asoc: kona: add back support for Slimbus 7 for BT use cases

BT use cases on Kona target uses Slimbus 7 ports. Add back
support for Slimbus 7 port for BT.

Change-Id: Iaa5128738106fdafabe84831237947c3880de214
Signed-off-by: Banajit Goswami <[email protected]>

asoc/kona.c

@@ -131,6 +131,15 @@ enum {
 	CDC_DMA_TX_MAX,
 };
 
+enum {
+	SLIM_RX_7 = 0,
+	SLIM_RX_MAX,
+};
+enum {
+	SLIM_TX_7 = 0,
+	SLIM_TX_MAX,
+};
+
 struct msm_asoc_mach_data {
 	struct snd_info_entry *codec_root;
 	int usbc_en2_gpio; /* used by gpio driver API */
@@ -171,6 +180,15 @@ struct dev_config {
 	u32 channels;
 };
 
+/* Default configuration of slimbus channels */
+static struct dev_config slim_rx_cfg[] = {
+	[SLIM_RX_7] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
+};
+
+static struct dev_config slim_tx_cfg[] = {
+	[SLIM_TX_7] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
+};
+
 /* Default configuration of external display BE */
 static struct dev_config ext_disp_rx_cfg[] = {
 	[EXT_DISP_RX_IDX_DP] =   {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 2},
@@ -393,6 +411,15 @@ static char const *ext_disp_bit_format_text[] = {"S16_LE", "S24_LE",
 static char const *ext_disp_sample_rate_text[] = {"KHZ_48", "KHZ_96",
 						"KHZ_192", "KHZ_32", "KHZ_44P1",
 						"KHZ_88P2", "KHZ_176P4"};
+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(usb_rx_sample_rate, usb_sample_rate_text);
 static SOC_ENUM_SINGLE_EXT_DECL(usb_tx_sample_rate, usb_sample_rate_text);
@@ -496,6 +523,9 @@ static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_rx_chs, ch_text);
 static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_rx_format, ext_disp_bit_format_text);
 static SOC_ENUM_SINGLE_EXT_DECL(ext_disp_rx_sample_rate,
 				ext_disp_sample_rate_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 bool is_initial_boot;
 static bool codec_reg_done;
@@ -2783,6 +2813,204 @@ static int msm_cdc_dma_get_idx_from_beid(int32_t be_id)
 	return idx;
 }
 
+static int msm_bt_sample_rate_get(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	/*
+	 * Slimbus_7_Rx/Tx sample rate values should always be in sync (same)
+	 * when used for BT_SCO use case. Return either Rx or Tx sample rate
+	 * value.
+	 */
+	switch (slim_rx_cfg[SLIM_RX_7].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\n", __func__,
+		 slim_rx_cfg[SLIM_RX_7].sample_rate);
+
+	return 0;
+}
+
+static int msm_bt_sample_rate_put(struct snd_kcontrol *kcontrol,
+				  struct snd_ctl_elem_value *ucontrol)
+{
+	switch (ucontrol->value.integer.value[0]) {
+	case 1:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_16KHZ;
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_16KHZ;
+		break;
+	case 2:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_44P1KHZ;
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_44P1KHZ;
+		break;
+	case 3:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_48KHZ;
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_48KHZ;
+		break;
+	case 4:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_88P2KHZ;
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_88P2KHZ;
+		break;
+	case 5:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_96KHZ;
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_96KHZ;
+		break;
+	case 0:
+	default:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_8KHZ;
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_8KHZ;
+		break;
+	}
+	pr_debug("%s: sample rates: slim7_rx = %d, slim7_tx = %d, value = %d\n",
+		 __func__,
+		 slim_rx_cfg[SLIM_RX_7].sample_rate,
+		 slim_tx_cfg[SLIM_TX_7].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 (slim_rx_cfg[SLIM_RX_7].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 rx = %d\n", __func__,
+		 slim_rx_cfg[SLIM_RX_7].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:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_16KHZ;
+		break;
+	case 2:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_44P1KHZ;
+		break;
+	case 3:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_48KHZ;
+		break;
+	case 4:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_88P2KHZ;
+		break;
+	case 5:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_96KHZ;
+		break;
+	case 0:
+	default:
+		slim_rx_cfg[SLIM_RX_7].sample_rate = SAMPLING_RATE_8KHZ;
+		break;
+	}
+	pr_debug("%s: sample rate: slim7_rx = %d, value = %d\n",
+		 __func__,
+		 slim_rx_cfg[SLIM_RX_7].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 (slim_tx_cfg[SLIM_TX_7].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 tx = %d\n", __func__,
+		 slim_tx_cfg[SLIM_TX_7].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:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_16KHZ;
+		break;
+	case 2:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_44P1KHZ;
+		break;
+	case 3:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_48KHZ;
+		break;
+	case 4:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_88P2KHZ;
+		break;
+	case 5:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_96KHZ;
+		break;
+	case 0:
+	default:
+		slim_tx_cfg[SLIM_TX_7].sample_rate = SAMPLING_RATE_8KHZ;
+		break;
+	}
+	pr_debug("%s: sample rate: slim7_tx = %d, value = %d\n",
+		 __func__,
+		 slim_tx_cfg[SLIM_TX_7].sample_rate,
+		 ucontrol->value.enumerated.item[0]);
+
+	return 0;
+}
+
 static const struct snd_kcontrol_new msm_int_snd_controls[] = {
 	SOC_ENUM_EXT("WSA_CDC_DMA_RX_0 Channels", wsa_cdc_dma_rx_0_chs,
 			cdc_dma_rx_ch_get, cdc_dma_rx_ch_put),
@@ -3062,6 +3290,15 @@ static const struct snd_kcontrol_new msm_common_snd_controls[] = {
 	SOC_ENUM_EXT("Display Port RX SampleRate", ext_disp_rx_sample_rate,
 			ext_disp_rx_sample_rate_get,
 			ext_disp_rx_sample_rate_put),
+	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_snd_controls[] = {
@@ -3327,6 +3564,20 @@ static int msm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 		channels->min = channels->max = msm_vi_feed_tx_ch;
 		break;
 
+	case MSM_BACKEND_DAI_SLIMBUS_7_RX:
+		param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,
+				slim_rx_cfg[SLIM_RX_7].bit_format);
+		rate->min = rate->max = slim_rx_cfg[SLIM_RX_7].sample_rate;
+		channels->min = channels->max =
+			slim_rx_cfg[SLIM_RX_7].channels;
+		break;
+
+	case MSM_BACKEND_DAI_SLIMBUS_7_TX:
+		rate->min = rate->max = slim_tx_cfg[SLIM_TX_7].sample_rate;
+		channels->min = channels->max =
+			slim_tx_cfg[SLIM_TX_7].channels;
+		break;
+
 	default:
 		rate->min = rate->max = SAMPLING_RATE_48KHZ;
 		break;