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[SPARC64]: Add of_device layer and make ebus/isa use it.

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Sparcspkr and power drivers are converted, to make sure it works.
Eventually the SBUS device layer will use this as a sub-class.

I really cannot cut loose on that bit until sparc32 is given the
same infrastructure.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-06-23 01:44:10 -07:00
parent 8cd24ed4f8
commit a2bd4fd179
10 changed files with 585 additions and 157 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/asm-sparc64/ebus.h
+5
View File
@@ -11,6 +11,7 @@
#include <asm/pbm.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
struct linux_ebus_child {
struct linux_ebus_child *next;
@@ -24,6 +25,7 @@ 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;
@@ -33,8 +35,10 @@ 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 pci_pbm_info *parent;
@@ -43,6 +47,7 @@ struct linux_ebus {
int is_rio;
struct device_node *prom_node;
};
#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev)
struct ebus_dma_info {
spinlock_t lock;
include/asm-sparc64/isa.h
+5
View File
@@ -10,10 +10,12 @@
#include <asm/pbm.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
struct sparc_isa_bridge;
struct sparc_isa_device {
struct of_device ofdev;
struct sparc_isa_device *next;
struct sparc_isa_device *child;
struct sparc_isa_bridge *bus;
@@ -21,8 +23,10 @@ struct sparc_isa_device {
struct resource resource;
unsigned int irq;
};
#define to_isa_device(d) container_of(d, struct sparc_isa_device, ofdev.dev)
struct sparc_isa_bridge {
struct of_device ofdev;
struct sparc_isa_bridge *next;
struct sparc_isa_device *devices;
struct pci_pbm_info *parent;
@@ -30,6 +34,7 @@ struct sparc_isa_bridge {
int index;
struct device_node *prom_node;
};
#define to_isa_bridge(d) container_of(d, struct sparc_isa_bridge, ofdev.dev)
extern struct sparc_isa_bridge *isa_chain;
include/asm-sparc64/of_device.h
+64
View File
@@ -0,0 +1,64 @@
#ifndef _ASM_SPARC64_OF_DEVICE_H
#define _ASM_SPARC64_OF_DEVICE_H
#ifdef __KERNEL__
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <asm/prom.h>
extern struct bus_type isa_bus_type;
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_POWERPC_OF_DEVICE_H */