split bwtwo driver in sbus and obio parts.

This commit is contained in:
christos 1999-08-10 04:56:30 +00:00
parent 74b698556b
commit 072b17778f
4 changed files with 655 additions and 339 deletions

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@ -1,4 +1,4 @@
/* $NetBSD: bwtwo.c,v 1.41 1999/05/19 08:31:42 pk Exp $ */
/* $NetBSD: bwtwo.c,v 1.42 1999/08/10 04:56:30 christos Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
@ -111,105 +111,22 @@
#include <sparc/dev/btreg.h>
#include <sparc/dev/bwtworeg.h>
#include <sparc/dev/sbusvar.h>
#include <sparc/dev/bwtwovar.h>
#include <sparc/dev/pfourreg.h>
/* per-display variables */
struct bwtwo_softc {
struct device sc_dev; /* base device */
struct sbusdev sc_sd; /* sbus device */
struct fbdevice sc_fb; /* frame buffer device */
bus_space_tag_t sc_bustag;
bus_type_t sc_btype; /* phys address description */
bus_addr_t sc_paddr; /* for device mmap() */
volatile struct fbcontrol *sc_reg;/* control registers */
int sc_pixeloffset; /* offset to framebuffer */
/*
* Additional overlay plane goo.
*/
int sc_ovtype; /* what kind of color fb? */
#define BWO_NONE 0x00
#define BWO_CGFOUR 0x01
#define BWO_CGEIGHT 0x02
/* Video status */
int (*sc_get_video) __P((struct bwtwo_softc *));
void (*sc_set_video) __P((struct bwtwo_softc *, int));
};
/* autoconfiguration driver */
static void bwtwoattach_sbus __P((struct device *, struct device *, void *));
static int bwtwomatch_sbus __P((struct device *, struct cfdata *, void *));
static void bwtwoattach_obio __P((struct device *, struct device *, void *));
static int bwtwomatch_obio __P((struct device *, struct cfdata *, void *));
static void bwtwoattach __P((struct bwtwo_softc *, char *, int, int));
static void bwtwounblank __P((struct device *));
static int bwtwo_get_video_sun4 __P((struct bwtwo_softc *));
static void bwtwo_set_video_sun4 __P((struct bwtwo_softc *, int));
static int bwtwo_get_video_sun4c __P((struct bwtwo_softc *));
static void bwtwo_set_video_sun4c __P((struct bwtwo_softc *, int));
static int bwtwo_pfour_probe __P((void *, void *));
/* cdevsw prototypes */
cdev_decl(bwtwo);
struct cfattach bwtwo_sbus_ca = {
sizeof(struct bwtwo_softc), bwtwomatch_sbus, bwtwoattach_sbus
};
struct cfattach bwtwo_obio_ca = {
sizeof(struct bwtwo_softc), bwtwomatch_obio, bwtwoattach_obio
};
extern struct cfdriver bwtwo_cd;
/* XXX we do not handle frame buffer interrupts (do not know how) */
static void bwtwounblank __P((struct device *));
/* frame buffer generic driver */
static struct fbdriver bwtwofbdriver = {
bwtwounblank, bwtwoopen, bwtwoclose, bwtwoioctl, bwtwopoll, bwtwommap
};
extern int fbnode;
extern struct tty *fbconstty;
/*
* Match a bwtwo.
*/
int
bwtwomatch_sbus(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct sbus_attach_args *sa = aux;
return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0);
}
int
bwtwomatch_obio(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
union obio_attach_args *uoba = aux;
struct obio4_attach_args *oba;
if (uoba->uoba_isobio4 == 0)
return (0);
oba = &uoba->uoba_oba4;
return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr,
4, /* probe size */
0, /* offset */
0, /* flags */
bwtwo_pfour_probe, cf));
}
int
bwtwo_pfour_probe(vaddr, arg)
void *vaddr;
@ -230,194 +147,6 @@ bwtwo_pfour_probe(vaddr, arg)
return (0);
}
/*
* Attach a display. We need to notice if it is the console, too.
