aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/hw/sunLynx/sunLyUtil.c
diff options
context:
space:
mode:
authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
commitb16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch)
tree4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/programs/Xserver/hw/sunLynx/sunLyUtil.c
parent0d5a83e986f39982c0924652a3662e60b1f23162 (diff)
downloadnx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.gz
nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.bz2
nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.zip
massive reduction of unneeded files
Diffstat (limited to 'nx-X11/programs/Xserver/hw/sunLynx/sunLyUtil.c')
-rw-r--r--nx-X11/programs/Xserver/hw/sunLynx/sunLyUtil.c509
1 files changed, 0 insertions, 509 deletions
diff --git a/nx-X11/programs/Xserver/hw/sunLynx/sunLyUtil.c b/nx-X11/programs/Xserver/hw/sunLynx/sunLyUtil.c
deleted file mode 100644
index e260acfee..000000000
--- a/nx-X11/programs/Xserver/hw/sunLynx/sunLyUtil.c
+++ /dev/null
@@ -1,509 +0,0 @@
-/* $Xorg: sunLyUtil.c,v 1.3 2000/08/17 19:48:37 cpqbld Exp $ */
-/*
- * CG3 and CG6 utility functions for LynxOS, derived from NetBSD
- * Copyright 1996 by Thomas Mueller
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Thomas Mueller not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Thomas Mueller makes no representations
- * about the suitability of this software for any purpose. It is provided
- * "as is" without express or implied warranty.
- *
- * THOMAS MUELLER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THOMAS MUELLER BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- *
- */
-/* $XFree86: xc/programs/Xserver/hw/sunLynx/sunLyUtil.c,v 3.1 1996/12/27 06:51:42 dawes Exp $ */
-
-/* $NetBSD: bt_subr.c,v 1.4 1994/11/20 20:51:54 deraadt Exp $ */
-
-/*
- * Copyright (c) 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.
- *
- * @(#)bt_subr.c 8.2 (Berkeley) 1/21/94
- */
-
-/* adaption for LynxOS microSPARC 2.4.0 and X11R6[.1]
- * Copyright 1996 by Thomas Mueller <tm@systrix.de>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Thomas Mueller not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Thomas Mueller makes no representations
- * about the suitability of this software for any purpose. It is provided
- * "as is" without express or implied warranty.
- *
- * THOMAS MUELLER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THOMAS MUELLER BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- *
- */
-
-#include "sun.h"
-#include "btreg.h"
-#include "btvar.h"
-#include "cgsixreg.h"
-#define useracc(a,b,c) (1)
-
-/*
- * Common code for dealing with Brooktree video DACs.
- * (Contains some software-only code as well, since the colormap
- * ioctls are shared between the cgthree and cgsix drivers.)
- */
-
-/*
- * Implement an FBIOGETCMAP-like ioctl.
- */
-int
-bt_getcmap(struct fbcmap *p, union bt_cmap *cm, int cmsize)
-{
- u_int i;
- u_int start;
- u_int count;
- u_char *cp;
-
- start = p->index;
- count = p->count;
- if (start >= cmsize || start + count > cmsize)
- return (EINVAL);
- if (!useracc(p->red, count, B_WRITE) ||
- !useracc(p->green, count, B_WRITE) ||
- !useracc(p->blue, count, B_WRITE))
- return (EFAULT);
- for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 3, i++) {
- p->red[i] = cp[0];
- p->green[i] = cp[1];
- p->blue[i] = cp[2];
- }
- return (0);
-}
-
-/*
- * Implement the software portion of an FBIOPUTCMAP-like ioctl.
