const char *
ukbd_parse_desc(struct ukbd_softc *sc)
{
struct hid_data *d;
struct hid_item h;
int size;
void *desc;
int imod;
uhidev_get_report_desc(sc->sc_hdev.sc_parent, &desc, &size);
imod = 0;
sc->sc_nkeycode = 0;
d = hid_start_parse(desc, size, hid_input);
while (hid_get_item(d, &h)) {
/*printf("ukbd: id=%d kind=%d usage=0x%x flags=0x%x pos=%d size=%d cnt=%d\n",
h.report_ID, h.kind, h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count);*/
if (h.kind != hid_input || (h.flags & HIO_CONST) ||
HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD ||
h.report_ID != sc->sc_hdev.sc_report_id)
continue;
DPRINTF(("ukbd: imod=%d usage=0x%x flags=0x%x pos=%d size=%d "
"cnt=%d\n", imod,
h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count));
if (h.flags & HIO_VARIABLE) {
if (h.loc.size != 1)
return ("bad modifier size");
/* Single item */
if (imod < MAXMOD) {
sc->sc_modloc[imod] = h.loc;
sc->sc_mods[imod].mask = 1 << imod;
sc->sc_mods[imod].key = HID_GET_USAGE(h.usage);
imod++;
} else
return ("too many modifier keys");
} else {
/* Array */
if (h.loc.size != 8)
return ("key code size != 8");
if (h.loc.count > MAXKEYCODE)
return ("too many key codes");
if (h.loc.pos % 8 != 0)
return ("key codes not on byte boundary");
if (sc->sc_nkeycode != 0)
return ("multiple key code arrays\n");
sc->sc_keycodeloc = h.loc;
sc->sc_nkeycode = h.loc.count;
}
}
sc->sc_nmod = imod;
hid_end_parse(d);
hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK),
sc->sc_hdev.sc_report_id, hid_output, &sc->sc_numloc, NULL);
hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK),
sc->sc_hdev.sc_report_id, hid_output, &sc->sc_capsloc, NULL);
hid_locate(desc, size, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK),
sc->sc_hdev.sc_report_id, hid_output, &sc->sc_scroloc, NULL);
return (NULL);
}
static const char *
btkbd_parse_desc(struct btkbd_softc *sc, int id, const void *desc, int dlen)
{
struct hid_data *d;
struct hid_item h;
int imod;
imod = 0;
sc->sc_nkeycode = 0;
d = hid_start_parse(desc, dlen, hid_input);
while (hid_get_item(d, &h)) {
if (h.kind != hid_input || (h.flags & HIO_CONST) ||
HID_GET_USAGE_PAGE(h.usage) != HUP_KEYBOARD ||
h.report_ID != id)
continue;
if (h.flags & HIO_VARIABLE) {
if (h.loc.size != 1)
return ("bad modifier size");
/* Single item */
if (imod < MAXMOD) {
sc->sc_modloc[imod] = h.loc;
sc->sc_mods[imod].mask = 1 << imod;
sc->sc_mods[imod].key = HID_GET_USAGE(h.usage);
imod++;
} else
return ("too many modifier keys");
} else {
/* Array */
if (h.loc.size != 8)
return ("key code size != 8");
if (h.loc.count > MAXKEYCODE)
return ("too many key codes");
if (h.loc.pos % 8 != 0)
return ("key codes not on byte boundary");
if (sc->sc_nkeycode != 0)
return ("multiple key code arrays\n");
sc->sc_keycodeloc = h.loc;
sc->sc_nkeycode = h.loc.count;
}
}
sc->sc_nmod = imod;
hid_end_parse(d);
hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_NUM_LOCK),
id, hid_output, &sc->sc_numloc, NULL);
hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_CAPS_LOCK),
id, hid_output, &sc->sc_capsloc, NULL);
hid_locate(desc, dlen, HID_USAGE2(HUP_LEDS, HUD_LED_SCROLL_LOCK),
id, hid_output, &sc->sc_scroloc, NULL);
return (NULL);
}
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;
ms->sc_flags = quirks;
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 (ms->sc_flags & HIDMS_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;
}
Static void
uts_attach(device_t parent, device_t self, void *aux)
{
struct uts_softc *sc = device_private(self);
struct uhidev_attach_arg *uha = aux;
struct wsmousedev_attach_args a;
int size;
void *desc;
uint32_t flags;
struct hid_data * d;
struct hid_item item;
aprint_naive("\n");
sc->sc_hdev.sc_dev = self;
sc->sc_hdev.sc_intr = uts_intr;
sc->sc_hdev.sc_parent = uha->parent;
sc->sc_hdev.sc_report_id = uha->reportid;
uhidev_get_report_desc(uha->parent, &desc, &size);
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
/* requires HID usage Generic_Desktop:X */
if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X),
uha->reportid, hid_input, &sc->sc_loc_x, &flags)) {
aprint_error_dev(sc->sc_hdev.sc_dev,
"touchscreen has no X report\n");
return;
}
switch (flags & TSCREEN_FLAGS_MASK) {
case 0:
sc->flags |= UTS_ABS;
break;
case HIO_RELATIVE:
break;
default:
aprint_error_dev(sc->sc_hdev.sc_dev,
"X report 0x%04x not supported\n", flags);
return;
}
/* requires HID usage Generic_Desktop:Y */
if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y),
uha->reportid, hid_input, &sc->sc_loc_y, &flags)) {
aprint_error_dev(sc->sc_hdev.sc_dev,
"touchscreen has no Y report\n");
return;
}
switch (flags & TSCREEN_FLAGS_MASK) {
case 0:
sc->flags |= UTS_ABS;
break;
case HIO_RELATIVE:
break;
default:
aprint_error_dev(sc->sc_hdev.sc_dev,
"Y report 0x%04x not supported\n", flags);
return;
}
/* requires HID usage Digitizer:Tip_Switch */
if (!hid_locate(desc, size, HID_USAGE2(HUP_DIGITIZERS, HUD_TIP_SWITCH),
uha->reportid, hid_input, &sc->sc_loc_btn, 0)) {
aprint_error_dev(sc->sc_hdev.sc_dev,
"touchscreen has no tip switch report\n");
return;
}
/* requires HID usage Digitizer:In_Range */
if (!hid_locate(desc, size, HID_USAGE2(HUP_DIGITIZERS, HUD_IN_RANGE),
uha->reportid, hid_input, &sc->sc_loc_z, &flags)) {
aprint_error_dev(sc->sc_hdev.sc_dev,
"touchscreen has no range report\n");
return;
}
/* multi-touch support would need HUD_CONTACTID and HUD_CONTACTMAX */
#ifdef UTS_DEBUG
DPRINTF(("uts_attach: sc=%p\n", sc));
DPRINTF(("uts_attach: X\t%d/%d\n",
sc->sc_loc_x.pos, sc->sc_loc_x.size));
DPRINTF(("uts_attach: Y\t%d/%d\n",
sc->sc_loc_y.pos, sc->sc_loc_y.size));
DPRINTF(("uts_attach: Z\t%d/%d\n",
sc->sc_loc_z.pos, sc->sc_loc_z.size));
#endif
a.accessops = &uts_accessops;
a.accesscookie = sc;
sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
/* calibrate the touchscreen */
memset(&sc->sc_calibcoords, 0, sizeof(sc->sc_calibcoords));
sc->sc_calibcoords.maxx = 4095;
sc->sc_calibcoords.maxy = 4095;
sc->sc_calibcoords.samplelen = WSMOUSE_CALIBCOORDS_RESET;
d = hid_start_parse(desc, size, hid_input);
while (hid_get_item(d, &item)) {
if (item.kind != hid_input
|| HID_GET_USAGE_PAGE(item.usage) != HUP_GENERIC_DESKTOP
|| item.report_ID != sc->sc_hdev.sc_report_id)
continue;
if (HID_GET_USAGE(item.usage) == HUG_X) {
sc->sc_calibcoords.minx = item.logical_minimum;
sc->sc_calibcoords.maxx = item.logical_maximum;
}
if (HID_GET_USAGE(item.usage) == HUG_Y) {
sc->sc_calibcoords.miny = item.logical_minimum;
sc->sc_calibcoords.maxy = item.logical_maximum;
}
}
hid_end_parse(d);
tpcalib_init(&sc->sc_tpcalib);
tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS,
(void *)&sc->sc_calibcoords, 0, 0);
return;
}
