1 /* 2 * wm8753.c -- WM8753 ALSA Soc Audio driver 3 * 4 * Copyright 2003-11 Wolfson Microelectronics PLC. 5 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 * 12 * Notes: 13 * The WM8753 is a low power, high quality stereo codec with integrated PCM 14 * codec designed for portable digital telephony applications. 15 * 16 * Dual DAI:- 17 * 18 * This driver support 2 DAI PCM's. This makes the default PCM available for 19 * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for 20 * voice. 21 * 22 * Please note that the voice PCM can be connected directly to a Bluetooth 23 * codec or GSM modem and thus cannot be read or written to, although it is 24 * available to be configured with snd_hw_params(), etc and kcontrols in the 25 * normal alsa manner. 26 * 27 * Fast DAI switching:- 28 * 29 * The driver can now fast switch between the DAI configurations via a 30 * an alsa kcontrol. This allows the PCM to remain open. 31 * 32 */ 33 34 #include <linux/module.h> 35 #include <linux/moduleparam.h> 36 #include <linux/kernel.h> 37 #include <linux/init.h> 38 #include <linux/delay.h> 39 #include <linux/pm.h> 40 #include <linux/i2c.h> 41 #include <linux/of_device.h> 42 #include <linux/regmap.h> 43 #include <linux/spi/spi.h> 44 #include <linux/slab.h> 45 #include <sound/core.h> 46 #include <sound/pcm.h> 47 #include <sound/pcm_params.h> 48 #include <sound/soc.h> 49 #include <sound/initval.h> 50 #include <sound/tlv.h> 51 #include <asm/div64.h> 52 53 #include "wm8753.h" 54 55 static int caps_charge = 2000; 56 module_param(caps_charge, int, 0); 57 MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)"); 58 59 static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec *codec, 60 unsigned int fmt); 61 static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec, 62 unsigned int fmt); 63 64 /* 65 * wm8753 register cache 66 * We can't read the WM8753 register space when we 67 * are using 2 wire for device control, so we cache them instead. 68 */ 69 static const struct reg_default wm8753_reg_defaults[] = { 70 { 0x00, 0x0000 }, 71 { 0x01, 0x0008 }, 72 { 0x02, 0x0000 }, 73 { 0x03, 0x000a }, 74 { 0x04, 0x000a }, 75 { 0x05, 0x0033 }, 76 { 0x06, 0x0000 }, 77 { 0x07, 0x0007 }, 78 { 0x08, 0x00ff }, 79 { 0x09, 0x00ff }, 80 { 0x0a, 0x000f }, 81 { 0x0b, 0x000f }, 82 { 0x0c, 0x007b }, 83 { 0x0d, 0x0000 }, 84 { 0x0e, 0x0032 }, 85 { 0x0f, 0x0000 }, 86 { 0x10, 0x00c3 }, 87 { 0x11, 0x00c3 }, 88 { 0x12, 0x00c0 }, 89 { 0x13, 0x0000 }, 90 { 0x14, 0x0000 }, 91 { 0x15, 0x0000 }, 92 { 0x16, 0x0000 }, 93 { 0x17, 0x0000 }, 94 { 0x18, 0x0000 }, 95 { 0x19, 0x0000 }, 96 { 0x1a, 0x0000 }, 97 { 0x1b, 0x0000 }, 98 { 0x1c, 0x0000 }, 99 { 0x1d, 0x0000 }, 100 { 0x1e, 0x0000 }, 101 { 0x1f, 0x0000 }, 102 { 0x20, 0x0055 }, 103 { 0x21, 0x0005 }, 104 { 0x22, 0x0050 }, 105 { 0x23, 0x0055 }, 106 { 0x24, 0x0050 }, 107 { 0x25, 0x0055 }, 108 { 0x26, 0x0050 }, 109 { 0x27, 0x0055 }, 110 { 0x28, 0x0079 }, 111 { 0x29, 0x0079 }, 112 { 0x2a, 0x0079 }, 113 { 0x2b, 0x0079 }, 114 { 0x2c, 0x0079 }, 115 { 0x2d, 0x0000 }, 116 { 0x2e, 0x0000 }, 117 { 0x2f, 0x0000 }, 118 { 0x30, 0x0000 }, 119 { 0x31, 0x0097 }, 120 { 0x32, 0x0097 }, 121 { 0x33, 0x0000 }, 122 { 0x34, 0x0004 }, 123 { 0x35, 0x0000 }, 124 { 0x36, 0x0083 }, 125 { 0x37, 0x0024 }, 126 { 0x38, 0x01ba }, 127 { 0x39, 0x0000 }, 128 { 0x3a, 0x0083 }, 129 { 0x3b, 0x0024 }, 130 { 0x3c, 0x01ba }, 131 { 0x3d, 0x0000 }, 132 { 0x3e, 0x0000 }, 133 { 0x3f, 0x0000 }, 134 }; 135 136 static bool wm8753_volatile(struct device *dev, unsigned int reg) 137 { 138 return reg == WM8753_RESET; 139 } 140 141 static bool wm8753_writeable(struct device *dev, unsigned int reg) 142 { 143 return reg <= WM8753_ADCTL2; 144 } 145 146 /* codec private data */ 147 struct wm8753_priv { 148 struct regmap *regmap; 149 unsigned int sysclk; 150 unsigned int pcmclk; 151 152 unsigned int voice_fmt; 153 unsigned int hifi_fmt; 154 155 int dai_func; 156 struct delayed_work charge_work; 157 }; 158 159 #define wm8753_reset(c) snd_soc_write(c, WM8753_RESET, 0) 160 161 /* 162 * WM8753 Controls 163 */ 164 static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"}; 165 static const char *wm8753_base_filter[] = 166 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz", 167 "100Hz @ 8kHz", "200Hz @ 8kHz"}; 168 static const char *wm8753_treble[] = {"8kHz", "4kHz"}; 169 static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"}; 170 static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"}; 171 static const char *wm8753_3d_func[] = {"Capture", "Playback"}; 172 static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"}; 173 static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"}; 174 static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"}; 175 static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"}; 176 static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"}; 177 static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2", 178 "Line 1", "Line 2"}; 179 static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"}; 180 static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"}; 181 static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"}; 182 static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"}; 183 static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2", 184 "Right PGA"}; 185 static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right", 186 "Left + Right"}; 187 static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"}; 188 static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"}; 189 static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"}; 190 static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"}; 191 static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left", 192 "Analogue Mix Right", "Digital Mono Mix"}; 193 static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k", 194 "82Hz @ 8kHz", "170Hz @ 8kHz"}; 195 static const char *wm8753_adc_filter[] = {"HiFi", "Voice"}; 196 static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"}; 197 static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"}; 198 static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC", 199 "Channel Swap"}; 200 static const char *wm8753_rout2_phase[] = {"Non Inverted", "Inverted"}; 201 202 static const struct soc_enum wm8753_enum[] = { 203 SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base), 204 SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter), 205 SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble), 206 SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func), 