cregit-Linux how code gets into the kernel

Release 4.12 include/linux/mfd/wm831x/core.h

/*
 * 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>
#include <linux/irqdomain.h>
#include <linux/list.h>
#include <linux/regmap.h>
#include <linux/mfd/wm831x/auxadc.h>
#include <linux/mfd/wm831x/pdata.h>
#include <linux/of.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] */

/*
 * R16528 (0x4090) - Clock Control 1
 */

#define WM831X_CLKOUT_ENA                       0x8000  
/* CLKOUT_ENA */

#define WM831X_CLKOUT_ENA_MASK                  0x8000  
/* CLKOUT_ENA */

#define WM831X_CLKOUT_ENA_SHIFT                     15  
/* CLKOUT_ENA */

#define WM831X_CLKOUT_ENA_WIDTH                      1  
/* CLKOUT_ENA */

#define WM831X_CLKOUT_OD                        0x2000  
/* CLKOUT_OD */

#define WM831X_CLKOUT_OD_MASK                   0x2000  
/* CLKOUT_OD */

#define WM831X_CLKOUT_OD_SHIFT                      13  
/* CLKOUT_OD */

#define WM831X_CLKOUT_OD_WIDTH                       1  
/* CLKOUT_OD */

#define WM831X_CLKOUT_SLOT_MASK                 0x0700  
/* CLKOUT_SLOT - [10:8] */

#define WM831X_CLKOUT_SLOT_SHIFT                     8  
/* CLKOUT_SLOT - [10:8] */

#define WM831X_CLKOUT_SLOT_WIDTH                     3  
/* CLKOUT_SLOT - [10:8] */

#define WM831X_CLKOUT_SLPSLOT_MASK              0x0070  
/* CLKOUT_SLPSLOT - [6:4] */

#define WM831X_CLKOUT_SLPSLOT_SHIFT                  4  
/* CLKOUT_SLPSLOT - [6:4] */

#define WM831X_CLKOUT_SLPSLOT_WIDTH                  3  
/* CLKOUT_SLPSLOT - [6:4] */

#define WM831X_CLKOUT_SRC                       0x0001  
/* CLKOUT_SRC */

#define WM831X_CLKOUT_SRC_MASK                  0x0001  
/* CLKOUT_SRC */

#define WM831X_CLKOUT_SRC_SHIFT                      0  
/* CLKOUT_SRC */

#define WM831X_CLKOUT_SRC_WIDTH                      1  
/* CLKOUT_SRC */

/*
 * R16529 (0x4091) - Clock Control 2
 */

#define WM831X_XTAL_INH                         0x8000  
/* XTAL_INH */

#define WM831X_XTAL_INH_MASK                    0x8000  
/* XTAL_INH */

#define WM831X_XTAL_INH_SHIFT                       15  
/* XTAL_INH */

#define WM831X_XTAL_INH_WIDTH                        1  
/* XTAL_INH */

#define WM831X_XTAL_ENA                         0x2000  
/* XTAL_ENA */

#define WM831X_XTAL_ENA_MASK                    0x2000  
/* XTAL_ENA */

#define WM831X_XTAL_ENA_SHIFT                       13  
/* XTAL_ENA */

#define WM831X_XTAL_ENA_WIDTH                        1  
/* XTAL_ENA */

#define WM831X_XTAL_BKUPENA                     0x1000  
/* XTAL_BKUPENA */

#define WM831X_XTAL_BKUPENA_MASK                0x1000  
/* XTAL_BKUPENA */

#define WM831X_XTAL_BKUPENA_SHIFT                   12  
/* XTAL_BKUPENA */

#define WM831X_XTAL_BKUPENA_WIDTH                    1  
/* XTAL_BKUPENA */

#define WM831X_FLL_AUTO                         0x0080  
/* FLL_AUTO */

#define WM831X_FLL_AUTO_MASK                    0x0080  
/* FLL_AUTO */

#define WM831X_FLL_AUTO_SHIFT                        7  
/* FLL_AUTO */

#define WM831X_FLL_AUTO_WIDTH                        1  
/* FLL_AUTO */

#define WM831X_FLL_AUTO_FREQ_MASK               0x0007  
/* FLL_AUTO_FREQ - [2:0] */

#define WM831X_FLL_AUTO_FREQ_SHIFT                   0  
/* FLL_AUTO_FREQ - [2:0] */

#define WM831X_FLL_AUTO_FREQ_WIDTH                   3  
/* FLL_AUTO_FREQ - [2:0] */

/*
 * R16530 (0x4092) - FLL Control 1
 */

#define WM831X_FLL_FRAC                         0x0004  
/* FLL_FRAC */

#define WM831X_FLL_FRAC_MASK                    0x0004  
/* FLL_FRAC */

#define WM831X_FLL_FRAC_SHIFT                        2  
/* FLL_FRAC */

#define WM831X_FLL_FRAC_WIDTH                        1  
/* FLL_FRAC */

#define WM831X_FLL_OSC_ENA                      0x0002  
/* FLL_OSC_ENA */

#define WM831X_FLL_OSC_ENA_MASK                 0x0002  
/* FLL_OSC_ENA */

#define WM831X_FLL_OSC_ENA_SHIFT                     1  
/* FLL_OSC_ENA */

#define WM831X_FLL_OSC_ENA_WIDTH                     1  
/* FLL_OSC_ENA */

#define WM831X_FLL_ENA                          0x0001  
/* FLL_ENA */

#define WM831X_FLL_ENA_MASK                     0x0001  
/* FLL_ENA */

#define WM831X_FLL_ENA_SHIFT                         0  
/* FLL_ENA */

#define WM831X_FLL_ENA_WIDTH                         1  
/* FLL_ENA */

/*
 * R16531 (0x4093) - FLL Control 2
 */

#define WM831X_FLL_OUTDIV_MASK                  0x3F00  
/* FLL_OUTDIV - [13:8] */

#define WM831X_FLL_OUTDIV_SHIFT                      8  
/* FLL_OUTDIV - [13:8] */

#define WM831X_FLL_OUTDIV_WIDTH                      6  
/* FLL_OUTDIV - [13:8] */

#define WM831X_FLL_CTRL_RATE_MASK               0x0070  
/* FLL_CTRL_RATE - [6:4] */

#define WM831X_FLL_CTRL_RATE_SHIFT                   4  
/* FLL_CTRL_RATE - [6:4] */

#define WM831X_FLL_CTRL_RATE_WIDTH                   3  
/* FLL_CTRL_RATE - [6:4] */

#define WM831X_FLL_FRATIO_MASK                  0x0007  
/* FLL_FRATIO - [2:0] */

#define WM831X_FLL_FRATIO_SHIFT                      0  
/* FLL_FRATIO - [2:0] */

#define WM831X_FLL_FRATIO_WIDTH                      3  
/* FLL_FRATIO - [2:0] */

/*
 * R16532 (0x4094) - FLL Control 3
 */

#define WM831X_FLL_K_MASK                       0xFFFF  
/* FLL_K - [15:0] */

#define WM831X_FLL_K_SHIFT                           0  
/* FLL_K - [15:0] */

#define WM831X_FLL_K_WIDTH                          16  
/* FLL_K - [15:0] */

/*
 * R16533 (0x4095) - FLL Control 4
 */

#define WM831X_FLL_N_MASK                       0x7FE0  
/* FLL_N - [14:5] */

#define WM831X_FLL_N_SHIFT                           5  
/* FLL_N - [14:5] */

#define WM831X_FLL_N_WIDTH                          10  
/* FLL_N - [14:5] */

#define WM831X_FLL_GAIN_MASK                    0x000F  
/* FLL_GAIN - [3:0] */

#define WM831X_FLL_GAIN_SHIFT                        0  
/* FLL_GAIN - [3:0] */

#define WM831X_FLL_GAIN_WIDTH                        4  
/* FLL_GAIN - [3:0] */

/*
 * R16534 (0x4096) - FLL Control 5
 */

#define WM831X_FLL_CLK_REF_DIV_MASK             0x0018  
/* FLL_CLK_REF_DIV - [4:3] */

#define WM831X_FLL_CLK_REF_DIV_SHIFT                 3  
/* FLL_CLK_REF_DIV - [4:3] */

#define WM831X_FLL_CLK_REF_DIV_WIDTH                 2  
/* FLL_CLK_REF_DIV - [4:3] */

#define WM831X_FLL_CLK_SRC_MASK                 0x0003  
/* FLL_CLK_SRC - [1:0] */

#define WM831X_FLL_CLK_SRC_SHIFT                     0  
/* FLL_CLK_SRC - [1:0] */

#define WM831X_FLL_CLK_SRC_WIDTH                     2  
/* FLL_CLK_SRC - [1:0] */

struct regulator_dev;
struct irq_domain;


#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;


typedef int (*wm831x_auxadc_read_fn)(struct wm831x *wm831x,
				     enum wm831x_auxadc input);


struct wm831x {
	
struct mutex io_lock;

	
struct device *dev;

	
struct regmap *regmap;

	
struct wm831x_pdata pdata;
	
enum wm831x_parent type;

	
int irq;  /* Our chip IRQ */
	
struct mutex irq_lock;
	
struct irq_domain *irq_domain;
	
int irq_masks_cur[WM831X_NUM_IRQ_REGS];   /* Currently active value */
	
int irq_masks_cache[WM831X_NUM_IRQ_REGS]; /* Cached hardware value */

	
bool soft_shutdown;

	/* 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];
	
bool gpio_level_high[WM831X_NUM_GPIO_REGS];
	
bool gpio_level_low[WM831X_NUM_GPIO_REGS];

	
struct mutex auxadc_lock;
	
struct list_head auxadc_pending;
	
u16 auxadc_active;
	
wm831x_auxadc_read_fn auxadc_read;

	/* 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, int irq);
void wm831x_device_exit(struct wm831x *wm831x);
int wm831x_device_suspend(struct wm831x *wm831x);
void wm831x_device_shutdown(struct wm831x *wm831x);
int wm831x_irq_init(struct wm831x *wm831x, int irq);
void wm831x_irq_exit(struct wm831x *wm831x);
void wm831x_auxadc_init(struct wm831x *wm831x);


static inline int wm831x_irq(struct wm831x *wm831x, int irq) { return irq_create_mapping(wm831x->irq_domain, irq); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown25100.00%1100.00%
Total25100.00%1100.00%

extern struct regmap_config wm831x_regmap_config; extern const struct of_device_id wm831x_of_match[]; #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Mark Brown158398.69%2295.65%
Charles Keepax211.31%14.35%
Total1604100.00%23100.00%
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