From: giwoong.kim <giwoong.kim@samsung.com>
Date: Mon, 17 Sep 2012 07:49:17 +0000 (+0900)
Subject: [Title] notify the touch driver to accept events in mloop
X-Git-Tag: TizenStudio_2.0_p2.3~1311
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=21996e215eb19f2cd23fa1e5b4f86c4975427250;p=sdk%2Femulator%2Fqemu.git

[Title] notify the touch driver to accept events in mloop
[Type] feature
[Module] Emulator / touch
[Priority] major
[Jira#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]
---

diff --git a/input.c b/input.c
index 8087d76..ad57eb4 100644
--- a/input.c
+++ b/input.c
@@ -189,7 +189,7 @@ void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
         /* if mouse event is wheelup ,wheeldown or move
            then go to ps2 mouse event(index == 0) */
         if((buttons_state > 3  && entry->index == 0)) {
-            INFO("input device: %s, event: %d\n", entry->qemu_put_mouse_event_name, buttons_state);
+            //INFO("input device: %s, event: %d\n", entry->qemu_put_mouse_event_name, buttons_state);
             buttons_state = 0; 
             mouse_event = entry->qemu_put_mouse_event;
             mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
@@ -201,7 +201,7 @@ void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
         entry = QTAILQ_FIRST(&mouse_handlers);
         mouse_event = entry->qemu_put_mouse_event;
         mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
-        INFO("input device: %s, event: %d\n", entry->qemu_put_mouse_event_name, buttons_state);
+        //INFO("input device: %s, event: %d\n", entry->qemu_put_mouse_event_name, buttons_state);
     }
 #else
     entry = QTAILQ_FIRST(&mouse_handlers);
diff --git a/tizen/src/hw/maru_virtio_touchscreen.c b/tizen/src/hw/maru_virtio_touchscreen.c
index f79e34e..dfd4ed3 100644
--- a/tizen/src/hw/maru_virtio_touchscreen.c
+++ b/tizen/src/hw/maru_virtio_touchscreen.c
@@ -31,13 +31,14 @@
 #include "console.h"
 #include "maru_virtio_touchscreen.h"
 #include "maru_device_ids.h"
+#include "mloop_event.h"
 #include "debug_ch.h"
 
 MULTI_DEBUG_CHANNEL(qemu, touchscreen);
 
 
 #define DEVICE_NAME "virtio-touchscreen"
-#define MAX_TOUCH_EVENT_CNT 128
+#define MAX_TOUCH_EVENT_CNT 16
 
 /* This structure must match the kernel definitions */
 typedef struct EmulTouchEvent {
@@ -71,25 +72,21 @@ typedef struct TouchscreenState
 TouchscreenState *ts;
 
 
-// lock for between communication thread and IO thread
-//static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
+/* lock for between communication thread and IO thread */
+static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 
 void virtio_touchscreen_event(void *opaque, int x, int y, int z, int buttons_state)
 {
     TouchEventEntry *entry = NULL;
-    TouchscreenState *ts = opaque;
-    VirtQueueElement elem;
 
-    //pthread_mutex_lock(&event_mutex);
+    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
 
     entry = &(_events_buf[ringbuf_cnt % MAX_TOUCH_EVENT_CNT]);
     ringbuf_cnt++;
@@ -101,15 +98,11 @@ void virtio_touchscreen_event(void *opaque, int x, int y, int z, int buttons_sta
     entry->touch.z = z;
     entry->touch.state = buttons_state;
 
-    //QTAILQ_INSERT_TAIL(&events_queue, entry, node);
+    QTAILQ_INSERT_TAIL(&events_queue, entry, node);
 
-    /* virtio */
-    virtqueue_pop(ts->vq, &elem);
-    memcpy(elem.in_sg[0].iov_base, &(entry->touch), sizeof(EmulTouchEvent));
-    virtqueue_push(ts->vq, &elem, 0);
-    virtio_notify(&(ts->vdev), ts->vq);
+    pthread_mutex_unlock(&event_mutex);
 
-    //pthread_mutex_unlock(&event_mutex);
+    mloop_evcmd_touch();
 
     INFO("touch event (%d) : x=%d, y=%d, z=%d, state=%d\n",
         entry->index, entry->touch.x, entry->touch.y, entry->touch.z, entry->touch.state);
@@ -140,6 +133,34 @@ static void maru_virtio_touchscreen_handle(VirtIODevice *vdev, VirtQueue *vq)
 