207 SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type), 208 SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func), 209 SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc), 210 SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc), 211 SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp), 212 SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix), 213 SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase), 214 SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix), 215 SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux), 216 SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux), 217 SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux), 218 SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel), 219 SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux), 220 SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src), 221 SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3), 222 SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4), 223 SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel), 224 SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel), 225 SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc), 226 SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp), 227 SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter), 228 SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel), 229 SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode), 230 SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel), 231 SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase), 232 }; 233 234 235 static int wm8753_get_dai(struct snd_kcontrol *kcontrol, 236 struct snd_ctl_elem_value *ucontrol) 237 { 238 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 239 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 240 241 ucontrol->value.integer.value[0] = wm8753->dai_func; 242 return 0; 243 } 244 245 static int wm8753_set_dai(struct snd_kcontrol *kcontrol, 246 struct snd_ctl_elem_value *ucontrol) 247 { 248 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 249 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 250 u16 ioctl; 251 252 if (wm8753->dai_func == ucontrol->value.integer.value[0]) 253 return 0; 254 255 if (snd_soc_codec_is_active(codec)) 256 return -EBUSY; 257 258 ioctl = snd_soc_read(codec, WM8753_IOCTL); 259 260 wm8753->dai_func = ucontrol->value.integer.value[0]; 261 262 if (((ioctl >> 2) & 0x3) == wm8753->dai_func) 263 return 1; 264 265 ioctl = (ioctl & 0x1f3) | (wm8753->dai_func << 2); 266 snd_soc_write(codec, WM8753_IOCTL, ioctl); 267 268 269 wm8753_hifi_write_dai_fmt(codec, wm8753->hifi_fmt); 270 wm8753_voice_write_dai_fmt(codec, wm8753->voice_fmt); 271 272 return 1; 273 } 274 275 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 300, 0); 276 static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv, 1200, 600, 0); 277 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1); 278 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); 279 static const unsigned int out_tlv[] = { 280 TLV_DB_RANGE_HEAD(2), 281 /* 0000000 - 0101111 = "Analogue mute" */ 282 0, 48, TLV_DB_SCALE_ITEM(-25500, 0, 0), 283 48, 127, TLV_DB_SCALE_ITEM(-7300, 100, 0), 284 }; 285 static const DECLARE_TLV_DB_SCALE(mix_tlv, -1500, 300, 0); 286 static const DECLARE_TLV_DB_SCALE(voice_mix_tlv, -1200, 300, 0); 287 static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0); 288 289 static const struct snd_kcontrol_new wm8753_snd_controls[] = { 290 SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0, dac_tlv), 291 292 SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0, 293 adc_tlv), 294 295 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V, 296 0, 127, 0, out_tlv), 297 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0, 298 127, 0, out_tlv), 299 300 SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0, out_tlv), 301 302 SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7, 303 1, mix_tlv), 304 SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, 305 7, 1, mix_tlv), 306 SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, 307 1, voice_mix_tlv), 308 309 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7, 310 1, 0), 311 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7, 312 1, 0), 313 314 SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1, mix_tlv), 315 SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1, 316 mix_tlv), 317 SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2, 0, 7, 1, 318 voice_mix_tlv), 319 SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0), 320 321 SOC_ENUM("Bass Boost", wm8753_enum[0]), 322 SOC_ENUM("Bass Filter", wm8753_enum[1]), 323 SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1), 324 325 SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1), 326 SOC_ENUM("Treble Cut-off", wm8753_enum[2]), 327 328 SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1, 329 rec_mix_tlv), 330 SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1, 331 rec_mix_tlv), 332 333 SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0, 334 pga_tlv), 335 SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0), 336 SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1), 337 338 SOC_ENUM("Capture Filter Select", wm8753_enum[23]), 339 SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]), 340 SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1), 341 342 SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0), 343 SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0), 344 SOC_ENUM("ALC Capture Function", wm8753_enum[3]), 345 SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0), 346 SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1), 347 SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1), 348 SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0), 349 SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0), 350 SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]), 351 SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0), 352 353 SOC_ENUM("3D Function", wm8753_enum[5]), 354 SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]), 355 SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]), 356 SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0), 357 SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0), 358 359 SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0), 360 SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0), 361 362 SOC_ENUM("De-emphasis", wm8753_enum[8]), 