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 <linux/moduleparam.h>
29 #include <sound/core.h>
30 #include <sound/initval.h>
31 #include <sound/info.h>
32 #include <sound/control.h>
33 #include <sound/pcm.h>
34 #include <sound/pcm_params.h>
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_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}");
47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
49 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
51 module_param_array(index, int, NULL, 0444);
52 MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
53 module_param_array(id, charp, NULL, 0444);
54 MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
55 module_param_array(enable, bool, NULL, 0444);
56 MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
61 static struct pci_device_id snd_mixart_ids[] = {
62 { 0x1057, 0x0003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* MC8240 */
66 MODULE_DEVICE_TABLE(pci, snd_mixart_ids);
69 static int mixart_set_pipe_state(mixart_mgr_t *mgr, mixart_pipe_t* pipe, int start)
71 mixart_group_state_req_t group_state;
72 mixart_group_state_resp_t group_state_resp;
77 switch(pipe->status) {
80 if(start) return 0; /* already started */
83 if(!start) return 0; /* already stopped */
86 snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n");
87 return -EINVAL; /* function called with wrong pipe status */
90 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */
92 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */
94 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
95 request.uid = (mixart_uid_t){0,0};
96 request.data = &system_msg_uid;
97 request.size = sizeof(system_msg_uid);
99 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
101 snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");
105 /* start or stop the pipe (1 pipe) */
107 memset(&group_state, 0, sizeof(group_state));
108 group_state.pipe_count = 1;
109 group_state.pipe_uid[0] = pipe->group_uid;
112 request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;
114 request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;
116 request.uid = pipe->group_uid; /*(mixart_uid_t){0,0};*/
117 request.data = &group_state;
118 request.size = sizeof(group_state);
120 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
121 if (err < 0 || group_state_resp.txx_status != 0) {
122 snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
129 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */
131 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
132 if (err < 0 || group_state_resp.txx_status != 0) {
133 snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
137 /* in case of start send a synchro top */
139 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
140 request.uid = (mixart_uid_t){0,0};
144 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
145 if (err < 0 || stat != 0) {
146 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat);
150 pipe->status = PIPE_RUNNING;
153 pipe->status = PIPE_STOPPED;
159 static int mixart_set_clock(mixart_mgr_t *mgr, mixart_pipe_t *pipe, unsigned int rate)
161 mixart_msg_t request;
162 mixart_clock_properties_t clock_properties;
163 mixart_clock_properties_resp_t clock_prop_resp;
166 switch(pipe->status) {
174 return 0; /* nothing to do */
176 snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate);
181 memset(&clock_properties, 0, sizeof(clock_properties));
182 clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
183 clock_properties.clock_mode = CM_STANDALONE;
184 clock_properties.frequency = rate;
185 clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
186 clock_properties.uid_caller[0] = pipe->group_uid;
188 snd_printdd("mixart_set_clock to %d kHz\n", rate);
190 request.message_id = MSG_CLOCK_SET_PROPERTIES;
191 request.uid = mgr->uid_console_manager;
192 request.data = &clock_properties;
193 request.size = sizeof(clock_properties);
195 err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
196 if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
197 snd_printk(KERN_ERR "error MSG_CLOCK_SET_PROPERTIES err=%x stat=%x mod=%x !\n", err, clock_prop_resp.status, clock_prop_resp.clock_mode);
201 if(rate) pipe->status = PIPE_CLOCK_SET;
202 else pipe->status = PIPE_RUNNING;
209 * Allocate or reference output pipe for analog IOs (pcmp0/1)
211 mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring)
215 mixart_msg_t request;
218 if (pcm_number == MIXART_PCM_ANALOG) {
219 pipe = &(chip->pipe_in_ana); /* analog inputs */
221 pipe = &(chip->pipe_in_dig); /* digital inputs */
223 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
224 stream_count = MIXART_CAPTURE_STREAMS;
226 if (pcm_number == MIXART_PCM_ANALOG) {
227 pipe = &(chip->pipe_out_ana); /* analog outputs */
229 pipe = &(chip->pipe_out_dig); /* digital outputs */
231 request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
232 stream_count = MIXART_PLAYBACK_STREAMS;
235 /* a new stream is opened and there are already all streams in use */
236 if( (monitoring == 0) && (pipe->references >= stream_count) ) {
240 /* pipe is not yet defined */
241 if( pipe->status == PIPE_UNDEFINED ) {
244 mixart_streaming_group_req_t sgroup_req;
245 mixart_streaming_group_t sgroup_resp;
248 snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number);
250 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
254 request.uid = (mixart_uid_t){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */
255 request.data = &buf->sgroup_req;
256 request.size = sizeof(buf->sgroup_req);
258 memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));
260 buf->sgroup_req.stream_count = stream_count;
261 buf->sgroup_req.channel_count = 2;
262 buf->sgroup_req.latency = 256;
263 buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */
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 buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;
272 buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;
273 buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */
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 buf->sgroup_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(buf->sgroup_resp), &buf->sgroup_resp);
297 if((err < 0) || (buf->sgroup_resp.status != 0)) {
298 snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status);
303 pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */
304 pipe->stream_count = buf->sgroup_resp.stream_count;
305 /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */
307 pipe->status = PIPE_STOPPED;
311 if(monitoring) pipe->monitoring = 1;
312 else pipe->references++;
318 int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring)
322 if(pipe->status == PIPE_UNDEFINED)
326 pipe->monitoring = 0;
330 if((pipe->references <= 0) && (pipe->monitoring == 0)) {
332 mixart_msg_t request;
333 mixart_delete_group_resp_t delete_resp;
335 /* release the clock */
336 err = mixart_set_clock( mgr, pipe, 0);
338 snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n");
342 err = mixart_set_pipe_state(mgr, pipe, 0);
344 snd_printk(KERN_ERR "error stopping pipe!\n");
347 request.message_id = MSG_STREAM_DELETE_GROUP;
348 request.uid = (mixart_uid_t){0,0};
349 request.data = &pipe->group_uid; /* the streaming group ! */
350 request.size = sizeof(pipe->group_uid);
352 /* delete the pipe */
353 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp);
354 if ((err < 0) || (delete_resp.status != 0)) {
355 snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status);
358 pipe->group_uid = (mixart_uid_t){0,0};
359 pipe->stream_count = 0;
360 pipe->status = PIPE_UNDEFINED;
366 static int mixart_set_stream_state(mixart_stream_t *stream, int start)
369 mixart_stream_state_req_t stream_state_req;
370 mixart_msg_t request;
372 if(!stream->substream)
375 memset(&stream_state_req, 0, sizeof(stream_state_req));
376 stream_state_req.stream_count = 1;
377 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid;
378 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number;
380 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
381 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET;
383 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET;
385 request.uid = (mixart_uid_t){0,0};
386 request.data = &stream_state_req;
387 request.size = sizeof(stream_state_req);
389 stream->abs_period_elapsed = 0; /* reset stream pos */
390 stream->buf_periods = 0;
391 stream->buf_period_frag = 0;
393 chip = snd_pcm_substream_chip(stream->substream);
395 return snd_mixart_send_msg_nonblock(chip->mgr, &request);
402 static int snd_mixart_trigger(snd_pcm_substream_t *subs, int cmd)
404 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
407 case SNDRV_PCM_TRIGGER_START:
409 snd_printdd("SNDRV_PCM_TRIGGER_START\n");
412 if( mixart_set_stream_state(stream, 1) )
415 stream->status = MIXART_STREAM_STATUS_RUNNING;
418 case SNDRV_PCM_TRIGGER_STOP:
421 if( mixart_set_stream_state(stream, 0) )
424 stream->status = MIXART_STREAM_STATUS_OPEN;
426 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
430 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
432 stream->status = MIXART_STREAM_STATUS_PAUSE;
433 snd_printdd("SNDRV_PCM_PAUSE_PUSH\n");
