Module Name: xsrc
Committed By: macallan
Date: Fri Nov 12 18:58:14 UTC 2021
Added Files:
xsrc/external/mit/xf86-video-mgx/dist: configure
xsrc/external/mit/xf86-video-mgx/dist/src: compat-api.h mgx.h
mgx_accel.c mgx_cursor.c mgx_driver.c
Log Message:
crude beginnings of a driver for the Southland Media / Quantum 3D MGX
basic acceleration mostly works in 24bit colour
needs native hw cursor code
windowmaker produces visible artifacts, but it's good enough to run amiwm and
a few xterms
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 xsrc/external/mit/xf86-video-mgx/dist/configure
cvs rdiff -u -r0 -r1.1 xsrc/external/mit/xf86-video-mgx/dist/src/compat-api.h \
xsrc/external/mit/xf86-video-mgx/dist/src/mgx.h \
xsrc/external/mit/xf86-video-mgx/dist/src/mgx_accel.c \
xsrc/external/mit/xf86-video-mgx/dist/src/mgx_cursor.c \
xsrc/external/mit/xf86-video-mgx/dist/src/mgx_driver.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: xsrc/external/mit/xf86-video-mgx/dist/configure
diff -u /dev/null xsrc/external/mit/xf86-video-mgx/dist/configure:1.1
--- /dev/null Fri Nov 12 18:58:14 2021
+++ xsrc/external/mit/xf86-video-mgx/dist/configure Fri Nov 12 18:58:14 2021
@@ -0,0 +1,8 @@
+#! /bin/sh
+
+# Identity of this package.
+PACKAGE_NAME='xf86-video-mgx'
+PACKAGE_TARNAME='xf86-video-mgx'
+PACKAGE_VERSION='0.0.1'
+PACKAGE_STRING='xf86-video-mgx 0.0.1'
+PACKAGE_BUGREPORT='https://bugs.freedesktop.org/enter_bug.cgi?product=xorg'
Index: xsrc/external/mit/xf86-video-mgx/dist/src/compat-api.h
diff -u /dev/null xsrc/external/mit/xf86-video-mgx/dist/src/compat-api.h:1.1
--- /dev/null Fri Nov 12 18:58:14 2021
+++ xsrc/external/mit/xf86-video-mgx/dist/src/compat-api.h Fri Nov 12 18:58:14 2021
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2012 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Dave Airlie <[email protected]>
+ */
+
+/* this file provides API compat between server post 1.13 and pre it,
+ it should be reused inside as many drivers as possible */
+#ifndef COMPAT_API_H
+#define COMPAT_API_H
+
+#ifndef GLYPH_HAS_GLYPH_PICTURE_ACCESSOR
+#define GetGlyphPicture(g, s) GlyphPicture((g))[(s)->myNum]
+#define SetGlyphPicture(g, s, p) GlyphPicture((g))[(s)->myNum] = p
+#endif
+
+#ifndef XF86_HAS_SCRN_CONV
+#define xf86ScreenToScrn(s) xf86Screens[(s)->myNum]
+#define xf86ScrnToScreen(s) screenInfo.screens[(s)->scrnIndex]
+#endif
+
+#ifndef XF86_SCRN_INTERFACE
+
+#define SCRN_ARG_TYPE int
+#define SCRN_INFO_PTR(arg1) ScrnInfoPtr pScrn = xf86Screens[(arg1)]
+
+#define SCREEN_ARG_TYPE int
+#define SCREEN_PTR(arg1) ScreenPtr pScreen = screenInfo.screens[(arg1)]
+
+#define SCREEN_INIT_ARGS_DECL int i, ScreenPtr pScreen, int argc, char **argv
+
+#define BLOCKHANDLER_ARGS_DECL int arg, pointer blockData, pointer pTimeout, pointer pReadmask
+#define BLOCKHANDLER_ARGS arg, blockData, pTimeout, pReadmask
+
+#define CLOSE_SCREEN_ARGS_DECL int scrnIndex, ScreenPtr pScreen
+#define CLOSE_SCREEN_ARGS scrnIndex, pScreen
+
+#define ADJUST_FRAME_ARGS_DECL int arg, int x, int y, int flags
+#define ADJUST_FRAME_ARGS(arg, x, y) (arg)->scrnIndex, x, y, 0
+
+#define SWITCH_MODE_ARGS_DECL int arg, DisplayModePtr mode, int flags
+#define SWITCH_MODE_ARGS(arg, m) (arg)->scrnIndex, m, 0
+
+#define FREE_SCREEN_ARGS_DECL int arg, int flags
+
+#define VT_FUNC_ARGS_DECL int arg, int flags
+#define VT_FUNC_ARGS pScrn->scrnIndex, 0
+
+#define XF86_SCRN_ARG(x) ((x)->scrnIndex)
+#else
+#define SCRN_ARG_TYPE ScrnInfoPtr
+#define SCRN_INFO_PTR(arg1) ScrnInfoPtr pScrn = (arg1)
+
+#define SCREEN_ARG_TYPE ScreenPtr
+#define SCREEN_PTR(arg1) ScreenPtr pScreen = (arg1)
+
+#define SCREEN_INIT_ARGS_DECL ScreenPtr pScreen, int argc, char **argv
+
+#define BLOCKHANDLER_ARGS_DECL ScreenPtr arg, pointer pTimeout, pointer pReadmask
+#define BLOCKHANDLER_ARGS arg, pTimeout, pReadmask
+
+#define CLOSE_SCREEN_ARGS_DECL ScreenPtr pScreen
+#define CLOSE_SCREEN_ARGS pScreen
+
+#define ADJUST_FRAME_ARGS_DECL ScrnInfoPtr arg, int x, int y
+#define ADJUST_FRAME_ARGS(arg, x, y) arg, x, y
+
+#define SWITCH_MODE_ARGS_DECL ScrnInfoPtr arg, DisplayModePtr mode
+#define SWITCH_MODE_ARGS(arg, m) arg, m
+
+#define FREE_SCREEN_ARGS_DECL ScrnInfoPtr arg
+
+#define VT_FUNC_ARGS_DECL ScrnInfoPtr arg
+#define VT_FUNC_ARGS pScrn
+
+#define XF86_SCRN_ARG(x) (x)
+
+#endif
+
+#endif
Index: xsrc/external/mit/xf86-video-mgx/dist/src/mgx.h
diff -u /dev/null xsrc/external/mit/xf86-video-mgx/dist/src/mgx.h:1.1
--- /dev/null Fri Nov 12 18:58:14 2021
+++ xsrc/external/mit/xf86-video-mgx/dist/src/mgx.h Fri Nov 12 18:58:14 2021
@@ -0,0 +1,91 @@
+/*
+ * TCX framebuffer - defines.
