NetBSD-5.0.2/sys/dev/usb/ukbd.c
/* $NetBSD: ukbd.c,v 1.101 2008/09/09 17:40:40 jmcneill 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ukbd.c,v 1.101 2008/09/09 17:40:40 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/file.h>
#include <sys/select.h>
#include <sys/proc.h>
#include <sys/vnode.h>
#include <sys/poll.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/usb_quirks.h>
#include <dev/usb/uhidev.h>
#include <dev/usb/hid.h>
#include <dev/usb/ukbdvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wskbdvar.h>
#include <dev/wscons/wsksymdef.h>
#include <dev/wscons/wsksymvar.h>
#include "opt_ukbd_layout.h"
#include "opt_wsdisplay_compat.h"
#include "opt_ddb.h"
#ifdef UKBD_DEBUG
#define DPRINTF(x) if (ukbddebug) logprintf x
#define DPRINTFN(n,x) if (ukbddebug>(n)) logprintf x
int ukbddebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
#define MAXKEYCODE 6
#define MAXMOD 8 /* max 32 */
struct ukbd_data {
u_int32_t modifiers;
u_int8_t keycode[MAXKEYCODE];
};
#define PRESS 0x000
#define RELEASE 0x100
#define CODEMASK 0x0ff
#if defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD)
#define NN 0 /* no translation */
/*
* Translate USB keycodes to US keyboard XT scancodes.
* Scancodes >= 0x80 represent EXTENDED keycodes.
*
* See http://www.microsoft.com/whdc/device/input/Scancode.mspx
*/
Static const u_int8_t ukbd_trtab[256] = {
NN, NN, NN, NN, 0x1e, 0x30, 0x2e, 0x20, /* 00 - 07 */
0x12, 0x21, 0x22, 0x23, 0x17, 0x24, 0x25, 0x26, /* 08 - 0f */
0x32, 0x31, 0x18, 0x19, 0x10, 0x13, 0x1f, 0x14, /* 10 - 17 */
0x16, 0x2f, 0x11, 0x2d, 0x15, 0x2c, 0x02, 0x03, /* 18 - 1f */
0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, /* 20 - 27 */
0x1c, 0x01, 0x0e, 0x0f, 0x39, 0x0c, 0x0d, 0x1a, /* 28 - 2f */
0x1b, 0x2b, 0x2b, 0x27, 0x28, 0x29, 0x33, 0x34, /* 30 - 37 */
0x35, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* 38 - 3f */
0x41, 0x42, 0x43, 0x44, 0x57, 0x58, 0xaa, 0x46, /* 40 - 47 */
0x7f, 0xd2, 0xc7, 0xc9, 0xd3, 0xcf, 0xd1, 0xcd, /* 48 - 4f */
0xcb, 0xd0, 0xc8, 0x45, 0xb5, 0x37, 0x4a, 0x4e, /* 50 - 57 */
0x9c, 0x4f, 0x50, 0x51, 0x4b, 0x4c, 0x4d, 0x47, /* 58 - 5f */
0x48, 0x49, 0x52, 0x53, 0x56, 0xdd, NN, 0x59, /* 60 - 67 */
0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, NN, /* 68 - 6f */
NN, NN, NN, NN, NN, NN, NN, NN, /* 70 - 77 */
NN, NN, NN, NN, NN, NN, NN, NN, /* 78 - 7f */
NN, NN, NN, NN, NN, 0x7e, NN, 0x73, /* 80 - 87 */
0x70, 0x7d, 0x79, 0x7b, 0x5c, NN, NN, NN, /* 88 - 8f */
NN, NN, 0x78, 0x77, 0x76, NN, NN, NN, /* 90 - 97 */
NN, NN, NN, NN, NN, NN, NN, NN, /* 98 - 9f */
NN, NN, NN, NN, NN, NN, NN, NN, /* a0 - a7 */
NN, NN, NN, NN, NN, NN, NN, NN, /* a8 - af */
NN, NN, NN, NN, NN, NN, NN, NN, /* b0 - b7 */
NN, NN, NN, NN, NN, NN, NN, NN, /* b8 - bf */
NN, NN, NN, NN, NN, NN, NN, NN, /* c0 - c7 */
NN, NN, NN, NN, NN, NN, NN, NN, /* c8 - cf */
NN, NN, NN, NN, NN, NN, NN, NN, /* d0 - d7 */
NN, NN, NN, NN, NN, NN, NN, NN, /* d8 - df */
0x1d, 0x2a, 0x38, 0xdb, 0x9d, 0x36, 0xb8, 0xdc, /* e0 - e7 */
NN, NN, NN, NN, NN, NN, NN, NN, /* e8 - ef */
NN, NN, NN, NN, NN, NN, NN, NN, /* f0 - f7 */
NN, NN, NN, NN, NN, NN, NN, NN, /* f8 - ff */
