| 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/core/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 | CharFrontend 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 |