1d2912cb1SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 25409fb4eSMark Brown /* 35409fb4eSMark Brown * wm8988.c -- WM8988 ALSA SoC audio driver 45409fb4eSMark Brown * 55409fb4eSMark Brown * Copyright 2009 Wolfson Microelectronics plc 65409fb4eSMark Brown * Copyright 2005 Openedhand Ltd. 75409fb4eSMark Brown * 85409fb4eSMark Brown * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 95409fb4eSMark Brown */ 105409fb4eSMark Brown 115409fb4eSMark Brown #include <linux/module.h> 125409fb4eSMark Brown #include <linux/moduleparam.h> 135409fb4eSMark Brown #include <linux/init.h> 145409fb4eSMark Brown #include <linux/delay.h> 155409fb4eSMark Brown #include <linux/pm.h> 165409fb4eSMark Brown #include <linux/i2c.h> 175409fb4eSMark Brown #include <linux/spi/spi.h> 185a0e3ad6STejun Heo #include <linux/slab.h> 195409fb4eSMark Brown #include <sound/core.h> 205409fb4eSMark Brown #include <sound/pcm.h> 215409fb4eSMark Brown #include <sound/pcm_params.h> 225409fb4eSMark Brown #include <sound/tlv.h> 235409fb4eSMark Brown #include <sound/soc.h> 245409fb4eSMark Brown #include <sound/initval.h> 255409fb4eSMark Brown 265409fb4eSMark Brown #include "wm8988.h" 275409fb4eSMark Brown 285409fb4eSMark Brown /* 295409fb4eSMark Brown * wm8988 register cache 305409fb4eSMark Brown * We can't read the WM8988 register space when we 315409fb4eSMark Brown * are using 2 wire for device control, so we cache them instead. 325409fb4eSMark Brown */ 33d2dc0a77SMark Brown static const struct reg_default wm8988_reg_defaults[] = { 34d2dc0a77SMark Brown { 0, 0x0097 }, 35d2dc0a77SMark Brown { 1, 0x0097 }, 36d2dc0a77SMark Brown { 2, 0x0079 }, 37d2dc0a77SMark Brown { 3, 0x0079 }, 38d2dc0a77SMark Brown { 5, 0x0008 }, 39d2dc0a77SMark Brown { 7, 0x000a }, 40d2dc0a77SMark Brown { 8, 0x0000 }, 41d2dc0a77SMark Brown { 10, 0x00ff }, 42d2dc0a77SMark Brown { 11, 0x00ff }, 43d2dc0a77SMark Brown { 12, 0x000f }, 44d2dc0a77SMark Brown { 13, 0x000f }, 45d2dc0a77SMark Brown { 16, 0x0000 }, 46d2dc0a77SMark Brown { 17, 0x007b }, 47d2dc0a77SMark Brown { 18, 0x0000 }, 48d2dc0a77SMark Brown { 19, 0x0032 }, 49d2dc0a77SMark Brown { 20, 0x0000 }, 50d2dc0a77SMark Brown { 21, 0x00c3 }, 51d2dc0a77SMark Brown { 22, 0x00c3 }, 52d2dc0a77SMark Brown { 23, 0x00c0 }, 53d2dc0a77SMark Brown { 24, 0x0000 }, 54d2dc0a77SMark Brown { 25, 0x0000 }, 55d2dc0a77SMark Brown { 26, 0x0000 }, 56d2dc0a77SMark Brown { 27, 0x0000 }, 57d2dc0a77SMark Brown { 31, 0x0000 }, 58d2dc0a77SMark Brown { 32, 0x0000 }, 59d2dc0a77SMark Brown { 33, 0x0000 }, 60d2dc0a77SMark Brown { 34, 0x0050 }, 61d2dc0a77SMark Brown { 35, 0x0050 }, 62d2dc0a77SMark Brown { 36, 0x0050 }, 63d2dc0a77SMark Brown { 37, 0x0050 }, 64d2dc0a77SMark Brown { 40, 0x0079 }, 65d2dc0a77SMark Brown { 41, 0x0079 }, 66d2dc0a77SMark Brown { 42, 0x0079 }, 675409fb4eSMark Brown }; 685409fb4eSMark Brown 69d2dc0a77SMark Brown static bool wm8988_writeable(struct device *dev, unsigned int reg) 70d2dc0a77SMark Brown { 71d2dc0a77SMark Brown switch (reg) { 72d2dc0a77SMark Brown case WM8988_LINVOL: 73d2dc0a77SMark Brown case WM8988_RINVOL: 74d2dc0a77SMark Brown case WM8988_LOUT1V: 75d2dc0a77SMark Brown case WM8988_ROUT1V: 76d2dc0a77SMark Brown case WM8988_ADCDAC: 77d2dc0a77SMark Brown case WM8988_IFACE: 78d2dc0a77SMark Brown case WM8988_SRATE: 79d2dc0a77SMark Brown case WM8988_LDAC: 80d2dc0a77SMark Brown case WM8988_RDAC: 81d2dc0a77SMark Brown case WM8988_BASS: 82d2dc0a77SMark Brown case WM8988_TREBLE: 83d2dc0a77SMark Brown case WM8988_RESET: 84d2dc0a77SMark Brown case WM8988_3D: 85d2dc0a77SMark Brown case WM8988_ALC1: 86d2dc0a77SMark Brown case WM8988_ALC2: 87d2dc0a77SMark Brown case WM8988_ALC3: 88d2dc0a77SMark Brown case WM8988_NGATE: 89d2dc0a77SMark Brown case WM8988_LADC: 90d2dc0a77SMark Brown case WM8988_RADC: 91d2dc0a77SMark Brown case WM8988_ADCTL1: 92d2dc0a77SMark Brown case WM8988_ADCTL2: 93d2dc0a77SMark Brown case WM8988_PWR1: 94d2dc0a77SMark Brown case WM8988_PWR2: 95d2dc0a77SMark Brown case WM8988_ADCTL3: 96d2dc0a77SMark Brown case WM8988_ADCIN: 97d2dc0a77SMark Brown case WM8988_LADCIN: 98d2dc0a77SMark Brown case WM8988_RADCIN: 99d2dc0a77SMark Brown case WM8988_LOUTM1: 100d2dc0a77SMark Brown case WM8988_LOUTM2: 101d2dc0a77SMark Brown case WM8988_ROUTM1: 102d2dc0a77SMark Brown case WM8988_ROUTM2: 103d2dc0a77SMark Brown case WM8988_LOUT2V: 104d2dc0a77SMark Brown case WM8988_ROUT2V: 105d2dc0a77SMark Brown case WM8988_LPPB: 106d2dc0a77SMark Brown return true; 107d2dc0a77SMark Brown default: 108d2dc0a77SMark Brown return false; 109d2dc0a77SMark Brown } 110d2dc0a77SMark Brown } 111d2dc0a77SMark Brown 1125409fb4eSMark Brown /* codec private data */ 1135409fb4eSMark Brown struct wm8988_priv { 114d2dc0a77SMark Brown struct regmap *regmap; 1155409fb4eSMark Brown unsigned int sysclk; 116b57efda1SLars-Peter Clausen const struct snd_pcm_hw_constraint_list *sysclk_constraints; 1175409fb4eSMark Brown }; 1185409fb4eSMark Brown 119ab38ff38SKuninori Morimoto #define wm8988_reset(c) snd_soc_component_write(c, WM8988_RESET, 0) 1205409fb4eSMark Brown 1215409fb4eSMark Brown /* 1225409fb4eSMark Brown * WM8988 Controls 1235409fb4eSMark Brown */ 1245409fb4eSMark Brown 1255409fb4eSMark Brown static const char *bass_boost_txt[] = {"Linear Control", "Adaptive Boost"}; 126b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(bass_boost, 127b13a054aSTakashi Iwai WM8988_BASS, 7, bass_boost_txt); 1285409fb4eSMark Brown 1295409fb4eSMark Brown static const char *bass_filter_txt[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" }; 130b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(bass_filter, 131b13a054aSTakashi Iwai WM8988_BASS, 6, bass_filter_txt); 1325409fb4eSMark Brown 1335409fb4eSMark Brown static const char *treble_txt[] = {"8kHz", "4kHz"}; 134b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(treble, 135b13a054aSTakashi Iwai WM8988_TREBLE, 6, treble_txt); 1365409fb4eSMark Brown 1375409fb4eSMark Brown static const char *stereo_3d_lc_txt[] = {"200Hz", "500Hz"}; 