1a91eb199SMark Brown /* 2a91eb199SMark Brown * wm8904.c -- WM8904 ALSA SoC Audio driver 3a91eb199SMark Brown * 4a91eb199SMark Brown * Copyright 2009 Wolfson Microelectronics plc 5a91eb199SMark Brown * 6a91eb199SMark Brown * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7a91eb199SMark Brown * 8a91eb199SMark Brown * 9a91eb199SMark Brown * This program is free software; you can redistribute it and/or modify 10a91eb199SMark Brown * it under the terms of the GNU General Public License version 2 as 11a91eb199SMark Brown * published by the Free Software Foundation. 12a91eb199SMark Brown */ 13a91eb199SMark Brown 14a91eb199SMark Brown #include <linux/module.h> 15a91eb199SMark Brown #include <linux/moduleparam.h> 16a91eb199SMark Brown #include <linux/init.h> 17a91eb199SMark Brown #include <linux/delay.h> 18a91eb199SMark Brown #include <linux/pm.h> 19a91eb199SMark Brown #include <linux/i2c.h> 20a91eb199SMark Brown #include <linux/platform_device.h> 21a91eb199SMark Brown #include <linux/regulator/consumer.h> 22a91eb199SMark Brown #include <sound/core.h> 23a91eb199SMark Brown #include <sound/pcm.h> 24a91eb199SMark Brown #include <sound/pcm_params.h> 25a91eb199SMark Brown #include <sound/soc.h> 26a91eb199SMark Brown #include <sound/soc-dapm.h> 27a91eb199SMark Brown #include <sound/initval.h> 28a91eb199SMark Brown #include <sound/tlv.h> 29a91eb199SMark Brown #include <sound/wm8904.h> 30a91eb199SMark Brown 31a91eb199SMark Brown #include "wm8904.h" 32a91eb199SMark Brown 33a91eb199SMark Brown static struct snd_soc_codec *wm8904_codec; 34a91eb199SMark Brown struct snd_soc_codec_device soc_codec_dev_wm8904; 35a91eb199SMark Brown 36a91eb199SMark Brown #define WM8904_NUM_DCS_CHANNELS 4 37a91eb199SMark Brown 38a91eb199SMark Brown #define WM8904_NUM_SUPPLIES 5 39a91eb199SMark Brown static const char *wm8904_supply_names[WM8904_NUM_SUPPLIES] = { 40a91eb199SMark Brown "DCVDD", 41a91eb199SMark Brown "DBVDD", 42a91eb199SMark Brown "AVDD", 43a91eb199SMark Brown "CPVDD", 44a91eb199SMark Brown "MICVDD", 45a91eb199SMark Brown }; 46a91eb199SMark Brown 47a91eb199SMark Brown /* codec private data */ 48a91eb199SMark Brown struct wm8904_priv { 49a91eb199SMark Brown struct snd_soc_codec codec; 50a91eb199SMark Brown u16 reg_cache[WM8904_MAX_REGISTER + 1]; 51a91eb199SMark Brown 52a91eb199SMark Brown struct regulator_bulk_data supplies[WM8904_NUM_SUPPLIES]; 53a91eb199SMark Brown 54a91eb199SMark Brown struct wm8904_pdata *pdata; 55a91eb199SMark Brown 56a91eb199SMark Brown int deemph; 57a91eb199SMark Brown 58a91eb199SMark Brown /* Platform provided DRC configuration */ 59a91eb199SMark Brown const char **drc_texts; 60a91eb199SMark Brown int drc_cfg; 61a91eb199SMark Brown struct soc_enum drc_enum; 62a91eb199SMark Brown 63a91eb199SMark Brown /* Platform provided ReTune mobile configuration */ 64a91eb199SMark Brown int num_retune_mobile_texts; 65a91eb199SMark Brown const char **retune_mobile_texts; 66a91eb199SMark Brown int retune_mobile_cfg; 67a91eb199SMark Brown struct soc_enum retune_mobile_enum; 68a91eb199SMark Brown 69a91eb199SMark Brown /* FLL setup */ 70a91eb199SMark Brown int fll_src; 71a91eb199SMark Brown int fll_fref; 72a91eb199SMark Brown int fll_fout; 73a91eb199SMark Brown 74a91eb199SMark Brown /* Clocking configuration */ 75a91eb199SMark Brown unsigned int mclk_rate; 76a91eb199SMark Brown int sysclk_src; 77a91eb199SMark Brown unsigned int sysclk_rate; 78a91eb199SMark Brown 79a91eb199SMark Brown int tdm_width; 80a91eb199SMark Brown int tdm_slots; 81a91eb199SMark Brown int bclk; 82a91eb199SMark Brown int fs; 83a91eb199SMark Brown 84a91eb199SMark Brown /* DC servo configuration - cached offset values */ 85a91eb199SMark Brown int dcs_state[WM8904_NUM_DCS_CHANNELS]; 86a91eb199SMark Brown }; 87a91eb199SMark Brown 88a91eb199SMark Brown static const u16 wm8904_reg[WM8904_MAX_REGISTER + 1] = { 89a91eb199SMark Brown 0x8904, /* R0 - SW Reset and ID */ 90a91eb199SMark Brown 0x0000, /* R1 - Revision */ 91a91eb199SMark Brown 0x0000, /* R2 */ 92a91eb199SMark Brown 0x0000, /* R3 */ 93a91eb199SMark Brown 0x0018, /* R4 - Bias Control 0 */ 94a91eb199SMark Brown 0x0000, /* R5 - VMID Control 0 */ 95a91eb199SMark Brown 0x0000, /* R6 - Mic Bias Control 0 */ 96a91eb199SMark Brown 0x0000, /* R7 - Mic Bias Control 1 */ 97a91eb199SMark Brown 0x0001, /* R8 - Analogue DAC 0 */ 98a91eb199SMark Brown 0x9696, /* R9 - mic Filter Control */ 99a91eb199SMark Brown 0x0001, /* R10 - Analogue ADC 0 */ 100a91eb199SMark Brown 0x0000, /* R11 */ 101a91eb199SMark Brown 0x0000, /* R12 - Power Management 0 */ 102a91eb199SMark Brown 0x0000, /* R13 */ 103a91eb199SMark Brown 0x0000, /* R14 - Power Management 2 */ 104a91eb199SMark Brown 0x0000, /* R15 - Power Management 3 */ 105a91eb199SMark Brown 0x0000, /* R16 */ 106a91eb199SMark Brown 0x0000, /* R17 */ 107a91eb199SMark Brown 0x0000, /* R18 - Power Management 6 */ 108a91eb199SMark Brown 0x0000, /* R19 */ 109a91eb199SMark Brown 0x945E, /* R20 - Clock Rates 0 */ 110a91eb199SMark Brown 0x0C05, /* R21 - Clock Rates 1 */ 111a91eb199SMark Brown 0x0006, /* R22 - Clock Rates 2 */ 112a91eb199SMark Brown 0x0000, /* R23 */ 113a91eb199SMark Brown 0x0050, /* R24 - Audio Interface 0 */ 114a91eb199SMark Brown 0x000A, /* R25 - Audio Interface 1 */ 115a91eb199SMark Brown 0x00E4, /* R26 - Audio Interface 2 */ 116a91eb199SMark Brown 0x0040, /* R27 - Audio Interface 3 */ 117a91eb199SMark Brown 0x0000, /* R28 */ 118a91eb199SMark Brown 0x0000, /* R29 */ 119a91eb199SMark Brown 0x00C0, /* R30 - DAC Digital Volume Left */ 120a91eb199SMark Brown 0x00C0, /* R31 - DAC Digital Volume Right */ 121a91eb199SMark Brown 0x0000, /* R32 - DAC Digital 0 */ 122a91eb199SMark Brown 0x0008, /* R33 - DAC Digital 1 */ 123a91eb199SMark Brown 0x0000, /* R34 */ 124a91eb199SMark Brown 0x0000, /* R35 */ 125a91eb199SMark Brown 0x00C0, /* R36 - ADC Digital Volume Left */ 126a91eb199SMark Brown 0x00C0, /* R37 - ADC Digital Volume Right */ 127a91eb199SMark Brown 0x0010, /* R38 - ADC Digital 0 */ 128a91eb199SMark Brown 0x0000, /* R39 - Digital Microphone 0 */ 129a91eb199SMark Brown 0x01AF, /* R40 - DRC 0 */ 130a91eb199SMark Brown 0x3248, /* R41 - DRC 1 */ 131a91eb199SMark Brown 0x0000, /* R42 - DRC 2 */ 132a91eb199SMark Brown 0x0000, /* R43 - DRC 3 */ 133a91eb199SMark Brown 0x0085, /* R44 - Analogue Left Input 0 */ 134a91eb199SMark Brown 0x0085, /* R45 - Analogue Right Input 0 */ 135a91eb199SMark Brown 0x0044, /* R46 - Analogue Left Input 1 */ 136a91eb199SMark Brown 0x0044, /* R47 - Analogue Right Input 1 */ 137a91eb199SMark Brown 0x0000, /* R48 */ 138a91eb199SMark Brown 0x0000, /* R49 */ 139a91eb199SMark Brown 0x0000, /* R50 */ 140a91eb199SMark Brown 0x0000, /* R51 */ 141a91eb199SMark Brown 0x0000, /* R52 */ 142a91eb199SMark Brown 0x0000, /* R53 */ 143a91eb199SMark Brown 0x0000, /* R54 */ 144a91eb199SMark Brown 0x0000, /* R55 */ 145a91eb199SMark Brown 0x0000, /* R56 */ 146a91eb199SMark Brown 0x002D, /* R57 - Analogue OUT1 Left */ 147a91eb199SMark Brown 0x002D, /* R58 - Analogue OUT1 Right */ 148a91eb199SMark Brown 0x0039, /* R59 - Analogue OUT2 Left */ 149a91eb199SMark Brown 0x0039, /* R60 - Analogue OUT2 Right */ 150a91eb199SMark Brown 0x0000, /* R61 - Analogue OUT12 ZC */ 151a91eb199SMark Brown 0x0000, /* R62 */ 152a91eb199SMark Brown 0x0000, /* R63 */ 153a91eb199SMark Brown 0x0000, /* R64 */ 154a91eb199SMark Brown 0x0000, /* R65 */ 155a91eb199SMark Brown 0x0000, /* R66 */ 156a91eb199SMark Brown 0x0000, /* R67 - DC Servo 0 */ 157a91eb199SMark Brown 0x0000, /* R68 - DC Servo 1 */ 158a91eb199SMark Brown 0xAAAA, /* R69 - DC Servo 2 */ 159a91eb199SMark Brown 0x0000, /* R70 */ 160a91eb199SMark Brown 0xAAAA, /* R71 - DC Servo 4 */ 161a91eb199SMark Brown 0xAAAA, /* R72 - DC Servo 5 */ 162a91eb199SMark Brown 0x0000, /* R73 - DC Servo 6 */ 163a91eb199SMark Brown 0x0000, /* R74 - DC Servo 7 */ 164a91eb199SMark Brown 0x0000, /* R75 - DC Servo 8 */ 165a91eb199SMark Brown 0x0000, /* R76 - DC Servo 9 */ 166a91eb199SMark Brown 0x0000, /* R77 - DC Servo Readback 0 */ 167a91eb199SMark Brown 0x0000, /* R78 */ 168a91eb199SMark Brown 0x0000, /* R79 */ 169a91eb199SMark Brown 0x0000, /* R80 */ 170a91eb199SMark Brown 0x0000, /* R81 */ 171a91eb199SMark Brown 0x0000, /* R82 */ 172a91eb199SMark Brown 0x0000, /* R83 */ 173a91eb199SMark Brown 0x0000, /* R84 */ 174a91eb199SMark Brown 0x0000, /* R85 */ 175a91eb199SMark Brown 0x0000, /* R86 */ 176a91eb199SMark Brown 0x0000, /* R87 */ 177a91eb199SMark Brown 0x0000, /* R88 */ 178a91eb199SMark Brown 0x0000, /* R89 */ 179a91eb199SMark Brown 0x0000, /* R90 - Analogue HP 0 */ 180a91eb199SMark Brown 0x0000, /* R91 */ 181a91eb199SMark Brown 0x0000, /* R92 */ 182a91eb199SMark Brown 0x0000, /* R93 */ 183a91eb199SMark Brown 0x0000, /* R94 - Analogue Lineout 0 */ 184a91eb199SMark Brown 0x0000, /* R95 */ 185a91eb199SMark Brown 0x0000, /* R96 */ 186a91eb199SMark Brown 0x0000, /* R97 */ 187a91eb199SMark Brown 0x0000, /* R98 - Charge Pump 0 */ 188a91eb199SMark Brown 0x0000, /* R99 */ 189a91eb199SMark Brown 0x0000, /* R100 */ 190a91eb199SMark Brown 0x0000, /* R101 */ 191a91eb199SMark Brown 0x0000, /* R102 */ 192a91eb199SMark Brown 0x0000, /* R103 */ 193a91eb199SMark Brown 0x0004, /* R104 - Class W 0 */ 194a91eb199SMark Brown 0x0000, /* R105 */ 195a91eb199SMark Brown 0x0000, /* R106 */ 196a91eb199SMark Brown 0x0000, /* R107 */ 197a91eb199SMark Brown 0x0000, /* R108 - Write Sequencer 0 */ 198a91eb199SMark Brown 0x0000, /* R109 - Write Sequencer 1 */ 199a91eb199SMark Brown 0x0000, /* R110 - Write Sequencer 2 */ 200a91eb199SMark Brown 0x0000, /* R111 - Write Sequencer 3 */ 201a91eb199SMark Brown 0x0000, /* R112 - Write Sequencer 4 */ 202a91eb199SMark Brown 0x0000, /* R113 */ 203a91eb199SMark Brown 0x0000, /* R114 */ 204a91eb199SMark Brown 0x0000, /* R115 */ 205a91eb199SMark Brown 0x0000, /* R116 - FLL Control 1 */ 206a91eb199SMark Brown 0x0007, /* R117 - FLL Control 2 */ 207a91eb199SMark Brown 0x0000, /* R118 - FLL Control 3 */ 208a91eb199SMark Brown 0x2EE0, /* R119 - FLL Control 4 */ 209a91eb199SMark Brown 0x0004, /* R120 - FLL Control 5 */ 210a91eb199SMark Brown 0x0014, /* R121 - GPIO Control 1 */ 211a91eb199SMark Brown 0x0010, /* R122 - GPIO Control 2 */ 212a91eb199SMark Brown 0x0010, /* R123 - GPIO Control 3 */ 213a91eb199SMark Brown 0x0000, /* R124 - GPIO Control 4 */ 214a91eb199SMark Brown 0x0000, /* R125 */ 215a91eb199SMark Brown 0x0000, /* R126 - Digital Pulls */ 216a91eb199SMark Brown 0x0000, /* R127 - Interrupt Status */ 217a91eb199SMark Brown 0xFFFF, /* R128 - Interrupt Status Mask */ 218a91eb199SMark Brown 0x0000, /* R129 - Interrupt Polarity */ 219a91eb199SMark Brown 0x0000, /* R130 - Interrupt Debounce */ 220a91eb199SMark Brown 0x0000, /* R131 */ 221a91eb199SMark Brown 0x0000, /* R132 */ 222a91eb199SMark Brown 0x0000, /* R133 */ 223a91eb199SMark Brown 0x0000, /* R134 - EQ1 */ 224a91eb199SMark Brown 0x000C, /* R135 - EQ2 */ 225a91eb199SMark Brown 0x000C, /* R136 - EQ3 */ 226a91eb199SMark Brown 0x000C, /* R137 - EQ4 */ 227a91eb199SMark Brown 0x000C, /* R138 - EQ5 */ 228a91eb199SMark Brown 0x000C, /* R139 - EQ6 */ 229a91eb199SMark Brown 0x0FCA, /* R140 - EQ7 */ 230a91eb199SMark Brown 0x0400, /* R141 - EQ8 */ 231a91eb199SMark Brown 0x00D8, /* R142 - EQ9 */ 232a91eb199SMark Brown 0x1EB5, /* R143 - EQ10 */ 233a91eb199SMark Brown 0xF145, /* R144 - EQ11 */ 234a91eb199SMark Brown 0x0B75, /* R145 - EQ12 */ 235a91eb199SMark Brown 0x01C5, /* R146 - EQ13 */ 236a91eb199SMark Brown 0x1C58, /* R147 - EQ14 */ 237a91eb199SMark Brown 0xF373, /* R148 - EQ15 */ 238a91eb199SMark Brown 0x0A54, /* R149 - EQ16 */ 239a91eb199SMark Brown 0x0558, /* R150 - EQ17 */ 240a91eb199SMark Brown 0x168E, /* R151 - EQ18 */ 241a91eb199SMark Brown 0xF829, /* R152 - EQ19 */ 242a91eb199SMark Brown 0x07AD, /* R153 - EQ20 */ 243a91eb199SMark Brown 0x1103, /* R154 - EQ21 */ 244a91eb199SMark Brown 0x0564, /* R155 - EQ22 */ 245a91eb199SMark Brown 0x0559, /* R156 - EQ23 */ 246a91eb199SMark Brown 0x4000, /* R157 - EQ24 */ 247a91eb199SMark Brown 0x0000, /* R158 */ 248a91eb199SMark Brown 0x0000, /* R159 */ 249a91eb199SMark Brown 0x0000, /* R160 */ 250a91eb199SMark Brown 0x0000, /* R161 - Control Interface Test 1 */ 251a91eb199SMark Brown 0x0000, /* R162 */ 252a91eb199SMark Brown 0x0000, /* R163 */ 253a91eb199SMark Brown 0x0000, /* R164 */ 254a91eb199SMark Brown 0x0000, /* R165 */ 255a91eb199SMark Brown 0x0000, /* R166 */ 256a91eb199SMark Brown 0x0000, /* R167 */ 257a91eb199SMark Brown 0x0000, /* R168 */ 258a91eb199SMark Brown 0x0000, /* R169 */ 259a91eb199SMark Brown 0x0000, /* R170 */ 260a91eb199SMark Brown 0x0000, /* R171 */ 261a91eb199SMark Brown 0x0000, /* R172 */ 262a91eb199SMark Brown 0x0000, /* R173 */ 263a91eb199SMark Brown 0x0000, /* R174 */ 264a91eb199SMark Brown 0x0000, /* R175 */ 265a91eb199SMark Brown 0x0000, /* R176 */ 266a91eb199SMark Brown 0x0000, /* R177 */ 267a91eb199SMark Brown 0x0000, /* R178 */ 268a91eb199SMark Brown 0x0000, /* R179 */ 269a91eb199SMark Brown 0x0000, /* R180 */ 270a91eb199SMark Brown 0x0000, /* R181 */ 271a91eb199SMark Brown 0x0000, /* R182 */ 272a91eb199SMark Brown 0x0000, /* R183 */ 273a91eb199SMark Brown 0x0000, /* R184 */ 274a91eb199SMark Brown 0x0000, /* R185 */ 275a91eb199SMark Brown 0x0000, /* R186 */ 276a91eb199SMark Brown 0x0000, /* R187 */ 277a91eb199SMark Brown 0x0000, /* R188 */ 278a91eb199SMark Brown 0x0000, /* R189 */ 279a91eb199SMark Brown 0x0000, /* R190 */ 280a91eb199SMark Brown 0x0000, /* R191 */ 281a91eb199SMark Brown 0x0000, /* R192 */ 282a91eb199SMark Brown 0x0000, /* R193 */ 283a91eb199SMark Brown 0x0000, /* R194 */ 284a91eb199SMark Brown 0x0000, /* R195 */ 285a91eb199SMark Brown 0x0000, /* R196 */ 286a91eb199SMark Brown 0x0000, /* R197 */ 287a91eb199SMark Brown 0x0000, /* R198 */ 288a91eb199SMark Brown 0x0000, /* R199 */ 289a91eb199SMark Brown 0x0000, /* R200 */ 290a91eb199SMark Brown 0x0000, /* R201 */ 291a91eb199SMark Brown 0x0000, /* R202 */ 292a91eb199SMark Brown 0x0000, /* R203 */ 293a91eb199SMark Brown 0x0000, /* R204 - Analogue Output Bias 0 */ 294a91eb199SMark Brown 0x0000, /* R205 */ 295a91eb199SMark Brown 0x0000, /* R206 */ 296a91eb199SMark Brown 0x0000, /* R207 */ 297a91eb199SMark Brown 0x0000, /* R208 */ 298a91eb199SMark Brown 0x0000, /* R209 */ 299a91eb199SMark Brown 0x0000, /* R210 */ 300a91eb199SMark Brown 0x0000, /* R211 */ 301a91eb199SMark Brown 0x0000, /* R212 */ 302a91eb199SMark Brown 0x0000, /* R213 */ 303a91eb199SMark Brown 0x0000, /* R214 */ 304a91eb199SMark Brown 0x0000, /* R215 */ 305a91eb199SMark Brown 0x0000, /* R216 */ 306a91eb199SMark Brown 0x0000, /* R217 */ 307a91eb199SMark Brown 0x0000, /* R218 */ 308a91eb199SMark Brown 0x0000, /* R219 */ 309a91eb199SMark Brown 0x0000, /* R220 */ 310a91eb199SMark Brown 0x0000, /* R221 */ 311a91eb199SMark Brown 0x0000, /* R222 */ 312a91eb199SMark Brown 0x0000, /* R223 */ 313a91eb199SMark Brown 0x0000, /* R224 */ 314a91eb199SMark Brown 0x0000, /* R225 */ 315a91eb199SMark Brown 0x0000, /* R226 */ 316a91eb199SMark Brown 0x0000, /* R227 */ 317a91eb199SMark Brown 0x0000, /* R228 */ 318a91eb199SMark Brown 0x0000, /* R229 */ 319a91eb199SMark Brown 0x0000, /* R230 */ 320a91eb199SMark Brown 0x0000, /* R231 */ 321a91eb199SMark Brown 0x0000, /* R232 */ 322a91eb199SMark Brown 0x0000, /* R233 */ 323a91eb199SMark Brown 0x0000, /* R234 */ 324a91eb199SMark Brown 0x0000, /* R235 */ 325a91eb199SMark Brown 0x0000, /* R236 */ 326a91eb199SMark Brown 0x0000, /* R237 */ 327a91eb199SMark Brown 0x0000, /* R238 */ 328a91eb199SMark Brown 0x0000, /* R239 */ 329a91eb199SMark Brown 0x0000, /* R240 */ 330a91eb199SMark Brown 0x0000, /* R241 */ 331a91eb199SMark Brown 0x0000, /* R242 */ 332a91eb199SMark Brown 0x0000, /* R243 */ 333a91eb199SMark Brown 0x0000, /* R244 */ 334a91eb199SMark Brown 0x0000, /* R245 */ 335a91eb199SMark Brown 0x0000, /* R246 */ 336a91eb199SMark Brown 0x0000, /* R247 - FLL NCO Test 0 */ 337a91eb199SMark Brown 0x0019, /* R248 - FLL NCO Test 1 */ 338a91eb199SMark Brown }; 339a91eb199SMark Brown 340a91eb199SMark Brown static struct { 341a91eb199SMark Brown int readable; 342a91eb199SMark Brown int writable; 343a91eb199SMark Brown int vol; 344a91eb199SMark Brown } wm8904_access[] = { 345a91eb199SMark Brown { 0xFFFF, 0xFFFF, 1 }, /* R0 - SW Reset and ID */ 346a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R1 - Revision */ 347a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R2 */ 348a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R3 */ 349a91eb199SMark Brown { 0x001F, 0x001F, 0 }, /* R4 - Bias Control 0 */ 350a91eb199SMark Brown { 0x0047, 0x0047, 0 }, /* R5 - VMID Control 0 */ 351a91eb199SMark Brown { 0x007F, 0x007F, 0 }, /* R6 - Mic Bias Control 0 */ 352a91eb199SMark Brown { 0xC007, 0xC007, 0 }, /* R7 - Mic Bias Control 1 */ 353a91eb199SMark Brown { 0x001E, 0x001E, 0 }, /* R8 - Analogue DAC 0 */ 354a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R9 - mic Filter Control */ 355a91eb199SMark Brown { 0x0001, 0x0001, 0 }, /* R10 - Analogue ADC 0 */ 356a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R11 */ 357a91eb199SMark Brown { 0x0003, 0x0003, 0 }, /* R12 - Power Management 0 */ 358a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R13 */ 359a91eb199SMark Brown { 0x0003, 0x0003, 0 }, /* R14 - Power Management 2 */ 360a91eb199SMark Brown { 0x0003, 0x0003, 0 }, /* R15 - Power Management 3 */ 361a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R16 */ 362a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R17 */ 363a91eb199SMark Brown { 0x000F, 0x000F, 0 }, /* R18 - Power Management 6 */ 364a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R19 */ 365a91eb199SMark Brown { 0x7001, 0x7001, 0 }, /* R20 - Clock Rates 0 */ 366a91eb199SMark Brown { 0x3C07, 0x3C07, 0 }, /* R21 - Clock Rates 1 */ 367a91eb199SMark Brown { 0xD00F, 0xD00F, 0 }, /* R22 - Clock Rates 2 */ 368a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R23 */ 369a91eb199SMark Brown { 0x1FFF, 0x1FFF, 0 }, /* R24 - Audio Interface 0 */ 370a91eb199SMark Brown { 0x3DDF, 0x3DDF, 0 }, /* R25 - Audio Interface 1 */ 371a91eb199SMark Brown { 0x0F1F, 0x0F1F, 0 }, /* R26 - Audio Interface 2 */ 372a91eb199SMark Brown { 0x0FFF, 0x0FFF, 0 }, /* R27 - Audio Interface 3 */ 373a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R28 */ 374a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R29 */ 375a91eb199SMark Brown { 0x00FF, 0x01FF, 0 }, /* R30 - DAC Digital Volume Left */ 376a91eb199SMark Brown { 0x00FF, 0x01FF, 0 }, /* R31 - DAC Digital Volume Right */ 377a91eb199SMark Brown { 0x0FFF, 0x0FFF, 0 }, /* R32 - DAC Digital 0 */ 378a91eb199SMark Brown { 0x1E4E, 0x1E4E, 0 }, /* R33 - DAC Digital 1 */ 379a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R34 */ 380a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R35 */ 381a91eb199SMark Brown { 0x00FF, 0x01FF, 0 }, /* R36 - ADC Digital Volume Left */ 382a91eb199SMark Brown { 0x00FF, 0x01FF, 0 }, /* R37 - ADC Digital Volume Right */ 383a91eb199SMark Brown { 0x0073, 0x0073, 0 }, /* R38 - ADC Digital 0 */ 384a91eb199SMark Brown { 0x1800, 0x1800, 0 }, /* R39 - Digital Microphone 0 */ 385a91eb199SMark Brown { 0xDFEF, 0xDFEF, 0 }, /* R40 - DRC 0 */ 386a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R41 - DRC 1 */ 387a91eb199SMark Brown { 0x003F, 0x003F, 0 }, /* R42 - DRC 2 */ 388a91eb199SMark Brown { 0x07FF, 0x07FF, 0 }, /* R43 - DRC 3 */ 389a91eb199SMark Brown { 0x009F, 0x009F, 0 }, /* R44 - Analogue Left Input 0 */ 390a91eb199SMark Brown { 0x009F, 0x009F, 0 }, /* R45 - Analogue Right Input 0 */ 391a91eb199SMark Brown { 0x007F, 0x007F, 0 }, /* R46 - Analogue Left Input 1 */ 392a91eb199SMark Brown { 0x007F, 0x007F, 0 }, /* R47 - Analogue Right Input 1 */ 393a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R48 */ 394a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R49 */ 395a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R50 */ 396a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R51 */ 397a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R52 */ 398a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R53 */ 399a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R54 */ 400a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R55 */ 401a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R56 */ 402a91eb199SMark Brown { 0x017F, 0x01FF, 0 }, /* R57 - Analogue OUT1 Left */ 403a91eb199SMark Brown { 0x017F, 0x01FF, 0 }, /* R58 - Analogue OUT1 Right */ 404a91eb199SMark Brown { 0x017F, 0x01FF, 0 }, /* R59 - Analogue OUT2 Left */ 405a91eb199SMark Brown { 0x017F, 0x01FF, 0 }, /* R60 - Analogue OUT2 Right */ 406a91eb199SMark Brown { 0x000F, 0x000F, 0 }, /* R61 - Analogue OUT12 ZC */ 407a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R62 */ 408a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R63 */ 409a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R64 */ 410a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R65 */ 411a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R66 */ 412a91eb199SMark Brown { 0x000F, 0x000F, 0 }, /* R67 - DC Servo 0 */ 413a91eb199SMark Brown { 0xFFFF, 0xFFFF, 1 }, /* R68 - DC Servo 1 */ 414a91eb199SMark Brown { 0x0F0F, 0x0F0F, 0 }, /* R69 - DC Servo 2 */ 415a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R70 */ 416a91eb199SMark Brown { 0x007F, 0x007F, 0 }, /* R71 - DC Servo 4 */ 417a91eb199SMark Brown { 0x007F, 0x007F, 0 }, /* R72 - DC Servo 5 */ 418a91eb199SMark Brown { 0x00FF, 0x00FF, 1 }, /* R73 - DC Servo 6 */ 419a91eb199SMark Brown { 0x00FF, 0x00FF, 1 }, /* R74 - DC Servo 7 */ 420a91eb199SMark Brown { 0x00FF, 0x00FF, 1 }, /* R75 - DC Servo 8 */ 421a91eb199SMark Brown { 0x00FF, 0x00FF, 1 }, /* R76 - DC Servo 9 */ 422a91eb199SMark Brown { 0x0FFF, 0x0000, 1 }, /* R77 - DC Servo Readback 0 */ 423a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R78 */ 424a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R79 */ 425a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R80 */ 426a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R81 */ 427a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R82 */ 428a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R83 */ 429a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R84 */ 430a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R85 */ 431a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R86 */ 432a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R87 */ 433a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R88 */ 434a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R89 */ 435a91eb199SMark Brown { 0x00FF, 0x00FF, 0 }, /* R90 - Analogue HP 0 */ 436a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R91 */ 437a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R92 */ 438a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R93 */ 439a91eb199SMark Brown { 0x00FF, 0x00FF, 0 }, /* R94 - Analogue Lineout 0 */ 440a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R95 */ 441a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R96 */ 442a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R97 */ 443a91eb199SMark Brown { 0x0001, 0x0001, 0 }, /* R98 - Charge Pump 0 */ 444a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R99 */ 445a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R100 */ 446a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R101 */ 447a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R102 */ 448a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R103 */ 449a91eb199SMark Brown { 0x0001, 0x0001, 0 }, /* R104 - Class W 0 */ 450a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R105 */ 451a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R106 */ 452a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R107 */ 453a91eb199SMark Brown { 0x011F, 0x011F, 0 }, /* R108 - Write Sequencer 0 */ 454a91eb199SMark Brown { 0x7FFF, 0x7FFF, 0 }, /* R109 - Write Sequencer 1 */ 455a91eb199SMark Brown { 0x4FFF, 0x4FFF, 0 }, /* R110 - Write Sequencer 2 */ 456a91eb199SMark Brown { 0x003F, 0x033F, 0 }, /* R111 - Write Sequencer 3 */ 457a91eb199SMark Brown { 0x03F1, 0x0000, 0 }, /* R112 - Write Sequencer 4 */ 458a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R113 */ 459a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R114 */ 460a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R115 */ 461a91eb199SMark Brown { 0x0007, 0x0007, 0 }, /* R116 - FLL Control 1 */ 462a91eb199SMark Brown { 0x3F77, 0x3F77, 0 }, /* R117 - FLL Control 2 */ 463a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R118 - FLL Control 3 */ 464a91eb199SMark Brown { 0x7FEF, 0x7FEF, 0 }, /* R119 - FLL Control 4 */ 465a91eb199SMark Brown { 0x001B, 0x001B, 0 }, /* R120 - FLL Control 5 */ 466a91eb199SMark Brown { 0x003F, 0x003F, 0 }, /* R121 - GPIO Control 1 */ 467a91eb199SMark Brown { 0x003F, 0x003F, 0 }, /* R122 - GPIO Control 2 */ 468a91eb199SMark Brown { 0x003F, 0x003F, 0 }, /* R123 - GPIO Control 3 */ 469a91eb199SMark Brown { 0x038F, 0x038F, 0 }, /* R124 - GPIO Control 4 */ 470a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R125 */ 471a91eb199SMark Brown { 0x00FF, 0x00FF, 0 }, /* R126 - Digital Pulls */ 472a91eb199SMark Brown { 0x07FF, 0x03FF, 1 }, /* R127 - Interrupt Status */ 473a91eb199SMark Brown { 0x03FF, 0x03FF, 0 }, /* R128 - Interrupt Status Mask */ 474a91eb199SMark Brown { 0x03FF, 0x03FF, 0 }, /* R129 - Interrupt Polarity */ 475a91eb199SMark Brown { 0x03FF, 0x03FF, 0 }, /* R130 - Interrupt Debounce */ 476a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R131 */ 477a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R132 */ 478a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R133 */ 479a91eb199SMark Brown { 0x0001, 0x0001, 0 }, /* R134 - EQ1 */ 480a91eb199SMark Brown { 0x001F, 0x001F, 0 }, /* R135 - EQ2 */ 481a91eb199SMark Brown { 0x001F, 0x001F, 0 }, /* R136 - EQ3 */ 482a91eb199SMark Brown { 0x001F, 0x001F, 0 }, /* R137 - EQ4 */ 483a91eb199SMark Brown { 0x001F, 0x001F, 0 }, /* R138 - EQ5 */ 484a91eb199SMark Brown { 0x001F, 0x001F, 0 }, /* R139 - EQ6 */ 485a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R140 - EQ7 */ 486a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R141 - EQ8 */ 487a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R142 - EQ9 */ 488a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R143 - EQ10 */ 489a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R144 - EQ11 */ 490a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R145 - EQ12 */ 491a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R146 - EQ13 */ 492a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R147 - EQ14 */ 493a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R148 - EQ15 */ 494a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R149 - EQ16 */ 495a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R150 - EQ17 */ 496a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R151wm8523_dai - EQ18 */ 497a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R152 - EQ19 */ 498a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R153 - EQ20 */ 499a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R154 - EQ21 */ 500a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R155 - EQ22 */ 501a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R156 - EQ23 */ 502a91eb199SMark Brown { 0xFFFF, 0xFFFF, 0 }, /* R157 - EQ24 */ 503a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R158 */ 504a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R159 */ 505a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R160 */ 506a91eb199SMark Brown { 0x0002, 0x0002, 0 }, /* R161 - Control Interface Test 1 */ 507a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R162 */ 508a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R163 */ 509a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R164 */ 510a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R165 */ 511a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R166 */ 512a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R167 */ 513a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R168 */ 514a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R169 */ 515a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R170 */ 516a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R171 */ 517a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R172 */ 518a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R173 */ 519a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R174 */ 520a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R175 */ 521a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R176 */ 522a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R177 */ 523a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R178 */ 524a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R179 */ 525a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R180 */ 526a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R181 */ 527a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R182 */ 528a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R183 */ 529a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R184 */ 530a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R185 */ 531a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R186 */ 532a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R187 */ 533a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R188 */ 534a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R189 */ 535a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R190 */ 536a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R191 */ 537a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R192 */ 538a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R193 */ 539a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R194 */ 540a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R195 */ 541a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R196 */ 542a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R197 */ 543a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R198 */ 544a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R199 */ 545a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R200 */ 546a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R201 */ 547a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R202 */ 548a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R203 */ 549a91eb199SMark Brown { 0x0070, 0x0070, 0 }, /* R204 - Analogue Output Bias 0 */ 550a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R205 */ 551a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R206 */ 552a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R207 */ 553a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R208 */ 554a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R209 */ 555a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R210 */ 556a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R211 */ 557a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R212 */ 558a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R213 */ 559a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R214 */ 560a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R215 */ 561a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R216 */ 562a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R217 */ 563a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R218 */ 564a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R219 */ 565a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R220 */ 566a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R221 */ 567a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R222 */ 568a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R223 */ 569a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R224 */ 570a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R225 */ 571a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R226 */ 572a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R227 */ 573a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R228 */ 574a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R229 */ 575a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R230 */ 576a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R231 */ 577a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R232 */ 578a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R233 */ 579a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R234 */ 580a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R235 */ 581a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R236 */ 582a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R237 */ 583a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R238 */ 584a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R239 */ 585a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R240 */ 