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musicpal: QOM cast cleanup for musicpal_key_state

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Introduce a type constant, use QOM casts, rename the parent field and
prepare for QOM realize.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-07-24 01:38:59 +02:00
parent 7012d4b46b
commit 3bdf5327c9
1 changed files with 15 additions and 7 deletions
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22
hw/arm/musicpal.c
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@ -1436,8 +1436,15 @@ static const TypeInfo musicpal_gpio_info = {
#define MP_KEY_BTN_VOLUME (1 << 6)
#define MP_KEY_BTN_NAVIGATION (1 << 7)
#define TYPE_MUSICPAL_KEY "musicpal_key"
#define MUSICPAL_KEY(obj) \
OBJECT_CHECK(musicpal_key_state, (obj), TYPE_MUSICPAL_KEY)
typedef struct musicpal_key_state {
SysBusDevice busdev;
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
MemoryRegion iomem;
uint32_t kbd_extended;
uint32_t pressed_keys;
@ -1521,17 +1528,18 @@ static void musicpal_key_event(void *opaque, int keycode)
s->kbd_extended = 0;
}
static int musicpal_key_init(SysBusDevice *dev)
static int musicpal_key_init(SysBusDevice *sbd)
{
musicpal_key_state *s = FROM_SYSBUS(musicpal_key_state, dev);
DeviceState *dev = DEVICE(sbd);
musicpal_key_state *s = MUSICPAL_KEY(dev);
memory_region_init(&s->iomem, OBJECT(s), "dummy", 0);
sysbus_init_mmio(dev, &s->iomem);
sysbus_init_mmio(sbd, &s->iomem);
s->kbd_extended = 0;
s->pressed_keys = 0;
qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out));
qemu_add_kbd_event_handler(musicpal_key_event, s);
@ -1560,7 +1568,7 @@ static void musicpal_key_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo musicpal_key_info = {
.name = "musicpal_key",
.name = TYPE_MUSICPAL_KEY,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(musicpal_key_state),
.class_init = musicpal_key_class_init,
@ -1684,7 +1692,7 @@ static void musicpal_init(QEMUMachineInitArgs *args)
i2c = (i2c_bus *)qdev_get_child_bus(i2c_dev, "i2c");
lcd_dev = sysbus_create_simple(TYPE_MUSICPAL_LCD, MP_LCD_BASE, NULL);
key_dev = sysbus_create_simple("musicpal_key", -1, NULL);
key_dev = sysbus_create_simple(TYPE_MUSICPAL_KEY, -1, NULL);
/* I2C read data */
qdev_connect_gpio_out(i2c_dev, 0,