- */
-int
-bt_putcmap(struct fbcmap *p, union bt_cmap *cm, int cmsize)
-{
- u_int i;
- int start;
- int count;
- u_char *cp;
-
- start = p->index;
- count = p->count;
- if (start >= cmsize || start + count > cmsize)
- return (EINVAL);
- if (!useracc(p->red, count, B_READ) ||
- !useracc(p->green, count, B_READ) ||
- !useracc(p->blue, count, B_READ))
- return (EFAULT);
- for (cp = &cm->cm_map[start][0], i = 0; i < count; cp += 3, i++) {
- cp[0] = p->red[i];
- cp[1] = p->green[i];
- cp[2] = p->blue[i];
- }
- return (0);
-}
-
-union cursor_cmap { /* colormap, like bt_cmap, but tiny */
- u_char cm_map[2][3]; /* 2 R/G/B entries */
- u_int cm_chip[2]; /* 2 chip equivalents */
-};
-
-struct cg6_cursor { /* cg6 hardware cursor status */
- short cc_enable; /* cursor is enabled */
- struct fbcurpos cc_pos; /* position */
- struct fbcurpos cc_hot; /* hot-spot */
- struct fbcurpos cc_size; /* size of mask & image fields */
- u_int cc_bits[2][32]; /* space for mask & image bits */
- union cursor_cmap cc_color; /* cursor colormap */
-};
-
-static union bt_cmap sc_cmap; /* local copy of LUT */
-static int blanked = 1; /* to jump-start it ... */
-static struct cg6_cursor sc_cursor; /* cursor info */
-
-/*
- * Clean up hardware state (e.g., after bootup or after X crashes).
- */
-static void
-cg6_reset(fbFd * fb)
-{
- volatile struct cg6_tec_xxx *tec;
- int fhc;
- short fhcrev;
- volatile struct bt_regs *bt;
-
- /* hide the cursor, just in case */
- ((volatile struct cg6_thc *) (fb->thc))->thc_cursxy =
- (THC_CURSOFF << 16) | THC_CURSOFF;
-
- /* turn off frobs in transform engine (makes X11 work) */
- tec = fb->tec;
- tec->tec_mv = 0;
- tec->tec_clip = 0;
- tec->tec_vdc = 0;
-
- /* take care of hardware bugs in old revisions */
- fhcrev = (*(int *) fb->fhc >> FHC_REV_SHIFT) &
- (FHC_REV_MASK >> FHC_REV_SHIFT);
- if (fhcrev < 5) {
- /*
- * Keep current resolution; set cpu to 68020, set test
- * window (size 1Kx1K), and for rev 1, disable dest cache.
- */
- fhc = (*(int *) fb->fhc & FHC_RES_MASK) | FHC_CPU_68020 |
- FHC_TEST |
- (11 << FHC_TESTX_SHIFT) | (11 << FHC_TESTY_SHIFT);
- if (fhcrev < 2)
- fhc |= FHC_DST_DISABLE;
- *(int *) fb->fhc = fhc;
- }
- /* Enable cursor in Brooktree DAC. */
- bt = fb->ramdac;
- bt->bt_addr = 0x06 << 24;
- bt->bt_ctrl |= 0x03 << 24;
-}
-
-static void
-cg6_loadcursor(fbFd * fb)
-{
- volatile struct cg6_thc *thc;
- u_int edgemask;
- u_int m;
- int i;
-
- /*
- * Keep the top size.x bits. Here we *throw out* the top
- * size.x bits from an all-one-bits word, introducing zeros in
- * the top size.x bits, then invert all the bits to get what
- * we really wanted as our mask. But this fails if size.x is
- * 32---a sparc uses only the low 5 bits of the shift count---
- * so we have to special case that.
- */
- edgemask = ~0;
- if (sc_cursor.cc_size.x < 32)
- edgemask = ~(edgemask >> sc_cursor.cc_size.x);
- thc = (volatile struct cg6_thc *) fb->thc;
- for (i = 0; i < 32; i++) {
- m = sc_cursor.cc_bits[0][i] & edgemask;
- thc->thc_cursmask[i] = m;
- thc->thc_cursbits[i] = m & sc_cursor.cc_bits[1][i];
- }
-}
-
-static void
-cg6_setcursor(fbFd * fb)
-{
- /* we need to subtract the hot-spot value here */
-#define COORD(f) (sc_cursor.cc_pos.f - sc_cursor.cc_hot.f)
- ((volatile struct cg6_thc *) (fb->thc))->thc_cursxy = sc_cursor.cc_enable ?
- ((COORD(x) << 16) | (COORD(y) & 0xffff)) :
- (THC_CURSOFF << 16) | THC_CURSOFF;
-#undef COORD
-}
-
-/*
- * Load the cursor (overlay `foreground' and `background') colors.
- */
-static void
-cg6_loadomap(fbFd * fb)
-{
- volatile struct bt_regs *bt;
- u_int i;
-
- bt = (volatile struct bt_regs *) fb->ramdac;
- bt->bt_addr = 0x01 << 24; /* set background color */
- i = sc_cursor.cc_color.cm_chip[0];
- bt->bt_omap = i; /* R */
- bt->bt_omap = i << 8; /* G */
- bt->bt_omap = i << 16; /* B */
-
- bt->bt_addr = 0x03 << 24; /* set foreground color */
- bt->bt_omap = i << 24; /* R */
- i = sc_cursor.cc_color.cm_chip[1];
- bt->bt_omap = i; /* G */
- bt->bt_omap = i << 8; /* B */
-}
-
-/*
- * Load a subset of the current (new) colormap into the color DAC.
- */
-static void
-cg6_loadcmap(fbFd * fb, union bt_cmap *cm, int start, int ncolors)
-{
- volatile struct bt_regs *bt;
- u_int *ip;
- u_int i;
- int count;
-
- ip = &cm->cm_chip[BT_D4M3(start)]; /* start/4 * 3 */
- count = BT_D4M3(start + ncolors - 1) - BT_D4M3(start) + 3;
- bt = (struct bt_regs *) fb->ramdac;
- bt->bt_addr = BT_D4M4(start) << 24;
- while (--count >= 0) {
- i = *ip++;
- /* hardware that makes one want to pound boards with hammers */
- bt->bt_cmap = i;
- bt->bt_cmap = i << 8;
- bt->bt_cmap = i << 16;
- bt->bt_cmap = i << 24;
- }
-}
-
-/*
- * Undo the effect of an FBIOSVIDEO that turns the video off on a CG6
- */
-static void
-cg6_unblank(fbFd * dev)
-{
- volatile struct cg6_thc *thc = (volatile struct cg6_thc *) dev->thc;
- unsigned long x;
- unsigned long y;
-
- if (blanked) {
- thc->thc_misc = (thc->thc_misc & ~THC_MISC_VIDEN) | THC_MISC_VIDEN;
- }
- blanked = 0;
-}
-
-/*
- * Load a subset of the current (new) colormap into the Brooktree DAC.
- */
-static void
-cg3_loadcmap(fbFd * fb, union bt_cmap *cm, int start, int ncolors)
-{
- volatile struct bt_regs *bt;
- u_int *ip;
- int count;
-
- ip = &cm->cm_chip[BT_D4M3(start)]; /* start/4 * 3 */
- count = BT_D4M3(start + ncolors - 1) - BT_D4M3(start) + 3;
- bt = (struct bt_regs *) fb->ramdac;
- bt->bt_addr = BT_D4M4(start);
- while (--count >= 0)
- bt->bt_cmap = *ip++;
-}
-
-/*
- * Undo the effect of an FBIOSVIDEO that turns the video off on a CG3
- */
-static void
-cg3_unblank(fbFd * dev)
-{
- volatile struct bt_regs *bt;
-
- if (blanked) {
- bt = (struct bt_regs *) dev->ramdac;
- /* restore color 0 (and R of color 1) */
- bt->bt_addr = 0;
- bt->bt_cmap = sc_cmap.cm_chip[0];
-
- /* restore read mask */
- bt->bt_addr = 0x06; /* command reg */
- bt->bt_ctrl = 0x73; /* overlay plane */
- bt->bt_addr = 0x04; /* read mask */
- bt->bt_ctrl = 0xff; /* color planes */
- }
- blanked = 0;
-}
-
-int
-sunIoctl(fbFd * fb, int cmd, void *arg)
-{
- int error;
- int v;
- int i;
- u_int count;
- union cursor_cmap tcm;
-
- switch (cmd) {
- default:
- errno = EINVAL;
- return -1;
- case FBIOPUTCMAP:
-#define q ((struct fbcmap *)arg)
- if (error = bt_putcmap(q, &sc_cmap, 256))
- return error;
- if (fb->thc) { /* CG6 */
- cg6_loadcmap(fb, &sc_cmap, q->index, q->count);
- } else { /* CG3 */
- cg3_loadcmap(fb, &sc_cmap, q->index, q->count);
- }
- break;
- case FBIOSVIDEO:
- if (fb->thc) { /* CG6 */
- if (*(int *) arg)
- cg6_unblank(fb);
- else {
- if (!blanked) {
- volatile struct cg6_thc *thc =
- (volatile struct cg6_thc *) fb->thc;
-
- thc->thc_misc = (thc->thc_misc & ~THC_MISC_VIDEN);
- }
- blanked = 1;
- }
- } else { /* CG3 */
- if (*(int *) arg)
- cg3_unblank(fb);
- else {
- if (!blanked) {
- volatile struct bt_regs *bt;
-
- bt = (struct bt_regs *) fb->ramdac;
- bt->bt_addr = 0x06; /* command reg */
- bt->bt_ctrl = 0x70; /* overlay plane */
- bt->bt_addr = 0x04; /* read mask */
- bt->bt_ctrl = 0x00; /* color planes */
-
- /*
- * Set color 0 to black -- note that this overwrites R of
- * color 1.
- */
- bt->bt_addr = 0;
- bt->bt_cmap = 0;
-
- }
- blanked = 1;
- }
- }
- break;
-/* these are for both FBIOSCURSOR and FBIOGCURSOR */
-#define p ((struct fbcursor *)arg)
-#define cc (&sc_cursor)
-
- case FBIOSCURSOR:
- if (!fb->thc) { /* reject non CG6 */
- errno = EINVAL;
- return -1;
- }
- /*
- * For setcmap and setshape, verify parameters, so that
- * we do not get halfway through an update and then crap
- * out with the software state screwed up.
- */
- v = p->set;
- if (v & FB_CUR_SETCMAP) {
- /*
- * This use of a temporary copy of the cursor
- * colormap is not terribly efficient, but these
- * copies are small (8 bytes)...
- */
- tcm = cc->cc_color;
- error = bt_putcmap(&p->cmap, (union bt_cmap *) &tcm, 2);
- if (error)
- return (error);
- }
- if (v & FB_CUR_SETSHAPE) {
- if ((u_int) p->size.x > 32 || (u_int) p->size.y > 32)
- return (EINVAL);
- count = p->size.y * 32 / NBBY;
- if (!useracc(p->image, count, B_READ) ||
- !useracc(p->mask, count, B_READ))
- return (EFAULT);
- }
- /* parameters are OK; do it */
- if (v & (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT)) {
- if (v & FB_CUR_SETCUR)
- cc->cc_enable = p->enable;
- if (v & FB_CUR_SETPOS)
- cc->cc_pos = p->pos;
- if (v & FB_CUR_SETHOT)
- cc->cc_hot = p->hot;
- cg6_setcursor(fb);
- }
- if (v & FB_CUR_SETCMAP) {
- cc->cc_color = tcm;
- cg6_loadomap(fb); /* XXX defer to vertical retrace */
- }
- if (v & FB_CUR_SETSHAPE) {
- cc->cc_size = p->size;
- count = p->size.y * 32 / NBBY;
- bzero((caddr_t) cc->cc_bits, sizeof cc->cc_bits);
- bcopy(p->mask, (caddr_t) cc->cc_bits[0], count);
- bcopy(p->image, (caddr_t) cc->cc_bits[1], count);
- cg6_loadcursor(fb);
- }
- break;
- case FBIOSCURPOS:
- if (!fb->thc) { /* reject non CG6 */
- errno = EINVAL;
- return -1;
- }
- sc_cursor.cc_pos = *(struct fbcurpos *) arg;
- cg6_setcursor(fb);
- break;
-
- case FBIOGCURMAX:
- if (!fb->thc) { /* reject non CG6 */
- errno = EINVAL;
- return -1;
- }
- /* max cursor size is 32x32 */
- ((struct fbcurpos *) arg)->x = 32;
- ((struct fbcurpos *) arg)->y = 32;
- break;
- case FBIORESET:
- if (!fb->thc) { /* reject non CG6 */
- errno = EINVAL;
- return -1;
- }
- cg6_reset(fb);
- }
- return 0;
-}