1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm8350.c -- WM8350 ALSA SoC audio driver
5  * Copyright (C) 2007-12 Wolfson Microelectronics PLC.
48 	u16 ramp;  member
73  * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
77 	struct wm8350_output *out1 = &wm8350_data->out1;  in wm8350_out1_ramp_step()
78 	struct wm8350 *wm8350 = wm8350_data->wm8350;  in wm8350_out1_ramp_step()
86 	if (out1->ramp == WM8350_RAMP_UP) {  in wm8350_out1_ramp_step()
87 		/* ramp step up */  in wm8350_out1_ramp_step()
88 		if (val < out1->left_vol) {  in wm8350_out1_ramp_step()
95 	} else if (out1->ramp == WM8350_RAMP_DOWN) {  in wm8350_out1_ramp_step()
96 		/* ramp step down */  in wm8350_out1_ramp_step()
98 			val--;  in wm8350_out1_ramp_step()
110 	if (out1->ramp == WM8350_RAMP_UP) {  in wm8350_out1_ramp_step()
111 		/* ramp step up */  in wm8350_out1_ramp_step()
112 		if (val < out1->right_vol) {  in wm8350_out1_ramp_step()
119 	} else if (out1->ramp == WM8350_RAMP_DOWN) {  in wm8350_out1_ramp_step()
120 		/* ramp step down */  in wm8350_out1_ramp_step()
122 			val--;  in wm8350_out1_ramp_step()
138  * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
142 	struct wm8350_output *out2 = &wm8350_data->out2;  in wm8350_out2_ramp_step()
143 	struct wm8350 *wm8350 = wm8350_data->wm8350;  in wm8350_out2_ramp_step()
150 	if (out2->ramp == WM8350_RAMP_UP) {  in wm8350_out2_ramp_step()
151 		/* ramp step up */  in wm8350_out2_ramp_step()
152 		if (val < out2->left_vol) {  in wm8350_out2_ramp_step()
159 	} else if (out2->ramp == WM8350_RAMP_DOWN) {  in wm8350_out2_ramp_step()
160 		/* ramp step down */  in wm8350_out2_ramp_step()
162 			val--;  in wm8350_out2_ramp_step()
174 	if (out2->ramp == WM8350_RAMP_UP) {  in wm8350_out2_ramp_step()
175 		/* ramp step up */  in wm8350_out2_ramp_step()
176 		if (val < out2->right_vol) {  in wm8350_out2_ramp_step()
183 	} else if (out2->ramp == WM8350_RAMP_DOWN) {  in wm8350_out2_ramp_step()
184 		/* ramp step down */  in wm8350_out2_ramp_step()
186 			val--;  in wm8350_out2_ramp_step()
211 	struct wm8350_output *out1 = &wm8350_data->out1,  in wm8350_pga_work()
212 	    *out2 = &wm8350_data->out2;  in wm8350_pga_work()
215 	/* do we need to ramp at all ? */  in wm8350_pga_work()
216 	if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)  in wm8350_pga_work()
219 	/* PGA volumes have 6 bits of resolution to ramp */  in wm8350_pga_work()
223 		if (out1->ramp != WM8350_RAMP_NONE)  in wm8350_pga_work()
225 		if (out2->ramp != WM8350_RAMP_NONE)  in wm8350_pga_work()
228 		/* ramp finished ? */  in wm8350_pga_work()
232 		/* we need to delay longer on the up ramp */  in wm8350_pga_work()
233 		if (out1->ramp == WM8350_RAMP_UP ||  in wm8350_pga_work()
234 		    out2->ramp == WM8350_RAMP_UP) {  in wm8350_pga_work()
246 	out1->ramp = WM8350_RAMP_NONE;  in wm8350_pga_work()
247 	out2->ramp = WM8350_RAMP_NONE;  in wm8350_pga_work()
257 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in pga_event()
261 	switch (w->shift) {  in pga_event()
264 		out = &wm8350_data->out1;  in pga_event()
268 		out = &wm8350_data->out2;  in pga_event()
272 		WARN(1, "Invalid shift %d\n", w->shift);  in pga_event()
273 		return -1;  in pga_event()
278 		out->ramp = WM8350_RAMP_UP;  in pga_event()
279 		out->active = 1;  in pga_event()
281 		schedule_delayed_work(&wm8350_data->pga_work,  in pga_event()
286 		out->ramp = WM8350_RAMP_DOWN;  in pga_event()
287 		out->active = 0;  in pga_event()
289 		schedule_delayed_work(&wm8350_data->pga_work,  in pga_event()
304 		(struct soc_mixer_control *)kcontrol->private_value;  in wm8350_put_volsw_2r_vu()
306 	unsigned int reg = mc->reg;  in wm8350_put_volsw_2r_vu()
314 		out = &wm8350_priv->out1;  in wm8350_put_volsw_2r_vu()
317 		out = &wm8350_priv->out2;  in wm8350_put_volsw_2r_vu()
324 		out->left_vol = ucontrol->value.integer.value[0];  in wm8350_put_volsw_2r_vu()
325 		out->right_vol = ucontrol->value.integer.value[1];  in wm8350_put_volsw_2r_vu()
326 		if (!out->active)  in wm8350_put_volsw_2r_vu()
345 	struct wm8350_output *out1 = &wm8350_priv->out1;  in wm8350_get_volsw_2r()
346 	struct wm8350_output *out2 = &wm8350_priv->out2;  in wm8350_get_volsw_2r()
348 		(struct soc_mixer_control *)kcontrol->private_value;  in wm8350_get_volsw_2r()
349 	unsigned int reg = mc->reg;  in wm8350_get_volsw_2r()
354 		ucontrol->value.integer.value[0] = out1->left_vol;  in wm8350_get_volsw_2r()
355 		ucontrol->value.integer.value[1] = out1->right_vol;  in wm8350_get_volsw_2r()
359 		ucontrol->value.integer.value[0] = out2->left_vol;  in wm8350_get_volsw_2r()
360 		ucontrol->value.integer.value[1] = out2->right_vol;  in wm8350_get_volsw_2r()
389 static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
390 static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
391 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
392 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
