Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 1 | /* |
| 2 | * ALSA SoC WM9090 driver |
| 3 | * |
| 4 | * Copyright 2009, 2010 Wolfson Microelectronics |
| 5 | * |
| 6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | #include <linux/module.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/device.h> |
| 26 | #include <linux/i2c.h> |
| 27 | #include <linux/delay.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <sound/initval.h> |
| 30 | #include <sound/soc.h> |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 31 | #include <sound/tlv.h> |
| 32 | #include <sound/wm9090.h> |
| 33 | |
| 34 | #include "wm9090.h" |
| 35 | |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 36 | static const u16 wm9090_reg_defaults[] = { |
| 37 | 0x9093, /* R0 - Software Reset */ |
| 38 | 0x0006, /* R1 - Power Management (1) */ |
| 39 | 0x6000, /* R2 - Power Management (2) */ |
| 40 | 0x0000, /* R3 - Power Management (3) */ |
| 41 | 0x0000, /* R4 */ |
| 42 | 0x0000, /* R5 */ |
| 43 | 0x01C0, /* R6 - Clocking 1 */ |
| 44 | 0x0000, /* R7 */ |
| 45 | 0x0000, /* R8 */ |
| 46 | 0x0000, /* R9 */ |
| 47 | 0x0000, /* R10 */ |
| 48 | 0x0000, /* R11 */ |
| 49 | 0x0000, /* R12 */ |
| 50 | 0x0000, /* R13 */ |
| 51 | 0x0000, /* R14 */ |
| 52 | 0x0000, /* R15 */ |
| 53 | 0x0000, /* R16 */ |
| 54 | 0x0000, /* R17 */ |
| 55 | 0x0000, /* R18 */ |
| 56 | 0x0000, /* R19 */ |
| 57 | 0x0000, /* R20 */ |
| 58 | 0x0000, /* R21 */ |
| 59 | 0x0003, /* R22 - IN1 Line Control */ |
| 60 | 0x0003, /* R23 - IN2 Line Control */ |
| 61 | 0x0083, /* R24 - IN1 Line Input A Volume */ |
| 62 | 0x0083, /* R25 - IN1 Line Input B Volume */ |
| 63 | 0x0083, /* R26 - IN2 Line Input A Volume */ |
| 64 | 0x0083, /* R27 - IN2 Line Input B Volume */ |
| 65 | 0x002D, /* R28 - Left Output Volume */ |
| 66 | 0x002D, /* R29 - Right Output Volume */ |
| 67 | 0x0000, /* R30 */ |
| 68 | 0x0000, /* R31 */ |
| 69 | 0x0000, /* R32 */ |
| 70 | 0x0000, /* R33 */ |
| 71 | 0x0100, /* R34 - SPKMIXL Attenuation */ |
| 72 | 0x0000, /* R35 */ |
| 73 | 0x0010, /* R36 - SPKOUT Mixers */ |
| 74 | 0x0140, /* R37 - ClassD3 */ |
| 75 | 0x0039, /* R38 - Speaker Volume Left */ |
| 76 | 0x0000, /* R39 */ |
| 77 | 0x0000, /* R40 */ |
| 78 | 0x0000, /* R41 */ |
| 79 | 0x0000, /* R42 */ |
| 80 | 0x0000, /* R43 */ |
| 81 | 0x0000, /* R44 */ |
| 82 | 0x0000, /* R45 - Output Mixer1 */ |
| 83 | 0x0000, /* R46 - Output Mixer2 */ |
| 84 | 0x0100, /* R47 - Output Mixer3 */ |
| 85 | 0x0100, /* R48 - Output Mixer4 */ |
| 86 | 0x0000, /* R49 */ |
| 87 | 0x0000, /* R50 */ |
| 88 | 0x0000, /* R51 */ |
| 89 | 0x0000, /* R52 */ |
| 90 | 0x0000, /* R53 */ |
| 91 | 0x0000, /* R54 - Speaker Mixer */ |
| 92 | 0x0000, /* R55 */ |
| 93 | 0x0000, /* R56 */ |
| 94 | 0x000D, /* R57 - AntiPOP2 */ |
| 95 | 0x0000, /* R58 */ |
| 96 | 0x0000, /* R59 */ |
| 97 | 0x0000, /* R60 */ |
| 98 | 0x0000, /* R61 */ |
| 99 | 0x0000, /* R62 */ |
| 100 | 0x0000, /* R63 */ |
| 101 | 0x0000, /* R64 */ |
| 102 | 0x0000, /* R65 */ |
| 103 | 0x0000, /* R66 */ |
| 104 | 0x0000, /* R67 */ |
| 105 | 0x0000, /* R68 */ |
| 106 | 0x0000, /* R69 */ |
| 107 | 0x0000, /* R70 - Write Sequencer 0 */ |
| 108 | 0x0000, /* R71 - Write Sequencer 1 */ |
| 109 | 0x0000, /* R72 - Write Sequencer 2 */ |
| 110 | 0x0000, /* R73 - Write Sequencer 3 */ |
| 111 | 0x0000, /* R74 - Write Sequencer 4 */ |
| 112 | 0x0000, /* R75 - Write Sequencer 5 */ |
| 113 | 0x1F25, /* R76 - Charge Pump 1 */ |
| 114 | 0x0000, /* R77 */ |
| 115 | 0x0000, /* R78 */ |
| 116 | 0x0000, /* R79 */ |
| 117 | 0x0000, /* R80 */ |
| 118 | 0x0000, /* R81 */ |
| 119 | 0x0000, /* R82 */ |
| 120 | 0x0000, /* R83 */ |
| 121 | 0x0000, /* R84 - DC Servo 0 */ |
