803 lines
19 KiB
C
803 lines
19 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2014 Leon Dang <ldang@nahannisys.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/time.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include "usb_emul.h"
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#include "console.h"
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#include "bhyvegc.h"
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static int umouse_debug = 0;
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#define DPRINTF(params) if (umouse_debug) printf params
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#define WPRINTF(params) printf params
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/* USB endpoint context (1-15) for reporting mouse data events*/
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#define UMOUSE_INTR_ENDPT 1
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#define UMOUSE_REPORT_DESC_TYPE 0x22
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#define UMOUSE_GET_REPORT 0x01
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#define UMOUSE_GET_IDLE 0x02
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#define UMOUSE_GET_PROTOCOL 0x03
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#define UMOUSE_SET_REPORT 0x09
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#define UMOUSE_SET_IDLE 0x0A
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#define UMOUSE_SET_PROTOCOL 0x0B
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#define HSETW(ptr, val) ptr = { (uint8_t)(val), (uint8_t)((val) >> 8) }
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enum {
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UMSTR_LANG,
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UMSTR_MANUFACTURER,
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UMSTR_PRODUCT,
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UMSTR_SERIAL,
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UMSTR_CONFIG,
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UMSTR_MAX
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};
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static const char *umouse_desc_strings[] = {
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"\x04\x09",
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"BHYVE",
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"HID Tablet",
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"01",
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"HID Tablet Device",
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};
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struct umouse_hid_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bcdHID[2];
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uint8_t bCountryCode;
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uint8_t bNumDescriptors;
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uint8_t bReportDescriptorType;
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uint8_t wItemLength[2];
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} __packed;
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struct umouse_config_desc {
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struct usb_config_descriptor confd;
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struct usb_interface_descriptor ifcd;
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struct umouse_hid_descriptor hidd;
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struct usb_endpoint_descriptor endpd;
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struct usb_endpoint_ss_comp_descriptor sscompd;
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} __packed;
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#define MOUSE_MAX_X 0x8000
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#define MOUSE_MAX_Y 0x8000
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static const uint8_t umouse_report_desc[] = {
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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 (Button 1) */
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0x29, 0x03, /* USAGE_MAXIMUM (Button 3) */
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0x15, 0x00, /* LOGICAL_MINIMUM (0) */
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0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
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0x75, 0x01, /* REPORT_SIZE (1) */
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0x95, 0x03, /* REPORT_COUNT (3) */
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0x81, 0x02, /* INPUT (Data,Var,Abs); 3 buttons */
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0x75, 0x05, /* REPORT_SIZE (5) */
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0x95, 0x01, /* REPORT_COUNT (1) */
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0x81, 0x03, /* INPUT (Cnst,Var,Abs); padding */
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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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0x35, 0x00, /* PHYSICAL_MINIMUM (0) */
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0x46, 0xff, 0x7f, /* PHYSICAL_MAXIMUM (0x7fff) */
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0x15, 0x00, /* LOGICAL_MINIMUM (0) */
