| /* |
| * include/linux/mfd/wm831x/core.h -- Core interface for WM831x |
| * |
| * Copyright 2009 Wolfson Microelectronics PLC. |
| * |
| * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| */ |
| |
| #ifndef __MFD_WM831X_CORE_H__ |
| #define __MFD_WM831X_CORE_H__ |
| |
| #include <linux/completion.h> |
| #include <linux/interrupt.h> |
| |
| /* |
| * Register values. |
| */ |
| #define WM831X_RESET_ID 0x00 |
| #define WM831X_REVISION 0x01 |
| #define WM831X_PARENT_ID 0x4000 |
| #define WM831X_SYSVDD_CONTROL 0x4001 |
| #define WM831X_THERMAL_MONITORING 0x4002 |
| #define WM831X_POWER_STATE 0x4003 |
| #define WM831X_WATCHDOG 0x4004 |
| #define WM831X_ON_PIN_CONTROL 0x4005 |
| #define WM831X_RESET_CONTROL 0x4006 |
| #define WM831X_CONTROL_INTERFACE 0x4007 |
| #define WM831X_SECURITY_KEY 0x4008 |
| #define WM831X_SOFTWARE_SCRATCH 0x4009 |
| #define WM831X_OTP_CONTROL 0x400A |
| #define WM831X_GPIO_LEVEL 0x400C |
| #define WM831X_SYSTEM_STATUS 0x400D |
| #define WM831X_ON_SOURCE 0x400E |
| #define WM831X_OFF_SOURCE 0x400F |
| #define WM831X_SYSTEM_INTERRUPTS 0x4010 |
| #define WM831X_INTERRUPT_STATUS_1 0x4011 |
| #define WM831X_INTERRUPT_STATUS_2 0x4012 |
| #define WM831X_INTERRUPT_STATUS_3 0x4013 |
| #define WM831X_INTERRUPT_STATUS_4 0x4014 |
| #define WM831X_INTERRUPT_STATUS_5 0x4015 |
| #define WM831X_IRQ_CONFIG 0x4017 |
| #define WM831X_SYSTEM_INTERRUPTS_MASK 0x4018 |
| #define WM831X_INTERRUPT_STATUS_1_MASK 0x4019 |
| #define WM831X_INTERRUPT_STATUS_2_MASK 0x401A |
| #define WM831X_INTERRUPT_STATUS_3_MASK 0x401B |
| #define WM831X_INTERRUPT_STATUS_4_MASK 0x401C |
| #define WM831X_INTERRUPT_STATUS_5_MASK 0x401D |
| #define WM831X_RTC_WRITE_COUNTER 0x4020 |
| #define WM831X_RTC_TIME_1 0x4021 |
| #define WM831X_RTC_TIME_2 0x4022 |
| #define WM831X_RTC_ALARM_1 0x4023 |
| #define WM831X_RTC_ALARM_2 0x4024 |
| #define WM831X_RTC_CONTROL 0x4025 |
| #define WM831X_RTC_TRIM 0x4026 |
| #define WM831X_TOUCH_CONTROL_1 0x4028 |
| #define WM831X_TOUCH_CONTROL_2 0x4029 |
| #define WM831X_TOUCH_DATA_X 0x402A |
| #define WM831X_TOUCH_DATA_Y 0x402B |
| #define WM831X_TOUCH_DATA_Z 0x402C |
| #define WM831X_AUXADC_DATA 0x402D |
| #define WM831X_AUXADC_CONTROL 0x402E |
| #define WM831X_AUXADC_SOURCE 0x402F |
| #define WM831X_COMPARATOR_CONTROL 0x4030 |
| #define WM831X_COMPARATOR_1 0x4031 |
| #define WM831X_COMPARATOR_2 0x4032 |
| #define WM831X_COMPARATOR_3 0x4033 |
| #define WM831X_COMPARATOR_4 0x4034 |
| #define WM831X_GPIO1_CONTROL 0x4038 |
| #define WM831X_GPIO2_CONTROL 0x4039 |
| #define WM831X_GPIO3_CONTROL 0x403A |
| #define WM831X_GPIO4_CONTROL 0x403B |
| #define WM831X_GPIO5_CONTROL 0x403C |
| #define WM831X_GPIO6_CONTROL 0x403D |
| #define WM831X_GPIO7_CONTROL 0x403E |
| #define WM831X_GPIO8_CONTROL 0x403F |
| #define WM831X_GPIO9_CONTROL 0x4040 |
| #define WM831X_GPIO10_CONTROL 0x4041 |
| #define WM831X_GPIO11_CONTROL 0x4042 |
| #define WM831X_GPIO12_CONTROL 0x4043 |
