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Commit edbc5222 authored by Sudheer Papothi's avatar Sudheer Papothi
Browse files

ASoC: wsa883x: Add support for interrupt handling and variant 



Add support to handle wsa883x codec interrupts and runtime
detection of wsa883x variant.

Change-Id: I06fc113a390c04e890062761cff8ae7436acb662
Signed-off-by: default avatarSudheer Papothi <spapothi@codeaurora.org>
parent 7ae9fa55

asoc/codecs/wsa883x/internal.h

+3 −1
Original line number Diff line number Diff line
@@ -78,7 +78,6 @@ struct wsa883x_priv { 
	bool visense_enable;

	bool ext_vdd_spk;

	struct swr_port port[WSA883X_MAX_SWR_PORTS];

	int pd_gpio;

	int global_pa_cnt;

	int dev_mode;

	struct mutex res_lock;
@@ -87,6 +86,9 @@ struct wsa883x_priv { 
	struct device_node *wsa_rst_np;

	int pa_mute;

	int curr_temp;

	int variant;

	struct irq_domain *virq;

	struct wcd_irq_info irq_info;

#ifdef CONFIG_DEBUG_FS

	struct dentry *debugfs_dent;

	struct dentry *debugfs_peek;

asoc/codecs/wsa883x/wsa883x.c

+196 −10
Original line number Diff line number Diff line
@@ -53,6 +53,51 @@ struct wsa_temp_register { 


static int wsa883x_get_temperature(struct snd_soc_component *component,

				   int *temp);

enum {

	WSA8830 = 0,

	WSA8835,

};



enum {

	WSA883X_IRQ_INT_SAF2WAR = 0,

	WSA883X_IRQ_INT_WAR2SAF,

	WSA883X_IRQ_INT_DISABLE,

	WSA883X_IRQ_INT_OCP,

	WSA883X_IRQ_INT_CLIP,

	WSA883X_IRQ_INT_PDM_WD,

	WSA883X_IRQ_INT_CLK_WD,

	WSA883X_IRQ_INT_INTR_PIN,

	WSA883X_IRQ_INT_UVLO,

	WSA883X_IRQ_INT_PA_ON_ERR,

};



static const struct regmap_irq wsa883x_irqs[WSA883X_NUM_IRQS] = {

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_SAF2WAR, 0, 0x01),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_WAR2SAF, 0, 0x02),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_DISABLE, 0, 0x04),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_OCP, 0, 0x08),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_CLIP, 0, 0x10),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_PDM_WD, 0, 0x20),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_CLK_WD, 0, 0x40),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_INTR_PIN, 0, 0x80),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_UVLO, 1, 0x01),

	REGMAP_IRQ_REG(WSA883X_IRQ_INT_PA_ON_ERR, 1, 0x02),

};



static struct regmap_irq_chip wsa883x_regmap_irq_chip = {

	.name = "wsa883x",

	.irqs = wsa883x_irqs,

	.num_irqs = ARRAY_SIZE(wsa883x_irqs),

	.num_regs = 2,

	.status_base = WSA883X_INTR_STATUS0,

	.mask_base = WSA883X_INTR_MASK0,

	.type_base = WSA883X_INTR_LEVEL0,

	.ack_base = WSA883X_INTR_CLEAR0,

	.use_ack = 1,

	.runtime_pm = false,

	.irq_drv_data = NULL,

};



#ifdef CONFIG_DEBUG_FS

static int codec_debug_open(struct inode *inode, struct file *file)

{
@@ -289,6 +334,76 @@ static const struct file_operations codec_debug_dump_ops = { 
};

#endif



static irqreturn_t wsa883x_saf2war_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_war2saf_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_otp_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_ocp_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_clip_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_pdm_wd_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_clk_wd_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_ext_int_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_uvlo_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static irqreturn_t wsa883x_pa_on_err_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	return IRQ_HANDLED;

}



static const char * const wsa_dev_mode_text[] = {

	"speaker", "receiver", "ultrasound"

};
@@ -986,39 +1101,87 @@ static int wsa883x_swr_probe(struct swr_device *pdev) 
		goto dev_err;

