Enable virtual keyboard on HiKey platform. It detects the pattern in memory and GPIO pin setting, and simulates them into virtual key.
Cc: Leif Lindholm <leif.lindh...@linaro.org> Cc: Ard Biesheuvel <ard.biesheu...@linaro.org> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Haojian Zhuang <haojian.zhu...@linaro.org> --- Platform/Hisilicon/HiKey/HiKey.dsc | 5 ++ Platform/Hisilicon/HiKey/HiKey.fdf | 5 ++ Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.c | 98 ++++++++++++++++++++++++++ Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.inf | 5 ++ 4 files changed, 113 insertions(+) diff --git a/Platform/Hisilicon/HiKey/HiKey.dsc b/Platform/Hisilicon/HiKey/HiKey.dsc index 5cc4ff27f01b..83dd68a820b1 100644 --- a/Platform/Hisilicon/HiKey/HiKey.dsc +++ b/Platform/Hisilicon/HiKey/HiKey.dsc @@ -192,6 +192,11 @@ [Components.common] Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.inf ArmPlatformPkg/Drivers/PL061GpioDxe/PL061GpioDxe.inf + # + # Virtual Keyboard + # + EmbeddedPkg/Drivers/VirtualKeyboardDxe/VirtualKeyboardDxe.inf + Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.inf # diff --git a/Platform/Hisilicon/HiKey/HiKey.fdf b/Platform/Hisilicon/HiKey/HiKey.fdf index 39020d27dbcd..2bca7232b6e5 100644 --- a/Platform/Hisilicon/HiKey/HiKey.fdf +++ b/Platform/Hisilicon/HiKey/HiKey.fdf @@ -123,6 +123,11 @@ [FV.FvMain] INF Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.inf INF ArmPlatformPkg/Drivers/PL061GpioDxe/PL061GpioDxe.inf + # + # Virtual Keyboard + # + INF EmbeddedPkg/Drivers/VirtualKeyboardDxe/VirtualKeyboardDxe.inf + INF Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.inf # diff --git a/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.c b/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.c index 19987e0b29c3..8f4f9157835c 100644 --- a/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.c +++ b/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.c @@ -12,10 +12,15 @@ * **/ +#include <Library/CacheMaintenanceLib.h> #include <Library/DebugLib.h> #include <Library/IoLib.h> +#include <Library/UefiBootServicesTableLib.h> #include <Library/UefiLib.h> +#include <Protocol/EmbeddedGpio.h> +#include <Protocol/PlatformVirtualKeyboard.h> + #include <Hi6220.h> #include <Hi6220RegsPeri.h> @@ -31,6 +36,8 @@ #define ADB_REBOOT_BOOTLOADER 0x77665500 #define ADB_REBOOT_NONE 0x77665501 +STATIC EMBEDDED_GPIO *mGpio; + STATIC VOID UartInit ( @@ -104,6 +111,90 @@ HiKeyInitPeripherals ( 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; + } + Status = mGpio->Set (mGpio, DETECT_J15_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_J15_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 HiKeyEntryPoint ( IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable @@ -115,5 +206,12 @@ HiKeyEntryPoint ( if (EFI_ERROR (Status)) { return Status; } + + Status = gBS->InstallProtocolInterface ( + &ImageHandle, + &gPlatformVirtualKeyboardProtocolGuid, + EFI_NATIVE_INTERFACE, + &mVirtualKeyboard + ); return Status; } diff --git a/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.inf b/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.inf index 34734391b45a..41aa7f8081ed 100644 --- a/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.inf +++ b/Platform/Hisilicon/HiKey/HiKeyDxe/HiKeyDxe.inf @@ -28,11 +28,16 @@ [Packages] MdePkg/MdePkg.dec [LibraryClasses] + CacheMaintenanceLib DebugLib IoLib UefiLib UefiDriverEntryPoint +[Protocols] + gEmbeddedGpioProtocolGuid + gPlatformVirtualKeyboardProtocolGuid + [Guids] gEfiEndOfDxeEventGroupGuid -- 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel