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linux-vybrid_pu...
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drivers
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pinctrl
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pinmux.h

pinmux.h 2.7 KB
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  1. /*
    2. 

  2.  * Internal interface between the core pin control system and the
    3. 

  3.  * pinmux portions
    4. 

  4.  *
    5. 

  5.  * Copyright (C) 2011 ST-Ericsson SA
    6. 

  6.  * Written on behalf of Linaro for ST-Ericsson
    7. 

  7.  * Based on bits of regulator core, gpio core and clk core
    8. 

  8.  *
    9. 

  9.  * Author: Linus Walleij <linus.walleij@linaro.org>
    10. 

  10.  *
    11. 

  11.  * License terms: GNU General Public License (GPL) version 2
    12. 

  12.  */
    13. 

  13. #ifdef CONFIG_PINMUX
    14. 

  14. 

  15. int pinmux_check_ops(struct pinctrl_dev *pctldev);
    16. 

  16. 

  17. int pinmux_validate_map(struct pinctrl_map const *map, int i);
    18. 

  18. 

  19. int pinmux_request_gpio(struct pinctrl_dev *pctldev,
    20. 

  20. 			struct pinctrl_gpio_range *range,
    21. 

  21. 			unsigned pin, unsigned gpio);
    22. 

  22. void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
    23. 

  23. 		      struct pinctrl_gpio_range *range);
    24. 

  24. int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
    25. 

  25. 			  struct pinctrl_gpio_range *range,
    26. 

  26. 			  unsigned pin, bool input);
    27. 

  27. 

  28. int pinmux_map_to_setting(struct pinctrl_map const *map,
    29. 

  29. 			  struct pinctrl_setting *setting);
    30. 

  30. void pinmux_free_setting(struct pinctrl_setting const *setting);
    31. 

  31. int pinmux_enable_setting(struct pinctrl_setting const *setting);
    32. 

  32. void pinmux_disable_setting(struct pinctrl_setting const *setting);
    33. 

  33. 

  34. void pinmux_show_map(struct seq_file *s, struct pinctrl_map const *map);
    35. 

  35. void pinmux_show_setting(struct seq_file *s,
    36. 

  36. 			 struct pinctrl_setting const *setting);
    37. 

  37. void pinmux_init_device_debugfs(struct dentry *devroot,
    38. 

  38. 				struct pinctrl_dev *pctldev);
    39. 

  39. 

  40. #else
    41. 

  41. 

  42. static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
    43. 

  43. {
    44. 

  44. 	return 0;
    45. 

  45. }
    46. 

  46. 

  47. static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
    48. 

  48. {
    49. 

  49. 	return 0;
    50. 

  50. }
    51. 

  51. 

  52. static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
    53. 

  53. 			struct pinctrl_gpio_range *range,
    54. 

  54. 			unsigned pin, unsigned gpio)
    55. 

  55. {
    56. 

  56. 	return 0;
    57. 

  57. }
    58. 

  58. 

  59. static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
    60. 

  60. 				    unsigned pin,
    61. 

  61. 				    struct pinctrl_gpio_range *range)
    62. 

  62. {
    63. 

  63. }
    64. 

  64. 

  65. static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
    66. 

  66. 					struct pinctrl_gpio_range *range,
    67. 

  67. 					unsigned pin, bool input)
    68. 

  68. {
    69. 

  69. 	return 0;
    70. 

  70. }
    71. 

  71. 

  72. static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
    73. 

  73. 			  struct pinctrl_setting *setting)
    74. 

  74. {
    75. 

  75. 	return 0;
    76. 

  76. }
    77. 

  77. 

  78. static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
    79. 

  79. {
    80. 

  80. }
    81. 

  81. 

  82. static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
    83. 

  83. {
    84. 

  84. 	return 0;
    85. 

  85. }
    86. 

  86. 

  87. static inline void pinmux_disable_setting(
    88. 

  88. 			struct pinctrl_setting const *setting)
    89. 

  89. {
    90. 

  90. }
    91. 

  91. 

  92. static inline void pinmux_show_map(struct seq_file *s,
    93. 

  93. 				   struct pinctrl_map const *map)
    94. 

  94. {
    95. 

  95. }
    96. 

  96. 

  97. static inline void pinmux_show_setting(struct seq_file *s,
    98. 

  98. 				       struct pinctrl_setting const *setting)
    99. 

  99. {
    100. 

  100. }
    101. 

  101. 

  102. static inline void pinmux_init_device_debugfs(struct dentry *devroot,
    103. 

  103. 					      struct pinctrl_dev *pctldev)
    104. 

  104. {
    105. 

  105. }
    106. 

  106. 

  107. #endif
    108.