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pckbc_js.c revision 1.2.2.4
      1  1.2.2.4  thorpej /*	$NetBSD: pckbc_js.c,v 1.2.2.4 2002/12/11 06:12:04 thorpej Exp $ */
      2  1.2.2.2  nathanw 
      3  1.2.2.2  nathanw /*
      4  1.2.2.2  nathanw  * Copyright (c) 2002 Valeriy E. Ushakov
      5  1.2.2.2  nathanw  * All rights reserved.
      6  1.2.2.2  nathanw  *
      7  1.2.2.2  nathanw  * Redistribution and use in source and binary forms, with or without
      8  1.2.2.2  nathanw  * modification, are permitted provided that the following conditions
      9  1.2.2.2  nathanw  * are met:
     10  1.2.2.2  nathanw  * 1. Redistributions of source code must retain the above copyright
     11  1.2.2.2  nathanw  *    notice, this list of conditions and the following disclaimer.
     12  1.2.2.2  nathanw  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.2.2.2  nathanw  *    notice, this list of conditions and the following disclaimer in the
     14  1.2.2.2  nathanw  *    documentation and/or other materials provided with the distribution.
     15  1.2.2.2  nathanw  * 3. The name of the author may not be used to endorse or promote products
     16  1.2.2.2  nathanw  *    derived from this software without specific prior written permission
     17  1.2.2.2  nathanw  *
     18  1.2.2.2  nathanw  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  1.2.2.2  nathanw  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  1.2.2.2  nathanw  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  1.2.2.2  nathanw  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  1.2.2.2  nathanw  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  1.2.2.2  nathanw  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  1.2.2.2  nathanw  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  1.2.2.2  nathanw  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  1.2.2.2  nathanw  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  1.2.2.2  nathanw  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  1.2.2.2  nathanw  */
     29  1.2.2.2  nathanw 
     30  1.2.2.2  nathanw #include <sys/param.h>
     31  1.2.2.2  nathanw #include <sys/systm.h>
     32  1.2.2.2  nathanw #include <sys/kernel.h>
     33  1.2.2.2  nathanw #include <sys/device.h>
     34  1.2.2.2  nathanw #include <sys/malloc.h>
     35  1.2.2.2  nathanw 
     36  1.2.2.2  nathanw #include <machine/autoconf.h>
     37  1.2.2.2  nathanw #include <machine/bus.h>
     38  1.2.2.2  nathanw #include <machine/intr.h>
     39  1.2.2.2  nathanw 
     40  1.2.2.2  nathanw #include <dev/ic/i8042reg.h>
     41  1.2.2.2  nathanw #include <dev/ic/pckbcvar.h>
     42  1.2.2.2  nathanw #include <dev/pckbc/pckbdvar.h>
     43  1.2.2.2  nathanw 
     44  1.2.2.2  nathanw #include <dev/ebus/ebusreg.h>
     45  1.2.2.2  nathanw #include <dev/ebus/ebusvar.h>
     46  1.2.2.2  nathanw 
     47  1.2.2.2  nathanw 
     48  1.2.2.2  nathanw struct pckbc_js_softc {
     49  1.2.2.2  nathanw 	struct pckbc_softc jsc_pckbc;	/* real "pckbc" softc */
     50  1.2.2.2  nathanw 
     51  1.2.2.2  nathanw 	/* kbd and mouse share interrupt in both mr.coffee and krups */
     52  1.2.2.2  nathanw 	u_int32_t jsc_intr;
     53  1.2.2.2  nathanw 	int jsc_establised;
     54  1.2.2.2  nathanw };
     55  1.2.2.2  nathanw 
     56  1.2.2.2  nathanw 
     57  1.2.2.2  nathanw static int	pckbc_obio_match(struct device *, struct cfdata *, void *);
