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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 _SCALE_DRV_H_
#define _SCALE_DRV_H_
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/types.h>
#include <video/sprd_scale_k.h>
#include "scale_reg.h"
//#define SCALE_DEBUG
#ifdef SCALE_DEBUG
#define SCALE_TRACE printk
#else
#define SCALE_TRACE pr_debug
#endif
typedef void (*scale_isr_func)(void *scale_k_private);
struct scale_path_info{
struct scale_size_t input_size;
struct scale_rect_t input_rect;
struct scale_size_t sc_input_size;
struct scale_addr_t input_addr;
uint32_t input_format;
struct scale_size_t output_size;
struct scale_addr_t output_addr;
uint32_t output_format;
uint32_t scale_mode;
uint32_t slice_height;
uint32_t slice_out_height;
uint32_t slice_in_height;
uint32_t is_last_slice;
void *user_data;
uint32_t sc_deci_val;
void * coeff_addr;
uint32_t is_wait_stop;
struct semaphore done_sem;
};
struct scale_drv_private{
struct scale_path_info path_info;
struct scale_frame_info_t frm_info;
spinlock_t scale_drv_lock;
scale_isr_func user_isr_func;
void *scale_fd;/*scale file*/
};
int32_t scale_k_module_en(struct device_node *dn);
int32_t scale_k_module_dis(struct device_node *dn);
int scale_k_start(struct scale_frame_param_t *cfg_ptr, struct scale_path_info *path_info_ptr);
int scale_k_stop(void);
int scale_k_continue(struct scale_slice_param_t *cfg_ptr, struct scale_path_info *path_info_ptr);
int scale_k_isr_reg(scale_isr_func user_func, struct scale_drv_private *drv_private);
#endif
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