include/linux/mfd/wm831x/core.h

   1 /*
   2  * include/linux/mfd/wm831x/core.h -- Core interface for WM831x
   3  *
   4  * Copyright 2009 Wolfson Microelectronics PLC.
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  *  This program is free software; you can redistribute  it and/or modify it
   9  *  under  the terms of  the GNU General  Public License as published by the
  10  *  Free Software Foundation;  either version 2 of the  License, or (at your
  11  *  option) any later version.
  12  *
  13  */
  14
  15 #ifndef __MFD_WM831X_CORE_H__
  16 #define __MFD_WM831X_CORE_H__
  17
  18 #include <linux/completion.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/list.h>
  21
  22 /*
  23  * Register values.
  24  */
  25 #define WM831X_RESET_ID                         0x00
  26 #define WM831X_REVISION                         0x01
  27 #define WM831X_PARENT_ID                        0x4000
  28 #define WM831X_SYSVDD_CONTROL                   0x4001
  29 #define WM831X_THERMAL_MONITORING               0x4002
  30 #define WM831X_POWER_STATE                      0x4003
  31 #define WM831X_WATCHDOG                         0x4004
  32 #define WM831X_ON_PIN_CONTROL                   0x4005
  33 #define WM831X_RESET_CONTROL                    0x4006
  34 #define WM831X_CONTROL_INTERFACE                0x4007
  35 #define WM831X_SECURITY_KEY                     0x4008
  36 #define WM831X_SOFTWARE_SCRATCH                 0x4009
  37 #define WM831X_OTP_CONTROL                      0x400A
  38 #define WM831X_GPIO_LEVEL                       0x400C
  39 #define WM831X_SYSTEM_STATUS                    0x400D
  40 #define WM831X_ON_SOURCE                        0x400E
  41 #define WM831X_OFF_SOURCE                       0x400F
  42 #define WM831X_SYSTEM_INTERRUPTS                0x4010
  43 #define WM831X_INTERRUPT_STATUS_1               0x4011
  44 #define WM831X_INTERRUPT_STATUS_2               0x4012
  45 #define WM831X_INTERRUPT_STATUS_3               0x4013
  46 #define WM831X_INTERRUPT_STATUS_4               0x4014
  47 #define WM831X_INTERRUPT_STATUS_5               0x4015
  48 #define WM831X_IRQ_CONFIG                       0x4017
  49 #define WM831X_SYSTEM_INTERRUPTS_MASK           0x4018
  50 #define WM831X_INTERRUPT_STATUS_1_MASK          0x4019
  51 #define WM831X_INTERRUPT_STATUS_2_MASK          0x401A
  52 #define WM831X_INTERRUPT_STATUS_3_MASK          0x401B
  53 #define WM831X_INTERRUPT_STATUS_4_MASK          0x401C
  54 #define WM831X_INTERRUPT_STATUS_5_MASK          0x401D
  55 #define WM831X_RTC_WRITE_COUNTER                0x4020
  56 #define WM831X_RTC_TIME_1                       0x4021
  57 #define WM831X_RTC_TIME_2                       0x4022
  58 #define WM831X_RTC_ALARM_1                      0x4023
  59 #define WM831X_RTC_ALARM_2                      0x4024
  60 #define WM831X_RTC_CONTROL                      0x4025
  61 #define WM831X_RTC_TRIM                         0x4026
  62 #define WM831X_TOUCH_CONTROL_1                  0x4028
  63 #define WM831X_TOUCH_CONTROL_2                  0x4029
  64 #define WM831X_TOUCH_DATA_X                     0x402A
  65 #define WM831X_TOUCH_DATA_Y                     0x402B
  66 #define WM831X_TOUCH_DATA_Z                     0x402C
  67 #define WM831X_AUXADC_DATA                      0x402D
  68 #define WM831X_AUXADC_CONTROL                   0x402E
  69 #define WM831X_AUXADC_SOURCE                    0x402F
  70 #define WM831X_COMPARATOR_CONTROL               0x4030
  71 #define WM831X_COMPARATOR_1                     0x4031
  72 #define WM831X_COMPARATOR_2                     0x4032
  73 #define WM831X_COMPARATOR_3                     0x4033
  74 #define WM831X_COMPARATOR_4                     0x4034
  75 #define WM831X_GPIO1_CONTROL                    0x4038
  76 #define WM831X_GPIO2_CONTROL                    0x4039
  77 #define WM831X_GPIO3_CONTROL                    0x403A
  78 #define WM831X_GPIO4_CONTROL                    0x403B
  79 #define WM831X_GPIO5_CONTROL                    0x403C
  80 #define WM831X_GPIO6_CONTROL                    0x403D
  81 #define WM831X_GPIO7_CONTROL                    0x403E
  82 #define WM831X_GPIO8_CONTROL                    0x403F
  83 #define WM831X_GPIO9_CONTROL                    0x4040
  84 #define WM831X_GPIO10_CONTROL                   0x4041
  85 #define WM831X_GPIO11_CONTROL                   0x4042
  86 #define WM831X_GPIO12_CONTROL                   0x4043
  87 #define WM831X_GPIO13_CONTROL                   0x4044
  88 #define WM831X_GPIO14_CONTROL                   0x4045
  89 #define WM831X_GPIO15_CONTROL                   0x4046
  90 #define WM831X_GPIO16_CONTROL                   0x4047
  91 #define WM831X_CHARGER_CONTROL_1                0x4048
  92 #define WM831X_CHARGER_CONTROL_2                0x4049
  93 #define WM831X_CHARGER_STATUS                   0x404A
  94 #define WM831X_BACKUP_CHARGER_CONTROL           0x404B
  95 #define WM831X_STATUS_LED_1                     0x404C
  96 #define WM831X_STATUS_LED_2                     0x404D
  97 #define WM831X_CURRENT_SINK_1                   0x404E
  98 #define WM831X_CURRENT_SINK_2                   0x404F
  99 #define WM831X_DCDC_ENABLE                      0x4050
 100 #define WM831X_LDO_ENABLE                       0x4051
 101 #define WM831X_DCDC_STATUS                      0x4052
 102 #define WM831X_LDO_STATUS                       0x4053
 103 #define WM831X_DCDC_UV_STATUS                   0x4054
 104 #define WM831X_LDO_UV_STATUS                    0x4055
 105 #define WM831X_DC1_CONTROL_1                    0x4056
 106 #define WM831X_DC1_CONTROL_2                    0x4057
 107 #define WM831X_DC1_ON_CONFIG                    0x4058
 108 #define WM831X_DC1_SLEEP_CONTROL                0x4059
 109 #define WM831X_DC1_DVS_CONTROL                  0x405A
 110 #define WM831X_DC2_CONTROL_1                    0x405B
 111 #define WM831X_DC2_CONTROL_2                    0x405C
 112 #define WM831X_DC2_ON_CONFIG                    0x405D
 113 #define WM831X_DC2_SLEEP_CONTROL                0x405E
 114 #define WM831X_DC2_DVS_CONTROL                  0x405F
 115 #define WM831X_DC3_CONTROL_1                    0x4060
 116 #define WM831X_DC3_CONTROL_2                    0x4061
 117 #define WM831X_DC3_ON_CONFIG                    0x4062
 118 #define WM831X_DC3_SLEEP_CONTROL                0x4063
 119 #define WM831X_DC4_CONTROL                      0x4064
 120 #define WM831X_DC4_SLEEP_CONTROL                0x4065
 121 #define WM832X_DC4_SLEEP_CONTROL                0x4067
