1 /* 2 * Asihpi soundcard 3 * Copyright (c) by AudioScience Inc <alsa@audioscience.com> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation; 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * 18 * 19 * The following is not a condition of use, merely a request: 20 * If you modify this program, particularly if you fix errors, AudioScience Inc 21 * would appreciate it if you grant us the right to use those modifications 22 * for any purpose including commercial applications. 23 */ 24 25 #include "hpi_internal.h" 26 #include "hpimsginit.h" 27 #include "hpioctl.h" 28 29 #include <linux/pci.h> 30 #include <linux/init.h> 31 #include <linux/jiffies.h> 32 #include <linux/slab.h> 33 #include <linux/time.h> 34 #include <linux/wait.h> 35 #include <sound/core.h> 36 #include <sound/control.h> 37 #include <sound/pcm.h> 38 #include <sound/pcm_params.h> 39 #include <sound/info.h> 40 #include <sound/initval.h> 41 #include <sound/tlv.h> 42 #include <sound/hwdep.h> 43 44 45 MODULE_LICENSE("GPL"); 46 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>"); 47 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx"); 48 49 #if defined CONFIG_SND_DEBUG 50 /* copied from pcm_lib.c, hope later patch will make that version public 51 and this copy can be removed */ 52 static inline void 53 snd_pcm_debug_name(struct snd_pcm_substream *substream, char *buf, size_t size) 54 { 55 snprintf(buf, size, "pcmC%dD%d%c:%d", 56 substream->pcm->card->number, 57 substream->pcm->device, 58 substream->stream ? 'c' : 'p', 59 substream->number); 60 } 61 #else 62 static inline void 63 snd_pcm_debug_name(struct snd_pcm_substream *substream, char *buf, size_t size) 64 { 65 *buf = 0; 66 } 67 #endif 68 69 #if defined CONFIG_SND_DEBUG_VERBOSE 70 /** 71 * snd_printddd - very verbose debug printk 72 * @format: format string 73 * 74 * Works like snd_printk() for debugging purposes. 75 * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. 76 * Must set snd module debug parameter to 3 to enable at runtime. 77 */ 78 #define snd_printddd(format, args...) \ 79 __snd_printk(3, __FILE__, __LINE__, format, ##args) 80 #else 81 #define snd_printddd(format, args...) do { } while (0) 82 #endif 83 84 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */ 85 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 86 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 87 static int enable_hpi_hwdep = 1; 88 89 module_param_array(index, int, NULL, S_IRUGO); 90 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard."); 91 92 module_param_array(id, charp, NULL, S_IRUGO); 93 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard."); 94 95 module_param_array(enable, bool, NULL, S_IRUGO); 96 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard."); 97 98 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR); 99 MODULE_PARM_DESC(enable_hpi_hwdep, 100 "ALSA enable HPI hwdep for AudioScience soundcard "); 101 102 /* identify driver */ 103 #ifdef KERNEL_ALSA_BUILD 104 static char *build_info = "Built using headers from kernel source"; 105 module_param(build_info, charp, S_IRUGO); 106 MODULE_PARM_DESC(build_info, "built using headers from kernel source"); 107 #else 108 static char *build_info = "Built within ALSA source"; 109 module_param(build_info, charp, S_IRUGO); 110 MODULE_PARM_DESC(build_info, "built within ALSA source"); 111 #endif 112 113 /* set to 1 to dump every control from adapter to log */ 114 static const int mixer_dump; 115 116 #define DEFAULT_SAMPLERATE 44100 117 static int adapter_fs = DEFAULT_SAMPLERATE; 118 119 /* defaults */ 120 #define PERIODS_MIN 2 121 #define PERIOD_BYTES_MIN 2048 122 #define BUFFER_BYTES_MAX (512 * 1024) 123 124 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7) 125 126 struct clk_source { 127 int source; 128 int index; 129 char *name; 130 }; 131 132 struct clk_cache { 133 int count; 134 int has_local; 135 struct clk_source s[MAX_CLOCKSOURCES]; 136 }; 137 138 /* Per card data */ 139 struct snd_card_asihpi { 140 struct snd_card *card; 141 struct pci_dev *pci; 142 u16 adapter_index; 143 u32 serial_number; 144 u16 type; 145 u16 version; 146 u16 num_outstreams; 147 u16 num_instreams; 148 149 u32 h_mixer; 150 struct clk_cache cc; 151 152 u16 can_dma; 153 u16 support_grouping; 154 u16 support_mrx; 155 u16 update_interval_frames; 156 u16 in_max_chans; 157 u16 out_max_chans; 158 }; 159 160 /* Per stream data */ 161 struct snd_card_asihpi_pcm { 162 struct timer_list timer; 163 unsigned int respawn_timer; 164 unsigned int hpi_buffer_attached; 165 unsigned int buffer_bytes; 166 unsigned int period_bytes; 167 unsigned int bytes_per_sec; 168 unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */ 169 unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */ 170 unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */ 171 unsigned int drained_count; 172 struct snd_pcm_substream *substream; 173 u32 h_stream; 174 struct hpi_format format; 175 }; 176 177 /* universal stream verbs work with out or in stream handles */ 178 179 /* Functions to allow driver to give a buffer to HPI for busmastering */ 180 181 static u16 hpi_stream_host_buffer_attach( 182 u32 h_stream, /* handle to outstream. */ 183 u32 size_in_bytes, /* size in bytes of bus mastering buffer */ 184 u32 pci_address 185 ) 186 { 187 struct hpi_message hm; 188 struct hpi_response hr; 189 unsigned int obj = hpi_handle_object(h_stream); 190 191 if (!h_stream) 192 return HPI_ERROR_INVALID_OBJ; 193 hpi_init_message_response(&hm, &hr, obj, 194 obj == HPI_OBJ_OSTREAM ? 195 HPI_OSTREAM_HOSTBUFFER_ALLOC : 196 HPI_ISTREAM_HOSTBUFFER_ALLOC); 197 198 hpi_handle_to_indexes(h_stream, &hm.adapter_index, 199 &hm.obj_index); 200 201 hm.u.d.u.buffer.buffer_size = size_in_bytes; 202 hm.u.d.u.buffer.pci_address = pci_address; 203 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER; 204 hpi_send_recv(&hm, &hr); 205 return hr.error; 206 } 207 208 static u16 hpi_stream_host_buffer_detach(u32 h_stream) 209 { 210 struct hpi_message hm; 211 struct hpi_response hr; 212 unsigned int obj = hpi_handle_object(h_stream); 213 214 if (!h_stream) 215 return HPI_ERROR_INVALID_OBJ; 216 217 hpi_init_message_response(&hm, &hr, obj, 218 obj == HPI_OBJ_OSTREAM ? 219 HPI_OSTREAM_HOSTBUFFER_FREE : 220 HPI_ISTREAM_HOSTBUFFER_FREE); 221 222 hpi_handle_to_indexes(h_stream, &hm.adapter_index, 223 &hm.obj_index); 224 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER; 225 hpi_send_recv(&hm, &hr); 226 return hr.error; 227 } 228 229 static inline u16 hpi_stream_start(u32 h_stream) 230 { 231 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 232 return hpi_outstream_start(h_stream); 233 else 234 return hpi_instream_start(h_stream); 235 } 236 237 static inline u16 hpi_stream_stop(u32 h_stream) 238 { 239 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 240 return hpi_outstream_stop(h_stream); 241 else 242 return hpi_instream_stop(h_stream); 243 } 244 245 static inline u16 hpi_stream_get_info_ex( 246 u32 h_stream, 247 u16 *pw_state, 248 u32 *pbuffer_size, 249 u32 *pdata_in_buffer, 250 u32 *psample_count, 251 u32 *pauxiliary_data 252 ) 253 { 254 u16 e; 255 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 256 e = hpi_outstream_get_info_ex(h_stream, pw_state, 257 pbuffer_size, pdata_in_buffer, 258 psample_count, pauxiliary_data); 259 else 260 e = hpi_instream_get_info_ex(h_stream, pw_state, 261 pbuffer_size, pdata_in_buffer, 262 psample_count, pauxiliary_data); 263 return e; 264 } 265 266 static inline u16 hpi_stream_group_add( 267 u32 h_master, 268 u32 h_stream) 269 { 270 if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM) 271 return hpi_outstream_group_add(h_master, h_stream); 272 else 273 return hpi_instream_group_add(h_master, h_stream); 274 } 275 276 static inline u16 hpi_stream_group_reset(u32 h_stream) 277 { 278 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 279 return hpi_outstream_group_reset(h_stream); 280 else 281 return hpi_instream_group_reset(h_stream); 282 } 283 284 static inline u16 hpi_stream_group_get_map( 285 u32 h_stream, u32 *mo, u32 *mi) 286 { 287 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 288 return hpi_outstream_group_get_map(h_stream, mo, mi); 289 else 290 return hpi_instream_group_get_map(h_stream, mo, mi); 291 } 292 293 static u16 handle_error(u16 err, int line, char *filename) 294 { 295 if (err) 296 printk(KERN_WARNING 297 "in file %s, line %d: HPI error %d\n", 298 filename, line, err); 299 return err; 300 } 301 302 #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__) 303 304 /***************************** GENERAL PCM ****************/ 305 306 static void print_hwparams(struct snd_pcm_substream *substream, 307 struct snd_pcm_hw_params *p) 308 { 309 char name[16]; 310 snd_pcm_debug_name(substream, name, sizeof(name)); 311 snd_printd("%s HWPARAMS\n", name); 312 snd_printd(" samplerate %d Hz\n", params_rate(p)); 313 snd_printd(" channels %d\n", params_channels(p)); 314 snd_printd(" format %d\n", params_format(p)); 315 snd_printd(" subformat %d\n", params_subformat(p)); 316 snd_printd(" buffer %d B\n", params_buffer_bytes(p)); 317 snd_printd(" period %d B\n", params_period_bytes(p)); 318 snd_printd(" access %d\n", params_access(p)); 319 snd_printd(" period_size %d\n", params_period_size(p)); 320 snd_printd(" periods %d\n", params_periods(p)); 321 snd_printd(" buffer_size %d\n", params_buffer_size(p)); 322 snd_printd(" %d B/s\n", params_rate(p) * 323 params_channels(p) * 324 snd_pcm_format_width(params_format(p)) / 8); 325 326 } 327 328 static snd_pcm_format_t hpi_to_alsa_formats[] = { 329 -1, /* INVALID */ 330 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */ 331 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */ 332 -1, /* HPI_FORMAT_MPEG_L1 3 */ 333 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */ 334 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */ 335 -1, /* HPI_FORMAT_DOLBY_AC2 6 */ 336 -1, /* HPI_FORMAT_DOLBY_AC3 7 */ 337 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */ 338 -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */ 339 -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */ 340 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */ 341 -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */ 342 -1, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */ 343 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */ 344 #if 1 345 /* ALSA can't handle 3 byte sample size together with power-of-2 346 * constraint on buffer_bytes, so disable this format 347 */ 348 -1 349 #else 350 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */ 351 #endif 352 }; 353 354 355 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format, 356 u16 *hpi_format) 357 { 358 u16 format; 359 360 for (format = HPI_FORMAT_PCM8_UNSIGNED; 361 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 362 if (hpi_to_alsa_formats[format] == alsa_format) { 363 *hpi_format = format; 364 return 0; 365 } 366 } 367 368 snd_printd(KERN_WARNING "failed match for alsa format %d\n", 369 alsa_format); 370 *hpi_format = 0; 371 return -EINVAL; 372 } 373 374 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi, 375 struct snd_pcm_hardware *pcmhw) 376 { 377 u16 err; 378 u32 h_control; 379 u32 sample_rate; 