From 9c6d7f9346b1526136dc142eb82085737112a3fe Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 11 Dec 2020 14:55:16 +0900 Subject: [PATCH 1/4] ASoC: soc-pcm: move dpcm_set_fe_update_state() This patch moves dpcm_set_fe_update_state() to top side. This is prepare for cleanup soc-pcm.c Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/871rfw99jn.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- sound/soc/soc-pcm.c | 45 ++++++++++++++++++++++----------------------- 1 file changed, 22 insertions(+), 23 deletions(-) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index a253c9f918e1..1cc8d0b6ec3d 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -203,6 +203,28 @@ static inline void dpcm_remove_debugfs_state(struct snd_soc_dpcm *dpcm) } #endif +/* Set FE's runtime_update state; the state is protected via PCM stream lock + * for avoiding the race with trigger callback. + * If the state is unset and a trigger is pending while the previous operation, + * process the pending trigger action here. + */ +static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd); +static void dpcm_set_fe_update_state(struct snd_soc_pcm_runtime *fe, + int stream, enum snd_soc_dpcm_update state) +{ + struct snd_pcm_substream *substream = + snd_soc_dpcm_get_substream(fe, stream); + + snd_pcm_stream_lock_irq(substream); + if (state == SND_SOC_DPCM_UPDATE_NO && fe->dpcm[stream].trigger_pending) { + dpcm_fe_dai_do_trigger(substream, + fe->dpcm[stream].trigger_pending - 1); + fe->dpcm[stream].trigger_pending = 0; + } + fe->dpcm[stream].runtime_update = state; + snd_pcm_stream_unlock_irq(substream); +} + /** * snd_soc_runtime_action() - Increment/Decrement active count for * PCM runtime components @@ -1710,29 +1732,6 @@ static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream) &runtime->hw.rate_min, &runtime->hw.rate_max); } -static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd); - -/* Set FE's runtime_update state; the state is protected via PCM stream lock - * for avoiding the race with trigger callback. - * If the state is unset and a trigger is pending while the previous operation, - * process the pending trigger action here. - */ -static void dpcm_set_fe_update_state(struct snd_soc_pcm_runtime *fe, - int stream, enum snd_soc_dpcm_update state) -{ - struct snd_pcm_substream *substream = - snd_soc_dpcm_get_substream(fe, stream); - - snd_pcm_stream_lock_irq(substream); - if (state == SND_SOC_DPCM_UPDATE_NO && fe->dpcm[stream].trigger_pending) { - dpcm_fe_dai_do_trigger(substream, - fe->dpcm[stream].trigger_pending - 1); - fe->dpcm[stream].trigger_pending = 0; - } - fe->dpcm[stream].runtime_update = state; - snd_pcm_stream_unlock_irq(substream); -} - static int dpcm_apply_symmetry(struct snd_pcm_substream *fe_substream, int stream) { From a7e20444ef5e7ab74aec34f34eb0e53024c349e1 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 11 Dec 2020 14:55:22 +0900 Subject: [PATCH 2/4] ASoC: soc-pcm: add dpcm_set_be_update_state() soc-pcm has dpcm_set_fe_update_state() to update FE's runtime_update (except dpcm_fe_dai_do_trigger() which needs to update it without it). OTOH, it doesn't have BE's update function. O: dpcm_set_fe_update_state() X: dpcm_set_be_update_state() This patch add BE's dpcm_set_fe_update_state() Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/87zh2k7uz1.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- sound/soc/soc-pcm.