--- /dev/null
+// 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_codec.h>
+#include <sound/hda_register.h>
+#include "hdac_hda.h"
+
+#define HDAC_ANALOG_DAI_ID 0
+#define HDAC_DIGITAL_DAI_ID 1
+#define HDAC_ALT_ANALOG_DAI_ID 2
+
+#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)
+
+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_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai);
+static int hdac_hda_dai_set_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width);
+static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
+ struct snd_soc_dai *dai);
+
+static 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_free = hdac_hda_dai_hw_free,
+ .set_tdm_slot = hdac_hda_dai_set_tdm_slot,
+};
+
+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 int hdac_hda_dai_set_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct snd_soc_component *component = dai->component;
+ struct hdac_hda_priv *hda_pvt;
+ struct hdac_hda_pcm *pcm;
+
+ hda_pvt = snd_soc_component_get_drvdata(component);
+ pcm = &hda_pvt->pcm[dai->id];
+ if (tx_mask)
+ pcm[dai->id].stream_tag[SNDRV_PCM_STREAM_PLAYBACK] = tx_mask;
+ else
+ pcm[dai->id].stream_tag[SNDRV_PCM_STREAM_CAPTURE] = rx_mask;
+
+ 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 hdac_hda_priv *hda_pvt;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct hdac_device *hdev;
+ struct hda_pcm_stream *hda_stream;
+ 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];
+
+ format_val = snd_hdac_calc_stream_format(runtime->rate,
+ runtime->channels,
+ runtime->format,
+ hda_stream->maxbps,
+ 0);
+ if (!format_val) {
+ dev_err(&hdev->dev,
+ "invalid format_val, rate=%d, ch=%d, format=%d\n",
+ runtime->rate, runtime->channels, runtime->format);
+ return -EINVAL;
+ }
+
+ stream = hda_pvt->pcm[dai->id].stream_tag[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;
+ int ret;
+
+ 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];
+
+ ret = hda_stream->ops.open(hda_stream, &hda_pvt->codec, substream);
+ if (ret < 0)
+ snd_hda_codec_pcm_put(pcm);
+
+ return ret;
+}
+
+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;
+
+ 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;
+ 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 (strpbrk(cpcm->name, pcm_name))
+ return cpcm;
+ }
+
+ dev_err(&hcodec->core.dev, "didn't find PCM for DAI %s\n", dai->name);
+ return NULL;
+}
+
+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_link(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);
+
+ ret = snd_hda_codec_device_new(hcodec->bus, component->card->snd_card,
+ hdev->addr, hcodec);
+ if (ret < 0) {
+ dev_err(&hdev->dev, "failed to create hda codec %d\n", ret);
+ goto error_no_pm;
+ }
+
+ /*
+ * 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;
+ }
+
+ ret = snd_hdac_regmap_init(&hcodec->core);
+ if (ret < 0) {
+ dev_err(&hdev->dev, "regmap init failed\n");
+ goto error;
+ }
+
+ 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;
+ }
+ } 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;
+ }
+
+ ret = snd_hda_codec_build_controls(hcodec);
+ if (ret < 0) {
+ dev_err(&hdev->dev, "unable to create controls %d\n", ret);
+ goto error;
+ }
+
+ hcodec->core.lazy_cache = true;
+
+ /*
+ * 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:
+ 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 hdac_ext_link *hlink = NULL;
+
