1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * TDA7419 audio processor driver 4 * 5 * Copyright 2018 Konsulko Group 6 * 7 * Author: Matt Porter <mporter@konsulko.com> 8 */ 9 10 #include <linux/i2c.h> 11 #include <linux/init.h> 12 #include <linux/module.h> 13 #include <linux/regmap.h> 14 #include <sound/core.h> 15 #include <sound/control.h> 16 #include <sound/soc.h> 17 #include <sound/tlv.h> 18 19 #define TDA7419_MAIN_SRC_REG 0x00 20 #define TDA7419_LOUDNESS_REG 0x01 21 #define TDA7419_MUTE_CLK_REG 0x02 22 #define TDA7419_VOLUME_REG 0x03 23 #define TDA7419_TREBLE_REG 0x04 24 #define TDA7419_MIDDLE_REG 0x05 25 #define TDA7419_BASS_REG 0x06 26 #define TDA7419_SECOND_SRC_REG 0x07 27 #define TDA7419_SUB_MID_BASS_REG 0x08 28 #define TDA7419_MIXING_GAIN_REG 0x09 29 #define TDA7419_ATTENUATOR_LF_REG 0x0a 30 #define TDA7419_ATTENUATOR_RF_REG 0x0b 31 #define TDA7419_ATTENUATOR_LR_REG 0x0c 32 #define TDA7419_ATTENUATOR_RR_REG 0x0d 33 #define TDA7419_MIXING_LEVEL_REG 0x0e 34 #define TDA7419_ATTENUATOR_SUB_REG 0x0f 35 #define TDA7419_SA_CLK_AC_REG 0x10 36 #define TDA7419_TESTING_REG 0x11 37 38 #define TDA7419_MAIN_SRC_SEL 0 39 #define TDA7419_MAIN_SRC_GAIN 3 40 #define TDA7419_MAIN_SRC_AUTOZERO 7 41 42 #define TDA7419_LOUDNESS_ATTEN 0 43 #define TDA7419_LOUDNESS_CENTER_FREQ 4 44 #define TDA7419_LOUDNESS_BOOST 6 45 #define TDA7419_LOUDNESS_SOFT_STEP 7 46 47 #define TDA7419_VOLUME_SOFT_STEP 7 48 49 #define TDA7419_SOFT_MUTE 0 50 #define TDA7419_MUTE_INFLUENCE 1 51 #define TDA7419_SOFT_MUTE_TIME 2 52 #define TDA7419_SOFT_STEP_TIME 4 53 #define TDA7419_CLK_FAST_MODE 7 54 55 #define TDA7419_TREBLE_CENTER_FREQ 5 56 #define TDA7419_REF_OUT_SELECT 7 57 58 #define TDA7419_MIDDLE_Q_FACTOR 5 59 #define TDA7419_MIDDLE_SOFT_STEP 7 60 61 #define TDA7419_BASS_Q_FACTOR 5 62 #define TDA7419_BASS_SOFT_STEP 7 63 64 #define TDA7419_SECOND_SRC_SEL 0 65 #define TDA7419_SECOND_SRC_GAIN 3 66 #define TDA7419_REAR_SPKR_SRC 7 67 68 #define TDA7419_SUB_CUT_OFF_FREQ 0 69 #define TDA7419_MIDDLE_CENTER_FREQ 2 70 #define TDA7419_BASS_CENTER_FREQ 4 71 #define TDA7419_BASS_DC_MODE 6 72 #define TDA7419_SMOOTHING_FILTER 7 73 74 #define TDA7419_MIX_LF 0 75 #define TDA7419_MIX_RF 1 76 #define TDA7419_MIX_ENABLE 2 77 #define TDA7419_SUB_ENABLE 3 78 #define TDA7419_HPF_GAIN 4 79 80 #define TDA7419_SA_Q_FACTOR 0 81 #define TDA7419_RESET_MODE 1 82 #define TDA7419_SA_SOURCE 2 83 #define TDA7419_SA_RUN 3 84 #define TDA7419_RESET 4 85 #define TDA7419_CLK_SOURCE 5 86 #define TDA7419_COUPLING_MODE 6 87 88 struct tda7419_data { 89 struct regmap *regmap; 90 }; 91 92 static bool tda7419_readable_reg(struct device *dev, unsigned int reg) 93 { 94 return false; 95 } 96 97 static const struct reg_default tda7419_regmap_defaults[] = { 98 { TDA7419_MAIN_SRC_REG, 0xfe }, 99 { TDA7419_LOUDNESS_REG, 0xfe }, 100 { TDA7419_MUTE_CLK_REG, 0xfe }, 101 { TDA7419_VOLUME_REG, 0xfe }, 102 { TDA7419_TREBLE_REG, 0xfe }, 103 { TDA7419_MIDDLE_REG, 0xfe }, 104 { TDA7419_BASS_REG, 0xfe }, 105 { TDA7419_SECOND_SRC_REG, 0xfe }, 106 { TDA7419_SUB_MID_BASS_REG, 0xfe }, 107 { TDA7419_MIXING_GAIN_REG, 0xfe }, 108 { TDA7419_ATTENUATOR_LF_REG, 0xfe }, 109 { TDA7419_ATTENUATOR_RF_REG, 0xfe }, 110 { TDA7419_ATTENUATOR_LR_REG, 0xfe }, 111 { TDA7419_ATTENUATOR_RR_REG, 0xfe }, 112 { TDA7419_MIXING_LEVEL_REG, 0xfe }, 113 { TDA7419_ATTENUATOR_SUB_REG, 0xfe }, 114 { TDA7419_SA_CLK_AC_REG, 0xfe }, 115 { TDA7419_TESTING_REG, 0xfe }, 116 }; 117 118 static const struct regmap_config tda7419_regmap_config = { 119 .reg_bits = 8, 120 .val_bits = 8, 121 .max_register = TDA7419_TESTING_REG, 122 .cache_type = REGCACHE_RBTREE, 123 .readable_reg = tda7419_readable_reg, 124 .reg_defaults = tda7419_regmap_defaults, 125 .num_reg_defaults = ARRAY_SIZE(tda7419_regmap_defaults), 126 }; 127 128 struct tda7419_vol_control { 129 int min, max; 130 unsigned int reg, rreg, mask, thresh; 131 unsigned int invert:1; 132 }; 133 134 static inline bool tda7419_vol_is_stereo(struct tda7419_vol_control *tvc) 135 { 136 if (tvc->reg == tvc->rreg) 137 return false; 138 139 return true; 140 } 141 142 static int tda7419_vol_info(struct snd_kcontrol *kcontrol, 143 struct snd_ctl_elem_info *uinfo) 144 { 145 struct tda7419_vol_control *tvc = 146 (struct tda7419_vol_control *)kcontrol->private_value; 147 148 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 149 uinfo->count = tda7419_vol_is_stereo(tvc) ? 2 : 1; 150 uinfo->value.integer.min = tvc->min; 151 uinfo->value.integer.max = tvc->max; 152 153 return 0; 154 } 155 156 static inline int tda7419_vol_get_value(int val, unsigned int mask, 157 int min, int thresh, 158 unsigned int invert) 159 { 160 val &= mask; 161 if (val < thresh) { 162 if (invert) 163 val = 0 - val; 164 } else if (val > thresh) { 165 if (invert) 166 val = val - thresh; 167 else 168 val = thresh - val; 169 } 170 171 if (val < min) 172 val = min; 173 174 return val; 175 } 176 177 static int tda7419_vol_get(struct snd_kcontrol *kcontrol, 178 struct snd_ctl_elem_value *ucontrol) 179 { 180 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 181 struct tda7419_vol_control *tvc = 182 (struct tda7419_vol_control *)kcontrol->private_value; 183 unsigned int reg = tvc->reg; 184 unsigned int rreg = tvc->rreg; 185 unsigned int mask = tvc->mask; 186 int min = tvc->min; 187 int thresh = tvc->thresh; 188 unsigned int invert = tvc->invert; 189 int val; 190 191 val = snd_soc_component_read(component, reg); 192 ucontrol->value.integer.value[0] = 193 tda7419_vol_get_value(val, mask, min, thresh, invert); 194 195 if (tda7419_vol_is_stereo(tvc)) { 196 val = snd_soc_component_read(component, rreg); 197 ucontrol->value.integer.value[1] = 198 tda7419_vol_get_value(val, mask, min, thresh, invert); 199 } 200 201 return 0; 202 } 203 204 static inline int tda7419_vol_put_value(int val, int thresh, 205 unsigned int invert) 206 { 207 if (val < 0) { 208 if (invert) 209 val = abs(val); 210 else 211 val = thresh - val; 212 } else if ((val > 0) && invert) { 213 val += thresh; 214 } 215 216 