2 * Driver for Digigram miXart soundcards
4 * main file with alsa callbacks
6 * Copyright (c) 2003 by Digigram <alsa@digigram.com>
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.
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.
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
24 #include <sound/driver.h>
25 #include <linux/init.h>
26 #include <linux/interrupt.h>
27 #include <linux/pci.h>
28 #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>
36 #include "mixart_hwdep.h"
37 #include "mixart_core.h"
38 #include "mixart_mixer.h"
40 #define CARD_NAME "miXart"
42 MODULE_AUTHOR("Digigram <alsa@digigram.com>");
43 MODULE_DESCRIPTION("Digigram " CARD_NAME);
44 MODULE_LICENSE("GPL");
45 MODULE_CLASSES("{sound}");
46 MODULE_DEVICES("{{Digigram," CARD_NAME "}}");
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
52 #define chip_t mixart_t
54 MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
55 MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
56 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
57 MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
58 MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
59 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
60 MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
61 MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
62 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
67 static struct pci_device_id snd_mixart_ids[] = {
68 { 0x1057, 0x0003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* MC8240 */
72 MODULE_DEVICE_TABLE(pci, snd_mixart_ids);
75 static int mixart_set_pipe_state(mixart_mgr_t *mgr, mixart_pipe_t* pipe, int start)
77 mixart_group_state_req_t group_state;
78 mixart_group_state_resp_t group_state_resp;
83 switch(pipe->status) {
86 if(start) return 0; /* already started */
89 if(!start) return 0; /* already stopped */
92 snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n");
93 return -EINVAL; /* function called with wrong pipe status */
96 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */
98 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */
100 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
101 request.uid = (mixart_uid_t){0,0};
102 request.data = &system_msg_uid;
103 request.size = sizeof(system_msg_uid);
105 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
107 snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");
111 /* start or stop the pipe (1 pipe) */
113 memset(&group_state, 0, sizeof(group_state));
114 group_state.pipe_count = 1;
115 group_state.pipe_uid[0] = pipe->group_uid;
118 request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;
120 request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;
122 request.uid = pipe->group_uid; /*(mixart_uid_t){0,0};*/
123 request.data = &group_state;
124 request.size = sizeof(group_state);
126 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
127 if (err < 0 || group_state_resp.txx_status != 0) {
128 snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
135 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */
137 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
138 if (err < 0 || group_state_resp.txx_status != 0) {
139 snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
143 /* in case of start send a synchro top */
145 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
146 request.uid = (mixart_uid_t){0,0};
150 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
151 if (err < 0 || stat != 0) {
152 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat);
156 pipe->status = PIPE_RUNNING;
159 pipe->status = PIPE_STOPPED;
165 static int mixart_set_clock(mixart_mgr_t *mgr, mixart_pipe_t *pipe, unsigned int rate)
167 mixart_msg_t request;
168 mixart_clock_properties_t clock_properties;
169 mixart_clock_properties_resp_t clock_prop_resp;
172 switch(pipe->status) {
180 return 0; /* nothing to do */
182 snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate);
187 memset(&clock_properties, 0, sizeof(clock_properties));
188 clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
189 clock_properties.clock_mode = CM_STANDALONE;
