On Thu, May 24, 2018 at 08:46:27AM +0800, Haojian Zhuang wrote: > 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 <[email protected]> > Cc: Ard Biesheuvel <[email protected]> > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Haojian Zhuang <[email protected]>
Reviewed-by: Leif Lindholm <[email protected]> > --- > Platform/Hisilicon/HiKey960/HiKey960.dsc | 5 + > Platform/Hisilicon/HiKey960/HiKey960.fdf | 5 + > Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf | 1 + > Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.h | 10 ++ > Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.c | 97 > ++++++++++++++++++++ > 5 files changed, 118 insertions(+) > > diff --git a/Platform/Hisilicon/HiKey960/HiKey960.dsc > b/Platform/Hisilicon/HiKey960/HiKey960.dsc > index 6cc1c1edf453..79e68754976d 100644 > --- a/Platform/Hisilicon/HiKey960/HiKey960.dsc > +++ b/Platform/Hisilicon/HiKey960/HiKey960.dsc > @@ -182,6 +182,11 @@ [Components.common] > Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf > ArmPlatformPkg/Drivers/PL061GpioDxe/PL061GpioDxe.inf > > + # > + # Virtual Keyboard > + # > + EmbeddedPkg/Drivers/VirtualKeyboardDxe/VirtualKeyboardDxe.inf > + > Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf > > # > diff --git a/Platform/Hisilicon/HiKey960/HiKey960.fdf > b/Platform/Hisilicon/HiKey960/HiKey960.fdf > index b7d70b010598..d65f77878575 100644 > --- a/Platform/Hisilicon/HiKey960/HiKey960.fdf > +++ b/Platform/Hisilicon/HiKey960/HiKey960.fdf > @@ -123,6 +123,11 @@ [FV.FvMain] > 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 > > # > diff --git a/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf > b/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf > index a1a7d005ce8b..46a9a5803e3d 100644 > --- a/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf > +++ b/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.inf > @@ -39,6 +39,7 @@ [LibraryClasses] > > [Protocols] > gEmbeddedGpioProtocolGuid > + gPlatformVirtualKeyboardProtocolGuid > > [Guids] > gEfiEndOfDxeEventGroupGuid > diff --git a/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.h > b/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.h > index 9a4c66f42c50..211eea55aa54 100644 > --- a/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.h > +++ b/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.h > @@ -21,6 +21,7 @@ > > #include <Library/BaseLib.h> > #include <Library/BaseMemoryLib.h> > +#include <Library/CacheMaintenanceLib.h> > #include <Library/DebugLib.h> > #include <Library/IoLib.h> > #include <Library/PrintLib.h> > @@ -29,6 +30,15 @@ > #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, > diff --git a/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.c > b/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.c > index 7c1705241e88..7ff2f118128d 100644 > --- a/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.c > +++ b/Platform/Hisilicon/HiKey960/HiKey960Dxe/HiKey960Dxe.c > @@ -14,6 +14,8 @@ > > #include "HiKey960Dxe.h" > > +STATIC EMBEDDED_GPIO *mGpio; > + > STATIC > VOID > InitSdCard ( > @@ -166,6 +168,94 @@ 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 ( > IN EFI_HANDLE ImageHandle, > IN EFI_SYSTEM_TABLE *SystemTable > @@ -194,5 +284,12 @@ HiKey960EntryPoint ( > if (EFI_ERROR (Status)) { > return Status; > } > + > + Status = gBS->InstallProtocolInterface ( > + &ImageHandle, > + &gPlatformVirtualKeyboardProtocolGuid, > + EFI_NATIVE_INTERFACE, > + &mVirtualKeyboard > + ); > return Status; > } > -- > 2.7.4 > _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