380 int idx; 381 unsigned int rate_min = 200000; 382 unsigned int rate_max = 0; 383 unsigned int rates = 0; 384 385 if (asihpi->support_mrx) { 386 rates |= SNDRV_PCM_RATE_CONTINUOUS; 387 rates |= SNDRV_PCM_RATE_8000_96000; 388 rate_min = 8000; 389 rate_max = 100000; 390 } else { 391 /* on cards without SRC, 392 valid rates are determined by sampleclock */ 393 err = hpi_mixer_get_control(asihpi->h_mixer, 394 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 395 HPI_CONTROL_SAMPLECLOCK, &h_control); 396 if (err) { 397 snd_printk(KERN_ERR 398 "No local sampleclock, err %d\n", err); 399 } 400 401 for (idx = -1; idx < 100; idx++) { 402 if (idx == -1) { 403 if (hpi_sample_clock_get_sample_rate(h_control, 404 &sample_rate)) 405 continue; 406 } else if (hpi_sample_clock_query_local_rate(h_control, 407 idx, &sample_rate)) { 408 break; 409 } 410 411 rate_min = min(rate_min, sample_rate); 412 rate_max = max(rate_max, sample_rate); 413 414 switch (sample_rate) { 415 case 5512: 416 rates |= SNDRV_PCM_RATE_5512; 417 break; 418 case 8000: 419 rates |= SNDRV_PCM_RATE_8000; 420 break; 421 case 11025: 422 rates |= SNDRV_PCM_RATE_11025; 423 break; 424 case 16000: 425 rates |= SNDRV_PCM_RATE_16000; 426 break; 427 case 22050: 428 rates |= SNDRV_PCM_RATE_22050; 429 break; 430 case 32000: 431 rates |= SNDRV_PCM_RATE_32000; 432 break; 433 case 44100: 434 rates |= SNDRV_PCM_RATE_44100; 435 break; 436 case 48000: 437 rates |= SNDRV_PCM_RATE_48000; 438 break; 439 case 64000: 440 rates |= SNDRV_PCM_RATE_64000; 441 break; 442 case 88200: 443 rates |= SNDRV_PCM_RATE_88200; 444 break; 445 case 96000: 446 rates |= SNDRV_PCM_RATE_96000; 447 break; 448 case 176400: 449 rates |= SNDRV_PCM_RATE_176400; 450 break; 451 case 192000: 452 rates |= SNDRV_PCM_RATE_192000; 453 break; 454 default: /* some other rate */ 455 rates |= SNDRV_PCM_RATE_KNOT; 456 } 457 } 458 } 459 460 pcmhw->rates = rates; 461 pcmhw->rate_min = rate_min; 462 pcmhw->rate_max = rate_max; 463 } 464 465 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream, 466 struct snd_pcm_hw_params *params) 467 { 468 struct snd_pcm_runtime *runtime = substream->runtime; 469 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 470 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 471 int err; 472 u16 format; 473 int width; 474 unsigned int bytes_per_sec; 475 476 print_hwparams(substream, params); 477 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); 478 if (err < 0) 479 return err; 480 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format); 481 if (err) 482 return err; 483 484 hpi_handle_error(hpi_format_create(&dpcm->format, 485 params_channels(params), 486 format, params_rate(params), 0, 0)); 487 488 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { 489 if (hpi_instream_reset(dpcm->h_stream) != 0) 490 return -EINVAL; 491 492 if (hpi_instream_set_format( 493 dpcm->h_stream, &dpcm->format) != 0) 494 return -EINVAL; 495 } 496 497 dpcm->hpi_buffer_attached = 0; 498 if (card->can_dma) { 499 err = hpi_stream_host_buffer_attach(dpcm->h_stream, 500 params_buffer_bytes(params), runtime->dma_addr); 501 if (err == 0) { 502 snd_printdd( 503 "stream_host_buffer_attach succeeded %u %lu\n", 504 params_buffer_bytes(params), 505 (unsigned long)runtime->dma_addr); 506 } else { 507 snd_printd("stream_host_buffer_attach error %d\n", 508 err); 509 return -ENOMEM; 510 } 511 512 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL, 513 &dpcm->hpi_buffer_attached, 514 NULL, NULL, NULL); 515 516 snd_printdd("stream_host_buffer_attach status 0x%x\n", 517 dpcm->hpi_buffer_attached); 518 } 519 bytes_per_sec = params_rate(params) * params_channels(params); 520 width = snd_pcm_format_width(params_format(params)); 521 bytes_per_sec *= width; 522 bytes_per_sec /= 8; 523 if (width < 0 || bytes_per_sec == 0) 524 return -EINVAL; 525 526 dpcm->bytes_per_sec = bytes_per_sec; 527 dpcm->buffer_bytes = params_buffer_bytes(params); 528 dpcm->period_bytes = params_period_bytes(params); 529 530 return 0; 531 } 532 533 static int 534 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream) 535 { 536 struct snd_pcm_runtime *runtime = substream->runtime; 537 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 538 if (dpcm->hpi_buffer_attached) 539 hpi_stream_host_buffer_detach(dpcm->h_stream); 540 541 snd_pcm_lib_free_pages(substream); 542 return 0; 543 } 544 545 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime) 546 { 547 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 548 kfree(dpcm); 549 } 550 551 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream * 552 substream) 553 { 554 struct snd_pcm_runtime *runtime = substream->runtime; 555 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 556 int expiry; 557 558 expiry = HZ / 200; 559 /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */ 560 expiry = max(expiry, 1); /* don't let it be zero! */ 561 dpcm->timer.expires = jiffies + expiry; 562 dpcm->respawn_timer = 1; 563 add_timer(&dpcm->timer); 564 } 565 566 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream) 567 { 568 struct snd_pcm_runtime *runtime = substream->runtime; 569 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 570 571 dpcm->respawn_timer = 0; 572 del_timer(&dpcm->timer); 573 } 574 575 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, 576 int cmd) 577 { 578 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data; 579 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 580 struct snd_pcm_substream *s; 581 u16 e; 582 char name[16]; 583 584 snd_pcm_debug_name(substream, name, sizeof(name)); 585 snd_printdd("%s trigger\n", name); 586 587 switch (cmd) { 588 case SNDRV_PCM_TRIGGER_START: 589 snd_pcm_group_for_each_entry(s, substream) { 590 struct snd_pcm_runtime *runtime = s->runtime; 591 struct snd_card_asihpi_pcm *ds = runtime->private_data; 592 593 if (snd_pcm_substream_chip(s) != card) 594 continue; 595 596 /* don't link Cap and Play */ 597 if (substream->stream != s->stream) 598 continue; 599 600 ds->drained_count = 0; 601 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { 602 /* How do I know how much valid data is present 603 * in buffer? Must be at least one period! 604 * Guessing 2 periods, but if 605 * buffer is bigger it may contain even more 606 * data?? 607 */ 608 unsigned int preload = ds->period_bytes * 1; 609 snd_printddd("%d preload x%x\n", s->number, preload); 610 hpi_handle_error(hpi_outstream_write_buf( 611 ds->h_stream, 612 &runtime->dma_area[0], 613 preload, 614 &ds->format)); 615 ds->pcm_buf_host_rw_ofs = preload; 616 } 617 618 if (card->support_grouping) { 619 snd_printdd("%d group\n", s->number); 620 e = hpi_stream_group_add( 621 dpcm->h_stream, 622 ds->h_stream); 623 if (!e) { 624 snd_pcm_trigger_done(s, substream); 625 } else { 626 hpi_handle_error(e); 627 break; 628 } 629 } else 630 break; 631 } 632 snd_printdd("start\n"); 633 /* start the master stream */ 634 snd_card_asihpi_pcm_timer_start(substream); 635 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) || 636 !card->can_dma) 637 hpi_handle_error(hpi_stream_start(dpcm->h_stream)); 638 break; 639 640 case SNDRV_PCM_TRIGGER_STOP: 641 snd_card_asihpi_pcm_timer_stop(substream); 642 snd_pcm_group_for_each_entry(s, substream) { 643 if (snd_pcm_substream_chip(s) != card) 644 continue; 645 /* don't link Cap and Play */ 646 if (substream->stream != s->stream) 647 continue; 648 649 /*? workaround linked streams don't 650 transition to SETUP 20070706*/ 651 s->runtime->status->state = SNDRV_PCM_STATE_SETUP; 652 653 if (card->support_grouping) { 654 snd_printdd("%d group\n", s->number); 655 snd_pcm_trigger_done(s, substream); 656 } else 657 break; 658 } 659 snd_printdd("stop\n"); 660 661 /* _prepare and _hwparams reset the stream */ 662 hpi_handle_error(hpi_stream_stop(dpcm->h_stream)); 663 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 664 hpi_handle_error( 665 hpi_outstream_reset(dpcm->h_stream)); 666 667 if (card->support_grouping) 668 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream)); 669 break; 670 671 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 672 snd_printdd("pause release\n"); 673 hpi_handle_error(hpi_stream_start(dpcm->h_stream)); 674 snd_card_asihpi_pcm_timer_start(substream); 675 break; 676 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 677 snd_printdd("pause\n"); 678 snd_card_asihpi_pcm_timer_stop(substream); 679 hpi_handle_error(hpi_stream_stop(dpcm->h_stream)); 680 break; 681 default: 682 snd_printd(KERN_ERR "\tINVALID\n"); 683 return -EINVAL; 684 } 685 686 return 0; 687 } 688 689 /*algorithm outline 690 Without linking degenerates to getting single stream pos etc 691 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed 692 */ 693 /* 694 pcm_buf_dma_ofs=get_buf_pos(s); 695 for_each_linked_stream(s) { 696 pcm_buf_dma_ofs=get_buf_pos(s); 697 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes) 698 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos) 699 } 700 timer.expires = jiffies + predict_next_period_ready(min_buf_pos); 701 for_each_linked_stream(s) { 702 s->pcm_buf_dma_ofs = min_buf_pos; 703 if (new_data > period_bytes) { 704 if (mmap) { 705 irq_pos = (irq_pos + period_bytes) % buffer_bytes; 706 if (playback) { 707 write(period_bytes); 708 } else { 709 read(period_bytes); 710 } 711 } 712 snd_pcm_period_elapsed(s); 713 } 714 } 715 */ 716 717 /** Minimum of 2 modulo values. Works correctly when the difference between 718 * the values is less than half the modulus 719 */ 720 static inline unsigned int modulo_min(unsigned int a, unsigned int b, 721 unsigned long int modulus) 722 { 723 unsigned int result; 724 if (((a-b) % modulus) < (modulus/2)) 725 result = b; 726 else 727 result = a; 728 729 return result; 730 } 731 732 /** Timer function, equivalent to interrupt service routine for cards 733 */ 734 static void snd_card_asihpi_timer_function(unsigned long data) 735 { 736 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data; 737 struct snd_pcm_substream *substream = dpcm->substream; 738 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 739 struct snd_pcm_runtime *runtime; 740 struct snd_pcm_substream *s; 741 unsigned int newdata = 0; 742 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0; 743 unsigned int remdata, xfercount, next_jiffies; 744 int first = 1; 745 int loops = 0; 746 u16 state; 747 u32 buffer_size, bytes_avail, samples_played, on_card_bytes; 748 char name[16]; 749 750 snd_pcm_debug_name(substream, name, sizeof(name)); 751 752 snd_printdd("%s snd_card_asihpi_timer_function\n", name); 753 754 /* find minimum newdata and buffer pos in group */ 755 snd_pcm_group_for_each_entry(s, substream) { 756 struct snd_card_asihpi_pcm *ds = s->runtime->private_data; 757 runtime = s->runtime; 758 759 if (snd_pcm_substream_chip(s) != card) 760 continue; 761 762 /* don't link Cap and Play */ 763 if (substream->stream != s->stream) 764 continue; 765 766 hpi_handle_error(hpi_stream_get_info_ex( 767 ds->h_stream, &state, 768 &buffer_size, &bytes_avail, 769 &samples_played, &on_card_bytes)); 770 771 /* number of bytes in on-card buffer */ 772 runtime->delay = on_card_bytes; 773 774 if (!card->can_dma) 775 on_card_bytes = bytes_avail; 776 777 