613 lines
20 KiB
C
613 lines
20 KiB
C
/*
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* QEMU USB HID devices
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*
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* Copyright (c) 2005 Fabrice Bellard
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* Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h"
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#include "console.h"
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#include "usb.h"
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#include "usb-desc.h"
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#include "qemu-timer.h"
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#include "hid.h"
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/* HID interface requests */
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#define GET_REPORT 0xa101
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#define GET_IDLE 0xa102
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#define GET_PROTOCOL 0xa103
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#define SET_REPORT 0x2109
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#define SET_IDLE 0x210a
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#define SET_PROTOCOL 0x210b
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/* HID descriptor types */
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#define USB_DT_HID 0x21
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#define USB_DT_REPORT 0x22
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#define USB_DT_PHY 0x23
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typedef struct USBHIDState {
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USBDevice dev;
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HIDState hid;
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} USBHIDState;
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enum {
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STR_MANUFACTURER = 1,
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STR_PRODUCT_MOUSE,
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STR_PRODUCT_TABLET,
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STR_PRODUCT_KEYBOARD,
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STR_SERIALNUMBER,
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STR_CONFIG_MOUSE,
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STR_CONFIG_TABLET,
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STR_CONFIG_KEYBOARD,
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};
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static const USBDescStrings desc_strings = {
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[STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
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[STR_PRODUCT_MOUSE] = "QEMU USB Mouse",
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[STR_PRODUCT_TABLET] = "QEMU USB Tablet",
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[STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard",
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[STR_SERIALNUMBER] = "42", /* == remote wakeup works */
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[STR_CONFIG_MOUSE] = "HID Mouse",
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[STR_CONFIG_TABLET] = "HID Tablet",
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[STR_CONFIG_KEYBOARD] = "HID Keyboard",
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};
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static const USBDescIface desc_iface_mouse = {
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.bInterfaceNumber = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = USB_CLASS_HID,
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.bInterfaceSubClass = 0x01, /* boot */
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.bInterfaceProtocol = 0x02,
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.ndesc = 1,
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.descs = (USBDescOther[]) {
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{
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/* HID descriptor */
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.data = (uint8_t[]) {
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0x09, /* u8 bLength */
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USB_DT_HID, /* u8 bDescriptorType */
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0x01, 0x00, /* u16 HID_class */
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0x00, /* u8 country_code */
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0x01, /* u8 num_descriptors */
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USB_DT_REPORT, /* u8 type: Report */
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52, 0, /* u16 len */
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},
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},
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},
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.eps = (USBDescEndpoint[]) {
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{
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.bEndpointAddress = USB_DIR_IN | 0x01,
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.bmAttributes = USB_ENDPOINT_XFER_INT,
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.wMaxPacketSize = 4,
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.bInterval = 0x0a,
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},
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},
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};
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static const USBDescIface desc_iface_tablet = {
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.bInterfaceNumber = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = USB_CLASS_HID,
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.bInterfaceProtocol = 0x02,
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.ndesc = 1,
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.descs = (USBDescOther[]) {
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{
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/* HID descriptor */
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.data = (uint8_t[]) {
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0x09, /* u8 bLength */
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USB_DT_HID, /* u8 bDescriptorType */
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0x01, 0x00, /* u16 HID_class */
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0x00, /* u8 country_code */
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0x01, /* u8 num_descriptors */
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USB_DT_REPORT, /* u8 type: Report */
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74, 0, /* u16 len */
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},
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},
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},
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.eps = (USBDescEndpoint[]) {
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{
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.bEndpointAddress = USB_DIR_IN | 0x01,
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.bmAttributes = USB_ENDPOINT_XFER_INT,
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.wMaxPacketSize = 8,
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.bInterval = 0x0a,
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},
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},
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};
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static const USBDescIface desc_iface_keyboard = {
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.bInterfaceNumber = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = USB_CLASS_HID,
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.bInterfaceSubClass = 0x01, /* boot */
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.bInterfaceProtocol = 0x01, /* keyboard */
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.ndesc = 1,
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.descs = (USBDescOther[]) {
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{
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/* HID descriptor */
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.data = (uint8_t[]) {
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0x09, /* u8 bLength */
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USB_DT_HID, /* u8 bDescriptorType */
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0x11, 0x01, /* u16 HID_class */
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0x00, /* u8 country_code */
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0x01, /* u8 num_descriptors */
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USB_DT_REPORT, /* u8 type: Report */
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0x3f, 0, /* u16 len */
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},
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},
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},
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.eps = (USBDescEndpoint[]) {
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{
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.bEndpointAddress = USB_DIR_IN | 0x01,
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.bmAttributes = USB_ENDPOINT_XFER_INT,
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.wMaxPacketSize = 8,
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.bInterval = 0x0a,
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},
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},
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};
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static const USBDescDevice desc_device_mouse = {
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.bcdUSB = 0x0100,
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.bMaxPacketSize0 = 8,
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.bNumConfigurations = 1,
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.confs = (USBDescConfig[]) {
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{
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = STR_CONFIG_MOUSE,
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.bmAttributes = 0xa0,
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.bMaxPower = 50,
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.nif = 1,
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.ifs = &desc_iface_mouse,
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},
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},
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};
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static const USBDescDevice desc_device_tablet = {
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.bcdUSB = 0x0100,
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.bMaxPacketSize0 = 8,
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.bNumConfigurations = 1,
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.confs = (USBDescConfig[]) {
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{
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = STR_CONFIG_TABLET,
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.bmAttributes = 0xa0,
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.bMaxPower = 50,
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.nif = 1,
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.ifs = &desc_iface_tablet,
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},
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},
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};
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static const USBDescDevice desc_device_keyboard = {
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.bcdUSB = 0x0100,
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.bMaxPacketSize0 = 8,
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.bNumConfigurations = 1,
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.confs = (USBDescConfig[]) {
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{
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = STR_CONFIG_KEYBOARD,
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.bmAttributes = 0xa0,
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.bMaxPower = 50,
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.nif = 1,
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.ifs = &desc_iface_keyboard,
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},
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},
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};
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static const USBDesc desc_mouse = {
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.id = {
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.idVendor = 0x0627,
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.idProduct = 0x0001,
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.bcdDevice = 0,
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.iManufacturer = STR_MANUFACTURER,
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.iProduct = STR_PRODUCT_MOUSE,
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.iSerialNumber = STR_SERIALNUMBER,
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},
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.full = &desc_device_mouse,
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.str = desc_strings,
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};
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static const USBDesc desc_tablet = {
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.id = {
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.idVendor = 0x0627,
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.idProduct = 0x0001,
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.bcdDevice = 0,
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.iManufacturer = STR_MANUFACTURER,
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.iProduct = STR_PRODUCT_TABLET,
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.iSerialNumber = STR_SERIALNUMBER,
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},
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.full = &desc_device_tablet,
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.str = desc_strings,
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};
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static const USBDesc desc_keyboard = {
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.id = {
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.idVendor = 0x0627,
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.idProduct = 0x0001,
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.bcdDevice = 0,
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.iManufacturer = STR_MANUFACTURER,
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.iProduct = STR_PRODUCT_KEYBOARD,
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.iSerialNumber = STR_SERIALNUMBER,
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},
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.full = &desc_device_keyboard,
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.str = desc_strings,
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};
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static const uint8_t qemu_mouse_hid_report_descriptor[] = {
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x02, /* Usage (Mouse) */
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0xa1, 0x01, /* Collection (Application) */
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0x09, 0x01, /* Usage (Pointer) */
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0xa1, 0x00, /* Collection (Physical) */
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0x05, 0x09, /* Usage Page (Button) */
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0x19, 0x01, /* Usage Minimum (1) */
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0x29, 0x03, /* Usage Maximum (3) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x25, 0x01, /* Logical Maximum (1) */
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0x95, 0x03, /* Report Count (3) */
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0x75, 0x01, /* Report Size (1) */
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0x81, 0x02, /* Input (Data, Variable, Absolute) */
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0x95, 0x01, /* Report Count (1) */
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0x75, 0x05, /* Report Size (5) */
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0x81, 0x01, /* Input (Constant) */
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x30, /* Usage (X) */
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0x09, 0x31, /* Usage (Y) */
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0x09, 0x38, /* Usage (Wheel) */
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0x15, 0x81, /* Logical Minimum (-0x7f) */
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0x25, 0x7f, /* Logical Maximum (0x7f) */
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0x75, 0x08, /* Report Size (8) */
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0x95, 0x03, /* Report Count (3) */
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0x81, 0x06, /* Input (Data, Variable, Relative) */
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0xc0, /* End Collection */
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0xc0, /* End Collection */
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};
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static const uint8_t qemu_tablet_hid_report_descriptor[] = {
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x01, /* Usage (Pointer) */
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0xa1, 0x01, /* Collection (Application) */
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0x09, 0x01, /* Usage (Pointer) */
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0xa1, 0x00, /* Collection (Physical) */
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0x05, 0x09, /* Usage Page (Button) */
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0x19, 0x01, /* Usage Minimum (1) */
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0x29, 0x03, /* Usage Maximum (3) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x25, 0x01, /* Logical Maximum (1) */
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0x95, 0x03, /* Report Count (3) */
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0x75, 0x01, /* Report Size (1) */
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0x81, 0x02, /* Input (Data, Variable, Absolute) */
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0x95, 0x01, /* Report Count (1) */
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0x75, 0x05, /* Report Size (5) */
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0x81, 0x01, /* Input (Constant) */
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x30, /* Usage (X) */
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0x09, 0x31, /* Usage (Y) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */
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0x35, 0x00, /* Physical Minimum (0) */
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0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */
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0x75, 0x10, /* Report Size (16) */
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0x95, 0x02, /* Report Count (2) */
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0x81, 0x02, /* Input (Data, Variable, Absolute) */
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x38, /* Usage (Wheel) */
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0x15, 0x81, /* Logical Minimum (-0x7f) */
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0x25, 0x7f, /* Logical Maximum (0x7f) */
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0x35, 0x00, /* Physical Minimum (same as logical) */
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0x45, 0x00, /* Physical Maximum (same as logical) */
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0x75, 0x08, /* Report Size (8) */
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0x95, 0x01, /* Report Count (1) */
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0x81, 0x06, /* Input (Data, Variable, Relative) */
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0xc0, /* End Collection */
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0xc0, /* End Collection */
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};
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static const uint8_t qemu_keyboard_hid_report_descriptor[] = {
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0x05, 0x01, /* Usage Page (Generic Desktop) */
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0x09, 0x06, /* Usage (Keyboard) */
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0xa1, 0x01, /* Collection (Application) */
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0x75, 0x01, /* Report Size (1) */
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0x95, 0x08, /* Report Count (8) */
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0x05, 0x07, /* Usage Page (Key Codes) */
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0x19, 0xe0, /* Usage Minimum (224) */
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0x29, 0xe7, /* Usage Maximum (231) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x25, 0x01, /* Logical Maximum (1) */
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0x81, 0x02, /* Input (Data, Variable, Absolute) */
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0x95, 0x01, /* Report Count (1) */
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0x75, 0x08, /* Report Size (8) */
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0x81, 0x01, /* Input (Constant) */
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0x95, 0x05, /* Report Count (5) */
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0x75, 0x01, /* Report Size (1) */
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0x05, 0x08, /* Usage Page (LEDs) */
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0x19, 0x01, /* Usage Minimum (1) */
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0x29, 0x05, /* Usage Maximum (5) */
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0x91, 0x02, /* Output (Data, Variable, Absolute) */
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0x95, 0x01, /* Report Count (1) */
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0x75, 0x03, /* Report Size (3) */
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0x91, 0x01, /* Output (Constant) */
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0x95, 0x06, /* Report Count (6) */
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0x75, 0x08, /* Report Size (8) */
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0x15, 0x00, /* Logical Minimum (0) */
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0x25, 0xff, /* Logical Maximum (255) */
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0x05, 0x07, /* Usage Page (Key Codes) */
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0x19, 0x00, /* Usage Minimum (0) */
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0x29, 0xff, /* Usage Maximum (255) */
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0x81, 0x00, /* Input (Data, Array) */
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0xc0, /* End Collection */
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};
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static void usb_hid_changed(HIDState *hs)
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{
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USBHIDState *us = container_of(hs, USBHIDState, hid);
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usb_wakeup(&us->dev);
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}
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static void usb_hid_handle_reset(USBDevice *dev)
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{
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USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
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hid_reset(&us->hid);
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}
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static int usb_hid_handle_control(USBDevice *dev, USBPacket *p,
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int request, int value, int index, int length, uint8_t *data)
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{
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USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
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HIDState *hs = &us->hid;
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int ret;
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ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
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if (ret >= 0) {
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return ret;
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}
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ret = 0;
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switch (request) {
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case DeviceRequest | USB_REQ_GET_INTERFACE:
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data[0] = 0;
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ret = 1;
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break;
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case DeviceOutRequest | USB_REQ_SET_INTERFACE:
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ret = 0;
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break;
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/* hid specific requests */
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case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
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switch (value >> 8) {
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case 0x22:
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if (hs->kind == HID_MOUSE) {
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memcpy(data, qemu_mouse_hid_report_descriptor,
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sizeof(qemu_mouse_hid_report_descriptor));
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ret = sizeof(qemu_mouse_hid_report_descriptor);
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} else if (hs->kind == HID_TABLET) {
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memcpy(data, qemu_tablet_hid_report_descriptor,
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sizeof(qemu_tablet_hid_report_descriptor));
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ret = sizeof(qemu_tablet_hid_report_descriptor);
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} else if (hs->kind == HID_KEYBOARD) {
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memcpy(data, qemu_keyboard_hid_report_descriptor,
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sizeof(qemu_keyboard_hid_report_descriptor));
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ret = sizeof(qemu_keyboard_hid_report_descriptor);
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}
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break;
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default:
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goto fail;
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}
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break;
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case GET_REPORT:
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if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
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ret = hid_pointer_poll(hs, data, length);
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} else if (hs->kind == HID_KEYBOARD) {
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ret = hid_keyboard_poll(hs, data, length);
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}
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break;
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case SET_REPORT:
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if (hs->kind == HID_KEYBOARD) {
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ret = hid_keyboard_write(hs, data, length);
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} else {
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goto fail;
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}
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break;
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case GET_PROTOCOL:
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if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
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goto fail;
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}
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ret = 1;
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data[0] = hs->protocol;
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break;
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case SET_PROTOCOL:
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if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
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goto fail;
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}
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ret = 0;
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hs->protocol = value;
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break;
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case GET_IDLE:
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ret = 1;
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data[0] = hs->idle;
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break;
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case SET_IDLE:
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hs->idle = (uint8_t) (value >> 8);
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hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock));
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if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) {
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hid_pointer_activate(hs);
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}
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ret = 0;
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break;
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default:
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fail:
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ret = USB_RET_STALL;
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break;
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}
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return ret;
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}
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static int usb_hid_handle_data(USBDevice *dev, USBPacket *p)
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{
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USBHIDState *us = DO_UPCAST(USBHIDState, dev, dev);
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HIDState *hs = &us->hid;
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uint8_t buf[p->iov.size];
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int ret = 0;
|
|
|
|
switch (p->pid) {
|
|
case USB_TOKEN_IN:
|
|
if (p->devep == 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);
|
|
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 struct USBDeviceInfo hid_info[] = {
|
|
{
|
|
.product_desc = "QEMU USB Tablet",
|
|
.qdev.name = "usb-tablet",
|
|
.usbdevice_name = "tablet",
|
|
.qdev.size = sizeof(USBHIDState),
|
|
.qdev.vmsd = &vmstate_usb_ptr,
|
|
.usb_desc = &desc_tablet,
|
|
.init = usb_tablet_initfn,
|
|
.handle_packet = usb_generic_handle_packet,
|
|
.handle_reset = usb_hid_handle_reset,
|
|
.handle_control = usb_hid_handle_control,
|
|
.handle_data = usb_hid_handle_data,
|
|
.handle_destroy = usb_hid_handle_destroy,
|
|
},{
|
|
.product_desc = "QEMU USB Mouse",
|
|
.qdev.name = "usb-mouse",
|
|
.usbdevice_name = "mouse",
|
|
.qdev.size = sizeof(USBHIDState),
|
|
.qdev.vmsd = &vmstate_usb_ptr,
|
|
.usb_desc = &desc_mouse,
|
|
.init = usb_mouse_initfn,
|
|
.handle_packet = usb_generic_handle_packet,
|
|
.handle_reset = usb_hid_handle_reset,
|
|
.handle_control = usb_hid_handle_control,
|
|
.handle_data = usb_hid_handle_data,
|
|
.handle_destroy = usb_hid_handle_destroy,
|
|
},{
|
|
.product_desc = "QEMU USB Keyboard",
|
|
.qdev.name = "usb-kbd",
|
|
.usbdevice_name = "keyboard",
|
|
.qdev.size = sizeof(USBHIDState),
|
|
.qdev.vmsd = &vmstate_usb_kbd,
|
|
.usb_desc = &desc_keyboard,
|
|
.init = usb_keyboard_initfn,
|
|
.handle_packet = usb_generic_handle_packet,
|
|
.handle_reset = usb_hid_handle_reset,
|
|
.handle_control = usb_hid_handle_control,
|
|
.handle_data = usb_hid_handle_data,
|
|
.handle_destroy = usb_hid_handle_destroy,
|
|
},{
|
|
/* end of list */
|
|
}
|
|
};
|
|
|
|
static void usb_hid_register_devices(void)
|
|
{
|
|
usb_qdev_register_many(hid_info);
|
|
}
|
|
device_init(usb_hid_register_devices)
|