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 snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); 773 continue; 774 } 775 } else { 776 ds->drained_count = 0; 777 } 778 } else 779 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs; 780 781 if (first) { 782 /* can't statically init min when wrap is involved */ 783 min_buf_pos = pcm_buf_dma_ofs; 784 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes; 785 first = 0; 786 } else { 787 min_buf_pos = 788 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L); 789 newdata = min( 790 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes, 791 newdata); 792 } 793 794 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n", 795 (unsigned long)frames_to_bytes(runtime, 796 runtime->status->hw_ptr), 797 (unsigned long)frames_to_bytes(runtime, 798 runtime->control->appl_ptr)); 799 800 snd_printdd("%d S=%d, " 801 "rw=0x%04X, dma=0x%04X, left=0x%04X, " 802 "aux=0x%04X space=0x%04X\n", 803 s->number, state, 804 ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, 805 (int)bytes_avail, 806 (int)on_card_bytes, buffer_size-bytes_avail); 807 loops++; 808 } 809 pcm_buf_dma_ofs = min_buf_pos; 810 811 remdata = newdata % dpcm->period_bytes; 812 xfercount = newdata - remdata; /* a multiple of period_bytes */ 813 /* come back when on_card_bytes has decreased enough to allow 814 write to happen, or when data has been consumed to make another 815 period 816 */ 817 if (xfercount && (on_card_bytes > dpcm->period_bytes)) 818 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec); 819 else 820 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec); 821 822 next_jiffies = max(next_jiffies, 1U); 823 dpcm->timer.expires = jiffies + next_jiffies; 824 snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n", 825 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount); 826 827 snd_pcm_group_for_each_entry(s, substream) { 828 struct snd_card_asihpi_pcm *ds = s->runtime->private_data; 829 830 /* don't link Cap and Play */ 831 if (substream->stream != s->stream) 832 continue; 833 834 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs; 835 836 if (xfercount && 837 /* Limit use of on card fifo for playback */ 838 ((on_card_bytes <= ds->period_bytes) || 839 (s->stream == SNDRV_PCM_STREAM_CAPTURE))) 840 841 { 842 843 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes; 844 unsigned int xfer1, xfer2; 845 char *pd = &s->runtime->dma_area[buf_ofs]; 846 847 if (card->can_dma) { /* buffer wrap is handled at lower level */ 848 xfer1 = xfercount; 849 xfer2 = 0; 850 } else { 851 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs); 852 xfer2 = xfercount - xfer1; 853 } 854 855 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { 856 snd_printddd("P%d write1 0x%04X 0x%04X\n", 857 s->number, xfer1, buf_ofs); 858 hpi_handle_error( 859 hpi_outstream_write_buf( 860 ds->h_stream, pd, xfer1, 861 &ds->format)); 862 863 if (xfer2) { 864 pd = s->runtime->dma_area; 865 866 snd_printddd("P%d write2 0x%04X 0x%04X\n", 867 s->number, 868 xfercount - xfer1, buf_ofs); 869 hpi_handle_error( 870 hpi_outstream_write_buf( 871 ds->h_stream, pd, 872 xfercount - xfer1, 873 &ds->format)); 874 } 875 } else { 876 snd_printddd("C%d read1 0x%04x\n", 877 s->number, xfer1); 878 hpi_handle_error( 879 hpi_instream_read_buf( 880 ds->h_stream, 881 pd, xfer1)); 882 if (xfer2) { 883 pd = s->runtime->dma_area; 884 snd_printddd("C%d read2 0x%04x\n", 885 s->number, xfer2); 886 hpi_handle_error( 887 hpi_instream_read_buf( 888 ds->h_stream, 889 pd, xfer2)); 890 } 891 } 892 ds->pcm_buf_host_rw_ofs += xfercount; 893 ds->pcm_buf_elapsed_dma_ofs += xfercount; 894 snd_pcm_period_elapsed(s); 895 } 896 } 897 898 if (dpcm->respawn_timer) 899 add_timer(&dpcm->timer); 900 } 901 902 /***************************** PLAYBACK OPS ****************/ 903 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream, 904 unsigned int cmd, void *arg) 905 { 906 char name[16]; 907 snd_pcm_debug_name(substream, name, sizeof(name)); 908 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd); 909 return snd_pcm_lib_ioctl(substream, cmd, arg); 910 } 911 912 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream * 913 substream) 914 { 915 struct snd_pcm_runtime *runtime = substream->runtime; 916 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 917 918 snd_printdd("P%d prepare\n", substream->number); 919 920 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream)); 921 dpcm->pcm_buf_host_rw_ofs = 0; 922 dpcm->pcm_buf_dma_ofs = 0; 923 dpcm->pcm_buf_elapsed_dma_ofs = 0; 924 return 0; 925 } 926 927 static snd_pcm_uframes_t 928 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream) 929 { 930 struct snd_pcm_runtime *runtime = substream->runtime; 931 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 932 snd_pcm_uframes_t ptr; 933 char name[16]; 934 snd_pcm_debug_name(substream, name, sizeof(name)); 935 936 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); 937 snd_printddd("%s pointer = 0x%04lx\n", name, (unsigned long)ptr); 938 return ptr; 939 } 940 941 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi, 942 u32 h_stream) 943 { 944 struct hpi_format hpi_format; 945 u16 format; 946 u16 err; 947 u32 h_control; 948 u32 sample_rate = 48000; 949 u64 formats = 0; 950 951 /* on cards without SRC, must query at valid rate, 952 * maybe set by external sync 953 */ 954 err = hpi_mixer_get_control(asihpi->h_mixer, 955 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 956 HPI_CONTROL_SAMPLECLOCK, &h_control); 957 958 if (!err) 959 err = hpi_sample_clock_get_sample_rate(h_control, 960 &sample_rate); 961 962 for (format = HPI_FORMAT_PCM8_UNSIGNED; 963 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 964 err = hpi_format_create(&hpi_format, asihpi->out_max_chans, 965 format, sample_rate, 128000, 0); 966 if (!err) 967 err = hpi_outstream_query_format(h_stream, &hpi_format); 968 if (!err && (hpi_to_alsa_formats[format] != -1)) 969 formats |= (1ULL << hpi_to_alsa_formats[format]); 970 } 971 return formats; 972 } 973 974 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) 975 { 976 struct snd_pcm_runtime *runtime = substream->runtime; 977 struct snd_card_asihpi_pcm *dpcm; 978 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 979 struct snd_pcm_hardware snd_card_asihpi_playback; 980 int err; 981 982 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); 983 if (dpcm == NULL) 984 return -ENOMEM; 985 986 err = hpi_outstream_open(card->hpi->adapter->index, 987 substream->number, &dpcm->h_stream); 988 hpi_handle_error(err); 989 if (err) 990 kfree(dpcm); 991 if (err == HPI_ERROR_OBJ_ALREADY_OPEN) 992 return -EBUSY; 993 if (err) 994 return -EIO; 995 996 /*? also check ASI5000 samplerate source 997 If external, only support external rate. 998 If internal and other stream playing, can't switch 999 */ 1000 1001 init_timer(&dpcm->timer); 1002 dpcm->timer.data = (unsigned long) dpcm; 1003 dpcm->timer.function = snd_card_asihpi_timer_function; 1004 dpcm->substream = substream; 1005 runtime->private_data = dpcm; 1006 runtime->private_free = snd_card_asihpi_runtime_free; 1007 1008 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback)); 1009 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX; 1010 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN; 1011 /*?snd_card_asihpi_playback.period_bytes_min = 1012 card->out_max_chans * 4096; */ 1013 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; 1014 snd_card_asihpi_playback.periods_min = PERIODS_MIN; 1015 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; 1016 /* snd_card_asihpi_playback.fifo_size = 0; */ 1017 snd_card_asihpi_playback.channels_max = card->out_max_chans; 1018 snd_card_asihpi_playback.channels_min = card->out_min_chans; 1019 snd_card_asihpi_playback.formats = 1020 snd_card_asihpi_playback_formats(card, dpcm->h_stream); 1021 1022 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback); 1023 1024 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED | 1025 SNDRV_PCM_INFO_DOUBLE | 1026 SNDRV_PCM_INFO_BATCH | 1027 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1028 SNDRV_PCM_INFO_PAUSE | 1029 SNDRV_PCM_INFO_MMAP | 1030 SNDRV_PCM_INFO_MMAP_VALID; 1031 1032 if (card->support_grouping) { 1033 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START; 1034 snd_pcm_set_sync(substream); 1035 } 1036 1037 /* struct is copied, so can create initializer dynamically */ 