tms320av110.c revision 1.18.28.1
1 /* $NetBSD: tms320av110.c,v 1.18.28.1 2007/02/27 14:16:03 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Machine independent part of TMS320AV110 driver. 41 * 42 * Currently, only minimum support for audio output. For audio/video 43 * synchronization, more is needed. 44 */ 45 46 #include <sys/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: tms320av110.c,v 1.18.28.1 2007/02/27 14:16:03 ad Exp $"); 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/kernel.h> 52 #include <sys/device.h> 53 #include <sys/proc.h> 54 55 #include <sys/audioio.h> 56 #include <dev/audio_if.h> 57 58 #include <dev/ic/tms320av110reg.h> 59 #include <dev/ic/tms320av110var.h> 60 61 #include <machine/bus.h> 62 63 int tav_open(void *, int); 64 void tav_close(void *); 65 int tav_drain(void *); 66 int tav_query_encoding(void *, struct audio_encoding *); 67 int tav_set_params(void *, int, int, audio_params_t *, audio_params_t *, 68 stream_filter_list_t *, stream_filter_list_t *); 69 int tav_round_blocksize(void *, int, int, const audio_params_t *); 70 int tav_init_output(void *, void *, int); 71 int tav_start_output(void *, void *, int, void (*)(void *), void *); 72 int tav_start_input(void *, void *, int, void (*)(void *), void *); 73 int tav_halt_output(void *); 74 int tav_halt_input(void *); 75 int tav_speaker_ctl(void *, int); 76 int tav_getdev(void *, struct audio_device *); 77 int tav_setfd(void *, int); 78 int tav_set_port(void *, mixer_ctrl_t *); 79 int tav_get_port(void *, mixer_ctrl_t *); 80 int tav_query_devinfo(void *, mixer_devinfo_t *); 81 int tav_get_props(void *); 82 83 const struct audio_hw_if tav_audio_if = { 84 tav_open, 85 tav_close, 86 0 /* tav_drain*/, /* optional */ 87 tav_query_encoding, 88 tav_set_params, 89 tav_round_blocksize, 90 0 /* commit_settings */, /* optional */ 91 tav_init_output, /* optional */ 92 0 /* tav_init_input */, /* optional */ 93 tav_start_output, 94 tav_start_input, 95 tav_halt_output, 96 tav_halt_input, 97 tav_speaker_ctl, /* optional */ 98 tav_getdev, 99 0 /* setfd */, /* optional */ 100 tav_set_port, 101 tav_get_port, 102 tav_query_devinfo, 103 0 /* alloc */, /* optional */ 104 0 /* free */, /* optional */ 105 0 /* round_buffersize */, /* optional */ 106 0 /* mappage */, /* optional */ 107 tav_get_props, 108 0 /* dev_ioctl */ /* optional */, 109 tav_get_lock, 110 }; 111 112 void 113 tms320av110_attach_mi(struct tav_softc *sc) 114 { 115 bus_space_tag_t iot; 116 bus_space_handle_t ioh; 117 118 iot = sc->sc_iot; 119 ioh = sc->sc_ioh; 120 tav_write_byte(iot, ioh, TAV_RESET, 1); 121 while (tav_read_byte(iot, ioh, TAV_RESET)) 122 delay(250); 123 124 tav_write_byte(iot, ioh, TAV_PCM_ORD, sc->sc_pcm_ord); 125 tav_write_byte(iot, ioh, TAV_PCM_18, sc->sc_pcm_18); 126 tav_write_byte(iot, ioh, TAV_DIF, sc->sc_dif); 127 