     58  1.2.2.2  nathanw static void	pckbc_obio_attach(struct device *, struct device *, void *);
     59  1.2.2.2  nathanw 
     60  1.2.2.2  nathanw static int	pckbc_ebus_match(struct device *, struct cfdata *, void *);
     61  1.2.2.2  nathanw static void	pckbc_ebus_attach(struct device *, struct device *, void *);
     62  1.2.2.2  nathanw 
     63  1.2.2.2  nathanw static void	pckbc_js_attach_common(	struct pckbc_js_softc *,
     64  1.2.2.2  nathanw 					bus_space_tag_t, bus_addr_t, int, int);
     65  1.2.2.2  nathanw static void	pckbc_js_intr_establish(struct pckbc_softc *, pckbc_slot_t);
     66  1.2.2.2  nathanw 
     67  1.2.2.2  nathanw /* Mr.Coffee */
     68  1.2.2.3  nathanw CFATTACH_DECL(pckbc_obio, sizeof(struct pckbc_js_softc),
     69  1.2.2.3  nathanw     pckbc_obio_match, pckbc_obio_attach, NULL, NULL);
     70  1.2.2.2  nathanw 
     71  1.2.2.2  nathanw /* ms-IIep */
     72  1.2.2.3  nathanw CFATTACH_DECL(pckbc_ebus, sizeof(struct pckbc_js_softc),
     73  1.2.2.3  nathanw     pckbc_ebus_match, pckbc_ebus_attach, NULL, NULL);
     74  1.2.2.2  nathanw 
     75  1.2.2.2  nathanw #define PCKBC_PROM_DEVICE_NAME "8042"
     76  1.2.2.2  nathanw 
     77  1.2.2.2  nathanw static int
     78  1.2.2.2  nathanw pckbc_obio_match(parent, cf, aux)
     79  1.2.2.2  nathanw 	struct device *parent;
     80  1.2.2.2  nathanw 	struct cfdata *cf;
     81  1.2.2.2  nathanw 	void *aux;
     82  1.2.2.2  nathanw {
     83  1.2.2.2  nathanw 	union obio_attach_args *uoba = aux;
     84  1.2.2.2  nathanw 	struct sbus_attach_args *sa = &uoba->uoba_sbus;
     85  1.2.2.2  nathanw 
     86  1.2.2.2  nathanw 	return (strcmp(sa->sa_name, PCKBC_PROM_DEVICE_NAME) == 0);
     87  1.2.2.2  nathanw }
     88  1.2.2.2  nathanw 
     89  1.2.2.2  nathanw static int
     90  1.2.2.2  nathanw pckbc_ebus_match(parent, cf, aux)
     91  1.2.2.2  nathanw 	struct device *parent;
     92  1.2.2.2  nathanw 	struct cfdata *cf;
     93  1.2.2.2  nathanw 	void *aux;
     94  1.2.2.2  nathanw {
     95  1.2.2.2  nathanw 	struct ebus_attach_args *ea = aux;
     96  1.2.2.2  nathanw 
     97  1.2.2.2  nathanw 	return (strcmp(ea->ea_name, PCKBC_PROM_DEVICE_NAME) == 0);
     98  1.2.2.2  nathanw }
     99  1.2.2.2  nathanw 
    100  1.2.2.2  nathanw 
    101  1.2.2.2  nathanw static void
    102  1.2.2.2  nathanw pckbc_obio_attach(parent, self, aux)
    103  1.2.2.2  nathanw 	struct device *parent, *self;
    104  1.2.2.2  nathanw 	void *aux;
    105  1.2.2.2  nathanw {
    106  1.2.2.2  nathanw 	struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)self;
    107  1.2.2.2  nathanw 	union obio_attach_args *uoba = aux;
    108  1.2.2.2  nathanw 	struct sbus_attach_args *sa = &uoba->uoba_sbus;
    109  1.2.2.2  nathanw 	bus_space_tag_t iot;
    110  1.2.2.2  nathanw 	bus_addr_t ioaddr;
    111  1.2.2.2  nathanw 	int intr, isconsole;
    112  1.2.2.2  nathanw 
    113  1.2.2.2  nathanw 	iot = sa->sa_bustag;
    114  1.2.2.2  nathanw 	ioaddr = BUS_ADDR(sa->sa_slot, sa->sa_offset);
    115  1.2.2.2  nathanw 	intr = sa->sa_nintr ? sa->sa_pri : /* level */ 13;
    116  1.2.2.2  nathanw 
    117  1.2.2.2  nathanw 	/*
    118  1.2.2.2  nathanw 	 * TODO:
    119  1.2.2.2  nathanw 	 * . on OFW machines stdin is keyboard node, not 8042 node
    120  1.2.2.2  nathanw 	 * . on OBP machines 8042 node is faked by boot's prompatch
    121  1.2.2.2  nathanw 	 *   and PROM's stdin points to zs keyboard (add prom patch?)
