Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 1 | /* |
| 2 | * wm8750.c -- WM8750 ALSA SoC audio driver |
| 3 | * |
| 4 | * Copyright 2005 Openedhand Ltd. |
| 5 | * |
| 6 | * Author: Richard Purdie <richard@openedhand.com> |
| 7 | * |
| 8 | * Based on WM8753.c |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/moduleparam.h> |
| 17 | #include <linux/init.h> |
| 18 | #include <linux/delay.h> |
| 19 | #include <linux/pm.h> |
| 20 | #include <linux/i2c.h> |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 21 | #include <linux/regmap.h> |
Mark Brown | 2f3dfaf | 2008-09-16 12:51:26 +0100 | [diff] [blame] | 22 | #include <linux/spi/spi.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 23 | #include <linux/slab.h> |
Mark Brown | ce31a0f | 2011-08-03 17:34:59 +0900 | [diff] [blame] | 24 | #include <linux/of_device.h> |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 25 | #include <sound/core.h> |
| 26 | #include <sound/pcm.h> |
| 27 | #include <sound/pcm_params.h> |
| 28 | #include <sound/soc.h> |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 29 | #include <sound/initval.h> |
| 30 | |
| 31 | #include "wm8750.h" |
| 32 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 33 | /* |
| 34 | * wm8750 register cache |
| 35 | * We can't read the WM8750 register space when we |
| 36 | * are using 2 wire for device control, so we cache them instead. |
| 37 | */ |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 38 | static const struct reg_default wm8750_reg_defaults[] = { |
| 39 | { 0, 0x0097 }, |
| 40 | { 1, 0x0097 }, |
| 41 | { 2, 0x0079 }, |
| 42 | { 3, 0x0079 }, |
| 43 | { 4, 0x0000 }, |
| 44 | { 5, 0x0008 }, |
| 45 | { 6, 0x0000 }, |
| 46 | { 7, 0x000a }, |
| 47 | { 8, 0x0000 }, |
| 48 | { 9, 0x0000 }, |
| 49 | { 10, 0x00ff }, |
| 50 | { 11, 0x00ff }, |
| 51 | { 12, 0x000f }, |
| 52 | { 13, 0x000f }, |
| 53 | { 14, 0x0000 }, |
| 54 | { 15, 0x0000 }, |
| 55 | { 16, 0x0000 }, |
| 56 | { 17, 0x007b }, |
| 57 | { 18, 0x0000 }, |
| 58 | { 19, 0x0032 }, |
| 59 | { 20, 0x0000 }, |
| 60 | { 21, 0x00c3 }, |
| 61 | { 22, 0x00c3 }, |
| 62 | { 23, 0x00c0 }, |
| 63 | { 24, 0x0000 }, |
| 64 | { 25, 0x0000 }, |
| 65 | { 26, 0x0000 }, |
| 66 | { 27, 0x0000 }, |
| 67 | { 28, 0x0000 }, |
| 68 | { 29, 0x0000 }, |
| 69 | { 30, 0x0000 }, |
| 70 | { 31, 0x0000 }, |
| 71 | { 32, 0x0000 }, |
| 72 | { 33, 0x0000 }, |
| 73 | { 34, 0x0050 }, |
| 74 | { 35, 0x0050 }, |
| 75 | { 36, 0x0050 }, |
| 76 | { 37, 0x0050 }, |
| 77 | { 38, 0x0050 }, |
| 78 | { 39, 0x0050 }, |
| 79 | { 40, 0x0079 }, |
| 80 | { 41, 0x0079 }, |
| 81 | { 42, 0x0079 }, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 82 | }; |
| 83 | |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 84 | /* codec private data */ |
| 85 | struct wm8750_priv { |
| 86 | unsigned int sysclk; |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 87 | }; |
| 88 | |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 89 | #define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 90 | |
| 91 | /* |
| 92 | * WM8750 Controls |
| 93 | */ |
| 94 | static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"}; |
| 95 | static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" }; |
| 96 | static const char *wm8750_treble[] = {"8kHz", "4kHz"}; |
| 97 | static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"}; |
| 98 | static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"}; |
| 99 | static const char *wm8750_3d_func[] = {"Capture", "Playback"}; |
| 100 | static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"}; |
| 101 | static const char *wm8750_ng_type[] = {"Constant PGA Gain", |
| 102 | "Mute ADC Output"}; |
| 103 | static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA", |
| 104 | "Differential"}; |
| 105 | static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3", |
| 106 | "Differential"}; |
| 107 | static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut", |
| 108 | "ROUT1"}; |
| 109 | static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"}; |
| 110 | static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert", |
| 111 | "L + R Invert"}; |
| 112 | static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; |
| 113 | static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)", |
| 114 | "Mono (Right)", "Digital Mono"}; |
| 115 | |
| 116 | static const struct soc_enum wm8750_enum[] = { |
| 117 | SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass), |
| 118 | SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter), |
| 119 | SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble), |
| 120 | SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc), |
| 121 | SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc), |
| 122 | SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func), |
| 123 | SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func), |
| 124 | SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type), |
| 125 | SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux), |
| 126 | SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux), |
| 127 | SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel), /* 10 */ |
| 128 | SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel), |
| 129 | SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3), |
| 130 | SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel), |
| 131 | SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol), |
| 132 | SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph), |
