Edit
IABSD.fr/src/sys/dev/hid/hidkbd.c
miod
- sys/dev/hid/hidkbd.c
-
/* $OpenBSD: hidkbd.c,v 1.15 2024/10/21 19:05:31 miod Exp $ */ /* $NetBSD: ukbd.c,v 1.85 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/timeout.h> #include <sys/kernel.h> #include <sys/device.h> #include <sys/ioctl.h> #include <sys/malloc.h> #include <dev/wscons/wsconsio.h> #include <dev/wscons/wskbdvar.h> #include <dev/wscons/wsksymdef.h> #include <dev/wscons/wsksymvar.h> #include <dev/hid/hid.h> #include <dev/hid/hidkbdsc.h> #ifdef HIDKBD_DEBUG #define DPRINTF(x) do { if (hidkbddebug) printf x; } while (0) #define DPRINTFN(n,x) do { if (hidkbddebug>(n)) printf x; } while (0) int hidkbddebug = 0; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif #define PRESS 0x000 #define RELEASE 0x100 #define CODEMASK 0x0ff #if 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/archive/Scancode.mspx */ const u_int8_t hidkbd_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, 0xb7, 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, 0xde, 0x59, /* 60 - 67 */ 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, /* 68 - 6f */ 0x6c, 0x6d, 0x6e, 0x76, 0x97, NN, 0x93, 0x95, /* 70 - 77 */ 0x91, 0x92, 0x94, 0x9a, 0x96, 0x98, 0x99, 0xa0, /* 78 - 7f */ 0xb0, 0xae, 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(WSDISPLAY_COMPAT_RAWKBD) */ static const struct hidkbd_translation apple_tb_trans[] = { { 30, 58 }, /* 1 -> F1 */ { 31, 59 }, /* 2 -> F2 */ { 32, 60 }, /* 3 -> F3 */ { 33, 61 }, /* 4 -> F4 */ { 34, 62 }, /* 5 -> F5 */ { 35, 63 }, /* 6 -> F6 */ { 36, 64 }, /* 7 -> F7 */ { 37, 65 }, /* 8 -> F8 */ { 38, 66 }, /* 9 -> F9 */ { 39, 67 }, /* 0 -> F10 */ { 45, 68 }, /* - -> F11 */ { 46, 69 } /* = -> F12 */ }; static const struct hidkbd_translation apple_fn_trans[] = { { 40, 73 }, /* return -> insert */ { 42, 76 }, /* backspace -> delete */ { 58, 233 }, /* F1 -> screen brightness down */ { 59, 232 }, /* F2 -> screen brightness up */ #ifdef notyet { 60, 0 }, /* F3 */ { 61, 0 }, /* F4 */ { 62, 0 }, /* F5 -> keyboard backlight down */ { 63, 0 }, /* F6 -> keyboard backlight up */ { 64, 0 }, /* F7 -> audio back */ { 65, 0 }, /* F8 -> audio pause/play */ { 66, 0 }, /* F9 -> audio next */ #endif #ifdef __macppc__ { 60, 127 }, /* F3 -> audio mute */ { 61, 129 }, /* F4 -> audio lower */ { 62, 128 }, /* F5 -> audio raise */ { 63, 83 }, /* F6 -> num lock */ { 65, 234 }, /* F8 -> backlight toggle */ { 66, 236 }, /* F9 -> backlight lower */ { 67, 235 }, /* F10 -> backlight raise */ { 39, 84 }, /* keypad divide */ { 19, 85 }, /* keypad multiply */ { 51, 86 }, /* keypad subtract */ { 56, 87 }, /* keypad add */ { 13, 89 }, /* keypad 1 */ { 14, 90 }, /* keypad 2 */ { 15, 91 }, /* keypad 3 */ { 24, 92 }, /* keypad 4 */ { 12, 93 }, /* keypad 5 */ { 18, 94 }, /* keypad 6 */ { 36, 95 }, /* keypad 7 */ { 37, 96 }, /* keypad 8 */ { 38, 97 }, /* keypad 9 */ { 16, 98 }, /* keypad 0 */ { 55, 99 }, /* keypad decimal */ { 45, 103 }, /* keypad equal */ #else { 63, 102 }, /* F6 -> sleep */ { 67, 127 }, /* F10 -> audio mute */ { 68, 129 }, /* F11 -> audio lower */ { 69, 128 }, /* F12 -> audio raise */ #endif { 79, 77 }, /* right -> end */ { 80, 74 }, /* left -> home */ { 81, 78 }, /* down -> page down */ { 82, 75 } /* up -> page up */ }; static const struct hidkbd_translation