};
#endif /* defined(__NetBSD__) && defined(WSDISPLAY_COMPAT_RAWKBD) */
#define KEY_ERROR 0x01
#define MAXKEYS (MAXMOD+2*MAXKEYCODE)
struct ukbd_softc {
struct uhidev sc_hdev;
struct ukbd_data sc_ndata;
struct ukbd_data sc_odata;
struct hid_location sc_modloc[MAXMOD];
u_int sc_nmod;
struct {
u_int32_t mask;
u_int8_t key;
} sc_mods[MAXMOD];
struct hid_location sc_keycodeloc;
u_int sc_nkeycode;
char sc_enabled;
int sc_console_keyboard; /* we are the console keyboard */
char sc_debounce; /* for quirk handling */
usb_callout_t sc_delay; /* for quirk handling */
struct ukbd_data sc_data; /* for quirk handling */
struct hid_location sc_numloc;
struct hid_location sc_capsloc;
struct hid_location sc_scroloc;
int sc_leds;
#if defined(__NetBSD__)
device_t sc_wskbddev;
#if defined(WSDISPLAY_COMPAT_RAWKBD)
int sc_rawkbd;
#if defined(UKBD_REPEAT)
usb_callout_t sc_rawrepeat_ch;
#define REP_DELAY1 400
#define REP_DELAYN 100
int sc_nrep;
char sc_rep[MAXKEYS];
#endif /* defined(UKBD_REPEAT) */
#endif /* defined(WSDISPLAY_COMPAT_RAWKBD) */
int sc_spl;
int sc_polling;
int sc_npollchar;
u_int16_t sc_pollchars[MAXKEYS];
#endif /* defined(__NetBSD__) */
u_char sc_dying;
};
#ifdef UKBD_DEBUG
#define UKBDTRACESIZE 64
struct ukbdtraceinfo {
int unit;
struct timeval tv;
struct ukbd_data ud;
};
struct ukbdtraceinfo ukbdtracedata[UKBDTRACESIZE];
int ukbdtraceindex = 0;
int ukbdtrace = 0;
void ukbdtracedump(void);
void
ukbdtracedump(void)
{
int i;
for (i = 0; i < UKBDTRACESIZE; i++) {
struct ukbdtraceinfo *p =
&ukbdtracedata[(i+ukbdtraceindex)%UKBDTRACESIZE];
printf("%lu.%06lu: mod=0x%02x key0=0x%02x key1=0x%02x "
"key2=0x%02x key3=0x%02x\n",
p->tv.tv_sec, p->tv.tv_usec,
p->ud.modifiers, p->ud.keycode[0], p->ud.keycode[1],
p->ud.keycode[2], p->ud.keycode[3]);
}
}
#endif
#define UKBDUNIT(dev) (minor(dev))
#define UKBD_CHUNK 128 /* chunk size for read */
#define UKBD_BSIZE 1020 /* buffer size */
Static int ukbd_is_console;
Static void ukbd_cngetc(void *, u_int *, int *);
Static void ukbd_cnpollc(void *, int);
#if defined(__NetBSD__)
const struct wskbd_consops ukbd_consops = {
ukbd_cngetc,
ukbd_cnpollc,
NULL, /* bell */
};
#endif
Static const char *ukbd_parse_desc(struct ukbd_softc *sc);
Static void ukbd_intr(struct uhidev *addr, void *ibuf, u_int len);
Static void ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud);
Static void ukbd_delayed_decode(void *addr);
Static int ukbd_enable(void *, int);
Static void ukbd_set_leds(void *, int);
#if defined(__NetBSD__)
Static int ukbd_ioctl(void *, u_long, void *, int, struct lwp *);
#if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT)
Static void ukbd_rawrepeat(void *v);
#endif
const struct wskbd_accessops ukbd_accessops = {
ukbd_enable,
ukbd_set_leds,
ukbd_ioctl,
};
extern const struct wscons_keydesc ukbd_keydesctab[];
const struct wskbd_mapdata ukbd_keymapdata = {
ukbd_keydesctab,
#if defined(UKBD_LAYOUT)
UKBD_LAYOUT,
#elif defined(PCKBD_LAYOUT)
PCKBD_LAYOUT,
#else
KB_US,
#endif
};
#endif
static int ukbd_match(device_t, cfdata_t, void *);
static void ukbd_attach(device_t, device_t, void *);
static int ukbd_detach(device_t, int);