586a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R241 */ 587a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R242 */ 588a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R243 */ 589a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R244 */ 590a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R245 */ 591a91eb199SMark Brown { 0x0000, 0x0000, 0 }, /* R246 */ 592a91eb199SMark Brown { 0x0001, 0x0001, 0 }, /* R247 - FLL NCO Test 0 */ 593a91eb199SMark Brown { 0x003F, 0x003F, 0 }, /* R248 - FLL NCO Test 1 */ 594a91eb199SMark Brown }; 595a91eb199SMark Brown 596a91eb199SMark Brown static int wm8904_volatile_register(unsigned int reg) 597a91eb199SMark Brown { 598a91eb199SMark Brown return wm8904_access[reg].vol; 599a91eb199SMark Brown } 600a91eb199SMark Brown 601a91eb199SMark Brown static int wm8904_reset(struct snd_soc_codec *codec) 602a91eb199SMark Brown { 603a91eb199SMark Brown return snd_soc_write(codec, WM8904_SW_RESET_AND_ID, 0); 604a91eb199SMark Brown } 605a91eb199SMark Brown 606a91eb199SMark Brown static int wm8904_configure_clocking(struct snd_soc_codec *codec) 607a91eb199SMark Brown { 608a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 609a91eb199SMark Brown unsigned int clock0, clock2, rate; 610a91eb199SMark Brown 611a91eb199SMark Brown /* Gate the clock while we're updating to avoid misclocking */ 612a91eb199SMark Brown clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2); 613a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, 614a91eb199SMark Brown WM8904_SYSCLK_SRC, 0); 615a91eb199SMark Brown 616a91eb199SMark Brown /* This should be done on init() for bypass paths */ 617a91eb199SMark Brown switch (wm8904->sysclk_src) { 618a91eb199SMark Brown case WM8904_CLK_MCLK: 619a91eb199SMark Brown dev_dbg(codec->dev, "Using %dHz MCLK\n", wm8904->mclk_rate); 620a91eb199SMark Brown 621a91eb199SMark Brown clock2 &= ~WM8904_SYSCLK_SRC; 622a91eb199SMark Brown rate = wm8904->mclk_rate; 623a91eb199SMark Brown 624a91eb199SMark Brown /* Ensure the FLL is stopped */ 625a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 626a91eb199SMark Brown WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); 627a91eb199SMark Brown break; 628a91eb199SMark Brown 629a91eb199SMark Brown case WM8904_CLK_FLL: 630a91eb199SMark Brown dev_dbg(codec->dev, "Using %dHz FLL clock\n", 631a91eb199SMark Brown wm8904->fll_fout); 632a91eb199SMark Brown 633a91eb199SMark Brown clock2 |= WM8904_SYSCLK_SRC; 634a91eb199SMark Brown rate = wm8904->fll_fout; 635a91eb199SMark Brown break; 636a91eb199SMark Brown 637a91eb199SMark Brown default: 638a91eb199SMark Brown dev_err(codec->dev, "System clock not configured\n"); 639a91eb199SMark Brown return -EINVAL; 640a91eb199SMark Brown } 641a91eb199SMark Brown 642a91eb199SMark Brown /* SYSCLK shouldn't be over 13.5MHz */ 643a91eb199SMark Brown if (rate > 13500000) { 644a91eb199SMark Brown clock0 = WM8904_MCLK_DIV; 645a91eb199SMark Brown wm8904->sysclk_rate = rate / 2; 646a91eb199SMark Brown } else { 647a91eb199SMark Brown clock0 = 0; 648a91eb199SMark Brown wm8904->sysclk_rate = rate; 649a91eb199SMark Brown } 650a91eb199SMark Brown 651a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0, WM8904_MCLK_DIV, 652a91eb199SMark Brown clock0); 653a91eb199SMark Brown 654a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, 655a91eb199SMark Brown WM8904_CLK_SYS_ENA | WM8904_SYSCLK_SRC, clock2); 656a91eb199SMark Brown 657a91eb199SMark Brown dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm8904->sysclk_rate); 658a91eb199SMark Brown 659a91eb199SMark Brown return 0; 660a91eb199SMark Brown } 661a91eb199SMark Brown 662a91eb199SMark Brown static void wm8904_set_drc(struct snd_soc_codec *codec) 663a91eb199SMark Brown { 664a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 665a91eb199SMark Brown struct wm8904_pdata *pdata = wm8904->pdata; 666a91eb199SMark Brown int save, i; 667a91eb199SMark Brown 668a91eb199SMark Brown /* Save any enables; the configuration should clear them. */ 669a91eb199SMark Brown save = snd_soc_read(codec, WM8904_DRC_0); 670a91eb199SMark Brown 671a91eb199SMark Brown for (i = 0; i < WM8904_DRC_REGS; i++) 672a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_DRC_0 + i, 0xffff, 673a91eb199SMark Brown pdata->drc_cfgs[wm8904->drc_cfg].regs[i]); 674a91eb199SMark Brown 675a91eb199SMark Brown /* Reenable the DRC */ 676a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_DRC_0, 677a91eb199SMark Brown WM8904_DRC_ENA | WM8904_DRC_DAC_PATH, save); 678a91eb199SMark Brown } 679a91eb199SMark Brown 680a91eb199SMark Brown static int wm8904_put_drc_enum(struct snd_kcontrol *kcontrol, 681a91eb199SMark Brown struct snd_ctl_elem_value *ucontrol) 682a91eb199SMark Brown { 683a91eb199SMark Brown struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 684a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 685a91eb199SMark Brown struct wm8904_pdata *pdata = wm8904->pdata; 686a91eb199SMark Brown int value = ucontrol->value.integer.value[0]; 687a91eb199SMark Brown 688a91eb199SMark Brown if (value >= pdata->num_drc_cfgs) 689a91eb199SMark Brown return -EINVAL; 690a91eb199SMark Brown 691a91eb199SMark Brown wm8904->drc_cfg = value; 692a91eb199SMark Brown 693a91eb199SMark Brown wm8904_set_drc(codec); 694a91eb199SMark Brown 695a91eb199SMark Brown return 0; 696a91eb199SMark Brown } 697a91eb199SMark Brown 698a91eb199SMark Brown static int wm8904_get_drc_enum(struct snd_kcontrol *kcontrol, 699a91eb199SMark Brown struct snd_ctl_elem_value *ucontrol) 700a91eb199SMark Brown { 701a91eb199SMark Brown struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 702a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 703a91eb199SMark Brown 704a91eb199SMark Brown ucontrol->value.enumerated.item[0] = wm8904->drc_cfg; 705a91eb199SMark Brown 706a91eb199SMark Brown return 0; 707a91eb199SMark Brown } 708a91eb199SMark Brown 709a91eb199SMark Brown static void wm8904_set_retune_mobile(struct snd_soc_codec *codec) 710a91eb199SMark Brown { 711a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 712a91eb199SMark Brown struct wm8904_pdata *pdata = wm8904->pdata; 713a91eb199SMark Brown int best, best_val, save, i, cfg; 714a91eb199SMark Brown 715a91eb199SMark Brown if (!pdata || !wm8904->num_retune_mobile_texts) 716a91eb199SMark Brown return; 717a91eb199SMark Brown 718a91eb199SMark Brown /* Find the version of the currently selected configuration 719a91eb199SMark Brown * with the nearest sample rate. */ 720a91eb199SMark Brown cfg = wm8904->retune_mobile_cfg; 721a91eb199SMark Brown best = 0; 722a91eb199SMark Brown best_val = INT_MAX; 723a91eb199SMark Brown for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { 724a91eb199SMark Brown if (strcmp(pdata->retune_mobile_cfgs[i].name, 725a91eb199SMark Brown wm8904->retune_mobile_texts[cfg]) == 0 && 726a91eb199SMark Brown abs(pdata->retune_mobile_cfgs[i].rate 727a91eb199SMark Brown - wm8904->fs) < best_val) { 728a91eb199SMark Brown best = i; 729a91eb199SMark Brown best_val = abs(pdata->retune_mobile_cfgs[i].rate 730a91eb199SMark Brown - wm8904->fs); 731a91eb199SMark Brown } 732a91eb199SMark Brown } 733a91eb199SMark Brown 734a91eb199SMark Brown dev_dbg(codec->dev, "ReTune Mobile %s/%dHz for %dHz sample rate\n", 735a91eb199SMark Brown pdata->retune_mobile_cfgs[best].name, 736a91eb199SMark Brown pdata->retune_mobile_cfgs[best].rate, 737a91eb199SMark Brown wm8904->fs); 738a91eb199SMark Brown 739a91eb199SMark Brown /* The EQ will be disabled while reconfiguring it, remember the 740a91eb199SMark Brown * current configuration. 741a91eb199SMark Brown */ 742a91eb199SMark Brown save = snd_soc_read(codec, WM8904_EQ1); 743a91eb199SMark Brown 744a91eb199SMark Brown for (i = 0; i < WM8904_EQ_REGS; i++) 745a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_EQ1 + i, 0xffff, 746a91eb199SMark Brown pdata->retune_mobile_cfgs[best].regs[i]); 747a91eb199SMark Brown 748a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_EQ1, WM8904_EQ_ENA, save); 749a91eb199SMark Brown } 750a91eb199SMark Brown 751a91eb199SMark Brown static int wm8904_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, 752a91eb199SMark Brown struct snd_ctl_elem_value *ucontrol) 753a91eb199SMark Brown { 754a91eb199SMark Brown struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 755a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 756a91eb199SMark Brown struct wm8904_pdata *pdata = wm8904->pdata; 757a91eb199SMark Brown int value = ucontrol->value.integer.value[0]; 758a91eb199SMark Brown 759a91eb199SMark Brown if (value >= pdata->num_retune_mobile_cfgs) 760a91eb199SMark Brown return -EINVAL; 761a91eb199SMark Brown 762a91eb199SMark Brown wm8904->retune_mobile_cfg = value; 763a91eb199SMark Brown 764a91eb199SMark Brown wm8904_set_retune_mobile(codec); 765a91eb199SMark Brown 766a91eb199SMark Brown return 0; 767a91eb199SMark Brown } 768a91eb199SMark Brown 769a91eb199SMark Brown static int wm8904_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, 770a91eb199SMark Brown struct snd_ctl_elem_value *ucontrol) 771a91eb199SMark Brown { 772a91eb199SMark Brown struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 773a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 774a91eb199SMark Brown 775a91eb199SMark Brown ucontrol->value.enumerated.item[0] = wm8904->retune_mobile_cfg; 776a91eb199SMark Brown 777a91eb199SMark Brown return 0; 778a91eb199SMark Brown } 779a91eb199SMark Brown 780a91eb199SMark Brown static int deemph_settings[] = { 0, 32000, 44100, 48000 }; 781a91eb199SMark Brown 782a91eb199SMark Brown static int wm8904_set_deemph(struct snd_soc_codec *codec) 783a91eb199SMark Brown { 784a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 785a91eb199SMark Brown int val, i, best; 786a91eb199SMark Brown 787a91eb199SMark Brown /* If we're using deemphasis select the nearest available sample 788a91eb199SMark Brown * rate. 789a91eb199SMark Brown */ 790a91eb199SMark Brown if (wm8904->deemph) { 791a91eb199SMark Brown best = 1; 792a91eb199SMark Brown for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { 793a91eb199SMark Brown if (abs(deemph_settings[i] - wm8904->fs) < 794a91eb199SMark Brown abs(deemph_settings[best] - wm8904->fs)) 795a91eb199SMark Brown best = i; 796a91eb199SMark Brown } 797a91eb199SMark Brown 798a91eb199SMark Brown val = best << WM8904_DEEMPH_SHIFT; 799a91eb199SMark Brown } else { 800a91eb199SMark Brown val = 0; 801a91eb199SMark Brown } 802a91eb199SMark Brown 803a91eb199SMark Brown dev_dbg(codec->dev, "Set deemphasis %d\n", val); 804a91eb199SMark Brown 805a91eb199SMark Brown return snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, 806a91eb199SMark Brown WM8904_DEEMPH_MASK, val); 807a91eb199SMark Brown } 808a91eb199SMark Brown 809a91eb199SMark Brown static int wm8904_get_deemph(struct snd_kcontrol *kcontrol, 810a91eb199SMark Brown struct snd_ctl_elem_value *ucontrol) 811a91eb199SMark Brown { 812a91eb199SMark Brown struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 813a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 814a91eb199SMark Brown 815a91eb199SMark Brown return wm8904->deemph; 816a91eb199SMark Brown } 817a91eb199SMark Brown 818a91eb199SMark Brown static int wm8904_put_deemph(struct snd_kcontrol *kcontrol, 819a91eb199SMark Brown struct snd_ctl_elem_value *ucontrol) 820a91eb199SMark Brown { 821a91eb199SMark Brown struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 822a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 823a91eb199SMark Brown int deemph = ucontrol->value.enumerated.item[0]; 824a91eb199SMark Brown 825a91eb199SMark Brown if (deemph > 1) 826a91eb199SMark Brown return -EINVAL; 827a91eb199SMark Brown 828a91eb199SMark Brown wm8904->deemph = deemph; 829a91eb199SMark Brown 830a91eb199SMark Brown return wm8904_set_deemph(codec); 831a91eb199SMark Brown } 832a91eb199SMark Brown 833a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); 834a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); 835a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); 836a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0); 837a91eb199SMark Brown static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); 838a91eb199SMark Brown 839a91eb199SMark Brown static const char *input_mode_text[] = { 840a91eb199SMark Brown "Single-Ended", "Differential Line", "Differential Mic" 841a91eb199SMark Brown }; 842a91eb199SMark Brown 843a91eb199SMark Brown static const struct soc_enum lin_mode = 844a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text); 845a91eb199SMark Brown 846a91eb199SMark Brown static const struct soc_enum rin_mode = 847a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text); 848a91eb199SMark Brown 849a91eb199SMark Brown static const char *hpf_mode_text[] = { 850a91eb199SMark Brown "Hi-fi", "Voice 1", "Voice 2", "Voice 3" 851a91eb199SMark Brown }; 852a91eb199SMark Brown 853a91eb199SMark Brown static const struct soc_enum hpf_mode = 854a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ADC_DIGITAL_0, 5, 4, hpf_mode_text); 855a91eb199SMark Brown 856a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_adc_snd_controls[] = { 857a91eb199SMark Brown SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8904_ADC_DIGITAL_VOLUME_LEFT, 858a91eb199SMark Brown WM8904_ADC_DIGITAL_VOLUME_RIGHT, 1, 119, 0, digital_tlv), 859a91eb199SMark Brown 860a91eb199SMark Brown SOC_ENUM("Left Caputure Mode", lin_mode), 861a91eb199SMark Brown SOC_ENUM("Right Capture Mode", rin_mode), 862a91eb199SMark Brown 863a91eb199SMark Brown /* No TLV since it depends on mode */ 864a91eb199SMark Brown SOC_DOUBLE_R("Capture Volume", WM8904_ANALOGUE_LEFT_INPUT_0, 865a91eb199SMark Brown WM8904_ANALOGUE_RIGHT_INPUT_0, 0, 31, 0), 866a91eb199SMark Brown SOC_DOUBLE_R("Capture Switch", WM8904_ANALOGUE_LEFT_INPUT_0, 867a91eb199SMark Brown WM8904_ANALOGUE_RIGHT_INPUT_0, 7, 1, 0), 868a91eb199SMark Brown 869a91eb199SMark Brown SOC_SINGLE("High Pass Filter Switch", WM8904_ADC_DIGITAL_0, 4, 1, 0), 870a91eb199SMark Brown SOC_ENUM("High Pass Filter Mode", hpf_mode), 871a91eb199SMark Brown 872a91eb199SMark Brown SOC_SINGLE("ADC 128x OSR Switch", WM8904_ANALOGUE_ADC_0, 0, 1, 0), 873a91eb199SMark Brown }; 874a91eb199SMark Brown 875a91eb199SMark Brown static const char *drc_path_text[] = { 876a91eb199SMark Brown "ADC", "DAC" 877a91eb199SMark Brown }; 878a91eb199SMark Brown 879a91eb199SMark Brown static const struct soc_enum drc_path = 880a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_DRC_0, 14, 2, drc_path_text); 881a91eb199SMark Brown 882a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_dac_snd_controls[] = { 883a91eb199SMark Brown SOC_SINGLE_TLV("Digital Playback Boost Volume", 884a91eb199SMark Brown WM8904_AUDIO_INTERFACE_0, 9, 3, 0, dac_boost_tlv), 885a91eb199SMark Brown SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8904_DAC_DIGITAL_VOLUME_LEFT, 886a91eb199SMark Brown WM8904_DAC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv), 887a91eb199SMark Brown 888a91eb199SMark Brown SOC_DOUBLE_R_TLV("Headphone Volume", WM8904_ANALOGUE_OUT1_LEFT, 889a91eb199SMark Brown WM8904_ANALOGUE_OUT1_RIGHT, 0, 63, 0, out_tlv), 890a91eb199SMark Brown SOC_DOUBLE_R("Headphone Switch", WM8904_ANALOGUE_OUT1_LEFT, 891a91eb199SMark Brown WM8904_ANALOGUE_OUT1_RIGHT, 8, 1, 1), 892a91eb199SMark Brown SOC_DOUBLE_R("Headphone ZC Switch", WM8904_ANALOGUE_OUT1_LEFT, 893a91eb199SMark Brown WM8904_ANALOGUE_OUT1_RIGHT, 6, 1, 0), 894a91eb199SMark Brown 895a91eb199SMark Brown SOC_DOUBLE_R_TLV("Line Output Volume", WM8904_ANALOGUE_OUT2_LEFT, 896a91eb199SMark Brown WM8904_ANALOGUE_OUT2_RIGHT, 0, 63, 0, out_tlv), 897a91eb199SMark Brown SOC_DOUBLE_R("Line Output Switch", WM8904_ANALOGUE_OUT2_LEFT, 898a91eb199SMark Brown WM8904_ANALOGUE_OUT2_RIGHT, 8, 1, 1), 899a91eb199SMark Brown SOC_DOUBLE_R("Line Output ZC Switch", WM8904_ANALOGUE_OUT2_LEFT, 900a91eb199SMark Brown WM8904_ANALOGUE_OUT2_RIGHT, 6, 1, 0), 901a91eb199SMark Brown 902a91eb199SMark Brown SOC_SINGLE("EQ Switch", WM8904_EQ1, 0, 1, 0), 903a91eb199SMark Brown SOC_SINGLE("DRC Switch", WM8904_DRC_0, 15, 1, 0), 904a91eb199SMark Brown SOC_ENUM("DRC Path", drc_path), 905a91eb199SMark Brown SOC_SINGLE("DAC OSRx2 Switch", WM8904_DAC_DIGITAL_1, 6, 1, 0), 906a91eb199SMark Brown SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, 907a91eb199SMark Brown wm8904_get_deemph, wm8904_put_deemph), 908a91eb199SMark