1/*
2 * Copyright (c) 2010-2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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42/** @file
43 * Implementiation of a PL111 CLCD controller
44 */
45
46#ifndef __DEV_ARM_PL111_HH__
47#define __DEV_ARM_PL111_HH__
48
49#include <fstream>
50
51#include "dev/arm/amba_device.hh"
52#include "params/Pl111.hh"
53#include "sim/serialize.hh"
54
55class VncInput;
56class Bitmap;
57
58class Pl111: public AmbaDmaDevice
59{
60 protected:
61 static const uint64_t AMBA_ID = ULL(0xb105f00d00141111);
62 /** ARM PL111 register map*/
63 static const int LcdTiming0 = 0x000;
64 static const int LcdTiming1 = 0x004;

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251 InterruptReg clcdCrsrRis;
252
253 /** Cursor masked interrupt status register - const */
254 InterruptReg clcdCrsrMis;
255
256 /** Pixel clock */
257 Tick pixelClock;
258
259 /** VNC server */
260 VncInput *vnc;
261
262 /** Helper to write out bitmaps */
263 Bitmap *bmp;
264
265 /** Picture of what the current frame buffer looks like */
266 std::ostream *pic;
267
268 /** Frame buffer width - pixels per line */
269 uint16_t width;
270
271 /** Frame buffer height - lines per panel */

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290 Addr curAddr;
291
292 /** DMA FIFO watermark */
293 uint32_t waterMark;
294
295 /** Number of pending dma reads */
296 uint32_t dmaPendingNum;
297
298 /** Send updated parameters to the vnc server */
299 void updateVideoParams();
300
301 /** DMA framebuffer read */
302 void readFramebuffer();
303
304 /** Generate dma framebuffer read event */
305 void generateReadEvent();

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