ASoC:Tegra: Add BT control interface for HAL

Sometime the BT voice call cannot be broken because the method has bug
which is used to judge current call is BT call or not.
In fact we can make HAL use other control to set BT voice call.

Bug 1443353

Change-Id: I45f7cf876b4e7e53e94aab0a4984bb95d4885701
Signed-off-by: Lei Fan <leif@nvidia.com>
Reviewed-on: http://git-master/r/360827
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Vijay Mali <vmali@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Martin Chi <mchi@nvidia.com>

1 files changed, 95 insertions, 8 deletions

diff --git a/sound/soc/tegra/tegra_rt5640.c b/sound/soc/tegra/tegra_rt5640.c
index 1d5264ab35c8..8c4eaaf1f55c 100644
--- a/sound/soc/tegra/tegra_rt5640.c
+++ b/sound/soc/tegra/tegra_rt5640.c
@@ -138,13 +138,9 @@ static int tegra_call_mode_put(struct snd_kcontrol *kcontrol,
 
 	if (machine->is_call_mode == is_call_mode_new)
 		return 0;
-	if (machine->is_device_bt) {
-		codec_index = BT_SCO;
-		uses_voice_codec = 0;
-	} else {
-		codec_index = VOICE_CODEC;
-		uses_voice_codec = 0;
-	}
+
+	codec_index = VOICE_CODEC;
+	uses_voice_codec = 0;
 
 	if (is_call_mode_new) {
 		if (machine->codec_info[codec_index].rate == 0 ||
@@ -197,6 +193,93 @@ struct snd_kcontrol_new tegra_rt5640_call_mode_control = {
 	.put = tegra_call_mode_put
 };
 
+static int tegra_bt_call_mode_info(struct snd_kcontrol *kcontrol,
+			struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 1;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 1;
+	return 0;
+}
+
+static int tegra_bt_call_mode_get(struct snd_kcontrol *kcontrol,
+		struct snd_ctl_elem_value *ucontrol)
+{
+	struct tegra_rt5640 *machine = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.integer.value[0] = machine->is_call_mode;
+
+	return 0;
+}
+
+static int tegra_bt_call_mode_put(struct snd_kcontrol *kcontrol,
+		struct snd_ctl_elem_value *ucontrol)
+{
+	struct tegra_rt5640 *machine = snd_kcontrol_chip(kcontrol);
+	int is_call_mode_new = ucontrol->value.integer.value[0];
+	int codec_index;
+	unsigned int i;
+	int uses_voice_codec;
+
+	if (machine->is_call_mode == is_call_mode_new)
+		return 0;
+
+	codec_index = BT_SCO;
+	uses_voice_codec = 0;
+
+
+	if (is_call_mode_new) {
+		if (machine->codec_info[codec_index].rate == 0 ||
+			machine->codec_info[codec_index].channels == 0)
+				return -EINVAL;
+
+		for (i = 0; i < machine->pcard->num_links; i++)
+			machine->pcard->dai_link[i].ignore_suspend = 1;
+
+		if (machine->is_device_bt)
+			tegra30_make_bt_voice_call_connections(
+				&machine->codec_info[codec_index],
+				&machine->codec_info[BASEBAND],
+				uses_voice_codec);
+		else
+			tegra30_make_voice_call_connections(
+				&machine->codec_info[codec_index],
+				&machine->codec_info[BASEBAND],
+				uses_voice_codec);
+
+	} else {
+		if (machine->is_device_bt)
+			tegra30_break_bt_voice_call_connections(
+				&machine->codec_info[codec_index],
+				&machine->codec_info[BASEBAND],
+				uses_voice_codec);
+		else
+			tegra30_break_voice_call_connections(
+				&machine->codec_info[codec_index],
+				&machine->codec_info[BASEBAND],
+				uses_voice_codec);
+
+		for (i = 0; i < machine->pcard->num_links; i++)
+			machine->pcard->dai_link[i].ignore_suspend = 0;
+	}
+
+	machine->is_call_mode = is_call_mode_new;
+	g_is_call_mode = machine->is_call_mode;
+
+	return 1;
+}
+
+struct snd_kcontrol_new tegra_bt_call_mode_control = {
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "BT Call Mode Switch",
+	.private_value = 0xffff,
+	.info = tegra_bt_call_mode_info,
+	.get = tegra_bt_call_mode_get,
+	.put = tegra_bt_call_mode_put
+};
+
 #ifndef CONFIG_ARCH_TEGRA_2x_SOC
 static int tegra_rt5640_set_dam_cif(int dam_ifc,
 	int out_rate, int out_channels, int out_bit_size,
@@ -707,7 +790,7 @@ static int tegra_bt_startup(struct snd_pcm_substream *substream)
 
 		if (machine->is_call_mode) {
 			tegra30_ahub_set_rx_cif_source(
-				TEGRA30_AHUB_RXCIF_DAM0_RX0 +
+				TEGRA30_AHUB_RXCIF_DAM0_RX1 +
 				(i2s->dam_ifc*2), i2s->txcif);
 
 			/*
@@ -1478,6 +1561,10 @@ static int tegra_rt5640_init(struct snd_soc_pcm_runtime *rtd)
 	/* Add call mode switch control */
 	ret = snd_ctl_add(codec->card->snd_card,
 		snd_ctl_new1(&tegra_rt5640_call_mode_control, machine));
+
+	ret = snd_ctl_add(codec->card->snd_card,
+		snd_ctl_new1(&tegra_bt_call_mode_control, machine));
+
 	ret = tegra_asoc_utils_register_ctls(&machine->util_data);
 	if (ret < 0)
 		return ret;