| 133 | SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux), /* 16 */ |
| 134 | |
| 135 | }; |
| 136 | |
| 137 | static const struct snd_kcontrol_new wm8750_snd_controls[] = { |
| 138 | |
| 139 | SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0), |
| 140 | SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0), |
| 141 | SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1), |
| 142 | |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 143 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8750_LOUT1V, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 144 | WM8750_ROUT1V, 7, 1, 0), |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 145 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8750_LOUT2V, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 146 | WM8750_ROUT2V, 7, 1, 0), |
| 147 | |
| 148 | SOC_ENUM("Playback De-emphasis", wm8750_enum[15]), |
| 149 | |
| 150 | SOC_ENUM("Capture Polarity", wm8750_enum[14]), |
| 151 | SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0), |
| 152 | SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0), |
| 153 | |
| 154 | SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0), |
| 155 | |
| 156 | SOC_ENUM("Bass Boost", wm8750_enum[0]), |
| 157 | SOC_ENUM("Bass Filter", wm8750_enum[1]), |
| 158 | SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1), |
| 159 | |
Stanislav Brabec | 6a7b8cf | 2007-11-12 12:11:10 +0100 | [diff] [blame] | 160 | SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 1), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 161 | SOC_ENUM("Treble Cut-off", wm8750_enum[2]), |
| 162 | |
| 163 | SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0), |
| 164 | SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0), |
| 165 | SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]), |
| 166 | SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]), |
| 167 | SOC_ENUM("3D Mode", wm8750_enum[5]), |
| 168 | |
| 169 | SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0), |
| 170 | SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0), |
| 171 | SOC_ENUM("ALC Capture Function", wm8750_enum[6]), |
| 172 | SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0), |
| 173 | SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0), |
| 174 | SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0), |
| 175 | SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0), |
| 176 | SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0), |
| 177 | SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]), |
| 178 | SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0), |
| 179 | |
| 180 | SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0), |
| 181 | SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0), |
| 182 | |
| 183 | SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0), |
| 184 | SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0), |
| 185 | |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 186 | SOC_SINGLE("Right Speaker Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 187 | |
| 188 | /* Unimplemented */ |
| 189 | /* ADCDAC Bit 0 - ADCHPD */ |
| 190 | /* ADCDAC Bit 4 - HPOR */ |
| 191 | /* ADCTL1 Bit 2,3 - DATSEL */ |
| 192 | /* ADCTL1 Bit 4,5 - DMONOMIX */ |
| 193 | /* ADCTL1 Bit 6,7 - VSEL */ |
| 194 | /* ADCTL2 Bit 2 - LRCM */ |
| 195 | /* ADCTL2 Bit 3 - TRI */ |
| 196 | /* ADCTL3 Bit 5 - HPFLREN */ |
| 197 | /* ADCTL3 Bit 6 - VROI */ |
| 198 | /* ADCTL3 Bit 7,8 - ADCLRM */ |
| 199 | /* ADCIN Bit 4 - LDCM */ |
| 200 | /* ADCIN Bit 5 - RDCM */ |
| 201 | |
| 202 | SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0), |
| 203 | |
| 204 | SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1, |
| 205 | WM8750_LOUTM2, 4, 7, 1), |
| 206 | SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1, |
| 207 | WM8750_ROUTM2, 4, 7, 1), |
| 208 | SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1, |
| 209 | WM8750_MOUTM2, 4, 7, 1), |
| 210 | |
| 211 | SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0), |
| 212 | |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 213 | SOC_DOUBLE_R("Headphone Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V, |
| 214 | 0, 127, 0), |
| 215 | SOC_DOUBLE_R("Speaker Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V, |
| 216 | 0, 127, 0), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 217 | |
| 218 | SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0), |
| 219 | |
| 220 | }; |
| 221 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 222 | /* |
| 223 | * DAPM Controls |
| 224 | */ |
| 225 | |
| 226 | /* Left Mixer */ |
| 227 | static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = { |
| 228 | SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0), |
| 229 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0), |
| 230 | SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0), |
| 231 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0), |
| 232 | }; |
| 233 | |
| 234 | /* Right Mixer */ |
| 235 | static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = { |
| 236 | SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0), |
| 237 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0), |
| 238 | SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0), |
| 239 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0), |
| 240 | }; |
| 241 | |
| 242 | /* Mono Mixer */ |
| 243 | static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = { |
| 244 | SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0), |
