| 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 "system/system.h" |
| 14 | #include "hw/isa/isa.h" |
| 15 | #include "hw/core/qdev-properties.h" |
| 16 | #include "hw/char/parallel-isa.h" |
| 17 | #include "hw/char/parallel.h" |
| 18 | #include "qapi/error.h" |
| 19 | |
| 20 | static void parallel_init(ISABus *bus, int index, Chardev *chr) |
| 21 | { |
| 22 | DeviceState *dev; |
| 23 | ISADevice *isadev; |
| 24 | |
| 25 | isadev = isa_new(TYPE_ISA_PARALLEL); |
| 26 | dev = DEVICE(isadev); |
| 27 | qdev_prop_set_uint32(dev, "index", index); |
| 28 | qdev_prop_set_chr(dev, "chardev", chr); |
| 29 | isa_realize_and_unref(isadev, bus, &error_fatal); |
| 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 | } |
| 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 | } |