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40 lines
1.6 KiB
40 lines
1.6 KiB
/*
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* vivid-radio-common.h - common radio rx/tx support functions.
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*
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* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _VIVID_RADIO_COMMON_H_
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#define _VIVID_RADIO_COMMON_H_
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/* The supported radio frequency ranges in kHz */
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#define FM_FREQ_RANGE_LOW (64000U * 16U)
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#define FM_FREQ_RANGE_HIGH (108000U * 16U)
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#define AM_FREQ_RANGE_LOW (520U * 16U)
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#define AM_FREQ_RANGE_HIGH (1710U * 16U)
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#define SW_FREQ_RANGE_LOW (2300U * 16U)
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#define SW_FREQ_RANGE_HIGH (26100U * 16U)
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enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS };
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extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS];
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int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf);
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int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf);
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void vivid_radio_rds_init(struct vivid_dev *dev);
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#endif
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