190 clock_properties.frequency = rate;
191 clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
192 clock_properties.uid_caller[0] = pipe->group_uid;
194 snd_printdd("mixart_set_clock to %d kHz\n", rate);
196 request.message_id = MSG_CLOCK_SET_PROPERTIES;
197 request.uid = mgr->uid_console_manager;
198 request.data = &clock_properties;
199 request.size = sizeof(clock_properties);
201 err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
202 if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
203 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);
207 if(rate) pipe->status = PIPE_CLOCK_SET;
208 else pipe->status = PIPE_RUNNING;
215 * Allocate or reference output pipe for analog IOs (pcmp0/1)
217 mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring)
221 mixart_msg_t request;
224 if (pcm_number == MIXART_PCM_ANALOG) {
225 pipe = &(chip->pipe_in_ana); /* analog inputs */
227 pipe = &(chip->pipe_in_dig); /* digital inputs */
229 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
230 stream_count = MIXART_CAPTURE_STREAMS;
232 if (pcm_number == MIXART_PCM_ANALOG) {
233 pipe = &(chip->pipe_out_ana); /* analog outputs */
235 pipe = &(chip->pipe_out_dig); /* digital outputs */
237 request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
238 stream_count = MIXART_PLAYBACK_STREAMS;
241 /* a new stream is opened and there are already all streams in use */
242 if( (monitoring == 0) && (pipe->references >= stream_count) ) {
246 /* pipe is not yet defined */
247 if( pipe->status == PIPE_UNDEFINED ) {
249 mixart_streaming_group_t streaming_group_resp;
250 mixart_streaming_group_req_t streaming_group_req;
252 snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number);
254 request.uid = (mixart_uid_t){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */
255 request.data = &streaming_group_req;
256 request.size = sizeof(streaming_group_req);
258 memset(&streaming_group_req, 0, sizeof(streaming_group_req));
260 streaming_group_req.stream_count = stream_count;
261 streaming_group_req.channel_count = 2;
262 streaming_group_req.latency = 256;
263 streaming_group_req.connector = pipe->uid_left_connector; /* the left connector */
265 for (i=0; i<stream_count; i++) {
267 struct mixart_flowinfo *flowinfo;
268 struct mixart_bufferinfo *bufferinfo;
270 /* we don't yet know the format, so config 16 bit pcm audio for instance */
271 streaming_group_req.stream_info[i].size_max_byte_frame = 1024;
272 streaming_group_req.stream_info[i].size_max_sample_frame = 256;
273 streaming_group_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */
275 /* find the right bufferinfo_array */
276 j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;
277 if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */
279 streaming_group_req.flow_entry[i] = j;
281 flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;
282 flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(mixart_bufferinfo_t));
283 flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */
285 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
286 bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */
287 bufferinfo[j].available_length = 0; /* buffer is not yet allocated */
289 /* construct the identifier of the stream buffer received in the interrupts ! */
290 bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;
292 bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;
296 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(streaming_group_resp), &streaming_group_resp);
297 if((err < 0) || (streaming_group_resp.status != 0)) {
298 snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, streaming_group_resp.status);
302 pipe->group_uid = streaming_group_resp.group; /* id of the pipe, as returned by embedded */
303 pipe->stream_count = streaming_group_resp.stream_count;
304 /* pipe->stream_uid[i] = streaming_group_resp.stream[i].stream_uid; */
306 pipe->status = PIPE_STOPPED;
309 if(monitoring) pipe->monitoring = 1;
310 else pipe->references++;
316 int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring)
320 if(pipe->status == PIPE_UNDEFINED)
324 pipe->monitoring = 0;
328 if((pipe->references <= 0) && (pipe->monitoring == 0)) {
330 mixart_msg_t request;
331 mixart_delete_group_resp_t delete_resp;
333 /* release the clock */
334 err = mixart_set_clock( mgr, pipe, 0);
336 snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n");
340 err = mixart_set_pipe_state(mgr, pipe, 0);
342 snd_printk(KERN_ERR "error stopping pipe!\n");
345 request.message_id = MSG_STREAM_DELETE_GROUP;
346 request.uid = (mixart_uid_t){0,0};
347 request.data = &pipe->group_uid; /* the streaming group ! */
348 request.size = sizeof(pipe->group_uid);
350 /* delete the pipe */
351 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp);
352 if ((err < 0) || (delete_resp.status != 0)) {
353 snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status);
356 pipe->group_uid = (mixart_uid_t){0,0};
357 pipe->stream_count = 0;
358 pipe->status = PIPE_UNDEFINED;
364 static int mixart_set_stream_state(mixart_stream_t *stream, int start)
367 mixart_stream_state_req_t stream_state_req;
368 mixart_msg_t request;
370 if(!stream->substream)
373 memset(&stream_state_req, 0, sizeof(stream_state_req));
374 stream_state_req.stream_count = 1;
375 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid;
376 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number;
378 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
379 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET;
381 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET;
383 request.uid = (mixart_uid_t){0,0};
384 request.data = &stream_state_req;
385 request.size = sizeof(stream_state_req);
387 stream->abs_period_elapsed = 0; /* reset stream pos */
388 stream->buf_periods = 0;
389 stream->buf_period_frag = 0;
391 chip = snd_pcm_substream_chip(stream->substream);
393 return snd_mixart_send_msg_nonblock(chip->mgr, &request);
400 static int snd_mixart_trigger(snd_pcm_substream_t *subs, int cmd)
402 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
405 case SNDRV_PCM_TRIGGER_START:
407 snd_printdd("SNDRV_PCM_TRIGGER_START\n");
410 if( mixart_set_stream_state(stream, 1) )
413 stream->status = MIXART_STREAM_STATUS_RUNNING;
416 case SNDRV_PCM_TRIGGER_STOP:
419 if( mixart_set_stream_state(stream, 0) )
422 stream->status = MIXART_STREAM_STATUS_OPEN;
424 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
428 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
430 stream->status = MIXART_STREAM_STATUS_PAUSE;
431 snd_printdd("SNDRV_PCM_PAUSE_PUSH\n");
433 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
435 stream->status = MIXART_STREAM_STATUS_RUNNING;
436 snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n");
444 static int mixart_sync_nonblock_events(mixart_mgr_t *mgr)
447 while (atomic_read(&mgr->msg_processed) > 0) {
449 snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n");
452 set_current_state(TASK_UNINTERRUPTIBLE);
459 * prepare callback for all pcms
461 * NOTE: this callback is non-atomic (pcm->info_flags |= SNDRV_PCM_INFO_NONATOMIC_OPS)
463 static int snd_mixart_prepare(snd_pcm_substream_t *subs)
465 mixart_t *chip = snd_pcm_substream_chip(subs);
466 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
468 /* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */
470 snd_printdd("snd_mixart_prepare\n");
472 mixart_sync_nonblock_events(chip->mgr);
474 /* only the first stream can choose the sample rate */
475 /* the further opened streams will be limited to its frequency (see open) */
476 if(chip->mgr->ref_count_rate == 1)
477 chip->mgr->sample_rate = subs->runtime->rate;
479 /* set the clock only once (first stream) on the same pipe */
480 if(stream->pipe->references == 1) {
481 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) )
489 static int mixart_set_format(mixart_stream_t *stream, snd_pcm_format_t format)
493 mixart_msg_t request;
494 mixart_stream_param_desc_t stream_param;
495 mixart_return_uid_t resp;
497 chip = snd_pcm_substream_chip(stream->substream);
499 memset(&stream_param, 0, sizeof(stream_param));
501 stream_param.coding_type = CT_LINEAR;
502 stream_param.number_of_channel = stream->channels;
