ppc32: Update macio_asic, add some resource management

parent f3f367c3
This diff is collapsed.
......@@ -9,7 +9,7 @@ extern struct bus_type macio_bus_type;
struct macio_driver;
struct macio_chip;
#define MACIO_DEV_COUNT_RESOURCE 8
#define MACIO_DEV_COUNT_RESOURCES 8
#define MACIO_DEV_COUNT_IRQS 8
/*
......@@ -38,6 +38,10 @@ struct macio_dev
struct macio_bus *bus; /* macio bus this device is on */
struct macio_dev *media_bay; /* Device is part of a media bay */
struct of_device ofdev;
int n_resources;
struct resource resource[MACIO_DEV_COUNT_RESOURCES];
int n_interrupts;
struct resource interrupt[MACIO_DEV_COUNT_IRQS];
};
#define to_macio_device(d) container_of(d, struct macio_dev, ofdev.dev)
#define of_to_macio_device(d) container_of(d, struct macio_dev, ofdev)
......@@ -45,6 +49,71 @@ struct macio_dev
extern struct macio_dev *macio_dev_get(struct macio_dev *dev);
extern void macio_dev_put(struct macio_dev *dev);
/*
* Accessors to resources & interrupts and other device
* fields
*/
static inline int macio_resource_count(struct macio_dev *dev)
{
return dev->n_resources;
}
static inline unsigned long macio_resource_start(struct macio_dev *dev, int resource_no)
{
return dev->resource[resource_no].start;
}
static inline unsigned long macio_resource_end(struct macio_dev *dev, int resource_no)
{
return dev->resource[resource_no].end;
}
static inline unsigned long macio_resource_len(struct macio_dev *dev, int resource_no)
{
struct resource *res = &dev->resource[resource_no];
if (res->start == 0 || res->end == 0 || res->end < res->start)
return 0;
return res->end - res->start + 1;
}
extern int macio_request_resource(struct macio_dev *dev, int resource_no, const char *name);
extern void macio_release_resource(struct macio_dev *dev, int resource_no);
extern int macio_request_resources(struct macio_dev *dev, const char *name);
extern void macio_release_resources(struct macio_dev *dev);
static inline int macio_irq_count(struct macio_dev *dev)
{
return dev->n_interrupts;
}
static inline int macio_irq(struct macio_dev *dev, int irq_no)
{
return dev->interrupt[irq_no].start;
}
static inline void macio_set_drvdata(struct macio_dev *dev, void *data)
{
dev_set_drvdata(&dev->ofdev.dev, data);
}
static inline void* macio_get_drvdata(struct macio_dev *dev)
{
return dev_get_drvdata(&dev->ofdev.dev);
}
static inline struct device_node *macio_get_of_node(struct macio_dev *mdev)
{
return mdev->ofdev.node;
}
#ifdef CONFIG_PCI
static inline struct pci_dev *macio_get_pci_dev(struct macio_dev *mdev)
{
return mdev->bus->pdev;
}
#endif
/*
* A driver for a mac-io chip based device
*/
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment