1409 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Driver for Digigram miXart soundcards4 *5 * main file with alsa callbacks6 *7 * Copyright (c) 2003 by Digigram <alsa@digigram.com>8 */9 10 11#include <linux/init.h>12#include <linux/interrupt.h>13#include <linux/pci.h>14#include <linux/dma-mapping.h>15#include <linux/module.h>16#include <linux/mutex.h>17#include <linux/slab.h>18 19#include <sound/core.h>20#include <sound/initval.h>21#include <sound/info.h>22#include <sound/control.h>23#include <sound/pcm.h>24#include <sound/pcm_params.h>25#include "mixart.h"26#include "mixart_hwdep.h"27#include "mixart_core.h"28#include "mixart_mixer.h"29 30#define CARD_NAME "miXart"31 32MODULE_AUTHOR("Digigram <alsa@digigram.com>");33MODULE_DESCRIPTION("Digigram " CARD_NAME);34MODULE_LICENSE("GPL");35 36static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */37static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */38static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */39 40module_param_array(index, int, NULL, 0444);41MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");42module_param_array(id, charp, NULL, 0444);43MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");44module_param_array(enable, bool, NULL, 0444);45MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");46 47/*48 */49 50static const struct pci_device_id snd_mixart_ids[] = {51 { PCI_VDEVICE(MOTOROLA, 0x0003), 0, }, /* MC8240 */52 { 0, }53};54 55MODULE_DEVICE_TABLE(pci, snd_mixart_ids);56 57 58static int mixart_set_pipe_state(struct mixart_mgr *mgr,59 struct mixart_pipe *pipe, int start)60{61 struct mixart_group_state_req group_state;62 struct mixart_group_state_resp group_state_resp;63 struct mixart_msg request;64 int err;65 u32 system_msg_uid;66 67 switch(pipe->status) {68 case PIPE_RUNNING:69 case PIPE_CLOCK_SET:70 if(start) return 0; /* already started */71 break;72 case PIPE_STOPPED:73 if(!start) return 0; /* already stopped */74 break;75 default:76 dev_err(&mgr->pci->dev,77 "error mixart_set_pipe_state called with wrong pipe->status!\n");78 return -EINVAL; /* function called with wrong pipe status */79 }80 81 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */82 83 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */84 85 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;86 request.uid = (struct mixart_uid){0,0};87 request.data = &system_msg_uid;88 request.size = sizeof(system_msg_uid);89 90 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);91 if(err) {92 dev_err(&mgr->pci->dev,93 "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");94 return err;95 }96 97 /* start or stop the pipe (1 pipe) */98 99 memset(&group_state, 0, sizeof(group_state));100 group_state.pipe_count = 1;101 group_state.pipe_uid = pipe->group_uid;102 103 if(start)104 request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;105 else106 request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;107 108 request.uid = pipe->group_uid; /*(struct mixart_uid){0,0};*/109 request.data = &group_state;110 request.size = sizeof(group_state);111 112 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);113 if (err < 0 || group_state_resp.txx_status != 0) {114 dev_err(&mgr->pci->dev,115 "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n",116 err, group_state_resp.txx_status);117 return -EINVAL;118 }119 120 if(start) {121 u32 stat = 0;122 123 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */124 125 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);126 if (err < 0 || group_state_resp.txx_status != 0) {127 dev_err(&mgr->pci->dev,128 "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n",129 err, group_state_resp.txx_status);130 return -EINVAL;131 }132 133 /* in case of start send a synchro top */134 135 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;136 request.uid = (struct mixart_uid){0,0};137 request.data = NULL;138 request.size = 0;139 140 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);141 if (err < 0 || stat != 0) {142 dev_err(&mgr->pci->dev,143 "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n",144 err, stat);145 return -EINVAL;146 }147 148 pipe->status = PIPE_RUNNING;149 }150 else /* !start */151 pipe->status = PIPE_STOPPED;152 153 return 0;154}155 156 157static int mixart_set_clock(struct mixart_mgr *mgr,158 struct mixart_pipe *pipe, unsigned int rate)159{160 struct mixart_msg request;161 struct mixart_clock_properties clock_properties;162 struct mixart_clock_properties_resp clock_prop_resp;163 int err;164 165 switch(pipe->status) {166 case PIPE_CLOCK_SET:167 break;168 case PIPE_RUNNING:169 if(rate != 0)170 break;171 fallthrough;172 default:173 if(rate == 0)174 return 0; /* nothing to do */175 else {176 dev_err(&mgr->pci->dev,177 "error mixart_set_clock(%d) called with wrong pipe->status !