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wine-wine/dlls/hid/hidp.c

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/*
* Human Input Devices
*
* Copyright (C) 2015 Aric Stewart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winioctl.h"
#include "ddk/wdm.h"
#include "hidusage.h"
#include "ddk/hidpi.h"
#include "wine/hid.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(hidp);
static NTSTATUS get_report_data(BYTE *report, INT reportLength, INT startBit, INT valueSize, PULONG value)
{
if ((startBit + valueSize) / 8 > reportLength)
return HIDP_STATUS_INVALID_REPORT_LENGTH;
if (valueSize == 1)
{
ULONG byte_index = startBit / 8;
ULONG bit_index = startBit - (byte_index * 8);
INT mask = (1 << bit_index);
*value = !!(report[byte_index] & mask);
}
else
{
ULONG remaining_bits = valueSize;
ULONG byte_index = startBit / 8;
ULONG bit_index = startBit % 8;
ULONG data = 0;
ULONG shift = 0;
while (remaining_bits)
{
ULONG copy_bits = 8 - bit_index;
if (remaining_bits < copy_bits)
copy_bits = remaining_bits;
data |= ((report[byte_index] >> bit_index) & ((1 << copy_bits) - 1)) << shift;
shift += copy_bits;
bit_index = 0;
byte_index++;
remaining_bits -= copy_bits;
}
*value = data;
}
return HIDP_STATUS_SUCCESS;
}
static NTSTATUS set_report_data(BYTE *report, INT reportLength, INT startBit, INT valueSize, ULONG value)
{
if ((startBit + valueSize) / 8 > reportLength)
return HIDP_STATUS_INVALID_REPORT_LENGTH;
if (valueSize == 1)
{
ULONG byte_index = startBit / 8;
ULONG bit_index = startBit - (byte_index * 8);
if (value)
report[byte_index] |= (1 << bit_index);
else
report[byte_index] &= ~(1 << bit_index);
}
else
{
ULONG byte_index = (startBit + valueSize - 1) / 8;
ULONG data = value;
ULONG remainingBits = valueSize;
while (remainingBits)
{
BYTE subvalue = data & 0xff;
data >>= 8;
if (remainingBits >= 8)
{
report[byte_index] = subvalue;
byte_index --;
remainingBits -= 8;
}
else if (remainingBits > 0)
{
BYTE mask = (0xff << (8-remainingBits)) & subvalue;
report[byte_index] |= mask;
remainingBits = 0;
}
}
}
return HIDP_STATUS_SUCCESS;
}
static NTSTATUS get_report_data_array(BYTE *report, UINT reportLength, UINT startBit, UINT elemSize,
UINT numElements, PCHAR values, UINT valuesSize)
{
BYTE byte, *end, *p = report + startBit / 8;
ULONG size = elemSize * numElements;
ULONG m, bit_index = startBit % 8;
BYTE *data = (BYTE*)values;
if ((startBit + size) / 8 > reportLength)
return HIDP_STATUS_INVALID_REPORT_LENGTH;
if (valuesSize < (size + 7) / 8)
return HIDP_STATUS_BUFFER_TOO_SMALL;
end = report + (startBit + size + 7) / 8;
data--;
byte = *p++;
while (p != end)
{
*(++data) = byte >> bit_index;
byte = *p++;
*data |= byte << (8 - bit_index);
}
/* Handle the end and mask out bits beyond */
m = (startBit + size) % 8;
m = m ? m : 8;
if (m > bit_index)
*(++data) = (byte >> bit_index) & ((1 << (m - bit_index)) - 1);
else
*data &= (1 << (m + 8 - bit_index)) - 1;
if (++data < (BYTE*)values + valuesSize)
memset(data, 0, (BYTE*)values + valuesSize - data);
return HIDP_STATUS_SUCCESS;
}
NTSTATUS WINAPI HidP_GetButtonCaps(HIDP_REPORT_TYPE ReportType, PHIDP_BUTTON_CAPS ButtonCaps,
PUSHORT ButtonCapsLength, PHIDP_PREPARSED_DATA PreparsedData)
