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/*
* Copyright © 2008-2011 Kristian Høgsberg
* Copyright © 2011 Intel Corporation
* Copyright © 2017, 2018 Collabora, Ltd.
* Copyright © 2017, 2018 General Electric Company
* Copyright (c) 2018 DisplayLink (UK) Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <linux/input.h>
#include <linux/vt.h>
#include <assert.h>
#include <sys/mman.h>
#include <time.h>
#include <libudev.h>
#include <libweston/libweston.h>
#include <libweston/backend-drm.h>
#include <libweston/weston-log.h>
#include <tdm.h>
#include <tbm_bufmgr.h>
#include <tbm_surface_internal.h>
#include <tbm_dummy_display.h>
#include "shared/helpers.h"
#include "libinput-seat.h"
#include "backend.h"
#include "libweston-internal.h"
#define tdm_debug(b, ...) \
weston_log_scope_printf((b)->debug, __VA_ARGS__)
/**
* Possible values for the WTDM_PLANE_TYPE property.
*/
enum wtdm_backend_plane_type {
WTDM_PLANE_TYPE_PRIMARY = 0,
WTDM_PLANE_TYPE_OVERLAY,
};
struct tdm_backend {
struct weston_backend base;
struct weston_compositor *compositor;
struct udev *udev;
struct wl_event_source *tdm_source;
struct wl_listener session_listener;
uint32_t gbm_format;
struct udev_input input;
bool use_pixman;
bool use_pixman_shadow;
uint32_t pageflip_timeout;
struct weston_log_scope *debug;
tbm_bufmgr tbufmgr;
tbm_dummy_display *tbm_display;
tdm_display *tdisplay;
int tdm_fd;
struct wl_list plane_list;
};
struct tdm_backend_mode {
struct weston_mode base;
struct wl_list head_link;
const tdm_output_mode *tmode;
};
struct tdm_backend_plane {
struct weston_plane base;
struct tdm_backend *backend;
enum wtdm_backend_plane_type type;
struct wl_list link;
};
struct tdm_backend_hwc {
struct tdm_backend *backend;
tdm_hwc *thwc;
tbm_surface_queue_h target_buffer_queue;
tbm_surface_h commit_fb;
tbm_surface_h display_fb;
};
struct tdm_backend_head {
struct weston_head base;
struct tdm_backend *backend;
int index;
unsigned int pipe;
tdm_output *toutput;
tdm_output_type toutput_type;
struct tdm_backend_hwc *hwc;
struct wl_list mode_list;
tdm_output_dpms dpms;
tdm_output_conn_status conn_status;
};
struct tdm_backend_output {
struct weston_output base;
struct tdm_backend *backend;
tbm_surface_h pending_fb;
tbm_surface_h current_fb;
tbm_surface_h pixman_tsurfaces[2];
pixman_image_t *image[2];
int current_image;
pixman_region32_t previous_damage;
};
struct tdm_pending_state {
struct tdm_backend *backend;
struct wl_list output_list;
};
static inline struct tdm_backend_head *
to_tdm_head(struct weston_head *base)
{
return container_of(base, struct tdm_backend_head, base);
}
static inline struct tdm_backend_output *
to_tdm_output(struct weston_output *base)
{
return container_of(base, struct tdm_backend_output, base);
}
static inline struct tdm_backend *
to_tdm_backend(struct weston_compositor *base)
{
return container_of(base->backend, struct tdm_backend, base);
}
static inline struct tdm_backend_mode *
to_tdm_mode(struct weston_mode *base)
{
return container_of(base, struct tdm_backend_mode, base);
}
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