diff options
Diffstat (limited to 'hw/usb/dev-hid.c')
| -rw-r--r-- | hw/usb/dev-hid.c | 881 |
1 files changed, 881 insertions, 0 deletions
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c new file mode 100644 index 00000000..2e7dcd96 --- /dev/null +++ b/hw/usb/dev-hid.c @@ -0,0 +1,881 @@ +/* + * 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/hw.h" +#include "ui/console.h" +#include "hw/usb.h" +#include "hw/usb/desc.h" +#include "qemu/timer.h" +#include "hw/input/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; + uint32_t usb_version; + char *display; + uint32_t head; +} USBHIDState; + +#define TYPE_USB_HID "usb-hid" +#define USB_HID(obj) OBJECT_CHECK(USBHIDState, (obj), TYPE_USB_HID) + +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", + [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_mouse2 = { + .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 = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ + }, + }, +}; + +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_tablet2 = { + .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 = 4, /* 2 ^ (4-1) * 125 usecs = 1 ms */ + }, + }, +}; + +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 USBDescIface desc_iface_keyboard2 = { + .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 = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ + }, + }, +}; + +static const USBDescDevice desc_device_mouse = { + .bcdUSB = 0x0100, + .bMaxPacketSize0 = 8, + .bNumConfigurations = 1, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 1, + .bConfigurationValue = 1, + .iConfiguration = STR_CONFIG_MOUSE, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, + .bMaxPower = 50, + .nif = 1, + .ifs = &desc_iface_mouse, + }, + }, +}; + +static const USBDescDevice desc_device_mouse2 = { + .bcdUSB = 0x0200, + .bMaxPacketSize0 = 64, + .bNumConfigurations = 1, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 1, + .bConfigurationValue = 1, + .iConfiguration = STR_CONFIG_MOUSE, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, + .bMaxPower = 50, + .nif = 1, + .ifs = &desc_iface_mouse2, + }, + }, +}; + +static const USBDescDevice desc_device_tablet = { + .bcdUSB = 0x0100, + .bMaxPacketSize0 = 8, + .bNumConfigurations = 1, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 1, + .bConfigurationValue = 1, + .iConfiguration = STR_CONFIG_TABLET, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, + .bMaxPower = 50, + .nif = 1, + .ifs = &desc_iface_tablet, + }, + }, +}; + +static const USBDescDevice desc_device_tablet2 = { + .bcdUSB = 0x0200, + .bMaxPacketSize0 = 64, + .bNumConfigurations = 1, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 1, + .bConfigurationValue = 1, + .iConfiguration = STR_CONFIG_TABLET, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, + .bMaxPower = 50, + .nif = 1, + .ifs = &desc_iface_tablet2, + }, + }, +}; + +static const USBDescDevice desc_device_keyboard = { + .bcdUSB = 0x0100, + .bMaxPacketSize0 = 8, + .bNumConfigurations = 1, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 1, + .bConfigurationValue = 1, + .iConfiguration = STR_CONFIG_KEYBOARD, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, + .bMaxPower = 50, + .nif = 1, + .ifs = &desc_iface_keyboard, + }, + }, +}; + +static const USBDescDevice desc_device_keyboard2 = { + .bcdUSB = 0x0200, + .bMaxPacketSize0 = 64, + .bNumConfigurations = 1, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 1, + .bConfigurationValue = 1, + .iConfiguration = STR_CONFIG_KEYBOARD, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, + .bMaxPower = 50, + .nif = 1, + .ifs = &desc_iface_keyboard2, + }, + }, +}; + +static const USBDescMSOS desc_msos_suspend = { + .SelectiveSuspendEnabled = true, +}; + +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, + .msos = &desc_msos_suspend, +}; + +static