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[POWERPC] ps3: add ps3 platform system bus support

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Adds a PS3 system bus driver.  This system bus is a virtual bus used to present
the PS3 system devices in the LDM.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
This commit is contained in:
Geoff Levand
2006-11-23 00:47:00 +01:00
committed by Paul Mackerras
parent de91a53429
commit a3d4d6435b
4 changed files with 433 additions and 0 deletions
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73
include/asm-powerpc/ps3.h
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@@ -386,4 +386,77 @@ int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id);
int ps3_repository_read_spu_resource_id(unsigned int res_index,
enum ps3_spu_resource_type* resource_type, unsigned int *resource_id);
/* system bus routines */
enum ps3_match_id {
PS3_MATCH_ID_EHCI = 1,
PS3_MATCH_ID_OHCI,
PS3_MATCH_ID_GELIC,
PS3_MATCH_ID_AV_SETTINGS,
PS3_MATCH_ID_SYSTEM_MANAGER,
};
/**
* struct ps3_system_bus_device - a device on the system bus
*/
struct ps3_system_bus_device {
enum ps3_match_id match_id;
struct ps3_device_id did;
unsigned int interrupt_id;
/* struct iommu_table *iommu_table; -- waiting for Ben's cleanups */
struct ps3_dma_region *d_region;
struct ps3_mmio_region *m_region;
struct device core;
};
/**
* struct ps3_system_bus_driver - a driver for a device on the system bus
*/
struct ps3_system_bus_driver {
enum ps3_match_id match_id;
struct device_driver core;
int (*probe)(struct ps3_system_bus_device *);
int (*remove)(struct ps3_system_bus_device *);
/* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
/* int (*resume)(struct ps3_system_bus_device *); */
};
int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
static inline struct ps3_system_bus_driver *to_ps3_system_bus_driver(
struct device_driver *_drv)
{
return container_of(_drv, struct ps3_system_bus_driver, core);
}
static inline struct ps3_system_bus_device *to_ps3_system_bus_device(
struct device *_dev)
{
return container_of(_dev, struct ps3_system_bus_device, core);
}
/**
* ps3_system_bus_set_drvdata -
* @dev: device structure
* @data: Data to set
*/
static inline void ps3_system_bus_set_driver_data(
struct ps3_system_bus_device *dev, void *data)
{
dev->core.driver_data = data;
}
static inline void *ps3_system_bus_get_driver_data(
struct ps3_system_bus_device *dev)
{
return dev->core.driver_data;
}
/* These two need global scope for get_dma_ops(). */
extern struct bus_type ps3_system_bus_type;
#endif