393 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
396 	0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
754 	struct snd_soc_component *component = codec_dai->component;  in wm8350_set_dai_sysclk()
756 	struct wm8350 *wm8350 = wm8350_data->wm8350;  in wm8350_set_dai_sysclk()
789 	struct snd_soc_component *component = codec_dai->component;  in wm8350_set_clkdiv()
829 		return -EINVAL;  in wm8350_set_clkdiv()
837 	struct snd_soc_component *component = codec_dai->component;  in wm8350_set_dai_fmt()
857 		return -EINVAL;  in wm8350_set_dai_fmt()
877 		return -EINVAL;  in wm8350_set_dai_fmt()
894 		return -EINVAL;  in wm8350_set_dai_fmt()
908 	struct snd_soc_component *component = codec_dai->component;  in wm8350_pcm_hw_params()
910 	struct wm8350 *wm8350 = wm8350_data->wm8350;  in wm8350_pcm_hw_params()
934 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in wm8350_pcm_hw_params()
948 	struct snd_soc_component *component = dai->component;  in wm8350_mute()
980 		fll_div->div = 0x4;  in fll_factors()
982 		fll_div->div = 0x3;  in fll_factors()
984 		fll_div->div = 0x2;  in fll_factors()
986 		fll_div->div = 0x1;  in fll_factors()
989 		return -EINVAL;  in fll_factors()
993 		fll_div->ratio = 1;  in fll_factors()
995 		fll_div->ratio = 8;  in fll_factors()
997 	t1 = output * (1 << (fll_div->div + 1));  in fll_factors()
998 	t2 = input * fll_div->ratio;  in fll_factors()
1000 	fll_div->n = t1 / t2;  in fll_factors()
1012 		/* Move down to proper range now rounding is done */  in fll_factors()
1014 		fll_div->k = K;  in fll_factors()
1016 		fll_div->k = 0;  in fll_factors()
1025 	struct snd_soc_component *component = codec_dai->component;  in wm8350_set_fll()
1027 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_set_fll()
1032 	if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)  in wm8350_set_fll()
1035 	/* power down FLL - we need to do this for reconfiguration */  in wm8350_set_fll()
1045 	dev_dbg(wm8350->dev,  in wm8350_set_fll()
1069 	priv->fll_freq_out = freq_out;  in wm8350_set_fll()
1070 	priv->fll_freq_in = freq_in;  in wm8350_set_fll()
1079 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_set_bias_level()
1081 		wm8350->codec.platform_data;  in wm8350_set_bias_level()
1091 				 platform->codec_current_on << 14);  in wm8350_set_bias_level()
1103 			ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),  in wm8350_set_bias_level()
1104 						    priv->supplies);  in wm8350_set_bias_level()
1118 					 platform->dis_out1 |  in wm8350_set_bias_level()
1119 					 (platform->dis_out2 << 2) |  in wm8350_set_bias_level()
1120 					 (platform->dis_out3 << 4) |  in wm8350_set_bias_level()
1121 					 (platform->dis_out4 << 6));  in wm8350_set_bias_level()
1125 						       (platform->  in wm8350_set_bias_level()
1130 					 (platform->vmid_s_curve << 8));  in wm8350_set_bias_level()
1132 			/* ramp up vmid */  in wm8350_set_bias_level()
1134 					 (platform->  in wm8350_set_bias_level()
1141 						       (platform->  in wm8350_set_bias_level()
1148 				(platform->codec_current_standby << 14);  in wm8350_set_bias_level()
1166 					 (platform->  in wm8350_set_bias_level()
1183 				 (platform->vmid_s_curve << 8));  in wm8350_set_bias_level()
1192 					       (platform->  in wm8350_set_bias_level()
1196 				 (platform->vmid_s_curve << 8) |  in wm8350_set_bias_level()
1197 				 platform->dis_out1 |  in wm8350_set_bias_level()
1198 				 (platform->dis_out2 << 2) |  in wm8350_set_bias_level()
1199 				 (platform->dis_out3 << 4) |  in wm8350_set_bias_level()
1200 				 (platform->dis_out4 << 6));  in wm8350_set_bias_level()
1210 					       (platform->drain_msecs));  in wm8350_set_bias_level()
1215 		/* disable anti-pop */  in wm8350_set_bias_level()
1231 		regulator_bulk_disable(ARRAY_SIZE(priv->supplies),  in wm8350_set_bias_level()
1232 				       priv->supplies);  in wm8350_set_bias_level()
1242 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_hp_work()
1248 		report = jack->report;  in wm8350_hp_work()
1252 	snd_soc_jack_report(jack->jack, report, jack->report);  in wm8350_hp_work()
1261 	wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL);  in wm8350_hpl_work()
1269 	wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL);  in wm8350_hpr_work()
1275 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_hpl_jack_handler()
1281 	if (device_may_wakeup(wm8350->dev))  in wm8350_hpl_jack_handler()
1282 		pm_wakeup_event(wm8350->dev, 250);  in wm8350_hpl_jack_handler()
1285 			   &priv->hpl.work, msecs_to_jiffies(200));  in wm8350_hpl_jack_handler()
1293 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_hpr_jack_handler()
1299 	if (device_may_wakeup(wm8350->dev))  in wm8350_hpr_jack_handler()
1300 		pm_wakeup_event(wm8350->dev, 250);  in wm8350_hpr_jack_handler()
1303 			   &priv->hpr.work, msecs_to_jiffies(200));  in wm8350_hpr_jack_handler()
1309  * wm8350_hp_jack_detect - Enable headphone jack detection.
