| 1 | /* |
| 2 | * wm8960.c -- WM8960 ALSA SoC Audio driver |
| 3 | * |
| 4 | * Copyright 2007-11 Wolfson Microelectronics, plc |
| 5 | * |
| 6 | * Author: Liam Girdwood |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/moduleparam.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/delay.h> |
| 17 | #include <linux/pm.h> |
| 18 | #include <linux/i2c.h> |
| 19 | #include <linux/slab.h> |
| 20 | #include <sound/core.h> |
| 21 | #include <sound/pcm.h> |
| 22 | #include <sound/pcm_params.h> |
| 23 | #include <sound/soc.h> |
| 24 | #include <sound/initval.h> |
| 25 | #include <sound/tlv.h> |
| 26 | #include <sound/wm8960.h> |
| 27 | |
| 28 | #include "wm8960.h" |
| 29 | |
| 30 | /* R25 - Power 1 */ |
| 31 | #define WM8960_VMID_MASK 0x180 |
| 32 | #define WM8960_VREF 0x40 |
| 33 | |
| 34 | /* R26 - Power 2 */ |
| 35 | #define WM8960_PWR2_LOUT1 0x40 |
| 36 | #define WM8960_PWR2_ROUT1 0x20 |
| 37 | #define WM8960_PWR2_OUT3 0x02 |
| 38 | |
| 39 | /* R28 - Anti-pop 1 */ |
| 40 | #define WM8960_POBCTRL 0x80 |
| 41 | #define WM8960_BUFDCOPEN 0x10 |
| 42 | #define WM8960_BUFIOEN 0x08 |
| 43 | #define WM8960_SOFT_ST 0x04 |
| 44 | #define WM8960_HPSTBY 0x01 |
| 45 | |
| 46 | /* R29 - Anti-pop 2 */ |
| 47 | #define WM8960_DISOP 0x40 |
| 48 | #define WM8960_DRES_MASK 0x30 |
| 49 | |
| 50 | /* |
| 51 | * wm8960 register cache |
| 52 | * We can't read the WM8960 register space when we are |
| 53 | * using 2 wire for device control, so we cache them instead. |
| 54 | */ |
| 55 | static const struct reg_default wm8960_reg_defaults[] = { |
| 56 | { 0x0, 0x00a7 }, |
| 57 | { 0x1, 0x00a7 }, |
| 58 | { 0x2, 0x0000 }, |
| 59 | { 0x3, 0x0000 }, |
| 60 | { 0x4, 0x0000 }, |
| 61 | { 0x5, 0x0008 }, |
| 62 | { 0x6, 0x0000 }, |
| 63 | { 0x7, 0x000a }, |
| 64 | { 0x8, 0x01c0 }, |
| 65 | { 0x9, 0x0000 }, |
| 66 | { 0xa, 0x00ff }, |
| 67 | { 0xb, 0x00ff }, |
| 68 | |
| 69 | { 0x10, 0x0000 }, |
| 70 | { 0x11, 0x007b }, |
| 71 | { 0x12, 0x0100 }, |
| 72 | { 0x13, 0x0032 }, |
| 73 | { 0x14, 0x0000 }, |
| 74 | { 0x15, 0x00c3 }, |
| 75 | { 0x16, 0x00c3 }, |
| 76 | { 0x17, 0x01c0 }, |
| 77 | { 0x18, 0x0000 }, |
| 78 | { 0x19, 0x0000 }, |
| 79 | { 0x1a, 0x0000 }, |
| 80 | { 0x1b, 0x0000 }, |
| 81 | { 0x1c, 0x0000 }, |
| 82 | { 0x1d, 0x0000 }, |
| 83 | |
| 84 | { 0x20, 0x0100 }, |
| 85 | { 0x21, 0x0100 }, |
| 86 | { 0x22, 0x0050 }, |
| 87 | |
| 88 | { 0x25, 0x0050 }, |
| 89 | { 0x26, 0x0000 }, |
| 90 | { 0x27, 0x0000 }, |
| 91 | { 0x28, 0x0000 }, |
| 92 | { 0x29, 0x0000 }, |
| 93 | { 0x2a, 0x0040 }, |
| 94 | { 0x2b, 0x0000 }, |
| 95 | { 0x2c, 0x0000 }, |
| 96 | { 0x2d, 0x0050 }, |
| 97 | { 0x2e, 0x0050 }, |
| 98 | { 0x2f, 0x0000 }, |
| 99 | { 0x30, 0x0002 }, |
| 100 | { 0x31, 0x0037 }, |
| 101 | |
| 102 | { 0x33, 0x0080 }, |
| 103 | { 0x34, 0x0008 }, |
| 104 | { 0x35, 0x0031 }, |
| 105 | { 0x36, 0x0026 }, |
| 106 | { 0x37, 0x00e9 }, |
| 107 | }; |
| 108 | |
| 109 | static bool wm8960_volatile(struct device *dev, unsigned int reg) |
| 110 | { |
| 111 | switch (reg) { |
| 112 | case WM8960_RESET: |
| 113 | return true; |
| 114 | default: |
| 115 | return false; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | struct wm8960_priv { |
| 120 | struct regmap *regmap; |
| 121 | int (*set_bias_level)(struct snd_soc_codec *, |
| 122 | enum snd_soc_bias_level level); |
| 123 | struct snd_soc_dapm_widget *lout1; |
| 124 | struct snd_soc_dapm_widget *rout1; |
| 125 | struct snd_soc_dapm_widget *out3; |
| 126 | bool deemph; |
| 127 | int playback_fs; |
| 128 | }; |
| 129 | |
| 130 | #define wm8960_reset(c) snd_soc_write(c, WM8960_RESET, 0) |
| 131 | |
| 132 | /* enumerated controls */ |
| 133 | static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted", |
| 134 | "Right Inverted", "Stereo Inversion"}; |
| 135 | static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"}; |
| 136 | static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"}; |
| 137 | static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"}; |
| 138 | static const char *wm8960_alcmode[] = {"ALC", "Limiter"}; |
| 139 | |
| 140 | static const struct soc_enum wm8960_enum[] = { |
| 141 | SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity), |
| 142 | SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity), |
| 143 | SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff), |
| 144 | SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff), |
| 145 | SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc), |
| 146 | SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode), |
| 147 | }; |
| 148 | |
| 149 | static const int deemph_settings[] = { 0, 32000, 44100, 48000 }; |
| 150 | |
| 151 | static int wm8960_set_deemph(struct snd_soc_codec *codec) |
| 152 | { |
| 153 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 154 | int val, i, best; |
| 155 | |
| 156 | /* If we're using deemphasis select the nearest available sample |
