/*
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* Copyright (C) 2019 Rockchip Electronics Co., Ltd.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL), available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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enum drm_rockchip_gem_mem_type {
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/* Physically Continuous memory and used as default. */
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ROCKCHIP_BO_CONTIG = 1 << 0,
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/* cachable mapping. */
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ROCKCHIP_BO_CACHABLE = 1 << 1,
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/* write-combine mapping. */
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ROCKCHIP_BO_WC = 1 << 2,
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ROCKCHIP_BO_SECURE = 1 << 3,
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ROCKCHIP_BO_MASK = ROCKCHIP_BO_CONTIG | ROCKCHIP_BO_CACHABLE | ROCKCHIP_BO_WC
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};
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int drm_open(void);
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void drm_close(int fd);
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int drm_alloc(int fd, size_t len, size_t align, unsigned int *handle, unsigned int flags);
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int drm_free(int fd, unsigned int handle);
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void *drm_map_buffer(int fd, unsigned int handle, size_t len);
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void drm_unmap_buffer(void *buf, size_t len);
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int drm_handle_to_fd(int fd, unsigned int handle, int *map_fd, unsigned int flags);
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int drm_get_info_from_name(int fd, unsigned int name, unsigned int *handle, int *size);
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#ifdef __cplusplus
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}
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#endif
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