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-rw-r--r--include/hw/input/i8042.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/hw/input/i8042.h b/include/hw/input/i8042.h
index 4ba2664377..d4747b62b8 100644
--- a/include/hw/input/i8042.h
+++ b/include/hw/input/i8042.h
@@ -52,6 +52,17 @@ struct ISAKBDState {
uint8_t mouse_irq;
};
+/*
+ * QEMU interface:
+ * + sysbus MMIO region 0: MemoryRegion defining the command/status/data
+ * registers (access determined by mask property and access type)
+ * + Named GPIO input "ps2-kbd-input-irq": set to 1 if the downstream PS2
+ * keyboard device has asserted its irq
+ * + Named GPIO input "ps2-mouse-input-irq": set to 1 if the downstream PS2
+ * mouse device has asserted its irq
+ * + Unnamed GPIO output 0-1: i8042 output irqs for keyboard (0) or mouse (1)
+ */
+
#define TYPE_I8042_MMIO "i8042-mmio"
OBJECT_DECLARE_SIMPLE_TYPE(MMIOKBDState, I8042_MMIO)