1 files changed, 491 insertions, 0 deletions

diff --git a/private/ntos/fw/mips/jxkbd.c b/private/ntos/fw/mips/jxkbd.c
new file mode 100644
index 000000000..dd1602f68
--- /dev/null
+++ b/private/ntos/fw/mips/jxkbd.c
@@ -0,0 +1,491 @@
+#if defined(JAZZ)
+
+
+/*++
+
+Copyright (c) 1989  Microsoft Corporation
+
+Module Name:
+
+    jxkbd.c
+
+Abstract:
+
+    This module implements the keyboard boot driver for the Jazz system.
+
+Author:
+
+    David M. Robinson (davidro) 8-Aug-1991
+
+Environment:
+
+    Kernel mode.
+
+
+Revision History:
+
+--*/
+
+#include "fwp.h"
+#ifdef DUO
+#include "duoint.h"
+#else
+#include "jazzint.h"
+#endif
+#include "iodevice.h"
+#include "string.h"
+
+
+ARC_STATUS
+KeyboardClose (
+    IN ULONG FileId
+    );
+
+ARC_STATUS
+KeyboardMount (
+    IN PCHAR MountPath,
+    IN MOUNT_OPERATION Operation
+    );
+
+ARC_STATUS
+KeyboardOpen (
+    IN PCHAR OpenPath,
+    IN OPEN_MODE OpenMode,
+    IN OUT PULONG FileId
+    );
+
+ARC_STATUS
+KeyboardRead (
+    IN ULONG FileId,
+    IN PVOID Buffer,
+    IN ULONG Length,
+    OUT PULONG Count
+    );
+
+ARC_STATUS
+KeyboardGetReadStatus (
+    IN ULONG FileId
+    );
+
+ARC_STATUS
+KeyboardSeek (
+    IN ULONG FileId,
+    IN PLARGE_INTEGER Offset,
+    IN SEEK_MODE SeekMode
+    );
+
+ARC_STATUS
+KeyboardWrite (
+    IN ULONG FileId,
+    IN PVOID Buffer,
+    IN ULONG Length,
+    OUT PULONG Count
+    );
+
+ARC_STATUS
+KeyboardGetFileInformation (
+    IN ULONG FileId,
+    OUT PFILE_INFORMATION Finfo
+    );
+
+//
+// Define static data.
+//
+BL_DEVICE_ENTRY_TABLE KeyboardEntryTable = {
+    KeyboardClose,
+    KeyboardMount,
+    KeyboardOpen,
+    KeyboardRead,
+    KeyboardGetReadStatus,
+    KeyboardSeek,
+    KeyboardWrite,
+    KeyboardGetFileInformation,
+    (PARC_SET_FILE_INFO_ROUTINE)NULL
+    };
+
+PCHAR KeyboardDevicePath = "multi(0)key(0)keyboard(0)";
+
+KEYBOARD_BUFFER KbdBuffer;
+
+BOOLEAN FwLeftShift;
+BOOLEAN FwRightShift;
+BOOLEAN FwControl;
+BOOLEAN FwAlt;
+BOOLEAN FwCapsLock;
+
+
+//
+// Define prototypes for all routines used by this module.
+//
+
+UCHAR
+FwInputScanCode(
+    VOID
+    );
+
+
+ARC_STATUS
+KeyboardGetFileInformation (
+    IN ULONG FileId,
+    OUT PFILE_INFORMATION Finfo
+    )
+
+/*++
+
+Routine Description:
+
+    This function returns EINVAL as no FileInformation can be
+    returned for the Keyboard driver.
+
+Arguments:
+
+    The arguments are not used.
+
+Return Value:
+
+    EINVAL is returned
+
+--*/
+
+{
+    return EINVAL;
+}
+
+
+ARC_STATUS
+KeyboardClose (
+    IN ULONG FileId
+    )
+
+/*++
+
+Routine Description:
+
+    This function closes the file table entry specified by the file id.
+
+Arguments:
+
+    FileId - Supplies the file table index.
+
+Return Value:
+
+    ESUCCESS is returned
+
+--*/
+
+{
+
+    BlFileTable[FileId].Flags.Open = 0;
+    return ESUCCESS;
+}
+
+ARC_STATUS
+KeyboardMount (
+    IN PCHAR MountPath,
+    IN MOUNT_OPERATION Operation
+    )
+
+/*++
+
+Routine Description:
+
+
+Arguments:
+
+
+Return Value:
+
+
+--*/
+
+{
+    return EINVAL;
+}
+
+ARC_STATUS
+KeyboardOpen (
+    IN PCHAR OpenPath,
+    IN OPEN_MODE OpenMode,
+    IN OUT PULONG FileId
+    )
+/*++
+
+Routine Description:
+
+    This is the open routine for the Keyboard device.
+
+Arguments:
+
+    OpenPath - Supplies the pathname of the device to open.
+
+    OpenMode - Supplies the mode (read only, write only, or read write).
+
+    FileId - Supplies a free file identifier to use.  If the device is already
+             open this parameter can be used to return the file identifier
+             already in use.
+
+Return Value:
+
+    If the open was successful, ESUCCESS is returned, otherwise an error code
+    is returned.
+
+--*/
+{
+    PCONSOLE_CONTEXT Context;
+
+    Context = &BlFileTable[*FileId].u.ConsoleContext;
+    if ( strstr(OpenPath, ")console(1)" ) != NULL ) {
+        Context->ConsoleNumber = 1;
+    } else {
+        Context->ConsoleNumber = 0;
+    }
+    return ESUCCESS;
+}
+
+ARC_STATUS
+KeyboardRead (
+    IN ULONG FileId,
+    IN PVOID Buffer,
+    IN ULONG Length,
+    OUT PULONG Count
+    )
+/*++
+
+Routine Description:
+
+    This routine reads keys from the keyboard and passes along either ascii
+    or Unicode characters to the caller.
