1*36bb413eSad /* $NetBSD: kd.c,v 1.43 2007/02/16 13:55:42 ad Exp $ */ 201e2e698Seeh 301e2e698Seeh /*- 401e2e698Seeh * Copyright (c) 1996 The NetBSD Foundation, Inc. 501e2e698Seeh * All rights reserved. 601e2e698Seeh * 701e2e698Seeh * This code is derived from software contributed to The NetBSD Foundation 801e2e698Seeh * by Gordon W. Ross. 901e2e698Seeh * 1001e2e698Seeh * Redistribution and use in source and binary forms, with or without 1101e2e698Seeh * modification, are permitted provided that the following conditions 1201e2e698Seeh * are met: 1301e2e698Seeh * 1. Redistributions of source code must retain the above copyright 1401e2e698Seeh * notice, this list of conditions and the following disclaimer. 1501e2e698Seeh * 2. Redistributions in binary form must reproduce the above copyright 1601e2e698Seeh * notice, this list of conditions and the following disclaimer in the 1701e2e698Seeh * documentation and/or other materials provided with the distribution. 1801e2e698Seeh * 3. All advertising materials mentioning features or use of this software 1901e2e698Seeh * must display the following acknowledgement: 2001e2e698Seeh * This product includes software developed by the NetBSD 2101e2e698Seeh * Foundation, Inc. and its contributors. 2201e2e698Seeh * 4. Neither the name of The NetBSD Foundation nor the names of its 2301e2e698Seeh * contributors may be used to endorse or promote products derived 2401e2e698Seeh * from this software without specific prior written permission. 2501e2e698Seeh * 2601e2e698Seeh * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2701e2e698Seeh * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2801e2e698Seeh * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2901e2e698Seeh * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 3001e2e698Seeh * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3101e2e698Seeh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3201e2e698Seeh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3301e2e698Seeh * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3401e2e698Seeh * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3501e2e698Seeh * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3601e2e698Seeh * POSSIBILITY OF SUCH DAMAGE. 3701e2e698Seeh */ 3801e2e698Seeh 3901e2e698Seeh /* 4001e2e698Seeh * Keyboard/Display device. 4101e2e698Seeh * 4201e2e698Seeh * This driver exists simply to provide a tty device that 4301e2e698Seeh * the indirect console driver can point to. 4401e2e698Seeh * The kbd driver sends its input here. 4501e2e698Seeh * Output goes to the screen via PROM printf. 