/*
* Copyright (c) 2011-2012, 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.
*/
#include <stdlib.h>
#include <utils/Log.h>
#include <linux/msm_mdp.h>
#include <cutils/properties.h>
#include "gralloc_priv.h"
#include "fb_priv.h"
#include "overlayUtils.h"
#include "mdpWrapper.h"
#include "mdp_version.h"
// just a helper static thingy
namespace {
struct IOFile {
IOFile(const char* s, const char* mode) : fp(0) {
fp = ::fopen(s, mode);
if(!fp) {
ALOGE("Failed open %s", s);
}
}
template <class T>
size_t read(T& r, size_t elem) {
if(fp) {
return ::fread(&r, sizeof(T), elem, fp);
}
return 0;
}
size_t write(const char* s, uint32_t val) {
if(fp) {
return ::fprintf(fp, s, val);
}
return 0;
}
bool valid() const { return fp != 0; }
~IOFile() {
if(fp) ::fclose(fp);
fp=0;
}
FILE* fp;
};
}
namespace overlay {
//----------From class Res ------------------------------
const char* const Res::fbPath = "/dev/graphics/fb%u";
const char* const Res::rotPath = "/dev/msm_rotator";
const char* const Res::format3DFile =
"/sys/class/graphics/fb1/format_3d";
const char* const Res::edid3dInfoFile =
"/sys/class/graphics/fb1/3d_present";
const char* const Res::barrierFile =
"/sys/devices/platform/mipi_novatek.0/enable_3d_barrier";
//--------------------------------------------------------
namespace utils {
//------------------ defines -----------------------------
#define FB_DEVICE_TEMPLATE "/dev/graphics/fb%u"
#define NUM_FB_DEVICES 3
//--------------------------------------------------------
FrameBufferInfo::FrameBufferInfo() {
mFBWidth = 0;
mFBHeight = 0;
mBorderFillSupported = false;
OvFD mFd;
// Use open defined in overlayFD file to open fd for fb0
if(!overlay::open(mFd, 0, Res::fbPath)) {
ALOGE("FrameBufferInfo: failed to open fd");
return;
}
if (!mFd.valid()) {
ALOGE("FrameBufferInfo: FD not valid");
return;
}
fb_var_screeninfo vinfo;
if (!mdp_wrapper::getVScreenInfo(mFd.getFD(), vinfo)) {
ALOGE("FrameBufferInfo: failed getVScreenInfo on fb0");
mFd.close();
return;
}
int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
if (mdpVersion < qdutils::MDSS_V5) {
mdp_overlay ov;
memset(&ov, 0, sizeof(ov));
ov.id = 1;
if (!mdp_wrapper::getOverlay(mFd.getFD(), ov)) {
ALOGE("FrameBufferInfo: failed getOverlay on fb0");
mFd.close();
return;
}
mBorderFillSupported = (ov.flags & MDP_BORDERFILL_SUPPORTED) ?
true : false;
} else {
// badger always support border fill
mBorderFillSupported = true;
}
mFd.close();
mFBWidth = vinfo.xres;
mFBHeight = vinfo.yres;
}
FrameBufferInfo* FrameBufferInfo::getInstance() {
if (!sFBInfoInstance) {
sFBInfoInstance = new FrameBufferInfo;
}
return sFBInfoInstance;
}
int FrameBufferInfo::getWidth() const {
return mFBWidth;
}
int FrameBufferInfo::getHeight() const {
return mFBHeight;
}
/* clears any VG pipes allocated to the fb devices */
int initOverlay() {
msmfb_mixer_info_req req;
mdp_mixer_info *minfo = NULL;
char name[64];
int fd = -1;
for(int i = 0; i < NUM_FB_DEVICES; i++) {
snprintf(name, 64, FB_DEVICE_TEMPLATE, i);
ALOGD("initoverlay:: opening the device:: %s", name);
fd = ::open(name, O_RDWR, 0);
if(fd < 0) {
ALOGE("cannot open framebuffer(%d)", i);
return -1;
}
//Get the mixer configuration */
req.mixer_num = i;
if (ioctl(fd, MSMFB_MIXER_INFO, &req) == -1) {
ALOGE("ERROR: MSMFB_MIXER_INFO ioctl failed");
close(fd);
return -1;
}
minfo = req.info;
for (int j = 0; j < req.cnt; j++) {
ALOGD("ndx=%d num=%d z_order=%d", minfo->pndx, minfo->pnum,
minfo->z_order);
// except the RGB base layer with z_order of -1, clear any
// other pipes connected to mixer.
