saa1064.h

Philips芯片saa1064驱动.saa1064是I2C接口控制的LED控制芯片,一般做为前面板的控制芯片

#ifndef __SAA1064_H__
#define __SAA1064_H__


/*****************************************************************************/
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/*****************************************************************************/
/**
    @file   saa1064.h
    @brief  Proprietary kernel module used to control the front panel LED display.

    @b  Module:  saa1064 driver.

*//*

Rev Date        Author      Comments
--------------------------------------------------------------------------------
  1 20061123    neill       Original
  2 20061124    neill       Changes after crosscheck
  3 20080207    batelaan    Update file copyright/license text
--------------------------------------------------------------------------------
    For consistency and standardisation retain the Section Separators.
*/
#include <linux/ioctl.h>
#include <linux/types.h>

#if defined(__cplusplus)
extern "C" {
#endif

//  ****************************************************************************
//  *                                                                          *
//  *                           M O D U L E    S E C T I O N                   *
//  *                                                                          *
//  ****************************************************************************
//  ----------------------- MODULE Definition   --------------------------------
#define SAA1064_MODULE_DESCRIPTION   "SAA1064 LED driver"

//------------------------------------------------------------------------------
//                              I O C T L ' s  data structures
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
//                              I O C T L ' s  definition
//------------------------------------------------------------------------------

/** The base of SAA1064 ioctls. */
#define SAA1064_IOCTL_BASE 0x64

/** Enable / disable scrolling - takes int as an argument.
    0 means scrolling off, 1 means scrolling on. */
#define SAA1064_IOCTL_SET_SCROLLING_ENABLE _IOW(SAA1064_IOCTL_BASE, 0, int)

/** Get the scrolling mode - takes &int as an argument.
    0 means scrolling off, 1 means scrolling on. */
#define SAA1064_IOCTL_GET_SCROLLING_ENABLE _IOR(SAA1064_IOCTL_BASE, 1, int *)

/** Set the scrolling direction - takes int as an argument.
    0 means scrolling backwards (left to right),
    1 means scrolling forwards (right to left). */
#define SAA1064_IOCTL_SET_SCROLLING_DIRECTION _IOW(SAA1064_IOCTL_BASE, 2, int)

/** Get the scrolling direction - takes &int as an argument.
    0 means scrolling backwards (left to right),
    1 means scrolling forwards (right to left). */
#define SAA1064_IOCTL_GET_SCROLLING_DIRECTION _IOR(SAA1064_IOCTL_BASE, 3, int *)

/** Set the scrolling delay - takes int as an argument.
    Delay between each update to the display in  milliseconds. */
#define SAA1064_IOCTL_SET_SCROLLING_DELAY _IOW(SAA1064_IOCTL_BASE, 4, int)

/** Get the scrolling delay - takes &int as an argument.
    Delay between each update to the display in  milliseconds. */
#define SAA1064_IOCTL_GET_SCROLLING_DELAY _IOR(SAA1064_IOCTL_BASE, 5, int *)

/** Set the display brightness - takes int as an argument.
    0 = off 7 = brightest. */
#define SAA1064_IOCTL_SET_DISPLAY_BRIGHTNESS _IOW(SAA1064_IOCTL_BASE, 6, int)

/** Get the display brightness - takes &int as an argument.
    0 = off 7 = brightest. */
#define SAA1064_IOCTL_GET_DISPLAY_BRIGHTNESS _IOR(SAA1064_IOCTL_BASE, 7, int *)

//  ****************************************************************************
//  *                                                                          *
//  *                       P U B L I C    O B J E C T S                       *
//  *                                                                          *
//  ****************************************************************************

#if defined(__cplusplus)
}
#endif
#endif /* __SAA1064_H__ */