+ *
+ * Copyright (C) 2000 Jakub Jelinek ([email protected])
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * JAKUB JELINEK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MGX_H
+#define MGX_H
+
+#define MMIO_IS_BE
+
+#include "xorg-server.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "compiler.h"
+#include "xf86RamDac.h"
+#include <X11/Xmd.h>
+#include "gcstruct.h"
+#include "xf86sbusBus.h"
+#include "exa.h"
+
+#include <dev/wscons/wsconsio.h>
+
+#include "compat-api.h"
+
+typedef struct {
+ uint8_t *fb;
+ uint8_t *blt;
+ sbusDevicePtr psdp;
+ CloseScreenProcPtr CloseScreen;
+ struct wsdisplay_cursor cursor;
+ Bool HWCursor, NoAccel;
+ int vramsize; /* size of the fb */
+ int maskoffset;
+ xf86CursorInfoPtr CursorInfoRec;
+ OptionInfoPtr Options;
+ ExaDriverPtr pExa;
+ uint32_t dec;
+ int offset;
+} MgxRec, *MgxPtr;
+
+Bool MgxInitAccel(ScreenPtr);
+Bool MgxSetupCursor(ScreenPtr);
+
+#define GET_MGX_FROM_SCRN(p) ((MgxPtr)((p)->driverPrivate))
+
+static inline void MgxWrite1(MgxPtr pMgx, int offset, uint8_t val)
+{
+ MMIO_OUT8(pMgx->blt, offset ^ 3, val);
+}
+
+static inline void MgxWrite2(MgxPtr pMgx, int offset, uint16_t val)
+{
+ MMIO_OUT16(pMgx->blt, offset ^ 2, val);
+}
+
+static inline void MgxWrite4(MgxPtr pMgx, int offset, uint32_t val)
+{
+ MMIO_OUT32(pMgx->blt, offset, val);
+}
+
+static inline uint8_t MgxRead1(MgxPtr pMgx, int offset)
+{
+ uint8_t val = MMIO_IN8(pMgx->blt, offset ^ 3);
+ return val;
+}
+
+static inline uint32_t MgxRead4(MgxPtr pMgx, int offset)
+{
+ uint32_t val = MMIO_IN32(pMgx->blt, offset);
+ return val;
+}
+
+#endif /* MGX_H */
Index: xsrc/external/mit/xf86-video-mgx/dist/src/mgx_accel.c
diff -u /dev/null xsrc/external/mit/xf86-video-mgx/dist/src/mgx_accel.c:1.1
--- /dev/null Fri Nov 12 18:58:14 2021
+++ xsrc/external/mit/xf86-video-mgx/dist/src/mgx_accel.c Fri Nov 12 18:58:14 2021
@@ -0,0 +1,393 @@
+/*
+ * Southland Media MGX - hardware acceleration.
+ *
+ * Copyright (C) 2021 Michael Lorenz
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * MICHAEL LORENZ BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* $NetBSD: mgx_accel.c,v 1.1 2021/11/12 18:58:14 macallan Exp $ */
+
+#include <sys/types.h>
+
+#include "mgx.h"
+#include <dev/sbus/mgxreg.h>
+
+//#define DEBUG
+
+#ifdef DEBUG
+#define ENTER xf86Msg(X_ERROR, "%s\n", __func__)
+#define LEAVE xf86Msg(X_ERROR, "%s done\n", __func__)
+#define DBGMSG xf86Msg
+#else
+#define ENTER
+#define DBGMSG if (0) xf86Msg
+#define LEAVE
+#endif
+
+/* Translation from X ROP's to APM ROP's. */
+static unsigned char apmROP[] = {
+ 0,
+ 0x88,
+ 0x44,
+ 0xCC,
+ 0x22,
+ 0xAA,
+ 0x66,
+ 0xEE,
+ 0x11,
+ 0x99,
+ 0x55,
+ 0xDD,
+ 0x33,
+ 0xBB,
+ 0x77,
+ 0xFF
+};
+
+static void
+MgxWaitMarker(ScreenPtr pScreen, int Marker)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ int bail = 0x0fffffff;
+ uint8_t stat;
+
+ ENTER;
+ do {
+ stat = MgxRead1(pMgx, ATR_BLT_STATUS);
+ if ((stat & (BLT_HOST_BUSY | BLT_ENGINE_BUSY)) == 0)
+ break;
+ bail--;
+ } while (bail < 0);
+ if (bail == 0) DBGMSG(X_ERROR, "%s timed out\n", __func__);
+ LEAVE;
+}
+
+static void
+MgxWait(MgxPtr pMgx)
+{
+ int bail = 10000;
+ uint8_t stat;
+
+ ENTER;
+ do {
+ stat = MgxRead1(pMgx, ATR_BLT_STATUS);
+ if ((stat & (BLT_HOST_BUSY | BLT_ENGINE_BUSY)) == 0)
+ break;
+ bail--;
+ } while (bail < 0);
+ if (bail == 0) DBGMSG(X_ERROR, "%s timed out\n", __func__);
+ LEAVE;
+}
+
+static void
+MgxWaitFifo(MgxPtr pMgx, int depth)
+{
+ unsigned int i;
+ uint8_t stat;
+
+ ENTER;
+
+ for (i = 100000; i != 0; i--) {
+ stat = MgxRead1(pMgx, ATR_FIFO_STATUS);
+ stat = (stat & FIFO_MASK) >> FIFO_SHIFT;
+ DBGMSG(X_ERROR, "%s %x\n", __func__, stat);
+ if (stat >= depth)
+ break;
+ MgxWrite1(pMgx, ATR_FIFO_STATUS, 0);
+ }
+ if (i == 0) xf86Msg(X_ERROR, "%s timed out\n", __func__);
+ LEAVE;
+}
+
+static Bool
+MgxPrepareCopy
+(
+ PixmapPtr pSrcPixmap,
+ PixmapPtr pDstPixmap,
+ int xdir,
+ int ydir,
+ int alu,
+ Pixel planemask
+)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ int srcpitch = exaGetPixmapPitch(pSrcPixmap);
+ int srcoff = exaGetPixmapOffset(pSrcPixmap);
+
+ ENTER;
+
+ DBGMSG(X_ERROR, "%s %d %d\n", __func__, srcoff, srcpitch);
+ pMgx->offset = srcoff / srcpitch;
+
+ MgxWaitFifo(pMgx, 1);
+ MgxWrite1(pMgx, ATR_ROP, apmROP[alu]);
+ LEAVE;
+ return TRUE;
+}
+
+static void
+MgxCopy
+(
+ PixmapPtr pDstPixmap,
+ int xs,
+ int ys,
+ int xd,
+ int yd,
+ int wi,
+ int he
+)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ int dstpitch = exaGetPixmapPitch(pDstPixmap);
+ int dstoff = exaGetPixmapOffset(pDstPixmap);
+ uint32_t dec = pMgx->dec;
+
+ ENTER;
+
+ if (dstoff > 0 || 1) {
+ DBGMSG(X_ERROR, "%s %d %d\n", __func__, dstoff, dstpitch);
+ yd += dstoff / dstpitch;
+ }
+ ys += pMgx->offset;
+
+ dec |= (DEC_COMMAND_BLT << DEC_COMMAND_SHIFT) |
+ (DEC_START_DIMX << DEC_START_SHIFT);
+
+ if ((xs < xd) && (ys == yd) && ((xd - xs) < wi)) {
+ xs += wi - 1;
+ xd += wi - 1;
+ dec |= DEC_DIR_X_REVERSE;
+ }
+ if (ys < yd) {
+ ys += he - 1;
+ yd += he - 1;
+ dec |= DEC_DIR_Y_REVERSE;
+ }
+
+ DBGMSG(X_ERROR, "%s %d %d %d %d -> %d %d\n", __func__, xs, ys, wi, he, xd, yd);
+ MgxWaitFifo(pMgx, 4);
+ MgxWrite4(pMgx, ATR_DEC, dec);
+ MgxWrite4(pMgx, ATR_SRC_XY, (ys << 16) | xs);
+ MgxWrite4(pMgx, ATR_DST_XY, (yd << 16) | xd);
+ MgxWrite4(pMgx, ATR_WH, (he << 16) | wi);
+
+ exaMarkSync(pDstPixmap->drawable.pScreen);
+ LEAVE;
+}
+
+static void
+MgxDoneCopy(PixmapPtr pDstPixmap)
+{
+ ENTER;
+ LEAVE;
+}
+
+static Bool
+MgxPrepareSolid(
+ PixmapPtr pPixmap,
+ int alu,
+ Pixel planemask,
+ Pixel fg)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ uint32_t dec;
+
+ ENTER;
+ dec = pMgx->dec;
+ dec |= (DEC_COMMAND_RECT << DEC_COMMAND_SHIFT) |
+ (DEC_START_DIMX << DEC_START_SHIFT);
+ MgxWaitFifo(pMgx, 3);
+ MgxWrite1(pMgx, ATR_ROP, apmROP[alu]);
+ MgxWrite4(pMgx, ATR_FG, /*bswap32*/(fg));
+ MgxWrite4(pMgx, ATR_DEC, dec);
+ LEAVE;
+ return TRUE;
+}
+
+static void
+MgxSolid(
+ PixmapPtr pPixmap,
+ int x1,
+ int y1,
+ int x2,
+ int y2)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pPixmap->drawable.pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ int w = x2 - x1, h = y2 - y1, dstoff, dstpitch;
+ int pitch = exaGetPixmapPitch(pPixmap);
+ int offset = exaGetPixmapOffset(pPixmap);
+
+ ENTER;
+ if (offset > 0) {
+ DBGMSG(X_ERROR, "%s %d %d\n", __func__, offset, pitch);
+ y1 += offset / pitch;
+ }
+ DBGMSG(X_ERROR, "%s %d %d %d %d\n", __func__, x1, y1, w, h);
+
+ MgxWaitFifo(pMgx, 2);
+ MgxWrite4(pMgx, ATR_DST_XY, (y1 << 16) | x1);
+ MgxWrite4(pMgx, ATR_WH, (h << 16) | w);
+ exaMarkSync(pPixmap->drawable.pScreen);
+ LEAVE;
+}
+
+/*
+ * Memcpy-based UTS.
+ */
+static Bool
+MgxUploadToScreen(PixmapPtr pDst, int x, int y, int w, int h,
+ char *srcc, int src_pitch)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ uint32_t *dst = (uint32_t *)(pMgx->fb + exaGetPixmapOffset(pDst));
+ uint32_t *src = (uint32_t *)srcc;
+ int i, dst_pitch = exaGetPixmapPitch(pDst) >> 2;
+
+ ENTER;
+ dst += x + (y * dst_pitch);
+
+ MgxWait(pMgx);
+
+ while (h--) {
+ for (i = 0; i < w; i++) dst[i] = /*bswap32*/(src[i]);
+ src += src_pitch >> 2;
+ dst += dst_pitch;
+ LEAVE;
+ }
+ return TRUE;
+}
+
+/*
+ * Memcpy-based DFS.
