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 "hpi_version.h" 27 #include "hpimsginit.h" 28 #include "hpioctl.h" 29 #include "hpicmn.h" 30 31 32 #include <linux/pci.h> 33 #include <linux/init.h> 34 #include <linux/jiffies.h> 35 #include <linux/slab.h> 36 #include <linux/time.h> 37 #include <linux/wait.h> 38 #include <linux/module.h> 39 #include <sound/core.h> 40 #include <sound/control.h> 41 #include <sound/pcm.h> 42 #include <sound/pcm_params.h> 43 #include <sound/info.h> 44 #include <sound/initval.h> 45 #include <sound/tlv.h> 46 #include <sound/hwdep.h> 47 48 MODULE_LICENSE("GPL"); 49 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>"); 50 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx " 51 HPI_VER_STRING); 52 53 #if defined CONFIG_SND_DEBUG_VERBOSE 54 /** 55 * snd_printddd - very verbose debug printk 56 * @format: format string 57 * 58 * Works like snd_printk() for debugging purposes. 59 * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set. 60 * Must set snd module debug parameter to 3 to enable at runtime. 61 */ 62 #define snd_printddd(format, args...) \ 63 __snd_printk(3, __FILE__, __LINE__, format, ##args) 64 #else 65 #define snd_printddd(format, args...) do { } while (0) 66 #endif 67 68 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */ 69 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 70 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; 71 static bool enable_hpi_hwdep = 1; 72 73 module_param_array(index, int, NULL, S_IRUGO); 74 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard."); 75 76 module_param_array(id, charp, NULL, S_IRUGO); 77 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard."); 78 79 module_param_array(enable, bool, NULL, S_IRUGO); 80 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard."); 81 82 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR); 83 MODULE_PARM_DESC(enable_hpi_hwdep, 84 "ALSA enable HPI hwdep for AudioScience soundcard "); 85 86 /* identify driver */ 87 #ifdef KERNEL_ALSA_BUILD 88 static char *build_info = "Built using headers from kernel source"; 89 module_param(build_info, charp, S_IRUGO); 90 MODULE_PARM_DESC(build_info, "built using headers from kernel source"); 91 #else 92 static char *build_info = "Built within ALSA source"; 93 module_param(build_info, charp, S_IRUGO); 94 MODULE_PARM_DESC(build_info, "built within ALSA source"); 95 #endif 96 97 /* set to 1 to dump every control from adapter to log */ 98 static const int mixer_dump; 99 100 #define DEFAULT_SAMPLERATE 44100 101 static int adapter_fs = DEFAULT_SAMPLERATE; 102 103 /* defaults */ 104 #define PERIODS_MIN 2 105 #define PERIOD_BYTES_MIN 2048 106 #define BUFFER_BYTES_MAX (512 * 1024) 107 108 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7) 109 110 struct clk_source { 111 int source; 112 int index; 113 char *name; 114 }; 115 116 struct clk_cache { 117 int count; 118 int has_local; 119 struct clk_source s[MAX_CLOCKSOURCES]; 120 }; 121 122 /* Per card data */ 123 struct snd_card_asihpi { 124 struct snd_card *card; 125 struct pci_dev *pci; 126 struct hpi_adapter *hpi; 127 128 u32 h_mixer; 129 struct clk_cache cc; 130 131 u16 can_dma; 132 u16 support_grouping; 133 u16 support_mrx; 134 u16 update_interval_frames; 135 u16 in_max_chans; 136 u16 out_max_chans; 137 u16 in_min_chans; 138 u16 out_min_chans; 139 }; 140 141 /* Per stream data */ 142 struct snd_card_asihpi_pcm { 143 struct timer_list timer; 144 unsigned int respawn_timer; 145 unsigned int hpi_buffer_attached; 146 unsigned int buffer_bytes; 147 unsigned int period_bytes; 148 unsigned int bytes_per_sec; 149 unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */ 150 unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */ 151 unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */ 152 unsigned int drained_count; 153 struct snd_pcm_substream *substream; 154 u32 h_stream; 155 struct hpi_format format; 156 }; 157 158 /* universal stream verbs work with out or in stream handles */ 159 160 /* Functions to allow driver to give a buffer to HPI for busmastering */ 161 162 static u16 hpi_stream_host_buffer_attach( 163 u32 h_stream, /* handle to outstream. */ 164 u32 size_in_bytes, /* size in bytes of bus mastering buffer */ 165 u32 pci_address 166 ) 167 { 168 struct hpi_message hm; 169 struct hpi_response hr; 170 unsigned int obj = hpi_handle_object(h_stream); 171 172 if (!h_stream) 173 return HPI_ERROR_INVALID_OBJ; 174 hpi_init_message_response(&hm, &hr, obj, 175 obj == HPI_OBJ_OSTREAM ? 176 HPI_OSTREAM_HOSTBUFFER_ALLOC : 177 HPI_ISTREAM_HOSTBUFFER_ALLOC); 178 179 hpi_handle_to_indexes(h_stream, &hm.adapter_index, 180 &hm.obj_index); 181 182 hm.u.d.u.buffer.buffer_size = size_in_bytes; 183 hm.u.d.u.buffer.pci_address = pci_address; 184 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER; 185 hpi_send_recv(&hm, &hr); 186 return hr.error; 187 } 188 189 static u16 hpi_stream_host_buffer_detach(u32 h_stream) 190 { 191 struct hpi_message hm; 192 struct hpi_response hr; 193 unsigned int obj = hpi_handle_object(h_stream); 194 195 if (!h_stream) 196 return HPI_ERROR_INVALID_OBJ; 197 198 hpi_init_message_response(&hm, &hr, obj, 199 obj == HPI_OBJ_OSTREAM ? 200 HPI_OSTREAM_HOSTBUFFER_FREE : 201 HPI_ISTREAM_HOSTBUFFER_FREE); 202 203 hpi_handle_to_indexes(h_stream, &hm.adapter_index, 204 &hm.obj_index); 205 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER; 206 hpi_send_recv(&hm, &hr); 207 return hr.error; 208 } 209 210 static inline u16 hpi_stream_start(u32 h_stream) 211 { 212 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 213 return hpi_outstream_start(h_stream); 214 else 215 return hpi_instream_start(h_stream); 216 } 217 218 static inline u16 hpi_stream_stop(u32 h_stream) 219 { 220 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 221 return hpi_outstream_stop(h_stream); 222 else 223 return hpi_instream_stop(h_stream); 224 } 225 226 static inline u16 hpi_stream_get_info_ex( 227 u32 h_stream, 228 u16 *pw_state, 229 u32 *pbuffer_size, 230 u32 *pdata_in_buffer, 231 u32 *psample_count, 232 u32 *pauxiliary_data 233 ) 234 { 235 u16 e; 236 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 237 e = hpi_outstream_get_info_ex(h_stream, pw_state, 238 pbuffer_size, pdata_in_buffer, 239 psample_count, pauxiliary_data); 240 else 241 e = hpi_instream_get_info_ex(h_stream, pw_state, 242 pbuffer_size, pdata_in_buffer, 243 psample_count, pauxiliary_data); 244 return e; 245 } 246 247 static inline u16 hpi_stream_group_add( 248 u32 h_master, 249 u32 h_stream) 250 { 251 if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM) 252 return hpi_outstream_group_add(h_master, h_stream); 253 else 254 return hpi_instream_group_add(h_master, h_stream); 255 } 256 257 static inline u16 hpi_stream_group_reset(u32 h_stream) 258 { 259 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 260 return hpi_outstream_group_reset(h_stream); 261 else 262 return hpi_instream_group_reset(h_stream); 263 } 264 265 static inline u16 hpi_stream_group_get_map( 266 u32 h_stream, u32 *mo, u32 *mi) 267 { 268 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM) 269 return hpi_outstream_group_get_map(h_stream, mo, mi); 270 else 271 return hpi_instream_group_get_map(h_stream, mo, mi); 272 } 273 274 static u16 handle_error(u16 err, int line, char *filename) 275 { 276 if (err) 277 printk(KERN_WARNING 278 "in file %s, line %d: HPI error %d\n", 279 filename, line, err); 280 return err; 281 } 282 283 #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__) 284 285 /***************************** GENERAL PCM ****************/ 286 287 static void print_hwparams(struct snd_pcm_substream *substream, 288 struct snd_pcm_hw_params *p) 289 { 290 char name[16]; 291 snd_pcm_debug_name(substream, name, sizeof(name)); 292 snd_printd("%s HWPARAMS\n", name); 293 snd_printd(" samplerate %d Hz\n", params_rate(p)); 294 snd_printd(" channels %d\n", params_channels(p)); 295 snd_printd(" format %d\n", params_format(p)); 296 snd_printd(" subformat %d\n", params_subformat(p)); 297 snd_printd(" buffer %d B\n", params_buffer_bytes(p)); 298 snd_printd(" period %d B\n", params_period_bytes(p)); 299 snd_printd(" access %d\n", params_access(p)); 300 snd_printd(" period_size %d\n", params_period_size(p)); 301 snd_printd(" periods %d\n", params_periods(p)); 302 snd_printd(" buffer_size %d\n", params_buffer_size(p)); 303 snd_printd(" %d B/s\n", params_rate(p) * 304 params_channels(p) * 305 snd_pcm_format_width(params_format(p)) / 8); 306 307 } 308 309 static snd_pcm_format_t hpi_to_alsa_formats[] = { 310 -1, /* INVALID */ 311 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */ 312 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */ 313 -1, /* HPI_FORMAT_MPEG_L1 3 */ 314 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */ 315 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */ 316 -1, /* HPI_FORMAT_DOLBY_AC2 6 */ 317 -1, /* HPI_FORMAT_DOLBY_AC3 7 */ 318 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */ 319 -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */ 320 -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */ 321 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */ 322 -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */ 323 -1, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */ 324 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */ 325 #if 1 326 /* ALSA can't handle 3 byte sample size together with power-of-2 327 * constraint on buffer_bytes, so disable this format 328 */ 329 -1 330 #else 331 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */ 332 #endif 333 }; 334 335 336 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format, 337 u16 *hpi_format) 338 { 339 u16 format; 340 341 for (format = HPI_FORMAT_PCM8_UNSIGNED; 342 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 343 if (hpi_to_alsa_formats[format] == alsa_format) { 344 *hpi_format = format; 345 return 0; 346 } 347 } 348 349 snd_printd(KERN_WARNING "failed match for alsa format %d\n", 350 alsa_format); 351 *hpi_format = 0; 352 return -EINVAL; 353 } 354 355 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi, 356 struct snd_pcm_hardware *pcmhw) 357 { 358 u16 err; 359 u32 h_control; 360 u32 sample_rate; 361 int idx; 362 unsigned int rate_min = 200000; 363 unsigned int rate_max = 0; 364 unsigned int rates = 0; 365 366 if (asihpi->support_mrx) { 367 rates |= SNDRV_PCM_RATE_CONTINUOUS; 368 rates |= SNDRV_PCM_RATE_8000_96000; 369 rate_min = 8000; 370 rate_max = 100000; 371 } else { 372 /* on cards without SRC, 373 valid rates are determined by sampleclock */ 374 err = hpi_mixer_get_control(asihpi->h_mixer, 375 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 376 HPI_CONTROL_SAMPLECLOCK, &h_control); 377 if (err) { 378 