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0x26, 0xff, 0x7f, /* LOGICAL_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,Var,Abs) */
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0x05, 0x01, /* USAGE Page (Generic Desktop) */
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0x09, 0x38, /* USAGE (Wheel) */
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0x35, 0x00, /* PHYSICAL_MINIMUM (0) */
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0x45, 0x00, /* PHYSICAL_MAXIMUM (0) */
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0x15, 0x81, /* LOGICAL_MINIMUM (-127) */
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0x25, 0x7f, /* LOGICAL_MAXIMUM (127) */
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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,Var,Rel) */
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0xc0, /* END_COLLECTION */
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0xc0 /* END_COLLECTION */
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};
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struct umouse_report {
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uint8_t buttons; /* bits: 0 left, 1 right, 2 middle */
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int16_t x; /* x position */
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int16_t y; /* y position */
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int8_t z; /* z wheel position */
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} __packed;
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#define MSETW(ptr, val) ptr = { (uint8_t)(val), (uint8_t)((val) >> 8) }
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static struct usb_device_descriptor umouse_dev_desc = {
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.bLength = sizeof(umouse_dev_desc),
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.bDescriptorType = UDESC_DEVICE,
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MSETW(.bcdUSB, UD_USB_3_0),
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.bMaxPacketSize = 8, /* max packet size */
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MSETW(.idVendor, 0xFB5D), /* vendor */
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MSETW(.idProduct, 0x0001), /* product */
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MSETW(.bcdDevice, 0), /* device version */
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.iManufacturer = UMSTR_MANUFACTURER,
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.iProduct = UMSTR_PRODUCT,
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.iSerialNumber = UMSTR_SERIAL,
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.bNumConfigurations = 1,
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};
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static struct umouse_config_desc umouse_confd = {
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.confd = {
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.bLength = sizeof(umouse_confd.confd),
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.bDescriptorType = UDESC_CONFIG,
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.wTotalLength[0] = sizeof(umouse_confd),
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.bNumInterface = 1,
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.bConfigurationValue = 1,
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.iConfiguration = UMSTR_CONFIG,
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.bmAttributes = UC_BUS_POWERED | UC_REMOTE_WAKEUP,
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.bMaxPower = 0,
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},
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.ifcd = {
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.bLength = sizeof(umouse_confd.ifcd),
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.bDescriptorType = UDESC_INTERFACE,
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.bNumEndpoints = 1,
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.bInterfaceClass = UICLASS_HID,
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.bInterfaceSubClass = UISUBCLASS_BOOT,
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.bInterfaceProtocol = UIPROTO_MOUSE,
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},
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.hidd = {
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.bLength = sizeof(umouse_confd.hidd),
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.bDescriptorType = 0x21,
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.bcdHID = { 0x01, 0x10 },
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.bCountryCode = 0,
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.bNumDescriptors = 1,
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.bReportDescriptorType = UMOUSE_REPORT_DESC_TYPE,
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.wItemLength = { sizeof(umouse_report_desc), 0 },
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},
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.endpd = {
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.bLength = sizeof(umouse_confd.endpd),
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.bDescriptorType = UDESC_ENDPOINT,
