diff options
Diffstat (limited to 'include/driver.h')
| -rw-r--r-- | include/driver.h | 85 |
1 files changed, 54 insertions, 31 deletions
diff --git a/include/driver.h b/include/driver.h index b2ab7c25ac..98d54ad3ad 100644 --- a/include/driver.h +++ b/include/driver.h @@ -98,7 +98,6 @@ struct device_d { void *type_data; /*! In case this device is a specific device, this pointer * points to the type specific device, i.e. eth_device */ - struct driver_d *driver; /*! The driver for this device */ struct list_head list; /* The list of all devices */ @@ -133,22 +132,6 @@ struct driver_d { /*! Called if an instance of a device is gone. */ void (*remove)(struct device_d *); - /*! Called in response of reading from this device. Required */ - ssize_t (*read) (struct device_d*, void* buf, size_t count, ulong offset, ulong flags); - - /*! Called in response of write to this device. Required */ - ssize_t (*write) (struct device_d*, const void* buf, size_t count, ulong offset, ulong flags); - - int (*ioctl) (struct device_d*, int, void *); - - off_t (*lseek) (struct device_d*, off_t); - int (*open) (struct device_d*, struct filep*); - int (*close) (struct device_d*, struct filep*); - - int (*erase) (struct device_d*, size_t count, unsigned long offset); - int (*protect)(struct device_d*, size_t count, unsigned long offset, int prot); - int (*memmap)(struct device_d*, void **map, int flags); - void (*info) (struct device_d *); void (*shortinfo) (struct device_d *); @@ -231,20 +214,14 @@ extern struct list_head driver_list; */ struct driver_d *get_driver_by_name(const char *name); -ssize_t dev_read(struct device_d *dev, void *buf, size_t count, ulong offset, ulong flags); -ssize_t dev_write(struct device_d *dev, const void *buf, size_t count, ulong offset, ulong flags); -int dev_open(struct device_d *dev, struct filep *); -int dev_close(struct device_d *dev, struct filep *); -int dev_ioctl(struct device_d *dev, int, void *); -off_t dev_lseek(struct device_d *dev, off_t offset); -int dev_erase(struct device_d *dev, size_t count, unsigned long offset); +struct cdev; + int dev_protect(struct device_d *dev, size_t count, unsigned long offset, int prot); -int dev_memmap(struct device_d *dev, void **map, int flags); /* These are used by drivers which work with direct memory accesses */ -ssize_t mem_read(struct device_d *dev, void *buf, size_t count, ulong offset, ulong flags); -ssize_t mem_write(struct device_d *dev, const void *buf, size_t count, ulong offset, ulong flags); -int mem_memmap(struct device_d *dev, void **map, int flags); +ssize_t mem_read(struct cdev *cdev, void *buf, size_t count, ulong offset, ulong flags); +ssize_t mem_write(struct cdev *cdev, const void *buf, size_t count, ulong offset, ulong flags); +int mem_memmap(struct cdev *cdev, void **map, int flags); /* Use this if you have nothing to do in your drivers probe function */ int dummy_probe(struct device_d *); @@ -254,10 +231,10 @@ int dummy_probe(struct device_d *); */ void devices_shutdown(void); -int generic_memmap_ro(struct device_d *dev, void **map, int flags); -int generic_memmap_rw(struct device_d *dev, void **map, int flags); +int generic_memmap_ro(struct cdev *dev, void **map, int flags); +int generic_memmap_rw(struct cdev *dev, void **map, int flags); -static inline off_t dev_lseek_default(struct device_d *dev, off_t ofs) +static inline off_t dev_lseek_default(struct cdev *cdev, off_t ofs) { return ofs; } @@ -312,5 +289,51 @@ struct bus_type { }; extern struct bus_type platform_bus; + +struct file_operations { + /*! Called in response of reading from this device. Required */ + ssize_t (*read)(struct cdev*, void* buf, size_t count, ulong offset, ulong flags); + + /*! Called in response of write to this device. Required */ + ssize_t (*write)(struct cdev*, const void* buf, size_t count, ulong offset, ulong flags); + + int (*ioctl)(struct cdev*, int, void *); + off_t (*lseek)(struct cdev*, off_t); + int (*open)(struct cdev*, struct filep*); + int (*close)(struct cdev*, struct filep*); + int (*erase)(struct cdev*, size_t count, unsigned long offset); + int (*protect)(struct cdev*, size_t count, unsigned long offset, int prot); + int (*memmap)(struct cdev*, void **map, int flags); +}; + +struct cdev { + struct file_operations *ops; + void *priv; + struct device_d *dev; + struct list_head list; + char *name; + unsigned long offset; + size_t size; + unsigned int flags; +}; + +int devfs_create(struct cdev *); +void devfs_remove(struct cdev *); +struct cdev *cdev_by_name(const char *filename); + +#define DEVFS_PARTITION_FIXED (1 << 0) +#define DEVFS_PARTITION_READONLY (1 << 1) +#define DEVFS_IS_PARTITION (1 << 2) +#define DEVFS_RDWR (1 << 3) + +int devfs_add_partition(const char *devname, unsigned long offset, size_t size, + int flags, const char *name); +int devfs_del_partition(const char *name); + +struct memory_platform_data { + char *name; + unsigned int flags; +}; + #endif /* DRIVER_H */ |