diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 6165db92a629..5a60633a196c 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -937,6 +937,16 @@ config SND_SOC_HDAC_HDA tristate select SND_HDA +config SND_SOC_HDA + tristate "HD-Audio codec driver" + select SND_HDA_EXT_CORE + select SND_HDA + help + This enables HD-Audio codec support in ASoC subsystem. Compared + to SND_SOC_HDAC_HDA, driver's behavior is identical to HD-Audio + legacy solution - including the dynamic resource allocation + based on actual codec capabilities. + config SND_SOC_ICS43432 tristate "ICS43423 and compatible i2s microphones" diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 28dc4edfd01f..d32026ae326f 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -106,6 +106,7 @@ snd-soc-es8328-spi-objs := es8328-spi.o snd-soc-gtm601-objs := gtm601.o snd-soc-hdac-hdmi-objs := hdac_hdmi.o snd-soc-hdac-hda-objs := hdac_hda.o +snd-soc-hda-codec-objs := hda.o hda-dai.o snd-soc-ics43432-objs := ics43432.o snd-soc-inno-rk3036-objs := inno_rk3036.o snd-soc-isabelle-objs := isabelle.o @@ -458,6 +459,7 @@ obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o obj-$(CONFIG_SND_SOC_GTM601) += snd-soc-gtm601.o obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-soc-hdac-hdmi.o obj-$(CONFIG_SND_SOC_HDAC_HDA) += snd-soc-hdac-hda.o +obj-$(CONFIG_SND_SOC_HDA) += snd-soc-hda-codec.o obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o obj-$(CONFIG_SND_SOC_INNO_RK3036) += snd-soc-inno-rk3036.o obj-$(CONFIG_SND_SOC_ISABELLE) += snd-soc-isabelle.o diff --git a/sound/soc/codecs/hda-dai.c b/sound/soc/codecs/hda-dai.c new file mode 100644 index 000000000000..5371ff086261 --- /dev/null +++ b/sound/soc/codecs/hda-dai.c @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright(c) 2021-2022 Intel Corporation. All rights reserved. +// +// Author: Cezary Rojewski +// + +#include +#include +#include "hda.h" + +static int hda_codec_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct hda_pcm_stream *stream_info; + struct hda_codec *codec; + struct hda_pcm *pcm; + int ret; + + codec = dev_to_hda_codec(dai->dev); + stream_info = snd_soc_dai_get_dma_data(dai, substream); + pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]); + + dev_dbg(dai->dev, "open stream codec: %08x, info: %p, pcm: %p %s substream: %p\n", + codec->core.vendor_id, stream_info, pcm, pcm->name, substream); + + snd_hda_codec_pcm_get(pcm); + + ret = stream_info->ops.open(stream_info, codec, substream); + if (ret < 0) { + dev_err(dai->dev, "codec open failed: %d\n", ret); + snd_hda_codec_pcm_put(pcm); + return ret; + } + + return 0; +} + +static void hda_codec_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct hda_pcm_stream *stream_info; + struct hda_codec *codec; + struct hda_pcm *pcm; + int ret; + + codec = dev_to_hda_codec(dai->dev); + stream_info = snd_soc_dai_get_dma_data(dai, substream); + pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]); + + dev_dbg(dai->dev, "close stream codec: %08x, info: %p, pcm: %p %s substream: %p\n", + codec->core.vendor_id, stream_info, pcm, pcm->name, substream); + + ret = stream_info->ops.close(stream_info, codec, substream); + if (ret < 0) + dev_err(dai->dev, "codec close failed: %d\n", ret); + + snd_hda_codec_pcm_put(pcm); +} + +static int hda_codec_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct hda_pcm_stream *stream_info; + struct hda_codec *codec; + + codec = dev_to_hda_codec(dai->dev); + stream_info = snd_soc_dai_get_dma_data(dai, substream); + + snd_hda_codec_cleanup(codec, stream_info, substream); + + return 0; +} + +static int hda_codec_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct hda_pcm_stream *stream_info; + struct hdac_stream *stream; + struct hda_codec *codec; + unsigned int format; + int ret; + + codec = dev_to_hda_codec(dai->dev); + stream = substream->runtime->private_data; + stream_info = snd_soc_dai_get_dma_data(dai, substream); + format = snd_hdac_calc_stream_format(runtime->rate, runtime->channels, runtime->format, + runtime->sample_bits, 0); + + ret = snd_hda_codec_prepare(codec, stream_info, stream->stream_tag, format, substream); + if (ret < 0) { + dev_err(dai->dev, "codec prepare failed: %d\n", ret); + return ret; + } + + return 0; +} + +const struct snd_soc_dai_ops snd_soc_hda_codec_dai_ops = { + .startup = hda_codec_dai_startup, + .shutdown = hda_codec_dai_shutdown, + .hw_free = hda_codec_dai_hw_free, + .prepare = hda_codec_dai_prepare, +}; +EXPORT_SYMBOL_GPL(snd_soc_hda_codec_dai_ops); diff --git a/sound/soc/codecs/hda.c b/sound/soc/codecs/hda.c new file mode 100644 index 000000000000..edcb8bc6806b --- /dev/null +++ b/sound/soc/codecs/hda.c @@ -0,0 +1,395 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright(c) 2021-2022 Intel Corporation. All rights reserved. +// +// Author: Cezary Rojewski +// + +#include +#include +#include +#include +#include +#include +#include "hda.h" + +static int hda_codec_create_dais(struct hda_codec *codec, int pcm_count, + struct snd_soc_dai_driver **drivers) +{ + struct device *dev = &codec->core.dev; + struct snd_soc_dai_driver *drvs; + struct hda_pcm *pcm; + int i; + + drvs = devm_kcalloc(dev, pcm_count, sizeof(*drvs), GFP_KERNEL); + if (!drvs) + return -ENOMEM; + + pcm = list_first_entry(&codec->pcm_list_head, struct hda_pcm, list); + + for (i = 0; i < pcm_count; i++, pcm = list_next_entry(pcm, list)) { + struct snd_soc_pcm_stream *stream; + int dir; + + dev_info(dev, "creating for %s %d\n", pcm->name, i); + drvs[i].id = i; + drvs[i].name = pcm->name; + drvs[i].ops = &snd_soc_hda_codec_dai_ops; + + dir = SNDRV_PCM_STREAM_PLAYBACK; + stream = &drvs[i].playback; + if (!pcm->stream[dir].substreams) { + dev_info(dev, "skipping playback dai for %s\n", pcm->name); + goto capture_dais; + } + + stream->stream_name = + devm_kasprintf(dev, GFP_KERNEL, "%s %s", pcm->name, + snd_pcm_direction_name(dir)); + if (!stream->stream_name) + return -ENOMEM; + stream->channels_min = pcm->stream[dir].channels_min; + stream->channels_max = pcm->stream[dir].channels_max; + stream->rates = pcm->stream[dir].rates; + stream->formats = pcm->stream[dir].formats; + stream->sig_bits = pcm->stream[dir].maxbps; + +capture_dais: + dir = SNDRV_PCM_STREAM_CAPTURE; + stream = &drvs[i].capture; + if (!pcm->stream[dir].substreams) { + dev_info(dev, "skipping capture dai for %s\n", pcm->name); + continue; + } + + stream->stream_name = + devm_kasprintf(dev, GFP_KERNEL, "%s %s", pcm->name, + snd_pcm_direction_name(dir)); + if (!stream->stream_name) + return -ENOMEM; + stream->channels_min = pcm->stream[dir].channels_min; + stream->channels_max = pcm->stream[dir].channels_max; + stream->rates = pcm->stream[dir].rates; + stream->formats = pcm->stream[dir].formats; + stream->sig_bits = pcm->stream[dir].maxbps; + } + + *drivers = drvs; + return 0; +} + +static int hda_codec_register_dais(struct hda_codec *codec, struct snd_soc_component *component) +{ + struct snd_soc_dai_driver *drvs = NULL; + struct snd_soc_dapm_context *dapm; + struct hda_pcm *pcm; + int ret, pcm_count = 0; + + if (list_empty(&codec->pcm_list_head)) + return -EINVAL; + list_for_each_entry(pcm, &codec->pcm_list_head, list) + pcm_count++; + + ret = hda_codec_create_dais(codec, pcm_count, &drvs); + if (ret < 0) + return ret; + + dapm = snd_soc_component_get_dapm(component); + + list_for_each_entry(pcm, &codec->pcm_list_head, list) { + struct snd_soc_dai *dai; + + dai = snd_soc_register_dai(component, drvs, false); + if (!dai) { + dev_err(component->dev, "register dai for %s failed\n", pcm->name); + return -EINVAL; + } + + ret = snd_soc_dapm_new_dai_widgets(dapm, dai); + if (ret < 