363 SOC_ENUM("Playback Mono Mix", wm8753_enum[9]), 364 SOC_ENUM("Playback Phase", wm8753_enum[10]), 365 366 SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0, mic_preamp_tlv), 367 SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0, mic_preamp_tlv), 368 369 SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai), 370 371 SOC_ENUM("ADC Data Select", wm8753_enum[27]), 372 SOC_ENUM("ROUT2 Phase", wm8753_enum[28]), 373 }; 374 375 /* 376 * _DAPM_ Controls 377 */ 378 379 /* Left Mixer */ 380 static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = { 381 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0), 382 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0), 383 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0), 384 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0), 385 }; 386 387 /* Right mixer */ 388 static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = { 389 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0), 390 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0), 391 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0), 392 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0), 393 }; 394 395 /* Mono mixer */ 396 static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = { 397 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0), 398 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0), 399 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0), 400 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0), 401 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0), 402 }; 403 404 /* Mono 2 Mux */ 405 static const struct snd_kcontrol_new wm8753_mono2_controls = 406 SOC_DAPM_ENUM("Route", wm8753_enum[17]); 407 408 /* Out 3 Mux */ 409 static const struct snd_kcontrol_new wm8753_out3_controls = 410 SOC_DAPM_ENUM("Route", wm8753_enum[18]); 411 412 /* Out 4 Mux */ 413 static const struct snd_kcontrol_new wm8753_out4_controls = 414 SOC_DAPM_ENUM("Route", wm8753_enum[19]); 415 416 /* ADC Mono Mix */ 417 static const struct snd_kcontrol_new wm8753_adc_mono_controls = 418 SOC_DAPM_ENUM("Route", wm8753_enum[22]); 419 420 /* Record mixer */ 421 static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = { 422 SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0), 423 SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0), 424 SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0), 425 }; 426 427 /* Left ADC mux */ 428 static const struct snd_kcontrol_new wm8753_adc_left_controls = 429 SOC_DAPM_ENUM("Route", wm8753_enum[21]); 430 431 /* Right ADC mux */ 432 static const struct snd_kcontrol_new wm8753_adc_right_controls = 433 SOC_DAPM_ENUM("Route", wm8753_enum[20]); 434 435 /* MIC mux */ 436 static const struct snd_kcontrol_new wm8753_mic_mux_controls = 437 SOC_DAPM_ENUM("Route", wm8753_enum[16]); 438 439 /* ALC mixer */ 440 static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = { 441 SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0), 442 SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0), 443 SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0), 444 SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0), 445 }; 446 447 /* Left Line mux */ 448 static const struct snd_kcontrol_new wm8753_line_left_controls = 449 SOC_DAPM_ENUM("Route", wm8753_enum[14]); 450 451 /* Right Line mux */ 452 static const struct snd_kcontrol_new wm8753_line_right_controls = 453 SOC_DAPM_ENUM("Route", wm8753_enum[13]); 454 455 /* Mono Line mux */ 456 static const struct snd_kcontrol_new wm8753_line_mono_controls = 457 SOC_DAPM_ENUM("Route", wm8753_enum[12]); 458 459 /* Line mux and mixer */ 460 static const struct snd_kcontrol_new wm8753_line_mux_mix_controls = 461 SOC_DAPM_ENUM("Route", wm8753_enum[11]); 462 463 /* Rx mux and mixer */ 464 static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls = 465 SOC_DAPM_ENUM("Route", wm8753_enum[15]); 466 467 /* Mic Selector Mux */ 468 static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls = 469 SOC_DAPM_ENUM("Route", wm8753_enum[25]); 470 471 static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { 472 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0), 473 SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0, 474 &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)), 475 SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0), 476 SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0), 477 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0), 478 SND_SOC_DAPM_OUTPUT("LOUT1"), 479 SND_SOC_DAPM_OUTPUT("LOUT2"), 480 SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0, 481 &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)), 482 SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0), 483 SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0), 484 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0), 485 SND_SOC_DAPM_OUTPUT("ROUT1"), 486 SND_SOC_DAPM_OUTPUT("ROUT2"), 487 SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0, 488 &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)), 489 SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0), 490 SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0), 491 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0), 492 SND_SOC_DAPM_OUTPUT("MONO1"), 493 SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls), 494 SND_SOC_DAPM_OUTPUT("MONO2"), 495 SND_SOC_DAPM_MIXER("Out3 Left + Right", -1, 0, 0, NULL, 0), 496 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls), 497 SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0), 498 SND_SOC_DAPM_OUTPUT("OUT3"), 499 SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls), 500 SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0), 501 SND_SOC_DAPM_OUTPUT("OUT4"), 502 SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0, 503 &wm8753_record_mixer_controls[0], 504 ARRAY_SIZE(wm8753_record_mixer_controls)), 505 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2, 3, 0), 506 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2, 2, 0), 507 SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0, 508 &wm8753_adc_mono_controls), 509 SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0, 510 &wm8753_adc_mono_controls), 511 SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0, 512 &wm8753_adc_left_controls), 513 SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0, 514 &wm8753_adc_right_controls), 515 SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0, 516 &wm8753_mic_mux_controls), 517 SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0), 518 SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0), 519 SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0, 520 &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)), 521 SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0, 522 &wm8753_line_left_controls), 523 SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0, 524 &wm8753_line_right_controls), 525 SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0, 526 &wm8753_line_mono_controls), 527 SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2, 0, 0, 528 &wm8753_line_mux_mix_controls), 529 SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2, 1, 0, 530 &wm8753_rx_mux_mix_controls), 531 SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0), 532 SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0), 533 SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0, 534 &wm8753_mic_sel_mux_controls), 535 SND_SOC_DAPM_INPUT("LINE1"), 536 SND_SOC_DAPM_INPUT("LINE2"), 537 SND_SOC_DAPM_INPUT("RXP"), 538 SND_SOC_DAPM_INPUT("RXN"), 539 SND_SOC_DAPM_INPUT("ACIN"), 540 SND_SOC_DAPM_OUTPUT("ACOP"), 541 SND_SOC_DAPM_INPUT("MIC1N"), 542 SND_SOC_DAPM_INPUT("MIC1"), 543 SND_SOC_DAPM_INPUT("MIC2N"), 544 SND_SOC_DAPM_INPUT("MIC2"), 545 SND_SOC_DAPM_VMID("VREF"), 546 }; 547 548 static const struct snd_soc_dapm_route wm8753_dapm_routes[] = { 549 /* left mixer */ 550 {"Left Mixer", "Left Playback Switch", "Left DAC"}, 551 {"Left Mixer", "Voice Playback Switch", "Voice DAC"}, 552 {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 553 {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"}, 554 555 /* right mixer */ 556 {"Right Mixer", "Right Playback Switch", "Right DAC"}, 557 {"Right Mixer", "Voice Playback Switch", "Voice DAC"}, 558 {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 559 {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"}, 560 561 /* mono mixer */ 562 {"Mono Mixer", "Voice Playback Switch", "Voice DAC"}, 563 {"Mono Mixer", "Left Playback Switch", "Left DAC"}, 564 {"Mono Mixer", "Right Playback Switch", "Right DAC"}, 565 {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 566 {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"}, 567 568 /* left out */ 569 {"Left Out 1", NULL, "Left Mixer"}, 570 {"Left Out 2", NULL, "Left Mixer"}, 571 {"LOUT1", NULL, "Left Out 1"}, 572 {"LOUT2", NULL, "Left Out 2"}, 573 574 /* right out */ 575 {"Right Out 1", NULL, "Right Mixer"}, 576 {"Right Out 2", NULL, "Right Mixer"}, 577 {"ROUT1", NULL, "Right Out 1"}, 578 {"ROUT2", NULL, "Right Out 2"}, 579 580 /* mono 1 out */ 581 {"Mono Out 1", NULL, "Mono Mixer"}, 582 {"MONO1", NULL, "Mono Out 1"}, 583 584 /* mono 2 out */ 585 {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"}, 586 {"Mono 2 Mux", "Inverted Mono 1", "MONO1"}, 587 {"Mono 2 Mux", "Left", "Left Mixer"}, 588 {"Mono 2 Mux", "Right", "Right Mixer"}, 589 {"Mono Out 2", NULL, "Mono 2 Mux"}, 590 {"MONO2", NULL, "Mono Out 2"}, 591 592 /* out 3 */ 593 {"Out3 Left + Right", NULL, "Left Mixer"}, 594 {"Out3 Left + Right", NULL, "Right Mixer"}, 595 {"Out3 Mux", "VREF", "VREF"}, 596 {"Out3 Mux", "Left + Right", "Out3 Left + Right"}, 597 {"Out3 Mux", "ROUT2", "ROUT2"}, 598 {"Out 3", NULL, "Out3 Mux"}, 599 {"OUT3", NULL, "Out 3"}, 600 601 /* out 4 */ 602 {"Out4 Mux", "VREF", "VREF"}, 603 {"Out4 Mux", "Capture ST", "Playback Mixer"}, 604 {"Out4 Mux", "LOUT2", "LOUT2"}, 605 {"Out 4", NULL, "Out4 Mux"}, 606 {"OUT4", NULL, "Out 4"}, 607 608 /* record mixer */ 609 {"Playback Mixer", "Left Capture Switch", "Left Mixer"}, 610 {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"}, 611 {"Playback Mixer", "Right Capture Switch", "Right Mixer"}, 612 613 /* Mic/SideTone Mux */ 614 {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"}, 615 {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"}, 616 {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"}, 617 {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"}, 618 619 /* Capture Left Mux */ 620 {"Capture Left Mux", "PGA", "Left Capture Volume"}, 621 {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"}, 622 {"Capture Left Mux", "Line", "LINE1"}, 623 624 /* Capture Right Mux */ 625 {"Capture Right Mux", "PGA", "Right Capture Volume"}, 626 {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"}, 627 {"Capture Right Mux", "Sidetone", "Playback Mixer"}, 628 629 /* Mono Capture mixer-mux */ 630 {"Capture Right Mixer", "Stereo", "Capture Right Mux"}, 631 {"Capture Left Mixer", "Stereo", "Capture Left Mux"}, 632 {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"}, 633 {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"}, 634 {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"}, 635 {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"}, 636 {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"}, 637 {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"}, 638 {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"}, 639 {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"}, 640 641 /* ADC */ 642 {"Left ADC", NULL, "Capture Left Mixer"}, 643 {"Right ADC", NULL, "Capture Right Mixer"}, 644 645 /* Left Capture Volume */ 646 {"Left Capture Volume", NULL, "ACIN"}, 647 648 /* Right Capture Volume */ 649 {"Right Capture Volume", NULL, "Mic 2 Volume"}, 650 651 /* ALC Mixer */ 652 {"ALC Mixer", "Line Capture Switch", "Line Mixer"}, 653 {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"}, 654 {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"}, 655 {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"}, 656 657 /* Line Left Mux */ 658 {"Line Left Mux", "Line 1", "LINE1"}, 659 {"Line Left Mux", "Rx Mix", "Rx Mixer"}, 660 661 /* Line Right Mux */ 662 {"Line Right Mux", "Line 2", "LINE2"}, 663 {"Line Right Mux", "Rx Mix", "Rx Mixer"}, 664 665 /* Line Mono Mux */ 666 {"Line Mono Mux", "Line Mix", "Line Mixer"}, 667 {"Line Mono Mux", "Rx Mix", "Rx Mixer"}, 668 669 /* Line Mixer/Mux */ 670 {"Line Mixer", "Line 1 + 2", "LINE1"}, 671 {"Line Mixer", "Line 1 - 2", "LINE1"}, 672 {"Line Mixer", "Line 1 + 2", "LINE2"}, 673 {"Line Mixer", "Line 1 - 2", "LINE2"}, 674 {"Line Mixer", "Line 1", "LINE1"}, 675 {"Line Mixer", "Line 2", "LINE2"}, 676 677 /* Rx Mixer/Mux */ 678 {"Rx Mixer", "RXP - RXN", "RXP"}, 679 {"Rx Mixer", "RXP + RXN", "RXP"}, 680 {"Rx Mixer", "RXP - RXN", "RXN"}, 681 {"Rx Mixer", "RXP + RXN", "RXN"}, 682 {"Rx Mixer", "RXP", "RXP"}, 683 {"Rx Mixer", "RXN", "RXN"}, 684 685 /* Mic 1 Volume */ 686 {"Mic 1 Volume", NULL, "MIC1N"}, 687 {"Mic 1 