| #define WM831X_GPIO13_CONTROL 0x4044 |
| #define WM831X_GPIO14_CONTROL 0x4045 |
| #define WM831X_GPIO15_CONTROL 0x4046 |
| #define WM831X_GPIO16_CONTROL 0x4047 |
| #define WM831X_CHARGER_CONTROL_1 0x4048 |
| #define WM831X_CHARGER_CONTROL_2 0x4049 |
| #define WM831X_CHARGER_STATUS 0x404A |
| #define WM831X_BACKUP_CHARGER_CONTROL 0x404B |
| #define WM831X_STATUS_LED_1 0x404C |
| #define WM831X_STATUS_LED_2 0x404D |
| #define WM831X_CURRENT_SINK_1 0x404E |
| #define WM831X_CURRENT_SINK_2 0x404F |
| #define WM831X_DCDC_ENABLE 0x4050 |
| #define WM831X_LDO_ENABLE 0x4051 |
| #define WM831X_DCDC_STATUS 0x4052 |
| #define WM831X_LDO_STATUS 0x4053 |
| #define WM831X_DCDC_UV_STATUS 0x4054 |
| #define WM831X_LDO_UV_STATUS 0x4055 |
| #define WM831X_DC1_CONTROL_1 0x4056 |
| #define WM831X_DC1_CONTROL_2 0x4057 |
| #define WM831X_DC1_ON_CONFIG 0x4058 |
| #define WM831X_DC1_SLEEP_CONTROL 0x4059 |
| #define WM831X_DC1_DVS_CONTROL 0x405A |
| #define WM831X_DC2_CONTROL_1 0x405B |
| #define WM831X_DC2_CONTROL_2 0x405C |
| #define WM831X_DC2_ON_CONFIG 0x405D |
| #define WM831X_DC2_SLEEP_CONTROL 0x405E |
| #define WM831X_DC2_DVS_CONTROL 0x405F |
| #define WM831X_DC3_CONTROL_1 0x4060 |
| #define WM831X_DC3_CONTROL_2 0x4061 |
| #define WM831X_DC3_ON_CONFIG 0x4062 |
| #define WM831X_DC3_SLEEP_CONTROL 0x4063 |
| #define WM831X_DC4_CONTROL 0x4064 |
| #define WM831X_DC4_SLEEP_CONTROL 0x4065 |
| #define WM832X_DC4_SLEEP_CONTROL 0x4067 |
| #define WM831X_EPE1_CONTROL 0x4066 |
| #define WM831X_EPE2_CONTROL 0x4067 |
| #define WM831X_LDO1_CONTROL 0x4068 |
| #define WM831X_LDO1_ON_CONTROL 0x4069 |
| #define WM831X_LDO1_SLEEP_CONTROL 0x406A |
| #define WM831X_LDO2_CONTROL 0x406B |
| #define WM831X_LDO2_ON_CONTROL 0x406C |
| #define WM831X_LDO2_SLEEP_CONTROL 0x406D |
| #define WM831X_LDO3_CONTROL 0x406E |
| #define WM831X_LDO3_ON_CONTROL 0x406F |
| #define WM831X_LDO3_SLEEP_CONTROL 0x4070 |
| #define WM831X_LDO4_CONTROL 0x4071 |
| #define WM831X_LDO4_ON_CONTROL 0x4072 |
| #define WM831X_LDO4_SLEEP_CONTROL 0x4073 |
| #define WM831X_LDO5_CONTROL 0x4074 |
| #define WM831X_LDO5_ON_CONTROL 0x4075 |
| #define WM831X_LDO5_SLEEP_CONTROL 0x4076 |
| #define WM831X_LDO6_CONTROL 0x4077 |
| #define WM831X_LDO6_ON_CONTROL 0x4078 |
| #define WM831X_LDO6_SLEEP_CONTROL 0x4079 |
| #define WM831X_LDO7_CONTROL 0x407A |
| #define WM831X_LDO7_ON_CONTROL 0x407B |
| #define WM831X_LDO7_SLEEP_CONTROL 0x407C |
| #define WM831X_LDO8_CONTROL 0x407D |
| #define WM831X_LDO8_ON_CONTROL 0x407E |
| #define WM831X_LDO8_SLEEP_CONTROL 0x407F |
| #define WM831X_LDO9_CONTROL 0x4080 |
| #define WM831X_LDO9_ON_CONTROL 0x4081 |
| #define WM831X_LDO9_SLEEP_CONTROL 0x4082 |
| #define WM831X_LDO10_CONTROL 0x4083 |
| #define WM831X_LDO10_ON_CONTROL 0x4084 |
| #define WM831X_LDO10_SLEEP_CONTROL 0x4085 |
| #define WM831X_LDO11_ON_CONTROL 0x4087 |
| #define WM831X_LDO11_SLEEP_CONTROL 0x4088 |
| #define WM831X_POWER_GOOD_SOURCE_1 0x408E |
| #define WM831X_POWER_GOOD_SOURCE_2 0x408F |
| #define WM831X_CLOCK_CONTROL_1 0x4090 |
| #define WM831X_CLOCK_CONTROL_2 0x4091 |
| #define WM831X_FLL_CONTROL_1 0x4092 |
| #define WM831X_FLL_CONTROL_2 0x4093 |
| #define WM831X_FLL_CONTROL_3 0x4094 |
| #define WM831X_FLL_CONTROL_4 0x4095 |
| #define WM831X_FLL_CONTROL_5 0x4096 |
| #define WM831X_UNIQUE_ID_1 0x7800 |
| #define WM831X_UNIQUE_ID_2 0x7801 |
| #define WM831X_UNIQUE_ID_3 0x7802 |
| #define WM831X_UNIQUE_ID_4 0x7803 |
| #define WM831X_UNIQUE_ID_5 0x7804 |
| #define WM831X_UNIQUE_ID_6 0x7805 |
| #define WM831X_UNIQUE_ID_7 0x7806 |
| #define WM831X_UNIQUE_ID_8 0x7807 |
| #define WM831X_FACTORY_OTP_ID 0x7808 |
| #define WM831X_FACTORY_OTP_1 0x7809 |
| #define WM831X_FACTORY_OTP_2 0x780A |
| #define WM831X_FACTORY_OTP_3 0x780B |
| #define WM831X_FACTORY_OTP_4 0x780C |
| #define WM831X_FACTORY_OTP_5 0x780D |
| #define WM831X_CUSTOMER_OTP_ID 0x7810 |
| #define WM831X_DC1_OTP_CONTROL 0x7811 |
| #define WM831X_DC2_OTP_CONTROL 0x7812 |
| #define WM831X_DC3_OTP_CONTROL 0x7813 |
| #define WM831X_LDO1_2_OTP_CONTROL 0x7814 |
| #define WM831X_LDO3_4_OTP_CONTROL 0x7815 |
| #define WM831X_LDO5_6_OTP_CONTROL 0x7816 |
| #define WM831X_LDO7_8_OTP_CONTROL 0x7817 |
| #define WM831X_LDO9_10_OTP_CONTROL 0x7818 |
| #define WM831X_LDO11_EPE_CONTROL 0x7819 |
| #define WM831X_GPIO1_OTP_CONTROL 0x781A |
| #define WM831X_GPIO2_OTP_CONTROL 0x781B |
| #define WM831X_GPIO3_OTP_CONTROL 0x781C |
| #define WM831X_GPIO4_OTP_CONTROL 0x781D |
| #define WM831X_GPIO5_OTP_CONTROL 0x781E |
| #define WM831X_GPIO6_OTP_CONTROL 0x781F |
| #define WM831X_DBE_CHECK_DATA 0x7827 |
| |
| /* |
| * R0 (0x00) - Reset ID |
| */ |
| #define WM831X_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */ |
| #define WM831X_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */ |
| #define WM831X_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */ |
| |
| /* |
| * R1 (0x01) - Revision |
| */ |
| #define WM831X_PARENT_REV_MASK 0xFF00 /* PARENT_REV - [15:8] */ |
| #define WM831X_PARENT_REV_SHIFT 8 /* PARENT_REV - [15:8] */ |
| #define WM831X_PARENT_REV_WIDTH 8 /* PARENT_REV - [15:8] */ |
| #define WM831X_CHILD_REV_MASK 0x00FF /* CHILD_REV - [7:0] */ |
| #define WM831X_CHILD_REV_SHIFT 0 /* CHILD_REV - [7:0] */ |
| #define WM831X_CHILD_REV_WIDTH 8 /* CHILD_REV - [7:0] */ |
| |
| /* |
| * R16384 (0x4000) - Parent ID |
| */ |
| #define WM831X_PARENT_ID_MASK 0xFFFF /* PARENT_ID - [15:0] */ |
| #define WM831X_PARENT_ID_SHIFT 0 /* PARENT_ID - [15:0] */ |
| #define WM831X_PARENT_ID_WIDTH 16 /* PARENT_ID - [15:0] */ |
| |
| /* |
| * R16389 (0x4005) - ON Pin Control |
| */ |
| #define WM831X_ON_PIN_SECACT_MASK 0x0300 /* ON_PIN_SECACT - [9:8] */ |
| #define WM831X_ON_PIN_SECACT_SHIFT 8 /* ON_PIN_SECACT - [9:8] */ |
| #define WM831X_ON_PIN_SECACT_WIDTH 2 /* ON_PIN_SECACT - [9:8] */ |
| #define WM831X_ON_PIN_PRIMACT_MASK 0x0030 /* ON_PIN_PRIMACT - [5:4] */ |
| #define WM831X_ON_PIN_PRIMACT_SHIFT 4 /* ON_PIN_PRIMACT - [5:4] */ |
