wm831x-core.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/bcd.h>
#include <linux/delay.h>
#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/auxadc.h>
#include <linux/mfd/wm831x/otp.h>
#include <linux/mfd/wm831x/pmu.h>
#include <linux/mfd/wm831x/regulator.h>

Go to the source code of this file.

Functions
	EXPORT_SYMBOL_GPL (wm831x_isinkv_values)
void	wm831x_reg_lock (struct wm831x *wm831x)
	EXPORT_SYMBOL_GPL (wm831x_reg_lock)
int	wm831x_reg_unlock (struct wm831x *wm831x)
	EXPORT_SYMBOL_GPL (wm831x_reg_unlock)
int	wm831x_reg_read (struct wm831x *wm831x, unsigned short reg)
	EXPORT_SYMBOL_GPL (wm831x_reg_read)
int	wm831x_bulk_read (struct wm831x *wm831x, unsigned short reg, int count, u16 *buf)
	EXPORT_SYMBOL_GPL (wm831x_bulk_read)
int	wm831x_reg_write (struct wm831x *wm831x, unsigned short reg, unsigned short val)
	EXPORT_SYMBOL_GPL (wm831x_reg_write)
int	wm831x_set_bits (struct wm831x *wm831x, unsigned short reg, unsigned short mask, unsigned short val)
	EXPORT_SYMBOL_GPL (wm831x_set_bits)
	EXPORT_SYMBOL_GPL (wm831x_regmap_config)
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)
void	wm831x_device_shutdown (struct wm831x *wm831x)
	EXPORT_SYMBOL_GPL (wm831x_device_shutdown)
	MODULE_DESCRIPTION ("Core support for the WM831X AudioPlus PMIC")
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Mark Brown")

Variables
int	wm831x_isinkv_values [WM831X_ISINK_MAX_ISEL+1]
struct regmap_config	wm831x_regmap_config

Function Documentation

EXPORT_SYMBOL_GPL

(

wm831x_isinkv_values

)

EXPORT_SYMBOL_GPL

(

wm831x_reg_lock

)

EXPORT_SYMBOL_GPL

(

wm831x_reg_unlock

)

EXPORT_SYMBOL_GPL

(

wm831x_reg_read

)

EXPORT_SYMBOL_GPL

(

wm831x_bulk_read

)

EXPORT_SYMBOL_GPL

(

wm831x_reg_write

)

EXPORT_SYMBOL_GPL

(

wm831x_set_bits

)

EXPORT_SYMBOL_GPL

(

wm831x_regmap_config

)

EXPORT_SYMBOL_GPL

(

wm831x_device_shutdown

)

MODULE_AUTHOR

(

"Mark Brown"

)

MODULE_DESCRIPTION

(

"Core support for the WM831X AudioPlus PMIC"

)

MODULE_LICENSE

(

"GPL"

)

int wm831x_bulk_read	(	struct wm831x *	wm831x,
		unsigned short	reg,
		int	count,
		u16 *	buf
	)

wm831x_bulk_read: Read multiple WM831x registers

: Device to read from : First register : Number of registers : Buffer to fill.

Definition at line 539 of file wm831x-core.c.

void wm831x_device_exit

(

struct wm831x *

wm831x

)

Definition at line 1882 of file wm831x-core.c.

int wm831x_device_init	(	struct wm831x *	wm831x,
		unsigned long	id,
		int	irq
	)

Definition at line 1619 of file wm831x-core.c.

void wm831x_device_shutdown

(

struct wm831x *

wm831x

)

Definition at line 1926 of file wm831x-core.c.

int wm831x_device_suspend

(

struct wm831x *

wm831x

)

Definition at line 1890 of file wm831x-core.c.

void wm831x_reg_lock

(

struct wm831x *

wm831x

)

wm831x_reg_unlock: Unlock user keyed registers

The WM831x has a user key preventing writes to particularly critical registers. This function locks those registers, allowing writes to them.

Definition at line 120 of file wm831x-core.c.

int wm831x_reg_read	(	struct wm831x *	wm831x,
		unsigned short	reg
	)

wm831x_reg_read: Read a single WM831x register.

: Device to read from. : Register to read.

Definition at line 517 of file wm831x-core.c.

int wm831x_reg_unlock

(

struct wm831x *

wm831x

)

wm831x_reg_unlock: Unlock user keyed registers

The WM831x has a user key preventing writes to particularly critical registers. This function locks those registers, preventing spurious writes.

Definition at line 146 of file wm831x-core.c.

int wm831x_reg_write	(	struct wm831x *	wm831x,
		unsigned short	reg,
		unsigned short	val
	)

wm831x_reg_write: Write a single WM831x register.

: Device to write to. : Register to write to. : Value to write.

Definition at line 576 of file wm831x-core.c.

int wm831x_set_bits	(	struct wm831x *	wm831x,
		unsigned short	reg,
		unsigned short	mask,
		unsigned short	val
	)

wm831x_set_bits: Set the value of a bitfield in a WM831x register

: Device to write to. : Register to write to. : Mask of bits to set. : Value to set (unshifted)

Definition at line 599 of file wm831x-core.c.

Variable Documentation

int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL+1]

Definition at line 34 of file wm831x-core.c.

struct regmap_config wm831x_regmap_config

Initial value:

= {
    .reg_bits = 16,
    .val_bits = 16,

    .cache_type = REGCACHE_RBTREE,

    .max_register = WM831X_DBE_CHECK_DATA,
    .readable_reg = wm831x_reg_readable,
    .writeable_reg = wm831x_reg_writeable,
    .volatile_reg = wm831x_reg_volatile,
}

Definition at line 1603 of file wm831x-core.c.