xref: /openbmc/qemu/include/hw/rtc/goldfish_rtc.h (revision 64f7aece)
1 /*
2  * Goldfish virtual platform RTC
3  *
4  * Copyright (C) 2019 Western Digital Corporation or its affiliates.
5  *
6  * For more details on Google Goldfish virtual platform refer:
7  * https://android.googlesource.com/platform/external/qemu/+/master/docs/GOLDFISH-VIRTUAL-HARDWARE.TXT
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms and conditions of the GNU General Public License,
11  * version 2 or later, as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope it will be useful, but WITHOUT
14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
16  * more details.
17  *
18  * You should have received a copy of the GNU General Public License along with
19  * this program.  If not, see <http://www.gnu.org/licenses/>.
20  */
21 
22 #ifndef HW_RTC_GOLDFISH_RTC_H
23 #define HW_RTC_GOLDFISH_RTC_H
24 
25 #include "hw/sysbus.h"
26 #include "qom/object.h"
27 
28 #define TYPE_GOLDFISH_RTC "goldfish_rtc"
29 typedef struct GoldfishRTCState GoldfishRTCState;
30 DECLARE_INSTANCE_CHECKER(GoldfishRTCState, GOLDFISH_RTC,
31                          TYPE_GOLDFISH_RTC)
32 
33 struct GoldfishRTCState {
34     SysBusDevice parent_obj;
35 
36     MemoryRegion iomem;
37     QEMUTimer *timer;
38     qemu_irq irq;
39 
40     uint64_t tick_offset;
41     uint64_t tick_offset_vmstate;
42     uint64_t alarm_next;
43     uint32_t alarm_running;
44     uint32_t irq_pending;
45     uint32_t irq_enabled;
46     uint32_t time_high;
47 };
48 
49 #endif
50