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { 778 pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail; 779 if (state == HPI_STATE_STOPPED) { 780 if ((bytes_avail == 0) && 781 (on_card_bytes < ds->pcm_buf_host_rw_ofs)) { 782 hpi_handle_error(hpi_stream_start(ds->h_stream)); 783 snd_printdd("P%d start\n", s->number); 784 ds->drained_count = 0; 785 } 786 } else if (state == HPI_STATE_DRAINED) { 787 snd_printd(KERN_WARNING "P%d drained\n", 788 s->number); 789 ds->drained_count++; 790 if (ds->drained_count > 2) { 791 snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); 792 continue; 793 } 794 } else { 795 ds->drained_count = 0; 796 } 797 } else 798 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs; 799 800 if (first) { 801 /* can't statically init min when wrap is involved */ 802 min_buf_pos = pcm_buf_dma_ofs; 803 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes; 804 first = 0; 805 } else { 806 min_buf_pos = 807 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L); 808 newdata = min( 809 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes, 810 newdata); 811 } 812 813 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n", 814 (unsigned long)frames_to_bytes(runtime, 815 runtime->status->hw_ptr), 816 (unsigned long)frames_to_bytes(runtime, 817 runtime->control->appl_ptr)); 818 819 snd_printdd("%d S=%d, " 820 "rw=0x%04X, dma=0x%04X, left=0x%04X, " 821 "aux=0x%04X space=0x%04X\n", 822 s->number, state, 823 ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, 824 (int)bytes_avail, 825 (int)on_card_bytes, buffer_size-bytes_avail); 826 loops++; 827 } 828 pcm_buf_dma_ofs = min_buf_pos; 829 830 remdata = newdata % dpcm->period_bytes; 831 xfercount = newdata - remdata; /* a multiple of period_bytes */ 832 /* come back when on_card_bytes has decreased enough to allow 833 write to happen, or when data has been consumed to make another 834 period 835 */ 836 if (xfercount && (on_card_bytes > dpcm->period_bytes)) 837 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec); 838 else 839 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec); 840 841 next_jiffies = max(next_jiffies, 1U); 842 dpcm->timer.expires = jiffies + next_jiffies; 843 snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n", 844 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount); 845 846 snd_pcm_group_for_each_entry(s, substream) { 847 struct snd_card_asihpi_pcm *ds = s->runtime->private_data; 848 849 /* don't link Cap and Play */ 850 if (substream->stream != s->stream) 851 continue; 852 853 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs; 854 855 if (xfercount && 856 /* Limit use of on card fifo for playback */ 857 ((on_card_bytes <= ds->period_bytes) || 858 (s->stream == SNDRV_PCM_STREAM_CAPTURE))) 859 860 { 861 862 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes; 863 unsigned int xfer1, xfer2; 864 char *pd = &s->runtime->dma_area[buf_ofs]; 865 866 if (card->can_dma) { /* buffer wrap is handled at lower level */ 867 xfer1 = xfercount; 868 xfer2 = 0; 869 } else { 870 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs); 871 xfer2 = xfercount - xfer1; 872 } 873 874 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { 875 snd_printddd("P%d write1 0x%04X 0x%04X\n", 876 s->number, xfer1, buf_ofs); 877 hpi_handle_error( 878 hpi_outstream_write_buf( 879 ds->h_stream, pd, xfer1, 880 &ds->format)); 881 882 if (xfer2) { 883 pd = s->runtime->dma_area; 884 885 snd_printddd("P%d write2 0x%04X 0x%04X\n", 886 s->number, 887 xfercount - xfer1, buf_ofs); 888 hpi_handle_error( 889 hpi_outstream_write_buf( 890 ds->h_stream, pd, 891 xfercount - xfer1, 892 &ds->format)); 893 } 894 } else { 895 snd_printddd("C%d read1 0x%04x\n", 896 s->number, xfer1); 897 hpi_handle_error( 898 hpi_instream_read_buf( 899 ds->h_stream, 900 pd, xfer1)); 901 if (xfer2) { 902 pd = s->runtime->dma_area; 903 snd_printddd("C%d read2 0x%04x\n", 904 s->number, xfer2); 905 hpi_handle_error( 906 hpi_instream_read_buf( 907 ds->h_stream, 908 pd, xfer2)); 909 } 910 } 911 ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount; 912 ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs; 913 snd_pcm_period_elapsed(s); 914 } 915 } 916 917 if (dpcm->respawn_timer) 918 add_timer(&dpcm->timer); 919 } 920 921 /***************************** PLAYBACK OPS ****************/ 922 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream, 923 unsigned int cmd, void *arg) 924 { 925 snd_printddd(KERN_INFO "P%d ioctl %d\n", substream->number, cmd); 926 return snd_pcm_lib_ioctl(substream, cmd, arg); 927 } 928 929 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream * 930 substream) 931 { 932 struct snd_pcm_runtime *runtime = substream->runtime; 933 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 934 935 snd_printdd("P%d prepare\n", substream->number); 936 937 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream)); 938 dpcm->pcm_buf_host_rw_ofs = 0; 939 dpcm->pcm_buf_dma_ofs = 0; 940 dpcm->pcm_buf_elapsed_dma_ofs = 0; 941 return 0; 942 } 943 944 static snd_pcm_uframes_t 945 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream) 946 { 947 struct snd_pcm_runtime *runtime = substream->runtime; 948 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 949 snd_pcm_uframes_t ptr; 950 951 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); 952 snd_printddd("P%d pointer = 0x%04lx\n", substream->number, (unsigned long)ptr); 953 return ptr; 954 } 955 956 static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi, 957 u32 h_stream, 958 struct snd_pcm_hardware *pcmhw) 959 { 960 struct hpi_format hpi_format; 961 u16 format; 962 u16 err; 963 u32 h_control; 964 u32 sample_rate = 48000; 965 966 /* on cards without SRC, must query at valid rate, 967 * maybe set by external sync 968 */ 969 err = hpi_mixer_get_control(asihpi->h_mixer, 970 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 971 HPI_CONTROL_SAMPLECLOCK, &h_control); 972 973 if (!err) 974 err = hpi_sample_clock_get_sample_rate(h_control, 975 &sample_rate); 976 977 for (format = HPI_FORMAT_PCM8_UNSIGNED; 978 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 979 err = hpi_format_create(&hpi_format, 980 2, format, sample_rate, 128000, 0); 981 if (!err) 982 err = hpi_outstream_query_format(h_stream, 983 &hpi_format); 984 if (!err && (hpi_to_alsa_formats[format] != -1)) 985 pcmhw->formats |= 986 (1ULL << hpi_to_alsa_formats[format]); 987 } 988 } 989 990 static struct snd_pcm_hardware snd_card_asihpi_playback = { 991 .channels_min = 1, 992 .channels_max = 2, 993 .buffer_bytes_max = BUFFER_BYTES_MAX, 994 .period_bytes_min = PERIOD_BYTES_MIN, 995 .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN, 996 .periods_min = PERIODS_MIN, 997 .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN, 998 .fifo_size = 0, 999 }; 1000 1001 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) 1002 { 1003 struct snd_pcm_runtime *runtime = substream->runtime; 1004 struct snd_card_asihpi_pcm *dpcm; 1005 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 1006 int err; 1007 1008 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); 1009 if (dpcm == NULL) 1010 return -ENOMEM; 1011 1012 err = 1013 hpi_outstream_open(card->adapter_index, 1014 substream->number, &dpcm->h_stream); 1015 hpi_handle_error(err); 1016 if (err) 1017 kfree(dpcm); 1018 if (err == HPI_ERROR_OBJ_ALREADY_OPEN) 1019 return -EBUSY; 1020 if (err) 1021 return -EIO; 1022 1023 /*? also check ASI5000 samplerate source 1024 If external, only support external rate. 1025 If internal and other stream playing, can't switch 1026 */ 1027 1028 init_timer(&dpcm->timer); 1029 dpcm->timer.data = (unsigned long) dpcm; 1030 dpcm->timer.function = snd_card_asihpi_timer_function; 1031 dpcm->substream = substream; 1032 runtime->private_data = dpcm; 1033 runtime->private_free = snd_card_asihpi_runtime_free; 1034 1035 snd_card_asihpi_playback.channels_max = card->out_max_chans; 1036 /*?snd_card_asihpi_playback.period_bytes_min = 1037 card->out_max_chans * 4096; */ 1038 1039 snd_card_asihpi_playback_format(card, dpcm->h_stream, 1040 &snd_card_asihpi_playback); 1041 1042 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback); 1043 1044 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED | 1045 SNDRV_PCM_INFO_DOUBLE | 1046 SNDRV_PCM_INFO_BATCH | 1047 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1048 SNDRV_PCM_INFO_PAUSE | 1049 SNDRV_PCM_INFO_MMAP | 1050 SNDRV_PCM_INFO_MMAP_VALID; 1051 1052 if (card->support_grouping) 1053 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START; 1054 1055 /* struct is copied, so can create initializer dynamically */ 1056 runtime->hw = snd_card_asihpi_playback; 1057 1058 if (card->can_dma) 1059 err = snd_pcm_hw_constraint_pow2(runtime, 0, 1060 SNDRV_PCM_HW_PARAM_BUFFER_BYTES); 1061 if (err < 0) 1062 return err; 1063 1064 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1065 card->update_interval_frames); 1066 1067 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1068 card->update_interval_frames * 2, UINT_MAX); 1069 1070 snd_pcm_set_sync(substream); 1071 1072 snd_printdd("playback open\n"); 1073 1074 return 0; 1075 } 1076 1077 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream) 1078 { 1079 struct snd_pcm_runtime *runtime = substream->runtime; 1080 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1081 1082 hpi_handle_error(hpi_outstream_close(dpcm->h_stream)); 1083 snd_printdd("playback close\n"); 1084 1085 return 0; 1086 } 1087 1088 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = { 1089 .open = snd_card_asihpi_playback_open, 1090 .close = snd_card_asihpi_playback_close, 1091 .ioctl = snd_card_asihpi_playback_ioctl, 1092 .hw_params = snd_card_asihpi_pcm_hw_params, 1093 .hw_free = snd_card_asihpi_hw_free, 1094 .prepare = snd_card_asihpi_playback_prepare, 1095 .trigger = snd_card_asihpi_trigger, 1096 .pointer = snd_card_asihpi_playback_pointer, 1097 }; 1098 1099 /***************************** CAPTURE OPS ****************/ 1100 static snd_pcm_uframes_t 1101 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream) 1102 { 1103 struct snd_pcm_runtime *runtime = substream->runtime; 1104 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1105 1106 snd_printddd("capture pointer %d=%d\n", 1107 substream->number, dpcm->pcm_buf_dma_ofs); 1108 /* NOTE Unlike playback can't use actual samples_played 1109 for the capture position, because those samples aren't yet in 1110 the local buffer available for reading. 