1 /* 2 * Driver for Digigram miXart soundcards 3 * 4 * main file with alsa callbacks 5 * 6 * Copyright (c) 2003 by Digigram <alsa@digigram.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 24 #include <sound/driver.h> 25 #include <linux/init.h> 26 #include <linux/interrupt.h> 27 #include <linux/pci.h> 28 #include <linux/moduleparam.h> 29 #include <sound/core.h> 30 #include <sound/initval.h> 31 #include <sound/info.h> 32 #include <sound/control.h> 33 #include <sound/pcm.h> 34 #include <sound/pcm_params.h> 35 #include "mixart.h" 36 #include "mixart_hwdep.h" 37 #include "mixart_core.h" 38 #include "mixart_mixer.h" 39 40 #define CARD_NAME "miXart" 41 42 MODULE_AUTHOR("Digigram <alsa@digigram.com>"); 43 MODULE_DESCRIPTION("Digigram " CARD_NAME); 44 MODULE_LICENSE("GPL"); 45 MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}"); 46 47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 49 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ 50 51 module_param_array(index, int, NULL, 0444); 52 MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard."); 53 module_param_array(id, charp, NULL, 0444); 54 MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard."); 55 module_param_array(enable, bool, NULL, 0444); 56 MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard."); 57 58 /* 59 */ 60 61 static struct pci_device_id snd_mixart_ids[] = { 62 { 0x1057, 0x0003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* MC8240 */ 63 { 0, } 64 }; 65 66 MODULE_DEVICE_TABLE(pci, snd_mixart_ids); 67 68 69 static int mixart_set_pipe_state(mixart_mgr_t *mgr, mixart_pipe_t* pipe, int start) 70 { 71 mixart_group_state_req_t group_state; 72 mixart_group_state_resp_t group_state_resp; 73 mixart_msg_t request; 74 int err; 75 u32 system_msg_uid; 76 77 switch(pipe->status) { 78 case PIPE_RUNNING: 79 case PIPE_CLOCK_SET: 80 if(start) return 0; /* already started */ 81 break; 82 case PIPE_STOPPED: 83 if(!start) return 0; /* already stopped */ 84 break; 85 default: 86 snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n"); 87 return -EINVAL; /* function called with wrong pipe status */ 88 } 89 90 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */ 91 92 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */ 93 94 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD; 95 request.uid = (mixart_uid_t){0,0}; 96 request.data = &system_msg_uid; 97 request.size = sizeof(system_msg_uid); 98 99 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid); 100 if(err) { 101 snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n"); 102 return err; 103 } 104 105 /* start or stop the pipe (1 pipe) */ 106 107 memset(&group_state, 0, sizeof(group_state)); 108 group_state.pipe_count = 1; 109 group_state.pipe_uid[0] = pipe->group_uid; 110 111 if(start) 112 request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET; 113 else 114 request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET; 115 116 request.uid = pipe->group_uid; /*(mixart_uid_t){0,0};*/ 117 request.data = &group_state; 118 request.size = sizeof(group_state); 119 120 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); 121 if (err < 0 || group_state_resp.txx_status != 0) { 122 snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status); 123 return -EINVAL; 124 } 125 126 if(start) { 127 u32 stat; 128 129 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */ 130 131 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); 132 if (err < 0 || group_state_resp.txx_status != 0) { 133 snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status); 134 return -EINVAL; 135 } 136 137 /* in case of start send a synchro top */ 138 139 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD; 140 request.uid = (mixart_uid_t){0,0}; 141 request.data = NULL; 142 request.size = 0; 143 144 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat); 145 if (err < 0 || stat != 0) { 146 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat); 147 return -EINVAL; 148 } 149 150 pipe->status = PIPE_RUNNING; 151 } 152 else /* !start */ 153 pipe->status = PIPE_STOPPED; 154 155 return 0; 156 } 157 158 159 static int mixart_set_clock(mixart_mgr_t *mgr, mixart_pipe_t *pipe, unsigned int rate) 160 { 161 mixart_msg_t request; 162 mixart_clock_properties_t clock_properties; 163 mixart_clock_properties_resp_t clock_prop_resp; 164 int err; 165 166 switch(pipe->status) { 167 case PIPE_CLOCK_SET: 168 break; 169 case PIPE_RUNNING: 170 if(rate != 0) 171 break; 172 default: 173 if(rate == 0) 174 return 0; /* nothing to do */ 175 else { 176 snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate); 177 return -EINVAL; 178 } 179 } 180 181 memset(&clock_properties, 0, sizeof(clock_properties)); 182 clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK; 183 clock_properties.clock_mode = CM_STANDALONE; 184 clock_properties.frequency = rate; 185 clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */ 186 clock_properties.uid_caller[0] = pipe->group_uid; 187 188 snd_printdd("mixart_set_clock to %d kHz\n", rate); 189 190 request.message_id = MSG_CLOCK_SET_PROPERTIES; 191 request.uid = mgr->uid_console_manager; 192 request.data = &clock_properties; 193 request.size = sizeof(clock_properties); 194 195 err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp); 196 if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) { 197 snd_printk(KERN_ERR "error MSG_CLOCK_SET_PROPERTIES err=%x stat=%x mod=%x !