#ifndef __ION_DRV_H__
#define __ION_DRV_H__
#include <linux/ion.h>

#define BACKTRACE_SIZE 10

/* Structure definitions */

typedef enum {
	ION_CMD_SYSTEM,
	ION_CMD_MULTIMEDIA,
} ION_CMDS;

typedef enum {
	ION_MM_CONFIG_BUFFER,
	ION_MM_SET_DEBUG_INFO,
	ION_MM_GET_DEBUG_INFO,
	ION_MM_SET_SF_BUF_INFO,
	ION_MM_GET_SF_BUF_INFO
} ION_MM_CMDS;

typedef enum {
	ION_SYS_CACHE_SYNC,
	ION_SYS_GET_PHYS,
	ION_SYS_GET_CLIENT,
	ION_SYS_SET_HANDLE_BACKTRACE,
	ION_SYS_SET_CLIENT_NAME,
	ION_SYS_DMA_OP,
} ION_SYS_CMDS;

typedef enum {
	ION_CACHE_CLEAN_BY_RANGE,
	ION_CACHE_INVALID_BY_RANGE,
	ION_CACHE_FLUSH_BY_RANGE,
	ION_CACHE_CLEAN_BY_RANGE_USE_VA,
	ION_CACHE_INVALID_BY_RANGE_USE_VA,
	ION_CACHE_FLUSH_BY_RANGE_USE_VA,
	ION_CACHE_CLEAN_ALL,
	ION_CACHE_INVALID_ALL,
	ION_CACHE_FLUSH_ALL
} ION_CACHE_SYNC_TYPE;

typedef enum {
	ION_ERROR_CONFIG_LOCKED = 0x10000
} ION_ERROR_E;

typedef struct ion_sys_cache_sync_param {
	union {
		ion_user_handle_t handle;
		void *kernel_handle;
	};
	void *va;
	unsigned int size;
	ION_CACHE_SYNC_TYPE sync_type;
} ion_sys_cache_sync_param_t;

typedef enum {
	ION_DMA_MAP_AREA,
	ION_DMA_UNMAP_AREA,
	ION_DMA_MAP_AREA_VA,
	ION_DMA_UNMAP_AREA_VA,
	ION_DMA_CACHE_FLUSH_ALL
} ION_DMA_TYPE;

typedef enum {
	ION_DMA_FROM_DEVICE,
	ION_DMA_TO_DEVICE,
	ION_DMA_BIDIRECTIONAL,
} ION_DMA_DIR;

typedef struct ion_dma_param {
	union {
		ion_user_handle_t handle;
		void *kernel_handle;
	};
	void *va;
	unsigned int size;
	ION_DMA_TYPE dma_type;
	ION_DMA_DIR dma_dir;
} ion_sys_dma_param_t;

typedef struct ion_sys_get_phys_param {
	union {
		ion_user_handle_t handle;
		void *kernel_handle;
	};
	unsigned int phy_addr;
	unsigned long len;
} ion_sys_get_phys_param_t;

#define ION_MM_DBG_NAME_LEN 16
#define ION_MM_SF_BUF_INFO_LEN 16

typedef struct __ion_sys_client_name {
	char name[ION_MM_DBG_NAME_LEN];
} ion_sys_client_name_t;

typedef struct ion_sys_get_client_param {
	unsigned int client;
} ion_sys_get_client_param_t;

typedef struct ion_sys_record_param {
	pid_t group_id;
	pid_t pid;
	unsigned int action;
	unsigned int address_type;
	unsigned int address;
	unsigned int length;
	unsigned int backtrace[BACKTRACE_SIZE];
	unsigned int backtrace_num;
	struct ion_handle *handle;
	struct ion_client *client;
	struct ion_buffer *buffer;
	struct file *file;
	int fd;
} ion_sys_record_t;

typedef struct ion_sys_data {
	ION_SYS_CMDS sys_cmd;
	union {
		ion_sys_cache_sync_param_t cache_sync_param;
		ion_sys_get_phys_param_t get_phys_param;
		ion_sys_get_client_param_t get_client_param;
		ion_sys_client_name_t client_name_param;
		ion_sys_record_t record_param;
		ion_sys_dma_param_t dma_param;
	};
} ion_sys_data_t;

typedef struct ion_mm_config_buffer_param {
	union {
		ion_user_handle_t handle;
		void *kernel_handle;
	};
	int eModuleID;
	unsigned int security;
	unsigned int coherent;
} ion_mm_config_buffer_param_t;

typedef struct __ion_mm_buf_debug_info {
	union {
		ion_user_handle_t handle;
		void *kernel_handle;
	};
	char dbg_name[ION_MM_DBG_NAME_LEN];
	unsigned int value1;
	unsigned int value2;
	unsigned int value3;
	unsigned int value4;
} ion_mm_buf_debug_info_t;

typedef struct __ion_mm_sf_buf_info {
	union {
		ion_user_handle_t handle;
		void *kernel_handle;
	};
	unsigned int info[ION_MM_SF_BUF_INFO_LEN];
} ion_mm_sf_buf_info_t;

typedef struct ion_mm_data {
	ION_MM_CMDS mm_cmd;
	union {
		ion_mm_config_buffer_param_t config_buffer_param;
		ion_mm_buf_debug_info_t buf_debug_info_param;
		ion_mm_sf_buf_info_t sf_buf_info_param;
	};
} ion_mm_data_t;

#endif