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(struct mixart_mgr *mgr, 70 struct mixart_pipe *pipe, int start) 71 { 72 struct mixart_group_state_req group_state; 73 struct mixart_group_state_resp group_state_resp; 74 struct mixart_msg request; 75 int err; 76 u32 system_msg_uid; 77 78 switch(pipe->status) { 79 case PIPE_RUNNING: 80 case PIPE_CLOCK_SET: 81 if(start) return 0; /* already started */ 82 break; 83 case PIPE_STOPPED: 84 if(!start) return 0; /* already stopped */ 85 break; 86 default: 87 snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n"); 88 return -EINVAL; /* function called with wrong pipe status */ 89 } 90 91 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */ 92 93 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */ 94 95 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD; 96 request.uid = (struct mixart_uid){0,0}; 97 request.data = &system_msg_uid; 98 request.size = sizeof(system_msg_uid); 99 100 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid); 101 if(err) { 102 snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n"); 103 return err; 104 } 105 106 /* start or stop the pipe (1 pipe) */ 107 108 memset(&group_state, 0, sizeof(group_state)); 109 group_state.pipe_count = 1; 110 group_state.pipe_uid[0] = pipe->group_uid; 111 112 if(start) 113 request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET; 114 else 115 request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET; 116 117 request.uid = pipe->group_uid; /*(struct mixart_uid){0,0};*/ 118 request.data = &group_state; 119 request.size = sizeof(group_state); 120 121 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); 122 if (err < 0 || group_state_resp.txx_status != 0) { 123 snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status); 124 return -EINVAL; 125 } 126 127 if(start) { 128 u32 stat; 129 130 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */ 131 132 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); 133 if (err < 0 || group_state_resp.txx_status != 0) { 134 snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status); 135 return -EINVAL; 136 } 137 138 /* in case of start send a synchro top */ 139 140 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD; 141 request.uid = (struct mixart_uid){0,0}; 142 request.data = NULL; 143 request.size = 0; 144 145 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat); 146 if (err < 0 || stat != 0) { 147 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat); 148 return -EINVAL; 149 } 150 151 pipe->status = PIPE_RUNNING; 152 } 153 else /* !start */ 154 pipe->status = PIPE_STOPPED; 155 156 return 0; 157 } 158 159 160 static int mixart_set_clock(struct mixart_mgr *mgr, 161 struct mixart_pipe *pipe, unsigned int rate) 162 { 163 struct mixart_msg request; 164 struct mixart_clock_properties clock_properties; 165 struct mixart_clock_properties_resp clock_prop_resp; 166 int err; 167 168 switch(pipe->status) { 169 case PIPE_CLOCK_SET: 170 break; 171 case PIPE_RUNNING: 172 if(rate != 0) 173 break; 174 default: 175 if(rate == 0) 176 return 0; /* nothing to do */ 177 else { 178 snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate); 179 return -EINVAL; 180 } 181 } 182 183 memset(&clock_properties, 0, sizeof(clock_properties)); 184 clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK; 185 clock_properties.clock_mode = CM_STANDALONE; 186 clock_properties.frequency = rate; 187 clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */ 188 clock_properties.uid_caller[0] = pipe->group_uid; 189 190 snd_printdd("mixart_set_clock to %d kHz\n", rate); 191 192 request.message_id = MSG_CLOCK_SET_PROPERTIES; 193 request.uid = mgr->uid_console_manager; 194 request.data = &clock_properties; 195 request.size = sizeof(clock_properties); 196 197 err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp); 198 if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) { 199 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); 200 return -EINVAL; 201 } 202 203 if(rate) pipe->status = PIPE_CLOCK_SET; 204 else pipe->status = PIPE_RUNNING; 205 206 return 0; 207 } 208 209 210 /* 211 * Allocate or reference output pipe for analog IOs (pcmp0/1) 212 */ 213 struct mixart_pipe * 214 snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, 215 int monitoring) 216 { 217 int stream_count; 218 struct mixart_pipe *pipe; 219 struct mixart_msg request; 220 221 if(capture) { 222 if (pcm_number == MIXART_PCM_ANALOG) { 223 pipe = &(chip->pipe_in_ana); /* analog inputs */ 224 } else { 225 pipe = &(chip->pipe_in_dig); /* digital inputs */ 226 } 227 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP; 228 stream_count = MIXART_CAPTURE_STREAMS; 229 } else { 230 if (pcm_number == MIXART_PCM_ANALOG) { 231 pipe = &(chip->pipe_out_ana); /* analog outputs */ 232 } else { 233 pipe = &(chip->pipe_out_dig); /* digital outputs */ 234 } 235 request.message_id = MSG_STREAM_ADD_INPUT_GROUP; 236 stream_count = MIXART_PLAYBACK_STREAMS; 237 } 238 239 /* a new stream is opened and there are already all streams in use */ 240 if( (monitoring == 0) && (pipe->references >= stream_count) ) { 241 return NULL; 242 } 243 244 /* pipe is not yet defined */ 245 if( pipe->status == PIPE_UNDEFINED ) { 246 int err, i; 247 struct { 248 struct mixart_streaming_group_req sgroup_req; 249 struct mixart_streaming_group sgroup_resp; 250 } *buf; 251 252 snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number); 253 254 buf = kmalloc(sizeof(*buf), GFP_KERNEL); 255 if (!buf) 256 return NULL; 257 258 request.uid = (struct mixart_uid){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */ 259 request.data = &buf->sgroup_req; 260 request.size = sizeof(buf->sgroup_req); 261 262 memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req)); 263 264 buf->sgroup_req.stream_count = stream_count; 265 buf->sgroup_req.channel_count = 2; 266 buf->sgroup_req.latency = 256; 267 buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */ 268 269 for (i=0; i<stream_count; i++) { 270 int j; 271 struct mixart_flowinfo *flowinfo; 272 struct mixart_bufferinfo *bufferinfo; 273 274 /* we don't yet know the format, so config 16 bit pcm audio for instance */ 275 buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024; 276 buf->sgroup_req.stream_info[i].size_max_sample_frame = 256; 277 buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */ 278 279 /* find the right bufferinfo_array */ 280 j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i; 281 if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */ 282 283 buf->sgroup_req.flow_entry[i] = j; 284 285 flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area; 286 flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo)); 287 flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */ 288 289 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; 290 bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */ 291 bufferinfo[j].available_length = 0; /* buffer is not yet allocated */ 292 293 /* construct the identifier of the stream buffer received in the interrupts ! */ 294 bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i; 295 if(capture) { 296 bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK; 297 } 298 } 299 300 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp); 301 if((err < 0) || (buf->sgroup_resp.status != 0)) { 302 snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status); 303 kfree(buf); 304 return NULL; 305 } 306 307 pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */ 308 pipe->stream_count = buf->sgroup_resp.stream_count; 309 /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */ 310 311 pipe->status = PIPE_STOPPED; 312 kfree(buf); 313 } 314 315 if(monitoring) pipe->monitoring = 1; 316 else pipe->references++; 317 318 return pipe; 319 } 320 321 322 int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, 323 struct mixart_pipe *pipe, int monitoring) 324 { 325 int err = 0; 326 327 if(pipe->status == PIPE_UNDEFINED) 328 return 0; 329 330 if(monitoring) 331 pipe->monitoring = 0; 332 else 333 pipe->references--; 334 335 if((pipe->references <= 0) && (pipe->monitoring == 0)) { 336 337 struct mixart_msg request; 338 struct mixart_delete_group_resp delete_resp; 339 340 /* release the clock */ 341 err = mixart_set_clock( mgr, pipe, 0); 342 if( err < 0 ) { 343 snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n"); 344 } 345 346 /* stop the pipe */ 347 err = mixart_set_pipe_state(mgr, pipe, 0); 348 if( err < 0 ) { 349 snd_printk(KERN_ERR "error stopping pipe!\n"); 350 } 351 352 request.message_id = MSG_STREAM_DELETE_GROUP; 353 request.uid = (struct mixart_uid){0,0}; 354 request.data = &pipe->group_uid; /* the streaming group ! */ 355 request.size = sizeof(pipe->group_uid); 356 357 /* delete the pipe */ 358 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp); 359 if ((err < 0) || (delete_resp.status != 0)) { 360 snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status); 361 } 362 363 pipe->group_uid = (struct mixart_uid){0,0}; 364 pipe->stream_count = 0; 365 pipe->status = PIPE_UNDEFINED; 366 } 367 368 return err; 369 } 370 371 static int mixart_set_stream_state(struct mixart_stream *stream, int start) 372 { 373 struct snd_mixart *chip; 374 struct mixart_stream_state_req stream_state_req; 375 struct mixart_msg request; 376 377 if(!stream->substream) 378 return -EINVAL; 379 380 memset(&stream_state_req, 0, sizeof(stream_state_req)); 381 stream_state_req.stream_count = 1; 382 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid; 383 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number; 384 385 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 386 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET; 387 else 388 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET; 389 390 request.uid = (struct mixart_uid){0,0}; 391 request.data = &stream_state_req; 392 request.size = sizeof(stream_state_req); 