Move Intel SoundWire generic machine driver soc ops to common place so that it can be used by other platform machine driver. Link: https://github.com/thesofproject/linux/pull/5068 Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx> Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> --- include/sound/soc_sdw_utils.h | 23 ++++ sound/soc/Kconfig | 2 + sound/soc/Makefile | 1 + sound/soc/intel/boards/Kconfig | 1 + sound/soc/intel/boards/sof_sdw.c | 131 +-------------------- sound/soc/intel/boards/sof_sdw_common.h | 9 +- sound/soc/sdw_utils/Kconfig | 6 + sound/soc/sdw_utils/Makefile | 3 + sound/soc/sdw_utils/soc_sdw_utils.c | 150 ++++++++++++++++++++++++ 9 files changed, 188 insertions(+), 138 deletions(-) create mode 100644 include/sound/soc_sdw_utils.h create mode 100644 sound/soc/sdw_utils/Kconfig create mode 100644 sound/soc/sdw_utils/Makefile create mode 100644 sound/soc/sdw_utils/soc_sdw_utils.c diff --git a/include/sound/soc_sdw_utils.h b/include/sound/soc_sdw_utils.h new file mode 100644 index 000000000000..cf4cdb66b2de --- /dev/null +++ b/include/sound/soc_sdw_utils.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * This file incorporates work covered by the following copyright notice: + * Copyright (c) 2020 Intel Corporation + * Copyright(c) 2024 Advanced Micro Devices, Inc. + * + */ + +#ifndef SOC_SDW_UTILS_H +#define SOC_SDW_UTILS_H + +#include <sound/soc.h> + +int asoc_sdw_startup(struct snd_pcm_substream *substream); +int asoc_sdw_prepare(struct snd_pcm_substream *substream); +int asoc_sdw_prepare(struct snd_pcm_substream *substream); +int asoc_sdw_trigger(struct snd_pcm_substream *substream, int cmd); +int asoc_sdw_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params); +int asoc_sdw_hw_free(struct snd_pcm_substream *substream); +void asoc_sdw_shutdown(struct snd_pcm_substream *substream); + +#endif diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig index a52afb423b46..e87bd15a8b43 100644 --- a/sound/soc/Kconfig +++ b/sound/soc/Kconfig @@ -126,6 +126,8 @@ source "sound/soc/xtensa/Kconfig" # Supported codecs source "sound/soc/codecs/Kconfig" +source "sound/soc/sdw_utils/Kconfig" + # generic frame-work source "sound/soc/generic/Kconfig" diff --git a/sound/soc/Makefile b/sound/soc/Makefile index fd61847dd1eb..775bb38c2ed4 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -75,3 +75,4 @@ obj-$(CONFIG_SND_SOC) += uniphier/ obj-$(CONFIG_SND_SOC) += ux500/ obj-$(CONFIG_SND_SOC) += xilinx/ obj-$(CONFIG_SND_SOC) += xtensa/ +obj-$(CONFIG_SND_SOC) += sdw_utils/ diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig index f1faa5dd2a4f..3d59d6982763 100644 --- a/sound/soc/intel/boards/Kconfig +++ b/sound/soc/intel/boards/Kconfig @@ -656,6 +656,7 @@ config SND_SOC_INTEL_SOUNDWIRE_SOF_MACH depends on MFD_INTEL_LPSS || COMPILE_TEST depends on SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES || COMPILE_TEST depends on SOUNDWIRE + select SND_SOC_SDW_UTILS select SND_SOC_MAX98363 select SND_SOC_MAX98373_I2C select SND_SOC_MAX98373_SDW diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 28021d33fd2d..fc73db4af186 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -11,7 +11,6 @@ #include <linux/module.h> #include <linux/soundwire/sdw.h> #include <linux/soundwire/sdw_type.h> -#include <sound/soc.h> #include <sound/soc-acpi.h> #include "sof_sdw_common.h" #include "../../codecs/rt711.h" @@ -593,135 +592,6 @@ static const struct snd_kcontrol_new rt700_controls[] = { SOC_DAPM_PIN_SWITCH("Speaker"), }; -/* these wrappers are only needed to avoid typecast compilation errors */ -int asoc_sdw_startup(struct snd_pcm_substream *substream) -{ - return sdw_startup_stream(substream); -} - -int asoc_sdw_prepare(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct sdw_stream_runtime *sdw_stream; - struct snd_soc_dai *dai; - - /* Find stream from first CPU DAI */ - dai = snd_soc_rtd_to_cpu(rtd, 0); - - sdw_stream = snd_soc_dai_get_stream(dai, substream->stream); - if (IS_ERR(sdw_stream)) { - dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name); - return PTR_ERR(sdw_stream); - } - - return sdw_prepare_stream(sdw_stream); -} - -int asoc_sdw_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct sdw_stream_runtime *sdw_stream; - struct snd_soc_dai *dai; - int ret; - - /* Find stream from first CPU DAI */ - dai = snd_soc_rtd_to_cpu(rtd, 0); - - sdw_stream = snd_soc_dai_get_stream(dai, substream->stream); - if (IS_ERR(sdw_stream)) { - dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name); - return PTR_ERR(sdw_stream); - } - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - case SNDRV_PCM_TRIGGER_RESUME: - ret = sdw_enable_stream(sdw_stream); - break; - - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_STOP: - ret = sdw_disable_stream(sdw_stream); - break; - default: - ret = -EINVAL; - break; - } - - if (ret) - dev_err(rtd->dev, "%s trigger %d failed: %d\n", __func__, cmd, ret); - - return ret; -} - -int asoc_sdw_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct snd_soc_dai_link_ch_map *ch_maps; - int ch = params_channels(params); - unsigned int ch_mask; - int num_codecs; - int step; - int i; - - if (!rtd->dai_link->ch_maps) - return 0; - - /* Identical data will be sent to all codecs in playback */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - ch_mask = GENMASK(ch - 1, 0); - step = 0; - } else { - num_codecs = rtd->dai_link->num_codecs; - - if (ch < num_codecs || ch % num_codecs != 0) { - dev_err(rtd->dev, "Channels number %d is invalid when codec number = %d\n", - ch, num_codecs); - return -EINVAL; - } - - ch_mask = GENMASK(ch / num_codecs - 1, 0); - step = hweight_long(ch_mask); - - } - - /* - * The captured data will be combined from each cpu DAI if the dai - * link has more than one codec DAIs. Set codec channel mask and - * ASoC will set the corresponding channel numbers for each cpu dai. - */ - for_each_link_ch_maps(rtd->dai_link, i, ch_maps) - ch_maps->ch_mask = ch_mask << (i * step); - - return 0; -} - -int asoc_sdw_hw_free(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct sdw_stream_runtime *sdw_stream; - struct snd_soc_dai *dai; - - /* Find stream from first CPU DAI */ - dai = snd_soc_rtd_to_cpu(rtd, 0); - - sdw_stream = snd_soc_dai_get_stream(dai, substream->stream); - if (IS_ERR(sdw_stream)) { - dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name); - return PTR_ERR(sdw_stream); - } - - return sdw_deprepare_stream(sdw_stream); -} - -void asoc_sdw_shutdown(struct snd_pcm_substream *substream) -{ - sdw_shutdown_stream(substream); -} - static const struct snd_soc_ops sdw_ops = { .startup = asoc_sdw_startup, .prepare = asoc_sdw_prepare, @@ -2232,3 +2102,4 @@ MODULE_AUTHOR("Rander Wang <rander.wang@xxxxxxxxxxxxxxx>"); MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>"); MODULE_LICENSE("GPL v2"); MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON); +MODULE_IMPORT_NS(SND_SOC_SDW_UTILS); diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h index c1b58180efe5..d97aedeef9e8 100644 --- a/sound/soc/intel/boards/sof_sdw_common.h +++ b/sound/soc/intel/boards/sof_sdw_common.h @@ -12,6 +12,7 @@ #include <linux/bits.h> #include <linux/types.h> #include <sound/soc.h> +#include <sound/soc_sdw_utils.h> #include "sof_hdmi_common.h" #define SOC_SDW_MAX_NO_PROPS 2 @@ -134,14 +135,6 @@ struct mc_private { extern unsigned long sof_sdw_quirk; -int asoc_sdw_startup(struct snd_pcm_substream *substream); -int asoc_sdw_prepare(struct snd_pcm_substream *substream); -int asoc_sdw_trigger(struct snd_pcm_substream *substream, int cmd); -int asoc_sdw_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params); -int asoc_sdw_hw_free(struct snd_pcm_substream *substream); -void asoc_sdw_shutdown(struct snd_pcm_substream *substream); - /* generic HDMI support */ int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd); diff --git a/sound/soc/sdw_utils/Kconfig b/sound/soc/sdw_utils/Kconfig new file mode 100644 index 000000000000..d915083c3889 --- /dev/null +++ b/sound/soc/sdw_utils/Kconfig @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0-only +config SND_SOC_SDW_UTILS + tristate + help + This option enables to use SoundWire common helper functions and + SoundWire codec helper functions in machine driver. diff --git a/sound/soc/sdw_utils/Makefile b/sound/soc/sdw_utils/Makefile new file mode 100644 index 000000000000..29b2852be287 --- /dev/null +++ b/sound/soc/sdw_utils/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only +snd-soc-sdw-utils-y := soc_sdw_utils.o +obj-$(CONFIG_SND_SOC_SDW_UTILS) += snd-soc-sdw-utils.o diff --git a/sound/soc/sdw_utils/soc_sdw_utils.c b/sound/soc/sdw_utils/soc_sdw_utils.c new file mode 100644 index 000000000000..cccab173fd17 --- /dev/null +++ b/sound/soc/sdw_utils/soc_sdw_utils.c @@ -0,0 +1,150 @@ +// SPDX-License-Identifier: GPL-2.0-only +// This file incorporates work covered by the following copyright notice: +// Copyright (c) 2020 Intel Corporation +// Copyright(c) 2024 Advanced Micro Devices, Inc. +/* + * soc-sdw-utils.c - common SoundWire machine driver helper functions + */ + +#include <linux/device.h> +#include <linux/module.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_type.h> +#include <sound/soc_sdw_utils.h> + +/* these wrappers are only needed to avoid typecast compilation errors */ +int asoc_sdw_startup(struct snd_pcm_substream *substream) +{ + return sdw_startup_stream(substream); +} +EXPORT_SYMBOL_NS(asoc_sdw_startup, SND_SOC_SDW_UTILS); + +int asoc_sdw_prepare(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct sdw_stream_runtime *sdw_stream; + struct snd_soc_dai *dai; + + /* Find stream from first CPU DAI */ + dai = snd_soc_rtd_to_cpu(rtd, 0); + + sdw_stream = snd_soc_dai_get_stream(dai, substream->stream); + if (IS_ERR(sdw_stream)) { + dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name); + return PTR_ERR(sdw_stream); + } + + return sdw_prepare_stream(sdw_stream); +} +EXPORT_SYMBOL_NS(asoc_sdw_prepare, SND_SOC_SDW_UTILS); + +int asoc_sdw_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct sdw_stream_runtime *sdw_stream; + struct snd_soc_dai *dai; + int ret; + + /* Find stream from first CPU DAI */ + dai = snd_soc_rtd_to_cpu(rtd, 0); + + sdw_stream = snd_soc_dai_get_stream(dai, substream->stream); + if (IS_ERR(sdw_stream)) { + dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name); + return PTR_ERR(sdw_stream); + } + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: + ret = sdw_enable_stream(sdw_stream); + break; + + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_STOP: + ret = sdw_disable_stream(sdw_stream); + break; + default: + ret = -EINVAL; + break; + } + + if (ret) + dev_err(rtd->dev, "%s trigger %d failed: %d\n", __func__, cmd, ret); + + return ret; +} +EXPORT_SYMBOL_NS(asoc_sdw_trigger, SND_SOC_SDW_UTILS); + +int asoc_sdw_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct snd_soc_dai_link_ch_map *ch_maps; + int ch = params_channels(params); + unsigned int ch_mask; + int num_codecs; + int step; + int i; + + if (!rtd->dai_link->ch_maps) + return 0; + + /* Identical data will be sent to all codecs in playback */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + ch_mask = GENMASK(ch - 1, 0); + step = 0; + } else { + num_codecs = rtd->dai_link->num_codecs; + + if (ch < num_codecs || ch % num_codecs != 0) { + dev_err(rtd->dev, "Channels number %d is invalid when codec number = %d\n", + ch, num_codecs); + return -EINVAL; + } + + ch_mask = GENMASK(ch / num_codecs - 1, 0); + step = hweight_long(ch_mask); + } + + /* + * The captured data will be combined from each cpu DAI if the dai + * link has more than one codec DAIs. Set codec channel mask and + * ASoC will set the corresponding channel numbers for each cpu dai. + */ + for_each_link_ch_maps(rtd->dai_link, i, ch_maps) + ch_maps->ch_mask = ch_mask << (i * step); + + return 0; +} +EXPORT_SYMBOL_NS(asoc_sdw_hw_params, SND_SOC_SDW_UTILS); + +int asoc_sdw_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct sdw_stream_runtime *sdw_stream; + struct snd_soc_dai *dai; + + /* Find stream from first CPU DAI */ + dai = snd_soc_rtd_to_cpu(rtd, 0); + + sdw_stream = snd_soc_dai_get_stream(dai, substream->stream); + if (IS_ERR(sdw_stream)) { + dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name); + return PTR_ERR(sdw_stream); + } + + return sdw_deprepare_stream(sdw_stream); +} +EXPORT_SYMBOL_NS(asoc_sdw_hw_free, SND_SOC_SDW_UTILS); + +void asoc_sdw_shutdown(struct snd_pcm_substream *substream) +{ + sdw_shutdown_stream(substream); +} +EXPORT_SYMBOL_NS(asoc_sdw_shutdown, SND_SOC_SDW_UTILS); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("SoundWire ASoC helpers"); -- 2.34.1