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.bEndpointAddress = UE_DIR_IN | UMOUSE_INTR_ENDPT,
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.bmAttributes = UE_INTERRUPT,
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.wMaxPacketSize[0] = 8,
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.bInterval = 0xA,
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},
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.sscompd = {
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.bLength = sizeof(umouse_confd.sscompd),
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.bDescriptorType = UDESC_ENDPOINT_SS_COMP,
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.bMaxBurst = 0,
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.bmAttributes = 0,
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MSETW(.wBytesPerInterval, 0),
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},
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};
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struct umouse_bos_desc {
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struct usb_bos_descriptor bosd;
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struct usb_devcap_ss_descriptor usbssd;
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} __packed;
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struct umouse_bos_desc umouse_bosd = {
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.bosd = {
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.bLength = sizeof(umouse_bosd.bosd),
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.bDescriptorType = UDESC_BOS,
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HSETW(.wTotalLength, sizeof(umouse_bosd)),
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.bNumDeviceCaps = 1,
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},
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.usbssd = {
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.bLength = sizeof(umouse_bosd.usbssd),
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.bDescriptorType = UDESC_DEVICE_CAPABILITY,
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.bDevCapabilityType = 3,
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.bmAttributes = 0,
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HSETW(.wSpeedsSupported, 0x08),
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.bFunctionalitySupport = 3,
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.bU1DevExitLat = 0xa, /* dummy - not used */
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.wU2DevExitLat = { 0x20, 0x00 },
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}
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};
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struct umouse_softc {
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struct usb_hci *hci;
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char *opt;
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struct umouse_report um_report;
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int newdata;
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struct {
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uint8_t idle;
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uint8_t protocol;
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uint8_t feature;
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} hid;
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pthread_mutex_t mtx;
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pthread_mutex_t ev_mtx;
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int polling;
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struct timeval prev_evt;
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};
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static void
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umouse_event(uint8_t button, int x, int y, void *arg)
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{
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struct umouse_softc *sc;
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struct bhyvegc_image *gc;
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gc = console_get_image();
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if (gc == NULL) {
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/* not ready */
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return;
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}
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sc = arg;
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pthread_mutex_lock(&sc->mtx);
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sc->um_report.buttons = 0;
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sc->um_report.z = 0;
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if (button & 0x01)
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sc->um_report.buttons |= 0x01; /* left */
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if (button & 0x02)
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sc->um_report.buttons |= 0x04; /* middle */
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if (button & 0x04)
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sc->um_report.buttons |= 0x02; /* right */
