ps2: QOMify PS2State

Make PS2State a new abstract PS2_DEVICE QOM type to represent the common
functionality shared between PS2 keyboard and mouse devices.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220624134109.881989-3-mark.cave-ayland@ilande.co.uk>

1 files changed, 28 insertions, 0 deletions

diff --git a/hw/input/ps2.c b/hw/input/ps2.c
index 67dd2ec..514e55c 100644
--- a/hw/input/ps2.c
+++ b/hw/input/ps2.c
@@ -24,6 +24,7 @@
 
 #include "qemu/osdep.h"
 #include "qemu/log.h"
+#include "hw/sysbus.h"
 #include "hw/input/ps2.h"
 #include "migration/vmstate.h"
 #include "ui/console.h"
@@ -96,12 +97,17 @@ typedef struct {
 } PS2Queue;
 
 struct PS2State {
+    SysBusDevice parent_obj;
+
     PS2Queue queue;
     int32_t write_cmd;
     void (*update_irq)(void *, int);
     void *update_arg;
 };
 
+#define TYPE_PS2_DEVICE "ps2-device"
+OBJECT_DECLARE_SIMPLE_TYPE(PS2State, PS2_DEVICE)
+
 typedef struct {
     PS2State common;
     int scan_enabled;
@@ -1277,3 +1283,25 @@ void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
     qemu_register_reset(ps2_mouse_reset, s);
     return s;
 }
+
+static void ps2_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+}
+
+static const TypeInfo ps2_info = {
+    .name          = TYPE_PS2_DEVICE,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(PS2State),
+    .class_init    = ps2_class_init,
+    .abstract      = true
+};
+
+static void ps2_register_types(void)
+{
+    type_register_static(&ps2_info);
+}
+
+type_init(ps2_register_types)