1227 lines
34 KiB
C
1227 lines
34 KiB
C
/*-
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* Copyright (c) 2012 Huang Wen Hui
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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/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/fcntl.h>
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#include <sys/file.h>
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#include <sys/selinfo.h>
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#include <sys/poll.h>
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#include <sys/sysctl.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbhid.h>
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#include "usbdevs.h"
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#define USB_DEBUG_VAR wsp_debug
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#include <dev/usb/usb_debug.h>
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#include <sys/mouse.h>
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#define WSP_DRIVER_NAME "wsp"
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#define WSP_BUFFER_MAX 1024
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#define WSP_CLAMP(x,low,high) do { \
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if ((x) < (low)) \
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(x) = (low); \
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else if ((x) > (high)) \
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(x) = (high); \
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} while (0)
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/* Tunables */
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static SYSCTL_NODE(_hw_usb, OID_AUTO, wsp, CTLFLAG_RW, 0, "USB wsp");
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#ifdef USB_DEBUG
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enum wsp_log_level {
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WSP_LLEVEL_DISABLED = 0,
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WSP_LLEVEL_ERROR,
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WSP_LLEVEL_DEBUG, /* for troubleshooting */
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WSP_LLEVEL_INFO, /* for diagnostics */
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};
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static int wsp_debug = WSP_LLEVEL_ERROR;/* the default is to only log errors */
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SYSCTL_INT(_hw_usb_wsp, OID_AUTO, debug, CTLFLAG_RWTUN,
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&wsp_debug, WSP_LLEVEL_ERROR, "WSP debug level");
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#endif /* USB_DEBUG */
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static struct wsp_tuning {
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int scale_factor;
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int z_factor;
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int pressure_touch_threshold;
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int pressure_untouch_threshold;
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int pressure_tap_threshold;
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int scr_hor_threshold;
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}
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wsp_tuning =
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{
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.scale_factor = 12,
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.z_factor = 5,
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.pressure_touch_threshold = 50,
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.pressure_untouch_threshold = 10,
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.pressure_tap_threshold = 100,
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.scr_hor_threshold = 10,
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};
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static void
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wsp_runing_rangecheck(struct wsp_tuning *ptun)
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{
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WSP_CLAMP(ptun->scale_factor, 1, 63);
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WSP_CLAMP(ptun->z_factor, 1, 63);
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WSP_CLAMP(ptun->pressure_touch_threshold, 1, 255);
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WSP_CLAMP(ptun->pressure_untouch_threshold, 1, 255);
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WSP_CLAMP(ptun->pressure_tap_threshold, 1, 255);
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WSP_CLAMP(ptun->scr_hor_threshold, 1, 255);
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}
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SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scale_factor, CTLFLAG_RWTUN,
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&wsp_tuning.scale_factor, 0, "movement scale factor");
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SYSCTL_INT(_hw_usb_wsp, OID_AUTO, z_factor, CTLFLAG_RWTUN,
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&wsp_tuning.z_factor, 0, "Z-axis scale factor");
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SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_touch_threshold, CTLFLAG_RWTUN,
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&wsp_tuning.pressure_touch_threshold, 0, "touch pressure threshold");
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SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_untouch_threshold, CTLFLAG_RWTUN,
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&wsp_tuning.pressure_untouch_threshold, 0, "untouch pressure threshold");
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SYSCTL_INT(_hw_usb_wsp, OID_AUTO, pressure_tap_threshold, CTLFLAG_RWTUN,
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&wsp_tuning.pressure_tap_threshold, 0, "tap pressure threshold");
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SYSCTL_INT(_hw_usb_wsp, OID_AUTO, scr_hor_threshold, CTLFLAG_RWTUN,
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&wsp_tuning.scr_hor_threshold, 0, "horizontal scrolling threshold");
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#define WSP_IFACE_INDEX 1
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/*
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* Some tables, structures, definitions and constant values for the
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* touchpad protocol has been copied from Linux's
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* "drivers/input/mouse/bcm5974.c" which has the following copyright
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* holders under GPLv2. All device specific code in this driver has
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* been written from scratch. The decoding algorithm is based on
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* output from FreeBSD's usbdump.
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*
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* Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se)
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* Copyright (C) 2008 Scott Shawcroft (scott.shawcroft@gmail.com)
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* Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
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* Copyright (C) 2005 Johannes Berg (johannes@sipsolutions.net)
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* Copyright (C) 2005 Stelian Pop (stelian@popies.net)
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* Copyright (C) 2005 Frank Arnold (frank@scirocco-5v-turbo.de)
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* Copyright (C) 2005 Peter Osterlund (petero2@telia.com)
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* Copyright (C) 2005 Michael Hanselmann (linux-kernel@hansmi.ch)
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* Copyright (C) 2006 Nicolas Boichat (nicolas@boichat.ch)
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*/
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/* button data structure */
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struct bt_data {
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uint8_t unknown1; /* constant */
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uint8_t button; /* left button */
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uint8_t rel_x; /* relative x coordinate */
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uint8_t rel_y; /* relative y coordinate */
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} __packed;
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/* trackpad header types */
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enum tp_type {
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TYPE1, /* plain trackpad */
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TYPE2, /* button integrated in trackpad */
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TYPE3 /* additional header fields since June 2013 */
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};
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/* trackpad finger data offsets, le16-aligned */
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#define FINGER_TYPE1 (13 * 2)
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#define FINGER_TYPE2 (15 * 2)
