From 1ed949ea97c548731c11f2ebe1570b0e8fe52480 Mon Sep 17 00:00:00 2001
From: "giwoong.kim" <giwoong.kim@samsung.com>
Date: Mon, 20 Aug 2012 21:51:47 +0900
Subject: [PATCH] [Title] added virtqueue to virtio_touchscreen dev [Type]
 feature [Module] Emulator / touch [Priority] major [Jira#] [Redmine#]
 [Problem] [Cause] [Solution] [TestCase]

---
 tizen/src/hw/maru_virtio_touchscreen.c | 21 +++++++++++++++++----
 tizen/src/hw/maru_virtio_touchscreen.h |  2 +-
 tizen/src/skin/maruskin_operation.c    |  8 ++++++++
 3 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/tizen/src/hw/maru_virtio_touchscreen.c b/tizen/src/hw/maru_virtio_touchscreen.c
index cc8981fb84..c79034be79 100644
--- a/tizen/src/hw/maru_virtio_touchscreen.c
+++ b/tizen/src/hw/maru_virtio_touchscreen.c
@@ -82,21 +82,25 @@ typedef struct VirtIOTouchscreen
 // lock for between communication thread and IO thread
 static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
 
+VirtQueueElement elem;
 void maru_mouse_to_touchevent(int x, int y, int z, int buttons_state)
 {
     TouchEventEntry *te = NULL;
 
     pthread_mutex_lock(&event_mutex);
 
+#if 0
     if (queue_cnt >= MAX_TOUCH_EVENT_CNT) {
         pthread_mutex_unlock(&event_mutex);
         INFO("full touch event queue, lose event\n", queue_cnt);
         return;
     }
+#endif
 
     te = &(_events_buf[ringbuf_cnt % MAX_TOUCH_EVENT_CNT]);
     ringbuf_cnt++;
 
+
     /* mouse event is copied into the queue */
     te->index = ++queue_cnt; // 1 ~
     te->touch.x = x;
@@ -104,20 +108,29 @@ void maru_mouse_to_touchevent(int x, int y, int z, int buttons_state)
     te->touch.z = z;
     te->touch.state = buttons_state;
 
-    QTAILQ_INSERT_TAIL(&events_queue, te, node);
+    //QTAILQ_INSERT_TAIL(&events_queue, te, node);
 
     pthread_mutex_unlock(&event_mutex);
 
-    TRACE("touch event (%d) : x=%d, y=%d, z=%d, state=%d\n",
+    INFO("touch event (%d) : x=%d, y=%d, z=%d, state=%d\n",
             te->index, te->touch.x, te->touch.y, te->touch.z, te->touch.state);
 
     // TODO:
-
+    memcpy(elem.in_sg[0].iov_base, &(te->touch), sizeof(EmulTouchState));
+    virtqueue_push(touchscreen_state.vq, &elem, 0);
     virtio_notify(touchscreen_state.vdev, touchscreen_state.vq);
 }
 
 static void maru_virtio_touchscreen_handle(VirtIODevice *vdev, VirtQueue *vq)
 {
+    EmulTouchState touch;
+    INFO("maru_virtio_touchscreen_handle\n");
+
+    virtqueue_pop(vq, &elem);
+    memcpy(&touch, elem.in_sg[0].iov_base, sizeof(EmulTouchState));
+
+    INFO("!!!! x=%d, y=%d, z=%d, state=%d\n",
+            touch.x, touch.y, touch.z, touch.state);
 }
 
 static uint32_t virtio_touchscreen_get_features(VirtIODevice *vdev, uint32_t request_features)
@@ -140,7 +153,7 @@ VirtIODevice *maru_virtio_touchscreen_init(DeviceState *dev)
     }
 
     s->vdev.get_features = virtio_touchscreen_get_features;
-    s->vq = virtio_add_queue(&s->vdev, 128 /*check*/, maru_virtio_touchscreen_handle);
+    s->vq = virtio_add_queue(&s->vdev, 128, maru_virtio_touchscreen_handle);
 
     s->qdev = dev;
 
diff --git a/tizen/src/hw/maru_virtio_touchscreen.h b/tizen/src/hw/maru_virtio_touchscreen.h
index c5a42b5ad3..bc647be734 100644
--- a/tizen/src/hw/maru_virtio_touchscreen.h
+++ b/tizen/src/hw/maru_virtio_touchscreen.h
@@ -25,7 +25,7 @@
  * - S-Core Co., Ltd
  *
  */
- 
+
 
 #ifndef MARU_TOUCHSCREEN_H_
 #define MARU_TOUCHSCREEN_H_
diff --git a/tizen/src/skin/maruskin_operation.c b/tizen/src/skin/maruskin_operation.c
index 786db82772..1f2fe353de 100644
--- a/tizen/src/skin/maruskin_operation.c
+++ b/tizen/src/skin/maruskin_operation.c
@@ -100,9 +100,17 @@ void do_mouse_event( int event_type, int origin_x, int origin_y, int x, int y, i
 
     /* single touch */
     if (MOUSE_DOWN == event_type || MOUSE_DRAG == event_type) {
+#if 1
         kbd_mouse_event(x, y, z, 1);
+#else
+        maru_mouse_to_touchevent(x, y, z, 1);
+#endif
     } else if (MOUSE_UP == event_type) {
+#if 1
         kbd_mouse_event(x, y, z, 0);
+#else
+        maru_mouse_to_touchevent(x, y, z, 0);
+#endif
     } else {
         ERR("undefined mouse event type:%d\n", event_type);
     }
-- 
2.34.1