| 122 | 0x054A, /* R85 - DC Servo 1 */ |
| 123 | 0x0000, /* R86 */ |
| 124 | 0x0000, /* R87 - DC Servo 3 */ |
| 125 | 0x0000, /* R88 - DC Servo Readback 0 */ |
| 126 | 0x0000, /* R89 - DC Servo Readback 1 */ |
| 127 | 0x0000, /* R90 - DC Servo Readback 2 */ |
| 128 | 0x0000, /* R91 */ |
| 129 | 0x0000, /* R92 */ |
| 130 | 0x0000, /* R93 */ |
| 131 | 0x0000, /* R94 */ |
| 132 | 0x0000, /* R95 */ |
| 133 | 0x0100, /* R96 - Analogue HP 0 */ |
| 134 | 0x0000, /* R97 */ |
| 135 | 0x8640, /* R98 - AGC Control 0 */ |
| 136 | 0xC000, /* R99 - AGC Control 1 */ |
| 137 | 0x0200, /* R100 - AGC Control 2 */ |
| 138 | }; |
| 139 | |
| 140 | /* This struct is used to save the context */ |
| 141 | struct wm9090_priv { |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 142 | struct mutex mutex; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 143 | struct wm9090_platform_data pdata; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 144 | void *control_data; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 145 | }; |
| 146 | |
Dimitris Papastamos | d4754ec | 2011-01-13 12:20:37 +0000 | [diff] [blame] | 147 | static int wm9090_volatile(struct snd_soc_codec *codec, unsigned int reg) |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 148 | { |
| 149 | switch (reg) { |
| 150 | case WM9090_SOFTWARE_RESET: |
| 151 | case WM9090_DC_SERVO_0: |
| 152 | case WM9090_DC_SERVO_READBACK_0: |
| 153 | case WM9090_DC_SERVO_READBACK_1: |
| 154 | case WM9090_DC_SERVO_READBACK_2: |
| 155 | return 1; |
| 156 | |
| 157 | default: |
| 158 | return 0; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | static void wait_for_dc_servo(struct snd_soc_codec *codec) |
| 163 | { |
| 164 | unsigned int reg; |
| 165 | int count = 0; |
| 166 | |
| 167 | dev_dbg(codec->dev, "Waiting for DC servo...\n"); |
| 168 | do { |
| 169 | count++; |
| 170 | msleep(1); |
| 171 | reg = snd_soc_read(codec, WM9090_DC_SERVO_READBACK_0); |
| 172 | dev_dbg(codec->dev, "DC servo status: %x\n", reg); |
| 173 | } while ((reg & WM9090_DCS_CAL_COMPLETE_MASK) |
| 174 | != WM9090_DCS_CAL_COMPLETE_MASK && count < 1000); |
| 175 | |
| 176 | if ((reg & WM9090_DCS_CAL_COMPLETE_MASK) |
| 177 | != WM9090_DCS_CAL_COMPLETE_MASK) |
| 178 | dev_err(codec->dev, "Timed out waiting for DC Servo\n"); |
| 179 | } |
| 180 | |
| 181 | static const unsigned int in_tlv[] = { |
| 182 | TLV_DB_RANGE_HEAD(6), |
| 183 | 0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0), |
| 184 | 1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0), |
| 185 | 4, 6, TLV_DB_SCALE_ITEM(600, 600, 0), |
| 186 | }; |
| 187 | static const unsigned int mix_tlv[] = { |
| 188 | TLV_DB_RANGE_HEAD(4), |
| 189 | 0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0), |
| 190 | 3, 3, TLV_DB_SCALE_ITEM(0, 0, 0), |
| 191 | }; |
| 192 | static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); |
| 193 | static const unsigned int spkboost_tlv[] = { |
| 194 | TLV_DB_RANGE_HEAD(7), |
| 195 | 0, 6, TLV_DB_SCALE_ITEM(0, 150, 0), |
| 196 | 7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0), |
| 197 | }; |
| 198 | |
| 199 | static const struct snd_kcontrol_new wm9090_controls[] = { |
| 200 | SOC_SINGLE_TLV("IN1A Volume", WM9090_IN1_LINE_INPUT_A_VOLUME, 0, 6, 0, |
| 201 | in_tlv), |
| 202 | SOC_SINGLE("IN1A Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 7, 1, 1), |
| 203 | SOC_SINGLE("IN1A ZC Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 6, 1, 0), |
| 204 | |
| 205 | SOC_SINGLE_TLV("IN2A Volume", WM9090_IN2_LINE_INPUT_A_VOLUME, 0, 6, 0, |
| 206 | in_tlv), |
| 207 | SOC_SINGLE("IN2A Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 7, 1, 1), |
| 208 | SOC_SINGLE("IN2A ZC Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 6, 1, 0), |
| 209 | |
| 210 | SOC_SINGLE("MIXOUTL Switch", WM9090_OUTPUT_MIXER3, 8, 1, 1), |
| 211 | SOC_SINGLE_TLV("MIXOUTL IN1A Volume", WM9090_OUTPUT_MIXER3, 6, 3, 1, |
| 212 | mix_tlv), |
| 213 | SOC_SINGLE_TLV("MIXOUTL IN2A Volume", WM9090_OUTPUT_MIXER3, 2, 3, 1, |
| 214 | mix_tlv), |
| 215 | |
| 216 | SOC_SINGLE("MIXOUTR Switch", WM9090_OUTPUT_MIXER4, 8, 1, 1), |
| 217 | SOC_SINGLE_TLV("MIXOUTR IN1A Volume", WM9090_OUTPUT_MIXER4, 6, 3, 1, |
| 218 | mix_tlv), |
| 219 | SOC_SINGLE_TLV("MIXOUTR IN2A Volume", WM9090_OUTPUT_MIXER4, 2, 3, 1, |
| 220 | mix_tlv), |
| 221 | |
| 222 | SOC_SINGLE("SPKMIX Switch", WM9090_SPKMIXL_ATTENUATION, 8, 1, 1), |
| 223 | SOC_SINGLE_TLV("SPKMIX IN1A Volume", WM9090_SPKMIXL_ATTENUATION, 6, 3, 1, |
| 224 | mix_tlv), |
| 225 | SOC_SINGLE_TLV("SPKMIX IN2A Volume", WM9090_SPKMIXL_ATTENUATION, 2, 3, 1, |
| 226 | mix_tlv), |
| 227 | |
| 228 | SOC_DOUBLE_R_TLV("Headphone Volume", WM9090_LEFT_OUTPUT_VOLUME, |
| 229 | WM9090_RIGHT_OUTPUT_VOLUME, 0, 63, 0, out_tlv), |
| 230 | SOC_DOUBLE_R("Headphone Switch", WM9090_LEFT_OUTPUT_VOLUME, |
| 231 | WM9090_RIGHT_OUTPUT_VOLUME, 6, 1, 1), |
| 232 | SOC_DOUBLE_R("Headphone ZC Switch", WM9090_LEFT_OUTPUT_VOLUME, |
| 233 | WM9090_RIGHT_OUTPUT_VOLUME, 7, 1, 0), |
| 234 | |
| 235 | SOC_SINGLE_TLV("Speaker Volume", WM9090_SPEAKER_VOLUME_LEFT, 0, 63, 0, |
| 236 | out_tlv), |
| 237 | SOC_SINGLE("Speaker Switch", WM9090_SPEAKER_VOLUME_LEFT, 6, 1, 1), |
| 238 | SOC_SINGLE("Speaker ZC Switch", WM9090_SPEAKER_VOLUME_LEFT, 7, 1, 0), |
| 239 | SOC_SINGLE_TLV("Speaker Boost Volume", WM9090_CLASSD3, 3, 7, 0, spkboost_tlv), |
| 240 | }; |
| 241 | |
| 242 | static const struct snd_kcontrol_new wm9090_in1_se_controls[] = { |
| 243 | SOC_SINGLE_TLV("IN1B Volume", WM9090_IN1_LINE_INPUT_B_VOLUME, 0, 6, 0, |
| 244 | in_tlv), |
| 245 | SOC_SINGLE("IN1B Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 7, 1, 1), |
| 246 | SOC_SINGLE("IN1B ZC Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 6, 1, 0), |
| 247 | |
| 248 | SOC_SINGLE_TLV("SPKMIX IN1B Volume", WM9090_SPKMIXL_ATTENUATION, 4, 3, 1, |
| 249 | mix_tlv), |
| 250 | SOC_SINGLE_TLV("MIXOUTL IN1B Volume", WM9090_OUTPUT_MIXER3, 4, 3, 1, |
| 251 | mix_tlv), |
| 252 | SOC_SINGLE_TLV("MIXOUTR IN1B Volume", WM9090_OUTPUT_MIXER4, 4, 3, 1, |
| 253 | mix_tlv), |
| 254 | }; |
| 255 | |
| 256 | static const struct snd_kcontrol_new wm9090_in2_se_controls[] = { |
| 257 | SOC_SINGLE_TLV("IN2B Volume", WM9090_IN2_LINE_INPUT_B_VOLUME, 0, 6, 0, |
| 258 | in_tlv), |
| 259 | SOC_SINGLE("IN2B Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 7, 1, 1), |
| 260 | SOC_SINGLE("IN2B ZC Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 6, 1, 0), |
| 261 | |
| 262 | SOC_SINGLE_TLV("SPKMIX IN2B Volume", WM9090_SPKMIXL_ATTENUATION, 0, 3, 1, |
| 263 | mix_tlv), |
| 264 | SOC_SINGLE_TLV("MIXOUTL IN2B Volume", WM9090_OUTPUT_MIXER3, 0, 3, 1, |
| 265 | mix_tlv), |
| 266 | SOC_SINGLE_TLV("MIXOUTR IN2B Volume", WM9090_OUTPUT_MIXER4, 0, 3, 1, |
| 267 | mix_tlv), |
| 268 | }; |
| 269 | |
| 270 | static int hp_ev(struct snd_soc_dapm_widget *w, |
| 271 | struct snd_kcontrol *kcontrol, int event) |
| 272 | { |
| 273 | struct snd_soc_codec *codec = w->codec; |
| 274 | unsigned int reg = snd_soc_read(codec, WM9090_ANALOGUE_HP_0); |
| 275 | |
| 276 | switch (event) { |
| 277 | case SND_SOC_DAPM_POST_PMU: |
| 278 | snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1, |
| 279 | WM9090_CP_ENA, WM9090_CP_ENA); |
| 280 | |
| 281 | msleep(5); |
| 282 | |
| 283 | snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, |
| 284 | WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, |
| 285 | WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA); |
| 286 | |
| 287 | reg |= WM9090_HPOUT1L_DLY | WM9090_HPOUT1R_DLY; |
| 288 | snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg); |
| 289 | |
| 290 | /* Start the DC servo. We don't currently use the |
| 291 | * ability to save the state since we don't have full |
| 292 | * control of the analogue paths and they can change |
| 293 | * DC offsets; see the WM8904 driver for an example of |
| 294 | * doing so. |
| 295 | */ |
| 296 | snd_soc_write(codec, WM9090_DC_SERVO_0, |
| 297 | WM9090_DCS_ENA_CHAN_0 | |
| 298 | WM9090_DCS_ENA_CHAN_1 | |
| 299 | WM9090_DCS_TRIG_STARTUP_1 | |
| 300 | WM9090_DCS_TRIG_STARTUP_0); |
| 301 | wait_for_dc_servo(codec); |
| 302 | |
| 303 | reg |= WM9090_HPOUT1R_OUTP | WM9090_HPOUT1R_RMV_SHORT | |
| 304 | WM9090_HPOUT1L_OUTP | WM9090_HPOUT1L_RMV_SHORT; |
| 305 | snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg); |
| 306 | break; |
| 307 | |
| 308 | case SND_SOC_DAPM_PRE_PMD: |
| 309 | reg &= ~(WM9090_HPOUT1L_RMV_SHORT | |
| 310 | WM9090_HPOUT1L_DLY | |
| 311 | WM9090_HPOUT1L_OUTP | |
| 312 | WM9090_HPOUT1R_RMV_SHORT | |
| 313 | WM9090_HPOUT1R_DLY | |
| 314 | WM9090_HPOUT1R_OUTP); |
| 315 | |
| 316 | snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg); |
| 317 | |
| 318 | snd_soc_write(codec, WM9090_DC_SERVO_0, 0); |
| 319 | |
| 320 | snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, |
| 321 | WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, |
| 322 | 0); |
| 323 | |
| 324 | snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1, |
| 325 | WM9090_CP_ENA, 0); |
| 326 | break; |
| 327 | } |
| 328 | |
| 329 | return 0; |
| 330 | } |
| 331 | |
| 332 | static const struct snd_kcontrol_new spkmix[] = { |
| 333 | SOC_DAPM_SINGLE("IN1A Switch", WM9090_SPEAKER_MIXER, 6, 1, 0), |
| 334 | SOC_DAPM_SINGLE("IN1B Switch", WM9090_SPEAKER_MIXER, 4, 1, 0), |
| 335 | SOC_DAPM_SINGLE("IN2A Switch", WM9090_SPEAKER_MIXER, 2, 1, 0), |
| 336 | SOC_DAPM_SINGLE("IN2B Switch", WM9090_SPEAKER_MIXER, 0, 1, 0), |
| 337 | }; |
| 338 | |
| 339 | static const struct snd_kcontrol_new spkout[] = { |
| 340 | SOC_DAPM_SINGLE("Mixer Switch", WM9090_SPKOUT_MIXERS, 4, 1, 0), |
| 341 | }; |
| 342 | |
| 343 | static const struct snd_kcontrol_new mixoutl[] = { |
| 344 | SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER1, 6, 1, 0), |
| 345 | SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER1, 4, 1, 0), |
| 346 | SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER1, 2, 1, 0), |
| 347 | SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER1, 0, 1, 0), |
| 348 | }; |
| 349 | |
| 350 | static const struct snd_kcontrol_new mixoutr[] = { |
| 351 | SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER2, 6, 1, 0), |
| 352 | SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER2, 4, 1, 0), |
| 353 | SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER2, 2, 1, 0), |
| 354 | SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER2, 0, 1, 0), |
| 355 | }; |
| 356 | |
| 357 | static const struct snd_soc_dapm_widget wm9090_dapm_widgets[] = { |
| 358 | SND_SOC_DAPM_INPUT("IN1+"), |
| 359 | SND_SOC_DAPM_INPUT("IN1-"), |
| 360 | SND_SOC_DAPM_INPUT("IN2+"), |
| 361 | SND_SOC_DAPM_INPUT("IN2-"), |
| 362 | |
| 363 | SND_SOC_DAPM_SUPPLY("OSC", WM9090_POWER_MANAGEMENT_1, 3, 0, NULL, 0), |
| 364 | |
| 365 | SND_SOC_DAPM_PGA("IN1A PGA", WM9090_POWER_MANAGEMENT_2, 7, 0, NULL, 0), |
| 366 | SND_SOC_DAPM_PGA("IN1B PGA", WM9090_POWER_MANAGEMENT_2, 6, 0, NULL, 0), |
| 367 | SND_SOC_DAPM_PGA("IN2A PGA", WM9090_POWER_MANAGEMENT_2, 5, 0, NULL, 0), |
| 368 | SND_SOC_DAPM_PGA("IN2B PGA", WM9090_POWER_MANAGEMENT_2, 4, 0, NULL, 0), |
| 369 | |
| 370 | SND_SOC_DAPM_MIXER("SPKMIX", WM9090_POWER_MANAGEMENT_3, 3, 0, |
| 371 | spkmix, ARRAY_SIZE(spkmix)), |
| 372 | SND_SOC_DAPM_MIXER("MIXOUTL", WM9090_POWER_MANAGEMENT_3, 5, 0, |
| 373 | mixoutl, ARRAY_SIZE(mixoutl)), |
| 374 | SND_SOC_DAPM_MIXER("MIXOUTR", WM9090_POWER_MANAGEMENT_3, 4, 0, |
| 375 | mixoutr, ARRAY_SIZE(mixoutr)), |
| 376 | |
| 377 | SND_SOC_DAPM_PGA_E("HP PGA", SND_SOC_NOPM, 0, 0, NULL, 0, |
| 378 | hp_ev, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
| 379 | |
| 380 | SND_SOC_DAPM_PGA("SPKPGA", WM9090_POWER_MANAGEMENT_3, 8, 0, NULL, 0), |
| 381 | SND_SOC_DAPM_MIXER("SPKOUT", WM9090_POWER_MANAGEMENT_1, 12, 0, |
| 382 | spkout, ARRAY_SIZE(spkout)), |
| 383 | |
| 384 | SND_SOC_DAPM_OUTPUT("HPR"), |
| 385 | SND_SOC_DAPM_OUTPUT("HPL"), |
| 386 | SND_SOC_DAPM_OUTPUT("Speaker"), |
| 387 | }; |
| 388 | |
| 389 | static const struct snd_soc_dapm_route audio_map[] = { |
| 390 | { "IN1A PGA", NULL, "IN1+" }, |
| 391 | { "IN2A PGA", NULL, "IN2+" }, |
| 392 | |
| 393 | { "SPKMIX", "IN1A Switch", "IN1A PGA" }, |
| 394 | { "SPKMIX", "IN2A Switch", "IN2A PGA" }, |
| 395 | |
| 396 | { "MIXOUTL", "IN1A Switch", "IN1A PGA" }, |
| 397 | { "MIXOUTL", "IN2A Switch", "IN2A PGA" }, |
| 398 | |
| 399 | { "MIXOUTR", "IN1A Switch", "IN1A PGA" }, |
| 400 | { "MIXOUTR", "IN2A Switch", "IN2A PGA" }, |
| 401 | |
| 402 | { "HP PGA", NULL, "OSC" }, |
| 403 | { "HP PGA", NULL, "MIXOUTL" }, |
| 404 | { "HP PGA", NULL, "MIXOUTR" }, |
| 405 | |
| 406 | { "HPL", NULL, "HP PGA" }, |
| 407 | { "HPR", NULL, "HP PGA" }, |
| 408 | |
| 409 | { "SPKPGA", NULL, "OSC" }, |
| 410 | { "SPKPGA", NULL, "SPKMIX" }, |
| 411 | |
| 412 | { "SPKOUT", "Mixer Switch", "SPKPGA" }, |
| 413 | |
| 414 | { "Speaker", NULL, "SPKOUT" }, |
| 415 | }; |
| 416 | |
| 417 | static const struct snd_soc_dapm_route audio_map_in1_se[] = { |
| 418 | { "IN1B PGA", NULL, "IN1-" }, |
| 419 | |
| 420 | { "SPKMIX", "IN1B Switch", "IN1B PGA" }, |
| 421 | { "MIXOUTL", "IN1B Switch", "IN1B PGA" }, |
| 422 | { "MIXOUTR", "IN1B Switch", "IN1B PGA" }, |
| 423 | }; |
| 424 | |
| 425 | static const struct snd_soc_dapm_route audio_map_in1_diff[] = { |
| 426 | { "IN1A PGA", NULL, "IN1-" }, |
| 427 | }; |
| 428 | |
| 429 | static const struct snd_soc_dapm_route audio_map_in2_se[] = { |
| 430 | { "IN2B PGA", NULL, "IN2-" }, |
| 431 | |
| 432 | { "SPKMIX", "IN2B Switch", "IN2B PGA" }, |
| 433 | { "MIXOUTL", "IN2B Switch", "IN2B PGA" }, |
| 434 | { "MIXOUTR", "IN2B Switch", "IN2B PGA" }, |
| 435 | }; |
| 436 | |
| 437 | static const struct snd_soc_dapm_route audio_map_in2_diff[] = { |
| 438 | { "IN2A PGA", NULL, "IN2-" }, |
| 439 | }; |
| 440 | |
| 441 | static int wm9090_add_controls(struct snd_soc_codec *codec) |
| 442 | { |
| 443 | struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 444 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 445 | int i; |
| 446 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 447 | snd_soc_dapm_new_controls(dapm, wm9090_dapm_widgets, |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 448 | ARRAY_SIZE(wm9090_dapm_widgets)); |
| 449 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 450 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 451 | |
| 452 | snd_soc_add_controls(codec, wm9090_controls, |
| 453 | ARRAY_SIZE(wm9090_controls)); |
| 454 | |
| 455 | if (wm9090->pdata.lin1_diff) { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 456 | snd_soc_dapm_add_routes(dapm, audio_map_in1_diff, |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 457 | ARRAY_SIZE(audio_map_in1_diff)); |
| 458 | } else { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 459 | snd_soc_dapm_add_routes(dapm, audio_map_in1_se, |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 460 | ARRAY_SIZE(audio_map_in1_se)); |