393 394 stream->abs_period_elapsed = 0; /* reset stream pos */ 395 stream->buf_periods = 0; 396 stream->buf_period_frag = 0; 397 398 chip = snd_pcm_substream_chip(stream->substream); 399 400 return snd_mixart_send_msg_nonblock(chip->mgr, &request); 401 } 402 403 /* 404 * Trigger callback 405 */ 406 407 static int snd_mixart_trigger(struct snd_pcm_substream *subs, int cmd) 408 { 409 struct mixart_stream *stream = subs->runtime->private_data; 410 411 switch (cmd) { 412 case SNDRV_PCM_TRIGGER_START: 413 414 snd_printdd("SNDRV_PCM_TRIGGER_START\n"); 415 416 /* START_STREAM */ 417 if( mixart_set_stream_state(stream, 1) ) 418 return -EINVAL; 419 420 stream->status = MIXART_STREAM_STATUS_RUNNING; 421 422 break; 423 case SNDRV_PCM_TRIGGER_STOP: 424 425 /* STOP_STREAM */ 426 if( mixart_set_stream_state(stream, 0) ) 427 return -EINVAL; 428 429 stream->status = MIXART_STREAM_STATUS_OPEN; 430 431 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n"); 432 433 break; 434 435 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 436 /* TODO */ 437 stream->status = MIXART_STREAM_STATUS_PAUSE; 438 snd_printdd("SNDRV_PCM_PAUSE_PUSH\n"); 439 break; 440 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 441 /* TODO */ 442 stream->status = MIXART_STREAM_STATUS_RUNNING; 443 snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n"); 444 break; 445 default: 446 return -EINVAL; 447 } 448 return 0; 449 } 450 451 static int mixart_sync_nonblock_events(struct mixart_mgr *mgr) 452 { 453 unsigned long timeout = jiffies + HZ; 454 while (atomic_read(&mgr->msg_processed) > 0) { 455 if (time_after(jiffies, timeout)) { 456 snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n"); 457 return -EBUSY; 458 } 459 schedule_timeout_uninterruptible(1); 460 } 461 return 0; 462 } 463 464 /* 465 * prepare callback for all pcms 466 */ 467 static int snd_mixart_prepare(struct snd_pcm_substream *subs) 468 { 469 struct snd_mixart *chip = snd_pcm_substream_chip(subs); 470 struct mixart_stream *stream = subs->runtime->private_data; 471 472 /* TODO de fa�on non bloquante, r�appliquer les hw_params (rate, bits, codec) */ 473 474 snd_printdd("snd_mixart_prepare\n"); 475 476 mixart_sync_nonblock_events(chip->mgr); 477 478 /* only the first stream can choose the sample rate */ 479 /* the further opened streams will be limited to its frequency (see open) */ 480 if(chip->mgr->ref_count_rate == 1) 481 chip->mgr->sample_rate = subs->runtime->rate; 482 483 /* set the clock only once (first stream) on the same pipe */ 484 if(stream->pipe->references == 1) { 485 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) ) 486 return -EINVAL; 487 } 488 489 return 0; 490 } 491 492 493 static int mixart_set_format(struct mixart_stream *stream, snd_pcm_format_t format) 494 { 495 int err; 496 struct snd_mixart *chip; 497 struct mixart_msg request; 498 struct mixart_stream_param_desc stream_param; 499 struct mixart_return_uid resp; 500 501 chip = snd_pcm_substream_chip(stream->substream); 502 503 memset(&stream_param, 0, sizeof(stream_param)); 504 505 stream_param.coding_type = CT_LINEAR; 506 stream_param.number_of_channel = stream->channels; 507 508 stream_param.sampling_freq = chip->mgr->sample_rate; 509 if(stream_param.sampling_freq == 0) 510 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */ 511 512 switch(format){ 513 case SNDRV_PCM_FORMAT_U8: 514 stream_param.sample_type = ST_INTEGER_8; 515 stream_param.sample_size = 8; 516 break; 517 case SNDRV_PCM_FORMAT_S16_LE: 518 stream_param.sample_type = ST_INTEGER_16LE; 519 stream_param.sample_size = 16; 520 break; 521 case SNDRV_PCM_FORMAT_S16_BE: 522 stream_param.sample_type = ST_INTEGER_16BE; 523 stream_param.sample_size = 16; 524 break; 525 case SNDRV_PCM_FORMAT_S24_3LE: 526 stream_param.sample_type = ST_INTEGER_24LE; 527 stream_param.sample_size = 24; 528 break; 529 case SNDRV_PCM_FORMAT_S24_3BE: 530 stream_param.sample_type = ST_INTEGER_24BE; 531 stream_param.sample_size = 24; 532 break; 533 case SNDRV_PCM_FORMAT_FLOAT_LE: 534 stream_param.sample_type = ST_FLOATING_POINT_32LE; 535 stream_param.sample_size = 32; 536 break; 537 case SNDRV_PCM_FORMAT_FLOAT_BE: 538 stream_param.sample_type = ST_FLOATING_POINT_32BE; 539 stream_param.sample_size = 32; 540 break; 541 default: 542 snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n"); 543 return -EINVAL; 544 } 545 546 snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n", 547 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels); 548 549 /* TODO: what else to configure ? */ 550 /* stream_param.samples_per_frame = 2; */ 551 /* stream_param.bytes_per_frame = 4; */ 552 /* stream_param.bytes_per_sample = 2; */ 553 554 stream_param.pipe_count = 1; /* set to 1 */ 555 stream_param.stream_count = 1; /* set to 1 */ 556 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid; 557 stream_param.stream_desc[0].stream_idx = stream->substream->number; 558 559 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM; 