diff options
Diffstat (limited to 'EdkModulePkg/Bus/Usb/UsbMouse/Dxe/mousehid.c')
| -rw-r--r-- | EdkModulePkg/Bus/Usb/UsbMouse/Dxe/mousehid.c | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/EdkModulePkg/Bus/Usb/UsbMouse/Dxe/mousehid.c b/EdkModulePkg/Bus/Usb/UsbMouse/Dxe/mousehid.c deleted file mode 100644 index cbe0970484..0000000000 --- a/EdkModulePkg/Bus/Usb/UsbMouse/Dxe/mousehid.c +++ /dev/null @@ -1,395 +0,0 @@ -/*++
-
-Copyright (c) 2006, Intel Corporation
-All rights reserved. This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- Mousehid.c
-
-Abstract:
- Parse mouse hid descriptor
-
---*/
-
-#include "usbmouse.h"
-#include "mousehid.h"
-
-//
-// Get an item from report descriptor
-//
-STATIC
-UINT8 *
-GetNextItem (
- IN UINT8 *StartPos,
- IN UINT8 *EndPos,
- OUT HID_ITEM *HidItem
- )
-/*++
-
-Routine Description:
-
- Get Next Item
-
-Arguments:
-
- StartPos - Start Position
- EndPos - End Position
- HidItem - HidItem to return
-
-Returns:
- Position
-
---*/
-{
- UINT8 Temp;
-
- if ((EndPos - StartPos) <= 0) {
- return NULL;
- }
-
- Temp = *StartPos;
- StartPos++;
- //
- // bit 2,3
- //
- HidItem->Type = (UINT8) ((Temp >> 2) & 0x03);
- //
- // bit 4-7
- //
- HidItem->Tag = (UINT8) ((Temp >> 4) & 0x0F);
-
- if (HidItem->Tag == HID_ITEM_TAG_LONG) {
- //
- // Long Items are not supported by HID rev1.0,
- // although we try to parse it.
- //
- HidItem->Format = HID_ITEM_FORMAT_LONG;
-
- if ((EndPos - StartPos) >= 2) {
- HidItem->Size = *StartPos++;
- HidItem->Tag = *StartPos++;
-
- if ((EndPos - StartPos) >= HidItem->Size) {
- HidItem->Data.LongData = StartPos;
- StartPos += HidItem->Size;
- return StartPos;
- }
- }
- } else {
- HidItem->Format = HID_ITEM_FORMAT_SHORT;
- //
- // bit 0, 1
- //
- HidItem->Size = (UINT8) (Temp & 0x03);
- switch (HidItem->Size) {
-
- case 0:
- //
- // No data
- //
- return StartPos;
-
- case 1:
- //
- // One byte data
- //
- if ((EndPos - StartPos) >= 1) {
- HidItem->Data.U8 = *StartPos++;
- return StartPos;
- }
-
- case 2:
- //
- // Two byte data
- //
- if ((EndPos - StartPos) >= 2) {
- CopyMem (&HidItem->Data.U16, StartPos, sizeof (UINT16));
- StartPos += 2;
- return StartPos;
- }
-
- case 3:
- //
- // 4 byte data, adjust size
- //
- HidItem->Size++;
- if ((EndPos - StartPos) >= 4) {
- CopyMem (&HidItem->Data.U32, StartPos, sizeof (UINT32));
- StartPos += 4;
- return StartPos;
- }
- }
- }
-
- return NULL;
-}
-
-STATIC
-UINT32
-GetItemData (
- IN HID_ITEM *HidItem
- )
-/*++
-
-Routine Description:
-
- Get Item Data
-
-Arguments:
-
- HidItem - HID_ITEM
-
-Returns:
- HidItem Data
-
-
---*/
-{
- //
- // Get Data from HID_ITEM structure
- //
- switch (HidItem->Size) {
-
- case 1:
- return HidItem->Data.U8;
-
- case 2:
- return HidItem->Data.U16;
-
- case 4:
- return HidItem->Data.U32;
- }
-
- return 0;
-}
-
-STATIC
-VOID
-ParseLocalItem (
- IN USB_MOUSE_DEV *UsbMouse,
- IN HID_ITEM *LocalItem
- )
-/*++
-
-Routine Description:
-
- Parse Local Item
-
-Arguments:
-
- UsbMouse - USB_MOUSE_DEV
- LocalItem - Local Item
-
-Returns:
-
---*/
-{
- UINT32 Data;
-
- if (LocalItem->Size == 0) {
- //
- // No expected data for local item
- //
- return ;
- }
-
- Data = GetItemData (LocalItem);
-
- switch (LocalItem->Tag) {