+ */
+static Bool
+MgxDownloadFromScreen(PixmapPtr pSrc, int x, int y, int w, int h,
+ char *dstt, int dst_pitch)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pSrc->drawable.pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ uint32_t *src = (uint32_t *)(pMgx->fb + exaGetPixmapOffset(pSrc));
+ uint32_t *dst = (uint32_t *)dstt;
+ int i, src_pitch = exaGetPixmapPitch(pSrc) >> 2;
+
+ ENTER;
+ src += x + (y * src_pitch);
+
+ MgxWait(pMgx);
+
+ while (h--) {
+ for (i = 0; i < w; i++) dst[i] = /*bswap32*/(src[i]);
+ src += src_pitch;
+ dst += dst_pitch >> 2;
+ }
+ LEAVE;
+ return TRUE;
+}
+
+Bool
+MgxInitAccel(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ ExaDriverPtr pExa;
+ int lines;
+ uint32_t ap;
+ uint8_t reg;
+
+ pExa = exaDriverAlloc();
+ if (!pExa)
+ return FALSE;
+
+ pMgx->pExa = pExa;
+
+ pExa->exa_major = EXA_VERSION_MAJOR;
+ pExa->exa_minor = EXA_VERSION_MINOR;
+
+ pExa->memoryBase = pMgx->fb;
+ lines = (pMgx->vramsize - 0x1000) / (pScrn->displayWidth * 4);
+ DBGMSG(X_ERROR, "lines %d\n", lines);
+ pExa->memorySize = lines * pScrn->displayWidth * 4;
+ pExa->offScreenBase = pScrn->displayWidth * pScrn->virtualY * 4;
+ pExa->pixmapOffsetAlign = pScrn->displayWidth * 4;
+ pExa->pixmapPitchAlign = pScrn->displayWidth * 4;
+
+ pExa->flags = EXA_OFFSCREEN_PIXMAPS | EXA_MIXED_PIXMAPS;
+
+ pExa->maxX = 2048;
+ pExa->maxY = 2048;
+
+ pExa->WaitMarker = MgxWaitMarker;
+ pExa->PrepareSolid = MgxPrepareSolid;
+ pExa->Solid = MgxSolid;
+ pExa->DoneSolid = MgxDoneCopy;
+ pExa->PrepareCopy = MgxPrepareCopy;
+ pExa->Copy = MgxCopy;
+ pExa->DoneCopy = MgxDoneCopy;
+
+ MgxWait(pMgx);
+
+ /* XXX support other colour depths */
+ reg = MgxRead1(pMgx, ATR_PIXEL);
+ DBGMSG(X_ERROR, "pixel %x\n", reg);
+ reg &= ~PIXEL_DEPTH_MASK;
+ reg |= PIXEL_32;
+ MgxWrite1(pMgx, ATR_PIXEL, reg);
+ pMgx->dec = DEC_DEPTH_32 << DEC_DEPTH_SHIFT;
+
+ ap = MgxRead4(pMgx, ATR_APERTURE);
+ MgxWrite2(pMgx, ATR_APERTURE, 0xffff);
+ ap = MgxRead4(pMgx, ATR_APERTURE);
+
+ switch (pScrn->displayWidth) {
+ case 640:
+ pMgx->dec |= DEC_WIDTH_640 << DEC_WIDTH_SHIFT;
+ break;
+ case 800:
+ pMgx->dec |= DEC_WIDTH_800 << DEC_WIDTH_SHIFT;
+ break;
+ case 1024:
+ pMgx->dec |= DEC_WIDTH_1024 << DEC_WIDTH_SHIFT;
+ break;
+ case 1152:
+ pMgx->dec |= DEC_WIDTH_1152 << DEC_WIDTH_SHIFT;
+ break;
+ case 1280:
+ pMgx->dec |= DEC_WIDTH_1280 << DEC_WIDTH_SHIFT;
+ break;
+ case 1600:
+ pMgx->dec |= DEC_WIDTH_1600 << DEC_WIDTH_SHIFT;
+ break;
+ default:
+ return FALSE; /* not supported */
+ }
+
+ /*
+ * the fb is endian-twiddled and we don't know how to turn it off,
+ * so we convert data when copying stuff in and out
+ */
+ pExa->UploadToScreen = MgxUploadToScreen;
+ pExa->DownloadFromScreen = MgxDownloadFromScreen;
+ return exaDriverInit(pScreen, pExa);
+}
Index: xsrc/external/mit/xf86-video-mgx/dist/src/mgx_cursor.c
diff -u /dev/null xsrc/external/mit/xf86-video-mgx/dist/src/mgx_cursor.c:1.1
--- /dev/null Fri Nov 12 18:58:14 2021
+++ xsrc/external/mit/xf86-video-mgx/dist/src/mgx_cursor.c Fri Nov 12 18:58:14 2021
@@ -0,0 +1,183 @@
+/* $NetBSD: mgx_cursor.c,v 1.1 2021/11/12 18:58:14 macallan Exp $ */
+/*
+ * Copyright (c) 2005 Michael Lorenz
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT HOLDERS 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.