 122 #define WM831X_EPE1_CONTROL                     0x4066
 123 #define WM831X_EPE2_CONTROL                     0x4067
 124 #define WM831X_LDO1_CONTROL                     0x4068
 125 #define WM831X_LDO1_ON_CONTROL                  0x4069
 126 #define WM831X_LDO1_SLEEP_CONTROL               0x406A
 127 #define WM831X_LDO2_CONTROL                     0x406B
 128 #define WM831X_LDO2_ON_CONTROL                  0x406C
 129 #define WM831X_LDO2_SLEEP_CONTROL               0x406D
 130 #define WM831X_LDO3_CONTROL                     0x406E
 131 #define WM831X_LDO3_ON_CONTROL                  0x406F
 132 #define WM831X_LDO3_SLEEP_CONTROL               0x4070
 133 #define WM831X_LDO4_CONTROL                     0x4071
 134 #define WM831X_LDO4_ON_CONTROL                  0x4072
 135 #define WM831X_LDO4_SLEEP_CONTROL               0x4073
 136 #define WM831X_LDO5_CONTROL                     0x4074
 137 #define WM831X_LDO5_ON_CONTROL                  0x4075
 138 #define WM831X_LDO5_SLEEP_CONTROL               0x4076
 139 #define WM831X_LDO6_CONTROL                     0x4077
 140 #define WM831X_LDO6_ON_CONTROL                  0x4078
 141 #define WM831X_LDO6_SLEEP_CONTROL               0x4079
 142 #define WM831X_LDO7_CONTROL                     0x407A
 143 #define WM831X_LDO7_ON_CONTROL                  0x407B
 144 #define WM831X_LDO7_SLEEP_CONTROL               0x407C
 145 #define WM831X_LDO8_CONTROL                     0x407D
 146 #define WM831X_LDO8_ON_CONTROL                  0x407E
 147 #define WM831X_LDO8_SLEEP_CONTROL               0x407F
 148 #define WM831X_LDO9_CONTROL                     0x4080
 149 #define WM831X_LDO9_ON_CONTROL                  0x4081
 150 #define WM831X_LDO9_SLEEP_CONTROL               0x4082
 151 #define WM831X_LDO10_CONTROL                    0x4083
 152 #define WM831X_LDO10_ON_CONTROL                 0x4084
 153 #define WM831X_LDO10_SLEEP_CONTROL              0x4085
 154 #define WM831X_LDO11_ON_CONTROL                 0x4087
 155 #define WM831X_LDO11_SLEEP_CONTROL              0x4088
 156 #define WM831X_POWER_GOOD_SOURCE_1              0x408E
 157 #define WM831X_POWER_GOOD_SOURCE_2              0x408F
 158 #define WM831X_CLOCK_CONTROL_1                  0x4090
 159 #define WM831X_CLOCK_CONTROL_2                  0x4091
 160 #define WM831X_FLL_CONTROL_1                    0x4092
 161 #define WM831X_FLL_CONTROL_2                    0x4093
 162 #define WM831X_FLL_CONTROL_3                    0x4094
 163 #define WM831X_FLL_CONTROL_4                    0x4095
 164 #define WM831X_FLL_CONTROL_5                    0x4096
 165 #define WM831X_UNIQUE_ID_1                      0x7800
 166 #define WM831X_UNIQUE_ID_2                      0x7801
 167 #define WM831X_UNIQUE_ID_3                      0x7802
 168 #define WM831X_UNIQUE_ID_4                      0x7803
 169 #define WM831X_UNIQUE_ID_5                      0x7804
 170 #define WM831X_UNIQUE_ID_6                      0x7805
 171 #define WM831X_UNIQUE_ID_7                      0x7806
 172 #define WM831X_UNIQUE_ID_8                      0x7807
 173 #define WM831X_FACTORY_OTP_ID                   0x7808
 174 #define WM831X_FACTORY_OTP_1                    0x7809
 175 #define WM831X_FACTORY_OTP_2                    0x780A
 176 #define WM831X_FACTORY_OTP_3                    0x780B