{
PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
USHORT b_count = 0, r_count = 0;
int i,j,u;
TRACE("(%i, %p, %p, %p)\n",ReportType, ButtonCaps, ButtonCapsLength, PreparsedData);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
switch(ReportType)
{
case HidP_Input:
b_count = data->caps.NumberInputButtonCaps;
report = HID_INPUT_REPORTS(data);
break;
case HidP_Output:
b_count = data->caps.NumberOutputButtonCaps;
report = HID_OUTPUT_REPORTS(data);
break;
case HidP_Feature:
b_count = data->caps.NumberFeatureButtonCaps;
report = HID_FEATURE_REPORTS(data);
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
if (!r_count || !b_count)
{
*ButtonCapsLength = 0;
return HIDP_STATUS_SUCCESS;
}
b_count = min(b_count, *ButtonCapsLength);
u = 0;
for (j = 0; j < r_count && u < b_count; j++)
{
for (i = 0; i < report[j].elementCount && u < b_count; i++)
{
if (elems[report[j].elementIdx + i].ElementType == ButtonElement)
ButtonCaps[u++] = elems[report[j].elementIdx + i].caps.button;
}
}
*ButtonCapsLength = b_count;
return HIDP_STATUS_SUCCESS;
}
NTSTATUS WINAPI HidP_GetCaps(PHIDP_PREPARSED_DATA PreparsedData,
PHIDP_CAPS Capabilities)
{
PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
TRACE("(%p, %p)\n",PreparsedData, Capabilities);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
*Capabilities = data->caps;
return HIDP_STATUS_SUCCESS;
}
static NTSTATUS find_usage(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
USAGE Usage, PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report,
WINE_ELEMENT_TYPE ElementType, WINE_HID_ELEMENT *element)
{
PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
USHORT v_count = 0, r_count = 0;
int i;
TRACE("(%i, %x, %i, %i, %p, %p)\n", ReportType, UsagePage, LinkCollection, Usage,
PreparsedData, Report);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
switch(ReportType)
{
case HidP_Input:
v_count = data->caps.NumberInputValueCaps;
break;
case HidP_Output:
v_count = data->caps.NumberOutputValueCaps;
break;
case HidP_Feature:
v_count = data->caps.NumberFeatureValueCaps;
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
report = &data->reports[data->reportIdx[ReportType][(BYTE)Report[0]]];
if (!r_count || !v_count)
return HIDP_STATUS_USAGE_NOT_FOUND;
if (report->reportID && report->reportID != Report[0])
return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
for (i = 0; i < report->elementCount; i++)
{
HIDP_VALUE_CAPS *value = &elems[report->elementIdx + i].caps.value;
if (elems[report->elementIdx + i].ElementType != ElementType ||
value->UsagePage != UsagePage)
continue;
if (value->IsRange && value->u.Range.UsageMin <= Usage && Usage <= value->u.Range.UsageMax)
{
*element = elems[report->elementIdx + i];
element->valueStartBit += value->BitSize * (Usage - value->u.Range.UsageMin);
element->bitCount = elems[report->elementIdx + i].ElementType == ValueElement ? value->BitSize: 1;
return HIDP_STATUS_SUCCESS;
}
else if (value->u.NotRange.Usage == Usage)
{
*element = elems[report->elementIdx + i];
element->bitCount = elems[report->elementIdx + i].ElementType == ValueElement ? value->BitSize : 1;
return HIDP_STATUS_SUCCESS;
}
}
return HIDP_STATUS_USAGE_NOT_FOUND;
}