return val; 217 } 218 219 static int tda7419_vol_put(struct snd_kcontrol *kcontrol, 220 struct snd_ctl_elem_value *ucontrol) 221 { 222 struct snd_soc_component *component = 223 snd_kcontrol_chip(kcontrol); 224 struct tda7419_vol_control *tvc = 225 (struct tda7419_vol_control *)kcontrol->private_value; 226 unsigned int reg = tvc->reg; 227 unsigned int rreg = tvc->rreg; 228 unsigned int mask = tvc->mask; 229 int thresh = tvc->thresh; 230 unsigned int invert = tvc->invert; 231 int val; 232 int ret; 233 234 val = tda7419_vol_put_value(ucontrol->value.integer.value[0], 235 thresh, invert); 236 ret = snd_soc_component_update_bits(component, reg, 237 mask, val); 238 if (ret < 0) 239 return ret; 240 241 if (tda7419_vol_is_stereo(tvc)) { 242 val = tda7419_vol_put_value(ucontrol->value.integer.value[1], 243 thresh, invert); 244 ret = snd_soc_component_update_bits(component, rreg, 245 mask, val); 246 } 247 248 return ret; 249 } 250 251 #define TDA7419_SINGLE_VALUE(xreg, xmask, xmin, xmax, xthresh, xinvert) \ 252 ((unsigned long)&(struct tda7419_vol_control) \ 253 {.reg = xreg, .rreg = xreg, .mask = xmask, .min = xmin, \ 254 .max = xmax, .thresh = xthresh, .invert = xinvert}) 255 256 #define TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, xmin, xmax, xthresh, \ 257 xinvert) \ 258 ((unsigned long)&(struct tda7419_vol_control) \ 259 {.reg = xregl, .rreg = xregr, .mask = xmask, .min = xmin, \ 260 .max = xmax, .thresh = xthresh, .invert = xinvert}) 261 262 #define TDA7419_SINGLE_TLV(xname, xreg, xmask, xmin, xmax, xthresh, \ 263 xinvert, xtlv_array) \ 264 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 265 .name = xname, \ 266 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 267 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 268 .tlv.p = (xtlv_array), \ 269 .info = tda7419_vol_info, \ 270 .get = tda7419_vol_get, \ 271 .put = tda7419_vol_put, \ 272 .private_value = TDA7419_SINGLE_VALUE(xreg, xmask, xmin, \ 273 xmax, xthresh, xinvert), \ 274 } 275 276 #define TDA7419_DOUBLE_R_TLV(xname, xregl, xregr, xmask, xmin, xmax, \ 277 xthresh, xinvert, xtlv_array) \ 278 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 279 .name = xname, \ 280 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 281 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 282 .tlv.p = (xtlv_array), \ 283 .info = tda7419_vol_info, \ 284 .get = tda7419_vol_get, \ 285 .put = tda7419_vol_put, \ 286 .private_value = TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, \ 287 xmin, xmax, xthresh, \ 288 xinvert), \ 289 } 290 291 static const char * const enum_src_sel[] = { 292 "QD", "SE1", "SE2", "SE3", "SE", "Mute", "Mute", "Mute"}; 293 static SOC_ENUM_SINGLE_DECL(soc_enum_main_src_sel, 294 TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_SEL, enum_src_sel); 295 static const struct snd_kcontrol_new soc_mux_main_src_sel = 296 SOC_DAPM_ENUM("Main Source Select", soc_enum_main_src_sel); 297 static DECLARE_TLV_DB_SCALE(tlv_src_gain, 0, 100, 0); 298 