Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 1 | /* |
| 2 | * wm8974.c -- WM8974 ALSA Soc Audio driver |
| 3 | * |
Mark Brown | 8b83a19 | 2009-06-30 19:37:02 +0100 | [diff] [blame] | 4 | * Copyright 2006-2009 Wolfson Microelectronics PLC. |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 5 | * |
Mark Brown | 9a185b9 | 2011-10-06 11:10:01 +0100 | [diff] [blame] | 6 | * Author: Liam Girdwood <Liam.Girdwood@wolfsonmicro.com> |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/moduleparam.h> |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/pm.h> |
| 19 | #include <linux/i2c.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 20 | #include <linux/slab.h> |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 21 | #include <sound/core.h> |
| 22 | #include <sound/pcm.h> |
| 23 | #include <sound/pcm_params.h> |
| 24 | #include <sound/soc.h> |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 25 | #include <sound/initval.h> |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 26 | #include <sound/tlv.h> |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 27 | |
| 28 | #include "wm8974.h" |
| 29 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 30 | static const u16 wm8974_reg[WM8974_CACHEREGNUM] = { |
Mark Brown | 1a55b3f | 2009-05-23 11:31:40 +0100 | [diff] [blame] | 31 | 0x0000, 0x0000, 0x0000, 0x0000, |
| 32 | 0x0050, 0x0000, 0x0140, 0x0000, |
| 33 | 0x0000, 0x0000, 0x0000, 0x00ff, |
| 34 | 0x0000, 0x0000, 0x0100, 0x00ff, |
| 35 | 0x0000, 0x0000, 0x012c, 0x002c, |
| 36 | 0x002c, 0x002c, 0x002c, 0x0000, |
| 37 | 0x0032, 0x0000, 0x0000, 0x0000, |
| 38 | 0x0000, 0x0000, 0x0000, 0x0000, |
| 39 | 0x0038, 0x000b, 0x0032, 0x0000, |
| 40 | 0x0008, 0x000c, 0x0093, 0x00e9, |
| 41 | 0x0000, 0x0000, 0x0000, 0x0000, |
| 42 | 0x0003, 0x0010, 0x0000, 0x0000, |
| 43 | 0x0000, 0x0002, 0x0000, 0x0000, |
| 44 | 0x0000, 0x0000, 0x0039, 0x0000, |
| 45 | 0x0000, |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 46 | }; |
| 47 | |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 48 | #define WM8974_POWER1_BIASEN 0x08 |
Guennadi Liakhovetski | 48c03ce | 2009-12-17 14:51:35 +0100 | [diff] [blame] | 49 | #define WM8974_POWER1_BUFIOEN 0x04 |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 50 | |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 51 | #define wm8974_reset(c) snd_soc_write(c, WM8974_RESET, 0) |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 52 | |
| 53 | static const char *wm8974_companding[] = {"Off", "NC", "u-law", "A-law" }; |
| 54 | static const char *wm8974_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz" }; |
| 55 | static const char *wm8974_eqmode[] = {"Capture", "Playback" }; |
| 56 | static const char *wm8974_bw[] = {"Narrow", "Wide" }; |
| 57 | static const char *wm8974_eq1[] = {"80Hz", "105Hz", "135Hz", "175Hz" }; |
| 58 | static const char *wm8974_eq2[] = {"230Hz", "300Hz", "385Hz", "500Hz" }; |
| 59 | static const char *wm8974_eq3[] = {"650Hz", "850Hz", "1.1kHz", "1.4kHz" }; |
| 60 | static const char *wm8974_eq4[] = {"1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz" }; |
| 61 | static const char *wm8974_eq5[] = {"5.3kHz", "6.9kHz", "9kHz", "11.7kHz" }; |
| 62 | static const char *wm8974_alc[] = {"ALC", "Limiter" }; |
| 63 | |
| 64 | static const struct soc_enum wm8974_enum[] = { |
| 65 | SOC_ENUM_SINGLE(WM8974_COMP, 1, 4, wm8974_companding), /* adc */ |
| 66 | SOC_ENUM_SINGLE(WM8974_COMP, 3, 4, wm8974_companding), /* dac */ |
| 67 | SOC_ENUM_SINGLE(WM8974_DAC, 4, 4, wm8974_deemp), |
| 68 | SOC_ENUM_SINGLE(WM8974_EQ1, 8, 2, wm8974_eqmode), |
| 69 | |
| 70 | SOC_ENUM_SINGLE(WM8974_EQ1, 5, 4, wm8974_eq1), |
| 71 | SOC_ENUM_SINGLE(WM8974_EQ2, 8, 2, wm8974_bw), |
| 72 | SOC_ENUM_SINGLE(WM8974_EQ2, 5, 4, wm8974_eq2), |
| 73 | SOC_ENUM_SINGLE(WM8974_EQ3, 8, 2, wm8974_bw), |
| 74 | |
| 75 | SOC_ENUM_SINGLE(WM8974_EQ3, 5, 4, wm8974_eq3), |
| 76 | SOC_ENUM_SINGLE(WM8974_EQ4, 8, 2, wm8974_bw), |
| 77 | SOC_ENUM_SINGLE(WM8974_EQ4, 5, 4, wm8974_eq4), |
| 78 | SOC_ENUM_SINGLE(WM8974_EQ5, 8, 2, wm8974_bw), |
| 79 | |
| 80 | SOC_ENUM_SINGLE(WM8974_EQ5, 5, 4, wm8974_eq5), |
| 81 | SOC_ENUM_SINGLE(WM8974_ALC3, 8, 2, wm8974_alc), |
| 82 | }; |
| 83 | |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 84 | static const char *wm8974_auxmode_text[] = { "Buffer", "Mixer" }; |
| 85 | |
| 86 | static const struct soc_enum wm8974_auxmode = |
| 87 | SOC_ENUM_SINGLE(WM8974_INPUT, 3, 2, wm8974_auxmode_text); |
| 88 | |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 89 | static const DECLARE_TLV_DB_SCALE(digital_tlv, -12750, 50, 1); |
| 90 | static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); |
| 91 | static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1200, 75, 0); |
| 92 | static const DECLARE_TLV_DB_SCALE(spk_tlv, -5700, 100, 0); |
| 93 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 94 | static const struct snd_kcontrol_new wm8974_snd_controls[] = { |
| 95 | |
| 96 | SOC_SINGLE("Digital Loopback Switch", WM8974_COMP, 0, 1, 0), |
| 97 | |
| 98 | SOC_ENUM("DAC Companding", wm8974_enum[1]), |
| 99 | SOC_ENUM("ADC Companding", wm8974_enum[0]), |
| 100 | |
| 101 | SOC_ENUM("Playback De-emphasis", wm8974_enum[2]), |
| 102 | SOC_SINGLE("DAC Inversion Switch", WM8974_DAC, 0, 1, 0), |
| 103 | |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 104 | SOC_SINGLE_TLV("PCM Volume", WM8974_DACVOL, 0, 255, 0, digital_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 105 | |
| 106 | SOC_SINGLE("High Pass Filter Switch", WM8974_ADC, 8, 1, 0), |
| 107 | SOC_SINGLE("High Pass Cut Off", WM8974_ADC, 4, 7, 0), |
javier Martin | 25cbf46 | 2009-07-21 11:15:06 +0200 | [diff] [blame] | 108 | SOC_SINGLE("ADC Inversion Switch", WM8974_ADC, 0, 1, 0), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 109 | |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 110 | SOC_SINGLE_TLV("Capture Volume", WM8974_ADCVOL, 0, 255, 0, digital_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 111 | |
| 112 | SOC_ENUM("Equaliser Function", wm8974_enum[3]), |
| 113 | SOC_ENUM("EQ1 Cut Off", wm8974_enum[4]), |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 114 | SOC_SINGLE_TLV("EQ1 Volume", WM8974_EQ1, 0, 24, 1, eq_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 115 | |
| 116 | SOC_ENUM("Equaliser EQ2 Bandwith", wm8974_enum[5]), |
| 117 | SOC_ENUM("EQ2 Cut Off", wm8974_enum[6]), |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 118 | SOC_SINGLE_TLV("EQ2 Volume", WM8974_EQ2, 0, 24, 1, eq_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 119 | |
| 120 | SOC_ENUM("Equaliser EQ3 Bandwith", wm8974_enum[7]), |
| 121 | SOC_ENUM("EQ3 Cut Off", wm8974_enum[8]), |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 122 | SOC_SINGLE_TLV("EQ3 Volume", WM8974_EQ3, 0, 24, 1, eq_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 123 | |
| 124 | SOC_ENUM("Equaliser EQ4 Bandwith", wm8974_enum[9]), |
| 125 | SOC_ENUM("EQ4 Cut Off", wm8974_enum[10]), |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 126 | SOC_SINGLE_TLV("EQ4 Volume", WM8974_EQ4, 0, 24, 1, eq_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 127 | |
| 128 | SOC_ENUM("Equaliser EQ5 Bandwith", wm8974_enum[11]), |
| 129 | SOC_ENUM("EQ5 Cut Off", wm8974_enum[12]), |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 130 | SOC_SINGLE_TLV("EQ5 Volume", WM8974_EQ5, 0, 24, 1, eq_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 131 | |
| 132 | SOC_SINGLE("DAC Playback Limiter Switch", WM8974_DACLIM1, 8, 1, 0), |
| 133 | SOC_SINGLE("DAC Playback Limiter Decay", WM8974_DACLIM1, 4, 15, 0), |
| 134 | SOC_SINGLE("DAC Playback Limiter Attack", WM8974_DACLIM1, 0, 15, 0), |
| 135 | |
| 136 | SOC_SINGLE("DAC Playback Limiter Threshold", WM8974_DACLIM2, 4, 7, 0), |
| 137 | SOC_SINGLE("DAC Playback Limiter Boost", WM8974_DACLIM2, 0, 15, 0), |
| 138 | |
| 139 | SOC_SINGLE("ALC Enable Switch", WM8974_ALC1, 8, 1, 0), |
| 140 | SOC_SINGLE("ALC Capture Max Gain", WM8974_ALC1, 3, 7, 0), |
| 141 | SOC_SINGLE("ALC Capture Min Gain", WM8974_ALC1, 0, 7, 0), |
| 142 | |
| 143 | SOC_SINGLE("ALC Capture ZC Switch", WM8974_ALC2, 8, 1, 0), |
| 144 | SOC_SINGLE("ALC Capture Hold", WM8974_ALC2, 4, 7, 0), |
| 145 | SOC_SINGLE("ALC Capture Target", WM8974_ALC2, 0, 15, 0), |
| 146 | |
| 147 | SOC_ENUM("ALC Capture Mode", wm8974_enum[13]), |
| 148 | SOC_SINGLE("ALC Capture Decay", WM8974_ALC3, 4, 15, 0), |
| 149 | SOC_SINGLE("ALC Capture Attack", WM8974_ALC3, 0, 15, 0), |
| 150 | |
| 151 | SOC_SINGLE("ALC Capture Noise Gate Switch", WM8974_NGATE, 3, 1, 0), |
| 152 | SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8974_NGATE, 0, 7, 0), |
| 153 | |
| 154 | SOC_SINGLE("Capture PGA ZC Switch", WM8974_INPPGA, 7, 1, 0), |
Mark Brown | a5f8d2f | 2009-06-30 19:30:33 +0100 | [diff] [blame] | 155 | SOC_SINGLE_TLV("Capture PGA Volume", WM8974_INPPGA, 0, 63, 0, inpga_tlv), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 156 | |
