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 <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/pci.h>
27 #include <linux/dma-mapping.h>
28 #include <linux/module.h>
29 #include <linux/mutex.h>
30 #include <linux/slab.h>
32 #include <sound/core.h>
33 #include <sound/initval.h>
34 #include <sound/info.h>
35 #include <sound/control.h>
36 #include <sound/pcm.h>
37 #include <sound/pcm_params.h>
39 #include "mixart_hwdep.h"
40 #include "mixart_core.h"
41 #include "mixart_mixer.h"
43 #define CARD_NAME "miXart"
45 MODULE_AUTHOR("Digigram <alsa@digigram.com>");
46 MODULE_DESCRIPTION("Digigram " CARD_NAME);
47 MODULE_LICENSE("GPL");
48 MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}");
50 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
51 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
52 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
54 module_param_array(index, int, NULL, 0444);
55 MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
56 module_param_array(id, charp, NULL, 0444);
57 MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
58 module_param_array(enable, bool, NULL, 0444);
59 MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
64 static const struct pci_device_id snd_mixart_ids[] = {
65 { PCI_VDEVICE(MOTOROLA, 0x0003), 0, }, /* MC8240 */
69 MODULE_DEVICE_TABLE(pci, snd_mixart_ids);
72 static int mixart_set_pipe_state(struct mixart_mgr *mgr,
73 struct mixart_pipe *pipe, int start)
75 struct mixart_group_state_req group_state;
76 struct mixart_group_state_resp group_state_resp;
77 struct mixart_msg request;
81 switch(pipe->status) {
84 if(start) return 0; /* already started */
87 if(!start) return 0; /* already stopped */
90 dev_err(&mgr->pci->dev,
91 "error mixart_set_pipe_state called with wrong pipe->status!\n");
92 return -EINVAL; /* function called with wrong pipe status */
95 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */
97 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */
99 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
100 request.uid = (struct mixart_uid){0,0};
101 request.data = &system_msg_uid;
102 request.size = sizeof(system_msg_uid);
104 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
106 dev_err(&mgr->pci->dev,
107 "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; /*(struct mixart_uid){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 dev_err(&mgr->pci->dev,
129 "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n",
130 err, group_state_resp.txx_status);
137 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */
139 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
140 if (err < 0 || group_state_resp.txx_status != 0) {
141 dev_err(&mgr->pci->dev,
142 "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n",
143 err, group_state_resp.txx_status);
147 /* in case of start send a synchro top */
149 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
150 request.uid = (struct mixart_uid){0,0};
154 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
155 if (err < 0 || stat != 0) {
156 dev_err(&mgr->pci->dev,
157 "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n",
162 pipe->status = PIPE_RUNNING;
165 pipe->status = PIPE_STOPPED;
171 static int mixart_set_clock(struct mixart_mgr *mgr,
172 struct mixart_pipe *pipe, unsigned int rate)
174 struct mixart_msg request;
175 struct mixart_clock_properties clock_properties;
176 struct mixart_clock_properties_resp clock_prop_resp;
179 switch(pipe->status) {
188 return 0; /* nothing to do */
190 dev_err(&mgr->pci->dev,
191 "error mixart_set_clock(%d) called with wrong pipe->status !\n",
197 memset(&clock_properties, 0, sizeof(clock_properties));
198 clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
199 clock_properties.clock_mode = CM_STANDALONE;
200 clock_properties.frequency = rate;
201 clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
202 clock_properties.uid_caller[0] = pipe->group_uid;
204 dev_dbg(&mgr->pci->dev, "mixart_set_clock to %d kHz\n", rate);
206 request.message_id = MSG_CLOCK_SET_PROPERTIES;
207 request.uid = mgr->uid_console_manager;
208 request.data = &clock_properties;
209 request.size = sizeof(clock_properties);
