hdlcd.cc revision 11898
19646SChris.Emmons@arm.com/* 211897Ssudhanshu.jha@arm.com * Copyright (c) 2010-2013, 2015, 2017 ARM Limited 39646SChris.Emmons@arm.com * All rights reserved 49646SChris.Emmons@arm.com * 59646SChris.Emmons@arm.com * The license below extends only to copyright in the software and shall 69646SChris.Emmons@arm.com * not be construed as granting a license to any other intellectual 79646SChris.Emmons@arm.com * property including but not limited to intellectual property relating 89646SChris.Emmons@arm.com * to a hardware implementation of the functionality of the software 99646SChris.Emmons@arm.com * licensed hereunder. You may use the software subject to the license 109646SChris.Emmons@arm.com * terms below provided that you ensure that this notice is replicated 119646SChris.Emmons@arm.com * unmodified and in its entirety in all distributions of the software, 129646SChris.Emmons@arm.com * modified or unmodified, in source code or in binary form. 139646SChris.Emmons@arm.com * 149646SChris.Emmons@arm.com * Redistribution and use in source and binary forms, with or without 159646SChris.Emmons@arm.com * modification, are permitted provided that the following conditions are 169646SChris.Emmons@arm.com * met: redistributions of source code must retain the above copyright 179646SChris.Emmons@arm.com * notice, this list of conditions and the following disclaimer; 189646SChris.Emmons@arm.com * redistributions in binary form must reproduce the above copyright 199646SChris.Emmons@arm.com * notice, this list of conditions and the following disclaimer in the 209646SChris.Emmons@arm.com * documentation and/or other materials provided with the distribution; 219646SChris.Emmons@arm.com * neither the name of the copyright holders nor the names of its 229646SChris.Emmons@arm.com * contributors may be used to endorse or promote products derived from 239646SChris.Emmons@arm.com * this software without specific prior written permission. 249646SChris.Emmons@arm.com * 259646SChris.Emmons@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 269646SChris.Emmons@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 279646SChris.Emmons@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 289646SChris.Emmons@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 299646SChris.Emmons@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 309646SChris.Emmons@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 319646SChris.Emmons@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 329646SChris.Emmons@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 339646SChris.Emmons@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 349646SChris.Emmons@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 359646SChris.Emmons@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 369646SChris.Emmons@arm.com * 379646SChris.Emmons@arm.com * Authors: Chris Emmons 3811090Sandreas.sandberg@arm.com * Andreas Sandberg 399646SChris.Emmons@arm.com */ 409646SChris.Emmons@arm.com 4110839Sandreas.sandberg@arm.com#include "dev/arm/hdlcd.hh" 4210839Sandreas.sandberg@arm.com 439646SChris.Emmons@arm.com#include "base/output.hh" 449646SChris.Emmons@arm.com#include "base/trace.hh" 4511793Sbrandon.potter@amd.com#include "base/vnc/vncinput.hh" 4611090Sandreas.sandberg@arm.com#include "debug/Checkpoint.hh" 479646SChris.Emmons@arm.com#include "debug/HDLcd.hh" 489646SChris.Emmons@arm.com#include "dev/arm/amba_device.hh" 499646SChris.Emmons@arm.com#include "dev/arm/base_gic.hh" 509646SChris.Emmons@arm.com#include "mem/packet.hh" 519646SChris.Emmons@arm.com#include "mem/packet_access.hh" 5211090Sandreas.sandberg@arm.com#include "params/HDLcd.hh" 539646SChris.Emmons@arm.com#include "sim/system.hh" 549646SChris.Emmons@arm.com 559646SChris.Emmons@arm.comusing std::vector; 569646SChris.Emmons@arm.com 579646SChris.Emmons@arm.com 589646SChris.Emmons@arm.com// initialize hdlcd registers 5911090Sandreas.sandberg@arm.comHDLcd::HDLcd(const HDLcdParams *p) 6011090Sandreas.sandberg@arm.com : AmbaDmaDevice(p, 0xFFFF), 6111090Sandreas.sandberg@arm.com // Parameters 6211090Sandreas.sandberg@arm.com vnc(p->vnc), 6311090Sandreas.sandberg@arm.com workaroundSwapRB(p->workaround_swap_rb), 6411090Sandreas.sandberg@arm.com workaroundDmaLineCount(p->workaround_dma_line_count), 6511090Sandreas.sandberg@arm.com addrRanges{RangeSize(pioAddr, pioSize)}, 6611090Sandreas.sandberg@arm.com enableCapture(p->enable_capture), 6711090Sandreas.sandberg@arm.com pixelBufferSize(p->pixel_buffer_size), 6811898Ssudhanshu.jha@arm.com virtRefreshRate(p->virt_refresh_rate), 6911090Sandreas.sandberg@arm.com 7011090Sandreas.sandberg@arm.com // Registers 7111090Sandreas.sandberg@arm.com version(VERSION_RESETV), 7211090Sandreas.sandberg@arm.com int_rawstat(0), int_mask(0), 7311090Sandreas.sandberg@arm.com 749646SChris.Emmons@arm.com