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65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
#ifndef _ASM_POWERPC_OF_DEVICE_H
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#define _ASM_POWERPC_OF_DEVICE_H
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#include <linux/device.h>
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#include <linux/mod_devicetable.h>
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#include <asm/prom.h>
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/*
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* The of_platform_bus_type is a bus type used by drivers that do not
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* attach to a macio or similar bus but still use OF probing
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* mecanism
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*/
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extern struct bus_type of_platform_bus_type;
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/*
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* The of_device is a kind of "base class" that is a superset of
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* struct device for use by devices attached to an OF node and
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* probed using OF properties
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*/
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struct of_device
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{
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struct device_node *node; /* OF device node */
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u64 dma_mask; /* DMA mask */
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struct device dev; /* Generic device interface */
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};
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#define to_of_device(d) container_of(d, struct of_device, dev)
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extern const struct of_device_id *of_match_device(
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const struct of_device_id *matches, const struct of_device *dev);
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extern struct of_device *of_dev_get(struct of_device *dev);
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extern void of_dev_put(struct of_device *dev);
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/*
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* An of_platform_driver driver is attached to a basic of_device on
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* the "platform bus" (of_platform_bus_type)
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*/
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struct of_platform_driver
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{
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char *name;
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struct of_device_id *match_table;
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struct module *owner;
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int (*probe)(struct of_device* dev, const struct of_device_id *match);
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int (*remove)(struct of_device* dev);
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int (*suspend)(struct of_device* dev, pm_message_t state);
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int (*resume)(struct of_device* dev);
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int (*shutdown)(struct of_device* dev);
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struct device_driver driver;
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};
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#define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver)
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extern int of_register_driver(struct of_platform_driver *drv);
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extern void of_unregister_driver(struct of_platform_driver *drv);
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extern int of_device_register(struct of_device *ofdev);
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extern void of_device_unregister(struct of_device *ofdev);
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extern struct of_device *of_platform_device_create(struct device_node *np,
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const char *bus_id,
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struct device *parent);
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extern void of_release_dev(struct device *dev);
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#endif /* _ASM_POWERPC_OF_DEVICE_H */
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