| 461 | snd_soc_add_controls(codec, wm9090_in1_se_controls, |
| 462 | ARRAY_SIZE(wm9090_in1_se_controls)); |
| 463 | } |
| 464 | |
| 465 | if (wm9090->pdata.lin2_diff) { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 466 | snd_soc_dapm_add_routes(dapm, audio_map_in2_diff, |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 467 | ARRAY_SIZE(audio_map_in2_diff)); |
| 468 | } else { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 469 | snd_soc_dapm_add_routes(dapm, audio_map_in2_se, |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 470 | ARRAY_SIZE(audio_map_in2_se)); |
| 471 | snd_soc_add_controls(codec, wm9090_in2_se_controls, |
| 472 | ARRAY_SIZE(wm9090_in2_se_controls)); |
| 473 | } |
| 474 | |
| 475 | if (wm9090->pdata.agc_ena) { |
| 476 | for (i = 0; i < ARRAY_SIZE(wm9090->pdata.agc); i++) |
| 477 | snd_soc_write(codec, WM9090_AGC_CONTROL_0 + i, |
| 478 | wm9090->pdata.agc[i]); |
| 479 | snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3, |
| 480 | WM9090_AGC_ENA, WM9090_AGC_ENA); |
| 481 | } else { |
| 482 | snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3, |
| 483 | WM9090_AGC_ENA, 0); |
| 484 | } |
| 485 | |
| 486 | return 0; |
| 487 | |
| 488 | } |
| 489 | |
| 490 | /* |
| 491 | * The machine driver should call this from their set_bias_level; if there |
| 492 | * isn't one then this can just be set as the set_bias_level function. |
| 493 | */ |
| 494 | static int wm9090_set_bias_level(struct snd_soc_codec *codec, |
| 495 | enum snd_soc_bias_level level) |
| 496 | { |
| 497 | u16 *reg_cache = codec->reg_cache; |
| 498 | int i, ret; |
| 499 | |
| 500 | switch (level) { |
| 501 | case SND_SOC_BIAS_ON: |
| 502 | break; |
| 503 | |
| 504 | case SND_SOC_BIAS_PREPARE: |
| 505 | snd_soc_update_bits(codec, WM9090_ANTIPOP2, WM9090_VMID_ENA, |
| 506 | WM9090_VMID_ENA); |
| 507 | snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, |
| 508 | WM9090_BIAS_ENA | |
| 509 | WM9090_VMID_RES_MASK, |
| 510 | WM9090_BIAS_ENA | |
| 511 | 1 << WM9090_VMID_RES_SHIFT); |
| 512 | msleep(1); /* Probably an overestimate */ |
| 513 | break; |
| 514 | |
| 515 | case SND_SOC_BIAS_STANDBY: |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 516 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 517 | /* Restore the register cache */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 518 | for (i = 1; i < codec->driver->reg_cache_size; i++) { |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 519 | if (reg_cache[i] == wm9090_reg_defaults[i]) |
| 520 | continue; |
Dimitris Papastamos | d4754ec | 2011-01-13 12:20:37 +0000 | [diff] [blame] | 521 | if (wm9090_volatile(codec, i)) |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 522 | continue; |
| 523 | |
| 524 | ret = snd_soc_write(codec, i, reg_cache[i]); |
| 525 | if (ret != 0) |
| 526 | dev_warn(codec->dev, |
| 527 | "Failed to restore register %d: %d\n", |
| 528 | i, ret); |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | /* We keep VMID off during standby since the combination of |
| 533 | * ground referenced outputs and class D speaker mean that |
| 534 | * latency is not an issue. |
| 535 | */ |
| 536 | snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, |
| 537 | WM9090_BIAS_ENA | WM9090_VMID_RES_MASK, 0); |
| 538 | snd_soc_update_bits(codec, WM9090_ANTIPOP2, |
| 539 | WM9090_VMID_ENA, 0); |
| 540 | break; |
| 541 | |
| 542 | case SND_SOC_BIAS_OFF: |
| 543 | break; |
| 544 | } |
| 545 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 546 | codec->dapm.bias_level = level; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 547 | |
