-/*
- * soc-pcm.c -- ALSA SoC PCM
- *
- * Copyright 2005 Wolfson Microelectronics PLC.
- * Copyright 2005 Openedhand Ltd.
- * Copyright (C) 2010 Slimlogic Ltd.
- * Copyright (C) 2010 Texas Instruments Inc.
- *
- * Authors: Liam Girdwood <lrg@ti.com>
- * Mark Brown <broonie@opensource.wolfsonmicro.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// soc-pcm.c -- ALSA SoC PCM
+//
+// Copyright 2005 Wolfson Microelectronics PLC.
+// Copyright 2005 Openedhand Ltd.
+// Copyright (C) 2010 Slimlogic Ltd.
+// Copyright (C) 2010 Texas Instruments Inc.
+//
+// Authors: Liam Girdwood <lrg@ti.com>
+// Mark Brown <broonie@opensource.wolfsonmicro.com>
#include <linux/kernel.h>
#include <linux/init.h>
hw->rate_max = min_not_zero(hw->rate_max, rate_max);
}
+static int soc_pcm_components_close(struct snd_pcm_substream *substream,
+ struct snd_soc_component *last)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_rtdcom_list *rtdcom;
+ struct snd_soc_component *component;
+
+ for_each_rtdcom(rtd, rtdcom) {
+ component = rtdcom->component;
+
+ if (component == last)
+ break;
+
+ if (!component->driver->ops ||
+ !component->driver->ops->close)
+ continue;
+
+ component->driver->ops->close(substream);
+ }
+
+ return 0;
+}
+
/*
* Called by ALSA when a PCM substream is opened, the runtime->hw record is
* then initialized and any private data can be allocated. This also calls
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai;
const char *codec_dai_name = "multicodec";
- int i, ret = 0, __ret;
+ int i, ret = 0;
pinctrl_pm_select_default_state(cpu_dai->dev);
for (i = 0; i < rtd->num_codecs; i++)
}
}
- ret = 0;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
!component->driver->ops->open)
continue;
- __ret = component->driver->ops->open(substream);
- if (__ret < 0) {
+ ret = component->driver->ops->open(substream);
+ if (ret < 0) {
dev_err(component->dev,
"ASoC: can't open component %s: %d\n",
- component->name, __ret);
- ret = __ret;
+ component->name, ret);
+ goto component_err;
}
}
- if (ret < 0)
- goto component_err;
+ component = NULL;
for (i = 0; i < rtd->num_codecs; i++) {
codec_dai = rtd->codec_dais[i];
}
component_err:
- for_each_rtdcom(rtd, rtdcom) {
- component = rtdcom->component;
-
- if (!component->driver->ops ||
- !component->driver->ops->close)
- continue;
-
- component->driver->ops->close(substream);
- }
+ soc_pcm_components_close(substream, component);
if (cpu_dai->driver->ops->shutdown)
cpu_dai->driver->ops->shutdown(substream, cpu_dai);
if (rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
- for_each_rtdcom(rtd, rtdcom) {
- component = rtdcom->component;
-
- if (!component->driver->ops ||
- !component->driver->ops->close)
- continue;
-
- component->driver->ops->close(substream);
- }
+ soc_pcm_components_close(substream, NULL);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (snd_soc_runtime_ignore_pmdown_time(rtd)) {
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
int ret;
+ /* perform any topology hw_params fixups before DAI */
+ if (rtd->dai_link->be_hw_params_fixup) {
+ ret = rtd->dai_link->be_hw_params_fixup(rtd, params);
+ if (ret < 0) {
+ dev_err(rtd->dev,
+ "ASoC: hw_params topology fixup failed %d\n",
+ ret);
+ return ret;
+ }
+ }
+
if (dai->driver->ops->hw_params) {
ret = dai->driver->ops->hw_params(substream, params, dai);
if (ret < 0) {
return 0;
}
+static int soc_pcm_components_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_component *last)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_rtdcom_list *rtdcom;
+ struct snd_soc_component *component;
+
+ for_each_rtdcom(rtd, rtdcom) {
+ component = rtdcom->component;
+
+ if (component == last)
+ break;
+
+ if (!component->driver->ops ||
+ !component->driver->ops->hw_free)
+ continue;
+
+ component->driver->ops->hw_free(substream);
+ }
+
+ return 0;
+}
+
/*
* Called by ALSA when the hardware params are set by application. This