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 1cc8d0b6ec3d..54b460f08373 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -225,6 +225,12 @@ static void dpcm_set_fe_update_state(struct snd_soc_pcm_runtime *fe, snd_pcm_stream_unlock_irq(substream); } +static void dpcm_set_be_update_state(struct snd_soc_pcm_runtime *be, + int stream, enum snd_soc_dpcm_update state) +{ + be->dpcm[stream].runtime_update = state; +} + /** * snd_soc_runtime_action() - Increment/Decrement active count for * PCM runtime components @@ -1357,7 +1363,7 @@ static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream, stream ? "capture" : "playback", dpcm->be->dai_link->name, fe->dai_link->name); dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; - dpcm->be->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE; + dpcm_set_be_update_state(dpcm->be, stream, SND_SOC_DPCM_UPDATE_BE); prune++; } @@ -1412,7 +1418,7 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream, continue; /* new */ - be->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE; + dpcm_set_be_update_state(be, stream, SND_SOC_DPCM_UPDATE_BE); new++; } @@ -1440,8 +1446,7 @@ void dpcm_clear_pending_state(struct snd_soc_pcm_runtime *fe, int stream) spin_lock_irqsave(&fe->card->dpcm_lock, flags); for_each_dpcm_be(fe, stream, dpcm) - dpcm->be->dpcm[stream].runtime_update = - SND_SOC_DPCM_UPDATE_NO; + dpcm_set_be_update_state(dpcm->be, stream, SND_SOC_DPCM_UPDATE_NO); spin_unlock_irqrestore(&fe->card->dpcm_lock, flags); } From 2805b8bd3e0bdda15b3458ab9818d80f5d5b157f Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 11 Dec 2020 14:55:27 +0900 Subject: [PATCH 3/4] ASoC: soc-pcm: add soc_pcm_set_dai_params() Getting rate/channels/sample_bits from param needs fixed method. This patch adds new soc_pcm_set_dai_params() and replace existing code. Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/87y2i47uyw.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- sound/soc/soc-pcm.c | 52 +++++++++++++++++++++++---------------------- 1 file changed, 27 insertions(+), 25 deletions(-) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 54b460f08373..6e9f14d482ab 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -329,6 +329,20 @@ int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir, return 0; } +static void soc_pcm_set_dai_params(struct snd_soc_dai *dai, + struct snd_pcm_hw_params *params) +{ + if (params) { + dai->rate = params_rate(params); + dai->channels = params_channels(params); + dai->sample_bits = snd_pcm_format_physical_width(params_format(params)); + } else { + dai->rate = 0; + dai->channels = 0; + dai->sample_bits = 0; + } +} + static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream, struct snd_soc_dai *soc_dai) { @@ -390,13 +404,12 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_dai d; struct snd_soc_dai *dai; struct snd_soc_dai *cpu_dai; - unsigned int rate, channels, sample_bits, symmetry, i; + unsigned int symmetry, i; - rate = params_rate(params); - channels = params_channels(params); - sample_bits = snd_pcm_format_physical_width(params_format(params)); + soc_pcm_set_dai_params(&d, params); /* reject unmatched parameters when applying symmetry */ symmetry = rtd->dai_link->symmetric_rates; @@ -406,9 +419,9 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream, if (symmetry) { for_each_rtd_cpu_dais(rtd, i, cpu_dai) { - if (cpu_dai->rate && cpu_dai->rate != rate) { + if (cpu_dai->rate && cpu_dai->rate != d.rate) { dev_err(rtd->dev, "ASoC: unmatched rate symmetry: %d - %d\n", - cpu_dai->rate, rate); + cpu_dai->rate, d.rate); return -EINVAL; } } @@ -422,9 +435,9 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream, if (symmetry) { for_each_rtd_cpu_dais(rtd, i, cpu_dai) { if (cpu_dai->channels && - cpu_dai->channels != channels) { + cpu_dai->channels != d.channels) { dev_err(rtd->dev, "ASoC: unmatched channel symmetry: %d - %d\n", - cpu_dai->channels, channels); + cpu_dai->channels, d.channels); return -EINVAL; } } @@ -438,9 +451,9 @@ static int soc_pcm_params_symmetry(struct snd_pcm_substream *substream, if (symmetry) { for_each_rtd_cpu_dais(rtd, i, cpu_dai) { if (cpu_dai->sample_bits && - cpu_dai->sample_bits != sample_bits) { + cpu_dai->sample_bits != d.sample_bits) { dev_err(rtd->dev, "ASoC: unmatched sample bits symmetry: %d - %d\n", - cpu_dai->sample_bits, sample_bits); + cpu_dai->sample_bits, d.sample_bits); return -EINVAL; } } @@ -898,11 +911,8 @@ static int soc_pcm_hw_clean(struct snd_pcm_substream *substream, int rollback) for_each_rtd_dais(rtd, i, dai) { int active = snd_soc_dai_stream_active(dai, substream->stream); - if (snd_soc_dai_active(dai) == 1) { - dai->rate = 0; - dai->channels = 0; - dai->sample_bits = 0; - } + if (snd_soc_dai_active(dai) == 1) + soc_pcm_set_dai_params(dai, NULL); if (active == 1) snd_soc_dai_digital_mute(dai, 1, substream->stream); @@ -999,11 +1009,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, if(ret < 0) goto out; - codec_dai->rate = params_rate(&codec_params); - codec_dai->channels = params_channels(&codec_params); - codec_dai->sample_bits = snd_pcm_format_physical_width( - params_format(&codec_params)); - + soc_pcm_set_dai_params(codec_dai, &codec_params); snd_soc_dapm_update_dai(substream, &codec_params, codec_dai); } @@ -1020,11 +1026,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream, goto out; /* store the parameters for each DAI */ - cpu_dai->rate = params_rate(params); - cpu_dai->channels = params_channels(params); - cpu_dai->sample_bits = - snd_pcm_format_physical_width(params_format(params)); - + soc_pcm_set_dai_params(cpu_dai, params); snd_soc_dapm_update_dai(substream, params, cpu_dai); } From a39748d03cbc7c0a55d217731c7e16a22a2d2bed Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 11 Dec 2020 14:55:33 +0900 Subject: [PATCH 4/4] ASoC: soc-pcm: cleanup soc_pcm_apply_symmetry() soc_pcm_apply_symmetry() want to call snd_pcm_hw_constraint_single() for rate/channel/sample_bits, but, it needs many condition check. These are very similar but different, thus, it needs to have very verbose code. This patch use macro for it and make code more simple. Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/87wnxo7uyq.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- sound/soc/soc-pcm.c | 63 +++++++++++++-------------------------------- 1 file changed, 18 insertions(+), 45 deletions(-) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 6e9f14d482ab..f62136f16c2f 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -349,53 +349,26 @@ static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); int ret; - if (soc_dai->rate && (soc_dai->driver->symmetric_rates || - rtd->dai_link->symmetric_rates)) { - dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %dHz rate\n", - soc_dai->rate); - - ret = snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_RATE, - soc_dai->rate); - if (ret < 0) { - dev_err(soc_dai->dev, - "ASoC: Unable to apply rate constraint: %d\n", - ret); - return ret; - } +#define __soc_pcm_apply_symmetry(name, sname, NAME) \ + if (soc_dai->name && (soc_dai->driver->symmetric_##sname || \ + rtd->dai_link->symmetric_##sname)) { \ + dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %s to %d\n",\ + #name, soc_dai->name); \ + \ + ret = snd_pcm_hw_constraint_single(substream->runtime, \ + SNDRV_PCM_HW_PARAM_##NAME,\ + soc_dai->name); \ + if (ret < 0) { \ + dev_err(soc_dai->dev, \ + "ASoC: Unable to apply %s constraint: %d\n",\ + #name, ret); \ + return ret; \ + } \ } - if (soc_dai->channels && (soc_dai->driver->symmetric_channels || - rtd->dai_link->symmetric_channels)) { - dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %d channel(s)\n", - soc_dai->channels); - - ret = snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_CHANNELS, - soc_dai->channels); - if (ret < 0) { - dev_err(soc_dai->dev, - "ASoC: Unable to apply channel symmetry constraint: %d\n", - ret); - return ret; - } - } - - if (soc_dai->sample_bits && (soc_dai->driver->symmetric_samplebits || - rtd->dai_link->symmetric_samplebits)) { - dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %d sample bits\n", - soc_dai->sample_bits); - - ret = snd_pcm_hw_constraint_single(substream->runtime, - SNDRV_PCM_HW_PARAM_SAMPLE_BITS, - soc_dai->sample_bits); - if (ret < 0) { - dev_err(soc_dai->dev, - "ASoC: Unable to apply sample bits symmetry constraint: %d\n", - ret); - return ret; - } - } + __soc_pcm_apply_symmetry(rate, rates, RATE); + __soc_pcm_apply_symmetry(channels, channels, CHANNELS); + __soc_pcm_apply_symmetry(sample_bits, samplebits, SAMPLE_BITS); return 0; }