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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[GitHub/mt8127/android_kernel_alcatel_ttab.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>
5a0e3ad6 30#include <linux/slab.h>
910638ae 31
1da177e4
LT		 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>
38#include "mixart.h"
39#include "mixart_hwdep.h"
40#include "mixart_core.h"
41#include "mixart_mixer.h"
42
43#define CARD_NAME "miXart"
44
45MODULE_AUTHOR("Digigram <alsa@digigram.com>");
46MODULE_DESCRIPTION("Digigram " CARD_NAME);
47MODULE_LICENSE("GPL");
48MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}");
49
50static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
51static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
52static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
53
54module_param_array(index, int, NULL, 0444);
55MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
56module_param_array(id, charp, NULL, 0444);
57MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
58module_param_array(enable, bool, NULL, 0444);
59MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
60
61/*
62 */
63
cebe41d4 64static DEFINE_PCI_DEVICE_TABLE(snd_mixart_ids) = {
28d27aae 65 { PCI_VDEVICE(MOTOROLA, 0x0003), 0, }, /* MC8240 */
1da177e4
LT		 66 { 0, }
67};
68
69MODULE_DEVICE_TABLE(pci, snd_mixart_ids);
70
71
67b48b88
TI		 72static int mixart_set_pipe_state(struct mixart_mgr *mgr,
73 struct mixart_pipe *pipe, int start)
1da177e4 74{
67b48b88
TI		 75 struct mixart_group_state_req group_state;
76 struct mixart_group_state_resp group_state_resp;
77 struct mixart_msg request;
1da177e4
LT		 78 int err;
79 u32 system_msg_uid;
80
81 switch(pipe->status) {
82 case PIPE_RUNNING:
83 case PIPE_CLOCK_SET:
84 if(start) return 0; /* already started */
85 break;
86 case PIPE_STOPPED:
87 if(!start) return 0; /* already stopped */
88 break;
89 default:
90 snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n");
91 return -EINVAL; /* function called with wrong pipe status */
92 }
93
94 system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */
95
96 /* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */
97
98 request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
67b48b88 99 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 100 request.data = &system_msg_uid;
101 request.size = sizeof(system_msg_uid);
102
103 err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
104 if(err) {
105 snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");
106 return err;
107 }
108
109 /* start or stop the pipe (1 pipe) */
110
111 memset(&group_state, 0, sizeof(group_state));
112 group_state.pipe_count = 1;
113 group_state.pipe_uid[0] = pipe->group_uid;
114
115 if(start)
116 request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;
117 else
118 request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;
119
67b48b88 120 request.uid = pipe->group_uid; /*(struct mixart_uid){0,0};*/
1da177e4
LT		 121 request.data = &group_state;
122 request.size = sizeof(group_state);
123
124 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
125 if (err < 0 || group_state_resp.txx_status != 0) {
126 snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
127 return -EINVAL;
128 }
129
130 if(start) {
131 u32 stat;
132
133 group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */
134
135 err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
136 if (err < 0 || group_state_resp.txx_status != 0) {
137 snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
138 return -EINVAL;
139 }
140
141 /* in case of start send a synchro top */
142
143 request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
67b48b88 144 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 145 request.data = NULL;
146 request.size = 0;
147
148 err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
149 if (err < 0 || stat != 0) {
150 snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat);
151 return -EINVAL;
152 }
153
154 pipe->status = PIPE_RUNNING;
155 }
156 else /* !start */
157 pipe->status = PIPE_STOPPED;
158
159 return 0;
160}
161
162
67b48b88
TI		 163static int mixart_set_clock(struct mixart_mgr *mgr,
164 struct mixart_pipe *pipe, unsigned int rate)
1da177e4 165{
67b48b88
TI		 166 struct mixart_msg request;
167 struct mixart_clock_properties clock_properties;
168 struct mixart_clock_properties_resp clock_prop_resp;
1da177e4
LT		 169 int err;
170
171 switch(pipe->status) {
172 case PIPE_CLOCK_SET:
173 break;
174 case PIPE_RUNNING:
175 if(rate != 0)
176 break;
177 default:
178 if(rate == 0)
179 return 0; /* nothing to do */
180 else {
181 snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate);
182 return -EINVAL;
183 }
184 }
185
186 memset(&clock_properties, 0, sizeof(clock_properties));
187 clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
188 clock_properties.clock_mode = CM_STANDALONE;
189 clock_properties.frequency = rate;
190 clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
191 clock_properties.uid_caller[0] = pipe->group_uid;
192
193 snd_printdd("mixart_set_clock to %d kHz\n", rate);
194
195 request.message_id = MSG_CLOCK_SET_PROPERTIES;
196 request.uid = mgr->uid_console_manager;
197 request.data = &clock_properties;
198 request.size = sizeof(clock_properties);
199
200 err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
201 if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
