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