// SPDX-License-Identifier: GPL-2.0-only /* * TDA7419 audio processor driver * * Copyright 2018 Konsulko Group * * Author: Matt Porter */ #include #include #include #include #include #include #include #include #define TDA7419_MAIN_SRC_REG 0x00 #define TDA7419_LOUDNESS_REG 0x01 #define TDA7419_MUTE_CLK_REG 0x02 #define TDA7419_VOLUME_REG 0x03 #define TDA7419_TREBLE_REG 0x04 #define TDA7419_MIDDLE_REG 0x05 #define TDA7419_BASS_REG 0x06 #define TDA7419_SECOND_SRC_REG 0x07 #define TDA7419_SUB_MID_BASS_REG 0x08 #define TDA7419_MIXING_GAIN_REG 0x09 #define TDA7419_ATTENUATOR_LF_REG 0x0a #define TDA7419_ATTENUATOR_RF_REG 0x0b #define TDA7419_ATTENUATOR_LR_REG 0x0c #define TDA7419_ATTENUATOR_RR_REG 0x0d #define TDA7419_MIXING_LEVEL_REG 0x0e #define TDA7419_ATTENUATOR_SUB_REG 0x0f #define TDA7419_SA_CLK_AC_REG 0x10 #define TDA7419_TESTING_REG 0x11 #define TDA7419_MAIN_SRC_SEL 0 #define TDA7419_MAIN_SRC_GAIN 3 #define TDA7419_MAIN_SRC_AUTOZERO 7 #define TDA7419_LOUDNESS_ATTEN 0 #define TDA7419_LOUDNESS_CENTER_FREQ 4 #define TDA7419_LOUDNESS_BOOST 6 #define TDA7419_LOUDNESS_SOFT_STEP 7 #define TDA7419_VOLUME_SOFT_STEP 7 #define TDA7419_SOFT_MUTE 0 #define TDA7419_MUTE_INFLUENCE 1 #define TDA7419_SOFT_MUTE_TIME 2 #define TDA7419_SOFT_STEP_TIME 4 #define TDA7419_CLK_FAST_MODE 7 #define TDA7419_TREBLE_CENTER_FREQ 5 #define TDA7419_REF_OUT_SELECT 7 #define TDA7419_MIDDLE_Q_FACTOR 5 #define TDA7419_MIDDLE_SOFT_STEP 7 #define TDA7419_BASS_Q_FACTOR 5 #define TDA7419_BASS_SOFT_STEP 7 #define TDA7419_SECOND_SRC_SEL 0 #define TDA7419_SECOND_SRC_GAIN 3 #define TDA7419_REAR_SPKR_SRC 7 #define TDA7419_SUB_CUT_OFF_FREQ 0 #define TDA7419_MIDDLE_CENTER_FREQ 2 #define TDA7419_BASS_CENTER_FREQ 4 #define TDA7419_BASS_DC_MODE 6 #define TDA7419_SMOOTHING_FILTER 7 #define TDA7419_MIX_LF 0 #define TDA7419_MIX_RF 1 #define TDA7419_MIX_ENABLE 2 #define TDA7419_SUB_ENABLE 3 #define TDA7419_HPF_GAIN 4 #define TDA7419_SA_Q_FACTOR 0 #define TDA7419_RESET_MODE 1 #define TDA7419_SA_SOURCE 2 #define TDA7419_SA_RUN 3 #define TDA7419_RESET 4 #define TDA7419_CLK_SOURCE 5 #define TDA7419_COUPLING_MODE 6 struct tda7419_data { struct regmap *regmap; }; static bool tda7419_readable_reg(struct device *dev, unsigned int reg) { return false; } static const struct reg_default tda7419_regmap_defaults[] = { { TDA7419_MAIN_SRC_REG, 0xfe }, { TDA7419_LOUDNESS_REG, 0xfe }, { TDA7419_MUTE_CLK_REG, 0xfe }, { TDA7419_VOLUME_REG, 0xfe }, { TDA7419_TREBLE_REG, 0xfe }, { TDA7419_MIDDLE_REG, 0xfe }, { TDA7419_BASS_REG, 0xfe }, { TDA7419_SECOND_SRC_REG, 0xfe }, { TDA7419_SUB_MID_BASS_REG, 0xfe }, { TDA7419_MIXING_GAIN_REG, 0xfe }, { TDA7419_ATTENUATOR_LF_REG, 0xfe }, { TDA7419_ATTENUATOR_RF_REG, 0xfe }, { TDA7419_ATTENUATOR_LR_REG, 0xfe }, { TDA7419_ATTENUATOR_RR_REG, 0xfe }, { TDA7419_MIXING_LEVEL_REG, 0xfe }, { TDA7419_ATTENUATOR_SUB_REG, 0xfe }, { TDA7419_SA_CLK_AC_REG, 0xfe }, { TDA7419_TESTING_REG, 0xfe }, }; static const struct regmap_config tda7419_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = TDA7419_TESTING_REG, .cache_type = REGCACHE_RBTREE, .readable_reg = tda7419_readable_reg, .reg_defaults = tda7419_regmap_defaults, .num_reg_defaults = ARRAY_SIZE(tda7419_regmap_defaults), }; struct tda7419_vol_control { int min, max; unsigned int reg, rreg, mask, thresh; unsigned int invert:1; }; static inline bool tda7419_vol_is_stereo(struct tda7419_vol_control *tvc) { if (tvc->reg == tvc->rreg) return false; return true; } static int tda7419_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct tda7419_vol_control *tvc = (struct tda7419_vol_control *)kcontrol->private_value; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = tda7419_vol_is_stereo(tvc) ? 2 : 1; uinfo->value.integer.min = tvc->min; uinfo->value.integer.max = tvc->max; return 0; } static inline int tda7419_vol_get_value(int val, unsigned int mask, int min, int thresh, unsigned int invert) { val &= mask; if (val < thresh) { if (invert) val = 0 - val; } else if (val > thresh) { if (invert) val = val - thresh; else val = thresh - val; } if (val < min) val = min; return val; } static int tda7419_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct tda7419_vol_control *tvc = (struct tda7419_vol_control *)kcontrol->private_value; unsigned int reg = tvc->reg; unsigned int rreg = tvc->rreg; unsigned int mask = tvc->mask; int min = tvc->min; int thresh = tvc->thresh; unsigned int invert = tvc->invert; int val; val = snd_soc_component_read(component, reg); ucontrol->value.integer.value[0] = tda7419_vol_get_value(val, mask, min, thresh, invert); if (tda7419_vol_is_stereo(tvc)) { val = snd_soc_component_read(component, rreg); ucontrol->value.integer.value[1] = tda7419_vol_get_value(val, mask, min, thresh, invert); } return 0; } static inline int tda7419_vol_put_value(int val, int thresh, unsigned int invert) { if (val < 0) { if (invert) val = abs(val); else val = thresh - val; } else if ((val > 0) && invert) { val += thresh; } return val; } static int tda7419_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct tda7419_vol_control *tvc = (struct tda7419_vol_control *)kcontrol->private_value; unsigned int reg = tvc->reg; unsigned int rreg = tvc->rreg; unsigned int mask = tvc->mask; int thresh = tvc->thresh; unsigned int invert = tvc->invert; int val; int ret; val = tda7419_vol_put_value(ucontrol->value.integer.value[0], thresh, invert); ret = snd_soc_component_update_bits(component, reg, mask, val); if (ret < 0) return ret; if (tda7419_vol_is_stereo(tvc)) { val = tda7419_vol_put_value(ucontrol->value.integer.value[1], thresh, invert); ret = snd_soc_component_update_bits(component, rreg, mask, val); } return ret; } #define TDA7419_SINGLE_VALUE(xreg, xmask, xmin, xmax, xthresh, xinvert) \ ((unsigned long)&(struct tda7419_vol_control) \ {.reg = xreg, .rreg = xreg, .mask = xmask, .min = xmin, \ .max = xmax, .thresh = xthresh, .invert = xinvert}) #define TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, xmin, xmax, xthresh, \ xinvert) \ ((unsigned long)&(struct tda7419_vol_control) \ {.reg = xregl, .rreg = xregr, .mask = xmask, .min = xmin, \ .max = xmax, .thresh = xthresh, .invert = xinvert}) #define TDA7419_SINGLE_TLV(xname, xreg, xmask, xmin, xmax, xthresh, \ xinvert, xtlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ .name = xname, \ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ SNDRV_CTL_ELEM_ACCESS_READWRITE, \ .tlv.p = (xtlv_array), \ .info = tda7419_vol_info, \ .get = tda7419_vol_get, \ .put = tda7419_vol_put, \ .private_value = TDA7419_SINGLE_VALUE(xreg, xmask, xmin, \ xmax, xthresh, xinvert), \ } #define TDA7419_DOUBLE_R_TLV(xname, xregl, xregr, xmask, xmin, xmax, \ xthresh, xinvert, xtlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ .name = xname, \ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ SNDRV_CTL_ELEM_ACCESS_READWRITE, \ .tlv.p = (xtlv_array), \ .info = tda7419_vol_info, \ .get = tda7419_vol_get, \ .put = tda7419_vol_put, \ .private_value = TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, \ xmin, xmax, xthresh, \ xinvert), \ } static const char * const enum_src_sel[] = { "QD", "SE1", "SE2", "SE3", "SE", "Mute", "Mute", "Mute"}; static SOC_ENUM_SINGLE_DECL(soc_enum_main_src_sel, TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_SEL, enum_src_sel); static const struct snd_kcontrol_new soc_mux_main_src_sel = SOC_DAPM_ENUM("Main Source Select", soc_enum_main_src_sel); static DECLARE_TLV_DB_SCALE(tlv_src_gain, 0, 100, 0); static DECLARE_TLV_DB_SCALE(tlv_loudness_atten, -1500, 100, 0); static const char * const enum_loudness_center_freq[] = { "Flat", "400 Hz", "800 Hz", "2400 Hz"}; static SOC_ENUM_SINGLE_DECL(soc_enum_loudness_center_freq, TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_CENTER_FREQ, enum_loudness_center_freq); static const char * const enum_mute_influence[] = { "Pin and IIC", "IIC"}; static SOC_ENUM_SINGLE_DECL(soc_enum_mute_influence, TDA7419_MUTE_CLK_REG, TDA7419_MUTE_INFLUENCE, enum_mute_influence); static const char * const enum_soft_mute_time[] = { "0.48 ms", "0.96 ms", "123 ms", "123 ms"}; static SOC_ENUM_SINGLE_DECL(soc_enum_soft_mute_time, TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE_TIME, enum_soft_mute_time); static const char * const enum_soft_step_time[] = { "0.160 ms", "0.321 ms", "0.642 ms", "1.28 ms", "2.56 ms", "5.12 ms", "10.24 ms", "20.48 ms"}; static SOC_ENUM_SINGLE_DECL(soc_enum_soft_step_time, TDA7419_MUTE_CLK_REG, TDA7419_SOFT_STEP_TIME, enum_soft_step_time); static DECLARE_TLV_DB_SCALE(tlv_volume, -8000, 100, 1); static const char * const enum_treble_center_freq[] = { "10.0 kHz", "12.5 kHz", "15.0 kHz", "17.5 kHz"}; static DECLARE_TLV_DB_SCALE(tlv_filter, -1500, 100, 0); static SOC_ENUM_SINGLE_DECL(soc_enum_treble_center_freq, TDA7419_TREBLE_REG, TDA7419_TREBLE_CENTER_FREQ, enum_treble_center_freq); static const char * const enum_ref_out_select[] = { "External Vref (4 V)", "Internal Vref (3.3 V)"}; static SOC_ENUM_SINGLE_DECL(soc_enum_ref_out_select, TDA7419_TREBLE_REG, TDA7419_REF_OUT_SELECT, enum_ref_out_select); static const char * const