138b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(stereo_3d_lc, 139b13a054aSTakashi Iwai WM8988_3D, 5, stereo_3d_lc_txt); 1405409fb4eSMark Brown 1415409fb4eSMark Brown static const char *stereo_3d_uc_txt[] = {"2.2kHz", "1.5kHz"}; 142b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(stereo_3d_uc, 143b13a054aSTakashi Iwai WM8988_3D, 6, stereo_3d_uc_txt); 1445409fb4eSMark Brown 1455409fb4eSMark Brown static const char *stereo_3d_func_txt[] = {"Capture", "Playback"}; 146b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(stereo_3d_func, 147b13a054aSTakashi Iwai WM8988_3D, 7, stereo_3d_func_txt); 1485409fb4eSMark Brown 1495409fb4eSMark Brown static const char *alc_func_txt[] = {"Off", "Right", "Left", "Stereo"}; 150b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(alc_func, 151b13a054aSTakashi Iwai WM8988_ALC1, 7, alc_func_txt); 1525409fb4eSMark Brown 1535409fb4eSMark Brown static const char *ng_type_txt[] = {"Constant PGA Gain", 1545409fb4eSMark Brown "Mute ADC Output"}; 155b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(ng_type, 156b13a054aSTakashi Iwai WM8988_NGATE, 1, ng_type_txt); 1575409fb4eSMark Brown 1585409fb4eSMark Brown static const char *deemph_txt[] = {"None", "32Khz", "44.1Khz", "48Khz"}; 159b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(deemph, 160b13a054aSTakashi Iwai WM8988_ADCDAC, 1, deemph_txt); 1615409fb4eSMark Brown 1625409fb4eSMark Brown static const char *adcpol_txt[] = {"Normal", "L Invert", "R Invert", 1635409fb4eSMark Brown "L + R Invert"}; 164b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(adcpol, 165b13a054aSTakashi Iwai WM8988_ADCDAC, 5, adcpol_txt); 1665409fb4eSMark Brown 1675409fb4eSMark Brown static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0); 1685409fb4eSMark Brown static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1); 1695409fb4eSMark Brown static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); 1705409fb4eSMark Brown static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); 1715409fb4eSMark Brown static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0); 1725409fb4eSMark Brown 1735409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_snd_controls[] = { 1745409fb4eSMark Brown 1755409fb4eSMark Brown SOC_ENUM("Bass Boost", bass_boost), 1765409fb4eSMark Brown SOC_ENUM("Bass Filter", bass_filter), 1775409fb4eSMark Brown SOC_SINGLE("Bass Volume", WM8988_BASS, 0, 15, 1), 1785409fb4eSMark Brown 1795409fb4eSMark Brown SOC_SINGLE("Treble Volume", WM8988_TREBLE, 0, 15, 0), 1805409fb4eSMark Brown SOC_ENUM("Treble Cut-off", treble), 1815409fb4eSMark Brown 1825409fb4eSMark Brown SOC_SINGLE("3D Switch", WM8988_3D, 0, 1, 0), 1835409fb4eSMark Brown SOC_SINGLE("3D Volume", WM8988_3D, 1, 15, 0), 1845409fb4eSMark Brown SOC_ENUM("3D Lower Cut-off", stereo_3d_lc), 1855409fb4eSMark Brown SOC_ENUM("3D Upper Cut-off", stereo_3d_uc), 1865409fb4eSMark Brown SOC_ENUM("3D Mode", stereo_3d_func), 1875409fb4eSMark Brown 1885409fb4eSMark Brown SOC_SINGLE("ALC Capture Target Volume", WM8988_ALC1, 0, 7, 0), 1895409fb4eSMark Brown SOC_SINGLE("ALC Capture Max Volume", WM8988_ALC1, 4, 7, 0), 1905409fb4eSMark Brown SOC_ENUM("ALC Capture Function", alc_func), 1915409fb4eSMark Brown SOC_SINGLE("ALC Capture ZC Switch", WM8988_ALC2, 7, 1, 0), 1925409fb4eSMark Brown SOC_SINGLE("ALC Capture Hold Time", WM8988_ALC2, 0, 15, 0), 1935409fb4eSMark Brown SOC_SINGLE("ALC Capture Decay Time", WM8988_ALC3, 4, 15, 0), 1945409fb4eSMark Brown SOC_SINGLE("ALC Capture Attack Time", WM8988_ALC3, 0, 15, 0), 1955409fb4eSMark Brown SOC_SINGLE("ALC Capture NG Threshold", WM8988_NGATE, 3, 31, 0), 1965409fb4eSMark Brown SOC_ENUM("ALC Capture NG Type", ng_type), 1975409fb4eSMark Brown SOC_SINGLE("ALC Capture NG Switch", WM8988_NGATE, 0, 1, 0), 1985409fb4eSMark Brown 1995409fb4eSMark Brown SOC_SINGLE("ZC Timeout Switch", WM8988_ADCTL1, 0, 1, 0), 2005409fb4eSMark Brown 2015409fb4eSMark Brown SOC_DOUBLE_R_TLV("Capture Digital Volume", WM8988_LADC, WM8988_RADC, 2025409fb4eSMark Brown 0, 255, 0, adc_tlv), 2035409fb4eSMark Brown SOC_DOUBLE_R_TLV("Capture Volume", WM8988_LINVOL, WM8988_RINVOL, 2045409fb4eSMark Brown 0, 63, 0, pga_tlv), 2055409fb4eSMark Brown SOC_DOUBLE_R("Capture ZC Switch", WM8988_LINVOL, WM8988_RINVOL, 6, 1, 0), 2065409fb4eSMark Brown SOC_DOUBLE_R("Capture Switch", WM8988_LINVOL, WM8988_RINVOL, 7, 1, 1), 2075409fb4eSMark Brown 2085409fb4eSMark Brown SOC_ENUM("Playback De-emphasis", deemph), 2095409fb4eSMark Brown 2105409fb4eSMark Brown SOC_ENUM("Capture Polarity", adcpol), 2115409fb4eSMark Brown SOC_SINGLE("Playback 6dB Attenuate", WM8988_ADCDAC, 7, 1, 0), 2125409fb4eSMark Brown SOC_SINGLE("Capture 6dB Attenuate", WM8988_ADCDAC, 8, 1, 0), 2135409fb4eSMark Brown 2145409fb4eSMark Brown SOC_DOUBLE_R_TLV("PCM Volume", WM8988_LDAC, WM8988_RDAC, 0, 255, 0, dac_tlv), 2155409fb4eSMark Brown 2165409fb4eSMark Brown SOC_SINGLE_TLV("Left Mixer Left Bypass Volume", WM8988_LOUTM1, 4, 7, 1, 2175409fb4eSMark Brown bypass_tlv), 2185409fb4eSMark Brown SOC_SINGLE_TLV("Left Mixer Right Bypass Volume", WM8988_LOUTM2, 4, 7, 1, 2195409fb4eSMark Brown bypass_tlv), 2205409fb4eSMark Brown SOC_SINGLE_TLV("Right Mixer Left Bypass Volume", WM8988_ROUTM1, 4, 7, 1, 2215409fb4eSMark Brown bypass_tlv), 2225409fb4eSMark Brown SOC_SINGLE_TLV("Right Mixer Right Bypass Volume", WM8988_ROUTM2, 4, 7, 1, 2235409fb4eSMark Brown bypass_tlv), 2245409fb4eSMark Brown 2255409fb4eSMark Brown SOC_DOUBLE_R("Output 1 Playback ZC Switch", WM8988_LOUT1V, 2265409fb4eSMark Brown WM8988_ROUT1V, 7, 1, 0), 2275409fb4eSMark Brown SOC_DOUBLE_R_TLV("Output 1 Playback Volume", WM8988_LOUT1V, WM8988_ROUT1V, 2285409fb4eSMark Brown 0, 127, 0, out_tlv), 2295409fb4eSMark Brown 2305409fb4eSMark Brown SOC_DOUBLE_R("Output 2 Playback ZC Switch", WM8988_LOUT2V, 2315409fb4eSMark Brown WM8988_ROUT2V, 7, 1, 0), 2325409fb4eSMark Brown SOC_DOUBLE_R_TLV("Output 2 Playback Volume", WM8988_LOUT2V, WM8988_ROUT2V, 2335409fb4eSMark Brown 0, 