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ASoC: Intel: Remove soc pm handling to allow platform driver handle it
[linux-2.6-block.git] / sound / soc / intel / sst / sst_drv_interface.c
CommitLineData
cc547054
VK		 1/*
2 * sst_drv_interface.c - Intel SST Driver for audio engine
3 *
4 * Copyright (C) 2008-14 Intel Corp
5 * Authors: Vinod Koul <vinod.koul@intel.com>
6 * Harsha Priya <priya.harsha@intel.com>
7 * Dharageswari R <dharageswari.r@intel.com)
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2 of the License.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 */
21#include <linux/delay.h>
22#include <linux/pci.h>
23#include <linux/fs.h>
24#include <linux/firmware.h>
25#include <linux/pm_runtime.h>
26#include <linux/pm_qos.h>
27#include <linux/math64.h>
28#include <sound/core.h>
29#include <sound/pcm.h>
30#include <sound/soc.h>
31#include <sound/compress_driver.h>
32#include <asm/platform_sst_audio.h>
33#include "../sst-mfld-platform.h"
34#include "sst.h"
35#include "../sst-dsp.h"
36
37
38
39#define NUM_CODEC 2
40#define MIN_FRAGMENT 2
41#define MAX_FRAGMENT 4
42#define MIN_FRAGMENT_SIZE (50 * 1024)
43#define MAX_FRAGMENT_SIZE (1024 * 1024)
44#define SST_GET_BYTES_PER_SAMPLE(pcm_wd_sz) (((pcm_wd_sz + 15) >> 4) << 1)
45
46int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id)
47{
48 struct stream_info *stream;
49 int ret = 0;
50
51 stream = get_stream_info(ctx, str_id);
52 if (stream) {
53 /* str_id is valid, so stream is alloacted */
54 ret = sst_free_stream(ctx, str_id);
55 if (ret)
56 sst_clean_stream(&ctx->streams[str_id]);
57 return ret;
790b4075
VK		 58 } else {
59 dev_err(ctx->dev, "we tried to free stream context %d which was freed!!!\n", str_id);
cc547054
VK		 60 }
61 return ret;
62}
63
64int sst_get_stream_allocated(struct intel_sst_drv *ctx,
65 struct snd_sst_params *str_param,
66 struct snd_sst_lib_download **lib_dnld)
67{
68 int retval;
69
70 retval = ctx->ops->alloc_stream(ctx, str_param);
71 if (retval > 0)
72 dev_dbg(ctx->dev, "Stream allocated %d\n", retval);
73 return retval;
74
75}
76
77/*
78 * sst_get_sfreq - this function returns the frequency of the stream
79 *
80 * @str_param : stream params
81 */
82int sst_get_sfreq(struct snd_sst_params *str_param)
83{
84 switch (str_param->codec) {
85 case SST_CODEC_TYPE_PCM:
86 return str_param->sparams.uc.pcm_params.sfreq;
87 case SST_CODEC_TYPE_AAC:
88 return str_param->sparams.uc.aac_params.externalsr;
89 case SST_CODEC_TYPE_MP3:
90 return 0;
91 default:
92 return -EINVAL;
93 }
94}
95
96/*
dee2ce69 97 * sst_get_num_channel - get number of channels for the stream
cc547054
VK		 98 *
99 * @str_param : stream params
100 */
101int sst_get_num_channel(struct snd_sst_params *str_param)
102{
103 switch (str_param->codec) {
104 case SST_CODEC_TYPE_PCM:
105 return str_param->sparams.uc.pcm_params.num_chan;
106 case SST_CODEC_TYPE_MP3:
107 return str_param->sparams.uc.mp3_params.num_chan;
108 case SST_CODEC_TYPE_AAC:
109 return str_param->sparams.uc.aac_params.num_chan;
110 default:
111 return -EINVAL;
112 }
113}
114
115/*
116 * sst_get_stream - this function prepares for stream allocation
117 *
118 * @str_param : stream param
119 */
120int sst_get_stream(struct intel_sst_drv *ctx,
121 struct snd_sst_params *str_param)
122{
123 int retval;
124 struct stream_info *str_info;
125
126 /* stream is not allocated, we are allocating */
127 retval = ctx->ops->alloc_stream(ctx, str_param);
128 if (retval <= 0) {
129 return -EIO;
130 }
131 /* store sampling freq */
132 str_info = &ctx->streams[retval];
133 str_info->sfreq = sst_get_sfreq(str_param);
134
135 return retval;
136}
137
138static int sst_power_control(struct device *dev, bool state)
139{
140 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
9308d145 141 int ret = 0;
cc547054 142
9308d145
VK		 143 if (state == true) {
144 ret = pm_runtime_get_sync(dev);
145 dev_dbg(ctx->dev, "Enable: pm usage count: %d\n",
146 atomic_read(&dev->power.usage_count));
147 if (ret < 0) {
148 dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret);
149 return ret;
150 }
151 if ((ctx->sst_state == SST_RESET) &&
152 (atomic_read(&dev->power.usage_count) == 1)) {
153 ret = sst_load_fw(ctx);
154 if (ret) {
155 dev_err(dev, "FW download fail %d\n", ret);
156 sst_set_fw_state_locked(ctx, SST_RESET);
157 ret = sst_pm_runtime_put(ctx);
158 }
159 }
160 } else {
161 dev_dbg(ctx->dev, "Disable: pm usage count: %d\n",
162 atomic_read(&dev->power.usage_count));
cc547054 163 return sst_pm_runtime_put(ctx);
9308d145
VK		 164 }
165 return ret;
cc547054
VK		 166}
167
168/*
169 * sst_open_pcm_stream - Open PCM interface
170 *
171 * @str_param: parameters of pcm stream
172 *
173 * This function is called by MID sound card driver to open
174 * a new pcm interface
175 */
176static int sst_open_pcm_stream(struct device *dev,
177 struct snd_sst_params *str_param)
178{
179 int retval;
180 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
181
182 if (!str_param)
183 return -EINVAL;
184
cc547054 185 retval = sst_get_stream(ctx, str_param);
1a6db0bd 186 if (retval > 0)
cc547054 187 ctx->stream_cnt++;
1a6db0bd 188 else
cc547054 189 dev_err(ctx->dev, "sst_get_stream returned err %d\n", retval);
cc547054
VK		 190
191 return retval;
192}
193
7adab122
VK		 194static int sst_cdev_open(struct device *dev,
195 struct snd_sst_params *str_params, struct sst_compress_cb *cb)
196{
197 int str_id, retval;
198 struct stream_info *stream;
199 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
200
201 retval = pm_runtime_get_sync(ctx->dev);
202 if (retval < 0)
203 return retval;
204
205 str_id = sst_get_stream(ctx, str_params);
206 if (str_id > 0) {
207 dev_dbg(dev, "stream allocated in sst_cdev_open %d\n", str_id);
208 stream = &ctx->streams[str_id];
209 stream->compr_cb = cb->compr_cb;
210 stream->compr_cb_param = cb->param;
211 stream->drain_notify = cb->drain_notify;
212 stream->drain_cb_param = cb->drain_cb_param;
213 } else {
214 dev_err(dev, "stream encountered error during alloc %d\n", str_id);
215 str_id = -EINVAL;
216 sst_pm_runtime_put(ctx);
217 }
218 return str_id;
219}
220
221static int sst_cdev_close(struct device *dev, unsigned int str_id)
222{
223 int retval;
224 struct stream_info *stream;
225 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
226
227 stream = get_stream_info(ctx, str_id);
228 if (!stream) {
229 dev_err(dev, "stream info is NULL for str %d!!!\n", str_id);
230 return -EINVAL;
231 }
232
233 if (stream->status == STREAM_RESET) {
234 dev_dbg(dev, "stream in reset state...\n");
235 stream->status = STREAM_UN_INIT;
236
237 retval = 0;
238 goto put;
239 }
240
241 retval = sst_free_stream(ctx, str_id);
242put:
243 stream->compr_cb_param = NULL;
244 stream->compr_cb = NULL;
245
246 if (retval)
247 dev_err(dev, "free stream returned err %d\n", retval);
248
249 dev_dbg(dev, "End\n");
250 return retval;
251
252}
253
254static int sst_cdev_ack(struct device *dev, unsigned int str_id,
255 unsigned long bytes)
256{
257 struct stream_info *stream;
258 struct snd_sst_tstamp fw_tstamp = {0,};
259 int offset;
260 void __iomem *addr;
261 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
262
263 stream = get_stream_info(ctx, str_id);
264 if (!stream)
265 return -EINVAL;
266
267 /* update bytes sent */
268 stream->cumm_bytes += bytes;
269 dev_dbg(dev, "bytes copied %d inc by %ld\n", stream->cumm_bytes, bytes);
270
271 memcpy_fromio(&fw_tstamp,
272 ((void *)(ctx->mailbox + ctx->tstamp)
273 +(str_id * sizeof(fw_tstamp))),
274 sizeof(fw_tstamp));
275
276 fw_tstamp.bytes_copied = stream->cumm_bytes;
277 dev_dbg(dev, "bytes sent to fw %llu inc by %ld\n",
278 fw_tstamp.bytes_copied, bytes);
279
280 addr = ((void *)(ctx->mailbox + ctx->tstamp)) +
281 (str_id * sizeof(fw_tstamp));
282 offset = offsetof(struct snd_sst_tstamp, bytes_copied);
283 sst_shim_write(addr, offset, fw_tstamp.bytes_copied);
284 return 0;
285}
286
287static int sst_cdev_set_metadata(struct device *dev,
288 unsigned int str_id, struct snd_compr_metadata *metadata)
289{
290 int retval = 0;
291 struct stream_info *str_info;
292 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
293
294 dev_dbg(dev, "set metadata for stream %d\n", str_id);
295
296 str_info = get_stream_info(ctx, str_id);
297 if (!str_info)
298 return -EINVAL;
299
300 dev_dbg(dev, "pipe id = %d\n", str_info->pipe_id);
301 retval = sst_prepare_and_post_msg(ctx, str_info->task_id, IPC_CMD,
302 IPC_IA_SET_STREAM_PARAMS_MRFLD, str_info->pipe_id,
303 sizeof(*metadata), metadata, NULL,
304 true, true, true, false);
305
306 return retval;
307}
308
309static int sst_cdev_stream_pause(struct device *dev, unsigned int str_id)
310{
311 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
312
313 return sst_pause_stream(ctx, str_id);
314}
315
316static int sst_cdev_stream_pause_release(struct device *dev,
317 unsigned int str_id)
318{
319 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
320
321 return sst_resume_stream(ctx, str_id);
322}
323
324static int sst_cdev_stream_start(struct device *dev, unsigned int str_id)
325{
326 struct stream_info *str_info;
327 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
328
329 str_info = get_stream_info(ctx, str_id);
330 if (!str_info)
331 return -EINVAL;
332 str_info->prev = str_info->status;
333 str_info->status = STREAM_RUNNING;
334 return sst_start_stream(ctx, str_id);
335}
336
337static int sst_cdev_stream_drop(struct device *dev, unsigned int str_id)
338{
339 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
340
341 return sst_drop_stream(ctx, str_id);
342}
343
344static int sst_cdev_stream_drain(struct device *dev, unsigned int str_id)
345{
346 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
347
348 return sst_drain_stream(ctx, str_id, false);
349}
350
351static int sst_cdev_stream_partial_drain(struct device *dev,
352 unsigned int str_id)
353{
354 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
355
356 return sst_drain_stream(ctx, str_id, true);
357}
358
359static int sst_cdev_tstamp(struct device *dev, unsigned int str_id,
360 struct snd_compr_tstamp *tstamp)
361{
362 struct snd_sst_tstamp fw_tstamp = {0,};
363 struct stream_info *stream;
364 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
365
366 memcpy_fromio(&fw_tstamp,
367 ((void *)(ctx->mailbox + ctx->tstamp)
368 +(str_id * sizeof(fw_tstamp))),
369 sizeof(fw_tstamp));
370
371 stream = get_stream_info(ctx, str_id);
372 if (!stream)
373 return -EINVAL;
374 dev_dbg(dev, "rb_counter %llu in bytes\n", fw_tstamp.ring_buffer_counter);
375
376 tstamp->copied_total = fw_tstamp.ring_buffer_counter;
377 tstamp->pcm_frames = fw_tstamp.frames_decoded;
378 tstamp->pcm_io_frames = div_u64(fw_tstamp.hardware_counter,
379 (u64)((stream->num_ch) * SST_GET_BYTES_PER_SAMPLE(24)));