1038 runtime->hw = snd_card_asihpi_playback; 1039 1040 if (card->can_dma) 1041 err = snd_pcm_hw_constraint_pow2(runtime, 0, 1042 SNDRV_PCM_HW_PARAM_BUFFER_BYTES); 1043 if (err < 0) 1044 return err; 1045 1046 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1047 card->update_interval_frames); 1048 1049 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1050 card->update_interval_frames * 2, UINT_MAX); 1051 1052 snd_printdd("playback open\n"); 1053 1054 return 0; 1055 } 1056 1057 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream) 1058 { 1059 struct snd_pcm_runtime *runtime = substream->runtime; 1060 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1061 1062 hpi_handle_error(hpi_outstream_close(dpcm->h_stream)); 1063 snd_printdd("playback close\n"); 1064 1065 return 0; 1066 } 1067 1068 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = { 1069 .open = snd_card_asihpi_playback_open, 1070 .close = snd_card_asihpi_playback_close, 1071 .ioctl = snd_card_asihpi_playback_ioctl, 1072 .hw_params = snd_card_asihpi_pcm_hw_params, 1073 .hw_free = snd_card_asihpi_hw_free, 1074 .prepare = snd_card_asihpi_playback_prepare, 1075 .trigger = snd_card_asihpi_trigger, 1076 .pointer = snd_card_asihpi_playback_pointer, 1077 }; 1078 1079 /***************************** CAPTURE OPS ****************/ 1080 static snd_pcm_uframes_t 1081 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream) 1082 { 1083 struct snd_pcm_runtime *runtime = substream->runtime; 1084 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; 1085 1086 snd_printddd("capture pointer %d=%d\n", 1087 substream->number, dpcm->pcm_buf_dma_ofs); 1088 /* NOTE Unlike playback can't use actual samples_played 1089 for the capture position, because those samples aren't yet in 1090 the local buffer available for reading. 1091 */ 1092 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); 1093 } 1094 1095 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream, 1096 unsigned int cmd, void *arg) 1097 { 1098 return snd_pcm_lib_ioctl(substream, cmd, arg); 1099 } 1100 1101 static int snd_card_asihpi_capture_prepare(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 hpi_handle_error(hpi_instream_reset(dpcm->h_stream)); 1107 dpcm->pcm_buf_host_rw_ofs = 0; 1108 dpcm->pcm_buf_dma_ofs = 0; 1109 dpcm->pcm_buf_elapsed_dma_ofs = 0; 1110 1111 snd_printdd("Capture Prepare %d\n", substream->number); 1112 return 0; 1113 } 1114 1115 1116 1117 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi, 1118 u32 h_stream) 1119 { 1120 struct hpi_format hpi_format; 1121 u16 format; 1122 u16 err; 1123 u32 h_control; 1124 u32 sample_rate = 48000; 1125 u64 formats = 0; 1126 1127 /* on cards without SRC, must query at valid rate, 1128 maybe set by external sync */ 1129 err = hpi_mixer_get_control(asihpi->h_mixer, 1130 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 1131 HPI_CONTROL_SAMPLECLOCK, &h_control); 1132 1133 if (!err) 1134 err = hpi_sample_clock_get_sample_rate(h_control, 1135 &sample_rate); 1136 1137 for (format = HPI_FORMAT_PCM8_UNSIGNED; 1138 format <= HPI_FORMAT_PCM24_SIGNED; format++) { 1139 1140 err = hpi_format_create(&hpi_format, asihpi->in_max_chans, 1141 format, sample_rate, 128000, 0); 1142 if (!err) 1143 err = hpi_instream_query_format(h_stream, &hpi_format); 1144 if (!err) 1145 formats |= (1ULL << hpi_to_alsa_formats[format]); 1146 } 1147 return formats; 1148 } 1149 1150 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream) 1151 { 1152 struct snd_pcm_runtime *runtime = substream->runtime; 1153 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); 1154 struct snd_card_asihpi_pcm *dpcm; 1155 struct snd_pcm_hardware snd_card_asihpi_capture; 1156 int err; 1157 1158 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL); 1159 if (dpcm == NULL) 1160 return -ENOMEM; 1161 1162 snd_printdd("capture open adapter %d stream %d\n", 1163 card->hpi->adapter->index, substream->number); 1164 1165 err = hpi_handle_error( 1166 hpi_instream_open(card->hpi->adapter->index, 1167 substream->number, &dpcm->h_stream)); 1168 if (err) 1169 kfree(dpcm); 1170 if (err == HPI_ERROR_OBJ_ALREADY_OPEN) 1171 return -EBUSY; 1172 if (err) 1173 return -EIO; 1174 1175 init_timer(&dpcm->timer); 1176 dpcm->timer.data = (unsigned long) dpcm; 1177 dpcm->timer.function = snd_card_asihpi_timer_function; 1178 dpcm->substream = substream; 1179 runtime->private_data = dpcm; 1180 runtime->private_free = snd_card_asihpi_runtime_free; 1181 1182 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture)); 1183 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX; 1184 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN; 1185 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN; 1186 snd_card_asihpi_capture.periods_min = PERIODS_MIN; 1187 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN; 1188 /* snd_card_asihpi_capture.fifo_size = 0; */ 1189 snd_card_asihpi_capture.channels_max = card->in_max_chans; 1190 snd_card_asihpi_capture.channels_min = card->in_min_chans; 1191 snd_card_asihpi_capture.formats = 1192 snd_card_asihpi_capture_formats(card, dpcm->h_stream); 1193 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture); 1194 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED | 1195 SNDRV_PCM_INFO_MMAP | 1196 SNDRV_PCM_INFO_MMAP_VALID; 1197 1198 if (card->support_grouping) 1199 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START; 1200 1201 runtime->hw = snd_card_asihpi_capture; 1202 1203 if (card->can_dma) 1204 err = snd_pcm_hw_constraint_pow2(runtime, 0, 1205 SNDRV_PCM_HW_PARAM_BUFFER_BYTES); 1206 if (err < 0) 1207 return err; 1208 1209 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1210 card->update_interval_frames); 1211 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 1212 card->update_interval_frames * 2, UINT_MAX); 1213 1214 snd_pcm_set_sync(substream); 1215 1216 return 0; 1217 } 1218 1219 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream) 1220 { 1221 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data; 1222 1223 hpi_handle_error(hpi_instream_close(dpcm->h_stream)); 1224 return 0; 1225 } 1226 1227 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { 1228 .open = snd_card_asihpi_capture_open, 1229 .close = snd_card_asihpi_capture_close, 1230 .ioctl = snd_card_asihpi_capture_ioctl, 1231 .hw_params = snd_card_asihpi_pcm_hw_params, 1232 .hw_free = snd_card_asihpi_hw_free, 1233 .prepare = snd_card_asihpi_capture_prepare, 1234 .trigger = snd_card_asihpi_trigger, 1235 .pointer = snd_card_asihpi_capture_pointer, 1236 }; 1237 1238 static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device) 1239 { 1240 struct snd_pcm *pcm; 1241 int err; 1242 u16 num_instreams, num_outstreams, x16; 1243 u32 x32; 1244 1245 err = hpi_adapter_get_info(asihpi->hpi->adapter->index, 1246 &num_outstreams, &num_instreams, 1247 &x16, &x32, &x16); 1248 1249 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device, 1250 num_outstreams, num_instreams, &pcm); 1251 if (err < 0) 1252 return err; 1253 /* pointer to ops struct is stored, dont change ops afterwards! */ 1254 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1255 &snd_card_asihpi_playback_mmap_ops); 1256 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1257 &snd_card_asihpi_capture_mmap_ops); 1258 1259 pcm->private_data = asihpi; 1260 pcm->info_flags = 0; 1261 strcpy(pcm->name, "Asihpi PCM"); 1262 1263 /*? do we want to emulate MMAP for non-BBM cards? 