1323 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_hp_jack_detect()
1328 		priv->hpl.jack = jack;  in wm8350_hp_jack_detect()
1329 		priv->hpl.report = report;  in wm8350_hp_jack_detect()
1334 		priv->hpr.jack = jack;  in wm8350_hp_jack_detect()
1335 		priv->hpr.report = report;  in wm8350_hp_jack_detect()
1340 		return -EINVAL;  in wm8350_hp_jack_detect()
1367 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_mic_handler()
1377 		report |= priv->mic.short_report;  in wm8350_mic_handler()
1379 		report |= priv->mic.report;  in wm8350_mic_handler()
1381 	snd_soc_jack_report(priv->mic.jack, report,  in wm8350_mic_handler()
1382 			    priv->mic.report | priv->mic.short_report);  in wm8350_mic_handler()
1388  * wm8350_mic_jack_detect - Enable microphone jack detection.
1403 	struct wm8350 *wm8350 = priv->wm8350;  in wm8350_mic_jack_detect()
1405 	priv->mic.jack = jack;  in wm8350_mic_jack_detect()
1406 	priv->mic.report = detect_report;  in wm8350_mic_jack_detect()
1407 	priv->mic.short_report = short_report;  in wm8350_mic_jack_detect()
1439 	.name = "wm8350-hifi",
1459 	struct wm8350 *wm8350 = dev_get_platdata(component->dev);  in wm8350_component_probe()
1465 	if (wm8350->codec.platform_data == NULL) {  in wm8350_component_probe()
1466 		dev_err(component->dev, "No audio platform data supplied\n");  in wm8350_component_probe()
1467 		return -EINVAL;  in wm8350_component_probe()
1470 	priv = devm_kzalloc(component->dev, sizeof(struct wm8350_data),  in wm8350_component_probe()
1473 		return -ENOMEM;  in wm8350_component_probe()
1475 	snd_soc_component_init_regmap(component, wm8350->regmap);  in wm8350_component_probe()
1478 	priv->wm8350 = wm8350;  in wm8350_component_probe()
1481 		priv->supplies[i].supply = supply_names[i];  in wm8350_component_probe()
1483 	ret = devm_regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),  in wm8350_component_probe()
1484 				 priv->supplies);  in wm8350_component_probe()
1491 	INIT_DELAYED_WORK(&priv->pga_work, wm8350_pga_work);  in wm8350_component_probe()
1492 	INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work);  in wm8350_component_probe()
1493 	INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work);  in wm8350_component_probe()
1504 	out1 = &priv->out1;  in wm8350_component_probe()
1505 	out2 = &priv->out2;  in wm8350_component_probe()
1506 	out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &  in wm8350_component_probe()
1508 	out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &  in wm8350_component_probe()
1510 	out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &  in wm8350_component_probe()
1512 	out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &  in wm8350_component_probe()
1577 	struct wm8350 *wm8350 = dev_get_platdata(component->dev);  in wm8350_component_remove()
1588 	priv->hpl.jack = NULL;  in wm8350_component_remove()
1589 	priv->hpr.jack = NULL;  in wm8350_component_remove()
1590 	priv->mic.jack = NULL;  in wm8350_component_remove()
1592 	cancel_delayed_work_sync(&priv->hpl.work);  in wm8350_component_remove()
1593 	cancel_delayed_work_sync(&priv->hpr.work);  in wm8350_component_remove()
1597 	flush_delayed_work(&priv->pga_work);  in wm8350_component_remove()
1620 	return devm_snd_soc_register_component(&pdev->dev,  in wm8350_probe()
1627 		   .name = "wm8350-codec",
1637 MODULE_ALIAS("platform:wm8350-codec");