| #define WM831X_ON_PIN_PRIMACT_WIDTH 2 /* ON_PIN_PRIMACT - [5:4] */ |
| #define WM831X_ON_PIN_STS 0x0008 /* ON_PIN_STS */ |
| #define WM831X_ON_PIN_STS_MASK 0x0008 /* ON_PIN_STS */ |
| #define WM831X_ON_PIN_STS_SHIFT 3 /* ON_PIN_STS */ |
| #define WM831X_ON_PIN_STS_WIDTH 1 /* ON_PIN_STS */ |
| #define WM831X_ON_PIN_TO_MASK 0x0003 /* ON_PIN_TO - [1:0] */ |
| #define WM831X_ON_PIN_TO_SHIFT 0 /* ON_PIN_TO - [1:0] */ |
| #define WM831X_ON_PIN_TO_WIDTH 2 /* ON_PIN_TO - [1:0] */ |
| |
| struct regulator_dev; |
| |
| #define WM831X_NUM_IRQ_REGS 5 |
| |
| struct wm831x { |
| struct mutex io_lock; |
| |
| struct device *dev; |
| int (*read_dev)(struct wm831x *wm831x, unsigned short reg, |
| int bytes, void *dest); |
| int (*write_dev)(struct wm831x *wm831x, unsigned short reg, |
| int bytes, void *src); |
| |
| void *control_data; |
| |
| int irq; /* Our chip IRQ */ |
| struct mutex irq_lock; |
| unsigned int irq_base; |
| int irq_masks_cur[WM831X_NUM_IRQ_REGS]; /* Currently active value */ |
| int irq_masks_cache[WM831X_NUM_IRQ_REGS]; /* Cached hardware value */ |
| |
| /* Chip revision based flags */ |
| unsigned has_gpio_ena:1; /* Has GPIO enable bit */ |
| unsigned has_cs_sts:1; /* Has current sink status bit */ |
| unsigned charger_irq_wake:1; /* Are charger IRQs a wake source? */ |
| |
| int num_gpio; |
| |
| struct mutex auxadc_lock; |
| struct completion auxadc_done; |
| |
| /* The WM831x has a security key blocking access to certain |
| * registers. The mutex is taken by the accessors for locking |
| * and unlocking the security key, locked is used to fail |
| * writes if the lock is held. |
| */ |
| struct mutex key_lock; |
| unsigned int locked:1; |
| }; |
| |
| /* Device I/O API */ |
| int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg); |
| int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg, |
| unsigned short val); |
| void wm831x_reg_lock(struct wm831x *wm831x); |
| int wm831x_reg_unlock(struct wm831x *wm831x); |
| int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg, |
| unsigned short mask, unsigned short val); |
| int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg, |
| int count, u16 *buf); |
| |
| int wm831x_irq_init(struct wm831x *wm831x, int irq); |
| void wm831x_irq_exit(struct wm831x *wm831x); |
| |
| static inline int __must_check wm831x_request_irq(struct wm831x *wm831x, |
| unsigned int irq, |
| irq_handler_t handler, |
| unsigned long flags, |
| const char *name, |
| void *dev) |
| { |
| return request_threaded_irq(irq, NULL, handler, flags, name, dev); |
| } |
| |
| static inline void wm831x_free_irq(struct wm831x *wm831x, |
| unsigned int irq, void *dev) |
| { |
| free_irq(irq, dev); |
| } |
| |
| static inline void wm831x_disable_irq(struct wm831x *wm831x, int irq) |
| { |
| disable_irq(irq); |
| } |
| |
| static inline void wm831x_enable_irq(struct wm831x *wm831x, int irq) |
| { |
| enable_irq(irq); |
| } |
| |
| #endif |