| 548 | return 0; |
| 549 | } |
| 550 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 551 | static int wm9090_probe(struct snd_soc_codec *codec) |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 552 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 553 | struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 554 | int ret; |
| 555 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 556 | codec->control_data = wm9090->control_data; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 557 | ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); |
| 558 | if (ret != 0) { |
| 559 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 560 | return ret; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 561 | } |
| 562 | |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 563 | ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET); |
| 564 | if (ret < 0) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 565 | return ret; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 566 | if (ret != wm9090_reg_defaults[WM9090_SOFTWARE_RESET]) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 567 | dev_err(codec->dev, "Device is not a WM9090, ID=%x\n", ret); |
| 568 | return -EINVAL; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0); |
| 572 | if (ret < 0) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 573 | return ret; |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 574 | |
| 575 | /* Configure some defaults; they will be written out when we |
| 576 | * bring the bias up. |
| 577 | */ |
Mark Brown | a1b3b5e | 2010-12-24 16:59:30 +0000 | [diff] [blame] | 578 | snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_A_VOLUME, |
| 579 | WM9090_IN1_VU | WM9090_IN1A_ZC, |
| 580 | WM9090_IN1_VU | WM9090_IN1A_ZC); |
| 581 | snd_soc_update_bits(codec, WM9090_IN1_LINE_INPUT_B_VOLUME, |
| 582 | WM9090_IN1_VU | WM9090_IN1B_ZC, |
| 583 | WM9090_IN1_VU | WM9090_IN1B_ZC); |
| 584 | snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_A_VOLUME, |
| 585 | WM9090_IN2_VU | WM9090_IN2A_ZC, |
| 586 | WM9090_IN2_VU | WM9090_IN2A_ZC); |
| 587 | snd_soc_update_bits(codec, WM9090_IN2_LINE_INPUT_B_VOLUME, |
| 588 | WM9090_IN2_VU | WM9090_IN2B_ZC, |
| 589 | WM9090_IN2_VU | WM9090_IN2B_ZC); |
| 590 | snd_soc_update_bits(codec, WM9090_SPEAKER_VOLUME_LEFT, |
| 591 | WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC, |
| 592 | WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC); |
| 593 | snd_soc_update_bits(codec, WM9090_LEFT_OUTPUT_VOLUME, |
| 594 | WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC, |
| 595 | WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC); |
| 596 | snd_soc_update_bits(codec, WM9090_RIGHT_OUTPUT_VOLUME, |
| 597 | WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC, |
| 598 | WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 599 | |
Mark Brown | a1b3b5e | 2010-12-24 16:59:30 +0000 | [diff] [blame] | 600 | snd_soc_update_bits(codec, WM9090_CLOCKING_1, |
| 601 | WM9090_TOCLK_ENA, WM9090_TOCLK_ENA); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 602 | |
| 603 | wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 604 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 605 | wm9090_add_controls(codec); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 606 | |
| 607 | return 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 608 | } |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 609 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 610 | #ifdef CONFIG_PM |
| 611 | static int wm9090_suspend(struct snd_soc_codec *codec, pm_message_t state) |
