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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/codecs/hdac_hda.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/hdac_hda.c')
-rw-r--r-- | sound/soc/codecs/hdac_hda.c | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/sound/soc/codecs/hdac_hda.c b/sound/soc/codecs/hdac_hda.c new file mode 100644 index 0000000000..d59d38ce56 --- /dev/null +++ b/sound/soc/codecs/hdac_hda.c @@ -0,0 +1,647 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright(c) 2015-18 Intel Corporation. + +/* + * hdac_hda.c - ASoC extensions to reuse the legacy HDA codec drivers + * with ASoC platform drivers. These APIs are called by the legacy HDA + * codec drivers using hdac_ext_bus_ops ops. + */ + +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/hdaudio_ext.h> +#include <sound/hda_i915.h> +#include <sound/hda_codec.h> +#include <sound/hda_register.h> + +#include "hdac_hda.h" + +#define STUB_FORMATS (SNDRV_PCM_FMTBIT_S8 | \ + SNDRV_PCM_FMTBIT_U8 | \ + SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_U16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_U24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE | \ + SNDRV_PCM_FMTBIT_U32_LE | \ + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE) + +#define STUB_HDMI_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ + SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ + SNDRV_PCM_RATE_192000) + +static int hdac_hda_dai_open(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +static void hdac_hda_dai_close(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +static int hdac_hda_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai); +static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); +static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai, void *stream, + int direction); +static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt, + struct snd_soc_dai *dai); + +static const struct snd_soc_dai_ops hdac_hda_dai_ops = { + .startup = hdac_hda_dai_open, + .shutdown = hdac_hda_dai_close, + .prepare = hdac_hda_dai_prepare, + .hw_params = hdac_hda_dai_hw_params, + .hw_free = hdac_hda_dai_hw_free, + .set_stream = hdac_hda_dai_set_stream, +}; + +static struct snd_soc_dai_driver hdac_hda_dais[] = { +{ + .id = HDAC_ANALOG_DAI_ID, + .name = "Analog Codec DAI", + .ops = &hdac_hda_dai_ops, + .playback = { + .stream_name = "Analog Codec Playback", + .channels_min = 1, + .channels_max = 16, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, + .capture = { + .stream_name = "Analog Codec Capture", + .channels_min = 1, + .channels_max = 16, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, +}, +{ + .id = HDAC_DIGITAL_DAI_ID, + .name = "Digital Codec DAI", + .ops = &hdac_hda_dai_ops, + .playback = { + .stream_name = "Digital Codec Playback", + .channels_min = 1, + .channels_max = 16, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, + .capture = { + .stream_name = "Digital Codec Capture", + .channels_min = 1, + .channels_max = 16, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, +}, +{ + .id = HDAC_ALT_ANALOG_DAI_ID, + .name = "Alt Analog Codec DAI", + .ops = &hdac_hda_dai_ops, + .playback = { + .stream_name = "Alt Analog Codec Playback", + .channels_min = 1, + .channels_max = 16, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, + .capture = { + .stream_name = "Alt Analog Codec Capture", + .channels_min = 1, + .channels_max = 16, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, +}, +}; + +static struct snd_soc_dai_driver hdac_hda_hdmi_dais[] = { +{ + .id = HDAC_HDMI_0_DAI_ID, + .name = "intel-hdmi-hifi1", + .ops = &hdac_hda_dai_ops, + .playback = { + .stream_name = "hifi1", + .channels_min = 1, + .channels_max = 32, + .rates = STUB_HDMI_RATES, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, +}, +{ + .id = HDAC_HDMI_1_DAI_ID, + .name = "intel-hdmi-hifi2", + .ops = &hdac_hda_dai_ops, + .playback = { + .stream_name = "hifi2", + .channels_min = 1, + .channels_max = 32, + .rates = STUB_HDMI_RATES, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, +}, +{ + .id = HDAC_HDMI_2_DAI_ID, + .name = "intel-hdmi-hifi3", + .ops = &hdac_hda_dai_ops, + .playback = { + .stream_name = "hifi3", + .channels_min = 1, + .channels_max = 32, + .rates = STUB_HDMI_RATES, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, +}, +{ + .id = HDAC_HDMI_3_DAI_ID, + .name = "intel-hdmi-hifi4", + .ops = &hdac_hda_dai_ops, + .playback = { + .stream_name = "hifi4", + .channels_min = 1, + .channels_max = 32, + .rates = STUB_HDMI_RATES, + .formats = STUB_FORMATS, + .sig_bits = 24, + }, +}, + +}; + +static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai, + void *stream, int direction) +{ + struct snd_soc_component *component = dai->component; + struct hdac_hda_priv *hda_pvt; + struct hdac_hda_pcm *pcm; + struct hdac_stream *hstream; + + if (!stream) + return -EINVAL; + + hda_pvt = snd_soc_component_get_drvdata(component); + pcm = &hda_pvt->pcm[dai->id]; + hstream = (struct hdac_stream *)stream; + + pcm->stream_tag[direction] = hstream->stream_tag; + + return 0; +} + +static int hdac_hda_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct hdac_hda_priv *hda_pvt; + unsigned int format_val; + unsigned int maxbps; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + maxbps = dai->driver->playback.sig_bits; + else + maxbps = dai->driver->capture.sig_bits; + + hda_pvt = snd_soc_component_get_drvdata(component); + format_val = snd_hdac_calc_stream_format(params_rate(params), + params_channels(params), + params_format(params), + maxbps, + 0); + if (!format_val) { + dev_err(dai->dev, + "invalid format_val, rate=%d, ch=%d, format=%d, maxbps=%d\n", + params_rate(params), params_channels(params), + params_format(params), maxbps); + + return -EINVAL; + } + + hda_pvt->pcm[dai->id].format_val[substream->stream] = format_val; + return 0; +} + +static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct hdac_hda_priv *hda_pvt; + struct hda_pcm_stream *hda_stream; + struct hda_pcm *pcm; + + hda_pvt = snd_soc_component_get_drvdata(component); + pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai); + if (!pcm) + return -EINVAL; + + hda_stream = &pcm->stream[substream->stream]; + snd_hda_codec_cleanup(hda_pvt->codec, hda_stream, substream); + + return 0; +} + +static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct hda_pcm_stream *hda_stream; + struct hdac_hda_priv *hda_pvt; + struct hdac_device *hdev; + unsigned int format_val; + struct hda_pcm *pcm; + unsigned int stream; + int ret = 0; + + hda_pvt = snd_soc_component_get_drvdata(component); + hdev = &hda_pvt->codec->core; + pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai); + if (!pcm) + return -EINVAL; + + hda_stream = &pcm->stream[substream->stream]; + + stream = hda_pvt->pcm[dai->id].stream_tag[substream->stream]; + format_val = hda_pvt->pcm[dai->id].format_val[substream->stream]; + + ret = snd_hda_codec_prepare(hda_pvt->codec, hda_stream, + stream, format_val, substream); + if (ret < 0) + dev_err(&hdev->dev, "codec prepare failed %d\n", ret); + + return ret; +} + +static int hdac_hda_dai_open(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct hdac_hda_priv *hda_pvt; + struct hda_pcm_stream *hda_stream; + struct hda_pcm *pcm; + + hda_pvt = snd_soc_component_get_drvdata(component); + pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai); + if (!pcm) + return -EINVAL; + + snd_hda_codec_pcm_get(pcm); + + hda_stream = &pcm->stream[substream->stream]; + + return hda_stream->ops.open(hda_stream, hda_pvt->codec, substream); +} + +static void hdac_hda_dai_close(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct hdac_hda_priv *hda_pvt; + struct hda_pcm_stream *hda_stream; + struct hda_pcm *pcm; + + hda_pvt = snd_soc_component_get_drvdata(component); + pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai); + if (!pcm) + return; + + hda_stream = &pcm->stream[substream->stream]; + + hda_stream->ops.close(hda_stream, hda_pvt->codec, substream); + + snd_hda_codec_pcm_put(pcm); +} + +static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt, + struct snd_soc_dai *dai) +{ + struct hda_codec *hcodec = hda_pvt->codec; + struct hda_pcm *cpcm; + const char *pcm_name; + + /* + * map DAI ID to the closest matching PCM name, using the naming + * scheme used by hda-codec snd_hda_gen_build_pcms() and for + * HDMI in hda_codec patch_hdmi.c) + */ + + switch (dai->id) { + case HDAC_ANALOG_DAI_ID: + pcm_name = "Analog"; + break; + case HDAC_DIGITAL_DAI_ID: + pcm_name = "Digital"; + break; + case HDAC_ALT_ANALOG_DAI_ID: + pcm_name = "Alt Analog"; + break; + case HDAC_HDMI_0_DAI_ID: + pcm_name = "HDMI 0"; + break; + case HDAC_HDMI_1_DAI_ID: + pcm_name = "HDMI 1"; + break; + case HDAC_HDMI_2_DAI_ID: + pcm_name = "HDMI 2"; + break; + case HDAC_HDMI_3_DAI_ID: + pcm_name = "HDMI 3"; + break; + default: + dev_err(&hcodec->core.dev, "invalid dai id %d\n", dai->id); + return NULL; + } + + list_for_each_entry(cpcm, &hcodec->pcm_list_head, list) { + if (strstr(cpcm->name, pcm_name)) { + if (strcmp(pcm_name, "Analog") == 0) { + if (strstr(cpcm->name, "Alt Analog")) + continue; + } + return cpcm; + } + } + + dev_err(&hcodec->core.dev, "didn't find PCM for DAI %s\n", dai->name); + return NULL; +} + +static bool is_hdmi_codec(struct hda_codec *hcodec) +{ + struct hda_pcm *cpcm; + + list_for_each_entry(cpcm, &hcodec->pcm_list_head, list) { + if (cpcm->pcm_type == HDA_PCM_TYPE_HDMI) + return true; + } + + return false; +} + +static int hdac_hda_codec_probe(struct snd_soc_component *component) +{ + struct hdac_hda_priv *hda_pvt = + snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(component); + struct hdac_device *hdev = &hda_pvt->codec->core; + struct hda_codec *hcodec = hda_pvt->codec; + struct hdac_ext_link *hlink; + hda_codec_patch_t patch; + int ret; + + hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev)); + if (!hlink) { + dev_err(&hdev->dev, "hdac link not found\n"); + return -EIO; + } + + snd_hdac_ext_bus_link_get(hdev->bus, hlink); + + /* + * Ensure any HDA display is powered at codec probe. + * After snd_hda_codec_device_new(), display power is + * managed by runtime PM. + */ + if (hda_pvt->need_display_power) + snd_hdac_display_power(hdev->bus, + HDA_CODEC_IDX_CONTROLLER, true); + + ret = snd_hda_codec_device_new(hcodec->bus, component->card->snd_card, + hdev->addr, hcodec, true); + if (ret < 0) { + dev_err(&hdev->dev, "failed to create hda codec %d\n", ret); + goto error_no_pm; + } + /* + * Overwrite type to HDA_DEV_ASOC since it is a ASoC driver + * hda_codec.c will check this flag to determine if unregister + * device is needed. + */ + hdev->type = HDA_DEV_ASOC; + + /* + * snd_hda_codec_device_new decrements the usage count so call get pm + * else the device will be powered off + */ + pm_runtime_get_noresume(&hdev->dev); + + hcodec->bus->card = dapm->card->snd_card; + + ret = snd_hda_codec_set_name(hcodec, hcodec->preset->name); + if (ret < 0) { + dev_err(&hdev->dev, "name failed %s\n", hcodec->preset->name); + goto error_pm; + } + + ret = snd_hdac_regmap_init(&hcodec->core); + if (ret < 0) { + dev_err(&hdev->dev, "regmap init failed\n"); + goto error_pm; + } + + patch = (hda_codec_patch_t)hcodec->preset->driver_data; + if (patch) { + ret = patch(hcodec); + if (ret < 0) { + dev_err(&hdev->dev, "patch failed %d\n", ret); + goto error_regmap; + } + } else { + dev_dbg(&hdev->dev, "no patch file found\n"); + } + + ret = snd_hda_codec_parse_pcms(hcodec); + if (ret < 0) { + dev_err(&hdev->dev, "unable to map pcms to dai %d\n", ret); + goto error_patch; + } + + /* HDMI controls need to be created in machine drivers */ + if (!is_hdmi_codec(hcodec)) { + ret = snd_hda_codec_build_controls(hcodec); + if (ret < 0) { + dev_err(&hdev->dev, "unable to create controls %d\n", + ret); + goto error_patch; + } + } + + hcodec->core.lazy_cache = true; + + if (hda_pvt->need_display_power) + snd_hdac_display_power(hdev->bus, + HDA_CODEC_IDX_CONTROLLER, false); + + /* match for forbid call in snd_hda_codec_device_new() */ + pm_runtime_allow(&hdev->dev); + + /* + * hdac_device core already sets the state to active and calls + * get_noresume. So enable runtime and set the device to suspend. + * pm_runtime_enable is also called during codec registeration + */ + pm_runtime_put(&hdev->dev); + pm_runtime_suspend(&hdev->dev); + + return 0; + +error_patch: + if (hcodec->patch_ops.free) + hcodec->patch_ops.free(hcodec); +error_regmap: + snd_hdac_regmap_exit(hdev); +error_pm: + pm_runtime_put(&hdev->dev); +error_no_pm: + snd_hdac_ext_bus_link_put(hdev->bus, hlink); + return ret; +} + +static void hdac_hda_codec_remove(struct snd_soc_component *component) +{ + struct hdac_hda_priv *hda_pvt = + snd_soc_component_get_drvdata(component); + struct hdac_device *hdev = &hda_pvt->codec->core; + struct hda_codec *codec = hda_pvt->codec; + struct hdac_ext_link *hlink = NULL; + + hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev)); + if (!hlink) { + dev_err(&hdev->dev, "hdac link not found\n"); + return; + } + + pm_runtime_disable(&hdev->dev); + snd_hdac_ext_bus_link_put(hdev->bus, hlink); + + if (codec->patch_ops.free) + codec->patch_ops.free(codec); + + snd_hda_codec_cleanup_for_unbind(codec); +} + +static const struct snd_soc_dapm_route hdac_hda_dapm_routes[] = { + {"AIF1TX", NULL, "Codec Input Pin1"}, + {"AIF2TX", NULL, "Codec Input Pin2"}, + {"AIF3TX", NULL, "Codec Input Pin3"}, + + {"Codec Output Pin1", NULL, "AIF1RX"}, + {"Codec Output Pin2", NULL, "AIF2RX"}, + {"Codec Output Pin3", NULL, "AIF3RX"}, +}; + +static const struct snd_soc_dapm_widget hdac_hda_dapm_widgets[] = { + /* Audio Interface */ + SND_SOC_DAPM_AIF_IN("AIF1RX", "Analog Codec Playback", 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("AIF2RX", "Digital Codec Playback", 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("AIF3RX", "Alt Analog Codec Playback", 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF1TX", "Analog Codec Capture", 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF2TX", "Digital Codec Capture", 0, + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("AIF3TX", "Alt Analog Codec Capture", 0, + SND_SOC_NOPM, 0, 0), + + /* Input Pins */ + SND_SOC_DAPM_INPUT("Codec Input Pin1"), + SND_SOC_DAPM_INPUT("Codec Input Pin2"), + SND_SOC_DAPM_INPUT("Codec Input Pin3"), + + /* Output Pins */ + SND_SOC_DAPM_OUTPUT("Codec Output Pin1"), + SND_SOC_DAPM_OUTPUT("Codec Output Pin2"), + SND_SOC_DAPM_OUTPUT("Codec Output Pin3"), +}; + +static const struct snd_soc_component_driver hdac_hda_codec = { + .probe = hdac_hda_codec_probe, + .remove = hdac_hda_codec_remove, + .dapm_widgets = hdac_hda_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(hdac_hda_dapm_widgets), + .dapm_routes = hdac_hda_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(hdac_hda_dapm_routes), + .idle_bias_on = false, + .endianness = 1, +}; + +static const struct snd_soc_component_driver hdac_hda_hdmi_codec = { + .probe = hdac_hda_codec_probe, + .remove = hdac_hda_codec_remove, + .idle_bias_on = false, + .endianness = 1, +}; + +static int hdac_hda_dev_probe(struct hdac_device *hdev) +{ + struct hdac_hda_priv *hda_pvt = dev_get_drvdata(&hdev->dev); + struct hdac_ext_link *hlink; + int ret; + + /* hold the ref while we probe */ + hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev)); + if (!hlink) { + dev_err(&hdev->dev, "hdac link not found\n"); + return -EIO; + } + snd_hdac_ext_bus_link_get(hdev->bus, hlink); + + /* ASoC specific initialization */ + if (hda_pvt->need_display_power) + ret = devm_snd_soc_register_component(&hdev->dev, + &hdac_hda_hdmi_codec, hdac_hda_hdmi_dais, + ARRAY_SIZE(hdac_hda_hdmi_dais)); + else + ret = devm_snd_soc_register_component(&hdev->dev, + &hdac_hda_codec, hdac_hda_dais, + ARRAY_SIZE(hdac_hda_dais)); + + if (ret < 0) { + dev_err(&hdev->dev, "failed to register HDA codec %d\n", ret); + return ret; + } + + snd_hdac_ext_bus_link_put(hdev->bus, hlink); + + return ret; +} + +static int hdac_hda_dev_remove(struct hdac_device *hdev) +{ + /* + * Resources are freed in hdac_hda_codec_remove(). This + * function is kept to keep hda_codec_driver_remove() happy. + */ + return 0; +} + +static struct hdac_ext_bus_ops hdac_ops = { + .hdev_attach = hdac_hda_dev_probe, + .hdev_detach = hdac_hda_dev_remove, +}; + +struct hdac_ext_bus_ops *snd_soc_hdac_hda_get_ops(void) +{ + return &hdac_ops; +} +EXPORT_SYMBOL_GPL(snd_soc_hdac_hda_get_ops); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("ASoC Extensions for legacy HDA Drivers"); +MODULE_AUTHOR("Rakesh Ughreja<rakesh.a.ughreja@intel.com>"); |