* function can also be called multiple times and can allocate buffers
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- int i, ret = 0, __ret;
+ int i, ret = 0;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
if (rtd->dai_link->ops->hw_params) {
if (ret < 0)
goto interface_err;
- ret = 0;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
!component->driver->ops->hw_params)
continue;
- __ret = component->driver->ops->hw_params(substream, params);
- if (__ret < 0) {
+ ret = component->driver->ops->hw_params(substream, params);
+ if (ret < 0) {
dev_err(component->dev,
"ASoC: %s hw params failed: %d\n",
- component->name, __ret);
- ret = __ret;
+ component->name, ret);
+ goto component_err;
}
}
- if (ret < 0)
- goto component_err;
+ component = NULL;
/* store the parameters for each DAIs */
cpu_dai->rate = params_rate(params);
return ret;
component_err:
- for_each_rtdcom(rtd, rtdcom) {
- component = rtdcom->component;
-
- if (!component->driver->ops ||
- !component->driver->ops->hw_free)
- continue;
-
- component->driver->ops->hw_free(substream);
- }
+ soc_pcm_components_hw_free(substream, component);
if (cpu_dai->driver->ops->hw_free)
cpu_dai->driver->ops->hw_free(substream, cpu_dai);
static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component;
- struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai;
bool playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
rtd->dai_link->ops->hw_free(substream);
/* free any component resources */
- for_each_rtdcom(rtd, rtdcom) {
- component = rtdcom->component;
-
- if (!component->driver->ops ||
- !component->driver->ops->hw_free)
- continue;
-
- component->driver->ops->hw_free(substream);
- }
+ soc_pcm_components_hw_free(substream, NULL);
/* now free hw params for the DAIs */
for (i = 0; i < rtd->num_codecs; i++) {
snd_pcm_sframes_t codec_delay = 0;
int i;
+ /* clearing the previous total delay */
+ runtime->delay = 0;
+
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
offset = component->driver->ops->pointer(substream);
break;
}
+ /* base delay if assigned in pointer callback */
+ delay = runtime->delay;
if (cpu_dai->driver->ops->delay)
delay += cpu_dai->driver->ops->delay(substream, cpu_dai);
}
static void dpcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
- struct snd_soc_pcm_stream *stream,
- u64 formats)
+ struct snd_soc_pcm_stream *stream)
{
runtime->hw.rate_min = stream->rate_min;
runtime->hw.rate_max = stream->rate_max;
runtime->hw.channels_min = stream->channels_min;
runtime->hw.channels_max = stream->channels_max;
if (runtime->hw.formats)
- runtime->hw.formats &= formats & stream->formats;
+ runtime->hw.formats &= stream->formats;
else
- runtime->hw.formats = formats & stream->formats;
+ runtime->hw.formats = stream->formats;
runtime->hw.rates = stream->rates;
}
-static u64 dpcm_runtime_base_format(struct snd_pcm_substream *substream)
+static void dpcm_runtime_merge_format(struct snd_pcm_substream *substream,
+ u64 *formats)
{
struct snd_soc_pcm_runtime *fe = substream->private_data;
struct snd_soc_dpcm *dpcm;
- u64 formats = ULLONG_MAX;
int stream = substream->stream;
if (!fe->dai_link->dpcm_merged_format)
- return formats;
+ return;
/*
* It returns merged BE codec format
int i;
for (i = 0; i < be->num_codecs; i++) {
+ /*
+ * Skip CODECs which don't support the current stream
+ * type. See soc_pcm_init_runtime_hw() for more details
+ */
+ if (!snd_soc_dai_stream_valid(be->codec_dais[i],
+ stream))
+ continue;
+
codec_dai_drv = be->codec_dais[i]->driver;
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
codec_stream = &codec_dai_drv->playback;
else
codec_stream = &codec_dai_drv->capture;
- formats &= codec_stream->formats;
+ *formats &= codec_stream->formats;
}
}
+}
+
+static void dpcm_runtime_merge_chan(struct snd_pcm_substream *substream,
+ unsigned int *channels_min,
+ unsigned int *channels_max)
