1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * wm8753.c -- WM8753 ALSA Soc Audio driver 4 * 5 * Copyright 2003-11 Wolfson Microelectronics PLC. 6 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 7 * 8 * Notes: 9 * The WM8753 is a low power, high quality stereo codec with integrated PCM 10 * codec designed for portable digital telephony applications. 11 * 12 * Dual DAI:- 13 * 14 * This driver support 2 DAI PCM's. This makes the default PCM available for 15 * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for 16 * voice. 17 * 18 * Please note that the voice PCM can be connected directly to a Bluetooth 19 * codec or GSM modem and thus cannot be read or written to, although it is 20 * available to be configured with snd_hw_params(), etc and kcontrols in the 21 * normal alsa manner. 22 * 23 * Fast DAI switching:- 24 * 25 * The driver can now fast switch between the DAI configurations via a 26 * an alsa kcontrol. This allows the PCM to remain open. 27 */ 28 29 #include <linux/module.h> 30 #include <linux/kernel.h> 31 #include <linux/init.h> 32 #include <linux/delay.h> 33 #include <linux/pm.h> 34 #include <linux/i2c.h> 35 #include <linux/of_device.h> 36 #include <linux/regmap.h> 37 #include <linux/spi/spi.h> 38 #include <linux/slab.h> 39 #include <sound/core.h> 40 #include <sound/pcm.h> 41 #include <sound/pcm_params.h> 42 #include <sound/soc.h> 43 #include <sound/initval.h> 44 #include <sound/tlv.h> 45 #include <asm/div64.h> 46 47 #include "wm8753.h" 48 49 static int caps_charge = 2000; 50 module_param(caps_charge, int, 0); 51 MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)"); 52 53 static int wm8753_hifi_write_dai_fmt(struct snd_soc_component *component, 54 unsigned int fmt); 55 static int wm8753_voice_write_dai_fmt(struct snd_soc_component *component, 56 unsigned int fmt); 57 58 /* 59 * wm8753 register cache 60 * We can't read the WM8753 register space when we 61 * are using 2 wire for device control, so we cache them instead. 62 */ 63 static const struct reg_default wm8753_reg_defaults[] = { 64 { 0x00, 0x0000 }, 65 { 0x01, 0x0008 }, 66 { 0x02, 0x0000 }, 67 { 0x03, 0x000a }, 68 { 0x04, 0x000a }, 69 { 0x05, 0x0033 }, 70 { 0x06, 0x0000 }, 71 { 0x07, 0x0007 }, 72 { 0x08, 0x00ff }, 73 { 0x09, 0x00ff }, 74 { 0x0a, 0x000f }, 75 { 0x0b, 0x000f }, 76 { 0x0c, 0x007b }, 77 { 0x0d, 0x0000 }, 78 { 0x0e, 0x0032 }, 79 { 0x0f, 0x0000 }, 80 { 0x10, 0x00c3 }, 81 { 0x11, 0x00c3 }, 82 { 0x12, 0x00c0 }, 83 { 0x13, 0x0000 }, 84 { 0x14, 0x0000 }, 85 { 0x15, 0x0000 }, 86 { 0x16, 0x0000 }, 87 { 0x17, 0x0000 }, 88 { 0x18, 0x0000 }, 89 { 0x19, 0x0000 }, 90 { 0x1a, 0x0000 }, 91 { 0x1b, 0x0000 }, 92 { 0x1c, 0x0000 }, 93 { 0x1d, 0x0000 }, 94 { 0x1e, 0x0000 }, 95 { 0x1f, 0x0000 }, 96 { 0x20, 0x0055 }, 97 { 0x21, 0x0005 }, 98 { 0x22, 0x0050 }, 99 { 0x23, 0x0055 }, 100 { 0x24, 0x0050 }, 101 { 0x25, 0x0055 }, 102 { 0x26, 0x0050 }, 103 { 0x27, 0x0055 }, 104 { 0x28, 0x0079 }, 105 { 0x29, 0x0079 }, 106 { 0x2a, 0x0079 }, 107 { 0x2b, 0x0079 }, 108 { 0x2c, 0x0079 }, 109 { 0x2d, 0x0000 }, 110 { 0x2e, 0x0000 }, 111 { 0x2f, 0x0000 }, 112 { 0x30, 0x0000 }, 113 { 0x31, 0x0097 }, 114 { 0x32, 0x0097 }, 115 { 0x33, 0x0000 }, 116 { 0x34, 0x0004 }, 117 { 0x35, 0x0000 }, 118 { 0x36, 0x0083 }, 119 { 0x37, 0x0024 }, 120 { 0x38, 0x01ba }, 121 { 0x39, 0x0000 }, 122 { 0x3a, 0x0083 }, 123 { 0x3b, 0x0024 }, 124 { 0x3c, 0x01ba }, 125 { 0x3d, 0x0000 }, 126 { 0x3e, 0x0000 }, 127 { 0x3f, 0x0000 }, 128 }; 129 130 static bool wm8753_volatile(struct device *dev, unsigned int reg) 131 { 132 return reg == WM8753_RESET; 133 } 134 135 /* codec private data */ 136 struct wm8753_priv { 137 struct regmap *regmap; 138 unsigned int sysclk; 139 unsigned int pcmclk; 140 141 unsigned int voice_fmt; 142 unsigned int hifi_fmt; 143 144 int dai_func; 145 struct delayed_work charge_work; 146 }; 147 148 #define wm8753_reset(c) snd_soc_component_write(c, WM8753_RESET, 0) 149 150 /* 151 * WM8753 Controls 152 */ 153 static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"}; 154 static const char *wm8753_base_filter[] = 155 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz", 156 "100Hz @ 8kHz", "200Hz @ 8kHz"}; 157 static const char *wm8753_treble[] = {"8kHz", "4kHz"}; 158 static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"}; 159 static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"}; 160 static const char *wm8753_3d_func[] = {"Capture", "Playback"}; 161 static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"}; 162 static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"}; 163 static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"}; 164 static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"}; 165 static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"}; 166 static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2", 167 "Line 1", "Line 2"}; 168 static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"}; 169 static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"}; 170 static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"}; 171 static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"}; 172 static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2", 173 "Right PGA"}; 174 static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right", 175 "Left + Right"}; 176 static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"}; 177 static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"}; 178 static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"}; 179 static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"}; 180 static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left", 181 "Analogue Mix Right", "Digital Mono Mix"}; 182 static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k", 183 "82Hz @ 8kHz", "170Hz @ 8kHz"}; 184 static const char *wm8753_adc_filter[] = {"HiFi", "Voice"}; 185 static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"}; 186 static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"}; 187 static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC", 188 "Channel Swap"}; 189 static const char *wm8753_rout2_phase[] = {"Non Inverted", "Inverted"}; 190 191 static const struct soc_enum wm8753_enum[] = { 192 SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base), 193 SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter), 194 SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble), 195 SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func), 196 SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type), 197 SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func), 198 SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc), 199 SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc), 200 SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp), 201 SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix), 202 SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase), 203 SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix), 204 SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux), 205 SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux), 206 SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux), 207 SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel), 208 SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux), 209 SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src), 210 SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3), 211 SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4), 212 SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel), 213 SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel), 214 SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc), 215 SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp), 216 SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter), 217 SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel), 218 SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode), 219 SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel), 220 SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase), 221 }; 222 223 224 static int wm8753_get_dai(struct snd_kcontrol *kcontrol, 225 struct snd_ctl_elem_value *ucontrol) 226 { 227 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 228 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 229 230 ucontrol->value.enumerated.item[0] = wm8753->dai_func; 231 return 0; 232 } 233 234 static int wm8753_set_dai(struct snd_kcontrol *kcontrol, 235 struct snd_ctl_elem_value *ucontrol) 236 { 237 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 238 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 239 u16 ioctl; 240 241 if (wm8753->dai_func == ucontrol->value.enumerated.item[0]) 242 return 0; 243 244 if (snd_soc_component_active(component)) 245 return -EBUSY; 246 247 ioctl = snd_soc_component_read(component, WM8753_IOCTL); 248 249 wm8753->dai_func = ucontrol->value.enumerated.item[0]; 250 251 if (((ioctl >> 2) & 0x3) == wm8753->dai_func) 252 return 1; 253 254 ioctl = (ioctl & 0x1f3) | (wm8753->dai_func << 2); 255 snd_soc_component_write(component, WM8753_IOCTL, ioctl); 256 257 258 wm8753_hifi_write_dai_fmt(component, wm8753->hifi_fmt); 259 wm8753_voice_write_dai_fmt(component, wm8753->voice_fmt); 260 261 return 1; 262 } 263 264 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 300, 0); 265 static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv, 1200, 600, 0); 266 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1); 267 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); 268 static const DECLARE_TLV_DB_RANGE(out_tlv, 269 /* 0000000 - 0101111 = "Analogue mute" */ 270 0, 48, TLV_DB_SCALE_ITEM(-25500, 0, 0), 271 48, 127, TLV_DB_SCALE_ITEM(-7300, 100, 0) 272 ); 273 static const DECLARE_TLV_DB_SCALE(mix_tlv, -1500, 300, 0); 274 static const DECLARE_TLV_DB_SCALE(voice_mix_tlv, -1200, 300, 0); 275 static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0); 276 277 static const struct snd_kcontrol_new wm8753_snd_controls[] = { 278 SOC_SINGLE("Hi-Fi DAC Left/Right channel Swap", WM8753_HIFI, 5, 1, 0), 279 SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0, dac_tlv), 280 281 SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0, 282 adc_tlv), 283 284 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V, 285 0, 127, 0, out_tlv), 286 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0, 287 127, 0, out_tlv), 288 289 SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0, out_tlv), 290 291 SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7, 292 1, mix_tlv), 293 SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, 294 7, 1, mix_tlv), 295 SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, 296 1, voice_mix_tlv), 297 298 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7, 299 1, 0), 300 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7, 301 1, 0), 302 303 SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1, mix_tlv), 304 SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1, 305 mix_tlv), 306 SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2, 0, 7, 1, 307 voice_mix_tlv), 308 SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0), 309 310 SOC_ENUM("Bass Boost", wm8753_enum[0]), 311 SOC_ENUM("Bass Filter", wm8753_enum[1]), 312 SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1), 313 314 SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1), 315 SOC_ENUM("Treble Cut-off", wm8753_enum[2]), 316 317 SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1, 318 rec_mix_tlv), 319 SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1, 320 rec_mix_tlv), 321 322 SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0, 323 pga_tlv), 324 SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0), 325 SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1), 326 327 SOC_ENUM("Capture Filter Select", wm8753_enum[23]), 328 SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]), 329 SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1), 330 331 SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0), 332 SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0), 333 SOC_ENUM("ALC Capture Function", wm8753_enum[3]), 334 SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0), 335 SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1), 336 SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1), 337 SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0), 338 SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0), 339 SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]), 340 SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0), 341 342 SOC_ENUM("3D Function", wm8753_enum[5]), 343 SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]), 344 SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]), 345 SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0), 346 SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0), 347 348 SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0), 349 SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0), 350 351 SOC_ENUM("De-emphasis", wm8753_enum[8]), 352 SOC_ENUM("Playback Mono Mix", wm8753_enum[9]), 353 SOC_ENUM("Playback Phase", wm8753_enum[10]), 354 355 SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0, mic_preamp_tlv), 356 SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0, mic_preamp_tlv), 357 358 SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai), 359 360 SOC_ENUM("ADC Data Select", wm8753_enum[27]), 361 SOC_ENUM("ROUT2 Phase", wm8753_enum[28]), 362 }; 363 364 /* 365 * _DAPM_ Controls 366 */ 367 368 /* Left Mixer */ 369 static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = { 370 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0), 371 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0), 372 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0), 373 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0), 374 }; 375 376 /* Right mixer */ 377 static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = { 378 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0), 379 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0), 380 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0), 381 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0), 382 }; 383 384 /* Mono mixer */ 385 static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = { 386 SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0), 387 SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0), 388 SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0), 389 SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0), 390 SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0), 391 }; 392 393 /* Mono 2 Mux */ 394 static const struct snd_kcontrol_new wm8753_mono2_controls = 395 SOC_DAPM_ENUM("Route", wm8753_enum[17]); 396 397 /* Out 3 Mux */ 398 static const struct snd_kcontrol_new wm8753_out3_controls = 399 SOC_DAPM_ENUM("Route", wm8753_enum[18]); 400 401 /* Out 4 Mux */ 402 static const struct snd_kcontrol_new wm8753_out4_controls = 403 SOC_DAPM_ENUM("Route", wm8753_enum[19]); 404 405 /* ADC Mono Mix */ 406 static const struct snd_kcontrol_new wm8753_adc_mono_controls = 407 SOC_DAPM_ENUM("Route", wm8753_enum[22]); 408 409 /* Record mixer */ 410 static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = { 411 SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0), 412 SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0), 413 SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0), 414 }; 415 416 /* Left ADC mux */ 417 static const struct snd_kcontrol_new wm8753_adc_left_controls = 418 SOC_DAPM_ENUM("Route", wm8753_enum[21]); 419 420 /* Right ADC mux */ 421 static const struct snd_kcontrol_new wm8753_adc_right_controls = 422 SOC_DAPM_ENUM("Route", wm8753_enum[20]); 423 424 /* MIC mux */ 425 static const struct snd_kcontrol_new wm8753_mic_mux_controls = 426 SOC_DAPM_ENUM("Route", wm8753_enum[16]); 427 428 /* ALC mixer */ 429 static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = { 430 SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0), 431 SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0), 432 SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0), 433 SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0), 434 }; 435 436 /* Left Line mux */ 437 static const struct snd_kcontrol_new wm8753_line_left_controls = 438 SOC_DAPM_ENUM("Route", wm8753_enum[14]); 439 440 /* Right Line mux */ 441 static const struct snd_kcontrol_new wm8753_line_right_controls = 442 SOC_DAPM_ENUM("Route", wm8753_enum[13]); 443 444 /* Mono Line mux */ 445 static const struct snd_kcontrol_new wm8753_line_mono_controls = 446 SOC_DAPM_ENUM("Route", wm8753_enum[12]); 447 448 /* Line mux and mixer */ 449 static const struct snd_kcontrol_new wm8753_line_mux_mix_controls = 450 SOC_DAPM_ENUM("Route", wm8753_enum[11]); 451 452 /* Rx mux and mixer */ 453 static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls = 454 SOC_DAPM_ENUM("Route", wm8753_enum[15]); 455 456 /* Mic Selector Mux */ 457 static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls = 458 SOC_DAPM_ENUM("Route", wm8753_enum[25]); 459 460 static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { 461 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0), 462 SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0, 463 &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)), 464 SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0), 465 SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0), 466 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0), 467 SND_SOC_DAPM_OUTPUT("LOUT1"), 468 SND_SOC_DAPM_OUTPUT("LOUT2"), 469 SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0, 470 &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)), 471 SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0), 472 SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0), 473 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0), 474 SND_SOC_DAPM_OUTPUT("ROUT1"), 475 SND_SOC_DAPM_OUTPUT("ROUT2"), 476 SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0, 477 &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)), 478 SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0), 479 SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0), 480 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0), 481 SND_SOC_DAPM_OUTPUT("MONO1"), 482 SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls), 483 SND_SOC_DAPM_OUTPUT("MONO2"), 484 SND_SOC_DAPM_MIXER("Out3 Left + Right", SND_SOC_NOPM, 0, 0, NULL, 0), 485 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls), 486 SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0), 487 SND_SOC_DAPM_OUTPUT("OUT3"), 488 SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls), 489 SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0), 490 SND_SOC_DAPM_OUTPUT("OUT4"), 491 SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0, 492 &wm8753_record_mixer_controls[0], 493 ARRAY_SIZE(wm8753_record_mixer_controls)), 494 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2, 3, 0), 495 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2, 2, 0), 496 SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0, 497 &wm8753_adc_mono_controls), 498 SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0, 499 &wm8753_adc_mono_controls), 500 SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0, 501 &wm8753_adc_left_controls), 502 SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0, 503 &wm8753_adc_right_controls), 504 SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0, 505 &wm8753_mic_mux_controls), 506 SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0), 507 SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0), 508 SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0, 509 &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)), 510 SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0, 