| 245 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0), |
| 246 | SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0), |
| 247 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0), |
| 248 | }; |
| 249 | |
| 250 | /* Left Line Mux */ |
| 251 | static const struct snd_kcontrol_new wm8750_left_line_controls = |
| 252 | SOC_DAPM_ENUM("Route", wm8750_enum[8]); |
| 253 | |
| 254 | /* Right Line Mux */ |
| 255 | static const struct snd_kcontrol_new wm8750_right_line_controls = |
| 256 | SOC_DAPM_ENUM("Route", wm8750_enum[9]); |
| 257 | |
| 258 | /* Left PGA Mux */ |
| 259 | static const struct snd_kcontrol_new wm8750_left_pga_controls = |
| 260 | SOC_DAPM_ENUM("Route", wm8750_enum[10]); |
| 261 | |
| 262 | /* Right PGA Mux */ |
| 263 | static const struct snd_kcontrol_new wm8750_right_pga_controls = |
| 264 | SOC_DAPM_ENUM("Route", wm8750_enum[11]); |
| 265 | |
| 266 | /* Out 3 Mux */ |
| 267 | static const struct snd_kcontrol_new wm8750_out3_controls = |
| 268 | SOC_DAPM_ENUM("Route", wm8750_enum[12]); |
| 269 | |
| 270 | /* Differential Mux */ |
| 271 | static const struct snd_kcontrol_new wm8750_diffmux_controls = |
| 272 | SOC_DAPM_ENUM("Route", wm8750_enum[13]); |
| 273 | |
| 274 | /* Mono ADC Mux */ |
| 275 | static const struct snd_kcontrol_new wm8750_monomux_controls = |
| 276 | SOC_DAPM_ENUM("Route", wm8750_enum[16]); |
| 277 | |
| 278 | static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { |
| 279 | SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, |
| 280 | &wm8750_left_mixer_controls[0], |
| 281 | ARRAY_SIZE(wm8750_left_mixer_controls)), |
| 282 | SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, |
| 283 | &wm8750_right_mixer_controls[0], |
| 284 | ARRAY_SIZE(wm8750_right_mixer_controls)), |
| 285 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0, |
| 286 | &wm8750_mono_mixer_controls[0], |
| 287 | ARRAY_SIZE(wm8750_mono_mixer_controls)), |
| 288 | |
| 289 | SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0), |
| 290 | SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0), |
| 291 | SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0), |
| 292 | SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0), |
| 293 | SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0), |
| 294 | SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0), |
| 295 | |
| 296 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0), |
| 297 | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0), |
| 298 | SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0), |
| 299 | |
| 300 | SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0, |
| 301 | &wm8750_left_pga_controls), |
| 302 | SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0, |
| 303 | &wm8750_right_pga_controls), |
| 304 | SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, |
| 305 | &wm8750_left_line_controls), |
| 306 | SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, |
| 307 | &wm8750_right_line_controls), |
| 308 | |
| 309 | SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls), |
| 310 | SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0), |
| 311 | SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0), |
| 312 | |
| 313 | SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, |
| 314 | &wm8750_diffmux_controls), |
| 315 | SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, |
| 316 | &wm8750_monomux_controls), |
| 317 | SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, |
| 318 | &wm8750_monomux_controls), |
| 319 | |
| 320 | SND_SOC_DAPM_OUTPUT("LOUT1"), |
| 321 | SND_SOC_DAPM_OUTPUT("ROUT1"), |
| 322 | SND_SOC_DAPM_OUTPUT("LOUT2"), |
| 323 | SND_SOC_DAPM_OUTPUT("ROUT2"), |
Dmitry Baryshkov | 23ba79b | 2008-08-09 15:05:28 +0400 | [diff] [blame] | 324 | SND_SOC_DAPM_OUTPUT("MONO1"), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 325 | SND_SOC_DAPM_OUTPUT("OUT3"), |
Dmitry Baryshkov | 04489ee | 2008-08-12 02:45:31 +0400 | [diff] [blame] | 326 | SND_SOC_DAPM_OUTPUT("VREF"), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 327 | |
| 328 | SND_SOC_DAPM_INPUT("LINPUT1"), |
| 329 | SND_SOC_DAPM_INPUT("LINPUT2"), |
| 330 | SND_SOC_DAPM_INPUT("LINPUT3"), |
| 331 | SND_SOC_DAPM_INPUT("RINPUT1"), |
| 332 | SND_SOC_DAPM_INPUT("RINPUT2"), |
| 333 | SND_SOC_DAPM_INPUT("RINPUT3"), |
| 334 | }; |
| 335 | |
Mark Brown | 0f185e3 | 2011-12-03 17:21:43 +0000 | [diff] [blame] | 336 | static const struct snd_soc_dapm_route wm8750_dapm_routes[] = { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 337 | /* left mixer */ |
| 338 | {"Left Mixer", "Playback Switch", "Left DAC"}, |
| 339 | {"Left Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 340 | {"Left Mixer", "Right Playback Switch", "Right DAC"}, |
| 341 | {"Left Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 342 | |
| 343 | /* right mixer */ |
| 344 | {"Right Mixer", "Left Playback Switch", "Left DAC"}, |
| 345 | {"Right Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 346 | {"Right Mixer", "Playback Switch", "Right DAC"}, |
| 347 | {"Right Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 348 | |
| 349 | /* left out 1 */ |
| 350 | {"Left Out 1", NULL, "Left Mixer"}, |
| 351 | {"LOUT1", NULL, "Left Out 1"}, |
| 352 | |
| 353 | /* left out 2 */ |
| 354 | {"Left Out 2", NULL, "Left Mixer"}, |
| 355 | {"LOUT2", NULL, "Left Out 2"}, |
| 356 | |
| 357 | /* right out 1 */ |
| 358 | {"Right Out 1", NULL, "Right Mixer"}, |
| 359 | {"ROUT1", NULL, "Right Out 1"}, |
| 360 | |
| 361 | /* right out 2 */ |
