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1 | #ifndef MFD_CORE_H |
2 | #define MFD_CORE_H | |
3 | /* | |
4 | * drivers/mfd/mfd-core.h | |
5 | * | |
6 | * core MFD support | |
7 | * Copyright (c) 2006 Ian Molton | |
8 | * Copyright (c) 2007 Dmitry Baryshkov | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | */ | |
15 | ||
16 | #include <linux/platform_device.h> | |
17 | ||
18 | /* | |
19 | * This struct describes the MFD part ("cell"). | |
20 | * After registration the copy of this structure will become the platform data | |
21 | * of the resulting platform_device | |
22 | */ | |
23 | struct mfd_cell { | |
24 | const char *name; | |
25 | ||
26 | int (*enable)(struct platform_device *dev); | |
27 | int (*disable)(struct platform_device *dev); | |
28 | int (*suspend)(struct platform_device *dev); | |
29 | int (*resume)(struct platform_device *dev); | |
30 | ||
31 | void *driver_data; /* driver-specific data */ | |
32 | ||
33 | /* | |
34 | * This resources can be specified relatievly to the parent device. | |
35 | * For accessing device you should use resources from device | |
36 | */ | |
37 | int num_resources; | |
38 | const struct resource *resources; | |
39 | }; | |
40 | ||
41 | static inline struct mfd_cell * | |
42 | mfd_get_cell(struct platform_device *pdev) | |
43 | { | |
44 | return (struct mfd_cell *)pdev->dev.platform_data; | |
45 | } | |
46 | ||
47 | extern int mfd_add_devices( | |
48 | struct platform_device *parent, | |
49 | const struct mfd_cell *cells, int n_devs, | |
50 | struct resource *mem_base, | |
51 | int irq_base); | |
52 | ||
53 | extern void mfd_remove_devices(struct platform_device *parent); | |
54 | ||
55 | #endif |