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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-3-08 GuEe-GUI the first version
*/
#ifndef __ROCKCHIP_H__
#define __ROCKCHIP_H__
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <dt-bindings/size.h>
#define rk_clrsetreg(addr, clr, set) HWREG32(addr) = (((clr) | (set)) << 16 | (set))
#define rk_clrreg(addr, clr) HWREG32(addr) = ((clr) << 16)
#define rk_setreg(addr, set) HWREG32(addr) = ((set) << 16 | (set))
#define HIWORD_UPDATE(val, mask, shift) ((val) << (shift) | (mask) << ((shift) + 16))
#define readx_poll_timeout(OP, ADDR, VAL, COND, DELAY_US, TIMEOUT_US) \
({ \
rt_uint64_t timeout_us = (TIMEOUT_US); \
rt_int64_t left_ns = timeout_us * 1000L; \
rt_ubase_t delay_us = (DELAY_US); \
rt_uint64_t delay_ns = delay_us * 1000L; \
for (;;) \
{ \
(VAL) = OP(ADDR); \
if (COND) \
{ \
break; \
} \
if (timeout_us && left_ns < 0) \
{ \
(VAL) = OP(ADDR); \
break; \
} \
if (delay_us) \
{ \
rt_hw_us_delay(delay_us); \
if (timeout_us) \
{ \
left_ns -= delay_ns; \
} \
} \
rt_hw_cpu_relax(); \
if (timeout_us) \
{ \
--left_ns; \
} \
} \
(COND) ? RT_EOK : -RT_ETIMEOUT; \
})
#define readl_poll_timeout(ADDR, VAL, COND, DELAY_US, TIMEOUT_US) \
readx_poll_timeout(HWREG32, ADDR, VAL, COND, DELAY_US, TIMEOUT_US)
#define is_aligned(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
rt_inline int fls(int x)
{
return x ? sizeof(x) * 8 - __builtin_clz(x) : 0;
}
rt_inline int fls_long(unsigned long x)
{
return x ? sizeof(x) * 8 - __builtin_clzl(x) : 0;
}
rt_inline int __roundup_pow_of_two(rt_uint32_t x)
{
return 1UL << fls(x - 1);
}
rt_inline int __rounddown_pow_of_two(rt_uint32_t x)
{
return (1UL << fls(x - 1)) / 2;
}
#endif /* __ROCKCHIP_H__ */
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