diff options
| -rw-r--r-- | drivers/hid/hid-core.c | 940 | ||||
| -rw-r--r-- | drivers/hid/hid-input.c | 840 | ||||
| -rw-r--r-- | drivers/usb/input/hid-core.c | 1039 | ||||
| -rw-r--r-- | drivers/usb/input/hid-ff.c | 2 | ||||
| -rw-r--r-- | drivers/usb/input/hid-input.c | 844 | ||||
| -rw-r--r-- | drivers/usb/input/hid-lgff.c | 2 | ||||
| -rw-r--r-- | drivers/usb/input/hid-pidff.c | 4 | ||||
| -rw-r--r-- | drivers/usb/input/hid-tmff.c | 2 | ||||
| -rw-r--r-- | drivers/usb/input/hid-zpff.c | 2 | ||||
| -rw-r--r-- | drivers/usb/input/hiddev.c | 3 | ||||
| -rw-r--r-- | include/linux/hid-debug.h (renamed from drivers/usb/input/hid-debug.h) | 0 | ||||
| -rw-r--r-- | include/linux/hid.h (renamed from drivers/usb/input/hid.h) | 20 |
12 files changed, 1896 insertions, 1802 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c new file mode 100644 index 00000000000..689ae16adf3 --- /dev/null +++ b/drivers/hid/hid-core.c @@ -0,0 +1,940 @@ +/* + * USB HID support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/list.h> +#include <linux/mm.h> +#include <linux/smp_lock.h> +#include <linux/spinlock.h> +#include <asm/unaligned.h> +#include <asm/byteorder.h> +#include <linux/input.h> +#include <linux/wait.h> + +#undef DEBUG +#undef DEBUG_DATA + +#include <linux/usb.h> + +#include <linux/hid.h> +#include <linux/hiddev.h> + +/* + * Version Information + */ + +#define DRIVER_VERSION "v2.6" +#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik" +#define DRIVER_DESC "USB HID core driver" +#define DRIVER_LICENSE "GPL" + +/* + * Module parameters. + */ + +static unsigned int hid_mousepoll_interval; +module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644); +MODULE_PARM_DESC(mousepoll, "Polling interval of mice"); + +/* + * Register a new report for a device. + */ + +static struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) +{ + struct hid_report_enum *report_enum = device->report_enum + type; + struct hid_report *report; + + if (report_enum->report_id_hash[id]) + return report_enum->report_id_hash[id]; + + if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL))) + return NULL; + + if (id != 0) + report_enum->numbered = 1; + + report->id = id; + report->type = type; + report->size = 0; + report->device = device; + report_enum->report_id_hash[id] = report; + + list_add_tail(&report->list, &report_enum->report_list); + + return report; +} + +/* + * Register a new field for this report. + */ + +static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) +{ + struct hid_field *field; + + if (report->maxfield == HID_MAX_FIELDS) { + dbg("too many fields in report"); + return NULL; + } + + if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage) + + values * sizeof(unsigned), GFP_KERNEL))) return NULL; + + field->index = report->maxfield++; + report->field[field->index] = field; + field->usage = (struct hid_usage *)(field + 1); + field->value = (unsigned *)(field->usage + usages); + field->report = report; + + return field; +} + +/* + * Open a collection. The type/usage is pushed on the stack. + */ + +static int open_collection(struct hid_parser *parser, unsigned type) +{ + struct hid_collection *collection; + unsigned usage; + + usage = parser->local.usage[0]; + + if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { + dbg("collection stack overflow"); + return -1; + } + + if (parser->device->maxcollection == parser->device->collection_size) { + collection = kmalloc(sizeof(struct hid_collection) * + parser->device->collection_size * 2, GFP_KERNEL); + if (collection == NULL) { + dbg("failed to reallocate collection array"); + return -1; + } + memcpy(collection, parser->device->collection, + sizeof(struct hid_collection) * + parser->device->collection_size); + memset(collection + parser->device->collection_size, 0, + sizeof(struct hid_collection) * + parser->device->collection_size); + kfree(parser->device->collection); + parser->device->collection = collection; + parser->device->collection_size *= 2; + } + + parser->collection_stack[parser->collection_stack_ptr++] = + parser->device->maxcollection; + + collection = parser->device->collection + + parser->device->maxcollection++; + collection->type = type; + collection->usage = usage; + collection->level = parser->collection_stack_ptr - 1; + + if (type == HID_COLLECTION_APPLICATION) + parser->device->maxapplication++; + + return 0; +} + +/* + * Close a collection. + */ + +static int close_collection(struct hid_parser *parser) +{ + if (!parser->collection_stack_ptr) { + dbg("collection stack underflow"); + return -1; + } + parser->collection_stack_ptr--; + return 0; +} + +/* + * Climb up the stack, search for the specified collection type + * and return the usage. + */ + +static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) +{ + int n; + for (n = parser->collection_stack_ptr - 1; n >= 0; n--) + if (parser->device->collection[parser->collection_stack[n]].type == type) + return parser->device->collection[parser->collection_stack[n]].usage; + return 0; /* we know nothing about this usage type */ +} + +/* + * Add a usage to the temporary parser table. + */ + +static int hid_add_usage(struct hid_parser *parser, unsigned usage) +{ + if (parser->local.usage_index >= HID_MAX_USAGES) { + dbg("usage index exceeded"); + return -1; + } + parser->local.usage[parser->local.usage_index] = usage; + parser->local.collection_index[parser->local.usage_index] = + parser->collection_stack_ptr ? + parser->collection_stack[parser->collection_stack_ptr - 1] : 0; + parser->local.usage_index++; + return 0; +} + +/* + * Register a new field for this report. + */ + +static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) +{ + struct hid_report *report; + struct hid_field *field; + int usages; + unsigned offset; + int i; + + if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) { + dbg("hid_register_report failed"); + return -1; + } + + if (parser->global.logical_maximum < parser->global.logical_minimum) { + dbg("logical range invalid %d %d", parser->global.logical_minimum, parser->global.logical_maximum); + return -1; + } + + offset = report->size; + report->size += parser->global.report_size * parser->global.report_count; + + if (!parser->local.usage_index) /* Ignore padding fields */ + return 0; + + usages = max_t(int, parser->local.usage_index, parser->global.report_count); + + if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL) + return 0; + + field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); + field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); + field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); + + for (i = 0; i < usages; i++) { + int j = i; + /* Duplicate the last usage we parsed if we have excess values */ + if (i >= parser->local.usage_index) + j = parser->local.usage_index - 1; + field->usage[i].hid = parser->local.usage[j]; + field->usage[i].collection_index = + parser->local.collection_index[j]; + } + + field->maxusage = usages; + field->flags = flags; + field->report_offset = offset; + field->report_type = report_type; + field->report_size = parser->global.report_size; + field->report_count = parser->global.report_count; + field->logical_minimum = parser->global.logical_minimum; + field->logical_maximum = parser->global.logical_maximum; + field->physical_minimum = parser->global.physical_minimum; + field->physical_maximum = parser->global.physical_maximum; + field->unit_exponent = parser->global.unit_exponent; + field->unit = parser->global.unit; + + return 0; +} + +/* + * Read data value from item. + */ + +static u32 item_udata(struct hid_item *item) +{ + switch (item->size) { + case 1: return item->data.u8; + case 2: return item->data.u16; + case 4: return item->data.u32; + } + return 0; +} + +static s32 item_sdata(struct hid_item *item) +{ + switch (item->size) { + case 1: return item->data.s8; + case 2: return item->data.s16; + case 4: return item->data.s32; + } + return 0; +} + +/* + * Process a global item. + */ + +static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) +{ + switch (item->tag) { + + case HID_GLOBAL_ITEM_TAG_PUSH: + + if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { + dbg("global enviroment stack overflow"); + return -1; + } + + memcpy(parser->global_stack + parser->global_stack_ptr++, + &parser->global, sizeof(struct hid_global)); + return 0; + + case HID_GLOBAL_ITEM_TAG_POP: + + if (!parser->global_stack_ptr) { + dbg("global enviroment stack underflow"); + return -1; + } + + memcpy(&parser->global, parser->global_stack + --parser->global_stack_ptr, + sizeof(struct hid_global)); + return 0; + + case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: + parser->global.usage_page = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: + parser->global.logical_minimum = item_sdata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: + if (parser->global.logical_minimum < 0) + parser->global.logical_maximum = item_sdata(item); + else + parser->global.logical_maximum = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: + parser->global.physical_minimum = item_sdata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: + if (parser->global.physical_minimum < 0) + parser->global.physical_maximum = item_sdata(item); + else + parser->global.physical_maximum = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: + parser->global.unit_exponent = item_sdata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_UNIT: + parser->global.unit = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: + if ((parser->global.report_size = item_udata(item)) > 32) { + dbg("invalid report_size %d", parser->global.report_size); + return -1; + } + return 0; + + case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: + if ((parser->global.report_count = item_udata(item)) > HID_MAX_USAGES) { + dbg("invalid report_count %d", parser->global.report_count); + return -1; + } + return 0; + + case HID_GLOBAL_ITEM_TAG_REPORT_ID: + if ((parser->global.report_id = item_udata(item)) == 0) { + dbg("report_id 0 is invalid"); + return -1; + } + return 0; + + default: + dbg("unknown global tag 0x%x", item->tag); + return -1; + } +} + +/* + * Process a local item. + */ + +static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) +{ + __u32 data; + unsigned n; + + if (item->size == 0) { + dbg("item data expected for local item"); + return -1; + } + + data = item_udata(item); + + switch (item->tag) { + + case HID_LOCAL_ITEM_TAG_DELIMITER: + + if (data) { + /* + * We treat items before the first delimiter + * as global to all usage sets (branch 0). + * In the moment we process only these global + * items and the first delimiter set. + */ + if (parser->local.delimiter_depth != 0) { + dbg("nested delimiters"); + return -1; + } + parser->local.delimiter_depth++; + parser->local.delimiter_branch++; + } else { + if (parser->local.delimiter_depth < 1) { + dbg("bogus close delimiter"); + return -1; + } + parser->local.delimiter_depth--; + } + return 1; + + case HID_LOCAL_ITEM_TAG_USAGE: + + if (parser->local.delimiter_branch > 1) { + dbg("alternative usage ignored"); + return 0; + } + + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; + + return hid_add_usage(parser, data); + + case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: + + if (parser->local.delimiter_branch > 1) { + dbg("alternative usage ignored"); + return 0; + } + + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; + + parser->local.usage_minimum = data; + return 0; + + case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: + + if (parser->local.delimiter_branch > 1) { + dbg("alternative usage ignored"); + return 0; + } + + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; + + for (n = parser->local.usage_minimum; n <= data; n++) + if (hid_add_usage(parser, n)) { + dbg("hid_add_usage failed\n"); + return -1; + } + return 0; + + default: + + dbg("unknown local item tag 0x%x", item->tag); + return 0; + } + return 0; +} + +/* + * Process a main item. + */ + +static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) +{ + __u32 data; + int ret; + + data = item_udata(item); + + switch (item->tag) { + case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: + ret = open_collection(parser, data & 0xff); + break; + case HID_MAIN_ITEM_TAG_END_COLLECTION: + ret = close_collection(parser); + break; + case HID_MAIN_ITEM_TAG_INPUT: + ret = hid_add_field(parser, HID_INPUT_REPORT, data); + break; + case HID_MAIN_ITEM_TAG_OUTPUT: + ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); + break; + case HID_MAIN_ITEM_TAG_FEATURE: + ret = hid_add_field(parser, HID_FEATURE_REPORT, data); + break; + default: + dbg("unknown main item tag 0x%x", item->tag); + ret = 0; + } + + memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ + + return ret; +} + +/* + * Process a reserved item. + */ + +static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) +{ + dbg("reserved item type, tag 0x%x", item->tag); + return 0; +} + +/* + * Free a report and all registered fields. The field->usage and + * field->value table's are allocated behind the field, so we need + * only to free(field) itself. + */ + +static void hid_free_report(struct hid_report *report) +{ + unsigned n; + + for (n = 0; n < report->maxfield; n++) + kfree(report->field[n]); + kfree(report); +} + +/* + * Free a device structure, all reports, and all fields. + */ + +static void hid_free_device(struct hid_device *device) +{ + unsigned i,j; + + for (i = 0; i < HID_REPORT_TYPES; i++) { + struct hid_report_enum *report_enum = device->report_enum + i; + + for (j = 0; j < 256; j++) { + struct hid_report *report = report_enum->report_id_hash[j]; + if (report) + hid_free_report(report); + } + } + + kfree(device->rdesc); + kfree(device); +} + +/* + * Fetch a report description item from the data stream. We support long + * items, though they are not used yet. + */ + +static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) +{ + u8 b; + + if ((end - start) <= 0) + return NULL; + + b = *start++; + + item->type = (b >> 2) & 3; + item->tag = (b >> 4) & 15; + + if (item->tag == HID_ITEM_TAG_LONG) { + + item->format = HID_ITEM_FORMAT_LONG; + + if ((end - start) < 2) + return NULL; + + item->size = *start++; + item->tag = *start++; + + if ((end - start) < item->size) + return NULL; + + item->data.longdata = start; + start += item->size; + return start; + } + + item->format = HID_ITEM_FORMAT_SHORT; + item->size = b & 3; + + switch (item->size) { + + case 0: + return start; + + case 1: + if ((end - start) < 1) + return NULL; + item->data.u8 = *start++; + return start; + + case 2: + if ((end - start) < 2) + return NULL; + item->data.u16 = le16_to_cpu(get_unaligned((__le16*)start)); + start = (__u8 *)((__le16 *)start + 1); + return start; + + case 3: + item->size++; + if ((end - start) < 4) + return NULL; + item->data.u32 = le32_to_cpu(get_unaligned((__le32*)start)); + start = (__u8 *)((__le32 *)start + 1); + return start; + } + + return NULL; +} + +/* + * Parse a report description into a hid_device structure. Reports are + * enumerated, fields are attached to these reports. + */ + +static struct hid_device *hid_parse_report(__u8 *start, unsigned size) +{ + struct hid_device *device; + struct hid_parser *parser; + struct hid_item item; + __u8 *end; + unsigned i; + static int (*dispatch_type[])(struct hid_parser *parser, + struct hid_item *item) = { + hid_parser_main, + hid_parser_global, + hid_parser_local, + hid_parser_reserved + }; + + if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL))) + return NULL; + + if (!(device->collection = kzalloc(sizeof(struct hid_collection) * + HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) { + kfree(device); + return NULL; + } + device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; + + for (i = 0; i < HID_REPORT_TYPES; i++) + INIT_LIST_HEAD(&device->report_enum[i].report_list); + + if (!(device->rdesc = (__u8 *)kmalloc(size, GFP_KERNEL))) { + kfree(device->collection); + kfree(device); + return NULL; + } + memcpy(device->rdesc, start, size); + device->rsize = size; + + if (!(parser = kzalloc(sizeof(struct hid_parser), GFP_KERNEL))) { + kfree(device->rdesc); + kfree(device->collection); + kfree(device); + return NULL; + } + parser->device = device; + + end = start + size; + while ((start = fetch_item(start, end, &item)) != NULL) { + + if (item.format != HID_ITEM_FORMAT_SHORT) { + dbg("unexpected long global item"); + kfree(device->collection); + hid_free_device(device); + kfree(parser); + return NULL; + } + + if (dispatch_type[item.type](parser, &item)) { + dbg("item %u %u %u %u parsing failed\n", + item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag); + kfree(device->collection); + hid_free_device(device); + kfree(parser); + return NULL; + } + + if (start == end) { + if (parser->collection_stack_ptr) { + dbg("unbalanced collection at end of report description"); + kfree(device->collection); + hid_free_device(device); + kfree(parser); + return NULL; + } + if (parser->local.delimiter_depth) { + dbg("unbalanced delimiter at end of report description"); + kfree(device->collection); + hid_free_device(device); + kfree(parser); + return NULL; + } + kfree(parser); + return device; + } + } + + dbg("item fetching failed at offset %d\n", (int)(end - start)); + kfree(device->collection); + hid_free_device(device); + kfree(parser); + return NULL; +} + +/* + * Convert a signed n-bit integer to signed 32-bit integer. Common + * cases are done through the compiler, the screwed things has to be + * done by hand. + */ + +static s32 snto32(__u32 value, unsigned n) +{ + switch (n) { + case 8: return ((__s8)value); + case 16: return ((__s16)value); + case 32: return ((__s32)value); + } + return value & (1 << (n - 1)) ? value | (-1 << n) : value; +} + +/* + * Convert a signed 32-bit integer to a signed n-bit integer. + */ + +static u32 s32ton(__s32 value, unsigned n) +{ + s32 a = value >> (n - 1); + if (a && a != -1) + return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; + return value & ((1 << n) - 1); +} + +/* + * Extract/implement a data field from/to a little endian report (bit array). + * + * Code sort-of follows HID spec: + * http://www.usb.org/developers/devclass_docs/HID1_11.pdf + * + * While the USB HID spec allows unlimited length bit fields in "report + * descriptors", most devices never use more than 16 bits. + * One model of UPS is claimed to report "LINEV" as a 32-bit field. + * Search linux-kernel and linux-usb-devel archives for "hid-core extract". + */ + +static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n) +{ + u64 x; + + WARN_ON(n > 32); + + report += offset >> 3; /* adjust byte index */ + 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 */ + return (u32) x; +} + +/* + * "implement" : set bits in a little endian bit stream. + * Same concepts as "extract" (see comments above). + * The data mangled in the bit stream remains in little endian + * order the whole time. It make more sense to talk about + * endianness of register values by considering a register + * a "cached" copy of the little endiad bit stream. + */ +static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value) +{ + u64 x; + u64 m = (1ULL << n) - 1; + + WARN_ON(n > 32); + + WARN_ON(value > m); + value &= m; + + report += offset >> 3; + offset &= 7; + + x = get_unaligned((u64 *)report); + x &= cpu_to_le64(~(m << offset)); + x |= cpu_to_le64(((u64) value) << offset); + put_unaligned(x, (u64 *) report); +} + +/* + * Search an array for a value. + */ + +static __inline__ int search(__s32 *array, __s32 value, unsigned n) +{ + while (n--) { + if (*array++ == value) + return 0; + } + return -1; +} + +static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt) +{ + hid_dump_input(usage, value); + if (hid->claimed & HID_CLAIMED_INPUT) + hidinput_hid_event(hid, field, usage, value); + if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt) + hiddev_hid_event(hid, field, usage, value); +} + +/* + * Analyse a received field, and fetch the data from it. The field + * content is stored for next report processing (we do differential + * reporting to the layer). + */ + +static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt) +{ + unsigned n; + unsigned count = field->report_count; + unsigned offset = field->report_offset; + unsigned size = field->report_size; + __s32 min = field->logical_minimum; + __s32 max = field->logical_maximum; + __s32 *value; + + if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC))) + return; + + for (n = 0; n < count; n++) { + + value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) : + extract(data, offset + n * size, size); + + if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */ + && value[n] >= min && value[n] <= max + && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) + goto exit; + } + + for (n = 0; n < count; n++) { + + if (HID_MAIN_ITEM_VARIABLE & field->flags) { + hid_process_event(hid, field, &field->usage[n], value[n], interrupt); + continue; + } + + if (field->value[n] >= min && field->value[n] <= max + && field->usage[field->value[n] - min].hid + && search(value, field->value[n], count)) + hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); + + if (value[n] >= min && value[n] <= max + && field->usage[value[n] - min].hid + && search(field->value, value[n], count)) + hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); + } + + memcpy(field->value, value, count * sizeof(__s32)); +exit: + kfree(value); +} + + +/* + * Output the field into the report. + */ + +static void hid_output_field(struct hid_field *field, __u8 *data) +{ + unsigned count = field->report_count; + unsigned offset = field->report_offset; + unsigned size = field->report_size; + unsigned n; + + for (n = 0; n < count; n++) { + if (field->logical_minimum < 0) /* signed values */ + implement(data, offset + n * size, size, s32ton(field->value[n], size)); + else /* unsigned values */ + implement(data, offset + n * size, size, field->value[n]); + } +} + +/* + * Create a report. + */ + +static void hid_output_report(struct hid_report *report, __u8 *data) +{ + unsigned n; + + if (report->id > 0) + *data++ = report->id; + + for (n = 0; n < report->maxfield; n++) + hid_output_field(report->field[n], data); +} + +/* + * Set a field value. The report this field belongs to has to be + * created and transferred to the device, to set this value in the + * device. + */ + +int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) +{ + unsigned size = field->report_size; + + hid_dump_input(field->usage + offset, value); + + if (offset >= field->report_count) { + dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count); + hid_dump_field(field, 8); + return -1; + } + if (field->logical_minimum < 0) { + if (value != snto32(s32ton(value, size), size)) { + dbg("value %d is out of range", value); + return -1; + } + } + field->value[offset] = value; + return 0; +} + diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c new file mode 100644 index 00000000000..d459005062e --- /dev/null +++ b/drivers/hid/hid-input.c @@ -0,0 +1,840 @@ +/* + * $Id: hid-input.c,v 1.2 2002/04/23 00:59:25 rdamazio Exp $ + * + * Copyright (c) 2000-2001 Vojtech Pavlik + * Copyright (c) 2006 Jiri Kosina + * + * HID to Linux Input mapping + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * 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 + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/kernel.h> +#include <linux/usb/input.h> + +#undef DEBUG + +#include <linux/hid.h> + +#define unk KEY_UNKNOWN + +static const unsigned char hid_keyboard[256] = { + 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, + 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, + 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, + 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, + 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, + 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, + 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, + 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, + 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk +}; + +static const struct { + __s32 x; + __s32 y; +} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; + +#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0) +#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0) +#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0) +#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0) + +#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0) +#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0) + +#ifdef CONFIG_USB_HIDINPUT_POWERBOOK + +struct hidinput_key_translation { + u16 from; + u16 to; + u8 flags; +}; + +#define POWERBOOK_FLAG_FKEY 0x01 + +static struct hidinput_key_translation powerbook_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY }, + { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY }, + { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY }, + { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY }, + { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY }, + { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY }, + { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY }, + { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY }, + { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + +static struct hidinput_key_translation powerbook_numlock_keys[] = { + { KEY_J, KEY_KP1 }, + { KEY_K, KEY_KP2 }, + { KEY_L, KEY_KP3 }, + { KEY_U, KEY_KP4 }, + { KEY_I, KEY_KP5 }, + { KEY_O, KEY_KP6 }, + { KEY_7, KEY_KP7 }, + { KEY_8, KEY_KP8 }, + { KEY_9, KEY_KP9 }, + { KEY_M, KEY_KP0 }, + { KEY_DOT, KEY_KPDOT }, + { KEY_SLASH, KEY_KPPLUS }, + { KEY_SEMICOLON, KEY_KPMINUS }, + { KEY_P, KEY_KPASTERISK }, + { KEY_MINUS, KEY_KPEQUAL }, + { KEY_0, KEY_KPSLASH }, + { KEY_F6, KEY_NUMLOCK }, + { KEY_KPENTER, KEY_KPENTER }, + { KEY_BACKSPACE, KEY_BACKSPACE }, + { } +}; + +static struct hidinput_key_translation powerbook_iso_keyboard[] = { + { KEY_GRAVE, KEY_102ND }, + { KEY_102ND, KEY_GRAVE }, + { } +}; + + +static int usbhid_pb_fnmode = 1; +module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644); +MODULE_PARM_DESC(pb_fnmode, + "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)"); + +static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from) +{ + struct hidinput_key_translation *trans; + + /* Look for the translation */ + for (trans = table; trans->from; trans++) + if (trans->from == from) + return trans; + + return NULL; +} + +static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, + struct hid_usage *usage, __s32 value) +{ + struct hidinput_key_translation *trans; + + if (usage->code == KEY_FN) { + if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON; + else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON; + + input_event(input, usage->type, usage->code, value); + + return 1; + } + + if (usbhid_pb_fnmode) { + int do_translate; + + trans = find_translation(powerbook_fn_keys, usage->code); + if (trans) { + if (test_bit(usage->code, hid->pb_pressed_fn)) + do_translate = 1; + else if (trans->flags & POWERBOOK_FLAG_FKEY) + do_translate = + (usbhid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) || + (usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)); + else + do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON); + + if (do_translate) { + if (value) + set_bit(usage->code, hid->pb_pressed_fn); + else + clear_bit(usage->code, hid->pb_pressed_fn); + + input_event(input, usage->type, trans->to, value); + + return 1; + } + } + + if (test_bit(usage->code, hid->pb_pressed_numlock) || + test_bit(LED_NUML, input->led)) { + trans = find_translation(powerbook_numlock_keys, usage->code); + + if (trans) { + if (value) + set_bit(usage->code, hid->pb_pressed_numlock); + else + clear_bit(usage->code, hid->pb_pressed_numlock); + + input_event(input, usage->type, trans->to, value); + } + + return 1; + } + } + + if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) { + trans = find_translation(powerbook_iso_keyboard, usage->code); + if (trans) { + input_event(input, usage->type, trans->to, value); + return 1; + } + } + + return 0; +} + +static void hidinput_pb_setup(struct input_dev *input) +{ + struct hidinput_key_translation *trans; + + set_bit(KEY_NUMLOCK, input->keybit); + + /* Enable all needed keys */ + for (trans = powerbook_fn_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_numlock_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_iso_keyboard; trans->from; trans++) + set_bit(trans->to, input->keybit); + +} +#else +static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, + struct hid_usage *usage, __s32 value) +{ + return 0; +} + +static inline void hidinput_pb_setup(struct input_dev *input) +{ +} +#endif + +static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, + struct hid_usage *usage) +{ + struct input_dev *input = hidinput->input; + struct hid_device *device = input->private; + int max = 0, code; + unsigned long *bit = NULL; + + field->hidinput = hidinput; + +#ifdef DEBUG + printk(KERN_DEBUG "Mapping: "); + resolv_usage(usage->hid); + printk(" ---> "); +#endif + + if (field->flags & HID_MAIN_ITEM_CONSTANT) + goto ignore; + + switch (usage->hid & HID_USAGE_PAGE) { + + case HID_UP_UNDEFINED: + goto ignore; + + case HID_UP_KEYBOARD: + + set_bit(EV_REP, input->evbit); + + if ((usage->hid & HID_USAGE) < 256) { + if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; + map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); + } else + map_key(KEY_UNKNOWN); + + break; + + case HID_UP_BUTTON: + + code = ((usage->hid - 1) & 0xf); + + switch (field->application) { + case HID_GD_MOUSE: + case HID_GD_POINTER: code += 0x110; break; + case HID_GD_JOYSTICK: code += 0x120; break; + case HID_GD_GAMEPAD: code += 0x130; break; + default: + switch (field->physical) { + case HID_GD_MOUSE: + case HID_GD_POINTER: code += 0x110; break; + case HID_GD_JOYSTICK: code += 0x120; break; + case HID_GD_GAMEPAD: code += 0x130; break; + default: code += 0x100; + } + } + + map_key(code); + break; + + + case HID_UP_SIMULATION: + + switch (usage->hid & 0xffff) { + case 0xba: map_abs(ABS_RUDDER); break; + case 0xbb: map_abs(ABS_THROTTLE); break; + case 0xc4: map_abs(ABS_GAS); break; + case 0xc5: map_abs(ABS_BRAKE); break; + case 0xc8: map_abs(ABS_WHEEL); break; + default: goto ignore; + } + break; + + case HID_UP_GENDESK: + + if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ + switch (usage->hid & 0xf) { + case 0x1: map_key_clear(KEY_POWER); break; + case 0x2: map_key_clear(KEY_SLEEP); break; + case 0x3: map_key_clear(KEY_WAKEUP); break; + default: goto unknown; + } + break; + } + + if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ + switch (usage->hid) { + case HID_GD_UP: usage->hat_dir = 1; break; + case HID_GD_DOWN: usage->hat_dir = 5; break; + case HID_GD_RIGHT: usage->hat_dir = 3; break; + case HID_GD_LEFT: usage->hat_dir = 7; break; + default: goto unknown; + } + if (field->dpad) { + map_abs(field->dpad); + goto ignore; + } + map_abs(ABS_HAT0X); + break; + } + + switch (usage->hid) { + + /* These usage IDs map directly to the usage codes. */ + case HID_GD_X: case HID_GD_Y: case HID_GD_Z: + case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: + case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: + if (field->flags & HID_MAIN_ITEM_RELATIVE) + map_rel(usage->hid & 0xf); + else + map_abs(usage->hid & 0xf); + break; + + case HID_GD_HATSWITCH: + usage->hat_min = field->logical_minimum; + usage->hat_max = field->logical_maximum; + map_abs(ABS_HAT0X); + break; + + case HID_GD_START: map_key_clear(BTN_START); break; + case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; + + default: goto unknown; + } + + break; + + case HID_UP_LED: + if (((usage->hid - 1) & 0xffff) >= LED_MAX) + goto ignore; + map_led((usage->hid - 1) & 0xffff); + break; + + case HID_UP_DIGITIZER: + + switch (usage->hid & 0xff) { + + case 0x30: /* TipPressure */ + if (!test_bit(BTN_TOUCH, input->keybit)) { + device->quirks |= HID_QUIRK_NOTOUCH; + set_bit(EV_KEY, input->evbit); + set_bit(BTN_TOUCH, input->keybit); + } + + map_abs_clear(ABS_PRESSURE); + break; + + case 0x32: /* InRange */ + switch (field->physical & 0xff) { + case 0x21: map_key(BTN_TOOL_MOUSE); break; + case 0x22: map_key(BTN_TOOL_FINGER); break; + default: map_key(BTN_TOOL_PEN); break; + } + break; + + case 0x3c: /* Invert */ + map_key_clear(BTN_TOOL_RUBBER); + break; + + case 0x33: /* Touch */ + case 0x42: /* TipSwitch */ + case 0x43: /* TipSwitch2 */ + device->quirks &= ~HID_QUIRK_NOTOUCH; + map_key_clear(BTN_TOUCH); + break; + + case 0x44: /* BarrelSwitch */ + map_key_clear(BTN_STYLUS); + break; + + default: goto unknown; + } + break; + + case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ + + switch (usage->hid & HID_USAGE) { + case 0x000: goto ignore; + case 0x034: map_key_clear(KEY_SLEEP); break; + case 0x036: map_key_clear(BTN_MISC); break; + case 0x045: map_key_clear(KEY_RADIO); break; + case 0x08a: map_key_clear(KEY_WWW); break; + case 0x08d: map_key_clear(KEY_PROGRAM); break; + case 0x095: map_key_clear(KEY_HELP); break; + case 0x09c: map_key_clear(KEY_CHANNELUP); break; + case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; + case 0x0b0: map_key_clear(KEY_PLAY); break; + case 0x0b1: map_key_clear(KEY_PAUSE); break; + case 0x0b2: map_key_clear(KEY_RECORD); break; + case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; + case 0x0b4: map_key_clear(KEY_REWIND); break; + case 0x0b5: map_key_clear(KEY_NEXTSONG); break; + case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; + case 0x0b7: map_key_clear(KEY_STOPCD); break; + case 0x0b8: map_key_clear(KEY_EJECTCD); break; + case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; + case 0x0e0: map_abs_clear(ABS_VOLUME); break; + case 0x0e2: map_key_clear(KEY_MUTE); break; + case 0x0e5: map_key_clear(KEY_BASSBOOST); break; + case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; + case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; + case 0x183: map_key_clear(KEY_CONFIG); break; + case 0x18a: map_key_clear(KEY_MAIL); break; + case 0x192: map_key_clear(KEY_CALC); break; + case 0x194: map_key_clear(KEY_FILE); break; + case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; + case 0x201: map_key_clear(KEY_NEW); break; + case 0x207: map_key_clear(KEY_SAVE); break; + case 0x208: map_key_clear(KEY_PRINT); break; + case 0x209: map_key_clear(KEY_PROPS); break; + case 0x21a: map_key_clear(KEY_UNDO); break; + case 0x21b: map_key_clear(KEY_COPY); break; + case 0x21c: map_key_clear(KEY_CUT); break; + case 0x21d: map_key_clear(KEY_PASTE); break; + case 0x221: map_key_clear(KEY_FIND); break; + case 0x223: map_key_clear(KEY_HOMEPAGE); break; + case 0x224: map_key_clear(KEY_BACK); break; + case 0x225: map_key_clear(KEY_FORWARD); break; + case 0x226: map_key_clear(KEY_STOP); break; + case 0x227: map_key_clear(KEY_REFRESH); break; + case 0x22a: map_key_clear(KEY_BOOKMARKS); break; + case 0x233: map_key_clear(KEY_SCROLLUP); break; + case 0x234: map_key_clear(KEY_SCROLLDOWN); break; + case 0x238: map_rel(REL_HWHEEL); break; + case 0x279: map_key_clear(KEY_REDO); break; + case 0x289: map_key_clear(KEY_REPLY); break; + case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; + case 0x28c: map_key_clear(KEY_SEND); break; + + /* Reported on a Cherry Cymotion keyboard */ + case 0x301: map_key_clear(KEY_PROG1); break; + case 0x302: map_key_clear(KEY_PROG2); break; + case 0x303: map_key_clear(KEY_PROG3); break; + + default: goto ignore; + } + break; + + case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ + + set_bit(EV_REP, input->evbit); + switch (usage->hid & HID_USAGE) { + case 0x021: map_key_clear(KEY_PRINT); break; + case 0x070: map_key_clear(KEY_HP); break; + case 0x071: map_key_clear(KEY_CAMERA); break; + case 0x072: map_key_clear(KEY_SOUND); break; + case 0x073: map_key_clear(KEY_QUESTION); break; + case 0x080: map_key_clear(KEY_EMAIL); break; + case 0x081: map_key_clear(KEY_CHAT); break; + case 0x082: map_key_clear(KEY_SEARCH); break; + case 0x083: map_key_clear(KEY_CONNECT); break; + case 0x084: map_key_clear(KEY_FINANCE); break; + case 0x085: map_key_clear(KEY_SPORT); break; + case 0x086: map_key_clear(KEY_SHOP); break; + default: goto ignore; + } + break; + + case HID_UP_MSVENDOR: + goto ignore; + + case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */ + + set_bit(EV_REP, input->evbit); + switch(usage->hid & HID_USAGE) { + case 0x003: + /* The fn key on Apple PowerBooks */ + map_key_clear(KEY_FN); + hidinput_pb_setup(input); + break; + + default: goto ignore; + } + break; + + case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */ + + set_bit(EV_REP, input->evbit); + switch(usage->hid & HID_USAGE) { + case 0x004: map_key_clear(KEY_AGAIN); break; + case 0x00d: map_key_clear(KEY_HOME); break; + case 0x024: map_key_clear(KEY_SHUFFLE); break; + case 0x025: map_key_clear(KEY_TV); break; + case 0x026: map_key_clear(KEY_MENU); break; + case 0x031: map_key_clear(KEY_AUDIO); break; + case 0x032: map_key_clear(KEY_TEXT); break; + case 0x033: map_key_clear(KEY_LAST); break; + case 0x047: map_key_clear(KEY_MP3); break; + case 0x048: map_key_clear(KEY_DVD); break; + case 0x049: map_key_clear(KEY_MEDIA); break; + case 0x04a: map_key_clear(KEY_VIDEO); break; + case 0x04b: map_key_clear(KEY_ANGLE); break; + case 0x04c: map_key_clear(KEY_LANGUAGE); break; + case 0x04d: map_key_clear(KEY_SUBTITLE); break; + case 0x051: map_key_clear(KEY_RED); break; + case 0x052: map_key_clear(KEY_CLOSE); break; + default: goto ignore; + } + break; + + case HID_UP_PID: + + switch(usage->hid & HID_USAGE) { + case 0xa4: map_key_clear(BTN_DEAD); break; + default: goto ignore; + } + break; + + default: + unknown: + if (field->report_size == 1) { + if (field->report->type == HID_OUTPUT_REPORT) { + map_led(LED_MISC); + break; + } + map_key(BTN_MISC); + break; + } + if (field->flags & HID_MAIN_ITEM_RELATIVE) { + map_rel(REL_MISC); + break; + } + map_abs(ABS_MISC); + break; + } + + if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { + if (usage->hid == HID_GD_Z) + map_rel(REL_HWHEEL); + else if (usage->code == BTN_1) + map_key(BTN_2); + else if (usage->code == BTN_2) + map_key(BTN_1); + } + + if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) && + (usage->type == EV_REL) && (usage->code == REL_WHEEL)) + set_bit(REL_HWHEEL, bit); + + if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) + || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) + goto ignore; + + if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && + usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) + field->flags &= ~HID_MAIN_ITEM_RELATIVE; + + set_bit(usage->type, input->evbit); + + while (usage->code <= max && test_and_set_bit(usage->code, bit)) + usage->code = find_next_zero_bit(bit, max + 1, usage->code); + + if (usage->code > max) + goto ignore; + + + if (usage->type == EV_ABS) { + + int a = field->logical_minimum; + int b = field->logical_maximum; + + if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { + a = field->logical_minimum = 0; + b = field->logical_maximum = 255; + } + + if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) + input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); + else input_set_abs_params(input, usage->code, a, b, 0, 0); + + } + + if (usage->type == EV_ABS && + (usage->hat_min < usage->hat_max || usage->hat_dir)) { + int i; + for (i = usage->code; i < usage->code + 2 && i <= max; i++) { + input_set_abs_params(input, i, -1, 1, 0, 0); + set_bit(i, input->absbit); + } + if (usage->hat_dir && !field->dpad) + field->dpad = usage->code; + } + +#ifdef DEBUG + resolv_event(usage->type, usage->code); + printk("\n"); +#endif + return; + +ignore: +#ifdef DEBUG + printk("IGNORED\n"); +#endif + return; +} + +void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) +{ + struct input_dev *input; + int *quirks = &hid->quirks; + + if (!field->hidinput) + return; + + input = field->hidinput->input; + + if (!usage->type) + return; + + if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) + || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) { + if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON; + else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON; + return; + } + + if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) { + input_event(input, usage->type, usage->code, -value); + return; + } + + if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) { + input_event(input, usage->type, REL_HWHEEL, value); + return; + } + + if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value)) + return; + + if (usage->hat_min < usage->hat_max || usage->hat_dir) { + int hat_dir = usage->hat_dir; + if (!hat_dir) + hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; + if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; + input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); + input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); + return; + } + + if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ + *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); + return; + } + + if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ + if (value) { + input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); + return; + } + input_event(input, usage->type, usage->code, 0); + input_event(input, usage->type, BTN_TOOL_RUBBER, 0); + return; + } + + if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ + int a = field->logical_minimum; + int b = field->logical_maximum; + input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); + } + + if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ + dbg("Maximum Effects - %d",value); + return; + } + + if (usage->hid == (HID_UP_PID | 0x7fUL)) { + dbg("PID Pool Report\n"); + return; + } + + if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ + return; + + input_event(input, usage->type, usage->code, value); + + if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) + input_event(input, usage->type, usage->code, 0); +} + +void hidinput_report_event(struct hid_device *hid, struct hid_report *report) +{ + struct hid_input *hidinput; + + list_for_each_entry(hidinput, &hid->inputs, list) + input_sync(hidinput->input); +} + +static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) +{ + struct hid_report *report; + int i, j; + + list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { + for (i = 0; i < report->maxfield; i++) { + *field = report->field[i]; + for (j = 0; j < (*field)->maxusage; j++) + if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) + return j; + } + } + return -1; +} + +/* + * Register the input device; print a message. + * Configure the input layer interface + * Read all reports and initialize the absolute field values. + */ + +int hidinput_connect(struct hid_device *hid) +{ + struct usb_device *dev = hid->dev; + struct hid_report *report; + struct hid_input *hidinput = NULL; + struct input_dev *input_dev; + int i, j, k; + + INIT_LIST_HEAD(&hid->inputs); + + for (i = 0; i < hid->maxcollection; i++) + if (hid->collection[i].type == HID_COLLECTION_APPLICATION || + hid->collection[i].type == HID_COLLECTION_PHYSICAL) + if (IS_INPUT_APPLICATION(hid->collection[i].usage)) + break; + + if (i == hid->maxcollection) + return -1; + + for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) + list_for_each_entry(report, &hid->report_enum[k].report_list, list) { + + if (!report->maxfield) + continue; + + if (!hidinput) { + hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!hidinput || !input_dev) { + kfree(hidinput); + input_free_device(input_dev); + err("Out of memory during hid input probe"); + return -1; + } + + input_dev->private = hid; + input_dev->event = hidinput_input_event; + input_dev->open = hidinput_open; + input_dev->close = hidinput_close; + + input_dev->name = hid->name; + input_dev->phys = hid->phys; + input_dev->uniq = hid->uniq; + usb_to_input_id(dev, &input_dev->id); + input_dev->cdev.dev = &hid->intf->dev; + + hidinput->input = input_dev; + list_add_tail(&hidinput->list, &hid->inputs); + } + + for (i = 0; i < report->maxfield; i++) + for (j = 0; j < report->field[i]->maxusage; j++) + hidinput_configure_usage(hidinput, report->field[i], + report->field[i]->usage + j); + + if (hid->quirks & HID_QUIRK_MULTI_INPUT) { + /* This will leave hidinput NULL, so that it + * allocates another one if we have more inputs on + * the same interface. Some devices (e.g. Happ's + * UGCI) cram a lot of unrelated inputs into the + * same interface. */ + hidinput->report = report; + input_register_device(hidinput->input); + hidinput = NULL; + } + } + + /* This only gets called when we are a single-input (most of the + * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is + * only useful in this case, and not for multi-input quirks. */ + if (hidinput) { + hid_ff_init(hid); + input_register_device(hidinput->input); + } + + return 0; +} + +void hidinput_disconnect(struct hid_device *hid) +{ + struct hid_input *hidinput, *next; + + list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { + list_del(&hidinput->list); + input_unregister_device(hidinput->input); + kfree(hidinput); + } +} diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 0811c39bd14..06e169b6a17 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -4,6 +4,7 @@ * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006 Jiri Kosina */ /* @@ -32,7 +33,7 @@ #include <linux/usb.h> -#include "hid.h" +#include <linux/hid.h> #include <linux/hiddev.h> /* @@ -55,887 +56,6 @@ module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644); MODULE_PARM_DESC(mousepoll, "Polling interval of mice"); /* - * Register a new report for a device. - */ - -static struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) -{ - struct hid_report_enum *report_enum = device->report_enum + type; - struct hid_report *report; - - if (report_enum->report_id_hash[id]) - return report_enum->report_id_hash[id]; - - if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL))) - return NULL; - - if (id != 0) - report_enum->numbered = 1; - - report->id = id; - report->type = type; - report->size = 0; - report->device = device; - report_enum->report_id_hash[id] = report; - - list_add_tail(&report->list, &report_enum->report_list); - - return report; -} - -/* - * Register a new field for this report. - */ - -static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) -{ - struct hid_field *field; - - if (report->maxfield == HID_MAX_FIELDS) { - dbg("too many fields in report"); - return NULL; - } - - if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage) - + values * sizeof(unsigned), GFP_KERNEL))) return NULL; - - field->index = report->maxfield++; - report->field[field->index] = field; - field->usage = (struct hid_usage *)(field + 1); - field->value = (unsigned *)(field->usage + usages); - field->report = report; - - return field; -} - -/* - * Open a collection. The type/usage is pushed on the stack. - */ - -static int open_collection(struct hid_parser *parser, unsigned type) -{ - struct hid_collection *collection; - unsigned usage; - - usage = parser->local.usage[0]; - - if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { - dbg("collection stack overflow"); - return -1; - } - - if (parser->device->maxcollection == parser->device->collection_size) { - collection = kmalloc(sizeof(struct hid_collection) * - parser->device->collection_size * 2, GFP_KERNEL); - if (collection == NULL) { - dbg("failed to reallocate collection array"); - return -1; - } - memcpy(collection, parser->device->collection, - sizeof(struct hid_collection) * - parser->device->collection_size); - memset(collection + parser->device->collection_size, 0, - sizeof(struct hid_collection) * - parser->device->collection_size); - kfree(parser->device->collection); - parser->device->collection = collection; - parser->device->collection_size *= 2; - } - - parser->collection_stack[parser->collection_stack_ptr++] = - parser->device->maxcollection; - - collection = parser->device->collection + - parser->device->maxcollection++; - collection->type = type; - collection->usage = usage; - collection->level = parser->collection_stack_ptr - 1; - - if (type == HID_COLLECTION_APPLICATION) - parser->device->maxapplication++; - - return 0; -} - -/* - * Close a collection. - */ - -static int close_collection(struct hid_parser *parser) -{ - if (!parser->collection_stack_ptr) { - dbg("collection stack underflow"); - return -1; - } - parser->collection_stack_ptr--; - return 0; -} - -/* - * Climb up the stack, search for the specified collection type - * and return the usage. - */ - -static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) -{ - int n; - for (n = parser->collection_stack_ptr - 1; n >= 0; n--) - if (parser->device->collection[parser->collection_stack[n]].type == type) - return parser->device->collection[parser->collection_stack[n]].usage; - return 0; /* we know nothing about this usage type */ -} - -/* - * Add a usage to the temporary parser table. - */ - -static int hid_add_usage(struct hid_parser *parser, unsigned usage) -{ - if (parser->local.usage_index >= HID_MAX_USAGES) { - dbg("usage index exceeded"); - return -1; - } - parser->local.usage[parser->local.usage_index] = usage; - parser->local.collection_index[parser->local.usage_index] = - parser->collection_stack_ptr ? - parser->collection_stack[parser->collection_stack_ptr - 1] : 0; - parser->local.usage_index++; - return 0; -} - -/* - * Register a new field for this