+{
+ struct snd_soc_pcm_runtime *fe = substream->private_data;
+ struct snd_soc_dpcm *dpcm;
+ int stream = substream->stream;
- return formats;
+ if (!fe->dai_link->dpcm_merged_chan)
+ return;
+
+ /*
+ * It returns merged BE codec channel;
+ * if FE want to use it (= dpcm_merged_chan)
+ */
+
+ list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
+ struct snd_soc_pcm_runtime *be = dpcm->be;
+ struct snd_soc_dai_driver *cpu_dai_drv = be->cpu_dai->driver;
+ struct snd_soc_dai_driver *codec_dai_drv;
+ struct snd_soc_pcm_stream *codec_stream;
+ struct snd_soc_pcm_stream *cpu_stream;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cpu_stream = &cpu_dai_drv->playback;
+ else
+ cpu_stream = &cpu_dai_drv->capture;
+
+ *channels_min = max(*channels_min, cpu_stream->channels_min);
+ *channels_max = min(*channels_max, cpu_stream->channels_max);
+
+ /*
+ * chan min/max cannot be enforced if there are multiple CODEC
+ * DAIs connected to a single CPU DAI, use CPU DAI's directly
+ */
+ if (be->num_codecs == 1) {
+ codec_dai_drv = be->codec_dais[0]->driver;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ codec_stream = &codec_dai_drv->playback;
+ else
+ codec_stream = &codec_dai_drv->capture;
+
+ *channels_min = max(*channels_min,
+ codec_stream->channels_min);
+ *channels_max = min(*channels_max,
+ codec_stream->channels_max);
+ }
+ }
+}
+
+static void dpcm_runtime_merge_rate(struct snd_pcm_substream *substream,
+ unsigned int *rates,
+ unsigned int *rate_min,
+ unsigned int *rate_max)
+{
+ struct snd_soc_pcm_runtime *fe = substream->private_data;
+ struct snd_soc_dpcm *dpcm;
+ int stream = substream->stream;
+
+ if (!fe->dai_link->dpcm_merged_rate)
+ return;
+
+ /*
+ * It returns merged BE codec channel;
+ * if FE want to use it (= dpcm_merged_chan)
+ */
+
+ list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
+ struct snd_soc_pcm_runtime *be = dpcm->be;
+ struct snd_soc_dai_driver *cpu_dai_drv = be->cpu_dai->driver;
+ struct snd_soc_dai_driver *codec_dai_drv;
+ struct snd_soc_pcm_stream *codec_stream;
+ struct snd_soc_pcm_stream *cpu_stream;
+ int i;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cpu_stream = &cpu_dai_drv->playback;
+ else
+ cpu_stream = &cpu_dai_drv->capture;
+
+ *rate_min = max(*rate_min, cpu_stream->rate_min);
+ *rate_max = min_not_zero(*rate_max, cpu_stream->rate_max);
+ *rates = snd_pcm_rate_mask_intersect(*rates, cpu_stream->rates);
+
+ for (i = 0; i < be->num_codecs; i++) {
+ /*
+ * Skip CODECs which don't support the current stream
+ * type. See soc_pcm_init_runtime_hw() for more details
+ */
+ if (!snd_soc_dai_stream_valid(be->codec_dais[i],
+ stream))
+ continue;
+
+ codec_dai_drv = be->codec_dais[i]->driver;
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ codec_stream = &codec_dai_drv->playback;
+ else
+ codec_stream = &codec_dai_drv->capture;
+
+ *rate_min = max(*rate_min, codec_stream->rate_min);
+ *rate_max = min_not_zero(*rate_max,
+ codec_stream->rate_max);
+ *rates = snd_pcm_rate_mask_intersect(*rates,
+ codec_stream->rates);
+ }
+ }
}
static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
- u64 format = dpcm_runtime_base_format(substream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback, format);
+ dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback);
else
- dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture, format);
+ dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture);
+
+ dpcm_runtime_merge_format(substream, &runtime->hw.formats);
+ dpcm_runtime_merge_chan(substream, &runtime->hw.channels_min,
+ &runtime->hw.channels_max);
+ dpcm_runtime_merge_rate(substream, &runtime->hw.rates,
+ &runtime->hw.rate_min, &runtime->hw.rate_max);
}
static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd);
return ret;
}
-/* Called by DAPM mixer/mux changes to update audio routing between PCMs and
- * any DAI links.
