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ALSA: Kill snd_assert() in sound/isa/*
[deliverable/linux.git] / sound / pci / mixart / mixart.c
CommitLineData
1da177e4
LT		 1/*
2 * Driver for Digigram miXart soundcards
3 *
4 * main file with alsa callbacks
5 *
6 * Copyright (c) 2003 by Digigram <alsa@digigram.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23
1da177e4
LT		 24#include <linux/init.h>
25#include <linux/interrupt.h>
26#include <linux/pci.h>
9d2f928d 27#include <linux/dma-mapping.h>
1da177e4 28#include <linux/moduleparam.h>
62932df8 29#include <linux/mutex.h>
910638ae 30
1da177e4
LT		 31#include <sound/core.h>
32#include <sound/initval.h>
33#include <sound/info.h>
34#include <sound/control.h>
35#include <sound/pcm.h>
36#include <sound/pcm_params.h>
37#include "mixart.h"
38#include "mixart_hwdep.h"
39#include "mixart_core.h"
40#include "mixart_mixer.h"
41
42#define CARD_NAME "miXart"
43
44MODULE_AUTHOR("Digigram <alsa@digigram.com>");
45MODULE_DESCRIPTION("Digigram " CARD_NAME);
46MODULE_LICENSE("GPL");
47MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}");
48
49static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
50static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
51static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
52
53module_param_array(index, int, NULL, 0444);
54MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
55module_param_array(id, charp, NULL, 0444);
56MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
57module_param_array(enable, bool, NULL, 0444);
58MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
59
60/*
61 */
62
f40b6890 63static struct pci_device_id snd_mixart_ids[] = {
1da177e4
LT		 64 { 0x1057, 0x0003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* MC8240 */
65 { 0, }
66};
67
68MODULE_DEVICE_TABLE(pci, snd_mixart_ids);
69
70
67b48b88
TI		 71static int mixart_set_pipe_state(struct mixart_mgr *mgr,
72 struct mixart_pipe *pipe, int start)
1da177e4 73{
67b48b88
TI		 74 struct mixart_group_state_req group_state;
75 struct mixart_group_state_resp group_state_resp;
76 struct mixart_msg request;
1da177e4
LT		 77 int err;
78 u32 system_msg_uid;
79
80 switch(pipe->status) {
81 case PIPE_RUNNING:
82 case PIPE_CLOCK_SET:
83 if(start) return 0; /* already started */
84 break;
85 case PIPE_STOPPED:
86 if(!start) return 0; /* already stopped */
87 break;
88 default:
89 snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n");
90 return -EINVAL; /* function called with wrong pipe status */
91 }
92
93 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */
94
95 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */
96
97 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
67b48b88 98 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 99 request.data = &system_msg_uid;
100 request.size = sizeof(system_msg_uid);
101
102 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
103 if(err) {
104 snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");
105 return err;
106 }
107
108 /* start or stop the pipe (1 pipe) */
109
110 memset(&group_state, 0, sizeof(group_state));
111 group_state.pipe_count = 1;
112 group_state.pipe_uid[0] = pipe->group_uid;
113
114 if(start)
115 request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;
116 else
117 request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;
118
67b48b88 119 request.uid = pipe->group_uid; /*(struct mixart_uid){0,0};*/
1da177e4
LT		 120 request.data = &group_state;
121 request.size = sizeof(group_state);
122
123 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
124 if (err < 0 || group_state_resp.txx_status != 0) {
125 snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
126 return -EINVAL;
127 }
128
129 if(start) {
130 u32 stat;
131
132 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */
133
134 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
135 if (err < 0 || group_state_resp.txx_status != 0) {
136 snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
137 return -EINVAL;
138 }
139
140 /* in case of start send a synchro top */
141
142 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
67b48b88 143 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 144 request.data = NULL;
145 request.size = 0;
146
147 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
148 if (err < 0 || stat != 0) {
149 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat);
150 return -EINVAL;
151 }
152
153 pipe->status = PIPE_RUNNING;
154 }
155 else /* !start */
156 pipe->status = PIPE_STOPPED;
157
158 return 0;
159}
160
161
67b48b88
TI		 162static int mixart_set_clock(struct mixart_mgr *mgr,
163 struct mixart_pipe *pipe, unsigned int rate)
1da177e4 164{
67b48b88
TI		 165 struct mixart_msg request;
166 struct mixart_clock_properties clock_properties;
167 struct mixart_clock_properties_resp clock_prop_resp;
1da177e4
LT		 168 int err;
169
170 switch(pipe->status) {
171 case PIPE_CLOCK_SET:
172 break;
173 case PIPE_RUNNING:
174 if(rate != 0)
175 break;
176 default:
177 if(rate == 0)
178 return 0; /* nothing to do */
179 else {
180 snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate);
181 return -EINVAL;
182 }
183 }
184
185 memset(&clock_properties, 0, sizeof(clock_properties));
186 clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
187 clock_properties.clock_mode = CM_STANDALONE;
188 clock_properties.frequency = rate;
189 clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