435 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
437 stream->status = MIXART_STREAM_STATUS_RUNNING;
438 snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n");
446 static int mixart_sync_nonblock_events(mixart_mgr_t *mgr)
448 unsigned long timeout = jiffies + HZ;
449 while (atomic_read(&mgr->msg_processed) > 0) {
450 if (time_after(jiffies, timeout)) {
451 snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n");
454 schedule_timeout_uninterruptible(1);
460 * prepare callback for all pcms
462 static int snd_mixart_prepare(snd_pcm_substream_t *subs)
464 mixart_t *chip = snd_pcm_substream_chip(subs);
465 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
467 /* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */
469 snd_printdd("snd_mixart_prepare\n");
471 mixart_sync_nonblock_events(chip->mgr);
473 /* only the first stream can choose the sample rate */
474 /* the further opened streams will be limited to its frequency (see open) */
475 if(chip->mgr->ref_count_rate == 1)
476 chip->mgr->sample_rate = subs->runtime->rate;
478 /* set the clock only once (first stream) on the same pipe */
479 if(stream->pipe->references == 1) {
480 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) )
488 static int mixart_set_format(mixart_stream_t *stream, snd_pcm_format_t format)
492 mixart_msg_t request;
493 mixart_stream_param_desc_t stream_param;
494 mixart_return_uid_t resp;
496 chip = snd_pcm_substream_chip(stream->substream);
498 memset(&stream_param, 0, sizeof(stream_param));
500 stream_param.coding_type = CT_LINEAR;
501 stream_param.number_of_channel = stream->channels;
503 stream_param.sampling_freq = chip->mgr->sample_rate;
504 if(stream_param.sampling_freq == 0)
505 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */
508 case SNDRV_PCM_FORMAT_U8:
509 stream_param.sample_type = ST_INTEGER_8;
510 stream_param.sample_size = 8;
512 case SNDRV_PCM_FORMAT_S16_LE:
513 stream_param.sample_type = ST_INTEGER_16LE;
514 stream_param.sample_size = 16;
516 case SNDRV_PCM_FORMAT_S16_BE:
517 stream_param.sample_type = ST_INTEGER_16BE;
518 stream_param.sample_size = 16;
520 case SNDRV_PCM_FORMAT_S24_3LE:
521 stream_param.sample_type = ST_INTEGER_24LE;
522 stream_param.sample_size = 24;
524 case SNDRV_PCM_FORMAT_S24_3BE:
525 stream_param.sample_type = ST_INTEGER_24BE;
526 stream_param.sample_size = 24;
528 case SNDRV_PCM_FORMAT_FLOAT_LE:
529 stream_param.sample_type = ST_FLOATING_POINT_32LE;
530 stream_param.sample_size = 32;
532 case SNDRV_PCM_FORMAT_FLOAT_BE:
533 stream_param.sample_type = ST_FLOATING_POINT_32BE;
534 stream_param.sample_size = 32;
537 snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n");
541 snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n",
542 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels);
544 /* TODO: what else to configure ? */
545 /* stream_param.samples_per_frame = 2; */
546 /* stream_param.bytes_per_frame = 4; */
547 /* stream_param.bytes_per_sample = 2; */
549 stream_param.pipe_count = 1; /* set to 1 */
550 stream_param.stream_count = 1; /* set to 1 */
551 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid;
552 stream_param.stream_desc[0].stream_idx = stream->substream->number;
554 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM;
555 request.uid = (mixart_uid_t){0,0};
556 request.data = &stream_param;
557 request.size = sizeof(stream_param);
559 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
560 if((err < 0) || resp.error_code) {
561 snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code);
569 * HW_PARAMS callback for all pcms
571 static int snd_mixart_hw_params(snd_pcm_substream_t *subs,
572 snd_pcm_hw_params_t *hw)
574 mixart_t *chip = snd_pcm_substream_chip(subs);
575 mixart_mgr_t *mgr = chip->mgr;
576 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
577 snd_pcm_format_t format;
581 /* set up channels */
582 channels = params_channels(hw);
584 /* set up format for the stream */
585 format = params_format(hw);
587 down(&mgr->setup_mutex);
589 /* update the stream levels */
590 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) {
591 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG;
592 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK )
593 mixart_update_playback_stream_level(chip, is_aes, subs->number);
595 mixart_update_capture_stream_level( chip, is_aes);
598 stream->channels = channels;
600 /* set the format to the board */
601 err = mixart_set_format(stream, format);
606 /* allocate buffer */
607 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
610 struct mixart_bufferinfo *bufferinfo;
611 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;
612 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {
613 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */
616 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
617 bufferinfo[i].buffer_address = subs->runtime->dma_addr;
618 bufferinfo[i].available_length = subs->runtime->dma_bytes;
619 /* bufferinfo[i].buffer_id is already defined */
621 snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i,
622 bufferinfo[i].buffer_address,
623 bufferinfo[i].available_length,
626 up(&mgr->setup_mutex);
631 static int snd_mixart_hw_free(snd_pcm_substream_t *subs)
633 mixart_t *chip = snd_pcm_substream_chip(subs);
634 snd_pcm_lib_free_pages(subs);
635 mixart_sync_nonblock_events(chip->mgr);
642 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
644 static snd_pcm_hardware_t snd_mixart_analog_caps =
646 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
647 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
648 SNDRV_PCM_INFO_PAUSE),
649 .formats = ( SNDRV_PCM_FMTBIT_U8 |
650 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
651 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
652 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
653 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
658 .buffer_bytes_max = (32*1024),
659 .period_bytes_min = 256, /* 256 frames U8 mono*/
660 .period_bytes_max = (16*1024),
662 .periods_max = (32*1024/256),
665 static snd_pcm_hardware_t snd_mixart_digital_caps =
667 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
668 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
669 SNDRV_PCM_INFO_PAUSE),
670 .formats = ( SNDRV_PCM_FMTBIT_U8 |
671 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
672 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
673 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
674 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
679 .buffer_bytes_max = (32*1024),
680 .period_bytes_min = 256, /* 256 frames U8 mono*/
681 .period_bytes_max = (16*1024),
683 .periods_max = (32*1024/256),
687 static int snd_mixart_playback_open(snd_pcm_substream_t *subs)
689 mixart_t *chip = snd_pcm_substream_chip(subs);
690 mixart_mgr_t *mgr = chip->mgr;
691 snd_pcm_runtime_t *runtime = subs->runtime;
692 snd_pcm_t *pcm = subs->pcm;
693 mixart_stream_t *stream;
698 down(&mgr->setup_mutex);
700 if ( pcm == chip->pcm ) {
701 pcm_number = MIXART_PCM_ANALOG;
702 runtime->hw = snd_mixart_analog_caps;
704 snd_assert ( pcm == chip->pcm_dig );
705 pcm_number = MIXART_PCM_DIGITAL;
706 runtime->hw = snd_mixart_digital_caps;
708 snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
710 /* get stream info */
711 stream = &(chip->playback_stream[pcm_number][subs->number]);
713 if (stream->status != MIXART_STREAM_STATUS_FREE){
715 snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
720 /* get pipe pointer (out pipe) */
721 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0);
728 /* start the pipe if necessary */
729 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
731 snd_printk(KERN_ERR "error starting pipe!\n");
732 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
738 stream->pcm_number = pcm_number;
739 stream->status = MIXART_STREAM_STATUS_OPEN;
740 stream->substream = subs;
741 stream->channels = 0; /* not configured yet */
743 runtime->private_data = stream;
745 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
746 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
748 /* if a sample rate is already used, another stream cannot change */
749 if(mgr->ref_count_rate++) {
750 if(mgr->sample_rate) {
751 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
756 up(&mgr->setup_mutex);
762 static int snd_mixart_capture_open(snd_pcm_substream_t *subs)
764 mixart_t *chip = snd_pcm_substream_chip(subs);
765 mixart_mgr_t *mgr = chip->mgr;
766 snd_pcm_runtime_t *runtime = subs->runtime;
767 snd_pcm_t *pcm = subs->pcm;
768 mixart_stream_t *stream;
773 down(&mgr->setup_mutex);
775 if ( pcm == chip->pcm ) {
776 pcm_number = MIXART_PCM_ANALOG;
777 runtime->hw = snd_mixart_analog_caps;
779 snd_assert ( pcm == chip->pcm_dig );
780 pcm_number = MIXART_PCM_DIGITAL;
781 runtime->hw = snd_mixart_digital_caps;
784 runtime->hw.channels_min = 2; /* for instance, no mono */
786 snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
788 /* get stream info */
789 stream = &(chip->capture_stream[pcm_number]);
791 if (stream->status != MIXART_STREAM_STATUS_FREE){
793 snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
798 /* get pipe pointer (in pipe) */
799 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0);
806 /* start the pipe if necessary */
807 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
809 snd_printk(KERN_ERR "error starting pipe!\n");
810 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
816 stream->pcm_number = pcm_number;
817 stream->status = MIXART_STREAM_STATUS_OPEN;
818 stream->substream = subs;
819 stream->channels = 0; /* not configured yet */
821 runtime->private_data = stream;
823 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
824 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
826 /* if a sample rate is already used, another stream cannot change */
827 if(mgr->ref_count_rate++) {
828 if(mgr->sample_rate) {
829 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
834 up(&mgr->setup_mutex);
841 static int snd_mixart_close(snd_pcm_substream_t *subs)
843 mixart_t *chip = snd_pcm_substream_chip(subs);
844 mixart_mgr_t *mgr = chip->mgr;
845 mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
847 down(&mgr->setup_mutex);
849 snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number);
851 /* sample rate released */
852 if(--mgr->ref_count_rate == 0) {
853 mgr->sample_rate = 0;
857 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) {
859 snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number);
863 stream->status = MIXART_STREAM_STATUS_FREE;
864 stream->substream = NULL;
866 up(&mgr->setup_mutex);
871 static snd_pcm_uframes_t snd_mixart_stream_pointer(snd_pcm_substream_t * subs)
873 snd_pcm_runtime_t *runtime = subs->runtime;
874 mixart_stream_t *stream = (mixart_stream_t*)runtime->private_data;
876 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);
881 static snd_pcm_ops_t snd_mixart_playback_ops = {
882 .open = snd_mixart_playback_open,
883 .close = snd_mixart_close,
884 .ioctl = snd_pcm_lib_ioctl,
885 .prepare = snd_mixart_prepare,
886 .hw_params = snd_mixart_hw_params,
887 .hw_free = snd_mixart_hw_free,
888 .trigger = snd_mixart_trigger,
889 .pointer = snd_mixart_stream_pointer,
892 static snd_pcm_ops_t snd_mixart_capture_ops = {
893 .open = snd_mixart_capture_open,
894 .close = snd_mixart_close,
895 .ioctl = snd_pcm_lib_ioctl,
896 .prepare = snd_mixart_prepare,
897 .hw_params = snd_mixart_hw_params,
898 .hw_free = snd_mixart_hw_free,
899 .trigger = snd_mixart_trigger,
900 .pointer = snd_mixart_stream_pointer,
903 static void preallocate_buffers(mixart_t *chip, snd_pcm_t *pcm)
906 snd_pcm_substream_t *subs;
909 for (stream = 0; stream < 2; stream++) {
911 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++)
912 /* set up the unique device id with the chip index */
913 subs->dma_device.id = subs->pcm->device << 16 |
914 subs->stream << 8 | (subs->number + 1) |
915 (chip->chip_idx + 1) << 24;
918 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
919 snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024);
924 static int snd_mixart_pcm_analog(mixart_t *chip)
930 sprintf(name, "miXart analog %d", chip->chip_idx);
931 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG,
932 MIXART_PLAYBACK_STREAMS,
933 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
934 snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx);
938 pcm->private_data = chip;
940 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
941 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
944 strcpy(pcm->name, name);
946 preallocate_buffers(chip, pcm);
955 static int snd_mixart_pcm_digital(mixart_t *chip)
961 sprintf(name, "miXart AES/EBU %d", chip->chip_idx);
962 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL,
963 MIXART_PLAYBACK_STREAMS,
964 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
965 snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx);
969 pcm->private_data = chip;
971 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
972 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
975 strcpy(pcm->name, name);
977 preallocate_buffers(chip, pcm);
983 static int snd_mixart_chip_free(mixart_t *chip)
989 static int snd_mixart_chip_dev_free(snd_device_t *device)
991 mixart_t *chip = device->device_data;
992 return snd_mixart_chip_free(chip);
998 static int __devinit snd_mixart_create(mixart_mgr_t *mgr, snd_card_t *card, int idx)
1002 static snd_device_ops_t ops = {
1003 .dev_free = snd_mixart_chip_dev_free,
1006 mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1008 snd_printk(KERN_ERR "cannot allocate chip\n");
1013 chip->chip_idx = idx;
1016 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1017 snd_mixart_chip_free(chip);
1021 snd_card_set_dev(card, &mgr->pci->dev);
1026 int snd_mixart_create_pcm(mixart_t* chip)
1030 err = snd_mixart_pcm_analog(chip);
1034 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) {
1036 err = snd_mixart_pcm_digital(chip);
1045 * release all the cards assigned to a manager instance
1047 static int snd_mixart_free(mixart_mgr_t *mgr)
1051 for (i = 0; i < mgr->num_cards; i++) {
1053 snd_card_free(mgr->chip[i]->card);
1057 snd_mixart_exit_mailbox(mgr);
1061 free_irq(mgr->irq, (void *)mgr);
1063 /* reset board if some firmware was loaded */
1064 if(mgr->dsp_loaded) {
1065 snd_mixart_reset_board(mgr);
1066 snd_printdd("reset miXart !\n");
1069 /* release the i/o ports */
1070 for (i = 0; i < 2; i++) {
1071 if (mgr->mem[i].virt)
1072 iounmap(mgr->mem[i].virt);
1074 pci_release_regions(mgr->pci);
1076 /* free flowarray */
1077 if(mgr->flowinfo.area) {
1078 snd_dma_free_pages(&mgr->flowinfo);
1079 mgr->flowinfo.area = NULL;
1081 /* free bufferarray */
1082 if(mgr->bufferinfo.area) {
1083 snd_dma_free_pages(&mgr->bufferinfo);
1084 mgr->bufferinfo.area = NULL;
1087 pci_disable_device(mgr->pci);
1095 static long long snd_mixart_BA0_llseek(snd_info_entry_t *entry,
1096 void *private_file_data,
1101 offset = offset & ~3; /* 4 bytes aligned */
1104 case 0: /* SEEK_SET */
1105 file->f_pos = offset;
1107 case 1: /* SEEK_CUR */
1108 file->f_pos += offset;
1110 case 2: /* SEEK_END, offset is negative */
1111 file->f_pos = MIXART_BA0_SIZE + offset;
1116 if(file->f_pos > MIXART_BA0_SIZE)
1117 file->f_pos = MIXART_BA0_SIZE;
1121 static long long snd_mixart_BA1_llseek(snd_info_entry_t *entry,
1122 void *private_file_data,
1127 offset = offset & ~3; /* 4 bytes aligned */
1130 case 0: /* SEEK_SET */
1131 file->f_pos = offset;
1133 case 1: /* SEEK_CUR */
1134 file->f_pos += offset;
1136 case 2: /* SEEK_END, offset is negative */
1137 file->f_pos = MIXART_BA1_SIZE + offset;
1142 if(file->f_pos > MIXART_BA1_SIZE)
1143 file->f_pos = MIXART_BA1_SIZE;
1148 mixart_BA0 proc interface for BAR 0 - read callback
1150 static long snd_mixart_BA0_read(snd_info_entry_t *entry, void *file_private_data,
1151 struct file *file, char __user *buf,
1152 unsigned long count, unsigned long pos)
1154 mixart_mgr_t *mgr = entry->private_data;
1156 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1159 if(pos + count > MIXART_BA0_SIZE)
1160 count = (long)(MIXART_BA0_SIZE - pos);
1161 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count))
1167 mixart_BA1 proc interface for BAR 1 - read callback
1169 static long snd_mixart_BA1_read(snd_info_entry_t *entry, void *file_private_data,
1170 struct file *file, char __user *buf,
1171 unsigned long count, unsigned long pos)
1173 mixart_mgr_t *mgr = entry->private_data;
1175 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1178 if(pos + count > MIXART_BA1_SIZE)
1179 count = (long)(MIXART_BA1_SIZE - pos);
1180 if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count))
1185 static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
1186 .read = snd_mixart_BA0_read,
1187 .llseek = snd_mixart_BA0_llseek
1190 static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
1191 .read = snd_mixart_BA1_read,
1192 .llseek = snd_mixart_BA1_llseek
1196 static void snd_mixart_proc_read(snd_info_entry_t *entry,
1197 snd_info_buffer_t * buffer)
1199 mixart_t *chip = entry->private_data;
1202 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx);
1204 /* stats available when embedded OS is running */
1205 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) {
1206 snd_iprintf(buffer, "- hardware -\n");
1207 switch (chip->mgr->board_type ) {
1208 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break;
1209 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break;
1210 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break;
1211 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break;
1214 snd_iprintf(buffer, "- system load -\n");
1216 /* get perf reference */
1218 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET));
1221 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref;
1222 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref;
1223 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref;
1225 snd_iprintf(buffer, "\tstreaming : %d\n", streaming);
1226 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox);
1227 snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr);
1229 } /* endif elf loaded */
1232 static void __devinit snd_mixart_proc_init(mixart_t *chip)
1234 snd_info_entry_t *entry;
1236 /* text interface to read perf and temp meters */