| 157 | * rate. |
| 158 | */ |
| 159 | if (wm8960->deemph) { |
| 160 | best = 1; |
| 161 | for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { |
| 162 | if (abs(deemph_settings[i] - wm8960->playback_fs) < |
| 163 | abs(deemph_settings[best] - wm8960->playback_fs)) |
| 164 | best = i; |
| 165 | } |
| 166 | |
| 167 | val = best << 1; |
| 168 | } else { |
| 169 | val = 0; |
| 170 | } |
| 171 | |
| 172 | dev_dbg(codec->dev, "Set deemphasis %d\n", val); |
| 173 | |
| 174 | return snd_soc_update_bits(codec, WM8960_DACCTL1, |
| 175 | 0x6, val); |
| 176 | } |
| 177 | |
| 178 | static int wm8960_get_deemph(struct snd_kcontrol *kcontrol, |
| 179 | struct snd_ctl_elem_value *ucontrol) |
| 180 | { |
| 181 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
| 182 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 183 | |
| 184 | ucontrol->value.enumerated.item[0] = wm8960->deemph; |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static int wm8960_put_deemph(struct snd_kcontrol *kcontrol, |
| 189 | struct snd_ctl_elem_value *ucontrol) |
| 190 | { |
| 191 | struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); |
| 192 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 193 | int deemph = ucontrol->value.enumerated.item[0]; |
| 194 | |
| 195 | if (deemph > 1) |
| 196 | return -EINVAL; |
| 197 | |
| 198 | wm8960->deemph = deemph; |
| 199 | |
| 200 | return wm8960_set_deemph(codec); |
| 201 | } |
| 202 | |
| 203 | static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0); |
| 204 | static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1); |
| 205 | static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0); |
| 206 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); |
| 207 | static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1); |
| 208 | |
| 209 | static const struct snd_kcontrol_new wm8960_snd_controls[] = { |
| 210 | SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL, |
| 211 | 0, 63, 0, adc_tlv), |
| 212 | SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL, |
| 213 | 6, 1, 0), |
| 214 | SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL, |
| 215 | 7, 1, 0), |
| 216 | |
| 217 | SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume", |
| 218 | WM8960_INBMIX1, 4, 7, 0, boost_tlv), |
| 219 | SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume", |
| 220 | WM8960_INBMIX1, 1, 7, 0, boost_tlv), |
| 221 | SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume", |
| 222 | WM8960_INBMIX2, 4, 7, 0, boost_tlv), |
| 223 | SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume", |
| 224 | WM8960_INBMIX2, 1, 7, 0, boost_tlv), |
| 225 | |
| 226 | SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC, |
| 227 | 0, 255, 0, dac_tlv), |
| 228 | |
| 229 | SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1, |
| 230 | 0, 127, 0, out_tlv), |
| 231 | SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1, |
| 232 | 7, 1, 0), |
| 233 | |
| 234 | SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2, |
| 235 | 0, 127, 0, out_tlv), |
| 236 | SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2, |
| 237 | 7, 1, 0), |
| 238 | SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0), |
| 239 | SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0), |
| 240 | |
| 241 | SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0), |
| 242 | SOC_ENUM("ADC Polarity", wm8960_enum[0]), |
| 243 | SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0), |
| 244 | |
| 245 | SOC_ENUM("DAC Polarity", wm8960_enum[2]), |
| 246 | SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, |
| 247 | wm8960_get_deemph, wm8960_put_deemph), |
| 248 | |
| 249 | SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]), |
| 250 | SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]), |
| 251 | SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0), |
| 252 | SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0), |
| 253 | |
| 254 | SOC_ENUM("ALC Function", wm8960_enum[4]), |
| 255 | SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0), |
| 256 | SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1), |
| 257 | SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0), |
| 258 | SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0), |
| 259 | SOC_ENUM("ALC Mode", wm8960_enum[5]), |
| 260 | SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0), |
| 261 | SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0), |
| 262 | |
| 263 | SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0), |
| 264 | SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0), |
| 265 | |
| 266 | SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC, |
| 267 | 0, 255, 0, adc_tlv), |
| 268 | |
| 269 | SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume", |
