mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 01:08:03 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
738
sound/soc/soc-compress.c
Normal file
738
sound/soc/soc-compress.c
Normal file
|
|
@ -0,0 +1,738 @@
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|||
/*
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* soc-compress.c -- ALSA SoC Compress
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*
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* Copyright (C) 2012 Intel Corp.
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*
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* Authors: Namarta Kohli <namartax.kohli@intel.com>
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* Ramesh Babu K V <ramesh.babu@linux.intel.com>
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* Vinod Koul <vinod.koul@linux.intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/workqueue.h>
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#include <sound/core.h>
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#include <sound/compress_params.h>
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#include <sound/compress_driver.h>
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#include <sound/soc.h>
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#include <sound/initval.h>
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#include <sound/soc-dpcm.h>
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static int soc_compr_open(struct snd_compr_stream *cstream)
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{
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struct snd_soc_pcm_runtime *rtd = cstream->private_data;
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struct snd_soc_platform *platform = rtd->platform;
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int ret = 0;
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mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
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if (platform->driver->compr_ops && platform->driver->compr_ops->open) {
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ret = platform->driver->compr_ops->open(cstream);
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if (ret < 0) {
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pr_err("compress asoc: can't open platform %s\n",
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platform->component.name);
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goto out;
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}
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}
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if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->startup) {
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ret = rtd->dai_link->compr_ops->startup(cstream);
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if (ret < 0) {
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pr_err("compress asoc: %s startup failed\n", rtd->dai_link->name);
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goto machine_err;
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}
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}
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snd_soc_runtime_activate(rtd, cstream->direction);
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mutex_unlock(&rtd->pcm_mutex);
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return 0;
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machine_err:
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if (platform->driver->compr_ops && platform->driver->compr_ops->free)
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platform->driver->compr_ops->free(cstream);
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out:
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mutex_unlock(&rtd->pcm_mutex);
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return ret;
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}
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static int soc_compr_open_fe(struct snd_compr_stream *cstream)
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{
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struct snd_soc_pcm_runtime *fe = cstream->private_data;
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struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
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struct snd_soc_platform *platform = fe->platform;
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struct snd_soc_dpcm *dpcm;
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struct snd_soc_dapm_widget_list *list;
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int stream;
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int ret = 0;
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if (cstream->direction == SND_COMPRESS_PLAYBACK)
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stream = SNDRV_PCM_STREAM_PLAYBACK;
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else
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stream = SNDRV_PCM_STREAM_CAPTURE;
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mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
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if (platform->driver->compr_ops && platform->driver->compr_ops->open) {
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ret = platform->driver->compr_ops->open(cstream);
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if (ret < 0) {
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pr_err("compress asoc: can't open platform %s\n",
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platform->component.name);
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goto out;
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}
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}
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if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->startup) {
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ret = fe->dai_link->compr_ops->startup(cstream);
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if (ret < 0) {
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pr_err("compress asoc: %s startup failed\n", fe->dai_link->name);
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goto machine_err;
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}
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}
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fe->dpcm[stream].runtime = fe_substream->runtime;
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ret = dpcm_path_get(fe, stream, &list);
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if (ret < 0)
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goto fe_err;
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else if (ret == 0)
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dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
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fe->dai_link->name, stream ? "capture" : "playback");
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/* calculate valid and active FE <-> BE dpcms */
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dpcm_process_paths(fe, stream, &list, 1);
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fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
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ret = dpcm_be_dai_startup(fe, stream);
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if (ret < 0) {
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/* clean up all links */
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list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
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dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
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dpcm_be_disconnect(fe, stream);
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fe->dpcm[stream].runtime = NULL;
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goto fe_err;
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}
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dpcm_clear_pending_state(fe, stream);
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dpcm_path_put(&list);
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fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN;
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fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
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snd_soc_runtime_activate(fe, stream);
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mutex_unlock(&fe->card->mutex);
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return 0;
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fe_err:
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if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
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fe->dai_link->compr_ops->shutdown(cstream);
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machine_err:
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if (platform->driver->compr_ops && platform->driver->compr_ops->free)
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platform->driver->compr_ops->free(cstream);
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out:
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fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
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mutex_unlock(&fe->card->mutex);
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return ret;
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}
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/*
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* Power down the audio subsystem pmdown_time msecs after close is called.