| 157 | SOC_SINGLE("Speaker Playback ZC Switch", WM8974_SPKVOL, 7, 1, 0), |
| 158 | SOC_SINGLE("Speaker Playback Switch", WM8974_SPKVOL, 6, 1, 1), |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 159 | SOC_SINGLE_TLV("Speaker Playback Volume", WM8974_SPKVOL, 0, 63, 0, spk_tlv), |
| 160 | |
| 161 | SOC_ENUM("Aux Mode", wm8974_auxmode), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 162 | |
| 163 | SOC_SINGLE("Capture Boost(+20dB)", WM8974_ADCBOOST, 8, 1, 0), |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 164 | SOC_SINGLE("Mono Playback Switch", WM8974_MONOMIX, 6, 1, 1), |
Guennadi Liakhovetski | b2c3e92 | 2010-01-29 15:31:06 +0100 | [diff] [blame] | 165 | |
| 166 | /* DAC / ADC oversampling */ |
| 167 | SOC_SINGLE("DAC 128x Oversampling Switch", WM8974_DAC, 8, 1, 0), |
| 168 | SOC_SINGLE("ADC 128x Oversampling Switch", WM8974_ADC, 8, 1, 0), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 169 | }; |
| 170 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 171 | /* Speaker Output Mixer */ |
| 172 | static const struct snd_kcontrol_new wm8974_speaker_mixer_controls[] = { |
| 173 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8974_SPKMIX, 1, 1, 0), |
| 174 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8974_SPKMIX, 5, 1, 0), |
Mark Brown | 759512f | 2010-04-23 17:39:23 +0100 | [diff] [blame] | 175 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8974_SPKMIX, 0, 1, 0), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 176 | }; |
| 177 | |
| 178 | /* Mono Output Mixer */ |
| 179 | static const struct snd_kcontrol_new wm8974_mono_mixer_controls[] = { |
| 180 | SOC_DAPM_SINGLE("Line Bypass Switch", WM8974_MONOMIX, 1, 1, 0), |
| 181 | SOC_DAPM_SINGLE("Aux Playback Switch", WM8974_MONOMIX, 2, 1, 0), |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 182 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8974_MONOMIX, 0, 1, 0), |
| 183 | }; |
| 184 | |
| 185 | /* Boost mixer */ |
| 186 | static const struct snd_kcontrol_new wm8974_boost_mixer[] = { |
| 187 | SOC_DAPM_SINGLE("Aux Switch", WM8974_INPPGA, 6, 1, 0), |
| 188 | }; |
| 189 | |
| 190 | /* Input PGA */ |
| 191 | static const struct snd_kcontrol_new wm8974_inpga[] = { |
| 192 | SOC_DAPM_SINGLE("Aux Switch", WM8974_INPUT, 2, 1, 0), |
| 193 | SOC_DAPM_SINGLE("MicN Switch", WM8974_INPUT, 1, 1, 0), |
| 194 | SOC_DAPM_SINGLE("MicP Switch", WM8974_INPUT, 0, 1, 0), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 195 | }; |
| 196 | |
| 197 | /* AUX Input boost vol */ |
| 198 | static const struct snd_kcontrol_new wm8974_aux_boost_controls = |
| 199 | SOC_DAPM_SINGLE("Aux Volume", WM8974_ADCBOOST, 0, 7, 0); |
| 200 | |
| 201 | /* Mic Input boost vol */ |
| 202 | static const struct snd_kcontrol_new wm8974_mic_boost_controls = |
| 203 | SOC_DAPM_SINGLE("Mic Volume", WM8974_ADCBOOST, 4, 7, 0); |
| 204 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 205 | static const struct snd_soc_dapm_widget wm8974_dapm_widgets[] = { |
| 206 | SND_SOC_DAPM_MIXER("Speaker Mixer", WM8974_POWER3, 2, 0, |
| 207 | &wm8974_speaker_mixer_controls[0], |
| 208 | ARRAY_SIZE(wm8974_speaker_mixer_controls)), |
| 209 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8974_POWER3, 3, 0, |
| 210 | &wm8974_mono_mixer_controls[0], |
| 211 | ARRAY_SIZE(wm8974_mono_mixer_controls)), |
| 212 | SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8974_POWER3, 0, 0), |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 213 | SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8974_POWER2, 0, 0), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 214 | SND_SOC_DAPM_PGA("Aux Input", WM8974_POWER1, 6, 0, NULL, 0), |
| 215 | SND_SOC_DAPM_PGA("SpkN Out", WM8974_POWER3, 5, 0, NULL, 0), |
| 216 | SND_SOC_DAPM_PGA("SpkP Out", WM8974_POWER3, 6, 0, NULL, 0), |
| 217 | SND_SOC_DAPM_PGA("Mono Out", WM8974_POWER3, 7, 0, NULL, 0), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 218 | |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 219 | SND_SOC_DAPM_MIXER("Input PGA", WM8974_POWER2, 2, 0, wm8974_inpga, |
| 220 | ARRAY_SIZE(wm8974_inpga)), |
| 221 | SND_SOC_DAPM_MIXER("Boost Mixer", WM8974_POWER2, 4, 0, |
| 222 | wm8974_boost_mixer, ARRAY_SIZE(wm8974_boost_mixer)), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 223 | |
Mark Brown | 48dd231 | 2011-10-27 09:47:09 +0200 | [diff] [blame] | 224 | SND_SOC_DAPM_SUPPLY("Mic Bias", WM8974_POWER1, 4, 0, NULL, 0), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 225 | |
