1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // es8326.c -- es8326 ALSA SoC audio driver 4 // Copyright Everest Semiconductor Co., Ltd 5 // 6 // Authors: David Yang <yangxiaohua@everest-semi.com> 7 // 8 9 #include <linux/clk.h> 10 #include <linux/i2c.h> 11 #include <linux/interrupt.h> 12 #include <linux/irq.h> 13 #include <linux/module.h> 14 #include <sound/jack.h> 15 #include <sound/pcm_params.h> 16 #include <sound/soc.h> 17 #include <sound/soc-dapm.h> 18 #include <sound/tlv.h> 19 #include "es8326.h" 20 21 struct es8326_priv { 22 struct clk *mclk; 23 struct i2c_client *i2c; 24 struct regmap *regmap; 25 struct snd_soc_component *component; 26 struct delayed_work jack_detect_work; 27 struct delayed_work button_press_work; 28 struct snd_soc_jack *jack; 29 int irq; 30 /* The lock protects the situation that an irq is generated 31 * while enabling or disabling or during an irq. 32 */ 33 struct mutex lock; 34 u8 jack_pol; 35 u8 interrupt_src; 36 u8 interrupt_clk; 37 u8 hpl_vol; 38 u8 hpr_vol; 39 bool jd_inverted; 40 unsigned int sysclk; 41 42 bool calibrated; 43 int version; 44 int hp; 45 int jack_remove_retry; 46 }; 47 48 static int es8326_crosstalk1_get(struct snd_kcontrol *kcontrol, 49 struct snd_ctl_elem_value *ucontrol) 50 { 51 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 52 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 53 unsigned int crosstalk_h, crosstalk_l; 54 unsigned int crosstalk; 55 56 regmap_read(es8326->regmap, ES8326_DAC_RAMPRATE, &crosstalk_h); 57 regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); 58 crosstalk_h &= 0x20; 59 crosstalk_l &= 0xf0; 60 crosstalk = crosstalk_h >> 1 | crosstalk_l >> 4; 61 ucontrol->value.integer.value[0] = crosstalk; 62 63 return 0; 64 } 65 66 static int es8326_crosstalk1_set(struct snd_kcontrol *kcontrol, 67 struct snd_ctl_elem_value *ucontrol) 68 { 69 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 70 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 71 unsigned int crosstalk_h, crosstalk_l; 72 unsigned int crosstalk; 73 74 crosstalk = ucontrol->value.integer.value[0]; 75 regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); 76 crosstalk_h = (crosstalk & 0x10) << 1; 77 crosstalk_l &= 0x0f; 78 crosstalk_l |= (crosstalk & 0x0f) << 4; 79 regmap_update_bits(es8326->regmap, ES8326_DAC_RAMPRATE, 80 0x20, crosstalk_h); 81 regmap_write(es8326->regmap, ES8326_DAC_CROSSTALK, crosstalk_l); 82 83 return 0; 84 } 85 86 static int es8326_crosstalk2_get(struct snd_kcontrol *kcontrol, 87 struct snd_ctl_elem_value *ucontrol) 88 { 89 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 90 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 91 unsigned int crosstalk_h, crosstalk_l; 92 unsigned int crosstalk; 93 94 regmap_read(es8326->regmap, ES8326_DAC_RAMPRATE, &crosstalk_h); 95 regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); 96 crosstalk_h &= 0x10; 97 crosstalk_l &= 0x0f; 98 crosstalk = crosstalk_h | crosstalk_l; 99 ucontrol->value.integer.value[0] = crosstalk; 100 101 return 0; 102 } 103 104 static int es8326_crosstalk2_set(struct snd_kcontrol *kcontrol, 105 struct snd_ctl_elem_value *ucontrol) 106 { 107 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 108 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 109 unsigned int crosstalk_h, crosstalk_l; 110 unsigned int crosstalk; 111 112 crosstalk = ucontrol->value.integer.value[0]; 113 regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); 114 crosstalk_h = crosstalk & 0x10; 115 crosstalk_l &= 0xf0; 116 crosstalk_l |= crosstalk & 0x0f; 117 regmap_update_bits(es8326->regmap, ES8326_DAC_RAMPRATE, 118 0x10, crosstalk_h); 119 regmap_write(es8326->regmap, ES8326_DAC_CROSSTALK, crosstalk_l); 120 121 return 0; 122 } 123 124 static int es8326_hplvol_get(struct snd_kcontrol *kcontrol, 125 struct snd_ctl_elem_value *ucontrol) 126 { 127 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 128 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 129 130 ucontrol->value.integer.value[0] = es8326->hpl_vol; 131 132 return 0; 133 } 134 135 static int es8326_hplvol_set(struct snd_kcontrol *kcontrol, 136 struct snd_ctl_elem_value *ucontrol) 137 { 138 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 139 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 140 unsigned int hp_vol; 141 142 hp_vol = ucontrol->value.integer.value[0]; 143 if (hp_vol > 5) 144 return -EINVAL; 145 if (es8326->hpl_vol != hp_vol) { 146 es8326->hpl_vol = hp_vol; 147 if (hp_vol >= 3) 148 hp_vol++; 149 regmap_update_bits(es8326->regmap, ES8326_HP_VOL, 150 0x70, (hp_vol << 4)); 151 return 1; 152 } 153 154 return 0; 155 } 156 157 static int es8326_hprvol_get(struct snd_kcontrol *kcontrol, 158 struct snd_ctl_elem_value *ucontrol) 159 { 160 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 161 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 162 163 ucontrol->value.integer.value[0] = es8326->hpr_vol; 164 165 return 0; 166 } 167 168 static int es8326_hprvol_set(struct snd_kcontrol *kcontrol, 169 struct snd_ctl_elem_value *ucontrol) 170 { 171 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 172 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 173 unsigned int hp_vol; 174 175 hp_vol = ucontrol->value.integer.value[0]; 176 if (hp_vol > 5) 177 return -EINVAL; 178 if (es8326->hpr_vol != hp_vol) { 179 es8326->hpr_vol = hp_vol; 180 if (hp_vol >= 3) 181 hp_vol++; 182 regmap_update_bits(es8326->regmap, ES8326_HP_VOL, 183 0x07, hp_vol); 184 return 1; 185 } 186 187 return 0; 188 } 189 190 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9550, 50, 0); 191 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9550, 50, 0); 192 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_analog_pga_tlv, 0, 300, 0); 193 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_pga_tlv, 0, 600, 0); 194 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(softramp_rate, 0, 100, 0); 195 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_target_tlv, -3200, 200, 