include/hw/audio/pcspk.h

   1 /*
   2  * QEMU PC speaker emulation
   3  *
   4  * Copyright (c) 2006 Joachim Henke
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #ifndef HW_PCSPK_H
  26 #define HW_PCSPK_H
  27
  28 #include "hw/isa/isa.h"
  29 #include "hw/qdev-properties.h"
  30
  31 #define TYPE_PC_SPEAKER "isa-pcspk"
  32
  33 static inline ISADevice *pcspk_init(ISABus *bus, ISADevice *pit)
  34 {
  35     DeviceState *dev;
  36     ISADevice *isadev;
  37
  38     isadev = isa_create(bus, TYPE_PC_SPEAKER);
  39     dev = DEVICE(isadev);
  40     qdev_prop_set_uint32(dev, "iobase", 0x61);
  41     object_property_set_link(OBJECT(dev), OBJECT(pit), "pit", NULL);
  42     qdev_init_nofail(dev);
  43
  44     return isadev;
  45 }
  46
  47 #endif /* HW_PCSPK_H */