1237 if (! snd_card_proc_new(chip->card, "board_info", &entry)) {
1238 entry->private_data = chip;
1239 entry->c.text.read_size = 1024;
1240 entry->c.text.read = snd_mixart_proc_read;
1243 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {
1244 entry->content = SNDRV_INFO_CONTENT_DATA;
1245 entry->private_data = chip->mgr;
1246 entry->c.ops = &snd_mixart_proc_ops_BA0;
1247 entry->size = MIXART_BA0_SIZE;
1249 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) {
1250 entry->content = SNDRV_INFO_CONTENT_DATA;
1251 entry->private_data = chip->mgr;
1252 entry->c.ops = &snd_mixart_proc_ops_BA1;
1253 entry->size = MIXART_BA1_SIZE;
1256 /* end of proc interface */
1260 * probe function - creates the card manager
1262 static int __devinit snd_mixart_probe(struct pci_dev *pci,
1263 const struct pci_device_id *pci_id)
1273 if (dev >= SNDRV_CARDS)
1275 if (! enable[dev]) {
1280 /* enable PCI device */
1281 if ((err = pci_enable_device(pci)) < 0)
1283 pci_set_master(pci);
1285 /* check if we can restrict PCI DMA transfers to 32 bits */
1286 if (pci_set_dma_mask(pci, 0xffffffff) < 0) {
1287 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
1288 pci_disable_device(pci);
1294 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1296 pci_disable_device(pci);
1303 /* resource assignment */
1304 if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {
1306 pci_disable_device(pci);
1309 for (i = 0; i < 2; i++) {
1310 mgr->mem[i].phys = pci_resource_start(pci, i);
1311 mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys,
1312 pci_resource_len(pci, i));
1315 if (request_irq(pci->irq, snd_mixart_interrupt, SA_INTERRUPT|SA_SHIRQ, CARD_NAME, (void *)mgr)) {
1316 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1317 snd_mixart_free(mgr);
1320 mgr->irq = pci->irq;
1322 sprintf(mgr->shortname, "Digigram miXart");
1323 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq);
1326 spin_lock_init(&mgr->lock);
1329 mgr->msg_fifo_readptr = 0;
1330 mgr->msg_fifo_writeptr = 0;
1332 spin_lock_init(&mgr->msg_lock);
1333 init_MUTEX(&mgr->msg_mutex);
1334 init_waitqueue_head(&mgr->msg_sleep);
1335 atomic_set(&mgr->msg_processed, 0);
1337 /* init setup mutex*/
1338 init_MUTEX(&mgr->setup_mutex);
1340 /* init message taslket */
1341 tasklet_init( &mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr);
1343 /* card assignment */
1344 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */
1345 for (i = 0; i < mgr->num_cards; i++) {
1353 idx = index[dev] + i;
1354 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i);
1355 card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
1358 snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
1359 snd_mixart_free(mgr);
1363 strcpy(card->driver, CARD_NAME);
1364 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
1365 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
1367 if ((err = snd_mixart_create(mgr, card, i)) < 0) {
1368 snd_mixart_free(mgr);
1373 /* init proc interface only for chip0 */
1374 snd_mixart_proc_init(mgr->chip[i]);
1377 if ((err = snd_card_register(card)) < 0) {
1378 snd_mixart_free(mgr);
1383 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */
1384 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE;
1386 /* create array of streaminfo */
1387 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_flowinfo_t)) );
1388 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1389 size, &mgr->flowinfo) < 0) {
1390 snd_mixart_free(mgr);
1393 /* init streaminfo_array */
1394 memset(mgr->flowinfo.area, 0, size);
1396 /* create array of bufferinfo */
1397 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_bufferinfo_t)) );
1398 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1399 size, &mgr->bufferinfo) < 0) {
1400 snd_mixart_free(mgr);
1403 /* init bufferinfo_array */
1404 memset(mgr->bufferinfo.area, 0, size);
1406 /* set up firmware */
1407 err = snd_mixart_setup_firmware(mgr);
1409 snd_mixart_free(mgr);
1413 pci_set_drvdata(pci, mgr);
1418 static void __devexit snd_mixart_remove(struct pci_dev *pci)
1420 snd_mixart_free(pci_get_drvdata(pci));
1421 pci_set_drvdata(pci, NULL);
1424 static struct pci_driver driver = {
1425 .name = "Digigram miXart",
1426 .id_table = snd_mixart_ids,
1427 .probe = snd_mixart_probe,
1428 .remove = __devexit_p(snd_mixart_remove),
1431 static int __init alsa_card_mixart_init(void)
1433 return pci_register_driver(&driver);
1436 static void __exit alsa_card_mixart_exit(void)
1438 pci_unregister_driver(&driver);
1441 module_init(alsa_card_mixart_init)
1442 module_exit(alsa_card_mixart_exit)