static int ukbd_activate(device_t, enum devact);
static void ukbd_childdet(device_t, device_t);
extern struct cfdriver ukbd_cd;
CFATTACH_DECL2_NEW(ukbd, sizeof(struct ukbd_softc), ukbd_match, ukbd_attach,
ukbd_detach, ukbd_activate, NULL, ukbd_childdet);
int
ukbd_match(device_t parent, cfdata_t match, void *aux)
{
struct uhidev_attach_arg *uha = aux;
int size;
void *desc;
uhidev_get_report_desc(uha->parent, &desc, &size);
if (!hid_is_collection(desc, size, uha->reportid,
HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_KEYBOARD)))
return (UMATCH_NONE);
return (UMATCH_IFACECLASS);
}
void
ukbd_attach(device_t parent, device_t self, void *aux)
{
struct ukbd_softc *sc = device_private(self);
struct uhidev_attach_arg *uha = aux;
u_int32_t qflags;
const char *parseerr;
#if defined(__NetBSD__)
struct wskbddev_attach_args a;
#else
int i;
#endif
sc->sc_hdev.sc_dev = self;
sc->sc_hdev.sc_intr = ukbd_intr;
sc->sc_hdev.sc_parent = uha->parent;
sc->sc_hdev.sc_report_id = uha->reportid;
if (!pmf_device_register(self, NULL, NULL)) {
aprint_normal("\n");
aprint_error_dev(self, "couldn't establish power handler\n");
}
parseerr = ukbd_parse_desc(sc);
if (parseerr != NULL) {
aprint_normal("\n");
aprint_error_dev(self, "attach failed, %s\n", parseerr);
USB_ATTACH_ERROR_RETURN;
}
#ifdef DIAGNOSTIC
aprint_normal(": %d modifier keys, %d key codes", sc->sc_nmod,
sc->sc_nkeycode);
#endif
aprint_normal("\n");
qflags = usbd_get_quirks(uha->parent->sc_udev)->uq_flags;
sc->sc_debounce = (qflags & UQ_SPUR_BUT_UP) != 0;
/*
* Remember if we're the console keyboard.
*
* XXX This always picks the first keyboard on the
* first USB bus, but what else can we really do?
*/
if ((sc->sc_console_keyboard = ukbd_is_console) != 0) {
/* Don't let any other keyboard have it. */
ukbd_is_console = 0;
}
if (sc->sc_console_keyboard) {
DPRINTF(("ukbd_attach: console keyboard sc=%p\n", sc));
wskbd_cnattach(&ukbd_consops, sc, &ukbd_keymapdata);
ukbd_enable(sc, 1);
}
a.console = sc->sc_console_keyboard;
a.keymap = &ukbd_keymapdata;
a.accessops = &ukbd_accessops;
a.accesscookie = sc;
#ifdef UKBD_REPEAT
usb_callout_init(sc->sc_rawrepeat_ch);
#endif
usb_callout_init(sc->sc_delay);
/* Flash the leds; no real purpose, just shows we're alive. */
ukbd_set_leds(sc, WSKBD_LED_SCROLL | WSKBD_LED_NUM | WSKBD_LED_CAPS);
usbd_delay_ms(uha->parent->sc_udev, 400);
ukbd_set_leds(sc, 0);
sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
USB_ATTACH_SUCCESS_RETURN;
}
int
ukbd_enable(void *v, int on)
{
struct ukbd_softc *sc = v;
if (on && sc->sc_dying)
return (EIO);
/* Should only be called to change state */
if (sc->sc_enabled == on) {
#ifdef DIAGNOSTIC
printf("ukbd_enable: %s: bad call on=%d\n",
USBDEVNAME(sc->sc_hdev.sc_dev), on);
#endif
return (EBUSY);
}
DPRINTF(("ukbd_enable: sc=%p on=%d\n", sc, on));
sc->sc_enabled = on;
if (on) {
return (uhidev_open(&sc->sc_hdev));
} else {
uhidev_close(&sc->sc_hdev);
return (0);
}
}
static void
ukbd_childdet(device_t self, device_t child)
{
struct ukbd_softc *sc = device_private(self);
KASSERT(sc->sc_wskbddev == child);
sc->sc_wskbddev = NULL;
}
int
ukbd_activate(device_t self, enum devact act)