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#define FINGER_TYPE3 (19 * 2)
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/* trackpad button data offsets */
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#define BUTTON_TYPE2 15
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#define BUTTON_TYPE3 23
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/* list of device capability bits */
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#define HAS_INTEGRATED_BUTTON 1
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/* trackpad finger header - little endian */
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struct tp_header {
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uint8_t flag;
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uint8_t sn0;
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uint16_t wFixed0;
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uint32_t dwSn1;
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uint32_t dwFixed1;
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uint16_t wLength;
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uint8_t nfinger;
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uint8_t ibt;
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int16_t wUnknown[6];
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uint8_t q1;
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uint8_t q2;
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} __packed;
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/* trackpad finger structure - little endian */
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struct tp_finger {
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int16_t origin; /* zero when switching track finger */
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int16_t abs_x; /* absolute x coodinate */
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int16_t abs_y; /* absolute y coodinate */
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int16_t rel_x; /* relative x coodinate */
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int16_t rel_y; /* relative y coodinate */
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int16_t tool_major; /* tool area, major axis */
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int16_t tool_minor; /* tool area, minor axis */
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int16_t orientation; /* 16384 when point, else 15 bit angle */
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int16_t touch_major; /* touch area, major axis */
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int16_t touch_minor; /* touch area, minor axis */
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int16_t unused[3]; /* zeros */
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int16_t multi; /* one finger: varies, more fingers:
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* constant */
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} __packed;
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/* trackpad finger data size, empirically at least ten fingers */
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#define MAX_FINGERS 16
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#define SIZEOF_FINGER sizeof(struct tp_finger)
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#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER)
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#if (WSP_BUFFER_MAX < ((MAX_FINGERS * 14 * 2) + FINGER_TYPE3))
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#error "WSP_BUFFER_MAX is too small"
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#endif
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enum {
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WSP_FLAG_WELLSPRING1,
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WSP_FLAG_WELLSPRING2,
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WSP_FLAG_WELLSPRING3,
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WSP_FLAG_WELLSPRING4,
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WSP_FLAG_WELLSPRING4A,
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WSP_FLAG_WELLSPRING5,
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WSP_FLAG_WELLSPRING6A,
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WSP_FLAG_WELLSPRING6,
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WSP_FLAG_WELLSPRING5A,
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WSP_FLAG_WELLSPRING7,
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WSP_FLAG_WELLSPRING7A,
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WSP_FLAG_WELLSPRING8,
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WSP_FLAG_MAX,
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};
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/* device-specific configuration */
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struct wsp_dev_params {
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uint8_t caps; /* device capability bitmask */
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uint8_t tp_type; /* type of trackpad interface */
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uint8_t tp_offset; /* offset to trackpad finger data */
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};
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static const struct wsp_dev_params wsp_dev_params[WSP_FLAG_MAX] = {
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[WSP_FLAG_WELLSPRING1] = {
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.caps = 0,
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.tp_type = TYPE1,
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.tp_offset = FINGER_TYPE1,
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},
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[WSP_FLAG_WELLSPRING2] = {
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.caps = 0,
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.tp_type = TYPE1,
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.tp_offset = FINGER_TYPE1,
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},
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[WSP_FLAG_WELLSPRING3] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING4] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING4A] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING5] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING6] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING5A] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING6A] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING7] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING7A] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE2,
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.tp_offset = FINGER_TYPE2,
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},
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[WSP_FLAG_WELLSPRING8] = {
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.caps = HAS_INTEGRATED_BUTTON,
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.tp_type = TYPE3,
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.tp_offset = FINGER_TYPE3,
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},
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};
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#define WSP_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) }
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static const STRUCT_USB_HOST_ID wsp_devs[] = {
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/* MacbookAir1.1 */
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WSP_DEV(APPLE, WELLSPRING_ANSI, WSP_FLAG_WELLSPRING1),
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WSP_DEV(APPLE, WELLSPRING_ISO, WSP_FLAG_WELLSPRING1),
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WSP_DEV(APPLE, WELLSPRING_JIS, WSP_FLAG_WELLSPRING1),
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/* MacbookProPenryn, aka wellspring2 */
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WSP_DEV(APPLE, WELLSPRING2_ANSI, WSP_FLAG_WELLSPRING2),
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WSP_DEV(APPLE, WELLSPRING2_ISO, WSP_FLAG_WELLSPRING2),
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WSP_DEV(APPLE, WELLSPRING2_JIS, WSP_FLAG_WELLSPRING2),
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/* Macbook5,1 (unibody), aka wellspring3 */
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WSP_DEV(APPLE, WELLSPRING3_ANSI, WSP_FLAG_WELLSPRING3),
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WSP_DEV(APPLE, WELLSPRING3_ISO, WSP_FLAG_WELLSPRING3),
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WSP_DEV(APPLE, WELLSPRING3_JIS, WSP_FLAG_WELLSPRING3),
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/* MacbookAir3,2 (unibody), aka wellspring4 */
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WSP_DEV(APPLE, WELLSPRING4_ANSI, WSP_FLAG_WELLSPRING4),
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WSP_DEV(APPLE, WELLSPRING4_ISO, WSP_FLAG_WELLSPRING4),
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WSP_DEV(APPLE, WELLSPRING4_JIS, WSP_FLAG_WELLSPRING4),
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/* MacbookAir3,1 (unibody), aka wellspring4 */
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WSP_DEV(APPLE, WELLSPRING4A_ANSI, WSP_FLAG_WELLSPRING4A),
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WSP_DEV(APPLE, WELLSPRING4A_ISO, WSP_FLAG_WELLSPRING4A),
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WSP_DEV(APPLE, WELLSPRING4A_JIS, WSP_FLAG_WELLSPRING4A),
