You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
417 lines
15 KiB
417 lines
15 KiB
/*
|
|
* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
* * Neither the name of The Linux Foundation. nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef OVERLAY_H
|
|
#define OVERLAY_H
|
|
|
|
#include "overlayUtils.h"
|
|
#include "mdp_version.h"
|
|
#include "utils/threads.h"
|
|
|
|
struct MetaData_t;
|
|
|
|
namespace overlay {
|
|
class GenericPipe;
|
|
|
|
class Overlay : utils::NoCopy {
|
|
public:
|
|
enum { DMA_BLOCK_MODE, DMA_LINE_MODE };
|
|
//Abstract Display types. Each backed by a LayerMixer,
|
|
//represented by a fb node.
|
|
//High res panels can be backed by 2 layer mixers and a single fb node.
|
|
enum { DPY_PRIMARY, DPY_EXTERNAL, DPY_WRITEBACK, DPY_UNUSED };
|
|
enum { DPY_MAX = DPY_UNUSED };
|
|
enum { MIXER_LEFT, MIXER_RIGHT, MIXER_UNUSED };
|
|
enum { MIXER_DEFAULT = MIXER_LEFT, MIXER_MAX = MIXER_UNUSED };
|
|
enum { MAX_FB_DEVICES = DPY_MAX };
|
|
enum { FORMAT_YUV, FORMAT_RGB };
|
|
|
|
struct PipeSpecs {
|
|
PipeSpecs() : formatClass(FORMAT_RGB), needsScaling(false), fb(false),
|
|
dpy(DPY_PRIMARY), mixer(MIXER_DEFAULT), numActiveDisplays(1) {}
|
|
int formatClass;
|
|
bool needsScaling;
|
|
bool fb;
|
|
int dpy;
|
|
int mixer;
|
|
int numActiveDisplays;
|
|
};
|
|
|
|
/* dtor close */
|
|
~Overlay();
|
|
|
|
/* Marks the beginning of a drawing round, resets usage bits on pipes
|
|
* Should be called when drawing begins before any pipe config is done.
|
|
*/
|
|
void configBegin();
|
|
|
|
/* Marks the end of config for this drawing round
|
|
* Will do garbage collection of pipe objects and thus calling UNSETs,
|
|
* closing FDs, removing rotator objects and memory, if allocated.
|
|
* Should be called after all pipe configs are done.
|
|
*/
|
|
void configDone();
|
|
|
|
/* Get a pipe that supported the specified format class (yuv, rgb) and has
|
|
* scaling capabilities.
|
|
*/
|
|
utils::eDest getPipe(const PipeSpecs& pipeSpecs);
|
|
/* Returns the eDest corresponding to an already allocated pipeid.
|
|
* Useful for the reservation case, when libvpu reserves the pipe at its
|
|
* end, and expect the overlay to allocate a given pipe for a layer.
|
|
*/
|
|
utils::eDest reservePipe(int pipeid);
|
|
/* getting dest for the given pipeid */
|
|
utils::eDest getDest(int pipeid);
|
|
/* getting overlay.pipeid for the given dest */
|
|
int getPipeId(utils::eDest dest);
|
|
|
|
void setSource(const utils::PipeArgs args, utils::eDest dest);
|
|
void setCrop(const utils::Dim& d, utils::eDest dest);
|
|
void setColor(const uint32_t color, utils::eDest dest);
|
|
void setTransform(const int orientation, utils::eDest dest);
|
|
void setPosition(const utils::Dim& dim, utils::eDest dest);
|
|
void setVisualParams(const MetaData_t& data, utils::eDest dest);
|
|
bool commit(utils::eDest dest);
|
|
bool queueBuffer(int fd, uint32_t offset, utils::eDest dest);
|
|
|
|
/* pipe reservation session is running */
|
|
bool sessionInProgress(utils::eDest dest);
|
|
/* pipe reservation session has ended*/
|
|
bool isSessionEnded(utils::eDest dest);
|
|
/* start session for the pipe reservation */
|
|
void startSession(utils::eDest dest);
|
|
/* end all started sesisons */
|
|
void endAllSessions();
|
|
/* Returns available ("unallocated") pipes for a display's mixer */
|
|
int availablePipes(int dpy, int mixer);
|
|
/* Returns available ("unallocated") pipes for a display */
|
|
int availablePipes(int dpy);
|
|
/* Returns available ("unallocated") pipe of given type for a display */
|
|
int availablePipes(int dpy, utils::eMdpPipeType type);
|
|
/* Returns if any of the requested pipe type is attached to any of the
|
|
* displays
|
|
*/
|
|
bool isPipeTypeAttached(utils::eMdpPipeType type);
|
|
/* Compare pipe priorities and return
|
|
* 1 if 1st pipe has a higher priority
|
|
* 0 if both have the same priority
|
|
*-1 if 2nd pipe has a higher priority
|
|
*/
|
|
int comparePipePriority(utils::eDest pipe1Index, utils::eDest pipe2Index);
|
|
/* Returns pipe dump. Expects a NULL terminated buffer of big enough size
|
|
* to populate.
|
|
*/
|
|
/* Returns if DMA pipe multiplexing is supported by the mdss driver */
|
|
static bool isDMAMultiplexingSupported();
|
|
/* Returns if UI scaling on external is supported on the targets */
|
|
static bool isUIScalingOnExternalSupported();
|
|
void getDump(char *buf, size_t len);
|
|
/* Reset usage and allocation bits on all pipes for given display */
|
|
void clear(int dpy);
|
|
/* Validate the set of pipes for a display and set them in driver */
|
|
bool validateAndSet(const int& dpy, const int& fbFd);
|
|
|
|
/* Closes open pipes, called during startup */
|
|
static int initOverlay();
|
|
/* Returns the singleton instance of overlay */
|
|
static Overlay* getInstance();
|
|
static void setDMAMode(const int& mode);
|
|
static int getDMAMode();
|
|
/* Returns the framebuffer node backing up the display */
|
|
static int getFbForDpy(const int& dpy);
|
|
|
|
static bool displayCommit(const int& fd);
|
|
/* Overloads display commit with ROI's of each halves.
|
|
* Single interface panels will only update left ROI. */
|
|
static bool displayCommit(const int& fd, const utils::Dim& lRoi,
|
|
const utils::Dim& rRoi);
|
|
|
|
private:
|
|
/* Ctor setup */
|
|
explicit Overlay();
|
|
/*Validate index range, abort if invalid */
|
|
void validate(int index);
|
|
static void setDMAMultiplexingSupported();
|
|
void dump() const;
|
|
/* Returns an available pipe based on the type of pipe requested. When ANY
|
|
* is requested, the first available VG or RGB is returned. If no pipe is
|
|
* available for the display "dpy" then INV is returned. Note: If a pipe is
|
|
* assigned to a certain display, then it cannot be assigned to another
|
|
* display without being garbage-collected once. To add if a pipe is
|
|
* asisgned to a mixer within a display it cannot be reused for another
|
|
* mixer without being UNSET once*/
|
|
utils::eDest nextPipe(utils::eMdpPipeType, int dpy, int mixer);
|
|
/* Helpers that enfore target specific policies while returning pipes */
|
|
utils::eDest getPipe_8x26(const PipeSpecs& pipeSpecs);
|
|
utils::eDest getPipe_8x16(const PipeSpecs& pipeSpecs);
|
|
utils::eDest getPipe_8x39(const PipeSpecs& pipeSpecs);
|
|
|
|
/* Returns the handle to libscale.so's programScale function */
|
|
static int (*getFnProgramScale())(struct mdp_overlay_list *);
|
|
/* Creates a scalar object using libscale.so */
|
|
static void initScalar();
|
|
/* Destroys the scalar object using libscale.so */
|
|
static void destroyScalar();
|
|
/* Sets the pipe type RGB/VG/DMA*/
|
|
void setPipeType(utils::eDest pipeIndex, const utils::eMdpPipeType pType);
|
|
|
|
/* Just like a Facebook for pipes, but much less profile info */
|
|
struct PipeBook {
|
|
void init();
|
|
void destroy();
|
|
/* Check if pipe exists and return true, false otherwise */
|
|
bool valid();
|
|
|
|
/* Hardware pipe wrapper */
|
|
GenericPipe *mPipe;
|
|
/* Display using this pipe. Refer to enums above */
|
|
int mDisplay;
|
|
/* Mixer within a split display this pipe is attached to */
|
|
int mMixer;
|
|
|
|
/* operations on bitmap */
|
|
static bool pipeUsageUnchanged();
|
|
static void setUse(int index);
|
|
static void resetUse(int index);
|
|
static bool isUsed(int index);
|
|
static bool isNotUsed(int index);
|
|
static void save();
|
|
|
|
static void setAllocation(int index);
|
|
static void resetAllocation(int index);
|
|
static bool isAllocated(int index);
|
|
static bool isNotAllocated(int index);
|
|
|
|
static utils::eMdpPipeType getPipeType(utils::eDest dest);
|
|
static const char* getDestStr(utils::eDest dest);
|
|
|
|
static int NUM_PIPES;
|
|
static utils::eMdpPipeType pipeTypeLUT[utils::OV_MAX];
|
|
/* Session for reserved pipes */
|
|
enum Session {
|
|
NONE,
|
|
START,
|
|
END
|
|
};
|
|
Session mSession;
|
|
|
|
private:
|
|
//usage tracks if a successful commit happened. So a pipe could be
|
|
//allocated to a display, but it may not end up using it for various
|
|
//reasons. If one display actually uses a pipe then it amy not be
|
|
//used by another display, without an UNSET in between.