*/
void
bwtwoattach_sbus(parent, self, args)
struct device *parent, *self;
void *args;
{
struct bwtwo_softc *sc = (struct bwtwo_softc *)self;
struct sbus_attach_args *sa = args;
struct fbdevice *fb = &sc->sc_fb;
bus_space_handle_t bh;
int isconsole, node;
char *name;
extern struct tty *fbconstty;
node = sa->sa_node;
/* Remember cookies for bwtwo_mmap() */
sc->sc_bustag = sa->sa_bustag;
sc->sc_btype = (bus_type_t)sa->sa_slot;
sc->sc_paddr = (bus_addr_t)sa->sa_offset;
fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags;
fb->fb_type.fb_depth = 1;
fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node);
/*
* When the ROM has mapped in a bwtwo display, the address
* maps only the video RAM, hence we always map the control
* registers ourselves. We only need the video RAM if we are
* going to print characters via rconsole.
*/
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + BWREG_REG,
sizeof(struct fbcontrol),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map control registers\n", self->dv_xname);
return;
}
sc->sc_reg = (struct fbcontrol *)bh;
fb->fb_pfour = NULL;
sc->sc_pixeloffset = BWREG_MEM;
isconsole = node == fbnode && fbconstty != NULL;
name = getpropstring(node, "model");
/* Assume `bwtwo at sbus' only happens at sun4c's */
sc->sc_get_video = bwtwo_get_video_sun4c;
sc->sc_set_video = bwtwo_set_video_sun4c;
if (sa->sa_npromvaddrs != 0)
sc->sc_fb.fb_pixels = (caddr_t)sa->sa_promvaddrs[0];
if (isconsole && sc->sc_fb.fb_pixels == NULL) {
int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + sc->sc_pixeloffset,
ramsize,
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map pixels\n", self->dv_xname);
return;
}
sc->sc_fb.fb_pixels = (char *)bh;
}
sbus_establish(&sc->sc_sd, &sc->sc_dev);
bwtwoattach(sc, name, isconsole, node == fbnode);
}
void
bwtwoattach_obio(parent, self, uax)
struct device *parent, *self;
void *uax;
{
struct bwtwo_softc *sc = (struct bwtwo_softc *)self;
union obio_attach_args *uoba = uax;
struct obio4_attach_args *oba;
struct fbdevice *fb = &sc->sc_fb;
struct eeprom *eep = (struct eeprom *)eeprom_va;
bus_space_handle_t bh;
int constype, isconsole;
char *name;
if (uoba->uoba_isobio4 == 0) {
bwtwoattach_sbus(parent, self, &uoba->uoba_sbus);
return;
}
oba = &uoba->uoba_oba4;
/* Remember cookies for bwtwo_mmap() */
sc->sc_bustag = oba->oba_bustag;
sc->sc_btype = (bus_type_t)0;
sc->sc_paddr = (bus_addr_t)oba->oba_paddr;
fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags;
fb->fb_type.fb_depth = 1;
fb_setsize_eeprom(fb, fb->fb_type.fb_depth, 1152, 900);
constype = (fb->fb_flags & FB_PFOUR) ? EE_CONS_P4OPT : EE_CONS_BW;
if (eep == NULL || eep->eeConsole == constype)
isconsole = (fbconstty != NULL);
else
isconsole = 0;
if (fb->fb_flags & FB_PFOUR) {
/*
* Map the pfour control register.
* Set pixel offset to appropriate overlay plane.
*/
name = "bwtwo/p4";
if (obio_bus_map(oba->oba_bustag,
oba->oba_paddr,
0,
sizeof(u_int32_t),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map pfour register\n",
self->dv_xname);
return;
}
fb->fb_pfour = (u_int32_t *)bh;
sc->sc_reg = NULL;
/*
* Notice if this is an overlay plane on a color
* framebuffer. Note that PFOUR_COLOR_OFF_OVERLAY
* is the same as PFOUR_BW_OFF, but we use the
* different names anyway.
