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/*
* Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
* Copyright (C) 2010-2011 LunarG Inc.
*
* 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 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.
*/
#ifndef _GRALLOC_DRM_PRIV_H_
#define _GRALLOC_DRM_PRIV_H_
#include <pthread.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "gralloc_drm_handle.h"
#ifdef __cplusplus
extern "C" {
#endif
/* how a bo is posted */
enum drm_swap_mode {
DRM_SWAP_NOOP,
DRM_SWAP_FLIP,
DRM_SWAP_COPY,
DRM_SWAP_SETCRTC,
};
enum drm_output_mode {
DRM_OUTPUT_PRIMARY,
DRM_OUTPUT_CLONED,
DRM_OUTPUT_EXTENDED,
};
struct gralloc_drm_plane_t {
drmModePlane *drm_plane;
/* plane has been set to display a layer */
uint32_t active;
/* handle to display */
buffer_handle_t handle;
/* identifier set by hwc */
uint32_t id;
/* position, crop and scale */
uint32_t src_x;
uint32_t src_y;
uint32_t src_w;
uint32_t src_h;
uint32_t dst_x;
uint32_t dst_y;
uint32_t dst_w;
uint32_t dst_h;
/* previous buffer, for refcounting */
struct gralloc_drm_bo_t *prev;
};
struct gralloc_drm_output
{
uint32_t crtc_id;
uint32_t connector_id;
uint32_t pipe;
drmModeModeInfo mode;
int xdpi, ydpi;
int fb_format;
int bpp;
uint32_t active;
enum drm_output_mode output_mode;
/* 'private fb' for this output */
struct gralloc_drm_bo_t *bo;
};
struct gralloc_drm_t {
/* initialized by gralloc_drm_create */
int fd;
struct gralloc_drm_drv_t *drv;
/* initialized by gralloc_drm_init_kms */
drmModeResPtr resources;
struct gralloc_drm_output *outputs;
int output_count, output_capacity;
struct gralloc_drm_output *primary;
pthread_mutex_t outputs_mutex;
pthread_t hotplug_thread;
#ifdef DRM_MODE_FEATURE_DIRTYFB
drmModeClip clip;
#endif
/* initialized by drv->init_kms_features */
enum drm_swap_mode swap_mode;
int swap_interval;
int mode_quirk_vmwgfx;
int mode_sync_flip; /* page flip should block */
int vblank_secondary;
drmEventContext evctx;
int first_post;
struct gralloc_drm_bo_t *current_front, *next_front;
int waiting_flip;
unsigned int last_swap;
/* plane support */
drmModePlaneResPtr plane_resources;
struct gralloc_drm_plane_t *planes;
};
struct drm_module_t {
gralloc_module_t base;
/* HWC plane API */
int (*hwc_reserve_plane) (struct gralloc_drm_t *mod,
buffer_handle_t handle, uint32_t id,
uint32_t dst_x, uint32_t dst_y, uint32_t dst_w, uint32_t dst_h,
uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h);
void (*hwc_disable_planes) (struct gralloc_drm_t *mod);
int (*hwc_set_plane_handle) (struct gralloc_drm_t *mod,
uint32_t id, buffer_handle_t handle);
pthread_mutex_t mutex;
struct gralloc_drm_t *drm;
};
struct gralloc_drm_drv_t {
/* destroy the driver */
void (*destroy)(struct gralloc_drm_drv_t *drv);
/* initialize KMS features */
void (*init_kms_features)(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_t *drm);
/* allocate or import a bo */
struct gralloc_drm_bo_t *(*alloc)(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_handle_t *handle);
/* free a bo */
void (*free)(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *bo);
/* map a bo for CPU access */
int (*map)(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *bo,
int x, int y, int w, int h, int enable_write, void **addr);
/* unmap a bo */
void (*unmap)(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *bo);
/* blit between two bo's, used for DRM_SWAP_COPY and general blitting */
void (*blit)(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *dst,
struct gralloc_drm_bo_t *src,
uint16_t dst_x1, uint16_t dst_y1,
uint16_t dst_x2, uint16_t dst_y2,
uint16_t src_x1, uint16_t src_y1,
uint16_t src_x2, uint16_t src_y2);
/* query component offsets, strides and handles for a format */
void (*resolve_format)(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *bo,
uint32_t *pitches, uint32_t *offsets, uint32_t *handles);
};
struct gralloc_drm_bo_t {
struct gralloc_drm_t *drm;
struct gralloc_drm_handle_t *handle;
int imported; /* the handle is from a remote proces when true */
int fb_handle; /* the GEM handle of the bo */
int fb_id; /* the fb id */
int lock_count;
int locked_for;
unsigned int refcount;
};
struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_pipe(int fd, const char *name);
struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_freedreno(int fd);
struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_intel(int fd);
struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_radeon(int fd);
struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_nouveau(int fd);
#ifdef __cplusplus
}
#endif
#endif /* _GRALLOC_DRM_PRIV_H_ */
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