apple_mba_trans[] = { { 40, 73 }, /* return -> insert */ { 42, 76 }, /* backspace -> delete */ #ifdef notyet { 58, 0 }, /* F1 -> screen brightness down */ { 59, 0 }, /* F2 -> screen brightness up */ { 60, 0 }, /* F3 */ { 61, 0 }, /* F4 */ { 62, 0 }, /* F5 */ { 63, 0 }, /* F6 -> audio back */ { 64, 0 }, /* F7 -> audio pause/play */ { 65, 0 }, /* F8 -> audio next */ #endif { 66, 127 }, /* F9 -> audio mute */ { 67, 129 }, /* F10 -> audio lower */ { 68, 128 }, /* F11 -> audio raise */ #ifdef notyet { 69, 0 }, /* F12 -> eject */ #endif { 79, 77 }, /* right -> end */ { 80, 74 }, /* left -> home */ { 81, 78 }, /* down -> page down */ { 82, 75 } /* up -> page up */ }; static const struct hidkbd_translation apple_iso_trans[] = { { 53, 100 }, /* less -> grave */ { 100, 53 } }; #define KEY_ERROR 0x01 #ifdef HIDKBD_DEBUG #define HIDKBDTRACESIZE 64 struct hidkbdtraceinfo { int unit; struct timeval tv; struct hidkbd_data ud; }; struct hidkbdtraceinfo hidkbdtracedata[HIDKBDTRACESIZE]; int hidkbdtraceindex = 0; int hidkbdtrace = 0; void hidkbdtracedump(void); void hidkbdtracedump(void) { int i; for (i = 0; i < HIDKBDTRACESIZE; i++) { struct hidkbdtraceinfo *p = &hidkbdtracedata[(i+hidkbdtraceindex)%HIDKBDTRACESIZE]; printf("%lld.%06ld: key0=0x%02x key1=0x%02x " "key2=0x%02x key3=0x%02x\n", (long long)p->tv.tv_sec, p->tv.tv_usec, p->ud.keycode[0], p->ud.keycode[1], p->ud.keycode[2], p->ud.keycode[3]); } } #endif int hidkbd_is_console; const char *hidkbd_parse_desc(struct hidkbd *, int, void *, int); void (*hidkbd_bell_fn)(void *, u_int, u_int, u_int, int); void *hidkbd_bell_fn_arg; void hidkbd_decode(struct hidkbd *, struct hidkbd_data *); void hidkbd_delayed_decode(void *addr); extern const struct wscons_keydesc ukbd_keydesctab[]; struct wskbd_mapdata ukbd_keymapdata = { ukbd_keydesctab }; int hidkbd_attach(struct device *self, struct hidkbd *kbd, int console, uint32_t qflags, int id, void *desc, int dlen) { const char *parserr; kbd->sc_var = NULL; parserr = hidkbd_parse_desc(kbd, id, desc, dlen); if (parserr != NULL) { printf(": %s\n", parserr); return ENXIO; } #ifdef DIAGNOSTIC printf(": %d variable keys, %d key codes", kbd->sc_nvar, kbd->sc_nkeycode); #endif kbd->sc_device = self; kbd->sc_debounce = (qflags & HIDKBD_SPUR_BUT_UP) != 0; /* * Remember if we're the console keyboard. * * XXX This always picks the first (USB) keyboard to attach, * but what else can we really do? */ if (console) { kbd->sc_console_keyboard = hidkbd_is_console; /* Don't let any other keyboard have it. */ hidkbd_is_console = 0; } timeout_set(&kbd->sc_delay, hidkbd_delayed_decode, kbd); return 0; } void hidkbd_attach_wskbd(struct hidkbd *kbd, kbd_t layout, const struct wskbd_accessops *accessops) { struct wskbddev_attach_args a; ukbd_keymapdata.layout = layout; a.console = kbd->sc_console_keyboard; a.keymap = &ukbd_keymapdata; a.accessops = accessops; a.accesscookie = kbd->sc_device; kbd->sc_wskbddev = config_found(kbd->sc_device, &a, wskbddevprint); } int hidkbd_detach(struct hidkbd *kbd, int flags) { int rv = 0; DPRINTF(("hidkbd_detach: sc=%p flags=%d\n", kbd->sc_device, flags)); if (kbd->sc_console_keyboard) { /* * Disconnect our consops and set hidkbd_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", kbd->sc_device->dv_xname); hidkbd_is_console = 1; } /* No need to do