xref: /openbmc/qemu/include/hw/display/bcm2835_fb.h (revision 77d361b1)
1 /*
2  * Raspberry Pi emulation (c) 2012 Gregory Estrade
3  * Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
4  *
5  * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
6  * Written by Andrew Baumann
7  *
8  * This code is licensed under the GNU GPLv2 and later.
9  */
10 
11 #ifndef BCM2835_FB_H
12 #define BCM2835_FB_H
13 
14 #include "hw/sysbus.h"
15 #include "ui/console.h"
16 
17 #define TYPE_BCM2835_FB "bcm2835-fb"
18 #define BCM2835_FB(obj) OBJECT_CHECK(BCM2835FBState, (obj), TYPE_BCM2835_FB)
19 
20 typedef struct {
21     /*< private >*/
22     SysBusDevice busdev;
23     /*< public >*/
24 
25     uint32_t vcram_base, vcram_size;
26     MemoryRegion *dma_mr;
27     AddressSpace dma_as;
28     MemoryRegion iomem;
29     MemoryRegionSection fbsection;
30     QemuConsole *con;
31     qemu_irq mbox_irq;
32 
33     bool lock, invalidate, pending;
34     uint32_t xres, yres;
35     uint32_t xres_virtual, yres_virtual;
36     uint32_t xoffset, yoffset;
37     uint32_t bpp;
38     uint32_t base, pitch, size;
39     uint32_t pixo, alpha;
40 } BCM2835FBState;
41 
42 void bcm2835_fb_reconfigure(BCM2835FBState *s, uint32_t *xres, uint32_t *yres,
43                             uint32_t *xoffset, uint32_t *yoffset, uint32_t *bpp,
44                             uint32_t *pixo, uint32_t *alpha);
45 
46 #endif
47