Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) // Midas audio support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) // Copyright (C) 2018 Simon Shields <simon@lineageos.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) // Copyright (C) 2020 Samsung Electronics Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/mfd/wm8994/registers.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/of_gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/regulator/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <sound/soc-dapm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include "i2s.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include "../codecs/wm8994.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * The MCLK1 clock source is XCLKOUT with its mux set to the external fixed rate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * oscillator (XXTI).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define MCLK1_RATE 24000000U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define MCLK2_RATE 32768U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define DEFAULT_FLL1_RATE 11289600U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) struct midas_priv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	struct regulator *reg_mic_bias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	struct regulator *reg_submic_bias;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	struct gpio_desc *gpio_fm_sel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	struct gpio_desc *gpio_lineout_sel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	unsigned int fll1_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	struct snd_soc_jack headset_jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) static int midas_start_fll1(struct snd_soc_pcm_runtime *rtd, unsigned int rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	struct snd_soc_card *card = rtd->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	struct midas_priv *priv = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	struct snd_soc_dai *aif1_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	if (!rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		rate = priv->fll1_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	 * If no new rate is requested, set FLL1 to a sane default for jack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	 * detection.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	if (!rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		rate = DEFAULT_FLL1_RATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	if (rate != priv->fll1_rate && priv->fll1_rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		/* while reconfiguring, switch to MCLK2 for SYSCLK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 					     MCLK2_RATE, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 			dev_err(card->dev, "Unable to switch to MCLK2: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1, WM8994_FLL_SRC_MCLK1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 				  MCLK1_RATE, rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		dev_err(card->dev, "Failed to set FLL1 rate: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	priv->fll1_rate = rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_FLL1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 				     priv->fll1_rate, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		dev_err(card->dev, "Failed to set SYSCLK source: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		return ret;
^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) 	ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_OPCLK, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 				     SAMSUNG_I2S_OPCLK_PCLK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		dev_err(card->dev, "Failed to set OPCLK source: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		return ret;
^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) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) static int midas_stop_fll1(struct snd_soc_pcm_runtime *rtd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	struct snd_soc_card *card = rtd->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	struct midas_priv *priv = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	struct snd_soc_dai *aif1_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 				     MCLK2_RATE, SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		dev_err(card->dev, "Unable to switch to MCLK2: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	ret = snd_soc_dai_set_pll(aif1_dai, WM8994_FLL1, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		dev_err(card->dev, "Unable to stop FLL1: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	priv->fll1_rate = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static int midas_aif1_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 				struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct snd_soc_pcm_runtime *rtd	= substream->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	unsigned int pll_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	/* AIF1CLK should be at least 3MHz for "optimal performance" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	if (params_rate(params) == 8000 || params_rate(params) == 11025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		pll_out = params_rate(params) * 512;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		pll_out = params_rate(params) * 256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	return midas_start_fll1(rtd, pll_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static struct snd_soc_ops midas_aif1_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	.hw_params = midas_aif1_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)  * We only have a single external speaker, so mix stereo data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)  * to a single mono stream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static int midas_ext_spkmode(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			     struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	case SND_SOC_DAPM_PRE_PMU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		ret = snd_soc_component_update_bits(codec, WM8994_SPKOUT_MIXERS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 				  WM8994_SPKMIXR_TO_SPKOUTL_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 				  WM8994_SPKMIXR_TO_SPKOUTL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	case SND_SOC_DAPM_POST_PMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		ret = snd_soc_component_update_bits(codec, WM8994_SPKOUT_MIXERS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 				  WM8994_SPKMIXR_TO_SPKOUTL_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 				  0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	return ret;
^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 int midas_mic_bias(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 			  struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	struct snd_soc_card *card = w->dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	struct midas_priv *priv = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	case SND_SOC_DAPM_PRE_PMU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		return regulator_enable(priv->reg_mic_bias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	case SND_SOC_DAPM_POST_PMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		return regulator_disable(priv->reg_mic_bias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static int midas_submic_bias(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			     struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	struct snd_soc_card *card = w->dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	struct midas_priv *priv = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	case SND_SOC_DAPM_PRE_PMU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		return regulator_enable(priv->reg_submic_bias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	case SND_SOC_DAPM_POST_PMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		return regulator_disable(priv->reg_submic_bias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) static int midas_fm_set(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 			struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	struct snd_soc_card *card = w->dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	struct midas_priv *priv = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	if (!priv->gpio_fm_sel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	case SND_SOC_DAPM_PRE_PMU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		gpiod_set_value_cansleep(priv->gpio_fm_sel, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	case SND_SOC_DAPM_POST_PMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		gpiod_set_value_cansleep(priv->gpio_fm_sel, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static int midas_line_set(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 			  struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	struct snd_soc_card *card = w->dapm->card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	struct midas_priv *priv = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	if (!priv->gpio_lineout_sel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	case SND_SOC_DAPM_PRE_PMU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		gpiod_set_value_cansleep(priv->gpio_lineout_sel, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	case SND_SOC_DAPM_POST_PMD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		gpiod_set_value_cansleep(priv->gpio_lineout_sel, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	return 0;
^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 const struct snd_kcontrol_new midas_controls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	SOC_DAPM_PIN_SWITCH("HP"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	SOC_DAPM_PIN_SWITCH("SPK"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	SOC_DAPM_PIN_SWITCH("RCV"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	SOC_DAPM_PIN_SWITCH("LINE"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	SOC_DAPM_PIN_SWITCH("HDMI"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	SOC_DAPM_PIN_SWITCH("Main Mic"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	SOC_DAPM_PIN_SWITCH("Sub Mic"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	SOC_DAPM_PIN_SWITCH("FM In"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static const struct snd_soc_dapm_widget midas_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	SND_SOC_DAPM_HP("HP", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	SND_SOC_DAPM_SPK("SPK", midas_ext_spkmode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	SND_SOC_DAPM_SPK("RCV", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	/* FIXME: toggle MAX77693 on i9300/i9305 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	SND_SOC_DAPM_LINE("LINE", midas_line_set),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	SND_SOC_DAPM_LINE("HDMI", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	SND_SOC_DAPM_LINE("FM In", midas_fm_set),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	SND_SOC_DAPM_MIC("Main Mic", midas_mic_bias),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	SND_SOC_DAPM_MIC("Sub Mic", midas_submic_bias),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static int midas_set_bias_level(struct snd_soc_card *card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 				struct snd_soc_dapm_context *dapm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 				enum snd_soc_bias_level level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	struct snd_soc_pcm_runtime *rtd = snd_soc_get_pcm_runtime(card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 						  &card->dai_link[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	struct snd_soc_dai *aif1_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	if (dapm->dev != aif1_dai->dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	switch (level) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	case SND_SOC_BIAS_STANDBY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 		return midas_stop_fll1(rtd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	case SND_SOC_BIAS_PREPARE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		return midas_start_fll1(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	return 0;
^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) static int midas_late_probe(struct snd_soc_card *card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	struct snd_soc_pcm_runtime *rtd = snd_soc_get_pcm_runtime(card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 							&card->dai_link[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	struct snd_soc_dai *aif1_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	struct midas_priv *priv = snd_soc_card_get_drvdata(card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	/* Use MCLK2 as SYSCLK for boot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	ret = snd_soc_dai_set_sysclk(aif1_dai, WM8994_SYSCLK_MCLK2, MCLK2_RATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 				     SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 		dev_err(aif1_dai->dev, "Failed to switch to MCLK2: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	ret = snd_soc_card_jack_new(card, "Headset",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 			SND_JACK_HEADSET | SND_JACK_MECHANICAL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 			SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 			SND_JACK_BTN_3 | SND_JACK_BTN_4 | SND_JACK_BTN_5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 			&priv->headset_jack, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	wm8958_mic_detect(aif1_dai->component, &priv->headset_jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 			  NULL, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static struct snd_soc_dai_driver midas_ext_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		.name = "Voice call",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 		.playback = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 			.channels_min = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 			.channels_max = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 			.rate_min = 8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 			.rate_max = 16000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 			.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		.capture = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 			.channels_min = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 			.channels_max = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 			.rate_min = 8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 			.rate_max = 16000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 			.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		},
^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) 		.name = "Bluetooth",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 		.playback = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 			.channels_min = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 			.channels_max = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 			.rate_min = 8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 			.rate_max = 16000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 			.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 		.capture = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 			.channels_min = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 			.channels_max = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 			.rate_min = 8000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 			.rate_max = 16000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 			.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) static const struct snd_soc_component_driver midas_component = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	.name	= "midas-audio",
