From 229695e51efc4ed5e04ab471c82591d0f432909d Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Fri, 8 Dec 2006 18:40:53 +0100 Subject: [PATCH] Generic HID layer - API - fixed generic API (added neccessary EXPORT_SYMBOL, fixed hid.h to provide correct prototypes) - extended hid_device with open/close/event function pointers to driver-specific functions - added driver specific driver_data to hid_device Signed-off-by: Jiri Kosina Signed-off-by: Marcel Holtmann Cc: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/hid/hid-core.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) (limited to 'drivers/hid/hid-core.c') diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 689ae16adf3..8474a792332 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1,5 +1,5 @@ /* - * USB HID support for Linux + * HID support for Linux * * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik @@ -31,8 +31,6 @@ #undef DEBUG #undef DEBUG_DATA -#include - #include #include @@ -538,7 +536,7 @@ static void hid_free_report(struct hid_report *report) * Free a device structure, all reports, and all fields. */ -static void hid_free_device(struct hid_device *device) +void hid_free_device(struct hid_device *device) { unsigned i,j; @@ -555,6 +553,7 @@ static void hid_free_device(struct hid_device *device) kfree(device->rdesc); kfree(device); } +EXPORT_SYMBOL_GPL(hid_free_device); /* * Fetch a report description item from the data stream. We support long @@ -629,7 +628,7 @@ static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) * enumerated, fields are attached to these reports. */ -static struct hid_device *hid_parse_report(__u8 *start, unsigned size) +struct hid_device *hid_parse_report(__u8 *start, unsigned size) { struct hid_device *device; struct hid_parser *parser; @@ -719,6 +718,7 @@ static struct hid_device *hid_parse_report(__u8 *start, unsigned size) kfree(parser); return NULL; } +EXPORT_SYMBOL_GPL(hid_parse_report); /* * Convert a signed n-bit integer to signed 32-bit integer. Common @@ -767,10 +767,10 @@ static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n) WARN_ON(n > 32); report += offset >> 3; /* adjust byte index */ - offset &= 7; /* now only need bit offset into one byte */ + offset &= 7; /* now only need bit offset into one byte */ x = get_unaligned((u64 *) report); x = le64_to_cpu(x); - x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ + x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ return (u32) x; } @@ -829,7 +829,7 @@ static void hid_process_event(struct hid_device *hid, struct hid_field *field, s * reporting to the layer). */ -static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt) +void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt) { unsigned n; unsigned count = field->report_count; @@ -875,7 +875,7 @@ static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u exit: kfree(value); } - +EXPORT_SYMBOL_GPL(hid_input_field); /* * Output the field into the report. @@ -900,7 +900,7 @@ static void hid_output_field(struct hid_field *field, __u8 *data) * Create a report. */ -static void hid_output_report(struct hid_report *report, __u8 *data) +void hid_output_report(struct hid_report *report, __u8 *data) { unsigned n; @@ -910,6 +910,7 @@ static void hid_output_report(struct hid_report *report, __u8 *data) for (n = 0; n < report->maxfield; n++) hid_output_field(report->field[n], data); } +EXPORT_SYMBOL_GPL(hid_output_report); /* * Set a field value. The report this field belongs to has to be @@ -937,4 +938,5 @@ int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) field->value[offset] = value; return 0; } +EXPORT_SYMBOL_GPL(hid_set_field); -- cgit v1.2.3