1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm8776.c  --  WM8776 ALSA SoC Audio driver
5  * Copyright 2009-12 Wolfson Microelectronics plc
83 static const DECLARE_TLV_DB_SCALE(hp_tlv, -12100, 100, 1);
84 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
85 static const DECLARE_TLV_DB_SCALE(adc_tlv, -10350, 50, 1);
104 SOC_DAPM_SINGLE("AIN1 Switch", WM8776_ADCMUX, 0, 1, 0),
105 SOC_DAPM_SINGLE("AIN2 Switch", WM8776_ADCMUX, 1, 1, 0),
120 SND_SOC_DAPM_INPUT("AIN1"),
121 SND_SOC_DAPM_INPUT("AIN2"),
144 	{ "Input Mixer", "AIN1 Switch", "AIN1" },
145 	{ "Input Mixer", "AIN2 Switch", "AIN2" },
166 	struct snd_soc_component *component = dai->component;  in wm8776_set_fmt()
169 	switch (dai->driver->id) {  in wm8776_set_fmt()
179 		return -EINVAL;  in wm8776_set_fmt()
191 		return -EINVAL;  in wm8776_set_fmt()
204 		return -EINVAL;  in wm8776_set_fmt()
220 		return -EINVAL;  in wm8776_set_fmt()
243 	struct snd_soc_component *component = dai->component;  in wm8776_hw_params()
249 	switch (dai->driver->id) {  in wm8776_hw_params()
261 		return -EINVAL;  in wm8776_hw_params()
279 		dev_err(component->dev, "Unsupported sample size: %i\n",  in wm8776_hw_params()
281 		return -EINVAL;  in wm8776_hw_params()
287 			if (wm8776->sysclk[dai->driver->id] / params_rate(params)  in wm8776_hw_params()
293 			dev_err(component->dev,  in wm8776_hw_params()
295 				wm8776->sysclk[dai->driver->id], params_rate(params));  in wm8776_hw_params()
296 			return -EINVAL;  in wm8776_hw_params()
299 		dev_dbg(component->dev, "MCLK is %dfs\n", mclk_ratios[i]);  in wm8776_hw_params()
304 		dev_dbg(component->dev, "DAI in slave mode\n");  in wm8776_hw_params()
314 	struct snd_soc_component *component = dai->component;  in wm8776_mute()
322 	struct snd_soc_component *component = dai->component;  in wm8776_set_sysclk()
325 	if (WARN_ON(dai->driver->id >= ARRAY_SIZE(wm8776->sysclk)))  in wm8776_set_sysclk()
326 		return -EINVAL;  in wm8776_set_sysclk()
328 	wm8776->sysclk[dai->driver->id] = freq;  in wm8776_set_sysclk()
345 			regcache_sync(wm8776->regmap);  in wm8776_set_bias_level()
379 		.name = "wm8776-hifi-playback",
393 		.name = "wm8776-hifi-capture",
414 		dev_err(component->dev, "Failed to issue reset: %d\n", ret);  in wm8776_probe()
465 	wm8776 = devm_kzalloc(&spi->dev, sizeof(struct wm8776_priv),  in wm8776_spi_probe()
468 		return -ENOMEM;  in wm8776_spi_probe()
470 	wm8776->regmap = devm_regmap_init_spi(spi, &wm8776_regmap);  in wm8776_spi_probe()
471 	if (IS_ERR(wm8776->regmap))  in wm8776_spi_probe()
472 		return PTR_ERR(wm8776->regmap);  in wm8776_spi_probe()
476 	ret = devm_snd_soc_register_component(&spi->dev,  in wm8776_spi_probe()
497 	wm8776 = devm_kzalloc(&i2c->dev, sizeof(struct wm8776_priv),  in wm8776_i2c_probe()
500 		return -ENOMEM;  in wm8776_i2c_probe()
502 	wm8776->regmap = devm_regmap_init_i2c(i2c, &wm8776_regmap);  in wm8776_i2c_probe()
503 	if (IS_ERR(wm8776->regmap))  in wm8776_i2c_probe()
504 		return PTR_ERR(wm8776->regmap);  in wm8776_i2c_probe()
508 	ret = devm_snd_soc_register_component(&i2c->dev,  in wm8776_i2c_probe()