1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
27 	struct gpio_desc *reset;  member
38 	/* put the device in reset */  in es7241_set_mode()
39 	gpiod_set_value_cansleep(priv->reset, 0);  in es7241_set_mode()
41 	/* set the mode */  in es7241_set_mode()
42 	gpiod_set_value_cansleep(priv->m0, m0);  in es7241_set_mode()
43 	gpiod_set_value_cansleep(priv->m1, m1);  in es7241_set_mode()
45 	/* take the device out of reset - datasheet does not specify a delay */  in es7241_set_mode()
46 	gpiod_set_value_cansleep(priv->reset, 1);  in es7241_set_mode()
50 				    const struct es7241_clock_mode *mode,  in es7241_set_consumer_mode()  argument
58 	for (j = 0; j < mode->slv_mfs_num; j++) {  in es7241_set_consumer_mode()
59 		if (mode->slv_mfs[j] == mfs)  in es7241_set_consumer_mode()
63 	return -EINVAL;  in es7241_set_consumer_mode()
71 				    const struct es7241_clock_mode *mode,  in es7241_set_provider_mode()  argument
78 	if (mfs && mfs != mode->mst_mfs)  in es7241_set_provider_mode()
79 		return -EINVAL;  in es7241_set_provider_mode()
81 	es7241_set_mode(priv, mode->mst_m0, mode->mst_m1);  in es7241_set_provider_mode()
92 	unsigned int mfs = priv->mclk / rate;  in es7241_hw_params()
95 	for (i = 0; i < priv->chip->mode_num; i++) {  in es7241_hw_params()
96 		const struct es7241_clock_mode *mode = &priv->chip->modes[i];  in es7241_hw_params()  local
98 		if (rate < mode->rate_min || rate >= mode->rate_max)  in es7241_hw_params()
101 		if (priv->is_consumer)  in es7241_hw_params()
102 			return es7241_set_consumer_mode(priv, mode, mfs);  in es7241_hw_params()
104 			return es7241_set_provider_mode(priv, mode, mfs);  in es7241_hw_params()
108 	dev_err(dai->dev, "unsupported rate: %u\n", rate);  in es7241_hw_params()
109 	return -EINVAL;  in es7241_hw_params()
118 		priv->mclk = freq;  in es7241_set_sysclk()
122 	return -ENOTSUPP;  in es7241_set_sysclk()
130 		dev_err(dai->dev, "Unsupported dai clock inversion\n");  in es7241_set_fmt()
131 		return -EINVAL;  in es7241_set_fmt()
134 	if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != priv->fmt) {  in es7241_set_fmt()
135 		dev_err(dai->dev, "Invalid dai format\n");  in es7241_set_fmt()
136 		return -EINVAL;  in es7241_set_fmt()
141 		priv->is_consumer = true;  in es7241_set_fmt()
144 		priv->is_consumer = false;  in es7241_set_fmt()
148 		dev_err(dai->dev, "Unsupported clock configuration\n");  in es7241_set_fmt()
149 		return -EINVAL;  in es7241_set_fmt()
162 	.name = "es7241-hifi",
177 		/* Single speed mode */
186 		/* Double speed mode */
195 		/* Quad speed mode */
243 	 * pull-up for i2s, pull-down for left justified.  in es7241_parse_fmt()
245 	is_leftj = of_property_read_bool(dev->of_node,  in es7241_parse_fmt()
246 					 "everest,sdout-pull-down");  in es7241_parse_fmt()
248 		priv->fmt = SND_SOC_DAIFMT_LEFT_J;  in es7241_parse_fmt()
250 		priv->fmt = SND_SOC_DAIFMT_I2S;  in es7241_parse_fmt()
255 	struct device *dev = &pdev->dev;  in es7241_probe()
260 		return -ENOMEM;  in es7241_probe()
263 	priv->chip = of_device_get_match_data(dev);  in es7241_probe()
264 	if (!priv->chip) {  in es7241_probe()
266 		return -ENODEV;  in es7241_probe()
271 	priv->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);  in es7241_probe()
272 	if (IS_ERR(priv->reset))  in es7241_probe()
273 		return dev_err_probe(dev, PTR_ERR(priv->reset),  in es7241_probe()
274 				     "Failed to get 'reset' gpio");  in es7241_probe()
276 	priv->m0 = devm_gpiod_get_optional(dev, "m0", GPIOD_OUT_LOW);  in es7241_probe()
277 	if (IS_ERR(priv->m0))  in es7241_probe()
278 		return dev_err_probe(dev, PTR_ERR(priv->m0),  in es7241_probe()
281 	priv->m1 = devm_gpiod_get_optional(dev, "m1", GPIOD_OUT_LOW);  in es7241_probe()
282 	if (IS_ERR(priv->m1))  in es7241_probe()
283 		return dev_err_probe(dev, PTR_ERR(priv->m1),  in es7241_probe()
286 	return devm_snd_soc_register_component(&pdev->dev,  in es7241_probe()