Brown }; 909a91eb199SMark Brown 910a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_snd_controls[] = { 911a91eb199SMark Brown SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8904_DAC_DIGITAL_0, 4, 8, 15, 0, 912a91eb199SMark Brown sidetone_tlv), 913a91eb199SMark Brown }; 914a91eb199SMark Brown 915a91eb199SMark Brown static const struct snd_kcontrol_new wm8904_eq_controls[] = { 916a91eb199SMark Brown SOC_SINGLE_TLV("EQ1 Volume", WM8904_EQ2, 0, 24, 0, eq_tlv), 917a91eb199SMark Brown SOC_SINGLE_TLV("EQ2 Volume", WM8904_EQ3, 0, 24, 0, eq_tlv), 918a91eb199SMark Brown SOC_SINGLE_TLV("EQ3 Volume", WM8904_EQ4, 0, 24, 0, eq_tlv), 919a91eb199SMark Brown SOC_SINGLE_TLV("EQ4 Volume", WM8904_EQ5, 0, 24, 0, eq_tlv), 920a91eb199SMark Brown SOC_SINGLE_TLV("EQ5 Volume", WM8904_EQ6, 0, 24, 0, eq_tlv), 921a91eb199SMark Brown }; 922a91eb199SMark Brown 923a91eb199SMark Brown static int cp_event(struct snd_soc_dapm_widget *w, 924a91eb199SMark Brown struct snd_kcontrol *kcontrol, int event) 925a91eb199SMark Brown { 926a91eb199SMark Brown BUG_ON(event != SND_SOC_DAPM_POST_PMU); 927a91eb199SMark Brown 928a91eb199SMark Brown /* Maximum startup time */ 929a91eb199SMark Brown udelay(500); 930a91eb199SMark Brown 931a91eb199SMark Brown return 0; 932a91eb199SMark Brown } 933a91eb199SMark Brown 934a91eb199SMark Brown static int sysclk_event(struct snd_soc_dapm_widget *w, 935a91eb199SMark Brown struct snd_kcontrol *kcontrol, int event) 936a91eb199SMark Brown { 937a91eb199SMark Brown struct snd_soc_codec *codec = w->codec; 938a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 939a91eb199SMark Brown 940a91eb199SMark Brown switch (event) { 941a91eb199SMark Brown case SND_SOC_DAPM_PRE_PMU: 942a91eb199SMark Brown /* If we're using the FLL then we only start it when 943a91eb199SMark Brown * required; we assume that the configuration has been 944a91eb199SMark Brown * done previously and all we need to do is kick it 945a91eb199SMark Brown * off. 946a91eb199SMark Brown */ 947a91eb199SMark Brown switch (wm8904->sysclk_src) { 948a91eb199SMark Brown case WM8904_CLK_FLL: 949a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 950a91eb199SMark Brown WM8904_FLL_OSC_ENA, 951a91eb199SMark Brown WM8904_FLL_OSC_ENA); 952a91eb199SMark Brown 953a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 954a91eb199SMark Brown WM8904_FLL_ENA, 955a91eb199SMark Brown WM8904_FLL_ENA); 956a91eb199SMark Brown break; 957a91eb199SMark Brown 958a91eb199SMark Brown default: 959a91eb199SMark Brown break; 960a91eb199SMark Brown } 961a91eb199SMark Brown break; 962a91eb199SMark Brown 963a91eb199SMark Brown case SND_SOC_DAPM_POST_PMD: 964a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 965a91eb199SMark Brown WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); 966a91eb199SMark Brown break; 967a91eb199SMark Brown } 968a91eb199SMark Brown 969a91eb199SMark Brown return 0; 970a91eb199SMark Brown } 971a91eb199SMark Brown 972a91eb199SMark Brown static int out_pga_event(struct snd_soc_dapm_widget *w, 973a91eb199SMark Brown struct snd_kcontrol *kcontrol, int event) 974a91eb199SMark Brown { 975a91eb199SMark Brown struct snd_soc_codec *codec = w->codec; 976a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 977a91eb199SMark Brown int reg, val; 978a91eb199SMark Brown int dcs_mask; 979a91eb199SMark Brown int dcs_l, dcs_r; 980a91eb199SMark Brown int dcs_l_reg, dcs_r_reg; 981a91eb199SMark Brown int timeout; 982a91eb199SMark Brown 983a91eb199SMark Brown /* This code is shared between HP and LINEOUT; we do all our 984a91eb199SMark Brown * power management in stereo pairs to avoid latency issues so 985a91eb199SMark Brown * we reuse shift to identify which rather than strcmp() the 986a91eb199SMark Brown * name. */ 987a91eb199SMark Brown reg = w->shift; 988a91eb199SMark Brown 989a91eb199SMark Brown switch (reg) { 990a91eb199SMark Brown case WM8904_ANALOGUE_HP_0: 991a91eb199SMark Brown dcs_mask = WM8904_DCS_ENA_CHAN_0 | WM8904_DCS_ENA_CHAN_1; 992a91eb199SMark Brown dcs_r_reg = WM8904_DC_SERVO_8; 993a91eb199SMark Brown dcs_l_reg = WM8904_DC_SERVO_9; 994a91eb199SMark Brown dcs_l = 0; 995a91eb199SMark Brown dcs_r = 1; 996a91eb199SMark Brown break; 997a91eb199SMark Brown case WM8904_ANALOGUE_LINEOUT_0: 998a91eb199SMark Brown dcs_mask = WM8904_DCS_ENA_CHAN_2 | WM8904_DCS_ENA_CHAN_3; 999a91eb199SMark Brown dcs_r_reg = WM8904_DC_SERVO_6; 1000a91eb199SMark Brown dcs_l_reg = WM8904_DC_SERVO_7; 1001a91eb199SMark Brown dcs_l = 2; 1002a91eb199SMark Brown dcs_r = 3; 1003a91eb199SMark Brown break; 1004a91eb199SMark Brown default: 1005a91eb199SMark Brown BUG(); 1006a91eb199SMark Brown return -EINVAL; 1007a91eb199SMark Brown } 1008a91eb199SMark Brown 1009a91eb199SMark Brown switch (event) { 1010a91eb199SMark Brown case SND_SOC_DAPM_POST_PMU: 1011a91eb199SMark Brown /* Power on the amplifier */ 1012a91eb199SMark Brown snd_soc_update_bits(codec, reg, 1013a91eb199SMark Brown WM8904_HPL_ENA | WM8904_HPR_ENA, 1014a91eb199SMark Brown WM8904_HPL_ENA | WM8904_HPR_ENA); 1015a91eb199SMark Brown 1016a91eb199SMark Brown /* Enable the first stage */ 1017a91eb199SMark Brown snd_soc_update_bits(codec, reg, 1018a91eb199SMark Brown WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY, 1019a91eb199SMark Brown WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY); 1020a91eb199SMark Brown 1021a91eb199SMark Brown /* Power up the DC servo */ 1022a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_DC_SERVO_0, 1023a91eb199SMark Brown dcs_mask, dcs_mask); 1024a91eb199SMark Brown 1025a91eb199SMark Brown /* Either calibrate the DC servo or restore cached state 1026a91eb199SMark Brown * if we have that. 1027a91eb199SMark Brown */ 1028a91eb199SMark Brown if (wm8904->dcs_state[dcs_l] || wm8904->dcs_state[dcs_r]) { 1029a91eb199SMark Brown dev_dbg(codec->dev, "Restoring DC servo state\n"); 1030a91eb199SMark Brown 1031a91eb199SMark Brown snd_soc_write(codec, dcs_l_reg, 1032a91eb199SMark Brown wm8904->dcs_state[dcs_l]); 1033a91eb199SMark Brown snd_soc_write(codec, dcs_r_reg, 1034a91eb199SMark Brown wm8904->dcs_state[dcs_r]); 1035a91eb199SMark Brown 1036a91eb199SMark Brown snd_soc_write(codec, WM8904_DC_SERVO_1, dcs_mask); 1037a91eb199SMark Brown 1038a91eb199SMark Brown timeout = 20; 1039a91eb199SMark Brown } else { 1040a91eb199SMark Brown dev_dbg(codec->dev, "Calibrating DC servo\n"); 1041a91eb199SMark Brown 1042a91eb199SMark Brown snd_soc_write(codec, WM8904_DC_SERVO_1, 1043a91eb199SMark Brown dcs_mask << WM8904_DCS_TRIG_STARTUP_0_SHIFT); 1044a91eb199SMark Brown 1045a91eb199SMark Brown timeout = 500; 1046a91eb199SMark Brown } 1047a91eb199SMark Brown 1048a91eb199SMark Brown /* Wait for DC servo to complete */ 1049a91eb199SMark Brown dcs_mask <<= WM8904_DCS_CAL_COMPLETE_SHIFT; 1050a91eb199SMark Brown do { 1051a91eb199SMark Brown val = snd_soc_read(codec, WM8904_DC_SERVO_READBACK_0); 1052a91eb199SMark Brown if ((val & dcs_mask) == dcs_mask) 1053a91eb199SMark Brown break; 1054a91eb199SMark Brown 1055a91eb199SMark Brown msleep(1); 1056a91eb199SMark Brown } while (--timeout); 1057a91eb199SMark Brown 1058a91eb199SMark Brown if ((val & dcs_mask) != dcs_mask) 1059a91eb199SMark Brown dev_warn(codec->dev, "DC servo timed out\n"); 1060a91eb199SMark Brown else 1061a91eb199SMark Brown dev_dbg(codec->dev, "DC servo ready\n"); 1062a91eb199SMark Brown 1063a91eb199SMark Brown /* Enable the output stage */ 1064a91eb199SMark Brown snd_soc_update_bits(codec, reg, 1065a91eb199SMark Brown WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, 1066a91eb199SMark Brown WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP); 1067a91eb199SMark Brown 1068a91eb199SMark Brown /* Unshort the output itself */ 1069a91eb199SMark Brown snd_soc_update_bits(codec, reg, 1070a91eb199SMark Brown WM8904_HPL_RMV_SHORT | 1071a91eb199SMark Brown WM8904_HPR_RMV_SHORT, 1072a91eb199SMark Brown WM8904_HPL_RMV_SHORT | 1073a91eb199SMark Brown WM8904_HPR_RMV_SHORT); 1074a91eb199SMark Brown 1075a91eb199SMark Brown break; 1076a91eb199SMark Brown 1077a91eb199SMark Brown case SND_SOC_DAPM_PRE_PMD: 1078a91eb199SMark Brown /* Short the output */ 1079a91eb199SMark Brown snd_soc_update_bits(codec, reg, 1080a91eb199SMark Brown WM8904_HPL_RMV_SHORT | 1081a91eb199SMark Brown WM8904_HPR_RMV_SHORT, 0); 1082a91eb199SMark Brown 1083a91eb199SMark Brown /* Cache the DC servo configuration; this will be 1084a91eb199SMark Brown * invalidated if we change the configuration. */ 1085a91eb199SMark Brown wm8904->dcs_state[dcs_l] = snd_soc_read(codec, dcs_l_reg); 1086a91eb199SMark Brown wm8904->dcs_state[dcs_r] = snd_soc_read(codec, dcs_r_reg); 1087a91eb199SMark Brown 1088a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_DC_SERVO_0, 1089a91eb199SMark Brown dcs_mask, 0); 1090a91eb199SMark Brown 1091a91eb199SMark Brown /* Disable the amplifier input and output stages */ 1092a91eb199SMark Brown snd_soc_update_bits(codec, reg, 1093a91eb199SMark Brown WM8904_HPL_ENA | WM8904_HPR_ENA | 1094a91eb199SMark Brown WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY | 1095a91eb199SMark Brown WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, 1096a91eb199SMark Brown 0); 1097a91eb199SMark Brown break; 1098a91eb199SMark Brown } 1099a91eb199SMark Brown 1100a91eb199SMark Brown return 0; 1101a91eb199SMark Brown } 1102a91eb199SMark Brown 1103a91eb199SMark Brown static const char *lin_text[] = { 1104a91eb199SMark Brown "IN1L", "IN2L", "IN3L" 1105a91eb199SMark Brown }; 1106a91eb199SMark Brown 1107a91eb199SMark Brown static const struct soc_enum lin_enum = 1108a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 2, 3, lin_text); 1109a91eb199SMark Brown 1110a91eb199SMark Brown static const struct snd_kcontrol_new lin_mux = 1111a91eb199SMark Brown SOC_DAPM_ENUM("Left Capture Mux", lin_enum); 1112a91eb199SMark Brown 1113a91eb199SMark Brown static const struct soc_enum lin_inv_enum = 1114a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 4, 3, lin_text); 1115a91eb199SMark Brown 1116a91eb199SMark Brown static const struct snd_kcontrol_new lin_inv_mux = 1117a91eb199SMark Brown SOC_DAPM_ENUM("Left Capture Inveting Mux", lin_inv_enum); 1118a91eb199SMark Brown 1119a91eb199SMark Brown static const char *rin_text[] = { 1120a91eb199SMark Brown "IN1R", "IN2R", "IN3R" 1121a91eb199SMark Brown }; 1122a91eb199SMark Brown 1123a91eb199SMark Brown static const struct soc_enum rin_enum = 1124a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 2, 3, rin_text); 1125a91eb199SMark Brown 1126a91eb199SMark Brown static const struct snd_kcontrol_new rin_mux = 1127a91eb199SMark Brown SOC_DAPM_ENUM("Right Capture Mux", rin_enum); 1128a91eb199SMark Brown 1129a91eb199SMark Brown static const struct soc_enum rin_inv_enum = 1130a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 4, 3, rin_text); 1131a91eb199SMark Brown 1132a91eb199SMark Brown static const struct snd_kcontrol_new rin_inv_mux = 1133a91eb199SMark Brown SOC_DAPM_ENUM("Right Capture Inveting Mux", rin_inv_enum); 1134a91eb199SMark Brown 1135a91eb199SMark Brown static const char *aif_text[] = { 1136a91eb199SMark Brown "Left", "Right" 1137a91eb199SMark Brown }; 1138a91eb199SMark Brown 1139a91eb199SMark Brown static const struct soc_enum aifoutl_enum = 1140a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 7, 2, aif_text); 1141a91eb199SMark Brown 1142a91eb199SMark Brown static const struct snd_kcontrol_new aifoutl_mux = 1143a91eb199SMark Brown SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum); 1144a91eb199SMark Brown 1145a91eb199SMark Brown static const struct soc_enum aifoutr_enum = 1146a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 6, 2, aif_text); 1147a91eb199SMark Brown 1148a91eb199SMark Brown static const struct snd_kcontrol_new aifoutr_mux = 1149a91eb199SMark Brown SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum); 1150a91eb199SMark Brown 1151a91eb199SMark Brown static const struct soc_enum aifinl_enum = 1152a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 5, 2, aif_text); 1153a91eb199SMark Brown 1154a91eb199SMark Brown static const struct snd_kcontrol_new aifinl_mux = 1155a91eb199SMark Brown SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum); 1156a91eb199SMark Brown 1157a91eb199SMark Brown static const struct soc_enum aifinr_enum = 1158a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 4, 2, aif_text); 1159a91eb199SMark Brown 1160a91eb199SMark Brown static const struct snd_kcontrol_new aifinr_mux = 1161a91eb199SMark Brown SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum); 1162a91eb199SMark Brown 1163a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_core_dapm_widgets[] = { 1164a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("SYSCLK", WM8904_CLOCK_RATES_2, 2, 0, sysclk_event, 1165a91eb199SMark Brown SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1166a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8904_CLOCK_RATES_2, 1, 0, NULL, 0), 1167a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("TOCLK", WM8904_CLOCK_RATES_2, 0, 0, NULL, 0), 1168a91eb199SMark Brown }; 1169a91eb199SMark Brown 1170a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_adc_dapm_widgets[] = { 1171a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN1L"), 1172a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN1R"), 1173a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN2L"), 1174a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN2R"), 1175a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN3L"), 1176a91eb199SMark Brown SND_SOC_DAPM_INPUT("IN3R"), 1177a91eb199SMark Brown 1178a91eb199SMark Brown SND_SOC_DAPM_MICBIAS("MICBIAS", WM8904_MIC_BIAS_CONTROL_0, 0, 0), 1179a91eb199SMark Brown 1180a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lin_mux), 1181a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Capture Inverting Mux", SND_SOC_NOPM, 0, 0, 1182a91eb199SMark Brown &lin_inv_mux), 1183a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rin_mux), 1184a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Capture Inverting Mux", SND_SOC_NOPM, 0, 0, 1185a91eb199SMark Brown &rin_inv_mux), 1186a91eb199SMark Brown 1187a91eb199SMark Brown SND_SOC_DAPM_PGA("Left Capture PGA", WM8904_POWER_MANAGEMENT_0, 1, 0, 1188a91eb199SMark Brown NULL, 0), 1189a91eb199SMark Brown SND_SOC_DAPM_PGA("Right Capture PGA", WM8904_POWER_MANAGEMENT_0, 0, 0, 1190a91eb199SMark Brown NULL, 0), 1191a91eb199SMark Brown 1192a91eb199SMark Brown SND_SOC_DAPM_ADC("ADCL", NULL, WM8904_POWER_MANAGEMENT_6, 1, 0), 1193a91eb199SMark Brown SND_SOC_DAPM_ADC("ADCR", NULL, WM8904_POWER_MANAGEMENT_6, 0, 0), 1194a91eb199SMark Brown 1195a91eb199SMark Brown SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux), 1196a91eb199SMark Brown SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux), 1197a91eb199SMark Brown 1198a91eb199SMark Brown SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), 1199a91eb199SMark Brown SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), 1200a91eb199SMark Brown }; 1201a91eb199SMark Brown 1202a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_dac_dapm_widgets[] = { 1203a91eb199SMark Brown SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0), 1204a91eb199SMark Brown SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0), 1205a91eb199SMark Brown 1206a91eb199SMark Brown SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux), 1207a91eb199SMark Brown SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux), 1208a91eb199SMark Brown 1209a91eb199SMark Brown SND_SOC_DAPM_DAC("DACL", NULL, WM8904_POWER_MANAGEMENT_6, 3, 0), 1210a91eb199SMark Brown SND_SOC_DAPM_DAC("DACR", NULL, WM8904_POWER_MANAGEMENT_6, 2, 0), 1211a91eb199SMark Brown 1212a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("Charge pump", WM8904_CHARGE_PUMP_0, 0, 0, cp_event, 1213a91eb199SMark Brown SND_SOC_DAPM_POST_PMU), 1214a91eb199SMark Brown 1215a91eb199SMark Brown SND_SOC_DAPM_PGA("HPL PGA", WM8904_POWER_MANAGEMENT_2, 1, 0, NULL, 0), 1216a91eb199SMark Brown SND_SOC_DAPM_PGA("HPR PGA", WM8904_POWER_MANAGEMENT_2, 0, 0, NULL, 0), 1217a91eb199SMark Brown 1218a91eb199SMark Brown SND_SOC_DAPM_PGA("LINEL PGA", WM8904_POWER_MANAGEMENT_3, 1, 0, NULL, 0), 1219a91eb199SMark Brown SND_SOC_DAPM_PGA("LINER PGA", WM8904_POWER_MANAGEMENT_3, 0, 0, NULL, 0), 1220a91eb199SMark Brown 1221a91eb199SMark Brown SND_SOC_DAPM_PGA_E("Headphone