From 501f062e91ca97dfbeaa5148be59d6a27448c9d8 Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Fri, 24 Jun 2022 14:41:03 +0100 Subject: [PATCH] lasips2: add QEMU interface comment This describes the LASI PS2 device interface implemented within QEMU. Signed-off-by: Mark Cave-Ayland Message-Id: <20220624134109.881989-49-mark.cave-ayland@ilande.co.uk> Reviewed-by: Peter Maydell --- include/hw/input/lasips2.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/hw/input/lasips2.h b/include/hw/input/lasips2.h index 7e4437b925..03f0c9e9f9 100644 --- a/include/hw/input/lasips2.h +++ b/include/hw/input/lasips2.h @@ -4,6 +4,20 @@ * Copyright (c) 2019 Sven Schnelle * */ + +/* + * QEMU interface: + * + sysbus MMIO region 0: MemoryRegion defining the LASI PS2 keyboard + * registers + * + sysbus MMIO region 1: MemoryRegion defining the LASI PS2 mouse + * registers + * + sysbus IRQ 0: LASI PS2 output irq + * + 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 + */ + #ifndef HW_INPUT_LASIPS2_H #define HW_INPUT_LASIPS2_H