1f1ae32a1SGerd Hoffmann /*
2f1ae32a1SGerd Hoffmann * Wacom PenPartner USB tablet emulation.
3f1ae32a1SGerd Hoffmann *
4f1ae32a1SGerd Hoffmann * Copyright (c) 2006 Openedhand Ltd.
5f1ae32a1SGerd Hoffmann * Author: Andrzej Zaborowski <balrog@zabor.org>
6f1ae32a1SGerd Hoffmann *
7f1ae32a1SGerd Hoffmann * Based on hw/usb-hid.c:
8f1ae32a1SGerd Hoffmann * Copyright (c) 2005 Fabrice Bellard
9f1ae32a1SGerd Hoffmann *
10f1ae32a1SGerd Hoffmann * Permission is hereby granted, free of charge, to any person obtaining a copy
11f1ae32a1SGerd Hoffmann * of this software and associated documentation files (the "Software"), to deal
12f1ae32a1SGerd Hoffmann * in the Software without restriction, including without limitation the rights
13f1ae32a1SGerd Hoffmann * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14f1ae32a1SGerd Hoffmann * copies of the Software, and to permit persons to whom the Software is
15f1ae32a1SGerd Hoffmann * furnished to do so, subject to the following conditions:
16f1ae32a1SGerd Hoffmann *
17f1ae32a1SGerd Hoffmann * The above copyright notice and this permission notice shall be included in
18f1ae32a1SGerd Hoffmann * all copies or substantial portions of the Software.
19f1ae32a1SGerd Hoffmann *
20f1ae32a1SGerd Hoffmann * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21f1ae32a1SGerd Hoffmann * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22f1ae32a1SGerd Hoffmann * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23f1ae32a1SGerd Hoffmann * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24f1ae32a1SGerd Hoffmann * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25f1ae32a1SGerd Hoffmann * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26f1ae32a1SGerd Hoffmann * THE SOFTWARE.
27f1ae32a1SGerd Hoffmann */
280b8fa32fSMarkus Armbruster
29e532b2e0SPeter Maydell #include "qemu/osdep.h"
3028ecbaeeSPaolo Bonzini #include "ui/console.h"
31f1ae32a1SGerd Hoffmann #include "hw/usb.h"
3284b6c236SCésar Belley #include "hw/usb/hid.h"
33d6454270SMarkus Armbruster #include "migration/vmstate.h"
340b8fa32fSMarkus Armbruster #include "qemu/module.h"
35463581a8SMichael S. Tsirkin #include "desc.h"
36db1015e9SEduardo Habkost #include "qom/object.h"
37f1ae32a1SGerd Hoffmann
38f1ae32a1SGerd Hoffmann /* Interface requests */
39f1ae32a1SGerd Hoffmann #define WACOM_GET_REPORT 0x2101
40f1ae32a1SGerd Hoffmann #define WACOM_SET_REPORT 0x2109
41f1ae32a1SGerd Hoffmann
42db1015e9SEduardo Habkost struct USBWacomState {
43f1ae32a1SGerd Hoffmann USBDevice dev;
448beba930SHans de Goede USBEndpoint *intr;
45f1ae32a1SGerd Hoffmann QEMUPutMouseEntry *eh_entry;
46f1ae32a1SGerd Hoffmann int dx, dy, dz, buttons_state;
47f1ae32a1SGerd Hoffmann int x, y;
48f1ae32a1SGerd Hoffmann int mouse_grabbed;
49f1ae32a1SGerd Hoffmann enum {
50f1ae32a1SGerd Hoffmann WACOM_MODE_HID = 1,
51f1ae32a1SGerd Hoffmann WACOM_MODE_WACOM = 2,
52f1ae32a1SGerd Hoffmann } mode;