511 &wm8753_line_left_controls), 512 SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0, 513 &wm8753_line_right_controls), 514 SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0, 515 &wm8753_line_mono_controls), 516 SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2, 0, 0, 517 &wm8753_line_mux_mix_controls), 518 SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2, 1, 0, 519 &wm8753_rx_mux_mix_controls), 520 SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0), 521 SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0), 522 SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0, 523 &wm8753_mic_sel_mux_controls), 524 SND_SOC_DAPM_INPUT("LINE1"), 525 SND_SOC_DAPM_INPUT("LINE2"), 526 SND_SOC_DAPM_INPUT("RXP"), 527 SND_SOC_DAPM_INPUT("RXN"), 528 SND_SOC_DAPM_INPUT("ACIN"), 529 SND_SOC_DAPM_OUTPUT("ACOP"), 530 SND_SOC_DAPM_INPUT("MIC1N"), 531 SND_SOC_DAPM_INPUT("MIC1"), 532 SND_SOC_DAPM_INPUT("MIC2N"), 533 SND_SOC_DAPM_INPUT("MIC2"), 534 SND_SOC_DAPM_VMID("VREF"), 535 }; 536 537 static const struct snd_soc_dapm_route wm8753_dapm_routes[] = { 538 /* left mixer */ 539 {"Left Mixer", "Left Playback Switch", "Left DAC"}, 540 {"Left Mixer", "Voice Playback Switch", "Voice DAC"}, 541 {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 542 {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"}, 543 544 /* right mixer */ 545 {"Right Mixer", "Right Playback Switch", "Right DAC"}, 546 {"Right Mixer", "Voice Playback Switch", "Voice DAC"}, 547 {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 548 {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"}, 549 550 /* mono mixer */ 551 {"Mono Mixer", "Voice Playback Switch", "Voice DAC"}, 552 {"Mono Mixer", "Left Playback Switch", "Left DAC"}, 553 {"Mono Mixer", "Right Playback Switch", "Right DAC"}, 554 {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"}, 555 {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"}, 556 557 /* left out */ 558 {"Left Out 1", NULL, "Left Mixer"}, 559 {"Left Out 2", NULL, "Left Mixer"}, 560 {"LOUT1", NULL, "Left Out 1"}, 561 {"LOUT2", NULL, "Left Out 2"}, 562 563 /* right out */ 564 {"Right Out 1", NULL, "Right Mixer"}, 565 {"Right Out 2", NULL, "Right Mixer"}, 566 {"ROUT1", NULL, "Right Out 1"}, 567 {"ROUT2", NULL, "Right Out 2"}, 568 569 /* mono 1 out */ 570 {"Mono Out 1", NULL, "Mono Mixer"}, 571 {"MONO1", NULL, "Mono Out 1"}, 572 573 /* mono 2 out */ 574 {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"}, 575 {"Mono 2 Mux", "Inverted Mono 1", "MONO1"}, 576 {"Mono 2 Mux", "Left", "Left Mixer"}, 577 {"Mono 2 Mux", "Right", "Right Mixer"}, 578 {"Mono Out 2", NULL, "Mono 2 Mux"}, 579 {"MONO2", NULL, "Mono Out 2"}, 580 581 /* out 3 */ 582 {"Out3 Left + Right", NULL, "Left Mixer"}, 583 {"Out3 Left + Right", NULL, "Right Mixer"}, 584 {"Out3 Mux", "VREF", "VREF"}, 585 {"Out3 Mux", "Left + Right", "Out3 Left + Right"}, 586 {"Out3 Mux", "ROUT2", "ROUT2"}, 587 {"Out 3", NULL, "Out3 Mux"}, 588 {"OUT3", NULL, "Out 3"}, 589 590 /* out 4 */ 591 {"Out4 Mux", "VREF", "VREF"}, 592 {"Out4 Mux", "Capture ST", "Playback Mixer"}, 593 {"Out4 Mux", "LOUT2", "LOUT2"}, 594 {"Out 4", NULL, "Out4 Mux"}, 595 {"OUT4", NULL, "Out 4"}, 596 597 /* record mixer */ 598 {"Playback Mixer", "Left Capture Switch", "Left Mixer"}, 599 {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"}, 600 {"Playback Mixer", "Right Capture Switch", "Right Mixer"}, 601 602 /* Mic/SideTone Mux */ 603 {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"}, 604 {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"}, 605 {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"}, 606 {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"}, 607 608 /* Capture Left Mux */ 609 {"Capture Left Mux", "PGA", "Left Capture Volume"}, 610 {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"}, 611 {"Capture Left Mux", "Line", "LINE1"}, 612 613 /* Capture Right Mux */ 614 {"Capture Right Mux", "PGA", "Right Capture Volume"}, 615 {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"}, 616 {"Capture Right Mux", "Sidetone", "Playback Mixer"}, 617 618 /* Mono Capture mixer-mux */ 619 {"Capture Right Mixer", "Stereo", "Capture Right Mux"}, 620 {"Capture Left Mixer", "Stereo", "Capture Left Mux"}, 621 {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"}, 622 {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"}, 623 {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"}, 624 {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"}, 625 {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"}, 626 {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"}, 627 {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"}, 628 {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"}, 629 630 /* ADC */ 631 {"Left ADC", NULL, "Capture Left Mixer"}, 632 {"Right ADC", NULL, "Capture Right Mixer"}, 633 634 /* Left Capture Volume */ 635 {"Left Capture Volume", NULL, "ACIN"}, 636 637 /* Right Capture Volume */ 638 {"Right Capture Volume", NULL, "Mic 2 Volume"}, 639 640 /* ALC Mixer */ 641 {"ALC Mixer", "Line Capture Switch", "Line Mixer"}, 642 {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"}, 643 {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"}, 644 {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"}, 645 646 /* Line Left Mux */ 647 {"Line Left Mux", "Line 1", "LINE1"}, 648 {"Line Left Mux", "Rx Mix", "Rx Mixer"}, 649 650 /* Line Right Mux */ 651 {"Line Right Mux", "Line 2", "LINE2"}, 652 {"Line Right Mux", "Rx Mix", "Rx Mixer"}, 653 654 /* Line Mono Mux */ 655 {"Line Mono Mux", "Line Mix", "Line Mixer"}, 656 {"Line Mono Mux", "Rx Mix", "Rx Mixer"}, 657 658 /* Line Mixer/Mux */ 659 {"Line Mixer", "Line 1 + 2", "LINE1"}, 660 {"Line Mixer", "Line 1 - 2", "LINE1"}, 661 {"Line Mixer", "Line 1 + 2", "LINE2"}, 662 {"Line Mixer", "Line 1 - 2", "LINE2"}, 663 {"Line Mixer", "Line 1", "LINE1"}, 664 {"Line Mixer", "Line 2", "LINE2"}, 665 666 /* Rx Mixer/Mux */ 667 {"Rx Mixer", "RXP - RXN", "RXP"}, 668 {"Rx Mixer", "RXP + RXN", "RXP"}, 669 {"Rx Mixer", "RXP - RXN", "RXN"}, 670 {"Rx Mixer", "RXP + RXN", "RXN"}, 671 {"Rx Mixer", "RXP", "RXP"}, 672 {"Rx Mixer", "RXN", "RXN"}, 673 674 /* Mic 1 Volume */ 675 {"Mic 1 Volume", NULL, "MIC1N"}, 676 {"Mic 1 Volume", NULL, "Mic Selection Mux"}, 677 678 /* Mic 2 Volume */ 679 {"Mic 2 Volume", NULL, "MIC2N"}, 680 {"Mic 2 Volume", NULL, "MIC2"}, 681 682 /* Mic Selector Mux */ 683 {"Mic Selection Mux", "Mic 1", "MIC1"}, 684 {"Mic Selection Mux", "Mic 2", "MIC2N"}, 685 {"Mic Selection Mux", "Mic 3", "MIC2"}, 686 687 /* ACOP */ 688 {"ACOP", NULL, "ALC Mixer"}, 689 }; 690 