380 tstamp->sampling_rate = fw_tstamp.sampling_frequency;
381
382 dev_dbg(dev, "PCM = %u\n", tstamp->pcm_io_frames);
383 dev_dbg(dev, "Ptr Query on strid = %d copied_total %d, decodec %d\n",
384 str_id, tstamp->copied_total, tstamp->pcm_frames);
385 dev_dbg(dev, "rendered %d\n", tstamp->pcm_io_frames);
386
387 return 0;
388}
389
390static int sst_cdev_caps(struct snd_compr_caps *caps)
391{
392 caps->num_codecs = NUM_CODEC;
393 caps->min_fragment_size = MIN_FRAGMENT_SIZE; /* 50KB */
394 caps->max_fragment_size = MAX_FRAGMENT_SIZE; /* 1024KB */
395 caps->min_fragments = MIN_FRAGMENT;
396 caps->max_fragments = MAX_FRAGMENT;
397 caps->codecs[0] = SND_AUDIOCODEC_MP3;
398 caps->codecs[1] = SND_AUDIOCODEC_AAC;
399 return 0;
400}
401
402static struct snd_compr_codec_caps caps_mp3 = {
403 .num_descriptors = 1,
404 .descriptor[0].max_ch = 2,
405 .descriptor[0].sample_rates[0] = 48000,
406 .descriptor[0].sample_rates[1] = 44100,
407 .descriptor[0].sample_rates[2] = 32000,
408 .descriptor[0].sample_rates[3] = 16000,
409 .descriptor[0].sample_rates[4] = 8000,
410 .descriptor[0].num_sample_rates = 5,
411 .descriptor[0].bit_rate[0] = 320,
412 .descriptor[0].bit_rate[1] = 192,
413 .descriptor[0].num_bitrates = 2,
414 .descriptor[0].profiles = 0,
415 .descriptor[0].modes = SND_AUDIOCHANMODE_MP3_STEREO,
416 .descriptor[0].formats = 0,
417};
418
419static struct snd_compr_codec_caps caps_aac = {
420 .num_descriptors = 2,
421 .descriptor[1].max_ch = 2,
422 .descriptor[0].sample_rates[0] = 48000,
423 .descriptor[0].sample_rates[1] = 44100,
424 .descriptor[0].sample_rates[2] = 32000,
425 .descriptor[0].sample_rates[3] = 16000,
426 .descriptor[0].sample_rates[4] = 8000,
427 .descriptor[0].num_sample_rates = 5,
428 .descriptor[1].bit_rate[0] = 320,
429 .descriptor[1].bit_rate[1] = 192,
430 .descriptor[1].num_bitrates = 2,
431 .descriptor[1].profiles = 0,
432 .descriptor[1].modes = 0,
433 .descriptor[1].formats =
434 (SND_AUDIOSTREAMFORMAT_MP4ADTS |
435 SND_AUDIOSTREAMFORMAT_RAW),
436};
437
438static int sst_cdev_codec_caps(struct snd_compr_codec_caps *codec)
439{
440 if (codec->codec == SND_AUDIOCODEC_MP3)
441 *codec = caps_mp3;
442 else if (codec->codec == SND_AUDIOCODEC_AAC)
443 *codec = caps_aac;
444 else
445 return -EINVAL;
446
447 return 0;
448}
449
450void sst_cdev_fragment_elapsed(struct intel_sst_drv *ctx, int str_id)
451{
452 struct stream_info *stream;
453
454 dev_dbg(ctx->dev, "fragment elapsed from firmware for str_id %d\n",
455 str_id);
456 stream = &ctx->streams[str_id];
457 if (stream->compr_cb)
458 stream->compr_cb(stream->compr_cb_param);
459}
460
cc547054
VK		 461/*
462 * sst_close_pcm_stream - Close PCM interface
463 *
464 * @str_id: stream id to be closed
465 *
466 * This function is called by MID sound card driver to close
467 * an existing pcm interface
468 */
469static int sst_close_pcm_stream(struct device *dev, unsigned int str_id)
470{
471 struct stream_info *stream;
472 int retval = 0;
473 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
474
475 stream = get_stream_info(ctx, str_id);
476 if (!stream) {
477 dev_err(ctx->dev, "stream info is NULL for str %d!!!\n", str_id);
478 return -EINVAL;
479 }
480
481 if (stream->status == STREAM_RESET) {
482 /* silently fail here as we have cleaned the stream earlier */
483 dev_dbg(ctx->dev, "stream in reset state...\n");
484
485 retval = 0;
486 goto put;
487 }
488
489 retval = free_stream_context(ctx, str_id);
490put:
491 stream->pcm_substream = NULL;
492 stream->status = STREAM_UN_INIT;
493 stream->period_elapsed = NULL;
494 ctx->stream_cnt--;
495
1a6db0bd
SP		 496 if (retval)
497 dev_err(ctx->dev, "free stream returned err %d\n", retval);
cc547054
VK		 498
499 dev_dbg(ctx->dev, "Exit\n");
500 return 0;
501}
502
503static inline int sst_calc_tstamp(struct intel_sst_drv *ctx,
504 struct pcm_stream_info *info,
505 struct snd_pcm_substream *substream,
506 struct snd_sst_tstamp *fw_tstamp)
507{
508 size_t delay_bytes, delay_frames;
509 size_t buffer_sz;
510 u32 pointer_bytes, pointer_samples;
511
512 dev_dbg(ctx->dev, "mrfld ring_buffer_counter %llu in bytes\n",
513 fw_tstamp->ring_buffer_counter);
514 dev_dbg(ctx->dev, "mrfld hardware_counter %llu in bytes\n",
515 fw_tstamp->hardware_counter);
516 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
517 delay_bytes = (size_t) (fw_tstamp->ring_buffer_counter -
518 fw_tstamp->hardware_counter);
519 else
520 delay_bytes = (size_t) (fw_tstamp->hardware_counter -
521 fw_tstamp->ring_buffer_counter);
522 delay_frames = bytes_to_frames(substream->runtime, delay_bytes);
523 buffer_sz = snd_pcm_lib_buffer_bytes(substream);
524 div_u64_rem(fw_tstamp->ring_buffer_counter, buffer_sz, &pointer_bytes);
525 pointer_samples = bytes_to_samples(substream->runtime, pointer_bytes);
526
527 dev_dbg(ctx->dev, "pcm delay %zu in bytes\n", delay_bytes);
528
529 info->buffer_ptr = pointer_samples / substream->runtime->channels;
530
531 info->pcm_delay = delay_frames / substream->runtime->channels;
532 dev_dbg(ctx->dev, "buffer ptr %llu pcm_delay rep: %llu\n",
533 info->buffer_ptr, info->pcm_delay);
534 return 0;
535}
536
537static int sst_read_timestamp(struct device *dev, struct pcm_stream_info *info)
538{
539 struct stream_info *stream;
540 struct snd_pcm_substream *substream;
541 struct snd_sst_tstamp fw_tstamp;
542 unsigned int str_id;
543 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
544
545 str_id = info->str_id;
546 stream = get_stream_info(ctx, str_id);
547 if (!stream)
548 return -EINVAL;
549
550 if (!stream->pcm_substream)
551 return -EINVAL;
552 substream = stream->pcm_substream;
553
554 memcpy_fromio(&fw_tstamp,
555 ((void *)(ctx->mailbox + ctx->tstamp)
556 + (str_id * sizeof(fw_tstamp))),
557 sizeof(fw_tstamp));
558 return sst_calc_tstamp(ctx, info, substream, &fw_tstamp);
559}
560
561static int sst_stream_start(struct device *dev, int str_id)
562{
563 struct stream_info *str_info;
564 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
565
566 if (ctx->sst_state != SST_FW_RUNNING)
567 return 0;
568 str_info = get_stream_info(ctx, str_id);
569 if (!str_info)
570 return -EINVAL;
571 str_info->prev = str_info->status;
572 str_info->status = STREAM_RUNNING;
573 sst_start_stream(ctx, str_id);
574
575 return 0;
576}
577
578static int sst_stream_drop(struct device *dev, int str_id)
579{
580 struct stream_info *str_info;
581 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
582
583 if (ctx->sst_state != SST_FW_RUNNING)
584 return 0;
585
586 str_info = get_stream_info(ctx, str_id);
587 if (!str_info)
588 return -EINVAL;
589 str_info->prev = STREAM_UN_INIT;
590 str_info->status = STREAM_INIT;
591 return sst_drop_stream(ctx, str_id);
592}
593
e0b87d47
VK		 594static int sst_stream_pause(struct device *dev, int str_id)
595{
596 struct stream_info *str_info;
597 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
598
599 if (ctx->sst_state != SST_FW_RUNNING)
600 return 0;
601
602 str_info = get_stream_info(ctx, str_id);
603 if (!str_info)
604 return -EINVAL;
605
606 return sst_pause_stream(ctx, str_id);
607}
608
609static int sst_stream_resume(struct device *dev, int str_id)
610{
611 struct stream_info *str_info;