snd_printk(KERN_ERR 379 "No local sampleclock, err %d\n", err); 380 } 381 382 for (idx = -1; idx < 100; idx++) { 383 if (idx == -1) { 384 if (hpi_sample_clock_get_sample_rate(h_control, 385 &sample_rate)) 386 continue; 387 } else if (hpi_sample_clock_query_local_rate(h_control, 388 idx, &sample_rate)) { 389 break; 390 } 391 392 rate_min = min(rate_min, sample_rate); 393 rate_max = max(rate_max, sample_rate); 394 395 switch (sample_rate) { 396 case 5512: 397 rates |= SNDRV_PCM_RATE_5512; 398 break; 399 case 8000: 400 rates |= SNDRV_PCM_RATE_8000; 401 break; 402 case 11025: 403 rates |= SNDRV_PCM_RATE_11025; 404 break; 405 case 16000: 406 rates |= SNDRV_PCM_RATE_16000; 407 break; 408 case 22050: 409 rates |= SNDRV_PCM_RATE_22050; 410 break; 411 case 32000: 412 rates |= SNDRV_PCM_RATE_32000; 413 break; 414 case 44100: 415 rates |= SNDRV_PCM_RATE_44100; 416 break; 417 case 48000: 418 rates |= SNDRV_PCM_RATE_48000; 419 break; 420 case 64000: 421 rates |= SNDRV_PCM_RATE_64000; 422 break; 423 case 88200: 424 rates |= SNDRV_PCM_RATE_88200; 425 break; 426 case 96000: 427 rates |= SNDRV_PCM_RATE_96000; 428 break; 429 case 176400: 430 rates |= SNDRV_PCM_RATE_176400; 431 break; 432 case 192000: 433 rates |= SNDRV_PCM_RATE_192000; 434 break; 435 default: /* some other rate */ 436 rates |= SNDRV_PCM_RATE_KNOT; 437 } 438 } 439 } 440 441 pcmhw->rates = rates; 442 pcmhw->rate_min = rate_min; 443 pcmhw->rate_max = rate_max; 444 } 445 446 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream, 447 struct snd_pcm_hw_params *params) 448 { 449 struct snd_pcm_runtime *runtime = substream->runtime; 450 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 451 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 452 int err; 453 u16 format; 454 int width; 455 unsigned int bytes_per_sec; 456 457 print_hwparams(substream, params); 458 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); 459 if (err < 0) 460 return err; 461 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format); 462 if (err) 463 return err; 464 465 hpi_handle_error(hpi_format_create(&dpcm->format, 466 params_channels(params), 467 format, params_rate(params), 0, 0)); 468 469 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { 470 if (hpi_instream_reset(dpcm->h_stream) != 0) 471 return -EINVAL; 472 473 if (hpi_instream_set_format( 474 dpcm->h_stream, &dpcm->format) != 0) 475 return -EINVAL; 476 } 477 478 dpcm->hpi_buffer_attached = 0; 479 if (card->can_dma) { 480 err = hpi_stream_host_buffer_attach(dpcm->h_stream, 481 params_buffer_bytes(params), runtime->dma_addr); 482 if (err == 0) { 483 snd_printdd( 484 "stream_host_buffer_attach succeeded %u %lu\n", 485 params_buffer_bytes(params), 486 (unsigned long)runtime->dma_addr); 487 } else { 488 snd_printd("stream_host_buffer_attach error %d\n", 489 err); 490 return -ENOMEM; 491 } 492 493 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL, 494 &dpcm->hpi_buffer_attached, 495 NULL, NULL, NULL); 496 497 snd_printdd("stream_host_buffer_attach status 0x%x\n", 498 dpcm->hpi_buffer_attached); 499 500 } 501 bytes_per_sec = params_rate(params) * params_channels(params); 502 width = snd_pcm_format_width(params_format(params)); 503 bytes_per_sec *= width; 504 bytes_per_sec /= 8; 505 if (width < 0 || bytes_per_sec == 0) 506 return -EINVAL; 507 508 dpcm->bytes_per_sec = bytes_per_sec; 509 dpcm->buffer_bytes = params_buffer_bytes(params); 510 dpcm->period_bytes = params_period_bytes(params); 511 512 return 0; 513 } 514 515 static int 516 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream) 517 { 518 struct snd_pcm_runtime *runtime = substream->runtime; 519 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 520 if (dpcm->hpi_buffer_attached) 521 hpi_stream_host_buffer_detach(dpcm->h_stream); 522 523 snd_pcm_lib_free_pages(substream); 524 return 0; 525 } 526 527 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime) 528 { 529 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 530 kfree(dpcm); 531 } 532 533 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream * 534 substream) 535 { 536 struct snd_pcm_runtime *runtime = substream->runtime; 537 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 538 int expiry; 539 540 expiry = HZ / 200; 541 /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */ 542 expiry = max(expiry, 1); /* don't let it be zero! */ 543 dpcm->timer.expires = jiffies + expiry; 544 dpcm->respawn_timer = 1; 545 add_timer(&dpcm->timer); 546 } 547 548 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream) 549 { 550 struct snd_pcm_runtime *runtime = substream->runtime; 551 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 552 553 dpcm->respawn_timer = 0; 554 del_timer(&dpcm->timer); 555 } 556 557 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, 558 int cmd) 559 { 560 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data; 561 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 562 struct snd_pcm_substream *s; 563 u16 e; 564 char name[16]; 565 566 snd_pcm_debug_name(substream, name, sizeof(name)); 567 snd_printdd("%s trigger\n", name); 568 569 switch (cmd) { 570 case SNDRV_PCM_TRIGGER_START: 571 snd_pcm_group_for_each_entry(s, substream) { 572 struct snd_pcm_runtime *runtime = s->runtime; 573 struct snd_card_asihpi_pcm *ds = runtime->private_data; 574 575 if (snd_pcm_substream_chip(s) != card) 576 continue; 577 578 /* don't link Cap and Play */ 579 if (substream->stream != s->stream) 580 continue; 581 582 ds->drained_count = 0; 583 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { 584 /* How do I know how much valid data is present 585 * in buffer? Must be at least one period! 586 * Guessing 2 periods, but if 587 * buffer is bigger it may contain even more 588 * data?? 589 */ 590 unsigned int preload = ds->period_bytes * 1; 591 snd_printddd("%d preload x%x\n", s->number, preload); 592 hpi_handle_error(hpi_outstream_write_buf( 593 ds->h_stream, 594 &runtime->dma_area[0], 595 preload, 596 &ds->format)); 597 ds->pcm_buf_host_rw_ofs = preload; 598 } 599 600 if (card->support_grouping) { 601 snd_printdd("%d group\n", s->number); 602 e = hpi_stream_group_add( 603 dpcm->h_stream, 604 ds->h_stream); 605 if (!e) { 606 snd_pcm_trigger_done(s, substream); 607 } else { 608 hpi_handle_error(e); 609 break; 610 } 611 } else 612 break; 613 } 614 snd_printdd("start\n"); 615 /* start the master stream */ 616 snd_card_asihpi_pcm_timer_start(substream); 617 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) || 618 !card->can_dma) 619 hpi_handle_error(hpi_stream_start(dpcm->h_stream)); 620 break; 621 622 case SNDRV_PCM_TRIGGER_STOP: 623 snd_card_asihpi_pcm_timer_stop(substream); 624 snd_pcm_group_for_each_entry(s, substream) { 625 if (snd_pcm_substream_chip(s) != card) 626 continue; 627 /* don't link Cap and Play */ 628 if (substream->stream != s->stream) 629 continue; 630 631 /*? workaround linked streams don't 632 transition to SETUP 20070706*/ 633 s->runtime->status->state = SNDRV_PCM_STATE_SETUP; 634 635 if (card->support_grouping) { 636 snd_printdd("%d group\n", s->number); 637 snd_pcm_trigger_done(s, substream); 638 } else 639 break; 640 } 641 snd_printdd("stop\n"); 642 643 /* _prepare and _hwparams reset the stream */ 644 hpi_handle_error(hpi_stream_stop(dpcm->h_stream)); 645 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 646 hpi_handle_error( 647 hpi_outstream_reset(dpcm->h_stream)); 648 649 if (card->support_grouping) 650 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream)); 651 break; 652 653 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 654 snd_printdd("pause release\n"); 655 hpi_handle_error(hpi_stream_start(dpcm->h_stream)); 656 snd_card_asihpi_pcm_timer_start(substream); 657 break; 658 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 659 snd_printdd("pause\n"); 660 snd_card_asihpi_pcm_timer_stop(substream); 661 hpi_handle_error(hpi_stream_stop(dpcm->h_stream)); 662 break; 663 default: 664 snd_printd(KERN_ERR "\tINVALID\n"); 665 return -EINVAL; 666 } 667 668 return 0; 669 } 670 671 /*algorithm outline 672 Without linking degenerates to getting single stream pos etc 673 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed 674 */ 675 /* 676 pcm_buf_dma_ofs=get_buf_pos(s); 677 for_each_linked_stream(s) { 678 pcm_buf_dma_ofs=get_buf_pos(s); 679 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes) 680 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos) 681 } 682 timer.expires = jiffies + predict_next_period_ready(min_buf_pos); 683 for_each_linked_stream(s) { 684 s->pcm_buf_dma_ofs = min_buf_pos; 685 if (new_data > period_bytes) { 686 if (mmap) { 687 irq_pos = (irq_pos + period_bytes) % buffer_bytes; 688 if (playback) { 689 write(period_bytes); 690 } else { 691 read(period_bytes); 692 } 693 } 694 snd_pcm_period_elapsed(s); 695 } 696 } 697 */ 698 699 /** Minimum of 2 modulo values. Works correctly when the difference between 700 * the values is less than half the modulus 701 */ 702 static inline unsigned int modulo_min(unsigned int a, unsigned int b, 703 unsigned long int modulus) 704 { 705 unsigned int result; 706 if (((a-b) % modulus) < (modulus/2)) 707 result = b; 708 else 709 result = a; 710 711 return result; 712 } 713 714 /** Timer function, equivalent to interrupt service routine for cards 715 */ 716 static void snd_card_asihpi_timer_function(unsigned long data) 717 { 718 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data; 719 struct snd_pcm_substream *substream = dpcm->substream; 720 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 721 struct snd_pcm_runtime *runtime; 722 struct snd_pcm_substream *s; 723 unsigned int newdata = 0; 724 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0; 725 unsigned int remdata, xfercount, next_jiffies; 726 int first = 1; 727 int loops = 0; 728 u16 state; 729 u32 buffer_size, bytes_avail, samples_played, on_card_bytes; 730 char name[16]; 731 732 snd_pcm_debug_name(substream, name, sizeof(name)); 733 734 snd_printdd("%s snd_card_asihpi_timer_function\n", name); 735 736 /* find minimum newdata and buffer pos in group */ 737 snd_pcm_group_for_each_entry(s, substream) { 738 struct snd_card_asihpi_pcm *ds = s->runtime->private_data; 739 runtime = s->runtime; 740 741 if (snd_pcm_substream_chip(s) != card) 742 continue; 743 744 /* don't link Cap and Play */ 745 if (substream->stream != s->stream) 746 continue; 747 748 hpi_handle_error(hpi_stream_get_info_ex( 749 ds->h_stream, &state, 750 &buffer_size, &bytes_avail, 751 &samples_played, &on_card_bytes)); 752 753 /* number of bytes in on-card buffer */ 754 runtime->delay = on_card_bytes; 755 756 if (!card->can_dma) 757 on_card_bytes = bytes_avail; 758 759 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { 760 pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail; 761 if (state == HPI_STATE_STOPPED) { 762 if (bytes_avail == 0) { 763 hpi_handle_error(hpi_stream_start(ds->h_stream)); 764 snd_printdd("P%d start\n", s->number); 765 ds->drained_count = 0; 766 } 767 } else if (state == HPI_STATE_DRAINED) { 768 snd_printd(KERN_WARNING "P%d drained\n", 769 s->number); 770 ds->drained_count++; 771 if (ds->drained_count > 20) { 772 unsigned long flags; 773 snd_pcm_stream_lock_irqsave(s, flags); 774 snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); 775 snd_pcm_stream_unlock_irqrestore(s, flags); 776 continue; 777 } 778 } else { 779 ds->drained_count = 0; 780 } 781 } else 782 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs; 783 784 if (first) { 785 /* can't statically init min when wrap is involved */ 786 min_buf_pos = pcm_buf_dma_ofs; 787 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes; 788 first = 0; 789 } else { 790 min_buf_pos = 791 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L); 792 newdata = min( 793 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes, 794 newdata); 795 } 796 797 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n", 798 (unsigned long)frames_to_bytes(runtime, 799 runtime->status->hw_ptr), 800 (unsigned long)frames_to_bytes(runtime, 801 runtime->control->appl_ptr)); 802 803 snd_printdd("%d S=%d, " 804 "rw=0x%04X, dma=0x%04X, left=0x%04X, " 805 "aux=0x%04X space=0x%04X\n", 806 s->number, state, 807 ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, 808 (int)bytes_avail, 809 (int)on_card_bytes, buffer_size-bytes_avail); 810 loops++; 811 } 812 pcm_buf_dma_ofs = min_buf_pos; 813 814 remdata = newdata % dpcm->period_bytes; 815 xfercount = newdata - remdata; /* a multiple of period_bytes */ 816 /* come back when on_card_bytes has decreased enough to allow 817 write to happen, or when data has been consumed to make another 818 period 819 */ 820 if (xfercount && (on_card_bytes > dpcm->period_bytes)) 821 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec); 822 else 823 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec); 824 825 next_jiffies = max(next_jiffies, 1U); 826 dpcm->timer.expires = jiffies + next_jiffies; 827 snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n", 828 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount); 829 830 snd_pcm_group_for_each_entry(s, substream) { 831 struct snd_card_asihpi_pcm *ds = s->runtime->private_data; 832 833 /* don't link Cap and Play */ 834 if (substream->stream != s->stream) 835 continue; 836 837 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs; 838 839 if (xfercount && 840 /* Limit use of on card fifo for playback */ 841 ((on_card_bytes <= ds->period_bytes) || 842 (s->stream == SNDRV_PCM_STREAM_CAPTURE))) 843 844 { 845 846 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes; 847 unsigned int xfer1, xfer2; 848 char *pd = &s->runtime->dma_area[buf_ofs]; 849 850 if (card->can_dma) { /* buffer wrap is handled at lower level */ 851 xfer1 = xfercount; 852 xfer2 = 0; 853 } else { 854 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs); 855 xfer2 = xfercount - xfer1; 856 } 857 858 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { 859 snd_printddd("P%d write1 0x%04X 0x%04X\n", 860 s->number, xfer1, buf_ofs); 861 hpi_handle_error( 862 hpi_outstream_write_buf( 863 ds->h_stream, pd, xfer1, 864 &ds->format)); 865 866 if (xfer2) { 867 pd = s->runtime->dma_area; 868 869 snd_printddd("P%d write2 0x%04X 0x%04X\n", 870 s->number, 871 xfercount - xfer1, buf_ofs); 872 hpi_handle_error( 873 hpi_outstream_write_buf( 874 ds->h_stream, pd, 875 xfercount - xfer1, 876 &ds->format)); 877 } 878 } else { 879 snd_printddd("C%d read1 0x%04x\n", 880 s->number, xfer1); 881 hpi_handle_error( 882 hpi_instream_read_buf( 883 ds->h_stream, 884 pd, xfer1)); 885 if (xfer2) { 886 pd = s->runtime->dma_area; 887 snd_printddd("C%d read2 0x%04x\n", 888 s->number, xfer2); 889 hpi_handle_error( 890 hpi_instream_read_buf( 891 ds->h_stream, 892 pd, xfer2)); 893 } 894 } 895 ds->pcm_buf_host_rw_ofs += xfercount; 896 ds->pcm_buf_elapsed_dma_ofs += xfercount; 897 snd_pcm_period_elapsed(s); 898 } 899 } 900 901 if (dpcm->respawn_timer) 902 add_timer(&dpcm->timer); 903 } 904 905 /***************************** PLAYBACK OPS ****************/ 906 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream, 907 unsigned int cmd, void *arg) 908 { 909 char name[16]; 910 snd_pcm_debug_name(substream, name, sizeof(name)); 911 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd); 912 return snd_pcm_lib_ioctl(substream, cmd, arg); 913 } 914 915 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream * 916 substream) 917 { 918 struct snd_pcm_runtime *runtime = substream->runtime; 919 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 920 921 snd_printdd("P%d prepare\n", substream->number); 922 923 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream)); 924 dpcm->pcm_buf_host_rw_ofs = 0; 925 dpcm->pcm_buf_dma_ofs = 0; 926 dpcm->pcm_buf_elapsed_dma_ofs = 0; 927 return 0; 928 } 929 930 static snd_pcm_uframes_t 931 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream) 932 { 933 struct snd_pcm_runtime *runtime = substream->runtime; 934 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 935 snd_pcm_uframes_t ptr; 936 char name[16]; 937 snd_pcm_debug_name(substream, name, sizeof(name)); 938 939 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); 940 snd_printddd("%s pointer = 0x%04lx\n", name, (unsigned long)ptr); 941 return ptr; 942 } 943 944 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi, 945 u32 h_stream) 946 { 947 struct hpi_format hpi_format; 948 u16 format; 949 u16 err; 950 u32 h_control; 951 u32 sample_rate = 48000; 952 u64 formats = 0; 953 954 /* on cards without SRC, must query at valid rate, 955 * maybe set by external sync 956 */ 957 err = hpi_mixer_get_control(asihpi->h_mixer, 958 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 959 HPI_CONTROL_SAMPLECLOCK, &h_control); 960 961 if (!err) 962 err = hpi_sample_clock_get_sample_rate(h_control, 963 &sample_rate); 964 965 for (format = HPI_FORMAT_PCM8_UNSIGNED; 966 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 967 err = hpi_format_create(&hpi_format, asihpi->out_max_chans, 968 format, sample_rate, 128000, 0); 969 if (!err) 970 err = hpi_outstream_query_format(h_stream, &hpi_format); 971 if (!err && (hpi_to_alsa_formats[format] != -1)) 972 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]); 973 } 974 return formats; 975 } 976 977 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) 978 { 979 struct snd_pcm_runtime *runtime = substream->runtime; 980 struct snd_card_asihpi_pcm *dpcm; 981 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 982 struct snd_pcm_hardware snd_card_asihpi_playback; 983 int err; 984 985 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); 986 if (dpcm == NULL) 987 return -ENOMEM; 988 989 err = hpi_outstream_open(card->hpi->adapter->index, 990 substream->number, &dpcm->h_stream); 991 hpi_handle_error(err); 992 if (err) 993 kfree(dpcm); 994 if (err == HPI_ERROR_OBJ_ALREADY_OPEN) 995 return -EBUSY; 996 if (err) 997 return -EIO; 998 999 /*? also check ASI5000 samplerate source 1000 If external, only support external rate. 1001 If internal and other stream playing, can't switch 1002 */ 1003 1004 init_timer(&dpcm->timer); 1005 dpcm->timer.data = (unsigned long) dpcm; 1006 dpcm->timer.function = snd_card_asihpi_timer_function; 1007 dpcm->substream = substream; 1008 runtime->private_data = dpcm; 1009 runtime->private_free = snd_card_asihpi_runtime_free; 1010 1011 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback)); 1012 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX; 1013 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN; 1014 /*?snd_card_asihpi_playback.period_bytes_min = 1015 card->out_max_chans * 4096; */ 1016 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; 1017 snd_card_asihpi_playback.periods_min = PERIODS_MIN; 1018 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; 1019 /* snd_card_asihpi_playback.fifo_size = 0; */ 1020 snd_card_asihpi_playback.channels_max = card->out_max_chans; 1021 snd_card_asihpi_playback.channels_min = card->out_min_chans; 1022 snd_card_asihpi_playback.formats = 1023 snd_card_asihpi_playback_formats(card, dpcm->h_stream); 1024 1025 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback); 1026 1027 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED | 1028 SNDRV_PCM_INFO_DOUBLE | 1029 SNDRV_PCM_INFO_BATCH | 1030 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1031 SNDRV_PCM_INFO_PAUSE | 1032 SNDRV_PCM_INFO_MMAP | 1033 SNDRV_PCM_INFO_MMAP_VALID; 1034 1035 if (card->support_grouping) { 1036 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START; 1037 snd_pcm_set_sync(substream); 1038 } 1039 1040 /* struct is copied, so can create initializer dynamically */ 1041 runtime->hw = snd_card_asihpi_playback; 1042 1043 if (card->can_dma) 1044 err = snd_pcm_hw_constraint_pow2(runtime, 0, 1045 SNDRV_PCM_HW_PARAM_BUFFER_BYTES); 1046 if (err < 0) 1047 return err; 1048 1049 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1050 card->update_interval_frames); 1051 1052 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1053 card->update_interval_frames * 2, UINT_MAX); 1054 1055 snd_printdd("playback open\n"); 1056 1057 return 0; 1058 } 1059 1060 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream) 1061 { 1062 struct snd_pcm_runtime *runtime = substream->runtime; 1063 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1064 1065 hpi_handle_error(hpi_outstream_close(dpcm->h_stream)); 1066 snd_printdd("playback close\n"); 1067 1068 return 0; 1069 } 1070 1071 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = { 1072 .open = snd_card_asihpi_playback_open, 1073 .close = snd_card_asihpi_playback_close, 1074 .ioctl = snd_card_asihpi_playback_ioctl, 1075 .hw_params = snd_card_asihpi_pcm_hw_params, 1076 .hw_free = snd_card_asihpi_hw_free, 1077 .prepare = snd_card_asihpi_playback_prepare, 1078 .trigger = snd_card_asihpi_trigger, 1079 .pointer = snd_card_asihpi_playback_pointer, 1080 }; 1081 1082 /***************************** CAPTURE OPS ****************/ 1083 static snd_pcm_uframes_t 1084 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream) 1085 { 1086 struct snd_pcm_runtime *runtime = substream->runtime; 1087 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1088 1089 snd_printddd("capture pointer %d=%d\n", 1090 substream->number, dpcm->pcm_buf_dma_ofs); 1091 /* NOTE Unlike playback can't use actual samples_played 1092 for the capture position, because those samples aren't yet in 1093 the local buffer available for reading. 1094 */ 1095 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); 1096 } 1097 1098 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream, 1099 unsigned int cmd, void *arg) 1100 { 1101 return snd_pcm_lib_ioctl(substream, cmd, arg); 1102 } 1103 1104 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream) 1105 { 1106 struct snd_pcm_runtime *runtime = substream->runtime; 1107 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1108 1109 hpi_handle_error(hpi_instream_reset(dpcm->h_stream)); 1110 dpcm->pcm_buf_host_rw_ofs = 0; 1111 dpcm->pcm_buf_dma_ofs = 0; 1112 dpcm->pcm_buf_elapsed_dma_ofs = 0; 1113 1114 snd_printdd("Capture Prepare %d\n", substream->number); 1115 return 0; 1116 } 1117 1118 1119 1120 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi, 1121 u32 h_stream) 1122 { 1123 struct hpi_format hpi_format; 1124 u16 format; 1125 u16 err; 1126 u32 h_control; 1127 u32 sample_rate = 48000; 1128 u64 formats = 0; 1129 1130 /* on cards without SRC, must query at valid rate, 1131 maybe set by external sync */ 1132 err = hpi_mixer_get_control(asihpi->h_mixer, 1133 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 1134 HPI_CONTROL_SAMPLECLOCK, &h_control); 1135 1136 if (!err) 1137 err = hpi_sample_clock_get_sample_rate(h_control, 1138 &sample_rate); 1139 1140 for (format = HPI_FORMAT_PCM8_UNSIGNED; 1141 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 1142 1143 err = hpi_format_create(&hpi_format, asihpi->in_max_chans, 1144 format, sample_rate, 128000, 0); 1145 if (!err) 1146 err = hpi_instream_query_format(h_stream, &hpi_format); 1147 if (!err && (hpi_to_alsa_formats[format] != -1)) 1148 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]); 1149 } 1150 return formats; 1151 } 1152 1153 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream) 1154 { 1155 struct snd_pcm_runtime *runtime = substream->runtime; 1156 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 1157 struct snd_card_asihpi_pcm *dpcm; 1158 struct snd_pcm_hardware snd_card_asihpi_capture; 1159 int err; 1160 1161 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); 1162 if (dpcm == NULL) 1163 return -ENOMEM; 1164 1165 snd_printdd("capture open adapter %d stream %d\n", 1166 card->hpi->adapter->index, substream->number); 1167 1168 err = hpi_handle_error( 1169 hpi_instream_open(card->hpi->adapter->index, 1170 substream->number, &dpcm->h_stream)); 1171 if (err) 1172 kfree(dpcm); 1173 if (err == HPI_ERROR_OBJ_ALREADY_OPEN) 1174 return -EBUSY; 1175 if (err) 1176 return -EIO; 1177 1178 init_timer(&dpcm->timer); 1179 dpcm->timer.data = (unsigned long) dpcm; 1180 dpcm->timer.function = snd_card_asihpi_timer_function; 1181 dpcm->substream = substream; 1182 runtime->private_data = dpcm; 1183 runtime->private_free = snd_card_asihpi_runtime_free; 1184 1185 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture)); 1186 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX; 1187 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN; 1188 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; 1189 snd_card_asihpi_capture.periods_min = PERIODS_MIN; 1190 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; 1191 /* snd_card_asihpi_capture.fifo_size = 0; */ 1192 snd_card_asihpi_capture.channels_max = card->in_max_chans; 1193 snd_card_asihpi_capture.channels_min = card->in_min_chans; 1194 snd_card_asihpi_capture.formats = 1195 snd_card_asihpi_capture_formats(card, dpcm->h_stream); 1196 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture); 1197 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED | 1198 SNDRV_PCM_INFO_MMAP | 1199 SNDRV_PCM_INFO_MMAP_VALID; 1200 1201 if (card->support_grouping) 1202 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START; 1203 1204 runtime->hw = snd_card_asihpi_capture; 1205 1206 if (card->can_dma) 1207 err = snd_pcm_hw_constraint_pow2(runtime, 0, 1208 SNDRV_PCM_HW_PARAM_BUFFER_BYTES); 1209 if (err < 0) 1210 return err; 1211 1212 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1213 card->update_interval_frames); 1214 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1215 card->update_interval_frames * 2, UINT_MAX); 1216 1217 snd_pcm_set_sync(substream); 1218 1219 return 0; 1220 } 1221 1222 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream) 1223 { 1224 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data; 1225 1226 hpi_handle_error(hpi_instream_close(dpcm->h_stream)); 1227 return 0; 1228 } 1229 1230 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { 1231 .open = snd_card_asihpi_capture_open, 1232 .close = snd_card_asihpi_capture_close, 1233 .ioctl = snd_card_asihpi_capture_ioctl, 1234 .hw_params = snd_card_asihpi_pcm_hw_params, 1235 .hw_free = snd_card_asihpi_hw_free, 1236 .prepare = snd_card_asihpi_capture_prepare, 1237 .trigger = snd_card_asihpi_trigger, 1238 .pointer = snd_card_asihpi_capture_pointer, 1239 }; 1240 1241 static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device) 1242 { 1243 struct snd_pcm *pcm; 1244 int err; 1245 u16 num_instreams, num_outstreams, x16; 1246 u32 x32; 1247 1248 err = hpi_adapter_get_info(asihpi->hpi->adapter->index, 1249 &num_outstreams, &num_instreams, 1250 &x16, &x32, &x16); 1251 1252 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device, 1253 num_outstreams, num_instreams, &pcm); 1254 if (err < 0) 1255 return err; 1256 /* pointer to ops struct is stored, dont change ops afterwards! */ 1257 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1258 &snd_card_asihpi_playback_mmap_ops); 1259 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1260 &snd_card_asihpi_capture_mmap_ops); 1261 1262 pcm->private_data = asihpi; 1263 pcm->info_flags = 0; 1264 strcpy(pcm->name, "Asihpi PCM"); 1265 1266 /*? do we want to emulate MMAP for non-BBM cards? 1267 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */ 1268 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1269 snd_dma_pci_data(asihpi->pci), 1270 64*1024, BUFFER_BYTES_MAX); 1271 1272 return 0; 1273 } 1274 1275 /***************************** MIXER CONTROLS ****************/ 1276 struct hpi_control { 1277 u32 h_control; 1278 u16 control_type; 1279 u16 src_node_type; 1280 u16 src_node_index; 1281 u16 dst_node_type; 1282 u16 dst_node_index; 1283 u16 band; 1284 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* copied to snd_ctl_elem_id.name[44]; */ 1285 }; 1286 1287 static const char * const asihpi_tuner_band_names[] = { 1288 "invalid", 1289 "AM", 1290 "FM mono", 1291 "TV NTSC-M", 1292 "FM stereo", 1293 "AUX", 1294 "TV PAL BG", 1295 "TV PAL I", 1296 "TV PAL DK", 1297 "TV SECAM", 1298 }; 1299 1300 compile_time_assert( 1301 (ARRAY_SIZE(asihpi_tuner_band_names) == 1302 (HPI_TUNER_BAND_LAST+1)), 1303 assert_tuner_band_names_size); 1304 1305 static const char * const asihpi_src_names[] = { 1306 "no source", 1307 "PCM", 1308 "Line", 1309 "Digital", 1310 "Tuner", 1311 "RF", 1312 "Clock", 1313 "Bitstream", 1314 "Mic", 1315 "Net", 1316 "Analog", 1317 "Adapter", 1318 "RTP", 1319 "Internal" 1320 }; 1321 1322 compile_time_assert( 1323 (ARRAY_SIZE(asihpi_src_names) == 1324 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)), 1325 assert_src_names_size); 1326 1327 static const char * const asihpi_dst_names[] = { 1328 "no destination", 1329 "PCM", 1330 "Line", 1331 "Digital", 1332 "RF", 1333 "Speaker", 1334 "Net", 1335 "Analog", 1336 "RTP", 1337 }; 1338 1339 compile_time_assert( 1340 (ARRAY_SIZE(asihpi_dst_names) == 1341 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)), 1342 assert_dst_names_size); 1343 1344 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl, 1345 struct snd_card_asihpi *asihpi) 1346 { 1347 int err; 1348 1349 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi)); 1350 if (err < 0) 1351 return err; 1352 else if (mixer_dump) 1353 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index); 1354 1355 return 0; 1356 } 1357 1358 /* Convert HPI control name and location into ALSA control name */ 1359 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control, 1360 struct hpi_control *hpi_ctl, 1361 char *name) 1362 { 1363 char *dir; 1364 memset(snd_control, 0, sizeof(*snd_control)); 1365 snd_control->name = hpi_ctl->name; 1366 snd_control->private_value = hpi_ctl->h_control; 1367 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1368 snd_control->index = 0; 1369 1370 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE) 1371 dir = ""; /* clock is neither capture nor playback */ 1372 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM) 1373 dir = "Capture "; /* On or towards a PCM capture destination*/ 1374 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && 1375 (!hpi_ctl->dst_node_type)) 1376 dir = "Capture "; /* On a source node that is not PCM playback */ 1377 else if (hpi_ctl->src_node_type && 1378 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && 1379 (hpi_ctl->dst_node_type)) 1380 dir = "Monitor Playback "; /* Between an input and an output */ 1381 else 1382 dir = "Playback "; /* PCM Playback source, or output node */ 1383 1384 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type) 1385 sprintf(hpi_ctl->name, "%s %d %s %d %s%s", 1386 asihpi_src_names[hpi_ctl->src_node_type], 1387 hpi_ctl->src_node_index, 1388 asihpi_dst_names[hpi_ctl->dst_node_type], 1389 hpi_ctl->dst_node_index, 1390 dir, name); 1391 else if (hpi_ctl->dst_node_type) { 1392 sprintf(hpi_ctl->name, "%s %d %s%s", 1393 asihpi_dst_names[hpi_ctl->dst_node_type], 1394 hpi_ctl->dst_node_index, 1395 dir, name); 1396 } else { 1397 sprintf(hpi_ctl->name, "%s %d %s%s", 1398 asihpi_src_names[hpi_ctl->src_node_type], 1399 hpi_ctl->src_node_index, 1400 dir, name); 1401 } 1402 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name, 1403 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */ 1404 } 1405 1406 /*------------------------------------------------------------ 1407 Volume controls 1408 ------------------------------------------------------------*/ 1409 #define VOL_STEP_mB 1 1410 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol, 1411 struct snd_ctl_elem_info *uinfo) 1412 { 1413 u32 h_control = kcontrol->private_value; 1414 u32 count; 1415 u16 err; 1416 /* native gains are in millibels */ 1417 short min_gain_mB; 1418 short max_gain_mB; 1419 short step_gain_mB; 1420 1421 err = hpi_volume_query_range(h_control, 1422 &min_gain_mB, &max_gain_mB, &step_gain_mB); 1423 if (err) { 1424 max_gain_mB = 0; 1425 min_gain_mB = -10000; 1426 step_gain_mB = VOL_STEP_mB; 1427 } 1428 1429 err = hpi_meter_query_channels(h_control, &count); 1430 if (err) 1431 count = HPI_MAX_CHANNELS; 1432 1433 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1434 uinfo->count = count; 1435 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB; 1436 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB; 1437 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB; 1438 return 0; 1439 } 1440 1441 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol, 1442 struct snd_ctl_elem_value *ucontrol) 1443 { 1444 u32 h_control = kcontrol->private_value; 1445 short an_gain_mB[HPI_MAX_CHANNELS]; 1446 1447 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB)); 1448 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB; 1449 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB; 1450 1451 return 0; 1452 } 1453 1454 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol, 1455 struct snd_ctl_elem_value *ucontrol) 1456 { 1457 int change; 1458 u32 h_control = kcontrol->private_value; 1459 short an_gain_mB[HPI_MAX_CHANNELS]; 1460 1461 an_gain_mB[0] = 1462 (ucontrol->value.integer.value[0]) * VOL_STEP_mB; 1463 an_gain_mB[1] = 1464 (ucontrol->value.integer.value[1]) * VOL_STEP_mB; 1465 /* change = asihpi->mixer_volume[addr][0] != left || 1466 asihpi->mixer_volume[addr][1] != right; 1467 */ 1468 change = 1; 1469 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB)); 1470 return change; 1471 } 1472 1473 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0); 1474 1475 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info 1476 1477 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol, 1478 struct snd_ctl_elem_value *ucontrol) 1479 { 1480 u32 h_control = kcontrol->private_value; 1481 u32 mute; 1482 1483 hpi_handle_error(hpi_volume_get_mute(h_control, &mute)); 1484 ucontrol->value.integer.value[0] = mute ? 