include/asm-sparc/of_device.h

   1 #ifndef _ASM_SPARC_OF_DEVICE_H
   2 #define _ASM_SPARC_OF_DEVICE_H
   3 #ifdef __KERNEL__
   4
   5 #include <linux/device.h>
   6 #include <linux/mod_devicetable.h>
   7 #include <asm/openprom.h>
   8 #include <asm/prom.h>
   9
  10 extern struct bus_type ebus_bus_type;
  11 extern struct bus_type sbus_bus_type;
  12 extern struct bus_type of_bus_type;
  13
  14 /*
  15  * The of_device is a kind of "base class" that is a superset of
  16  * struct device for use by devices attached to an OF node and
  17  * probed using OF properties.
  18  */
  19 struct of_device
  20 {
  21         struct device_node              *node;
  22         struct device                   dev;
  23         struct resource                 resource[PROMREG_MAX];
  24         unsigned int                    irqs[PROMINTR_MAX];
  25         int                             num_irqs;
  26
  27         void                            *sysdata;
  28
  29         int                             slot;
  30         int                             portid;
  31         int                             clock_freq;
  32 };
  33 #define to_of_device(d) container_of(d, struct of_device, dev)
  34
  35 extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
  36 extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
  37
  38 extern struct of_device *of_find_device_by_node(struct device_node *);
  39
  40 extern const struct of_device_id *of_match_device(
  41         const struct of_device_id *matches, const struct of_device *dev);
  42
  43 extern struct of_device *of_dev_get(struct of_device *dev);
  44 extern void of_dev_put(struct of_device *dev);
  45
  46 /*
  47  * An of_platform_driver driver is attached to a basic of_device on
  48  * the ISA, EBUS, and SBUS busses on sparc64.
  49  */
  50 struct of_platform_driver
  51 {
  52         char                    *name;
  53         struct of_device_id     *match_table;
  54         struct module           *owner;
  55
  56         int     (*probe)(struct of_device* dev, const struct of_device_id *match);
  57         int     (*remove)(struct of_device* dev);
  58
  59         int     (*suspend)(struct of_device* dev, pm_message_t state);
  60         int     (*resume)(struct of_device* dev);
  61         int     (*shutdown)(struct of_device* dev);
  62
  63         struct device_driver    driver;
  64 };
  65 #define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver)
  66
  67 extern int of_register_driver(struct of_platform_driver *drv,
  68                               struct bus_type *bus);
  69 extern void of_unregister_driver(struct of_platform_driver *drv);
  70 extern int of_device_register(struct of_device *ofdev);
  71 extern void of_device_unregister(struct of_device *ofdev);
  72 extern struct of_device *of_platform_device_create(struct device_node *np,
  73                                                    const char *bus_id,
  74                                                    struct device *parent,
  75                                                    struct bus_type *bus);
  76 extern void of_release_dev(struct device *dev);
  77
  78 #endif /* __KERNEL__ */
  79 #endif /* _ASM_SPARC_OF_DEVICE_H */