Volume", NULL, "Mic Selection Mux"}, 688 689 /* Mic 2 Volume */ 690 {"Mic 2 Volume", NULL, "MIC2N"}, 691 {"Mic 2 Volume", NULL, "MIC2"}, 692 693 /* Mic Selector Mux */ 694 {"Mic Selection Mux", "Mic 1", "MIC1"}, 695 {"Mic Selection Mux", "Mic 2", "MIC2N"}, 696 {"Mic Selection Mux", "Mic 3", "MIC2"}, 697 698 /* ACOP */ 699 {"ACOP", NULL, "ALC Mixer"}, 700 }; 701 702 /* PLL divisors */ 703 struct _pll_div { 704 u32 div2:1; 705 u32 n:4; 706 u32 k:24; 707 }; 708 709 /* The size in bits of the pll divide multiplied by 10 710 * to allow rounding later */ 711 #define FIXED_PLL_SIZE ((1 << 22) * 10) 712 713 static void pll_factors(struct _pll_div *pll_div, unsigned int target, 714 unsigned int source) 715 { 716 u64 Kpart; 717 unsigned int K, Ndiv, Nmod; 718 719 Ndiv = target / source; 720 if (Ndiv < 6) { 721 source >>= 1; 722 pll_div->div2 = 1; 723 Ndiv = target / source; 724 } else 725 pll_div->div2 = 0; 726 727 if ((Ndiv < 6) || (Ndiv > 12)) 728 printk(KERN_WARNING 729 "wm8753: unsupported N = %u\n", Ndiv); 730 731 pll_div->n = Ndiv; 732 Nmod = target % source; 733 Kpart = FIXED_PLL_SIZE * (long long)Nmod; 734 735 do_div(Kpart, source); 736 737 K = Kpart & 0xFFFFFFFF; 738 739 /* Check if we need to round */ 740 if ((K % 10) >= 5) 741 K += 5; 742 743 /* Move down to proper range now rounding is done */ 744 K /= 10; 745 746 pll_div->k = K; 747 } 748 749 static int wm8753_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 750 int source, unsigned int freq_in, unsigned int freq_out) 751 { 752 u16 reg, enable; 753 int offset; 754 struct snd_soc_codec *codec = codec_dai->codec; 755 756 if (pll_id < WM8753_PLL1 || pll_id > WM8753_PLL2) 757 return -ENODEV; 758 759 if (pll_id == WM8753_PLL1) { 760 offset = 0; 761 enable = 0x10; 762 reg = snd_soc_read(codec, WM8753_CLOCK) & 0xffef; 763 } else { 764 offset = 4; 765 enable = 0x8; 766 reg = snd_soc_read(codec, WM8753_CLOCK) & 0xfff7; 767 } 768 769 if (!freq_in || !freq_out) { 770 /* disable PLL */ 771 snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0026); 772 snd_soc_write(codec, WM8753_CLOCK, reg); 773 return 0; 774 } else { 775 u16 value = 0; 776 struct _pll_div pll_div; 777 778 pll_factors(&pll_div, freq_out * 8, freq_in); 779 780 /* set up N and K PLL divisor ratios */ 781 /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */ 782 value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18); 783 snd_soc_write(codec, WM8753_PLL1CTL2 + offset, value); 784 785 /* bits 8:0 = PLL_K[17:9] */ 786 value = (pll_div.k & 0x03fe00) >> 9; 787 snd_soc_write(codec, WM8753_PLL1CTL3 + offset, value); 788 789 /* bits 8:0 = PLL_K[8:0] */ 790 value = pll_div.k & 0x0001ff; 791 snd_soc_write(codec, WM8753_PLL1CTL4 + offset, value); 792 793 /* set PLL as input and enable */ 794 snd_soc_write(codec, WM8753_PLL1CTL1 + offset, 0x0027 | 795 (pll_div.div2 << 3)); 796 snd_soc_write(codec, WM8753_CLOCK, reg | enable); 797 } 798 return 0; 799 } 800 801 struct _coeff_div { 802 u32 mclk; 803 u32 rate; 804 u8 sr:5; 805 u8 usb:1; 806 }; 807 808 /* codec hifi mclk (after PLL) clock divider coefficients */ 809 static const struct _coeff_div coeff_div[] = { 810 /* 8k */ 811 {12288000, 8000, 0x6, 0x0}, 812 {11289600, 8000, 0x16, 0x0}, 813 {18432000, 8000, 0x7, 0x0}, 814 {16934400, 8000, 0x17, 0x0}, 815 {12000000, 8000, 0x6, 0x1}, 816 817 /* 11.025k */ 818 {11289600, 11025, 0x18, 0x0}, 819 {16934400, 11025, 0x19, 0x0}, 820 {12000000, 11025, 0x19, 0x1}, 821 822 /* 16k */ 823 {12288000, 16000, 0xa, 0x0}, 824 {18432000, 16000, 0xb, 0x0}, 825 {12000000, 16000, 0xa, 0x1}, 826 827 /* 22.05k */ 828 {11289600, 22050, 0x1a, 0x0}, 829 {16934400, 22050, 0x1b, 0x0}, 830 {12000000, 22050, 0x1b, 0x1}, 831 832 /* 32k */ 833 {12288000, 32000, 0xc, 0x0}, 834 {18432000, 32000, 0xd, 0x0}, 835 {12000000, 32000, 0xa, 0x1}, 836 837 /* 44.1k */ 838 {11289600, 44100, 0x10, 0x0}, 839 {16934400, 44100, 0x11, 0x0}, 840 {12000000, 44100, 0x11, 0x1}, 841 842 /* 48k */ 843 {12288000, 48000, 0x0, 0x0}, 844 {18432000, 48000, 0x1, 0x0}, 845 {12000000, 48000, 0x0, 0x1}, 846 847 /* 88.2k */ 848 {11289600, 88200, 0x1e, 0x0}, 849 {16934400, 88200, 0x1f, 0x0}, 850 {12000000, 88200, 0x1f, 0x1}, 851 852 /* 96k */ 853 {12288000, 96000, 0xe, 0x0}, 854 {18432000, 96000, 0xf, 0x0}, 855 {12000000, 96000, 0xe, 0x1}, 856 }; 857 858 static int get_coeff(int mclk, int rate) 859 { 860 int i; 861 862 for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { 863 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) 864 return i; 865 } 866 return -EINVAL; 867 } 868 869 /* 870 * Clock after PLL and dividers 871 */ 872 static int wm8753_set_dai_sysclk(struct snd_soc_dai *codec_dai, 873 int clk_id, unsigned int freq, int dir) 874 { 875 struct snd_soc_codec *codec = codec_dai->codec; 876 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 877 878 switch (freq) { 879 case 11289600: 880 case 12000000: 881 case 12288000: 882 case 16934400: 883 case 18432000: 884 if (clk_id == WM8753_MCLK) { 885 wm8753->sysclk = freq; 886 return 0; 887 } else if (clk_id == WM8753_PCMCLK) { 888 wm8753->pcmclk = freq; 889 return 0; 890 } 891 break; 892 } 893 return -EINVAL; 894 } 895 896 /* 897 * Set's ADC and Voice DAC format. 898 */ 899 static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_codec *codec, 900 unsigned int fmt) 901 { 902 u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01ec; 903 904 /* interface format */ 905 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 906 case SND_SOC_DAIFMT_I2S: 907 voice |= 0x0002; 908 break; 909 case SND_SOC_DAIFMT_RIGHT_J: 910 break; 911 case SND_SOC_DAIFMT_LEFT_J: 912 voice |= 0x0001; 913 break; 914 case SND_SOC_DAIFMT_DSP_A: 915 voice |= 0x0003; 916 break; 917 case SND_SOC_DAIFMT_DSP_B: 918 voice |= 0x0013; 919 break; 920 default: 921 return -EINVAL; 922 } 923 924 snd_soc_write(codec, WM8753_PCM, voice); 925 return 0; 926 } 927 928 /* 929 * Set PCM DAI bit size and sample rate. 930 */ 931 static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream, 932 struct snd_pcm_hw_params *params, 933 struct snd_soc_dai *dai) 934 { 935 struct snd_soc_codec *codec = dai->codec; 936 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 937 u16 voice = snd_soc_read(codec, WM8753_PCM) & 0x01f3; 938 u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x017f; 939 940 /* bit size */ 941 switch (params_width(params)) { 942 case 16: 943 break; 944 case 20: 945 voice |= 0x0004; 946 break; 947 case 24: 948 voice |= 0x0008; 949 break; 950 case 32: 951 voice |= 0x000c; 952 break; 953 } 954 955 /* sample