4601e2e698Seeh */ 4701e2e698Seeh 48ed517291Slukem #include <sys/cdefs.h> 49*36bb413eSad __KERNEL_RCSID(0, "$NetBSD: kd.c,v 1.43 2007/02/16 13:55:42 ad Exp $"); 50ed517291Slukem 5101e2e698Seeh #include <sys/param.h> 5201e2e698Seeh #include <sys/proc.h> 5301e2e698Seeh #include <sys/systm.h> 5401e2e698Seeh #include <sys/ioctl.h> 5501e2e698Seeh #include <sys/tty.h> 5601e2e698Seeh #include <sys/file.h> 5701e2e698Seeh #include <sys/conf.h> 5801e2e698Seeh #include <sys/device.h> 598ccb6c93Selad #include <sys/kauth.h> 6001e2e698Seeh 6101e2e698Seeh #include <machine/openfirm.h> 6201e2e698Seeh #include <machine/eeprom.h> 6301e2e698Seeh #include <machine/psl.h> 6401e2e698Seeh #include <machine/cpu.h> 6501e2e698Seeh #include <machine/kbd.h> 6601e2e698Seeh #include <machine/autoconf.h> 6701e2e698Seeh 6801e2e698Seeh #include <dev/cons.h> 69f5839cdaSpk #include <dev/sun/event_var.h> 7001e2e698Seeh #include <dev/sun/kbd_xlate.h> 71f5839cdaSpk #include <dev/sun/kbdvar.h> 7201e2e698Seeh #include <sparc64/dev/cons.h> 7301e2e698Seeh 7477a6b82bSgehenna dev_type_open(kdopen); 7577a6b82bSgehenna dev_type_close(kdclose); 7677a6b82bSgehenna dev_type_read(kdread); 7777a6b82bSgehenna dev_type_write(kdwrite); 7877a6b82bSgehenna dev_type_ioctl(kdioctl); 7977a6b82bSgehenna dev_type_tty(kdtty); 8077a6b82bSgehenna dev_type_poll(kdpoll); 8177a6b82bSgehenna 8277a6b82bSgehenna const struct cdevsw kd_cdevsw = { 8377a6b82bSgehenna kdopen, kdclose, kdread, kdwrite, kdioctl, 84e0cc03a0Sjdolecek nostop, kdtty, kdpoll, nommap, ttykqfilter, D_TTY 8577a6b82bSgehenna }; 8677a6b82bSgehenna 8701e2e698Seeh struct tty *fbconstty = 0; /* tty structure for frame buffer console */ 8801e2e698Seeh 8901e2e698Seeh #define PUT_WSIZE 64 9001e2e698Seeh 9101e2e698Seeh struct kd_softc { 9201e2e698Seeh struct device kd_dev; /* required first: base device */ 9301e2e698Seeh struct tty *kd_tty; 9401e2e698Seeh int rows, cols; 95f5839cdaSpk 96f5839cdaSpk /* Console input hook */ 97f5839cdaSpk struct cons_channel *kd_in; 9801e2e698Seeh }; 9901e2e698Seeh 10001e2e698Seeh /* 10101e2e698Seeh * There is no point in pretending there might be 10201e2e698Seeh * more than one keyboard/display device. 10301e2e698Seeh */ 10401e2e698Seeh static struct kd_softc kd_softc; 10501e2e698Seeh static int kd_is_console; 10601e2e698Seeh 10701e2e698Seeh static int kdparam(struct tty *, struct termios *); 10801e2e698Seeh static void kdstart(struct tty *); 109d50f0c62Scdi static void kd_init(struct kd_softc *); 110d50f0c62Scdi static void kd_cons_input(int); 111d50f0c62Scdi static int kdcngetc(dev_t); 11201e2e698Seeh 11301e2e698Seeh int cons_ocount; /* output byte count */ 11401e2e698Seeh 11501e2e698Seeh /* 11601e2e698Seeh * This is called by kbd_attach() 11701e2e698Seeh * XXX - Make this a proper child of kbd? 11801e2e698Seeh */ 11901e2e698Seeh void 120d50f0c62Scdi kd_init(struct kd_softc *kd) 121f5839cdaSpk { 12201e2e698Seeh struct tty *tp; 1238512c4b6Spk char prop[6+1]; 12492ad9c40Seeh 12501e2e698Seeh kd = &kd_softc; /* XXX */ 12601e2e698Seeh 12701e2e698Seeh tp = ttymalloc(); 12801e2e698Seeh tp->t_oproc = kdstart; 12901e2e698Seeh tp->t_param = kdparam; 13077a6b82bSgehenna tp->t_dev = makedev(cdevsw_lookup_major(&kd_cdevsw), 0); 13101e2e698Seeh 13201e2e698Seeh tty_attach(tp); 13301e2e698Seeh kd->kd_tty = tp; 13401e2e698Seeh 13501e2e698Seeh /* 13601e2e698Seeh * get the console struct winsize. 13701e2e698Seeh */ 13801e2e698Seeh if (kd_is_console) { 13901e2e698Seeh fbconstty = tp; 14001e2e698Seeh } 14101e2e698Seeh 14201e2e698Seeh if (kd->rows == 0 && 1438512c4b6Spk prom_getoption("screen-#rows", prop, sizeof prop) == 0) 1448512c4b6Spk kd->rows = strtoul(prop, NULL, 10); 1458512c4b6Spk 14601e2e698Seeh if (kd->cols == 0 && 1478512c4b6Spk prom_getoption("screen-#columns", prop, sizeof prop) == 0) 1488512c4b6Spk kd->cols = strtoul(prop, NULL, 10); 14901e2e698Seeh } 15001e2e698Seeh 15101e2e698Seeh struct tty * 1521a509d61Scdi kdtty(dev_t dev) 15301e2e698Seeh { 15401e2e698Seeh struct kd_softc *kd; 15501e2e698Seeh 15601e2e698Seeh kd = &kd_softc; /* XXX */ 15701e2e698Seeh return (kd->kd_tty); 15801e2e698Seeh } 15901e2e698Seeh 16001e2e698Seeh int 1611a509d61Scdi kdopen(dev_t dev, int flag, int mode, struct lwp *l) 16201e2e698Seeh { 16301e2e698Seeh struct kd_softc *kd; 16401e2e698Seeh int error, s, unit; 16501e2e698Seeh struct tty *tp; 166f5839cdaSpk static int firstopen = 1; 16701e2e698Seeh 16801e2e698Seeh unit = minor(dev); 16901e2e698Seeh if (unit != 0) 17001e2e698Seeh return ENXIO; 17101e2e698Seeh kd = &kd_softc; /* XXX */ 17201e2e698Seeh 173f5839cdaSpk if (firstopen) { 174f5839cdaSpk kd_init(kd); 175f5839cdaSpk firstopen = 0; 17601e2e698Seeh } 177f5839cdaSpk tp = kd->kd_tty; 17801e2e698Seeh 17901e2e698Seeh /* It's simpler to do this up here. */ 180e8373398Selad if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 18101e2e698Seeh return (EBUSY); 18201e2e698Seeh 18301e2e698Seeh s = spltty(); 18401e2e698Seeh 18501e2e698Seeh if ((tp->t_state & TS_ISOPEN) == 0) { 18601e2e698Seeh /* First open. */ 187f5839cdaSpk 188f5839cdaSpk /* Notify the input device that serves us */ 189f5839cdaSpk struct cons_channel *cc = kd->kd_in; 190f5839cdaSpk if (cc != NULL && 191f5839cdaSpk (error = (*cc->cc_iopen)(cc)) != 0) { 192805ffd07Seeh splx(s); 193f5839cdaSpk return (error); 194f5839cdaSpk } 195f5839cdaSpk 19601e2e698Seeh ttychars(tp); 19701e2e698Seeh tp->t_iflag = TTYDEF_IFLAG; 19801e2e698Seeh tp->t_oflag = TTYDEF_OFLAG; 19901e2e698Seeh tp->t_cflag = TTYDEF_CFLAG; 20001e2e698Seeh tp->t_lflag = TTYDEF_LFLAG; 20101e2e698Seeh tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 20201e2e698Seeh (void) kdparam(tp, &tp->t_termios); 20301e2e698Seeh ttsetwater(tp); 20401e2e698Seeh tp->t_winsize.ws_row = kd->rows; 20501e2e698Seeh tp->t_winsize.ws_col = kd->cols; 20601e2e698Seeh /* Flush pending input? Clear translator? */ 20701e2e698Seeh /* This (pseudo)device always has SOFTCAR */ 20801e2e698Seeh tp->t_state |= TS_CARR_ON; 20901e2e698Seeh } 21001e2e698Seeh 21101e2e698Seeh splx(s); 21201e2e698Seeh 21323a0c490Seeh return ((*tp->t_linesw->l_open)(dev, tp)); 21401e2e698Seeh } 21501e2e698Seeh 21601e2e698Seeh int 2171a509d61Scdi kdclose(dev_t dev, int flag, int mode, struct lwp *l) 21801e2e698Seeh { 21901e2e698Seeh struct kd_softc *kd; 22001e2e698Seeh struct tty *tp; 221f5839cdaSpk struct cons_channel *cc; 22201e2e698Seeh 22301e2e698Seeh kd = &kd_softc; /* XXX */ 22401e2e698Seeh tp = kd->kd_tty; 22501e2e698Seeh 22601e2e698Seeh /* XXX This is for cons.c. */ 22701e2e698Seeh if ((tp->t_state & TS_ISOPEN) == 0) 22801e2e698Seeh return 0; 22901e2e698Seeh 23023a0c490Seeh (*tp->t_linesw->l_close)(tp, flag); 23101e2e698Seeh ttyclose(tp); 232f5839cdaSpk 233f5839cdaSpk if ((cc = kd->kd_in) != NULL) 23457801e8fSmartin (void)(*cc->cc_iclose)(cc); 235f5839cdaSpk 23601e2e698Seeh return (0); 23701e2e698Seeh } 23801e2e698Seeh 23901e2e698Seeh int 2401a509d61Scdi kdread(dev_t dev, struct uio *uio, int flag) 24101e2e698Seeh { 24201e2e698Seeh struct kd_softc *kd; 24301e2e698Seeh struct tty *tp; 24401e2e698Seeh 24501e2e698Seeh kd = &kd_softc; /* XXX */ 24601e2e698Seeh tp = kd->kd_tty; 24701e2e698Seeh 24823a0c490Seeh return ((*tp->t_linesw->l_read)(tp, uio, flag)); 24901e2e698Seeh } 25001e2e698Seeh 25101e2e698Seeh int 2521a509d61Scdi kdwrite(dev_t dev, struct uio *uio, int flag) 25301e2e698Seeh { 25401e2e698Seeh struct kd_softc *kd; 25501e2e698Seeh struct tty *tp; 25601e2e698Seeh 25701e2e698Seeh kd = &kd_softc; /* XXX */ 25801e2e698Seeh tp = kd->kd_tty; 25901e2e698Seeh 26023a0c490Seeh return ((*tp->t_linesw->l_write)(tp, uio, flag)); 26101e2e698Seeh } 26201e2e698Seeh 26301e2e698Seeh int 2641a509d61Scdi kdpoll(dev_t dev, int events, struct lwp *l) 2652963ff5cSscw { 2662963ff5cSscw struct kd_softc *kd; 2672963ff5cSscw struct tty *tp; 2682963ff5cSscw 2692963ff5cSscw kd = &kd_softc; /* XXX */ 2702963ff5cSscw tp = kd->kd_tty; 2712963ff5cSscw 27295e1ffb1Schristos return ((*tp->t_linesw->l_poll)(tp, events, l)); 2732963ff5cSscw } 2742963ff5cSscw 2752963ff5cSscw int 2761a509d61Scdi kdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l) 27701e2e698Seeh { 27801e2e698Seeh struct kd_softc *kd; 27901e2e698Seeh struct tty *tp; 28001e2e698Seeh int error; 28101e2e698Seeh 28201e2e698Seeh kd = &kd_softc; /* XXX */ 28301e2e698Seeh tp = kd->kd_tty; 28401e2e698Seeh 28595e1ffb1Schristos error = (*tp->t_linesw->l_ioctl)(tp, cmd, data, flag, l); 28631144d99Satatat if (error != EPASSTHROUGH) 28701e2e698Seeh return error; 28831144d99Satatat 28995e1ffb1Schristos error = ttioctl(tp, cmd, data, flag, l); 29031144d99Satatat if (error != EPASSTHROUGH) 29101e2e698Seeh return error; 29201e2e698Seeh 29301e2e698Seeh /* Handle any ioctl commands specific to kbd/display. */ 29401e2e698Seeh /* XXX - Send KB* ioctls to kbd module? */ 29501e2e698Seeh /* XXX - Send FB* ioctls to fb module? */ 29601e2e698Seeh 29731144d99Satatat return EPASSTHROUGH; 29801e2e698Seeh } 29901e2e698Seeh 30001e2e698Seeh static int 3011a509d61Scdi kdparam(struct tty *tp, struct termios *t) 30201e2e698Seeh { 30301e2e698Seeh /* XXX - These are ignored... */ 30401e2e698Seeh tp->t_ispeed = t->c_ispeed; 30501e2e698Seeh tp->t_ospeed = t->c_ospeed; 30601e2e698Seeh tp->t_cflag = t->c_cflag; 30701e2e698Seeh return 0; 30801e2e698Seeh } 30901e2e698Seeh 31001e2e698Seeh 31101e2e698Seeh static void kd_later(void*); 31201e2e698Seeh static void kd_putfb(struct tty *); 31301e2e698Seeh 31401e2e698Seeh static void 3151a509d61Scdi kdstart(struct tty *tp) 31601e2e698Seeh { 31701e2e698Seeh struct clist *cl; 318*36bb413eSad int s1, s2; 31901e2e698Seeh 320*36bb413eSad s1 = splsoftclock(); 321*36bb413eSad s2 = spltty(); 32201e2e698Seeh if (tp->t_state & (TS_BUSY|TS_TTSTOP|TS_TIMEOUT)) 32301e2e698Seeh goto out; 32401e2e698Seeh 32501e2e698Seeh cl = &tp->t_outq; 32601e2e698Seeh if (cl->c_cc) { 32701e2e698Seeh if (kd_is_console) { 32801e2e698Seeh tp->t_state |= TS_BUSY; 329*36bb413eSad if (s1 == 0) { 33001e2e698Seeh /* called at level zero - update screen now. */ 331*36bb413eSad splx(s2); 33201e2e698Seeh kd_putfb(tp); 333*36bb413eSad s2 = spltty(); 33401e2e698Seeh tp->t_state &= ~TS_BUSY; 33501e2e698Seeh } else { 33601e2e698Seeh /* called at interrupt level - do it later */ 3377b918b40Sthorpej callout_reset(&tp->t_rstrt_ch, 0, 3387b918b40Sthorpej kd_later, tp); 33901e2e698Seeh } 34001e2e698Seeh } else { 34101e2e698Seeh /* 34201e2e698Seeh * This driver uses the PROM for writing the screen, 34301e2e698Seeh * and that only works if this is the console device. 34401e2e698Seeh * If this is not the console, just flush the output. 34501e2e698Seeh * Sorry. (In that case, use xdm instead of getty.) 34601e2e698Seeh */ 34701e2e698Seeh ndflush(cl, cl->c_cc); 34801e2e698Seeh } 34901e2e698Seeh } 35001e2e698Seeh if (cl->c_cc <= tp->t_lowat) { 35101e2e698Seeh if (tp->t_state & TS_ASLEEP) { 35201e2e698Seeh tp->t_state &= ~TS_ASLEEP; 35301e2e698Seeh wakeup((caddr_t)cl); 35401e2e698Seeh } 35501e2e698Seeh selwakeup(&tp->t_wsel); 35601e2e698Seeh } 35701e2e698Seeh out: 358*36bb413eSad splx(s2); 359*36bb413eSad splx(s1); 36001e2e698Seeh } 36101e2e698Seeh 36201e2e698Seeh /* 36301e2e698Seeh * Timeout function to do delayed writes to the screen. 36401e2e698Seeh * Called at splsoftclock when requested by kdstart. 36501e2e698Seeh */ 36601e2e698Seeh static void 3671a509d61Scdi kd_later(void *tpaddr) 36801e2e698Seeh { 36901e2e698Seeh struct tty *tp = tpaddr; 37001e2e698Seeh register int s; 37101e2e698Seeh 37201e2e698Seeh kd_putfb(tp); 37301e2e698Seeh 37401e2e698Seeh s = spltty(); 37501e2e698Seeh tp->t_state &= ~TS_BUSY; 37623a0c490Seeh (*tp->t_linesw->l_start)(tp); 37701e2e698Seeh splx(s); 37801e2e698Seeh } 37901e2e698Seeh 38001e2e698Seeh /* 38101e2e698Seeh * Put text on the screen using the PROM monitor. 