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/mod_devicetable.h> 30#include <linux/module.h> 31#include <linux/kernel.h> 32#include <linux/init.h> 33#include <linux/delay.h> 34#include <linux/pm.h> 35#include <linux/i2c.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 49static int caps_charge = 2000; 50module_param(caps_charge, int, 0); 51MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)"); 52 53static int wm8753_hifi_write_dai_fmt(struct snd_soc_component *component, 54 unsigned int fmt); 55static 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 */ 63static 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 130static bool wm8753_volatile(struct device *dev, unsigned int reg) 131{ 132 return reg == WM8753_RESET; 133} 134 135/* codec private data */ 136struct 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 */ 153static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"}; 154static const char *wm8753_base_filter[] = 155 {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz", 156 "100Hz @ 8kHz", "200Hz @ 8kHz"}; 157static const char *wm8753_treble[] = {"8kHz", "4kHz"}; 158static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"}; 159static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"}; 160static const char *wm8753_3d_func[] = {"Capture", "Playback"}; 161static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"}; 162static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"}; 163static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"}; 164static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"}; 165static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"}; 166static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2", 167 "Line 1", "Line 2"}; 168static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"}; 169static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"}; 170static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"}; 171static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"}; 172static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2", 173 "Right PGA"}; 174static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right", 175 "Left + Right"}; 176static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"}; 177static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"}; 178static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"}; 179static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"}; 180static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left", 181 "Analogue Mix Right", "Digital Mono Mix"}; 182static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k", 183 "82Hz @ 8kHz", "170Hz @ 8kHz"}; 184static const char *wm8753_adc_filter[] = {"HiFi", "Voice"}; 185static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"}; 186static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"}; 187static const char *wm8753_dat_sel[] = {"Stereo", "Left ADC", "Right ADC", 188 "Channel Swap"}; 189static const char *wm8753_rout2_phase[] = {"Non Inverted", "Inverted"}; 190 191static const struct soc_enum wm8753_enum[] = { 192SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base), 193SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter), 194SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble), 195SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func), 196SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type), 197SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func), 198SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc), 199SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc), 200SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp), 201SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix), 202SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase), 203SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix), 204SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux), 205SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux), 206SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux), 207SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel), 208SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux), 209SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src), 210SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3), 211SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4), 212SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel), 213SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel), 214SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc), 215SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp), 216SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter), 217SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel), 218SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode), 219SOC_ENUM_SINGLE(WM8753_ADC, 7, 4, wm8753_dat_sel), 220SOC_ENUM_SINGLE(WM8753_OUTCTL, 2, 2, wm8753_rout2_phase), 221}; 222 223 224static 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 234static 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 264static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 300, 0); 265static const DECLARE_TLV_DB_SCALE(mic_preamp_tlv, 1200, 600, 0); 266static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1); 267static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); 268static 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); 273static const DECLARE_TLV_DB_SCALE(mix_tlv, -1500, 300, 0); 274static const DECLARE_TLV_DB_SCALE(voice_mix_tlv, -1200, 300, 0); 275static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0); 276 277static const struct snd_kcontrol_new wm8753_snd_controls[] = { 278SOC_SINGLE("Hi-Fi DAC Left/Right channel Swap", WM8753_HIFI, 5, 1, 0), 279SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0, dac_tlv), 280 281SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0, 282 adc_tlv), 283 284SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V, 285 0, 127, 0, out_tlv), 286SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0, 287 127, 0, out_tlv), 288 289SOC_SINGLE_TLV("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0, out_tlv), 290 291SOC_DOUBLE_R_TLV("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7, 292 1, mix_tlv), 293SOC_DOUBLE_R_TLV("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, 294 7, 1, mix_tlv), 295SOC_DOUBLE_R_TLV("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, 296 1, voice_mix_tlv), 297 298SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7, 299 1, 0), 300SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7, 