report. - */ - -static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) -{ - struct hid_report *report; - struct hid_field *field; - int usages; - unsigned offset; - int i; - - if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) { - dbg("hid_register_report failed"); - return -1; - } - - if (parser->global.logical_maximum < parser->global.logical_minimum) { - dbg("logical range invalid %d %d", parser->global.logical_minimum, parser->global.logical_maximum); - return -1; - } - - offset = report->size; - report->size += parser->global.report_size * parser->global.report_count; - - if (!parser->local.usage_index) /* Ignore padding fields */ - return 0; - - usages = max_t(int, parser->local.usage_index, parser->global.report_count); - - if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL) - return 0; - - field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); - field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); - field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); - - for (i = 0; i < usages; i++) { - int j = i; - /* Duplicate the last usage we parsed if we have excess values */ - if (i >= parser->local.usage_index) - j = parser->local.usage_index - 1; - field->usage[i].hid = parser->local.usage[j]; - field->usage[i].collection_index = - parser->local.collection_index[j]; - } - - field->maxusage = usages; - field->flags = flags; - field->report_offset = offset; - field->report_type = report_type; - field->report_size = parser->global.report_size; - field->report_count = parser->global.report_count; - field->logical_minimum = parser->global.logical_minimum; - field->logical_maximum = parser->global.logical_maximum; - field->physical_minimum = parser->global.physical_minimum; - field->physical_maximum = parser->global.physical_maximum; - field->unit_exponent = parser->global.unit_exponent; - field->unit = parser->global.unit; - - return 0; -} - -/* - * Read data value from item. - */ - -static u32 item_udata(struct hid_item *item) -{ - switch (item->size) { - case 1: return item->data.u8; - case 2: return item->data.u16; - case 4: return item->data.u32; - } - return 0; -} - -static s32 item_sdata(struct hid_item *item) -{ - switch (item->size) { - case 1: return item->data.s8; - case 2: return item->data.s16; - case 4: return item->data.s32; - } - return 0; -} - -/* - * Process a global item. - */ - -static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) -{ - switch (item->tag) { - - case HID_GLOBAL_ITEM_TAG_PUSH: - - if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { - dbg("global enviroment stack overflow"); - return -1; - } - - memcpy(parser->global_stack + parser->global_stack_ptr++, - &parser->global, sizeof(struct hid_global)); - return 0; - - case HID_GLOBAL_ITEM_TAG_POP: - - if (!parser->global_stack_ptr) { - dbg("global enviroment stack underflow"); - return -1; - } - - memcpy(&parser->global, parser->global_stack + --parser->global_stack_ptr, - sizeof(struct hid_global)); - return 0; - - case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: - parser->global.usage_page = item_udata(item); - return 0; - - case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: - parser->global.logical_minimum = item_sdata(item); - return 0; - - case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: - if (parser->global.logical_minimum < 0) - parser->global.logical_maximum = item_sdata(item); - else - parser->global.logical_maximum = item_udata(item); - return 0; - - case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: - parser->global.physical_minimum = item_sdata(item); - return 0; - - case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: - if (parser->global.physical_minimum < 0) - parser->global.physical_maximum = item_sdata(item); - else - parser->global.physical_maximum = item_udata(item); - return 0; - - case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: - parser->global.unit_exponent = item_sdata(item); - return 0; - - case HID_GLOBAL_ITEM_TAG_UNIT: - parser->global.unit = item_udata(item); - return 0; - - case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: - if ((parser->global.report_size = item_udata(item)) > 32) { - dbg("invalid report_size %d", parser->global.report_size); - return -1; - } - return 0; - - case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: - if ((parser->global.report_count = item_udata(item)) > HID_MAX_USAGES) { - dbg("invalid report_count %d", parser->global.report_count); - return -1; - } - return 0; - - case HID_GLOBAL_ITEM_TAG_REPORT_ID: - if ((parser->global.report_id = item_udata(item)) == 0) { - dbg("report_id 0 is invalid"); - return -1; - } - return 0; - - default: - dbg("unknown global tag 0x%x", item->tag); - return -1; - } -} - -/* - * Process a local item. - */ - -static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) -{ - __u32 data; - unsigned n; - - if (item->size == 0) { - dbg("item data expected for local item"); - return -1; - } - - data = item_udata(item); - - switch (item->tag) { - - case HID_LOCAL_ITEM_TAG_DELIMITER: - - if (data) { - /* - * We treat items before the first delimiter - * as global to all usage sets (branch 0). - * In the moment we process only these global - * items and the first delimiter set. - */ - if (parser->local.delimiter_depth != 0) { - dbg("nested delimiters"); - return -1; - } - parser->local.delimiter_depth++; - parser->local.delimiter_branch++; - } else { - if (parser->local.delimiter_depth < 1) { - dbg("bogus close delimiter"); - return -1; - } - parser->local.delimiter_depth--; - } - return 1; - - case HID_LOCAL_ITEM_TAG_USAGE: - - if (parser->local.delimiter_branch > 1) { - dbg("alternative usage ignored"); - return 0; - } - - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; - - return hid_add_usage(parser, data); - - case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: - - if (parser->local.delimiter_branch > 1) { - dbg("alternative usage ignored"); - return 0; - } - - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; - - parser->local.usage_minimum = data; - return 0; - - case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: - - if (parser->local.delimiter_branch > 1) { - dbg("alternative usage ignored"); - return 0; - } - - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; - - for (n = parser->local.usage_minimum; n <= data; n++) - if (hid_add_usage(parser, n)) { - dbg("hid_add_usage failed\n"); - return -1; - } - return 0; - - default: - - dbg("unknown local item tag 0x%x", item->tag); - return 0; - } - return 0; -} - -/* - * Process a main item. - */ - -static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) -{ - __u32 data; - int ret; - - data = item_udata(item); - - switch (item->tag) { - case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: - ret = open_collection(parser, data & 0xff); - break; - case HID_MAIN_ITEM_TAG_END_COLLECTION: - ret = close_collection(parser); - break; - case HID_MAIN_ITEM_TAG_INPUT: - ret = hid_add_field(parser, HID_INPUT_REPORT, data); - break; - case HID_MAIN_ITEM_TAG_OUTPUT: - ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); - break; - case HID_MAIN_ITEM_TAG_FEATURE: - ret = hid_add_field(parser, HID_FEATURE_REPORT, data); - break; - default: - dbg("unknown main item tag 0x%x", item->tag); - ret = 0; - } - - memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ - - return ret; -} - -/* - * Process a reserved item. - */ - -static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) -{ - dbg("reserved item type, tag 0x%x", item->tag); - return 0; -} - -/* - * Free a report and all registered fields. The field->usage and - * field->value table's are allocated behind the field, so we need - * only to free(field) itself. - */ - -static void hid_free_report(struct hid_report *report) -{ - unsigned n; - - for (n = 0; n < report->maxfield; n++) - kfree(report->field[n]); - kfree(report); -} - -/* - * Free a device structure, all reports, and all fields. - */ - -static void hid_free_device(struct hid_device *device) -{ - unsigned i,j; - - for (i = 0; i < HID_REPORT_TYPES; i++) { - struct hid_report_enum *report_enum = device->report_enum + i; - - for (j = 0; j < 256; j++) { - struct hid_report *report = report_enum->report_id_hash[j]; - if (report) - hid_free_report(report); - } - } - - kfree(device->rdesc); - kfree(device); -} - -/* - * Fetch a report description item from the data stream. We support long - * items, though they are not used yet. - */ - -static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) -{ - u8 b; - - if ((end - start) <= 0) - return NULL; - - b = *start++; - - item->type = (b >> 2) & 3; - item->tag = (b >> 4) & 15; - - if (item->tag == HID_ITEM_TAG_LONG) { - - item->format = HID_ITEM_FORMAT_LONG; - - if ((end - start) < 2) - return NULL; - - item->size = *start++; - item->tag = *start++; - - if ((end - start) < item->size) - return NULL; - - item->data.longdata = start; - start += item->size; - return start; - } - - item->format = HID_ITEM_FORMAT_SHORT; - item->size = b & 3; - - switch (item->size) { - - case 0: - return start; - - case 1: - if ((end - start) < 1) - return NULL; - item->data.u8 = *start++; - return start; - - case 2: - if ((end - start) < 2) - return NULL; - item->data.u16 = le16_to_cpu(get_unaligned((__le16*)start)); - start = (__u8 *)((__le16 *)start + 1); - return start; - - case 3: - item->size++; - if ((end - start) < 4) - return NULL; - item->data.u32 = le32_to_cpu(get_unaligned((__le32*)start)); - start = (__u8 *)((__le32 *)start + 1); - return start; - } - - return NULL; -} - -/* - * Parse a report description into a hid_device structure. Reports are - * enumerated, fields are attached to these reports. - */ - -static struct hid_device *hid_parse_report(__u8 *start, unsigned size) -{ - struct hid_device *device; - struct hid_parser *parser; - struct hid_item item; - __u8 *end; - unsigned i; - static int (*dispatch_type[])(struct hid_parser *parser, - struct hid_item *item) = { - hid_parser_main, - hid_parser_global, - hid_parser_local, - hid_parser_reserved - }; - - if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL))) - return NULL; - - if (!(device->collection = kzalloc(sizeof(struct hid_collection) * - HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) { - kfree(device); - return NULL; - } - device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; - - for (i = 0; i < HID_REPORT_TYPES; i++) - INIT_LIST_HEAD(&device->report_enum[i].report_list); - - if (!(device->rdesc = (__u8 *)kmalloc(size, GFP_KERNEL))) { - kfree(device->collection); - kfree(device); - return NULL; - } - memcpy(device->rdesc, start, size); - device->rsize = size; - - if (!