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Platform/HiKey960: enable virtual keyboard

Enable virtual keyboard on HiKey960 platform. It checks two
conditions, such as pattern in memory and GPIO pin setting.
Since code is ported from non-open

The hardcoding code is taken from non-open reference code.
Can't fix it for lack of documents.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Haojian Zhuang 6 lat temu
rodzic
commit
82c5886628

+ 5 - 0
Platform/Hisilicon/HiKey960/HiKey960.dsc

@@ -182,6 +182,11 @@
   Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf
   ArmPlatformPkg/Drivers/PL061GpioDxe/PL061GpioDxe.inf
 
+  #
+  # Virtual Keyboard
+  #
+  EmbeddedPkg/Drivers/VirtualKeyboardDxe/VirtualKeyboardDxe.inf
+
   Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf
 
   #

+ 5 - 0
Platform/Hisilicon/HiKey960/HiKey960.fdf

@@ -123,6 +123,11 @@ READ_LOCK_STATUS   = TRUE
   INF Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf
   INF ArmPlatformPkg/Drivers/PL061GpioDxe/PL061GpioDxe.inf
 
+  #
+  # Virtual Keyboard
+  #
+  INF EmbeddedPkg/Drivers/VirtualKeyboardDxe/VirtualKeyboardDxe.inf
+
   INF Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf
 
   #

+ 97 - 0
Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.c

@@ -28,6 +28,8 @@
 
 #include "HiKey960Dxe.h"
 
+STATIC EMBEDDED_GPIO   *mGpio;
+
 STATIC
 VOID
 InitSdCard (
@@ -170,6 +172,94 @@ OnEndOfDxe (
   }
 }
 
+EFI_STATUS
+EFIAPI
+VirtualKeyboardRegister (
+  IN VOID
+  )
+{
+  EFI_STATUS           Status;
+
+  Status = gBS->LocateProtocol (
+                  &gEmbeddedGpioProtocolGuid,
+                  NULL,
+                  (VOID **) &mGpio
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+VirtualKeyboardReset (
+  IN VOID
+  )
+{
+  EFI_STATUS           Status;
+
+  if (mGpio == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+  //
+  // Configure GPIO68 as GPIO function
+  //
+  MmioWrite32 (0xe896c108, 0);
+  Status = mGpio->Set (mGpio, DETECT_SW_FASTBOOT, GPIO_MODE_INPUT);
+  return Status;
+}
+
+BOOLEAN
+EFIAPI
+VirtualKeyboardQuery (
+  IN VIRTUAL_KBD_KEY             *VirtualKey
+  )
+{
+  EFI_STATUS           Status;
+  UINTN                Value = 0;
+
+  if ((VirtualKey == NULL) || (mGpio == NULL)) {
+    return FALSE;
+  }
+  if (MmioRead32 (ADB_REBOOT_ADDRESS) == ADB_REBOOT_BOOTLOADER) {
+    goto Done;
+  } else {
+    Status = mGpio->Get (mGpio, DETECT_SW_FASTBOOT, &Value);
+    if (EFI_ERROR (Status) || (Value != 0)) {
+      return FALSE;
+    }
+  }
+Done:
+  VirtualKey->Signature = VIRTUAL_KEYBOARD_KEY_SIGNATURE;
+  VirtualKey->Key.ScanCode = SCAN_NULL;
+  VirtualKey->Key.UnicodeChar = L'f';
+  return TRUE;
+}
+
+EFI_STATUS
+EFIAPI
+VirtualKeyboardClear (
+  IN VIRTUAL_KBD_KEY            *VirtualKey
+  )
+{
+  if (VirtualKey == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+  if (MmioRead32 (ADB_REBOOT_ADDRESS) == ADB_REBOOT_BOOTLOADER) {
+    MmioWrite32 (ADB_REBOOT_ADDRESS, ADB_REBOOT_NONE);
+    WriteBackInvalidateDataCacheRange ((VOID *)ADB_REBOOT_ADDRESS, 4);
+  }
+  return EFI_SUCCESS;
+}
+
+PLATFORM_VIRTUAL_KBD_PROTOCOL mVirtualKeyboard = {
+  VirtualKeyboardRegister,
+  VirtualKeyboardReset,
+  VirtualKeyboardQuery,
+  VirtualKeyboardClear
+};
+
 EFI_STATUS
 EFIAPI
 HiKey960EntryPoint (
@@ -200,5 +290,12 @@ HiKey960EntryPoint (
   if (EFI_ERROR (Status)) {
     return Status;
   }
+
+  Status = gBS->InstallProtocolInterface (
+                  &ImageHandle,
+                  &gPlatformVirtualKeyboardProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  &mVirtualKeyboard
+                  );
   return Status;
 }

+ 24 - 0
Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.h

@@ -15,6 +15,30 @@
 #ifndef __HIKEY960DXE_H__
 #define __HIKEY960DXE_H__
 
+#include <Guid/EventGroup.h>
+
+#include <Hi3660.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/CacheMaintenanceLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/PrintLib.h>
+#include <Library/SerialPortLib.h>
+#include <Library/TimerLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <Protocol/EmbeddedGpio.h>
+#include <Protocol/PlatformVirtualKeyboard.h>
+
+#define ADB_REBOOT_ADDRESS               0x32100000
+#define ADB_REBOOT_BOOTLOADER            0x77665500
+#define ADB_REBOOT_NONE                  0x77665501
+
+#define DETECT_SW_FASTBOOT               68        // GPIO8_4
+
 enum {
   BOOT_MODE_RECOVERY  = 0,
   BOOT_MODE_MASK = 1,

+ 1 - 0
Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf

@@ -39,6 +39,7 @@
 
 [Protocols]
   gEmbeddedGpioProtocolGuid
+  gPlatformVirtualKeyboardProtocolGuid
 
 [Guids]
   gEfiEndOfDxeEventGroupGuid