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> |
| 21 | #include <linux/platform_device.h> |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 22 | #include <sound/core.h> |
| 23 | #include <sound/pcm.h> |
| 24 | #include <sound/pcm_params.h> |
| 25 | #include <sound/soc.h> |
| 26 | #include <sound/soc-dapm.h> |
| 27 | #include <sound/initval.h> |
| 28 | |
| 29 | #include "wm8750.h" |
| 30 | |
| 31 | #define AUDIO_NAME "WM8750" |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 32 | #define WM8750_VERSION "0.12" |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 33 | |
| 34 | /* |
| 35 | * Debug |
| 36 | */ |
| 37 | |
| 38 | #define WM8750_DEBUG 0 |
| 39 | |
| 40 | #ifdef WM8750_DEBUG |
| 41 | #define dbg(format, arg...) \ |
| 42 | printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg) |
| 43 | #else |
| 44 | #define dbg(format, arg...) do {} while (0) |
| 45 | #endif |
| 46 | #define err(format, arg...) \ |
| 47 | printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg) |
| 48 | #define info(format, arg...) \ |
| 49 | printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg) |
| 50 | #define warn(format, arg...) \ |
| 51 | printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg) |
| 52 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 53 | /* codec private data */ |
| 54 | struct wm8750_priv { |
| 55 | unsigned int sysclk; |
| 56 | }; |
| 57 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 58 | /* |
| 59 | * wm8750 register cache |
| 60 | * We can't read the WM8750 register space when we |
| 61 | * are using 2 wire for device control, so we cache them instead. |
| 62 | */ |
| 63 | static const u16 wm8750_reg[] = { |
| 64 | 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */ |
| 65 | 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */ |
| 66 | 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */ |
| 67 | 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */ |
| 68 | 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */ |
| 69 | 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */ |
| 70 | 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */ |
| 71 | 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */ |
| 72 | 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */ |
| 73 | 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */ |
| 74 | 0x0079, 0x0079, 0x0079, /* 40 */ |
| 75 | }; |
| 76 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 77 | /* |
| 78 | * read wm8750 register cache |
| 79 | */ |
| 80 | static inline unsigned int wm8750_read_reg_cache(struct snd_soc_codec *codec, |
| 81 | unsigned int reg) |
| 82 | { |
| 83 | u16 *cache = codec->reg_cache; |
| 84 | if (reg > WM8750_CACHE_REGNUM) |
| 85 | return -1; |
| 86 | return cache[reg]; |
| 87 | } |
| 88 | |
| 89 | /* |
| 90 | * write wm8750 register cache |
| 91 | */ |
| 92 | static inline void wm8750_write_reg_cache(struct snd_soc_codec *codec, |
| 93 | unsigned int reg, unsigned int value) |
| 94 | { |
| 95 | u16 *cache = codec->reg_cache; |
| 96 | if (reg > WM8750_CACHE_REGNUM) |
| 97 | return; |
| 98 | cache[reg] = value; |
| 99 | } |
| 100 | |
| 101 | static int wm8750_write(struct snd_soc_codec *codec, unsigned int reg, |
| 102 | unsigned int value) |
| 103 | { |
| 104 | u8 data[2]; |
| 105 | |
| 106 | /* data is |
| 107 | * D15..D9 WM8753 register offset |
| 108 | * D8...D0 register data |
| 109 | */ |
| 110 | data[0] = (reg << 1) | ((value >> 8) & 0x0001); |
| 111 | data[1] = value & 0x00ff; |
| 112 | |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 113 | wm8750_write_reg_cache(codec, reg, value); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 114 | if (codec->hw_write(codec->control_data, data, 2) == 2) |
| 115 | return 0; |
| 116 | else |
| 117 | return -EIO; |
| 118 | } |
| 119 | |
| 120 | #define wm8750_reset(c) wm8750_write(c, WM8750_RESET, 0) |
| 121 | |
| 122 | /* |
| 123 | * WM8750 Controls |
| 124 | */ |
| 125 | static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"}; |
| 126 | static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" }; |
| 127 | static const char *wm8750_treble[] = {"8kHz", "4kHz"}; |
| 128 | static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"}; |
| 129 | static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"}; |
| 130 | static const char *wm8750_3d_func[] = {"Capture", "Playback"}; |
| 131 | static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"}; |
| 132 | static const char *wm8750_ng_type[] = {"Constant PGA Gain", |
| 133 | "Mute ADC Output"}; |
| 134 | static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA", |
| 135 | "Differential"}; |
| 136 | static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3", |
| 137 | "Differential"}; |
| 138 | static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut", |
| 139 | "ROUT1"}; |
| 140 | static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"}; |
| 141 | static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert", |
| 142 | "L + R Invert"}; |
| 143 | static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; |
| 144 | static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)", |
| 145 | "Mono (Right)", "Digital Mono"}; |
| 146 | |
| 147 | static const struct soc_enum wm8750_enum[] = { |
| 148 | SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass), |
| 149 | SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter), |
| 150 | SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble), |
| 151 | SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc), |
| 152 | SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc), |