127, 0, out_tlv), 2345409fb4eSMark Brown 2355409fb4eSMark Brown }; 2365409fb4eSMark Brown 2375409fb4eSMark Brown /* 2385409fb4eSMark Brown * DAPM Controls 2395409fb4eSMark Brown */ 2405409fb4eSMark Brown 2415409fb4eSMark Brown static int wm8988_lrc_control(struct snd_soc_dapm_widget *w, 2425409fb4eSMark Brown struct snd_kcontrol *kcontrol, int event) 2435409fb4eSMark Brown { 244ab38ff38SKuninori Morimoto struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 2456d75dfc3SKuninori Morimoto u16 adctl2 = snd_soc_component_read(component, WM8988_ADCTL2); 2465409fb4eSMark Brown 2475409fb4eSMark Brown /* Use the DAC to gate LRC if active, otherwise use ADC */ 2486d75dfc3SKuninori Morimoto if (snd_soc_component_read(component, WM8988_PWR2) & 0x180) 2495409fb4eSMark Brown adctl2 &= ~0x4; 2505409fb4eSMark Brown else 2515409fb4eSMark Brown adctl2 |= 0x4; 2525409fb4eSMark Brown 253ab38ff38SKuninori Morimoto return snd_soc_component_write(component, WM8988_ADCTL2, adctl2); 2545409fb4eSMark Brown } 2555409fb4eSMark Brown 2565409fb4eSMark Brown static const char *wm8988_line_texts[] = { 2575409fb4eSMark Brown "Line 1", "Line 2", "PGA", "Differential"}; 2585409fb4eSMark Brown 2595409fb4eSMark Brown static const unsigned int wm8988_line_values[] = { 2605409fb4eSMark Brown 0, 1, 3, 4}; 2615409fb4eSMark Brown 2625409fb4eSMark Brown static const struct soc_enum wm8988_lline_enum = 2635409fb4eSMark Brown SOC_VALUE_ENUM_SINGLE(WM8988_LOUTM1, 0, 7, 2645409fb4eSMark Brown ARRAY_SIZE(wm8988_line_texts), 2655409fb4eSMark Brown wm8988_line_texts, 2665409fb4eSMark Brown wm8988_line_values); 2675409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_left_line_controls = 268fb7d79e5SLars-Peter Clausen SOC_DAPM_ENUM("Route", wm8988_lline_enum); 2695409fb4eSMark Brown 2705409fb4eSMark Brown static const struct soc_enum wm8988_rline_enum = 2715409fb4eSMark Brown SOC_VALUE_ENUM_SINGLE(WM8988_ROUTM1, 0, 7, 2725409fb4eSMark Brown ARRAY_SIZE(wm8988_line_texts), 2735409fb4eSMark Brown wm8988_line_texts, 2745409fb4eSMark Brown wm8988_line_values); 2755409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_right_line_controls = 276c101fb29SYueHaibing SOC_DAPM_ENUM("Route", wm8988_rline_enum); 2775409fb4eSMark Brown 2785409fb4eSMark Brown /* Left Mixer */ 2795409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_left_mixer_controls[] = { 2805409fb4eSMark Brown SOC_DAPM_SINGLE("Playback Switch", WM8988_LOUTM1, 8, 1, 0), 2815409fb4eSMark Brown SOC_DAPM_SINGLE("Left Bypass Switch", WM8988_LOUTM1, 7, 1, 0), 2825409fb4eSMark Brown SOC_DAPM_SINGLE("Right Playback Switch", WM8988_LOUTM2, 8, 1, 0), 2835409fb4eSMark Brown SOC_DAPM_SINGLE("Right Bypass Switch", WM8988_LOUTM2, 7, 1, 0), 2845409fb4eSMark Brown }; 2855409fb4eSMark Brown 2865409fb4eSMark Brown /* Right Mixer */ 2875409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_right_mixer_controls[] = { 2885409fb4eSMark Brown SOC_DAPM_SINGLE("Left Playback Switch", WM8988_ROUTM1, 8, 1, 0), 2895409fb4eSMark Brown SOC_DAPM_SINGLE("Left Bypass Switch", WM8988_ROUTM1, 7, 1, 0), 2905409fb4eSMark Brown SOC_DAPM_SINGLE("Playback Switch", WM8988_ROUTM2, 8, 1, 0), 2915409fb4eSMark Brown SOC_DAPM_SINGLE("Right Bypass Switch", WM8988_ROUTM2, 7, 1, 0), 2925409fb4eSMark Brown }; 2935409fb4eSMark Brown 2945409fb4eSMark Brown static const char *wm8988_pga_sel[] = {"Line 1", "Line 2", "Differential"}; 2955409fb4eSMark Brown static const unsigned int wm8988_pga_val[] = { 0, 1, 3 }; 2965409fb4eSMark Brown 2975409fb4eSMark Brown /* Left PGA Mux */ 2985409fb4eSMark Brown static const struct soc_enum wm8988_lpga_enum = 2995409fb4eSMark Brown SOC_VALUE_ENUM_SINGLE(WM8988_LADCIN, 6, 3, 3005409fb4eSMark Brown ARRAY_SIZE(wm8988_pga_sel), 3015409fb4eSMark Brown wm8988_pga_sel, 3025409fb4eSMark Brown wm8988_pga_val); 3035409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_left_pga_controls = 304fb7d79e5SLars-Peter Clausen SOC_DAPM_ENUM("Route", wm8988_lpga_enum); 3055409fb4eSMark Brown 3065409fb4eSMark Brown /* Right PGA Mux */ 3075409fb4eSMark Brown static const struct soc_enum wm8988_rpga_enum = 3085409fb4eSMark Brown SOC_VALUE_ENUM_SINGLE(WM8988_RADCIN, 6, 3, 3095409fb4eSMark Brown ARRAY_SIZE(wm8988_pga_sel), 3105409fb4eSMark Brown wm8988_pga_sel, 3115409fb4eSMark Brown wm8988_pga_val); 3125409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_right_pga_controls = 313fb7d79e5SLars-Peter Clausen SOC_DAPM_ENUM("Route", wm8988_rpga_enum); 3145409fb4eSMark Brown 3155409fb4eSMark Brown /* Differential Mux */ 3165409fb4eSMark Brown static const char *wm8988_diff_sel[] = {"Line 1", "Line 2"}; 317b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(diffmux, 318b13a054aSTakashi Iwai WM8988_ADCIN, 8, wm8988_diff_sel); 3195409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_diffmux_controls = 3205409fb4eSMark Brown SOC_DAPM_ENUM("Route", diffmux); 3215409fb4eSMark Brown 3225409fb4eSMark Brown /* Mono ADC Mux */ 3235409fb4eSMark Brown static const char *wm8988_mono_mux[] = {"Stereo", "Mono (Left)", 3245409fb4eSMark Brown "Mono (Right)", "Digital Mono"}; 325b13a054aSTakashi Iwai static SOC_ENUM_SINGLE_DECL(monomux, 326b13a054aSTakashi Iwai WM8988_ADCIN, 6, wm8988_mono_mux); 3275409fb4eSMark Brown static const struct snd_kcontrol_new wm8988_monomux_controls = 3285409fb4eSMark Brown SOC_DAPM_ENUM("Route", monomux); 3295409fb4eSMark Brown 3305409fb4eSMark Brown static const struct snd_soc_dapm_widget wm8988_dapm_widgets[] = { 331be48f20dSMark Brown SND_SOC_DAPM_SUPPLY("Mic Bias", WM8988_PWR1, 1, 0, NULL, 0), 3325409fb4eSMark Brown 3335409fb4eSMark Brown SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, 3345409fb4eSMark Brown &wm8988_diffmux_controls), 3355409fb4eSMark Brown SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, 3365409fb4eSMark Brown &wm8988_monomux_controls), 3375409fb4eSMark Brown SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, 3385409fb4eSMark Brown &wm8988_monomux_controls), 3395409fb4eSMark