--- /dev/null
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2014 David Herrmann <dh.herrmann@gmail.com>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#pragma once
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <systemd/sd-bus.h>
+#include <systemd/sd-event.h>
+#include "grdev.h"
+#include "hashmap.h"
+#include "list.h"
+#include "util.h"
+
+typedef struct grdev_tile grdev_tile;
+typedef struct grdev_display_cache grdev_display_cache;
+
+typedef struct grdev_pipe_vtable grdev_pipe_vtable;
+typedef struct grdev_pipe grdev_pipe;
+typedef struct grdev_card_vtable grdev_card_vtable;
+typedef struct grdev_card grdev_card;
+
+/*
+ * Displays
+ */
+
+enum {
+ GRDEV_TILE_LEAF,
+ GRDEV_TILE_NODE,
+ GRDEV_TILE_CNT
+};
+
+struct grdev_tile {
+ LIST_FIELDS(grdev_tile, childs_by_node);
+ grdev_tile *parent;
+ grdev_display *display;
+
+ uint32_t x;
+ uint32_t y;
+ unsigned int rotate;
+ unsigned int flip;
+ uint32_t cache_w;
+ uint32_t cache_h;
+
+ unsigned int type;
+
+ union {
+ struct {
+ grdev_pipe *pipe;
+ } leaf;
+
+ struct {
+ size_t n_childs;
+ LIST_HEAD(grdev_tile, child_list);
+ } node;
+ };
+};
+
+int grdev_tile_new_leaf(grdev_tile **out, grdev_pipe *pipe);
+int grdev_tile_new_node(grdev_tile **out);
+grdev_tile *grdev_tile_free(grdev_tile *tile);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(grdev_tile*, grdev_tile_free);
+
+struct grdev_display {
+ grdev_session *session;
+ char *name;
+
+ size_t n_leafs;
+ grdev_tile *tile;
+
+ size_t n_pipes;
+ size_t max_pipes;
+
+ uint32_t width;
+ uint32_t height;
+
+ struct grdev_display_cache {
+ grdev_pipe *pipe;
+ grdev_display_target target;
+
+ bool incomplete : 1;
+ } *pipes;
+
+ bool enabled : 1;
+ bool public : 1;
+ bool modified : 1;
+ bool framed : 1;
+};
+
+grdev_display *grdev_find_display(grdev_session *session, const char *name);
+
+int grdev_display_new(grdev_display **out, grdev_session *session, const char *name);
+grdev_display *grdev_display_free(grdev_display *display);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(grdev_display*, grdev_display_free);
+
+/*
+ * Pipes
+ */
+
+struct grdev_pipe_vtable {
+ void (*free) (grdev_pipe *pipe);
+ void (*enable) (grdev_pipe *pipe);
+ void (*disable) (grdev_pipe *pipe);
+ grdev_fb *(*target) (grdev_pipe *pipe);
+};
+
+struct grdev_pipe {
+ const grdev_pipe_vtable *vtable;
+ grdev_card *card;
+ char *name;
+
+ grdev_tile *tile;
+ grdev_display_cache *cache;
+
+ uint32_t width;
+ uint32_t height;
+
+ size_t max_fbs;
+ grdev_fb *front;
+ grdev_fb *back;
+ grdev_fb **fbs;
+
+ bool enabled : 1;
+ bool running : 1;
+ bool flip : 1;
+ bool flipping : 1;
+};
+
+#define GRDEV_PIPE_INIT(_vtable, _card) ((grdev_pipe){ \
+ .vtable = (_vtable), \
+ .card = (_card), \
+ })
+
+grdev_pipe *grdev_find_pipe(grdev_card *card, const char *name);
+
+int grdev_pipe_add(grdev_pipe *pipe, const char *name, size_t n_fbs);
+grdev_pipe *grdev_pipe_free(grdev_pipe *pipe);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(grdev_pipe*, grdev_pipe_free);
+
+void grdev_pipe_ready(grdev_pipe *pipe, bool running);
+void grdev_pipe_frame(grdev_pipe *pipe);
+
+/*
+ * Cards
+ */
+
+struct grdev_card_vtable {
+ void (*free) (grdev_card *card);
+ void (*enable) (grdev_card *card);
+ void (*disable) (grdev_card *card);
+ void (*commit) (grdev_card *card);
+ void (*restore) (grdev_card *card);
+};
+
+struct grdev_card {
+ const grdev_card_vtable *vtable;
+ grdev_session *session;
+ char *name;
+
+ Hashmap *pipe_map;
+
+ bool enabled : 1;
+ bool modified : 1;
+};
+
+#define GRDEV_CARD_INIT(_vtable, _session) ((grdev_card){ \
+ .vtable = (_vtable), \
+ .session = (_session), \
+ })
+
+grdev_card *grdev_find_card(grdev_session *session, const char *name);
+
+int grdev_card_add(grdev_card *card, const char *name);
+grdev_card *grdev_card_free(grdev_card *card);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(grdev_card*, grdev_card_free);
+
+/*
+ * Sessions
+ */
+
+struct grdev_session {
+ grdev_context *context;
+ char *name;
+ char *path;
+ grdev_event_fn event_fn;
+ void *userdata;
+
+ unsigned long n_pins;
+
+ Hashmap *card_map;
+ Hashmap *display_map;
+
+ bool custom : 1;
+ bool managed : 1;
+ bool enabled : 1;
+ bool modified : 1;
+};
+
+grdev_session *grdev_session_pin(grdev_session *session);
+grdev_session *grdev_session_unpin(grdev_session *session);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(grdev_session*, grdev_session_unpin);
+
+/*
+ * Contexts
+ */
+
+struct grdev_context {
+ unsigned long ref;
+ sd_event *event;
+ sd_bus *sysbus;
+
+ Hashmap *session_map;
+};
~ianmdlvl / elogind.git / blobdiff