tav_write_byte(iot, ioh, TAV_PCM_DIV, sc->sc_pcm_div); 128 129 printf(": chip rev. %d, %d bytes buffer\n", 130 tav_read_byte(iot, ioh, TAV_VERSION), 131 TAV_DRAM_SIZE(tav_read_byte(iot, ioh, TAV_DRAM_EXT))); 132 133 tav_write_byte(iot, ioh, TAV_AUD_ID_EN, 0); 134 tav_write_byte(iot, ioh, TAV_SKIP, 0); 135 tav_write_byte(iot, ioh, TAV_REPEAT, 0); 136 tav_write_byte(iot, ioh, TAV_MUTE, 0); 137 tav_write_byte(iot, ioh, TAV_PLAY, 1); 138 tav_write_byte(iot, ioh, TAV_SYNC_ECM, 0); 139 tav_write_byte(iot, ioh, TAV_CRC_ECM, 0); 140 tav_write_byte(iot, ioh, TAV_ATTEN_L, 0); 141 tav_write_byte(iot, ioh, TAV_ATTEN_R, 0); 142 tav_write_short(iot, ioh, TAV_FREE_FORM, 0); 143 tav_write_byte(iot, ioh, TAV_SIN_EN, 0); 144 tav_write_byte(iot, ioh, TAV_SYNC_ECM, TAV_ECM_REPEAT); 145 tav_write_byte(iot, ioh, TAV_CRC_ECM, TAV_ECM_REPEAT); 146 147 audio_attach_mi(&tav_audio_if, sc, &sc->sc_dev); 148 } 149 150 int 151 tms320av110_intr(void *p) 152 { 153 struct tav_softc *sc; 154 uint16_t intlist; 155 156 sc = p; 157 158 mutex_enter(&sc->sc_lock); 159 160 intlist = tav_read_short(sc->sc_iot, sc->sc_ioh, TAV_INTR) 161 /* & tav_read_short(sc->sc_iot, sc->sc_ioh, TAV_INTR_EN)*/; 162 163 if (!intlist) { 164 mutex_exit(&sc->sc_lock); 165 return 0; 166 } 167 168 /* ack now, so that we don't miss later interrupts */ 169 if (sc->sc_intack) 170 (sc->sc_intack)(sc); 171 172 if (intlist & TAV_INTR_LOWWATER) { 173 (*sc->sc_intr)(sc->sc_intrarg); 174 } 175 176 if (intlist & TAV_INTR_PCM_OUTPUT_UNDERFLOW) { 177 wakeup(sc); 178 } 179 180 mutex_exit(&sc->sc_lock); 181 182 return 1; 183 } 184 185 struct audio_encoding tav_encodings[] = { 186 {0, AudioEmpeg_l2_stream, AUDIO_ENCODING_MPEG_L2_STREAM, 1, 0,}, 187 {1, AudioEmpeg_l2_packets, AUDIO_ENCODING_MPEG_L2_PACKETS, 1, 0,}, 188 {2, AudioEmpeg_l2_system, AUDIO_ENCODING_MPEG_L2_SYSTEM, 1, 0,}, 189 {3, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 0,}, 190 }; 191 192 int 193 tav_open(void *hdl, int flags) 194 { 195 196 /* dummy */ 197 return 0; 198 } 199 200 void 201 tav_close(void *hdl) 202 { 203 struct tav_softc *sc; 204 bus_space_tag_t iot; 205 bus_space_handle_t ioh; 206 207 sc = hdl; 208 iot = sc->sc_iot; 209 ioh = sc->sc_ioh; 210 211 /* re"start" chip, also clears interrupts and interrupt enable */ 212 tav_write_short(iot, ioh, TAV_INTR_EN, 0); 213 if (sc->sc_intack) 214 (*sc->sc_intack)(sc); 215 } 216 217 int 218 tav_drain(void *hdl) 219 { 220 struct tav_softc *sc; 221 bus_space_tag_t iot; 222 bus_space_handle_t ioh; 223 u_int16_t mask; 224 225 sc = hdl; 226 iot = sc->sc_iot; 227 ioh = sc->sc_ioh; 228 229 /* 230 * tsleep waiting for underflow interrupt. 