{
struct ukbd_softc *sc = device_private(self);
int rv = 0;
switch (act) {
case DVACT_ACTIVATE:
return (EOPNOTSUPP);
case DVACT_DEACTIVATE:
if (sc->sc_wskbddev != NULL)
rv = config_deactivate(sc->sc_wskbddev);
sc->sc_dying = 1;
break;
}
return (rv);
}
int
ukbd_detach(device_t self, int flags)
{
struct ukbd_softc *sc = device_private(self);
int rv = 0;
DPRINTF(("ukbd_detach: sc=%p flags=%d\n", sc, flags));
pmf_device_deregister(self);
if (sc->sc_console_keyboard) {
#if 0
/*
* XXX Should probably disconnect our consops,
* XXX and either notify some other keyboard that
* XXX it can now be the console, or if there aren't
* XXX any more USB keyboards, set ukbd_is_console
* XXX back to 1 so that the next USB keyboard attached
* XXX to the system will get it.
*/
panic("ukbd_detach: console keyboard");
#else
/*
* Disconnect our consops and set ukbd_is_console
* back to 1 so that the next USB keyboard attached
* to the system will get it.
* XXX Should notify some other keyboard that it can be
* XXX console, if there are any other keyboards.
*/
printf("%s: was console keyboard\n",
USBDEVNAME(sc->sc_hdev.sc_dev));
wskbd_cndetach();
ukbd_is_console = 1;
#endif
}
/* No need to do reference counting of ukbd, wskbd has all the goo. */
if (sc->sc_wskbddev != NULL)
rv = config_detach(sc->sc_wskbddev, flags);
/* The console keyboard does not get a disable call, so check pipe. */
if (sc->sc_hdev.sc_state & UHIDEV_OPEN)
uhidev_close(&sc->sc_hdev);
return (rv);
}
void
ukbd_intr(struct uhidev *addr, void *ibuf, u_int len)
{
struct ukbd_softc *sc = (struct ukbd_softc *)addr;
struct ukbd_data *ud = &sc->sc_ndata;
int i;
#ifdef UKBD_DEBUG
if (ukbddebug > 5) {
printf("ukbd_intr: data");
for (i = 0; i < len; i++)
printf(" 0x%02x", ((u_char *)ibuf)[i]);
printf("\n");
}
#endif
ud->modifiers = 0;
for (i = 0; i < sc->sc_nmod; i++)
if (hid_get_data(ibuf, &sc->sc_modloc[i]))
ud->modifiers |= sc->sc_mods[i].mask;
memcpy(ud->keycode, (char *)ibuf + sc->sc_keycodeloc.pos / 8,
sc->sc_nkeycode);
if (sc->sc_debounce && !sc->sc_polling) {
/*
* Some keyboards have a peculiar quirk. They sometimes
* generate a key up followed by a key down for the same
* key after about 10 ms.
* We avoid this bug by holding off decoding for 20 ms.
*/
sc->sc_data = *ud;
usb_callout(sc->sc_delay, hz / 50, ukbd_delayed_decode, sc);
#ifdef DDB
} else if (sc->sc_console_keyboard && !sc->sc_polling) {
/*
* For the console keyboard we can't deliver CTL-ALT-ESC
* from the interrupt routine. Doing so would start
* polling from inside the interrupt routine and that
* loses bigtime.
*/
sc->sc_data = *ud;
usb_callout(sc->sc_delay, 1, ukbd_delayed_decode, sc);
#endif
} else {
ukbd_decode(sc, ud);
}
}
void
ukbd_delayed_decode(void *addr)
{
struct ukbd_softc *sc = addr;
ukbd_decode(sc, &sc->sc_data);
}
void
ukbd_decode(struct ukbd_softc *sc, struct ukbd_data *ud)
{
int mod, omod;
u_int16_t ibuf[MAXKEYS]; /* chars events */
int s;
int nkeys, i, j;
int key;
#define ADDKEY(c) ibuf[nkeys++] = (c)
#ifdef UKBD_DEBUG
/*
* Keep a trace of the last events. Using printf changes the
* timing, so this can be useful sometimes.