560 request.uid = (struct mixart_uid){0,0}; 561 request.data = &stream_param; 562 request.size = sizeof(stream_param); 563 564 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp); 565 if((err < 0) || resp.error_code) { 566 snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code); 567 return -EINVAL; 568 } 569 return 0; 570 } 571 572 573 /* 574 * HW_PARAMS callback for all pcms 575 */ 576 static int snd_mixart_hw_params(struct snd_pcm_substream *subs, 577 struct snd_pcm_hw_params *hw) 578 { 579 struct snd_mixart *chip = snd_pcm_substream_chip(subs); 580 struct mixart_mgr *mgr = chip->mgr; 581 struct mixart_stream *stream = subs->runtime->private_data; 582 snd_pcm_format_t format; 583 int err; 584 int channels; 585 586 /* set up channels */ 587 channels = params_channels(hw); 588 589 /* set up format for the stream */ 590 format = params_format(hw); 591 592 down(&mgr->setup_mutex); 593 594 /* update the stream levels */ 595 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) { 596 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG; 597 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) 598 mixart_update_playback_stream_level(chip, is_aes, subs->number); 599 else 600 mixart_update_capture_stream_level( chip, is_aes); 601 } 602 603 stream->channels = channels; 604 605 /* set the format to the board */ 606 err = mixart_set_format(stream, format); 607 if(err < 0) { 608 return err; 609 } 610 611 /* allocate buffer */ 612 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw)); 613 614 if (err > 0) { 615 struct mixart_bufferinfo *bufferinfo; 616 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number; 617 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) { 618 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */ 619 } 620 621 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; 622 bufferinfo[i].buffer_address = subs->runtime->dma_addr; 623 bufferinfo[i].available_length = subs->runtime->dma_bytes; 624 /* bufferinfo[i].buffer_id is already defined */ 625 626 snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i, 627 bufferinfo[i].buffer_address, 628 bufferinfo[i].available_length, 629 subs->number); 630 } 631 up(&mgr->setup_mutex); 632 633 return err; 634 } 635 636 static int snd_mixart_hw_free(struct snd_pcm_substream *subs) 637 { 638 struct snd_mixart *chip = snd_pcm_substream_chip(subs); 639 snd_pcm_lib_free_pages(subs); 640 mixart_sync_nonblock_events(chip->mgr); 641 return 0; 642 } 643 644 645 646 /* 647 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max 648 */ 649 static struct snd_pcm_hardware snd_mixart_analog_caps = 650 { 651 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 652 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | 653 SNDRV_PCM_INFO_PAUSE), 654 .formats = ( SNDRV_PCM_FMTBIT_U8 | 655 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | 656 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | 657 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), 658 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 659 .rate_min = 8000, 660 .rate_max = 48000, 661 .channels_min = 1, 662 .channels_max = 2, 663 .buffer_bytes_max = (32*1024), 664 .period_bytes_min = 256, /* 256 frames U8 mono*/ 665 .period_bytes_max = (16*1024), 666 .periods_min = 2, 667 .periods_max = (32*1024/256), 668 }; 669 670 static struct snd_pcm_hardware snd_mixart_digital_caps = 671 { 672 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 673 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | 674 SNDRV_PCM_INFO_PAUSE), 675 .formats = ( SNDRV_PCM_FMTBIT_U8 | 676 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | 677 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | 678 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), 679 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, 680 .rate_min = 32000, 681 .rate_max = 48000, 682 .channels_min = 1, 683 .channels_max = 2, 684 .buffer_bytes_max = (32*1024), 685 .period_bytes_min = 256, /* 256 frames U8 mono*/ 686 .period_bytes_max = (16*1024), 687 .periods_min = 2, 688 .periods_max = (32*1024/256), 689 }; 690 691 692 static int snd_mixart_playback_open(struct snd_pcm_substream *subs) 693 { 694 struct snd_mixart *chip = snd_pcm_substream_chip(subs); 695 struct mixart_mgr *mgr = chip->mgr; 696 struct snd_pcm_runtime *runtime = subs->runtime; 697 struct snd_pcm *pcm = subs->pcm; 698 struct mixart_stream *stream; 699 struct mixart_pipe *pipe; 700 int err = 0; 701 int pcm_number; 702 703 down(&mgr->setup_mutex); 704 705 if ( pcm == chip->pcm ) { 706 pcm_number = MIXART_PCM_ANALOG; 707 runtime->hw = snd_mixart_analog_caps; 708 } else { 709 snd_assert ( pcm == chip->pcm_dig ); 710 pcm_number = MIXART_PCM_DIGITAL; 711 runtime->hw = snd_mixart_digital_caps; 712 } 713 snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); 714 715 /* get stream info */ 716 stream = &(chip->playback_stream[pcm_number][subs->number]); 717 718 if (stream->status != MIXART_STREAM_STATUS_FREE){ 719 /* streams in use */ 720 snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); 721 err = -EBUSY; 722 goto _exit_open; 723 } 724 725 /* get pipe pointer (out pipe) */ 726 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0); 727 728 if (pipe == NULL) { 729 err = -EINVAL; 730 goto _exit_open; 731 } 732 733 /* start the pipe if necessary */ 734 err = mixart_set_pipe_state(chip->mgr, pipe, 1); 735 if( err < 0 ) { 736 snd_printk(KERN_ERR "error starting pipe!\n"); 737 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); 738 err = -EINVAL; 739 goto _exit_open; 740 } 741 742 stream->pipe = pipe; 743 stream->pcm_number = pcm_number; 744 stream->status = MIXART_STREAM_STATUS_OPEN; 745 stream->substream = subs; 746 stream->channels = 0; /* not configured yet */ 747 748 runtime->private_data = stream; 749 750 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); 751 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); 752 753 /* if a sample rate is already used, another stream cannot change */ 754 if(mgr->ref_count_rate++) { 755 if(mgr->sample_rate) { 756 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 757 } 758 } 759 760 _exit_open: 761 up(&mgr->setup_mutex); 762 763 return err; 764 } 765 766 767 static int snd_mixart_capture_open(struct snd_pcm_substream *subs) 768 { 769 struct snd_mixart *chip = snd_pcm_substream_chip(subs); 770 struct mixart_mgr *mgr = chip->mgr; 771 struct snd_pcm_runtime *runtime = subs->runtime; 772 struct snd_pcm *pcm = subs->pcm; 773 struct mixart_stream *stream; 774 struct mixart_pipe *pipe; 775 int err = 0; 776 int pcm_number; 777 778 down(&mgr->setup_mutex); 779 780 if ( pcm == chip->pcm ) { 781 pcm_number = MIXART_PCM_ANALOG; 782 runtime->hw = snd_mixart_analog_caps; 783 } else { 784 snd_assert ( pcm == chip->pcm_dig ); 785 pcm_number = MIXART_PCM_DIGITAL; 786 runtime->hw = snd_mixart_digital_caps; 787 } 788 789 runtime->hw.channels_min = 2; /* for instance, no mono */ 790 791 snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number); 792 793 /* get stream info */ 794 stream = &(chip->capture_stream[pcm_number]); 795 796 if (stream->status != MIXART_STREAM_STATUS_FREE){ 797 /* streams in use */ 798 snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number); 799 err = -EBUSY; 800 goto _exit_open; 801 } 802 803 /* get pipe pointer (in pipe) */ 804 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0); 805 806 if (pipe == NULL) { 807 err = -EINVAL; 808 goto _exit_open; 809 } 810 811 /* start the pipe if necessary */ 812 err = mixart_set_pipe_state(chip->mgr, pipe, 1); 813 if( err < 0 ) { 814 snd_printk(KERN_ERR "error starting pipe!\n"); 815 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); 816 err = -EINVAL; 817 goto _exit_open; 818 } 819 820 stream->pipe = pipe; 821 stream->pcm_number = pcm_number; 822 stream->status = MIXART_STREAM_STATUS_OPEN; 823 stream->substream = subs; 824 stream->channels = 0; /* not configured yet */ 825 826 runtime->private_data = stream; 827 828 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); 829 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); 830 831 /* if a sample rate is already used, another stream cannot change */ 832 if(mgr->ref_count_rate++) { 833 if(mgr->sample_rate) { 834 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 835 } 836 } 837 838 _exit_open: 839 up(&mgr->setup_mutex); 840 841 return err; 842 } 843 844 845 846 static int snd_mixart_close(struct snd_pcm_substream *subs) 847 { 848 struct snd_mixart *chip = snd_pcm_substream_chip(subs); 849 struct mixart_mgr *mgr = chip->mgr; 850 struct mixart_stream *stream = subs->runtime->private_data; 851 852 down(&mgr->setup_mutex); 853 854 snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number); 855 856 /* sample rate released */ 857 if(--mgr->ref_count_rate == 0) { 858 mgr->sample_rate = 0; 859 } 860 861 /* delete pipe */ 862 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) { 863 864 snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number); 865 } 866 867 stream->pipe = NULL; 868 stream->status = MIXART_STREAM_STATUS_FREE; 869 stream->substream = NULL; 870 871 up(&mgr->setup_mutex); 872 return 0; 873 } 874 875 876 static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs) 877 { 878 struct snd_pcm_runtime *runtime = subs->runtime; 879 struct mixart_stream *stream = runtime->private_data; 880 881 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag); 882 } 883 884 885 886 static struct snd_pcm_ops snd_mixart_playback_ops = { 887 .open = snd_mixart_playback_open, 888 .close = snd_mixart_close, 889 .ioctl = snd_pcm_lib_ioctl, 890 .prepare = snd_mixart_prepare, 891 .hw_params = snd_mixart_hw_params, 892 .hw_free = snd_mixart_hw_free, 893 .trigger = snd_mixart_trigger, 894 .pointer = snd_mixart_stream_pointer, 895 }; 896 897 static struct snd_pcm_ops snd_mixart_capture_ops = { 898 .open = snd_mixart_capture_open, 899 .close = snd_mixart_close, 900 .ioctl = snd_pcm_lib_ioctl, 901 .prepare = snd_mixart_prepare, 902 .hw_params = snd_mixart_hw_params, 903 .hw_free = snd_mixart_hw_free, 904 .trigger = snd_mixart_trigger, 905 .pointer = snd_mixart_stream_pointer, 906 }; 907 908 static void preallocate_buffers(struct snd_mixart *chip, struct snd_pcm *pcm) 909 { 910 #if 0 911 struct snd_pcm_substream *subs; 912 int stream; 913 914 for (stream = 0; stream < 2; stream++) { 915 int idx = 0; 916 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++) 917 /* set up the unique device id with the chip index */ 918 subs->dma_device.id = subs->pcm->device << 16 | 919 subs->stream << 8 | (subs->number + 1) | 920 (chip->chip_idx + 1) << 24; 921 } 922 #endif 923 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 924 snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024); 925 } 926 927 /* 928 */ 929 static int snd_mixart_pcm_analog(struct snd_mixart *chip) 930 { 931 int err; 932 struct snd_pcm *pcm; 933 char name[32]; 934 935 sprintf(name, "miXart analog %d", chip->chip_idx); 936 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, 937 MIXART_PLAYBACK_STREAMS, 938 MIXART_CAPTURE_STREAMS, &pcm)) < 0) { 939 snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx); 940 return err; 941 } 942 943 pcm->private_data = chip; 944 945 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); 946 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); 947 948 pcm->info_flags = 0; 949 strcpy(pcm->name, name); 950 951 preallocate_buffers(chip, pcm); 952 953 chip->pcm = pcm; 954 return 0; 955 } 956 957 958 /* 959 */ 960 static int snd_mixart_pcm_digital(struct snd_mixart *chip) 961 { 962 int err; 963 struct snd_pcm *pcm; 964 char name[32]; 965 966 sprintf(name, "miXart AES/EBU %d", chip->chip_idx); 967 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, 968 MIXART_PLAYBACK_STREAMS, 969 MIXART_CAPTURE_STREAMS, &pcm)) < 0) { 970 snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx); 971 return err; 972 } 973 974 pcm->private_data = chip; 975 976 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); 977 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); 978 979 pcm->info_flags = 0; 980 strcpy(pcm->name, name); 981 982 preallocate_buffers(chip, pcm); 983 984 chip->pcm_dig = pcm; 985 return 0; 986 } 987 988 static int snd_mixart_chip_free(struct snd_mixart *chip) 989 { 990 kfree(chip); 991 return 0; 992 } 993 994 static int snd_mixart_chip_dev_free(struct snd_device *device) 995 { 996 struct snd_mixart *chip = device->device_data; 997 return snd_mixart_chip_free(chip); 998 } 999 1000 1001 /* 1002 */ 1003 static int __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx) 1004 { 1005 int err; 1006 struct snd_mixart *chip; 1007 static struct snd_device_ops ops = { 1008 .dev_free = snd_mixart_chip_dev_free, 1009 }; 1010 1011 mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1012 if (! chip) { 1013 snd_printk(KERN_ERR "cannot allocate chip\n"); 1014 return -ENOMEM; 1015 } 1016 1017 chip->card = card; 1018 chip->chip_idx = idx; 1019 chip->mgr = mgr; 1020 1021 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1022 snd_mixart_chip_free(chip); 1023 return err; 1024 } 1025 1026 snd_card_set_dev(card, &mgr->pci->dev); 1027 1028 return 0; 1029 } 1030 1031 int snd_mixart_create_pcm(struct snd_mixart* chip) 1032 { 1033 int err; 1034 1035 err = snd_mixart_pcm_analog(chip); 1036 if (err < 0) 1037 return err; 1038 1039 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) { 1040 1041 err = snd_mixart_pcm_digital(chip); 1042 if (err < 0) 1043 return err; 1044 } 1045 return err; 1046 } 1047 1048 1049 /* 1050 * release all the cards assigned to a manager instance 1051 */ 1052 static int snd_mixart_free(struct mixart_mgr *mgr) 1053 { 1054 unsigned int i; 1055 1056 for (i = 0; i < mgr->num_cards; i++) { 1057 if (mgr->chip[i]) 1058 snd_card_free(mgr->chip[i]->card); 1059 } 1060 1061 /* stop mailbox */ 1062 snd_mixart_exit_mailbox(mgr); 1063 1064 /* release irq */ 1065 if (mgr->irq >= 0) 1066 free_irq(mgr->irq, (void *)mgr); 1067 1068 /* reset board if some firmware was loaded */ 1069 if(mgr->dsp_loaded) { 1070 snd_mixart_reset_board(mgr); 1071 snd_printdd("reset miXart !\n"); 1072 } 1073 1074 /* release the i/o ports */ 1075 for (i = 0; i < 2; i++) { 1076 if (mgr->mem[i].virt) 1077 iounmap(mgr->mem[i].virt); 1078 } 1079 pci_release_regions(mgr->pci); 1080 1081 /* free flowarray */ 1082 if(mgr->flowinfo.area) { 1083 snd_dma_free_pages(&mgr->flowinfo); 1084 mgr->flowinfo.area = NULL; 1085 } 1086 /* free bufferarray */ 1087 if(mgr->bufferinfo.area) { 1088 snd_dma_free_pages(&mgr->bufferinfo); 1089 mgr->bufferinfo.area = NULL; 1090 } 1091 1092 pci_disable_device(mgr->pci); 1093 kfree(mgr); 1094 return 0; 1095 } 1096 1097 /* 1098 * proc interface 1099 */ 1100 static long long snd_mixart_BA0_llseek(struct snd_info_entry *entry, 1101 void *private_file_data, 1102 struct file *file, 1103 long long offset, 1104 