ASoC: wcd9310: Add support for AIF2 Playback.

Audio interface 2 for playback provides access to Slimbus Rx
ports 6 and 7.

Change-Id: I0a31eb617812097e15991c076ea5a9d64abafd50
Signed-off-by: Neema Shetty <nshetty@codeaurora.org>
diff --git a/sound/soc/codecs/wcd9310.c b/sound/soc/codecs/wcd9310.c
index e5206b7..46f6461 100644
--- a/sound/soc/codecs/wcd9310.c
+++ b/sound/soc/codecs/wcd9310.c
@@ -49,7 +49,8 @@
 
 #define AIF1_PB 1
 #define AIF1_CAP 2
-#define NUM_CODEC_DAIS 2
+#define AIF2_PB 3
+#define NUM_CODEC_DAIS 3
 
 struct tabla_codec_dai_data {
 	u32 rate;
@@ -570,6 +571,8 @@
 		-84, 40, digital_gain),
 	SOC_SINGLE_S8_TLV("RX6 Digital Volume", TABLA_A_CDC_RX6_VOL_CTL_B2_CTL,
 		-84, 40, digital_gain),
+	SOC_SINGLE_S8_TLV("RX7 Digital Volume", TABLA_A_CDC_RX7_VOL_CTL_B2_CTL,
+		-84, 40, digital_gain),
 
