split bwtwo driver in sbus and obio parts.
This commit is contained in:
parent
74b698556b
commit
072b17778f
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@ -1,4 +1,4 @@
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/* $NetBSD: bwtwo.c,v 1.41 1999/05/19 08:31:42 pk Exp $ */
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/* $NetBSD: bwtwo.c,v 1.42 1999/08/10 04:56:30 christos Exp $ */
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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@ -111,105 +111,22 @@
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#include <sparc/dev/btreg.h>
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#include <sparc/dev/bwtworeg.h>
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#include <sparc/dev/sbusvar.h>
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#include <sparc/dev/bwtwovar.h>
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#include <sparc/dev/pfourreg.h>
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/* per-display variables */
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struct bwtwo_softc {
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struct device sc_dev; /* base device */
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struct sbusdev sc_sd; /* sbus device */
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struct fbdevice sc_fb; /* frame buffer device */
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bus_space_tag_t sc_bustag;
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bus_type_t sc_btype; /* phys address description */
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bus_addr_t sc_paddr; /* for device mmap() */
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volatile struct fbcontrol *sc_reg;/* control registers */
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int sc_pixeloffset; /* offset to framebuffer */
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/*
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* Additional overlay plane goo.
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*/
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int sc_ovtype; /* what kind of color fb? */
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#define BWO_NONE 0x00
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#define BWO_CGFOUR 0x01
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#define BWO_CGEIGHT 0x02
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/* Video status */
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int (*sc_get_video) __P((struct bwtwo_softc *));
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void (*sc_set_video) __P((struct bwtwo_softc *, int));
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};
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/* autoconfiguration driver */
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static void bwtwoattach_sbus __P((struct device *, struct device *, void *));
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static int bwtwomatch_sbus __P((struct device *, struct cfdata *, void *));
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static void bwtwoattach_obio __P((struct device *, struct device *, void *));
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static int bwtwomatch_obio __P((struct device *, struct cfdata *, void *));
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static void bwtwoattach __P((struct bwtwo_softc *, char *, int, int));
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static void bwtwounblank __P((struct device *));
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static int bwtwo_get_video_sun4 __P((struct bwtwo_softc *));
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static void bwtwo_set_video_sun4 __P((struct bwtwo_softc *, int));
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static int bwtwo_get_video_sun4c __P((struct bwtwo_softc *));
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static void bwtwo_set_video_sun4c __P((struct bwtwo_softc *, int));
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static int bwtwo_pfour_probe __P((void *, void *));
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/* cdevsw prototypes */
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cdev_decl(bwtwo);
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struct cfattach bwtwo_sbus_ca = {
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sizeof(struct bwtwo_softc), bwtwomatch_sbus, bwtwoattach_sbus
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};
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struct cfattach bwtwo_obio_ca = {
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sizeof(struct bwtwo_softc), bwtwomatch_obio, bwtwoattach_obio
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};
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extern struct cfdriver bwtwo_cd;
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/* XXX we do not handle frame buffer interrupts (do not know how) */
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static void bwtwounblank __P((struct device *));
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/* frame buffer generic driver */
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static struct fbdriver bwtwofbdriver = {
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bwtwounblank, bwtwoopen, bwtwoclose, bwtwoioctl, bwtwopoll, bwtwommap
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};
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extern int fbnode;
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extern struct tty *fbconstty;
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/*
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* Match a bwtwo.
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*/
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int
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bwtwomatch_sbus(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct sbus_attach_args *sa = aux;
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return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0);
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}
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int
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bwtwomatch_obio(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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union obio_attach_args *uoba = aux;
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struct obio4_attach_args *oba;
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if (uoba->uoba_isobio4 == 0)
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return (0);
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oba = &uoba->uoba_oba4;
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return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr,
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4, /* probe size */
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0, /* offset */
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0, /* flags */
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bwtwo_pfour_probe, cf));
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}
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int
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bwtwo_pfour_probe(vaddr, arg)
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void *vaddr;
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@ -230,194 +147,6 @@ bwtwo_pfour_probe(vaddr, arg)
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return (0);
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}
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/*
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* Attach a display. We need to notice if it is the console, too.
