include/linux/mfd/wm8350/core.h

   1 /*
   2  * core.h  --  Core Driver for Wolfson WM8350 PMIC
   3  *
   4  * Copyright 2007 Wolfson Microelectronics PLC
   5  *
   6  *  This program is free software; you can redistribute  it and/or modify it
   7  *  under  the terms of  the GNU General  Public License as published by the
   8  *  Free Software Foundation;  either version 2 of the  License, or (at your
   9  *  option) any later version.
  10  *
  11  */
  12
  13 #ifndef __LINUX_MFD_WM8350_CORE_H_
  14 #define __LINUX_MFD_WM8350_CORE_H_
  15
  16 #include <linux/kernel.h>
  17 #include <linux/mutex.h>
  18 #include <linux/workqueue.h>
  19
  20 #include <linux/mfd/wm8350/audio.h>
  21 #include <linux/mfd/wm8350/gpio.h>
  22 #include <linux/mfd/wm8350/pmic.h>
  23 #include <linux/mfd/wm8350/rtc.h>
  24 #include <linux/mfd/wm8350/supply.h>
  25 #include <linux/mfd/wm8350/wdt.h>
  26
  27 /*
  28  * Register values.
  29  */
  30 #define WM8350_RESET_ID                         0x00
  31 #define WM8350_ID                               0x01
  32 #define WM8350_SYSTEM_CONTROL_1                 0x03
  33 #define WM8350_SYSTEM_CONTROL_2                 0x04
  34 #define WM8350_SYSTEM_HIBERNATE                 0x05
  35 #define WM8350_INTERFACE_CONTROL                0x06
  36 #define WM8350_POWER_MGMT_1                     0x08
  37 #define WM8350_POWER_MGMT_2                     0x09
  38 #define WM8350_POWER_MGMT_3                     0x0A
  39 #define WM8350_POWER_MGMT_4                     0x0B
  40 #define WM8350_POWER_MGMT_5                     0x0C
  41 #define WM8350_POWER_MGMT_6                     0x0D
  42 #define WM8350_POWER_MGMT_7                     0x0E
  43
  44 #define WM8350_SYSTEM_INTERRUPTS                0x18
  45 #define WM8350_INT_STATUS_1                     0x19
  46 #define WM8350_INT_STATUS_2                     0x1A
  47 #define WM8350_POWER_UP_INT_STATUS              0x1B
  48 #define WM8350_UNDER_VOLTAGE_INT_STATUS         0x1C
  49 #define WM8350_OVER_CURRENT_INT_STATUS          0x1D
  50 #define WM8350_GPIO_INT_STATUS                  0x1E
  51 #define WM8350_COMPARATOR_INT_STATUS            0x1F
  52 #define WM8350_SYSTEM_INTERRUPTS_MASK           0x20
  53 #define WM8350_INT_STATUS_1_MASK                0x21
  54 #define WM8350_INT_STATUS_2_MASK                0x22
  55 #define WM8350_POWER_UP_INT_STATUS_MASK         0x23
  56 #define WM8350_UNDER_VOLTAGE_INT_STATUS_MASK    0x24
  57 #define WM8350_OVER_CURRENT_INT_STATUS_MASK     0x25
  58 #define WM8350_GPIO_INT_STATUS_MASK             0x26
  59 #define WM8350_COMPARATOR_INT_STATUS_MASK       0x27
  60
  61 #define WM8350_MAX_REGISTER                     0xFF
  62
  63 /*
  64  * Field Definitions.
