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Diffstat (limited to 'sound/soc/codecs/tda7419.c')
| -rw-r--r-- | sound/soc/codecs/tda7419.c | 640 |
1 files changed, 640 insertions, 0 deletions
diff --git a/sound/soc/codecs/tda7419.c b/sound/soc/codecs/tda7419.c new file mode 100644 index 000000000..d964e5207 --- /dev/null +++ b/sound/soc/codecs/tda7419.c @@ -0,0 +1,640 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * TDA7419 audio processor driver + * + * Copyright 2018 Konsulko Group + * + * Author: Matt Porter <mporter@konsulko.com> + */ + +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +#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" }, + { }, +}; + +static struct i2c_driver tda7419_driver = { + .driver = { + .name = "tda7419", + .of_match_table = tda7419_of_match, + }, + .probe_new = tda7419_probe, + .id_table = tda7419_i2c_id, +}; + +module_i2c_driver(tda7419_driver); + +MODULE_AUTHOR("Matt Porter <mporter@konsulko.com>"); +MODULE_DESCRIPTION("TDA7419 audio processor driver"); +MODULE_LICENSE("GPL"); |