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 35