xref: /openbmc/qemu/include/hw/misc/bcm2835_mbox.h (revision 64f7aece)
1 /*
2  * Raspberry Pi emulation (c) 2012 Gregory Estrade
3  *
4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
5  * See the COPYING file in the top-level directory.
6  */
7 
8 #ifndef BCM2835_MBOX_H
9 #define BCM2835_MBOX_H
10 
11 #include "bcm2835_mbox_defs.h"
12 #include "hw/sysbus.h"
13 #include "qom/object.h"
14 
15 #define TYPE_BCM2835_MBOX "bcm2835-mbox"
16 typedef struct BCM2835MboxState BCM2835MboxState;
17 DECLARE_INSTANCE_CHECKER(BCM2835MboxState, BCM2835_MBOX,
18                          TYPE_BCM2835_MBOX)
19 
20 typedef struct {
21     uint32_t reg[MBOX_SIZE];
22     uint32_t count;
23     uint32_t status;
24     uint32_t config;
25 } BCM2835Mbox;
26 
27 struct BCM2835MboxState {
28     /*< private >*/
29     SysBusDevice busdev;
30     /*< public >*/
31     MemoryRegion *mbox_mr;
32     AddressSpace mbox_as;
33     MemoryRegion iomem;
34     qemu_irq arm_irq;
35 
36     bool mbox_irq_disabled;
37     bool available[MBOX_CHAN_COUNT];
38     BCM2835Mbox mbox[2];
39 };
40 
41 #endif
42