[src/trunk]: src/sys/arch/sparc/dev Driver for pckbc in javastations. Not fi...

[uwe <uwe%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/329c82af825a
branches:  trunk
changeset: 521486:329c82af825a
user:      uwe <uwe%NetBSD.org@localhost>
date:      Thu Jan 31 17:34:51 2002 +0000

description:
Driver for pckbc in javastations.  Not finished yet.

diffstat:

 sys/arch/sparc/dev/pckbc_js.c |  277 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 277 insertions(+), 0 deletions(-)

diffs (281 lines):

diff -r 98b774d75a41 -r 329c82af825a sys/arch/sparc/dev/pckbc_js.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/sparc/dev/pckbc_js.c     Thu Jan 31 17:34:51 2002 +0000
@@ -0,0 +1,277 @@
+/*     $NetBSD: pckbc_js.c,v 1.1 2002/01/31 17:34:51 uwe Exp $ */
+
+/*
+ * Copyright (c) 2002 Valeriy E. Ushakov
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * 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.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+
+#include <machine/autoconf.h>
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/ic/i8042reg.h>
+#include <dev/ic/pckbcvar.h> 
+#include <dev/pckbc/pckbdvar.h>
+
+#include <sparc/dev/ebusreg.h>
+#include <sparc/dev/ebusvar.h>
+
+
+struct pckbc_js_softc {
+       struct pckbc_softc jsc_pckbc;   /* real "pckbc" softc */
+
+       /* kbd and mouse share interrupt in both mr.coffee and krups */
+       u_int32_t jsc_intr;
+       int jsc_establised;
+};
+
+
+static int     pckbc_obio_match(struct device *, struct cfdata *, void *);
+static void    pckbc_obio_attach(struct device *, struct device *, void *);
+
+static int     pckbc_ebus_match(struct device *, struct cfdata *, void *);
+static void    pckbc_ebus_attach(struct device *, struct device *, void *);
+
+static void    pckbc_js_attach_common( struct pckbc_js_softc *,
+                                       bus_space_tag_t, bus_addr_t, int, int);
+static void    pckbc_js_intr_establish(struct pckbc_softc *, pckbc_slot_t);
+
+/* Mr.Coffee */
+struct cfattach pckbc_obio_ca = {
+       sizeof(struct pckbc_js_softc), pckbc_obio_match, pckbc_obio_attach
+};
+
+/* ms-IIep */
+struct cfattach pckbc_ebus_ca = {
+       sizeof(struct pckbc_js_softc), pckbc_ebus_match, pckbc_ebus_attach
+};
+
+
+#define PCKBC_PROM_DEVICE_NAME "8042"
+
+static int
+pckbc_obio_match(parent, cf, aux)
+       struct device *parent;
+       struct cfdata *cf;
+       void *aux;
+{
+       union obio_attach_args *uoba = aux;
+       struct sbus_attach_args *sa = &uoba->uoba_sbus;
+
+       return (strcmp(sa->sa_name, PCKBC_PROM_DEVICE_NAME) == 0);
+}
+
+static int
+pckbc_ebus_match(parent, cf, aux)
+       struct device *parent;
+       struct cfdata *cf;
+       void *aux;
+{
+       struct ebus_attach_args *ea = aux;
+
+       return (strcmp(ea->ea_name, PCKBC_PROM_DEVICE_NAME) == 0);
+}
+
+
+static void
+pckbc_obio_attach(parent, self, aux)
+       struct device *parent, *self;
+       void *aux;
+{
+       struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)self;
+       union obio_attach_args *uoba = aux;
+       struct sbus_attach_args *sa = &uoba->uoba_sbus;
+       bus_space_tag_t iot;
+       bus_addr_t ioaddr;
+       int intr, isconsole;
+
+       iot = sa->sa_bustag;
+       ioaddr = BUS_ADDR(sa->sa_slot, sa->sa_offset);
+       intr = sa->sa_nintr ? sa->sa_pri : /* level */ 13;
+
+       /*
+        * TODO:
+        * . on OFW machines stdin is keyboard node, not 8042 node
+        * . on OBP machines 8042 node is faked by boot's prompatch
+        *   and PROM's stdin points to zs keyboard (add prom patch?)
+        * . we probably want the stdout node to control whether
+        *   console goes to serial
+        */
+       isconsole = 1;
+
+       pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole);
+}
+
+static void
+pckbc_ebus_attach(parent, self, aux)
+       struct device *parent, *self;
+       void *aux;
+{
+       struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)self;
+       struct ebus_attach_args *ea = aux;
+       bus_space_tag_t iot;
+       bus_addr_t ioaddr;
+       int intr, isconsole;
+