static DECLARE_TLV_DB_SCALE(tlv_loudness_atten, -1500, 100, 0); 299 static const char * const enum_loudness_center_freq[] = { 300 "Flat", "400 Hz", "800 Hz", "2400 Hz"}; 301 static SOC_ENUM_SINGLE_DECL(soc_enum_loudness_center_freq, 302 TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_CENTER_FREQ, 303 enum_loudness_center_freq); 304 static const char * const enum_mute_influence[] = { 305 "Pin and IIC", "IIC"}; 306 static SOC_ENUM_SINGLE_DECL(soc_enum_mute_influence, 307 TDA7419_MUTE_CLK_REG, TDA7419_MUTE_INFLUENCE, enum_mute_influence); 308 static const char * const enum_soft_mute_time[] = { 309 "0.48 ms", "0.96 ms", "123 ms", "123 ms"}; 310 static SOC_ENUM_SINGLE_DECL(soc_enum_soft_mute_time, 311 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE_TIME, enum_soft_mute_time); 312 static const char * const enum_soft_step_time[] = { 313 "0.160 ms", "0.321 ms", "0.642 ms", "1.28 ms", 314 "2.56 ms", "5.12 ms", "10.24 ms", "20.48 ms"}; 315 static SOC_ENUM_SINGLE_DECL(soc_enum_soft_step_time, 316 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_STEP_TIME, enum_soft_step_time); 317 static DECLARE_TLV_DB_SCALE(tlv_volume, -8000, 100, 1); 318 static const char * const enum_treble_center_freq[] = { 319 "10.0 kHz", "12.5 kHz", "15.0 kHz", "17.5 kHz"}; 320 static DECLARE_TLV_DB_SCALE(tlv_filter, -1500, 100, 0); 321 static SOC_ENUM_SINGLE_DECL(soc_enum_treble_center_freq, 322 TDA7419_TREBLE_REG, TDA7419_TREBLE_CENTER_FREQ, 323 enum_treble_center_freq); 324 static const char * const enum_ref_out_select[] = { 325 "External Vref (4 V)", "Internal Vref (3.3 V)"}; 326 static SOC_ENUM_SINGLE_DECL(soc_enum_ref_out_select, 327 TDA7419_TREBLE_REG, TDA7419_REF_OUT_SELECT, enum_ref_out_select); 328 static const char * const enum_middle_q_factor[] = { 329 "0.5", "0.75", "1.0", "1.25"}; 330 static SOC_ENUM_SINGLE_DECL(soc_enum_middle_q_factor, 331 TDA7419_MIDDLE_REG, TDA7419_MIDDLE_Q_FACTOR, enum_middle_q_factor); 332 static const char * const enum_bass_q_factor[] = { 333 "1.0", "1.25", "1.5", "2.0"}; 334 static SOC_ENUM_SINGLE_DECL(soc_enum_bass_q_factor, 335 TDA7419_BASS_REG, TDA7419_BASS_Q_FACTOR, enum_bass_q_factor); 336 static SOC_ENUM_SINGLE_DECL(soc_enum_second_src_sel, 337 TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_SEL, enum_src_sel); 338 static const struct snd_kcontrol_new soc_mux_second_src_sel = 339 SOC_DAPM_ENUM("Second Source Select", soc_enum_second_src_sel); 340 static const char * const enum_rear_spkr_src[] = { 341 "Main", "Second"}; 342 static SOC_ENUM_SINGLE_DECL(soc_enum_rear_spkr_src, 343 TDA7419_SECOND_SRC_REG, TDA7419_REAR_SPKR_SRC, enum_rear_spkr_src); 344 static const struct snd_kcontrol_new soc_mux_rear_spkr_src = 345 SOC_DAPM_ENUM("Rear Speaker Source", soc_enum_rear_spkr_src); 346 static const char * const enum_sub_cut_off_freq[] = { 347 "Flat", "80 Hz", "120 Hz", "160 Hz"}; 348 static SOC_ENUM_SINGLE_DECL(soc_enum_sub_cut_off_freq, 349 TDA7419_SUB_MID_BASS_REG, TDA7419_SUB_CUT_OFF_FREQ, 350 enum_sub_cut_off_freq); 351 static const char * const enum_middle_center_freq[] = { 352 "500 Hz", "1000 Hz", "1500 Hz", "2500 Hz"}; 353 static SOC_ENUM_SINGLE_DECL(soc_enum_middle_center_freq, 354 TDA7419_SUB_MID_BASS_REG, TDA7419_MIDDLE_CENTER_FREQ, 355 enum_middle_center_freq); 356 static const char * const enum_bass_center_freq[] = { 357 "60 Hz", "80 Hz", "100 Hz", "200 Hz"}; 358 static SOC_ENUM_SINGLE_DECL(soc_enum_bass_center_freq, 359 TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_CENTER_FREQ, 360 enum_bass_center_freq); 361 static const char * const enum_sa_q_factor[] = { 362 "3.5", "1.75" }; 363 static SOC_ENUM_SINGLE_DECL(soc_enum_sa_q_factor, 364 TDA7419_SA_CLK_AC_REG, TDA7419_SA_Q_FACTOR, enum_sa_q_factor); 365 static const char * const enum_reset_mode[] = { 366 "IIC", "Auto" }; 367 static SOC_ENUM_SINGLE_DECL(soc_enum_reset_mode, 368 TDA7419_SA_CLK_AC_REG, TDA7419_RESET_MODE, enum_reset_mode); 369 static const char * const enum_sa_src[] = { 370 "Bass", "In Gain" }; 371 static SOC_ENUM_SINGLE_DECL(soc_enum_sa_src, 372 TDA7419_SA_CLK_AC_REG, TDA7419_SA_SOURCE, enum_sa_src); 373 static const char * const enum_clk_src[] = { 374 "Internal", "External" }; 375 static SOC_ENUM_SINGLE_DECL(soc_enum_clk_src, 376 TDA7419_SA_CLK_AC_REG, TDA7419_CLK_SOURCE, enum_clk_src); 377 static const char * const enum_coupling_mode[] = { 378 "DC Coupling (without HPF)", "AC Coupling after In Gain", 379 "DC Coupling (with HPF)", "AC Coupling after Bass" }; 380 static SOC_ENUM_SINGLE_DECL(soc_enum_coupling_mode, 381 TDA7419_SA_CLK_AC_REG, TDA7419_COUPLING_MODE, enum_coupling_mode); 382 383 /* ASoC Controls */ 384 static struct snd_kcontrol_new tda7419_controls[] = { 385 SOC_SINGLE_TLV("Main Source Capture Volume", TDA7419_MAIN_SRC_REG, 386 TDA7419_MAIN_SRC_GAIN, 15, 0, tlv_src_gain), 387 SOC_SINGLE("Main Source AutoZero Switch", TDA7419_MAIN_SRC_REG, 388 TDA7419_MAIN_SRC_AUTOZERO, 1, 1), 389 SOC_SINGLE_TLV("Loudness Playback Volume", TDA7419_LOUDNESS_REG, 390 TDA7419_LOUDNESS_ATTEN, 15, 1, tlv_loudness_atten), 391 SOC_ENUM("Loudness Center Frequency", soc_enum_loudness_center_freq), 392 SOC_SINGLE("Loudness High Boost Switch", TDA7419_LOUDNESS_REG, 393 TDA7419_LOUDNESS_BOOST, 1, 1), 394 SOC_SINGLE("Loudness Soft Step Switch", TDA7419_LOUDNESS_REG, 395 TDA7419_LOUDNESS_SOFT_STEP, 1, 1), 396 SOC_SINGLE("Soft Mute Switch", TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE, 1, 1), 397 SOC_ENUM("Mute Influence", soc_enum_mute_influence), 398 SOC_ENUM("Soft Mute Time", soc_enum_soft_mute_time), 399 SOC_ENUM("Soft Step Time", soc_enum_soft_step_time), 400 SOC_SINGLE("Clock Fast Mode Switch", TDA7419_MUTE_CLK_REG, 401 TDA7419_CLK_FAST_MODE, 1, 1), 402 TDA7419_SINGLE_TLV("Master Playback Volume", TDA7419_VOLUME_REG, 403 0x7f, -80, 15, 0x10, 0, tlv_volume), 404 SOC_SINGLE("Volume Soft Step Switch", TDA7419_VOLUME_REG, 405 TDA7419_VOLUME_SOFT_STEP, 1, 1), 406 TDA7419_SINGLE_TLV("Treble Playback Volume", TDA7419_TREBLE_REG, 407 0x1f, -15, 15, 0x10, 