504 stream_param.sampling_freq = chip->mgr->sample_rate;
505 if(stream_param.sampling_freq == 0)
506 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */
509 case SNDRV_PCM_FORMAT_U8:
510 stream_param.sample_type = ST_INTEGER_8;
511 stream_param.sample_size = 8;
513 case SNDRV_PCM_FORMAT_S16_LE:
514 stream_param.sample_type = ST_INTEGER_16LE;
515 stream_param.sample_size = 16;
517 case SNDRV_PCM_FORMAT_S16_BE:
518 stream_param.sample_type = ST_INTEGER_16BE;
519 stream_param.sample_size = 16;
521 case SNDRV_PCM_FORMAT_S24_3LE:
522 stream_param.sample_type = ST_INTEGER_24LE;
523 stream_param.sample_size = 24;
525 case SNDRV_PCM_FORMAT_S24_3BE:
526 stream_param.sample_type = ST_INTEGER_24BE;
527 stream_param.sample_size = 24;
529 case SNDRV_PCM_FMTBIT_FLOAT_LE:
530 stream_param.sample_type = ST_FLOATING_POINT_32LE;
531 stream_param.sample_size = 32;
533 case SNDRV_PCM_FMTBIT_FLOAT_BE:
534 stream_param.sample_type = ST_FLOATING_POINT_32BE;
535 stream_param.sample_size = 32;
538 snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n");
542 snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n",
543 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels);
545 /* TODO: what else to configure ? */
546 /* stream_param.samples_per_frame = 2; */
547 /* stream_param.bytes_per_frame = 4; */
548 /* stream_param.bytes_per_sample = 2; */
550 stream_param.pipe_count = 1; /* set to 1 */
551 stream_param.stream_count = 1; /* set to 1 */
552 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid;
553 stream_param.stream_desc[0].stream_idx = stream->substream->number;
555 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM;
556 request.uid = (mixart_uid_t){0,0};
557 request.data = &stream_param;
558 request.size = sizeof(stream_param);
560 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
561 if((err < 0) || resp.error_code) {
562 snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code);
570 * HW_PARAMS callback for all pcms
572 static int snd_mixart_hw_params(snd_pcm_substream_t *subs,
573 snd_pcm_hw_params_t *hw)
575 mixart_t *chip = snd_pcm_substream_chip(subs);
576 mixart_mgr_t *mgr = chip->mgr;
577 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
578 snd_pcm_format_t format;
582 /* set up channels */
583 channels = params_channels(hw);
585 /* set up format for the stream */
586 format = params_format(hw);
588 down(&mgr->setup_mutex);
590 /* update the stream levels */
591 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) {
592 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG;
593 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK )
594 mixart_update_playback_stream_level(chip, is_aes, subs->number);
596 mixart_update_capture_stream_level( chip, is_aes);
599 stream->channels = channels;
601 /* set the format to the board */
602 err = mixart_set_format(stream, format);
607 /* allocate buffer */
608 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
611 struct mixart_bufferinfo *bufferinfo;
612 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;
613 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {
614 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */
617 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
618 bufferinfo[i].buffer_address = subs->runtime->dma_addr;
619 bufferinfo[i].available_length = subs->runtime->dma_bytes;
620 /* bufferinfo[i].buffer_id is already defined */
622 snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i, subs->runtime->dma_addr, subs->runtime->dma_bytes, subs->number);
624 up(&mgr->setup_mutex);
629 static int snd_mixart_hw_free(snd_pcm_substream_t *subs)
631 mixart_t *chip = snd_pcm_substream_chip(subs);
632 snd_pcm_lib_free_pages(subs);
633 mixart_sync_nonblock_events(chip->mgr);
640 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
642 static snd_pcm_hardware_t snd_mixart_analog_caps =
644 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
645 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
646 SNDRV_PCM_INFO_PAUSE),
647 .formats = ( SNDRV_PCM_FMTBIT_U8 |
648 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
649 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