202 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);
203 return -EINVAL;
204 }
205
206 if(rate) pipe->status = PIPE_CLOCK_SET;
207 else pipe->status = PIPE_RUNNING;
208
209 return 0;
210}
211
212
213/*
214 * Allocate or reference output pipe for analog IOs (pcmp0/1)
215 */
67b48b88
TI		 216struct mixart_pipe *
217snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture,
218 int monitoring)
1da177e4
LT		 219{
220 int stream_count;
67b48b88
TI		 221 struct mixart_pipe *pipe;
222 struct mixart_msg request;
1da177e4
LT		 223
224 if(capture) {
225 if (pcm_number == MIXART_PCM_ANALOG) {
226 pipe = &(chip->pipe_in_ana); /* analog inputs */
227 } else {
228 pipe = &(chip->pipe_in_dig); /* digital inputs */
229 }
230 request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
231 stream_count = MIXART_CAPTURE_STREAMS;
232 } else {
233 if (pcm_number == MIXART_PCM_ANALOG) {
234 pipe = &(chip->pipe_out_ana); /* analog outputs */
235 } else {
236 pipe = &(chip->pipe_out_dig); /* digital outputs */
237 }
238 request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
239 stream_count = MIXART_PLAYBACK_STREAMS;
240 }
241
242 /* a new stream is opened and there are already all streams in use */
243 if( (monitoring == 0) && (pipe->references >= stream_count) ) {
244 return NULL;
245 }
246
247 /* pipe is not yet defined */
248 if( pipe->status == PIPE_UNDEFINED ) {
249 int err, i;
250 struct {
67b48b88
TI		 251 struct mixart_streaming_group_req sgroup_req;
252 struct mixart_streaming_group sgroup_resp;
1da177e4
LT		 253 } *buf;
254
255 snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number);
256
257 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
258 if (!buf)
259 return NULL;
260
67b48b88 261 request.uid = (struct mixart_uid){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */
1da177e4
LT		 262 request.data = &buf->sgroup_req;
263 request.size = sizeof(buf->sgroup_req);
264
265 memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));
266
267 buf->sgroup_req.stream_count = stream_count;
268 buf->sgroup_req.channel_count = 2;
269 buf->sgroup_req.latency = 256;
270 buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */
271
272 for (i=0; i<stream_count; i++) {
273 int j;
274 struct mixart_flowinfo *flowinfo;
275 struct mixart_bufferinfo *bufferinfo;
276
277 /* we don't yet know the format, so config 16 bit pcm audio for instance */
278 buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;
279 buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;
280 buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */
281
282 /* find the right bufferinfo_array */
283 j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;
284 if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */
285
286 buf->sgroup_req.flow_entry[i] = j;
287
288 flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;
67b48b88 289 flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo));
1da177e4
LT		 290 flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */
291
292 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
293 bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */
294 bufferinfo[j].available_length = 0; /* buffer is not yet allocated */
295
296 /* construct the identifier of the stream buffer received in the interrupts ! */
297 bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;
298 if(capture) {
299 bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;
300 }
301 }
302
303 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp);
304 if((err < 0) || (buf->sgroup_resp.status != 0)) {
305 snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status);
306 kfree(buf);
307 return NULL;
308 }
309
310 pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */
311 pipe->stream_count = buf->sgroup_resp.stream_count;
312 /* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */
313
314 pipe->status = PIPE_STOPPED;
315 kfree(buf);
316 }
317
318 if(monitoring) pipe->monitoring = 1;
319 else pipe->references++;
320
321 return pipe;
322}
323
324
67b48b88
TI		 325int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr,
326 struct mixart_pipe *pipe, int monitoring)
1da177e4
LT		 327{
328 int err = 0;
329
330 if(pipe->status == PIPE_UNDEFINED)
331 return 0;
332
333 if(monitoring)
334 pipe->monitoring = 0;
335 else
336 pipe->references--;
337
338 if((pipe->references <= 0) && (pipe->monitoring == 0)) {
339
67b48b88
TI		 340 struct mixart_msg request;
341 struct mixart_delete_group_resp delete_resp;
1da177e4
LT		 342
343 /* release the clock */
344 err = mixart_set_clock( mgr, pipe, 0);
345 if( err < 0 ) {
346 snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n");
347 }
348
349 /* stop the pipe */
350 err = mixart_set_pipe_state(mgr, pipe, 0);
351 if( err < 0 ) {
352 snd_printk(KERN_ERR "error stopping pipe!\n");
353 }
354
355 request.message_id = MSG_STREAM_DELETE_GROUP;
67b48b88 356 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 357 request.data = &pipe->group_uid; /* the streaming group ! */
358 request.size = sizeof(pipe->group_uid);
359
360 /* delete the pipe */
361 err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp);
362 if ((err < 0) || (delete_resp.status != 0)) {
363 snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status);
364 }
365
67b48b88 366 pipe->group_uid = (struct mixart_uid){0,0};
1da177e4
LT		 367 pipe->stream_count = 0;
368 pipe->status = PIPE_UNDEFINED;
369 }
370
371 return err;
372}
373