1, tlv_filter), 408 SOC_ENUM("Treble Center Frequency", soc_enum_treble_center_freq), 409 SOC_ENUM("Reference Output Select", soc_enum_ref_out_select), 410 TDA7419_SINGLE_TLV("Middle Playback Volume", TDA7419_MIDDLE_REG, 411 0x1f, -15, 15, 0x10, 1, tlv_filter), 412 SOC_ENUM("Middle Q Factor", soc_enum_middle_q_factor), 413 SOC_SINGLE("Middle Soft Step Switch", TDA7419_MIDDLE_REG, 414 TDA7419_MIDDLE_SOFT_STEP, 1, 1), 415 TDA7419_SINGLE_TLV("Bass Playback Volume", TDA7419_BASS_REG, 416 0x1f, -15, 15, 0x10, 1, tlv_filter), 417 SOC_ENUM("Bass Q Factor", soc_enum_bass_q_factor), 418 SOC_SINGLE("Bass Soft Step Switch", TDA7419_BASS_REG, 419 TDA7419_BASS_SOFT_STEP, 1, 1), 420 SOC_SINGLE_TLV("Second Source Capture Volume", TDA7419_SECOND_SRC_REG, 421 TDA7419_SECOND_SRC_GAIN, 15, 0, tlv_src_gain), 422 SOC_ENUM("Subwoofer Cut-off Frequency", soc_enum_sub_cut_off_freq), 423 SOC_ENUM("Middle Center Frequency", soc_enum_middle_center_freq), 424 SOC_ENUM("Bass Center Frequency", soc_enum_bass_center_freq), 425 SOC_SINGLE("Bass DC Mode Switch", TDA7419_SUB_MID_BASS_REG, 426 TDA7419_BASS_DC_MODE, 1, 1), 427 SOC_SINGLE("Smoothing Filter Switch", TDA7419_SUB_MID_BASS_REG, 428 TDA7419_SMOOTHING_FILTER, 1, 1), 429 TDA7419_DOUBLE_R_TLV("Front Speaker Playback Volume", TDA7419_ATTENUATOR_LF_REG, 430 TDA7419_ATTENUATOR_RF_REG, 0x7f, -80, 15, 0x10, 0, 431 tlv_volume), 432 SOC_SINGLE("Left Front Soft Step Switch", TDA7419_ATTENUATOR_LF_REG, 433 TDA7419_VOLUME_SOFT_STEP, 1, 1), 434 SOC_SINGLE("Right Front Soft Step Switch", TDA7419_ATTENUATOR_RF_REG, 435 TDA7419_VOLUME_SOFT_STEP, 1, 1), 436 TDA7419_DOUBLE_R_TLV("Rear Speaker Playback Volume", TDA7419_ATTENUATOR_LR_REG, 437 TDA7419_ATTENUATOR_RR_REG, 0x7f, -80, 15, 0x10, 0, 438 tlv_volume), 439 SOC_SINGLE("Left Rear Soft Step Switch", TDA7419_ATTENUATOR_LR_REG, 440 TDA7419_VOLUME_SOFT_STEP, 1, 1), 441 SOC_SINGLE("Right Rear Soft Step Switch", TDA7419_ATTENUATOR_RR_REG, 442 TDA7419_VOLUME_SOFT_STEP, 1, 1), 443 TDA7419_SINGLE_TLV("Mixing Capture Volume", TDA7419_MIXING_LEVEL_REG, 444 0x7f, -80, 15, 0x10, 0, tlv_volume), 445 SOC_SINGLE("Mixing Level Soft Step Switch", TDA7419_MIXING_LEVEL_REG, 446 TDA7419_VOLUME_SOFT_STEP, 1, 1), 447 TDA7419_SINGLE_TLV("Subwoofer Playback Volume", TDA7419_ATTENUATOR_SUB_REG, 448 0x7f, -80, 15, 0x10, 0, tlv_volume), 449 SOC_SINGLE("Subwoofer Soft Step Switch", TDA7419_ATTENUATOR_SUB_REG, 450 TDA7419_VOLUME_SOFT_STEP, 1, 1), 451 SOC_ENUM("Spectrum Analyzer Q Factor", soc_enum_sa_q_factor), 452 SOC_ENUM("Spectrum Analyzer Reset Mode", soc_enum_reset_mode), 453 SOC_ENUM("Spectrum Analyzer Source", soc_enum_sa_src), 454 SOC_SINGLE("Spectrum Analyzer Run Switch", TDA7419_SA_CLK_AC_REG, 455 TDA7419_SA_RUN, 1, 1), 456 SOC_SINGLE("Spectrum Analyzer Reset Switch", TDA7419_SA_CLK_AC_REG, 457 TDA7419_RESET, 1, 1), 458 SOC_ENUM("Clock Source", soc_enum_clk_src), 459 SOC_ENUM("Coupling Mode", soc_enum_coupling_mode), 460 }; 461 462 static const struct snd_kcontrol_new soc_mixer_lf_output_controls[] = { 