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*/
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void
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bwtwoattach_sbus(parent, self, args)
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struct device *parent, *self;
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void *args;
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{
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struct bwtwo_softc *sc = (struct bwtwo_softc *)self;
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struct sbus_attach_args *sa = args;
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struct fbdevice *fb = &sc->sc_fb;
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bus_space_handle_t bh;
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int isconsole, node;
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char *name;
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extern struct tty *fbconstty;
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node = sa->sa_node;
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/* Remember cookies for bwtwo_mmap() */
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sc->sc_bustag = sa->sa_bustag;
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sc->sc_btype = (bus_type_t)sa->sa_slot;
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sc->sc_paddr = (bus_addr_t)sa->sa_offset;
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fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags;
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fb->fb_type.fb_depth = 1;
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fb_setsize_obp(fb, fb->fb_type.fb_depth, 1152, 900, node);
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/*
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* When the ROM has mapped in a bwtwo display, the address
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* maps only the video RAM, hence we always map the control
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* registers ourselves. We only need the video RAM if we are
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* going to print characters via rconsole.
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*/
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if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
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sa->sa_offset + BWREG_REG,
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sizeof(struct fbcontrol),
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BUS_SPACE_MAP_LINEAR,
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0, &bh) != 0) {
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printf("%s: cannot map control registers\n", self->dv_xname);
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return;
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}
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sc->sc_reg = (struct fbcontrol *)bh;
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fb->fb_pfour = NULL;
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sc->sc_pixeloffset = BWREG_MEM;
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isconsole = node == fbnode && fbconstty != NULL;
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name = getpropstring(node, "model");
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/* Assume `bwtwo at sbus' only happens at sun4c's */
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sc->sc_get_video = bwtwo_get_video_sun4c;
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sc->sc_set_video = bwtwo_set_video_sun4c;
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if (sa->sa_npromvaddrs != 0)
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sc->sc_fb.fb_pixels = (caddr_t)sa->sa_promvaddrs[0];
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if (isconsole && sc->sc_fb.fb_pixels == NULL) {
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int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
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if (sbus_bus_map(sa->sa_bustag, sa->sa_slot,
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sa->sa_offset + sc->sc_pixeloffset,
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ramsize,
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BUS_SPACE_MAP_LINEAR,
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0, &bh) != 0) {
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printf("%s: cannot map pixels\n", self->dv_xname);
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return;
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}
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sc->sc_fb.fb_pixels = (char *)bh;
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}
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sbus_establish(&sc->sc_sd, &sc->sc_dev);
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bwtwoattach(sc, name, isconsole, node == fbnode);
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}
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void
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bwtwoattach_obio(parent, self, uax)
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struct device *parent, *self;
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void *uax;
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{
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struct bwtwo_softc *sc = (struct bwtwo_softc *)self;
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union obio_attach_args *uoba = uax;
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struct obio4_attach_args *oba;
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struct fbdevice *fb = &sc->sc_fb;
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struct eeprom *eep = (struct eeprom *)eeprom_va;
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bus_space_handle_t bh;
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int constype, isconsole;
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char *name;
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if (uoba->uoba_isobio4 == 0) {
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bwtwoattach_sbus(parent, self, &uoba->uoba_sbus);
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return;
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}
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oba = &uoba->uoba_oba4;
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/* Remember cookies for bwtwo_mmap() */
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sc->sc_bustag = oba->oba_bustag;
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sc->sc_btype = (bus_type_t)0;
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sc->sc_paddr = (bus_addr_t)oba->oba_paddr;
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fb->fb_flags = sc->sc_dev.dv_cfdata->cf_flags;
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fb->fb_type.fb_depth = 1;
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fb_setsize_eeprom(fb, fb->fb_type.fb_depth, 1152, 900);
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constype = (fb->fb_flags & FB_PFOUR) ? EE_CONS_P4OPT : EE_CONS_BW;
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if (eep == NULL || eep->eeConsole == constype)
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isconsole = (fbconstty != NULL);
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else
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isconsole = 0;
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if (fb->fb_flags & FB_PFOUR) {
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/*
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* Map the pfour control register.
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* Set pixel offset to appropriate overlay plane.
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*/
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name = "bwtwo/p4";
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if (obio_bus_map(oba->oba_bustag,
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oba->oba_paddr,
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0,
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sizeof(u_int32_t),
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BUS_SPACE_MAP_LINEAR,
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0, &bh) != 0) {
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printf("%s: cannot map pfour register\n",
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self->dv_xname);
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return;
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}
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fb->fb_pfour = (u_int32_t *)bh;
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sc->sc_reg = NULL;
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/*
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* Notice if this is an overlay plane on a color
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* framebuffer. Note that PFOUR_COLOR_OFF_OVERLAY
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* is the same as PFOUR_BW_OFF, but we use the
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* different names anyway.