190 clock_properties.uid_caller[0] = pipe->group_uid;
191
192 snd_printdd("mixart_set_clock to %d kHz\n", rate);
193
194 request.message_id = MSG_CLOCK_SET_PROPERTIES;
195 request.uid = mgr->uid_console_manager;
196 request.data = &clock_properties;
197 request.size = sizeof(clock_properties);
198
199 err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
200 if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
201 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);
202 return -EINVAL;
203 }
204
205 if(rate) pipe->status = PIPE_CLOCK_SET;
206 else pipe->status = PIPE_RUNNING;
207
208 return 0;
209}
210
211
212/*
213 * Allocate or reference output pipe for analog IOs (pcmp0/1)
214 */
67b48b88
TI		 215struct mixart_pipe *
216snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture,
217 int monitoring)
1da177e4
LT		 218{
219 int stream_count;
67b48b88
TI		 220 struct mixart_pipe *pipe;
221 struct mixart_msg request;
1da177e4
LT		 222
223 if(capture) {
224 if (pcm_number == MIXART_PCM_ANALOG) {
225 pipe = &(chip->pipe_in_ana); /* analog inputs */
226 } else {
227 pipe = &(chip->pipe_in_dig); /* digital inputs */
228 }
229 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
230 stream_count = MIXART_CAPTURE_STREAMS;
231 } else {
232 if (pcm_number == MIXART_PCM_ANALOG) {
233 pipe = &(chip->pipe_out_ana); /* analog outputs */
234 } else {
235 pipe = &(chip->pipe_out_dig); /* digital outputs */
236 }
237 request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
238 stream_count = MIXART_PLAYBACK_STREAMS;
239 }
240
241 /* a new stream is opened and there are already all streams in use */
242 if( (monitoring == 0) && (pipe->references >= stream_count) ) {
243 return NULL;
244 }
245
246 /* pipe is not yet defined */
247 if( pipe->status == PIPE_UNDEFINED ) {
248 int err, i;
249 struct {
67b48b88
TI		 250 struct mixart_streaming_group_req sgroup_req;
251 struct mixart_streaming_group sgroup_resp;
1da177e4
LT		 252 } *buf;
253
254 snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number);
255
256 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
257 if (!buf)
258 return NULL;
259
67b48b88 260 request.uid = (struct mixart_uid){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */
1da177e4
LT		 261 request.data = &buf->sgroup_req;
262 request.size = sizeof(buf->sgroup_req);
263
264 memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));
265
266 buf->sgroup_req.stream_count = stream_count;
267 buf->sgroup_req.channel_count = 2;
268 buf->sgroup_req.latency = 256;
269 buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */
270
271 for (i=0; i<stream_count; i++) {
272 int j;
273 struct mixart_flowinfo *flowinfo;
274 struct mixart_bufferinfo *bufferinfo;
275
276 /* we don't yet know the format, so config 16 bit pcm audio for instance */
277 buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;
278 buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;
279 buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */
280
281 /* find the right bufferinfo_array */
282 j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;
283 if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */
284
285 buf->sgroup_req.flow_entry[i] = j;
286
287 flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;
67b48b88 288 flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo));
1da177e4
LT		 289 flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */
290
291 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
292 bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */
293 bufferinfo[j].available_length = 0; /* buffer is not yet allocated */
294
295 /* construct the identifier of the stream buffer received in the interrupts ! */
296 bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;
297 if(capture) {
298 bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;
299 }
300 }
301
302 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp);
303 if((err < 0) || (buf->sgroup_resp.status != 0)) {
304 snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status);
305 kfree(buf);
306 return NULL;
307 }
308
309 pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */
310 pipe->stream_count = buf->sgroup_resp.stream_count;
311 /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */
312
313 pipe->status = PIPE_STOPPED;
314 kfree(buf);
315 }
316
317 if(monitoring) pipe->monitoring = 1;
318 else pipe->references++;
319
320 return pipe;
321}
322
323
67b48b88
TI		 324int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr,
325 struct mixart_pipe *pipe, int monitoring)
1da177e4
LT		 326{
327 int err = 0;
328
329 if(pipe->status == PIPE_UNDEFINED)
330 return 0;
331
332 if(monitoring)
333 pipe->monitoring = 0;
334 else
335 pipe->references--;
336
337 if((pipe->references <= 0) && (pipe->monitoring == 0)) {
338
67b48b88
TI		 339 struct mixart_msg request;
340 struct mixart_delete_group_resp delete_resp;
1da177e4
LT		 341
342 /* release the clock */
343 err = mixart_set_clock( mgr, pipe, 0);
344 if( err < 0 ) {
345 snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n");
346 }
347
348 /* stop the pipe */
349 err = mixart_set_pipe_state(mgr, pipe, 0);
350 if( err < 0 ) {
351 snd_printk(KERN_ERR "error stopping pipe!\n");
352 }
353
354 request.message_id = MSG_STREAM_DELETE_GROUP;
67b48b88 355 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 356 request.data = &pipe->group_uid; /* the streaming group ! */
357 request.size = sizeof(pipe->group_uid);
358
359 /* delete the pipe */
