/* * include/linux/mfd/wm831x/core.h -- Core interface for WM831x * * Copyright 2009 Wolfson Microelectronics PLC. * * Author: Mark Brown * * 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 #include /* * 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 #define WM831X_NUM_GPIO_REGS 16 enum wm831x_parent { WM8310 = 0x8310, WM8311 = 0x8311, WM8312 = 0x8312, WM8320 = 0x8320, WM8321 = 0x8321, WM8325 = 0x8325, WM8326 = 0x8326, }; 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; 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; /* Used by the interrupt controller code to post writes */ int gpio_update[WM831X_NUM_GPIO_REGS]; 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_device_init(struct wm831x *wm831x, unsigned long id, int irq); void wm831x_device_exit(struct wm831x *wm831x); int wm831x_device_suspend(struct wm831x *wm831x); int wm831x_irq_init(struct wm831x *wm831x, int irq); void wm831x_irq_exit(struct wm831x *wm831x); #endif