From 31a70a71b3a730aa703bbd05713d21115dd6d33a Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:26 +0200 Subject: [PATCH 1/8] ASoC: pcm: Reverse iterate DAIs when shutting them down During startup snd_soc_dai_startup() is launched in ascending order and the exact same thing is done during shutdown procedure. Reverse the order in the latter so that it is symmetric to the former. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-2-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- include/sound/soc.h | 4 ++++ sound/soc/soc-pcm.c | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/include/sound/soc.h b/include/sound/soc.h index 2a1b6c198547..8aa6ddb7ee1e 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1235,6 +1235,10 @@ struct snd_soc_pcm_runtime { ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \ ((dai) = (rtd)->dais[i]); \ (i)++) +#define for_each_rtd_dais_reverse(rtd, i, dai) \ + for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \ + (i) >= 0 && ((dai) = (rtd)->dais[i]); \ + (i)--) #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps) void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd); diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index b0e1bd7f588b..711b2f49ed88 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -724,7 +724,7 @@ static int soc_pcm_clean(struct snd_soc_pcm_runtime *rtd, } } - for_each_rtd_dais(rtd, i, dai) + for_each_rtd_dais_reverse(rtd, i, dai) snd_soc_dai_shutdown(dai, substream, rollback); snd_soc_link_shutdown(substream, rollback); From 140df6d4d5f541e950a35cad2e3dffb49186ed74 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:27 +0200 Subject: [PATCH 2/8] ASoC: Intel: avs: Relocate HDA BE DAI specific operations DAI's startup()/shutdown() shall deal with allocation and freeing of resources needed to facilitate streaming over it. Currently for HDAudio BE DAIs some of that task is done in component->open()/close(). Relocate the relevant pieces to address that. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-3-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/pcm.c | 55 ++++++++++++++++++--------------------- 1 file changed, 26 insertions(+), 29 deletions(-) diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index 77a7e8f93951..f3cd54f355ef 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -277,12 +277,36 @@ static const struct snd_soc_dai_ops avs_dai_hda_be_ops; static int avs_dai_hda_be_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - return avs_dai_startup(substream, dai, false, &avs_dai_hda_be_ops); + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct hdac_ext_stream *link_stream; + struct hda_codec *codec; + int ret; + + ret = avs_dai_startup(substream, dai, false, &avs_dai_hda_be_ops); + if (ret) + return ret; + + codec = dev_to_hda_codec(snd_soc_rtd_to_codec(rtd, 0)->dev); + link_stream = snd_hdac_ext_stream_assign(&codec->bus->core, substream, + HDAC_EXT_STREAM_TYPE_LINK); + if (!link_stream) { + avs_dai_nonhda_be_shutdown(substream, dai); + return -EBUSY; + } + + substream->runtime->private_data = link_stream; + return 0; } static void avs_dai_hda_be_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - return avs_dai_nonhda_be_shutdown(substream, dai); + struct hdac_ext_stream *link_stream; + + link_stream = substream->runtime->private_data; + snd_hdac_ext_stream_release(link_stream, HDAC_EXT_STREAM_TYPE_LINK); + substream->runtime->private_data = NULL; + + avs_dai_nonhda_be_shutdown(substream, dai); } static int avs_dai_hda_be_hw_params(struct snd_pcm_substream *substream, @@ -1576,8 +1600,6 @@ static int avs_component_hda_open(struct snd_soc_component *component, struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct hdac_ext_stream *link_stream; - struct hda_codec *codec; if (!rtd->dai_link->no_pcm) { struct snd_pcm_hardware hwparams = avs_pcm_hardware; @@ -1609,30 +1631,6 @@ static int avs_component_hda_open(struct snd_soc_component *component, return snd_soc_set_runtime_hwparams(substream, &hwparams); } - codec = dev_to_hda_codec(snd_soc_rtd_to_codec(rtd, 0)->dev); - link_stream = snd_hdac_ext_stream_assign(&codec->bus->core, substream, - HDAC_EXT_STREAM_TYPE_LINK); - if (!link_stream) - return -EBUSY; - - substream->runtime->private_data = link_stream; - return 0; -} - -static int avs_component_hda_close(struct snd_soc_component *component, - struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct hdac_ext_stream *link_stream; - - /* only BE DAI links are handled here */ - if (!rtd->dai_link->no_pcm) - return 0; - - link_stream = substream->runtime->private_data; - snd_hdac_ext_stream_release(link_stream, HDAC_EXT_STREAM_TYPE_LINK); - substream->runtime->private_data = NULL; - return 0; } @@ -1643,7 +1641,6 @@ static const struct snd_soc_component_driver avs_hda_component_driver = { .suspend = avs_component_suspend, .resume = avs_component_resume, .open = avs_component_hda_open, - .close = avs_component_hda_close, .pointer = avs_component_pointer, .mmap = avs_component_mmap, .pcm_construct = avs_component_construct, From b9d59f970ea7772957f6da02ca1ba272ef4495b8 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:28 +0200 Subject: [PATCH 3/8] ASoC: Intel: avs: Remove redundancy around DAI shutdown Move avs_dai_nonhda_be_shutdown() to avs_dai_shutdown() as the function is common for all transfer types, not just non-HDAudio ones. Use it to simplify avs_dai_fe_shutdown(). While at it, fix explicit kfree(data) and use the destructor instead. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-4-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/pcm.c | 44 +++++++++++++++++---------------------- 1 file changed, 19 insertions(+), 25 deletions(-) diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index f3cd54f355ef..23f7e0fae817 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -85,6 +85,21 @@ static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_d return 0; } +static void avs_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct avs_dev *adev = to_avs_dev(dai->dev); + struct avs_dma_data *data; + + data = snd_soc_dai_get_dma_data(dai, substream); + + if (rtd->dai_link->ignore_suspend) + adev->num_lp_paths--; + + snd_soc_dai_set_dma_data(dai, substream, NULL); + kfree(data); +} + static int avs_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *fe_hw_params, struct snd_pcm_hw_params *be_hw_params, struct snd_soc_dai *dai, @@ -166,21 +181,6 @@ static int avs_dai_nonhda_be_startup(struct snd_pcm_substream *substream, struct return avs_dai_startup(substream, dai, false, &avs_dai_nonhda_be_ops); } -static void avs_dai_nonhda_be_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct avs_dev *adev = to_avs_dev(dai->dev); - struct avs_dma_data *data; - - if (rtd->dai_link->ignore_suspend) - adev->num_lp_paths--; - - data = snd_soc_dai_get_dma_data(dai, substream); - - snd_soc_dai_set_dma_data(dai, substream, NULL); - kfree(data); -} - static int avs_dai_nonhda_be_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params, struct snd_soc_dai *dai) { @@ -266,7 +266,7 @@ static int avs_dai_nonhda_be_trigger(struct snd_pcm_substream *substream, int cm static const struct snd_soc_dai_ops avs_dai_nonhda_be_ops = { .startup = avs_dai_nonhda_be_startup, - .shutdown = avs_dai_nonhda_be_shutdown, + .shutdown = avs_dai_shutdown, .hw_params = avs_dai_nonhda_be_hw_params, .hw_free = avs_dai_nonhda_be_hw_free, .prepare = avs_dai_nonhda_be_prepare, @@ -290,7 +290,7 @@ static int avs_dai_hda_be_startup(struct snd_pcm_substream *substream, struct sn link_stream = snd_hdac_ext_stream_assign(&codec->bus->core, substream, HDAC_EXT_STREAM_TYPE_LINK); if (!link_stream) { - avs_dai_nonhda_be_shutdown(substream, dai); + avs_dai_shutdown(substream, dai); return -EBUSY; } @@ -306,7 +306,7 @@ static void avs_dai_hda_be_shutdown(struct snd_pcm_substream *substream, struct snd_hdac_ext_stream_release(link_stream, HDAC_EXT_STREAM_TYPE_LINK); substream->runtime->private_data = NULL; - avs_dai_nonhda_be_shutdown(substream, dai); + avs_dai_shutdown(substream, dai); } static int avs_dai_hda_be_hw_params(struct snd_pcm_substream *substream, @@ -558,18 +558,12 @@ err: static void avs_dai_fe_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct avs_dev *adev = to_avs_dev(dai->dev); struct avs_dma_data *data; - if (rtd->dai_link->ignore_suspend) - adev->num_lp_paths--; - data = snd_soc_dai_get_dma_data(dai, substream); - snd_soc_dai_set_dma_data(dai, substream, NULL); snd_hdac_ext_stream_release(data->host_stream, HDAC_EXT_STREAM_TYPE_HOST); - kfree(data); + avs_dai_shutdown(substream, dai); } static int avs_dai_fe_hw_params(struct snd_pcm_substream *substream, From c303a994e5d0f7d297cb6ac56052dce8f412ee67 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:29 +0200 Subject: [PATCH 4/8] ASoC: Intel: avs: Store pointer to adev in DAI dma_data Reduce the number of to_avs_dev() casts by storing the driver context in DAI's dma_data. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-5-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/pcm.