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/* $OpenBSD: hidms.c,v 1.8 2015/11/05 15:41:15 jcs Exp $ */
/* $NetBSD: ums.c,v 1.60 2003/03/11 16:44:00 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/usb_quirks.h>
#include <dev/usb/hid.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsmousevar.h>
#include <dev/usb/hidmsvar.h>
#ifdef HIDMS_DEBUG
#define DPRINTF(x) do { if (hidmsdebug) printf x; } while (0)
#define DPRINTFN(n,x) do { if (hidmsdebug>(n)) printf x; } while (0)
int hidmsdebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
#define HIDMS_BUT(i) ((i) == 1 || (i) == 2 ? 3 - (i) : i)
#define MOUSE_FLAGS_MASK (HIO_CONST | HIO_RELATIVE)
#define NOTMOUSE(f) (((f) & MOUSE_FLAGS_MASK) != HIO_RELATIVE)
int
hidms_setup(struct device *self, struct hidms *ms, uint32_t quirks,
int id, void *desc, int dlen)
{
struct hid_item h;
struct hid_data *d;
uint32_t flags;
int i, wheel, twheel;
ms->sc_device = self;
ms->sc_rawmode = 1;
if (quirks & UQ_MS_REVZ)
ms->sc_flags |= HIDMS_REVZ;
if (quirks & UQ_SPUR_BUT_UP)
ms->sc_flags |= HIDMS_SPUR_BUT_UP;
if (quirks & UQ_MS_LEADING_BYTE)
ms->sc_flags |= HIDMS_LEADINGBYTE;
if (!hid_locate(desc, dlen, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), id,
hid_input, &ms->sc_loc_x, &flags)) {
printf("\n%s: mouse has no X report\n", self->dv_xname);
return ENXIO;
}
switch(flags & MOUSE_FLAGS_MASK) {
case 0:
ms->sc_flags |= HIDMS_ABSX;
break;
case HIO_RELATIVE:
break;
default:
printf("\n%s: X report 0x%04x not supported\n",
self->dv_xname, flags);
return ENXIO;
}
if (!hid_locate(desc, dlen, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), id,
hid_input, &ms->sc_loc_y, &flags)) {
printf("\n%s: mouse has no Y report\n", self->dv_xname);
return ENXIO;
}
switch(flags & MOUSE_FLAGS_MASK) {
case 0:
ms->sc_flags |= HIDMS_ABSY;
break;
case HIO_RELATIVE:
break;
default:
printf("\n%s: Y report 0x%04x not supported\n",
self->dv_xname, flags);
return ENXIO;
}
/*
* Try to guess the Z activator: check WHEEL, TWHEEL, and Z,
* in that order.
*/
wheel = hid_locate(desc, dlen,
HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL), id,
hid_input, &ms->sc_loc_z, &flags);
if (wheel == 0)
twheel = hid_locate(desc, dlen,
HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_TWHEEL), id,
hid_input, &ms->sc_loc_z, &flags);
else
twheel = 0;
if (wheel || twheel) {
if (NOTMOUSE(flags)) {
DPRINTF(("\n%s: Wheel report 0x%04x not supported\n",
self->dv_xname, flags));
ms->sc_loc_z.size = 0; /* Bad Z coord, ignore it */
} else {
ms->sc_flags |= HIDMS_Z;
/* Wheels need the Z axis reversed. */
ms->sc_flags ^= HIDMS_REVZ;
}
/*
* We might have both a wheel and Z direction; in this case,
* report the Z direction on the W axis.
*
* Otherwise, check for a W direction as an AC Pan input used
* on some newer mice.
*/
if (hid_locate(desc, dlen,
HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z), id,
hid_input, &ms->sc_loc_w, &flags)) {
if (NOTMOUSE(flags)) {
DPRINTF(("\n%s: Z report 0x%04x not supported\n",
self->dv_xname, flags));
/* Bad Z coord, ignore it */
ms->sc_loc_w.size = 0;
}
else
ms->sc_flags |= HIDMS_W;
} else if (hid_locate(desc, dlen,
HID_USAGE2(HUP_CONSUMER, HUC_AC_PAN), id, hid_input,
&ms->sc_loc_w, &flags)) {
ms->sc_flags |= HIDMS_W;
}
} else if (hid_locate(desc, dlen,
HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z), id,
hid_input, &ms->sc_loc_z, &flags)) {
if (NOTMOUSE(flags)) {
DPRINTF(("\n%s: Z report 0x%04x not supported\n",
self->dv_xname, flags));
ms->sc_loc_z.size = 0; /* Bad Z coord, ignore it */
} else {
ms->sc_flags |= HIDMS_Z;
}
}
/*
* The Microsoft Wireless Intellimouse 2.0 reports its wheel
* using 0x0048 (I've called it HUG_TWHEEL) and seems to expect
* us to know that the byte after the wheel is the tilt axis.
