1 /* 2 * linux/sound/soc/codecs/tlv320aic32x4.c 3 * 4 * Copyright 2011 Vista Silicon S.L. 5 * 6 * Author: Javier Martin <javier.martin@vista-silicon.com> 7 * 8 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 23 * MA 02110-1301, USA. 24 */ 25 26 #include <linux/module.h> 27 #include <linux/moduleparam.h> 28 #include <linux/init.h> 29 #include <linux/delay.h> 30 #include <linux/pm.h> 31 #include <linux/gpio.h> 32 #include <linux/of_gpio.h> 33 #include <linux/cdev.h> 34 #include <linux/slab.h> 35 #include <linux/clk.h> 36 #include <linux/regulator/consumer.h> 37 38 #include <sound/tlv320aic32x4.h> 39 #include <sound/core.h> 40 #include <sound/pcm.h> 41 #include <sound/pcm_params.h> 42 #include <sound/soc.h> 43 #include <sound/soc-dapm.h> 44 #include <sound/initval.h> 45 #include <sound/tlv.h> 46 47 #include "tlv320aic32x4.h" 48 49 struct aic32x4_rate_divs { 50 u32 mclk; 51 u32 rate; 52 u8 p_val; 53 u8 pll_j; 54 u16 pll_d; 55 u16 dosr; 56 u8 ndac; 57 u8 mdac; 58 u8 aosr; 59 u8 nadc; 60 u8 madc; 61 u8 blck_N; 62 }; 63 64 struct aic32x4_priv { 65 struct regmap *regmap; 66 u32 sysclk; 67 u32 power_cfg; 68 u32 micpga_routing; 69 bool swapdacs; 70 int rstn_gpio; 71 struct clk *mclk; 72 73 struct regulator *supply_ldo; 74 struct regulator *supply_iov; 75 struct regulator *supply_dv; 76 struct regulator *supply_av; 77 78 struct aic32x4_setup_data *setup; 79 struct device *dev; 80 }; 81 82 static int mic_bias_event(struct snd_soc_dapm_widget *w, 83 struct snd_kcontrol *kcontrol, int event) 84 { 85 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 86 87 switch (event) { 88 case SND_SOC_DAPM_POST_PMU: 89 /* Change Mic Bias Registor */ 90 snd_soc_component_update_bits(component, AIC32X4_MICBIAS, 91 AIC32x4_MICBIAS_MASK, 92 AIC32X4_MICBIAS_LDOIN | 93 AIC32X4_MICBIAS_2075V); 94 printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__); 95 break; 96 case SND_SOC_DAPM_PRE_PMD: 97 snd_soc_component_update_bits(component, AIC32X4_MICBIAS, 98 AIC32x4_MICBIAS_MASK, 0); 99 printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n", 100 __func__); 101 break; 102 } 103 104 return 0; 105 } 106 107 108 static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol, 109 struct snd_ctl_elem_value *ucontrol) 110 { 111 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 112 u8 val; 113 114 val = snd_soc_component_read32(component, AIC32X4_DINCTL); 115 116 ucontrol->value.integer.value[0] = (val & 0x01); 117 118 return 0; 119 }; 120 121 static int aic32x4_set_mfp2_gpio(struct snd_kcontrol *kcontrol, 122 struct snd_ctl_elem_value *ucontrol) 123 { 124 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 125 u8 val; 126 u8 gpio_check; 127 128 val = snd_soc_component_read32(component, AIC32X4_DOUTCTL); 129 gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED); 130 if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) { 131 printk(KERN_ERR "%s: MFP2 is not configure as a GPIO output\n", 132 __func__); 133 return -EINVAL; 134 } 135 136 if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP2_GPIO_OUT_HIGH)) 137 return 0; 138 139 if (ucontrol->value.integer.value[0]) 140 val |= ucontrol->value.integer.value[0]; 141 else 142 val &= ~AIC32X4_MFP2_GPIO_OUT_HIGH; 143 144 snd_soc_component_write(component, AIC32X4_DOUTCTL, val); 145 146 return 0; 147 }; 148 149 static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol, 150 struct snd_ctl_elem_value *ucontrol) 151 { 152 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 153 u8 val; 154 155 val = snd_soc_component_read32(component, AIC32X4_SCLKCTL); 156 157 ucontrol->value.integer.value[0] = (val & 0x01); 158 159 return 0; 160 }; 161 162 static int aic32x4_set_mfp4_gpio(struct snd_kcontrol *kcontrol, 163 struct snd_ctl_elem_value *ucontrol) 164 { 165 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 166 u8 val; 167 u8 gpio_check; 168 169 val = snd_soc_component_read32(component, AIC32X4_MISOCTL); 170 gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED); 171 if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) { 172 printk(KERN_ERR "%s: MFP4 is not configure as a GPIO output\n", 173 __func__); 174 return -EINVAL; 175 } 176 177 if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP5_GPIO_OUT_HIGH)) 178 return 0; 179 180 if (ucontrol->value.integer.value[0]) 181 val |= ucontrol->value.integer.value[0]; 182 else 183 val &= ~AIC32X4_MFP5_GPIO_OUT_HIGH; 184 185 snd_soc_component_write(component, AIC32X4_MISOCTL, val); 186 187 return 0; 188 }; 189 190 static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol, 191 struct snd_ctl_elem_value *ucontrol) 192 { 193 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 194 u8 val; 195 196 val = snd_soc_component_read32(component, AIC32X4_GPIOCTL); 197 ucontrol->value.integer.value[0] = ((val & 0x2) >> 1); 198 199 return 0; 200 }; 201 202 static int aic32x4_set_mfp5_gpio(struct snd_kcontrol *kcontrol, 203 struct snd_ctl_elem_value *ucontrol) 204 { 205 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 206 u8 val; 207 u8 gpio_check; 208 209 val = snd_soc_component_read32(component, AIC32X4_GPIOCTL); 210 gpio_check = (val & AIC32X4_MFP5_GPIO_OUTPUT); 211 if (gpio_check != AIC32X4_MFP5_GPIO_OUTPUT) { 212 printk(KERN_ERR "%s: MFP5 is not configure as a GPIO output\n", 213 __func__); 214 return -EINVAL; 215 } 216 217 if (ucontrol->value.integer.value[0] == (val & 0x1)) 218 return 0; 219 220 if (ucontrol->value.integer.value[0]) 221 val |= ucontrol->value.integer.value[0]; 222 else 223 val &= 0xfe; 224 225 snd_soc_component_write(component, AIC32X4_GPIOCTL, val); 226 227 return 0; 228 }; 229 230 static const struct snd_kcontrol_new aic32x4_mfp1[] = { 231 SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL), 232 }; 233 234 static const struct snd_kcontrol_new aic32x4_mfp2[] = { 235 SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio), 236 }; 237 238 static const struct snd_kcontrol_new aic32x4_mfp3[] = { 239 SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL), 240 }; 241 242 static const struct snd_kcontrol_new aic32x4_mfp4[] = { 243 SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio), 244 }; 245 246 static const struct snd_kcontrol_new aic32x4_mfp5[] = { 247 SOC_SINGLE_BOOL_EXT("MFP5 GPIO", 0, aic32x4_get_mfp5_gpio, 248 aic32x4_set_mfp5_gpio), 249 }; 250 251 /* 0dB min, 0.5dB steps */ 252 static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0); 253 /* -63.5dB min, 0.5dB steps */ 254 static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0); 255 /* -6dB min, 1dB steps */ 256 static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0); 257 /* -12dB min, 0.5dB steps */ 258 static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0); 259 260 static const struct snd_kcontrol_new aic32x4_snd_controls[] = { 261 SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL, 262 AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm), 263 SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN, 264 AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0, 265 tlv_driver_gain), 266 SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN, 267 AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0, 268 tlv_driver_gain), 269 SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN, 270 AIC32X4_HPRGAIN, 6, 0x01, 1), 271 SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN, 272 AIC32X4_LORGAIN, 6, 0x01, 1), 273 SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL, 274 AIC32X4_RMICPGAVOL, 7, 0x01, 1), 275 276 SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0), 277 SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0), 278 279 SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL, 280 AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol), 281 SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL, 282 AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5), 283 284 SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0), 285 286 SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0), 287 SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0), 288 SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1, 289 4, 0x07, 0), 290 SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1, 291 0, 0x03, 0), 292 SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2, 293 6, 0x03, 0), 294 SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2, 295 1, 0x1F, 0), 296 SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3, 297 0, 0x7F, 0), 298 SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4, 299 3, 0x1F, 0), 300 SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5, 301 3, 0x1F, 0), 302 SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6, 303 0, 0x1F, 0), 304 SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7, 305 0, 0x0F, 0), 306 }; 307 308 static const struct aic32x4_rate_divs aic32x4_divs[] = { 309 /* 8k rate */ 310 {12000000, 8000, 1, 7, 6800, 768, 5, 3, 128, 5, 18, 24}, 311 {24000000, 8000, 2, 7, 6800, 768, 15, 1, 64, 45, 4, 24}, 312 {25000000, 8000, 2, 7, 3728, 768, 15, 1, 64, 45, 4, 24}, 313 /* 11.025k rate */ 314 {12000000, 11025, 1, 7, 5264, 512, 8, 2, 128, 8, 8, 16}, 315 {24000000, 11025, 2, 7, 5264, 512, 16, 1, 64, 32, 4, 16}, 316 /* 16k rate */ 317 {12000000, 16000, 1, 7, 6800, 384, 5, 3, 128, 5, 9, 12}, 318 {24000000, 16000, 2, 7, 6800, 384, 15, 1, 64, 18, 5, 12}, 319 {25000000, 16000, 2, 7, 3728, 384, 15, 1, 64, 18, 5, 12}, 320 /* 22.05k rate */ 321 {12000000, 22050, 1, 7, 5264, 256, 4, 4, 128, 4, 8, 8}, 322 {24000000, 22050, 2, 7, 5264, 256, 16, 1, 64, 16, 4, 8}, 323 {25000000, 22050, 2, 7, 2253, 256, 16, 1, 64, 16, 4, 8}, 324 /* 32k rate */ 325 {12000000, 32000, 1, 7, 1680, 192, 2, 7, 64, 2, 21, 6}, 326 {24000000, 32000, 2, 7, 1680, 192, 7, 2, 64, 7, 6, 6}, 327 /* 44.1k rate */ 328 {12000000, 44100, 1, 7, 5264, 128, 2, 8, 128, 2, 8, 4}, 329 {24000000, 44100, 2, 7, 5264, 128, 8, 2, 64, 8, 4, 4}, 330 {25000000, 44100, 2, 7, 2253, 128, 8, 2, 64, 8, 4, 4}, 331 /* 48k rate */ 332 {12000000, 48000, 1, 8, 1920, 128, 2, 8, 128, 2, 8, 4}, 333 {24000000, 48000, 2, 8, 1920, 128, 8, 2, 64, 8, 4, 4}, 334 {25000000, 48000, 2, 7, 8643, 128, 8, 2, 64, 8, 4, 4}, 335 336 /* 96k rate */ 337 {25000000, 96000, 2, 7, 8643, 64, 4, 4, 64, 4, 4, 1}, 338 }; 339 340 static const struct snd_kcontrol_new hpl_output_mixer_controls[] = { 341 SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0), 342 SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0), 343 }; 344 345 static const struct snd_kcontrol_new hpr_output_mixer_controls[] = { 346 SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0), 347 SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0), 348 }; 349 350 static const struct snd_kcontrol_new lol_output_mixer_controls[] = { 351 SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0), 352 }; 353 354 static const struct snd_kcontrol_new lor_output_mixer_controls[] = { 355 SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0), 356 }; 357 358 static const char * const resistor_text[] = { 359 "Off", "10 kOhm", "20 kOhm", "40 kOhm", 360 }; 361 362 /* Left mixer pins */ 363 static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text); 364 static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text); 365 static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text); 366 static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text); 367 368 static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text); 369 static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text); 370 static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text); 371 372 static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = { 373 SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum), 374 }; 375 static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = { 376 SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum), 377 }; 378 static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = { 379 SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum), 380 }; 381 static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = { 382 SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum), 383 }; 384 static const struct snd_kcontrol_new cml_to_lmixer_controls[] = { 385 SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum), 386 }; 387 static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = { 388 SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum), 389 }; 390 static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = { 391 SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum), 392 }; 393 394 /* Right mixer pins */ 395 static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text); 396 static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text); 397 static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text); 398 static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text); 399 static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text); 400 static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text); 401 static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text); 402 403 static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = { 404 SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum), 405 }; 406 static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = { 407 SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum), 408 }; 409 static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = { 410 SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum), 411 }; 412 static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = { 413 SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum), 414 }; 415 static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = { 416 SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum), 417 }; 418 static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = { 419 SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum), 420 }; 421 static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = { 422 SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum), 423 }; 424 425 static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { 426 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0), 427 SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0, 428 &hpl_output_mixer_controls[0], 429 ARRAY_SIZE(hpl_output_mixer_controls)), 430 SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0), 431 432 SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0, 433 &lol_output_mixer_controls[0], 434 ARRAY_SIZE(lol_output_mixer_controls)), 435 SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0), 436 437 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0), 438 SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0, 439 &hpr_output_mixer_controls[0], 440 ARRAY_SIZE(hpr_output_mixer_controls)), 441 SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0), 442 SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0, 443 &lor_output_mixer_controls[0], 444 ARRAY_SIZE(lor_output_mixer_controls)), 445 SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0), 446 447 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0), 448 SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 449 in1r_to_rmixer_controls), 450 SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 451 in2r_to_rmixer_controls), 452 SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 453 in3r_to_rmixer_controls), 454 SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 455 in2l_to_rmixer_controls), 456 SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 457 cmr_to_rmixer_controls), 458 SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 459 in1l_to_rmixer_controls), 460 SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 