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* This is to ensure there are no pops or clicks in between any music tracks
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* due to DAPM power cycling.
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*/
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static void close_delayed_work(struct work_struct *work)
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{
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struct snd_soc_pcm_runtime *rtd =
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container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
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dev_dbg(rtd->dev, "ASoC: pop wq checking: %s status: %s waiting: %s\n",
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codec_dai->driver->playback.stream_name,
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codec_dai->playback_active ? "active" : "inactive",
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rtd->pop_wait ? "yes" : "no");
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/* are we waiting on this codec DAI stream */
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if (rtd->pop_wait == 1) {
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rtd->pop_wait = 0;
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snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
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SND_SOC_DAPM_STREAM_STOP);
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}
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mutex_unlock(&rtd->pcm_mutex);
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}
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static int soc_compr_free(struct snd_compr_stream *cstream)
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{
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struct snd_soc_pcm_runtime *rtd = cstream->private_data;
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struct snd_soc_platform *platform = rtd->platform;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int stream;
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mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
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if (cstream->direction == SND_COMPRESS_PLAYBACK)
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stream = SNDRV_PCM_STREAM_PLAYBACK;
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else
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stream = SNDRV_PCM_STREAM_CAPTURE;
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snd_soc_runtime_deactivate(rtd, stream);
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snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction);
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if (!cpu_dai->active)
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cpu_dai->rate = 0;
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if (!codec_dai->active)
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codec_dai->rate = 0;
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if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->shutdown)
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rtd->dai_link->compr_ops->shutdown(cstream);
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if (platform->driver->compr_ops && platform->driver->compr_ops->free)
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platform->driver->compr_ops->free(cstream);
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if (cstream->direction == SND_COMPRESS_PLAYBACK) {
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#ifdef CONFIG_SND_SAMSUNG_SEIREN_OFFLOAD
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if (codec_dai->playback_active)
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goto out;
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#endif
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if (snd_soc_runtime_ignore_pmdown_time(rtd)) {
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snd_soc_dapm_stream_event(rtd,
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SNDRV_PCM_STREAM_PLAYBACK,
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SND_SOC_DAPM_STREAM_STOP);
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} else {
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rtd->pop_wait = 1;
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queue_delayed_work(system_power_efficient_wq,
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&rtd->delayed_work,
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msecs_to_jiffies(rtd->pmdown_time));
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}
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} else {
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#ifdef CONFIG_SND_SAMSUNG_SEIREN_OFFLOAD
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if (codec_dai->capture_active)
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goto out;
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#endif
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/* capture streams can be powered down now */
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snd_soc_dapm_stream_event(rtd,
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SNDRV_PCM_STREAM_CAPTURE,
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SND_SOC_DAPM_STREAM_STOP);
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}
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#ifdef CONFIG_SND_SAMSUNG_SEIREN_OFFLOAD
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out:
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#endif
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mutex_unlock(&rtd->pcm_mutex);
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return 0;
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}
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static int soc_compr_free_fe(struct snd_compr_stream *cstream)
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{
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struct snd_soc_pcm_runtime *fe = cstream->private_data;
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struct snd_soc_platform *platform = fe->platform;
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struct snd_soc_dpcm *dpcm;
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int stream, ret;
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mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
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if (cstream->direction == SND_COMPRESS_PLAYBACK)
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stream = SNDRV_PCM_STREAM_PLAYBACK;
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else
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stream = SNDRV_PCM_STREAM_CAPTURE;
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snd_soc_runtime_deactivate(fe, stream);
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fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
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ret = dpcm_be_dai_hw_free(fe, stream);
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if (ret < 0)
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dev_err(fe->dev, "compressed hw_free failed %d\n", ret);
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ret = dpcm_be_dai_shutdown(fe, stream);
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/* mark FE's links ready to prune */
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list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
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dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
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|
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if (stream == SNDRV_PCM_STREAM_PLAYBACK)
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dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
|
||||
else
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dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
|
||||
|
||||
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
|
||||
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
|
||||
|
||||
dpcm_be_disconnect(fe, stream);
|
||||
|
||||
fe->dpcm[stream].runtime = NULL;
|
||||
|
||||
if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
|
||||
fe->dai_link->compr_ops->shutdown(cstream);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->free)
|
||||
platform->driver->compr_ops->free(cstream);
|
||||
|
||||
mutex_unlock(&fe->card->mutex);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
|
||||
{
|
||||
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
||||
int ret = 0;
|
||||
|
||||
#ifdef CONFIG_SND_SAMSUNG_SEIREN_OFFLOAD
|
||||
/* for partial drain and drain cmd, don't acquire lock while invoking FW.