\n",178 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 = pipe->group_uid;189 190 dev_dbg(&mgr->pci->dev, "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 dev_err(&mgr->pci->dev,200 "error MSG_CLOCK_SET_PROPERTIES err=%x stat=%x mod=%x !\n",201 err, clock_prop_resp.status, clock_prop_resp.clock_mode);202 return -EINVAL;203 }204 205 if(rate) pipe->status = PIPE_CLOCK_SET;206 else pipe->status = PIPE_RUNNING;207 208 return 0;209}210 211 212/*213 * Allocate or reference output pipe for analog IOs (pcmp0/1)214 */215struct mixart_pipe *216snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture,217 int monitoring)218{219 int stream_count;220 struct mixart_pipe *pipe;221 struct mixart_msg request;222 223 if(capture) {224 if (pcm_number == MIXART_PCM_ANALOG) {225 pipe = &(chip->pipe_in_ana); /* analog inputs */226 } else {227 pipe = &(chip->pipe_in_dig); /* digital inputs */228 }229 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;230 stream_count = MIXART_CAPTURE_STREAMS;231 } else {232 if (pcm_number == MIXART_PCM_ANALOG) {233 pipe = &(chip->pipe_out_ana); /* analog outputs */234 } else {235 pipe = &(chip->pipe_out_dig); /* digital outputs */236 }237 request.message_id = MSG_STREAM_ADD_INPUT_GROUP;238 stream_count = MIXART_PLAYBACK_STREAMS;239 }240 241 /* a new stream is opened and there are already all streams in use */242 if( (monitoring == 0) && (pipe->references >= stream_count) ) {243 return NULL;244 }245 246 /* pipe is not yet defined */247 if( pipe->status == PIPE_UNDEFINED ) {248 int err, i;249 struct {250 struct mixart_streaming_group_req sgroup_req;251 struct mixart_streaming_group sgroup_resp;252 } *buf;253 254 dev_dbg(chip->card->dev,255 "add_ref_pipe audio chip(%d) pcm(%d)\n",256 chip->chip_idx, pcm_number);257 258 buf = kmalloc(sizeof(*buf), GFP_KERNEL);259 if (!buf)260 return NULL;261 262 request.uid = (struct mixart_uid){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */263 request.data = &buf->sgroup_req;264 request.size = sizeof(buf->sgroup_req);265 266 memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));267 268 buf->sgroup_req.stream_count = stream_count;269 buf->sgroup_req.channel_count = 2;270 buf->sgroup_req.latency = 256;271 buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */272 273 for (i=0; i<stream_count; i++) {274 int j;275 struct mixart_flowinfo *flowinfo;276 struct mixart_bufferinfo *bufferinfo;277 278 /* we don't yet know the format, so config 16 bit pcm audio for instance */279 buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;280 buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;281 buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */282 283 /* find the right bufferinfo_array */284 j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;285 if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */286 287 buf->sgroup_req.flow_entry[i] = j;288 289 flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;290 flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo));291 flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */292 293 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;294 bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */295 bufferinfo[j].available_length = 0; /* buffer is not yet allocated */296 297 /* construct the identifier of the stream buffer received in the interrupts ! */298 bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;299 if(capture) {300 bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;301 }302 }303 304 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp);305 if((err < 0) || (buf->sgroup_resp.status != 0)) {306 dev_err(chip->card->dev,307 "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n",308 err, buf->sgroup_resp.status);309 kfree(buf);310 return NULL;311 }312 313 pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */314 pipe->stream_count = buf->sgroup_resp.stream_count;315 /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */316 317 pipe->status = PIPE_STOPPED;318 kfree(buf);319 }320 321 if(monitoring) pipe->monitoring = 1;322 else pipe->references++;323 324 return pipe;325}326 327 328int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr,329 struct mixart_pipe *pipe, int monitoring)330{331 int err = 0;332 333 if(pipe->status == PIPE_UNDEFINED)334 return 0;335 336 if(monitoring)337 pipe->monitoring = 0;338 else339 pipe->references--;340 341 if((pipe->references <= 0) && (pipe->monitoring == 0)) {342 343 struct mixart_msg request;344 struct mixart_delete_group_resp delete_resp;345 346 /* release the clock */347 err = mixart_set_clock( mgr, pipe, 0);348 if( err < 0 ) {349 dev_err(&mgr->pci->dev,350 "mixart_set_clock(0) return error!\n");351 }352 353 /* stop the pipe */354 err = mixart_set_pipe_state(mgr, pipe, 0);355 if( err < 0 ) {356 dev_err(&mgr->pci->dev, "error stopping pipe!