  65  */
  66
  67 /*
  68  * R0 (0x00) - Reset/ID
  69  */
  70 #define WM8350_SW_RESET_CHIP_ID_MASK            0xFFFF
  71
  72 /*
  73  * R1 (0x01) - ID
  74  */
  75 #define WM8350_CHIP_REV_MASK                    0x7000
  76 #define WM8350_CONF_STS_MASK                    0x0C00
  77 #define WM8350_CUST_ID_MASK                     0x00FF
  78
  79 /*
  80  * R3 (0x03) - System Control 1
  81  */
  82 #define WM8350_CHIP_ON                          0x8000
  83 #define WM8350_POWERCYCLE                       0x2000
  84 #define WM8350_VCC_FAULT_OV                     0x1000
  85 #define WM8350_REG_RSTB_TIME_MASK               0x0C00
  86 #define WM8350_BG_SLEEP                         0x0200
  87 #define WM8350_MEM_VALID                        0x0020
  88 #define WM8350_CHIP_SET_UP                      0x0010
  89 #define WM8350_ON_DEB_T                         0x0008
  90 #define WM8350_ON_POL                           0x0002
  91 #define WM8350_IRQ_POL                          0x0001
  92
  93 /*
  94  * R4 (0x04) - System Control 2
  95  */
  96 #define WM8350_USB_SUSPEND_8MA                  0x8000
  97 #define WM8350_USB_SUSPEND                      0x4000
  98 #define WM8350_USB_MSTR                         0x2000
  99 #define WM8350_USB_MSTR_SRC                     0x1000
 100 #define WM8350_USB_500MA                        0x0800
 101 #define WM8350_USB_NOLIM                        0x0400
 102
 103 /*
 104  * R5 (0x05) - System Hibernate
 105  */
 106 #define WM8350_HIBERNATE                        0x8000
 107 #define WM8350_WDOG_HIB_MODE                    0x0080
 108 #define WM8350_REG_HIB_STARTUP_SEQ              0x0040
 109 #define WM8350_REG_RESET_HIB_MODE               0x0020
 110 #define WM8350_RST_HIB_MODE                     0x0010
 111 #define WM8350_IRQ_HIB_MODE                     0x0008
 112 #define WM8350_MEMRST_HIB_MODE                  0x0004
 113 #define WM8350_PCCOMP_HIB_MODE                  0x0002
 114 #define WM8350_TEMPMON_HIB_MODE                 0x0001
 115
 116 /*
 117  * R6 (0x06) - Interface Control
 118  */
 119 #define WM8350_USE_DEV_PINS                     0x8000
 120 #define WM8350_USE_DEV_PINS_MASK                0x8000
 121 #define WM8350_USE_DEV_PINS_SHIFT                   15
 122 #define WM8350_DEV_ADDR_MASK                    0x6000
 123 #define WM8350_DEV_ADDR_SHIFT                       13
 124 #define WM8350_CONFIG_DONE                      0x1000
 125 #define WM8350_CONFIG_DONE_MASK                 0x1000
 126 #define WM8350_CONFIG_DONE_SHIFT                    12
 127 #define WM8350_RECONFIG_AT_ON                   0x0800
 128 #define WM8350_RECONFIG_AT_ON_MASK              0x0800
 129 #define WM8350_RECONFIG_AT_ON_SHIFT                 11
 130 #define WM8350_AUTOINC                          0x0200
 131 #define WM8350_AUTOINC_MASK                     0x0200
 132 #define WM8350_AUTOINC_SHIFT                         9
 133 #define WM8350_ARA                              0x0100
 134 #define WM8350_ARA_MASK                         0x0100
 135 #define WM8350_ARA_SHIFT                             8
 136 #define WM8350_SPI_CFG                          0x0008
 137 #define WM8350_SPI_CFG_MASK                     0x0008
 138 #define WM8350_SPI_CFG_SHIFT                         3
 139 #define WM8350_SPI_4WIRE                        0x0004
 140 #define WM8350_SPI_4WIRE_MASK                   0x0004
 141 #define WM8350_SPI_4WIRE_SHIFT                       2
 142 #define WM8350_SPI_3WIRE                        0x0002
 143 #define WM8350_SPI_3WIRE_MASK                   0x0002
 144 #define WM8350_SPI_3WIRE_SHIFT                       1
 145
 146 /* Bit values for R06 (0x06) */
 147 #define WM8350_USE_DEV_PINS_PRIMARY                  0
 148 #define WM8350_USE_DEV_PINS_DEV                      1
 149
 150 #define WM8350_DEV_ADDR_34                           0
 151 #define WM8350_DEV_ADDR_36                           1
 152 #define WM8350_DEV_ADDR_3C                           2
 153 #define WM8350_DEV_ADDR_3E                           3
 154
 155 #define WM8350_CONFIG_DONE_OFF                       0
 156 #define WM8350_CONFIG_DONE_DONE                      1
 157
 158 #define WM8350_RECONFIG_AT_ON_OFF                    0
 159 #define WM8350_RECONFIG_AT_ON_ON                     1
 160
 161 #define WM8350_AUTOINC_OFF                           0
 162 #define WM8350_AUTOINC_ON                            1
 163
 164 #define WM8350_ARA_OFF                               0
 165 #define WM8350_ARA_ON                                1
 166
 167 #define WM8350_SPI_CFG_CMOS                          0
 168 #define WM8350_SPI_CFG_OD                            1
 169
 170 #define WM8350_SPI_4WIRE_3WIRE                       0
 171 #define WM8350_SPI_4WIRE_4WIRE                       1
 172
 173 #define WM8350_SPI_3WIRE_I2C                         0
 174 #define WM8350_SPI_3WIRE_SPI                         1
 175
 176 /*
 177  * R8 (0x08) - Power mgmt (1)
 178  */
 179 #define WM8350_CODEC_ISEL_MASK                  0xC000
 180 #define WM8350_VBUFEN                           0x2000
 181 #define WM8350_OUTPUT_DRAIN_EN                  0x0400
 182 #define WM8350_MIC_DET_ENA                      0x0100
 183 #define WM8350_BIASEN                           0x0020
 184 #define WM8350_MICBEN                           0x0010
 185 #define WM8350_VMIDEN                           0x0004
 186 #define WM8350_VMID_MASK                        0x0003
 187 #define WM8350_VMID_SHIFT                            0
 188
 189 /*
 190  * R9 (0x09) - Power mgmt (2)
 191  */
 192 #define WM8350_IN3R_ENA                         0x0800
 193 #define WM8350_IN3L_ENA                         0x0400
 194 #define WM8350_INR_ENA                          0x0200
 195 #define WM8350_INL_ENA                          0x0100
 196 #define WM8350_MIXINR_ENA                       0x0080
 197 #define WM8350_MIXINL_ENA                       0x0040
 198 #define WM8350_OUT4_ENA                         0x0020
 199 #define WM8350_OUT3_ENA                         0x0010
 200 #define WM8350_MIXOUTR_ENA                      0x0002
 201 #define WM8350_MIXOUTL_ENA                      0x0001
 202
 203 /*
 204  * R10 (0x0A) - Power mgmt (3)
 205  */
 206 #define WM8350_IN3R_TO_OUT2R                    0x0080
 207 #define WM8350_OUT2R_ENA                        0x0008
 208 #define WM8350_OUT2L_ENA                        0x0004
 209 #define WM8350_OUT1R_ENA                        0x0002
 210 #define WM8350_OUT1L_ENA                        0x0001
 211
 212 /*
 213  * R11 (0x0B) - Power mgmt (4)
 214  */
 215 #define WM8350_SYSCLK_ENA                       0x4000
 216 #define WM8350_ADC_HPF_ENA                      0x2000
 217 #define WM8350_FLL_ENA                          0x0800
 218 #define WM8350_FLL_OSC_ENA                      0x0400
 219 #define WM8350_TOCLK_ENA                        0x0100
 220 #define WM8350_DACR_ENA                         0x0020
 221 #define WM8350_DACL_ENA                         0x0010
 222 #define WM8350_ADCR_ENA                         0x0008
 223 #define WM8350_ADCL_ENA                         0x0004
 224
 225 /*
 226  * R12 (0x0C) - Power mgmt (5)
 227  */
 228 #define WM8350_CODEC_ENA                        0x1000
 229 #define WM8350_RTC_TICK_ENA                     0x0800
 230 #define WM8350_OSC32K_ENA                       0x0400
 231 #define WM8350_CHG_ENA                          0x0200
 232 #define WM8350_ACC_DET_ENA                      0x0100
 233 #define WM8350_AUXADC_ENA                       0x0080
 234 #define WM8350_DCMP4_ENA                        0x0008
 235 #define WM8350_DCMP3_ENA                        0x0004
 236 #define WM8350_DCMP2_ENA                        0x0002
 237 #define WM8350_DCMP1_ENA                        0x0001
 238
 239 /*
 240  * R13 (0x0D) - Power mgmt (6)
 241  */
 242 #define WM8350_LS_ENA                           0x8000
 243 #define WM8350_LDO4_ENA                         0x0800
 244 #define WM8350_LDO3_ENA                         0x0400
 245 #define WM8350_LDO2_ENA                         0x0200
 246 #define WM8350_LDO1_ENA                         0x0100
 247 #define WM8350_DC6_ENA                          0x0020
 248 #define WM8350_DC5_ENA                          0x0010
 249 #define WM8350_DC4_ENA                          0x0008
 250 #define WM8350_DC3_ENA                          0x0004
 251 #define WM8350_DC2_ENA                          0x0002
 252 #define WM8350_DC1_ENA                          0x0001
 253
 254 /*
 255  * R14 (0x0E) - Power mgmt (7)
 256  */
 257 #define WM8350_CS2_ENA                          0x0002
 258 #define WM8350_CS1_ENA                          0x0001
 259
 260 /*
 261  * R24 (0x18) - System Interrupts
 262  */
 263 #define WM8350_OC_INT                           0x2000
 264 #define WM8350_UV_INT                           0x1000
 265 #define WM8350_PUTO_INT                         0x0800
 266 #define WM8350_CS_INT                           0x0200
 267 #define WM8350_EXT_INT                          0x0100
 268 #define WM8350_CODEC_INT                        0x0080
 269 #define WM8350_GP_INT                           0x0040
 270 #define WM8350_AUXADC_INT                       0x0020
 271 #define WM8350_RTC_INT                          0x0010
 272 #define WM8350_SYS_INT                          0x0008
 273 #define WM8350_CHG_INT                          0x0004
 274 #define WM8350_USB_INT                          0x0002
 275 #define WM8350_WKUP_INT                         0x0001
 276
 277 /*
 278  * R25 (0x19) - Interrupt Status 1
 279  */
 280 #define WM8350_CHG_BAT_HOT_EINT                 0x8000
 281 #define WM8350_CHG_BAT_COLD_EINT                0x4000
 282 #define WM8350_CHG_BAT_FAIL_EINT                0x2000
 283 #define WM8350_CHG_TO_EINT                      0x1000
 284 #define WM8350_CHG_END_EINT                     0x0800
 285 #define WM8350_CHG_START_EINT                   0x0400
 286 #define WM8350_CHG_FAST_RDY_EINT                0x0200
 287 #define WM8350_RTC_PER_EINT                     0x0080
 288 #define WM8350_RTC_SEC_EINT                     0x0040
 289 #define WM8350_RTC_ALM_EINT                     0x0020
 290 #define WM8350_CHG_VBATT_LT_3P9_EINT            0x0004
 291 #define WM8350_CHG_VBATT_LT_3P1_EINT            0x0002
 292 #define WM8350_CHG_VBATT_LT_2P85_EINT           0x0001
 293
 294 /*
 295  * R26 (0x1A) - Interrupt Status 2
 296  */
 297 #define WM8350_CS1_EINT                         0x2000
 298 #define WM8350_CS2_EINT                         0x1000
 299 #define WM8350_USB_LIMIT_EINT                   0x0400
 300 #define WM8350_AUXADC_DATARDY_EINT              0x0100
 301 #define WM8350_AUXADC_DCOMP4_EINT               0x0080
 302 #define WM8350_AUXADC_DCOMP3_EINT               0x0040
 303 #define WM8350_AUXADC_DCOMP2_EINT               0x0020
 304 #define WM8350_AUXADC_DCOMP1_EINT               0x0010
