linux/drivers/clk/mediatek/clk-fhctl.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2022 MediaTek Inc.
 * Author: Edward-JW Yang <[email protected]>
 */

#include <linux/io.h>
#include <linux/iopoll.h>

#include "clk-mtk.h"
#include "clk-pllfh.h"
#include "clk-fhctl.h"

#define PERCENT_TO_DDSLMT(dds, percent_m10) …

static const struct fhctl_offset fhctl_offset_v1 = …;

static const struct fhctl_offset fhctl_offset_v2 = …;

const struct fhctl_offset *fhctl_get_offset_table(enum fhctl_variant v)
{ … }

static void dump_hw(struct mtk_clk_pll *pll, struct fh_pll_regs *regs,
		    const struct fh_pll_data *data)
{ … }

static int fhctl_set_ssc_regs(struct mtk_clk_pll *pll, struct fh_pll_regs *regs,
			      const struct fh_pll_data *data, u32 rate)
{ … }

static int hopping_hw_flow(struct mtk_clk_pll *pll, struct fh_pll_regs *regs,
			   const struct fh_pll_data *data,
			   struct fh_pll_state *state, unsigned int new_dds)
{ … }

static unsigned int __get_postdiv(struct mtk_clk_pll *pll)
{ … }

static void __set_postdiv(struct mtk_clk_pll *pll, unsigned int postdiv)
{ … }

static int fhctl_hopping(struct mtk_fh *fh, unsigned int new_dds,
			 unsigned int postdiv)
{ … }

static int fhctl_ssc_enable(struct mtk_fh *fh, u32 rate)
{ … }

static const struct fh_operation fhctl_ops = …;

const struct fh_operation *fhctl_get_ops(void)
{ … }

void fhctl_hw_init(struct mtk_fh *fh)
{ … }