Brown 3405409fb4eSMark Brown SND_SOC_DAPM_MUX("Left PGA Mux", WM8988_PWR1, 5, 0, 3415409fb4eSMark Brown &wm8988_left_pga_controls), 3425409fb4eSMark Brown SND_SOC_DAPM_MUX("Right PGA Mux", WM8988_PWR1, 4, 0, 3435409fb4eSMark Brown &wm8988_right_pga_controls), 3445409fb4eSMark Brown 3455409fb4eSMark Brown SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, 3465409fb4eSMark Brown &wm8988_left_line_controls), 3475409fb4eSMark Brown SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, 3485409fb4eSMark Brown &wm8988_right_line_controls), 3495409fb4eSMark Brown 3505409fb4eSMark Brown SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8988_PWR1, 2, 0), 3515409fb4eSMark Brown SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8988_PWR1, 3, 0), 3525409fb4eSMark Brown 3535409fb4eSMark Brown SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8988_PWR2, 7, 0), 3545409fb4eSMark Brown SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8988_PWR2, 8, 0), 3555409fb4eSMark Brown 3565409fb4eSMark Brown SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, 3575409fb4eSMark Brown &wm8988_left_mixer_controls[0], 3585409fb4eSMark Brown ARRAY_SIZE(wm8988_left_mixer_controls)), 3595409fb4eSMark Brown SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, 3605409fb4eSMark Brown &wm8988_right_mixer_controls[0], 3615409fb4eSMark Brown ARRAY_SIZE(wm8988_right_mixer_controls)), 3625409fb4eSMark Brown 3635409fb4eSMark Brown SND_SOC_DAPM_PGA("Right Out 2", WM8988_PWR2, 3, 0, NULL, 0), 3645409fb4eSMark Brown SND_SOC_DAPM_PGA("Left Out 2", WM8988_PWR2, 4, 0, NULL, 0), 3655409fb4eSMark Brown SND_SOC_DAPM_PGA("Right Out 1", WM8988_PWR2, 5, 0, NULL, 0), 3665409fb4eSMark Brown SND_SOC_DAPM_PGA("Left Out 1", WM8988_PWR2, 6, 0, NULL, 0), 3675409fb4eSMark Brown 3685409fb4eSMark Brown SND_SOC_DAPM_POST("LRC control", wm8988_lrc_control), 3695409fb4eSMark Brown 3705409fb4eSMark Brown SND_SOC_DAPM_OUTPUT("LOUT1"), 3715409fb4eSMark Brown SND_SOC_DAPM_OUTPUT("ROUT1"), 3725409fb4eSMark Brown SND_SOC_DAPM_OUTPUT("LOUT2"), 3735409fb4eSMark Brown SND_SOC_DAPM_OUTPUT("ROUT2"), 3745409fb4eSMark Brown SND_SOC_DAPM_OUTPUT("VREF"), 3755409fb4eSMark Brown 3765409fb4eSMark Brown SND_SOC_DAPM_INPUT("LINPUT1"), 3775409fb4eSMark Brown SND_SOC_DAPM_INPUT("LINPUT2"), 3785409fb4eSMark Brown SND_SOC_DAPM_INPUT("RINPUT1"), 3795409fb4eSMark Brown SND_SOC_DAPM_INPUT("RINPUT2"), 3805409fb4eSMark Brown }; 3815409fb4eSMark Brown 382dd21353fSMark Brown static const struct snd_soc_dapm_route wm8988_dapm_routes[] = { 3835409fb4eSMark Brown 3845409fb4eSMark Brown { "Left Line Mux", "Line 1", "LINPUT1" }, 3855409fb4eSMark Brown { "Left Line Mux", "Line 2", "LINPUT2" }, 3865409fb4eSMark Brown { "Left Line Mux", "PGA", "Left PGA Mux" }, 3875409fb4eSMark Brown { "Left Line Mux", "Differential", "Differential Mux" }, 3885409fb4eSMark Brown 3895409fb4eSMark Brown { "Right Line Mux", "Line 1", "RINPUT1" }, 3905409fb4eSMark Brown { "Right Line Mux", "Line 2", "RINPUT2" }, 3915409fb4eSMark Brown { "Right Line Mux", "PGA", "Right PGA Mux" }, 3925409fb4eSMark Brown { "Right Line Mux", "Differential", "Differential Mux" }, 3935409fb4eSMark Brown 3945409fb4eSMark Brown { "Left PGA Mux", "Line 1", "LINPUT1" }, 3955409fb4eSMark Brown { "Left PGA Mux", "Line 2", "LINPUT2" }, 3965409fb4eSMark Brown { "Left PGA Mux", "Differential", "Differential Mux" }, 3975409fb4eSMark Brown 3985409fb4eSMark Brown { "Right PGA Mux", "Line 1", "RINPUT1" }, 3995409fb4eSMark Brown { "Right PGA Mux", "Line 2", "RINPUT2" }, 4005409fb4eSMark Brown { "Right PGA Mux", "Differential", "Differential Mux" }, 4015409fb4eSMark Brown 4025409fb4eSMark Brown { "Differential Mux", "Line 1", "LINPUT1" }, 4035409fb4eSMark Brown { "Differential Mux", "Line 1", "RINPUT1" }, 4045409fb4eSMark Brown { "Differential Mux", "Line 2", "LINPUT2" }, 4055409fb4eSMark Brown { "Differential Mux", "Line 2", "RINPUT2" }, 4065409fb4eSMark Brown 4075409fb4eSMark Brown { "Left ADC Mux", "Stereo", "Left PGA Mux" }, 4085409fb4eSMark Brown { "Left ADC Mux", "Mono (Left)", "Left PGA Mux" }, 4095409fb4eSMark Brown { "Left ADC Mux", "Digital Mono", "Left PGA Mux" }, 4105409fb4eSMark Brown 4115409fb4eSMark Brown { "Right ADC Mux", "Stereo", "Right PGA Mux" }, 4125409fb4eSMark Brown { "Right ADC Mux", "Mono (Right)", "Right PGA Mux" }, 4135409fb4eSMark Brown { "Right ADC Mux", "Digital Mono", "Right PGA Mux" }, 4145409fb4eSMark Brown 4155409fb4eSMark Brown { "Left ADC", NULL, "Left ADC Mux" }, 4165409fb4eSMark Brown { "Right ADC", NULL, "Right ADC Mux" }, 4175409fb4eSMark Brown 4185409fb4eSMark Brown { "Left Line Mux", "Line 1", "LINPUT1" }, 4195409fb4eSMark Brown { "Left Line Mux", "Line 2", "LINPUT2" }, 4205409fb4eSMark Brown { "Left Line Mux", "PGA", "Left PGA Mux" }, 4215409fb4eSMark Brown { "Left Line Mux", "Differential", "Differential Mux" }, 4225409fb4eSMark Brown 4235409fb4eSMark Brown { "Right Line Mux", "Line 1", "RINPUT1" }, 4245409fb4eSMark Brown { "Right Line Mux", "Line 2", "RINPUT2" }, 4255409fb4eSMark Brown { "Right Line Mux", "PGA", "Right PGA Mux" }, 4265409fb4eSMark Brown { "Right Line Mux", "Differential", "Differential Mux" }, 4275409fb4eSMark Brown 4285409fb4eSMark Brown { "Left Mixer", "Playback Switch", "Left DAC" }, 4295409fb4eSMark Brown { "Left Mixer", "Left Bypass Switch", "Left Line Mux" }, 4305409fb4eSMark Brown { "Left Mixer", "Right Playback Switch", "Right DAC" }, 4315409fb4eSMark Brown { "Left Mixer", "Right Bypass Switch", "Right Line Mux" }, 4325409fb4eSMark Brown 4335409fb4eSMark Brown { "Right Mixer", "Left Playback Switch", "Left DAC" }, 4345409fb4eSMark Brown { "Right Mixer", "Left Bypass Switch", "Left Line Mux" }, 4355409fb4eSMark Brown { "Right Mixer", "Playback Switch", "Right DAC" }, 4365409fb4eSMark Brown { "Right Mixer", "Right Bypass Switch", "Right Line Mux" }, 4375409fb4eSMark Brown 4385409fb4eSMark Brown { "Left Out 1", NULL, "Left Mixer" }, 4395409fb4eSMark Brown { "LOUT1", NULL, "Left