 305 #define WM8350_SYS_HYST_COMP_FAIL_EINT          0x0008
 306 #define WM8350_SYS_CHIP_GT115_EINT              0x0004
 307 #define WM8350_SYS_CHIP_GT140_EINT              0x0002
 308 #define WM8350_SYS_WDOG_TO_EINT                 0x0001
 309
 310 /*
 311  * R27 (0x1B) - Power Up Interrupt Status
 312  */
 313 #define WM8350_PUTO_LDO4_EINT                   0x0800
 314 #define WM8350_PUTO_LDO3_EINT                   0x0400
 315 #define WM8350_PUTO_LDO2_EINT                   0x0200
 316 #define WM8350_PUTO_LDO1_EINT                   0x0100
 317 #define WM8350_PUTO_DC6_EINT                    0x0020
 318 #define WM8350_PUTO_DC5_EINT                    0x0010
 319 #define WM8350_PUTO_DC4_EINT                    0x0008
 320 #define WM8350_PUTO_DC3_EINT                    0x0004
 321 #define WM8350_PUTO_DC2_EINT                    0x0002
 322 #define WM8350_PUTO_DC1_EINT                    0x0001
 323
 324 /*
 325  * R28 (0x1C) - Under Voltage Interrupt status
 326  */
 327 #define WM8350_UV_LDO4_EINT                     0x0800
 328 #define WM8350_UV_LDO3_EINT                     0x0400
 329 #define WM8350_UV_LDO2_EINT                     0x0200
 330 #define WM8350_UV_LDO1_EINT                     0x0100
 331 #define WM8350_UV_DC6_EINT                      0x0020
 332 #define WM8350_UV_DC5_EINT                      0x0010
 333 #define WM8350_UV_DC4_EINT                      0x0008
 334 #define WM8350_UV_DC3_EINT                      0x0004
 335 #define WM8350_UV_DC2_EINT                      0x0002
 336 #define WM8350_UV_DC1_EINT                      0x0001
 337
 338 /*
 339  * R29 (0x1D) - Over Current Interrupt status
 340  */
 341 #define WM8350_OC_LS_EINT                       0x8000
 342
 343 /*
 344  * R30 (0x1E) - GPIO Interrupt Status
 345  */
 346 #define WM8350_GP12_EINT                        0x1000
 347 #define WM8350_GP11_EINT                        0x0800
 348 #define WM8350_GP10_EINT                        0x0400
 349 #define WM8350_GP9_EINT                         0x0200
 350 #define WM8350_GP8_EINT                         0x0100
 351 #define WM8350_GP7_EINT                         0x0080
 352 #define WM8350_GP6_EINT                         0x0040
 353 #define WM8350_GP5_EINT                         0x0020
 354 #define WM8350_GP4_EINT                         0x0010
 355 #define WM8350_GP3_EINT                         0x0008
 356 #define WM8350_GP2_EINT                         0x0004
 357 #define WM8350_GP1_EINT                         0x0002
 358 #define WM8350_GP0_EINT                         0x0001
 359
 360 /*
 361  * R31 (0x1F) - Comparator Interrupt Status
 362  */
 363 #define WM8350_EXT_USB_FB_EINT                  0x8000
 364 #define WM8350_EXT_WALL_FB_EINT                 0x4000
 365 #define WM8350_EXT_BAT_FB_EINT                  0x2000
 366 #define WM8350_CODEC_JCK_DET_L_EINT             0x0800
 367 #define WM8350_CODEC_JCK_DET_R_EINT             0x0400
 368 #define WM8350_CODEC_MICSCD_EINT                0x0200
 369 #define WM8350_CODEC_MICD_EINT                  0x0100
 370 #define WM8350_WKUP_OFF_STATE_EINT              0x0040
 371 #define WM8350_WKUP_HIB_STATE_EINT              0x0020
 372 #define WM8350_WKUP_CONV_FAULT_EINT             0x0010
 373 #define WM8350_WKUP_WDOG_RST_EINT               0x0008
 374 #define WM8350_WKUP_GP_PWR_ON_EINT              0x0004
 375 #define WM8350_WKUP_ONKEY_EINT                  0x0002
 376 #define WM8350_WKUP_GP_WAKEUP_EINT              0x0001
 377
 378 /*
 379  * R32 (0x20) - System Interrupts Mask
 380  */
 381 #define WM8350_IM_OC_INT                        0x2000
 382 #define WM8350_IM_UV_INT                        0x1000
