Ignore:
Timestamp:
Oct 22, 2019, 1:48:51 PM (3 years ago)
Author:
alain
Message:

...miscelaneous...

File:
1 edited

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  • trunk/hal/tsar_mips32/drivers/soclib_fbf.h

    r75 r647  
    11/*
    2  * soclib_fbf.h - soclib frame-buffer driver definition.
     2 * soclib_fbf.h - soclib frame-buffer driver definition (used in TSAR_IOB architecture).
    33 *
    4  * Author Alain greiner (2016)
     4 * Author Alain greiner (2016,2017,2018,2019)
    55 *
    66 * Copyright (c) UPMC Sorbonne Universites
     
    2222 */
    2323
    24 #ifndef _SOCLIB_FB_H_
    25 #define _SOCLIB_FB_H_
     24#ifndef _SOCLIB_FBF_H_
     25#define _SOCLIB_FBF_H_
    2626
     27#include <chdev.h>
     28#include <hal_kernel_types.h>
     29
     30/****************************************************************************************
     31 * This driver supports the vci_fbf_tsar component.
     32 *
     33 * This hardware component supports both a frame buffer, and a set of addressable
     34 * configuration status registers.
     35 ***************************************************************************************/
     36
     37/****************************************************************************************
     38 *                    SOCLIB_FBF registers offsets
     39 * The three addressables registers are on top  of the 4 Mbytes allocated
     40 * to the frame buffer itself.
     41 ***************************************************************************************/
     42
     43enum SoclibFrameBufferRegisters
     44{
     45    FBF_WIDTH_REG        = 0x100000,
     46    FBF_HEIGHT_REG       = 0x100001,
     47    FBF_SUBSAMPLING_REG  = 0x100002,
     48};
     49
     50/****************************************************************************************
     51 * This function access the SOCLIB_FBF hardware registers, to get the frame buffer
     52 * size and type, and update the FBF device extension.
     53 ****************************************************************************************
     54 * @ chdev     : pointer on the FBF chdev descriptor.
     55 ***************************************************************************************/
     56void soclib_fbf_init( chdev_t * chdev );
     57
     58/****************************************************************************************
     59 * This function implements the FBF_READ and FBF_WRITE commands registered in the client
     60 * thread descriptor identified by the <thread_xp> argument.
     61 * It is called directly by the client thread.
     62 * **************************************************************************************
     63 * @ thread_xp : extended pointer on client thread descriptor.
     64 ***************************************************************************************/
     65extern void soclib_fbf_cmd( xptr_t thread_xp );
    2766
    2867#endif
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