diff options
Diffstat (limited to 'include/asm-ppc/macio.h')
| -rw-r--r-- | include/asm-ppc/macio.h | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/include/asm-ppc/macio.h b/include/asm-ppc/macio.h index 25381dc34fcd..00605bb88b2a 100644 --- a/include/asm-ppc/macio.h +++ b/include/asm-ppc/macio.h @@ -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) @@ -46,6 +50,71 @@ 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 */ struct macio_driver |