/*
* Copyright (c) 2013, 2017 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 <unistd.h>
#include <gralloc_priv.h>
#include "qd_utils.h"
namespace qdutils {
static int parseLine(char *input, char *tokens[], const uint32_t maxToken, uint32_t *count) {
char *tmpToken = NULL;
char *tmpPtr;
uint32_t index = 0;
const char *delim = ", =\n";
if (!input) {
return -1;
}
tmpToken = strtok_r(input, delim, &tmpPtr);
while (tmpToken && index < maxToken) {
tokens[index++] = tmpToken;
tmpToken = strtok_r(NULL, delim, &tmpPtr);
}
*count = index;
return 0;
}
static int getExternalNode(const char *type) {
FILE *displayDeviceFP = NULL;
char fbType[MAX_FRAME_BUFFER_NAME_SIZE];
char msmFbTypePath[MAX_FRAME_BUFFER_NAME_SIZE];
int j = 0;
for(j = 0; j < HWC_NUM_DISPLAY_TYPES; j++) {
snprintf (msmFbTypePath, sizeof(msmFbTypePath),
"/sys/class/graphics/fb%d/msm_fb_type", j);
displayDeviceFP = fopen(msmFbTypePath, "r");
if(displayDeviceFP) {
fread(fbType, sizeof(char), MAX_FRAME_BUFFER_NAME_SIZE,
displayDeviceFP);
if(strncmp(fbType, type, strlen(type)) == 0) {
ALOGD("%s: %s is at fb%d", __func__, type, j);
fclose(displayDeviceFP);
break;
}
fclose(displayDeviceFP);
} else {
ALOGE("%s: Failed to open fb node %d", __func__, j);
}
}
if (j < HWC_NUM_DISPLAY_TYPES)
return j;
else
ALOGE("%s: Failed to find %s node", __func__, type);
return -1;
}
static int querySDEInfoDRM(HWQueryType type, int *value) {
char property[PROPERTY_VALUE_MAX] = {0};
// TODO(user): If future targets don't support WB UBWC, add separate
// properties in target specific system.prop and have clients like WFD
// directly rely on those.
switch(type) {
case HAS_UBWC:
case HAS_WB_UBWC: // WFD stack still uses this
*value = 1;
property_get("debug.gralloc.gfx_ubwc_disable", property, "0");
if(!(strncmp(property, "1", PROPERTY_VALUE_MAX)) ||
!(strncmp(property, "true", PROPERTY_VALUE_MAX))) {
*value = 0;
}
break;
default:
ALOGE("Invalid query type %d", type);
return -EINVAL;
}
return 0;
}
static int querySDEInfoFB(HWQueryType type, int *value) {
FILE *fileptr = NULL;
const char *featureName;
char stringBuffer[MAX_STRING_LENGTH];
uint32_t tokenCount = 0;
const uint32_t maxCount = 10;
char *tokens[maxCount] = { NULL };
switch(type) {
case HAS_UBWC:
featureName = "ubwc";
break;
case HAS_WB_UBWC:
featureName = "wb_ubwc";
break;
default:
ALOGE("Invalid query type %d", type);
return -EINVAL;
}
fileptr = fopen("/sys/devices/virtual/graphics/fb0/mdp/caps", "rb");
if (!fileptr) {
ALOGE("File '%s' not found", stringBuffer);
return -EINVAL;
}
size_t len = MAX_STRING_LENGTH;
ssize_t read;
char *line = stringBuffer;
while ((read = getline(&line, &len, fileptr)) != -1) {
// parse the line and update information accordingly
if (parseLine(line, tokens, maxCount, &tokenCount)) {
continue;
}
if (strncmp(tokens[0], "features", strlen("features"))) {
continue;
}
for (uint32_t i = 0; i < tokenCount; i++) {
if (!strncmp(tokens[i], featureName, strlen(featureName))) {
*value = 1;
}
}
}
fclose(fileptr);
return 0;
}
int querySDEInfo(HWQueryType type, int *value) {
if (!value) {
return -EINVAL;
}
if (getDriverType() == DriverType::DRM) {
return querySDEInfoDRM(type, value);
}
return querySDEInfoFB(type, value);
}
int getHDMINode(void) {
return getExternalNode("dtv panel");
}
int getEdidRawData(char *buffer)
{
int size;
int edidFile;
char msmFbTypePath[MAX_FRAME_BUFFER_NAME_SIZE];
int node_id = getHDMINode();
if (node_id < 0) {
ALOGE("%s no HDMI node found", __func__);
return 0;
}
snprintf(msmFbTypePath, sizeof(msmFbTypePath),
"/sys/class/graphics/fb%d/edid_raw_data", node_id);
edidFile = open(msmFbTypePath, O_RDONLY, 0);
if (edidFile < 0) {
ALOGE("%s no edid raw data found", __func__);
return 0;
}
size = (int)read(edidFile, (char*)buffer, EDID_RAW_DATA_SIZE);
close(edidFile);
return size;
}
bool isDPConnected() {
char connectPath[MAX_FRAME_BUFFER_NAME_SIZE];
FILE *connectFile = NULL;
size_t len = MAX_STRING_LENGTH;
char stringBuffer[MAX_STRING_LENGTH];
char *line = stringBuffer;
int nodeId = getExternalNode("dp panel");