0); 196 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_recovery_tlv, -125, 250, 0); 197 198 static const char *const winsize[] = { 199 "0.25db/2 LRCK", 200 "0.25db/4 LRCK", 201 "0.25db/8 LRCK", 202 "0.25db/16 LRCK", 203 "0.25db/32 LRCK", 204 "0.25db/64 LRCK", 205 "0.25db/128 LRCK", 206 "0.25db/256 LRCK", 207 "0.25db/512 LRCK", 208 "0.25db/1024 LRCK", 209 "0.25db/2048 LRCK", 210 "0.25db/4096 LRCK", 211 "0.25db/8192 LRCK", 212 "0.25db/16384 LRCK", 213 "0.25db/32768 LRCK", 214 "0.25db/65536 LRCK", 215 }; 216 217 static const char *const dacpol_txt[] = { 218 "Normal", "R Invert", "L Invert", "L + R Invert" }; 219 220 static const char *const hp_spkvol_switch[] = { 221 "HPVOL: HPL+HPL, SPKVOL: HPL+HPL", 222 "HPVOL: HPL+HPR, SPKVOL: HPL+HPR", 223 "HPVOL: HPL+HPL, SPKVOL: SPKL+SPKR", 224 "HPVOL: HPL+HPR, SPKVOL: SPKL+SPKR", 225 }; 226 227 static const struct soc_enum dacpol = 228 SOC_ENUM_SINGLE(ES8326_DAC_DSM, 4, 4, dacpol_txt); 229 static const struct soc_enum alc_winsize = 230 SOC_ENUM_SINGLE(ES8326_ADC_RAMPRATE, 4, 16, winsize); 231 static const struct soc_enum drc_winsize = 232 SOC_ENUM_SINGLE(ES8326_DRC_WINSIZE, 4, 16, winsize); 233 static const struct soc_enum hpvol_spkvol_switch = 234 SOC_ENUM_SINGLE(ES8326_HP_MISC, 6, 4, hp_spkvol_switch); 235 236 static const struct snd_kcontrol_new es8326_snd_controls[] = { 237 SOC_SINGLE_TLV("DAC Playback Volume", ES8326_DACL_VOL, 0, 0xbf, 0, dac_vol_tlv), 238 SOC_ENUM("Playback Polarity", dacpol), 239 SOC_SINGLE_TLV("DAC Ramp Rate", ES8326_DAC_RAMPRATE, 0, 0x0f, 0, softramp_rate), 240 SOC_SINGLE_TLV("DRC Recovery Level", ES8326_DRC_RECOVERY, 0, 4, 0, drc_recovery_tlv), 241 SOC_ENUM("DRC Winsize", drc_winsize), 242 SOC_SINGLE_TLV("DRC Target Level", ES8326_DRC_WINSIZE, 0, 0x0f, 0, drc_target_tlv), 243 244 SOC_DOUBLE_R_TLV("ADC Capture Volume", ES8326_ADC1_VOL, ES8326_ADC2_VOL, 0, 0xff, 0, 245 adc_vol_tlv), 246 SOC_DOUBLE_TLV("ADC PGA Volume", ES8326_ADC_SCALE, 4, 0, 5, 0, adc_pga_tlv), 247 SOC_SINGLE_TLV("ADC PGA Gain Volume", ES8326_PGAGAIN, 0, 10, 0, adc_analog_pga_tlv), 248 SOC_SINGLE_TLV("ADC Ramp Rate", ES8326_ADC_RAMPRATE, 0, 0x0f, 0, softramp_rate), 249 SOC_SINGLE("ALC Capture Switch", ES8326_ALC_RECOVERY, 3, 1, 0), 250 SOC_SINGLE_TLV("ALC Capture Recovery Level", ES8326_ALC_LEVEL, 251 0, 4, 0, drc_recovery_tlv), 252 SOC_ENUM("ALC Capture Winsize", alc_winsize), 253 SOC_SINGLE_TLV("ALC Capture Target Level", ES8326_ALC_LEVEL, 254 0, 0x0f, 0, drc_target_tlv), 255 256 SOC_SINGLE_EXT("CROSSTALK1", SND_SOC_NOPM, 0, 31, 0, 257 es8326_crosstalk1_get, es8326_crosstalk1_set), 258 SOC_SINGLE_EXT("CROSSTALK2", SND_SOC_NOPM, 0, 31, 0, 259 es8326_crosstalk2_get, es8326_crosstalk2_set), 260 SOC_SINGLE_EXT("HPL Volume", SND_SOC_NOPM, 0, 5, 0, 261 es8326_hplvol_get, es8326_hplvol_set), 262 SOC_SINGLE_EXT("HPR Volume", SND_SOC_NOPM, 0, 5, 0, 263 es8326_hprvol_get, es8326_hprvol_set), 264 265 SOC_SINGLE_TLV("HPL Playback Volume", ES8326_DACL_VOL, 0, 0xbf, 0, dac_vol_tlv), 266 SOC_SINGLE_TLV("HPR Playback Volume", ES8326_DACR_VOL, 0, 0xbf, 0, dac_vol_tlv), 267 SOC_SINGLE_TLV("SPKL Playback Volume", ES8326_SPKL_VOL, 0, 0xbf, 0, dac_vol_tlv), 268 SOC_SINGLE_TLV("SPKR Playback Volume", ES8326_SPKR_VOL, 0, 0xbf, 0, dac_vol_tlv), 269 270 SOC_ENUM("HPVol SPKVol Switch", hpvol_spkvol_switch), 271 }; 272 273 static const struct snd_soc_dapm_widget es8326_dapm_widgets[] = { 274 SND_SOC_DAPM_INPUT("MIC1"), 275 SND_SOC_DAPM_INPUT("MIC2"), 276 SND_SOC_DAPM_INPUT("MIC3"), 277 SND_SOC_DAPM_INPUT("MIC4"), 278 279 SND_SOC_DAPM_ADC("ADC L", NULL, SND_SOC_NOPM, 0, 0), 280 SND_SOC_DAPM_ADC("ADC R", NULL, SND_SOC_NOPM, 0, 0), 281 282 /* Digital Interface */ 283 SND_SOC_DAPM_AIF_OUT("I2S OUT", "I2S1 Capture", 0, SND_SOC_NOPM, 0, 0), 284 SND_SOC_DAPM_AIF_IN("I2S IN", "I2S1 Playback", 0, SND_SOC_NOPM, 0, 0), 285 286 /* Analog Power Supply*/ 287 SND_SOC_DAPM_DAC("Right DAC", NULL, ES8326_ANA_PDN, 0, 1), 288 SND_SOC_DAPM_DAC("Left DAC", NULL, ES8326_ANA_PDN, 1, 1), 289 SND_SOC_DAPM_SUPPLY("MICBIAS1", ES8326_ANA_MICBIAS, 2, 0, NULL, 0), 290 SND_SOC_DAPM_SUPPLY("MICBIAS2", ES8326_ANA_MICBIAS, 3, 0, NULL, 0), 291 292 SND_SOC_DAPM_PGA("LHPMIX", ES8326_DAC2HPMIX, 7, 0, NULL, 0), 293 SND_SOC_DAPM_PGA("RHPMIX", ES8326_DAC2HPMIX, 3, 0, NULL, 0), 294 295 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOR Supply", ES8326_HP_CAL, 296 4, 7, 0, 0), 297 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOL Supply", ES8326_HP_CAL, 298 0, 7, 0, 0), 299 300 SND_SOC_DAPM_OUTPUT("HPOL"), 301 SND_SOC_DAPM_OUTPUT("HPOR"), 302 }; 303 304 static const struct snd_soc_dapm_route es8326_dapm_routes[] = { 305 {"ADC L", NULL, "MIC1"}, 306 {"ADC R", NULL, "MIC2"}, 307 {"ADC L", NULL, "MIC3"}, 308 {"ADC R", NULL, "MIC4"}, 309 310 {"I2S OUT", NULL, "ADC L"}, 311 {"I2S OUT", NULL, "ADC R"}, 312 313 {"Right DAC", NULL, "I2S IN"}, 314 {"Left DAC", NULL, "I2S IN"}, 315 316 {"LHPMIX", NULL, "Left DAC"}, 317 {"RHPMIX", NULL, "Right DAC"}, 318 319 {"HPOR", NULL, "HPOR Supply"}, 320 {"HPOL", NULL, "HPOL Supply"}, 321 322 {"HPOL", NULL, "LHPMIX"}, 323 {"HPOR", NULL, "RHPMIX"}, 324 }; 325 326 static bool es8326_volatile_register(struct device *dev, unsigned int reg) 327 { 328 switch (reg) { 329 case ES8326_HPL_OFFSET_INI: 330 case ES8326_HPR_OFFSET_INI: 331 case ES8326_HPDET_STA: 332 case ES8326_CTIA_OMTP_STA: 333 case ES8326_CSM_MUTE_STA: 334 return true; 335 default: 336 return false; 337 } 338 } 339 340 static const struct regmap_config es8326_regmap_config = { 341 .reg_bits = 8, 342 .val_bits = 8, 343 .max_register = 0xff, 344 .volatile_reg = es8326_volatile_register, 345 .cache_type = REGCACHE_RBTREE, 346 }; 347 348 struct _coeff_div { 349 u16 fs; 350 u32 rate; 351 u32 mclk; 352 u8 reg4; 353 u8 reg5; 354 u8 reg6; 355 u8 reg7; 356 u8 reg8; 357 u8 reg9; 358 u8 rega; 359 u8 regb; 360 }; 361 362 /* codec hifi mclk clock divider coefficients */ 363 /* {ratio, LRCK, MCLK, REG04, REG05, REG06, REG07, REG08, REG09, REG10, REG11} */ 364 static const struct _coeff_div coeff_div_v0[] = { 