obj-i386-y += maru_pm.o
obj-i386-y += maru_vga.o
obj-i386-y += maru_brightness.o
-obj-i386-y += maru_touchscreen.o maru_virtio_touchscreen.o
+obj-i386-y += maru_usb_touchscreen.o maru_virtio_touchscreen.o
# FIXME: camera disabled
ifndef CONFIG_DARWIN
+++ /dev/null
-/*
- * Maru Virtual USB Touchscreen emulation.
- * Based on hw/usb-wacom.c:
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
- *
- * Contact:
- * GiWoong Kim <giwoong.kim@samsung.com>
- * HyunJun Son <hj79.son@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 "maru_touchscreen.h"
-#include "debug_ch.h"
-
-MULTI_DEBUG_CHANNEL(qemu, usb_touchscreen);
-
-
-#define MAX_TOUCH_EVENT_CNT 128
-
-//lock for between communication thread and main thread
-static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
-
-static QTAILQ_HEAD(, TouchEventEntry) events_queue =
- QTAILQ_HEAD_INITIALIZER(events_queue);
-
-static unsigned int event_cnt = 0;
-static unsigned int _processed_buf_cnt = 0;
-static TouchEventEntry _event_buf[MAX_TOUCH_EVENT_CNT];
-
-/**
- * @brief : qemu touch(host mouse) event handler
- * @param opaque : state of device
- * @param x : X-axis value
- * @param y : Y-axis value
- * @param z : event id for multiple touch
- */
-static void usb_touchscreen_event(void *opaque, int x, int y, int z, int buttons_state)
-{
- TouchEventEntry *te;
- USBTouchscreenState *s = opaque;
-
- pthread_mutex_lock(&event_mutex);
- if (event_cnt >= MAX_TOUCH_EVENT_CNT) {
- pthread_mutex_unlock(&event_mutex);
- INFO("full touch event queue, lose event\n", event_cnt);
- return;
- }
-
- //using prepared memory
- te = &(_event_buf[_processed_buf_cnt % MAX_TOUCH_EVENT_CNT]);
- _processed_buf_cnt++;
-
- /* mouse event is copied into the queue */
- te->index = ++event_cnt;
- te->queue_packet.x = x;
- te->queue_packet.y = y;
- te->queue_packet.z = z;
- te->queue_packet.state = buttons_state;
-
- QTAILQ_INSERT_TAIL(&events_queue, te, node);
- s->changed = 1;
- pthread_mutex_unlock(&event_mutex);
-
- TRACE("touch event (%d) : x=%d, y=%d, z=%d, state=%d\n", te->index, x, y, z, buttons_state);
-}
-
-/**
- * @brief : fill the usb packet
- * @param s : state of device
- * @param buf : usb packet
- * @param len : size of packet
- */
-static int usb_touchscreen_poll(USBTouchscreenState *s, uint8_t *buf, int len)
-{
- USBEmulTouchscreenPacket *packet = (USBEmulTouchscreenPacket *)buf;
-
- if (s->mouse_grabbed == 0) {
- s->eh_entry = qemu_add_mouse_event_handler(usb_touchscreen_event, s, 1, "QEMU Virtual touchscreen");
- qemu_activate_mouse_event_handler(s->eh_entry);
- s->mouse_grabbed = 1;
- }
-
- if (len < EMUL_TOUCHSCREEN_PACKET_LEN) {
- return 0;
- }
-
- packet->x = s->dx & 0xffff;
- packet->y = s->dy & 0xffff;
- packet->z = s->dz & 0xffff;
-
- if (s->buttons_state == 0) {
- packet->state = 0;
- } else {
- packet->state = 1;
- }
-
- return EMUL_TOUCHSCREEN_PACKET_LEN;
-}
-
-static void usb_touchscreen_handle_reset(USBDevice *dev)
-{
- USBTouchscreenState *s = (USBTouchscreenState *) dev;
-
- pthread_mutex_lock(&event_mutex);
-
- s->dx = 0;
