cs42l42.h 2.0 KB

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  1. /*
  2. * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
  3. *
  4. * Copyright 2016 Cirrus Logic, Inc.
  5. *
  6. * Author: James Schulman <james.schulman@cirrus.com>
  7. * Author: Brian Austin <brian.austin@cirrus.com>
  8. * Author: Michael White <michael.white@cirrus.com>
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License version 2 as
  12. * published by the Free Software Foundation.
  13. *
  14. */
  15. #ifndef __DT_CS42L42_H
  16. #define __DT_CS42L42_H
  17. /* HPOUT Load Capacity */
  18. #define CS42L42_HPOUT_LOAD_1NF 0
  19. #define CS42L42_HPOUT_LOAD_10NF 1
  20. /* HPOUT Clamp to GND Override */
  21. #define CS42L42_HPOUT_CLAMP_EN 0
  22. #define CS42L42_HPOUT_CLAMP_DIS 1
  23. /* Tip Sense Inversion */
  24. #define CS42L42_TS_INV_DIS 0
  25. #define CS42L42_TS_INV_EN 1
  26. /* Tip Sense Debounce */
  27. #define CS42L42_TS_DBNCE_0 0
  28. #define CS42L42_TS_DBNCE_125 1
  29. #define CS42L42_TS_DBNCE_250 2
  30. #define CS42L42_TS_DBNCE_500 3
  31. #define CS42L42_TS_DBNCE_750 4
  32. #define CS42L42_TS_DBNCE_1000 5
  33. #define CS42L42_TS_DBNCE_1250 6
  34. #define CS42L42_TS_DBNCE_1500 7
  35. /* Button Press Software Debounce Times */
  36. #define CS42L42_BTN_DET_INIT_DBNCE_MIN 0
  37. #define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT 100
  38. #define CS42L42_BTN_DET_INIT_DBNCE_MAX 200
  39. #define CS42L42_BTN_DET_EVENT_DBNCE_MIN 0
  40. #define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT 10
  41. #define CS42L42_BTN_DET_EVENT_DBNCE_MAX 20
  42. /* Button Detect Level Sensitivities */
  43. #define CS42L42_NUM_BIASES 4
  44. #define CS42L42_HS_DET_LEVEL_15 0x0F
  45. #define CS42L42_HS_DET_LEVEL_8 0x08
  46. #define CS42L42_HS_DET_LEVEL_4 0x04
  47. #define CS42L42_HS_DET_LEVEL_1 0x01
  48. #define CS42L42_HS_DET_LEVEL_MIN 0
  49. #define CS42L42_HS_DET_LEVEL_MAX 0x3F
  50. /* HS Bias Ramp Rate */
  51. #define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL 0
  52. #define CS42L42_HSBIAS_RAMP_FAST 1
  53. #define CS42L42_HSBIAS_RAMP_SLOW 2
  54. #define CS42L42_HSBIAS_RAMP_SLOWEST 3
  55. #define CS42L42_HSBIAS_RAMP_TIME0 10
  56. #define CS42L42_HSBIAS_RAMP_TIME1 40
  57. #define CS42L42_HSBIAS_RAMP_TIME2 90
  58. #define CS42L42_HSBIAS_RAMP_TIME3 170
  59. #endif /* __DT_CS42L42_H */