OpenWrt – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
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1 | office | 1 | From 649b1181f032801c12e17196618c032cdb3cb587 Mon Sep 17 00:00:00 2001 |
2 | From: Raashid Muhammed <raashidmuhammed@zilogic.com> |
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3 | Date: Mon, 27 Mar 2017 12:35:00 +0530 |
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4 | Subject: [PATCH 080/454] Add support for Allo Piano DAC 2.1 plus add-on board |
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5 | for Raspberry Pi. |
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6 | |||
7 | The Piano DAC 2.1 has support for 4 channels with subwoofer. |
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8 | |||
9 | Signed-off-by: Baswaraj K <jaikumar@cem-solutions.net> |
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10 | Reviewed-by: Vijay Kumar B. <vijaykumar@zilogic.com> |
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11 | Reviewed-by: Raashid Muhammed <raashidmuhammed@zilogic.com> |
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12 | |||
13 | Add clock changes and mute gpios (#1938) |
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14 | |||
15 | Also improve code style and adhere to ALSA coding conventions. |
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16 | |||
17 | Signed-off-by: Baswaraj K <jaikumar@cem-solutions.net> |
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18 | Reviewed-by: Vijay Kumar B. <vijaykumar@zilogic.com> |
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19 | Reviewed-by: Raashid Muhammed <raashidmuhammed@zilogic.com> |
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20 | |||
21 | PianoPlus: Dual Mono & Dual Stereo features added (#2069) |
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22 | |||
23 | allo-piano-dac-plus: Master volume added + fixes |
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24 | |||
25 | Master volume added, which controls both DACs volumes. |
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26 | |||
27 | See: https://github.com/raspberrypi/linux/pull/2149 |
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28 | |||
29 | Also fix initial max volume, default mode value, and unmute. |
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30 | |||
31 | Signed-off-by: allocom <sparky-dev@allo.com> |
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32 | --- |
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33 | sound/soc/bcm/Kconfig | 7 + |
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34 | sound/soc/bcm/Makefile | 2 + |
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35 | sound/soc/bcm/allo-piano-dac-plus.c | 1014 +++++++++++++++++++++++++++ |
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36 | 3 files changed, 1023 insertions(+) |
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37 | create mode 100644 sound/soc/bcm/allo-piano-dac-plus.c |
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38 | |||
39 | --- a/sound/soc/bcm/Kconfig |
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40 | +++ b/sound/soc/bcm/Kconfig |
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41 | @@ -131,3 +131,10 @@ config SND_BCM2708_SOC_ALLO_PIANO_DAC |
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42 | select SND_SOC_PCM512x_I2C |
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43 | help |
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44 | Say Y or M if you want to add support for Allo Piano DAC. |
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45 | + |
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46 | +config SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS |
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47 | + tristate "Support for Allo Piano DAC Plus" |
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48 | + depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S |
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49 | + select SND_SOC_PCM512x_I2C |
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50 | + help |
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51 | + Say Y or M if you want to add support for Allo Piano DAC Plus. |
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52 | --- a/sound/soc/bcm/Makefile |
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53 | +++ b/sound/soc/bcm/Makefile |
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54 | @@ -25,6 +25,7 @@ snd-soc-audioinjector-pi-soundcard-objs |
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55 | snd-soc-digidac1-soundcard-objs := digidac1-soundcard.o |
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56 | snd-soc-dionaudio-loco-objs := dionaudio_loco.o |
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57 | snd-soc-allo-piano-dac-objs := allo-piano-dac.o |
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58 | +snd-soc-allo-piano-dac-plus-objs := allo-piano-dac-plus.o |
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59 | |||
60 | obj-$(CONFIG_SND_BCM2708_SOC_ADAU1977_ADC) += snd-soc-adau1977-adc.o |
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61 | obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) += snd-soc-hifiberry-amp.o |
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62 | @@ -42,3 +43,4 @@ obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDC |
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63 | obj-$(CONFIG_SND_DIGIDAC1_SOUNDCARD) += snd-soc-digidac1-soundcard.o |
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64 | obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO) += snd-soc-dionaudio-loco.o |
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65 | obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC) += snd-soc-allo-piano-dac.o |
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66 | +obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS) += snd-soc-allo-piano-dac-plus.o |
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67 | --- /dev/null |
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68 | +++ b/sound/soc/bcm/allo-piano-dac-plus.c |
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69 | @@ -0,0 +1,1014 @@ |
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70 | +/* |
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71 | + * ALSA ASoC Machine Driver for Allo Piano DAC Plus Subwoofer |
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72 | + * |
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73 | + * Author: Baswaraj K <jaikumar@cem-solutions.net> |
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74 | + * Copyright 2016 |
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75 | + * based on code by Daniel Matuschek <info@crazy-audio.com> |
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76 | + * based on code by Florian Meier <florian.meier@koalo.de> |
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77 | + * |
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78 | + * This program is free software; you can redistribute it and/or |
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79 | + * modify it under the terms of the GNU General Public License |
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80 | + * version 2 as published by the Free Software Foundation. |
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81 | + * |
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82 | + * This program is distributed in the hope that it will be useful, but |
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83 | + * WITHOUT ANY WARRANTY; without even the implied warranty of |
