root / hw / usb-hid.c @ 1f6e24e7
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| 1 |
/*
|
|---|---|
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* QEMU USB HID devices
|
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*
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* Copyright (c) 2005 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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* of this software and associated documentation files (the "Software"), to deal
|
| 8 |
* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
|
| 11 |
* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
|
| 14 |
* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h" |
| 25 |
|
| 26 |
/* HID interface requests */
|
| 27 |
#define GET_REPORT 0xa101 |
| 28 |
#define GET_IDLE 0xa102 |
| 29 |
#define GET_PROTOCOL 0xa103 |
| 30 |
#define SET_IDLE 0x210a |
| 31 |
#define SET_PROTOCOL 0x210b |
| 32 |
|
| 33 |
#define USB_MOUSE 1 |
| 34 |
#define USB_TABLET 2 |
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|
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typedef struct USBMouseState { |
| 37 |
USBDevice dev; |
| 38 |
int dx, dy, dz, buttons_state;
|
| 39 |
int x, y;
|
| 40 |
int kind;
|
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int mouse_grabbed;
|
| 42 |
} USBMouseState; |
| 43 |
|
| 44 |
/* mostly the same values as the Bochs USB Mouse device */
|
| 45 |
static const uint8_t qemu_mouse_dev_descriptor[] = { |
| 46 |
0x12, /* u8 bLength; */ |
| 47 |
0x01, /* u8 bDescriptorType; Device */ |
| 48 |
0x10, 0x00, /* u16 bcdUSB; v1.0 */ |
| 49 |
|
| 50 |
0x00, /* u8 bDeviceClass; */ |
| 51 |
0x00, /* u8 bDeviceSubClass; */ |
| 52 |
0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */ |
| 53 |
0x08, /* u8 bMaxPacketSize0; 8 Bytes */ |
| 54 |
|
| 55 |
0x27, 0x06, /* u16 idVendor; */ |
| 56 |
0x01, 0x00, /* u16 idProduct; */ |
| 57 |
0x00, 0x00, /* u16 bcdDevice */ |
| 58 |
|
| 59 |
0x03, /* u8 iManufacturer; */ |
| 60 |
0x02, /* u8 iProduct; */ |
| 61 |
0x01, /* u8 iSerialNumber; */ |
| 62 |
0x01 /* u8 bNumConfigurations; */ |
| 63 |
}; |
| 64 |
|
| 65 |
static const uint8_t qemu_mouse_config_descriptor[] = { |
| 66 |
/* one configuration */
|
| 67 |
0x09, /* u8 bLength; */ |
| 68 |
0x02, /* u8 bDescriptorType; Configuration */ |
| 69 |
0x22, 0x00, /* u16 wTotalLength; */ |
| 70 |
0x01, /* u8 bNumInterfaces; (1) */ |
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0x01, /* u8 bConfigurationValue; */ |
| 72 |
0x04, /* u8 iConfiguration; */ |
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0xa0, /* u8 bmAttributes; |
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Bit 7: must be set,
|
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6: Self-powered,
|
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5: Remote wakeup,
|
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4..0: resvd */
|
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50, /* u8 MaxPower; */ |
| 79 |
|
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/* USB 1.1:
|
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* USB 2.0, single TT organization (mandatory):
|
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* one interface, protocol 0
|
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*
|
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* USB 2.0, multiple TT organization (optional):
|
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* two interfaces, protocols 1 (like single TT)
|
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* and 2 (multiple TT mode) ... config is
|
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* sometimes settable
|
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* NOT IMPLEMENTED
|
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*/
|
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|
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/* one interface */
|
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0x09, /* u8 if_bLength; */ |
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0x04, /* u8 if_bDescriptorType; Interface */ |
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0x00, /* u8 if_bInterfaceNumber; */ |
| 95 |
0x00, /* u8 if_bAlternateSetting; */ |
| 96 |
0x01, /* u8 if_bNumEndpoints; */ |
| 97 |
0x03, /* u8 if_bInterfaceClass; */ |
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0x01, /* u8 if_bInterfaceSubClass; */ |
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0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ |
| 100 |
0x05, /* u8 if_iInterface; */ |
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|
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/* HID descriptor */
|
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0x09, /* u8 bLength; */ |
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0x21, /* u8 bDescriptorType; */ |
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0x01, 0x00, /* u16 HID_class */ |
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0x00, /* u8 country_code */ |
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0x01, /* u8 num_descriptors */ |
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0x22, /* u8 type; Report */ |
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50, 0, /* u16 len */ |
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|
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/* one endpoint (status change endpoint) */
|
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0x07, /* u8 ep_bLength; */ |
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0x05, /* u8 ep_bDescriptorType; Endpoint */ |
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0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
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0x03, /* u8 ep_bmAttributes; Interrupt */ |
| 116 |
0x03, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 117 |
0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
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}; |
| 119 |
|
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static const uint8_t qemu_tablet_config_descriptor[] = { |
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/* one configuration */
|
| 122 |
0x09, /* u8 bLength; */ |
| 123 |
0x02, /* u8 bDescriptorType; Configuration */ |
| 124 |
0x22, 0x00, /* u16 wTotalLength; */ |
| 125 |
0x01, /* u8 bNumInterfaces; (1) */ |
| 126 |
0x01, /* u8 bConfigurationValue; */ |
| 127 |
0x04, /* u8 iConfiguration; */ |
| 128 |
0xa0, /* u8 bmAttributes; |
| 129 |
Bit 7: must be set,
|
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6: Self-powered,
|
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5: Remote wakeup,
|
| 132 |
4..0: resvd */
|
| 133 |
50, /* u8 MaxPower; */ |
| 134 |
|
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/* USB 1.1:
|
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* USB 2.0, single TT organization (mandatory):
|
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* one interface, protocol 0
|
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*
|
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* USB 2.0, multiple TT organization (optional):
|
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* two interfaces, protocols 1 (like single TT)
|
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* and 2 (multiple TT mode) ... config is
|
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* sometimes settable
|
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* NOT IMPLEMENTED
|