| 270 | WM8960_BYPASS1, 4, 7, 1, bypass_tlv), |
| 271 | SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume", |
| 272 | WM8960_LOUTMIX, 4, 7, 1, bypass_tlv), |
| 273 | SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume", |
| 274 | WM8960_BYPASS2, 4, 7, 1, bypass_tlv), |
| 275 | SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume", |
| 276 | WM8960_ROUTMIX, 4, 7, 1, bypass_tlv), |
| 277 | }; |
| 278 | |
| 279 | static const struct snd_kcontrol_new wm8960_lin_boost[] = { |
| 280 | SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0), |
| 281 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0), |
| 282 | SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0), |
| 283 | }; |
| 284 | |
| 285 | static const struct snd_kcontrol_new wm8960_lin[] = { |
| 286 | SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0), |
| 287 | }; |
| 288 | |
| 289 | static const struct snd_kcontrol_new wm8960_rin_boost[] = { |
| 290 | SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0), |
| 291 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0), |
| 292 | SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0), |
| 293 | }; |
| 294 | |
| 295 | static const struct snd_kcontrol_new wm8960_rin[] = { |
| 296 | SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0), |
| 297 | }; |
| 298 | |
| 299 | static const struct snd_kcontrol_new wm8960_loutput_mixer[] = { |
| 300 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0), |
| 301 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0), |
| 302 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0), |
| 303 | }; |
| 304 | |
| 305 | static const struct snd_kcontrol_new wm8960_routput_mixer[] = { |
| 306 | SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0), |
| 307 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0), |
| 308 | SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0), |
| 309 | }; |
| 310 | |
| 311 | static const struct snd_kcontrol_new wm8960_mono_out[] = { |
| 312 | SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0), |
| 313 | SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0), |
| 314 | }; |
| 315 | |
| 316 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = { |
| 317 | SND_SOC_DAPM_INPUT("LINPUT1"), |
| 318 | SND_SOC_DAPM_INPUT("RINPUT1"), |
| 319 | SND_SOC_DAPM_INPUT("LINPUT2"), |
| 320 | SND_SOC_DAPM_INPUT("RINPUT2"), |
| 321 | SND_SOC_DAPM_INPUT("LINPUT3"), |
| 322 | SND_SOC_DAPM_INPUT("RINPUT3"), |
| 323 | |
| 324 | SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0), |
| 325 | |
| 326 | SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0, |
| 327 | wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)), |
| 328 | SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0, |
| 329 | wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)), |
| 330 | |
| 331 | SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0, |
| 332 | wm8960_lin, ARRAY_SIZE(wm8960_lin)), |
| 333 | SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0, |
| 334 | wm8960_rin, ARRAY_SIZE(wm8960_rin)), |
| 335 | |
| 336 | SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0), |
| 337 | SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0), |
| 338 | |
| 339 | SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0), |
| 340 | SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0), |
| 341 | |
| 342 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0, |
| 343 | &wm8960_loutput_mixer[0], |
| 344 | ARRAY_SIZE(wm8960_loutput_mixer)), |
| 345 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0, |
| 346 | &wm8960_routput_mixer[0], |
| 347 | ARRAY_SIZE(wm8960_routput_mixer)), |
| 348 | |
| 349 | SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0), |
| 350 | SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0), |
| 351 | |
| 352 | SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0), |
| 353 | SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0), |
| 354 | |
| 355 | SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0), |
| 356 | SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0), |
| 357 | |
| 358 | SND_SOC_DAPM_OUTPUT("SPK_LP"), |
| 359 | SND_SOC_DAPM_OUTPUT("SPK_LN"), |
| 360 | SND_SOC_DAPM_OUTPUT("HP_L"), |
| 361 | SND_SOC_DAPM_OUTPUT("HP_R"), |
| 362 | SND_SOC_DAPM_OUTPUT("SPK_RP"), |
| 363 | SND_SOC_DAPM_OUTPUT("SPK_RN"), |
| 364 | SND_SOC_DAPM_OUTPUT("OUT3"), |
| 365 | }; |
| 366 | |
| 367 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = { |
| 368 | SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0, |
| 369 | &wm8960_mono_out[0], |
| 370 | ARRAY_SIZE(wm8960_mono_out)), |
| 371 | }; |
| 372 | |
| 373 | /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */ |
| 374 | static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = { |
| 375 | SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0), |
| 376 | }; |
| 377 | |
| 378 | static const struct snd_soc_dapm_route audio_paths[] = { |
| 379 | { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" }, |
| 380 | { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" }, |
| 381 | { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" }, |
| 382 | |
| 383 | { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", }, |
| 384 | { "Left Input Mixer", NULL, "LINPUT1", }, /* Really Boost Switch */ |
| 385 | { "Left Input Mixer", NULL, "LINPUT2" }, |
| 386 | { "Left Input Mixer", NULL, "LINPUT3" }, |
| 387 | |
| 388 | { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" }, |
| 389 | { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" }, |
| 390 | { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" }, |
| 391 | |
| 392 | { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", }, |
| 393 | { "Right Input Mixer", NULL, "RINPUT1", }, /* Really Boost Switch */ |
| 394 | { "Right Input Mixer", NULL, "RINPUT2" }, |
| 395 | { "Right Input Mixer", NULL, "LINPUT3" }, |
| 396 | |
| 397 | { "Left ADC", NULL, "Left Input Mixer" }, |
| 398 | { "Right ADC", NULL, "Right Input Mixer" }, |
| 399 | |
| 400 | { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" }, |
| 401 | { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} , |
| 402 | { "Left Output Mixer", "PCM Playback Switch", "Left DAC" }, |
| 403 | |
| 404 | { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" }, |
| 405 | { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } , |
| 406 | { "Right Output Mixer", "PCM Playback Switch", "Right DAC" }, |
| 407 | |
| 408 | { "LOUT1 PGA", NULL, "Left Output Mixer" }, |
| 409 | { "ROUT1 PGA", NULL, "Right Output Mixer" }, |
| 410 | |
| 411 | { "HP_L", NULL, "LOUT1 PGA" }, |
| 412 | { "HP_R", NULL, "ROUT1 PGA" }, |
| 413 | |
| 414 | { "Left Speaker PGA", NULL, "Left Output Mixer" }, |
| 415 | { "Right Speaker PGA", NULL, "Right Output Mixer" }, |
| 416 | |
| 417 | { "Left Speaker Output", NULL, "Left Speaker PGA" }, |
| 418 | { "Right Speaker Output", NULL, "Right Speaker PGA" }, |
| 419 | |
| 420 | { "SPK_LN", NULL, "Left Speaker Output" }, |
| 421 | { "SPK_LP", NULL, "Left Speaker Output" }, |
| 422 | { "SPK_RN", NULL, "Right Speaker Output" }, |
| 423 | { "SPK_RP", NULL, "Right Speaker Output" }, |
| 424 | }; |
| 425 | |
| 426 | static const struct snd_soc_dapm_route audio_paths_out3[] = { |
| 427 | { "Mono Output Mixer", "Left Switch", "Left Output Mixer" }, |
| 428 | { "Mono Output Mixer", "Right Switch", "Right Output Mixer" }, |
| 429 | |
| 430 | { "OUT3", NULL, "Mono Output Mixer", } |
| 431 | }; |
| 432 | |
| 433 | static const struct snd_soc_dapm_route audio_paths_capless[] = { |
| 434 | { "HP_L", NULL, "OUT3 VMID" }, |
| 435 | { "HP_R", NULL, "OUT3 VMID" }, |
| 436 | |
| 437 | { "OUT3 VMID", NULL, "Left Output Mixer" }, |
| 438 | { "OUT3 VMID", NULL, "Right Output Mixer" }, |
| 439 | }; |
| 440 | |
| 441 | static int wm8960_add_widgets(struct snd_soc_codec *codec) |
| 442 | { |
| 443 | struct wm8960_data *pdata = codec->dev->platform_data; |
| 444 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 445 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
| 446 | struct snd_soc_dapm_widget *w; |
| 447 | |
| 448 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets, |
| 449 | ARRAY_SIZE(wm8960_dapm_widgets)); |
| 450 | |
| 451 | snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths)); |
| 452 | |
| 453 | /* In capless mode OUT3 is used to provide VMID for the |
| 454 | * headphone outputs, otherwise it is used as a mono mixer. |
| 455 | */ |
| 456 | if (pdata && pdata->capless) { |
| 457 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless, |
| 458 | ARRAY_SIZE(wm8960_dapm_widgets_capless)); |
| 459 | |
| 460 | snd_soc_dapm_add_routes(dapm, audio_paths_capless, |
| 461 | ARRAY_SIZE(audio_paths_capless)); |
| 462 | } else { |
| 463 | snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3, |
| 464 | ARRAY_SIZE(wm8960_dapm_widgets_out3)); |
| 465 | |
| 466 | snd_soc_dapm_add_routes(dapm, audio_paths_out3, |
| 467 | ARRAY_SIZE(audio_paths_out3)); |
| 468 | } |
| 469 | |
| 470 | /* We need to power up the headphone output stage out of |
| 471 | * sequence for capless mode. To save scanning the widget |
| 472 | * list each time to find the desired power state do so now |
| 473 | * and save the result. |
| 474 | */ |
| 475 | list_for_each_entry(w, &codec->component.card->widgets, list) { |
| 476 | if (w->dapm != &codec->dapm) |
| 477 | continue; |
| 478 | if (strcmp(w->name, "LOUT1 PGA") == 0) |
| 479 | wm8960->lout1 = w; |
| 480 | if (strcmp(w->name, "ROUT1 PGA") == 0) |
| 481 | wm8960->rout1 = w; |
| 482 | if (strcmp(w->name, "OUT3 VMID") == 0) |
| 483 | wm8960->out3 = w; |
| 484 | } |
| 485 | |
| 486 | return 0; |
| 487 | } |
| 488 | |
| 489 | static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai, |