Out 1" }, 4405409fb4eSMark Brown { "Right Out 1", NULL, "Right Mixer" }, 4415409fb4eSMark Brown { "ROUT1", NULL, "Right Out 1" }, 4425409fb4eSMark Brown 4435409fb4eSMark Brown { "Left Out 2", NULL, "Left Mixer" }, 4445409fb4eSMark Brown { "LOUT2", NULL, "Left Out 2" }, 4455409fb4eSMark Brown { "Right Out 2", NULL, "Right Mixer" }, 4465409fb4eSMark Brown { "ROUT2", NULL, "Right Out 2" }, 4475409fb4eSMark Brown }; 4485409fb4eSMark Brown 4495409fb4eSMark Brown struct _coeff_div { 4505409fb4eSMark Brown u32 mclk; 4515409fb4eSMark Brown u32 rate; 4525409fb4eSMark Brown u16 fs; 4535409fb4eSMark Brown u8 sr:5; 4545409fb4eSMark Brown u8 usb:1; 4555409fb4eSMark Brown }; 4565409fb4eSMark Brown 4575409fb4eSMark Brown /* codec hifi mclk clock divider coefficients */ 4585409fb4eSMark Brown static const struct _coeff_div coeff_div[] = { 4595409fb4eSMark Brown /* 8k */ 4605409fb4eSMark Brown {12288000, 8000, 1536, 0x6, 0x0}, 4615409fb4eSMark Brown {11289600, 8000, 1408, 0x16, 0x0}, 4625409fb4eSMark Brown {18432000, 8000, 2304, 0x7, 0x0}, 4635409fb4eSMark Brown {16934400, 8000, 2112, 0x17, 0x0}, 4645409fb4eSMark Brown {12000000, 8000, 1500, 0x6, 0x1}, 4655409fb4eSMark Brown 4665409fb4eSMark Brown /* 11.025k */ 4675409fb4eSMark Brown {11289600, 11025, 1024, 0x18, 0x0}, 4685409fb4eSMark Brown {16934400, 11025, 1536, 0x19, 0x0}, 4695409fb4eSMark Brown {12000000, 11025, 1088, 0x19, 0x1}, 4705409fb4eSMark Brown 4715409fb4eSMark Brown /* 16k */ 4725409fb4eSMark Brown {12288000, 16000, 768, 0xa, 0x0}, 4735409fb4eSMark Brown {18432000, 16000, 1152, 0xb, 0x0}, 4745409fb4eSMark Brown {12000000, 16000, 750, 0xa, 0x1}, 4755409fb4eSMark Brown 4765409fb4eSMark Brown /* 22.05k */ 4775409fb4eSMark Brown {11289600, 22050, 512, 0x1a, 0x0}, 4785409fb4eSMark Brown {16934400, 22050, 768, 0x1b, 0x0}, 4795409fb4eSMark Brown {12000000, 22050, 544, 0x1b, 0x1}, 4805409fb4eSMark Brown 4815409fb4eSMark Brown /* 32k */ 4825409fb4eSMark Brown {12288000, 32000, 384, 0xc, 0x0}, 4835409fb4eSMark Brown {18432000, 32000, 576, 0xd, 0x0}, 4845409fb4eSMark Brown {12000000, 32000, 375, 0xa, 0x1}, 4855409fb4eSMark Brown 4865409fb4eSMark Brown /* 44.1k */ 4875409fb4eSMark Brown {11289600, 44100, 256, 0x10, 0x0}, 4885409fb4eSMark Brown {16934400, 44100, 384, 0x11, 0x0}, 4895409fb4eSMark Brown {12000000, 44100, 272, 0x11, 0x1}, 4905409fb4eSMark Brown 4915409fb4eSMark Brown /* 48k */ 4925409fb4eSMark Brown {12288000, 48000, 256, 0x0, 0x0}, 4935409fb4eSMark Brown {18432000, 48000, 384, 0x1, 0x0}, 4945409fb4eSMark Brown {12000000, 48000, 250, 0x0, 0x1}, 4955409fb4eSMark Brown 4965409fb4eSMark Brown /* 88.2k */ 4975409fb4eSMark Brown {11289600, 88200, 128, 0x1e, 0x0}, 4985409fb4eSMark Brown {16934400, 88200, 192, 0x1f, 0x0}, 4995409fb4eSMark Brown {12000000, 88200, 136, 0x1f, 0x1}, 5005409fb4eSMark Brown 5015409fb4eSMark Brown /* 96k */ 5025409fb4eSMark Brown {12288000, 96000, 128, 0xe, 0x0}, 5035409fb4eSMark Brown {18432000, 96000, 192, 0xf, 0x0}, 5045409fb4eSMark Brown {12000000, 96000, 125, 0xe, 0x1}, 5055409fb4eSMark Brown }; 5065409fb4eSMark Brown 5075409fb4eSMark Brown static inline int get_coeff(int mclk, int rate) 5085409fb4eSMark Brown { 5095409fb4eSMark Brown int i; 5105409fb4eSMark Brown 5115409fb4eSMark Brown for (i = 0; i < ARRAY_SIZE(coeff_div); i++) { 5125409fb4eSMark Brown if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) 5135409fb4eSMark Brown return i; 5145409fb4eSMark Brown } 5155409fb4eSMark Brown 5165409fb4eSMark Brown return -EINVAL; 5175409fb4eSMark Brown } 5185409fb4eSMark Brown 5195409fb4eSMark Brown /* The set of rates we can generate from the above for each SYSCLK */ 5205409fb4eSMark Brown 521b57efda1SLars-Peter Clausen static const unsigned int rates_12288[] = { 522c9c9780dSLadislav Michl 8000, 12000, 16000, 24000, 32000, 48000, 96000, 5235409fb4eSMark Brown }; 5245409fb4eSMark Brown 525b57efda1SLars-Peter Clausen static const struct snd_pcm_hw_constraint_list constraints_12288 = { 5265409fb4eSMark Brown .count = ARRAY_SIZE(rates_12288), 5275409fb4eSMark Brown .list = rates_12288, 5285409fb4eSMark Brown }; 5295409fb4eSMark Brown 530b57efda1SLars-Peter Clausen static const unsigned int rates_112896[] = { 5315409fb4eSMark Brown 8000, 11025, 22050, 44100, 5325409fb4eSMark Brown }; 5335409fb4eSMark Brown 534b57efda1SLars-Peter Clausen static const struct snd_pcm_hw_constraint_list constraints_112896 = { 5355409fb4eSMark Brown .count = ARRAY_SIZE(rates_112896), 5365409fb4eSMark Brown .list = rates_112896, 5375409fb4eSMark Brown }; 5385409fb4eSMark Brown 539b57efda1SLars-Peter Clausen static const unsigned int rates_12[] = { 540c9c9780dSLadislav Michl 8000, 11025, 12000, 16000, 22050, 24000, 32000, 41100, 48000, 5415409fb4eSMark Brown 48000, 88235, 96000, 5425409fb4eSMark Brown }; 5435409fb4eSMark Brown 544b57efda1SLars-Peter Clausen static const struct snd_pcm_hw_constraint_list constraints_12 = { 5455409fb4eSMark Brown .count = ARRAY_SIZE(rates_12), 5465409fb4eSMark Brown .list = rates_12, 5475409fb4eSMark Brown }; 5485409fb4eSMark Brown 5495409fb4eSMark Brown /* 5505409fb4eSMark Brown * Note that this should be called from init rather than from hw_params. 