1264 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */ 1265 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1266 snd_dma_pci_data(asihpi->pci), 1267 64*1024, BUFFER_BYTES_MAX); 1268 1269 return 0; 1270 } 1271 1272 /***************************** MIXER CONTROLS ****************/ 1273 struct hpi_control { 1274 u32 h_control; 1275 u16 control_type; 1276 u16 src_node_type; 1277 u16 src_node_index; 1278 u16 dst_node_type; 1279 u16 dst_node_index; 1280 u16 band; 1281 char name[44]; /* copied to snd_ctl_elem_id.name[44]; */ 1282 }; 1283 1284 static const char * const asihpi_tuner_band_names[] = { 1285 "invalid", 1286 "AM", 1287 "FM mono", 1288 "TV NTSC-M", 1289 "FM stereo", 1290 "AUX", 1291 "TV PAL BG", 1292 "TV PAL I", 1293 "TV PAL DK", 1294 "TV SECAM", 1295 }; 1296 1297 compile_time_assert( 1298 (ARRAY_SIZE(asihpi_tuner_band_names) == 1299 (HPI_TUNER_BAND_LAST+1)), 1300 assert_tuner_band_names_size); 1301 1302 static const char * const asihpi_src_names[] = { 1303 "no source", 1304 "PCM", 1305 "Line", 1306 "Digital", 1307 "Tuner", 1308 "RF", 1309 "Clock", 1310 "Bitstream", 1311 "Mic", 1312 "Net", 1313 "Analog", 1314 "Adapter", 1315 "RTP", 1316 "Internal" 1317 }; 1318 1319 compile_time_assert( 1320 (ARRAY_SIZE(asihpi_src_names) == 1321 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)), 1322 assert_src_names_size); 1323 1324 static const char * const asihpi_dst_names[] = { 1325 "no destination", 1326 "PCM", 1327 "Line", 1328 "Digital", 1329 "RF", 1330 "Speaker", 1331 "Net", 1332 "Analog", 1333 "RTP", 1334 }; 1335 1336 compile_time_assert( 1337 (ARRAY_SIZE(asihpi_dst_names) == 1338 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)), 1339 assert_dst_names_size); 1340 1341 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl, 1342 struct snd_card_asihpi *asihpi) 1343 { 1344 int err; 1345 1346 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi)); 1347 if (err < 0) 1348 return err; 1349 else if (mixer_dump) 1350 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index); 1351 1352 return 0; 1353 } 1354 1355 /* Convert HPI control name and location into ALSA control name */ 1356 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control, 1357 struct hpi_control *hpi_ctl, 1358 char *name) 1359 { 1360 char *dir; 1361 memset(snd_control, 0, sizeof(*snd_control)); 1362 snd_control->name = hpi_ctl->name; 1363 snd_control->private_value = hpi_ctl->h_control; 1364 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1365 snd_control->index = 0; 1366 1367 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE) 1368 dir = ""; /* clock is neither capture nor playback */ 1369 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM) 1370 dir = "Capture "; /* On or towards a PCM capture destination*/ 1371 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && 1372 (!hpi_ctl->dst_node_type)) 1373 dir = "Capture "; /* On a source node that is not PCM playback */ 1374 else if (hpi_ctl->src_node_type && 1375 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && 1376 (hpi_ctl->dst_node_type)) 1377 dir = "Monitor Playback "; /* Between an input and an output */ 1378 else 1379 dir = "Playback "; /* PCM Playback source, or output node */ 1380 1381 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type) 1382 sprintf(hpi_ctl->name, "%s %d %s %d %s%s", 1383 asihpi_src_names[hpi_ctl->src_node_type], 1384 hpi_ctl->src_node_index, 1385 asihpi_dst_names[hpi_ctl->dst_node_type], 1386 hpi_ctl->dst_node_index, 1387 dir, name); 1388 else if (hpi_ctl->dst_node_type) { 1389 sprintf(hpi_ctl->name, "%s %d %s%s", 1390 asihpi_dst_names[hpi_ctl->dst_node_type], 1391 hpi_ctl->dst_node_index, 1392 dir, name); 1393 } else { 1394 sprintf(hpi_ctl->name, "%s %d %s%s", 1395 asihpi_src_names[hpi_ctl->src_node_type], 1396 hpi_ctl->src_node_index, 1397 dir, name); 1398 } 1399 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name, 1400 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */ 1401 } 1402 1403 /*------------------------------------------------------------ 1404 Volume controls 1405 ------------------------------------------------------------*/ 1406 #define VOL_STEP_mB 1 1407 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol, 1408 struct snd_ctl_elem_info *uinfo) 1409 { 1410 u32 h_control = kcontrol->private_value; 1411 u32 count; 1412 u16 err; 1413 /* native gains are in millibels */ 1414 short min_gain_mB; 1415 short max_gain_mB; 1416 short step_gain_mB; 1417 1418 err = hpi_volume_query_range(h_control, 1419 &min_gain_mB, &max_gain_mB, &step_gain_mB); 1420 if (err) { 1421 max_gain_mB = 0; 1422 min_gain_mB = -10000; 1423 step_gain_mB = VOL_STEP_mB; 1424 } 1425 1426 err = hpi_meter_query_channels(h_control, &count); 1427 if (err) 1428 count = HPI_MAX_CHANNELS; 1429 1430 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1431 uinfo->count = count; 1432 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB; 1433 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB; 1434 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB; 1435 return 0; 1436 } 1437 1438 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol, 1439 struct snd_ctl_elem_value *ucontrol) 1440 { 1441 u32 h_control = kcontrol->private_value; 1442 short an_gain_mB[HPI_MAX_CHANNELS]; 1443 1444 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB)); 1445 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB; 1446 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB; 1447 1448 return 0; 1449 } 1450 1451 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol, 1452 struct snd_ctl_elem_value *ucontrol) 1453 { 1454 int change; 1455 u32 h_control = kcontrol->private_value; 1456 short an_gain_mB[HPI_MAX_CHANNELS]; 1457 1458 an_gain_mB[0] = 1459 (ucontrol->value.integer.value[0]) * VOL_STEP_mB; 1460 an_gain_mB[1] = 1461 (ucontrol->value.integer.value[1]) * VOL_STEP_mB; 1462 /* change = asihpi->mixer_volume[addr][0] != left || 1463 asihpi->mixer_volume[addr][1] != right; 1464 */ 1465 change = 1; 1466 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB)); 1467 return change; 1468 } 1469 1470 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0); 1471 1472 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info 1473 1474 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol, 1475 struct snd_ctl_elem_value *ucontrol) 1476 { 1477 u32 h_control = kcontrol->private_value; 1478 u32 mute; 1479 1480 hpi_handle_error(hpi_volume_get_mute(h_control, &mute)); 1481 ucontrol->value.integer.value[0] = mute ? 0 : 1; 1482 1483 return 0; 1484 } 1485 1486 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol, 1487 struct snd_ctl_elem_value *ucontrol) 1488 { 1489 u32 h_control = kcontrol->private_value; 1490 int change = 1; 1491 /* HPI currently only supports all or none muting of multichannel volume 1492 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted 1493 */ 1494 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS; 1495 hpi_handle_error(hpi_volume_set_mute(h_control, mute)); 1496 return change; 1497 } 1498 1499 static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi, 1500 struct hpi_control *hpi_ctl) 1501 { 1502 struct snd_card *card = asihpi->card; 1503 struct snd_kcontrol_new snd_control; 1504 int err; 1505 u32 mute; 1506 1507 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume"); 1508 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1509 SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1510 snd_control.info = snd_asihpi_volume_info; 1511 snd_control.get = snd_asihpi_volume_get; 1512 snd_control.put = snd_asihpi_volume_put; 1513 snd_control.tlv.p = db_scale_100; 1514 1515 err = ctl_add(card, &snd_control, asihpi); 1516 if (err) 1517 return err; 1518 1519 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) { 1520 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch"); 1521 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1522 snd_control.info = snd_asihpi_volume_mute_info; 1523 snd_control.get = snd_asihpi_volume_mute_get; 1524 snd_control.put = snd_asihpi_volume_mute_put; 1525 err = ctl_add(card, &snd_control, asihpi); 1526 } 1527 return err; 1528 } 1529 1530 /*------------------------------------------------------------ 1531 Level controls 1532 ------------------------------------------------------------*/ 1533 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol, 1534 struct snd_ctl_elem_info *uinfo) 1535 { 1536 u32 h_control = kcontrol->private_value; 1537 u16 err; 1538 short min_gain_mB; 1539 short max_gain_mB; 1540 short step_gain_mB; 1541 1542 err = 1543 hpi_level_query_range(h_control, &min_gain_mB, 1544 &max_gain_mB, &step_gain_mB); 1545 if (err) { 1546 max_gain_mB = 2400; 1547 min_gain_mB = -1000; 1548 step_gain_mB = 100; 1549 } 1550 1551 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1552 uinfo->count = 2; 1553 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB; 1554 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB; 1555 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB; 1556 return 0; 1557 } 1558 1559 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol, 1560 struct snd_ctl_elem_value *ucontrol) 1561 { 1562 u32 h_control = kcontrol->private_value; 1563 short an_gain_mB[HPI_MAX_CHANNELS]; 1564 1565 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB)); 1566 ucontrol->value.integer.value[0] = 1567 an_gain_mB[0] / HPI_UNITS_PER_dB; 1568 ucontrol->value.integer.value[1] = 