Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * spitz.c  --  SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright 2005 Wolfson Microelectronics PLC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright 2005 Openedhand Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *          Richard Purdie <richard@openedhand.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <mach/spitz.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include "../codecs/wm8750.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include "pxa2xx-i2s.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define SPITZ_HP        0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define SPITZ_MIC       1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define SPITZ_LINE      2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define SPITZ_HEADSET   3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define SPITZ_HP_OFF    4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define SPITZ_SPK_ON    0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define SPITZ_SPK_OFF   1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  /* audio clock in Hz - rounded from 12.235MHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define SPITZ_AUDIO_CLOCK 12288000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static int spitz_jack_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) static int spitz_spk_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) static int spitz_mic_gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	snd_soc_dapm_mutex_lock(dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	if (spitz_spk_func == SPITZ_SPK_ON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	/* set up jack connection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	switch (spitz_jack_func) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	case SPITZ_HP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		/* enable and unmute hp jack, disable mic bias */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	case SPITZ_MIC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		/* enable mic jack and bias, mute hp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	case SPITZ_LINE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		/* enable line jack, disable mic bias and mute hp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	case SPITZ_HEADSET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		/* enable and unmute headset jack enable mic bias, mute L hp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	case SPITZ_HP_OFF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		/* jack removed, everything off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	snd_soc_dapm_sync_unlocked(dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	snd_soc_dapm_mutex_unlock(dapm);
^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) static int spitz_startup(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	/* check the jack status at stream startup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	spitz_ext_control(&rtd->card->dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static int spitz_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	unsigned int clk = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	switch (params_rate(params)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	case 8000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	case 16000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	case 48000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	case 96000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		clk = 12288000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	case 11025:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	case 22050:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	case 44100:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		clk = 11289600;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	/* set the codec system clock for DAC and ADC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	/* set the I2S system clock as input (unused) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		SND_SOC_CLOCK_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static const struct snd_soc_ops spitz_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	.startup = spitz_startup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	.hw_params = spitz_hw_params,
^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) static int spitz_get_jack(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	ucontrol->value.enumerated.item[0] = spitz_jack_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static int spitz_set_jack(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	if (spitz_jack_func == ucontrol->value.enumerated.item[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	spitz_jack_func = ucontrol->value.enumerated.item[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	spitz_ext_control(&card->dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) static int spitz_get_spk(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	ucontrol->value.enumerated.item[0] = spitz_spk_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static int spitz_set_spk(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	if (spitz_spk_func == ucontrol->value.enumerated.item[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	spitz_spk_func = ucontrol->value.enumerated.item[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	spitz_ext_control(&card->dapm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	struct snd_kcontrol *k, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	gpio_set_value_cansleep(spitz_mic_gpio, SND_SOC_DAPM_EVENT_ON(event));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) /* spitz machine dapm widgets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	SND_SOC_DAPM_SPK("Ext Spk", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	SND_SOC_DAPM_LINE("Line Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	/* headset is a mic and mono headphone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	SND_SOC_DAPM_HP("Headset Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /* Spitz machine audio_map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static const struct snd_soc_dapm_route spitz_audio_map[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	/* headphone connected to LOUT1, ROUT1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	{"Headphone Jack", NULL, "LOUT1"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	{"Headphone Jack", NULL, "ROUT1"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	/* headset connected to ROUT1 and LINPUT1 with bias (def below) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	{"Headset Jack", NULL, "ROUT1"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	/* ext speaker connected to LOUT2, ROUT2  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	{"Ext Spk", NULL, "ROUT2"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	{"Ext Spk", NULL, "LOUT2"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	/* mic is connected to input 1 - with bias */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	{"LINPUT1", NULL, "Mic Bias"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	{"Mic Bias", NULL, "Mic Jack"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	/* line is connected to input 1 - no bias */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	{"LINPUT1", NULL, "Line Jack"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static const char * const jack_function[] = {"Headphone", "Mic", "Line",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	"Headset", "Off"};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) static const char * const spk_function[] = {"On", "Off"};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static const struct soc_enum spitz_enum[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	SOC_ENUM_SINGLE_EXT(5, jack_function),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	SOC_ENUM_SINGLE_EXT(2, spk_function),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		spitz_set_jack),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		spitz_set_spk),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) /* spitz digital audio interface glue - connects codec <--> CPU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) SND_SOC_DAILINK_DEFS(wm8750,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-i2s")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	DAILINK_COMP_ARRAY(COMP_CODEC("wm8750.0-001b", "wm8750-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static struct snd_soc_dai_link spitz_dai = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	.name = "wm8750",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	.stream_name = "WM8750",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		   SND_SOC_DAIFMT_CBS_CFS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	.ops = &spitz_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	SND_SOC_DAILINK_REG(wm8750),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) /* spitz audio machine driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) static struct snd_soc_card snd_soc_spitz = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	.name = "Spitz",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	.dai_link = &spitz_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	.num_links = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	.controls = wm8750_spitz_controls,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	.num_controls = ARRAY_SIZE(wm8750_spitz_controls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	.dapm_widgets = wm8750_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	.dapm_routes = spitz_audio_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	.num_dapm_routes = ARRAY_SIZE(spitz_audio_map),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	.fully_routed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static int spitz_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	struct snd_soc_card *card = &snd_soc_spitz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	if (machine_is_akita())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		spitz_mic_gpio = AKITA_GPIO_MIC_BIAS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 		spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	ret = gpio_request(spitz_mic_gpio, "MIC GPIO");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 		goto err1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	ret = gpio_direction_output(spitz_mic_gpio, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	card->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	ret = devm_snd_soc_register_card(&pdev->dev, card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 			ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 		goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) err2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	gpio_free(spitz_mic_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) err1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	return ret;
^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 int spitz_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	gpio_free(spitz_mic_gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) static struct platform_driver spitz_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	.driver		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		.name	= "spitz-audio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 		.pm     = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	.probe		= spitz_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	.remove		= spitz_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) module_platform_driver(spitz_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) MODULE_AUTHOR("Richard Purdie");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) MODULE_DESCRIPTION("ALSA SoC Spitz");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) MODULE_ALIAS("platform:spitz-audio");