 }
 
+void maru_virtio_touchscreen_notify(void)
+{
+    TouchEventEntry *entry = NULL;
+    VirtQueueElement elem;
+
+    INFO("maru_virtio_touchscreen_notify\n");
+
+    /* get from virtio queue */
+    virtqueue_pop(ts->vq, &elem);
+
+    pthread_mutex_lock(&event_mutex);
+
+    /* get from host event queue */
+    entry = QTAILQ_FIRST(&events_queue);
+    /* copy host event into virtio queue */
+    memcpy(elem.in_sg[0].iov_base, &(entry->touch), sizeof(EmulTouchEvent));
+    /* remove host event */
+    QTAILQ_REMOVE(&events_queue, entry, node);
+    queue_cnt--;
+
+    pthread_mutex_unlock(&event_mutex);
+
+    /* put into virtio queue */
+    virtqueue_push(ts->vq, &elem, 0);
+    /* notify to guest */
+    virtio_notify(&(ts->vdev), ts->vq);
+}
+
 static uint32_t virtio_touchscreen_get_features(VirtIODevice *vdev, uint32_t request_features)
 {
     // TODO:
diff --git a/tizen/src/hw/maru_virtio_touchscreen.h b/tizen/src/hw/maru_virtio_touchscreen.h
index 3a2c123..536f0f1 100644
--- a/tizen/src/hw/maru_virtio_touchscreen.h
+++ b/tizen/src/hw/maru_virtio_touchscreen.h
@@ -33,6 +33,7 @@
 #include "virtio.h"
 
 void virtio_touchscreen_event(void *opaque, int x, int y, int z, int buttons_state);
+void maru_virtio_touchscreen_notify(void);
 
 
 #endif /* MARU_TOUCHSCREEN_H_ */
diff --git a/tizen/src/mloop_event.c b/tizen/src/mloop_event.c
index 3d4570e..aadb33a 100644
--- a/tizen/src/mloop_event.c
+++ b/tizen/src/mloop_event.c
@@ -67,9 +67,11 @@ struct mloop_evpack {
 #define MLOOP_EVTYPE_USB_DEL    2
 #define MLOOP_EVTYPE_INTR_UP    3
 #define MLOOP_EVTYPE_INTR_DOWN  4
-#define MLLOP_EVTYPE_HWKEY      5
+#define MLOOP_EVTYPE_HWKEY      5
+#define MLOOP_EVTYPE_TOUCH      6
 
-static struct mloop_evsock mloop = {-1,0,0};
+
+static struct mloop_evsock mloop = {-1, 0, 0};
 
 static int mloop_evsock_create(struct mloop_evsock *ev)
 {
@@ -241,8 +243,8 @@ static void mloop_evhandle_intr_down(long data)
 
 static void mloop_evhandle_hwkey(struct mloop_evpack* pack)
 {
-    int event_type;
-    int keycode;
+    int event_type = 0;
+    int keycode = 0;
 
     memcpy(&event_type, pack->data, sizeof(int));
     memcpy(&keycode, pack->data + sizeof(int), sizeof(int));
@@ -260,6 +262,11 @@ static void mloop_evhandle_hwkey(struct mloop_evpack* pack)
     }
 }
 
+static void mloop_evhandle_touch(struct mloop_evpack* pack)
+{
+    maru_virtio_touchscreen_notify();
+}
+
 static void mloop_evcb_recv(struct mloop_evsock *ev)
 {
     struct mloop_evpack pack;
@@ -297,9 +304,12 @@ static void mloop_evcb_recv(struct mloop_evsock *ev)
     case MLOOP_EVTYPE_INTR_DOWN:
         mloop_evhandle_intr_down(ntohl(*(long*)&pack.data[0]));
         break;
-    case MLLOP_EVTYPE_HWKEY:
+    case MLOOP_EVTYPE_HWKEY:
         mloop_evhandle_hwkey(&pack);
         break;
+    case MLOOP_EVTYPE_TOUCH:
+        mloop_evhandle_touch(&pack);
+        break;
     default:
         break;
     }
@@ -387,7 +397,7 @@ void mloop_evcmd_hwkey(int event_type, int keycode)
 {
     struct mloop_evpack pack;
 
-    pack.type = htons(MLLOP_EVTYPE_HWKEY);
+    pack.type = htons(MLOOP_EVTYPE_HWKEY);
     pack.size = htons(5 + 8); //TODO: ?
 
     memcpy(pack.data, &event_type, sizeof(int));
@@ -397,3 +407,13 @@ void mloop_evcmd_hwkey(int event_type, int keycode)
     mloop_evsock_send(&mloop, &pack);
 }
 
+void mloop_evcmd_touch(void)
+{
+    struct mloop_evpack pack;
+    memset(&pack, 0, sizeof(struct mloop_evpack));
+
+    pack.type = htons(MLOOP_EVTYPE_TOUCH);
+    pack.size = htons(5);
+    mloop_evsock_send(&mloop, &pack);
+}
+
diff --git a/tizen/src/mloop_event.h b/tizen/src/mloop_event.h
index ce0ff3e..7fb8434 100644
--- a/tizen/src/mloop_event.h
+++ b/tizen/src/mloop_event.h
@@ -47,6 +47,7 @@ void mloop_evcmd_raise_intr(void *irq);
 void mloop_evcmd_lower_intr(void *irq);
 
 void mloop_evcmd_hwkey(int event_type, int keycode);
+void mloop_evcmd_touch(void);
 
 #ifdef __cplusplus
 }