Wacom PenPartner tablet (virtual USB device).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2977 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog
parent
a2502b58b3
commit
f6d2a316d2
@ -409,6 +409,7 @@ VL_OBJS+= scsi-disk.o cdrom.o lsi53c895a.o
|
||||
|
||||
# USB layer
|
||||
VL_OBJS+= usb.o usb-hub.o usb-linux.o usb-hid.o usb-ohci.o usb-msd.o
|
||||
VL_OBJS+= usb-wacom.o
|
||||
|
||||
# EEPROM emulation
|
||||
VL_OBJS += eeprom93xx.o
|
||||
|
||||
412
hw/usb-wacom.c
Normal file
412
hw/usb-wacom.c
Normal file
@ -0,0 +1,412 @@
|
||||
/*
|
||||
* Wacom PenPartner USB tablet emulation.
|
||||
*
|
||||
* Copyright (c) 2006 Openedhand Ltd.
|
||||
* Author: Andrzej Zaborowski <balrog@zabor.org>
|
||||
*
|
||||
* Based on hw/usb-hid.c:
|
||||
* Copyright (c) 2005 Fabrice Bellard
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
#include "vl.h"
|
||||
|
||||
/* Interface requests */
|
||||
#define WACOM_GET_REPORT 0x2101
|
||||
#define WACOM_SET_REPORT 0x2109
|
||||
|
||||
/* HID interface requests */
|
||||
#define HID_GET_REPORT 0xa101
|
||||
#define HID_GET_IDLE 0xa102
|
||||
#define HID_GET_PROTOCOL 0xa103
|
||||
#define HID_SET_IDLE 0x210a
|
||||
#define HID_SET_PROTOCOL 0x210b
|
||||
|
||||
typedef struct USBWacomState {
|
||||
USBDevice dev;
|
||||
QEMUPutMouseEntry *eh_entry;
|
||||
int dx, dy, dz, buttons_state;
|
||||
int x, y;
|
||||
int mouse_grabbed;
|
||||
enum {
|
||||
WACOM_MODE_HID = 1,
|
||||
WACOM_MODE_WACOM = 2,
|
||||
} mode;
|
||||
} USBWacomState;
|
||||
|
||||
static const uint8_t qemu_wacom_dev_descriptor[] = {
|
||||
0x12, /* u8 bLength; */
|
||||
0x01, /* u8 bDescriptorType; Device */
|
||||
0x10, 0x10, /* u16 bcdUSB; v1.10 */
|
||||
|
||||
0x00, /* u8 bDeviceClass; */
|
||||
0x00, /* u8 bDeviceSubClass; */
|
||||
0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
|
||||
0x08, /* u8 bMaxPacketSize0; 8 Bytes */
|
||||
|
||||
0x6a, 0x05, /* u16 idVendor; */
|
||||
0x00, 0x00, /* u16 idProduct; */
|
||||
0x10, 0x42, /* u16 bcdDevice */
|
||||
|
||||
0x01, /* u8 iManufacturer; */
|
||||
0x02, /* u8 iProduct; */
|
||||
0x00, /* u8 iSerialNumber; */
|
||||
0x01, /* u8 bNumConfigurations; */
|
||||
};
|
||||
|
||||
static const uint8_t qemu_wacom_config_descriptor[] = {
|
||||
/* one configuration */
|
||||
0x09, /* u8 bLength; */
|
||||
0x02, /* u8 bDescriptorType; Configuration */
|
||||
0x22, 0x00, /* u16 wTotalLength; */
|
||||
0x01, /* u8 bNumInterfaces; (1) */
|
||||
0x01, /* u8 bConfigurationValue; */
|
||||
0x00, /* u8 iConfiguration; */
|
||||
0x80, /* u8 bmAttributes;
|
||||
Bit 7: must be set,
|
||||
6: Self-powered,
|
||||
5: Remote wakeup,
|
||||
4..0: resvd */
|
||||
40, /* u8 MaxPower; */
|
||||
|
||||
/* one interface */
|
||||
0x09, /* u8 if_bLength; */
|
||||
0x04, /* u8 if_bDescriptorType; Interface */
|
||||
0x00, /* u8 if_bInterfaceNumber; */
|
||||
0x00, /* u8 if_bAlternateSetting; */
|
||||
0x01, /* u8 if_bNumEndpoints; */
|
||||
0x03, /* u8 if_bInterfaceClass; HID */
|
||||
0x01, /* u8 if_bInterfaceSubClass; Boot */
|
||||
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
|
||||
0x00, /* u8 if_iInterface; */
|
||||
|
||||
/* HID descriptor */
|
||||
0x09, /* u8 bLength; */
|
||||
0x21, /* u8 bDescriptorType; */
|
||||
0x01, 0x10, /* u16 HID_class */
|
||||
0x00, /* u8 country_code */
|
||||
0x01, /* u8 num_descriptors */
|
||||
0x22, /* u8 type; Report */
|
||||
0x6e, 0x00, /* u16 len */
|
||||
|
||||
/* one endpoint (status change endpoint) */
|
||||
0x07, /* u8 ep_bLength; */
|
||||
0x05, /* u8 ep_bDescriptorType; Endpoint */
|
||||
0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
|
||||
0x03, /* u8 ep_bmAttributes; Interrupt */
|
||||
0x08, 0x00, /* u16 ep_wMaxPacketSize; */
|
||||
0x0a, /* u8 ep_bInterval; */
|
||||
};
|
||||
|
||||
static void usb_mouse_event(void *opaque,
|
||||
int dx1, int dy1, int dz1, int buttons_state)
|
||||
{
|
||||
USBWacomState *s = opaque;
|
||||
|
||||
s->dx += dx1;
|
||||
s->dy += dy1;
|
||||
s->dz += dz1;
|
||||
s->buttons_state = buttons_state;
|
||||
}
|
||||
|
||||
static void usb_wacom_event(void *opaque,
|
||||
int x, int y, int dz, int buttons_state)
|
||||
{
|
||||
USBWacomState *s = opaque;
|
||||
|
||||
s->x = x;
|
||||
s->y = y;
|
||||
s->dz += dz;
|
||||
s->buttons_state = buttons_state;
|
||||
}
|
||||
|
||||
static inline int int_clamp(int val, int vmin, int vmax)
|
||||
{
|
||||
if (val < vmin)
|
||||
return vmin;
|
||||
else if (val > vmax)
|
||||
return vmax;
|
||||
else
|
||||
return val;
|
||||
}
|
||||
|
||||
static int usb_mouse_poll(USBWacomState *s, uint8_t *buf, int len)
|
||||
{
|
||||
int dx, dy, dz, b, l;
|
||||
|
||||
if (!s->mouse_grabbed) {
|
||||
s->eh_entry = qemu_add_mouse_event_handler(usb_mouse_event, s, 0,
|
||||
"QEMU PenPartner tablet");
|
||||
s->mouse_grabbed = 1;
|
||||
}
|
||||
|
||||
dx = int_clamp(s->dx, -128, 127);
|
||||
dy = int_clamp(s->dy, -128, 127);
|
||||
dz = int_clamp(s->dz, -128, 127);
|
||||
|
||||
s->dx -= dx;
|
||||
s->dy -= dy;
|
||||
s->dz -= dz;
|
||||
|
||||
b = 0;
|
||||
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
||||
b |= 0x01;
|
||||
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
||||
b |= 0x02;
|
||||
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
||||
b |= 0x04;
|
||||
|
||||
buf[0] = b;
|
||||
buf[1] = dx;
|
||||
buf[2] = dy;
|
||||
l = 3;
|
||||
if (len >= 4) {
|
||||
buf[3] = dz;
|
||||
l = 4;
|
||||
}
|
||||
return l;
|
||||
}
|
||||
|
||||
static int usb_wacom_poll(USBWacomState *s, uint8_t *buf, int len)
|
||||
{
|
||||
int b;
|
||||
|
||||
if (!s->mouse_grabbed) {
|
||||
s->eh_entry = qemu_add_mouse_event_handler(usb_wacom_event, s, 1,
|
||||
"QEMU PenPartner tablet");
|
||||
s->mouse_grabbed = 1;
|
||||
}
|
||||
|
||||
b = 0;
|
||||
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
||||
b |= 0x01;
|
||||
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
||||
b |= 0x02;
|
||||
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
||||
b |= 0x04;
|
||||
|
||||
if (len < 7)
|
||||
return 0;
|
||||
|
||||
buf[0] = s->mode;
|
||||
buf[5] = 0x00;
|
||||
if (b) {
|
||||
buf[1] = s->x & 0xff;
|
||||
buf[2] = s->x >> 8;
|
||||
buf[3] = s->y & 0xff;
|
||||
buf[4] = s->y >> 8;
|
||||
buf[6] = 0;
|
||||
} else {
|
||||
buf[1] = 0;
|
||||
buf[2] = 0;
|
||||
buf[3] = 0;
|
||||
buf[4] = 0;
|
||||
buf[6] = (unsigned char) -127;
|
||||
}
|
||||
|
||||
return 7;
|
||||
}
|
||||
|
||||
static void usb_wacom_handle_reset(USBDevice *dev)
|
||||
{
|
||||
USBWacomState *s = (USBWacomState *) dev;
|
||||
|
||||
s->dx = 0;
|
||||
s->dy = 0;
|
||||
s->dz = 0;
|
||||
s->x = 0;
|
||||
s->y = 0;
|
||||
s->buttons_state = 0;
|
||||
s->mode = WACOM_MODE_HID;
|
||||
}
|
||||
|
||||
static int usb_wacom_handle_control(USBDevice *dev, int request, int value,
|
||||
int index, int length, uint8_t *data)
|
||||
{
|
||||
USBWacomState *s = (USBWacomState *) dev;
|
||||
int ret = 0;
|
||||
|
||||
switch (request) {
|
||||
case DeviceRequest | USB_REQ_GET_STATUS:
|
||||
data[0] = (1 << USB_DEVICE_SELF_POWERED) |
|
||||
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
|
||||
data[1] = 0x00;
|
||||
ret = 2;
|
||||
break;
|
||||
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
||||
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
||||
dev->remote_wakeup = 0;
|
||||
} else {
|
||||
goto fail;
|
||||
}
|
||||
ret = 0;
|
||||
break;
|
||||
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
||||
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
||||
dev->remote_wakeup = 1;
|
||||
} else {
|
||||
goto fail;
|
||||
}
|
||||
ret = 0;
|
||||
break;
|
||||
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
||||
dev->addr = value;
|
||||
ret = 0;
|
||||
break;
|
||||
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
||||
switch (value >> 8) {
|
||||
case USB_DT_DEVICE:
|
||||
memcpy(data, qemu_wacom_dev_descriptor,
|
||||
sizeof(qemu_wacom_dev_descriptor));
|
||||
ret = sizeof(qemu_wacom_dev_descriptor);
|
||||
break;
|
||||
case USB_DT_CONFIG:
|
||||
memcpy(data, qemu_wacom_config_descriptor,
|
||||
sizeof(qemu_wacom_config_descriptor));
|
||||
ret = sizeof(qemu_wacom_config_descriptor);
|
||||
break;
|
||||
case USB_DT_STRING:
|
||||
switch (value & 0xff) {
|
||||
case 0:
|
||||
/* language ids */
|
||||
data[0] = 4;
|
||||
data[1] = 3;
|
||||
data[2] = 0x09;
|
||||
data[3] = 0x04;
|
||||
ret = 4;
|
||||
break;
|
||||
case 1:
|
||||
/* serial number */
|
||||
ret = set_usb_string(data, "1");
|
||||
break;
|
||||
case 2:
|
||||
ret = set_usb_string(data, "Wacom PenPartner");
|
||||
break;
|
||||
case 3:
|
||||
/* vendor description */
|
||||
ret = set_usb_string(data, "QEMU " QEMU_VERSION);
|
||||
break;
|
||||
case 4:
|
||||
ret = set_usb_string(data, "Wacom Tablet");
|
||||
break;
|
||||
case 5:
|
||||
ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
|
||||
break;
|
||||
default:
|
||||
goto fail;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
goto fail;
|
||||
}
|
||||
break;
|
||||
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
||||
data[0] = 1;
|
||||
ret = 1;
|
||||
break;
|
||||
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
||||
ret = 0;
|
||||
break;
|
||||
case DeviceRequest | USB_REQ_GET_INTERFACE:
|
||||
data[0] = 0;
|
||||
ret = 1;
|
||||
break;
|
||||
case DeviceOutRequest | USB_REQ_SET_INTERFACE:
|
||||
ret = 0;
|
||||
break;
|
||||
case WACOM_SET_REPORT:
|
||||
qemu_remove_mouse_event_handler(s->eh_entry);
|
||||
s->mouse_grabbed = 0;
|
||||
s->mode = data[0];
|
||||
ret = 0;
|
||||
break;
|
||||
case WACOM_GET_REPORT:
|
||||
data[0] = 0;
|
||||
data[1] = s->mode;
|
||||
ret = 2;
|
||||
break;
|
||||
/* USB HID requests */
|
||||
case HID_GET_REPORT:
|
||||
if (s->mode == WACOM_MODE_HID)
|
||||
ret = usb_mouse_poll(s, data, length);
|
||||
else if (s->mode == WACOM_MODE_WACOM)
|
||||
ret = usb_wacom_poll(s, data, length);
|
||||
break;
|
||||
case HID_SET_IDLE:
|
||||
ret = 0;
|
||||
break;
|
||||
default:
|
||||
fail:
|
||||
ret = USB_RET_STALL;
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int usb_wacom_handle_data(USBDevice *dev, USBPacket *p)
|
||||
{
|
||||
USBWacomState *s = (USBWacomState *) dev;
|
||||
int ret = 0;
|
||||
|
||||
switch (p->pid) {
|
||||
case USB_TOKEN_IN:
|
||||
if (p->devep == 1) {
|
||||
if (s->mode == WACOM_MODE_HID)
|
||||
ret = usb_mouse_poll(s, p->data, p->len);
|
||||
else if (s->mode == WACOM_MODE_WACOM)
|
||||
ret = usb_wacom_poll(s, p->data, p->len);
|
||||
break;
|
||||
}
|
||||
/* Fall through. */
|
||||
case USB_TOKEN_OUT:
|
||||
default:
|
||||
ret = USB_RET_STALL;
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void usb_wacom_handle_destroy(USBDevice *dev)
|
||||
{
|
||||
USBWacomState *s = (USBWacomState *) dev;
|
||||
|
||||
qemu_remove_mouse_event_handler(s->eh_entry);
|
||||
qemu_free(s);
|
||||
}
|
||||
|
||||
USBDevice *usb_wacom_init(void)
|
||||
{
|
||||
USBWacomState *s;
|
||||
|
||||
s = qemu_mallocz(sizeof(USBWacomState));
|
||||
if (!s)
|
||||
return NULL;
|
||||
s->dev.speed = USB_SPEED_FULL;
|
||||
s->dev.handle_packet = usb_generic_handle_packet;
|
||||
|
||||
s->dev.handle_reset = usb_wacom_handle_reset;
|
||||
s->dev.handle_control = usb_wacom_handle_control;
|
||||
s->dev.handle_data = usb_wacom_handle_data;
|
||||
s->dev.handle_destroy = usb_wacom_handle_destroy;
|
||||
|
||||
pstrcpy(s->dev.devname, sizeof(s->dev.devname),
|
||||
"QEMU PenPartner Tablet");
|
||||
|
||||
return (USBDevice *) s;
|
||||
}
|
||||
3
hw/usb.h
3
hw/usb.h
@ -221,3 +221,6 @@ USBDevice *usb_tablet_init(void);
|
||||
|
||||
/* usb-msd.c */
|
||||
USBDevice *usb_msd_init(const char *filename);
|
||||
|
||||
/* usb-wacom.c */
|
||||
USBDevice *usb_wacom_init(void);
|
||||
|
||||
@ -1358,6 +1358,10 @@ Pass through the host device identified by @var{bus.addr}
|
||||
@item @code{host:vendor_id:product_id}
|
||||
Pass through the host device identified by @var{vendor_id:product_id}
|
||||
(Linux only)
|
||||
@item @code{wacom-tablet}
|
||||
Virtual Wacom PenPartner tablet. This device is similar to the @code{tablet}
|
||||
above but it can be used with the tslib library because in addition to touch
|
||||
coordinates it reports touch pressure.
|
||||
@end table
|
||||
|
||||
@node host_usb_devices
|
||||
|
||||
Loading…
Reference in New Issue
Block a user