5515409fb4eSMark Brown */ 5525409fb4eSMark Brown static int wm8988_set_dai_sysclk(struct snd_soc_dai *codec_dai, 5535409fb4eSMark Brown int clk_id, unsigned int freq, int dir) 5545409fb4eSMark Brown { 555ab38ff38SKuninori Morimoto struct snd_soc_component *component = codec_dai->component; 556ab38ff38SKuninori Morimoto struct wm8988_priv *wm8988 = snd_soc_component_get_drvdata(component); 5575409fb4eSMark Brown 5585409fb4eSMark Brown switch (freq) { 5595409fb4eSMark Brown case 11289600: 5605409fb4eSMark Brown case 18432000: 5615409fb4eSMark Brown case 22579200: 5625409fb4eSMark Brown case 36864000: 5635409fb4eSMark Brown wm8988->sysclk_constraints = &constraints_112896; 5645409fb4eSMark Brown wm8988->sysclk = freq; 5655409fb4eSMark Brown return 0; 5665409fb4eSMark Brown 5675409fb4eSMark Brown case 12288000: 5685409fb4eSMark Brown case 16934400: 5695409fb4eSMark Brown case 24576000: 5705409fb4eSMark Brown case 33868800: 5715409fb4eSMark Brown wm8988->sysclk_constraints = &constraints_12288; 5725409fb4eSMark Brown wm8988->sysclk = freq; 5735409fb4eSMark Brown return 0; 5745409fb4eSMark Brown 5755409fb4eSMark Brown case 12000000: 5765409fb4eSMark Brown case 24000000: 5775409fb4eSMark Brown wm8988->sysclk_constraints = &constraints_12; 5785409fb4eSMark Brown wm8988->sysclk = freq; 5795409fb4eSMark Brown return 0; 5805409fb4eSMark Brown } 5815409fb4eSMark Brown return -EINVAL; 5825409fb4eSMark Brown } 5835409fb4eSMark Brown 5845409fb4eSMark Brown static int wm8988_set_dai_fmt(struct snd_soc_dai *codec_dai, 5855409fb4eSMark Brown unsigned int fmt) 5865409fb4eSMark Brown { 587ab38ff38SKuninori Morimoto struct snd_soc_component *component = codec_dai->component; 5885409fb4eSMark Brown u16 iface = 0; 5895409fb4eSMark Brown 5905409fb4eSMark Brown /* set master/slave audio interface */ 5915409fb4eSMark Brown switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 5925409fb4eSMark Brown case SND_SOC_DAIFMT_CBM_CFM: 5935409fb4eSMark Brown iface = 0x0040; 5945409fb4eSMark Brown break; 5955409fb4eSMark Brown case SND_SOC_DAIFMT_CBS_CFS: 5965409fb4eSMark Brown break; 5975409fb4eSMark Brown default: 5985409fb4eSMark Brown return -EINVAL; 5995409fb4eSMark Brown } 6005409fb4eSMark Brown 6015409fb4eSMark Brown /* interface format */ 6025409fb4eSMark Brown switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 6035409fb4eSMark Brown case SND_SOC_DAIFMT_I2S: 6045409fb4eSMark Brown iface |= 0x0002; 6055409fb4eSMark Brown break; 6065409fb4eSMark Brown case SND_SOC_DAIFMT_RIGHT_J: 6075409fb4eSMark Brown break; 6085409fb4eSMark Brown case SND_SOC_DAIFMT_LEFT_J: 6095409fb4eSMark Brown iface |= 0x0001; 6105409fb4eSMark Brown break; 6115409fb4eSMark Brown case SND_SOC_DAIFMT_DSP_A: 6125409fb4eSMark Brown iface |= 0x0003; 6135409fb4eSMark Brown break; 6145409fb4eSMark Brown case SND_SOC_DAIFMT_DSP_B: 6155409fb4eSMark Brown iface |= 0x0013; 6165409fb4eSMark Brown break; 6175409fb4eSMark Brown default: 6185409fb4eSMark Brown return -EINVAL; 6195409fb4eSMark Brown } 6205409fb4eSMark Brown 6215409fb4eSMark Brown /* clock inversion */ 6225409fb4eSMark Brown switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 6235409fb4eSMark Brown case SND_SOC_DAIFMT_NB_NF: 6245409fb4eSMark Brown break; 6255409fb4eSMark Brown case SND_SOC_DAIFMT_IB_IF: 6265409fb4eSMark Brown iface |= 0x0090; 6275409fb4eSMark Brown break; 6285409fb4eSMark Brown case SND_SOC_DAIFMT_IB_NF: 6295409fb4eSMark Brown iface |= 0x0080; 6305409fb4eSMark Brown break; 6315409fb4eSMark Brown case SND_SOC_DAIFMT_NB_IF: 6325409fb4eSMark Brown iface |= 0x0010; 6335409fb4eSMark Brown break; 6345409fb4eSMark Brown default: 6355409fb4eSMark Brown return -EINVAL; 6365409fb4eSMark Brown } 6375409fb4eSMark Brown 638ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_IFACE, iface); 6395409fb4eSMark Brown return 0; 6405409fb4eSMark Brown } 6415409fb4eSMark Brown 6425409fb4eSMark Brown static int wm8988_pcm_startup(struct snd_pcm_substream *substream, 6435409fb4eSMark Brown struct snd_soc_dai *dai) 6445409fb4eSMark Brown { 645ab38ff38SKuninori Morimoto struct snd_soc_component *component = dai->component; 646ab38ff38SKuninori Morimoto struct wm8988_priv *wm8988 = snd_soc_component_get_drvdata(component); 6475409fb4eSMark Brown 6485409fb4eSMark Brown /* The set of sample rates that can be supported depends on the 6495409fb4eSMark Brown * MCLK supplied to the CODEC - enforce this. 6505409fb4eSMark Brown */ 6515409fb4eSMark Brown if (!wm8988->sysclk) { 652ab38ff38SKuninori Morimoto dev_err(component->dev, 6535409fb4eSMark Brown "No MCLK configured, call set_sysclk() on init\n"); 6545409fb4eSMark Brown return -EINVAL; 6555409fb4eSMark Brown } 6565409fb4eSMark Brown 6575409fb4eSMark Brown snd_pcm_hw_constraint_list(substream->runtime, 0, 6585409fb4eSMark Brown SNDRV_PCM_HW_PARAM_RATE, 6595409fb4eSMark Brown wm8988->sysclk_constraints); 6605409fb4eSMark Brown 6615409fb4eSMark Brown return 0; 6625409fb4eSMark Brown } 6635409fb4eSMark Brown 6645409fb4eSMark Brown static int wm8988_pcm_hw_params(struct snd_pcm_substream *substream, 6655409fb4eSMark Brown struct snd_pcm_hw_params *params, 6665409fb4eSMark Brown struct snd_soc_dai *dai) 6675409fb4eSMark Brown { 668ab38ff38SKuninori Morimoto struct snd_soc_component *component = dai->component; 669ab38ff38SKuninori Morimoto struct wm8988_priv *wm8988 = snd_soc_component_get_drvdata(component); 6706d75dfc3SKuninori Morimoto u16 iface = snd_soc_component_read(component, WM8988_IFACE) & 0x1f3; 6716d75dfc3SKuninori Morimoto u16 srate = snd_soc_component_read(component, WM8988_SRATE) & 0x180; 6725409fb4eSMark Brown int coeff; 6735409fb4eSMark Brown 6745409fb4eSMark Brown coeff = get_coeff(wm8988->sysclk, params_rate(params)); 6755409fb4eSMark Brown if (coeff < 0) { 6765409fb4eSMark Brown coeff = get_coeff(wm8988->sysclk / 2, params_rate(params)); 6775409fb4eSMark Brown srate |= 0x40; 6785409fb4eSMark Brown } 6795409fb4eSMark Brown if (coeff < 0) { 680ab38ff38SKuninori Morimoto dev_err(component->dev, 6815409fb4eSMark Brown "Unable to configure sample rate %dHz with %dHz MCLK\n", 6825409fb4eSMark Brown params_rate(params), wm8988->sysclk); 6835409fb4eSMark Brown return coeff; 6845409fb4eSMark Brown } 6855409fb4eSMark Brown 6865409fb4eSMark Brown /* bit size */ 6878cd2ba09SMark Brown switch (params_width(params)) { 6888cd2ba09SMark Brown case 16: 6895409fb4eSMark Brown break; 6908cd2ba09SMark Brown case 20: 6915409fb4eSMark Brown iface |= 0x0004; 6925409fb4eSMark Brown break; 6938cd2ba09SMark Brown case 24: 6945409fb4eSMark Brown iface |= 0x0008; 6955409fb4eSMark Brown break; 6968cd2ba09SMark Brown case 32: 6975409fb4eSMark Brown iface |= 0x000c; 6985409fb4eSMark Brown break; 6995409fb4eSMark Brown } 7005409fb4eSMark Brown 7015409fb4eSMark Brown /* set iface & srate */ 702ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_IFACE, iface); 7035409fb4eSMark Brown if (coeff >= 0) 704ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_SRATE, srate | 7055409fb4eSMark Brown (coeff_div[coeff].sr << 1) | coeff_div[coeff].usb); 7065409fb4eSMark Brown 7075409fb4eSMark Brown return 0; 7085409fb4eSMark Brown } 7095409fb4eSMark Brown 71026d3c16eSKuninori Morimoto static int wm8988_mute(struct snd_soc_dai *dai, int mute, int direction) 7115409fb4eSMark Brown { 712ab38ff38SKuninori Morimoto struct snd_soc_component *component = dai->component; 7136d75dfc3SKuninori Morimoto u16 mute_reg = snd_soc_component_read(component, WM8988_ADCDAC) & 0xfff7; 7145409fb4eSMark Brown 7155409fb4eSMark Brown if (mute) 716ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_ADCDAC, mute_reg | 0x8); 7175409fb4eSMark Brown else 718ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_ADCDAC, mute_reg); 7195409fb4eSMark Brown return 0; 7205409fb4eSMark Brown } 7215409fb4eSMark Brown 722ab38ff38SKuninori Morimoto static int wm8988_set_bias_level(struct snd_soc_component *component, 7235409fb4eSMark Brown enum snd_soc_bias_level level) 7245409fb4eSMark Brown { 725ab38ff38SKuninori Morimoto struct wm8988_priv *wm8988 = snd_soc_component_get_drvdata(component); 7266d75dfc3SKuninori Morimoto u16 pwr_reg = snd_soc_component_read(component, WM8988_PWR1) & ~0x1c1; 7275409fb4eSMark Brown 7285409fb4eSMark Brown switch (level) { 7295409fb4eSMark Brown case SND_SOC_BIAS_ON: 7305409fb4eSMark Brown break; 7315409fb4eSMark Brown 7325409fb4eSMark Brown case SND_SOC_BIAS_PREPARE: 7335409fb4eSMark Brown /* VREF, VMID=2x50k, digital enabled */ 734ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_PWR1, pwr_reg | 0x00c0); 7355409fb4eSMark Brown break; 7365409fb4eSMark Brown 7375409fb4eSMark Brown case SND_SOC_BIAS_STANDBY: 738ab38ff38SKuninori Morimoto if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 739d2dc0a77SMark Brown regcache_sync(wm8988->regmap); 740fa5fdb47SAxel Lin 7415409fb4eSMark Brown /* VREF, VMID=2x5k */ 742ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_PWR1, pwr_reg | 0x1c1); 7435409fb4eSMark Brown 7445409fb4eSMark Brown /* Charge caps */ 7455409fb4eSMark Brown msleep(100); 7465409fb4eSMark Brown } 7475409fb4eSMark Brown 7485409fb4eSMark Brown /* VREF, VMID=2*500k, digital stopped */ 749ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_PWR1, pwr_reg | 0x0141); 7505409fb4eSMark Brown break; 7515409fb4eSMark Brown 7525409fb4eSMark Brown case SND_SOC_BIAS_OFF: 753ab38ff38SKuninori Morimoto snd_soc_component_write(component, WM8988_PWR1, 0x0000); 7545409fb4eSMark Brown break; 7555409fb4eSMark Brown } 7565409fb4eSMark Brown return 0; 7575409fb4eSMark Brown } 7585409fb4eSMark Brown 7595409fb4eSMark Brown #define WM8988_RATES SNDRV_PCM_RATE_8000_96000 7605409fb4eSMark Brown 7615409fb4eSMark Brown #define WM8988_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 7625409fb4eSMark Brown SNDRV_PCM_FMTBIT_S24_LE) 7635409fb4eSMark Brown 76485e7652dSLars-Peter Clausen static const struct snd_soc_dai_ops wm8988_ops = { 7655409fb4eSMark Brown .startup = wm8988_pcm_startup, 7665409fb4eSMark Brown .hw_params = wm8988_pcm_hw_params, 7675409fb4eSMark Brown .set_fmt = wm8988_set_dai_fmt, 7685409fb4eSMark Brown .set_sysclk = wm8988_set_dai_sysclk, 76926d3c16eSKuninori Morimoto .mute_stream = wm8988_mute, 77026d3c16eSKuninori Morimoto .no_capture_mute = 1, 7715409fb4eSMark Brown }; 7725409fb4eSMark Brown 773f0fba2adSLiam Girdwood static struct snd_soc_dai_driver wm8988_dai = { 774f0fba2adSLiam Girdwood .name = "wm8988-hifi", 7755409fb4eSMark Brown .playback = { 7765409fb4eSMark Brown .stream_name = "Playback", 7775409fb4eSMark Brown .channels_min = 1, 7785409fb4eSMark Brown .channels_max = 2, 7795409fb4eSMark Brown .rates = WM8988_RATES, 7805409fb4eSMark Brown .formats = WM8988_FORMATS, 7815409fb4eSMark Brown }, 7825409fb4eSMark Brown .capture = { 7835409fb4eSMark Brown .stream_name = "Capture", 7845409fb4eSMark Brown .channels_min = 1, 7855409fb4eSMark Brown .channels_max = 2, 7865409fb4eSMark Brown .rates = WM8988_RATES, 7875409fb4eSMark Brown .formats = WM8988_FORMATS, 7885409fb4eSMark Brown }, 7895409fb4eSMark Brown .ops = &wm8988_ops, 79007695752SKuninori Morimoto .symmetric_rate = 1, 7915409fb4eSMark Brown }; 7925409fb4eSMark Brown 793ab38ff38SKuninori Morimoto static int wm8988_probe(struct snd_soc_component *component) 7945409fb4eSMark Brown { 7955409fb4eSMark Brown int ret = 0; 7965409fb4eSMark Brown 797ab38ff38SKuninori Morimoto ret = wm8988_reset(component); 7985409fb4eSMark Brown if (ret < 0) { 799ab38ff38SKuninori Morimoto dev_err(component->dev, "Failed to issue reset\n"); 800f0fba2adSLiam Girdwood return ret; 8015409fb4eSMark Brown } 8025409fb4eSMark Brown 8035409fb4eSMark Brown /* set the update bits (we always update left then right) */ 804ab38ff38SKuninori Morimoto snd_soc_component_update_bits(component, WM8988_RADC, 0x0100, 0x0100); 805ab38ff38SKuninori Morimoto snd_soc_component_update_bits(component, WM8988_RDAC, 0x0100, 0x0100); 806ab38ff38SKuninori Morimoto snd_soc_component_update_bits(component, WM8988_ROUT1V, 0x0100, 0x0100); 807ab38ff38SKuninori Morimoto snd_soc_component_update_bits(component, WM8988_ROUT2V, 0x0100, 0x0100); 808ab38ff38SKuninori Morimoto snd_soc_component_update_bits(component, WM8988_RINVOL, 0x0100, 0x0100); 8095409fb4eSMark Brown 810f0fba2adSLiam Girdwood return 0; 8115409fb4eSMark Brown } 8125409fb4eSMark Brown 813ab38ff38SKuninori Morimoto static const struct snd_soc_component_driver soc_component_dev_wm8988 = { 814f0fba2adSLiam Girdwood .probe = wm8988_probe, 815f0fba2adSLiam Girdwood .set_bias_level = wm8988_set_bias_level, 816dd21353fSMark Brown .controls = wm8988_snd_controls, 817dd21353fSMark Brown .num_controls = ARRAY_SIZE(wm8988_snd_controls), 818dd21353fSMark Brown .dapm_widgets = wm8988_dapm_widgets, 819dd21353fSMark Brown .num_dapm_widgets = ARRAY_SIZE(wm8988_dapm_widgets), 820dd21353fSMark Brown .dapm_routes = wm8988_dapm_routes, 821dd21353fSMark Brown .num_dapm_routes = ARRAY_SIZE(wm8988_dapm_routes), 822ab38ff38SKuninori Morimoto .suspend_bias_off = 1, 823ab38ff38SKuninori Morimoto .idle_bias_on = 1, 824ab38ff38SKuninori Morimoto .use_pmdown_time = 1, 825ab38ff38SKuninori Morimoto .endianness = 1, 826f0fba2adSLiam Girdwood }; 827f0fba2adSLiam Girdwood 828b682d7baSKrzysztof Kozlowski static const struct regmap_config wm8988_regmap = { 829d2dc0a77SMark Brown .reg_bits = 7, 830d2dc0a77SMark Brown .val_bits = 9, 831d2dc0a77SMark Brown 832d2dc0a77SMark Brown .max_register = WM8988_LPPB, 833d2dc0a77SMark Brown .writeable_reg = wm8988_writeable, 834d2dc0a77SMark Brown 835*fb60b65aSMark Brown .cache_type = REGCACHE_MAPLE, 836d2dc0a77SMark Brown .reg_defaults = wm8988_reg_defaults, 837d2dc0a77SMark Brown .num_reg_defaults = ARRAY_SIZE(wm8988_reg_defaults), 838d2dc0a77SMark Brown }; 839d2dc0a77SMark Brown 840f0fba2adSLiam Girdwood #if defined(CONFIG_SPI_MASTER) 8417a79e94eSBill Pemberton static int wm8988_spi_probe(struct spi_device *spi) 8425409fb4eSMark Brown { 8435409fb4eSMark Brown struct wm8988_priv *wm8988; 844f0fba2adSLiam Girdwood int ret; 8455409fb4eSMark Brown 84682fa3670SMark Brown wm8988 = devm_kzalloc(&spi->dev, sizeof(struct wm8988_priv), 84782fa3670SMark Brown GFP_KERNEL); 8485409fb4eSMark Brown if (wm8988 == NULL) 8495409fb4eSMark Brown return -ENOMEM; 8505409fb4eSMark Brown 85128517f5cSTushar Behera wm8988->regmap = devm_regmap_init_spi(spi, &wm8988_regmap); 852d2dc0a77SMark Brown if (IS_ERR(wm8988->regmap)) { 853d2dc0a77SMark Brown ret = PTR_ERR(wm8988->regmap); 854d2dc0a77SMark Brown dev_err(&spi->dev, "Failed to init regmap: %d\n", ret); 855d2dc0a77SMark Brown return ret; 856d2dc0a77SMark Brown } 857d2dc0a77SMark Brown 858f0fba2adSLiam Girdwood spi_set_drvdata(spi, wm8988); 8595409fb4eSMark Brown 860ab38ff38SKuninori Morimoto ret = devm_snd_soc_register_component(&spi->dev, 861ab38ff38SKuninori Morimoto &soc_component_dev_wm8988, &wm8988_dai, 1); 862f0fba2adSLiam Girdwood return ret; 8635409fb4eSMark Brown } 8645409fb4eSMark Brown 865f0fba2adSLiam Girdwood static struct spi_driver wm8988_spi_driver = { 866f0fba2adSLiam Girdwood .driver = { 867091edccfSMark Brown .name = "wm8988", 868f0fba2adSLiam Girdwood }, 869f0fba2adSLiam Girdwood .probe = wm8988_spi_probe, 870f0fba2adSLiam Girdwood }; 871f0fba2adSLiam Girdwood #endif /* CONFIG_SPI_MASTER */ 872f0fba2adSLiam Girdwood 87363587116SFabio Estevam #if IS_ENABLED(CONFIG_I2C) 87497b0b6e3SStephen Kitt static int wm8988_i2c_probe(struct i2c_client *i2c) 875f0fba2adSLiam Girdwood { 876f0fba2adSLiam Girdwood struct wm8988_priv *wm8988; 877f0fba2adSLiam Girdwood int ret; 878f0fba2adSLiam Girdwood 87982fa3670SMark Brown wm8988 = devm_kzalloc(&i2c->dev, sizeof(struct wm8988_priv), 88082fa3670SMark Brown GFP_KERNEL); 881f0fba2adSLiam Girdwood if (wm8988 == NULL) 882f0fba2adSLiam Girdwood return -ENOMEM; 883f0fba2adSLiam Girdwood 884f0fba2adSLiam Girdwood i2c_set_clientdata(i2c, wm8988); 885d2dc0a77SMark Brown 88628517f5cSTushar Behera wm8988->regmap = devm_regmap_init_i2c(i2c, &wm8988_regmap); 887d2dc0a77SMark Brown if (IS_ERR(wm8988->regmap)) { 888d2dc0a77SMark Brown ret = PTR_ERR(wm8988->regmap); 889d2dc0a77SMark Brown dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); 890d2dc0a77SMark Brown return ret; 891d2dc0a77SMark Brown } 892f0fba2adSLiam Girdwood 893ab38ff38SKuninori Morimoto ret = devm_snd_soc_register_component(&i2c->dev, 894ab38ff38SKuninori Morimoto &soc_component_dev_wm8988, &wm8988_dai, 1); 895f0fba2adSLiam Girdwood return ret; 896f0fba2adSLiam Girdwood } 897f0fba2adSLiam Girdwood 8985409fb4eSMark Brown static const struct i2c_device_id wm8988_i2c_id[] = { 8995409fb4eSMark Brown { "wm8988", 0 }, 9005409fb4eSMark Brown { } 9015409fb4eSMark Brown }; 9025409fb4eSMark Brown MODULE_DEVICE_TABLE(i2c, wm8988_i2c_id); 9035409fb4eSMark Brown 9045409fb4eSMark Brown static struct i2c_driver wm8988_i2c_driver = { 9055409fb4eSMark Brown .driver = { 9061f5cafb2SMark Brown .name = "wm8988", 9075409fb4eSMark Brown }, 9089abcd240SUwe Kleine-König .probe = wm8988_i2c_probe, 9095409fb4eSMark Brown .id_table = wm8988_i2c_id, 9105409fb4eSMark Brown }; 9115409fb4eSMark Brown #endif 9125409fb4eSMark Brown 9135409fb4eSMark Brown static int __init wm8988_modinit(void) 9145409fb4eSMark Brown { 915f0fba2adSLiam Girdwood int ret = 0; 91663587116SFabio Estevam #if IS_ENABLED(CONFIG_I2C) 9175409fb4eSMark Brown ret = i2c_add_driver(&wm8988_i2c_driver); 918f0fba2adSLiam Girdwood if (ret != 0) { 919f0fba2adSLiam Girdwood printk(KERN_ERR "Failed to register WM8988 I2C driver: %d\n", 920f0fba2adSLiam Girdwood ret); 921f0fba2adSLiam Girdwood } 9225409fb4eSMark Brown #endif 9235409fb4eSMark Brown #if defined(CONFIG_SPI_MASTER) 9245409fb4eSMark Brown ret = spi_register_driver(&wm8988_spi_driver); 925f0fba2adSLiam Girdwood if (ret != 0) { 926f0fba2adSLiam Girdwood printk(KERN_ERR "Failed to register WM8988 SPI driver: %d\n", 927f0fba2adSLiam Girdwood ret); 928f0fba2adSLiam Girdwood } 9295409fb4eSMark Brown #endif 9305409fb4eSMark Brown return ret; 9315409fb4eSMark Brown } 9325409fb4eSMark Brown module_init(wm8988_modinit); 9335409fb4eSMark Brown 9345409fb4eSMark Brown static void __exit wm8988_exit(void) 9355409fb4eSMark Brown { 93663587116SFabio Estevam #if IS_ENABLED(CONFIG_I2C) 9375409fb4eSMark Brown i2c_del_driver(&wm8988_i2c_driver); 9385409fb4eSMark Brown #endif 9395409fb4eSMark Brown #if defined(CONFIG_SPI_MASTER) 9405409fb4eSMark Brown spi_unregister_driver(&wm8988_spi_driver); 9415409fb4eSMark Brown #endif 9425409fb4eSMark Brown } 9435409fb4eSMark Brown module_exit(wm8988_exit); 9445409fb4eSMark Brown 9455409fb4eSMark Brown 9465409fb4eSMark Brown MODULE_DESCRIPTION("ASoC WM8988 driver"); 9475409fb4eSMark Brown MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 9485409fb4eSMark Brown MODULE_LICENSE("GPL"); 949