67b48b88 374static int mixart_set_stream_state(struct mixart_stream *stream, int start)
1da177e4 375{
67b48b88
TI		 376 struct snd_mixart *chip;
377 struct mixart_stream_state_req stream_state_req;
378 struct mixart_msg request;
1da177e4
LT		 379
380 if(!stream->substream)
381 return -EINVAL;
382
383 memset(&stream_state_req, 0, sizeof(stream_state_req));
384 stream_state_req.stream_count = 1;
385 stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid;
386 stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number;
387
388 if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
389 request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET;
390 else
391 request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET;
392
67b48b88 393 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 394 request.data = &stream_state_req;
395 request.size = sizeof(stream_state_req);
396
397 stream->abs_period_elapsed = 0; /* reset stream pos */
398 stream->buf_periods = 0;
399 stream->buf_period_frag = 0;
400
401 chip = snd_pcm_substream_chip(stream->substream);
402
403 return snd_mixart_send_msg_nonblock(chip->mgr, &request);
404}
405
406/*
407 * Trigger callback
408 */
409
67b48b88 410static int snd_mixart_trigger(struct snd_pcm_substream *subs, int cmd)
1da177e4 411{
67b48b88 412 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4
LT		 413
414 switch (cmd) {
415 case SNDRV_PCM_TRIGGER_START:
416
417 snd_printdd("SNDRV_PCM_TRIGGER_START\n");
418
419 /* START_STREAM */
420 if( mixart_set_stream_state(stream, 1) )
421 return -EINVAL;
422
423 stream->status = MIXART_STREAM_STATUS_RUNNING;
424
425 break;
426 case SNDRV_PCM_TRIGGER_STOP:
427
428 /* STOP_STREAM */
429 if( mixart_set_stream_state(stream, 0) )
430 return -EINVAL;
431
432 stream->status = MIXART_STREAM_STATUS_OPEN;
433
434 snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
435
436 break;
437
438 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
439 /* TODO */
440 stream->status = MIXART_STREAM_STATUS_PAUSE;
441 snd_printdd("SNDRV_PCM_PAUSE_PUSH\n");
442 break;
443 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
444 /* TODO */
445 stream->status = MIXART_STREAM_STATUS_RUNNING;
446 snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n");
447 break;
448 default:
449 return -EINVAL;
450 }
451 return 0;
452}
453
67b48b88 454static int mixart_sync_nonblock_events(struct mixart_mgr *mgr)
1da177e4 455{
ef21ca24 456 unsigned long timeout = jiffies + HZ;
1da177e4 457 while (atomic_read(&mgr->msg_processed) > 0) {
ef21ca24 458 if (time_after(jiffies, timeout)) {
1da177e4
LT		 459 snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n");
460 return -EBUSY;
461 }
8433a509 462 schedule_timeout_uninterruptible(1);
1da177e4
LT		 463 }
464 return 0;
465}
466
467/*
468 * prepare callback for all pcms
469 */
67b48b88 470static int snd_mixart_prepare(struct snd_pcm_substream *subs)
1da177e4 471{
67b48b88
TI		 472 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
473 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4 474
7bb2acb7 475 /* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */
1da177e4
LT		 476
477 snd_printdd("snd_mixart_prepare\n");
478
479 mixart_sync_nonblock_events(chip->mgr);
480
481 /* only the first stream can choose the sample rate */
482 /* the further opened streams will be limited to its frequency (see open) */
483 if(chip->mgr->ref_count_rate == 1)
484 chip->mgr->sample_rate = subs->runtime->rate;
485
486 /* set the clock only once (first stream) on the same pipe */
487 if(stream->pipe->references == 1) {
488 if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) )
489 return -EINVAL;
490 }
491
492 return 0;
493}
494
495
67b48b88 496static int mixart_set_format(struct mixart_stream *stream, snd_pcm_format_t format)
1da177e4
LT		 497{
498 int err;
67b48b88
TI		 499 struct snd_mixart *chip;
500 struct mixart_msg request;
501 struct mixart_stream_param_desc stream_param;
502 struct mixart_return_uid resp;
1da177e4
LT		 503
504 chip = snd_pcm_substream_chip(stream->substream);
505
506 memset(&stream_param, 0, sizeof(stream_param));
507
508 stream_param.coding_type = CT_LINEAR;
509 stream_param.number_of_channel = stream->channels;
510
511 stream_param.sampling_freq = chip->mgr->sample_rate;
512 if(stream_param.sampling_freq == 0)
513 stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */
514
515 switch(format){
516 case SNDRV_PCM_FORMAT_U8:
517 stream_param.sample_type = ST_INTEGER_8;
518 stream_param.sample_size = 8;
519 break;
520 case SNDRV_PCM_FORMAT_S16_LE:
521 stream_param.sample_type = ST_INTEGER_16LE;
522 stream_param.sample_size = 16;
523 break;
524 case SNDRV_PCM_FORMAT_S16_BE:
525 stream_param.sample_type = ST_INTEGER_16BE;
526 stream_param.sample_size = 16;
527 break;
528 case SNDRV_PCM_FORMAT_S24_3LE:
529 stream_param.sample_type = ST_INTEGER_24LE;
530 stream_param.sample_size = 24;
531 break;
532 case SNDRV_PCM_FORMAT_S24_3BE:
533 stream_param.sample_type = ST_INTEGER_24BE;
534 stream_param.sample_size = 24;
535 break;
536 case SNDRV_PCM_FORMAT_FLOAT_LE:
537 stream_param.sample_type = ST_FLOATING_POINT_32LE;
538 stream_param.sample_size = 32;
539 break;
540 case SNDRV_PCM_FORMAT_FLOAT_BE:
541 stream_param.sample_type = ST_FLOATING_POINT_32BE;
542 stream_param.sample_size = 32;
543 break;
544 default:
545 snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n");
546 return -EINVAL;
547 }
548
549 snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n",