301 1, 0), 302 303SOC_SINGLE_TLV("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1, mix_tlv), 304SOC_SINGLE_TLV("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1, 305 mix_tlv), 306SOC_SINGLE_TLV("Mono Voice Playback Volume", WM8753_MOUTM2, 0, 7, 1, 307 voice_mix_tlv), 308SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0), 309 310SOC_ENUM("Bass Boost", wm8753_enum[0]), 311SOC_ENUM("Bass Filter", wm8753_enum[1]), 312SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 15, 1), 313 314SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 15, 1), 315SOC_ENUM("Treble Cut-off", wm8753_enum[2]), 316 317SOC_DOUBLE_TLV("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1, 318 rec_mix_tlv), 319SOC_SINGLE_TLV("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1, 320 rec_mix_tlv), 321 322SOC_DOUBLE_R_TLV("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0, 323 pga_tlv), 324SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0), 325SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 1), 326 327SOC_ENUM("Capture Filter Select", wm8753_enum[23]), 328SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]), 329SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1), 330 331SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0), 332SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0), 333SOC_ENUM("ALC Capture Function", wm8753_enum[3]), 334SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0), 335SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1), 336SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1), 337SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0), 338SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0), 339SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]), 340SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0), 341 342SOC_ENUM("3D Function", wm8753_enum[5]), 343SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]), 344SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]), 345SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0), 346SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0), 347 348SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0), 349SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0), 350 351SOC_ENUM("De-emphasis", wm8753_enum[8]), 352SOC_ENUM("Playback Mono Mix", wm8753_enum[9]), 353SOC_ENUM("Playback Phase", wm8753_enum[10]), 354 355SOC_SINGLE_TLV("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0, mic_preamp_tlv), 356SOC_SINGLE_TLV("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0, mic_preamp_tlv), 357 358SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai), 359 360SOC_ENUM("ADC Data Select", wm8753_enum[27]), 361SOC_ENUM("ROUT2 Phase", wm8753_enum[28]), 362}; 363 364/* 365 * _DAPM_ Controls 366 */ 367 368/* Left Mixer */ 369static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = { 370SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0), 371SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0), 372SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0), 373SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0), 374}; 375 376/* Right mixer */ 377static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = { 378SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0), 379SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0), 380SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0), 381SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0), 382}; 383 384/* Mono mixer */ 385static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = { 386SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0), 387SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0), 388SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0), 389SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0), 390SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0), 391}; 392 393/* Mono 2 Mux */ 394static const struct snd_kcontrol_new wm8753_mono2_controls = 395SOC_DAPM_ENUM("Route", wm8753_enum[17]); 396 397/* Out 3 Mux */ 398static const struct snd_kcontrol_new wm8753_out3_controls = 399SOC_DAPM_ENUM("Route", wm8753_enum[18]); 400 401/* Out 4 Mux */ 402static const struct snd_kcontrol_new wm8753_out4_controls = 403SOC_DAPM_ENUM("Route", wm8753_enum[19]); 404 405/* ADC Mono Mix */ 406static const struct snd_kcontrol_new wm8753_adc_mono_controls = 407SOC_DAPM_ENUM("Route", wm8753_enum[22]); 408 409/* Record mixer */ 410static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = { 411SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0), 412SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0), 413SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0), 414}; 415 416/* Left ADC mux */ 417static const struct snd_kcontrol_new wm8753_adc_left_controls = 418SOC_DAPM_ENUM("Route", wm8753_enum[21]); 419 420/* Right ADC mux */ 421static const struct snd_kcontrol_new wm8753_adc_right_controls = 422SOC_DAPM_ENUM("Route", wm8753_enum[20]); 423 424/* MIC mux */ 425static const struct snd_kcontrol_new wm8753_mic_mux_controls = 426SOC_DAPM_ENUM("Route", wm8753_enum[16]); 427 428/* ALC mixer */ 429static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = { 430SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0), 431SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0), 432SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0), 433SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0), 434}; 435 436/* Left Line mux */ 437static const struct snd_kcontrol_new wm8753_line_left_controls = 438SOC_DAPM_ENUM("Route", wm8753_enum[14]); 439 440/* Right Line mux */ 441static const struct snd_kcontrol_new wm8753_line_right_controls = 442SOC_DAPM_ENUM("Route", wm8753_enum[13]); 443 444/* Mono Line mux */ 445static const struct snd_kcontrol_new wm8753_line_mono_controls = 446SOC_DAPM_ENUM("Route", wm8753_enum[12]); 447 448/* Line mux and mixer */ 449static const struct snd_kcontrol_new wm8753_line_mux_mix_controls = 450SOC_DAPM_ENUM("Route", wm8753_enum[11]); 451 452/* Rx mux and mixer */ 453static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls = 454SOC_DAPM_ENUM("Route", wm8753_enum[15]); 455 456/* Mic Selector Mux */ 457static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls = 458SOC_DAPM_ENUM("Route", wm8753_enum[25]); 459 460static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { 461SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0), 462SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0, 463 &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)), 464SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0), 465SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0), 466SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0), 467SND_SOC_DAPM_OUTPUT("LOUT1"), 468SND_SOC_DAPM_OUTPUT("LOUT2"), 469SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0, 470 &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)), 471SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0), 472SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0), 473SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0), 474SND_SOC_DAPM_OUTPUT("ROUT1"), 475SND_SOC_DAPM_OUTPUT("ROUT2"), 476SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0, 477 &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)), 478SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0), 479SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0), 480SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0), 481SND_SOC_DAPM_OUTPUT("MONO1"), 482SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls), 483SND_SOC_DAPM_OUTPUT("MONO2"), 484SND_SOC_DAPM_MIXER("Out3 Left + Right", SND_SOC_NOPM, 0, 0, NULL, 0), 485SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls), 486SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0), 487SND_SOC_DAPM_OUTPUT("OUT3"), 488SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls), 489SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0), 490SND_SOC_DAPM_OUTPUT("OUT4"), 491SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0, 492 &wm8753_record_mixer_controls[0], 493 ARRAY_SIZE(wm8753_record_mixer_controls)), 494SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8753_PWR2, 3, 0), 495SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8753_PWR2, 2, 0), 496SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0, 497 &wm8753_adc_mono_controls), 498SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0, 499 &wm8753_adc_mono_controls), 500SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0, 501 &wm8753_adc_left_controls), 502SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0, 503 &wm8753_adc_right_controls), 504SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0, 505 &wm8753_mic_mux_controls), 506SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0), 507SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0), 508SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0, 509 &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)), 510SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0, 511 &wm8753_line_left_controls), 512SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0, 513 &wm8753_line_right_controls), 514SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0, 515 &wm8753_line_mono_controls), 516SND_SOC_DAPM_MUX("Line Mixer", WM8753_PWR2, 0, 0, 517 &wm8753_line_mux_mix_controls), 518SND_SOC_DAPM_MUX("Rx Mixer", WM8753_PWR2, 1, 0, 519 &wm8753_rx_mux_mix_controls), 520SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0), 521SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0), 522SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0, 523 &wm8753_mic_sel_mux_controls), 524SND_SOC_DAPM_INPUT("LINE1"), 525SND_SOC_DAPM_INPUT("LINE2"), 526SND_SOC_DAPM_INPUT("RXP"), 527SND_SOC_DAPM_INPUT("RXN"), 528SND_SOC_DAPM_INPUT("ACIN"), 529SND_SOC_DAPM_OUTPUT("ACOP"), 530SND_SOC_DAPM_INPUT("MIC1N"), 531SND_SOC_DAPM_INPUT("MIC1"), 532SND_SOC_DAPM_INPUT("MIC2N"), 533SND_SOC_DAPM_INPUT("MIC2"), 534SND_SOC_DAPM_VMID("VREF"), 535}; 536 537static 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 */ 692struct _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 702static 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 738static 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 790struct _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 */ 798static 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 847static 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 */ 861static 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 */ 888static 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 */ 920static 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 */ 956static 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 1022static 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 */ 1050static 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 */ 1082static 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 */ 1151static 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 1189static 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 1201static 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 1207static 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 1219static 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 1233static 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 1259static 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 1270static 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 1289static 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 1300static 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 1321static 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 1330static 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 */ 1383static 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 1393static 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 1403static 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 1442static 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 1451static 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 1481static 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 1497static const struct of_device_id wm8753_of_match[] = { 1498 { .compatible = "wlf,wm8753", }, 1499 { } 1500}; 1501MODULE_DEVICE_TABLE(of, wm8753_of_match); 1502 1503static 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) 1516static 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 1544static 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) 1554static 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 1582static const struct i2c_device_id wm8753_i2c_id[] = { 1583 { "wm8753", 0 }, 1584 { } 1585}; 1586MODULE_DEVICE_TABLE(i2c, wm8753_i2c_id); 1587 1588static 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 1598static 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} 1617module_init(wm8753_modinit); 1618 1619static 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} 1628module_exit(wm8753_exit); 1629 1630MODULE_DESCRIPTION("ASoC WM8753 driver"); 1631MODULE_AUTHOR("Liam Girdwood"); 1632MODULE_LICENSE("GPL"); 1633