/* * 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(const struct pinctrl_map *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(const struct pinctrl_map *map, struct pinctrl_setting *setting); void pinmux_free_setting(const struct pinctrl_setting *setting); int pinmux_enable_setting(const struct pinctrl_setting *setting); void pinmux_disable_setting(const struct pinctrl_setting *setting); #else static inline int pinmux_check_ops(struct pinctrl_dev *pctldev) { return 0; } static inline int pinmux_validate_map(const struct pinctrl_map *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(const struct pinctrl_map *map, struct pinctrl_setting *setting) { return 0; } static inline void pinmux_free_setting(const struct pinctrl_setting *setting) { } static inline int pinmux_enable_setting(const struct pinctrl_setting *setting) { return 0; } static inline void pinmux_disable_setting(const struct pinctrl_setting *setting) { } #endif #if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS) void pinmux_show_map(struct seq_file *s, const struct pinctrl_map *map); void pinmux_show_setting(struct seq_file *s, const struct pinctrl_setting *setting); void pinmux_init_device_debugfs(struct dentry *devroot, struct pinctrl_dev *pctldev); #else static inline void pinmux_show_map(struct seq_file *s, const struct pinctrl_map *map) { } static inline void pinmux_show_setting(struct seq_file *s, const struct pinctrl_setting *setting) { } static inline void pinmux_init_device_debugfs(struct dentry *devroot, struct pinctrl_dev *pctldev) { } #endif #ifdef CONFIG_GENERIC_PINMUX_FUNCTIONS /** * struct function_desc - generic function descriptor * @name: name of the function * @group_names: array of pin group names * @num_group_names: number of pin group names * @data: pin controller driver specific data */ struct function_desc { const char *name; const char **group_names; int num_group_names; void *data; }; int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev); const char * pinmux_generic_get_function_name(struct pinctrl_dev *pctldev, unsigned int selector); int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev, unsigned int selector, const char * const **groups, unsigned * const num_groups); struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev, unsigned int selector); int pinmux_generic_add_function(struct pinctrl_dev *pctldev, const char *name, const char **groups, unsigned const num_groups, void *data); int pinmux_generic_remove_function(struct pinctrl_dev *pctldev, unsigned int selector); void pinmux_generic_free_functions(struct pinctrl_dev *pctldev); #else static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev) { } #endif /* CONFIG_GENERIC_PINMUX_FUNCTIONS */