1/*
2 * Copyright 2012 Haiku, Inc.  All rights reserved.
3 * Distributed under the terms of the MIT license.
4 *
5 * Authors:
6 *		Gerald Zajac
7 */
8
9/*!
10	Haiku Intel-810 video driver was adapted from the X.org intel driver which
11	has the following copyright.
12
13	Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
14	All Rights Reserved.
15 */
16
17
18#include "accelerant.h"
19#include "i810_regs.h"
20
21
22bool
23I810_GetColorSpaceParams(int colorSpace, uint8& bitsPerPixel,
24	uint32& maxPixelClock)
25{
26	// Get parameters for a color space which is supported by the i810 chips.
27	// Argument maxPixelClock is in KHz.
28	// Return true if the color space is supported;  else return false.
29
30	switch (colorSpace) {
31		case B_RGB16:
32			bitsPerPixel = 16;
33			maxPixelClock = 163000;
34			break;
35			break;
36		case B_CMAP8:
37			bitsPerPixel = 8;
38			maxPixelClock = 203000;
39			break;
40		default:
41			TRACE("Unsupported color space: 0x%X\n", colorSpace);
42			return false;
43	}
44
45	return true;
46}
47
48
49status_t
50I810_Init(void)
51{
52	TRACE("I810_Init()\n");
53
54	SharedInfo& si = *gInfo.sharedInfo;
55
56	// Use all of video memory for the frame buffer.
57
58	si.maxFrameBufferSize = si.videoMemSize;
59
60	// Set up the array of the supported color spaces.
61
62	si.colorSpaces[0] = B_CMAP8;
63	si.colorSpaces[1] = B_RGB16;
64	si.colorSpaceCount = 2;
65
66	// Setup the mode list.
67
68	return CreateModeList(IsModeUsable);
69}
70