650 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
651 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
656 .buffer_bytes_max = (32*1024),
657 .period_bytes_min = 256, /* 256 frames U8 mono*/
658 .period_bytes_max = (16*1024),
660 .periods_max = (32*1024/256),
663 static snd_pcm_hardware_t snd_mixart_digital_caps =
665 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
666 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
667 SNDRV_PCM_INFO_PAUSE),
668 .formats = ( SNDRV_PCM_FMTBIT_U8 |
669 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
670 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
671 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
672 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
677 .buffer_bytes_max = (32*1024),
678 .period_bytes_min = 256, /* 256 frames U8 mono*/
679 .period_bytes_max = (16*1024),
681 .periods_max = (32*1024/256),
685 static int snd_mixart_playback_open(snd_pcm_substream_t *subs)
687 mixart_t *chip = snd_pcm_substream_chip(subs);
688 mixart_mgr_t *mgr = chip->mgr;
689 snd_pcm_runtime_t *runtime = subs->runtime;
690 snd_pcm_t *pcm = subs->pcm;
691 mixart_stream_t *stream;
696 down(&mgr->setup_mutex);
698 if ( pcm == chip->pcm ) {
699 pcm_number = MIXART_PCM_ANALOG;
700 runtime->hw = snd_mixart_analog_caps;
702 snd_assert ( pcm == chip->pcm_dig );
703 pcm_number = MIXART_PCM_DIGITAL;
704 runtime->hw = snd_mixart_digital_caps;
706 snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
708 /* get stream info */
709 stream = &(chip->playback_stream[pcm_number][subs->number]);
711 if (stream->status != MIXART_STREAM_STATUS_FREE){
713 snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
718 /* get pipe pointer (out pipe) */
719 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0);
726 /* start the pipe if necessary */
727 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
729 snd_printk(KERN_ERR "error starting pipe!\n");
730 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
736 stream->pcm_number = pcm_number;
737 stream->status = MIXART_STREAM_STATUS_OPEN;
738 stream->substream = subs;
739 stream->channels = 0; /* not configured yet */
741 runtime->private_data = stream;
743 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
744 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
746 /* if a sample rate is already used, another stream cannot change */
747 if(mgr->ref_count_rate++) {
748 if(mgr->sample_rate) {
749 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
754 up(&mgr->setup_mutex);
760 static int snd_mixart_capture_open(snd_pcm_substream_t *subs)
762 mixart_t *chip = snd_pcm_substream_chip(subs);
763 mixart_mgr_t *mgr = chip->mgr;
764 snd_pcm_runtime_t *runtime = subs->runtime;
765 snd_pcm_t *pcm = subs->pcm;
766 mixart_stream_t *stream;
771 down(&mgr->setup_mutex);
773 if ( pcm == chip->pcm ) {
774 pcm_number = MIXART_PCM_ANALOG;
775 runtime->hw = snd_mixart_analog_caps;
777 snd_assert ( pcm == chip->pcm_dig );
778 pcm_number = MIXART_PCM_DIGITAL;
779 runtime->hw = snd_mixart_digital_caps;
782 runtime->hw.channels_min = 2; /* for instance, no mono */
784 snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
786 /* get stream info */
787 stream = &(chip->capture_stream[pcm_number]);
789 if (stream->status != MIXART_STREAM_STATUS_FREE){
791 snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
796 /* get pipe pointer (in pipe) */
797 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0);
804 /* start the pipe if necessary */
805 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
807 snd_printk(KERN_ERR "error starting pipe!\n");
808 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
814 stream->pcm_number = pcm_number;
815 stream->status = MIXART_STREAM_STATUS_OPEN;
816 stream->substream = subs;
817 stream->channels = 0; /* not configured yet */
819 runtime->private_data = stream;
821 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
822 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
824 /* if a sample rate is already used, another stream cannot change */
825 if(mgr->ref_count_rate++) {