    122  1.2.2.2  nathanw 	 * . we probably want the stdout node to control whether
    123  1.2.2.2  nathanw 	 *   console goes to serial
    124  1.2.2.2  nathanw 	 */
    125  1.2.2.2  nathanw 	isconsole = 1;
    126  1.2.2.2  nathanw 
    127  1.2.2.2  nathanw 	pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole);
    128  1.2.2.2  nathanw }
    129  1.2.2.2  nathanw 
    130  1.2.2.2  nathanw static void
    131  1.2.2.2  nathanw pckbc_ebus_attach(parent, self, aux)
    132  1.2.2.2  nathanw 	struct device *parent, *self;
    133  1.2.2.2  nathanw 	void *aux;
    134  1.2.2.2  nathanw {
    135  1.2.2.2  nathanw 	struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)self;
    136  1.2.2.2  nathanw 	struct ebus_attach_args *ea = aux;
    137  1.2.2.2  nathanw 	bus_space_tag_t iot;
    138  1.2.2.2  nathanw 	bus_addr_t ioaddr;
    139  1.2.2.3  nathanw 	int intr;
    140  1.2.2.3  nathanw 	int stdin_node,	node;
    141  1.2.2.3  nathanw 	int isconsole;
    142  1.2.2.2  nathanw 
    143  1.2.2.2  nathanw 	iot = ea->ea_bustag;
    144  1.2.2.2  nathanw 	ioaddr = EBUS_ADDR_FROM_REG(&ea->ea_reg[0]);
    145  1.2.2.2  nathanw 	intr = ea->ea_nintr ? ea->ea_intr[0] : /* line */ 0;
    146  1.2.2.2  nathanw 
    147  1.2.2.3  nathanw 	/* search children of "8042" node for stdin (keyboard) */
    148  1.2.2.3  nathanw 	stdin_node = prom_instance_to_package(prom_stdin());
    149  1.2.2.3  nathanw 	isconsole = 0;
    150  1.2.2.3  nathanw 
    151  1.2.2.3  nathanw 	for (node = prom_firstchild(ea->ea_node);
    152  1.2.2.3  nathanw 	     node != 0; node = prom_nextsibling(node))
    153  1.2.2.3  nathanw 		if (node == stdin_node) {
    154  1.2.2.3  nathanw 			isconsole = 1;
    155  1.2.2.3  nathanw 			break;
    156  1.2.2.3  nathanw 		}
    157  1.2.2.2  nathanw 
    158  1.2.2.2  nathanw 	pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole);
    159  1.2.2.2  nathanw }
    160  1.2.2.2  nathanw 
    161  1.2.2.2  nathanw 
    162  1.2.2.2  nathanw static void
    163  1.2.2.2  nathanw pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole)
    164  1.2.2.2  nathanw 	struct pckbc_js_softc *jsc;
    165  1.2.2.2  nathanw 	bus_space_tag_t iot;
    166  1.2.2.2  nathanw 	bus_addr_t ioaddr;
    167  1.2.2.2  nathanw 	int intr;
    168  1.2.2.2  nathanw 	int isconsole;
    169  1.2.2.2  nathanw {
    170  1.2.2.2  nathanw 	struct pckbc_softc *sc = (struct pckbc_softc *)jsc;
    171  1.2.2.2  nathanw 	struct pckbc_internal *t;
    172  1.2.2.2  nathanw 
    173  1.2.2.2  nathanw 	jsc->jsc_pckbc.intr_establish = pckbc_js_intr_establish;
    174  1.2.2.2  nathanw 	jsc->jsc_intr = intr;
    175  1.2.2.2  nathanw 	jsc->jsc_establised = 0;
    176  1.2.2.2  nathanw 
    177  1.2.2.2  nathanw 	if (isconsole) {
    178  1.2.2.2  nathanw 		int status;
    179  1.2.2.2  nathanw 
    180  1.2.2.2  nathanw 		status = pckbc_cnattach(iot, ioaddr, KBCMDP, PCKBC_KBD_SLOT);
