pll.h

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/*
 * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef _HARDWARE_PLL_H
#define _HARDWARE_PLL_H
 
#include "pico.h"
#include "hardware/structs/pll.h"
 
#ifdef __cplusplus
extern "C" {
#endif

 
typedef pll_hw_t *PLL;
 
#define pll_sys pll_sys_hw
#define pll_usb pll_usb_hw
 
#ifndef PICO_PLL_VCO_MIN_FREQ_HZ
#ifdef PICO_PLL_VCO_MIN_FREQ_MHZ
#define PICO_PLL_VCO_MIN_FREQ_HZ (PICO_PLL_VCO_MIN_FREQ_MHZ * MHZ)
#elif defined(PICO_PLL_VCO_MIN_FREQ_KHZ)
#define PICO_PLL_VCO_MIN_FREQ_HZ (PICO_PLL_VCO_MIN_FREQ_KHZ * KHZ)
#else
#define PICO_PLL_VCO_MIN_FREQ_HZ (750 * MHZ)
#endif
#endif
 
#ifndef PICO_PLL_VCO_MAX_FREQ_HZ
#ifdef PICO_PLL_VCO_MAX_FREQ_MHZ
#define PICO_PLL_VCO_MAX_FREQ_HZ (PICO_PLL_VCO_MAX_FREQ_MHZ * MHZ)
#elif defined(PICO_PLL_VCO_MAX_FREQ_KHZ)
#define PICO_PLL_VCO_MAX_FREQ_HZ (PICO_PLL_VCO_MAX_FREQ_KHZ * KHZ)
#else
#define PICO_PLL_VCO_MAX_FREQ_HZ (1600 * MHZ)
#endif
#endif

void pll_init(PLL pll, uint ref_div, uint vco_freq, uint post_div1, uint post_div2);

void pll_deinit(PLL pll);

#ifndef PLL_RESET_NUM
#define PLL_RESET_NUM(pll) ((pll_usb_hw == (pll)) ? RESET_PLL_USB : RESET_PLL_SYS)
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif