After enabling all pins/cvts, Skylake HDMI codec enumerates 3 converters. Three independent streams can be supported with 3 cvts. This patch removes the static dai creation and creates dais based on the number of cvts queried.
Signed-off-by: Subhransu S. Prusty subhransu.s.prusty@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com --- sound/soc/codecs/hdac_hdmi.c | 123 ++++++++++++++++++++++++++++++++----------- 1 file changed, 91 insertions(+), 32 deletions(-)
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index b2e5e54..c85deae 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -30,6 +30,8 @@ #include <sound/pcm_drm_eld.h> #include "../../hda/local.h"
+#define NAME_SIZE 32 + #define AMP_OUT_MUTE 0xb080 #define AMP_OUT_UNMUTE 0xb000 #define PIN_OUT (AC_PINCTL_OUT_EN) @@ -669,11 +671,82 @@ static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac)
}
+static struct snd_soc_dai_ops hdmi_dai_ops = { + .startup = hdac_hdmi_pcm_open, + .shutdown = hdac_hdmi_pcm_close, + .hw_params = hdac_hdmi_set_hw_params, + .prepare = hdac_hdmi_playback_prepare, + .hw_free = hdac_hdmi_playback_cleanup, +}; + +/* + * Each converter can support a stream independently. So a dai is created + * based on the number of converter queried. + */ +static int hdac_hdmi_create_dais(struct hdac_device *hdac, + struct snd_soc_dai_driver **dais, + struct hdac_hdmi_priv *hdmi, int num_dais) +{ + struct snd_soc_dai_driver *hdmi_dais; + struct hdac_hdmi_cvt *cvt; + char name[NAME_SIZE], dai_name[NAME_SIZE]; + int i = 0; + u32 rates, bps; + unsigned int rate_max = 384000, rate_min = 8000; + u64 formats; + int ret; + + hdmi_dais = devm_kzalloc(&hdac->dev, + (sizeof(*hdmi_dais) * num_dais), + GFP_KERNEL); + if (!hdmi_dais) + return -ENOMEM; + + list_for_each_entry(cvt, &hdmi->cvt_list, head) { + ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, + &rates, &formats, &bps); + if (ret) + return ret; + + sprintf(dai_name, "intel-hdmi-hifi%d", i+1); + hdmi_dais[i].name = devm_kstrdup(&hdac->dev, + dai_name, GFP_KERNEL); + + if (!hdmi_dais[i].name) + return -ENOMEM; + + snprintf(name, sizeof(name), "hifi%d", i+1); + hdmi_dais[i].playback.stream_name = + devm_kstrdup(&hdac->dev, name, GFP_KERNEL); + if (!hdmi_dais[i].playback.stream_name) + return -ENOMEM; + + /* + * Set caps based on capability queried from the converter. + * It will be constrained runtime based on ELD queried. + */ + hdmi_dais[i].playback.formats = formats; + hdmi_dais[i].playback.rates = rates; + hdmi_dais[i].playback.rate_max = rate_max; + hdmi_dais[i].playback.rate_min = rate_min; + hdmi_dais[i].playback.channels_min = 2; + hdmi_dais[i].playback.channels_max = 2; + hdmi_dais[i].ops = &hdmi_dai_ops; + + i++; + } + + *dais = hdmi_dais; + + return 0; +} + /* * Parse all nodes and store the cvt/pin nids in array * Add one time initialization for pin and cvt widgets */ -static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev) +static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, + struct snd_soc_dai_driver **dais, int *num_dais) { hda_nid_t nid; int i, num_nodes; @@ -724,6 +797,15 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev) if (!hdmi->num_pin || !hdmi->num_cvt) return -EIO;
+ ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); + if (ret) { + dev_err(&hdac->dev, "Failed to create dais with err: %d\n", + ret); + return ret; + } + + *num_dais = hdmi->num_cvt; + return hdac_hdmi_init_dai_map(edev); }
@@ -814,38 +896,12 @@ static struct snd_soc_codec_driver hdmi_hda_codec = { .idle_bias_off = true, };
-static struct snd_soc_dai_ops hdmi_dai_ops = { - .startup = hdac_hdmi_pcm_open, - .shutdown = hdac_hdmi_pcm_close, - .hw_params = hdac_hdmi_set_hw_params, - .prepare = hdac_hdmi_playback_prepare, - .hw_free = hdac_hdmi_playback_cleanup, -}; - -static struct snd_soc_dai_driver hdmi_dais[] = { - { .name = "intel-hdmi-hif1", - .playback = { - .stream_name = "hif1", - .channels_min = 2, - .channels_max = 2, - .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, - .formats = SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S20_3LE | - SNDRV_PCM_FMTBIT_S24_LE | - SNDRV_PCM_FMTBIT_S32_LE, - - }, - .ops = &hdmi_dai_ops, - }, -}; - static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) { struct hdac_device *codec = &edev->hdac; struct hdac_hdmi_priv *hdmi_priv; + struct snd_soc_dai_driver *hdmi_dais = NULL; + int num_dais = 0; int ret = 0;
hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); @@ -859,13 +915,16 @@ static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) INIT_LIST_HEAD(&hdmi_priv->pin_list); INIT_LIST_HEAD(&hdmi_priv->cvt_list);
- ret = hdac_hdmi_parse_and_map_nid(edev); - if (ret < 0) + ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); + if (ret < 0) { + dev_err(&codec->dev, + "Failed in parse and map nid with err: %d\n", ret); return ret; + }
/* ASoC specific initialization */ return snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, - hdmi_dais, ARRAY_SIZE(hdmi_dais)); + hdmi_dais, num_dais); }
static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev)