60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* drivers/video/tegra/host/host1x/host1x_hwctx.h
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*
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* Tegra Graphics Host HOST1X Hardware Context Interface
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*
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* Copyright (c) 2012-2013, 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
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __NVHOST_HOST1X_HWCTX_H
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#define __NVHOST_HOST1X_HWCTX_H
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#include <linux/kref.h>
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#include "nvhost_hwctx.h"
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struct nvhost_hwctx_handler;
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struct nvhost_channel;
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struct sg_table;
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#define to_host1x_hwctx_handler(handler) \
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container_of((handler), struct host1x_hwctx_handler, h)
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#define to_host1x_hwctx(h) container_of((h), struct host1x_hwctx, hwctx)
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#define host1x_hwctx_handler(_hwctx) to_host1x_hwctx_handler((_hwctx)->hwctx.h)
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struct host1x_hwctx {
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struct nvhost_hwctx hwctx;
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u32 restore_size;
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u32 *cpuva;
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dma_addr_t iova;
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bool mem_flag;
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};
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struct host1x_hwctx_handler {
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struct nvhost_hwctx_handler h;
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u32 restore_size;
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u32 restore_incrs;
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u32 save_incrs;
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u32 save_slots;
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u32 save_size;
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u32 *cpuva;
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dma_addr_t iova;
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};
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#endif
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