xref: /openbmc/qemu/hw/char/parallel-isa.c (revision 49d755d0)
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 #include "qemu/osdep.h"
12 #include "sysemu/sysemu.h"
13 #include "hw/isa/isa.h"
14 #include "hw/char/parallel.h"
15 
16 static void parallel_init(ISABus *bus, int index, Chardev *chr)
17 {
18     DeviceState *dev;
19     ISADevice *isadev;
20 
21     isadev = isa_create(bus, "isa-parallel");
22     dev = DEVICE(isadev);
23     qdev_prop_set_uint32(dev, "index", index);
24     qdev_prop_set_chr(dev, "chardev", chr);
25     qdev_init_nofail(dev);
26 }
27 
28 void parallel_hds_isa_init(ISABus *bus, int n)
29 {
30     int i;
31 
32     assert(n <= MAX_PARALLEL_PORTS);
33 
34     for (i = 0; i < n; i++) {
35         if (parallel_hds[i]) {
36             parallel_init(bus, i, parallel_hds[i]);
37         }
38     }
39 }
40