hw/char/parallel-isa.c

   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 }