- s->dy = 0;
- s->dz = 0;
- s->buttons_state = 0;
-
- event_cnt = 0;
- _processed_buf_cnt = 0;
-
- pthread_mutex_unlock(&event_mutex);
-}
-
-static int usb_touchscreen_handle_control(USBDevice *dev, USBPacket *p,
- int request, int value, int index, int length, uint8_t *data)
-{
- return usb_desc_handle_control(dev, p, request, value, index, length, data);
-}
-
-/**
- * @brief : call by uhci frame timer
- * @param dev : state of device
- * @param p : usb packet
- */
-static int usb_touchscreen_handle_data(USBDevice *dev, USBPacket *p)
-{
- USBTouchscreenState *s = (USBTouchscreenState *) dev;
- uint8_t buf[p->iov.size];
- int ret = 0;
-
- switch (p->pid) {
- case USB_TOKEN_IN:
- if (p->devep == 1) {
- pthread_mutex_lock(&event_mutex);
-
- if (s->changed == 0) {
- pthread_mutex_unlock(&event_mutex);
- return USB_RET_NAK;
- }
-
- if (event_cnt != 0) {
- if (!QTAILQ_EMPTY(&events_queue)) {
- TouchEventEntry *te = QTAILQ_FIRST(&events_queue);
-
- s->dx = te->queue_packet.x;
- s->dy = te->queue_packet.y;
- s->dz = te->queue_packet.z;
- s->buttons_state = te->queue_packet.state;
-
- QTAILQ_REMOVE(&events_queue, te, node);
- event_cnt--;
- TRACE("processed touch event (%d) : x=%d, y=%d, z=%d, state=%d\n",
- te->index, s->dx, s->dy, s->dz, s->buttons_state);
-
- if (QTAILQ_EMPTY(&events_queue)) {
- s->changed = 0;
- TRACE("processed all touch events (%d)\n", event_cnt);
- }
- }
- } else {
- s->changed = 0;
- }
-
- pthread_mutex_unlock(&event_mutex);
-
- memset(buf, 0, sizeof(buf) * (p->iov.size - 1));
- ret = usb_touchscreen_poll(s, buf, p->iov.size); //write event to packet
- usb_packet_copy(p, buf, ret);
- break;
- }
- /* Fall through */
- case USB_TOKEN_OUT:
- default:
- ret = USB_RET_STALL;
- break;
- }
- return ret;
-}
-
-static void usb_touchscreen_handle_destroy(USBDevice *dev)
-{
- USBTouchscreenState *s = (USBTouchscreenState *) dev;
-
- if (s->mouse_grabbed == 1) {
- qemu_remove_mouse_event_handler(s->eh_entry);
- s->mouse_grabbed = 0;
- }
-}
-
-/**
- * @brief : initialize a touchscreen device
- * @param opaque : state of device
- */
-static int usb_touchscreen_initfn(USBDevice *dev)
-{
- USBTouchscreenState *s = DO_UPCAST(USBTouchscreenState, dev, dev);
- usb_desc_init(dev);
-
- pthread_mutex_lock(&event_mutex);
- s->changed = 1;
- pthread_mutex_unlock(&event_mutex);
-
- return 0;
-}
-
-/**
- * @brief : remove mouse handlers before loading
- * @param opaque : state of device
- */
-static int touchscreen_pre_load(void *opaque)
-{
- USBTouchscreenState *s = (USBTouchscreenState *)opaque;
-
- if (s->eh_entry) {
- qemu_remove_mouse_event_handler(s->eh_entry);
- }
-
- return 0;
-}
-
-static int touchscreen_post_load(void *opaque, int version_id)
-{
- USBTouchscreenState *s = (USBTouchscreenState *)opaque;
-
- pthread_mutex_lock(&event_mutex);
- s->changed = 1;
- pthread_mutex_unlock(&event_mutex);
-
- if (s->mouse_grabbed == 1) {
- s->eh_entry = qemu_add_mouse_event_handler(usb_touchscreen_event, s, 1, "QEMU Virtual touchscreen");
- qemu_activate_mouse_event_handler(s->eh_entry);