0 : 1; 1485 1486 return 0; 1487 } 1488 1489 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol, 1490 struct snd_ctl_elem_value *ucontrol) 1491 { 1492 u32 h_control = kcontrol->private_value; 1493 int change = 1; 1494 /* HPI currently only supports all or none muting of multichannel volume 1495 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted 1496 */ 1497 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS; 1498 hpi_handle_error(hpi_volume_set_mute(h_control, mute)); 1499 return change; 1500 } 1501 1502 static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi, 1503 struct hpi_control *hpi_ctl) 1504 { 1505 struct snd_card *card = asihpi->card; 1506 struct snd_kcontrol_new snd_control; 1507 int err; 1508 u32 mute; 1509 1510 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume"); 1511 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1512 SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1513 snd_control.info = snd_asihpi_volume_info; 1514 snd_control.get = snd_asihpi_volume_get; 1515 snd_control.put = snd_asihpi_volume_put; 1516 snd_control.tlv.p = db_scale_100; 1517 1518 err = ctl_add(card, &snd_control, asihpi); 1519 if (err) 1520 return err; 1521 1522 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) { 1523 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch"); 1524 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1525 snd_control.info = snd_asihpi_volume_mute_info; 1526 snd_control.get = snd_asihpi_volume_mute_get; 1527 snd_control.put = snd_asihpi_volume_mute_put; 1528 err = ctl_add(card, &snd_control, asihpi); 1529 } 1530 return err; 1531 } 1532 1533 /*------------------------------------------------------------ 1534 Level controls 1535 ------------------------------------------------------------*/ 1536 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol, 1537 struct snd_ctl_elem_info *uinfo) 1538 { 1539 u32 h_control = kcontrol->private_value; 1540 u16 err; 1541 short min_gain_mB; 1542 short max_gain_mB; 1543 short step_gain_mB; 1544 1545 err = 1546 hpi_level_query_range(h_control, &min_gain_mB, 1547 &max_gain_mB, &step_gain_mB); 1548 if (err) { 1549 max_gain_mB = 2400; 1550 min_gain_mB = -1000; 1551 step_gain_mB = 100; 1552 } 1553 1554 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1555 uinfo->count = 2; 1556 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB; 1557 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB; 1558 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB; 1559 return 0; 1560 } 1561 1562 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol, 1563 struct snd_ctl_elem_value *ucontrol) 1564 { 1565 u32 h_control = kcontrol->private_value; 1566 short an_gain_mB[HPI_MAX_CHANNELS]; 1567 1568 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB)); 1569 ucontrol->value.integer.value[0] = 1570 an_gain_mB[0] / HPI_UNITS_PER_dB; 1571 ucontrol->value.integer.value[1] = 1572 an_gain_mB[1] / HPI_UNITS_PER_dB; 1573 1574 return 0; 1575 } 1576 1577 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol, 1578 struct snd_ctl_elem_value *ucontrol) 1579 { 1580 int change; 1581 u32 h_control = kcontrol->private_value; 1582 short an_gain_mB[HPI_MAX_CHANNELS]; 1583 1584 an_gain_mB[0] = 1585 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; 1586 an_gain_mB[1] = 1587 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB; 1588 /* change = asihpi->mixer_level[addr][0] != left || 1589 asihpi->mixer_level[addr][1] != right; 1590 */ 1591 change = 1; 1592 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB)); 1593 return change; 1594 } 1595 1596 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0); 1597 1598 static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi, 1599 struct hpi_control *hpi_ctl) 1600 { 1601 struct snd_card *card = asihpi->card; 1602 struct snd_kcontrol_new snd_control; 1603 1604 /* can't use 'volume' cos some nodes have volume as well */ 1605 asihpi_ctl_init(&snd_control, hpi_ctl, "Level"); 1606 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1607 SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1608 snd_control.info = snd_asihpi_level_info; 1609 snd_control.get = snd_asihpi_level_get; 1610 snd_control.put = snd_asihpi_level_put; 1611 snd_control.tlv.p = db_scale_level; 1612 1613 return ctl_add(card, &snd_control, asihpi); 1614 } 1615 1616 /*------------------------------------------------------------ 1617 AESEBU controls 1618 ------------------------------------------------------------*/ 1619 1620 /* AESEBU format */ 1621 static const char * const asihpi_aesebu_format_names[] = { 1622 "N/A", "S/PDIF", "AES/EBU" }; 1623 1624 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol, 1625 struct snd_ctl_elem_info *uinfo) 1626 { 1627 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1628 uinfo->count = 1; 1629 uinfo->value.enumerated.items = 3; 1630 1631 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 1632 uinfo->value.enumerated.item = 1633 uinfo->value.enumerated.items - 1; 1634 1635 strcpy(uinfo->value.enumerated.name, 1636 asihpi_aesebu_format_names[uinfo->value.enumerated.item]); 1637 1638 return 0; 1639 } 1640 1641 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol, 1642 struct snd_ctl_elem_value *ucontrol, 1643 u16 (*func)(u32, u16 *)) 1644 { 1645 u32 h_control = kcontrol->private_value; 1646 u16 source, err; 1647 1648 err = func(h_control, &source); 1649 1650 /* default to N/A */ 1651 ucontrol->value.enumerated.item[0] = 0; 1652 /* return success but set the control to N/A */ 1653 if (err) 1654 return 0; 1655 if (source == HPI_AESEBU_FORMAT_SPDIF) 1656 ucontrol->value.enumerated.item[0] = 1; 1657 if (source == HPI_AESEBU_FORMAT_AESEBU) 1658 ucontrol->value.enumerated.item[0] = 2; 1659 1660 return 0; 1661 } 1662 1663 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol, 1664 struct snd_ctl_elem_value *ucontrol, 1665 u16 (*func)(u32, u16)) 1666 { 1667 u32 h_control = kcontrol->private_value; 1668 1669 /* default to S/PDIF */ 1670 u16 source = HPI_AESEBU_FORMAT_SPDIF; 1671 1672 if (ucontrol->value.enumerated.item[0] == 1) 1673 source = HPI_AESEBU_FORMAT_SPDIF; 1674 if (ucontrol->value.enumerated.item[0] == 2) 1675 source = HPI_AESEBU_FORMAT_AESEBU; 1676 1677 if (func(h_control, source) != 0) 1678 return -EINVAL; 1679 1680 return 1; 1681 } 1682 1683 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol, 1684 struct snd_ctl_elem_value *ucontrol) { 1685 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, 1686 hpi_aesebu_receiver_get_format); 1687 } 1688 1689 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol, 1690 struct snd_ctl_elem_value *ucontrol) { 1691 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, 1692 hpi_aesebu_receiver_set_format); 1693 } 1694 1695 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol, 1696 struct snd_ctl_elem_info *uinfo) 1697 { 1698 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1699 uinfo->count = 1; 1700 1701 uinfo->value.integer.min = 0; 1702 uinfo->value.integer.max = 0X1F; 1703 uinfo->value.integer.step = 1; 1704 1705 return 0; 1706 } 1707 1708 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol, 1709 struct snd_ctl_elem_value *ucontrol) { 1710 1711 u32 h_control = kcontrol->private_value; 1712 u16 status; 1713 1714 hpi_handle_error(hpi_aesebu_receiver_get_error_status( 1715 h_control, &status)); 1716 ucontrol->value.integer.value[0] = status; 1717 return 0; 1718 } 1719 1720 static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi, 1721 struct hpi_control *hpi_ctl) 1722 { 1723 struct snd_card *card = asihpi->card; 1724 struct snd_kcontrol_new snd_control; 1725 1726 asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); 1727 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1728 snd_control.info = snd_asihpi_aesebu_format_info; 1729 snd_control.get = snd_asihpi_aesebu_rx_format_get; 1730 snd_control.put = snd_asihpi_aesebu_rx_format_put; 1731 1732 1733 if (ctl_add(card, &snd_control, asihpi) < 0) 1734 return -EINVAL; 1735 1736 asihpi_ctl_init(&snd_control, hpi_ctl, "Status"); 1737 snd_control.access = 1738 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 1739 snd_control.info = snd_asihpi_aesebu_rxstatus_info; 1740 snd_control.get = snd_asihpi_aesebu_rxstatus_get; 1741 1742 return ctl_add(card, &snd_control, asihpi); 1743 } 1744 1745 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol, 1746 struct snd_ctl_elem_value *ucontrol) { 1747 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, 1748 hpi_aesebu_transmitter_get_format); 1749 } 1750 1751 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol, 1752 struct snd_ctl_elem_value *ucontrol) { 1753 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, 1754 hpi_aesebu_transmitter_set_format); 1755 } 1756 1757 1758 static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi, 1759 struct hpi_control *hpi_ctl) 1760 { 1761 struct snd_card *card = asihpi->card; 1762 struct snd_kcontrol_new snd_control; 1763 1764 asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); 1765 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1766 snd_control.info = snd_asihpi_aesebu_format_info; 1767 snd_control.get = snd_asihpi_aesebu_tx_format_get; 1768 snd_control.put = snd_asihpi_aesebu_tx_format_put; 1769 1770 return ctl_add(card, &snd_control, asihpi); 1771 } 1772 1773 /*------------------------------------------------------------ 1774 Tuner controls 1775 ------------------------------------------------------------*/ 1776 1777 /* Gain */ 1778 1779 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol, 1780 struct snd_ctl_elem_info *uinfo) 1781 { 1782 u32 h_control = kcontrol->private_value; 1783 u16 err; 1784 short idx; 1785 u16 gain_range[3]; 1786 1787 for (idx = 0; idx < 3; idx++) { 1788 err = hpi_tuner_query_gain(h_control, 1789 idx, &gain_range[idx]); 1790 if (err != 0) 1791 return err; 1792 } 1793 1794 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1795 uinfo->count = 1; 1796 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB; 1797 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB; 1798 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB; 1799 return 0; 1800 } 1801 1802 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol, 1803 struct snd_ctl_elem_value *ucontrol) 1804 { 1805 /* 1806 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1807 */ 1808 u32 h_control = kcontrol->private_value; 1809 short gain; 1810 1811 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain)); 1812 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB; 1813 1814 return 0; 1815 } 1816 1817 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol, 1818 struct snd_ctl_elem_value *ucontrol) 1819 { 1820 /* 1821 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1822 */ 1823 u32 h_control = kcontrol->private_value; 1824 short gain; 1825 1826 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; 1827 hpi_handle_error(hpi_tuner_set_gain(h_control, gain)); 1828 1829 return 1; 1830 } 1831 1832 /* Band */ 1833 1834 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol, 1835 u16 *band_list, u32 len) { 1836 u32 h_control = kcontrol->private_value; 1837 u16 err = 0; 1838 u32 i; 1839 1840 for (i = 0; i < len; i++) { 1841 err = hpi_tuner_query_band( 1842 h_control, i, &band_list[i]); 1843 if (err != 0) 1844 break; 1845 } 1846 1847 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX)) 1848 return -EIO; 1849 1850 return i; 1851 } 1852 1853 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol, 1854 struct snd_ctl_elem_info *uinfo) 1855 { 1856 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1857 int num_bands = 0; 1858 1859 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1860 HPI_TUNER_BAND_LAST); 1861 1862 if (num_bands < 0) 1863 return num_bands; 1864 1865 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1866 uinfo->count = 1; 1867 uinfo->value.enumerated.items = num_bands; 1868 1869 if (num_bands > 0) { 1870 if (uinfo->value.enumerated.item >= 1871 uinfo->value.enumerated.items) 1872 uinfo->value.enumerated.item = 1873 uinfo->value.enumerated.items - 1; 1874 1875 strcpy(uinfo->value.enumerated.name, 1876 asihpi_tuner_band_names[ 1877 tuner_bands[uinfo->value.enumerated.item]]); 1878 1879 } 1880 return 0; 1881 } 1882 1883 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol, 1884 struct snd_ctl_elem_value *ucontrol) 1885 { 1886 u32 h_control = kcontrol->private_value; 1887 /* 1888 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1889 */ 1890 u16 band, idx; 1891 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1892 u32 num_bands = 0; 1893 1894 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1895 HPI_TUNER_BAND_LAST); 1896 1897 hpi_handle_error(hpi_tuner_get_band(h_control, &band)); 1898 1899 ucontrol->value.enumerated.item[0] = -1; 1900 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++) 1901 if (tuner_bands[idx] == band) { 1902 ucontrol->value.enumerated.item[0] = idx; 1903 break; 1904 } 1905 1906 return 0; 1907 } 1908 1909 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol, 1910 struct snd_ctl_elem_value *ucontrol) 1911 { 1912 /* 1913 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1914 */ 1915 u32 h_control = kcontrol->private_value; 1916 unsigned int idx; 1917 u16 band; 1918 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1919 u32 num_bands = 0; 1920 1921 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1922 HPI_TUNER_BAND_LAST); 1923 1924 idx = ucontrol->value.enumerated.item[0]; 1925 if (idx >= ARRAY_SIZE(tuner_bands)) 1926 idx = ARRAY_SIZE(tuner_bands) - 1; 1927 band = tuner_bands[idx]; 1928 hpi_handle_error(hpi_tuner_set_band(h_control, band)); 1929 1930 return 1; 1931 } 1932 1933 /* Freq */ 1934 1935 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol, 1936 struct snd_ctl_elem_info *uinfo) 1937 { 1938 u32 h_control = kcontrol->private_value; 1939 u16 err; 1940 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1941 u16 num_bands = 0, band_iter, idx; 1942 u32 freq_range[3], temp_freq_range[3]; 1943 1944 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1945 HPI_TUNER_BAND_LAST); 1946 1947 freq_range[0] = INT_MAX; 1948 freq_range[1] = 0; 1949 freq_range[2] = INT_MAX; 1950 1951 for (band_iter = 0; band_iter < num_bands; band_iter++) { 1952 for (idx = 0; idx < 3; idx++) { 1953 err = hpi_tuner_query_frequency(h_control, 1954 idx, tuner_bands[band_iter], 1955 &temp_freq_range[idx]); 1956 if (err != 0) 1957 return err; 1958 } 1959 1960 /* skip band with bogus stepping */ 1961 if (temp_freq_range[2] <= 0) 1962 continue; 1963 1964 if (temp_freq_range[0] < freq_range[0]) 1965 freq_range[0] = temp_freq_range[0]; 1966 if (temp_freq_range[1] > freq_range[1]) 1967 freq_range[1] = temp_freq_range[1]; 1968 if (temp_freq_range[2] < freq_range[2]) 1969 freq_range[2] = temp_freq_range[2]; 1970 } 1971 1972 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1973 uinfo->count = 1; 1974 uinfo->value.integer.min = ((int)freq_range[0]); 1975 uinfo->value.integer.max = ((int)freq_range[1]); 1976 uinfo->value.integer.step = ((int)freq_range[2]); 1977 return 0; 1978 } 1979 1980 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol, 1981 struct snd_ctl_elem_value *ucontrol) 1982 { 1983 u32 h_control = kcontrol->private_value; 1984 u32 freq; 1985 1986 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq)); 1987 ucontrol->value.integer.value[0] = freq; 1988 1989 return 0; 1990 } 1991 1992 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol, 1993 struct snd_ctl_elem_value *ucontrol) 1994 { 1995 u32 h_control = kcontrol->private_value; 1996 u32 freq; 1997 1998 freq = ucontrol->value.integer.value[0]; 1999 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq)); 2000 2001 return 1; 2002 } 2003 2004 /* Tuner control group initializer */ 2005 static int snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi, 2006 struct hpi_control *hpi_ctl) 2007 { 2008 struct snd_card *card = asihpi->card; 2009 struct snd_kcontrol_new snd_control; 2010 2011 snd_control.private_value = hpi_ctl->h_control; 2012 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2013 2014 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) { 2015 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain"); 2016 snd_control.info = snd_asihpi_tuner_gain_info; 2017 snd_control.get = snd_asihpi_tuner_gain_get; 2018 snd_control.put = snd_asihpi_tuner_gain_put; 2019 2020 if (ctl_add(card, &snd_control, asihpi) < 0) 2021 return -EINVAL; 2022 } 2023 2024 asihpi_ctl_init(&snd_control, hpi_ctl, "Band"); 2025 snd_control.info = snd_asihpi_tuner_band_info; 2026 snd_control.get = snd_asihpi_tuner_band_get; 2027 snd_control.put = snd_asihpi_tuner_band_put; 2028 2029 if (ctl_add(card, &snd_control, asihpi) < 0) 2030 return -EINVAL; 2031 2032 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq"); 2033 snd_control.info = snd_asihpi_tuner_freq_info; 2034 snd_control.get = snd_asihpi_tuner_freq_get; 2035 snd_control.put = snd_asihpi_tuner_freq_put; 2036 2037 return ctl_add(card, &snd_control, asihpi); 2038 } 2039 2040 /*------------------------------------------------------------ 2041 Meter controls 2042 ------------------------------------------------------------*/ 2043 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol, 2044 struct snd_ctl_elem_info *uinfo) 2045 { 2046 u32 h_control = kcontrol->private_value; 2047 u32 count; 2048 u16 err; 2049 err = hpi_meter_query_channels(h_control, &count); 2050 if (err) 2051 count = HPI_MAX_CHANNELS; 2052 2053 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2054 uinfo->count = count; 2055 uinfo->value.integer.min = 0; 2056 uinfo->value.integer.max = 0x7FFFFFFF; 2057 return 0; 2058 } 2059 2060 /* linear values for 10dB steps */ 2061 static int log2lin[] = { 2062 0x7FFFFFFF, /* 0dB */ 2063 679093956, 2064 214748365, 2065 67909396, 2066 21474837, 2067 6790940, 2068 2147484, /* -60dB */ 2069 679094, 2070 214748, /* -80 */ 2071 67909, 2072 21475, /* -100 */ 2073 6791, 2074 2147, 2075 679, 2076 214, 2077 68, 2078 21, 2079 7, 2080 2 2081 }; 2082 2083 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol, 2084 struct snd_ctl_elem_value *ucontrol) 2085 { 2086 u32 h_control = kcontrol->private_value; 2087 short an_gain_mB[HPI_MAX_CHANNELS], i; 2088 u16 err; 2089 2090 err = hpi_meter_get_peak(h_control, an_gain_mB); 2091 2092 for (i = 0; i < HPI_MAX_CHANNELS; i++) { 2093 if (err) { 2094 ucontrol->value.integer.value[i] = 0; 2095 } else if (an_gain_mB[i] >= 0) { 2096 ucontrol->value.integer.value[i] = 2097 an_gain_mB[i] << 16; 2098 } else { 2099 /* -ve is log value in millibels < -60dB, 2100 * convert to (roughly!) linear, 2101 */ 2102 ucontrol->value.integer.value[i] = 2103 log2lin[an_gain_mB[i] / -1000]; 2104 } 2105 } 2106 return 0; 2107 } 2108 2109 static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi, 2110 struct hpi_control *hpi_ctl, int subidx) 2111 { 2112 struct snd_card *card = asihpi->card; 2113 struct snd_kcontrol_new snd_control; 2114 2115 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter"); 2116 snd_control.access = 2117 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 2118 snd_control.info = snd_asihpi_meter_info; 2119 snd_control.get = snd_asihpi_meter_get; 2120 2121 snd_control.index = subidx; 2122 2123 return ctl_add(card, &snd_control, asihpi); 2124 } 2125 2126 /*------------------------------------------------------------ 2127 Multiplexer controls 2128 ------------------------------------------------------------*/ 2129 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control) 2130 { 2131 u32 h_control = snd_control->private_value; 2132 struct hpi_control hpi_ctl; 2133 int s, err; 2134 for (s = 0; s < 32; s++) { 2135 err = hpi_multiplexer_query_source(h_control, s, 2136 &hpi_ctl. 2137 src_node_type, 2138 &hpi_ctl. 2139 src_node_index); 2140 if (err) 2141 break; 2142 } 2143 return s; 2144 } 2145 2146 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol, 2147 struct