48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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/*
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* linux/drivers/gpu/exynos/g2d/g2d_secure.h
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*
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* Copyright (c) 2018 Samsung Electronics Co., Ltd.
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*
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* Samsung Graphics 2D driver
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __EXYNOS_G2D_SECURE_H__
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#define __EXYNOS_G2D_SECURE_H__
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#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
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#include <linux/smc.h>
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#else
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static inline int exynos_smc(unsigned long cmd, unsigned long arg1,
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unsigned long arg2, unsigned long arg3)
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{
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return 0; /* DRMDRV_OK */
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}
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#endif
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/*
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* SMC_DRM_G2D_CMD_DATA should be defined in <linux/smc.h> before use of it.
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* However, it may not be defined for the project that does not need it including
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* Exynos9820.
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*/
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#ifndef SMC_DRM_G2D_CMD_DATA
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#define SMC_DRM_G2D_CMD_DATA 0x8200202d
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#endif
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/*
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* SMC_PROTECTION_SET is defined in <linux/smc.h>. This is just a hedge of the
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* situation when <linux/smc.h> forgets to define SMC_PROTECTION_SET.
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*/
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#ifndef SMC_PROTECTION_SET
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#define SMC_PROTECTION_SET 0x82002010
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#endif
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#ifndef G2D_ALWAYS_S
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#define G2D_ALWAYS_S 37
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#endif
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#endif /* __EXYNOS_G2D_SECURE_H__ */
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