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/* Macbook8 (unibody, March 2011) */
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WSP_DEV(APPLE, WELLSPRING5_ANSI, WSP_FLAG_WELLSPRING5),
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WSP_DEV(APPLE, WELLSPRING5_ISO, WSP_FLAG_WELLSPRING5),
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WSP_DEV(APPLE, WELLSPRING5_JIS, WSP_FLAG_WELLSPRING5),
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/* MacbookAir4,1 (unibody, July 2011) */
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WSP_DEV(APPLE, WELLSPRING6A_ANSI, WSP_FLAG_WELLSPRING6A),
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WSP_DEV(APPLE, WELLSPRING6A_ISO, WSP_FLAG_WELLSPRING6A),
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WSP_DEV(APPLE, WELLSPRING6A_JIS, WSP_FLAG_WELLSPRING6A),
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/* MacbookAir4,2 (unibody, July 2011) */
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WSP_DEV(APPLE, WELLSPRING6_ANSI, WSP_FLAG_WELLSPRING6),
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WSP_DEV(APPLE, WELLSPRING6_ISO, WSP_FLAG_WELLSPRING6),
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WSP_DEV(APPLE, WELLSPRING6_JIS, WSP_FLAG_WELLSPRING6),
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/* Macbook8,2 (unibody) */
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WSP_DEV(APPLE, WELLSPRING5A_ANSI, WSP_FLAG_WELLSPRING5A),
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WSP_DEV(APPLE, WELLSPRING5A_ISO, WSP_FLAG_WELLSPRING5A),
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WSP_DEV(APPLE, WELLSPRING5A_JIS, WSP_FLAG_WELLSPRING5A),
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/* MacbookPro10,1 (unibody, June 2012) */
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/* MacbookPro11,? (unibody, June 2013) */
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WSP_DEV(APPLE, WELLSPRING7_ANSI, WSP_FLAG_WELLSPRING7),
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WSP_DEV(APPLE, WELLSPRING7_ISO, WSP_FLAG_WELLSPRING7),
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WSP_DEV(APPLE, WELLSPRING7_JIS, WSP_FLAG_WELLSPRING7),
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/* MacbookPro10,2 (unibody, October 2012) */
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WSP_DEV(APPLE, WELLSPRING7A_ANSI, WSP_FLAG_WELLSPRING7A),
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WSP_DEV(APPLE, WELLSPRING7A_ISO, WSP_FLAG_WELLSPRING7A),
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WSP_DEV(APPLE, WELLSPRING7A_JIS, WSP_FLAG_WELLSPRING7A),
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/* MacbookAir6,2 (unibody, June 2013) */
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WSP_DEV(APPLE, WELLSPRING8_ANSI, WSP_FLAG_WELLSPRING8),
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WSP_DEV(APPLE, WELLSPRING8_ISO, WSP_FLAG_WELLSPRING8),
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WSP_DEV(APPLE, WELLSPRING8_JIS, WSP_FLAG_WELLSPRING8),
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};
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#define WSP_FIFO_BUF_SIZE 8 /* bytes */
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#define WSP_FIFO_QUEUE_MAXLEN 50 /* units */
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enum {
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WSP_INTR_DT,
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WSP_N_TRANSFER,
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};
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struct wsp_softc {
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struct usb_device *sc_usb_device;
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struct mtx sc_mutex; /* for synchronization */
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struct usb_xfer *sc_xfer[WSP_N_TRANSFER];
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struct usb_fifo_sc sc_fifo;
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const struct wsp_dev_params *sc_params; /* device configuration */
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mousehw_t sc_hw;
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mousemode_t sc_mode;
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u_int sc_pollrate;
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mousestatus_t sc_status;
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u_int sc_state;
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#define WSP_ENABLED 0x01
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struct tp_finger *index[MAX_FINGERS]; /* finger index data */
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int16_t pos_x[MAX_FINGERS]; /* position array */
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int16_t pos_y[MAX_FINGERS]; /* position array */
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u_int sc_touch; /* touch status */
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#define WSP_UNTOUCH 0x00
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#define WSP_FIRST_TOUCH 0x01
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#define WSP_SECOND_TOUCH 0x02
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#define WSP_TOUCHING 0x04
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int16_t pre_pos_x; /* previous position array */
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int16_t pre_pos_y; /* previous position array */
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int dx_sum; /* x axis cumulative movement */
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int dy_sum; /* y axis cumulative movement */
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int dz_sum; /* z axis cumulative movement */
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int dz_count;
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#define WSP_DZ_MAX_COUNT 32
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int dt_sum; /* T-axis cumulative movement */
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int rdx; /* x axis remainder of divide by scale_factor */
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int rdy; /* y axis remainder of divide by scale_factor */
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int rdz; /* z axis remainder of divide by scale_factor */
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int tp_datalen;
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uint8_t o_ntouch; /* old touch finger status */
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uint8_t finger; /* 0 or 1 *, check which finger moving */
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uint16_t intr_count;
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#define WSP_TAP_THRESHOLD 3
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#define WSP_TAP_MAX_COUNT 20
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int distance; /* the distance of 2 fingers */
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#define MAX_DISTANCE 2500 /* the max allowed distance */
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uint8_t ibtn; /* button status in tapping */
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uint8_t ntaps; /* finger status in tapping */
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uint8_t scr_mode; /* scroll status in movement */
|
|
#define WSP_SCR_NONE 0
|
|
#define WSP_SCR_VER 1
|
|
#define WSP_SCR_HOR 2
|
|
uint8_t tp_data[WSP_BUFFER_MAX] __aligned(4); /* trackpad transferred data */
|
|
};
|
|
|
|
typedef enum interface_mode {
|
|
RAW_SENSOR_MODE = 0x01,
|
|
HID_MODE = 0x08
|
|
} interface_mode;
|
|
|
|
/*
|
|
* function prototypes
|
|
*/
|
|
static usb_fifo_cmd_t wsp_start_read;
|
|
static usb_fifo_cmd_t wsp_stop_read;
|
|
static usb_fifo_open_t wsp_open;
|
|
static usb_fifo_close_t wsp_close;
|
|
static usb_fifo_ioctl_t wsp_ioctl;
|
|
|
|
static struct usb_fifo_methods wsp_fifo_methods = {
|
|
.f_open = &wsp_open,
|
|
.f_close = &wsp_close,
|
|
.f_ioctl = &wsp_ioctl,
|
|
.f_start_read = &wsp_start_read,
|
|
.f_stop_read = &wsp_stop_read,
|
|
.basename[0] = WSP_DRIVER_NAME,
|
|
};
|
|
|
|
/* device initialization and shutdown */
|
|
static int wsp_enable(struct wsp_softc *sc);
|
|
static void wsp_disable(struct wsp_softc *sc);
|
|
|
|
/* updating fifo */
|
|
static void wsp_reset_buf(struct wsp_softc *sc);
|
|
static void wsp_add_to_queue(struct wsp_softc *, int, int, int, uint32_t);
|
|
|
|
/* Device methods. */
|
|
static device_probe_t wsp_probe;
|
|
static device_attach_t wsp_attach;
|
|
static device_detach_t wsp_detach;
|
|
static usb_callback_t wsp_intr_callback;
|
|
|
|
static const struct usb_config wsp_config[WSP_N_TRANSFER] = {
|
|
[WSP_INTR_DT] = {
|
|
.type = UE_INTERRUPT,
|
|
.endpoint = UE_ADDR_ANY,
|
|
.direction = UE_DIR_IN,
|
|
.flags = {
|
|
.pipe_bof = 0,
|
|
.short_xfer_ok = 1,
|
|
},
|
|
.bufsize = WSP_BUFFER_MAX,
|
|
.callback = &wsp_intr_callback,
|
|
},
|
|
};
|
|
|
|
static usb_error_t
|
|
wsp_set_device_mode(struct wsp_softc *sc, interface_mode mode)
|
|
{
|
|
uint8_t mode_bytes[8];
|
|
usb_error_t err;
|
|
|
|
err = usbd_req_get_report(sc->sc_usb_device, NULL,
|
|
mode_bytes, sizeof(mode_bytes), 0,
|
|
0x03, 0x00);
|
|
|
|
if (err != USB_ERR_NORMAL_COMPLETION) {
|
|
DPRINTF("Failed to read device mode (%d)\n", err);
|
|
return (err);
|
|
}
|
|
|
|
/*
|
|
* XXX Need to wait at least 250ms for hardware to get
|
|
* ready. The device mode handling appears to be handled
|
|
* asynchronously and we should not issue these commands too
|
|
* quickly.