|
||||
* These calls will be blocked till these operation can complete which
|
||||
* will be a while. And during that time, app can invoke STOP, PAUSE etc
|
||||
*/
|
||||
if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
|
||||
cmd == SND_COMPR_TRIGGER_DRAIN) {
|
||||
if (platform->driver->compr_ops &&
|
||||
platform->driver->compr_ops->trigger)
|
||||
return platform->driver->compr_ops->trigger(cstream, cmd);
|
||||
}
|
||||
#endif
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
|
||||
ret = platform->driver->compr_ops->trigger(cstream, cmd);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
}
|
||||
|
||||
switch (cmd) {
|
||||
case SNDRV_PCM_TRIGGER_START:
|
||||
snd_soc_dai_digital_mute(codec_dai, 0, cstream->direction);
|
||||
break;
|
||||
case SNDRV_PCM_TRIGGER_STOP:
|
||||
snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction);
|
||||
break;
|
||||
}
|
||||
|
||||
out:
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *fe = cstream->private_data;
|
||||
struct snd_soc_platform *platform = fe->platform;
|
||||
int ret = 0, stream;
|
||||
|
||||
if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
|
||||
cmd == SND_COMPR_TRIGGER_DRAIN) {
|
||||
|
||||
if (platform->driver->compr_ops &&
|
||||
platform->driver->compr_ops->trigger)
|
||||
return platform->driver->compr_ops->trigger(cstream,
|
||||
cmd);
|
||||
}
|
||||
|
||||
if (cstream->direction == SND_COMPRESS_PLAYBACK)
|
||||
stream = SNDRV_PCM_STREAM_PLAYBACK;
|
||||
else
|
||||
stream = SNDRV_PCM_STREAM_CAPTURE;
|
||||
|
||||
|
||||
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
|
||||
ret = platform->driver->compr_ops->trigger(cstream, cmd);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
}
|
||||
|
||||
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
|
||||
|
||||
ret = dpcm_be_dai_trigger(fe, stream, cmd);
|
||||
|
||||
switch (cmd) {
|
||||
case SNDRV_PCM_TRIGGER_START:
|
||||
case SNDRV_PCM_TRIGGER_RESUME:
|
||||
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
||||
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
|
||||
break;
|
||||
case SNDRV_PCM_TRIGGER_STOP:
|
||||
case SNDRV_PCM_TRIGGER_SUSPEND:
|
||||
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
|
||||
break;
|
||||
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
||||
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
|
||||
break;
|
||||
}
|
||||
|
||||
out:
|
||||
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
|
||||
mutex_unlock(&fe->card->mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_set_params(struct snd_compr_stream *cstream,
|
||||
struct snd_compr_params *params)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
/* first we call set_params for the platform driver
|
||||
* this should configure the soc side
|
||||
* if the machine has compressed ops then we call that as well
|
||||
* expectation is that platform and machine will configure everything
|
||||
* for this compress path, like configuring pcm port for codec
|
||||
*/
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
|
||||
ret = platform->driver->compr_ops->set_params(cstream, params);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) {
|
||||
ret = rtd->dai_link->compr_ops->set_params(cstream);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (cstream->direction == SND_COMPRESS_PLAYBACK)
|
||||
snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
|
||||
SND_SOC_DAPM_STREAM_START);
|
||||
else
|
||||
snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE,
|
||||
SND_SOC_DAPM_STREAM_START);
|
||||
|
||||
/* cancel any delayed stream shutdown that is pending */
|
||||
rtd->pop_wait = 0;
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
|
||||
cancel_delayed_work_sync(&rtd->delayed_work);
|
||||
|
||||
return ret;
|
||||
|
||||
err:
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
|
||||
struct snd_compr_params *params)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *fe = cstream->private_data;
|
||||
struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
|
||||
struct snd_soc_platform *platform = fe->platform;
|
||||
int ret = 0, stream;
|
||||
|
||||
if (cstream->direction == SND_COMPRESS_PLAYBACK)
|
||||
stream = SNDRV_PCM_STREAM_PLAYBACK;
|
||||
else
|
||||
stream = SNDRV_PCM_STREAM_CAPTURE;
|
||||
|
||||
mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
|
||||
ret = platform->driver->compr_ops->set_params(cstream, params);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->set_params) {
|
||||
ret = fe->dai_link->compr_ops->set_params(cstream);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
}
|
||||
|
||||
/*
|
||||
* Create an empty hw_params for the BE as the machine driver must
|
||||
* fix this up to match DSP decoder and ASRC configuration.