\n");357 }358 359 request.message_id = MSG_STREAM_DELETE_GROUP;360 request.uid = (struct mixart_uid){0,0};361 request.data = &pipe->group_uid; /* the streaming group ! */362 request.size = sizeof(pipe->group_uid);363 364 /* delete the pipe */365 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp);366 if ((err < 0) || (delete_resp.status != 0)) {367 dev_err(&mgr->pci->dev,368 "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n",369 err, delete_resp.status);370 }371 372 pipe->group_uid = (struct mixart_uid){0,0};373 pipe->stream_count = 0;374 pipe->status = PIPE_UNDEFINED;375 }376 377 return err;378}379 380static int mixart_set_stream_state(struct mixart_stream *stream, int start)381{382 struct snd_mixart *chip;383 struct mixart_stream_state_req stream_state_req;384 struct mixart_msg request;385 386 if(!stream->substream)387 return -EINVAL;388 389 memset(&stream_state_req, 0, sizeof(stream_state_req));390 stream_state_req.stream_count = 1;391 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid;392 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number;393 394 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)395 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET;396 else397 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET;398 399 request.uid = (struct mixart_uid){0,0};400 request.data = &stream_state_req;401 request.size = sizeof(stream_state_req);402 403 stream->abs_period_elapsed = 0; /* reset stream pos */404 stream->buf_periods = 0;405 stream->buf_period_frag = 0;406 407 chip = snd_pcm_substream_chip(stream->substream);408 409 return snd_mixart_send_msg_nonblock(chip->mgr, &request);410}411 412/*413 * Trigger callback414 */415 416static int snd_mixart_trigger(struct snd_pcm_substream *subs, int cmd)417{418 struct mixart_stream *stream = subs->runtime->private_data;419 420 switch (cmd) {421 case SNDRV_PCM_TRIGGER_START:422 423 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_TRIGGER_START\n");424 425 /* START_STREAM */426 if( mixart_set_stream_state(stream, 1) )427 return -EINVAL;428 429 stream->status = MIXART_STREAM_STATUS_RUNNING;430 431 break;432 case SNDRV_PCM_TRIGGER_STOP:433 434 /* STOP_STREAM */435 if( mixart_set_stream_state(stream, 0) )436 return -EINVAL;437 438 stream->status = MIXART_STREAM_STATUS_OPEN;439 440 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_TRIGGER_STOP\n");441 442 break;443 444 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:445 /* TODO */446 stream->status = MIXART_STREAM_STATUS_PAUSE;447 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_PAUSE_PUSH\n");448 break;449 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:450 /* TODO */451 stream->status = MIXART_STREAM_STATUS_RUNNING;452 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_PAUSE_RELEASE\n");453 break;454 default:455 return -EINVAL;456 }457 return 0;458}459 460static int mixart_sync_nonblock_events(struct mixart_mgr *mgr)461{462 unsigned long timeout = jiffies + HZ;463 while (atomic_read(&mgr->msg_processed) > 0) {464 if (time_after(jiffies, timeout)) {465 dev_err(&mgr->pci->dev,466 "mixart: cannot process nonblock events!\n");467 return -EBUSY;468 }469 schedule_timeout_uninterruptible(1);470 }471 return 0;472}473 474/*475 * prepare callback for all pcms476 */477static int snd_mixart_prepare(struct snd_pcm_substream *subs)478{479 struct snd_mixart *chip = snd_pcm_substream_chip(subs);480 struct mixart_stream *stream = subs->runtime->private_data;481 482 /* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */483 484 dev_dbg(chip->card->dev, "snd_mixart_prepare\n");485 486 mixart_sync_nonblock_events(chip->mgr);487 488 /* only the first stream can choose the sample rate */489 /* the further opened streams will be limited to its frequency (see open) */490 if(chip->mgr->ref_count_rate == 1)491 chip->mgr->sample_rate = subs->runtime->rate;492 493 /* set the clock only once (first stream) on the same pipe */494 if(stream->pipe->references == 1) {495 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) )496 return -EINVAL;497 }498 499 return 0;500}501 502 503static int mixart_set_format(struct mixart_stream *stream, snd_pcm_format_t format)504{505 int err;506 struct snd_mixart *chip;507 struct mixart_msg request;508 struct mixart_stream_param_desc stream_param;509 struct mixart_return_uid resp;510 511 chip = snd_pcm_substream_chip(stream->substream);512 513 memset(&stream_param, 0, sizeof(stream_param));514 515 stream_param.coding_type = CT_LINEAR;516 stream_param.number_of_channel = stream->channels;517 518 stream_param.sampling_freq = chip->mgr->sample_rate;519 if(stream_param.sampling_freq == 0)520 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */521 522 switch(format){523 case SNDRV_PCM_FORMAT_U8:524 stream_param.sample_type = ST_INTEGER_8;525 