/* * QEMU USB HID devices * * Copyright (c) 2005 Fabrice Bellard * Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com) * * 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 "hw.h" #include "console.h" #include "usb.h" #include "usb-desc.h" #include "qemu-timer.h" #include "hid.h" /* HID interface requests */ #define GET_REPORT 0xa101 #define GET_IDLE 0xa102 #define GET_PROTOCOL 0xa103 #define SET_REPORT 0x2109 #define SET_IDLE 0x210a #define SET_PROTOCOL 0x210b /* HID descriptor types */ #define USB_DT_HID 0x21 #define USB_DT_REPORT 0x22 #define USB_DT_PHY 0x23 typedef struct USBHIDState { USBDevice dev; USBEndpoint *intr; HIDState hid; } USBHIDState; enum { STR_MANUFACTURER = 1, STR_PRODUCT_MOUSE, STR_PRODUCT_TABLET, STR_PRODUCT_KEYBOARD, STR_SERIALNUMBER, STR_CONFIG_MOUSE, STR_CONFIG_TABLET, STR_CONFIG_KEYBOARD, }; static const USBDescStrings desc_strings = { [STR_MANUFACTURER] = "QEMU " QEMU_VERSION, [STR_PRODUCT_MOUSE] = "QEMU USB Mouse", [STR_PRODUCT_TABLET] = "QEMU USB Tablet", [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard", [STR_SERIALNUMBER] = "42", /* == remote wakeup works */ [STR_CONFIG_MOUSE] = "HID Mouse", [STR_CONFIG_TABLET] = "HID Tablet", [STR_CONFIG_KEYBOARD] = "HID Keyboard", }; static const USBDescIface desc_iface_mouse = { .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 */ USB_DT_HID, /* u8 bDescriptorType */ 0x01, 0x00, /* u16 HID_class */ 0x00, /* u8 country_code */ 0x01, /* u8 num_descriptors */ USB_DT_REPORT, /* u8 type: Report */ 52, 0, /* u16 len */ }, }, }, .eps = (USBDescEndpoint[]) { { .bEndpointAddress = USB_DIR_IN | 0x01, .bmAttributes = USB_ENDPOINT_XFER_INT, .wMaxPacketSize = 4, .bInterval = 0x0a, }, }, }; static const USBDescIface desc_iface_tablet = { .bInterfaceNumber = 0, .bNumEndpoints = 1, .bInterfaceClass = USB_CLASS_HID, .bInterfaceProtocol = 0x02, .ndesc = 1, .descs = (USBDescOther[]) { { /* HID descriptor */ .data = (uint8_t[]) { 0x09, /* u8 bLength */ USB_DT_HID, /* u8 bDescriptorType */ 0x01, 0x00, /* u16 HID_class */ 0x00, /* u8 country_code */ 0x01, /* u8 num_descriptors */ USB_DT_REPORT, /* u8 type: Report */ 74, 0, /* u16 len */ }, }, }, .eps = (USBDescEndpoint[]) { { .bEndpointAddress = USB_DIR_IN | 0x01, .bmAttributes = USB_ENDPOINT_XFER_INT, .wMaxPacketSize = 8, .bInterval = 0x0a, }, }, }; static const USBDescIface desc_iface_keyboard = { .bInterfaceNumber = 0, .bNumEndpoints = 1, .bInterfaceClass = USB_CLASS_HID, .bInterfaceSubClass = 0x01, /* boot */ .bInterfaceProtocol = 0x01, /* keyboard */ .ndesc = 1, .descs = (USBDescOther[]) { { /* HID descriptor */ .data = (uint8_t[]) { 0x09, /* u8 bLength */ USB_DT_HID, /* u8 bDescriptorType */ 0x11, 0x01, /* u16 HID_class */ 0x00, /* u8 country_code */ 0x01, /* u8 num_descriptors */ USB_DT_REPORT, /* u8 type: Report */ 0x3f, 0, /* u16 len */ }, }, }, .eps = (USBDescEndpoint[]) { { .bEndpointAddress = USB_DIR_IN | 0x01, .bmAttributes = USB_ENDPOINT_XFER_INT, .wMaxPacketSize = 8, .bInterval = 0x0a, }, }, }; static const USBDescDevice desc_device_mouse = { .bcdUSB = 0x0100, .bMaxPacketSize0 = 8, .bNumConfigurations = 1, .confs = (USBDescConfig[]) { { .bNumInterfaces = 1, .bConfigurationValue = 1, .iConfiguration = STR_CONFIG_MOUSE, .bmAttributes = 0xa0, .bMaxPower = 50, .nif = 1, .ifs = &desc_iface_mouse, }, }, }; static const USBDescDevice desc_device_tablet = { .bcdUSB = 0x0100, .bMaxPacketSize0 = 8, .bNumConfigurations = 1, .confs = (USBDescConfig[]) { { .bNumInterfaces = 1, .bConfigurationValue = 1, .iConfiguration = STR_CONFIG_TABLET, .bmAttributes = 0xa0, .bMaxPower = 50, .nif = 1, .ifs = &desc_iface_tablet, }, }, }; static const