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84 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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85 | + * General Public License for more details. |
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86 | + */ |
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87 | + |
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88 | +#include <linux/module.h> |
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89 | +#include <linux/platform_device.h> |
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90 | +#include <linux/gpio/consumer.h> |
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91 | +#include <sound/core.h> |
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92 | +#include <sound/pcm.h> |
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93 | +#include <sound/pcm_params.h> |
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94 | +#include <sound/soc.h> |
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95 | +#include <linux/firmware.h> |
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96 | +#include <linux/delay.h> |
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97 | +#include <sound/tlv.h> |
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98 | +#include "../codecs/pcm512x.h" |
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99 | + |
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100 | +#define P_DAC_LEFT_MUTE 0x10 |
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101 | +#define P_DAC_RIGHT_MUTE 0x01 |
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102 | +#define P_DAC_MUTE 0x11 |
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103 | +#define P_DAC_UNMUTE 0x00 |
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104 | +#define P_MUTE 1 |
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105 | +#define P_UNMUTE 0 |
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106 | + |
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107 | +struct dsp_code { |
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108 | + char i2c_addr; |
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109 | + char offset; |
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110 | + char val; |
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111 | +}; |
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112 | + |
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113 | +struct glb_pool { |
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114 | + struct mutex lock; |
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115 | + unsigned int dual_mode; |
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116 | + unsigned int set_lowpass; |
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117 | + unsigned int set_mode; |
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118 | + unsigned int set_rate; |
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119 | + unsigned int dsp_page_number; |
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120 | +}; |
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121 | + |
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122 | +static bool digital_gain_0db_limit = true; |
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123 | +bool glb_mclk; |
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124 | + |
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125 | +static struct gpio_desc *mute_gpio[2]; |
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126 | + |
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127 | +static const char * const allo_piano_mode_texts[] = { |
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128 | + "None", |
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129 | + "2.0", |
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130 | + "2.1", |
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131 | + "2.2", |
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132 | +}; |
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133 | + |
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134 | +static const SOC_ENUM_SINGLE_DECL(allo_piano_mode_enum, |
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135 | + 0, 0, allo_piano_mode_texts); |
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136 | + |
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137 | +static const char * const allo_piano_dual_mode_texts[] = { |
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138 | + "None", |
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139 | + "Dual-Mono", |
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140 | + "Dual-Stereo", |
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141 | +}; |
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142 | + |
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143 | +static const SOC_ENUM_SINGLE_DECL(allo_piano_dual_mode_enum, |
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144 | + 0, 0, allo_piano_dual_mode_texts); |
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145 | + |
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146 | +static const char * const allo_piano_dsp_low_pass_texts[] = { |
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147 | + "60", |
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148 | + "70", |
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149 | + "80", |
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150 | + "90", |
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151 | + "100", |
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152 | + "110", |
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153 | + "120", |
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154 | + "130", |
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155 | + "140", |
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156 | + "150", |
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157 | + "160", |
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158 | + "170", |
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159 | + "180", |
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160 | + "190", |
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161 | + "200", |
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162 | +}; |
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163 | + |
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164 | +static const SOC_ENUM_SINGLE_DECL(allo_piano_enum, |
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165 | + 0, 0, allo_piano_dsp_low_pass_texts); |
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166 | + |
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167 | +static int __snd_allo_piano_dsp_program(struct snd_soc_pcm_runtime *rtd, |
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168 | + unsigned int mode, unsigned int rate, unsigned int lowpass) |
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169 | +{ |
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170 | + const struct firmware *fw; |
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171 | + struct snd_soc_card *card = rtd->card; |
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172 | + struct glb_pool *glb_ptr = card->drvdata; |
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173 | + char firmware_name[60]; |
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174 | + int ret = 0, dac = 0; |
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175 | + |
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176 | + if (rate <= 46000) |
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177 | + rate = 44100; |
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178 | + else if (rate <= 68000) |
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179 | + rate = 48000; |
