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99494e696e
This adds the system mailboxes which are used to communicate with a number of GPU peripherals on Pi/Pi2. Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
39 lines
808 B
C
39 lines
808 B
C
/*
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* Raspberry Pi emulation (c) 2012 Gregory Estrade
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* This code is licensed under the GNU GPLv2 and later.
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*/
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#ifndef BCM2835_MBOX_H
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#define BCM2835_MBOX_H
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#include "bcm2835_mbox_defs.h"
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#include "hw/sysbus.h"
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#include "exec/address-spaces.h"
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#define TYPE_BCM2835_MBOX "bcm2835-mbox"
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#define BCM2835_MBOX(obj) \
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OBJECT_CHECK(BCM2835MboxState, (obj), TYPE_BCM2835_MBOX)
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typedef struct {
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uint32_t reg[MBOX_SIZE];
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uint32_t count;
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uint32_t status;
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uint32_t config;
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} BCM2835Mbox;
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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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MemoryRegion *mbox_mr;
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AddressSpace mbox_as;
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MemoryRegion iomem;
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qemu_irq arm_irq;
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bool mbox_irq_disabled;
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bool available[MBOX_CHAN_COUNT];
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BCM2835Mbox mbox[2];
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} BCM2835MboxState;
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#endif
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