\n", err, clock_prop_resp.status, clock_prop_resp.clock_mode); 198 return -EINVAL; 199 } 200 201 if(rate) pipe->status = PIPE_CLOCK_SET; 202 else pipe->status = PIPE_RUNNING; 203 204 return 0; 205 } 206 207 208 /* 209 * Allocate or reference output pipe for analog IOs (pcmp0/1) 210 */ 211 mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring) 212 { 213 int stream_count; 214 mixart_pipe_t *pipe; 215 mixart_msg_t request; 216 217 if(capture) { 218 if (pcm_number == MIXART_PCM_ANALOG) { 219 pipe = &(chip->pipe_in_ana); /* analog inputs */ 220 } else { 221 pipe = &(chip->pipe_in_dig); /* digital inputs */ 222 } 223 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP; 224 stream_count = MIXART_CAPTURE_STREAMS; 225 } else { 226 if (pcm_number == MIXART_PCM_ANALOG) { 227 pipe = &(chip->pipe_out_ana); /* analog outputs */ 228 } else { 229 pipe = &(chip->pipe_out_dig); /* digital outputs */ 230 } 231 request.message_id = MSG_STREAM_ADD_INPUT_GROUP; 232 stream_count = MIXART_PLAYBACK_STREAMS; 233 } 234 235 /* a new stream is opened and there are already all streams in use */ 236 if( (monitoring == 0) && (pipe->references >= stream_count) ) { 237 return NULL; 238 } 239 240 /* pipe is not yet defined */ 241 if( pipe->status == PIPE_UNDEFINED ) { 242 int err, i; 243 struct { 244 mixart_streaming_group_req_t sgroup_req; 245 mixart_streaming_group_t sgroup_resp; 246 } *buf; 247 248 snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number); 249 250 buf = kmalloc(sizeof(*buf), GFP_KERNEL); 251 if (!buf) 252 return NULL; 253 254 request.uid = (mixart_uid_t){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */ 255 request.data = &buf->sgroup_req; 256 request.size = sizeof(buf->sgroup_req); 257 258 memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req)); 259 260 buf->sgroup_req.stream_count = stream_count; 261 buf->sgroup_req.channel_count = 2; 262 buf->sgroup_req.latency = 256; 263 buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */ 264 265 for (i=0; i<stream_count; i++) { 266 int j; 267 struct mixart_flowinfo *flowinfo; 268 struct mixart_bufferinfo *bufferinfo; 269 270 /* we don't yet know the format, so config 16 bit pcm audio for instance */ 271 buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024; 272 buf->sgroup_req.stream_info[i].size_max_sample_frame = 256; 273 buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */ 274 275 /* find the right bufferinfo_array */ 276 j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i; 277 if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */ 278 279 buf->sgroup_req.flow_entry[i] = j; 280 281 flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area; 282 flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(mixart_bufferinfo_t)); 283 flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */ 284 285 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; 286 bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */ 287 bufferinfo[j].available_length = 0; /* buffer is not yet allocated */ 288 289 /* construct the identifier of the stream buffer received in the interrupts ! */ 290 bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i; 291 if(capture) { 292 bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK; 293 } 294 } 295 296 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp); 297 if((err < 0) || (buf->sgroup_resp.status != 0)) { 298 snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status); 299 kfree(buf); 300 return NULL; 301 } 302 303 pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */ 304 pipe->stream_count = buf->sgroup_resp.stream_count; 305 /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */ 306 307 pipe->status = PIPE_STOPPED; 308 kfree(buf); 309 } 310 311 if(monitoring) pipe->monitoring = 1; 312 else pipe->references++; 313 314 return pipe; 315 } 316 317 318 int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring) 319 { 320 int err = 0; 321 322 if(pipe->status == PIPE_UNDEFINED) 323 return 0; 324 325 if(monitoring) 326 pipe->monitoring = 0; 327 else 328 pipe->references--; 329 330 if((pipe->references <= 0) && (pipe->monitoring == 0)) { 331 332 mixart_msg_t request; 333 mixart_delete_group_resp_t delete_resp; 334 335 /* release the clock */ 336 err = mixart_set_clock( mgr, pipe, 0); 337 if( err < 0 ) { 338 snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n"); 339 } 340 341 /* stop the pipe */ 342 err = mixart_set_pipe_state(mgr, pipe, 0); 343 if( err < 0 ) { 344 snd_printk(KERN_ERR "error stopping pipe!\n"); 345 } 346 347 request.message_id = MSG_STREAM_DELETE_GROUP; 348 request.uid = (mixart_uid_t){0,0}; 349 request.data = &pipe->group_uid; /* the streaming group ! */ 350 request.size = sizeof(pipe->group_uid); 351 352 /* delete the pipe */ 353 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp); 354 if ((err < 0) || (delete_resp.status != 0)) { 355 snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status); 356 } 357 358 pipe->group_uid = (mixart_uid_t){0,0}; 359 pipe->stream_count = 0; 360 pipe->status = PIPE_UNDEFINED; 361 } 362 363 return err; 364 } 365 366 static int mixart_set_stream_state(mixart_stream_t *stream, int start) 367 { 368 mixart_t *chip; 369 mixart_stream_state_req_t stream_state_req; 370 mixart_msg_t request; 371 372 if(!stream->substream) 373 return -EINVAL; 374 375 memset(&stream_state_req, 0, sizeof(stream_state_req)); 376 stream_state_req.stream_count = 1; 377 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid; 378 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number; 379 380 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 381 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET; 382 else 383 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET; 384 385 request.uid = (mixart_uid_t){0,0}; 386 request.data = &stream_state_req; 387 request.size = sizeof(stream_state_req); 388 389 stream->abs_period_elapsed = 0; /* reset stream pos */ 390 stream->buf_periods = 0; 391 stream->buf_period_frag = 0; 392 393 chip = snd_pcm_substream_chip(stream->substream); 394 395 return snd_mixart_send_msg_nonblock(chip->mgr, &request); 396 } 397 398 /* 399 * Trigger callback 400 */ 401 402 static int snd_mixart_trigger(snd_pcm_substream_t *subs, int cmd) 403 { 404 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data; 405 406 switch (cmd) { 407 case SNDRV_PCM_TRIGGER_START: 408 409 snd_printdd("SNDRV_PCM_TRIGGER_START\n"); 410 411 /* START_STREAM */ 412 if( mixart_set_stream_state(stream, 1) ) 413 return -EINVAL; 414 415 stream->status = MIXART_STREAM_STATUS_RUNNING; 416 417 break; 418 case SNDRV_PCM_TRIGGER_STOP: 419 420 /* STOP_STREAM */ 421 if( mixart_set_stream_state(stream, 0) ) 422 return -EINVAL; 423 424 stream->status = MIXART_STREAM_STATUS_OPEN; 425 426 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n"); 427 428 break; 429 430 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 431 /* TODO */ 432 stream->status = MIXART_STREAM_STATUS_PAUSE; 433 snd_printdd("SNDRV_PCM_PAUSE_PUSH\n"); 434 break; 435 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 436 /* TODO */ 437 stream->status = MIXART_STREAM_STATUS_RUNNING; 438 snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n"); 439 break; 440 default: 441 return -EINVAL; 442 } 443 return 0; 444 } 445 446 static int mixart_sync_nonblock_events(mixart_mgr_t *mgr) 447 { 448 int timeout = HZ; 449 while (atomic_read(&mgr->msg_processed) > 0) { 450 if (! timeout--) { 451 snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n"); 452 return -EBUSY; 453 } 454 set_current_state(TASK_UNINTERRUPTIBLE); 455 schedule_timeout(1); 456 } 457 return 0; 458 } 459 460 /* 461 * prepare callback for all pcms 462 */ 463 static int snd_mixart_prepare(snd_pcm_substream_t *subs) 464 { 465 mixart_t *chip = snd_pcm_substream_chip(subs); 466 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data; 467 468 /* TODO de fa�on non bloquante, r�appliquer les hw_params (rate, bits, codec) */ 469 470 snd_printdd("snd_mixart_prepare\n"); 471 472 mixart_sync_nonblock_events(chip->mgr); 473 474 /* only the first stream can choose the sample rate */ 475 /* the further opened streams will be limited to its frequency (see open) */ 476 if(chip->mgr->ref_count_rate == 1) 477 chip->mgr->sample_rate = subs->runtime->rate; 478 479 /* set the clock only once (first stream) on the same pipe */ 480 if(stream->pipe->references == 1) { 481 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) ) 482 return -EINVAL; 483 } 484 485 return 0; 486 } 487 488 489 static int mixart_set_format(mixart_stream_t *stream, snd_pcm_format_t format) 490 { 491 int err; 492 mixart_t *chip; 493 mixart_msg_t request; 494 mixart_stream_param_desc_t stream_param; 495 mixart_return_uid_t resp; 496 497 chip = snd_pcm_substream_chip(stream->substream); 498 499 memset(&stream_param, 0, sizeof(stream_param)); 500 501 stream_param.coding_type = CT_LINEAR; 502 stream_param.number_of_channel = stream->channels; 503 504 stream_param.sampling_freq = chip->mgr->sample_rate; 505 if(stream_param.sampling_freq == 0) 506 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */ 507 508 switch(format){ 509 case SNDRV_PCM_FORMAT_U8: 510 stream_param.sample_type = ST_INTEGER_8; 511 stream_param.sample_size = 8; 512 break; 513 case SNDRV_PCM_FORMAT_S16_LE: 514 stream_param.sample_type = ST_INTEGER_16LE; 515 stream_param.sample_size = 16; 516 break; 517 case SNDRV_PCM_FORMAT_S16_BE: 518 stream_param.sample_type = ST_INTEGER_16BE; 519 stream_param.sample_size = 16; 520 break; 521 case SNDRV_PCM_FORMAT_S24_3LE: 522 stream_param.sample_type = ST_INTEGER_24LE; 523 stream_param.sample_size = 24; 524 break; 525 case SNDRV_PCM_FORMAT_S24_3BE: 526 stream_param.sample_type = ST_INTEGER_24BE; 527 stream_param.sample_size = 24; 528 break; 529 case SNDRV_PCM_FORMAT_FLOAT_LE: 