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