-
- case HID_LOCAL_ITEM_TAG_DELIMITER:
- //
- // we don't support delimiter here
- //
- return ;
-
- case HID_LOCAL_ITEM_TAG_USAGE:
- return ;
-
- case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
- if (UsbMouse->PrivateData.ButtonDetected) {
- UsbMouse->PrivateData.ButtonMinIndex = (UINT8) Data;
- }
-
- return ;
-
- case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
- {
- if (UsbMouse->PrivateData.ButtonDetected) {
- UsbMouse->PrivateData.ButtonMaxIndex = (UINT8) Data;
- }
-
- return ;
- }
- }
-}
-
-STATIC
-VOID
-ParseGlobalItem (
- IN USB_MOUSE_DEV *UsbMouse,
- IN HID_ITEM *GlobalItem
- )
-{
- UINT8 UsagePage;
-
- switch (GlobalItem->Tag) {
- case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
- {
- UsagePage = (UINT8) GetItemData (GlobalItem);
-
- //
- // We only care Button Page here
- //
- if (UsagePage == 0x09) {
- //
- // Button Page
- //
- UsbMouse->PrivateData.ButtonDetected = TRUE;
- return ;
- }
- break;
- }
-
- }
-}
-
-
-STATIC
-VOID
-ParseMainItem (
- IN USB_MOUSE_DEV *UsbMouse,
- IN HID_ITEM *MainItem
- )
-/*++
-
-Routine Description:
-
- Parse Main Item
-
-Arguments:
-
- UsbMouse - TODO: add argument description
- MainItem - HID_ITEM to parse
-
-Returns:
-
- VOID
-
---*/
-{
- //
- // we don't care any main items, just skip
- //
- return ;
-}
-
-STATIC
-VOID
-ParseHidItem (
- IN USB_MOUSE_DEV *UsbMouse,
- IN HID_ITEM *HidItem
- )
-/*++
-
-Routine Description:
-
- Parse Hid Item
-
-Arguments:
-
- UsbMouse - USB_MOUSE_DEV
- HidItem - HidItem to parse
-
-Returns:
-
- VOID
-
---*/
-{
- switch (HidItem->Type) {
-
- case HID_ITEM_TYPE_MAIN:
- //
- // For Main Item, parse main item
- //
- ParseMainItem (UsbMouse, HidItem);
- break;
-
- case HID_ITEM_TYPE_GLOBAL:
- //
- // For global Item, parse global item
- //
- ParseGlobalItem (UsbMouse, HidItem);
- break;
-
- case HID_ITEM_TYPE_LOCAL:
- //
- // For Local Item, parse local item
- //
- ParseLocalItem (UsbMouse, HidItem);
- break;
- }
-}
-//
-// A simple parse just read some field we are interested in
-//
-EFI_STATUS
-ParseMouseReportDescriptor (
- IN USB_MOUSE_DEV *UsbMouse,
- IN UINT8 *ReportDescriptor,
- IN UINTN ReportSize
- )
-/*++
-
-Routine Description:
-
- Parse Mouse Report Descriptor
-
-Arguments:
-
- UsbMouse - USB_MOUSE_DEV
- ReportDescriptor - Report descriptor to parse
- ReportSize - Report descriptor size
-
-Returns:
-
- EFI_DEVICE_ERROR - Report descriptor error
- EFI_SUCCESS - Success
-
---*/
-{
- UINT8 *DescriptorEnd;
- UINT8 *ptr;
- HID_ITEM HidItem;
-
- DescriptorEnd = ReportDescriptor + ReportSize;
-
- ptr = GetNextItem (ReportDescriptor, DescriptorEnd, &HidItem);
-
- while (ptr != NULL) {
- if (HidItem.Format != HID_ITEM_FORMAT_SHORT) {
- //
- // Long Format Item is not supported at current HID revision
- //
- return EFI_DEVICE_ERROR;
- }
-
- ParseHidItem (UsbMouse, &HidItem);
-
- ptr = GetNextItem (ptr, DescriptorEnd, &HidItem);
- }
-
- UsbMouse->NumberOfButtons = (UINT8) (UsbMouse->PrivateData.ButtonMaxIndex - UsbMouse->PrivateData.ButtonMinIndex + 1);
- UsbMouse->XLogicMax = UsbMouse->YLogicMax = 127;
- UsbMouse->XLogicMin = UsbMouse->YLogicMin = -127;
-
- return EFI_SUCCESS;
-}
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