Commit 09b26c5e authored by bellard's avatar bellard

USB tablet support (Brad Campbell, Anthony Liguori)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1810 c046a42c-6fe2-441c-8c8c-71466251a162
parent 6a15fd12
......@@ -560,7 +560,7 @@ void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
s->common.update_arg = update_arg;
ps2_reset(&s->common);
register_savevm("ps2mouse", 0, 2, ps2_mouse_save, ps2_mouse_load, s);
qemu_add_mouse_event_handler(ps2_mouse_event, s);
qemu_add_mouse_event_handler(ps2_mouse_event, s, 0);
qemu_register_reset(ps2_reset, &s->common);
return s;
}
......@@ -30,9 +30,15 @@
#define SET_IDLE 0x210a
#define SET_PROTOCOL 0x210b
#define USB_MOUSE 1
#define USB_TABLET 2
typedef struct USBMouseState {
USBDevice dev;
int dx, dy, dz, buttons_state;
int x, y;
int kind;
int mouse_grabbed;
} USBMouseState;
/* mostly the same values as the Bochs USB Mouse device */
......@@ -93,6 +99,15 @@ static const uint8_t qemu_mouse_config_descriptor[] = {
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x05, /* u8 if_iInterface; */
/* HID descriptor */
0x09, /* u8 bLength; */
0x21, /* u8 bDescriptorType; */
0x01, 0x00, /* u16 HID_class */
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
50, 0, /* u16 len */
/* one endpoint (status change endpoint) */
0x07, /* u8 ep_bLength; */
0x05, /* u8 ep_bDescriptorType; Endpoint */
......@@ -100,6 +115,44 @@ static const uint8_t qemu_mouse_config_descriptor[] = {
0x03, /* u8 ep_bmAttributes; Interrupt */
0x03, 0x00, /* u16 ep_wMaxPacketSize; */
0x0a, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
};
static const uint8_t qemu_tablet_config_descriptor[] = {
/* one configuration */
0x09, /* u8 bLength; */
0x02, /* u8 bDescriptorType; Configuration */
0x22, 0x00, /* u16 wTotalLength; */
0x01, /* u8 bNumInterfaces; (1) */
0x01, /* u8 bConfigurationValue; */
0x04, /* u8 iConfiguration; */
0xa0, /* u8 bmAttributes;
Bit 7: must be set,
6: Self-powered,
5: Remote wakeup,
4..0: resvd */
50, /* u8 MaxPower; */
/* USB 1.1:
* USB 2.0, single TT organization (mandatory):
* one interface, protocol 0
*
* USB 2.0, multiple TT organization (optional):
* two interfaces, protocols 1 (like single TT)
* and 2 (multiple TT mode) ... config is
* sometimes settable
* NOT IMPLEMENTED
*/
/* 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; */
0x01, /* u8 if_bInterfaceSubClass; */
0x02, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
0x05, /* u8 if_iInterface; */
/* HID descriptor */
0x09, /* u8 bLength; */
......@@ -108,7 +161,15 @@ static const uint8_t qemu_mouse_config_descriptor[] = {
0x00, /* u8 country_code */
0x01, /* u8 num_descriptors */
0x22, /* u8 type; Report */
50, 0, /* u16 len */
74, 0, /* 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; */
0x03, /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
};
static const uint8_t qemu_mouse_hid_report_descriptor[] = {
......@@ -121,6 +182,46 @@ static const uint8_t qemu_mouse_hid_report_descriptor[] = {
0xC0, 0xC0,
};
static const uint8_t qemu_tablet_hid_report_descriptor[] = {
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x01, /* Usage Mouse */
0xA1, 0x01, /* Collection Application */
0x09, 0x01, /* Usage Pointer */
0xA1, 0x00, /* Collection Physical */
0x05, 0x09, /* Usage Page Button */
0x19, 0x01, /* Usage Minimum Button 1 */
0x29, 0x03, /* Usage Maximum Button 3 */
0x15, 0x00, /* Logical Minimum 0 */
0x25, 0x01, /* Logical Maximum 1 */
0x95, 0x03, /* Report Count 3 */
0x75, 0x01, /* Report Size 1 */