stream_param.sample_size = 8;526 break;527 case SNDRV_PCM_FORMAT_S16_LE:528 stream_param.sample_type = ST_INTEGER_16LE;529 stream_param.sample_size = 16;530 break;531 case SNDRV_PCM_FORMAT_S16_BE:532 stream_param.sample_type = ST_INTEGER_16BE;533 stream_param.sample_size = 16;534 break;535 case SNDRV_PCM_FORMAT_S24_3LE:536 stream_param.sample_type = ST_INTEGER_24LE;537 stream_param.sample_size = 24;538 break;539 case SNDRV_PCM_FORMAT_S24_3BE:540 stream_param.sample_type = ST_INTEGER_24BE;541 stream_param.sample_size = 24;542 break;543 case SNDRV_PCM_FORMAT_FLOAT_LE:544 stream_param.sample_type = ST_FLOATING_POINT_32LE;545 stream_param.sample_size = 32;546 break;547 case SNDRV_PCM_FORMAT_FLOAT_BE:548 stream_param.sample_type = ST_FLOATING_POINT_32BE;549 stream_param.sample_size = 32;550 break;551 default:552 dev_err(chip->card->dev,553 "error mixart_set_format() : unknown format\n");554 return -EINVAL;555 }556 557 dev_dbg(chip->card->dev,558 "set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n",559 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels);560 561 /* TODO: what else to configure ? */562 /* stream_param.samples_per_frame = 2; */563 /* stream_param.bytes_per_frame = 4; */564 /* stream_param.bytes_per_sample = 2; */565 566 stream_param.pipe_count = 1; /* set to 1 */567 stream_param.stream_count = 1; /* set to 1 */568 stream_param.stream_desc.uid_pipe = stream->pipe->group_uid;569 stream_param.stream_desc.stream_idx = stream->substream->number;570 571 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM;572 request.uid = (struct mixart_uid){0,0};573 request.data = &stream_param;574 request.size = sizeof(stream_param);575 576 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);577 if((err < 0) || resp.error_code) {578 dev_err(chip->card->dev,579 "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n",580 err, resp.error_code);581 return -EINVAL;582 }583 return 0;584}585 586 587/*588 * HW_PARAMS callback for all pcms589 */590static int snd_mixart_hw_params(struct snd_pcm_substream *subs,591 struct snd_pcm_hw_params *hw)592{593 struct snd_mixart *chip = snd_pcm_substream_chip(subs);594 struct mixart_mgr *mgr = chip->mgr;595 struct mixart_stream *stream = subs->runtime->private_data;596 snd_pcm_format_t format;597 int err;598 int channels;599 600 /* set up channels */601 channels = params_channels(hw);602 603 /* set up format for the stream */604 format = params_format(hw);605 606 mutex_lock(&mgr->setup_mutex);607 608 /* update the stream levels */609 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) {610 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG;611 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK )612 mixart_update_playback_stream_level(chip, is_aes, subs->number);613 else614 mixart_update_capture_stream_level( chip, is_aes);615 }616 617 stream->channels = channels;618 619 /* set the format to the board */620 err = mixart_set_format(stream, format);621 if(err < 0) {622 mutex_unlock(&mgr->setup_mutex);623 return err;624 }625 626 if (subs->runtime->buffer_changed) {627 struct mixart_bufferinfo *bufferinfo;628 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;629 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {630 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */631 }632 633 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;634 bufferinfo[i].buffer_address = subs->runtime->dma_addr;635 bufferinfo[i].available_length = subs->runtime->dma_bytes;636 /* bufferinfo[i].buffer_id is already defined */637 638 dev_dbg(chip->card->dev,639 "snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n",640 i, bufferinfo[i].buffer_address,641 bufferinfo[i].available_length,642 subs->number);643 }644 mutex_unlock(&mgr->setup_mutex);645 646 return 0;647}648 649static int snd_mixart_hw_free(struct snd_pcm_substream *subs)650{651 struct snd_mixart *chip = snd_pcm_substream_chip(subs);652 mixart_sync_nonblock_events(chip->mgr);653 return 0;654}655 656 657 658/*659 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max660 */661static const struct snd_pcm_hardware snd_mixart_analog_caps =662{663 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |664 SNDRV_PCM_INFO_MMAP_VALID |665 SNDRV_PCM_INFO_PAUSE),666 .formats = ( SNDRV_PCM_FMTBIT_U8 |667 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |668 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |669 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),670 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,671 .rate_min = 8000,672 .rate_max = 48000,673 .channels_min = 1,674 .channels_max = 2,675 .buffer_bytes_max = (32*1024),676 .period_bytes_min = 256, /* 256 frames U8 mono*/677 .period_bytes_max = (16*1024),678 .periods_min = 2,679 .periods_max = (32*1024/256),680};681 682static const struct