691 /* PLL divisors */ 692 struct _pll_div { 693 u32 div2:1; 694 u32 n:4; 695 u32 k:24; 696 }; 697 698 /* The size in bits of the pll divide multiplied by 10 699 * to allow rounding later */ 700 #define FIXED_PLL_SIZE ((1 << 22) * 10) 701 702 static void pll_factors(struct _pll_div *pll_div, unsigned int target, 703 unsigned int source) 704 { 705 u64 Kpart; 706 unsigned int K, Ndiv, Nmod; 707 708 Ndiv = target / source; 709 if (Ndiv < 6) { 710 source >>= 1; 711 pll_div->div2 = 1; 712 Ndiv = target / source; 713 } else 714 pll_div->div2 = 0; 715 716 if ((Ndiv < 6) || (Ndiv > 12)) 717 printk(KERN_WARNING 718 "wm8753: unsupported N = %u\n", Ndiv); 719 720 pll_div->n = Ndiv; 721 Nmod = target % source; 722 Kpart = FIXED_PLL_SIZE * (long long)Nmod; 723 724 do_div(Kpart, source); 725 726 K = Kpart & 0xFFFFFFFF; 727 728 /* Check if we need to round */ 729 if ((K % 10) >= 5) 730 K += 5; 731 732 /* Move down to proper range now rounding is done */ 733 K /= 10; 734 735 pll_div->k = K; 736 } 737 738 static int wm8753_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 739 int source, unsigned int freq_in, unsigned int freq_out) 740 { 741 u16 reg, enable; 742 int offset; 743 struct snd_soc_component *component = codec_dai->component; 744 745 if (pll_id < WM8753_PLL1 || pll_id > WM8753_PLL2) 746 return -ENODEV; 747 748 if (pll_id == WM8753_PLL1) { 749 offset = 0; 750 enable = 0x10; 751 reg = snd_soc_component_read(component, WM8753_CLOCK) & 0xffef; 752 } else { 753 offset = 4; 754 enable = 0x8; 755 reg = snd_soc_component_read(component, WM8753_CLOCK) & 0xfff7; 756 } 757 758 if (!freq_in || !freq_out) { 759 /* disable PLL */ 760 snd_soc_component_write(component, WM8753_PLL1CTL1 + offset, 0x0026); 761 snd_soc_component_write(component, WM8753_CLOCK, reg); 762 return 0; 763 } else { 764 u16 value = 0; 765 struct _pll_div pll_div; 766 767 pll_factors(&pll_div, freq_out * 8, freq_in); 768 769 /* set up N and K PLL divisor ratios */ 770 /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */ 771 value = (pll_div.n << 5) + ((pll_div.k & 0x3c0000) >> 18); 772 snd_soc_component_write(component, WM8753_PLL1CTL2 + offset, value); 773 774 /* bits 8:0 = PLL_K[17:9] */ 775 value = (pll_div.k & 0x03fe00) >> 9; 776 snd_soc_component_write(component, WM8753_PLL1CTL3 + offset, value); 777 778 /* bits 8:0 = PLL_K[8:0] */ 779 value = pll_div.k & 0x0001ff; 780 snd_soc_component_write(component, WM8753_PLL1CTL4 + offset, value); 781 782 /* set PLL as input and enable */ 783 snd_soc_component_write(component, WM8753_PLL1CTL1 + offset, 0x0027 | 784 (pll_div.div2 << 3)); 785 snd_soc_component_write(component, WM8753_CLOCK, reg | enable); 786 } 787 return 0; 788 } 789 790 struct _coeff_div { 791 u32 mclk; 792 u32 rate; 793 u8 sr:5; 794 u8 usb:1; 795 }; 796 797 /* codec hifi mclk (after PLL) clock divider coefficients */ 798 static const struct _coeff_div coeff_div[] = { 799 /* 8k */ 800 {12288000, 8000, 0x6, 0x0}, 801 {11289600, 8000, 0x16, 0x0}, 802 {18432000, 8000, 0x7, 0x0}, 803 {16934400, 8000, 0x17, 0x0}, 804 {12000000, 8000, 0x6, 0x1}, 805 806 /* 11.025k */ 807 {11289600, 11025, 0x18, 0x0}, 808 {16934400, 11025, 0x19, 0x0}, 809 {12000000, 11025, 0x19, 0x1}, 810 811 /* 16k */ 812 {12288000, 16000, 0xa, 0x0}, 813 {18432000, 16000, 0xb, 0x0}, 814 {12000000, 16000, 0xa, 0x1}, 815 816 /* 22.05k */ 817 {11289600, 22050, 0x1a, 0x0}, 818 {16934400, 22050, 0x1b, 0x0}, 819 {12000000, 22050, 0x1b, 0x1}, 820 821 /* 32k */ 822 {12288000, 32000, 0xc, 0x0}, 823 {18432000, 32000, 0xd, 0x0}, 824 {12000000, 32000, 0xa, 0x1}, 825 826 /* 44.1k */ 827 {11289600, 44100, 0x10, 0x0}, 828 {16934400, 44100, 0x11, 0x0}, 829 {12000000, 44100, 0x11, 0x1}, 830 831 /* 48k */ 832 {12288000, 48000, 0x0, 0x0}, 833 {18432000, 48000, 0x1, 0x0}, 834 {12000000, 48000, 0x0, 0x1}, 835 836 /* 88.2k */ 837 {11289600, 88200, 0x1e, 0x0}, 838 {16934400, 88200, 0x1f, 0x0}, 839 {12000000, 88200, 0x1f, 0x1}, 840 841 /* 96k */ 842 {12288000, 96000, 0xe, 0x0}, 843 {18432000, 96000, 0xf, 0x0}, 844 {12000000, 96000, 0xe, 0x1}, 845 }; 846 847 static int get_coeff(int mclk, int rate) 848 { 849 int i; 850 851 for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { 852 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) 853 return i; 854 } 855 return -EINVAL; 856 } 857 858 /* 859 * Clock after PLL and dividers 860 */ 861 static int wm8753_set_dai_sysclk(struct snd_soc_dai *codec_dai, 862 int clk_id, unsigned int freq, int dir) 863 { 864 struct snd_soc_component *component = codec_dai->component; 865 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 866 867 switch (freq) { 868 case 11289600: 869 case 12000000: 870 case 12288000: 871 case 16934400: 872 case 18432000: 873 if (clk_id == WM8753_MCLK) { 874 wm8753->sysclk = freq; 875 return 0; 876 } else if (clk_id == WM8753_PCMCLK) { 877 wm8753->pcmclk = freq; 878 return 0; 879 } 880 break; 881 } 882 return -EINVAL; 883 } 884 885 /* 886 * Set's ADC and Voice DAC format. 887 */ 888 static int wm8753_vdac_adc_set_dai_fmt(struct snd_soc_component *component, 889 unsigned int fmt) 890 { 891 u16 voice = snd_soc_component_read(component, WM8753_PCM) & 0x01ec; 892 893 /* interface format */ 894 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 895 case SND_SOC_DAIFMT_I2S: 896 voice |= 0x0002; 897 break; 898 case SND_SOC_DAIFMT_RIGHT_J: 899 break; 900 case SND_SOC_DAIFMT_LEFT_J: 901 voice |= 0x0001; 902 break; 903 case SND_SOC_DAIFMT_DSP_A: 904 voice |= 0x0003; 905 break; 906 case SND_SOC_DAIFMT_DSP_B: 907 voice |= 0x0013; 908 break; 909 default: 910 return -EINVAL; 911 } 912 913 snd_soc_component_write(component, WM8753_PCM, voice); 914 return 0; 915 } 916 917 /* 918 * Set PCM DAI bit size and sample rate. 919 */ 920 static int wm8753_pcm_hw_params(struct snd_pcm_substream *substream, 921 struct snd_pcm_hw_params *params, 922 struct snd_soc_dai *dai) 923 { 924 struct snd_soc_component *component = dai->component; 925 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 926 u16 voice = snd_soc_component_read(component, WM8753_PCM) & 0x01f3; 927 u16 srate = snd_soc_component_read(component, WM8753_SRATE1) & 0x017f; 928 929 /* bit size */ 930 switch (params_width(params)) { 931 case 16: 932 break; 933 case 20: 934 voice |= 0x0004; 935 break; 936 case 24: 937 voice |= 0x0008; 938 break; 939 case 32: 940 voice |= 0x000c; 941 break; 942 } 943 944 /* sample rate */ 945 if (params_rate(params) * 384 == wm8753->pcmclk) 946 srate |= 0x80; 947 snd_soc_component_write(component, WM8753_SRATE1, srate); 948 949 snd_soc_component_write(component, WM8753_PCM, voice); 950 return 0; 951 } 952 953 /* 954 * Set's PCM dai fmt and BCLK. 955 */ 956 static int wm8753_pcm_set_dai_fmt(struct snd_soc_component *component, 957 unsigned int fmt) 958 { 959 u16 voice, ioctl; 960 961 voice = snd_soc_component_read(component, WM8753_PCM) & 0x011f; 962 ioctl = snd_soc_component_read(component, WM8753_IOCTL) & 0x015d; 963 964 /* set master/slave audio interface */ 965 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 966 case SND_SOC_DAIFMT_CBS_CFS: 967 break; 968 case SND_SOC_DAIFMT_CBM_CFM: 969 ioctl |= 0x2; 970 fallthrough; 971 case SND_SOC_DAIFMT_CBM_CFS: 972 voice |= 0x0040; 973 break; 974 default: 975 return -EINVAL; 976 } 977 978 /* clock inversion */ 979 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 980 case SND_SOC_DAIFMT_DSP_A: 981 case SND_SOC_DAIFMT_DSP_B: 982 /* frame inversion not valid for DSP modes */ 983 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 984 case SND_SOC_DAIFMT_NB_NF: 985 break; 986 case SND_SOC_DAIFMT_IB_NF: 987 voice |= 0x0080; 988 break; 989 default: 990 return -EINVAL; 991 } 992 break; 993 case SND_SOC_DAIFMT_I2S: 994 case SND_SOC_DAIFMT_RIGHT_J: 995 case SND_SOC_DAIFMT_LEFT_J: 996 voice &= ~0x0010; 997 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 998 case SND_SOC_DAIFMT_NB_NF: 999 break; 1000 case SND_SOC_DAIFMT_IB_IF: 1001 voice |= 0x0090; 1002 break; 1003 case SND_SOC_DAIFMT_IB_NF: 1004 voice |= 0x0080; 1005 break; 1006 case SND_SOC_DAIFMT_NB_IF: 1007 voice |= 0x0010; 1008 break; 1009 default: 1010 return -EINVAL; 1011 } 1012 break; 1013 default: 1014 return -EINVAL; 1015 } 1016 1017 snd_soc_component_write(component, WM8753_PCM, voice); 1018 snd_soc_component_write(component, WM8753_IOCTL, ioctl); 1019 return 0; 1020 } 1021 1022 static int wm8753_set_dai_clkdiv(struct snd_soc_dai *codec_dai, 1023 int div_id, int div) 1024 { 1025 struct snd_soc_component *component = codec_dai->component; 1026 u16 reg; 1027 1028 switch (div_id) { 1029 case WM8753_PCMDIV: 1030 reg = snd_soc_component_read(component, WM8753_CLOCK) & 0x003f; 1031 snd_soc_component_write(component, WM8753_CLOCK, reg | div); 1032 break; 1033 case WM8753_BCLKDIV: 1034 reg = snd_soc_component_read(component, WM8753_SRATE2) & 0x01c7; 1035 snd_soc_component_write(component, WM8753_SRATE2, reg | div); 1036 break; 1037 case WM8753_VXCLKDIV: 1038 reg = snd_soc_component_read(component, WM8753_SRATE2) & 0x003f; 1039 snd_soc_component_write(component, WM8753_SRATE2, reg | div); 1040 break; 1041 default: 1042 return -EINVAL; 1043 } 1044 return 0; 1045 } 1046 1047 /* 1048 * Set's HiFi DAC format. 1049 */ 1050 static int wm8753_hdac_set_dai_fmt(struct snd_soc_component *component, 1051 unsigned int fmt) 1052 { 1053 u16 hifi = snd_soc_component_read(component, WM8753_HIFI) & 0x01e0; 1054 1055 /* interface format */ 1056 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1057 case SND_SOC_DAIFMT_I2S: 1058 hifi |= 0x0002; 1059 break; 1060 case SND_SOC_DAIFMT_RIGHT_J: 1061 break; 1062 case SND_SOC_DAIFMT_LEFT_J: 1063 hifi |= 0x0001; 1064 break; 1065 case SND_SOC_DAIFMT_DSP_A: 1066 hifi |= 0x0003; 1067 break; 1068 case SND_SOC_DAIFMT_DSP_B: 1069 hifi |= 0x0013; 1070 break; 1071 default: 1072 return -EINVAL; 1073 } 1074 1075 snd_soc_component_write(component, WM8753_HIFI, hifi); 1076 return 0; 1077 } 1078 1079 /* 1080 * Set's I2S DAI format. 1081 */ 1082 static int wm8753_i2s_set_dai_fmt(struct snd_soc_component *component, 1083 unsigned int fmt) 1084 { 1085 u16 ioctl, hifi; 1086 1087 hifi = snd_soc_component_read(component, WM8753_HIFI) & 0x013f; 1088 ioctl = snd_soc_component_read(component, WM8753_IOCTL) & 0x00ae; 1089 1090 /* set master/slave audio interface */ 1091 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1092 case SND_SOC_DAIFMT_CBS_CFS: 1093 break; 1094 case SND_SOC_DAIFMT_CBM_CFM: 1095 ioctl |= 0x1; 1096 fallthrough; 1097 case SND_SOC_DAIFMT_CBM_CFS: 1098 hifi |= 0x0040; 1099 break; 1100 default: 1101 return -EINVAL; 1102 } 1103 1104 /* clock inversion */ 1105 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1106 case SND_SOC_DAIFMT_DSP_A: 1107 case SND_SOC_DAIFMT_DSP_B: 1108 /* frame inversion not valid for DSP modes */ 1109 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1110 case SND_SOC_DAIFMT_NB_NF: 1111 break; 1112 case SND_SOC_DAIFMT_IB_NF: 1113 hifi |= 0x0080; 1114 break; 1115 default: 1116 return -EINVAL; 1117 } 1118 break; 1119 case SND_SOC_DAIFMT_I2S: 1120 case SND_SOC_DAIFMT_RIGHT_J: 1121 case SND_SOC_DAIFMT_LEFT_J: 1122 hifi &= ~0x0010; 1123 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1124 case SND_SOC_DAIFMT_NB_NF: 1125 break; 1126 case SND_SOC_DAIFMT_IB_IF: 1127 hifi |= 0x0090; 1128 break; 1129 case SND_SOC_DAIFMT_IB_NF: 1130 hifi |= 0x0080; 1131 break; 1132 case SND_SOC_DAIFMT_NB_IF: 1133 hifi |= 0x0010; 1134 break; 1135 default: 1136 return -EINVAL; 1137 } 1138 break; 1139 default: 1140 return -EINVAL; 1141 } 1142 1143 snd_soc_component_write(component, WM8753_HIFI, hifi); 1144 snd_soc_component_write(component, WM8753_IOCTL, ioctl); 1145 return 0; 1146 } 1147 1148 /* 1149 * Set PCM DAI bit size and sample rate. 1150 */ 1151 static int wm8753_i2s_hw_params(struct snd_pcm_substream *substream, 1152 struct snd_pcm_hw_params *params, 1153 struct snd_soc_dai *dai) 1154 { 1155 struct snd_soc_component *component = dai->component; 1156 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1157 u16 srate = snd_soc_component_read(component, WM8753_SRATE1) & 0x01c0; 1158 u16 hifi = snd_soc_component_read(component, WM8753_HIFI) & 0x01f3; 1159 int coeff; 1160 1161 /* is digital filter coefficient valid ? */ 1162 coeff = get_coeff(wm8753->sysclk, params_rate(params)); 1163 if (coeff < 0) { 1164 printk(KERN_ERR "wm8753 invalid MCLK or rate\n"); 1165 return coeff; 1166 } 1167 snd_soc_component_write(component, WM8753_SRATE1, srate | (coeff_div[coeff].sr << 1) | 1168 coeff_div[coeff].usb); 1169 1170 /* bit size */ 1171 switch (params_width(params)) { 1172 case 16: 1173 break; 1174 case 20: 1175 hifi |= 0x0004; 1176 break; 1177 case 24: 1178 hifi |= 0x0008; 1179 break; 1180 case 32: 1181 hifi |= 0x000c; 1182 break; 1183 } 1184 1185 snd_soc_component_write(component, WM8753_HIFI, hifi); 1186 return 0; 1187 } 1188 1189 static int wm8753_mode1v_set_dai_fmt(struct snd_soc_component *component, 1190 unsigned int fmt) 1191 { 1192 u16 clock; 1193 1194 /* set clk source as pcmclk */ 1195 clock = snd_soc_component_read(component, WM8753_CLOCK) & 0xfffb; 1196 snd_soc_component_write(component, WM8753_CLOCK, clock); 1197 1198 return wm8753_vdac_adc_set_dai_fmt(component, fmt); 1199 } 1200 1201 static int wm8753_mode1h_set_dai_fmt(struct snd_soc_component *component, 1202 unsigned int fmt) 1203 { 1204 return wm8753_hdac_set_dai_fmt(component, fmt); 1205 } 1206 1207 static int wm8753_mode2_set_dai_fmt(struct snd_soc_component *component, 1208 unsigned int fmt) 1209 { 1210 u16 clock; 1211 1212 /* set clk source as pcmclk */ 1213 clock = snd_soc_component_read(component, WM8753_CLOCK) & 0xfffb; 1214 snd_soc_component_write(component, WM8753_CLOCK, clock); 1215 1216 return wm8753_vdac_adc_set_dai_fmt(component, fmt); 1217 } 1218 1219 static int wm8753_mode3_4_set_dai_fmt(struct snd_soc_component *component, 1220 unsigned int fmt) 1221 { 1222 u16 clock; 1223 1224 /* set clk source as mclk */ 1225 clock = snd_soc_component_read(component, WM8753_CLOCK) & 0xfffb; 1226 snd_soc_component_write(component, WM8753_CLOCK, clock | 0x4); 1227 1228 if (wm8753_hdac_set_dai_fmt(component, fmt) < 0) 1229 return -EINVAL; 1230 return wm8753_vdac_adc_set_dai_fmt(component, fmt); 1231 } 1232 1233 static int wm8753_hifi_write_dai_fmt(struct snd_soc_component *component, 1234 unsigned int fmt) 1235 { 1236 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1237 int ret = 0; 1238 1239 switch (wm8753->dai_func) { 1240 case 0: 1241 ret = wm8753_mode1h_set_dai_fmt(component, fmt); 1242 break; 1243 case 1: 1244 ret = wm8753_mode2_set_dai_fmt(component, fmt); 1245 break; 1246 case 2: 1247 case 3: 1248 ret = wm8753_mode3_4_set_dai_fmt(component, fmt); 1249 break; 1250 default: 1251 break; 1252 } 1253 if (ret) 1254 return ret; 1255 1256 return wm8753_i2s_set_dai_fmt(component, fmt); 1257 } 1258 1259 static int wm8753_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai, 1260 unsigned int fmt) 1261 { 1262 struct snd_soc_component *component = codec_dai->component; 1263 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1264 1265 wm8753->hifi_fmt = fmt; 1266 1267 return wm8753_hifi_write_dai_fmt(component, fmt); 1268 }; 1269 1270 static int wm8753_voice_write_dai_fmt(struct snd_soc_component *component, 1271 unsigned int fmt) 1272 { 1273 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1274 int ret = 0; 1275 1276 if (wm8753->dai_func != 0) 1277 return 0; 1278 1279 ret = wm8753_mode1v_set_dai_fmt(component, fmt); 1280 if (ret) 1281 return ret; 1282 ret = wm8753_pcm_set_dai_fmt(component, fmt); 1283 if (ret) 1284 return ret; 1285 1286 return 0; 1287 }; 1288 1289 static int wm8753_voice_set_dai_fmt(struct snd_soc_dai *codec_dai, 1290 unsigned int fmt) 1291 { 1292 struct snd_soc_component *component = codec_dai->component; 1293 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1294 1295 wm8753->voice_fmt = fmt; 1296 1297 return wm8753_voice_write_dai_fmt(component, fmt); 1298 }; 1299 1300 static int wm8753_mute(struct snd_soc_dai *dai, int mute, int direction) 1301 { 1302 struct snd_soc_component *component = dai->component; 1303 u16 mute_reg = snd_soc_component_read(component, WM8753_DAC) & 0xfff7; 1304 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1305 1306 /* the digital mute covers the HiFi and Voice DAC's on the WM8753. 1307 * make sure we check if they are not both active when we mute */ 1308 if (mute && wm8753->dai_func == 1) { 1309 if (!snd_soc_component_active(component)) 1310 snd_soc_component_write(component, WM8753_DAC, mute_reg | 0x8); 1311 } else { 1312 if (mute) 1313 snd_soc_component_write(component, WM8753_DAC, mute_reg | 0x8); 1314 else 1315 snd_soc_component_write(component, WM8753_DAC, mute_reg); 1316 } 1317 1318 return 0; 1319 } 1320 1321 static void wm8753_charge_work(struct work_struct *work) 1322 { 1323 struct wm8753_priv *wm8753 = 1324 container_of(work, struct wm8753_priv, charge_work.work); 1325 1326 /* Set to 500k */ 1327 regmap_update_bits(wm8753->regmap, WM8753_PWR1, 0x0180, 0x0100); 1328 } 1329 1330 static int wm8753_set_bias_level(struct snd_soc_component *component, 1331 enum snd_soc_bias_level level) 1332 { 1333 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1334 u16 pwr_reg = snd_soc_component_read(component, WM8753_PWR1) & 0xfe3e; 1335 1336 switch (level) { 1337 case SND_SOC_BIAS_ON: 1338 /* set vmid to 50k and unmute dac */ 1339 snd_soc_component_write(component, WM8753_PWR1, pwr_reg | 0x00c0); 1340 break; 1341 case SND_SOC_BIAS_PREPARE: 1342 /* Wait until fully charged */ 1343 flush_delayed_work(&wm8753->charge_work); 1344 break; 1345 case SND_SOC_BIAS_STANDBY: 1346 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1347 /* set vmid to 5k for quick power up */ 1348 snd_soc_component_write(component, WM8753_PWR1, pwr_reg | 0x01c1); 1349 schedule_delayed_work(&wm8753->charge_work, 1350 msecs_to_jiffies(caps_charge)); 1351 } else { 1352 /* mute dac and set vmid to 500k, enable VREF */ 1353 snd_soc_component_write(component, WM8753_PWR1, pwr_reg | 0x0141); 1354 } 1355 break; 1356 case SND_SOC_BIAS_OFF: 1357 cancel_delayed_work_sync(&wm8753->charge_work); 1358 snd_soc_component_write(component, WM8753_PWR1, 0x0001); 1359 break; 1360 } 1361 return 0; 1362 } 1363 1364 #define WM8753_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 1365 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 1366 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ 1367 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) 1368 1369 #define WM8753_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1370 SNDRV_PCM_FMTBIT_S24_LE) 1371 1372 /* 1373 * The WM8753 supports up to 4 different and mutually exclusive DAI 1374 * configurations. This gives 2 PCM's available for use, hifi and voice. 1375 * NOTE: The Voice PCM cannot play or capture audio to the CPU as it's DAI 1376 * is connected between the wm8753 and a BT codec or GSM modem. 1377 * 1378 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI 1379 * 2. Voice over HIFI DAI - HIFI disabled 1380 * 3. Voice disabled - HIFI over HIFI 1381 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture 1382 */ 1383 static const struct snd_soc_dai_ops wm8753_dai_ops_hifi_mode = { 1384 .hw_params = wm8753_i2s_hw_params, 1385 .mute_stream = wm8753_mute, 1386 .set_fmt = wm8753_hifi_set_dai_fmt, 1387 .set_clkdiv = wm8753_set_dai_clkdiv, 1388 .set_pll = wm8753_set_dai_pll, 1389 .set_sysclk = wm8753_set_dai_sysclk, 1390 .no_capture_mute = 1, 1391 }; 1392 1393 static const struct snd_soc_dai_ops wm8753_dai_ops_voice_mode = { 1394 .hw_params = wm8753_pcm_hw_params, 1395 .mute_stream = wm8753_mute, 1396 .set_fmt = wm8753_voice_set_dai_fmt, 1397 .set_clkdiv = wm8753_set_dai_clkdiv, 1398 .set_pll = wm8753_set_dai_pll, 1399 .set_sysclk = wm8753_set_dai_sysclk, 1400 .no_capture_mute = 1, 1401 }; 1402 1403 static struct snd_soc_dai_driver wm8753_dai[] = { 1404 /* DAI HiFi mode 1 */ 