*/
switch (PFOUR_ID(*fb->fb_pfour)) {
case PFOUR_ID_COLOR8P1:
sc->sc_ovtype = BWO_CGFOUR;
sc->sc_pixeloffset = PFOUR_COLOR_OFF_OVERLAY;
break;
case PFOUR_ID_COLOR24:
sc->sc_ovtype = BWO_CGEIGHT;
sc->sc_pixeloffset = PFOUR_COLOR_OFF_OVERLAY;
break;
default:
sc->sc_ovtype = BWO_NONE;
sc->sc_pixeloffset = PFOUR_BW_OFF;
break;
}
} else {
/* A plain bwtwo */
if (obio_bus_map(oba->oba_bustag,
oba->oba_paddr,
BWREG_REG,
sizeof(struct fbcontrol),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map control registers\n",
self->dv_xname);
return;
}
sc->sc_reg = (struct fbcontrol *)bh;
fb->fb_pfour = NULL;
name = "bwtwo";
sc->sc_pixeloffset = BWREG_MEM;
}
sc->sc_get_video = bwtwo_get_video_sun4;
sc->sc_set_video = bwtwo_set_video_sun4;
if (isconsole) {
int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
if (obio_bus_map(oba->oba_bustag, oba->oba_paddr,
sc->sc_pixeloffset,
ramsize,
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map pixels\n", self->dv_xname);
return;
}
sc->sc_fb.fb_pixels = (char *)bh;
}
bwtwoattach(sc, name, isconsole, 1);
}
void
bwtwoattach(sc, name, isconsole, isfb)
struct bwtwo_softc *sc;
@ -488,7 +217,6 @@ bwtwoattach(sc, name, isconsole, isfb)
}
}
int
bwtwoopen(dev, flags, mode, p)
dev_t dev;
@ -588,67 +316,3 @@ bwtwommap(dev, off, prot)
return ((int)bh);
}
static int
bwtwo_get_video_sun4c(sc)
struct bwtwo_softc *sc;
{
return ((sc->sc_reg->fbc_ctrl & FBC_VENAB) != 0);
}
static int
bwtwo_get_video_sun4(sc)
struct bwtwo_softc *sc;
{
if (sc->sc_fb.fb_flags & FB_PFOUR) {
/*
* This handles the overlay plane case, too.
*/
return (fb_pfour_get_video(&sc->sc_fb));
} else
return ((lduba(AC_SYSENABLE, ASI_CONTROL) & SYSEN_VIDEO) != 0);
}
static void
bwtwo_set_video_sun4c(sc, enable)
struct bwtwo_softc *sc;
int enable;
{
if (enable)
/*
* If the we're the console the PROM will have taken care
* of the FBC_TIMING bit and video control parameters. We
* simply turn on FBC_TIMING; in case other video parameters
* are necessary, here is a set read from an ELC:
* [0xbb,0x2b,0x4,0x14,0xae,0x3,0xa8,0x24,0x1,0x5,0xff,0x1]
*/
sc->sc_reg->fbc_ctrl |= FBC_VENAB | FBC_TIMING;
else
sc->sc_reg->fbc_ctrl &= ~FBC_VENAB;
}
static void
bwtwo_set_video_sun4(sc, enable)
struct bwtwo_softc *sc;
int enable;
{
if (sc->sc_fb.fb_flags & FB_PFOUR) {
/*
* This handles the overlay plane case, too.
*/
fb_pfour_set_video(&sc->sc_fb, enable);
return;
}
if (enable)
stba(AC_SYSENABLE, ASI_CONTROL,
lduba(AC_SYSENABLE, ASI_CONTROL) | SYSEN_VIDEO);
else
stba(AC_SYSENABLE, ASI_CONTROL,
lduba(AC_SYSENABLE, ASI_CONTROL) & ~SYSEN_VIDEO);
return;
}

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@ -0,0 +1,298 @@
/* $NetBSD: bwtwo_obio.c,v 1.1 1999/08/10 04:56:30 christos Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)bwtwo.c 8.1 (Berkeley) 6/11/93
*/
/*
* black&white display (bwtwo) driver.
*
* Does not handle interrupts, even though they can occur.
