// SPDX-License-Identifier: GPL-2.0
/**
 * Copyright (c) 2024-2025 CALCULET Technologies Ltd. All rights reserved.
 */

#ifndef _CALCULET_FOPS_H_
#define _CALCULET_FOPS_H_

#include <linux/fs.h>
#include <linux/interrupt.h>

// 定义offset映射规则
#define MMAP_BAR2_OFFSET    0x10000000
#define MMAP_BAR4_OFFSET    0x20000000
#define MMAP_DMA_OFFSET     0x30000000

/* 为了兼容性，保留原有的一些常量定义 */
#define RESET_COMPLETION_TIMEOUT_MS 5000  // 减少到5秒
#define MAX_RESET_RETRY 100               // 增加重试次数但减少单次延时
#define RETRY_DELAY_US 1000               // 减少到1ms

// calculet ioc info bar4
#define CALCULET_PRODUCT_NAME_REG       0x0000
#define CALCULET_SERIAL_NUMBER_REG      0x4800
#define CALCULET_PRODUCT_NUMBER_REG     0x002C
#define CALCULET_FIRMWARE_VERSION_REG   0x0020

#define CALCULET_TOTAL_MEMORY_REG       0x004C
#define CALCULET_MEMORY_BANDWIDTH_REG   0x0054
#define CALCULET_DDR_FREQUENCY_REG      0x005C
#define CALCULET_MAX_POWER_LIMIT_REG    0x0060
#define CALCULET_TEMP_LIMIT_REG         0x0064

int calculet_pcie_fops_open(struct inode* inode, struct file* filp);
int calculet_pcie_fops_release(struct inode* inode, struct file* filp);
long calculet_pcie_fops_unlockedioctl(struct file* filp, unsigned int cmd, unsigned long arg);
int calculet_pcie_fops_mmap(struct file* filp, struct vm_area_struct *vma);

#endif /* _CALCULET_FOPS_H_ */