#include "blockdev.h"
#include "virtio-pci.h"
#include "range.h"
+#ifdef CONFIG_MARU
+#include "../tizen/src/hw/maru_pci_ids.h"
+#endif
/* from Linux's linux/virtio_pci.h */
}
#endif
+#ifdef CONFIG_MARU
+static int maru_virtio_touchscreen_init_pci(PCIDevice *pci_dev)
+{
+ VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
+ VirtIODevice *vdev;
+
+ vdev = maru_virtio_touchscreen_init(&pci_dev->qdev);
+ if (!vdev) {
+ return -1;
+ }
+ virtio_init_pci(proxy, vdev);
+ return 0;
+}
+
+static int maru_virtio_touchscreen_exit_pci(PCIDevice *pci_dev)
+{
+ VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
+
+ virtio_pci_stop_ioeventfd(proxy);
+ maru_virtio_touchscreen_exit(proxy->vdev);
+ return virtio_exit_pci(pci_dev);
+}
+#endif
+
+
static PCIDeviceInfo virtio_info[] = {
{
.qdev.name = "virtio-blk-pci",
.qdev.reset = virtio_pci_reset,
},{
#endif
+
+#ifdef CONFIG_MARU
+ .qdev.name = "virtio-touchscreen-pci",
+ .qdev.alias = "virtio-touchscreen",
+ .qdev.size = sizeof(VirtIOPCIProxy),
+ .init = maru_virtio_touchscreen_init_pci,
+ .exit = maru_virtio_touchscreen_exit_pci,
+ .vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET,
+ .device_id = PCI_DEVICE_ID_VIRTUAL_TOUCHSCREEN,
+ .revision = VIRTIO_PCI_ABI_VERSION,
+ .class_id = PCI_CLASS_OTHERS,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_END_OF_LIST(),
+ },
+ .qdev.reset = virtio_pci_reset,
+ },{
+#endif
+
/* end of list */
}
};
--- /dev/null
+/*
+ * Maru Virtual Virtio Touchscreen emulation
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Contact:
+ * GiWoong Kim <giwoong.kim@samsung.com>
+ * YeongKyoon Lee <yeongkyoon.lee@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributors:
+ * - S-Core Co., Ltd
+ *
+ */
+
+
+#include <pthread.h>
+#include "maru_virtio_touchscreen.h"
+#include "maru_pci_ids.h"
+#include "debug_ch.h"
+
+MULTI_DEBUG_CHANNEL(qemu, touchscreen);
+
+
+#define DEVICE_NAME "virtio-touchscreen"
+#define MAX_TOUCH_EVENT_CNT 128
+
+/* This structure must match the kernel definitions */
+typedef struct EmulTouchState {
+ uint16_t x, y, z;
+ uint8_t state;
+} EmulTouchState;
+
+typedef struct TouchEventEntry {
+ int index;
+ EmulTouchState touch;
+
+ QTAILQ_ENTRY(TouchEventEntry) node;
+} TouchEventEntry;
+
+static TouchEventEntry _events_buf[MAX_TOUCH_EVENT_CNT];
+static QTAILQ_HEAD(, TouchEventEntry) events_queue =
+ QTAILQ_HEAD_INITIALIZER(events_queue);
+
+static unsigned int ringbuf_cnt; // _events_buf
+static unsigned int queue_cnt; // events_queue
+
+
+typedef struct TouchscreenState
+{
+ VirtIODevice *vdev;
+ VirtQueue *vq;
+
+ // TODO:
+ unsigned int *queue_cnt;
+} TouchscreenState;
+TouchscreenState touchscreen_state;
+
+typedef struct VirtIOTouchscreen
+{
+ VirtIODevice vdev;
+ VirtQueue *vq;
+ DeviceState *qdev;
+
+ TouchscreenState *dev_state;
+} VirtIOTouchscreen;
+
+
+// lock for between communication thread and IO thread
+static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+void maru_mouse_to_touchevent(int x, int y, int z, int buttons_state)
+{
+ TouchEventEntry *te = NULL;
+
+ pthread_mutex_lock(&event_mutex);
+
+ if (queue_cnt >= MAX_TOUCH_EVENT_CNT) {
+ pthread_mutex_unlock(&event_mutex);
+ INFO("full touch event queue, lose event\n", queue_cnt);
+ return;
+ }
+
+ 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;
+ te->touch.y = y;
+ te->touch.z = z;
+ te->touch.state = buttons_state;
+
+ 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",
+ te->index, te->touch.x, te->touch.y, te->touch.z, te->touch.state);
+
+ // TODO:
+
+ virtio_notify(touchscreen_state.vdev, touchscreen_state.vq);
+}
+
+static void maru_virtio_touchscreen_handle(VirtIODevice *vdev, VirtQueue *vq)
+{
+}
+
+static uint32_t virtio_touchscreen_get_features(VirtIODevice *vdev, uint32_t request_features)
+{
+ // TODO:
+ return request_features;
+}
+
+VirtIODevice *maru_virtio_touchscreen_init(DeviceState *dev)
+{
+ VirtIOTouchscreen *s = NULL;
+
+ INFO("initialize the touchscreen device\n");
+ s = (VirtIOTouchscreen *)virtio_common_init(DEVICE_NAME,
+ VIRTIO_ID_TOUCHSCREEN, 0 /*check*/, sizeof(VirtIOTouchscreen));
+
+ if (s == NULL) {
+ ERR("failed to initialize the touchscreen device\n");
+ return NULL;
+ }
+
+ s->vdev.get_features = virtio_touchscreen_get_features;
+ s->vq = virtio_add_queue(&s->vdev, 128 /*check*/, maru_virtio_touchscreen_handle);
+
+ s->qdev = dev;
+
+ touchscreen_state.vdev = &(s->vdev);
+ touchscreen_state.vq = s->vq;
+ s->dev_state = &touchscreen_state;
+ /* reset the event counter */
+ queue_cnt = ringbuf_cnt = 0;
+
+ return &s->vdev;
+}
+
+void maru_virtio_touchscreen_exit(VirtIODevice *vdev)
+{
+ //VirtIOTouchscreen *s = DO_UPCAST(VirtIOTouchscreen, vdev, vdev);
+
+ virtio_cleanup(vdev);
+}
+
+#if 0 // moved to virtio-pci.c
+static void virtio_register_touchscreen(void)
+{
+ pci_qdev_register(virtio_info);
+}
+
+device_init(virtio_register_touchscreen);
+#endif
--- /dev/null
+/*
+ * Maru Virtual Virtio Touchscreen emulation
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Contact:
+ * GiWoong Kim <giwoong.kim@samsung.com>
+ * YeongKyoon Lee <yeongkyoon.lee@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributors:
+ * - S-Core Co., Ltd
+ *
+ */
+
+
+#ifndef MARU_TOUCHSCREEN_H_
+#define MARU_TOUCHSCREEN_H_
+
+#include "virtio.h"
+
+void maru_mouse_to_touchevent(int x, int y, int z, int buttons_state);
+
+#endif /* MARU_TOUCHSCREEN_H_ */
projects / sdk / emulator / qemu.git / commitdiff