	}



	/* Set all interrupts as edge triggered */

	for (i = 0; i < wsa883x_regmap_irq_chip.num_regs; i++)

		regmap_write(wsa883x->regmap, (WSA883X_INTR_LEVEL0 + i), 0);



	wsa883x_regmap_irq_chip.irq_drv_data = wsa883x;

	wsa883x->irq_info.wcd_regmap_irq_chip = &wsa883x_regmap_irq_chip;

	wsa883x->irq_info.codec_name = "WSA883X";

	wsa883x->irq_info.regmap = wsa883x->regmap;

	wsa883x->irq_info.dev = dev;

	ret = wcd_irq_init(&wsa883x->irq_info, &wsa883x->virq);



	if (ret) {

		dev_err(wsa883x->dev, "%s: IRQ init failed: %d\n",

			__func__, ret);

		goto dev_err;

	}



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR,

			"WSA SAF2WAR", wsa883x_saf2war_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF,

			"WSA WAR2SAF", wsa883x_war2saf_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE,

			"WSA OTP", wsa883x_otp_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP,

			"WSA OCP", wsa883x_ocp_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP,

			"WSA CLIP", wsa883x_clip_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD,

			"WSA PDM WD", wsa883x_pdm_wd_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD,

			"WSA CLK WD", wsa883x_clk_wd_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN,

			"WSA EXT INT", wsa883x_ext_int_handle_irq, NULL);



	/* Under Voltage Lock out (UVLO) interrupt handle */

	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO,

			"WSA UVLO", wsa883x_uvlo_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR,

			"WSA PA ERR", wsa883x_pa_on_err_handle_irq, NULL);



	ret = snd_soc_register_component(&pdev->dev, &soc_codec_dev_wsa883x,

				     NULL, 0);

	if (ret) {

		dev_err(&pdev->dev, "%s: Codec registration failed\n",

			__func__);

		goto dev_err;

		goto err_irq;

	}

	mutex_init(&wsa883x->res_lock);



#ifdef CONFIG_DEBUG_FS

	if (!wcd938x->debugfs_dent) {

		wcd938x->debugfs_dent = debugfs_create_dir(

	if (!wsa883x->debugfs_dent) {

		wsa883x->debugfs_dent = debugfs_create_dir(

					dev_name(&pdev->dev), 0);

		if (!IS_ERR(wcd938x->debugfs_dent)) {

			wcd938x->debugfs_peek =

		if (!IS_ERR(wsa883x->debugfs_dent)) {

			wsa883x->debugfs_peek =

				debugfs_create_file("swrslave_peek",

				S_IFREG | 0444,

				wcd938x->debugfs_dent,

				wsa883x->debugfs_dent,

				(void *) pdev,

				&codec_debug_read_ops);



		wcd938x->debugfs_poke =

		wsa883x->debugfs_poke =

				debugfs_create_file("swrslave_poke",

				S_IFREG | 0444,

				wcd938x->debugfs_dent,

				wsa883x->debugfs_dent,

				(void *) pdev,

				&codec_debug_write_ops);



		wcd938x->debugfs_reg_dump =

		wsa883x->debugfs_reg_dump =

				debugfs_create_file(

				"swrslave_reg_dump",

				S_IFREG | 0444,

				wcd938x->debugfs_dent,

				wsa883x->debugfs_dent,

				(void *) pdev,

				&codec_debug_dump_ops);

	}
@@ -1027,6 +1190,18 @@ static int wsa883x_swr_probe(struct swr_device *pdev) 


	return 0;



err_irq:

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR, NULL);

	wcd_irq_exit(&wsa883x->irq_info, wsa883x->virq);

dev_err:

	if (pin_state_current == false)

		wsa883x_gpio_ctrl(wsa883x, false);
@@ -1044,6 +1219,17 @@ static int wsa883x_swr_remove(struct swr_device *pdev) 
		dev_err(&pdev->dev, "%s: wsa883x is NULL\n", __func__);

		return -EINVAL;

	}



	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO, NULL);

	wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR, NULL);

#ifdef CONFIG_DEBUG_FS

	debugfs_remove_recursive(wsa883x->debugfs_dent);

	wsa883x->debugfs_dent = NULL;