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 36