| 362 | {"Right Out 2", NULL, "Right Mixer"}, |
| 363 | {"ROUT2", NULL, "Right Out 2"}, |
| 364 | |
| 365 | /* mono mixer */ |
| 366 | {"Mono Mixer", "Left Playback Switch", "Left DAC"}, |
| 367 | {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 368 | {"Mono Mixer", "Right Playback Switch", "Right DAC"}, |
| 369 | {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 370 | |
| 371 | /* mono out */ |
| 372 | {"Mono Out 1", NULL, "Mono Mixer"}, |
| 373 | {"MONO1", NULL, "Mono Out 1"}, |
| 374 | |
| 375 | /* out 3 */ |
| 376 | {"Out3 Mux", "VREF", "VREF"}, |
| 377 | {"Out3 Mux", "ROUT1 + Vol", "ROUT1"}, |
| 378 | {"Out3 Mux", "ROUT1", "Right Mixer"}, |
| 379 | {"Out3 Mux", "MonoOut", "MONO1"}, |
| 380 | {"Out 3", NULL, "Out3 Mux"}, |
| 381 | {"OUT3", NULL, "Out 3"}, |
| 382 | |
| 383 | /* Left Line Mux */ |
| 384 | {"Left Line Mux", "Line 1", "LINPUT1"}, |
| 385 | {"Left Line Mux", "Line 2", "LINPUT2"}, |
| 386 | {"Left Line Mux", "Line 3", "LINPUT3"}, |
| 387 | {"Left Line Mux", "PGA", "Left PGA Mux"}, |
| 388 | {"Left Line Mux", "Differential", "Differential Mux"}, |
| 389 | |
| 390 | /* Right Line Mux */ |
| 391 | {"Right Line Mux", "Line 1", "RINPUT1"}, |
| 392 | {"Right Line Mux", "Line 2", "RINPUT2"}, |
| 393 | {"Right Line Mux", "Line 3", "RINPUT3"}, |
| 394 | {"Right Line Mux", "PGA", "Right PGA Mux"}, |
| 395 | {"Right Line Mux", "Differential", "Differential Mux"}, |
| 396 | |
| 397 | /* Left PGA Mux */ |
| 398 | {"Left PGA Mux", "Line 1", "LINPUT1"}, |
| 399 | {"Left PGA Mux", "Line 2", "LINPUT2"}, |
| 400 | {"Left PGA Mux", "Line 3", "LINPUT3"}, |
| 401 | {"Left PGA Mux", "Differential", "Differential Mux"}, |
| 402 | |
| 403 | /* Right PGA Mux */ |
| 404 | {"Right PGA Mux", "Line 1", "RINPUT1"}, |
| 405 | {"Right PGA Mux", "Line 2", "RINPUT2"}, |
| 406 | {"Right PGA Mux", "Line 3", "RINPUT3"}, |
| 407 | {"Right PGA Mux", "Differential", "Differential Mux"}, |
| 408 | |
| 409 | /* Differential Mux */ |
| 410 | {"Differential Mux", "Line 1", "LINPUT1"}, |
| 411 | {"Differential Mux", "Line 1", "RINPUT1"}, |
| 412 | {"Differential Mux", "Line 2", "LINPUT2"}, |
| 413 | {"Differential Mux", "Line 2", "RINPUT2"}, |
| 414 | |
| 415 | /* Left ADC Mux */ |
| 416 | {"Left ADC Mux", "Stereo", "Left PGA Mux"}, |
| 417 | {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"}, |
| 418 | {"Left ADC Mux", "Digital Mono", "Left PGA Mux"}, |
| 419 | |
| 420 | /* Right ADC Mux */ |
| 421 | {"Right ADC Mux", "Stereo", "Right PGA Mux"}, |
| 422 | {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"}, |
| 423 | {"Right ADC Mux", "Digital Mono", "Right PGA Mux"}, |
| 424 | |
| 425 | /* ADC */ |
| 426 | {"Left ADC", NULL, "Left ADC Mux"}, |
| 427 | {"Right ADC", NULL, "Right ADC Mux"}, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 428 | }; |
| 429 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 430 | struct _coeff_div { |
| 431 | u32 mclk; |
| 432 | u32 rate; |
| 433 | u16 fs; |
| 434 | u8 sr:5; |
| 435 | u8 usb:1; |
| 436 | }; |
| 437 | |
| 438 | /* codec hifi mclk clock divider coefficients */ |
| 439 | static const struct _coeff_div coeff_div[] = { |
| 440 | /* 8k */ |
| 441 | {12288000, 8000, 1536, 0x6, 0x0}, |
| 442 | {11289600, 8000, 1408, 0x16, 0x0}, |
| 443 | {18432000, 8000, 2304, 0x7, 0x0}, |
| 444 | {16934400, 8000, 2112, 0x17, 0x0}, |
| 445 | {12000000, 8000, 1500, 0x6, 0x1}, |
| 446 | |
| 447 | /* 11.025k */ |
| 448 | {11289600, 11025, 1024, 0x18, 0x0}, |
| 449 | {16934400, 11025, 1536, 0x19, 0x0}, |
| 450 | {12000000, 11025, 1088, 0x19, 0x1}, |
| 451 | |
| 452 | /* 16k */ |
| 453 | {12288000, 16000, 768, 0xa, 0x0}, |
| 454 | {18432000, 16000, 1152, 0xb, 0x0}, |
| 455 | {12000000, 16000, 750, 0xa, 0x1}, |
| 456 | |
| 457 | /* 22.05k */ |
| 458 | {11289600, 22050, 512, 0x1a, 0x0}, |
| 459 | {16934400, 22050, 768, 0x1b, 0x0}, |
| 460 | {12000000, 22050, 544, 0x1b, 0x1}, |
| 461 | |
| 462 | /* 32k */ |
| 463 | {12288000, 32000, 384, 0xc, 0x0}, |
| 464 | {18432000, 32000, 576, 0xd, 0x0}, |
| 465 | {12000000, 32000, 375, 0xa, 0x1}, |
| 466 | |
| 467 | /* 44.1k */ |
| 468 | {11289600, 44100, 256, 0x10, 0x0}, |
| 469 | {16934400, 44100, 384, 0x11, 0x0}, |
| 470 | {12000000, 44100, 272, 0x11, 0x1}, |
| 471 | |
| 472 | /* 48k */ |
| 473 | {12288000, 48000, 256, 0x0, 0x0}, |
| 474 | {18432000, 48000, 384, 0x1, 0x0}, |
| 475 | {12000000, 48000, 250, 0x0, 0x1}, |
| 476 | |
| 477 | /* 88.2k */ |
| 478 | {11289600, 88200, 128, 0x1e, 0x0}, |
| 479 | {16934400, 88200, 192, 0x1f, 0x0}, |
| 480 | {12000000, 88200, 136, 0x1f, 0x1}, |
| 481 | |
| 482 | /* 96k */ |
| 483 | {12288000, 96000, 128, 0xe, 0x0}, |
| 484 | {18432000, 96000, 192, 0xf, 0x0}, |
| 485 | {12000000, 96000, 125, 0xe, 0x1}, |
| 486 | }; |
| 487 | |
| 488 | static inline int get_coeff(int mclk, int rate) |
| 489 | { |
| 490 | int i; |
| 491 | |
| 492 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { |
| 493 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) |
| 494 | return i; |
| 495 | } |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 496 | |
| 497 | printk(KERN_ERR "wm8750: could not get coeff for mclk %d @ rate %d\n", |
| 498 | mclk, rate); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 499 | return -EINVAL; |
| 500 | } |
| 501 | |
Liam Girdwood | e550e17 | 2008-07-07 16:07:52 +0100 | [diff] [blame] | 502 | static int wm8750_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 503 | int clk_id, unsigned int freq, int dir) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 504 | { |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 505 | struct snd_soc_codec *codec = codec_dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 506 | struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec); |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 507 | |