if (nodeId < 0) {
ALOGE("%s no DP node found", __func__);
return false;
}
snprintf(connectPath, sizeof(connectPath),
"/sys/class/graphics/fb%d/connected", nodeId);
connectFile = fopen(connectPath, "rb");
if (!connectFile) {
ALOGW("Failed to open connect node for device node %d", nodeId);
return false;
}
if (getline(&line, &len, connectFile) < 0) {
fclose(connectFile);
return false;
}
fclose(connectFile);
return atoi(line);
}
int getDPTestConfig(uint32_t *panelBpp, uint32_t *patternType) {
if (!panelBpp || !patternType) {
return -1;
}
char configPath[MAX_FRAME_BUFFER_NAME_SIZE];
FILE *configFile = NULL;
uint32_t tokenCount = 0;
const uint32_t maxCount = 10;
char *tokens[maxCount] = { NULL };
size_t len = MAX_STRING_LENGTH;
char stringBuffer[MAX_STRING_LENGTH];
char *line = stringBuffer;
int nodeId = getExternalNode("dp panel");
if (nodeId < 0) {
ALOGE("%s no DP node found", __func__);
return -EINVAL;
}
snprintf(configPath, sizeof(configPath),
"/sys/class/graphics/fb%d/config", nodeId);
configFile = fopen(configPath, "rb");
if (!configFile) {
ALOGW("Failed to open config node for device node %d", nodeId);
return -EINVAL;
}
while (getline(&line, &len, configFile) != -1) {
if (!parseLine(line, tokens, maxCount, &tokenCount)) {
if (!strncmp(tokens[0], "bpp", strlen("bpp"))) {
*panelBpp = static_cast<uint32_t>(atoi(tokens[1]));
} else if (!strncmp(tokens[0], "pattern", strlen("pattern"))) {
*patternType = static_cast<uint32_t>(atoi(tokens[1]));
}
}
}
fclose(configFile);
return 0;
}
DriverType getDriverType() {
const char *fb_caps = "/sys/devices/virtual/graphics/fb0/mdp/caps";
// 0 - File exists
return access(fb_caps, F_OK) ? DriverType::DRM : DriverType::FB;
}
const char *GetHALPixelFormatString(int format) {
switch (format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
return "RGBA_8888";
case HAL_PIXEL_FORMAT_RGBX_8888:
return "RGBX_8888";
case HAL_PIXEL_FORMAT_RGB_888:
return "RGB_888";
case HAL_PIXEL_FORMAT_RGB_565:
return "RGB_565";
case HAL_PIXEL_FORMAT_BGR_565:
return "BGR_565";
case HAL_PIXEL_FORMAT_BGRA_8888:
return "BGRA_8888";
case HAL_PIXEL_FORMAT_RGBA_5551:
return "RGBA_5551";
case HAL_PIXEL_FORMAT_RGBA_4444:
return "RGBA_4444";
case HAL_PIXEL_FORMAT_YV12:
return "YV12";
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
return "YCbCr_422_SP_NV16";
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
return "YCrCb_420_SP_NV21";
case HAL_PIXEL_FORMAT_YCbCr_422_I:
return "YCbCr_422_I_YUY2";
case HAL_PIXEL_FORMAT_YCrCb_422_I:
return "YCrCb_422_I_YVYU";
case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
return "NV12_ENCODEABLE";
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
return "YCbCr_420_SP_TILED_TILE_4x2";
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
return "YCbCr_420_SP";
case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
return "YCrCb_420_SP_ADRENO";
case HAL_PIXEL_FORMAT_YCrCb_422_SP:
return "YCrCb_422_SP";
case HAL_PIXEL_FORMAT_R_8:
return "R_8";
case HAL_PIXEL_FORMAT_RG_88:
return "RG_88";
case HAL_PIXEL_FORMAT_INTERLACE:
return "INTERLACE";
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
return "YCbCr_420_SP_VENUS";
case HAL_PIXEL_FORMAT_YCrCb_420_SP_VENUS:
return "YCrCb_420_SP_VENUS";
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS_UBWC:
return "YCbCr_420_SP_VENUS_UBWC";
case HAL_PIXEL_FORMAT_RGBA_1010102:
return "RGBA_1010102";
case HAL_PIXEL_FORMAT_ARGB_2101010:
return "ARGB_2101010";
case HAL_PIXEL_FORMAT_RGBX_1010102:
return "RGBX_1010102";
case HAL_PIXEL_FORMAT_XRGB_2101010:
return "XRGB_2101010";
case HAL_PIXEL_FORMAT_BGRA_1010102:
return "BGRA_1010102";
case HAL_PIXEL_FORMAT_ABGR_2101010:
return "ABGR_2101010";
case HAL_PIXEL_FORMAT_BGRX_1010102:
return "BGRX_1010102";
case HAL_PIXEL_FORMAT_XBGR_2101010:
return "XBGR_2101010";
case HAL_PIXEL_FORMAT_YCbCr_420_P010:
return "YCbCr_420_P010";
case HAL_PIXEL_FORMAT_YCbCr_420_TP10_UBWC:
return "YCbCr_420_TP10_UBWC";
default:
return "Unknown_format";
}
}
}; //namespace qdutils