Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _ZL3073X_SYNTH_H
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#define _ZL3073X_SYNTH_H
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#include <linux/bitfield.h>
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#include <linux/math64.h>
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#include <linux/types.h>
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#include "regs.h"
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struct zl3073x_dev;
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/**
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* struct zl3073x_synth - synthesizer state
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* @freq_mult: frequency multiplier
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* @freq_base: frequency base
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* @freq_m: frequency numerator
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* @freq_n: frequency denominator
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* @ctrl: synth control
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*/
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struct zl3073x_synth {
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u32 freq_mult;
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u16 freq_base;
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u16 freq_m;
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u16 freq_n;
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u8 ctrl;
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};
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int zl3073x_synth_state_fetch(struct zl3073x_dev *zldev, u8 synth_id);
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const struct zl3073x_synth *zl3073x_synth_state_get(struct zl3073x_dev *zldev,
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u8 synth_id);
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int zl3073x_synth_state_set(struct zl3073x_dev *zldev, u8 synth_id,
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const struct zl3073x_synth *synth);
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/**
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* zl3073x_synth_dpll_get - get DPLL ID the synth is driven by
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* @synth: pointer to synth state
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*
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* Return: ID of DPLL the given synthetizer is driven by
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*/
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static inline u8 zl3073x_synth_dpll_get(const struct zl3073x_synth *synth)
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{
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return FIELD_GET(ZL_SYNTH_CTRL_DPLL_SEL, synth->ctrl);
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}
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/**
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* zl3073x_synth_freq_get - get synth current freq
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* @synth: pointer to synth state
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*
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* Return: frequency of given synthetizer
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*/
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static inline u32 zl3073x_synth_freq_get(const struct zl3073x_synth *synth)
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{
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return mul_u64_u32_div(synth->freq_base * synth->freq_m,
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synth->freq_mult, synth->freq_n);
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}
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/**
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* zl3073x_synth_is_enabled - check if the given synth is enabled
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* @synth: pointer to synth state
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*
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* Return: true if synth is enabled, false otherwise
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*/
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static inline bool zl3073x_synth_is_enabled(const struct zl3073x_synth *synth)
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{
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return FIELD_GET(ZL_SYNTH_CTRL_EN, synth->ctrl);
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}
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#endif /* _ZL3073X_SYNTH_H */
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