const USBDesc desc_mouse2 = { + .id = { + .idVendor = 0x0627, + .idProduct = 0x0001, + .bcdDevice = 0, + .iManufacturer = STR_MANUFACTURER, + .iProduct = STR_PRODUCT_MOUSE, + .iSerialNumber = STR_SERIALNUMBER, + }, + .full = &desc_device_mouse, + .high = &desc_device_mouse2, + .str = desc_strings, + .msos = &desc_msos_suspend, +}; + +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, + .msos = &desc_msos_suspend, +}; + +static const USBDesc desc_tablet2 = { + .id = { + .idVendor = 0x0627, + .idProduct = 0x0001, + .bcdDevice = 0, + .iManufacturer = STR_MANUFACTURER, + .iProduct = STR_PRODUCT_TABLET, + .iSerialNumber = STR_SERIALNUMBER, + }, + .full = &desc_device_tablet, + .high = &desc_device_tablet2, + .str = desc_strings, + .msos = &desc_msos_suspend, +}; + +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, + .msos = &desc_msos_suspend, +}; + +static const USBDesc desc_keyboard2 = { + .id = { + .idVendor = 0x0627, + .idProduct = 0x0001, + .bcdDevice = 0, + .iManufacturer = STR_MANUFACTURER, + .iProduct = STR_PRODUCT_KEYBOARD, + .iSerialNumber = STR_SERIALNUMBER, + }, + .full = &desc_device_keyboard, + .high = &desc_device_keyboard2, + .str = desc_strings, + .msos = &desc_msos_suspend, +}; + +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, 0); +} + +static void usb_hid_handle_reset(USBDevice *dev) +{ + USBHIDState *us = USB_HID(dev); + + hid_reset(&us->hid); +} + +static void usb_hid_handle_control(USBDevice *dev, USBPacket *p, + int request, int value, int index, int length, uint8_t *data) +{ + USBHIDState *us = USB_HID(dev); + HIDState *hs = &us->hid; + int ret; + + ret = usb_desc_handle_control(dev, p, request, value, index, length, data); + if (ret >= 0) { + return; + } + + 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)); + p->actual_length = 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)); + p->actual_length = 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)); + p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor); + } + break; + default: + goto fail; + } + break; + case GET_REPORT: + if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { + p->actual_length = hid_pointer_poll(hs, data, length); + } else if (hs->kind == HID_KEYBOARD) { + p->actual_length = hid_keyboard_poll(hs, data, length); + } + break; + case SET_REPORT: + if (hs->kind == HID_KEYBOARD) { + p->actual_length = hid_keyboard_write(hs, data, length); + } else { + goto fail; + } + break; + case GET_PROTOCOL: + if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { + goto fail; + } + data[0] = hs->protocol; + p->actual_length = 1; + break; + case SET_PROTOCOL: + if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { + goto fail; + } + hs->protocol = value; + break; + case GET_IDLE: + data[0] = hs->idle; + p->actual_length = 1; + break; + case SET_IDLE: + hs->idle = (uint8_t) (value >> 8); + hid_set_next_idle(hs); + if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { + hid_pointer_activate(hs); + } + break; + default: + fail: + p->status = USB_RET_STALL; + break; + } +} + +static void usb_hid_handle_data(USBDevice *dev, USBPacket *p) +{ + USBHIDState *us = USB_HID(dev); + HIDState *hs = &us->hid; + uint8_t buf[p->iov.size]; + int len = 0; + + switch (p->pid) { + case USB_TOKEN_IN: + if (p->ep->nr == 1) { + if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { + hid_pointer_activate(hs); + } + if (!hid_has_events(hs)) { + p->status = USB_RET_NAK; + return; + } + hid_set_next_idle(hs); + if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { + len = hid_pointer_poll(hs, buf, p->iov.size); + } else if (hs->kind == HID_KEYBOARD) { + len = hid_keyboard_poll(hs, buf, p->iov.size); + } + usb_packet_copy(p, buf, len); + } else { + goto fail; + } + break; + case USB_TOKEN_OUT: + default: + fail: + p->status = USB_RET_STALL; + break; + } +} + +static void usb_hid_handle_destroy(USBDevice *dev) +{ + USBHIDState *us = USB_HID(dev); + + hid_free(&us->hid); +} + +static void usb_hid_initfn(USBDevice *dev, int kind, + const USBDesc *usb1, const USBDesc *usb2, + Error **errp) +{ + USBHIDState *us = USB_HID(dev); + switch (us->usb_version) { + case 1: + dev->usb_desc = usb1; + break; + case 2: + dev->usb_desc = usb2; + break; + default: + dev->usb_desc = NULL; + } + if (!dev->usb_desc) { + error_setg(errp, "Invalid usb version %d for usb hid device", + us->usb_version); + return; + } + + if (dev->serial) { + usb_desc_set_string(dev, STR_SERIALNUMBER, dev->serial); + } + usb_desc_init(dev); + us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); + hid_init(&us->hid, kind, usb_hid_changed); + if (us->display && us->hid.s) { + qemu_input_handler_bind(us->hid.s, us->display, us->head, NULL); + } +} + +static void usb_tablet_realize(USBDevice *dev, Error **errp) +{ + + usb_hid_initfn(dev, HID_TABLET, &desc_tablet, &desc_tablet2, errp); +} + +static void usb_mouse_realize(USBDevice *dev, Error **errp) +{ + usb_hid_initfn(dev, HID_MOUSE, &desc_mouse, &desc_mouse2, errp); +} + +static void usb_keyboard_realize(USBDevice *dev, Error **errp) +{ + usb_hid_initfn(dev, HID_KEYBOARD, &desc_keyboard, &desc_keyboard2, errp); +} + +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; + uc->handle_attach = usb_desc_attach; +} + +static const TypeInfo usb_hid_type_info = { + .name = TYPE_USB_HID, + .parent = TYPE_USB_DEVICE, + .instance_size = sizeof(USBHIDState), + .abstract = true, + .class_init = usb_hid_class_initfn, +}; + +static Property usb_tablet_properties[] = { + DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), + DEFINE_PROP_STRING("display", USBHIDState, display), + DEFINE_PROP_UINT32("head", USBHIDState, head, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void usb_tablet_class_initfn(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + USBDeviceClass *uc = USB_DEVICE_CLASS(klass); + + uc->realize = usb_tablet_realize; + uc->product_desc = "QEMU USB Tablet"; + dc->vmsd = &vmstate_usb_ptr; + dc->props = usb_tablet_properties; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); +} + +static const TypeInfo usb_tablet_info = { + .name = "usb-tablet", + .parent = TYPE_USB_HID, + .class_init = usb_tablet_class_initfn, +}; + +static Property usb_mouse_properties[] = { + DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), + DEFINE_PROP_END_OF_LIST(), +}; + +static void usb_mouse_class_initfn(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + USBDeviceClass *uc = USB_DEVICE_CLASS(klass); + + uc->realize = usb_mouse_realize; + uc->product_desc = "QEMU USB Mouse"; + dc->vmsd = &vmstate_usb_ptr; + dc->props = usb_mouse_properties; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); +} + +static const TypeInfo usb_mouse_info = { + .name = "usb-mouse", + .parent = TYPE_USB_HID, + .class_init = usb_mouse_class_initfn, +}; + +static Property usb_keyboard_properties[] = { + DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), + DEFINE_PROP_STRING("display", USBHIDState, display), + DEFINE_PROP_END_OF_LIST(), +}; + +static void usb_keyboard_class_initfn(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + USBDeviceClass *uc = USB_DEVICE_CLASS(klass); + + uc->realize = usb_keyboard_realize; + uc->product_desc = "QEMU USB Keyboard"; + dc->vmsd = &vmstate_usb_kbd; + dc->props = usb_keyboard_properties; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); +} + +static const TypeInfo usb_keyboard_info = { + .name = "usb-kbd", + .parent = TYPE_USB_HID, + .class_init = usb_keyboard_class_initfn, +}; + +static void usb_hid_register_types(void) +{ + type_register_static(&usb_hid_type_info); + 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) |