xref: /openbmc/qemu/include/hw/char/digic-uart.h (revision 4a09d0bb)
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 "sysemu/char.h"
23 
24 #define TYPE_DIGIC_UART "digic-uart"
25 #define DIGIC_UART(obj) \
26     OBJECT_CHECK(DigicUartState, (obj), TYPE_DIGIC_UART)
27 
28 enum {
29     R_TX = 0x00,
30     R_RX,
31     R_ST = (0x14 >> 2),
32     R_MAX
33 };
34 
35 typedef struct DigicUartState {
36     /*< private >*/
37     SysBusDevice parent_obj;
38     /*< public >*/
39 
40     MemoryRegion regs_region;
41     CharBackend chr;
42 
43     uint32_t reg_rx;
44     uint32_t reg_st;
45 } DigicUartState;
46 
47 #endif /* HW_CHAR_DIGIC_UART_H */
48