365 {64, 8000, 512000, 0x60, 0x01, 0x0F, 0x75, 0x0A, 0x1B, 0x1F, 0x7F}, 366 {64, 16000, 1024000, 0x20, 0x00, 0x33, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, 367 {64, 44100, 2822400, 0xE0, 0x00, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 368 {64, 48000, 3072000, 0xE0, 0x00, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 369 {128, 8000, 1024000, 0x60, 0x00, 0x33, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, 370 {128, 16000, 2048000, 0x20, 0x00, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, 371 {128, 44100, 5644800, 0xE0, 0x01, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 372 {128, 48000, 6144000, 0xE0, 0x01, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 373 374 {192, 32000, 6144000, 0xE0, 0x02, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 375 {256, 8000, 2048000, 0x60, 0x00, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, 376 {256, 16000, 4096000, 0x20, 0x01, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, 377 {256, 44100, 11289600, 0xE0, 0x00, 0x30, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 378 {256, 48000, 12288000, 0xE0, 0x00, 0x30, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 379 {384, 32000, 12288000, 0xE0, 0x05, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 380 {400, 48000, 19200000, 0xE9, 0x04, 0x0F, 0x6d, 0x4A, 0x0A, 0x1F, 0x1F}, 381 382 {500, 48000, 24000000, 0xF8, 0x04, 0x3F, 0x6D, 0x4A, 0x0A, 0x1F, 0x1F}, 383 {512, 8000, 4096000, 0x60, 0x01, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, 384 {512, 16000, 8192000, 0x20, 0x00, 0x30, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, 385 {512, 44100, 22579200, 0xE0, 0x00, 0x00, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 386 {512, 48000, 24576000, 0xE0, 0x00, 0x00, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 387 {768, 32000, 24576000, 0xE0, 0x02, 0x30, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, 388 {1024, 8000, 8192000, 0x60, 0x00, 0x30, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, 389 {1024, 16000, 16384000, 0x20, 0x00, 0x00, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, 390 }; 391 392 static const struct _coeff_div coeff_div_v3[] = { 393 {32, 8000, 256000, 0x60, 0x00, 0x0F, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, 394 {32, 16000, 512000, 0x20, 0x00, 0x0D, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, 395 {32, 44100, 1411200, 0x00, 0x00, 0x13, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, 396 {32, 48000, 1536000, 0x00, 0x00, 0x13, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, 397 {36, 8000, 288000, 0x20, 0x00, 0x0D, 0x75, 0x8A, 0x1B, 0x23, 0x47}, 398 {36, 16000, 576000, 0x20, 0x00, 0x0D, 0x75, 0x8A, 0x1B, 0x23, 0x47}, 399 {48, 8000, 384000, 0x60, 0x02, 0x1F, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, 400 {48, 16000, 768000, 0x20, 0x02, 0x0F, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, 401 {48, 48000, 2304000, 0x00, 0x02, 0x0D, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, 402 403 {64, 8000, 512000, 0x60, 0x00, 0x35, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, 404 {64, 16000, 1024000, 0x20, 0x00, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, 405 {64, 44100, 2822400, 0xE0, 0x00, 0x31, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, 406 {64, 48000, 3072000, 0xE0, 0x00, 0x31, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, 407 {72, 8000, 576000, 0x20, 0x00, 0x13, 0x35, 0x8A, 0x1B, 0x23, 0x47}, 408 {72, 16000, 1152000, 0x20, 0x00, 0x05, 0x75, 0x8A, 0x1B, 0x23, 0x47}, 409 {96, 8000, 768000, 0x60, 0x02, 0x1D, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, 410 {96, 16000, 1536000, 0x20, 0x02, 0x0D, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, 411 {100, 48000, 4800000, 0x04, 0x04, 0x3F, 0x6D, 0xB8, 0x08, 0x4f, 0x1f}, 412 {125, 48000, 6000000, 0x04, 0x04, 0x1F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, 413 414 {128, 8000, 1024000, 0x60, 0x00, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, 415 {128, 16000, 2048000, 0x20, 0x00, 0x31, 0x35, 0x08, 0x19, 0x1F, 0x3F}, 416 {128, 44100, 5644800, 0xE0, 0x00, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F}, 417 {128, 48000, 6144000, 0xE0, 0x00, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F}, 418 {144, 8000, 1152000, 0x20, 0x00, 0x03, 0x35, 0x8A, 0x1B, 0x23, 0x47}, 419 {144, 16000, 2304000, 0x20, 0x00, 0x11, 0x35, 0x8A, 0x1B, 0x23, 0x47}, 420 {192, 8000, 1536000, 0x60, 0x02, 0x0D, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, 421 {192, 32000, 6144000, 0xE0, 0x02, 0x31, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, 422 {192, 16000, 3072000, 0x20, 0x02, 0x05, 0x75, 0xCA, 0x1B, 0x1F, 0x3F}, 423 424 {200, 48000, 9600000, 0x04, 0x04, 0x0F, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, 425 {250, 48000, 12000000, 0x04, 0x04, 0x0F, 0x2D, 0xCA, 0x0A, 0x27, 0x27}, 426 {256, 8000, 2048000, 0x60, 0x00, 0x31, 0x35, 0x08, 0x19, 0x1F, 0x7F}, 427 {256, 16000, 4096000, 0x20, 0x00, 0x01, 0x35, 0x08, 0x19, 0x1F, 0x3F}, 428 {256, 44100, 11289600, 0xE0, 0x01, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F}, 429 {256, 48000, 12288000, 0xE0, 0x01, 0x01, 0x2D, 0x48, 0x08, 0x1F, 0x1F}, 430 {288, 8000, 2304000, 0x20, 0x00, 0x01, 0x35, 0x8A, 0x1B, 0x23, 0x47}, 431 {384, 8000, 3072000, 0x60, 0x02, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, 432 {384, 16000, 6144000, 0x20, 0x02, 0x03, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, 433 {384, 32000, 12288000, 0xE0, 0x02, 0x01, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, 434 {384, 48000, 18432000, 0x00, 0x02, 0x01, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, 435 436 {400, 48000, 19200000, 0xE4, 0x04, 0x35, 0x6d, 0xCA, 0x0A, 0x1F, 0x1F}, 437 {500, 48000, 24000000, 0xF8, 0x04, 0x3F, 0x6D, 0xCA, 0x0A, 0x1F, 0x1F}, 438 {512, 8000, 4096000, 0x60, 0x00, 0x01, 0x08, 0x19, 0x1B, 0x1F, 0x7F}, 439 {512, 16000, 8192000, 0x20, 0x00, 0x30, 0x35, 0x08, 0x19, 0x1F, 0x3F}, 440 {512, 44100, 22579200, 