USBDescDevice desc_device_keyboard = { .bcdUSB = 0x0100, .bMaxPacketSize0 = 8, .bNumConfigurations = 1, .confs = (USBDescConfig[]) { { .bNumInterfaces = 1, .bConfigurationValue = 1, .iConfiguration = STR_CONFIG_KEYBOARD, .bmAttributes = 0xa0, .bMaxPower = 50, .nif = 1, .ifs = &desc_iface_keyboard, }, }, }; static const USBDesc desc_mouse = { .id = { .idVendor = 0x0627, .idProduct = 0x0001, .bcdDevice = 0, .iManufacturer = STR_MANUFACTURER, .iProduct = STR_PRODUCT_MOUSE, .iSerialNumber = STR_SERIALNUMBER, }, .full = &desc_device_mouse, .str = desc_strings, }; static const USBDesc desc_tablet = { .id = { .idVendor = 0x0627, .idProduct = 0x0001, .bcdDevice = 0, .iManufacturer = STR_MANUFACTURER, .iProduct = STR_PRODUCT_TABLET, .iSerialNumber = STR_SERIALNUMBER, }, .full = &desc_device_tablet, .str = desc_strings, }; static const USBDesc desc_keyboard = { .id = { .idVendor = 0x0627, .idProduct = 0x0001, .bcdDevice = 0, .iManufacturer = STR_MANUFACTURER, .iProduct = STR_PRODUCT_KEYBOARD, .iSerialNumber = STR_SERIALNUMBER, }, .full = &desc_device_keyboard, .str = desc_strings, }; static const uint8_t qemu_mouse_hid_report_descriptor[] = { 0x05, 0x01, /* Usage Page (Generic Desktop) */ 0x09, 0x02, /* Usage (Mouse) */ 0xa1, 0x01, /* Collection (Application) */ 0x09, 0x01, /* Usage (Pointer) */ 0xa1, 0x00, /* Collection (Physical) */ 0x05, 0x09, /* Usage Page (Button) */ 0x19, 0x01, /* Usage Minimum (1) */ 0x29, 0x03, /* Usage Maximum (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, Variable, Absolute) */ 0x95, 0x01, /* Report Count (1) */ 0x75, 0x05, /* Report Size (5) */ 0x81, 0x01, /* Input (Constant) */ 0x05, 0x01, /* Usage Page (Generic Desktop) */ 0x09, 0x30, /* Usage (X) */ 0x09, 0x31, /* Usage (Y) */ 0x09, 0x38, /* Usage (Wheel) */ 0x15, 0x81, /* Logical Minimum (-0x7f) */ 0x25, 0x7f, /* Logical Maximum (0x7f) */ 0x75, 0x08, /* Report Size (8) */ 0x95, 0x03, /* Report Count (3) */ 0x81, 0x06, /* Input (Data, Variable, Relative) */ 0xc0, /* End Collection */ 0xc0, /* End Collection */ }; static const uint8_t qemu_tablet_hid_report_descriptor[] = { 0x05, 0x01, /* Usage Page (Generic Desktop) */ 0x09, 0x01, /* Usage (Pointer) */ 0xa1, 0x01, /* Collection (Application) */ 0x09, 0x01, /* Usage (Pointer) */ 0xa1, 0x00, /* Collection (Physical) */ 0x05, 0x09, /* Usage Page (Button) */ 0x19, 0x01, /* Usage Minimum (1) */ 0x29, 0x03, /* Usage Maximum (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, Variable, Absolute) */ 0x95, 0x01, /* Report Count (1) */ 0x75, 0x05, /* Report Size (5) */ 0x81, 0x01, /* Input (Constant) */ 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, 0xff, 0x7f, /* Physical Maximum (0x7fff) */ 0x75, 0x10, /* Report Size (16) */ 0x95, 0x02, /* Report Count (2) */ 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 0x05, 0x01, /* Usage Page (Generic Desktop) */ 0x09, 0x38, /* Usage (Wheel) */ 0x15, 0x81, /* Logical Minimum (-0x7f) */ 0x25, 0x7f, /* Logical Maximum (0x7f) */ 0x35, 0x00, /* Physical Minimum (same as logical) */ 0x45, 0x00, /* Physical Maximum (same as logical) */ 0x75, 0x08, /* Report Size (8) */ 0x95, 0x01, /* Report Count (1) */ 0x81, 0x06, /* Input (Data, Variable, Relative) */ 0xc0, /* End Collection */ 0xc0, /* End Collection */ }; static const uint8_t qemu_keyboard_hid_report_descriptor[] = { 0x05, 0x01, /* Usage Page (Generic Desktop) */ 0x09, 0x06, /* Usage (Keyboard) */ 0xa1, 0x01, /* Collection (Application) */ 0x75, 0x01, /* Report Size (1) */ 0x95, 0x08, /* Report Count (8) */ 0x05, 0x07, /* Usage Page (Key Codes) */ 0x19, 0xe0, /* Usage Minimum (224) */ 0x29, 0xe7, /* Usage Maximum (231) */ 0x15, 