| 226 | SND_SOC_DAPM_INPUT("MICN"), |
| 227 | SND_SOC_DAPM_INPUT("MICP"), |
| 228 | SND_SOC_DAPM_INPUT("AUX"), |
| 229 | SND_SOC_DAPM_OUTPUT("MONOOUT"), |
| 230 | SND_SOC_DAPM_OUTPUT("SPKOUTP"), |
| 231 | SND_SOC_DAPM_OUTPUT("SPKOUTN"), |
| 232 | }; |
| 233 | |
Mark Brown | a2bd691 | 2011-12-29 11:10:27 +0000 | [diff] [blame] | 234 | static const struct snd_soc_dapm_route wm8974_dapm_routes[] = { |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 235 | /* Mono output mixer */ |
| 236 | {"Mono Mixer", "PCM Playback Switch", "DAC"}, |
| 237 | {"Mono Mixer", "Aux Playback Switch", "Aux Input"}, |
| 238 | {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"}, |
| 239 | |
| 240 | /* Speaker output mixer */ |
| 241 | {"Speaker Mixer", "PCM Playback Switch", "DAC"}, |
| 242 | {"Speaker Mixer", "Aux Playback Switch", "Aux Input"}, |
| 243 | {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"}, |
| 244 | |
| 245 | /* Outputs */ |
| 246 | {"Mono Out", NULL, "Mono Mixer"}, |
| 247 | {"MONOOUT", NULL, "Mono Out"}, |
| 248 | {"SpkN Out", NULL, "Speaker Mixer"}, |
| 249 | {"SpkP Out", NULL, "Speaker Mixer"}, |
| 250 | {"SPKOUTN", NULL, "SpkN Out"}, |
| 251 | {"SPKOUTP", NULL, "SpkP Out"}, |
| 252 | |
| 253 | /* Boost Mixer */ |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 254 | {"ADC", NULL, "Boost Mixer"}, |
| 255 | {"Boost Mixer", "Aux Switch", "Aux Input"}, |
| 256 | {"Boost Mixer", NULL, "Input PGA"}, |
| 257 | {"Boost Mixer", NULL, "MICP"}, |
| 258 | |
| 259 | /* Input PGA */ |
| 260 | {"Input PGA", "Aux Switch", "Aux Input"}, |
| 261 | {"Input PGA", "MicN Switch", "MICN"}, |
| 262 | {"Input PGA", "MicP Switch", "MICP"}, |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 263 | |
| 264 | /* Inputs */ |
Mark Brown | 8a123ee | 2009-06-30 21:10:34 +0100 | [diff] [blame] | 265 | {"Aux Input", NULL, "AUX"}, |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 266 | }; |
| 267 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 268 | struct pll_ { |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 269 | unsigned int pre_div:1; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 270 | unsigned int n:4; |
| 271 | unsigned int k; |
| 272 | }; |
| 273 | |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 274 | /* The size in bits of the pll divide multiplied by 10 |
| 275 | * to allow rounding later */ |
| 276 | #define FIXED_PLL_SIZE ((1 << 24) * 10) |
| 277 | |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 278 | static void pll_factors(struct pll_ *pll_div, |
| 279 | unsigned int target, unsigned int source) |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 280 | { |
| 281 | unsigned long long Kpart; |
| 282 | unsigned int K, Ndiv, Nmod; |
| 283 | |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 284 | /* There is a fixed divide by 4 in the output path */ |
| 285 | target *= 4; |
| 286 | |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 287 | Ndiv = target / source; |
| 288 | if (Ndiv < 6) { |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 289 | source /= 2; |
| 290 | pll_div->pre_div = 1; |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 291 | Ndiv = target / source; |
| 292 | } else |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 293 | pll_div->pre_div = 0; |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 294 | |
| 295 | if ((Ndiv < 6) || (Ndiv > 12)) |
| 296 | printk(KERN_WARNING |
Mark Brown | 8b83a19 | 2009-06-30 19:37:02 +0100 | [diff] [blame] | 297 | "WM8974 N value %u outwith recommended range!\n", |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 298 | Ndiv); |
| 299 | |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 300 | pll_div->n = Ndiv; |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 301 | Nmod = target % source; |
| 302 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; |
| 303 | |
| 304 | do_div(Kpart, source); |
| 305 | |
| 306 | K = Kpart & 0xFFFFFFFF; |
| 307 | |
| 308 | /* Check if we need to round */ |
| 309 | if ((K % 10) >= 5) |
| 310 | K += 5; |
| 311 | |
| 312 | /* Move down to proper range now rounding is done */ |
| 313 | K /= 10; |
| 314 | |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 315 | pll_div->k = K; |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 316 | } |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 317 | |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 318 | static int wm8974_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