| 153 | SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func), |
| 154 | SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func), |
| 155 | SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type), |
| 156 | SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux), |
| 157 | SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux), |
| 158 | SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel), /* 10 */ |
| 159 | SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel), |
| 160 | SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3), |
| 161 | SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel), |
| 162 | SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol), |
| 163 | SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph), |
| 164 | SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux), /* 16 */ |
| 165 | |
| 166 | }; |
| 167 | |
| 168 | static const struct snd_kcontrol_new wm8750_snd_controls[] = { |
| 169 | |
| 170 | SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0), |
| 171 | SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0), |
| 172 | SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1), |
| 173 | |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 174 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8750_LOUT1V, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 175 | WM8750_ROUT1V, 7, 1, 0), |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 176 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8750_LOUT2V, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 177 | WM8750_ROUT2V, 7, 1, 0), |
| 178 | |
| 179 | SOC_ENUM("Playback De-emphasis", wm8750_enum[15]), |
| 180 | |
| 181 | SOC_ENUM("Capture Polarity", wm8750_enum[14]), |
| 182 | SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0), |
| 183 | SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0), |
| 184 | |
| 185 | SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0), |
| 186 | |
| 187 | SOC_ENUM("Bass Boost", wm8750_enum[0]), |
| 188 | SOC_ENUM("Bass Filter", wm8750_enum[1]), |
| 189 | SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1), |
| 190 | |
Stanislav Brabec | 6a7b8cf | 2007-11-12 12:11:10 +0100 | [diff] [blame] | 191 | SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 1), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 192 | SOC_ENUM("Treble Cut-off", wm8750_enum[2]), |
| 193 | |
| 194 | SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0), |
| 195 | SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0), |
| 196 | SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]), |
| 197 | SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]), |
| 198 | SOC_ENUM("3D Mode", wm8750_enum[5]), |
| 199 | |
| 200 | SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0), |
| 201 | SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0), |
| 202 | SOC_ENUM("ALC Capture Function", wm8750_enum[6]), |
| 203 | SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0), |
| 204 | SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0), |
| 205 | SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0), |
| 206 | SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0), |
| 207 | SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0), |
| 208 | SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]), |
| 209 | SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0), |
| 210 | |
| 211 | SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0), |
| 212 | SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0), |
| 213 | |
| 214 | SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0), |
| 215 | SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0), |
| 216 | |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 217 | SOC_SINGLE("Right Speaker Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 218 | |
| 219 | /* Unimplemented */ |
| 220 | /* ADCDAC Bit 0 - ADCHPD */ |
| 221 | /* ADCDAC Bit 4 - HPOR */ |
| 222 | /* ADCTL1 Bit 2,3 - DATSEL */ |
| 223 | /* ADCTL1 Bit 4,5 - DMONOMIX */ |
| 224 | /* ADCTL1 Bit 6,7 - VSEL */ |
| 225 | /* ADCTL2 Bit 2 - LRCM */ |
| 226 | /* ADCTL2 Bit 3 - TRI */ |
| 227 | /* ADCTL3 Bit 5 - HPFLREN */ |
| 228 | /* ADCTL3 Bit 6 - VROI */ |
| 229 | /* ADCTL3 Bit 7,8 - ADCLRM */ |
| 230 | /* ADCIN Bit 4 - LDCM */ |
| 231 | /* ADCIN Bit 5 - RDCM */ |
| 232 | |
| 233 | SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0), |
| 234 | |
| 235 | SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1, |
| 236 | WM8750_LOUTM2, 4, 7, 1), |
| 237 | SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1, |
| 238 | WM8750_ROUTM2, 4, 7, 1), |
| 239 | SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1, |
| 240 | WM8750_MOUTM2, 4, 7, 1), |
| 241 | |
| 242 | SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0), |
| 243 | |
Liam Girdwood | bd903b6 | 2006-11-09 16:35:01 +0100 | [diff] [blame] | 244 | SOC_DOUBLE_R("Headphone Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V, |
| 245 | 0, 127, 0), |
| 246 | SOC_DOUBLE_R("Speaker Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V, |
| 247 | 0, 127, 0), |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 248 | |
| 249 | SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0), |
| 250 | |
| 251 | }; |
| 252 | |
| 253 | /* add non dapm controls */ |
| 254 | static int wm8750_add_controls(struct snd_soc_codec *codec) |
| 255 | { |
| 256 | int err, i; |
| 257 | |
| 258 | for (i = 0; i < ARRAY_SIZE(wm8750_snd_controls); i++) { |
| 259 | err = snd_ctl_add(codec->card, |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 260 | snd_soc_cnew(&wm8750_snd_controls[i], |
