[PATCH v2 38/40] pckbd: don't use legacy ps2_mouse_init() function

[Mark Cave-Ayland]

Instantiate the PS2 mouse device within KBDState using
object_initialize_child() in i8042_initfn() and i8042_mmio_init() and realize
it in i8042_realizefn() and i8042_mmio_realize() accordingly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/input/pckbd.c         | 27 +++++++++++++++++++--------
 include/hw/input/i8042.h |  2 +-
 2 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c
index cb452f2612..0fc1af403e 100644
--- a/hw/input/pckbd.c
+++ b/hw/input/pckbd.c
@@ -286,7 +286,7 @@ static void kbd_queue(KBDState *s, int b, int aux)
         s->pending |= aux ? KBD_PENDING_CTRL_AUX : KBD_PENDING_CTRL_KBD;
         kbd_safe_update_irq(s);
     } else {
-        ps2_queue(aux ? s->mouse : PS2_DEVICE(&s->ps2kbd), b);
+        ps2_queue(aux ? PS2_DEVICE(&s->ps2mouse) : PS2_DEVICE(&s->ps2kbd), b);
     }
 }
 
@@ -410,7 +410,7 @@ static uint64_t kbd_read_data(void *opaque, hwaddr addr,
             }
             s->obdata = ps2_read_data(PS2_DEVICE(&s->ps2kbd));
         } else if (s->obsrc & KBD_OBSRC_MOUSE) {
-            s->obdata = ps2_read_data(s->mouse);
+            s->obdata = ps2_read_data(PS2_DEVICE(&s->ps2mouse));
         } else if (s->obsrc & KBD_OBSRC_CTRL) {
             s->obdata = kbd_dequeue(s);
         }
@@ -459,7 +459,7 @@ static void kbd_write_data(void *opaque, hwaddr addr,
         outport_write(s, val);
         break;
     case KBD_CCMD_WRITE_MOUSE:
-        ps2_write_mouse(s->mouse, val);
+        ps2_write_mouse(&s->ps2mouse, val);
         /* sending data to the mouse reenables PS/2 communication */
         s->mode &= ~KBD_MODE_DISABLE_MOUSE;
         kbd_safe_update_irq(s);
@@ -704,12 +704,15 @@ static void i8042_mmio_realize(DeviceState *dev, Error 
**errp)
         return;
     }
 
+    if (!sysbus_realize(SYS_BUS_DEVICE(&ks->ps2mouse), errp)) {
+        return;
+    }
+
     qdev_connect_gpio_out(DEVICE(&ks->ps2kbd), PS2_DEVICE_IRQ,
                           qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq",
                                                  0));
 
-    ks->mouse = ps2_mouse_init();
-    qdev_connect_gpio_out(DEVICE(ks->mouse), PS2_DEVICE_IRQ,
+    qdev_connect_gpio_out(DEVICE(&ks->ps2mouse), PS2_DEVICE_IRQ,
                           qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq",
                                                  0));
 }
@@ -722,6 +725,8 @@ static void i8042_mmio_init(Object *obj)
     ks->extended_state = true;
 
     object_initialize_child(obj, "ps2kbd", &ks->ps2kbd, TYPE_PS2_KBD_DEVICE);
+    object_initialize_child(obj, "ps2mouse", &ks->ps2mouse,
+                            TYPE_PS2_MOUSE_DEVICE);
 
     qdev_init_gpio_out(DEVICE(obj), ks->irqs, 2);
     qdev_init_gpio_in_named(DEVICE(obj), i8042_mmio_set_kbd_irq,
@@ -785,7 +790,7 @@ void i8042_isa_mouse_fake_event(ISAKBDState *isa)
 {
     KBDState *s = &isa->kbd;
 
-    ps2_mouse_fake_event(s->mouse);
+    ps2_mouse_fake_event(&s->ps2mouse);
 }
 
 void i8042_setup_a20_line(ISADevice *dev, qemu_irq a20_out)
@@ -859,6 +864,8 @@ static void i8042_initfn(Object *obj)
                           "i8042-cmd", 1);
 
     object_initialize_child(obj, "ps2kbd", &s->ps2kbd, TYPE_PS2_KBD_DEVICE);
+    object_initialize_child(obj, "ps2mouse", &s->ps2mouse,
+                            TYPE_PS2_MOUSE_DEVICE);
 
     qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1);
 
@@ -901,10 +908,14 @@ static void i8042_realizefn(DeviceState *dev, Error 
**errp)
                           qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq",
                                                  0));
 
-    s->mouse = ps2_mouse_init();
-    qdev_connect_gpio_out(DEVICE(s->mouse), PS2_DEVICE_IRQ,
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->ps2mouse), errp)) {
+        return;
+    }
+
+    qdev_connect_gpio_out(DEVICE(&s->ps2mouse), PS2_DEVICE_IRQ,
                           qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq",
                                                  0));
+
     if (isa_s->kbd_throttle && !isa_s->kbd.extended_state) {
         warn_report(TYPE_I8042 ": can't enable kbd-throttle without"
                     " extended-state, disabling kbd-throttle");
diff --git a/include/hw/input/i8042.h b/include/hw/input/i8042.h
index 8beb0ac01f..e199f1ece8 100644
--- a/include/hw/input/i8042.h
+++ b/include/hw/input/i8042.h
@@ -32,7 +32,7 @@ typedef struct KBDState {
     uint8_t cbdata;
     uint8_t pending_tmp;
     PS2KbdState ps2kbd;
-    void *mouse;
+    PS2MouseState ps2mouse;
     QEMUTimer *throttle_timer;
 
     qemu_irq irqs[2];
-- 
2.30.2