*
* P4 and overlay plane support by Jason R. Thorpe <thorpej@NetBSD.ORG>.
* Overlay plane handling hints and ideas provided by Brad Spencer.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/tty.h>
#include <sys/conf.h>
#include <vm/vm.h>
#include <machine/fbio.h>
#include <machine/autoconf.h>
#include <machine/pmap.h>
#include <machine/fbvar.h>
#include <machine/eeprom.h>
#include <machine/ctlreg.h>
#include <machine/conf.h>
#include <sparc/sparc/asm.h>
#include <sparc/dev/btreg.h>
#include <sparc/dev/bwtworeg.h>
#include <sparc/dev/bwtwovar.h>
#include <sparc/dev/pfourreg.h>
/* autoconfiguration driver */
static void bwtwoattach_obio __P((struct device *, struct device *, void *));
static int bwtwomatch_obio __P((struct device *, struct cfdata *, void *));
struct cfattach bwtwo_obio_ca = {
sizeof(struct bwtwo_softc), bwtwomatch_obio, bwtwoattach_obio
};
static int bwtwo_get_video_sun4 __P((struct bwtwo_softc *));
static void bwtwo_set_video_sun4 __P((struct bwtwo_softc *, int));
extern int fbnode;
extern struct tty *fbconstty;
static int
bwtwomatch_obio(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
union obio_attach_args *uoba = aux;
struct obio4_attach_args *oba;
if (uoba->uoba_isobio4 == 0)
return (0);
oba = &uoba->uoba_oba4;
return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr,
4, /* probe size */
0, /* offset */
0, /* flags */
bwtwo_pfour_probe, cf));
}
static void
bwtwoattach_obio(parent, self, uax)
struct device *parent, *self;
void *uax;
{
struct bwtwo_softc *sc = (struct bwtwo_softc *)self;
union obio_attach_args *uoba = uax;
struct obio4_attach_args *oba;
struct fbdevice *fb = &sc->sc_fb;
struct eeprom *eep = (struct eeprom *)eeprom_va;
bus_space_handle_t bh;
int constype, isconsole;
char *name;
oba = &uoba->uoba_oba4;
/* Remember cookies for bwtwo_mmap() */
sc->sc_bustag = oba->oba_bustag;
sc->sc_btype = (bus_type_t)0;
sc->sc_paddr = (bus_addr_t)oba->oba_paddr;
fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags;
fb->fb_type.fb_depth = 1;
fb_setsize_eeprom(fb, fb->fb_type.fb_depth, 1152, 900);
constype = (fb->fb_flags & FB_PFOUR) ? EE_CONS_P4OPT : EE_CONS_BW;
if (eep == NULL || eep->eeConsole == constype)
isconsole = (fbconstty != NULL);
else
isconsole = 0;
if (fb->fb_flags & FB_PFOUR) {
/*
* Map the pfour control register.
* Set pixel offset to appropriate overlay plane.
*/
name = "bwtwo/p4";
if (obio_bus_map(oba->oba_bustag,
oba->oba_paddr,
0,
sizeof(u_int32_t),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map pfour register\n",
self->dv_xname);
return;
}
fb->fb_pfour = (u_int32_t *)bh;
sc->sc_reg = NULL;
/*
* Notice if this is an overlay plane on a color
* framebuffer. Note that PFOUR_COLOR_OFF_OVERLAY
* is the same as PFOUR_BW_OFF, but we use the
* different names anyway.