(parser = kzalloc(sizeof(struct hid_parser), GFP_KERNEL))) { - kfree(device->rdesc); - kfree(device->collection); - kfree(device); - return NULL; - } - parser->device = device; - - end = start + size; - while ((start = fetch_item(start, end, &item)) != NULL) { - - if (item.format != HID_ITEM_FORMAT_SHORT) { - dbg("unexpected long global item"); - kfree(device->collection); - hid_free_device(device); - kfree(parser); - return NULL; - } - - if (dispatch_type[item.type](parser, &item)) { - dbg("item %u %u %u %u parsing failed\n", - item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag); - kfree(device->collection); - hid_free_device(device); - kfree(parser); - return NULL; - } - - if (start == end) { - if (parser->collection_stack_ptr) { - dbg("unbalanced collection at end of report description"); - kfree(device->collection); - hid_free_device(device); - kfree(parser); - return NULL; - } - if (parser->local.delimiter_depth) { - dbg("unbalanced delimiter at end of report description"); - kfree(device->collection); - hid_free_device(device); - kfree(parser); - return NULL; - } - kfree(parser); - return device; - } - } - - dbg("item fetching failed at offset %d\n", (int)(end - start)); - kfree(device->collection); - hid_free_device(device); - kfree(parser); - return NULL; -} - -/* - * Convert a signed n-bit integer to signed 32-bit integer. Common - * cases are done through the compiler, the screwed things has to be - * done by hand. - */ - -static s32 snto32(__u32 value, unsigned n) -{ - switch (n) { - case 8: return ((__s8)value); - case 16: return ((__s16)value); - case 32: return ((__s32)value); - } - return value & (1 << (n - 1)) ? value | (-1 << n) : value; -} - -/* - * Convert a signed 32-bit integer to a signed n-bit integer. - */ - -static u32 s32ton(__s32 value, unsigned n) -{ - s32 a = value >> (n - 1); - if (a && a != -1) - return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; - return value & ((1 << n) - 1); -} - -/* - * Extract/implement a data field from/to a little endian report (bit array). - * - * Code sort-of follows HID spec: - * http://www.usb.org/developers/devclass_docs/HID1_11.pdf - * - * While the USB HID spec allows unlimited length bit fields in "report - * descriptors", most devices never use more than 16 bits. - * One model of UPS is claimed to report "LINEV" as a 32-bit field. - * Search linux-kernel and linux-usb-devel archives for "hid-core extract". - */ - -static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n) -{ - u64 x; - - WARN_ON(n > 32); - - report += offset >> 3; /* adjust byte index */ - 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 */ - return (u32) x; -} - -/* - * "implement" : set bits in a little endian bit stream. - * Same concepts as "extract" (see comments above). - * The data mangled in the bit stream remains in little endian - * order the whole time. It make more sense to talk about - * endianness of register values by considering a register - * a "cached" copy of the little endiad bit stream. - */ -static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value) -{ - u64 x; - u64 m = (1ULL << n) - 1; - - WARN_ON(n > 32); - - WARN_ON(value > m); - value &= m; - - report += offset >> 3; - offset &= 7; - - x = get_unaligned((u64 *)report); - x &= cpu_to_le64(~(m << offset)); - x |= cpu_to_le64(((u64) value) << offset); - put_unaligned(x, (u64 *) report); -} - -/* - * Search an array for a value. - */ - -static __inline__ int search(__s32 *array, __s32 value, unsigned n) -{ - while (n--) { - if (*array++ == value) - return 0; - } - return -1; -} - -static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt) -{ - hid_dump_input(usage, value); - if (hid->claimed & HID_CLAIMED_INPUT) - hidinput_hid_event(hid, field, usage, value); - if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt) - hiddev_hid_event(hid, field, usage, value); -} - -/* - * Analyse a received field, and fetch the data from it. The field - * content is stored for next report processing (we do differential - * reporting to the layer). - */ - -static void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt) -{ - unsigned n; - unsigned count = field->report_count; - unsigned offset = field->report_offset; - unsigned size = field->report_size; - __s32 min = field->logical_minimum; - __s32 max = field->logical_maximum; - __s32 *value; - - if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC))) - return; - - for (n = 0; n < count; n++) { - - value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) : - extract(data, offset + n * size, size); - - if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */ - && value[n] >= min && value[n] <= max - && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) - goto exit; - } - - for (n = 0; n < count; n++) { - - if (HID_MAIN_ITEM_VARIABLE & field->flags) { - hid_process_event(hid, field, &field->usage[n], value[n], interrupt); - continue; - } - - if (field->value[n] >= min && field->value[n] <= max - && field->usage[field->value[n] - min].hid - && search(value, field->value[n], count)) - hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); - - if (value[n] >= min && value[n] <= max - && field->usage[value[n] - min].hid - && search(field->value, value[n], count)) - hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); - } - - memcpy(field->value, value, count * sizeof(__s32)); -exit: - kfree(value); -} - -static int hid_input_report(int type, struct urb *urb, int interrupt) -{ - struct hid_device *hid = urb->context; - struct hid_report_enum *report_enum = hid->report_enum + type; - u8 *data = urb->transfer_buffer; - int len = urb->actual_length; - struct hid_report *report; - int n, size; - - if (!len) { - dbg("empty report"); - return -1; - } - -#ifdef DEBUG_DATA - printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un"); -#endif - - n = 0; /* Normally report number is 0 */ - if (report_enum->numbered) { /* Device uses numbered reports, data[0] is report number */ - n = *data++; - len--; - } - -#ifdef DEBUG_DATA - { - int i; - printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len); - for (i = 0; i < len; i++) - printk(" %02x", data[i]); - printk("\n"); - } -#endif - - if (!(report = report_enum->report_id_hash[n])) { - dbg("undefined report_id %d received", n); - return -1; - } - - size = ((report->size - 1) >> 3) + 1; - - if (len < size) { - dbg("report %d is too short, (%d < %d)", report->id, len, size); - memset(data + len, 0, size - len); - } - - if (hid->claimed & HID_CLAIMED_HIDDEV) - hiddev_report_event(hid, report); - - for (n = 0; n < report->maxfield; n++) - hid_input_field(hid, report->field[n], data, interrupt); - - if (hid->claimed & HID_CLAIMED_INPUT) - hidinput_report_event(hid, report); - - return 0; -} - -/* * Input submission and I/O error handler. */ @@ -1044,6 +164,65 @@ done: spin_unlock_irqrestore(&hid->inlock, flags); } + +static int hid_input_report(int type, struct urb *urb, int interrupt) +{ + struct hid_device *hid = urb->context; + struct hid_report_enum *report_enum = hid->report_enum + type; + u8 *data = urb->transfer_buffer; + int len = urb->actual_length; + struct hid_report *report; + int n, size; + + if (!len) { + dbg("empty report"); + return -1; + } + +#ifdef DEBUG_DATA + printk(KERN_DEBUG __FILE__ ": report (size %u) (%snumbered)\n", len, report_enum->numbered ? "" : "un"); +#endif + + n = 0; /* Normally report number is 0 */ + if (report_enum->numbered) { /* Device uses numbered reports, data[0] is report number */ + n = *data++; + len--; + } + +#ifdef DEBUG_DATA + { + int i; + printk(KERN_DEBUG __FILE__ ": report %d (size %u) = ", n, len); + for (i = 0; i < len; i++) + printk(" %02x", data[i]); + printk("\n"); + } +#endif + + if (!(report = report_enum->report_id_hash[n])) { + dbg("undefined report_id %d received", n); + return -1; + } + + size = ((report->size - 1) >> 3) + 1; + + if (len < size) { + dbg("report %d is too short, (%d < %d)", report->id, len, size); + memset(data + len, 0, size - len); + } + + if (hid->claimed & HID_CLAIMED_HIDDEV) + hiddev_report_event(hid, report); + + for (n = 0; n < report->maxfield; n++) + hid_input_field(hid, report->field[n], data, interrupt); + + if (hid->claimed & HID_CLAIMED_INPUT) + hidinput_report_event(hid, report); + + return 0; +} + /* * Input interrupt completion handler. */ @@ -1093,67 +272,6 @@ static void hid_irq_in(struct urb *urb) } /* - * Output the field into the report. - */ - -static void hid_output_field(struct hid_field *field, __u8 *data) -{ - unsigned count = field->report_count; - unsigned offset = field->report_offset; - unsigned size = field->report_size; - unsigned n; - - for (n = 0; n < count; n++) { - if (field->logical_minimum < 0) /* signed values */ - implement(data, offset + n * size, size, s32ton(field->value[n], size)); - else /* unsigned values */ - implement(data, offset + n * size, size, field->value[n]); - } -} - -/* - * Create a report. - */ - -static void hid_output_report(struct hid_report *report, __u8 *data) -{ - unsigned n; - - if (report->id > 0) - *data++ = report->id; - - for (n = 0; n < report->maxfield; n++) - hid_output_field(report->field[n], data); -} - -/* - * Set a field value. The report this field belongs to has to be - * created and transferred to the device, to set this value in the - * device. - */ - -int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) -{ - unsigned size = field->report_size; - - hid_dump_input(field->usage + offset, value); - - if (offset >= field->report_count) { - dbg("offset (%d) exceeds report_count (%d)", offset, field->report_count); - hid_dump_field(field, 8); - return -1; - } - if (field->logical_minimum < 0) { - if (value != snto32(s32ton(value, size), size)) { - dbg("value %d is out of range", value); - return -1; - } - } - field->value[offset] = value; - return 0; -} - -/* * Find a report field with a specified HID usage. */ #if 0 @@ -1379,6 +497,29 @@ void hid_submit_report(struct hid_device *hid, struct hid_report *report, unsign spin_unlock_irqrestore(&hid->ctrllock, flags); } +static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) +{ + struct hid_device *hid = dev->private; + struct hid_field *field; + int offset; + + if (type == EV_FF) + return input_ff_event(dev, type, code, value); + + if (type != EV_LED) + return -1; + + if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { + warn("event field not found"); + return -1; + } + + hid_set_field(field, offset, value); + hid_submit_report(hid, field->report, USB_DIR_OUT); + + return 0; +} + int hid_wait_io(struct hid_device *hid) { if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &hid->iofl) && @@ -1428,6 +569,18 @@ void hid_close(struct hid_device *hid) usb_kill_urb(hid->urbin); } +static int hidinput_open(struct input_dev *dev) +{ + struct hid_device *hid = dev->private; + return hid_open(hid); +} + +static void hidinput_close(struct input_dev *dev) +{ + struct hid_device *hid = dev->private; + hid_close(hid); +} + #define USB_VENDOR_ID_PANJIT 0x134c #define USB_VENDOR_ID_TURBOX 0x062a diff --git a/drivers/usb/input/hid-ff.c b/drivers/usb/input/hid-ff.c index a8fc46c721c..4187f4ee9a9 100644 --- a/drivers/usb/input/hid-ff.c +++ b/drivers/usb/input/hid-ff.c @@ -32,7 +32,7 @@ #undef DEBUG #include <linux/usb.h> -#include "hid.h" +#include <linux/hid.h> /* * This table contains pointers to initializers. To add support for new diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c index 3a7e5fbff02..8756eb3263d 100644 --- a/drivers/usb/input/hid-input.c +++ b/drivers/usb/input/hid-input.c @@ -4,6 +4,7 @@ * Copyright (c) 2000-2001 Vojtech Pavlik * * USB HID to Linux Input mapping + * */ /* @@ -26,847 +27,4 @@ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */ -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/usb/input.h> - -#undef DEBUG - -#include "hid.h" - -#define unk KEY_UNKNOWN - -static const unsigned char hid_keyboard[256] = { - 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, - 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, - 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, - 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, - 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, - 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, - 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, - 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, - 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, - 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, - unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, - unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, - unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, - unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, - 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, - 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk -}; - -static const struct { - __s32 x; - __s32 y; -} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; - -#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0) -#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0) -#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0) -#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0) - -#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0) -#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0) - -#ifdef CONFIG_USB_HIDINPUT_POWERBOOK - -struct hidinput_key_translation { - u16 from; - u16 to; - u8 flags; -}; - -#define POWERBOOK_FLAG_FKEY 0x01 - -static struct hidinput_key_translation powerbook_fn_keys[] = { - { KEY_BACKSPACE, KEY_DELETE }, - { KEY_F1, KEY_BRIGHTNESSDOWN, POWERBOOK_FLAG_FKEY }, - { KEY_F2, KEY_BRIGHTNESSUP, POWERBOOK_FLAG_FKEY }, - { KEY_F3, KEY_MUTE, POWERBOOK_FLAG_FKEY }, - { KEY_F4, KEY_VOLUMEDOWN, POWERBOOK_FLAG_FKEY }, - { KEY_F5, KEY_VOLUMEUP, POWERBOOK_FLAG_FKEY }, - { KEY_F6, KEY_NUMLOCK, POWERBOOK_FLAG_FKEY }, - { KEY_F7, KEY_SWITCHVIDEOMODE, POWERBOOK_FLAG_FKEY }, - { KEY_F8, KEY_KBDILLUMTOGGLE, POWERBOOK_FLAG_FKEY }, - { KEY_F9, KEY_KBDILLUMDOWN, POWERBOOK_FLAG_FKEY }, - { KEY_F10, KEY_KBDILLUMUP, POWERBOOK_FLAG_FKEY }, - { KEY_UP, KEY_PAGEUP }, - { KEY_DOWN, KEY_PAGEDOWN }, - { KEY_LEFT, KEY_HOME }, - { KEY_RIGHT, KEY_END }, - { } -}; - -static struct hidinput_key_translation powerbook_numlock_keys[] = { - { KEY_J, KEY_KP1 }, - { KEY_K, KEY_KP2 }, - { KEY_L, KEY_KP3 }, - { KEY_U, KEY_KP4 }, - { KEY_I, KEY_KP5 }, - { KEY_O, KEY_KP6 }, - { KEY_7, KEY_KP7 }, - { KEY_8, KEY_KP8 }, - { KEY_9, KEY_KP9 }, - { KEY_M, KEY_KP0 }, - { KEY_DOT, KEY_KPDOT }, - { KEY_SLASH, KEY_KPPLUS }, - { KEY_SEMICOLON, KEY_KPMINUS }, - { KEY_P, KEY_KPASTERISK }, - { KEY_MINUS, KEY_KPEQUAL }, - { KEY_0, KEY_KPSLASH }, - { KEY_F6, KEY_NUMLOCK }, - { KEY_KPENTER, KEY_KPENTER }, - { KEY_BACKSPACE, KEY_BACKSPACE }, - { } -}; - -static struct hidinput_key_translation powerbook_iso_keyboard[] = { - { KEY_GRAVE, KEY_102ND }, - { KEY_102ND, KEY_GRAVE }, - { } -}; - -static int usbhid_pb_fnmode = 1; -module_param_named(pb_fnmode, usbhid_pb_fnmode, int, 0644); -MODULE_PARM_DESC(pb_fnmode, - "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)"); - -static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from) -{ - struct hidinput_key_translation *trans; - - /* Look for the translation */ - for (trans = table; trans->from; trans++) - if (trans->from == from) - return trans; - - return NULL; -} - -static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, - struct hid_usage *usage, __s32 value) -{ - struct hidinput_key_translation *trans; - - if (usage->code == KEY_FN) { - if (value) hid->quirks |= HID_QUIRK_POWERBOOK_FN_ON; - else hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON; - - input_event(input, usage->type, usage->code, value); - - return 1; - } - - if (usbhid_pb_fnmode) { - int do_translate; - - trans = find_translation(powerbook_fn_keys, usage->code); - if (trans) { - if (test_bit(usage->code, hid->pb_pressed_fn)) - do_translate = 1; - else if (trans->flags & POWERBOOK_FLAG_FKEY) - do_translate = - (usbhid_pb_fnmode == 2 && (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) || - (usbhid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)); - else - do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON); - - if (do_translate) { - if (value) - set_bit(usage->code, hid->pb_pressed_fn); - else - clear_bit(usage->code, hid->pb_pressed_fn); - - input_event(input, usage->type, trans->to, value); - - return 1; - } - } - - if (test_bit(usage->code, hid->pb_pressed_numlock) || - test_bit(LED_NUML, input->led)) { - trans = find_translation(powerbook_numlock_keys, usage->code); - - if (trans) { - if (value) - set_bit(usage->code, hid->pb_pressed_numlock); - else - clear_bit(usage->code, hid->pb_pressed_numlock); - - input_event(input, usage->type, trans->to, value); - } - - return 1; - } - } - - if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) { - trans = find_translation(powerbook_iso_keyboard, usage->code); - if (trans) { - input_event(input, usage->type, trans->to, value); - return 1; - } - } - - return 0; -} - -static void hidinput_pb_setup(struct input_dev *input) -{ - struct hidinput_key_translation *trans; - - set_bit(KEY_NUMLOCK, input->keybit); - - /* Enable all needed keys */ - for (trans = powerbook_fn_keys; trans->from; trans++) - set_bit(trans->to, input->keybit); - - for (trans = powerbook_numlock_keys; trans->from; trans++) - set_bit(trans->to, input->keybit); - - for (trans = powerbook_iso_keyboard; trans->from; trans++) - set_bit(trans->to, input->keybit); -} -#else -static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input, - struct hid_usage *usage, __s32 value) -{ - return 0; -} - -static inline void hidinput_pb_setup(struct input_dev *input) -{ -} -#endif - -static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, - struct hid_usage *usage) -{ - struct input_dev *input = hidinput->input; - struct hid_device *device = input->private; - int max = 0, code; - unsigned long *bit = NULL; - - field->hidinput = hidinput; - -#ifdef DEBUG - printk(KERN_DEBUG "Mapping: "); - resolv_usage(usage->hid); - printk(" ---> "); -#endif - - if (field->flags & HID_MAIN_ITEM_CONSTANT) - goto ignore; - - switch (usage->hid & HID_USAGE_PAGE) { - - case HID_UP_UNDEFINED: - goto ignore; - - case HID_UP_KEYBOARD: - - set_bit(EV_REP, input->evbit); - - if ((usage->hid & HID_USAGE) < 256) { - if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; - map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); - } else - map_key(KEY_UNKNOWN); - - break; - - case HID_UP_BUTTON: - - code = ((usage->hid - 1) & 0xf); - - switch (field->application) { - case HID_GD_MOUSE: - case HID_GD_POINTER: code += 0x110; break; - case HID_GD_JOYSTICK: code += 0x120; break; - case HID_GD_GAMEPAD: code += 0x130; break; - default: - switch (field->physical) { - case HID_GD_MOUSE: - case HID_GD_POINTER: code += 0x110; break; - case HID_GD_JOYSTICK: code += 0x120; break; - case HID_GD_GAMEPAD: code += 0x130; break; - default: code += 0x100; - } - } - - map_key(code); - break; - - - case HID_UP_SIMULATION: - - switch (usage->hid & 0xffff) { - case 0xba: map_abs(ABS_RUDDER); break; - case 0xbb: map_abs(ABS_THROTTLE); break; - case 0xc4: map_abs(ABS_GAS); break; - case 0xc5: map_abs(ABS_BRAKE); break; - case 0xc8: map_abs(ABS_WHEEL); break; - default: goto ignore; - } - break; - - case HID_UP_GENDESK: - - if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ - switch (usage->hid & 0xf) { - case 0x1: map_key_clear(KEY_POWER); break; - case 0x2: map_key_clear(KEY_SLEEP); break; - case 0x3: map_key_clear(KEY_WAKEUP); break; - default: goto unknown; - } - break; - } - - if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ - switch (usage->hid) { - case HID_GD_UP: usage->hat_dir = 1; break; - case HID_GD_DOWN: usage->hat_dir = 5; break; - case HID_GD_RIGHT: usage->hat_dir = 3; break; - case HID_GD_LEFT: usage->hat_dir = 7; break; - default: goto unknown; - } - if (field->dpad) { - map_abs(field->dpad); - goto ignore; - } - map_abs(ABS_HAT0X); - break; - } - - switch (usage->hid) { - - /* These usage IDs map directly to the usage codes. */ - case HID_GD_X: case HID_GD_Y: case HID_GD_Z: - case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: - case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: - if (field->flags & HID_MAIN_ITEM_RELATIVE) - map_rel(usage->hid & 0xf); - else - map_abs(usage->hid & 0xf); - break; - - case HID_GD_HATSWITCH: - usage->hat_min = field->logical_minimum; - usage->hat_max = field->logical_maximum; - map_abs(ABS_HAT0X); - break; - - case HID_GD_START: map_key_clear(BTN_START); break; - case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; - - default: goto unknown; - } - - break; - - case HID_UP_LED: - if (((usage->hid - 1) & 0xffff) >= LED_MAX) - goto ignore; - map_led((usage->hid - 1) & 0xffff); - break; - - case HID_UP_DIGITIZER: - - switch (usage->hid & 0xff) { - - case 0x30: /* TipPressure */ - if (!test_bit(BTN_TOUCH, input->keybit)) { - device->quirks |= HID_QUIRK_NOTOUCH; - set_bit(EV_KEY, input->evbit); - set_bit(BTN_TOUCH, input->keybit); - } - - map_abs_clear(ABS_PRESSURE); - break; - - case 0x32: /* InRange */ - switch (field->physical & 0xff) { - case 0x21: map_key(BTN_TOOL_MOUSE); break; - case 0x22: map_key(BTN_TOOL_FINGER); break; - default: map_key(BTN_TOOL_PEN); break; - } - break; - - case 0x3c: /* Invert */ - map_key_clear(BTN_TOOL_RUBBER); - break; - - case 0x33: /* Touch */ - case 0x42: /* TipSwitch */ - case 0x43: /* TipSwitch2 */ - device->quirks &= ~HID_QUIRK_NOTOUCH; - map_key_clear(BTN_TOUCH); - break; - - case 0x44: /* BarrelSwitch */ - map_key_clear(BTN_STYLUS); - break; - - default: goto unknown; - } - break; - - case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ - - switch (usage->hid & HID_USAGE) { - case 0x000: goto ignore; - case 0x034: map_key_clear(KEY_SLEEP); break; - case 0x036: map_key_clear(BTN_MISC); break; - case 0x045: map_key_clear(KEY_RADIO); break; - case 0x08a: map_key_clear(KEY_WWW); break; - case 0x08d: map_key_clear(KEY_PROGRAM); break; - case 0x095: map_key_clear(KEY_HELP); break; - case 0x09c: map_key_clear(KEY_CHANNELUP); break; - case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; - case 0x0b0: map_key_clear(KEY_PLAY); break; - case 0x0b1: map_key_clear(KEY_PAUSE); break; - case 0x0b2: map_key_clear(KEY_RECORD); break; - case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; - case 0x0b4: map_key_clear(KEY_REWIND); break; - case 0x0b5: map_key_clear(KEY_NEXTSONG); break; - case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; - case 0x0b7: map_key_clear(KEY_STOPCD); break; - case 0x0b8: map_key_clear(KEY_EJECTCD); break; - case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; - case 0x0e0: map_abs_clear(ABS_VOLUME); break; - case 0x0e2: map_key_clear(KEY_MUTE); break; - case 0x0e5: map_key_clear(KEY_BASSBOOST); break; - case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; - case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; - case 0x183: map_key_clear(KEY_CONFIG); break; - case 0x18a: map_key_clear(KEY_MAIL); break; - case 0x192: map_key_clear(KEY_CALC); break; - case 0x194: map_key_clear(KEY_FILE); break; - case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; - case 0x201: map_key_clear(KEY_NEW); break; - case 0x207: map_key_clear(KEY_SAVE); break; - case 0x208: map_key_clear(KEY_PRINT); break; - case 0x209: map_key_clear(KEY_PROPS); break; - case 0x21a: map_key_clear(KEY_UNDO); break; - case 0x21b: map_key_clear(KEY_COPY); break; - case 0x21c: map_key_clear(KEY_CUT); break; - case 0x21d: map_key_clear(KEY_PASTE); break; - case 0x221: map_key_clear(KEY_FIND); break; - case 0x223: map_key_clear(KEY_HOMEPAGE); break; - case 0x224: map_key_clear(KEY_BACK); break; - case 0x225: map_key_clear(KEY_FORWARD); break; - case 0x226: map_key_clear(KEY_STOP); break; - case 0x227: map_key_clear(KEY_REFRESH); break; - case 0x22a: map_key_clear(KEY_BOOKMARKS); break; - case 0x233: map_key_clear(KEY_SCROLLUP); break; - case 0x234: map_key_clear(KEY_SCROLLDOWN); break; - case 0x238: map_rel(REL_HWHEEL); break; - case 0x279: map_key_clear(KEY_REDO); break; - case 0x289: map_key_clear(KEY_REPLY); break; - case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; - case 0x28c: map_key_clear(KEY_SEND); break; - - /* Reported on a Cherry Cymotion keyboard */ - case 0x301: map_key_clear(KEY_PROG1); break; - case 0x302: map_key_clear(KEY_PROG2); break; - case 0x303: map_key_clear(KEY_PROG3); break; - - default: goto ignore; - } - break; - - case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ - - set_bit(EV_REP, input->evbit); - switch (usage->hid & HID_USAGE) { - case 0x021: map_key_clear(KEY_PRINT); break; - case 0x070: map_key_clear(KEY_HP); break; - case 0x071: map_key_clear(KEY_CAMERA); break; - case 0x072: map_key_clear(KEY_SOUND); break; - case 0x073: map_key_clear(KEY_QUESTION); break; - case 0x080: map_key_clear(KEY_EMAIL); break; - case 0x081: map_key_clear(KEY_CHAT); break; - case 0x082: map_key_clear(KEY_SEARCH); break; - case 0x083: map_key_clear(KEY_CONNECT); break; - case 0x084: map_key_clear(KEY_FINANCE); break; - case 0x085: map_key_clear(KEY_SPORT); break; - case 0x086: map_key_clear(KEY_SHOP); break; - default: goto ignore; - } - break; - - case HID_UP_MSVENDOR: - goto ignore; - - case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */ - - set_bit(EV_REP, input->evbit); - switch(usage->hid & HID_USAGE) { - case 0x003: - /* The fn key on Apple PowerBooks */ - map_key_clear(KEY_FN); - hidinput_pb_setup(input); - break; - - default: goto ignore; - } - break; - - case HID_UP_LOGIVENDOR: /* Reported on Logitech Ultra X Media Remote */ - - set_bit(EV_REP, input->evbit); - switch(usage->hid & HID_USAGE) { - case 0x004: map_key_clear(KEY_AGAIN); break; - case 0x00d: map_key_clear(KEY_HOME); break; - case 0x024: map_key_clear(KEY_SHUFFLE); break; - case 0x025: map_key_clear(KEY_TV); break; - case 0x026: map_key_clear(KEY_MENU); break; - case 0x031: map_key_clear(KEY_AUDIO); break; - case 0x032: map_key_clear(KEY_TEXT); break; - case 0x033: map_key_clear(KEY_LAST); break; - case 0x047: map_key_clear(KEY_MP3); break; - case 0x048: map_key_clear(KEY_DVD); break; - case 0x049: map_key_clear(KEY_MEDIA); break; - case 0x04a: map_key_clear(KEY_VIDEO); break; - case 0x04b: map_key_clear(KEY_ANGLE); break; - case 0x04c: map_key_clear(KEY_LANGUAGE); break; - case 0x04d: map_key_clear(KEY_SUBTITLE); break; - case 0x051: map_key_clear(KEY_RED); break; - case 0x052: map_key_clear(KEY_CLOSE); break; - default: goto ignore; - } - break; - - case HID_UP_PID: - - switch(usage->hid & HID_USAGE) { - case 0xa4: map_key_clear(BTN_DEAD); break; - default: goto ignore; - } - break; - - default: - unknown: - if (field->report_size == 1) { - if (field->report->type == HID_OUTPUT_REPORT) { - map_led(LED_MISC); - break; - } - map_key(BTN_MISC); - break; - } - if (field->flags & HID_MAIN_ITEM_RELATIVE) { - map_rel(REL_MISC); - break; - } - map_abs(ABS_MISC); - break; - } - - if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { - if (usage->hid == HID_GD_Z) - map_rel(REL_HWHEEL); - else if (usage->code == BTN_1) - map_key(BTN_2); - else if (usage->code == BTN_2) - map_key(BTN_1); - } - - if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) && - (usage->type == EV_REL) && (usage->code == REL_WHEEL)) - set_bit(REL_HWHEEL, bit); - - if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) - || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) - goto ignore; - - if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && - usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) - field->flags &= ~HID_MAIN_ITEM_RELATIVE; - - set_bit(usage->type, input->evbit); - - while (usage->code <= max && test_and_set_bit(usage->code, bit)) - usage->code = find_next_zero_bit(bit, max + 1, usage->code); - - if (usage->code > max) - goto ignore; - - - if (usage->type == EV_ABS) { - - int a = field->logical_minimum; - int b = field->logical_maximum; - - if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { - a = field->logical_minimum = 0; - b = field->logical_maximum = 255; - } - - if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) - input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); - else input_set_abs_params(input, usage->code, a, b, 0, 0); - - } - - if (usage->type == EV_ABS && - (usage->hat_min < usage->hat_max || usage->hat_dir)) { - int i; - for (i = usage->code; i < usage->code + 2 && i <= max; i++) { - input_set_abs_params(input, i, -1, 1, 0, 0); - set_bit(i, input->absbit); - } - if (usage->hat_dir && !field->dpad) - field->dpad = usage->code; - } - -#ifdef DEBUG - resolv_event(usage->type, usage->code); - printk("\n"); -#endif - return; - -ignore: -#ifdef DEBUG - printk("IGNORED\n"); -#endif - return; -} - -void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) -{ - struct input_dev *input; - int *quirks = &hid->quirks; - - if (!field->hidinput) - return; - - input = field->hidinput->input; - - if (!usage->type) - return; - - if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) - || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) { - if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON; - else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON; - return; - } - - if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) { - input_event(input, usage->type, usage->code, -value); - return; - } - - if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) { - input_event(input, usage->type, REL_HWHEEL, value); - return; - } - - if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value)) - return; - - if (usage->hat_min < usage->hat_max || usage->hat_dir) { - int hat_dir = usage->hat_dir; - if (!hat_dir) - hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; - if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; - input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); - input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); - return; - } - - if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ - *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); - return; - } - - if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ - if (value) { - input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); - return; - } - input_event(input, usage->type, usage->code, 0); - input_event(input, usage->type, BTN_TOOL_RUBBER, 0); - return; - } - - if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ - int a = field->logical_minimum; - int b = field->logical_maximum; - input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); - } - - if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ - dbg("Maximum Effects - %d",value); - return; - } - - if (usage->hid == (HID_UP_PID | 0x7fUL)) { - dbg("PID Pool Report\n"); - return; - } - - if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ - return; - - input_event(input, usage->type, usage->code, value); - - if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) - input_event(input, usage->type, usage->code, 0); -} - -void hidinput_report_event(struct hid_device *hid, struct hid_report *report) -{ - struct hid_input *hidinput; - - list_for_each_entry(hidinput, &hid->inputs, list) - input_sync(hidinput->input); -} - -static int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) -{ - struct hid_report *report; - int i, j; - - list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { - for (i = 0; i < report->maxfield; i++) { - *field = report->field[i]; - for (j = 0; j < (*field)->maxusage; j++) - if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) - return j; - } - } - return -1; -} - -static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) -{ - struct hid_device *hid = dev->private; - struct hid_field *field; - int offset; - - if (type == EV_FF) - return input_ff_event(dev, type, code, value); - - if (type != EV_LED) - return -1; - - if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { - warn("event field not found"); - return -1; - } - - hid_set_field(field, offset, value); - hid_submit_report(hid, field->report, USB_DIR_OUT); - - return 0; -} - -static int hidinput_open(struct input_dev *dev) -{ - struct hid_device *hid = dev->private; - return hid_open(hid); -} - -static void hidinput_close(struct input_dev *dev) -{ - struct hid_device *hid = dev->private; - hid_close(hid); -} - -/* - * Register the input device; print a message. - * Configure the input layer interface - * Read all reports and initialize the absolute field values. - */ - -int hidinput_connect(struct hid_device *hid) -{ - struct usb_device *dev = hid->dev; - struct hid_report *report; - struct hid_input *hidinput = NULL; - struct input_dev *input_dev; - int i, j, k; - - INIT_LIST_HEAD(&hid->inputs); - - for (i = 0; i < hid->maxcollection; i++) - if (hid->collection[i].type == HID_COLLECTION_APPLICATION || - hid->collection[i].type == HID_COLLECTION_PHYSICAL) - if (IS_INPUT_APPLICATION(hid->collection[i].usage)) - break; - - if (i == hid->maxcollection) - return -1; - - for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) - list_for_each_entry(report, &hid->report_enum[k].report_list, list) { - - if (!report->maxfield) - continue; - - if (!hidinput) { - hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!hidinput || !input_dev) { - kfree(hidinput); - input_free_device(input_dev); - err("Out of memory during hid input probe"); - return -1; - } - - input_dev->private = hid; - input_dev->event = hidinput_input_event; - input_dev->open = hidinput_open; - input_dev->close = hidinput_close; - - input_dev->name = hid->name; - input_dev->phys = hid->phys; - input_dev->uniq = hid->uniq; - usb_to_input_id(dev, &input_dev->id); - input_dev->cdev.dev = &hid->intf->dev; - - hidinput->input = input_dev; - list_add_tail(&hidinput->list, &hid->inputs); - } - - for (i = 0; i < report->maxfield; i++) - for (j = 0; j < report->field[i]->maxusage; j++) - hidinput_configure_usage(hidinput, report->field[i], - report->field[i]->usage + j); - - if (hid->quirks & HID_QUIRK_MULTI_INPUT) { - /* This will leave hidinput NULL, so that it - * allocates another one if we have more inputs on - * the same interface. Some devices (e.g. Happ's - * UGCI) cram a lot of unrelated inputs into the - * same interface. */ - hidinput->report = report; - input_register_device(hidinput->input); - hidinput = NULL; - } - } - - /* This only gets called when we are a single-input (most of the - * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is - * only useful in this case, and not for multi-input quirks. */ - if (hidinput) { - hid_ff_init(hid); - input_register_device(hidinput->input); - } - - return 0; -} - -void hidinput_disconnect(struct hid_device *hid) -{ - struct hid_input *hidinput, *next; - list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { - list_del(&hidinput->list); - input_unregister_device(hidinput->input); - kfree(hidinput); - } -} diff --git a/drivers/usb/input/hid-lgff.c b/drivers/usb/input/hid-lgff.c index 93da222b6da..e977ba3d17e 100644 --- a/drivers/usb/input/hid-lgff.c +++ b/drivers/usb/input/hid-lgff.c @@ -29,7 +29,7 @@ #include <linux/input.h> #include <linux/usb.h> -#include "hid.h" +#include <linux/hid.h> struct device_type { u16 idVendor; diff --git a/drivers/usb/input/hid-pidff.c b/drivers/usb/input/hid-pidff.c index 5420c13eb8e..b4caea3864e 100644 --- a/drivers/usb/input/hid-pidff.c +++ b/drivers/usb/input/hid-pidff.c @@ -28,7 +28,9 @@ #include <linux/input.h> #include <linux/usb.h> -#include "hid.h" +#include <linux/hid.h> + +#include "usbhid.h" #define PID_EFFECTS_MAX 64 diff --git a/drivers/usb/input/hid-tmff.c b/drivers/usb/input/hid-tmff.c index 2d5be4c318a..1cd1418ad6a 100644 --- a/drivers/usb/input/hid-tmff.c +++ b/drivers/usb/input/hid-tmff.c @@ -32,7 +32,7 @@ #undef DEBUG #include <linux/usb.h> -#include "hid.h" +#include <linux/hid.h> /* Usages for thrustmaster devices I know about */ #define THRUSTMASTER_USAGE_RUMBLE_LR (HID_UP_GENDESK | 0xbb) diff --git a/drivers/usb/input/hid-zpff.c b/drivers/usb/input/hid-zpff.c index d2ce3214572..af1bfae39dc 100644 --- a/drivers/usb/input/hid-zpff.c +++ b/drivers/usb/input/hid-zpff.c @@ -27,7 +27,7 @@ #include <linux/input.h> #include <linux/usb.h> -#include "hid.h" +#include <linux/hid.h> struct zpff_device { struct hid_report *report; diff --git a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c index 7dc14d0cacc..cbd3b60d93b 100644 --- a/drivers/usb/input/hiddev.c +++ b/drivers/usb/input/hiddev.c @@ -32,8 +32,9 @@ #include <linux/smp_lock.h> #include <linux/input.h> #include <linux/usb.h> -#include "hid.h" +#include <linux/hid.h> #include <linux/hiddev.h> +#include "usbhid.h" #ifdef CONFIG_USB_DYNAMIC_MINORS #define HIDDEV_MINOR_BASE 0 diff --git a/drivers/usb/input/hid-debug.h b/include/linux/hid-debug.h index f04d6d75c09..f04d6d75c09 100644 --- a/drivers/usb/input/hid-debug.h +++ b/include/linux/hid-debug.h diff --git a/drivers/usb/input/hid.h b/include/linux/hid.h index 76ad68d9edf..ee567ae6fec 100644 --- a/drivers/usb/input/hid.h +++ b/include/linux/hid.h @@ -6,6 +6,7 @@ * * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2001 Vojtech Pavlik + * Copyright (c) 2006 Jiri Kosina */ /* @@ -33,6 +34,7 @@ #include <linux/list.h> #include <linux/timer.h> #include <linux/workqueue.h> +#include <linux/input.h> /* * USB HID (Human Interface Device) interface class code @@ -260,7 +262,7 @@ struct hid_item { #define HID_QUIRK_POWERBOOK_HAS_FN 0x00001000 #define HID_QUIRK_POWERBOOK_FN_ON 0x00002000 #define HID_QUIRK_INVERT_HWHEEL 0x00004000 -#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD 0x00008000 +#define HID_QUIRK_POWERBOOK_ISO_KEYBOARD 0x00008000 #define HID_QUIRK_BAD_RELATIVE_KEYS 0x00010000 /* @@ -496,9 +498,7 @@ struct hid_descriptor { #define resolv_event(a,b) do { } while (0) #endif -#endif - -#ifdef CONFIG_USB_HIDINPUT +#ifdef CONFIG_HID /* 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)) @@ -514,13 +514,12 @@ static inline int hidinput_connect(struct hid_device *hid) { return -ENODEV; } static inline void hidinput_disconnect(struct hid_device *hid) { } #endif -int hid_open(struct hid_device *); -void hid_close(struct hid_device *); int hid_set_field(struct hid_field *, unsigned, __s32); -void hid_submit_report(struct hid_device *, struct hid_report *, unsigned char dir); -void hid_init_reports(struct hid_device *hid); -int hid_wait_io(struct hid_device* hid); - +int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); +void hid_input_field(struct hid_device *hid, struct hid_field *field, __u8 *data, int interrupt); +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); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); @@ -537,4 +536,5 @@ static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; } #else static inline int hid_ff_init(struct hid_device *hid) { return -1; } #endif +#endif |