1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * vivid-radio-common.h - common radio rx/tx support functions. 4 * 5 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. 6 */ 7 8#ifndef _VIVID_RADIO_COMMON_H_ 9#define _VIVID_RADIO_COMMON_H_ 10 11/* The supported radio frequency ranges in kHz */ 12#define FM_FREQ_RANGE_LOW (64000U * 16U) 13#define FM_FREQ_RANGE_HIGH (108000U * 16U) 14#define AM_FREQ_RANGE_LOW (520U * 16U) 15#define AM_FREQ_RANGE_HIGH (1710U * 16U) 16#define SW_FREQ_RANGE_LOW (2300U * 16U) 17#define SW_FREQ_RANGE_HIGH (26100U * 16U) 18 19enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS }; 20 21extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS]; 22 23int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf); 24int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf); 25 26void vivid_radio_rds_init(struct vivid_dev *dev); 27 28#endif 29