|
|
*/
|
|
pause("WHW", hz / 4);
|
|
|
|
mode_bytes[0] = mode;
|
|
|
|
return (usbd_req_set_report(sc->sc_usb_device, NULL,
|
|
mode_bytes, sizeof(mode_bytes), 0,
|
|
0x03, 0x00));
|
|
}
|
|
|
|
static int
|
|
wsp_enable(struct wsp_softc *sc)
|
|
{
|
|
/* reset status */
|
|
memset(&sc->sc_status, 0, sizeof(sc->sc_status));
|
|
sc->sc_state |= WSP_ENABLED;
|
|
|
|
DPRINTFN(WSP_LLEVEL_INFO, "enabled wsp\n");
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
wsp_disable(struct wsp_softc *sc)
|
|
{
|
|
sc->sc_state &= ~WSP_ENABLED;
|
|
DPRINTFN(WSP_LLEVEL_INFO, "disabled wsp\n");
|
|
}
|
|
|
|
static int
|
|
wsp_probe(device_t self)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(self);
|
|
|
|
if (uaa->usb_mode != USB_MODE_HOST)
|
|
return (ENXIO);
|
|
|
|
if (uaa->info.bIfaceIndex != WSP_IFACE_INDEX)
|
|
return (ENXIO);
|
|
|
|
if ((uaa->info.bInterfaceClass != UICLASS_HID) ||
|
|
(uaa->info.bInterfaceProtocol != 0))
|
|
return (ENXIO);
|
|
|
|
return (usbd_lookup_id_by_uaa(wsp_devs, sizeof(wsp_devs), uaa));
|
|
}
|
|
|
|
static int
|
|
wsp_attach(device_t dev)
|
|
{
|
|
struct wsp_softc *sc = device_get_softc(dev);
|
|
struct usb_attach_arg *uaa = device_get_ivars(dev);
|
|
usb_error_t err;
|
|
void *d_ptr = NULL;
|
|
uint16_t d_len;
|
|
|
|
DPRINTFN(WSP_LLEVEL_INFO, "sc=%p\n", sc);
|
|
|
|
/* Get HID descriptor */
|
|
err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr,
|
|
&d_len, M_TEMP, uaa->info.bIfaceIndex);
|
|
|
|
if (err == USB_ERR_NORMAL_COMPLETION) {
|
|
/* Get HID report descriptor length */
|
|
sc->tp_datalen = hid_report_size(d_ptr, d_len, hid_input, NULL);
|
|
free(d_ptr, M_TEMP);
|
|
|
|
if (sc->tp_datalen <= 0 || sc->tp_datalen > WSP_BUFFER_MAX) {
|
|
DPRINTF("Invalid datalength or too big "
|
|
"datalength: %d\n", sc->tp_datalen);
|
|
return (ENXIO);
|
|
}
|
|
} else {
|
|
return (ENXIO);
|
|
}
|
|
|
|
sc->sc_usb_device = uaa->device;
|
|
|
|
/*
|
|
* By default the touchpad behaves like a HID device, sending
|
|
* packets with reportID = 8. Such reports contain only
|
|
* limited information. They encode movement deltas and button
|
|
* events, but do not include data from the pressure
|
|
* sensors. The device input mode can be switched from HID
|
|
* reports to raw sensor data using vendor-specific USB
|
|
* control commands:
|
|
*/
|
|
|
|
/*
|
|
* During re-enumeration of the device we need to force the
|
|
* device back into HID mode before switching it to RAW
|
|
* mode. Else the device does not work like expected.
|
|
*/
|
|
err = wsp_set_device_mode(sc, HID_MODE);
|
|
if (err != USB_ERR_NORMAL_COMPLETION) {
|
|
DPRINTF("Failed to set mode to HID MODE (%d)\n", err);
|
|
return (ENXIO);
|
|
}
|
|
|
|
err = wsp_set_device_mode(sc, RAW_SENSOR_MODE);
|
|
if (err != USB_ERR_NORMAL_COMPLETION) {
|
|
DPRINTF("failed to set mode to RAW MODE (%d)\n", err);
|
|
return (ENXIO);
|
|
}
|
|
|
|
mtx_init(&sc->sc_mutex, "wspmtx", NULL, MTX_DEF | MTX_RECURSE);
|
|
|
|
/* get device specific configuration */
|
|
sc->sc_params = wsp_dev_params + USB_GET_DRIVER_INFO(uaa);
|
|
|
|
err = usbd_transfer_setup(uaa->device,
|
|
&uaa->info.bIfaceIndex, sc->sc_xfer, wsp_config,
|
|
WSP_N_TRANSFER, sc, &sc->sc_mutex);
|
|
if (err) {
|
|
DPRINTF("error=%s\n", usbd_errstr(err));
|
|
goto detach;
|
|
}
|
|
if (usb_fifo_attach(sc->sc_usb_device, sc, &sc->sc_mutex,
|
|
&wsp_fifo_methods, &sc->sc_fifo,
|
|
device_get_unit(dev), -1, uaa->info.bIfaceIndex,
|
|
UID_ROOT, GID_OPERATOR, 0644)) {
|
|
goto detach;
|
|
}
|
|
device_set_usb_desc(dev);
|
|
|
|
sc->sc_hw.buttons = 3;
|
|
sc->sc_hw.iftype = MOUSE_IF_USB;
|
|
sc->sc_hw.type = MOUSE_PAD;
|
|
sc->sc_hw.model = MOUSE_MODEL_GENERIC;
|
|
sc->sc_mode.protocol = MOUSE_PROTO_MSC;
|
|
sc->sc_mode.rate = -1;
|
|
sc->sc_mode.resolution = MOUSE_RES_UNKNOWN;
|
|
sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
|
|
sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
|
|
sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
|
|
|
|
sc->sc_touch = WSP_UNTOUCH;
|
|
sc->scr_mode = WSP_SCR_NONE;
|
|
|
|
return (0);
|
|
|
|
detach:
|
|
wsp_detach(dev);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
static int
|
|
wsp_detach(device_t dev)
|
|
{
|
|
struct wsp_softc *sc = device_get_softc(dev);
|
|
|
|
