include/hw/char/bcm2835_aux.h

   1 /*
   2  * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
   3  * Written by Andrew Baumann
   4  *
   5  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   6  * See the COPYING file in the top-level directory.
   7  */
   8
   9 #ifndef BCM2835_AUX_H
  10 #define BCM2835_AUX_H
  11
  12 #include "hw/sysbus.h"
  13 #include "chardev/char-fe.h"
  14 #include "qom/object.h"
  15
  16 #define TYPE_BCM2835_AUX "bcm2835-aux"
  17 OBJECT_DECLARE_SIMPLE_TYPE(BCM2835AuxState, BCM2835_AUX)
  18
  19 #define BCM2835_AUX_RX_FIFO_LEN 8
  20
  21 struct BCM2835AuxState {
  22     /*< private >*/
  23     SysBusDevice parent_obj;
  24     /*< public >*/
  25
  26     MemoryRegion iomem;
  27     CharBackend chr;
  28     qemu_irq irq;
  29
  30     uint8_t read_fifo[BCM2835_AUX_RX_FIFO_LEN];
  31     uint8_t read_pos, read_count;
  32     uint8_t ier, iir;
  33 };
  34
  35 #endif