| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * vivid-radio-common.h - common radio rx/tx support functions. |
| * |
| * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. |
| */ |
| |
| #ifndef _VIVID_RADIO_COMMON_H_ |
| #define _VIVID_RADIO_COMMON_H_ |
| |
| /* The supported radio frequency ranges in kHz */ |
| #define FM_FREQ_RANGE_LOW (64000U * 16U) |
| #define FM_FREQ_RANGE_HIGH (108000U * 16U) |
| #define AM_FREQ_RANGE_LOW (520U * 16U) |
| #define AM_FREQ_RANGE_HIGH (1710U * 16U) |
| #define SW_FREQ_RANGE_LOW (2300U * 16U) |
| #define SW_FREQ_RANGE_HIGH (26100U * 16U) |
| |
| enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS }; |
| |
| extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS]; |
| |
| int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf); |
| int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf); |
| |
| void vivid_radio_rds_init(struct vivid_dev *dev); |
| |
| #endif |
