1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt9123.c -- RT9123 (SW I2C Mode) ALSA SoC Codec driver
25 #include <sound/soc-dai.h>
26 #include <sound/soc-dapm.h>
57 	struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);  in rt9123_enable_event()
58 	struct device *dev = comp->dev;  in rt9123_enable_event()
70 		return -EINVAL;  in rt9123_enable_event()
96 static const DECLARE_TLV_DB_SCALE(dig_tlv, -10375, 25, 0);
98 				  0, 0, TLV_DB_SCALE_ITEM(-1200, 0, 0),
111 	const char *kctlname = kcontrol->id.name;  in rt9123_kcontrol_name_comp()
113 	if (comp && comp->name_prefix)  in rt9123_kcontrol_name_comp()
114 		kctlname += strlen(comp->name_prefix) + 1;  in rt9123_kcontrol_name_comp()
122 	struct device *dev = comp->dev;  in rt9123_xhandler_get()
131 	 * volatile RG address, special handling here with pm runtime API to guarantee RG read  in rt9123_xhandler_get()
149 	struct device *dev = comp->dev;  in rt9123_xhandler_put()
158 	 * volatile RG address, special handling here with pm runtime API to guarantee RG write  in rt9123_xhandler_put()
198 	rt9123->dai_fmt = fmt;  in rt9123_dai_set_format()
206 	struct snd_soc_component *comp = dai->component;  in rt9123_dai_set_tdm_slot()
207 	struct device *dev = dai->dev;  in rt9123_dai_set_tdm_slot()
216 		return -EINVAL;  in rt9123_dai_set_tdm_slot()
221 		return -EINVAL;  in rt9123_dai_set_tdm_slot()
225 	rx_loc = (ffs(rx_mask) - 1) * slot_width / 8;  in rt9123_dai_set_tdm_slot()
228 	rt9123->tdm_slots = slots;  in rt9123_dai_set_tdm_slot()
229 	rt9123->tdm_slot_width = slot_width;  in rt9123_dai_set_tdm_slot()
238 	struct snd_soc_component *comp = dai->component;  in rt9123_dai_hw_params()
240 	struct device *dev = dai->dev;  in rt9123_dai_hw_params()
243 	fmtval = FIELD_GET(SND_SOC_DAIFMT_FORMAT_MASK, rt9123->dai_fmt);  in rt9123_dai_hw_params()
244 	if (rt9123->tdm_slots && fmtval != SND_SOC_DAIFMT_DSP_A && fmtval != SND_SOC_DAIFMT_DSP_B) {  in rt9123_dai_hw_params()
246 		return -EINVAL;  in rt9123_dai_hw_params()
260 		audfmt = rt9123->tdm_slots ? 4 : 3;  in rt9123_dai_hw_params()
263 		audfmt = rt9123->tdm_slots ? 12 : 11;  in rt9123_dai_hw_params()
267 		return -EINVAL;  in rt9123_dai_hw_params()
288 		return -EINVAL;  in rt9123_dai_hw_params()
292 	if (rt9123->tdm_slots && slot_width > rt9123->tdm_slot_width) {  in rt9123_dai_hw_params()
294 		return -EINVAL;  in rt9123_dai_hw_params()
379 	struct device *dev = &i2c->dev;  in rt9123_i2c_probe()
388 		return -ENOMEM;  in rt9123_i2c_probe()
390 	rt9123->enable = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH);  in rt9123_i2c_probe()
391 	if (IS_ERR(rt9123->enable))  in rt9123_i2c_probe()
392 		return PTR_ERR(rt9123->enable);  in rt9123_i2c_probe()
393 	else if (rt9123->enable)  in rt9123_i2c_probe()
401 		return dev_err_probe(dev, ret, "Failed to read vendor-id\n");  in rt9123_i2c_probe()
405 		return dev_err_probe(dev, -ENODEV, "Incorrect vendor-id 0x%04x\n", venid);  in rt9123_i2c_probe()
427 		return dev_err_probe(dev, ret, "Failed to enable pm runtime\n");  in rt9123_i2c_probe()
438 	if (rt9123->enable) {  in rt9123_runtime_suspend()
441 		gpiod_set_value(rt9123->enable, 0);  in rt9123_runtime_suspend()
453 	if (rt9123->enable) {  in rt9123_runtime_resume()
454 		gpiod_set_value(rt9123->enable, 1);  in rt9123_runtime_resume()
492 		.pm = pm_ptr(&rt9123_dev_pm_ops),