 383 #define WM8350_IM_PUTO_INT                      0x0800
 384 #define WM8350_IM_SPARE_INT                     0x0400
 385 #define WM8350_IM_CS_INT                        0x0200
 386 #define WM8350_IM_EXT_INT                       0x0100
 387 #define WM8350_IM_CODEC_INT                     0x0080
 388 #define WM8350_IM_GP_INT                        0x0040
 389 #define WM8350_IM_AUXADC_INT                    0x0020
 390 #define WM8350_IM_RTC_INT                       0x0010
 391 #define WM8350_IM_SYS_INT                       0x0008
 392 #define WM8350_IM_CHG_INT                       0x0004
 393 #define WM8350_IM_USB_INT                       0x0002
 394 #define WM8350_IM_WKUP_INT                      0x0001
 395
 396 /*
 397  * R33 (0x21) - Interrupt Status 1 Mask
 398  */
 399 #define WM8350_IM_CHG_BAT_HOT_EINT              0x8000
 400 #define WM8350_IM_CHG_BAT_COLD_EINT             0x4000
 401 #define WM8350_IM_CHG_BAT_FAIL_EINT             0x2000
 402 #define WM8350_IM_CHG_TO_EINT                   0x1000
 403 #define WM8350_IM_CHG_END_EINT                  0x0800
 404 #define WM8350_IM_CHG_START_EINT                0x0400
 405 #define WM8350_IM_CHG_FAST_RDY_EINT             0x0200
 406 #define WM8350_IM_RTC_PER_EINT                  0x0080
 407 #define WM8350_IM_RTC_SEC_EINT                  0x0040
 408 #define WM8350_IM_RTC_ALM_EINT                  0x0020
 409 #define WM8350_IM_CHG_VBATT_LT_3P9_EINT         0x0004
 410 #define WM8350_IM_CHG_VBATT_LT_3P1_EINT         0x0002
 411 #define WM8350_IM_CHG_VBATT_LT_2P85_EINT        0x0001
 412
 413 /*
 414  * R34 (0x22) - Interrupt Status 2 Mask
 415  */
 416 #define WM8350_IM_SPARE2_EINT                   0x8000
 417 #define WM8350_IM_SPARE1_EINT                   0x4000
 418 #define WM8350_IM_CS1_EINT                      0x2000
 419 #define WM8350_IM_CS2_EINT                      0x1000
 420 #define WM8350_IM_USB_LIMIT_EINT                0x0400
 421 #define WM8350_IM_AUXADC_DATARDY_EINT           0x0100
 422 #define WM8350_IM_AUXADC_DCOMP4_EINT            0x0080
 423 #define WM8350_IM_AUXADC_DCOMP3_EINT            0x0040
 424 #define WM8350_IM_AUXADC_DCOMP2_EINT            0x0020
 425 #define WM8350_IM_AUXADC_DCOMP1_EINT            0x0010
 426 #define WM8350_IM_SYS_HYST_COMP_FAIL_EINT       0x0008
 427 #define WM8350_IM_SYS_CHIP_GT115_EINT           0x0004
 428 #define WM8350_IM_SYS_CHIP_GT140_EINT           0x0002
 429 #define WM8350_IM_SYS_WDOG_TO_EINT              0x0001
 430
 431 /*
 432  * R35 (0x23) - Power Up Interrupt Status Mask
 433  */
 434 #define WM8350_IM_PUTO_LDO4_EINT                0x0800
 435 #define WM8350_IM_PUTO_LDO3_EINT                0x0400
 436 #define WM8350_IM_PUTO_LDO2_EINT                0x0200
 437 #define WM8350_IM_PUTO_LDO1_EINT                0x0100
 438 #define WM8350_IM_PUTO_DC6_EINT                 0x0020
 439 #define WM8350_IM_PUTO_DC5_EINT                 0x0010
 440 #define WM8350_IM_PUTO_DC4_EINT                 0x0008
 441 #define WM8350_IM_PUTO_DC3_EINT                 0x0004
 442 #define WM8350_IM_PUTO_DC2_EINT                 0x0002
 443 #define WM8350_IM_PUTO_DC1_EINT                 0x0001
 444
 445 /*
 446  * R36 (0x24) - Under Voltage Interrupt status Mask
 447  */
 448 #define WM8350_IM_UV_LDO4_EINT                  0x0800
 449 #define WM8350_IM_UV_LDO3_EINT                  0x0400
 450 #define WM8350_IM_UV_LDO2_EINT                  0x0200
 451 #define WM8350_IM_UV_LDO1_EINT                  0x0100
 452 #define WM8350_IM_UV_DC6_EINT                   0x0020
 453 #define WM8350_IM_UV_DC5_EINT                   0x0010
 454 #define WM8350_IM_UV_DC4_EINT                   0x0008
 455 #define WM8350_IM_UV_DC3_EINT                   0x0004
 456 #define WM8350_IM_UV_DC2_EINT                   0x0002
 457 #define WM8350_IM_UV_DC1_EINT                   0x0001
 458
 459 /*
 460  * R37 (0x25) - Over Current Interrupt status Mask
 461  */
 462 #define WM8350_IM_OC_LS_EINT                    0x8000
 463
 464 /*
 465  * R38 (0x26) - GPIO Interrupt Status Mask
 466  */
 467 #define WM8350_IM_GP12_EINT                     0x1000
 468 #define WM8350_IM_GP11_EINT                     0x0800
 469 #define WM8350_IM_GP10_EINT                     0x0400
 470 #define WM8350_IM_GP9_EINT                      0x0200
 471 #define WM8350_IM_GP8_EINT                      0x0100
 472 #define WM8350_IM_GP7_EINT                      0x0080
 473 #define WM8350_IM_GP6_EINT                      0x0040
 474 #define WM8350_IM_GP5_EINT                      0x0020
 475 #define WM8350_IM_GP4_EINT                      0x0010
 476 #define WM8350_IM_GP3_EINT                      0x0008
 477 #define WM8350_IM_GP2_EINT                      0x0004
 478 #define WM8350_IM_GP1_EINT                      0x0002
 479 #define WM8350_IM_GP0_EINT                      0x0001
 480
 481 /*
 482  * R39 (0x27) - Comparator Interrupt Status Mask
 483  */
 484 #define WM8350_IM_EXT_USB_FB_EINT               0x8000
 485 #define WM8350_IM_EXT_WALL_FB_EINT              0x4000
 486 #define WM8350_IM_EXT_BAT_FB_EINT               0x2000
 487 #define WM8350_IM_CODEC_JCK_DET_L_EINT          0x0800
 488 #define WM8350_IM_CODEC_JCK_DET_R_EINT          0x0400
 489 #define WM8350_IM_CODEC_MICSCD_EINT             0x0200
 490 #define WM8350_IM_CODEC_MICD_EINT               0x0100
 491 #define WM8350_IM_WKUP_OFF_STATE_EINT           0x0040
 492 #define WM8350_IM_WKUP_HIB_STATE_EINT           0x0020
 493 #define WM8350_IM_WKUP_CONV_FAULT_EINT          0x0010
 494 #define WM8350_IM_WKUP_WDOG_RST_EINT            0x0008
 495 #define WM8350_IM_WKUP_GP_PWR_ON_EINT           0x0004
 496 #define WM8350_IM_WKUP_ONKEY_EINT               0x0002
 497 #define WM8350_IM_WKUP_GP_WAKEUP_EINT           0x0001
 498
 499 /*
 500  * R220 (0xDC) - RAM BIST 1
 501  */
 502 #define WM8350_READ_STATUS                      0x0800
 503 #define WM8350_TSTRAM_CLK                       0x0100
 504 #define WM8350_TSTRAM_CLK_ENA                   0x0080
 505 #define WM8350_STARTSEQ                         0x0040
 506 #define WM8350_READ_SRC                         0x0020
 507 #define WM8350_COUNT_DIR                        0x0010
 508 #define WM8350_TSTRAM_MODE_MASK                 0x000E
 509 #define WM8350_TSTRAM_ENA                       0x0001
 510
 511 /*
 512  * R225 (0xE1) - DCDC/LDO status
 513  */
 514 #define WM8350_LS_STS                           0x8000
 515 #define WM8350_LDO4_STS                         0x0800
 516 #define WM8350_LDO3_STS                         0x0400
 517 #define WM8350_LDO2_STS                         0x0200
 518 #define WM8350_LDO1_STS                         0x0100
 519 #define WM8350_DC6_STS                          0x0020
 520 #define WM8350_DC5_STS                          0x0010
 521 #define WM8350_DC4_STS                          0x0008
 522 #define WM8350_DC3_STS                          0x0004
 523 #define WM8350_DC2_STS                          0x0002
 524 #define WM8350_DC1_STS                          0x0001
 525
 526 /* WM8350 wake up conditions */
 527 #define WM8350_IRQ_WKUP_OFF_STATE               43
 528 #define WM8350_IRQ_WKUP_HIB_STATE               44
 529 #define WM8350_IRQ_WKUP_CONV_FAULT              45
 530 #define WM8350_IRQ_WKUP_WDOG_RST                46
 531 #define WM8350_IRQ_WKUP_GP_PWR_ON               47