snd_ctl_elem_info *uinfo) 2148 { 2149 int err; 2150 u16 src_node_type, src_node_index; 2151 u32 h_control = kcontrol->private_value; 2152 2153 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 2154 uinfo->count = 1; 2155 uinfo->value.enumerated.items = 2156 snd_card_asihpi_mux_count_sources(kcontrol); 2157 2158 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 2159 uinfo->value.enumerated.item = 2160 uinfo->value.enumerated.items - 1; 2161 2162 err = 2163 hpi_multiplexer_query_source(h_control, 2164 uinfo->value.enumerated.item, 2165 &src_node_type, &src_node_index); 2166 2167 sprintf(uinfo->value.enumerated.name, "%s %d", 2168 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE], 2169 src_node_index); 2170 return 0; 2171 } 2172 2173 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol, 2174 struct snd_ctl_elem_value *ucontrol) 2175 { 2176 u32 h_control = kcontrol->private_value; 2177 u16 source_type, source_index; 2178 u16 src_node_type, src_node_index; 2179 int s; 2180 2181 hpi_handle_error(hpi_multiplexer_get_source(h_control, 2182 &source_type, &source_index)); 2183 /* Should cache this search result! */ 2184 for (s = 0; s < 256; s++) { 2185 if (hpi_multiplexer_query_source(h_control, s, 2186 &src_node_type, &src_node_index)) 2187 break; 2188 2189 if ((source_type == src_node_type) 2190 && (source_index == src_node_index)) { 2191 ucontrol->value.enumerated.item[0] = s; 2192 return 0; 2193 } 2194 } 2195 snd_printd(KERN_WARNING 2196 "Control %x failed to match mux source %hu %hu\n", 2197 h_control, source_type, source_index); 2198 ucontrol->value.enumerated.item[0] = 0; 2199 return 0; 2200 } 2201 2202 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol, 2203 struct snd_ctl_elem_value *ucontrol) 2204 { 2205 int change; 2206 u32 h_control = kcontrol->private_value; 2207 u16 source_type, source_index; 2208 u16 e; 2209 2210 change = 1; 2211 2212 e = hpi_multiplexer_query_source(h_control, 2213 ucontrol->value.enumerated.item[0], 2214 &source_type, &source_index); 2215 if (!e) 2216 hpi_handle_error( 2217 hpi_multiplexer_set_source(h_control, 2218 source_type, source_index)); 2219 return change; 2220 } 2221 2222 2223 static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi, 2224 struct hpi_control *hpi_ctl) 2225 { 2226 struct snd_card *card = asihpi->card; 2227 struct snd_kcontrol_new snd_control; 2228 2229 asihpi_ctl_init(&snd_control, hpi_ctl, "Route"); 2230 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2231 snd_control.info = snd_asihpi_mux_info; 2232 snd_control.get = snd_asihpi_mux_get; 2233 snd_control.put = snd_asihpi_mux_put; 2234 2235 return ctl_add(card, &snd_control, asihpi); 2236 2237 } 2238 2239 /*------------------------------------------------------------ 2240 Channel mode controls 2241 ------------------------------------------------------------*/ 2242 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol, 2243 struct snd_ctl_elem_info *uinfo) 2244 { 2245 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = { 2246 "invalid", 2247 "Normal", "Swap", 2248 "From Left", "From Right", 2249 "To Left", "To Right" 2250 }; 2251 2252 u32 h_control = kcontrol->private_value; 2253 u16 mode; 2254 int i; 2255 u16 mode_map[6]; 2256 int valid_modes = 0; 2257 2258 /* HPI channel mode values can be from 1 to 6 2259 Some adapters only support a contiguous subset 2260 */ 2261 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++) 2262 if (!hpi_channel_mode_query_mode( 2263 h_control, i, &mode)) { 2264 mode_map[valid_modes] = mode; 2265 valid_modes++; 2266 } 2267 2268 if (!valid_modes) 2269 return -EINVAL; 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 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 unsigned int item; 2391 int change; 2392 u32 h_control = kcontrol->private_value; 2393 2394 change = 1; 2395 item = ucontrol->value.enumerated.item[0]; 2396 if (item >= clkcache->count) 2397 item = clkcache->count-1; 2398 2399 hpi_handle_error(hpi_sample_clock_set_source( 2400 h_control, clkcache->s[item].source)); 2401 2402 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2403 hpi_handle_error(hpi_sample_clock_set_source_index( 2404 h_control, clkcache->s[item].index)); 2405 return change; 2406 } 2407 2408 /*------------------------------------------------------------ 2409 Clkrate controls 2410 ------------------------------------------------------------*/ 2411 /* Need to change this to enumerated control with list of rates */ 2412 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol, 2413 struct snd_ctl_elem_info *uinfo) 2414 { 2415 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2416 uinfo->count = 1; 2417 uinfo->value.integer.min = 8000; 2418 uinfo->value.integer.max = 192000; 2419 uinfo->value.integer.step = 100; 2420 2421 return 0; 2422 } 2423 2424 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol, 2425 struct snd_ctl_elem_value *ucontrol) 2426 { 2427 u32 h_control = kcontrol->private_value; 2428 u32 rate; 2429 u16 e; 2430 2431 e = hpi_sample_clock_get_local_rate(h_control, &rate); 2432 if (!e) 2433 ucontrol->value.integer.value[0] = rate; 2434 else 2435 ucontrol->value.integer.value[0] = 0; 2436 return 0; 2437 } 2438 2439 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol, 2440 struct snd_ctl_elem_value *ucontrol) 2441 { 2442 int change; 2443 u32 h_control = kcontrol->private_value; 2444 2445 /* change = asihpi->mixer_clkrate[addr][0] != left || 2446 asihpi->mixer_clkrate[addr][1] != right; 2447 */ 2448 change = 1; 2449 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control, 2450 ucontrol->value.integer.value[0])); 2451 return change; 2452 } 2453 2454 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol, 2455 struct snd_ctl_elem_info *uinfo) 2456 { 2457 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2458 uinfo->count = 1; 2459 uinfo->value.integer.min = 8000; 2460 uinfo->value.integer.max = 192000; 2461 uinfo->value.integer.step = 100; 2462 2463 return 0; 2464 } 2465 2466 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol, 2467 struct snd_ctl_elem_value *ucontrol) 2468 { 2469 u32 h_control = kcontrol->private_value; 2470 u32 rate; 2471 u16 e; 2472 2473 e = hpi_sample_clock_get_sample_rate(h_control, &rate); 2474 if (!e) 2475 ucontrol->value.integer.value[0] = rate; 2476 else 2477 ucontrol->value.integer.value[0] = 0; 2478 return 0; 2479 } 2480 2481 static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi, 2482 struct hpi_control *hpi_ctl) 2483 { 2484 struct snd_card *card = asihpi->card; 2485 struct snd_kcontrol_new snd_control; 2486 2487 struct clk_cache *clkcache = &asihpi->cc; 2488 u32 hSC = hpi_ctl->h_control; 2489 int has_aes_in = 0; 2490 int i, j; 2491 u16 source; 2492 2493 snd_control.private_value = hpi_ctl->h_control; 2494 2495 clkcache->has_local = 0; 2496 2497 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) { 2498 if (hpi_sample_clock_query_source(hSC, 2499 i, &source)) 2500 break; 2501 clkcache->s[i].source = source; 2502 clkcache->s[i].index = 0; 2503 clkcache->s[i].name = sampleclock_sources[source]; 2504 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2505 has_aes_in = 1; 2506 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL) 2507 clkcache->has_local = 1; 2508 } 2509 if (has_aes_in) 2510 /* already will have picked up index 0 above */ 2511 for (j = 1; j < 8; j++) { 2512 if (hpi_sample_clock_query_source_index(hSC, 2513 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT, 2514 &source)) 2515 break; 2516 clkcache->s[i].source = 2517 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT; 2518 clkcache->s[i].index = j; 2519 clkcache->s[i].name = sampleclock_sources[ 2520 j+HPI_SAMPLECLOCK_SOURCE_LAST]; 2521 i++; 2522 } 2523 clkcache->count = i; 2524 2525 asihpi_ctl_init(&snd_control, hpi_ctl, "Source"); 2526 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; 2527 snd_control.info = snd_asihpi_clksrc_info; 2528 snd_control.get = snd_asihpi_clksrc_get; 2529 snd_control.put = snd_asihpi_clksrc_put; 2530 if (ctl_add(card, &snd_control, asihpi) < 0) 2531 return -EINVAL; 2532 2533 2534 if (clkcache->has_local) { 2535 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate"); 2536 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; 2537 snd_control.info = snd_asihpi_clklocal_info; 2538 snd_control.get = snd_asihpi_clklocal_get; 2539 snd_control.put = snd_asihpi_clklocal_put; 2540 2541 2542 if (ctl_add(card, &snd_control, asihpi) < 0) 2543 return -EINVAL; 2544 } 2545 2546 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate"); 2547 snd_control.access = 2548 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 2549 snd_control.info = snd_asihpi_clkrate_info; 2550 snd_control.get = snd_asihpi_clkrate_get; 2551 2552 return ctl_add(card, &snd_control, asihpi); 2553 } 2554 /*------------------------------------------------------------ 2555 Mixer 2556 ------------------------------------------------------------*/ 2557 2558 static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi) 2559 { 2560 struct snd_card *card; 2561 unsigned int idx = 0; 2562 unsigned int subindex = 0; 2563 int err; 2564 struct hpi_control hpi_ctl, prev_ctl; 2565 2566 if (snd_BUG_ON(!asihpi)) 2567 return -EINVAL; 2568 card = asihpi->card; 2569 strcpy(card->mixername, "Asihpi Mixer"); 2570 2571 err = 2572 hpi_mixer_open(asihpi->hpi->adapter->index, 2573 &asihpi->h_mixer); 2574 hpi_handle_error(err); 2575 if (err) 2576 return -err; 2577 2578 memset(&prev_ctl, 0, sizeof(prev_ctl)); 2579 prev_ctl.control_type = -1; 2580 2581 for (idx = 0; idx < 2000; idx++) { 2582 err = hpi_mixer_get_control_by_index( 2583 asihpi->h_mixer, 2584 idx, 2585 &hpi_ctl.src_node_type, 2586 &hpi_ctl.src_node_index, 2587 &hpi_ctl.dst_node_type, 2588 &hpi_ctl.dst_node_index, 2589 &hpi_ctl.control_type, 2590 &hpi_ctl.h_control); 2591 if (err) { 2592 if (err == HPI_ERROR_CONTROL_DISABLED) { 2593 if (mixer_dump) 2594 snd_printk(KERN_INFO 2595 "Disabled HPI Control(%d)\n", 2596 idx); 2597 continue; 2598 } else 2599 break; 2600 2601 } 2602 2603 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE; 2604 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE; 2605 2606 /* ASI50xx in SSX mode has multiple meters on the same node. 2607 Use subindex to create distinct ALSA controls 2608 for any duplicated controls. 