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-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 } 58