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*/
|
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|
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/* one interface */
|
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0x09, /* u8 if_bLength; */ |
| 148 |
0x04, /* u8 if_bDescriptorType; Interface */ |
| 149 |
0x00, /* u8 if_bInterfaceNumber; */ |
| 150 |
0x00, /* u8 if_bAlternateSetting; */ |
| 151 |
0x01, /* u8 if_bNumEndpoints; */ |
| 152 |
0x03, /* u8 if_bInterfaceClass; */ |
| 153 |
0x01, /* u8 if_bInterfaceSubClass; */ |
| 154 |
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */ |
| 155 |
0x05, /* u8 if_iInterface; */ |
| 156 |
|
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/* HID descriptor */
|
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0x09, /* u8 bLength; */ |
| 159 |
0x21, /* u8 bDescriptorType; */ |
| 160 |
0x01, 0x00, /* u16 HID_class */ |
| 161 |
0x00, /* u8 country_code */ |
| 162 |
0x01, /* u8 num_descriptors */ |
| 163 |
0x22, /* u8 type; Report */ |
| 164 |
74, 0, /* u16 len */ |
| 165 |
|
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/* one endpoint (status change endpoint) */
|
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0x07, /* u8 ep_bLength; */ |
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0x05, /* u8 ep_bDescriptorType; Endpoint */ |
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0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */ |
| 170 |
0x03, /* u8 ep_bmAttributes; Interrupt */ |
| 171 |
0x08, 0x00, /* u16 ep_wMaxPacketSize; */ |
| 172 |
0x03, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */ |
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}; |
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|
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static const uint8_t qemu_mouse_hid_report_descriptor[] = { |
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0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01, |
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0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03, |
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0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01, |
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0x81, 0x02, 0x95, 0x01, 0x75, 0x05, 0x81, 0x01, |
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0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x15, 0x81, |
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0x25, 0x7F, 0x75, 0x08, 0x95, 0x02, 0x81, 0x06, |
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0xC0, 0xC0, |
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}; |
| 184 |
|
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static const uint8_t qemu_tablet_hid_report_descriptor[] = { |
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0x05, 0x01, /* Usage Page Generic Desktop */ |
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0x09, 0x01, /* Usage Mouse */ |
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0xA1, 0x01, /* Collection Application */ |
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0x09, 0x01, /* Usage Pointer */ |
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0xA1, 0x00, /* Collection Physical */ |
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0x05, 0x09, /* Usage Page Button */ |
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0x19, 0x01, /* Usage Minimum Button 1 */ |
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0x29, 0x03, /* Usage Maximum Button 3 */ |
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0x15, 0x00, /* Logical Minimum 0 */ |
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0x25, 0x01, /* Logical Maximum 1 */ |
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0x95, 0x03, /* Report Count 3 */ |
