xref: /qemu/include/hw/isa/superio.h (revision 4c3119a6e3ea7bdab718015b6f5176cfaf52f7ce)
1 /*
2  * Generic ISA Super I/O
3  *
4  * Copyright (c) 2018 Philippe Mathieu-Daudé
5  *
6  * This code is licensed under the GNU GPLv2 and later.
7  * See the COPYING file in the top-level directory.
8  * SPDX-License-Identifier: GPL-2.0-or-later
9  */
10 #ifndef HW_ISA_SUPERIO_H
11 #define HW_ISA_SUPERIO_H
12 
13 #include "qemu-common.h"
14 #include "sysemu/sysemu.h"
15 #include "hw/isa/isa.h"
16 
17 #define TYPE_ISA_SUPERIO "isa-superio"
18 #define ISA_SUPERIO(obj) \
19     OBJECT_CHECK(ISASuperIODevice, (obj), TYPE_ISA_SUPERIO)
20 #define ISA_SUPERIO_GET_CLASS(obj) \
21     OBJECT_GET_CLASS(ISASuperIOClass, (obj), TYPE_ISA_SUPERIO)
22 #define ISA_SUPERIO_CLASS(klass) \
23     OBJECT_CLASS_CHECK(ISASuperIOClass, (klass), TYPE_ISA_SUPERIO)
24 
25 typedef struct ISASuperIODevice {
26     /*< private >*/
27     ISADevice parent_obj;
28     /*< public >*/
29 
30     ISADevice *parallel[MAX_PARALLEL_PORTS];
31 } ISASuperIODevice;
32 
33 typedef struct ISASuperIOFuncs {
34     size_t count;
35     bool (*is_enabled)(ISASuperIODevice *sio, uint8_t index);
36     uint16_t (*get_iobase)(ISASuperIODevice *sio, uint8_t index);
37     unsigned int (*get_irq)(ISASuperIODevice *sio, uint8_t index);
38     unsigned int (*get_dma)(ISASuperIODevice *sio, uint8_t index);
39 } ISASuperIOFuncs;
40 
41 typedef struct ISASuperIOClass {
42     /*< private >*/
43     ISADeviceClass parent_class;
44     /*< public >*/
45     DeviceRealize parent_realize;
46 
47     ISASuperIOFuncs parallel;
48 } ISASuperIOClass;
49 
50 #endif /* HW_ISA_SUPERIO_H */
51