 532 #define WM8350_IRQ_WKUP_ONKEY                   48
 533 #define WM8350_IRQ_WKUP_GP_WAKEUP               49
 534
 535 /* wm8350 chip revisions */
 536 #define WM8350_REV_E                            0x4
 537 #define WM8350_REV_F                            0x5
 538 #define WM8350_REV_G                            0x6
 539
 540 #define WM8350_NUM_IRQ                          63
 541
 542 struct wm8350_reg_access {
 543         u16 readable;           /* Mask of readable bits */
 544         u16 writable;           /* Mask of writable bits */
 545         u16 vol;                /* Mask of volatile bits */
 546 };
 547 extern const struct wm8350_reg_access wm8350_reg_io_map[];
 548 extern const u16 wm8350_mode0_defaults[];
 549 extern const u16 wm8350_mode1_defaults[];
 550 extern const u16 wm8350_mode2_defaults[];
 551 extern const u16 wm8350_mode3_defaults[];
 552
 553 struct wm8350;
 554
 555 struct wm8350_irq {
 556         void (*handler) (struct wm8350 *, int, void *);
 557         void *data;
 558 };
 559
 560 struct wm8350 {
 561         int rev;                /* chip revision */
 562
 563         struct device *dev;
 564
 565         /* device IO */
 566         union {
 567                 struct i2c_client *i2c_client;
 568                 struct spi_device *spi_device;
 569         };
 570         int (*read_dev)(struct wm8350 *wm8350, char reg, int size, void *dest);
 571         int (*write_dev)(struct wm8350 *wm8350, char reg, int size,
 572                          void *src);
 573         u16 *reg_cache;
 574
 575         /* Interrupt handling */
 576         struct work_struct irq_work;
 577         struct mutex irq_mutex; /* IRQ table mutex */
 578         struct wm8350_irq irq[WM8350_NUM_IRQ];
 579         int chip_irq;
 580
 581         /* Client devices */
 582         struct wm8350_codec codec;
 583         struct wm8350_gpio gpio;
 584         struct wm8350_pmic pmic;
 585         struct wm8350_power power;
 586         struct wm8350_rtc rtc;
 587         struct wm8350_wdt wdt;
 588 };
 589
 590 /**
 591  * Data to be supplied by the platform to initialise the WM8350.
 592  *
 593  * @init: Function called during driver initialisation.  Should be
 594  *        used by the platform to configure GPIO functions and similar.
 595  */
 596 struct wm8350_platform_data {
 597         int (*init)(struct wm8350 *wm8350);
 598 };
 599
 600
 601 /*
 602  * WM8350 device initialisation and exit.
 603  */
 604 int wm8350_device_init(struct wm8350 *wm8350, int irq,
 605                        struct wm8350_platform_data *pdata);
 606 void wm8350_device_exit(struct wm8350 *wm8350);
 607
 608 /*
 609  * WM8350 device IO
 610  */
 611 int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask);
 612 int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask);
 613 u16 wm8350_reg_read(struct wm8350 *wm8350, int reg);
 614 int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val);
 615 int wm8350_reg_lock(struct wm8350 *wm8350);
 616 int wm8350_reg_unlock(struct wm8350 *wm8350);
 617 int wm8350_block_read(struct wm8350 *wm8350, int reg, int size, u16 *dest);
 618 int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src);
 619
 620 /*
 621  * WM8350 internal interrupts
 622  */
 623 int wm8350_register_irq(struct wm8350 *wm8350, int irq,
 624                         void (*handler) (struct wm8350 *, int, void *),
 625                         void *data);
 626 int wm8350_free_irq(struct wm8350 *wm8350, int irq);
 627 int wm8350_mask_irq(struct wm8350 *wm8350, int irq);
 628 int wm8350_unmask_irq(struct wm8350 *wm8350, int irq);
 629
 630
 631 #endif