2609 */ 2610 if ((hpi_ctl.control_type == prev_ctl.control_type) && 2611 (hpi_ctl.src_node_type == prev_ctl.src_node_type) && 2612 (hpi_ctl.src_node_index == prev_ctl.src_node_index) && 2613 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) && 2614 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index)) 2615 subindex++; 2616 else 2617 subindex = 0; 2618 2619 prev_ctl = hpi_ctl; 2620 2621 switch (hpi_ctl.control_type) { 2622 case HPI_CONTROL_VOLUME: 2623 err = snd_asihpi_volume_add(asihpi, &hpi_ctl); 2624 break; 2625 case HPI_CONTROL_LEVEL: 2626 err = snd_asihpi_level_add(asihpi, &hpi_ctl); 2627 break; 2628 case HPI_CONTROL_MULTIPLEXER: 2629 err = snd_asihpi_mux_add(asihpi, &hpi_ctl); 2630 break; 2631 case HPI_CONTROL_CHANNEL_MODE: 2632 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl); 2633 break; 2634 case HPI_CONTROL_METER: 2635 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex); 2636 break; 2637 case HPI_CONTROL_SAMPLECLOCK: 2638 err = snd_asihpi_sampleclock_add( 2639 asihpi, &hpi_ctl); 2640 break; 2641 case HPI_CONTROL_CONNECTION: /* ignore these */ 2642 continue; 2643 case HPI_CONTROL_TUNER: 2644 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl); 2645 break; 2646 case HPI_CONTROL_AESEBU_TRANSMITTER: 2647 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl); 2648 break; 2649 case HPI_CONTROL_AESEBU_RECEIVER: 2650 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl); 2651 break; 2652 case HPI_CONTROL_VOX: 2653 case HPI_CONTROL_BITSTREAM: 2654 case HPI_CONTROL_MICROPHONE: 2655 case HPI_CONTROL_PARAMETRIC_EQ: 2656 case HPI_CONTROL_COMPANDER: 2657 default: 2658 if (mixer_dump) 2659 snd_printk(KERN_INFO 2660 "Untranslated HPI Control" 2661 "(%d) %d %d %d %d %d\n", 2662 idx, 2663 hpi_ctl.control_type, 2664 hpi_ctl.src_node_type, 2665 hpi_ctl.src_node_index, 2666 hpi_ctl.dst_node_type, 2667 hpi_ctl.dst_node_index); 2668 continue; 2669 } 2670 if (err < 0) 2671 return err; 2672 } 2673 if (HPI_ERROR_INVALID_OBJ_INDEX != err) 2674 hpi_handle_error(err); 2675 2676 snd_printk(KERN_INFO "%d mixer controls found\n", idx); 2677 2678 return 0; 2679 } 2680 2681 /*------------------------------------------------------------ 2682 /proc interface 2683 ------------------------------------------------------------*/ 2684 2685 static void 2686 snd_asihpi_proc_read(struct snd_info_entry *entry, 2687 struct snd_info_buffer *buffer) 2688 { 2689 struct snd_card_asihpi *asihpi = entry->private_data; 2690 u32 h_control; 2691 u32 rate = 0; 2692 u16 source = 0; 2693 2694 u16 num_outstreams; 2695 u16 num_instreams; 2696 u16 version; 2697 u32 serial_number; 2698 u16 type; 2699 2700 int err; 2701 2702 snd_iprintf(buffer, "ASIHPI driver proc file\n"); 2703 2704 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index, 2705 &num_outstreams, &num_instreams, 2706 &version, &serial_number, &type)); 2707 2708 snd_iprintf(buffer, 2709 "Adapter type ASI%4X\nHardware Index %d\n" 2710 "%d outstreams\n%d instreams\n", 2711 type, asihpi->hpi->adapter->index, 2712 num_outstreams, num_instreams); 2713 2714 snd_iprintf(buffer, 2715 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n", 2716 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7, 2717 ((version >> 13) * 100) + ((version >> 7) & 0x3f)); 2718 2719 err = hpi_mixer_get_control(asihpi->h_mixer, 2720 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 2721 HPI_CONTROL_SAMPLECLOCK, &h_control); 2722 2723 if (!err) { 2724 err = hpi_sample_clock_get_sample_rate(h_control, &rate); 2725 err += hpi_sample_clock_get_source(h_control, &source); 2726 2727 if (!err) 2728 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n", 2729 rate, sampleclock_sources[source]); 2730 } 2731 } 2732 2733 static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi) 2734 { 2735 struct snd_info_entry *entry; 2736 2737 if (!snd_card_proc_new(asihpi->card, "info", &entry)) 2738 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read); 2739 } 2740 2741 /*------------------------------------------------------------ 2742 HWDEP 2743 ------------------------------------------------------------*/ 2744 2745 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file) 2746 { 2747 if (enable_hpi_hwdep) 2748 return 0; 2749 else 2750 return -ENODEV; 2751 2752 } 2753 2754 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file) 2755 { 2756 if (enable_hpi_hwdep) 2757 return asihpi_hpi_release(file); 2758 else 2759 return -ENODEV; 2760 } 2761 2762 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file, 2763 unsigned int cmd, unsigned long arg) 2764 { 2765 if (enable_hpi_hwdep) 2766 return asihpi_hpi_ioctl(file, cmd, arg); 2767 else 2768 return -ENODEV; 2769 } 2770 2771 2772 /* results in /dev/snd/hwC#D0 file for each card with index # 2773 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card' 2774 */ 2775 static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi, 2776 int device, struct snd_hwdep **rhwdep) 2777 { 2778 struct snd_hwdep *hw; 2779 int err; 2780 2781 if (rhwdep) 2782 *rhwdep = NULL; 2783 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw); 2784 if (err < 0) 2785 return err; 2786 strcpy(hw->name, "asihpi (HPI)"); 2787 hw->iface = SNDRV_HWDEP_IFACE_LAST; 2788 hw->ops.open = snd_asihpi_hpi_open; 2789 hw->ops.ioctl = snd_asihpi_hpi_ioctl; 2790 hw->ops.release = snd_asihpi_hpi_release; 2791 hw->private_data = asihpi; 2792 if (rhwdep) 2793 *rhwdep = hw; 2794 return 0; 2795 } 2796 2797 /*------------------------------------------------------------ 2798 CARD 2799 ------------------------------------------------------------*/ 2800 static int snd_asihpi_probe(struct pci_dev *pci_dev, 2801 const struct pci_device_id *pci_id) 2802 { 2803 int err; 2804 struct hpi_adapter *hpi; 2805 struct snd_card *card; 2806 struct snd_card_asihpi *asihpi; 2807 2808 u32 h_control; 2809 u32 h_stream; 2810 u32 adapter_index; 2811 2812 static int dev; 2813 if (dev >= SNDRV_CARDS) 2814 return -ENODEV; 2815 2816 /* Should this be enable[hpi->index] ? */ 2817 if (!enable[dev]) { 2818 dev++; 2819 return -ENOENT; 2820 } 2821 2822 /* Initialise low-level HPI driver */ 2823 err = asihpi_adapter_probe(pci_dev, pci_id); 2824 if (err < 0) 2825 return err; 2826 2827 hpi = pci_get_drvdata(pci_dev); 2828 adapter_index = hpi->adapter->index; 2829 /* first try to give the card the same index as its hardware index */ 2830 err = snd_card_create(adapter_index, 2831 id[adapter_index], THIS_MODULE, 2832 sizeof(struct snd_card_asihpi), 2833 &card); 2834 if (err < 0) { 2835 /* if that fails, try the default index==next available */ 2836 err = 2837 snd_card_create(index[dev], id[dev], 2838 THIS_MODULE, 2839 sizeof(struct snd_card_asihpi), 2840 &card); 2841 if (err < 0) 2842 return err; 2843 snd_printk(KERN_WARNING 2844 "**** WARNING **** Adapter index %d->ALSA index %d\n", 2845 adapter_index, card->number); 2846 } 2847 2848 snd_card_set_dev(card, &pci_dev->dev); 2849 2850 asihpi = card->private_data; 2851 asihpi->card = card; 2852 asihpi->pci = pci_dev; 2853 asihpi->hpi = hpi; 2854 2855 snd_printk(KERN_INFO "adapter ID=%4X index=%d\n", 2856 asihpi->hpi->adapter->type, adapter_index); 2857 2858 err = hpi_adapter_get_property(adapter_index, 2859 HPI_ADAPTER_PROPERTY_CAPS1, 2860 NULL, &asihpi->support_grouping); 2861 if (err) 2862 asihpi->support_grouping = 0; 2863 2864 err = hpi_adapter_get_property(adapter_index, 2865 HPI_ADAPTER_PROPERTY_CAPS2, 2866 &asihpi->support_mrx, NULL); 2867 if (err) 2868 asihpi->support_mrx = 0; 2869 2870 err = hpi_adapter_get_property(adapter_index, 2871 HPI_ADAPTER_PROPERTY_INTERVAL, 2872 NULL, &asihpi->update_interval_frames); 2873 if (err) 2874 asihpi->update_interval_frames = 512; 2875 2876 if (!asihpi->can_dma) 2877 asihpi->update_interval_frames *= 2; 2878 2879 hpi_handle_error(hpi_instream_open(adapter_index, 2880 0, &h_stream)); 2881 2882 err = hpi_instream_host_buffer_free(h_stream); 2883 asihpi->can_dma = (!err); 2884 2885 hpi_handle_error(hpi_instream_close(h_stream)); 2886 2887 err = hpi_adapter_get_property(adapter_index, 2888 HPI_ADAPTER_PROPERTY_CURCHANNELS, 2889 &asihpi->in_max_chans, &asihpi->out_max_chans); 2890 if (err) { 2891 asihpi->in_max_chans = 2; 2892 asihpi->out_max_chans = 2; 2893 } 2894 2895 if (asihpi->out_max_chans > 2) { /* assume LL mode */ 2896 asihpi->out_min_chans = asihpi->out_max_chans; 2897 asihpi->in_min_chans = asihpi->in_max_chans; 2898 asihpi->support_grouping = 0; 2899 } else { 2900 asihpi->out_min_chans = 1; 2901 asihpi->in_min_chans = 1; 2902 } 2903 2904 snd_printk(KERN_INFO "Has dma:%d, grouping:%d, mrx:%d\n", 2905 asihpi->can_dma, 2906 asihpi->support_grouping, 2907 asihpi->support_mrx 2908 ); 2909 2910 err = snd_card_asihpi_pcm_new(asihpi, 0); 2911 if (err < 0) { 2912 snd_printk(KERN_ERR "pcm_new failed\n"); 2913 goto __nodev; 2914 } 2915 err = snd_card_asihpi_mixer_new(asihpi); 2916 if (err < 0) { 2917 snd_printk(KERN_ERR "mixer_new failed\n"); 2918 goto __nodev; 2919 } 2920 2921 err = hpi_mixer_get_control(asihpi->h_mixer, 2922 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 2923 HPI_CONTROL_SAMPLECLOCK, &h_control); 2924 2925 if (!err) 2926 err = hpi_sample_clock_set_local_rate( 2927 h_control, adapter_fs); 2928 2929 snd_asihpi_proc_init(asihpi); 2930 2931 /* always create, can be enabled or disabled dynamically 2932 by enable_hwdep module param*/ 2933 snd_asihpi_hpi_new(asihpi, 0, NULL); 2934 2935 strcpy(card->driver, "ASIHPI"); 2936 2937 sprintf(card->shortname, "AudioScience ASI%4X", 2938 asihpi->hpi->adapter->type); 2939 sprintf(card->longname, "%s %i", 2940 card->shortname, adapter_index); 2941 err = snd_card_register(card); 2942 2943 if (!err) { 2944 hpi->snd_card = card; 2945 dev++; 2946 return 0; 2947 } 2948 __nodev: 2949 snd_card_free(card); 2950 snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err); 2951 return err; 2952 2953 } 2954 2955 static void snd_asihpi_remove(struct pci_dev *pci_dev) 2956 { 2957 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev); 2958 snd_card_free(hpi->snd_card); 2959 hpi->snd_card = NULL; 2960 asihpi_adapter_remove(pci_dev); 2961 } 2962 2963 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = { 2964 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205, 2965 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, 2966 (kernel_ulong_t)HPI_6205}, 2967 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040, 2968 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, 2969 (kernel_ulong_t)HPI_6000}, 2970 {0,} 2971 }; 2972 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl); 2973 2974 static struct pci_driver driver = { 2975 .name = KBUILD_MODNAME, 2976 .id_table = asihpi_pci_tbl, 2977 .probe = snd_asihpi_probe, 2978 .remove = snd_asihpi_remove, 2979 #ifdef CONFIG_PM_SLEEP 2980 /* .suspend = snd_asihpi_suspend, 2981 .resume = snd_asihpi_resume, */ 2982 #endif 2983 }; 2984 2985 static int __init snd_asihpi_init(void) 2986 { 2987 asihpi_init(); 2988 return pci_register_driver(&driver); 2989 } 2990 2991 static void __exit snd_asihpi_exit(void) 2992 { 2993 2994 pci_unregister_driver(&driver); 2995 asihpi_exit(); 2996 } 2997 2998 module_init(snd_asihpi_init) 2999 module_exit(snd_asihpi_exit) 3000 3001