|
||||
* I.e. machine driver fixup for compressed BE is mandatory.
|
||||
*/
|
||||
memset(&fe->dpcm[fe_substream->stream].hw_params, 0,
|
||||
sizeof(struct snd_pcm_hw_params));
|
||||
|
||||
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
|
||||
|
||||
ret = dpcm_be_dai_hw_params(fe, stream);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
|
||||
ret = dpcm_be_dai_prepare(fe, stream);
|
||||
if (ret < 0)
|
||||
goto out;
|
||||
|
||||
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||||
dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START);
|
||||
else
|
||||
dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START);
|
||||
|
||||
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
|
||||
|
||||
out:
|
||||
fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
|
||||
mutex_unlock(&fe->card->mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_get_params(struct snd_compr_stream *cstream,
|
||||
struct snd_codec *params)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->get_params)
|
||||
ret = platform->driver->compr_ops->get_params(cstream, params);
|
||||
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_get_caps(struct snd_compr_stream *cstream,
|
||||
struct snd_compr_caps *caps)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->get_caps)
|
||||
ret = platform->driver->compr_ops->get_caps(cstream, caps);
|
||||
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream,
|
||||
struct snd_compr_codec_caps *codec)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps)
|
||||
ret = platform->driver->compr_ops->get_codec_caps(cstream, codec);
|
||||
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->ack)
|
||||
ret = platform->driver->compr_ops->ack(cstream, bytes);
|
||||
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_pointer(struct snd_compr_stream *cstream,
|
||||
struct snd_compr_tstamp *tstamp)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->pointer)
|
||||
platform->driver->compr_ops->pointer(cstream, tstamp);
|
||||
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int soc_compr_copy(struct snd_compr_stream *cstream,
|
||||
char __user *buf, size_t count)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->copy)
|
||||
ret = platform->driver->compr_ops->copy(cstream, buf, count);
|
||||
|
||||
mutex_unlock(&rtd->pcm_mutex);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_set_metadata(struct snd_compr_stream *cstream,
|
||||
struct snd_compr_metadata *metadata)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->set_metadata)
|
||||
ret = platform->driver->compr_ops->set_metadata(cstream, metadata);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
|
||||
struct snd_compr_metadata *metadata)
|
||||
{
|
||||
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
int ret = 0;
|
||||
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->get_metadata)
|
||||
ret = platform->driver->compr_ops->get_metadata(cstream, metadata);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* ASoC Compress operations */
|
||||
static struct snd_compr_ops soc_compr_ops = {
|
||||
.open = soc_compr_open,
|
||||
.free = soc_compr_free,
|
||||
.set_params = soc_compr_set_params,
|
||||
.set_metadata = soc_compr_set_metadata,
|
||||
.get_metadata = soc_compr_get_metadata,
|
||||
.get_params = soc_compr_get_params,
|
||||
.trigger = soc_compr_trigger,
|
||||
.pointer = soc_compr_pointer,
|
||||
.ack = soc_compr_ack,
|
||||
.get_caps = soc_compr_get_caps,
|
||||
.get_codec_caps = soc_compr_get_codec_caps
|
||||
};
|
||||
|
||||
/* ASoC Dynamic Compress operations */
|
||||
