Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 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> |
Javier Martin | 1858fe9 | 2012-10-31 11:53:34 +0100 | [diff] [blame] | 31 | #include <linux/gpio.h> |
Markus Pargmann | 4d16700 | 2014-01-27 13:03:08 +0100 | [diff] [blame] | 32 | #include <linux/of_gpio.h> |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 33 | #include <linux/i2c.h> |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 34 | #include <linux/cdev.h> |
| 35 | #include <linux/slab.h> |
Markus Pargmann | 98b664e | 2014-02-20 18:22:58 +0100 | [diff] [blame] | 36 | #include <linux/clk.h> |
Markus Pargmann | 239b669 | 2014-02-20 18:22:59 +0100 | [diff] [blame] | 37 | #include <linux/regulator/consumer.h> |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 38 | |
| 39 | #include <sound/tlv320aic32x4.h> |
| 40 | #include <sound/core.h> |
| 41 | #include <sound/pcm.h> |
| 42 | #include <sound/pcm_params.h> |
| 43 | #include <sound/soc.h> |
| 44 | #include <sound/soc-dapm.h> |
| 45 | #include <sound/initval.h> |
| 46 | #include <sound/tlv.h> |
| 47 | |
| 48 | #include "tlv320aic32x4.h" |
| 49 | |
| 50 | struct aic32x4_rate_divs { |
| 51 | u32 mclk; |
| 52 | u32 rate; |
| 53 | u8 p_val; |
| 54 | u8 pll_j; |
| 55 | u16 pll_d; |
| 56 | u16 dosr; |
| 57 | u8 ndac; |
| 58 | u8 mdac; |
| 59 | u8 aosr; |
| 60 | u8 nadc; |
| 61 | u8 madc; |
| 62 | u8 blck_N; |
| 63 | }; |
| 64 | |
| 65 | struct aic32x4_priv { |
Mark Brown | 4d208ca | 2013-09-25 11:37:53 +0100 | [diff] [blame] | 66 | struct regmap *regmap; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 67 | u32 sysclk; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 68 | u32 power_cfg; |
| 69 | u32 micpga_routing; |
| 70 | bool swapdacs; |
Javier Martin | 1858fe9 | 2012-10-31 11:53:34 +0100 | [diff] [blame] | 71 | int rstn_gpio; |
Markus Pargmann | 98b664e | 2014-02-20 18:22:58 +0100 | [diff] [blame] | 72 | struct clk *mclk; |
Markus Pargmann | 239b669 | 2014-02-20 18:22:59 +0100 | [diff] [blame] | 73 | |
| 74 | struct regulator *supply_ldo; |
| 75 | struct regulator *supply_iov; |
| 76 | struct regulator *supply_dv; |
| 77 | struct regulator *supply_av; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 78 | }; |
| 79 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 80 | /* 0dB min, 0.5dB steps */ |
| 81 | static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0); |
Markus Pargmann | c671e79 | 2014-01-27 13:03:07 +0100 | [diff] [blame] | 82 | /* -63.5dB min, 0.5dB steps */ |
| 83 | static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0); |
| 84 | /* -6dB min, 1dB steps */ |
| 85 | static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0); |
| 86 | /* -12dB min, 0.5dB steps */ |
| 87 | static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 88 | |
| 89 | static const struct snd_kcontrol_new aic32x4_snd_controls[] = { |
Markus Pargmann | c671e79 | 2014-01-27 13:03:07 +0100 | [diff] [blame] | 90 | SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL, |
| 91 | AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm), |
| 92 | SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN, |
| 93 | AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0, |
| 94 | tlv_driver_gain), |
| 95 | SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN, |
| 96 | AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0, |
| 97 | tlv_driver_gain), |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 98 | SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN, |
| 99 | AIC32X4_HPRGAIN, 6, 0x01, 1), |
| 100 | SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN, |
| 101 | AIC32X4_LORGAIN, 6, 0x01, 1), |
| 102 | SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL, |
| 103 | AIC32X4_RMICPGAVOL, 7, 0x01, 1), |
| 104 | |
| 105 | SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0), |
| 106 | SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0), |
| 107 | |
Markus Pargmann | c671e79 | 2014-01-27 13:03:07 +0100 | [diff] [blame] | 108 | SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL, |
| 109 | AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol), |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 110 | SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL, |
| 111 | AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5), |
| 112 | |
| 113 | SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0), |
| 114 | |
| 115 | SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0), |
| 116 | SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0), |
| 117 | SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1, |
| 118 | 4, 0x07, 0), |
| 119 | SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1, |
| 120 | 0, 0x03, 0), |
| 121 | SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2, |
| 122 | 6, 0x03, 0), |
| 123 | SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2, |
| 124 | 1, 0x1F, 0), |
| 125 | SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3, |
| 126 | 0, 0x7F, 0), |
| 127 | SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4, |
| 128 | 3, 0x1F, 0), |
