vivid-radio-common.h 1.6 KB

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  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. #ifndef _VIVID_RADIO_COMMON_H_
  20. #define _VIVID_RADIO_COMMON_H_
  21. /* The supported radio frequency ranges in kHz */
  22. #define FM_FREQ_RANGE_LOW (64000U * 16U)
  23. #define FM_FREQ_RANGE_HIGH (108000U * 16U)
  24. #define AM_FREQ_RANGE_LOW (520U * 16U)
  25. #define AM_FREQ_RANGE_HIGH (1710U * 16U)
  26. #define SW_FREQ_RANGE_LOW (2300U * 16U)
  27. #define SW_FREQ_RANGE_HIGH (26100U * 16U)
  28. enum { BAND_FM, BAND_AM, BAND_SW, TOT_BANDS };
  29. extern const struct v4l2_frequency_band vivid_radio_bands[TOT_BANDS];
  30. int vivid_radio_g_frequency(struct file *file, const unsigned *freq, struct v4l2_frequency *vf);
  31. int vivid_radio_s_frequency(struct file *file, unsigned *freq, const struct v4l2_frequency *vf);
  32. void vivid_radio_rds_init(struct vivid_dev *dev);
  33. #endif