i2c: Allow I2C devices to NAK start events

[qemu.git] / hw / display / jazz_led.c

diff --git a/hw/display/jazz_led.c b/hw/display/jazz_led.c
index 6306d8c12c52015947662acb1a15f1218eb6e680..b72fdb17179410d6ef5bbc1eb4e3914fe907be2b 100644 (file)
--- a/hw/display/jazz_led.c
+++ b/hw/display/jazz_led.c
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "ui/console.h"
 #include "ui/pixel_ops.h"
@@ -32,8 +33,12 @@ typedef enum {
     REDRAW_NONE = 0, REDRAW_SEGMENTS = 1, REDRAW_BACKGROUND = 2,
 } screen_state_t;
 
+#define TYPE_JAZZ_LED "jazz-led"
+#define JAZZ_LED(obj) OBJECT_CHECK(LedState, (obj), TYPE_JAZZ_LED)
+
 typedef struct LedState {
-    SysBusDevice busdev;
+    SysBusDevice parent_obj;
+
     MemoryRegion iomem;
     uint8_t segments;
     QemuConsole *con;
@@ -169,6 +174,7 @@ static void jazz_led_update_display(void *opaque)
             case 16:
                 color_segment = rgb_to_pixel16(0xaa, 0xaa, 0xaa);
                 color_led = rgb_to_pixel16(0x00, 0xff, 0x00);
+                break;
             case 24:
                 color_segment = rgb_to_pixel24(0xaa, 0xaa, 0xaa);
                 color_led = rgb_to_pixel24(0x00, 0xff, 0x00);
@@ -228,8 +234,10 @@ static void jazz_led_text_update(void *opaque, console_ch_t *chardata)
 
     /* TODO: draw the segments */
     snprintf(buf, 2, "%02hhx\n", s->segments);
-    console_write_ch(chardata++, 0x00200100 | buf[0]);
-    console_write_ch(chardata++, 0x00200100 | buf[1]);
+    console_write_ch(chardata++, ATTR2CHTYPE(buf[0], QEMU_COLOR_BLUE,
+                                             QEMU_COLOR_BLACK, 1));
+    console_write_ch(chardata++, ATTR2CHTYPE(buf[1], QEMU_COLOR_BLUE,
+                                             QEMU_COLOR_BLACK, 1));
 
     dpy_text_update(s->con, 0, 0, 2, 1);
 }
@@ -246,7 +254,6 @@ static const VMStateDescription vmstate_jazz_led = {
     .name = "jazz-led",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = jazz_led_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT8(segments, LedState),
@@ -260,21 +267,25 @@ static const GraphicHwOps jazz_led_ops = {
     .text_update = jazz_led_text_update,
 };
 
-static int jazz_led_init(SysBusDevice *dev)
+static void jazz_led_init(Object *obj)
 {
-    LedState *s = FROM_SYSBUS(LedState, dev);
+    LedState *s = JAZZ_LED(obj);
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);
 
-    memory_region_init_io(&s->iomem, &led_ops, s, "led", 1);
+    memory_region_init_io(&s->iomem, obj, &led_ops, s, "led", 1);
     sysbus_init_mmio(dev, &s->iomem);
+}
 
-    s->con = graphic_console_init(&jazz_led_ops, s);
+static void jazz_led_realize(DeviceState *dev, Error **errp)
+{
+    LedState *s = JAZZ_LED(dev);
 
-    return 0;
+    s->con = graphic_console_init(dev, 0, &jazz_led_ops, s);
 }
 
 static void jazz_led_reset(DeviceState *d)
 {
-    LedState *s = DO_UPCAST(LedState, busdev.qdev, d);
+    LedState *s = JAZZ_LED(d);
 
     s->segments = 0;
     s->state = REDRAW_SEGMENTS | REDRAW_BACKGROUND;
@@ -284,18 +295,18 @@ static void jazz_led_reset(DeviceState *d)
 static void jazz_led_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 
-    k->init = jazz_led_init;
     dc->desc = "Jazz LED display",
     dc->vmsd = &vmstate_jazz_led;
     dc->reset = jazz_led_reset;
+    dc->realize = jazz_led_realize;
 }
 
 static const TypeInfo jazz_led_info = {
-    .name          = "jazz-led",
+    .name          = TYPE_JAZZ_LED,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(LedState),
+    .instance_init = jazz_led_init,
     .class_init    = jazz_led_class_init,
 };