pl111.cc revision 9394:e88cf95d33d3 
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
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: William Wang
38 *          Ali Saidi
39 */
40
41#include "base/vnc/vncinput.hh"
42#include "base/bitmap.hh"
43#include "base/output.hh"
44#include "base/trace.hh"
45#include "debug/PL111.hh"
46#include "debug/Uart.hh"
47#include "dev/arm/amba_device.hh"
48#include "dev/arm/gic.hh"
49#include "dev/arm/pl111.hh"
50#include "mem/packet.hh"
51#include "mem/packet_access.hh"
52
53// clang complains about std::set being overloaded with Packet::set if
54// we open up the entire namespace std
55using std::vector;
56
57using namespace AmbaDev;
58
59// initialize clcd registers
60Pl111::Pl111(const Params *p)
61    : AmbaDmaDevice(p), lcdTiming0(0), lcdTiming1(0), lcdTiming2(0),
62      lcdTiming3(0), lcdUpbase(0), lcdLpbase(0), lcdControl(0), lcdImsc(0),
63      lcdRis(0), lcdMis(0),
64      clcdCrsrCtrl(0), clcdCrsrConfig(0), clcdCrsrPalette0(0),
65      clcdCrsrPalette1(0), clcdCrsrXY(0), clcdCrsrClip(0), clcdCrsrImsc(0),
66      clcdCrsrIcr(0), clcdCrsrRis(0), clcdCrsrMis(0),
67      pixelClock(p->pixel_clock),
68      vnc(p->vnc), bmp(NULL), width(LcdMaxWidth), height(LcdMaxHeight),
69      bytesPerPixel(4), startTime(0), startAddr(0), maxAddr(0), curAddr(0),
70      waterMark(0), dmaPendingNum(0), readEvent(this), fillFifoEvent(this),
71      dmaDoneEvent(maxOutstandingDma, this), intEvent(this)
72{
73    pioSize = 0xFFFF;
74
75    pic = simout.create(csprintf("%s.framebuffer.bmp", sys->name()), true);
76
77    const int buffer_size = LcdMaxWidth * LcdMaxHeight * sizeof(uint32_t);
78    dmaBuffer = new uint8_t[buffer_size];
79
80    memset(lcdPalette, 0, sizeof(lcdPalette));
81    memset(cursorImage, 0, sizeof(cursorImage));
82    memset(dmaBuffer, 0, buffer_size);
83
84    if (vnc)
85        vnc->setFramebufferAddr(dmaBuffer);
86}
87
88Pl111::~Pl111()
89{
90    delete[] dmaBuffer;
91}
92
93// read registers and frame buffer
94Tick
95Pl111::read(PacketPtr pkt)
96{
97    // use a temporary data since the LCD registers are read/written with
98    // different size operations
99
100    uint32_t data = 0;
101
102    assert(pkt->getAddr() >= pioAddr &&
103           pkt->getAddr() < pioAddr + pioSize);
104
105    Addr daddr = pkt->getAddr() - pioAddr;
106    pkt->allocate();
107
108    DPRINTF(PL111, " read register %#x size=%d\n", daddr, pkt->getSize());
109
110    switch (daddr) {
111      case LcdTiming0:
112        data = lcdTiming0;
113        break;
114      case LcdTiming1:
115        data = lcdTiming1;
116        break;
117      case LcdTiming2:
118        data = lcdTiming2;
119        break;
120      case LcdTiming3:
121        data = lcdTiming3;
122        break;
123      case LcdUpBase:
124        data = lcdUpbase;
125        break;
126      case LcdLpBase:
127        data = lcdLpbase;
128        break;
129      case LcdControl:
130        data = lcdControl;
131        break;
132      case LcdImsc:
133        data = lcdImsc;
134        break;
135      case LcdRis:
136        data = lcdRis;
137        break;
138      case LcdMis:
139        data = lcdMis;
140        break;
141      case LcdIcr:
142        panic("LCD register at offset %#x is Write-Only\n", daddr);
143        break;
144      case LcdUpCurr:
145        data = curAddr;
146        break;
147      case LcdLpCurr:
148        data = curAddr;
149        break;
150      case ClcdCrsrCtrl:
151        data = clcdCrsrCtrl;
152        break;
153      case ClcdCrsrConfig:
154        data = clcdCrsrConfig;
155        break;
156      case ClcdCrsrPalette0:
157        data = clcdCrsrPalette0;
158        break;
159      case ClcdCrsrPalette1:
160        data = clcdCrsrPalette1;
161        break;
162      case ClcdCrsrXY:
163        data = clcdCrsrXY;
164        break;
165      case ClcdCrsrClip:
166        data = clcdCrsrClip;
167        break;
168      case ClcdCrsrImsc:
169        data = clcdCrsrImsc;
170        break;
171      case ClcdCrsrIcr:
172        panic("CLCD register at offset %#x is Write-Only\n", daddr);
173        break;
174      case ClcdCrsrRis:
175        data = clcdCrsrRis;
176        break;
177      case ClcdCrsrMis:
178        data = clcdCrsrMis;
179        break;
180      default:
181        if (AmbaDev::readId(pkt, AMBA_ID, pioAddr)) {
182            // Hack for variable size accesses
183            data = pkt->get<uint32_t>();
184            break;
185        } else if (daddr >= CrsrImage && daddr <= 0xBFC) {
186            // CURSOR IMAGE
187            int index;
188            index = (daddr - CrsrImage) >> 2;
189            data= cursorImage[index];
190            break;
191        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
192            // LCD Palette
193            int index;
194            index = (daddr - LcdPalette) >> 2;
195            data = lcdPalette[index];
196            break;
197        } else {
198            panic("Tried to read CLCD register at offset %#x that \
199                       doesn't exist\n", daddr);
200            break;
201        }
202    }
203
204    switch(pkt->getSize()) {
205      case 1:
206        pkt->set<uint8_t>(data);
207        break;
208      case 2:
209        pkt->set<uint16_t>(data);
210        break;
211      case 4:
212        pkt->set<uint32_t>(data);
213        break;
214      default:
215        panic("CLCD controller read size too big?\n");
216        break;
217    }
218
219    pkt->makeAtomicResponse();
220    return pioDelay;
221}
222
223// write registers and frame buffer
224Tick
225Pl111::write(PacketPtr pkt)
226{
227    // use a temporary data since the LCD registers are read/written with
228    // different size operations
229    //
230    uint32_t data = 0;
231
232    switch(pkt->getSize()) {
233      case 1:
234        data = pkt->get<uint8_t>();
235        break;
236      case 2:
237        data = pkt->get<uint16_t>();
238        break;
239      case 4:
240        data = pkt->get<uint32_t>();
241        break;
242      default:
243        panic("PL111 CLCD controller write size too big?\n");
244        break;
245    }
246
247    assert(pkt->getAddr() >= pioAddr &&
248           pkt->getAddr() < pioAddr + pioSize);
249
250    Addr daddr = pkt->getAddr() - pioAddr;
251
252    DPRINTF(PL111, " write register %#x value %#x size=%d\n", daddr,
253            pkt->get<uint8_t>(), pkt->getSize());
254
255    switch (daddr) {
256      case LcdTiming0:
257        lcdTiming0 = data;
258        // width = 16 * (PPL+1)
259        width = (lcdTiming0.ppl + 1) << 4;
260        break;
261      case LcdTiming1:
262        lcdTiming1 = data;
263        // height = LPP + 1
264        height = (lcdTiming1.lpp) + 1;
265        break;
266      case LcdTiming2:
267        lcdTiming2 = data;
268        break;
269      case LcdTiming3:
270        lcdTiming3 = data;
271        break;
272      case LcdUpBase:
273        lcdUpbase = data;
274        DPRINTF(PL111, "####### Upper panel base set to: %#x #######\n", lcdUpbase);
275        break;
276      case LcdLpBase:
277        warn_once("LCD dual screen mode not supported\n");
278        lcdLpbase = data;
279        DPRINTF(PL111, "###### Lower panel base set to: %#x #######\n", lcdLpbase);
280        break;
281      case LcdControl:
282        int old_lcdpwr;
283        old_lcdpwr = lcdControl.lcdpwr;
284        lcdControl = data;
285