+       iot = ea->ea_bustag;
+       ioaddr = BUS_ADDR(ea->ea_reg[0].bar, ea->ea_reg[0].offset);
+       intr = ea->ea_nintr ? ea->ea_intr[0] : /* line */ 0;
+
+       /* TODO: see comment in pckbc_obio_attach above */
+       isconsole = 1;
+
+       pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole);
+}
+
+
+static void
+pckbc_js_attach_common(jsc, iot, ioaddr, intr, isconsole)
+       struct pckbc_js_softc *jsc;
+       bus_space_tag_t iot;
+       bus_addr_t ioaddr;
+       int intr;
+       int isconsole;
+{
+       struct pckbc_softc *sc = (struct pckbc_softc *)jsc;
+       struct pckbc_internal *t;
+
+       jsc->jsc_pckbc.intr_establish = pckbc_js_intr_establish;
+       jsc->jsc_intr = intr;
+       jsc->jsc_establised = 0;
+
+       if (isconsole) {
+               int status;
+
+               status = pckbc_cnattach(iot, ioaddr, KBCMDP, PCKBC_KBD_SLOT);
+               if (status == 0)
+                       printf(": cnattach ok");
+               else
+                       printf(": cnattach %d", status);
+       }
+
+       if (pckbc_is_console(iot, ioaddr)) {
+               t = &pckbc_consdata;
+               pckbc_console_attached = 1;
+       } else {
+               bus_space_handle_t ioh_d, ioh_c;
+
+               if (bus_space_map(iot, ioaddr + KBDATAP, 1, 0, &ioh_d) != 0) {
+                       printf(": unable to map data register\n");
+                       return;
+               }
+
+               if (bus_space_map(iot, ioaddr + KBCMDP,  1, 0, &ioh_c) != 0) {
+                       bus_space_unmap(iot, ioh_d, 1);
+                       printf(": unable to map cmd register\n");
+                       return;
+               }
+
+               t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
+               memset(t, 0, sizeof(struct pckbc_internal));
+               t->t_iot = iot;
+               t->t_ioh_d = ioh_d;
+               t->t_ioh_c = ioh_c;
+               t->t_addr = ioaddr;
+               t->t_cmdbyte = KC8_CPU; /* initial command: enable ports */
+               callout_init(&t->t_cleanup);
+
+               (void) pckbc_poll_data1(t, PCKBC_KBD_SLOT, 0); /* flush */
+
+               if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0)
+                       printf(": unable to request self test");
+               else {
+                       int response;
+
+                       response = pckbc_poll_data1(t, PCKBC_KBD_SLOT, 0);
+                       if (response == 0x55)
+                               printf(": selftest ok");
+                       else
+                               printf(": selftest failed (0x%02x)", response);
+               }
+       }
+
+       /* crosslink */
+       t->t_sc = sc;
+       sc->id = t;
+
+       /* finish off the attach */
+       printf("\n");
+       pckbc_attach(sc);
+}
+
+
+/*
+ * Keyboard and mouse share the interrupt
+ * so don't install interrupt handler twice.
+ */
+static void
+pckbc_js_intr_establish(sc, slot)
+       struct pckbc_softc *sc;
+       pckbc_slot_t slot;
+{
+       struct pckbc_js_softc *jsc = (struct pckbc_js_softc *)sc;
+       void *res;
+
+       if (jsc->jsc_establised) {
+#ifdef DEBUG
+               printf("%s: %s slot shares interrupt (already established)\n",
+                      sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
+#endif
+               return;
+       }
+
+       res = bus_intr_establish(sc->id->t_iot, jsc->jsc_intr,
+                                IPL_TTY, 0, pckbcintr, sc);
+       if (res == NULL)
+               printf("%s: unable to establish %s slot interrupt\n",
+                      sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
+       else
+               jsc->jsc_establised = 1;
+}
+
+
+/*
+ * MD hook for use without MI wscons.
+ * Called by pckbc_cnattach().
+ */
+int
+pckbc_machdep_cnattach(constag, slot)
+    pckbc_tag_t constag;
+    pckbc_slot_t slot;
+{
+
+#if !defined(__HAVE_NWSCONS) && defined(MSIIEP)
+       /* we do use wscons on krups! */
+       return (pckbd_cnattach(constag, slot));
+#else
+       return (0);
+#endif
+}