static LONG sign_extend(ULONG value, const WINE_HID_ELEMENT *element)
{
UINT bit_count = element->bitCount;
if ((value & (1 << (bit_count - 1)))
&& element->ElementType == ValueElement
&& element->caps.value.LogicalMin < 0)
{
value -= (1 << bit_count);
}
return value;
}
static LONG logical_to_physical(LONG value, const WINE_HID_ELEMENT *element)
{
if (element->caps.value.PhysicalMin || element->caps.value.PhysicalMax)
{
value = (((ULONGLONG)(value - element->caps.value.LogicalMin)
* (element->caps.value.PhysicalMax - element->caps.value.PhysicalMin))
/ (element->caps.value.LogicalMax - element->caps.value.LogicalMin))
+ element->caps.value.PhysicalMin;
}
return value;
}
NTSTATUS WINAPI HidP_GetScaledUsageValue(HIDP_REPORT_TYPE ReportType, USAGE UsagePage,
USHORT LinkCollection, USAGE Usage, PLONG UsageValue,
PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report, ULONG ReportLength)
{
NTSTATUS rc;
WINE_HID_ELEMENT element;
TRACE("(%i, %x, %i, %i, %p, %p, %p, %i)\n", ReportType, UsagePage, LinkCollection, Usage, UsageValue,
PreparsedData, Report, ReportLength);
rc = find_usage(ReportType, UsagePage, LinkCollection, Usage, PreparsedData, Report, ValueElement, &element);
if (rc == HIDP_STATUS_SUCCESS)
{
ULONG rawValue;
rc = get_report_data((BYTE*)Report, ReportLength,
element.valueStartBit, element.bitCount, &rawValue);
if (rc != HIDP_STATUS_SUCCESS)
return rc;
*UsageValue = logical_to_physical(sign_extend(rawValue, &element), &element);
}
return rc;
}
NTSTATUS WINAPI HidP_GetUsageValue(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
USAGE Usage, PULONG UsageValue, PHIDP_PREPARSED_DATA PreparsedData,
PCHAR Report, ULONG ReportLength)
{
WINE_HID_ELEMENT element;
NTSTATUS rc;
TRACE("(%i, %x, %i, %i, %p, %p, %p, %i)\n", ReportType, UsagePage, LinkCollection, Usage, UsageValue,
PreparsedData, Report, ReportLength);
rc = find_usage(ReportType, UsagePage, LinkCollection, Usage, PreparsedData, Report, ValueElement, &element);
if (rc == HIDP_STATUS_SUCCESS)
{
return get_report_data((BYTE*)Report, ReportLength,
element.valueStartBit, element.bitCount, UsageValue);
}
return rc;
}
NTSTATUS WINAPI HidP_GetUsageValueArray(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
USAGE Usage, PCHAR UsageValue, USHORT UsageValueByteLength,
PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report, ULONG ReportLength)
{
WINE_HID_ELEMENT element;
NTSTATUS rc;
TRACE("(%i, %x, %i, %i, %p, %u, %p, %p, %i)\n", ReportType, UsagePage, LinkCollection, Usage, UsageValue,
UsageValueByteLength, PreparsedData, Report, ReportLength);
rc = find_usage(ReportType, UsagePage, LinkCollection, Usage, PreparsedData, Report, ValueElement, &element);
if (rc == HIDP_STATUS_SUCCESS)
{
if (element.caps.value.IsRange || element.caps.value.ReportCount <= 1 || !element.bitCount)
return HIDP_STATUS_NOT_VALUE_ARRAY;
return get_report_data_array((BYTE*)Report, ReportLength, element.valueStartBit, element.bitCount,
element.caps.value.ReportCount, UsageValue, UsageValueByteLength);
}
return rc;
}
NTSTATUS WINAPI HidP_GetUsages(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
PUSAGE UsageList, PULONG UsageLength, PHIDP_PREPARSED_DATA PreparsedData,