286        DPRINTF(PL111, "LCD power is:%d\n", lcdControl.lcdpwr);
287
288        // LCD power enable
289        if (lcdControl.lcdpwr && !old_lcdpwr) {
290            updateVideoParams();
291            DPRINTF(PL111, " lcd size: height %d width %d\n", height, width);
292            waterMark = lcdControl.watermark ? 8 : 4;
293            startDma();
294        }
295        break;
296      case LcdImsc:
297        lcdImsc = data;
298        if (lcdImsc.vcomp)
299            panic("Interrupting on vcomp not supported\n");
300
301        lcdMis = lcdImsc & lcdRis;
302
303        if (!lcdMis)
304            gic->clearInt(intNum);
305
306         break;
307      case LcdRis:
308        panic("LCD register at offset %#x is Read-Only\n", daddr);
309        break;
310      case LcdMis:
311        panic("LCD register at offset %#x is Read-Only\n", daddr);
312        break;
313      case LcdIcr:
314        lcdRis = lcdRis & ~data;
315        lcdMis = lcdImsc & lcdRis;
316
317        if (!lcdMis)
318            gic->clearInt(intNum);
319
320        break;
321      case LcdUpCurr:
322        panic("LCD register at offset %#x is Read-Only\n", daddr);
323        break;
324      case LcdLpCurr:
325        panic("LCD register at offset %#x is Read-Only\n", daddr);
326        break;
327      case ClcdCrsrCtrl:
328        clcdCrsrCtrl = data;
329        break;
330      case ClcdCrsrConfig:
331        clcdCrsrConfig = data;
332        break;
333      case ClcdCrsrPalette0:
334        clcdCrsrPalette0 = data;
335        break;
336      case ClcdCrsrPalette1:
337        clcdCrsrPalette1 = data;
338        break;
339      case ClcdCrsrXY:
340        clcdCrsrXY = data;
341        break;
342      case ClcdCrsrClip:
343        clcdCrsrClip = data;
344        break;
345      case ClcdCrsrImsc:
346        clcdCrsrImsc = data;
347        break;
348      case ClcdCrsrIcr:
349        clcdCrsrIcr = data;
350        break;
351      case ClcdCrsrRis:
352        panic("CLCD register at offset %#x is Read-Only\n", daddr);
353        break;
354      case ClcdCrsrMis:
355        panic("CLCD register at offset %#x is Read-Only\n", daddr);
356        break;
357      default:
358        if (daddr >= CrsrImage && daddr <= 0xBFC) {
359            // CURSOR IMAGE
360            int index;
361            index = (daddr - CrsrImage) >> 2;
362            cursorImage[index] = data;
363            break;
364        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
365            // LCD Palette
366            int index;
367            index = (daddr - LcdPalette) >> 2;
368            lcdPalette[index] = data;
369            break;
370        } else {
371            panic("Tried to write PL111 register at offset %#x that \
372                       doesn't exist\n", daddr);
373            break;
374        }
375    }
376
377    pkt->makeAtomicResponse();
378    return pioDelay;
379}
380
381void
382Pl111::updateVideoParams()
383{
384        if (lcdControl.lcdbpp == bpp24) {
385            bytesPerPixel = 4;
386        } else if (lcdControl.lcdbpp == bpp16m565) {
387            bytesPerPixel = 2;
388        }
389
390        if (vnc) {
391            if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
392                vnc->setFrameBufferParams(VideoConvert::bgr8888, width,
393                       height);
394            else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
395                vnc->setFrameBufferParams(VideoConvert::rgb8888, width,
396                       height);
397            else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
398                vnc->setFrameBufferParams(VideoConvert::bgr565, width,
399                       height);