| 261 | codec, NULL)); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 262 | if (err < 0) |
| 263 | return err; |
| 264 | } |
| 265 | return 0; |
| 266 | } |
| 267 | |
| 268 | /* |
| 269 | * DAPM Controls |
| 270 | */ |
| 271 | |
| 272 | /* Left Mixer */ |
| 273 | static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = { |
| 274 | SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0), |
| 275 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0), |
| 276 | SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0), |
| 277 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0), |
| 278 | }; |
| 279 | |
| 280 | /* Right Mixer */ |
| 281 | static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = { |
| 282 | SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0), |
| 283 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0), |
| 284 | SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0), |
| 285 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0), |
| 286 | }; |
| 287 | |
| 288 | /* Mono Mixer */ |
| 289 | static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = { |
| 290 | SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0), |
| 291 | SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0), |
| 292 | SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0), |
| 293 | SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0), |
| 294 | }; |
| 295 | |
| 296 | /* Left Line Mux */ |
| 297 | static const struct snd_kcontrol_new wm8750_left_line_controls = |
| 298 | SOC_DAPM_ENUM("Route", wm8750_enum[8]); |
| 299 | |
| 300 | /* Right Line Mux */ |
| 301 | static const struct snd_kcontrol_new wm8750_right_line_controls = |
| 302 | SOC_DAPM_ENUM("Route", wm8750_enum[9]); |
| 303 | |
| 304 | /* Left PGA Mux */ |
| 305 | static const struct snd_kcontrol_new wm8750_left_pga_controls = |
| 306 | SOC_DAPM_ENUM("Route", wm8750_enum[10]); |
| 307 | |
| 308 | /* Right PGA Mux */ |
| 309 | static const struct snd_kcontrol_new wm8750_right_pga_controls = |
| 310 | SOC_DAPM_ENUM("Route", wm8750_enum[11]); |
| 311 | |
| 312 | /* Out 3 Mux */ |
| 313 | static const struct snd_kcontrol_new wm8750_out3_controls = |
| 314 | SOC_DAPM_ENUM("Route", wm8750_enum[12]); |
| 315 | |
| 316 | /* Differential Mux */ |
| 317 | static const struct snd_kcontrol_new wm8750_diffmux_controls = |
| 318 | SOC_DAPM_ENUM("Route", wm8750_enum[13]); |
| 319 | |
| 320 | /* Mono ADC Mux */ |
| 321 | static const struct snd_kcontrol_new wm8750_monomux_controls = |
| 322 | SOC_DAPM_ENUM("Route", wm8750_enum[16]); |
| 323 | |
| 324 | static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { |
| 325 | SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, |
| 326 | &wm8750_left_mixer_controls[0], |
| 327 | ARRAY_SIZE(wm8750_left_mixer_controls)), |
| 328 | SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, |
| 329 | &wm8750_right_mixer_controls[0], |
| 330 | ARRAY_SIZE(wm8750_right_mixer_controls)), |
| 331 | SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0, |
| 332 | &wm8750_mono_mixer_controls[0], |
| 333 | ARRAY_SIZE(wm8750_mono_mixer_controls)), |
| 334 | |
| 335 | SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0), |
| 336 | SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0), |
| 337 | SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0), |
| 338 | SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0), |
| 339 | SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0), |
| 340 | SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0), |
| 341 | |
| 342 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0), |
| 343 | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0), |
| 344 | SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0), |
| 345 | |
| 346 | SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0, |
| 347 | &wm8750_left_pga_controls), |
| 348 | SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0, |
| 349 | &wm8750_right_pga_controls), |
| 350 | SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, |
| 351 | &wm8750_left_line_controls), |
| 352 | SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, |
| 353 | &wm8750_right_line_controls), |
| 354 | |
| 355 | SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls), |
| 356 | SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0), |
| 357 | SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0), |
| 358 | |
| 359 | SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, |
| 360 | &wm8750_diffmux_controls), |
| 361 | SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, |
| 362 | &wm8750_monomux_controls), |
| 363 | SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, |
| 364 | &wm8750_monomux_controls), |
| 365 | |
| 366 | SND_SOC_DAPM_OUTPUT("LOUT1"), |
| 367 | SND_SOC_DAPM_OUTPUT("ROUT1"), |
| 368 | SND_SOC_DAPM_OUTPUT("LOUT2"), |
| 369 | SND_SOC_DAPM_OUTPUT("ROUT2"), |
| 370 | SND_SOC_DAPM_OUTPUT("MONO"), |
| 371 | SND_SOC_DAPM_OUTPUT("OUT3"), |
| 372 | |
| 373 | SND_SOC_DAPM_INPUT("LINPUT1"), |
| 374 | SND_SOC_DAPM_INPUT("LINPUT2"), |
| 375 | SND_SOC_DAPM_INPUT("LINPUT3"), |
| 376 | SND_SOC_DAPM_INPUT("RINPUT1"), |
| 377 | SND_SOC_DAPM_INPUT("RINPUT2"), |
| 378 | SND_SOC_DAPM_INPUT("RINPUT3"), |
| 379 | }; |
| 380 | |
Mark Brown | a65f056 | 2008-05-13 14:54:43 +0200 | [diff] [blame^] | 381 | static const struct snd_soc_dapm_route audio_map[] = { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 382 | /* left mixer */ |
| 383 | {"Left Mixer", "Playback Switch", "Left DAC"}, |