|
|
static int sPipeUsageBitmap;
|
|
static int sLastUsageBitmap;
|
|
//Tracks which pipe objects are allocated. This does not imply that they
|
|
//will actually be used. For example, a display might choose to acquire
|
|
//3 pipe objects in one shot and proceed with config only if it gets all
|
|
//3. The bitmap helps allocate different pipe objects on each request.
|
|
static int sAllocatedBitmap;
|
|
};
|
|
|
|
PipeBook mPipeBook[utils::OV_INVALID]; //Used as max
|
|
|
|
/* Dump string */
|
|
char mDumpStr[1024];
|
|
|
|
/* Singleton Instance*/
|
|
static Overlay *sInstance;
|
|
static int sDpyFbMap[DPY_MAX];
|
|
static int sDMAMode;
|
|
static bool sDMAMultiplexingSupported;
|
|
static void *sLibScaleHandle;
|
|
static int (*sFnProgramScale)(struct mdp_overlay_list *);
|
|
|
|
friend class MdpCtrl;
|
|
};
|
|
|
|
inline void Overlay::validate(int index) {
|
|
OVASSERT(index >=0 && index < PipeBook::NUM_PIPES, \
|
|
"%s, Index out of bounds: %d", __FUNCTION__, index);
|
|
OVASSERT(mPipeBook[index].valid(), "Pipe does not exist %s",
|
|
PipeBook::getDestStr((utils::eDest)index));
|
|
}
|
|
|
|
inline int Overlay::availablePipes(int dpy, int mixer) {
|
|
int avail = 0;
|
|
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
|
|
if( (mPipeBook[i].mDisplay == DPY_UNUSED ||
|
|
mPipeBook[i].mDisplay == dpy) &&
|
|
(mPipeBook[i].mMixer == MIXER_UNUSED ||
|
|
mPipeBook[i].mMixer == mixer) &&
|
|
PipeBook::isNotAllocated(i) &&
|
|
!(Overlay::getDMAMode() == Overlay::DMA_BLOCK_MODE &&
|
|
PipeBook::getPipeType((utils::eDest)i) ==
|
|
utils::OV_MDP_PIPE_DMA)) {
|
|
avail++;
|
|
}
|
|
}
|
|
return avail;
|
|
}
|
|
|
|
inline int Overlay::availablePipes(int dpy) {
|
|
int avail = 0;
|
|
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
|
|
if( (mPipeBook[i].mDisplay == DPY_UNUSED ||
|
|
mPipeBook[i].mDisplay == dpy) &&
|
|
PipeBook::isNotAllocated(i) &&
|
|
!(Overlay::getDMAMode() == Overlay::DMA_BLOCK_MODE &&
|
|
PipeBook::getPipeType((utils::eDest)i) ==
|
|
utils::OV_MDP_PIPE_DMA)) {
|
|
avail++;
|
|
}
|
|
}
|
|
return avail;
|
|
}
|
|
|
|
inline int Overlay::availablePipes(int dpy, utils::eMdpPipeType type) {
|
|
int avail = 0;
|
|
for(int i = 0; i < PipeBook::NUM_PIPES; i++) {
|
|
if((mPipeBook[i].mDisplay == DPY_UNUSED ||
|
|
mPipeBook[i].mDisplay == dpy) &&
|
|
PipeBook::isNotAllocated(i) &&
|
|
type == PipeBook::getPipeType((utils::eDest)i)) {
|
|
avail++;
|
|
}
|
|
}
|
|
return avail;
|
|
}
|
|
|
|
inline void Overlay::setDMAMode(const int& mode) {
|
|
if(mode == DMA_LINE_MODE || mode == DMA_BLOCK_MODE)
|
|
sDMAMode = mode;
|
|
}
|
|
|
|
inline void Overlay::setDMAMultiplexingSupported() {
|
|
sDMAMultiplexingSupported = false;
|
|
if(qdutils::MDPVersion::getInstance().is8x26())
|
|
sDMAMultiplexingSupported = true;
|
|
}
|
|
|
|
inline bool Overlay::isDMAMultiplexingSupported() {
|
|
return sDMAMultiplexingSupported;
|
|
}
|
|
|
|
inline bool Overlay::isUIScalingOnExternalSupported() {
|
|
if(qdutils::MDPVersion::getInstance().is8x26() or
|
|
qdutils::MDPVersion::getInstance().is8x16() or
|
|
qdutils::MDPVersion::getInstance().is8x39()) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
inline int Overlay::getDMAMode() {
|
|
return sDMAMode;
|
|
}
|
|
|
|
inline int Overlay::getFbForDpy(const int& dpy) {
|
|
OVASSERT(dpy >= 0 && dpy < DPY_MAX, "Invalid dpy %d", dpy);
|
|
return sDpyFbMap[dpy];
|
|
}
|
|
|
|
inline int (*Overlay::getFnProgramScale())(struct mdp_overlay_list *) {
|
|
return sFnProgramScale;
|
|
}
|
|
|
|
inline bool Overlay::PipeBook::valid() {
|
|
return (mPipe != NULL);
|
|
}
|
|
|
|
inline bool Overlay::PipeBook::pipeUsageUnchanged() {
|
|
return (sPipeUsageBitmap == sLastUsageBitmap);
|
|
}
|
|
|
|
inline void Overlay::PipeBook::setUse(int index) {
|
|
sPipeUsageBitmap |= (1 << index);
|
|
}
|
|
|
|
inline void Overlay::PipeBook::resetUse(int index) {
|
|
sPipeUsageBitmap &= ~(1 << index);
|
|
}
|
|
|
|
inline bool Overlay::PipeBook::isUsed(int index) {
|
|
return sPipeUsageBitmap & (1 << index);
|
|
}
|
|
|
|
inline bool Overlay::PipeBook::isNotUsed(int index) {
|
|
return !isUsed(index);
|
|
}
|
|
|
|
inline void Overlay::PipeBook::save() {
|
|
sLastUsageBitmap = sPipeUsageBitmap;
|
|
}
|
|
|
|
inline void Overlay::PipeBook::setAllocation(int index) {
|
|
sAllocatedBitmap |= (1 << index);
|
|
}
|
|
|
|
inline void Overlay::PipeBook::resetAllocation(int index) {
|
|
sAllocatedBitmap &= ~(1 << index);
|
|
}
|
|
|
|
inline bool Overlay::PipeBook::isAllocated(int index) {
|
|
return sAllocatedBitmap & (1 << index);
|
|
}
|
|
|
|
inline bool Overlay::PipeBook::isNotAllocated(int index) {
|
|
return !isAllocated(index);
|
|
}
|
|
|
|
inline utils::eMdpPipeType Overlay::PipeBook::getPipeType(utils::eDest dest) {
|
|
return pipeTypeLUT[(int)dest];
|
|
}
|
|
|
|
inline void Overlay::startSession(utils::eDest dest) {
|
|
mPipeBook[(int)dest].mSession = PipeBook::START;
|
|
}
|
|
|
|
inline bool Overlay::sessionInProgress(utils::eDest dest) {
|
|
return (mPipeBook[(int)dest].mSession == PipeBook::START);
|
|
}
|
|
|
|
inline bool Overlay::isSessionEnded(utils::eDest dest) {
|
|
return (mPipeBook[(int)dest].mSession == PipeBook::END);
|
|
}
|
|
|
|
inline const char* Overlay::PipeBook::getDestStr(utils::eDest dest) {
|
|
switch(getPipeType(dest)) {
|
|
case utils::OV_MDP_PIPE_RGB: return "RGB";
|
|
case utils::OV_MDP_PIPE_VG: return "VG";
|
|
case utils::OV_MDP_PIPE_DMA: return "DMA";
|
|
default: return "Invalid";
|
|
}
|
|
return "Invalid";
|
|
}
|
|
|
|
}; // overlay
|
|
|
|
#endif // OVERLAY_H
|