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if (button & 0x8)
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sc->um_report.z = 1;
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if (button & 0x10)
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sc->um_report.z = -1;
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/* scale coords to mouse resolution */
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sc->um_report.x = MOUSE_MAX_X * x / gc->width;
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sc->um_report.y = MOUSE_MAX_Y * y / gc->height;
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sc->newdata = 1;
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pthread_mutex_unlock(&sc->mtx);
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pthread_mutex_lock(&sc->ev_mtx);
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sc->hci->hci_intr(sc->hci, UE_DIR_IN | UMOUSE_INTR_ENDPT);
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pthread_mutex_unlock(&sc->ev_mtx);
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}
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static void *
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umouse_init(struct usb_hci *hci, char *opt)
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{
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struct umouse_softc *sc;
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sc = calloc(1, sizeof(struct umouse_softc));
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sc->hci = hci;
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sc->hid.protocol = 1; /* REPORT protocol */
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sc->opt = strdup(opt);
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pthread_mutex_init(&sc->mtx, NULL);
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pthread_mutex_init(&sc->ev_mtx, NULL);
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console_ptr_register(umouse_event, sc, 10);
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return (sc);
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}
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#define UREQ(x,y) ((x) | ((y) << 8))
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static int
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umouse_request(void *scarg, struct usb_data_xfer *xfer)
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{
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struct umouse_softc *sc;
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struct usb_data_xfer_block *data;
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const char *str;
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uint16_t value;
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uint16_t index;
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uint16_t len;
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uint16_t slen;
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uint8_t *udata;
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int err;
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int i, idx;
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int eshort;
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sc = scarg;
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data = NULL;
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udata = NULL;
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idx = xfer->head;
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for (i = 0; i < xfer->ndata; i++) {
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xfer->data[idx].bdone = 0;
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if (data == NULL && USB_DATA_OK(xfer,i)) {
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data = &xfer->data[idx];
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udata = data->buf;
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}
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xfer->data[idx].processed = 1;
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idx = (idx + 1) % USB_MAX_XFER_BLOCKS;
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}
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err = USB_ERR_NORMAL_COMPLETION;
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eshort = 0;
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if (!xfer->ureq) {
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DPRINTF(("umouse_request: port %d\r\n", sc->hci->hci_port));
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goto done;
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}
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value = UGETW(xfer->ureq->wValue);
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index = UGETW(xfer->ureq->wIndex);
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len = UGETW(xfer->ureq->wLength);
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DPRINTF(("umouse_request: port %d, type 0x%x, req 0x%x, val 0x%x, "
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"idx 0x%x, len %u\r\n",
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sc->hci->hci_port, xfer->ureq->bmRequestType,
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xfer->ureq->bRequest, value, index, len));
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switch (UREQ(xfer->ureq->bRequest, xfer->ureq->bmRequestType)) {
