@@ -28,6 +28,484 @@
#include "../../pci/hda/hda_codec.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)
+
+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 *hparams, 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_params = hdac_hda_dai_hw_params,
+ .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[] = {
+{
+ .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,
+ },
+},
+{
+ .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,
+ },
+}
+};
+
+static int hdac_codec_match(struct hdac_device *hdev, struct hdac_driver *drv)
+{
+ struct hda_codec *codec = hdac_to_hda_codec(hdev);
+ const struct hda_device_id *list;
+ u32 id, rev_id;
+
+ if (!codec) {
+ dev_err(&hdev->dev, "%p\n", codec);
+ return 0;
+ }
+
+ /* check probe_id instead of vendor_id if set */
+ id = codec->probe_id ? codec->probe_id : codec->core.vendor_id;
+ rev_id = codec->core.revision_id;
+
+ dev_dbg(&hdev->dev, "%s: probe_id=0x%x and vendor_id=0x%x\n",
+ __func__, codec->probe_id, codec->core.vendor_id);
+
+ for (list = drv->id_table; list->vendor_id; list++) {
+ if (list->vendor_id == id &&
+ (!list->rev_id || list->rev_id == rev_id)) {
+ codec->preset = list;
+ dev_dbg(&hdev->dev, "found patch file %x\n", id);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+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 hdac_hda_priv *hda_pvt = snd_soc_dai_get_drvdata(dai);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+
+ hda_pvt->stream_tag = tx_mask;
+ dev_dbg(&hdev->dev, "%s: strm_tag: %d\n", __func__,
+ hda_pvt->stream_tag);
+ return 0;
+}
+
+static int hdac_hda_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai)
+{
+ struct hdac_hda_priv *hda_pvt = snd_soc_dai_get_drvdata(dai);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+
+ dev_dbg(&hdev->dev, "%s: entry\n", __func__);
+
+ /*
+ * TODO:
+ * verify if the parameters are supported by the codec
+ */
+ return 0;
+}
+
+static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_hda_priv *hda_pvt = snd_soc_dai_get_drvdata(dai);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct hda_pcm_stream *hda_stream;
+ struct hda_pcm *pcm;
+
+ dev_dbg(&hdev->dev, "%s: entry\n", __func__);
+
+ pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
+ if (pcm == NULL)
+ return -EINVAL;
+
+ dev_dbg(&hdev->dev, "pcm = %s: rate=%d ch=%d fmt=%d\n", pcm->name,
+ runtime->rate, runtime->channels, runtime->format);
+
+ 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)
+{
+ int ret = 0;
+ struct hdac_hda_priv *hda_pvt = snd_soc_dai_get_drvdata(dai);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct hda_pcm_stream *hda_stream;
+ unsigned int format_val;
+ struct hda_pcm *pcm;
+
+ dev_dbg(&hdev->dev, "%s: entry\n", __func__);
+
+ pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
+ if (pcm == NULL)
+ return -EINVAL;
+
+ dev_dbg(&hdev->dev, "pcm = %s: rate=%d ch=%d fmt=%d\n", pcm->name,
+ runtime->rate, runtime->channels, runtime->format);
+
+ hda_stream = &pcm->stream[substream->stream];
+
+ dev_dbg(&hdev->dev, "fmt=0x%llx rate=0x%x maxbps=%d\n",
+ hda_stream->formats, hda_stream->rates, hda_stream->maxbps);
+
+ 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;
+ }
+
+ ret = snd_hda_codec_prepare(&hda_pvt->codec, hda_stream,
+ hda_pvt->stream_tag, format_val, substream);
+ if (ret < 0) {
+ dev_err(&hdev->dev, "codec prepare failed %d\n", ret);
+ return ret;
+ }
+
+ dev_dbg(&hdev->dev, "%s: exit\n", __func__);
+ return ret;
+}
+
+static int hdac_hda_dai_open(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_hda_priv *hda_pvt = snd_soc_dai_get_drvdata(dai);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct hda_pcm *pcm;
+ struct hda_pcm_stream *hda_stream;
+ int ret = 0;
+
+ dev_dbg(&hdev->dev, "%s: entry\n", __func__);
+
+ pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
+ if (pcm == NULL)
+ return -EINVAL;
+
+ dev_dbg(&hdev->dev, "pcm = %s: rate=%d ch=%d fmt=%d\n", pcm->name,
+ runtime->rate, runtime->channels, runtime->format);
+
+ hda_stream = &pcm->stream[substream->stream];
+
+ snd_hda_codec_pcm_get(pcm);
+
+ if (hda_stream->ops.open)
+ ret = hda_stream->ops.open(hda_stream, &hda_pvt->codec,
+ substream);
+ else
+ ret = -ENODEV;
+
+ dev_dbg(&hdev->dev, "%s: exit=%d\n", __func__, ret);
+
+ return 0;
+}
+
+static void hdac_hda_dai_close(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct hdac_hda_priv *hda_pvt = snd_soc_dai_get_drvdata(dai);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+ struct hda_pcm *pcm;
+ struct hda_pcm_stream *hda_stream;
+
+ dev_dbg(&hdev->dev, "%s: entry\n", __func__);
+
+ pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
+ if (pcm == NULL)
+ return;
+
+ hda_stream = &pcm->stream[substream->stream];
+
+ if (hda_stream->ops.open)
+ 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_pcm *cpcm;
+ struct hda_codec *hcodec = &hda_pvt->codec;
+ const char *pcm_name;
+
+ if (strpbrk(dai->name, "Analog"))
+ pcm_name = "Analog";
+ else
+ pcm_name = "Digital";
+
+ dev_dbg(&hcodec->core.dev, "DAI %s\n", pcm_name);
+
+ list_for_each_entry(cpcm, &hcodec->pcm_list_head, list) {
+ dev_dbg(&hcodec->core.dev, "PCM %s\n", cpcm->name);
+ 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_codec *codec)
+{
+ struct hdac_hda_priv *hda_pvt = snd_soc_codec_get_drvdata(codec);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+ struct hdac_ext_link *hlink = NULL;
+ struct hda_codec *hcodec = &hda_pvt->codec;
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(&codec->component);
+ int ret, i = 0;
+ u16 codec_mask;
+ hda_codec_patch_t patch;
+ struct hdac_driver *hdrv = drv_to_hdac_driver(hdev->dev.driver);
+
+ dev_dbg(&hdev->dev, "%s: Entry in_pm=%d pm_usage=%d\n", __func__,
+ hdev->in_pm.counter,
+ hdev->dev.power.usage_count.counter);
+
+ hda_pvt->scodec = codec;
+ 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;
+ }
+
+ ret = snd_hdac_ext_bus_link_get(hdev->bus, hlink);
+
+ udelay(1000);
+ do {
+ codec_mask = snd_hdac_chip_readw(hdev->bus, STATESTS);
+ if (codec_mask)
+ break;
+ i++;
+ udelay(100);
+ } while (i < 100);
+
+ if (!codec_mask) {
+ dev_err(&hdev->dev, "No codecs found after link reset\n");
+ return -EIO;
+ }
+
+ snd_hdac_chip_writew(hdev->bus, STATESTS, STATESTS_INT_MASK);
+
+ dev_dbg(&hdev->dev, "before card created in_pm=%d pm_usage=%d\n",
+ hdev->in_pm.counter,
+ hdev->dev.power.usage_count.counter);
+
+ ret = snd_hda_asoc_codec_new(hda_pvt->hbus,
+ codec->component.card->snd_card, hdev->addr,
+ &hcodec);
+ if (ret < 0) {
+ dev_err(codec->dev, "%s: failed to create hda codec %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ /*
+ * snd_hda_codec_new1 decrements the usage count and so get the pm
