1 /* 2 * DA7210 ALSA Soc codec driver 3 * 4 * Copyright (c) 2009 Dialog Semiconductor 5 * Written by David Chen <Dajun.chen@diasemi.com> 6 * 7 * Copyright (C) 2009 Renesas Solutions Corp. 8 * Cleanups by Kuninori Morimoto <morimoto.kuninori@renesas.com> 9 * 10 * Tested on SuperH Ecovec24 board with S16/S24 LE in 48KHz using I2S 11 * 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License as published by the 14 * Free Software Foundation; either version 2 of the License, or (at your 15 * option) any later version. 16 */ 17 18 #include <linux/delay.h> 19 #include <linux/i2c.h> 20 #include <linux/regmap.h> 21 #include <linux/slab.h> 22 #include <linux/module.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 25 #include <sound/soc.h> 26 #include <sound/initval.h> 27 #include <sound/tlv.h> 28 29 /* DA7210 register space */ 30 #define DA7210_CONTROL 0x01 31 #define DA7210_STATUS 0x02 32 #define DA7210_STARTUP1 0x03 33 #define DA7210_STARTUP2 0x04 34 #define DA7210_STARTUP3 0x05 35 #define DA7210_MIC_L 0x07 36 #define DA7210_MIC_R 0x08 37 #define DA7210_AUX1_L 0x09 38 #define DA7210_AUX1_R 0x0A 39 #define DA7210_AUX2 0x0B 40 #define DA7210_IN_GAIN 0x0C 41 #define DA7210_INMIX_L 0x0D 42 #define DA7210_INMIX_R 0x0E 43 #define DA7210_ADC_HPF 0x0F 44 #define DA7210_ADC 0x10 45 #define DA7210_ADC_EQ1_2 0X11 46 #define DA7210_ADC_EQ3_4 0x12 47 #define DA7210_ADC_EQ5 0x13 48 #define DA7210_DAC_HPF 0x14 49 #define DA7210_DAC_L 0x15 50 #define DA7210_DAC_R 0x16 51 #define DA7210_DAC_SEL 0x17 52 #define DA7210_SOFTMUTE 0x18 53 #define DA7210_DAC_EQ1_2 0x19 54 #define DA7210_DAC_EQ3_4 0x1A 55 #define DA7210_DAC_EQ5 0x1B 56 #define DA7210_OUTMIX_L 0x1C 57 #define DA7210_OUTMIX_R 0x1D 58 #define DA7210_OUT1_L 0x1E 59 #define DA7210_OUT1_R 0x1F 60 #define DA7210_OUT2 0x20 61 #define DA7210_HP_L_VOL 0x21 62 #define DA7210_HP_R_VOL 0x22 63 #define DA7210_HP_CFG 0x23 64 #define DA7210_ZERO_CROSS 0x24 65 #define DA7210_DAI_SRC_SEL 0x25 66 #define DA7210_DAI_CFG1 0x26 67 #define DA7210_DAI_CFG3 0x28 68 #define DA7210_PLL_DIV1 0x29 69 #define DA7210_PLL_DIV2 0x2A 70 #define DA7210_PLL_DIV3 0x2B 71 #define DA7210_PLL 0x2C 72 #define DA7210_ALC_MAX 0x83 73 #define DA7210_ALC_MIN 0x84 74 #define DA7210_ALC_NOIS 0x85 75 #define DA7210_ALC_ATT 0x86 76 #define DA7210_ALC_REL 0x87 77 #define DA7210_ALC_DEL 0x88 78 #define DA7210_A_HID_UNLOCK 0x8A 79 #define DA7210_A_TEST_UNLOCK 0x8B 80 #define DA7210_A_PLL1 0x90 81 #define DA7210_A_CP_MODE 0xA7 82 83 /* STARTUP1 bit fields */ 84 #define DA7210_SC_MST_EN (1 << 0) 85 86 /* MIC_L bit fields */ 87 #define DA7210_MICBIAS_EN (1 << 6) 88 #define DA7210_MIC_L_EN (1 << 7) 89 90 /* MIC_R bit fields */ 91 #define DA7210_MIC_R_EN (1 << 7) 92 93 /* INMIX_L bit fields */ 94 #define DA7210_IN_L_EN (1 << 7) 95 96 /* INMIX_R bit fields */ 97 #define DA7210_IN_R_EN (1 << 7) 98 99 /* ADC bit fields */ 100 #define DA7210_ADC_ALC_EN (1 << 0) 101 #define DA7210_ADC_L_EN (1 << 3) 102 #define DA7210_ADC_R_EN (1 << 7) 103 104 /* DAC/ADC HPF fields */ 105 #define DA7210_VOICE_F0_MASK (0x7 << 4) 106 #define DA7210_VOICE_F0_25 (1 << 4) 107 #define DA7210_VOICE_EN (1 << 7) 108 109 /* DAC_SEL bit fields */ 110 #define DA7210_DAC_L_SRC_DAI_L (4 << 0) 111 #define DA7210_DAC_L_EN (1 << 3) 112 #define DA7210_DAC_R_SRC_DAI_R (5 << 4) 113 #define DA7210_DAC_R_EN (1 << 7) 114 115 /* OUTMIX_L bit fields */ 116 #define DA7210_OUT_L_EN (1 << 7) 117 118 /* OUTMIX_R bit fields */ 119 #define DA7210_OUT_R_EN (1 << 7) 120 121 /* HP_CFG bit fields */ 122 #define DA7210_HP_2CAP_MODE (1 << 1) 123 #define DA7210_HP_SENSE_EN (1 << 2) 124 #define DA7210_HP_L_EN (1 << 3) 125 #define DA7210_HP_MODE (1 << 6) 126 #define DA7210_HP_R_EN (1 << 7) 127 128 /* DAI_SRC_SEL bit fields */ 129 #define DA7210_DAI_OUT_L_SRC (6 << 0) 130 #define DA7210_DAI_OUT_R_SRC (7 << 4) 131 132 /* DAI_CFG1 bit fields */ 133 #define DA7210_DAI_WORD_S16_LE (0 << 0) 134 #define DA7210_DAI_WORD_S20_3LE (1 << 0) 135 #define DA7210_DAI_WORD_S24_LE (2 << 0) 136 #define DA7210_DAI_WORD_S32_LE (3 << 0) 137 #define DA7210_DAI_FLEN_64BIT (1 << 2) 138 #define DA7210_DAI_MODE_SLAVE (0 << 7) 139 #define DA7210_DAI_MODE_MASTER (1 << 7) 140 141 /* DAI_CFG3 bit fields */ 142 #define DA7210_DAI_FORMAT_I2SMODE (0 << 0) 143 #define DA7210_DAI_FORMAT_LEFT_J (1 << 0) 144 #define DA7210_DAI_FORMAT_RIGHT_J (2 << 0) 145 #define DA7210_DAI_OE (1 << 3) 146 #define DA7210_DAI_EN (1 << 7) 147 148 /*PLL_DIV3 bit fields */ 149 #define DA7210_MCLK_RANGE_10_20_MHZ (1 << 4) 150 #define DA7210_PLL_BYP (1 << 6) 151 152 /* PLL bit fields */ 153 #define DA7210_PLL_FS_MASK (0xF << 0) 154 #define DA7210_PLL_FS_8000 (0x1 << 0) 155 #define