PCHAR Report, ULONG ReportLength)
{
PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
BOOL found = FALSE;
USHORT b_count = 0, r_count = 0;
int i,uCount;
TRACE("(%i, %x, %i, %p, %p, %p, %p, %i)\n", ReportType, UsagePage, LinkCollection, UsageList,
UsageLength, PreparsedData, Report, ReportLength);
if (data->magic != HID_MAGIC)
{
*UsageLength = 0;
return HIDP_STATUS_INVALID_PREPARSED_DATA;
}
switch(ReportType)
{
case HidP_Input:
b_count = data->caps.NumberInputButtonCaps;
break;
case HidP_Output:
b_count = data->caps.NumberOutputButtonCaps;
break;
case HidP_Feature:
b_count = data->caps.NumberFeatureButtonCaps;
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
report = &data->reports[data->reportIdx[ReportType][(BYTE)Report[0]]];
if (!r_count || !b_count)
return HIDP_STATUS_USAGE_NOT_FOUND;
if (report->reportID && report->reportID != Report[0])
return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
uCount = 0;
for (i = 0; i < report->elementCount && uCount < *UsageLength; i++)
{
if (elems[report->elementIdx + i].ElementType == ButtonElement &&
elems[report->elementIdx + i].caps.button.UsagePage == UsagePage)
{
int k;
WINE_HID_ELEMENT *element = &elems[report->elementIdx + i];
for (k=0; k < element->bitCount; k++)
{
UINT v = 0;
NTSTATUS rc = get_report_data((BYTE*)Report, ReportLength,
element->valueStartBit + k, 1, &v);
if (rc != HIDP_STATUS_SUCCESS)
return rc;
found = TRUE;
if (v)
{
if (uCount == *UsageLength)
return HIDP_STATUS_BUFFER_TOO_SMALL;
UsageList[uCount] = element->caps.button.u.Range.UsageMin + k;
uCount++;
}
}
}
}
*UsageLength = uCount;
if (!found)
return HIDP_STATUS_USAGE_NOT_FOUND;
return HIDP_STATUS_SUCCESS;
}
NTSTATUS WINAPI HidP_GetValueCaps(HIDP_REPORT_TYPE ReportType, PHIDP_VALUE_CAPS ValueCaps,
PUSHORT ValueCapsLength, PHIDP_PREPARSED_DATA PreparsedData)
{
PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
USHORT v_count = 0, r_count = 0;
int i,j,u;
TRACE("(%i, %p, %p, %p)\n", ReportType, ValueCaps, ValueCapsLength, PreparsedData);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
switch(ReportType)
{
case HidP_Input:
v_count = data->caps.NumberInputValueCaps;
report = HID_INPUT_REPORTS(data);
break;
case HidP_Output:
v_count = data->caps.NumberOutputValueCaps;
report = HID_OUTPUT_REPORTS(data);
break;
case HidP_Feature:
v_count = data->caps.NumberFeatureValueCaps;
report = HID_FEATURE_REPORTS(data);
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
if (!r_count || !v_count)
{
*ValueCapsLength = 0;
return HIDP_STATUS_SUCCESS;
}
v_count = min(v_count, *ValueCapsLength);
u = 0;
for (j = 0; j < r_count && u < v_count; j++)
{
for (i = 0; i < report[j].elementCount && u < v_count; i++)
{
if (elems[report[j].elementIdx + i].ElementType == ValueElement)
ValueCaps[u++] = elems[report[j].elementIdx + i].caps.value;
}
}
*ValueCapsLength = v_count;
return HIDP_STATUS_SUCCESS;
}
NTSTATUS WINAPI HidP_InitializeReportForID(HIDP_REPORT_TYPE ReportType, UCHAR ReportID,
PHIDP_PREPARSED_DATA PreparsedData, PCHAR Report,
ULONG ReportLength)
{
int size;
PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
WINE_HID_REPORT *report = NULL;
int r_count;
TRACE("(%i, %i, %p, %p, %i)\n",ReportType, ReportID, PreparsedData, Report, ReportLength);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
switch(ReportType)
{
case HidP_Input:
size = data->caps.InputReportByteLength;
break;
case HidP_Output:
size = data->caps.OutputReportByteLength;
break;
case HidP_Feature:
size = data->caps.FeatureReportByteLength;
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
report = &data->reports[data->reportIdx[ReportType][(BYTE)Report[0]]];
if (!r_count || !size)
return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
if (size != ReportLength)
return HIDP_STATUS_INVALID_REPORT_LENGTH;
if (report->reportID && report->reportID != Report[0])
return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
ZeroMemory(Report, size);
Report[0] = ReportID;
return HIDP_STATUS_SUCCESS;
}
ULONG WINAPI HidP_MaxUsageListLength(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, PHIDP_PREPARSED_DATA PreparsedData)
{
PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
int r_count;
int i;
int count = 0;
TRACE("(%i, %x, %p)\n", ReportType, UsagePage, PreparsedData);
if (data->magic != HID_MAGIC)
return 0;
switch(ReportType)
{
case HidP_Input:
report = HID_INPUT_REPORTS(data);
break;
case HidP_Output:
report = HID_OUTPUT_REPORTS(data);
break;
case HidP_Feature:
report = HID_FEATURE_REPORTS(data);
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
if (!r_count)
return 0;
for (i = 0; i < r_count; i++)
{
int j;
for (j = 0; j < report[i].elementCount; j++)
{
if (elems[report[i].elementIdx + j].ElementType == ButtonElement &&
(UsagePage == 0 || elems[report[i].elementIdx + j].caps.button.UsagePage == UsagePage))
{
if (elems[report[i].elementIdx + j].caps.button.IsRange)
count += (elems[report[i].elementIdx + j].caps.button.u.Range.UsageMax -
elems[report[i].elementIdx + j].caps.button.u.Range.UsageMin) + 1;
else
count++;
}
}
}
return count;
}
NTSTATUS WINAPI HidP_SetUsageValue(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
USAGE Usage, ULONG UsageValue, PHIDP_PREPARSED_DATA PreparsedData,
CHAR *Report, ULONG ReportLength)
{
WINE_HID_ELEMENT element;
NTSTATUS rc;
TRACE("(%i, %x, %i, %i, %i, %p, %p, %i)\n", ReportType, UsagePage, LinkCollection, Usage, UsageValue,
PreparsedData, Report, ReportLength);
rc = find_usage(ReportType, UsagePage, LinkCollection, Usage, PreparsedData, Report, ValueElement, &element);
if (rc == HIDP_STATUS_SUCCESS)
{
return set_report_data((BYTE*)Report, ReportLength,
element.valueStartBit, element.bitCount, UsageValue);
}
return rc;
}
NTSTATUS WINAPI HidP_SetUsages(HIDP_REPORT_TYPE ReportType, USAGE UsagePage, USHORT LinkCollection,
PUSAGE UsageList, PULONG UsageLength, PHIDP_PREPARSED_DATA PreparsedData,
PCHAR Report, ULONG ReportLength)
{
WINE_HID_ELEMENT element;
NTSTATUS rc;
ULONG i;
TRACE("(%i, %x, %i, %p, %p, %p, %p, %i)\n", ReportType, UsagePage, LinkCollection, UsageList,
UsageLength, PreparsedData, Report, ReportLength);
for (i = 0; i < *UsageLength; i++)
{
rc = find_usage(ReportType, UsagePage, LinkCollection,
UsageList[i], PreparsedData, Report, ButtonElement, &element);
if (rc == HIDP_STATUS_SUCCESS)
{
rc = set_report_data((BYTE*)Report, ReportLength,
element.valueStartBit, element.bitCount, -1);
}