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0x75, 0x01, /* Report Size 1 */ |
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0x81, 0x02, /* Input (Data, Var, Abs) */ |
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0x95, 0x01, /* Report Count 1 */ |
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0x75, 0x05, /* Report Size 5 */ |
| 201 |
0x81, 0x01, /* Input (Cnst, Var, Abs) */ |
| 202 |
0x05, 0x01, /* Usage Page Generic Desktop */ |
| 203 |
0x09, 0x30, /* Usage X */ |
| 204 |
0x09, 0x31, /* Usage Y */ |
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0x15, 0x00, /* Logical Minimum 0 */ |
| 206 |
0x26, 0xFF, 0x7F, /* Logical Maximum 0x7fff */ |
| 207 |
0x35, 0x00, /* Physical Minimum 0 */ |
| 208 |
0x46, 0xFE, 0x7F, /* Physical Maximum 0x7fff */ |
| 209 |
0x75, 0x10, /* Report Size 16 */ |
| 210 |
0x95, 0x02, /* Report Count 2 */ |
| 211 |
0x81, 0x02, /* Input (Data, Var, Abs) */ |
| 212 |
0x05, 0x01, /* Usage Page Generic Desktop */ |
| 213 |
0x09, 0x38, /* Usage Wheel */ |
| 214 |
0x15, 0x81, /* Logical Minimum -127 */ |
| 215 |
0x25, 0x7F, /* Logical Maximum 127 */ |
| 216 |
0x35, 0x00, /* Physical Minimum 0 (same as logical) */ |
| 217 |
0x45, 0x00, /* Physical Maximum 0 (same as logical) */ |
| 218 |
0x75, 0x08, /* Report Size 8 */ |
| 219 |
0x95, 0x01, /* Report Count 1 */ |
| 220 |
0x81, 0x02, /* Input (Data, Var, Rel) */ |
| 221 |
0xC0, /* End Collection */ |
| 222 |
0xC0, /* End Collection */ |
| 223 |
}; |
| 224 |
|
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static void usb_mouse_event(void *opaque, |
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int dx1, int dy1, int dz1, int buttons_state) |
| 227 |
{
|
| 228 |
USBMouseState *s = opaque; |
| 229 |
|
| 230 |
s->dx += dx1; |
| 231 |
s->dy += dy1; |
| 232 |
s->dz += dz1; |
| 233 |
s->buttons_state = buttons_state; |
| 234 |
} |
| 235 |
|
| 236 |
static void usb_tablet_event(void *opaque, |
| 237 |
int x, int y, int dz, int buttons_state) |
| 238 |
{
|
| 239 |
USBMouseState *s = opaque; |
| 240 |
|
| 241 |
s->x = x; |
| 242 |
s->y = y; |
| 243 |
s->dz += dz; |
| 244 |
s->buttons_state = buttons_state; |
| 245 |
} |
| 246 |
|
| 247 |
static inline int int_clamp(int val, int vmin, int vmax) |
| 248 |
{
|
| 249 |
if (val < vmin)
|
| 250 |
return vmin;
|
| 251 |
else if (val > vmax) |
| 252 |
return vmax;
|
| 253 |
else
|
| 254 |
return val;
|
| 255 |
} |
| 256 |
|
| 257 |
static int usb_mouse_poll(USBMouseState *s, uint8_t *buf, int len) |
| 258 |
{
|
| 259 |
int dx, dy, dz, b, l;
|
| 260 |
|
| 261 |
if (!s->mouse_grabbed) {
|
| 262 |
qemu_add_mouse_event_handler(usb_mouse_event, s, 0);
|
| 263 |
s->mouse_grabbed = 1;
|
| 264 |
} |
| 265 |
|
| 266 |
dx = int_clamp(s->dx, -128, 127); |
| 267 |
dy = int_clamp(s->dy, -128, 127); |
| 268 |
dz = int_clamp(s->dz, -128, 127); |
| 269 |
|
| 270 |
s->dx -= dx; |
| 271 |
s->dy -= dy; |
| 272 |
s->dz -= dz; |
| 273 |
|
| 274 |
b = 0;
|
| 275 |
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
| 276 |
b |= 0x01;
|
| 277 |
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
| 278 |
b |= 0x02;
|
| 279 |
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
| 280 |
b |= 0x04;
|
| 281 |
|
| 282 |
buf[0] = b;
|
| 283 |
buf[1] = dx;
|
| 284 |
buf[2] = dy;
|
| 285 |
l = 3;
|
| 286 |
if (len >= 4) { |
| 287 |
buf[3] = dz;
|
| 288 |
l = 4;
|
| 289 |
} |
| 290 |
return l;
|
| 291 |
} |
| 292 |
|
| 293 |
static int usb_tablet_poll(USBMouseState *s, uint8_t *buf, int len) |
| 294 |
{
|
| 295 |
int dz, b, l;
|
| 296 |
|
| 297 |
if (!s->mouse_grabbed) {
|
| 298 |
qemu_add_mouse_event_handler(usb_tablet_event, s, 1);
|
| 299 |
s->mouse_grabbed = 1;
|
| 300 |
} |
| 301 |
|
| 302 |
dz = int_clamp(s->dz, -128, 127); |
| 303 |