- }
-
- return 0;
-}
-
-static VMStateDescription vmsd_usbdevice = {
- .name = "maru-touchscreen-usbdevice",
- .version_id = 1,
- .minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .fields = (VMStateField []) {
- VMSTATE_UINT8(addr, USBDevice),
- VMSTATE_INT32(state, USBDevice),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static VMStateDescription vmsd = {
- .name = "maru-touchscreen",
- .version_id = 2,
- .minimum_version_id = 1,
- .minimum_version_id_old = 1,
- .pre_load = touchscreen_pre_load,
- .post_load = touchscreen_post_load,
- .fields = (VMStateField []) {
- VMSTATE_STRUCT(dev, USBTouchscreenState, 1, vmsd_usbdevice, USBDevice),
- VMSTATE_INT32(dx, USBTouchscreenState),
- VMSTATE_INT32(dy, USBTouchscreenState),
- VMSTATE_INT32(dz, USBTouchscreenState),
- VMSTATE_INT32(buttons_state, USBTouchscreenState),
- VMSTATE_INT8(mouse_grabbed, USBTouchscreenState),
- VMSTATE_INT8(changed, USBTouchscreenState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static struct USBDeviceInfo touchscreen_info = {
- .product_desc = "QEMU Virtual Touchscreen",
- .qdev.name = "usb-maru-touchscreen",
- .qdev.desc = "QEMU Virtual Touchscreen",
- .usbdevice_name = "maru-touchscreen",
- .usb_desc = &desc_touchscreen,
- .qdev.size = sizeof(USBTouchscreenState),
- .qdev.vmsd = &vmsd,
- .init = usb_touchscreen_initfn,
- .handle_packet = usb_generic_handle_packet,
- .handle_reset = usb_touchscreen_handle_reset,
- .handle_control = usb_touchscreen_handle_control,
- .handle_data = usb_touchscreen_handle_data,
- .handle_destroy = usb_touchscreen_handle_destroy,
-};
-
-/**
- * @brief : register a touchscreen device
- */
-static void usb_touchscreen_register_devices(void)
-{
- usb_qdev_register(&touchscreen_info);
-}
-
-device_init(usb_touchscreen_register_devices)
+++ /dev/null
-/*
- * Maru Virtual USB Touchscreen emulation.
- * Based on hw/usb-wacom.c:
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
- *
- * Contact:
- * GiWoong Kim <giwoong.kim@samsung.com>
- * HyunJun Son <hj79.son@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_TOUCH_H_
-#define MARU_TOUCH_H_
-
-#include <pthread.h>
-#include "hw.h"
-#include "console.h"
-#include "usb.h"
-#include "usb-desc.h"
-
-
-typedef struct USBTouchscreenState {
- USBDevice dev;
- QEMUPutMouseEntry *eh_entry;
-
- int32_t dx, dy, dz, buttons_state;
- int8_t mouse_grabbed;
- int8_t changed;
-} USBTouchscreenState;
-
-/* This structure must match the kernel definitions */
-typedef struct USBEmulTouchscreenPacket {
- uint16_t x, y, z;
- uint8_t state;
-} USBEmulTouchscreenPacket;
-
-
-#define EMUL_TOUCHSCREEN_PACKET_LEN 7
-#define TOUCHSCREEN_RESOLUTION_X 5040
-#define TOUCHSCREEN_RESOLUTION_Y 3780
-
-enum {
- STR_MANUFACTURER = 1,
- STR_PRODUCT,
- STR_SERIALNUMBER,
-};
-
-static const USBDescStrings desc_strings = {
- [STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
- [STR_PRODUCT] = "Maru Virtual Touchscreen",
- [STR_SERIALNUMBER] = "1",
-};
-
-static const USBDescIface desc_iface_touchscreen = {
- .bInterfaceNumber = 0,
