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1/*
2 * drivers/mfd/mfd-core.h
3 *
4 * core MFD support
5 * Copyright (c) 2006 Ian Molton
6 * Copyright (c) 2007 Dmitry Baryshkov
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 */
13
14#ifndef MFD_CORE_H
15#define MFD_CORE_H
16
17#include <linux/platform_device.h>
18
19/*
20 * This struct describes the MFD part ("cell").
21 * After registration the copy of this structure will become the platform data
22 * of the resulting platform_device
23 */
24struct mfd_cell {
25 const char *name;
26 int id;
27
28 int (*enable)(struct platform_device *dev);
29 int (*disable)(struct platform_device *dev);
30 int (*suspend)(struct platform_device *dev);
31 int (*resume)(struct platform_device *dev);
32
33 /* driver-specific data for MFD-aware "cell" drivers */
34 void *driver_data;
35
36 /* platform_data can be used to either pass data to "generic"
37 driver or as a hook to mfd_cell for the "cell" drivers */
38 void *platform_data;
39 size_t data_size;
40
41 /*
42 * This resources can be specified relatievly to the parent device.
43 * For accessing device you should use resources from device
44 */
45 int num_resources;
46 const struct resource *resources;
47
48 /* don't check for resource conflicts */
49 bool ignore_resource_conflicts;
50};
51
52extern int mfd_add_devices(struct device *parent, int id,
53 const struct mfd_cell *cells, int n_devs,
54 struct resource *mem_base,
55 int irq_base);
56
57extern void mfd_remove_devices(struct device *parent);
58
59#endif