snd_pcm_hardware snd_mixart_digital_caps =683{684 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |685 SNDRV_PCM_INFO_MMAP_VALID |686 SNDRV_PCM_INFO_PAUSE),687 .formats = ( SNDRV_PCM_FMTBIT_U8 |688 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |689 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |690 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),691 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,692 .rate_min = 32000,693 .rate_max = 48000,694 .channels_min = 1,695 .channels_max = 2,696 .buffer_bytes_max = (32*1024),697 .period_bytes_min = 256, /* 256 frames U8 mono*/698 .period_bytes_max = (16*1024),699 .periods_min = 2,700 .periods_max = (32*1024/256),701};702 703 704static int snd_mixart_playback_open(struct snd_pcm_substream *subs)705{706 struct snd_mixart *chip = snd_pcm_substream_chip(subs);707 struct mixart_mgr *mgr = chip->mgr;708 struct snd_pcm_runtime *runtime = subs->runtime;709 struct snd_pcm *pcm = subs->pcm;710 struct mixart_stream *stream;711 struct mixart_pipe *pipe;712 int err = 0;713 int pcm_number;714 715 mutex_lock(&mgr->setup_mutex);716 717 if ( pcm == chip->pcm ) {718 pcm_number = MIXART_PCM_ANALOG;719 runtime->hw = snd_mixart_analog_caps;720 } else {721 snd_BUG_ON(pcm != chip->pcm_dig);722 pcm_number = MIXART_PCM_DIGITAL;723 runtime->hw = snd_mixart_digital_caps;724 }725 dev_dbg(chip->card->dev,726 "snd_mixart_playback_open C%d/P%d/Sub%d\n",727 chip->chip_idx, pcm_number, subs->number);728 729 /* get stream info */730 stream = &(chip->playback_stream[pcm_number][subs->number]);731 732 if (stream->status != MIXART_STREAM_STATUS_FREE){733 /* streams in use */734 dev_err(chip->card->dev,735 "snd_mixart_playback_open C%d/P%d/Sub%d in use\n",736 chip->chip_idx, pcm_number, subs->number);737 err = -EBUSY;738 goto _exit_open;739 }740 741 /* get pipe pointer (out pipe) */742 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0);743 744 if (pipe == NULL) {745 err = -EINVAL;746 goto _exit_open;747 }748 749 /* start the pipe if necessary */750 err = mixart_set_pipe_state(chip->mgr, pipe, 1);751 if( err < 0 ) {752 dev_err(chip->card->dev, "error starting pipe!\n");753 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);754 err = -EINVAL;755 goto _exit_open;756 }757 758 stream->pipe = pipe;759 stream->pcm_number = pcm_number;760 stream->status = MIXART_STREAM_STATUS_OPEN;761 stream->substream = subs;762 stream->channels = 0; /* not configured yet */763 764 runtime->private_data = stream;765 766 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);767 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);768 769 /* if a sample rate is already used, another stream cannot change */770 if(mgr->ref_count_rate++) {771 if(mgr->sample_rate) {772 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;773 }774 }775 776 _exit_open:777 mutex_unlock(&mgr->setup_mutex);778 779 return err;780}781 782 783static int snd_mixart_capture_open(struct snd_pcm_substream *subs)784{785 struct snd_mixart *chip = snd_pcm_substream_chip(subs);786 struct mixart_mgr *mgr = chip->mgr;787 struct snd_pcm_runtime *runtime = subs->runtime;788 struct snd_pcm *pcm = subs->pcm;789 struct mixart_stream *stream;790 struct mixart_pipe *pipe;791 int err = 0;792 int pcm_number;793 794 mutex_lock(&mgr->setup_mutex);795 796 if ( pcm == chip->pcm ) {797 pcm_number = MIXART_PCM_ANALOG;798 runtime->hw = snd_mixart_analog_caps;799 } else {800 snd_BUG_ON(pcm != chip->pcm_dig);801 pcm_number = MIXART_PCM_DIGITAL;802 runtime->hw = snd_mixart_digital_caps;803 }804 805 runtime->hw.channels_min = 2; /* for instance, no mono */806 807 dev_dbg(chip->card->dev, "snd_mixart_capture_open C%d/P%d/Sub%d\n",808 chip->chip_idx, pcm_number, subs->number);809 810 /* get stream info */811 stream = &(chip->capture_stream[pcm_number]);812 813 if (stream->status != MIXART_STREAM_STATUS_FREE){814 /* streams in use */815 dev_err(chip->card->dev,816 "snd_mixart_capture_open C%d/P%d/Sub%d in use\n",817 chip->chip_idx, pcm_number, subs->number);818 err = -EBUSY;819 goto _exit_open;820 }821 822 /* get pipe pointer (in pipe) */823 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0);824 825 if (pipe == NULL) {826 err = -EINVAL;827 goto _exit_open;828 }829 830 /* start the pipe if necessary */831 err = mixart_set_pipe_state(chip->mgr, pipe, 1);832 if( err < 0 ) {833 dev_err(chip->card->dev, "error starting pipe!