| 319 | int source, unsigned int freq_in, unsigned int freq_out) |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 320 | { |
| 321 | struct snd_soc_codec *codec = codec_dai->codec; |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 322 | struct pll_ pll_div; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 323 | u16 reg; |
| 324 | |
Mark Brown | 1a55b3f | 2009-05-23 11:31:40 +0100 | [diff] [blame] | 325 | if (freq_in == 0 || freq_out == 0) { |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 326 | /* Clock CODEC directly from MCLK */ |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 327 | reg = snd_soc_read(codec, WM8974_CLOCK); |
| 328 | snd_soc_write(codec, WM8974_CLOCK, reg & 0x0ff); |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 329 | |
| 330 | /* Turn off PLL */ |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 331 | reg = snd_soc_read(codec, WM8974_POWER1); |
| 332 | snd_soc_write(codec, WM8974_POWER1, reg & 0x1df); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 333 | return 0; |
| 334 | } |
| 335 | |
Mark Brown | c36b2fc | 2009-09-30 14:31:38 +0100 | [diff] [blame] | 336 | pll_factors(&pll_div, freq_out, freq_in); |
Mark Brown | 1a55b3f | 2009-05-23 11:31:40 +0100 | [diff] [blame] | 337 | |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 338 | snd_soc_write(codec, WM8974_PLLN, (pll_div.pre_div << 4) | pll_div.n); |
| 339 | snd_soc_write(codec, WM8974_PLLK1, pll_div.k >> 18); |
| 340 | snd_soc_write(codec, WM8974_PLLK2, (pll_div.k >> 9) & 0x1ff); |
| 341 | snd_soc_write(codec, WM8974_PLLK3, pll_div.k & 0x1ff); |
| 342 | reg = snd_soc_read(codec, WM8974_POWER1); |
| 343 | snd_soc_write(codec, WM8974_POWER1, reg | 0x020); |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 344 | |
| 345 | /* Run CODEC from PLL instead of MCLK */ |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 346 | reg = snd_soc_read(codec, WM8974_CLOCK); |
| 347 | snd_soc_write(codec, WM8974_CLOCK, reg | 0x100); |
Mark Brown | 91d0c3e | 2009-06-30 19:02:32 +0100 | [diff] [blame] | 348 | |
| 349 | return 0; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | /* |
| 353 | * Configure WM8974 clock dividers. |
| 354 | */ |
| 355 | static int wm8974_set_dai_clkdiv(struct snd_soc_dai *codec_dai, |
| 356 | int div_id, int div) |
| 357 | { |
| 358 | struct snd_soc_codec *codec = codec_dai->codec; |
| 359 | u16 reg; |
| 360 | |
| 361 | switch (div_id) { |
| 362 | case WM8974_OPCLKDIV: |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 363 | reg = snd_soc_read(codec, WM8974_GPIO) & 0x1cf; |
| 364 | snd_soc_write(codec, WM8974_GPIO, reg | div); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 365 | break; |
| 366 | case WM8974_MCLKDIV: |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 367 | reg = snd_soc_read(codec, WM8974_CLOCK) & 0x11f; |
| 368 | snd_soc_write(codec, WM8974_CLOCK, reg | div); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 369 | break; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 370 | case WM8974_BCLKDIV: |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 371 | reg = snd_soc_read(codec, WM8974_CLOCK) & 0x1e3; |
| 372 | snd_soc_write(codec, WM8974_CLOCK, reg | div); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 373 | break; |
| 374 | default: |
| 375 | return -EINVAL; |
| 376 | } |
| 377 | |
| 378 | return 0; |
| 379 | } |
| 380 | |
| 381 | static int wm8974_set_dai_fmt(struct snd_soc_dai *codec_dai, |
| 382 | unsigned int fmt) |
| 383 | { |
| 384 | struct snd_soc_codec *codec = codec_dai->codec; |
| 385 | u16 iface = 0; |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 386 | u16 clk = snd_soc_read(codec, WM8974_CLOCK) & 0x1fe; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 387 | |
| 388 | /* set master/slave audio interface */ |
| 389 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 390 | case SND_SOC_DAIFMT_CBM_CFM: |
| 391 | clk |= 0x0001; |
| 392 | break; |
| 393 | case SND_SOC_DAIFMT_CBS_CFS: |
| 394 | break; |
| 395 | default: |
| 396 | return -EINVAL; |
| 397 | } |
| 398 | |
| 399 | /* interface format */ |
| 400 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 401 | case SND_SOC_DAIFMT_I2S: |
| 402 | iface |= 0x0010; |
| 403 | break; |
| 404 | case SND_SOC_DAIFMT_RIGHT_J: |
| 405 | break; |
| 406 | case SND_SOC_DAIFMT_LEFT_J: |
| 407 | iface |= 0x0008; |
| 408 | break; |
| 409 | case SND_SOC_DAIFMT_DSP_A: |
| 410 | iface |= 0x00018; |
