| /* |
| * Copyright (c) 2013, 2018 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" |
| |
| static const int kFBNodeMax = 4; |
| 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 < kFBNodeMax; j++) { |
| snprintf (msmFbTypePath, sizeof(msmFbTypePath), |
| "/sys/devices/virtual/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 %s", __func__, msmFbTypePath); |
| } |
| } |
| |
| if (j < kFBNodeMax) |
| 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(DISABLE_UBWC_PROP, 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); |
| } |
| |
| 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/devices/virtual/graphics/fb%d/connected", nodeId); |
| |
| connectFile = fopen(connectPath, "rb"); |
| if (!connectFile) { |
| ALOGW("Failed to open connect node for device node %s", connectPath); |
| 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/devices/virtual/graphics/fb%d/config", nodeId); |
| |
| configFile = fopen(configPath, "rb"); |
| if (!configFile) { |
| ALOGW("Failed to open config node for device node %s", configPath); |
| return -EINVAL; |
| } |
| |
| while (getline(&line, &len, configFile) != -1) { |
| if (!parseLine(line, tokens, maxCount, &tokenCount)) { |
| if (tokens[0] != NULL) { |
| 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"; |
| case HAL_PIXEL_FORMAT_YCbCr_420_P010_VENUS: |
| return "YCbCr_420_P010_VENUS"; |
| default: |
| return "Unknown_format"; |
| } |
| } |
| |
| }; //namespace qdutils |