*/
switch (PFOUR_ID(*fb->fb_pfour)) {
case PFOUR_ID_COLOR8P1:
sc->sc_ovtype = BWO_CGFOUR;
sc->sc_pixeloffset = PFOUR_COLOR_OFF_OVERLAY;
break;
case PFOUR_ID_COLOR24:
sc->sc_ovtype = BWO_CGEIGHT;
sc->sc_pixeloffset = PFOUR_COLOR_OFF_OVERLAY;
break;
default:
sc->sc_ovtype = BWO_NONE;
sc->sc_pixeloffset = PFOUR_BW_OFF;
break;
}
} else {
/* A plain bwtwo */
if (obio_bus_map(oba->oba_bustag,
oba->oba_paddr,
BWREG_REG,
sizeof(struct fbcontrol),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map control registers\n",
self->dv_xname);
return;
}
sc->sc_reg = (struct fbcontrol *)bh;
fb->fb_pfour = NULL;
name = "bwtwo";
sc->sc_pixeloffset = BWREG_MEM;
}
sc->sc_get_video = bwtwo_get_video_sun4;
sc->sc_set_video = bwtwo_set_video_sun4;
if (isconsole) {
int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
if (obio_bus_map(oba->oba_bustag, oba->oba_paddr,
sc->sc_pixeloffset,
ramsize,
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map pixels\n", self->dv_xname);
return;
}
sc->sc_fb.fb_pixels = (char *)bh;
}
bwtwoattach(sc, name, isconsole, 1);
}
static void
bwtwo_set_video_sun4(sc, enable)
struct bwtwo_softc *sc;
int enable;
{
if (sc->sc_fb.fb_flags & FB_PFOUR) {
/*
* This handles the overlay plane case, too.
*/
fb_pfour_set_video(&sc->sc_fb, enable);
return;
}
if (enable)
stba(AC_SYSENABLE, ASI_CONTROL,
lduba(AC_SYSENABLE, ASI_CONTROL) | SYSEN_VIDEO);
else
stba(AC_SYSENABLE, ASI_CONTROL,
lduba(AC_SYSENABLE, ASI_CONTROL) & ~SYSEN_VIDEO);
return;
}
static int
bwtwo_get_video_sun4(sc)
struct bwtwo_softc *sc;
{
if (sc->sc_fb.fb_flags & FB_PFOUR) {
/*
* This handles the overlay plane case, too.
*/
return (fb_pfour_get_video(&sc->sc_fb));
} else
return ((lduba(AC_SYSENABLE, ASI_CONTROL) & SYSEN_VIDEO) != 0);
}

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@ -0,0 +1,246 @@
/* $NetBSD: bwtwo_sbus.c,v 1.1 1999/08/10 04:56:30 christos Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)bwtwo.c 8.1 (Berkeley) 6/11/93
*/
/*
* black&white display (bwtwo) driver.
*
* Does not handle interrupts, even though they can occur.
*
* P4 and overlay plane support by Jason R. Thorpe <thorpej@NetBSD.ORG>.
* Overlay plane handling hints and ideas provided by Brad Spencer.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/tty.h>
#include <sys/conf.h>
#include <vm/vm.h>
#include <machine/fbio.h>
#include <machine/autoconf.h>
#include <machine/pmap.h>
#include <machine/fbvar.h>
#include <machine/eeprom.h>
#include <machine/ctlreg.h>
#include <machine/conf.h>
#include <sparc/sparc/asm.h>
#include <sparc/dev/btreg.h>
#include <sparc/dev/bwtworeg.h>
#include <sparc/dev/bwtwovar.h>
#include <sparc/dev/sbusvar.h>
#include <sparc/dev/pfourreg.h>
/* autoconfiguration driver */
static void bwtwoattach_sbus __P((struct device *, struct device *, void *));
static int bwtwomatch_sbus __P((struct device *, struct cfdata *, void *));
struct cfattach bwtwo_sbus_ca = {
sizeof(struct bwtwo_softc), bwtwomatch_sbus, bwtwoattach_sbus
};
static int bwtwo_get_video_sun4c __P((struct bwtwo_softc *));
static void bwtwo_set_video_sun4c __P((struct bwtwo_softc *, int));
extern int fbnode;
extern struct tty *fbconstty;
/*
* Match a bwtwo.
*/
static int
bwtwomatch_sbus(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct sbus_attach_args *sa = aux;
return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0);
}
/*
* Attach a display. We need to notice if it is the console, too.
*/
void
bwtwoattach_sbus(parent, self, args)
struct device *parent, *self;
void *args;
{
struct bwtwo_softc *sc = (struct bwtwo_softc *)self;
struct sbus_attach_args *sa = args;
struct fbdevice *fb = &sc->sc_fb;
bus_space_handle_t bh;
int isconsole, node;
char *name;
extern struct tty *fbconstty;
node = sa->sa_node;
/* Remember cookies for bwtwo_mmap() */
sc->sc_bustag = sa->sa_bustag;
sc->sc_btype = (bus_type_t)sa->sa_slot;
sc->sc_paddr = (bus_addr_t)sa->sa_offset;
fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags;
fb->fb_type.fb_depth = 1;
fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node);
/*
* When the ROM has mapped in a bwtwo display, the address
* maps only the video RAM, hence we always map the control
* registers ourselves. We only need the video RAM if we are
* going to print characters via rconsole.
*/
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + BWREG_REG,
sizeof(struct fbcontrol),
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map control registers\n", self->dv_xname);
return;
}
sc->sc_reg = (struct fbcontrol *)bh;
fb->fb_pfour = NULL;
sc->sc_pixeloffset = BWREG_MEM;
isconsole = node == fbnode && fbconstty != NULL;
name = getpropstring(node, "model");
/* Assume `bwtwo at sbus' only happens at sun4c's */
sc->sc_get_video = bwtwo_get_video_sun4c;
sc->sc_set_video = bwtwo_set_video_sun4c;
if (sa->sa_npromvaddrs != 0)
sc->sc_fb.fb_pixels = (caddr_t)sa->sa_promvaddrs[0];
if (isconsole && sc->sc_fb.fb_pixels == NULL) {
int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
sa->sa_offset + sc->sc_pixeloffset,
ramsize,
BUS_SPACE_MAP_LINEAR,
0, &bh) != 0) {
printf("%s: cannot map pixels\n", self->dv_xname);
return;
}
sc->sc_fb.fb_pixels = (char *)bh;
}
sbus_establish(&sc->sc_sd, &sc->sc_dev);
bwtwoattach(sc, name, isconsole, node == fbnode);
}
static void
bwtwo_set_video_sun4c(sc, enable)
struct bwtwo_softc *sc;
int enable;
{
if (enable)
/*
* If the we're the console the PROM will have taken care
* of the FBC_TIMING bit and video control parameters. We
* simply turn on FBC_TIMING; in case other video parameters
* are necessary, here is a set read from an ELC:
* [0xbb,0x2b,0x4,0x14,0xae,0x3,0xa8,0x24,0x1,0x5,0xff,0x1]
*/
sc->sc_reg->fbc_ctrl |= FBC_VENAB | FBC_TIMING;
else
sc->sc_reg->fbc_ctrl &= ~FBC_VENAB;
}
static int
bwtwo_get_video_sun4c(sc)
struct bwtwo_softc *sc;
{
return ((sc->sc_reg->fbc_ctrl & FBC_VENAB) != 0);
}

View File

@ -0,0 +1,108 @@
/* $NetBSD: bwtwovar.h,v 1.1 1999/08/10 04:56:30 christos Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)bwtwo.c 8.1 (Berkeley) 6/11/93
*/
/* per-display variables */
struct bwtwo_softc {
struct device sc_dev; /* base device */
struct sbusdev sc_sd; /* sbus device */
struct fbdevice sc_fb; /* frame buffer device */
bus_space_tag_t sc_bustag;
bus_type_t sc_btype; /* phys address description */
bus_addr_t sc_paddr; /* for device mmap() */
volatile struct fbcontrol *sc_reg;/* control registers */
int sc_pixeloffset; /* offset to framebuffer */
/*
* Additional overlay plane goo.
*/
int sc_ovtype; /* what kind of color fb? */
#define BWO_NONE 0x00
#define BWO_CGFOUR 0x01
#define BWO_CGEIGHT 0x02
/* Video status */
int (*sc_get_video) __P((struct bwtwo_softc *));
void (*sc_set_video) __P((struct bwtwo_softc *, int));
};
void bwtwoattach __P((struct bwtwo_softc *, char *, int, int));
int bwtwo_pfour_probe __P((void *, void *));