550 stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels);
551
552 /* TODO: what else to configure ? */
553 /* stream_param.samples_per_frame = 2; */
554 /* stream_param.bytes_per_frame = 4; */
555 /* stream_param.bytes_per_sample = 2; */
556
557 stream_param.pipe_count = 1; /* set to 1 */
558 stream_param.stream_count = 1; /* set to 1 */
559 stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid;
560 stream_param.stream_desc[0].stream_idx = stream->substream->number;
561
562 request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM;
67b48b88 563 request.uid = (struct mixart_uid){0,0};
1da177e4
LT		 564 request.data = &stream_param;
565 request.size = sizeof(stream_param);
566
567 err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
568 if((err < 0) || resp.error_code) {
569 snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code);
570 return -EINVAL;
571 }
572 return 0;
573}
574
575
576/*
577 * HW_PARAMS callback for all pcms
578 */
67b48b88
TI		 579static int snd_mixart_hw_params(struct snd_pcm_substream *subs,
580 struct snd_pcm_hw_params *hw)
1da177e4 581{
67b48b88
TI		 582 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
583 struct mixart_mgr *mgr = chip->mgr;
584 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4
LT		 585 snd_pcm_format_t format;
586 int err;
587 int channels;
588
589 /* set up channels */
590 channels = params_channels(hw);
591
592 /* set up format for the stream */
593 format = params_format(hw);
594
62932df8 595 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 596
597 /* update the stream levels */
598 if( stream->pcm_number <= MIXART_PCM_DIGITAL ) {
599 int is_aes = stream->pcm_number > MIXART_PCM_ANALOG;
600 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK )
601 mixart_update_playback_stream_level(chip, is_aes, subs->number);
602 else
603 mixart_update_capture_stream_level( chip, is_aes);
604 }
605
606 stream->channels = channels;
607
608 /* set the format to the board */
609 err = mixart_set_format(stream, format);
610 if(err < 0) {
82f5d571 611 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 612 return err;
613 }
614
615 /* allocate buffer */
616 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
617
618 if (err > 0) {
619 struct mixart_bufferinfo *bufferinfo;
620 int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;
621 if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {
622 i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */
623 }
624
625 bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
626 bufferinfo[i].buffer_address = subs->runtime->dma_addr;
627 bufferinfo[i].available_length = subs->runtime->dma_bytes;
628 /* bufferinfo[i].buffer_id is already defined */
629
630 snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i,
631 bufferinfo[i].buffer_address,
632 bufferinfo[i].available_length,
633 subs->number);
634 }
62932df8 635 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 636
637 return err;
638}
639
67b48b88 640static int snd_mixart_hw_free(struct snd_pcm_substream *subs)
1da177e4 641{
67b48b88 642 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
1da177e4
LT		 643 snd_pcm_lib_free_pages(subs);
644 mixart_sync_nonblock_events(chip->mgr);
645 return 0;
646}
647
648
649
650/*
651 * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
652 */
67b48b88 653static struct snd_pcm_hardware snd_mixart_analog_caps =
1da177e4
LT		 654{
655 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
b83f346b 656 SNDRV_PCM_INFO_MMAP_VALID |
1da177e4
LT		 657 SNDRV_PCM_INFO_PAUSE),
658 .formats = ( SNDRV_PCM_FMTBIT_U8 |
659 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
660 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
661 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
662 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
663 .rate_min = 8000,
664 .rate_max = 48000,
665 .channels_min = 1,
666 .channels_max = 2,
667 .buffer_bytes_max = (32*1024),
668 .period_bytes_min = 256, /* 256 frames U8 mono*/
669 .period_bytes_max = (16*1024),
670 .periods_min = 2,
671 .periods_max = (32*1024/256),
672};
673
67b48b88 674static struct snd_pcm_hardware snd_mixart_digital_caps =
1da177e4
LT		 675{
676 .info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
b83f346b 677 SNDRV_PCM_INFO_MMAP_VALID |
1da177e4
LT		 678 SNDRV_PCM_INFO_PAUSE),
679 .formats = ( SNDRV_PCM_FMTBIT_U8 |
680 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
681 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
682 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
683 .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
684 .rate_min = 32000,
685 .rate_max = 48000,
686 .channels_min = 1,
687 .channels_max = 2,
688 .buffer_bytes_max = (32*1024),
689 .period_bytes_min = 256, /* 256 frames U8 mono*/
690 .period_bytes_max = (16*1024),
691 .periods_min = 2,
692 .periods_max = (32*1024/256),
693};
694
695
67b48b88 696static int snd_mixart_playback_open(struct snd_pcm_substream *subs)
1da177e4 697{
67b48b88
TI		 698 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
699 struct mixart_mgr *mgr = chip->mgr;
700 struct snd_pcm_runtime *runtime = subs->runtime;
701 struct snd_pcm *pcm = subs->pcm;
702 struct mixart_stream *stream;
703 struct mixart_pipe *pipe;
1da177e4
LT		 704 int err = 0;
705 int pcm_number;
706
62932df8 707 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 708
709 if ( pcm == chip->pcm ) {
710 pcm_number = MIXART_PCM_ANALOG;