| 384 | {"Left Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 385 | {"Left Mixer", "Right Playback Switch", "Right DAC"}, |
| 386 | {"Left Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 387 | |
| 388 | /* right mixer */ |
| 389 | {"Right Mixer", "Left Playback Switch", "Left DAC"}, |
| 390 | {"Right Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 391 | {"Right Mixer", "Playback Switch", "Right DAC"}, |
| 392 | {"Right Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 393 | |
| 394 | /* left out 1 */ |
| 395 | {"Left Out 1", NULL, "Left Mixer"}, |
| 396 | {"LOUT1", NULL, "Left Out 1"}, |
| 397 | |
| 398 | /* left out 2 */ |
| 399 | {"Left Out 2", NULL, "Left Mixer"}, |
| 400 | {"LOUT2", NULL, "Left Out 2"}, |
| 401 | |
| 402 | /* right out 1 */ |
| 403 | {"Right Out 1", NULL, "Right Mixer"}, |
| 404 | {"ROUT1", NULL, "Right Out 1"}, |
| 405 | |
| 406 | /* right out 2 */ |
| 407 | {"Right Out 2", NULL, "Right Mixer"}, |
| 408 | {"ROUT2", NULL, "Right Out 2"}, |
| 409 | |
| 410 | /* mono mixer */ |
| 411 | {"Mono Mixer", "Left Playback Switch", "Left DAC"}, |
| 412 | {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"}, |
| 413 | {"Mono Mixer", "Right Playback Switch", "Right DAC"}, |
| 414 | {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"}, |
| 415 | |
| 416 | /* mono out */ |
| 417 | {"Mono Out 1", NULL, "Mono Mixer"}, |
| 418 | {"MONO1", NULL, "Mono Out 1"}, |
| 419 | |
| 420 | /* out 3 */ |
| 421 | {"Out3 Mux", "VREF", "VREF"}, |
| 422 | {"Out3 Mux", "ROUT1 + Vol", "ROUT1"}, |
| 423 | {"Out3 Mux", "ROUT1", "Right Mixer"}, |
| 424 | {"Out3 Mux", "MonoOut", "MONO1"}, |
| 425 | {"Out 3", NULL, "Out3 Mux"}, |
| 426 | {"OUT3", NULL, "Out 3"}, |
| 427 | |
| 428 | /* Left Line Mux */ |
| 429 | {"Left Line Mux", "Line 1", "LINPUT1"}, |
| 430 | {"Left Line Mux", "Line 2", "LINPUT2"}, |
| 431 | {"Left Line Mux", "Line 3", "LINPUT3"}, |
| 432 | {"Left Line Mux", "PGA", "Left PGA Mux"}, |
| 433 | {"Left Line Mux", "Differential", "Differential Mux"}, |
| 434 | |
| 435 | /* Right Line Mux */ |
| 436 | {"Right Line Mux", "Line 1", "RINPUT1"}, |
| 437 | {"Right Line Mux", "Line 2", "RINPUT2"}, |
| 438 | {"Right Line Mux", "Line 3", "RINPUT3"}, |
| 439 | {"Right Line Mux", "PGA", "Right PGA Mux"}, |
| 440 | {"Right Line Mux", "Differential", "Differential Mux"}, |
| 441 | |
| 442 | /* Left PGA Mux */ |
| 443 | {"Left PGA Mux", "Line 1", "LINPUT1"}, |
| 444 | {"Left PGA Mux", "Line 2", "LINPUT2"}, |
| 445 | {"Left PGA Mux", "Line 3", "LINPUT3"}, |
| 446 | {"Left PGA Mux", "Differential", "Differential Mux"}, |
| 447 | |
| 448 | /* Right PGA Mux */ |
| 449 | {"Right PGA Mux", "Line 1", "RINPUT1"}, |
| 450 | {"Right PGA Mux", "Line 2", "RINPUT2"}, |
| 451 | {"Right PGA Mux", "Line 3", "RINPUT3"}, |
| 452 | {"Right PGA Mux", "Differential", "Differential Mux"}, |
| 453 | |
| 454 | /* Differential Mux */ |
| 455 | {"Differential Mux", "Line 1", "LINPUT1"}, |
| 456 | {"Differential Mux", "Line 1", "RINPUT1"}, |
| 457 | {"Differential Mux", "Line 2", "LINPUT2"}, |
| 458 | {"Differential Mux", "Line 2", "RINPUT2"}, |
| 459 | |
| 460 | /* Left ADC Mux */ |
| 461 | {"Left ADC Mux", "Stereo", "Left PGA Mux"}, |
| 462 | {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"}, |
| 463 | {"Left ADC Mux", "Digital Mono", "Left PGA Mux"}, |
| 464 | |
| 465 | /* Right ADC Mux */ |
| 466 | {"Right ADC Mux", "Stereo", "Right PGA Mux"}, |
| 467 | {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"}, |
| 468 | {"Right ADC Mux", "Digital Mono", "Right PGA Mux"}, |
| 469 | |
| 470 | /* ADC */ |
| 471 | {"Left ADC", NULL, "Left ADC Mux"}, |
| 472 | {"Right ADC", NULL, "Right ADC Mux"}, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 473 | }; |
| 474 | |
| 475 | static int wm8750_add_widgets(struct snd_soc_codec *codec) |
| 476 | { |
Mark Brown | a65f056 | 2008-05-13 14:54:43 +0200 | [diff] [blame^] | 477 | snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets, |
| 478 | ARRAY_SIZE(wm8750_dapm_widgets)); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 479 | |
Mark Brown | a65f056 | 2008-05-13 14:54:43 +0200 | [diff] [blame^] | 480 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 481 | |
| 482 | snd_soc_dapm_new_widgets(codec); |
| 483 | return 0; |
| 484 | } |
| 485 | |
| 486 | struct _coeff_div { |
| 487 | u32 mclk; |
| 488 | u32 rate; |
| 489 | u16 fs; |
| 490 | u8 sr:5; |
| 491 | u8 usb:1; |
| 492 | }; |
| 493 | |
| 494 | /* codec hifi mclk clock divider coefficients */ |
| 495 | static const struct _coeff_div coeff_div[] = { |
| 496 | /* 8k */ |
| 497 | {12288000, 8000, 1536, 0x6, 0x0}, |
| 498 | {11289600, 8000, 1408, 0x16, 0x0}, |
| 499 | {18432000, 8000, 2304, 0x7, 0x0}, |
| 500 | {16934400, 8000, 2112, 0x17, 0x0}, |
| 501 | {12000000, 8000, 1500, 0x6, 0x1}, |
| 502 | |
| 503 | /* 11.025k */ |
| 504 | {11289600, 11025, 1024, 0x18, 0x0}, |
| 505 | {16934400, 11025, 1536, 0x19, 0x0}, |
| 506 | {12000000, 11025, 1088, 0x19, 0x1}, |
| 507 | |
| 508 | /* 16k */ |
| 509 | {12288000, 16000, 768, 0xa, 0x0}, |
| 510 | {18432000, 16000, 1152, 0xb, 0x0}, |
| 511 | {12000000, 16000, 750, 0xa, 0x1}, |
| 512 | |
| 513 | /* 22.05k */ |
| 514 | {11289600, 22050, 512, 0x1a, 0x0}, |
| 515 | {16934400, 22050, 768, 0x1b, 0x0}, |
| 516 | {12000000, 22050, 544, 0x1b, 0x1}, |
| 517 | |
| 518 | /* 32k */ |
| 519 | {12288000, 32000, 384, 0xc, 0x0}, |
| 520 | {18432000, 32000, 576, 0xd, 0x0}, |
| 521 | {12000000, 32000, 375, 0xa, 0x1}, |
| 522 | |
| 523 | /* 44.1k */ |
| 524 | {11289600, 44100, 256, 0x10, 0x0}, |
| 525 | {16934400, 44100, 384, 0x11, 0x0}, |
| 526 | {12000000, 44100, 272, 0x11, 0x1}, |
| 527 | |
| 528 | /* 48k */ |
