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/*
* Copyright 2020 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.
*/
#include <errno.h>
#include "drv_helpers.h"
#include "drv_priv.h"
#include "util.h"
#define INIT_DUMB_DRIVER(driver) \
const struct backend backend_##driver = { \
.name = #driver, \
.init = dumb_driver_init, \
.bo_create = drv_dumb_bo_create, \
.bo_create_with_modifiers = dumb_bo_create_with_modifiers, \
.bo_destroy = drv_dumb_bo_destroy, \
.bo_import = drv_prime_bo_import, \
.bo_map = drv_dumb_bo_map, \
.bo_unmap = drv_bo_munmap, \
.resolve_format_and_use_flags = drv_resolve_format_and_use_flags_helper, \
};
static const uint32_t scanout_render_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888,
DRM_FORMAT_ABGR8888, DRM_FORMAT_XBGR8888,
DRM_FORMAT_BGR888, DRM_FORMAT_RGB565 };
static const uint32_t texture_only_formats[] = { DRM_FORMAT_R8, DRM_FORMAT_NV12, DRM_FORMAT_NV21,
DRM_FORMAT_YVU420, DRM_FORMAT_YVU420_ANDROID };
static int dumb_driver_init(struct driver *drv)
{
drv_add_combinations(drv, scanout_render_formats, ARRAY_SIZE(scanout_render_formats),
&LINEAR_METADATA, BO_USE_RENDER_MASK | BO_USE_SCANOUT);
drv_add_combinations(drv, texture_only_formats, ARRAY_SIZE(texture_only_formats),
&LINEAR_METADATA, BO_USE_TEXTURE_MASK);
drv_modify_combination(drv, DRM_FORMAT_R8, &LINEAR_METADATA,
BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER |
BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
drv_modify_combination(drv, DRM_FORMAT_NV12, &LINEAR_METADATA,
BO_USE_HW_VIDEO_ENCODER | BO_USE_HW_VIDEO_DECODER |
BO_USE_CAMERA_READ | BO_USE_CAMERA_WRITE);
drv_modify_combination(drv, DRM_FORMAT_NV21, &LINEAR_METADATA, BO_USE_HW_VIDEO_ENCODER);
return drv_modify_linear_combinations(drv);
}
static int dumb_bo_create_with_modifiers(struct bo *bo, uint32_t width, uint32_t height,
uint32_t format, const uint64_t *modifiers, uint32_t count)
{
for (uint32_t i = 0; i < count; i++) {
if (modifiers[i] == DRM_FORMAT_MOD_LINEAR) {
return drv_dumb_bo_create(bo, width, height, format, 0);
}
}
return -EINVAL;
}
INIT_DUMB_DRIVER(evdi)
INIT_DUMB_DRIVER(komeda)
INIT_DUMB_DRIVER(marvell)
INIT_DUMB_DRIVER(meson)
INIT_DUMB_DRIVER(nouveau)
INIT_DUMB_DRIVER(radeon)
INIT_DUMB_DRIVER(synaptics)
INIT_DUMB_DRIVER(udl)
INIT_DUMB_DRIVER(vkms)
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