 177 #define WM831X_FACTORY_OTP_4                    0x780C
 178 #define WM831X_FACTORY_OTP_5                    0x780D
 179 #define WM831X_CUSTOMER_OTP_ID                  0x7810
 180 #define WM831X_DC1_OTP_CONTROL                  0x7811
 181 #define WM831X_DC2_OTP_CONTROL                  0x7812
 182 #define WM831X_DC3_OTP_CONTROL                  0x7813
 183 #define WM831X_LDO1_2_OTP_CONTROL               0x7814
 184 #define WM831X_LDO3_4_OTP_CONTROL               0x7815
 185 #define WM831X_LDO5_6_OTP_CONTROL               0x7816
 186 #define WM831X_LDO7_8_OTP_CONTROL               0x7817
 187 #define WM831X_LDO9_10_OTP_CONTROL              0x7818
 188 #define WM831X_LDO11_EPE_CONTROL                0x7819
 189 #define WM831X_GPIO1_OTP_CONTROL                0x781A
 190 #define WM831X_GPIO2_OTP_CONTROL                0x781B
 191 #define WM831X_GPIO3_OTP_CONTROL                0x781C
 192 #define WM831X_GPIO4_OTP_CONTROL                0x781D
 193 #define WM831X_GPIO5_OTP_CONTROL                0x781E
 194 #define WM831X_GPIO6_OTP_CONTROL                0x781F
 195 #define WM831X_DBE_CHECK_DATA                   0x7827
 196
 197 /*
 198  * R0 (0x00) - Reset ID
 199  */
 200 #define WM831X_CHIP_ID_MASK                     0xFFFF  /* CHIP_ID - [15:0] */
 201 #define WM831X_CHIP_ID_SHIFT                         0  /* CHIP_ID - [15:0] */
 202 #define WM831X_CHIP_ID_WIDTH                        16  /* CHIP_ID - [15:0] */
 203
 204 /*
 205  * R1 (0x01) - Revision
 206  */
 207 #define WM831X_PARENT_REV_MASK                  0xFF00  /* PARENT_REV - [15:8] */
 208 #define WM831X_PARENT_REV_SHIFT                      8  /* PARENT_REV - [15:8] */
 209 #define WM831X_PARENT_REV_WIDTH                      8  /* PARENT_REV - [15:8] */
 210 #define WM831X_CHILD_REV_MASK                   0x00FF  /* CHILD_REV - [7:0] */
 211 #define WM831X_CHILD_REV_SHIFT                       0  /* CHILD_REV - [7:0] */
 212 #define WM831X_CHILD_REV_WIDTH                       8  /* CHILD_REV - [7:0] */
 213
 214 /*
 215  * R16384 (0x4000) - Parent ID
 216  */
 217 #define WM831X_PARENT_ID_MASK                   0xFFFF  /* PARENT_ID - [15:0] */
 218 #define WM831X_PARENT_ID_SHIFT                       0  /* PARENT_ID - [15:0] */
 219 #define WM831X_PARENT_ID_WIDTH                      16  /* PARENT_ID - [15:0] */
 220
 221 /*
 222  * R16389 (0x4005) - ON Pin Control
 223  */
 224 #define WM831X_ON_PIN_SECACT_MASK               0x0300  /* ON_PIN_SECACT - [9:8] */
 225 #define WM831X_ON_PIN_SECACT_SHIFT                   8  /* ON_PIN_SECACT - [9:8] */
 226 #define WM831X_ON_PIN_SECACT_WIDTH                   2  /* ON_PIN_SECACT - [9:8] */
 227 #define WM831X_ON_PIN_PRIMACT_MASK              0x0030  /* ON_PIN_PRIMACT - [5:4] */
 228 #define WM831X_ON_PIN_PRIMACT_SHIFT                  4  /* ON_PIN_PRIMACT - [5:4] */
 229 #define WM831X_ON_PIN_PRIMACT_WIDTH                  2  /* ON_PIN_PRIMACT - [5:4] */
 230 #define WM831X_ON_PIN_STS                       0x0008  /* ON_PIN_STS */
 231 #define WM831X_ON_PIN_STS_MASK                  0x0008  /* ON_PIN_STS */
 232 #define WM831X_ON_PIN_STS_SHIFT                      3  /* ON_PIN_STS */
 233 #define WM831X_ON_PIN_STS_WIDTH                      1  /* ON_PIN_STS */