1569 an_gain_mB[1] / HPI_UNITS_PER_dB; 1570 1571 return 0; 1572 } 1573 1574 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol, 1575 struct snd_ctl_elem_value *ucontrol) 1576 { 1577 int change; 1578 u32 h_control = kcontrol->private_value; 1579 short an_gain_mB[HPI_MAX_CHANNELS]; 1580 1581 an_gain_mB[0] = 1582 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; 1583 an_gain_mB[1] = 1584 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB; 1585 /* change = asihpi->mixer_level[addr][0] != left || 1586 asihpi->mixer_level[addr][1] != right; 1587 */ 1588 change = 1; 1589 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB)); 1590 return change; 1591 } 1592 1593 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0); 1594 1595 static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi, 1596 struct hpi_control *hpi_ctl) 1597 { 1598 struct snd_card *card = asihpi->card; 1599 struct snd_kcontrol_new snd_control; 1600 1601 /* can't use 'volume' cos some nodes have volume as well */ 1602 asihpi_ctl_init(&snd_control, hpi_ctl, "Level"); 1603 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1604 SNDRV_CTL_ELEM_ACCESS_TLV_READ; 1605 snd_control.info = snd_asihpi_level_info; 1606 snd_control.get = snd_asihpi_level_get; 1607 snd_control.put = snd_asihpi_level_put; 1608 snd_control.tlv.p = db_scale_level; 1609 1610 return ctl_add(card, &snd_control, asihpi); 1611 } 1612 1613 /*------------------------------------------------------------ 1614 AESEBU controls 1615 ------------------------------------------------------------*/ 1616 1617 /* AESEBU format */ 1618 static const char * const asihpi_aesebu_format_names[] = { 1619 "N/A", "S/PDIF", "AES/EBU" }; 1620 1621 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol, 1622 struct snd_ctl_elem_info *uinfo) 1623 { 1624 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1625 uinfo->count = 1; 1626 uinfo->value.enumerated.items = 3; 1627 1628 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 1629 uinfo->value.enumerated.item = 1630 uinfo->value.enumerated.items - 1; 1631 1632 strcpy(uinfo->value.enumerated.name, 1633 asihpi_aesebu_format_names[uinfo->value.enumerated.item]); 1634 1635 return 0; 1636 } 1637 1638 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol, 1639 struct snd_ctl_elem_value *ucontrol, 1640 u16 (*func)(u32, u16 *)) 1641 { 1642 u32 h_control = kcontrol->private_value; 1643 u16 source, err; 1644 1645 err = func(h_control, &source); 1646 1647 /* default to N/A */ 1648 ucontrol->value.enumerated.item[0] = 0; 1649 /* return success but set the control to N/A */ 1650 if (err) 1651 return 0; 1652 if (source == HPI_AESEBU_FORMAT_SPDIF) 1653 ucontrol->value.enumerated.item[0] = 1; 1654 if (source == HPI_AESEBU_FORMAT_AESEBU) 1655 ucontrol->value.enumerated.item[0] = 2; 1656 1657 return 0; 1658 } 1659 1660 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol, 1661 struct snd_ctl_elem_value *ucontrol, 1662 u16 (*func)(u32, u16)) 1663 { 1664 u32 h_control = kcontrol->private_value; 1665 1666 /* default to S/PDIF */ 1667 u16 source = HPI_AESEBU_FORMAT_SPDIF; 1668 1669 if (ucontrol->value.enumerated.item[0] == 1) 1670 source = HPI_AESEBU_FORMAT_SPDIF; 1671 if (ucontrol->value.enumerated.item[0] == 2) 1672 source = HPI_AESEBU_FORMAT_AESEBU; 1673 1674 if (func(h_control, source) != 0) 1675 return -EINVAL; 1676 1677 return 1; 1678 } 1679 1680 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol, 1681 struct snd_ctl_elem_value *ucontrol) { 1682 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, 1683 hpi_aesebu_receiver_get_format); 1684 } 1685 1686 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol, 1687 struct snd_ctl_elem_value *ucontrol) { 1688 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, 1689 hpi_aesebu_receiver_set_format); 1690 } 1691 1692 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol, 1693 struct snd_ctl_elem_info *uinfo) 1694 { 1695 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1696 uinfo->count = 1; 1697 1698 uinfo->value.integer.min = 0; 1699 uinfo->value.integer.max = 0X1F; 1700 uinfo->value.integer.step = 1; 1701 1702 return 0; 1703 } 1704 1705 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol, 1706 struct snd_ctl_elem_value *ucontrol) { 1707 1708 u32 h_control = kcontrol->private_value; 1709 u16 status; 1710 1711 hpi_handle_error(hpi_aesebu_receiver_get_error_status( 1712 h_control, &status)); 1713 ucontrol->value.integer.value[0] = status; 1714 return 0; 1715 } 1716 1717 static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi, 1718 struct hpi_control *hpi_ctl) 1719 { 1720 struct snd_card *card = asihpi->card; 1721 struct snd_kcontrol_new snd_control; 1722 1723 asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); 1724 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1725 snd_control.info = snd_asihpi_aesebu_format_info; 1726 snd_control.get = snd_asihpi_aesebu_rx_format_get; 1727 snd_control.put = snd_asihpi_aesebu_rx_format_put; 1728 1729 1730 if (ctl_add(card, &snd_control, asihpi) < 0) 1731 return -EINVAL; 1732 1733 asihpi_ctl_init(&snd_control, hpi_ctl, "Status"); 1734 snd_control.access = 1735 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 1736 snd_control.info = snd_asihpi_aesebu_rxstatus_info; 1737 snd_control.get = snd_asihpi_aesebu_rxstatus_get; 1738 1739 return ctl_add(card, &snd_control, asihpi); 1740 } 1741 1742 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol, 1743 struct snd_ctl_elem_value *ucontrol) { 1744 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol, 1745 hpi_aesebu_transmitter_get_format); 1746 } 1747 1748 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol, 1749 struct snd_ctl_elem_value *ucontrol) { 1750 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol, 1751 hpi_aesebu_transmitter_set_format); 1752 } 1753 1754 1755 static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi, 1756 struct hpi_control *hpi_ctl) 1757 { 1758 struct snd_card *card = asihpi->card; 1759 struct snd_kcontrol_new snd_control; 1760 1761 asihpi_ctl_init(&snd_control, hpi_ctl, "Format"); 1762 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 1763 snd_control.info = snd_asihpi_aesebu_format_info; 1764 snd_control.get = snd_asihpi_aesebu_tx_format_get; 1765 snd_control.put = snd_asihpi_aesebu_tx_format_put; 1766 1767 return ctl_add(card, &snd_control, asihpi); 1768 } 1769 1770 /*------------------------------------------------------------ 1771 Tuner controls 1772 ------------------------------------------------------------*/ 1773 1774 /* Gain */ 1775 1776 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol, 1777 struct snd_ctl_elem_info *uinfo) 1778 { 1779 u32 h_control = kcontrol->private_value; 1780 u16 err; 1781 short idx; 1782 u16 gain_range[3]; 1783 1784 for (idx = 0; idx < 3; idx++) { 1785 err = hpi_tuner_query_gain(h_control, 1786 idx, &gain_range[idx]); 1787 if (err != 0) 1788 return err; 1789 } 1790 1791 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1792 uinfo->count = 1; 1793 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB; 1794 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB; 1795 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB; 1796 return 0; 1797 } 1798 1799 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol, 1800 struct snd_ctl_elem_value *ucontrol) 1801 { 1802 /* 1803 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1804 */ 1805 u32 h_control = kcontrol->private_value; 1806 short gain; 1807 1808 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain)); 1809 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB; 1810 1811 return 0; 1812 } 1813 1814 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol, 1815 struct snd_ctl_elem_value *ucontrol) 1816 { 1817 /* 1818 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1819 */ 1820 u32 h_control = kcontrol->private_value; 1821 short gain; 1822 1823 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB; 1824 hpi_handle_error(hpi_tuner_set_gain(h_control, gain)); 1825 1826 return 1; 1827 } 1828 1829 /* Band */ 1830 1831 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol, 1832 u16 *band_list, u32 len) { 1833 u32 h_control = kcontrol->private_value; 1834 u16 err = 0; 1835 u32 i; 1836 1837 for (i = 0; i < len; i++) { 1838 err = hpi_tuner_query_band( 1839 h_control, i, &band_list[i]); 1840 if (err != 0) 1841 break; 1842 } 1843 1844 