69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
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/*
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* drivers/video/tegra/host/nvdec/nvdec.h
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*
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* Tegra NVDEC Module Support
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*
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* Copyright (c) 2013-2018, 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_NVDEC_H__
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#define __NVHOST_NVDEC_H__
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#include <linux/types.h>
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#include <linux/nvhost.h>
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#include "../flcn/flcn.h"
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extern const struct file_operations tegra_nvdec_ctrl_ops;
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int nvhost_nvdec_finalize_poweron(struct platform_device *dev);
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int nvhost_nvdec_prepare_poweroff(struct platform_device *dev);
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int nvhost_nvdec_t210_finalize_poweron(struct platform_device *dev);
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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_NVDEC_VER(maj, min) \
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((((maj) & 0xff) << 8) | ((min) & 0xff))
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static inline void nvdec_decode_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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struct nvdec_private {
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struct platform_device *pdev;
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atomic_t refcnt;
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};
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struct nvdec {
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bool valid;
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size_t size;
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struct flcn_os_image os;
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dma_addr_t dma_addr;
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u32 *mapped;
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};
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struct nvdec_bl_shared_data {
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uint ls_fw_start_addr;
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uint ls_fw_size;
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uint wpr_addr;
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uint wpr_size;
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};
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#endif
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