DA7210_PLL_FS_11025 (0x2 << 0) 156 #define DA7210_PLL_FS_12000 (0x3 << 0) 157 #define DA7210_PLL_FS_16000 (0x5 << 0) 158 #define DA7210_PLL_FS_22050 (0x6 << 0) 159 #define DA7210_PLL_FS_24000 (0x7 << 0) 160 #define DA7210_PLL_FS_32000 (0x9 << 0) 161 #define DA7210_PLL_FS_44100 (0xA << 0) 162 #define DA7210_PLL_FS_48000 (0xB << 0) 163 #define DA7210_PLL_FS_88200 (0xE << 0) 164 #define DA7210_PLL_FS_96000 (0xF << 0) 165 #define DA7210_PLL_EN (0x1 << 7) 166 167 /* SOFTMUTE bit fields */ 168 #define DA7210_RAMP_EN (1 << 6) 169 170 /* CONTROL bit fields */ 171 #define DA7210_NOISE_SUP_EN (1 << 3) 172 173 /* IN_GAIN bit fields */ 174 #define DA7210_INPGA_L_VOL (0x0F << 0) 175 #define DA7210_INPGA_R_VOL (0xF0 << 0) 176 177 /* ZERO_CROSS bit fields */ 178 #define DA7210_AUX1_L_ZC (1 << 0) 179 #define DA7210_AUX1_R_ZC (1 << 1) 180 #define DA7210_HP_L_ZC (1 << 6) 181 #define DA7210_HP_R_ZC (1 << 7) 182 183 /* AUX1_L bit fields */ 184 #define DA7210_AUX1_L_VOL (0x3F << 0) 185 #define DA7210_AUX1_L_EN (1 << 7) 186 187 /* AUX1_R bit fields */ 188 #define DA7210_AUX1_R_VOL (0x3F << 0) 189 #define DA7210_AUX1_R_EN (1 << 7) 190 191 /* AUX2 bit fields */ 192 #define DA7210_AUX2_EN (1 << 3) 193 194 /* Minimum INPGA and AUX1 volume to enable noise suppression */ 195 #define DA7210_INPGA_MIN_VOL_NS 0x0A /* 10.5dB */ 196 #define DA7210_AUX1_MIN_VOL_NS 0x35 /* 6dB */ 197 198 /* OUT1_L bit fields */ 199 #define DA7210_OUT1_L_EN (1 << 7) 200 201 /* OUT1_R bit fields */ 202 #define DA7210_OUT1_R_EN (1 << 7) 203 204 /* OUT2 bit fields */ 205 #define DA7210_OUT2_OUTMIX_R (1 << 5) 206 #define DA7210_OUT2_OUTMIX_L (1 << 6) 207 #define DA7210_OUT2_EN (1 << 7) 208 209 #define DA7210_VERSION "0.0.1" 210 211 /* 212 * Playback Volume 213 * 214 * max : 0x3F (+15.0 dB) 215 * (1.5 dB step) 216 * min : 0x11 (-54.0 dB) 217 * mute : 0x10 218 * reserved : 0x00 - 0x0F 219 * 220 * Reserved area are considered as "mute". 221 */ 222 static const unsigned int hp_out_tlv[] = { 223 TLV_DB_RANGE_HEAD(2), 224 0x0, 0x10, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), 225 /* -54 dB to +15 dB */ 226 0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0), 227 }; 228 229 static const unsigned int lineout_vol_tlv[] = { 230 TLV_DB_RANGE_HEAD(2), 231 0x0, 0x10, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), 232 /* -54dB to 15dB */ 233 0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0) 234 }; 235 236 static const unsigned int mono_vol_tlv[] = { 237 TLV_DB_RANGE_HEAD(2), 238 0x0, 0x2, TLV_DB_SCALE_ITEM(-1800, 0, 1), 239 /* -18dB to 6dB */ 240 0x3, 0x7, TLV_DB_SCALE_ITEM(-1800, 600, 0) 241 }; 242 243 static const unsigned int aux1_vol_tlv[] = { 244 TLV_DB_RANGE_HEAD(2), 245 0x0, 0x10, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), 246 /* -48dB to 21dB */ 247 0x11, 0x3f, TLV_DB_SCALE_ITEM(-4800, 150, 0) 248 }; 249 250 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0); 251 static const DECLARE_TLV_DB_SCALE(adc_eq_master_gain_tlv, -1800, 600, 1); 252 static const DECLARE_TLV_DB_SCALE(dac_gain_tlv, -7725, 75, 0); 253 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0); 254 static const DECLARE_TLV_DB_SCALE(aux2_vol_tlv, -600, 600, 0); 255 static const DECLARE_TLV_DB_SCALE(inpga_gain_tlv, -450, 150, 0); 256 257 /* ADC and DAC high pass filter f0 value */ 258 static const char * const da7210_hpf_cutoff_txt[] = { 259 "Fs/8192*pi", "Fs/4096*pi", "Fs/2048*pi", "Fs/1024*pi" 260 }; 261 262 static const struct soc_enum da7210_dac_hpf_cutoff = 263 SOC_ENUM_SINGLE(DA7210_DAC_HPF, 0, 4, da7210_hpf_cutoff_txt); 264 265 static const struct soc_enum da7210_adc_hpf_cutoff = 266 SOC_ENUM_SINGLE(DA7210_ADC_HPF, 0, 4, da7210_hpf_cutoff_txt); 267 268 /* ADC and DAC voice (8kHz) high pass cutoff value */ 269 static const char * const da7210_vf_cutoff_txt[] = { 270 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" 271 }; 272 273 static const struct soc_enum da7210_dac_vf_cutoff = 274 SOC_ENUM_SINGLE(DA7210_DAC_HPF, 4, 8, da7210_vf_cutoff_txt); 275 276 static const struct soc_enum da7210_adc_vf_cutoff = 277 SOC_ENUM_SINGLE(DA7210_ADC_HPF, 4, 8, da7210_vf_cutoff_txt); 278 279 static const char *da7210_hp_mode_txt[] = { 280 "Class H", "Class G" 281 }; 282 283 static const struct soc_enum da7210_hp_mode_sel = 284 SOC_ENUM_SINGLE(DA7210_HP_CFG, 0, 2, da7210_hp_mode_txt); 285 286 /* ALC can be enabled only if noise suppression is disabled */ 287 static int da7210_put_alc_sw(struct snd_kcontrol *kcontrol, 288 struct snd_ctl_elem_value *ucontrol) 289 { 290 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 291 292 if (ucontrol->value.integer.value[0]) { 293 /* Check if noise suppression is enabled */ 294 if (snd_soc_read(codec, DA7210_CONTROL) & DA7210_NOISE_SUP_EN) { 295 dev_dbg(codec->dev, 296 "Disable noise suppression to enable ALC\n"); 297 return -EINVAL; 298 } 299 } 300 /* If all conditions are met or we are actually disabling ALC */ 301 return snd_soc_put_volsw(kcontrol, ucontrol); 302 } 303 304 /* Noise suppression can be enabled only if following conditions are met 305 * ALC disabled 306 * ZC enabled for HP and AUX1 PGA 307 * INPGA_L_VOL and INPGA_R_VOL >= 10.5 dB 308 * AUX1_L_VOL and AUX1_R_VOL >= 6 dB 309 */ 310 static int da7210_put_noise_sup_sw(struct snd_kcontrol *kcontrol, 311 struct snd_ctl_elem_value *ucontrol) 312 { 313 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 314 u8 val; 315 316 if (ucontrol->value.integer.value[0]) { 317 /* Check if ALC is enabled */ 318 if (snd_soc_read(codec, DA7210_ADC) & DA7210_ADC_ALC_EN) 319 goto err; 320 321 /* Check ZC for HP and AUX1 PGA */ 322 if ((snd_soc_read(codec, DA7210_ZERO_CROSS) & 323 (DA7210_AUX1_L_ZC | DA7210_AUX1_R_ZC | DA7210_HP_L_ZC | 324 DA7210_HP_R_ZC)) != (DA7210_AUX1_L_ZC | 325 DA7210_AUX1_R_ZC | DA7210_HP_L_ZC | DA7210_HP_R_ZC)) 326 goto err; 327 328 /* Check INPGA_L_VOL and INPGA_R_VOL */ 329 val = snd_soc_read(codec, DA7210_IN_GAIN); 330 if (((val & DA7210_INPGA_L_VOL) < DA7210_INPGA_MIN_VOL_NS) || 331 (((val & DA7210_INPGA_R_VOL) >> 4) < 332 DA7210_INPGA_MIN_VOL_NS)) 333 goto err; 334 335 /* Check AUX1_L_VOL and AUX1_R_VOL */ 336 if (((snd_soc_read(codec, DA7210_AUX1_L) & DA7210_AUX1_L_VOL) < 337 DA7210_AUX1_MIN_VOL_NS) || 338 ((snd_soc_read(codec, DA7210_AUX1_R) & DA7210_AUX1_R_VOL) < 339 DA7210_AUX1_MIN_VOL_NS)) 340 goto err; 341 } 342 /* If all conditions are met or we are actually disabling Noise sup */ 343 return snd_soc_put_volsw(kcontrol, ucontrol); 344 345 err: 346 return -EINVAL; 347 } 348 349 static const struct snd_kcontrol_new da7210_snd_controls[] = { 350 351 SOC_DOUBLE_R_TLV("HeadPhone Playback Volume", 352 DA7210_HP_L_VOL, DA7210_HP_R_VOL, 353 0, 0x3F, 0, hp_out_tlv), 354 SOC_DOUBLE_R_TLV("Digital Playback Volume", 355 DA7210_DAC_L, DA7210_DAC_R, 356 0, 0x77, 1, dac_gain_tlv), 357 SOC_DOUBLE_R_TLV("Lineout Playback Volume", 358 DA7210_OUT1_L, DA7210_OUT1_R, 359 0, 0x3f, 0, lineout_vol_tlv), 360 SOC_SINGLE_TLV("Mono Playback Volume", DA7210_OUT2, 0, 0x7, 0, 361 mono_vol_tlv), 362 363 SOC_DOUBLE_R_TLV("Mic Capture Volume", 364 DA7210_MIC_L, DA7210_MIC_R, 365 0, 0x5, 0, mic_vol_tlv), 366 SOC_DOUBLE_R_TLV("Aux1 Capture Volume", 367 DA7210_AUX1_L, DA7210_AUX1_R, 368 0, 0x3f, 0, aux1_vol_tlv), 369 SOC_SINGLE_TLV("Aux2 Capture Volume", DA7210_AUX2, 0, 0x3, 0, 370 aux2_vol_tlv), 371 SOC_DOUBLE_TLV("In PGA Capture Volume", DA7210_IN_GAIN, 0, 4, 0xF, 0, 372 inpga_gain_tlv), 373 374 /* DAC Equalizer controls */ 375 SOC_SINGLE("DAC EQ Switch", DA7210_DAC_EQ5, 7, 1, 0), 376 SOC_SINGLE_TLV("DAC EQ1 Volume", DA7210_DAC_EQ1_2, 0, 0xf, 1, 377 eq_gain_tlv), 378 SOC_SINGLE_TLV("DAC EQ2 Volume", DA7210_DAC_EQ1_2, 4, 0xf, 1, 379 eq_gain_tlv), 380 SOC_SINGLE_TLV("DAC EQ3 Volume", DA7210_DAC_EQ3_4, 0, 0xf, 1, 381 eq_gain_tlv), 382 SOC_SINGLE_TLV("DAC EQ4 Volume", DA7210_DAC_EQ3_4, 4, 0xf, 1, 383 eq_gain_tlv), 384 SOC_SINGLE_TLV("DAC EQ5 Volume", DA7210_DAC_EQ5, 0, 0xf, 1, 385 eq_gain_tlv), 386 387 /* ADC Equalizer controls */ 388 SOC_SINGLE("ADC EQ Switch", DA7210_ADC_EQ5, 7, 1, 0), 389 SOC_SINGLE_TLV("ADC EQ Master Volume", DA7210_ADC_EQ5, 4, 0x3, 390 1, adc_eq_master_gain_tlv), 391 SOC_SINGLE_TLV("ADC EQ1 Volume", DA7210_ADC_EQ1_2, 0, 0xf, 1, 392 eq_gain_tlv), 393 SOC_SINGLE_TLV("ADC EQ2 Volume", DA7210_ADC_EQ1_2, 4, 0xf, 1, 394 eq_gain_tlv), 395 SOC_SINGLE_TLV("ADC EQ3 Volume", DA7210_ADC_EQ3_4, 0, 0xf, 1, 396 eq_gain_tlv), 397 SOC_SINGLE_TLV("ADC EQ4 Volume", DA7210_ADC_EQ3_4, 4, 0xf, 1, 398 eq_gain_tlv), 399 SOC_SINGLE_TLV("ADC EQ5 Volume", DA7210_ADC_EQ5, 0, 0xf, 1, 400 eq_gain_tlv), 401 402 SOC_SINGLE("DAC HPF Switch", DA7210_DAC_HPF, 3, 1, 0), 403 SOC_ENUM("DAC HPF Cutoff", da7210_dac_hpf_cutoff), 404 SOC_SINGLE("DAC Voice Mode Switch", DA7210_DAC_HPF, 7, 1, 0), 405 SOC_ENUM("DAC Voice Cutoff", da7210_dac_vf_cutoff), 406 407 SOC_SINGLE("ADC HPF Switch", DA7210_ADC_HPF, 3, 1, 0), 408 SOC_ENUM("ADC HPF Cutoff", da7210_adc_hpf_cutoff), 409 SOC_SINGLE("ADC Voice Mode Switch", DA7210_ADC_HPF, 7, 1, 0), 410 SOC_ENUM("ADC Voice Cutoff", da7210_adc_vf_cutoff), 411 412 /* Mute controls */ 413 SOC_DOUBLE_R("Mic Capture Switch", DA7210_MIC_L, DA7210_MIC_R, 3, 1, 0), 414 SOC_SINGLE("Aux2 Capture Switch", DA7210_AUX2, 2, 1, 0), 415 SOC_DOUBLE("ADC Capture Switch", DA7210_ADC, 2, 6, 1, 0), 416 SOC_SINGLE("Digital Soft Mute Switch", DA7210_SOFTMUTE, 7, 1, 0), 417 SOC_SINGLE("Digital Soft Mute