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/*
* drivers/video/tegra/host/host1x/host1x_hwctx.h
*
* Tegra Graphics Host HOST1X Hardware Context Interface
*
* Copyright (c) 2012, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __NVHOST_HOST1X_HWCTX_H
#define __NVHOST_HOST1X_HWCTX_H
#include <linux/kref.h>
#include "nvhost_hwctx.h"
struct nvhost_hwctx_handler;
struct nvhost_channel;
#define to_host1x_hwctx_handler(handler) \
container_of((handler), struct host1x_hwctx_handler, h)
#define to_host1x_hwctx(h) container_of((h), struct host1x_hwctx, hwctx)
#define host1x_hwctx_handler(_hwctx) to_host1x_hwctx_handler((_hwctx)->hwctx.h)
struct host1x_hwctx {
struct nvhost_hwctx hwctx;
u32 save_incrs;
u32 save_thresh;
u32 save_slots;
struct nvmap_handle_ref *restore;
u32 *restore_virt;
phys_addr_t restore_phys;
u32 restore_size;
u32 restore_incrs;
};
struct host1x_hwctx_handler {
struct nvhost_hwctx_handler h;
u32 syncpt;
u32 waitbase;
u32 restore_size;
u32 restore_incrs;
struct nvmap_handle_ref *save_buf;
u32 save_incrs;
u32 save_thresh;
u32 save_slots;
phys_addr_t save_phys;
u32 save_size;
};
#endif
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