diff options
Diffstat (limited to 'include/driver.h')
| -rw-r--r-- | include/driver.h | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/include/driver.h b/include/driver.h index 0fecc7a670..85a0c729c4 100644 --- a/include/driver.h +++ b/include/driver.h @@ -14,10 +14,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA */ #ifndef DRIVER_H @@ -25,6 +21,7 @@ #include <linux/list.h> #include <linux/ioport.h> +#include <of.h> #define MAX_DRIVER_NAME 32 #define FORMAT_DRIVER_NAME_ID "%s%d" @@ -60,6 +57,11 @@ struct filep; struct bus_type; +struct platform_device_id { + const char *name; + unsigned long driver_data; +}; + /** @brief Describes a particular device present in the system */ struct device_d { /*! This member (and 'type' described below) is used to match with a @@ -86,6 +88,7 @@ struct device_d { struct driver_d *driver; /*! The driver for this device */ struct list_head list; /* The list of all devices */ + struct list_head bus_list; /* our bus */ struct list_head children; /* our children */ struct list_head sibling; struct list_head active; /* The list of all devices which have a driver */ @@ -99,6 +102,11 @@ struct device_d { struct list_head parameters; struct list_head cdevs; + + struct platform_device_id *id_entry; + struct device_node *device_node; + + struct of_device_id *of_id_entry; }; /** @brief Describes a driver present in the system */ @@ -108,6 +116,7 @@ struct driver_d { const char *name; struct list_head list; + struct list_head bus_list; /* our bus */ /*! Called if an instance of a device is found */ int (*probe) (struct device_d *); @@ -119,6 +128,9 @@ struct driver_d { void (*shortinfo) (struct device_d *); struct bus_type *bus; + + struct platform_device_id *id_table; + struct of_device_id *of_compatible; }; /*@}*/ /* do not delete, doxygen relevant */ @@ -333,9 +345,9 @@ static inline int dev_close_default(struct device_d *dev, struct filep *f) /* debugging and troubleshooting/diagnostic helpers. */ -#define dev_printf(dev, format, arg...) \ - printf("%s@%s: " format , (dev)->name , \ - dev_name(dev) , ## arg) +int dev_printf(const struct device_d *dev, const char *format, ...) + __attribute__ ((format(__printf__, 2, 3))); + #define dev_emerg(dev, format, arg...) \ dev_printf((dev) , format , ## arg) @@ -367,8 +379,26 @@ struct bus_type { void (*remove)(struct device_d *dev); struct list_head list; + struct list_head device_list; + struct list_head driver_list; }; +int bus_register(struct bus_type *bus); + +extern struct list_head bus_list; + +/* Iterate over all buses + */ +#define for_each_bus(bus) list_for_each_entry(bus, &bus_list, list) + +/* Iterate over all devices of a bus + */ +#define bus_for_each_device(bus, dev) list_for_each_entry(dev, &bus->device_list, bus_list) + +/* Iterate over all drivers of a bus + */ +#define bus_for_each_driver(bus, drv) list_for_each_entry(drv, &bus->driver_list, bus_list) + extern struct bus_type platform_bus; struct file_operations { @@ -423,5 +453,10 @@ int devfs_add_partition(const char *devname, loff_t offset, loff_t size, int flags, const char *name); int devfs_del_partition(const char *name); +#define DRV_OF_COMPAT(compat) \ + IS_ENABLED(CONFIG_OFDEVICE) ? (compat) : NULL + +int dev_get_drvdata(struct device_d *dev, unsigned long *data); + #endif /* DRIVER_H */ |