211 err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
212 if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
213 dev_err(&mgr->pci->dev,
214 "error MSG_CLOCK_SET_PROPERTIES err=%x stat=%x mod=%x !\n",
215 err, clock_prop_resp.status, clock_prop_resp.clock_mode);
219 if(rate) pipe->status = PIPE_CLOCK_SET;
220 else pipe->status = PIPE_RUNNING;
227 * Allocate or reference output pipe for analog IOs (pcmp0/1)
230 snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture,
234 struct mixart_pipe *pipe;
235 struct mixart_msg request;
238 if (pcm_number == MIXART_PCM_ANALOG) {
239 pipe = &(chip->pipe_in_ana); /* analog inputs */
241 pipe = &(chip->pipe_in_dig); /* digital inputs */
243 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
244 stream_count = MIXART_CAPTURE_STREAMS;
246 if (pcm_number == MIXART_PCM_ANALOG) {
247 pipe = &(chip->pipe_out_ana); /* analog outputs */
249 pipe = &(chip->pipe_out_dig); /* digital outputs */
251 request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
252 stream_count = MIXART_PLAYBACK_STREAMS;
255 /* a new stream is opened and there are already all streams in use */
256 if( (monitoring == 0) && (pipe->references >= stream_count) ) {
260 /* pipe is not yet defined */
261 if( pipe->status == PIPE_UNDEFINED ) {
264 struct mixart_streaming_group_req sgroup_req;
265 struct mixart_streaming_group sgroup_resp;
268 dev_dbg(chip->card->dev,
269 "add_ref_pipe audio chip(%d) pcm(%d)\n",
270 chip->chip_idx, pcm_number);
272 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
276 request.uid = (struct mixart_uid){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */
277 request.data = &buf->sgroup_req;
278 request.size = sizeof(buf->sgroup_req);
280 memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));
282 buf->sgroup_req.stream_count = stream_count;
283 buf->sgroup_req.channel_count = 2;
284 buf->sgroup_req.latency = 256;
285 buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */
287 for (i=0; i<stream_count; i++) {
289 struct mixart_flowinfo *flowinfo;
290 struct mixart_bufferinfo *bufferinfo;
292 /* we don't yet know the format, so config 16 bit pcm audio for instance */
293 buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;
294 buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;
295 buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */
297 /* find the right bufferinfo_array */
298 j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;
299 if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */
301 buf->sgroup_req.flow_entry[i] = j;
303 flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;
304 flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo));
305 flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */
307 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
308 bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */
309 bufferinfo[j].available_length = 0; /* buffer is not yet allocated */
311 /* construct the identifier of the stream buffer received in the interrupts ! */
312 bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;
314 bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;
318 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp);
319 if((err < 0) || (buf->sgroup_resp.status != 0)) {
320 dev_err(chip->card->dev,
321 "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n",
322 err, buf->sgroup_resp.status);
327 pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */
328 pipe->stream_count = buf->sgroup_resp.stream_count;
329 /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */
331 pipe->status = PIPE_STOPPED;
335 if(monitoring) pipe->monitoring = 1;
336 else pipe->references++;
342 int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr,
343 struct mixart_pipe *pipe, int monitoring)
347 if(pipe->status == PIPE_UNDEFINED)
351 pipe->monitoring = 0;
355 if((pipe->references <= 0) && (pipe->monitoring == 0)) {
357 struct mixart_msg request;
358 struct mixart_delete_group_resp delete_resp;
360 /* release the clock */
361 err = mixart_set_clock( mgr, pipe, 0);
363 dev_err(&mgr->pci->dev,
364 "mixart_set_clock(0) return error!\n");
368 err = mixart_set_pipe_state(mgr, pipe, 0);
