/*
 * Copyright 2012 Haiku, Inc.  All rights reserved.
 * Distributed under the terms of the MIT license.
 *
 * Authors:
 *              Gerald Zajac
 */

/*!
        Haiku Intel-810 video driver was adapted from the X.org intel driver which
        has the following copyright.

        Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
        All Rights Reserved.
 */


#include "accelerant.h"
#include "i810_regs.h"


bool
I810_GetColorSpaceParams(int colorSpace, uint8& bitsPerPixel,
        uint32& maxPixelClock)
{
        // Get parameters for a color space which is supported by the i810 chips.
        // Argument maxPixelClock is in KHz.
        // Return true if the color space is supported;  else return false.

        switch (colorSpace) {
                case B_RGB16:
                        bitsPerPixel = 16;
                        maxPixelClock = 163000;
                        break;
                        break;
                case B_CMAP8:
                        bitsPerPixel = 8;
                        maxPixelClock = 203000;
                        break;
                default:
                        TRACE("Unsupported color space: 0x%X\n", colorSpace);
                        return false;
        }

        return true;
}


status_t
I810_Init(void)
{
        TRACE("I810_Init()\n");

        SharedInfo& si = *gInfo.sharedInfo;

        // Use all of video memory for the frame buffer.

        si.maxFrameBufferSize = si.videoMemSize;

        // Set up the array of the supported color spaces.

        si.colorSpaces[0] = B_CMAP8;
        si.colorSpaces[1] = B_RGB16;
        si.colorSpaceCount = 2;

        // Setup the mode list.

        return CreateModeList(IsModeUsable);
}