(void) wsp_set_device_mode(sc, HID_MODE);
|
|
|
|
mtx_lock(&sc->sc_mutex);
|
|
if (sc->sc_state & WSP_ENABLED)
|
|
wsp_disable(sc);
|
|
mtx_unlock(&sc->sc_mutex);
|
|
|
|
usb_fifo_detach(&sc->sc_fifo);
|
|
|
|
usbd_transfer_unsetup(sc->sc_xfer, WSP_N_TRANSFER);
|
|
|
|
mtx_destroy(&sc->sc_mutex);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
wsp_intr_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct wsp_softc *sc = usbd_xfer_softc(xfer);
|
|
const struct wsp_dev_params *params = sc->sc_params;
|
|
struct usb_page_cache *pc;
|
|
struct tp_finger *f;
|
|
struct tp_header *h;
|
|
struct wsp_tuning tun = wsp_tuning;
|
|
int ntouch = 0; /* the finger number in touch */
|
|
int ibt = 0; /* button status */
|
|
int dx = 0;
|
|
int dy = 0;
|
|
int dz = 0;
|
|
int rdx = 0;
|
|
int rdy = 0;
|
|
int rdz = 0;
|
|
int len;
|
|
int i;
|
|
|
|
wsp_runing_rangecheck(&tun);
|
|
|
|
if (sc->dz_count == 0)
|
|
sc->dz_count = WSP_DZ_MAX_COUNT;
|
|
|
|
usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
/* copy out received data */
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_out(pc, 0, sc->tp_data, len);
|
|
|
|
if (len < sc->tp_datalen) {
|
|
/* make sure we don't process old data */
|
|
memset(sc->tp_data + len, 0, sc->tp_datalen - len);
|
|
}
|
|
|
|
h = (struct tp_header *)(sc->tp_data);
|
|
|
|
if (params->tp_type == TYPE2) {
|
|
ibt = sc->tp_data[BUTTON_TYPE2];
|
|
ntouch = sc->tp_data[BUTTON_TYPE2 - 1];
|
|
} else if (params->tp_type == TYPE3) {
|
|
ibt = sc->tp_data[BUTTON_TYPE3];
|
|
ntouch = sc->tp_data[BUTTON_TYPE3 - 1];
|
|
}
|
|
/* range check */
|
|
if (ntouch < 0)
|
|
ntouch = 0;
|
|
else if (ntouch > MAX_FINGERS)
|
|
ntouch = MAX_FINGERS;
|
|
|
|
f = (struct tp_finger *)(sc->tp_data + params->tp_offset);
|
|
|
|
for (i = 0; i != ntouch; i++) {
|
|
/* swap endianness, if any */
|
|
if (le16toh(0x1234) != 0x1234) {
|
|
f[i].origin = le16toh((uint16_t)f[i].origin);
|
|
f[i].abs_x = le16toh((uint16_t)f[i].abs_x);
|
|
f[i].abs_y = le16toh((uint16_t)f[i].abs_y);
|
|
f[i].rel_x = le16toh((uint16_t)f[i].rel_x);
|
|
f[i].rel_y = le16toh((uint16_t)f[i].rel_y);
|
|
f[i].tool_major = le16toh((uint16_t)f[i].tool_major);
|
|
f[i].tool_minor = le16toh((uint16_t)f[i].tool_minor);
|
|
f[i].orientation = le16toh((uint16_t)f[i].orientation);
|
|
f[i].touch_major = le16toh((uint16_t)f[i].touch_major);
|
|
f[i].touch_minor = le16toh((uint16_t)f[i].touch_minor);
|
|
f[i].multi = le16toh((uint16_t)f[i].multi);
|
|
}
|
|
DPRINTFN(WSP_LLEVEL_INFO, "[%d]ibt=%d, taps=%d, u=%x, o=%4d, ax=%5d, ay=%5d, "
|
|
"rx=%5d, ry=%5d, tlmaj=%4d, tlmin=%4d, ot=%5d, tchmaj=%4d, tchmin=%4d, m=%4x\n",
|
|
i, ibt, ntouch, h->q2,
|
|
f[i].origin, f[i].abs_x, f[i].abs_y, f[i].rel_x, f[i].rel_y,
|
|
f[i].tool_major, f[i].tool_minor, f[i].orientation,
|
|
f[i].touch_major, f[i].touch_minor, f[i].multi);
|
|
|
|
sc->pos_x[i] = f[i].abs_x;
|
|
sc->pos_y[i] = -f[i].abs_y;
|
|
sc->index[i] = &f[i];
|
|
}
|
|
|
|
sc->sc_status.flags &= ~MOUSE_POSCHANGED;
|
|
sc->sc_status.flags &= ~MOUSE_STDBUTTONSCHANGED;
|
|
sc->sc_status.obutton = sc->sc_status.button;
|
|
sc->sc_status.button = 0;
|
|
|
|
if (ibt != 0) {
|
|
sc->sc_status.button |= MOUSE_BUTTON1DOWN;
|
|
sc->ibtn = 1;
|
|
}
|
|
if (h->q2 == 4)
|
|
sc->intr_count++;
|
|
|
|
if (sc->ntaps < ntouch) {
|
|
switch (ntouch) {
|
|
case 1:
|
|
if (f[0].touch_major > tun.pressure_tap_threshold)
|
|
sc->ntaps = 1;
|
|
break;
|
|
case 2:
|
|
if (f[0].touch_major > tun.pressure_tap_threshold &&
|
|
f[1].touch_major > tun.pressure_tap_threshold)
|
|
sc->ntaps = 2;
|
|
break;
|
|
case 3:
|
|
if (f[0].touch_major > tun.pressure_tap_threshold &&
|
|
f[1].touch_major > tun.pressure_tap_threshold &&
|
|
f[2].touch_major > tun.pressure_tap_threshold)
|
|
sc->ntaps = 3;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (ntouch == 2) {
|
|
sc->distance = max(sc->distance, max(
|
|
abs(sc->pos_x[0] - sc->pos_x[1]),
|
|
abs(sc->pos_y[0] - sc->pos_y[1])));
|
|
}
|
|
if (f[0].touch_major < tun.pressure_untouch_threshold &&
|
|
sc->sc_status.button == 0) {
|
|
sc->sc_touch = WSP_UNTOUCH;
|
|
if (sc->intr_count < WSP_TAP_MAX_COUNT &&
|
|
sc->intr_count > WSP_TAP_THRESHOLD &&
|
|
sc->ntaps && sc->ibtn == 0) {
|
|
/*
|
|
* Add a pair of events (button-down and
|
|
* button-up).
