5e9c2a8dac
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>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* Raspberry Pi emulation (c) 2012 Gregory Estrade
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* Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
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*
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* Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
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* Written by Andrew Baumann
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*
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* This code is licensed under the GNU GPLv2 and later.
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*/
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#ifndef BCM2835_FB_H
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#define BCM2835_FB_H
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#include "hw/sysbus.h"
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#include "exec/address-spaces.h"
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#include "ui/console.h"
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#define TYPE_BCM2835_FB "bcm2835-fb"
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#define BCM2835_FB(obj) OBJECT_CHECK(BCM2835FBState, (obj), TYPE_BCM2835_FB)
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typedef struct {
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/*< private >*/
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SysBusDevice busdev;
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/*< public >*/
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uint32_t vcram_base, vcram_size;
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MemoryRegion *dma_mr;
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AddressSpace dma_as;
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MemoryRegion iomem;
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MemoryRegionSection fbsection;
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QemuConsole *con;
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qemu_irq mbox_irq;
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bool lock, invalidate, pending;
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uint32_t xres, yres;
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uint32_t xres_virtual, yres_virtual;
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uint32_t xoffset, yoffset;
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uint32_t bpp;
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uint32_t base, pitch, size;
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uint32_t pixo, alpha;
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} BCM2835FBState;
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void bcm2835_fb_reconfigure(BCM2835FBState *s, uint32_t *xres, uint32_t *yres,
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uint32_t *xoffset, uint32_t *yoffset, uint32_t *bpp,
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uint32_t *pixo, uint32_t *alpha);
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#endif
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