*/
if (ukbdtrace) {
struct ukbdtraceinfo *p = &ukbdtracedata[ukbdtraceindex];
p->unit = device_unit(sc->sc_hdev.sc_dev);
microtime(&p->tv);
p->ud = *ud;
if (++ukbdtraceindex >= UKBDTRACESIZE)
ukbdtraceindex = 0;
}
if (ukbddebug > 5) {
struct timeval tv;
microtime(&tv);
DPRINTF((" at %lu.%06lu mod=0x%02x key0=0x%02x key1=0x%02x "
"key2=0x%02x key3=0x%02x\n",
tv.tv_sec, tv.tv_usec,
ud->modifiers, ud->keycode[0], ud->keycode[1],
ud->keycode[2], ud->keycode[3]));
}
#endif
if (ud->keycode[0] == KEY_ERROR) {
DPRINTF(("ukbd_intr: KEY_ERROR\n"));
return; /* ignore */
}
nkeys = 0;
mod = ud->modifiers;
omod = sc->sc_odata.modifiers;
if (mod != omod)
for (i = 0; i < sc->sc_nmod; i++)
if (( mod & sc->sc_mods[i].mask) !=
(omod & sc->sc_mods[i].mask))
ADDKEY(sc->sc_mods[i].key |
(mod & sc->sc_mods[i].mask
? PRESS : RELEASE));
if (memcmp(ud->keycode, sc->sc_odata.keycode, sc->sc_nkeycode) != 0) {
/* Check for released keys. */
for (i = 0; i < sc->sc_nkeycode; i++) {
key = sc->sc_odata.keycode[i];
if (key == 0)
continue;
for (j = 0; j < sc->sc_nkeycode; j++)
if (key == ud->keycode[j])
goto rfound;
DPRINTFN(3,("ukbd_intr: relse key=0x%02x\n", key));
ADDKEY(key | RELEASE);
rfound:
;
}
/* Check for pressed keys. */
for (i = 0; i < sc->sc_nkeycode; i++) {
key = ud->keycode[i];
if (key == 0)
continue;
for (j = 0; j < sc->sc_nkeycode; j++)
if (key == sc->sc_odata.keycode[j])
goto pfound;
DPRINTFN(2,("ukbd_intr: press key=0x%02x\n", key));
ADDKEY(key | PRESS);
pfound:
;
}
}
sc->sc_odata = *ud;
if (nkeys == 0)
return;
if (sc->sc_polling) {
DPRINTFN(1,("ukbd_intr: pollchar = 0x%03x\n", ibuf[0]));
memcpy(sc->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t));
sc->sc_npollchar = nkeys;
return;
}
#ifdef WSDISPLAY_COMPAT_RAWKBD
if (sc->sc_rawkbd) {
u_char cbuf[MAXKEYS * 2];
int c;
int npress;
for (npress = i = j = 0; i < nkeys; i++) {
key = ibuf[i];
c = ukbd_trtab[key & CODEMASK];
if (c == NN)
continue;
if (c & 0x80)
cbuf[j++] = 0xe0;
cbuf[j] = c & 0x7f;
if (key & RELEASE)
cbuf[j] |= 0x80;
#if defined(UKBD_REPEAT)
else {
/* remember pressed keys for autorepeat */
if (c & 0x80)
sc->sc_rep[npress++] = 0xe0;
sc->sc_rep[npress++] = c & 0x7f;
}
#endif
DPRINTFN(1,("ukbd_intr: raw = %s0x%02x\n",
c & 0x80 ? "0xe0 " : "",
cbuf[j]));
j++;
}
s = spltty();
wskbd_rawinput(sc->sc_wskbddev, cbuf, j);
splx(s);
#ifdef UKBD_REPEAT
usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc);
if (npress != 0) {
sc->sc_nrep = npress;
usb_callout(sc->sc_rawrepeat_ch,
hz * REP_DELAY1 / 1000, ukbd_rawrepeat, sc);
}
#endif
return;
}
#endif
s = spltty();
for (i = 0; i < nkeys; i++) {
key = ibuf[i];
wskbd_input(sc->sc_wskbddev,
key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN,
key&CODEMASK);
}
splx(s);
}
void
ukbd_set_leds(void *v, int leds)
{
struct ukbd_softc *sc = v;
u_int8_t res;
DPRINTF(("ukbd_set_leds: sc=%p leds=%d, sc_leds=%d\n",
sc, leds, sc->sc_leds));
if (sc->sc_dying)
return;
if (sc->sc_leds == leds)
return;
sc->sc_leds = leds;
