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
  15 #define TYPE_BCM2835_AUX "bcm2835-aux"
  16 #define BCM2835_AUX(obj) OBJECT_CHECK(BCM2835AuxState, (obj), TYPE_BCM2835_AUX)
  17
  18 #define BCM2835_AUX_RX_FIFO_LEN 8
  19
  20 typedef struct {
  21     /*< private >*/
  22     SysBusDevice parent_obj;
  23     /*< public >*/
  24
  25     MemoryRegion iomem;
  26     CharBackend chr;
  27     qemu_irq irq;
  28
  29     uint8_t read_fifo[BCM2835_AUX_RX_FIFO_LEN];
  30     uint8_t read_pos, read_count;
  31     uint8_t ier, iir;
  32 } BCM2835AuxState;
  33
  34 #endif