1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * spitz.c  --  SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
22 #include <asm/mach-types.h>
25 #include "pxa2xx-i2s.h"
35  /* audio clock in Hz - rounded from 12.235MHz */
38 static int spitz_jack_func;
39 static int spitz_spk_func;
40 static int spitz_mic_gpio;
54 		/* enable and unmute hp jack, disable mic bias */  in spitz_ext_control()
56 		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");  in spitz_ext_control()
63 		/* enable mic jack and bias, mute hp */  in spitz_ext_control()
67 		snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");  in spitz_ext_control()
72 		/* enable line jack, disable mic bias and mute hp */  in spitz_ext_control()
75 		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");  in spitz_ext_control()
81 		/* enable and unmute headset jack enable mic bias, mute L hp */  in spitz_ext_control()
83 		snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");  in spitz_ext_control()
94 		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");  in spitz_ext_control()
106 static int spitz_startup(struct snd_pcm_substream *substream)  in spitz_startup()
111 	spitz_ext_control(&rtd->card->dapm);  in spitz_startup()
116 static int spitz_hw_params(struct snd_pcm_substream *substream,  in spitz_hw_params()
122 	unsigned int clk = 0;  in spitz_hw_params()
123 	int ret = 0;  in spitz_hw_params()
159 static int spitz_get_jack(struct snd_kcontrol *kcontrol,  in spitz_get_jack()
162 	ucontrol->value.enumerated.item[0] = spitz_jack_func;  in spitz_get_jack()
166 static int spitz_set_jack(struct snd_kcontrol *kcontrol,  in spitz_set_jack()
171 	if (spitz_jack_func == ucontrol->value.enumerated.item[0])  in spitz_set_jack()
174 	spitz_jack_func = ucontrol->value.enumerated.item[0];  in spitz_set_jack()
175 	spitz_ext_control(&card->dapm);  in spitz_set_jack()
179 static int spitz_get_spk(struct snd_kcontrol *kcontrol,  in spitz_get_spk()
182 	ucontrol->value.enumerated.item[0] = spitz_spk_func;  in spitz_get_spk()
186 static int spitz_set_spk(struct snd_kcontrol *kcontrol,  in spitz_set_spk()
191 	if (spitz_spk_func == ucontrol->value.enumerated.item[0])  in spitz_set_spk()
194 	spitz_spk_func = ucontrol->value.enumerated.item[0];  in spitz_set_spk()
195 	spitz_ext_control(&card->dapm);  in spitz_set_spk()
199 static int spitz_mic_bias(struct snd_soc_dapm_widget *w,  in spitz_mic_bias()
200 	struct snd_kcontrol *k, int event)  in spitz_mic_bias()
209 	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
213 	/* headset is a mic and mono headphone */
231 	/* mic is connected to input 1 - with bias */
232 	{"LINPUT1", NULL, "Mic Bias"},
233 	{"Mic Bias", NULL, "Mic Jack"},
235 	/* line is connected to input 1 - no bias */
239 static const char * const jack_function[] = {"Headphone", "Mic", "Line",
254 /* spitz digital audio interface glue - connects codec <--> CPU */
256 	DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-i2s")),
257 	DAILINK_COMP_ARRAY(COMP_CODEC("wm8750.0-001b", "wm8750-hifi")),
258 	DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
285 static int spitz_probe(struct platform_device *pdev)  in spitz_probe()
288 	int ret;  in spitz_probe()
295 	ret = gpio_request(spitz_mic_gpio, "MIC GPIO");  in spitz_probe()
303 	card->dev = &pdev->dev;  in spitz_probe()
305 	ret = devm_snd_soc_register_card(&pdev->dev, card);  in spitz_probe()
307 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",  in spitz_probe()
320 static int spitz_remove(struct platform_device *pdev)  in spitz_remove()
328 		.name	= "spitz-audio",
340 MODULE_ALIAS("platform:spitz-audio");