LXR qemu/include/hw/char/renesas

   1/*
   2 * Renesas Serial Communication Interface
   3 *
   4 * Copyright (c) 2018 Yoshinori Sato
   5 *
   6 * SPDX-License-Identifier: GPL-2.0-or-later
   7 */
   8
   9#ifndef HW_CHAR_RENESAS_SCI_H
  10#define HW_CHAR_RENESAS_SCI_H
  11
  12#include "chardev/char-fe.h"
  13#include "hw/sysbus.h"
  14#include "qom/object.h"
  15
  16#define TYPE_RENESAS_SCI "renesas-sci"
  17typedef struct RSCIState RSCIState;
  18DECLARE_INSTANCE_CHECKER(RSCIState, RSCI,
  19                         TYPE_RENESAS_SCI)
  20
  21enum {
  22    ERI = 0,
  23    RXI = 1,
  24    TXI = 2,
  25    TEI = 3,
  26    SCI_NR_IRQ = 4
  27};
  28
  29struct RSCIState {
  30    /*< private >*/
  31    SysBusDevice parent_obj;
  32    /*< public >*/
  33
  34    MemoryRegion memory;
  35    QEMUTimer timer;
  36    CharBackend chr;
  37    qemu_irq irq[SCI_NR_IRQ];
  38
  39    uint8_t smr;
  40    uint8_t brr;
  41    uint8_t scr;
  42    uint8_t tdr;
  43    uint8_t ssr;
  44    uint8_t rdr;
  45    uint8_t scmr;
  46    uint8_t semr;
  47
  48    uint8_t read_ssr;
  49    int64_t trtime;
  50    int64_t rx_next;
  51    uint64_t input_freq;
  52};
  53
  54#endif
  55