370 dev_err(&mgr->pci->dev, "error stopping pipe!\n");
373 request.message_id = MSG_STREAM_DELETE_GROUP;
374 request.uid = (struct mixart_uid){0,0};
375 request.data = &pipe->group_uid; /* the streaming group ! */
376 request.size = sizeof(pipe->group_uid);
378 /* delete the pipe */
379 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp);
380 if ((err < 0) || (delete_resp.status != 0)) {
381 dev_err(&mgr->pci->dev,
382 "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n",
383 err, delete_resp.status);
386 pipe->group_uid = (struct mixart_uid){0,0};
387 pipe->stream_count = 0;
388 pipe->status = PIPE_UNDEFINED;
394 static int mixart_set_stream_state(struct mixart_stream *stream, int start)
396 struct snd_mixart *chip;
397 struct mixart_stream_state_req stream_state_req;
398 struct mixart_msg request;
400 if(!stream->substream)
403 memset(&stream_state_req, 0, sizeof(stream_state_req));
404 stream_state_req.stream_count = 1;
405 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid;
406 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number;
408 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
409 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET;
411 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET;
413 request.uid = (struct mixart_uid){0,0};
414 request.data = &stream_state_req;
415 request.size = sizeof(stream_state_req);
417 stream->abs_period_elapsed = 0; /* reset stream pos */
418 stream->buf_periods = 0;
419 stream->buf_period_frag = 0;
421 chip = snd_pcm_substream_chip(stream->substream);
423 return snd_mixart_send_msg_nonblock(chip->mgr, &request);
430 static int snd_mixart_trigger(struct snd_pcm_substream *subs, int cmd)
432 struct mixart_stream *stream = subs->runtime->private_data;
435 case SNDRV_PCM_TRIGGER_START:
437 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_TRIGGER_START\n");
440 if( mixart_set_stream_state(stream, 1) )
443 stream->status = MIXART_STREAM_STATUS_RUNNING;
446 case SNDRV_PCM_TRIGGER_STOP:
449 if( mixart_set_stream_state(stream, 0) )
452 stream->status = MIXART_STREAM_STATUS_OPEN;
454 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_TRIGGER_STOP\n");
458 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
460 stream->status = MIXART_STREAM_STATUS_PAUSE;
461 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_PAUSE_PUSH\n");
463 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
465 stream->status = MIXART_STREAM_STATUS_RUNNING;
466 dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_PAUSE_RELEASE\n");
474 static int mixart_sync_nonblock_events(struct mixart_mgr *mgr)
476 unsigned long timeout = jiffies + HZ;
477 while (atomic_read(&mgr->msg_processed) > 0) {
478 if (time_after(jiffies, timeout)) {
479 dev_err(&mgr->pci->dev,
480 "mixart: cannot process nonblock events!\n");
483 schedule_timeout_uninterruptible(1);
489 * prepare callback for all pcms
491 static int snd_mixart_prepare(struct snd_pcm_substream *subs)
493 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
494 struct mixart_stream *stream = subs->runtime->private_data;
496 /* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */
498 dev_dbg(chip->card->dev, "snd_mixart_prepare\n");
500 mixart_sync_nonblock_events(chip->mgr);
502 /* only the first stream can choose the sample rate */
503 /* the further opened streams will be limited to its frequency (see open) */
504 if(chip->mgr->ref_count_rate == 1)
505 chip->mgr->sample_rate = subs->runtime->rate;
507 /* set the clock only once (first stream) on the same pipe */
508 if(stream->pipe->references == 1) {
509 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) )
517 static int mixart_set_format(struct mixart_stream *stream, snd_pcm_format_t format)
520 struct snd_mixart *chip;
521 struct mixart_msg request;
522 struct mixart_stream_param_desc stream_param;
523 struct mixart_return_uid resp;
525 chip = snd_pcm_substream_chip(stream->substream);
527 memset(&stream_param, 0, sizeof(stream_param));
529 stream_param.coding_type = CT_LINEAR;
530 stream_param.number_of_channel = stream->channels;
532 stream_param.sampling_freq = chip->mgr->sample_rate;
533 if(stream_param.sampling_freq == 0)