fb_base(0), fb_line_length(0), fb_line_count(0), fb_line_pitch(0), 759646SChris.Emmons@arm.com bus_options(BUS_OPTIONS_RESETV), 7611090Sandreas.sandberg@arm.com 779646SChris.Emmons@arm.com v_sync(0), v_back_porch(0), v_data(0), v_front_porch(0), 789646SChris.Emmons@arm.com h_sync(0), h_back_porch(0), h_data(0), h_front_porch(0), 7911090Sandreas.sandberg@arm.com polarities(0), 8011090Sandreas.sandberg@arm.com 8111090Sandreas.sandberg@arm.com command(0), 8211090Sandreas.sandberg@arm.com 8311090Sandreas.sandberg@arm.com pixel_format(0), 849646SChris.Emmons@arm.com red_select(0), green_select(0), blue_select(0), 8511090Sandreas.sandberg@arm.com 8611898Ssudhanshu.jha@arm.com virtRefreshEvent(this), 8711090Sandreas.sandberg@arm.com // Other 8811090Sandreas.sandberg@arm.com bmp(&pixelPump.fb), pic(NULL), conv(PixelConverter::rgba8888_le), 8911090Sandreas.sandberg@arm.com pixelPump(*this, *p->pxl_clk, p->pixel_chunk) 909646SChris.Emmons@arm.com{ 919646SChris.Emmons@arm.com if (vnc) 9211090Sandreas.sandberg@arm.com vnc->setFrameBuffer(&pixelPump.fb); 939646SChris.Emmons@arm.com} 949646SChris.Emmons@arm.com 959646SChris.Emmons@arm.comHDLcd::~HDLcd() 969646SChris.Emmons@arm.com{ 979646SChris.Emmons@arm.com} 989646SChris.Emmons@arm.com 9911090Sandreas.sandberg@arm.comvoid 10011091Sandreas.sandberg@arm.comHDLcd::regStats() 10111091Sandreas.sandberg@arm.com{ 10211523Sdavid.guillen@arm.com AmbaDmaDevice::regStats(); 10311523Sdavid.guillen@arm.com 10411091Sandreas.sandberg@arm.com using namespace Stats; 10511091Sandreas.sandberg@arm.com 10611091Sandreas.sandberg@arm.com stats.underruns 10711091Sandreas.sandberg@arm.com .name(name() + ".underruns") 10811091Sandreas.sandberg@arm.com .desc("number of buffer underruns") 10911091Sandreas.sandberg@arm.com .flags(nozero) 11011091Sandreas.sandberg@arm.com ; 11111091Sandreas.sandberg@arm.com} 11211091Sandreas.sandberg@arm.com 11311091Sandreas.sandberg@arm.comvoid 11411090Sandreas.sandberg@arm.comHDLcd::serialize(CheckpointOut &cp) const 11511090Sandreas.sandberg@arm.com{ 11611090Sandreas.sandberg@arm.com DPRINTF(Checkpoint, "Serializing ARM HDLCD\n"); 11711090Sandreas.sandberg@arm.com 11811090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(int_rawstat); 11911090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(int_mask); 12011090Sandreas.sandberg@arm.com 12111090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(fb_base); 12211090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(fb_line_length); 12311090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(fb_line_count); 12411090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(fb_line_pitch); 12511090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(bus_options); 12611090Sandreas.sandberg@arm.com 12711090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(v_sync); 12811090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(v_back_porch); 12911090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(v_data); 13011090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(v_front_porch); 13111090Sandreas.sandberg@arm.com 13211090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(h_sync); 13311090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(h_back_porch); 13411090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(h_data); 13511090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(h_front_porch); 13611090Sandreas.sandberg@arm.com 13711090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(polarities); 13811090Sandreas.sandberg@arm.com 13911090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(command); 14011090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(pixel_format); 14111090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(red_select); 14211090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(green_select); 14311090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(blue_select); 14411090Sandreas.sandberg@arm.com 14511090Sandreas.sandberg@arm.com SERIALIZE_OBJ(pixelPump); 14611090Sandreas.sandberg@arm.com if (enabled()) 14711090Sandreas.sandberg@arm.com dmaEngine->serializeSection(cp, "dmaEngine"); 14811090Sandreas.sandberg@arm.com} 14911090Sandreas.sandberg@arm.com 15011090Sandreas.sandberg@arm.comvoid 15111090Sandreas.sandberg@arm.comHDLcd::unserialize(CheckpointIn &cp) 15211090Sandreas.sandberg@arm.com{ 15311090Sandreas.sandberg@arm.com DPRINTF(Checkpoint, "Unserializing ARM HDLCD\n"); 15411090Sandreas.sandberg@arm.com 15511090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(int_rawstat); 15611090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(int_mask); 15711090Sandreas.sandberg@arm.com 15811090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(fb_base); 15911090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(fb_line_length); 16011090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(fb_line_count); 16111090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(fb_line_pitch); 16211090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(bus_options); 16311090Sandreas.sandberg@arm.com 16411090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(v_sync); 16511090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(v_back_porch); 16611090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(v_data); 16711090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(v_front_porch); 16811090Sandreas.sandberg@arm.com 16911090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(h_sync); 17011090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(h_back_porch); 17111090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(h_data); 17211090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(h_front_porch); 17311090Sandreas.sandberg@arm.com 17411090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(polarities); 17511090Sandreas.sandberg@arm.com 17611090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(command); 17711090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(pixel_format); 17811090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(red_select); 17911090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(green_select); 18011090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(blue_select); 18111090Sandreas.sandberg@arm.com 18211090Sandreas.sandberg@arm.com { 18311090Sandreas.sandberg@arm.com // Try to unserialize the pixel pump. It might not exist if 18411090Sandreas.sandberg@arm.com // we're unserializing an old checkpoint. 18511090Sandreas.sandberg@arm.com ScopedCheckpointSection sec(cp, "pixelPump"); 18611090Sandreas.sandberg@arm.com if (cp.sectionExists(Serializable::currentSection())) 18711090Sandreas.sandberg@arm.com pixelPump.unserialize(cp); 18811090Sandreas.sandberg@arm.com } 18911090Sandreas.sandberg@arm.com 19011090Sandreas.sandberg@arm.com if (enabled()) { 19111090Sandreas.sandberg@arm.com // Create the DMA engine and read its state from the 19211090Sandreas.sandberg@arm.com // checkpoint. We don't need to worry about the pixel pump as 19311090Sandreas.sandberg@arm.com // it is a proper SimObject. 19411090Sandreas.sandberg@arm.com createDmaEngine(); 19511090Sandreas.sandberg@arm.com dmaEngine->unserializeSection(cp, "dmaEngine"); 19611090Sandreas.sandberg@arm.com 19711090Sandreas.sandberg@arm.com conv = pixelConverter(); 19811090Sandreas.sandberg@arm.com } 19911090Sandreas.sandberg@arm.com} 20011090Sandreas.sandberg@arm.com 20111090Sandreas.sandberg@arm.comvoid 20211090Sandreas.sandberg@arm.comHDLcd::drainResume() 20311090Sandreas.sandberg@arm.com{ 20411090Sandreas.sandberg@arm.com AmbaDmaDevice::drainResume(); 20511090Sandreas.sandberg@arm.com 20611898Ssudhanshu.jha@arm.com if (enabled()) { 20711898Ssudhanshu.jha@arm.com if (sys->bypassCaches()) { 20811898Ssudhanshu.jha@arm.com // We restart the HDLCD if we are in KVM mode. This 20911898Ssudhanshu.jha@arm.com // ensures that we always use the fast refresh logic if we 21011898Ssudhanshu.jha@arm.com // resume in KVM mode. 21111898Ssudhanshu.jha@arm.com cmdDisable(); 21211898Ssudhanshu.jha@arm.com cmdEnable(); 21311898Ssudhanshu.jha@arm.com } else if (!pixelPump.active()) { 21411898Ssudhanshu.jha@arm.com // We restored from an old checkpoint without a pixel 21511898Ssudhanshu.jha@arm.com // pump, start an new refresh. This typically happens when 21611898Ssudhanshu.jha@arm.com // restoring from old checkpoints. 21711898Ssudhanshu.jha@arm.com cmdEnable(); 21811898Ssudhanshu.jha@arm.com } 21911897Ssudhanshu.jha@arm.com } 22011090Sandreas.sandberg@arm.com 22111090Sandreas.sandberg@arm.com // We restored from a checkpoint and need to update the VNC server 22211090Sandreas.sandberg@arm.com if (pixelPump.active() && vnc) 22311090Sandreas.sandberg@arm.com vnc->setDirty(); 22411090Sandreas.sandberg@arm.com} 22511090Sandreas.sandberg@arm.com 22611898Ssudhanshu.jha@arm.comvoid 22711898Ssudhanshu.jha@arm.comHDLcd::virtRefresh() 22811898Ssudhanshu.jha@arm.com{ 22911898Ssudhanshu.jha@arm.com pixelPump.renderFrame(); 23011898Ssudhanshu.jha@arm.com schedule(virtRefreshEvent, (curTick() + virtRefreshRate)); 23111898Ssudhanshu.jha@arm.com} 23211898Ssudhanshu.jha@arm.com 2339646SChris.Emmons@arm.com// read registers and frame buffer 2349646SChris.Emmons@arm.comTick 2359646SChris.Emmons@arm.comHDLcd::read(PacketPtr pkt) 2369646SChris.Emmons@arm.com{ 23711090Sandreas.sandberg@arm.com assert(pkt->getAddr() >= pioAddr && 23811090Sandreas.sandberg@arm.com pkt->getAddr() < pioAddr + pioSize); 2399646SChris.Emmons@arm.com 24011090Sandreas.sandberg@arm.com const Addr daddr(pkt->getAddr() - pioAddr); 24111090Sandreas.sandberg@arm.com panic_if(pkt->getSize() != 4, 24211090Sandreas.sandberg@arm.com "Unhandled read size (address: 0x.4x, size: %u)", 24311090Sandreas.sandberg@arm.com daddr, pkt->getSize()); 2449646SChris.Emmons@arm.com 24511090Sandreas.sandberg@arm.com const uint32_t data(readReg(daddr)); 24611090Sandreas.sandberg@arm.com DPRINTF(HDLcd, "read register 0x%04x: 0x%x\n", daddr, data); 2479646SChris.Emmons@arm.com 2489646SChris.Emmons@arm.com pkt->set<uint32_t>(data); 2499646SChris.Emmons@arm.com pkt->makeAtomicResponse(); 2509646SChris.Emmons@arm.com return pioDelay; 2519646SChris.Emmons@arm.com} 2529646SChris.Emmons@arm.com 2539646SChris.Emmons@arm.com// write registers and frame buffer 2549646SChris.Emmons@arm.comTick 2559646SChris.Emmons@arm.comHDLcd::write(PacketPtr pkt) 2569646SChris.Emmons@arm.com{ 2579646SChris.Emmons@arm.com assert(pkt->getAddr() >= pioAddr && 25811090Sandreas.sandberg@arm.com pkt->getAddr() < pioAddr + pioSize); 2599646SChris.Emmons@arm.com 26011090Sandreas.sandberg@arm.com const Addr daddr(pkt->getAddr() - pioAddr); 26111090Sandreas.sandberg@arm.com panic_if(pkt->getSize() != 4, 26211090Sandreas.sandberg@arm.com "Unhandled read size (address: 0x.4x, size: %u)", 26311090Sandreas.sandberg@arm.com daddr, pkt->getSize()); 26411090Sandreas.sandberg@arm.com const uint32_t data(pkt->get<uint32_t>()); 26511090Sandreas.sandberg@arm.com DPRINTF(HDLcd, "write register 0x%04x: 0x%x\n", daddr, data); 2669646SChris.Emmons@arm.com 26711090Sandreas.sandberg@arm.com writeReg(daddr, data); 2689646SChris.Emmons@arm.com 2699646SChris.Emmons@arm.com pkt->makeAtomicResponse(); 2709646SChris.Emmons@arm.com return pioDelay; 2719646SChris.Emmons@arm.com} 2729646SChris.Emmons@arm.com 27311090Sandreas.sandberg@arm.comuint32_t 27411090Sandreas.sandberg@arm.comHDLcd::readReg(Addr offset) 2759646SChris.Emmons@arm.com{ 27611090Sandreas.sandberg@arm.com switch (offset) { 27711090Sandreas.sandberg@arm.com case Version: return version; 27810839Sandreas.sandberg@arm.com 27911090Sandreas.sandberg@arm.com case Int_RawStat: return int_rawstat; 28011090Sandreas.sandberg@arm.com case Int_Clear: 28111090Sandreas.sandberg@arm.com panic("HDLCD INT_CLEAR register is Write-Only\n"); 28211090Sandreas.sandberg@arm.com case Int_Mask: return int_mask; 28311090Sandreas.sandberg@arm.com case Int_Status: return intStatus(); 2849646SChris.Emmons@arm.com 28511090Sandreas.sandberg@arm.com case Fb_Base: return fb_base; 28611090Sandreas.sandberg@arm.com case Fb_Line_Length: return fb_line_length; 28711090Sandreas.sandberg@arm.com case Fb_Line_Count: return fb_line_count; 28811090Sandreas.sandberg@arm.com case Fb_Line_Pitch: return fb_line_pitch; 28911090Sandreas.sandberg@arm.com case Bus_Options: return bus_options; 2909646SChris.Emmons@arm.com 29111090Sandreas.sandberg@arm.com case V_Sync: return v_sync; 29211090Sandreas.sandberg@arm.com case V_Back_Porch: return v_back_porch; 29311090Sandreas.sandberg@arm.com case V_Data: return v_data; 29411090Sandreas.sandberg@arm.com case V_Front_Porch: return v_front_porch; 29511090Sandreas.sandberg@arm.com case H_Sync: return h_sync; 29611090Sandreas.sandberg@arm.com case H_Back_Porch: return h_back_porch; 29711090Sandreas.sandberg@arm.com case H_Data: return h_data; 29811090Sandreas.sandberg@arm.com case H_Front_Porch: return h_front_porch; 29911090Sandreas.sandberg@arm.com case Polarities: return polarities; 30010839Sandreas.sandberg@arm.com 30111090Sandreas.sandberg@arm.com case Command: return command; 30211090Sandreas.sandberg@arm.com case Pixel_Format: return pixel_format; 30311090Sandreas.sandberg@arm.com case Red_Select: return red_select; 30411090Sandreas.sandberg@arm.com case Green_Select: return green_select; 30511090Sandreas.sandberg@arm.com case Blue_Select: return blue_select; 30610839Sandreas.sandberg@arm.com 30711090Sandreas.sandberg@arm.com default: 30811090Sandreas.sandberg@arm.com panic("Tried to read HDLCD register that doesn't exist\n", offset); 3099646SChris.Emmons@arm.com } 3109646SChris.Emmons@arm.com} 3119646SChris.Emmons@arm.com 3129646SChris.Emmons@arm.comvoid 31311090Sandreas.sandberg@arm.comHDLcd::writeReg(Addr offset, uint32_t value) 3149646SChris.Emmons@arm.com{ 31511090Sandreas.sandberg@arm.com switch (offset) { 31611090Sandreas.sandberg@arm.com case Version: 31711090Sandreas.sandberg@arm.com panic("HDLCD VERSION register is read-Only\n"); 3189646SChris.Emmons@arm.com 31911090Sandreas.sandberg@arm.com case Int_RawStat: 32011090Sandreas.sandberg@arm.com intRaise(value); 32111090Sandreas.sandberg@arm.com return; 32211090Sandreas.sandberg@arm.com case Int_Clear: 32311090Sandreas.sandberg@arm.com intClear(value); 32411090Sandreas.sandberg@arm.com return; 32511090Sandreas.sandberg@arm.com case Int_Mask: 32611090Sandreas.sandberg@arm.com intMask(value); 32711090Sandreas.sandberg@arm.com return; 32811090Sandreas.sandberg@arm.com case Int_Status: 32911090Sandreas.sandberg@arm.com panic("HDLCD INT_STATUS register is read-Only\n"); 33011090Sandreas.sandberg@arm.com break; 33111090Sandreas.sandberg@arm.com 33211090Sandreas.sandberg@arm.com case Fb_Base: 33311090Sandreas.sandberg@arm.com fb_base = value; 33411090Sandreas.sandberg@arm.com return; 33511090Sandreas.sandberg@arm.com 33611090Sandreas.sandberg@arm.com case Fb_Line_Length: 33711090Sandreas.sandberg@arm.com fb_line_length = value; 33811090Sandreas.sandberg@arm.com return; 33911090Sandreas.sandberg@arm.com 34011090Sandreas.sandberg@arm.com case Fb_Line_Count: 34111090Sandreas.sandberg@arm.com fb_line_count = value; 34211090Sandreas.sandberg@arm.com return; 34311090Sandreas.sandberg@arm.com 34411090Sandreas.sandberg@arm.com case Fb_Line_Pitch: 34511090Sandreas.sandberg@arm.com fb_line_pitch = value; 34611090Sandreas.sandberg@arm.com return; 34711090Sandreas.sandberg@arm.com 34811090Sandreas.sandberg@arm.com case Bus_Options: { 34911090Sandreas.sandberg@arm.com const BusOptsReg old_bus_options(bus_options); 35011090Sandreas.sandberg@arm.com bus_options = value; 35111090Sandreas.sandberg@arm.com 35211090Sandreas.sandberg@arm.com if (bus_options.max_outstanding != old_bus_options.max_outstanding) { 35311090Sandreas.sandberg@arm.com DPRINTF(HDLcd, 35411090Sandreas.sandberg@arm.com "Changing HDLcd outstanding DMA transactions: %d -> %d\n", 35511090Sandreas.sandberg@arm.com old_bus_options.max_outstanding, 35611090Sandreas.sandberg@arm.com bus_options.max_outstanding); 35711090Sandreas.sandberg@arm.com 35811090Sandreas.sandberg@arm.com } 35911090Sandreas.sandberg@arm.com 36011090Sandreas.sandberg@arm.com if (bus_options.burst_len != old_bus_options.burst_len) { 36111090Sandreas.sandberg@arm.com DPRINTF(HDLcd, 36211090Sandreas.sandberg@arm.com "Changing HDLcd DMA burst flags: 0x%x -> 0x%x\n", 36311090Sandreas.sandberg@arm.com old_bus_options.burst_len, bus_options.burst_len); 36411090Sandreas.sandberg@arm.com } 36511090Sandreas.sandberg@arm.com } return; 36611090Sandreas.sandberg@arm.com 36711090Sandreas.sandberg@arm.com case V_Sync: 36811090Sandreas.sandberg@arm.com v_sync = value; 36911090Sandreas.sandberg@arm.com return; 37011090Sandreas.sandberg@arm.com case V_Back_Porch: 37111090Sandreas.sandberg@arm.com v_back_porch = value; 37211090Sandreas.sandberg@arm.com return; 37311090Sandreas.sandberg@arm.com case V_Data: 37411090Sandreas.sandberg@arm.com v_data = value; 37511090Sandreas.sandberg@arm.com return; 37611090Sandreas.sandberg@arm.com case V_Front_Porch: 37711090Sandreas.sandberg@arm.com v_front_porch = value; 37811090Sandreas.sandberg@arm.com return; 37911090Sandreas.sandberg@arm.com 38011090Sandreas.sandberg@arm.com case H_Sync: 38111090Sandreas.sandberg@arm.com h_sync = value; 38211090Sandreas.sandberg@arm.com return; 38311090Sandreas.sandberg@arm.com case H_Back_Porch: 38411090Sandreas.sandberg@arm.com h_back_porch = value; 38511090Sandreas.sandberg@arm.com return; 38611090Sandreas.sandberg@arm.com case H_Data: 38711090Sandreas.sandberg@arm.com h_data = value; 38811090Sandreas.sandberg@arm.com return; 38911090Sandreas.sandberg@arm.com case H_Front_Porch: 39011090Sandreas.sandberg@arm.com h_front_porch = value; 39111090Sandreas.sandberg@arm.com return; 39211090Sandreas.sandberg@arm.com 39311090Sandreas.sandberg@arm.com case Polarities: 39411090Sandreas.sandberg@arm.com polarities = value; 39511090Sandreas.sandberg@arm.com return; 39611090Sandreas.sandberg@arm.com 39711090Sandreas.sandberg@arm.com case Command: { 39811090Sandreas.sandberg@arm.com const CommandReg new_command(value); 39911090Sandreas.sandberg@arm.com 40011090Sandreas.sandberg@arm.com if (new_command.enable != command.enable) { 40111090Sandreas.sandberg@arm.com DPRINTF(HDLcd, "HDLCD switched %s\n", 40211090Sandreas.sandberg@arm.com new_command.enable ? "on" : "off"); 40311090Sandreas.sandberg@arm.com 40411090Sandreas.sandberg@arm.com if (new_command.enable) { 40511090Sandreas.sandberg@arm.com cmdEnable(); 40611090Sandreas.sandberg@arm.com } else { 40711090Sandreas.sandberg@arm.com cmdDisable(); 40811090Sandreas.sandberg@arm.com } 40911090Sandreas.sandberg@arm.com } 41011090Sandreas.sandberg@arm.com command = new_command; 41111090Sandreas.sandberg@arm.com } return; 41211090Sandreas.sandberg@arm.com 41311090Sandreas.sandberg@arm.com case Pixel_Format: 41411090Sandreas.sandberg@arm.com pixel_format = value; 41511090Sandreas.sandberg@arm.com return; 41611090Sandreas.sandberg@arm.com 41711090Sandreas.sandberg@arm.com case Red_Select: 41811090Sandreas.sandberg@arm.com red_select = value; 41911090Sandreas.sandberg@arm.com return; 42011090Sandreas.sandberg@arm.com case Green_Select: 42111090Sandreas.sandberg@arm.com green_select = value; 42211090Sandreas.sandberg@arm.com return; 42311090Sandreas.sandberg@arm.com case Blue_Select: 42411090Sandreas.sandberg@arm.com blue_select = value; 42511090Sandreas.sandberg@arm.com