| 129 | SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5, |
| 130 | 3, 0x1F, 0), |
| 131 | SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6, |
| 132 | 0, 0x1F, 0), |
| 133 | SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7, |
| 134 | 0, 0x0F, 0), |
| 135 | }; |
| 136 | |
| 137 | static const struct aic32x4_rate_divs aic32x4_divs[] = { |
| 138 | /* 8k rate */ |
| 139 | {AIC32X4_FREQ_12000000, 8000, 1, 7, 6800, 768, 5, 3, 128, 5, 18, 24}, |
| 140 | {AIC32X4_FREQ_24000000, 8000, 2, 7, 6800, 768, 15, 1, 64, 45, 4, 24}, |
| 141 | {AIC32X4_FREQ_25000000, 8000, 2, 7, 3728, 768, 15, 1, 64, 45, 4, 24}, |
| 142 | /* 11.025k rate */ |
| 143 | {AIC32X4_FREQ_12000000, 11025, 1, 7, 5264, 512, 8, 2, 128, 8, 8, 16}, |
| 144 | {AIC32X4_FREQ_24000000, 11025, 2, 7, 5264, 512, 16, 1, 64, 32, 4, 16}, |
| 145 | /* 16k rate */ |
| 146 | {AIC32X4_FREQ_12000000, 16000, 1, 7, 6800, 384, 5, 3, 128, 5, 9, 12}, |
| 147 | {AIC32X4_FREQ_24000000, 16000, 2, 7, 6800, 384, 15, 1, 64, 18, 5, 12}, |
| 148 | {AIC32X4_FREQ_25000000, 16000, 2, 7, 3728, 384, 15, 1, 64, 18, 5, 12}, |
| 149 | /* 22.05k rate */ |
| 150 | {AIC32X4_FREQ_12000000, 22050, 1, 7, 5264, 256, 4, 4, 128, 4, 8, 8}, |
| 151 | {AIC32X4_FREQ_24000000, 22050, 2, 7, 5264, 256, 16, 1, 64, 16, 4, 8}, |
| 152 | {AIC32X4_FREQ_25000000, 22050, 2, 7, 2253, 256, 16, 1, 64, 16, 4, 8}, |
| 153 | /* 32k rate */ |
| 154 | {AIC32X4_FREQ_12000000, 32000, 1, 7, 1680, 192, 2, 7, 64, 2, 21, 6}, |
| 155 | {AIC32X4_FREQ_24000000, 32000, 2, 7, 1680, 192, 7, 2, 64, 7, 6, 6}, |
| 156 | /* 44.1k rate */ |
| 157 | {AIC32X4_FREQ_12000000, 44100, 1, 7, 5264, 128, 2, 8, 128, 2, 8, 4}, |
| 158 | {AIC32X4_FREQ_24000000, 44100, 2, 7, 5264, 128, 8, 2, 64, 8, 4, 4}, |
| 159 | {AIC32X4_FREQ_25000000, 44100, 2, 7, 2253, 128, 8, 2, 64, 8, 4, 4}, |
| 160 | /* 48k rate */ |
| 161 | {AIC32X4_FREQ_12000000, 48000, 1, 8, 1920, 128, 2, 8, 128, 2, 8, 4}, |
| 162 | {AIC32X4_FREQ_24000000, 48000, 2, 8, 1920, 128, 8, 2, 64, 8, 4, 4}, |
| 163 | {AIC32X4_FREQ_25000000, 48000, 2, 7, 8643, 128, 8, 2, 64, 8, 4, 4} |
| 164 | }; |
| 165 | |
| 166 | static const struct snd_kcontrol_new hpl_output_mixer_controls[] = { |
| 167 | SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0), |
| 168 | SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0), |
| 169 | }; |
| 170 | |
| 171 | static const struct snd_kcontrol_new hpr_output_mixer_controls[] = { |
| 172 | SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0), |
| 173 | SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0), |
| 174 | }; |
| 175 | |
| 176 | static const struct snd_kcontrol_new lol_output_mixer_controls[] = { |
| 177 | SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0), |
| 178 | }; |
| 179 | |
| 180 | static const struct snd_kcontrol_new lor_output_mixer_controls[] = { |
| 181 | SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0), |
| 182 | }; |
| 183 | |
| 184 | static const struct snd_kcontrol_new left_input_mixer_controls[] = { |
| 185 | SOC_DAPM_SINGLE("IN1_L P Switch", AIC32X4_LMICPGAPIN, 6, 1, 0), |
| 186 | SOC_DAPM_SINGLE("IN2_L P Switch", AIC32X4_LMICPGAPIN, 4, 1, 0), |
| 187 | SOC_DAPM_SINGLE("IN3_L P Switch", AIC32X4_LMICPGAPIN, 2, 1, 0), |
| 188 | }; |
| 189 | |
| 190 | static const struct snd_kcontrol_new right_input_mixer_controls[] = { |
| 191 | SOC_DAPM_SINGLE("IN1_R P Switch", AIC32X4_RMICPGAPIN, 6, 1, 0), |
| 192 | SOC_DAPM_SINGLE("IN2_R P Switch", AIC32X4_RMICPGAPIN, 4, 1, 0), |
| 193 | SOC_DAPM_SINGLE("IN3_R P Switch", AIC32X4_RMICPGAPIN, 2, 1, 0), |
| 194 | }; |
| 195 | |
| 196 | static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { |
| 197 | SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0), |
| 198 | SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0, |
| 199 | &hpl_output_mixer_controls[0], |
| 200 | ARRAY_SIZE(hpl_output_mixer_controls)), |
| 201 | SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0), |
| 202 | |
| 203 | SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0, |
| 204 | &lol_output_mixer_controls[0], |
| 205 | ARRAY_SIZE(lol_output_mixer_controls)), |
| 206 | SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0), |
| 207 | |
| 208 | SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0), |
| 209 | SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0, |
| 210 | &hpr_output_mixer_controls[0], |
| 211 | ARRAY_SIZE(hpr_output_mixer_controls)), |
| 212 | SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0), |
| 213 | SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0, |
| 214 | &lor_output_mixer_controls[0], |
| 215 | ARRAY_SIZE(lor_output_mixer_controls)), |
| 216 | SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0), |
| 217 | SND_SOC_DAPM_MIXER("Left Input Mixer", SND_SOC_NOPM, 0, 0, |
| 218 | &left_input_mixer_controls[0], |
| 219 | ARRAY_SIZE(left_input_mixer_controls)), |
| 220 | SND_SOC_DAPM_MIXER("Right Input Mixer", SND_SOC_NOPM, 0, 0, |
| 221 | &right_input_mixer_controls[0], |
| 222 | ARRAY_SIZE(right_input_mixer_controls)), |
| 223 | SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0), |
| 224 | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0), |
