| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * vivid-radio-common.h - common radio rx/tx support functions. |
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| 4 | * |
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| 5 | * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef _VIVID_RADIO_COMMON_H_ |
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| 9 | #define _VIVID_RADIO_COMMON_H_ |
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| 10 | |
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| 11 | /* The supported radio frequency ranges in kHz */ |
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| 12 | #define FM_FREQ_RANGE_LOW (64000U * 16U) |
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| 13 | #define FM_FREQ_RANGE_HIGH (108000U * 16U) |
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| 14 | #define AM_FREQ_RANGE_LOW (520U * 16U) |
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| 15 | #define AM_FREQ_RANGE_HIGH (1710U * 16U) |
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| 16 | #define SW_FREQ_RANGE_LOW (2300U * 16U) |
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| 17 | #define SW_FREQ_RANGE_HIGH (26100U * 16U) |
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| 18 | |
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| 19 | enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS }; |
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| 20 | |
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| 21 | extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS]; |
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| 22 | |
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| 23 | int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf); |
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| 24 | int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf); |
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| 25 | |
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| 26 | void vivid_radio_rds_init(struct vivid_dev *dev); |
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| 27 | |
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| 28 | #endif |
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| 29 | |
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