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 22 bool 23 I810_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 49 status_t 50 I810_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