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Diffstat (limited to 'include/linux/mod_devicetable.h')
| -rw-r--r-- | include/linux/mod_devicetable.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h new file mode 100644 index 000000000000..d6eb7b2efc04 --- /dev/null +++ b/include/linux/mod_devicetable.h @@ -0,0 +1,178 @@ +/* + * Device tables which are exported to userspace via + * scripts/table2alias.c. You must keep that file in sync with this + * header. + */ + +#ifndef LINUX_MOD_DEVICETABLE_H +#define LINUX_MOD_DEVICETABLE_H + +#ifdef __KERNEL__ +#include <linux/types.h> +typedef unsigned long kernel_ulong_t; +#endif + +#define PCI_ANY_ID (~0) + +struct pci_device_id { + __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ + __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ + __u32 class, class_mask; /* (class,subclass,prog-if) triplet */ + kernel_ulong_t driver_data; /* Data private to the driver */ +}; + + +#define IEEE1394_MATCH_VENDOR_ID 0x0001 +#define IEEE1394_MATCH_MODEL_ID 0x0002 +#define IEEE1394_MATCH_SPECIFIER_ID 0x0004 +#define IEEE1394_MATCH_VERSION 0x0008 + +struct ieee1394_device_id { + __u32 match_flags; + __u32 vendor_id; + __u32 model_id; + __u32 specifier_id; + __u32 version; + kernel_ulong_t driver_data; +}; + + +/* + * Device table entry for "new style" table-driven USB drivers. + * User mode code can read these tables to choose which modules to load. + * Declare the table as a MODULE_DEVICE_TABLE. + * + * A probe() parameter will point to a matching entry from this table. + * Use the driver_info field for each match to hold information tied + * to that match: device quirks, etc. + * + * Terminate the driver's table with an all-zeroes entry. + * Use the flag values to control which fields are compared. + */ + +/** + * struct usb_device_id - identifies USB devices for probing and hotplugging + * @match_flags: Bit mask controlling of the other fields are used to match + * against new devices. Any field except for driver_info may be used, + * although some only make sense in conjunction with other fields. + * This is usually set by a USB_DEVICE_*() macro, which sets all + * other fields in this structure except for driver_info. + * @idVendor: USB vendor ID for a device; numbers are assigned + * by the USB forum to its members. + * @idProduct: Vendor-assigned product ID. + * @bcdDevice_lo: Low end of range of vendor-assigned product version numbers. + * This is also used to identify individual product versions, for + * a range consisting of a single device. + * @bcdDevice_hi: High end of version number range. The range of product + * versions is inclusive. + * @bDeviceClass: Class of device; numbers are assigned + * by the USB forum. Products may choose to implement classes, + * or be vendor-specific. Device classes specify behavior of all + * the interfaces on a devices. + * @bDeviceSubClass: Subclass of device; associated with bDeviceClass. + * @bDeviceProtocol: Protocol of device; associated with bDeviceClass. + * @bInterfaceClass: Class of interface; numbers are assigned + * by the USB forum. Products may choose to implement classes, + * or be vendor-specific. Interface classes specify behavior only + * of a given interface; other interfaces may support other classes. + * @bInterfaceSubClass: Subclass of interface; associated with bInterfaceClass. + * @bInterfaceProtocol: Protocol of interface; associated with bInterfaceClass. + * @driver_info: Holds information used by the driver. Usually it holds + * a pointer to a descriptor understood by the driver, or perhaps + * device flags. + * + * In most cases, drivers will create a table of device IDs by using + * USB_DEVICE(), or similar macros designed for that purpose. + * They will then export it to userspace using MODULE_DEVICE_TABLE(), + * and provide it to the USB core through their usb_driver structure. + * + * See the usb_match_id() function for information about how matches are + * performed. Briefly, you will normally use one of several macros to help + * construct these entries. Each entry you provide will either identify + * one or more specific products, or will identify a class of products + * which have agreed to behave the same. You should put the more specific + * matches towards the beginning of your table, so that driver_info can + * record quirks of specific products. + */ +struct usb_device_id { + /* which fields to match against? */ + __u16 match_flags; + + /* Used for product specific matches; range is inclusive */ + __u16 idVendor; + __u16 idProduct; + __u16 bcdDevice_lo; + __u16 bcdDevice_hi; + + /* Used for device class matches */ + __u8 bDeviceClass; + __u8 bDeviceSubClass; + __u8 bDeviceProtocol; + + /* Used for interface class matches */ + __u8 bInterfaceClass; + __u8 bInterfaceSubClass; + __u8 bInterfaceProtocol; + + /* not matched against */ + kernel_ulong_t driver_info; +}; + +/* Some useful macros to use to create struct usb_device_id */ +#define USB_DEVICE_ID_MATCH_VENDOR 0x0001 +#define USB_DEVICE_ID_MATCH_PRODUCT 0x0002 +#define USB_DEVICE_ID_MATCH_DEV_LO 0x0004 +#define USB_DEVICE_ID_MATCH_DEV_HI 0x0008 +#define USB_DEVICE_ID_MATCH_DEV_CLASS 0x0010 +#define USB_DEVICE_ID_MATCH_DEV_SUBCLASS 0x0020 +#define USB_DEVICE_ID_MATCH_DEV_PROTOCOL 0x0040 +#define USB_DEVICE_ID_MATCH_INT_CLASS 0x0080 +#define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100 +#define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 + +/* s390 CCW devices */ +struct ccw_device_id { + __u16 match_flags; /* which fields to match against */ + + __u16 cu_type; /* control unit type */ + __u16 dev_type; /* device type */ + __u8 cu_model; /* control unit model */ + __u8 dev_model; /* device model */ + + kernel_ulong_t driver_info; +}; + +#define CCW_DEVICE_ID_MATCH_CU_TYPE 0x01 +#define CCW_DEVICE_ID_MATCH_CU_MODEL 0x02 +#define CCW_DEVICE_ID_MATCH_DEVICE_TYPE 0x04 +#define CCW_DEVICE_ID_MATCH_DEVICE_MODEL 0x08 + + +#define PNP_ID_LEN 8 +#define PNP_MAX_DEVICES 8 + +struct pnp_device_id { + __u8 id[PNP_ID_LEN]; + kernel_ulong_t driver_data; +}; + +struct pnp_card_device_id { + __u8 id[PNP_ID_LEN]; + kernel_ulong_t driver_data; + struct { + __u8 id[PNP_ID_LEN]; + } devs[PNP_MAX_DEVICES]; +}; + + +#define SERIO_ANY 0xff + +struct serio_device_id { + __u8 type; + __u8 extra; + __u8 id; + __u8 proto; +}; + + +#endif /* LINUX_MOD_DEVICETABLE_H */ |