Rate", DA7210_SOFTMUTE, 0, 0x7, 0), 418 419 /* Zero cross controls */ 420 SOC_DOUBLE("Aux1 ZC Switch", DA7210_ZERO_CROSS, 0, 1, 1, 0), 421 SOC_DOUBLE("In PGA ZC Switch", DA7210_ZERO_CROSS, 2, 3, 1, 0), 422 SOC_DOUBLE("Lineout ZC Switch", DA7210_ZERO_CROSS, 4, 5, 1, 0), 423 SOC_DOUBLE("Headphone ZC Switch", DA7210_ZERO_CROSS, 6, 7, 1, 0), 424 425 SOC_ENUM("Headphone Class", da7210_hp_mode_sel), 426 427 /* ALC controls */ 428 SOC_SINGLE_EXT("ALC Enable Switch", DA7210_ADC, 0, 1, 0, 429 snd_soc_get_volsw, da7210_put_alc_sw), 430 SOC_SINGLE("ALC Capture Max Volume", DA7210_ALC_MAX, 0, 0x3F, 0), 431 SOC_SINGLE("ALC Capture Min Volume", DA7210_ALC_MIN, 0, 0x3F, 0), 432 SOC_SINGLE("ALC Capture Noise Volume", DA7210_ALC_NOIS, 0, 0x3F, 0), 433 SOC_SINGLE("ALC Capture Attack Rate", DA7210_ALC_ATT, 0, 0xFF, 0), 434 SOC_SINGLE("ALC Capture Release Rate", DA7210_ALC_REL, 0, 0xFF, 0), 435 SOC_SINGLE("ALC Capture Release Delay", DA7210_ALC_DEL, 0, 0xFF, 0), 436 437 SOC_SINGLE_EXT("Noise Suppression Enable Switch", DA7210_CONTROL, 3, 1, 438 0, snd_soc_get_volsw, da7210_put_noise_sup_sw), 439 }; 440 441 /* 442 * DAPM Controls 443 * 444 * Current DAPM implementation covers almost all codec components e.g. IOs, 445 * mixers, PGAs,ADC and DAC. 446 */ 447 /* In Mixer Left */ 448 static const struct snd_kcontrol_new da7210_dapm_inmixl_controls[] = { 449 SOC_DAPM_SINGLE("Mic Left Switch", DA7210_INMIX_L, 0, 1, 0), 450 SOC_DAPM_SINGLE("Mic Right Switch", DA7210_INMIX_L, 1, 1, 0), 451 SOC_DAPM_SINGLE("Aux1 Left Switch", DA7210_INMIX_L, 2, 1, 0), 452 SOC_DAPM_SINGLE("Aux2 Switch", DA7210_INMIX_L, 3, 1, 0), 453 SOC_DAPM_SINGLE("Outmix Left Switch", DA7210_INMIX_L, 4, 1, 0), 454 }; 455 456 /* In Mixer Right */ 457 static const struct snd_kcontrol_new da7210_dapm_inmixr_controls[] = { 458 SOC_DAPM_SINGLE("Mic Right Switch", DA7210_INMIX_R, 0, 1, 0), 459 SOC_DAPM_SINGLE("Mic Left Switch", DA7210_INMIX_R, 1, 1, 0), 460 SOC_DAPM_SINGLE("Aux1 Right Switch", DA7210_INMIX_R, 2, 1, 0), 461 SOC_DAPM_SINGLE("Aux2 Switch", DA7210_INMIX_R, 3, 1, 0), 462 SOC_DAPM_SINGLE("Outmix Right Switch", DA7210_INMIX_R, 4, 1, 0), 463 }; 464 465 /* Out Mixer Left */ 466 static const struct snd_kcontrol_new da7210_dapm_outmixl_controls[] = { 467 SOC_DAPM_SINGLE("Aux1 Left Switch", DA7210_OUTMIX_L, 0, 1, 0), 468 SOC_DAPM_SINGLE("Aux2 Switch", DA7210_OUTMIX_L, 1, 1, 0), 469 SOC_DAPM_SINGLE("INPGA Left Switch", DA7210_OUTMIX_L, 2, 1, 0), 470 SOC_DAPM_SINGLE("INPGA Right Switch", DA7210_OUTMIX_L, 3, 1, 0), 471 SOC_DAPM_SINGLE("DAC Left Switch", DA7210_OUTMIX_L, 4, 1, 0), 472 }; 473 474 /* Out Mixer Right */ 475 static const struct snd_kcontrol_new da7210_dapm_outmixr_controls[] = { 476 SOC_DAPM_SINGLE("Aux1 Right Switch", DA7210_OUTMIX_R, 0, 1, 0), 477 SOC_DAPM_SINGLE("Aux2 Switch", DA7210_OUTMIX_R, 1, 1, 0), 478 SOC_DAPM_SINGLE("INPGA Left Switch", DA7210_OUTMIX_R, 2, 1, 0), 479 SOC_DAPM_SINGLE("INPGA Right Switch", DA7210_OUTMIX_R, 3, 1, 0), 480 SOC_DAPM_SINGLE("DAC Right Switch", DA7210_OUTMIX_R, 4, 1, 0), 481 }; 482 483 /* Mono Mixer */ 484 static const struct snd_kcontrol_new da7210_dapm_monomix_controls[] = { 485 SOC_DAPM_SINGLE("INPGA Right Switch", DA7210_OUT2, 3, 1, 0), 486 SOC_DAPM_SINGLE("INPGA Left Switch", DA7210_OUT2, 4, 1, 0), 487 SOC_DAPM_SINGLE("Outmix Right Switch", DA7210_OUT2, 5, 1, 0), 488 SOC_DAPM_SINGLE("Outmix Left Switch", DA7210_OUT2, 6, 1, 0), 489 }; 490 491 /* DAPM widgets */ 492 static const struct snd_soc_dapm_widget da7210_dapm_widgets[] = { 493 /* Input Side */ 494 /* Input Lines */ 495 SND_SOC_DAPM_INPUT("MICL"), 496 SND_SOC_DAPM_INPUT("MICR"), 497 SND_SOC_DAPM_INPUT("AUX1L"), 498 SND_SOC_DAPM_INPUT("AUX1R"), 499 SND_SOC_DAPM_INPUT("AUX2"), 500 501 /* Input PGAs */ 502 SND_SOC_DAPM_PGA("Mic Left", DA7210_STARTUP3, 0, 1, NULL, 0), 503 SND_SOC_DAPM_PGA("Mic Right", DA7210_STARTUP3, 1, 1, NULL, 0), 504 SND_SOC_DAPM_PGA("Aux1 Left", DA7210_STARTUP3, 2, 1, NULL, 0), 505 SND_SOC_DAPM_PGA("Aux1 Right", DA7210_STARTUP3, 3, 1, NULL, 0), 506 SND_SOC_DAPM_PGA("Aux2 Mono", DA7210_STARTUP3, 4, 1, NULL, 0), 507 508 SND_SOC_DAPM_PGA("INPGA Left", DA7210_INMIX_L, 7, 0, NULL, 0), 509 SND_SOC_DAPM_PGA("INPGA Right", DA7210_INMIX_R, 7, 0, NULL, 0), 510 511 /* MICBIAS */ 512 SND_SOC_DAPM_SUPPLY("Mic Bias", DA7210_MIC_L, 6, 0, NULL, 0), 513 514 /* Input Mixers */ 515 SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0, 516 &da7210_dapm_inmixl_controls[0], 517 ARRAY_SIZE(da7210_dapm_inmixl_controls)), 518 519 SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0, 520 &da7210_dapm_inmixr_controls[0], 521 ARRAY_SIZE(da7210_dapm_inmixr_controls)), 522 523 /* ADCs */ 524 SND_SOC_DAPM_ADC("ADC