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case UREQ(UR_GET_CONFIG, UT_READ_DEVICE):
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DPRINTF(("umouse: (UR_GET_CONFIG, UT_READ_DEVICE)\r\n"));
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if (!data)
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break;
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*udata = umouse_confd.confd.bConfigurationValue;
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data->blen = len > 0 ? len - 1 : 0;
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eshort = data->blen > 0;
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data->bdone += 1;
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break;
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case UREQ(UR_GET_DESCRIPTOR, UT_READ_DEVICE):
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DPRINTF(("umouse: (UR_GET_DESCRIPTOR, UT_READ_DEVICE) val %x\r\n",
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value >> 8));
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if (!data)
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break;
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switch (value >> 8) {
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case UDESC_DEVICE:
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DPRINTF(("umouse: (->UDESC_DEVICE) len %u ?= "
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"sizeof(umouse_dev_desc) %lu\r\n",
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len, sizeof(umouse_dev_desc)));
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if ((value & 0xFF) != 0) {
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err = USB_ERR_IOERROR;
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goto done;
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}
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if (len > sizeof(umouse_dev_desc)) {
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data->blen = len - sizeof(umouse_dev_desc);
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len = sizeof(umouse_dev_desc);
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} else
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data->blen = 0;
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memcpy(data->buf, &umouse_dev_desc, len);
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data->bdone += len;
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break;
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case UDESC_CONFIG:
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DPRINTF(("umouse: (->UDESC_CONFIG)\r\n"));
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if ((value & 0xFF) != 0) {
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err = USB_ERR_IOERROR;
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goto done;
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}
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if (len > sizeof(umouse_confd)) {
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data->blen = len - sizeof(umouse_confd);
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len = sizeof(umouse_confd);
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} else
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data->blen = 0;
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memcpy(data->buf, &umouse_confd, len);
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data->bdone += len;
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break;
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case UDESC_STRING:
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DPRINTF(("umouse: (->UDESC_STRING)\r\n"));
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str = NULL;
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if ((value & 0xFF) < UMSTR_MAX)
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str = umouse_desc_strings[value & 0xFF];
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else
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goto done;
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if ((value & 0xFF) == UMSTR_LANG) {
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udata[0] = 4;
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udata[1] = UDESC_STRING;
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data->blen = len - 2;
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len -= 2;
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data->bdone += 2;
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if (len >= 2) {
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udata[2] = str[0];
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udata[3] = str[1];
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data->blen -= 2;
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data->bdone += 2;
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} else
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data->blen = 0;
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goto done;
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}
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slen = 2 + strlen(str) * 2;
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udata[0] = slen;