if (rc != HIDP_STATUS_SUCCESS)
{
*UsageLength = i;
return rc;
}
}
return HIDP_STATUS_SUCCESS;
}
NTSTATUS WINAPI HidP_TranslateUsagesToI8042ScanCodes(USAGE *ChangedUsageList,
ULONG UsageListLength, HIDP_KEYBOARD_DIRECTION KeyAction,
HIDP_KEYBOARD_MODIFIER_STATE *ModifierState,
PHIDP_INSERT_SCANCODES InsertCodesProcedure, VOID *InsertCodesContext)
{
FIXME("stub: %p, %i, %i, %p, %p, %p\n", ChangedUsageList, UsageListLength,
KeyAction, ModifierState, InsertCodesProcedure, InsertCodesContext);
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS WINAPI HidP_GetSpecificButtonCaps(HIDP_REPORT_TYPE ReportType,
USAGE UsagePage, USHORT LinkCollection, USAGE Usage,
HIDP_BUTTON_CAPS *ButtonCaps, USHORT *ButtonCapsLength, PHIDP_PREPARSED_DATA PreparsedData)
{
WINE_HIDP_PREPARSED_DATA *data = (WINE_HIDP_PREPARSED_DATA*)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
USHORT b_count = 0, r_count = 0;
int i,j,u;
TRACE("(%i, 0x%x, %i, 0x%x, %p %p %p)\n", ReportType, UsagePage, LinkCollection,
Usage, ButtonCaps, ButtonCapsLength, PreparsedData);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
switch(ReportType)
{
case HidP_Input:
b_count = data->caps.NumberInputButtonCaps;
report = HID_INPUT_REPORTS(data);
break;
case HidP_Output:
b_count = data->caps.NumberOutputButtonCaps;
report = HID_OUTPUT_REPORTS(data);
break;
case HidP_Feature:
b_count = data->caps.NumberFeatureButtonCaps;
report = HID_FEATURE_REPORTS(data);
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
if (!r_count || !b_count)
{
*ButtonCapsLength = 0;
return HIDP_STATUS_SUCCESS;
}
b_count = min(b_count, *ButtonCapsLength);
u = 0;
for (j = 0; j < r_count && u < b_count; j++)
{
for (i = 0; i < report[j].elementCount && u < b_count; i++)
{
if (elems[report[j].elementIdx + i].ElementType == ButtonElement &&
(UsagePage == 0 || UsagePage == elems[report[j].elementIdx + i].caps.button.UsagePage) &&
(LinkCollection == 0 || LinkCollection == elems[report[j].elementIdx + i].caps.button.LinkCollection) &&
(Usage == 0 || (
(!elems[report[j].elementIdx + i].caps.button.IsRange &&
Usage == elems[report[j].elementIdx + i].caps.button.u.NotRange.Usage)) ||
(elems[report[j].elementIdx + i].caps.button.IsRange &&
Usage >= elems[report[j].elementIdx + i].caps.button.u.Range.UsageMin &&
Usage <= elems[report[j].elementIdx + i].caps.button.u.Range.UsageMax)))
{
ButtonCaps[u++] = elems[report[j].elementIdx + i].caps.button;
}
}
}
TRACE("Matched %i usages\n", u);
*ButtonCapsLength = u;
return HIDP_STATUS_SUCCESS;
}
NTSTATUS WINAPI HidP_GetSpecificValueCaps(HIDP_REPORT_TYPE ReportType,
USAGE UsagePage, USHORT LinkCollection, USAGE Usage,
HIDP_VALUE_CAPS *ValueCaps, USHORT *ValueCapsLength, PHIDP_PREPARSED_DATA PreparsedData)
{
WINE_HIDP_PREPARSED_DATA *data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
USHORT v_count = 0, r_count = 0;
int i,j,u;
TRACE("(%i, 0x%x, %i, 0x%x, %p %p %p)\n", ReportType, UsagePage, LinkCollection,
Usage, ValueCaps, ValueCapsLength, PreparsedData);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
switch(ReportType)
{
case HidP_Input:
v_count = data->caps.NumberInputValueCaps;
report = HID_INPUT_REPORTS(data);
break;
case HidP_Output:
v_count = data->caps.NumberOutputValueCaps;
