qemu

FORK: QEMU emulator
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renesas_sci.h (943B)

      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