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index 23f7e0fae817..a3a04115216c 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -22,6 +22,7 @@ struct avs_dma_data { struct avs_tplg_path_template *template; struct avs_path *path; + struct avs_dev *adev; /* * link stream is stored within substream's runtime * private_data to fulfill the needs of codec BE path @@ -60,7 +61,7 @@ static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_d const struct snd_soc_dai_ops *ops) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct avs_dev *adev = to_avs_dev(dai->dev); + struct avs_dev *adev = to_avs_dev(dai->component->dev); struct avs_tplg_path_template *template; struct avs_dma_data *data; @@ -77,6 +78,7 @@ static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_d data->substream = substream; data->template = template; + data->adev = adev; snd_soc_dai_set_dma_data(dai, substream, data); if (rtd->dai_link->ignore_suspend) @@ -88,13 +90,12 @@ static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_d static void avs_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct avs_dev *adev = to_avs_dev(dai->dev); struct avs_dma_data *data; data = snd_soc_dai_get_dma_data(dai, substream); if (rtd->dai_link->ignore_suspend) - adev->num_lp_paths--; + data->adev->num_lp_paths--; snd_soc_dai_set_dma_data(dai, substream, NULL); kfree(data); @@ -107,7 +108,6 @@ static int avs_dai_hw_params(struct snd_pcm_substream *substream, { struct avs_dma_data *data; struct avs_path *path; - struct avs_dev *adev = to_avs_dev(dai->dev); int ret; data = snd_soc_dai_get_dma_data(dai, substream); @@ -124,7 +124,7 @@ static int avs_dai_hw_params(struct snd_pcm_substream *substream, params_rate(be_hw_params), params_channels(be_hw_params), params_width(be_hw_params), params_physical_width(be_hw_params)); - path = avs_path_create(adev, dma_id, data->template, fe_hw_params, be_hw_params); + path = avs_path_create(data->adev, dma_id, data->template, fe_hw_params, be_hw_params); if (IS_ERR(path)) { ret = PTR_ERR(path); dev_err(dai->dev, "create path failed: %d\n", ret); @@ -505,8 +505,7 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so { struct snd_pcm_runtime *runtime = substream->runtime; struct avs_dma_data *data; - struct avs_dev *adev = to_avs_dev(dai->dev); - struct hdac_bus *bus = &adev->base.core; + struct hdac_bus *bus; struct hdac_ext_stream *host_stream; int ret; @@ -515,6 +514,7 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so return ret; data = snd_soc_dai_get_dma_data(dai, substream); + bus = &data->adev->base.core; host_stream = snd_hdac_ext_stream_assign(bus, substream, HDAC_EXT_STREAM_TYPE_HOST); if (!host_stream) { @@ -655,7 +655,6 @@ static int avs_dai_fe_prepare(struct snd_pcm_substream *substream, struct snd_so struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_stream *stream_info; struct avs_dma_data *data; - struct avs_dev *adev = to_avs_dev(dai->dev); struct hdac_ext_stream *host_stream; unsigned int format_val; struct hdac_bus *bus; @@ -685,7 +684,7 @@ static int avs_dai_fe_prepare(struct snd_pcm_substream *substream, struct snd_so if (ret < 0) return ret; - ret = avs_dai_prepare(adev, substream, dai); + ret = avs_dai_prepare(data->adev, substream, dai); if (ret) return ret; From 3a48d146aa761bc591272bc453eda64743128a31 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:30 +0200 Subject: [PATCH 5/8] ASoC: Intel: avs: Remove redundancy around DAI startup Half of the arguments in avs_dai_startup() are unused and can be dropped. With the function updated, it matches its template in snd_soc_dai_ops and can be referenced throughout the pcm.c file without need of any wrappers. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-6-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/pcm.c | 22 +++++----------------- 1 file changed, 5 insertions(+), 17 deletions(-) diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index a3a04115216c..0771a9716f4b 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -57,15 +57,14 @@ avs_dai_find_path_template(struct snd_soc_dai *dai, bool is_fe, int direction) return dw->priv; } -static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai, bool is_fe, - const struct snd_soc_dai_ops *ops) +static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct avs_dev *adev = to_avs_dev(dai->component->dev); struct avs_tplg_path_template *template; struct avs_dma_data *data; - template = avs_dai_find_path_template(dai, is_fe, substream->stream); + template = avs_dai_find_path_template(dai, !rtd->dai_link->no_pcm, substream->stream); if (!template) { dev_err(dai->dev, "no %s path for dai %s, invalid tplg?\n", snd_pcm_stream_str(substream), dai->name); @@ -174,13 +173,6 @@ static int avs_dai_prepare(struct avs_dev *adev, struct snd_pcm_substream *subst return ret; } -static const struct snd_soc_dai_ops avs_dai_nonhda_be_ops; - -static int avs_dai_nonhda_be_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) -{ - return avs_dai_startup(substream, dai, false, &avs_dai_nonhda_be_ops); -} - static int avs_dai_nonhda_be_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params, struct snd_soc_dai *dai) { @@ -265,7 +257,7 @@ static int avs_dai_nonhda_be_trigger(struct snd_pcm_substream *substream, int cm } static const struct snd_soc_dai_ops avs_dai_nonhda_be_ops = { - .startup = avs_dai_nonhda_be_startup, + .startup = avs_dai_startup, .shutdown = avs_dai_shutdown, .hw_params = avs_dai_nonhda_be_hw_params, .hw_free = avs_dai_nonhda_be_hw_free, @@ -273,8 +265,6 @@ static const struct snd_soc_dai_ops avs_dai_nonhda_be_ops = { .trigger = avs_dai_nonhda_be_trigger, }; -static const struct snd_soc_dai_ops avs_dai_hda_be_ops; - static int avs_dai_hda_be_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); @@ -282,7 +272,7 @@ static int avs_dai_hda_be_startup(struct snd_pcm_substream *substream, struct sn struct hda_codec *codec; int ret; - ret = avs_dai_startup(substream, dai, false, &avs_dai_hda_be_ops); + ret = avs_dai_startup(substream, dai); if (ret) return ret; @@ -479,8 +469,6 @@ static const struct snd_pcm_hw_constraint_list hw_rates = { .mask = 0, }; -const struct snd_soc_dai_ops avs_dai_fe_ops; - static int hw_rule_param_size(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *interval = hw_param_interval(params, rule->var); @@ -509,7 +497,7 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so struct hdac_ext_stream *host_stream; int ret; - ret = avs_dai_startup(substream, dai, true, &avs_dai_fe_ops); + ret = avs_dai_startup(substream, dai); if (ret) return ret; From 0f8843ca4f6cbf0efb8c2d5516a3b92fb2771a04 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:31 +0200 Subject: [PATCH 6/8] ASoC: Intel: avs: Remove redundancy around DAI prepare Drop unused arguments in the avs_dai_prepare() function. With the function updated, it matches its template in snd_soc_dai_ops and can be referenced throughout the pcm.c file without need of any wrappers. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-7-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/pcm.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index 0771a9716f4b..d4557b7b1c6c 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -151,8 +151,7 @@ static int avs_dai_be_hw_params(struct snd_pcm_substream *substream, return avs_dai_hw_params(substream, fe_hw_params, be_hw_params, dai, dma_id); } -static int avs_dai_prepare(struct avs_dev *adev, struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static int avs_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct avs_dma_data *data; int ret; @@ -201,11 +200,6 @@ static int avs_dai_nonhda_be_hw_free(struct snd_pcm_substream *substream, struct return 0; } -static int avs_dai_nonhda_be_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) -{ - return avs_dai_prepare(to_avs_dev(dai->dev), substream, dai); -} - static int avs_dai_nonhda_be_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { @@ -261,7 +255,7 @@ static const struct snd_soc_dai_ops avs_dai_nonhda_be_ops = { .shutdown = avs_dai_shutdown, .hw_params = avs_dai_nonhda_be_hw_params, .hw_free = avs_dai_nonhda_be_hw_free, - .prepare = avs_dai_nonhda_be_prepare, + .prepare = avs_dai_prepare, .trigger = avs_dai_nonhda_be_trigger, }; @@ -381,7 +375,7 @@ static int avs_dai_hda_be_prepare(struct snd_pcm_substream *substream, struct sn if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) snd_hdac_ext_bus_link_set_stream_id(link, hdac_stream(link_stream)->stream_tag); - ret = avs_dai_prepare(to_avs_dev(dai->dev), substream, dai); + ret = avs_dai_prepare(substream, dai); if (ret) return ret; @@ -672,7 +666,7 @@ static int avs_dai_fe_prepare(struct snd_pcm_substream *substream, struct snd_so if (ret < 0) return ret; - ret = avs_dai_prepare(data->adev, substream, dai); + ret = avs_dai_prepare(substream, dai); if (ret) return ret; From cdcb770a60e8e6b9fbb737ebe21b2daadaba1744 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:32 +0200 Subject: [PATCH 7/8] ASoC: Intel: avs: Store pointer to link_stream in dma_data While the HDAudio codec driver expectations must be met - store valid pointer to HDAudio LINK stream in substream->runtime->private_data - the code is more readable and easier to maintain if dma_data stores pointers to both HOST and LINK stream. DAI BE operations can refer to the LINK stream with data->link_stream, similarly to how DAI FE operations access the HOST stream with data->host_stream. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-8-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/pcm.c | 40 +++++++++++++++++++-------------------- 1 file changed, 19 insertions(+), 21 deletions(-) diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index d4557b7b1c6c..168e16e82116 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -23,13 +23,12 @@ struct avs_dma_data { struct avs_tplg_path_template *template; struct avs_path *path; struct avs_dev *adev; - /* - * link stream is stored within substream's runtime - * private_data to fulfill the needs of codec BE path - * - * host stream assigned - */ - struct hdac_ext_stream *host_stream; + + /* LINK-stream utilized in BE operations while HOST in FE ones. */ + union { + struct hdac_ext_stream *link_stream; + struct hdac_ext_stream *host_stream; + }; struct snd_pcm_substream *substream; }; @@ -263,6 +262,7 @@ static int avs_dai_hda_be_startup(struct snd_pcm_substream *substream, struct sn { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct hdac_ext_stream *link_stream; + struct avs_dma_data *data; struct hda_codec *codec; int ret; @@ -278,18 +278,18 @@ static int avs_dai_hda_be_startup(struct snd_pcm_substream *substream, struct sn return -EBUSY; } + data = snd_soc_dai_get_dma_data(dai, substream); + data->link_stream = link_stream; substream->runtime->private_data = link_stream; return 0; } static void avs_dai_hda_be_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct hdac_ext_stream *link_stream; + struct avs_dma_data *data = snd_soc_dai_get_dma_data(dai, substream); - link_stream = substream->runtime->private_data; - snd_hdac_ext_stream_release(link_stream, HDAC_EXT_STREAM_TYPE_LINK); + snd_hdac_ext_stream_release(data->link_stream, HDAC_EXT_STREAM_TYPE_LINK); substream->runtime->private_data = NULL; - avs_dai_shutdown(substream, dai); } @@ -297,16 +297,13 @@ static int avs_dai_hda_be_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params, struct snd_soc_dai *dai) { struct avs_dma_data *data; - struct hdac_ext_stream *link_stream; data = snd_soc_dai_get_dma_data(dai, substream); if (data->path) return 0; - link_stream = substream->runtime->private_data; - return avs_dai_be_hw_params(substream, hw_params, dai, - hdac_stream(link_stream)->stream_tag - 1); + hdac_stream(data->link_stream)->stream_tag - 1); } static int avs_dai_hda_be_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) @@ -323,7 +320,7 @@ static int avs_dai_hda_be_hw_free(struct snd_pcm_substream *substream, struct sn if (!data->path) return 0; - link_stream = substream->runtime->private_data; + link_stream = data->link_stream; link_stream->link_prepared = false; avs_path_free(data->path); data->path = NULL; @@ -347,13 +344,16 @@ static int avs_dai_hda_be_prepare(struct snd_pcm_substream *substream, struct sn struct snd_soc_pcm_stream *stream_info; struct hdac_ext_stream *link_stream; struct hdac_ext_link *link; + struct avs_dma_data *data; struct hda_codec *codec; struct hdac_bus *bus; unsigned int format_val; unsigned int bits; int ret; - link_stream = runtime->private_data; + data = snd_soc_dai_get_dma_data(dai, substream); + link_stream = data->link_stream; + if (link_stream->link_prepared) return 0; @@ -387,14 +387,12 @@ static int avs_dai_hda_be_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct hdac_ext_stream *link_stream; struct avs_dma_data *data; int ret = 0; dev_dbg(dai->dev, "entry %s cmd=%d\n", __func__, cmd); data = snd_soc_dai_get_dma_data(dai, substream); - link_stream = substream->runtime->private_data; switch (cmd) { case SNDRV_PCM_TRIGGER_RESUME: @@ -403,7 +401,7 @@ static int avs_dai_hda_be_trigger(struct snd_pcm_substream *substream, int cmd, fallthrough; case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - snd_hdac_ext_stream_start(link_stream); + snd_hdac_ext_stream_start(data->link_stream); ret = avs_path_pause(data->path); if (ret < 0) { @@ -426,7 +424,7 @@ static int avs_dai_hda_be_trigger(struct snd_pcm_substream *substream, int cmd, if (ret < 0) dev_err(dai->dev, "pause BE path failed: %d\n", ret); - snd_hdac_ext_stream_clear(link_stream); + snd_hdac_ext_stream_clear(data->link_stream); ret = avs_path_reset(data->path); if (ret < 0) From e85e75b67993c1fb0c80306783c31266261170d4 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 26 Apr 2024 11:57:33 +0200 Subject: [PATCH 8/8] ASoC: Intel: avs: Clean up hw constraints initialization Provide a separate function that initializes all PCM hardware constraints for the driver. No functional changes. Signed-off-by: Cezary Rojewski Link: https://lore.kernel.org/r/20240426095733.3946951-9-cezary.rojewski@intel.com Signed-off-by: Mark Brown --- sound/soc/intel/avs/pcm.c | 88 ++++++++++++++++++++------------------- 1 file changed, 46 insertions(+), 42 deletions(-) diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index 168e16e82116..845b5ed9eb1b 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -448,19 +448,6 @@ static const struct snd_soc_dai_ops avs_dai_hda_be_ops = { .trigger = avs_dai_hda_be_trigger, }; -static const unsigned int rates[] = { - 8000, 11025, 12000, 16000, - 22050, 24000, 32000, 44100, - 48000, 64000, 88200, 96000, - 128000, 176400, 192000, -}; - -static const struct snd_pcm_hw_constraint_list hw_rates = { - .count = ARRAY_SIZE(rates), - .list = rates, - .mask = 0, -}; - static int hw_rule_param_size(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { struct snd_interval *interval = hw_param_interval(params, rule->var); @@ -481,14 +468,56 @@ static int hw_rule_param_size(struct snd_pcm_hw_params *params, struct snd_pcm_h return snd_interval_refine(interval, &to); } -static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +static int avs_pcm_hw_constraints_init(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; + static const unsigned int rates[] = { + 8000, 11025, 12000, 16000, + 22050, 24000, 32000, 44100, + 48000, 64000, 88200, 96000, + 128000, 176400, 192000, + }; + static const struct snd_pcm_hw_constraint_list rate_list = { + .count = ARRAY_SIZE(rates), + .list = rates, + }; + int ret; + + ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + if (ret < 0) + return ret; + + /* Avoid wrap-around with wall-clock. */ + ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME, 20, 178000000); + if (ret < 0) + return ret; + + ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &rate_list); + if (ret < 0) + return ret; + + /* Adjust buffer and period size based on the audio format. */ + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, hw_rule_param_size, NULL, + SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_CHANNELS, + SNDRV_PCM_HW_PARAM_RATE, -1); + snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, hw_rule_param_size, NULL, + SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_CHANNELS, + SNDRV_PCM_HW_PARAM_RATE, -1); + + return ret; +} + +static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct hdac_ext_stream *host_stream; struct avs_dma_data *data; struct hdac_bus *bus; - struct hdac_ext_stream *host_stream; int ret; + ret = avs_pcm_hw_constraints_init(substream); + if (ret) + return ret; + ret = avs_dai_startup(substream, dai); if (ret) return ret; @@ -498,42 +527,17 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so host_stream = snd_hdac_ext_stream_assign(bus, substream, HDAC_EXT_STREAM_TYPE_HOST); if (!host_stream) { - ret = -EBUSY; - goto err; + avs_dai_shutdown(substream, dai); + return -EBUSY; } data->host_stream = host_stream; - ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); - if (ret < 0) - goto err; - - /* avoid wrap-around with wall-clock */ - ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME, 20, 178000000); - if (ret < 0) - goto err; - - ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_rates); - if (ret < 0) - goto err; - - /* Adjust buffer and period size based on the audio format. */ - snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, hw_rule_param_size, NULL, - SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_CHANNELS, - SNDRV_PCM_HW_PARAM_RATE, -1); - snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, hw_rule_param_size, NULL, - SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_CHANNELS, - SNDRV_PCM_HW_PARAM_RATE, -1); - snd_pcm_set_sync(substream); dev_dbg(dai->dev, "%s fe STARTUP tag %d str %p", __func__, hdac_stream(host_stream)->stream_tag, substream); return 0; - -err: - kfree(data); - return ret; } static void avs_dai_fe_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)