53f1ae32a1SGerd Hoffmann uint8_t idle;
54f1ae32a1SGerd Hoffmann int changed;
55db1015e9SEduardo Habkost };
56f1ae32a1SGerd Hoffmann
57924e567eSGonglei #define TYPE_USB_WACOM "usb-wacom-tablet"
588063396bSEduardo Habkost OBJECT_DECLARE_SIMPLE_TYPE(USBWacomState, USB_WACOM)
59924e567eSGonglei
60f1ae32a1SGerd Hoffmann enum {
61f1ae32a1SGerd Hoffmann STR_MANUFACTURER = 1,
62f1ae32a1SGerd Hoffmann STR_PRODUCT,
63f1ae32a1SGerd Hoffmann STR_SERIALNUMBER,
64f1ae32a1SGerd Hoffmann };
65f1ae32a1SGerd Hoffmann
66f1ae32a1SGerd Hoffmann static const USBDescStrings desc_strings = {
6793bfef4cSCrístian Viana [STR_MANUFACTURER] = "QEMU",
68f1ae32a1SGerd Hoffmann [STR_PRODUCT] = "Wacom PenPartner",
69f1ae32a1SGerd Hoffmann [STR_SERIALNUMBER] = "1",
70f1ae32a1SGerd Hoffmann };
71f1ae32a1SGerd Hoffmann
72*5280117bSDario Binacchi static const uint8_t qemu_wacom_hid_report_descriptor[] = {
73*5280117bSDario Binacchi 0x05, 0x01, /* Usage Page (Desktop) */
74*5280117bSDario Binacchi 0x09, 0x02, /* Usage (Mouse) */
75*5280117bSDario Binacchi 0xa1, 0x01, /* Collection (Application) */
76*5280117bSDario Binacchi 0x85, 0x01, /* Report ID (1) */
77*5280117bSDario Binacchi 0x09, 0x01, /* Usage (Pointer) */
78*5280117bSDario Binacchi 0xa1, 0x00, /* Collection (Physical) */
79*5280117bSDario Binacchi 0x05, 0x09, /* Usage Page (Button) */
80*5280117bSDario Binacchi 0x19, 0x01, /* Usage Minimum (01h) */
81*5280117bSDario Binacchi 0x29, 0x03, /* Usage Maximum (03h) */
82*5280117bSDario Binacchi 0x15, 0x00, /* Logical Minimum (0) */
83*5280117bSDario Binacchi 0x25, 0x01, /* Logical Maximum (1) */
84*5280117bSDario Binacchi 0x95, 0x03, /* Report Count (3) */
85*5280117bSDario Binacchi 0x75, 0x01, /* Report Size (1) */
86*5280117bSDario Binacchi 0x81, 0x02, /* Input (Data, Variable, Absolute) */
87*5280117bSDario Binacchi 0x95, 0x01, /* Report Count (1) */
88*5280117bSDario Binacchi 0x75, 0x05, /* Report Size (5) */
89*5280117bSDario Binacchi 0x81, 0x01, /* Input (Constant) */
90*5280117bSDario Binacchi 0x05, 0x01, /* Usage Page (Desktop) */
91*5280117bSDario Binacchi 0x09, 0x30, /* Usage (X) */
92*5280117bSDario Binacchi 0x09, 0x31, /* Usage (Y) */
93*5280117bSDario Binacchi 0x09, 0x38, /* Usage (Wheel) */
94*5280117bSDario Binacchi 0x15, 0x81, /* Logical Minimum (-127) */
95*5280117bSDario Binacchi 0x25, 0x7f, /* Logical Maximum (127) */
96*5280117bSDario Binacchi 0x75, 0x08, /* Report Size (8) */
97*5280117bSDario Binacchi 0x95, 0x03, /* Report Count (3) */
98*5280117bSDario Binacchi 0x81, 0x06, /* Input (Data, Variable, Relative) */
99*5280117bSDario Binacchi 0x95, 0x03, /* Report Count (3) */
100*5280117bSDario Binacchi 0x81, 0x01, /* Input (Constant) */
101*5280117bSDario Binacchi 0xc0, /* End Collection */
102*5280117bSDario Binacchi 0xc0, /* End Collection */
103*5280117bSDario Binacchi 0x05, 0x0d, /* Usage Page (Digitizer) */
104*5280117bSDario Binacchi 0x09, 0x01, /* Usage (Digitizer) */
105*5280117bSDario Binacchi 0xa1, 0x01, /* Collection (Application) */
106*5280117bSDario Binacchi 0x85, 0x02, /* Report ID (2) */
107*5280117bSDario Binacchi 0xa1, 0x00, /* Collection (Physical) */
108*5280117bSDario Binacchi 0x06, 0x00, 0xff,/* Usage Page (ff00h), vendor-defined */
109*5280117bSDario Binacchi 0x09, 0x01, /* Usage (01h) */
110*5280117bSDario Binacchi 0x15, 0x00, /* Logical Minimum (0) */
111*5280117bSDario Binacchi 0x26, 0xff, 0x00,/* Logical Maximum (255) */
112*5280117bSDario Binacchi 0x75, 0x08, /* Report Size (8) */
113*5280117bSDario Binacchi 0x95, 0x07, /* Report Count (7) */
114*5280117bSDario Binacchi 0x81, 0x02, /* Input (Data, Variable, Absolute) */
115*5280117bSDario Binacchi 0xc0, /* End Collection */
116*5280117bSDario Binacchi 0x09, 0x01, /* Usage (01h) */
117*5280117bSDario Binacchi 0x85, 0x63, /* Report ID (99) */
118*5280117bSDario Binacchi 0x95, 0x07, /* Report Count (7) */
119*5280117bSDario Binacchi 0x81, 0x02, /* Input (Data, Variable, Absolute) */
120*5280117bSDario Binacchi 0x09, 0x01, /* Usage (01h) */
121*5280117bSDario Binacchi 0x85, 0x02, /* Report ID (2) */
122*5280117bSDario Binacchi 0x95, 0x01, /* Report Count (1) */
123*5280117bSDario Binacchi 0xb1, 0x02, /* Feature (Variable) */
124*5280117bSDario Binacchi 0x09, 0x01, /* Usage (01h) */
125*5280117bSDario Binacchi 0x85, 0x03, /* Report ID (3) */
126*5280117bSDario Binacchi 0x95, 0x01, /* Report Count (1) */
127*5280117bSDario Binacchi 0xb1, 0x02, /* Feature (Variable) */
128*5280117bSDario Binacchi 0xc0 /* End Collection */
129*5280117bSDario Binacchi };
130*5280117bSDario Binacchi
131f1ae32a1SGerd Hoffmann static const USBDescIface desc_iface_wacom = {
132f1ae32a1SGerd Hoffmann .bInterfaceNumber = 0,
133f1ae32a1SGerd Hoffmann .bNumEndpoints = 1,
134f1ae32a1SGerd Hoffmann .bInterfaceClass = USB_CLASS_HID,
135f1ae32a1SGerd Hoffmann .bInterfaceSubClass = 0x01, /* boot */
136f1ae32a1SGerd Hoffmann .bInterfaceProtocol = 0x02,
137f1ae32a1SGerd Hoffmann .ndesc = 1,
138f1ae32a1SGerd Hoffmann .descs = (USBDescOther[]) {
139f1ae32a1SGerd Hoffmann {
140f1ae32a1SGerd Hoffmann /* HID descriptor */
141f1ae32a1SGerd Hoffmann .data = (uint8_t[]) {
142f1ae32a1SGerd Hoffmann 0x09, /* u8 bLength */
14384b6c236SCésar Belley USB_DT_HID, /* u8 bDescriptorType */
144f1ae32a1SGerd Hoffmann 0x01, 0x10, /* u16 HID_class */
145f1ae32a1SGerd Hoffmann 0x00, /* u8 country_code */
146f1ae32a1SGerd Hoffmann 0x01, /* u8 num_descriptors */
14784b6c236SCésar Belley USB_DT_REPORT, /* u8 type: Report */
148*5280117bSDario Binacchi sizeof(qemu_wacom_hid_report_descriptor), 0, /* u16 len */
149f1ae32a1SGerd Hoffmann },
150f1ae32a1SGerd Hoffmann },
151f1ae32a1SGerd Hoffmann },
152f1ae32a1SGerd Hoffmann .eps = (USBDescEndpoint[]) {
153f1ae32a1SGerd Hoffmann {
154f1ae32a1SGerd Hoffmann .bEndpointAddress = USB_DIR_IN | 0x01,
155f1ae32a1SGerd Hoffmann .bmAttributes = USB_ENDPOINT_XFER_INT,
156f1ae32a1SGerd Hoffmann .wMaxPacketSize = 8,
157f1ae32a1SGerd Hoffmann .bInterval = 0x0a,
158f1ae32a1SGerd Hoffmann },
159f1ae32a1SGerd Hoffmann },
160f1ae32a1SGerd Hoffmann };
161f1ae32a1SGerd Hoffmann
162f1ae32a1SGerd Hoffmann static const USBDescDevice desc_device_wacom = {
163f1ae32a1SGerd Hoffmann .bcdUSB = 0x0110,
164f1ae32a1SGerd Hoffmann .bMaxPacketSize0 = 8,
165f1ae32a1SGerd Hoffmann .bNumConfigurations = 1,
166f1ae32a1SGerd Hoffmann .confs = (USBDescConfig[]) {
167f1ae32a1SGerd Hoffmann {
168f1ae32a1SGerd Hoffmann .bNumInterfaces = 1,
169f1ae32a1SGerd Hoffmann .bConfigurationValue = 1,
170bd93976aSPantelis Koukousoulas .bmAttributes = USB_CFG_ATT_ONE,
171f1ae32a1SGerd Hoffmann .bMaxPower = 40,
172f1ae32a1SGerd Hoffmann .nif = 1,
173f1ae32a1SGerd Hoffmann .ifs = &desc_iface_wacom,
174f1ae32a1SGerd Hoffmann },
175f1ae32a1SGerd Hoffmann },
176f1ae32a1SGerd Hoffmann };
177f1ae32a1SGerd Hoffmann
178f1ae32a1SGerd Hoffmann static const USBDesc desc_wacom = {
179f1ae32a1SGerd Hoffmann .id = {
180f1ae32a1SGerd Hoffmann .idVendor = 0x056a,
181f1ae32a1SGerd Hoffmann .idProduct = 0x0000,
182f1ae32a1SGerd Hoffmann .bcdDevice = 0x4210,
183f1ae32a1SGerd Hoffmann .iManufacturer = STR_MANUFACTURER,
184f1ae32a1SGerd Hoffmann .iProduct = STR_PRODUCT,
185f1ae32a1SGerd Hoffmann .iSerialNumber = STR_SERIALNUMBER,
186f1ae32a1SGerd Hoffmann },
187f1ae32a1SGerd Hoffmann .full = &desc_device_wacom,
188f1ae32a1SGerd Hoffmann .str = desc_strings,
189f1ae32a1SGerd Hoffmann };
190f1ae32a1SGerd Hoffmann
usb_mouse_event(void * opaque,int dx1,int dy1,int dz1,int buttons_state)191f1ae32a1SGerd Hoffmann static void usb_mouse_event(void *opaque,
192f1ae32a1SGerd Hoffmann int dx1, int dy1, int dz1, int buttons_state)
193f1ae32a1SGerd Hoffmann {
194f1ae32a1SGerd Hoffmann USBWacomState *s = opaque;
195f1ae32a1SGerd Hoffmann
196f1ae32a1SGerd Hoffmann s->dx += dx1;
197f1ae32a1SGerd Hoffmann s->dy += dy1;
198f1ae32a1SGerd Hoffmann s->dz += dz1;
199f1ae32a1SGerd Hoffmann s->buttons_state = buttons_state;
200f1ae32a1SGerd Hoffmann s->changed = 1;
2018550a02dSGerd Hoffmann usb_wakeup(s->intr, 0);
202f1ae32a1SGerd Hoffmann }
203f1ae32a1SGerd Hoffmann
usb_wacom_event(void * opaque,int x,int y,int dz,int buttons_state)204f1ae32a1SGerd Hoffmann static void usb_wacom_event(void *opaque,
205f1ae32a1SGerd Hoffmann int x, int y, int dz, int buttons_state)
206f1ae32a1SGerd Hoffmann {
207f1ae32a1SGerd Hoffmann USBWacomState *s = opaque;
208f1ae32a1SGerd Hoffmann
209f1ae32a1SGerd Hoffmann /* scale to Penpartner resolution */
210f1ae32a1SGerd Hoffmann s->x = (x * 5040 / 0x7FFF);
211f1ae32a1SGerd Hoffmann s->y = (y * 3780 / 0x7FFF);
212f1ae32a1SGerd Hoffmann s->dz += dz;
213f1ae32a1SGerd Hoffmann s->buttons_state = buttons_state;
214f1ae32a1SGerd Hoffmann s->changed = 1;
2158550a02dSGerd Hoffmann usb_wakeup(s->intr, 0);
216f1ae32a1SGerd Hoffmann }
217f1ae32a1SGerd Hoffmann
int_clamp(int val,int vmin,int vmax)218f1ae32a1SGerd Hoffmann static inline int int_clamp(int val, int vmin, int vmax)
219f1ae32a1SGerd Hoffmann {
220f1ae32a1SGerd Hoffmann if (val < vmin)
221f1ae32a1SGerd Hoffmann return vmin;
222f1ae32a1SGerd Hoffmann else if (val > vmax)
223f1ae32a1SGerd Hoffmann return vmax;
224f1ae32a1SGerd Hoffmann else
225f1ae32a1SGerd Hoffmann return val;
226f1ae32a1SGerd Hoffmann }
227f1ae32a1SGerd Hoffmann
usb_mouse_poll(USBWacomState * s,uint8_t * buf,int len)228f1ae32a1SGerd Hoffmann static int usb_mouse_poll(USBWacomState *s, uint8_t *buf, int len)
229f1ae32a1SGerd Hoffmann {
230f1ae32a1SGerd Hoffmann int dx, dy, dz, b, l;
231f1ae32a1SGerd Hoffmann
232f1ae32a1SGerd Hoffmann if (!s->mouse_grabbed) {
233f1ae32a1SGerd Hoffmann s->eh_entry = qemu_add_mouse_event_handler(usb_mouse_event, s, 0,
234f1ae32a1SGerd Hoffmann "QEMU PenPartner tablet");
235f1ae32a1SGerd Hoffmann qemu_activate_mouse_event_handler(s->eh_entry);
236f1ae32a1SGerd Hoffmann s->mouse_grabbed = 1;
237f1ae32a1SGerd Hoffmann }
238f1ae32a1SGerd Hoffmann
239f1ae32a1SGerd Hoffmann dx = int_clamp(s->dx, -128, 127);
240f1ae32a1SGerd Hoffmann dy = int_clamp(s->dy, -128, 127);
241f1ae32a1SGerd Hoffmann dz = int_clamp(s->dz, -128, 127);
242f1ae32a1SGerd Hoffmann
243f1ae32a1SGerd Hoffmann s->dx -= dx;
244f1ae32a1SGerd Hoffmann s->dy -= dy;
245f1ae32a1SGerd Hoffmann s->dz -= dz;
246f1ae32a1SGerd Hoffmann
247f1ae32a1SGerd Hoffmann b = 0;
248f1ae32a1SGerd Hoffmann if (s->buttons_state & MOUSE_EVENT_LBUTTON)
249f1ae32a1SGerd Hoffmann b |= 0x01;
250f1ae32a1SGerd Hoffmann if (s->buttons_state & MOUSE_EVENT_RBUTTON)
251f1ae32a1SGerd Hoffmann b |= 0x02;
252f1ae32a1SGerd Hoffmann if (s->buttons_state & MOUSE_EVENT_MBUTTON)
253f1ae32a1SGerd Hoffmann b |= 0x04;
254f1ae32a1SGerd Hoffmann
255f1ae32a1SGerd Hoffmann buf[0] = b;
256f1ae32a1SGerd Hoffmann buf[1] = dx;
257f1ae32a1SGerd Hoffmann buf[2] = dy;
258f1ae32a1SGerd Hoffmann l = 3;
259f1ae32a1SGerd Hoffmann if (len >= 4) {
260f1ae32a1SGerd Hoffmann buf[3] = dz;
261f1ae32a1SGerd Hoffmann l = 4;
262f1ae32a1SGerd Hoffmann }
263f1ae32a1SGerd Hoffmann return l;
264f1ae32a1SGerd Hoffmann }
265f1ae32a1SGerd Hoffmann
usb_wacom_poll(USBWacomState * s,uint8_t * buf,int len)266f1ae32a1SGerd Hoffmann static int usb_wacom_poll(USBWacomState *s, uint8_t *buf, int len)
267f1ae32a1SGerd Hoffmann {
268f1ae32a1SGerd Hoffmann int b;
269f1ae32a1SGerd Hoffmann
270f1ae32a1SGerd Hoffmann if (!s->mouse_grabbed) {
271f1ae32a1SGerd Hoffmann s->eh_entry = qemu_add_mouse_event_handler(usb_wacom_event, s, 1,
272f1ae32a1SGerd Hoffmann "QEMU PenPartner tablet");
273f1ae32a1SGerd Hoffmann qemu_activate_mouse_event_handler(s->eh_entry);
274f1ae32a1SGerd Hoffmann s->mouse_grabbed = 1;
275f1ae32a1SGerd Hoffmann }
276f1ae32a1SGerd Hoffmann
277f1ae32a1SGerd Hoffmann b = 0;
278f1ae32a1SGerd Hoffmann if (s->buttons_state & MOUSE_EVENT_LBUTTON)
