diff options
| author | Grégory ESTRADE <gregory.estrade@gmail.com> | 2016-03-16 17:06:01 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-03-16 17:42:18 +0000 |
| commit | 5e9c2a8dac19d5df0c541ea23df654062de917c0 (patch) | |
| tree | 503342c81471bea8000ba46031bfbd1db51ed0a5 /include/hw | |
| parent | 97398d900caaccbf1b6cc53a80581b69687757e7 (diff) | |
bcm2835_fb: add framebuffer device for Raspberry Pi
The framebuffer occupies the upper portion of memory (64MiB by
default), but it can only be controlled/configured via a system
mailbox or property channel (to be added by a subsequent patch).
Signed-off-by: Grégory ESTRADE <gregory.estrade@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Message-id: 1457467526-8840-4-git-send-email-Andrew.Baumann@microsoft.com
[AB: added Windows (BGR) support and cleanup/refactoring for upstream submission]
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/arm/bcm2835_peripherals.h | 2 | ||||
| -rw-r--r-- | include/hw/display/bcm2835_fb.h | 47 |
2 files changed, 49 insertions, 0 deletions
diff --git a/include/hw/arm/bcm2835_peripherals.h b/include/hw/arm/bcm2835_peripherals.h index 889adf56b3..e19d360e5a 100644 --- a/include/hw/arm/bcm2835_peripherals.h +++ b/include/hw/arm/bcm2835_peripherals.h @@ -15,6 +15,7 @@ #include "exec/address-spaces.h" #include "hw/sysbus.h" #include "hw/char/bcm2835_aux.h" +#include "hw/display/bcm2835_fb.h" #include "hw/intc/bcm2835_ic.h" #include "hw/misc/bcm2835_property.h" #include "hw/misc/bcm2835_mbox.h" @@ -35,6 +36,7 @@ typedef struct BCM2835PeripheralState { SysBusDevice *uart0; BCM2835AuxState aux; + BCM2835FBState fb; BCM2835ICState ic; BCM2835PropertyState property; BCM2835MboxState mboxes; diff --git a/include/hw/display/bcm2835_fb.h b/include/hw/display/bcm2835_fb.h new file mode 100644 index 0000000000..9a12d7afa2 --- /dev/null +++ b/include/hw/display/bcm2835_fb.h @@ -0,0 +1,47 @@ +/* + * Raspberry Pi emulation (c) 2012 Gregory Estrade + * Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous + * + * Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft + * Written by Andrew Baumann + * + * This code is licensed under the GNU GPLv2 and later. + */ + +#ifndef BCM2835_FB_H +#define BCM2835_FB_H + +#include "hw/sysbus.h" +#include "exec/address-spaces.h" +#include "ui/console.h" + +#define TYPE_BCM2835_FB "bcm2835-fb" +#define BCM2835_FB(obj) OBJECT_CHECK(BCM2835FBState, (obj), TYPE_BCM2835_FB) + +typedef struct { + /*< private >*/ + SysBusDevice busdev; + /*< public >*/ + + uint32_t vcram_base, vcram_size; + MemoryRegion *dma_mr; + AddressSpace dma_as; + MemoryRegion iomem; + MemoryRegionSection fbsection; + QemuConsole *con; + qemu_irq mbox_irq; + + bool lock, invalidate, pending; + uint32_t xres, yres; + uint32_t xres_virtual, yres_virtual; + uint32_t xoffset, yoffset; + uint32_t bpp; + uint32_t base, pitch, size; + uint32_t pixo, alpha; +} BCM2835FBState; + +void bcm2835_fb_reconfigure(BCM2835FBState *s, uint32_t *xres, uint32_t *yres, + uint32_t *xoffset, uint32_t *yoffset, uint32_t *bpp, + uint32_t *pixo, uint32_t *alpha); + +#endif |