[SPARC]: Port of_device layer and make ebus use it.

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 68 insertions, 0 deletions

diff --git a/include/asm-sparc/ebus.h b/include/asm-sparc/ebus.h
index 0dc3c01b4b1f..54652887c127 100644
--- a/include/asm-sparc/ebus.h
+++ b/include/asm-sparc/ebus.h
@@ -14,6 +14,7 @@
 #endif
 #include <asm/oplib.h>
 #include <asm/prom.h>
+#include <asm/of_device.h>
 
 struct linux_ebus_child {
         struct linux_ebus_child         *next;
@@ -27,6 +28,7 @@ struct linux_ebus_child {
 };
 
 struct linux_ebus_device {
+        struct of_device                ofdev;
         struct linux_ebus_device        *next;
         struct linux_ebus_child         *children;
         struct linux_ebus               *bus;
@@ -36,14 +38,17 @@ struct linux_ebus_device {
         unsigned int                     irqs[PROMINTR_MAX];
         int                              num_irqs;
 };
+#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev)
 
 struct linux_ebus {
+        struct of_device                ofdev;
         struct linux_ebus               *next;
         struct linux_ebus_device        *devices;
         struct linux_pbm_info           *parent;
         struct pci_dev                  *self;
         struct device_node              *prom_node;
 };
+#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
 
 struct linux_ebus_dma {
         unsigned int dcsr;
diff --git a/include/asm-sparc/of_device.h b/include/asm-sparc/of_device.h
new file mode 100644
index 000000000000..4816d102f918
--- /dev/null
+++ b/include/asm-sparc/of_device.h
@@ -0,0 +1,63 @@
+#ifndef _ASM_SPARC_OF_DEVICE_H
+#define _ASM_SPARC_OF_DEVICE_H
+#ifdef __KERNEL__
+
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <asm/prom.h>
+
+extern struct bus_type ebus_bus_type;
+extern struct bus_type sbus_bus_type;
+
+/*
+ * The of_device is a kind of "base class" that is a superset of
+ * struct device for use by devices attached to an OF node and
+ * probed using OF properties.
+ */
+struct of_device
+{
+        struct device_node      *node;          /* OF device node */
+        struct device           dev;            /* Generic device interface */
+};
+#define to_of_device(d) container_of(d, struct of_device, dev)
+
+extern const struct of_device_id *of_match_device(
+        const struct of_device_id *matches, const struct of_device *dev);
+
+extern struct of_device *of_dev_get(struct of_device *dev);
+extern void of_dev_put(struct of_device *dev);
+
+/*
+ * An of_platform_driver driver is attached to a basic of_device on
+ * the ISA, EBUS, and SBUS busses on sparc64.
+ */
+struct of_platform_driver
+{
+        char                    *name;
+        struct of_device_id     *match_table;
+        struct module           *owner;
+
+        int     (*probe)(struct of_device* dev, const struct of_device_id *match);
+        int     (*remove)(struct of_device* dev);
+
+        int     (*suspend)(struct of_device* dev, pm_message_t state);
+        int     (*resume)(struct of_device* dev);
+        int     (*shutdown)(struct of_device* dev);
+
+        struct device_driver    driver;
+};
+#define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver)
+
+extern int of_register_driver(struct of_platform_driver *drv,
+                              struct bus_type *bus);
+extern void of_unregister_driver(struct of_platform_driver *drv);
+extern int of_device_register(struct of_device *ofdev);
+extern void of_device_unregister(struct of_device *ofdev);
+extern struct of_device *of_platform_device_create(struct device_node *np,
+                                                   const char *bus_id,
+                                                   struct device *parent,
+                                                   struct bus_type *bus);
+extern void of_release_dev(struct device *dev);
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_SPARC_OF_DEVICE_H */