ASoC: SOF: amd: Add dai driver dsp ops callback for Renoir

Add dsp ops callback to register I2S and DMIC sof dai's with ALSA
Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Link: https://lore.kernel.org/r/20211117093734.17407-6-daniel.baluta@oss.nxp.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/amd/acp-dsp-offset.h

@@ -47,6 +47,8 @@
 #define ACPAXI2AXI_ATU_CTRL			0xC40
 #define ACP_SOFT_RESET				0x1000
 
+#define ACP_I2S_PIN_CONFIG			0x1400
+
 /* Registers from ACP_PGFSM block */
 #define ACP_PGFSM_CONTROL			0x141C
 #define ACP_PGFSM_STATUS			0x1420

sound/soc/sof/amd/renoir.c

@@ -15,7 +15,94 @@
 #include <linux/module.h>
 
 #include "../ops.h"
+#include "../sof-audio.h"
 #include "acp.h"
+#include "acp-dsp-offset.h"
+
+#define I2S_BT_INSTANCE		0
+#define I2S_SP_INSTANCE		1
+#define PDM_DMIC_INSTANCE	2
+
+#define I2S_MODE		0x04
+
+static int renoir_dai_probe(struct snd_soc_dai *dai)
+{
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
+	unsigned int val;
+
+	val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_I2S_PIN_CONFIG);
+	if (val != I2S_MODE) {
+		dev_err(sdev->dev, "I2S Mode is not supported (I2S_PIN_CONFIG: %#x)\n", val);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct snd_soc_dai_driver renoir_sof_dai[] = {
+	[I2S_BT_INSTANCE] = {
+		.id = I2S_BT_INSTANCE,
+		.name = "acp-sof-bt",
+		.playback = {
+			.rates = SNDRV_PCM_RATE_8000_96000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+			.channels_min = 2,
+			.channels_max = 8,
+			.rate_min = 8000,
+			.rate_max = 96000,
+		},
+		.capture = {
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+			/* Supporting only stereo for I2S BT controller capture */
+			.channels_min = 2,
+			.channels_max = 2,
+			.rate_min = 8000,
+			.rate_max = 48000,
+		},
+		.probe = &renoir_dai_probe,
+	},
+
+	[I2S_SP_INSTANCE] = {
+		.id = I2S_SP_INSTANCE,
+		.name = "acp-sof-sp",
+		.playback = {
+			.rates = SNDRV_PCM_RATE_8000_96000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+			.channels_min = 2,
+			.channels_max = 8,
+			.rate_min = 8000,
+			.rate_max = 96000,
+		},
+		.capture = {
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 |
+				   SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S32_LE,
+			/* Supporting only stereo for I2S SP controller capture */
+			.channels_min = 2,
+			.channels_max = 2,
+			.rate_min = 8000,
+			.rate_max = 48000,
+		},
+		.probe = &renoir_dai_probe,
+	},
+
+	[PDM_DMIC_INSTANCE] = {
+		.id = PDM_DMIC_INSTANCE,
+		.name = "acp-sof-dmic",
+		.capture = {
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S32_LE,
+			.channels_min = 2,
+			.channels_max = 4,
+			.rate_min = 8000,
+			.rate_max = 48000,
+		},
+	},
+};
 
 /* AMD Renoir DSP ops */
 const struct snd_sof_dsp_ops sof_renoir_ops = {
@@ -49,6 +136,10 @@ const struct snd_sof_dsp_ops sof_renoir_ops = {
 	.get_mailbox_offset	= acp_sof_ipc_get_mailbox_offset,
 	.irq_thread		= acp_sof_ipc_irq_thread,
 	.fw_ready		= sof_fw_ready,
+
+	/* DAI drivers */
+	.drv			= renoir_sof_dai,
+	.num_drv		= ARRAY_SIZE(renoir_sof_dai),
 };
 EXPORT_SYMBOL(sof_renoir_ops);