rate */ 956 if (params_rate(params) * 384 == wm8753->pcmclk) 957 srate |= 0x80; 958 snd_soc_write(codec, WM8753_SRATE1, srate); 959 960 snd_soc_write(codec, WM8753_PCM, voice); 961 return 0; 962 } 963 964 /* 965 * Set's PCM dai fmt and BCLK. 966 */ 967 static int wm8753_pcm_set_dai_fmt(struct snd_soc_codec *codec, 968 unsigned int fmt) 969 { 970 u16 voice, ioctl; 971 972 voice = snd_soc_read(codec, WM8753_PCM) & 0x011f; 973 ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x015d; 974 975 /* set master/slave audio interface */ 976 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 977 case SND_SOC_DAIFMT_CBS_CFS: 978 break; 979 case SND_SOC_DAIFMT_CBM_CFM: 980 ioctl |= 0x2; 981 case SND_SOC_DAIFMT_CBM_CFS: 982 voice |= 0x0040; 983 break; 984 default: 985 return -EINVAL; 986 } 987 988 /* clock inversion */ 989 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 990 case SND_SOC_DAIFMT_DSP_A: 991 case SND_SOC_DAIFMT_DSP_B: 992 /* frame inversion not valid for DSP modes */ 993 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 994 case SND_SOC_DAIFMT_NB_NF: 995 break; 996 case SND_SOC_DAIFMT_IB_NF: 997 voice |= 0x0080; 998 break; 999 default: 1000 return -EINVAL; 1001 } 1002 break; 1003 case SND_SOC_DAIFMT_I2S: 1004 case SND_SOC_DAIFMT_RIGHT_J: 1005 case SND_SOC_DAIFMT_LEFT_J: 1006 voice &= ~0x0010; 1007 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1008 case SND_SOC_DAIFMT_NB_NF: 1009 break; 1010 case SND_SOC_DAIFMT_IB_IF: 1011 voice |= 0x0090; 1012 break; 1013 case SND_SOC_DAIFMT_IB_NF: 1014 voice |= 0x0080; 1015 break; 1016 case SND_SOC_DAIFMT_NB_IF: 1017 voice |= 0x0010; 1018 break; 1019 default: 1020 return -EINVAL; 1021 } 1022 break; 1023 default: 1024 return -EINVAL; 1025 } 1026 1027 snd_soc_write(codec, WM8753_PCM, voice); 1028 snd_soc_write(codec, WM8753_IOCTL, ioctl); 1029 return 0; 1030 } 1031 1032 static int wm8753_set_dai_clkdiv(struct snd_soc_dai *codec_dai, 1033 int div_id, int div) 1034 { 1035 struct snd_soc_codec *codec = codec_dai->codec; 1036 u16 reg; 1037 1038 switch (div_id) { 1039 case WM8753_PCMDIV: 1040 reg = snd_soc_read(codec, WM8753_CLOCK) & 0x003f; 1041 snd_soc_write(codec, WM8753_CLOCK, reg | div); 1042 break; 1043 case WM8753_BCLKDIV: 1044 reg = snd_soc_read(codec, WM8753_SRATE2) & 0x01c7; 1045 snd_soc_write(codec, WM8753_SRATE2, reg | div); 1046 break; 1047 case WM8753_VXCLKDIV: 1048 reg = snd_soc_read(codec, WM8753_SRATE2) & 0x003f; 1049 snd_soc_write(codec, WM8753_SRATE2, reg | div); 1050 break; 1051 default: 1052 return -EINVAL; 1053 } 1054 return 0; 1055 } 1056 1057 /* 1058 * Set's HiFi DAC format. 1059 */ 1060 static int wm8753_hdac_set_dai_fmt(struct snd_soc_codec *codec, 1061 unsigned int fmt) 1062 { 1063 u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01e0; 1064 1065 /* interface format */ 1066 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1067 case SND_SOC_DAIFMT_I2S: 1068 hifi |= 0x0002; 1069 break; 1070 case SND_SOC_DAIFMT_RIGHT_J: 1071 break; 1072 case SND_SOC_DAIFMT_LEFT_J: 1073 hifi |= 0x0001; 1074 break; 1075 case SND_SOC_DAIFMT_DSP_A: 1076 hifi |= 0x0003; 1077 break; 1078 case SND_SOC_DAIFMT_DSP_B: 1079 hifi |= 0x0013; 1080 break; 1081 default: 1082 return -EINVAL; 1083 } 1084 1085 snd_soc_write(codec, WM8753_HIFI, hifi); 1086 return 0; 1087 } 1088 1089 /* 1090 * Set's I2S DAI format. 1091 */ 1092 static int wm8753_i2s_set_dai_fmt(struct snd_soc_codec *codec, 1093 unsigned int fmt) 1094 { 1095 u16 ioctl, hifi; 1096 1097 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x011f; 1098 ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x00ae; 1099 1100 /* set master/slave audio interface */ 1101 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1102 case SND_SOC_DAIFMT_CBS_CFS: 1103 break; 1104 case SND_SOC_DAIFMT_CBM_CFM: 1105 ioctl |= 0x1; 1106 case SND_SOC_DAIFMT_CBM_CFS: 1107 hifi |= 0x0040; 1108 break; 1109 default: 1110 return -EINVAL; 1111 } 1112 1113 /* clock inversion */ 1114 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1115 case SND_SOC_DAIFMT_DSP_A: 1116 case SND_SOC_DAIFMT_DSP_B: 1117 /* frame inversion not valid for DSP modes */ 1118 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1119 case SND_SOC_DAIFMT_NB_NF: 1120 break; 1121 case SND_SOC_DAIFMT_IB_NF: 1122 hifi |= 0x0080; 1123 break; 1124 default: 1125 return -EINVAL; 1126 } 1127 break; 1128 case SND_SOC_DAIFMT_I2S: 1129 case SND_SOC_DAIFMT_RIGHT_J: 1130 case SND_SOC_DAIFMT_LEFT_J: 1131 hifi &= ~0x0010; 1132 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1133 case SND_SOC_DAIFMT_NB_NF: 1134 break; 1135 case SND_SOC_DAIFMT_IB_IF: 1136 hifi |= 0x0090; 1137 break; 1138 case SND_SOC_DAIFMT_IB_NF: 1139 hifi |= 0x0080; 1140 break; 1141 case SND_SOC_DAIFMT_NB_IF: 1142 hifi |= 0x0010; 1143 break; 1144 default: 1145 return -EINVAL; 1146 } 1147 break; 1148 default: 1149 return -EINVAL; 1150 } 1151 1152 snd_soc_write(codec, WM8753_HIFI, hifi); 1153 snd_soc_write(codec, WM8753_IOCTL, ioctl); 1154 return 0; 1155 } 1156 1157 /* 1158 * Set PCM DAI bit size and sample rate. 1159 */ 1160 static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream, 1161 struct snd_pcm_hw_params *params, 1162 struct snd_soc_dai *dai) 1163 { 1164 struct snd_soc_codec *codec = dai->codec; 1165 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1166 u16 srate = snd_soc_read(codec, WM8753_SRATE1) & 0x01c0; 1167 u16 hifi = snd_soc_read(codec, WM8753_HIFI) & 0x01f3; 1168 int coeff; 1169 1170 /* is digital filter coefficient valid ? */ 1171 coeff = get_coeff(wm8753->sysclk, params_rate(params)); 1172 if (coeff < 0) { 1173 printk(KERN_ERR "wm8753 invalid MCLK or rate\n"); 1174 return coeff; 1175 } 1176 snd_soc_write(codec, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) | 1177 coeff_div[coeff].usb); 1178 1179 /* bit size */ 1180 switch (params_width(params)) { 1181 case 16: 1182 break; 1183 case 20: 1184 hifi |= 0x0004; 1185 break; 1186 case 24: 1187 hifi |= 0x0008; 1188 break; 1189 case 32: 1190 hifi |= 0x000c; 1191 break; 1192 } 1193 1194 snd_soc_write(codec, WM8753_HIFI, hifi); 1195 return 0; 1196 } 1197 1198 static int wm8753_mode1v_set_dai_fmt(struct snd_soc_codec *codec, 1199 unsigned int fmt) 1200 { 1201 u16 clock; 1202 1203 /* set clk source as pcmclk */ 1204 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb; 1205 snd_soc_write(codec, WM8753_CLOCK, clock); 1206 1207 return wm8753_vdac_adc_set_dai_fmt(codec, fmt); 1208 } 1209 1210 static int wm8753_mode1h_set_dai_fmt(struct snd_soc_codec *codec, 1211 unsigned int fmt) 1212 { 1213 