279f1ae32a1SGerd Hoffmann b |= 0x01;
280f1ae32a1SGerd Hoffmann if (s->buttons_state & MOUSE_EVENT_RBUTTON)
281f1ae32a1SGerd Hoffmann b |= 0x40;
282f1ae32a1SGerd Hoffmann if (s->buttons_state & MOUSE_EVENT_MBUTTON)
283f1ae32a1SGerd Hoffmann b |= 0x20; /* eraser */
284f1ae32a1SGerd Hoffmann
285f1ae32a1SGerd Hoffmann if (len < 7)
286f1ae32a1SGerd Hoffmann return 0;
287f1ae32a1SGerd Hoffmann
288f1ae32a1SGerd Hoffmann buf[0] = s->mode;
289f1ae32a1SGerd Hoffmann buf[5] = 0x00 | (b & 0xf0);
290f1ae32a1SGerd Hoffmann buf[1] = s->x & 0xff;
291f1ae32a1SGerd Hoffmann buf[2] = s->x >> 8;
292f1ae32a1SGerd Hoffmann buf[3] = s->y & 0xff;
293f1ae32a1SGerd Hoffmann buf[4] = s->y >> 8;
294f1ae32a1SGerd Hoffmann if (b & 0x3f) {
295f1ae32a1SGerd Hoffmann buf[6] = 0;
296f1ae32a1SGerd Hoffmann } else {
297f1ae32a1SGerd Hoffmann buf[6] = (unsigned char) -127;
298f1ae32a1SGerd Hoffmann }
299f1ae32a1SGerd Hoffmann
300f1ae32a1SGerd Hoffmann return 7;
301f1ae32a1SGerd Hoffmann }
302f1ae32a1SGerd Hoffmann
usb_wacom_handle_reset(USBDevice * dev)303f1ae32a1SGerd Hoffmann static void usb_wacom_handle_reset(USBDevice *dev)
304f1ae32a1SGerd Hoffmann {
305f1ae32a1SGerd Hoffmann USBWacomState *s = (USBWacomState *) dev;
306f1ae32a1SGerd Hoffmann
307f1ae32a1SGerd Hoffmann s->dx = 0;
308f1ae32a1SGerd Hoffmann s->dy = 0;
309f1ae32a1SGerd Hoffmann s->dz = 0;
310f1ae32a1SGerd Hoffmann s->x = 0;
311f1ae32a1SGerd Hoffmann s->y = 0;
312f1ae32a1SGerd Hoffmann s->buttons_state = 0;
313f1ae32a1SGerd Hoffmann s->mode = WACOM_MODE_HID;
314f1ae32a1SGerd Hoffmann }
315f1ae32a1SGerd Hoffmann
usb_wacom_handle_control(USBDevice * dev,USBPacket * p,int request,int value,int index,int length,uint8_t * data)3169a77a0f5SHans de Goede static void usb_wacom_handle_control(USBDevice *dev, USBPacket *p,
317f1ae32a1SGerd Hoffmann int request, int value, int index, int length, uint8_t *data)
318f1ae32a1SGerd Hoffmann {
319f1ae32a1SGerd Hoffmann USBWacomState *s = (USBWacomState *) dev;
320f1ae32a1SGerd Hoffmann int ret;
321f1ae32a1SGerd Hoffmann
322f1ae32a1SGerd Hoffmann ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
323f1ae32a1SGerd Hoffmann if (ret >= 0) {
3249a77a0f5SHans de Goede return;
325f1ae32a1SGerd Hoffmann }
326f1ae32a1SGerd Hoffmann
327f1ae32a1SGerd Hoffmann switch (request) {
328*5280117bSDario Binacchi case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
329*5280117bSDario Binacchi switch (value >> 8) {
330*5280117bSDario Binacchi case 0x22:
331*5280117bSDario Binacchi memcpy(data, qemu_wacom_hid_report_descriptor,
332*5280117bSDario Binacchi sizeof(qemu_wacom_hid_report_descriptor));
333*5280117bSDario Binacchi p->actual_length = sizeof(qemu_wacom_hid_report_descriptor);
334*5280117bSDario Binacchi break;
335*5280117bSDario Binacchi default:
336*5280117bSDario Binacchi return;
337*5280117bSDario Binacchi }
338*5280117bSDario Binacchi break;
339f1ae32a1SGerd Hoffmann case WACOM_SET_REPORT:
340f1ae32a1SGerd Hoffmann if (s->mouse_grabbed) {
341f1ae32a1SGerd Hoffmann qemu_remove_mouse_event_handler(s->eh_entry);
342f1ae32a1SGerd Hoffmann s->mouse_grabbed = 0;
343f1ae32a1SGerd Hoffmann }
344f1ae32a1SGerd Hoffmann s->mode = data[0];
345f1ae32a1SGerd Hoffmann break;
346f1ae32a1SGerd Hoffmann case WACOM_GET_REPORT:
347f1ae32a1SGerd Hoffmann data[0] = 0;
348f1ae32a1SGerd Hoffmann data[1] = s->mode;
3499a77a0f5SHans de Goede p->actual_length = 2;
350f1ae32a1SGerd Hoffmann break;
351f1ae32a1SGerd Hoffmann /* USB HID requests */
352f1ae32a1SGerd Hoffmann case HID_GET_REPORT:
353f1ae32a1SGerd Hoffmann if (s->mode == WACOM_MODE_HID)
3549a77a0f5SHans de Goede p->actual_length = usb_mouse_poll(s, data, length);
355f1ae32a1SGerd Hoffmann else if (s->mode == WACOM_MODE_WACOM)
3569a77a0f5SHans de Goede p->actual_length = usb_wacom_poll(s, data, length);
357f1ae32a1SGerd Hoffmann break;
358f1ae32a1SGerd Hoffmann case HID_GET_IDLE:
359f1ae32a1SGerd Hoffmann data[0] = s->idle;
3609a77a0f5SHans de Goede p->actual_length = 1;
361f1ae32a1SGerd Hoffmann break;
362f1ae32a1SGerd Hoffmann case HID_SET_IDLE:
363f1ae32a1SGerd Hoffmann s->idle = (uint8_t) (value >> 8);
364f1ae32a1SGerd Hoffmann break;
365f1ae32a1SGerd Hoffmann default:
3669a77a0f5SHans de Goede p->status = USB_RET_STALL;
367f1ae32a1SGerd Hoffmann break;
368f1ae32a1SGerd Hoffmann }
369f1ae32a1SGerd Hoffmann }
370f1ae32a1SGerd Hoffmann
usb_wacom_handle_data(USBDevice * dev,USBPacket * p)3719a77a0f5SHans de Goede static void usb_wacom_handle_data(USBDevice *dev, USBPacket *p)
372f1ae32a1SGerd Hoffmann {
373f1ae32a1SGerd Hoffmann USBWacomState *s = (USBWacomState *) dev;
3743f67e2e7SGerd Hoffmann g_autofree uint8_t *buf = g_malloc(p->iov.size);
3759a77a0f5SHans de Goede int len = 0;
376f1ae32a1SGerd Hoffmann
377f1ae32a1SGerd Hoffmann switch (p->pid) {
378f1ae32a1SGerd Hoffmann case USB_TOKEN_IN:
379f1ae32a1SGerd Hoffmann if (p->ep->nr == 1) {
3809a77a0f5SHans de Goede if (!(s->changed || s->idle)) {
3819a77a0f5SHans de Goede p->status = USB_RET_NAK;
3829a77a0f5SHans de Goede return;
3839a77a0f5SHans de Goede }
384f1ae32a1SGerd Hoffmann s->changed = 0;
385f1ae32a1SGerd Hoffmann if (s->mode == WACOM_MODE_HID)
3869a77a0f5SHans de Goede len = usb_mouse_poll(s, buf, p->iov.size);
387f1ae32a1SGerd Hoffmann else if (s->mode == WACOM_MODE_WACOM)
3889a77a0f5SHans de Goede len = usb_wacom_poll(s, buf, p->iov.size);
3899a77a0f5SHans de Goede usb_packet_copy(p, buf, len);
390f1ae32a1SGerd Hoffmann break;
391f1ae32a1SGerd Hoffmann }
392f1ae32a1SGerd Hoffmann /* Fall through. */
393f1ae32a1SGerd Hoffmann case USB_TOKEN_OUT:
394f1ae32a1SGerd Hoffmann default:
3959a77a0f5SHans de Goede p->status = USB_RET_STALL;
396f1ae32a1SGerd Hoffmann }
397f1ae32a1SGerd Hoffmann }
398f1ae32a1SGerd Hoffmann
usb_wacom_unrealize(USBDevice * dev)399b69c3c21SMarkus Armbruster static void usb_wacom_unrealize(USBDevice *dev)
