/*
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* Allwinner SoCs grallocator.
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*
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* Copyright (C) 2017 Allwinner.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __GR_ALLOCATOR_H__
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#define __GR_ALLOCATOR_H__
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/* usage values for alloc */
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enum {
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/* buffer will be used with the framebuffer device */
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GRALLOC_USAGE_HW_FB = 0x00001000,
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/* buffer should be displayed full-screen on an external display when
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* possible
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*/
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GRALLOC_USAGE_EXTERNAL_DISP = 0x00002000,
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/* implementation-specific private usage flags */
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GRALLOC_USAGE_PRIVATE_0 = 0x10000000,
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GRALLOC_USAGE_PRIVATE_1 = 0x20000000,
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GRALLOC_USAGE_PRIVATE_2 = 0x40000000,
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GRALLOC_USAGE_PRIVATE_3 = 0x80000000,
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GRALLOC_USAGE_PRIVATE_MASK = 0xF0000000,
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};
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int graphic_buffer_alloc(unsigned int w, unsigned h, unsigned int bpp,
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int usage, void **handle, unsigned int *stride);
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int graphic_buffer_free(void *handle, int usage);
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#ifndef CONFIG_SUNXI_LOGBUFFER
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#define HW_FB_ADDR SUNXI_DISPLAY_FRAME_BUFFER_ADDR
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#endif
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#define DO_ALIGN(v, a) (((v) + (a) - 1L) & ~((a) - 1L))
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#define GR_ALIGN_BYTE 4
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#endif /* #ifndef __GR_ALLOCATOR_H__ */
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