- */
-int soc_dpcm_runtime_update(struct snd_soc_card *card)
+static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
{
- struct snd_soc_pcm_runtime *fe;
- int old, new, paths;
+ struct snd_soc_dapm_widget_list *list;
+ int count, paths;
- mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
- list_for_each_entry(fe, &card->rtd_list, list) {
- struct snd_soc_dapm_widget_list *list;
+ if (!fe->dai_link->dynamic)
+ return 0;
- /* make sure link is FE */
- if (!fe->dai_link->dynamic)
- continue;
+ /* only check active links */
+ if (!fe->cpu_dai->active)
+ return 0;
- /* only check active links */
- if (!fe->cpu_dai->active)
- continue;
+ /* DAPM sync will call this to update DSP paths */
+ dev_dbg(fe->dev, "ASoC: DPCM %s runtime update for FE %s\n",
+ new ? "new" : "old", fe->dai_link->name);
- /* DAPM sync will call this to update DSP paths */
- dev_dbg(fe->dev, "ASoC: DPCM runtime update for FE %s\n",
- fe->dai_link->name);
+ /* skip if FE doesn't have playback capability */
+ if (!fe->cpu_dai->driver->playback.channels_min ||
+ !fe->codec_dai->driver->playback.channels_min)
+ goto capture;
- /* skip if FE doesn't have playback capability */
- if (!fe->cpu_dai->driver->playback.channels_min
- || !fe->codec_dai->driver->playback.channels_min)
- goto capture;
-
- /* skip if FE isn't currently playing */
- if (!fe->cpu_dai->playback_active
- || !fe->codec_dai->playback_active)
- goto capture;
-
- paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_PLAYBACK, &list);
- if (paths < 0) {
- dev_warn(fe->dev, "ASoC: %s no valid %s path\n",
- fe->dai_link->name, "playback");
- mutex_unlock(&card->mutex);
- return paths;
- }
+ /* skip if FE isn't currently playing */
+ if (!fe->cpu_dai->playback_active || !fe->codec_dai->playback_active)
+ goto capture;
- /* update any new playback paths */
- new = dpcm_process_paths(fe, SNDRV_PCM_STREAM_PLAYBACK, &list, 1);
- if (new) {
- dpcm_run_new_update(fe, SNDRV_PCM_STREAM_PLAYBACK);
- dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_PLAYBACK);
- dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);
- }
+ paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_PLAYBACK, &list);
+ if (paths < 0) {
+ dev_warn(fe->dev, "ASoC: %s no valid %s path\n",
+ fe->dai_link->name, "playback");
+ return paths;
+ }
- /* update any old playback paths */
- old = dpcm_process_paths(fe, SNDRV_PCM_STREAM_PLAYBACK, &list, 0);
- if (old) {
+ /* update any playback paths */
+ count = dpcm_process_paths(fe, SNDRV_PCM_STREAM_PLAYBACK, &list, new);
+ if (count) {
+ if (new)
+ dpcm_run_new_update(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ else
dpcm_run_old_update(fe, SNDRV_PCM_STREAM_PLAYBACK);
- dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_PLAYBACK);
- dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);
- }
- dpcm_path_put(&list);
+ dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_PLAYBACK);
+ }
+
+ dpcm_path_put(&list);
+
capture:
- /* skip if FE doesn't have capture capability */
- if (!fe->cpu_dai->driver->capture.channels_min
- || !fe->codec_dai->driver->capture.channels_min)
- continue;
+ /* skip if FE doesn't have capture capability */
+ if (!fe->cpu_dai->driver->capture.channels_min ||
+ !fe->codec_dai->driver->capture.channels_min)
+ return 0;
- /* skip if FE isn't currently capturing */
- if (!fe->cpu_dai->capture_active
- || !fe->codec_dai->capture_active)
- continue;
+ /* skip if FE isn't currently capturing */
+ if (!fe->cpu_dai->capture_active || !fe->codec_dai->capture_active)
+ return 0;
- paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_CAPTURE, &list);
- if (paths < 0) {
- dev_warn(fe->dev, "ASoC: %s no valid %s path\n",
- fe->dai_link->name, "capture");
- mutex_unlock(&card->mutex);
- return paths;
- }
+ paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_CAPTURE, &list);
+ if (paths < 0) {
+ dev_warn(fe->dev, "ASoC: %s no valid %s path\n",
+ fe->dai_link->name, "capture");
+ return paths;
+ }
- /* update any new capture paths */
- new = dpcm_process_paths(fe, SNDRV_PCM_STREAM_CAPTURE, &list, 1);
- if (new) {
+ /* update any old capture paths */
+ count = dpcm_process_paths(fe, SNDRV_PCM_STREAM_CAPTURE, &list, new);
+ if (count) {
+ if (new)
dpcm_run_new_update(fe, SNDRV_PCM_STREAM_CAPTURE);
- dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_CAPTURE);
- dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_CAPTURE);
- }
-
- /* update any old capture paths */
- old = dpcm_process_paths(fe, SNDRV_PCM_STREAM_CAPTURE, &list, 0);
- if (old) {
+ else
dpcm_run_old_update(fe, SNDRV_PCM_STREAM_CAPTURE);
- dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_CAPTURE);
- dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_CAPTURE);
- }
- dpcm_path_put(&list);
+ dpcm_clear_pending_state(fe, SNDRV_PCM_STREAM_CAPTURE);
+ dpcm_be_disconnect(fe, SNDRV_PCM_STREAM_CAPTURE);
}
- mutex_unlock(&card->mutex);
+ dpcm_path_put(&list);
+
return 0;
}
+
+/* Called by DAPM mixer/mux changes to update audio routing between PCMs and
+ * any DAI links.
+ */
+int soc_dpcm_runtime_update(struct snd_soc_card *card)
+{
+ struct snd_soc_pcm_runtime *fe;
+ int ret = 0;
+
+ mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+ /* shutdown all old paths first */
+ list_for_each_entry(fe, &card->rtd_list, list) {
+ ret = soc_dpcm_fe_runtime_update(fe, 0);
+ if (ret)
+ goto out;
+ }
+
+ /* bring new paths up */
+ list_for_each_entry(fe, &card->rtd_list, list) {
+ ret = soc_dpcm_fe_runtime_update(fe, 1);
+ if (ret)
+ goto out;
+ }
+
+out:
+ mutex_unlock(&card->mutex);
+ return ret;
+}
int soc_dpcm_be_digital_mute(struct snd_soc_pcm_runtime *fe, int mute)
{
struct snd_soc_dpcm *dpcm;
git.samba.org / sfrench / cifs-2.6.git / blobdiff