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qemu/hw/usb/dev-hid.c
Noah Bergbauer 1e2d555846 hid: Implement support for side and extra buttons 
Simply set the respective bits and update the descriptor accordingly.

Signed-off-by: Noah Bergbauer <noah@statshelix.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20211126140437.79745-1-noah@statshelix.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-02-22 17:15:36 +01:00

880 lines
28 KiB
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/*
* 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 "qemu/osdep.h"
#include "ui/console.h"
#include "hw/usb.h"
#include "migration/vmstate.h"
#include "desc.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "qemu/timer.h"
#include "hw/input/hid.h"
#include "hw/usb/hid.h"
#include "hw/qdev-properties.h"
#include "qom/object.h"
struct USBHIDState {
USBDevice dev;
USBEndpoint *intr;
HIDState hid;
uint32_t usb_version;
char *display;
uint32_t head;
};
#define TYPE_USB_HID "usb-hid"
OBJECT_DECLARE_SIMPLE_TYPE(USBHIDState, USB_HID)
enum {
STR_MANUFACTURER = 1,
STR_PRODUCT_MOUSE,
STR_PRODUCT_TABLET,
STR_PRODUCT_KEYBOARD,
STR_SERIAL_COMPAT,
STR_CONFIG_MOUSE,
STR_CONFIG_TABLET,
STR_CONFIG_KEYBOARD,
STR_SERIAL_MOUSE,
STR_SERIAL_TABLET,
STR_SERIAL_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_SERIAL_COMPAT] = "42",
[STR_CONFIG_MOUSE] = "HID Mouse",
[STR_CONFIG_TABLET] = "HID Tablet",
[STR_CONFIG_KEYBOARD] = "HID Keyboard",
[STR_SERIAL_MOUSE] = "89126",
[STR_SERIAL_TABLET] = "28754",
[STR_SERIAL_KEYBOARD] = "68284",
};
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 = 0x00,
.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 = 0x00,
.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_SERIAL_MOUSE,
},
.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_SERIAL_MOUSE,
},
.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_SERIAL_TABLET,
},
.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_SERIAL_TABLET,
},
.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_SERIAL_KEYBOARD,
},
.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_SERIAL_KEYBOARD,
},
.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, 0x05, /* Usage Maximum (5) */
0x15, 0x00, /* Logical Minimum (0) */
0x25, 0x01, /* Logical Maximum (1) */
0x95, 0x05, /* Report Count (5) */
0x75, 0x01, /* Report Size (1) */
0x81, 0x02, /* Input (Data, Variable, Absolute) */
0x95, 0x01, /* Report Count (1) */
0x75, 0x03, /* Report Size (3) */
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, 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) */
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 HID_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 HID_SET_REPORT:
if (hs->kind == HID_KEYBOARD) {
p->actual_length = hid_keyboard_write(hs, data, length);
} else {
goto fail;
}
break;
case HID_GET_PROTOCOL:
if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
goto fail;
}
data[0] = hs->protocol;
p->actual_length = 1;
break;
case HID_SET_PROTOCOL:
if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) {
goto fail;
}
hs->protocol = value;
break;
case HID_GET_IDLE:
data[0] = hs->idle;
p->actual_length = 1;
break;
case HID_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;
g_autofree uint8_t *buf = g_malloc(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_unrealize(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;
}
usb_desc_create_serial(dev);
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->unrealize = usb_hid_unrealize;
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;
device_class_set_props(dc, 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;
device_class_set_props(dc, 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;
device_class_set_props(dc, 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)
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