360 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp);
361 if ((err < 0) || (delete_resp.status != 0)) {
362 snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status);
363 }
364
67b48b88 365 pipe->group_uid = (struct mixart_uid){0,0};
1da177e4
LT		 366 pipe->stream_count = 0;
367 pipe->status = PIPE_UNDEFINED;
368 }
369
370 return err;
371}
372
67b48b88 373static int mixart_set_stream_state(struct mixart_stream *stream, int start)
1da177e4 374{
67b48b88
TI		 375 struct snd_mixart *chip;
376 struct mixart_stream_state_req stream_state_req;
377 struct mixart_msg request;
1da177e4
LT		 378
379 if(!stream->substream)
380 return -EINVAL;
381
382 memset(&stream_state_req, 0, sizeof(stream_state_req));
383 stream_state_req.stream_count = 1;
384 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid;
385 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number;
386
387 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
388 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET;
389 else
390 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET;
391
67b48b88 392 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 393 request.data = &stream_state_req;
394 request.size = sizeof(stream_state_req);
395
396 stream->abs_period_elapsed = 0; /* reset stream pos */
397 stream->buf_periods = 0;
398 stream->buf_period_frag = 0;
399
400 chip = snd_pcm_substream_chip(stream->substream);
401
402 return snd_mixart_send_msg_nonblock(chip->mgr, &request);
403}
404
405/*
406 * Trigger callback
407 */
408
67b48b88 409static int snd_mixart_trigger(struct snd_pcm_substream *subs, int cmd)
1da177e4 410{
67b48b88 411 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4
LT		 412
413 switch (cmd) {
414 case SNDRV_PCM_TRIGGER_START:
415
416 snd_printdd("SNDRV_PCM_TRIGGER_START\n");
417
418 /* START_STREAM */
419 if( mixart_set_stream_state(stream, 1) )
420 return -EINVAL;
421
422 stream->status = MIXART_STREAM_STATUS_RUNNING;
423
424 break;
425 case SNDRV_PCM_TRIGGER_STOP:
426
427 /* STOP_STREAM */
428 if( mixart_set_stream_state(stream, 0) )
429 return -EINVAL;
430
431 stream->status = MIXART_STREAM_STATUS_OPEN;
432
433 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
434
435 break;
436
437 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
438 /* TODO */
439 stream->status = MIXART_STREAM_STATUS_PAUSE;
440 snd_printdd("SNDRV_PCM_PAUSE_PUSH\n");
441 break;
442 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
443 /* TODO */
444 stream->status = MIXART_STREAM_STATUS_RUNNING;
445 snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n");
446 break;
447 default:
448 return -EINVAL;
449 }
450 return 0;
451}
452
67b48b88 453static int mixart_sync_nonblock_events(struct mixart_mgr *mgr)
1da177e4 454{
ef21ca24 455 unsigned long timeout = jiffies + HZ;
1da177e4 456 while (atomic_read(&mgr->msg_processed) > 0) {
ef21ca24 457 if (time_after(jiffies, timeout)) {
1da177e4
LT		 458 snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n");
459 return -EBUSY;
460 }
8433a509 461 schedule_timeout_uninterruptible(1);
1da177e4
LT		 462 }
463 return 0;
464}
465
466/*
467 * prepare callback for all pcms
468 */
67b48b88 469static int snd_mixart_prepare(struct snd_pcm_substream *subs)
1da177e4 470{
67b48b88
TI		 471 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
472 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4 473
7bb2acb7 474 /* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */
1da177e4
LT		 475
476 snd_printdd("snd_mixart_prepare\n");
477
478 mixart_sync_nonblock_events(chip->mgr);
479
480 /* only the first stream can choose the sample rate */
481 /* the further opened streams will be limited to its frequency (see open) */
482 if(chip->mgr->ref_count_rate == 1)
483 chip->mgr->sample_rate = subs->runtime->rate;
484
485 /* set the clock only once (first stream) on the same pipe */
486 if(stream->pipe->references == 1) {
487 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) )
488 return -EINVAL;
489 }
490
491 return 0;
492}
493
494
67b48b88 495static int mixart_set_format(struct mixart_stream *stream, snd_pcm_format_t format)
1da177e4
LT		 496{
497 int err;
67b48b88
TI		 498 struct snd_mixart *chip;
499 struct mixart_msg request;
500 struct mixart_stream_param_desc stream_param;
501 struct mixart_return_uid resp;
1da177e4
LT		 502
503 chip = snd_pcm_substream_chip(stream->substream);
504
505 memset(&stream_param, 0, sizeof(stream_param));
506
507 stream_param.coding_type = CT_LINEAR;
508 stream_param.number_of_channel = stream->channels;
509
510 stream_param.sampling_freq = chip->mgr->sample_rate;
511 if(stream_param.sampling_freq == 0)
512 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */
513
514 switch(format){
515 case SNDRV_PCM_FORMAT_U8:
516 stream_param.sample_type = ST_INTEGER_8;
517 stream_param.sample_size = 8;
518 break;
519 case SNDRV_PCM_FORMAT_S16_LE:
520 stream_param.sample_type = ST_INTEGER_16LE;
521 stream_param.sample_size = 16;
522 break;
523 case SNDRV_PCM_FORMAT_S16_BE:
524 stream_param.sample_type = ST_INTEGER_16BE;
525 stream_param.sample_size = 16;
526 break;
527 case SNDRV_PCM_FORMAT_S24_3LE:
528 stream_param.sample_type = ST_INTEGER_24LE;
529 stream_param.sample_size = 24;
530 break;
531 case SNDRV_PCM_FORMAT_S24_3BE:
532 stream_param.sample_type = ST_INTEGER_24BE;
533 stream_param.sample_size = 24;
534 break;
535 case SNDRV_PCM_FORMAT_FLOAT_LE:
536 stream_param.sample_type = ST_FLOATING_POINT_32LE;
537 stream_param.sample_size = 32;
538 break;
539 case SNDRV_PCM_FORMAT_FLOAT_BE:
540 stream_param.sample_type = ST_FLOATING_POINT_32BE;
541 stream_param.sample_size = 32;
542 break;
543 default:
544 snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n");
545 return -EINVAL;
546 }
547
548 snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n",
549 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels);
550
551 /* TODO: what else to configure ? */
552 /* stream_param.samples_per_frame = 2; */
553 /* stream_param.bytes_per_frame = 4; */
554 /* stream_param.bytes_per_sample = 2; */
555
556 stream_param.pipe_count = 1; /* set to 1 */
557 stream_param.stream_count = 1; /* set to 1 */
558 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid;
559 stream_param.stream_desc[0].stream_idx = stream->substream->number;
560
561 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM;
67b48b88 562 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 563 request.data = &stream_param;
564 request.size = sizeof(stream_param);
565
566 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
567 if((err < 0) || resp.error_code) {
568 snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code);
569 return -EINVAL;
570 }
571 return 0;
572}
573
574
575/*
576 * HW_PARAMS callback for all pcms
577 */
67b48b88
TI		 578static int snd_mixart_hw_params(struct snd_pcm_substream *subs,
579 struct snd_pcm_hw_params *hw)
1da177e4 580{
67b48b88
TI		 581 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
582 struct mixart_mgr *mgr = chip->mgr;
583 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4
LT		 584 snd_pcm_format_t format;
585 int err;
586 int channels;
587
588 /* set up channels */
589 channels = params_channels(hw);
590
591 /* set up format for the stream */
592 format = params_format(hw);
593
62932df8 594 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 595
596 /* update the stream levels */
597 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) {
598 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG;
599 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK )
600 mixart_update_playback_stream_level(chip, is_aes, subs->number);
601 else
602 mixart_update_capture_stream_level( chip, is_aes);
603 }
604
605 stream->channels = channels;
606
607 /* set the format to the board */
608 err = mixart_set_format(stream, format);
609 if(err < 0) {
610 return err;
611 }
612
613 /* allocate buffer */
614 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
615
616 if (err > 0) {
617 struct mixart_bufferinfo *bufferinfo;
618 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;
619 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {
620 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */
621 }
622
623 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
624 bufferinfo[i].buffer_address = subs->runtime->dma_addr;
625 bufferinfo[i].available_length = subs->runtime->dma_bytes;
626 /* bufferinfo[i].buffer_id is already defined */
627
628 snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i,
629 bufferinfo[i].buffer_address,
630 bufferinfo[i].available_length,
631 subs->number);
632 }
62932df8 633 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 634
635 return err;
636}
637
67b48b88 638static int snd_mixart_hw_free(struct snd_pcm_substream *subs)
1da177e4 639{
67b48b88 640 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
1da177e4
LT		 641 snd_pcm_lib_free_pages(subs);
642 mixart_sync_nonblock_events(chip->mgr);
643 return 0;
644}
645
646
647
648/*
649 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
650 */
67b48b88 651static struct snd_pcm_hardware snd_mixart_analog_caps =
1da177e4
LT		 652{
653 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
b83f346b 654 SNDRV_PCM_INFO_MMAP_VALID |
1da177e4
LT		 655 SNDRV_PCM_INFO_PAUSE),
656 .formats = ( SNDRV_PCM_FMTBIT_U8 |
657 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
658 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
659 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
660 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
661 .rate_min = 8000,
662 .rate_max = 48000,
663 .channels_min = 1,
664 .channels_max = 2,
665 .buffer_bytes_max = (32*1024),
666 .period_bytes_min = 256, /* 256 frames U8 mono*/
667 .period_bytes_max = (16*1024),
668 .periods_min = 2,
669 .periods_max = (32*1024/256),
670};
671
67b48b88 672static struct snd_pcm_hardware snd_mixart_digital_caps =
1da177e4
LT		 673{
674 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
b83f346b 675 SNDRV_PCM_INFO_MMAP_VALID |
1da177e4
LT		 676 SNDRV_PCM_INFO_PAUSE),
677 .formats = ( SNDRV_PCM_FMTBIT_U8 |
678 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
679 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
680 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
681 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
682 .rate_min = 32000,
683 .rate_max = 48000,
684 .channels_min = 1,
685 .channels_max = 2,
686 .buffer_bytes_max = (32*1024),
687 .period_bytes_min = 256, /* 256 frames U8 mono*/
688 .period_bytes_max = (16*1024),
689 .periods_min = 2,
690 .periods_max = (32*1024/256),
691};
692
693
67b48b88 694static int snd_mixart_playback_open(struct snd_pcm_substream *subs)
1da177e4 695{
67b48b88
TI		 696 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
697 struct mixart_mgr *mgr = chip->mgr;
698 struct snd_pcm_runtime *runtime = subs->runtime;
699 struct snd_pcm *pcm = subs->pcm;