reference counting of hidkbd, wskbd has all the goo */ if (kbd->sc_wskbddev != NULL) rv = config_detach(kbd->sc_wskbddev, flags); if (kbd->sc_var != NULL) free(kbd->sc_var, M_DEVBUF, 0); return (rv); } uint8_t hidkbd_translate(const struct hidkbd_translation *table, size_t tsize, uint8_t keycode) { for (; tsize != 0; table++, tsize--) if (table->original == keycode) return table->translation; return 0; } void hidkbd_apple_translate(void *vsc, uint8_t *ibuf, u_int ilen, const struct hidkbd_translation* trans, u_int tlen) { struct hidkbd *kbd = vsc; uint8_t *pos, *spos, *epos, xlat; spos = ibuf + kbd->sc_keycodeloc.pos / 8; epos = spos + kbd->sc_nkeycode; for (pos = spos; pos != epos; pos++) { xlat = hidkbd_translate(trans, tlen, *pos); if (xlat != 0) *pos = xlat; } } void hidkbd_apple_munge(void *vsc, uint8_t *ibuf, u_int ilen) { struct hidkbd *kbd = vsc; if (!hid_get_data(ibuf, ilen, &kbd->sc_fn)) return; hidkbd_apple_translate(vsc, ibuf, ilen, apple_fn_trans, nitems(apple_fn_trans)); } void hidkbd_apple_tb_munge(void *vsc, uint8_t *ibuf, u_int ilen) { struct hidkbd *kbd = vsc; if (!hid_get_data(ibuf, ilen, &kbd->sc_fn)) return; hidkbd_apple_munge(vsc, ibuf, ilen); hidkbd_apple_translate(vsc, ibuf, ilen, apple_tb_trans, nitems(apple_tb_trans)); } void hidkbd_apple_iso_munge(void *vsc, uint8_t *ibuf, u_int ilen) { hidkbd_apple_translate(vsc, ibuf, ilen, apple_iso_trans, nitems(apple_iso_trans)); hidkbd_apple_munge(vsc, ibuf, ilen); } void hidkbd_apple_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen) { struct hidkbd *kbd = vsc; if (!hid_get_data(ibuf, ilen, &kbd->sc_fn)) return; hidkbd_apple_translate(vsc, ibuf, ilen, apple_mba_trans, nitems(apple_mba_trans)); } void hidkbd_apple_iso_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen) { hidkbd_apple_translate(vsc, ibuf, ilen, apple_iso_trans, nitems(apple_iso_trans)); hidkbd_apple_mba_munge(vsc, ibuf, ilen); } void hidkbd_input(struct hidkbd *kbd, uint8_t *data, u_int len) { struct hidkbd_data *ud = &kbd->sc_ndata; int i; if (kbd->sc_munge != NULL) (*kbd->sc_munge)(kbd, (uint8_t *)data, len); #ifdef HIDKBD_DEBUG if (hidkbddebug > 5) { printf("hidkbd_input: data"); for (i = 0; i < len; i++) printf(" 0x%02x", data[i]); printf("\n"); } #endif /* extract variable keys */ for (i = 0; i < kbd->sc_nvar; i++) ud->var[i] = (u_int8_t)hid_get_data(data, len, &kbd->sc_var[i].loc); /* extract keycodes */ if (kbd->sc_keycodeloc.pos / 8 + kbd->sc_nkeycode <= len) memcpy(ud->keycode, data + kbd->sc_keycodeloc.pos / 8, kbd->sc_nkeycode); else memset(ud->keycode, 0, kbd->sc_nkeycode); if (kbd->sc_debounce && !kbd->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. */ kbd->sc_data = *ud; timeout_add_msec(&kbd->sc_delay, 20); } else { hidkbd_decode(kbd, ud); } } void hidkbd_delayed_decode(void *addr) { struct hidkbd *kbd = addr; hidkbd_decode(kbd, &kbd->sc_data); } void hidkbd_decode(struct hidkbd *kbd, struct hidkbd_data *ud) { u_int16_t ibuf[MAXKEYS]; /* chars events */ int s; int nkeys, i, j; int key; #define ADDKEY(c) ibuf[nkeys++] = (c) #ifdef HIDKBD_DEBUG /* * Keep a trace of the last events. Using printf changes the * timing, so this can be useful sometimes. */ if (hidkbdtrace) { struct hidkbdtraceinfo *p = &hidkbdtracedata[hidkbdtraceindex]; p->unit = kbd->sc_device->dv_unit; microtime(&p->tv); p->ud = *ud; if (++hidkbdtraceindex >= HIDKBDTRACESIZE) hidkbdtraceindex = 0; } if (hidkbddebug > 5) { struct timeval tv; microtime(&tv); DPRINTF((" at %lld.