return; 42611090Sandreas.sandberg@arm.com 42711090Sandreas.sandberg@arm.com default: 42811090Sandreas.sandberg@arm.com panic("Tried to write HDLCD register that doesn't exist\n", offset); 42911090Sandreas.sandberg@arm.com return; 4309646SChris.Emmons@arm.com } 4319646SChris.Emmons@arm.com} 4329646SChris.Emmons@arm.com 43310839Sandreas.sandberg@arm.comPixelConverter 43410839Sandreas.sandberg@arm.comHDLcd::pixelConverter() const 43510839Sandreas.sandberg@arm.com{ 43610840Sandreas.sandberg@arm.com ByteOrder byte_order( 43710839Sandreas.sandberg@arm.com pixel_format.big_endian ? BigEndianByteOrder : LittleEndianByteOrder); 43810840Sandreas.sandberg@arm.com 43910840Sandreas.sandberg@arm.com /* Some Linux kernels have a broken driver that swaps the red and 44010840Sandreas.sandberg@arm.com * blue color select registers. */ 44111090Sandreas.sandberg@arm.com if (!workaroundSwapRB) { 44210840Sandreas.sandberg@arm.com return PixelConverter( 44311090Sandreas.sandberg@arm.com pixel_format.bytes_per_pixel + 1, 44410840Sandreas.sandberg@arm.com red_select.offset, green_select.offset, blue_select.offset, 44510840Sandreas.sandberg@arm.com red_select.size, green_select.size, blue_select.size, 44610840Sandreas.sandberg@arm.com byte_order); 44710840Sandreas.sandberg@arm.com } else { 44810840Sandreas.sandberg@arm.com return PixelConverter( 44911090Sandreas.sandberg@arm.com pixel_format.bytes_per_pixel + 1, 45010840Sandreas.sandberg@arm.com blue_select.offset, green_select.offset, red_select.offset, 45110840Sandreas.sandberg@arm.com blue_select.size, green_select.size, red_select.size, 45210840Sandreas.sandberg@arm.com byte_order); 45310840Sandreas.sandberg@arm.com } 45410839Sandreas.sandberg@arm.com} 45510839Sandreas.sandberg@arm.com 45611090Sandreas.sandberg@arm.comDisplayTimings 45711090Sandreas.sandberg@arm.comHDLcd::displayTimings() const 45811090Sandreas.sandberg@arm.com{ 45911090Sandreas.sandberg@arm.com return DisplayTimings( 46011090Sandreas.sandberg@arm.com h_data.val + 1, v_data.val + 1, 46111090Sandreas.sandberg@arm.com h_back_porch.val + 1, h_sync.val + 1, h_front_porch.val + 1, 46211090Sandreas.sandberg@arm.com v_back_porch.val + 1, v_sync.val + 1, v_front_porch.val + 1); 46311090Sandreas.sandberg@arm.com} 46411090Sandreas.sandberg@arm.com 4659646SChris.Emmons@arm.comvoid 46611090Sandreas.sandberg@arm.comHDLcd::createDmaEngine() 46711090Sandreas.sandberg@arm.com{ 46811090Sandreas.sandberg@arm.com if (bus_options.max_outstanding == 0) { 46911090Sandreas.sandberg@arm.com warn("Maximum number of outstanding DMA transfers set to 0."); 47011090Sandreas.sandberg@arm.com return; 47111090Sandreas.sandberg@arm.com } 4729646SChris.Emmons@arm.com 47311090Sandreas.sandberg@arm.com const uint32_t dma_burst_flags(bus_options.burst_len); 47411090Sandreas.sandberg@arm.com const uint32_t dma_burst_len( 47511090Sandreas.sandberg@arm.com dma_burst_flags ? 47611090Sandreas.sandberg@arm.com (1UL << (findMsbSet(dma_burst_flags) - 1)) : 47711090Sandreas.sandberg@arm.com MAX_BURST_LEN); 47811090Sandreas.sandberg@arm.com // Some drivers seem to set the DMA line count incorrectly. This 47911090Sandreas.sandberg@arm.com // could either be a driver bug or a specification bug. Unlike for 48011090Sandreas.sandberg@arm.com // timings, the specification does not require 1 to be added to 48111090Sandreas.sandberg@arm.com // the DMA engine's line count. 48211090Sandreas.sandberg@arm.com const uint32_t dma_lines( 48311090Sandreas.sandberg@arm.com fb_line_count + (workaroundDmaLineCount ? 1 : 0)); 48411090Sandreas.sandberg@arm.com 48511090Sandreas.sandberg@arm.com dmaEngine.reset(new DmaEngine( 48611090Sandreas.sandberg@arm.com *this, pixelBufferSize, 48711090Sandreas.sandberg@arm.com AXI_PORT_WIDTH * dma_burst_len, 48811090Sandreas.sandberg@arm.com bus_options.max_outstanding, 48911090Sandreas.sandberg@arm.com fb_line_length, fb_line_pitch, dma_lines)); 49011090Sandreas.sandberg@arm.com} 49111090Sandreas.sandberg@arm.com 49211090Sandreas.sandberg@arm.comvoid 49311090Sandreas.sandberg@arm.comHDLcd::cmdEnable() 49411090Sandreas.sandberg@arm.com{ 49511090Sandreas.sandberg@arm.com createDmaEngine(); 49611090Sandreas.sandberg@arm.com conv = pixelConverter(); 49711897Ssudhanshu.jha@arm.com 49811897Ssudhanshu.jha@arm.com // Update timing parameter before rendering frames 49911897Ssudhanshu.jha@arm.com pixelPump.updateTimings(displayTimings()); 50011898Ssudhanshu.jha@arm.com 50111898Ssudhanshu.jha@arm.com if (sys->bypassCaches()) { 50211898Ssudhanshu.jha@arm.com schedule(virtRefreshEvent, clockEdge()); 50311898Ssudhanshu.jha@arm.com } else { 50411898Ssudhanshu.jha@arm.com pixelPump.start(); 50511898Ssudhanshu.jha@arm.com } 50611090Sandreas.sandberg@arm.com} 50711090Sandreas.sandberg@arm.com 50811090Sandreas.sandberg@arm.comvoid 50911090Sandreas.sandberg@arm.comHDLcd::cmdDisable() 