| 529 | {12288000, 48000, 256, 0x0, 0x0}, |
| 530 | {18432000, 48000, 384, 0x1, 0x0}, |
| 531 | {12000000, 48000, 250, 0x0, 0x1}, |
| 532 | |
| 533 | /* 88.2k */ |
| 534 | {11289600, 88200, 128, 0x1e, 0x0}, |
| 535 | {16934400, 88200, 192, 0x1f, 0x0}, |
| 536 | {12000000, 88200, 136, 0x1f, 0x1}, |
| 537 | |
| 538 | /* 96k */ |
| 539 | {12288000, 96000, 128, 0xe, 0x0}, |
| 540 | {18432000, 96000, 192, 0xf, 0x0}, |
| 541 | {12000000, 96000, 125, 0xe, 0x1}, |
| 542 | }; |
| 543 | |
| 544 | static inline int get_coeff(int mclk, int rate) |
| 545 | { |
| 546 | int i; |
| 547 | |
| 548 | for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { |
| 549 | if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) |
| 550 | return i; |
| 551 | } |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 552 | |
| 553 | printk(KERN_ERR "wm8750: could not get coeff for mclk %d @ rate %d\n", |
| 554 | mclk, rate); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 555 | return -EINVAL; |
| 556 | } |
| 557 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 558 | static int wm8750_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai, |
| 559 | int clk_id, unsigned int freq, int dir) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 560 | { |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 561 | struct snd_soc_codec *codec = codec_dai->codec; |
| 562 | struct wm8750_priv *wm8750 = codec->private_data; |
| 563 | |
| 564 | switch (freq) { |
| 565 | case 11289600: |
| 566 | case 12000000: |
| 567 | case 12288000: |
| 568 | case 16934400: |
| 569 | case 18432000: |
| 570 | wm8750->sysclk = freq; |
| 571 | return 0; |
| 572 | } |
| 573 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 574 | } |
| 575 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 576 | static int wm8750_set_dai_fmt(struct snd_soc_codec_dai *codec_dai, |
| 577 | unsigned int fmt) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 578 | { |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 579 | struct snd_soc_codec *codec = codec_dai->codec; |
| 580 | u16 iface = 0; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 581 | |
| 582 | /* set master/slave audio interface */ |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 583 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 584 | case SND_SOC_DAIFMT_CBM_CFM: |
| 585 | iface = 0x0040; |
| 586 | break; |
| 587 | case SND_SOC_DAIFMT_CBS_CFS: |
| 588 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 589 | default: |
| 590 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | /* interface format */ |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 594 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 595 | case SND_SOC_DAIFMT_I2S: |
| 596 | iface |= 0x0002; |
| 597 | break; |
| 598 | case SND_SOC_DAIFMT_RIGHT_J: |
| 599 | break; |
| 600 | case SND_SOC_DAIFMT_LEFT_J: |
| 601 | iface |= 0x0001; |
| 602 | break; |
| 603 | case SND_SOC_DAIFMT_DSP_A: |
| 604 | iface |= 0x0003; |
| 605 | break; |
| 606 | case SND_SOC_DAIFMT_DSP_B: |
| 607 | iface |= 0x0013; |
| 608 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 609 | default: |
| 610 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 611 | } |
| 612 | |
| 613 | /* clock inversion */ |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 614 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 615 | case SND_SOC_DAIFMT_NB_NF: |
| 616 | break; |
| 617 | case SND_SOC_DAIFMT_IB_IF: |
| 618 | iface |= 0x0090; |
| 619 | break; |
| 620 | case SND_SOC_DAIFMT_IB_NF: |
| 621 | iface |= 0x0080; |
| 622 | break; |
| 623 | case SND_SOC_DAIFMT_NB_IF: |
| 624 | iface |= 0x0010; |
| 625 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 626 | default: |
| 627 | return -EINVAL; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 628 | } |
| 629 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 630 | wm8750_write(codec, WM8750_IFACE, iface); |
| 631 | return 0; |
| 632 | } |
| 633 | |
| 634 | static int wm8750_pcm_hw_params(struct snd_pcm_substream *substream, |
| 635 | struct snd_pcm_hw_params *params) |
| 636 | { |
| 637 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 638 | struct snd_soc_device *socdev = rtd->socdev; |
| 639 | struct snd_soc_codec *codec = socdev->codec; |
| 640 | struct wm8750_priv *wm8750 = codec->private_data; |
| 641 | u16 iface = wm8750_read_reg_cache(codec, WM8750_IFACE) & 0x1f3; |
| 642 | u16 srate = wm8750_read_reg_cache(codec, WM8750_SRATE) & 0x1c0; |
| 643 | int coeff = get_coeff(wm8750->sysclk, params_rate(params)); |
| 644 | |
| 645 | /* bit size */ |
| 646 | switch (params_format(params)) { |
| 647 | case SNDRV_PCM_FORMAT_S16_LE: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 648 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 649 | case SNDRV_PCM_FORMAT_S20_3LE: |
| 650 | iface |= 0x0004; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 651 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 652 | case SNDRV_PCM_FORMAT_S24_LE: |
| 653 | iface |= 0x0008; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 654 | break; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 655 | case SNDRV_PCM_FORMAT_S32_LE: |
| 656 | iface |= 0x000c; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 657 | break; |
| 658 | } |
| 659 | |
| 660 | /* set iface & srate */ |
| 661 | wm8750_write(codec, WM8750_IFACE, iface); |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 662 | if (coeff >= 0) |
| 663 | wm8750_write(codec, WM8750_SRATE, srate | |
| 664 | (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 665 | |
| 666 | return 0; |
| 667 | } |