| 508 | switch (freq) { |
| 509 | case 11289600: |
| 510 | case 12000000: |
| 511 | case 12288000: |
| 512 | case 16934400: |
| 513 | case 18432000: |
| 514 | wm8750->sysclk = freq; |
| 515 | return 0; |
| 516 | } |
| 517 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 518 | } |
| 519 | |
Liam Girdwood | e550e17 | 2008-07-07 16:07:52 +0100 | [diff] [blame] | 520 | static int wm8750_set_dai_fmt(struct snd_soc_dai *codec_dai, |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 521 | unsigned int fmt) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 522 | { |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 523 | struct snd_soc_codec *codec = codec_dai->codec; |
| 524 | u16 iface = 0; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 525 | |
| 526 | /* set master/slave audio interface */ |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 527 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 528 | case SND_SOC_DAIFMT_CBM_CFM: |
| 529 | iface = 0x0040; |
| 530 | break; |
| 531 | case SND_SOC_DAIFMT_CBS_CFS: |
| 532 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 533 | default: |
| 534 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | /* interface format */ |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 538 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 539 | case SND_SOC_DAIFMT_I2S: |
| 540 | iface |= 0x0002; |
| 541 | break; |
| 542 | case SND_SOC_DAIFMT_RIGHT_J: |
| 543 | break; |
| 544 | case SND_SOC_DAIFMT_LEFT_J: |
| 545 | iface |= 0x0001; |
| 546 | break; |
| 547 | case SND_SOC_DAIFMT_DSP_A: |
| 548 | iface |= 0x0003; |
| 549 | break; |
| 550 | case SND_SOC_DAIFMT_DSP_B: |
| 551 | iface |= 0x0013; |
| 552 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 553 | default: |
| 554 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | /* clock inversion */ |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 558 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 559 | case SND_SOC_DAIFMT_NB_NF: |
| 560 | break; |
| 561 | case SND_SOC_DAIFMT_IB_IF: |
| 562 | iface |= 0x0090; |
| 563 | break; |
| 564 | case SND_SOC_DAIFMT_IB_NF: |
| 565 | iface |= 0x0080; |
| 566 | break; |
| 567 | case SND_SOC_DAIFMT_NB_IF: |
| 568 | iface |= 0x0010; |
| 569 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 570 | default: |
| 571 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 572 | } |
| 573 | |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 574 | snd_soc_write(codec, WM8750_IFACE, iface); |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream, |
Mark Brown | dee89c4 | 2008-11-18 22:11:38 +0000 | [diff] [blame] | 579 | struct snd_pcm_hw_params *params, |
| 580 | struct snd_soc_dai *dai) |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 581 | { |
Mark Brown | e6968a1 | 2012-04-04 15:58:16 +0100 | [diff] [blame] | 582 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 583 | struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 584 | u16 iface = snd_soc_read(codec, WM8750_IFACE) & 0x1f3; |
| 585 | u16 srate = snd_soc_read(codec, WM8750_SRATE) & 0x1c0; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 586 | int coeff = get_coeff(wm8750->sysclk, params_rate(params)); |
| 587 | |
| 588 | /* bit size */ |
| 589 | switch (params_format(params)) { |
| 590 | case SNDRV_PCM_FORMAT_S16_LE: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 591 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 592 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 593 | iface |= 0x0004; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 594 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 595 | case SNDRV_PCM_FORMAT_S24_LE: |
| 596 | iface |= 0x0008; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 597 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 598 | case SNDRV_PCM_FORMAT_S32_LE: |
| 599 | iface |= 0x000c; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 600 | break; |
| 601 | } |
| 602 | |
| 603 | /* set iface & srate */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 604 | snd_soc_write(codec, WM8750_IFACE, iface); |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 605 | if (coeff >= 0) |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 606 | snd_soc_write(codec, WM8750_SRATE, srate | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 607 | (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 608 | |
| 609 | return 0; |
| 610 | } |
| 611 | |
Liam Girdwood | e550e17 | 2008-07-07 16:07:52 +0100 | [diff] [blame] | 612 | static int wm8750_mute(struct snd_soc_dai *dai, int mute) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 613 | { |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 614 | struct snd_soc_codec *codec = dai->codec; |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 615 | u16 mute_reg = snd_soc_read(codec, WM8750_ADCDAC) & 0xfff7; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 616 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 617 | if (mute) |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 618 | snd_soc_write(codec, WM8750_ADCDAC, mute_reg | 0x8); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 619 | else |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 620 | snd_soc_write(codec, WM8750_ADCDAC, mute_reg); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 621 | return 0; |
