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bb3d5ea8 PMD |
1 | /* |
2 | * QEMU Parallel PORT (ISA bus helpers) | |
3 | * | |
3e3fdad6 TH |
4 | * These functions reside in a separate file since they also might be |
5 | * required for linking when compiling QEMU without CONFIG_PARALLEL. | |
6 | * | |
bb3d5ea8 PMD |
7 | * Copyright (c) 2003 Fabrice Bellard |
8 | * | |
9 | * SPDX-License-Identifier: MIT | |
10 | */ | |
a27bd6c7 | 11 | |
bb3d5ea8 PMD |
12 | #include "qemu/osdep.h" |
13 | #include "sysemu/sysemu.h" | |
14 | #include "hw/isa/isa.h" | |
a27bd6c7 | 15 | #include "hw/qdev-properties.h" |
9cc44d9b | 16 | #include "hw/char/parallel-isa.h" |
bb3d5ea8 | 17 | #include "hw/char/parallel.h" |
96927c74 | 18 | #include "qapi/error.h" |
bb3d5ea8 PMD |
19 | |
20 | static void parallel_init(ISABus *bus, int index, Chardev *chr) | |
21 | { | |
22 | DeviceState *dev; | |
23 | ISADevice *isadev; | |
24 | ||
963e94a9 | 25 | isadev = isa_new(TYPE_ISA_PARALLEL); |
bb3d5ea8 PMD |
26 | dev = DEVICE(isadev); |
27 | qdev_prop_set_uint32(dev, "index", index); | |
28 | qdev_prop_set_chr(dev, "chardev", chr); | |
96927c74 | 29 | isa_realize_and_unref(isadev, bus, &error_fatal); |
bb3d5ea8 PMD |
30 | } |
31 | ||
32 | void parallel_hds_isa_init(ISABus *bus, int n) | |
33 | { | |
34 | int i; | |
35 | ||
36 | assert(n <= MAX_PARALLEL_PORTS); | |
37 | ||
38 | for (i = 0; i < n; i++) { | |
39 | if (parallel_hds[i]) { | |
40 | parallel_init(bus, i, parallel_hds[i]); | |
41 | } | |
42 | } | |
43 | } | |
1d1afd9f BB |
44 | |
45 | void isa_parallel_set_iobase(ISADevice *parallel, hwaddr iobase) | |
46 | { | |
47 | ISAParallelState *s = ISA_PARALLEL(parallel); | |
48 | ||
49 | parallel->ioport_id = iobase; | |
50 | s->iobase = iobase; | |
51 | portio_list_set_address(&s->portio_list, s->iobase); | |
52 | } | |
53 | ||
54 | void isa_parallel_set_enabled(ISADevice *parallel, bool enabled) | |
55 | { | |
56 | portio_list_set_enabled(&ISA_PARALLEL(parallel)->portio_list, enabled); | |
57 | } |