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udata[1] = UDESC_STRING;
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if (len > slen) {
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data->blen = len - slen;
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len = slen;
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} else
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data->blen = 0;
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for (i = 2; i < len; i += 2) {
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udata[i] = *str++;
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udata[i+1] = '\0';
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}
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data->bdone += slen;
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break;
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case UDESC_BOS:
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DPRINTF(("umouse: USB3 BOS\r\n"));
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if (len > sizeof(umouse_bosd)) {
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data->blen = len - sizeof(umouse_bosd);
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len = sizeof(umouse_bosd);
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} else
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data->blen = 0;
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memcpy(udata, &umouse_bosd, len);
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data->bdone += len;
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break;
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default:
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DPRINTF(("umouse: unknown(%d)->ERROR\r\n", value >> 8));
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err = USB_ERR_IOERROR;
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goto done;
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}
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eshort = data->blen > 0;
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break;
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case UREQ(UR_GET_DESCRIPTOR, UT_READ_INTERFACE):
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DPRINTF(("umouse: (UR_GET_DESCRIPTOR, UT_READ_INTERFACE) "
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"0x%x\r\n", (value >> 8)));
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if (!data)
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break;
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switch (value >> 8) {
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case UMOUSE_REPORT_DESC_TYPE:
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if (len > sizeof(umouse_report_desc)) {
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|
data->blen = len - sizeof(umouse_report_desc);
|
|
len = sizeof(umouse_report_desc);
|
|
} else
|
|
data->blen = 0;
|
|
memcpy(data->buf, umouse_report_desc, len);
|
|
data->bdone += len;
|
|
break;
|
|
default:
|
|
DPRINTF(("umouse: IO ERROR\r\n"));
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
eshort = data->blen > 0;
|
|
break;
|
|
|
|
case UREQ(UR_GET_INTERFACE, UT_READ_INTERFACE):
|
|
DPRINTF(("umouse: (UR_GET_INTERFACE, UT_READ_INTERFACE)\r\n"));
|
|
if (index != 0) {
|
|
DPRINTF(("umouse get_interface, invalid index %d\r\n",
|
|
index));
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
|
|
if (!data)
|
|
break;
|
|
|
|
if (len > 0) {
|
|
*udata = 0;
|
|
data->blen = len - 1;
|
|
}
|
|
eshort = data->blen > 0;
|
|
data->bdone += 1;
|
|
break;
|
|
|
|
case UREQ(UR_GET_STATUS, UT_READ_DEVICE):
|
|
DPRINTF(("umouse: (UR_GET_STATUS, UT_READ_DEVICE)\r\n"));
|
|
if (data != NULL && len > 1) {
|
|
if (sc->hid.feature == UF_DEVICE_REMOTE_WAKEUP)
|
|
USETW(udata, UDS_REMOTE_WAKEUP);
|
|
else
|
|
USETW(udata, 0);
|
|
data->blen = len - 2;
|
|
data->bdone += 2;
|
|
}
|
|
|
|
eshort = data->blen > 0;
|
|
break;
|
|
|
|
case UREQ(UR_GET_STATUS, UT_READ_INTERFACE):
|
|
case UREQ(UR_GET_STATUS, UT_READ_ENDPOINT):
|
|
DPRINTF(("umouse: (UR_GET_STATUS, UT_READ_INTERFACE)\r\n"));
|
|
if (data != NULL && len > 1) {
|
|
USETW(udata, 0);
|
|
data->blen = len - 2;
|
|
data->bdone += 2;
|
|
}
|
|
eshort = data->blen > 0;
|
|
break;
|
|
|
|
case UREQ(UR_SET_ADDRESS, UT_WRITE_DEVICE):
|
|
/* XXX Controller should've handled this */
|
|
DPRINTF(("umouse set address %u\r\n", value));
|
|
break;
|
|
|
|
case UREQ(UR_SET_CONFIG, UT_WRITE_DEVICE):
|
|
DPRINTF(("umouse set config %u\r\n", value));
|
|
break;
|
|
|
|
case UREQ(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE):
|
|
DPRINTF(("umouse set descriptor %u\r\n", value));
|
|
break;
|
|
|
|
|
|
case UREQ(UR_CLEAR_FEATURE, UT_WRITE_DEVICE):
|
|
DPRINTF(("umouse: (UR_SET_FEATURE, UT_WRITE_DEVICE) %x\r\n", value));
|
|
if (value == UF_DEVICE_REMOTE_WAKEUP)
|
|
sc->hid.feature = 0;
|
|
break;
|
|
|
|
case UREQ(UR_SET_FEATURE, UT_WRITE_DEVICE):
|
|
DPRINTF(("umouse: (UR_SET_FEATURE, UT_WRITE_DEVICE) %x\r\n", value));
|
|
if (value == UF_DEVICE_REMOTE_WAKEUP)
|
|
sc->hid.feature = UF_DEVICE_REMOTE_WAKEUP;
|
|
break;
|
|
|
|
case UREQ(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE):
|
|
case UREQ(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT):
|
|
case UREQ(UR_SET_FEATURE, UT_WRITE_INTERFACE):
|
|