1111 */ 1112 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); 1113 } 1114 1115 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream, 1116 unsigned int cmd, void *arg) 1117 { 1118 return snd_pcm_lib_ioctl(substream, cmd, arg); 1119 } 1120 1121 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream) 1122 { 1123 struct snd_pcm_runtime *runtime = substream->runtime; 1124 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1125 1126 hpi_handle_error(hpi_instream_reset(dpcm->h_stream)); 1127 dpcm->pcm_buf_host_rw_ofs = 0; 1128 dpcm->pcm_buf_dma_ofs = 0; 1129 dpcm->pcm_buf_elapsed_dma_ofs = 0; 1130 1131 snd_printdd("Capture Prepare %d\n", substream->number); 1132 return 0; 1133 } 1134 1135 1136 1137 static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi, 1138 u32 h_stream, 1139 struct snd_pcm_hardware *pcmhw) 1140 { 1141 struct hpi_format hpi_format; 1142 u16 format; 1143 u16 err; 1144 u32 h_control; 1145 u32 sample_rate = 48000; 1146 1147 /* on cards without SRC, must query at valid rate, 1148 maybe set by external sync */ 1149 err = hpi_mixer_get_control(asihpi->h_mixer, 1150 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 1151 HPI_CONTROL_SAMPLECLOCK, &h_control); 1152 1153 if (!err) 1154 err = hpi_sample_clock_get_sample_rate(h_control, 1155 &sample_rate); 1156 1157 for (format = HPI_FORMAT_PCM8_UNSIGNED; 1158 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 1159 1160 err = hpi_format_create(&hpi_format, 2, format, 1161 sample_rate, 128000, 0); 1162 if (!err) 1163 err = hpi_instream_query_format(h_stream, 1164 &hpi_format); 1165 if (!err) 1166 pcmhw->formats |= 1167 (1ULL << hpi_to_alsa_formats[format]); 1168 } 1169 } 1170 1171 1172 static struct snd_pcm_hardware snd_card_asihpi_capture = { 1173 .channels_min = 1, 1174 .channels_max = 2, 1175 .buffer_bytes_max = BUFFER_BYTES_MAX, 1176 .period_bytes_min = PERIOD_BYTES_MIN, 1177 .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN, 1178 .periods_min = PERIODS_MIN, 1179 .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN, 1180 .fifo_size = 0, 1181 }; 1182 1183 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream) 1184 { 1185 struct snd_pcm_runtime *runtime = substream->runtime; 1186 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 1187 struct snd_card_asihpi_pcm *dpcm; 1188 int err; 1189 1190 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); 1191 if (dpcm == NULL) 1192 return -ENOMEM; 1193 1194 snd_printdd("capture open adapter %d stream %d\n", 1195 card->adapter_index, substream->number); 1196 1197 err = hpi_handle_error( 1198 hpi_instream_open(card->adapter_index, 1199 substream->number, &dpcm->h_stream)); 1200 if (err) 1201 kfree(dpcm); 1202 if (err == HPI_ERROR_OBJ_ALREADY_OPEN) 1203 return -EBUSY; 1204 if (err) 1205 return -EIO; 1206 1207 1208 init_timer(&dpcm->timer); 1209 dpcm->timer.data = (unsigned long) dpcm; 1210 dpcm->timer.function = snd_card_asihpi_timer_function; 1211 dpcm->substream = substream; 1212 runtime->private_data = dpcm; 1213 runtime->private_free = snd_card_asihpi_runtime_free; 1214 1215 snd_card_asihpi_capture.channels_max = card->in_max_chans; 1216 snd_card_asihpi_capture_format(card, dpcm->h_stream, 1217 &snd_card_asihpi_capture); 1218 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture); 1219 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED | 1220 SNDRV_PCM_INFO_MMAP | 1221 SNDRV_PCM_INFO_MMAP_VALID; 1222 1223 if (card->support_grouping) 1224 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START; 1225 1226 runtime->hw = snd_card_asihpi_capture; 1227 1228 if (card->can_dma) 1229 err = snd_pcm_hw_constraint_pow2(runtime, 0, 1230 SNDRV_PCM_HW_PARAM_BUFFER_BYTES); 1231 if (err < 0) 1232 return err; 1233 1234 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1235 card->update_interval_frames); 1236 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1237 card->update_interval_frames * 2, UINT_MAX); 1238 1239 snd_pcm_set_sync(substream); 1240 1241 return 0; 1242 } 1243 1244 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream) 1245 { 1246 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data; 1247 1248 hpi_handle_error(hpi_instream_close(dpcm->h_stream)); 1249 return 0; 1250 } 1251 1252 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { 1253 .open = snd_card_asihpi_capture_open, 1254 .close = snd_card_asihpi_capture_close, 1255 .ioctl = snd_card_asihpi_capture_ioctl, 1256 .hw_params = snd_card_asihpi_pcm_hw_params, 1257 .hw_free = snd_card_asihpi_hw_free, 1258 .prepare = snd_card_asihpi_capture_prepare, 1259 .trigger = snd_card_asihpi_trigger, 1260 .pointer = snd_card_asihpi_capture_pointer, 1261 }; 1262 1263 static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, 1264 int device, int substreams) 1265 { 1266 struct snd_pcm *pcm; 1267 int err; 1268 1269 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device, 1270 asihpi->num_outstreams, asihpi->num_instreams, 1271 &pcm); 1272 if (err < 0) 1273 return err; 1274 /* pointer to ops struct is stored, dont change ops afterwards! */ 1275 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1276 &snd_card_asihpi_playback_mmap_ops); 1277 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1278 &snd_card_asihpi_capture_mmap_ops); 1279 1280 pcm->private_data = asihpi; 1281 pcm->info_flags = 0; 1282 strcpy(pcm->name, "Asihpi PCM"); 1283 1284 /*? do we want to emulate MMAP for non-BBM cards? 1285 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */ 1286 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1287 snd_dma_pci_data(asihpi->pci), 1288 64*1024, BUFFER_BYTES_MAX); 1289 1290 return 0; 1291 } 1292 1293 /***************************** MIXER CONTROLS ****************/ 1294 struct hpi_control { 1295 u32 h_control; 1296 u16 control_type; 1297 u16 src_node_type; 1298 u16 src_node_index; 1299 u16 dst_node_type; 1300 u16 dst_node_index; 1301 u16 band; 1302 char name[44]; /* copied to snd_ctl_elem_id.name[44]; */ 1303 }; 1304 1305 static const char * const asihpi_tuner_band_names[] = { 1306 "invalid", 1307 "AM", 1308 "FM mono", 1309 "TV NTSC-M", 1310 "FM stereo", 1311 "AUX", 1312 "TV PAL BG", 1313 "TV PAL I", 1314 "TV PAL DK", 1315 "TV SECAM", 1316 }; 1317 1318 compile_time_assert( 1319 (ARRAY_SIZE(asihpi_tuner_band_names) == 1320 (HPI_TUNER_BAND_LAST+1)), 1321 assert_tuner_band_names_size); 1322 1323 static const char * const asihpi_src_names[] = { 1324 "no source", 1325 "PCM", 1326 "Line", 1327 "Digital", 1328 "Tuner", 1329 "RF", 1330 "Clock", 1331 "Bitstream", 1332 "Mic", 1333 "Net", 1334 "Analog", 1335 "Adapter", 1336 "RTP", 1337 "GPI", 1338 }; 1339 1340 compile_time_assert( 1341 (ARRAY_SIZE(asihpi_src_names) == 1342 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)), 1343 assert_src_names_size); 1344 1345 static const char * const asihpi_dst_names[] = { 1346 "no destination", 1347 "PCM", 1348 "Line", 1349 "Digital", 1350 "RF", 1351 "Speaker", 1352 "Net", 1353 "Analog", 1354 "RTP", 1355 "GPO", 1356 }; 1357 1358 compile_time_assert( 1359 (ARRAY_SIZE(asihpi_dst_names) == 1360 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)), 1361 assert_dst_names_size); 1362 1363 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl, 1364 struct snd_card_asihpi *asihpi) 1365 { 1366 int err; 1367 1368 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi)); 1369 if (err < 0) 1370 return err; 1371 else if (mixer_dump) 1372 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index); 1373 1374 return 0; 1375 } 1376 1377 /* Convert HPI control name and location into ALSA control name */ 1378 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control, 1379 struct hpi_control *hpi_ctl, 1380 char *name) 1381 { 1382 char *dir; 1383 memset(snd_control, 0, sizeof(*snd_control)); 1384 snd_control->name = hpi_ctl->name; 1385 snd_control->private_value = hpi_ctl->h_control; 1386 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1387 snd_control->index = 0; 1388 1389 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE) 1390 dir = ""; /* clock is neither capture nor playback */ 1391 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM) 1392 dir = "Capture "; /* On or towards a PCM capture destination*/ 1393 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && 1394 (!hpi_ctl->dst_node_type)) 1395 dir = "Capture "; /* On a source node that is not PCM playback */ 1396 else if (hpi_ctl->src_node_type && 1397 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && 1398 (hpi_ctl->dst_node_type)) 1399 dir = "Monitor Playback "; /* Between an input and an output */ 1400 else 1401 dir = "Playback "; /* PCM Playback source, or output node */ 1402 1403 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type) 1404 sprintf(hpi_ctl->name, "%s %d %s %d %s%s", 1405 asihpi_src_names[hpi_ctl->src_node_type], 1406 hpi_ctl->src_node_index, 1407 asihpi_dst_names[hpi_ctl->dst_node_type], 1408 hpi_ctl->dst_node_index, 1409 dir, name); 1410 else if (hpi_ctl->dst_node_type) { 1411 sprintf(hpi_ctl->name, "%s %d %s%s", 1412 asihpi_dst_names[hpi_ctl->dst_node_type], 1413 hpi_ctl->dst_node_index, 1414 dir, name); 1415 } else { 1416 sprintf(hpi_ctl->name, "%s %d %s%s", 1417 asihpi_src_names[hpi_ctl->src_node_type], 1418 hpi_ctl->src_node_index, 1419 dir, name); 1420 } 1421 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name, 1422 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */ 1423 } 1424 1425 /*------------------------------------------------------------ 1426 Volume controls 1427 ------------------------------------------------------------*/ 1428 #define VOL_STEP_mB 1 1429 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol, 1430 struct snd_ctl_elem_info *uinfo) 1431 { 1432 u32 h_control = kcontrol->private_value; 1433 u16 err; 1434 /* native gains are in millibels */ 1435 short min_gain_mB; 1436 short max_gain_mB; 1437 short step_gain_mB; 1438 1439 err = hpi_volume_query_range(h_control, 1440 &min_gain_mB, &max_gain_mB, &step_gain_mB); 1441 if (err) { 1442 max_gain_mB = 0; 1443 min_gain_mB = -10000; 1444 step_gain_mB = VOL_STEP_mB; 1445 } 1446 1447 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1448 uinfo->count = 2; 1449 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB; 1450 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB; 1451 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB; 1452 return 0; 1453 } 1454 1455 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol, 1456 struct snd_ctl_elem_value *ucontrol) 1457 { 1458 u32 h_control = kcontrol->private_value; 1459 short an_gain_mB[HPI_MAX_CHANNELS]; 1460 1461 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB)); 1462 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB; 1463 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB; 1464 1465 return 0; 1466 } 1467 1468 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol, 1469 struct snd_ctl_elem_value *ucontrol) 1470 { 1471 int change; 1472 u32 h_control = kcontrol->private_value; 1473 short an_gain_mB[HPI_MAX_CHANNELS]; 1474 1475 an_gain_mB[0] = 1476 (ucontrol->value.integer.value[0]) * VOL_STEP_mB; 1477 an_gain_mB[1] = 1478 (ucontrol->value.integer.value[1]) * VOL_STEP_mB; 1479 /* change = asihpi->mixer_volume[addr][0] != left || 1480 asihpi->mixer_volume[addr][1] != right; 1481 */ 1482 change = 1; 1483 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB)); 1484 return change; 1485 } 1486 1487 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0); 1488 1489 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info 1490 1491 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol, 1492 struct snd_ctl_elem_value *ucontrol) 1493 { 1494 u32 h_control = kcontrol->private_value; 1495 u32 mute; 1496 1497 hpi_handle_error(hpi_volume_get_mute(h_control, &mute)); 1498 ucontrol->value.integer.value[0] = mute ? 