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180 | + else if (rate <= 92000) |
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181 | + rate = 88200; |
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182 | + else if (rate <= 136000) |
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183 | + rate = 96000; |
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184 | + else if (rate <= 184000) |
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185 | + rate = 176400; |
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186 | + else |
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187 | + rate = 192000; |
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188 | + |
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189 | + if (lowpass > 14) |
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190 | + glb_ptr->set_lowpass = lowpass = 0; |
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191 | + |
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192 | + if (mode > 3) |
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193 | + glb_ptr->set_mode = mode = 0; |
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194 | + |
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195 | + if (mode > 0) |
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196 | + glb_ptr->dual_mode = 0; |
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197 | + |
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198 | + /* same configuration loaded */ |
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199 | + if ((rate == glb_ptr->set_rate) && (lowpass == glb_ptr->set_lowpass) |
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200 | + && (mode == glb_ptr->set_mode)) |
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201 | + return 0; |
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202 | + |
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203 | + switch (mode) { |
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204 | + case 0: /* None */ |
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205 | + return 1; |
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206 | + |
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207 | + case 1: /* 2.0 */ |
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208 | + snd_soc_write(rtd->codec_dais[0]->codec, |
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209 | + PCM512x_MUTE, P_DAC_UNMUTE); |
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210 | + snd_soc_write(rtd->codec_dais[1]->codec, |
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211 | + PCM512x_MUTE, P_DAC_MUTE); |
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212 | + glb_ptr->set_rate = rate; |
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213 | + glb_ptr->set_mode = mode; |
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214 | + glb_ptr->set_lowpass = lowpass; |
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215 | + return 1; |
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216 | + |
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217 | + default: |
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218 | + snd_soc_write(rtd->codec_dais[0]->codec, |
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219 | + PCM512x_MUTE, P_DAC_UNMUTE); |
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220 | + snd_soc_write(rtd->codec_dais[1]->codec, |
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221 | + PCM512x_MUTE, P_DAC_UNMUTE); |
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222 | + } |
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223 | + |
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224 | + for (dac = 0; dac < rtd->num_codecs; dac++) { |
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225 | + struct dsp_code *dsp_code_read; |
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226 | + struct snd_soc_codec *codec = rtd->codec_dais[dac]->codec; |
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227 | + int i = 1; |
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228 | + |
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229 | + if (dac == 0) { /* high */ |
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230 | + snprintf(firmware_name, sizeof(firmware_name), |
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231 | + "allo/piano/2.2/allo-piano-dsp-%d-%d-%d.bin", |
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232 | + rate, ((lowpass * 10) + 60), dac); |
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233 | + } else { /* low */ |
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234 | + snprintf(firmware_name, sizeof(firmware_name), |
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235 | + "allo/piano/2.%d/allo-piano-dsp-%d-%d-%d.bin", |
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236 | + (mode - 1), rate, ((lowpass * 10) + 60), dac); |
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237 | + } |
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238 | + |
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239 | + dev_info(codec->dev, "Dsp Firmware File Name: %s\n", |
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240 | + firmware_name); |
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241 | + |
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242 | + ret = request_firmware(&fw, firmware_name, codec->dev); |
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243 | + if (ret < 0) { |
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244 | + dev_err(codec->dev, |
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245 | + "Error: Allo Piano Firmware %s missing. %d\n", |
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246 | + firmware_name, ret); |
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247 | + goto err; |
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248 | + } |
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249 | + |
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250 | + while (i < (fw->size - 1)) { |
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251 | + dsp_code_read = (struct dsp_code *)&fw->data[i]; |
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252 | + |
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253 | + if (dsp_code_read->offset == 0) { |
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254 | + glb_ptr->dsp_page_number = dsp_code_read->val; |
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255 | + ret = snd_soc_write(rtd->codec_dais[dac]->codec, |
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256 | + PCM512x_PAGE_BASE(0), |
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257 | + dsp_code_read->val); |
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258 | + |
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259 | + } else if (dsp_code_read->offset != 0) { |
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260 | + ret = snd_soc_write(rtd->codec_dais[dac]->codec, |
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261 | + (PCM512x_PAGE_BASE( |
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262 | + glb_ptr->dsp_page_number) + |
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263 | + dsp_code_read->offset), |
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264 | + dsp_code_read->val); |
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265 | + } |
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266 | + if (ret < 0) { |
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267 | + dev_err(codec->dev, |
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268 | + "Failed to write Register: %d\n", ret); |
