diff options
Diffstat (limited to 'hw/i2c/bitbang_i2c.c')
| -rw-r--r-- | hw/i2c/bitbang_i2c.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/hw/i2c/bitbang_i2c.c b/hw/i2c/bitbang_i2c.c index 853d455a35..ca59456d16 100644 --- a/hw/i2c/bitbang_i2c.c +++ b/hw/i2c/bitbang_i2c.c @@ -185,8 +185,13 @@ bitbang_i2c_interface *bitbang_i2c_init(i2c_bus *bus) } /* GPIO interface. */ -typedef struct { - SysBusDevice busdev; + +#define TYPE_GPIO_I2C "gpio_i2c" +#define GPIO_I2C(obj) OBJECT_CHECK(GPIOI2CState, (obj), TYPE_GPIO_I2C) + +typedef struct GPIOI2CState { + SysBusDevice parent_obj; + MemoryRegion dummy_iomem; bitbang_i2c_interface *bitbang; int last_level; @@ -204,19 +209,20 @@ static void bitbang_i2c_gpio_set(void *opaque, int irq, int level) } } -static int gpio_i2c_init(SysBusDevice *dev) +static int gpio_i2c_init(SysBusDevice *sbd) { - GPIOI2CState *s = FROM_SYSBUS(GPIOI2CState, dev); + DeviceState *dev = DEVICE(sbd); + GPIOI2CState *s = GPIO_I2C(dev); i2c_bus *bus; memory_region_init(&s->dummy_iomem, OBJECT(s), "gpio_i2c", 0); - sysbus_init_mmio(dev, &s->dummy_iomem); + sysbus_init_mmio(sbd, &s->dummy_iomem); - bus = i2c_init_bus(&dev->qdev, "i2c"); + bus = i2c_init_bus(dev, "i2c"); s->bitbang = bitbang_i2c_init(bus); - qdev_init_gpio_in(&dev->qdev, bitbang_i2c_gpio_set, 2); - qdev_init_gpio_out(&dev->qdev, &s->out, 1); + qdev_init_gpio_in(dev, bitbang_i2c_gpio_set, 2); + qdev_init_gpio_out(dev, &s->out, 1); return 0; } @@ -232,7 +238,7 @@ static void gpio_i2c_class_init(ObjectClass *klass, void *data) } static const TypeInfo gpio_i2c_info = { - .name = "gpio_i2c", + .name = TYPE_GPIO_I2C, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(GPIOI2CState), .class_init = gpio_i2c_class_init, |