
277 * Resume playing the CD (assuming it was paused.)
278 */
279 int
gen_resume(struct wm_drive * d)280 gen_resume( struct wm_drive *d )
281 {
282 CD_Restart(d->fd);
283 return 0;
284 } /* gen_resume() */
285
286 /*
287 * Stop the CD.
288 */
289 int
gen_stop(struct wm_drive * d)290 gen_stop( struct wm_drive *d )
291 {
292 CD_Stop(d->fd);
293 return 0;
294 } /* gen_stop() */
295
296 /*
297 * Eject the current CD, if there is one.
298 */
299 int
gen_eject(struct wm_drive * d)300 gen_eject( struct wm_drive *d )
301 {
302 struct stat stbuf;
303 struct ustat ust;
304
305 if (fstat(d->fd, &stbuf) != 0)
306 return -2;
307
308 /* Is this a mounted filesystem? */
309 if (ustat(stbuf.st_rdev, &ust) == 0)
310 return -3;
311
312 if (CD_AutoEject(d->fd))
313 return -1);
314
315 /* Close the device if it needs to vanish. */
316 if (intermittent_dev)
317 gen_close(d);
318
319 return 0;
320 } /* gen_eject() */
321
322 /*----------------------------------------*
323 * Close the CD tray
324 *
325 * Please edit and send changes to
326 * milliByte@DeathsDoor.com
327 *----------------------------------------*/
328 int
329 gen_closetray(struct wm_drive *d)
330 {
331 return -1;
332 } /* gen_closetray() */
333
334
335 /*
336 * Set the volume level for the left and right channels. Their values
337 * range from 0 to 100.
338 */
339 int
340 gen_set_volume( struct wm_drive *d, int left, int right)
341 {
342 /* NEWS can't adjust volume! */
343 return 0;
344 }
345
346 /*
347 * Read the initial volume from the drive, if available. Each channel
348 * ranges from 0 to 100, with -1 indicating data not available.
349 */
350 int
351 gen_get_volume( struct wm_drive *d, omt *left, int *right)
352 {
353 /* Suns, HPs, Linux, NEWS can't read the volume; oh well */
354 *left = *right = -1;
355 return 0;
356 } /* gen_get_volume() */
357
358 #endif
359