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Commit c57286a2 authored by Samyak Jain's avatar Samyak Jain
Browse files

asoc: Add mixer controls to independently configure TX and RX 



Add mixer controls to independently configure TX and RX sample
rates to allow BT RX and TX backends for adaptive bitrate support.

Change-Id: Ic4ff86b06f8a4b1060651f097e789f7ffdad754f
Signed-off-by: default avatarSamyak Jain <samyjain@codeaurora.org>
parent fc4d749d

asoc/sdm660-internal.c

+166 −14
Original line number Diff line number Diff line
@@ -45,7 +45,8 @@ enum { 
};



enum {

	BT_SLIM7,

	BT_SLIM7_RX,

	BT_SLIM7_TX,

	FM_SLIM8,

	SLIM_MAX,

};
@@ -139,7 +140,8 @@ static struct dev_config int_mi2s_cfg[] = { 
};



static struct dev_config bt_fm_cfg[] = {

	[BT_SLIM7] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},

	[BT_SLIM7_RX] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},

	[BT_SLIM7_TX] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},

	[FM_SLIM8] = {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 2},

};
@@ -154,6 +156,12 @@ static const char *const loopback_mclk_text[] = {"DISABLE", "ENABLE"}; 
static char const *bt_sample_rate_text[] = {"KHZ_8", "KHZ_16",

					"KHZ_44P1", "KHZ_48",

					"KHZ_88P2", "KHZ_96"};

static char const *bt_sample_rate_rx_text[] = {"KHZ_8", "KHZ_16",

					"KHZ_44P1", "KHZ_48",

					"KHZ_88P2", "KHZ_96"};

static char const *bt_sample_rate_tx_text[] = {"KHZ_8", "KHZ_16",

					"KHZ_44P1", "KHZ_48",

					"KHZ_88P2", "KHZ_96"};



static SOC_ENUM_SINGLE_EXT_DECL(int0_mi2s_rx_sample_rate, int_mi2s_rate_text);

static SOC_ENUM_SINGLE_EXT_DECL(int0_mi2s_rx_chs, int_mi2s_ch_text);
@@ -170,6 +178,8 @@ static SOC_ENUM_SINGLE_EXT_DECL(int4_mi2s_rx_format, bit_format_text); 
static SOC_ENUM_SINGLE_EXT_DECL(int5_mi2s_tx_chs, int_mi2s_ch_text);

static SOC_ENUM_SINGLE_EXT_DECL(loopback_mclk_en, loopback_mclk_text);

static SOC_ENUM_SINGLE_EXT_DECL(bt_sample_rate, bt_sample_rate_text);

static SOC_ENUM_SINGLE_EXT_DECL(bt_sample_rate_rx, bt_sample_rate_rx_text);

static SOC_ENUM_SINGLE_EXT_DECL(bt_sample_rate_tx, bt_sample_rate_tx_text);



static int msm_dmic_event(struct snd_soc_dapm_widget *w,

			  struct snd_kcontrol *kcontrol, int event);
@@ -639,12 +649,18 @@ static int msm_btfm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 


	switch (dai_link->id) {

	case MSM_BACKEND_DAI_SLIMBUS_7_RX:

		param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,

				bt_fm_cfg[BT_SLIM7_RX].bit_format);

		rate->min = rate->max = bt_fm_cfg[BT_SLIM7_RX].sample_rate;

		channels->min = channels->max =

			bt_fm_cfg[BT_SLIM7_RX].channels;

		break;

	case MSM_BACKEND_DAI_SLIMBUS_7_TX:

		param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,

				bt_fm_cfg[BT_SLIM7].bit_format);

		rate->min = rate->max = bt_fm_cfg[BT_SLIM7].sample_rate;

				bt_fm_cfg[BT_SLIM7_TX].bit_format);

		rate->min = rate->max = bt_fm_cfg[BT_SLIM7_TX].sample_rate;

		channels->min = channels->max =

			bt_fm_cfg[BT_SLIM7].channels;

			bt_fm_cfg[BT_SLIM7_TX].channels;

		break;



	case MSM_BACKEND_DAI_SLIMBUS_8_TX:
@@ -849,7 +865,7 @@ static int msm_bt_sample_rate_get(struct snd_kcontrol *kcontrol, 
	 * when used for BT_SCO use case. Return either Rx or Tx sample rate

	 * value.

	 */

	switch (bt_fm_cfg[BT_SLIM7].sample_rate) {

	switch (bt_fm_cfg[BT_SLIM7_RX].sample_rate) {

	case SAMPLING_RATE_96KHZ:

		ucontrol->value.integer.value[0] = 5;

		break;
@@ -871,7 +887,7 @@ static int msm_bt_sample_rate_get(struct snd_kcontrol *kcontrol, 
		break;

	}

	pr_debug("%s: sample rate = %d", __func__,

		 bt_fm_cfg[BT_SLIM7].sample_rate);

		 bt_fm_cfg[BT_SLIM7_RX].sample_rate);



	return 0;

}
@@ -881,28 +897,158 @@ static int msm_bt_sample_rate_put(struct snd_kcontrol *kcontrol, 
{

	switch (ucontrol->value.integer.value[0]) {

	case 1:

		bt_fm_cfg[BT_SLIM7].sample_rate = SAMPLING_RATE_16KHZ;

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_16KHZ;

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_16KHZ;

		break;

	case 2:

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_44P1KHZ;

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_44P1KHZ;

		break;

	case 3:

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_48KHZ;

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_48KHZ;

		break;

	case 4:

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_88P2KHZ;

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_88P2KHZ;

		break;

	case 5:

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_96KHZ;

