amlogic-aml8726-mx-kernel/drivers/amlogic/camera/common/vm.h

#ifndef _VM_INCLUDE__
#define _VM_INCLUDE__

#include <linux/interrupt.h>
#include <mach/am_regs.h>
#include <linux/amports/canvas.h>
#include <linux/fb.h>
#include <linux/list.h>
#include <asm/uaccess.h>
#include <linux/sysfs.h>
#include  <linux/spinlock.h>
#include <linux/kthread.h>


/**************************************************************
**																	 **
**	macro define		 												 **
**																	 **
***************************************************************/

#define VM_IOC_MAGIC  'P'
#define VM_IOC_2OSD0		_IOW(VM_IOC_MAGIC, 0x00, unsigned int)
#define VM_IOC_ENABLE_PP _IOW(VM_IOC_MAGIC,0X01,unsigned int)
#define VM_IOC_CONFIG_FRAME  _IOW(VM_IOC_MAGIC,0X02,unsigned int)


typedef struct display_frame_s{
	int frame_top;
	int frame_left;
	int frame_width;
	int frame_height;	
	int content_top;
	int content_left;
	int content_width;
	int content_height;
}display_frame_t;

extern int get_vm_status(void);
extern void set_vm_status(int flag);


/* for vm device op. */
extern int  init_vm_device(void);
extern int uninit_vm_device(void);

/* for vm device class op. */
extern struct class* init_vm_cls(void);

/* for thread of vm. */
extern int start_vpp_task(void);
extern void stop_vpp_task(void);

/* for vm private member. */
extern void set_vm_buf_info(char* start,unsigned int size);
extern void get_vm_buf_info(const char** start,unsigned int* size,char** vaddr) ;


/*  vm buffer op. */
extern int vm_buffer_init(void);
extern void vm_local_init(void) ;
static DEFINE_MUTEX(vm_mutex);

#endif /* _VM_INCLUDE__ */