cs42l42.h 1.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
  4. *
  5. * Copyright 2016 Cirrus Logic, Inc.
  6. *
  7. * Author: James Schulman <[email protected]>
  8. * Author: Brian Austin <[email protected]>
  9. * Author: Michael White <[email protected]>
  10. */
  11. #ifndef __DT_CS42L42_H
  12. #define __DT_CS42L42_H
  13. /* HPOUT Load Capacity */
  14. #define CS42L42_HPOUT_LOAD_1NF 0
  15. #define CS42L42_HPOUT_LOAD_10NF 1
  16. /* HPOUT Clamp to GND Override */
  17. #define CS42L42_HPOUT_CLAMP_EN 0
  18. #define CS42L42_HPOUT_CLAMP_DIS 1
  19. /* Tip Sense Inversion */
  20. #define CS42L42_TS_INV_DIS 0
  21. #define CS42L42_TS_INV_EN 1
  22. /* Tip Sense Debounce */
  23. #define CS42L42_TS_DBNCE_0 0
  24. #define CS42L42_TS_DBNCE_125 1
  25. #define CS42L42_TS_DBNCE_250 2
  26. #define CS42L42_TS_DBNCE_500 3
  27. #define CS42L42_TS_DBNCE_750 4
  28. #define CS42L42_TS_DBNCE_1000 5
  29. #define CS42L42_TS_DBNCE_1250 6
  30. #define CS42L42_TS_DBNCE_1500 7
  31. /* Button Press Software Debounce Times */
  32. #define CS42L42_BTN_DET_INIT_DBNCE_MIN 0
  33. #define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT 100
  34. #define CS42L42_BTN_DET_INIT_DBNCE_MAX 200
  35. #define CS42L42_BTN_DET_EVENT_DBNCE_MIN 0
  36. #define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT 10
  37. #define CS42L42_BTN_DET_EVENT_DBNCE_MAX 20
  38. /* Button Detect Level Sensitivities */
  39. #define CS42L42_NUM_BIASES 4
  40. #define CS42L42_HS_DET_LEVEL_15 0x0F
  41. #define CS42L42_HS_DET_LEVEL_8 0x08
  42. #define CS42L42_HS_DET_LEVEL_4 0x04
  43. #define CS42L42_HS_DET_LEVEL_1 0x01
  44. #define CS42L42_HS_DET_LEVEL_MIN 0
  45. #define CS42L42_HS_DET_LEVEL_MAX 0x3F
  46. /* HS Bias Ramp Rate */
  47. #define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL 0
  48. #define CS42L42_HSBIAS_RAMP_FAST 1
  49. #define CS42L42_HSBIAS_RAMP_SLOW 2
  50. #define CS42L42_HSBIAS_RAMP_SLOWEST 3
  51. #define CS42L42_HSBIAS_RAMP_TIME0 10
  52. #define CS42L42_HSBIAS_RAMP_TIME1 40
  53. #define CS42L42_HSBIAS_RAMP_TIME2 90
  54. #define CS42L42_HSBIAS_RAMP_TIME3 170
  55. #endif /* __DT_CS42L42_H */