enum_middle_q_factor[] = { "0.5", "0.75", "1.0", "1.25"}; static SOC_ENUM_SINGLE_DECL(soc_enum_middle_q_factor, TDA7419_MIDDLE_REG, TDA7419_MIDDLE_Q_FACTOR, enum_middle_q_factor); static const char * const enum_bass_q_factor[] = { "1.0", "1.25", "1.5", "2.0"}; static SOC_ENUM_SINGLE_DECL(soc_enum_bass_q_factor, TDA7419_BASS_REG, TDA7419_BASS_Q_FACTOR, enum_bass_q_factor); static SOC_ENUM_SINGLE_DECL(soc_enum_second_src_sel, TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_SEL, enum_src_sel); static const struct snd_kcontrol_new soc_mux_second_src_sel = SOC_DAPM_ENUM("Second Source Select", soc_enum_second_src_sel); static const char * const enum_rear_spkr_src[] = { "Main", "Second"}; static SOC_ENUM_SINGLE_DECL(soc_enum_rear_spkr_src, TDA7419_SECOND_SRC_REG, TDA7419_REAR_SPKR_SRC, enum_rear_spkr_src); static const struct snd_kcontrol_new soc_mux_rear_spkr_src = SOC_DAPM_ENUM("Rear Speaker Source", soc_enum_rear_spkr_src); static const char * const enum_sub_cut_off_freq[] = { "Flat", "80 Hz", "120 Hz", "160 Hz"}; static SOC_ENUM_SINGLE_DECL(soc_enum_sub_cut_off_freq, TDA7419_SUB_MID_BASS_REG, TDA7419_SUB_CUT_OFF_FREQ, enum_sub_cut_off_freq); static const char * const enum_middle_center_freq[] = { "500 Hz", "1000 Hz", "1500 Hz", "2500 Hz"}; static SOC_ENUM_SINGLE_DECL(soc_enum_middle_center_freq, TDA7419_SUB_MID_BASS_REG, TDA7419_MIDDLE_CENTER_FREQ, enum_middle_center_freq); static const char * const enum_bass_center_freq[] = { "60 Hz", "80 Hz", "100 Hz", "200 Hz"}; static SOC_ENUM_SINGLE_DECL(soc_enum_bass_center_freq, TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_CENTER_FREQ, enum_bass_center_freq); static const char * const enum_sa_q_factor[] = { "3.5", "1.75" }; static SOC_ENUM_SINGLE_DECL(soc_enum_sa_q_factor, TDA7419_SA_CLK_AC_REG, TDA7419_SA_Q_FACTOR, enum_sa_q_factor); static const char * const enum_reset_mode[] = { "IIC", "Auto" }; static SOC_ENUM_SINGLE_DECL(soc_enum_reset_mode, TDA7419_SA_CLK_AC_REG, TDA7419_RESET_MODE, enum_reset_mode); static const char * const enum_sa_src[] = { "Bass", "In Gain" }; static SOC_ENUM_SINGLE_DECL(soc_enum_sa_src, TDA7419_SA_CLK_AC_REG, TDA7419_SA_SOURCE, enum_sa_src); static const char * const enum_clk_src[] = { "Internal", "External" }; static SOC_ENUM_SINGLE_DECL(soc_enum_clk_src, TDA7419_SA_CLK_AC_REG, TDA7419_CLK_SOURCE, enum_clk_src); static const char * const enum_coupling_mode[] = { "DC Coupling (without HPF)", "AC Coupling after In Gain", "DC Coupling (with HPF)", "AC Coupling after Bass" }; static SOC_ENUM_SINGLE_DECL(soc_enum_coupling_mode, TDA7419_SA_CLK_AC_REG, TDA7419_COUPLING_MODE, enum_coupling_mode); /* ASoC Controls */ static struct snd_kcontrol_new tda7419_controls[] = { SOC_SINGLE_TLV("Main Source Capture Volume", TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_GAIN, 15, 0, tlv_src_gain), SOC_SINGLE("Main Source AutoZero Switch", TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_AUTOZERO, 1, 1), SOC_SINGLE_TLV("Loudness Playback Volume", TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_ATTEN, 