+ * count else the device will be powered off
+ */
+ pm_runtime_get_noresume(&hdev->dev);
+
+ hda_pvt->hbus->card = dapm->card->snd_card;
+
+ dev_dbg(&hdev->dev, "after card created in_pm=%d pm_usage=%d\n",
+ hdev->in_pm.counter,
+ hdev->dev.power.usage_count.counter);
+
+ ret = hdac_codec_match(hdev, hdrv);
+ if (ret < 1) {
+ dev_err(codec->dev, "no match found for the codec\n");
+ return ret;
+ }
+
+ patch = (hda_codec_patch_t)hcodec->preset->driver_data;
+ if (patch) {
+ ret = patch(hcodec);
+ if (ret < 0) {
+ dev_err(codec->dev, "no match found for the codec\n");
+ return ret;
+ }
+ } else {
+ dev_dbg(&hdev->dev, "no patch file found\n");
+ }
+
+ ret = snd_hda_codec_set_name(hcodec, hcodec->preset->name);
+ if (ret < 0) {
+ dev_err(codec->dev, "unable to set name %s\n",
+ hcodec->preset->name);
+ return ret;
+ }
+
+ ret = snd_hdac_regmap_init(&hcodec->core);
+ if (ret < 0) {
+ dev_err(codec->dev, "regmap init failed\n");
+ return ret;
+ }
+
+ ret = snd_hda_codec_parse_pcms(hcodec);
+ if (ret < 0) {
+ dev_err(&hdev->dev, "unable to map pcms to dai %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_hda_codec_build_controls(hcodec);
+ if (ret < 0) {
+ dev_err(&hdev->dev, "unable to create controls %d\n", ret);
+ return ret;
+ }
+
+ 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);
+
+ dev_dbg(&hdev->dev, "%s: exit\n", __func__);
+
+ return 0;
+}
+
+static int hdac_hda_codec_remove(struct snd_soc_codec *codec)
+{
+ struct hdac_hda_priv *hda_pvt = snd_soc_codec_get_drvdata(codec);
+ struct hdac_device *hdev = &hda_pvt->codec.core;
+ struct hdac_ext_link *hlink = NULL;
+
+ dev_dbg(&hdev->dev, "%s: entry\n", __func__);
+
+ 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_put(hdev->bus, hlink);
+
+ pm_runtime_disable(&hdev->dev);
+
+ return 0;
+}
+
+
+static const struct snd_soc_dapm_route hdac_hda_dapm_routes[] = {
+ {"AIF1TX", NULL, "Codec Input Pin1"},
+ {"AIF2TX", NULL, "Codec Input Pin2"},
+
+ {"Codec Output Pin1", NULL, "AIF1RX"},
+ {"Codec Output Pin2", NULL, "AIF2RX"},
+};
+
+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_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),
+
+ /* Input Pins */
+ SND_SOC_DAPM_INPUT("Codec Input Pin1"),
+ SND_SOC_DAPM_INPUT("Codec Input Pin2"),
+
+ /* Output Pins */
+ SND_SOC_DAPM_OUTPUT("Codec Output Pin1"),
+ SND_SOC_DAPM_OUTPUT("Codec Output Pin2"),
+};
+
+
+static struct snd_soc_codec_driver hdac_hda_codec = {
+ .probe = hdac_hda_codec_probe,
+ .remove = hdac_hda_codec_remove,
+ .idle_bias_off = true,
+ .component_driver = {
+ .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 = NULL;
@@ -48,6 +526,14 @@ static int hdac_hda_dev_probe(struct hdac_device *hdev)
if (hda_pvt == NULL)
return -ENOMEM;
+ /* ASoC specific initialization */
+ ret = snd_soc_register_codec(&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);
@@ -57,6 +543,7 @@ static int hdac_hda_dev_probe(struct hdac_device *hdev)
static int hdac_hda_dev_remove(struct hdac_device *hdev)
{
dev_dbg(&hdev->dev, "%s: entry\n", __func__);
+ snd_soc_unregister_codec(&hdev->dev);
return 0;
}
Add support for widgets, routes, DAI and related handlers. Signed-off-by: Rakesh Ughreja <rakesh.a.ughreja@intel.com> --- sound/soc/codecs/hdac_hda.c | 487 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 487 insertions(+)