This patch adds support to q6apm lpass display port dais. This support is required to get DP audio on x13s.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/qcom/qdsp6/q6apm-lpass-dais.c | 39 +++++++++++++++++++++++++ 1 file changed, 39 insertions(+)
diff --git a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c index 420e8aa11f42..7ad604b80e25 100644 --- a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c +++ b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c @@ -11,6 +11,7 @@ #include <sound/soc.h> #include <sound/pcm_params.h> #include "q6dsp-lpass-ports.h" +#include "q6dsp-common.h" #include "audioreach.h" #include "q6apm.h"
@@ -91,6 +92,36 @@ static int q6dma_set_channel_map(struct snd_soc_dai *dai, return 0; }
+static int q6hdmi_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + struct q6apm_lpass_dai_data *dai_data = dev_get_drvdata(dai->dev); + struct audioreach_module_config *cfg = &dai_data->module_config[dai->id]; + int channels = params_channels(params); + int ret; + + cfg->bit_width = params_width(params); + cfg->sample_rate = params_rate(params); + cfg->num_channels = channels; + + switch (dai->id) { + case DISPLAY_PORT_RX_0: + cfg->dp_idx = 0; + break; + case DISPLAY_PORT_RX_1 ... DISPLAY_PORT_RX_7: + cfg->dp_idx = dai->id - DISPLAY_PORT_RX_1 + 1; + break; + } + + ret = q6dsp_get_channel_allocation(channels); + if (ret < 0) + return ret; + + cfg->channel_allocation = ret; + + return 0; +} + static int q6dma_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { @@ -215,6 +246,13 @@ static const struct snd_soc_dai_ops q6i2s_ops = { .shutdown = q6apm_lpass_dai_shutdown, .set_channel_map = q6dma_set_channel_map, .hw_params = q6dma_hw_params, +}; + +static const struct snd_soc_dai_ops q6hdmi_ops = { + .prepare = q6apm_lpass_dai_prepare, + .startup = q6apm_lpass_dai_startup, + .shutdown = q6apm_lpass_dai_shutdown, + .hw_params = q6hdmi_hw_params, .set_fmt = q6i2s_set_fmt, };
@@ -242,6 +280,7 @@ static int q6apm_lpass_dai_dev_probe(struct platform_device *pdev) memset(&cfg, 0, sizeof(cfg)); cfg.q6i2s_ops = &q6i2s_ops; cfg.q6dma_ops = &q6dma_ops; + cfg.q6hdmi_ops = &q6hdmi_ops; dais = q6dsp_audio_ports_set_config(dev, &cfg, &num_dais);
return devm_snd_soc_register_component(dev, &q6apm_lpass_dai_component, dais, num_dais);