711 runtime->hw = snd_mixart_analog_caps;
712 } else {
da3cec35 713 snd_BUG_ON(pcm != chip->pcm_dig);
1da177e4
LT		 714 pcm_number = MIXART_PCM_DIGITAL;
715 runtime->hw = snd_mixart_digital_caps;
716 }
717 snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
718
719 /* get stream info */
720 stream = &(chip->playback_stream[pcm_number][subs->number]);
721
722 if (stream->status != MIXART_STREAM_STATUS_FREE){
723 /* streams in use */
724 snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
725 err = -EBUSY;
726 goto _exit_open;
727 }
728
729 /* get pipe pointer (out pipe) */
730 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0);
731
732 if (pipe == NULL) {
733 err = -EINVAL;
734 goto _exit_open;
735 }
736
737 /* start the pipe if necessary */
738 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
739 if( err < 0 ) {
740 snd_printk(KERN_ERR "error starting pipe!\n");
741 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
742 err = -EINVAL;
743 goto _exit_open;
744 }
745
746 stream->pipe = pipe;
747 stream->pcm_number = pcm_number;
748 stream->status = MIXART_STREAM_STATUS_OPEN;
749 stream->substream = subs;
750 stream->channels = 0; /* not configured yet */
751
752 runtime->private_data = stream;
753
754 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
755 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
756
757 /* if a sample rate is already used, another stream cannot change */
758 if(mgr->ref_count_rate++) {
759 if(mgr->sample_rate) {
760 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
761 }
762 }
763
764 _exit_open:
62932df8 765 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 766
767 return err;
768}
769
770
67b48b88 771static int snd_mixart_capture_open(struct snd_pcm_substream *subs)
1da177e4 772{
67b48b88
TI		 773 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
774 struct mixart_mgr *mgr = chip->mgr;
775 struct snd_pcm_runtime *runtime = subs->runtime;
776 struct snd_pcm *pcm = subs->pcm;
777 struct mixart_stream *stream;
778 struct mixart_pipe *pipe;
1da177e4
LT		 779 int err = 0;
780 int pcm_number;
781
62932df8 782 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 783
784 if ( pcm == chip->pcm ) {
785 pcm_number = MIXART_PCM_ANALOG;
786 runtime->hw = snd_mixart_analog_caps;
787 } else {
da3cec35 788 snd_BUG_ON(pcm != chip->pcm_dig);
1da177e4
LT		 789 pcm_number = MIXART_PCM_DIGITAL;
790 runtime->hw = snd_mixart_digital_caps;
791 }
792
793 runtime->hw.channels_min = 2; /* for instance, no mono */
794
795 snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
796
797 /* get stream info */
798 stream = &(chip->capture_stream[pcm_number]);
799
800 if (stream->status != MIXART_STREAM_STATUS_FREE){
801 /* streams in use */
802 snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
803 err = -EBUSY;
804 goto _exit_open;
805 }
806
807 /* get pipe pointer (in pipe) */
808 pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0);
809
810 if (pipe == NULL) {
811 err = -EINVAL;
812 goto _exit_open;
813 }
814
815 /* start the pipe if necessary */
816 err = mixart_set_pipe_state(chip->mgr, pipe, 1);
817 if( err < 0 ) {
818 snd_printk(KERN_ERR "error starting pipe!\n");
819 snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
820 err = -EINVAL;
821 goto _exit_open;
822 }
823
824 stream->pipe = pipe;
825 stream->pcm_number = pcm_number;
826 stream->status = MIXART_STREAM_STATUS_OPEN;
827 stream->substream = subs;
828 stream->channels = 0; /* not configured yet */
829
830 runtime->private_data = stream;
831
832 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
833 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
834
835 /* if a sample rate is already used, another stream cannot change */
836 if(mgr->ref_count_rate++) {
837 if(mgr->sample_rate) {
838 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
839 }
840 }
841
842 _exit_open:
62932df8 843 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 844
845 return err;
846}
847
848
849
67b48b88 850static int snd_mixart_close(struct snd_pcm_substream *subs)
1da177e4 851{
67b48b88
TI		 852 struct snd_mixart *chip = snd_pcm_substream_chip(subs);
853 struct mixart_mgr *mgr = chip->mgr;
854 struct mixart_stream *stream = subs->runtime->private_data;
1da177e4 855
62932df8 856 mutex_lock(&mgr->setup_mutex);
1da177e4
LT		 857
858 snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number);
859
860 /* sample rate released */
861 if(--mgr->ref_count_rate == 0) {
862 mgr->sample_rate = 0;
863 }
864
865 /* delete pipe */
866 if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) {
867
868 snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number);
869 }
870
871 stream->pipe = NULL;
872 stream->status = MIXART_STREAM_STATUS_FREE;
873 stream->substream = NULL;
874
62932df8 875 mutex_unlock(&mgr->setup_mutex);
1da177e4
LT		 876 return 0;
877}
878
879
67b48b88 880static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs)
1da177e4 881{
67b48b88
TI		 882 struct snd_pcm_runtime *runtime = subs->runtime;
883 struct mixart_stream *stream = runtime->private_data;
1da177e4
LT		 884
885 return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);
886}
887
888
889
67b48b88 890static struct snd_pcm_ops snd_mixart_playback_ops = {
1da177e4
LT		 891 .open = snd_mixart_playback_open,
892 .close = snd_mixart_close,
893 .ioctl = snd_pcm_lib_ioctl,
894 .prepare = snd_mixart_prepare,
895 .hw_params = snd_mixart_hw_params,
896 .hw_free = snd_mixart_hw_free,
