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 unsigned long timeout = jiffies + HZ; 449 while (atomic_read(&mgr->msg_processed) > 0) { 450 if (time_after(jiffies, timeout)) { 451 snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n"); 452 return -EBUSY; 453 } 454 schedule_timeout_uninterruptible(1); 455 } 456 return 0; 457 } 458 459 /* 460 * prepare callback for all pcms 461 */ 462 static int snd_mixart_prepare(snd_pcm_substream_t *subs) 463 { 464 mixart_t *chip = snd_pcm_substream_chip(subs); 465 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data; 466 467 /* TODO de fa�on non bloquante, r�appliquer les hw_params (rate, bits, codec) */ 468 469 snd_printdd("snd_mixart_prepare\n"); 470 471 mixart_sync_nonblock_events(chip->mgr); 472 473 /* only the first stream can choose the sample rate */ 474 /* the further opened streams will be limited to its frequency (see open) */ 475 if(chip->mgr->ref_count_rate == 1) 476 chip->mgr->sample_rate = subs->runtime->rate; 477 478 /* set the clock only once (first stream) on the same pipe */ 479 if(stream->pipe->references == 1) { 480 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) ) 481 return -EINVAL; 482 } 483 484 return 0; 485 } 486 487 488 static int mixart_set_format(mixart_stream_t *stream, snd_pcm_format_t format) 489 { 490 int err; 491 mixart_t *chip; 492 mixart_msg_t request; 493 mixart_stream_param_desc_t stream_param; 494 mixart_return_uid_t resp; 495 496 chip = snd_pcm_substream_chip(stream->substream); 497 498 memset(&stream_param, 0, sizeof(stream_param)); 499 500 stream_param.coding_type = CT_LINEAR; 501 stream_param.number_of_channel = stream->channels; 502 503 stream_param.sampling_freq = chip->mgr->sample_rate; 504 if(stream_param.sampling_freq == 0) 505 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */ 506 507 switch(format){ 508 case SNDRV_PCM_FORMAT_U8: 509 stream_param.sample_type = ST_INTEGER_8; 510 stream_param.sample_size = 8; 511 break; 512 case SNDRV_PCM_FORMAT_S16_LE: 513 stream_param.sample_type = ST_INTEGER_16LE; 514 stream_param.sample_size = 16; 515 break; 516 case SNDRV_PCM_FORMAT_S16_BE: 517 stream_param.sample_type = ST_INTEGER_16BE; 518 stream_param.sample_size = 16; 519 break; 520 case SNDRV_PCM_FORMAT_S24_3LE: 521 stream_param.sample_type = ST_INTEGER_24LE; 522 stream_param.sample_size = 24; 523 break; 524 case SNDRV_PCM_FORMAT_S24_3BE: 525 stream_param.sample_type = ST_INTEGER_24BE; 526 stream_param.sample_size = 24; 527 break; 528 case SNDRV_PCM_FORMAT_FLOAT_LE: 529 stream_param.sample_type = ST_FLOATING_POINT_32LE; 530 stream_param.sample_size = 32; 531 break; 532 case SNDRV_PCM_FORMAT_FLOAT_BE: 533 stream_param.sample_type = ST_FLOATING_POINT_32BE; 534 stream_param.sample_size = 32; 535 break; 536 default: 537 snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n"); 538 return -EINVAL; 539 } 540 541 snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n", 542 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels); 543 544 /* TODO: what else to configure ? */ 545 /* stream_param.samples_per_frame = 2; */ 546 /* stream_param.bytes_per_frame = 4; */ 547 /* stream_param.bytes_per_sample = 2; */ 548 549 stream_param.pipe_count = 1; /* set to 1 */ 550 stream_param.stream_count = 1; /* set to 1 */ 551 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid; 552 stream_param.stream_desc[0].stream_idx = stream->substream->number; 553 554 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM; 555 request.uid = (mixart_uid_t){0,0}; 556 request.data = &stream_param; 557 request.size = sizeof(stream_param); 558 559 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp); 560 if((err < 0) || resp.error_code) { 561 snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code); 562 return -EINVAL; 563 } 564 return 0; 565 } 566 567 568 /* 569 * HW_PARAMS callback for all pcms 570 */ 571 static int snd_mixart_hw_params(snd_pcm_substream_t *subs, 572 snd_pcm_hw_params_t *hw) 573 { 574 mixart_t *chip = snd_pcm_substream_chip(subs); 575 mixart_mgr_t *mgr = chip->mgr; 576 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data; 577 snd_pcm_format_t format; 578 int err; 579 int channels; 580 581 /* set up channels */ 582 channels = params_channels(hw); 583 584 /* set up format for the stream */ 585 format = params_format(hw); 586 587 down(&mgr->setup_mutex); 588 589 /* update the stream levels */ 590 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) { 591 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG; 592 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) 593 mixart_update_playback_stream_level(chip, is_aes, subs->number); 594 else 595 mixart_update_capture_stream_level( chip, is_aes); 596 } 597 598 stream->channels = channels; 599 600 /* set the format to the board */ 601 err = mixart_set_format(stream, format); 602 if(err < 0) { 603 return err; 604 } 605 606 /* allocate buffer */ 607 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw)); 608 609 if (err > 0) { 610 struct mixart_bufferinfo *bufferinfo; 611 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number; 612 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) { 613 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */ 614 } 615 616 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; 617 bufferinfo[i].buffer_address = subs->runtime->dma_addr; 618 bufferinfo[i].available_length = subs->runtime->dma_bytes; 619 /* bufferinfo[i].buffer_id is already defined */ 620 621 snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i, 622 bufferinfo[i].buffer_address, 623 bufferinfo[i].available_length, 624 subs->number); 625 } 626 up(&mgr->setup_mutex); 627 628 return err; 629 } 630 631 static int snd_mixart_hw_free(snd_pcm_substream_t *subs) 632 { 633 mixart_t *chip = snd_pcm_substream_chip(subs); 634 snd_pcm_lib_free_pages(subs); 635 mixart_sync_nonblock_events(chip->mgr); 636 return 0; 637 } 638 639 640 641 /* 642 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max 643 */ 644 static snd_pcm_hardware_t snd_mixart_analog_caps = 645 { 646 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 647 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | 648 SNDRV_PCM_INFO_PAUSE), 649 .formats = ( SNDRV_PCM_FMTBIT_U8 | 650 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | 651 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | 652 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), 653 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 654 .rate_min = 8000, 655 .rate_max = 48000, 656 .channels_min = 1, 657 .channels_max = 2, 658 .buffer_bytes_max = (32*1024), 659 .period_bytes_min = 256, /* 256 frames U8 mono*/ 660 .period_bytes_max = (16*1024), 661 .periods_min = 2, 662 .periods_max = (32*1024/256), 663 }; 664 665 static snd_pcm_hardware_t snd_mixart_digital_caps = 666 { 667 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 668 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | 669 SNDRV_PCM_INFO_PAUSE), 670 .formats = ( SNDRV_PCM_FMTBIT_U8 | 671 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | 672 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | 673 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), 674 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, 675 .rate_min = 32000, 676 .rate_max = 48000, 677 .channels_min = 1, 678 .channels_max = 2, 679 .buffer_bytes_max = (32*1024), 680 .period_bytes_min = 256, /* 256 frames U8 mono*/ 681 .period_bytes_max = (16*1024), 682 .periods_min = 2, 683 .periods_max = (32*1024/256), 684 }; 685 686 687 static int snd_mixart_playback_open(snd_pcm_substream_t *subs) 688 { 689 mixart_t *chip = snd_pcm_substream_chip(subs); 690 mixart_mgr_t *mgr = chip->mgr; 691 snd_pcm_runtime_t *runtime = subs->runtime; 692 snd_pcm_t *pcm = subs->pcm; 693 mixart_stream_t *stream; 694 mixart_pipe_t *pipe; 695 int err = 0; 696 int pcm_number; 697 698 down(&mgr->setup_mutex); 699 700 if ( pcm == chip->pcm ) { 701 pcm_number = MIXART_PCM_ANALOG; 702 