1/*
2 * Copyright (c) 2010-2012, 2015 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#include <memory>
51
52#include "base/bitmap.hh"
53#include "base/framebuffer.hh"
54#include "dev/arm/amba_device.hh"
55#include "params/Pl111.hh"
56#include "sim/serialize.hh"
57
58class VncInput;
59
60class Pl111: public AmbaDmaDevice
61{
62 protected:
63 static const uint64_t AMBA_ID = ULL(0xb105f00d00141111);
64 /** ARM PL111 register map*/
65 static const int LcdTiming0 = 0x000;
66 static const int LcdTiming1 = 0x004;

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253 InterruptReg clcdCrsrRis;
254
255 /** Cursor masked interrupt status register - const */
256 InterruptReg clcdCrsrMis;
257
258 /** Pixel clock */
259 Tick pixelClock;
260
261 PixelConverter converter;
262 FrameBuffer fb;
263
264 /** VNC server */
265 VncInput *vnc;
266
267 /** Helper to write out bitmaps */
268 Bitmap bmp;
269
270 /** Picture of what the current frame buffer looks like */
271 std::ostream *pic;
272
273 /** Frame buffer width - pixels per line */
274 uint16_t width;
275
276 /** Frame buffer height - lines per panel */

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295 Addr curAddr;
296
297 /** DMA FIFO watermark */
298 uint32_t waterMark;
299
300 /** Number of pending dma reads */
301 uint32_t dmaPendingNum;
302
303 PixelConverter pixelConverter() const;
304
305 /** Send updated parameters to the vnc server */
306 void updateVideoParams();
307
308 /** DMA framebuffer read */
309 void readFramebuffer();
310
311 /** Generate dma framebuffer read event */
312 void generateReadEvent();

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