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*/
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switch (PFOUR_ID(*fb->fb_pfour)) {
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case PFOUR_ID_COLOR8P1:
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sc->sc_ovtype = BWO_CGFOUR;
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sc->sc_pixeloffset = PFOUR_COLOR_OFF_OVERLAY;
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break;
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case PFOUR_ID_COLOR24:
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sc->sc_ovtype = BWO_CGEIGHT;
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sc->sc_pixeloffset = PFOUR_COLOR_OFF_OVERLAY;
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break;
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default:
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sc->sc_ovtype = BWO_NONE;
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sc->sc_pixeloffset = PFOUR_BW_OFF;
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break;
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}
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} else {
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/* A plain bwtwo */
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if (obio_bus_map(oba->oba_bustag,
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oba->oba_paddr,
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BWREG_REG,
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sizeof(struct fbcontrol),
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BUS_SPACE_MAP_LINEAR,
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0, &bh) != 0) {
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printf("%s: cannot map control registers\n",
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self->dv_xname);
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return;
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}
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sc->sc_reg = (struct fbcontrol *)bh;
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fb->fb_pfour = NULL;
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name = "bwtwo";
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sc->sc_pixeloffset = BWREG_MEM;
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}
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sc->sc_get_video = bwtwo_get_video_sun4;
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sc->sc_set_video = bwtwo_set_video_sun4;
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if (isconsole) {
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int ramsize = fb->fb_type.fb_height * fb->fb_linebytes;
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if (obio_bus_map(oba->oba_bustag, oba->oba_paddr,
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sc->sc_pixeloffset,
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ramsize,
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BUS_SPACE_MAP_LINEAR,
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0, &bh) != 0) {
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printf("%s: cannot map pixels\n", self->dv_xname);
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return;
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}
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sc->sc_fb.fb_pixels = (char *)bh;
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}
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bwtwoattach(sc, name, isconsole, 1);
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}
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void
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bwtwoattach(sc, name, isconsole, isfb)
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struct bwtwo_softc *sc;
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@ -488,7 +217,6 @@ bwtwoattach(sc, name, isconsole, isfb)
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}
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}
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int
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bwtwoopen(dev, flags, mode, p)
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dev_t dev;
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@ -588,67 +316,3 @@ bwtwommap(dev, off, prot)
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return ((int)bh);
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}
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static int
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bwtwo_get_video_sun4c(sc)
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struct bwtwo_softc *sc;
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{
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return ((sc->sc_reg->fbc_ctrl & FBC_VENAB) != 0);
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}
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static int
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bwtwo_get_video_sun4(sc)
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struct bwtwo_softc *sc;
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{
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if (sc->sc_fb.fb_flags & FB_PFOUR) {
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/*
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* This handles the overlay plane case, too.
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*/
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return (fb_pfour_get_video(&sc->sc_fb));
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} else
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return ((lduba(AC_SYSENABLE, ASI_CONTROL) & SYSEN_VIDEO) != 0);
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}
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static void
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bwtwo_set_video_sun4c(sc, enable)
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struct bwtwo_softc *sc;
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int enable;
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{
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if (enable)
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/*
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* If the we're the console the PROM will have taken care
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* of the FBC_TIMING bit and video control parameters. We
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* simply turn on FBC_TIMING; in case other video parameters
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* are necessary, here is a set read from an ELC:
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* [0xbb,0x2b,0x4,0x14,0xae,0x3,0xa8,0x24,0x1,0x5,0xff,0x1]
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*/
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sc->sc_reg->fbc_ctrl |= FBC_VENAB | FBC_TIMING;
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else
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sc->sc_reg->fbc_ctrl &= ~FBC_VENAB;
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}
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static void
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bwtwo_set_video_sun4(sc, enable)
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struct bwtwo_softc *sc;
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int enable;
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{
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if (sc->sc_fb.fb_flags & FB_PFOUR) {
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/*
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* This handles the overlay plane case, too.
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*/
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fb_pfour_set_video(&sc->sc_fb, enable);
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return;
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}
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if (enable)
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stba(AC_SYSENABLE, ASI_CONTROL,
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lduba(AC_SYSENABLE, ASI_CONTROL) | SYSEN_VIDEO);
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else
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stba(AC_SYSENABLE, ASI_CONTROL,
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lduba(AC_SYSENABLE, ASI_CONTROL) & ~SYSEN_VIDEO);
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return;
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}
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@ -0,0 +1,298 @@
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/* $NetBSD: bwtwo_obio.c,v 1.1 1999/08/10 04:56:30 christos Exp $ */
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* 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.
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
|
||||
* 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);
|
||||
}
|
|
@ -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);
|
||||
}
|
||||
|
|
@ -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 *));
|
Loading…
Reference in New Issue