461 in3l_to_rmixer_controls), 462 463 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0), 464 SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 465 in1l_to_lmixer_controls), 466 SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 467 in2l_to_lmixer_controls), 468 SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 469 in3l_to_lmixer_controls), 470 SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0, 471 in1r_to_lmixer_controls), 472 SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 473 cml_to_lmixer_controls), 474 SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 475 in2r_to_lmixer_controls), 476 SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0, 477 in3r_to_lmixer_controls), 478 479 SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event, 480 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 481 482 483 SND_SOC_DAPM_OUTPUT("HPL"), 484 SND_SOC_DAPM_OUTPUT("HPR"), 485 SND_SOC_DAPM_OUTPUT("LOL"), 486 SND_SOC_DAPM_OUTPUT("LOR"), 487 SND_SOC_DAPM_INPUT("IN1_L"), 488 SND_SOC_DAPM_INPUT("IN1_R"), 489 SND_SOC_DAPM_INPUT("IN2_L"), 490 SND_SOC_DAPM_INPUT("IN2_R"), 491 SND_SOC_DAPM_INPUT("IN3_L"), 492 SND_SOC_DAPM_INPUT("IN3_R"), 493 }; 494 495 static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = { 496 /* Left Output */ 497 {"HPL Output Mixer", "L_DAC Switch", "Left DAC"}, 498 {"HPL Output Mixer", "IN1_L Switch", "IN1_L"}, 499 500 {"HPL Power", NULL, "HPL Output Mixer"}, 501 {"HPL", NULL, "HPL Power"}, 502 503 {"LOL Output Mixer", "L_DAC Switch", "Left DAC"}, 504 505 {"LOL Power", NULL, "LOL Output Mixer"}, 506 {"LOL", NULL, "LOL Power"}, 507 508 /* Right Output */ 509 {"HPR Output Mixer", "R_DAC Switch", "Right DAC"}, 510 {"HPR Output Mixer", "IN1_R Switch", "IN1_R"}, 511 512 {"HPR Power", NULL, "HPR Output Mixer"}, 513 {"HPR", NULL, "HPR Power"}, 514 515 {"LOR Output Mixer", "R_DAC Switch", "Right DAC"}, 516 517 {"LOR Power", NULL, "LOR Output Mixer"}, 518 {"LOR", NULL, "LOR Power"}, 519 520 /* Right Input */ 521 {"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"}, 522 {"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"}, 523 {"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"}, 524 {"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"}, 525 526 {"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"}, 527 {"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"}, 528 {"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"}, 529 {"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"}, 530 531 {"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"}, 532 {"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"}, 533 {"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"}, 534 {"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"}, 535 536 {"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"}, 537 {"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"}, 538 {"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"}, 539 {"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"}, 540 541 {"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"}, 542 {"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"}, 543 {"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"}, 544 {"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"}, 545 546 {"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"}, 547 {"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"}, 548 {"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"}, 549 {"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"}, 550 551 {"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"}, 552 {"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"}, 553 {"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"}, 554 {"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"}, 555 556 /* Left Input */ 557 {"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"}, 558 {"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"}, 559 {"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"}, 560 {"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"}, 561 562 {"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"}, 563 {"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"}, 564 {"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"}, 565 {"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"}, 566 567 {"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"}, 568 {"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"}, 569 {"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"}, 570 {"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"}, 571 572 {"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"}, 573 {"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"}, 574 {"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"}, 575 {"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"}, 576 577 {"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"}, 578 {"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"}, 579 {"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"}, 580 {"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"}, 581 582 {"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"}, 583 {"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"}, 584 {"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"}, 585 {"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"}, 586 587 {"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"}, 588 {"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"}, 589 {"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"}, 590 {"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"}, 591 }; 592 593 static const struct regmap_range_cfg aic32x4_regmap_pages[] = { 594 { 595 .selector_reg = 0, 596 .selector_mask = 0xff, 597 .window_start = 0, 598 .window_len = 128, 599 .range_min = 0, 600 .range_max = AIC32X4_RMICPGAVOL, 601 }, 602 }; 603 604 const struct regmap_config aic32x4_regmap_config = { 605 .max_register = AIC32X4_RMICPGAVOL, 606 .ranges = aic32x4_regmap_pages, 607 .