1 /* $FreeBSD$ */ 2 3 /*- 4 * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 29 #include <sys/soundcard.h> 30 #include <dev/sound/pcm/sound.h> 31 #include <dev/sound/chip.h> 32 33 #include <dev/sound/usb/uaudio.h> 34 35 #include "mixer_if.h" 36 37 struct ua_info; 38 39 struct ua_chinfo { 40 struct ua_info *parent; 41 struct pcm_channel *channel; 42 struct snd_dbuf *buffer; 43 u_char *buf; 44 int dir, hwch; 45 u_int32_t fmt, spd, blksz; /* XXXXX */ 46 }; 47 48 struct ua_info { 49 device_t sc_dev; 50 u_int32_t bufsz; 51 struct ua_chinfo pch, rch; 52 #define FORMAT_NUM 32 53 u_int32_t ua_playfmt[FORMAT_NUM*2+1]; /* FORMAT_NUM format * (stereo or mono) + endptr */ 54 u_int32_t ua_recfmt[FORMAT_NUM*2+1]; /* FORMAT_NUM format * (stereo or mono) + endptr */ 55 struct pcmchan_caps ua_playcaps; 56 struct pcmchan_caps ua_reccaps; 57 }; 58 59 #define UAUDIO_DEFAULT_BUFSZ 16*1024 60 61 /************************************************************/ 62 static void * 63 ua_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 64 { 65 device_t pa_dev; 66 67 struct ua_info *sc = devinfo; 68 struct ua_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 69 70 ch->parent = sc; 71 ch->channel = c; 72 ch->buffer = b; 73 ch->dir = dir; 74 75 pa_dev = device_get_parent(sc->sc_dev); 76 77 ch->buf = malloc(sc->bufsz, M_DEVBUF, M_NOWAIT); 78 if (ch->buf == NULL) 79 return NULL; 80 if (sndbuf_setup(b, ch->buf, sc->bufsz) != 0) { 81 free(ch->buf, M_DEVBUF); 82 return NULL; 83 } 84 uaudio_chan_set_param_pcm_dma_buff(pa_dev, ch->buf, ch->buf+sc->bufsz, ch->channel, dir); 85 if (bootverbose) 86 device_printf(pa_dev, "%s buf %p\n", (dir == PCMDIR_PLAY)? 87 "play" : "rec", sndbuf_getbuf(ch->buffer)); 88 89 ch->dir = dir; 90 #ifndef NO_RECORDING 91 ch->hwch = 1; 92 if (dir == PCMDIR_PLAY) 93 ch->hwch = 2; 94 #else 95 ch->hwch = 2; 96 #endif 97 98 return ch; 99 } 100 101 static int 102 ua_chan_free(kobj_t obj, void *data) 103 { 104 struct ua_chinfo *ua = data; 105 106 if (ua->buf != NULL) 107 free(ua->buf, M_DEVBUF); 108 return 0; 109 } 110 111 static int 112 ua_chan_setformat(kobj_t obj, void *data, u_int32_t format) 113 { 114 device_t pa_dev; 115 struct ua_info *ua; 116 117 struct ua_chinfo *ch = data; 118 119 /* 120 * At this point, no need to query as we shouldn't select an unsorted format 121 */ 122 ua = ch->parent; 123 pa_dev = device_get_parent(ua->sc_dev); 124 uaudio_chan_set_param_format(pa_dev, format, ch->dir); 125 126 ch->fmt = format; 127 return 0; 128 } 129 130 static int 131 ua_chan_setspeed(kobj_t obj, void *data, u_int32_t speed) 132 { 133 struct ua_chinfo *ch; 134 device_t pa_dev; 135 int bestspeed; 136 137 ch = data; 138 pa_dev = device_get_parent(ch->parent->sc_dev); 139 140 if ((bestspeed = uaudio_chan_set_param_speed(pa_dev, speed, ch->dir))) 141 ch->spd = bestspeed; 142 143 return ch->spd; 144 } 145 146 static int 147 ua_chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 148 { 149 device_t pa_dev; 150 struct ua_chinfo *ch = data; 151 struct ua_info *ua = ch->parent; 152 153 if (blocksize) { 154 RANGE(blocksize, 128, ua->bufsz / 2); 155 if (sndbuf_resize(ch->buffer, ua->bufsz/blocksize, blocksize) != 0) { 156 ch->blksz = blocksize; 157 } 158 } 159 pa_dev = device_get_parent(ua->sc_dev); 160 uaudio_chan_set_param_blocksize(pa_dev, blocksize, ch->dir); 161 162 return ch->blksz; 163 } 164 165 static int 166 ua_chan_trigger(kobj_t obj, void *data, int go) 167 { 168 device_t pa_dev; 169 struct ua_info *ua; 170 struct ua_chinfo *ch = data; 171 172 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 173 return 0; 174 175 ua = ch->parent; 176 pa_dev = device_get_parent(ua->sc_dev); 177 178 /* XXXXX */ 179 if (ch->dir == PCMDIR_PLAY) { 180 if (go == PCMTRIG_START) { 181 uaudio_trigger_output(pa_dev); 182 } else { 183 uaudio_halt_out_dma(pa_dev); 184 } 185 } else { 186 #ifndef NO_RECORDING 187 if (go == PCMTRIG_START) 188 uaudio_trigger_input(pa_dev); 189 else 190 uaudio_halt_in_dma(pa_dev); 191 #endif 192 } 193 194 return 0; 195 } 196 197 static int 198 ua_chan_getptr(kobj_t obj, void *data) 199 { 200 device_t pa_dev; 201 struct ua_info *ua; 202 struct ua_chinfo *ch = data; 203 204 ua = ch->parent; 205 pa_dev = device_get_parent(ua->sc_dev); 206 207 return uaudio_chan_getptr(pa_dev, ch->dir); 208 } 209 210 static struct pcmchan_caps * 211 ua_chan_getcaps(kobj_t obj, void *data) 212 { 213 struct ua_chinfo *ch; 214 215 ch = data; 216 return (ch->dir == PCMDIR_PLAY) ? &(ch->parent->ua_playcaps) : &(ch->parent->ua_reccaps); 217 } 218 219 static kobj_method_t ua_chan_methods[] = { 220 KOBJMETHOD(channel_init, ua_chan_init), 221 KOBJMETHOD(channel_free, ua_chan_free), 222 KOBJMETHOD(channel_setformat, ua_chan_setformat), 223 KOBJMETHOD(channel_setspeed, ua_chan_setspeed), 224 KOBJMETHOD(channel_setblocksize, ua_chan_setblocksize), 225 KOBJMETHOD(channel_trigger, ua_chan_trigger), 226 KOBJMETHOD(channel_getptr, ua_chan_getptr), 227 KOBJMETHOD(channel_getcaps, ua_chan_getcaps), 228 { 0, 0 } 229 }; 230 231 CHANNEL_DECLARE(ua_chan); 232 233 /************************************************************/ 234 static int 235 ua_mixer_init(struct snd_mixer *m) 236 { 237 u_int32_t mask; 238 device_t pa_dev; 239 struct snddev_info *d; 240 struct ua_info *ua = mix_getdevinfo(m); 241 242 pa_dev = device_get_parent(ua->sc_dev); 243 d = device_get_softc(ua->sc_dev); 244 245 mask = uaudio_query_mix_info(pa_dev); 246 if (d && !(mask & SOUND_MIXER_PCM)) { 247 /* 248 * Emulate missing pcm mixer controller 249 * through FEEDER_VOLUME 250 */ 251 d->flags |= SD_F_SOFTVOL; 252 } 253 mix_setdevs(m, mask); 254 255 mask = uaudio_query_recsrc_info(pa_dev); 256 mix_setrecdevs(m, mask); 257 258 return 0; 259 } 260 261 static int 262 ua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right) 263 { 264 device_t pa_dev; 265 struct ua_info *ua = mix_getdevinfo(m); 266 267 pa_dev = device_get_parent(ua->sc_dev); 268 uaudio_mixer_set(pa_dev, type, left, right); 269 270 return left | (right << 8); 271 } 272 273 static int 274 ua_mixer_setrecsrc(struct snd_mixer *m, u_int32_t src) 275 { 276 device_t pa_dev; 277 struct ua_info *ua = mix_getdevinfo(m); 278 279 pa_dev = device_get_parent(ua->sc_dev); 280 return uaudio_mixer_setrecsrc(pa_dev, src); 281 } 282 283 static kobj_method_t ua_mixer_methods[] = { 284 KOBJMETHOD(mixer_init, ua_mixer_init), 285 KOBJMETHOD(mixer_set, ua_mixer_set), 286 KOBJMETHOD(mixer_setrecsrc, ua_mixer_setrecsrc), 287 288 { 0, 0 } 289 }; 290 MIXER_DECLARE(ua_mixer); 291 /************************************************************/ 292 293 294 static int 295 ua_probe(device_t dev) 296 { 297 char *s; 298 struct sndcard_func *func; 299 300 /* The parent device has already been probed. */ 301 302 func = device_get_ivars(dev); 303 if (func == NULL || func->func != SCF_PCM) 304 return (ENXIO); 305 306 s = "USB Audio"; 307 308 device_set_desc(dev, s); 309 return BUS_PROBE_DEFAULT; 310 } 311 312 static int 313 ua_attach(device_t dev) 314 { 315 struct ua_info *ua; 316 char status[SND_STATUSLEN]; 317 device_t pa_dev; 318 u_int32_t nplay, nrec; 319 int i; 320 321 ua = (struct ua_info *)malloc(sizeof *ua, M_DEVBUF, M_ZERO | M_NOWAIT); 322 if (ua == NULL) 323 return ENXIO; 324 325 ua->sc_dev = dev; 326 327 pa_dev = device_get_parent(dev); 328 329 ua->bufsz = pcm_getbuffersize(dev, 4096, UAUDIO_DEFAULT_BUFSZ, 65536); 330 if (bootverbose) 331 device_printf(dev, "using a default buffer size of %jd\n", (intmax_t)ua->bufsz); 332 333 if (mixer_init(dev, &ua_mixer_class, ua)) { 334 goto bad; 335 } 336 337 snprintf(status, SND_STATUSLEN, "at ? %s", PCM_KLDSTRING(snd_uaudio)); 338 339 ua->ua_playcaps.fmtlist = ua->ua_playfmt; 340 ua->ua_reccaps.fmtlist = ua->ua_recfmt; 341 nplay = uaudio_query_formats(pa_dev, PCMDIR_PLAY, FORMAT_NUM * 2, &ua->ua_playcaps); 342 nrec = uaudio_query_formats(pa_dev, PCMDIR_REC, FORMAT_NUM * 2, &ua->ua_reccaps); 343 344 if (nplay > 1) 345 nplay = 1; 346 if (nrec > 1) 347 nrec = 1; 348 349 #ifndef NO_RECORDING 350 if (pcm_register(dev, ua, nplay, nrec)) { 351 #else 352 if (pcm_register(dev, ua, nplay, 0)) { 353 #endif 354 goto bad; 355 } 356 357 sndstat_unregister(dev); 358 uaudio_sndstat_register(dev); 359 360 for (i = 0; i < nplay; i++) { 361 pcm_addchan(dev, PCMDIR_PLAY, &ua_chan_class, ua); 362 } 363 #ifndef NO_RECORDING 364 for (i = 0; i < nrec; i++) { 365 pcm_addchan(dev, PCMDIR_REC, &ua_chan_class, ua); 366 } 367 #endif 368 pcm_setstatus(dev, status); 369 370 return 0; 371 372 bad: free(ua, M_DEVBUF); 373 return ENXIO; 374 } 375 376 static int 377 ua_detach(device_t dev) 378 { 379 int r; 380 struct ua_info *sc; 381 382 r = pcm_unregister(dev); 383 if (r) 384 return r; 385 386 sc = pcm_getdevinfo(dev); 387 free(sc, M_DEVBUF); 388 389 return 0; 390 } 391 392 /************************************************************/ 393 394 static device_method_t ua_pcm_methods[] = { 395 /* Device interface */ 396 DEVMETHOD(device_probe, ua_probe), 397 DEVMETHOD(device_attach, ua_attach), 398 DEVMETHOD(device_detach, ua_detach), 399 400 { 0, 0 } 401 }; 402 403 static driver_t ua_pcm_driver = { 404 "pcm", 405 ua_pcm_methods, 406 PCM_SOFTC_SIZE, 407 }; 408 409 410 DRIVER_MODULE(ua_pcm, uaudio, ua_pcm_driver, pcm_devclass, 0, 0); 411 MODULE_DEPEND(ua_pcm, uaudio, 1, 1, 1); 412 MODULE_DEPEND(ua_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 413 MODULE_VERSION(ua_pcm, 1); 414