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX)) 1845 return -EIO; 1846 1847 return i; 1848 } 1849 1850 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol, 1851 struct snd_ctl_elem_info *uinfo) 1852 { 1853 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1854 int num_bands = 0; 1855 1856 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1857 HPI_TUNER_BAND_LAST); 1858 1859 if (num_bands < 0) 1860 return num_bands; 1861 1862 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1863 uinfo->count = 1; 1864 uinfo->value.enumerated.items = num_bands; 1865 1866 if (num_bands > 0) { 1867 if (uinfo->value.enumerated.item >= 1868 uinfo->value.enumerated.items) 1869 uinfo->value.enumerated.item = 1870 uinfo->value.enumerated.items - 1; 1871 1872 strcpy(uinfo->value.enumerated.name, 1873 asihpi_tuner_band_names[ 1874 tuner_bands[uinfo->value.enumerated.item]]); 1875 1876 } 1877 return 0; 1878 } 1879 1880 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol, 1881 struct snd_ctl_elem_value *ucontrol) 1882 { 1883 u32 h_control = kcontrol->private_value; 1884 /* 1885 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1886 */ 1887 u16 band, idx; 1888 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1889 u32 num_bands = 0; 1890 1891 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1892 HPI_TUNER_BAND_LAST); 1893 1894 hpi_handle_error(hpi_tuner_get_band(h_control, &band)); 1895 1896 ucontrol->value.enumerated.item[0] = -1; 1897 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++) 1898 if (tuner_bands[idx] == band) { 1899 ucontrol->value.enumerated.item[0] = idx; 1900 break; 1901 } 1902 1903 return 0; 1904 } 1905 1906 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol, 1907 struct snd_ctl_elem_value *ucontrol) 1908 { 1909 /* 1910 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol); 1911 */ 1912 u32 h_control = kcontrol->private_value; 1913 u16 band; 1914 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1915 u32 num_bands = 0; 1916 1917 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1918 HPI_TUNER_BAND_LAST); 1919 1920 band = tuner_bands[ucontrol->value.enumerated.item[0]]; 1921 hpi_handle_error(hpi_tuner_set_band(h_control, band)); 1922 1923 return 1; 1924 } 1925 1926 /* Freq */ 1927 1928 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol, 1929 struct snd_ctl_elem_info *uinfo) 1930 { 1931 u32 h_control = kcontrol->private_value; 1932 u16 err; 1933 u16 tuner_bands[HPI_TUNER_BAND_LAST]; 1934 u16 num_bands = 0, band_iter, idx; 1935 u32 freq_range[3], temp_freq_range[3]; 1936 1937 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands, 1938 HPI_TUNER_BAND_LAST); 1939 1940 freq_range[0] = INT_MAX; 1941 freq_range[1] = 0; 1942 freq_range[2] = INT_MAX; 1943 1944 for (band_iter = 0; band_iter < num_bands; band_iter++) { 1945 for (idx = 0; idx < 3; idx++) { 1946 err = hpi_tuner_query_frequency(h_control, 1947 idx, tuner_bands[band_iter], 1948 &temp_freq_range[idx]); 1949 if (err != 0) 1950 return err; 1951 } 1952 1953 /* skip band with bogus stepping */ 1954 if (temp_freq_range[2] <= 0) 1955 continue; 1956 1957 if (temp_freq_range[0] < freq_range[0]) 1958 freq_range[0] = temp_freq_range[0]; 1959 if (temp_freq_range[1] > freq_range[1]) 1960 freq_range[1] = temp_freq_range[1]; 1961 if (temp_freq_range[2] < freq_range[2]) 1962 freq_range[2] = temp_freq_range[2]; 1963 } 1964 1965 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1966 uinfo->count = 1; 1967 uinfo->value.integer.min = ((int)freq_range[0]); 1968 uinfo->value.integer.max = ((int)freq_range[1]); 1969 uinfo->value.integer.step = ((int)freq_range[2]); 1970 return 0; 1971 } 1972 1973 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol, 1974 struct snd_ctl_elem_value *ucontrol) 1975 { 1976 u32 h_control = kcontrol->private_value; 1977 u32 freq; 1978 1979 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq)); 1980 ucontrol->value.integer.value[0] = freq; 1981 1982 return 0; 1983 } 1984 1985 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol, 1986 struct snd_ctl_elem_value *ucontrol) 1987 { 1988 u32 h_control = kcontrol->private_value; 1989 u32 freq; 1990 1991 freq = ucontrol->value.integer.value[0]; 1992 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq)); 1993 1994 return 1; 1995 } 1996 1997 /* Tuner control group initializer */ 1998 static int snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi, 1999 struct hpi_control *hpi_ctl) 2000 { 2001 struct snd_card *card = asihpi->card; 2002 struct snd_kcontrol_new snd_control; 2003 2004 snd_control.private_value = hpi_ctl->h_control; 2005 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2006 2007 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) { 2008 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain"); 2009 snd_control.info = snd_asihpi_tuner_gain_info; 2010 snd_control.get = snd_asihpi_tuner_gain_get; 2011 snd_control.put = snd_asihpi_tuner_gain_put; 2012 2013 if (ctl_add(card, &snd_control, asihpi) < 0) 2014 return -EINVAL; 2015 } 2016 2017 asihpi_ctl_init(&snd_control, hpi_ctl, "Band"); 2018 snd_control.info = snd_asihpi_tuner_band_info; 2019 snd_control.get = snd_asihpi_tuner_band_get; 2020 snd_control.put = snd_asihpi_tuner_band_put; 2021 2022 if (ctl_add(card, &snd_control, asihpi) < 0) 2023 return -EINVAL; 2024 2025 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq"); 2026 snd_control.info = snd_asihpi_tuner_freq_info; 2027 snd_control.get = snd_asihpi_tuner_freq_get; 2028 snd_control.put = snd_asihpi_tuner_freq_put; 2029 2030 return ctl_add(card, &snd_control, asihpi); 2031 } 2032 2033 /*------------------------------------------------------------ 2034 Meter controls 2035 ------------------------------------------------------------*/ 2036 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol, 2037 struct snd_ctl_elem_info *uinfo) 2038 { 2039 u32 h_control = kcontrol->private_value; 2040 u32 count; 2041 u16 err; 2042 err = hpi_meter_query_channels(h_control, &count); 2043 if (err) 2044 count = HPI_MAX_CHANNELS; 2045 2046 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2047 uinfo->count = count; 2048 uinfo->value.integer.min = 0; 2049 uinfo->value.integer.max = 0x7FFFFFFF; 2050 return 0; 2051 } 2052 2053 /* linear values for 10dB steps */ 2054 static int log2lin[] = { 2055 0x7FFFFFFF, /* 0dB */ 2056 679093956, 2057 214748365, 2058 67909396, 2059 21474837, 2060 6790940, 2061 2147484, /* -60dB */ 2062 679094, 2063 214748, /* -80 */ 2064 67909, 2065 21475, /* -100 */ 2066 6791, 2067 2147, 2068 679, 2069 214, 2070 68, 2071 21, 2072 7, 2073 2 2074 }; 2075 2076 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol, 2077 struct snd_ctl_elem_value *ucontrol) 2078 { 2079 u32 h_control = kcontrol->private_value; 2080 short an_gain_mB[HPI_MAX_CHANNELS], i; 2081 u16 err; 2082 2083 err = hpi_meter_get_peak(h_control, an_gain_mB); 2084 2085 for (i = 0; i < HPI_MAX_CHANNELS; i++) { 2086 if (err) { 2087 ucontrol->value.integer.value[i] = 0; 2088 } else if (an_gain_mB[i] >= 0) { 2089 ucontrol->value.integer.value[i] = 2090 an_gain_mB[i] << 16; 2091 } else { 2092 /* -ve is log value in millibels < -60dB, 2093 * convert to (roughly!) linear, 2094 */ 2095 ucontrol->value.integer.value[i] = 2096 log2lin[an_gain_mB[i] / -1000]; 2097 } 2098 } 2099 return 0; 2100 } 2101 2102 static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi, 2103 struct hpi_control *hpi_ctl, int subidx) 2104 { 2105 struct snd_card *card = asihpi->card; 2106 struct snd_kcontrol_new snd_control; 2107 2108 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter"); 2109 snd_control.access = 2110 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 2111 snd_control.info = snd_asihpi_meter_info; 2112 snd_control.get = snd_asihpi_meter_get; 2113 2114 snd_control.index = subidx; 2115 2116 return ctl_add(card, &snd_control, asihpi); 2117 } 2118 2119 /*------------------------------------------------------------ 2120 Multiplexer controls 2121 ------------------------------------------------------------*/ 2122 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control) 2123 { 2124 u32 h_control = snd_control->private_value; 2125 struct hpi_control hpi_ctl; 2126 int s, err; 2127 for (s = 0; s < 32; s++) { 2128 err = hpi_multiplexer_query_source(h_control, s, 2129 &hpi_ctl. 2130 src_node_type, 2131 &hpi_ctl. 2132 src_node_index); 2133 if (err) 2134 break; 2135 } 2136 return s; 2137 } 2138 2139 