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asoc
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codecs
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wcd938x
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wcd938x-mbhc.h

wcd938x-mbhc.h 2.0 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
    4. 

  4.  */
    5. 

  5. #ifndef __WCD938X_MBHC_H__
    6. 

  6. #define __WCD938X_MBHC_H__
    7. 

  7. #include <asoc/wcd-mbhc-v2.h>
    8. 

  8. 

  9. struct wcd938x_mbhc {
    10. 

  10. 	struct wcd_mbhc wcd_mbhc;
    11. 

  11. 	struct blocking_notifier_head notifier;
    12. 

  12. 	struct fw_info *fw_data;
    13. 

  13. };
    14. 

  14. 

  15. #if IS_ENABLED(CONFIG_SND_SOC_WCD938X)
    16. 

  16. extern int wcd938x_mbhc_init(struct wcd938x_mbhc **mbhc,
    17. 

  17. 			   struct snd_soc_component *component,
    18. 

  18. 			   struct fw_info *fw_data);
    19. 

  19. extern void wcd938x_mbhc_hs_detect_exit(struct snd_soc_component *component);
    20. 

  20. extern int wcd938x_mbhc_hs_detect(struct snd_soc_component *component,
    21. 

  21. 				struct wcd_mbhc_config *mbhc_cfg);
    22. 

  22. extern void wcd938x_mbhc_deinit(struct snd_soc_component *component);
    23. 

  23. extern void wcd938x_mbhc_ssr_down(struct wcd938x_mbhc *mbhc,
    24. 

  24. 				struct snd_soc_component *component);
    25. 

  25. extern int wcd938x_mbhc_post_ssr_init(struct wcd938x_mbhc *mbhc,
    26. 

  26. 				    struct snd_soc_component *component);
    27. 

  27. extern int wcd938x_mbhc_get_impedance(struct wcd938x_mbhc *wcd938x_mbhc,
    28. 

  28. 				    uint32_t *zl, uint32_t *zr);
    29. 

  29. #else
    30. 

  30. static inline int wcd938x_mbhc_init(struct wcd938x_mbhc **mbhc,
    31. 

  31. 				  struct snd_soc_component *component,
    32. 

  32. 				  struct fw_info *fw_data)
    33. 

  33. {
    34. 

  34. 	return 0;
    35. 

  35. }
    36. 

  36. static inline void wcd938x_mbhc_hs_detect_exit(
    37. 

  37. 					struct snd_soc_component *component)
    38. 

  38. {
    39. 

  39. }
    40. 

  40. static inline int wcd938x_mbhc_hs_detect(struct snd_soc_component *component,
    41. 

  41. 				       struct wcd_mbhc_config *mbhc_cfg)
    42. 

  42. {
    43. 

  43. 		return 0;
    44. 

  44. }
    45. 

  45. static inline void wcd938x_mbhc_deinit(struct snd_soc_component *component)
    46. 

  46. {
    47. 

  47. }
    48. 

  48. static inline void wcd938x_mbhc_ssr_down(struct wcd938x_mbhc *mbhc,
    49. 

  49. 					struct snd_soc_component *component)
    50. 

  50. {
    51. 

  51. }
    52. 

  52. static inline int wcd938x_mbhc_post_ssr_init(struct wcd938x_mbhc *mbhc,
    53. 

  53. 					   struct snd_soc_component *component)
    54. 

  54. {
    55. 

  55. 	return 0;
    56. 

  56. }
    57. 

  57. 

  58. static inline int wcd938x_mbhc_get_impedance(struct wcd938x_mbhc *wcd938x_mbhc,
    59. 

  59. 					   uint32_t *zl, uint32_t *zr)
    60. 

  60. {
    61. 

  61. 	if (zl)
    62. 

  62. 		*zl = 0;
    63. 

  63. 	if (zr)
    64. 

  64. 		*zr = 0;
    65. 

  65. 	return -EINVAL;
    66. 

  66. }
    67. 

  67. #endif
    68. 

  68. 

  69. #endif /* __WCD938X_MBHC_H__ */
    70.