38201e2e698Seeh * This can take a while, so to avoid missing 38301e2e698Seeh * interrupts, this is called at splsoftclock. 38401e2e698Seeh */ 38501e2e698Seeh static void 3861a509d61Scdi kd_putfb(struct tty *tp) 38701e2e698Seeh { 38801e2e698Seeh char buf[PUT_WSIZE]; 38901e2e698Seeh struct clist *cl = &tp->t_outq; 39001e2e698Seeh char *p, *end; 39101e2e698Seeh int len; 39201e2e698Seeh 39301e2e698Seeh while ((len = q_to_b(cl, buf, PUT_WSIZE-1)) > 0) { 39401e2e698Seeh /* PROM will barf if high bits are set. */ 39501e2e698Seeh p = buf; 39601e2e698Seeh end = buf + len; 39701e2e698Seeh while (p < end) 39801e2e698Seeh *p++ &= 0x7f; 39901e2e698Seeh /* Now let the PROM print it. */ 40005a2b230Spk prom_write(prom_stdout(), buf, len); 40101e2e698Seeh } 40201e2e698Seeh } 40301e2e698Seeh 404f5839cdaSpk /* 405f5839cdaSpk * Default PROM-based console input stream 406f5839cdaSpk */ 407d50f0c62Scdi static int kd_rom_iopen(struct cons_channel *); 408d50f0c62Scdi static int kd_rom_iclose(struct cons_channel *); 409f5839cdaSpk 410f5839cdaSpk static struct cons_channel prom_cons_channel; 411f5839cdaSpk 412f5839cdaSpk int 413d50f0c62Scdi kd_rom_iopen(struct cons_channel *cc) 414f5839cdaSpk { 415f5839cdaSpk return (0); 416f5839cdaSpk } 417f5839cdaSpk 418f5839cdaSpk int 419d50f0c62Scdi kd_rom_iclose(struct cons_channel *cc) 420f5839cdaSpk { 421f5839cdaSpk return (0); 422f5839cdaSpk } 423f5839cdaSpk 42401e2e698Seeh /* 42501e2e698Seeh * Our "interrupt" routine for input. This is called by 42601e2e698Seeh * the keyboard driver (dev/sun/kbd.c) at spltty. 42701e2e698Seeh */ 42801e2e698Seeh void 429d50f0c62Scdi kd_cons_input(int c) 43001e2e698Seeh { 43101e2e698Seeh struct kd_softc *kd = &kd_softc; 43201e2e698Seeh struct tty *tp; 43301e2e698Seeh 43401e2e698Seeh /* XXX: Make sure the device is open. */ 43501e2e698Seeh tp = kd->kd_tty; 43601e2e698Seeh if (tp == NULL) 43701e2e698Seeh return; 43801e2e698Seeh if ((tp->t_state & TS_ISOPEN) == 0) 43901e2e698Seeh return; 44001e2e698Seeh 44123a0c490Seeh (*tp->t_linesw->l_rint)(c, tp); 44201e2e698Seeh } 44301e2e698Seeh 44401e2e698Seeh 44501e2e698Seeh /**************************************************************** 44601e2e698Seeh * kd console support 44701e2e698Seeh ****************************************************************/ 44801e2e698Seeh 44901e2e698Seeh /* The debugger gets its own key translation state. */ 450424619caSeeh static struct kbd_state *kdcn_state; 45101e2e698Seeh 452d50f0c62Scdi static void kdcnprobe(struct consdev *); 453d50f0c62Scdi static void kdcninit(struct consdev *); 454d50f0c62Scdi static void kdcnputc(dev_t, int); 455d50f0c62Scdi static void kdcnpollc(dev_t, int); 45601e2e698Seeh 45792ad9c40Seeh /* The