1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * vivid-radio-common.h - common radio rx/tx support functions. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _VIVID_RADIO_COMMON_H_ 9*4882a593Smuzhiyun #define _VIVID_RADIO_COMMON_H_ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* The supported radio frequency ranges in kHz */ 12*4882a593Smuzhiyun #define FM_FREQ_RANGE_LOW (64000U * 16U) 13*4882a593Smuzhiyun #define FM_FREQ_RANGE_HIGH (108000U * 16U) 14*4882a593Smuzhiyun #define AM_FREQ_RANGE_LOW (520U * 16U) 15*4882a593Smuzhiyun #define AM_FREQ_RANGE_HIGH (1710U * 16U) 16*4882a593Smuzhiyun #define SW_FREQ_RANGE_LOW (2300U * 16U) 17*4882a593Smuzhiyun #define SW_FREQ_RANGE_HIGH (26100U * 16U) 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS }; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS]; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf); 24*4882a593Smuzhiyun int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf); 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun void vivid_radio_rds_init(struct vivid_dev *dev); 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #endif 29