612 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
613
614 if (ctx->sst_state != SST_FW_RUNNING)
615 return 0;
616
617 str_info = get_stream_info(ctx, str_id);
618 if (!str_info)
619 return -EINVAL;
620 return sst_resume_stream(ctx, str_id);
621}
622
cc547054
VK		 623static int sst_stream_init(struct device *dev, struct pcm_stream_info *str_info)
624{
625 int str_id = 0;
626 struct stream_info *stream;
627 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
628
629 str_id = str_info->str_id;
630
631 if (ctx->sst_state != SST_FW_RUNNING)
632 return 0;
633
634 stream = get_stream_info(ctx, str_id);
635 if (!stream)
636 return -EINVAL;
637
638 dev_dbg(ctx->dev, "setting the period ptrs\n");
639 stream->pcm_substream = str_info->arg;
640 stream->period_elapsed = str_info->period_elapsed;
641 stream->sfreq = str_info->sfreq;
642 stream->prev = stream->status;
643 stream->status = STREAM_INIT;
644 dev_dbg(ctx->dev,
645 "pcm_substream %p, period_elapsed %p, sfreq %d, status %d\n",
646 stream->pcm_substream, stream->period_elapsed,
647 stream->sfreq, stream->status);
648
649 return 0;
650}
651
652/*
653 * sst_set_byte_stream - Set generic params
654 *
655 * @cmd: control cmd to be set
656 * @arg: command argument
657 *
658 * This function is called by MID sound card driver to configure
659 * SST runtime params.
660 */
661static int sst_send_byte_stream(struct device *dev,
662 struct snd_sst_bytes_v2 *bytes)
663{
664 int ret_val = 0;
665 struct intel_sst_drv *ctx = dev_get_drvdata(dev);
666
667 if (NULL == bytes)
668 return -EINVAL;
669 ret_val = pm_runtime_get_sync(ctx->dev);
670 if (ret_val < 0)
671 return ret_val;
672
673 ret_val = sst_send_byte_stream_mrfld(ctx, bytes);
674 sst_pm_runtime_put(ctx);
675
676 return ret_val;
677}
678
679static struct sst_ops pcm_ops = {
680 .open = sst_open_pcm_stream,
681 .stream_init = sst_stream_init,
682 .stream_start = sst_stream_start,
683 .stream_drop = sst_stream_drop,
e0b87d47
VK		 684 .stream_pause = sst_stream_pause,
685 .stream_pause_release = sst_stream_resume,
cc547054
VK		 686 .stream_read_tstamp = sst_read_timestamp,
687 .send_byte_stream = sst_send_byte_stream,
688 .close = sst_close_pcm_stream,
689 .power = sst_power_control,
690};
691
7adab122
VK		 692static struct compress_sst_ops compr_ops = {
693 .open = sst_cdev_open,
694 .close = sst_cdev_close,
695 .stream_pause = sst_cdev_stream_pause,
696 .stream_pause_release = sst_cdev_stream_pause_release,
697 .stream_start = sst_cdev_stream_start,
698 .stream_drop = sst_cdev_stream_drop,
699 .stream_drain = sst_cdev_stream_drain,
700 .stream_partial_drain = sst_cdev_stream_partial_drain,
701 .tstamp = sst_cdev_tstamp,
702 .ack = sst_cdev_ack,
703 .get_caps = sst_cdev_caps,
704 .get_codec_caps = sst_cdev_codec_caps,
705 .set_metadata = sst_cdev_set_metadata,
706 .power = sst_power_control,
707};
708
cc547054
VK		 709static struct sst_device sst_dsp_device = {
710 .name = "Intel(R) SST LPE",
711 .dev = NULL,
712 .ops = &pcm_ops,
7adab122 713 .compr_ops = &compr_ops,
cc547054
VK		 714};
715
716/*
717 * sst_register - function to register DSP
718 *
719 * This functions registers DSP with the platform driver
720 */
721int sst_register(struct device *dev)
722{
723 int ret_val;
724
725 sst_dsp_device.dev = dev;
726 ret_val = sst_register_dsp(&sst_dsp_device);
727 if (ret_val)
728 dev_err(dev, "Unable to register DSP with platform driver\n");
729
730 return ret_val;
731}
732
733int sst_unregister(struct device *dev)
734{
735 return sst_unregister_dsp(&sst_dsp_device);
736}
Linux 6.x block layer and io_uring tree(s)