| 622 | } |
| 623 | |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 624 | static int wm8750_set_bias_level(struct snd_soc_codec *codec, |
| 625 | enum snd_soc_bias_level level) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 626 | { |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 627 | u16 pwr_reg = snd_soc_read(codec, WM8750_PWR1) & 0xfe3e; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 628 | |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 629 | switch (level) { |
| 630 | case SND_SOC_BIAS_ON: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 631 | /* set vmid to 50k and unmute dac */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 632 | snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x00c0); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 633 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 634 | case SND_SOC_BIAS_PREPARE: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 635 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 636 | case SND_SOC_BIAS_STANDBY: |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 637 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
Axel Lin | 4d4adfc | 2011-10-07 21:40:44 +0800 | [diff] [blame] | 638 | snd_soc_cache_sync(codec); |
| 639 | |
Mark Brown | dd76769 | 2010-03-17 11:51:33 +0000 | [diff] [blame] | 640 | /* Set VMID to 5k */ |
| 641 | snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1); |
| 642 | |
| 643 | /* ...and ramp */ |
| 644 | msleep(1000); |
| 645 | } |
| 646 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 647 | /* mute dac and set vmid to 500k, enable VREF */ |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 648 | snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x0141); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 649 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 650 | case SND_SOC_BIAS_OFF: |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 651 | snd_soc_write(codec, WM8750_PWR1, 0x0001); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 652 | break; |
| 653 | } |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 654 | codec->dapm.bias_level = level; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 655 | return 0; |
| 656 | } |
| 657 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 658 | #define WM8750_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 659 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ |
| 660 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 661 | |
| 662 | #define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 663 | SNDRV_PCM_FMTBIT_S24_LE) |
| 664 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 665 | static const struct snd_soc_dai_ops wm8750_dai_ops = { |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 666 | .hw_params = wm8750_pcm_hw_params, |
| 667 | .digital_mute = wm8750_mute, |
| 668 | .set_fmt = wm8750_set_dai_fmt, |
| 669 | .set_sysclk = wm8750_set_dai_sysclk, |
| 670 | }; |
| 671 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 672 | static struct snd_soc_dai_driver wm8750_dai = { |
| 673 | .name = "wm8750-hifi", |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 674 | .playback = { |
| 675 | .stream_name = "Playback", |
| 676 | .channels_min = 1, |
| 677 | .channels_max = 2, |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 678 | .rates = WM8750_RATES, |
| 679 | .formats = WM8750_FORMATS,}, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 680 | .capture = { |
| 681 | .stream_name = "Capture", |
| 682 | .channels_min = 1, |
| 683 | .channels_max = 2, |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 684 | .rates = WM8750_RATES, |
| 685 | .formats = WM8750_FORMATS,}, |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 686 | .ops = &wm8750_dai_ops, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 687 | }; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 688 | |
Lars-Peter Clausen | 84b315e | 2011-12-02 10:18:28 +0100 | [diff] [blame] | 689 | static int wm8750_suspend(struct snd_soc_codec *codec) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 690 | { |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 691 | wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 692 | return 0; |
| 693 | } |
| 694 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 695 | static int wm8750_resume(struct snd_soc_codec *codec) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 696 | { |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 697 | wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 698 | return 0; |
| 699 | } |
| 700 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 701 | static int wm8750_probe(struct snd_soc_codec *codec) |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 702 | { |
Axel Lin | f5b00d0 | 2011-10-04 11:17:24 +0800 | [diff] [blame] | 703 | int ret; |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 704 | |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 705 | ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP); |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 706 | if (ret < 0) { |
| 707 | printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 708 | return ret; |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 709 | } |
| 710 | |
| 711 | ret = wm8750_reset(codec); |
| 712 | if (ret < 0) { |