0xE0, 0x00, 0x00, 0x2D, 0x48, 0x08, 0x1F, 0x1F}, 441 {512, 48000, 24576000, 0xE0, 0x00, 0x00, 0x2D, 0x48, 0x08, 0x1F, 0x1F}, 442 {768, 8000, 6144000, 0x60, 0x02, 0x11, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, 443 {768, 16000, 12288000, 0x20, 0x02, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, 444 {768, 32000, 24576000, 0xE0, 0x02, 0x30, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, 445 {800, 48000, 38400000, 0x00, 0x18, 0x13, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, 446 447 {1024, 8000, 8192000, 0x60, 0x00, 0x30, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, 448 {1024, 16000, 16384000, 0x20, 0x00, 0x00, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, 449 {1152, 16000, 18432000, 0x20, 0x08, 0x11, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, 450 {1536, 8000, 12288000, 0x60, 0x02, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, 451 {1536, 16000, 24576000, 0x20, 0x02, 0x10, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, 452 {1625, 8000, 13000000, 0x0C, 0x18, 0x1F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, 453 {1625, 16000, 26000000, 0x0C, 0x18, 0x1F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, 454 {2048, 8000, 16384000, 0x60, 0x00, 0x00, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, 455 {2304, 8000, 18432000, 0x40, 0x02, 0x10, 0x35, 0x8A, 0x1B, 0x1F, 0x5F}, 456 {3072, 8000, 24576000, 0x60, 0x02, 0x10, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, 457 {3250, 8000, 26000000, 0x0C, 0x18, 0x0F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, 458 }; 459 460 static inline int get_coeff(int mclk, int rate, int array, 461 const struct _coeff_div *coeff_div) 462 { 463 int i; 464 465 for (i = 0; i < array; i++) { 466 if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) 467 return i; 468 } 469 470 return -EINVAL; 471 } 472 473 static int es8326_set_dai_sysclk(struct snd_soc_dai *codec_dai, 474 int clk_id, unsigned int freq, int dir) 475 { 476 struct snd_soc_component *codec = codec_dai->component; 477 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec); 478 479 es8326->sysclk = freq; 480 481 return 0; 482 } 483 484 static int es8326_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 485 { 486 struct snd_soc_component *component = codec_dai->component; 487 u8 iface = 0; 488 489 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 490 case SND_SOC_DAIFMT_CBC_CFP: 491 snd_soc_component_update_bits(component, ES8326_RESET, 492 ES8326_MASTER_MODE_EN, ES8326_MASTER_MODE_EN); 493 break; 494 case SND_SOC_DAIFMT_CBC_CFC: 495 break; 496 default: 497 return -EINVAL; 498 } 499 500 /* interface format */ 501 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 502 case SND_SOC_DAIFMT_I2S: 503 break; 504 case SND_SOC_DAIFMT_RIGHT_J: 505 dev_err(component->dev, "Codec driver does not support right justified\n"); 506 return -EINVAL; 507 case SND_SOC_DAIFMT_LEFT_J: 508 iface |= ES8326_DAIFMT_LEFT_J; 509 break; 510 case SND_SOC_DAIFMT_DSP_A: 511 iface |= ES8326_DAIFMT_DSP_A; 512 break; 513 case SND_SOC_DAIFMT_DSP_B: 514 iface |= ES8326_DAIFMT_DSP_B; 515 break; 516 default: 517 return -EINVAL; 518 } 519 520 snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DAIFMT_MASK, iface); 521 522 return 0; 523 } 524 525 static int es8326_pcm_hw_params(struct snd_pcm_substream *substream, 526 struct snd_pcm_hw_params *params, 527 struct snd_soc_dai *dai) 528 { 529 struct snd_soc_component *component = dai->component; 530 const struct _coeff_div *coeff_div; 531 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 532 u8 srate = 0; 533 int coeff, array; 534 535 if (es8326->version == 0) { 536 coeff_div = coeff_div_v0; 537 array = ARRAY_SIZE(coeff_div_v0); 538 } else { 539 coeff_div = coeff_div_v3; 540 array = ARRAY_SIZE(coeff_div_v3); 541 } 542 coeff = get_coeff(es8326->sysclk, params_rate(params), array, coeff_div); 543 /* bit size */ 544 switch (params_format(params)) { 545 case SNDRV_PCM_FORMAT_S16_LE: 546 srate |= ES8326_S16_LE; 547 break; 548 case SNDRV_PCM_FORMAT_S20_3LE: 549 srate |= ES8326_S20_3_LE; 550 break; 551 case SNDRV_PCM_FORMAT_S18_3LE: 552 srate |= ES8326_S18_LE; 553 break; 554 case SNDRV_PCM_FORMAT_S24_LE: 555 srate |= ES8326_S24_LE; 556 break; 557 case SNDRV_PCM_FORMAT_S32_LE: 558 srate |= ES8326_S32_LE; 559 break; 560 default: 561 return -EINVAL; 562 } 563 564 /* set iface & srate */ 565 snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DATA_LEN_MASK, srate); 566 567 if (coeff >= 0) { 568 regmap_write(es8326->regmap, ES8326_CLK_DIV1, 569 coeff_div[coeff].reg4); 570 regmap_write(es8326->regmap, ES8326_CLK_DIV2, 571 coeff_div[coeff].reg5); 572 regmap_write(es8326->regmap, ES8326_CLK_DLL, 573 coeff_div[coeff].reg6); 574 regmap_write(es8326->regmap, ES8326_CLK_MUX, 575 coeff_div[coeff].reg7); 576 regmap_write(es8326->regmap, ES8326_CLK_ADC_SEL, 577 coeff_div[coeff].reg8); 578 regmap_write(es8326->regmap, ES8326_CLK_DAC_SEL, 579 coeff_div[coeff].reg9); 580 regmap_write(es8326->regmap, ES8326_CLK_ADC_OSR, 581 coeff_div[coeff].rega); 582 regmap_write(es8326->regmap, ES8326_CLK_DAC_OSR, 583 coeff_div[coeff].regb); 584 } else { 585 dev_warn(component->dev, "Clock coefficients do not match"); 586 } 587 588 return 0; 589 } 590 591 static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction) 592 { 593 struct snd_soc_component *component = dai->component; 594 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 595 unsigned int offset_l, offset_r; 596 597 if (mute) { 598 if (direction == SNDRV_PCM_STREAM_PLAYBACK) { 599 regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF); 600 regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, 601 ES8326_MUTE_MASK, ES8326_MUTE); 602 regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 603 0x30, 0x00); 604 } else { 605 regmap_update_bits(es8326->regmap, ES8326_ADC_MUTE, 606 0x0F, 0x0F); 607 } 608 } else { 609 if (!es8326->calibrated) { 610 regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_FORCE_CAL); 