2009-07-27 07:45:52 -06:00
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/*
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* include/linux/mfd/wm831x/core.h -- Core interface for WM831x
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*
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* Copyright 2009 Wolfson Microelectronics PLC.
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*
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* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef __MFD_WM831X_CORE_H__
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#define __MFD_WM831X_CORE_H__
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2009-07-27 07:45:53 -06:00
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#include <linux/interrupt.h>
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#include <linux/workqueue.h>
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2009-07-27 07:45:52 -06:00
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/*
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* Register values.
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*/
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#define WM831X_RESET_ID 0x00
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#define WM831X_REVISION 0x01
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#define WM831X_PARENT_ID 0x4000
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#define WM831X_SYSVDD_CONTROL 0x4001
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#define WM831X_THERMAL_MONITORING 0x4002
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#define WM831X_POWER_STATE 0x4003
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#define WM831X_WATCHDOG 0x4004
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#define WM831X_ON_PIN_CONTROL 0x4005
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#define WM831X_RESET_CONTROL 0x4006
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#define WM831X_CONTROL_INTERFACE 0x4007
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#define WM831X_SECURITY_KEY 0x4008
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#define WM831X_SOFTWARE_SCRATCH 0x4009
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#define WM831X_OTP_CONTROL 0x400A
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#define WM831X_GPIO_LEVEL 0x400C
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#define WM831X_SYSTEM_STATUS 0x400D
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#define WM831X_ON_SOURCE 0x400E
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#define WM831X_OFF_SOURCE 0x400F
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#define WM831X_SYSTEM_INTERRUPTS 0x4010
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#define WM831X_INTERRUPT_STATUS_1 0x4011
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#define WM831X_INTERRUPT_STATUS_2 0x4012
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#define WM831X_INTERRUPT_STATUS_3 0x4013
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#define WM831X_INTERRUPT_STATUS_4 0x4014
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#define WM831X_INTERRUPT_STATUS_5 0x4015
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#define WM831X_IRQ_CONFIG 0x4017
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#define WM831X_SYSTEM_INTERRUPTS_MASK 0x4018
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#define WM831X_INTERRUPT_STATUS_1_MASK 0x4019
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#define WM831X_INTERRUPT_STATUS_2_MASK 0x401A
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#define WM831X_INTERRUPT_STATUS_3_MASK 0x401B
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#define WM831X_INTERRUPT_STATUS_4_MASK 0x401C
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#define WM831X_INTERRUPT_STATUS_5_MASK 0x401D
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#define WM831X_RTC_WRITE_COUNTER 0x4020
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#define WM831X_RTC_TIME_1 0x4021
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#define WM831X_RTC_TIME_2 0x4022
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#define WM831X_RTC_ALARM_1 0x4023
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#define WM831X_RTC_ALARM_2 0x4024
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#define WM831X_RTC_CONTROL 0x4025
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#define WM831X_RTC_TRIM 0x4026
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#define WM831X_TOUCH_CONTROL_1 0x4028
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#define WM831X_TOUCH_CONTROL_2 0x4029
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#define WM831X_TOUCH_DATA_X 0x402A
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#define WM831X_TOUCH_DATA_Y 0x402B
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#define WM831X_TOUCH_DATA_Z 0x402C
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#define WM831X_AUXADC_DATA 0x402D
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#define WM831X_AUXADC_CONTROL 0x402E
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#define WM831X_AUXADC_SOURCE 0x402F
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#define WM831X_COMPARATOR_CONTROL 0x4030
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#define WM831X_COMPARATOR_1 0x4031
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#define WM831X_COMPARATOR_2 0x4032
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#define WM831X_COMPARATOR_3 0x4033
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#define WM831X_COMPARATOR_4 0x4034
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#define WM831X_GPIO1_CONTROL 0x4038
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#define WM831X_GPIO2_CONTROL 0x4039
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#define WM831X_GPIO3_CONTROL 0x403A
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#define WM831X_GPIO4_CONTROL 0x403B
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#define WM831X_GPIO5_CONTROL 0x403C
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#define WM831X_GPIO6_CONTROL 0x403D
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#define WM831X_GPIO7_CONTROL 0x403E
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#define WM831X_GPIO8_CONTROL 0x403F
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#define WM831X_GPIO9_CONTROL 0x4040
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#define WM831X_GPIO10_CONTROL 0x4041
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#define WM831X_GPIO11_CONTROL 0x4042
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#define WM831X_GPIO12_CONTROL 0x4043
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#define WM831X_GPIO13_CONTROL 0x4044
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#define WM831X_GPIO14_CONTROL 0x4045
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#define WM831X_GPIO15_CONTROL 0x4046
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#define WM831X_GPIO16_CONTROL 0x4047
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#define WM831X_CHARGER_CONTROL_1 0x4048
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#define WM831X_CHARGER_CONTROL_2 0x4049
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#define WM831X_CHARGER_STATUS 0x404A
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#define WM831X_BACKUP_CHARGER_CONTROL 0x404B
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#define WM831X_STATUS_LED_1 0x404C
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#define WM831X_STATUS_LED_2 0x404D
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#define WM831X_CURRENT_SINK_1 0x404E
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#define WM831X_CURRENT_SINK_2 0x404F
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#define WM831X_DCDC_ENABLE 0x4050
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#define WM831X_LDO_ENABLE 0x4051
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#define WM831X_DCDC_STATUS 0x4052
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#define WM831X_LDO_STATUS 0x4053
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#define WM831X_DCDC_UV_STATUS 0x4054
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#define WM831X_LDO_UV_STATUS 0x4055
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#define WM831X_DC1_CONTROL_1 0x4056
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#define WM831X_DC1_CONTROL_2 0x4057
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#define WM831X_DC1_ON_CONFIG 0x4058
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#define WM831X_DC1_SLEEP_CONTROL 0x4059
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#define WM831X_DC1_DVS_CONTROL 0x405A
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#define WM831X_DC2_CONTROL_1 0x405B
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#define WM831X_DC2_CONTROL_2 0x405C
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#define WM831X_DC2_ON_CONFIG 0x405D
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#define WM831X_DC2_SLEEP_CONTROL 0x405E
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#define WM831X_DC2_DVS_CONTROL 0x405F
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#define WM831X_DC3_CONTROL_1 0x4060
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#define WM831X_DC3_CONTROL_2 0x4061
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#define WM831X_DC3_ON_CONFIG 0x4062
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#define WM831X_DC3_SLEEP_CONTROL 0x4063
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#define WM831X_DC4_CONTROL 0x4064
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#define WM831X_DC4_SLEEP_CONTROL 0x4065
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#define WM831X_EPE1_CONTROL 0x4066
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#define WM831X_EPE2_CONTROL 0x4067
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#define WM831X_LDO1_CONTROL 0x4068
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#define WM831X_LDO1_ON_CONTROL 0x4069
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#define WM831X_LDO1_SLEEP_CONTROL 0x406A
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#define WM831X_LDO2_CONTROL 0x406B
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#define WM831X_LDO2_ON_CONTROL 0x406C
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#define WM831X_LDO2_SLEEP_CONTROL 0x406D
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#define WM831X_LDO3_CONTROL 0x406E
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#define WM831X_LDO3_ON_CONTROL 0x406F
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#define WM831X_LDO3_SLEEP_CONTROL 0x4070
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#define WM831X_LDO4_CONTROL 0x4071
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#define WM831X_LDO4_ON_CONTROL 0x4072
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#define WM831X_LDO4_SLEEP_CONTROL 0x4073
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#define WM831X_LDO5_CONTROL 0x4074
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#define WM831X_LDO5_ON_CONTROL 0x4075
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#define WM831X_LDO5_SLEEP_CONTROL 0x4076
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#define WM831X_LDO6_CONTROL 0x4077
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#define WM831X_LDO6_ON_CONTROL 0x4078
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#define WM831X_LDO6_SLEEP_CONTROL 0x4079
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#define WM831X_LDO7_CONTROL 0x407A
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#define WM831X_LDO7_ON_CONTROL 0x407B
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#define WM831X_LDO7_SLEEP_CONTROL 0x407C
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#define WM831X_LDO8_CONTROL 0x407D
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#define WM831X_LDO8_ON_CONTROL 0x407E
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#define WM831X_LDO8_SLEEP_CONTROL 0x407F
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#define WM831X_LDO9_CONTROL 0x4080
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#define WM831X_LDO9_ON_CONTROL 0x4081
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#define WM831X_LDO9_SLEEP_CONTROL 0x4082
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#define WM831X_LDO10_CONTROL 0x4083
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#define WM831X_LDO10_ON_CONTROL 0x4084
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#define WM831X_LDO10_SLEEP_CONTROL 0x4085
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#define WM831X_LDO11_ON_CONTROL 0x4087
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#define WM831X_LDO11_SLEEP_CONTROL 0x4088
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#define WM831X_POWER_GOOD_SOURCE_1 0x408E
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#define WM831X_POWER_GOOD_SOURCE_2 0x408F
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#define WM831X_CLOCK_CONTROL_1 0x4090
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#define WM831X_CLOCK_CONTROL_2 0x4091
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#define WM831X_FLL_CONTROL_1 0x4092
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#define WM831X_FLL_CONTROL_2 0x4093
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#define WM831X_FLL_CONTROL_3 0x4094
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#define WM831X_FLL_CONTROL_4 0x4095
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#define WM831X_FLL_CONTROL_5 0x4096
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#define WM831X_UNIQUE_ID_1 0x7800
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#define WM831X_UNIQUE_ID_2 0x7801
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#define WM831X_UNIQUE_ID_3 0x7802
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#define WM831X_UNIQUE_ID_4 0x7803
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#define WM831X_UNIQUE_ID_5 0x7804
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#define WM831X_UNIQUE_ID_6 0x7805
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#define WM831X_UNIQUE_ID_7 0x7806
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#define WM831X_UNIQUE_ID_8 0x7807
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#define WM831X_FACTORY_OTP_ID 0x7808
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#define WM831X_FACTORY_OTP_1 0x7809
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#define WM831X_FACTORY_OTP_2 0x780A
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#define WM831X_FACTORY_OTP_3 0x780B
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#define WM831X_FACTORY_OTP_4 0x780C
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#define WM831X_FACTORY_OTP_5 0x780D
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#define WM831X_CUSTOMER_OTP_ID 0x7810
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#define WM831X_DC1_OTP_CONTROL 0x7811
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#define WM831X_DC2_OTP_CONTROL 0x7812
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#define WM831X_DC3_OTP_CONTROL 0x7813
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#define WM831X_LDO1_2_OTP_CONTROL 0x7814
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#define WM831X_LDO3_4_OTP_CONTROL 0x7815
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#define WM831X_LDO5_6_OTP_CONTROL 0x7816
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#define WM831X_LDO7_8_OTP_CONTROL 0x7817
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#define WM831X_LDO9_10_OTP_CONTROL 0x7818
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#define WM831X_LDO11_EPE_CONTROL 0x7819
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#define WM831X_GPIO1_OTP_CONTROL 0x781A
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#define WM831X_GPIO2_OTP_CONTROL 0x781B
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#define WM831X_GPIO3_OTP_CONTROL 0x781C
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#define WM831X_GPIO4_OTP_CONTROL 0x781D
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#define WM831X_GPIO5_OTP_CONTROL 0x781E
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#define WM831X_GPIO6_OTP_CONTROL 0x781F
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#define WM831X_DBE_CHECK_DATA 0x7827
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/*
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* R0 (0x00) - Reset ID
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*/
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#define WM831X_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */
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#define WM831X_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */
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#define WM831X_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */
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/*
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* R1 (0x01) - Revision
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*/
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#define WM831X_PARENT_REV_MASK 0xFF00 /* PARENT_REV - [15:8] */
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#define WM831X_PARENT_REV_SHIFT 8 /* PARENT_REV - [15:8] */
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#define WM831X_PARENT_REV_WIDTH 8 /* PARENT_REV - [15:8] */
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#define WM831X_CHILD_REV_MASK 0x00FF /* CHILD_REV - [7:0] */
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#define WM831X_CHILD_REV_SHIFT 0 /* CHILD_REV - [7:0] */
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#define WM831X_CHILD_REV_WIDTH 8 /* CHILD_REV - [7:0] */
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/*
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* R16384 (0x4000) - Parent ID
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*/
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#define WM831X_PARENT_ID_MASK 0xFFFF /* PARENT_ID - [15:0] */
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#define WM831X_PARENT_ID_SHIFT 0 /* PARENT_ID - [15:0] */
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#define WM831X_PARENT_ID_WIDTH 16 /* PARENT_ID - [15:0] */
