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codecs
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wcd934x
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wcd934x-mbhc.h

wcd934x-mbhc.h 2.0 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /*
    3. 

  3.  * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
    4. 

  4.  */
    5. 

  5. #ifndef __WCD934X_MBHC_H__
    6. 

  6. #define __WCD934X_MBHC_H__
    7. 

  7. #include "../wcd-mbhc-v2.h"
    8. 

  8. 

  9. enum wcd934x_on_demand_supply_name {
    10. 

  10. 	WCD934X_ON_DEMAND_MICBIAS = 0,
    11. 

  11. 	WCD934X_ON_DEMAND_SUPPLIES_MAX,
    12. 

  12. };
    13. 

  13. 

  14. struct wcd934x_on_demand_supply {
    15. 

  15. 	struct regulator *supply;
    16. 

  16. 	int ondemand_supply_count;
    17. 

  17. };
    18. 

  18. 

  19. struct wcd934x_mbhc {
    20. 

  20. 	struct wcd_mbhc wcd_mbhc;
    21. 

  21. 	struct blocking_notifier_head notifier;
    22. 

  22. 	struct wcd934x_on_demand_supply on_demand_list[
    23. 

  23. 			WCD934X_ON_DEMAND_SUPPLIES_MAX];
    24. 

  24. 	struct wcd9xxx *wcd9xxx;
    25. 

  25. 	struct fw_info *fw_data;
    26. 

  26. 	bool mbhc_started;
    27. 

  27. 	bool is_hph_recover;
    28. 

  28. };
    29. 

  29. 

  30. #if IS_ENABLED(CONFIG_SND_SOC_WCD934X_MBHC)
    31. 

  31. extern int tavil_mbhc_init(struct wcd934x_mbhc **mbhc,
    32. 

  32. 			   struct snd_soc_codec *codec,
    33. 

  33. 			   struct fw_info *fw_data);
    34. 

  34. extern void tavil_mbhc_hs_detect_exit(struct snd_soc_codec *codec);
    35. 

  35. extern int tavil_mbhc_hs_detect(struct snd_soc_codec *codec,
    36. 

  36. 				struct wcd_mbhc_config *mbhc_cfg);
    37. 

  37. extern void tavil_mbhc_deinit(struct snd_soc_codec *codec);
    38. 

  38. extern int tavil_mbhc_post_ssr_init(struct wcd934x_mbhc *mbhc,
    39. 

  39. 				    struct snd_soc_codec *codec);
    40. 

  40. extern int tavil_mbhc_get_impedance(struct wcd934x_mbhc *wcd934x_mbhc,
    41. 

  41. 				    uint32_t *zl, uint32_t *zr);
    42. 

  42. #else
    43. 

  43. static inline int tavil_mbhc_init(struct wcd934x_mbhc **mbhc,
    44. 

  44. 				  struct snd_soc_codec *codec,
    45. 

  45. 				  struct fw_info *fw_data)
    46. 

  46. {
    47. 

  47. 	return 0;
    48. 

  48. }
    49. 

  49. static inline void tavil_mbhc_hs_detect_exit(struct snd_soc_codec *codec)
    50. 

  50. {
    51. 

  51. }
    52. 

  52. static inline int tavil_mbhc_hs_detect(struct snd_soc_codec *codec,
    53. 

  53. 				       struct wcd_mbhc_config *mbhc_cfg)
    54. 

  54. {
    55. 

  55. 		return 0;
    56. 

  56. }
    57. 

  57. static inline void tavil_mbhc_deinit(struct snd_soc_codec *codec)
    58. 

  58. {
    59. 

  59. }
    60. 

  60. static inline int tavil_mbhc_post_ssr_init(struct wcd934x_mbhc *mbhc,
    61. 

  61. 					   struct snd_soc_codec *codec)
    62. 

  62. {
    63. 

  63. 	return 0;
    64. 

  64. }
    65. 

  65. static inline int tavil_mbhc_get_impedance(struct wcd934x_mbhc *wcd934x_mbhc,
    66. 

  66. 					   uint32_t *zl, uint32_t *zr)
    67. 

  67. {
    68. 

  68. 	if (zl)
    69. 

  69. 		*zl = 0;
    70. 

  70. 	if (zr)
    71. 

  71. 		*zr = 0;
    72. 

  72. 	return -EINVAL;
    73. 

  73. }
    74. 

  74. #endif
    75. 

  75. 

  76. #endif /* __WCD934X_MBHC_H__ */
    77.