include/hw/char/renesas_sci.h

   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
  15 #define TYPE_RENESAS_SCI "renesas-sci"
  16 #define RSCI(obj) OBJECT_CHECK(RSCIState, (obj), TYPE_RENESAS_SCI)
  17
  18 enum {
  19     ERI = 0,
  20     RXI = 1,
  21     TXI = 2,
  22     TEI = 3,
  23     SCI_NR_IRQ = 4
  24 };
  25
  26 typedef struct {
  27     /*< private >*/
  28     SysBusDevice parent_obj;
  29     /*< public >*/
  30
  31     MemoryRegion memory;
  32     QEMUTimer timer;
  33     CharBackend chr;
  34     qemu_irq irq[SCI_NR_IRQ];
  35
  36     uint8_t smr;
  37     uint8_t brr;
  38     uint8_t scr;
  39     uint8_t tdr;
  40     uint8_t ssr;
  41     uint8_t rdr;
  42     uint8_t scmr;
  43     uint8_t semr;
  44
  45     uint8_t read_ssr;
  46     int64_t trtime;
  47     int64_t rx_next;
  48     uint64_t input_freq;
  49 } RSCIState;
  50
  51 #endif