897 .trigger = snd_mixart_trigger,
898 .pointer = snd_mixart_stream_pointer,
899};
900
67b48b88 901static struct snd_pcm_ops snd_mixart_capture_ops = {
1da177e4
LT		 902 .open = snd_mixart_capture_open,
903 .close = snd_mixart_close,
904 .ioctl = snd_pcm_lib_ioctl,
905 .prepare = snd_mixart_prepare,
906 .hw_params = snd_mixart_hw_params,
907 .hw_free = snd_mixart_hw_free,
908 .trigger = snd_mixart_trigger,
909 .pointer = snd_mixart_stream_pointer,
910};
911
67b48b88 912static void preallocate_buffers(struct snd_mixart *chip, struct snd_pcm *pcm)
1da177e4
LT		 913{
914#if 0
67b48b88 915 struct snd_pcm_substream *subs;
1da177e4
LT		 916 int stream;
917
918 for (stream = 0; stream < 2; stream++) {
919 int idx = 0;
920 for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++)
921 /* set up the unique device id with the chip index */
922 subs->dma_device.id = subs->pcm->device << 16 |
923 subs->stream << 8 | (subs->number + 1) |
924 (chip->chip_idx + 1) << 24;
925 }
926#endif
927 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
928 snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024);
929}
930
931/*
932 */
67b48b88 933static int snd_mixart_pcm_analog(struct snd_mixart *chip)
1da177e4
LT		 934{
935 int err;
67b48b88 936 struct snd_pcm *pcm;
1da177e4
LT		 937 char name[32];
938
939 sprintf(name, "miXart analog %d", chip->chip_idx);
940 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG,
941 MIXART_PLAYBACK_STREAMS,
942 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
943 snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx);
944 return err;
945 }
946
947 pcm->private_data = chip;
948
949 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
950 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
951
952 pcm->info_flags = 0;
953 strcpy(pcm->name, name);
954
955 preallocate_buffers(chip, pcm);
956
957 chip->pcm = pcm;
958 return 0;
959}
960
961
962/*
963 */
67b48b88 964static int snd_mixart_pcm_digital(struct snd_mixart *chip)
1da177e4
LT		 965{
966 int err;
67b48b88 967 struct snd_pcm *pcm;
1da177e4
LT		 968 char name[32];
969
970 sprintf(name, "miXart AES/EBU %d", chip->chip_idx);
971 if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL,
972 MIXART_PLAYBACK_STREAMS,
973 MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
974 snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx);
975 return err;
976 }
977
978 pcm->private_data = chip;
979
980 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
981 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
982
983 pcm->info_flags = 0;
984 strcpy(pcm->name, name);
985
986 preallocate_buffers(chip, pcm);
987
988 chip->pcm_dig = pcm;
989 return 0;
990}
991
67b48b88 992static int snd_mixart_chip_free(struct snd_mixart *chip)
1da177e4
LT		 993{
994 kfree(chip);
995 return 0;
996}
997
67b48b88 998static int snd_mixart_chip_dev_free(struct snd_device *device)
1da177e4 999{
67b48b88 1000 struct snd_mixart *chip = device->device_data;
1da177e4
LT		 1001 return snd_mixart_chip_free(chip);
1002}
1003
1004
1005/*
1006 */
67b48b88 1007static int __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx)
1da177e4
LT		 1008{
1009 int err;
67b48b88
TI		 1010 struct snd_mixart *chip;
1011 static struct snd_device_ops ops = {
1da177e4
LT		 1012 .dev_free = snd_mixart_chip_dev_free,
1013 };
1014
73f6a12e 1015 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1da177e4
LT		 1016 if (! chip) {
1017 snd_printk(KERN_ERR "cannot allocate chip\n");
1018 return -ENOMEM;
1019 }
1020
1021 chip->card = card;
1022 chip->chip_idx = idx;
1023 chip->mgr = mgr;
1024
1025 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1026 snd_mixart_chip_free(chip);
1027 return err;
1028 }
1029
73f6a12e 1030 mgr->chip[idx] = chip;
1da177e4
LT		 1031 snd_card_set_dev(card, &mgr->pci->dev);
1032
1033 return 0;
1034}
1035
67b48b88 1036int snd_mixart_create_pcm(struct snd_mixart* chip)
1da177e4
LT		 1037{
1038 int err;
1039
1040 err = snd_mixart_pcm_analog(chip);
1041 if (err < 0)
1042 return err;
1043
1044 if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) {
1045
1046 err = snd_mixart_pcm_digital(chip);
1047 if (err < 0)
1048 return err;
1049 }
1050 return err;
1051}
1052
1053
1054/*
1055 * release all the cards assigned to a manager instance
1056 */
67b48b88 1057static int snd_mixart_free(struct mixart_mgr *mgr)
1da177e4
LT		 1058{
1059 unsigned int i;
1060
1061 for (i = 0; i < mgr->num_cards; i++) {
1062 if (mgr->chip[i])
1063 snd_card_free(mgr->chip[i]->card);
1064 }
1065
1066 /* stop mailbox */
1067 snd_mixart_exit_mailbox(mgr);
1068
1069 /* release irq */
1070 if (mgr->irq >= 0)
437a5a46 1071 free_irq(mgr->irq, mgr);
1da177e4
LT		 1072
1073 /* reset board if some firmware was loaded */
1074 if(mgr->dsp_loaded) {
1075 snd_mixart_reset_board(mgr);
1076 snd_printdd("reset miXart !\n");
1077 }
1078
1079 /* release the i/o ports */
1080 for (i = 0; i < 2; i++) {
1081 if (mgr->mem[i].virt)
1082 iounmap(mgr->mem[i].virt);
1083 }
1084 pci_release_regions(mgr->pci);
1085
1086 /* free flowarray */
1087 if(mgr->flowinfo.area) {
1088 snd_dma_free_pages(&mgr->flowinfo);
1089 mgr->flowinfo.area = NULL;
1090 }
1091 /* free bufferarray */
1092 if(mgr->bufferinfo.area) {
1093 snd_dma_free_pages(&mgr->bufferinfo);
1094 mgr->bufferinfo.area = NULL;
1095 }
1096
1097 pci_disable_device(mgr->pci);
1098 kfree(mgr);
1099 return 0;
1100}
1101
1102/*
1103 * proc interface
1104 */
67b48b88 1105static long long snd_mixart_BA0_llseek(struct snd_info_entry *entry,
1da177e4
LT		 1106 void *private_file_data,
1107 struct file *file,
1108 long long offset,
1109 int orig)
1110{
1111 offset = offset & ~3; /* 4 bytes aligned */
1112
1113 switch(orig) {
7ffffecc 1114 case SEEK_SET:
1da177e4
LT		 1115 file->f_pos = offset;
1116 break;
7ffffecc 1117 case SEEK_CUR:
1da177e4
LT		 1118 file->f_pos += offset;
1119 break;
7ffffecc 1120 case SEEK_END: /* offset is negative */
1da177e4
LT		 1121 file->f_pos = MIXART_BA0_SIZE + offset;
1122 break;
1123 default:
1124 return -EINVAL;
1125 }
1126 if(file->f_pos > MIXART_BA0_SIZE)
1127 file->f_pos = MIXART_BA0_SIZE;
1128 return file->f_pos;
1129}
1130
67b48b88 1131static long long snd_mixart_BA1_llseek(struct snd_info_entry *entry,
1da177e4
LT		 1132 void *private_file_data,
1133 struct file *file,
1134 long long offset,
1135 int orig)
1136{
1137 offset = offset & ~3; /* 4 bytes aligned */
1138
1139 switch(orig) {
7ffffecc 1140 case SEEK_SET:
1da177e4
LT		 1141 file->f_pos = offset;
1142 break;
7ffffecc 1143 case SEEK_CUR:
1da177e4
LT		 1144 file->f_pos += offset;
1145 break;
7ffffecc 1146 case SEEK_END: /* offset is negative */
1da177e4
LT		 1147 file->f_pos = MIXART_BA1_SIZE + offset;
1148 break;
1149 default:
1150 return -EINVAL;
1151 }
1152 if(file->f_pos > MIXART_BA1_SIZE)
1153 file->f_pos = MIXART_BA1_SIZE;
1154 return file->f_pos;
1155}
1156
1157/*
1158 mixart_BA0 proc interface for BAR 0 - read callback
1159 */
67b48b88 1160static long snd_mixart_BA0_read(struct snd_info_entry *entry, void *file_private_data,
1da177e4
LT		 1161 struct file *file, char __user *buf,
1162 unsigned long count, unsigned long pos)
1163{
67b48b88 1164 struct mixart_mgr *mgr = entry->private_data;
1da177e4
LT		 1165
1166 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1167 if(count <= 0)
1168 return 0;
1169 if(pos + count > MIXART_BA0_SIZE)
1170 count = (long)(MIXART_BA0_SIZE - pos);
1171 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count))
1172 return -EFAULT;
1173 return count;
1174}
1175
1176/*
1177 mixart_BA1 proc interface for BAR 1 - read callback
1178 */
67b48b88 1179static long snd_mixart_BA1_read(struct snd_info_entry *entry, void *file_private_data,
1da177e4
LT		 1180 struct file *file, char __user *buf,
1181 unsigned long count, unsigned long pos)
1182{
67b48b88 1183 struct mixart_mgr *mgr = entry->private_data;
1da177e4
LT		 1184
1185 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1186 if(count <= 0)
1187 return 0;
1188 if(pos + count > MIXART_BA1_SIZE)
1189 count = (long)(MIXART_BA1_SIZE - pos);
1190 if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count))
1191 return -EFAULT;
1192 return count;
1193}
1194
1195static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
1196 .read = snd_mixart_BA0_read,
1197 .llseek = snd_mixart_BA0_llseek
1198};
1199
1200static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
1201 .read = snd_mixart_BA1_read,
1202 .llseek = snd_mixart_BA1_llseek
1203};
1204
1205
67b48b88
TI		 1206static void snd_mixart_proc_read(struct snd_info_entry *entry,
1207 struct snd_info_buffer *buffer)
1da177e4 1208{
67b48b88 1209 struct snd_mixart *chip = entry->private_data;
1da177e4
LT		 1210 u32 ref;
1211
1212 snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx);
1213
1214 /* stats available when embedded OS is running */
1215 if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) {
1216 snd_iprintf(buffer, "- hardware -\n");
1217 switch (chip->mgr->board_type ) {
1218 case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break;
1219 case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break;
1220 case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break;
1221 default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break;
1222 }
1223
1224 snd_iprintf(buffer, "- system load -\n");
1225
1226 /* get perf reference */
1227
1228 ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET));
1229
1230 if (ref) {
1231 u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref;
1232 u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref;
1233 u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref;
1234
1235 snd_iprintf(buffer, "\tstreaming : %d\n", streaming);
1236 snd_iprintf(buffer, "\tmailbox : %d\n", mailbox);
1237 snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr);
1238 }
1239 } /* endif elf loaded */
1240}
1241
67b48b88 1242static void __devinit snd_mixart_proc_init(struct snd_mixart *chip)
1da177e4 1243{
67b48b88 1244 struct snd_info_entry *entry;
1da177e4
LT		 1245
1246 /* text interface to read perf and temp meters */
1247 if (! snd_card_proc_new(chip->card, "board_info", &entry)) {
1248 entry->private_data = chip;
1da177e4
LT		 1249 entry->c.text.read = snd_mixart_proc_read;
1250 }
1251
1252 if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {
1253 entry->content = SNDRV_INFO_CONTENT_DATA;
1254 entry->private_data = chip->mgr;
1255 entry->c.ops = &snd_mixart_proc_ops_BA0;
1256 entry->size = MIXART_BA0_SIZE;
1257 }
1258 if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) {
1259 entry->content = SNDRV_INFO_CONTENT_DATA;
1260 entry->private_data = chip->mgr;
1261 entry->c.ops = &snd_mixart_proc_ops_BA1;
1262 entry->size = MIXART_BA1_SIZE;
1263 }
1264}
1265/* end of proc interface */
1266
1267
1268/*
1269 * probe function - creates the card manager
1270 */
1271static int __devinit snd_mixart_probe(struct pci_dev *pci,
1272 const struct pci_device_id *pci_id)
1273{
1274 static int dev;
67b48b88 1275 struct mixart_mgr *mgr;
1da177e4
LT		 1276 unsigned int i;
1277 int err;
1278 size_t size;
1279
1280 /*
1281 */
1282 if (dev >= SNDRV_CARDS)
1283 return -ENODEV;
1284 if (! enable[dev]) {
1285 dev++;
1286 return -ENOENT;
1287 }
1288
1289 /* enable PCI device */
1290 if ((err = pci_enable_device(pci)) < 0)
1291 return err;
1292 pci_set_master(pci);
1293
1294 /* check if we can restrict PCI DMA transfers to 32 bits */
284901a9 1295 if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) {
1da177e4
LT		 1296 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
1297 pci_disable_device(pci);
1298 return -ENXIO;
1299 }
1300
1301 /*
1302 */
e560d8d8 1303 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1da177e4
LT		 1304 if (! mgr) {
1305 pci_disable_device(pci);
1306 return -ENOMEM;
1307 }
1308
1309 mgr->pci = pci;
1310 mgr->irq = -1;
1311
1312 /* resource assignment */
1313 if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {
1314 kfree(mgr);
1315 pci_disable_device(pci);
1316 return err;
1317 }
1318 for (i = 0; i < 2; i++) {
1319 mgr->mem[i].phys = pci_resource_start(pci, i);
2f5ad54e 1320 mgr->mem[i].virt = pci_ioremap_bar(pci, i);
f9ff161a
TI		 1321 if (!mgr->mem[i].virt) {
1322 printk(KERN_ERR "unable to remap resource 0x%lx\n",
1323 mgr->mem[i].phys);
1324 snd_mixart_free(mgr);
1325 return -EBUSY;
1326 }
1da177e4
LT		 1327 }
1328
437a5a46
TI		 1329 if (request_irq(pci->irq, snd_mixart_interrupt, IRQF_SHARED,
1330 CARD_NAME, mgr)) {
1da177e4
LT		 1331 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
1332 snd_mixart_free(mgr);
1333 return -EBUSY;
1334 }
1335 mgr->irq = pci->irq;
1336
1337 sprintf(mgr->shortname, "Digigram miXart");
1338 sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq);
1339
1340 /* ISR spinlock */
1341 spin_lock_init(&mgr->lock);
1342
1343 /* init mailbox */
1344 mgr->msg_fifo_readptr = 0;
1345 mgr->msg_fifo_writeptr = 0;
1346
1347 spin_lock_init(&mgr->msg_lock);
62932df8 1348 mutex_init(&mgr->msg_mutex);
1da177e4
LT		 1349 init_waitqueue_head(&mgr->msg_sleep);
1350 atomic_set(&mgr->msg_processed, 0);
1351
1352 /* init setup mutex*/
62932df8 1353 mutex_init(&mgr->setup_mutex);
1da177e4
LT		 1354
1355 /* init message taslket */
67b48b88 1356 tasklet_init(&mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr);
1da177e4
LT		 1357
1358 /* card assignment */
1359 mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */
1360 for (i = 0; i < mgr->num_cards; i++) {
67b48b88 1361 struct snd_card *card;
1da177e4
LT		 1362 char tmpid[16];
1363 int idx;
1364
1365 if (index[dev] < 0)
1366 idx = index[dev];
1367 else
1368 idx = index[dev] + i;
1369 snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i);
e58de7ba 1370 err = snd_card_create(idx, tmpid, THIS_MODULE, 0, &card);
1da177e4 1371
e58de7ba 1372 if (err < 0) {
1da177e4
LT		 1373 snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
1374 snd_mixart_free(mgr);
e58de7ba 1375 return err;
1da177e4
LT		 1376 }
1377
1378 strcpy(card->driver, CARD_NAME);
1379 sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
1380 sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
1381
1382 if ((err = snd_mixart_create(mgr, card, i)) < 0) {
73f6a12e 1383 snd_card_free(card);
1da177e4
LT		 1384 snd_mixart_free(mgr);
1385 return err;
1386 }
1387
1388 if(i==0) {
1389 /* init proc interface only for chip0 */
1390 snd_mixart_proc_init(mgr->chip[i]);
1391 }
1392
1393 if ((err = snd_card_register(card)) < 0) {
1394 snd_mixart_free(mgr);
1395 return err;
1396 }
1397 }
1398
1399 /* init firmware status (mgr->dsp_loaded reset in hwdep_new) */
1400 mgr->board_type = MIXART_DAUGHTER_TYPE_NONE;
1401
1402 /* create array of streaminfo */
67b48b88
TI		 1403 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
1404 sizeof(struct mixart_flowinfo)) );
1da177e4
LT		 1405 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1406 size, &mgr->flowinfo) < 0) {
1407 snd_mixart_free(mgr);
1408 return -ENOMEM;
1409 }
1410 /* init streaminfo_array */
1411 memset(mgr->flowinfo.area, 0, size);
1412
1413 /* create array of bufferinfo */
67b48b88
TI		 1414 size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS *
1415 sizeof(struct mixart_bufferinfo)) );
1da177e4
LT		 1416 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1417 size, &mgr->bufferinfo) < 0) {
1418 snd_mixart_free(mgr);
1419 return -ENOMEM;
1420 }
1421 /* init bufferinfo_array */
1422 memset(mgr->bufferinfo.area, 0, size);
1423
1424 /* set up firmware */
1425 err = snd_mixart_setup_firmware(mgr);
1426 if (err < 0) {
1427 snd_mixart_free(mgr);
1428 return err;
1429 }
1430
1431 pci_set_drvdata(pci, mgr);
1432 dev++;
1433 return 0;
1434}
1435
1436static void __devexit snd_mixart_remove(struct pci_dev *pci)
1437{
1438 snd_mixart_free(pci_get_drvdata(pci));
1439 pci_set_drvdata(pci, NULL);
1440}
1441
1442static struct pci_driver driver = {
1443 .name = "Digigram miXart",
1444 .id_table = snd_mixart_ids,
1445 .probe = snd_mixart_probe,
1446 .remove = __devexit_p(snd_mixart_remove),
1447};
1448
1449static int __init alsa_card_mixart_init(void)
1450{
01d25d46 1451 return pci_register_driver(&driver);
1da177e4
LT		 1452}
1453
1454static void __exit alsa_card_mixart_exit(void)
1455{
1456 pci_unregister_driver(&driver);
1457}
1458
1459module_init(alsa_card_mixart_init)
1460module_exit(alsa_card_mixart_exit)
kernel source for telekom puls (alcatel/mediatek)