Hans Verkuil | 55d58e9 | 2014-08-25 08:02:56 -0300 | [diff] [blame] | 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 | |
| 31 | enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS }; |
| 32 | |
| 33 | extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS]; |
| 34 | |
| 35 | int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf); |
| 36 | int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf); |
| 37 | |
| 38 | void vivid_radio_rds_init(struct vivid_dev *dev); |
| 39 | |
| 40 | #endif |