1/*
2 * vivid-radio-common.h - common radio rx/tx support functions.
3 *
4 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
5 *
6 * This program is free software; you may redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
11 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
12 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
13 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
14 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
15 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
16 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20#ifndef _VIVID_RADIO_COMMON_H_
21#define _VIVID_RADIO_COMMON_H_
22
23/* The supported radio frequency ranges in kHz */
24#define FM_FREQ_RANGE_LOW       (64000U * 16U)
25#define FM_FREQ_RANGE_HIGH      (108000U * 16U)
26#define AM_FREQ_RANGE_LOW       (520U * 16U)
27#define AM_FREQ_RANGE_HIGH      (1710U * 16U)
28#define SW_FREQ_RANGE_LOW       (2300U * 16U)
29#define SW_FREQ_RANGE_HIGH      (26100U * 16U)
30
31enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS };
32
33extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS];
34
35int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf);
36int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf);
37
38void vivid_radio_rds_init(struct vivid_dev *dev);
39
40#endif
41