static int msm8x16_enable_codec_ext_clk(struct snd_soc_codec *codec,
int enable, bool dapm)
{
int ret = 0;
mutex_lock(&cdc_mclk_mutex);
pr_debug("%s: enable = %d codec name %s enable %d mclk ref counter %d\n",
__func__, enable, codec->name, enable,
atomic_read(&mclk_rsc_ref));
if (enable) {
if (atomic_inc_return(&mclk_rsc_ref) == 1) {
digital_cdc_clk.clk_val = 9600000;
msm_config_mclk(AFE_PORT_ID_SECONDARY_MI2S_RX,
&digital_cdc_clk);
msm8x16_wcd_mclk_enable(codec, 1, dapm);
}
} else {
if (atomic_dec_return(&mclk_rsc_ref) == 0) {
digital_cdc_clk.clk_val = 0;
msm8x16_wcd_mclk_enable(codec, 0, dapm);
msm_config_mclk(AFE_PORT_ID_SECONDARY_MI2S_RX,
&digital_cdc_clk);
}
}
mutex_unlock(&cdc_mclk_mutex);
return ret;
}
static int msm_config_mi2s_clk(int enable)
{
int ret = 0;
pr_debug("%s(line %d):enable = %x\n", __func__, __LINE__, enable);
if (enable) {
digital_cdc_clk.clk_val = 9600000;
mi2s_rx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_12_P288_MHZ;
mi2s_rx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_1_P536_MHZ;
ret = afe_set_lpass_clock(AFE_PORT_ID_SECONDARY_MI2S_RX,
&mi2s_rx_clk);
mi2s_tx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_12_P288_MHZ;
mi2s_tx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_1_P536_MHZ;
ret = afe_set_lpass_clock(AFE_PORT_ID_PRIMARY_MI2S_RX,
&mi2s_tx_clk);
if (ret < 0)
pr_err("%s:afe_set_lpass_clock failed\n", __func__);
} else {
digital_cdc_clk.clk_val = 0;
mi2s_rx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_DISABLE;
mi2s_rx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_DISABLE;
ret = afe_set_lpass_clock(AFE_PORT_ID_SECONDARY_MI2S_RX,
&mi2s_rx_clk);
mi2s_tx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_DISABLE;
mi2s_tx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_DISABLE;
ret = afe_set_lpass_clock(AFE_PORT_ID_PRIMARY_MI2S_RX,
&mi2s_tx_clk);
if (ret < 0)
pr_err("%s:afe_set_lpass_clock failed\n", __func__);
}
ret = msm_config_mclk(AFE_PORT_ID_SECONDARY_MI2S_RX, &digital_cdc_clk);
return ret;
}
static int msm8x10_enable_codec_ext_clk(struct snd_soc_codec *codec,
int enable, bool dapm)
{
int ret = 0;
pr_debug("%s: enable = %d codec name %s enable %x\n",
__func__, enable, codec->name, enable);
if (enable) {
digital_cdc_clk.clk_val = 9600000;
msm_config_mi2s_clk(1);
ret = msm_config_mclk(AFE_PORT_ID_SECONDARY_MI2S_RX,
&digital_cdc_clk);
msm8x10_wcd_mclk_enable(codec, 1, dapm);
} else {
msm8x10_wcd_mclk_enable(codec, 0, dapm);
ret = msm_config_mclk(AFE_PORT_ID_SECONDARY_MI2S_RX,
&digital_cdc_clk);
msm_config_mi2s_clk(0);
}
return ret;
}
static int mi2s_clk_ctl(struct snd_pcm_substream *substream, bool enable)
{
int ret = 0;
if (enable) {
digital_cdc_clk.clk_val = 9600000;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
mi2s_rx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_12_P288_MHZ;
mi2s_rx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_1_P536_MHZ;
ret = afe_set_lpass_clock(AFE_PORT_ID_SECONDARY_MI2S_RX,
&mi2s_rx_clk);
} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
mi2s_tx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_12_P288_MHZ;
mi2s_tx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_1_P536_MHZ;
ret = afe_set_lpass_clock(AFE_PORT_ID_PRIMARY_MI2S_RX,
&mi2s_tx_clk);
} else
pr_err("%s:Not valid substream.\n", __func__);
if (ret < 0)
pr_err("%s:afe_set_lpass_clock failed\n", __func__);
} else {
digital_cdc_clk.clk_val = 0;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
mi2s_rx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_DISABLE;
mi2s_rx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_DISABLE;
ret = afe_set_lpass_clock(AFE_PORT_ID_SECONDARY_MI2S_RX,
&mi2s_rx_clk);
} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
mi2s_tx_clk.clk_val2 = Q6AFE_LPASS_OSR_CLK_DISABLE;
mi2s_tx_clk.clk_val1 = Q6AFE_LPASS_IBIT_CLK_DISABLE;
ret = afe_set_lpass_clock(AFE_PORT_ID_PRIMARY_MI2S_RX,
&mi2s_tx_clk);
} else
pr_err("%s:Not valid substream.\n", __func__);
if (ret < 0)
pr_err("%s:afe_set_lpass_clock failed\n", __func__);
}
ret = msm_config_mclk(AFE_PORT_ID_SECONDARY_MI2S_RX, &digital_cdc_clk);
return ret;
}