| 612 | { |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 613 | wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 614 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 615 | return 0; |
| 616 | } |
| 617 | |
| 618 | static int wm9090_resume(struct snd_soc_codec *codec) |
| 619 | { |
| 620 | wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 621 | |
| 622 | return 0; |
| 623 | } |
| 624 | #else |
| 625 | #define wm9090_suspend NULL |
| 626 | #define wm9090_resume NULL |
| 627 | #endif |
| 628 | |
| 629 | static int wm9090_remove(struct snd_soc_codec *codec) |
| 630 | { |
| 631 | wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 632 | |
| 633 | return 0; |
| 634 | } |
| 635 | |
| 636 | static struct snd_soc_codec_driver soc_codec_dev_wm9090 = { |
| 637 | .probe = wm9090_probe, |
| 638 | .remove = wm9090_remove, |
| 639 | .suspend = wm9090_suspend, |
| 640 | .resume = wm9090_resume, |
| 641 | .set_bias_level = wm9090_set_bias_level, |
| 642 | .reg_cache_size = (WM9090_MAX_REGISTER + 1), |
| 643 | .reg_word_size = sizeof(u16), |
| 644 | .reg_cache_default = wm9090_reg_defaults, |
| 645 | .volatile_register = wm9090_volatile, |
| 646 | }; |
| 647 | |
| 648 | static int wm9090_i2c_probe(struct i2c_client *i2c, |
| 649 | const struct i2c_device_id *id) |
| 650 | { |
| 651 | struct wm9090_priv *wm9090; |
| 652 | int ret; |
| 653 | |
| 654 | wm9090 = kzalloc(sizeof(*wm9090), GFP_KERNEL); |
| 655 | if (wm9090 == NULL) { |
| 656 | dev_err(&i2c->dev, "Can not allocate memory\n"); |
| 657 | return -ENOMEM; |
| 658 | } |
| 659 | |
| 660 | if (i2c->dev.platform_data) |
| 661 | memcpy(&wm9090->pdata, i2c->dev.platform_data, |
| 662 | sizeof(wm9090->pdata)); |
| 663 | |
| 664 | i2c_set_clientdata(i2c, wm9090); |
| 665 | wm9090->control_data = i2c; |
| 666 | mutex_init(&wm9090->mutex); |
| 667 | |
| 668 | ret = snd_soc_register_codec(&i2c->dev, |
| 669 | &soc_codec_dev_wm9090, NULL, 0); |
| 670 | if (ret < 0) |
| 671 | kfree(wm9090); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 672 | return ret; |
| 673 | } |
| 674 | |
Arnaud Lacombe | 0d040df | 2010-10-26 16:04:36 -0400 | [diff] [blame] | 675 | static int __devexit wm9090_i2c_remove(struct i2c_client *i2c) |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 676 | { |
| 677 | struct wm9090_priv *wm9090 = i2c_get_clientdata(i2c); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 678 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 679 | snd_soc_unregister_codec(&i2c->dev); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 680 | kfree(wm9090); |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 681 | |
| 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | static const struct i2c_device_id wm9090_id[] = { |
| 686 | { "wm9090", 0 }, |
| 687 | { } |
| 688 | }; |
| 689 | MODULE_DEVICE_TABLE(i2c, wm9090_id); |
| 690 | |
| 691 | static struct i2c_driver wm9090_i2c_driver = { |
| 692 | .driver = { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 693 | .name = "wm9090-codec", |
Mark Brown | 39b8eab | 2010-04-28 18:36:10 +0100 | [diff] [blame] | 694 | .owner = THIS_MODULE, |
| 695 | }, |
| 696 | .probe = wm9090_i2c_probe, |
| 697 | .remove = __devexit_p(wm9090_i2c_remove), |
| 698 | .id_table = wm9090_id, |
| 699 | }; |
| 700 | |
| 701 | static int __init wm9090_init(void) |
| 702 | { |
| 703 | return i2c_add_driver(&wm9090_i2c_driver); |
| 704 | } |
| 705 | module_init(wm9090_init); |
| 706 | |
| 707 | static void __exit wm9090_exit(void) |
| 708 | { |
| 709 | i2c_del_driver(&wm9090_i2c_driver); |
| 710 | } |
| 711 | module_exit(wm9090_exit); |
| 712 | |
| 713 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); |
| 714 | MODULE_DESCRIPTION("WM9090 ASoC driver"); |
| 715 | MODULE_LICENSE("GPL"); |