15, 1, tlv_loudness_atten), SOC_ENUM("Loudness Center Frequency", soc_enum_loudness_center_freq), SOC_SINGLE("Loudness High Boost Switch", TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_BOOST, 1, 1), SOC_SINGLE("Loudness Soft Step Switch", TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_SOFT_STEP, 1, 1), SOC_SINGLE("Soft Mute Switch", TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE, 1, 1), SOC_ENUM("Mute Influence", soc_enum_mute_influence), SOC_ENUM("Soft Mute Time", soc_enum_soft_mute_time), SOC_ENUM("Soft Step Time", soc_enum_soft_step_time), SOC_SINGLE("Clock Fast Mode Switch", TDA7419_MUTE_CLK_REG, TDA7419_CLK_FAST_MODE, 1, 1), TDA7419_SINGLE_TLV("Master Playback Volume", TDA7419_VOLUME_REG, 0x7f, -80, 15, 0x10, 0, tlv_volume), SOC_SINGLE("Volume Soft Step Switch", TDA7419_VOLUME_REG, TDA7419_VOLUME_SOFT_STEP, 1, 1), TDA7419_SINGLE_TLV("Treble Playback Volume", TDA7419_TREBLE_REG, 0x1f, -15, 15, 0x10, 1, tlv_filter), SOC_ENUM("Treble Center Frequency", soc_enum_treble_center_freq), SOC_ENUM("Reference Output Select", soc_enum_ref_out_select), TDA7419_SINGLE_TLV("Middle Playback Volume", TDA7419_MIDDLE_REG, 0x1f, -15, 15, 0x10, 1, tlv_filter), SOC_ENUM("Middle Q Factor", soc_enum_middle_q_factor), SOC_SINGLE("Middle Soft Step Switch", TDA7419_MIDDLE_REG, TDA7419_MIDDLE_SOFT_STEP, 1, 1), TDA7419_SINGLE_TLV("Bass Playback Volume", TDA7419_BASS_REG, 0x1f, -15, 15, 0x10, 1, tlv_filter), SOC_ENUM("Bass Q Factor", soc_enum_bass_q_factor), SOC_SINGLE("Bass Soft Step Switch", TDA7419_BASS_REG, TDA7419_BASS_SOFT_STEP, 1, 1), SOC_SINGLE_TLV("Second Source Capture Volume", TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_GAIN, 15, 0, tlv_src_gain), SOC_ENUM("Subwoofer Cut-off Frequency", soc_enum_sub_cut_off_freq), SOC_ENUM("Middle Center Frequency", soc_enum_middle_center_freq), SOC_ENUM("Bass Center Frequency", soc_enum_bass_center_freq), SOC_SINGLE("Bass DC Mode Switch", TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_DC_MODE, 1, 1), SOC_SINGLE("Smoothing Filter Switch", TDA7419_SUB_MID_BASS_REG, TDA7419_SMOOTHING_FILTER, 1, 1), TDA7419_DOUBLE_R_TLV("Front Speaker Playback Volume", TDA7419_ATTENUATOR_LF_REG, TDA7419_ATTENUATOR_RF_REG, 0x7f, -80, 15, 0x10, 0, tlv_volume), SOC_SINGLE("Left Front Soft Step Switch", TDA7419_ATTENUATOR_LF_REG, TDA7419_VOLUME_SOFT_STEP, 1, 1), SOC_SINGLE("Right Front Soft Step Switch", TDA7419_ATTENUATOR_RF_REG, TDA7419_VOLUME_SOFT_STEP, 1, 1), TDA7419_DOUBLE_R_TLV("Rear Speaker Playback Volume", TDA7419_ATTENUATOR_LR_REG, TDA7419_ATTENUATOR_RR_REG, 0x7f, -80, 15, 0x10, 0, tlv_volume), SOC_SINGLE("Left Rear Soft Step Switch", TDA7419_ATTENUATOR_LR_REG, TDA7419_VOLUME_SOFT_STEP, 1, 1), SOC_SINGLE("Right Rear Soft Step Switch", TDA7419_ATTENUATOR_RR_REG, TDA7419_VOLUME_SOFT_STEP, 1, 1), TDA7419_SINGLE_TLV("Mixing Capture Volume", TDA7419_MIXING_LEVEL_REG, 0x7f, -80, 15, 0x10, 0, tlv_volume), SOC_SINGLE("Mixing Level Soft Step Switch", TDA7419_MIXING_LEVEL_REG, TDA7419_VOLUME_SOFT_STEP, 1, 1), TDA7419_SINGLE_TLV("Subwoofer Playback Volume", TDA7419_ATTENUATOR_SUB_REG, 0x7f, -80, 15, 0x10, 0, tlv_volume), SOC_SINGLE("Subwoofer Soft Step Switch", TDA7419_ATTENUATOR_SUB_REG, TDA7419_VOLUME_SOFT_STEP, 1, 1), SOC_ENUM("Spectrum Analyzer Q Factor", soc_enum_sa_q_factor), SOC_ENUM("Spectrum Analyzer Reset Mode", soc_enum_reset_mode), SOC_ENUM("Spectrum Analyzer Source", soc_enum_sa_src), SOC_SINGLE("Spectrum Analyzer Run Switch", TDA7419_SA_CLK_AC_REG, TDA7419_SA_RUN, 1, 1), SOC_SINGLE("Spectrum Analyzer Reset Switch", TDA7419_SA_CLK_AC_REG, TDA7419_RESET, 1, 1), SOC_ENUM("Clock Source", soc_enum_clk_src), SOC_ENUM("Coupling Mode", soc_enum_coupling_mode), }; static const struct snd_kcontrol_new soc_mixer_lf_output_controls[] = { SOC_DAPM_SINGLE("Mix to LF Speaker Switch", TDA7419_MIXING_GAIN_REG, TDA7419_MIX_LF, 1, 1), }; static const struct snd_kcontrol_new soc_mixer_rf_output_controls[] = { SOC_DAPM_SINGLE("Mix to RF Speaker Switch", TDA7419_MIXING_GAIN_REG, TDA7419_MIX_RF, 1, 1), }; static const struct snd_kcontrol_new soc_mix_enable_switch_controls[] = { SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG, TDA7419_MIX_ENABLE, 1, 1), }; static const struct snd_kcontrol_new soc_sub_enable_switch_controls[] = { SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG, TDA7419_MIX_ENABLE, 1, 1), }; static const struct snd_soc_dapm_widget tda7419_dapm_widgets[] = { SND_SOC_DAPM_INPUT("SE3L"), SND_SOC_DAPM_INPUT("SE3R"), SND_SOC_DAPM_INPUT("SE2L"), SND_SOC_DAPM_INPUT("SE2R"), SND_SOC_DAPM_INPUT("SE1L"), SND_SOC_DAPM_INPUT("SE1R"), SND_SOC_DAPM_INPUT("DIFFL"), SND_SOC_DAPM_INPUT("DIFFR"), SND_SOC_DAPM_INPUT("MIX"), SND_SOC_DAPM_MUX("Main Source Select", SND_SOC_NOPM, 0, 0, &soc_mux_main_src_sel), SND_SOC_DAPM_MUX("Second Source Select", SND_SOC_NOPM, 0, 0, &soc_mux_second_src_sel), SND_SOC_DAPM_MUX("Rear Speaker Source", SND_SOC_NOPM, 0, 0, &soc_mux_rear_spkr_src), SND_SOC_DAPM_SWITCH("Mix Enable", SND_SOC_NOPM, 0, 0, &soc_mix_enable_switch_controls[0]), SND_SOC_DAPM_MIXER_NAMED_CTL("LF Output Mixer", SND_SOC_NOPM, 0, 0, &soc_mixer_lf_output_controls[0], ARRAY_SIZE(soc_mixer_lf_output_controls)), SND_SOC_DAPM_MIXER_NAMED_CTL("RF Output Mixer", SND_SOC_NOPM, 0, 0, &soc_mixer_rf_output_controls[0], ARRAY_SIZE(soc_mixer_rf_output_controls)), SND_SOC_DAPM_SWITCH("Subwoofer Enable", SND_SOC_NOPM, 0, 0, &soc_sub_enable_switch_controls[0]), SND_SOC_DAPM_OUTPUT("OUTLF"), SND_SOC_DAPM_OUTPUT("OUTRF"), SND_SOC_DAPM_OUTPUT("OUTLR"), SND_SOC_DAPM_OUTPUT("OUTRR"), SND_SOC_DAPM_OUTPUT("OUTSW"), }; static const struct snd_soc_dapm_route tda7419_dapm_routes[] = { {"Main Source Select", "SE3", "SE3L"}, {"Main Source Select", "SE3", "SE3R"}, {"Main Source Select", "SE2", "SE2L"}, {"Main Source Select", "SE2", "SE2R"}, {"Main Source Select", "SE1", "SE1L"}, {"Main Source Select", "SE1", "SE1R"}, {"Main Source Select", "SE", "DIFFL"}, {"Main Source Select", "SE", "DIFFR"}, {"Main Source Select", "QD", "DIFFL"}, {"Main Source Select", "QD", "DIFFR"}, {"Second Source