534 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */
537 case SNDRV_PCM_FORMAT_U8:
538 stream_param.sample_type = ST_INTEGER_8;
539 stream_param.sample_size = 8;
541 case SNDRV_PCM_FORMAT_S16_LE:
542 stream_param.sample_type = ST_INTEGER_16LE;
543 stream_param.sample_size = 16;
545 case SNDRV_PCM_FORMAT_S16_BE:
546 stream_param.sample_type = ST_INTEGER_16BE;
547 stream_param.sample_size = 16;
549 case SNDRV_PCM_FORMAT_S24_3LE:
550 stream_param.sample_type = ST_INTEGER_24LE;
551 stream_param.sample_size = 24;
553 case SNDRV_PCM_FORMAT_S24_3BE:
554 stream_param.sample_type = ST_INTEGER_24BE;
555 stream_param.sample_size = 24;
557 case SNDRV_PCM_FORMAT_FLOAT_LE:
558 stream_param.sample_type = ST_FLOATING_POINT_32LE;
559 stream_param.sample_size = 32;
561 case SNDRV_PCM_FORMAT_FLOAT_BE:
562 stream_param.sample_type = ST_FLOATING_POINT_32BE;
563 stream_param.sample_size = 32;
566 dev_err(chip->card->dev,
567 "error mixart_set_format() : unknown format\n");
571 dev_dbg(chip->card->dev,
572 "set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n",
573 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels);
575 /* TODO: what else to configure ? */
576 /* stream_param.samples_per_frame = 2; */
577 /* stream_param.bytes_per_frame = 4; */
578 /* stream_param.bytes_per_sample = 2; */
580 stream_param.pipe_count = 1; /* set to 1 */
581 stream_param.stream_count = 1; /* set to 1 */
582 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid;
583 stream_param.stream_desc[0].stream_idx = stream->substream->number;
585 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM;
586 request.uid = (struct mixart_uid){0,0};
587 request.data = &stream_param;
588 request.size = sizeof(stream_param);
590 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
591 if((err < 0) || resp.error_code) {
592 dev_err(chip->card->dev,
593 "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n",
594 err, resp.error_code);
602 * HW_PARAMS callback for all pcms
604 static int snd_mixart_hw_params(struct snd_pcm_substream *subs,
605 struct snd_pcm_hw_params *hw)
607 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
608 struct mixart_mgr *mgr = chip->mgr;
609 struct mixart_stream *stream = subs->runtime->private_data;
610 snd_pcm_format_t format;
614 /* set up channels */
615 channels = params_channels(hw);
617 /* set up format for the stream */
618 format = params_format(hw);
620 mutex_lock(&mgr->setup_mutex);
622 /* update the stream levels */
623 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) {
624 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG;
625 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK )
626 mixart_update_playback_stream_level(chip, is_aes, subs->number);
628 mixart_update_capture_stream_level( chip, is_aes);
631 stream->channels = channels;
633 /* set the format to the board */
634 err = mixart_set_format(stream, format);
636 mutex_unlock(&mgr->setup_mutex);
640 /* allocate buffer */
641 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
644 struct mixart_bufferinfo *bufferinfo;
645 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;
646 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {
647 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */
650 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
651 bufferinfo[i].buffer_address = subs->runtime->dma_addr;
652 bufferinfo[i].available_length = subs->runtime->dma_bytes;
653 /* bufferinfo[i].buffer_id is already defined */
655 dev_dbg(chip->card->dev,
656 "snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n",
657 i, bufferinfo[i].buffer_address,
658 bufferinfo[i].available_length,
661 mutex_unlock(&mgr->setup_mutex);
666 static int snd_mixart_hw_free(struct snd_pcm_substream *subs)
668 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
669 snd_pcm_lib_free_pages(subs);
670 mixart_sync_nonblock_events(chip->mgr);
677 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
679 static const struct snd_pcm_hardware snd_mixart_analog_caps =
681 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
682 SNDRV_PCM_INFO_MMAP_VALID |
683 SNDRV_PCM_INFO_PAUSE),
684 .formats = ( SNDRV_PCM_FMTBIT_U8 |
685 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
686 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
687 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
688 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
693 .buffer_bytes_max = (32*1024),
694 .period_bytes_min = 256, /* 256 frames U8 mono*/
695 .period_bytes_max = (16*1024),
697 .periods_max = (32*1024/256),
700 static const struct snd_pcm_hardware snd_mixart_digital_caps =
702 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
703 SNDRV_PCM_INFO_MMAP_VALID |
704 SNDRV_PCM_INFO_PAUSE),
705 .formats = ( SNDRV_PCM_FMTBIT_U8 |
706 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
707 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
708 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
709 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
714 .buffer_bytes_max = (32*1024),
715 .period_bytes_min = 256, /* 256 frames U8 mono*/
716 .period_bytes_max = (16*1024),
718 .periods_max = (32*1024/256),
722 static int snd_mixart_playback_open(struct snd_pcm_substream *subs)
724 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
725 struct mixart_mgr *mgr = chip->mgr;
726 struct snd_pcm_runtime *runtime = subs->runtime;
727 struct snd_pcm *pcm = subs->pcm;
728 struct mixart_stream *stream;
729 struct mixart_pipe *pipe;
733 mutex_lock(&mgr->setup_mutex);
735 if ( pcm == chip->pcm ) {
736 pcm_number = MIXART_PCM_ANALOG;
737 runtime->hw = snd_mixart_analog_caps;
739 snd_BUG_ON(pcm != chip->pcm_dig);
740 pcm_number = MIXART_PCM_DIGITAL;
741 runtime->hw = snd_mixart_digital_caps;
743 dev_dbg(chip->card->dev,
744 "snd_mixart_playback_open C%d/P%d/Sub%d\n",
745 chip->chip_idx, pcm_number, subs->number);
747 /* get stream info */
748 stream = &(chip->playback_stream[pcm_number][subs->number]);
750 if (stream->status != MIXART_STREAM_STATUS_FREE){
752 dev_err(chip->card->dev,
753 "snd_mixart_playback_open C%d/P%d/Sub%d in use\n",
754 chip->chip_idx, pcm_number, subs->number);
759 /* get pipe pointer (out pipe) */
760 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0);
767 /* start the pipe if necessary */
768 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
770 dev_err(chip->card->dev, "error starting pipe!\n");
771 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
777 stream->pcm_number = pcm_number;
778 stream->status = MIXART_STREAM_STATUS_OPEN;
779 stream->substream = subs;
780 stream->channels = 0; /* not configured yet */
782 runtime->private_data = stream;
784 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
785 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
787 /* if a sample rate is already used, another stream cannot change */
788 if(mgr->ref_count_rate++) {
789 if(mgr->sample_rate) {
790 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
795 mutex_unlock(&mgr->setup_mutex);
801 static int snd_mixart_capture_open(struct snd_pcm_substream *subs)
803 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
804 struct mixart_mgr *mgr = chip->mgr;
805 struct snd_pcm_runtime *runtime = subs->runtime;
806 struct snd_pcm *pcm = subs->pcm;
807 struct mixart_stream *stream;
808 struct mixart_pipe *pipe;
812 mutex_lock(&mgr->setup_mutex);
814 if ( pcm == chip->pcm ) {
815 pcm_number = MIXART_PCM_ANALOG;
816 runtime->hw = snd_mixart_analog_caps;
818 snd_BUG_ON(pcm != chip->pcm_dig);
819 pcm_number = MIXART_PCM_DIGITAL;
820 runtime->hw = snd_mixart_digital_caps;
823 runtime->hw.channels_min = 2; /* for instance, no mono */
825 dev_dbg(chip->card->dev, "snd_mixart_capture_open C%d/P%d/Sub%d\n",
826 chip->chip_idx, pcm_number, subs->number);
828 /* get stream info */
829 stream = &(chip->capture_stream[pcm_number]);
831 if (stream->status != MIXART_STREAM_STATUS_FREE){
833 dev_err(chip->card->dev,
834 "snd_mixart_capture_open C%d/P%d/Sub%d in use\n",
835 chip->chip_idx, pcm_number, subs->number);
840 /* get pipe pointer (in pipe) */
841 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0);
848 /* start the pipe if necessary */
849 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
851 dev_err(chip->card->dev, "error starting pipe!\n");
852 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
858 stream->pcm_number = pcm_number;
859 stream->status = MIXART_STREAM_STATUS_OPEN;
860 stream->substream = subs;
861 stream->channels = 0; /* not configured yet */
863 runtime->private_data = stream;
865 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
866 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
868 /* if a sample rate is already used, another stream cannot change */
869 if(mgr->ref_count_rate++) {
870 if(mgr->sample_rate) {
871 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
876 mutex_unlock(&mgr->setup_mutex);
883 static int snd_mixart_close(struct snd_pcm_substream *subs)
885 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
886 struct mixart_mgr *mgr = chip->mgr;
887 struct mixart_stream *stream = subs->runtime->private_data;
889 mutex_lock(&mgr->setup_mutex);
891 dev_dbg(chip->card->dev, "snd_mixart_close C%d/P%d/Sub%d\n",
892 chip->chip_idx, stream->pcm_number, subs->number);
894 /* sample rate released */
895 if(--mgr->ref_count_rate == 0) {
896 mgr->sample_rate = 0;
900 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) {
902 dev_err(chip->card->dev,
903 "error snd_mixart_kill_ref_pipe C%dP%d\n",
904 chip->chip_idx, stream->pcm_number);
908 stream->status = MIXART_STREAM_STATUS_FREE;
909 stream->substream = NULL;
911 mutex_unlock(&mgr->setup_mutex);
916 static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs)
918 struct snd_pcm_runtime *runtime = subs->runtime;
919 struct mixart_stream *stream = runtime->private_data;
921 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);
926 static const struct snd_pcm_ops snd_mixart_playback_ops = {
927 .open = snd_mixart_playback_open,
928 .close = snd_mixart_close,
929 .ioctl = snd_pcm_lib_ioctl,
930 .prepare = snd_mixart_prepare,
931 .hw_params = snd_mixart_hw_params,
932 .hw_free = snd_mixart_hw_free,
933 .trigger = snd_mixart_trigger,
934 .pointer = snd_mixart_stream_pointer,
937 static const struct snd_pcm_ops snd_mixart_capture_ops = {
938 .open = snd_mixart_capture_open,
939 .close = snd_mixart_close,
940 .ioctl = snd_pcm_lib_ioctl,
941 .prepare = snd_mixart_prepare,
942 .hw_params = snd_mixart_hw_params,
943 .hw_free = snd_mixart_hw_free,
944 .trigger = snd_mixart_trigger,
945 .pointer = snd_mixart_stream_pointer,
948 static void preallocate_buffers(struct snd_mixart *chip, struct snd_pcm *pcm)
951 struct snd_pcm_substream *subs;
954 for (stream = 0; stream < 2; stream++) {
956 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++)
957 /* set up the unique device id with the chip index */
958 subs->dma_device.id = subs->pcm->device << 16 |
959 subs->stream << 8 | (subs->number + 1) |
960 (chip->chip_idx + 1) << 24;
963 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
964 snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024);
969 static int snd_mixart_pcm_analog(struct snd_mixart *chip)
975 sprintf(name, "miXart analog %d", chip->chip_idx);
976 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG,
977 MIXART_PLAYBACK_STREAMS,
978 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
979 dev_err(chip->card->dev,
980 "cannot create the analog pcm %d\n", chip->chip_idx);
984 pcm->private_data = chip;
986 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
987 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
990 pcm->nonatomic = true;
991 strcpy(pcm->name, name);
993 preallocate_buffers(chip, pcm);
1002 static int snd_mixart_pcm_digital(struct snd_mixart *chip)
1005 struct snd_pcm *pcm;
1008 sprintf(name, "miXart AES/EBU %d", chip->chip_idx);
1009 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL,
1010 MIXART_PLAYBACK_STREAMS,
1011 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
1012 dev_err(chip->card->dev,
1013 "cannot create the digital pcm %d\n", chip->chip_idx);
1017 pcm->private_data = chip;
1019 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
1020 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
1022 pcm->info_flags = 0;
1023 pcm->nonatomic = true;
1024 strcpy(pcm->name, name);
1026 preallocate_buffers(chip, pcm);
1028 chip->pcm_dig = pcm;
1032 static int snd_mixart_chip_free(struct snd_mixart *chip)
1038 static int snd_mixart_chip_dev_free(struct snd_device *device)
1040 struct snd_mixart *chip = device->device_data;
1041 return snd_mixart_chip_free(chip);
1047 static int snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx)
1050 struct snd_mixart *chip;
1051 static struct snd_device_ops ops = {
1052 .dev_free = snd_mixart_chip_dev_free,
1055 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1060 chip->chip_idx = idx;
1063 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1064 snd_mixart_chip_free(chip);
1068 mgr->chip[idx] = chip;
1072 int snd_mixart_create_pcm(struct snd_mixart* chip)
1076 err = snd_mixart_pcm_analog(chip);
1080 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) {
1082 err = snd_mixart_pcm_digital(chip);
1091 * release all the cards assigned to a manager instance
1093 static int snd_mixart_free(struct mixart_mgr *mgr)
1097 for (i = 0; i < mgr->num_cards; i++) {
1099 snd_card_free(mgr->chip[i]->card);
1103 snd_mixart_exit_mailbox(mgr);
1107 free_irq(mgr->irq, mgr);
1109 /* reset board if some firmware was loaded */
1110 if(mgr->dsp_loaded) {
1111 snd_mixart_reset_board(mgr);
1112 dev_dbg(&mgr->pci->dev, "reset miXart !\n");
1115 /* release the i/o ports */
1116 for (i = 0; i < 2; ++i)
1117 iounmap(mgr->mem[i].virt);
1119 pci_release_regions(mgr->pci);
1121 /* free flowarray */
1122 if(mgr->flowinfo.area) {
1123 snd_dma_free_pages(&mgr->flowinfo);
1124 mgr->flowinfo.area = NULL;
1126 /* free bufferarray */
1127 if(mgr->bufferinfo.area) {
1128 snd_dma_free_pages(&mgr->bufferinfo);
1129 mgr->bufferinfo.area = NULL;
1132 pci_disable_device(mgr->pci);
1142 mixart_BA0 proc interface for BAR 0 - read callback
1144 static ssize_t snd_mixart_BA0_read(struct snd_info_entry *entry,
1145 void *file_private_data,
1146 struct file *file, char __user *buf,
1147 size_t count, loff_t pos)
1149 struct mixart_mgr *mgr = entry->private_data;
1151 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1152 if (copy_to_user_fromio(buf, MIXART_MEM(mgr, pos), count))
1158 mixart_BA1 proc interface for BAR 1 - read callback
1160 static ssize_t snd_mixart_BA1_read(struct snd_info_entry *entry,
1161 void *file_private_data,
1162 struct file *file, char __user *buf,
1163 size_t count, loff_t pos)
1165 struct mixart_mgr *mgr = entry->private_data;
1167 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1168 if (copy_to_user_fromio(buf, MIXART_REG(mgr, pos), count))
1173 static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
1174 .read = snd_mixart_BA0_read,
1177 static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
1178 .read = snd_mixart_BA1_read,
1182 static void snd_mixart_proc_read(struct snd_info_entry *entry,
1183 struct snd_info_buffer *buffer)
1185 struct snd_mixart *chip = entry->private_data;
1188 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx);
1190 /* stats available when embedded OS is running */
1191 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) {
1192 snd_iprintf(buffer, "- hardware -\n");
1193 switch (chip->mgr->board_type ) {
1194 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break;
1195 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break;
1196 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break;
1197 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break;
1200 snd_iprintf(buffer, "- system load -\n");
1202 /* get perf reference */
1204 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET));
1207 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref;
1208 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref;
1209 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref;
1211 snd_iprintf(buffer, "\tstreaming : %d\n", streaming);
1212 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox);
1213 snd_iprintf(buffer, "\tinterrupts handling : %d\n\n", interr);
1215 } /* endif elf loaded */
1218 static void snd_mixart_proc_init(struct snd_mixart *chip)
1220 struct snd_info_entry *entry;
1222 /* text interface to read perf and temp meters */
1223 if (! snd_card_proc_new(chip->card, "board_info", &entry)) {
1224 entry->private_data = chip;
1225 entry->c.text.read = snd_mixart_proc_read;
1228 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {
1229 entry->content = SNDRV_INFO_CONTENT_DATA;
1230 entry->private_data = chip->mgr;
1231 entry->c.ops = &snd_mixart_proc_ops_BA0;
1232 entry->size = MIXART_BA0_SIZE;
1234 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) {
1235 entry->content = SNDRV_INFO_CONTENT_DATA;
1236 entry->private_data = chip->mgr;
1237 entry->c.ops = &snd_mixart_proc_ops_BA1;
1238 entry->size = MIXART_BA1_SIZE;
1241 /* end of proc interface */
1245 * probe function - creates the card manager
1247 static int snd_mixart_probe(struct pci_dev *pci,
1248 const struct pci_device_id *pci_id)
1251 struct mixart_mgr *mgr;
1258 if (dev >= SNDRV_CARDS)
1260 if (! enable[dev]) {
1265 /* enable PCI device */
1266 if ((err = pci_enable_device(pci)) < 0)
1268 pci_set_master(pci);
1270 /* check if we can restrict PCI DMA transfers to 32 bits */
1271 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) {
1273 "architecture does not support 32bit PCI busmaster DMA\n");
1274 pci_disable_device(pci);
1280 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1282 pci_disable_device(pci);
1289 /* resource assignment */
1290 if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {
1292 pci_disable_device(pci);
1295 for (i = 0; i < 2; i++) {
1296 mgr->mem[i].phys = pci_resource_start(pci, i);
1297 mgr->mem[i].virt = pci_ioremap_bar(pci, i);
1298 if (!mgr->mem[i].virt) {
1299 dev_err(&pci->dev, "unable to remap resource 0x%lx\n",
1301 snd_mixart_free(mgr);
1306 if (request_threaded_irq(pci->irq, snd_mixart_interrupt,
1307 snd_mixart_threaded_irq, IRQF_SHARED,
1308 KBUILD_MODNAME, mgr)) {
1309 dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq);
1310 snd_mixart_free(mgr);
1313 mgr->irq = pci->irq;
1316 mgr->msg_fifo_readptr = 0;
1317 mgr->msg_fifo_writeptr = 0;
1319 mutex_init(&mgr->lock);
1320 mutex_init(&mgr->msg_lock);
1321 init_waitqueue_head(&mgr->msg_sleep);
1322 atomic_set(&mgr->msg_processed, 0);
1324 /* init setup mutex*/
1325 mutex_init(&mgr->setup_mutex);
1327 /* card assignment */
1328 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */
1329 for (i = 0; i < mgr->num_cards; i++) {
1330 struct snd_card *card;
1337 idx = index[dev] + i;
1338 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i);
1339 err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE,
1343 dev_err(&pci->dev, "cannot allocate the card %d\n", i);
1344 snd_mixart_free(mgr);
1348 strcpy(card->driver, CARD_NAME);
1349 snprintf(card->shortname, sizeof(card->shortname),
1350 "Digigram miXart [PCM #%d]", i);
1351 snprintf(card->longname, sizeof(card->longname),
1352 "Digigram miXart at 0x%lx & 0x%lx, irq %i [PCM #%d]",
1353 mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq, i);
1355 if ((err = snd_mixart_create(mgr, card, i)) < 0) {
1356 snd_card_free(card);
1357 snd_mixart_free(mgr);
1362 /* init proc interface only for chip0 */
1363 snd_mixart_proc_init(mgr->chip[i]);
1366 if ((err = snd_card_register(card)) < 0) {
1367 snd_mixart_free(mgr);
1372 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */
1373 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE;
1375 /* create array of streaminfo */
1376 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
1377 sizeof(struct mixart_flowinfo)) );
1378 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1379 size, &mgr->flowinfo) < 0) {
1380 snd_mixart_free(mgr);
1383 /* init streaminfo_array */
1384 memset(mgr->flowinfo.area, 0, size);
1386 /* create array of bufferinfo */
1387 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
1388 sizeof(struct mixart_bufferinfo)) );
1389 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1390 size, &mgr->bufferinfo) < 0) {
1391 snd_mixart_free(mgr);
1394 /* init bufferinfo_array */
1395 memset(mgr->bufferinfo.area, 0, size);
1397 /* set up firmware */
1398 err = snd_mixart_setup_firmware(mgr);
1400 snd_mixart_free(mgr);
1404 pci_set_drvdata(pci, mgr);
1409 static void snd_mixart_remove(struct pci_dev *pci)
1411 snd_mixart_free(pci_get_drvdata(pci));
1414 static struct pci_driver mixart_driver = {
1415 .name = KBUILD_MODNAME,
1416 .id_table = snd_mixart_ids,
1417 .probe = snd_mixart_probe,
1418 .remove = snd_mixart_remove,
1421 module_pci_driver(mixart_driver);