1 // SPDX-License-Identifier: GPL-2.0-only
3  * rt298.c  --  RT298 ALSA SoC audio codec driver
16 #include <linux/spi/spi.h>
23 #include <sound/soc-dapm.h>
200 		snd_soc_component_write(component, rt298->index_cache[i].reg,  in rt298_index_sync()
201 				  rt298->index_cache[i].def);  in rt298_index_sync()
227 	if (!rt298->component)  in rt298_jack_detect()
228 		return -EINVAL;  in rt298_jack_detect()
230 	dapm = snd_soc_component_get_dapm(rt298->component);  in rt298_jack_detect()
232 	if (rt298->pdata.cbj_en) {  in rt298_jack_detect()
233 		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);  in rt298_jack_detect()
235 		if (*hp == rt298->is_hp_in)  in rt298_jack_detect()
236 			return -1;  in rt298_jack_detect()
237 		rt298->is_hp_in = *hp;  in rt298_jack_detect()
239 			/* power on HV,VERF */  in rt298_jack_detect()
240 			regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
243 			snd_soc_dapm_force_enable_pin(dapm, "HV");  in rt298_jack_detect()
249 			regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
251 			regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
254 			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);  in rt298_jack_detect()
257 			regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
260 			regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);  in rt298_jack_detect()
265 				regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
268 				regmap_read(rt298->regmap,  in rt298_jack_detect()
274 					regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
280 			regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
285 			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);  in rt298_jack_detect()
286 			regmap_update_bits(rt298->regmap,  in rt298_jack_detect()
290 		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);  in rt298_jack_detect()
292 		regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);  in rt298_jack_detect()
296 		snd_soc_dapm_disable_pin(dapm, "HV");  in rt298_jack_detect()
325 	snd_soc_jack_report(rt298->jack, status,  in rt298_jack_detect_work()
335 	rt298->jack = jack;  in rt298_mic_detect()
339 		if (rt298->jack->status & SND_JACK_HEADPHONE)  in rt298_mic_detect()
341 		if (rt298->jack->status & SND_JACK_MICROPHONE) {  in rt298_mic_detect()
342 			snd_soc_dapm_force_enable_pin(dapm, "HV");  in rt298_mic_detect()
345 		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);  in rt298_mic_detect()
347 		snd_soc_jack_report(rt298->jack, rt298->jack->status,  in rt298_mic_detect()
351 		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);  in rt298_mic_detect()
352 		snd_soc_dapm_disable_pin(dapm, "HV");  in rt298_mic_detect()
364 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);  in is_mclk_mode()
367 	if (rt298->clk_id == RT298_SCLK_S_MCLK)  in is_mclk_mode()
373 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
445 /* HP-OUT source */
452 /* SPK-OUT source */
462 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in rt298_spk_event()
484 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in rt298_set_dmic1_event()
503 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in rt298_adc_event()
506 	nid = (w->reg >> 20) & 0xff;  in rt298_adc_event()
549 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in rt298_mic1_event()
573 	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
682 	{"MIC1", NULL, "HV"},
691 	{"SPO", NULL, "HV"},
749 	struct snd_soc_component *component = dai->component;  in rt298_hw_params()
760 		dev_err(component->dev, "Unsupported sample rate %d\n",  in rt298_hw_params()
762 		return -EINVAL;  in rt298_hw_params()
764 	switch (rt298->sys_clk) {  in rt298_hw_params()
768 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",  in rt298_hw_params()
769 					params_rate(params), rt298->sys_clk);  in rt298_hw_params()
770 			return -EINVAL;  in rt298_hw_params()
776 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",  in rt298_hw_params()
777 					params_rate(params), rt298->sys_clk);  in rt298_hw_params()
778 			return -EINVAL;  in rt298_hw_params()
785 		val |= (params_channels(params) - 1);  in rt298_hw_params()
787 		dev_err(component->dev, "Unsupported channels %d\n",  in rt298_hw_params()
789 		return -EINVAL;  in rt298_hw_params()
814 		return -EINVAL;  in rt298_hw_params()
819 	dev_dbg(component->dev, "format val = 0x%x\n", val);  in rt298_hw_params()
829 	struct snd_soc_component *component = dai->component;  in rt298_set_dai_fmt()
841 		return -EINVAL;  in rt298_set_dai_fmt()
862 		return -EINVAL;  in rt298_set_dai_fmt()
864 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */  in rt298_set_dai_fmt()
874 	struct snd_soc_component *component = dai->component;  in rt298_set_dai_sysclk()
877 	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);  in rt298_set_dai_sysclk()
894 			dev_err(component->dev, "Should not use MCLK\n");  in rt298_set_dai_sysclk()
895 			return -EINVAL;  in rt298_set_dai_sysclk()
902 			dev_err(component->dev, "Should not use MCLK\n");  in rt298_set_dai_sysclk()
