1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt1019.c  --  RT1019 ALSA SoC audio amplifier driver
26 #include <sound/soc-dapm.h>
62 	switch (reg) {  in rt1019_volatile_register()
78 	switch (reg) {  in rt1019_readable_register()
109 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
123 	SOC_ENUM("Mono LR Select", rt1019_mono_lr_sel),
129 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in r1019_dac_event()
131 	switch (event) {  in r1019_dac_event()
160 	struct snd_soc_component *component = dai->component;  in rt1019_hw_params()
167 	rt1019->lrck = params_rate(params);  in rt1019_hw_params()
168 	pre_div = rl6231_get_clk_info(rt1019->sysclk, rt1019->lrck);  in rt1019_hw_params()
170 		dev_err(component->dev, "Unsupported clock setting\n");  in rt1019_hw_params()
171 		return -EINVAL;  in rt1019_hw_params()
176 		dev_err(component->dev, "Unsupported frame size: %d\n", frame_size);  in rt1019_hw_params()
177 		return -EINVAL;  in rt1019_hw_params()
181 	rt1019->bclk = rt1019->lrck * (32 << bclk_ms);  in rt1019_hw_params()
183 	dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",  in rt1019_hw_params()
184 		rt1019->bclk, rt1019->lrck);  in rt1019_hw_params()
185 	dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",  in rt1019_hw_params()
186 				bclk_ms, pre_div, dai->id);  in rt1019_hw_params()
188 	switch (pre_div) {  in rt1019_hw_params()
211 		return -EINVAL;  in rt1019_hw_params()
214 	switch (params_width(params)) {  in rt1019_hw_params()
230 		return -EINVAL;  in rt1019_hw_params()
249 	struct snd_soc_component *component = dai->component;  in rt1019_set_dai_fmt()
252 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {  in rt1019_set_dai_fmt()
259 		return -EINVAL;  in rt1019_set_dai_fmt()
262 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {  in rt1019_set_dai_fmt()
279 		return -EINVAL;  in rt1019_set_dai_fmt()
291 		int clk_id, unsigned int freq, int dir)  in rt1019_set_dai_sysclk()  argument
293 	struct snd_soc_component *component = dai->component;  in rt1019_set_dai_sysclk()
297 	if (freq == rt1019->sysclk && clk_id == rt1019->sysclk_src)  in rt1019_set_dai_sysclk()
300 	switch (clk_id) {  in rt1019_set_dai_sysclk()
310 		dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);  in rt1019_set_dai_sysclk()
311 		return -EINVAL;  in rt1019_set_dai_sysclk()
314 	rt1019->sysclk = freq;  in rt1019_set_dai_sysclk()
315 	rt1019->sysclk_src = clk_id;  in rt1019_set_dai_sysclk()
317 	dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);  in rt1019_set_dai_sysclk()
328 	struct snd_soc_component *component = dai->component;  in rt1019_set_dai_pll()
334 		dev_dbg(component->dev, "PLL disabled\n");  in rt1019_set_dai_pll()
335 		rt1019->pll_in = 0;  in rt1019_set_dai_pll()
336 		rt1019->pll_out = 0;  in rt1019_set_dai_pll()
340 	if (source == rt1019->pll_src && freq_in == rt1019->pll_in &&  in rt1019_set_dai_pll()
341 		freq_out == rt1019->pll_out)  in rt1019_set_dai_pll()
344 	switch (source) {  in rt1019_set_dai_pll()
356 		dev_err(component->dev, "Unknown PLL source %d\n", source);  in rt1019_set_dai_pll()
357 		return -EINVAL;  in rt1019_set_dai_pll()
362 		dev_err(component->dev, "Unsupported input clock %d\n", freq_in);  in rt1019_set_dai_pll()
366 	dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",  in rt1019_set_dai_pll()
383 	rt1019->pll_in = freq_in;  in rt1019_set_dai_pll()
384 	rt1019->pll_out = freq_out;  in rt1019_set_dai_pll()
385 	rt1019->pll_src = source;  in rt1019_set_dai_pll()
393 	struct snd_soc_component *component = dai->component;  in rt1019_set_tdm_slot()
397 	switch (slots) {  in rt1019_set_tdm_slot()
410 		return -EINVAL;  in rt1019_set_tdm_slot()
413 	switch (slot_width) {  in rt1019_set_tdm_slot()
429 		return -EINVAL;  in rt1019_set_tdm_slot()
435 		ret = -EINVAL;  in rt1019_set_tdm_slot()
436 		dev_err(component->dev, "too many rx slots or zero slot\n");  in rt1019_set_tdm_slot()
441 	 * as the starting slot. The users could select the channel from  in rt1019_set_tdm_slot()
442 	 * L/R/L+R by "Mono LR Select" control.  in rt1019_set_tdm_slot()
445 	switch (first_bit) {  in rt1019_set_tdm_slot()
465 			((first_bit - 1) << RT1019_TDM_I2S_TX_L_DAC1_1_SFT) |  in rt1019_set_tdm_slot()
469 		ret = -EINVAL;  in rt1019_set_tdm_slot()
486 	rt1019->component = component;  in rt1019_probe()
506 		.name = "rt1019-aif",
569 	rt1019 = devm_kzalloc(&i2c->dev, sizeof(struct rt1019_priv),  in rt1019_i2c_probe()
572 		return -ENOMEM;  in rt1019_i2c_probe()
576 	rt1019->regmap = devm_regmap_init_i2c(i2c, &rt1019_regmap);  in rt1019_i2c_probe()
577 	if (IS_ERR(rt1019->regmap)) {  in rt1019_i2c_probe()
578 		ret = PTR_ERR(rt1019->regmap);  in rt1019_i2c_probe()
579 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",  in rt1019_i2c_probe()
584 	regmap_read(rt1019->regmap, RT1019_DEV_ID_1, &val);  in rt1019_i2c_probe()
585 	regmap_read(rt1019->regmap, RT1019_DEV_ID_2, &val2);  in rt1019_i2c_probe()
588 		dev_err(&i2c->dev,  in rt1019_i2c_probe()
590 		return -ENODEV;  in rt1019_i2c_probe()
593 	return devm_snd_soc_register_component(&i2c->dev,  in rt1019_i2c_probe()