0x81, 0x02, /* Input (Data, Var, Abs) */
0x95, 0x01, /* Report Count 1 */
0x75, 0x05, /* Report Size 5 */
0x81, 0x01, /* Input (Cnst, Var, Abs) */
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x30, /* Usage X */
0x09, 0x31, /* Usage Y */
0x15, 0x00, /* Logical Minimum 0 */
0x26, 0xFF, 0x7F, /* Logical Maximum 0x7fff */
0x35, 0x00, /* Physical Minimum 0 */
0x46, 0xFE, 0x7F, /* Physical Maximum 0x7fff */
0x75, 0x10, /* Report Size 16 */
0x95, 0x02, /* Report Count 2 */
0x81, 0x02, /* Input (Data, Var, Abs) */
0x05, 0x01, /* Usage Page Generic Desktop */
0x09, 0x38, /* Usage Wheel */
0x15, 0x81, /* Logical Minimum -127 */
0x25, 0x7F, /* Logical Maximum 127 */
0x35, 0x00, /* Physical Minimum 0 (same as logical) */
0x45, 0x00, /* Physical Maximum 0 (same as logical) */
0x75, 0x08, /* Report Size 8 */
0x95, 0x01, /* Report Count 1 */
0x81, 0x02, /* Input (Data, Var, Rel) */
0xC0, /* End Collection */
0xC0, /* End Collection */
};
static void usb_mouse_event(void *opaque,
int dx1, int dy1, int dz1, int buttons_state)
{
......@@ -132,6 +233,17 @@ static void usb_mouse_event(void *opaque,
s->buttons_state = buttons_state;
}
static void usb_tablet_event(void *opaque,
int x, int y, int dz, int buttons_state)
{
USBMouseState *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)
......@@ -146,6 +258,11 @@ static int usb_mouse_poll(USBMouseState *s, uint8_t *buf, int len)
{
int dx, dy, dz, b, l;
if (!s->mouse_grabbed) {
qemu_add_mouse_event_handler(usb_mouse_event, s, 0);
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);
......@@ -173,6 +290,39 @@ static int usb_mouse_poll(USBMouseState *s, uint8_t *buf, int len)
return l;
}
static int usb_tablet_poll(USBMouseState *s, uint8_t *buf, int len)
{
int dz, b, l;
if (!s->mouse_grabbed) {
qemu_add_mouse_event_handler(usb_tablet_event, s, 1);
s->mouse_grabbed = 1;
}
dz = int_clamp(s->dz, -128, 127);
s->dz -= dz;
/* Appears we have to invert the wheel direction */
dz = 0 - 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] = s->x & 0xff;
buf[2] = s->x >> 8;
buf[3] = s->y & 0xff;
buf[4] = s->y >> 8;
buf[5] = dz;
l = 6;
return l;
}
static void usb_mouse_handle_reset(USBDevice *dev)
{
USBMouseState *s = (USBMouseState *)dev;
......@@ -180,6 +330,8 @@ static void usb_mouse_handle_reset(USBDevice *dev)
s->dx = 0;
s->dy = 0;
s->dz = 0;
s->x = 0;
s->y = 0;
s->buttons_state = 0;
}
......@@ -187,7 +339,7 @@ static int usb_mouse_handle_control(USBDevice *dev, int request, int value,
int index, int length, uint8_t *data)
{
USBMouseState *s = (USBMouseState *)dev;
int ret;
int ret = 0;
switch(request) {
case DeviceRequest | USB_REQ_GET_STATUS:
......@@ -224,9 +376,15 @@ static int usb_mouse_handle_control(USBDevice *dev, int request, int value,
ret = sizeof(qemu_mouse_dev_descriptor);
break;
case USB_DT_CONFIG:
if (s->kind == USB_MOUSE) {
memcpy(data, qemu_mouse_config_descriptor,
sizeof(qemu_mouse_config_descriptor));
ret = sizeof(qemu_mouse_config_descriptor);
} else if (s->kind == USB_TABLET) {
memcpy(data, qemu_tablet_config_descriptor,
sizeof(qemu_tablet_config_descriptor));
ret = sizeof(qemu_tablet_config_descriptor);
}
break;
case USB_DT_STRING:
switch(value & 0xff) {
......@@ -244,7 +402,10 @@ static int usb_mouse_handle_control(USBDevice *dev, int request, int value,
break;
case 2:
/* product description */
if (s->kind == USB_MOUSE)
ret = set_usb_string(data, "QEMU USB Mouse");
else if (s->kind == USB_TABLET)
ret = set_usb_string(data, "QEMU USB Tablet");
break;
case 3:
/* vendor description */
......@@ -282,16 +443,25 @@ static int usb_mouse_handle_control(USBDevice *dev, int request, int value,
case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
switch(value >> 8) {
case 0x22:
if (s->kind == USB_MOUSE) {
memcpy(data, qemu_mouse_hid_report_descriptor,
sizeof(qemu_mouse_hid_report_descriptor));
ret = sizeof(qemu_mouse_hid_report_descriptor);
} else if (s->kind == USB_TABLET) {
memcpy(data, qemu_tablet_hid_report_descriptor,
sizeof(qemu_tablet_hid_report_descriptor));
ret = sizeof(qemu_tablet_hid_report_descriptor);
}
break;
default:
goto fail;
}
break;
case GET_REPORT:
if (s->kind == USB_MOUSE)
ret = usb_mouse_poll(s, data, length);
else if (s->kind == USB_TABLET)
ret = usb_tablet_poll(s, data, length);
break;
case SET_IDLE:
ret = 0;
......@@ -308,12 +478,15 @@ static int usb_mouse_handle_data(USBDevice *dev, int pid,
uint8_t devep, uint8_t *data, int len)
{
USBMouseState *s = (USBMouseState *)dev;
int ret;
int ret = 0;
switch(pid) {
case USB_TOKEN_IN:
if (devep == 1) {
if (s->kind == USB_MOUSE)
ret = usb_mouse_poll(s, data, len);
else if (s->kind == USB_TABLET)
ret = usb_tablet_poll(s, data, len);
} else {
goto fail;
}
......@@ -327,7 +500,7 @@ static int usb_mouse_handle_data(USBDevice *dev, int pid,
return ret;
}
USBDevice *usb_mouse_init(void)
USBDevice *usb_tablet_init(void)
{
USBMouseState *s;
......@@ -340,8 +513,25 @@ USBDevice *usb_mouse_init(void)
s->dev.handle_reset = usb_mouse_handle_reset;
s->dev.handle_control = usb_mouse_handle_control;
s->dev.handle_data = usb_mouse_handle_data;
s->kind = USB_TABLET;
return (USBDevice *)s;
}
qemu_add_mouse_event_handler(usb_mouse_event, s);
USBDevice *usb_mouse_init(void)
{
USBMouseState *s;
s = qemu_mallocz(sizeof(USBMouseState));
if (!s)
return NULL;
s->dev.speed = USB_SPEED_FULL;
s->dev.handle_packet = usb_generic_handle_packet;
s->dev.handle_reset = usb_mouse_handle_reset;
s->dev.handle_control = usb_mouse_handle_control;
s->dev.handle_data = usb_mouse_handle_data;
s->kind = USB_MOUSE;
return (USBDevice *)s;
}
......@@ -163,3 +163,4 @@ void usb_host_info(void);
/* usb-hid.c */
USBDevice *usb_mouse_init(void);
USBDevice *usb_tablet_init(void);
......@@ -39,6 +39,10 @@ static int gui_keysym;
static int gui_fullscreen_initial_grab;
static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
static uint8_t modifiers_state[256];
static int width, height;
static SDL_Cursor *sdl_cursor_normal;
static SDL_Cursor *sdl_cursor_hidden;
static int absolute_enabled = 0;
static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
{
......@@ -56,6 +60,9 @@ static void sdl_resize(DisplayState *ds, int w, int h)
if (gui_fullscreen)
flags |= SDL_FULLSCREEN;
width = w;
height = h;
again:
screen = SDL_SetVideoMode(w, h, 0, flags);
if (!screen) {
......@@ -271,9 +278,21 @@ static void sdl_update_caption(void)
SDL_WM_SetCaption(buf, "QEMU");
}
static void sdl_hide_cursor(void)
{
SDL_SetCursor(sdl_cursor_hidden);
}
static void sdl_show_cursor(void)
{
if (!kbd_mouse_is_absolute()) {
SDL_SetCursor(sdl_cursor_normal);
}
}
static void sdl_grab_start(void)
{
SDL_ShowCursor(0);
sdl_hide_cursor();
SDL_WM_GrabInput(SDL_GRAB_ON);
/* dummy read to avoid moving the mouse */
SDL_GetRelativeMouseState(NULL, NULL);
......@@ -284,7 +303,7 @@ static void sdl_grab_start(void)
static void sdl_grab_end(void)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
SDL_ShowCursor(1);
sdl_show_cursor();
gui_grab = 0;
sdl_update_caption();
}
