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diff --git a/sys/arch/sparc/dev/tvtwo.c b/sys/arch/sparc/dev/tvtwo.c
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+/* $OpenBSD: tvtwo.c,v 1.1 2003/03/05 14:34:40 miod Exp $ */
+/*
+ * Copyright (c) 2003, Miodrag Vallat.
+ * 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.
+ *
+ * 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.
+ *
+ */
+
+/*
+ * Driver for the Parallax XVideo and PowerVideo graphics boards.
+ *
+ * Some details about these board are available at:
+ * http://www.jlw.com/~woolsey/parallax/support/developers/xvideotech.html
+ */
+
+/*
+ * The Parallax XVideo series frame buffers are 8/24-bit accelerated
+ * frame buffers, with hardware MPEG capabilities using a CCube chipset.
+ */
+
+/*
+ * Currently, this driver can only handle the 24-bit plane of the frame
+ * buffer, in an unaccelerated mode.
+ *
+ * TODO:
+ * - nvram handling
+ * - use the accelerator
+ * - interface to the c^3
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/buf.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 <uvm/uvm_extern.h>
+
+#include <machine/autoconf.h>
+#include <machine/pmap.h>
+#include <machine/cpu.h>
+#include <machine/conf.h>
+
+#include <dev/wscons/wsconsio.h>
+#include <dev/wscons/wsdisplayvar.h>
+#include <dev/wscons/wscons_raster.h>
+#include <dev/rasops/rasops.h>
+#include <machine/fbvar.h>
+
+#include <sparc/dev/sbusvar.h>
+
+/*
+ * The memory layout of the board is as follows:
+ *
+ * PROM0 000000 - 00ffff
+ * overlay plane 010000 - 037fff
+ * registers 040000 - 0404d0
+ * CCube 050000 - 05ffff
+ * 8-bit plane 080000 - 17ffff
+ * 24-bit plane 200000 - 6fffff
+ * PROM1 7f0000 - 7fffff
+ *
+ * All of this is mapped using only one register (except for older models
+ * which are not currently supported).
+ * At PROM initialization, the board will be in 24-bit mode, so no specific
+ * initialization is necessary.
+ */
+
+#define PX_PROM0_OFFSET 0x000000
+#define PX_OVERAY_OFFSET 0x010000
+#define PX_REG_OFFSET 0x040000
+#define PX_CCUBE_OFFSET 0x050000
+#define PX_PLANE8_OFFSET 0x080000
+#define PX_PLANE24_OFFSET 0x200000
+#define PX_PROM1_OFFSET 0x7f0000
+
+/*
+ * Partial registers layout
+ */
+
+#define PX_REG_DISPKLUDGE 0x00b8 /* write only */
+#define DISPKLUDGE_DEFAULT 0xc41f
+#define DISPKLUDGE_BLANK (1 << 12)
+
+#define PX_REG_BT463 0x0480
+
+#define PX_REG_SIZE 0x04d0
+
+
+/* per-display variables */
+struct tvtwo_softc {
+ struct sunfb sc_sunfb; /* common base device */
+ struct sbusdev sc_sd; /* sbus device */
+ struct rom_reg sc_phys;
+
+ volatile u_int8_t *sc_regs;
+
+ int sc_nscreens;
+};
+
+struct wsscreen_descr tvtwo_stdscreen = {
+ "std",
+};
+
+const struct wsscreen_descr *tvtwo_scrlist[] = {
+ &tvtwo_stdscreen,
+};
+
+struct wsscreen_list tvtwo_screenlist = {
+ sizeof(tvtwo_scrlist) / sizeof(struct wsscreen_descr *),
+ tvtwo_scrlist
+};
+
+int tvtwo_ioctl(void *, u_long, caddr_t, int, struct proc *);
+int tvtwo_alloc_screen(void *, const struct wsscreen_descr *, void **,
+ int *, int *, long *);
+void tvtwo_free_screen(void *, void *);
+int tvtwo_show_screen(void *, void *, int, void (*cb)(void *, int, int),
+ void *);
+paddr_t tvtwo_mmap(void *, off_t, int);
+void tvtwo_burner(void *, u_int, u_int);
+
+static __inline__ void tvtwo_ramdac_wraddr(struct tvtwo_softc *sc,
+ u_int32_t addr);
+void tvtwo_initcmap(struct tvtwo_softc *);
+
+struct wsdisplay_accessops tvtwo_accessops = {
+ tvtwo_ioctl,
+ tvtwo_mmap,
+ tvtwo_alloc_screen,
+ tvtwo_free_screen,
+ tvtwo_show_screen,
+ NULL, /* load_font */
+ NULL, /* scrollback */
+ NULL, /* getchar */
+ tvtwo_burner,
+};
+
+int tvtwomatch(struct device *, void *, void *);
+void tvtwoattach(struct device *, struct device *, void *);
+
+struct cfattach tvtwo_ca = {
+ sizeof(struct tvtwo_softc), tvtwomatch, tvtwoattach
+};
+
+struct cfdriver tvtwo_cd = {
+ NULL, "tvtwo", DV_DULL
+};
+
+/*
+ * Default frame buffer resolution, depending upon the "freqcode"
+ */
+const int defwidth[] = { 1152, 1152, 1152, 1024, 640, 1024 };
+const int defheight[] = { 900, 900, 900, 768, 480, 1024 };
+
+/*
+ * Match an XVideo or PowerVideo card.
