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/*
* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef DRV_PRIV_H
#define DRV_PRIV_H
#include <pthread.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
#include "drv.h"
#include "list.h"
struct bo
{
struct driver *drv;
uint32_t width;
uint32_t height;
uint32_t format;
uint32_t tiling;
size_t num_planes;
union bo_handle handles[DRV_MAX_PLANES];
uint32_t offsets[DRV_MAX_PLANES];
uint32_t sizes[DRV_MAX_PLANES];
uint32_t strides[DRV_MAX_PLANES];
uint64_t format_modifiers[DRV_MAX_PLANES];
size_t total_size;
void *priv;
};
struct driver {
int fd;
struct backend *backend;
void *priv;
void *buffer_table;
void *map_table;
pthread_mutex_t driver_lock;
};
struct map_info {
void *addr;
size_t length;
uint32_t handle;
int32_t refcount;
void *priv;
};
struct supported_combination {
uint32_t format;
uint64_t modifier;
uint64_t usage;
};
struct combination_list_element {
struct supported_combination combination;
struct list_head link;
};
struct backend
{
char *name;
int (*init)(struct driver *drv);
void (*close)(struct driver *drv);
int (*bo_create)(struct bo *bo, uint32_t width, uint32_t height,
uint32_t format, uint32_t flags);
int (*bo_create_with_modifiers)(struct bo *bo,
uint32_t width, uint32_t height,
uint32_t format,
const uint64_t *modifiers,
uint32_t count);
void* (*bo_map)(struct bo *bo, struct map_info *data, size_t plane);
int (*bo_unmap)(struct bo *bo, struct map_info *data);
int (*bo_destroy)(struct bo *bo);
uint32_t (*resolve_format)(uint32_t format);
struct list_head combinations;
};
#endif
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