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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*/
#ifndef _SPRD_JPG_H
#define _SPRD_JPG_H
#include <linux/ioctl.h>
/*76k vsp address space size*/
#define SPRD_JPG_MAP_SIZE 0x6000
#define SPRD_JPG_IOCTL_MAGIC 'm'
#define JPG_CONFIG_FREQ _IOW(SPRD_JPG_IOCTL_MAGIC, 1, unsigned int)
#define JPG_GET_FREQ _IOR(SPRD_JPG_IOCTL_MAGIC, 2, unsigned int)
#define JPG_ENABLE _IO(SPRD_JPG_IOCTL_MAGIC, 3)
#define JPG_DISABLE _IO(SPRD_JPG_IOCTL_MAGIC, 4)
#define JPG_ACQUAIRE _IO(SPRD_JPG_IOCTL_MAGIC, 5)
#define JPG_RELEASE _IO(SPRD_JPG_IOCTL_MAGIC, 6)
#define JPG_START _IO(SPRD_JPG_IOCTL_MAGIC, 7)
#define JPG_RESET _IO(SPRD_JPG_IOCTL_MAGIC, 8)
//#define JPG_REG_IRQ _IO(SPRD_JPG_IOCTL_MAGIC,9)
//#define JPG_UNREG_IRQ _IO(SPRD_JPG_IOCTL_MAGIC,10)
#define JPG_ACQUAIRE_MBIO_VLC_DONE _IOR(SPRD_JPG_IOCTL_MAGIC, 9,unsigned int)
enum sprd_jpg_frequency_e{
JPG_FREQENCY_LEVEL_0 = 0,
JPG_FREQENCY_LEVEL_1 = 1,
JPG_FREQENCY_LEVEL_2 = 2,
JPG_FREQENCY_LEVEL_3 = 3
};
/*
ioctl command description
the JPG module user must mmap the jpg module address space to user-space to access
the hardware.
JPG_ACQUAIRE:aquaire the jpg module lock
JPG_RELEASE:release the jpg module lock
all other commands must be sent only when the JPG user posses the lock
JPG_ENABLE:enable jpg module clock
JPG_DISABLE:disable jpg module clock
JPG_START:all the preparing work is done and start the jpg module, the jpg module finishes
its job after this command retruns.
JPG_RESET:reset jpg module hardware
JPG_CONFIG_FREQ/JPG_GET_FREQ:set/get jpg module frequency,the parameter is of
type sprd_jpg_frequency_e, the smaller the faster
*/
#endif
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