1633 lines · c
1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * wm8753.c -- WM8753 ALSA Soc Audio driver4 *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 PCM10 * 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 for15 * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for16 * voice.17 *18 * Please note that the voice PCM can be connected directly to a Bluetooth19 * codec or GSM modem and thus cannot be read or written to, although it is20 * available to be configured with snd_hw_params(), etc and kcontrols in the21 * normal alsa manner.22 *23 * Fast DAI switching:-24 *25 * The driver can now fast switch between the DAI configurations via a26 * 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 cache60 * We can't read the WM8753 register space when we61 * 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 Controls152 */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_ Controls366 */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 10699 * 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 } else714 pll_div->div2 = 0;715 716 if ((Ndiv < 6) || (Ndiv > 12))717 printk(KERN_WARNING718 "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 dividers860 */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 else1315 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 DAI1374 * 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 DAI1376 * is connected between the wm8753 and a BT codec or GSM modem.1377 *1378 * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI1379 * 2. Voice over HIFI DAI - HIFI disabled1380 * 3. Voice disabled - HIFI over HIFI1381 * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture1382 */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_FORMATS1412 },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_FORMATS1419 },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" },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#endif1597 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#endif1608#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#endif1615 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#endif1624#if defined(CONFIG_SPI_MASTER)1625 spi_unregister_driver(&wm8753_spi_driver);1626#endif1627}1628module_exit(wm8753_exit);1629 1630MODULE_DESCRIPTION("ASoC WM8753 driver");1631MODULE_AUTHOR("Liam Girdwood");1632MODULE_LICENSE("GPL");1633