| 713 | printk(KERN_ERR "wm8750: failed to reset: %d\n", ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 714 | return ret; |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 715 | } |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 716 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 717 | /* charge output caps */ |
Mark Brown | dd76769 | 2010-03-17 11:51:33 +0000 | [diff] [blame] | 718 | wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 719 | |
| 720 | /* set the update bits */ |
Axel Lin | f5b00d0 | 2011-10-04 11:17:24 +0800 | [diff] [blame] | 721 | snd_soc_update_bits(codec, WM8750_LDAC, 0x0100, 0x0100); |
| 722 | snd_soc_update_bits(codec, WM8750_RDAC, 0x0100, 0x0100); |
| 723 | snd_soc_update_bits(codec, WM8750_LOUT1V, 0x0100, 0x0100); |
| 724 | snd_soc_update_bits(codec, WM8750_ROUT1V, 0x0100, 0x0100); |
| 725 | snd_soc_update_bits(codec, WM8750_LOUT2V, 0x0100, 0x0100); |
| 726 | snd_soc_update_bits(codec, WM8750_ROUT2V, 0x0100, 0x0100); |
| 727 | snd_soc_update_bits(codec, WM8750_LINVOL, 0x0100, 0x0100); |
| 728 | snd_soc_update_bits(codec, WM8750_RINVOL, 0x0100, 0x0100); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 729 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 730 | return ret; |
| 731 | } |
| 732 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 733 | static int wm8750_remove(struct snd_soc_codec *codec) |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 734 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 735 | wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 736 | return 0; |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 737 | } |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 738 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 739 | static struct snd_soc_codec_driver soc_codec_dev_wm8750 = { |
| 740 | .probe = wm8750_probe, |
| 741 | .remove = wm8750_remove, |
| 742 | .suspend = wm8750_suspend, |
| 743 | .resume = wm8750_resume, |
| 744 | .set_bias_level = wm8750_set_bias_level, |
Mark Brown | 0f185e3 | 2011-12-03 17:21:43 +0000 | [diff] [blame] | 745 | |
| 746 | .controls = wm8750_snd_controls, |
| 747 | .num_controls = ARRAY_SIZE(wm8750_snd_controls), |
| 748 | .dapm_widgets = wm8750_dapm_widgets, |
| 749 | .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets), |
| 750 | .dapm_routes = wm8750_dapm_routes, |
| 751 | .num_dapm_routes = ARRAY_SIZE(wm8750_dapm_routes), |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 752 | }; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 753 | |
Mark Brown | ce31a0f | 2011-08-03 17:34:59 +0900 | [diff] [blame] | 754 | static const struct of_device_id wm8750_of_match[] = { |
| 755 | { .compatible = "wlf,wm8750", }, |
| 756 | { .compatible = "wlf,wm8987", }, |
| 757 | { } |
| 758 | }; |
| 759 | MODULE_DEVICE_TABLE(of, wm8750_of_match); |
| 760 | |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 761 | static const struct regmap_config wm8750_regmap = { |
| 762 | .reg_bits = 7, |
| 763 | .val_bits = 9, |
| 764 | .max_register = WM8750_MOUTV, |
| 765 | |
| 766 | .reg_defaults = wm8750_reg_defaults, |
| 767 | .num_reg_defaults = ARRAY_SIZE(wm8750_reg_defaults), |
| 768 | .cache_type = REGCACHE_RBTREE, |
| 769 | }; |
| 770 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 771 | #if defined(CONFIG_SPI_MASTER) |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 772 | static int wm8750_spi_probe(struct spi_device *spi) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 773 | { |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 774 | struct wm8750_priv *wm8750; |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 775 | struct regmap *regmap; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 776 | int ret; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 777 | |
Mark Brown | 2edaed8 | 2011-12-03 17:18:37 +0000 | [diff] [blame] | 778 | wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv), |
| 779 | GFP_KERNEL); |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 780 | if (wm8750 == NULL) |
| 781 | return -ENOMEM; |
| 782 | |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 783 | regmap = devm_regmap_init_spi(spi, &wm8750_regmap); |
| 784 | if (IS_ERR(regmap)) |
| 785 | return PTR_ERR(regmap); |
| 786 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 787 | spi_set_drvdata(spi, wm8750); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 788 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 789 | ret = snd_soc_register_codec(&spi->dev, |
| 790 | &soc_codec_dev_wm8750, &wm8750_dai, 1); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 791 | return ret; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 792 | } |
| 793 | |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 794 | static int wm8750_spi_remove(struct spi_device *spi) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 795 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 796 | snd_soc_unregister_codec(&spi->dev); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 797 | return 0; |
| 798 | } |
| 799 | |
Mark Brown | 40045a8 | 2011-08-03 18:32:09 +0900 | [diff] [blame] | 800 | static const struct spi_device_id wm8750_spi_ids[] = { |
| 801 | { "wm8750", 0 }, |
| 802 | { "wm8987", 0 }, |
Takashi Iwai | f6b864a | 2011-08-12 18:22:10 +0200 | [diff] [blame] | 803 | { }, |
Mark Brown | 40045a8 | 2011-08-03 18:32:09 +0900 | [diff] [blame] | 804 | }; |
Mark Brown | 511d8cf | 2011-08-10 09:41:26 +0900 | [diff] [blame] | 805 | MODULE_DEVICE_TABLE(spi, wm8750_spi_ids); |
Mark Brown | 40045a8 | 2011-08-03 18:32:09 +0900 | [diff] [blame] | 806 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 807 | static struct spi_driver wm8750_spi_driver = { |