+ hlink = snd_hdac_ext_bus_get_link(hdev->bus, dev_name(&hdev->dev));
+ if (!hlink) {
+ dev_err(&hdev->dev, "hdac link not found\n");
+ return;
+ }
+
+ snd_hdac_ext_bus_link_put(hdev->bus, hlink);
+ pm_runtime_disable(&hdev->dev);
+}
+
+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,
+ .idle_bias_on = false,
+ .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),
+};
+
+static int hdac_hda_dev_probe(struct hdac_device *hdev)
+{
+ struct hdac_ext_link *hlink;
+ struct hdac_hda_priv *hda_pvt;
+ int ret;
+
+ /* hold the ref while we probe */
+ hlink = snd_hdac_ext_bus_get_link(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);
+
+ hda_pvt = hdac_to_hda_priv(hdev);
+ if (!hda_pvt)
+ return -ENOMEM;
+
+ /* ASoC specific initialization */
+ ret = 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;
+ }
+
+ dev_set_drvdata(&hdev->dev, hda_pvt);
+ snd_hdac_ext_bus_link_put(hdev->bus, hlink);
+
+ return ret;
+}
+
+static int hdac_hda_dev_remove(struct hdac_device *hdev)
+{
+ snd_soc_unregister_component(&hdev->dev);
+ 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>");
#include "../skylake/skl.h"
#include "skl_hda_dsp_common.h"
+static const struct snd_soc_dapm_widget skl_hda_widgets[] = {
+ SND_SOC_DAPM_HP("Analog Out", NULL),
+ SND_SOC_DAPM_MIC("Analog In", NULL),
+ SND_SOC_DAPM_HP("Alt Analog Out", NULL),
+ SND_SOC_DAPM_MIC("Alt Analog In", NULL),
+ SND_SOC_DAPM_SPK("Digital Out", NULL),
+ SND_SOC_DAPM_MIC("Digital In", NULL),
+};
+
static const struct snd_soc_dapm_route skl_hda_map[] = {
{ "hifi3", NULL, "iDisp3 Tx"},
{ "iDisp3 Tx", NULL, "iDisp3_out"},
{ "iDisp2 Tx", NULL, "iDisp2_out"},
{ "hifi1", NULL, "iDisp1 Tx"},
{ "iDisp1 Tx", NULL, "iDisp1_out"},
+
+ { "Analog Out", NULL, "Codec Output Pin1" },
+ { "Digital Out", NULL, "Codec Output Pin2" },
+ { "Alt Analog Out", NULL, "Codec Output Pin3" },
+
+ { "Codec Input Pin1", NULL, "Analog In" },
+ { "Codec Input Pin2", NULL, "Digital In" },
+ { "Codec Input Pin3", NULL, "Alt Analog In" },
+
+ /* CODEC BE connections */
+ { "Analog Codec Playback", NULL, "Analog CPU Playback" },
+ { "Analog CPU Playback", NULL, "codec0_out" },
+ { "Digital Codec Playback", NULL, "Digital CPU Playback" },
+ { "Digital CPU Playback", NULL, "codec1_out" },
+ { "Alt Analog Codec Playback", NULL, "Alt Analog CPU Playback" },
+ { "Alt Analog CPU Playback", NULL, "codec2_out" },
+
+ { "codec0_in", NULL, "Analog CPU Capture" },
+ { "Analog CPU Capture", NULL, "Analog Codec Capture" },
+ { "codec1_in", NULL, "Digital CPU Capture" },
+ { "Digital CPU Capture", NULL, "Digital Codec Capture" },
+ { "codec2_in", NULL, "Alt Analog CPU Capture" },
+ { "Alt Analog CPU Capture", NULL, "Alt Analog Codec Capture" },
};
static int skl_hda_card_late_probe(struct snd_soc_card *card)
.name = "skl_hda_card",
.owner = THIS_MODULE,
.dai_link = skl_hda_be_dai_links,
+ .dapm_widgets = skl_hda_widgets,
.dapm_routes = skl_hda_map,
.add_dai_link = skl_hda_add_dai_link,
.fully_routed = true,
if (codec_count == 1 && pdata->codec_mask & IDISP_CODEC_MASK) {
num_links = IDISP_DAI_COUNT;
num_route = IDISP_ROUTE_COUNT;
+ } else if (codec_count == 2 && codec_mask & IDISP_CODEC_MASK) {
+ num_links = ARRAY_SIZE(skl_hda_be_dai_links);
+ num_route = ARRAY_SIZE(skl_hda_map),
+ card->dapm_widgets = skl_hda_widgets;
+ card->num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets);
} else {
return -EINVAL;
}
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