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/*
* Copyright (C) Texas Instruments Incorporated - http://www.ti.com/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <condition_variable>
#include <mutex>
#include <cstdbool>
#include <cstdint>
#include <hardware/hwcomposer.h>
#include <kms++/kms++.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "drmfb.h"
#define MAX_DISPLAYS 4
#define DSS_AVAILABLE_PIPES 4
typedef struct display_config {
unsigned int xres;
unsigned int yres;
unsigned int fps;
unsigned int xdpi;
unsigned int ydpi;
} display_config_t;
enum disp_role {
DISP_ROLE_PRIMARY = 0,
DISP_ROLE_SECONDARY,
};
typedef struct drm_plane_props {
hwc_layer_1_t* layer;
kms::Plane* plane;
uint64_t crtc_id;
uint64_t crtc_x;
uint64_t crtc_y;
uint64_t crtc_w;
uint64_t crtc_h;
uint64_t src_x;
uint64_t src_y;
uint64_t src_w;
uint64_t src_h;
DRMFramebuffer* fb_info;
} drm_plane_props_t;
class KMSDisplay {
public:
KMSDisplay() :
card(NULL),
con(NULL),
crtc(NULL),
mode() {}
kms::Card* card;
kms::Connector* con;
kms::Crtc* crtc;
kms::Videomode mode;
};
class HWCDisplay
{
public:
HWCDisplay(enum disp_role role);
~HWCDisplay(){};
void setup_composition_pipes();
int update_display(drm_plane_props_t* planeProp);
std::vector<display_config_t> configs;
uint32_t active_config;
enum disp_role role;
drm_plane_props_t planeProps[DSS_AVAILABLE_PIPES];
KMSDisplay disp_link;
const hwc_procs_t* cb_procs;
bool is_dummy;
int set_vsync_state(bool state);
void blank(int blank);
int get_display_configs(uint32_t* configs, size_t* numConfigs);
int get_display_attributes(uint32_t cfg, const uint32_t* attributes, int32_t* values);
static void page_flip_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void* data);
static void vblank_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec, void* data);
private:
std::vector<DRMFramebuffer*> pending_fb_infos;
std::vector<DRMFramebuffer*> current_fb_infos;
bool vsync_on;
bool blanked;
std::mutex mutex;
std::condition_variable cond_flip;
volatile bool is_flip_pending;
};
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