LXR linux/drivers/media/test-drivers/vivid/vivid-radio-common.h

   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