pinmux.h

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/*
 * Interface the pinmux subsystem
 *
 * 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 <[email protected]>
 *
 * License terms: GNU General Public License (GPL) version 2
 */
#ifndef __LINUX_PINCTRL_PINMUX_H
#define __LINUX_PINCTRL_PINMUX_H

#include <linux/list.h>
#include <linux/seq_file.h>
#include <linux/pinctrl/pinctrl.h>

#ifdef CONFIG_PINMUX

struct pinctrl_dev;

struct pinmux_ops {
    int (*request) (struct pinctrl_dev *pctldev, unsigned offset);
    int (*free) (struct pinctrl_dev *pctldev, unsigned offset);
    int (*get_functions_count) (struct pinctrl_dev *pctldev);
    const char *(*get_function_name) (struct pinctrl_dev *pctldev,
                      unsigned selector);
    int (*get_function_groups) (struct pinctrl_dev *pctldev,
                  unsigned selector,
                  const char * const **groups,
                  unsigned * const num_groups);
    int (*enable) (struct pinctrl_dev *pctldev, unsigned func_selector,
               unsigned group_selector);
    void (*disable) (struct pinctrl_dev *pctldev, unsigned func_selector,
             unsigned group_selector);
    int (*gpio_request_enable) (struct pinctrl_dev *pctldev,
                    struct pinctrl_gpio_range *range,
                    unsigned offset);
    void (*gpio_disable_free) (struct pinctrl_dev *pctldev,
                   struct pinctrl_gpio_range *range,
                   unsigned offset);
    int (*gpio_set_direction) (struct pinctrl_dev *pctldev,
                   struct pinctrl_gpio_range *range,
                   unsigned offset,
                   bool input);
};

#endif /* CONFIG_PINMUX */

#endif /* __LINUX_PINCTRL_PINMUX_H */