1405 { .name = "wm8753-hifi", 1406 .playback = { 1407 .stream_name = "HiFi Playback", 1408 .channels_min = 1, 1409 .channels_max = 2, 1410 .rates = WM8753_RATES, 1411 .formats = WM8753_FORMATS 1412 }, 1413 .capture = { /* dummy for fast DAI switching */ 1414 .stream_name = "Capture", 1415 .channels_min = 1, 1416 .channels_max = 2, 1417 .rates = WM8753_RATES, 1418 .formats = WM8753_FORMATS 1419 }, 1420 .ops = &wm8753_dai_ops_hifi_mode, 1421 }, 1422 /* DAI Voice mode 1 */ 1423 { .name = "wm8753-voice", 1424 .playback = { 1425 .stream_name = "Voice Playback", 1426 .channels_min = 1, 1427 .channels_max = 1, 1428 .rates = WM8753_RATES, 1429 .formats = WM8753_FORMATS, 1430 }, 1431 .capture = { 1432 .stream_name = "Capture", 1433 .channels_min = 1, 1434 .channels_max = 2, 1435 .rates = WM8753_RATES, 1436 .formats = WM8753_FORMATS, 1437 }, 1438 .ops = &wm8753_dai_ops_voice_mode, 1439 }, 1440 }; 1441 1442 static int wm8753_resume(struct snd_soc_component *component) 1443 { 1444 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1445 1446 regcache_sync(wm8753->regmap); 1447 1448 return 0; 1449 } 1450 1451 static int wm8753_probe(struct snd_soc_component *component) 1452 { 1453 struct wm8753_priv *wm8753 = snd_soc_component_get_drvdata(component); 1454 int ret; 1455 1456 INIT_DELAYED_WORK(&wm8753->charge_work, wm8753_charge_work); 1457 1458 ret = wm8753_reset(component); 1459 if (ret < 0) { 1460 dev_err(component->dev, "Failed to issue reset: %d\n", ret); 1461 return ret; 1462 } 1463 1464 wm8753->dai_func = 0; 1465 1466 /* set the update bits */ 1467 snd_soc_component_update_bits(component, WM8753_LDAC, 0x0100, 0x0100); 1468 snd_soc_component_update_bits(component, WM8753_RDAC, 0x0100, 0x0100); 1469 snd_soc_component_update_bits(component, WM8753_LADC, 0x0100, 0x0100); 1470 snd_soc_component_update_bits(component, WM8753_RADC, 0x0100, 0x0100); 1471 snd_soc_component_update_bits(component, WM8753_LOUT1V, 0x0100, 0x0100); 1472 snd_soc_component_update_bits(component, WM8753_ROUT1V, 0x0100, 0x0100); 1473 snd_soc_component_update_bits(component, WM8753_LOUT2V, 0x0100, 0x0100); 1474 snd_soc_component_update_bits(component, WM8753_ROUT2V, 0x0100, 0x0100); 1475 snd_soc_component_update_bits(component, WM8753_LINVOL, 0x0100, 0x0100); 1476 snd_soc_component_update_bits(component, WM8753_RINVOL, 0x0100, 0x0100); 1477 1478 return 0; 1479 } 1480 1481 static const struct snd_soc_component_driver soc_component_dev_wm8753 = { 1482 .probe = wm8753_probe, 1483 .resume = wm8753_resume, 1484 .set_bias_level = wm8753_set_bias_level, 1485 .controls = wm8753_snd_controls, 1486 .num_controls = ARRAY_SIZE(wm8753_snd_controls), 1487 .dapm_widgets = wm8753_dapm_widgets, 1488 .num_dapm_widgets = ARRAY_SIZE(wm8753_dapm_widgets), 1489 .dapm_routes = wm8753_dapm_routes, 1490 .num_dapm_routes = ARRAY_SIZE(wm8753_dapm_routes), 1491 .suspend_bias_off = 1, 1492 .idle_bias_on = 1, 1493 .use_pmdown_time = 1, 1494 .endianness = 1, 1495 }; 1496 1497 static const struct of_device_id wm8753_of_match[] = { 1498 { .compatible = "wlf,wm8753", }, 1499 { } 1500 }; 1501 MODULE_DEVICE_TABLE(of, wm8753_of_match); 1502 1503 static const struct regmap_config wm8753_regmap = { 1504 .reg_bits = 7, 1505 .val_bits = 9, 1506 1507 .max_register = WM8753_ADCTL2, 1508 .volatile_reg = wm8753_volatile, 1509 1510 .cache_type = REGCACHE_MAPLE, 1511 .reg_defaults = wm8753_reg_defaults, 1512 .num_reg_defaults = ARRAY_SIZE(wm8753_reg_defaults), 1513 }; 1514 1515 #if defined(CONFIG_SPI_MASTER) 1516 static int wm8753_spi_probe(struct spi_device *spi) 1517 { 1518 struct wm8753_priv *wm8753; 1519 int ret; 1520 1521 wm8753 = devm_kzalloc(&spi->dev, sizeof(struct wm8753_priv), 1522 GFP_KERNEL); 1523 if (wm8753 == NULL) 1524 return -ENOMEM; 1525 1526 spi_set_drvdata(spi, wm8753); 1527 1528 wm8753->regmap = devm_regmap_init_spi(spi, &wm8753_regmap); 1529 if (IS_ERR(wm8753->regmap)) { 1530 ret = PTR_ERR(wm8753->regmap); 1531 dev_err(&spi->dev, "Failed to allocate register map: %d\n", 1532 ret); 1533 return ret; 1534 } 1535 1536 ret = devm_snd_soc_register_component(&spi->dev, &soc_component_dev_wm8753, 1537 wm8753_dai, ARRAY_SIZE(wm8753_dai)); 1538 if (ret != 0) 1539 dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret); 1540 1541 return ret; 1542 } 1543 1544 static struct spi_driver wm8753_spi_driver = { 1545 .driver = { 1546 .name = "wm8753", 1547 .of_match_table = wm8753_of_match, 1548 }, 1549 .probe = wm8753_spi_probe, 1550 }; 1551 #endif /* CONFIG_SPI_MASTER */ 1552 1553 #if IS_ENABLED(CONFIG_I2C) 1554 static int wm8753_i2c_probe(struct i2c_client *i2c) 1555 { 1556 struct wm8753_priv *wm8753; 1557 int ret; 1558 1559 wm8753 = devm_kzalloc(&i2c->dev, sizeof(struct wm8753_priv), 1560 GFP_KERNEL); 1561 if (wm8753 == NULL) 1562 return -ENOMEM; 1563 1564 i2c_set_clientdata(i2c, wm8753); 1565 1566 wm8753->regmap = devm_regmap_init_i2c(i2c, &wm8753_regmap); 1567 if (IS_ERR(wm8753->regmap)) { 1568 ret = PTR_ERR(wm8753->regmap); 1569 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1570 ret); 1571 return ret; 1572 } 1573 1574 ret = devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_wm8753, 1575 wm8753_dai, ARRAY_SIZE(wm8753_dai)); 1576 if (ret != 0) 1577 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); 1578 1579 return ret; 1580 } 1581 1582 static const struct i2c_device_id wm8753_i2c_id[] = { 1583 { "wm8753", 0 }, 1584 { } 1585 }; 1586 MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id); 1587 1588 static struct i2c_driver wm8753_i2c_driver = { 1589 .driver = { 1590 .name = "wm8753", 1591 .of_match_table = wm8753_of_match, 1592 }, 1593 .probe = wm8753_i2c_probe, 1594 .id_table = wm8753_i2c_id, 1595 }; 1596 #endif 1597 1598 static int __init wm8753_modinit(void) 1599 { 1600 int ret = 0; 1601 #if IS_ENABLED(CONFIG_I2C) 1602 ret = i2c_add_driver(&wm8753_i2c_driver); 1603 if (ret != 0) { 1604 printk(KERN_ERR "Failed to register wm8753 I2C driver: %d\n", 1605 ret); 1606 } 1607 #endif 1608 #if defined(CONFIG_SPI_MASTER) 1609 ret = spi_register_driver(&wm8753_spi_driver); 1610 if (ret != 0) { 1611 printk(KERN_ERR "Failed to register wm8753 SPI driver: %d\n", 1612 ret); 1613 } 1614 #endif 1615 return ret; 1616 } 1617 module_init(wm8753_modinit); 1618 1619 static void __exit wm8753_exit(void) 1620 { 1621 #if IS_ENABLED(CONFIG_I2C) 1622 i2c_del_driver(&wm8753_i2c_driver); 1623 #endif 1624 #if defined(CONFIG_SPI_MASTER) 1625 spi_unregister_driver(&wm8753_spi_driver); 1626 #endif 1627 } 1628 module_exit(wm8753_exit); 1629 1630 MODULE_DESCRIPTION("ASoC WM8753 driver"); 1631 MODULE_AUTHOR("Liam Girdwood"); 1632 MODULE_LICENSE("GPL"); 1633