diff options
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/core.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h new file mode 100644 index 000000000000..bb3dd0545928 --- /dev/null +++ b/include/linux/mfd/core.h | |||
| @@ -0,0 +1,55 @@ | |||
| 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 | ||
