qemu

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bcm2835_aux.h (769B)

      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