    181  1.2.2.2  nathanw 		if (status == 0)
    182  1.2.2.2  nathanw 			printf(": cnattach ok");
    183  1.2.2.2  nathanw 		else
    184  1.2.2.2  nathanw 			printf(": cnattach %d", status);
    185  1.2.2.2  nathanw 	}
    186  1.2.2.2  nathanw 
    187  1.2.2.2  nathanw 	if (pckbc_is_console(iot, ioaddr)) {
    188  1.2.2.2  nathanw 		t = &pckbc_consdata;
    189  1.2.2.2  nathanw 		pckbc_console_attached = 1;
    190  1.2.2.2  nathanw 	} else {
    191  1.2.2.2  nathanw 		bus_space_handle_t ioh_d, ioh_c;
    192  1.2.2.2  nathanw 
    193  1.2.2.2  nathanw 		if (bus_space_map(iot, ioaddr + KBDATAP, 1, 0, &ioh_d) != 0) {
    194  1.2.2.2  nathanw 			printf(": unable to map data register\n");
    195  1.2.2.2  nathanw 			return;
    196  1.2.2.2  nathanw 		}
    197  1.2.2.2  nathanw 
    198  1.2.2.2  nathanw 		if (bus_space_map(iot, ioaddr + KBCMDP,  1, 0, &ioh_c) != 0) {
    199  1.2.2.2  nathanw 			bus_space_unmap(iot, ioh_d, 1);
    200  1.2.2.2  nathanw 			printf(": unable to map cmd register\n");
    201  1.2.2.2  nathanw 			return;
    202  1.2.2.2  nathanw 		}
    203  1.2.2.2  nathanw 
    204  1.2.2.2  nathanw 		t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
    205  1.2.2.2  nathanw 		memset(t, 0, sizeof(struct pckbc_internal));
    206  1.2.2.2  nathanw 		t->t_iot = iot;
    207  1.2.2.2  nathanw 		t->t_ioh_d = ioh_d;
    208  1.2.2.2  nathanw 		t->t_ioh_c = ioh_c;
    209  1.2.2.2  nathanw 		t->t_addr = ioaddr;
    210  1.2.2.2  nathanw 		t->t_cmdbyte = KC8_CPU; /* initial command: enable ports */
    211  1.2.2.2  nathanw 		callout_init(&t->t_cleanup);
    212  1.2.2.2  nathanw 
    213  1.2.2.2  nathanw 		(void) pckbc_poll_data1(t, PCKBC_KBD_SLOT, 0); /* flush */
    214  1.2.2.2  nathanw 
    215  1.2.2.2  nathanw 		if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0)
    216  1.2.2.2  nathanw 			printf(": unable to request self test");
    217  1.2.2.2  nathanw 		else {
    218  1.2.2.2  nathanw 			int response;
    219  1.2.2.2  nathanw 
    220  1.2.2.2  nathanw 			response = pckbc_poll_data1(t, PCKBC_KBD_SLOT, 0);
    221  1.2.2.2  nathanw 			if (response == 0x55)
    222  1.2.2.2  nathanw 				printf(": selftest ok");
    223  1.2.2.2  nathanw 			else
    224  1.2.2.2  nathanw 				printf(": selftest failed (0x%02x)", response);
    225  1.2.2.2  nathanw 		}
    226  1.2.2.2  nathanw 	}
    227  1.2.2.2  nathanw 
    228  1.2.2.2  nathanw 	/* crosslink */
    229  1.2.2.2  nathanw 	t->t_sc = sc;
    230  1.2.2.2  nathanw 	sc->id = t;
    231  1.2.2.2  nathanw 
    232  1.2.2.2  nathanw 	/* finish off the attach */
    233  1.2.2.2  nathanw 	printf("\n");
    234  1.2.2.2  nathanw 	pckbc_attach(sc);
    235  1.2.2.2  nathanw }
    236  1.2.2.2  nathanw 
    237  1.2.2.2  nathanw 
    238  1.2.2.2  nathanw /*
    239  1.2.2.2  nathanw  * Keyboard and mouse share the interrupt
    240  1.2.2.2  nathanw  * so don't install interrupt handler twice.