static struct snd_compr_ops soc_compr_dyn_ops = {
|
||||
.open = soc_compr_open_fe,
|
||||
.free = soc_compr_free_fe,
|
||||
.set_params = soc_compr_set_params_fe,
|
||||
.get_params = soc_compr_get_params,
|
||||
.set_metadata = soc_compr_set_metadata,
|
||||
.get_metadata = soc_compr_get_metadata,
|
||||
.trigger = soc_compr_trigger_fe,
|
||||
.pointer = soc_compr_pointer,
|
||||
.ack = soc_compr_ack,
|
||||
.get_caps = soc_compr_get_caps,
|
||||
.get_codec_caps = soc_compr_get_codec_caps
|
||||
};
|
||||
|
||||
/* create a new compress */
|
||||
int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
|
||||
{
|
||||
struct snd_soc_codec *codec = rtd->codec;
|
||||
struct snd_soc_platform *platform = rtd->platform;
|
||||
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
||||
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
|
||||
struct snd_compr *compr;
|
||||
struct snd_pcm *be_pcm;
|
||||
char new_name[64];
|
||||
int ret = 0, direction = 0;
|
||||
|
||||
if (rtd->num_codecs > 1) {
|
||||
dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* check client and interface hw capabilities */
|
||||
snprintf(new_name, sizeof(new_name), "%s %s-%d",
|
||||
rtd->dai_link->stream_name, codec_dai->name, num);
|
||||
|
||||
if (codec_dai->driver->playback.channels_min)
|
||||
direction = SND_COMPRESS_PLAYBACK;
|
||||
else if (codec_dai->driver->capture.channels_min)
|
||||
direction = SND_COMPRESS_CAPTURE;
|
||||
else
|
||||
return -EINVAL;
|
||||
|
||||
compr = kzalloc(sizeof(*compr), GFP_KERNEL);
|
||||
if (compr == NULL) {
|
||||
snd_printk(KERN_ERR "Cannot allocate compr\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops),
|
||||
GFP_KERNEL);
|
||||
if (compr->ops == NULL) {
|
||||
dev_err(rtd->card->dev, "Cannot allocate compressed ops\n");
|
||||
ret = -ENOMEM;
|
||||
goto compr_err;
|
||||
}
|
||||
|
||||
if (rtd->dai_link->dynamic) {
|
||||
snprintf(new_name, sizeof(new_name), "(%s)",
|
||||
rtd->dai_link->stream_name);
|
||||
|
||||
ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num,
|
||||
rtd->dai_link->dpcm_playback,
|
||||
rtd->dai_link->dpcm_capture, &be_pcm);
|
||||
if (ret < 0) {
|
||||
dev_err(rtd->card->dev, "ASoC: can't create compressed for %s\n",
|
||||
rtd->dai_link->name);
|
||||
goto compr_err;
|
||||
}
|
||||
|
||||
rtd->pcm = be_pcm;
|
||||
rtd->fe_compr = 1;
|
||||
if (rtd->dai_link->dpcm_playback)
|
||||
be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
|
||||
else if (rtd->dai_link->dpcm_capture)
|
||||
be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
|
||||
memcpy(compr->ops, &soc_compr_dyn_ops, sizeof(soc_compr_dyn_ops));
|
||||
} else
|
||||
memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops));
|
||||
|
||||
/* Add copy callback for not memory mapped DSPs */
|
||||
if (platform->driver->compr_ops && platform->driver->compr_ops->copy)
|
||||
compr->ops->copy = soc_compr_copy;
|
||||
|
||||
mutex_init(&compr->lock);
|
||||
ret = snd_compress_new(rtd->card->snd_card, num, direction, compr);
|
||||
if (ret < 0) {
|
||||
pr_err("compress asoc: can't create compress for codec %s\n",
|
||||
codec->component.name);
|
||||
goto compr_err;
|
||||
}
|
||||
|
||||
/* DAPM dai link stream work */
|
||||
INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
|
||||
|
||||
rtd->compr = compr;
|
||||
compr->private_data = rtd;
|
||||
|
||||
printk(KERN_INFO "compress asoc: %s <-> %s mapping ok\n", codec_dai->name,
|
||||
cpu_dai->name);
|
||||
return ret;
|
||||
|
||||
compr_err:
|
||||
kfree(compr);
|
||||
return ret;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue