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/*
* Copyright (C) 2011 Chia-I Wu <olvaffe@gmail.com>
* Copyright (C) 2011 LunarG Inc.
* Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
*
* Based on xf86-video-nouveau, which has
*
* Copyright © 2007 Red Hat, Inc.
* Copyright © 2008 Maarten Maathuis
*
* 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.
*/
#define LOG_TAG "GRALLOC-FREEDRENO"
#include <cutils/log.h>
#include <stdlib.h>
#include <errno.h>
#include <drm.h>
#include <freedreno_drmif.h>
#include "gralloc_drm.h"
#include "gralloc_drm_priv.h"
struct fd_info {
struct gralloc_drm_drv_t base;
int fd;
struct fd_device *dev;
};
struct fd_buffer {
struct gralloc_drm_bo_t base;
struct fd_bo *bo;
};
static struct fd_bo *alloc_bo(struct fd_info *info,
int width, int height, int cpp, int usage, int *pitch)
{
struct fd_bo *bo = NULL;
int flags, size;
/* TODO need a scanout flag if (usage & GRALLOC_USAGE_HW_FB).. */
flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE;
*pitch = ALIGN(width, 32) * cpp;
size = *pitch * height;
return fd_bo_new(info->dev, size, flags);
}
static struct gralloc_drm_bo_t *
fd_alloc(struct gralloc_drm_drv_t *drv, struct gralloc_drm_handle_t *handle)
{
struct fd_info *info = (struct fd_info *) drv;
struct fd_buffer *fd_buf;
int cpp;
cpp = gralloc_drm_get_bpp(handle->format);
if (!cpp) {
ALOGE("unrecognized format 0x%x", handle->format);
return NULL;
}
fd_buf = calloc(1, sizeof(*fd_buf));
if (!fd_buf)
return NULL;
if (handle->name) {
fd_buf->bo = fd_bo_from_name(info->dev, handle->name);
if (!fd_buf->bo) {
ALOGE("failed to create fd bo from name %u",
handle->name);
free(fd_buf);
return NULL;
}
}
else {
int width, height, pitch;
width = handle->width;
height = handle->height;
gralloc_drm_align_geometry(handle->format, &width, &height);
fd_buf->bo = alloc_bo(info, width, height,
cpp, handle->usage, &pitch);
if (!fd_buf->bo) {
ALOGE("failed to allocate fd bo %dx%dx%d",
handle->width, handle->height, cpp);
free(fd_buf);
return NULL;
}
if (fd_bo_get_name(fd_buf->bo, (uint32_t *) &handle->name)) {
ALOGE("failed to flink fd bo");
fd_bo_del(fd_buf->bo);
free(fd_buf);
return NULL;
}
handle->stride = pitch;
}
if (handle->usage & GRALLOC_USAGE_HW_FB)
fd_buf->base.fb_handle = fd_bo_handle(fd_buf->bo);
fd_buf->base.handle = handle;
return &fd_buf->base;
}
static void fd_free(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *bo)
{
struct fd_buffer *fd_buf = (struct fd_buffer *) bo;
fd_bo_del(fd_buf->bo);
free(fd_buf);
}
static int fd_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)
{
struct fd_buffer *fd_buf = (struct fd_buffer *) bo;
if (fd_bo_map(fd_buf->bo))
return 0;
return -errno;
}
static void fd_unmap(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *bo)
{
// TODO should add fd_bo_unmap() to libdrm_freedreno someday..
}
static void fd_init_kms_features(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_t *drm)
{
struct fd_info *info = (struct fd_info *) drv;
switch (drm->primary.fb_format) {
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_RGB_565:
break;
default:
drm->primary.fb_format = HAL_PIXEL_FORMAT_BGRA_8888;
break;
}
drm->mode_quirk_vmwgfx = 0;
drm->swap_mode = DRM_SWAP_FLIP;
drm->mode_sync_flip = 1;
drm->swap_interval = 1;
drm->vblank_secondary = 0;
}
static void fd_destroy(struct gralloc_drm_drv_t *drv)
{
struct fd_info *info = (struct fd_info *) drv;
fd_device_del(info->dev);
free(info);
}
struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_freedreno(int fd)
{
struct fd_info *info;
int err;
info = calloc(1, sizeof(*info));
if (!info)
return NULL;
info->fd = fd;
info->dev = fd_device_new_dup(info->fd);
if (!info->dev) {
ALOGE("failed to create fd device");
free(info);
return NULL;
}
info->base.destroy = fd_destroy;
info->base.init_kms_features = fd_init_kms_features;
info->base.alloc = fd_alloc;
info->base.free = fd_free;
info->base.map = fd_map;
info->base.unmap = fd_unmap;
return &info->base;
}
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