Select", "SE3", "SE3L"}, {"Second Source Select", "SE3", "SE3R"}, {"Second Source Select", "SE2", "SE2L"}, {"Second Source Select", "SE2", "SE2R"}, {"Second Source Select", "SE1", "SE1L"}, {"Second Source Select", "SE1", "SE1R"}, {"Second Source Select", "SE", "DIFFL"}, {"Second Source Select", "SE", "DIFFR"}, {"Second Source Select", "QD", "DIFFL"}, {"Second Source Select", "QD", "DIFFR"}, {"Rear Speaker Source", "Main", "Main Source Select"}, {"Rear Speaker Source", "Second", "Second Source Select"}, {"Subwoofer Enable", "Switch", "Main Source Select"}, {"Mix Enable", "Switch", "MIX"}, {"LF Output Mixer", NULL, "Main Source Select"}, {"LF Output Mixer", "Mix to LF Speaker Switch", "Mix Enable"}, {"RF Output Mixer", NULL, "Main Source Select"}, {"RF Output Mixer", "Mix to RF Speaker Switch", "Mix Enable"}, {"OUTLF", NULL, "LF Output Mixer"}, {"OUTRF", NULL, "RF Output Mixer"}, {"OUTLR", NULL, "Rear Speaker Source"}, {"OUTRR", NULL, "Rear Speaker Source"}, {"OUTSW", NULL, "Subwoofer Enable"}, }; static const struct snd_soc_component_driver tda7419_component_driver = { .name = "tda7419", .controls = tda7419_controls, .num_controls = ARRAY_SIZE(tda7419_controls), .dapm_widgets = tda7419_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(tda7419_dapm_widgets), .dapm_routes = tda7419_dapm_routes, .num_dapm_routes = ARRAY_SIZE(tda7419_dapm_routes), }; static int tda7419_probe(struct i2c_client *i2c) { struct tda7419_data *tda7419; int i, ret; tda7419 = devm_kzalloc(&i2c->dev, sizeof(struct tda7419_data), GFP_KERNEL); if (tda7419 == NULL) return -ENOMEM; i2c_set_clientdata(i2c, tda7419); tda7419->regmap = devm_regmap_init_i2c(i2c, &tda7419_regmap_config); if (IS_ERR(tda7419->regmap)) { ret = PTR_ERR(tda7419->regmap); dev_err(&i2c->dev, "error initializing regmap: %d\n", ret); return ret; } /* * Reset registers to power-on defaults. The part does not provide a * soft-reset function and the registers are not readable. This ensures * that the cache matches register contents even if the registers have * been previously initialized and not power cycled before probe. */ for (i = 0; i < ARRAY_SIZE(tda7419_regmap_defaults); i++) regmap_write(tda7419->regmap, tda7419_regmap_defaults[i].reg, tda7419_regmap_defaults[i].def); ret = devm_snd_soc_register_component(&i2c->dev, &tda7419_component_driver, NULL, 0); if (ret < 0) { dev_err(&i2c->dev, "error registering component: %d\n", ret); } return ret; } static const struct i2c_device_id tda7419_i2c_id[] = { { "tda7419", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, tda7419_i2c_id); static const struct of_device_id tda7419_of_match[] = { { .compatible = "st,tda7419" }, { }, }; MODULE_DEVICE_TABLE(of, tda7419_of_match); static struct i2c_driver tda7419_driver = { .driver = { .name = "tda7419", .of_match_table = tda7419_of_match, }, .probe = tda7419_probe, .id_table = tda7419_i2c_id, }; module_i2c_driver(tda7419_driver); MODULE_AUTHOR("Matt Porter "); MODULE_DESCRIPTION("TDA7419 audio processor driver"); MODULE_LICENSE("GPL");