[PATCH v2] ASoC: fsl_rpmsg: add soc specific data structure

[Shengjiu Wang]

Each platform has different supported rates and
formats, so add soc specific data for each platform.
This soc specific data is attached with compatible string.

Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
Reviewed-by: Fabio Estevam <festevam at gmail.com>
---
changes in v2:
- remove checking rpmsg->soc_data is NULL
- add Reviewed-by Fabio

 sound/soc/fsl/fsl_rpmsg.c | 46 +++++++++++++++++++++++++++++++++++----
 sound/soc/fsl/fsl_rpmsg.h | 12 ++++++++++
 2 files changed, 54 insertions(+), 4 deletions(-)

diff --git a/sound/soc/fsl/fsl_rpmsg.c b/sound/soc/fsl/fsl_rpmsg.c
index d60f4dac6c1b..07abad7fe372 100644
--- a/sound/soc/fsl/fsl_rpmsg.c
+++ b/sound/soc/fsl/fsl_rpmsg.c
@@ -138,11 +138,42 @@ static const struct snd_soc_component_driver fsl_component = {
 	.name           = "fsl-rpmsg",
 };
 
+static const struct fsl_rpmsg_soc_data imx7ulp_data = {
+	.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
+		 SNDRV_PCM_RATE_48000,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE,
+};
+
+static const struct fsl_rpmsg_soc_data imx8mm_data = {
+	.rates = SNDRV_PCM_RATE_KNOT,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
+		   SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_DSD_U8 |
+		   SNDRV_PCM_FMTBIT_DSD_U16_LE | SNDRV_PCM_FMTBIT_DSD_U32_LE,
+};
+
+static const struct fsl_rpmsg_soc_data imx8mn_data = {
+	.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+		 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+		 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+		 SNDRV_PCM_RATE_192000,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
+		   SNDRV_PCM_FMTBIT_S32_LE,
+};
+
+static const struct fsl_rpmsg_soc_data imx8mp_data = {
+	.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+		 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+		 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+		 SNDRV_PCM_RATE_192000,
+	.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
+		   SNDRV_PCM_FMTBIT_S32_LE,
+};
+
 static const struct of_device_id fsl_rpmsg_ids[] = {
-	{ .compatible = "fsl,imx7ulp-rpmsg-audio"},
-	{ .compatible = "fsl,imx8mm-rpmsg-audio"},
-	{ .compatible = "fsl,imx8mn-rpmsg-audio"},
-	{ .compatible = "fsl,imx8mp-rpmsg-audio"},
+	{ .compatible = "fsl,imx7ulp-rpmsg-audio", .data = &imx7ulp_data},
+	{ .compatible = "fsl,imx8mm-rpmsg-audio", .data = &imx8mm_data},
+	{ .compatible = "fsl,imx8mn-rpmsg-audio", .data = &imx8mn_data},
+	{ .compatible = "fsl,imx8mp-rpmsg-audio", .data = &imx8mp_data},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, fsl_rpmsg_ids);
@@ -157,6 +188,13 @@ static int fsl_rpmsg_probe(struct platform_device *pdev)
 	if (!rpmsg)
 		return -ENOMEM;
 
+	rpmsg->soc_data = of_device_get_match_data(&pdev->dev);
+
+	fsl_rpmsg_dai.playback.rates = rpmsg->soc_data->rates;
+	fsl_rpmsg_dai.capture.rates = rpmsg->soc_data->rates;
+	fsl_rpmsg_dai.playback.formats = rpmsg->soc_data->formats;
+	fsl_rpmsg_dai.capture.formats = rpmsg->soc_data->formats;
+
 	if (of_property_read_bool(np, "fsl,enable-lpa")) {
 		rpmsg->enable_lpa = 1;
 		rpmsg->buffer_size = LPA_LARGE_BUFFER_SIZE;
diff --git a/sound/soc/fsl/fsl_rpmsg.h b/sound/soc/fsl/fsl_rpmsg.h
index 4f5b49eb18d8..b04086fbf828 100644
--- a/sound/soc/fsl/fsl_rpmsg.h
+++ b/sound/soc/fsl/fsl_rpmsg.h
@@ -6,6 +6,16 @@
 #ifndef __FSL_RPMSG_H
 #define __FSL_RPMSG_H
 
+/*
+ * struct fsl_rpmsg_soc_data
+ * @rates: supported rates
+ * @formats: supported formats
+ */
+struct fsl_rpmsg_soc_data {
+	int rates;
+	u64 formats;
+};
+
 /*
  * struct fsl_rpmsg - rpmsg private data
  *
@@ -15,6 +25,7 @@
  * @pll8k: parent clock for multiple of 8kHz frequency
  * @pll11k: parent clock for multiple of 11kHz frequency
  * @card_pdev: Platform_device pointer to register a sound card
+ * @soc_data: soc specific data
  * @mclk_streams: Active streams that are using baudclk
  * @force_lpa: force enable low power audio routine if condition satisfy
  * @enable_lpa: enable low power audio routine according to dts setting
@@ -27,6 +38,7 @@ struct fsl_rpmsg {
 	struct clk *pll8k;
 	struct clk *pll11k;
 	struct platform_device *card_pdev;
+	const struct fsl_rpmsg_soc_data *soc_data;
 	unsigned int mclk_streams;
 	int force_lpa;
 	int enable_lpa;
-- 
2.17.1