case UREQ(UR_SET_FEATURE, UT_WRITE_ENDPOINT):
|
|
DPRINTF(("umouse: (UR_CLEAR_FEATURE, UT_WRITE_INTERFACE)\r\n"));
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
|
|
case UREQ(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
|
|
DPRINTF(("umouse set interface %u\r\n", value));
|
|
break;
|
|
|
|
case UREQ(UR_ISOCH_DELAY, UT_WRITE_DEVICE):
|
|
DPRINTF(("umouse set isoch delay %u\r\n", value));
|
|
break;
|
|
|
|
case UREQ(UR_SET_SEL, 0):
|
|
DPRINTF(("umouse set sel\r\n"));
|
|
break;
|
|
|
|
case UREQ(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT):
|
|
DPRINTF(("umouse synch frame\r\n"));
|
|
break;
|
|
|
|
/* HID device requests */
|
|
|
|
case UREQ(UMOUSE_GET_REPORT, UT_READ_CLASS_INTERFACE):
|
|
DPRINTF(("umouse: (UMOUSE_GET_REPORT, UT_READ_CLASS_INTERFACE) "
|
|
"0x%x\r\n", (value >> 8)));
|
|
if (!data)
|
|
break;
|
|
|
|
if ((value >> 8) == 0x01 && len >= sizeof(sc->um_report)) {
|
|
/* TODO read from backend */
|
|
|
|
if (len > sizeof(sc->um_report)) {
|
|
data->blen = len - sizeof(sc->um_report);
|
|
len = sizeof(sc->um_report);
|
|
} else
|
|
data->blen = 0;
|
|
|
|
memcpy(data->buf, &sc->um_report, len);
|
|
data->bdone += len;
|
|
} else {
|
|
err = USB_ERR_IOERROR;
|
|
goto done;
|
|
}
|
|
eshort = data->blen > 0;
|
|
break;
|
|
|
|
case UREQ(UMOUSE_GET_IDLE, UT_READ_CLASS_INTERFACE):
|
|
if (data != NULL && len > 0) {
|
|
*udata = sc->hid.idle;
|
|
data->blen = len - 1;
|
|
data->bdone += 1;
|
|
}
|
|
eshort = data->blen > 0;
|
|
break;
|
|
|
|
case UREQ(UMOUSE_GET_PROTOCOL, UT_READ_CLASS_INTERFACE):
|
|
if (data != NULL && len > 0) {
|
|
*udata = sc->hid.protocol;
|
|
data->blen = len - 1;
|
|
data->bdone += 1;
|
|
}
|
|
eshort = data->blen > 0;
|
|
break;
|
|
|
|
case UREQ(UMOUSE_SET_REPORT, UT_WRITE_CLASS_INTERFACE):
|
|
DPRINTF(("umouse: (UMOUSE_SET_REPORT, UT_WRITE_CLASS_INTERFACE) ignored\r\n"));
|
|
break;
|
|
|
|
case UREQ(UMOUSE_SET_IDLE, UT_WRITE_CLASS_INTERFACE):
|
|
sc->hid.idle = UGETW(xfer->ureq->wValue) >> 8;
|
|
DPRINTF(("umouse: (UMOUSE_SET_IDLE, UT_WRITE_CLASS_INTERFACE) %x\r\n",
|
|
sc->hid.idle));
|
|
break;
|
|
|
|
case UREQ(UMOUSE_SET_PROTOCOL, UT_WRITE_CLASS_INTERFACE):
|
|
sc->hid.protocol = UGETW(xfer->ureq->wValue) >> 8;
|
|
DPRINTF(("umouse: (UR_CLEAR_FEATURE, UT_WRITE_CLASS_INTERFACE) %x\r\n",
|
|
sc->hid.protocol));
|
|
break;
|
|
|
|
default:
|
|
DPRINTF(("**** umouse request unhandled\r\n"));
|
|
err = USB_ERR_IOERROR;
|
|
break;
|
|
}
|
|
|
|
done:
|
|
if (xfer->ureq && (xfer->ureq->bmRequestType & UT_WRITE) &&
|
|
(err == USB_ERR_NORMAL_COMPLETION) && (data != NULL))
|
|
data->blen = 0;
|
|
else if (eshort)
|
|
err = USB_ERR_SHORT_XFER;
|
|
|
|
DPRINTF(("umouse request error code %d (0=ok), blen %u txlen %u\r\n",
|
|
err, (data ? data->blen : 0), (data ? data->bdone : 0)));
|
|
|
|
return (err);
|
|
}
|
|
|
|
static int
|
|
umouse_data_handler(void *scarg, struct usb_data_xfer *xfer, int dir,
|
|
int epctx)
|
|
{
|
|
struct umouse_softc *sc;
|
|
struct usb_data_xfer_block *data;
|
|
uint8_t *udata;
|
|
int len, i, idx;
|
|
int err;
|
|
|
|
DPRINTF(("umouse handle data - DIR=%s|EP=%d, blen %d\r\n",
|
|
dir ? "IN" : "OUT", epctx, xfer->data[0].blen));
|
|
|
|
|
|
/* find buffer to add data */
|
|
udata = NULL;
|
|
err = USB_ERR_NORMAL_COMPLETION;
|
|
|
|
/* handle xfer at first unprocessed item with buffer */
|
|
data = NULL;
|
|
idx = xfer->head;
|
|
for (i = 0; i < xfer->ndata; i++) {
|
|
data = &xfer->data[idx];
|
|
if (data->buf != NULL && data->blen != 0) {
|
|
break;
|
|
} else {
|
|
data->processed = 1;
|
|
data = NULL;
|
|
}
|
|
idx = (idx + 1) % USB_MAX_XFER_BLOCKS;
|
|
}
|
|
if (!data)
|
|
goto done;
|
|
|
|
udata = data->buf;
|
|
len = data->blen;
|
|
|
|
if (udata == NULL) {
|
|
DPRINTF(("umouse no buffer provided for input\r\n"));
|
|
err = USB_ERR_NOMEM;
|
|
goto done;
|
|
}
|
|
|
|
sc = scarg;
|
|
|
|
if (dir) {
|
|
|
|
pthread_mutex_lock(&sc->mtx);
|
|
|
|
if (!sc->newdata) {
|
|
err = USB_ERR_CANCELLED;
|
|
USB_DATA_SET_ERRCODE(&xfer->data[xfer->head], USB_NAK);
|
|
pthread_mutex_unlock(&sc->mtx);
|
|
goto done;
|
|
}
|
|
|
|
if (sc->polling) {
|
|
err = USB_ERR_STALLED;
|
|
USB_DATA_SET_ERRCODE(data, USB_STALL);
|
|
pthread_mutex_unlock(&sc->mtx);
|
|
goto done;
|
|
}
|
|
sc->polling = 1;
|
|
|
|
if (len > 0) {
|
|
sc->newdata = 0;
|
|
|
|
data->processed = 1;
|
|
data->bdone += 6;
|
|
memcpy(udata, &sc->um_report, 6);
|
|
data->blen = len - 6;
|
|
if (data->blen > 0)
|
|
err = USB_ERR_SHORT_XFER;
|
|
}
|
|
|
|
sc->polling = 0;
|
|
pthread_mutex_unlock(&sc->mtx);
|
|
} else {
|
|
USB_DATA_SET_ERRCODE(data, USB_STALL);
|
|
err = USB_ERR_STALLED;
|
|
}
|
|
|
|
done:
|
|
return (err);
|
|
}
|
|
|
|
static int
|
|
umouse_reset(void *scarg)
|
|
{
|
|
struct umouse_softc *sc;
|
|
|
|
sc = scarg;
|
|
|
|
sc->newdata = 0;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
umouse_remove(void *scarg)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
umouse_stop(void *scarg)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
struct usb_devemu ue_mouse = {
|
|
.ue_emu = "tablet",
|
|
.ue_usbver = 3,
|
|
.ue_usbspeed = USB_SPEED_HIGH,
|
|
.ue_init = umouse_init,
|
|
.ue_request = umouse_request,
|
|
.ue_data = umouse_data_handler,
|
|
.ue_reset = umouse_reset,
|
|
.ue_remove = umouse_remove,
|
|
.ue_stop = umouse_stop
|
|
};
|
|
USB_EMUL_SET(ue_mouse);
|