1 | /* |
2 | * QEMU IRQ/GPIO common code. |
3 | * |
4 | * Copyright (c) 2016 Alistair Francis <alistair@alistair23.me>. |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal |
8 | * in the Software without restriction, including without limitation the rights |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
10 | * copies of the Software, and to permit persons to whom the Software is |
11 | * furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
22 | * THE SOFTWARE. |
23 | */ |
24 | |
25 | #ifndef HW_OR_IRQ_H |
26 | #define HW_OR_IRQ_H |
27 | |
28 | #include "hw/sysbus.h" |
29 | #include "qom/object.h" |
30 | |
31 | #define TYPE_OR_IRQ "or-irq" |
32 | |
33 | /* This can safely be increased if necessary without breaking |
34 | * migration compatibility (as long as it remains greater than 15). |
35 | */ |
36 | #define MAX_OR_LINES 32 |
37 | |
38 | typedef struct OrIRQState qemu_or_irq; |
39 | |
40 | #define OR_IRQ(obj) OBJECT_CHECK(qemu_or_irq, (obj), TYPE_OR_IRQ) |
41 | |
42 | struct OrIRQState { |
43 | DeviceState parent_obj; |
44 | |
45 | qemu_irq out_irq; |
46 | bool levels[MAX_OR_LINES]; |
47 | uint16_t num_lines; |
48 | }; |
49 | |
50 | #endif |
51 | |