maru_overlay : Added the reset functions

Initialize variables related to the overlay device state
when the device is rebooting.

Change-Id: I4a3871b56d551210c1adee94a099ee35fe8c825d
Signed-off-by: Jinhyung Jo <jinhyung.jo@samsung.com>

diff --git a/tizen/src/hw/maru_overlay.c b/tizen/src/hw/maru_overlay.c
index ebe77ac..e075f5e 100644 (file)
--- a/tizen/src/hw/maru_overlay.c
+++ b/tizen/src/hw/maru_overlay.c
@@ -222,10 +222,38 @@ static int overlay_initfn(PCIDevice *dev)
     /* memory #1 memory-mapped I/O */
     pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->mem_addr);
     pci_register_bar(&s->dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio_addr);
+    INFO("<%s>\n", __func__);
 
     return 0;
 }
 
+static void overlay_reset(DeviceState *d)
+{
+    memset(overlay_ptr, 0x00, OVERLAY_MEM_SIZE);
+
+    overlay0_power = overlay1_power = 0;
+    overlay0_left = overlay0_top = overlay0_width = overlay0_height = 0;
+    overlay1_left = overlay1_top = overlay1_width = overlay1_height = 0;
+    if (overlay0_image) {
+        pixman_image_unref(overlay0_image);
+        overlay0_image = NULL;
+    }
+    if (overlay1_image) {
+        pixman_image_unref(overlay1_image);
+        overlay1_image = NULL;
+    }
+    INFO("<%s>\n", __func__);
+}
+
+static void overlay_exitfn(PCIDevice *dev)
+{
+    OverlayState *s = DO_UPCAST(OverlayState, dev, dev);
+
+    memory_region_destroy(&s->mem_addr);
+    memory_region_destroy(&s->mmio_addr);
+    INFO("<%s>\n", __func__);
+}
+
 DeviceState *pci_maru_overlay_init(PCIBus *bus)
 {
     INFO("Maru overlay was initailized!\n");
@@ -234,10 +262,13 @@ DeviceState *pci_maru_overlay_init(PCIBus *bus)
 
 static void overlay_classinit(ObjectClass *klass, void *data)
 {
+    DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
     k->no_hotplug = 1;
     k->init = overlay_initfn;
+    k->exit = overlay_exitfn;
+    dc->reset = overlay_reset;
 }
 
 static TypeInfo overlay_info = {