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2009-09-15 04:07:12 -06:00
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/*
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* R16389 (0x4005) - ON Pin Control
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*/
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#define WM831X_ON_PIN_SECACT_MASK 0x0300 /* ON_PIN_SECACT - [9:8] */
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#define WM831X_ON_PIN_SECACT_SHIFT 8 /* ON_PIN_SECACT - [9:8] */
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#define WM831X_ON_PIN_SECACT_WIDTH 2 /* ON_PIN_SECACT - [9:8] */
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#define WM831X_ON_PIN_PRIMACT_MASK 0x0030 /* ON_PIN_PRIMACT - [5:4] */
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#define WM831X_ON_PIN_PRIMACT_SHIFT 4 /* ON_PIN_PRIMACT - [5:4] */
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#define WM831X_ON_PIN_PRIMACT_WIDTH 2 /* ON_PIN_PRIMACT - [5:4] */
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#define WM831X_ON_PIN_STS 0x0008 /* ON_PIN_STS */
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#define WM831X_ON_PIN_STS_MASK 0x0008 /* ON_PIN_STS */
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#define WM831X_ON_PIN_STS_SHIFT 3 /* ON_PIN_STS */
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#define WM831X_ON_PIN_STS_WIDTH 1 /* ON_PIN_STS */
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#define WM831X_ON_PIN_TO_MASK 0x0003 /* ON_PIN_TO - [1:0] */
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#define WM831X_ON_PIN_TO_SHIFT 0 /* ON_PIN_TO - [1:0] */
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#define WM831X_ON_PIN_TO_WIDTH 2 /* ON_PIN_TO - [1:0] */
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struct regulator_dev;
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2009-07-27 07:45:52 -06:00
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struct wm831x {
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struct mutex io_lock;
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struct device *dev;
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int (*read_dev)(struct wm831x *wm831x, unsigned short reg,
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int bytes, void *dest);
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int (*write_dev)(struct wm831x *wm831x, unsigned short reg,
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int bytes, void *src);
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void *control_data;
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2009-07-27 07:45:53 -06:00
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int irq; /* Our chip IRQ */
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struct mutex irq_lock;
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struct workqueue_struct *irq_wq;
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struct work_struct irq_work;
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unsigned int irq_base;
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int irq_masks[5];
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2009-07-27 07:45:54 -06:00
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struct mutex auxadc_lock;
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2009-07-27 07:45:52 -06:00
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/* The WM831x has a security key blocking access to certain
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* registers. The mutex is taken by the accessors for locking
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* and unlocking the security key, locked is used to fail
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* writes if the lock is held.
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*/
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struct mutex key_lock;
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unsigned int locked:1;
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};
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/* Device I/O API */
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int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg);
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int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
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unsigned short val);
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void wm831x_reg_lock(struct wm831x *wm831x);
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int wm831x_reg_unlock(struct wm831x *wm831x);
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int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
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unsigned short mask, unsigned short val);
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int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
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int count, u16 *buf);
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2009-07-27 07:45:53 -06:00
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int wm831x_irq_init(struct wm831x *wm831x, int irq);
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void wm831x_irq_exit(struct wm831x *wm831x);
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int __must_check wm831x_request_irq(struct wm831x *wm831x,
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unsigned int irq, irq_handler_t handler,
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unsigned long flags, const char *name,
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void *dev);
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void wm831x_free_irq(struct wm831x *wm831x, unsigned int, void *);
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void wm831x_disable_irq(struct wm831x *wm831x, int irq);
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void wm831x_enable_irq(struct wm831x *wm831x, int irq);
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2009-07-27 07:45:52 -06:00
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#endif
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