0 : 1; 1499 1500 return 0; 1501 } 1502 1503 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol, 1504 struct snd_ctl_elem_value *ucontrol) 1505 { 1506 u32 h_control = kcontrol->private_value; 1507 int change = 1; 1508 /* HPI currently only supports all or none muting of multichannel volume 1509 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted 1510 */ 1511 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS; 1512 hpi_handle_error(hpi_volume_set_mute(h_control, mute)); 1513 return change; 1514 } 1515 1516 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi, 1517 struct hpi_control *hpi_ctl) 1518 { 1519 struct snd_card *card = asihpi->card; 1520 struct snd_kcontrol_new snd_control; 1521 int err; 1522 u32 mute; 1523 1524 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume"); 1525 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1526 SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1527 snd_control.info = snd_asihpi_volume_info; 1528 snd_control.get = snd_asihpi_volume_get; 1529 snd_control.put = snd_asihpi_volume_put; 1530 snd_control.tlv.p = db_scale_100; 1531 1532 err = ctl_add(card, &snd_control, asihpi); 1533 if (err) 1534 return err; 1535 1536 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) { 1537 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch"); 1538 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1539 snd_control.info = snd_asihpi_volume_mute_info; 1540 snd_control.get = snd_asihpi_volume_mute_get; 1541 snd_control.put = snd_asihpi_volume_mute_put; 1542 err = ctl_add(card, &snd_control, asihpi); 1543 } 1544 return err; 1545 } 1546 1547 /*------------------------------------------------------------ 1548 Level controls 1549 ------------------------------------------------------------*/ 1550 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol, 1551 struct snd_ctl_elem_info *uinfo) 1552 { 1553 u32 h_control = kcontrol->private_value; 1554 u16 err; 1555 short min_gain_mB; 1556 short max_gain_mB; 1557 short step_gain_mB; 1558 1559 err = 1560 hpi_level_query_range(h_control, &min_gain_mB, 1561 &max_gain_mB, &step_gain_mB); 1562 if (err) { 1563 max_gain_mB = 2400; 1564 min_gain_mB = -1000; 1565 step_gain_mB = 100; 1566 } 1567 1568 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1569 uinfo->count = 2; 1570 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB; 1571 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB; 1572 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB; 1573 return 0; 1574 } 1575 1576 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol, 1577 struct snd_ctl_elem_value *ucontrol) 1578 { 1579 u32 h_control = kcontrol->private_value; 1580 short an_gain_mB[HPI_MAX_CHANNELS]; 1581 1582 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB)); 1583 ucontrol->value.integer.value[0] = 1584 an_gain_mB[0] / HPI_UNITS_PER_dB; 1585 ucontrol->value.integer.value[1] = 1586 an_gain_mB[1] / HPI_UNITS_PER_dB; 1587 1588 return 0; 1589 } 1590 1591 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol, 1592 struct snd_ctl_elem_value *ucontrol) 1593 { 1594 int change; 1595 u32 h_control = kcontrol->private_value; 1596 short an_gain_mB[HPI_MAX_CHANNELS]; 1597 1598 an_gain_mB[0] = 1599 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; 1600 an_gain_mB[1] = 1601 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB; 1602 /* change = asihpi->mixer_level[addr][0] != left || 1603 asihpi->mixer_level[addr][1] != right; 1604 */ 1605 change = 1; 1606 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB)); 1607 return change; 1608 } 1609 1610 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0); 1611 1612 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi, 1613 struct hpi_control *hpi_ctl) 1614 { 1615 struct snd_card *card = asihpi->card; 1616 struct snd_kcontrol_new snd_control; 1617 1618 /* can't use 'volume' cos some nodes have volume as well */ 1619 asihpi_ctl_init(&snd_control, hpi_ctl, "Level"); 1620 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1621 SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1622 snd_control.info = snd_asihpi_level_info; 1623 snd_control.get = snd_asihpi_level_get; 1624 snd_control.put = snd_asihpi_level_put; 1625 snd_control.tlv.p = db_scale_level; 1626 1627 return ctl_add(card, &snd_control, asihpi); 1628 } 1629 1630 /*------------------------------------------------------------ 1631 AESEBU controls 1632 ------------------------------------------------------------*/ 1633 1634 /* AESEBU format */ 1635 static const char * const asihpi_aesebu_format_names[] = { 1636 "N/A", "S/PDIF", "AES/EBU" }; 1637 1638 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol, 1639 struct snd_ctl_elem_info *uinfo) 1640 { 1641 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1642 uinfo->count = 1; 1643 uinfo->value.enumerated.items = 3; 1644 1645 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 1646 uinfo->value.enumerated.item = 1647 uinfo->value.enumerated.items - 1; 1648 1649 strcpy(uinfo->value.enumerated.name, 1650 asihpi_aesebu_format_names[uinfo->value.enumerated.item]); 1651 1652 return 0; 1653 } 1654 1655 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol, 1656 struct snd_ctl_elem_value *ucontrol, 1657 u16 (*func)(u32, u16 *)) 1658 { 1659 u32 h_control = kcontrol->private_value; 1660 u16 source, err; 1661 1662 err = func(h_control, &source); 1663 1664 /* default to N/A */ 1665 ucontrol->value.enumerated.item[0] = 0; 1666 /* return success but set the control to N/A */ 1667 if (err) 1668 return 0; 1669 if (source == HPI_AESEBU_FORMAT_SPDIF) 1670 ucontrol->value.enumerated.item[0] = 1; 1671 if (source == HPI_AESEBU_FORMAT_AESEBU) 1672 ucontrol->value.enumerated.item[0] = 2; 1673 1674 return 0; 1675 } 1676 1677 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol, 1678 struct snd_ctl_elem_value *ucontrol, 1679 u16 (*func)(u32, u16)) 1680 { 1681 u32 h_control = kcontrol->private_value; 1682 1683 /* default to S/PDIF */ 1684 u16 source = HPI_AESEBU_FORMAT_SPDIF; 1685 1686 if (ucontrol->value.enumerated.item[0] == 1) 1687 source = HPI_AESEBU_FORMAT_SPDIF; 1688 if (ucontrol->value.enumerated.item[0] == 2) 1689 source = HPI_AESEBU_FORMAT_AESEBU; 1690 1691 if (func(h_control, source) != 0) 1692 return -EINVAL; 1693 1694 return 1; 1695 } 1696 1697 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol, 1698 struct snd_ctl_elem_value *ucontrol) { 1699 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, 1700 hpi_aesebu_receiver_get_format); 1701 } 1702 1703 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol, 1704 struct snd_ctl_elem_value *ucontrol) { 1705 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, 1706 hpi_aesebu_receiver_set_format); 1707 } 1708 1709 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol, 1710 struct snd_ctl_elem_info *uinfo) 1711 { 1712 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1713 uinfo->count = 1; 1714 1715 uinfo->value.integer.min = 0; 1716 uinfo->value.integer.max = 0X1F; 1717 uinfo->value.integer.step = 1; 1718 1719 return 0; 1720 } 1721 1722 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol, 1723 struct snd_ctl_elem_value *ucontrol) { 1724 1725 u32 h_control = kcontrol->private_value; 1726 u16 status; 1727 1728 hpi_handle_error(hpi_aesebu_receiver_get_error_status( 1729 h_control, &status)); 1730 ucontrol->value.integer.value[0] = status; 1731 return 0; 1732 } 1733 1734 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi, 1735 struct hpi_control *hpi_ctl) 1736 { 1737 struct snd_card *card = asihpi->card; 1738 struct snd_kcontrol_new snd_control; 1739 1740 asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); 1741 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1742 snd_control.info = snd_asihpi_aesebu_format_info; 1743 snd_control.get = snd_asihpi_aesebu_rx_format_get; 1744 snd_control.put = snd_asihpi_aesebu_rx_format_put; 1745 1746 1747 if (ctl_add(card, &snd_control, asihpi) < 0) 1748 return -EINVAL; 1749 1750 asihpi_ctl_init(&snd_control, hpi_ctl, "Status"); 1751 snd_control.access = 1752 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 1753 snd_control.info = snd_asihpi_aesebu_rxstatus_info; 1754 snd_control.get = snd_asihpi_aesebu_rxstatus_get; 1755 1756 return ctl_add(card, &snd_control, asihpi); 1757 } 1758 1759 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol, 1760 struct snd_ctl_elem_value *ucontrol) { 1761 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, 1762 hpi_aesebu_transmitter_get_format); 1763 } 1764 1765 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol, 1766 struct snd_ctl_elem_value *ucontrol) { 1767 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, 1768 hpi_aesebu_transmitter_set_format); 1769 } 1770 1771 1772 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi, 1773 struct hpi_control *hpi_ctl) 1774 { 1775 struct snd_card *card = asihpi->card; 1776 struct snd_kcontrol_new snd_control; 1777 1778 asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); 1779 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1780 snd_control.info = snd_asihpi_aesebu_format_info; 1781 snd_control.get = snd_asihpi_aesebu_tx_format_get; 1782 snd_control.put = snd_asihpi_aesebu_tx_format_put; 1783 1784 return ctl_add(card, &snd_control, asihpi); 1785 } 1786 1787 /*------------------------------------------------------------ 1788 Tuner controls 1789 ------------------------------------------------------------*/ 1790 1791 /* Gain */ 1792 1793 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol, 1794 struct snd_ctl_elem_info *uinfo) 1795 { 1796 u32 h_control = kcontrol->private_value; 1797 u16 err; 1798 short idx; 1799 u16 gain_range[3]; 1800 1801 for (idx = 0; idx < 3; idx++) { 1802 err = hpi_tuner_query_gain(h_control, 1803 idx, &gain_range[idx]); 1804 if (err != 0) 1805 return err; 1806 } 1807 1808 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1809 uinfo->count = 1; 1810 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB; 1811 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB; 1812 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB; 1813 return 0; 1814 } 1815 1816 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol, 1817 struct snd_ctl_elem_value *ucontrol) 1818 { 1819 /* 1820 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1821 */ 1822 u32 h_control = kcontrol->private_value; 1823 short gain; 1824 1825 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain)); 1826 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB; 1827 1828 return 0; 1829 } 1830 1831 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol, 1832 struct snd_ctl_elem_value *ucontrol) 1833 { 1834 /* 1835 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1836 */ 1837 u32 h_control = kcontrol->private_value; 1838 short gain; 1839 1840 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; 1841 hpi_handle_error(hpi_tuner_set_gain(h_control, gain)); 1842 1843 return 1; 1844 } 1845 1846 /* Band */ 1847 1848 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol, 1849 u16 *band_list, u32 len) { 1850 u32 h_control = kcontrol->private_value; 1851 u16 err = 0; 1852 u32 i; 1853 1854 for (i = 0; i < len; i++) { 1855 err = hpi_tuner_query_band( 1856 h_control, i, &band_list[i]); 1857 if (err != 0) 1858 break; 1859 } 1860 1861 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX)) 1862 return -EIO; 