diff options
| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2022-06-24 14:41:05 +0100 |
|---|---|---|
| committer | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2022-06-26 18:40:12 +0100 |
| commit | 57de3c1d35605f3f29c332585d9c4b49503d6639 (patch) | |
| tree | 7ce9e88fd3f028cc9fdadb9aeb0395f25cc859e0 /include/hw/input/i8042.h | |
| parent | cb663a81c1a81adacd3c6201d6b236346c7ea911 (diff) | |
pckbd: add QEMU interface comment for I8042_MMIO device
This describes the I8042_MMIO device interface implemented within QEMU.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20220624134109.881989-51-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/input/i8042.h')
| -rw-r--r-- | include/hw/input/i8042.h | 11 |
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) |