231 */ 232 if (tav_read_short(iot, ioh, TAV_BUFF)) { 233 mask = tav_read_short(iot, ioh, TAV_INTR_EN); 234 tav_write_short(iot, ioh, TAV_INTR_EN, 235 mask|TAV_INTR_PCM_OUTPUT_UNDERFLOW); 236 237 /* still more than zero? */ 238 if (tav_read_short(iot, ioh, TAV_BUFF)) 239 kpause("tavdrain", &sc->sc_lock, TRUE, 32*hz); 240 241 /* can be really that long for mpeg */ 242 243 mask = tav_read_short(iot, ioh, TAV_INTR_EN); 244 tav_write_short(iot, ioh, TAV_INTR_EN, 245 mask & ~TAV_INTR_PCM_OUTPUT_UNDERFLOW); 246 } 247 248 return 0; 249 } 250 251 int 252 tav_query_encoding(void *hdl, struct audio_encoding *ae) 253 { 254 struct tav_softc *sc; 255 256 sc = hdl; 257 if (ae->index >= sizeof(tav_encodings)/sizeof(*ae)) 258 return EINVAL; 259 260 *ae = tav_encodings[ae->index]; 261 262 return 0; 263 } 264 265 int 266 tav_start_input(void *hdl, void *block, int bsize, 267 void (*intr)(void *), void *intrarg) 268 { 269 270 return ENOTTY; 271 } 272 273 int 274 tav_halt_input(void *hdl) 275 { 276 277 return ENOTTY; 278 } 279 280 int 281 tav_start_output(void *hdl, void *block, int bsize, 282 void (*intr)(void *), void *intrarg) 283 { 284 struct tav_softc *sc; 285 bus_space_tag_t iot; 286 bus_space_handle_t ioh; 287 uint8_t *ptr; 288 int count; 289 290 sc = hdl; 291 iot = sc->sc_iot; 292 ioh = sc->sc_ioh; 293 ptr = block; 294 count = bsize; 295 296 sc->sc_intr = intr; 297 sc->sc_intrarg = intrarg; 298 299 bus_space_write_multi_1(iot, ioh, TAV_DATAIN, ptr, count); 300 tav_write_short(iot, ioh, TAV_INTR_EN, TAV_INTR_LOWWATER); 301 302 return 0; 303 } 304 305 int 306 tav_init_output(void *hdl, void *buffer, int size) 307 { 308 struct tav_softc *sc; 309 bus_space_tag_t iot; 310 bus_space_handle_t ioh; 311 312 sc = hdl; 313 iot = sc->sc_iot; 314 ioh = sc->sc_ioh; 315 316 tav_write_byte(iot, ioh, TAV_PLAY, 1); 317 tav_write_byte(iot, ioh, TAV_MUTE, 0); 318 319 return 0; 320 } 321 322 int 323 tav_halt_output(void *hdl) 324 { 325 struct tav_softc *sc; 326 bus_space_tag_t iot; 327 bus_space_handle_t ioh; 328 329 sc = hdl; 330 iot = sc->sc_iot; 331 ioh = sc->sc_ioh; 332 333 tav_write_byte(iot, ioh, TAV_PLAY, 0); 334 335 return 0; 336 } 337 338 int 339 tav_getdev(void *hdl, struct audio_device *ret) 340 { 341 struct tav_softc *sc; 342 bus_space_tag_t iot; 343 bus_space_handle_t ioh; 344 345 sc = hdl; 346 iot = sc->sc_iot; 347 ioh = sc->sc_ioh; 348 349 strlcpy(ret->name, "tms320av110", sizeof(ret->name)); 350 /* guaranteed to be <= 4 in length */ 351 snprintf(ret->version, sizeof(ret->version), "%u", 352 tav_read_byte(iot, ioh, TAV_VERSION)); 353 strlcpy(ret->config, sc->sc_dev.dv_xname, sizeof(ret->config)); 354 355 return 0; 356 } 357 358 int 359 tav_round_blocksize(void *hdl, int size, int mode, const audio_params_t *param) 360 { 361 struct tav_softc *sc; 362 bus_space_tag_t iot; 363 bus_space_handle_t ioh; 364 int maxhalf; 365 366 sc = hdl; 367 iot = sc->sc_iot; 368 ioh = sc->sc_ioh; 369 370 maxhalf = TAV_DRAM_HSIZE(tav_read_byte(iot, ioh, TAV_DRAM_EXT)); 371 if (size > maxhalf) 372 size = maxhalf; 373 374 /* XXX should round to 128 bytes limits for audio bypass */ 375 size &= ~3; 376 377 tav_write_short(iot, ioh, TAV_BALE_LIM, size/8); 378 379 /* the buffer limits are in units of 4 bytes */ 380 return (size); 381 } 382 383 int 384 tav_get_props(void *hdl) 385 { 386 return 0; 387 } 388 389 int 390 tav_set_params(void *hdl, int setmode, int usemode, audio_params_t *p, 391 audio_params_t *r, stream_filter_list_t *pfil, stream_filter_list_t *rfil) 392 { 393 struct tav_softc *sc; 394 bus_space_tag_t iot; 395 bus_space_handle_t ioh; 396 397 sc = hdl; 398 iot = sc->sc_iot; 399 ioh = sc->sc_ioh; 400 401 if (!(setmode & AUMODE_PLAY)) 402 return 0; 403 404 if (p->encoding == AUDIO_ENCODING_ULAW) 405 p->encoding = AUDIO_ENCODING_MPEG_L2_STREAM; 406 407 switch(p->encoding) { 408 default: 409 return EINVAL; 410 411 case AUDIO_ENCODING_SLINEAR_BE: 412 413 /* XXX: todo: add 8bit and mono using software */ 414 p->precision = 16; 415 p->channels = 2; 416 417 /* XXX: this might depend on the specific board. 418 should be handled by the backend */ 419 420 p->sample_rate = 44100; 421 422 bus_space_write_1(iot, ioh, TAV_STR_SEL, 423 TAV_STR_SEL_AUDIO_BYPASS); 424 break; 425 426 /* XXX: later: add ULINEAR, and LE using software encoding */ 427 428 case AUDIO_ENCODING_MPEG_L1_STREAM: 429 /* FALLTHROUGH */ 430 case AUDIO_ENCODING_MPEG_L2_STREAM: 431 bus_space_write_1(iot, ioh, TAV_STR_SEL, 432 TAV_STR_SEL_MPEG_AUDIO_STREAM); 433 p->sample_rate = 44100; 434 p->precision = 1; 435 break; 436 437 case AUDIO_ENCODING_MPEG_L1_PACKETS: 438 /* FALLTHROUGH */ 439 case AUDIO_ENCODING_MPEG_L2_PACKETS: 440 bus_space_write_1(iot, ioh, TAV_STR_SEL, 441 TAV_STR_SEL_MPEG_AUDIO_PACKETS); 442 p->sample_rate = 44100; 443 p->precision = 1; 444 break; 445 446 case AUDIO_ENCODING_MPEG_L1_SYSTEM: 447 /* FALLTHROUGH */ 448 case AUDIO_ENCODING_MPEG_L2_SYSTEM: 449 bus_space_write_1(iot, ioh, TAV_STR_SEL, 450 TAV_STR_SEL_MPEG_SYSTEM_STREAM); 451 p->sample_rate = 44100; 452 p->precision = 1; 453 break; 454 } 455 tav_write_byte(iot, ioh, TAV_RESTART, 1); 456 do { 457 delay(10); 458 } while (tav_read_byte(iot, ioh, TAV_RESTART)); 459 460 return 0; 461 } 462 463 int 464 tav_set_port(void *hdl, mixer_ctrl_t *mc) 465 { 466 struct tav_softc *sc; 467 468 sc = hdl; 469 /* dummy */ 470 return 0; 471 } 472 473 int 474 tav_get_port(void *hdl, mixer_ctrl_t *mc) 475 { 476 struct tav_softc *sc; 477 478 sc = hdl; 479 /* dummy */ 480 return 0; 481 } 482 483 int 484 tav_query_devinfo(void *hdl, mixer_devinfo_t *di) 485 { 486 return ENXIO; 487 } 488 489 int 490 tav_speaker_ctl(void *hdl, int value) 491 { 492 struct tav_softc *sc; 493 bus_space_tag_t iot; 494 bus_space_handle_t ioh; 495 496 sc = hdl; 497 iot = sc->sc_iot; 498 ioh = sc->sc_ioh; 499 500 tav_write_byte(iot, ioh, TAV_MUTE, !value); 501 502 return 0; 503 } 504
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