400            else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
401                vnc->setFrameBufferParams(VideoConvert::rgb565, width,
402                       height);
403            else
404                panic("Unimplemented video mode\n");
405        }
406
407        if (bmp)
408            delete bmp;
409
410        if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
411            bmp = new Bitmap(VideoConvert::bgr8888, width, height, dmaBuffer);
412        else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
413            bmp = new Bitmap(VideoConvert::rgb8888, width, height, dmaBuffer);
414        else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
415            bmp = new Bitmap(VideoConvert::bgr565, width, height, dmaBuffer);
416        else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
417            bmp = new Bitmap(VideoConvert::rgb565, width, height, dmaBuffer);
418        else
419            panic("Unimplemented video mode\n");
420}
421
422void
423Pl111::startDma()
424{
425    if (dmaPendingNum != 0 || readEvent.scheduled())
426        return;
427    readFramebuffer();
428}
429
430void
431Pl111::readFramebuffer()
432{
433    // initialization for dma read from frame buffer to dma buffer
434    uint32_t length = height * width;
435    if (startAddr != lcdUpbase)
436        startAddr = lcdUpbase;
437
438    // Updating base address, interrupt if we're supposed to
439    lcdRis.baseaddr = 1;
440    if (!intEvent.scheduled())
441        schedule(intEvent, nextCycle());
442
443    curAddr = 0;
444    startTime = curTick();
445
446    maxAddr = static_cast<Addr>(length * bytesPerPixel);
447
448    DPRINTF(PL111, " lcd frame buffer size of %d bytes \n", maxAddr);
449
450    fillFifo();
451}
452
453void
454Pl111::fillFifo()
455{
456    while ((dmaPendingNum < maxOutstandingDma) && (maxAddr >= curAddr + dmaSize )) {
457        // concurrent dma reads need different dma done events
458        // due to assertion in scheduling state
459        ++dmaPendingNum;
460
461        assert(!dmaDoneEvent[dmaPendingNum-1].scheduled());
462
463        // We use a uncachable request here because the requests from the CPU
464        // will be uncacheable as well. If we have uncacheable and cacheable
465        // requests in the memory system for the same address it won't be
466        // pleased
467        dmaPort.dmaAction(MemCmd::ReadReq, curAddr + startAddr, dmaSize,
468                          &dmaDoneEvent[dmaPendingNum-1], curAddr + dmaBuffer,
469                          0, Request::UNCACHEABLE);
470        curAddr += dmaSize;
471    }
472}
473
474void
475Pl111::dmaDone()
476{
477    DPRINTF(PL111, "DMA Done\n");
478
479    Tick maxFrameTime = lcdTiming2.cpl * height * pixelClock;
480
481    --dmaPendingNum;
482
483    if (maxAddr == curAddr && !dmaPendingNum) {
484        if ((curTick() - startTime) > maxFrameTime) {
485            warn("CLCD controller buffer underrun, took %d ticks when should"
486                 " have taken %d\n", curTick() - startTime, maxFrameTime);
487            lcdRis.underflow = 1;
488            if (!intEvent.scheduled())
489                schedule(intEvent, nextCycle());
490        }
491
492        assert(!readEvent.scheduled());
493        if (vnc)
494            vnc->setDirty();
495
496        DPRINTF(PL111, "-- write out frame buffer into bmp\n");
497
498        assert(bmp);
499        pic->seekp(0);
500        bmp->write(pic);
501
502        // schedule the next read based on when the last frame started
503        // and the desired fps (i.e. maxFrameTime), we turn the
504        // argument into a relative number of cycles in the future
505        if (lcdControl.lcden)
