diff options
Diffstat (limited to 'include/linux/hid.h')
| -rw-r--r-- | include/linux/hid.h | 104 |
1 files changed, 96 insertions, 8 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h index b7a17762a0b..c4bea0eda85 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -418,6 +418,8 @@ struct hid_control_fifo { #define HID_CLAIMED_HIDDEV 2 #define HID_CLAIMED_HIDRAW 4 +#define HID_STAT_ADDED 1 + #define HID_CTRL_RUNNING 1 #define HID_OUT_RUNNING 2 #define HID_IN_RUNNING 3 @@ -432,22 +434,26 @@ struct hid_input { struct input_dev *input; }; +struct hid_driver; + struct hid_device { /* device report descriptor */ - __u8 *rdesc; + __u8 *rdesc; unsigned rsize; struct hid_collection *collection; /* List of HID collections */ unsigned collection_size; /* Number of allocated hid_collections */ unsigned maxcollection; /* Number of parsed collections */ unsigned maxapplication; /* Number of applications */ - unsigned short bus; /* BUS ID */ - unsigned short vendor; /* Vendor ID */ - unsigned short product; /* Product ID */ - unsigned version; /* HID version */ + __u16 bus; /* BUS ID */ + __u32 vendor; /* Vendor ID */ + __u32 product; /* Product ID */ + __u32 version; /* HID version */ unsigned country; /* HID country */ struct hid_report_enum report_enum[HID_REPORT_TYPES]; - struct device *dev; /* device */ + struct device dev; /* device */ + struct hid_driver *driver; + unsigned int status; /* see STAT flags above */ unsigned claimed; /* Claimed by hidinput, hiddev? */ unsigned quirks; /* Various quirks the device can pull on us */ @@ -483,6 +489,16 @@ struct hid_device { /* device report descriptor */ #endif }; +static inline void *hid_get_drvdata(struct hid_device *hdev) +{ + return dev_get_drvdata(&hdev->dev); +} + +static inline void hid_set_drvdata(struct hid_device *hdev, void *data) +{ + dev_set_drvdata(&hdev->dev, data); +} + #define HID_GLOBAL_STACK_SIZE 4 #define HID_COLLECTION_STACK_SIZE 4 @@ -511,6 +527,61 @@ struct hid_descriptor { struct hid_class_descriptor desc[1]; } __attribute__ ((packed)); +#define HID_DEVICE(b, ven, prod) \ + .bus = (b), \ + .vendor = (ven), .product = (prod) + +#define HID_USB_DEVICE(ven, prod) HID_DEVICE(BUS_USB, ven, prod) +#define HID_BLUETOOTH_DEVICE(ven, prod) HID_DEVICE(BUS_BLUETOOTH, ven, prod) + +#define HID_REPORT_ID(rep) \ + .report_type = (rep) +#define HID_USAGE_ID(uhid, utype, ucode) \ + .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode) +/* we don't want to catch types and codes equal to 0 */ +#define HID_TERMINATOR (HID_ANY_ID - 1) + +struct hid_report_id { + __u32 report_type; +}; +struct hid_usage_id { + __u32 usage_hid; + __u32 usage_type; + __u32 usage_code; +}; + +/** + * struct hid_driver + * @name: driver name (e.g. "Footech_bar-wheel") + * @id_table: which devices is this driver for (must be non-NULL for probe + * to be called) + * @probe: new device inserted + * @remove: device removed (NULL if not a hot-plug capable driver) + * @report_table: on which reports to call raw_event (NULL means all) + * @raw_event: if report in report_table, this hook is called (NULL means nop) + * @usage_table: on which events to call event (NULL means all) + * @event: if usage in usage_table, this hook is called (NULL means nop) + * + * raw_event and event should return 0 on no action performed, 1 when no + * further processing should be done and negative on error + */ +struct hid_driver { + char *name; + const struct hid_device_id *id_table; + + int (*probe)(struct hid_device *dev, const struct hid_device_id *id); + void (*remove)(struct hid_device *dev); + + const struct hid_report_id *report_table; + int (*raw_event)(struct hid_device *hdev, struct hid_report *report, + u8 *data, int size); + const struct hid_usage_id *usage_table; + int (*event)(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value); +/* private: */ + struct device_driver driver; +}; + /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ /* We ignore a few input applications that are not widely used */ #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || (a == 0x000d0002)) @@ -521,6 +592,17 @@ struct hid_descriptor { extern int hid_debug; #endif +extern int hid_add_device(struct hid_device *); +extern void hid_destroy_device(struct hid_device *); + +extern int __must_check __hid_register_driver(struct hid_driver *, + struct module *, const char *mod_name); +static inline int __must_check hid_register_driver(struct hid_driver *driver) +{ + return __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME); +} +extern void hid_unregister_driver(struct hid_driver *); + extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); extern int hidinput_connect(struct hid_device *); @@ -533,8 +615,14 @@ int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned lon int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32); void hid_output_report(struct hid_report *report, __u8 *data); -void hid_free_device(struct hid_device *device); -struct hid_device *hid_parse_report(__u8 *start, unsigned size); +struct hid_device *hid_allocate_device(void); +int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); + +void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, + int interrupt); + +extern int hid_generic_init(void); +extern void hid_generic_exit(void); /* HID quirks API */ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct); |