530 stream_param.sample_type = ST_FLOATING_POINT_32LE; 531 stream_param.sample_size = 32; 532 break; 533 case SNDRV_PCM_FORMAT_FLOAT_BE: 534 stream_param.sample_type = ST_FLOATING_POINT_32BE; 535 stream_param.sample_size = 32; 536 break; 537 default: 538 snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n"); 539 return -EINVAL; 540 } 541 542 snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n", 543 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels); 544 545 /* TODO: what else to configure ? */ 546 /* stream_param.samples_per_frame = 2; */ 547 /* stream_param.bytes_per_frame = 4; */ 548 /* stream_param.bytes_per_sample = 2; */ 549 550 stream_param.pipe_count = 1; /* set to 1 */ 551 stream_param.stream_count = 1; /* set to 1 */ 552 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid; 553 stream_param.stream_desc[0].stream_idx = stream->substream->number; 554 555 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM; 556 request.uid = (mixart_uid_t){0,0}; 557 request.data = &stream_param; 558 request.size = sizeof(stream_param); 559 560 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp); 561 if((err < 0) || resp.error_code) { 562 snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code); 563 return -EINVAL; 564 } 565 return 0; 566 } 567 568 569 /* 570 * HW_PARAMS callback for all pcms 571 */ 572 static int snd_mixart_hw_params(snd_pcm_substream_t *subs, 573 snd_pcm_hw_params_t *hw) 574 { 575 mixart_t *chip = snd_pcm_substream_chip(subs); 576 mixart_mgr_t *mgr = chip->mgr; 577 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data; 578 snd_pcm_format_t format; 579 int err; 580 int channels; 581 582 /* set up channels */ 583 channels = params_channels(hw); 584 585 /* set up format for the stream */ 586 format = params_format(hw); 587 588 down(&mgr->setup_mutex); 589 590 /* update the stream levels */ 591 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) { 592 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG; 593 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) 594 mixart_update_playback_stream_level(chip, is_aes, subs->number); 595 else 596 mixart_update_capture_stream_level( chip, is_aes); 597 } 598 599 stream->channels = channels; 600 601 /* set the format to the board */ 602 err = mixart_set_format(stream, format); 603 if(err < 0) { 604 return err; 605 } 606 607 /* allocate buffer */ 608 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw)); 609 610 if (err > 0) { 611 struct mixart_bufferinfo *bufferinfo; 612 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number; 613 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) { 614 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */ 615 } 616 617 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; 618 bufferinfo[i].buffer_address = subs->runtime->dma_addr; 619 bufferinfo[i].available_length = subs->runtime->dma_bytes; 620 /* bufferinfo[i].buffer_id is already defined */ 621 622 snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i, 623 bufferinfo[i].buffer_address, 624 bufferinfo[i].available_length, 625 subs->number); 626 } 627 up(&mgr->setup_mutex); 628 629 return err; 630 } 631 632 static int snd_mixart_hw_free(snd_pcm_substream_t *subs) 633 { 634 mixart_t *chip = snd_pcm_substream_chip(subs); 635 snd_pcm_lib_free_pages(subs); 636 mixart_sync_nonblock_events(chip->mgr); 637 return 0; 638 } 639 640 641 642 /* 643 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max 644 */ 645 static snd_pcm_hardware_t snd_mixart_analog_caps = 646 { 647 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 648 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | 649 SNDRV_PCM_INFO_PAUSE), 650 .formats = ( SNDRV_PCM_FMTBIT_U8 | 651 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | 652 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | 653 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), 654 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 655 .rate_min = 8000, 656 .rate_max = 48000, 657 .channels_min = 1, 658 .channels_max = 2, 659 .buffer_bytes_max = (32*1024), 660 .period_bytes_min = 256, /* 256 frames U8 mono*/ 661 .period_bytes_max = (16*1024), 662 .periods_min = 2, 663 .periods_max = (32*1024/256), 664 }; 665 666 static snd_pcm_hardware_t snd_mixart_digital_caps = 667 { 668 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 669 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | 670 SNDRV_PCM_INFO_PAUSE), 671 .formats = ( SNDRV_PCM_FMTBIT_U8 | 672 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | 673 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | 674 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), 675 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, 676 .rate_min = 32000, 677 .rate_max = 48000, 678 .channels_min = 1, 679 .channels_max = 2, 680 .buffer_bytes_max = (32*1024), 681 .period_bytes_min = 256, /* 256 frames U8 mono*/ 682 .period_bytes_max = (16*1024), 683 .periods_min = 2, 684 .periods_max = (32*1024/256), 685 }; 686 687 688 static int snd_mixart_playback_open(snd_pcm_substream_t *subs) 689 { 690 mixart_t *chip = snd_pcm_substream_chip(subs); 691 mixart_mgr_t *mgr = chip->mgr; 692 snd_pcm_runtime_t *runtime = subs->runtime; 693 snd_pcm_t *pcm = subs->pcm; 694 mixart_stream_t *stream; 695 mixart_pipe_t *pipe; 696 int err = 0; 697 int pcm_number; 698 699 down(&mgr->setup_mutex); 700 701 if ( pcm == chip->pcm ) { 702 pcm_number = MIXART_PCM_ANALOG; 703 runtime->hw = snd_mixart_analog_caps; 704 } else { 705 snd_assert ( pcm == chip->pcm_dig ); 706 pcm_number = MIXART_PCM_DIGITAL; 707 runtime->hw = snd_mixart_digital_caps; 708 } 709 snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); 710 711 /* get stream info */ 712 stream = &(chip->playback_stream[pcm_number][subs->number]); 713 714 if (stream->status != MIXART_STREAM_STATUS_FREE){ 715 /* streams in use */ 716 snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); 717 err = -EBUSY; 718 goto _exit_open; 719 } 720 721 /* get pipe pointer (out pipe) */ 722 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0); 723 724 if (pipe == NULL) { 725 err = -EINVAL; 726 goto _exit_open; 727 } 728 729 /* start the pipe if necessary */ 730 err = mixart_set_pipe_state(chip->mgr, pipe, 1); 731 if( err < 0 ) { 732 snd_printk(KERN_ERR "error starting pipe!\n"); 733 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); 734 err = -EINVAL; 735 goto _exit_open; 736 } 737 738 stream->pipe = pipe; 739 stream->pcm_number = pcm_number; 740 stream->status = MIXART_STREAM_STATUS_OPEN; 741 stream->substream = subs; 742 stream->channels = 0; /* not configured yet */ 743 744 runtime->private_data = stream; 745 746 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); 747 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); 748 749 /* if a sample rate is already used, another stream cannot change */ 750 if(mgr->ref_count_rate++) { 751 if(mgr->sample_rate) { 752 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 753 } 754 } 755 756 _exit_open: 757 up(&mgr->setup_mutex); 758 759 return err; 760 } 761 762 763 static int snd_mixart_capture_open(snd_pcm_substream_t *subs) 764 { 765 mixart_t *chip = snd_pcm_substream_chip(subs); 766 mixart_mgr_t *mgr = chip->mgr; 767 snd_pcm_runtime_t *runtime = subs->runtime; 768 snd_pcm_t *pcm = subs->pcm; 769 mixart_stream_t *stream; 770 mixart_pipe_t *pipe; 771 int err = 0; 772 int pcm_number; 773 774 down(&mgr->setup_mutex); 775 776 if ( pcm == chip->pcm ) { 777 pcm_number = MIXART_PCM_ANALOG; 778 runtime->hw = snd_mixart_analog_caps; 779 } else { 780 snd_assert ( pcm == chip->pcm_dig ); 781 pcm_number = MIXART_PCM_DIGITAL; 782 runtime->hw = snd_mixart_digital_caps; 783 } 784 785 runtime->hw.channels_min = 2; /* for instance, no mono */ 786 787 snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); 788 789 /* get stream info */ 790 stream = &(chip->capture_stream[pcm_number]); 791 792 if (stream->status != MIXART_STREAM_STATUS_FREE){ 793 /* streams in use */ 794 snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); 795 err = -EBUSY; 796 goto _exit_open; 797 } 798 799 /* get pipe pointer (in pipe) */ 800 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0); 801 802 if (pipe == NULL) { 803 err = -EINVAL; 804 goto _exit_open; 805 } 806 807 /* start the pipe if necessary */ 808 err = mixart_set_pipe_state(chip->mgr, pipe, 1); 809 if( err < 0 ) { 810 snd_printk(KERN_ERR "error starting pipe!\n"); 811 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); 812 err = -EINVAL; 813 goto _exit_open; 814 } 815 816 stream->pipe = pipe; 817 stream->pcm_number = pcm_number; 818 stream->status = MIXART_STREAM_STATUS_OPEN; 819 stream->substream = subs; 820 stream->channels = 0; /* not configured yet */ 821 822 runtime->private_data = stream; 823 824 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); 825 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); 826 827 /* if a sample rate is already used, another stream cannot change */ 828 if(mgr->ref_count_rate++) { 829 if(mgr->sample_rate) { 830 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 831 } 832 } 833 834 _exit_open: 835 up(&mgr->setup_mutex); 836 837 return err; 838 } 839 840 841 842 static int snd_mixart_close(snd_pcm_substream_t *subs) 843 { 844 mixart_t *chip = snd_pcm_substream_chip(subs); 845 mixart_mgr_t *mgr = chip->mgr; 846 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data; 847 848 down(&mgr->setup_mutex); 849 850 snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number); 851 852 /* sample rate released */ 853 if(--mgr->ref_count_rate == 0) { 854 mgr->sample_rate = 0; 855 } 856 857 /* delete pipe */ 858 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) { 859 860 snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number); 861 } 862 863 stream->pipe = NULL; 864 stream->status = MIXART_STREAM_STATUS_FREE; 865 stream->substream = NULL; 866 867 up(&mgr->setup_mutex); 868 return 0; 869 } 870 871 872 static snd_pcm_uframes_t snd_mixart_stream_pointer(snd_pcm_substream_t * subs) 873 { 874 snd_pcm_runtime_t *runtime = subs->runtime; 875 mixart_stream_t *stream = (mixart_stream_t*)runtime->private_data; 