| 490 | unsigned int fmt) |
| 491 | { |
| 492 | struct snd_soc_codec *codec = codec_dai->codec; |
| 493 | u16 iface = 0; |
| 494 | |
| 495 | /* set master/slave audio interface */ |
| 496 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 497 | case SND_SOC_DAIFMT_CBM_CFM: |
| 498 | iface |= 0x0040; |
| 499 | break; |
| 500 | case SND_SOC_DAIFMT_CBS_CFS: |
| 501 | break; |
| 502 | default: |
| 503 | return -EINVAL; |
| 504 | } |
| 505 | |
| 506 | /* interface format */ |
| 507 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 508 | case SND_SOC_DAIFMT_I2S: |
| 509 | iface |= 0x0002; |
| 510 | break; |
| 511 | case SND_SOC_DAIFMT_RIGHT_J: |
| 512 | break; |
| 513 | case SND_SOC_DAIFMT_LEFT_J: |
| 514 | iface |= 0x0001; |
| 515 | break; |
| 516 | case SND_SOC_DAIFMT_DSP_A: |
| 517 | iface |= 0x0003; |
| 518 | break; |
| 519 | case SND_SOC_DAIFMT_DSP_B: |
| 520 | iface |= 0x0013; |
| 521 | break; |
| 522 | default: |
| 523 | return -EINVAL; |
| 524 | } |
| 525 | |
| 526 | /* clock inversion */ |
| 527 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
| 528 | case SND_SOC_DAIFMT_NB_NF: |
| 529 | break; |
| 530 | case SND_SOC_DAIFMT_IB_IF: |
| 531 | iface |= 0x0090; |
| 532 | break; |
| 533 | case SND_SOC_DAIFMT_IB_NF: |
| 534 | iface |= 0x0080; |
| 535 | break; |
| 536 | case SND_SOC_DAIFMT_NB_IF: |
| 537 | iface |= 0x0010; |
| 538 | break; |
| 539 | default: |
| 540 | return -EINVAL; |
| 541 | } |
| 542 | |
| 543 | /* set iface */ |
| 544 | snd_soc_write(codec, WM8960_IFACE1, iface); |
| 545 | return 0; |
| 546 | } |
| 547 | |
| 548 | static struct { |
| 549 | int rate; |
| 550 | unsigned int val; |
| 551 | } alc_rates[] = { |
| 552 | { 48000, 0 }, |
| 553 | { 44100, 0 }, |
| 554 | { 32000, 1 }, |
| 555 | { 22050, 2 }, |
| 556 | { 24000, 2 }, |
| 557 | { 16000, 3 }, |
| 558 | { 11250, 4 }, |
| 559 | { 12000, 4 }, |
| 560 | { 8000, 5 }, |
| 561 | }; |
| 562 | |
| 563 | static int wm8960_hw_params(struct snd_pcm_substream *substream, |
| 564 | struct snd_pcm_hw_params *params, |
| 565 | struct snd_soc_dai *dai) |
| 566 | { |
| 567 | struct snd_soc_codec *codec = dai->codec; |
| 568 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 569 | u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3; |
| 570 | int i; |
| 571 | |
| 572 | /* bit size */ |
| 573 | switch (params_width(params)) { |
| 574 | case 16: |
| 575 | break; |
| 576 | case 20: |
| 577 | iface |= 0x0004; |
| 578 | break; |
| 579 | case 24: |
| 580 | iface |= 0x0008; |
| 581 | break; |
| 582 | default: |
| 583 | dev_err(codec->dev, "unsupported width %d\n", |
| 584 | params_width(params)); |
| 585 | return -EINVAL; |
| 586 | } |
| 587 | |
| 588 | /* Update filters for the new rate */ |
| 589 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 590 | wm8960->playback_fs = params_rate(params); |
| 591 | wm8960_set_deemph(codec); |
| 592 | } else { |
| 593 | for (i = 0; i < ARRAY_SIZE(alc_rates); i++) |
| 594 | if (alc_rates[i].rate == params_rate(params)) |
| 595 | snd_soc_update_bits(codec, |
| 596 | WM8960_ADDCTL3, 0x7, |
| 597 | alc_rates[i].val); |
| 598 | } |
| 599 | |
| 600 | /* set iface */ |
| 601 | snd_soc_write(codec, WM8960_IFACE1, iface); |
| 602 | return 0; |
| 603 | } |
| 604 | |
| 605 | static int wm8960_mute(struct snd_soc_dai *dai, int mute) |
| 606 | { |
| 607 | struct snd_soc_codec *codec = dai->codec; |
| 608 | |
| 609 | if (mute) |
| 610 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0x8); |
| 611 | else |
| 612 | snd_soc_update_bits(codec, WM8960_DACCTL1, 0x8, 0); |
| 613 | return 0; |
| 614 | } |
| 615 | |
| 616 | static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec, |
| 617 | enum snd_soc_bias_level level) |
| 618 | { |
| 619 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 620 | |
| 621 | switch (level) { |
| 622 | case SND_SOC_BIAS_ON: |
| 623 | break; |
| 624 | |
| 625 | case SND_SOC_BIAS_PREPARE: |
| 626 | /* Set VMID to 2x50k */ |
| 627 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80); |
| 628 | break; |
| 629 | |
| 630 | case SND_SOC_BIAS_STANDBY: |
| 631 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
| 632 | regcache_sync(wm8960->regmap); |
| 633 | |
| 634 | /* Enable anti-pop features */ |
| 635 | snd_soc_write(codec, WM8960_APOP1, |
| 636 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 637 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); |
| 638 | |
| 639 | /* Enable & ramp VMID at 2x50k */ |
| 640 | snd_soc_update_bits(codec, WM8960_POWER1, 0x80, 0x80); |
| 641 | msleep(100); |
| 642 | |
| 643 | /* Enable VREF */ |
| 644 | snd_soc_update_bits(codec, WM8960_POWER1, WM8960_VREF, |
| 645 | WM8960_VREF); |
| 646 | |
| 647 | /* Disable anti-pop features */ |
| 648 | snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN); |
| 649 | } |
| 650 | |
| 651 | /* Set VMID to 2x250k */ |
