1 // SPDX-License-Identifier: GPL-2.0-only
3 // rtq9124.c -- RTQ9124 ALSA SoC Codec driver
24 #include <sound/soc-dai.h>
25 #include <sound/soc-dapm.h>
65 	struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);  in rtq9124_enable_event()  local
78 		return -EINVAL;  in rtq9124_enable_event()
83 		snd_soc_component_write(comp, RTQ9124_REG_ERR_INT_0 + i, 0xffff);  in rtq9124_enable_event()
85 	snd_soc_component_write_field(comp, RTQ9124_REG_STATE_CTRL, RTQ9124_MASK_CH_STATE,  in rtq9124_enable_event()
102 static const DECLARE_TLV_DB_SCALE(dig_tlv, -10375, 25, 0);
104 				  0, 3, TLV_DB_SCALE_ITEM(-600, 600, 0),
124 static const char * const ulqm_dcvt_text[] = { "Disable", "DC", "VT", "DC+VT" };
141 static int rtq9124_comp_probe(struct snd_soc_component *comp)  in rtq9124_comp_probe()  argument
144 	snd_soc_component_write_field(comp, RTQ9124_REG_SDO_SEL, RTQ9124_MASK_CS_DATA_INV, 1);  in rtq9124_comp_probe()
147 	snd_soc_component_write(comp, RTQ9124_REG_DCR_TH, 0x5e30);  in rtq9124_comp_probe()
148 	snd_soc_component_write(comp, RTQ9124_REG_ERR_TH, 0x3ff);  in rtq9124_comp_probe()
149 	snd_soc_component_write(comp, RTQ9124_REG_PROT_EN, 0x3fc);  in rtq9124_comp_probe()
150 	snd_soc_component_write(comp, RTQ9124_REG_ERR_MASK6, 0);  in rtq9124_comp_probe()
171 	rtq9124->dai_fmt = fmt;  in rtq9124_dai_set_format()
179 	struct snd_soc_component *comp = dai->component;  in rtq9124_dai_set_tdm_slot()  local
180 	struct device *dev = dai->dev;  in rtq9124_dai_set_tdm_slot()
188 		return -EINVAL;  in rtq9124_dai_set_tdm_slot()
193 		return -EINVAL;  in rtq9124_dai_set_tdm_slot()
198 		return -EINVAL;  in rtq9124_dai_set_tdm_slot()
202 	for (i = 0; tx_mask; i++, tx_mask ^= BIT(ffs(tx_mask) - 1)) {  in rtq9124_dai_set_tdm_slot()
203 		byte_loc = (ffs(tx_mask) - 1) * slot_width / 8;  in rtq9124_dai_set_tdm_slot()
204 		snd_soc_component_write(comp, RTQ9124_REG_TDM_TX_CH0 + i, byte_loc);  in rtq9124_dai_set_tdm_slot()
208 	byte_loc = (ffs(rx_mask) - 1) * slot_width / 8;  in rtq9124_dai_set_tdm_slot()
209 	snd_soc_component_write(comp, RTQ9124_REG_TDM_RX_CH0, byte_loc);  in rtq9124_dai_set_tdm_slot()
211 	rtq9124->tdm_slots = slots;  in rtq9124_dai_set_tdm_slot()
212 	rtq9124->tdm_slot_width = slot_width;  in rtq9124_dai_set_tdm_slot()
221 	struct snd_soc_component *comp = dai->component;  in rtq9124_dai_hw_params()  local
223 	struct device *dev = dai->dev;  in rtq9124_dai_hw_params()
226 	fmtval = FIELD_GET(SND_SOC_DAIFMT_FORMAT_MASK, rtq9124->dai_fmt);  in rtq9124_dai_hw_params()
227 	if (rtq9124->tdm_slots && fmtval != SND_SOC_DAIFMT_DSP_A &&  in rtq9124_dai_hw_params()
230 		return -EINVAL;  in rtq9124_dai_hw_params()
244 		audfmt = rtq9124->tdm_slots ? 7 : 3;  in rtq9124_dai_hw_params()
247 		audfmt = rtq9124->tdm_slots ? 15 : 11;  in rtq9124_dai_hw_params()
251 		return -EINVAL;  in rtq9124_dai_hw_params()
267 		return -EINVAL;  in rtq9124_dai_hw_params()
270 	if (rtq9124->tdm_slots) {  in rtq9124_dai_hw_params()
272 		if (slot_width > rtq9124->tdm_slot_width) {  in rtq9124_dai_hw_params()
274 			return -EINVAL;  in rtq9124_dai_hw_params()
277 		bitrate = rtq9124->tdm_slots * rtq9124->tdm_slot_width * params_rate(param);  in rtq9124_dai_hw_params()
280 			return -EINVAL;  in rtq9124_dai_hw_params()
284 	snd_soc_component_write_field(comp, RTQ9124_REG_I2S_OPT, RTQ9124_MASK_AUD_FMT, audfmt);  in rtq9124_dai_hw_params()
285 	snd_soc_component_write_field(comp, RTQ9124_REG_I2S_OPT, RTQ9124_MASK_AUD_BITS, audbit);  in rtq9124_dai_hw_params()
390 		return -EIO;  in rtq9124_regmap_read()
432 	struct device *dev = &i2c->dev;  in rtq9124_probe()
439 		return -ENOMEM;  in rtq9124_probe()
441 	rtq9124->enable = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH);  in rtq9124_probe()
442 	if (IS_ERR(rtq9124->enable))  in rtq9124_probe()
443 		return PTR_ERR(rtq9124->enable);  in rtq9124_probe()
444 	else if (rtq9124->enable)  in rtq9124_probe()
454 		return dev_err_probe(dev, -ENODEV, "Incorrect project-code 0x%04x\n", ret);  in rtq9124_probe()
490 	if (rtq9124->enable) {  in rtq9124_runtime_suspend()
493 		gpiod_set_value(rtq9124->enable, 0);  in rtq9124_runtime_suspend()
505 	if (rtq9124->enable) {  in rtq9124_runtime_resume()
506 		gpiod_set_value(rtq9124->enable, 1);  in rtq9124_runtime_resume()