xref: /openbmc/qemu/hw/char/parallel-isa.c (revision 2055dbc1)
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 #include "qapi/error.h"
18 
19 static void parallel_init(ISABus *bus, int index, Chardev *chr)
20 {
21     DeviceState *dev;
22     ISADevice *isadev;
23 
24     isadev = isa_new("isa-parallel");
25     dev = DEVICE(isadev);
26     qdev_prop_set_uint32(dev, "index", index);
27     qdev_prop_set_chr(dev, "chardev", chr);
28     isa_realize_and_unref(isadev, bus, &error_fatal);
29 }
30 
31 void parallel_hds_isa_init(ISABus *bus, int n)
32 {
33     int i;
34 
35     assert(n <= MAX_PARALLEL_PORTS);
36 
37     for (i = 0; i < n; i++) {
38         if (parallel_hds[i]) {
39             parallel_init(bus, i, parallel_hds[i]);
40         }
41     }
42 }
43