| 411 | break; |
| 412 | default: |
| 413 | return -EINVAL; |
| 414 | } |
| 415 | |
| 416 | /* clock inversion */ |
| 417 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 418 | case SND_SOC_DAIFMT_NB_NF: |
| 419 | break; |
| 420 | case SND_SOC_DAIFMT_IB_IF: |
| 421 | iface |= 0x0180; |
| 422 | break; |
| 423 | case SND_SOC_DAIFMT_IB_NF: |
| 424 | iface |= 0x0100; |
| 425 | break; |
| 426 | case SND_SOC_DAIFMT_NB_IF: |
| 427 | iface |= 0x0080; |
| 428 | break; |
| 429 | default: |
| 430 | return -EINVAL; |
| 431 | } |
| 432 | |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 433 | snd_soc_write(codec, WM8974_IFACE, iface); |
| 434 | snd_soc_write(codec, WM8974_CLOCK, clk); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 435 | return 0; |
| 436 | } |
| 437 | |
| 438 | static int wm8974_pcm_hw_params(struct snd_pcm_substream *substream, |
| 439 | struct snd_pcm_hw_params *params, |
| 440 | struct snd_soc_dai *dai) |
| 441 | { |
| 442 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 443 | u16 iface = snd_soc_read(codec, WM8974_IFACE) & 0x19f; |
| 444 | u16 adn = snd_soc_read(codec, WM8974_ADD) & 0x1f1; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 445 | |
| 446 | /* bit size */ |
| 447 | switch (params_format(params)) { |
| 448 | case SNDRV_PCM_FORMAT_S16_LE: |
| 449 | break; |
| 450 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 451 | iface |= 0x0020; |
| 452 | break; |
| 453 | case SNDRV_PCM_FORMAT_S24_LE: |
| 454 | iface |= 0x0040; |
| 455 | break; |
| 456 | case SNDRV_PCM_FORMAT_S32_LE: |
| 457 | iface |= 0x0060; |
| 458 | break; |
| 459 | } |
| 460 | |
| 461 | /* filter coefficient */ |
| 462 | switch (params_rate(params)) { |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 463 | case 8000: |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 464 | adn |= 0x5 << 1; |
| 465 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 466 | case 11025: |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 467 | adn |= 0x4 << 1; |
| 468 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 469 | case 16000: |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 470 | adn |= 0x3 << 1; |
| 471 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 472 | case 22050: |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 473 | adn |= 0x2 << 1; |
| 474 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 475 | case 32000: |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 476 | adn |= 0x1 << 1; |
| 477 | break; |
Guennadi Liakhovetski | b3172f2 | 2009-12-24 01:13:51 +0100 | [diff] [blame] | 478 | case 44100: |
| 479 | case 48000: |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 480 | break; |
| 481 | } |
| 482 | |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 483 | snd_soc_write(codec, WM8974_IFACE, iface); |
| 484 | snd_soc_write(codec, WM8974_ADD, adn); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 485 | return 0; |
| 486 | } |
| 487 | |
| 488 | static int wm8974_mute(struct snd_soc_dai *dai, int mute) |
| 489 | { |
| 490 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 491 | u16 mute_reg = snd_soc_read(codec, WM8974_DAC) & 0xffbf; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 492 | |
Mark Brown | 1a55b3f | 2009-05-23 11:31:40 +0100 | [diff] [blame] | 493 | if (mute) |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 494 | snd_soc_write(codec, WM8974_DAC, mute_reg | 0x40); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 495 | else |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 496 | snd_soc_write(codec, WM8974_DAC, mute_reg); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 497 | return 0; |
| 498 | } |
| 499 | |
| 500 | /* liam need to make this lower power with dapm */ |
| 501 | static int wm8974_set_bias_level(struct snd_soc_codec *codec, |
| 502 | enum snd_soc_bias_level level) |
| 503 | { |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 504 | u16 power1 = snd_soc_read(codec, WM8974_POWER1) & ~0x3; |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 505 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 506 | switch (level) { |
| 507 | case SND_SOC_BIAS_ON: |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 508 | case SND_SOC_BIAS_PREPARE: |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 509 | power1 |= 0x1; /* VMID 50k */ |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 510 | snd_soc_write(codec, WM8974_POWER1, power1); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 511 | break; |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 512 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 513 | case SND_SOC_BIAS_STANDBY: |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 514 | power1 |= WM8974_POWER1_BIASEN | WM8974_POWER1_BUFIOEN; |