|
|
*/
|
|
switch (sc->ntaps) {
|
|
case 1:
|
|
if (!(params->caps & HAS_INTEGRATED_BUTTON)) {
|
|
wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON1DOWN);
|
|
DPRINTFN(WSP_LLEVEL_INFO, "LEFT CLICK!\n");
|
|
}
|
|
break;
|
|
case 2:
|
|
DPRINTFN(WSP_LLEVEL_INFO, "sum_x=%5d, sum_y=%5d\n",
|
|
sc->dx_sum, sc->dy_sum);
|
|
if (sc->distance < MAX_DISTANCE && abs(sc->dx_sum) < 5 &&
|
|
abs(sc->dy_sum) < 5) {
|
|
wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON3DOWN);
|
|
DPRINTFN(WSP_LLEVEL_INFO, "RIGHT CLICK!\n");
|
|
}
|
|
break;
|
|
case 3:
|
|
wsp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON2DOWN);
|
|
break;
|
|
default:
|
|
/* we don't handle taps of more than three fingers */
|
|
break;
|
|
}
|
|
wsp_add_to_queue(sc, 0, 0, 0, 0); /* button release */
|
|
}
|
|
if ((sc->dt_sum / tun.scr_hor_threshold) != 0 &&
|
|
sc->ntaps == 2 && sc->scr_mode == WSP_SCR_HOR) {
|
|
|
|
/*
|
|
* translate T-axis into button presses
|
|
* until further
|
|
*/
|
|
if (sc->dt_sum > 0)
|
|
wsp_add_to_queue(sc, 0, 0, 0, 1UL << 3);
|
|
else if (sc->dt_sum < 0)
|
|
wsp_add_to_queue(sc, 0, 0, 0, 1UL << 4);
|
|
}
|
|
sc->dz_count = WSP_DZ_MAX_COUNT;
|
|
sc->dz_sum = 0;
|
|
sc->intr_count = 0;
|
|
sc->ibtn = 0;
|
|
sc->ntaps = 0;
|
|
sc->finger = 0;
|
|
sc->distance = 0;
|
|
sc->dt_sum = 0;
|
|
sc->dx_sum = 0;
|
|
sc->dy_sum = 0;
|
|
sc->rdx = 0;
|
|
sc->rdy = 0;
|
|
sc->rdz = 0;
|
|
sc->scr_mode = WSP_SCR_NONE;
|
|
} else if (f[0].touch_major >= tun.pressure_touch_threshold &&
|
|
sc->sc_touch == WSP_UNTOUCH) { /* ignore first touch */
|
|
sc->sc_touch = WSP_FIRST_TOUCH;
|
|
} else if (f[0].touch_major >= tun.pressure_touch_threshold &&
|
|
sc->sc_touch == WSP_FIRST_TOUCH) { /* ignore second touch */
|
|
sc->sc_touch = WSP_SECOND_TOUCH;
|
|
DPRINTFN(WSP_LLEVEL_INFO, "Fist pre_x=%5d, pre_y=%5d\n",
|
|
sc->pre_pos_x, sc->pre_pos_y);
|
|
} else {
|
|
if (sc->sc_touch == WSP_SECOND_TOUCH)
|
|
sc->sc_touch = WSP_TOUCHING;
|
|
|
|
if (ntouch != 0 &&
|
|
h->q2 == 4 &&
|
|
f[0].touch_major >= tun.pressure_touch_threshold) {
|
|
dx = sc->pos_x[0] - sc->pre_pos_x;
|
|
dy = sc->pos_y[0] - sc->pre_pos_y;
|
|
|
|
/* Ignore movement from ibt=1 to ibt=0 */
|
|
if (sc->sc_status.obutton != 0 &&
|
|
sc->sc_status.button == 0) {
|
|
dx = 0;
|
|
dy = 0;
|
|
}
|
|
/* Ignore movement if ntouch changed */
|
|
if (sc->o_ntouch != ntouch) {
|
|
dx = 0;
|
|
dy = 0;
|
|
}
|
|
|
|
if (ntouch == 2 && sc->sc_status.button != 0) {
|
|
dx = sc->pos_x[sc->finger] - sc->pre_pos_x;
|
|
dy = sc->pos_y[sc->finger] - sc->pre_pos_y;
|
|
|
|
/*
|
|
* Ignore movement of switch finger or
|
|
* movement from ibt=0 to ibt=1
|
|
*/
|
|
if (f[0].origin == 0 || f[1].origin == 0 ||
|
|
sc->sc_status.obutton != sc->sc_status.button) {
|
|
dx = 0;
|
|
dy = 0;
|
|
sc->finger = 0;
|
|
}
|
|
if ((abs(f[0].rel_x) + abs(f[0].rel_y)) <
|
|
(abs(f[1].rel_x) + abs(f[1].rel_y)) &&
|
|
sc->finger == 0) {
|
|
sc->sc_touch = WSP_SECOND_TOUCH;
|
|
dx = 0;
|
|
dy = 0;
|
|
sc->finger = 1;
|
|
}
|
|
if ((abs(f[0].rel_x) + abs(f[0].rel_y)) >=
|
|
(abs(f[1].rel_x) + abs(f[1].rel_y)) &&
|
|
sc->finger == 1) {
|
|
sc->sc_touch = WSP_SECOND_TOUCH;
|
|
dx = 0;
|
|
dy = 0;
|
|
sc->finger = 0;
|
|
}
|
|
DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, mov=%5d\n",
|
|
dx, dy, sc->finger);
|
|
}
|
|
if (sc->dz_count--) {
|
|
rdz = (dy + sc->rdz) % tun.scale_factor;
|
|
sc->dz_sum -= (dy + sc->rdz) / tun.scale_factor;
|
|
sc->rdz = rdz;
|
|
}
|
|
if ((sc->dz_sum / tun.z_factor) != 0)
|
|
sc->dz_count = 0;
|
|
}
|
|
rdx = (dx + sc->rdx) % tun.scale_factor;
|
|
dx = (dx + sc->rdx) / tun.scale_factor;
|
|
sc->rdx = rdx;
|
|
|
|
rdy = (dy + sc->rdy) % tun.scale_factor;
|
|
dy = (dy + sc->rdy) / tun.scale_factor;
|
|
sc->rdy = rdy;
|
|
|
|
sc->dx_sum += dx;
|
|
sc->dy_sum += dy;
|
|
|
|
if (ntouch == 2 && sc->sc_status.button == 0) {
|
|
if (sc->scr_mode == WSP_SCR_NONE &&
|
|
abs(sc->dx_sum) + abs(sc->dy_sum) > tun.scr_hor_threshold)
|
|
sc->scr_mode = abs(sc->dx_sum) >
|
|