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol, 2140 struct snd_ctl_elem_info *uinfo) 2141 { 2142 int err; 2143 u16 src_node_type, src_node_index; 2144 u32 h_control = kcontrol->private_value; 2145 2146 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 2147 uinfo->count = 1; 2148 uinfo->value.enumerated.items = 2149 snd_card_asihpi_mux_count_sources(kcontrol); 2150 2151 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 2152 uinfo->value.enumerated.item = 2153 uinfo->value.enumerated.items - 1; 2154 2155 err = 2156 hpi_multiplexer_query_source(h_control, 2157 uinfo->value.enumerated.item, 2158 &src_node_type, &src_node_index); 2159 2160 sprintf(uinfo->value.enumerated.name, "%s %d", 2161 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE], 2162 src_node_index); 2163 return 0; 2164 } 2165 2166 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol, 2167 struct snd_ctl_elem_value *ucontrol) 2168 { 2169 u32 h_control = kcontrol->private_value; 2170 u16 source_type, source_index; 2171 u16 src_node_type, src_node_index; 2172 int s; 2173 2174 hpi_handle_error(hpi_multiplexer_get_source(h_control, 2175 &source_type, &source_index)); 2176 /* Should cache this search result! */ 2177 for (s = 0; s < 256; s++) { 2178 if (hpi_multiplexer_query_source(h_control, s, 2179 &src_node_type, &src_node_index)) 2180 break; 2181 2182 if ((source_type == src_node_type) 2183 && (source_index == src_node_index)) { 2184 ucontrol->value.enumerated.item[0] = s; 2185 return 0; 2186 } 2187 } 2188 snd_printd(KERN_WARNING 2189 "Control %x failed to match mux source %hu %hu\n", 2190 h_control, source_type, source_index); 2191 ucontrol->value.enumerated.item[0] = 0; 2192 return 0; 2193 } 2194 2195 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol, 2196 struct snd_ctl_elem_value *ucontrol) 2197 { 2198 int change; 2199 u32 h_control = kcontrol->private_value; 2200 u16 source_type, source_index; 2201 u16 e; 2202 2203 change = 1; 2204 2205 e = hpi_multiplexer_query_source(h_control, 2206 ucontrol->value.enumerated.item[0], 2207 &source_type, &source_index); 2208 if (!e) 2209 hpi_handle_error( 2210 hpi_multiplexer_set_source(h_control, 2211 source_type, source_index)); 2212 return change; 2213 } 2214 2215 2216 static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi, 2217 struct hpi_control *hpi_ctl) 2218 { 2219 struct snd_card *card = asihpi->card; 2220 struct snd_kcontrol_new snd_control; 2221 2222 asihpi_ctl_init(&snd_control, hpi_ctl, "Route"); 2223 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2224 snd_control.info = snd_asihpi_mux_info; 2225 snd_control.get = snd_asihpi_mux_get; 2226 snd_control.put = snd_asihpi_mux_put; 2227 2228 return ctl_add(card, &snd_control, asihpi); 2229 2230 } 2231 2232 /*------------------------------------------------------------ 2233 Channel mode controls 2234 ------------------------------------------------------------*/ 2235 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol, 2236 struct snd_ctl_elem_info *uinfo) 2237 { 2238 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = { 2239 "invalid", 2240 "Normal", "Swap", 2241 "From Left", "From Right", 2242 "To Left", "To Right" 2243 }; 2244 2245 u32 h_control = kcontrol->private_value; 2246 u16 mode; 2247 int i; 2248 u16 mode_map[6]; 2249 int valid_modes = 0; 2250 2251 /* HPI channel mode values can be from 1 to 6 2252 Some adapters only support a contiguous subset 2253 */ 2254 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++) 2255 if (!hpi_channel_mode_query_mode( 2256 h_control, i, &mode)) { 2257 mode_map[valid_modes] = mode; 2258 valid_modes++; 2259 } 2260 2261 if (!valid_modes) 2262 return -EINVAL; 2263 2264 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 2265 uinfo->count = 1; 2266 uinfo->value.enumerated.items = valid_modes; 2267 2268 if (uinfo->value.enumerated.item >= valid_modes) 2269 uinfo->value.enumerated.item = valid_modes - 1; 2270 2271 strcpy(uinfo->value.enumerated.name, 2272 mode_names[mode_map[uinfo->value.enumerated.item]]); 2273 2274 return 0; 2275 } 2276 2277 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol, 2278 struct snd_ctl_elem_value *ucontrol) 2279 { 2280 u32 h_control = kcontrol->private_value; 2281 u16 mode; 2282 2283 if (hpi_channel_mode_get(h_control, &mode)) 2284 mode = 1; 2285 2286 ucontrol->value.enumerated.item[0] = mode - 1; 2287 2288 return 0; 2289 } 2290 2291 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol, 2292 struct snd_ctl_elem_value *ucontrol) 2293 { 2294 int change; 2295 u32 h_control = kcontrol->private_value; 2296 2297 change = 1; 2298 2299 hpi_handle_error(hpi_channel_mode_set(h_control, 2300 ucontrol->value.enumerated.item[0] + 1)); 2301 return change; 2302 } 2303 2304 2305 static int snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi, 2306 struct hpi_control *hpi_ctl) 2307 { 2308 struct snd_card *card = asihpi->card; 2309 struct snd_kcontrol_new snd_control; 2310 2311 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode"); 2312 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; 2313 snd_control.info = snd_asihpi_cmode_info; 2314 snd_control.get = snd_asihpi_cmode_get; 2315 snd_control.put = snd_asihpi_cmode_put; 2316 2317 return ctl_add(card, &snd_control, asihpi); 2318 } 2319 2320 /*------------------------------------------------------------ 2321 Sampleclock source controls 2322 ------------------------------------------------------------*/ 2323 static char *sampleclock_sources[MAX_CLOCKSOURCES] = { 2324 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header", 2325 "SMPTE", "Digital1", "Auto", "Network", "Invalid", 2326 "Prev Module", 2327 "Digital2", "Digital3", "Digital4", "Digital5", 2328 "Digital6", "Digital7", "Digital8"}; 2329 2330 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol, 2331 struct snd_ctl_elem_info *uinfo) 2332 { 2333 struct snd_card_asihpi *asihpi = 2334 (struct snd_card_asihpi *)(kcontrol->private_data); 2335 struct clk_cache *clkcache = &asihpi->cc; 2336 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 2337 uinfo->count = 1; 2338 uinfo->value.enumerated.items = clkcache->count; 2339 2340 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) 2341 uinfo->value.enumerated.item = 2342 uinfo->value.enumerated.items - 1; 2343 2344 strcpy(uinfo->value.enumerated.name, 2345 clkcache->s[uinfo->value.enumerated.item].name); 2346 return 0; 2347 } 2348 2349 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol, 2350 struct snd_ctl_elem_value *ucontrol) 2351 { 2352 struct snd_card_asihpi *asihpi = 2353 (struct snd_card_asihpi *)(kcontrol->private_data); 2354 struct clk_cache *clkcache = &asihpi->cc; 2355 u32 h_control = kcontrol->private_value; 2356 u16 source, srcindex = 0; 2357 int i; 2358 2359 ucontrol->value.enumerated.item[0] = 0; 2360 if (hpi_sample_clock_get_source(h_control, &source)) 2361 source = 0; 2362 2363 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2364 if (hpi_sample_clock_get_source_index(h_control, &srcindex)) 2365 srcindex = 0; 2366 2367 for (i = 0; i < clkcache->count; i++) 2368 if ((clkcache->s[i].source == source) && 2369 (clkcache->s[i].index == srcindex)) 2370 break; 2371 2372 ucontrol->value.enumerated.item[0] = i; 2373 2374 return 0; 2375 } 2376 2377 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol, 2378 struct snd_ctl_elem_value *ucontrol) 2379 { 2380 struct snd_card_asihpi *asihpi = 2381 (struct snd_card_asihpi *)(kcontrol->private_data); 2382 struct clk_cache *clkcache = &asihpi->cc; 2383 int change, item; 2384 u32 h_control = kcontrol->private_value; 2385 2386 change = 1; 2387 item = ucontrol->value.enumerated.item[0]; 2388 if (item >= clkcache->count) 2389 item = clkcache->count-1; 2390 2391 hpi_handle_error(hpi_sample_clock_set_source( 2392 h_control, clkcache->s[item].source)); 2393 2394 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2395 hpi_handle_error(hpi_sample_clock_set_source_index( 2396 h_control, clkcache->s[item].index)); 2397 return change; 2398 } 2399 2400 /*------------------------------------------------------------ 2401 Clkrate controls 2402 ------------------------------------------------------------*/ 2403 /* Need to change this to enumerated control with list of rates */ 2404 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol, 2405 struct snd_ctl_elem_info *uinfo) 2406 { 2407 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2408 uinfo->count = 1; 2409 uinfo->value.integer.min = 8000; 2410 uinfo->value.integer.max = 192000; 2411 uinfo->value.integer.step = 100; 2412 2413 return 0; 2414 } 2415 2416 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol, 2417 struct snd_ctl_elem_value *ucontrol) 2418 { 2419 u32 h_control = kcontrol->private_value; 2420 u32 rate; 2421 u16 e; 2422 2423 e = hpi_sample_clock_get_local_rate(h_control, &rate); 2424 if (!e) 2425 ucontrol->value.integer.value[0] = rate; 2426 else 2427 ucontrol->value.integer.value[0] = 0; 2428 return 0; 2429 } 2430 2431 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol, 2432 struct snd_ctl_elem_value *ucontrol) 2433 { 2434 int change; 2435 u32 h_control = kcontrol->private_value; 2436 2437 /* change = asihpi->mixer_clkrate[addr][0] != left || 2438 asihpi->mixer_clkrate[addr][1] != right; 2439 */ 2440 change = 1; 2441 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control, 2442 ucontrol->value.integer.value[0])); 2443 return change; 2444 } 2445 2446 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol, 2447 struct snd_ctl_elem_info *uinfo) 2448 { 2449 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 2450 uinfo->count = 1; 2451 uinfo->value.integer.min = 8000; 2452 uinfo->value.integer.max = 192000; 2453 uinfo->value.integer.step = 100; 2454 2455 return 0; 2456 } 2457 2458 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol, 2459 struct snd_ctl_elem_value *ucontrol) 2460 { 2461 u32 h_control = kcontrol->private_value; 2462 u32 rate; 2463 u16 e; 2464 2465 e = hpi_sample_clock_get_sample_rate(h_control, &rate); 2466 if (!e) 2467 ucontrol->value.integer.value[0] = rate; 2468 else 2469 ucontrol->value.integer.value[0] = 0; 2470 return 0; 2471 } 2472 2473 static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi, 2474 struct hpi_control *hpi_ctl) 2475 { 2476 struct snd_card *card = asihpi->card; 2477 struct snd_kcontrol_new snd_control; 2478 2479 struct clk_cache *clkcache = &asihpi->cc; 2480 u32 hSC = hpi_ctl->h_control; 2481 int has_aes_in = 0; 2482 int i, j; 2483 u16 source; 2484 2485 snd_control.private_value = hpi_ctl->h_control; 2486 2487 clkcache->has_local = 0; 2488 2489 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) { 2490 if (hpi_sample_clock_query_source(hSC, 2491 i, &source)) 2492 break; 2493 clkcache->s[i].source = source; 2494 clkcache->s[i].index = 0; 2495 clkcache->s[i].name = sampleclock_sources[source]; 2496 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT) 2497 has_aes_in = 1; 2498 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL) 2499 clkcache->has_local = 1; 2500 } 2501 if (has_aes_in) 2502 /* already will have picked up index 0 above */ 2503 for (j = 1; j < 8; j++) { 2504 if (hpi_sample_clock_query_source_index(hSC, 2505 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT, 2506 &source)) 2507 break; 2508 clkcache->s[i].source = 2509 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT; 2510 clkcache->s[i].index = j; 2511 clkcache->s[i].name = sampleclock_sources[ 2512 j+HPI_SAMPLECLOCK_SOURCE_LAST]; 2513 i++; 2514 } 2515 clkcache->count = i; 2516 2517 asihpi_ctl_init(&snd_control, hpi_ctl, "Source"); 2518 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; 2519 snd_control.info = snd_asihpi_clksrc_info; 2520 snd_control.get = snd_asihpi_clksrc_get; 2521 snd_control.put = snd_asihpi_clksrc_put; 2522 if (ctl_add(card, &snd_control, asihpi) < 0) 2523 return -EINVAL; 2524 2525 2526 if (clkcache->has_local) { 2527 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate"); 2528 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ; 2529 snd_control.info = snd_asihpi_clklocal_info; 2530 snd_control.get = snd_asihpi_clklocal_get; 2531 snd_control.put = snd_asihpi_clklocal_put; 2532 2533 2534 if (ctl_add(card, &snd_control, asihpi) < 0) 2535 return -EINVAL; 2536 } 2537 2538 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate"); 2539 snd_control.access = 2540 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ; 2541 snd_control.info = snd_asihpi_clkrate_info; 2542 snd_control.get = snd_asihpi_clkrate_get; 2543 2544 return ctl_add(card, &snd_control, asihpi); 2545 } 2546 /*------------------------------------------------------------ 2547 Mixer 2548 ------------------------------------------------------------*/ 2549 2550 static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi) 2551 { 2552 struct snd_card *card = asihpi->card; 2553 unsigned int idx = 0; 2554 unsigned int subindex = 0; 2555 int err; 2556 struct hpi_control hpi_ctl, prev_ctl; 2557 2558 if (snd_BUG_ON(!asihpi)) 2559 return -EINVAL; 2560 strcpy(card->mixername, "Asihpi Mixer"); 2561 2562 err = 2563 hpi_mixer_open(asihpi->hpi->adapter->index, 2564 &asihpi->h_mixer); 2565 hpi_handle_error(err); 2566 if (err) 2567 return -err; 2568 2569 memset(&prev_ctl, 0, sizeof(prev_ctl)); 2570 prev_ctl.control_type = -1; 2571 2572 for (idx = 0; idx < 2000; idx++) { 2573 err = hpi_mixer_get_control_by_index( 2574 asihpi->h_mixer, 2575 idx, 2576 &hpi_ctl.src_node_type, 2577 &hpi_ctl.src_node_index, 2578 &hpi_ctl.dst_node_type, 2579 &hpi_ctl.dst_node_index, 2580 &hpi_ctl.control_type, 2581 &hpi_ctl.h_control); 2582 if (err) { 2583 if (err == HPI_ERROR_CONTROL_DISABLED) { 2584 if (mixer_dump) 2585 snd_printk(KERN_INFO 2586 "Disabled HPI Control(%d)\n", 2587 idx); 2588 continue; 2589 } else 2590 break; 2591 2592 } 2593 2594 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE; 2595 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE; 2596 2597 /* ASI50xx in SSX mode has multiple meters on the same node. 2598 Use subindex to create distinct ALSA controls 2599 for any duplicated controls. 2600 */ 2601 if ((hpi_ctl.control_type == prev_ctl.control_type) && 2602 (hpi_ctl.src_node_type == prev_ctl.src_node_type) && 2603 (hpi_ctl.src_node_index == prev_ctl.src_node_index) && 2604 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) && 2605 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index)) 2606 subindex++; 2607 else 2608 subindex = 0; 2609 2610 prev_ctl = hpi_ctl; 2611 2612 switch (hpi_ctl.control_type) { 2613 case HPI_CONTROL_VOLUME: 2614 err = snd_asihpi_volume_add(asihpi, &hpi_ctl); 2615 break; 2616 case HPI_CONTROL_LEVEL: 2617 err = snd_asihpi_level_add(asihpi, &hpi_ctl); 2618 break; 2619 case HPI_CONTROL_MULTIPLEXER: 2620 err = snd_asihpi_mux_add(asihpi, &hpi_ctl); 2621 break; 2622 case HPI_CONTROL_CHANNEL_MODE: 2623 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl); 2624 break; 2625 case HPI_CONTROL_METER: 2626 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex); 2627 break; 2628 case HPI_CONTROL_SAMPLECLOCK: 2629 err = snd_asihpi_sampleclock_add( 2630 asihpi, &hpi_ctl); 2631 break; 2632 case HPI_CONTROL_CONNECTION: /* ignore these */ 2633 continue; 2634 case HPI_CONTROL_TUNER: 2635 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl); 2636 break; 2637 case HPI_CONTROL_AESEBU_TRANSMITTER: 2638 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl); 2639 break; 2640 case HPI_CONTROL_AESEBU_RECEIVER: 2641 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl); 2642 break; 2643 case HPI_CONTROL_VOX: 2644 case HPI_CONTROL_BITSTREAM: 2645 case HPI_CONTROL_MICROPHONE: 2646 case HPI_CONTROL_PARAMETRIC_EQ: 2647 case HPI_CONTROL_COMPANDER: 2648 default: 2649 if (mixer_dump) 2650 snd_printk(KERN_INFO 2651 "Untranslated HPI Control" 2652 "(%d) %d %d %d %d %d\n", 2653 idx, 2654 hpi_ctl.control_type, 2655 hpi_ctl.src_node_type, 2656 hpi_ctl.src_node_index, 2657 hpi_ctl.dst_node_type, 2658 hpi_ctl.dst_node_index); 2659 continue; 2660 } 2661 if (err < 0) 2662 return err; 2663 } 2664 if (HPI_ERROR_INVALID_OBJ_INDEX != err) 2665 hpi_handle_error(err); 2666 2667 snd_printk(KERN_INFO "%d mixer controls found\n", idx); 2668 2669 return 0; 2670 } 2671 2672 /*------------------------------------------------------------ 2673 /proc interface 2674 ------------------------------------------------------------*/ 2675 2676 static void 2677 snd_asihpi_proc_read(struct snd_info_entry *entry, 2678 struct snd_info_buffer *buffer) 2679 { 2680 struct snd_card_asihpi *asihpi = entry->private_data; 2681 u32 h_control; 2682 u32 rate = 0; 2683 u16 source = 0; 2684 2685 u16 num_outstreams; 2686 u16 num_instreams; 2687 u16 version; 2688 u32 serial_number; 2689 u16 type; 2690 2691 int err; 2692 2693 snd_iprintf(buffer, "ASIHPI driver proc file\n"); 2694 2695 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index, 