diff options
Diffstat (limited to 'qemu/hw/usb/dev-wacom.c')
| -rw-r--r-- | qemu/hw/usb/dev-wacom.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/qemu/hw/usb/dev-wacom.c b/qemu/hw/usb/dev-wacom.c deleted file mode 100644 index c4702dbba..000000000 --- a/qemu/hw/usb/dev-wacom.c +++ /dev/null @@ -1,386 +0,0 @@ -/* - * 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 "qemu/osdep.h" -#include "hw/hw.h" -#include "ui/console.h" -#include "hw/usb.h" -#include "hw/usb/desc.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; - USBEndpoint *intr; - 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; - uint8_t idle; - int changed; -} USBWacomState; - -#define TYPE_USB_WACOM "usb-wacom-tablet" -#define USB_WACOM(obj) OBJECT_CHECK(USBWacomState, (obj), TYPE_USB_WACOM) - -enum { - STR_MANUFACTURER = 1, - STR_PRODUCT, - STR_SERIALNUMBER, -}; - -static const USBDescStrings desc_strings = { - [STR_MANUFACTURER] = "QEMU", - [STR_PRODUCT] = "Wacom PenPartner", - [STR_SERIALNUMBER] = "1", -}; - -static const USBDescIface desc_iface_wacom = { - .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_wacom = { - .bcdUSB = 0x0110, - .bMaxPacketSize0 = 8, - .bNumConfigurations = 1, - .confs = (USBDescConfig[]) { - { - .bNumInterfaces = 1, - .bConfigurationValue = 1, - .bmAttributes = USB_CFG_ATT_ONE, - .bMaxPower = 40, - .nif = 1, - .ifs = &desc_iface_wacom, - }, - }, -}; - -static const USBDesc desc_wacom = { - .id = { - .idVendor = 0x056a, - .idProduct = 0x0000, - .bcdDevice = 0x4210, - .iManufacturer = STR_MANUFACTURER, - .iProduct = STR_PRODUCT, - .iSerialNumber = STR_SERIALNUMBER, - }, - .full = &desc_device_wacom, - .str = desc_strings, -}; - -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; - s->changed = 1; - usb_wakeup(s->intr, 0); -} - -static void usb_wacom_event(void *opaque, - int x, int y, int dz, int buttons_state) -{ - USBWacomState *s = opaque; - - /* scale to Penpartner resolution */ - s->x = (x * 5040 / 0x7FFF); - s->y = (y * 3780 / 0x7FFF); - s->dz += dz; - s->buttons_state = buttons_state; - s->changed = 1; - usb_wakeup(s->intr, 0); -} - -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"); - qemu_activate_mouse_event_handler(s->eh_entry); - 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"); - qemu_activate_mouse_event_handler(s->eh_entry); - s->mouse_grabbed = 1; - } - - b = 0; - if (s->buttons_state & MOUSE_EVENT_LBUTTON) - b |= 0x01; - if (s->buttons_state & MOUSE_EVENT_RBUTTON) - b |= 0x40; - if (s->buttons_state & MOUSE_EVENT_MBUTTON) - b |= 0x20; /* eraser */ - - if (len < 7) - return 0; - - buf[0] = s->mode; - buf[5] = 0x00 | (b & 0xf0); - buf[1] = s->x & 0xff; - buf[2] = s->x >> 8; - buf[3] = s->y & 0xff; - buf[4] = s->y >> 8; - if (b & 0x3f) { - buf[6] = 0; - } else { - 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 void usb_wacom_handle_control(USBDevice *dev, USBPacket *p, - int request, int value, int index, int length, uint8_t *data) -{ - USBWacomState *s = (USBWacomState *) dev; - int ret; - - ret = usb_desc_handle_control(dev, p, request, value, index, length, data); - if (ret >= 0) { - return; - } - - switch (request) { - case WACOM_SET_REPORT: - if (s->mouse_grabbed) { - qemu_remove_mouse_event_handler(s->eh_entry); - s->mouse_grabbed = 0; - } - s->mode = data[0]; - break; - case WACOM_GET_REPORT: - data[0] = 0; - data[1] = s->mode; - p->actual_length = 2; - break; - /* USB HID requests */ - case HID_GET_REPORT: - if (s->mode == WACOM_MODE_HID) - p->actual_length = usb_mouse_poll(s, data, length); - else if (s->mode == WACOM_MODE_WACOM) - p->actual_length = usb_wacom_poll(s, data, length); - break; - case HID_GET_IDLE: - data[0] = s->idle; - p->actual_length = 1; - break; - case HID_SET_IDLE: - s->idle = (uint8_t) (value >> 8); - break; - default: - p->status = USB_RET_STALL; - break; - } -} - -static void usb_wacom_handle_data(USBDevice *dev, USBPacket *p) -{ - USBWacomState *s = (USBWacomState *) dev; - uint8_t buf[p->iov.size]; - int len = 0; - - switch (p->pid) { - case USB_TOKEN_IN: - if (p->ep->nr == 1) { - if (!(s->changed || s->idle)) { - p->status = USB_RET_NAK; - return; - } - s->changed = 0; - if (s->mode == WACOM_MODE_HID) - len = usb_mouse_poll(s, buf, p->iov.size); - else if (s->mode == WACOM_MODE_WACOM) - len = usb_wacom_poll(s, buf, p->iov.size); - usb_packet_copy(p, buf, len); - break; - } - /* Fall through. */ - case USB_TOKEN_OUT: - default: - p->status = USB_RET_STALL; - } -} - -static void usb_wacom_handle_destroy(USBDevice *dev) -{ - USBWacomState *s = (USBWacomState *) dev; - - if (s->mouse_grabbed) { - qemu_remove_mouse_event_handler(s->eh_entry); - s->mouse_grabbed = 0; - } -} - -static void usb_wacom_realize(USBDevice *dev, Error **errp) -{ - USBWacomState *s = USB_WACOM(dev); - usb_desc_create_serial(dev); - usb_desc_init(dev); - s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); - s->changed = 1; -} - -static const VMStateDescription vmstate_usb_wacom = { - .name = "usb-wacom", - .unmigratable = 1, -}; - -static void usb_wacom_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - USBDeviceClass *uc = USB_DEVICE_CLASS(klass); - - uc->product_desc = "QEMU PenPartner Tablet"; - uc->usb_desc = &desc_wacom; - uc->realize = usb_wacom_realize; - uc->handle_reset = usb_wacom_handle_reset; - uc->handle_control = usb_wacom_handle_control; - uc->handle_data = usb_wacom_handle_data; - uc->handle_destroy = usb_wacom_handle_destroy; - set_bit(DEVICE_CATEGORY_INPUT, dc->categories); - dc->desc = "QEMU PenPartner Tablet"; - dc->vmsd = &vmstate_usb_wacom; -} - -static const TypeInfo wacom_info = { - .name = TYPE_USB_WACOM, - .parent = TYPE_USB_DEVICE, - .instance_size = sizeof(USBWacomState), - .class_init = usb_wacom_class_init, -}; - -static void usb_wacom_register_types(void) -{ - type_register_static(&wacom_info); - usb_legacy_register(TYPE_USB_WACOM, "wacom-tablet", NULL); -} - -type_init(usb_wacom_register_types) |