+ *
+ */
+
+/*
+ * fugly copypasta for now
+ * the mgx at sbus driver lets us run wsdisplay ioctl()s on the fb device
+ * will replace with direct hw access eventually
+ */
+
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/endian.h>
+#include <dev/wscons/wsconsio.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#include "mgx.h"
+
+static void MgxLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
+static void MgxSetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
+static void MgxSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
+
+static void
+MgxLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
+{
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ int err, i;
+
+ pMgx->cursor.which = WSDISPLAY_CURSOR_DOALL;
+ pMgx->cursor.image = src;
+ pMgx->cursor.mask = src + pMgx->maskoffset;
+ if(ioctl(pMgx->psdp->fd, WSDISPLAYIO_SCURSOR, &pMgx->cursor) == -1)
+ xf86Msg(X_ERROR, "MgxLoadCursorImage: %d\n", errno);
+}
+
+void
+MgxShowCursor(ScrnInfoPtr pScrn)
+{
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+
+ pMgx->cursor.which = WSDISPLAY_CURSOR_DOCUR;
+ pMgx->cursor.enable = 1;
+ if(ioctl(pMgx->psdp->fd, WSDISPLAYIO_SCURSOR, &pMgx->cursor) == -1)
+ xf86Msg(X_ERROR, "MgxShowCursor: %d\n", errno);
+}
+
+void
+MgxHideCursor(ScrnInfoPtr pScrn)
+{
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+
+ pMgx->cursor.which = WSDISPLAY_CURSOR_DOCUR;
+ pMgx->cursor.enable = 0;
+ if(ioctl(pMgx->psdp->fd, WSDISPLAYIO_SCURSOR, &pMgx->cursor) == -1)
+ xf86Msg(X_ERROR, "MgxHideCursor: %d\n", errno);
+}
+
+static void
+MgxSetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
+{
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ int xoff = 0, yoff = 0;
+
+ pMgx->cursor.which = WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT;
+
+ if (x < 0) {
+ xoff = -x;
+ x = 0;
+ }
+ if (y < 0) {
+ yoff = -y;
+ y = 0;
+ }
+
+ pMgx->cursor.pos.x = x;
+ pMgx->cursor.hot.x = xoff;
+ pMgx->cursor.pos.y = y;
+ pMgx->cursor.hot.y = yoff;
+
+ if(ioctl(pMgx->psdp->fd, WSDISPLAYIO_SCURSOR, &pMgx->cursor) == -1)
+ xf86Msg(X_ERROR, "MgxSetCursorPosition: %d\n", errno);
+}
+
+static void
+MgxSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
+{
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ u_char r[4], g[4], b[4];
+
+ pMgx->cursor.which = WSDISPLAY_CURSOR_DOCMAP;
+ pMgx->cursor.cmap.red = r;
+ pMgx->cursor.cmap.green = g;
+ pMgx->cursor.cmap.blue = b;
+ r[1] = fg & 0xff;
+ g[1] = (fg & 0xff00) >> 8;
+ b[1] = (fg & 0xff0000) >> 16;
+ r[0] = bg & 0xff;
+ g[0] = (bg & 0xff00) >> 8;
+ b[0] = (bg & 0xff0000) >> 16;
+ pMgx->cursor.cmap.index = 0;
+ pMgx->cursor.cmap.count = 2;
+ if(ioctl(pMgx->psdp->fd, WSDISPLAYIO_SCURSOR, &pMgx->cursor) == -1)
+ xf86Msg(X_ERROR, "MgxSetCursorColors: %d\n", errno);
+}
+
+Bool
+MgxSetupCursor(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ xf86CursorInfoPtr infoPtr;
+
+ pMgx->cursor.pos.x = 0;
+ pMgx->cursor.pos.y = 0;
+ pMgx->cursor.enable = 0;
+
+ infoPtr = xf86CreateCursorInfoRec();
+ if(!infoPtr) return FALSE;
+
+ pMgx->CursorInfoRec = infoPtr;
+ if(ioctl(pMgx->psdp->fd, WSDISPLAYIO_GCURMAX, &pMgx->cursor.size) == -1) {
+ xf86Msg(X_WARNING, "No HW cursor support found\n");
+ return FALSE;
+ }
+
+ xf86Msg(X_INFO, "HW cursor enabled\n");
+
+ infoPtr->MaxWidth = pMgx->cursor.size.x;
+ infoPtr->MaxHeight = pMgx->cursor.size.y;
+ pMgx->maskoffset = ( pMgx->cursor.size.x >> 3) * pMgx->cursor.size.y;
+
+ pMgx->cursor.hot.x = 0;
+ pMgx->cursor.hot.y = 0;
+ pMgx->cursor.which = WSDISPLAY_CURSOR_DOHOT | WSDISPLAY_CURSOR_DOCUR |
+ WSDISPLAY_CURSOR_DOPOS;
+ if(ioctl(pMgx->psdp->fd, WSDISPLAYIO_SCURSOR, &pMgx->cursor) == -1)
+ xf86Msg(X_ERROR, "WSDISPLAYIO_SCURSOR: %d\n", errno);
+
+ infoPtr->Flags = HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
+ HARDWARE_CURSOR_TRUECOLOR_AT_8BPP
+/* XXX not sure why exactly we need this */
+#if BYTE_ORDER == BIG_ENDIAN
+ | HARDWARE_CURSOR_BIT_ORDER_MSBFIRST
+#endif
+ ;
+ infoPtr->SetCursorColors = MgxSetCursorColors;
+ infoPtr->SetCursorPosition = MgxSetCursorPosition;
+ infoPtr->LoadCursorImage = MgxLoadCursorImage;
+ infoPtr->HideCursor = MgxHideCursor;
+ infoPtr->ShowCursor = MgxShowCursor;
+ infoPtr->UseHWCursor = NULL;
+
+ return xf86InitCursor(pScreen, infoPtr);
+}
Index: xsrc/external/mit/xf86-video-mgx/dist/src/mgx_driver.c
diff -u /dev/null xsrc/external/mit/xf86-video-mgx/dist/src/mgx_driver.c:1.1
--- /dev/null Fri Nov 12 18:58:14 2021
+++ xsrc/external/mit/xf86-video-mgx/dist/src/mgx_driver.c Fri Nov 12 18:58:14 2021
@@ -0,0 +1,796 @@
+/*
+ * Southland Media MGX framebuffer driver.
+ *
+ * Copyright (C) 2021 Michael Lorenz
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * JAKUB JELINEK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <dev/sun/fbio.h>
+#include <dev/wscons/wsconsio.h>
+
+#include "mgx.h"
+
+#include "mipointer.h"
+#include "micmap.h"
+
+#include "fb.h"
+
+#include <dev/sbus/mgxreg.h>
+
+static const OptionInfoRec * MgxAvailableOptions(int chipid, int busid);
+static void MgxIdentify(int flags);
+static Bool MgxProbe(DriverPtr drv, int flags);
+static Bool MgxPreInit(ScrnInfoPtr pScrn, int flags);
+static Bool MgxScreenInit(SCREEN_INIT_ARGS_DECL);
+static Bool MgxEnterVT(VT_FUNC_ARGS_DECL);
+static void MgxLeaveVT(VT_FUNC_ARGS_DECL);
+static Bool MgxCloseScreen(CLOSE_SCREEN_ARGS_DECL);
+static Bool MgxSaveScreen(ScreenPtr pScreen, int mode);
+
+/* Required if the driver supports mode switching */
+static Bool MgxSwitchMode(SWITCH_MODE_ARGS_DECL);
+/* Required if the driver supports moving the viewport */
+static void MgxAdjustFrame(ADJUST_FRAME_ARGS_DECL);
+
+/* Optional functions */
+static void MgxFreeScreen(FREE_SCREEN_ARGS_DECL);
+static ModeStatus MgxValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode,
+ Bool verbose, int flags);
+
+void MgxSync(ScrnInfoPtr pScrn);
+
+static Bool MgxDriverFunc(ScrnInfoPtr, xorgDriverFuncOp, pointer);
+
+
+#define MGX_VERSION 0001
+#define MGX_NAME "MGX"
+#define MGX_DRIVER_NAME "mgx"
+#define MGX_MAJOR_VERSION PACKAGE_VERSION_MAJOR
+#define MGX_MINOR_VERSION PACKAGE_VERSION_MINOR
+#define MGX_PATCHLEVEL PACKAGE_VERSION_PATCHLEVEL
+
+/*
+ * This contains the functions needed by the server after loading the driver
+ * module. It must be supplied, and gets passed back by the SetupProc
+ * function in the dynamic case. In the static case, a reference to this
+ * is compiled in, and this requires that the name of this DriverRec be
+ * an upper-case version of the driver name.
+ */
+
+_X_EXPORT DriverRec MGX = {
+ MGX_VERSION,
+ MGX_DRIVER_NAME,
+ MgxIdentify,
+ MgxProbe,
+ MgxAvailableOptions,
+ NULL,
+ 0,
+ MgxDriverFunc
+};
+
+typedef enum {
+ OPTION_SW_CURSOR,
+ OPTION_HW_CURSOR,
+ OPTION_NOACCEL
+} TCXOpts;
+
+static const OptionInfoRec MgxOptions[] = {
+ { OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE },
+ { OPTION_HW_CURSOR, "HWcursor", OPTV_BOOLEAN, {0}, TRUE },
+ { OPTION_NOACCEL, "NoAccel", OPTV_BOOLEAN, {0}, FALSE },
+ { -1, NULL, OPTV_NONE, {0}, FALSE }
+};
+
+static MODULESETUPPROTO(MgxSetup);
+
+static XF86ModuleVersionInfo mgxVersRec =
+{
+ "mgx",
+ MODULEVENDORSTRING,
+ MODINFOSTRING1,
+ MODINFOSTRING2,
+ XORG_VERSION_CURRENT,
+ MGX_MAJOR_VERSION, MGX_MINOR_VERSION, MGX_PATCHLEVEL,
+ ABI_CLASS_VIDEODRV,
+ ABI_VIDEODRV_VERSION,
+ MOD_CLASS_VIDEODRV,
+ {0,0,0,0}
+};
+
+_X_EXPORT XF86ModuleData mgxModuleData = { &mgxVersRec, MgxSetup, NULL };
+
+pointer
+MgxSetup(pointer module, pointer opts, int *errmaj, int *errmin)
+{
+ static Bool setupDone = FALSE;
+
+ if (!setupDone) {
+ setupDone = TRUE;
+ xf86AddDriver(&MGX, module, HaveDriverFuncs);
+
+ /*
+ * Modules that this driver always requires can be loaded here
+ * by calling LoadSubModule().
+ */
+
+ /*
+ * The return value must be non-NULL on success even though there
+ * is no TearDownProc.
+ */
+ return (pointer)TRUE;
+ } else {
+ if (errmaj) *errmaj = LDR_ONCEONLY;
+ return NULL;
+ }
+}
+
+static Bool
+MgxGetRec(ScrnInfoPtr pScrn)
+{
+ /*
+ * Allocate an MgxRec, and hook it into pScrn->driverPrivate.
+ * pScrn->driverPrivate is initialised to NULL, so we can check if
+ * the allocation has already been done.
+ */
+ if (pScrn->driverPrivate != NULL)
+ return TRUE;
+
+ pScrn->driverPrivate = xnfcalloc(sizeof(MgxRec), 1);
+ return TRUE;
+}
+
+static void
+MgxFreeRec(ScrnInfoPtr pScrn)
+{
+ MgxPtr pMgx;
+
+ if (pScrn->driverPrivate == NULL)
+ return;
+
+ pMgx = GET_MGX_FROM_SCRN(pScrn);
+
+ free(pScrn->driverPrivate);
+ pScrn->driverPrivate = NULL;
+
+ return;
+}
+
+static const OptionInfoRec *
+MgxAvailableOptions(int chipid, int busid)
+{
+ return MgxOptions;
+}
+
+/* Mandatory */
+static void
+MgxIdentify(int flags)
+{
+ xf86Msg(X_INFO, "%s: driver for Southland Media MGX\n", MGX_NAME);
+}
+
+
+/* Mandatory */
+static Bool
+MgxProbe(DriverPtr drv, int flags)
+{
+ int i;
+ GDevPtr *devSections;
+ int *usedChips;
+ int numDevSections;
+ int numUsed;
+ Bool foundScreen = FALSE;
+ EntityInfoPtr pEnt;
+
+ /*
+ * The aim here is to find all cards that this driver can handle,
+ * and for the ones not already claimed by another driver, claim the
+ * slot, and allocate a ScrnInfoRec.
+ *
+ * This should be a minimal probe, and it should under no circumstances
+ * change the state of the hardware. Because a device is found, don't
+ * assume that it will be used. Don't do any initialisations other than
+ * the required ScrnInfoRec initialisations. Don't allocate any new
+ * data structures.
+ */
+
+ /*
+ * Next we check, if there has been a chipset override in the config file.
+ * For this we must find out if there is an active device section which
+ * is relevant, i.e., which has no driver specified or has THIS driver
+ * specified.
+ */
+
+ if ((numDevSections = xf86MatchDevice(MGX_DRIVER_NAME,
+ &devSections)) <= 0) {
+ /*
+ * There's no matching device section in the config file, so quit
+ * now.
+ */
+ return FALSE;
+ }
+
+ /*
+ * We need to probe the hardware first. We then need to see how this
+ * fits in with what is given in the config file, and allow the config
+ * file info to override any contradictions.
+ */
+
+ numUsed = xf86MatchSbusInstances(MGX_NAME, SBUS_DEVICE_MGX,
+ devSections, numDevSections,
+ drv, &usedChips);
+
+ free(devSections);
+ if (numUsed <= 0)
+ return FALSE;
+
+ if (flags & PROBE_DETECT)
+ foundScreen = TRUE;
+ else for (i = 0; i < numUsed; i++) {
+ pEnt = xf86GetEntityInfo(usedChips[i]);
+
+ /*
+ * Check that nothing else has claimed the slots.
+ */
+ if(pEnt->active) {
+ ScrnInfoPtr pScrn;
+
+ /* Allocate a ScrnInfoRec and claim the slot */
+ pScrn = xf86AllocateScreen(drv, 0);
+
+ /* Fill in what we can of the ScrnInfoRec */
+ pScrn->driverVersion = MGX_VERSION;
+ pScrn->driverName = MGX_DRIVER_NAME;
+ pScrn->name = MGX_NAME;
+ pScrn->Probe = MgxProbe;
+ pScrn->PreInit = MgxPreInit;
+ pScrn->ScreenInit = MgxScreenInit;
+ pScrn->SwitchMode = MgxSwitchMode;
+ pScrn->AdjustFrame = MgxAdjustFrame;
+ pScrn->EnterVT = MgxEnterVT;
+ pScrn->LeaveVT = MgxLeaveVT;
+ pScrn->FreeScreen = MgxFreeScreen;
+ pScrn->ValidMode = MgxValidMode;
+ xf86AddEntityToScreen(pScrn, pEnt->index);
+ foundScreen = TRUE;
+ }
+ free(pEnt);
+ }
+ free(usedChips);
+ return foundScreen;
+}
+
+/* Mandatory */
+static Bool
+MgxPreInit(ScrnInfoPtr pScrn, int flags)
+{
+ MgxPtr pMgx;
+ sbusDevicePtr psdp = NULL;
+ MessageType from;
+ int i, prom;
+ int hwCursor;
+
+ if (flags & PROBE_DETECT) return FALSE;
+
+ /*
+ * Note: This function is only called once at server startup, and
+ * not at the start of each server generation. This means that
+ * only things that are persistent across server generations can
+ * be initialised here. xf86Screens[] is (pScrn is a pointer to one
+ * of these). Privates allocated using xf86AllocateScrnInfoPrivateIndex()
+ * are too, and should be used for data that must persist across
+ * server generations.
+ *
+ * Per-generation data should be allocated with
+ * AllocateScreenPrivateIndex() from the ScreenInit() function.
+ */
+
+ /* Allocate the TcxRec driverPrivate */
+ if (!MgxGetRec(pScrn)) {
+ return FALSE;
+ }
+ pMgx = GET_MGX_FROM_SCRN(pScrn);
+
+ /* Set pScrn->monitor */
+ pScrn->monitor = pScrn->confScreen->monitor;
+
+ /* This driver doesn't expect more than one entity per screen */
+ if (pScrn->numEntities > 1)
+ return FALSE;
+ /* This is the general case */
+ for (i = 0; i < pScrn->numEntities; i++) {
+ EntityInfoPtr pEnt = xf86GetEntityInfo(pScrn->entityList[i]);
+
+ if (pEnt->location.type == BUS_SBUS) {
+ psdp = xf86GetSbusInfoForEntity(pEnt->index);
+ pMgx->psdp = psdp;
+ } else
+ return FALSE;
+ }
+ if (psdp == NULL)
+ return FALSE;
+
+ /**********************
+ check card capabilities
+ **********************/
+ hwCursor = 1;
+
+ prom = sparcPromInit();
+ char *b;
+ int len = 4, v = 0;
+
+ /* see if we have more than 1MB vram */
+ pMgx->vramsize = 0x400000;
+ if (((b = sparcPromGetProperty(&psdp->node, "fb_size", &len)) != NULL) &&
+ (len == 4)) {
+ memcpy(&v, b, 4);
+ pMgx->vramsize = v;
+ }
+ xf86Msg(X_PROBED, "found %d KB video memory\n", v >> 10);
+
+ if (prom)
+ sparcPromClose();
+
+ xf86Msg(X_PROBED, "hardware cursor support %s\n",
+ hwCursor ? "found" : "not found");
+
+ /*********************
+ deal with depth
+ *********************/
+
+ if (!xf86SetDepthBpp(pScrn, 0, 0, 0, Support32bppFb)) {
+ return FALSE;
+ } else {
+ /* Check that the returned depth is one we support */
+ switch (pScrn->depth) {
+ case 8:
+ case 32:
+ case 24:
+ /* OK */
+ break;
+ default:
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Given depth (%d) is not supported by this driver\n",
+ pScrn->depth);
+ return FALSE;
+ }
+ }
+
+ /* Collect all of the relevant option flags (fill in pScrn->options) */
+ xf86CollectOptions(pScrn, NULL);
+ /* Process the options */
+ if (!(pMgx->Options = malloc(sizeof(MgxOptions))))
+ return FALSE;
+ memcpy(pMgx->Options, MgxOptions, sizeof(MgxOptions));
+ xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pMgx->Options);
+
+ /*
+ * This must happen after pScrn->display has been set because
+ * xf86SetWeight references it.