| 668 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 669 | static int wm8750_mute(struct snd_soc_codec_dai *dai, int mute) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 670 | { |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 671 | struct snd_soc_codec *codec = dai->codec; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 672 | u16 mute_reg = wm8750_read_reg_cache(codec, WM8750_ADCDAC) & 0xfff7; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 673 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 674 | if (mute) |
| 675 | wm8750_write(codec, WM8750_ADCDAC, mute_reg | 0x8); |
| 676 | else |
| 677 | wm8750_write(codec, WM8750_ADCDAC, mute_reg); |
| 678 | return 0; |
| 679 | } |
| 680 | |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 681 | static int wm8750_set_bias_level(struct snd_soc_codec *codec, |
| 682 | enum snd_soc_bias_level level) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 683 | { |
| 684 | u16 pwr_reg = wm8750_read_reg_cache(codec, WM8750_PWR1) & 0xfe3e; |
| 685 | |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 686 | switch (level) { |
| 687 | case SND_SOC_BIAS_ON: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 688 | /* set vmid to 50k and unmute dac */ |
| 689 | wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x00c0); |
| 690 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 691 | case SND_SOC_BIAS_PREPARE: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 692 | /* set vmid to 5k for quick power up */ |
| 693 | wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x01c1); |
| 694 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 695 | case SND_SOC_BIAS_STANDBY: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 696 | /* mute dac and set vmid to 500k, enable VREF */ |
| 697 | wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x0141); |
| 698 | break; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 699 | case SND_SOC_BIAS_OFF: |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 700 | wm8750_write(codec, WM8750_PWR1, 0x0001); |
| 701 | break; |
| 702 | } |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 703 | codec->bias_level = level; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 704 | return 0; |
| 705 | } |
| 706 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 707 | #define WM8750_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 708 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ |
| 709 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 710 | |
| 711 | #define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ |
| 712 | SNDRV_PCM_FMTBIT_S24_LE) |
| 713 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 714 | struct snd_soc_codec_dai wm8750_dai = { |
| 715 | .name = "WM8750", |
| 716 | .playback = { |
| 717 | .stream_name = "Playback", |
| 718 | .channels_min = 1, |
| 719 | .channels_max = 2, |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 720 | .rates = WM8750_RATES, |
| 721 | .formats = WM8750_FORMATS,}, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 722 | .capture = { |
| 723 | .stream_name = "Capture", |
| 724 | .channels_min = 1, |
| 725 | .channels_max = 2, |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 726 | .rates = WM8750_RATES, |
| 727 | .formats = WM8750_FORMATS,}, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 728 | .ops = { |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 729 | .hw_params = wm8750_pcm_hw_params, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 730 | }, |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 731 | .dai_ops = { |
| 732 | .digital_mute = wm8750_mute, |
| 733 | .set_fmt = wm8750_set_dai_fmt, |
| 734 | .set_sysclk = wm8750_set_dai_sysclk, |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 735 | }, |
| 736 | }; |
| 737 | EXPORT_SYMBOL_GPL(wm8750_dai); |
| 738 | |
Takashi Iwai | 1321b16 | 2006-12-21 11:02:06 +0100 | [diff] [blame] | 739 | static void wm8750_work(struct work_struct *work) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 740 | { |
Takashi Iwai | 1321b16 | 2006-12-21 11:02:06 +0100 | [diff] [blame] | 741 | struct snd_soc_codec *codec = |
| 742 | container_of(work, struct snd_soc_codec, delayed_work.work); |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 743 | wm8750_set_bias_level(codec, codec->bias_level); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 744 | } |
| 745 | |
| 746 | static int wm8750_suspend(struct platform_device *pdev, pm_message_t state) |
| 747 | { |
| 748 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 749 | struct snd_soc_codec *codec = socdev->codec; |
| 750 | |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 751 | wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 752 | return 0; |
| 753 | } |
| 754 | |
| 755 | static int wm8750_resume(struct platform_device *pdev) |
| 756 | { |
| 757 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 758 | struct snd_soc_codec *codec = socdev->codec; |
| 759 | int i; |
| 760 | u8 data[2]; |
| 761 | u16 *cache = codec->reg_cache; |
| 762 | |
| 763 | /* Sync reg_cache with the hardware */ |
| 764 | for (i = 0; i < ARRAY_SIZE(wm8750_reg); i++) { |
| 765 | if (i == WM8750_RESET) |
| 766 | continue; |
| 767 | data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); |
| 768 | data[1] = cache[i] & 0x00ff; |
| 769 | codec->hw_write(codec->control_data, data, 2); |
| 770 | } |
| 771 | |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 772 | wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 773 | |
| 774 | /* charge wm8750 caps */ |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 775 | if (codec->suspend_bias_level == SND_SOC_BIAS_ON) { |