| 515 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 516 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
Axel Lin | 0bad3d8 | 2011-10-07 21:52:42 +0800 | [diff] [blame] | 517 | snd_soc_cache_sync(codec); |
| 518 | |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 519 | /* Initial cap charge at VMID 5k */ |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 520 | snd_soc_write(codec, WM8974_POWER1, power1 | 0x3); |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 521 | mdelay(100); |
| 522 | } |
| 523 | |
| 524 | power1 |= 0x2; /* VMID 500k */ |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 525 | snd_soc_write(codec, WM8974_POWER1, power1); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 526 | break; |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 527 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 528 | case SND_SOC_BIAS_OFF: |
Mark Brown | 1e97f50 | 2009-08-15 12:15:10 +0100 | [diff] [blame] | 529 | snd_soc_write(codec, WM8974_POWER1, 0); |
| 530 | snd_soc_write(codec, WM8974_POWER2, 0); |
| 531 | snd_soc_write(codec, WM8974_POWER3, 0); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 532 | break; |
| 533 | } |
Mark Brown | df1ef7a | 2009-06-30 19:01:09 +0100 | [diff] [blame] | 534 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 535 | codec->dapm.bias_level = level; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 536 | return 0; |
| 537 | } |
| 538 | |
Mark Brown | 1a55b3f | 2009-05-23 11:31:40 +0100 | [diff] [blame] | 539 | #define WM8974_RATES (SNDRV_PCM_RATE_8000_48000) |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 540 | |
| 541 | #define WM8974_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 542 | SNDRV_PCM_FMTBIT_S24_LE) |
| 543 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 544 | static const struct snd_soc_dai_ops wm8974_ops = { |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 545 | .hw_params = wm8974_pcm_hw_params, |
| 546 | .digital_mute = wm8974_mute, |
| 547 | .set_fmt = wm8974_set_dai_fmt, |
| 548 | .set_clkdiv = wm8974_set_dai_clkdiv, |
| 549 | .set_pll = wm8974_set_dai_pll, |
| 550 | }; |
| 551 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 552 | static struct snd_soc_dai_driver wm8974_dai = { |
| 553 | .name = "wm8974-hifi", |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 554 | .playback = { |
| 555 | .stream_name = "Playback", |
| 556 | .channels_min = 1, |
Mark Brown | 33d81af | 2009-06-30 19:01:52 +0100 | [diff] [blame] | 557 | .channels_max = 2, /* Only 1 channel of data */ |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 558 | .rates = WM8974_RATES, |
| 559 | .formats = WM8974_FORMATS,}, |
| 560 | .capture = { |
| 561 | .stream_name = "Capture", |
| 562 | .channels_min = 1, |
Mark Brown | 33d81af | 2009-06-30 19:01:52 +0100 | [diff] [blame] | 563 | .channels_max = 2, /* Only 1 channel of data */ |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 564 | .rates = WM8974_RATES, |
| 565 | .formats = WM8974_FORMATS,}, |
| 566 | .ops = &wm8974_ops, |
Mark Brown | cb11d39 | 2009-06-30 19:36:39 +0100 | [diff] [blame] | 567 | .symmetric_rates = 1, |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 568 | }; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 569 | |
Lars-Peter Clausen | 84b315e | 2011-12-02 10:18:28 +0100 | [diff] [blame] | 570 | static int wm8974_suspend(struct snd_soc_codec *codec) |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 571 | { |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 572 | wm8974_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 573 | return 0; |
| 574 | } |
| 575 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 576 | static int wm8974_resume(struct snd_soc_codec *codec) |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 577 | { |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 578 | wm8974_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 579 | return 0; |
| 580 | } |
| 581 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 582 | static int wm8974_probe(struct snd_soc_codec *codec) |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 583 | { |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 584 | int ret = 0; |