runtime->hw = snd_mixart_analog_caps; 703 } else { 704 snd_assert ( pcm == chip->pcm_dig ); 705 pcm_number = MIXART_PCM_DIGITAL; 706 runtime->hw = snd_mixart_digital_caps; 707 } 708 snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); 709 710 /* get stream info */ 711 stream = &(chip->playback_stream[pcm_number][subs->number]); 712 713 if (stream->status != MIXART_STREAM_STATUS_FREE){ 714 /* streams in use */ 715 snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); 716 err = -EBUSY; 717 goto _exit_open; 718 } 719 720 /* get pipe pointer (out pipe) */ 721 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0); 722 723 if (pipe == NULL) { 724 err = -EINVAL; 725 goto _exit_open; 726 } 727 728 /* start the pipe if necessary */ 729 err = mixart_set_pipe_state(chip->mgr, pipe, 1); 730 if( err < 0 ) { 731 snd_printk(KERN_ERR "error starting pipe!\n"); 732 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); 733 err = -EINVAL; 734 goto _exit_open; 735 } 736 737 stream->pipe = pipe; 738 stream->pcm_number = pcm_number; 739 stream->status = MIXART_STREAM_STATUS_OPEN; 740 stream->substream = subs; 741 stream->channels = 0; /* not configured yet */ 742 743 runtime->private_data = stream; 744 745 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); 746 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); 747 748 /* if a sample rate is already used, another stream cannot change */ 749 if(mgr->ref_count_rate++) { 750 if(mgr->sample_rate) { 751 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 752 } 753 } 754 755 _exit_open: 756 up(&mgr->setup_mutex); 757 758 return err; 759 } 760 761 762 static int snd_mixart_capture_open(snd_pcm_substream_t *subs) 763 { 764 mixart_t *chip = snd_pcm_substream_chip(subs); 765 mixart_mgr_t *mgr = chip->mgr; 766 snd_pcm_runtime_t *runtime = subs->runtime; 767 snd_pcm_t *pcm = subs->pcm; 768 mixart_stream_t *stream; 769 mixart_pipe_t *pipe; 770 int err = 0; 771 int pcm_number; 772 773 down(&mgr->setup_mutex); 774 775 if ( pcm == chip->pcm ) { 776 pcm_number = MIXART_PCM_ANALOG; 777 runtime->hw = snd_mixart_analog_caps; 778 } else { 779 snd_assert ( pcm == chip->pcm_dig ); 780 pcm_number = MIXART_PCM_DIGITAL; 781 runtime->hw = snd_mixart_digital_caps; 782 } 783 784 runtime->hw.channels_min = 2; /* for instance, no mono */ 785 786 snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); 787 788 /* get stream info */ 789 stream = &(chip->capture_stream[pcm_number]); 790 791 if (stream->status != MIXART_STREAM_STATUS_FREE){ 792 /* streams in use */ 793 snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); 794 err = -EBUSY; 795 goto _exit_open; 796 } 797 798 /* get pipe pointer (in pipe) */ 799 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0); 800 801 if (pipe == NULL) { 802 err = -EINVAL; 803 goto _exit_open; 804 } 805 806 /* start the pipe if necessary */ 807 err = mixart_set_pipe_state(chip->mgr, pipe, 1); 808 if( err < 0 ) { 809 snd_printk(KERN_ERR "error starting pipe!\n"); 810 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); 811 err = -EINVAL; 812 goto _exit_open; 813 } 814 815 stream->pipe = pipe; 816 stream->pcm_number = pcm_number; 817 stream->status = MIXART_STREAM_STATUS_OPEN; 818 stream->substream = subs; 819 stream->channels = 0; /* not configured yet */ 820 821 runtime->private_data = stream; 822 823 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); 824 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); 825 826 /* if a sample rate is already used, another stream cannot change */ 827 if(mgr->ref_count_rate++) { 828 if(mgr->sample_rate) { 829 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 830 } 831 } 832 833 _exit_open: 834 up(&mgr->setup_mutex); 835 836 return err; 837 } 838 839 840 841 static int snd_mixart_close(snd_pcm_substream_t *subs) 842 { 843 mixart_t *chip = snd_pcm_substream_chip(subs); 844 mixart_mgr_t *mgr = chip->mgr; 845 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data; 846 847 down(&mgr->setup_mutex); 848 849 snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number); 850 851 /* sample rate released */ 852 if(--mgr->ref_count_rate == 0) { 853 mgr->sample_rate = 0; 854 } 855 856 /* delete pipe */ 857 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) { 858 859 snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number); 860 } 861 862 stream->pipe = NULL; 863 stream->status = MIXART_STREAM_STATUS_FREE; 864 stream->substream = NULL; 865 866 up(&mgr->setup_mutex); 867 return 0; 868 } 869 870 871 static snd_pcm_uframes_t snd_mixart_stream_pointer(snd_pcm_substream_t * subs) 872 { 873 snd_pcm_runtime_t *runtime = subs->runtime; 874 mixart_stream_t *stream = (mixart_stream_t*)runtime->private_data; 875 876 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag); 877 } 878 879 880 881 static snd_pcm_ops_t snd_mixart_playback_ops = { 882 .open = snd_mixart_playback_open, 883 .close = snd_mixart_close, 884 .ioctl = snd_pcm_lib_ioctl, 885 .prepare = snd_mixart_prepare, 886 .hw_params = snd_mixart_hw_params, 887 .hw_free = snd_mixart_hw_free, 888 .trigger = snd_mixart_trigger, 889 .pointer = snd_mixart_stream_pointer, 890 }; 891 892 static snd_pcm_ops_t snd_mixart_capture_ops = { 893 .open = snd_mixart_capture_open, 894 .close = snd_mixart_close, 895 .ioctl = snd_pcm_lib_ioctl, 896 .prepare = snd_mixart_prepare, 897 .hw_params = snd_mixart_hw_params, 898 .hw_free = snd_mixart_hw_free, 899 .trigger = snd_mixart_trigger, 900 .pointer = snd_mixart_stream_pointer, 901 }; 902 903 static void preallocate_buffers(mixart_t *chip, snd_pcm_t *pcm) 904 { 905 #if 0 906 snd_pcm_substream_t *subs; 907 int stream; 908 909 for (stream = 0; stream < 2; stream++) { 910 int idx = 0; 911 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++) 912 /* set up the unique device id with the chip index */ 913 subs->dma_device.id = subs->pcm->device << 16 | 914 subs->stream << 8 | (subs->number + 1) | 915 (chip->chip_idx + 1) << 24; 916 } 917 #endif 918 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 919 snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024); 920 } 921 922 /* 923 */ 924 static int snd_mixart_pcm_analog(mixart_t *chip) 925 { 926 int err; 927 snd_pcm_t *pcm; 928 char name[32]; 929 930 sprintf(name, "miXart analog %d", chip->chip_idx); 931 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, 932 MIXART_PLAYBACK_STREAMS, 933 MIXART_CAPTURE_STREAMS, &pcm)) < 0) { 934 snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx); 935 return err; 936 } 937 938 pcm->private_data = chip; 939 940 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); 941 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); 942 943 pcm->info_flags = 0; 944 strcpy(pcm->name, name); 945 946 preallocate_buffers(chip, pcm); 947 948 chip->pcm = pcm; 949 return 0; 950 } 951 952 953 /* 954 */ 955 static int snd_mixart_pcm_digital(mixart_t *chip) 956 { 957 int err; 958 snd_pcm_t *pcm; 959 char name[32]; 960 961 sprintf(name, "miXart AES/EBU %d", chip->chip_idx); 962 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, 963 MIXART_PLAYBACK_STREAMS, 964 MIXART_CAPTURE_STREAMS, &pcm)) < 0) { 965 snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx); 966 return err; 967 } 968 969 pcm->private_data = chip; 970 971 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); 972 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); 973 974 pcm->info_flags = 0; 975 strcpy(pcm->name, name); 976 977 preallocate_buffers(chip, pcm); 978 979 chip->pcm_dig = pcm; 980 return 0; 981 } 982 983 static int snd_mixart_chip_free(mixart_t *chip) 984 { 985 kfree(chip); 986 return 0; 987 } 988 989 static int snd_mixart_chip_dev_free(snd_device_t *device) 990 { 991 mixart_t *chip = device->device_data; 992 return snd_mixart_chip_free(chip); 993 } 994 995 996 /* 997 */ 998 static int __devinit snd_mixart_create(mixart_mgr_t *mgr, snd_card_t *card, int idx) 999 { 1000 int err; 1001 mixart_t *chip; 1002 static snd_device_ops_t ops = { 1003 .dev_free = snd_mixart_chip_dev_free, 1004 }; 1005 1006 mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1007 if (! chip) { 1008 snd_printk(KERN_ERR "cannot allocate chip\n"); 1009 return -ENOMEM; 1010 } 1011 1012 chip->card = card; 1013 chip->chip_idx = idx; 1014 chip->mgr = mgr; 1015 1016 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1017 snd_mixart_chip_free(chip); 1018 return err; 1019 } 1020 1021 snd_card_set_dev(card, &mgr->pci->dev); 1022 1023 return 0; 1024 } 1025 1026 int snd_mixart_create_pcm(mixart_t* chip) 1027 { 1028 int err; 1029 1030 err = snd_mixart_pcm_analog(chip); 1031 if (err < 0) 1032 return err; 1033 1034 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) { 1035 1036 err = snd_mixart_pcm_digital(chip); 1037 if (err < 0) 1038 return err; 1039 } 1040 return err; 1041 } 1042 1043 1044 /* 1045 * release all the cards assigned to a manager instance 1046 */ 1047 static int snd_mixart_free(mixart_mgr_t *mgr) 1048 { 1049 unsigned int i; 1050 1051 for (i = 0; i < mgr->num_cards; i++) { 1052 if (mgr->chip[i]) 1053 snd_card_free(mgr->chip[i]->card); 1054 } 1055 1056 /* stop mailbox */ 1057 snd_mixart_exit_mailbox(mgr); 1058 1059 /* release irq */ 1060 if (mgr->irq >= 0) 1061 free_irq(mgr->irq, (void *)mgr); 1062 1063 /* reset board if some firmware was loaded */ 1064 if(mgr->dsp_loaded) { 1065 snd_mixart_reset_board(mgr); 1066 snd_printdd("reset miXart !\n"); 1067 } 1068 1069 /* release the i/o ports */ 1070 for (i = 0; i < 2; i++) { 1071 if (mgr->mem[i].virt) 1072 iounmap(mgr->mem[i].virt); 1073 } 1074 pci_release_regions(mgr->pci); 1075 1076 /* free flowarray */ 1077 if(mgr->flowinfo.area) { 1078 snd_dma_free_pages(&mgr->flowinfo); 1079 mgr->flowinfo.area = NULL; 1080 } 1081 /* free bufferarray */ 1082 if(mgr->bufferinfo.area) { 1083 snd_dma_free_pages(&mgr->bufferinfo); 1084 mgr->bufferinfo.area = NULL; 1085 } 1086 1087 pci_disable_device(mgr->pci); 1088 kfree(mgr); 1089 return 0; 1090 } 1091 1092 /* 1093 * proc interface 1094 */ 1095 static long long snd_mixart_BA0_llseek(snd_info_entry_t *entry, 1096 void *private_file_data, 1097 struct file *file, 1098 long long offset, 1099 int orig) 1100 { 1101 offset = offset & ~3; /* 4 bytes aligned */ 1102 1103 switch(orig) { 1104 case 0: /* SEEK_SET */ 1105 file->f_pos = offset; 1106 break; 1107 case 1: /* SEEK_CUR */ 1108 file->f_pos += offset; 1109 break; 1110 case 2: /* SEEK_END, offset is negative */ 1111 file->f_pos = MIXART_BA0_SIZE + offset; 1112 break; 1113 default: 1114 return -EINVAL; 1115 } 1116 if(file->f_pos > MIXART_BA0_SIZE) 1117 file->f_pos = MIXART_BA0_SIZE; 1118 return file->f_pos; 1119 } 1120 1121 static long long snd_mixart_BA1_llseek(snd_info_entry_t *entry, 1122 void *private_file_data, 1123 struct file *file, 1124 long long offset, 1125 int orig) 1126 { 1127 offset = offset & ~3; /* 4 bytes aligned */ 1128 1129 switch(orig) { 1130 case 0: /* SEEK_SET */ 1131 file->f_pos = offset; 1132 break; 1133 case 1: /* SEEK_CUR */ 1134 file->f_pos += offset; 1135 break; 1136 case 2: /* SEEK_END, offset is negative */ 1137 file->f_pos = MIXART_BA1_SIZE + offset; 1138 break; 1139 default: 1140 return -EINVAL; 1141 } 1142 if(file->f_pos > MIXART_BA1_SIZE) 1143 file->f_pos = MIXART_BA1_SIZE; 1144 return file->f_pos; 1145 } 1146 1147 /* 1148 mixart_BA0 proc interface for BAR 0 - read callback 1149 */ 1150 static long snd_mixart_BA0_read(snd_info_entry_t *entry, void *file_private_data, 1151 struct file *file, char __user *buf, 1152 unsigned long count, unsigned long pos) 1153 { 1154 mixart_mgr_t *mgr = entry->private_data; 1155 1156 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1157 if(count <= 0) 1158 return 0; 1159 if(pos + count > MIXART_BA0_SIZE) 1160 count = (long)(MIXART_BA0_SIZE - pos); 1161 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count)) 1162 return -EFAULT; 1163 return count; 1164 } 1165 1166 /* 1167 mixart_BA1 proc interface for BAR 1 - read callback 1168 */ 1169 static long snd_mixart_BA1_read(snd_info_entry_t *entry, void *file_private_data, 1170 struct file *file, char __user *buf, 1171 unsigned long count, unsigned long pos) 1172 { 1173 mixart_mgr_t *mgr = entry->private_data; 1174 1175 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1176 if(count <= 0) 1177 return 0; 1178 if(pos + count > MIXART_BA1_SIZE) 1179 count = (long)(MIXART_BA1_SIZE - pos); 1180 if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count)) 1181 return -EFAULT; 1182 return count; 1183 } 1184 1185 static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = { 1186 .read = snd_mixart_BA0_read, 1187 .llseek = snd_mixart_BA0_llseek 1188 }; 1189 1190 static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = { 1191 .read = snd_mixart_BA1_read, 1192 .llseek = snd_mixart_BA1_llseek 1193 }; 1194 1195 1196 static void snd_mixart_proc_read(snd_info_entry_t *entry, 1197 snd_info_buffer_t * buffer) 1198 { 1199 mixart_t *chip = entry->private_data; 1200 u32 ref; 1201 1202 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx); 1203 1204 /* stats available when embedded OS is running */ 1205 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) { 1206 snd_iprintf(buffer, "- hardware -\n"); 1207 switch (chip->mgr->board_type ) { 1208 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break; 1209 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break; 1210 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break; 1211 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break; 1212 } 1213 1214 snd_iprintf(buffer, "- system load -\n"); 1215 1216 /* get perf reference */ 1217 1218 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET)); 1219 1220 if (ref) { 1221 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref; 1222 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref; 1223 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref; 1224 1225 snd_iprintf(buffer, "\tstreaming : %d\n", streaming); 1226 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox); 1227 snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr); 1228 } 1229 } /* endif elf loaded */ 1230 } 1231 1232 static void __devinit snd_mixart_proc_init(mixart_t *chip) 1233 { 1234 snd_info_entry_t *entry; 1235 1236 /* text interface to read perf and temp meters */ 1237 if (! snd_card_proc_new(chip->card, "board_info", &entry)) { 1238 entry->private_data = chip; 1239 entry->c.text.read_size = 1024; 1240 entry->c.text.read = snd_mixart_proc_read; 1241 } 1242 1243 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) { 1244 entry->content = SNDRV_INFO_CONTENT_DATA; 1245 entry->private_data = chip->mgr; 1246 entry->c.ops = &snd_mixart_proc_ops_BA0; 1247 entry->size = MIXART_BA0_SIZE; 1248 } 1249 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) { 1250 entry->content = SNDRV_INFO_CONTENT_DATA; 1251 entry->private_data = chip->mgr; 1252 entry->c.ops = &snd_mixart_proc_ops_BA1; 1253 entry->size = MIXART_BA1_SIZE; 1254 } 1255 } 1256 /* end of proc interface */ 1257 1258 1259 /* 1260 * probe function - creates the card manager 1261 */ 1262 static int __devinit snd_mixart_probe(struct pci_dev *pci, 1263 const struct pci_device_id *pci_id) 1264 { 1265 static int dev; 1266 mixart_mgr_t *mgr; 1267 unsigned int i; 1268 int err; 1269 size_t size; 1270 1271 /* 1272 */ 1273 if (dev >= SNDRV_CARDS) 1274 return -ENODEV; 1275 if (! enable[dev]) { 1276 dev++; 1277 return -ENOENT; 1278 } 1279 1280 /* enable PCI device */ 1281 if ((err = pci_enable_device(pci)) < 0) 1282 return err; 1283 pci_set_master(pci); 1284 1285 /* check if we can restrict PCI DMA transfers to 32 bits */ 1286 if (pci_set_dma_mask(pci, 0xffffffff) < 0) { 1287 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n"); 1288 pci_disable_device(pci); 1289 return -ENXIO; 1290 } 1291 1292 /* 1293 */ 1294 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); 1295 if (! mgr) { 1296 pci_disable_device(pci); 1297 return -ENOMEM; 1298 } 1299 1300 mgr->pci = pci; 1301 mgr->irq = -1; 1302 1303 /* resource assignment */ 1304 if ((err = pci_request_regions(pci, CARD_NAME)) < 0) { 1305 kfree(mgr); 1306 pci_disable_device(pci); 1307 return err; 1308 } 1309 for (i = 0; i < 2; i++) { 1310 mgr->mem[i].phys = pci_resource_start(pci, i); 1311 mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys, 1312 pci_resource_len(pci, i)); 1313 } 1314 1315 if (request_irq(pci->irq, snd_mixart_interrupt, SA_INTERRUPT|SA_SHIRQ, CARD_NAME, (void *)mgr)) { 1316 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 1317 snd_mixart_free(mgr); 1318 return -EBUSY; 1319 } 1320 mgr->irq = pci->irq; 1321 1322 sprintf(mgr->shortname, "Digigram miXart"); 1323 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq); 1324 1325 /* ISR spinlock */ 1326 spin_lock_init(&mgr->lock); 1327 1328 /* init mailbox */ 1329 mgr->msg_fifo_readptr = 0; 1330 mgr->msg_fifo_writeptr = 0; 1331 1332 spin_lock_init(&mgr->msg_lock); 1333 init_MUTEX(&mgr->msg_mutex); 1334 init_waitqueue_head(&mgr->msg_sleep); 1335 atomic_set(&mgr->msg_processed, 0); 1336 1337 /* init setup mutex*/ 1338 init_MUTEX(&mgr->setup_mutex); 1339 1340 /* init message taslket */ 1341 tasklet_init( &mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr); 1342 1343 /* card assignment */ 1344 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */ 1345 for (i = 0; i < mgr->num_cards; i++) { 1346 snd_card_t *card; 1347 char tmpid[16]; 1348 int idx; 1349 1350 if (index[dev] < 0) 1351 idx = index[dev]; 1352 else 1353 idx = index[dev] + i; 1354 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i); 1355 card = snd_card_new(idx, tmpid, THIS_MODULE, 0); 1356 1357 if (! card) { 1358 snd_printk(KERN_ERR "cannot allocate the card %d\n", i); 1359 snd_mixart_free(mgr); 1360 return -ENOMEM; 1361 } 1362 1363 strcpy(card->driver, CARD_NAME); 1364 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i); 1365 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i); 1366 1367 if ((err = snd_mixart_create(mgr, card, i)) < 0) { 1368 snd_mixart_free(mgr); 1369 return err; 1370 } 1371 1372 if(i==0) { 1373 /* init proc interface only for chip0 */ 1374 snd_mixart_proc_init(mgr->chip[i]); 1375 } 1376 1377 if ((err = snd_card_register(card)) < 0) { 1378 snd_mixart_free(mgr); 1379 return err; 1380 } 1381 } 1382 1383 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */ 1384 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE; 1385 1386 /* create array of streaminfo */ 1387 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_flowinfo_t)) ); 1388 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1389 size, &mgr->flowinfo) < 0) { 1390 snd_mixart_free(mgr); 1391 return -ENOMEM; 1392 } 1393 /* init streaminfo_array */ 1394 memset(mgr->flowinfo.area, 0, size); 1395 1396 /* create array of bufferinfo */ 1397 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_bufferinfo_t)) ); 1398 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1399 size, &mgr->bufferinfo) < 0) { 1400 snd_mixart_free(mgr); 1401 return -ENOMEM; 1402 } 1403 /* init bufferinfo_array */ 1404 memset(mgr->bufferinfo.area, 0, size); 1405 1406 /* set up firmware */ 1407 err = snd_mixart_setup_firmware(mgr); 1408 if (err < 0) { 1409 snd_mixart_free(mgr); 1410 return err; 1411 } 1412 1413 pci_set_drvdata(pci, mgr); 1414 dev++; 1415 return 0; 1416 } 1417 1418 static void __devexit snd_mixart_remove(struct pci_dev *pci) 1419 { 1420 snd_mixart_free(pci_get_drvdata(pci)); 1421 pci_set_drvdata(pci, NULL); 1422 } 1423 1424 static struct pci_driver driver = { 1425 .name = "Digigram miXart", 1426 .id_table = snd_mixart_ids, 1427 .probe = snd_mixart_probe, 1428 .remove = __devexit_p(snd_mixart_remove), 1429 }; 1430 1431 static int __init alsa_card_mixart_init(void) 1432 { 1433 return pci_register_driver(&driver); 1434 } 1435 1436 static void __exit alsa_card_mixart_exit(void) 1437 { 1438 pci_unregister_driver(&driver); 1439 } 1440 1441 module_init(alsa_card_mixart_init) 1442 module_exit(alsa_card_mixart_exit) 1443