include/hw/char/goldfish_tty.h

   1 /*
   2  * SPDX-License-Identifier: GPL-2.0-or-later
   3  *
   4  * Goldfish TTY
   5  *
   6  * (c) 2020 Laurent Vivier <laurent@vivier.eu>
   7  *
   8  */
   9
  10 #ifndef HW_CHAR_GOLDFISH_TTY_H
  11 #define HW_CHAR_GOLDFISH_TTY_H
  12
  13 #include "qemu/fifo8.h"
  14 #include "chardev/char-fe.h"
  15 #include "hw/sysbus.h"
  16
  17 #define TYPE_GOLDFISH_TTY "goldfish_tty"
  18 OBJECT_DECLARE_SIMPLE_TYPE(GoldfishTTYState, GOLDFISH_TTY)
  19
  20 #define GOLFISH_TTY_BUFFER_SIZE 128
  21
  22 struct GoldfishTTYState {
  23     SysBusDevice parent_obj;
  24
  25     MemoryRegion iomem;
  26     qemu_irq irq;
  27     CharBackend chr;
  28
  29     uint32_t data_len;
  30     uint64_t data_ptr;
  31     bool int_enabled;
  32
  33     Fifo8 rx_fifo;
  34 };
  35
  36 #endif