int orig) 1105 { 1106 offset = offset & ~3; /* 4 bytes aligned */ 1107 1108 switch(orig) { 1109 case 0: /* SEEK_SET */ 1110 file->f_pos = offset; 1111 break; 1112 case 1: /* SEEK_CUR */ 1113 file->f_pos += offset; 1114 break; 1115 case 2: /* SEEK_END, offset is negative */ 1116 file->f_pos = MIXART_BA0_SIZE + offset; 1117 break; 1118 default: 1119 return -EINVAL; 1120 } 1121 if(file->f_pos > MIXART_BA0_SIZE) 1122 file->f_pos = MIXART_BA0_SIZE; 1123 return file->f_pos; 1124 } 1125 1126 static long long snd_mixart_BA1_llseek(struct snd_info_entry *entry, 1127 void *private_file_data, 1128 struct file *file, 1129 long long offset, 1130 int orig) 1131 { 1132 offset = offset & ~3; /* 4 bytes aligned */ 1133 1134 switch(orig) { 1135 case 0: /* SEEK_SET */ 1136 file->f_pos = offset; 1137 break; 1138 case 1: /* SEEK_CUR */ 1139 file->f_pos += offset; 1140 break; 1141 case 2: /* SEEK_END, offset is negative */ 1142 file->f_pos = MIXART_BA1_SIZE + offset; 1143 break; 1144 default: 1145 return -EINVAL; 1146 } 1147 if(file->f_pos > MIXART_BA1_SIZE) 1148 file->f_pos = MIXART_BA1_SIZE; 1149 return file->f_pos; 1150 } 1151 1152 /* 1153 mixart_BA0 proc interface for BAR 0 - read callback 1154 */ 1155 static long snd_mixart_BA0_read(struct snd_info_entry *entry, void *file_private_data, 1156 struct file *file, char __user *buf, 1157 unsigned long count, unsigned long pos) 1158 { 1159 struct mixart_mgr *mgr = entry->private_data; 1160 1161 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1162 if(count <= 0) 1163 return 0; 1164 if(pos + count > MIXART_BA0_SIZE) 1165 count = (long)(MIXART_BA0_SIZE - pos); 1166 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count)) 1167 return -EFAULT; 1168 return count; 1169 } 1170 1171 /* 1172 mixart_BA1 proc interface for BAR 1 - read callback 1173 */ 1174 static long snd_mixart_BA1_read(struct snd_info_entry *entry, void *file_private_data, 1175 struct file *file, char __user *buf, 1176 unsigned long count, unsigned long pos) 1177 { 1178 struct mixart_mgr *mgr = entry->private_data; 1179 1180 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1181 if(count <= 0) 1182 return 0; 1183 if(pos + count > MIXART_BA1_SIZE) 1184 count = (long)(MIXART_BA1_SIZE - pos); 1185 if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count)) 1186 return -EFAULT; 1187 return count; 1188 } 1189 1190 static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = { 1191 .read = snd_mixart_BA0_read, 1192 .llseek = snd_mixart_BA0_llseek 1193 }; 1194 1195 static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = { 1196 .read = snd_mixart_BA1_read, 1197 .llseek = snd_mixart_BA1_llseek 1198 }; 1199 1200 1201 static void snd_mixart_proc_read(struct snd_info_entry *entry, 1202 struct snd_info_buffer *buffer) 1203 { 1204 struct snd_mixart *chip = entry->private_data; 1205 u32 ref; 1206 1207 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx); 1208 1209 /* stats available when embedded OS is running */ 1210 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) { 1211 snd_iprintf(buffer, "- hardware -\n"); 1212 switch (chip->mgr->board_type ) { 1213 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break; 1214 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break; 1215 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break; 1216 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break; 1217 } 1218 1219 snd_iprintf(buffer, "- system load -\n"); 1220 1221 /* get perf reference */ 1222 1223 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET)); 1224 1225 if (ref) { 1226 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref; 1227 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref; 1228 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref; 1229 1230 snd_iprintf(buffer, "\tstreaming : %d\n", streaming); 1231 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox); 1232 snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr); 1233 } 1234 } /* endif elf loaded */ 1235 } 1236 1237 static void __devinit snd_mixart_proc_init(struct snd_mixart *chip) 1238 { 1239 struct snd_info_entry *entry; 1240 1241 /* text interface to read perf and temp meters */ 1242 if (! snd_card_proc_new(chip->card, "board_info", &entry)) { 1243 entry->private_data = chip; 1244 entry->c.text.read_size = 1024; 1245 entry->c.text.read = snd_mixart_proc_read; 1246 } 1247 1248 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) { 1249 entry->content = SNDRV_INFO_CONTENT_DATA; 1250 entry->private_data = chip->mgr; 1251 entry->c.ops = &snd_mixart_proc_ops_BA0; 1252 entry->size = MIXART_BA0_SIZE; 1253 } 1254 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) { 1255 entry->content = SNDRV_INFO_CONTENT_DATA; 1256 entry->private_data = chip->mgr; 1257 entry->c.ops = &snd_mixart_proc_ops_BA1; 1258 entry->size = MIXART_BA1_SIZE; 1259 } 1260 } 1261 /* end of proc interface */ 1262 1263 1264 /* 1265 * probe function - creates the card manager 1266 */ 1267 static int __devinit snd_mixart_probe(struct pci_dev *pci, 1268 const struct pci_device_id *pci_id) 1269 { 1270 static int dev; 1271 struct mixart_mgr *mgr; 1272 unsigned int i; 1273 int err; 1274 size_t size; 1275 1276 /* 1277 */ 1278 if (dev >= SNDRV_CARDS) 1279 return -ENODEV; 1280 if (! enable[dev]) { 1281 dev++; 1282 return -ENOENT; 1283 } 1284 1285 /* enable PCI device */ 1286 if ((err = pci_enable_device(pci)) < 0) 1287 return err; 1288 pci_set_master(pci); 1289 1290 /* check if we can restrict PCI DMA transfers to 32 bits */ 1291 if (pci_set_dma_mask(pci, 0xffffffff) < 0) { 1292 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n"); 1293 pci_disable_device(pci); 1294 return -ENXIO; 1295 } 1296 1297 /* 1298 */ 1299 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); 1300 if (! mgr) { 1301 pci_disable_device(pci); 1302 return -ENOMEM; 1303 } 1304 1305 mgr->pci = pci; 1306 mgr->irq = -1; 1307 1308 /* resource assignment */ 1309 if ((err = pci_request_regions(pci, CARD_NAME)) < 0) { 1310 kfree(mgr); 1311 pci_disable_device(pci); 1312 return err; 1313 } 1314 for (i = 0; i < 2; i++) { 1315 mgr->mem[i].phys = pci_resource_start(pci, i); 1316 mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys, 1317 pci_resource_len(pci, i)); 1318 } 1319 1320 if (request_irq(pci->irq, snd_mixart_interrupt, SA_INTERRUPT|SA_SHIRQ, CARD_NAME, (void *)mgr)) { 1321 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 1322 snd_mixart_free(mgr); 1323 return -EBUSY; 1324 } 1325 mgr->irq = pci->irq; 1326 1327 sprintf(mgr->shortname, "Digigram miXart"); 1328 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq); 1329 1330 /* ISR spinlock */ 1331 spin_lock_init(&mgr->lock); 1332 1333 /* init mailbox */ 1334 mgr->msg_fifo_readptr = 0; 1335 mgr->msg_fifo_writeptr = 0; 1336 1337 spin_lock_init(&mgr->msg_lock); 1338 init_MUTEX(&mgr->msg_mutex); 1339 init_waitqueue_head(&mgr->msg_sleep); 1340 atomic_set(&mgr->msg_processed, 0); 1341 1342 /* init setup mutex*/ 1343 init_MUTEX(&mgr->setup_mutex); 1344 1345 /* init message taslket */ 1346 tasklet_init(&mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr); 1347 1348 /* card assignment */ 1349 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */ 1350 for (i = 0; i < mgr->num_cards; i++) { 1351 struct snd_card *card; 1352 char tmpid[16]; 1353 int idx; 1354 1355 if (index[dev] < 0) 1356 idx = index[dev]; 1357 else 1358 idx = index[dev] + i; 1359 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i); 1360 card = snd_card_new(idx, tmpid, THIS_MODULE, 0); 1361 1362 if (! card) { 1363 snd_printk(KERN_ERR "cannot allocate the card %d\n", i); 1364 snd_mixart_free(mgr); 1365 return -ENOMEM; 1366 } 1367 1368 strcpy(card->driver, CARD_NAME); 1369 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i); 1370 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i); 1371 1372 if ((err = snd_mixart_create(mgr, card, i)) < 0) { 1373 snd_mixart_free(mgr); 1374 return err; 1375 } 1376 1377 if(i==0) { 1378 /* init proc interface only for chip0 */ 1379 snd_mixart_proc_init(mgr->chip[i]); 1380 } 1381 1382 if ((err = snd_card_register(card)) < 0) { 1383 snd_mixart_free(mgr); 1384 return err; 1385 } 1386 } 1387 1388 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */ 1389 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE; 1390 1391 /* create array of streaminfo */ 1392 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * 1393 sizeof(struct mixart_flowinfo)) ); 1394 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1395 size, &mgr->flowinfo) < 0) { 1396 snd_mixart_free(mgr); 1397 return -ENOMEM; 1398 } 1399 /* init streaminfo_array */ 1400 memset(mgr->flowinfo.area, 0, size); 1401 1402 /* create array of bufferinfo */ 1403 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * 1404 sizeof(struct mixart_bufferinfo)) ); 1405 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1406 size, &mgr->bufferinfo) < 0) { 1407 snd_mixart_free(mgr); 1408 return -ENOMEM; 1409 } 1410 /* init bufferinfo_array */ 1411 memset(mgr->bufferinfo.area, 0, size); 1412 1413 /* set up firmware */ 1414 err = snd_mixart_setup_firmware(mgr); 1415 if (err < 0) { 1416 snd_mixart_free(mgr); 1417 return err; 1418 } 1419 1420 pci_set_drvdata(pci, mgr); 1421 dev++; 1422 return 0; 1423 } 1424 1425 static void __devexit snd_mixart_remove(struct pci_dev *pci) 1426 { 1427 snd_mixart_free(pci_get_drvdata(pci)); 1428 pci_set_drvdata(pci, NULL); 1429 } 1430 1431 static struct pci_driver driver = { 1432 .name = "Digigram miXart", 1433 .id_table = snd_mixart_ids, 1434 .probe = snd_mixart_probe, 1435 .remove = __devexit_p(snd_mixart_remove), 1436 }; 1437 1438 static int __init alsa_card_mixart_init(void) 1439 { 1440 return pci_register_driver(&driver); 1441 } 1442 1443 static void __exit alsa_card_mixart_exit(void) 1444 { 1445 pci_unregister_driver(&driver); 1446 } 1447 1448 module_init(alsa_card_mixart_init) 1449 module_exit(alsa_card_mixart_exit) 1450