2696 &num_outstreams, &num_instreams, 2697 &version, &serial_number, &type)); 2698 2699 snd_iprintf(buffer, 2700 "Adapter type ASI%4X\nHardware Index %d\n" 2701 "%d outstreams\n%d instreams\n", 2702 type, asihpi->hpi->adapter->index, 2703 num_outstreams, num_instreams); 2704 2705 snd_iprintf(buffer, 2706 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n", 2707 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7, 2708 ((version >> 13) * 100) + ((version >> 7) & 0x3f)); 2709 2710 err = hpi_mixer_get_control(asihpi->h_mixer, 2711 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 2712 HPI_CONTROL_SAMPLECLOCK, &h_control); 2713 2714 if (!err) { 2715 err = hpi_sample_clock_get_sample_rate(h_control, &rate); 2716 err += hpi_sample_clock_get_source(h_control, &source); 2717 2718 if (!err) 2719 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n", 2720 rate, sampleclock_sources[source]); 2721 } 2722 } 2723 2724 static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi) 2725 { 2726 struct snd_info_entry *entry; 2727 2728 if (!snd_card_proc_new(asihpi->card, "info", &entry)) 2729 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read); 2730 } 2731 2732 /*------------------------------------------------------------ 2733 HWDEP 2734 ------------------------------------------------------------*/ 2735 2736 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file) 2737 { 2738 if (enable_hpi_hwdep) 2739 return 0; 2740 else 2741 return -ENODEV; 2742 2743 } 2744 2745 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file) 2746 { 2747 if (enable_hpi_hwdep) 2748 return asihpi_hpi_release(file); 2749 else 2750 return -ENODEV; 2751 } 2752 2753 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file, 2754 unsigned int cmd, unsigned long arg) 2755 { 2756 if (enable_hpi_hwdep) 2757 return asihpi_hpi_ioctl(file, cmd, arg); 2758 else 2759 return -ENODEV; 2760 } 2761 2762 2763 /* results in /dev/snd/hwC#D0 file for each card with index # 2764 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card' 2765 */ 2766 static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi, 2767 int device, struct snd_hwdep **rhwdep) 2768 { 2769 struct snd_hwdep *hw; 2770 int err; 2771 2772 if (rhwdep) 2773 *rhwdep = NULL; 2774 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw); 2775 if (err < 0) 2776 return err; 2777 strcpy(hw->name, "asihpi (HPI)"); 2778 hw->iface = SNDRV_HWDEP_IFACE_LAST; 2779 hw->ops.open = snd_asihpi_hpi_open; 2780 hw->ops.ioctl = snd_asihpi_hpi_ioctl; 2781 hw->ops.release = snd_asihpi_hpi_release; 2782 hw->private_data = asihpi; 2783 if (rhwdep) 2784 *rhwdep = hw; 2785 return 0; 2786 } 2787 2788 /*------------------------------------------------------------ 2789 CARD 2790 ------------------------------------------------------------*/ 2791 static int snd_asihpi_probe(struct pci_dev *pci_dev, 2792 const struct pci_device_id *pci_id) 2793 { 2794 int err; 2795 struct hpi_adapter *hpi; 2796 struct snd_card *card; 2797 struct snd_card_asihpi *asihpi; 2798 2799 u32 h_control; 2800 u32 h_stream; 2801 u32 adapter_index; 2802 2803 static int dev; 2804 if (dev >= SNDRV_CARDS) 2805 return -ENODEV; 2806 2807 /* Should this be enable[hpi->index] ? */ 2808 if (!enable[dev]) { 2809 dev++; 2810 return -ENOENT; 2811 } 2812 2813 /* Initialise low-level HPI driver */ 2814 err = asihpi_adapter_probe(pci_dev, pci_id); 2815 if (err < 0) 2816 return err; 2817 2818 hpi = pci_get_drvdata(pci_dev); 2819 adapter_index = hpi->adapter->index; 2820 /* first try to give the card the same index as its hardware index */ 2821 err = snd_card_create(adapter_index, 2822 id[adapter_index], THIS_MODULE, 2823 sizeof(struct snd_card_asihpi), 2824 &card); 2825 if (err < 0) { 2826 /* if that fails, try the default index==next available */ 2827 err = 2828 snd_card_create(index[dev], id[dev], 2829 THIS_MODULE, 2830 sizeof(struct snd_card_asihpi), 2831 &card); 2832 if (err < 0) 2833 return err; 2834 snd_printk(KERN_WARNING 2835 "**** WARNING **** Adapter index %d->ALSA index %d\n", 2836 adapter_index, card->number); 2837 } 2838 2839 snd_card_set_dev(card, &pci_dev->dev); 2840 2841 asihpi = card->private_data; 2842 asihpi->card = card; 2843 asihpi->pci = pci_dev; 2844 asihpi->hpi = hpi; 2845 2846 snd_printk(KERN_INFO "adapter ID=%4X index=%d\n", 2847 asihpi->hpi->adapter->type, adapter_index); 2848 2849 err = hpi_adapter_get_property(adapter_index, 2850 HPI_ADAPTER_PROPERTY_CAPS1, 2851 NULL, &asihpi->support_grouping); 2852 if (err) 2853 asihpi->support_grouping = 0; 2854 2855 err = hpi_adapter_get_property(adapter_index, 2856 HPI_ADAPTER_PROPERTY_CAPS2, 2857 &asihpi->support_mrx, NULL); 2858 if (err) 2859 asihpi->support_mrx = 0; 2860 2861 err = hpi_adapter_get_property(adapter_index, 2862 HPI_ADAPTER_PROPERTY_INTERVAL, 2863 NULL, &asihpi->update_interval_frames); 2864 if (err) 2865 asihpi->update_interval_frames = 512; 2866 2867 if (!asihpi->can_dma) 2868 asihpi->update_interval_frames *= 2; 2869 2870 hpi_handle_error(hpi_instream_open(adapter_index, 2871 0, &h_stream)); 2872 2873 err = hpi_instream_host_buffer_free(h_stream); 2874 asihpi->can_dma = (!err); 2875 2876 hpi_handle_error(hpi_instream_close(h_stream)); 2877 2878 err = hpi_adapter_get_property(adapter_index, 2879 HPI_ADAPTER_PROPERTY_CURCHANNELS, 2880 &asihpi->in_max_chans, &asihpi->out_max_chans); 2881 if (err) { 2882 asihpi->in_max_chans = 2; 2883 asihpi->out_max_chans = 2; 2884 } 2885 2886 if (asihpi->out_max_chans > 2) { /* assume LL mode */ 2887 asihpi->out_min_chans = asihpi->out_max_chans; 2888 asihpi->in_min_chans = asihpi->in_max_chans; 2889 asihpi->support_grouping = 0; 2890 } else { 2891 asihpi->out_min_chans = 1; 2892 asihpi->in_min_chans = 1; 2893 } 2894 2895 snd_printk(KERN_INFO "Has dma:%d, grouping:%d, mrx:%d\n", 2896 asihpi->can_dma, 2897 asihpi->support_grouping, 2898 asihpi->support_mrx 2899 ); 2900 2901 err = snd_card_asihpi_pcm_new(asihpi, 0); 2902 if (err < 0) { 2903 snd_printk(KERN_ERR "pcm_new failed\n"); 2904 goto __nodev; 2905 } 2906 err = snd_card_asihpi_mixer_new(asihpi); 2907 if (err < 0) { 2908 snd_printk(KERN_ERR "mixer_new failed\n"); 2909 goto __nodev; 2910 } 2911 2912 err = hpi_mixer_get_control(asihpi->h_mixer, 2913 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0, 2914 HPI_CONTROL_SAMPLECLOCK, &h_control); 2915 2916 if (!err) 2917 err = hpi_sample_clock_set_local_rate( 2918 h_control, adapter_fs); 2919 2920 snd_asihpi_proc_init(asihpi); 2921 2922 /* always create, can be enabled or disabled dynamically 2923 by enable_hwdep module param*/ 2924 snd_asihpi_hpi_new(asihpi, 0, NULL); 2925 2926 strcpy(card->driver, "ASIHPI"); 2927 2928 sprintf(card->shortname, "AudioScience ASI%4X", 2929 asihpi->hpi->adapter->type); 2930 sprintf(card->longname, "%s %i", 2931 card->shortname, adapter_index); 2932 err = snd_card_register(card); 2933 2934 if (!err) { 2935 hpi->snd_card = card; 2936 dev++; 2937 return 0; 2938 } 2939 __nodev: 2940 snd_card_free(card); 2941 snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err); 2942 return err; 2943 2944 } 2945 2946 static void snd_asihpi_remove(struct pci_dev *pci_dev) 2947 { 2948 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev); 2949 snd_card_free(hpi->snd_card); 2950 hpi->snd_card = NULL; 2951 asihpi_adapter_remove(pci_dev); 2952 } 2953 2954 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = { 2955 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205, 2956 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, 2957 (kernel_ulong_t)HPI_6205}, 2958 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040, 2959 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0, 2960 (kernel_ulong_t)HPI_6000}, 2961 {0,} 2962 }; 2963 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl); 2964 2965 static struct pci_driver driver = { 2966 .name = KBUILD_MODNAME, 2967 .id_table = asihpi_pci_tbl, 2968 .probe = snd_asihpi_probe, 2969 .remove = snd_asihpi_remove, 2970 #ifdef CONFIG_PM_SLEEP 2971 /* .suspend = snd_asihpi_suspend, 2972 .resume = snd_asihpi_resume, */ 2973 #endif 2974 }; 2975 2976 static int __init snd_asihpi_init(void) 2977 { 2978 asihpi_init(); 2979 return pci_register_driver(&driver); 2980 } 2981 2982 static void __exit snd_asihpi_exit(void) 2983 { 2984 2985 pci_unregister_driver(&driver); 2986 asihpi_exit(); 2987 } 2988 2989 module_init(snd_asihpi_init) 2990 module_exit(snd_asihpi_exit) 2991 2992