0x00, /* Logical Minimum (0) */ 0x25, 0x01, /* Logical Maximum (1) */ 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 0x95, 0x01, /* Report Count (1) */ 0x75, 0x08, /* Report Size (8) */ 0x81, 0x01, /* Input (Constant) */ 0x95, 0x05, /* Report Count (5) */ 0x75, 0x01, /* Report Size (1) */ 0x05, 0x08, /* Usage Page (LEDs) */ 0x19, 0x01, /* Usage Minimum (1) */ 0x29, 0x05, /* Usage Maximum (5) */ 0x91, 0x02, /* Output (Data, Variable, Absolute) */ 0x95, 0x01, /* Report Count (1) */ 0x75, 0x03, /* Report Size (3) */ 0x91, 0x01, /* Output (Constant) */ 0x95, 0x06, /* Report Count (6) */ 0x75, 0x08, /* Report Size (8) */ 0x15, 0x00, /* Logical Minimum (0) */ 0x25, 0xff, /* Logical Maximum (255) */ 0x05, 0x07, /* Usage Page (Key Codes) */ 0x19, 0x00, /* Usage Minimum (0) */ 0x29, 0xff, /* Usage Maximum (255) */ 0x81, 0x00, /* Input (Data, Array) */ 0xc0, /* End Collection */ }; static void usb_hid_changed(HIDState *hs) { USBHIDState *us = container_of(hs, USBHIDState, hid); usb_wakeup(us->intr); } static void usb_hid_handle_reset(USBDevice *dev) { USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); hid_reset(&us->hid); } static int usb_hid_handle_control(USBDevice *dev, USBPacket *p, int request, int value, int index, int length, uint8_t *data) { USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); HIDState *hs = &us->hid; int ret; ret = usb_desc_handle_control(dev, p, request, value, index, length, data); if (ret >= 0) { return ret; } ret = 0; switch (request) { /* hid specific requests */ case InterfaceRequest | USB_REQ_GET_DESCRIPTOR: switch (value >> 8) { case 0x22: if (hs->kind == HID_MOUSE) { memcpy(data, qemu_mouse_hid_report_descriptor, sizeof(qemu_mouse_hid_report_descriptor)); ret = sizeof(qemu_mouse_hid_report_descriptor); } else if (hs->kind == HID_TABLET) { memcpy(data, qemu_tablet_hid_report_descriptor, sizeof(qemu_tablet_hid_report_descriptor)); ret = sizeof(qemu_tablet_hid_report_descriptor); } else if (hs->kind == HID_KEYBOARD) { memcpy(data, qemu_keyboard_hid_report_descriptor, sizeof(qemu_keyboard_hid_report_descriptor)); ret = sizeof(qemu_keyboard_hid_report_descriptor); } break; default: goto fail; } break; case GET_REPORT: if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { ret = hid_pointer_poll(hs, data, length); } else if (hs->kind == HID_KEYBOARD) { ret = hid_keyboard_poll(hs, data, length); } break; case SET_REPORT: if (hs->kind == HID_KEYBOARD) { ret = hid_keyboard_write(hs, data, length); } else { goto fail; } break; case GET_PROTOCOL: if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { goto fail; } ret = 1; data[0] = hs->protocol; break; case SET_PROTOCOL: if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { goto fail; } ret = 0; hs->protocol = value; break; case GET_IDLE: ret = 1; data[0] = hs->idle; break; case SET_IDLE: hs->idle = (uint8_t) (value >> 8); hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock)); if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { hid_pointer_activate(hs); } ret = 0; break; default: fail: ret = USB_RET_STALL; break; } return ret; } static int usb_hid_handle_data(USBDevice *dev, USBPacket *p) { USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); HIDState *hs = &us->hid; uint8_t buf[p->iov.size]; int ret = 0; switch (p->pid) { case USB_TOKEN_IN: if (p->ep->nr == 1) { int64_t curtime = qemu_get_clock_ns(vm_clock); if (!hid_has_events(hs) && (!hs->idle || hs->next_idle_clock - curtime > 0)) { return USB_RET_NAK; } hid_set_next_idle(hs, curtime); if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { ret = hid_pointer_poll(hs, buf, p->iov.size); } else if (hs->kind == HID_KEYBOARD) { ret = hid_keyboard_poll(hs, buf, p->iov.size); } usb_packet_copy(p, buf, ret); } else { goto fail; } break; case USB_TOKEN_OUT: default: fail: ret = USB_RET_STALL; break; } return ret; } static void usb_hid_handle_destroy(USBDevice *dev) { USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); hid_free(&us->hid); } static int usb_hid_initfn(USBDevice *dev, int kind) { USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev); usb_desc_init(dev); us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); hid_init(&us->hid, kind, usb_hid_changed); return 0; } static int usb_tablet_initfn(USBDevice *dev) { return usb_hid_initfn(dev, HID_TABLET); } static int usb_mouse_initfn(USBDevice *dev) { return usb_hid_initfn(dev, HID_MOUSE); } static int usb_keyboard_initfn(USBDevice *dev) { return usb_hid_initfn(dev, HID_KEYBOARD); } static int usb_ptr_post_load(void *opaque, int version_id) { USBHIDState *s = opaque; if (s->dev.remote_wakeup) { hid_pointer_activate(&s->hid); } return 0; } static const VMStateDescription vmstate_usb_ptr = { .name = "usb-ptr", .version_id = 1, .minimum_version_id = 1, .post_load = usb_ptr_post_load, .fields = (VMStateField []) { VMSTATE_USB_DEVICE(dev, USBHIDState), VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState), VMSTATE_END_OF_LIST() } }; static const VMStateDescription vmstate_usb_kbd = { .name = "usb-kbd", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField []) { VMSTATE_USB_DEVICE(dev, USBHIDState), VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState), VMSTATE_END_OF_LIST() } }; static void usb_hid_class_initfn(ObjectClass *klass, void *data) { USBDeviceClass *uc = USB_DEVICE_CLASS(klass); uc->handle_reset = usb_hid_handle_reset; uc->handle_control = usb_hid_handle_control; uc->handle_data = usb_hid_handle_data; uc->handle_destroy = usb_hid_handle_destroy; } static void usb_tablet_class_initfn(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); USBDeviceClass *uc = USB_DEVICE_CLASS(klass); usb_hid_class_initfn(klass, data); uc->init = usb_tablet_initfn; uc->product_desc = "QEMU USB Tablet"; uc->usb_desc = &desc_tablet; dc->vmsd = &vmstate_usb_ptr; } static TypeInfo usb_tablet_info = { .name = "usb-tablet", .parent = TYPE_USB_DEVICE, .instance_size = sizeof(USBHIDState), .class_init = usb_tablet_class_initfn, }; static void usb_mouse_class_initfn(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); USBDeviceClass *uc = USB_DEVICE_CLASS(klass); usb_hid_class_initfn(klass, data); uc->init = usb_mouse_initfn; uc->product_desc = "QEMU USB Mouse"; uc->usb_desc = &desc_mouse; dc->vmsd = &vmstate_usb_ptr; } static TypeInfo usb_mouse_info = { .name = "usb-mouse", .parent = TYPE_USB_DEVICE, .instance_size = sizeof(USBHIDState), .class_init = usb_mouse_class_initfn, }; static void usb_keyboard_class_initfn(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); USBDeviceClass *uc = USB_DEVICE_CLASS(klass); usb_hid_class_initfn(klass, data); uc->init = usb_keyboard_initfn; uc->product_desc = "QEMU USB Keyboard"; uc->usb_desc = &desc_keyboard; dc->vmsd = &vmstate_usb_kbd; } static TypeInfo usb_keyboard_info = { .name = "usb-kbd", .parent = TYPE_USB_DEVICE, .instance_size = sizeof(USBHIDState), .class_init = usb_keyboard_class_initfn, }; static void usb_hid_register_types(void) { type_register_static(&usb_tablet_info); usb_legacy_register("usb-tablet", "tablet", NULL); type_register_static(&usb_mouse_info); usb_legacy_register("usb-mouse", "mouse", NULL); type_register_static(&usb_keyboard_info); usb_legacy_register("usb-kbd", "keyboard", NULL); } type_init(usb_hid_register_types)