400f1ae32a1SGerd Hoffmann {
401f1ae32a1SGerd Hoffmann USBWacomState *s = (USBWacomState *) dev;
402f1ae32a1SGerd Hoffmann
403f1ae32a1SGerd Hoffmann if (s->mouse_grabbed) {
404f1ae32a1SGerd Hoffmann qemu_remove_mouse_event_handler(s->eh_entry);
405f1ae32a1SGerd Hoffmann s->mouse_grabbed = 0;
406f1ae32a1SGerd Hoffmann }
407f1ae32a1SGerd Hoffmann }
408f1ae32a1SGerd Hoffmann
usb_wacom_realize(USBDevice * dev,Error ** errp)40927107d41SGonglei static void usb_wacom_realize(USBDevice *dev, Error **errp)
410f1ae32a1SGerd Hoffmann {
411924e567eSGonglei USBWacomState *s = USB_WACOM(dev);
4129d55d1adSGerd Hoffmann usb_desc_create_serial(dev);
413f1ae32a1SGerd Hoffmann usb_desc_init(dev);
4148beba930SHans de Goede s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
415f1ae32a1SGerd Hoffmann s->changed = 1;
416f1ae32a1SGerd Hoffmann }
417f1ae32a1SGerd Hoffmann
418f1ae32a1SGerd Hoffmann static const VMStateDescription vmstate_usb_wacom = {
419f1ae32a1SGerd Hoffmann .name = "usb-wacom",
420f1ae32a1SGerd Hoffmann .unmigratable = 1,
421f1ae32a1SGerd Hoffmann };
422f1ae32a1SGerd Hoffmann
usb_wacom_class_init(ObjectClass * klass,void * data)423f1ae32a1SGerd Hoffmann static void usb_wacom_class_init(ObjectClass *klass, void *data)
424f1ae32a1SGerd Hoffmann {
425f1ae32a1SGerd Hoffmann DeviceClass *dc = DEVICE_CLASS(klass);
426f1ae32a1SGerd Hoffmann USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
427f1ae32a1SGerd Hoffmann
428f1ae32a1SGerd Hoffmann uc->product_desc = "QEMU PenPartner Tablet";
429f1ae32a1SGerd Hoffmann uc->usb_desc = &desc_wacom;
43027107d41SGonglei uc->realize = usb_wacom_realize;
431f1ae32a1SGerd Hoffmann uc->handle_reset = usb_wacom_handle_reset;
432f1ae32a1SGerd Hoffmann uc->handle_control = usb_wacom_handle_control;
433f1ae32a1SGerd Hoffmann uc->handle_data = usb_wacom_handle_data;
434c4fe9700SMarc-André Lureau uc->unrealize = usb_wacom_unrealize;
435125ee0edSMarcel Apfelbaum set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
436f1ae32a1SGerd Hoffmann dc->desc = "QEMU PenPartner Tablet";
437f1ae32a1SGerd Hoffmann dc->vmsd = &vmstate_usb_wacom;
438f1ae32a1SGerd Hoffmann }
439f1ae32a1SGerd Hoffmann
4408c43a6f0SAndreas Färber static const TypeInfo wacom_info = {
441924e567eSGonglei .name = TYPE_USB_WACOM,
442f1ae32a1SGerd Hoffmann .parent = TYPE_USB_DEVICE,
443f1ae32a1SGerd Hoffmann .instance_size = sizeof(USBWacomState),
444f1ae32a1SGerd Hoffmann .class_init = usb_wacom_class_init,
445f1ae32a1SGerd Hoffmann };
446f1ae32a1SGerd Hoffmann
usb_wacom_register_types(void)447f1ae32a1SGerd Hoffmann static void usb_wacom_register_types(void)
448f1ae32a1SGerd Hoffmann {
449f1ae32a1SGerd Hoffmann type_register_static(&wacom_info);
450924e567eSGonglei usb_legacy_register(TYPE_USB_WACOM, "wacom-tablet", NULL);
451f1ae32a1SGerd Hoffmann }
452f1ae32a1SGerd Hoffmann
453f1ae32a1SGerd Hoffmann type_init(usb_wacom_register_types)
454