- .bNumEndpoints = 1,
- .bInterfaceClass = USB_CLASS_HID,
- .bInterfaceSubClass = 0x01, /* boot */
- .bInterfaceProtocol = 0x02,
- .ndesc = 1,
- .descs = (USBDescOther[]) {
- {
- /* HID descriptor */
- .data = (uint8_t[]) {
- 0x09, /* u8 bLength */
- 0x21, /* u8 bDescriptorType */
- 0x01, 0x10, /* u16 HID_class */
- 0x00, /* u8 country_code */
- 0x01, /* u8 num_descriptors */
- 0x22, /* u8 type: Report */
- 0x6e, 0, /* u16 len */
- },
- },
- },
- .eps = (USBDescEndpoint[]) {
- {
- .bEndpointAddress = USB_DIR_IN | 0x01,
- .bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize = 8,
- .bInterval = 0x0a,
- },
- },
-};
-
-static const USBDescDevice desc_device_touchscreen = {
- .bcdUSB = 0x0110,
- .bMaxPacketSize0 = EMUL_TOUCHSCREEN_PACKET_LEN + 1,
- .bNumConfigurations = 1,
- .confs = (USBDescConfig[]) {
- {
- .bNumInterfaces = 1,
- .bConfigurationValue = 1,
- .bmAttributes = 0x80,
- .bMaxPower = 40,
- .nif = 1,
- .ifs = &desc_iface_touchscreen,
- },
- },
-};
-
-static const USBDesc desc_touchscreen = {
- .id = {
- .idVendor = 0x056a,
- .idProduct = 0x0000,
- .bcdDevice = 0x0010,
- .iManufacturer = STR_MANUFACTURER,
- .iProduct = STR_PRODUCT,
- .iSerialNumber = STR_SERIALNUMBER,
- },
- .full = &desc_device_touchscreen,
- .str = desc_strings,
-};
-
-typedef struct TouchEventEntry {
- USBEmulTouchscreenPacket queue_packet;
- int index;
-
- /* used internally by qemu for handling mice */
- QTAILQ_ENTRY(TouchEventEntry) node;
-} TouchEventEntry;
-
-#endif /* MARU_TOUCH_H_ */
--- /dev/null
+/*
+ * Maru Virtual USB Touchscreen emulation.
+ * Based on hw/usb-wacom.c:
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Contact:
+ * GiWoong Kim <giwoong.kim@samsung.com>
+ * HyunJun Son <hj79.son@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 "maru_usb_touchscreen.h"
+#include "debug_ch.h"
+
+MULTI_DEBUG_CHANNEL(qemu, usb_touchscreen);
+
+
+#define MAX_TOUCH_EVENT_CNT 128
+
+//lock for between communication thread and main thread
+static pthread_mutex_t event_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static QTAILQ_HEAD(, TouchEventEntry) events_queue =
+ QTAILQ_HEAD_INITIALIZER(events_queue);
+
+static unsigned int event_cnt = 0;
+static unsigned int _processed_buf_cnt = 0;
+static TouchEventEntry _event_buf[MAX_TOUCH_EVENT_CNT];
+
+/**
+ * @brief : qemu touch(host mouse) event handler
+ * @param opaque : state of device
+ * @param x : X-axis value
+ * @param y : Y-axis value
+ * @param z : event id for multiple touch
+ */
+static void usb_touchscreen_event(void *opaque, int x, int y, int z, int buttons_state)
+{
+ TouchEventEntry *te;
+ USBTouchscreenState *s = opaque;
+
+ pthread_mutex_lock(&event_mutex);
+ if (event_cnt >= MAX_TOUCH_EVENT_CNT) {
+ pthread_mutex_unlock(&event_mutex);
+ INFO("full touch event queue, lose event\n", event_cnt);
+ return;
+ }
+
+ //using prepared memory
+ te = &(_event_buf[_processed_buf_cnt % MAX_TOUCH_EVENT_CNT]);
+ _processed_buf_cnt++;
+
+ /* mouse event is copied into the queue */
+ te->index = ++event_cnt;
+ te->queue_packet.x = x;
+ te->queue_packet.y = y;
+ te->queue_packet.z = z;
+ te->queue_packet.state = buttons_state;
+
+ QTAILQ_INSERT_TAIL(&events_queue, te, node);
+ s->changed = 1;
+ pthread_mutex_unlock(&event_mutex);
+
+ TRACE("touch event (%d) : x=%d, y=%d, z=%d, state=%d\n", te->index, x, y, z, buttons_state);
+}
+
+/**
+ * @brief : fill the usb packet
+ * @param s : state of device
+ * @param buf : usb packet
+ * @param len : size of packet
+ */
+static int usb_touchscreen_poll(USBTouchscreenState *s, uint8_t *buf, int len)
+{
+ USBEmulTouchscreenPacket *packet = (USBEmulTouchscreenPacket *)buf;
+
+ if (s->mouse_grabbed == 0) {
+ s->eh_entry = qemu_add_mouse_event_handler(usb_touchscreen_event, s, 1, "QEMU Virtual touchscreen");
+ qemu_activate_mouse_event_handler(s->eh_entry);
+ s->mouse_grabbed = 1;
+ }
+
+ if (len < EMUL_TOUCHSCREEN_PACKET_LEN) {
+ return 0;
+ }
+
+ packet->x = s->dx & 0xffff;
+ packet->y = s->dy & 0xffff;
+ packet->z = s->dz & 0xffff;
+
+ if (s->buttons_state == 0) {
+ packet->state = 0;
+ } else {
+ packet->state = 1;
+ }
+
+ return EMUL_TOUCHSCREEN_PACKET_LEN;
+}
+
+static void usb_touchscreen_handle_reset(USBDevice *dev)
+{
+ USBTouchscreenState *s = (USBTouchscreenState *) dev;
+
+ pthread_mutex_lock(&event_mutex);
+
+ s->dx = 0;
+ s->dy = 0;
+ s->dz = 0;
+ s->buttons_state = 0;
+
+ event_cnt = 0;
+ _processed_buf_cnt = 0;
+
+ pthread_mutex_unlock(&event_mutex);
+}
+
+static int usb_touchscreen_handle_control(USBDevice *dev, USBPacket *p,
+ int request, int value, int index, int length, uint8_t *data)
+{
+ return usb_desc_handle_control(dev, p, request, value, index, length, data);
+}
+
+/**
+ * @brief : call by uhci frame timer
+ * @param dev : state of device
+ * @param p : usb packet
+ */
+static int usb_touchscreen_handle_data(USBDevice *dev, USBPacket *p)
+{
+ USBTouchscreenState *s = (USBTouchscreenState *) dev;
+ uint8_t buf[p->iov.size];
+ int ret = 0;
+
+ switch (p->pid) {
+ case USB_TOKEN_IN:
+ if (p->devep == 1) {
+ pthread_mutex_lock(&event_mutex);
+
+ if (s->changed == 0) {
+ pthread_mutex_unlock(&event_mutex);
+ return USB_RET_NAK;
+ }
+
+ if (event_cnt != 0) {
+ if (!QTAILQ_EMPTY(&events_queue)) {
+ TouchEventEntry *te = QTAILQ_FIRST(&events_queue);
+
+ s->dx = te->queue_packet.x;
+ s->dy = te->queue_packet.y;
+ s->dz = te->queue_packet.z;
+ s->buttons_state = te->queue_packet.state;
+
+ QTAILQ_REMOVE(&events_queue, te, node);
+ event_cnt--;
+ TRACE("processed touch event (%d) : x=%d, y=%d, z=%d, state=%d\n",
+ te->index, s->dx, s->dy, s->dz, s->buttons_state);
+
+ if (QTAILQ_EMPTY(&events_queue)) {
+ s->changed = 0;
+ TRACE("processed all touch events (%d)\n", event_cnt);
+ }
+ }
+ } else {
+ s->changed = 0;
+ }
+
+ pthread_mutex_unlock(&event_mutex);
+
+ memset(buf, 0, sizeof(buf) * (p->iov.size - 1));
+ ret = usb_touchscreen_poll(s, buf, p->iov.size); //write event to packet
+ usb_packet_copy(p, buf, ret);
+ break;
+ }
+ /* Fall through */
+ case USB_TOKEN_OUT:
+ default:
+ ret = USB_RET_STALL;
+ break;
+ }
+ return ret;
+}
+
+static void usb_touchscreen_handle_destroy(USBDevice *dev)
+{
+ USBTouchscreenState *s = (USBTouchscreenState *) dev;
+
+ if (s->mouse_grabbed == 1) {
+ qemu_remove_mouse_event_handler(s->eh_entry);
+ s->mouse_grabbed = 0;
+ }
+}
+
+/**
+ * @brief : initialize a touchscreen device
+ * @param opaque : state of device
+ */
+static int usb_touchscreen_initfn(USBDevice *dev)
+{
+ USBTouchscreenState *s = DO_UPCAST(USBTouchscreenState, dev, dev);
+ usb_desc_init(dev);
+
+ pthread_mutex_lock(&event_mutex);
+ s->changed = 1;
+ pthread_mutex_unlock(&event_mutex);
+
+ return 0;
+}
+
+/**
+ * @brief : remove mouse handlers before loading
+ * @param opaque : state of device
+ */
+static int touchscreen_pre_load(void *opaque)
+{
+ USBTouchscreenState *s = (USBTouchscreenState *)opaque;
+
+ if (s->eh_entry) {
+ qemu_remove_mouse_event_handler(s->eh_entry);
+ }
+
+ return 0;
+}
+
+static int touchscreen_post_load(void *opaque, int version_id)
+{
+ USBTouchscreenState *s = (USBTouchscreenState *)opaque;
+
+ pthread_mutex_lock(&event_mutex);
+ s->changed = 1;
+ pthread_mutex_unlock(&event_mutex);
+
+ if (s->mouse_grabbed == 1) {
+ s->eh_entry = qemu_add_mouse_event_handler(usb_touchscreen_event, s, 1, "QEMU Virtual touchscreen");
+ qemu_activate_mouse_event_handler(s->eh_entry);
+ }
+
+ return 0;
+}
+
+static VMStateDescription vmsd_usbdevice = {
+ .name = "maru-touchscreen-usbdevice",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT8(addr, USBDevice),
+ VMSTATE_INT32(state, USBDevice),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static VMStateDescription vmsd = {
+ .name = "maru-touchscreen",
+ .version_id = 2,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .pre_load = touchscreen_pre_load,
+ .post_load = touchscreen_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_STRUCT(dev, USBTouchscreenState, 1, vmsd_usbdevice, USBDevice),
+ VMSTATE_INT32(dx, USBTouchscreenState),
+ VMSTATE_INT32(dy, USBTouchscreenState),
+ VMSTATE_INT32(dz, USBTouchscreenState),
+ VMSTATE_INT32(buttons_state, USBTouchscreenState),
+ VMSTATE_INT8(mouse_grabbed, USBTouchscreenState),
+ VMSTATE_INT8(changed, USBTouchscreenState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static struct USBDeviceInfo touchscreen_info = {
+ .product_desc = "QEMU Virtual Touchscreen",
+ .qdev.name = "usb-maru-touchscreen",
+ .qdev.desc = "QEMU Virtual Touchscreen",
+ .usbdevice_name = "maru-touchscreen",
+ .usb_desc = &desc_touchscreen,
+ .qdev.size = sizeof(USBTouchscreenState),
+ .qdev.vmsd = &vmsd,
+ .init = usb_touchscreen_initfn,
+ .handle_packet = usb_generic_handle_packet,
+ .handle_reset = usb_touchscreen_handle_reset,
+ .handle_control = usb_touchscreen_handle_control,
+ .handle_data = usb_touchscreen_handle_data,
+ .handle_destroy = usb_touchscreen_handle_destroy,
+};
+
+/**
+ * @brief : register a touchscreen device
+ */
+static void usb_touchscreen_register_devices(void)
+{
+ usb_qdev_register(&touchscreen_info);
+}
+
+device_init(usb_touchscreen_register_devices)
--- /dev/null
+/*
+ * Maru Virtual USB Touchscreen emulation.