876 877 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag); 878 } 879 880 881 882 static snd_pcm_ops_t snd_mixart_playback_ops = { 883 .open = snd_mixart_playback_open, 884 .close = snd_mixart_close, 885 .ioctl = snd_pcm_lib_ioctl, 886 .prepare = snd_mixart_prepare, 887 .hw_params = snd_mixart_hw_params, 888 .hw_free = snd_mixart_hw_free, 889 .trigger = snd_mixart_trigger, 890 .pointer = snd_mixart_stream_pointer, 891 }; 892 893 static snd_pcm_ops_t snd_mixart_capture_ops = { 894 .open = snd_mixart_capture_open, 895 .close = snd_mixart_close, 896 .ioctl = snd_pcm_lib_ioctl, 897 .prepare = snd_mixart_prepare, 898 .hw_params = snd_mixart_hw_params, 899 .hw_free = snd_mixart_hw_free, 900 .trigger = snd_mixart_trigger, 901 .pointer = snd_mixart_stream_pointer, 902 }; 903 904 static void preallocate_buffers(mixart_t *chip, snd_pcm_t *pcm) 905 { 906 #if 0 907 snd_pcm_substream_t *subs; 908 int stream; 909 910 for (stream = 0; stream < 2; stream++) { 911 int idx = 0; 912 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++) 913 /* set up the unique device id with the chip index */ 914 subs->dma_device.id = subs->pcm->device << 16 | 915 subs->stream << 8 | (subs->number + 1) | 916 (chip->chip_idx + 1) << 24; 917 } 918 #endif 919 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 920 snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024); 921 } 922 923 /* 924 */ 925 static int snd_mixart_pcm_analog(mixart_t *chip) 926 { 927 int err; 928 snd_pcm_t *pcm; 929 char name[32]; 930 931 sprintf(name, "miXart analog %d", chip->chip_idx); 932 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, 933 MIXART_PLAYBACK_STREAMS, 934 MIXART_CAPTURE_STREAMS, &pcm)) < 0) { 935 snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx); 936 return err; 937 } 938 939 pcm->private_data = chip; 940 941 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); 942 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); 943 944 pcm->info_flags = 0; 945 strcpy(pcm->name, name); 946 947 preallocate_buffers(chip, pcm); 948 949 chip->pcm = pcm; 950 return 0; 951 } 952 953 954 /* 955 */ 956 static int snd_mixart_pcm_digital(mixart_t *chip) 957 { 958 int err; 959 snd_pcm_t *pcm; 960 char name[32]; 961 962 sprintf(name, "miXart AES/EBU %d", chip->chip_idx); 963 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, 964 MIXART_PLAYBACK_STREAMS, 965 MIXART_CAPTURE_STREAMS, &pcm)) < 0) { 966 snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx); 967 return err; 968 } 969 970 pcm->private_data = chip; 971 972 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); 973 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); 974 975 pcm->info_flags = 0; 976 strcpy(pcm->name, name); 977 978 preallocate_buffers(chip, pcm); 979 980 chip->pcm_dig = pcm; 981 return 0; 982 } 983 984 static int snd_mixart_chip_free(mixart_t *chip) 985 { 986 kfree(chip); 987 return 0; 988 } 989 990 static int snd_mixart_chip_dev_free(snd_device_t *device) 991 { 992 mixart_t *chip = device->device_data; 993 return snd_mixart_chip_free(chip); 994 } 995 996 997 /* 998 */ 999 static int __devinit snd_mixart_create(mixart_mgr_t *mgr, snd_card_t *card, int idx) 1000 { 1001 int err; 1002 mixart_t *chip; 1003 static snd_device_ops_t ops = { 1004 .dev_free = snd_mixart_chip_dev_free, 1005 }; 1006 1007 mgr->chip[idx] = chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); 1008 if (! chip) { 1009 snd_printk(KERN_ERR "cannot allocate chip\n"); 1010 return -ENOMEM; 1011 } 1012 1013 chip->card = card; 1014 chip->chip_idx = idx; 1015 chip->mgr = mgr; 1016 1017 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1018 snd_mixart_chip_free(chip); 1019 return err; 1020 } 1021 1022 snd_card_set_dev(card, &mgr->pci->dev); 1023 1024 return 0; 1025 } 1026 1027 int snd_mixart_create_pcm(mixart_t* chip) 1028 { 1029 int err; 1030 1031 err = snd_mixart_pcm_analog(chip); 1032 if (err < 0) 1033 return err; 1034 1035 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) { 1036 1037 err = snd_mixart_pcm_digital(chip); 1038 if (err < 0) 1039 return err; 1040 } 1041 return err; 1042 } 1043 1044 1045 /* 1046 * release all the cards assigned to a manager instance 1047 */ 1048 static int snd_mixart_free(mixart_mgr_t *mgr) 1049 { 1050 unsigned int i; 1051 1052 for (i = 0; i < mgr->num_cards; i++) { 1053 if (mgr->chip[i]) 1054 snd_card_free(mgr->chip[i]->card); 1055 } 1056 1057 /* stop mailbox */ 1058 snd_mixart_exit_mailbox(mgr); 1059 1060 /* release irq */ 1061 if (mgr->irq >= 0) 1062 free_irq(mgr->irq, (void *)mgr); 1063 1064 /* reset board if some firmware was loaded */ 1065 if(mgr->dsp_loaded) { 1066 snd_mixart_reset_board(mgr); 1067 snd_printdd("reset miXart !