%06ld key0=0x%02x key1=0x%02x " "key2=0x%02x key3=0x%02x\n", (long long)tv.tv_sec, tv.tv_usec, ud->keycode[0], ud->keycode[1], ud->keycode[2], ud->keycode[3])); } #endif if (ud->keycode[0] == KEY_ERROR) { DPRINTF(("hidkbd_input: KEY_ERROR\n")); return; /* ignore */ } nkeys = 0; for (i = 0; i < kbd->sc_nvar; i++) if ((kbd->sc_odata.var[i] & kbd->sc_var[i].mask) != (ud->var[i] & kbd->sc_var[i].mask)) { ADDKEY(kbd->sc_var[i].key | ((ud->var[i] & kbd->sc_var[i].mask) ? PRESS : RELEASE)); } if (memcmp(ud->keycode, kbd->sc_odata.keycode, kbd->sc_nkeycode) != 0) { /* Check for released keys. */ for (i = 0; i < kbd->sc_nkeycode; i++) { key = kbd->sc_odata.keycode[i]; if (key == 0) continue; for (j = 0; j < kbd->sc_nkeycode; j++) if (key == ud->keycode[j]) goto rfound; DPRINTFN(3,("hidkbd_decode: relse key=0x%02x\n", key)); ADDKEY(key | RELEASE); rfound: ; } /* Check for pressed keys. */ for (i = 0; i < kbd->sc_nkeycode; i++) { key = ud->keycode[i]; if (key == 0) continue; for (j = 0; j < kbd->sc_nkeycode; j++) if (key == kbd->sc_odata.keycode[j]) goto pfound; DPRINTFN(2,("hidkbd_decode: press key=0x%02x\n", key)); ADDKEY(key | PRESS); pfound: ; } } kbd->sc_odata = *ud; if (nkeys == 0) return; if (kbd->sc_polling) { DPRINTFN(1,("hidkbd_decode: pollchar = 0x%03x\n", ibuf[0])); memcpy(kbd->sc_pollchars, ibuf, nkeys * sizeof(u_int16_t)); kbd->sc_npollchar = nkeys; return; } if (kbd->sc_wskbddev == NULL) return; #ifdef WSDISPLAY_COMPAT_RAWKBD if (kbd->sc_rawkbd) { u_char cbuf[MAXKEYS * 2]; int c; for (i = j = 0; i < nkeys; i++) { key = ibuf[i]; c = hidkbd_trtab[key & CODEMASK]; if (c == NN) continue; if (c & 0x80) cbuf[j++] = 0xe0; cbuf[j] = c & 0x7f; if (key & RELEASE) cbuf[j] |= 0x80; DPRINTFN(1,("hidkbd_decode: raw = %s0x%02x\n", c & 0x80 ? "0xe0 " : "", cbuf[j])); j++; } s = spltty(); wskbd_rawinput(kbd->sc_wskbddev, cbuf, j); /* * Pass audio, brightness and sleep keys to wskbd_input anyway. */ for (i = 0; i < nkeys; i++) { key = ibuf[i]; switch (key & CODEMASK) { case 102: case 127: case 128: case 129: case 232: case 233: case 234: case 235: case 236: wskbd_input(kbd->sc_wskbddev, key & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, key & CODEMASK); break; } } splx(s); return; } #endif s = spltty(); for (i = 0; i < nkeys; i++) { key = ibuf[i]; wskbd_input(kbd->sc_wskbddev, key&RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN, key&CODEMASK); } splx(s); #undef ADDKEY } int hidkbd_enable(struct hidkbd *kbd, int on) { if (kbd->sc_enabled == on) return EBUSY; kbd->sc_enabled = on; return 0; } int hidkbd_set_leds(struct hidkbd *kbd, int leds, uint8_t *report) { if (kbd->sc_leds == leds) return 0; kbd->sc_leds = leds; /* * This is not totally correct, since we did not check the * report size from the descriptor but for keyboards it should * just be a single byte with the relevant bits set. */ *report = 0; if ((leds & WSKBD_LED_SCROLL) && kbd->sc_scroloc.size == 1) *report |= 1 << kbd->sc_scroloc.pos; if ((leds & WSKBD_LED_NUM) && kbd->sc_numloc.size == 1) *report |= 1 << kbd->sc_numloc.pos; if ((leds & WSKBD_LED_CAPS) && kbd->sc_capsloc.size == 1) *report |= 1 << kbd->sc_capsloc.pos; if ((leds & WSKBD_LED_COMPOSE) && kbd->sc_compose.size == 1) *report |= 1 << kbd->sc_compose.pos; return 1; } int hidkbd_ioctl(struct hidkbd *kbd, u_long cmd, caddr_t data, int flag, struct proc *p) { switch (cmd) { case WSKBDIO_GETLEDS: *(int *)data = kbd->sc_leds; return (0); case WSKBDIO_COMPLEXBELL: #define d ((struct wskbd_bell_data *)data) hidkbd_bell(d->pitch, d->period, d->volume, 0); #undef d return (0); #ifdef WSDISPLAY_COMPAT_RAWKBD case WSKBDIO_SETMODE: DPRINTF(("hidkbd_ioctl: set raw = %d\n", *(int *)data)); kbd->sc_rawkbd = *(int *)data == WSKBD_RAW; return (0); #endif } return (-1); } void hidkbd_cngetc(struct hidkbd *kbd, u_int *type, int *data) { int c; c = kbd->sc_pollchars[0]; kbd->sc_npollchar--; memmove(kbd->sc_pollchars, kbd->sc_pollchars+1, kbd->sc_npollchar * sizeof(u_int16_t)); *type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN; *data = c & CODEMASK; } void hidkbd_bell(u_int pitch, u_int period, u_int volume, int poll) { if (hidkbd_bell_fn != NULL) (*hidkbd_bell_fn)(hidkbd_bell_fn_arg, pitch, period, volume, poll); } void hidkbd_hookup_bell(void (*fn)(void *, u_int, u_int, u_int, int), void *arg) { if (hidkbd_bell_fn == NULL) { hidkbd_bell_fn = fn; hidkbd_bell_fn_arg = arg; } } const char * hidkbd_parse_desc(struct hidkbd *kbd, int id, void *desc, int dlen) { struct hid_data *d; struct hid_item h; unsigned int i, ivar = 0; kbd->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) ivar++; } hid_end_parse(d); if (ivar > MAXVARS) { DPRINTF((": too many variable keys\n")); ivar = MAXVARS; } kbd->sc_nvar = ivar; kbd->sc_var = (struct hidkbd_variable *)mallocarray(ivar, sizeof(struct hidkbd_variable), M_DEVBUF, M_NOWAIT); if (!kbd->sc_var) return NULL; i = 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; DPRINTF(("hidkbd: usage=0x%x flags=0x%x pos=%d size=%d cnt=%d", h.usage, h.flags, h.loc.pos, h.loc.size, h.loc.count)); if (h.flags & HIO_VARIABLE) { /* variable reports should be one bit each */ if (h.loc.size != 1) { DPRINTF((": bad variable size\n")); continue; } /* variable report */ if (i < MAXVARS) { kbd->sc_var[i].loc = h.loc; kbd->sc_var[i].mask = 1 << (i % 8); kbd->sc_var[i].key = HID_GET_USAGE(h.usage); i++; } } else { /* keys array should be in bytes, on a byte boundary */ if (h.loc.size != 8) { DPRINTF((": key code size != 8\n")); continue; } if (h.loc.pos % 8 != 0) { DPRINTF((": array not on byte boundary")); continue; } if (kbd->sc_nkeycode != 0) { DPRINTF((": ignoring multiple arrays\n")); continue; } kbd->sc_keycodeloc = h.loc; if (h.loc.count > MAXKEYCODE) { DPRINTF((": ignoring extra key codes")); kbd->sc_nkeycode = MAXKEYCODE; } else kbd->sc_nkeycode = h.loc.count; } DPRINTF(("\n")); } hid_end_parse(d); /* don't attach if no keys... */ if (kbd->sc_nkeycode == 0 && ivar == 0) return "no usable key codes array"; hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_NUM_LOCK), id, hid_output, &kbd->sc_numloc, NULL); hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_CAPS_LOCK), id, hid_output, &kbd->sc_capsloc, NULL); hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_SCROLL_LOCK), id, hid_output, &kbd->sc_scroloc, NULL); hid_locate(desc, dlen, HID_USAGE2(HUP_LED, HUL_COMPOSE), id, hid_output, &kbd->sc_compose, NULL); return (NULL); }