463 SOC_DAPM_SINGLE("Mix to LF Speaker Switch", 464 TDA7419_MIXING_GAIN_REG, 465 TDA7419_MIX_LF, 1, 1), 466 }; 467 468 static const struct snd_kcontrol_new soc_mixer_rf_output_controls[] = { 469 SOC_DAPM_SINGLE("Mix to RF Speaker Switch", 470 TDA7419_MIXING_GAIN_REG, 471 TDA7419_MIX_RF, 1, 1), 472 }; 473 474 static const struct snd_kcontrol_new soc_mix_enable_switch_controls[] = { 475 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG, 476 TDA7419_MIX_ENABLE, 1, 1), 477 }; 478 479 static const struct snd_kcontrol_new soc_sub_enable_switch_controls[] = { 480 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG, 481 TDA7419_MIX_ENABLE, 1, 1), 482 }; 483 484 static const struct snd_soc_dapm_widget tda7419_dapm_widgets[] = { 485 SND_SOC_DAPM_INPUT("SE3L"), 486 SND_SOC_DAPM_INPUT("SE3R"), 487 SND_SOC_DAPM_INPUT("SE2L"), 488 SND_SOC_DAPM_INPUT("SE2R"), 489 SND_SOC_DAPM_INPUT("SE1L"), 490 SND_SOC_DAPM_INPUT("SE1R"), 491 SND_SOC_DAPM_INPUT("DIFFL"), 492 SND_SOC_DAPM_INPUT("DIFFR"), 493 SND_SOC_DAPM_INPUT("MIX"), 494 495 SND_SOC_DAPM_MUX("Main Source Select", SND_SOC_NOPM, 496 0, 0, &soc_mux_main_src_sel), 497 SND_SOC_DAPM_MUX("Second Source Select", SND_SOC_NOPM, 498 0, 0, &soc_mux_second_src_sel), 499 SND_SOC_DAPM_MUX("Rear Speaker Source", SND_SOC_NOPM, 500 0, 0, &soc_mux_rear_spkr_src), 501 502 SND_SOC_DAPM_SWITCH("Mix Enable", SND_SOC_NOPM, 503 0, 0, &soc_mix_enable_switch_controls[0]), 504 SND_SOC_DAPM_MIXER_NAMED_CTL("LF Output Mixer", SND_SOC_NOPM, 505 0, 0, &soc_mixer_lf_output_controls[0], 506 ARRAY_SIZE(soc_mixer_lf_output_controls)), 507 SND_SOC_DAPM_MIXER_NAMED_CTL("RF Output Mixer", SND_SOC_NOPM, 508 0, 0, &soc_mixer_rf_output_controls[0], 509 ARRAY_SIZE(soc_mixer_rf_output_controls)), 510 511 SND_SOC_DAPM_SWITCH("Subwoofer Enable", 512 SND_SOC_NOPM, 0, 0, 513 &soc_sub_enable_switch_controls[0]), 514 515 SND_SOC_DAPM_OUTPUT("OUTLF"), 516 SND_SOC_DAPM_OUTPUT("OUTRF"), 517 SND_SOC_DAPM_OUTPUT("OUTLR"), 518 SND_SOC_DAPM_OUTPUT("OUTRR"), 519 SND_SOC_DAPM_OUTPUT("OUTSW"), 520 }; 521 522 static const struct snd_soc_dapm_route tda7419_dapm_routes[] = { 523 {"Main Source Select", "SE3", "SE3L"}, 524 {"Main Source Select", "SE3", "SE3R"}, 525 {"Main Source Select", "SE2", "SE2L"}, 526 {"Main Source Select", "SE2", "SE2R"}, 527 {"Main Source Select", "SE1", "SE1L"}, 528 {"Main Source Select", "SE1", "SE1R"}, 529 {"Main Source Select", "SE", "DIFFL"}, 530 {"Main Source Select", "SE", "DIFFR"}, 531 {"Main Source Select", "QD", "DIFFL"}, 532 {"Main Source Select", "QD", "DIFFR"}, 533 534 {"Second Source Select", "SE3", "SE3L"}, 535 {"Second Source Select", "SE3", "SE3R"}, 536 {"Second Source Select", "SE2", "SE2L"}, 537 {"Second Source Select", "SE2", "SE2R"}, 538 {"Second Source Select", "SE1", "SE1L"}, 539 {"Second Source Select", "SE1", "SE1R"}, 540 {"Second Source Select", "SE", "DIFFL"}, 541 {"Second Source Select", "SE", "DIFFR"}, 542 {"Second Source Select", "QD", "DIFFL"}, 543 {"Second Source Select", "QD", "DIFFR"}, 