| 808 | .driver = { |
Mark Brown | dc5de62 | 2011-08-03 18:22:28 +0900 | [diff] [blame] | 809 | .name = "wm8750", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 810 | .owner = THIS_MODULE, |
Mark Brown | ce31a0f | 2011-08-03 17:34:59 +0900 | [diff] [blame] | 811 | .of_match_table = wm8750_of_match, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 812 | }, |
Mark Brown | 40045a8 | 2011-08-03 18:32:09 +0900 | [diff] [blame] | 813 | .id_table = wm8750_spi_ids, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 814 | .probe = wm8750_spi_probe, |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 815 | .remove = wm8750_spi_remove, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 816 | }; |
| 817 | #endif /* CONFIG_SPI_MASTER */ |
| 818 | |
| 819 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 820 | static int wm8750_i2c_probe(struct i2c_client *i2c, |
| 821 | const struct i2c_device_id *id) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 822 | { |
| 823 | struct wm8750_priv *wm8750; |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 824 | struct regmap *regmap; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 825 | int ret; |
| 826 | |
Mark Brown | 2edaed8 | 2011-12-03 17:18:37 +0000 | [diff] [blame] | 827 | wm8750 = devm_kzalloc(&i2c->dev, sizeof(struct wm8750_priv), |
| 828 | GFP_KERNEL); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 829 | if (wm8750 == NULL) |
| 830 | return -ENOMEM; |
| 831 | |
| 832 | i2c_set_clientdata(i2c, wm8750); |
Mark Brown | ed79eda | 2012-10-10 21:55:18 +0900 | [diff] [blame] | 833 | |
| 834 | regmap = devm_regmap_init_i2c(i2c, &wm8750_regmap); |
| 835 | if (IS_ERR(regmap)) |
| 836 | return PTR_ERR(regmap); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 837 | |
| 838 | ret = snd_soc_register_codec(&i2c->dev, |
| 839 | &soc_codec_dev_wm8750, &wm8750_dai, 1); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 840 | return ret; |
| 841 | } |
| 842 | |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 843 | static int wm8750_i2c_remove(struct i2c_client *client) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 844 | { |
| 845 | snd_soc_unregister_codec(&client->dev); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 846 | return 0; |
| 847 | } |
| 848 | |
Jean Delvare | ee1d009 | 2008-09-01 18:47:00 +0100 | [diff] [blame] | 849 | static const struct i2c_device_id wm8750_i2c_id[] = { |
| 850 | { "wm8750", 0 }, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 851 | { "wm8987", 0 }, |
Jean Delvare | ee1d009 | 2008-09-01 18:47:00 +0100 | [diff] [blame] | 852 | { } |
| 853 | }; |
| 854 | MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 855 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 856 | static struct i2c_driver wm8750_i2c_driver = { |
| 857 | .driver = { |
Mark Brown | dc5de62 | 2011-08-03 18:22:28 +0900 | [diff] [blame] | 858 | .name = "wm8750", |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 859 | .owner = THIS_MODULE, |
Mark Brown | ce31a0f | 2011-08-03 17:34:59 +0900 | [diff] [blame] | 860 | .of_match_table = wm8750_of_match, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 861 | }, |
Jean Delvare | ee1d009 | 2008-09-01 18:47:00 +0100 | [diff] [blame] | 862 | .probe = wm8750_i2c_probe, |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 863 | .remove = wm8750_i2c_remove, |
Jean Delvare | ee1d009 | 2008-09-01 18:47:00 +0100 | [diff] [blame] | 864 | .id_table = wm8750_i2c_id, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 865 | }; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 866 | #endif |
| 867 | |
Takashi Iwai | c9b3a40 | 2008-12-10 07:47:22 +0100 | [diff] [blame] | 868 | static int __init wm8750_modinit(void) |
Mark Brown | 64089b8 | 2008-12-08 19:17:58 +0000 | [diff] [blame] | 869 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 870 | int ret = 0; |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 871 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 872 | ret = i2c_add_driver(&wm8750_i2c_driver); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 873 | if (ret != 0) { |
| 874 | printk(KERN_ERR "Failed to register wm8750 I2C driver: %d\n", |
| 875 | ret); |
| 876 | } |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 877 | #endif |
| 878 | #if defined(CONFIG_SPI_MASTER) |
| 879 | ret = spi_register_driver(&wm8750_spi_driver); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 880 | if (ret != 0) { |
| 881 | printk(KERN_ERR "Failed to register wm8750 SPI driver: %d\n", |
| 882 | ret); |
| 883 | } |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 884 | #endif |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 885 | return ret; |
Mark Brown | 64089b8 | 2008-12-08 19:17:58 +0000 | [diff] [blame] | 886 | } |
| 887 | module_init(wm8750_modinit); |
| 888 | |
| 889 | static void __exit wm8750_exit(void) |
| 890 | { |
Marek Vasut | 6ca0c22 | 2010-04-08 20:48:51 +0200 | [diff] [blame] | 891 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
| 892 | i2c_del_driver(&wm8750_i2c_driver); |
| 893 | #endif |
| 894 | #if defined(CONFIG_SPI_MASTER) |
| 895 | spi_unregister_driver(&wm8750_spi_driver); |
| 896 | #endif |
Mark Brown | 64089b8 | 2008-12-08 19:17:58 +0000 | [diff] [blame] | 897 | } |
| 898 | module_exit(wm8750_exit); |
| 899 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 900 | MODULE_DESCRIPTION("ASoC WM8750 driver"); |
| 901 | MODULE_AUTHOR("Liam Girdwood"); |
| 902 | MODULE_LICENSE("GPL"); |