| 225 | SND_SOC_DAPM_MICBIAS("Mic Bias", AIC32X4_MICBIAS, 6, 0), |
| 226 | |
| 227 | SND_SOC_DAPM_OUTPUT("HPL"), |
| 228 | SND_SOC_DAPM_OUTPUT("HPR"), |
| 229 | SND_SOC_DAPM_OUTPUT("LOL"), |
| 230 | SND_SOC_DAPM_OUTPUT("LOR"), |
| 231 | SND_SOC_DAPM_INPUT("IN1_L"), |
| 232 | SND_SOC_DAPM_INPUT("IN1_R"), |
| 233 | SND_SOC_DAPM_INPUT("IN2_L"), |
| 234 | SND_SOC_DAPM_INPUT("IN2_R"), |
| 235 | SND_SOC_DAPM_INPUT("IN3_L"), |
| 236 | SND_SOC_DAPM_INPUT("IN3_R"), |
| 237 | }; |
| 238 | |
| 239 | static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = { |
| 240 | /* Left Output */ |
| 241 | {"HPL Output Mixer", "L_DAC Switch", "Left DAC"}, |
| 242 | {"HPL Output Mixer", "IN1_L Switch", "IN1_L"}, |
| 243 | |
| 244 | {"HPL Power", NULL, "HPL Output Mixer"}, |
| 245 | {"HPL", NULL, "HPL Power"}, |
| 246 | |
| 247 | {"LOL Output Mixer", "L_DAC Switch", "Left DAC"}, |
| 248 | |
| 249 | {"LOL Power", NULL, "LOL Output Mixer"}, |
| 250 | {"LOL", NULL, "LOL Power"}, |
| 251 | |
| 252 | /* Right Output */ |
| 253 | {"HPR Output Mixer", "R_DAC Switch", "Right DAC"}, |
| 254 | {"HPR Output Mixer", "IN1_R Switch", "IN1_R"}, |
| 255 | |
| 256 | {"HPR Power", NULL, "HPR Output Mixer"}, |
| 257 | {"HPR", NULL, "HPR Power"}, |
| 258 | |
| 259 | {"LOR Output Mixer", "R_DAC Switch", "Right DAC"}, |
| 260 | |
| 261 | {"LOR Power", NULL, "LOR Output Mixer"}, |
| 262 | {"LOR", NULL, "LOR Power"}, |
| 263 | |
| 264 | /* Left input */ |
| 265 | {"Left Input Mixer", "IN1_L P Switch", "IN1_L"}, |
| 266 | {"Left Input Mixer", "IN2_L P Switch", "IN2_L"}, |
| 267 | {"Left Input Mixer", "IN3_L P Switch", "IN3_L"}, |
| 268 | |
| 269 | {"Left ADC", NULL, "Left Input Mixer"}, |
| 270 | |
| 271 | /* Right Input */ |
| 272 | {"Right Input Mixer", "IN1_R P Switch", "IN1_R"}, |
| 273 | {"Right Input Mixer", "IN2_R P Switch", "IN2_R"}, |
| 274 | {"Right Input Mixer", "IN3_R P Switch", "IN3_R"}, |
| 275 | |
| 276 | {"Right ADC", NULL, "Right Input Mixer"}, |
| 277 | }; |
| 278 | |
Mark Brown | 4d208ca | 2013-09-25 11:37:53 +0100 | [diff] [blame] | 279 | static const struct regmap_range_cfg aic32x4_regmap_pages[] = { |
| 280 | { |
| 281 | .selector_reg = 0, |
| 282 | .selector_mask = 0xff, |
| 283 | .window_start = 0, |
| 284 | .window_len = 128, |
Markus Pargmann | e8e08c5 | 2014-01-15 18:12:40 +0100 | [diff] [blame] | 285 | .range_min = 0, |
Markus Pargmann | 6d0d510 | 2014-01-11 14:48:30 +0100 | [diff] [blame] | 286 | .range_max = AIC32X4_RMICPGAVOL, |
Mark Brown | 4d208ca | 2013-09-25 11:37:53 +0100 | [diff] [blame] | 287 | }, |
| 288 | }; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 289 | |
Mark Brown | 4d208ca | 2013-09-25 11:37:53 +0100 | [diff] [blame] | 290 | static const struct regmap_config aic32x4_regmap = { |
| 291 | .reg_bits = 8, |
| 292 | .val_bits = 8, |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 293 | |
Mark Brown | 4d208ca | 2013-09-25 11:37:53 +0100 | [diff] [blame] | 294 | .max_register = AIC32X4_RMICPGAVOL, |
| 295 | .ranges = aic32x4_regmap_pages, |
| 296 | .num_ranges = ARRAY_SIZE(aic32x4_regmap_pages), |
| 297 | }; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 298 | |
| 299 | static inline int aic32x4_get_divs(int mclk, int rate) |
| 300 | { |
| 301 | int i; |
| 302 | |
| 303 | for (i = 0; i < ARRAY_SIZE(aic32x4_divs); i++) { |
| 304 | if ((aic32x4_divs[i].rate == rate) |
| 305 | && (aic32x4_divs[i].mclk == mclk)) { |
| 306 | return i; |
| 307 | } |
| 308 | } |
| 309 | printk(KERN_ERR "aic32x4: master clock and sample rate is not supported\n"); |
| 310 | return -EINVAL; |
| 311 | } |
| 312 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 313 | static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai, |
| 314 | int clk_id, unsigned int freq, int dir) |
| 315 | { |
| 316 | struct snd_soc_codec *codec = codec_dai->codec; |
| 317 | struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); |
| 318 | |
| 319 | switch (freq) { |
| 320 | case AIC32X4_FREQ_12000000: |
| 321 | case AIC32X4_FREQ_24000000: |
| 322 | case AIC32X4_FREQ_25000000: |
| 323 | aic32x4->sysclk = freq; |
| 324 | return 0; |
| 325 | } |
| 326 | printk(KERN_ERR "aic32x4: invalid frequency to set DAI system clock\n"); |
| 327 | return -EINVAL; |
| 328 | } |
| 329 | |
| 330 | static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) |
| 331 | { |
| 332 | struct snd_soc_codec *codec = codec_dai->codec; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 333 | u8 iface_reg_1; |
| 334 | u8 iface_reg_2; |
| 335 | u8 iface_reg_3; |
| 336 | |
| 337 | iface_reg_1 = snd_soc_read(codec, AIC32X4_IFACE1); |
| 338 | iface_reg_1 = iface_reg_1 & ~(3 << 6 | 3 << 2); |
| 339 | iface_reg_2 = snd_soc_read(codec, AIC32X4_IFACE2); |
| 340 | iface_reg_2 = 0; |
| 341 | iface_reg_3 = snd_soc_read(codec, AIC32X4_IFACE3); |
| 342 | iface_reg_3 = iface_reg_3 & ~(1 << 3); |
| 343 | |
| 344 | /* set master/slave audio interface */ |
| 345 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { |
| 346 | case SND_SOC_DAIFMT_CBM_CFM: |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 347 | iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER; |