return wm8753_hdac_set_dai_fmt(codec, fmt); 1214 } 1215 1216 static int wm8753_mode2_set_dai_fmt(struct snd_soc_codec *codec, 1217 unsigned int fmt) 1218 { 1219 u16 clock; 1220 1221 /* set clk source as pcmclk */ 1222 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb; 1223 snd_soc_write(codec, WM8753_CLOCK, clock); 1224 1225 return wm8753_vdac_adc_set_dai_fmt(codec, fmt); 1226 } 1227 1228 static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_codec *codec, 1229 unsigned int fmt) 1230 { 1231 u16 clock; 1232 1233 /* set clk source as mclk */ 1234 clock = snd_soc_read(codec, WM8753_CLOCK) & 0xfffb; 1235 snd_soc_write(codec, WM8753_CLOCK, clock | 0x4); 1236 1237 if (wm8753_hdac_set_dai_fmt(codec, fmt) < 0) 1238 return -EINVAL; 1239 return wm8753_vdac_adc_set_dai_fmt(codec, fmt); 1240 } 1241 1242 static int wm8753_hifi_write_dai_fmt(struct snd_soc_codec *codec, 1243 unsigned int fmt) 1244 { 1245 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1246 int ret = 0; 1247 1248 switch (wm8753->dai_func) { 1249 case 0: 1250 ret = wm8753_mode1h_set_dai_fmt(codec, fmt); 1251 break; 1252 case 1: 1253 ret = wm8753_mode2_set_dai_fmt(codec, fmt); 1254 break; 1255 case 2: 1256 case 3: 1257 ret = wm8753_mode3_4_set_dai_fmt(codec, fmt); 1258 break; 1259 default: 1260 break; 1261 } 1262 if (ret) 1263 return ret; 1264 1265 return wm8753_i2s_set_dai_fmt(codec, fmt); 1266 } 1267 1268 static int wm8753_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai, 1269 unsigned int fmt) 1270 { 1271 struct snd_soc_codec *codec = codec_dai->codec; 1272 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1273 1274 wm8753->hifi_fmt = fmt; 1275 1276 return wm8753_hifi_write_dai_fmt(codec, fmt); 1277 }; 1278 1279 static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec, 1280 unsigned int fmt) 1281 { 1282 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1283 int ret = 0; 1284 1285 if (wm8753->dai_func != 0) 1286 return 0; 1287 1288 ret = wm8753_mode1v_set_dai_fmt(codec, fmt); 1289 if (ret) 1290 return ret; 1291 ret = wm8753_pcm_set_dai_fmt(codec, fmt); 1292 if (ret) 1293 return ret; 1294 1295 return 0; 1296 }; 1297 1298 static int wm8753_voice_set_dai_fmt(struct snd_soc_dai *codec_dai, 1299 unsigned int fmt) 1300 { 1301 struct snd_soc_codec *codec = codec_dai->codec; 1302 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1303 1304 wm8753->voice_fmt = fmt; 1305 1306 return wm8753_voice_write_dai_fmt(codec, fmt); 1307 }; 1308 1309 static int wm8753_mute(struct snd_soc_dai *dai, int mute) 1310 { 1311 struct snd_soc_codec *codec = dai->codec; 1312 u16 mute_reg = snd_soc_read(codec, WM8753_DAC) & 0xfff7; 1313 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1314 1315 /* the digital mute covers the HiFi and Voice DAC's on the WM8753. 1316 * make sure we check if they are not both active when we mute */ 1317 if (mute && wm8753->dai_func == 1) { 1318 if (!snd_soc_codec_is_active(codec)) 1319 snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8); 1320 } else { 1321 if (mute) 1322 snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8); 1323 else 1324 snd_soc_write(codec, WM8753_DAC, mute_reg); 1325 } 1326 1327 return 0; 1328 } 1329 1330 static void wm8753_charge_work(struct work_struct *work) 1331 { 1332 struct wm8753_priv *wm8753 = 1333 container_of(work, struct wm8753_priv, charge_work.work); 1334 1335 /* Set to 500k */ 1336 regmap_update_bits(wm8753->regmap, WM8753_PWR1, 0x0180, 0x0100); 1337 } 1338 1339 static int wm8753_set_bias_level(struct snd_soc_codec *codec, 1340 enum snd_soc_bias_level level) 1341 { 1342 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1343 u16 pwr_reg = snd_soc_read(codec, WM8753_PWR1) & 0xfe3e; 1344 1345 switch (level) { 1346 case SND_SOC_BIAS_ON: 1347 /* set vmid to 50k and unmute dac */ 1348 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x00c0); 1349 break; 1350 case SND_SOC_BIAS_PREPARE: 1351 /* Wait until fully charged */ 1352 flush_delayed_work(&wm8753->charge_work); 1353 break; 1354 case SND_SOC_BIAS_STANDBY: 1355 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { 1356 /* set vmid to 5k for quick power up */ 1357 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x01c1); 1358 schedule_delayed_work(&wm8753->charge_work, 1359 msecs_to_jiffies(caps_charge)); 1360 } else { 1361 /* mute dac and set vmid to 500k, enable VREF */ 1362 snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x0141); 1363 } 1364 break; 1365 case SND_SOC_BIAS_OFF: 1366 cancel_delayed_work_sync(&wm8753->charge_work); 1367 snd_soc_write(codec, WM8753_PWR1, 0x0001); 1368 break; 1369 } 1370 return 0; 1371 } 1372 1373 #define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 1374 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 1375 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ 1376 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) 1377 1378 #define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1379 SNDRV_PCM_FMTBIT_S24_LE) 1380 1381 /* 1382 * The WM8753 supports up to 4 different and mutually exclusive DAI 1383 * configurations. This gives 2 PCM's available for use, hifi and voice. 1384 * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI 1385 * is connected between the wm8753 and a BT codec or GSM modem. 1386 * 1387 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI 1388 * 2. Voice over HIFI DAI - HIFI disabled 1389 * 3. Voice disabled - HIFI over HIFI 1390 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture 1391 */ 1392 static const struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode = { 1393 .hw_params = wm8753_i2s_hw_params, 1394 .digital_mute = wm8753_mute, 1395 .set_fmt = wm8753_hifi_set_dai_fmt, 1396 .set_clkdiv = wm8753_set_dai_clkdiv, 1397 .set_pll = wm8753_set_dai_pll, 1398 .set_sysclk = wm8753_set_dai_sysclk, 1399 }; 1400 1401 static const struct snd_soc_dai_ops wm8753_dai_ops_voice_mode = { 1402 .hw_params = wm8753_pcm_hw_params, 1403 .digital_mute = wm8753_mute, 1404 .set_fmt = wm8753_voice_set_dai_fmt, 1405 .set_clkdiv = wm8753_set_dai_clkdiv, 1406 .set_pll = wm8753_set_dai_pll, 1407 .set_sysclk = wm8753_set_dai_sysclk, 1408 }; 1409 1410 static struct snd_soc_dai_driver wm8753_dai[] = { 1411 /* DAI HiFi mode 1 */ 1412 { .name = "wm8753-hifi", 1413 .playback = { 1414 .stream_name = "HiFi Playback", 1415 .channels_min = 1, 1416 .channels_max = 2, 1417 .rates = WM8753_RATES, 1418 .formats = WM8753_FORMATS 1419 }, 1420 .capture = { /* dummy for fast DAI switching */ 1421 .stream_name = "Capture", 1422 .channels_min = 1, 1423 .channels_max = 2, 1424 .rates = WM8753_RATES, 1425 .formats = WM8753_FORMATS 1426 }, 1427 .ops = &wm8753_dai_ops_hifi_mode, 1428 }, 1429 /* DAI Voice mode 1 */ 1430 { .name = "wm8753-voice", 1431 .playback = { 1432 .stream_name = "Voice Playback", 1433 .channels_min = 1, 1434 .channels_max = 1, 1435 .rates = WM8753_RATES, 1436 .formats = WM8753_FORMATS, 1437 }, 1438 .capture = { 1439 .stream_name = "Capture", 1440 .channels_min = 1, 1441 .channels_max = 2, 1442 .rates = WM8753_RATES, 1443 .formats = WM8753_FORMATS, 1444 }, 1445 .ops = &wm8753_dai_ops_voice_mode, 1446 }, 1447 }; 1448 1449 static int wm8753_resume(struct snd_soc_codec *codec) 1450 { 1451 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1452 1453 regcache_sync(wm8753->regmap); 1454 1455 return 0; 1456 } 1457 1458 static int wm8753_probe(struct snd_soc_codec *codec) 1459 { 1460 struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec); 1461 int ret; 1462 1463 INIT_DELAYED_WORK(&wm8753->charge_work, wm8753_charge_work); 1464 1465 ret = wm8753_reset(codec); 1466 if (ret < 0) { 1467 dev_err(codec->dev, "Failed to issue reset: %d\n", ret); 1468 return ret; 1469 } 1470 1471 wm8753->dai_func = 0; 1472 1473 /* set the update bits */ 1474 snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100); 1475 snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100); 1476 snd_soc_update_bits(codec, WM8753_LADC, 0x0100, 0x0100); 1477 snd_soc_update_bits(codec, WM8753_RADC, 0x0100, 0x0100); 1478 snd_soc_update_bits(codec, WM8753_LOUT1V, 0x0100, 0x0100); 1479 snd_soc_update_bits(codec, WM8753_ROUT1V, 0x0100, 0x0100); 1480 snd_soc_update_bits(codec, WM8753_LOUT2V, 0x0100, 0x0100); 1481 snd_soc_update_bits(codec, WM8753_ROUT2V, 0x0100, 0x0100); 1482 snd_soc_update_bits(codec, WM8753_LINVOL, 0x0100, 0x0100); 1483 snd_soc_update_bits(codec, WM8753_RINVOL, 0x0100, 0x0100); 1484 1485 return 0; 1486 } 1487 1488 static struct snd_soc_codec_driver soc_codec_dev_wm8753 = { 1489 .probe = wm8753_probe, 1490 .resume = wm8753_resume, 1491 .set_bias_level = wm8753_set_bias_level, 1492 .suspend_bias_off = true, 1493 1494 .controls = wm8753_snd_controls, 1495 .num_controls = ARRAY_SIZE(wm8753_snd_controls), 1496 .dapm_widgets = wm8753_dapm_widgets, 1497 .num_dapm_widgets = ARRAY_SIZE(wm8753_dapm_widgets), 1498 .dapm_routes = wm8753_dapm_routes, 1499 .num_dapm_routes = ARRAY_SIZE(wm8753_dapm_routes), 1500 }; 1501 1502 static const struct of_device_id wm8753_of_match[] = { 1503 { .compatible = "wlf,wm8753", }, 1504 { } 1505 }; 1506 MODULE_DEVICE_TABLE(of, wm8753_of_match); 1507 1508 static const struct regmap_config wm8753_regmap = { 1509 .reg_bits = 7, 1510 .val_bits = 9, 1511 1512 .max_register = WM8753_ADCTL2, 1513 .writeable_reg = wm8753_writeable, 1514 .volatile_reg = wm8753_volatile, 1515 1516 .cache_type = REGCACHE_RBTREE, 1517 .reg_defaults = wm8753_reg_defaults, 1518 .num_reg_defaults = ARRAY_SIZE(wm8753_reg_defaults), 1519 }; 1520 1521 #if defined(CONFIG_SPI_MASTER) 1522 static int wm8753_spi_probe(struct spi_device *spi) 1523 { 1524 struct wm8753_priv *wm8753; 1525 int ret; 1526 1527 wm8753 = devm_kzalloc(&spi->dev, sizeof(struct wm8753_priv), 1528 GFP_KERNEL); 1529 if (wm8753 == NULL) 1530 return -ENOMEM; 1531 1532 spi_set_drvdata(spi, wm8753); 1533 1534 wm8753->regmap = devm_regmap_init_spi(spi, &wm8753_regmap); 1535 if (IS_ERR(wm8753->regmap)) { 1536 ret = PTR_ERR(wm8753->regmap); 1537 dev_err(&spi->dev, "Failed to allocate register map: %d\n", 1538 ret); 1539 return ret; 1540 } 1541 1542 ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8753, 1543 wm8753_dai, ARRAY_SIZE(wm8753_dai)); 1544 if (ret != 0) 1545 dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret); 1546 1547 return ret; 1548 } 1549 1550 static int wm8753_spi_remove(struct spi_device *spi) 1551 { 1552 snd_soc_unregister_codec(&spi->dev); 1553 return 0; 1554 } 1555 1556 static struct spi_driver wm8753_spi_driver = { 1557 .driver = { 1558 .name = "wm8753", 1559 .owner = THIS_MODULE, 1560 .of_match_table = wm8753_of_match, 1561 }, 1562 .probe = wm8753_spi_probe, 1563 .remove = wm8753_spi_remove, 1564 }; 1565 #endif /* CONFIG_SPI_MASTER */ 1566 1567 #if IS_ENABLED(CONFIG_I2C) 1568 static int wm8753_i2c_probe(struct i2c_client *i2c, 1569 const struct i2c_device_id *id) 1570 { 1571 struct wm8753_priv *wm8753; 1572 int ret; 1573 1574 wm8753 = devm_kzalloc(&i2c->dev, sizeof(struct wm8753_priv), 1575 GFP_KERNEL); 1576 if (wm8753 == NULL) 1577 return -ENOMEM; 1578 1579 i2c_set_clientdata(i2c, wm8753); 1580 1581 wm8753->regmap = devm_regmap_init_i2c(i2c, &wm8753_regmap); 1582 if (IS_ERR(wm8753->regmap)) { 1583 ret = PTR_ERR(wm8753->regmap); 1584 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1585 ret); 1586 return ret; 1587 } 1588 1589 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8753, 1590 wm8753_dai, ARRAY_SIZE(wm8753_dai)); 1591 if (ret != 0) 1592 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); 1593 1594 return ret; 1595 } 1596 1597 static int wm8753_i2c_remove(struct i2c_client *client) 1598 { 1599 snd_soc_unregister_codec(&client->dev); 1600 return 0; 1601 } 1602 1603 static const struct i2c_device_id wm8753_i2c_id[] = { 1604 { "wm8753", 0 }, 1605 { } 1606 }; 1607 MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id); 1608 1609 static struct i2c_driver wm8753_i2c_driver = { 1610 .driver = { 1611 .name = "wm8753", 1612 .owner = THIS_MODULE, 1613 .of_match_table = wm8753_of_match, 1614 }, 1615 .probe = wm8753_i2c_probe, 1616 .remove = wm8753_i2c_remove, 1617 .id_table = wm8753_i2c_id, 1618 }; 1619 #endif 1620 1621 static int __init wm8753_modinit(void) 1622 { 1623 int ret = 0; 1624 #if IS_ENABLED(CONFIG_I2C) 1625 ret = i2c_add_driver(&wm8753_i2c_driver); 1626 if (ret != 0) { 1627 printk(KERN_ERR "Failed to register wm8753 I2C driver: %d\n", 1628 ret); 1629 } 1630 #endif 1631 #if defined(CONFIG_SPI_MASTER) 1632 ret = spi_register_driver(&wm8753_spi_driver); 1633 if (ret != 0) { 1634 printk(KERN_ERR "Failed to register wm8753 SPI driver: %d\n", 1635 ret); 1636 } 1637 #endif 1638 return ret; 1639 } 1640 module_init(wm8753_modinit); 1641 1642 static void __exit wm8753_exit(void) 1643 { 1644 #if IS_ENABLED(CONFIG_I2C) 1645 i2c_del_driver(&wm8753_i2c_driver); 1646 #endif 1647 #if defined(CONFIG_SPI_MASTER) 1648 spi_unregister_driver(&wm8753_spi_driver); 1649 #endif 1650 } 1651 module_exit(wm8753_exit); 1652 1653 MODULE_DESCRIPTION("ASoC WM8753 driver"); 1654 MODULE_AUTHOR("Liam Girdwood"); 1655 MODULE_LICENSE("GPL"); 1656