* There are no other HID axis descriptors other than X, Y and
* TWHEEL, so we report TWHEEL on the W axis.
*/
if (twheel) {
ms->sc_loc_w = ms->sc_loc_z;
ms->sc_loc_w.pos = ms->sc_loc_w.pos + 8;
ms->sc_flags |= HIDMS_W | HIDMS_LEADINGBYTE;
/* Wheels need their axis reversed. */
ms->sc_flags ^= HIDMS_REVW;
}
/* figure out the number of buttons */
for (i = 1; i <= MAX_BUTTONS; i++)
if (!hid_locate(desc, dlen, HID_USAGE2(HUP_BUTTON, i), id,
hid_input, &ms->sc_loc_btn[i - 1], NULL))
break;
ms->sc_num_buttons = i - 1;
if (hid_locate(desc, dlen, HID_USAGE2(HUP_DIGITIZERS,
HUD_TIP_SWITCH), id, hid_input,
&ms->sc_loc_btn[ms->sc_num_buttons], NULL)){
ms->sc_flags |= HIDMS_TIP;
ms->sc_num_buttons++;
}
if (hid_locate(desc, dlen, HID_USAGE2(HUP_DIGITIZERS,
HUD_ERASER), id, hid_input,
&ms->sc_loc_btn[ms->sc_num_buttons], NULL)){
ms->sc_flags |= HIDMS_ERASER;
ms->sc_num_buttons++;
}
if (hid_locate(desc, dlen, HID_USAGE2(HUP_DIGITIZERS,
HUD_BARREL_SWITCH), id, hid_input,
&ms->sc_loc_btn[ms->sc_num_buttons], NULL)){
ms->sc_flags |= HIDMS_BARREL;
ms->sc_num_buttons++;
}
/*
* The Microsoft Wireless Notebook Optical Mouse seems to be in worse
* shape than the Wireless Intellimouse 2.0, as its X, Y, wheel, and
* all of its other button positions are all off. It also reports that
* it has two addional buttons and a tilt wheel.
*/
if (quirks & UQ_MS_BAD_CLASS) {
/* HIDMS_LEADINGBYTE cleared on purpose */
ms->sc_flags = HIDMS_Z | HIDMS_SPUR_BUT_UP;
ms->sc_num_buttons = 3;
/* XXX change sc_hdev isize to 5? */
/* 1st byte of descriptor report contains garbage */
ms->sc_loc_x.pos = 16;
ms->sc_loc_y.pos = 24;
ms->sc_loc_z.pos = 32;
ms->sc_loc_btn[0].pos = 8;
ms->sc_loc_btn[1].pos = 9;
ms->sc_loc_btn[2].pos = 10;
}
/* Parse descriptors to get touch panel bounds */
d = hid_start_parse(desc, dlen, hid_input);
while (hid_get_item(d, &h)) {
if (h.kind != hid_input ||
HID_GET_USAGE_PAGE(h.usage) != HUP_GENERIC_DESKTOP)
continue;
DPRINTF(("hidms: usage=0x%x range %d..%d\n",
h.usage, h.logical_minimum, h.logical_maximum));
switch (HID_GET_USAGE(h.usage)) {
case HUG_X:
if (ms->sc_flags & HIDMS_ABSX) {
ms->sc_tsscale.minx = h.logical_minimum;
ms->sc_tsscale.maxx = h.logical_maximum;
}
break;
case HUG_Y:
if (ms->sc_flags & HIDMS_ABSY) {
ms->sc_tsscale.miny = h.logical_minimum;
ms->sc_tsscale.maxy = h.logical_maximum;
}
break;
}
}
hid_end_parse(d);
return 0;
}
void
hidms_attach(struct hidms *ms, const struct wsmouse_accessops *ops)
{
struct wsmousedev_attach_args a;
#ifdef HIDMS_DEBUG
int i;
#endif
printf(": %d button%s",
ms->sc_num_buttons, ms->sc_num_buttons <= 1 ? "" : "s");
switch (ms->sc_flags & (HIDMS_Z | HIDMS_W)) {
case HIDMS_Z:
printf(", Z dir");
break;
case HIDMS_W:
printf(", W dir");
break;
case HIDMS_Z | HIDMS_W:
printf(", Z and W dir");
break;
}
if (ms->sc_flags & HIDMS_TIP)
printf(", tip");
if (ms->sc_flags & HIDMS_BARREL)
printf(", barrel");
if (ms->sc_flags & HIDMS_ERASER)
printf(", eraser");
printf("\n");
#ifdef HIDMS_DEBUG
DPRINTF(("hidms_attach: ms=%p\n", ms));
DPRINTF(("hidms_attach: X\t%d/%d\n",
ms->sc_loc_x.pos, ms->sc_loc_x.size));
DPRINTF(("hidms_attach: Y\t%d/%d\n",
ms->sc_loc_y.pos, ms->sc_loc_y.size));
if (ms->sc_flags & HIDMS_Z)
DPRINTF(("hidms_attach: Z\t%d/%d\n",
ms->sc_loc_z.pos, ms->sc_loc_z.size));
if (ms->sc_flags & HIDMS_W)
DPRINTF(("hidms_attach: W\t%d/%d\n",
ms->sc_loc_w.pos, ms->sc_loc_w.size));
for (i = 1; i <= ms->sc_num_buttons; i++) {
DPRINTF(("hidms_attach: B%d\t%d/%d\n",
i, ms->sc_loc_btn[i - 1].pos, ms->sc_loc_btn[i - 1].size));
}
#endif
a.accessops = ops;
a.accesscookie = ms->sc_device;
ms->sc_wsmousedev = config_found(ms->sc_device, &a, wsmousedevprint);
}
int
hidms_detach(struct hidms *ms, int flags)
{
int rv = 0;
DPRINTF(("hidms_detach: ms=%p flags=%d\n", ms, flags));
/* No need to do reference counting of hidms, wsmouse has all the goo */
if (ms->sc_wsmousedev != NULL)
rv = config_detach(ms->sc_wsmousedev, flags);
return (rv);
}
void
hidms_input(struct hidms *ms, uint8_t *data, u_int len)
{
int dx, dy, dz, dw;
u_int32_t buttons = 0;
int flags;
int i, s;
DPRINTFN(5,("hidms_input: len=%d\n", len));
/*
* The Microsoft Wireless Intellimouse 2.0 sends one extra leading
* byte of data compared to most USB mice. This byte frequently
* switches from 0x01 (usual state) to 0x02. It may be used to
* report non-standard events (such as battery life). However,
* at the same time, it generates a left click event on the
* button byte, where there shouldn't be any. We simply discard
* the packet in this case.
*
* This problem affects the MS Wireless Notebook Optical Mouse, too.
* However, the leading byte for this mouse is normally 0x11, and
* the phantom mouse click occurs when it's 0x14.
*/
if (ms->sc_flags & HIDMS_LEADINGBYTE) {
if (*data++ == 0x02)
return;
/* len--; */
} else if (ms->sc_flags & HIDMS_SPUR_BUT_UP) {
if (*data == 0x14 || *data == 0x15)
return;
}
flags = WSMOUSE_INPUT_DELTA;
if (ms->sc_flags & HIDMS_ABSX)
flags |= WSMOUSE_INPUT_ABSOLUTE_X;
if (ms->sc_flags & HIDMS_ABSY)
flags |= WSMOUSE_INPUT_ABSOLUTE_Y;
dx = hid_get_data(data, len, &ms->sc_loc_x);
dy = -hid_get_data(data, len, &ms->sc_loc_y);
dz = hid_get_data(data, len, &ms->sc_loc_z);
dw = hid_get_data(data, len, &ms->sc_loc_w);
if (ms->sc_flags & HIDMS_ABSY)
dy = -dy;
if (ms->sc_flags & HIDMS_REVZ)
dz = -dz;
if (ms->sc_flags & HIDMS_REVW)
dw = -dw;
if (ms->sc_tsscale.swapxy && !ms->sc_rawmode) {
int tmp = dx;
dx = dy;
dy = tmp;
}
if (!ms->sc_rawmode &&
(ms->sc_tsscale.maxx - ms->sc_tsscale.minx) != 0 &&
(ms->sc_tsscale.maxy - ms->sc_tsscale.miny) != 0) {
/* Scale down to the screen resolution. */
dx = ((dx - ms->sc_tsscale.minx) * ms->sc_tsscale.resx) /
(ms->sc_tsscale.maxx - ms->sc_tsscale.minx);
dy = ((dy - ms->sc_tsscale.miny) * ms->sc_tsscale.resy) /
(ms->sc_tsscale.maxy - ms->sc_tsscale.miny);
}
for (i = 0; i < ms->sc_num_buttons; i++)
if (hid_get_data(data, len, &ms->sc_loc_btn[i]))
buttons |= (1 << HIDMS_BUT(i));
if (dx != 0 || dy != 0 || dz != 0 || dw != 0 ||
buttons != ms->sc_buttons) {
DPRINTFN(10, ("hidms_input: x:%d y:%d z:%d w:%d buttons:0x%x\n",
dx, dy, dz, dw, buttons));
ms->sc_buttons = buttons;
if (ms->sc_wsmousedev != NULL) {
s = spltty();
wsmouse_input(ms->sc_wsmousedev, buttons,
dx, dy, dz, dw, flags);
splx(s);
}
}
}
int
hidms_enable(struct hidms *ms)
{
if (ms->sc_enabled)
return EBUSY;
ms->sc_enabled = 1;
ms->sc_buttons = 0;
return 0;
}
int
hidms_ioctl(struct hidms *ms, u_long cmd, caddr_t data, int flag,
struct proc *p)
{
struct wsmouse_calibcoords *wsmc = (struct wsmouse_calibcoords *)data;
switch (cmd) {
case WSMOUSEIO_SCALIBCOORDS:
if (!(wsmc->minx >= 0 && wsmc->maxx >= 0 &&
wsmc->miny >= 0 && wsmc->maxy >= 0 &&
wsmc->resx >= 0 && wsmc->resy >= 0 &&
wsmc->minx < 32768 && wsmc->maxx < 32768 &&
wsmc->miny < 32768 && wsmc->maxy < 32768 &&
(wsmc->maxx - wsmc->minx) != 0 &&
(wsmc->maxy - wsmc->miny) != 0 &&
wsmc->resx < 32768 && wsmc->resy < 32768 &&
wsmc->swapxy >= 0 && wsmc->swapxy <= 1 &&
wsmc->samplelen >= 0 && wsmc->samplelen <= 1))
return (EINVAL);
ms->sc_tsscale.minx = wsmc->minx;
ms->sc_tsscale.maxx = wsmc->maxx;
ms->sc_tsscale.miny = wsmc->miny;
ms->sc_tsscale.maxy = wsmc->maxy;
ms->sc_tsscale.swapxy = wsmc->swapxy;
ms->sc_tsscale.resx = wsmc->resx;
ms->sc_tsscale.resy = wsmc->resy;
ms->sc_rawmode = wsmc->samplelen;
return 0;
case WSMOUSEIO_GCALIBCOORDS:
wsmc->minx = ms->sc_tsscale.minx;
wsmc->maxx = ms->sc_tsscale.maxx;
wsmc->miny = ms->sc_tsscale.miny;
wsmc->maxy = ms->sc_tsscale.maxy;
wsmc->swapxy = ms->sc_tsscale.swapxy;
wsmc->resx = ms->sc_tsscale.resx;
wsmc->resy = ms->sc_tsscale.resy;
wsmc->samplelen = ms->sc_rawmode;
return 0;
case WSMOUSEIO_GTYPE:
if (ms->sc_flags & HIDMS_ABSX && ms->sc_flags & HIDMS_ABSY) {
*(u_int *)data = WSMOUSE_TYPE_TPANEL;
return 0;
}
/* FALLTHROUGH */
default:
return -1;
}
}
void
hidms_disable(struct hidms *ms)
{
ms->sc_enabled = 0;
}
|