drivers/pinctrl/pinmux.h

   1 /*
   2  * Internal interface between the core pin control system and the
   3  * pinmux portions
   4  *
   5  * Copyright (C) 2011 ST-Ericsson SA
   6  * Written on behalf of Linaro for ST-Ericsson
   7  * Based on bits of regulator core, gpio core and clk core
   8  *
   9  * Author: Linus Walleij <linus.walleij@linaro.org>
  10  *
  11  * License terms: GNU General Public License (GPL) version 2
  12  */
  13 #ifdef CONFIG_PINMUX
  14
  15 int pinmux_check_ops(struct pinctrl_dev *pctldev);
  16
  17 int pinmux_validate_map(struct pinctrl_map const *map, int i);
  18
  19 int pinmux_request_gpio(struct pinctrl_dev *pctldev,
  20                         struct pinctrl_gpio_range *range,
  21                         unsigned pin, unsigned gpio);
  22 void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
  23                       struct pinctrl_gpio_range *range);
  24 int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
  25                           struct pinctrl_gpio_range *range,
  26                           unsigned pin, bool input);
  27
  28 int pinmux_map_to_setting(struct pinctrl_map const *map,
  29                           struct pinctrl_setting *setting);
  30 void pinmux_free_setting(struct pinctrl_setting const *setting);
  31 int pinmux_enable_setting(struct pinctrl_setting const *setting);
  32 void pinmux_disable_setting(struct pinctrl_setting const *setting);
  33
  34 void pinmux_show_map(struct seq_file *s, struct pinctrl_map const *map);
  35 void pinmux_show_setting(struct seq_file *s,
  36                          struct pinctrl_setting const *setting);
  37 void pinmux_init_device_debugfs(struct dentry *devroot,
  38                                 struct pinctrl_dev *pctldev);
  39
  40 #else
  41
  42 static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
  43 {
  44         return 0;
  45 }
  46
  47 static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
  48 {
  49         return 0;
  50 }
  51
  52 static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
  53                         struct pinctrl_gpio_range *range,
  54                         unsigned pin, unsigned gpio)
  55 {
  56         return 0;
  57 }
  58
  59 static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
  60                                     unsigned pin,
  61                                     struct pinctrl_gpio_range *range)
  62 {
  63 }
  64
  65 static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
  66                                         struct pinctrl_gpio_range *range,
  67                                         unsigned pin, bool input)
  68 {
  69         return 0;
  70 }
  71
  72 static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
  73                           struct pinctrl_setting *setting)
  74 {
  75         return 0;
  76 }
  77
  78 static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
  79 {
  80 }
  81
  82 static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
  83 {
  84         return 0;
  85 }
  86
  87 static inline void pinmux_disable_setting(
  88                         struct pinctrl_setting const *setting)
  89 {
  90 }
  91
  92 static inline void pinmux_show_map(struct seq_file *s,
  93                                    struct pinctrl_map const *map)
  94 {
  95 }
  96
  97 static inline void pinmux_show_setting(struct seq_file *s,
  98                                        struct pinctrl_setting const *setting)
  99 {
 100 }
 101
 102 static inline void pinmux_init_device_debugfs(struct dentry *devroot,
 103                                               struct pinctrl_dev *pctldev)
 104 {
 105 }
 106
 107 #endif