506            schedule(readEvent, clockEdge(ticksToCycles(startTime -
507                                                        curTick() +
508                                                        maxFrameTime)));
509    }
510
511    if (dmaPendingNum > (maxOutstandingDma - waterMark))
512        return;
513
514    if (!fillFifoEvent.scheduled())
515        schedule(fillFifoEvent, nextCycle());
516}
517
518void
519Pl111::serialize(std::ostream &os)
520{
521    DPRINTF(PL111, "Serializing ARM PL111\n");
522
523    uint32_t lcdTiming0_serial = lcdTiming0;
524    SERIALIZE_SCALAR(lcdTiming0_serial);
525
526    uint32_t lcdTiming1_serial = lcdTiming1;
527    SERIALIZE_SCALAR(lcdTiming1_serial);
528
529    uint32_t lcdTiming2_serial = lcdTiming2;
530    SERIALIZE_SCALAR(lcdTiming2_serial);
531
532    uint32_t lcdTiming3_serial = lcdTiming3;
533    SERIALIZE_SCALAR(lcdTiming3_serial);
534
535    SERIALIZE_SCALAR(lcdUpbase);
536    SERIALIZE_SCALAR(lcdLpbase);
537
538    uint32_t lcdControl_serial = lcdControl;
539    SERIALIZE_SCALAR(lcdControl_serial);
540
541    uint8_t lcdImsc_serial = lcdImsc;
542    SERIALIZE_SCALAR(lcdImsc_serial);
543
544    uint8_t lcdRis_serial = lcdRis;
545    SERIALIZE_SCALAR(lcdRis_serial);
546
547    uint8_t lcdMis_serial = lcdMis;
548    SERIALIZE_SCALAR(lcdMis_serial);
549
550    SERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
551    SERIALIZE_ARRAY(cursorImage, CrsrImageSize);
552
553    SERIALIZE_SCALAR(clcdCrsrCtrl);
554    SERIALIZE_SCALAR(clcdCrsrConfig);
555    SERIALIZE_SCALAR(clcdCrsrPalette0);
556    SERIALIZE_SCALAR(clcdCrsrPalette1);
557    SERIALIZE_SCALAR(clcdCrsrXY);
558    SERIALIZE_SCALAR(clcdCrsrClip);
559
560    uint8_t clcdCrsrImsc_serial = clcdCrsrImsc;
561    SERIALIZE_SCALAR(clcdCrsrImsc_serial);
562
563    uint8_t clcdCrsrIcr_serial = clcdCrsrIcr;
564    SERIALIZE_SCALAR(clcdCrsrIcr_serial);
565
566    uint8_t clcdCrsrRis_serial = clcdCrsrRis;
567    SERIALIZE_SCALAR(clcdCrsrRis_serial);
568
569    uint8_t clcdCrsrMis_serial = clcdCrsrMis;
570    SERIALIZE_SCALAR(clcdCrsrMis_serial);
571
572    SERIALIZE_SCALAR(height);
573    SERIALIZE_SCALAR(width);
574    SERIALIZE_SCALAR(bytesPerPixel);
575
576    SERIALIZE_ARRAY(dmaBuffer, height * width);
577    SERIALIZE_SCALAR(startTime);
578    SERIALIZE_SCALAR(startAddr);
579    SERIALIZE_SCALAR(maxAddr);
580    SERIALIZE_SCALAR(curAddr);
581    SERIALIZE_SCALAR(waterMark);
582    SERIALIZE_SCALAR(dmaPendingNum);
583
584    Tick int_event_time = 0;
585    Tick read_event_time = 0;
586    Tick fill_fifo_event_time = 0;
587
588    if (readEvent.scheduled())
589        read_event_time = readEvent.when();
590    if (fillFifoEvent.scheduled())
591        fill_fifo_event_time = fillFifoEvent.when();
592    if (intEvent.scheduled())
593        int_event_time = intEvent.when();
594
595    SERIALIZE_SCALAR(read_event_time);
596    SERIALIZE_SCALAR(fill_fifo_event_time);
597    SERIALIZE_SCALAR(int_event_time);
598
599    vector<Tick> dma_done_event_tick;
600    dma_done_event_tick.resize(maxOutstandingDma);
601    for (int x = 0; x < maxOutstandingDma; x++) {
602        dma_done_event_tick[x] = dmaDoneEvent[x].scheduled() ?
603            dmaDoneEvent[x].when() : 0;
604    }
605    arrayParamOut(os, "dma_done_event_tick", dma_done_event_tick);
606}
607
608void
609Pl111::unserialize(Checkpoint *cp, const std::string &section)
610{
611    DPRINTF(PL111, "Unserializing ARM PL111\n");
612
613    uint32_t lcdTiming0_serial;
614    UNSERIALIZE_SCALAR(lcdTiming0_serial);
615    lcdTiming0 = lcdTiming0_serial;
616
617    uint32_t lcdTiming1_serial;
618    UNSERIALIZE_SCALAR(lcdTiming1_serial);
619    lcdTiming1 = lcdTiming1_serial;
620
