xref: /openbmc/qemu/include/hw/rtc/goldfish_rtc.h (revision 19f70347)
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 
27 #define TYPE_GOLDFISH_RTC "goldfish_rtc"
28 #define GOLDFISH_RTC(obj) \
29     OBJECT_CHECK(GoldfishRTCState, (obj), TYPE_GOLDFISH_RTC)
30 
31 typedef struct GoldfishRTCState {
32     SysBusDevice parent_obj;
33 
34     MemoryRegion iomem;
35     QEMUTimer *timer;
36     qemu_irq irq;
37 
38     uint64_t tick_offset;
39     uint64_t tick_offset_vmstate;
40     uint64_t alarm_next;
41     uint32_t alarm_running;
42     uint32_t irq_pending;
43     uint32_t irq_enabled;
44 } GoldfishRTCState;
45 
46 #endif
47