 234 #define WM831X_ON_PIN_TO_MASK                   0x0003  /* ON_PIN_TO - [1:0] */
 235 #define WM831X_ON_PIN_TO_SHIFT                       0  /* ON_PIN_TO - [1:0] */
 236 #define WM831X_ON_PIN_TO_WIDTH                       2  /* ON_PIN_TO - [1:0] */
 237
 238 /*
 239  * R16528 (0x4090) - Clock Control 1
 240  */
 241 #define WM831X_CLKOUT_ENA                       0x8000  /* CLKOUT_ENA */
 242 #define WM831X_CLKOUT_ENA_MASK                  0x8000  /* CLKOUT_ENA */
 243 #define WM831X_CLKOUT_ENA_SHIFT                     15  /* CLKOUT_ENA */
 244 #define WM831X_CLKOUT_ENA_WIDTH                      1  /* CLKOUT_ENA */
 245 #define WM831X_CLKOUT_OD                        0x2000  /* CLKOUT_OD */
 246 #define WM831X_CLKOUT_OD_MASK                   0x2000  /* CLKOUT_OD */
 247 #define WM831X_CLKOUT_OD_SHIFT                      13  /* CLKOUT_OD */
 248 #define WM831X_CLKOUT_OD_WIDTH                       1  /* CLKOUT_OD */
 249 #define WM831X_CLKOUT_SLOT_MASK                 0x0700  /* CLKOUT_SLOT - [10:8] */
 250 #define WM831X_CLKOUT_SLOT_SHIFT                     8  /* CLKOUT_SLOT - [10:8] */
 251 #define WM831X_CLKOUT_SLOT_WIDTH                     3  /* CLKOUT_SLOT - [10:8] */
 252 #define WM831X_CLKOUT_SLPSLOT_MASK              0x0070  /* CLKOUT_SLPSLOT - [6:4] */
 253 #define WM831X_CLKOUT_SLPSLOT_SHIFT                  4  /* CLKOUT_SLPSLOT - [6:4] */
 254 #define WM831X_CLKOUT_SLPSLOT_WIDTH                  3  /* CLKOUT_SLPSLOT - [6:4] */
 255 #define WM831X_CLKOUT_SRC                       0x0001  /* CLKOUT_SRC */
 256 #define WM831X_CLKOUT_SRC_MASK                  0x0001  /* CLKOUT_SRC */
 257 #define WM831X_CLKOUT_SRC_SHIFT                      0  /* CLKOUT_SRC */
 258 #define WM831X_CLKOUT_SRC_WIDTH                      1  /* CLKOUT_SRC */
 259
 260 /*
 261  * R16529 (0x4091) - Clock Control 2
 262  */
 263 #define WM831X_XTAL_INH                         0x8000  /* XTAL_INH */
 264 #define WM831X_XTAL_INH_MASK                    0x8000  /* XTAL_INH */
 265 #define WM831X_XTAL_INH_SHIFT                       15  /* XTAL_INH */
 266 #define WM831X_XTAL_INH_WIDTH                        1  /* XTAL_INH */
 267 #define WM831X_XTAL_ENA                         0x2000  /* XTAL_ENA */
 268 #define WM831X_XTAL_ENA_MASK                    0x2000  /* XTAL_ENA */
 269 #define WM831X_XTAL_ENA_SHIFT                       13  /* XTAL_ENA */
 270 #define WM831X_XTAL_ENA_WIDTH                        1  /* XTAL_ENA */
 271 #define WM831X_XTAL_BKUPENA                     0x1000  /* XTAL_BKUPENA */
 272 #define WM831X_XTAL_BKUPENA_MASK                0x1000  /* XTAL_BKUPENA */
 273 #define WM831X_XTAL_BKUPENA_SHIFT                   12  /* XTAL_BKUPENA */
 274 #define WM831X_XTAL_BKUPENA_WIDTH                    1  /* XTAL_BKUPENA */
 275 #define WM831X_FLL_AUTO                         0x0080  /* FLL_AUTO */
 276 #define WM831X_FLL_AUTO_MASK                    0x0080  /* FLL_AUTO */
 277 #define WM831X_FLL_AUTO_SHIFT                        7  /* FLL_AUTO */
 278 #define WM831X_FLL_AUTO_WIDTH                        1  /* FLL_AUTO */
 279 #define WM831X_FLL_AUTO_FREQ_MASK               0x0007  /* FLL_AUTO_FREQ - [2:0] */
 280 #define WM831X_FLL_AUTO_FREQ_SHIFT                   0  /* FLL_AUTO_FREQ - [2:0] */
 281 #define WM831X_FLL_AUTO_FREQ_WIDTH                   3  /* FLL_AUTO_FREQ - [2:0] */
 282
 283 /*
 284  * R16530 (0x4092) - FLL Control 1
 285  */
 286 #define WM831X_FLL_FRAC                         0x0004  /* FLL_FRAC */
 287 #define WM831X_FLL_FRAC_MASK                    0x0004  /* FLL_FRAC */
 288 #define WM831X_FLL_FRAC_SHIFT                        2  /* FLL_FRAC */
 289 #define WM831X_FLL_FRAC_WIDTH                        1  /* FLL_FRAC */
 290 #define WM831X_FLL_OSC_ENA                      0x0002  /* FLL_OSC_ENA */
 291 #define WM831X_FLL_OSC_ENA_MASK                 0x0002  /* FLL_OSC_ENA */
 292 #define WM831X_FLL_OSC_ENA_SHIFT                     1  /* FLL_OSC_ENA */
 293 #define WM831X_FLL_OSC_ENA_WIDTH                     1  /* FLL_OSC_ENA */
 294 #define WM831X_FLL_ENA                          0x0001  /* FLL_ENA */
 295 #define WM831X_FLL_ENA_MASK                     0x0001  /* FLL_ENA */
 296 #define WM831X_FLL_ENA_SHIFT                         0  /* FLL_ENA */
 297 #define WM831X_FLL_ENA_WIDTH                         1  /* FLL_ENA */
 298
 299 /*
 300  * R16531 (0x4093) - FLL Control 2
 301  */
 302 #define WM831X_FLL_OUTDIV_MASK                  0x3F00  /* FLL_OUTDIV - [13:8] */
 303 #define WM831X_FLL_OUTDIV_SHIFT                      8  /* FLL_OUTDIV - [13:8] */
 304 #define WM831X_FLL_OUTDIV_WIDTH                      6  /* FLL_OUTDIV - [13:8] */
 305 #define WM831X_FLL_CTRL_RATE_MASK               0x0070  /* FLL_CTRL_RATE - [6:4] */
 306 #define WM831X_FLL_CTRL_RATE_SHIFT                   4  /* FLL_CTRL_RATE - [6:4] */
 307 #define WM831X_FLL_CTRL_RATE_WIDTH                   3  /* FLL_CTRL_RATE - [6:4] */
 308 #define WM831X_FLL_FRATIO_MASK                  0x0007  /* FLL_FRATIO - [2:0] */
 309 #define WM831X_FLL_FRATIO_SHIFT                      0  /* FLL_FRATIO - [2:0] */
 310 #define WM831X_FLL_FRATIO_WIDTH                      3  /* FLL_FRATIO - [2:0] */
 311
 312 /*
 313  * R16532 (0x4094) - FLL Control 3
 314  */
 315 #define WM831X_FLL_K_MASK                       0xFFFF  /* FLL_K - [15:0] */
 316 #define WM831X_FLL_K_SHIFT                           0  /* FLL_K - [15:0] */
 317 #define WM831X_FLL_K_WIDTH                          16  /* FLL_K - [15:0] */
 318
 319 /*
 320  * R16533 (0x4095) - FLL Control 4
 321  */
 322 #define WM831X_FLL_N_MASK                       0x7FE0  /* FLL_N - [14:5] */
 323 #define WM831X_FLL_N_SHIFT                           5  /* FLL_N - [14:5] */
 324 #define WM831X_FLL_N_WIDTH                          10  /* FLL_N - [14:5] */
 325 #define WM831X_FLL_GAIN_MASK                    0x000F  /* FLL_GAIN - [3:0] */
 326 #define WM831X_FLL_GAIN_SHIFT                        0  /* FLL_GAIN - [3:0] */
 327 #define WM831X_FLL_GAIN_WIDTH                        4  /* FLL_GAIN - [3:0] */
 328
 329 /*
 330  * R16534 (0x4096) - FLL Control 5
 331  */
 332 #define WM831X_FLL_CLK_REF_DIV_MASK             0x0018  /* FLL_CLK_REF_DIV - [4:3] */
 333 #define WM831X_FLL_CLK_REF_DIV_SHIFT                 3  /* FLL_CLK_REF_DIV - [4:3] */
 334 #define WM831X_FLL_CLK_REF_DIV_WIDTH                 2  /* FLL_CLK_REF_DIV - [4:3] */
 335 #define WM831X_FLL_CLK_SRC_MASK                 0x0003  /* FLL_CLK_SRC - [1:0] */
 336 #define WM831X_FLL_CLK_SRC_SHIFT                     0  /* FLL_CLK_SRC - [1:0] */
 337 #define WM831X_FLL_CLK_SRC_WIDTH                     2  /* FLL_CLK_SRC - [1:0] */
 338
 339 struct regulator_dev;
 340
 341 #define WM831X_NUM_IRQ_REGS 5
 342 #define WM831X_NUM_GPIO_REGS 16
 343
 344 enum wm831x_parent {
 345         WM8310 = 0x8310,
 346         WM8311 = 0x8311,
 347         WM8312 = 0x8312,
 348         WM8320 = 0x8320,
 349         WM8321 = 0x8321,
 350         WM8325 = 0x8325,
 351         WM8326 = 0x8326,
 352 };
 353
 354 struct wm831x;
 355 enum wm831x_auxadc;
 356
 357 typedef int (*wm831x_auxadc_read_fn)(struct wm831x *wm831x,
 358                                      enum wm831x_auxadc input);
 359
 360 struct wm831x {
 361         struct mutex io_lock;
 362
 363         struct device *dev;
 364         int (*read_dev)(struct wm831x *wm831x, unsigned short reg,
 365                         int bytes, void *dest);
 366         int (*write_dev)(struct wm831x *wm831x, unsigned short reg,
 367                          int bytes, void *src);
 368
 369         void *control_data;
 370
 371         int irq;  /* Our chip IRQ */
 372         struct mutex irq_lock;
 373         int irq_base;
 374         int irq_masks_cur[WM831X_NUM_IRQ_REGS];   /* Currently active value */
 375         int irq_masks_cache[WM831X_NUM_IRQ_REGS]; /* Cached hardware value */
 376
 377         bool soft_shutdown;
 378
 379         /* Chip revision based flags */
 380         unsigned has_gpio_ena:1;         /* Has GPIO enable bit */
 381         unsigned has_cs_sts:1;           /* Has current sink status bit */
 382         unsigned charger_irq_wake:1;     /* Are charger IRQs a wake source? */
 383
 384         int num_gpio;
 385
 386         /* Used by the interrupt controller code to post writes */
 387         int gpio_update[WM831X_NUM_GPIO_REGS];
 388         bool gpio_level[WM831X_NUM_GPIO_REGS];
 389
 390         struct mutex auxadc_lock;
 391         struct list_head auxadc_pending;
 392         u16 auxadc_active;
 393         wm831x_auxadc_read_fn auxadc_read;
 394
 395         /* The WM831x has a security key blocking access to certain
 396          * registers.  The mutex is taken by the accessors for locking
 397          * and unlocking the security key, locked is used to fail
 398          * writes if the lock is held.
 399          */
 400         struct mutex key_lock;
 401         unsigned int locked:1;
 402 };
 403
 404 /* Device I/O API */
 405 int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg);
 406 int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
 407                  unsigned short val);
 408 void wm831x_reg_lock(struct wm831x *wm831x);
 409 int wm831x_reg_unlock(struct wm831x *wm831x);
 410 int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
 411                     unsigned short mask, unsigned short val);
 412 int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
 413                      int count, u16 *buf);
 414
 415 int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq);
 416 void wm831x_device_exit(struct wm831x *wm831x);
 417 int wm831x_device_suspend(struct wm831x *wm831x);
 418 void wm831x_device_shutdown(struct wm831x *wm831x);
 419 int wm831x_irq_init(struct wm831x *wm831x, int irq);
 420 void wm831x_irq_exit(struct wm831x *wm831x);
 421 void wm831x_auxadc_init(struct wm831x *wm831x);
 422
 423 #endif