Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * tegra_wm8903.c - Tegra machine ASoC driver for boards using WM8903 codec.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Author: Stephen Warren <swarren@nvidia.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 2010-2012 - NVIDIA, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Based on code copyright/by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Copyright 2007 Wolfson Microelectronics PLC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * Author: Graeme Gregory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/of_gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <sound/pcm_params.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include "../codecs/wm8903.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include "tegra_asoc_utils.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define DRV_NAME "tegra-snd-wm8903"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) struct tegra_wm8903 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	int gpio_spkr_en;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	int gpio_hp_det;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	int gpio_hp_mute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	int gpio_int_mic_en;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	int gpio_ext_mic_en;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	struct tegra_asoc_utils_data util_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 					struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	struct snd_soc_card *card = rtd->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	int srate, mclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	srate = params_rate(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	switch (srate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	case 64000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	case 88200:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	case 96000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		mclk = 128 * srate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		mclk = 256 * srate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	/* FIXME: Codec only requires >= 3MHz if OSR==0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	while (mclk < 6000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		mclk *= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		dev_err(card->dev, "Can't configure clocks\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 					SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		dev_err(card->dev, "codec_dai clock not set\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) static const struct snd_soc_ops tegra_wm8903_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	.hw_params = tegra_wm8903_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) static struct snd_soc_jack tegra_wm8903_hp_jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		.pin = "Headphone Jack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		.mask = SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	.name = "headphone detect",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	.report = SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	.debounce_time = 150,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	.invert = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static struct snd_soc_jack tegra_wm8903_mic_jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		.pin = "Mic Jack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		.mask = SND_JACK_MICROPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 					struct snd_kcontrol *k, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	struct snd_soc_dapm_context *dapm = w->dapm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	struct snd_soc_card *card = dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	if (!gpio_is_valid(machine->gpio_spkr_en))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	gpio_set_value_cansleep(machine->gpio_spkr_en,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 				SND_SOC_DAPM_EVENT_ON(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 					struct snd_kcontrol *k, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	struct snd_soc_dapm_context *dapm = w->dapm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	struct snd_soc_card *card = dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	if (!gpio_is_valid(machine->gpio_hp_mute))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	gpio_set_value_cansleep(machine->gpio_hp_mute,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 				!SND_SOC_DAPM_EVENT_ON(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static int tegra_wm8903_event_int_mic(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 				      struct snd_kcontrol *k, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	struct snd_soc_dapm_context *dapm = w->dapm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	struct snd_soc_card *card = dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	if (!gpio_is_valid(machine->gpio_int_mic_en))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	gpio_set_value_cansleep(machine->gpio_int_mic_en,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 				SND_SOC_DAPM_EVENT_ON(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	SND_SOC_DAPM_MIC("Int Mic", tegra_wm8903_event_int_mic),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	SOC_DAPM_PIN_SWITCH("Int Spk"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	SOC_DAPM_PIN_SWITCH("Int Mic"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	struct snd_soc_component *component = codec_dai->component;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	struct snd_soc_card *card = rtd->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	int shrt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	if (gpio_is_valid(machine->gpio_hp_det)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		tegra_wm8903_hp_jack_gpio.gpio = machine->gpio_hp_det;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		snd_soc_card_jack_new(rtd->card, "Headphone Jack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 				      SND_JACK_HEADPHONE, &tegra_wm8903_hp_jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 				      tegra_wm8903_hp_jack_pins,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 				      ARRAY_SIZE(tegra_wm8903_hp_jack_pins));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 					1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 					&tegra_wm8903_hp_jack_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	if (of_property_read_bool(card->dev->of_node, "nvidia,headset"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		shrt = SND_JACK_MICROPHONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	snd_soc_card_jack_new(rtd->card, "Mic Jack", SND_JACK_MICROPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 			      &tegra_wm8903_mic_jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 			      tegra_wm8903_mic_jack_pins,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 			      ARRAY_SIZE(tegra_wm8903_mic_jack_pins));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	wm8903_mic_detect(component, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 				shrt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	snd_soc_dapm_force_enable_pin(&card->dapm, "MICBIAS");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static int tegra_wm8903_remove(struct snd_soc_card *card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	struct snd_soc_pcm_runtime *rtd =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	struct snd_soc_component *component = codec_dai->component;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	wm8903_mic_detect(component, NULL, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) SND_SOC_DAILINK_DEFS(hifi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8903-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static struct snd_soc_dai_link tegra_wm8903_dai = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	.name = "WM8903",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	.stream_name = "WM8903 PCM",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	.init = tegra_wm8903_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	.ops = &tegra_wm8903_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	.dai_fmt = SND_SOC_DAIFMT_I2S |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		   SND_SOC_DAIFMT_NB_NF |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		   SND_SOC_DAIFMT_CBS_CFS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	SND_SOC_DAILINK_REG(hifi),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static struct snd_soc_card snd_soc_tegra_wm8903 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	.name = "tegra-wm8903",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	.driver_name = "tegra",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	.dai_link = &tegra_wm8903_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	.num_links = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	.remove = tegra_wm8903_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	.controls = tegra_wm8903_controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	.num_controls = ARRAY_SIZE(tegra_wm8903_controls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	.dapm_widgets = tegra_wm8903_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	.num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	.fully_routed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static int tegra_wm8903_driver_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	struct snd_soc_card *card = &snd_soc_tegra_wm8903;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	struct tegra_wm8903 *machine;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 			       GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	if (!machine)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	card->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	snd_soc_card_set_drvdata(card, machine);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	machine->gpio_spkr_en = of_get_named_gpio(np, "nvidia,spkr-en-gpios",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 						  0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	if (machine->gpio_spkr_en == -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 		return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	if (gpio_is_valid(machine->gpio_spkr_en)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		ret = devm_gpio_request_one(&pdev->dev, machine->gpio_spkr_en,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 					    GPIOF_OUT_INIT_LOW, "spkr_en");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 			dev_err(card->dev, "cannot get spkr_en gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	machine->gpio_hp_mute = of_get_named_gpio(np, "nvidia,hp-mute-gpios",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 						  0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	if (machine->gpio_hp_mute == -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 		return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	if (gpio_is_valid(machine->gpio_hp_mute)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		ret = devm_gpio_request_one(&pdev->dev, machine->gpio_hp_mute,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 					    GPIOF_OUT_INIT_HIGH, "hp_mute");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 			dev_err(card->dev, "cannot get hp_mute gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	if (machine->gpio_hp_det == -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	machine->gpio_int_mic_en = of_get_named_gpio(np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 						"nvidia,int-mic-en-gpios", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	if (machine->gpio_int_mic_en == -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 		return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	if (gpio_is_valid(machine->gpio_int_mic_en)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		/* Disable int mic; enable signal is active-high */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		ret = devm_gpio_request_one(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 					    machine->gpio_int_mic_en,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 					    GPIOF_OUT_INIT_LOW, "int_mic_en");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 			dev_err(card->dev, "cannot get int_mic_en gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	machine->gpio_ext_mic_en = of_get_named_gpio(np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 						"nvidia,ext-mic-en-gpios", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	if (machine->gpio_ext_mic_en == -EPROBE_DEFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	if (gpio_is_valid(machine->gpio_ext_mic_en)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		/* Enable ext mic; enable signal is active-low */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		ret = devm_gpio_request_one(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 					    machine->gpio_ext_mic_en,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 					    GPIOF_OUT_INIT_LOW, "ext_mic_en");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 			dev_err(card->dev, "cannot get ext_mic_en gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	tegra_wm8903_dai.codecs->of_node = of_parse_phandle(np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 						"nvidia,audio-codec", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	if (!tegra_wm8903_dai.codecs->of_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 		dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 			"Property 'nvidia,audio-codec' missing or invalid\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	tegra_wm8903_dai.cpus->of_node = of_parse_phandle(np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 			"nvidia,i2s-controller", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	if (!tegra_wm8903_dai.cpus->of_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 		dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 			"Property 'nvidia,i2s-controller' missing or invalid\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	tegra_wm8903_dai.platforms->of_node = tegra_wm8903_dai.cpus->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 		dev_err(&pdev->dev, "devm_snd_soc_register_card failed (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 			ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) static const struct of_device_id tegra_wm8903_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	{ .compatible = "nvidia,tegra-audio-wm8903", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) static struct platform_driver tegra_wm8903_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 		.name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 		.pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 		.of_match_table = tegra_wm8903_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	.probe = tegra_wm8903_driver_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) module_platform_driver(tegra_wm8903_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) MODULE_ALIAS("platform:" DRV_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) MODULE_DEVICE_TABLE(of, tegra_wm8903_of_match);