51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/*
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* drivers/video/tegra/host/tsec/tsec.h
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*
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* Tegra TSEC Module Support
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*
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* Copyright (c) 2012-2015, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __NVHOST_TSEC_H__
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#define __NVHOST_TSEC_H__
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#include <linux/types.h>
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#include <linux/nvhost.h>
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int nvhost_tsec_finalize_poweron(struct platform_device *dev);
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int nvhost_tsec_prepare_poweroff(struct platform_device *dev);
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void nvhost_tsec_isr(void);
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void nvhost_tsec_isr_thread(void);
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/* Would have preferred a static inline here... but we're using this
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* in a place where a constant initializer is required */
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#define NVHOST_ENCODE_TSEC_VER(maj, min) ( (((maj) & 0xff) << 8) | ((min) & 0xff) )
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static inline void decode_tsec_ver(int version, u8 *maj, u8 *min)
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{
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u32 uv32 = (u32)version;
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*maj = (u8)((uv32 >> 8) & 0xff);
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*min = (u8)(uv32 & 0xff);
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}
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enum tsec_host1x_state_t {
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tsec_host1x_none,
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tsec_host1x_request_access,
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tsec_host1x_access_granted,
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tsec_host1x_release_access,
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};
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#endif
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