\n"); 1068 } 1069 1070 /* release the i/o ports */ 1071 for (i = 0; i < 2; i++) { 1072 if (mgr->mem[i].virt) 1073 iounmap(mgr->mem[i].virt); 1074 } 1075 pci_release_regions(mgr->pci); 1076 1077 /* free flowarray */ 1078 if(mgr->flowinfo.area) { 1079 snd_dma_free_pages(&mgr->flowinfo); 1080 mgr->flowinfo.area = NULL; 1081 } 1082 /* free bufferarray */ 1083 if(mgr->bufferinfo.area) { 1084 snd_dma_free_pages(&mgr->bufferinfo); 1085 mgr->bufferinfo.area = NULL; 1086 } 1087 1088 pci_disable_device(mgr->pci); 1089 kfree(mgr); 1090 return 0; 1091 } 1092 1093 /* 1094 * proc interface 1095 */ 1096 static long long snd_mixart_BA0_llseek(snd_info_entry_t *entry, 1097 void *private_file_data, 1098 struct file *file, 1099 long long offset, 1100 int orig) 1101 { 1102 offset = offset & ~3; /* 4 bytes aligned */ 1103 1104 switch(orig) { 1105 case 0: /* SEEK_SET */ 1106 file->f_pos = offset; 1107 break; 1108 case 1: /* SEEK_CUR */ 1109 file->f_pos += offset; 1110 break; 1111 case 2: /* SEEK_END, offset is negative */ 1112 file->f_pos = MIXART_BA0_SIZE + offset; 1113 break; 1114 default: 1115 return -EINVAL; 1116 } 1117 if(file->f_pos > MIXART_BA0_SIZE) 1118 file->f_pos = MIXART_BA0_SIZE; 1119 return file->f_pos; 1120 } 1121 1122 static long long snd_mixart_BA1_llseek(snd_info_entry_t *entry, 1123 void *private_file_data, 1124 struct file *file, 1125 long long offset, 1126 int orig) 1127 { 1128 offset = offset & ~3; /* 4 bytes aligned */ 1129 1130 switch(orig) { 1131 case 0: /* SEEK_SET */ 1132 file->f_pos = offset; 1133 break; 1134 case 1: /* SEEK_CUR */ 1135 file->f_pos += offset; 1136 break; 1137 case 2: /* SEEK_END, offset is negative */ 1138 file->f_pos = MIXART_BA1_SIZE + offset; 1139 break; 1140 default: 1141 return -EINVAL; 1142 } 1143 if(file->f_pos > MIXART_BA1_SIZE) 1144 file->f_pos = MIXART_BA1_SIZE; 1145 return file->f_pos; 1146 } 1147 1148 /* 1149 mixart_BA0 proc interface for BAR 0 - read callback 1150 */ 1151 static long snd_mixart_BA0_read(snd_info_entry_t *entry, void *file_private_data, 1152 struct file *file, char __user *buf, 1153 unsigned long count, unsigned long pos) 1154 { 1155 mixart_mgr_t *mgr = entry->private_data; 1156 1157 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1158 if(count <= 0) 1159 return 0; 1160 if(pos + count > MIXART_BA0_SIZE) 1161 count = (long)(MIXART_BA0_SIZE - pos); 1162 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count)) 1163 return -EFAULT; 1164 return count; 1165 } 1166 1167 /* 1168 mixart_BA1 proc interface for BAR 1 - read callback 1169 */ 1170 static long snd_mixart_BA1_read(snd_info_entry_t *entry, void *file_private_data, 1171 struct file *file, char __user *buf, 1172 unsigned long count, unsigned long pos) 1173 { 1174 mixart_mgr_t *mgr = entry->private_data; 1175 1176 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1177 if(count <= 0) 1178 return 0; 1179 if(pos + count > MIXART_BA1_SIZE) 1180 count = (long)(MIXART_BA1_SIZE - pos); 1181 if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count)) 1182 return -EFAULT; 1183 return count; 1184 } 1185 1186 static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = { 1187 .read = snd_mixart_BA0_read, 1188 .llseek = snd_mixart_BA0_llseek 1189 }; 1190 1191 static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = { 1192 .read = snd_mixart_BA1_read, 1193 .llseek = snd_mixart_BA1_llseek 1194 }; 1195 1196 1197 static void snd_mixart_proc_read(snd_info_entry_t *entry, 1198 snd_info_buffer_t * buffer) 1199 { 1200 mixart_t *chip = entry->private_data; 1201 u32 ref; 1202 1203 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx); 1204 1205 /* stats available when embedded OS is running */ 1206 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) { 1207 snd_iprintf(buffer, "- hardware -\n"); 1208 switch (chip->mgr->board_type ) { 1209 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break; 1210 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break; 1211 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break; 1212 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break; 1213 } 1214 1215 snd_iprintf(buffer, "- system load -\n"); 1216 1217 /* get perf reference */ 1218 1219 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET)); 1220 1221 if (ref) { 1222 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref; 1223 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref; 1224 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref; 1225 1226 snd_iprintf(buffer, "\tstreaming : %d\n", streaming); 1227 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox); 1228 snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr); 1229 } 1230 } /* endif elf loaded */ 1231 } 1232 1233 static void __devinit snd_mixart_proc_init(mixart_t *chip) 1234 { 1235 snd_info_entry_t *entry; 1236 1237 /* text interface to read perf and temp meters */ 1238 if (! snd_card_proc_new(chip->card, "board_info", &entry)) { 1239 entry->private_data = chip; 1240 entry->c.text.read_size = 1024; 1241 entry->c.text.read = snd_mixart_proc_read; 1242 } 1243 1244 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) { 1245 entry->content = SNDRV_INFO_CONTENT_DATA; 1246 entry->private_data = chip->mgr; 1247 entry->c.ops = &snd_mixart_proc_ops_BA0; 1248 entry->size = MIXART_BA0_SIZE; 1249 } 1250 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) { 1251 entry->content = SNDRV_INFO_CONTENT_DATA; 1252 entry->private_data = chip->mgr; 1253 