700 struct mixart_stream *stream;
701 struct mixart_pipe *pipe;
1da177e4
LT		 702 int err = 0;
703 int pcm_number;
704
62932df8 705 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 706
707 if ( pcm == chip->pcm ) {
708 pcm_number = MIXART_PCM_ANALOG;
709 runtime->hw = snd_mixart_analog_caps;
710 } else {
711 snd_assert ( pcm == chip->pcm_dig );
712 pcm_number = MIXART_PCM_DIGITAL;
713 runtime->hw = snd_mixart_digital_caps;
714 }
715 snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
716
717 /* get stream info */
718 stream = &(chip->playback_stream[pcm_number][subs->number]);
719
720 if (stream->status != MIXART_STREAM_STATUS_FREE){
721 /* streams in use */
722 snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
723 err = -EBUSY;
724 goto _exit_open;
725 }
726
727 /* get pipe pointer (out pipe) */
728 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0);
729
730 if (pipe == NULL) {
731 err = -EINVAL;
732 goto _exit_open;
733 }
734
735 /* start the pipe if necessary */
736 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
737 if( err < 0 ) {
738 snd_printk(KERN_ERR "error starting pipe!\n");
739 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
740 err = -EINVAL;
741 goto _exit_open;
742 }
743
744 stream->pipe = pipe;
745 stream->pcm_number = pcm_number;
746 stream->status = MIXART_STREAM_STATUS_OPEN;
747 stream->substream = subs;
748 stream->channels = 0; /* not configured yet */
749
750 runtime->private_data = stream;
751
752 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
753 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
754
755 /* if a sample rate is already used, another stream cannot change */
756 if(mgr->ref_count_rate++) {
757 if(mgr->sample_rate) {
758 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
759 }
760 }
761
762 _exit_open:
62932df8 763 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 764
765 return err;
766}
767
768
67b48b88 769static int snd_mixart_capture_open(struct snd_pcm_substream *subs)
1da177e4 770{
67b48b88
TI		 771 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
772 struct mixart_mgr *mgr = chip->mgr;
773 struct snd_pcm_runtime *runtime = subs->runtime;
774 struct snd_pcm *pcm = subs->pcm;
775 struct mixart_stream *stream;
776 struct mixart_pipe *pipe;
1da177e4
LT		 777 int err = 0;
778 int pcm_number;
779
62932df8 780 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 781
782 if ( pcm == chip->pcm ) {
783 pcm_number = MIXART_PCM_ANALOG;
784 runtime->hw = snd_mixart_analog_caps;
785 } else {
786 snd_assert ( pcm == chip->pcm_dig );
787 pcm_number = MIXART_PCM_DIGITAL;
788 runtime->hw = snd_mixart_digital_caps;
789 }
790
791 runtime->hw.channels_min = 2; /* for instance, no mono */
792
793 snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
794
795 /* get stream info */
796 stream = &(chip->capture_stream[pcm_number]);
797
798 if (stream->status != MIXART_STREAM_STATUS_FREE){
799 /* streams in use */
800 snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
801 err = -EBUSY;
802 goto _exit_open;
803 }
804
805 /* get pipe pointer (in pipe) */
806 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0);
807
808 if (pipe == NULL) {
809 err = -EINVAL;
810 goto _exit_open;
811 }
812
813 /* start the pipe if necessary */
814 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
815 if( err < 0 ) {
816 snd_printk(KERN_ERR "error starting pipe!\n");
817 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
818 err = -EINVAL;
819 goto _exit_open;
820 }
821
822 stream->pipe = pipe;
823 stream->pcm_number = pcm_number;
824 stream->status = MIXART_STREAM_STATUS_OPEN;
825 stream->substream = subs;
826 stream->channels = 0; /* not configured yet */
827
828 runtime->private_data = stream;
829
830 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
831 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
832
833 /* if a sample rate is already used, another stream cannot change */
834 if(mgr->ref_count_rate++) {
835 if(mgr->sample_rate) {
836 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
837 }
838 }
839
840 _exit_open:
62932df8 841 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 842
843 return err;
844}
845
846
847
67b48b88 848static int snd_mixart_close(struct snd_pcm_substream *subs)
1da177e4 849{
67b48b88
TI		 850 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
851 struct mixart_mgr *mgr = chip->mgr;
852 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4 853
62932df8 854 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 855
856 snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number);
857
858 /* sample rate released */
859 if(--mgr->ref_count_rate == 0) {
860 mgr->sample_rate = 0;
861 }
862
863 /* delete pipe */
864 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) {
865
866 snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number);
867 }
868
869 stream->pipe = NULL;
870 stream->status = MIXART_STREAM_STATUS_FREE;
871 stream->substream = NULL;
872
62932df8 873 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 874 return 0;
875}
876
877
67b48b88 878static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs)
1da177e4 879{
67b48b88
TI		 880 struct snd_pcm_runtime *runtime = subs->runtime;
881 struct mixart_stream *stream = runtime->private_data;
1da177e4
LT		 882
883 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);
884}
885
886
887
67b48b88 888static struct snd_pcm_ops snd_mixart_playback_ops = {
1da177e4