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269 | + release_firmware(fw); |
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270 | + goto err; |
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271 | + } |
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272 | + i = i + 3; |
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273 | + } |
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274 | + release_firmware(fw); |
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275 | + } |
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276 | + glb_ptr->set_rate = rate; |
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277 | + glb_ptr->set_mode = mode; |
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278 | + glb_ptr->set_lowpass = lowpass; |
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279 | + return 1; |
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280 | + |
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281 | +err: |
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282 | + return ret; |
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283 | +} |
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284 | + |
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285 | +static int snd_allo_piano_dsp_program(struct snd_soc_pcm_runtime *rtd, |
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286 | + unsigned int mode, unsigned int rate, unsigned int lowpass) |
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287 | +{ |
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288 | + struct snd_soc_card *card = rtd->card; |
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289 | + struct glb_pool *glb_ptr = card->drvdata; |
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290 | + int ret = 0; |
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291 | + |
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292 | + mutex_lock(&glb_ptr->lock); |
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293 | + |
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294 | + ret = __snd_allo_piano_dsp_program(rtd, mode, rate, lowpass); |
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295 | + |
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296 | + mutex_unlock(&glb_ptr->lock); |
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297 | + |
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298 | + return ret; |
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299 | +} |
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300 | + |
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301 | +static int snd_allo_piano_dual_mode_get(struct snd_kcontrol *kcontrol, |
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302 | + struct snd_ctl_elem_value *ucontrol) |
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303 | +{ |
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304 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
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305 | + struct glb_pool *glb_ptr = card->drvdata; |
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306 | + |
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307 | + ucontrol->value.integer.value[0] = glb_ptr->dual_mode; |
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308 | + |
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309 | + return 0; |
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310 | +} |
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311 | + |
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312 | +static int snd_allo_piano_dual_mode_put(struct snd_kcontrol *kcontrol, |
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313 | + struct snd_ctl_elem_value *ucontrol) |
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314 | +{ |
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315 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
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316 | + struct glb_pool *glb_ptr = card->drvdata; |
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317 | + struct snd_soc_pcm_runtime *rtd; |
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318 | + struct snd_card *snd_card_ptr = card->snd_card; |
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319 | + struct snd_kcontrol *kctl; |
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320 | + struct soc_mixer_control *mc; |
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321 | + unsigned int left_val = 0, right_val = 0; |
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322 | + |
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323 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
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324 | + |
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325 | + if (ucontrol->value.integer.value[0] > 0) { |
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326 | + glb_ptr->dual_mode = ucontrol->value.integer.value[0]; |
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327 | + glb_ptr->set_mode = 0; |
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328 | + } else { |
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329 | + if (glb_ptr->set_mode <= 0) { |
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330 | + glb_ptr->dual_mode = 1; |
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331 | + glb_ptr->set_mode = 0; |
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332 | + } else { |
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333 | + glb_ptr->dual_mode = 0; |
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334 | + return 0; |
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335 | + } |
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336 | + } |
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337 | + |
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338 | + if (glb_ptr->dual_mode == 1) { // Dual Mono |
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339 | + snd_soc_write(rtd->codec_dais[0]->codec, |
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340 | + PCM512x_MUTE, P_DAC_RIGHT_MUTE); |
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341 | + snd_soc_write(rtd->codec_dais[1]->codec, |
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342 | + PCM512x_MUTE, P_DAC_LEFT_MUTE); |
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343 | + snd_soc_write(rtd->codec_dais[0]->codec, |
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344 | + PCM512x_DIGITAL_VOLUME_3, 0xff); |
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345 | + snd_soc_write(rtd->codec_dais[1]->codec, |
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346 | + PCM512x_DIGITAL_VOLUME_2, 0xff); |
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347 | + |
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348 | + list_for_each_entry(kctl, &snd_card_ptr->controls, list) { |
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349 | + if (!strncmp(kctl->id.name, "Digital Playback Volume", |
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350 | + sizeof(kctl->id.name))) { |
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351 | + mc = (struct soc_mixer_control *) |
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352 | + kctl->private_value; |
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353 | + mc->rreg = mc->reg; |
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354 | + break; |
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355 | + } |
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356 | + } |
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357 | + } else { |
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358 | + left_val = snd_soc_read(rtd->codec_dais[0]->codec, |