Output", SND_SOC_NOPM, WM8904_ANALOGUE_HP_0, 1222a91eb199SMark Brown 0, NULL, 0, out_pga_event, 1223a91eb199SMark Brown SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 1224a91eb199SMark Brown SND_SOC_DAPM_PGA_E("Line Output", SND_SOC_NOPM, WM8904_ANALOGUE_LINEOUT_0, 1225a91eb199SMark Brown 0, NULL, 0, out_pga_event, 1226a91eb199SMark Brown SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 1227a91eb199SMark Brown 1228a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("HPOUTL"), 1229a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("HPOUTR"), 1230a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("LINEOUTL"), 1231a91eb199SMark Brown SND_SOC_DAPM_OUTPUT("LINEOUTR"), 1232a91eb199SMark Brown }; 1233a91eb199SMark Brown 1234a91eb199SMark Brown static const char *out_mux_text[] = { 1235a91eb199SMark Brown "DAC", "Bypass" 1236a91eb199SMark Brown }; 1237a91eb199SMark Brown 1238a91eb199SMark Brown static const struct soc_enum hpl_enum = 1239a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 3, 2, out_mux_text); 1240a91eb199SMark Brown 1241a91eb199SMark Brown static const struct snd_kcontrol_new hpl_mux = 1242a91eb199SMark Brown SOC_DAPM_ENUM("HPL Mux", hpl_enum); 1243a91eb199SMark Brown 1244a91eb199SMark Brown static const struct soc_enum hpr_enum = 1245a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 2, 2, out_mux_text); 1246a91eb199SMark Brown 1247a91eb199SMark Brown static const struct snd_kcontrol_new hpr_mux = 1248a91eb199SMark Brown SOC_DAPM_ENUM("HPR Mux", hpr_enum); 1249a91eb199SMark Brown 1250a91eb199SMark Brown static const struct soc_enum linel_enum = 1251a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 1, 2, out_mux_text); 1252a91eb199SMark Brown 1253a91eb199SMark Brown static const struct snd_kcontrol_new linel_mux = 1254a91eb199SMark Brown SOC_DAPM_ENUM("LINEL Mux", linel_enum); 1255a91eb199SMark Brown 1256a91eb199SMark Brown static const struct soc_enum liner_enum = 1257a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 0, 2, out_mux_text); 1258a91eb199SMark Brown 1259a91eb199SMark Brown static const struct snd_kcontrol_new liner_mux = 1260a91eb199SMark Brown SOC_DAPM_ENUM("LINEL Mux", liner_enum); 1261a91eb199SMark Brown 1262a91eb199SMark Brown static const char *sidetone_text[] = { 1263a91eb199SMark Brown "None", "Left", "Right" 1264a91eb199SMark Brown }; 1265a91eb199SMark Brown 1266a91eb199SMark Brown static const struct soc_enum dacl_sidetone_enum = 1267a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 2, 3, sidetone_text); 1268a91eb199SMark Brown 1269a91eb199SMark Brown static const struct snd_kcontrol_new dacl_sidetone_mux = 1270a91eb199SMark Brown SOC_DAPM_ENUM("Left Sidetone Mux", dacl_sidetone_enum); 1271a91eb199SMark Brown 1272a91eb199SMark Brown static const struct soc_enum dacr_sidetone_enum = 1273a91eb199SMark Brown SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 0, 3, sidetone_text); 1274a91eb199SMark Brown 1275a91eb199SMark Brown static const struct snd_kcontrol_new dacr_sidetone_mux = 1276a91eb199SMark Brown SOC_DAPM_ENUM("Right Sidetone Mux", dacr_sidetone_enum); 1277a91eb199SMark Brown 1278a91eb199SMark Brown static const struct snd_soc_dapm_widget wm8904_dapm_widgets[] = { 1279a91eb199SMark Brown SND_SOC_DAPM_SUPPLY("Class G", WM8904_CLASS_W_0, 0, 1, NULL, 0), 1280a91eb199SMark Brown SND_SOC_DAPM_PGA("Left Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), 1281a91eb199SMark Brown SND_SOC_DAPM_PGA("Right Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), 1282a91eb199SMark Brown 1283a91eb199SMark Brown SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &dacl_sidetone_mux), 1284a91eb199SMark Brown SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &dacr_sidetone_mux), 1285a91eb199SMark Brown 1286a91eb199SMark Brown SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_mux), 1287a91eb199SMark Brown SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_mux), 1288a91eb199SMark Brown SND_SOC_DAPM_MUX("LINEL Mux", SND_SOC_NOPM, 0, 0, &linel_mux), 1289a91eb199SMark Brown SND_SOC_DAPM_MUX("LINER Mux", SND_SOC_NOPM, 0, 0, &liner_mux), 1290a91eb199SMark Brown }; 1291a91eb199SMark Brown 1292a91eb199SMark Brown static const struct snd_soc_dapm_route core_intercon[] = { 1293a91eb199SMark Brown { "CLK_DSP", NULL, "SYSCLK" }, 1294a91eb199SMark Brown { "TOCLK", NULL, "SYSCLK" }, 1295a91eb199SMark Brown }; 1296a91eb199SMark Brown 1297a91eb199SMark Brown static const struct snd_soc_dapm_route adc_intercon[] = { 1298a91eb199SMark Brown { "Left Capture Mux", "IN1L", "IN1L" }, 1299a91eb199SMark Brown { "Left Capture Mux", "IN2L", "IN2L" }, 1300a91eb199SMark Brown { "Left Capture Mux", "IN3L", "IN3L" }, 1301a91eb199SMark Brown 1302a91eb199SMark Brown { "Left Capture Inverting Mux", "IN1L", "IN1L" }, 1303a91eb199SMark Brown { "Left Capture Inverting Mux", "IN2L", "IN2L" }, 1304a91eb199SMark Brown { "Left Capture Inverting Mux", "IN3L", "IN3L" }, 1305a91eb199SMark Brown 1306a91eb199SMark Brown { "Right Capture Mux", "IN1R", "IN1R" }, 1307a91eb199SMark Brown { "Right Capture Mux", "IN2R", "IN2R" }, 1308a91eb199SMark Brown { "Right Capture Mux", "IN3R", "IN3R" }, 1309a91eb199SMark Brown 1310a91eb199SMark Brown { "Right Capture Inverting Mux", "IN1R", "IN1R" }, 1311a91eb199SMark Brown { "Right Capture Inverting Mux", "IN2R", "IN2R" }, 1312a91eb199SMark Brown { "Right Capture Inverting Mux", "IN3R", "IN3R" }, 1313a91eb199SMark Brown 1314a91eb199SMark Brown { "Left Capture PGA", NULL, "Left Capture Mux" }, 1315a91eb199SMark Brown { "Left Capture PGA", NULL, "Left Capture Inverting Mux" }, 1316a91eb199SMark Brown 1317a91eb199SMark Brown { "Right Capture PGA", NULL, "Right Capture Mux" }, 1318a91eb199SMark Brown { "Right Capture PGA", NULL, "Right Capture Inverting Mux" }, 1319a91eb199SMark Brown 1320a91eb199SMark Brown { "AIFOUTL", "Left", "ADCL" }, 1321a91eb199SMark Brown { "AIFOUTL", "Right", "ADCR" }, 1322a91eb199SMark Brown { "AIFOUTR", "Left", "ADCL" }, 1323a91eb199SMark Brown { "AIFOUTR", "Right", "ADCR" }, 1324a91eb199SMark Brown 1325a91eb199SMark Brown { "ADCL", NULL, "CLK_DSP" }, 1326a91eb199SMark Brown { "ADCL", NULL, "Left Capture PGA" }, 1327a91eb199SMark Brown 1328a91eb199SMark Brown { "ADCR", NULL, "CLK_DSP" }, 1329a91eb199SMark Brown { "ADCR", NULL, "Right Capture PGA" }, 1330a91eb199SMark Brown }; 1331a91eb199SMark Brown 1332a91eb199SMark Brown static const struct snd_soc_dapm_route dac_intercon[] = { 1333a91eb199SMark Brown { "DACL", "Right", "AIFINR" }, 1334a91eb199SMark Brown { "DACL", "Left", "AIFINL" }, 1335a91eb199SMark Brown { "DACL", NULL, "CLK_DSP" }, 1336a91eb199SMark Brown 1337a91eb199SMark Brown { "DACR", "Right", "AIFINR" }, 1338a91eb199SMark Brown { "DACR", "Left", "AIFINL" }, 1339a91eb199SMark Brown { "DACR", NULL, "CLK_DSP" }, 1340a91eb199SMark Brown 1341a91eb199SMark Brown { "Charge pump", NULL, "SYSCLK" }, 1342a91eb199SMark Brown 1343a91eb199SMark Brown { "Headphone Output", NULL, "HPL PGA" }, 1344a91eb199SMark Brown { "Headphone Output", NULL, "HPR PGA" }, 1345a91eb199SMark Brown { "Headphone Output", NULL, "Charge pump" }, 1346a91eb199SMark Brown { "Headphone Output", NULL, "TOCLK" }, 1347a91eb199SMark Brown 1348a91eb199SMark Brown { "Line Output", NULL, "LINEL PGA" }, 1349a91eb199SMark Brown { "Line Output", NULL, "LINER PGA" }, 1350a91eb199SMark Brown { "Line Output", NULL, "Charge pump" }, 1351a91eb199SMark Brown { "Line Output", NULL, "TOCLK" }, 1352a91eb199SMark Brown 1353a91eb199SMark Brown { "HPOUTL", NULL, "Headphone Output" }, 1354a91eb199SMark Brown { "HPOUTR", NULL, "Headphone Output" }, 1355a91eb199SMark Brown 1356a91eb199SMark Brown { "LINEOUTL", NULL, "Line Output" }, 1357a91eb199SMark Brown { "LINEOUTR", NULL, "Line Output" }, 1358a91eb199SMark Brown }; 1359a91eb199SMark Brown 1360a91eb199SMark Brown static const struct snd_soc_dapm_route wm8904_intercon[] = { 1361a91eb199SMark Brown { "Left Sidetone", "Left", "ADCL" }, 1362a91eb199SMark Brown { "Left Sidetone", "Right", "ADCR" }, 1363a91eb199SMark Brown { "DACL", NULL, "Left Sidetone" }, 1364a91eb199SMark Brown 1365a91eb199SMark Brown { "Right Sidetone", "Left", "ADCL" }, 1366a91eb199SMark Brown { "Right Sidetone", "Right", "ADCR" }, 1367a91eb199SMark Brown { "DACR", NULL, "Right Sidetone" }, 1368a91eb199SMark Brown 1369a91eb199SMark Brown { "Left Bypass", NULL, "Class G" }, 1370a91eb199SMark Brown { "Left Bypass", NULL, "Left Capture PGA" }, 1371a91eb199SMark Brown 1372a91eb199SMark Brown { "Right Bypass", NULL, "Class G" }, 1373a91eb199SMark Brown { "Right Bypass", NULL, "Right Capture PGA" }, 1374a91eb199SMark Brown 1375a91eb199SMark Brown { "HPL Mux", "DAC", "DACL" }, 1376a91eb199SMark Brown { "HPL Mux", "Bypass", "Left Bypass" }, 1377a91eb199SMark Brown 1378a91eb199SMark Brown { "HPR Mux", "DAC", "DACR" }, 1379a91eb199SMark Brown { "HPR Mux", "Bypass", "Right Bypass" }, 1380a91eb199SMark Brown 1381a91eb199SMark Brown { "LINEL Mux", "DAC", "DACL" }, 1382a91eb199SMark Brown { "LINEL Mux", "Bypass", "Left Bypass" }, 1383a91eb199SMark Brown 1384a91eb199SMark Brown { "LINER Mux", "DAC", "DACR" }, 1385a91eb199SMark Brown { "LINER Mux", "Bypass", "Right Bypass" }, 1386a91eb199SMark Brown 1387a91eb199SMark Brown { "HPL PGA", NULL, "HPL Mux" }, 1388a91eb199SMark Brown { "HPR PGA", NULL, "HPR Mux" }, 1389a91eb199SMark Brown 1390a91eb199SMark Brown { "LINEL PGA", NULL, "LINEL Mux" }, 1391a91eb199SMark Brown { "LINER PGA", NULL, "LINER Mux" }, 1392a91eb199SMark Brown }; 1393a91eb199SMark Brown 1394a91eb199SMark Brown static int wm8904_add_widgets(struct snd_soc_codec *codec) 1395a91eb199SMark Brown { 1396a91eb199SMark Brown snd_soc_add_controls(codec, wm8904_adc_snd_controls, 1397a91eb199SMark Brown ARRAY_SIZE(wm8904_adc_snd_controls)); 1398a91eb199SMark Brown snd_soc_add_controls(codec, wm8904_dac_snd_controls, 1399a91eb199SMark Brown ARRAY_SIZE(wm8904_dac_snd_controls)); 1400a91eb199SMark Brown snd_soc_add_controls(codec, wm8904_snd_controls, 1401a91eb199SMark Brown ARRAY_SIZE(wm8904_snd_controls)); 1402a91eb199SMark Brown 1403a91eb199SMark Brown snd_soc_dapm_new_controls(codec, wm8904_core_dapm_widgets, 1404a91eb199SMark Brown ARRAY_SIZE(wm8904_core_dapm_widgets)); 1405a91eb199SMark Brown snd_soc_dapm_new_controls(codec, wm8904_adc_dapm_widgets, 1406a91eb199SMark Brown ARRAY_SIZE(wm8904_adc_dapm_widgets)); 1407a91eb199SMark Brown snd_soc_dapm_new_controls(codec, wm8904_dac_dapm_widgets, 1408a91eb199SMark Brown ARRAY_SIZE(wm8904_dac_dapm_widgets)); 1409a91eb199SMark Brown snd_soc_dapm_new_controls(codec, wm8904_dapm_widgets, 1410a91eb199SMark Brown ARRAY_SIZE(wm8904_dapm_widgets)); 1411a91eb199SMark Brown 1412a91eb199SMark Brown snd_soc_dapm_add_routes(codec, core_intercon, 1413a91eb199SMark Brown ARRAY_SIZE(core_intercon)); 1414a91eb199SMark Brown snd_soc_dapm_add_routes(codec, adc_intercon, ARRAY_SIZE(adc_intercon)); 1415a91eb199SMark Brown snd_soc_dapm_add_routes(codec, dac_intercon, ARRAY_SIZE(dac_intercon)); 1416a91eb199SMark Brown snd_soc_dapm_add_routes(codec, wm8904_intercon, 1417a91eb199SMark Brown ARRAY_SIZE(wm8904_intercon)); 1418a91eb199SMark Brown 1419a91eb199SMark Brown snd_soc_dapm_new_widgets(codec); 1420a91eb199SMark Brown return 0; 1421a91eb199SMark Brown } 1422a91eb199SMark Brown 1423a91eb199SMark Brown static struct { 1424a91eb199SMark Brown int ratio; 1425a91eb199SMark Brown unsigned int clk_sys_rate; 1426a91eb199SMark Brown } clk_sys_rates[] = { 1427a91eb199SMark Brown { 64, 0 }, 1428a91eb199SMark Brown { 128, 1 }, 1429a91eb199SMark Brown { 192, 2 }, 1430a91eb199SMark Brown { 256, 3 }, 1431a91eb199SMark Brown { 384, 4 }, 1432a91eb199SMark Brown { 512, 5 }, 1433a91eb199SMark Brown { 786, 6 }, 1434a91eb199SMark Brown { 1024, 7 }, 1435a91eb199SMark Brown { 1408, 8 }, 1436a91eb199SMark Brown { 1536, 9 }, 1437a91eb199SMark Brown }; 1438a91eb199SMark Brown 1439a91eb199SMark Brown static struct { 1440a91eb199SMark Brown int rate; 1441a91eb199SMark Brown int sample_rate; 1442a91eb199SMark Brown } sample_rates[] = { 1443a91eb199SMark Brown { 8000, 0 }, 1444a91eb199SMark Brown { 11025, 1 }, 1445a91eb199SMark Brown { 12000, 1 }, 1446a91eb199SMark Brown { 16000, 2 }, 1447a91eb199SMark Brown { 22050, 3 }, 1448a91eb199SMark Brown { 24000, 3 }, 1449a91eb199SMark Brown { 32000, 4 }, 1450a91eb199SMark Brown { 44100, 5 }, 1451a91eb199SMark Brown { 48000, 5 }, 1452a91eb199SMark Brown }; 1453a91eb199SMark Brown 1454a91eb199SMark Brown static struct { 1455a91eb199SMark Brown int div; /* *10 due to .5s */ 1456a91eb199SMark Brown int bclk_div; 1457a91eb199SMark Brown } bclk_divs[] = { 1458a91eb199SMark Brown { 10, 0 }, 1459a91eb199SMark Brown { 15, 1 }, 1460a91eb199SMark Brown { 20, 2 }, 1461a91eb199SMark Brown { 30, 3 }, 1462a91eb199SMark Brown { 40, 4 }, 1463a91eb199SMark Brown { 50, 5 }, 1464a91eb199SMark Brown { 55, 6 }, 1465a91eb199SMark Brown { 60, 7 }, 1466a91eb199SMark Brown { 80, 8 }, 1467a91eb199SMark Brown { 100, 9 }, 1468a91eb199SMark Brown { 110, 10 }, 1469a91eb199SMark Brown { 120, 11 }, 1470a91eb199SMark Brown { 160, 12 }, 1471a91eb199SMark Brown { 200, 13 }, 1472a91eb199SMark Brown { 220, 14 }, 1473a91eb199SMark Brown { 240, 16 }, 1474a91eb199SMark Brown { 200, 17 }, 1475a91eb199SMark Brown { 320, 18 }, 1476a91eb199SMark Brown { 440, 19 }, 1477a91eb199SMark Brown { 480, 20 }, 1478a91eb199SMark Brown }; 1479a91eb199SMark Brown 1480a91eb199SMark Brown 1481a91eb199SMark Brown static int wm8904_hw_params(struct snd_pcm_substream *substream, 1482a91eb199SMark Brown struct snd_pcm_hw_params *params, 1483a91eb199SMark Brown struct snd_soc_dai *dai) 1484a91eb199SMark Brown { 1485a91eb199SMark Brown struct snd_soc_codec *codec = dai->codec; 1486a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 1487a91eb199SMark Brown int ret, i, best, best_val, cur_val; 1488a91eb199SMark Brown unsigned int aif1 = 0; 1489a91eb199SMark Brown unsigned int aif2 = 0; 1490a91eb199SMark Brown unsigned int aif3 = 0; 1491a91eb199SMark Brown unsigned int clock1 = 0; 1492a91eb199SMark Brown unsigned int dac_digital1 = 0; 1493a91eb199SMark Brown 1494a91eb199SMark Brown /* What BCLK do we need? */ 1495a91eb199SMark Brown wm8904->fs = params_rate(params); 1496a91eb199SMark Brown if (wm8904->tdm_slots) { 1497a91eb199SMark Brown dev_dbg(codec->dev, "Configuring for %d %d bit TDM slots\n", 1498a91eb199SMark Brown wm8904->tdm_slots, wm8904->tdm_width); 1499a91eb199SMark Brown wm8904->bclk = snd_soc_calc_bclk(wm8904->fs, 1500a91eb199SMark Brown wm8904->tdm_width, 2, 1501a91eb199SMark Brown wm8904->tdm_slots); 1502a91eb199SMark Brown } else { 1503a91eb199SMark Brown wm8904->bclk = snd_soc_params_to_bclk(params); 1504a91eb199SMark Brown } 1505a91eb199SMark Brown 150656927eb0SMark Brown switch (params_format(params)) { 150756927eb0SMark Brown case SNDRV_PCM_FORMAT_S16_LE: 150856927eb0SMark Brown break; 150956927eb0SMark Brown case SNDRV_PCM_FORMAT_S20_3LE: 151056927eb0SMark Brown aif1 |= 0x40; 151156927eb0SMark Brown break; 151256927eb0SMark Brown case SNDRV_PCM_FORMAT_S24_LE: 151356927eb0SMark Brown aif1 |= 0x80; 151456927eb0SMark Brown break; 151556927eb0SMark Brown case SNDRV_PCM_FORMAT_S32_LE: 151656927eb0SMark Brown aif1 |= 0xc0; 151756927eb0SMark Brown break; 151856927eb0SMark Brown default: 151956927eb0SMark Brown return -EINVAL; 152056927eb0SMark Brown } 152156927eb0SMark Brown 152256927eb0SMark Brown 1523a91eb199SMark Brown dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm8904->bclk); 1524a91eb199SMark Brown 1525a91eb199SMark Brown ret = wm8904_configure_clocking(codec); 1526a91eb199SMark Brown if (ret != 0) 1527a91eb199SMark Brown return ret; 1528a91eb199SMark Brown 1529a91eb199SMark Brown /* Select nearest CLK_SYS_RATE */ 1530a91eb199SMark Brown best = 0; 1531a91eb199SMark Brown best_val = abs((wm8904->sysclk_rate / clk_sys_rates[0].ratio) 1532a91eb199SMark Brown - wm8904->fs); 1533a91eb199SMark Brown for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) { 1534a91eb199SMark Brown cur_val = abs((wm8904->sysclk_rate / 1535a91eb199SMark Brown clk_sys_rates[i].ratio) - wm8904->fs);; 1536a91eb199SMark Brown if (cur_val < best_val) { 1537a91eb199SMark Brown best = i; 1538a91eb199SMark Brown best_val = cur_val; 1539a91eb199SMark Brown } 1540a91eb199SMark Brown } 1541a91eb199SMark Brown dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n", 1542a91eb199SMark Brown clk_sys_rates[best].ratio); 