42 lines
1 KiB
C
42 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2021, The Linux Foundation. All rights reserved.
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*/
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#ifndef _QTI_PWM_H
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#define _QTI_PWM_H
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#include <linux/bitops.h>
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#include <linux/errno.h>
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#include <linux/pwm.h>
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#include <linux/types.h>
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/**
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* enum pwm_output_type - output type of the PWM signal
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* @PWM_OUTPUT_FIXED: PWM output is fixed until a change request
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* @PWM_OUTPUT_MODULATED: PWM output is modulated in hardware
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* autonomously with a predefined pattern
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*/
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enum pwm_output_type {
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PWM_OUTPUT_FIXED = BIT(0),
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PWM_OUTPUT_MODULATED = BIT(1),
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};
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#if IS_ENABLED(CONFIG_PWM_QTI_LPG)
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int qpnp_lpg_pwm_get_output_types_supported(struct pwm_device *pwm);
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int qpnp_lpg_pwm_set_output_type(struct pwm_device *pwm,
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enum pwm_output_type output_type);
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#else
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static inline int
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qpnp_lpg_pwm_get_output_types_supported(struct pwm_device *pwm)
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{
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return -EINVAL;
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}
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static inline int qpnp_lpg_pwm_set_output_type(struct pwm_device *pwm,
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enum pwm_output_type output_type)
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{
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return -EINVAL;
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}
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#endif
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#endif
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