903 			return -EINVAL;  in rt298_set_dai_sysclk()
923 		dev_err(component->dev, "Unsupported system clock\n");  in rt298_set_dai_sysclk()
924 		return -EINVAL;  in rt298_set_dai_sysclk()
927 	rt298->sys_clk = freq;  in rt298_set_dai_sysclk()
928 	rt298->clk_id = clk_id;  in rt298_set_dai_sysclk()
935 	struct snd_soc_component *component = dai->component;  in rt298_set_bclk_ratio()
937 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);  in rt298_set_bclk_ratio()
988 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);  in rt298_irq()
997 		snd_soc_jack_report(rt298->jack, status,  in rt298_irq()
1000 		pm_wakeup_event(&rt298->i2c->dev, 300);  in rt298_irq()
1010 	rt298->component = component;  in rt298_probe()
1011 	INIT_DELAYED_WORK(&rt298->jack_detect_work, rt298_jack_detect_work);  in rt298_probe()
1013 	if (rt298->i2c->irq)  in rt298_probe()
1014 		schedule_delayed_work(&rt298->jack_detect_work,  in rt298_probe()
1023 	cancel_delayed_work_sync(&rt298->jack_detect_work);  in rt298_remove()
1024 	rt298->component = NULL;  in rt298_remove()
1032 	rt298->is_hp_in = -1;  in rt298_suspend()
1033 	regcache_cache_only(rt298->regmap, true);  in rt298_suspend()
1034 	regcache_mark_dirty(rt298->regmap);  in rt298_suspend()
1043 	regcache_cache_only(rt298->regmap, false);  in rt298_resume()
1045 	regcache_sync(rt298->regmap);  in rt298_resume()
1067 		.name = "rt298-aif1",
1087 		.name = "rt298-aif2",
1180 	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);  in rt298_i2c_probe()
1182 	struct device *dev = &i2c->dev;  in rt298_i2c_probe()
1186 	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),  in rt298_i2c_probe()
1189 		return -ENOMEM;  in rt298_i2c_probe()
1191 	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);  in rt298_i2c_probe()
1192 	if (IS_ERR(rt298->regmap)) {  in rt298_i2c_probe()
1193 		ret = PTR_ERR(rt298->regmap);  in rt298_i2c_probe()
1194 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",  in rt298_i2c_probe()
1199 	regmap_read(rt298->regmap,  in rt298_i2c_probe()
1202 		dev_err(&i2c->dev,  in rt298_i2c_probe()
1204 		return -ENODEV;  in rt298_i2c_probe()
1207 	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,  in rt298_i2c_probe()
1209 	if (!rt298->index_cache)  in rt298_i2c_probe()
1210 		return -ENOMEM;  in rt298_i2c_probe()
1212 	rt298->index_cache_size = INDEX_CACHE_SIZE;  in rt298_i2c_probe()
1213 	rt298->i2c = i2c;  in rt298_i2c_probe()
1218 		regmap_write(rt298->regmap, rt298->index_cache[i].reg,  in rt298_i2c_probe()
1219 				rt298->index_cache[i].def);  in rt298_i2c_probe()
1221 		regmap_write(rt298->regmap, rt298_reg[i].reg,  in rt298_i2c_probe()
1225 		rt298->pdata = *pdata;  in rt298_i2c_probe()
1228 	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);  in rt298_i2c_probe()
1229 	if (acpiid && acpiid->driver_data) {  in rt298_i2c_probe()
1230 		rt298->pdata = *(struct rt298_platform_data *)  in rt298_i2c_probe()
1231 				acpiid->driver_data;  in rt298_i2c_probe()
1235 		rt298->pdata.cbj_en = true;  in rt298_i2c_probe()
1236 		rt298->pdata.gpio2_en = false;  in rt298_i2c_probe()
1240 	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);  in rt298_i2c_probe()
1241 	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);  in rt298_i2c_probe()
1243 	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);  in rt298_i2c_probe()
1245 	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);  in rt298_i2c_probe()
1248 		regmap_write(rt298->regmap,  in rt298_i2c_probe()
1252 	if (!rt298->pdata.cbj_en) {  in rt298_i2c_probe()
1253 		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);  in rt298_i2c_probe()
1254 		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);  in rt298_i2c_probe()
1255 		regmap_update_bits(rt298->regmap,  in rt298_i2c_probe()
1258 		regmap_update_bits(rt298->regmap,  in rt298_i2c_probe()
1264 	if (!rt298->pdata.gpio2_en)  in rt298_i2c_probe()
1265 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);  in rt298_i2c_probe()
1267 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);  in rt298_i2c_probe()
1271 	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);  in rt298_i2c_probe()
1272 	regmap_update_bits(rt298->regmap,  in rt298_i2c_probe()
1275 	regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);  in rt298_i2c_probe()
1276 	regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);  in rt298_i2c_probe()
1277 	regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);  in rt298_i2c_probe()
1278 	regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);  in rt298_i2c_probe()
1280 	rt298->is_hp_in = -1;  in rt298_i2c_probe()
1282 	if (rt298->i2c->irq) {  in rt298_i2c_probe()
1283 		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,  in rt298_i2c_probe()
1286 			dev_err(&i2c->dev,  in rt298_i2c_probe()
1292 	ret = devm_snd_soc_register_component(&i2c->dev,  in rt298_i2c_probe()
1303 	if (i2c->irq)  in rt298_i2c_remove()
1304 		free_irq(i2c->irq, rt298);  in rt298_i2c_remove()