| 585 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 586 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_I2C); |
Mark Brown | 1a55b3f | 2009-05-23 11:31:40 +0100 | [diff] [blame] | 587 | if (ret < 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 588 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); |
| 589 | return ret; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 590 | } |
| 591 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 592 | ret = wm8974_reset(codec); |
| 593 | if (ret < 0) { |
| 594 | dev_err(codec->dev, "Failed to issue reset\n"); |
| 595 | return ret; |
| 596 | } |
| 597 | |
| 598 | wm8974_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Mark Brown | 4fcbbb6 | 2009-05-23 12:27:03 +0100 | [diff] [blame] | 599 | |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 600 | return ret; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | /* power down chip */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 604 | static int wm8974_remove(struct snd_soc_codec *codec) |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 605 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 606 | wm8974_set_bias_level(codec, SND_SOC_BIAS_OFF); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 607 | return 0; |
| 608 | } |
| 609 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 610 | static struct snd_soc_codec_driver soc_codec_dev_wm8974 = { |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 611 | .probe = wm8974_probe, |
| 612 | .remove = wm8974_remove, |
| 613 | .suspend = wm8974_suspend, |
| 614 | .resume = wm8974_resume, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 615 | .set_bias_level = wm8974_set_bias_level, |
| 616 | .reg_cache_size = ARRAY_SIZE(wm8974_reg), |
| 617 | .reg_word_size = sizeof(u16), |
| 618 | .reg_cache_default = wm8974_reg, |
Mark Brown | a2bd691 | 2011-12-29 11:10:27 +0000 | [diff] [blame] | 619 | |
| 620 | .controls = wm8974_snd_controls, |
| 621 | .num_controls = ARRAY_SIZE(wm8974_snd_controls), |
| 622 | .dapm_widgets = wm8974_dapm_widgets, |
| 623 | .num_dapm_widgets = ARRAY_SIZE(wm8974_dapm_widgets), |
| 624 | .dapm_routes = wm8974_dapm_routes, |
| 625 | .num_dapm_routes = ARRAY_SIZE(wm8974_dapm_routes), |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 626 | }; |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 627 | |
Mark Brown | 4fcbbb6 | 2009-05-23 12:27:03 +0100 | [diff] [blame] | 628 | static __devinit int wm8974_i2c_probe(struct i2c_client *i2c, |
| 629 | const struct i2c_device_id *id) |
| 630 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 631 | int ret; |
Mark Brown | 4fcbbb6 | 2009-05-23 12:27:03 +0100 | [diff] [blame] | 632 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 633 | ret = snd_soc_register_codec(&i2c->dev, |
| 634 | &soc_codec_dev_wm8974, &wm8974_dai, 1); |
Mark Brown | c2562a8 | 2011-12-29 11:11:25 +0000 | [diff] [blame] | 635 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 636 | return ret; |
Mark Brown | 4fcbbb6 | 2009-05-23 12:27:03 +0100 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | static __devexit int wm8974_i2c_remove(struct i2c_client *client) |
| 640 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 641 | snd_soc_unregister_codec(&client->dev); |
Mark Brown | c2562a8 | 2011-12-29 11:11:25 +0000 | [diff] [blame] | 642 | |
Mark Brown | 4fcbbb6 | 2009-05-23 12:27:03 +0100 | [diff] [blame] | 643 | return 0; |
| 644 | } |
| 645 | |
| 646 | static const struct i2c_device_id wm8974_i2c_id[] = { |
| 647 | { "wm8974", 0 }, |
| 648 | { } |
| 649 | }; |
| 650 | MODULE_DEVICE_TABLE(i2c, wm8974_i2c_id); |
| 651 | |
| 652 | static struct i2c_driver wm8974_i2c_driver = { |
| 653 | .driver = { |
Mark Brown | 091edcc | 2011-12-02 22:08:49 +0000 | [diff] [blame] | 654 | .name = "wm8974", |
Mark Brown | 4fcbbb6 | 2009-05-23 12:27:03 +0100 | [diff] [blame] | 655 | .owner = THIS_MODULE, |
| 656 | }, |
| 657 | .probe = wm8974_i2c_probe, |
| 658 | .remove = __devexit_p(wm8974_i2c_remove), |
| 659 | .id_table = wm8974_i2c_id, |
| 660 | }; |
| 661 | |
Sachin Kamat | 2be5941 | 2012-08-06 17:25:59 +0530 | [diff] [blame^] | 662 | module_i2c_driver(wm8974_i2c_driver); |
Mark Brown | 0a1bf55 | 2009-05-23 11:18:41 +0100 | [diff] [blame] | 663 | |
| 664 | MODULE_DESCRIPTION("ASoC WM8974 driver"); |
| 665 | MODULE_AUTHOR("Liam Girdwood"); |
| 666 | MODULE_LICENSE("GPL"); |