\n");834 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);835 err = -EINVAL;836 goto _exit_open;837 }838 839 stream->pipe = pipe;840 stream->pcm_number = pcm_number;841 stream->status = MIXART_STREAM_STATUS_OPEN;842 stream->substream = subs;843 stream->channels = 0; /* not configured yet */844 845 runtime->private_data = stream;846 847 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);848 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);849 850 /* if a sample rate is already used, another stream cannot change */851 if(mgr->ref_count_rate++) {852 if(mgr->sample_rate) {853 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;854 }855 }856 857 _exit_open:858 mutex_unlock(&mgr->setup_mutex);859 860 return err;861}862 863 864 865static int snd_mixart_close(struct snd_pcm_substream *subs)866{867 struct snd_mixart *chip = snd_pcm_substream_chip(subs);868 struct mixart_mgr *mgr = chip->mgr;869 struct mixart_stream *stream = subs->runtime->private_data;870 871 mutex_lock(&mgr->setup_mutex);872 873 dev_dbg(chip->card->dev, "snd_mixart_close C%d/P%d/Sub%d\n",874 chip->chip_idx, stream->pcm_number, subs->number);875 876 /* sample rate released */877 if(--mgr->ref_count_rate == 0) {878 mgr->sample_rate = 0;879 }880 881 /* delete pipe */882 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) {883 884 dev_err(chip->card->dev,885 "error snd_mixart_kill_ref_pipe C%dP%d\n",886 chip->chip_idx, stream->pcm_number);887 }888 889 stream->pipe = NULL;890 stream->status = MIXART_STREAM_STATUS_FREE;891 stream->substream = NULL;892 893 mutex_unlock(&mgr->setup_mutex);894 return 0;895}896 897 898static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs)899{900 struct snd_pcm_runtime *runtime = subs->runtime;901 struct mixart_stream *stream = runtime->private_data;902 903 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);904}905 906 907 908static const struct snd_pcm_ops snd_mixart_playback_ops = {909 .open = snd_mixart_playback_open,910 .close = snd_mixart_close,911 .prepare = snd_mixart_prepare,912 .hw_params = snd_mixart_hw_params,913 .hw_free = snd_mixart_hw_free,914 .trigger = snd_mixart_trigger,915 .pointer = snd_mixart_stream_pointer,916};917 918static const struct snd_pcm_ops snd_mixart_capture_ops = {919 .open = snd_mixart_capture_open,920 .close = snd_mixart_close,921 .prepare = snd_mixart_prepare,922 .hw_params = snd_mixart_hw_params,923 .hw_free = snd_mixart_hw_free,924 .trigger = snd_mixart_trigger,925 .pointer = snd_mixart_stream_pointer,926};927 928static void preallocate_buffers(struct snd_mixart *chip, struct snd_pcm *pcm)929{930#if 0931 struct snd_pcm_substream *subs;932 int stream;933 934 for (stream = 0; stream < 2; stream++) {935 int idx = 0;936 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++)937 /* set up the unique device id with the chip index */938 subs->dma_device.id = subs->pcm->device << 16 |939 subs->stream << 8 | (subs->number + 1) |940 (chip->chip_idx + 1) << 24;941 }942#endif943 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,944 &chip->mgr->pci->dev,945 32*1024, 32*1024);946}947 948/*949 */950static int snd_mixart_pcm_analog(struct snd_mixart *chip)951{952 int err;953 struct snd_pcm *pcm;954 char name[32];955 956 sprintf(name, "miXart analog %d", chip->chip_idx);957 err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG,958 MIXART_PLAYBACK_STREAMS,959 MIXART_CAPTURE_STREAMS, &pcm);960 if (err < 0) {961 dev_err(chip->card->dev,962 "cannot create the analog pcm %d\n", chip->chip_idx);963 return err;964 }965 966 pcm->private_data = chip;967 968 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);969 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);970 971 pcm->info_flags = 0;972 pcm->nonatomic = true;973 strcpy(pcm->name, name);974 975 preallocate_buffers(chip, pcm);976 977 chip->pcm = pcm;978 return 0;979}980 981 982/*983 */984static int snd_mixart_pcm_digital(struct snd_mixart *chip)985{986 int err;987 struct snd_pcm *pcm;988 char name[32];989 990 sprintf(name, "miXart AES/EBU %d", chip->chip_idx);991 err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL,992 MIXART_PLAYBACK_STREAMS,993 MIXART_CAPTURE_STREAMS, &pcm);994 if (err < 0) {995 dev_err(chip->card->dev,996 "cannot create the digital pcm %d\n", chip->chip_idx);997 return err;998 }999 1000 pcm->private_data = chip;1001 1002 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);1003 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);1004 1005 pcm->info_flags = 0;1006 pcm->nonatomic = true;1007 strcpy(pcm->name, name);1008 1009 preallocate_buffers(chip, pcm);1010 1011 chip->pcm_dig = pcm;1012 return 0;1013}1014 1015static int snd_mixart_chip_free(struct snd_mixart *chip)1016{1017 kfree(chip);1018 return 0;1019}1020 1021static int snd_mixart_chip_dev_free(struct snd_device *device)1022{1023 struct snd_mixart *chip = device->device_data;1024 return snd_mixart_chip_free(chip);1025}1026 1027 1028/*1029 */1030static int snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx)1031{1032 int err;1033 struct snd_mixart *chip;1034 static const struct snd_device_ops ops = {1035 .dev_free = snd_mixart_chip_dev_free,1036 };1037 1038 chip = kzalloc(sizeof(*chip), GFP_KERNEL);1039 if (!chip)1040 return -ENOMEM;1041 1042 