kernel_samsung_a34x-permissive/drivers/misc/mediatek/include/mt-plat/sync_write.h
2024-04-28 15:51:13 +02:00

81 lines
1.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#ifndef MT_SYNC_WRITE_H
#define MT_SYNC_WRITE_H
#if defined(__KERNEL__)
#include <linux/io.h>
#include <asm/cacheflush.h>
/*
* Define macros.
*/
#define mt_reg_sync_writel(v, a) \
do { \
__raw_writel((v), (void __force __iomem *)((a))); \
dsb(sy); \
} while (0)
#define mt_reg_sync_writew(v, a) \
do { \
__raw_writew((v), (void __force __iomem *)((a))); \
dsb(sy); \
} while (0)
#define mt_reg_sync_writeb(v, a) \
do { \
__raw_writeb((v), (void __force __iomem *)((a))); \
dsb(sy); \
} while (0)
#ifdef CONFIG_64BIT
#define mt_reg_sync_writeq(v, a) \
do { \
__raw_writeq((v), (void __force __iomem *)((a))); \
dsb(sy); \
} while (0)
#endif
#else /* __KERNEL__ */
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#define mt_reg_sync_writel(v, a) mt65xx_reg_sync_writel(v, a)
#define mt_reg_sync_writew(v, a) mt65xx_reg_sync_writew(v, a)
#define mt_reg_sync_writeb(v, a) mt65xx_reg_sync_writeb(v, a)
#define dsb() \
{ \
__asm__ __volatile__("dsb sy" : : : "memory"); \
}
#define mt65xx_reg_sync_writel(v, a) \
do { \
*(volatile unsigned int *)(a) = (v); \
dsb(); \
} while (0)
#define mt65xx_reg_sync_writew(v, a) \
do { \
*(volatile unsigned short *)(a) = (v); \
dsb(); \
} while (0)
#define mt65xx_reg_sync_writeb(v, a) \
do { \
*(volatile unsigned char *)(a) = (v); \
dsb(); \
} while (0)
#endif /* __KERNEL__ */
#endif /* !MT_SYNC_WRITE_H */