report = HID_OUTPUT_REPORTS(data);
break;
case HidP_Feature:
v_count = data->caps.NumberFeatureValueCaps;
report = HID_FEATURE_REPORTS(data);
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
if (!r_count || !v_count)
{
*ValueCapsLength = 0;
return HIDP_STATUS_SUCCESS;
}
v_count = min(v_count, *ValueCapsLength);
u = 0;
for (j = 0; j < r_count && u < v_count; j++)
{
for (i = 0; i < report[j].elementCount && u < v_count; i++)
{
if (elems[report[j].elementIdx + i].ElementType == ValueElement &&
(UsagePage == 0 || UsagePage == elems[report[j].elementIdx + i].caps.value.UsagePage) &&
(LinkCollection == 0 || LinkCollection == elems[report[j].elementIdx + i].caps.value.LinkCollection) &&
(Usage == 0 || Usage == elems[report[j].elementIdx + i].caps.value.u.NotRange.Usage))
{
ValueCaps[u++] = elems[report[j].elementIdx + i].caps.value;
}
}
}
TRACE("Matched %i usages\n", u);
*ValueCapsLength = u;
return HIDP_STATUS_SUCCESS;
}
NTSTATUS WINAPI HidP_GetUsagesEx(HIDP_REPORT_TYPE ReportType, USHORT LinkCollection, USAGE_AND_PAGE *ButtonList,
ULONG *UsageLength, PHIDP_PREPARSED_DATA PreparsedData, CHAR *Report, ULONG ReportLength)
{
WINE_HIDP_PREPARSED_DATA *data = (WINE_HIDP_PREPARSED_DATA*)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
USHORT b_count = 0, r_count = 0;
int i,uCount = 0;
NTSTATUS rc;
TRACE("(%i, %i, %p, %p(%i), %p, %p, %i)\n", ReportType, LinkCollection, ButtonList,
UsageLength, *UsageLength, PreparsedData, Report, ReportLength);
if (data->magic != HID_MAGIC)
return HIDP_STATUS_INVALID_PREPARSED_DATA;
switch(ReportType)
{
case HidP_Input:
b_count = data->caps.NumberInputButtonCaps;
break;
case HidP_Output:
b_count = data->caps.NumberOutputButtonCaps;
break;
case HidP_Feature:
b_count = data->caps.NumberFeatureButtonCaps;
break;
default:
return HIDP_STATUS_INVALID_REPORT_TYPE;
}
r_count = data->reportCount[ReportType];
report = &data->reports[data->reportIdx[ReportType][(BYTE)Report[0]]];
if (!r_count || !b_count)
return HIDP_STATUS_USAGE_NOT_FOUND;
if (report->reportID && report->reportID != Report[0])
return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
for (i = 0; i < report->elementCount; i++)
{
if (elems[report->elementIdx + i].ElementType == ButtonElement)
{
int k;
WINE_HID_ELEMENT *element = &elems[report->elementIdx + i];
for (k=0; k < element->bitCount; k++)
{
UINT v = 0;
NTSTATUS rc = get_report_data((BYTE*)Report, ReportLength,
element->valueStartBit + k, 1, &v);
if (rc != HIDP_STATUS_SUCCESS)
return rc;
if (v)
{
if (uCount < *UsageLength)
{
ButtonList[uCount].Usage = element->caps.button.u.Range.UsageMin + k;
ButtonList[uCount].UsagePage = element->caps.button.UsagePage;
}
uCount++;
}
}
}
}
TRACE("Returning %i usages\n", uCount);
if (*UsageLength < uCount)
rc = HIDP_STATUS_BUFFER_TOO_SMALL;
else
rc = HIDP_STATUS_SUCCESS;
*UsageLength = uCount;
return rc;
}
ULONG WINAPI HidP_MaxDataListLength(HIDP_REPORT_TYPE ReportType, PHIDP_PREPARSED_DATA PreparsedData)
{
WINE_HIDP_PREPARSED_DATA *data = (WINE_HIDP_PREPARSED_DATA *)PreparsedData;
TRACE("(%i, %p)\n", ReportType, PreparsedData);
if (data->magic != HID_MAGIC)
return 0;
switch(ReportType)
{
case HidP_Input:
return data->caps.NumberInputDataIndices;
case HidP_Output:
return data->caps.NumberOutputDataIndices;
case HidP_Feature:
return data->caps.NumberFeatureDataIndices;
default:
return 0;
}
}
NTSTATUS WINAPI HidP_GetData(HIDP_REPORT_TYPE ReportType, HIDP_DATA *DataList, ULONG *DataLength,
PHIDP_PREPARSED_DATA PreparsedData,CHAR *Report, ULONG ReportLength)
{
WINE_HIDP_PREPARSED_DATA *data = (WINE_HIDP_PREPARSED_DATA*)PreparsedData;
WINE_HID_ELEMENT *elems = HID_ELEMS(data);
WINE_HID_REPORT *report = NULL;
USHORT r_count = 0;
int i,uCount = 0;
NTSTATUS rc;
TRACE("(%i, %p, %p(%i), %p, %p, %i)\n", ReportType, DataList, DataLength,
DataLength?*DataLength:0, PreparsedData, Report, ReportLength);
if (data->magic != HID_MAGIC)
return 0;
if (ReportType != HidP_Input && ReportType != HidP_Output && ReportType != HidP_Feature)
return HIDP_STATUS_INVALID_REPORT_TYPE;
r_count = data->reportCount[ReportType];
report = &data->reports[data->reportIdx[ReportType][(BYTE)Report[0]]];
if (!r_count || (report->reportID && report->reportID != Report[0]))
return HIDP_STATUS_REPORT_DOES_NOT_EXIST;
for (i = 0; i < report->elementCount; i++)
{
WINE_HID_ELEMENT *element = &elems[report->elementIdx + i];
if (element->ElementType == ButtonElement)
{
int k;
for (k=0; k < element->bitCount; k++)
{
UINT v = 0;
NTSTATUS rc = get_report_data((BYTE*)Report, ReportLength,
element->valueStartBit + k, 1, &v);
if (rc != HIDP_STATUS_SUCCESS)
return rc;
if (v)
{
if (uCount < *DataLength)
{
DataList[uCount].DataIndex = element->caps.button.u.Range.DataIndexMin + k;
DataList[uCount].u.On = v;
}
uCount++;
}
}
}
else
{
if (uCount < *DataLength)
{
UINT v;
NTSTATUS rc = get_report_data((BYTE*)Report, ReportLength,
element->valueStartBit, element->bitCount, &v);
if (rc != HIDP_STATUS_SUCCESS)
return rc;
DataList[uCount].DataIndex = element->caps.value.u.NotRange.DataIndex;
DataList[uCount].u.RawValue = v;
}
uCount++;
}
}
if (*DataLength < uCount)
rc = HIDP_STATUS_BUFFER_TOO_SMALL;
else
rc = HIDP_STATUS_SUCCESS;
*DataLength = uCount;
return rc;
}
NTSTATUS WINAPI HidP_GetLinkCollectionNodes(HIDP_LINK_COLLECTION_NODE *LinkCollectionNode,
ULONG *LinkCollectionNodeLength, PHIDP_PREPARSED_DATA PreparsedData)
{
WINE_HIDP_PREPARSED_DATA *data = (WINE_HIDP_PREPARSED_DATA*)PreparsedData;
WINE_HID_LINK_COLLECTION_NODE *nodes = HID_NODES(data);
ULONG i;
TRACE("(%p, %p, %p)\n", LinkCollectionNode, LinkCollectionNodeLength, PreparsedData);
if (*LinkCollectionNodeLength < data->caps.NumberLinkCollectionNodes)
return HIDP_STATUS_BUFFER_TOO_SMALL;
for (i = 0; i < data->caps.NumberLinkCollectionNodes; ++i)
{
LinkCollectionNode[i].LinkUsage = nodes[i].LinkUsage;
LinkCollectionNode[i].LinkUsagePage = nodes[i].LinkUsagePage;
LinkCollectionNode[i].Parent = nodes[i].Parent;
LinkCollectionNode[i].NumberOfChildren = nodes[i].NumberOfChildren;
LinkCollectionNode[i].NextSibling = nodes[i].NextSibling;
LinkCollectionNode[i].FirstChild = nodes[i].FirstChild;
LinkCollectionNode[i].CollectionType = nodes[i].CollectionType;
LinkCollectionNode[i].IsAlias = nodes[i].IsAlias;
}
*LinkCollectionNodeLength = data->caps.NumberLinkCollectionNodes;
return HIDP_STATUS_SUCCESS;
}
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