/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef __local_pwn_H__
#define __local_pwn_H__

#define SIOCIWFIRSTPRIV 0x8BE0
#define SIOCGIWNAME     0x8B01
#define IOCTL_SET_STRUCT_FOR_EM         (SIOCIWFIRSTPRIV + 11)
#define PRIV_CUSTOM_BWCS_CMD            13
#define PRIV_CMD_OID                    15
#define PRIV_CMD_SW_CTRL                20
#define PRIV_CMD_WSC_PROBE_REQ          22

enum host1x_class {
        HOST1X_CLASS_HOST1X = 0x1,
        HOST1X_CLASS_NVENC = 0x21,
        HOST1X_CLASS_VI = 0x30,
        HOST1X_CLASS_ISPA = 0x32,
        HOST1X_CLASS_ISPB = 0x34,
        HOST1X_CLASS_GR2D = 0x51,
        HOST1X_CLASS_GR2D_SB = 0x52,
        HOST1X_CLASS_VIC = 0x5D,
        HOST1X_CLASS_GR3D = 0x60,
        HOST1X_CLASS_NVJPG = 0xC0,
        HOST1X_CLASS_NVDEC = 0xF0,
};

#define DRM_COMMAND_BASE                0x40
#define DRM_COMMAND_END                 0xA0

#define DRM_TEGRA_OPEN_CHANNEL          0x05
#define DRM_TEGRA_CLOSE_CHANNEL         0x06
#define DRM_TEGRA_SUBMIT		0x08

struct drm_tegra_open_channel {
        __u32 client;
        __u32 pad;
        __u64 context;
};

struct drm_tegra_close_channel {
        __u64 context;
};

struct drm_tegra_submit {
	__u64 context;
	__u32 num_syncpts;
	__u32 num_cmdbufs;
	__u32 num_relocs;
	__u32 num_waitchks;
	__u32 waitchk_mask;
	__u32 timeout;
	__u64 syncpts;
	__u64 cmdbufs;
	__u64 relocs;
	__u64 waitchks;
	__u32 fence;		/* Return value */
	__u32 reserved0;
	__u64 fences;
	__u32 reserved1[2];	/* future expansion */
};

#define DRM_IOCTL_BASE                  'd'
#define DRM_IOWR(nr,type)               _IOWR(DRM_IOCTL_BASE,nr,type)
#define DRM_IOCTL_TEGRA_OPEN_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_OPEN_CHANNEL, struct drm_tegra_open_channel)
#define DRM_IOCTL_TEGRA_CLOSE_CHANNEL DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_CLOSE_CHANNEL, struct drm_tegra_open_channel)
#define DRM_IOCTL_TEGRA_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_TEGRA_SUBMIT, struct drm_tegra_submit)

struct drm_tegra_syncpt {
	__u32 id;
	__u32 incrs;
};

struct list_head {
	struct list_head *next, *prev;
};

struct tegra_drm_client_ops {
	void* open_channel;
	void* close_channel; 
	void* reset;
	void* is_add_reg;
	void* submit;
};

struct tegra_drm_client {
	/* sizeof(host1x_client) is 232 */
	unsigned char pad[232];	/* maybe gadget arguments */
	struct list_head list;
	struct tegra_drm_client_ops *ops;
};

struct tegra_drm_context {
	struct tegra_drm_client *client;
	void *channel;
	struct list_head list;
	/* FIXME we need pass lock op */
	//struct mutex lock;
	//bool keepon;
	//struct host1x_user user;
};

#endif