+ * Based on hw/usb-wacom.c:
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Contact:
+ * GiWoong Kim <giwoong.kim@samsung.com>
+ * HyunJun Son <hj79.son@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_TOUCH_H_
+#define MARU_TOUCH_H_
+
+#include <pthread.h>
+#include "hw.h"
+#include "console.h"
+#include "usb.h"
+#include "usb-desc.h"
+
+
+typedef struct USBTouchscreenState {
+ USBDevice dev;
+ QEMUPutMouseEntry *eh_entry;
+
+ int32_t dx, dy, dz, buttons_state;
+ int8_t mouse_grabbed;
+ int8_t changed;
+} USBTouchscreenState;
+
+/* This structure must match the kernel definitions */
+typedef struct USBEmulTouchscreenPacket {
+ uint16_t x, y, z;
+ uint8_t state;
+} USBEmulTouchscreenPacket;
+
+
+#define EMUL_TOUCHSCREEN_PACKET_LEN 7
+#define TOUCHSCREEN_RESOLUTION_X 5040
+#define TOUCHSCREEN_RESOLUTION_Y 3780
+
+enum {
+ STR_MANUFACTURER = 1,
+ STR_PRODUCT,
+ STR_SERIALNUMBER,
+};
+
+static const USBDescStrings desc_strings = {
+ [STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
+ [STR_PRODUCT] = "Maru Virtual Touchscreen",
+ [STR_SERIALNUMBER] = "1",
+};
+
+static const USBDescIface desc_iface_touchscreen = {
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 1,
+ .bInterfaceClass = USB_CLASS_HID,
+ .bInterfaceSubClass = 0x01, /* boot */
+ .bInterfaceProtocol = 0x02,
+ .ndesc = 1,
+ .descs = (USBDescOther[]) {
+ {
+ /* HID descriptor */
+ .data = (uint8_t[]) {
+ 0x09, /* u8 bLength */
+ 0x21, /* u8 bDescriptorType */
+ 0x01, 0x10, /* u16 HID_class */
+ 0x00, /* u8 country_code */
+ 0x01, /* u8 num_descriptors */
+ 0x22, /* u8 type: Report */
+ 0x6e, 0, /* u16 len */
+ },
+ },
+ },
+ .eps = (USBDescEndpoint[]) {
+ {
+ .bEndpointAddress = USB_DIR_IN | 0x01,
+ .bmAttributes = USB_ENDPOINT_XFER_INT,
+ .wMaxPacketSize = 8,
+ .bInterval = 0x0a,
+ },
+ },
+};
+
+static const USBDescDevice desc_device_touchscreen = {
+ .bcdUSB = 0x0110,
+ .bMaxPacketSize0 = EMUL_TOUCHSCREEN_PACKET_LEN + 1,
+ .bNumConfigurations = 1,
+ .confs = (USBDescConfig[]) {
+ {
+ .bNumInterfaces = 1,
+ .bConfigurationValue = 1,
+ .bmAttributes = 0x80,
+ .bMaxPower = 40,
+ .nif = 1,
+ .ifs = &desc_iface_touchscreen,
+ },
+ },
+};
+
+static const USBDesc desc_touchscreen = {
+ .id = {
+ .idVendor = 0x056a,
+ .idProduct = 0x0000,
+ .bcdDevice = 0x0010,
+ .iManufacturer = STR_MANUFACTURER,
+ .iProduct = STR_PRODUCT,
+ .iSerialNumber = STR_SERIALNUMBER,
+ },
+ .full = &desc_device_touchscreen,
+ .str = desc_strings,
+};
+
+typedef struct TouchEventEntry {
+ USBEmulTouchscreenPacket queue_packet;
+ int index;
+
+ /* used internally by qemu for handling mice */
+ QTAILQ_ENTRY(TouchEventEntry) node;
+} TouchEventEntry;
+
+#endif /* MARU_TOUCH_H_ */