chip->card = card;1043 chip->chip_idx = idx;1044 chip->mgr = mgr;1045 card->sync_irq = mgr->irq;1046 1047 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);1048 if (err < 0) {1049 snd_mixart_chip_free(chip);1050 return err;1051 }1052 1053 mgr->chip[idx] = chip;1054 return 0;1055}1056 1057int snd_mixart_create_pcm(struct snd_mixart* chip)1058{1059 int err;1060 1061 err = snd_mixart_pcm_analog(chip);1062 if (err < 0)1063 return err;1064 1065 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) {1066 1067 err = snd_mixart_pcm_digital(chip);1068 if (err < 0)1069 return err;1070 }1071 return err;1072}1073 1074 1075/*1076 * release all the cards assigned to a manager instance1077 */1078static int snd_mixart_free(struct mixart_mgr *mgr)1079{1080 unsigned int i;1081 1082 for (i = 0; i < mgr->num_cards; i++) {1083 if (mgr->chip[i])1084 snd_card_free(mgr->chip[i]->card);1085 }1086 1087 /* stop mailbox */1088 snd_mixart_exit_mailbox(mgr);1089 1090 /* release irq */1091 if (mgr->irq >= 0)1092 free_irq(mgr->irq, mgr);1093 1094 /* reset board if some firmware was loaded */1095 if(mgr->dsp_loaded) {1096 snd_mixart_reset_board(mgr);1097 dev_dbg(&mgr->pci->dev, "reset miXart !\n");1098 }1099 1100 /* release the i/o ports */1101 for (i = 0; i < 2; ++i)1102 iounmap(mgr->mem[i].virt);1103 1104 pci_release_regions(mgr->pci);1105 1106 /* free flowarray */1107 if(mgr->flowinfo.area) {1108 snd_dma_free_pages(&mgr->flowinfo);1109 mgr->flowinfo.area = NULL;1110 }1111 /* free bufferarray */1112 if(mgr->bufferinfo.area) {1113 snd_dma_free_pages(&mgr->bufferinfo);1114 mgr->bufferinfo.area = NULL;1115 }1116 1117 pci_disable_device(mgr->pci);1118 kfree(mgr);1119 return 0;1120}1121 1122/*1123 * proc interface1124 */1125 1126/*1127 mixart_BA0 proc interface for BAR 0 - read callback1128 */1129static ssize_t snd_mixart_BA0_read(struct snd_info_entry *entry,1130 void *file_private_data,1131 struct file *file, char __user *buf,1132 size_t count, loff_t pos)1133{1134 struct mixart_mgr *mgr = entry->private_data;1135 1136 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */1137 if (copy_to_user_fromio(buf, MIXART_MEM(mgr, pos), count))1138 return -EFAULT;1139 return count;1140}1141 1142/*1143 mixart_BA1 proc interface for BAR 1 - read callback1144 */1145static ssize_t snd_mixart_BA1_read(struct snd_info_entry *entry,1146 void *file_private_data,1147 struct file *file, char __user *buf,1148 size_t count, loff_t pos)1149{1150 struct mixart_mgr *mgr = entry->private_data;1151 1152 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */1153 if (copy_to_user_fromio(buf, MIXART_REG(mgr, pos), count))1154 return -EFAULT;1155 return count;1156}1157 1158static const struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {1159 .read = snd_mixart_BA0_read,1160};1161 1162static const struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {1163 .read = snd_mixart_BA1_read,1164};1165 1166 1167static void snd_mixart_proc_read(struct snd_info_entry *entry, 1168 struct snd_info_buffer *buffer)1169{1170 struct snd_mixart *chip = entry->private_data; 1171 u32 ref; 1172 1173 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx);1174 1175 /* stats available when embedded OS is running */1176 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) {1177 snd_iprintf(buffer, "- hardware -\n");1178 switch (chip->mgr->board_type ) {1179 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break;1180 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break;1181 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break;1182 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break;1183 }1184 1185 snd_iprintf(buffer, "- system load -\n"); 1186 1187 /* get perf reference */1188 1189 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET));1190 1191 if (ref) {1192 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref;1193 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref;1194 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref;1195 1196 snd_iprintf(buffer, "\tstreaming : %d\n", streaming);1197 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox);1198 snd_iprintf(buffer, "\tinterrupts handling : %d\n\n", interr);1199 }1200 } /* endif elf loaded */1201}1202 1203static void snd_mixart_proc_init(struct snd_mixart *chip)1204{1205 struct snd_info_entry *entry;1206 1207 /* text interface to read perf and temp meters */1208 snd_card_ro_proc_new(chip->card, "board_info", chip,1209 snd_mixart_proc_read);1210 1211 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {1212 entry->content = SNDRV_INFO_CONTENT_DATA;1213 entry->private_data = chip->mgr; 1214 entry->c.ops = &snd_mixart_proc_ops_BA0;1215 entry->size = MIXART_BA0_SIZE;1216 }1217 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) {1218 entry->content = SNDRV_INFO_CONTENT_DATA;1219 