 	SOC_SINGLE_S8_TLV("DEC1 Volume", TABLA_A_CDC_TX1_VOL_CTL_GAIN, -84, 40,
 		digital_gain),
@@ -2086,71 +2089,99 @@
 	{"RX1 MIX1 INP1", "RX2", "SLIM RX2"},
 	{"RX1 MIX1 INP1", "RX3", "SLIM RX3"},
 	{"RX1 MIX1 INP1", "RX4", "SLIM RX4"},
+	{"RX1 MIX1 INP1", "RX6", "SLIM RX6"},
+	{"RX1 MIX1 INP1", "RX7", "SLIM RX7"},
 	{"RX1 MIX1 INP1", "IIR1", "IIR1"},
 	{"RX1 MIX1 INP2", "RX1", "SLIM RX1"},
 	{"RX1 MIX1 INP2", "RX2", "SLIM RX2"},
 	{"RX1 MIX1 INP2", "RX3", "SLIM RX3"},
 	{"RX1 MIX1 INP2", "RX4", "SLIM RX4"},
+	{"RX1 MIX1 INP2", "RX6", "SLIM RX6"},
+	{"RX1 MIX1 INP2", "RX7", "SLIM RX7"},
 	{"RX1 MIX1 INP2", "IIR1", "IIR1"},
 	{"RX2 MIX1 INP1", "RX1", "SLIM RX1"},
 	{"RX2 MIX1 INP1", "RX2", "SLIM RX2"},
 	{"RX2 MIX1 INP1", "RX3", "SLIM RX3"},
 	{"RX2 MIX1 INP1", "RX4", "SLIM RX4"},
+	{"RX2 MIX1 INP1", "RX6", "SLIM RX6"},
+	{"RX2 MIX1 INP1", "RX7", "SLIM RX7"},
 	{"RX2 MIX1 INP1", "IIR1", "IIR1"},
 	{"RX2 MIX1 INP2", "RX1", "SLIM RX1"},
 	{"RX2 MIX1 INP2", "RX2", "SLIM RX2"},
 	{"RX2 MIX1 INP2", "RX3", "SLIM RX3"},
 	{"RX2 MIX1 INP2", "RX4", "SLIM RX4"},
+	{"RX2 MIX1 INP2", "RX6", "SLIM RX6"},
+	{"RX2 MIX1 INP2", "RX7", "SLIM RX7"},
 	{"RX2 MIX1 INP2", "IIR1", "IIR1"},
 	{"RX3 MIX1 INP1", "RX1", "SLIM RX1"},
 	{"RX3 MIX1 INP1", "RX2", "SLIM RX2"},
 	{"RX3 MIX1 INP1", "RX3", "SLIM RX3"},
 	{"RX3 MIX1 INP1", "RX4", "SLIM RX4"},
+	{"RX3 MIX1 INP1", "RX6", "SLIM RX6"},
+	{"RX3 MIX1 INP1", "RX7", "SLIM RX7"},
 	{"RX3 MIX1 INP1", "IIR1", "IIR1"},
 	{"RX3 MIX1 INP2", "RX1", "SLIM RX1"},
 	{"RX3 MIX1 INP2", "RX2", "SLIM RX2"},
 	{"RX3 MIX1 INP2", "RX3", "SLIM RX3"},
 	{"RX3 MIX1 INP2", "RX4", "SLIM RX4"},
+	{"RX3 MIX1 INP2", "RX6", "SLIM RX6"},
+	{"RX3 MIX1 INP2", "RX7", "SLIM RX7"},
 	{"RX3 MIX1 INP2", "IIR1", "IIR1"},
 	{"RX4 MIX1 INP1", "RX1", "SLIM RX1"},
 	{"RX4 MIX1 INP1", "RX2", "SLIM RX2"},
 	{"RX4 MIX1 INP1", "RX3", "SLIM RX3"},
 	{"RX4 MIX1 INP1", "RX4", "SLIM RX4"},
+	{"RX4 MIX1 INP1", "RX6", "SLIM RX6"},
+	{"RX4 MIX1 INP1", "RX7", "SLIM RX7"},
 	{"RX4 MIX1 INP1", "IIR1", "IIR1"},
 	{"RX4 MIX1 INP2", "RX1", "SLIM RX1"},
 	{"RX4 MIX1 INP2", "RX2", "SLIM RX2"},
 	{"RX4 MIX1 INP2", "RX3", "SLIM RX3"},
 	{"RX4 MIX1 INP2", "RX4", "SLIM RX4"},
+	{"RX4 MIX1 INP2", "RX6", "SLIM RX6"},
+	{"RX4 MIX1 INP2", "RX7", "SLIM RX7"},
 	{"RX4 MIX1 INP2", "IIR1", "IIR1"},
 	{"RX5 MIX1 INP1", "RX1", "SLIM RX1"},
 	{"RX5 MIX1 INP1", "RX2", "SLIM RX2"},
 	{"RX5 MIX1 INP1", "RX3", "SLIM RX3"},
 	{"RX5 MIX1 INP1", "RX4", "SLIM RX4"},
+	{"RX5 MIX1 INP1", "RX6", "SLIM RX6"},
+	{"RX5 MIX1 INP1", "RX7", "SLIM RX7"},
 	{"RX5 MIX1 INP1", "IIR1", "IIR1"},
 	{"RX5 MIX1 INP2", "RX1", "SLIM RX1"},
 	{"RX5 MIX1 INP2", "RX2", "SLIM RX2"},
 	{"RX5 MIX1 INP2", "RX3", "SLIM RX3"},
 	{"RX5 MIX1 INP2", "RX4", "SLIM RX4"},
+	{"RX5 MIX1 INP2", "RX6", "SLIM RX6"},
+	{"RX5 MIX1 INP2", "RX7", "SLIM RX7"},
 	{"RX5 MIX1 INP2", "IIR1", "IIR1"},
 	{"RX6 MIX1 INP1", "RX1", "SLIM RX1"},
 	{"RX6 MIX1 INP1", "RX2", "SLIM RX2"},
 	{"RX6 MIX1 INP1", "RX3", "SLIM RX3"},
 	{"RX6 MIX1 INP1", "RX4", "SLIM RX4"},
+	{"RX6 MIX1 INP1", "RX6", "SLIM RX6"},
+	{"RX6 MIX1 INP1", "RX7", "SLIM RX7"},
 	{"RX6 MIX1 INP1", "IIR1", "IIR1"},
 	{"RX6 MIX1 INP2", "RX1", "SLIM RX1"},
 	{"RX6 MIX1 INP2", "RX2", "SLIM RX2"},
 	{"RX6 MIX1 INP2", "RX3", "SLIM RX3"},
 	{"RX6 MIX1 INP2", "RX4", "SLIM RX4"},
+	{"RX6 MIX1 INP2", "RX6", "SLIM RX6"},
+	{"RX6 MIX1 INP2", "RX7", "SLIM RX7"},
 	{"RX6 MIX1 INP2", "IIR1", "IIR1"},
 	{"RX7 MIX1 INP1", "RX1", "SLIM RX1"},
 	{"RX7 MIX1 INP1", "RX2", "SLIM RX2"},
 	{"RX7 MIX1 INP1", "RX3", "SLIM RX3"},
 	{"RX7 MIX1 INP1", "RX4", "SLIM RX4"},
+	{"RX7 MIX1 INP1", "RX6", "SLIM RX6"},
+	{"RX7 MIX1 INP1", "RX7", "SLIM RX7"},
 	{"RX7 MIX1 INP1", "IIR1", "IIR1"},
 	{"RX7 MIX1 INP2", "RX1", "SLIM RX1"},
 	{"RX7 MIX1 INP2", "RX2", "SLIM RX2"},
 	{"RX7 MIX1 INP2", "RX3", "SLIM RX3"},
 	{"RX7 MIX1 INP2", "RX4", "SLIM RX4"},
+	{"RX7 MIX1 INP2", "RX6", "SLIM RX6"},
+	{"RX7 MIX1 INP2", "RX7", "SLIM RX7"},
 	{"RX7 MIX1 INP2", "IIR1", "IIR1"},
 