1863 1864 return i; 1865 } 1866 1867 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol, 1868 struct snd_ctl_elem_info *uinfo) 1869 { 1870 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1871 int num_bands = 0; 1872 1873 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1874 HPI_TUNER_BAND_LAST); 1875 1876 if (num_bands < 0) 1877 return num_bands; 1878 1879 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1880 uinfo->count = 1; 1881 uinfo->value.enumerated.items = num_bands; 1882 1883 if (num_bands > 0) { 1884 if (uinfo->value.enumerated.item >= 1885 uinfo->value.enumerated.items) 1886 uinfo->value.enumerated.item = 1887 uinfo->value.enumerated.items - 1; 1888 1889 strcpy(uinfo->value.enumerated.name, 1890 asihpi_tuner_band_names[ 1891 tuner_bands[uinfo->value.enumerated.item]]); 1892 1893 } 1894 return 0; 1895 } 1896 1897 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol, 1898 struct snd_ctl_elem_value *ucontrol) 1899 { 1900 u32 h_control = kcontrol->private_value; 1901 /* 1902 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1903 */ 1904 u16 band, idx; 1905 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1906 u32 num_bands = 0; 1907 1908 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1909 HPI_TUNER_BAND_LAST); 1910 1911 hpi_handle_error(hpi_tuner_get_band(h_control, &band)); 1912 1913 ucontrol->value.enumerated.item[0] = -1; 1914 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++) 1915 if (tuner_bands[idx] == band) { 1916 ucontrol->value.enumerated.item[0] = idx; 1917 break; 1918 } 1919 1920 return 0; 1921 } 1922 1923 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol, 1924 struct snd_ctl_elem_value *ucontrol) 1925 { 1926 /* 1927 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1928 */ 1929 u32 h_control = kcontrol->private_value; 1930 u16 band; 1931 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1932 u32 num_bands = 0; 1933 1934 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1935 HPI_TUNER_BAND_LAST); 1936 1937 band = tuner_bands[ucontrol->value.enumerated.item[0]]; 1938 hpi_handle_error(hpi_tuner_set_band(h_control, band)); 1939 1940 return 1; 1941 } 1942 1943 /* Freq */ 1944 1945 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol, 1946 struct snd_ctl_elem_info *uinfo) 1947 { 1948 u32 h_control = kcontrol->private_value; 1949 u16 err; 1950 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1951 u16 num_bands = 0, band_iter, idx; 1952 u32 freq_range[3], temp_freq_range[3]; 1953 1954 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1955 HPI_TUNER_BAND_LAST); 1956 1957 freq_range[0] = INT_MAX; 1958 freq_range[1] = 0; 1959 freq_range[2] = INT_MAX; 1960 1961 for (band_iter = 0; band_iter < num_bands; band_iter++) { 1962 for (idx = 0; idx < 3; idx++) { 1963 err = hpi_tuner_query_frequency(h_control, 1964 idx, tuner_bands[band_iter], 1965 &temp_freq_range[idx]); 1966 if (err != 0) 1967 return err; 1968 } 1969 1970 /* skip band with bogus stepping */ 1971 if (temp_freq_range[2] <= 0) 1972 continue; 1973 1974 if (temp_freq_range[0] < freq_range[0]) 1975 freq_range[0] = temp_freq_range[0]; 1976 if (temp_freq_range[1] > freq_range[1]) 1977 freq_range[1] = temp_freq_range[1]; 1978 if (temp_freq_range[2] < freq_range[2]) 1979 freq_range[2] = temp_freq_range[2]; 1980 } 1981 1982 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1983 uinfo->count = 1; 1984 uinfo->value.integer.min = ((int)freq_range[0]); 1985 uinfo->value.integer.max = ((int)freq_range[1]); 1986 uinfo->value.integer.step = ((int)freq_range[2]); 1987 return 0; 1988 } 1989 1990 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol, 1991 struct snd_ctl_elem_value *ucontrol) 1992 { 1993 u32 h_control = kcontrol->private_value; 1994 u32 freq; 1995 1996 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq)); 1997 ucontrol->value.integer.value[0] = freq; 1998 1999 return 0; 2000 } 2001 2002 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol, 2003 struct snd_ctl_elem_value *ucontrol) 2004 { 2005 u32 h_control = kcontrol->private_value; 2006 u32 freq; 2007 2008 freq = ucontrol->value.integer.value[0]; 2009 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq)); 2010 2011 return 1; 2012 } 2013 2014 /* Tuner control group initializer */ 2015 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi, 2016 struct hpi_control *hpi_ctl) 2017 { 2018 struct snd_card *card = asihpi->card; 2019 struct snd_kcontrol_new snd_control; 2020 2021 snd_control.private_value = hpi_ctl->h_control; 2022 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2023 2024 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) { 2025 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain"); 2026 snd_control.info = snd_asihpi_tuner_gain_info; 2027 snd_control.get = snd_asihpi_tuner_gain_get; 2028 snd_control.put = snd_asihpi_tuner_gain_put; 2029 2030 if (ctl_add(card, &snd_control, asihpi) < 0) 2031 return -EINVAL; 2032 } 2033 2034 asihpi_ctl_init(&snd_control, hpi_ctl, "Band"); 2035 snd_control.info = snd_asihpi_tuner_band_info; 2036 snd_control.get = snd_asihpi_tuner_band_get; 2037 snd_control.put = snd_asihpi_tuner_band_put; 2038 2039 if (ctl_add(card, &snd_control, asihpi) < 0) 2040 return -EINVAL; 2041 2042 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq"); 2043 snd_control.info = snd_asihpi_tuner_freq_info; 2044 snd_control.get = snd_asihpi_tuner_freq_get; 2045 snd_control.put = snd_asihpi_tuner_freq_put; 2046 2047 return ctl_add(card, &snd_control, asihpi); 2048 } 2049 2050 /*------------------------------------------------------------ 2051 Meter controls 2052 ------------------------------------------------------------*/ 2053 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol, 2054 struct snd_ctl_elem_info *uinfo) 2055 { 2056 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2057 uinfo->count = HPI_MAX_CHANNELS; 2058 uinfo->value.integer.min = 0; 2059 uinfo->value.integer.max = 0x7FFFFFFF; 2060 return 0; 2061 } 2062 2063 /* linear values for 10dB steps */ 2064 static int log2lin[] = { 2065 0x7FFFFFFF, /* 0dB */ 2066 679093956, 2067 214748365, 2068 67909396, 2069 21474837, 2070 6790940, 2071 2147484, /* -60dB */ 2072 679094, 2073 214748, /* -80 */ 2074 67909, 2075 21475, /* -100 */ 2076 6791, 2077 2147, 2078 679, 2079 214, 2080 68, 2081 21, 2082 7, 2083 2 2084 }; 2085 2086 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol, 2087 struct snd_ctl_elem_value *ucontrol) 2088 { 2089 u32 h_control = kcontrol->private_value; 2090 short an_gain_mB[HPI_MAX_CHANNELS], i; 2091 u16 err; 2092 2093 err = hpi_meter_get_peak(h_control, an_gain_mB); 2094 2095 for (i = 0; i < HPI_MAX_CHANNELS; i++) { 2096 if (err) { 2097 ucontrol->value.integer.value[i] = 0; 2098 } else if (an_gain_mB[i] >= 0) { 2099 ucontrol->value.integer.value[i] = 2100 an_gain_mB[i] << 16; 2101 } else { 2102 /* -ve is log value in millibels < -60dB, 2103 * convert to (roughly!) linear, 2104 */ 2105 ucontrol->value.integer.value[i] = 2106 log2lin[an_gain_mB[i] / -1000]; 2107 } 2108 } 2109 return 0; 2110 } 2111 2112 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi, 2113 struct hpi_control *hpi_ctl, int subidx) 2114 { 2115 struct snd_card *card = asihpi->card; 2116 struct snd_kcontrol_new snd_control; 2117 2118 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter"); 2119 snd_control.access = 2120 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 2121 snd_control.info = snd_asihpi_meter_info; 2122 snd_control.get = snd_asihpi_meter_get; 2123 2124 snd_control.index = subidx; 2125 2126 return ctl_add(card, &snd_control, asihpi); 2127 } 2128 2129 /*------------------------------------------------------------ 2130 Multiplexer controls 2131 ------------------------------------------------------------*/ 2132 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control) 2133 { 2134 u32 h_control = snd_control->private_value; 2135 struct hpi_control hpi_ctl; 2136 int s, err; 2137 for (s = 0; s < 32; s++) { 2138 err = hpi_multiplexer_query_source(h_control, s, 2139 &hpi_ctl. 2140 src_node_type, 2141 &hpi_ctl. 2142 src_node_index); 2143 if (err) 2144 break; 2145 } 2146 return s; 2147 } 2148 2149 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol, 2150 struct snd_ctl_elem_info *uinfo) 2151 { 2152 int err; 2153 u16 src_node_type, src_node_index; 2154 u32 h_control = kcontrol->private_value; 2155 2156 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 2157 uinfo->count = 1; 2158 uinfo->value.enumerated.items = 2159 snd_card_asihpi_mux_count_sources(kcontrol); 2160 2161 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 2162 uinfo->value.enumerated.item = 2163 uinfo->value.enumerated.items - 1; 2164 2165 err = 2166 hpi_multiplexer_query_source(h_control, 2167 uinfo->value.enumerated.item, 2168 &src_node_type, &src_node_index); 2169 2170 sprintf(uinfo->value.enumerated.name, "%s %d", 2171 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE], 2172 src_node_index); 2173 return 0; 2174 } 2175 2176 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol, 2177 struct snd_ctl_elem_value *ucontrol) 2178 { 2179 u32 h_control = kcontrol->private_value; 2180 u16 source_type, source_index; 2181 u16 src_node_type, src_node_index; 2182 int s; 2183 2184 hpi_handle_error(hpi_multiplexer_get_source(h_control, 2185 &source_type, &source_index)); 2186 /* Should cache this search result! */ 2187 for (s = 0; s < 256; s++) { 2188 if (hpi_multiplexer_query_source(h_control, s, 2189 &src_node_type, &src_node_index)) 2190 break; 2191 2192 if ((source_type == src_node_type) 2193 && (source_index == src_node_index)) { 2194 ucontrol->value.enumerated.item[0] = s; 2195 return 0; 2196 } 2197 } 2198 snd_printd(KERN_WARNING 2199 "Control %x failed to match mux source %hu %hu\n", 2200 h_control, source_type, source_index); 2201 ucontrol->value.enumerated.item[0] = 0; 2202 return 0; 2203 } 2204 2205 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol, 2206 struct snd_ctl_elem_value *ucontrol) 2207 { 2208 int change; 2209 u32 h_control = kcontrol->private_value; 2210 u16 source_type, source_index; 2211 u16 e; 2212 2213 change = 1; 2214 2215 e = hpi_multiplexer_query_source(h_control, 2216 ucontrol->value.enumerated.item[0], 2217 &source_type, &source_index); 2218 if (!e) 2219 hpi_handle_error( 2220 hpi_multiplexer_set_source(h_control, 2221 source_type, source_index)); 2222 return change; 2223 } 2224 2225 2226 static int __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi, 2227 struct hpi_control *hpi_ctl) 2228 { 2229 struct snd_card *card = asihpi->card; 2230 struct snd_kcontrol_new snd_control; 2231 2232 asihpi_ctl_init(&snd_control, hpi_ctl, "Route"); 2233 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2234 snd_control.info = snd_asihpi_mux_info; 2235 snd_control.get = snd_asihpi_mux_get; 2236 snd_control.put = snd_asihpi_mux_put; 2237 2238 return ctl_add(card, &snd_control, asihpi); 2239 2240 } 2241 2242 /*------------------------------------------------------------ 2243 Channel mode controls 2244 ------------------------------------------------------------*/ 2245 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol, 2246 struct snd_ctl_elem_info *uinfo) 2247 { 2248 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = { 2249 "invalid", 2250 "Normal", "Swap", 2251 "From Left", "From Right", 2252 "To Left", "To Right" 2253 }; 2254 2255 u32 h_control = kcontrol->private_value; 2256 u16 mode; 2257 int i; 2258 u16 mode_map[6]; 2259 int valid_modes = 0; 2260 2261 /* HPI channel mode values can be from 1 to 6 2262 Some adapters only support a contiguous subset 2263 */ 2264 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++) 2265 if (!hpi_channel_mode_query_mode( 2266 h_control, i, &mode)) { 2267 mode_map[valid_modes] = mode; 2268 valid_modes++; 2269 } 2270 2271 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 2272 uinfo->count = 1; 2273 uinfo->value.enumerated.items = valid_modes; 2274 2275 if (uinfo->value.enumerated.item >= valid_modes) 2276 uinfo->value.enumerated.item = valid_modes - 1; 2277 2278 strcpy(uinfo->value.enumerated.name, 2279 mode_names[mode_map[uinfo->value.enumerated.item]]); 2280 2281 return 0; 2282 } 2283 2284 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol, 2285 struct snd_ctl_elem_value *ucontrol) 2286 { 2287 u32 h_control = kcontrol->private_value; 2288 u16 mode; 2289 2290 if (hpi_channel_mode_get(h_control, &mode)) 2291 mode = 1; 2292 2293 ucontrol->value.enumerated.item[0] = mode - 1; 2294 2295 return 0; 2296 } 2297 2298 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol, 2299 struct snd_ctl_elem_value *ucontrol) 2300 { 2301 int change; 2302 u32 h_control = kcontrol->private_value; 2303 2304 change = 1; 2305 2306 hpi_handle_error(hpi_channel_mode_set(h_control, 2307 ucontrol->value.enumerated.item[0] + 1)); 2308 return change; 2309 } 2310 2311 2312 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi, 2313 struct hpi_control *hpi_ctl) 2314 { 2315 struct snd_card *card = asihpi->card; 2316 struct snd_kcontrol_new snd_control; 2317 2318 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode"); 2319 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2320 snd_control.info = snd_asihpi_cmode_info; 2321 snd_control.get = snd_asihpi_cmode_get; 2322 snd_control.put = snd_asihpi_cmode_put; 2323 2324 return ctl_add(card, &snd_control, asihpi); 2325 } 2326 2327 /*------------------------------------------------------------ 2328 Sampleclock source controls 2329 ------------------------------------------------------------*/ 2330 static char *sampleclock_sources[MAX_CLOCKSOURCES] = { 2331 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header", 2332 "SMPTE", "Digital1", "Auto", "Network", "Invalid", 2333 "Prev Module", 2334 "Digital2", "Digital3", "Digital4", "Digital5", 2335 "Digital6", "Digital7", "Digital8"}; 2336 2337 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol, 2338 struct snd_ctl_elem_info *uinfo) 2339 { 2340 struct snd_card_asihpi *asihpi = 2341 (struct snd_card_asihpi *)(kcontrol->private_data); 2342 struct clk_cache *clkcache = &asihpi->cc; 2343 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 2344 uinfo->count = 1; 2345 uinfo->value.enumerated.items = clkcache->count; 2346 2347 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 2348 uinfo->value.enumerated.item = 2349 uinfo->value.enumerated.items - 1; 2350 2351 strcpy(uinfo->value.enumerated.name, 2352 clkcache->s[uinfo->value.enumerated.item].name); 2353 return 0; 2354 } 2355 2356 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol, 2357 struct snd_ctl_elem_value *ucontrol) 2358 { 2359 struct snd_card_asihpi *asihpi = 2360 (struct snd_card_asihpi *)(kcontrol->private_data); 2361 struct clk_cache *clkcache = &asihpi->cc; 2362 u32 h_control = kcontrol->private_value; 2363 u16 source, srcindex = 0; 2364 int i; 2365 2366 ucontrol->value.enumerated.item[0] = 0; 2367 if (hpi_sample_clock_get_source(h_control, &source)) 2368 source = 0; 2369 2370 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2371 if (hpi_sample_clock_get_source_index(h_control, &srcindex)) 2372 srcindex = 0; 2373 2374 for (i = 0; i < clkcache->count; i++) 2375 if ((clkcache->s[i].source == source) && 2376 (clkcache->s[i].index == srcindex)) 2377 break; 2378 2379 ucontrol->value.enumerated.item[0] = i; 2380 2381 return 0; 2382 } 2383 2384 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol, 2385 struct snd_ctl_elem_value *ucontrol) 2386 { 2387 struct snd_card_asihpi *asihpi = 2388 (struct snd_card_asihpi *)(kcontrol->private_data); 2389 struct clk_cache *clkcache = &asihpi->cc; 2390 int change, item; 2391 u32 h_control = kcontrol->private_value; 2392 2393 change = 1; 2394 item = ucontrol->value.enumerated.item[0]; 2395 if (item >= clkcache->count) 2396 item = clkcache->count-1; 2397 2398 hpi_handle_error(hpi_sample_clock_set_source( 2399 h_control, clkcache->s[item].source)); 2400 2401 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2402 hpi_handle_error(hpi_sample_clock_set_source_index( 2403 h_control, clkcache->s[item].index)); 2404 return change; 2405 } 2406 2407 /*------------------------------------------------------------ 2408 Clkrate controls 2409 ------------------------------------------------------------*/ 2410 /* Need to change this to enumerated control with list of rates */ 2411 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol, 2412 struct snd_ctl_elem_info *uinfo) 2413 { 2414 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2415 uinfo->count = 1; 2416 uinfo->value.integer.min = 8000; 2417 uinfo->value.integer.max = 192000; 2418 uinfo->value.integer.step = 100; 2419 2420 return 0; 2421 } 2422 2423 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol, 2424 struct snd_ctl_elem_value *ucontrol) 2425 { 2426 u32 h_control = kcontrol->private_value; 2427 u32 rate; 2428 u16 e; 2429 2430 e = hpi_sample_clock_get_local_rate(h_control, &rate); 2431 if (!e) 2432 ucontrol->value.integer.value[0] = rate; 2433 else 2434 ucontrol->value.integer.value[0] = 0; 2435 return 0; 2436 } 2437 2438 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol, 2439 struct snd_ctl_elem_value *ucontrol) 2440 { 2441 int change; 2442 u32 h_control = kcontrol->private_value; 2443 2444 /* change = asihpi->mixer_clkrate[addr][0] != left || 2445 asihpi->mixer_clkrate[addr][1] != right; 2446 */ 2447 change = 1; 2448 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control, 2449 ucontrol->value.integer.value[0])); 2450 return change; 2451 } 2452 2453 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol, 2454 struct snd_ctl_elem_info *uinfo) 2455 { 2456 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2457 uinfo->count = 1; 2458 uinfo->value.integer.min = 8000; 2459 uinfo->value.integer.max = 192000; 2460 uinfo->value.integer.step = 100; 2461 2462 return 0; 2463 } 2464 2465 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol, 2466 struct snd_ctl_elem_value *ucontrol) 2467 { 2468 u32 h_control = kcontrol->private_value; 2469 u32 rate; 2470 u16 e; 2471 2472 e = hpi_sample_clock_get_sample_rate(h_control, &rate); 2473 if (!e) 2474 ucontrol->value.integer.value[0] = rate; 2475 else 2476 ucontrol->value.integer.value[0] = 0; 2477 return 0; 2478 } 2479 2480 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi, 2481 struct hpi_control *hpi_ctl) 2482 { 2483 struct snd_card *card = asihpi->card; 2484 struct snd_kcontrol_new snd_control; 2485 2486 struct clk_cache *clkcache = &asihpi->cc; 2487 u32 hSC = hpi_ctl->h_control; 2488 int has_aes_in = 0; 2489 int i, j; 2490 u16 source; 2491 2492 snd_control.private_value = hpi_ctl->h_control; 2493 2494 clkcache->has_local = 0; 2495 2496 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) { 2497 if (hpi_sample_clock_query_source(hSC, 2498 i, &source)) 2499 break; 2500 clkcache->s[i].source = source; 2501 clkcache->s[i].index = 0; 2502 clkcache->s[i].name = sampleclock_sources[source]; 2503 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2504 has_aes_in = 1; 2505 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL) 2506 clkcache->has_local = 1; 2507 } 2508 if (has_aes_in) 2509 /* already will have picked up index 0 above */ 2510 for (j = 1; j < 8; j++) { 2511 if (hpi_sample_clock_query_source_index(hSC, 2512 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT, 2513 &source)) 2514 break; 2515 clkcache->s[i].source = 2516 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT; 2517 clkcache->s[i].index = j; 2518 clkcache->s[i].name = sampleclock_sources[ 2519 j+HPI_SAMPLECLOCK_SOURCE_LAST]; 2520 i++; 2521 } 2522 clkcache->count = i; 2523 2524 asihpi_ctl_init(&snd_control, hpi_ctl, "Source"); 2525 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; 2526 snd_control.info = snd_asihpi_clksrc_info; 2527 snd_control.get = snd_asihpi_clksrc_get; 2528 snd_control.put = snd_asihpi_clksrc_put; 2529 if (ctl_add(card, &snd_control, asihpi) < 0) 2530 return -EINVAL; 2531 2532 2533 if (clkcache->has_local) { 2534 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate"); 2535 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; 2536 snd_control.info = snd_asihpi_clklocal_info; 2537 snd_control.get = snd_asihpi_clklocal_get; 2538 snd_control.put = snd_asihpi_clklocal_put; 2539 2540 2541 if (ctl_add(card, &snd_control, asihpi) < 0) 2542 return -EINVAL; 2543 } 2544 2545 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate"); 2546 snd_control.access = 2547 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 2548 snd_control.info = snd_asihpi_clkrate_info; 2549 snd_control.get = snd_asihpi_clkrate_get; 2550 2551 return ctl_add(card, &snd_control, asihpi); 2552 } 2553 /*------------------------------------------------------------ 2554 Mixer 2555 ------------------------------------------------------------*/ 2556 2557 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi) 2558 { 2559 struct snd_card *card = asihpi->card; 2560 unsigned int idx = 0; 2561 unsigned int subindex = 0; 2562 int err; 2563 struct hpi_control hpi_ctl, prev_ctl; 2564 2565 if (snd_BUG_ON(!asihpi)) 2566 return -EINVAL; 2567 strcpy(card->mixername, "Asihpi Mixer"); 2568 2569 err = 2570 hpi_mixer_open(asihpi->adapter_index, 2571 &asihpi->h_mixer); 2572 hpi_handle_error(err); 2573 if (err) 2574 return -err; 2575 2576 memset(&prev_ctl, 0, sizeof(prev_ctl)); 2577 prev_ctl.control_type = -1; 2578 2579 for (idx = 0; idx < 2000; idx++) { 2580 err = hpi_mixer_get_control_by_index( 2581 asihpi->h_mixer, 2582 idx, 2583 &hpi_ctl.src_node_type, 2584 &hpi_ctl.src_node_index, 2585 &hpi_ctl.dst_node_type, 2586 &hpi_ctl.dst_node_index, 2587 &hpi_ctl.control_type, 2588 &hpi_ctl.h_control); 2589 if (err) { 2590 if (err == HPI_ERROR_CONTROL_DISABLED) { 2591 if (mixer_dump) 2592 snd_printk(KERN_INFO 2593 "Disabled HPI Control(%d)\n", 2594 idx); 2595 continue; 2596 } else 2597 break; 2598 2599 } 2600 2601 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE; 2602 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE; 2603 2604 /* ASI50xx in SSX mode has multiple meters on the same node. 2605 Use subindex to create distinct ALSA controls 2606 for any duplicated controls. 