    241  1.2.2.2  nathanw  */
    242  1.2.2.2  nathanw static void
    243  1.2.2.2  nathanw pckbc_js_intr_establish(sc, slot)
    244  1.2.2.2  nathanw 	struct pckbc_softc *sc;
    245  1.2.2.2  nathanw 	pckbc_slot_t slot;
    246  1.2.2.2  nathanw {
    247  1.2.2.2  nathanw 	struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)sc;
    248  1.2.2.2  nathanw 	void *res;
    249  1.2.2.2  nathanw 
    250  1.2.2.2  nathanw 	if (jsc->jsc_establised) {
    251  1.2.2.2  nathanw #ifdef DEBUG
    252  1.2.2.2  nathanw 		printf("%s: %s slot shares interrupt (already established)\n",
    253  1.2.2.2  nathanw 		       sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
    254  1.2.2.2  nathanw #endif
    255  1.2.2.2  nathanw 		return;
    256  1.2.2.2  nathanw 	}
    257  1.2.2.2  nathanw 
    258  1.2.2.2  nathanw 	res = bus_intr_establish(sc->id->t_iot, jsc->jsc_intr,
    259  1.2.2.4  thorpej 				 IPL_TTY, pckbcintr, sc);
    260  1.2.2.2  nathanw 	if (res == NULL)
    261  1.2.2.2  nathanw 		printf("%s: unable to establish %s slot interrupt\n",
    262  1.2.2.2  nathanw 		       sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
    263  1.2.2.2  nathanw 	else
    264  1.2.2.2  nathanw 		jsc->jsc_establised = 1;
    265  1.2.2.2  nathanw }
    266  1.2.2.2  nathanw 
    267  1.2.2.2  nathanw 
    268  1.2.2.2  nathanw /*
    269  1.2.2.2  nathanw  * MD hook for use without MI wscons.
    270  1.2.2.2  nathanw  * Called by pckbc_cnattach().
    271  1.2.2.2  nathanw  */
    272  1.2.2.2  nathanw int
    273  1.2.2.2  nathanw pckbc_machdep_cnattach(constag, slot)
    274  1.2.2.2  nathanw     pckbc_tag_t constag;
    275  1.2.2.2  nathanw     pckbc_slot_t slot;
    276  1.2.2.2  nathanw {
    277  1.2.2.2  nathanw 
    278  1.2.2.2  nathanw #if !defined(__HAVE_NWSCONS) && defined(MSIIEP)
    279  1.2.2.2  nathanw 	/* we do use wscons on krups! */
    280  1.2.2.2  nathanw 	return (pckbd_cnattach(constag, slot));
    281  1.2.2.2  nathanw #else
    282  1.2.2.2  nathanw 	return (0);
    283  1.2.2.2  nathanw #endif
    284  1.2.2.2  nathanw }
    285