entry->private_data = chip->mgr;1220 entry->c.ops = &snd_mixart_proc_ops_BA1;1221 entry->size = MIXART_BA1_SIZE;1222 }1223}1224/* end of proc interface */1225 1226 1227/*1228 * probe function - creates the card manager1229 */1230static int snd_mixart_probe(struct pci_dev *pci,1231 const struct pci_device_id *pci_id)1232{1233 static int dev;1234 struct mixart_mgr *mgr;1235 unsigned int i;1236 int err;1237 size_t size;1238 1239 /*1240 */1241 if (dev >= SNDRV_CARDS)1242 return -ENODEV;1243 if (! enable[dev]) {1244 dev++;1245 return -ENOENT;1246 }1247 1248 /* enable PCI device */1249 err = pci_enable_device(pci);1250 if (err < 0)1251 return err;1252 pci_set_master(pci);1253 1254 /* check if we can restrict PCI DMA transfers to 32 bits */1255 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) {1256 dev_err(&pci->dev,1257 "architecture does not support 32bit PCI busmaster DMA\n");1258 pci_disable_device(pci);1259 return -ENXIO;1260 }1261 1262 /*1263 */1264 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);1265 if (! mgr) {1266 pci_disable_device(pci);1267 return -ENOMEM;1268 }1269 1270 mgr->pci = pci;1271 mgr->irq = -1;1272 1273 /* resource assignment */1274 err = pci_request_regions(pci, CARD_NAME);1275 if (err < 0) {1276 kfree(mgr);1277 pci_disable_device(pci);1278 return err;1279 }1280 for (i = 0; i < 2; i++) {1281 mgr->mem[i].phys = pci_resource_start(pci, i);1282 mgr->mem[i].virt = pci_ioremap_bar(pci, i);1283 if (!mgr->mem[i].virt) {1284 dev_err(&pci->dev, "unable to remap resource 0x%lx\n",1285 mgr->mem[i].phys);1286 snd_mixart_free(mgr);1287 return -EBUSY;1288 }1289 }1290 1291 if (request_threaded_irq(pci->irq, snd_mixart_interrupt,1292 snd_mixart_threaded_irq, IRQF_SHARED,1293 KBUILD_MODNAME, mgr)) {1294 dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq);1295 snd_mixart_free(mgr);1296 return -EBUSY;1297 }1298 mgr->irq = pci->irq;1299 1300 /* init mailbox */1301 mgr->msg_fifo_readptr = 0;1302 mgr->msg_fifo_writeptr = 0;1303 1304 mutex_init(&mgr->lock);1305 mutex_init(&mgr->msg_lock);1306 init_waitqueue_head(&mgr->msg_sleep);1307 atomic_set(&mgr->msg_processed, 0);1308 1309 /* init setup mutex*/1310 mutex_init(&mgr->setup_mutex);1311 1312 /* card assignment */1313 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */1314 for (i = 0; i < mgr->num_cards; i++) {1315 struct snd_card *card;1316 char tmpid[16];1317 int idx;1318 1319 if (index[dev] < 0)1320 idx = index[dev];1321 else1322 idx = index[dev] + i;1323 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i);1324 err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE,1325 0, &card);1326 1327 if (err < 0) {1328 dev_err(&pci->dev, "cannot allocate the card %d\n", i);1329 snd_mixart_free(mgr);1330 return err;1331 }1332 1333 strcpy(card->driver, CARD_NAME);1334 snprintf(card->shortname, sizeof(card->shortname),1335 "Digigram miXart [PCM #%d]", i);1336 snprintf(card->longname, sizeof(card->longname),1337 "Digigram miXart at 0x%lx & 0x%lx, irq %i [PCM #%d]",1338 mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq, i);1339 1340 err = snd_mixart_create(mgr, card, i);1341 if (err < 0) {1342 snd_card_free(card);1343 snd_mixart_free(mgr);1344 return err;1345 }1346 1347 if(i==0) {1348 /* init proc interface only for chip0 */1349 snd_mixart_proc_init(mgr->chip[i]);1350 }1351 1352 err = snd_card_register(card);1353 if (err < 0) {1354 snd_mixart_free(mgr);1355 return err;1356 }1357 }1358 1359 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */1360 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE;1361 1362 /* create array of streaminfo */1363 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *1364 sizeof(struct mixart_flowinfo)) );1365 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,1366 size, &mgr->flowinfo) < 0) {1367 snd_mixart_free(mgr);1368 return -ENOMEM;1369 }1370 /* init streaminfo_array */1371 memset(mgr->flowinfo.area, 0, size);1372 1373 /* create array of bufferinfo */1374 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *1375 sizeof(struct mixart_bufferinfo)) );1376 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,1377 size, &mgr->bufferinfo) < 0) {1378 snd_mixart_free(mgr);1379 return -ENOMEM;1380 }1381 /* init bufferinfo_array */1382 memset(mgr->bufferinfo.area, 0, size);1383 1384 /* set up firmware */1385 err = snd_mixart_setup_firmware(mgr);1386 if (err < 0) {1387 snd_mixart_free(mgr);1388 return err;1389 }1390 1391 pci_set_drvdata(pci, mgr);1392 dev++;1393 return 0;1394}1395 1396static void snd_mixart_remove(struct pci_dev *pci)1397{1398 snd_mixart_free(pci_get_drvdata(pci));1399}1400 1401static struct pci_driver mixart_driver = {1402 .name = KBUILD_MODNAME,1403 .id_table = snd_mixart_ids,1404 .probe = snd_mixart_probe,1405 .remove = snd_mixart_remove,1406};1407 1408module_pci_driver(mixart_driver);1409