| 348 | break; |
| 349 | case SND_SOC_DAIFMT_CBS_CFS: |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 350 | break; |
| 351 | default: |
| 352 | printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n"); |
| 353 | return -EINVAL; |
| 354 | } |
| 355 | |
| 356 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
| 357 | case SND_SOC_DAIFMT_I2S: |
| 358 | break; |
| 359 | case SND_SOC_DAIFMT_DSP_A: |
| 360 | iface_reg_1 |= (AIC32X4_DSP_MODE << AIC32X4_PLLJ_SHIFT); |
| 361 | iface_reg_3 |= (1 << 3); /* invert bit clock */ |
| 362 | iface_reg_2 = 0x01; /* add offset 1 */ |
| 363 | break; |
| 364 | case SND_SOC_DAIFMT_DSP_B: |
| 365 | iface_reg_1 |= (AIC32X4_DSP_MODE << AIC32X4_PLLJ_SHIFT); |
| 366 | iface_reg_3 |= (1 << 3); /* invert bit clock */ |
| 367 | break; |
| 368 | case SND_SOC_DAIFMT_RIGHT_J: |
| 369 | iface_reg_1 |= |
| 370 | (AIC32X4_RIGHT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT); |
| 371 | break; |
| 372 | case SND_SOC_DAIFMT_LEFT_J: |
| 373 | iface_reg_1 |= |
| 374 | (AIC32X4_LEFT_JUSTIFIED_MODE << AIC32X4_PLLJ_SHIFT); |
| 375 | break; |
| 376 | default: |
| 377 | printk(KERN_ERR "aic32x4: invalid DAI interface format\n"); |
| 378 | return -EINVAL; |
| 379 | } |
| 380 | |
| 381 | snd_soc_write(codec, AIC32X4_IFACE1, iface_reg_1); |
| 382 | snd_soc_write(codec, AIC32X4_IFACE2, iface_reg_2); |
| 383 | snd_soc_write(codec, AIC32X4_IFACE3, iface_reg_3); |
| 384 | return 0; |
| 385 | } |
| 386 | |
| 387 | static int aic32x4_hw_params(struct snd_pcm_substream *substream, |
| 388 | struct snd_pcm_hw_params *params, |
| 389 | struct snd_soc_dai *dai) |
| 390 | { |
| 391 | struct snd_soc_codec *codec = dai->codec; |
| 392 | struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); |
| 393 | u8 data; |
| 394 | int i; |
| 395 | |
| 396 | i = aic32x4_get_divs(aic32x4->sysclk, params_rate(params)); |
| 397 | if (i < 0) { |
| 398 | printk(KERN_ERR "aic32x4: sampling rate not supported\n"); |
| 399 | return i; |
| 400 | } |
| 401 | |
| 402 | /* Use PLL as CODEC_CLKIN and DAC_MOD_CLK as BDIV_CLKIN */ |
| 403 | snd_soc_write(codec, AIC32X4_CLKMUX, AIC32X4_PLLCLKIN); |
| 404 | snd_soc_write(codec, AIC32X4_IFACE3, AIC32X4_DACMOD2BCLK); |
| 405 | |
| 406 | /* We will fix R value to 1 and will make P & J=K.D as varialble */ |
| 407 | data = snd_soc_read(codec, AIC32X4_PLLPR); |
| 408 | data &= ~(7 << 4); |
| 409 | snd_soc_write(codec, AIC32X4_PLLPR, |
| 410 | (data | (aic32x4_divs[i].p_val << 4) | 0x01)); |
| 411 | |
| 412 | snd_soc_write(codec, AIC32X4_PLLJ, aic32x4_divs[i].pll_j); |
| 413 | |
| 414 | snd_soc_write(codec, AIC32X4_PLLDMSB, (aic32x4_divs[i].pll_d >> 8)); |
| 415 | snd_soc_write(codec, AIC32X4_PLLDLSB, |
| 416 | (aic32x4_divs[i].pll_d & 0xff)); |
| 417 | |
| 418 | /* NDAC divider value */ |
| 419 | data = snd_soc_read(codec, AIC32X4_NDAC); |
| 420 | data &= ~(0x7f); |
| 421 | snd_soc_write(codec, AIC32X4_NDAC, data | aic32x4_divs[i].ndac); |
| 422 | |
| 423 | /* MDAC divider value */ |
| 424 | data = snd_soc_read(codec, AIC32X4_MDAC); |
| 425 | data &= ~(0x7f); |
| 426 | snd_soc_write(codec, AIC32X4_MDAC, data | aic32x4_divs[i].mdac); |
| 427 | |
| 428 | /* DOSR MSB & LSB values */ |
| 429 | snd_soc_write(codec, AIC32X4_DOSRMSB, aic32x4_divs[i].dosr >> 8); |
| 430 | snd_soc_write(codec, AIC32X4_DOSRLSB, |
| 431 | (aic32x4_divs[i].dosr & 0xff)); |
| 432 | |
| 433 | /* NADC divider value */ |
| 434 | data = snd_soc_read(codec, AIC32X4_NADC); |
| 435 | data &= ~(0x7f); |
| 436 | snd_soc_write(codec, AIC32X4_NADC, data | aic32x4_divs[i].nadc); |
| 437 | |
| 438 | /* MADC divider value */ |
| 439 | data = snd_soc_read(codec, AIC32X4_MADC); |
| 440 | data &= ~(0x7f); |
| 441 | snd_soc_write(codec, AIC32X4_MADC, data | aic32x4_divs[i].madc); |
| 442 | |
| 443 | /* AOSR value */ |
| 444 | snd_soc_write(codec, AIC32X4_AOSR, aic32x4_divs[i].aosr); |
| 445 | |
| 446 | /* BCLK N divider */ |
| 447 | data = snd_soc_read(codec, AIC32X4_BCLKN); |
| 448 | data &= ~(0x7f); |
| 449 | snd_soc_write(codec, AIC32X4_BCLKN, data | aic32x4_divs[i].blck_N); |
| 450 | |
| 451 | data = snd_soc_read(codec, AIC32X4_IFACE1); |
| 452 | data = data & ~(3 << 4); |
Mark Brown | bd8a571 | 2014-07-31 12:48:27 +0100 | [diff] [blame] | 453 | switch (params_width(params)) { |
| 454 | case 16: |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 455 | break; |
Mark Brown | bd8a571 | 2014-07-31 12:48:27 +0100 | [diff] [blame] | 456 | case 20: |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 457 | data |= (AIC32X4_WORD_LEN_20BITS << AIC32X4_DOSRMSB_SHIFT); |
| 458 | break; |
Mark Brown | bd8a571 | 2014-07-31 12:48:27 +0100 | [diff] [blame] | 459 | case 24: |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 460 | data |= (AIC32X4_WORD_LEN_24BITS << AIC32X4_DOSRMSB_SHIFT); |
| 461 | break; |
Mark Brown | bd8a571 | 2014-07-31 12:48:27 +0100 | [diff] [blame] | 462 | case 32: |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 463 | data |= (AIC32X4_WORD_LEN_32BITS << AIC32X4_DOSRMSB_SHIFT); |
| 464 | break; |
| 465 | } |
| 466 | snd_soc_write(codec, AIC32X4_IFACE1, data); |
| 467 | |
Markus Pargmann | b44aa40 | 2014-01-27 13:03:05 +0100 | [diff] [blame] | 468 | if (params_channels(params) == 1) { |
| 469 | data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN; |
| 470 | } else { |
| 471 | if (aic32x4->swapdacs) |
| 472 | data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN; |
| 473 | else |
| 474 | data = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN; |
| 475 | } |
| 476 | snd_soc_update_bits(codec, AIC32X4_DACSETUP, AIC32X4_DAC_CHAN_MASK, |
| 477 | data); |
| 478 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 479 | return 0; |
| 480 | } |
| 481 | |
| 482 | static int aic32x4_mute(struct snd_soc_dai *dai, int mute) |
| 483 | { |
| 484 | struct snd_soc_codec *codec = dai->codec; |
| 485 | u8 dac_reg; |
| 486 | |
| 487 | dac_reg = snd_soc_read(codec, AIC32X4_DACMUTE) & ~AIC32X4_MUTEON; |
| 488 | if (mute) |
| 489 | snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg | AIC32X4_MUTEON); |
| 490 | else |
| 491 | snd_soc_write(codec, AIC32X4_DACMUTE, dac_reg); |
| 492 | return 0; |
| 493 | } |
| 494 | |
| 495 | static int aic32x4_set_bias_level(struct snd_soc_codec *codec, |
| 496 | enum snd_soc_bias_level level) |
| 497 | { |
Markus Pargmann | 98b664e | 2014-02-20 18:22:58 +0100 | [diff] [blame] | 498 | struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); |
| 499 | int ret; |
| 500 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 501 | switch (level) { |
| 502 | case SND_SOC_BIAS_ON: |
Markus Pargmann | 98b664e | 2014-02-20 18:22:58 +0100 | [diff] [blame] | 503 | /* Switch on master clock */ |
| 504 | ret = clk_prepare_enable(aic32x4->mclk); |
| 505 | if (ret) { |
| 506 | dev_err(codec->dev, "Failed to enable master clock\n"); |
| 507 | return ret; |
| 508 | } |
| 509 | |
Wolfram Sang | 01b37e9 | 2012-01-18 11:48:58 +0100 | [diff] [blame] | 510 | /* Switch on PLL */ |
| 511 | snd_soc_update_bits(codec, AIC32X4_PLLPR, |
| 512 | AIC32X4_PLLEN, AIC32X4_PLLEN); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 513 | |
Wolfram Sang | 01b37e9 | 2012-01-18 11:48:58 +0100 | [diff] [blame] | 514 | /* Switch on NDAC Divider */ |
| 515 | snd_soc_update_bits(codec, AIC32X4_NDAC, |
| 516 | AIC32X4_NDACEN, AIC32X4_NDACEN); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 517 | |
Wolfram Sang | 01b37e9 | 2012-01-18 11:48:58 +0100 | [diff] [blame] | 518 | /* Switch on MDAC Divider */ |
| 519 | snd_soc_update_bits(codec, AIC32X4_MDAC, |
| 520 | AIC32X4_MDACEN, AIC32X4_MDACEN); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 521 | |
Wolfram Sang | 01b37e9 | 2012-01-18 11:48:58 +0100 | [diff] [blame] | 522 | /* Switch on NADC Divider */ |
| 523 | snd_soc_update_bits(codec, AIC32X4_NADC, |
| 524 | AIC32X4_NADCEN, AIC32X4_NADCEN); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 525 | |
Wolfram Sang | 01b37e9 | 2012-01-18 11:48:58 +0100 | [diff] [blame] | 526 | /* Switch on MADC Divider */ |
| 527 | snd_soc_update_bits(codec, AIC32X4_MADC, |
| 528 | AIC32X4_MADCEN, AIC32X4_MADCEN); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 529 | |
Wolfram Sang | 01b37e9 | 2012-01-18 11:48:58 +0100 | [diff] [blame] | 530 | /* Switch on BCLK_N Divider */ |
| 531 | snd_soc_update_bits(codec, AIC32X4_BCLKN, |
| 532 | AIC32X4_BCLKEN, AIC32X4_BCLKEN); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 533 | break; |
| 534 | case SND_SOC_BIAS_PREPARE: |
| 535 | break; |
| 536 | case SND_SOC_BIAS_STANDBY: |
Markus Pargmann | 3154cc7 | 2014-02-20 18:23:00 +0100 | [diff] [blame] | 537 | /* Switch off BCLK_N Divider */ |
| 538 | snd_soc_update_bits(codec, AIC32X4_BCLKN, |
| 539 | AIC32X4_BCLKEN, 0); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 540 | |
Wolfram Sang | 01b37e9 | 2012-01-18 11:48:58 +0100 | [diff] [blame] | 541 | /* Switch off MADC Divider */ |
| 542 | snd_soc_update_bits(codec, AIC32X4_MADC, |
| 543 | AIC32X4_MADCEN, 0); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 544 | |
Markus Pargmann | 3154cc7 | 2014-02-20 18:23:00 +0100 | [diff] [blame] | 545 | /* Switch off NADC Divider */ |
| 546 | snd_soc_update_bits(codec, AIC32X4_NADC, |
| 547 | AIC32X4_NADCEN, 0); |
| 548 | |
| 549 | /* Switch off MDAC Divider */ |
| 550 | snd_soc_update_bits(codec, AIC32X4_MDAC, |
| 551 | AIC32X4_MDACEN, 0); |
| 552 | |
| 553 | /* Switch off NDAC Divider */ |
| 554 | snd_soc_update_bits(codec, AIC32X4_NDAC, |
| 555 | AIC32X4_NDACEN, 0); |
| 556 | |
| 557 | /* Switch off PLL */ |
| 558 | snd_soc_update_bits(codec, AIC32X4_PLLPR, |
| 559 | AIC32X4_PLLEN, 0); |
Markus Pargmann | 98b664e | 2014-02-20 18:22:58 +0100 | [diff] [blame] | 560 | |
| 561 | /* Switch off master clock */ |
| 562 | clk_disable_unprepare(aic32x4->mclk); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 563 | break; |
| 564 | case SND_SOC_BIAS_OFF: |
| 565 | break; |
| 566 | } |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 567 | return 0; |
| 568 | } |
| 569 | |
| 570 | #define AIC32X4_RATES SNDRV_PCM_RATE_8000_48000 |
| 571 | #define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \ |
| 572 | | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) |
| 573 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 574 | static const struct snd_soc_dai_ops aic32x4_ops = { |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 575 | .hw_params = aic32x4_hw_params, |
| 576 | .digital_mute = aic32x4_mute, |
| 577 | .set_fmt = aic32x4_set_dai_fmt, |
| 578 | .set_sysclk = aic32x4_set_dai_sysclk, |
| 579 | }; |
| 580 | |
| 581 | static struct snd_soc_dai_driver aic32x4_dai = { |
| 582 | .name = "tlv320aic32x4-hifi", |
| 583 | .playback = { |
| 584 | .stream_name = "Playback", |
| 585 | .channels_min = 1, |
| 586 | .channels_max = 2, |
| 587 | .rates = AIC32X4_RATES, |
| 588 | .formats = AIC32X4_FORMATS,}, |
| 589 | .capture = { |
| 590 | .stream_name = "Capture", |
| 591 | .channels_min = 1, |
| 592 | .channels_max = 2, |
| 593 | .rates = AIC32X4_RATES, |
| 594 | .formats = AIC32X4_FORMATS,}, |
| 595 | .ops = &aic32x4_ops, |
| 596 | .symmetric_rates = 1, |
| 597 | }; |
| 598 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 599 | static int aic32x4_probe(struct snd_soc_codec *codec) |
| 600 | { |
| 601 | struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); |
| 602 | u32 tmp_reg; |
| 603 | |
Markus Pargmann | a74ab51 | 2014-01-16 16:30:25 +0100 | [diff] [blame] | 604 | if (gpio_is_valid(aic32x4->rstn_gpio)) { |
Javier Martin | 1858fe9 | 2012-10-31 11:53:34 +0100 | [diff] [blame] | 605 | ndelay(10); |
| 606 | gpio_set_value(aic32x4->rstn_gpio, 1); |
| 607 | } |
| 608 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 609 | snd_soc_write(codec, AIC32X4_RESET, 0x01); |
| 610 | |
| 611 | /* Power platform configuration */ |
| 612 | if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) { |
| 613 | snd_soc_write(codec, AIC32X4_MICBIAS, AIC32X4_MICBIAS_LDOIN | |
| 614 | AIC32X4_MICBIAS_2075V); |
| 615 | } |
Shahina Shaik | eb72cbd | 2014-06-13 11:18:47 +0530 | [diff] [blame] | 616 | if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE) |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 617 | snd_soc_write(codec, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE); |
Wolfram Sang | 0c93a16 | 2012-01-18 11:48:59 +0100 | [diff] [blame] | 618 | |
| 619 | tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ? |
| 620 | AIC32X4_LDOCTLEN : 0; |
| 621 | snd_soc_write(codec, AIC32X4_LDOCTL, tmp_reg); |
| 622 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 623 | tmp_reg = snd_soc_read(codec, AIC32X4_CMMODE); |
Shahina Shaik | eb72cbd | 2014-06-13 11:18:47 +0530 | [diff] [blame] | 624 | if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36) |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 625 | tmp_reg |= AIC32X4_LDOIN_18_36; |
Shahina Shaik | eb72cbd | 2014-06-13 11:18:47 +0530 | [diff] [blame] | 626 | if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED) |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 627 | tmp_reg |= AIC32X4_LDOIN2HP; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 628 | snd_soc_write(codec, AIC32X4_CMMODE, tmp_reg); |
| 629 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 630 | /* Mic PGA routing */ |
Markus Pargmann | 609e602 | 2014-01-27 13:03:06 +0100 | [diff] [blame] | 631 | if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K) |
Shahina Shaik | 43bf38b | 2014-06-13 11:18:48 +0530 | [diff] [blame] | 632 | snd_soc_write(codec, AIC32X4_LMICPGANIN, |
| 633 | AIC32X4_LMICPGANIN_IN2R_10K); |
Markus Pargmann | 609e602 | 2014-01-27 13:03:06 +0100 | [diff] [blame] | 634 | else |
Shahina Shaik | 43bf38b | 2014-06-13 11:18:48 +0530 | [diff] [blame] | 635 | snd_soc_write(codec, AIC32X4_LMICPGANIN, |
| 636 | AIC32X4_LMICPGANIN_CM1L_10K); |
Markus Pargmann | 609e602 | 2014-01-27 13:03:06 +0100 | [diff] [blame] | 637 | if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K) |
Shahina Shaik | 43bf38b | 2014-06-13 11:18:48 +0530 | [diff] [blame] | 638 | snd_soc_write(codec, AIC32X4_RMICPGANIN, |
| 639 | AIC32X4_RMICPGANIN_IN1L_10K); |
Markus Pargmann | 609e602 | 2014-01-27 13:03:06 +0100 | [diff] [blame] | 640 | else |
Shahina Shaik | 43bf38b | 2014-06-13 11:18:48 +0530 | [diff] [blame] | 641 | snd_soc_write(codec, AIC32X4_RMICPGANIN, |
| 642 | AIC32X4_RMICPGANIN_CM1R_10K); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 643 | |
Javier Martin | a405387 | 2012-10-31 11:53:33 +0100 | [diff] [blame] | 644 | /* |
| 645 | * Workaround: for an unknown reason, the ADC needs to be powered up |
| 646 | * and down for the first capture to work properly. It seems related to |
| 647 | * a HW BUG or some kind of behavior not documented in the datasheet. |
| 648 | */ |
| 649 | tmp_reg = snd_soc_read(codec, AIC32X4_ADCSETUP); |
| 650 | snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg | |
| 651 | AIC32X4_LADC_EN | AIC32X4_RADC_EN); |
| 652 | snd_soc_write(codec, AIC32X4_ADCSETUP, tmp_reg); |
| 653 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 654 | return 0; |
| 655 | } |
| 656 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 657 | static struct snd_soc_codec_driver soc_codec_dev_aic32x4 = { |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 658 | .probe = aic32x4_probe, |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 659 | .set_bias_level = aic32x4_set_bias_level, |
Lars-Peter Clausen | f10c0a7 | 2014-11-26 20:57:56 +0100 | [diff] [blame] | 660 | .suspend_bias_off = true, |
Lars-Peter Clausen | aac97b5 | 2013-08-27 15:50:56 +0200 | [diff] [blame] | 661 | |
| 662 | .controls = aic32x4_snd_controls, |
| 663 | .num_controls = ARRAY_SIZE(aic32x4_snd_controls), |
| 664 | .dapm_widgets = aic32x4_dapm_widgets, |
| 665 | .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets), |
| 666 | .dapm_routes = aic32x4_dapm_routes, |
| 667 | .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes), |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 668 | }; |
| 669 | |
Markus Pargmann | 4d16700 | 2014-01-27 13:03:08 +0100 | [diff] [blame] | 670 | static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4, |
| 671 | struct device_node *np) |
| 672 | { |
| 673 | aic32x4->swapdacs = false; |
| 674 | aic32x4->micpga_routing = 0; |
| 675 | aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0); |
| 676 | |
| 677 | return 0; |
| 678 | } |
| 679 | |
Markus Pargmann | 239b669 | 2014-02-20 18:22:59 +0100 | [diff] [blame] | 680 | static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4) |
| 681 | { |
| 682 | regulator_disable(aic32x4->supply_iov); |
| 683 | |
| 684 | if (!IS_ERR(aic32x4->supply_ldo)) |
| 685 | regulator_disable(aic32x4->supply_ldo); |
| 686 | |
| 687 | if (!IS_ERR(aic32x4->supply_dv)) |
| 688 | regulator_disable(aic32x4->supply_dv); |
| 689 | |
| 690 | if (!IS_ERR(aic32x4->supply_av)) |
| 691 | regulator_disable(aic32x4->supply_av); |
| 692 | } |
| 693 | |
| 694 | static int aic32x4_setup_regulators(struct device *dev, |
| 695 | struct aic32x4_priv *aic32x4) |
| 696 | { |
| 697 | int ret = 0; |
| 698 | |
| 699 | aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin"); |
| 700 | aic32x4->supply_iov = devm_regulator_get(dev, "iov"); |
| 701 | aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv"); |
| 702 | aic32x4->supply_av = devm_regulator_get_optional(dev, "av"); |
| 703 | |
| 704 | /* Check if the regulator requirements are fulfilled */ |
| 705 | |
| 706 | if (IS_ERR(aic32x4->supply_iov)) { |
| 707 | dev_err(dev, "Missing supply 'iov'\n"); |
| 708 | return PTR_ERR(aic32x4->supply_iov); |
| 709 | } |
| 710 | |
| 711 | if (IS_ERR(aic32x4->supply_ldo)) { |
| 712 | if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER) |
| 713 | return -EPROBE_DEFER; |
| 714 | |
| 715 | if (IS_ERR(aic32x4->supply_dv)) { |
| 716 | dev_err(dev, "Missing supply 'dv' or 'ldoin'\n"); |
| 717 | return PTR_ERR(aic32x4->supply_dv); |
| 718 | } |
| 719 | if (IS_ERR(aic32x4->supply_av)) { |
| 720 | dev_err(dev, "Missing supply 'av' or 'ldoin'\n"); |
| 721 | return PTR_ERR(aic32x4->supply_av); |
| 722 | } |
| 723 | } else { |
| 724 | if (IS_ERR(aic32x4->supply_dv) && |
| 725 | PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER) |
| 726 | return -EPROBE_DEFER; |
| 727 | if (IS_ERR(aic32x4->supply_av) && |
| 728 | PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER) |
| 729 | return -EPROBE_DEFER; |
| 730 | } |
| 731 | |
| 732 | ret = regulator_enable(aic32x4->supply_iov); |
| 733 | if (ret) { |
| 734 | dev_err(dev, "Failed to enable regulator iov\n"); |
| 735 | return ret; |
| 736 | } |
| 737 | |
| 738 | if (!IS_ERR(aic32x4->supply_ldo)) { |
| 739 | ret = regulator_enable(aic32x4->supply_ldo); |
| 740 | if (ret) { |
| 741 | dev_err(dev, "Failed to enable regulator ldo\n"); |
| 742 | goto error_ldo; |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | if (!IS_ERR(aic32x4->supply_dv)) { |
| 747 | ret = regulator_enable(aic32x4->supply_dv); |
| 748 | if (ret) { |
| 749 | dev_err(dev, "Failed to enable regulator dv\n"); |
| 750 | goto error_dv; |
| 751 | } |
| 752 | } |
| 753 | |
| 754 | if (!IS_ERR(aic32x4->supply_av)) { |
| 755 | ret = regulator_enable(aic32x4->supply_av); |
| 756 | if (ret) { |
| 757 | dev_err(dev, "Failed to enable regulator av\n"); |
| 758 | goto error_av; |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av)) |
| 763 | aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE; |
| 764 | |
| 765 | return 0; |
| 766 | |
| 767 | error_av: |
| 768 | if (!IS_ERR(aic32x4->supply_dv)) |
| 769 | regulator_disable(aic32x4->supply_dv); |
| 770 | |
| 771 | error_dv: |
| 772 | if (!IS_ERR(aic32x4->supply_ldo)) |
| 773 | regulator_disable(aic32x4->supply_ldo); |
| 774 | |
| 775 | error_ldo: |
| 776 | regulator_disable(aic32x4->supply_iov); |
| 777 | return ret; |
| 778 | } |
| 779 | |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 780 | static int aic32x4_i2c_probe(struct i2c_client *i2c, |
| 781 | const struct i2c_device_id *id) |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 782 | { |
| 783 | struct aic32x4_pdata *pdata = i2c->dev.platform_data; |
| 784 | struct aic32x4_priv *aic32x4; |
Markus Pargmann | 4d16700 | 2014-01-27 13:03:08 +0100 | [diff] [blame] | 785 | struct device_node *np = i2c->dev.of_node; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 786 | int ret; |
| 787 | |