+
+Arguments:
+
+    FileId - Supplies a file id.
+
+    Buffer - Supplies a pointer to a buffer to receive the characters.
+
+    Length - Supplies the length of Buffer in bytes.
+
+    Count - Returns the count of the bytes that were received.
+
+Return Value:
+
+    A value of ESUCCESS is returned.
+
+--*/
+{
+    PCHAR OutputBuffer;
+    PCONSOLE_CONTEXT Context;
+    BOOLEAN Unicode;
+
+    OutputBuffer = (PCHAR)Buffer;
+    Context = &BlFileTable[FileId].u.ConsoleContext;
+
+    if (Context->ConsoleNumber == 1) {
+        if (Length & 1) {
+
+            //
+            // Length is not an even number of bytes, return an error.
+            //
+
+            return(EINVAL);
+        }
+        Unicode = TRUE;
+    } else {
+        Unicode = FALSE;
+    }
+
+    *Count = 0;
+    while (*Count < Length) {
+        *OutputBuffer++ = FwInputScanCode();
+        (*Count)++;
+        if (Unicode) {
+            *OutputBuffer++ = 0;
+            (*Count)++;
+        }
+    }
+    return ESUCCESS;
+}
+
+
+ARC_STATUS
+KeyboardGetReadStatus (
+    IN ULONG FileId
+    )
+/*++
+
+Routine Description:
+
+    This routine checks to see if a character is available from the keyboard.
+
+Arguments:
+
+    FileId - Supplies a file identifier.
+
+Return Value:
+
+    Returns ESUCCESS is a byte is available, otherwise EAGAIN is returned.
+
+--*/
+{
+    if (KbdBuffer.ReadIndex == KbdBuffer.WriteIndex) {
+        return EAGAIN;
+    } else {
+        return ESUCCESS;
+    }
+}
+
+
+ARC_STATUS
+KeyboardWrite (
+    IN ULONG FileId,
+    IN PVOID Buffer,
+    IN ULONG Length,
+    OUT PULONG Count
+    )
+
+/*++
+
+Routine Description:
+
+Arguments:
+
+Return Value:
+
+    ESUCCESS is returned.
+
+--*/
+
+{
+    return ESUCCESS;
+}
+
+ARC_STATUS
+KeyboardSeek (
+    IN ULONG FileId,
+    IN PLARGE_INTEGER Offset,
+    IN SEEK_MODE SeekMode
+    )
+
+/*++
+
+Routine Description:
+
+Arguments:
+
+Return Value:
+
+    ESUCCESS is returned.
+
+--*/
+
+{
+    return ESUCCESS;
+}
+
+VOID
+KeyboardInitialize (
+    IN OUT PDRIVER_LOOKUP_ENTRY LookupTableEntry,
+    IN ULONG Entries
+    )
+
+/*++
+
+Routine Description:
+
+    This routine initializes the keyboard control registers, clears the
+    fifo, and initializes the keyboard entry in the driver lookup table.
+
+Arguments:
+
+    LookupTableEntry - Supplies a pointer to the first free location in the
+                       driver lookup table.
+
+    Entries - Supplies the number of free entries in the driver lookup table.
+
+Return Value:
+
+    None.
+
+--*/
+
+{
+    UCHAR Byte;
+    //
+    // Initialize the driver lookup table.
+    //
+
+    LookupTableEntry->DevicePath = KeyboardDevicePath;
+    LookupTableEntry->DispatchTable = &KeyboardEntryTable;
+
+    //
+    // Initialize static data.
+    //
+
+    FwLeftShift = FALSE;
+    FwRightShift = FALSE;
+    FwControl = FALSE;
+    FwAlt = FALSE;
+    FwCapsLock = FALSE;
+
+    KbdBuffer.ReadIndex = KbdBuffer.WriteIndex = 0;
+
+    //
+    // Call the selftest keyboard initialization routine.
+    //
+    InitKeyboard();
+
+    //
+    // Enable kbd interrupts in the keyboard controller.
+    //
+    SendKbdCommand(KBD_CTR_READ_COMMAND);
+    GetKbdData(&Byte,100);
+
+    //
+    // Clear translation mode and enable Kbd interrupt.
+    //
+    Byte = (Byte & 0xBF) | KbdCommandEnableKbdInt;
+    SendKbdCommand(KBD_CTR_WRITE_COMMAND);
+    SendKbdData(Byte);
+
+    //
+    // Enable keyboard interrupts in the interrupt enable register.
+    //
+    WRITE_REGISTER_USHORT(&((PINTERRUPT_REGISTERS)INTERRUPT_VIRTUAL_BASE)->Enable,
+                          (1 << (KEYBOARD_VECTOR - DEVICE_VECTORS - 1)));
+
+
+    return;
+}
+
+UCHAR
+FwInputScanCode (
+    VOID
+    )
+
+/*++
+
+Routine Description:
+
+    This routine reads a byte from the keyboard.  If no data is available,
+    it blocks until a key is typed.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    Returns the character read from the keyboard.
+
+--*/
+
+{
+    UCHAR ScanCode;
+
+    while (KbdBuffer.ReadIndex == KbdBuffer.WriteIndex) {
+    }
+    KbdBuffer.ReadIndex = (KbdBuffer.ReadIndex+1) % KBD_BUFFER_SIZE;
+    ScanCode = KbdBuffer.Buffer[KbdBuffer.ReadIndex];
+
+    return ScanCode;
+}
+#endif