1543a91eb199SMark Brown clock1 |= (clk_sys_rates[best].clk_sys_rate 1544a91eb199SMark Brown << WM8904_CLK_SYS_RATE_SHIFT); 1545a91eb199SMark Brown 1546a91eb199SMark Brown /* SAMPLE_RATE */ 1547a91eb199SMark Brown best = 0; 1548a91eb199SMark Brown best_val = abs(wm8904->fs - sample_rates[0].rate); 1549a91eb199SMark Brown for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { 1550a91eb199SMark Brown /* Closest match */ 1551a91eb199SMark Brown cur_val = abs(wm8904->fs - sample_rates[i].rate); 1552a91eb199SMark Brown if (cur_val < best_val) { 1553a91eb199SMark Brown best = i; 1554a91eb199SMark Brown best_val = cur_val; 1555a91eb199SMark Brown } 1556a91eb199SMark Brown } 1557a91eb199SMark Brown dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n", 1558a91eb199SMark Brown sample_rates[best].rate); 1559a91eb199SMark Brown clock1 |= (sample_rates[best].sample_rate 1560a91eb199SMark Brown << WM8904_SAMPLE_RATE_SHIFT); 1561a91eb199SMark Brown 1562a91eb199SMark Brown /* Enable sloping stopband filter for low sample rates */ 1563a91eb199SMark Brown if (wm8904->fs <= 24000) 1564a91eb199SMark Brown dac_digital1 |= WM8904_DAC_SB_FILT; 1565a91eb199SMark Brown 1566a91eb199SMark Brown /* BCLK_DIV */ 1567a91eb199SMark Brown best = 0; 1568a91eb199SMark Brown best_val = INT_MAX; 1569a91eb199SMark Brown for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { 1570a91eb199SMark Brown cur_val = ((wm8904->sysclk_rate * 10) / bclk_divs[i].div) 1571a91eb199SMark Brown - wm8904->bclk; 1572a91eb199SMark Brown if (cur_val < 0) /* Table is sorted */ 1573a91eb199SMark Brown break; 1574a91eb199SMark Brown if (cur_val < best_val) { 1575a91eb199SMark Brown best = i; 1576a91eb199SMark Brown best_val = cur_val; 1577a91eb199SMark Brown } 1578a91eb199SMark Brown } 1579a91eb199SMark Brown wm8904->bclk = (wm8904->sysclk_rate * 10) / bclk_divs[best].div; 1580a91eb199SMark Brown dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n", 1581a91eb199SMark Brown bclk_divs[best].div, wm8904->bclk); 1582a91eb199SMark Brown aif2 |= bclk_divs[best].bclk_div; 1583a91eb199SMark Brown 1584a91eb199SMark Brown /* LRCLK is a simple fraction of BCLK */ 1585a91eb199SMark Brown dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm8904->bclk / wm8904->fs); 1586a91eb199SMark Brown aif3 |= wm8904->bclk / wm8904->fs; 1587a91eb199SMark Brown 1588a91eb199SMark Brown /* Apply the settings */ 1589a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, 1590a91eb199SMark Brown WM8904_DAC_SB_FILT, dac_digital1); 1591a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, 1592a91eb199SMark Brown WM8904_AIF_WL_MASK, aif1); 1593a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_2, 1594a91eb199SMark Brown WM8904_BCLK_DIV_MASK, aif2); 1595a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3, 1596a91eb199SMark Brown WM8904_LRCLK_RATE_MASK, aif3); 1597a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CLOCK_RATES_1, 1598a91eb199SMark Brown WM8904_SAMPLE_RATE_MASK | 1599a91eb199SMark Brown WM8904_CLK_SYS_RATE_MASK, clock1); 1600a91eb199SMark Brown 1601a91eb199SMark Brown /* Update filters for the new settings */ 1602a91eb199SMark Brown wm8904_set_retune_mobile(codec); 1603a91eb199SMark Brown wm8904_set_deemph(codec); 1604a91eb199SMark Brown 1605a91eb199SMark Brown return 0; 1606a91eb199SMark Brown } 1607a91eb199SMark Brown 1608a91eb199SMark Brown 1609a91eb199SMark Brown static int wm8904_set_sysclk(struct snd_soc_dai *dai, int clk_id, 1610a91eb199SMark Brown unsigned int freq, int dir) 1611a91eb199SMark Brown { 1612a91eb199SMark Brown struct snd_soc_codec *codec = dai->codec; 1613a91eb199SMark Brown struct wm8904_priv *priv = codec->private_data; 1614a91eb199SMark Brown 1615a91eb199SMark Brown switch (clk_id) { 1616a91eb199SMark Brown case WM8904_CLK_MCLK: 1617a91eb199SMark Brown priv->sysclk_src = clk_id; 1618a91eb199SMark Brown priv->mclk_rate = freq; 1619a91eb199SMark Brown break; 1620a91eb199SMark Brown 1621a91eb199SMark Brown case WM8904_CLK_FLL: 1622a91eb199SMark Brown priv->sysclk_src = clk_id; 1623a91eb199SMark Brown break; 1624a91eb199SMark Brown 1625a91eb199SMark Brown default: 1626a91eb199SMark Brown return -EINVAL; 1627a91eb199SMark Brown } 1628a91eb199SMark Brown 1629a91eb199SMark Brown dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq); 1630a91eb199SMark Brown 1631a91eb199SMark Brown wm8904_configure_clocking(codec); 1632a91eb199SMark Brown 1633a91eb199SMark Brown return 0; 1634a91eb199SMark Brown } 1635a91eb199SMark Brown 1636a91eb199SMark Brown static int wm8904_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) 1637a91eb199SMark Brown { 1638a91eb199SMark Brown struct snd_soc_codec *codec = dai->codec; 1639a91eb199SMark Brown unsigned int aif1 = 0; 1640a91eb199SMark Brown unsigned int aif3 = 0; 1641a91eb199SMark Brown 1642a91eb199SMark Brown switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1643a91eb199SMark Brown case SND_SOC_DAIFMT_CBS_CFS: 1644a91eb199SMark Brown break; 1645a91eb199SMark Brown case SND_SOC_DAIFMT_CBS_CFM: 1646a91eb199SMark Brown aif3 |= WM8904_LRCLK_DIR; 1647a91eb199SMark Brown break; 1648a91eb199SMark Brown case SND_SOC_DAIFMT_CBM_CFS: 1649a91eb199SMark Brown aif1 |= WM8904_BCLK_DIR; 1650a91eb199SMark Brown break; 1651a91eb199SMark Brown case SND_SOC_DAIFMT_CBM_CFM: 1652a91eb199SMark Brown aif1 |= WM8904_BCLK_DIR; 1653a91eb199SMark Brown aif3 |= WM8904_LRCLK_DIR; 1654a91eb199SMark Brown break; 1655a91eb199SMark Brown default: 1656a91eb199SMark Brown return -EINVAL; 1657a91eb199SMark Brown } 1658a91eb199SMark Brown 1659a91eb199SMark Brown switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1660a91eb199SMark Brown case SND_SOC_DAIFMT_DSP_B: 1661a91eb199SMark Brown aif1 |= WM8904_AIF_LRCLK_INV; 1662a91eb199SMark Brown case SND_SOC_DAIFMT_DSP_A: 1663a91eb199SMark Brown aif1 |= 0x3; 1664a91eb199SMark Brown break; 1665a91eb199SMark Brown case SND_SOC_DAIFMT_I2S: 1666a91eb199SMark Brown aif1 |= 0x2; 1667a91eb199SMark Brown break; 1668a91eb199SMark Brown case SND_SOC_DAIFMT_RIGHT_J: 1669a91eb199SMark Brown break; 1670a91eb199SMark Brown case SND_SOC_DAIFMT_LEFT_J: 1671a91eb199SMark Brown aif1 |= 0x1; 1672a91eb199SMark Brown break; 1673a91eb199SMark Brown default: 1674a91eb199SMark Brown return -EINVAL; 1675a91eb199SMark Brown } 1676a91eb199SMark Brown 1677a91eb199SMark Brown switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1678a91eb199SMark Brown case SND_SOC_DAIFMT_DSP_A: 1679a91eb199SMark Brown case SND_SOC_DAIFMT_DSP_B: 1680a91eb199SMark Brown /* frame inversion not valid for DSP modes */ 1681a91eb199SMark Brown switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1682a91eb199SMark Brown case SND_SOC_DAIFMT_NB_NF: 1683a91eb199SMark Brown break; 1684a91eb199SMark Brown case SND_SOC_DAIFMT_IB_NF: 1685a91eb199SMark Brown aif1 |= WM8904_AIF_BCLK_INV; 1686a91eb199SMark Brown break; 1687a91eb199SMark Brown default: 1688a91eb199SMark Brown return -EINVAL; 1689a91eb199SMark Brown } 1690a91eb199SMark Brown break; 1691a91eb199SMark Brown 1692a91eb199SMark Brown case SND_SOC_DAIFMT_I2S: 1693a91eb199SMark Brown case SND_SOC_DAIFMT_RIGHT_J: 1694a91eb199SMark Brown case SND_SOC_DAIFMT_LEFT_J: 1695a91eb199SMark Brown switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1696a91eb199SMark Brown case SND_SOC_DAIFMT_NB_NF: 1697a91eb199SMark Brown break; 1698a91eb199SMark Brown case SND_SOC_DAIFMT_IB_IF: 1699a91eb199SMark Brown aif1 |= WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV; 1700a91eb199SMark Brown break; 1701a91eb199SMark Brown case SND_SOC_DAIFMT_IB_NF: 1702a91eb199SMark Brown aif1 |= WM8904_AIF_BCLK_INV; 1703a91eb199SMark Brown break; 1704a91eb199SMark Brown case SND_SOC_DAIFMT_NB_IF: 1705a91eb199SMark Brown aif1 |= WM8904_AIF_LRCLK_INV; 1706a91eb199SMark Brown break; 1707a91eb199SMark Brown default: 1708a91eb199SMark Brown return -EINVAL; 1709a91eb199SMark Brown } 1710a91eb199SMark Brown break; 1711a91eb199SMark Brown default: 1712a91eb199SMark Brown return -EINVAL; 1713a91eb199SMark Brown } 1714a91eb199SMark Brown 1715a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, 1716a91eb199SMark Brown WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV | 1717a91eb199SMark Brown WM8904_AIF_FMT_MASK | WM8904_BCLK_DIR, aif1); 1718a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3, 1719a91eb199SMark Brown WM8904_LRCLK_DIR, aif3); 1720a91eb199SMark Brown 1721a91eb199SMark Brown return 0; 1722a91eb199SMark Brown } 1723a91eb199SMark Brown 1724a91eb199SMark Brown 1725a91eb199SMark Brown static int wm8904_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, 1726a91eb199SMark Brown unsigned int rx_mask, int slots, int slot_width) 1727a91eb199SMark Brown { 1728a91eb199SMark Brown struct snd_soc_codec *codec = dai->codec; 1729a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 1730a91eb199SMark Brown int aif1 = 0; 1731a91eb199SMark Brown 1732a91eb199SMark Brown /* Don't need to validate anything if we're turning off TDM */ 1733a91eb199SMark Brown if (slots == 0) 1734a91eb199SMark Brown goto out; 1735a91eb199SMark Brown 1736a91eb199SMark Brown /* Note that we allow configurations we can't handle ourselves - 1737a91eb199SMark Brown * for example, we can generate clocks for slots 2 and up even if 1738a91eb199SMark Brown * we can't use those slots ourselves. 1739a91eb199SMark Brown */ 1740a91eb199SMark Brown aif1 |= WM8904_AIFADC_TDM | WM8904_AIFDAC_TDM; 1741a91eb199SMark Brown 1742a91eb199SMark Brown switch (rx_mask) { 1743a91eb199SMark Brown case 3: 1744a91eb199SMark Brown break; 1745a91eb199SMark Brown case 0xc: 1746a91eb199SMark Brown aif1 |= WM8904_AIFADC_TDM_CHAN; 1747a91eb199SMark Brown break; 1748a91eb199SMark Brown default: 1749a91eb199SMark Brown return -EINVAL; 1750a91eb199SMark Brown } 1751a91eb199SMark Brown 1752a91eb199SMark Brown 1753a91eb199SMark Brown switch (tx_mask) { 1754a91eb199SMark Brown case 3: 1755a91eb199SMark Brown break; 1756a91eb199SMark Brown case 0xc: 1757a91eb199SMark Brown aif1 |= WM8904_AIFDAC_TDM_CHAN; 1758a91eb199SMark Brown break; 1759a91eb199SMark Brown default: 1760a91eb199SMark Brown return -EINVAL; 1761a91eb199SMark Brown } 1762a91eb199SMark Brown 1763a91eb199SMark Brown out: 1764a91eb199SMark Brown wm8904->tdm_width = slot_width; 1765a91eb199SMark Brown wm8904->tdm_slots = slots / 2; 1766a91eb199SMark Brown 1767a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, 1768a91eb199SMark Brown WM8904_AIFADC_TDM | WM8904_AIFADC_TDM_CHAN | 1769a91eb199SMark Brown WM8904_AIFDAC_TDM | WM8904_AIFDAC_TDM_CHAN, aif1); 1770a91eb199SMark Brown 1771a91eb199SMark Brown return 0; 1772a91eb199SMark Brown } 1773a91eb199SMark Brown 1774a91eb199SMark Brown struct _fll_div { 1775a91eb199SMark Brown u16 fll_fratio; 1776a91eb199SMark Brown u16 fll_outdiv; 1777a91eb199SMark Brown u16 fll_clk_ref_div; 1778a91eb199SMark Brown u16 n; 1779a91eb199SMark Brown u16 k; 1780a91eb199SMark Brown }; 1781a91eb199SMark Brown 1782a91eb199SMark Brown /* The size in bits of the FLL divide multiplied by 10 1783a91eb199SMark Brown * to allow rounding later */ 1784a91eb199SMark Brown #define FIXED_FLL_SIZE ((1 << 16) * 10) 1785a91eb199SMark Brown 1786a91eb199SMark Brown static struct { 1787a91eb199SMark Brown unsigned int min; 1788a91eb199SMark Brown unsigned int max; 1789a91eb199SMark Brown u16 fll_fratio; 1790a91eb199SMark Brown int ratio; 1791a91eb199SMark Brown } fll_fratios[] = { 1792a91eb199SMark Brown { 0, 64000, 4, 16 }, 1793a91eb199SMark Brown { 64000, 128000, 3, 8 }, 1794a91eb199SMark Brown { 128000, 256000, 2, 4 }, 1795a91eb199SMark Brown { 256000, 1000000, 1, 2 }, 1796a91eb199SMark Brown { 1000000, 13500000, 0, 1 }, 1797a91eb199SMark Brown }; 1798a91eb199SMark Brown 1799a91eb199SMark Brown static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, 1800a91eb199SMark Brown unsigned int Fout) 1801a91eb199SMark Brown { 1802a91eb199SMark Brown u64 Kpart; 1803a91eb199SMark Brown unsigned int K, Ndiv, Nmod, target; 1804a91eb199SMark Brown unsigned int div; 1805a91eb199SMark Brown int i; 1806a91eb199SMark Brown 1807a91eb199SMark Brown /* Fref must be <=13.5MHz */ 1808a91eb199SMark Brown div = 1; 1809a91eb199SMark Brown fll_div->fll_clk_ref_div = 0; 1810a91eb199SMark Brown while ((Fref / div) > 13500000) { 1811a91eb199SMark Brown div *= 2; 1812a91eb199SMark Brown fll_div->fll_clk_ref_div++; 1813a91eb199SMark Brown 1814a91eb199SMark Brown if (div > 8) { 1815a91eb199SMark Brown pr_err("Can't scale %dMHz input down to <=13.5MHz\n", 1816a91eb199SMark Brown Fref); 1817a91eb199SMark Brown return -EINVAL; 1818a91eb199SMark Brown } 1819a91eb199SMark Brown } 1820a91eb199SMark Brown 1821a91eb199SMark Brown pr_debug("Fref=%u Fout=%u\n", Fref, Fout); 1822a91eb199SMark Brown 1823a91eb199SMark Brown /* Apply the division for our remaining calculations */ 1824a91eb199SMark Brown Fref /= div; 1825a91eb199SMark Brown 1826a91eb199SMark Brown /* Fvco should be 90-100MHz; don't check the upper bound */ 1827a91eb199SMark Brown div = 4; 1828a91eb199SMark Brown while (Fout * div < 90000000) { 1829a91eb199SMark Brown div++; 1830a91eb199SMark Brown if (div > 64) { 1831a91eb199SMark Brown pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", 1832a91eb199SMark Brown Fout); 1833a91eb199SMark Brown return -EINVAL; 1834a91eb199SMark Brown } 1835a91eb199SMark Brown } 1836a91eb199SMark Brown target = Fout * div; 1837a91eb199SMark Brown fll_div->fll_outdiv = div - 1; 1838a91eb199SMark Brown 1839a91eb199SMark Brown pr_debug("Fvco=%dHz\n", target); 1840a91eb199SMark Brown 1841a91eb199SMark Brown /* Find an appropraite FLL_FRATIO and factor it out of the target */ 1842a91eb199SMark Brown for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { 1843a91eb199SMark Brown if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { 1844a91eb199SMark Brown fll_div->fll_fratio = fll_fratios[i].fll_fratio; 1845a91eb199SMark Brown target /= fll_fratios[i].ratio; 1846a91eb199SMark Brown break; 1847a91eb199SMark Brown } 1848a91eb199SMark Brown } 1849a91eb199SMark Brown if (i == ARRAY_SIZE(fll_fratios)) { 1850a91eb199SMark Brown pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); 1851a91eb199SMark Brown return -EINVAL; 1852a91eb199SMark Brown } 1853a91eb199SMark Brown 1854a91eb199SMark Brown /* Now, calculate N.K */ 1855a91eb199SMark Brown Ndiv = target / Fref; 1856a91eb199SMark Brown 1857a91eb199SMark Brown fll_div->n = Ndiv; 1858a91eb199SMark Brown Nmod = target % Fref; 1859a91eb199SMark Brown pr_debug("Nmod=%d\n", Nmod); 1860a91eb199SMark Brown 1861a91eb199SMark Brown /* Calculate fractional part - scale up so we can round. */ 1862a91eb199SMark Brown Kpart = FIXED_FLL_SIZE * (long long)Nmod; 1863a91eb199SMark Brown 1864a91eb199SMark Brown do_div(Kpart, Fref); 1865a91eb199SMark Brown 1866a91eb199SMark Brown K = Kpart & 0xFFFFFFFF; 1867a91eb199SMark Brown 1868a91eb199SMark Brown if ((K % 10) >= 5) 1869a91eb199SMark Brown K += 5; 1870a91eb199SMark Brown 1871a91eb199SMark Brown /* Move down to proper range now rounding is done */ 1872a91eb199SMark Brown fll_div->k = K / 10; 1873a91eb199SMark Brown 1874a91eb199SMark Brown pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n", 1875a91eb199SMark Brown fll_div->n, fll_div->k, 1876a91eb199SMark Brown fll_div->fll_fratio, fll_div->fll_outdiv, 1877a91eb199SMark Brown fll_div->fll_clk_ref_div); 1878a91eb199SMark Brown 1879a91eb199SMark Brown return 0; 1880a91eb199SMark Brown } 1881a91eb199SMark Brown 1882a91eb199SMark Brown static int wm8904_set_fll(struct snd_soc_dai *dai, int fll_id, int source, 1883a91eb199SMark Brown unsigned int Fref, unsigned int Fout) 1884a91eb199SMark Brown { 1885a91eb199SMark Brown struct snd_soc_codec *codec = dai->codec; 1886a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 1887a91eb199SMark Brown struct _fll_div fll_div; 1888a91eb199SMark Brown int ret, val; 1889a91eb199SMark Brown int clock2, fll1; 1890a91eb199SMark Brown 1891a91eb199SMark Brown /* Any change? */ 1892a91eb199SMark Brown if (source == wm8904->fll_src && Fref == wm8904->fll_fref && 1893a91eb199SMark Brown Fout == wm8904->fll_fout) 1894a91eb199SMark Brown return 0; 1895a91eb199SMark Brown 189618240b67SMark Brown clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2); 189718240b67SMark Brown 1898a91eb199SMark Brown if (Fout == 0) { 1899a91eb199SMark Brown dev_dbg(codec->dev, "FLL disabled\n"); 1900a91eb199SMark Brown 1901a91eb199SMark Brown wm8904->fll_fref = 0; 1902a91eb199SMark Brown wm8904->fll_fout = 0; 1903a91eb199SMark Brown 1904a91eb199SMark Brown /* Gate SYSCLK to avoid glitches */ 1905a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, 1906a91eb199SMark Brown WM8904_CLK_SYS_ENA, 0); 1907a91eb199SMark Brown 1908a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 1909a91eb199SMark Brown WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); 1910a91eb199SMark Brown 1911a91eb199SMark Brown goto out; 1912a91eb199SMark Brown } 1913a91eb199SMark Brown 1914a91eb199SMark Brown /* Validate the FLL ID */ 1915a91eb199SMark Brown switch (source) { 1916a91eb199SMark Brown case WM8904_FLL_MCLK: 1917a91eb199SMark Brown case WM8904_FLL_LRCLK: 1918a91eb199SMark Brown case WM8904_FLL_BCLK: 1919a91eb199SMark Brown ret = fll_factors(&fll_div, Fref, Fout); 1920a91eb199SMark Brown if (ret != 0) 1921a91eb199SMark Brown return ret; 1922a91eb199SMark Brown break; 1923a91eb199SMark Brown 1924a91eb199SMark Brown case WM8904_FLL_FREE_RUNNING: 1925a91eb199SMark Brown dev_dbg(codec->dev, "Using free running FLL\n"); 1926a91eb199SMark Brown /* Force 12MHz and output/4 for now */ 1927a91eb199SMark Brown Fout = 12000000; 1928a91eb199SMark Brown Fref = 12000000; 1929a91eb199SMark Brown 1930a91eb199SMark Brown memset(&fll_div, 0, sizeof(fll_div)); 1931a91eb199SMark Brown fll_div.fll_outdiv = 3; 1932a91eb199SMark Brown break; 1933a91eb199SMark Brown 1934a91eb199SMark Brown default: 1935a91eb199SMark Brown dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id); 1936a91eb199SMark Brown return -EINVAL; 1937a91eb199SMark Brown } 1938a91eb199SMark Brown 1939a91eb199SMark Brown /* Save current state then disable the FLL and SYSCLK to avoid 1940a91eb199SMark Brown * misclocking */ 1941a91eb199SMark Brown fll1 = snd_soc_read(codec, WM8904_FLL_CONTROL_1); 1942a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, 1943a91eb199SMark Brown WM8904_CLK_SYS_ENA, 0); 1944a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 1945a91eb199SMark Brown WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); 1946a91eb199SMark Brown 1947a91eb199SMark Brown /* Unlock forced oscilator control to switch it on/off */ 1948a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1, 1949a91eb199SMark Brown WM8904_USER_KEY, WM8904_USER_KEY); 1950a91eb199SMark Brown 1951a91eb199SMark Brown if (fll_id == WM8904_FLL_FREE_RUNNING) { 1952a91eb199SMark Brown val = WM8904_FLL_FRC_NCO; 1953a91eb199SMark Brown } else { 1954a91eb199SMark Brown val = 0; 1955a91eb199SMark Brown } 1956a91eb199SMark Brown 1957a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_NCO_TEST_1, WM8904_FLL_FRC_NCO, 1958a91eb199SMark Brown val); 1959a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1, 1960a91eb199SMark Brown WM8904_USER_KEY, 0); 1961a91eb199SMark Brown 1962a91eb199SMark Brown switch (fll_id) { 1963a91eb199SMark Brown case WM8904_FLL_MCLK: 1964a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, 1965a91eb199SMark Brown WM8904_FLL_CLK_REF_SRC_MASK, 0); 1966a91eb199SMark Brown break; 1967a91eb199SMark Brown 1968a91eb199SMark Brown case WM8904_FLL_LRCLK: 1969a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, 1970a91eb199SMark Brown WM8904_FLL_CLK_REF_SRC_MASK, 1); 1971a91eb199SMark Brown break; 1972a91eb199SMark Brown 1973a91eb199SMark Brown case WM8904_FLL_BCLK: 1974a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, 1975a91eb199SMark Brown WM8904_FLL_CLK_REF_SRC_MASK, 2); 1976a91eb199SMark Brown break; 1977a91eb199SMark Brown } 1978a91eb199SMark Brown 1979a91eb199SMark Brown if (fll_div.k) 1980a91eb199SMark Brown val = WM8904_FLL_FRACN_ENA; 1981a91eb199SMark Brown else 1982a91eb199SMark Brown val = 0; 1983a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 1984a91eb199SMark Brown WM8904_FLL_FRACN_ENA, val); 1985a91eb199SMark Brown 1986a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_2, 1987a91eb199SMark Brown WM8904_FLL_OUTDIV_MASK | WM8904_FLL_FRATIO_MASK, 1988a91eb199SMark Brown (fll_div.fll_outdiv << WM8904_FLL_OUTDIV_SHIFT) | 1989a91eb199SMark Brown (fll_div.fll_fratio << WM8904_FLL_FRATIO_SHIFT)); 1990a91eb199SMark Brown 1991a91eb199SMark Brown snd_soc_write(codec, WM8904_FLL_CONTROL_3, fll_div.k); 1992a91eb199SMark Brown 1993a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_4, WM8904_FLL_N_MASK, 1994a91eb199SMark Brown fll_div.n << WM8904_FLL_N_SHIFT); 1995a91eb199SMark Brown 1996a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, 1997a91eb199SMark Brown WM8904_FLL_CLK_REF_DIV_MASK, 1998a91eb199SMark Brown fll_div.fll_clk_ref_div 1999a91eb199SMark Brown << WM8904_FLL_CLK_REF_DIV_SHIFT); 2000a91eb199SMark Brown 2001a91eb199SMark Brown dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); 2002a91eb199SMark Brown 2003a91eb199SMark Brown wm8904->fll_fref = Fref; 2004a91eb199SMark Brown wm8904->fll_fout = Fout; 2005a91eb199SMark Brown wm8904->fll_src = source; 2006a91eb199SMark Brown 2007a91eb199SMark Brown /* Enable the FLL if it was previously active */ 2008a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 2009a91eb199SMark Brown WM8904_FLL_OSC_ENA, fll1); 2010a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, 2011a91eb199SMark Brown WM8904_FLL_ENA, fll1); 2012a91eb199SMark Brown 2013a91eb199SMark Brown out: 2014a91eb199SMark Brown /* Reenable SYSCLK if it was previously active */ 2015a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, 2016a91eb199SMark Brown WM8904_CLK_SYS_ENA, clock2); 2017a91eb199SMark Brown 2018a91eb199SMark Brown return 0; 2019a91eb199SMark Brown } 2020a91eb199SMark Brown 2021a91eb199SMark Brown static int wm8904_digital_mute(struct snd_soc_dai *codec_dai, int mute) 2022a91eb199SMark Brown { 2023a91eb199SMark Brown struct snd_soc_codec *codec = codec_dai->codec; 2024a91eb199SMark Brown int val; 2025a91eb199SMark Brown 2026a91eb199SMark Brown if (mute) 2027a91eb199SMark Brown val = WM8904_DAC_MUTE; 2028a91eb199SMark Brown else 2029a91eb199SMark Brown val = 0; 2030a91eb199SMark Brown 2031a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, WM8904_DAC_MUTE, val); 2032a91eb199SMark Brown 2033a91eb199SMark Brown return 0; 2034a91eb199SMark Brown } 2035a91eb199SMark Brown 2036*c1334218SMark Brown static void wm8904_sync_cache(struct snd_soc_codec *codec) 2037*c1334218SMark Brown { 2038*c1334218SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 2039*c1334218SMark Brown int i; 2040*c1334218SMark Brown 2041*c1334218SMark Brown if (!codec->cache_sync) 2042*c1334218SMark Brown return; 2043*c1334218SMark Brown 2044*c1334218SMark Brown codec->cache_only = 0; 2045*c1334218SMark Brown 2046*c1334218SMark Brown /* Sync back cached values if they're different from the 2047*c1334218SMark Brown * hardware default. 2048*c1334218SMark Brown */ 2049*c1334218SMark Brown for (i = 1; i < ARRAY_SIZE(wm8904->reg_cache); i++) { 2050*c1334218SMark Brown if (!wm8904_access[i].writable) 2051*c1334218SMark Brown continue; 2052*c1334218SMark Brown 2053*c1334218SMark Brown if (wm8904->reg_cache[i] == wm8904_reg[i]) 2054*c1334218SMark Brown continue; 2055*c1334218SMark Brown 2056*c1334218SMark Brown snd_soc_write(codec, i, wm8904->reg_cache[i]); 2057*c1334218SMark Brown } 2058*c1334218SMark Brown 2059*c1334218SMark Brown codec->cache_sync = 0; 2060*c1334218SMark Brown } 2061*c1334218SMark Brown 2062a91eb199SMark Brown static int wm8904_set_bias_level(struct snd_soc_codec *codec, 2063a91eb199SMark Brown enum snd_soc_bias_level level) 2064a91eb199SMark Brown { 2065a91eb199SMark Brown struct wm8904_priv *wm8904 = codec->private_data; 2066*c1334218SMark Brown int ret; 2067a91eb199SMark Brown 2068a91eb199SMark Brown switch (level) { 2069a91eb199SMark Brown case SND_SOC_BIAS_ON: 2070a91eb199SMark Brown break; 2071a91eb199SMark Brown 2072a91eb199SMark Brown case SND_SOC_BIAS_PREPARE: 2073a91eb199SMark Brown /* VMID resistance 2*50k */ 2074a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, 2075a91eb199SMark Brown WM8904_VMID_RES_MASK, 2076a91eb199SMark Brown 0x1 << WM8904_VMID_RES_SHIFT); 2077a91eb199SMark Brown 2078a91eb199SMark Brown /* Normal bias current */ 2079a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, 2080a91eb199SMark Brown WM8904_ISEL_MASK, 2 << WM8904_ISEL_SHIFT); 2081a91eb199SMark Brown break; 2082a91eb199SMark Brown 2083a91eb199SMark Brown case SND_SOC_BIAS_STANDBY: 2084a91eb199SMark Brown if (codec->bias_level == SND_SOC_BIAS_OFF) { 2085a91eb199SMark Brown ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies), 2086a91eb199SMark Brown wm8904->supplies); 2087a91eb199SMark Brown if (ret != 0) { 2088a91eb199SMark Brown dev_err(codec->dev, 2089a91eb199SMark Brown "Failed to enable supplies: %d\n", 2090a91eb199SMark Brown ret); 2091a91eb199SMark Brown return ret; 2092a91eb199SMark Brown } 2093a91eb199SMark Brown 2094*c1334218SMark Brown wm8904_sync_cache(codec); 2095a91eb199SMark Brown 2096a91eb199SMark Brown /* Enable bias */ 2097a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, 2098a91eb199SMark Brown WM8904_BIAS_ENA, WM8904_BIAS_ENA); 2099a91eb199SMark Brown 2100a91eb199SMark Brown /* Enable VMID, VMID buffering, 2*5k resistance */ 2101a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, 2102a91eb199SMark Brown WM8904_VMID_ENA | 2103a91eb199SMark Brown WM8904_VMID_RES_MASK, 2104a91eb199SMark Brown WM8904_VMID_ENA | 2105a91eb199SMark Brown 0x3 << WM8904_VMID_RES_SHIFT); 2106a91eb199SMark Brown 2107a91eb199SMark Brown /* Let VMID ramp */ 2108a91eb199SMark Brown msleep(1); 2109a91eb199SMark Brown } 2110a91eb199SMark Brown 2111a91eb199SMark Brown /* Maintain VMID with 2*250k */ 2112a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, 2113a91eb199SMark Brown WM8904_VMID_RES_MASK, 2114a91eb199SMark Brown 0x2 << WM8904_VMID_RES_SHIFT); 2115a91eb199SMark Brown 2116a91eb199SMark Brown /* Bias current *0.5 */ 2117a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, 2118a91eb199SMark Brown WM8904_ISEL_MASK, 0); 2119a91eb199SMark Brown break; 2120a91eb199SMark Brown 2121a91eb199SMark Brown case SND_SOC_BIAS_OFF: 2122a91eb199SMark Brown /* Turn off VMID */ 2123a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, 2124a91eb199SMark Brown WM8904_VMID_RES_MASK | WM8904_VMID_ENA, 0); 2125a91eb199SMark Brown 2126a91eb199SMark Brown /* Stop bias generation */ 2127a91eb199SMark Brown snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, 2128a91eb199SMark Brown WM8904_BIAS_ENA, 0); 2129a91eb199SMark Brown 2130*c1334218SMark Brown #ifdef CONFIG_REGULATOR 2131*c1334218SMark Brown /* Post 2.6.34 we will be able to get a callback when 2132*c1334218SMark Brown * the regulators are disabled which we can use but 2133*c1334218SMark Brown * for now just assume that the power will be cut if 2134*c1334218SMark Brown * the regulator API is in use. 2135*c1334218SMark Brown */ 2136*c1334218SMark Brown codec->cache_sync = 1; 2137*c1334218SMark Brown #endif 2138*c1334218SMark Brown 2139a91eb199SMark Brown regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), 2140a91eb199SMark Brown wm8904->supplies); 2141a91eb199SMark Brown break; 2142a91eb199SMark Brown } 2143a91eb199SMark Brown codec->bias_level = level; 2144a91eb199SMark Brown return 0; 2145a91eb199SMark Brown } 2146a91eb199SMark Brown 2147a91eb199SMark Brown #define WM8904_RATES SNDRV_PCM_RATE_8000_96000 2148a91eb199SMark Brown 2149a91eb199SMark Brown #define WM8904_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 2150a91eb199SMark Brown SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 2151a91eb199SMark Brown 2152a91eb199SMark Brown static struct snd_soc_dai_ops wm8904_dai_ops = { 2153a91eb199SMark Brown .set_sysclk = wm8904_set_sysclk, 2154a91eb199SMark Brown .set_fmt = wm8904_set_fmt, 2155a91eb199SMark Brown .set_tdm_slot = wm8904_set_tdm_slot, 2156a91eb199SMark Brown .set_pll = wm8904_set_fll, 2157a91eb199SMark Brown .hw_params = wm8904_hw_params, 2158a91eb199SMark Brown .digital_mute = wm8904_digital_mute, 2159a91eb199SMark Brown }; 2160a91eb199SMark Brown 2161a91eb199SMark Brown struct snd_soc_dai wm8904_dai = { 2162a91eb199SMark Brown .name = "WM8904", 2163a91eb199SMark Brown .playback = { 2164a91eb199SMark Brown .stream_name = "Playback", 2165a91eb199SMark Brown .channels_min = 2, 2166a91eb199SMark Brown .channels_max = 2, 2167a91eb199SMark Brown .rates = WM8904_RATES, 2168a91eb199SMark Brown .formats = WM8904_FORMATS, 2169a91eb199SMark Brown }, 2170a91eb199SMark Brown .capture = { 2171a91eb199SMark Brown .stream_name = "Capture", 2172a91eb199SMark Brown .channels_min = 2, 2173a91eb199SMark Brown .channels_max = 2, 2174a91eb199SMark Brown .rates = WM8904_RATES, 2175a91eb199SMark Brown .formats = WM8904_FORMATS, 2176a91eb199SMark Brown }, 2177a91eb199SMark Brown .ops = &wm8904_dai_ops, 2178a91eb199SMark Brown .symmetric_rates = 1, 2179a91eb199SMark Brown }; 2180a91eb199SMark Brown EXPORT_SYMBOL_GPL(wm8904_dai); 2181a91eb199SMark Brown 2182a91eb199SMark Brown #ifdef CONFIG_PM 2183a91eb199SMark Brown static int wm8904_suspend(struct platform_device *pdev, pm_message_t state) 2184a91eb199SMark Brown { 2185a91eb199SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2186a91eb199SMark Brown struct snd_soc_codec *codec = socdev->card->codec; 2187a91eb199SMark Brown 2188a91eb199SMark Brown wm8904_set_bias_level(codec, SND_SOC_BIAS_OFF); 2189a91eb199SMark Brown 2190a91eb199SMark Brown return 0; 2191a91eb199SMark Brown } 2192a91eb199SMark Brown 2193a91eb199SMark Brown static int wm8904_resume(struct platform_device *pdev) 2194a91eb199SMark Brown { 2195a91eb199SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2196a91eb199SMark Brown struct snd_soc_codec *codec = socdev->card->codec; 2197a91eb199SMark Brown 2198a91eb199SMark Brown wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 2199a91eb199SMark Brown 2200a91eb199SMark Brown return 0; 2201a91eb199SMark Brown } 2202a91eb199SMark Brown #else 2203a91eb199SMark Brown #define wm8904_suspend NULL 2204a91eb199SMark Brown #define wm8904_resume NULL 2205a91eb199SMark Brown #endif 2206a91eb199SMark Brown 2207a91eb199SMark Brown static void wm8904_handle_retune_mobile_pdata(struct wm8904_priv *wm8904) 2208a91eb199SMark Brown { 2209a91eb199SMark Brown struct snd_soc_codec *codec = &wm8904->codec; 2210a91eb199SMark Brown struct wm8904_pdata *pdata = wm8904->pdata; 2211a91eb199SMark Brown struct snd_kcontrol_new control = 2212a91eb199SMark Brown SOC_ENUM_EXT("EQ Mode", 2213a91eb199SMark Brown wm8904->retune_mobile_enum, 2214a91eb199SMark Brown wm8904_get_retune_mobile_enum, 2215a91eb199SMark Brown wm8904_put_retune_mobile_enum); 2216a91eb199SMark Brown int ret, i, j; 2217a91eb199SMark Brown const char **t; 2218a91eb199SMark Brown 2219a91eb199SMark Brown /* We need an array of texts for the enum API but the number 2220a91eb199SMark Brown * of texts is likely to be less than the number of 2221a91eb199SMark Brown * configurations due to the sample rate dependency of the 2222a91eb199SMark Brown * configurations. */ 2223a91eb199SMark Brown wm8904->num_retune_mobile_texts = 0; 2224a91eb199SMark Brown wm8904->retune_mobile_texts = NULL; 2225a91eb199SMark Brown for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { 2226a91eb199SMark Brown for (j = 0; j < wm8904->num_retune_mobile_texts; j++) { 2227a91eb199SMark Brown if (strcmp(pdata->retune_mobile_cfgs[i].name, 2228a91eb199SMark Brown wm8904->retune_mobile_texts[j]) == 0) 2229a91eb199SMark Brown break; 2230a91eb199SMark Brown } 2231a91eb199SMark Brown 2232a91eb199SMark Brown if (j != wm8904->num_retune_mobile_texts) 2233a91eb199SMark Brown continue; 2234a91eb199SMark Brown 2235a91eb199SMark Brown /* Expand the array... */ 2236a91eb199SMark Brown t = krealloc(wm8904->retune_mobile_texts, 2237a91eb199SMark Brown sizeof(char *) * 2238a91eb199SMark Brown (wm8904->num_retune_mobile_texts + 1), 2239a91eb199SMark Brown GFP_KERNEL); 2240a91eb199SMark Brown if (t == NULL) 2241a91eb199SMark Brown continue; 2242a91eb199SMark Brown 2243a91eb199SMark Brown /* ...store the new entry... */ 2244a91eb199SMark Brown t[wm8904->num_retune_mobile_texts] = 2245a91eb199SMark Brown pdata->retune_mobile_cfgs[i].name; 2246a91eb199SMark Brown 2247a91eb199SMark Brown /* ...and remember the new version. */ 2248a91eb199SMark Brown wm8904->num_retune_mobile_texts++; 2249a91eb199SMark Brown wm8904->retune_mobile_texts = t; 2250a91eb199SMark Brown } 2251a91eb199SMark Brown 2252a91eb199SMark Brown dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n", 2253a91eb199SMark Brown wm8904->num_retune_mobile_texts); 2254a91eb199SMark Brown 2255a91eb199SMark Brown wm8904->retune_mobile_enum.max = wm8904->num_retune_mobile_texts; 2256a91eb199SMark Brown wm8904->retune_mobile_enum.texts = wm8904->retune_mobile_texts; 2257a91eb199SMark Brown 2258a91eb199SMark Brown ret = snd_soc_add_controls(&wm8904->codec, &control, 1); 2259a91eb199SMark Brown if (ret != 0) 2260a91eb199SMark Brown dev_err(wm8904->codec.dev, 2261a91eb199SMark Brown "Failed to add ReTune Mobile control: %d\n", ret); 2262a91eb199SMark Brown } 2263a91eb199SMark Brown 2264a91eb199SMark Brown static void wm8904_handle_pdata(struct wm8904_priv *wm8904) 2265a91eb199SMark Brown { 2266a91eb199SMark Brown struct snd_soc_codec *codec = &wm8904->codec; 2267a91eb199SMark Brown struct wm8904_pdata *pdata = wm8904->pdata; 2268a91eb199SMark Brown int ret, i; 2269a91eb199SMark Brown 2270a91eb199SMark Brown if (!pdata) { 2271a91eb199SMark Brown snd_soc_add_controls(&wm8904->codec, wm8904_eq_controls, 2272a91eb199SMark Brown ARRAY_SIZE(wm8904_eq_controls)); 2273a91eb199SMark Brown return; 2274a91eb199SMark Brown } 2275a91eb199SMark Brown 2276a91eb199SMark Brown dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs); 2277a91eb199SMark Brown 2278a91eb199SMark Brown if (pdata->num_drc_cfgs) { 2279a91eb199SMark Brown struct snd_kcontrol_new control = 2280a91eb199SMark Brown SOC_ENUM_EXT("DRC Mode", wm8904->drc_enum, 2281a91eb199SMark Brown wm8904_get_drc_enum, wm8904_put_drc_enum); 2282a91eb199SMark Brown 2283a91eb199SMark Brown /* We need an array of texts for the enum API */ 2284a91eb199SMark Brown wm8904->drc_texts = kmalloc(sizeof(char *) 2285a91eb199SMark Brown * pdata->num_drc_cfgs, GFP_KERNEL); 2286a91eb199SMark Brown if (!wm8904->drc_texts) { 2287a91eb199SMark Brown dev_err(wm8904->codec.dev, 2288a91eb199SMark Brown "Failed to allocate %d DRC config texts\n", 2289a91eb199SMark Brown pdata->num_drc_cfgs); 2290a91eb199SMark Brown return; 2291a91eb199SMark Brown } 2292a91eb199SMark Brown 2293a91eb199SMark Brown for (i = 0; i < pdata->num_drc_cfgs; i++) 2294a91eb199SMark Brown wm8904->drc_texts[i] = pdata->drc_cfgs[i].name; 2295a91eb199SMark Brown 2296a91eb199SMark Brown wm8904->drc_enum.max = pdata->num_drc_cfgs; 2297a91eb199SMark Brown wm8904->drc_enum.texts = wm8904->drc_texts; 2298a91eb199SMark Brown 2299a91eb199SMark Brown ret = snd_soc_add_controls(&wm8904->codec, &control, 1); 2300a91eb199SMark Brown if (ret != 0) 2301a91eb199SMark Brown dev_err(wm8904->codec.dev, 2302a91eb199SMark Brown "Failed to add DRC mode control: %d\n", ret); 2303a91eb199SMark Brown 2304a91eb199SMark Brown wm8904_set_drc(codec); 2305a91eb199SMark Brown } 2306a91eb199SMark Brown 2307a91eb199SMark Brown dev_dbg(codec->dev, "%d ReTune Mobile configurations\n", 2308a91eb199SMark Brown pdata->num_retune_mobile_cfgs); 2309a91eb199SMark Brown 2310a91eb199SMark Brown if (pdata->num_retune_mobile_cfgs) 2311a91eb199SMark Brown wm8904_handle_retune_mobile_pdata(wm8904); 2312a91eb199SMark Brown else 2313a91eb199SMark Brown snd_soc_add_controls(&wm8904->codec, wm8904_eq_controls, 2314a91eb199SMark Brown ARRAY_SIZE(wm8904_eq_controls)); 2315a91eb199SMark Brown } 2316a91eb199SMark Brown 2317a91eb199SMark Brown static int wm8904_probe(struct platform_device *pdev) 2318a91eb199SMark Brown { 2319a91eb199SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2320a91eb199SMark Brown struct snd_soc_codec *codec; 2321a91eb199SMark Brown int ret = 0; 2322a91eb199SMark Brown 2323a91eb199SMark Brown if (wm8904_codec == NULL) { 2324a91eb199SMark Brown dev_err(&pdev->dev, "Codec device not registered\n"); 2325a91eb199SMark Brown return -ENODEV; 2326a91eb199SMark Brown } 2327a91eb199SMark Brown 2328a91eb199SMark Brown socdev->card->codec = wm8904_codec; 2329a91eb199SMark Brown codec = wm8904_codec; 2330a91eb199SMark Brown 2331a91eb199SMark Brown /* register pcms */ 2332a91eb199SMark Brown ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 2333a91eb199SMark Brown if (ret < 0) { 2334a91eb199SMark Brown dev_err(codec->dev, "failed to create pcms: %d\n", ret); 2335a91eb199SMark Brown goto pcm_err; 2336a91eb199SMark Brown } 2337a91eb199SMark Brown 2338a91eb199SMark Brown wm8904_handle_pdata(codec->private_data); 2339a91eb199SMark Brown 2340a91eb199SMark Brown wm8904_add_widgets(codec); 2341a91eb199SMark Brown 2342a91eb199SMark Brown return ret; 2343a91eb199SMark Brown 2344a91eb199SMark Brown pcm_err: 2345a91eb199SMark Brown return ret; 2346a91eb199SMark Brown } 2347a91eb199SMark Brown 2348a91eb199SMark Brown static int wm8904_remove(struct platform_device *pdev) 2349a91eb199SMark Brown { 2350a91eb199SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 2351a91eb199SMark Brown 2352a91eb199SMark Brown snd_soc_free_pcms(socdev); 2353a91eb199SMark Brown snd_soc_dapm_free(socdev); 2354a91eb199SMark Brown 2355a91eb199SMark Brown return 0; 2356a91eb199SMark Brown } 2357a91eb199SMark Brown 2358a91eb199SMark Brown struct snd_soc_codec_device soc_codec_dev_wm8904 = { 2359a91eb199SMark Brown .probe = wm8904_probe, 2360a91eb199SMark Brown .remove = wm8904_remove, 2361a91eb199SMark Brown .suspend = wm8904_suspend, 2362a91eb199SMark Brown .resume = wm8904_resume, 2363a91eb199SMark Brown }; 2364a91eb199SMark Brown EXPORT_SYMBOL_GPL(soc_codec_dev_wm8904); 2365a91eb199SMark Brown 2366a91eb199SMark Brown static int wm8904_register(struct wm8904_priv *wm8904, 2367a91eb199SMark Brown enum snd_soc_control_type control) 2368a91eb199SMark Brown { 2369a91eb199SMark Brown int ret; 2370a91eb199SMark Brown struct snd_soc_codec *codec = &wm8904->codec; 2371a91eb199SMark Brown int i; 2372a91eb199SMark Brown 2373a91eb199SMark Brown if (wm8904_codec) { 2374a91eb199SMark Brown dev_err(codec->dev, "Another WM8904 is registered\n"); 2375a91eb199SMark Brown return -EINVAL; 2376a91eb199SMark Brown } 2377a91eb199SMark Brown 2378a91eb199SMark Brown mutex_init(&codec->mutex); 2379a91eb199SMark Brown INIT_LIST_HEAD(&codec->dapm_widgets); 2380a91eb199SMark Brown INIT_LIST_HEAD(&codec->dapm_paths); 2381a91eb199SMark Brown 2382a91eb199SMark Brown codec->private_data = wm8904; 2383a91eb199SMark Brown codec->name = "WM8904"; 2384a91eb199SMark Brown codec->owner = THIS_MODULE; 2385a91eb199SMark Brown codec->bias_level = SND_SOC_BIAS_OFF; 2386a91eb199SMark Brown codec->set_bias_level = wm8904_set_bias_level; 2387a91eb199SMark Brown codec->dai = &wm8904_dai; 2388a91eb199SMark Brown codec->num_dai = 1; 2389a91eb199SMark Brown codec->reg_cache_size = WM8904_MAX_REGISTER; 2390a91eb199SMark Brown codec->reg_cache = &wm8904->reg_cache; 2391a91eb199SMark Brown codec->volatile_register = wm8904_volatile_register; 2392*c1334218SMark Brown codec->cache_sync = 1; 2393*c1334218SMark Brown codec->idle_bias_off = 1; 2394a91eb199SMark Brown 2395a91eb199SMark Brown memcpy(codec->reg_cache, wm8904_reg, sizeof(wm8904_reg)); 2396a91eb199SMark Brown 2397a91eb199SMark Brown ret = snd_soc_codec_set_cache_io(codec, 8, 16, control); 2398a91eb199SMark Brown if (ret != 0) { 2399a91eb199SMark Brown dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 2400a91eb199SMark Brown goto err; 2401a91eb199SMark Brown } 2402a91eb199SMark Brown 2403a91eb199SMark Brown for (i = 0; i < ARRAY_SIZE(wm8904->supplies); i++) 2404a91eb199SMark Brown wm8904->supplies[i].supply = wm8904_supply_names[i]; 2405a91eb199SMark Brown 2406a91eb199SMark Brown ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8904->supplies), 2407a91eb199SMark Brown wm8904->supplies); 2408a91eb199SMark Brown if (ret != 0) { 2409a91eb199SMark Brown dev_err(codec->dev, "Failed to request supplies: %d\n", ret); 2410a91eb199SMark Brown goto err; 2411a91eb199SMark Brown } 2412a91eb199SMark Brown 2413a91eb199SMark Brown ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies), 2414a91eb199SMark Brown wm8904->supplies); 2415a91eb199SMark Brown if (ret != 0) { 2416a91eb199SMark Brown dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); 2417a91eb199SMark Brown goto err_get; 2418a91eb199SMark Brown } 2419a91eb199SMark Brown 2420a91eb199SMark Brown ret = snd_soc_read(codec, WM8904_SW_RESET_AND_ID); 2421a91eb199SMark Brown if (ret < 0) { 2422a91eb199SMark Brown dev_err(codec->dev, "Failed to read ID register\n"); 2423a91eb199SMark Brown goto err_enable; 2424a91eb199SMark Brown } 2425a91eb199SMark Brown if (ret != wm8904_reg[WM8904_SW_RESET_AND_ID]) { 2426a91eb199SMark Brown dev_err(codec->dev, "Device is not a WM8904, ID is %x\n", ret); 2427a91eb199SMark Brown ret = -EINVAL; 2428a91eb199SMark Brown goto err_enable; 2429a91eb199SMark Brown } 2430a91eb199SMark Brown 2431a91eb199SMark Brown ret = snd_soc_read(codec, WM8904_REVISION); 2432a91eb199SMark Brown if (ret < 0) { 2433a91eb199SMark Brown dev_err(codec->dev, "Failed to read device revision: %d\n", 2434a91eb199SMark Brown ret); 2435a91eb199SMark Brown goto err_enable; 2436a91eb199SMark Brown } 2437a91eb199SMark Brown dev_info(codec->dev, "revision %c\n", ret + 'A'); 2438a91eb199SMark Brown 2439a91eb199SMark Brown ret = wm8904_reset(codec); 2440a91eb199SMark Brown if (ret < 0) { 2441a91eb199SMark Brown dev_err(codec->dev, "Failed to issue reset\n"); 2442a91eb199SMark Brown goto err_enable; 2443a91eb199SMark Brown } 2444a91eb199SMark Brown 2445a91eb199SMark Brown wm8904_dai.dev = codec->dev; 2446a91eb199SMark Brown 2447a91eb199SMark Brown /* Change some default settings - latch VU and enable ZC */ 2448a91eb199SMark Brown wm8904->reg_cache[WM8904_ADC_DIGITAL_VOLUME_LEFT] |= WM8904_ADC_VU; 2449a91eb199SMark Brown wm8904->reg_cache[WM8904_ADC_DIGITAL_VOLUME_RIGHT] |= WM8904_ADC_VU; 2450a91eb199SMark Brown wm8904->reg_cache[WM8904_DAC_DIGITAL_VOLUME_LEFT] |= WM8904_DAC_VU; 2451a91eb199SMark Brown wm8904->reg_cache[WM8904_DAC_DIGITAL_VOLUME_RIGHT] |= WM8904_DAC_VU; 2452a91eb199SMark Brown wm8904->reg_cache[WM8904_ANALOGUE_OUT1_LEFT] |= WM8904_HPOUT_VU | 2453a91eb199SMark Brown WM8904_HPOUTLZC; 2454a91eb199SMark Brown wm8904->reg_cache[WM8904_ANALOGUE_OUT1_RIGHT] |= WM8904_HPOUT_VU | 2455a91eb199SMark Brown WM8904_HPOUTRZC; 2456a91eb199SMark Brown wm8904->reg_cache[WM8904_ANALOGUE_OUT2_LEFT] |= WM8904_LINEOUT_VU | 2457a91eb199SMark Brown WM8904_LINEOUTLZC; 2458a91eb199SMark Brown wm8904->reg_cache[WM8904_ANALOGUE_OUT2_RIGHT] |= WM8904_LINEOUT_VU | 2459a91eb199SMark Brown WM8904_LINEOUTRZC; 2460a91eb199SMark Brown wm8904->reg_cache[WM8904_CLOCK_RATES_0] &= ~WM8904_SR_MODE; 2461a91eb199SMark Brown 2462a91eb199SMark Brown /* Set Class W by default - this will be managed by the Class 2463a91eb199SMark Brown * G widget at runtime where bypass paths are available. 2464a91eb199SMark Brown */ 2465a91eb199SMark Brown wm8904->reg_cache[WM8904_CLASS_W_0] |= WM8904_CP_DYN_PWR; 2466a91eb199SMark Brown 2467a91eb199SMark Brown /* Use normal bias source */ 2468a91eb199SMark Brown wm8904->reg_cache[WM8904_BIAS_CONTROL_0] &= ~WM8904_POBCTRL; 2469a91eb199SMark Brown 2470a91eb199SMark Brown wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 2471a91eb199SMark Brown 2472a91eb199SMark Brown /* Bias level configuration will have done an extra enable */ 2473a91eb199SMark Brown regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); 2474a91eb199SMark Brown 2475a91eb199SMark Brown wm8904_codec = codec; 2476a91eb199SMark Brown 2477a91eb199SMark Brown ret = snd_soc_register_codec(codec); 2478a91eb199SMark Brown if (ret != 0) { 2479a91eb199SMark Brown dev_err(codec->dev, "Failed to register codec: %d\n", ret); 2480a91eb199SMark Brown return ret; 2481a91eb199SMark Brown } 2482a91eb199SMark Brown 2483a91eb199SMark Brown ret = snd_soc_register_dai(&wm8904_dai); 2484a91eb199SMark Brown if (ret != 0) { 2485a91eb199SMark Brown dev_err(codec->dev, "Failed to register DAI: %d\n", ret); 2486a91eb199SMark Brown snd_soc_unregister_codec(codec); 2487a91eb199SMark Brown return ret; 2488a91eb199SMark Brown } 2489a91eb199SMark Brown 2490a91eb199SMark Brown return 0; 2491a91eb199SMark Brown 2492a91eb199SMark Brown err_enable: 2493a91eb199SMark Brown regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); 2494a91eb199SMark Brown err_get: 2495a91eb199SMark Brown regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); 2496a91eb199SMark Brown err: 2497a91eb199SMark Brown kfree(wm8904); 2498a91eb199SMark Brown return ret; 2499a91eb199SMark Brown } 2500a91eb199SMark Brown 2501a91eb199SMark Brown static void wm8904_unregister(struct wm8904_priv *wm8904) 2502a91eb199SMark Brown { 2503a91eb199SMark Brown wm8904_set_bias_level(&wm8904->codec, SND_SOC_BIAS_OFF); 2504a91eb199SMark Brown regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); 2505a91eb199SMark Brown snd_soc_unregister_dai(&wm8904_dai); 2506a91eb199SMark Brown snd_soc_unregister_codec(&wm8904->codec); 2507a91eb199SMark Brown kfree(wm8904); 2508a91eb199SMark Brown wm8904_codec = NULL; 2509a91eb199SMark Brown } 2510a91eb199SMark Brown 2511a91eb199SMark Brown #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 2512a91eb199SMark Brown static __devinit int wm8904_i2c_probe(struct i2c_client *i2c, 2513a91eb199SMark Brown const struct i2c_device_id *id) 2514a91eb199SMark Brown { 2515a91eb199SMark Brown struct wm8904_priv *wm8904; 2516a91eb199SMark Brown struct snd_soc_codec *codec; 2517a91eb199SMark Brown 2518a91eb199SMark Brown wm8904 = kzalloc(sizeof(struct wm8904_priv), GFP_KERNEL); 2519a91eb199SMark Brown if (wm8904 == NULL) 2520a91eb199SMark Brown return -ENOMEM; 2521a91eb199SMark Brown 2522a91eb199SMark Brown codec = &wm8904->codec; 2523a91eb199SMark Brown codec->hw_write = (hw_write_t)i2c_master_send; 2524a91eb199SMark Brown 2525a91eb199SMark Brown i2c_set_clientdata(i2c, wm8904); 2526a91eb199SMark Brown codec->control_data = i2c; 2527a91eb199SMark Brown wm8904->pdata = i2c->dev.platform_data; 2528a91eb199SMark Brown 2529a91eb199SMark Brown codec->dev = &i2c->dev; 2530a91eb199SMark Brown 2531a91eb199SMark Brown return wm8904_register(wm8904, SND_SOC_I2C); 2532a91eb199SMark Brown } 2533a91eb199SMark Brown 2534a91eb199SMark Brown static __devexit int wm8904_i2c_remove(struct i2c_client *client) 2535a91eb199SMark Brown { 2536a91eb199SMark Brown struct wm8904_priv *wm8904 = i2c_get_clientdata(client); 2537a91eb199SMark Brown wm8904_unregister(wm8904); 2538a91eb199SMark Brown return 0; 2539a91eb199SMark Brown } 2540a91eb199SMark Brown 2541a91eb199SMark Brown static const struct i2c_device_id wm8904_i2c_id[] = { 2542a91eb199SMark Brown { "wm8904", 0 }, 2543a91eb199SMark Brown { } 2544a91eb199SMark Brown }; 2545a91eb199SMark Brown MODULE_DEVICE_TABLE(i2c, wm8904_i2c_id); 2546a91eb199SMark Brown 2547a91eb199SMark Brown static struct i2c_driver wm8904_i2c_driver = { 2548a91eb199SMark Brown .driver = { 2549a91eb199SMark Brown .name = "WM8904", 2550a91eb199SMark Brown .owner = THIS_MODULE, 2551a91eb199SMark Brown }, 2552a91eb199SMark Brown .probe = wm8904_i2c_probe, 2553a91eb199SMark Brown .remove = __devexit_p(wm8904_i2c_remove), 2554a91eb199SMark Brown .id_table = wm8904_i2c_id, 2555a91eb199SMark Brown }; 2556a91eb199SMark Brown #endif 2557a91eb199SMark Brown 2558a91eb199SMark Brown static int __init wm8904_modinit(void) 2559a91eb199SMark Brown { 2560a91eb199SMark Brown int ret; 2561a91eb199SMark Brown #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 2562a91eb199SMark Brown ret = i2c_add_driver(&wm8904_i2c_driver); 2563a91eb199SMark Brown if (ret != 0) { 2564a91eb199SMark Brown printk(KERN_ERR "Failed to register WM8904 I2C driver: %d\n", 2565a91eb199SMark Brown ret); 2566a91eb199SMark Brown } 2567a91eb199SMark Brown #endif 2568a91eb199SMark Brown return 0; 2569a91eb199SMark Brown } 2570a91eb199SMark Brown module_init(wm8904_modinit); 2571a91eb199SMark Brown 2572a91eb199SMark Brown static void __exit wm8904_exit(void) 2573a91eb199SMark Brown { 2574a91eb199SMark Brown #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 2575a91eb199SMark Brown i2c_del_driver(&wm8904_i2c_driver); 2576a91eb199SMark Brown #endif 2577a91eb199SMark Brown } 2578a91eb199SMark Brown module_exit(wm8904_exit); 2579a91eb199SMark Brown 2580a91eb199SMark Brown MODULE_DESCRIPTION("ASoC WM8904 driver"); 2581a91eb199SMark Brown MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 2582a91eb199SMark Brown MODULE_LICENSE("GPL"); 2583