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages), 608 }; 609 EXPORT_SYMBOL(aic32x4_regmap_config); 610 611 static inline int aic32x4_get_divs(int mclk, int rate) 612 { 613 int i; 614 615 for (i = 0; i < ARRAY_SIZE(aic32x4_divs); i++) { 616 if ((aic32x4_divs[i].rate == rate) 617 && (aic32x4_divs[i].mclk == mclk)) { 618 return i; 619 } 620 } 621 printk(KERN_ERR "aic32x4: master clock and sample rate is not supported\n"); 622 return -EINVAL; 623 } 624 625 static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai, 626 int clk_id, unsigned int freq, int dir) 627 { 628 struct snd_soc_component *component = codec_dai->component; 629 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 630 631 switch (freq) { 632 case 12000000: 633 case 24000000: 634 case 25000000: 635 aic32x4->sysclk = freq; 636 return 0; 637 } 638 printk(KERN_ERR "aic32x4: invalid frequency to set DAI system clock\n"); 639 return -EINVAL; 640 } 641 642 static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 643 { 644 struct snd_soc_component *component = codec_dai->component; 645 u8 iface_reg_1 = 0; 646 u8 iface_reg_2 = 0; 647 u8 iface_reg_3 = 0; 648 649 /* set master/slave audio interface */ 650 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 651 case SND_SOC_DAIFMT_CBM_CFM: 652 iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER; 653 break; 654 case SND_SOC_DAIFMT_CBS_CFS: 655 break; 656 default: 657 printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n"); 658 return -EINVAL; 659 } 660 661 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 662 case SND_SOC_DAIFMT_I2S: 663 break; 664 case SND_SOC_DAIFMT_DSP_A: 665 iface_reg_1 |= (AIC32X4_DSP_MODE << 666 AIC32X4_IFACE1_DATATYPE_SHIFT); 667 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */ 668 iface_reg_2 = 0x01; /* add offset 1 */ 669 break; 670 case SND_SOC_DAIFMT_DSP_B: 671 iface_reg_1 |= (AIC32X4_DSP_MODE << 672 AIC32X4_IFACE1_DATATYPE_SHIFT); 673 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */ 674 break; 675 case SND_SOC_DAIFMT_RIGHT_J: 676 iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE << 677 AIC32X4_IFACE1_DATATYPE_SHIFT); 678 break; 679 case SND_SOC_DAIFMT_LEFT_J: 680 iface_reg_1 |= (AIC32X4_LEFT_JUSTIFIED_MODE << 681 AIC32X4_IFACE1_DATATYPE_SHIFT); 682 break; 683 default: 684 printk(KERN_ERR "aic32x4: invalid DAI interface format\n"); 685 return -EINVAL; 686 } 687 688 snd_soc_component_update_bits(component, AIC32X4_IFACE1, 689 AIC32X4_IFACE1_DATATYPE_MASK | 690 AIC32X4_IFACE1_MASTER_MASK, iface_reg_1); 691 snd_soc_component_update_bits(component, AIC32X4_IFACE2, 692 AIC32X4_DATA_OFFSET_MASK, iface_reg_2); 693 snd_soc_component_update_bits(component, AIC32X4_IFACE3, 694 AIC32X4_BCLKINV_MASK, iface_reg_3); 695 696 return 0; 697 } 698 699 static int aic32x4_hw_params(struct snd_pcm_substream *substream, 700 struct snd_pcm_hw_params *params, 701 struct snd_soc_dai *dai) 702 { 703 struct snd_soc_component *component = dai->component; 704 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 705 u8 iface1_reg = 0; 706 u8 dacsetup_reg = 0; 707 int i; 708 709 i = aic32x4_get_divs(aic32x4->sysclk, params_rate(params)); 710 if (i < 0) { 711 printk(KERN_ERR "aic32x4: sampling rate not supported\n"); 712 return i; 713 } 714 715 /* MCLK as PLL_CLKIN */ 716 snd_soc_component_update_bits(component, AIC32X4_CLKMUX, AIC32X4_PLL_CLKIN_MASK, 717 AIC32X4_PLL_CLKIN_MCLK << AIC32X4_PLL_CLKIN_SHIFT); 718 /* PLL as CODEC_CLKIN */ 719 snd_soc_component_update_bits(component, AIC32X4_CLKMUX, AIC32X4_CODEC_CLKIN_MASK, 720 AIC32X4_CODEC_CLKIN_PLL << AIC32X4_CODEC_CLKIN_SHIFT); 721 /* DAC_MOD_CLK as BDIV_CLKIN */ 722 snd_soc_component_update_bits(component, AIC32X4_IFACE3, AIC32X4_BDIVCLK_MASK, 723 AIC32X4_DACMOD2BCLK << AIC32X4_BDIVCLK_SHIFT); 724 725 /* We will fix R value to 1 and will make P & J=K.D as variable */ 726 snd_soc_component_update_bits(component, AIC32X4_PLLPR, AIC32X4_PLL_R_MASK, 0x01); 727 728 /* PLL P value */ 729 snd_soc_component_update_bits(component, AIC32X4_PLLPR, AIC32X4_PLL_P_MASK, 730 aic32x4_divs[i].p_val << AIC32X4_PLL_P_SHIFT); 731 732 /* PLL J value */ 733 snd_soc_component_write(component, AIC32X4_PLLJ, aic32x4_divs[i].pll_j); 734 735 /* PLL D value */ 736 snd_soc_component_write(component, AIC32X4_PLLDMSB, (aic32x4_divs[i].pll_d >> 8)); 737 snd_soc_component_write(component, AIC32X4_PLLDLSB, (aic32x4_divs[i].pll_d & 0xff)); 738 739 /* NDAC divider value */ 740 snd_soc_component_update_bits(component, AIC32X4_NDAC, 741 AIC32X4_NDAC_MASK, aic32x4_divs[i].ndac); 742 743 /* MDAC divider value */ 744 snd_soc_component_update_bits(component, AIC32X4_MDAC, 745 AIC32X4_MDAC_MASK, aic32x4_divs[i].mdac); 746 747 /* DOSR MSB & LSB values */ 748 snd_soc_component_write(component, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8); 749 snd_soc_component_write(component, AIC32X4_DOSRLSB, (aic32x4_divs[i].dosr & 0xff)); 750 751 /* NADC divider value */ 752 snd_soc_component_update_bits(component, AIC32X4_NADC, 753 AIC32X4_NADC_MASK, aic32x4_divs[i].nadc); 754 755 /* MADC divider value */ 756 snd_soc_component_update_bits(component, AIC32X4_MADC, 757 AIC32X4_MADC_MASK, aic32x4_divs[i].madc); 758 759 /* AOSR value */ 760 snd_soc_component_write(component, AIC32X4_AOSR, aic32x4_divs[i].aosr); 761 762 /* BCLK N divider */ 763 snd_soc_component_update_bits(component, AIC32X4_BCLKN, 764 AIC32X4_BCLK_MASK, aic32x4_divs[i].blck_N); 765 766 switch (params_width(params)) { 767 case 16: 768 iface1_reg |= (AIC32X4_WORD_LEN_16BITS << 769 AIC32X4_IFACE1_DATALEN_SHIFT); 770 break; 771 case 20: 772 iface1_reg |= (AIC32X4_WORD_LEN_20BITS << 773 AIC32X4_IFACE1_DATALEN_SHIFT); 774 break; 775 case 24: 776 iface1_reg |= (AIC32X4_WORD_LEN_24BITS << 777 AIC32X4_IFACE1_DATALEN_SHIFT); 778 break; 779 case 32: 780 iface1_reg |= (AIC32X4_WORD_LEN_32BITS << 781 AIC32X4_IFACE1_DATALEN_SHIFT); 782 break; 783 } 784 snd_soc_component_update_bits(component, AIC32X4_IFACE1, 785 AIC32X4_IFACE1_DATALEN_MASK, iface1_reg); 786 787 if (params_channels(params) == 1) { 788 dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN; 789 } else { 790 if (aic32x4->swapdacs) 791 dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN; 792 else 793 dacsetup_reg = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN; 794 } 795 snd_soc_component_update_bits(component, AIC32X4_DACSETUP, 796 AIC32X4_DAC_CHAN_MASK, dacsetup_reg); 797 798 return 0; 799 } 800 801 static int aic32x4_mute(struct snd_soc_dai *dai, int mute) 802 { 803 struct snd_soc_component *component = dai->component; 804 805 snd_soc_component_update_bits(component, AIC32X4_DACMUTE, 806 AIC32X4_MUTEON, mute ? AIC32X4_MUTEON : 0); 807 808 return 0; 809 } 810 811 static int aic32x4_set_bias_level(struct snd_soc_component *component, 812 enum snd_soc_bias_level level) 813 { 814 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 815 int ret; 816 817 switch (level) { 818 case SND_SOC_BIAS_ON: 819 /* Switch on master clock */ 820 ret = clk_prepare_enable(aic32x4->mclk); 821 if (ret) { 822 dev_err(component->dev, "Failed to enable master clock\n"); 823 return ret; 824 } 825 826 /* Switch on PLL */ 827 snd_soc_component_update_bits(component, AIC32X4_PLLPR, 828 AIC32X4_PLLEN, AIC32X4_PLLEN); 829 830 /* Switch on NDAC Divider */ 831 snd_soc_component_update_bits(component, AIC32X4_NDAC, 832 AIC32X4_NDACEN, AIC32X4_NDACEN); 833 834 /* Switch on MDAC Divider */ 835 snd_soc_component_update_bits(component, AIC32X4_MDAC, 836 AIC32X4_MDACEN, AIC32X4_MDACEN); 837 838 /* Switch on NADC Divider */ 839 snd_soc_component_update_bits(component, AIC32X4_NADC, 840 AIC32X4_NADCEN, AIC32X4_NADCEN); 841 842 /* Switch on MADC Divider */ 843 snd_soc_component_update_bits(component, AIC32X4_MADC, 844 AIC32X4_MADCEN, AIC32X4_MADCEN); 845 846 /* Switch on BCLK_N Divider */ 847 snd_soc_component_update_bits(component, AIC32X4_BCLKN, 848 AIC32X4_BCLKEN, AIC32X4_BCLKEN); 849 break; 850 case SND_SOC_BIAS_PREPARE: 851 break; 852 case SND_SOC_BIAS_STANDBY: 853 /* Initial cold start */ 854 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) 855 break; 856 857 /* Switch off BCLK_N Divider */ 858 snd_soc_component_update_bits(component, AIC32X4_BCLKN, 859 AIC32X4_BCLKEN, 0); 860 861 /* Switch off MADC Divider */ 862 snd_soc_component_update_bits(component, AIC32X4_MADC, 863 AIC32X4_MADCEN, 0); 864 865 /* Switch off NADC Divider */ 866 snd_soc_component_update_bits(component, AIC32X4_NADC, 867 AIC32X4_NADCEN, 0); 868 869 /* Switch off MDAC Divider */ 870 snd_soc_component_update_bits(component, AIC32X4_MDAC, 871 AIC32X4_MDACEN, 0); 872 873 /* Switch off NDAC Divider */ 874 snd_soc_component_update_bits(component, AIC32X4_NDAC, 875 AIC32X4_NDACEN, 0); 876 877 /* Switch off PLL */ 878 snd_soc_component_update_bits(component, AIC32X4_PLLPR, 879 AIC32X4_PLLEN, 0); 880 881 /* Switch off master clock */ 882 clk_disable_unprepare(aic32x4->mclk); 883 break; 884 case SND_SOC_BIAS_OFF: 885 break; 886 } 887 return 0; 888 } 889 890 #define AIC32X4_RATES SNDRV_PCM_RATE_8000_96000 891 #define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \ 892 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) 893 894 static const struct snd_soc_dai_ops aic32x4_ops = { 895 .hw_params = aic32x4_hw_params, 896 .digital_mute = aic32x4_mute, 897 .set_fmt = aic32x4_set_dai_fmt, 898 .set_sysclk = aic32x4_set_dai_sysclk, 899 }; 900 901 static struct snd_soc_dai_driver aic32x4_dai = { 902 .name = "tlv320aic32x4-hifi", 903 .playback = { 904 .stream_name = "Playback", 905 .channels_min = 1, 906 .channels_max = 2, 907 .rates = AIC32X4_RATES, 908 .formats = AIC32X4_FORMATS,}, 909 .capture = { 910 .stream_name = "Capture", 911 .channels_min = 1, 912 .channels_max = 2, 913 .rates = AIC32X4_RATES, 914 .formats = AIC32X4_FORMATS,}, 915 .ops = &aic32x4_ops, 916 .symmetric_rates = 1, 917 }; 918 919 static void aic32x4_setup_gpios(struct snd_soc_component *component) 920 { 921 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 922 923 /* setup GPIO functions */ 924 /* MFP1 */ 925 if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) { 926 snd_soc_component_write(component, AIC32X4_DINCTL, 927 aic32x4->setup->gpio_func[0]); 928 snd_soc_add_component_controls(component, aic32x4_mfp1, 929 ARRAY_SIZE(aic32x4_mfp1)); 930 } 931 932 /* MFP2 */ 933 if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) { 934 snd_soc_component_write(component, AIC32X4_DOUTCTL, 935 aic32x4->setup->gpio_func[1]); 936 snd_soc_add_component_controls(component, aic32x4_mfp2, 937 ARRAY_SIZE(aic32x4_mfp2)); 938 } 939 940 /* MFP3 */ 941 if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) { 942 snd_soc_component_write(component, AIC32X4_SCLKCTL, 943 aic32x4->setup->gpio_func[2]); 944 snd_soc_add_component_controls(component, aic32x4_mfp3, 945 ARRAY_SIZE(aic32x4_mfp3)); 946 } 947 948 /* MFP4 */ 949 if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) { 950 snd_soc_component_write(component, AIC32X4_MISOCTL, 951 aic32x4->setup->gpio_func[3]); 952 snd_soc_add_component_controls(component, aic32x4_mfp4, 953 ARRAY_SIZE(aic32x4_mfp4)); 954 } 955 956 /* MFP5 */ 957 if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) { 958 snd_soc_component_write(component, AIC32X4_GPIOCTL, 959 aic32x4->setup->gpio_func[4]); 960 snd_soc_add_component_controls(component, aic32x4_mfp5, 961 ARRAY_SIZE(aic32x4_mfp5)); 962 } 963 } 964 965 static int aic32x4_component_probe(struct snd_soc_component *component) 966 { 967 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component); 968 u32 tmp_reg; 969 970 if (gpio_is_valid(aic32x4->rstn_gpio)) { 971 ndelay(10); 972 gpio_set_value(aic32x4->rstn_gpio, 1); 973 mdelay(1); 974 } 975 976 snd_soc_component_write(component, AIC32X4_RESET, 0x01); 977 978 if (aic32x4->setup) 979 aic32x4_setup_gpios(component); 980 981 /* Power platform configuration */ 982 if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) { 983 snd_soc_component_write(component, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN | 984 AIC32X4_MICBIAS_2075V); 985 } 986 if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE) 987 snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE); 988 989 tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ? 990 AIC32X4_LDOCTLEN : 0; 991 snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg); 992 993 tmp_reg = snd_soc_component_read32(component, AIC32X4_CMMODE); 994 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36) 995 tmp_reg |= AIC32X4_LDOIN_18_36; 996 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED) 997 tmp_reg |= AIC32X4_LDOIN2HP; 998 snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg); 999 1000 /* Mic PGA routing */ 1001 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K) 1002 snd_soc_component_write(component, AIC32X4_LMICPGANIN, 1003 AIC32X4_LMICPGANIN_IN2R_10K); 1004 else 1005 snd_soc_component_write(component, AIC32X4_LMICPGANIN, 1006 AIC32X4_LMICPGANIN_CM1L_10K); 1007 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K) 1008 snd_soc_component_write(component, AIC32X4_RMICPGANIN, 1009 AIC32X4_RMICPGANIN_IN1L_10K); 1010 else 1011 snd_soc_component_write(component, AIC32X4_RMICPGANIN, 1012 AIC32X4_RMICPGANIN_CM1R_10K); 1013 1014 /* 1015 * Workaround: for an unknown reason, the ADC needs to be powered up 1016 * and down for the first capture to work properly. It seems related to 1017 * a HW BUG or some kind of behavior not documented in the datasheet. 1018 */ 1019 tmp_reg = snd_soc_component_read32(component, AIC32X4_ADCSETUP); 1020 snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg | 1021 AIC32X4_LADC_EN | AIC32X4_RADC_EN); 1022 snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg); 1023 1024 return 0; 1025 } 1026 1027 static const struct snd_soc_component_driver soc_component_dev_aic32x4 = { 1028 .probe = aic32x4_component_probe, 1029 .set_bias_level = aic32x4_set_bias_level, 1030 .controls = aic32x4_snd_controls, 1031 .num_controls = ARRAY_SIZE(aic32x4_snd_controls), 1032 .dapm_widgets = aic32x4_dapm_widgets, 1033 .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets), 1034 .dapm_routes = aic32x4_dapm_routes, 1035 .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes), 1036 .suspend_bias_off = 1, 1037 .idle_bias_on = 1, 1038 .use_pmdown_time = 1, 1039 .endianness = 1, 1040 .non_legacy_dai_naming = 1, 1041 }; 1042 1043 static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4, 1044 struct device_node *np) 1045 { 1046 struct aic32x4_setup_data *aic32x4_setup; 1047 1048 aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup), 1049 GFP_KERNEL); 1050 if (!aic32x4_setup) 1051 return -ENOMEM; 1052 1053 aic32x4->swapdacs = false; 1054 aic32x4->micpga_routing = 0; 1055 aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0); 1056 1057 if (of_property_read_u32_array(np, "aic32x4-gpio-func", 1058 aic32x4_setup->gpio_func, 5) >= 0) 1059 aic32x4->setup = aic32x4_setup; 1060 return 0; 1061 } 1062 1063 static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4) 1064 { 1065 regulator_disable(aic32x4->supply_iov); 1066 1067 if (!IS_ERR(aic32x4->supply_ldo)) 1068 regulator_disable(aic32x4->supply_ldo); 1069 1070 if (!IS_ERR(aic32x4->supply_dv)) 1071 regulator_disable(aic32x4->supply_dv); 1072 1073 if (!IS_ERR(aic32x4->supply_av)) 1074 regulator_disable(aic32x4->supply_av); 1075 } 1076 1077 static int aic32x4_setup_regulators(struct device *dev, 1078 struct aic32x4_priv *aic32x4) 1079 { 1080 int ret = 0; 1081 1082 aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin"); 1083 aic32x4->supply_iov = devm_regulator_get(dev, "iov"); 1084 aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv"); 1085 aic32x4->supply_av = devm_regulator_get_optional(dev, "av"); 1086 1087 /* Check if the regulator requirements are fulfilled */ 1088 1089 if (IS_ERR(aic32x4->supply_iov)) { 1090 dev_err(dev, "Missing supply 'iov'\n"); 1091 return PTR_ERR(aic32x4->supply_iov); 1092 } 1093 1094 if (IS_ERR(aic32x4->supply_ldo)) { 1095 if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER) 1096 return -EPROBE_DEFER; 1097 1098 if (IS_ERR(aic32x4->supply_dv)) { 1099 dev_err(dev, "Missing supply 'dv' or 'ldoin'\n"); 1100 return PTR_ERR(aic32x4->supply_dv); 1101 } 1102 if (IS_ERR(aic32x4->supply_av)) { 1103 dev_err(dev, "Missing supply 'av' or 'ldoin'\n"); 1104 return PTR_ERR(aic32x4->supply_av); 1105 } 1106 } else { 1107 if (IS_ERR(aic32x4->supply_dv) && 1108 PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER) 1109 return -EPROBE_DEFER; 1110 if (IS_ERR(aic32x4->supply_av) && 1111 PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER) 1112 return -EPROBE_DEFER; 1113 } 1114 1115 ret = regulator_enable(aic32x4->supply_iov); 1116 if (ret) { 1117 dev_err(dev, "Failed to enable regulator iov\n"); 1118 return ret; 1119 } 1120 1121 if (!IS_ERR(aic32x4->supply_ldo)) { 1122 ret = regulator_enable(aic32x4->supply_ldo); 1123 if (ret) { 1124 dev_err(dev, "Failed to enable regulator ldo\n"); 1125 goto error_ldo; 1126 } 1127 } 1128 1129 if (!IS_ERR(aic32x4->supply_dv)) { 1130 ret = regulator_enable(aic32x4->supply_dv); 1131 if (ret) { 1132 dev_err(dev, "Failed to enable regulator dv\n"); 1133 goto error_dv; 1134 } 1135 } 1136 1137 if (!IS_ERR(aic32x4->supply_av)) { 1138 ret = regulator_enable(aic32x4->supply_av); 1139 if (ret) { 1140 dev_err(dev, "Failed to enable regulator av\n"); 1141 goto error_av; 1142 } 1143 } 1144 1145 if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av)) 1146 aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE; 1147 1148 return 0; 1149 1150 error_av: 1151 if (!IS_ERR(aic32x4->supply_dv)) 1152 regulator_disable(aic32x4->supply_dv); 1153 1154 error_dv: 1155 if (!IS_ERR(aic32x4->supply_ldo)) 1156 regulator_disable(aic32x4->supply_ldo); 1157 1158 error_ldo: 1159 regulator_disable(aic32x4->supply_iov); 1160 return ret; 1161 } 1162 1163 int aic32x4_probe(struct device *dev, struct regmap *regmap) 1164 { 1165 struct aic32x4_priv *aic32x4; 1166 struct aic32x4_pdata *pdata = dev->platform_data; 1167 struct device_node *np = dev->of_node; 1168 int ret; 1169 1170 if (IS_ERR(regmap)) 1171 return PTR_ERR(regmap); 1172 1173 aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv), 1174 GFP_KERNEL); 1175 if (aic32x4 == NULL) 1176 return -ENOMEM; 1177 1178 aic32x4->dev = dev; 1179 dev_set_drvdata(dev, aic32x4); 1180 1181 if (pdata) { 1182 aic32x4->power_cfg = pdata->power_cfg; 1183 aic32x4->swapdacs = pdata->swapdacs; 1184 aic32x4->micpga_routing = pdata->micpga_routing; 1185 aic32x4->rstn_gpio = pdata->rstn_gpio; 1186 } else if (np) { 1187 ret = aic32x4_parse_dt(aic32x4, np); 1188 if (ret) { 1189 dev_err(dev, "Failed to parse DT node\n"); 1190 return ret; 1191 } 1192 } else { 1193 aic32x4->power_cfg = 0; 1194 aic32x4->swapdacs = false; 1195 aic32x4->micpga_routing = 0; 1196 aic32x4->rstn_gpio = -1; 1197 } 1198 1199 aic32x4->mclk = devm_clk_get(dev, "mclk"); 1200 if (IS_ERR(aic32x4->mclk)) { 1201 dev_err(dev, "Failed getting the mclk. The current implementation does not support the usage of this codec without mclk\n"); 1202 return PTR_ERR(aic32x4->mclk); 1203 } 1204 1205 if (gpio_is_valid(aic32x4->rstn_gpio)) { 1206 ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio, 1207 GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn"); 1208 if (ret != 0) 1209 return ret; 1210 } 1211 1212 ret = aic32x4_setup_regulators(dev, aic32x4); 1213 if (ret) { 1214 dev_err(dev, "Failed to setup regulators\n"); 1215 return ret; 1216 } 1217 1218 ret = devm_snd_soc_register_component(dev, 1219 &soc_component_dev_aic32x4, &aic32x4_dai, 1); 1220 if (ret) { 1221 dev_err(dev, "Failed to register component\n"); 1222 aic32x4_disable_regulators(aic32x4); 1223 return ret; 1224 } 1225 1226 return 0; 1227 } 1228 EXPORT_SYMBOL(aic32x4_probe); 1229 1230 int aic32x4_remove(struct device *dev) 1231 { 1232 struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev); 1233 1234 aic32x4_disable_regulators(aic32x4); 1235 1236 return 0; 1237 } 1238 EXPORT_SYMBOL(aic32x4_remove); 1239 1240 MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver"); 1241 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); 1242 MODULE_LICENSE("GPL"); 1243