ASoC: fsl_esai: introduce SoC specific data (6878e752) · Commits · 戴 / test

sound/soc/fsl/fsl_esai.c

+37 −9

Original line number	Diff line number	Diff line
		@@ -21,6 +21,17 @@
		SNDRV_PCM_FMTBIT_S20_3LE \| \
		SNDRV_PCM_FMTBIT_S24_LE)

		/**
		* fsl_esai_soc_data: soc specific data
		*
		* @imx: for imx platform
		* @reset_at_xrun: flags for enable reset operaton
		*/
		struct fsl_esai_soc_data {
		bool imx;
		bool reset_at_xrun;
		};

		/**
		* fsl_esai: ESAI private data
		*
		@@ -33,6 +44,7 @@
		* @fsysclk: system clock source to derive HCK, SCK and FS
		* @spbaclk: SPBA clock (optional, depending on SoC design)
		* @task: tasklet to handle the reset operation
		* @soc: soc specific data
		* @lock: spin lock between hw_reset() and trigger()
		* @fifo_depth: depth of tx/rx FIFO
		* @slot_width: width of each DAI slot
		@@ -44,7 +56,6 @@
		* @sck_div: if using PSR/PM dividers for SCKx clock
		* @slave_mode: if fully using DAI slave mode
		* @synchronous: if using tx/rx synchronous mode
		* @reset_at_xrun: flags for enable reset operaton
		* @name: driver name
		*/
		struct fsl_esai {
		@@ -57,6 +68,7 @@ struct fsl_esai {
		struct clk *fsysclk;
		struct clk *spbaclk;
		struct tasklet_struct task;
		const struct fsl_esai_soc_data *soc;
		spinlock_t lock; /* Protect hw_reset and trigger */
		u32 fifo_depth;
		u32 slot_width;
		@@ -70,10 +82,24 @@ struct fsl_esai {
		bool sck_div[2];
		bool slave_mode;
		bool synchronous;
		bool reset_at_xrun;
		char name[32];
		};

		static struct fsl_esai_soc_data fsl_esai_vf610 = {
		.imx = false,
		.reset_at_xrun = true,
		};

		static struct fsl_esai_soc_data fsl_esai_imx35 = {
		.imx = true,
		.reset_at_xrun = true,
		};

		static struct fsl_esai_soc_data fsl_esai_imx6ull = {
		.imx = true,
		.reset_at_xrun = false,
		};

		static irqreturn_t esai_isr(int irq, void *devid)
		{
		struct fsl_esai esai_priv = (struct fsl_esai )devid;
		@@ -85,7 +111,7 @@ static irqreturn_t esai_isr(int irq, void *devid)
		regmap_read(esai_priv->regmap, REG_ESAI_SAISR, &saisr);

		if ((saisr & (ESAI_SAISR_TUE \| ESAI_SAISR_ROE)) &&
		esai_priv->reset_at_xrun) {
		esai_priv->soc->reset_at_xrun) {
		dev_dbg(&pdev->dev, "reset module for xrun\n");
		regmap_update_bits(esai_priv->regmap, REG_ESAI_TCR,
		ESAI_xCR_xEIE_MASK, 0);
		@@ -936,9 +962,11 @@ static int fsl_esai_probe(struct platform_device *pdev)
		esai_priv->pdev = pdev;
		snprintf(esai_priv->name, sizeof(esai_priv->name), "%pOFn", np);

		if (of_device_is_compatible(np, "fsl,vf610-esai") \|\|
		of_device_is_compatible(np, "fsl,imx35-esai"))
		esai_priv->reset_at_xrun = true;
		esai_priv->soc = of_device_get_match_data(&pdev->dev);
		if (!esai_priv->soc) {
		dev_err(&pdev->dev, "failed to get soc data\n");
		return -ENODEV;
		}

		/* Get the addresses and IRQ */
		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
		@@ -1063,9 +1091,9 @@ static int fsl_esai_remove(struct platform_device *pdev)
		}

		static const struct of_device_id fsl_esai_dt_ids[] = {
		{ .compatible = "fsl,imx35-esai", },
		{ .compatible = "fsl,vf610-esai", },
		{ .compatible = "fsl,imx6ull-esai", },
		{ .compatible = "fsl,imx35-esai", .data = &fsl_esai_imx35 },
		{ .compatible = "fsl,vf610-esai", .data = &fsl_esai_vf610 },
		{ .compatible = "fsl,imx6ull-esai", .data = &fsl_esai_imx6ull },
		{}
		};
		MODULE_DEVICE_TABLE(of, fsl_esai_dt_ids);

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