1 // SPDX-License-Identifier: GPL-2.0-only
3  * tegra_wm8903.c - Tegra machine ASoC driver for boards using WM8903 codec.
6  * Copyright (C) 2010-2012 - NVIDIA, Inc.
33 #define DRV_NAME "tegra-snd-wm8903"
49 	struct snd_soc_card *card = rtd->card;  in tegra_wm8903_hw_params()
69 	err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);  in tegra_wm8903_hw_params()
71 		dev_err(card->dev, "Can't configure clocks\n");  in tegra_wm8903_hw_params()
78 		dev_err(card->dev, "codec_dai clock not set\n");  in tegra_wm8903_hw_params()
99 	.name = "headphone detect",
117 	struct snd_soc_dapm_context *dapm = w->dapm;  in tegra_wm8903_event_int_spk()
118 	struct snd_soc_card *card = dapm->card;  in tegra_wm8903_event_int_spk()
121 	if (!gpio_is_valid(machine->gpio_spkr_en))  in tegra_wm8903_event_int_spk()
124 	gpio_set_value_cansleep(machine->gpio_spkr_en,  in tegra_wm8903_event_int_spk()
133 	struct snd_soc_dapm_context *dapm = w->dapm;  in tegra_wm8903_event_hp()
134 	struct snd_soc_card *card = dapm->card;  in tegra_wm8903_event_hp()
137 	if (!gpio_is_valid(machine->gpio_hp_mute))  in tegra_wm8903_event_hp()
140 	gpio_set_value_cansleep(machine->gpio_hp_mute,  in tegra_wm8903_event_hp()
149 	struct snd_soc_dapm_context *dapm = w->dapm;  in tegra_wm8903_event_int_mic()
150 	struct snd_soc_card *card = dapm->card;  in tegra_wm8903_event_int_mic()
153 	if (!gpio_is_valid(machine->gpio_int_mic_en))  in tegra_wm8903_event_int_mic()
156 	gpio_set_value_cansleep(machine->gpio_int_mic_en,  in tegra_wm8903_event_int_mic()
177 	struct snd_soc_component *component = codec_dai->component;  in tegra_wm8903_init()
178 	struct snd_soc_card *card = rtd->card;  in tegra_wm8903_init()
182 	if (gpio_is_valid(machine->gpio_hp_det)) {  in tegra_wm8903_init()
183 		tegra_wm8903_hp_jack_gpio.gpio = machine->gpio_hp_det;  in tegra_wm8903_init()
184 		snd_soc_card_jack_new(rtd->card, "Headphone Jack",  in tegra_wm8903_init()
193 	if (of_property_read_bool(card->dev->of_node, "nvidia,headset"))  in tegra_wm8903_init()
196 	snd_soc_card_jack_new(rtd->card, "Mic Jack", SND_JACK_MICROPHONE,  in tegra_wm8903_init()
203 	snd_soc_dapm_force_enable_pin(&card->dapm, "MICBIAS");  in tegra_wm8903_init()
211 		snd_soc_get_pcm_runtime(card, &card->dai_link[0]);  in tegra_wm8903_remove()
213 	struct snd_soc_component *component = codec_dai->component;  in tegra_wm8903_remove()
222 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8903-hifi")),
237 	.name = "tegra-wm8903",
251 	struct device_node *np = pdev->dev.of_node;  in tegra_wm8903_driver_probe()
256 	machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903),  in tegra_wm8903_driver_probe()
259 		return -ENOMEM;  in tegra_wm8903_driver_probe()
261 	card->dev = &pdev->dev;  in tegra_wm8903_driver_probe()
264 	machine->gpio_spkr_en = of_get_named_gpio(np, "nvidia,spkr-en-gpios",  in tegra_wm8903_driver_probe()
266 	if (machine->gpio_spkr_en == -EPROBE_DEFER)  in tegra_wm8903_driver_probe()
267 		return -EPROBE_DEFER;  in tegra_wm8903_driver_probe()
268 	if (gpio_is_valid(machine->gpio_spkr_en)) {  in tegra_wm8903_driver_probe()
269 		ret = devm_gpio_request_one(&pdev->dev, machine->gpio_spkr_en,  in tegra_wm8903_driver_probe()
272 			dev_err(card->dev, "cannot get spkr_en gpio\n");  in tegra_wm8903_driver_probe()
277 	machine->gpio_hp_mute = of_get_named_gpio(np, "nvidia,hp-mute-gpios",  in tegra_wm8903_driver_probe()
279 	if (machine->gpio_hp_mute == -EPROBE_DEFER)  in tegra_wm8903_driver_probe()
280 		return -EPROBE_DEFER;  in tegra_wm8903_driver_probe()
281 	if (gpio_is_valid(machine->gpio_hp_mute)) {  in tegra_wm8903_driver_probe()
282 		ret = devm_gpio_request_one(&pdev->dev, machine->gpio_hp_mute,  in tegra_wm8903_driver_probe()
285 			dev_err(card->dev, "cannot get hp_mute gpio\n");  in tegra_wm8903_driver_probe()
290 	machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);  in tegra_wm8903_driver_probe()
291 	if (machine->gpio_hp_det == -EPROBE_DEFER)  in tegra_wm8903_driver_probe()
292 		return -EPROBE_DEFER;  in tegra_wm8903_driver_probe()
294 	machine->gpio_int_mic_en = of_get_named_gpio(np,  in tegra_wm8903_driver_probe()
295 						"nvidia,int-mic-en-gpios", 0);  in tegra_wm8903_driver_probe()
296 	if (machine->gpio_int_mic_en == -EPROBE_DEFER)  in tegra_wm8903_driver_probe()
297 		return -EPROBE_DEFER;  in tegra_wm8903_driver_probe()
298 	if (gpio_is_valid(machine->gpio_int_mic_en)) {  in tegra_wm8903_driver_probe()
299 		/* Disable int mic; enable signal is active-high */  in tegra_wm8903_driver_probe()
300 		ret = devm_gpio_request_one(&pdev->dev,  in tegra_wm8903_driver_probe()
301 					    machine->gpio_int_mic_en,  in tegra_wm8903_driver_probe()
304 			dev_err(card->dev, "cannot get int_mic_en gpio\n");  in tegra_wm8903_driver_probe()
309 	machine->gpio_ext_mic_en = of_get_named_gpio(np,  in tegra_wm8903_driver_probe()
310 						"nvidia,ext-mic-en-gpios", 0);  in tegra_wm8903_driver_probe()
311 	if (machine->gpio_ext_mic_en == -EPROBE_DEFER)  in tegra_wm8903_driver_probe()
312 		return -EPROBE_DEFER;  in tegra_wm8903_driver_probe()
313 	if (gpio_is_valid(machine->gpio_ext_mic_en)) {  in tegra_wm8903_driver_probe()
314 		/* Enable ext mic; enable signal is active-low */  in tegra_wm8903_driver_probe()
315 		ret = devm_gpio_request_one(&pdev->dev,  in tegra_wm8903_driver_probe()
316 					    machine->gpio_ext_mic_en,  in tegra_wm8903_driver_probe()
319 			dev_err(card->dev, "cannot get ext_mic_en gpio\n");  in tegra_wm8903_driver_probe()
328 	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");  in tegra_wm8903_driver_probe()
332 	tegra_wm8903_dai.codecs->of_node = of_parse_phandle(np,  in tegra_wm8903_driver_probe()
333 						"nvidia,audio-codec", 0);  in tegra_wm8903_driver_probe()
334 	if (!tegra_wm8903_dai.codecs->of_node) {  in tegra_wm8903_driver_probe()
335 		dev_err(&pdev->dev,  in tegra_wm8903_driver_probe()
336 			"Property 'nvidia,audio-codec' missing or invalid\n");  in tegra_wm8903_driver_probe()
337 		return -EINVAL;  in tegra_wm8903_driver_probe()
340 	tegra_wm8903_dai.cpus->of_node = of_parse_phandle(np,  in tegra_wm8903_driver_probe()
341 			"nvidia,i2s-controller", 0);  in tegra_wm8903_driver_probe()
342 	if (!tegra_wm8903_dai.cpus->of_node) {  in tegra_wm8903_driver_probe()
343 		dev_err(&pdev->dev,  in tegra_wm8903_driver_probe()
344 			"Property 'nvidia,i2s-controller' missing or invalid\n");  in tegra_wm8903_driver_probe()
345 		return -EINVAL;  in tegra_wm8903_driver_probe()
348 	tegra_wm8903_dai.platforms->of_node = tegra_wm8903_dai.cpus->of_node;  in tegra_wm8903_driver_probe()
350 	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);  in tegra_wm8903_driver_probe()
354 	ret = devm_snd_soc_register_card(&pdev->dev, card);  in tegra_wm8903_driver_probe()
356 		dev_err(&pdev->dev, "devm_snd_soc_register_card failed (%d)\n",  in tegra_wm8903_driver_probe()
365 	{ .compatible = "nvidia,tegra-audio-wm8903", },