^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) SND_SOC_DAILINK_DEFS(wm1811_hifi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif1")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) SND_SOC_DAILINK_DEFS(wm1811_voice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif2")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) SND_SOC_DAILINK_DEFS(wm1811_bt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif3")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) static struct snd_soc_dai_link midas_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		.name = "WM8994 AIF1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 		.stream_name = "HiFi Primary",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 		.ops = &midas_aif1_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 			SND_SOC_DAIFMT_CBM_CFM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		SND_SOC_DAILINK_REG(wm1811_hifi),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 		.name = "WM1811 Voice",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 		.stream_name = "Voice call",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		.ignore_suspend = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 		SND_SOC_DAILINK_REG(wm1811_voice),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 		.name = "WM1811 BT",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 		.stream_name = "Bluetooth",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 		.ignore_suspend = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 		SND_SOC_DAILINK_REG(wm1811_bt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) static struct snd_soc_card midas_card = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	.name = "Midas WM1811",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	.dai_link = midas_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	.num_links = ARRAY_SIZE(midas_dai),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	.controls = midas_controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	.num_controls = ARRAY_SIZE(midas_controls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	.dapm_widgets = midas_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	.num_dapm_widgets = ARRAY_SIZE(midas_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	.set_bias_level = midas_set_bias_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	.late_probe = midas_late_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) static int midas_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	struct device_node *cpu_dai_node = NULL, *codec_dai_node = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	struct device_node *cpu = NULL, *codec = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	struct snd_soc_card *card = &midas_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	static struct snd_soc_dai_link *dai_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	struct midas_priv *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	if (!priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	snd_soc_card_set_drvdata(card, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	card->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	priv->reg_mic_bias = devm_regulator_get(dev, "mic-bias");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	if (IS_ERR(priv->reg_mic_bias)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 		dev_err(dev, "Failed to get mic bias regulator\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 		return PTR_ERR(priv->reg_mic_bias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	priv->reg_submic_bias = devm_regulator_get(dev, "submic-bias");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	if (IS_ERR(priv->reg_submic_bias)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		dev_err(dev, "Failed to get submic bias regulator\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 		return PTR_ERR(priv->reg_submic_bias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	priv->gpio_fm_sel = devm_gpiod_get_optional(dev, "fm-sel", GPIOD_OUT_HIGH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 	if (IS_ERR(priv->gpio_fm_sel)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 		dev_err(dev, "Failed to get FM selection GPIO\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		return PTR_ERR(priv->gpio_fm_sel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	priv->gpio_lineout_sel = devm_gpiod_get_optional(dev, "lineout-sel",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 						    GPIOD_OUT_HIGH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 	if (IS_ERR(priv->gpio_lineout_sel)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 		dev_err(dev, "Failed to get line out selection GPIO\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 		return PTR_ERR(priv->gpio_lineout_sel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 	ret = snd_soc_of_parse_card_name(card, "model");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 		dev_err(dev, "Card name is not specified\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 	ret = snd_soc_of_parse_audio_routing(card, "samsung,audio-routing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 		dev_err(dev, "Audio routing invalid/unspecified\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 	cpu = of_get_child_by_name(dev->of_node, "cpu");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	if (!cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 	codec = of_get_child_by_name(dev->of_node, "codec");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	if (!codec) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 		of_node_put(cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	cpu_dai_node = of_parse_phandle(cpu, "sound-dai", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	of_node_put(cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	if (!cpu_dai_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 		dev_err(dev, "parsing cpu/sound-dai failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 		of_node_put(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	codec_dai_node = of_parse_phandle(codec, "sound-dai", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 	of_node_put(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 	if (!codec_dai_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 		dev_err(dev, "audio-codec property invalid/missing\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 		goto put_cpu_dai_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 	for_each_card_prelinks(card, i, dai_link) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) 		dai_link->codecs->of_node = codec_dai_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 		dai_link->cpus->of_node = cpu_dai_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) 		dai_link->platforms->of_node = cpu_dai_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) 	ret = devm_snd_soc_register_component(dev, &midas_component,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) 			midas_ext_dai, ARRAY_SIZE(midas_ext_dai));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) 		dev_err(dev, "Failed to register component: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 		goto put_codec_dai_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 	ret = devm_snd_soc_register_card(dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 		dev_err(dev, "Failed to register card: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) 		goto put_codec_dai_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) put_codec_dai_node:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) 	of_node_put(codec_dai_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) put_cpu_dai_node:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) 	of_node_put(cpu_dai_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) static const struct of_device_id midas_of_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) 	{ .compatible = "samsung,midas-audio" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 	{ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) MODULE_DEVICE_TABLE(of, midas_of_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) static struct platform_driver midas_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) 		.name = "midas-audio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 		.of_match_table = midas_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) 		.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 		.pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 	.probe = midas_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) module_platform_driver(midas_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) MODULE_AUTHOR("Simon Shields <simon@lineageos.org>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) MODULE_DESCRIPTION("ASoC support for Midas");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) MODULE_LICENSE("GPL v2");