611 msleep(30); 612 regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF); 613 regmap_read(es8326->regmap, ES8326_HPL_OFFSET_INI, &offset_l); 614 regmap_read(es8326->regmap, ES8326_HPR_OFFSET_INI, &offset_r); 615 regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, 0x8c); 616 regmap_write(es8326->regmap, ES8326_HPL_OFFSET_INI, offset_l); 617 regmap_write(es8326->regmap, ES8326_HPR_OFFSET_INI, offset_r); 618 es8326->calibrated = true; 619 } 620 if (direction == SNDRV_PCM_STREAM_PLAYBACK) { 621 regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x01); 622 usleep_range(1000, 5000); 623 regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x00); 624 usleep_range(1000, 5000); 625 regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x20); 626 regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x30); 627 regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa1); 628 regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_ON); 629 regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, 630 ES8326_MUTE_MASK, ~(ES8326_MUTE)); 631 } else { 632 msleep(300); 633 regmap_update_bits(es8326->regmap, ES8326_ADC_MUTE, 634 0x0F, 0x00); 635 } 636 } 637 return 0; 638 } 639 640 static int es8326_set_bias_level(struct snd_soc_component *codec, 641 enum snd_soc_bias_level level) 642 { 643 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec); 644 int ret; 645 646 switch (level) { 647 case SND_SOC_BIAS_ON: 648 ret = clk_prepare_enable(es8326->mclk); 649 if (ret) 650 return ret; 651 652 regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x02); 653 usleep_range(5000, 10000); 654 regmap_write(es8326->regmap, ES8326_INTOUT_IO, es8326->interrupt_clk); 655 regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, 656 (ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT)); 657 regmap_write(es8326->regmap, ES8326_PGA_PDN, 0x40); 658 regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x00); 659 regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x20); 660 regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x00); 661 break; 662 case SND_SOC_BIAS_PREPARE: 663 break; 664 case SND_SOC_BIAS_STANDBY: 665 regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b); 666 regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x00); 667 regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT); 668 break; 669 case SND_SOC_BIAS_OFF: 670 clk_disable_unprepare(es8326->mclk); 671 break; 672 } 673 674 return 0; 675 } 676 677 #define es8326_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 678 SNDRV_PCM_FMTBIT_S24_LE) 679 680 static const struct snd_soc_dai_ops es8326_ops = { 681 .hw_params = es8326_pcm_hw_params, 682 .set_fmt = es8326_set_dai_fmt, 683 .set_sysclk = es8326_set_dai_sysclk, 684 .mute_stream = es8326_mute, 685 .no_capture_mute = 0, 686 }; 687 688 static struct snd_soc_dai_driver es8326_dai = { 689 .name = "ES8326 HiFi", 690 .playback = { 691 .stream_name = "Playback", 692 .channels_min = 1, 693 .channels_max = 2, 694 .rates = SNDRV_PCM_RATE_8000_48000, 695 .formats = es8326_FORMATS, 696 }, 697 .capture = { 698 .stream_name = "Capture", 699 .channels_min = 1, 700 .channels_max = 2, 701 .rates = SNDRV_PCM_RATE_8000_48000, 702 .formats = es8326_FORMATS, 703 }, 704 .ops = &es8326_ops, 705 .symmetric_rate = 1, 706 }; 707 708 static void es8326_enable_micbias(struct snd_soc_component *component) 709 { 710 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 711 712 snd_soc_dapm_mutex_lock(dapm); 713 snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS1"); 714 snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS2"); 715 snd_soc_dapm_sync_unlocked(dapm); 716 snd_soc_dapm_mutex_unlock(dapm); 717 } 718 719 static void es8326_disable_micbias(struct snd_soc_component *component) 720 { 721 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 722 723 snd_soc_dapm_mutex_lock(dapm); 724 snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS1"); 725 snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS2"); 726 snd_soc_dapm_sync_unlocked(dapm); 727 snd_soc_dapm_mutex_unlock(dapm); 728 } 729 730 /* 731 * For button detection, set the following in soundcard 732 * snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 733 * snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); 734 * snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); 735 */ 736 static void es8326_jack_button_handler(struct work_struct *work) 737 { 738 struct es8326_priv *es8326 = 739 container_of(work, struct es8326_priv, button_press_work.work); 740 struct snd_soc_component *comp = es8326->component; 741 unsigned int iface; 742 static int button_to_report, press_count; 743 static int prev_button, cur_button; 744 745 if (!(es8326->jack->status & SND_JACK_HEADSET)) /* Jack unplugged */ 746 return; 747 748 mutex_lock(&es8326->lock); 749 iface = snd_soc_component_read(comp, ES8326_HPDET_STA); 750 switch (iface) { 751 case 0x93: 752 /* pause button detected */ 753 cur_button = SND_JACK_BTN_0; 754 break; 755 case 0x6f: 756 case 0x4b: 757 /* button volume up */ 758 cur_button = SND_JACK_BTN_1; 759 break; 760 case 0x27: 761 /* button volume down */ 762 cur_button = SND_JACK_BTN_2; 763 break; 764 case 0x1e: 765 case 0xe2: 766 /* button released or not pressed */ 767 cur_button = 0; 768 break; 769 default: 770 break; 771 } 772 773 if ((prev_button == cur_button) && (cur_button != 0)) { 774 press_count++; 775 if (press_count > 3) { 776 /* report a press every 120ms */ 777 snd_soc_jack_report(es8326->jack, cur_button, 778 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2); 779 press_count = 0; 780 } 781 button_to_report = cur_button; 782 queue_delayed_work(system_wq, &es8326->button_press_work, 783 msecs_to_jiffies(35)); 784 } else if (prev_button != cur_button) { 785 /* mismatch, detect again */ 786 prev_button = cur_button; 787 queue_delayed_work(system_wq, &es8326->button_press_work, 788 msecs_to_jiffies(35)); 789 } else { 790 /* released or no pressed */ 791 if (button_to_report != 0) { 792 snd_soc_jack_report(es8326->jack, button_to_report, 793 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2); 794 snd_soc_jack_report(es8326->jack, 0, 795 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2); 796 button_to_report = 0; 797 } 798 } 799 mutex_unlock(&es8326->lock); 800 } 801 802 static void es8326_jack_detect_handler(struct work_struct *work) 803 { 804 struct es8326_priv *es8326 = 805 container_of(work, struct es8326_priv, jack_detect_work.work); 806 struct snd_soc_component *comp = es8326->component; 807 unsigned int iface; 808 809 mutex_lock(&es8326->lock); 810 iface = snd_soc_component_read(comp, ES8326_HPDET_STA); 811 dev_dbg(comp->dev, "gpio flag %#04x", iface); 812 813 if ((es8326->jack_remove_retry == 1) && (es8326->version != ES8326_VERSION_B)) { 814 if (iface & ES8326_HPINSERT_FLAG) 815 es8326->jack_remove_retry = 2; 816 else 817 es8326->jack_remove_retry = 0; 818 819 dev_dbg(comp->dev, "remove event check, set HPJACK_POL normal, cnt = %d\n", 820 es8326->jack_remove_retry); 821 /* 822 * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event 823 */ 824 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 825 ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ? 826 ~es8326->jack_pol : es8326->jack_pol)); 827 goto exit; 828 } 829 830 if ((iface & ES8326_HPINSERT_FLAG) == 0) { 831 /* Jack unplugged or spurious IRQ */ 832 dev_dbg(comp->dev, "No headset detected\n"); 833 es8326_disable_micbias(es8326->component); 834 if (es8326->jack->status & SND_JACK_HEADPHONE) { 835 dev_dbg(comp->dev, "Report hp remove event\n"); 836 snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET); 837 /* mute adc when mic path switch */ 838 regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x44); 839 regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x66); 840 es8326->hp = 0; 841 } 842 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01); 843 regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x0a); 844 regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x0f, 0x03); 845 regmap_write(es8326->regmap, ES8326_INT_SOURCE, ES8326_INT_SRC_PIN9); 846 /* 847 * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event 848 */ 849 if ((es8326->jack_remove_retry == 0) && (es8326->version != ES8326_VERSION_B)) { 850 es8326->jack_remove_retry = 1; 851 dev_dbg(comp->dev, "remove event check, invert HPJACK_POL, cnt = %d\n", 852 es8326->jack_remove_retry); 853 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 854 ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ? 855 es8326->jack_pol : ~es8326->jack_pol)); 856 857 } else { 858 es8326->jack_remove_retry = 0; 859 } 860 } else if ((iface & ES8326_HPINSERT_FLAG) == ES8326_HPINSERT_FLAG) { 861 es8326->jack_remove_retry = 0; 862 if (es8326->hp == 0) { 863 dev_dbg(comp->dev, "First insert, start OMTP/CTIA type check\n"); 864 /* 865 * set auto-check mode, then restart jack_detect_work after 400ms. 866 * Don't report jack status. 867 */ 868 regmap_write(es8326->regmap, ES8326_INT_SOURCE, 869 (ES8326_INT_SRC_PIN9 | ES8326_INT_SRC_BUTTON)); 870 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01); 871 es8326_enable_micbias(es8326->component); 872 usleep_range(50000, 70000); 873 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); 874 regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x1f); 875 regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x0f, 0x08); 876 queue_delayed_work(system_wq, &es8326->jack_detect_work, 877 msecs_to_jiffies(400)); 878 es8326->hp = 1; 879 goto exit; 880 } 881 if (es8326->jack->status & SND_JACK_HEADSET) { 882 /* detect button */ 883 dev_dbg(comp->dev, "button pressed\n"); 884 queue_delayed_work(system_wq, &es8326->button_press_work, 10); 885 goto exit; 886 } 887 if ((iface & ES8326_HPBUTTON_FLAG) == 0x01) { 888 dev_dbg(comp->dev, "Headphone detected\n"); 889 snd_soc_jack_report(es8326->jack, 890 SND_JACK_HEADPHONE, SND_JACK_HEADSET); 891 } else { 892 dev_dbg(comp->dev, "Headset detected\n"); 893 snd_soc_jack_report(es8326->jack, 894 SND_JACK_HEADSET, SND_JACK_HEADSET); 895 896 regmap_update_bits(es8326->regmap, ES8326_PGA_PDN, 897 0x08, 0x08); 898 regmap_update_bits(es8326->regmap, ES8326_PGAGAIN, 899 0x80, 0x80); 900 regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x00); 901 regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x00); 902 regmap_update_bits(es8326->regmap, ES8326_PGA_PDN, 903 0x08, 0x00); 904 usleep_range(10000, 15000); 905 } 906 } 907 exit: 908 mutex_unlock(&es8326->lock); 909 } 910 911 static irqreturn_t es8326_irq(int irq, void *dev_id) 912 { 913 struct es8326_priv *es8326 = dev_id; 914 915 if (!es8326->jack) 916 goto out; 917 918 if (es8326->jack->status & SND_JACK_HEADSET) 919 queue_delayed_work(system_wq, &es8326->jack_detect_work, 920 msecs_to_jiffies(10)); 921 else 922 queue_delayed_work(system_wq, &es8326->jack_detect_work, 923 msecs_to_jiffies(300)); 924 925 out: 926 return IRQ_HANDLED; 927 } 928 929 static int es8326_calibrate(struct snd_soc_component *component) 930 { 931 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 932 unsigned int reg; 933 unsigned int offset_l, offset_r; 934 935 regmap_read(es8326->regmap, ES8326_CHIP_VERSION, ®); 936 es8326->version = reg; 937 938 if ((es8326->version == ES8326_VERSION_B) && (es8326->calibrated == false)) { 939 dev_dbg(component->dev, "ES8326_VERSION_B, calibrating\n"); 940 regmap_write(es8326->regmap, ES8326_CLK_INV, 0xc0); 941 regmap_write(es8326->regmap, ES8326_CLK_DIV1, 0x03); 942 regmap_write(es8326->regmap, ES8326_CLK_DLL, 0x30); 943 regmap_write(es8326->regmap, ES8326_CLK_MUX, 0xed); 944 regmap_write(es8326->regmap, ES8326_CLK_DAC_SEL, 0x08); 945 regmap_write(es8326->regmap, ES8326_CLK_TRI, 0xc1); 946 regmap_write(es8326->regmap, ES8326_DAC_MUTE, 0x03); 947 regmap_write(es8326->regmap, ES8326_ANA_VSEL, 0x7f); 948 regmap_write(es8326->regmap, ES8326_VMIDLOW, 0x23); 949 regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x88); 950 usleep_range(15000, 20000); 951 regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, 0x8c); 952 usleep_range(15000, 20000); 953 regmap_write(es8326->regmap, ES8326_RESET, 0xc0); 954 usleep_range(15000, 20000); 955 956 regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, ES8326_HP_OFF); 957 regmap_read(es8326->regmap, ES8326_CSM_MUTE_STA, ®); 958 if ((reg & 0xf0) != 0x40) 959 msleep(50); 960 961 regmap_write(es8326->regmap, ES8326_HP_CAL, 0xd4); 962 msleep(200); 963 regmap_write(es8326->regmap, ES8326_HP_CAL, 0x4d); 964 msleep(200); 965 regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF); 966 regmap_read(es8326->regmap, ES8326_HPL_OFFSET_INI, &offset_l); 967 regmap_read(es8326->regmap, ES8326_HPR_OFFSET_INI, &offset_r); 968 regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, 0x8c); 969 regmap_write(es8326->regmap, ES8326_HPL_OFFSET_INI, offset_l); 970 regmap_write(es8326->regmap, ES8326_HPR_OFFSET_INI, offset_r); 971 regmap_write(es8326->regmap, ES8326_CLK_INV, 0x00); 972 973 es8326->calibrated = true; 974 } 975 976 return 0; 977 } 978 979 static int es8326_resume(struct snd_soc_component *component) 980 { 981 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 982 983 regcache_cache_only(es8326->regmap, false); 984 regcache_sync(es8326->regmap); 985 986 /* reset internal clock state */ 987 regmap_write(es8326->regmap, ES8326_RESET, 0x1f); 988 regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x0E); 989 regmap_write(es8326->regmap, ES8326_ANA_LP, 0xf0); 990 usleep_range(10000, 15000); 991 regmap_write(es8326->regmap, ES8326_HPJACK_TIMER, 0xd9); 992 regmap_write(es8326->regmap, ES8326_ANA_MICBIAS, 0xcb); 993 /* set headphone default type and detect pin */ 994 regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x83); 995 regmap_write(es8326->regmap, ES8326_CLK_RESAMPLE, 0x05); 996 997 /* set internal oscillator as clock source of headpone cp */ 998 regmap_write(es8326->regmap, ES8326_CLK_DIV_CPC, 0x89); 999 regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_ON); 1000 /* clock manager reset release */ 1001 regmap_write(es8326->regmap, ES8326_RESET, 0x17); 1002 /* set headphone detection as half scan mode */ 1003 regmap_write(es8326->regmap, ES8326_HP_MISC, 0x3d); 1004 regmap_write(es8326->regmap, ES8326_PULLUP_CTL, 0x00); 1005 1006 /* enable headphone driver */ 1007 regmap_write(es8326->regmap, ES8326_HP_VOL, 0xc4); 1008 regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa7); 1009 usleep_range(2000, 5000); 1010 regmap_write(es8326->regmap, ES8326_HP_DRIVER_REF, 0x23); 1011 regmap_write(es8326->regmap, ES8326_HP_DRIVER_REF, 0x33); 1012 regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa1); 1013 1014 regmap_write(es8326->regmap, ES8326_CLK_INV, 0x00); 1015 regmap_write(es8326->regmap, ES8326_CLK_VMIDS1, 0xc4); 1016 regmap_write(es8326->regmap, ES8326_CLK_VMIDS2, 0x81); 1017 regmap_write(es8326->regmap, ES8326_CLK_CAL_TIME, 0x00); 1018 /* calibrate for B version */ 1019 es8326_calibrate(component); 1020 regmap_write(es8326->regmap, ES8326_DAC_CROSSTALK, 0xaa); 1021 regmap_write(es8326->regmap, ES8326_DAC_RAMPRATE, 0x00); 1022 /* turn off headphone out */ 1023 regmap_write(es8326->regmap, ES8326_HP_CAL, 0x00); 1024 /* set ADC and DAC in low power mode */ 1025 regmap_write(es8326->regmap, ES8326_ANA_LP, 0xf0); 1026 1027 regmap_write(es8326->regmap, ES8326_ANA_VSEL, 0x7F); 1028 /* select vdda as micbias source */ 1029 regmap_write(es8326->regmap, ES8326_VMIDLOW, 0x23); 1030 /* set dac dsmclip = 1 */ 1031 regmap_write(es8326->regmap, ES8326_DAC_DSM, 0x08); 1032 regmap_write(es8326->regmap, ES8326_DAC_VPPSCALE, 0x15); 1033 1034 regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 | 1035 ((es8326->version == ES8326_VERSION_B) ? 1036 (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) : 1037 (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04))); 1038 usleep_range(5000, 10000); 1039 es8326_enable_micbias(es8326->component); 1040 usleep_range(50000, 70000); 1041 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); 1042 regmap_write(es8326->regmap, ES8326_INT_SOURCE, ES8326_INT_SRC_PIN9); 1043 regmap_write(es8326->regmap, ES8326_INTOUT_IO, 1044 es8326->interrupt_clk); 1045 regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, 1046 (ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT)); 1047 regmap_write(es8326->regmap, ES8326_SDINOUT23_IO, ES8326_IO_INPUT); 1048 1049 regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x00); 1050 regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_ON); 1051 regmap_update_bits(es8326->regmap, ES8326_PGAGAIN, ES8326_MIC_SEL_MASK, 1052 ES8326_MIC1_SEL); 1053 1054 regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK, 1055 ES8326_MUTE); 1056 1057 regmap_write(es8326->regmap, ES8326_ADC_MUTE, 0x0f); 1058 1059 es8326->jack_remove_retry = 0; 1060 es8326->hp = 0; 1061 es8326->hpl_vol = 0x03; 1062 es8326->hpr_vol = 0x03; 1063 1064 es8326_irq(es8326->irq, es8326); 1065 return 0; 1066 } 1067 1068 static int es8326_suspend(struct snd_soc_component *component) 1069 { 1070 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 1071 1072 cancel_delayed_work_sync(&es8326->jack_detect_work); 1073 es8326_disable_micbias(component); 1074 es8326->calibrated = false; 1075 regmap_write(es8326->regmap, ES8326_CLK_MUX, 0x2d); 1076 regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x00); 1077 regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b); 1078 regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_OFF); 1079 regcache_cache_only(es8326->regmap, true); 1080 regcache_mark_dirty(es8326->regmap); 1081 1082 /* reset register value to default */ 1083 regmap_write(es8326->regmap, ES8326_CSM_I2C_STA, 0x01); 1084 usleep_range(1000, 3000); 1085 regmap_write(es8326->regmap, ES8326_CSM_I2C_STA, 0x00); 1086 return 0; 1087 } 1088 1089 static int es8326_probe(struct snd_soc_component *component) 1090 { 1091 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 1092 int ret; 1093 