Left", "Capture", DA7210_STARTUP3, 5, 1), 525 SND_SOC_DAPM_ADC("ADC Right", "Capture", DA7210_STARTUP3, 6, 1), 526 527 /* Output Side */ 528 /* DACs */ 529 SND_SOC_DAPM_DAC("DAC Left", "Playback", DA7210_STARTUP2, 5, 1), 530 SND_SOC_DAPM_DAC("DAC Right", "Playback", DA7210_STARTUP2, 6, 1), 531 532 /* Output Mixers */ 533 SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0, 534 &da7210_dapm_outmixl_controls[0], 535 ARRAY_SIZE(da7210_dapm_outmixl_controls)), 536 537 SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0, 538 &da7210_dapm_outmixr_controls[0], 539 ARRAY_SIZE(da7210_dapm_outmixr_controls)), 540 541 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, 542 &da7210_dapm_monomix_controls[0], 543 ARRAY_SIZE(da7210_dapm_monomix_controls)), 544 545 /* Output PGAs */ 546 SND_SOC_DAPM_PGA("OUTPGA Left Enable", DA7210_OUTMIX_L, 7, 0, NULL, 0), 547 SND_SOC_DAPM_PGA("OUTPGA Right Enable", DA7210_OUTMIX_R, 7, 0, NULL, 0), 548 549 SND_SOC_DAPM_PGA("Out1 Left", DA7210_STARTUP2, 0, 1, NULL, 0), 550 SND_SOC_DAPM_PGA("Out1 Right", DA7210_STARTUP2, 1, 1, NULL, 0), 551 SND_SOC_DAPM_PGA("Out2 Mono", DA7210_STARTUP2, 2, 1, NULL, 0), 552 SND_SOC_DAPM_PGA("Headphone Left", DA7210_STARTUP2, 3, 1, NULL, 0), 553 SND_SOC_DAPM_PGA("Headphone Right", DA7210_STARTUP2, 4, 1, NULL, 0), 554 555 /* Output Lines */ 556 SND_SOC_DAPM_OUTPUT("OUT1L"), 557 SND_SOC_DAPM_OUTPUT("OUT1R"), 558 SND_SOC_DAPM_OUTPUT("HPL"), 559 SND_SOC_DAPM_OUTPUT("HPR"), 560 SND_SOC_DAPM_OUTPUT("OUT2"), 561 }; 562 563 /* DAPM audio route definition */ 564 static const struct snd_soc_dapm_route da7210_audio_map[] = { 565 /* Dest Connecting Widget source */ 566 /* Input path */ 567 {"Mic Left", NULL, "MICL"}, 568 {"Mic Right", NULL, "MICR"}, 569 {"Aux1 Left", NULL, "AUX1L"}, 570 {"Aux1 Right", NULL, "AUX1R"}, 571 {"Aux2 Mono", NULL, "AUX2"}, 572 573 {"In Mixer Left", "Mic Left Switch", "Mic Left"}, 574 {"In Mixer Left", "Mic Right Switch", "Mic Right"}, 575 {"In Mixer Left", "Aux1 Left Switch", "Aux1 Left"}, 576 {"In Mixer Left", "Aux2 Switch", "Aux2 Mono"}, 577 {"In Mixer Left", "Outmix Left Switch", "Out Mixer Left"}, 578 579 {"In Mixer Right", "Mic Right Switch", "Mic Right"}, 580 {"In Mixer Right", "Mic Left Switch", "Mic Left"}, 581 {"In Mixer Right", "Aux1 Right Switch", "Aux1 Right"}, 582 {"In Mixer Right", "Aux2 Switch", "Aux2 Mono"}, 583 {"In Mixer Right", "Outmix Right Switch", "Out Mixer Right"}, 584 585 {"INPGA Left", NULL, "In Mixer Left"}, 586 {"ADC Left", NULL, "INPGA Left"}, 587 588 {"INPGA Right", NULL, "In Mixer Right"}, 589 {"ADC Right", NULL, "INPGA Right"}, 590 591 /* Output path */ 592 {"Out Mixer Left", "Aux1 Left Switch", "Aux1 Left"}, 593 {"Out Mixer Left", "Aux2 Switch", "Aux2 Mono"}, 594 {"Out Mixer Left", "INPGA Left Switch", "INPGA Left"}, 595 {"Out Mixer Left", "INPGA Right Switch", "INPGA Right"}, 596 {"Out Mixer Left", "DAC Left Switch", "DAC Left"}, 597 598 {"Out Mixer Right", "Aux1 Right Switch", "Aux1 Right"}, 599 {"Out Mixer Right", "Aux2 Switch", "Aux2 Mono"}, 600 {"Out Mixer Right", "INPGA Right Switch", "INPGA Right"}, 601 {"Out Mixer Right", "INPGA Left Switch", "INPGA Left"}, 602 {"Out Mixer Right", "DAC Right Switch", "DAC Right"}, 603 604 {"Mono Mixer", "INPGA Right Switch", "INPGA Right"}, 605 {"Mono Mixer", "INPGA Left Switch", "INPGA Left"}, 606 {"Mono Mixer", "Outmix Right Switch", "Out Mixer Right"}, 607 {"Mono Mixer", "Outmix Left Switch", "Out Mixer Left"}, 608 609 {"OUTPGA Left Enable", NULL, "Out Mixer Left"}, 610 {"OUTPGA Right Enable", NULL, "Out Mixer Right"}, 611 612 {"Out1 Left", NULL, "OUTPGA Left Enable"}, 613 {"OUT1L", NULL, "Out1 Left"}, 614 615 {"Out1 Right", NULL, "OUTPGA Right Enable"}, 616 {"OUT1R", NULL, "Out1 Right"}, 617 618 {"Headphone Left", NULL, "OUTPGA Left Enable"}, 619 {"HPL", NULL, "Headphone Left"}, 620 621 {"Headphone Right", NULL, "OUTPGA Right Enable"}, 622 {"HPR", NULL, "Headphone Right"}, 623 624 {"Out2 Mono", NULL, "Mono Mixer"}, 625 {"OUT2", NULL, "Out2 Mono"}, 626 }; 627 628 /* Codec private data */ 629 struct da7210_priv { 630 struct regmap *regmap; 631 }; 632 633 static struct reg_default da7210_reg_defaults[] = { 634 { 0x01, 0x11 }, 635 { 0x03, 0x00 }, 636 { 0x04, 0x00 }, 637 { 0x05, 0x00 }, 638 { 0x06, 0x00 }, 639 { 0x07, 0x00 }, 640 { 0x08, 0x00 }, 641 { 0x09, 0x00 }, 642 { 0x0a, 0x00 }, 643 { 0x0b, 0x00 }, 644 { 0x0c, 0x00 }, 645 { 0x0d, 0x00 }, 646 { 0x0e, 0x00 }, 647 { 0x0f, 0x08 }, 648 { 0x10, 0x00 }, 649 { 0x11, 0x00 }, 650 { 0x12, 0x00 }, 651 { 0x13, 0x00 }, 652 { 0x14, 0x08 }, 653 { 0x15, 0x10 }, 654 { 0x16, 0x10 }, 655 { 0x17, 0x54 }, 656 { 0x18, 0x40 }, 657 { 0x19, 0x00 }, 658 { 0x1a, 0x00 }, 659 { 0x1b, 0x00 }, 660 { 0x1c, 0x00 }, 661 { 0x1d, 0x00 }, 662 { 0x1e, 0x00 }, 663 { 0x1f, 0x00 }, 664 { 0x20, 0x00 }, 665 { 0x21, 0x00 }, 666 { 0x22, 0x00 }, 667 { 0x23, 0x02 }, 668 { 0x24, 0x00 }, 669 { 0x25, 0x76 }, 670 { 0x26, 0x00 }, 671 { 0x27, 0x00 }, 672 { 0x28, 0x04 }, 673 { 0x29, 0x00 }, 674 { 0x2a, 0x00 }, 675 { 0x2b, 0x30 }, 676 { 0x2c, 0x2A }, 677 { 0x83, 0x00 }, 678 { 0x84, 0x00 }, 679 { 0x85, 0x00 }, 680 { 0x86, 0x00 }, 681 { 0x87, 0x00 }, 682 { 0x88, 0x00 }, 683 }; 684 685 static bool da7210_readable_register(struct device *dev, unsigned int reg) 686 { 687 switch (reg) { 688 case DA7210_A_HID_UNLOCK: 689 case DA7210_A_TEST_UNLOCK: 690 case DA7210_A_PLL1: 691 case DA7210_A_CP_MODE: 692 return false; 693 default: 694 return true; 695 } 696 } 697 698 static bool da7210_volatile_register(struct device *dev, 699 unsigned int reg) 700 { 701 switch (reg) { 702 case DA7210_STATUS: 703 return true; 704 default: 705 return false; 706 } 707 } 708 709 /* 710 * Set PCM DAI word length. 711 */ 712 static int da7210_hw_params(struct snd_pcm_substream *substream, 713 struct snd_pcm_hw_params *params, 714 struct snd_soc_dai *dai) 715 { 716 struct snd_soc_pcm_runtime *rtd = substream->private_data; 717 struct snd_soc_codec *codec = rtd->codec; 718 u32 dai_cfg1; 719 u32 fs, bypass; 720 721 /* set DAI source to Left and Right ADC */ 722 snd_soc_write(codec, DA7210_DAI_SRC_SEL, 723 DA7210_DAI_OUT_R_SRC | DA7210_DAI_OUT_L_SRC); 724 725 /* Enable DAI */ 726 snd_soc_write(codec, DA7210_DAI_CFG3, DA7210_DAI_OE | DA7210_DAI_EN); 727 728 dai_cfg1 = 0xFC & snd_soc_read(codec, DA7210_DAI_CFG1); 729 730 switch (params_format(params)) { 731 case SNDRV_PCM_FORMAT_S16_LE: 732 dai_cfg1 |= DA7210_DAI_WORD_S16_LE; 733 break; 734 case SNDRV_PCM_FORMAT_S20_3LE: 735 dai_cfg1 |= DA7210_DAI_WORD_S20_3LE; 736 break; 737 case SNDRV_PCM_FORMAT_S24_LE: 738 dai_cfg1 |= DA7210_DAI_WORD_S24_LE; 739 break; 740 case SNDRV_PCM_FORMAT_S32_LE: 741 dai_cfg1 |= DA7210_DAI_WORD_S32_LE; 742 break; 743 default: 744 return -EINVAL; 745 } 746 747 snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1); 748 749 switch (params_rate(params)) { 750 case 8000: 751 fs = DA7210_PLL_FS_8000; 752 bypass = DA7210_PLL_BYP; 753 break; 754 case 11025: 755 fs = DA7210_PLL_FS_11025; 756 bypass = 0; 757 break; 758 case 12000: 759 fs = DA7210_PLL_FS_12000; 760 bypass = DA7210_PLL_BYP; 761 break; 762 case 16000: 763 fs = DA7210_PLL_FS_16000; 764 bypass = DA7210_PLL_BYP; 765 break; 766 case 22050: 767 fs = DA7210_PLL_FS_22050; 768 bypass = 0; 769 break; 770 case 32000: 771 fs = DA7210_PLL_FS_32000; 772 bypass = DA7210_PLL_BYP; 773 break; 774 case 44100: 775 fs = DA7210_PLL_FS_44100; 776 bypass = 0; 777 break; 778 case 48000: 779 fs = DA7210_PLL_FS_48000; 780 bypass = DA7210_PLL_BYP; 781 break; 782 case 88200: 783 fs = DA7210_PLL_FS_88200; 784 bypass = 0; 785 break; 786 case 96000: 787 fs = DA7210_PLL_FS_96000; 788 bypass = DA7210_PLL_BYP; 789 break; 790 default: 791 return -EINVAL; 792 } 793 794 /* Disable active mode */ 795 snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN, 0); 796 797 snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs); 798 snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP, bypass); 799 800 /* Enable active mode */ 801 snd_soc_update_bits(codec, DA7210_STARTUP1, 802 DA7210_SC_MST_EN, DA7210_SC_MST_EN); 803 804 return 0; 805 } 806 807 /* 808 * Set DAI mode and Format 809 */ 810 static int da7210_set_dai_fmt(struct snd_soc_dai *codec_dai, u32 fmt) 811 { 812 struct snd_soc_codec *codec = codec_dai->codec; 813 u32 dai_cfg1; 814 u32 dai_cfg3; 815 816 dai_cfg1 = 0x7f & snd_soc_read(codec, DA7210_DAI_CFG1); 817 dai_cfg3 = 0xfc & snd_soc_read(codec, DA7210_DAI_CFG3); 818 819 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 820 case SND_SOC_DAIFMT_CBM_CFM: 821 dai_cfg1 |= DA7210_DAI_MODE_MASTER; 822 break; 823 case SND_SOC_DAIFMT_CBS_CFS: 824 dai_cfg1 |= DA7210_DAI_MODE_SLAVE; 825 break; 826 default: 827 return -EINVAL; 828 } 829 830 /* FIXME 831 * 832 * It support I2S only now 833 */ 834 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 835 case SND_SOC_DAIFMT_I2S: 836 dai_cfg3 |= DA7210_DAI_FORMAT_I2SMODE; 837 break; 838 case SND_SOC_DAIFMT_LEFT_J: 839 dai_cfg3 |= DA7210_DAI_FORMAT_LEFT_J; 840 break; 841 case SND_SOC_DAIFMT_RIGHT_J: 842 dai_cfg3 |= DA7210_DAI_FORMAT_RIGHT_J; 843 break; 844 default: 845 return -EINVAL; 846 } 847 848 /* FIXME 849 * 850 * It support 64bit data transmission only now 851 */ 852 dai_cfg1 |= DA7210_DAI_FLEN_64BIT; 853 854 snd_soc_write(codec, DA7210_DAI_CFG1, dai_cfg1); 855 snd_soc_write(codec, DA7210_DAI_CFG3, dai_cfg3); 856 857 return 0; 858 } 859 860 static int