2  * max9867.c -- max9867 ALSA SoC Audio driver
4  * Copyright 2013-15 Maxim Integrated Products
37 static DECLARE_TLV_DB_SCALE(max9860_capture_tlv, -600, 200, 0);
39 static DECLARE_TLV_DB_SCALE(max9860_adc_left_tlv, -1200, 100, 1);
40 static DECLARE_TLV_DB_SCALE(max9860_adc_right_tlv, -1200, 100, 1);
65 	SOC_SINGLE("Volume Smoothing Switch", MAX9867_MODECONFIG, 6, 1, 0),
66 	SOC_SINGLE("ZCD Switch", MAX9867_MODECONFIG, 5, 1, 0),
80 	SOC_DAPM_SINGLE("Switch", MAX9867_PWRMAN, 6, 1, 0);
82 	SOC_DAPM_SINGLE("Switch", MAX9867_PWRMAN, 5, 1, 0);
84 	SOC_DAPM_SINGLE("Switch", MAX9867_LEFTLINELVL, 6, 1, 1);
123 	{"Right Line", "Switch", "Input Mux"},
124 	{"Left Line", "Switch", "Input Mux"},
159 		return -EINVAL;  in get_ni_value()
161 	switch (rate) {  in get_ni_value()
174 		ret = -EINVAL;  in get_ni_value()
182 	struct snd_soc_component *component = dai->component;  in max9867_dai_hw_params()
187 	value = get_ni_value(max9867->sysclk, params_rate(params));  in max9867_dai_hw_params()
194 	regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKHIGH,  in max9867_dai_hw_params()
196 	regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKLOW,  in max9867_dai_hw_params()
198 	if (!max9867->master) {  in max9867_dai_hw_params()
203 		regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKLOW,  in max9867_dai_hw_params()
205 		regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKHIGH,  in max9867_dai_hw_params()
212 		pclk_bclk_ratio = max9867->pclk/bclk_rate;  in max9867_dai_hw_params()
213 		switch (params_width(params)) {  in max9867_dai_hw_params()
216 			switch (pclk_bclk_ratio) {  in max9867_dai_hw_params()
230 				dev_err(component->dev,  in max9867_dai_hw_params()
232 				return -EINVAL;  in max9867_dai_hw_params()
242 			dev_err(component->dev, "unsupported sampling rate\n");  in max9867_dai_hw_params()
243 			return -EINVAL;  in max9867_dai_hw_params()
245 		regmap_update_bits(max9867->regmap, MAX9867_IFC1B,  in max9867_dai_hw_params()
253 	struct snd_soc_component *component = dai->component;  in max9867_mute()
257 		regmap_update_bits(max9867->regmap, MAX9867_DACLEVEL,  in max9867_mute()
260 		regmap_update_bits(max9867->regmap, MAX9867_DACLEVEL,  in max9867_mute()
266 		int clk_id, unsigned int freq, int dir)  in max9867_set_dai_sysclk()  argument
268 	struct snd_soc_component *component = codec_dai->component;  in max9867_set_dai_sysclk()
273 	if (freq >= 10000000 && freq <= 20000000) {  in max9867_set_dai_sysclk()
275 		max9867->pclk =  freq;  in max9867_set_dai_sysclk()
276 	} else if (freq >= 20000000 && freq <= 40000000) {  in max9867_set_dai_sysclk()
278 		max9867->pclk =  freq/2;  in max9867_set_dai_sysclk()
279 	} else if (freq >= 40000000 && freq <= 60000000) {  in max9867_set_dai_sysclk()
281 		max9867->pclk =  freq/4;  in max9867_set_dai_sysclk()
283 		dev_err(component->dev,  in max9867_set_dai_sysclk()
284 			"Invalid clock frequency %uHz (required 10-60MHz)\n",  in max9867_set_dai_sysclk()
285 			freq);  in max9867_set_dai_sysclk()
286 		return -EINVAL;  in max9867_set_dai_sysclk()
289 	max9867->sysclk = freq;  in max9867_set_dai_sysclk()
292 	regmap_update_bits(max9867->regmap, MAX9867_SYSCLK,  in max9867_set_dai_sysclk()
300 	struct snd_soc_component *component = codec_dai->component;  in max9867_dai_set_fmt()
304 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {  in max9867_dai_set_fmt()
306 		max9867->master = 1;  in max9867_dai_set_fmt()
310 		max9867->master = 0;  in max9867_dai_set_fmt()
314 		return -EINVAL;  in max9867_dai_set_fmt()
317 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {  in max9867_dai_set_fmt()
325 		return -EINVAL;  in max9867_dai_set_fmt()
329 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {  in max9867_dai_set_fmt()
342 		return -EINVAL;  in max9867_dai_set_fmt()
345 	regmap_write(max9867->regmap, MAX9867_IFC1A, iface1A);  in max9867_dai_set_fmt()
346 	regmap_write(max9867->regmap, MAX9867_IFC1B, iface1B);  in max9867_dai_set_fmt()
363 	.name = "max9867-aif1",
408 	switch (level) {  in max9867_set_bias_level()
411 			err = regcache_sync(max9867->regmap);  in max9867_set_bias_level()
415 			err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,  in max9867_set_bias_level()
422 		err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,  in max9867_set_bias_level()
427 		regcache_mark_dirty(max9867->regmap);  in max9867_set_bias_level()
454 	switch (reg) {  in max9867_volatile_register()
504 	max9867 = devm_kzalloc(&i2c->dev,  in max9867_i2c_probe()
507 		return -ENOMEM;  in max9867_i2c_probe()
510 	max9867->regmap = devm_regmap_init_i2c(i2c, &max9867_regmap);  in max9867_i2c_probe()
511 	if (IS_ERR(max9867->regmap)) {  in max9867_i2c_probe()
512 		ret = PTR_ERR(max9867->regmap);  in max9867_i2c_probe()
513 		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);  in max9867_i2c_probe()
516 	ret = regmap_read(max9867->regmap,  in max9867_i2c_probe()
519 		dev_err(&i2c->dev, "Failed to read: %d\n", ret);  in max9867_i2c_probe()
522 	dev_info(&i2c->dev, "device revision: %x\n", reg);  in max9867_i2c_probe()
523 	ret = devm_snd_soc_register_component(&i2c->dev, &max9867_component,  in max9867_i2c_probe()
526 		dev_err(&i2c->dev, "Failed to register component: %d\n", ret);  in max9867_i2c_probe()