intel_gmbus.c File Reference

#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <drm/drmP.h>
#include "psb_intel_drv.h"
#include <drm/gma_drm.h>
#include "psb_drv.h"
#include "psb_intel_reg.h"

Go to the source code of this file.

Data Structures
struct	intel_gpio

Macros
#define	_wait_for(COND, MS, W)
#define	wait_for(COND, MS)   _wait_for(COND, MS, 1)
#define	wait_for_atomic(COND, MS)   _wait_for(COND, MS, 0)
#define	I2C_RISEFALL_TIME   20

Functions
void	gma_intel_i2c_reset (struct drm_device *dev)
int	gma_intel_setup_gmbus (struct drm_device *dev)
void	gma_intel_gmbus_set_speed (struct i2c_adapter *adapter, int speed)
void	gma_intel_gmbus_force_bit (struct i2c_adapter *adapter, bool force_bit)
void	gma_intel_teardown_gmbus (struct drm_device *dev)

Variables
struct intel_gpio	__attribute__

Macro Definition Documentation

#define _wait_for	(		COND,
			MS,
			W
	)

Value:

({ \
    unsigned long timeout__ = jiffies + msecs_to_jiffies(MS);   \
    int ret__ = 0;                          \
    while (! (COND)) {                      \
        if (time_after(jiffies, timeout__)) {           \
            ret__ = -ETIMEDOUT;             \
            break;                      \
        }                           \
        if (W && !(in_atomic() || in_dbg_master())) msleep(W);  \
    }                               \
    ret__;                              \
})

Definition at line 38 of file intel_gmbus.c.

#define I2C_RISEFALL_TIME   20

Definition at line 56 of file intel_gmbus.c.

#define wait_for	(		COND,
			MS
	)		_wait_for(COND, MS, 1)

Definition at line 51 of file intel_gmbus.c.

#define wait_for_atomic	(		COND,
			MS
	)		_wait_for(COND, MS, 0)

Definition at line 52 of file intel_gmbus.c.

Function Documentation

void gma_intel_gmbus_force_bit	(	struct i2c_adapter *	adapter,
		bool	force_bit
	)

Definition at line 454 of file intel_gmbus.c.

void gma_intel_gmbus_set_speed	(	struct i2c_adapter *	adapter,
		int	speed
	)

Definition at line 441 of file intel_gmbus.c.

void gma_intel_i2c_reset

(

struct drm_device *

dev

)

Definition at line 72 of file intel_gmbus.c.

int gma_intel_setup_gmbus

(

struct drm_device *

dev

)

intel_gmbus_setup - instantiate all Intel i2c GMBuses : DRM device

Definition at line 382 of file intel_gmbus.c.

void gma_intel_teardown_gmbus

(

struct drm_device *

dev

)

Definition at line 473 of file intel_gmbus.c.

Variable Documentation

struct intel_gpio __attribute__