s->dz -= dz; |
| 304 |
|
| 305 |
/* Appears we have to invert the wheel direction */
|
| 306 |
dz = 0 - dz;
|
| 307 |
b = 0;
|
| 308 |
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
|
| 309 |
b |= 0x01;
|
| 310 |
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
|
| 311 |
b |= 0x02;
|
| 312 |
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
|
| 313 |
b |= 0x04;
|
| 314 |
|
| 315 |
buf[0] = b;
|
| 316 |
buf[1] = s->x & 0xff; |
| 317 |
buf[2] = s->x >> 8; |
| 318 |
buf[3] = s->y & 0xff; |
| 319 |
buf[4] = s->y >> 8; |
| 320 |
buf[5] = dz;
|
| 321 |
l = 6;
|
| 322 |
|
| 323 |
return l;
|
| 324 |
} |
| 325 |
|
| 326 |
static void usb_mouse_handle_reset(USBDevice *dev, int destroy) |
| 327 |
{
|
| 328 |
USBMouseState *s = (USBMouseState *)dev; |
| 329 |
|
| 330 |
if (destroy) {
|
| 331 |
qemu_add_mouse_event_handler(NULL, NULL, 0); |
| 332 |
qemu_free(s); |
| 333 |
return;
|
| 334 |
} |
| 335 |
|
| 336 |
s->dx = 0;
|
| 337 |
s->dy = 0;
|
| 338 |
s->dz = 0;
|
| 339 |
s->x = 0;
|
| 340 |
s->y = 0;
|
| 341 |
s->buttons_state = 0;
|
| 342 |
} |
| 343 |
|
| 344 |
static int usb_mouse_handle_control(USBDevice *dev, int request, int value, |
| 345 |
int index, int length, uint8_t *data) |
| 346 |
{
|
| 347 |
USBMouseState *s = (USBMouseState *)dev; |
| 348 |
int ret = 0; |
| 349 |
|
| 350 |
switch(request) {
|
| 351 |
case DeviceRequest | USB_REQ_GET_STATUS:
|
| 352 |
data[0] = (1 << USB_DEVICE_SELF_POWERED) | |
| 353 |
(dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); |
| 354 |
data[1] = 0x00; |
| 355 |
ret = 2;
|
| 356 |
break;
|
| 357 |
case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
| 358 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
| 359 |
dev->remote_wakeup = 0;
|
| 360 |
} else {
|
| 361 |
goto fail;
|
| 362 |
} |
| 363 |
ret = 0;
|
| 364 |
break;
|
| 365 |
case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
| 366 |
if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
| 367 |
dev->remote_wakeup = 1;
|
| 368 |
} else {
|
| 369 |
goto fail;
|
| 370 |
} |
| 371 |
ret = 0;
|
| 372 |
break;
|
| 373 |
case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
| 374 |
dev->addr = value; |
| 375 |
ret = 0;
|
| 376 |
break;
|
| 377 |
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
| 378 |
switch(value >> 8) { |
| 379 |
case USB_DT_DEVICE:
|
| 380 |
memcpy(data, qemu_mouse_dev_descriptor, |
| 381 |
sizeof(qemu_mouse_dev_descriptor));
|
| 382 |
ret = sizeof(qemu_mouse_dev_descriptor);
|
| 383 |
break;
|
| 384 |
case USB_DT_CONFIG:
|
| 385 |
if (s->kind == USB_MOUSE) {
|
| 386 |
memcpy(data, qemu_mouse_config_descriptor, |
| 387 |
sizeof(qemu_mouse_config_descriptor));
|
| 388 |
ret = sizeof(qemu_mouse_config_descriptor);
|
| 389 |
} else if (s->kind == USB_TABLET) { |
| 390 |
memcpy(data, qemu_tablet_config_descriptor, |
| 391 |
sizeof(qemu_tablet_config_descriptor));
|
| 392 |
ret = sizeof(qemu_tablet_config_descriptor);
|
| 393 |
} |
| 394 |
break;
|
| 395 |
case USB_DT_STRING:
|
| 396 |
switch(value & 0xff) { |
| 397 |
case 0: |
| 398 |
/* language ids */
|
| 399 |
data[0] = 4; |
| 400 |
data[1] = 3; |
| 401 |
data[2] = 0x09; |
| 402 |
data[3] = 0x04; |
| 403 |
ret = 4;
|
| 404 |
break;
|
| 405 |
case 1: |
| 406 |
/* serial number */
|
| 407 |
ret = set_usb_string(data, "1");
|
| 408 |
break;
|
| 409 |
case 2: |
| 410 |
/* product description */
|
| 411 |
if (s->kind == USB_MOUSE)
|
| 412 |
ret = set_usb_string(data, "QEMU USB Mouse");
|
| 413 |
else if (s->kind == USB_TABLET) |
| 414 |
ret = set_usb_string(data, "QEMU USB Tablet");
|
| 415 |
break;
|
| 416 |
case 3: |
| 417 |
/* vendor description */
|
| 418 |
ret = set_usb_string(data, "QEMU " QEMU_VERSION);
|
| 419 |
break;
|
| 420 |
case 4: |
| 421 |
ret = set_usb_string(data, "HID Mouse");
|
| 422 |
break;
|
| 423 |
case 5: |
| 424 |
ret = set_usb_string(data, "Endpoint1 Interrupt Pipe");
|
| 425 |
break;
|
| 426 |
default:
|
| 427 |
goto fail;
|
| 428 |
} |
| 429 |
break;
|
| 430 |
default:
|
| 431 |
goto fail;
|
| 432 |
} |
| 433 |
break;
|
| 434 |
case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
| 435 |
data[0] = 1; |
| 436 |
ret = 1;
|
| 437 |
break;
|
| 438 |
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
| 439 |
ret = 0;
|
| 440 |
break;
|
| 441 |
case DeviceRequest | USB_REQ_GET_INTERFACE:
|
| 442 |
data[0] = 0; |
| 443 |
ret = 1;
|
| 444 |
break;
|
| 445 |
case DeviceOutRequest | USB_REQ_SET_INTERFACE:
|
| 446 |
ret = 0;
|
| 447 |
break;
|
| 448 |
/* hid specific requests */
|
| 449 |
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
|
| 450 |
switch(value >> 8) { |
| 451 |
case 0x22: |
| 452 |
if (s->kind == USB_MOUSE) {
|
| 453 |
memcpy(data, qemu_mouse_hid_report_descriptor, |
| 454 |
sizeof(qemu_mouse_hid_report_descriptor));
|
| 455 |
ret = sizeof(qemu_mouse_hid_report_descriptor);
|
| 456 |
} else if (s->kind == USB_TABLET) { |
| 457 |
memcpy(data, qemu_tablet_hid_report_descriptor, |
| 458 |
sizeof(qemu_tablet_hid_report_descriptor));
|
| 459 |
ret = sizeof(qemu_tablet_hid_report_descriptor);
|
| 460 |
} |
| 461 |
break;
|
| 462 |
default:
|
| 463 |
goto fail;
|
| 464 |
} |
| 465 |
break;
|
| 466 |
case GET_REPORT:
|
| 467 |
if (s->kind == USB_MOUSE)
|
| 468 |
ret = usb_mouse_poll(s, data, length); |
| 469 |
else if (s->kind == USB_TABLET) |
| 470 |
ret = usb_tablet_poll(s, data, length); |
| 471 |
break;
|
| 472 |
case SET_IDLE:
|
| 473 |
ret = 0;
|
| 474 |
break;
|
| 475 |
default:
|
| 476 |
fail:
|
| 477 |
ret = USB_RET_STALL; |
| 478 |
break;
|
| 479 |
} |
| 480 |
return ret;
|
| 481 |
} |
| 482 |
|
| 483 |
static int usb_mouse_handle_data(USBDevice *dev, int pid, |
| 484 |
uint8_t devep, uint8_t *data, int len)
|
| 485 |
{
|
| 486 |
USBMouseState *s = (USBMouseState *)dev; |
| 487 |
int ret = 0; |
| 488 |
|
| 489 |
switch(pid) {
|
| 490 |
case USB_TOKEN_IN:
|
| 491 |
if (devep == 1) { |
| 492 |
if (s->kind == USB_MOUSE)
|
| 493 |
ret = usb_mouse_poll(s, data, len); |
| 494 |
else if (s->kind == USB_TABLET) |
| 495 |
ret = usb_tablet_poll(s, data, len); |
| 496 |
} else {
|
| 497 |
goto fail;
|
| 498 |
} |
| 499 |
break;
|
| 500 |
case USB_TOKEN_OUT:
|
| 501 |
default:
|
| 502 |
fail:
|
| 503 |
ret = USB_RET_STALL; |
| 504 |
break;
|
| 505 |
} |
| 506 |
return ret;
|
| 507 |
} |
| 508 |
|
| 509 |
USBDevice *usb_tablet_init(void)
|
| 510 |
{
|
| 511 |
USBMouseState *s; |
| 512 |
|
| 513 |
s = qemu_mallocz(sizeof(USBMouseState));
|
| 514 |
if (!s)
|
| 515 |
return NULL; |
| 516 |
s->dev.speed = USB_SPEED_FULL; |
| 517 |
s->dev.handle_packet = usb_generic_handle_packet; |
| 518 |
|
| 519 |
s->dev.handle_reset = usb_mouse_handle_reset; |
| 520 |
s->dev.handle_control = usb_mouse_handle_control; |
| 521 |
s->dev.handle_data = usb_mouse_handle_data; |
| 522 |
s->kind = USB_TABLET; |
| 523 |
|
| 524 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Tablet"); |
| 525 |
|
| 526 |
return (USBDevice *)s;
|
| 527 |
} |
| 528 |
|
| 529 |
USBDevice *usb_mouse_init(void)
|
| 530 |
{
|
| 531 |
USBMouseState *s; |
| 532 |
|
| 533 |
s = qemu_mallocz(sizeof(USBMouseState));
|
| 534 |
if (!s)
|
| 535 |
return NULL; |
| 536 |
s->dev.speed = USB_SPEED_FULL; |
| 537 |
s->dev.handle_packet = usb_generic_handle_packet; |
| 538 |
|
| 539 |
s->dev.handle_reset = usb_mouse_handle_reset; |
| 540 |
s->dev.handle_control = usb_mouse_handle_control; |
| 541 |
s->dev.handle_data = usb_mouse_handle_data; |
| 542 |
s->kind = USB_MOUSE; |
| 543 |
|
| 544 |
pstrcpy(s->dev.devname, sizeof(s->dev.devname), "QEMU USB Mouse"); |
| 545 |
|
| 546 |
return (USBDevice *)s;
|
| 547 |
} |