+ */
+int
+tvtwomatch(struct device *parent, void *vcf, void *aux)
+{
+ struct confargs *ca = aux;
+ struct romaux *ra = &ca->ca_ra;
+
+ if (strcmp(ra->ra_name, "PGI,tvtwo") != 0)
+ return (0);
+
+ return (1);
+}
+
+/*
+ * Attach a display.
+ */
+void
+tvtwoattach(struct device *parent, struct device *self, void *args)
+{
+ struct tvtwo_softc *sc = (struct tvtwo_softc *)self;
+ struct confargs *ca = args;
+ struct wsemuldisplaydev_attach_args waa;
+ int node, width, height, freqcode;
+ int isconsole;
+ char *freqstring;
+
+ sc->sc_sunfb.sf_flags = self->dv_cfdata->cf_flags & FB_USERMASK;
+ node = ca->ca_ra.ra_node;
+
+ printf(": %s", getpropstring(node, "model"));
+ printf(", revision %s\n", getpropstring(node, "revision"));
+
+ /* We do not know how to handle older boards. */
+ if (ca->ca_ra.ra_nreg != 1) {
+ printf("%s: old-style boards with %d registers are not supported\n",
+ self->dv_xname, ca->ca_ra.ra_nreg);
+ return;
+ }
+
+ isconsole = node == fbnode;
+
+ /* Map registers. */
+ sc->sc_regs = mapiodev(ca->ca_ra.ra_reg, PX_REG_OFFSET, PX_REG_SIZE);
+
+ /* Compute framebuffer size. */
+ freqstring = getpropstring(node, "freqcode");
+ freqcode = (int)*freqstring;
+ if (freqcode == 'g')
+ freqcode = '6';
+ if (freqcode < '1' || freqcode > '6')
+ freqcode = 0;
+ else
+ freqcode -= '1';
+
+ width = getpropint(node, "hres", defwidth[freqcode]);
+ height = getpropint(node, "vres", defheight[freqcode]);
+ fb_setsize(&sc->sc_sunfb, 32, width, height,
+ node, ca->ca_bustype);
+
+ /* Map the frame buffer memory area we're interested in. */
+ sc->sc_phys = ca->ca_ra.ra_reg[0];
+ sc->sc_sunfb.sf_ro.ri_bits = mapiodev(ca->ca_ra.ra_reg,
+ PX_PLANE24_OFFSET, round_page(sc->sc_sunfb.sf_fbsize));
+
+ /* Initialize a direct color map. */
+ tvtwo_initcmap(sc);
+
+ sc->sc_sunfb.sf_ro.ri_hw = sc;
+ fbwscons_init(&sc->sc_sunfb, isconsole);
+
+ tvtwo_stdscreen.capabilities = sc->sc_sunfb.sf_ro.ri_caps;
+ tvtwo_stdscreen.nrows = sc->sc_sunfb.sf_ro.ri_rows;
+ tvtwo_stdscreen.ncols = sc->sc_sunfb.sf_ro.ri_cols;
+ tvtwo_stdscreen.textops = &sc->sc_sunfb.sf_ro.ri_ops;
+
+ printf("%s: %dx%d\n", self->dv_xname,
+ sc->sc_sunfb.sf_width, sc->sc_sunfb.sf_height);
+
+ if (isconsole) {
+ fbwscons_console_init(&sc->sc_sunfb,
+ &tvtwo_stdscreen, -1, NULL);
+ }
+
+ sbus_establish(&sc->sc_sd, &sc->sc_sunfb.sf_dev);
+
+ waa.console = isconsole;
+ waa.scrdata = &tvtwo_screenlist;
+ waa.accessops = &tvtwo_accessops;
+ waa.accesscookie = sc;
+ config_found(self, &waa, wsemuldisplaydevprint);
+}
+
+int
+tvtwo_ioctl(void *dev, u_long cmd, caddr_t data, int flags, struct proc *p)
+{
+ struct tvtwo_softc *sc = dev;
+ struct wsdisplay_fbinfo *wdf;
+
+ switch (cmd) {
+ case WSDISPLAYIO_GTYPE:
