text: /*
   * Internal interface between the core pin control system and the
   * pinmux portions
   *
   * Copyright (C) 2011 ST-Ericsson SA
   * Written on behalf of Linaro for ST-Ericsson
   * Based on bits of regulator core, gpio core and clk core
   *
   * Author: Linus Walleij <linus.walleij@linaro.org>
   *
   * License terms: GNU General Public License (GPL) version 2
   */
  #ifdef CONFIG_PINMUX
  
  int pinmux_check_ops(struct pinctrl_dev *pctldev);
  
  int pinmux_validate_map(struct pinctrl_map const *map, int i);
  
  int pinmux_request_gpio(struct pinctrl_dev *pctldev,
  			struct pinctrl_gpio_range *range,
  			unsigned pin, unsigned gpio);
  void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
  		      struct pinctrl_gpio_range *range);
  int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
  			  struct pinctrl_gpio_range *range,
  			  unsigned pin, bool input);
  
  int pinmux_map_to_setting(struct pinctrl_map const *map,
  			  struct pinctrl_setting *setting);
  void pinmux_free_setting(struct pinctrl_setting const *setting);
  int pinmux_enable_setting(struct pinctrl_setting const *setting);
  void pinmux_disable_setting(struct pinctrl_setting const *setting);
  
  #else
  
  static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
  {
  	return 0;
  }
  
  static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
  {
  	return 0;
  }
  
  static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
  			struct pinctrl_gpio_range *range,
  			unsigned pin, unsigned gpio)
  {
  	return 0;
  }
  
  static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
  				    unsigned pin,
  				    struct pinctrl_gpio_range *range)
  {
  }
  
  static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
  					struct pinctrl_gpio_range *range,
  					unsigned pin, bool input)
  {
  	return 0;
  }
  
  static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
  			  struct pinctrl_setting *setting)
  {
  	return 0;
  }
  
  static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
  {
  }
  
  static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
  {
  	return 0;
  }
  
  static inline void pinmux_disable_setting(
  			struct pinctrl_setting const *setting)
  {
  }
  
  #endif
  
  #if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS)
  
  void pinmux_show_map(struct seq_file *s, struct pinctrl_map const *map);
  void pinmux_show_setting(struct seq_file *s,
  			 struct pinctrl_setting const *setting);
  void pinmux_init_device_debugfs(struct dentry *devroot,
  				struct pinctrl_dev *pctldev);
  
  #else
  
  static inline void pinmux_show_map(struct seq_file *s,
  				   struct pinctrl_map const *map)
  {
  }
  
  static inline void pinmux_show_setting(struct seq_file *s,
  				       struct pinctrl_setting const *setting)
  {
  }
  
  static inline void pinmux_init_device_debugfs(struct dentry *devroot,
  					      struct pinctrl_dev *pctldev)
  {
  }
  
  #endif
  