xref: /openbmc/qemu/include/hw/isa/superio.h (revision 448058aa)
1 /*
2  * Generic ISA Super I/O
3  *
4  * Copyright (c) 2018 Philippe Mathieu-Daudé
5  *
6  * This work is licensed under the terms of the GNU GPL, version 2 or 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 "sysemu/sysemu.h"
14 #include "hw/isa/isa.h"
15 #include "qom/object.h"
16 
17 #define TYPE_ISA_SUPERIO "isa-superio"
18 typedef struct ISASuperIOClass ISASuperIOClass;
19 typedef struct ISASuperIODevice ISASuperIODevice;
20 DECLARE_OBJ_CHECKERS(ISASuperIODevice, ISASuperIOClass,
21                      ISA_SUPERIO, TYPE_ISA_SUPERIO)
22 
23 #define SUPERIO_MAX_SERIAL_PORTS 4
24 
25 struct ISASuperIODevice {
26     /*< private >*/
27     ISADevice parent_obj;
28     /*< public >*/
29 
30     ISADevice *parallel[MAX_PARALLEL_PORTS];
31     ISADevice *serial[SUPERIO_MAX_SERIAL_PORTS];
32     ISADevice *floppy;
33     ISADevice *kbc;
34     ISADevice *ide;
35 };
36 
37 typedef struct ISASuperIOFuncs {
38     size_t count;
39     bool (*is_enabled)(ISASuperIODevice *sio, uint8_t index);
40     uint16_t (*get_iobase)(ISASuperIODevice *sio, uint8_t index);
41     unsigned int (*get_irq)(ISASuperIODevice *sio, uint8_t index);
42     unsigned int (*get_dma)(ISASuperIODevice *sio, uint8_t index);
43 } ISASuperIOFuncs;
44 
45 struct ISASuperIOClass {
46     /*< private >*/
47     ISADeviceClass parent_class;
48     /*< public >*/
49     DeviceRealize parent_realize;
50 
51     ISASuperIOFuncs parallel;
52     ISASuperIOFuncs serial;
53     ISASuperIOFuncs floppy;
54     ISASuperIOFuncs ide;
55 };
56 
57 #define TYPE_FDC37M81X_SUPERIO  "fdc37m81x-superio"
58 #define TYPE_SMC37C669_SUPERIO  "smc37c669-superio"
59 
60 #endif /* HW_ISA_SUPERIO_H */
61