da7210_mute(struct snd_soc_dai *dai, int mute) 861 { 862 struct snd_soc_codec *codec = dai->codec; 863 u8 mute_reg = snd_soc_read(codec, DA7210_DAC_HPF) & 0xFB; 864 865 if (mute) 866 snd_soc_write(codec, DA7210_DAC_HPF, mute_reg | 0x4); 867 else 868 snd_soc_write(codec, DA7210_DAC_HPF, mute_reg); 869 return 0; 870 } 871 872 #define DA7210_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 873 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 874 875 /* DAI operations */ 876 static const struct snd_soc_dai_ops da7210_dai_ops = { 877 .hw_params = da7210_hw_params, 878 .set_fmt = da7210_set_dai_fmt, 879 .digital_mute = da7210_mute, 880 }; 881 882 static struct snd_soc_dai_driver da7210_dai = { 883 .name = "da7210-hifi", 884 /* playback capabilities */ 885 .playback = { 886 .stream_name = "Playback", 887 .channels_min = 1, 888 .channels_max = 2, 889 .rates = SNDRV_PCM_RATE_8000_96000, 890 .formats = DA7210_FORMATS, 891 }, 892 /* capture capabilities */ 893 .capture = { 894 .stream_name = "Capture", 895 .channels_min = 1, 896 .channels_max = 2, 897 .rates = SNDRV_PCM_RATE_8000_96000, 898 .formats = DA7210_FORMATS, 899 }, 900 .ops = &da7210_dai_ops, 901 .symmetric_rates = 1, 902 }; 903 904 static int da7210_probe(struct snd_soc_codec *codec) 905 { 906 struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec); 907 int ret; 908 909 dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION); 910 911 codec->control_data = da7210->regmap; 912 ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP); 913 if (ret < 0) { 914 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 915 return ret; 916 } 917 918 /* FIXME 919 * 920 * This driver use fixed value here 921 * And below settings expects MCLK = 12.288MHz 922 * 923 * When you select different MCLK, please check... 924 * DA7210_PLL_DIV1 val 925 * DA7210_PLL_DIV2 val 926 * DA7210_PLL_DIV3 val 927 * DA7210_PLL_DIV3 :: DA7210_MCLK_RANGExxx 928 */ 929 930 /* 931 * make sure that DA7210 use bypass mode before start up 932 */ 933 snd_soc_write(codec, DA7210_STARTUP1, 0); 934 snd_soc_write(codec, DA7210_PLL_DIV3, 935 DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP); 936 937 /* 938 * ADC settings 939 */ 940 941 /* Enable Left & Right MIC PGA and Mic Bias */ 942 snd_soc_write(codec, DA7210_MIC_L, DA7210_MIC_L_EN | DA7210_MICBIAS_EN); 943 snd_soc_write(codec, DA7210_MIC_R, DA7210_MIC_R_EN); 944 945 /* Enable Left and Right input PGA */ 946 snd_soc_write(codec, DA7210_INMIX_L, DA7210_IN_L_EN); 947 snd_soc_write(codec, DA7210_INMIX_R, DA7210_IN_R_EN); 948 949 /* Enable Left and Right ADC */ 950 snd_soc_write(codec, DA7210_ADC, DA7210_ADC_L_EN | DA7210_ADC_R_EN); 951 952 /* 953 * DAC settings 954 */ 955 956 /* Enable Left and Right DAC */ 957 snd_soc_write(codec, DA7210_DAC_SEL, 958 DA7210_DAC_L_SRC_DAI_L | DA7210_DAC_L_EN | 959 DA7210_DAC_R_SRC_DAI_R | DA7210_DAC_R_EN); 960 961 /* Enable Left and Right out PGA */ 962 snd_soc_write(codec, DA7210_OUTMIX_L, DA7210_OUT_L_EN); 963 snd_soc_write(codec, DA7210_OUTMIX_R, DA7210_OUT_R_EN); 964 965 /* Enable Left and Right HeadPhone PGA */ 966 snd_soc_write(codec, DA7210_HP_CFG, 967 DA7210_HP_2CAP_MODE | DA7210_HP_SENSE_EN | 968 DA7210_HP_L_EN | DA7210_HP_MODE | DA7210_HP_R_EN); 969 970 /* Enable ramp mode for DAC gain update */ 971 snd_soc_write(codec, DA7210_SOFTMUTE, DA7210_RAMP_EN); 972 973 /* 974 * For DA7210 codec, there are two ways to enable/disable analog IOs 975 * and ADC/DAC, 976 * (1) Using "Enable Bit" of register associated with that IO 977 * (or ADC/DAC) 978 * e.g. Mic Left can be enabled using bit 7 of MIC_L(0x7) reg 979 * 980 * (2) Using "Standby Bit" of STARTUP2 or STARTUP3 register 981 * e.g. Mic left can be put to STANDBY using bit 0 of STARTUP3(0x5) 982 * 983 * Out of these two methods, the one using STANDBY bits is preferred 984 * way to enable/disable individual blocks. This is because STANDBY 985 * registers are part of system controller which allows system power 986 * up/down in a controlled, pop-free manner. Also, as per application 987 * note of DA7210, STANDBY register bits are only effective if a 988 * particular IO (or ADC/DAC) is already enabled using enable/disable 989 * register bits. Keeping these things in mind, current DAPM 990 * implementation manipulates only STANDBY bits. 991 * 992 * Overall implementation can be outlined as below, 993 * 994 * - "Enable bit" of an IO or ADC/DAC is used to enable it in probe() 995 * - "STANDBY bit" is controlled by DAPM 996 */ 997 998 /* Enable Line out amplifiers */ 999 snd_soc_write(codec, DA7210_OUT1_L, DA7210_OUT1_L_EN); 1000 snd_soc_write(codec, DA7210_OUT1_R, DA7210_OUT1_R_EN); 1001 