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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 _DISPLAY_CONFIG_H #define _DISPLAY_CONFIG_H #include #include #include #include // This header is for clients to use to set/get global display configuration. // Only primary and external displays are supported here. namespace qdutils { /* TODO: Have all the common enums that need be exposed to clients and which * are also needed in hwc defined here. Remove such definitions we have in * hwc_utils.h */ // Use this enum to specify the dpy parameters where needed enum { // DO NOT CHANGE THE LEGACY DEFINES DISPLAY_PRIMARY = 0, // = HWC_DISPLAY_PRIMARY DISPLAY_EXTERNAL = 1, // = HWC_DISPLAY_EXTERNAL DISPLAY_VIRTUAL = 2, // = HWC_DISPLAY_VIRTUAL // Additional displays only for vendor client (e.g. pp) reference DISPLAY_BUILTIN_2 = 3, DISPLAY_EXTERNAL_2 = 4, }; // External Display states - used in setSecondaryDisplayStatus() // To be consistent with the same defined in hwc_utils.h enum { EXTERNAL_OFFLINE = 0, EXTERNAL_ONLINE, EXTERNAL_PAUSE, EXTERNAL_RESUME, }; enum { DISABLE_METADATA_DYN_REFRESH_RATE = 0, ENABLE_METADATA_DYN_REFRESH_RATE, SET_BINDER_DYN_REFRESH_RATE, }; enum { DEFAULT_MODE = 0, VIDEO_MODE, COMMAND_MODE, }; enum { DISPLAY_PORT_DEFAULT = 0, DISPLAY_PORT_DSI, DISPLAY_PORT_DTV, DISPLAY_PORT_WRITEBACK, DISPLAY_PORT_LVDS, DISPLAY_PORT_EDP, DISPLAY_PORT_DP, }; // Display Attributes that are available to clients of this library // Not to be confused with a similar struct in hwc_utils (in the hwc namespace) typedef struct DisplayAttributes { uint32_t vsync_period = 0; //nanoseconds uint32_t xres = 0; uint32_t yres = 0; float xdpi = 0.0f; float ydpi = 0.0f; int panel_type = DISPLAY_PORT_DEFAULT; bool is_yuv = false; } DisplayAttributes_t; //============================================================================= // The functions below run in the client process and wherever necessary // do a binder call to HWC to get/set data. // Check if external display is connected. Useful to check before making // calls for external displays // Returns 1 if connected, 0 if disconnected, negative values on errors int isExternalConnected(void); // Get display vsync period which is in nanoseconds // i.e vsync_period = 1000000000l / fps // Returns 0 on success, negative values on errors int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr); // get the active visible region for the display // Returns 0 on success, negative values on errors int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect); // set the view frame information in hwc context from surfaceflinger int setViewFrame(int dpy, int l, int t, int r, int b); // Set the secondary display status(pause/resume/offline etc.,) int setSecondaryDisplayStatus(int dpy, uint32_t status); // Enable/Disable/Set refresh rate dynamically int configureDynRefreshRate(uint32_t op, uint32_t refreshRate); // Returns the number of configs supported for the display on success. // Returns -1 on error. // Only primary display supported for now, value of dpy ignored. int getConfigCount(int dpy); // Returns the index of config that is current set for the display on success. // Returns -1 on error. // Only primary display supported for now, value of dpy ignored. int getActiveConfig(int dpy); // Sets the config for the display on success and returns 0. // Returns -1 on error. // Only primary display supported for now, value of dpy ignored int setActiveConfig(int configIndex, int dpy); // Returns the attributes for the specified config for the display on success. // Returns xres and yres as 0 on error. // Only primary display supported for now, value of dpy ignored DisplayAttributes getDisplayAttributes(int configIndex, int dpy); // Set the primary display mode to command or video mode int setDisplayMode(int mode); // Sets the panel brightness of the primary display int setPanelBrightness(int level); // Retrieves the current panel brightness value int getPanelBrightness(); // Sets the specified bit clk value. int setDsiClk(int dpy, uint64_t bitClk); // Retrieves the current bit clk value. uint64_t getDsiClk(int dpy); // Get supported bit clk values. int getSupportedBitClk(int dpy, std::vector& bit_rates); // Sets the specified min and max luminance values. int setPanelLuminanceAttributes(int dpy, float min_lum, float max_lum); // Sets display standy mode extern "C" int setStandByMode(int mode); }; //namespace extern "C" int waitForComposerInit(); #endif