if((minfo->z_order) != -1) {
int index = minfo->pndx;
ALOGD("Unset overlay with index: %d at mixer %d", index, i);
if(ioctl(fd, MSMFB_OVERLAY_UNSET, &index) == -1) {
ALOGE("ERROR: MSMFB_OVERLAY_UNSET failed");
close(fd);
return -1;
}
}
minfo++;
}
close(fd);
fd = -1;
}
return 0;
}
//--------------------------------------------------------
//Refer to graphics.h, gralloc_priv.h, msm_mdp.h
int getMdpFormat(int format) {
switch (format) {
//From graphics.h
case HAL_PIXEL_FORMAT_RGBA_8888 :
return MDP_RGBA_8888;
case HAL_PIXEL_FORMAT_RGBX_8888:
return MDP_RGBX_8888;
case HAL_PIXEL_FORMAT_RGB_888:
return MDP_RGB_888;
case HAL_PIXEL_FORMAT_RGB_565:
return MDP_RGB_565;
case HAL_PIXEL_FORMAT_BGRA_8888:
return MDP_BGRA_8888;
case HAL_PIXEL_FORMAT_YV12:
return MDP_Y_CR_CB_GH2V2;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
return MDP_Y_CBCR_H2V1;
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
return MDP_Y_CRCB_H2V2;
//From gralloc_priv.h
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
return MDP_Y_CBCR_H2V2_TILE;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
return MDP_Y_CBCR_H2V2;
case HAL_PIXEL_FORMAT_YCrCb_422_SP:
return MDP_Y_CRCB_H2V1;
case HAL_PIXEL_FORMAT_YCbCr_444_SP:
return MDP_Y_CBCR_H1V1;
case HAL_PIXEL_FORMAT_YCrCb_444_SP:
return MDP_Y_CRCB_H1V1;
default:
//Unsupported by MDP
//---graphics.h--------
//HAL_PIXEL_FORMAT_RGBA_5551
//HAL_PIXEL_FORMAT_RGBA_4444
//HAL_PIXEL_FORMAT_YCbCr_422_I
//---gralloc_priv.h-----
//HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x7FA30C01
//HAL_PIXEL_FORMAT_R_8 = 0x10D
//HAL_PIXEL_FORMAT_RG_88 = 0x10E
ALOGE("%s: Unsupported format = 0x%x", __func__, format);
return -1;
}
// not reached
return -1;
}
bool is3DTV() {
char is3DTV = '0';
IOFile fp(Res::edid3dInfoFile, "r");
(void)fp.read(is3DTV, 1);
ALOGI("3DTV EDID flag: %d", is3DTV);
return (is3DTV == '0') ? false : true;
}
bool isPanel3D() {
OvFD fd;
if(!overlay::open(fd, 0 /*fb*/, Res::fbPath)){
ALOGE("isPanel3D Can't open framebuffer 0");
return false;
}
fb_fix_screeninfo finfo;
if(!mdp_wrapper::getFScreenInfo(fd.getFD(), finfo)) {
ALOGE("isPanel3D read fb0 failed");
}
fd.close();
return (FB_TYPE_3D_PANEL == finfo.type) ? true : false;
}
bool usePanel3D() {
if(!isPanel3D())
return false;
char value[PROPERTY_VALUE_MAX];
property_get("persist.user.panel3D", value, "0");
int usePanel3D = atoi(value);
return usePanel3D ? true : false;
}
bool send3DInfoPacket (uint32_t format3D) {
IOFile fp(Res::format3DFile, "wb");
(void)fp.write("%d", format3D);
if(!fp.valid()) {
ALOGE("send3DInfoPacket: no sysfs entry for setting 3d mode");
return false;
}
return true;
}
bool enableBarrier (uint32_t orientation) {
IOFile fp(Res::barrierFile, "wb");
(void)fp.write("%d", orientation);
if(!fp.valid()) {
ALOGE("enableBarrier no sysfs entry for "
"enabling barriers on 3D panel");
return false;
}
return true;
}
uint32_t getS3DFormat(uint32_t fmt) {
// The S3D is part of the HAL_PIXEL_FORMAT_YV12 value. Add
// an explicit check for the format
if (fmt == HAL_PIXEL_FORMAT_YV12) {
return 0;
}
uint32_t fmt3D = format3D(fmt);
uint32_t fIn3D = format3DInput(fmt3D); // MSB 2 bytes - inp
uint32_t fOut3D = format3DOutput(fmt3D); // LSB 2 bytes - out
fmt3D = fIn3D | fOut3D;
if (!fIn3D) {
fmt3D |= fOut3D << SHIFT_TOT_3D; //Set the input format
}
if (!fOut3D) {
switch (fIn3D) {
case HAL_3D_IN_SIDE_BY_SIDE_L_R:
case HAL_3D_IN_SIDE_BY_SIDE_R_L:
// For all side by side formats, set the output
// format as Side-by-Side i.e 0x1
fmt3D |= HAL_3D_IN_SIDE_BY_SIDE_L_R >> SHIFT_TOT_3D;
break;
default:
fmt3D |= fIn3D >> SHIFT_TOT_3D; //Set the output format
}
}
return fmt3D;
}
} // utils
} // overlay