0) { + dev_err(component->dev, "create widgets failed: %d\n", ret); + snd_soc_unregister_dai(dai); + return ret; + } + + snd_soc_dai_init_dma_data(dai, &pcm->stream[0], &pcm->stream[1]); + drvs++; + } + + return 0; +} + +static void hda_codec_unregister_dais(struct hda_codec *codec, + struct snd_soc_component *component) +{ + struct snd_soc_dai *dai, *save; + struct hda_pcm *pcm; + + for_each_component_dais_safe(component, dai, save) { + list_for_each_entry(pcm, &codec->pcm_list_head, list) { + if (strcmp(dai->driver->name, pcm->name)) + continue; + + if (dai->playback_widget) + snd_soc_dapm_free_widget(dai->playback_widget); + if (dai->capture_widget) + snd_soc_dapm_free_widget(dai->capture_widget); + snd_soc_unregister_dai(dai); + break; + } + } +} + +int hda_codec_probe_complete(struct hda_codec *codec) +{ + struct hdac_device *hdev = &codec->core; + struct hdac_bus *bus = hdev->bus; + int ret; + + ret = snd_hda_codec_build_controls(codec); + if (ret < 0) { + dev_err(&hdev->dev, "unable to create controls %d\n", ret); + goto out; + } + + /* Bus suspended codecs as it does not manage their pm */ + pm_runtime_set_active(&hdev->dev); + /* rpm was forbidden in snd_hda_codec_device_new() */ + snd_hda_codec_set_power_save(codec, 2000); + snd_hda_codec_register(codec); +out: + /* Complement pm_runtime_get_sync(bus) in probe */ + pm_runtime_mark_last_busy(bus->dev); + pm_runtime_put_autosuspend(bus->dev); + + return ret; +} +EXPORT_SYMBOL_GPL(hda_codec_probe_complete); + +/* Expects codec with usage_count=1 and status=suspended */ +static int hda_codec_probe(struct snd_soc_component *component) +{ + struct hda_codec *codec = dev_to_hda_codec(component->dev); + struct hdac_device *hdev = &codec->core; + struct hdac_bus *bus = hdev->bus; + struct hdac_ext_link *hlink; + hda_codec_patch_t patch; + int ret; + +#ifdef CONFIG_PM + WARN_ON(atomic_read(&hdev->dev.power.usage_count) != 1 || + !pm_runtime_status_suspended(&hdev->dev)); +#endif + + hlink = snd_hdac_ext_bus_link_at(bus, hdev->addr); + if (!hlink) { + dev_err(&hdev->dev, "hdac link not found\n"); + return -EIO; + } + + pm_runtime_get_sync(bus->dev); + if (hda_codec_is_display(codec)) + snd_hdac_display_power(bus, hdev->addr, true); + snd_hdac_ext_bus_link_get(bus, hlink); + + ret = snd_hda_codec_device_new(codec->bus, component->card->snd_card, hdev->addr, codec, + false); + if (ret < 0) { + dev_err(&hdev->dev, "create hda codec failed: %d\n", ret); + goto device_new_err; + } + + ret = snd_hda_codec_set_name(codec, codec->preset->name); + if (ret < 0) { + dev_err(&hdev->dev, "name failed %s\n", codec->preset->name); + goto err; + } + + ret = snd_hdac_regmap_init(&codec->core); + if (ret < 0) { + dev_err(&hdev->dev, "regmap init failed\n"); + goto err; + } + + patch = (hda_codec_patch_t)codec->preset->driver_data; + if (!patch) { + dev_err(&hdev->dev, "no patch specified?\n"); + ret = -EINVAL; + goto err; + } + + ret = patch(codec); + if (ret < 0) { + dev_err(&hdev->dev, "patch failed %d\n", ret); + goto err; + } + + /* configure codec for 1:1 PCM:DAI mapping */ + codec->mst_no_extra_pcms = 1; + + ret = snd_hda_codec_parse_pcms(codec); + if (ret < 0) { + dev_err(&hdev->dev, "unable to map pcms to dai %d\n", ret); + goto parse_pcms_err; + } + + ret = hda_codec_register_dais(codec, component); + if (ret < 0) { + dev_err(&hdev->dev, "update dais failed: %d\n", ret); + goto parse_pcms_err; + } + + if (!hda_codec_is_display(codec)) { + ret = hda_codec_probe_complete(codec); + if (ret < 0) + goto complete_err; + } + + codec->core.lazy_cache = true; + + return 0; + +complete_err: + hda_codec_unregister_dais(codec, component); +parse_pcms_err: + if (codec->patch_ops.free) + codec->patch_ops.free(codec); +err: + snd_hda_codec_cleanup_for_unbind(codec); +device_new_err: + if (hda_codec_is_display(codec)) + snd_hdac_display_power(bus, hdev->addr, false); + + snd_hdac_ext_bus_link_put(bus, hlink); + + pm_runtime_mark_last_busy(bus->dev); + pm_runtime_put_autosuspend(bus->dev); + return ret; +} + +/* Leaves codec with usage_count=1 and status=suspended */ +static void hda_codec_remove(struct snd_soc_component *component) +{ + struct hda_codec *codec = dev_to_hda_codec(component->dev); + struct hdac_device *hdev = &codec->core; + struct hdac_bus *bus = hdev->bus; + struct hdac_ext_link *hlink; + bool was_registered = codec->registered; + + /* Don't allow any more runtime suspends */ + pm_runtime_forbid(&hdev->dev); + + hda_codec_unregister_dais(codec, component); + + if (codec->patch_ops.free) + codec->patch_ops.free(codec); + + snd_hda_codec_cleanup_for_unbind(codec); + pm_runtime_put_noidle(&hdev->dev); + /* snd_hdac_device_exit() is only called on bus remove */ + pm_runtime_set_suspended(&hdev->dev); + + if (hda_codec_is_display(codec)) + snd_hdac_display_power(bus, hdev->addr, false); + + hlink = snd_hdac_ext_bus_link_at(bus, hdev->addr); + if (hlink) + snd_hdac_ext_bus_link_put(bus, hlink); + /* + * HDMI card's hda_codec_probe_complete() (see late_probe()) may + * not be called due to early error, leaving bus uc unbalanced + */ + if (!was_registered) { + pm_runtime_mark_last_busy(bus->dev); + pm_runtime_put_autosuspend(bus->dev); + } + +#ifdef CONFIG_PM + WARN_ON(atomic_read(&hdev->dev.power.usage_count) != 1 || + !pm_runtime_status_suspended(&hdev->dev)); +#endif +} + +static const struct snd_soc_dapm_route 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 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 struct snd_soc_dai_driver card_binder_dai = { + .id = -1, + .name = "codec-probing-DAI", +}; + +static int hda_hdev_attach(struct hdac_device *hdev) +{ + struct hda_codec *codec = dev_to_hda_codec(&hdev->dev); + struct snd_soc_component_driver *comp_drv; + + comp_drv = devm_kzalloc(&hdev->dev, sizeof(*comp_drv), GFP_KERNEL); + if (!comp_drv) + return -ENOMEM; + + /* + * It's save to rely on dev_name() rather than a copy as component + * driver's lifetime is directly tied to hda codec one + */ + comp_drv->name = dev_name(&hdev->dev); + comp_drv->probe = hda_codec_probe; + comp_drv->remove = hda_codec_remove; + comp_drv->idle_bias_on = false; + if (!hda_codec_is_display(codec)) { + comp_drv->dapm_widgets = hda_dapm_widgets; + comp_drv->num_dapm_widgets = ARRAY_SIZE(hda_dapm_widgets); + comp_drv->dapm_routes = hda_dapm_routes; + comp_drv->num_dapm_routes = ARRAY_SIZE(hda_dapm_routes); + } + + return snd_soc_register_component(&hdev->dev, comp_drv, &card_binder_dai, 1); +} + +static int hda_hdev_detach(struct hdac_device *hdev) +{ + struct hda_codec *codec = dev_to_hda_codec(&hdev->dev); + + if (codec->registered) + cancel_delayed_work_sync(&codec->jackpoll_work); + + snd_soc_unregister_component(&hdev->dev); + + return 0; +} + +const struct hdac_ext_bus_ops soc_hda_ext_bus_ops = { + .hdev_attach = hda_hdev_attach, + .hdev_detach = hda_hdev_detach, +}; +EXPORT_SYMBOL_GPL(soc_hda_ext_bus_ops); + +MODULE_DESCRIPTION("HD-Audio codec driver"); +MODULE_AUTHOR("Cezary Rojewski "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/hda.h b/sound/soc/codecs/hda.h new file mode 100644 index 000000000000..78a2be4945b1 --- /dev/null +++ b/sound/soc/codecs/hda.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright(c) 2021-2022 Intel Corporation. All rights reserved. + * + * Author: Cezary Rojewski + */ + +#ifndef SND_SOC_CODECS_HDA_H +#define SND_SOC_CODECS_HDA_H + +#define hda_codec_is_display(codec) \ + ((((codec)->core.vendor_id >> 16) & 0xFFFF) == 0x8086) + +extern const struct snd_soc_dai_ops snd_soc_hda_codec_dai_ops; + +extern const struct hdac_ext_bus_ops soc_hda_ext_bus_ops; +int hda_codec_probe_complete(struct hda_codec *codec); + +#endif