keyboard driver uses cn_hw to access the real console driver */ 45892ad9c40Seeh extern struct consdev consdev_prom; 45901e2e698Seeh struct consdev consdev_kd = { 4601f9d7be4Smartin .cn_probe = kdcnprobe, 4611f9d7be4Smartin .cn_init = kdcninit, 4621f9d7be4Smartin .cn_getc = kdcngetc, 4631f9d7be4Smartin .cn_putc = kdcnputc, 4641f9d7be4Smartin .cn_pollc = kdcnpollc, 46501e2e698Seeh }; 466424619caSeeh struct consdev *cn_hw = &consdev_kd; 467424619caSeeh 468424619caSeeh void 4691a509d61Scdi cons_attach_input(struct cons_channel *cc, struct consdev *cn) 470424619caSeeh { 471424619caSeeh struct kd_softc *kd = &kd_softc; 472424619caSeeh struct kbd_softc *kds = cc->cc_dev; 473424619caSeeh struct kbd_state *ks; 474424619caSeeh 475424619caSeeh /* Share the keyboard state */ 476424619caSeeh kdcn_state = ks = &kds->k_state; 477424619caSeeh 478424619caSeeh kd->kd_in = cc; 479424619caSeeh cc->cc_upstream = kd_cons_input; 480424619caSeeh 481424619caSeeh /* Attach lower level. */ 48217b69d18Seeh cn_hw->cn_dev = cn->cn_dev; 483424619caSeeh cn_hw->cn_pollc = cn->cn_pollc; 484424619caSeeh cn_hw->cn_getc = cn->cn_getc; 485424619caSeeh 486424619caSeeh /* Attach us as console. */ 48777a6b82bSgehenna cn_tab->cn_dev = makedev(cdevsw_lookup_major(&kd_cdevsw), 0); 488424619caSeeh cn_tab->cn_probe = kdcnprobe; 489424619caSeeh cn_tab->cn_init = kdcninit; 490424619caSeeh cn_tab->cn_getc = kdcngetc; 491424619caSeeh cn_tab->cn_pollc = kdcnpollc; 492424619caSeeh cn_tab->cn_pri = CN_INTERNAL; 493424619caSeeh 494424619caSeeh /* Set up initial PROM input channel for /dev/console */ 495424619caSeeh prom_cons_channel.cc_dev = NULL; 496424619caSeeh prom_cons_channel.cc_iopen = kd_rom_iopen; 497424619caSeeh prom_cons_channel.cc_iclose = kd_rom_iclose; 498424619caSeeh 499424619caSeeh /* Indicate that it is OK to use the PROM fbwrite */ 500424619caSeeh kd_is_console = 1; 501424619caSeeh } 50201e2e698Seeh 503805ffd07Seeh 504805ffd07Seeh void kd_attach_input(struct cons_channel *); 505805ffd07Seeh void 5061a509d61Scdi kd_attach_input(struct cons_channel *cc) 507805ffd07Seeh { 508805ffd07Seeh struct kd_softc *kd = &kd_softc; 509805ffd07Seeh 510805ffd07Seeh kd->kd_in = cc; 511805ffd07Seeh cc->cc_upstream = kd_cons_input; 512805ffd07Seeh } 513805ffd07Seeh 514805ffd07Seeh 51501e2e698Seeh /* We never call this. */ 51601e2e698Seeh static void 517d50f0c62Scdi kdcnprobe(struct consdev *cn) 51801e2e698Seeh { 51901e2e698Seeh } 52001e2e698Seeh 52101e2e698Seeh static void 522d50f0c62Scdi kdcninit(struct consdev *cn) 52301e2e698Seeh { 524424619caSeeh #if 0 525424619caSeeh struct kbd_state *ks = kdcn_state; 52601e2e698Seeh 52777a6b82bSgehenna cn->cn_dev = makedev(cdevsw_lookup_major(&kd_cdevsw), 0); 52801e2e698Seeh cn->cn_pri = CN_INTERNAL; 52901e2e698Seeh 53001e2e698Seeh /* This prepares kbd_translate() */ 53101e2e698Seeh ks->kbd_id = KBD_MIN_TYPE; 53201e2e698Seeh kbd_xlate_init(ks); 53301e2e698Seeh 534f5839cdaSpk /* Set up initial PROM input channel for /dev/console */ 535f5839cdaSpk prom_cons_channel.cc_dev = NULL; 536f5839cdaSpk prom_cons_channel.cc_iopen = kd_rom_iopen; 537f5839cdaSpk prom_cons_channel.cc_iclose = kd_rom_iclose; 538f5839cdaSpk cons_attach_input(&prom_cons_channel); 539f5839cdaSpk 54001e2e698Seeh /* Indicate that it is OK to use the PROM fbwrite */ 54101e2e698Seeh kd_is_console = 1; 542424619caSeeh #endif 54301e2e698Seeh } 54401e2e698Seeh 54501e2e698Seeh static int 546d50f0c62Scdi kdcngetc(dev_t dev) 54701e2e698Seeh { 548424619caSeeh struct kbd_state *ks = kdcn_state; 54901e2e698Seeh int code, class, data, keysym; 550d50f0c62Scdi extern int prom_cngetc(dev_t); 55101e2e698Seeh 552424619caSeeh 553424619caSeeh if (cn_hw->cn_getc == prom_cngetc) return (*cn_hw->cn_getc)(dev); 55401e2e698Seeh for (;;) { 55592ad9c40Seeh code = (*cn_hw->cn_getc)(dev); 55601e2e698Seeh keysym = kbd_code_to_keysym(ks, code); 55701e2e698Seeh class = KEYSYM_CLASS(keysym); 55801e2e698Seeh 55901e2e698Seeh switch (class) { 56001e2e698Seeh case KEYSYM_ASCII: 56101e2e698Seeh goto out; 56201e2e698Seeh 56301e2e698Seeh case KEYSYM_CLRMOD: 56401e2e698Seeh case KEYSYM_SETMOD: 56501e2e698Seeh data = (keysym & 0x1F); 56601e2e698Seeh /* Only allow ctrl or shift. */ 56701e2e698Seeh if (data > KBMOD_SHIFT_R) 56801e2e698Seeh break; 56901e2e698Seeh data = 1 << data; 57001e2e698Seeh if (class == KEYSYM_SETMOD) 57101e2e698Seeh ks->kbd_modbits |= data; 57201e2e698Seeh else 57301e2e698Seeh ks->kbd_modbits &= ~data; 57401e2e698Seeh break; 57501e2e698Seeh 57601e2e698Seeh case KEYSYM_ALL_UP: 57701e2e698Seeh /* No toggle keys here. */ 57801e2e698Seeh ks->kbd_modbits = 0; 57901e2e698Seeh break; 58001e2e698Seeh 58101e2e698Seeh default: /* ignore all other keysyms */ 58201e2e698Seeh break; 58301e2e698Seeh } 58401e2e698Seeh } 58501e2e698Seeh out: 58601e2e698Seeh return (keysym); 58701e2e698Seeh } 58801e2e698Seeh 58901e2e698Seeh static void 590d50f0c62Scdi kdcnputc(dev_t dev, int c) 59101e2e698Seeh { 59292ad9c40Seeh int s; 59301e2e698Seeh char c0 = (c & 0x7f); 59401e2e698Seeh 59592ad9c40Seeh s = splhigh(); 59605a2b230Spk prom_write(prom_stdout(), &c0, 1); 59792ad9c40Seeh splx(s); 59801e2e698Seeh } 59901e2e698Seeh 60001e2e698Seeh static void 601d50f0c62Scdi kdcnpollc(dev_t dev, int on) 60201e2e698Seeh { 603424619caSeeh struct kbd_state *ks = kdcn_state; 60401e2e698Seeh 60501e2e698Seeh if (on) { 60601e2e698Seeh /* Entering debugger. */ 60701e2e698Seeh #if NFB > 0 60801e2e698Seeh fb_unblank(); 60901e2e698Seeh #endif 61001e2e698Seeh /* Clear shift keys too. */ 61101e2e698Seeh ks->kbd_modbits = 0; 61201e2e698Seeh } else { 61301e2e698Seeh /* Resuming kernel. */ 61401e2e698Seeh } 61592ad9c40Seeh (*cn_hw->cn_pollc)(dev, on); 61601e2e698Seeh } 617