From 031e5cce385d3f96b1caa1d53495332a7eb03749 Mon Sep 17 00:00:00 2001
From: Steve McIntyre <steve@einval.com>
Date: Tue, 23 Mar 2021 23:49:46 +0000
Subject: New upstream version 15.3

---
 gnu-efi/inc/efiser.h | 136 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 gnu-efi/inc/efiser.h

(limited to 'gnu-efi/inc/efiser.h')

diff --git a/gnu-efi/inc/efiser.h b/gnu-efi/inc/efiser.h
new file mode 100644
index 00000000..45a463e8
--- /dev/null
+++ b/gnu-efi/inc/efiser.h
@@ -0,0 +1,136 @@
+#ifndef _EFI_SER_H
+#define _EFI_SER_H
+
+/*++
+
+Copyright (c) 1998  Intel Corporation
+
+Module Name:
+
+    efiser.h
+
+Abstract:
+
+    EFI serial protocol
+
+Revision History
+
+--*/
+
+//
+// Serial protocol
+//
+
+#define EFI_SERIAL_IO_PROTOCOL_GUID \
+    { 0xBB25CF6F, 0xF1D4, 0x11D2, {0x9A, 0x0C, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0xFD} }
+#define SERIAL_IO_PROTOCOL EFI_SERIAL_IO_PROTOCOL_GUID
+
+INTERFACE_DECL(_EFI_SERIAL_IO_PROTOCOL);
+
+typedef enum {
+    DefaultParity,
+    NoParity,
+    EvenParity,
+    OddParity,
+    MarkParity,
+    SpaceParity
+} EFI_PARITY_TYPE;
+
+typedef enum {
+    DefaultStopBits,
+    OneStopBit,         // 1 stop bit
+    OneFiveStopBits,    // 1.5 stop bits
+    TwoStopBits         // 2 stop bits
+} EFI_STOP_BITS_TYPE;
+
+#define EFI_SERIAL_CLEAR_TO_SEND                   0x0010  // RO
+#define EFI_SERIAL_DATA_SET_READY                  0x0020  // RO
+#define EFI_SERIAL_RING_INDICATE                   0x0040  // RO
+#define EFI_SERIAL_CARRIER_DETECT                  0x0080  // RO
+#define EFI_SERIAL_REQUEST_TO_SEND                 0x0002  // WO
+#define EFI_SERIAL_DATA_TERMINAL_READY             0x0001  // WO
+#define EFI_SERIAL_INPUT_BUFFER_EMPTY              0x0100  // RO
+#define EFI_SERIAL_OUTPUT_BUFFER_EMPTY             0x0200  // RO
+#define EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE        0x1000  // RW
+#define EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE        0x2000  // RW
+#define EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE    0x4000  // RW
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SERIAL_RESET) (
+    IN struct _EFI_SERIAL_IO_PROTOCOL  *This
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SERIAL_SET_ATTRIBUTES) (
+    IN struct _EFI_SERIAL_IO_PROTOCOL  *This,
+    IN UINT64                          BaudRate,
+    IN UINT32                          ReceiveFifoDepth,
+    IN UINT32                          Timeout,
+    IN EFI_PARITY_TYPE                 Parity,
+    IN UINT8                           DataBits,
+    IN EFI_STOP_BITS_TYPE              StopBits
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SERIAL_SET_CONTROL_BITS) (
+    IN struct _EFI_SERIAL_IO_PROTOCOL  *This,
+    IN UINT32                          Control
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SERIAL_GET_CONTROL_BITS) (
+    IN struct _EFI_SERIAL_IO_PROTOCOL  *This,
+    OUT UINT32                         *Control
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SERIAL_WRITE) (
+    IN struct _EFI_SERIAL_IO_PROTOCOL  *This,
+    IN OUT UINTN                       *BufferSize,
+    IN VOID                            *Buffer
+    );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SERIAL_READ) (
+    IN struct _EFI_SERIAL_IO_PROTOCOL  *This,
+    IN OUT UINTN                       *BufferSize,
+    OUT VOID                           *Buffer
+    );
+
+typedef struct {
+    UINT32                  ControlMask;
+
+    // current Attributes
+    UINT32                  Timeout;
+    UINT64                  BaudRate;
+    UINT32                  ReceiveFifoDepth;
+    UINT32                  DataBits;
+    UINT32                  Parity;
+    UINT32                  StopBits;
+} SERIAL_IO_MODE;
+
+#define SERIAL_IO_INTERFACE_REVISION    0x00010000
+
+typedef struct _EFI_SERIAL_IO_PROTOCOL {
+    UINT32                       Revision;
+    EFI_SERIAL_RESET             Reset;
+    EFI_SERIAL_SET_ATTRIBUTES    SetAttributes;
+    EFI_SERIAL_SET_CONTROL_BITS  SetControl;
+    EFI_SERIAL_GET_CONTROL_BITS  GetControl;
+    EFI_SERIAL_WRITE             Write;
+    EFI_SERIAL_READ              Read;
+
+    SERIAL_IO_MODE               *Mode;
+} EFI_SERIAL_IO_PROTOCOL;
+
+typedef struct _EFI_SERIAL_IO_PROTOCOL _SERIAL_IO_INTERFACE;
+typedef EFI_SERIAL_IO_PROTOCOL SERIAL_IO_INTERFACE;
+
+#endif
+
-- 
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