1094 es8326->component = component; 1095 es8326->jd_inverted = device_property_read_bool(component->dev, 1096 "everest,jack-detect-inverted"); 1097 1098 ret = device_property_read_u8(component->dev, "everest,jack-pol", &es8326->jack_pol); 1099 if (ret != 0) { 1100 dev_dbg(component->dev, "jack-pol return %d", ret); 1101 es8326->jack_pol = ES8326_HP_TYPE_AUTO; 1102 } 1103 dev_dbg(component->dev, "jack-pol %x", es8326->jack_pol); 1104 1105 ret = device_property_read_u8(component->dev, "everest,interrupt-src", 1106 &es8326->interrupt_src); 1107 if (ret != 0) { 1108 dev_dbg(component->dev, "interrupt-src return %d", ret); 1109 es8326->interrupt_src = ES8326_HP_DET_SRC_PIN9; 1110 } 1111 dev_dbg(component->dev, "interrupt-src %x", es8326->interrupt_src); 1112 1113 ret = device_property_read_u8(component->dev, "everest,interrupt-clk", 1114 &es8326->interrupt_clk); 1115 if (ret != 0) { 1116 dev_dbg(component->dev, "interrupt-clk return %d", ret); 1117 es8326->interrupt_clk = 0x00; 1118 } 1119 dev_dbg(component->dev, "interrupt-clk %x", es8326->interrupt_clk); 1120 1121 es8326_resume(component); 1122 return 0; 1123 } 1124 1125 static void es8326_enable_jack_detect(struct snd_soc_component *component, 1126 struct snd_soc_jack *jack) 1127 { 1128 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 1129 1130 mutex_lock(&es8326->lock); 1131 if (es8326->jd_inverted) 1132 snd_soc_component_update_bits(component, ES8326_HPDET_TYPE, 1133 ES8326_HP_DET_JACK_POL, ~es8326->jack_pol); 1134 es8326->jack = jack; 1135 1136 mutex_unlock(&es8326->lock); 1137 es8326_irq(es8326->irq, es8326); 1138 } 1139 1140 static void es8326_disable_jack_detect(struct snd_soc_component *component) 1141 { 1142 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); 1143 1144 dev_dbg(component->dev, "Enter into %s\n", __func__); 1145 if (!es8326->jack) 1146 return; /* Already disabled (or never enabled) */ 1147 cancel_delayed_work_sync(&es8326->jack_detect_work); 1148 1149 mutex_lock(&es8326->lock); 1150 if (es8326->jack->status & SND_JACK_MICROPHONE) { 1151 es8326_disable_micbias(component); 1152 snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET); 1153 } 1154 es8326->jack = NULL; 1155 mutex_unlock(&es8326->lock); 1156 } 1157 1158 static int es8326_set_jack(struct snd_soc_component *component, 1159 struct snd_soc_jack *jack, void *data) 1160 { 1161 if (jack) 1162 es8326_enable_jack_detect(component, jack); 1163 else 1164 es8326_disable_jack_detect(component); 1165 1166 return 0; 1167 } 1168 1169 static void es8326_remove(struct snd_soc_component *component) 1170 { 1171 es8326_disable_jack_detect(component); 1172 es8326_set_bias_level(component, SND_SOC_BIAS_OFF); 1173 } 1174 1175 static const struct snd_soc_component_driver soc_component_dev_es8326 = { 1176 .probe = es8326_probe, 1177 .remove = es8326_remove, 1178 .resume = es8326_resume, 1179 .suspend = es8326_suspend, 1180 .set_bias_level = es8326_set_bias_level, 1181 .set_jack = es8326_set_jack, 1182 .dapm_widgets = es8326_dapm_widgets, 1183 .num_dapm_widgets = ARRAY_SIZE(es8326_dapm_widgets), 1184 .dapm_routes = es8326_dapm_routes, 1185 .num_dapm_routes = ARRAY_SIZE(es8326_dapm_routes), 1186 .controls = es8326_snd_controls, 1187 .num_controls = ARRAY_SIZE(es8326_snd_controls), 1188 .use_pmdown_time = 1, 1189 .endianness = 1, 1190 }; 1191 1192 static int es8326_i2c_probe(struct i2c_client *i2c) 1193 { 1194 struct es8326_priv *es8326; 1195 int ret; 1196 1197 es8326 = devm_kzalloc(&i2c->dev, sizeof(struct es8326_priv), GFP_KERNEL); 1198 if (!es8326) 1199 return -ENOMEM; 1200 1201 i2c_set_clientdata(i2c, es8326); 1202 es8326->i2c = i2c; 1203 mutex_init(&es8326->lock); 1204 es8326->regmap = devm_regmap_init_i2c(i2c, &es8326_regmap_config); 1205 if (IS_ERR(es8326->regmap)) { 1206 ret = PTR_ERR(es8326->regmap); 1207 dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); 1208 return ret; 1209 } 1210 1211 es8326->irq = i2c->irq; 1212 INIT_DELAYED_WORK(&es8326->jack_detect_work, 1213 es8326_jack_detect_handler); 1214 INIT_DELAYED_WORK(&es8326->button_press_work, 1215 es8326_jack_button_handler); 1216 /* ES8316 is level-based while ES8326 is edge-based */ 1217 ret = devm_request_threaded_irq(&i2c->dev, es8326->irq, NULL, es8326_irq, 1218 IRQF_TRIGGER_RISING | IRQF_ONESHOT, 1219 "es8326", es8326); 1220 if (ret) { 1221 dev_warn(&i2c->dev, "Failed to request IRQ: %d: %d\n", 1222 es8326->irq, ret); 1223 es8326->irq = -ENXIO; 1224 } 1225 1226 es8326->mclk = devm_clk_get_optional(&i2c->dev, "mclk"); 1227 if (IS_ERR(es8326->mclk)) { 1228 dev_err(&i2c->dev, "unable to get mclk\n"); 1229 return PTR_ERR(es8326->mclk); 1230 } 1231 if (!es8326->mclk) 1232 dev_warn(&i2c->dev, "assuming static mclk\n"); 1233 1234 ret = clk_prepare_enable(es8326->mclk); 1235 if (ret) { 1236 dev_err(&i2c->dev, "unable to enable mclk\n"); 1237 return ret; 1238 } 1239 return devm_snd_soc_register_component(&i2c->dev, 1240 &soc_component_dev_es8326, 1241 &es8326_dai, 1); 1242 } 1243 1244 static const struct i2c_device_id es8326_i2c_id[] = { 1245 {"es8326", 0 }, 1246 {} 1247 }; 1248 MODULE_DEVICE_TABLE(i2c, es8326_i2c_id); 1249 1250 #ifdef CONFIG_OF 1251 static const struct of_device_id es8326_of_match[] = { 1252 { .compatible = "everest,es8326", }, 1253 {} 1254 }; 1255 MODULE_DEVICE_TABLE(of, es8326_of_match); 1256 #endif 1257 1258 #ifdef CONFIG_ACPI 1259 static const struct acpi_device_id es8326_acpi_match[] = { 1260 {"ESSX8326", 0}, 1261 {}, 1262 }; 1263 MODULE_DEVICE_TABLE(acpi, es8326_acpi_match); 1264 #endif 1265 1266 static struct i2c_driver es8326_i2c_driver = { 1267 .driver = { 1268 .name = "es8326", 1269 .acpi_match_table = ACPI_PTR(es8326_acpi_match), 1270 .of_match_table = of_match_ptr(es8326_of_match), 1271 }, 1272 .probe = es8326_i2c_probe, 1273 .id_table = es8326_i2c_id, 1274 }; 1275 module_i2c_driver(es8326_i2c_driver); 1276 1277 MODULE_DESCRIPTION("ASoC es8326 driver"); 1278 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>"); 1279 MODULE_LICENSE("GPL"); 1280