abs(sc->dy_sum) * 3 ? WSP_SCR_HOR :
|
|
WSP_SCR_VER;
|
|
DPRINTFN(WSP_LLEVEL_INFO, "scr_mode=%5d, count=%d, dx_sum=%d, dy_sum=%d\n",
|
|
sc->scr_mode, sc->intr_count, sc->dx_sum, sc->dy_sum);
|
|
if (sc->scr_mode == WSP_SCR_HOR)
|
|
sc->dt_sum += dx;
|
|
else
|
|
sc->dt_sum = 0;
|
|
|
|
dx = 0;
|
|
dy = 0;
|
|
if (sc->dz_count == 0)
|
|
dz = sc->dz_sum / tun.z_factor;
|
|
if (sc->scr_mode == WSP_SCR_HOR ||
|
|
abs(sc->pos_x[0] - sc->pos_x[1]) > MAX_DISTANCE ||
|
|
abs(sc->pos_y[0] - sc->pos_y[1]) > MAX_DISTANCE)
|
|
dz = 0;
|
|
}
|
|
if (ntouch == 3) {
|
|
dx = 0;
|
|
dy = 0;
|
|
dz = 0;
|
|
}
|
|
if (sc->intr_count < WSP_TAP_MAX_COUNT &&
|
|
abs(dx) < 3 && abs(dy) < 3 && abs(dz) < 3) {
|
|
dx = dy = dz = 0;
|
|
} else
|
|
sc->intr_count = WSP_TAP_MAX_COUNT;
|
|
if (dx || dy || dz)
|
|
sc->sc_status.flags |= MOUSE_POSCHANGED;
|
|
DPRINTFN(WSP_LLEVEL_INFO, "dx=%5d, dy=%5d, dz=%5d, sc_touch=%x, btn=%x\n",
|
|
dx, dy, dz, sc->sc_touch, sc->sc_status.button);
|
|
sc->sc_status.dx += dx;
|
|
sc->sc_status.dy += dy;
|
|
sc->sc_status.dz += dz;
|
|
|
|
wsp_add_to_queue(sc, dx, -dy, dz, sc->sc_status.button);
|
|
if (sc->dz_count == 0) {
|
|
sc->dz_sum = 0;
|
|
sc->rdz = 0;
|
|
}
|
|
|
|
}
|
|
sc->pre_pos_x = sc->pos_x[0];
|
|
sc->pre_pos_y = sc->pos_y[0];
|
|
|
|
if (ntouch == 2 && sc->sc_status.button != 0) {
|
|
sc->pre_pos_x = sc->pos_x[sc->finger];
|
|
sc->pre_pos_y = sc->pos_y[sc->finger];
|
|
}
|
|
sc->o_ntouch = ntouch;
|
|
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
/* check if we can put more data into the FIFO */
|
|
if (usb_fifo_put_bytes_max(
|
|
sc->sc_fifo.fp[USB_FIFO_RX]) != 0) {
|
|
usbd_xfer_set_frame_len(xfer, 0,
|
|
sc->tp_datalen);
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
break;
|
|
|
|
default: /* Error */
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
wsp_add_to_queue(struct wsp_softc *sc, int dx, int dy, int dz,
|
|
uint32_t buttons_in)
|
|
{
|
|
uint32_t buttons_out;
|
|
uint8_t buf[8];
|
|
|
|
dx = imin(dx, 254);
|
|
dx = imax(dx, -256);
|
|
dy = imin(dy, 254);
|
|
dy = imax(dy, -256);
|
|
dz = imin(dz, 126);
|
|
dz = imax(dz, -128);
|
|
|
|
buttons_out = MOUSE_MSC_BUTTONS;
|
|
if (buttons_in & MOUSE_BUTTON1DOWN)
|
|
buttons_out &= ~MOUSE_MSC_BUTTON1UP;
|
|
else if (buttons_in & MOUSE_BUTTON2DOWN)
|
|
buttons_out &= ~MOUSE_MSC_BUTTON2UP;
|
|
else if (buttons_in & MOUSE_BUTTON3DOWN)
|
|
buttons_out &= ~MOUSE_MSC_BUTTON3UP;
|
|
|
|
/* Encode the mouse data in standard format; refer to mouse(4) */
|
|
buf[0] = sc->sc_mode.syncmask[1];
|
|
buf[0] |= buttons_out;
|
|
buf[1] = dx >> 1;
|
|
buf[2] = dy >> 1;
|
|
buf[3] = dx - (dx >> 1);
|
|
buf[4] = dy - (dy >> 1);
|
|
/* Encode extra bytes for level 1 */
|
|
if (sc->sc_mode.level == 1) {
|
|
buf[5] = dz >> 1; /* dz / 2 */
|
|
buf[6] = dz - (dz >> 1);/* dz - (dz / 2) */
|
|
buf[7] = (((~buttons_in) >> 3) & MOUSE_SYS_EXTBUTTONS);
|
|
}
|
|
usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf,
|
|
sc->sc_mode.packetsize, 1);
|
|
}
|
|
|
|
static void
|
|
wsp_reset_buf(struct wsp_softc *sc)
|
|
{
|
|
/* reset read queue */
|
|
usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]);
|
|
}
|
|
|
|
static void
|
|
wsp_start_read(struct usb_fifo *fifo)
|
|
{
|
|
struct wsp_softc *sc = usb_fifo_softc(fifo);
|
|
int rate;
|
|
|
|
/* Check if we should override the default polling interval */
|
|
rate = sc->sc_pollrate;
|
|
/* Range check rate */
|
|
if (rate > 1000)
|
|
rate = 1000;
|
|
/* Check for set rate */
|
|
if ((rate > 0) && (sc->sc_xfer[WSP_INTR_DT] != NULL)) {
|
|
/* Stop current transfer, if any */
|
|
usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]);
|
|
/* Set new interval */
|
|
usbd_xfer_set_interval(sc->sc_xfer[WSP_INTR_DT], 1000 / rate);
|
|
/* Only set pollrate once */
|
|
sc->sc_pollrate = 0;
|
|
}
|
|
usbd_transfer_start(sc->sc_xfer[WSP_INTR_DT]);
|
|
}
|
|
|
|
static void
|
|
wsp_stop_read(struct usb_fifo *fifo)
|
|
{
|
|
struct wsp_softc *sc = usb_fifo_softc(fifo);
|
|
|
|
usbd_transfer_stop(sc->sc_xfer[WSP_INTR_DT]);
|
|
}
|
|
|
|
|
|
static int
|
|
wsp_open(struct usb_fifo *fifo, int fflags)
|
|
{
|
|
DPRINTFN(WSP_LLEVEL_INFO, "\n");
|
|
|
|
if (fflags & FREAD) {
|
|
struct wsp_softc *sc = usb_fifo_softc(fifo);
|
|
int rc;
|
|
|
|
if (sc->sc_state & WSP_ENABLED)
|
|
return (EBUSY);
|
|
|
|
if (usb_fifo_alloc_buffer(fifo,
|
|
WSP_FIFO_BUF_SIZE, WSP_FIFO_QUEUE_MAXLEN)) {
|
|
return (ENOMEM);
|
|
}
|
|
rc = wsp_enable(sc);
|
|
if (rc != 0) {
|
|
usb_fifo_free_buffer(fifo);
|
|
return (rc);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
wsp_close(struct usb_fifo *fifo, int fflags)
|
|
{
|
|
if (fflags & FREAD) {
|
|
struct wsp_softc *sc = usb_fifo_softc(fifo);
|
|
|
|
wsp_disable(sc);
|
|
usb_fifo_free_buffer(fifo);
|
|
}
|
|
}
|
|
|
|
int
|
|
wsp_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags)
|
|
{
|
|
struct wsp_softc *sc = usb_fifo_softc(fifo);
|
|
mousemode_t mode;
|
|
int error = 0;
|
|
|
|
mtx_lock(&sc->sc_mutex);
|
|
|
|
switch (cmd) {
|
|
case MOUSE_GETHWINFO:
|
|
*(mousehw_t *)addr = sc->sc_hw;
|
|
break;
|
|
case MOUSE_GETMODE:
|
|
*(mousemode_t *)addr = sc->sc_mode;
|
|
break;
|
|
case MOUSE_SETMODE:
|
|
mode = *(mousemode_t *)addr;
|
|
|
|
if (mode.level == -1)
|
|
/* Don't change the current setting */
|
|
;
|
|
else if ((mode.level < 0) || (mode.level > 1)) {
|
|
error = EINVAL;
|
|
goto done;
|
|
}
|
|
sc->sc_mode.level = mode.level;
|
|
sc->sc_pollrate = mode.rate;
|
|
sc->sc_hw.buttons = 3;
|
|
|
|
if (sc->sc_mode.level == 0) {
|
|
sc->sc_mode.protocol = MOUSE_PROTO_MSC;
|
|
sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
|
|
sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
|
|
sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
|
|
} else if (sc->sc_mode.level == 1) {
|
|
sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
|
|
sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
|
|
sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
|
|
sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
|
|
}
|
|
wsp_reset_buf(sc);
|
|
break;
|
|
case MOUSE_GETLEVEL:
|
|
*(int *)addr = sc->sc_mode.level;
|
|
break;
|
|
case MOUSE_SETLEVEL:
|
|
if (*(int *)addr < 0 || *(int *)addr > 1) {
|
|
error = EINVAL;
|
|
goto done;
|
|
}
|
|
sc->sc_mode.level = *(int *)addr;
|
|
sc->sc_hw.buttons = 3;
|
|
|
|
if (sc->sc_mode.level == 0) {
|
|
sc->sc_mode.protocol = MOUSE_PROTO_MSC;
|
|
sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
|
|
sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
|
|
sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
|
|
} else if (sc->sc_mode.level == 1) {
|
|
sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
|
|
sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
|
|
sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
|
|
sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
|
|
}
|
|
wsp_reset_buf(sc);
|
|
break;
|
|
case MOUSE_GETSTATUS:{
|
|
mousestatus_t *status = (mousestatus_t *)addr;
|
|
|
|
*status = sc->sc_status;
|
|
sc->sc_status.obutton = sc->sc_status.button;
|
|
sc->sc_status.button = 0;
|
|
sc->sc_status.dx = 0;
|
|
sc->sc_status.dy = 0;
|
|
sc->sc_status.dz = 0;
|
|
|
|
if (status->dx || status->dy || status->dz)
|
|
status->flags |= MOUSE_POSCHANGED;
|
|
if (status->button != status->obutton)
|
|
status->flags |= MOUSE_BUTTONSCHANGED;
|
|
break;
|
|
}
|
|
default:
|
|
error = ENOTTY;
|
|
}
|
|
|
|
done:
|
|
mtx_unlock(&sc->sc_mutex);
|
|
return (error);
|
|
}
|
|
|
|
static device_method_t wsp_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, wsp_probe),
|
|
DEVMETHOD(device_attach, wsp_attach),
|
|
DEVMETHOD(device_detach, wsp_detach),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t wsp_driver = {
|
|
.name = WSP_DRIVER_NAME,
|
|
.methods = wsp_methods,
|
|
.size = sizeof(struct wsp_softc)
|
|
};
|
|
|
|
static devclass_t wsp_devclass;
|
|
|
|
DRIVER_MODULE(wsp, uhub, wsp_driver, wsp_devclass, NULL, 0);
|
|
MODULE_DEPEND(wsp, usb, 1, 1, 1);
|
|
MODULE_VERSION(wsp, 1);
|