intel_lpe_audio.h 1.7 KB

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  1. /*
  2. * Copyright © 2016 Intel Corporation
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a
  5. * copy of this software and associated documentation files (the "Software"),
  6. * to deal in the Software without restriction, including without limitation
  7. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8. * and/or sell copies of the Software, and to permit persons to whom the
  9. * Software is furnished to do so, subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice (including the next
  12. * paragraph) shall be included in all copies or substantial portions of the
  13. * Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  18. * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21. * IN THE SOFTWARE.
  22. */
  23. #ifndef _INTEL_LPE_AUDIO_H_
  24. #define _INTEL_LPE_AUDIO_H_
  25. #include <linux/types.h>
  26. #include <linux/spinlock_types.h>
  27. struct platform_device;
  28. #define HDMI_MAX_ELD_BYTES 128
  29. struct intel_hdmi_lpe_audio_port_pdata {
  30. u8 eld[HDMI_MAX_ELD_BYTES];
  31. int port;
  32. int pipe;
  33. int ls_clock;
  34. bool dp_output;
  35. };
  36. struct intel_hdmi_lpe_audio_pdata {
  37. struct intel_hdmi_lpe_audio_port_pdata port[3]; /* for ports B,C,D */
  38. int num_ports;
  39. int num_pipes;
  40. void (*notify_audio_lpe)(struct platform_device *pdev, int port); /* port: 0==B,1==C,2==D */
  41. spinlock_t lpe_audio_slock;
  42. };
  43. #endif /* _I915_LPE_AUDIO_H_ */