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359 | + PCM512x_DIGITAL_VOLUME_2); |
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360 | + right_val = snd_soc_read(rtd->codec_dais[1]->codec, |
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361 | + PCM512x_DIGITAL_VOLUME_3); |
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362 | + |
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363 | + list_for_each_entry(kctl, &snd_card_ptr->controls, list) { |
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364 | + if (!strncmp(kctl->id.name, "Digital Playback Volume", |
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365 | + sizeof(kctl->id.name))) { |
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366 | + mc = (struct soc_mixer_control *) |
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367 | + kctl->private_value; |
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368 | + mc->rreg = PCM512x_DIGITAL_VOLUME_3; |
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369 | + break; |
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370 | + } |
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371 | + } |
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372 | + |
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373 | + snd_soc_write(rtd->codec_dais[0]->codec, |
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374 | + PCM512x_DIGITAL_VOLUME_3, left_val); |
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375 | + snd_soc_write(rtd->codec_dais[1]->codec, |
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376 | + PCM512x_DIGITAL_VOLUME_2, right_val); |
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377 | + snd_soc_write(rtd->codec_dais[0]->codec, |
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378 | + PCM512x_MUTE, P_DAC_UNMUTE); |
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379 | + snd_soc_write(rtd->codec_dais[1]->codec, |
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380 | + PCM512x_MUTE, P_DAC_UNMUTE); |
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381 | + } |
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382 | + |
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383 | + return 0; |
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384 | +} |
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385 | + |
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386 | +static int snd_allo_piano_mode_get(struct snd_kcontrol *kcontrol, |
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387 | + struct snd_ctl_elem_value *ucontrol) |
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388 | +{ |
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389 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
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390 | + struct glb_pool *glb_ptr = card->drvdata; |
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391 | + |
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392 | + ucontrol->value.integer.value[0] = glb_ptr->set_mode; |
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393 | + return 0; |
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394 | +} |
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395 | + |
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396 | +static int snd_allo_piano_mode_put(struct snd_kcontrol *kcontrol, |
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397 | + struct snd_ctl_elem_value *ucontrol) |
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398 | +{ |
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399 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
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400 | + struct snd_soc_pcm_runtime *rtd; |
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401 | + struct glb_pool *glb_ptr = card->drvdata; |
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402 | + struct snd_card *snd_card_ptr = card->snd_card; |
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403 | + struct snd_kcontrol *kctl; |
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404 | + struct soc_mixer_control *mc; |
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405 | + unsigned int left_val = 0, right_val = 0; |
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406 | + |
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407 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
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408 | + |
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409 | + if ((glb_ptr->dual_mode == 1) && |
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410 | + (ucontrol->value.integer.value[0] > 0)) { |
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411 | + left_val = snd_soc_read(rtd->codec_dais[0]->codec, |
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412 | + PCM512x_DIGITAL_VOLUME_2); |
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413 | + right_val = snd_soc_read(rtd->codec_dais[1]->codec, |
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414 | + PCM512x_DIGITAL_VOLUME_2); |
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415 | + |
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416 | + list_for_each_entry(kctl, &snd_card_ptr->controls, list) { |
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417 | + if (!strncmp(kctl->id.name, "Digital Playback Volume", |
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418 | + sizeof(kctl->id.name))) { |
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419 | + mc = (struct soc_mixer_control *) |
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420 | + kctl->private_value; |
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421 | + mc->rreg = PCM512x_DIGITAL_VOLUME_3; |
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422 | + break; |
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423 | + } |
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424 | + } |
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425 | + snd_soc_write(rtd->codec_dais[0]->codec, |
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426 | + PCM512x_DIGITAL_VOLUME_3, left_val); |
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427 | + snd_soc_write(rtd->codec_dais[1]->codec, |
||
428 | + PCM512x_DIGITAL_VOLUME_3, right_val); |
||
429 | + } |
||
430 | + |
||
431 | + return(snd_allo_piano_dsp_program(rtd, |
||
432 | + ucontrol->value.integer.value[0], |
||
433 | + glb_ptr->set_rate, glb_ptr->set_lowpass)); |
||
434 | +} |
||
435 | + |
||
436 | +static int snd_allo_piano_lowpass_get(struct snd_kcontrol *kcontrol, |
||
437 | + struct snd_ctl_elem_value *ucontrol) |
||
438 | +{ |
||
439 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
440 | + struct glb_pool *glb_ptr = card->drvdata; |
||
441 | + |
||
442 | + ucontrol->value.integer.value[0] = glb_ptr->set_lowpass; |
||
443 | + return 0; |
||
444 | +} |
||
445 | + |
||
446 | +static int snd_allo_piano_lowpass_put(struct snd_kcontrol *kcontrol, |
||
447 | + struct snd_ctl_elem_value *ucontrol) |
||
448 | +{ |
||
449 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
450 | + struct snd_soc_pcm_runtime *rtd; |
||
451 | + struct glb_pool *glb_ptr = card->drvdata; |
||
452 | + |
||
453 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
454 | + return(snd_allo_piano_dsp_program(rtd, |
||
455 | + glb_ptr->set_mode, glb_ptr->set_rate, |
||
456 | + ucontrol->value.integer.value[0])); |
||
457 | +} |
||
458 | + |
||
459 | +static int pcm512x_get_reg_sub(struct snd_kcontrol *kcontrol, |
||
460 | + struct snd_ctl_elem_value *ucontrol) |
||
461 | +{ |
||
462 | + struct soc_mixer_control *mc = |
||
463 | + (struct soc_mixer_control *)kcontrol->private_value; |
||
