xref: /openbmc/qemu/hw/char/parallel-isa.c (revision 135b03cb)
1 /*
2  * QEMU Parallel PORT (ISA bus helpers)
3  *
4  * These functions reside in a separate file since they also might be
5  * required for linking when compiling QEMU without CONFIG_PARALLEL.
6  *
7  * Copyright (c) 2003 Fabrice Bellard
8  *
9  * SPDX-License-Identifier: MIT
10  */
11 
12 #include "qemu/osdep.h"
13 #include "sysemu/sysemu.h"
14 #include "hw/isa/isa.h"
15 #include "hw/qdev-properties.h"
16 #include "hw/char/parallel.h"
17 
18 static void parallel_init(ISABus *bus, int index, Chardev *chr)
19 {
20     DeviceState *dev;
21     ISADevice *isadev;
22 
23     isadev = isa_create(bus, "isa-parallel");
24     dev = DEVICE(isadev);
25     qdev_prop_set_uint32(dev, "index", index);
26     qdev_prop_set_chr(dev, "chardev", chr);
27     qdev_init_nofail(dev);
28 }
29 
30 void parallel_hds_isa_init(ISABus *bus, int n)
31 {
32     int i;
33 
34     assert(n <= MAX_PARALLEL_PORTS);
35 
36     for (i = 0; i < n; i++) {
37         if (parallel_hds[i]) {
38             parallel_init(bus, i, parallel_hds[i]);
39         }
40     }
41 }
42