f4b7b8da0d
We convert HAL_PIXEL_FORMAT_BLOB to DRM_FORMAT_R8 for camera picture taking. Choose DRM_FORMAT_R8 because <system/graphics.h> requires the buffers with a format HAL_PIXEL_FORMAT_BLOB have a height of 1, and width equal to their size in bytes. BUG=b:37692495 TEST=open camera app and take a picture. Change-Id: I11a82b057b7c1174dd946e0b7d3cbde9c1d630d9 Reviewed-on: https://chromium-review.googlesource.com/487552 Commit-Ready: Heng-ruey Hsu <henryhsu@google.com> Tested-by: Heng-ruey Hsu <henryhsu@google.com> Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
|
|
* Copyright 2015 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.
|
|
*/
|
|
|
|
#ifdef DRV_MEDIATEK
|
|
|
|
// clang-format off
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/mman.h>
|
|
#include <xf86drm.h>
|
|
#include <mediatek_drm.h>
|
|
// clang-format on
|
|
|
|
#include "drv_priv.h"
|
|
#include "helpers.h"
|
|
#include "util.h"
|
|
|
|
static const uint32_t supported_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
|
|
DRM_FORMAT_R8, DRM_FORMAT_RGB565,
|
|
DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888,
|
|
DRM_FORMAT_YVU420, DRM_FORMAT_YVU420_ANDROID };
|
|
|
|
static int mediatek_init(struct driver *drv)
|
|
{
|
|
return drv_add_linear_combinations(drv, supported_formats, ARRAY_SIZE(supported_formats));
|
|
}
|
|
|
|
static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
|
|
uint32_t flags)
|
|
{
|
|
int ret;
|
|
size_t plane;
|
|
uint32_t stride;
|
|
struct drm_mtk_gem_create gem_create;
|
|
|
|
/*
|
|
* Since the ARM L1 cache line size is 64 bytes, align to that as a
|
|
* performance optimization.
|
|
*/
|
|
stride = drv_stride_from_format(format, width, 0);
|
|
stride = ALIGN(stride, 64);
|
|
drv_bo_from_format(bo, stride, height, format);
|
|
|
|
memset(&gem_create, 0, sizeof(gem_create));
|
|
gem_create.size = bo->total_size;
|
|
|
|
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
|
|
if (ret) {
|
|
fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_CREATE failed (size=%llu)\n",
|
|
gem_create.size);
|
|
return ret;
|
|
}
|
|
|
|
for (plane = 0; plane < bo->num_planes; plane++)
|
|
bo->handles[plane].u32 = gem_create.handle;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void *mediatek_bo_map(struct bo *bo, struct map_info *data, size_t plane)
|
|
{
|
|
int ret;
|
|
struct drm_mtk_gem_map_off gem_map;
|
|
|
|
memset(&gem_map, 0, sizeof(gem_map));
|
|
gem_map.handle = bo->handles[0].u32;
|
|
|
|
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_MAP_OFFSET, &gem_map);
|
|
if (ret) {
|
|
fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n");
|
|
return MAP_FAILED;
|
|
}
|
|
|
|
data->length = bo->total_size;
|
|
|
|
return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->drv->fd,
|
|
gem_map.offset);
|
|
}
|
|
|
|
static uint32_t mediatek_resolve_format(uint32_t format)
|
|
{
|
|
switch (format) {
|
|
case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
|
|
/*HACK: See b/28671744 */
|
|
return DRM_FORMAT_XBGR8888;
|
|
case DRM_FORMAT_FLEX_YCbCr_420_888:
|
|
return DRM_FORMAT_YVU420_ANDROID;
|
|
default:
|
|
return format;
|
|
}
|
|
}
|
|
|
|
struct backend backend_mediatek = {
|
|
.name = "mediatek",
|
|
.init = mediatek_init,
|
|
.bo_create = mediatek_bo_create,
|
|
.bo_destroy = drv_gem_bo_destroy,
|
|
.bo_import = drv_prime_bo_import,
|
|
.bo_map = mediatek_bo_map,
|
|
.resolve_format = mediatek_resolve_format,
|
|
};
|
|
|
|
#endif
|