464 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
465 | + struct glb_pool *glb_ptr = card->drvdata; |
||
466 | + struct snd_soc_pcm_runtime *rtd; |
||
467 | + unsigned int left_val = 0; |
||
468 | + unsigned int right_val = 0; |
||
469 | + |
||
470 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
471 | + right_val = snd_soc_read(rtd->codec_dais[1]->codec, |
||
472 | + PCM512x_DIGITAL_VOLUME_3); |
||
473 | + if (right_val < 0) |
||
474 | + return right_val; |
||
475 | + |
||
476 | + if (glb_ptr->dual_mode != 1) { |
||
477 | + left_val = snd_soc_read(rtd->codec_dais[1]->codec, |
||
478 | + PCM512x_DIGITAL_VOLUME_2); |
||
479 | + if (left_val < 0) |
||
480 | + return left_val; |
||
481 | + |
||
482 | + } else { |
||
483 | + left_val = right_val; |
||
484 | + } |
||
485 | + |
||
486 | + ucontrol->value.integer.value[0] = |
||
487 | + (~(left_val >> mc->shift)) & mc->max; |
||
488 | + ucontrol->value.integer.value[1] = |
||
489 | + (~(right_val >> mc->shift)) & mc->max; |
||
490 | + |
||
491 | + return 0; |
||
492 | +} |
||
493 | + |
||
494 | +static int pcm512x_set_reg_sub(struct snd_kcontrol *kcontrol, |
||
495 | + struct snd_ctl_elem_value *ucontrol) |
||
496 | +{ |
||
497 | + struct soc_mixer_control *mc = |
||
498 | + (struct soc_mixer_control *)kcontrol->private_value; |
||
499 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
500 | + struct glb_pool *glb_ptr = card->drvdata; |
||
501 | + struct snd_soc_pcm_runtime *rtd; |
||
502 | + unsigned int left_val = (ucontrol->value.integer.value[0] & mc->max); |
||
503 | + unsigned int right_val = (ucontrol->value.integer.value[1] & mc->max); |
||
504 | + int ret = 0; |
||
505 | + |
||
506 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
507 | + if (glb_ptr->dual_mode != 1) { |
||
508 | + ret = snd_soc_write(rtd->codec_dais[1]->codec, |
||
509 | + PCM512x_DIGITAL_VOLUME_2, (~left_val)); |
||
510 | + if (ret < 0) |
||
511 | + return ret; |
||
512 | + } |
||
513 | + |
||
514 | + if (digital_gain_0db_limit) { |
||
515 | + ret = snd_soc_limit_volume(card, "Subwoofer Playback Volume", |
||
516 | + 207); |
||
517 | + if (ret < 0) |
||
518 | + dev_warn(card->dev, "Failed to set volume limit: %d\n", |
||
519 | + ret); |
||
520 | + } |
||
521 | + |
||
522 | + ret = snd_soc_write(rtd->codec_dais[1]->codec, |
||
523 | + PCM512x_DIGITAL_VOLUME_3, (~right_val)); |
||
524 | + if (ret < 0) |
||
525 | + return ret; |
||
526 | + |
||
527 | + return 1; |
||
528 | +} |
||
529 | + |
||
530 | +static int pcm512x_get_reg_sub_switch(struct snd_kcontrol *kcontrol, |
||
531 | + struct snd_ctl_elem_value *ucontrol) |
||
532 | +{ |
||
533 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
534 | + struct snd_soc_pcm_runtime *rtd; |
||
535 | + int val = 0; |
||
536 | + |
||
537 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
538 | + val = snd_soc_read(rtd->codec_dais[1]->codec, PCM512x_MUTE); |
||
539 | + if (val < 0) |
||
540 | + return val; |
||
541 | + |
||
542 | + ucontrol->value.integer.value[0] = |
||
543 | + (val & P_DAC_LEFT_MUTE) ? P_UNMUTE : P_MUTE; |
||
544 | + ucontrol->value.integer.value[1] = |
||
545 | + (val & P_DAC_RIGHT_MUTE) ? P_UNMUTE : P_MUTE; |
||
546 | + |
||
547 | + return val; |
||
548 | +} |
||
549 | + |
||
550 | +static int pcm512x_set_reg_sub_switch(struct snd_kcontrol *kcontrol, |
||
551 | + struct snd_ctl_elem_value *ucontrol) |
||
552 | +{ |
||
553 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
554 | + struct snd_soc_pcm_runtime *rtd; |
||
555 | + struct glb_pool *glb_ptr = card->drvdata; |
||
556 | + unsigned int left_val = (ucontrol->value.integer.value[0]); |
||
557 | + unsigned int right_val = (ucontrol->value.integer.value[1]); |
||
558 | + int ret = 0; |
||
559 | + |
||
560 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
561 | + if (glb_ptr->set_mode != 1) { |
||
562 | + ret = snd_soc_write(rtd->codec_dais[1]->codec, PCM512x_MUTE, |
||
563 | + ~((left_val & 0x01)<<4 | (right_val & 0x01))); |
||
564 | + if (ret < 0) |
||
565 | + return ret; |
||
566 | + } |
||
567 | + return 1; |
||
568 | + |
||
569 | +} |
||
570 | + |
||
571 | +static int pcm512x_get_reg_master(struct snd_kcontrol *kcontrol, |
||
572 | + struct snd_ctl_elem_value *ucontrol) |
||
573 | +{ |
||
574 | + struct soc_mixer_control *mc = |
||
575 | + (struct soc_mixer_control *)kcontrol->private_value; |
||
576 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
577 | + struct glb_pool *glb_ptr = card->drvdata; |
||
578 | + struct snd_soc_pcm_runtime *rtd; |
||
579 | + unsigned int left_val = 0, right_val = 0; |
||
580 | + |
||
581 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
582 | + |
||
583 | + left_val = snd_soc_read(rtd->codec_dais[0]->codec, |
||
584 | + PCM512x_DIGITAL_VOLUME_2); |
||
585 | + if (left_val < 0) |
||
586 | + return left_val; |
||
587 | + |
||
588 | + if (glb_ptr->dual_mode == 1) { |
||
589 | + right_val = snd_soc_read(rtd->codec_dais[1]->codec, |
||
590 | + PCM512x_DIGITAL_VOLUME_3); |
||
591 | + if (right_val < 0) |
||
592 | + return right_val; |
||
593 | + } else { |
||
594 | + right_val = snd_soc_read(rtd->codec_dais[0]->codec, |
||
595 | + PCM512x_DIGITAL_VOLUME_3); |
||
596 | + if (right_val < 0) |
||
597 | + return right_val; |
||
598 | + } |
||
599 | + |
||
600 | + ucontrol->value.integer.value[0] = |
||
601 | + (~(left_val >> mc->shift)) & mc->max; |
||
602 | + ucontrol->value.integer.value[1] = |
||
603 | + (~(right_val >> mc->shift)) & mc->max; |
||
604 | + |
||
605 | + return 0; |
||
606 | +} |
||
607 | + |
||
608 | +static int pcm512x_set_reg_master(struct snd_kcontrol *kcontrol, |
||
609 | + struct snd_ctl_elem_value *ucontrol) |
||
610 | +{ |
||
611 | + struct soc_mixer_control *mc = |
||
612 | + (struct soc_mixer_control *)kcontrol->private_value; |
||
613 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
614 | + struct glb_pool *glb_ptr = card->drvdata; |
||
615 | + struct snd_soc_pcm_runtime *rtd; |
||
616 | + unsigned int left_val = (ucontrol->value.integer.value[0] & mc->max); |
||
617 | + unsigned int right_val = (ucontrol->value.integer.value[1] & mc->max); |
||
618 | + int ret = 0; |
||
619 | + |
||
620 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
621 | + |
||
622 | + if (digital_gain_0db_limit) { |
||
623 | + ret = snd_soc_limit_volume(card, "Master Playback Volume", |
||
624 | + 207); |
||
625 | + if (ret < 0) |
||
626 | + dev_warn(card->dev, "Failed to set volume limit: %d\n", |
||
627 | + ret); |
||
628 | + } |
||
629 | + |
||
630 | + if (glb_ptr->dual_mode != 1) { |
||
631 | + ret = snd_soc_write(rtd->codec_dais[1]->codec, |
||
632 | + PCM512x_DIGITAL_VOLUME_2, (~left_val)); |
||
633 | + if (ret < 0) |
||
634 | + return ret; |
||
635 | + |
||
636 | + ret = snd_soc_write(rtd->codec_dais[0]->codec, |
||
637 | + PCM512x_DIGITAL_VOLUME_3, (~right_val)); |
||
638 | + if (ret < 0) |
||
639 | + return ret; |
||
640 | + |
||
641 | + } |
||
642 | + |
||
643 | + ret = snd_soc_write(rtd->codec_dais[1]->codec, |
||
644 | + PCM512x_DIGITAL_VOLUME_3, (~right_val)); |
||
645 | + if (ret < 0) |
||
646 | + return ret; |
||
647 | + |
||
648 | + ret = snd_soc_write(rtd->codec_dais[0]->codec, |
||
649 | + PCM512x_DIGITAL_VOLUME_2, (~left_val)); |
||
650 | + if (ret < 0) |
||
651 | + return ret; |
||
652 | + return 1; |
||
653 | +} |
||
654 | + |
||
655 | +static int pcm512x_get_reg_master_switch(struct snd_kcontrol *kcontrol, |
||
656 | + struct snd_ctl_elem_value *ucontrol) |
||
657 | +{ |
||
658 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
659 | + struct glb_pool *glb_ptr = card->drvdata; |
||
660 | + struct snd_soc_pcm_runtime *rtd; |
||
661 | + int val = 0; |
||
662 | + |
||
663 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
664 | + |
||
665 | + val = snd_soc_read(rtd->codec_dais[0]->codec, PCM512x_MUTE); |