 	/* Decimator Inputs */
@@ -2633,7 +2664,7 @@
 	}
 	pr_debug("%s: DAI-ID %x %d %d\n", __func__, dai->id, tx_num, rx_num);
 
-	if (dai->id == AIF1_PB) {
+	if (dai->id == AIF1_PB || dai->id == AIF2_PB) {
 		for (i = 0; i < rx_num; i++) {
 			tabla->dai[dai->id - 1].ch_num[i]  = rx_slot[i];
 			tabla->dai[dai->id - 1].ch_act = 0;
@@ -2681,6 +2712,12 @@
 			tx_slot[cnt] = tx_ch[6 + cnt];
 			cnt++;
 		}
+	} else if (dai->id == AIF2_PB) {
+		*rx_num = tabla_dai[dai->id - 1].playback.channels_max;
+		while (cnt < *rx_num) {
+			rx_slot[cnt] = rx_ch[5 + cnt];
+			cnt++;
+		}
 	}
 	return 0;
 }
@@ -2778,7 +2815,7 @@
 	 * If current dai is a rx dai, set sample rate to
 	 * all the rx paths that are currently not active
 	 */
-	if (dai->id == AIF1_PB) {
+	if (dai->id == AIF1_PB || dai->id == AIF2_PB) {
 
 		rx_state = snd_soc_read(codec,
 			TABLA_A_CDC_CLK_RX_B1_CTL);
@@ -2858,6 +2895,20 @@
 		},
 		.ops = &tabla_dai_ops,
 	},
+	{
+		.name = "tabla_rx2",
+		.id = AIF2_PB,
+		.playback = {
+			.stream_name = "AIF2 Playback",
+			.rates = WCD9310_RATES,
+			.formats = TABLA_FORMATS,
+			.rate_min = 8000,
+			.rate_max = 48000,
+			.channels_min = 1,
+			.channels_max = 2,
+		},
+		.ops = &tabla_dai_ops,
+	},
 };
 
 static struct snd_soc_dai_driver tabla_i2s_dai[] = {
@@ -2963,7 +3014,8 @@
 	switch (event) {
 	case SND_SOC_DAPM_POST_PMU:
 		for (j = 0; j < ARRAY_SIZE(tabla_dai); j++) {
-			if (tabla_dai[j].id == AIF1_PB)
+			if (tabla_dai[j].id == AIF1_PB ||
+				tabla_dai[j].id == AIF2_PB)
 				continue;
 			if (!strncmp(w->sname,
 				tabla_dai[j].capture.stream_name, 13)) {
@@ -2979,7 +3031,8 @@
 		break;
 	case SND_SOC_DAPM_POST_PMD:
 		for (j = 0; j < ARRAY_SIZE(tabla_dai); j++) {
-			if (tabla_dai[j].id == AIF1_PB)
+			if (tabla_dai[j].id == AIF1_PB ||
+				tabla_dai[j].id == AIF2_PB)
 				continue;
 			if (!strncmp(w->sname,
 				tabla_dai[j].capture.stream_name, 13)) {
@@ -3022,6 +3075,13 @@
 	SND_SOC_DAPM_AIF_IN("SLIM RX3", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SLIM RX4", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 
+	SND_SOC_DAPM_AIF_IN_E("SLIM RX6", "AIF2 Playback", 0, SND_SOC_NOPM, 0,
+				0, tabla_codec_enable_slimrx,
+				SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_AIF_IN_E("SLIM RX7", "AIF2 Playback", 0, SND_SOC_NOPM, 0,
+				0, tabla_codec_enable_slimrx,
+				SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
 	/* Headphone */
 	SND_SOC_DAPM_OUTPUT("HEADPHONE"),
 	SND_SOC_DAPM_PGA_E("HPHL", TABLA_A_RX_HPH_CNP_EN, 5, 0, NULL, 0,
@@ -5039,6 +5099,9 @@
 		case AIF1_CAP:
 			ch_cnt = tabla_dai[i].capture.channels_max;
 			break;
+		case AIF2_PB:
+			ch_cnt = tabla_dai[i].playback.channels_max;
+			break;
 		default:
 			continue;
 		}