+ *(u_int *)data = WSDISPLAY_TYPE_SUN24;
+ break;
+ case WSDISPLAYIO_GINFO:
+ wdf = (struct wsdisplay_fbinfo *)data;
+ wdf->height = sc->sc_sunfb.sf_height;
+ wdf->width = sc->sc_sunfb.sf_width;
+ wdf->depth = sc->sc_sunfb.sf_depth;
+ wdf->cmsize = 0;
+ break;
+ case WSDISPLAYIO_LINEBYTES:
+ *(u_int *)data = sc->sc_sunfb.sf_linebytes;
+ break;
+
+ case WSDISPLAYIO_GETCMAP:
+ case WSDISPLAYIO_PUTCMAP:
+ break;
+
+ case WSDISPLAYIO_SVIDEO:
+ case WSDISPLAYIO_GVIDEO:
+ case WSDISPLAYIO_GCURPOS:
+ case WSDISPLAYIO_SCURPOS:
+ case WSDISPLAYIO_GCURMAX:
+ case WSDISPLAYIO_GCURSOR:
+ case WSDISPLAYIO_SCURSOR:
+ default:
+ return (-1);
+ }
+
+ return (0);
+}
+
+/*
+ * Return the address that would map the given device at the given
+ * offset, allowing for the given protection, or return -1 for error.
+ */
+paddr_t
+tvtwo_mmap(void *v, off_t offset, int prot)
+{
+ struct tvtwo_softc *sc = v;
+
+ if (offset & PGOFSET)
+ return (-1);
+
+ /* Allow mapping as a dumb framebuffer from offset 0 */
+ if (offset >= 0 && offset < sc->sc_sunfb.sf_fbsize) {
+ return (REG2PHYS(&sc->sc_phys,
+ PX_PLANE24_OFFSET + offset) | PMAP_NC);
+ }
+
+ return (-1);
+}
+
+int
+tvtwo_alloc_screen(void *v, const struct wsscreen_descr *type,
+ void **cookiep, int *curxp, int *curyp, long *attrp)
+{
+ struct tvtwo_softc *sc = v;
+
+ if (sc->sc_nscreens > 0)
+ return (ENOMEM);
+
+ *cookiep = &sc->sc_sunfb.sf_ro;
+ *curyp = 0;
+ *curxp = 0;
+ sc->sc_sunfb.sf_ro.ri_ops.alloc_attr(&sc->sc_sunfb.sf_ro,
+ 0, 0, 0, attrp);
+ sc->sc_nscreens++;
+ return (0);
+}
+
+void
+tvtwo_free_screen(void *v, void *cookie)
+{
+ struct tvtwo_softc *sc = v;
+
+ sc->sc_nscreens--;
+}
+
+int
+tvtwo_show_screen(void *v, void *cookie, int waitok,
+ void (*cb)(void *, int, int), void *cbarg)
+{
+ return (0);
+}
+
+/*
+ * Simple Bt463 programming routines.
+ */
+
+static __inline__ void
+tvtwo_ramdac_wraddr(struct tvtwo_softc *sc, u_int32_t addr)
+{
+ volatile u_int32_t *dac = (u_int32_t *)(sc->sc_regs + PX_REG_BT463);
+
+ dac[0] = (addr & 0xff); /* lo addr */
+ dac[1] = ((addr >> 8) & 0xff); /* hi addr */
+}
+
+void
+tvtwo_initcmap(struct tvtwo_softc *sc)
+{
+ volatile u_int32_t *dac = (u_int32_t *)(sc->sc_regs + PX_REG_BT463);
+ u_int32_t c;
+
+ tvtwo_ramdac_wraddr(sc, 0);
+ for (c = 0; c < 256; c++) {
+ dac[3] = c; /* R */
+ dac[3] = c; /* G */
+ dac[3] = c; /* B */
+ }
+}
+
+void
+tvtwo_burner(void *v, u_int on, u_int flags)
+{
+ struct tvtwo_softc *sc = v;
+ volatile u_int32_t *dispkludge =
+ (u_int32_t *)(sc->sc_regs + PX_REG_DISPKLUDGE);
+
+ if (on)
+ *dispkludge = DISPKLUDGE_DEFAULT & ~DISPKLUDGE_BLANK;
+ else
+ *dispkludge = DISPKLUDGE_DEFAULT | DISPKLUDGE_BLANK;
+}
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