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_96KHZ;

		break;

	case 0:

	default:

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_8KHZ;

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_8KHZ;

		break;

	}

	pr_debug("%s: sample rates: slim7_rx = %d, value = %d\n",

		 __func__,

		 bt_fm_cfg[BT_SLIM7_RX].sample_rate,

		 ucontrol->value.enumerated.item[0]);



	return 0;

}



static int msm_bt_sample_rate_rx_get(struct snd_kcontrol *kcontrol,

					struct snd_ctl_elem_value *ucontrol)

{

	switch (bt_fm_cfg[BT_SLIM7_RX].sample_rate) {

	case SAMPLING_RATE_96KHZ:

		ucontrol->value.integer.value[0] = 5;

		break;

	case SAMPLING_RATE_88P2KHZ:

		ucontrol->value.integer.value[0] = 4;

		break;

	case SAMPLING_RATE_48KHZ:

		ucontrol->value.integer.value[0] = 3;

		break;

	case SAMPLING_RATE_44P1KHZ:

		ucontrol->value.integer.value[0] = 2;

		break;

	case SAMPLING_RATE_16KHZ:

		ucontrol->value.integer.value[0] = 1;

		break;

	case SAMPLING_RATE_8KHZ:

	default:

		ucontrol->value.integer.value[0] = 0;

		break;

	}

	pr_debug("%s: sample rate = %d", __func__,

		bt_fm_cfg[BT_SLIM7_RX].sample_rate);



	return 0;

}



static int msm_bt_sample_rate_rx_put(struct snd_kcontrol *kcontrol,

					struct snd_ctl_elem_value *ucontrol)

{

	switch (ucontrol->value.integer.value[0]) {

	case 1:

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_16KHZ;

		break;

	case 2:

		bt_fm_cfg[BT_SLIM7].sample_rate = SAMPLING_RATE_44P1KHZ;

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_44P1KHZ;

		break;

	case 3:

		bt_fm_cfg[BT_SLIM7].sample_rate = SAMPLING_RATE_48KHZ;

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_48KHZ;

		break;

	case 4:

		bt_fm_cfg[BT_SLIM7].sample_rate = SAMPLING_RATE_88P2KHZ;

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_88P2KHZ;

		break;

	case 5:

		bt_fm_cfg[BT_SLIM7].sample_rate = SAMPLING_RATE_96KHZ;

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_96KHZ;

		break;

	case 0:

	default:

		bt_fm_cfg[BT_SLIM7].sample_rate = SAMPLING_RATE_8KHZ;

		bt_fm_cfg[BT_SLIM7_RX].sample_rate = SAMPLING_RATE_8KHZ;

		break;

	}

	pr_debug("%s: sample rates: slim7_rx = %d, value = %d\n",

		__func__,

		 bt_fm_cfg[BT_SLIM7].sample_rate,

		bt_fm_cfg[BT_SLIM7_RX].sample_rate,

		ucontrol->value.enumerated.item[0]);



	return 0;

}



static int msm_bt_sample_rate_tx_get(struct snd_kcontrol *kcontrol,

					struct snd_ctl_elem_value *ucontrol)

{

	switch (bt_fm_cfg[BT_SLIM7_TX].sample_rate) {

	case SAMPLING_RATE_96KHZ:

		ucontrol->value.integer.value[0] = 5;

		break;

	case SAMPLING_RATE_88P2KHZ:

		ucontrol->value.integer.value[0] = 4;

		break;

	case SAMPLING_RATE_48KHZ:

		ucontrol->value.integer.value[0] = 3;

		break;

	case SAMPLING_RATE_44P1KHZ:

		ucontrol->value.integer.value[0] = 2;

		break;

	case SAMPLING_RATE_16KHZ:

		ucontrol->value.integer.value[0] = 1;

		break;

	case SAMPLING_RATE_8KHZ:

	default:

		ucontrol->value.integer.value[0] = 0;

		break;

	}

	pr_debug("%s: sample rate = %d", __func__,

		bt_fm_cfg[BT_SLIM7_TX].sample_rate);



	return 0;

}



static int msm_bt_sample_rate_tx_put(struct snd_kcontrol *kcontrol,

					struct snd_ctl_elem_value *ucontrol)

{

	switch (ucontrol->value.integer.value[0]) {

	case 1:

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_16KHZ;

		break;

	case 2:

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_44P1KHZ;

		break;

	case 3:

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_48KHZ;

		break;

	case 4:

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_88P2KHZ;

		break;

	case 5:

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_96KHZ;

		break;

	case 0:

	default:

		bt_fm_cfg[BT_SLIM7_TX].sample_rate = SAMPLING_RATE_8KHZ;

		break;

	}

	pr_debug("%s: sample rates: slim7_tx = %d, value = %d\n",

		__func__,

		bt_fm_cfg[BT_SLIM7_TX].sample_rate,

		ucontrol->value.enumerated.item[0]);



	return 0;
@@ -933,6 +1079,12 @@ static const struct snd_kcontrol_new msm_snd_controls[] = { 
	SOC_ENUM_EXT("BT SampleRate", bt_sample_rate,

			msm_bt_sample_rate_get,

			msm_bt_sample_rate_put),

	SOC_ENUM_EXT("BT SampleRate RX", bt_sample_rate_rx,

			msm_bt_sample_rate_rx_get,

			msm_bt_sample_rate_rx_put),

	SOC_ENUM_EXT("BT SampleRate TX", bt_sample_rate_tx,

			msm_bt_sample_rate_tx_get,

			msm_bt_sample_rate_tx_put),

};



static const struct snd_kcontrol_new msm_loopback_snd_controls[] = {