52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2020 MediaTek Inc.
|
|
* Author: Yu-Chang Wang <Yu-Chang.Wang@mediatek.com>
|
|
*/
|
|
#ifndef __CLK_FHCTL_UTIL_H
|
|
#define __CLK_FHCTL_UTIL_H
|
|
|
|
#ifdef CONFIG_MTK_AEE_FEATURE
|
|
#include <mt-plat/aee.h>
|
|
#endif
|
|
|
|
#define fh_set_field(reg, field, val) \
|
|
do { \
|
|
unsigned int tv = readl(reg); \
|
|
tv &= ~(field); \
|
|
tv |= ((val) << (ffs(field) - 1)); \
|
|
writel(tv, reg); \
|
|
} while (0)
|
|
|
|
#define fh_get_field(reg, field, val) \
|
|
do { \
|
|
unsigned int tv = readl(reg); \
|
|
val = ((tv & (field)) >> (ffs(field) - 1)); \
|
|
} while (0)
|
|
|
|
#define FHDBG(fmt, args...) pr_notice("[FHCTL], <%s(), %d> " fmt, __func__, __LINE__, ## args)
|
|
#define FHDBG_LIMIT(FREQ, fmt, args...) do {\
|
|
static DEFINE_RATELIMIT_STATE(ratelimit, HZ, FREQ);\
|
|
static int skip_cnt;\
|
|
\
|
|
if (0)\
|
|
FHDBG(fmt "<unlimit>\n", ## args);\
|
|
else { \
|
|
if (__ratelimit(&ratelimit)) {\
|
|
FHDBG(fmt ", skip_cnt<%d>\n", ## args, skip_cnt);\
|
|
skip_cnt = 0;\
|
|
} else\
|
|
skip_cnt++;\
|
|
} \
|
|
} while (0)
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTK_AEE_FEATURE
|
|
static inline void notify_err(void)
|
|
{
|
|
aee_kernel_warning("fhctl", "check error\n");
|
|
}
|
|
#else
|
|
static inline void notify_err(void){}
|
|
#endif
|