root/include/linux/mfd/core.h

INCLUDED FROM

/*
 * drivers/mfd/mfd-core.h
 *
 * core MFD support
 * Copyright (c) 2006 Ian Molton
 * Copyright (c) 2007 Dmitry Baryshkov
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#ifndef MFD_CORE_H
#define MFD_CORE_H

#include <linux/platform_device.h>

/*
 * This struct describes the MFD part ("cell").
 * After registration the copy of this structure will become the platform data
 * of the resulting platform_device
 */
struct mfd_cell {
        const char              *name;

        int                     (*enable)(struct platform_device *dev);
        int                     (*disable)(struct platform_device *dev);
        int                     (*suspend)(struct platform_device *dev);
        int                     (*resume)(struct platform_device *dev);

        /* driver-specific data for MFD-aware "cell" drivers */
        void                    *driver_data;

        /* platform_data can be used to either pass data to "generic"
           driver or as a hook to mfd_cell for the "cell" drivers */
        void                    *platform_data;
        size_t                  data_size;

        /*
         * This resources can be specified relatievly to the parent device.
         * For accessing device you should use resources from device
         */
        int                     num_resources;
        const struct resource   *resources;
};

extern int mfd_add_devices(struct device *parent, int id,
                           const struct mfd_cell *cells, int n_devs,
                           struct resource *mem_base,
                           int irq_base);

extern void mfd_remove_devices(struct device *parent);

#endif