headers/private/kernel/arch/generic/debug_uart_8250.h

   1 /*
   2  * Copyright 2012 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              François Revol, revol@free.fr
   7  */
   8 #ifndef _KERNEL_ARCH_DEBUG_UART_8250_H
   9 #define _KERNEL_ARCH_DEBUG_UART_8250_H
  10
  11
  12 #include <sys/types.h>
  13
  14 #include <SupportDefs.h>
  15
  16 #include "debug_uart.h"
  17
  18
  19 class DebugUART8250 : public DebugUART {
  20 public:
  21                                                         DebugUART8250(addr_t base, int64 clock);
  22                                                         ~DebugUART8250();
  23
  24                         void                    InitEarly();
  25                         void                    Init();
  26                         void                    InitPort(uint32 baud);
  27
  28                         int                             PutChar(char c);
  29                         int                             GetChar(bool wait);
  30
  31                         void                    FlushTx();
  32                         void                    FlushRx();
  33 };
  34
  35
  36 extern DebugUART8250 *arch_get_uart_8250(addr_t base, int64 clock);
  37 extern DebugUART8250 *arch_get_uart_8250_omap(addr_t base, int64 clock);
  38
  39
  40 #endif /* _KERNEL_ARCH_DEBUG_UART_8250_H */