/* $OpenBSD: gsckbd.c,v 1.7 2006/12/17 21:26:53 miod Exp $ */ /* * Copyright (c) 2003, Miodrag Vallat. * All rights reserved. * * 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 AUTHOR ``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 AUTHOR 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. * */ /* * Derived from /sys/dev/pckbc/pckbd.c under the following terms: * OpenBSD: pckbd.c,v 1.4 2002/03/14 01:27:00 millert Exp * NetBSD: pckbd.c,v 1.24 2000/06/05 22:20:57 sommerfeld Exp */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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. */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz and Don Ahn. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)pccons.c 5.11 (Berkeley) 5/21/91 */ /* * A pckbd-like driver for the GSC keyboards found on various HP workstations. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct gsckbd_internal { int t_isconsole; pckbc_tag_t t_kbctag; pckbc_slot_t t_kbcslot; int t_lastchar; int t_extended; int t_releasing; int t_extended1; struct gsckbd_softc *t_sc; /* back pointer */ }; struct gsckbd_softc { struct device sc_dev; struct gsckbd_internal *id; int sc_enabled; int sc_ledstate; struct device *sc_wskbddev; #ifdef WSDISPLAY_COMPAT_RAWKBD int rawkbd; #endif }; int gsckbd_is_console(pckbc_tag_t, pckbc_slot_t); int gsckbdprobe(struct device *, void *, void *); void gsckbdattach(struct device *, struct device *, void *); struct cfdriver gsckbd_cd = { NULL, "gsckbd", DV_DULL }; struct cfattach gsckbd_ca = { sizeof(struct gsckbd_softc), gsckbdprobe, gsckbdattach, }; int gsckbd_enable(void *, int); void gsckbd_set_leds(void *, int); int gsckbd_ioctl(void *, u_long, caddr_t, int, struct proc *); const struct wskbd_accessops gsckbd_accessops = { gsckbd_enable, gsckbd_set_leds, gsckbd_ioctl, }; void gsckbd_cngetc(void *, u_int *, int *); void gsckbd_cnpollc(void *, int); const struct wskbd_consops gsckbd_consops = { gsckbd_cngetc, gsckbd_cnpollc, NULL }; const struct wskbd_mapdata gsckbd_keymapdata = { gsckbd_keydesctab, /* XXX */ #ifdef GSCKBD_LAYOUT GSCKBD_LAYOUT, #else KB_US, #endif }; int gsckbd_init(struct gsckbd_internal *, pckbc_tag_t, pckbc_slot_t, int); void gsckbd_input(void *, int); static int gsckbd_decode(struct gsckbd_internal *, int, u_int *, int *); static int gsckbd_led_encode(int); static int gsckbd_led_decode(int); struct gsckbd_internal gsckbd_consdata; int gsckbd_is_console(tag, slot) pckbc_tag_t tag; pckbc_slot_t slot; { return (gsckbd_consdata.t_isconsole && (tag == gsckbd_consdata.t_kbctag) && (slot == gsckbd_consdata.t_kbcslot)); } /* * these are both EXTREMELY bad jokes */ int gsckbdprobe(parent, match, aux) struct device *parent; void *match; void *aux; { struct cfdata *cf = match; struct pckbc_attach_args *pa = aux; u_char cmd[1], resp[1]; int res; /* * XXX There are rumours that a keyboard can be connected * to the aux port as well. For me, this didn't work. * For further experiments, allow it if explicitly * wired in the config file. */ if ((pa->pa_slot != PCKBC_KBD_SLOT) && (cf->cf_loc[PCKBCCF_SLOT] == PCKBCCF_SLOT_DEFAULT)) return (0); /* Flush any garbage. */ pckbc_flush(pa->pa_tag, pa->pa_slot); /* Reset the keyboard. */ cmd[0] = KBC_RESET; res = pckbc_poll_cmd(pa->pa_tag, pa->pa_slot, cmd, 1, 1, resp, 1); if (res) { #ifdef DEBUG printf("gsckbdprobe: reset error %d\n", res); #endif /* * There is probably no keyboard connected. * Let the probe succeed if the keyboard is used * as console input - it can be connected later. */ return (gsckbd_is_console(pa->pa_tag, pa->pa_slot) ? 