2607 */ 2608 if ((hpi_ctl.control_type == prev_ctl.control_type) && 2609 (hpi_ctl.src_node_type == prev_ctl.src_node_type) && 2610 (hpi_ctl.src_node_index == prev_ctl.src_node_index) && 2611 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) && 2612 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index)) 2613 subindex++; 2614 else 2615 subindex = 0; 2616 2617 prev_ctl = hpi_ctl; 2618 2619 switch (hpi_ctl.control_type) { 2620 case HPI_CONTROL_VOLUME: 2621 err = snd_asihpi_volume_add(asihpi, &hpi_ctl); 2622 break; 2623 case HPI_CONTROL_LEVEL: 2624 err = snd_asihpi_level_add(asihpi, &hpi_ctl); 2625 break; 2626 case HPI_CONTROL_MULTIPLEXER: 2627 err = snd_asihpi_mux_add(asihpi, &hpi_ctl); 2628 break; 2629 case HPI_CONTROL_CHANNEL_MODE: 2630 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl); 2631 break; 2632 case HPI_CONTROL_METER: 2633 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex); 2634 break; 2635 case HPI_CONTROL_SAMPLECLOCK: 2636 err = snd_asihpi_sampleclock_add( 2637 asihpi, &hpi_ctl); 2638 break; 2639 case HPI_CONTROL_CONNECTION: /* ignore these */ 2640 continue; 2641 case HPI_CONTROL_TUNER: 2642 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl); 2643 break; 2644 case HPI_CONTROL_AESEBU_TRANSMITTER: 2645 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl); 2646 break; 2647 case HPI_CONTROL_AESEBU_RECEIVER: 2648 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl); 2649 break; 2650 case HPI_CONTROL_VOX: 2651 case HPI_CONTROL_BITSTREAM: 2652 case HPI_CONTROL_MICROPHONE: 2653 case HPI_CONTROL_PARAMETRIC_EQ: 2654 case HPI_CONTROL_COMPANDER: 2655 default: 2656 if (mixer_dump) 2657 snd_printk(KERN_INFO 2658 "Untranslated HPI Control" 2659 "(%d) %d %d %d %d %d\n", 2660 idx, 2661 hpi_ctl.control_type, 2662 hpi_ctl.src_node_type, 2663 hpi_ctl.src_node_index, 2664 hpi_ctl.dst_node_type, 2665 hpi_ctl.dst_node_index); 2666 continue; 2667 }; 2668 if (err < 0) 2669 return err; 2670 } 2671 if (HPI_ERROR_INVALID_OBJ_INDEX != err) 2672 hpi_handle_error(err); 2673 2674 snd_printk(KERN_INFO "%d mixer controls found\n", idx); 2675 2676 return 0; 2677 } 2678 2679 /*------------------------------------------------------------ 2680 /proc interface 2681 ------------------------------------------------------------*/ 2682 2683 static void 2684 snd_asihpi_proc_read(struct snd_info_entry *entry, 2685 struct snd_info_buffer *buffer) 2686 { 2687 struct snd_card_asihpi *asihpi = entry->private_data; 2688 u16 version; 2689 u32 h_control; 2690 u32 rate = 0; 2691 u16 source = 0; 2692 int err; 2693 2694 snd_iprintf(buffer, "ASIHPI driver proc file\n"); 2695 snd_iprintf(buffer, 2696 "adapter ID=%4X\n_index=%d\n" 2697 "num_outstreams=%d\n_num_instreams=%d\n", 2698 asihpi->type, asihpi->adapter_index, 2699 asihpi->num_outstreams, asihpi->num_instreams); 2700 2701 version = asihpi->version; 2702 snd_iprintf(buffer, 2703 "serial#=%d\n_hw version %c%d\nDSP code version %03d\n", 2704 asihpi->serial_number, ((version >> 3) & 0xf) + 'A', 2705 version & 0x7, 2706 ((version >> 13) * 100) + ((version >> 7) & 0x3f)); 2707 2708 err = hpi_mixer_get_control(asihpi->h_mixer, 2709 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 2710 HPI_CONTROL_SAMPLECLOCK, &h_control); 2711 2712 if (!err) { 2713 err = hpi_sample_clock_get_sample_rate( 2714 h_control, &rate); 2715 err += hpi_sample_clock_get_source(h_control, &source); 2716 2717 if (!err) 2718 snd_iprintf(buffer, "sample_clock=%d_hz, source %s\n", 2719 rate, sampleclock_sources[source]); 2720 } 2721 2722 } 2723 2724 2725 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi) 2726 { 2727 struct snd_info_entry *entry; 2728 2729 if (!snd_card_proc_new(asihpi->card, "info", &entry)) 2730 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read); 2731 } 2732 2733 /*------------------------------------------------------------ 2734 HWDEP 2735 ------------------------------------------------------------*/ 2736 2737 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file) 2738 { 2739 if (enable_hpi_hwdep) 2740 return 0; 2741 else 2742 return -ENODEV; 2743 2744 } 2745 2746 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file) 2747 { 2748 if (enable_hpi_hwdep) 2749 return asihpi_hpi_release(file); 2750 else 2751 return -ENODEV; 2752 } 2753 2754 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file, 2755 unsigned int cmd, unsigned long arg) 2756 { 2757 if (enable_hpi_hwdep) 2758 return asihpi_hpi_ioctl(file, cmd, arg); 2759 else 2760 return -ENODEV; 2761 } 2762 2763 2764 /* results in /dev/snd/hwC#D0 file for each card with index # 2765 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card' 2766 */ 2767 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi, 2768 int device, struct snd_hwdep **rhwdep) 2769 { 2770 struct snd_hwdep *hw; 2771 int err; 2772 2773 if (rhwdep) 2774 *rhwdep = NULL; 2775 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw); 2776 if (err < 0) 2777 return err; 2778 strcpy(hw->name, "asihpi (HPI)"); 2779 hw->iface = SNDRV_HWDEP_IFACE_LAST; 2780 hw->ops.open = snd_asihpi_hpi_open; 2781 hw->ops.ioctl = snd_asihpi_hpi_ioctl; 2782 hw->ops.release = snd_asihpi_hpi_release; 2783 hw->private_data = asihpi; 2784 if (rhwdep) 2785 *rhwdep = hw; 2786 return 0; 2787 } 2788 2789 /*------------------------------------------------------------ 2790 CARD 2791 ------------------------------------------------------------*/ 2792 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev, 2793 const struct pci_device_id *pci_id) 2794 { 2795 int err; 2796 2797 u16 version; 2798 int pcm_substreams; 2799 2800 struct hpi_adapter *hpi_card; 2801 struct snd_card *card; 2802 struct snd_card_asihpi *asihpi; 2803 2804 u32 h_control; 2805 u32 h_stream; 2806 2807 static int dev; 2808 if (dev >= SNDRV_CARDS) 2809 return -ENODEV; 2810 2811 /* Should this be enable[hpi_card->index] ? */ 2812 if (!enable[dev]) { 2813 dev++; 2814 return -ENOENT; 2815 } 2816 2817 err = asihpi_adapter_probe(pci_dev, pci_id); 2818 if (err < 0) 2819 return err; 2820 2821 hpi_card = pci_get_drvdata(pci_dev); 2822 /* first try to give the card the same index as its hardware index */ 2823 err = snd_card_create(hpi_card->index, 2824 id[hpi_card->index], THIS_MODULE, 2825 sizeof(struct snd_card_asihpi), 2826 &card); 2827 if (err < 0) { 2828 /* if that fails, try the default index==next available */ 2829 err = 2830 snd_card_create(index[dev], id[dev], 2831 THIS_MODULE, 2832 sizeof(struct snd_card_asihpi), 2833 &card); 2834 if (err < 0) 2835 return err; 2836 snd_printk(KERN_WARNING 2837 "**** WARNING **** Adapter index %d->ALSA index %d\n", 2838 hpi_card->index, card->number); 2839 } 2840 2841 snd_card_set_dev(card, &pci_dev->dev); 2842 2843 asihpi = (struct snd_card_asihpi *) card->private_data; 2844 asihpi->card = card; 2845 asihpi->pci = pci_dev; 2846 asihpi->adapter_index = hpi_card->index; 2847 hpi_handle_error(hpi_adapter_get_info( 2848 asihpi->adapter_index, 2849 &asihpi->num_outstreams, 2850 &asihpi->num_instreams, 2851 &asihpi->version, 2852 &asihpi->serial_number, &asihpi->type)); 2853 2854 version = asihpi->version; 2855 snd_printk(KERN_INFO "adapter ID=%4X index=%d num_outstreams=%d " 2856 "num_instreams=%d S/N=%d\n" 2857 "Hw Version %c%d DSP code version %03d\n", 2858 asihpi->type, asihpi->adapter_index, 2859 asihpi->num_outstreams, 2860 asihpi->num_instreams, asihpi->serial_number, 2861 ((version >> 3) & 0xf) + 'A', 2862 version & 0x7, 2863 ((version >> 13) * 100) + ((version >> 7) & 0x3f)); 2864 2865 pcm_substreams = asihpi->num_outstreams; 2866 if (pcm_substreams < asihpi->num_instreams) 2867 pcm_substreams = asihpi->num_instreams; 2868 2869 err = hpi_adapter_get_property(asihpi->adapter_index, 2870 HPI_ADAPTER_PROPERTY_CAPS1, 2871 NULL, &asihpi->support_grouping); 2872 if (err) 2873 asihpi->support_grouping = 0; 2874 2875 err = hpi_adapter_get_property(asihpi->adapter_index, 2876 HPI_ADAPTER_PROPERTY_CAPS2, 2877 &asihpi->support_mrx, NULL); 2878 if (err) 2879 asihpi->support_mrx = 0; 2880 2881 err = hpi_adapter_get_property(asihpi->adapter_index, 2882 HPI_ADAPTER_PROPERTY_INTERVAL, 2883 NULL, &asihpi->update_interval_frames); 2884 if (err) 2885 asihpi->update_interval_frames = 512; 2886 2887 if (!asihpi->can_dma) 2888 asihpi->update_interval_frames *= 2; 2889 2890 hpi_handle_error(hpi_instream_open(asihpi->adapter_index, 2891 0, &h_stream)); 2892 2893 err = hpi_instream_host_buffer_free(h_stream); 2894 asihpi->can_dma = (!err); 2895 2896 hpi_handle_error(hpi_instream_close(h_stream)); 2897 2898 err = hpi_adapter_get_property(asihpi->adapter_index, 2899 HPI_ADAPTER_PROPERTY_CURCHANNELS, 2900 &asihpi->in_max_chans, &asihpi->out_max_chans); 2901 if (err) { 2902 asihpi->in_max_chans = 2; 2903 asihpi->out_max_chans = 2; 2904 } 2905 2906 snd_printk(KERN_INFO "has dma:%d, grouping:%d, mrx:%d\n", 2907 asihpi->can_dma, 2908 asihpi->support_grouping, 2909 asihpi->support_mrx 2910 ); 2911 2912 err = snd_card_asihpi_pcm_new(asihpi, 0, pcm_substreams); 2913 if (err < 0) { 2914 snd_printk(KERN_ERR "pcm_new failed\n"); 2915 goto __nodev; 2916 } 2917 err = snd_card_asihpi_mixer_new(asihpi); 2918 if (err < 0) { 2919 snd_printk(KERN_ERR "mixer_new failed\n"); 2920 goto __nodev; 2921 } 2922 2923 err = hpi_mixer_get_control(asihpi->h_mixer, 2924 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 2925 HPI_CONTROL_SAMPLECLOCK, &h_control); 2926 2927 if (!err) 2928 err = hpi_sample_clock_set_local_rate( 2929 h_control, adapter_fs); 2930 2931 snd_asihpi_proc_init(asihpi); 2932 2933 /* always create, can be enabled or disabled dynamically 2934 by enable_hwdep module param*/ 2935 snd_asihpi_hpi_new(asihpi, 0, NULL); 2936 2937 strcpy(card->driver, "ASIHPI"); 2938 2939 sprintf(card->shortname, "AudioScience ASI%4X", asihpi->type); 2940 sprintf(card->longname, "%s %i", 2941 card->shortname, asihpi->adapter_index); 2942 err = snd_card_register(card); 2943 2944 if (!err) { 2945 hpi_card->snd_card_asihpi = card; 2946 dev++; 2947 return 0; 2948 } 2949 __nodev: 2950 snd_card_free(card); 2951 snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err); 2952 return err; 2953 2954 } 2955 2956 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev) 2957 { 2958 struct hpi_adapter *hpi_card = pci_get_drvdata(pci_dev); 2959 2960 snd_card_free(hpi_card->snd_card_asihpi); 2961 hpi_card->snd_card_asihpi = NULL; 2962 asihpi_adapter_remove(pci_dev); 2963 } 2964 2965 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = { 2966 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205, 2967 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, 2968 (kernel_ulong_t)HPI_6205}, 2969 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040, 2970 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, 2971 (kernel_ulong_t)HPI_6000}, 2972 {0,} 2973 }; 2974 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl); 2975 2976 static struct pci_driver driver = { 2977 .name = KBUILD_MODNAME, 2978 .id_table = asihpi_pci_tbl, 2979 .probe = snd_asihpi_probe, 2980 .remove = __devexit_p(snd_asihpi_remove), 2981 #ifdef CONFIG_PM 2982 /* .suspend = snd_asihpi_suspend, 2983 .resume = snd_asihpi_resume, */ 2984 #endif 2985 }; 2986 2987 static int __init snd_asihpi_init(void) 2988 { 2989 asihpi_init(); 2990 return pci_register_driver(&driver); 2991 } 2992 2993 static void __exit snd_asihpi_exit(void) 2994 { 2995 2996 pci_unregister_driver(&driver); 2997 asihpi_exit(); 2998 } 2999 3000 module_init(snd_asihpi_init) 3001 module_exit(snd_asihpi_exit) 3002 3003