res = 0;
/* XXX not really right */
if ((leds & WSKBD_LED_SCROLL) && sc->sc_scroloc.size == 1)
res |= 1 << sc->sc_scroloc.pos;
if ((leds & WSKBD_LED_NUM) && sc->sc_numloc.size == 1)
res |= 1 << sc->sc_numloc.pos;
if ((leds & WSKBD_LED_CAPS) && sc->sc_capsloc.size == 1)
res |= 1 << sc->sc_capsloc.pos;
uhidev_set_report_async(&sc->sc_hdev, UHID_OUTPUT_REPORT, &res, 1);
}
#if defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT)
void
ukbd_rawrepeat(void *v)
{
struct ukbd_softc *sc = v;
int s;
s = spltty();
wskbd_rawinput(sc->sc_wskbddev, sc->sc_rep, sc->sc_nrep);
splx(s);
usb_callout(sc->sc_rawrepeat_ch, hz * REP_DELAYN / 1000,
ukbd_rawrepeat, sc);
}
#endif /* defined(WSDISPLAY_COMPAT_RAWKBD) && defined(UKBD_REPEAT) */
int
ukbd_ioctl(void *v, u_long cmd, void *data, int flag,
struct lwp *l)
{
struct ukbd_softc *sc = v;
switch (cmd) {
case WSKBDIO_GTYPE:
*(int *)data = WSKBD_TYPE_USB;
return (0);
case WSKBDIO_SETLEDS:
ukbd_set_leds(v, *(int *)data);
return (0);
case WSKBDIO_GETLEDS:
*(int *)data = sc->sc_leds;
return (0);
#if defined(WSDISPLAY_COMPAT_RAWKBD)
case WSKBDIO_SETMODE:
DPRINTF(("ukbd_ioctl: set raw = %d\n", *(int *)data));
sc->sc_rawkbd = *(int *)data == WSKBD_RAW;
#if defined(UKBD_REPEAT)
usb_uncallout(sc->sc_rawrepeat_ch, ukbd_rawrepeat, sc);
#endif
return (0);
#endif
}
return (EPASSTHROUGH);
}
/*
* This is a hack to work around some broken ports that don't call
* cnpollc() before cngetc().
*/
static int pollenter, warned;
/* Console interface. */
void
ukbd_cngetc(void *v, u_int *type, int *data)
{
struct ukbd_softc *sc = v;
int c;
int broken;
if (pollenter == 0) {
if (!warned) {
printf("\n"
"This port is broken, it does not call cnpollc() before calling cngetc().\n"
"This should be fixed, but it will work anyway (for now).\n");
warned = 1;
}
broken = 1;
ukbd_cnpollc(v, 1);
} else
broken = 0;
DPRINTFN(0,("ukbd_cngetc: enter\n"));
sc->sc_polling = 1;
while(sc->sc_npollchar <= 0)
usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface);
sc->sc_polling = 0;
c = sc->sc_pollchars[0];
sc->sc_npollchar--;
memcpy(sc->sc_pollchars, sc->sc_pollchars+1,
sc->sc_npollchar * sizeof(u_int16_t));
*type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
*data = c & CODEMASK;
DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c));
if (broken)
ukbd_cnpollc(v, 0);
}
void
ukbd_cnpollc(void *v, int on)
{
struct ukbd_softc *sc = v;
usbd_device_handle dev;
DPRINTFN(2,("ukbd_cnpollc: sc=%p on=%d\n", v, on));
usbd_interface2device_handle(sc->sc_hdev.sc_parent->sc_iface, &dev);
if (on) {
sc->sc_spl = splusb();
pollenter++;
} else {
splx(sc->sc_spl);
pollenter--;
}
usbd_set_polling(dev, on);
}
int
ukbd_cnattach(void)
{
/*
* XXX USB requires too many parts of the kernel to be running
* XXX in order to work, so we can't do much for the console
* XXX keyboard until autconfiguration has run its course.
*/
ukbd_is_console = 1;
return (0);
}
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);
}