| 652 | snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100); |
| 653 | break; |
| 654 | |
| 655 | case SND_SOC_BIAS_OFF: |
| 656 | /* Enable anti-pop features */ |
| 657 | snd_soc_write(codec, WM8960_APOP1, |
| 658 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 659 | WM8960_BUFDCOPEN | WM8960_BUFIOEN); |
| 660 | |
| 661 | /* Disable VMID and VREF, let them discharge */ |
| 662 | snd_soc_write(codec, WM8960_POWER1, 0); |
| 663 | msleep(600); |
| 664 | break; |
| 665 | } |
| 666 | |
| 667 | codec->dapm.bias_level = level; |
| 668 | |
| 669 | return 0; |
| 670 | } |
| 671 | |
| 672 | static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec, |
| 673 | enum snd_soc_bias_level level) |
| 674 | { |
| 675 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 676 | int reg; |
| 677 | |
| 678 | switch (level) { |
| 679 | case SND_SOC_BIAS_ON: |
| 680 | break; |
| 681 | |
| 682 | case SND_SOC_BIAS_PREPARE: |
| 683 | switch (codec->dapm.bias_level) { |
| 684 | case SND_SOC_BIAS_STANDBY: |
| 685 | /* Enable anti pop mode */ |
| 686 | snd_soc_update_bits(codec, WM8960_APOP1, |
| 687 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 688 | WM8960_BUFDCOPEN, |
| 689 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 690 | WM8960_BUFDCOPEN); |
| 691 | |
| 692 | /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */ |
| 693 | reg = 0; |
| 694 | if (wm8960->lout1 && wm8960->lout1->power) |
| 695 | reg |= WM8960_PWR2_LOUT1; |
| 696 | if (wm8960->rout1 && wm8960->rout1->power) |
| 697 | reg |= WM8960_PWR2_ROUT1; |
| 698 | if (wm8960->out3 && wm8960->out3->power) |
| 699 | reg |= WM8960_PWR2_OUT3; |
| 700 | snd_soc_update_bits(codec, WM8960_POWER2, |
| 701 | WM8960_PWR2_LOUT1 | |
| 702 | WM8960_PWR2_ROUT1 | |
| 703 | WM8960_PWR2_OUT3, reg); |
| 704 | |
| 705 | /* Enable VMID at 2*50k */ |
| 706 | snd_soc_update_bits(codec, WM8960_POWER1, |
| 707 | WM8960_VMID_MASK, 0x80); |
| 708 | |
| 709 | /* Ramp */ |
| 710 | msleep(100); |
| 711 | |
| 712 | /* Enable VREF */ |
| 713 | snd_soc_update_bits(codec, WM8960_POWER1, |
| 714 | WM8960_VREF, WM8960_VREF); |
| 715 | |
| 716 | msleep(100); |
| 717 | break; |
| 718 | |
| 719 | case SND_SOC_BIAS_ON: |
| 720 | /* Enable anti-pop mode */ |
| 721 | snd_soc_update_bits(codec, WM8960_APOP1, |
| 722 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 723 | WM8960_BUFDCOPEN, |
| 724 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 725 | WM8960_BUFDCOPEN); |
| 726 | |
| 727 | /* Disable VMID and VREF */ |
| 728 | snd_soc_update_bits(codec, WM8960_POWER1, |
| 729 | WM8960_VREF | WM8960_VMID_MASK, 0); |
| 730 | break; |
| 731 | |
| 732 | case SND_SOC_BIAS_OFF: |
| 733 | regcache_sync(wm8960->regmap); |
| 734 | break; |
| 735 | default: |
| 736 | break; |
| 737 | } |
| 738 | break; |
| 739 | |
| 740 | case SND_SOC_BIAS_STANDBY: |
| 741 | switch (codec->dapm.bias_level) { |
| 742 | case SND_SOC_BIAS_PREPARE: |
| 743 | /* Disable HP discharge */ |
| 744 | snd_soc_update_bits(codec, WM8960_APOP2, |
| 745 | WM8960_DISOP | WM8960_DRES_MASK, |
| 746 | 0); |
| 747 | |
| 748 | /* Disable anti-pop features */ |
| 749 | snd_soc_update_bits(codec, WM8960_APOP1, |
| 750 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 751 | WM8960_BUFDCOPEN, |
| 752 | WM8960_POBCTRL | WM8960_SOFT_ST | |
| 753 | WM8960_BUFDCOPEN); |
| 754 | break; |
| 755 | |
| 756 | default: |
| 757 | break; |
| 758 | } |
| 759 | break; |
| 760 | |
| 761 | case SND_SOC_BIAS_OFF: |
| 762 | break; |
| 763 | } |
| 764 | |
| 765 | codec->dapm.bias_level = level; |
| 766 | |
| 767 | return 0; |
| 768 | } |
| 769 | |
| 770 | /* PLL divisors */ |
| 771 | struct _pll_div { |
| 772 | u32 pre_div:1; |
| 773 | u32 n:4; |
| 774 | u32 k:24; |
| 775 | }; |
| 776 | |
| 777 | /* The size in bits of the pll divide multiplied by 10 |
| 778 | * to allow rounding later */ |
| 779 | #define FIXED_PLL_SIZE ((1 << 24) * 10) |
| 780 | |
| 781 | static int pll_factors(unsigned int source, unsigned int target, |
| 782 | struct _pll_div *pll_div) |
| 783 | { |
| 784 | unsigned long long Kpart; |
| 785 | unsigned int K, Ndiv, Nmod; |
| 786 | |
| 787 | pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target); |
| 788 | |
| 789 | /* Scale up target to PLL operating frequency */ |
| 790 | target *= 4; |
| 791 | |
| 792 | Ndiv = target / source; |
| 793 | if (Ndiv < 6) { |
| 794 | source >>= 1; |
| 795 | pll_div->pre_div = 1; |
| 796 | Ndiv = target / source; |
| 797 | } else |
| 798 | pll_div->pre_div = 0; |
| 799 | |
| 800 | if ((Ndiv < 6) || (Ndiv > 12)) { |
| 801 | pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv); |
| 802 | return -EINVAL; |
| 803 | } |
| 804 | |
| 805 | pll_div->n = Ndiv; |
| 806 | Nmod = target % source; |
| 807 | Kpart = FIXED_PLL_SIZE * (long long)Nmod; |
| 808 | |
| 809 | do_div(Kpart, source); |
| 810 | |
