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