LT		 889 .open = snd_mixart_playback_open,
890 .close = snd_mixart_close,
891 .ioctl = snd_pcm_lib_ioctl,
892 .prepare = snd_mixart_prepare,
893 .hw_params = snd_mixart_hw_params,
894 .hw_free = snd_mixart_hw_free,
895 .trigger = snd_mixart_trigger,
896 .pointer = snd_mixart_stream_pointer,
897};
898
67b48b88 899static struct snd_pcm_ops snd_mixart_capture_ops = {
1da177e4
LT		 900 .open = snd_mixart_capture_open,
901 .close = snd_mixart_close,
902 .ioctl = snd_pcm_lib_ioctl,
903 .prepare = snd_mixart_prepare,
904 .hw_params = snd_mixart_hw_params,
905 .hw_free = snd_mixart_hw_free,
906 .trigger = snd_mixart_trigger,
907 .pointer = snd_mixart_stream_pointer,
908};
909
67b48b88 910static void preallocate_buffers(struct snd_mixart *chip, struct snd_pcm *pcm)
1da177e4
LT		 911{
912#if 0
67b48b88 913 struct snd_pcm_substream *subs;
1da177e4
LT		 914 int stream;
915
916 for (stream = 0; stream < 2; stream++) {
917 int idx = 0;
918 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++)
919 /* set up the unique device id with the chip index */
920 subs->dma_device.id = subs->pcm->device << 16 |
921 subs->stream << 8 | (subs->number + 1) |
922 (chip->chip_idx + 1) << 24;
923 }
924#endif
925 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
926 snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024);
927}
928
929/*
930 */
67b48b88 931static int snd_mixart_pcm_analog(struct snd_mixart *chip)
1da177e4
LT		 932{
933 int err;
67b48b88 934 struct snd_pcm *pcm;
1da177e4
LT		 935 char name[32];
936
937 sprintf(name, "miXart analog %d", chip->chip_idx);
938 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG,
939 MIXART_PLAYBACK_STREAMS,
940 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
941 snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx);
942 return err;
943 }
944
945 pcm->private_data = chip;
946
947 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
948 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
949
950 pcm->info_flags = 0;
951 strcpy(pcm->name, name);
952
953 preallocate_buffers(chip, pcm);
954
955 chip->pcm = pcm;
956 return 0;
957}
958
959
960/*
961 */
67b48b88 962static int snd_mixart_pcm_digital(struct snd_mixart *chip)
1da177e4
LT		 963{
964 int err;
67b48b88 965 struct snd_pcm *pcm;
1da177e4
LT		 966 char name[32];
967
968 sprintf(name, "miXart AES/EBU %d", chip->chip_idx);
969 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL,
970 MIXART_PLAYBACK_STREAMS,
971 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
972 snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx);
973 return err;
974 }
975
976 pcm->private_data = chip;
977
978 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
979 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
980
981 pcm->info_flags = 0;
982 strcpy(pcm->name, name);
983
984 preallocate_buffers(chip, pcm);
985
986 chip->pcm_dig = pcm;
987 return 0;
988}
989
67b48b88 990static int snd_mixart_chip_free(struct snd_mixart *chip)
1da177e4
LT		 991{
992 kfree(chip);
993 return 0;
994}
995
67b48b88 996static int snd_mixart_chip_dev_free(struct snd_device *device)
1da177e4 997{
67b48b88 998 struct snd_mixart *chip = device->device_data;
1da177e4
LT		 999 return snd_mixart_chip_free(chip);
1000}
1001
1002
1003/*
1004 */
67b48b88 1005static int __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx)
1da177e4
LT		 1006{
1007 int err;
67b48b88
TI		 1008 struct snd_mixart *chip;
1009 static struct snd_device_ops ops = {
1da177e4
LT		 1010 .dev_free = snd_mixart_chip_dev_free,
1011 };
1012
e560d8d8 1013 mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1da177e4
LT		 1014 if (! chip) {
1015 snd_printk(KERN_ERR "cannot allocate chip\n");
1016 return -ENOMEM;
1017 }
1018
1019 chip->card = card;
1020 chip->chip_idx = idx;
1021 chip->mgr = mgr;
1022
1023 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1024 snd_mixart_chip_free(chip);
1025 return err;
1026 }
1027
1028 snd_card_set_dev(card, &mgr->pci->dev);
1029
1030 return 0;
1031}
1032
67b48b88 1033int snd_mixart_create_pcm(struct snd_mixart* chip)
1da177e4
LT		 1034{
1035 int err;
1036
1037 err = snd_mixart_pcm_analog(chip);
1038 if (err < 0)
1039 return err;
1040
1041 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) {
1042
1043 err = snd_mixart_pcm_digital(chip);
1044 if (err < 0)
1045 return err;
1046 }
1047 return err;
1048}
1049
1050
1051/*
1052 * release all the cards assigned to a manager instance
1053 */
67b48b88 1054static int snd_mixart_free(struct mixart_mgr *mgr)
1da177e4
LT		 1055{
1056 unsigned int i;
1057
1058 for (i = 0; i < mgr->num_cards; i++) {
1059 if (mgr->chip[i])
1060 snd_card_free(mgr->chip[i]->card);
1061 }
1062
1063 /* stop mailbox */
1064 snd_mixart_exit_mailbox(mgr);
1065
1066 /* release irq */
1067 if (mgr->irq >= 0)
437a5a46 1068 free_irq(mgr->irq, mgr);
1da177e4
LT		 1069
1070 /* reset board if some firmware was loaded */
1071 if(mgr->dsp_loaded) {
1072 snd_mixart_reset_board(mgr);
1073 snd_printdd("reset miXart !\n");
1074 }
1075
1076 /* release the i/o ports */
1077 for (i = 0; i < 2; i++) {
1078 if (mgr->mem[i].virt)
1079 iounmap(mgr->mem[i].virt);
1080 }
1081 pci_release_regions(mgr->pci);
1082
1083 /* free flowarray */
1084 if(mgr->flowinfo.area) {
1085 snd_dma_free_pages(&mgr->flowinfo);
1086 mgr->flowinfo.area = NULL;
1087 }
1088 /* free bufferarray */
1089 if(mgr->bufferinfo.area) {
1090 snd_dma_free_pages(&mgr->bufferinfo);
1091 mgr->bufferinfo.area = NULL;
1092 }
1093
1094 pci_disable_device(mgr->pci);