544 545 {"Rear Speaker Source", "Main", "Main Source Select"}, 546 {"Rear Speaker Source", "Second", "Second Source Select"}, 547 548 {"Subwoofer Enable", "Switch", "Main Source Select"}, 549 550 {"Mix Enable", "Switch", "MIX"}, 551 552 {"LF Output Mixer", NULL, "Main Source Select"}, 553 {"LF Output Mixer", "Mix to LF Speaker Switch", "Mix Enable"}, 554 {"RF Output Mixer", NULL, "Main Source Select"}, 555 {"RF Output Mixer", "Mix to RF Speaker Switch", "Mix Enable"}, 556 557 {"OUTLF", NULL, "LF Output Mixer"}, 558 {"OUTRF", NULL, "RF Output Mixer"}, 559 {"OUTLR", NULL, "Rear Speaker Source"}, 560 {"OUTRR", NULL, "Rear Speaker Source"}, 561 {"OUTSW", NULL, "Subwoofer Enable"}, 562 }; 563 564 static const struct snd_soc_component_driver tda7419_component_driver = { 565 .name = "tda7419", 566 .controls = tda7419_controls, 567 .num_controls = ARRAY_SIZE(tda7419_controls), 568 .dapm_widgets = tda7419_dapm_widgets, 569 .num_dapm_widgets = ARRAY_SIZE(tda7419_dapm_widgets), 570 .dapm_routes = tda7419_dapm_routes, 571 .num_dapm_routes = ARRAY_SIZE(tda7419_dapm_routes), 572 }; 573 574 static int tda7419_probe(struct i2c_client *i2c) 575 { 576 struct tda7419_data *tda7419; 577 int i, ret; 578 579 tda7419 = devm_kzalloc(&i2c->dev, 580 sizeof(struct tda7419_data), 581 GFP_KERNEL); 582 if (tda7419 == NULL) 583 return -ENOMEM; 584 585 i2c_set_clientdata(i2c, tda7419); 586 587 tda7419->regmap = devm_regmap_init_i2c(i2c, &tda7419_regmap_config); 588 if (IS_ERR(tda7419->regmap)) { 589 ret = PTR_ERR(tda7419->regmap); 590 dev_err(&i2c->dev, "error initializing regmap: %d\n", 591 ret); 592 return ret; 593 } 594 595 /* 596 * Reset registers to power-on defaults. The part does not provide a 597 * soft-reset function and the registers are not readable. This ensures 598 * that the cache matches register contents even if the registers have 599 * been previously initialized and not power cycled before probe. 600 */ 601 for (i = 0; i < ARRAY_SIZE(tda7419_regmap_defaults); i++) 602 regmap_write(tda7419->regmap, 603 tda7419_regmap_defaults[i].reg, 604 tda7419_regmap_defaults[i].def); 605 606 ret = devm_snd_soc_register_component(&i2c->dev, 607 &tda7419_component_driver, NULL, 0); 608 if (ret < 0) { 609 dev_err(&i2c->dev, "error registering component: %d\n", 610 ret); 611 } 612 613 return ret; 614 } 615 616 static const struct i2c_device_id tda7419_i2c_id[] = { 617 { "tda7419", 0 }, 618 { } 619 }; 620 MODULE_DEVICE_TABLE(i2c, tda7419_i2c_id); 621 622 static const struct of_device_id tda7419_of_match[] = { 623 { .compatible = "st,tda7419" }, 624 { }, 625 }; 626 627 static struct i2c_driver tda7419_driver = { 628 .driver = { 629 .name = "tda7419", 630 .of_match_table = tda7419_of_match, 631 }, 632 .probe_new = tda7419_probe, 633 .id_table = tda7419_i2c_id, 634 }; 635 636 module_i2c_driver(tda7419_driver); 637 638 MODULE_AUTHOR("Matt Porter <mporter@konsulko.com>"); 639 MODULE_DESCRIPTION("TDA7419 audio processor driver"); 640 MODULE_LICENSE("GPL"); 641