include/hw/char/digic-uart.h

   1 /*
   2  * Canon DIGIC UART block declarations.
   3  *
   4  * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17
  18 #ifndef HW_CHAR_DIGIC_UART_H
  19 #define HW_CHAR_DIGIC_UART_H
  20
  21 #include "hw/sysbus.h"
  22 #include "chardev/char-fe.h"
  23 #include "qom/object.h"
  24
  25 #define TYPE_DIGIC_UART "digic-uart"
  26 typedef struct DigicUartState DigicUartState;
  27 DECLARE_INSTANCE_CHECKER(DigicUartState, DIGIC_UART,
  28                          TYPE_DIGIC_UART)
  29
  30 enum {
  31     R_TX = 0x00,
  32     R_RX,
  33     R_ST = (0x14 >> 2),
  34     R_MAX
  35 };
  36
  37 struct DigicUartState {
  38     /*< private >*/
  39     SysBusDevice parent_obj;
  40     /*< public >*/
  41
  42     MemoryRegion regs_region;
  43     CharBackend chr;
  44
  45     uint32_t reg_rx;
  46     uint32_t reg_st;
  47 };
  48
  49 #endif /* HW_CHAR_DIGIC_UART_H */