621    uint32_t lcdTiming2_serial;
622    UNSERIALIZE_SCALAR(lcdTiming2_serial);
623    lcdTiming2 = lcdTiming2_serial;
624
625    uint32_t lcdTiming3_serial;
626    UNSERIALIZE_SCALAR(lcdTiming3_serial);
627    lcdTiming3 = lcdTiming3_serial;
628
629    UNSERIALIZE_SCALAR(lcdUpbase);
630    UNSERIALIZE_SCALAR(lcdLpbase);
631
632    uint32_t lcdControl_serial;
633    UNSERIALIZE_SCALAR(lcdControl_serial);
634    lcdControl = lcdControl_serial;
635
636    uint8_t lcdImsc_serial;
637    UNSERIALIZE_SCALAR(lcdImsc_serial);
638    lcdImsc = lcdImsc_serial;
639
640    uint8_t lcdRis_serial;
641    UNSERIALIZE_SCALAR(lcdRis_serial);
642    lcdRis = lcdRis_serial;
643
644    uint8_t lcdMis_serial;
645    UNSERIALIZE_SCALAR(lcdMis_serial);
646    lcdMis = lcdMis_serial;
647
648    UNSERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
649    UNSERIALIZE_ARRAY(cursorImage, CrsrImageSize);
650
651    UNSERIALIZE_SCALAR(clcdCrsrCtrl);
652    UNSERIALIZE_SCALAR(clcdCrsrConfig);
653    UNSERIALIZE_SCALAR(clcdCrsrPalette0);
654    UNSERIALIZE_SCALAR(clcdCrsrPalette1);
655    UNSERIALIZE_SCALAR(clcdCrsrXY);
656    UNSERIALIZE_SCALAR(clcdCrsrClip);
657
658    uint8_t clcdCrsrImsc_serial;
659    UNSERIALIZE_SCALAR(clcdCrsrImsc_serial);
660    clcdCrsrImsc = clcdCrsrImsc_serial;
661
662    uint8_t clcdCrsrIcr_serial;
663    UNSERIALIZE_SCALAR(clcdCrsrIcr_serial);
664    clcdCrsrIcr = clcdCrsrIcr_serial;
665
666    uint8_t clcdCrsrRis_serial;
667    UNSERIALIZE_SCALAR(clcdCrsrRis_serial);
668    clcdCrsrRis = clcdCrsrRis_serial;
669
670    uint8_t clcdCrsrMis_serial;
671    UNSERIALIZE_SCALAR(clcdCrsrMis_serial);
672    clcdCrsrMis = clcdCrsrMis_serial;
673
674    UNSERIALIZE_SCALAR(height);
675    UNSERIALIZE_SCALAR(width);
676    UNSERIALIZE_SCALAR(bytesPerPixel);
677
678    UNSERIALIZE_ARRAY(dmaBuffer, height * width);
679    UNSERIALIZE_SCALAR(startTime);
680    UNSERIALIZE_SCALAR(startAddr);
681    UNSERIALIZE_SCALAR(maxAddr);
682    UNSERIALIZE_SCALAR(curAddr);
683    UNSERIALIZE_SCALAR(waterMark);
684    UNSERIALIZE_SCALAR(dmaPendingNum);
685
686    Tick int_event_time = 0;
687    Tick read_event_time = 0;
688    Tick fill_fifo_event_time = 0;
689
690    UNSERIALIZE_SCALAR(read_event_time);
691    UNSERIALIZE_SCALAR(fill_fifo_event_time);
692    UNSERIALIZE_SCALAR(int_event_time);
693
694    if (int_event_time)
695        schedule(intEvent, int_event_time);
696    if (read_event_time)
697        schedule(readEvent, read_event_time);
698    if (fill_fifo_event_time)
699        schedule(fillFifoEvent, fill_fifo_event_time);
700
701    vector<Tick> dma_done_event_tick;
702    dma_done_event_tick.resize(maxOutstandingDma);
703    arrayParamIn(cp, section, "dma_done_event_tick", dma_done_event_tick);
704    for (int x = 0; x < maxOutstandingDma; x++) {
705        if (dma_done_event_tick[x])
706            schedule(dmaDoneEvent[x], dma_done_event_tick[x]);
707    }
708
709    if (lcdControl.lcdpwr) {
710        updateVideoParams();
711        if (vnc)
712            vnc->setDirty();
713    }
714}
715
716void
717Pl111::generateInterrupt()
718{
719    DPRINTF(PL111, "Generate Interrupt: lcdImsc=0x%x lcdRis=0x%x lcdMis=0x%x\n",
720            (uint32_t)lcdImsc, (uint32_t)lcdRis, (uint32_t)lcdMis);
721    lcdMis = lcdImsc & lcdRis;
722
723    if (lcdMis.underflow || lcdMis.baseaddr || lcdMis.vcomp || lcdMis.ahbmaster) {
724        gic->sendInt(intNum);
725        DPRINTF(PL111, " -- Generated\n");
726    }
727}
728
729AddrRangeList
730Pl111::getAddrRanges() const
731{
732    AddrRangeList ranges;
733    ranges.push_back(RangeSize(pioAddr, pioSize));
734    return ranges;
735}
736
737Pl111 *
738Pl111Params::create()
739{
740    return new Pl111(this);
741}
742
743
744