xref: /openbmc/qemu/include/hw/intc/heathrow_pic.h (revision a68694cd)
1 /*
2  * Heathrow PIC support (OldWorld PowerMac)
3  *
4  * Copyright (c) 2005-2007 Fabrice Bellard
5  * Copyright (c) 2007 Jocelyn Mayer
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this software and associated documentation files (the "Software"), to deal
9  * in the Software without restriction, including without limitation the rights
10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11  * copies of the Software, and to permit persons to whom the Software is
12  * furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23  * THE SOFTWARE.
24  */
25 
26 #ifndef HW_INTC_HEATHROW_PIC_H
27 #define HW_INTC_HEATHROW_PIC_H
28 
29 #include "hw/sysbus.h"
30 #include "qom/object.h"
31 
32 #define TYPE_HEATHROW "heathrow"
33 typedef struct HeathrowState HeathrowState;
34 DECLARE_INSTANCE_CHECKER(HeathrowState, HEATHROW,
35                          TYPE_HEATHROW)
36 
37 typedef struct HeathrowPICState {
38     uint32_t events;
39     uint32_t mask;
40     uint32_t levels;
41     uint32_t level_triggered;
42 } HeathrowPICState;
43 
44 struct HeathrowState {
45     SysBusDevice parent_obj;
46 
47     MemoryRegion mem;
48     HeathrowPICState pics[2];
49     qemu_irq irqs[1];
50 };
51 
52 #define HEATHROW_NUM_IRQS 64
53 
54 #endif /* HW_INTC_HEATHROW_PIC_H */
55