57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
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/*
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* drivers/mfd/mfd-core.h
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*
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* core MFD support
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* Copyright (c) 2006 Ian Molton
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* Copyright (c) 2007 Dmitry Baryshkov
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef MFD_CORE_H
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#define MFD_CORE_H
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#include <linux/platform_device.h>
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/*
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* This struct describes the MFD part ("cell").
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* After registration the copy of this structure will become the platform data
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* of the resulting platform_device
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*/
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struct mfd_cell {
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const char *name;
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int id;
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int (*enable)(struct platform_device *dev);
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int (*disable)(struct platform_device *dev);
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int (*suspend)(struct platform_device *dev);
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int (*resume)(struct platform_device *dev);
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/* driver-specific data for MFD-aware "cell" drivers */
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void *driver_data;
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/* platform_data can be used to either pass data to "generic"
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driver or as a hook to mfd_cell for the "cell" drivers */
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void *platform_data;
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size_t data_size;
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/*
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* This resources can be specified relatievly to the parent device.
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* For accessing device you should use resources from device
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*/
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int num_resources;
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const struct resource *resources;
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};
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extern int mfd_add_devices(struct device *parent, int id,
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const struct mfd_cell *cells, int n_devs,
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struct resource *mem_base,
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int irq_base);
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extern void mfd_remove_devices(struct device *parent);
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#endif
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