51011090Sandreas.sandberg@arm.com{ 51111090Sandreas.sandberg@arm.com pixelPump.stop(); 51211898Ssudhanshu.jha@arm.com // Disable the virtual refresh event 51311898Ssudhanshu.jha@arm.com if (virtRefreshEvent.scheduled()) { 51411898Ssudhanshu.jha@arm.com assert(sys->bypassCaches()); 51511898Ssudhanshu.jha@arm.com deschedule(virtRefreshEvent); 51611898Ssudhanshu.jha@arm.com } 51711090Sandreas.sandberg@arm.com dmaEngine->abortFrame(); 51811090Sandreas.sandberg@arm.com} 51911090Sandreas.sandberg@arm.com 52011090Sandreas.sandberg@arm.combool 52111090Sandreas.sandberg@arm.comHDLcd::pxlNext(Pixel &p) 52211090Sandreas.sandberg@arm.com{ 52311090Sandreas.sandberg@arm.com uint8_t pixel_data[MAX_PIXEL_SIZE]; 52411090Sandreas.sandberg@arm.com assert(conv.length <= sizeof(pixel_data)); 52511090Sandreas.sandberg@arm.com if (dmaEngine->tryGet(pixel_data, conv.length)) { 52611090Sandreas.sandberg@arm.com p = conv.toPixel(pixel_data); 52711090Sandreas.sandberg@arm.com return true; 52811090Sandreas.sandberg@arm.com } else { 52911090Sandreas.sandberg@arm.com return false; 53011090Sandreas.sandberg@arm.com } 53111090Sandreas.sandberg@arm.com} 53211090Sandreas.sandberg@arm.com 53311090Sandreas.sandberg@arm.comvoid 53411090Sandreas.sandberg@arm.comHDLcd::pxlVSyncBegin() 53511090Sandreas.sandberg@arm.com{ 53611090Sandreas.sandberg@arm.com DPRINTF(HDLcd, "Raising VSYNC interrupt.\n"); 53711090Sandreas.sandberg@arm.com intRaise(INT_VSYNC); 53811090Sandreas.sandberg@arm.com} 53911090Sandreas.sandberg@arm.com 54011090Sandreas.sandberg@arm.comvoid 54111090Sandreas.sandberg@arm.comHDLcd::pxlVSyncEnd() 54211090Sandreas.sandberg@arm.com{ 54311090Sandreas.sandberg@arm.com DPRINTF(HDLcd, "End of VSYNC, starting DMA engine\n"); 54411090Sandreas.sandberg@arm.com dmaEngine->startFrame(fb_base); 54511090Sandreas.sandberg@arm.com} 54611090Sandreas.sandberg@arm.com 54711090Sandreas.sandberg@arm.comvoid 54811090Sandreas.sandberg@arm.comHDLcd::pxlUnderrun() 54911090Sandreas.sandberg@arm.com{ 55011090Sandreas.sandberg@arm.com DPRINTF(HDLcd, "Buffer underrun, stopping DMA fill.\n"); 55111091Sandreas.sandberg@arm.com ++stats.underruns; 55211090Sandreas.sandberg@arm.com intRaise(INT_UNDERRUN); 55311090Sandreas.sandberg@arm.com dmaEngine->abortFrame(); 55411090Sandreas.sandberg@arm.com} 55511090Sandreas.sandberg@arm.com 55611090Sandreas.sandberg@arm.comvoid 55711090Sandreas.sandberg@arm.comHDLcd::pxlFrameDone() 55811090Sandreas.sandberg@arm.com{ 55911090Sandreas.sandberg@arm.com DPRINTF(HDLcd, "Reached end of last visible line.\n"); 56011090Sandreas.sandberg@arm.com 56111090Sandreas.sandberg@arm.com if (dmaEngine->size()) { 56211090Sandreas.sandberg@arm.com warn("HDLCD %u bytes still in FIFO after frame: Ensure that DMA " 56311090Sandreas.sandberg@arm.com "and PixelPump configuration is consistent\n", 56411090Sandreas.sandberg@arm.com dmaEngine->size()); 56511090Sandreas.sandberg@arm.com dmaEngine->dumpSettings(); 56611090Sandreas.sandberg@arm.com pixelPump.dumpSettings(); 56711090Sandreas.sandberg@arm.com } 56810839Sandreas.sandberg@arm.com 5699646SChris.Emmons@arm.com if (vnc) 5709646SChris.Emmons@arm.com vnc->setDirty(); 5719646SChris.Emmons@arm.com 5729939Sdam.sunwoo@arm.com if (enableCapture) { 57311090Sandreas.sandberg@arm.com if (!pic) { 57411090Sandreas.sandberg@arm.com pic = simout.create( 57511090Sandreas.sandberg@arm.com csprintf("%s.framebuffer.bmp", sys->name()), 57611090Sandreas.sandberg@arm.com true); 57711090Sandreas.sandberg@arm.com } 5789646SChris.Emmons@arm.com 5799939Sdam.sunwoo@arm.com assert(pic); 58011359Sandreas@sandberg.pp.se pic->stream()->seekp(0); 58111359Sandreas@sandberg.pp.se bmp.write(*pic->stream()); 5829939Sdam.sunwoo@arm.com } 5839646SChris.Emmons@arm.com} 5849646SChris.Emmons@arm.com 5859646SChris.Emmons@arm.comvoid 58611090Sandreas.sandberg@arm.comHDLcd::setInterrupts(uint32_t ints, uint32_t mask) 5879646SChris.Emmons@arm.com{ 58811090Sandreas.sandberg@arm.com const bool old_ints(intStatus()); 5899646SChris.Emmons@arm.com 59011090Sandreas.sandberg@arm.com int_mask = mask; 59111090Sandreas.sandberg@arm.com int_rawstat = ints; 5929646SChris.Emmons@arm.com 59311090Sandreas.sandberg@arm.com if (!old_ints && intStatus()) { 59411090Sandreas.sandberg@arm.com gic->sendInt(intNum); 59511090Sandreas.sandberg@arm.com } else if (old_ints && !intStatus()) { 59611090Sandreas.sandberg@arm.com gic->clearInt(intNum); 5979646SChris.Emmons@arm.com } 5989646SChris.Emmons@arm.com} 5999646SChris.Emmons@arm.com 60011090Sandreas.sandberg@arm.comHDLcd::DmaEngine::DmaEngine(HDLcd &_parent, size_t size, 60111090Sandreas.sandberg@arm.com unsigned request_size, unsigned max_pending, 60211090Sandreas.sandberg@arm.com size_t line_size, ssize_t line_pitch, unsigned num_lines) 60311090Sandreas.sandberg@arm.com : DmaReadFifo( 60411090Sandreas.sandberg@arm.com _parent.dmaPort, size, request_size, max_pending, 60511090Sandreas.sandberg@arm.com Request::UNCACHEABLE), 60611090Sandreas.sandberg@arm.com parent(_parent), 60711090Sandreas.sandberg@arm.com lineSize(line_size), linePitch(line_pitch), numLines(num_lines), 60811090Sandreas.sandberg@arm.com nextLineAddr(0) 6099646SChris.Emmons@arm.com{ 6109646SChris.Emmons@arm.com} 6119646SChris.Emmons@arm.com 6129646SChris.Emmons@arm.comvoid 61311090Sandreas.sandberg@arm.comHDLcd::DmaEngine::serialize(CheckpointOut &cp) const 6149646SChris.Emmons@arm.com{ 61511090Sandreas.sandberg@arm.com DmaReadFifo::serialize(cp); 6169646SChris.Emmons@arm.com 61711090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(nextLineAddr); 61811090Sandreas.sandberg@arm.com SERIALIZE_SCALAR(frameEnd); 6199646SChris.Emmons@arm.com} 6209646SChris.Emmons@arm.com 6219646SChris.Emmons@arm.comvoid 62211090Sandreas.sandberg@arm.comHDLcd::DmaEngine::unserialize(CheckpointIn &cp) 6239646SChris.Emmons@arm.com{ 62411090Sandreas.sandberg@arm.com DmaReadFifo::unserialize(cp); 6259646SChris.Emmons@arm.com 62611090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(nextLineAddr); 62711090Sandreas.sandberg@arm.com UNSERIALIZE_SCALAR(frameEnd); 6289646SChris.Emmons@arm.com} 6299646SChris.Emmons@arm.com 63011090Sandreas.sandberg@arm.comvoid 63111090Sandreas.sandberg@arm.comHDLcd::DmaEngine::startFrame(Addr fb_base) 6329646SChris.Emmons@arm.com{ 63311090Sandreas.sandberg@arm.com nextLineAddr = fb_base; 63411090Sandreas.sandberg@arm.com frameEnd = fb_base + numLines * linePitch; 63511090Sandreas.sandberg@arm.com 63611090Sandreas.sandberg@arm.com startFill(nextLineAddr, lineSize); 6379646SChris.Emmons@arm.com} 6389646SChris.Emmons@arm.com 63911090Sandreas.sandberg@arm.comvoid 64011090Sandreas.sandberg@arm.comHDLcd::DmaEngine::abortFrame() 64111090Sandreas.sandberg@arm.com{ 64211090Sandreas.sandberg@arm.com nextLineAddr = frameEnd; 64311090Sandreas.sandberg@arm.com stopFill(); 64411090Sandreas.sandberg@arm.com flush(); 64511090Sandreas.sandberg@arm.com} 64611090Sandreas.sandberg@arm.com 64711090Sandreas.sandberg@arm.com 64811090Sandreas.sandberg@arm.comvoid 64911090Sandreas.sandberg@arm.comHDLcd::DmaEngine::dumpSettings() 65011090Sandreas.sandberg@arm.com{ 65111090Sandreas.sandberg@arm.com inform("DMA line size: %u bytes", lineSize); 65211090Sandreas.sandberg@arm.com inform("DMA line pitch: %i bytes", linePitch); 65311090Sandreas.sandberg@arm.com inform("DMA num lines: %u", numLines); 65411090Sandreas.sandberg@arm.com} 65511090Sandreas.sandberg@arm.com 65611090Sandreas.sandberg@arm.comvoid 65711090Sandreas.sandberg@arm.comHDLcd::DmaEngine::onEndOfBlock() 65811090Sandreas.sandberg@arm.com{ 65911090Sandreas.sandberg@arm.com if (nextLineAddr == frameEnd) 66011090Sandreas.sandberg@arm.com // We're done with this frame. Ignore calls to this method 66111090Sandreas.sandberg@arm.com // until the next frame has been started. 66211090Sandreas.sandberg@arm.com return; 66311090Sandreas.sandberg@arm.com 66411090Sandreas.sandberg@arm.com nextLineAddr += linePitch; 66511090Sandreas.sandberg@arm.com if (nextLineAddr != frameEnd) 66611090Sandreas.sandberg@arm.com startFill(nextLineAddr, lineSize); 66711090Sandreas.sandberg@arm.com} 66811090Sandreas.sandberg@arm.com 66911090Sandreas.sandberg@arm.comvoid 67011090Sandreas.sandberg@arm.comHDLcd::DmaEngine::onIdle() 67111090Sandreas.sandberg@arm.com{ 67211090Sandreas.sandberg@arm.com parent.intRaise(INT_DMA_END); 67311090Sandreas.sandberg@arm.com} 67411090Sandreas.sandberg@arm.com 67511090Sandreas.sandberg@arm.comvoid 67611090Sandreas.sandberg@arm.comHDLcd::PixelPump::dumpSettings() 67711090Sandreas.sandberg@arm.com{ 67811090Sandreas.sandberg@arm.com const DisplayTimings &t(timings()); 67911090Sandreas.sandberg@arm.com 68011090Sandreas.sandberg@arm.com inform("PixelPump width: %u", t.width); 68111090Sandreas.sandberg@arm.com inform("PixelPump height: %u", t.height); 68211090Sandreas.sandberg@arm.com 68311090Sandreas.sandberg@arm.com inform("PixelPump horizontal back porch: %u", t.hBackPorch); 68411090Sandreas.sandberg@arm.com inform("PixelPump horizontal fron porch: %u", t.hFrontPorch); 68511090Sandreas.sandberg@arm.com inform("PixelPump horizontal fron porch: %u", t.hSync); 68611090Sandreas.sandberg@arm.com 68711090Sandreas.sandberg@arm.com inform("PixelPump vertical back porch: %u", t.vBackPorch); 68811090Sandreas.sandberg@arm.com inform("PixelPump vertical fron porch: %u", t.vFrontPorch); 68911090Sandreas.sandberg@arm.com inform("PixelPump vertical fron porch: %u", t.vSync); 69011090Sandreas.sandberg@arm.com} 69111090Sandreas.sandberg@arm.com 69211090Sandreas.sandberg@arm.com 6939646SChris.Emmons@arm.comHDLcd * 6949646SChris.Emmons@arm.comHDLcdParams::create() 6959646SChris.Emmons@arm.com{ 6969646SChris.Emmons@arm.com return new HDLcd(this); 6979646SChris.Emmons@arm.com} 698