snd_soc_write(codec, DA7210_OUT2, DA7210_OUT2_EN | 1002 DA7210_OUT2_OUTMIX_L | DA7210_OUT2_OUTMIX_R); 1003 1004 /* Enable Aux1 */ 1005 snd_soc_write(codec, DA7210_AUX1_L, DA7210_AUX1_L_EN); 1006 snd_soc_write(codec, DA7210_AUX1_R, DA7210_AUX1_R_EN); 1007 /* Enable Aux2 */ 1008 snd_soc_write(codec, DA7210_AUX2, DA7210_AUX2_EN); 1009 1010 /* Diable PLL and bypass it */ 1011 snd_soc_write(codec, DA7210_PLL, DA7210_PLL_FS_48000); 1012 1013 /* 1014 * If 48kHz sound came, it use bypass mode, 1015 * and when it is 44.1kHz, it use PLL. 1016 * 1017 * This time, this driver sets PLL always ON 1018 * and controls bypass/PLL mode by switching 1019 * DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit. 1020 * see da7210_hw_params 1021 */ 1022 snd_soc_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */ 1023 snd_soc_write(codec, DA7210_PLL_DIV2, 0x99); 1024 snd_soc_write(codec, DA7210_PLL_DIV3, 0x0A | 1025 DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP); 1026 snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN); 1027 1028 /* As suggested by Dialog */ 1029 /* unlock */ 1030 regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x8B); 1031 regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0xB4); 1032 regmap_write(da7210->regmap, DA7210_A_PLL1, 0x01); 1033 regmap_write(da7210->regmap, DA7210_A_CP_MODE, 0x7C); 1034 /* re-lock */ 1035 regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x00); 1036 regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0x00); 1037 1038 /* Activate all enabled subsystem */ 1039 snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN); 1040 1041 dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION); 1042 1043 return 0; 1044 } 1045 1046 static struct snd_soc_codec_driver soc_codec_dev_da7210 = { 1047 .probe = da7210_probe, 1048 1049 .controls = da7210_snd_controls, 1050 .num_controls = ARRAY_SIZE(da7210_snd_controls), 1051 1052 .dapm_widgets = da7210_dapm_widgets, 1053 .num_dapm_widgets = ARRAY_SIZE(da7210_dapm_widgets), 1054 .dapm_routes = da7210_audio_map, 1055 .num_dapm_routes = ARRAY_SIZE(da7210_audio_map), 1056 }; 1057 1058 static struct regmap_config da7210_regmap = { 1059 .reg_bits = 8, 1060 .val_bits = 8, 1061 1062 .reg_defaults = da7210_reg_defaults, 1063 .num_reg_defaults = ARRAY_SIZE(da7210_reg_defaults), 1064 .volatile_reg = da7210_volatile_register, 1065 .readable_reg = da7210_readable_register, 1066 .cache_type = REGCACHE_RBTREE, 1067 }; 1068 1069 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 1070 static int __devinit da7210_i2c_probe(struct i2c_client *i2c, 1071 const struct i2c_device_id *id) 1072 { 1073 struct da7210_priv *da7210; 1074 int ret; 1075 1076 da7210 = devm_kzalloc(&i2c->dev, sizeof(struct da7210_priv), 1077 GFP_KERNEL); 1078 if (!da7210) 1079 return -ENOMEM; 1080 1081 i2c_set_clientdata(i2c, da7210); 1082 1083 da7210->regmap = regmap_init_i2c(i2c, &da7210_regmap); 1084 if (IS_ERR(da7210->regmap)) { 1085 ret = PTR_ERR(da7210->regmap); 1086 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); 1087 return ret; 1088 } 1089 1090 ret = snd_soc_register_codec(&i2c->dev, 1091 &soc_codec_dev_da7210, &da7210_dai, 1); 1092 if (ret < 0) { 1093 dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); 1094 goto err_regmap; 1095 } 1096 return ret; 1097 1098 err_regmap: 1099 regmap_exit(da7210->regmap); 1100 1101 return ret; 1102 } 1103 1104 static int __devexit da7210_i2c_remove(struct i2c_client *client) 1105 { 1106 struct da7210_priv *da7210 = i2c_get_clientdata(client); 1107 1108 snd_soc_unregister_codec(&client->dev); 1109 regmap_exit(da7210->regmap); 1110 return 0; 1111 } 1112 1113 static const struct i2c_device_id da7210_i2c_id[] = { 1114 { "da7210", 0 }, 1115 { } 1116 }; 1117 MODULE_DEVICE_TABLE(i2c, da7210_i2c_id); 1118 1119 /* I2C codec control layer */ 1120 static struct i2c_driver da7210_i2c_driver = { 1121 .driver = { 1122 .name = "da7210-codec", 1123 .owner = THIS_MODULE, 1124 }, 1125 .probe = da7210_i2c_probe, 1126 .remove = __devexit_p(da7210_i2c_remove), 1127 .id_table = da7210_i2c_id, 1128 }; 1129 #endif 1130 1131 static int __init da7210_modinit(void) 1132 { 1133 int ret = 0; 1134 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 1135 ret = i2c_add_driver(&da7210_i2c_driver); 1136 #endif 1137 return ret; 1138 } 1139 module_init(da7210_modinit); 1140 1141 static void __exit da7210_exit(void) 1142 { 1143 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 1144 i2c_del_driver(&da7210_i2c_driver); 1145 #endif 1146 } 1147 module_exit(da7210_exit); 1148 1149 MODULE_DESCRIPTION("ASoC DA7210 driver"); 1150 MODULE_AUTHOR("David Chen, Kuninori Morimoto"); 1151 MODULE_LICENSE("GPL"); 1152