1 : 0); } if (resp[0] != KBR_RSTDONE) { printf("gsckbdprobe: reset response 0x%x\n", resp[0]); return (0); } /* * Some keyboards seem to leave a second ack byte after the reset. * This is kind of stupid, but we account for them anyway by just * flushing the buffer. */ pckbc_flush(pa->pa_tag, pa->pa_slot); return (2); } void gsckbdattach(parent, self, aux) struct device *parent, *self; void *aux; { struct gsckbd_softc *sc = (void *)self; struct pckbc_attach_args *pa = aux; int isconsole; struct wskbddev_attach_args a; u_char cmd[1]; printf("\n"); isconsole = gsckbd_is_console(pa->pa_tag, pa->pa_slot); if (isconsole) { sc->id = &gsckbd_consdata; /* * Some keyboards are not enabled after a reset, * so make sure it is enabled now. */ cmd[0] = KBC_ENABLE; (void) pckbc_poll_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, cmd, 1, 0, 0, 0); sc->sc_enabled = 1; } else { sc->id = malloc(sizeof(struct gsckbd_internal), M_DEVBUF, M_WAITOK); (void) gsckbd_init(sc->id, pa->pa_tag, pa->pa_slot, 0); /* no interrupts until enabled */ cmd[0] = KBC_DISABLE; (void) pckbc_poll_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, cmd, 1, 0, 0, 0); sc->sc_enabled = 0; } sc->id->t_sc = sc; pckbc_set_inputhandler(sc->id->t_kbctag, sc->id->t_kbcslot, gsckbd_input, sc, sc->sc_dev.dv_xname); a.console = isconsole; a.keymap = &gsckbd_keymapdata; a.accessops = &gsckbd_accessops; a.accesscookie = sc; /* * Attach the wskbd, saving a handle to it. * XXX XXX XXX */ sc->sc_wskbddev = config_found(self, &a, wskbddevprint); } int gsckbd_enable(v, on) void *v; int on; { struct gsckbd_softc *sc = v; u_char cmd[1]; int res; if (on) { if (sc->sc_enabled && !sc->id->t_isconsole) return (EBUSY); pckbc_slot_enable(sc->id->t_kbctag, sc->id->t_kbcslot, 1); cmd[0] = KBC_ENABLE; res = pckbc_poll_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, cmd, 1, 0, NULL, 0); if (res) { printf("gsckbd_enable: command error\n"); return (res); } sc->sc_enabled = 1; } else { if (sc->id->t_isconsole) return (EBUSY); cmd[0] = KBC_DISABLE; res = pckbc_enqueue_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, cmd, 1, 0, 1, 0); if (res) { printf("gsckbd_disable: command error\n"); return (res); } pckbc_slot_enable(sc->id->t_kbctag, sc->id->t_kbcslot, 0); sc->sc_enabled = 0; } return (0); } static int gsckbd_decode(id, datain, type, dataout) struct gsckbd_internal *id; int datain; u_int *type; int *dataout; { int key; if (datain == KBR_BREAK) { id->t_releasing = 1; /* next keycode is a release */ return 0; } if (datain == KBR_EXTENDED0) { id->t_extended = 0x80; return 0; } else if (datain == KBR_EXTENDED1) { id->t_extended1 = 2; return 0; } /* * Map extended keys to codes 128-254 * Note that we do not use (datain & 0x7f) because function key * F7 produces non-extended 0x83 code. Sucker. */ key = datain | id->t_extended; id->t_extended = 0; /* * process BREAK sequence (EXT1 14 77): * map to (unused) code 7F */ if (id->t_extended1 == 2 && datain == 