| 811 | K = Kpart & 0xFFFFFFFF; |
| 812 | |
| 813 | /* Check if we need to round */ |
| 814 | if ((K % 10) >= 5) |
| 815 | K += 5; |
| 816 | |
| 817 | /* Move down to proper range now rounding is done */ |
| 818 | K /= 10; |
| 819 | |
| 820 | pll_div->k = K; |
| 821 | |
| 822 | pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n", |
| 823 | pll_div->n, pll_div->k, pll_div->pre_div); |
| 824 | |
| 825 | return 0; |
| 826 | } |
| 827 | |
| 828 | static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, |
| 829 | int source, unsigned int freq_in, unsigned int freq_out) |
| 830 | { |
| 831 | struct snd_soc_codec *codec = codec_dai->codec; |
| 832 | u16 reg; |
| 833 | static struct _pll_div pll_div; |
| 834 | int ret; |
| 835 | |
| 836 | if (freq_in && freq_out) { |
| 837 | ret = pll_factors(freq_in, freq_out, &pll_div); |
| 838 | if (ret != 0) |
| 839 | return ret; |
| 840 | } |
| 841 | |
| 842 | /* Disable the PLL: even if we are changing the frequency the |
| 843 | * PLL needs to be disabled while we do so. */ |
| 844 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0); |
| 845 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0); |
| 846 | |
| 847 | if (!freq_in || !freq_out) |
| 848 | return 0; |
| 849 | |
| 850 | reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f; |
| 851 | reg |= pll_div.pre_div << 4; |
| 852 | reg |= pll_div.n; |
| 853 | |
| 854 | if (pll_div.k) { |
| 855 | reg |= 0x20; |
| 856 | |
| 857 | snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff); |
| 858 | snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff); |
| 859 | snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff); |
| 860 | } |
| 861 | snd_soc_write(codec, WM8960_PLL1, reg); |
| 862 | |
| 863 | /* Turn it on */ |
| 864 | snd_soc_update_bits(codec, WM8960_POWER2, 0x1, 0x1); |
| 865 | msleep(250); |
| 866 | snd_soc_update_bits(codec, WM8960_CLOCK1, 0x1, 0x1); |
| 867 | |
| 868 | return 0; |
| 869 | } |
| 870 | |
| 871 | static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai, |
| 872 | int div_id, int div) |
| 873 | { |
| 874 | struct snd_soc_codec *codec = codec_dai->codec; |
| 875 | u16 reg; |
| 876 | |
| 877 | switch (div_id) { |
| 878 | case WM8960_SYSCLKDIV: |
| 879 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9; |
| 880 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); |
| 881 | break; |
| 882 | case WM8960_DACDIV: |
| 883 | reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7; |
| 884 | snd_soc_write(codec, WM8960_CLOCK1, reg | div); |
| 885 | break; |
| 886 | case WM8960_OPCLKDIV: |
| 887 | reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f; |
| 888 | snd_soc_write(codec, WM8960_PLL1, reg | div); |
| 889 | break; |
| 890 | case WM8960_DCLKDIV: |
| 891 | reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f; |
| 892 | snd_soc_write(codec, WM8960_CLOCK2, reg | div); |
| 893 | break; |
| 894 | case WM8960_TOCLKSEL: |
| 895 | reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd; |
| 896 | snd_soc_write(codec, WM8960_ADDCTL1, reg | div); |
| 897 | break; |
| 898 | default: |
| 899 | return -EINVAL; |
| 900 | } |
| 901 | |
| 902 | return 0; |
| 903 | } |
| 904 | |
| 905 | static int wm8960_set_bias_level(struct snd_soc_codec *codec, |
| 906 | enum snd_soc_bias_level level) |
| 907 | { |
| 908 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 909 | |
| 910 | return wm8960->set_bias_level(codec, level); |
| 911 | } |
| 912 | |
| 913 | #define WM8960_RATES SNDRV_PCM_RATE_8000_48000 |
| 914 | |
| 915 | #define WM8960_FORMATS \ |
| 916 | (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ |
| 917 | SNDRV_PCM_FMTBIT_S24_LE) |
| 918 | |
| 919 | static const struct snd_soc_dai_ops wm8960_dai_ops = { |
| 920 | .hw_params = wm8960_hw_params, |
| 921 | .digital_mute = wm8960_mute, |
| 922 | .set_fmt = wm8960_set_dai_fmt, |
| 923 | .set_clkdiv = wm8960_set_dai_clkdiv, |
| 924 | .set_pll = wm8960_set_dai_pll, |
| 925 | }; |
| 926 | |
| 927 | static struct snd_soc_dai_driver wm8960_dai = { |
| 928 | .name = "wm8960-hifi", |
| 929 | .playback = { |
| 930 | .stream_name = "Playback", |
| 931 | .channels_min = 1, |
| 932 | .channels_max = 2, |
| 933 | .rates = WM8960_RATES, |
| 934 | .formats = WM8960_FORMATS,}, |
| 935 | .capture = { |
| 936 | .stream_name = "Capture", |
| 937 | .channels_min = 1, |
| 938 | .channels_max = 2, |
| 939 | .rates = WM8960_RATES, |
| 940 | .formats = WM8960_FORMATS,}, |
| 941 | .ops = &wm8960_dai_ops, |
| 942 | .symmetric_rates = 1, |
| 943 | }; |
| 944 | |
| 945 | static int wm8960_suspend(struct snd_soc_codec *codec) |
| 946 | { |
| 947 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 948 | |
| 949 | wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 950 | return 0; |
| 951 | } |
| 952 | |
| 953 | static int wm8960_resume(struct snd_soc_codec *codec) |
| 954 | { |