Axel Lin | 658ecf7 | 2011-12-26 20:57:24 +0800 | [diff] [blame] | 788 | aic32x4 = devm_kzalloc(&i2c->dev, sizeof(struct aic32x4_priv), |
| 789 | GFP_KERNEL); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 790 | if (aic32x4 == NULL) |
| 791 | return -ENOMEM; |
| 792 | |
Mark Brown | 4d208ca | 2013-09-25 11:37:53 +0100 | [diff] [blame] | 793 | aic32x4->regmap = devm_regmap_init_i2c(i2c, &aic32x4_regmap); |
| 794 | if (IS_ERR(aic32x4->regmap)) |
| 795 | return PTR_ERR(aic32x4->regmap); |
| 796 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 797 | i2c_set_clientdata(i2c, aic32x4); |
| 798 | |
| 799 | if (pdata) { |
| 800 | aic32x4->power_cfg = pdata->power_cfg; |
| 801 | aic32x4->swapdacs = pdata->swapdacs; |
| 802 | aic32x4->micpga_routing = pdata->micpga_routing; |
Javier Martin | 1858fe9 | 2012-10-31 11:53:34 +0100 | [diff] [blame] | 803 | aic32x4->rstn_gpio = pdata->rstn_gpio; |
Markus Pargmann | 4d16700 | 2014-01-27 13:03:08 +0100 | [diff] [blame] | 804 | } else if (np) { |
| 805 | ret = aic32x4_parse_dt(aic32x4, np); |
| 806 | if (ret) { |
| 807 | dev_err(&i2c->dev, "Failed to parse DT node\n"); |
| 808 | return ret; |
| 809 | } |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 810 | } else { |
| 811 | aic32x4->power_cfg = 0; |
| 812 | aic32x4->swapdacs = false; |
| 813 | aic32x4->micpga_routing = 0; |
Javier Martin | 1858fe9 | 2012-10-31 11:53:34 +0100 | [diff] [blame] | 814 | aic32x4->rstn_gpio = -1; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 815 | } |
| 816 | |
Markus Pargmann | 98b664e | 2014-02-20 18:22:58 +0100 | [diff] [blame] | 817 | aic32x4->mclk = devm_clk_get(&i2c->dev, "mclk"); |
| 818 | if (IS_ERR(aic32x4->mclk)) { |
| 819 | dev_err(&i2c->dev, "Failed getting the mclk. The current implementation does not support the usage of this codec without mclk\n"); |
| 820 | return PTR_ERR(aic32x4->mclk); |
| 821 | } |
| 822 | |
Markus Pargmann | a74ab51 | 2014-01-16 16:30:25 +0100 | [diff] [blame] | 823 | if (gpio_is_valid(aic32x4->rstn_gpio)) { |
Mark Brown | 752b776 | 2013-09-25 11:36:26 +0100 | [diff] [blame] | 824 | ret = devm_gpio_request_one(&i2c->dev, aic32x4->rstn_gpio, |
| 825 | GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn"); |
| 826 | if (ret != 0) |
| 827 | return ret; |
| 828 | } |
| 829 | |
Markus Pargmann | 239b669 | 2014-02-20 18:22:59 +0100 | [diff] [blame] | 830 | ret = aic32x4_setup_regulators(&i2c->dev, aic32x4); |
| 831 | if (ret) { |
| 832 | dev_err(&i2c->dev, "Failed to setup regulators\n"); |
| 833 | return ret; |
| 834 | } |
| 835 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 836 | ret = snd_soc_register_codec(&i2c->dev, |
| 837 | &soc_codec_dev_aic32x4, &aic32x4_dai, 1); |
Markus Pargmann | 239b669 | 2014-02-20 18:22:59 +0100 | [diff] [blame] | 838 | if (ret) { |
| 839 | dev_err(&i2c->dev, "Failed to register codec\n"); |
| 840 | aic32x4_disable_regulators(aic32x4); |
| 841 | return ret; |
| 842 | } |
| 843 | |
| 844 | i2c_set_clientdata(i2c, aic32x4); |
| 845 | |
| 846 | return 0; |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 847 | } |
| 848 | |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 849 | static int aic32x4_i2c_remove(struct i2c_client *client) |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 850 | { |
Markus Pargmann | 239b669 | 2014-02-20 18:22:59 +0100 | [diff] [blame] | 851 | struct aic32x4_priv *aic32x4 = i2c_get_clientdata(client); |
| 852 | |
| 853 | aic32x4_disable_regulators(aic32x4); |
| 854 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 855 | snd_soc_unregister_codec(&client->dev); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 856 | return 0; |
| 857 | } |
| 858 | |
| 859 | static const struct i2c_device_id aic32x4_i2c_id[] = { |
| 860 | { "tlv320aic32x4", 0 }, |
| 861 | { } |
| 862 | }; |
| 863 | MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id); |
| 864 | |
Markus Pargmann | 4d16700 | 2014-01-27 13:03:08 +0100 | [diff] [blame] | 865 | static const struct of_device_id aic32x4_of_id[] = { |
| 866 | { .compatible = "ti,tlv320aic32x4", }, |
| 867 | { /* senitel */ } |
| 868 | }; |
| 869 | MODULE_DEVICE_TABLE(of, aic32x4_of_id); |
| 870 | |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 871 | static struct i2c_driver aic32x4_i2c_driver = { |
| 872 | .driver = { |
| 873 | .name = "tlv320aic32x4", |
Markus Pargmann | 4d16700 | 2014-01-27 13:03:08 +0100 | [diff] [blame] | 874 | .of_match_table = aic32x4_of_id, |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 875 | }, |
| 876 | .probe = aic32x4_i2c_probe, |
Bill Pemberton | 7a79e94 | 2012-12-07 09:26:37 -0500 | [diff] [blame] | 877 | .remove = aic32x4_i2c_remove, |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 878 | .id_table = aic32x4_i2c_id, |
| 879 | }; |
| 880 | |
Sachin Kamat | 3b09efd | 2012-08-06 17:25:34 +0530 | [diff] [blame] | 881 | module_i2c_driver(aic32x4_i2c_driver); |
Javier Martin | 1d471cd | 2011-03-02 14:52:32 +0100 | [diff] [blame] | 882 | |
| 883 | MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver"); |
| 884 | MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); |
| 885 | MODULE_LICENSE("GPL"); |