| 776 | wm8750_set_bias_level(codec, SND_SOC_BIAS_PREPARE); |
| 777 | codec->bias_level = SND_SOC_BIAS_ON; |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 778 | schedule_delayed_work(&codec->delayed_work, |
| 779 | msecs_to_jiffies(1000)); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | return 0; |
| 783 | } |
| 784 | |
| 785 | /* |
| 786 | * initialise the WM8750 driver |
| 787 | * register the mixer and dsp interfaces with the kernel |
| 788 | */ |
| 789 | static int wm8750_init(struct snd_soc_device *socdev) |
| 790 | { |
| 791 | struct snd_soc_codec *codec = socdev->codec; |
| 792 | int reg, ret = 0; |
| 793 | |
| 794 | codec->name = "WM8750"; |
| 795 | codec->owner = THIS_MODULE; |
| 796 | codec->read = wm8750_read_reg_cache; |
| 797 | codec->write = wm8750_write; |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 798 | codec->set_bias_level = wm8750_set_bias_level; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 799 | codec->dai = &wm8750_dai; |
| 800 | codec->num_dai = 1; |
Takashi Iwai | 88cb429 | 2007-02-05 14:56:20 +0100 | [diff] [blame] | 801 | codec->reg_cache_size = sizeof(wm8750_reg); |
Andrew Morton | 713fb93 | 2007-05-05 12:02:25 +0200 | [diff] [blame] | 802 | codec->reg_cache = kmemdup(wm8750_reg, sizeof(wm8750_reg), GFP_KERNEL); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 803 | if (codec->reg_cache == NULL) |
| 804 | return -ENOMEM; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 805 | |
| 806 | wm8750_reset(codec); |
| 807 | |
| 808 | /* register pcms */ |
| 809 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); |
| 810 | if (ret < 0) { |
Liam Girdwood | e35115a | 2007-01-31 10:02:23 +0100 | [diff] [blame] | 811 | printk(KERN_ERR "wm8750: failed to create pcms\n"); |
| 812 | goto pcm_err; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | /* charge output caps */ |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 816 | wm8750_set_bias_level(codec, SND_SOC_BIAS_PREPARE); |
| 817 | codec->bias_level = SND_SOC_BIAS_STANDBY; |
Takashi Iwai | 1321b16 | 2006-12-21 11:02:06 +0100 | [diff] [blame] | 818 | schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000)); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 819 | |
| 820 | /* set the update bits */ |
| 821 | reg = wm8750_read_reg_cache(codec, WM8750_LDAC); |
| 822 | wm8750_write(codec, WM8750_LDAC, reg | 0x0100); |
| 823 | reg = wm8750_read_reg_cache(codec, WM8750_RDAC); |
| 824 | wm8750_write(codec, WM8750_RDAC, reg | 0x0100); |
| 825 | reg = wm8750_read_reg_cache(codec, WM8750_LOUT1V); |
| 826 | wm8750_write(codec, WM8750_LOUT1V, reg | 0x0100); |
| 827 | reg = wm8750_read_reg_cache(codec, WM8750_ROUT1V); |
| 828 | wm8750_write(codec, WM8750_ROUT1V, reg | 0x0100); |
| 829 | reg = wm8750_read_reg_cache(codec, WM8750_LOUT2V); |
| 830 | wm8750_write(codec, WM8750_LOUT2V, reg | 0x0100); |
| 831 | reg = wm8750_read_reg_cache(codec, WM8750_ROUT2V); |
| 832 | wm8750_write(codec, WM8750_ROUT2V, reg | 0x0100); |
| 833 | reg = wm8750_read_reg_cache(codec, WM8750_LINVOL); |
| 834 | wm8750_write(codec, WM8750_LINVOL, reg | 0x0100); |
| 835 | reg = wm8750_read_reg_cache(codec, WM8750_RINVOL); |
| 836 | wm8750_write(codec, WM8750_RINVOL, reg | 0x0100); |
| 837 | |
| 838 | wm8750_add_controls(codec); |
| 839 | wm8750_add_widgets(codec); |
| 840 | ret = snd_soc_register_card(socdev); |
| 841 | if (ret < 0) { |
Liam Girdwood | e35115a | 2007-01-31 10:02:23 +0100 | [diff] [blame] | 842 | printk(KERN_ERR "wm8750: failed to register card\n"); |
| 843 | goto card_err; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 844 | } |
Liam Girdwood | e35115a | 2007-01-31 10:02:23 +0100 | [diff] [blame] | 845 | return ret; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 846 | |
Liam Girdwood | e35115a | 2007-01-31 10:02:23 +0100 | [diff] [blame] | 847 | card_err: |
| 848 | snd_soc_free_pcms(socdev); |
| 849 | snd_soc_dapm_free(socdev); |
| 850 | pcm_err: |
| 851 | kfree(codec->reg_cache); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 852 | return ret; |
| 853 | } |
| 854 | |
| 855 | /* If the i2c layer weren't so broken, we could pass this kind of data |
| 856 | around */ |
| 857 | static struct snd_soc_device *wm8750_socdev; |
| 858 | |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 859 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 860 | |
| 861 | /* |
| 862 | * WM8731 2 wire address is determined by GPIO5 |
| 863 | * state during powerup. |
| 864 | * low = 0x1a |
| 865 | * high = 0x1b |
| 866 | */ |
| 867 | static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; |
| 868 | |
| 869 | /* Magic definition of all other variables and things */ |
| 870 | I2C_CLIENT_INSMOD; |
| 871 | |
| 872 | static struct i2c_driver wm8750_i2c_driver; |
| 873 | static struct i2c_client client_template; |
| 874 | |
| 875 | static int wm8750_codec_probe(struct i2c_adapter *adap, int addr, int kind) |
| 876 | { |
| 877 | struct snd_soc_device *socdev = wm8750_socdev; |
| 878 | struct wm8750_setup_data *setup = socdev->codec_data; |
| 879 | struct snd_soc_codec *codec = socdev->codec; |
| 880 | struct i2c_client *i2c; |
| 881 | int ret; |
| 882 | |
| 883 | if (addr != setup->i2c_address) |
| 884 | return -ENODEV; |
| 885 | |
| 886 | client_template.adapter = adap; |
| 887 | client_template.addr = addr; |
| 888 | |
Takashi Iwai | 88cb429 | 2007-02-05 14:56:20 +0100 | [diff] [blame] | 889 | i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 890 | if (i2c == NULL) { |
| 891 | kfree(codec); |
| 892 | return -ENOMEM; |
| 893 | } |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 894 | i2c_set_clientdata(i2c, codec); |
| 895 | codec->control_data = i2c; |
| 896 | |
| 897 | ret = i2c_attach_client(i2c); |
| 898 | if (ret < 0) { |
| 899 | err("failed to attach codec at addr %x\n", addr); |
| 900 | goto err; |
| 901 | } |
| 902 | |
| 903 | ret = wm8750_init(socdev); |
| 904 | if (ret < 0) { |
| 905 | err("failed to initialise WM8750\n"); |
| 906 | goto err; |
| 907 | } |
| 908 | return ret; |
| 909 | |
| 910 | err: |
| 911 | kfree(codec); |
| 912 | kfree(i2c); |
| 913 | return ret; |
| 914 | } |
| 915 | |
| 916 | static int wm8750_i2c_detach(struct i2c_client *client) |
| 917 | { |
| 918 | struct snd_soc_codec *codec = i2c_get_clientdata(client); |
| 919 | i2c_detach_client(client); |
| 920 | kfree(codec->reg_cache); |
| 921 | kfree(client); |
| 922 | return 0; |
| 923 | } |
| 924 | |
| 925 | static int wm8750_i2c_attach(struct i2c_adapter *adap) |
| 926 | { |
| 927 | return i2c_probe(adap, &addr_data, wm8750_codec_probe); |
| 928 | } |
| 929 | |
| 930 | /* corgi i2c codec control layer */ |
| 931 | static struct i2c_driver wm8750_i2c_driver = { |
| 932 | .driver = { |
| 933 | .name = "WM8750 I2C Codec", |
| 934 | .owner = THIS_MODULE, |
| 935 | }, |
| 936 | .id = I2C_DRIVERID_WM8750, |
| 937 | .attach_adapter = wm8750_i2c_attach, |
| 938 | .detach_client = wm8750_i2c_detach, |
| 939 | .command = NULL, |
| 940 | }; |
| 941 | |
| 942 | static struct i2c_client client_template = { |
| 943 | .name = "WM8750", |
| 944 | .driver = &wm8750_i2c_driver, |
| 945 | }; |
| 946 | #endif |
| 947 | |
| 948 | static int wm8750_probe(struct platform_device *pdev) |
| 949 | { |
| 950 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 951 | struct wm8750_setup_data *setup = socdev->codec_data; |
| 952 | struct snd_soc_codec *codec; |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 953 | struct wm8750_priv *wm8750; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 954 | int ret = 0; |
| 955 | |
| 956 | info("WM8750 Audio Codec %s", WM8750_VERSION); |
| 957 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); |
| 958 | if (codec == NULL) |
| 959 | return -ENOMEM; |
| 960 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 961 | wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL); |
| 962 | if (wm8750 == NULL) { |
| 963 | kfree(codec); |
| 964 | return -ENOMEM; |
| 965 | } |
| 966 | |
| 967 | codec->private_data = wm8750; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 968 | socdev->codec = codec; |
| 969 | mutex_init(&codec->mutex); |
| 970 | INIT_LIST_HEAD(&codec->dapm_widgets); |
| 971 | INIT_LIST_HEAD(&codec->dapm_paths); |
| 972 | wm8750_socdev = socdev; |
Takashi Iwai | 1321b16 | 2006-12-21 11:02:06 +0100 | [diff] [blame] | 973 | INIT_DELAYED_WORK(&codec->delayed_work, wm8750_work); |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 974 | |
| 975 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 976 | if (setup->i2c_address) { |
| 977 | normal_i2c[0] = setup->i2c_address; |
| 978 | codec->hw_write = (hw_write_t)i2c_master_send; |
| 979 | ret = i2c_add_driver(&wm8750_i2c_driver); |
| 980 | if (ret != 0) |
| 981 | printk(KERN_ERR "can't add i2c driver"); |
| 982 | } |
| 983 | #else |
| 984 | /* Add other interfaces here */ |
| 985 | #endif |
| 986 | |
| 987 | return ret; |
| 988 | } |
| 989 | |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 990 | /* |
| 991 | * This function forces any delayed work to be queued and run. |
| 992 | */ |
| 993 | static int run_delayed_work(struct delayed_work *dwork) |
| 994 | { |
| 995 | int ret; |
| 996 | |
| 997 | /* cancel any work waiting to be queued. */ |
| 998 | ret = cancel_delayed_work(dwork); |
| 999 | |
| 1000 | /* if there was any work waiting then we run it now and |
| 1001 | * wait for it's completion */ |
| 1002 | if (ret) { |
| 1003 | schedule_delayed_work(dwork, 0); |
| 1004 | flush_scheduled_work(); |
| 1005 | } |
| 1006 | return ret; |
| 1007 | } |
| 1008 | |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 1009 | /* power down chip */ |
| 1010 | static int wm8750_remove(struct platform_device *pdev) |
| 1011 | { |
| 1012 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| 1013 | struct snd_soc_codec *codec = socdev->codec; |
| 1014 | |
| 1015 | if (codec->control_data) |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 1016 | wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF); |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 1017 | run_delayed_work(&codec->delayed_work); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 1018 | snd_soc_free_pcms(socdev); |
| 1019 | snd_soc_dapm_free(socdev); |
Mark Brown | 42f3030 | 2008-04-23 15:17:12 +0200 | [diff] [blame] | 1020 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 1021 | i2c_del_driver(&wm8750_i2c_driver); |
| 1022 | #endif |
Liam Girdwood | 4422b60 | 2007-02-02 17:15:33 +0100 | [diff] [blame] | 1023 | kfree(codec->private_data); |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 1024 | kfree(codec); |
| 1025 | |
| 1026 | return 0; |
| 1027 | } |
| 1028 | |
| 1029 | struct snd_soc_codec_device soc_codec_dev_wm8750 = { |
| 1030 | .probe = wm8750_probe, |
| 1031 | .remove = wm8750_remove, |
| 1032 | .suspend = wm8750_suspend, |
| 1033 | .resume = wm8750_resume, |
| 1034 | }; |
Richard Purdie | abadfc9 | 2006-10-06 18:36:39 +0200 | [diff] [blame] | 1035 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750); |
| 1036 | |
| 1037 | MODULE_DESCRIPTION("ASoC WM8750 driver"); |
| 1038 | MODULE_AUTHOR("Liam Girdwood"); |
| 1039 | MODULE_LICENSE("GPL"); |