1 // SPDX-License-Identifier: GPL-2.0+
3 // neo1973_wm8753.c - SoC audio for Openmoko Neo1973 and Freerunner devices
18 #include "regs-iis.h"
20 #include "s3c24xx-i2s.h"
22 static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,  in neo1973_hifi_hw_params()
28 	unsigned int pll_out = 0, bclk = 0;  in neo1973_hifi_hw_params()
29 	int ret = 0;  in neo1973_hifi_hw_params()
97 static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream)  in neo1973_hifi_hw_free()
114 static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,  in neo1973_voice_hw_params()
119 	unsigned int pcmdiv = 0;  in neo1973_voice_hw_params()
120 	int ret = 0;  in neo1973_voice_hw_params()
126 		return -EINVAL;  in neo1973_voice_hw_params()
128 		return -EINVAL;  in neo1973_voice_hw_params()
152 static int neo1973_voice_hw_free(struct snd_pcm_substream *substream)  in neo1973_voice_hw_free()
167 static int gta02_speaker_enabled;
169 static int lm4853_set_spk(struct snd_kcontrol *kcontrol,  in lm4853_set_spk()
172 	gta02_speaker_enabled = ucontrol->value.integer.value[0];  in lm4853_set_spk()
179 static int lm4853_get_spk(struct snd_kcontrol *kcontrol,  in lm4853_get_spk()
182 	ucontrol->value.integer.value[0] = gta02_speaker_enabled;  in lm4853_get_spk()
186 static int lm4853_event(struct snd_soc_dapm_widget *w,  in lm4853_event()
187 			struct snd_kcontrol *k, int event)  in lm4853_event()
197 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
198 	SND_SOC_DAPM_MIC("Handset Mic", NULL),
211 	{"MIC1", NULL, "Mic Bias"},
212 	{"Mic Bias", NULL, "Headset Mic"},
214 	/* Call Mic */
215 	{"MIC2", NULL, "Mic Bias"},
216 	{"MIC2N", NULL, "Mic Bias"},
217 	{"Mic Bias", NULL, "Handset Mic"},
234 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
235 	SOC_DAPM_PIN_SWITCH("Handset Mic"),
244 static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd)  in neo1973_wm8753_init()
246 	struct snd_soc_card *card = rtd->card;  in neo1973_wm8753_init()
249 	snd_soc_dapm_disable_pin(&card->dapm, "GSM Line Out");  in neo1973_wm8753_init()
250 	snd_soc_dapm_disable_pin(&card->dapm, "GSM Line In");  in neo1973_wm8753_init()
251 	snd_soc_dapm_disable_pin(&card->dapm, "Headset Mic");  in neo1973_wm8753_init()
252 	snd_soc_dapm_disable_pin(&card->dapm, "Handset Mic");  in neo1973_wm8753_init()
253 	snd_soc_dapm_disable_pin(&card->dapm, "Stereo Out");  in neo1973_wm8753_init()
254 	snd_soc_dapm_disable_pin(&card->dapm, "Handset Spk");  in neo1973_wm8753_init()
257 	snd_soc_dapm_ignore_suspend(&card->dapm, "GSM Line Out");  in neo1973_wm8753_init()
258 	snd_soc_dapm_ignore_suspend(&card->dapm, "GSM Line In");  in neo1973_wm8753_init()
259 	snd_soc_dapm_ignore_suspend(&card->dapm, "Headset Mic");  in neo1973_wm8753_init()
260 	snd_soc_dapm_ignore_suspend(&card->dapm, "Handset Mic");  in neo1973_wm8753_init()
261 	snd_soc_dapm_ignore_suspend(&card->dapm, "Stereo Out");  in neo1973_wm8753_init()
262 	snd_soc_dapm_ignore_suspend(&card->dapm, "Handset Spk");  in neo1973_wm8753_init()
268 	DAILINK_COMP_ARRAY(COMP_CPU("s3c24xx-iis")),
269 	DAILINK_COMP_ARRAY(COMP_CODEC("wm8753.0-001a", "wm8753-hifi")),
270 	DAILINK_COMP_ARRAY(COMP_PLATFORM("s3c24xx-iis")));
273 	DAILINK_COMP_ARRAY(COMP_CPU("bt-sco-pcm")),
274 	DAILINK_COMP_ARRAY(COMP_CODEC("wm8753.0-001a", "wm8753-voice")));
277 { /* Hifi Playback - for similatious use with voice below */
304 		.dlc = COMP_CODEC_CONF("lm4857.0-007c"),
328 static int neo1973_probe(struct platform_device *pdev)  in neo1973_probe()
330 	struct device *dev = &pdev->dev;  in neo1973_probe()
337 	gpiod_amp_shut = devm_gpiod_get(dev, "amp-shut", GPIOD_OUT_HIGH);  in neo1973_probe()
339 		dev_err(dev, "missing gpio %s\n", "amp-shut");  in neo1973_probe()
349 		.name = "neo1973-audio",
360 MODULE_ALIAS("platform:neo1973-audio");