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 #define SUPERIO_MAX_SERIAL_PORTS 4
26 
27 typedef struct ISASuperIODevice {
28     /*< private >*/
29     ISADevice parent_obj;
30     /*< public >*/
31 
32     ISADevice *parallel[MAX_PARALLEL_PORTS];
33     ISADevice *serial[SUPERIO_MAX_SERIAL_PORTS];
34     ISADevice *floppy;
35     ISADevice *kbc;
36     ISADevice *ide;
37 } ISASuperIODevice;
38 
39 typedef struct ISASuperIOFuncs {
40     size_t count;
41     bool (*is_enabled)(ISASuperIODevice *sio, uint8_t index);
42     uint16_t (*get_iobase)(ISASuperIODevice *sio, uint8_t index);
43     unsigned int (*get_irq)(ISASuperIODevice *sio, uint8_t index);
44     unsigned int (*get_dma)(ISASuperIODevice *sio, uint8_t index);
45 } ISASuperIOFuncs;
46 
47 typedef struct ISASuperIOClass {
48     /*< private >*/
49     ISADeviceClass parent_class;
50     /*< public >*/
51     DeviceRealize parent_realize;
52 
53     ISASuperIOFuncs parallel;
54     ISASuperIOFuncs serial;
55     ISASuperIOFuncs floppy;
56     ISASuperIOFuncs ide;
57 } ISASuperIOClass;
58 
59 #define TYPE_FDC37M81X_SUPERIO  "fdc37m81x-superio"
60 #define TYPE_SMC37C669_SUPERIO  "smc37c669-superio"
61 
62 #endif /* HW_ISA_SUPERIO_H */
63