1095 kfree(mgr);
1096 return 0;
1097}
1098
1099/*
1100 * proc interface
1101 */
67b48b88 1102static long long snd_mixart_BA0_llseek(struct snd_info_entry *entry,
1da177e4
LT		 1103 void *private_file_data,
1104 struct file *file,
1105 long long offset,
1106 int orig)
1107{
1108 offset = offset & ~3; /* 4 bytes aligned */
1109
1110 switch(orig) {
7ffffecc 1111 case SEEK_SET:
1da177e4
LT		 1112 file->f_pos = offset;
1113 break;
7ffffecc 1114 case SEEK_CUR:
1da177e4
LT		 1115 file->f_pos += offset;
1116 break;
7ffffecc 1117 case SEEK_END: /* offset is negative */
1da177e4
LT		 1118 file->f_pos = MIXART_BA0_SIZE + offset;
1119 break;
1120 default:
1121 return -EINVAL;
1122 }
1123 if(file->f_pos > MIXART_BA0_SIZE)
1124 file->f_pos = MIXART_BA0_SIZE;
1125 return file->f_pos;
1126}
1127
67b48b88 1128static long long snd_mixart_BA1_llseek(struct snd_info_entry *entry,
1da177e4
LT		 1129 void *private_file_data,
1130 struct file *file,
1131 long long offset,
1132 int orig)
1133{
1134 offset = offset & ~3; /* 4 bytes aligned */
1135
1136 switch(orig) {
7ffffecc 1137 case SEEK_SET:
1da177e4
LT		 1138 file->f_pos = offset;
1139 break;
7ffffecc 1140 case SEEK_CUR:
1da177e4
LT		 1141 file->f_pos += offset;
1142 break;
7ffffecc 1143 case SEEK_END: /* offset is negative */
1da177e4
LT		 1144 file->f_pos = MIXART_BA1_SIZE + offset;
1145 break;
1146 default:
1147 return -EINVAL;
1148 }
1149 if(file->f_pos > MIXART_BA1_SIZE)
1150 file->f_pos = MIXART_BA1_SIZE;
1151 return file->f_pos;
1152}
1153
1154/*
1155 mixart_BA0 proc interface for BAR 0 - read callback
1156 */
67b48b88 1157static long snd_mixart_BA0_read(struct snd_info_entry *entry, void *file_private_data,
1da177e4
LT		 1158 struct file *file, char __user *buf,
1159 unsigned long count, unsigned long pos)
1160{
67b48b88 1161 struct mixart_mgr *mgr = entry->private_data;
1da177e4
LT		 1162
1163 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1164 if(count <= 0)
1165 return 0;
1166 if(pos + count > MIXART_BA0_SIZE)
1167 count = (long)(MIXART_BA0_SIZE - pos);
1168 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count))
1169 return -EFAULT;
1170 return count;
1171}
1172
1173/*
1174 mixart_BA1 proc interface for BAR 1 - read callback
1175 */
67b48b88 1176static long snd_mixart_BA1_read(struct snd_info_entry *entry, void *file_private_data,
1da177e4
LT		 1177 struct file *file, char __user *buf,
1178 unsigned long count, unsigned long pos)
1179{
67b48b88 1180 struct mixart_mgr *mgr = entry->private_data;
1da177e4
LT		 1181
1182 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1183 if(count <= 0)
1184 return 0;
1185 if(pos + count > MIXART_BA1_SIZE)
1186 count = (long)(MIXART_BA1_SIZE - pos);
1187 if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count))
1188 return -EFAULT;
1189 return count;
1190}
1191
1192static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
1193 .read = snd_mixart_BA0_read,
1194 .llseek = snd_mixart_BA0_llseek
1195};
1196
1197static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
1198 .read = snd_mixart_BA1_read,
1199 .llseek = snd_mixart_BA1_llseek
1200};
1201
1202
67b48b88
TI		 1203static void snd_mixart_proc_read(struct snd_info_entry *entry,
1204 struct snd_info_buffer *buffer)
1da177e4 1205{
67b48b88 1206 struct snd_mixart *chip = entry->private_data;
1da177e4
LT		 1207 u32 ref;
1208
1209 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx);
1210
1211 /* stats available when embedded OS is running */
1212 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) {
1213 snd_iprintf(buffer, "- hardware -\n");
1214 switch (chip->mgr->board_type ) {
1215 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break;
1216 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break;
1217 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break;
1218 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break;
1219 }
1220
1221 snd_iprintf(buffer, "- system load -\n");
1222
1223 /* get perf reference */
1224
1225 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET));
1226
1227 if (ref) {
1228 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref;
1229 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref;
1230 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref;
1231
1232 snd_iprintf(buffer, "\tstreaming : %d\n", streaming);
1233 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox);
1234 snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr);
1235 }
1236 } /* endif elf loaded */
1237}
1238
67b48b88 1239static void __devinit snd_mixart_proc_init(struct snd_mixart *chip)
1da177e4 1240{
67b48b88 1241 struct snd_info_entry *entry;
1da177e4
LT		 1242
1243 /* text interface to read perf and temp meters */
1244 if (! snd_card_proc_new(chip->card, "board_info", &entry)) {
1245 entry->private_data = chip;
1da177e4
LT		 1246 entry->c.text.read = snd_mixart_proc_read;
1247 }
1248
1249 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {
1250 entry->content = SNDRV_INFO_CONTENT_DATA;
1251 entry->private_data = chip->mgr;
1252 entry->c.ops = &snd_mixart_proc_ops_BA0;
1253 entry->size = MIXART_BA0_SIZE;
1254 }
1255 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) {
1256 entry->content = SNDRV_INFO_CONTENT_DATA;
1257 entry->private_data = chip->mgr;
1258 entry->c.ops = &snd_mixart_proc_ops_BA1;
1259 entry->size = MIXART_BA1_SIZE;
1260 }
1261}
1262/* end of proc interface */
1263
1264
1265/*
1266 * probe function - creates the card manager
1267 */
