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 #include "qom/object.h"
  15
  16 #define TYPE_RENESAS_SCI "renesas-sci"
  17 typedef struct RSCIState RSCIState;
  18 DECLARE_INSTANCE_CHECKER(RSCIState, RSCI,
  19                          TYPE_RENESAS_SCI)
  20
  21 enum {
  22     ERI = 0,
  23     RXI = 1,
  24     TXI = 2,
  25     TEI = 3,
  26     SCI_NR_IRQ = 4
  27 };
  28
  29 struct 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