/*
 * Copyright 2011-2021 Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Alexander von Gluck, kallisti5@unixzen.com
 */
#ifndef __DEV_UART_PL011_H
#define __DEV_UART_PL011_H


#include <sys/types.h>

#include <SupportDefs.h>

#include <arch/generic/debug_uart.h>


#define UART_KIND_PL011 "pl011"


class ArchUARTPL011 : public DebugUART {
public:
                                                        ArchUARTPL011(addr_t base, int64 clock);
                                                        ~ArchUARTPL011();

                        void                    InitEarly();
                        void                    InitPort(uint32 baud);

                        void                    Enable();
                        void                    Disable();

                        int                             PutChar(char c);
                        int                             GetChar(bool wait);

                        void                    FlushTx();
                        void                    FlushRx();

private:
                        void                    Out32(int reg, uint32 value);
                        uint32                  In32(int reg);
        virtual void                    Barrier();
};


ArchUARTPL011 *arch_get_uart_pl011(addr_t base, int64 clock);


#endif