wm2200.h 1.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * linux/sound/wm2200.h -- Platform data for WM2200
  4. *
  5. * Copyright 2012 Wolfson Microelectronics. PLC.
  6. */
  7. #ifndef __LINUX_SND_WM2200_H
  8. #define __LINUX_SND_WM2200_H
  9. #define WM2200_GPIO_SET 0x10000
  10. #define WM2200_MAX_MICBIAS 2
  11. enum wm2200_in_mode {
  12. WM2200_IN_SE = 0,
  13. WM2200_IN_DIFF = 1,
  14. WM2200_IN_DMIC = 2,
  15. };
  16. enum wm2200_dmic_sup {
  17. WM2200_DMIC_SUP_MICVDD = 0,
  18. WM2200_DMIC_SUP_MICBIAS1 = 1,
  19. WM2200_DMIC_SUP_MICBIAS2 = 2,
  20. };
  21. enum wm2200_mbias_lvl {
  22. WM2200_MBIAS_LVL_1V5 = 1,
  23. WM2200_MBIAS_LVL_1V8 = 2,
  24. WM2200_MBIAS_LVL_1V9 = 3,
  25. WM2200_MBIAS_LVL_2V0 = 4,
  26. WM2200_MBIAS_LVL_2V2 = 5,
  27. WM2200_MBIAS_LVL_2V4 = 6,
  28. WM2200_MBIAS_LVL_2V5 = 7,
  29. WM2200_MBIAS_LVL_2V6 = 8,
  30. };
  31. struct wm2200_micbias {
  32. enum wm2200_mbias_lvl mb_lvl; /** Regulated voltage */
  33. unsigned int discharge:1; /** Actively discharge */
  34. unsigned int fast_start:1; /** Enable aggressive startup ramp rate */
  35. unsigned int bypass:1; /** Use bypass mode */
  36. };
  37. struct wm2200_pdata {
  38. int reset; /** GPIO controlling /RESET, if any */
  39. int ldo_ena; /** GPIO controlling LODENA, if any */
  40. int irq_flags;
  41. int gpio_defaults[4];
  42. enum wm2200_in_mode in_mode[3];
  43. enum wm2200_dmic_sup dmic_sup[3];
  44. /** MICBIAS configurations */
  45. struct wm2200_micbias micbias[WM2200_MAX_MICBIAS];
  46. };
  47. #endif