/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Frame Buffer Device Driver for all Boards
*
* This file describes the Frame Buffer Device Driver for all boards.
*/
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __RTEMS_FRAMEBUFFER_h__
#define __RTEMS_FRAMEBUFFER_h__
#include <rtems/io.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* This macro defines the standard name for the frame buffer device
* that is available to applications.
*/
#define FRAMEBUFFER_DEVICE_NAME "/dev/fb"
/**
* @brief Standard device file path of first frame buffer device.
*
* This device is the default frame buffer device for the Microwindows Screen
* Driver.
*/
#define FRAMEBUFFER_DEVICE_0_NAME "/dev/fb0"
/**
* This macro defines the standard device driver table entry for
* a frame buffer device driver.
*/
#define FRAME_BUFFER_DRIVER_TABLE_ENTRY \
{ frame_buffer_initialize, frame_buffer_open, frame_buffer_close, \
frame_buffer_read, frame_buffer_write, frame_buffer_control }
/**
* @brief Frame Buffer Initialization Entry Point
*
* This method initializes the frame buffer device driver.
*
* @param[in] major is the device driver major number
* @param[in] minor is the device driver minor number
* @param[in] arg is the parameters to this call
*
* @return This method returns RTEMS_SUCCESSFUL when
* the device driver is successfully initialized.
*/
rtems_device_driver frame_buffer_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
/**
* @brief Frame Buffer Open Entry Point
*
* This method opens a specific device supported by the
* frame buffer device driver.
*
* @param[in] major is the device driver major number
* @param[in] minor is the device driver minor number
* @param[in] arg is the parameters to this call
*
* @return This method returns RTEMS_SUCCESSFUL when
* the device driver is successfully opened.
*/
rtems_device_driver frame_buffer_open(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
/**
* @brief Frame Buffer Close Entry Point
*
* This method closes a specific device supported by the
* frame buffer device driver.
*
* @param[in] major is the device driver major number
* @param[in] minor is the device driver minor number
* @param[in] arg is the parameters to this call
*
* @return This method returns RTEMS_SUCCESSFUL when
* the device is successfully closed.
*/
rtems_device_driver frame_buffer_close(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
/**
* @brief Frame Buffer Read Entry Point
*
* This method reads from a specific device supported by the
* frame buffer device driver.
*
* @param[in] major is the device driver major number
* @param[in] minor is the device driver minor number
* @param[in] arg is the parameters to this call
*
* @return This method returns RTEMS_SUCCESSFUL when
* the device is successfully read from.
*/
rtems_device_driver frame_buffer_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
/**
* @brief Frame Buffer Write Entry Point
*
* This method writes to a specific device supported by the
* frame buffer device driver.
*
* @param[in] major is the device driver major number
* @param[in] minor is the device driver minor number
* @param[in] arg is the parameters to this call
*
* @return This method returns RTEMS_SUCCESSFUL when
* the device is successfully written.
*/
rtems_device_driver frame_buffer_write(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
/**
* @brief Frame Buffer IO Control Entry Point
*
* This method performs an IO Control operation on a
* specific device supported by the frame buffer device driver.
*
* @param[in] major is the device driver major number
* @param[in] minor is the device driver minor number
* @param[in] arg is the parameters to this call
*
* @return This method returns RTEMS_SUCCESSFUL when
* the device driver IO control operation is
* successfully performed.
*/
rtems_device_driver frame_buffer_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
