ASoC: qcom: q6dsp: add support to more display ports

Existing code base only supports one display port, this patch adds
support upto 8 display ports. This support is required to allow platforms
like X13s which have 3 display ports, and some of the Qualcomm SoCs
there are upto 7 Display ports.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org
Link: https://lore.kernel.org/r/20230509112202.21471-4-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org

include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h

@@ -131,6 +131,14 @@
 #define RX_CODEC_DMA_RX_7	126
 #define QUINARY_MI2S_RX		127
 #define QUINARY_MI2S_TX		128
+#define DISPLAY_PORT_RX_0	DISPLAY_PORT_RX
+#define DISPLAY_PORT_RX_1	129
+#define DISPLAY_PORT_RX_2	130
+#define DISPLAY_PORT_RX_3	131
+#define DISPLAY_PORT_RX_4	132
+#define DISPLAY_PORT_RX_5	133
+#define DISPLAY_PORT_RX_6	134
+#define DISPLAY_PORT_RX_7	135
 
 #define LPASS_CLK_ID_PRI_MI2S_IBIT	1
 #define LPASS_CLK_ID_PRI_MI2S_EBIT	2

sound/soc/qcom/qdsp6/q6dsp-lpass-ports.c

@@ -79,6 +79,22 @@
 		.id = did,						\
 	}
 
+#define Q6AFE_DP_RX_DAI(did) {						\
+		.playback = {						\
+			.stream_name = #did" Playback",			\
+			.rates = SNDRV_PCM_RATE_48000 |			\
+				SNDRV_PCM_RATE_96000 |			\
+				SNDRV_PCM_RATE_192000,			\
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |		\
+				   SNDRV_PCM_FMTBIT_S24_LE,		\
+			.channels_min = 2,				\
+			.channels_max = 8,				\
+			.rate_min = 48000,				\
+			.rate_max = 192000,				\
+		},							\
+		.name = #did,						\
+		.id = did,						\
+	}
 
 static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
 	{
@@ -528,22 +544,14 @@ static struct snd_soc_dai_driver q6dsp_audio_fe_dais[] = {
 	Q6AFE_TDM_CAP_DAI("Quinary", 5, QUINARY_TDM_TX_5),
 	Q6AFE_TDM_CAP_DAI("Quinary", 6, QUINARY_TDM_TX_6),
 	Q6AFE_TDM_CAP_DAI("Quinary", 7, QUINARY_TDM_TX_7),
-	{
-		.playback = {
-			.stream_name = "Display Port Playback",
-			.rates = SNDRV_PCM_RATE_48000 |
-				 SNDRV_PCM_RATE_96000 |
-				 SNDRV_PCM_RATE_192000,
-			.formats = SNDRV_PCM_FMTBIT_S16_LE |
-				   SNDRV_PCM_FMTBIT_S24_LE,
-			.channels_min = 2,
-			.channels_max = 8,
-			.rate_max =     192000,
-			.rate_min =	48000,
-		},
-		.id = DISPLAY_PORT_RX,
-		.name = "DISPLAY_PORT",
-	},
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_0),
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_1),
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_2),
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_3),
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_4),
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_5),
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_6),
+	Q6AFE_DP_RX_DAI(DISPLAY_PORT_RX_7),
 	Q6AFE_CDC_DMA_RX_DAI(WSA_CODEC_DMA_RX_0),
 	Q6AFE_CDC_DMA_TX_DAI(WSA_CODEC_DMA_TX_0),
 	Q6AFE_CDC_DMA_RX_DAI(WSA_CODEC_DMA_RX_1),
@@ -603,6 +611,9 @@ struct snd_soc_dai_driver *q6dsp_audio_ports_set_config(struct device *dev,
 		case DISPLAY_PORT_RX:
 			q6dsp_audio_fe_dais[i].ops = cfg->q6hdmi_ops;
 			break;
+		case DISPLAY_PORT_RX_1 ... DISPLAY_PORT_RX_7:
+			q6dsp_audio_fe_dais[i].ops = cfg->q6hdmi_ops;
+			break;
 		case SLIMBUS_0_RX ... SLIMBUS_6_TX:
 			q6dsp_audio_fe_dais[i].ops = cfg->q6slim_ops;
 			break;