/* Current implementation assumes hw_param is called once
* This may not be the case but what to do when ADM and AFE
* port are already opened and parameter changes
*/
static int msm_dai_q6_hdmi_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = dev_get_drvdata(dai->dev);
u32 channel_allocation = 0;
u32 level_shift = 0; /* 0dB */
bool down_mix = FALSE;
dai_data->channels = params_channels(params);
dai_data->rate = params_rate(params);
#ifdef CONFIG_LGE_COMPRESSED_PATH
//
if (compressed_open_flag) {
dai_data->rate = params->rate_num;
dai_data->port_config.hdmi_multi_ch.data_type = 1; //non_linear case
}
else {
dai_data->port_config.hdmi_multi_ch.data_type = 0;
}
#endif
dai_data->port_config.hdmi_multi_ch.reserved = 0;
switch (dai_data->channels) {
case 2:
channel_allocation = 0;
hdmi_msm_audio_info_setup(1, MSM_HDMI_AUDIO_CHANNEL_2,
channel_allocation, level_shift, down_mix);
dai_data->port_config.hdmi_multi_ch.channel_allocation =
channel_allocation;
break;
case 6:
channel_allocation = 0x0B;
hdmi_msm_audio_info_setup(1, MSM_HDMI_AUDIO_CHANNEL_6,
channel_allocation, level_shift, down_mix);
dai_data->port_config.hdmi_multi_ch.channel_allocation =
channel_allocation;
break;
default:
dev_err(dai->dev, "invalid Channels = %u\n",
dai_data->channels);
return -EINVAL;
}
dev_dbg(dai->dev, "%s() num_ch = %u rate =%u"
" channel_allocation = %u data type = %d\n", __func__,
dai_data->channels,
dai_data->rate,
dai_data->port_config.hdmi_multi_ch.channel_allocation,
dai_data->port_config.hdmi_multi_ch.data_type);
return 0;
}
/* Current implementation assumes hw_param is called once
* This may not be the case but what to do when ADM and AFE
* port are already opened and parameter changes
*/
static int msm_dai_q6_hdmi_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = dev_get_drvdata(dai->dev);
u32 channel_allocation = 0;
#ifdef CONFIG_FB_MSM_HDMI_COMMON /*yjw*/
u32 level_shift = 0; /* 0dB */
bool down_mix = FALSE;
#endif
dai_data->channels = params_channels(params);
dai_data->rate = params_rate(params);
dai_data->port_config.hdmi_multi_ch.data_type = 0;
dai_data->port_config.hdmi_multi_ch.reserved = 0;
switch (dai_data->channels) {
case 2:
channel_allocation = 0;
#ifdef CONFIG_FB_MSM_HDMI_COMMON /*yjw*/
hdmi_msm_audio_info_setup(1, MSM_HDMI_AUDIO_CHANNEL_2,
channel_allocation, level_shift, down_mix);
#endif
dai_data->port_config.hdmi_multi_ch.channel_allocation =
channel_allocation;
break;
case 6:
channel_allocation = 0x0B;
#ifdef CONFIG_FB_MSM_HDMI_COMMON /*yjw*/
hdmi_msm_audio_info_setup(1, MSM_HDMI_AUDIO_CHANNEL_6,
channel_allocation, level_shift, down_mix);
#endif
dai_data->port_config.hdmi_multi_ch.channel_allocation =
channel_allocation;
break;
default:
dev_err(dai->dev, "invalid Channels = %u\n",
dai_data->channels);
return -EINVAL;
}
dev_dbg(dai->dev, "%s() num_ch = %u rate =%u"
" channel_allocation = %u\n", __func__, dai_data->channels,
dai_data->rate,
dai_data->port_config.hdmi_multi_ch.channel_allocation);
return 0;
}
static int msm_dai_q6_hdmi_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct msm_dai_q6_hdmi_dai_data *dai_data = dev_get_drvdata(dai->dev);
u32 channel_allocation = 0;
u32 level_shift = 0;
bool down_mix = FALSE;
int sample_rate = 48000;
dai_data->channels = params_channels(params);
dai_data->rate = params_rate(params);
dai_data->port_config.hdmi_multi_ch.reserved = 0;
switch (dai_data->rate) {
case 48000:
sample_rate = HDMI_SAMPLE_RATE_48KHZ;
break;
case 44100:
sample_rate = HDMI_SAMPLE_RATE_44_1KHZ;
break;
case 32000:
sample_rate = HDMI_SAMPLE_RATE_32KHZ;
break;
}
hdmi_msm_audio_sample_rate_reset(sample_rate);
switch (dai_data->channels) {
case 2:
channel_allocation = 0;
hdmi_msm_audio_info_setup(1, MSM_HDMI_AUDIO_CHANNEL_2,
channel_allocation, level_shift, down_mix);
dai_data->port_config.hdmi_multi_ch.channel_allocation =
channel_allocation;
break;
case 6:
channel_allocation = 0x0B;
hdmi_msm_audio_info_setup(1, MSM_HDMI_AUDIO_CHANNEL_6,
channel_allocation, level_shift, down_mix);
dai_data->port_config.hdmi_multi_ch.channel_allocation =
channel_allocation;
break;
case 8:
channel_allocation = 0x1F;
hdmi_msm_audio_info_setup(1, MSM_HDMI_AUDIO_CHANNEL_8,
channel_allocation, level_shift, down_mix);
dai_data->port_config.hdmi_multi_ch.channel_allocation =
channel_allocation;
break;
default:
dev_err(dai->dev, "invalid Channels = %u\n",
dai_data->channels);
return -EINVAL;
}
dev_dbg(dai->dev, "%s() num_ch = %u rate =%u"
" channel_allocation = %u data type = %d\n", __func__,
dai_data->channels,
dai_data->rate,
dai_data->port_config.hdmi_multi_ch.channel_allocation,
dai_data->port_config.hdmi_multi_ch.data_type);
return 0;
}