0x14) { id->t_extended1 = 1; return 0; } else if (id->t_extended1 == 1 && datain == 0x77) { id->t_extended1 = 0; key = 0x7f; } else if (id->t_extended1 > 0) { id->t_extended1 = 0; } if (id->t_releasing) { id->t_releasing = 0; *type = WSCONS_EVENT_KEY_UP; *dataout = key; id->t_lastchar = 0; } else { /* Always ignore typematic keys */ if (key == id->t_lastchar) return 0; *dataout = id->t_lastchar = key; *type = WSCONS_EVENT_KEY_DOWN; } return 1; } int gsckbd_init(t, kbctag, kbcslot, console) struct gsckbd_internal *t; pckbc_tag_t kbctag; pckbc_slot_t kbcslot; int console; { bzero(t, sizeof(struct gsckbd_internal)); t->t_isconsole = console; t->t_kbctag = kbctag; t->t_kbcslot = kbcslot; return (0); } static int gsckbd_led_encode(led) int led; { int res; res = 0; if (led & WSKBD_LED_SCROLL) res |= 0x01; if (led & WSKBD_LED_NUM) res |= 0x02; if (led & WSKBD_LED_CAPS) res |= 0x04; return(res); } static int gsckbd_led_decode(led) int led; { int res; res = 0; if (led & 0x01) res |= WSKBD_LED_SCROLL; if (led & 0x02) res |= WSKBD_LED_NUM; if (led & 0x04) res |= WSKBD_LED_CAPS; return(res); } void gsckbd_set_leds(v, leds) void *v; int leds; { struct gsckbd_softc *sc = v; u_char cmd[2]; cmd[0] = KBC_MODEIND; cmd[1] = gsckbd_led_encode(leds); sc->sc_ledstate = cmd[1]; pckbc_enqueue_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, cmd, 2, 0, 0, 0); } /* * Got a console receive interrupt - * the console processor wants to give us a character. */ void gsckbd_input(vsc, data) void *vsc; int data; { struct gsckbd_softc *sc = vsc; int type, key; #ifdef WSDISPLAY_COMPAT_RAWKBD if (sc->rawkbd) { char d = data; wskbd_rawinput(sc->sc_wskbddev, &d, 1); return; } #endif if (gsckbd_decode(sc->id, data, &type, &key)) wskbd_input(sc->sc_wskbddev, type, key); } int gsckbd_ioctl(v, cmd, data, flag, p) void *v; u_long cmd; caddr_t data; int flag; struct proc *p; { struct gsckbd_softc *sc = v; switch (cmd) { case WSKBDIO_GTYPE: *(int *)data = WSKBD_TYPE_GSC; return 0; case WSKBDIO_SETLEDS: { char cmd[2]; int res; cmd[0] = KBC_MODEIND; cmd[1] = gsckbd_led_encode(*(int *)data); sc->sc_ledstate = cmd[1]; res = pckbc_enqueue_cmd(sc->id->t_kbctag, sc->id->t_kbcslot, cmd, 2, 0, 1, 0); return (res); } case WSKBDIO_GETLEDS: *(int *)data = gsckbd_led_decode(sc->sc_ledstate); return (0); #ifdef WSDISPLAY_COMPAT_RAWKBD case WSKBDIO_SETMODE: sc->rawkbd = (*(int *)data == WSKBD_RAW); return (0); #endif } return -1; } int gsckbd_cnattach(kbctag, kbcslot) pckbc_tag_t kbctag; int kbcslot; { char cmd[1]; int res; res = gsckbd_init(&gsckbd_consdata, kbctag, kbcslot, 1); #if 0 /* we allow the console to be attached if no keyboard is present */ if (res) return (res); #endif /* Just to be sure. */ cmd[0] = KBC_ENABLE; res = pckbc_poll_cmd(kbctag, kbcslot, cmd, 1, 0, 0, 0); #if 0 if (res) return (res); #endif wskbd_cnattach(&gsckbd_consops, &gsckbd_consdata, &gsckbd_keymapdata); return (0); } /* ARGSUSED */ void gsckbd_cngetc(v, type, data) void *v; u_int *type; int *data; { struct gsckbd_internal *t = v; int val; for (;;) { val = pckbc_poll_data(t->t_kbctag, t->t_kbcslot); if ((val != -1) && gsckbd_decode(t, val, type, data)) return; } } void gsckbd_cnpollc(v, on) void *v; int on; { struct gsckbd_internal *t = v; pckbc_set_poll(t->t_kbctag, t->t_kbcslot, on); }