1268static int __devinit snd_mixart_probe(struct pci_dev *pci,
1269 const struct pci_device_id *pci_id)
1270{
1271 static int dev;
67b48b88 1272 struct mixart_mgr *mgr;
1da177e4
LT		 1273 unsigned int i;
1274 int err;
1275 size_t size;
1276
1277 /*
1278 */
1279 if (dev >= SNDRV_CARDS)
1280 return -ENODEV;
1281 if (! enable[dev]) {
1282 dev++;
1283 return -ENOENT;
1284 }
1285
1286 /* enable PCI device */
1287 if ((err = pci_enable_device(pci)) < 0)
1288 return err;
1289 pci_set_master(pci);
1290
1291 /* check if we can restrict PCI DMA transfers to 32 bits */
9d2f928d 1292 if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
1da177e4
LT		 1293 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
1294 pci_disable_device(pci);
1295 return -ENXIO;
1296 }
1297
1298 /*
1299 */
e560d8d8 1300 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1da177e4
LT		 1301 if (! mgr) {
1302 pci_disable_device(pci);
1303 return -ENOMEM;
1304 }
1305
1306 mgr->pci = pci;
1307 mgr->irq = -1;
1308
1309 /* resource assignment */
1310 if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {
1311 kfree(mgr);
1312 pci_disable_device(pci);
1313 return err;
1314 }
1315 for (i = 0; i < 2; i++) {
1316 mgr->mem[i].phys = pci_resource_start(pci, i);
1317 mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys,
1318 pci_resource_len(pci, i));
f9ff161a
TI		 1319 if (!mgr->mem[i].virt) {
1320 printk(KERN_ERR "unable to remap resource 0x%lx\n",
1321 mgr->mem[i].phys);
1322 snd_mixart_free(mgr);
1323 return -EBUSY;
1324 }
1da177e4
LT		 1325 }
1326
437a5a46
TI		 1327 if (request_irq(pci->irq, snd_mixart_interrupt, IRQF_SHARED,
1328 CARD_NAME, mgr)) {
1da177e4
LT		 1329 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1330 snd_mixart_free(mgr);
1331 return -EBUSY;
1332 }
1333 mgr->irq = pci->irq;
1334
1335 sprintf(mgr->shortname, "Digigram miXart");
1336 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq);
1337
1338 /* ISR spinlock */
1339 spin_lock_init(&mgr->lock);
1340
1341 /* init mailbox */
1342 mgr->msg_fifo_readptr = 0;
1343 mgr->msg_fifo_writeptr = 0;
1344
1345 spin_lock_init(&mgr->msg_lock);
62932df8 1346 mutex_init(&mgr->msg_mutex);
1da177e4
LT		 1347 init_waitqueue_head(&mgr->msg_sleep);
1348 atomic_set(&mgr->msg_processed, 0);
1349
1350 /* init setup mutex*/
62932df8 1351 mutex_init(&mgr->setup_mutex);
1da177e4
LT		 1352
1353 /* init message taslket */
67b48b88 1354 tasklet_init(&mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr);
1da177e4
LT		 1355
1356 /* card assignment */
1357 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */
1358 for (i = 0; i < mgr->num_cards; i++) {
67b48b88 1359 struct snd_card *card;
1da177e4
LT		 1360 char tmpid[16];
1361 int idx;
1362
1363 if (index[dev] < 0)
1364 idx = index[dev];
1365 else
1366 idx = index[dev] + i;
1367 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i);
1368 card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
1369
1370 if (! card) {
1371 snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
1372 snd_mixart_free(mgr);
1373 return -ENOMEM;
1374 }
1375
1376 strcpy(card->driver, CARD_NAME);
1377 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
1378 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
1379
1380 if ((err = snd_mixart_create(mgr, card, i)) < 0) {
1381 snd_mixart_free(mgr);
1382 return err;
1383 }
1384
1385 if(i==0) {
1386 /* init proc interface only for chip0 */
1387 snd_mixart_proc_init(mgr->chip[i]);
1388 }
1389
1390 if ((err = snd_card_register(card)) < 0) {
1391 snd_mixart_free(mgr);
1392 return err;
1393 }
1394 }
1395
1396 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */
1397 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE;
1398
1399 /* create array of streaminfo */
67b48b88
TI		 1400 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
1401 sizeof(struct mixart_flowinfo)) );
1da177e4
LT		 1402 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1403 size, &mgr->flowinfo) < 0) {
1404 snd_mixart_free(mgr);
1405 return -ENOMEM;
1406 }
1407 /* init streaminfo_array */
1408 memset(mgr->flowinfo.area, 0, size);
1409
1410 /* create array of bufferinfo */
67b48b88
TI		 1411 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
1412 sizeof(struct mixart_bufferinfo)) );
1da177e4
LT		 1413 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1414 size, &mgr->bufferinfo) < 0) {
1415 snd_mixart_free(mgr);
1416 return -ENOMEM;
1417 }
1418 /* init bufferinfo_array */
1419 memset(mgr->bufferinfo.area, 0, size);
1420
1421 /* set up firmware */
1422 err = snd_mixart_setup_firmware(mgr);
1423 if (err < 0) {
1424 snd_mixart_free(mgr);
1425 return err;
1426 }
1427
1428 pci_set_drvdata(pci, mgr);
1429 dev++;
1430 return 0;
1431}
1432
1433static void __devexit snd_mixart_remove(struct pci_dev *pci)
1434{
1435 snd_mixart_free(pci_get_drvdata(pci));
1436 pci_set_drvdata(pci, NULL);
1437}
1438
1439static struct pci_driver driver = {
1440 .name = "Digigram miXart",
1441 .id_table = snd_mixart_ids,
1442 .probe = snd_mixart_probe,
1443 .remove = __devexit_p(snd_mixart_remove),
1444};
1445
1446static int __init alsa_card_mixart_init(void)
1447{
01d25d46 1448 return pci_register_driver(&driver);
1da177e4
LT		 1449}
1450
1451static void __exit alsa_card_mixart_exit(void)
1452{
1453 pci_unregister_driver(&driver);
1454}
1455
1456module_init(alsa_card_mixart_init)
1457module_exit(alsa_card_mixart_exit)
Linux kernel - Deliverables
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