||
666 | + if (val < 0) |
||
667 | + return val; |
||
668 | + |
||
669 | + ucontrol->value.integer.value[0] = |
||
670 | + (val & P_DAC_LEFT_MUTE) ? P_UNMUTE : P_MUTE; |
||
671 | + |
||
672 | + if (glb_ptr->dual_mode == 1) { |
||
673 | + val = snd_soc_read(rtd->codec_dais[1]->codec, PCM512x_MUTE); |
||
674 | + if (val < 0) |
||
675 | + return val; |
||
676 | + } |
||
677 | + ucontrol->value.integer.value[1] = |
||
678 | + (val & P_DAC_RIGHT_MUTE) ? P_UNMUTE : P_MUTE; |
||
679 | + |
||
680 | + return val; |
||
681 | +} |
||
682 | + |
||
683 | +static int pcm512x_set_reg_master_switch(struct snd_kcontrol *kcontrol, |
||
684 | + struct snd_ctl_elem_value *ucontrol) |
||
685 | +{ |
||
686 | + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
||
687 | + struct snd_soc_pcm_runtime *rtd; |
||
688 | + struct glb_pool *glb_ptr = card->drvdata; |
||
689 | + unsigned int left_val = (ucontrol->value.integer.value[0]); |
||
690 | + unsigned int right_val = (ucontrol->value.integer.value[1]); |
||
691 | + int ret = 0; |
||
692 | + |
||
693 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
694 | + if (glb_ptr->dual_mode == 1) { |
||
695 | + ret = snd_soc_write(rtd->codec_dais[0]->codec, PCM512x_MUTE, |
||
696 | + ~((left_val & 0x01)<<4)); |
||
697 | + if (ret < 0) |
||
698 | + return ret; |
||
699 | + ret = snd_soc_write(rtd->codec_dais[1]->codec, PCM512x_MUTE, |
||
700 | + ~((right_val & 0x01))); |
||
701 | + if (ret < 0) |
||
702 | + return ret; |
||
703 | + |
||
704 | + } else if (glb_ptr->set_mode == 1) { |
||
705 | + ret = snd_soc_write(rtd->codec_dais[0]->codec, PCM512x_MUTE, |
||
706 | + ~((left_val & 0x01)<<4 | (right_val & 0x01))); |
||
707 | + if (ret < 0) |
||
708 | + return ret; |
||
709 | + |
||
710 | + } else { |
||
711 | + ret = snd_soc_write(rtd->codec_dais[0]->codec, PCM512x_MUTE, |
||
712 | + ~((left_val & 0x01)<<4 | (right_val & 0x01))); |
||
713 | + if (ret < 0) |
||
714 | + return ret; |
||
715 | + |
||
716 | + ret = snd_soc_write(rtd->codec_dais[1]->codec, PCM512x_MUTE, |
||
717 | + ~((left_val & 0x01)<<4 | (right_val & 0x01))); |
||
718 | + if (ret < 0) |
||
719 | + return ret; |
||
720 | + } |
||
721 | + return 1; |
||
722 | +} |
||
723 | + |
||
724 | +static const DECLARE_TLV_DB_SCALE(digital_tlv_sub, -10350, 50, 1); |
||
725 | +static const DECLARE_TLV_DB_SCALE(digital_tlv_master, -10350, 50, 1); |
||
726 | + |
||
727 | +static const struct snd_kcontrol_new allo_piano_controls[] = { |
||
728 | + SOC_ENUM_EXT("Subwoofer mode Route", |
||
729 | + allo_piano_mode_enum, |
||
730 | + snd_allo_piano_mode_get, |
||
731 | + snd_allo_piano_mode_put), |
||
732 | + |
||
733 | + SOC_ENUM_EXT("Dual Mode Route", |
||
734 | + allo_piano_dual_mode_enum, |
||
735 | + snd_allo_piano_dual_mode_get, |
||
736 | + snd_allo_piano_dual_mode_put), |
||
737 | + |
||
738 | + SOC_ENUM_EXT("Lowpass Route", allo_piano_enum, |
||
739 | + snd_allo_piano_lowpass_get, |
||
740 | + snd_allo_piano_lowpass_put), |
||
741 | + |
||
742 | + SOC_DOUBLE_R_EXT_TLV("Subwoofer Playback Volume", |
||
743 | + PCM512x_DIGITAL_VOLUME_2, |
||
744 | + PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, |
||
745 | + pcm512x_get_reg_sub, |
||
746 | + pcm512x_set_reg_sub, |
||
747 | + digital_tlv_sub), |
||
748 | + |
||
749 | + SOC_DOUBLE_EXT("Subwoofer Playback Switch", |
||
750 | + PCM512x_MUTE, |
||
751 | + PCM512x_RQML_SHIFT, |
||
752 | + PCM512x_RQMR_SHIFT, 1, 1, |
||
753 | + pcm512x_get_reg_sub_switch, |
||
754 | + pcm512x_set_reg_sub_switch), |
||
755 | + |
||
756 | + SOC_DOUBLE_R_EXT_TLV("Master Playback Volume", |
||
757 | + PCM512x_DIGITAL_VOLUME_2, |
||
758 | + PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, |
||
759 | + pcm512x_get_reg_master, |
||
760 | + pcm512x_set_reg_master, |
||
761 | + digital_tlv_master), |
||
762 | + |
||
763 | + SOC_DOUBLE_EXT("Master Playback Switch", |
||
764 | + PCM512x_MUTE, |
||
765 | + PCM512x_RQML_SHIFT, |
||
766 | + PCM512x_RQMR_SHIFT, 1, 1, |
||
767 | + pcm512x_get_reg_master_switch, |
||
768 | + pcm512x_set_reg_master_switch), |
||
769 | +}; |
||
770 | + |
||
771 | +static int snd_allo_piano_dac_init(struct snd_soc_pcm_runtime *rtd) |
||
772 | +{ |
||
773 | + struct snd_soc_card *card = rtd->card; |
||
774 | + struct glb_pool *glb_ptr; |
||
775 | + |
||
776 | + glb_ptr = kmalloc(sizeof(struct glb_pool), GFP_KERNEL); |
||
777 | + if (!glb_ptr) |
||
778 | + return -ENOMEM; |
||
779 | + |
||
780 | + memset(glb_ptr, 0x00, sizeof(glb_ptr)); |
||
781 | + card->drvdata = glb_ptr; |
||
782 | + glb_ptr->dual_mode = 2; |
||
783 | + glb_ptr->set_mode = 0; |
||
784 | + |
||
785 | + mutex_init(&glb_ptr->lock); |
||
786 | + |
||
787 | + if (digital_gain_0db_limit) { |
||
788 | + int ret; |
||
789 | + |
||
790 | + ret = snd_soc_limit_volume(card, "Digital Playback Volume", |
||
791 | + 207); |
||
792 | + if (ret < 0) |
||
793 | + dev_warn(card->dev, "Failed to set volume limit: %d\n", |
||
794 | + ret); |
||
795 | + } |
||
796 | + return 0; |
||
797 | +} |
||
798 | + |
||
799 | +static void snd_allo_piano_gpio_mute(struct snd_soc_card *card) |
||
800 | +{ |
||
801 | + if (mute_gpio[0]) |
||
802 | + gpiod_set_value_cansleep(mute_gpio[0], P_MUTE); |
||
803 | + |
||
804 | + if (mute_gpio[1]) |
||
805 | + gpiod_set_value_cansleep(mute_gpio[1], P_MUTE); |
||
806 | +} |
||
807 | + |
||
808 | +static void snd_allo_piano_gpio_unmute(struct snd_soc_card *card) |
||
809 | +{ |
||
810 | + if (mute_gpio[0]) |
||
811 | + gpiod_set_value_cansleep(mute_gpio[0], P_UNMUTE); |
||
812 | + |
||
813 | + if (mute_gpio[1]) |
||
814 | + gpiod_set_value_cansleep(mute_gpio[1], P_UNMUTE); |
||
815 | +} |
||
816 | + |
||
817 | +static int snd_allo_piano_set_bias_level(struct snd_soc_card *card, |
||
818 | + struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) |
||
819 | +{ |
||
820 | + struct snd_soc_pcm_runtime *rtd; |
||
821 | + struct snd_soc_dai *codec_dai; |
||
822 | + |
||
823 | + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); |
||
824 | + codec_dai = rtd->codec_dai; |
||
825 | + |
||
826 | + if (dapm->dev != codec_dai->dev) |
||
827 | + return 0; |
||
828 | + |
||
829 | + switch (level) { |
||
830 | + case SND_SOC_BIAS_PREPARE: |
||
831 | + if (dapm->bias_level != SND_SOC_BIAS_STANDBY) |
||
832 | + break; |
||
833 | + /* UNMUTE DAC */ |
||
834 | + snd_allo_piano_gpio_unmute(card); |
||
835 | + break; |
||
836 | + |
||
837 | + case SND_SOC_BIAS_STANDBY: |
||
838 | + if (dapm->bias_level != SND_SOC_BIAS_PREPARE) |
||
839 | + break; |
||
840 | + /* MUTE DAC */ |
||
841 | + snd_allo_piano_gpio_mute(card); |
||
842 | + break; |
||
843 | + |
||
844 | + default: |
||
845 | + break; |
||
846 | + } |
||
847 | + |
||
848 | + return 0; |
||
849 | +} |
||
850 | + |
||
851 | +static int snd_allo_piano_dac_startup( |
||
852 | + struct snd_pcm_substream *substream) |
||
853 | +{ |
||
854 | + struct snd_soc_pcm_runtime *rtd = substream->private_data; |
||
855 | + struct snd_soc_card *card = rtd->card; |
||
856 | + |
||
857 | + snd_allo_piano_gpio_mute(card); |
||
858 | + |
||
859 | + return 0; |
||
860 | +} |
||
861 | + |
||
862 | +static int snd_allo_piano_dac_hw_params( |
||
863 | + struct snd_pcm_substream *substream, |
||
864 | + struct snd_pcm_hw_params *params) |
||
865 | +{ |
||
866 | + struct snd_soc_pcm_runtime *rtd = substream->private_data; |
||
867 | + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
||
868 | + unsigned int sample_bits = |
||
869 | + snd_pcm_format_physical_width(params_format(params)); |
||
870 | + unsigned int rate = params_rate(params); |
||
871 | + struct snd_soc_card *card = rtd->card; |
||
872 | + struct glb_pool *glb_ptr = card->drvdata; |
||
873 | + int ret = 0, val = 0, dac; |
||
874 | + |
||
875 | + for (dac = 0; (glb_mclk && dac < 2); dac++) { |
||
876 | + /* Configure the PLL clock reference for both the Codecs */ |
||
877 | + val = snd_soc_read(rtd->codec_dais[dac]->codec, |
||
878 | + PCM512x_RATE_DET_4); |
||
879 | + if (val < 0) { |
||
880 | + dev_err(rtd->codec_dais[dac]->codec->dev, |
||
881 | + "Failed to read register PCM512x_RATE_DET_4\n"); |
||
882 | + return val; |
||
883 | + } |
||
884 | + |
||
885 | + if (val & 0x40) { |
||
886 | + snd_soc_write(rtd->codec_dais[dac]->codec, |
||
887 | + PCM512x_PLL_REF, |
||
888 | + PCM512x_SREF_BCK); |
||
889 | + |
||
890 | + dev_info(rtd->codec_dais[dac]->codec->dev, |
||
891 | + "Setting BCLK as input clock & Enable PLL\n"); |
||
892 | + } else { |
||
893 | + snd_soc_write(rtd->codec_dais[dac]->codec, |
||
894 | + PCM512x_PLL_EN, |
||
895 | + 0x00); |
||
896 | + |
||
897 | + snd_soc_write(rtd->codec_dais[dac]->codec, |
||
898 | + PCM512x_PLL_REF, |
||
899 | + PCM512x_SREF_SCK); |
||
900 | + |
||
901 | + dev_info(rtd->codec_dais[dac]->codec->dev, |
||
902 | + "Setting SCLK as input clock & disabled PLL\n"); |
||
903 | + } |
||
904 | + } |
||
905 | + |
||
906 | + ret = snd_allo_piano_dsp_program(rtd, glb_ptr->set_mode, rate, |
||
907 | + glb_ptr->set_lowpass); |
||
908 | + if (ret < 0) |
||
909 | + return ret; |
||
910 | + |
||
911 | + ret = snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2); |
||
912 | + |
||
913 | + return ret; |
||
914 | +} |
||
915 | + |
||
916 | +static int snd_allo_piano_dac_prepare( |
||
917 | + struct snd_pcm_substream *substream) |
||
918 | +{ |
||
919 | + struct snd_soc_pcm_runtime *rtd = substream->private_data; |
||
920 | + struct snd_soc_card *card = rtd->card; |
||
921 | + |
||
922 | + snd_allo_piano_gpio_unmute(card); |
||
923 | + |
||
924 | + return 0; |
||
925 | +} |
||
926 | + |
||
927 | +/* machine stream operations */ |
||
928 | +static struct snd_soc_ops snd_allo_piano_dac_ops = { |
||
929 | + .startup = snd_allo_piano_dac_startup, |
||
930 | + .hw_params = snd_allo_piano_dac_hw_params, |
||
931 | + .prepare = snd_allo_piano_dac_prepare, |
||
932 | +}; |
||
933 | + |
||
934 | +static struct snd_soc_dai_link_component allo_piano_2_1_codecs[] = { |
||
935 | + { |
||
936 | + .dai_name = "pcm512x-hifi", |
||
937 | + }, |
||
938 | + { |
||
939 | + .dai_name = "pcm512x-hifi", |
||
940 | + }, |
||
941 | +}; |
||
942 | + |
||
943 | +static struct snd_soc_dai_link snd_allo_piano_dac_dai[] = { |
||
944 | + { |
||
945 | + .name = "PianoDACPlus", |
||
946 | + .stream_name = "PianoDACPlus", |
||
947 | + .cpu_dai_name = "bcm2708-i2s.0", |
||
948 | + .platform_name = "bcm2708-i2s.0", |
||
949 | + .codecs = allo_piano_2_1_codecs, |
||
950 | + .num_codecs = 2, |
||
951 | + .dai_fmt = SND_SOC_DAIFMT_I2S | |
||
952 | + SND_SOC_DAIFMT_NB_NF | |
||
953 | + SND_SOC_DAIFMT_CBS_CFS, |
||
954 | + .ops = &snd_allo_piano_dac_ops, |
||
955 | + .init = snd_allo_piano_dac_init, |
||
956 | + }, |
||
957 | +}; |
||
958 | + |
||
959 | +/* audio machine driver */ |
||
960 | +static struct snd_soc_card snd_allo_piano_dac = { |
||
961 | + .name = "PianoDACPlus", |
||
962 | + .owner = THIS_MODULE, |
||
963 | + .dai_link = snd_allo_piano_dac_dai, |
||
964 | + .num_links = ARRAY_SIZE(snd_allo_piano_dac_dai), |
||
965 | + .controls = allo_piano_controls, |
||
966 | + .num_controls = ARRAY_SIZE(allo_piano_controls), |
||
967 | +}; |
||
968 | + |
||
969 | +static int snd_allo_piano_dac_probe(struct platform_device *pdev) |
||
970 | +{ |
||
971 | + struct snd_soc_card *card = &snd_allo_piano_dac; |
||
972 | + int ret = 0, i = 0; |
||
973 | + |
||
974 | + card->dev = &pdev->dev; |
||
975 | + platform_set_drvdata(pdev, &snd_allo_piano_dac); |
||
976 | + |
||
977 | + if (pdev->dev.of_node) { |
||
978 | + struct device_node *i2s_node; |
||
979 | + struct snd_soc_dai_link *dai; |
||
980 | + |
||
981 | + dai = &snd_allo_piano_dac_dai[0]; |
||
982 | + i2s_node = of_parse_phandle(pdev->dev.of_node, |
||
983 | + "i2s-controller", 0); |
||
984 | + if (i2s_node) { |
||
985 | + for (i = 0; i < card->num_links; i++) { |
||
986 | + dai->cpu_dai_name = NULL; |
||
987 | + dai->cpu_of_node = i2s_node; |
||
988 | + dai->platform_name = NULL; |
||
989 | + dai->platform_of_node = i2s_node; |
||
990 | + } |
||
991 | + } |
||
992 | + digital_gain_0db_limit = |
||
993 | + !of_property_read_bool(pdev->dev.of_node, |
||
994 | + "allo,24db_digital_gain"); |
||
995 | + |
||
996 | + glb_mclk = of_property_read_bool(pdev->dev.of_node, |
||
997 | + "allo,glb_mclk"); |
||
998 | + |
||
999 | + allo_piano_2_1_codecs[0].of_node = |
||
1000 | + of_parse_phandle(pdev->dev.of_node, "audio-codec", 0); |
||
1001 | + if (!allo_piano_2_1_codecs[0].of_node) { |
||
1002 | + dev_err(&pdev->dev, |
||
1003 | + "Property 'audio-codec' missing or invalid\n"); |
||
1004 | + return -EINVAL; |
||
1005 | + } |
||
1006 | + |
||
1007 | + allo_piano_2_1_codecs[1].of_node = |
||
1008 | + of_parse_phandle(pdev->dev.of_node, "audio-codec", 1); |
||
1009 | + if (!allo_piano_2_1_codecs[1].of_node) { |
||
1010 | + dev_err(&pdev->dev, |
||
1011 | + "Property 'audio-codec' missing or invalid\n"); |
||
1012 | + return -EINVAL; |
||
1013 | + } |
||
1014 | + |
||
1015 | + mute_gpio[0] = devm_gpiod_get_optional(&pdev->dev, "mute1", |
||
1016 | + GPIOD_OUT_LOW); |
||
1017 | + if (IS_ERR(mute_gpio[0])) { |
||
1018 | + ret = PTR_ERR(mute_gpio[0]); |
||
1019 | + dev_err(&pdev->dev, |
||
1020 | + "failed to get mute1 gpio6: %d\n", ret); |
||
1021 | + return ret; |
||
1022 | + } |
||
1023 | + |
||
1024 | + mute_gpio[1] = devm_gpiod_get_optional(&pdev->dev, "mute2", |
||
1025 | + GPIOD_OUT_LOW); |
||
1026 | + if (IS_ERR(mute_gpio[1])) { |
||
1027 | + ret = PTR_ERR(mute_gpio[1]); |
||
1028 | + dev_err(&pdev->dev, |
||
1029 | + "failed to get mute2 gpio25: %d\n", ret); |
||
1030 | + return ret; |
||
1031 | + } |
||
1032 | + |
||
1033 | + if (mute_gpio[0] && mute_gpio[1]) |
||
1034 | + snd_allo_piano_dac.set_bias_level = |
||
1035 | + snd_allo_piano_set_bias_level; |
||
1036 | + |
||
1037 | + ret = snd_soc_register_card(&snd_allo_piano_dac); |
||
1038 | + if (ret < 0) { |
||
1039 | + dev_err(&pdev->dev, |
||
1040 | + "snd_soc_register_card() failed: %d\n", ret); |
||
1041 | + return ret; |
||
1042 | + } |
||
1043 | + |
||
1044 | + if ((mute_gpio[0]) && (mute_gpio[1])) |
||
1045 | + snd_allo_piano_gpio_mute(&snd_allo_piano_dac); |
||
1046 | + |
||
1047 | + return 0; |
||
1048 | + } |
||
1049 | + |
||
1050 | + return -EINVAL; |
||
1051 | +} |
||
1052 | + |
||
1053 | +static int snd_allo_piano_dac_remove(struct platform_device *pdev) |
||
1054 | +{ |
||
1055 | + struct snd_soc_card *card = platform_get_drvdata(pdev); |
||
1056 | + |
||
1057 | + kfree(&card->drvdata); |
||
1058 | + snd_allo_piano_gpio_mute(&snd_allo_piano_dac); |
||
1059 | + return snd_soc_unregister_card(&snd_allo_piano_dac); |
||
1060 | +} |
||
1061 | + |
||
1062 | +static const struct of_device_id snd_allo_piano_dac_of_match[] = { |
||
1063 | + { .compatible = "allo,piano-dac-plus", }, |
||
1064 | + { /* sentinel */ }, |
||
1065 | +}; |
||
1066 | + |
||
1067 | +MODULE_DEVICE_TABLE(of, snd_allo_piano_dac_of_match); |
||
1068 | + |
||
1069 | +static struct platform_driver snd_allo_piano_dac_driver = { |
||
1070 | + .driver = { |
||
1071 | + .name = "snd-allo-piano-dac-plus", |
||
1072 | + .owner = THIS_MODULE, |
||
1073 | + .of_match_table = snd_allo_piano_dac_of_match, |
||
1074 | + }, |
||
1075 | + .probe = snd_allo_piano_dac_probe, |
||
1076 | + .remove = snd_allo_piano_dac_remove, |
||
1077 | +}; |
||
1078 | + |
||
1079 | +module_platform_driver(snd_allo_piano_dac_driver); |
||
1080 | + |
||
1081 | +MODULE_AUTHOR("Baswaraj K <jaikumar@cem-solutions.net>"); |
||
1082 | +MODULE_DESCRIPTION("ALSA ASoC Machine Driver for Allo Piano DAC Plus"); |
||
1083 | +MODULE_LICENSE("GPL v2"); |