......@@ -300,6 +319,21 @@ static void sdl_send_mouse_event(int dz)
buttons |= MOUSE_EVENT_RBUTTON;
if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
buttons |= MOUSE_EVENT_MBUTTON;
if (kbd_mouse_is_absolute()) {
if (!absolute_enabled) {
sdl_hide_cursor();
if (gui_grab) {
sdl_grab_end();
}
absolute_enabled = 1;
}
SDL_GetMouseState(&dx, &dy);
dx = dx * 0x7FFF / width;
dy = dy * 0x7FFF / height;
}
kbd_mouse_event(dx, dy, dz, buttons);
}
......@@ -423,7 +457,7 @@ static void sdl_refresh(DisplayState *ds)
qemu_system_shutdown_request();
break;
case SDL_MOUSEMOTION:
if (gui_grab) {
if (gui_grab || kbd_mouse_is_absolute()) {
sdl_send_mouse_event(0);
}
break;
......@@ -431,7 +465,7 @@ static void sdl_refresh(DisplayState *ds)
case SDL_MOUSEBUTTONUP:
{
SDL_MouseButtonEvent *bev = &ev->button;
if (!gui_grab) {
if (!gui_grab && !kbd_mouse_is_absolute()) {
if (ev->type == SDL_MOUSEBUTTONDOWN &&
(bev->state & SDL_BUTTON_LMASK)) {
/* start grabbing all events */
......@@ -441,9 +475,9 @@ static void sdl_refresh(DisplayState *ds)
int dz;
dz = 0;
#ifdef SDL_BUTTON_WHEELUP
if (bev->button == SDL_BUTTON_WHEELUP) {
if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
dz = -1;
} else if (bev->button == SDL_BUTTON_WHEELDOWN) {
} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
dz = 1;
}
#endif
......@@ -471,6 +505,7 @@ static void sdl_cleanup(void)
void sdl_display_init(DisplayState *ds, int full_screen)
{
int flags;
uint8_t data = 0;
#if defined(__APPLE__)
/* always use generic keymaps */
......@@ -504,6 +539,9 @@ void sdl_display_init(DisplayState *ds, int full_screen)
SDL_EnableUNICODE(1);
gui_grab = 0;
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
sdl_cursor_normal = SDL_GetCursor();
atexit(sdl_cleanup);
if (full_screen) {
gui_fullscreen = 1;
......
......@@ -474,6 +474,7 @@ static QEMUPutKBDEvent *qemu_put_kbd_event;
static void *qemu_put_kbd_event_opaque;
static QEMUPutMouseEvent *qemu_put_mouse_event;
static void *qemu_put_mouse_event_opaque;
static int qemu_put_mouse_event_absolute;
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
{
......@@ -481,10 +482,11 @@ void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
qemu_put_kbd_event = func;
}
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque)
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute)
{
qemu_put_mouse_event_opaque = opaque;
qemu_put_mouse_event = func;
qemu_put_mouse_event_absolute = absolute;
}
void kbd_put_keycode(int keycode)
......@@ -502,6 +504,11 @@ void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
}
}
int kbd_mouse_is_absolute(void)
{
return qemu_put_mouse_event_absolute;
}
/***********************************************************/
/* timers */
......@@ -3242,6 +3249,10 @@ static int usb_device_add(const char *devname)
dev = usb_mouse_init();
if (!dev)
return -1;
} else if (!strcmp(devname, "tablet")) {
dev = usb_tablet_init();
if (!dev)
return -1;
} else {
return -1;
}
......
......@@ -158,10 +158,11 @@ typedef void QEMUPutKBDEvent(void *opaque, int keycode);
typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque);
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque);
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute);
void kbd_put_keycode(int keycode);
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state);
int kbd_mouse_is_absolute(void);
/* keysym is a unicode code except for special keys (see QEMU_KEY_xxx
constants) */
......
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