entry->c.ops = &snd_mixart_proc_ops_BA1; 1254 entry->size = MIXART_BA1_SIZE; 1255 } 1256 } 1257 /* end of proc interface */ 1258 1259 1260 /* 1261 * probe function - creates the card manager 1262 */ 1263 static int __devinit snd_mixart_probe(struct pci_dev *pci, 1264 const struct pci_device_id *pci_id) 1265 { 1266 static int dev; 1267 mixart_mgr_t *mgr; 1268 unsigned int i; 1269 int err; 1270 size_t size; 1271 1272 /* 1273 */ 1274 if (dev >= SNDRV_CARDS) 1275 return -ENODEV; 1276 if (! enable[dev]) { 1277 dev++; 1278 return -ENOENT; 1279 } 1280 1281 /* enable PCI device */ 1282 if ((err = pci_enable_device(pci)) < 0) 1283 return err; 1284 pci_set_master(pci); 1285 1286 /* check if we can restrict PCI DMA transfers to 32 bits */ 1287 if (pci_set_dma_mask(pci, 0xffffffff) < 0) { 1288 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n"); 1289 pci_disable_device(pci); 1290 return -ENXIO; 1291 } 1292 1293 /* 1294 */ 1295 mgr = kcalloc(1, sizeof(*mgr), GFP_KERNEL); 1296 if (! mgr) { 1297 pci_disable_device(pci); 1298 return -ENOMEM; 1299 } 1300 1301 mgr->pci = pci; 1302 mgr->irq = -1; 1303 1304 /* resource assignment */ 1305 if ((err = pci_request_regions(pci, CARD_NAME)) < 0) { 1306 kfree(mgr); 1307 pci_disable_device(pci); 1308 return err; 1309 } 1310 for (i = 0; i < 2; i++) { 1311 mgr->mem[i].phys = pci_resource_start(pci, i); 1312 mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys, 1313 pci_resource_len(pci, i)); 1314 } 1315 1316 if (request_irq(pci->irq, snd_mixart_interrupt, SA_INTERRUPT|SA_SHIRQ, CARD_NAME, (void *)mgr)) { 1317 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 1318 snd_mixart_free(mgr); 1319 return -EBUSY; 1320 } 1321 mgr->irq = pci->irq; 1322 1323 sprintf(mgr->shortname, "Digigram miXart"); 1324 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq); 1325 1326 /* ISR spinlock */ 1327 spin_lock_init(&mgr->lock); 1328 1329 /* init mailbox */ 1330 mgr->msg_fifo_readptr = 0; 1331 mgr->msg_fifo_writeptr = 0; 1332 1333 spin_lock_init(&mgr->msg_lock); 1334 init_MUTEX(&mgr->msg_mutex); 1335 init_waitqueue_head(&mgr->msg_sleep); 1336 atomic_set(&mgr->msg_processed, 0); 1337 1338 /* init setup mutex*/ 1339 init_MUTEX(&mgr->setup_mutex); 1340 1341 /* init message taslket */ 1342 tasklet_init( &mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr); 1343 1344 /* card assignment */ 1345 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */ 1346 for (i = 0; i < mgr->num_cards; i++) { 1347 snd_card_t *card; 1348 char tmpid[16]; 1349 int idx; 1350 1351 if (index[dev] < 0) 1352 idx = index[dev]; 1353 else 1354 idx = index[dev] + i; 1355 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i); 1356 card = snd_card_new(idx, tmpid, THIS_MODULE, 0); 1357 1358 if (! card) { 1359 snd_printk(KERN_ERR "cannot allocate the card %d\n", i); 1360 snd_mixart_free(mgr); 1361 return -ENOMEM; 1362 } 1363 1364 strcpy(card->driver, CARD_NAME); 1365 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i); 1366 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i); 1367 1368 if ((err = snd_mixart_create(mgr, card, i)) < 0) { 1369 snd_mixart_free(mgr); 1370 return err; 1371 } 1372 1373 if(i==0) { 1374 /* init proc interface only for chip0 */ 1375 snd_mixart_proc_init(mgr->chip[i]); 1376 } 1377 1378 if ((err = snd_card_register(card)) < 0) { 1379 snd_mixart_free(mgr); 1380 return err; 1381 } 1382 } 1383 1384 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */ 1385 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE; 1386 1387 /* create array of streaminfo */ 1388 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_flowinfo_t)) ); 1389 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1390 size, &mgr->flowinfo) < 0) { 1391 snd_mixart_free(mgr); 1392 return -ENOMEM; 1393 } 1394 /* init streaminfo_array */ 1395 memset(mgr->flowinfo.area, 0, size); 1396 1397 /* create array of bufferinfo */ 1398 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_bufferinfo_t)) ); 1399 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1400 size, &mgr->bufferinfo) < 0) { 1401 snd_mixart_free(mgr); 1402 return -ENOMEM; 1403 } 1404 /* init bufferinfo_array */ 1405 memset(mgr->bufferinfo.area, 0, size); 1406 1407 /* set up firmware */ 1408 err = snd_mixart_setup_firmware(mgr); 1409 if (err < 0) { 1410 snd_mixart_free(mgr); 1411 return err; 1412 } 1413 1414 pci_set_drvdata(pci, mgr); 1415 dev++; 1416 return 0; 1417 } 1418 1419 static void __devexit snd_mixart_remove(struct pci_dev *pci) 1420 { 1421 snd_mixart_free(pci_get_drvdata(pci)); 1422 pci_set_drvdata(pci, NULL); 1423 } 1424 1425 static struct pci_driver driver = { 1426 .name = "Digigram miXart", 1427 .id_table = snd_mixart_ids, 1428 .probe = snd_mixart_probe, 1429 .remove = __devexit_p(snd_mixart_remove), 1430 }; 1431 1432 static int __init alsa_card_mixart_init(void) 1433 { 1434 return pci_register_driver(&driver); 1435 } 1436 1437 static void __exit alsa_card_mixart_exit(void) 1438 { 1439 pci_unregister_driver(&driver); 1440 } 1441 1442 module_init(alsa_card_mixart_init) 1443 module_exit(alsa_card_mixart_exit) 1444