xref: /openbmc/qemu/include/hw/char/digic-uart.h (revision 8fa3b702)
1 /*
2  * Canon DIGIC UART block declarations.
3  *
4  * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  */
17 
18 #ifndef HW_CHAR_DIGIC_UART_H
19 #define HW_CHAR_DIGIC_UART_H
20 
21 #include "hw/sysbus.h"
22 #include "chardev/char-fe.h"
23 #include "qom/object.h"
24 
25 #define TYPE_DIGIC_UART "digic-uart"
26 typedef struct DigicUartState DigicUartState;
27 DECLARE_INSTANCE_CHECKER(DigicUartState, DIGIC_UART,
28                          TYPE_DIGIC_UART)
29 
30 enum {
31     R_TX = 0x00,
32     R_RX,
33     R_ST = (0x14 >> 2),
34     R_MAX
35 };
36 
37 struct DigicUartState {
38     /*< private >*/
39     SysBusDevice parent_obj;
40     /*< public >*/
41 
42     MemoryRegion regs_region;
43     CharBackend chr;
44 
45     uint32_t reg_rx;
46     uint32_t reg_st;
47 };
48 
49 #endif /* HW_CHAR_DIGIC_UART_H */
50