826 if(mgr->sample_rate) {
827 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
832 up(&mgr->setup_mutex);
839 static int snd_mixart_close(snd_pcm_substream_t *subs)
841 mixart_t *chip = snd_pcm_substream_chip(subs);
842 mixart_mgr_t *mgr = chip->mgr;
843 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
845 down(&mgr->setup_mutex);
847 snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number);
849 /* sample rate released */
850 if(--mgr->ref_count_rate == 0) {
851 mgr->sample_rate = 0;
855 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) {
857 snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number);
861 stream->status = MIXART_STREAM_STATUS_FREE;
862 stream->substream = NULL;
864 up(&mgr->setup_mutex);
869 static snd_pcm_uframes_t snd_mixart_stream_pointer(snd_pcm_substream_t * subs)
871 snd_pcm_runtime_t *runtime = subs->runtime;
872 mixart_stream_t *stream = (mixart_stream_t*)runtime->private_data;
874 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);
879 static snd_pcm_ops_t snd_mixart_playback_ops = {
880 .open = snd_mixart_playback_open,
881 .close = snd_mixart_close,
882 .ioctl = snd_pcm_lib_ioctl,
883 .prepare = snd_mixart_prepare,
884 .hw_params = snd_mixart_hw_params,
885 .hw_free = snd_mixart_hw_free,
886 .trigger = snd_mixart_trigger,
887 .pointer = snd_mixart_stream_pointer,
890 static snd_pcm_ops_t snd_mixart_capture_ops = {
891 .open = snd_mixart_capture_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,
901 static void preallocate_buffers(mixart_t *chip, snd_pcm_t *pcm)
903 snd_pcm_substream_t *subs;
906 for (stream = 0; stream < 2; stream++) {
908 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++)
909 /* set up the unique device id with the chip index */
910 subs->dma_device.id = subs->pcm->device << 16 |
911 subs->stream << 8 | (subs->number + 1) |
912 (chip->chip_idx + 1) << 24;
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);
920 static int snd_mixart_pcm_analog(mixart_t *chip)
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);
934 pcm->private_data = chip;
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);
939 pcm->info_flags = SNDRV_PCM_INFO_NONATOMIC_OPS;
940 strcpy(pcm->name, name);
942 preallocate_buffers(chip, pcm);
951 static int snd_mixart_pcm_digital(mixart_t *chip)
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);
965 pcm->private_data = chip;
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);
970 pcm->info_flags = SNDRV_PCM_INFO_NONATOMIC_OPS;
971 strcpy(pcm->name, name);
973 preallocate_buffers(chip, pcm);
979 static int snd_mixart_chip_free(mixart_t *chip)
981 snd_magic_kfree(chip);
985 static int snd_mixart_chip_dev_free(snd_device_t *device)
987 mixart_t *chip = snd_magic_cast(mixart_t, device->device_data, return -ENXIO);
988 return snd_mixart_chip_free(chip);
994 static int __devinit snd_mixart_create(mixart_mgr_t *mgr, snd_card_t *card, int idx)
998 static snd_device_ops_t ops = {
999 .dev_free = snd_mixart_chip_dev_free,
1002 mgr->chip[idx] = chip = snd_magic_kcalloc(mixart_t, 0, GFP_KERNEL);
1004 snd_printk(KERN_ERR "cannot allocate chip\n");
1009 chip->chip_idx = idx;
1012 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1013 snd_mixart_chip_free(chip);
1018 /* create a DSP loader only on first cardX*/
1019 err = snd_mixart_hwdep_new(mgr);
1024 snd_card_set_dev(card, &mgr->pci->dev);
1029 int snd_mixart_create_pcm(mixart_t* chip)
1033 err = snd_mixart_pcm_analog(chip);
1037 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) {
1039 err = snd_mixart_pcm_digital(chip);
1048 * release all the cards assigned to a manager instance
1050 static int snd_mixart_free(mixart_mgr_t *mgr)
1054 for (i = 0; i < mgr->num_cards; i++) {
1056 snd_card_free(mgr->chip[i]->card);
1060 snd_mixart_exit_mailbox(mgr);
1064 free_irq(mgr->irq, (void *)mgr);
1066 /* reset board if some firmware was loaded */
1067 if(mgr->hwdep->dsp_loaded) {
1068 snd_mixart_reset_board(mgr);
1069 snd_printdd("reset miXart !\n");
1072 /* release the i/o ports */
1073 for (i = 0; i < 2; i++) {
1074 if (mgr->mem[i].virt)
1075 iounmap((void *)mgr->mem[i].virt);
1076 if (mgr->mem[i].res) {
1077 release_resource(mgr->mem[i].res);
1078 kfree_nocheck(mgr->mem[i].res);
1082 /* free flowarray */
1083 if(mgr->flowinfo.area) {
1084 snd_dma_free_pages(&mgr->dma_dev, &mgr->flowinfo);
1085 mgr->flowinfo.area = NULL;
1087 /* free bufferarray */
1088 if(mgr->bufferinfo.area) {
1089 snd_dma_free_pages(&mgr->dma_dev, &mgr->bufferinfo);
1090 mgr->bufferinfo.area = NULL;
1093 snd_magic_kfree(mgr);
1100 static long long snd_mixart_BA0_llseek(snd_info_entry_t *entry,
1101 void *private_file_data,
1106 offset = offset & ~3; /* 4 bytes aligned */
1109 case 0: /* SEEK_SET */
1110 file->f_pos = offset;
1112 case 1: /* SEEK_CUR */
1113 file->f_pos += offset;
1115 case 2: /* SEEK_END, offset is negative */
1116 file->f_pos = MIXART_BA0_SIZE + offset;
1121 if(file->f_pos > MIXART_BA0_SIZE)
1122 file->f_pos = MIXART_BA0_SIZE;
1126 static long long snd_mixart_BA1_llseek(snd_info_entry_t *entry,
1127 void *private_file_data,
1132 offset = offset & ~3; /* 4 bytes aligned */
1135 case 0: /* SEEK_SET */
1136 file->f_pos = offset;
1138 case 1: /* SEEK_CUR */
1139 file->f_pos += offset;
1141 case 2: /* SEEK_END, offset is negative */
1142 file->f_pos = MIXART_BA1_SIZE + offset;
1147 if(file->f_pos > MIXART_BA1_SIZE)
1148 file->f_pos = MIXART_BA1_SIZE;
1153 mixart_BA0 proc interface for BAR 0 - read callback
1155 static long snd_mixart_BA0_read(snd_info_entry_t *entry, void *file_private_data,
1156 struct file *file, char *buf, long count)
1158 mixart_mgr_t *mgr = snd_magic_cast(mixart_mgr_t, entry->private_data, return -ENXIO);
1160 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1163 if(file->f_pos + count > MIXART_BA0_SIZE)
1164 count = (long)(MIXART_BA0_SIZE - file->f_pos);
1165 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, file->f_pos ), count))
1167 file->f_pos += count;
1172 mixart_BA1 proc interface for BAR 1 - read callback
1174 static long snd_mixart_BA1_read(snd_info_entry_t *entry, void *file_private_data,
1175 struct file *file, char *buf, long count)
1177 mixart_mgr_t *mgr = snd_magic_cast(mixart_mgr_t, entry->private_data, return -ENXIO);
1179 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1182 if(file->f_pos + count > MIXART_BA1_SIZE)
1183 count = (long)(MIXART_BA1_SIZE - file->f_pos);
1184 if(copy_to_user_fromio(buf, MIXART_REG( mgr, file->f_pos ), count))
1186 file->f_pos += count;
1190 static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
1191 .read = snd_mixart_BA0_read,
1192 .llseek = snd_mixart_BA0_llseek
1195 static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
1196 .read = snd_mixart_BA1_read,
1197 .llseek = snd_mixart_BA1_llseek
1201 static void snd_mixart_proc_read(snd_info_entry_t *entry,
1202 snd_info_buffer_t * buffer)
1204 mixart_t *chip = snd_magic_cast(mixart_t, entry->private_data, return);
1207 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx);
1209 /* stats available when embedded OS is running */
1210 if (chip->mgr->hwdep->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;
1219 snd_iprintf(buffer, "- system load -\n");
1221 /* get perf reference */
1223 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET));
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;
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);
1234 } /* endif elf loaded */
1237 static void __devinit snd_mixart_proc_init(mixart_t *chip)
1239 snd_info_entry_t *entry;
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;
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;
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;
1261 /* end of proc interface */
1265 * probe function - creates the card manager
1267 static int __devinit snd_mixart_probe(struct pci_dev *pci,
1268 const struct pci_device_id *pci_id)
1278 if (dev >= SNDRV_CARDS)
1280 if (! enable[dev]) {
1285 /* enable PCI device */
1286 if ((err = pci_enable_device(pci)) < 0)
1288 pci_set_master(pci);
1290 /* check if we can restrict PCI DMA transfers to 32 bits */
1291 if (!pci_dma_supported(pci, 0xffffffff)) {
1292 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
1295 pci_set_dma_mask(pci, 0xffffffff);
1299 mgr = snd_magic_kcalloc(mixart_mgr_t, 0, GFP_KERNEL);
1306 /* resource assignment */
1307 for (i = 0; i < 2; i++) {
1308 static int memory_sizes[2] = {
1309 MIXART_BA0_SIZE, /* 16M */
1310 MIXART_BA1_SIZE /* 4 k */
1312 mgr->mem[i].phys = pci_resource_start(pci, i);
1313 mgr->mem[i].res = request_mem_region(mgr->mem[i].phys, memory_sizes[i], CARD_NAME);
1314 if (! mgr->mem[i].res) {
1315 snd_printk(KERN_ERR "unable to grab memory 0x%lx\n", mgr->mem[i].phys);
1316 snd_mixart_free(mgr);
1319 mgr->mem[i].virt = (unsigned long)ioremap_nocache(mgr->mem[i].phys, memory_sizes[i]);
1322 if (request_irq(pci->irq, snd_mixart_interrupt, SA_INTERRUPT|SA_SHIRQ, CARD_NAME, (void *)mgr)) {
1323 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1324 snd_mixart_free(mgr);
1327 mgr->irq = pci->irq;
1329 sprintf(mgr->shortname, "Digigram miXart");
1330 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq);
1333 mgr->lock = SPIN_LOCK_UNLOCKED;
1336 mgr->msg_fifo_readptr = 0;
1337 mgr->msg_fifo_writeptr = 0;
1339 mgr->msg_lock = SPIN_LOCK_UNLOCKED;
1340 init_MUTEX(&mgr->msg_mutex);
1341 init_waitqueue_head(&mgr->msg_sleep);
1342 atomic_set(&mgr->msg_processed, 0);
1344 /* init setup mutex*/
1345 init_MUTEX(&mgr->setup_mutex);
1347 /* init message taslket */
1348 tasklet_init( &mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr);
1350 /* card assignment */
1351 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */
1352 for (i = 0; i < mgr->num_cards; i++) {
1360 idx = index[dev] + i;
1361 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev], i);
1362 card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
1365 snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
1366 snd_mixart_free(mgr);
1370 strcpy(card->driver, CARD_NAME);
1371 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
1372 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
1374 if ((err = snd_mixart_create(mgr, card, i)) < 0) {
1375 snd_mixart_free(mgr);
1380 /* init proc interface only for chip0 */
1381 snd_mixart_proc_init(mgr->chip[i]);
1384 if ((err = snd_card_register(card)) < 0) {
1385 snd_mixart_free(mgr);
1390 /* init firmware status (mgr->hwdep->dsp_loaded reset in hwdep_new) */
1391 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE;
1393 memset(&mgr->dma_dev, 0, sizeof(mgr->dma_dev));
1394 mgr->dma_dev.type = SNDRV_DMA_TYPE_DEV;
1395 mgr->dma_dev.dev = snd_dma_pci_data(mgr->pci);
1397 /* create array of streaminfo */
1398 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_flowinfo_t)) );
1399 if (snd_dma_alloc_pages(&mgr->dma_dev, size, &mgr->flowinfo) < 0) {
1400 snd_mixart_free(mgr);
1403 /* init streaminfo_array */
1404 memset(mgr->flowinfo.area, 0, size);
1406 /* create array of bufferinfo */
1407 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_bufferinfo_t)) );
1408 if (snd_dma_alloc_pages(&mgr->dma_dev, size, &mgr->bufferinfo) < 0) {
1409 snd_mixart_free(mgr);
1412 /* init bufferinfo_array */
1413 memset(mgr->bufferinfo.area, 0, size);
1415 pci_set_drvdata(pci, mgr);
1420 static void __devexit snd_mixart_remove(struct pci_dev *pci)
1422 snd_mixart_free(pci_get_drvdata(pci));
1423 pci_set_drvdata(pci, NULL);
1426 static struct pci_driver driver = {
1427 .name = "Digigram miXart",
1428 .id_table = snd_mixart_ids,
1429 .probe = snd_mixart_probe,
1430 .remove = __devexit_p(snd_mixart_remove),
1433 static int __init alsa_card_mixart_init(void)
1437 if ((err = pci_module_init(&driver)) < 0) {
1439 snd_printk(KERN_ERR "Digigram miXart soundcard not found or device busy\n");
1446 static void __exit alsa_card_mixart_exit(void)
1448 pci_unregister_driver(&driver);
1451 module_init(alsa_card_mixart_init)
1452 module_exit(alsa_card_mixart_exit)
1456 /* format is: snd-mixart=enable,index,id */
1458 static int __init alsa_card_mixart_setup(char *str)
1460 static unsigned __initdata nr_dev = 0;
1462 if (nr_dev >= SNDRV_CARDS)
1464 (void)(get_option(&str,&enable[nr_dev]) == 2 &&
1465 get_option(&str,&index[nr_dev]) == 2 &&
1466 get_id(&str,&id[nr_dev]) == 2);
1471 __setup("snd-mixart=", alsa_card_mixart_setup);
1473 #endif /* ifndef MODULE */