| 955 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 956 | |
| 957 | wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 958 | return 0; |
| 959 | } |
| 960 | |
| 961 | static int wm8960_probe(struct snd_soc_codec *codec) |
| 962 | { |
| 963 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 964 | struct wm8960_data *pdata = dev_get_platdata(codec->dev); |
| 965 | int ret; |
| 966 | |
| 967 | wm8960->set_bias_level = wm8960_set_bias_level_out3; |
| 968 | |
| 969 | if (!pdata) { |
| 970 | dev_warn(codec->dev, "No platform data supplied\n"); |
| 971 | } else { |
| 972 | if (pdata->capless) |
| 973 | wm8960->set_bias_level = wm8960_set_bias_level_capless; |
| 974 | } |
| 975 | |
| 976 | ret = wm8960_reset(codec); |
| 977 | if (ret < 0) { |
| 978 | dev_err(codec->dev, "Failed to issue reset\n"); |
| 979 | return ret; |
| 980 | } |
| 981 | |
| 982 | wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 983 | |
| 984 | /* Latch the update bits */ |
| 985 | snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100); |
| 986 | snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100); |
| 987 | snd_soc_update_bits(codec, WM8960_LADC, 0x100, 0x100); |
| 988 | snd_soc_update_bits(codec, WM8960_RADC, 0x100, 0x100); |
| 989 | snd_soc_update_bits(codec, WM8960_LDAC, 0x100, 0x100); |
| 990 | snd_soc_update_bits(codec, WM8960_RDAC, 0x100, 0x100); |
| 991 | snd_soc_update_bits(codec, WM8960_LOUT1, 0x100, 0x100); |
| 992 | snd_soc_update_bits(codec, WM8960_ROUT1, 0x100, 0x100); |
| 993 | snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100); |
| 994 | snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100); |
| 995 | |
| 996 | snd_soc_add_codec_controls(codec, wm8960_snd_controls, |
| 997 | ARRAY_SIZE(wm8960_snd_controls)); |
| 998 | wm8960_add_widgets(codec); |
| 999 | |
| 1000 | return 0; |
| 1001 | } |
| 1002 | |
| 1003 | /* power down chip */ |
| 1004 | static int wm8960_remove(struct snd_soc_codec *codec) |
| 1005 | { |
| 1006 | struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); |
| 1007 | |
| 1008 | wm8960->set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 1009 | return 0; |
| 1010 | } |
| 1011 | |
| 1012 | static struct snd_soc_codec_driver soc_codec_dev_wm8960 = { |
| 1013 | .probe = wm8960_probe, |
| 1014 | .remove = wm8960_remove, |
| 1015 | .suspend = wm8960_suspend, |
| 1016 | .resume = wm8960_resume, |
| 1017 | .set_bias_level = wm8960_set_bias_level, |
| 1018 | }; |
| 1019 | |
| 1020 | static const struct regmap_config wm8960_regmap = { |
| 1021 | .reg_bits = 7, |
| 1022 | .val_bits = 9, |
| 1023 | .max_register = WM8960_PLL4, |
| 1024 | |
| 1025 | .reg_defaults = wm8960_reg_defaults, |
| 1026 | .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults), |
| 1027 | .cache_type = REGCACHE_RBTREE, |
| 1028 | |
| 1029 | .volatile_reg = wm8960_volatile, |
| 1030 | }; |
| 1031 | |
| 1032 | static int wm8960_i2c_probe(struct i2c_client *i2c, |
| 1033 | const struct i2c_device_id *id) |
| 1034 | { |
| 1035 | struct wm8960_data *pdata = dev_get_platdata(&i2c->dev); |
| 1036 | struct wm8960_priv *wm8960; |
| 1037 | int ret; |
| 1038 | |
| 1039 | wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv), |
| 1040 | GFP_KERNEL); |
| 1041 | if (wm8960 == NULL) |
| 1042 | return -ENOMEM; |
| 1043 | |
| 1044 | wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap); |
| 1045 | if (IS_ERR(wm8960->regmap)) |
| 1046 | return PTR_ERR(wm8960->regmap); |
| 1047 | |
| 1048 | if (pdata && pdata->shared_lrclk) { |
| 1049 | ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, |
| 1050 | 0x4, 0x4); |
| 1051 | if (ret != 0) { |
| 1052 | dev_err(&i2c->dev, "Failed to enable LRCM: %d\n", |
| 1053 | ret); |
| 1054 | return ret; |
| 1055 | } |
| 1056 | } |
| 1057 | |
| 1058 | i2c_set_clientdata(i2c, wm8960); |
| 1059 | |
| 1060 | ret = snd_soc_register_codec(&i2c->dev, |
| 1061 | &soc_codec_dev_wm8960, &wm8960_dai, 1); |
| 1062 | |
| 1063 | return ret; |
| 1064 | } |
| 1065 | |
| 1066 | static int wm8960_i2c_remove(struct i2c_client *client) |
| 1067 | { |
| 1068 | snd_soc_unregister_codec(&client->dev); |
| 1069 | return 0; |
| 1070 | } |
| 1071 | |
| 1072 | static const struct i2c_device_id wm8960_i2c_id[] = { |
| 1073 | { "wm8960", 0 }, |
| 1074 | { } |
| 1075 | }; |
| 1076 | MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id); |
| 1077 | |
| 1078 | static struct i2c_driver wm8960_i2c_driver = { |
| 1079 | .driver = { |
| 1080 | .name = "wm8960", |
| 1081 | .owner = THIS_MODULE, |
| 1082 | }, |
| 1083 | .probe = wm8960_i2c_probe, |
| 1084 | .remove = wm8960_i2c_remove, |
| 1085 | .id_table = wm8960_i2c_id, |
| 1086 | }; |
| 1087 | |
| 1088 | module_i2c_driver(wm8960_i2c_driver); |
| 1089 | |
| 1090 | MODULE_DESCRIPTION("ASoC WM8960 driver"); |
| 1091 | MODULE_AUTHOR("Liam Girdwood"); |
| 1092 | MODULE_LICENSE("GPL"); |