+ */
+ if (pScrn->depth > 8) {
+ rgb weight = {0, 0, 0};
+ rgb mask = {0xff0000, 0xff00, 0xff};
+
+ if (!xf86SetWeight(pScrn, weight, mask)) {
+ return FALSE;
+ }
+ }
+
+ if (!xf86SetDefaultVisual(pScrn, -1))
+ return FALSE;
+ else if (pScrn->depth > 8) {
+ /* We don't currently support DirectColor */
+ if (pScrn->defaultVisual != TrueColor) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given default visual"
+ " (%s) is not supported\n",
+ xf86GetVisualName(pScrn->defaultVisual));
+ return FALSE;
+ }
+ }
+
+ /*
+ * The new cmap code requires this to be initialised.
+ */
+
+ {
+ Gamma zeros = {0.0, 0.0, 0.0};
+
+ if (!xf86SetGamma(pScrn, zeros)) {
+ return FALSE;
+ }
+ }
+
+ /* determine whether we use hardware or software cursor */
+
+ from = X_PROBED;
+ pMgx->HWCursor = FALSE;
+ if (hwCursor) {
+ from = X_DEFAULT;
+ pMgx->HWCursor = TRUE;
+ if (xf86GetOptValBool(pMgx->Options, OPTION_HW_CURSOR, &pMgx->HWCursor))
+ from = X_CONFIG;
+ if (xf86ReturnOptValBool(pMgx->Options, OPTION_SW_CURSOR, FALSE)) {
+ from = X_CONFIG;
+ pMgx->HWCursor = FALSE;
+ }
+ }
+
+ pMgx->NoAccel = FALSE;
+ if (xf86ReturnOptValBool(pMgx->Options, OPTION_NOACCEL, FALSE)) {
+ pMgx->NoAccel = TRUE;
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Acceleration disabled\n");
+ }
+
+ xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n",
+ pMgx->HWCursor ? "HW" : "SW");
+
+ if (xf86LoadSubModule(pScrn, "fb") == NULL) {
+ MgxFreeRec(pScrn);
+ return FALSE;
+ }
+
+ /*********************
+ set up clock and mode stuff
+ *********************/
+
+ pScrn->progClock = TRUE;
+
+ if(pScrn->display->virtualX || pScrn->display->virtualY) {
+ xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+ "MGX does not support a virtual desktop\n");
+ pScrn->display->virtualX = 0;
+ pScrn->display->virtualY = 0;
+ }
+
+ xf86SbusUseBuiltinMode(pScrn, pMgx->psdp);
+ pScrn->currentMode = pScrn->modes;
+ pScrn->displayWidth = pScrn->virtualX;
+
+ /* Set display resolution */
+ xf86SetDpi(pScrn, 0, 0);
+
+ return TRUE;
+}
+
+/* Mandatory */
+
+/* This gets called at the start of each server generation */
+
+static Bool
+MgxScreenInit(SCREEN_INIT_ARGS_DECL)
+{
+ ScrnInfoPtr pScrn;
+ MgxPtr pMgx;
+ VisualPtr visual;
+ int ret;
+
+ /*
+ * First get the ScrnInfoRec
+ */
+ pScrn = xf86ScreenToScrn(pScreen);
+
+ pMgx = GET_MGX_FROM_SCRN(pScrn);
+
+ /* Map the fb */
+ pMgx->fb = xf86MapSbusMem (pMgx->psdp, MGX_FLIPOFFSET, pMgx->vramsize);
+ pMgx->blt = xf86MapSbusMem (pMgx->psdp, MGX_BLTOFFSET, 0x1000);
+
+ if (!pMgx->blt) {
+ xf86Msg(X_ERROR, "failed to map blitter space\n");
+ return FALSE;
+ }
+
+ if (!pMgx->fb) {
+ xf86Msg(X_ERROR, "failed to map framebuffer\n");
+ return FALSE;
+ }
+
+ /* Darken the screen for aesthetic reasons and set the viewport */
+ MgxSaveScreen(pScreen, SCREEN_SAVER_ON);
+
+ /*
+ * The next step is to setup the screen's visuals, and initialise the
+ * framebuffer code. In cases where the framebuffer's default
+ * choices for things like visual layouts and bits per RGB are OK,
+ * this may be as simple as calling the framebuffer's ScreenInit()
+ * function. If not, the visuals will need to be setup before calling
+ * a fb ScreenInit() function and fixed up after.
+ */
+
+ /*
+ * Reset visual list.
+ */
+ miClearVisualTypes();
+
+ if (pScrn->depth == 8)
+ /* Set the bits per RGB for 8bpp mode */
+ pScrn->rgbBits = 8;
+
+ /* Setup the visuals we support. */
+
+ if (!miSetVisualTypes(pScrn->depth,
+ pScrn->depth != 8 ? TrueColorMask :
+ miGetDefaultVisualMask(pScrn->depth),
+ pScrn->rgbBits, pScrn->defaultVisual))
+ return FALSE;
+
+ miSetPixmapDepths ();
+
+ /*
+ * Call the framebuffer layer's ScreenInit function, and fill in other
+ * pScreen fields.
+ */
+
+ ret = fbScreenInit(pScreen, pMgx->fb, pScrn->virtualX,
+ pScrn->virtualY, pScrn->xDpi, pScrn->yDpi,
+ pScrn->virtualX, pScrn->bitsPerPixel);
+
+ if (!ret)
+ return FALSE;
+
+ xf86SetBlackWhitePixels(pScreen);
+
+ if (pScrn->bitsPerPixel > 8) {
+ /* Fixup RGB ordering */
+ visual = pScreen->visuals + pScreen->numVisuals;
+ while (--visual >= pScreen->visuals) {
+ if ((visual->class | DynamicClass) == DirectColor) {
+ visual->offsetRed = pScrn->offset.red;
+ visual->offsetGreen = pScrn->offset.green;
+ visual->offsetBlue = pScrn->offset.blue;
+ visual->redMask = pScrn->mask.red;
+ visual->greenMask = pScrn->mask.green;
+ visual->blueMask = pScrn->mask.blue;
+ }
+ }
+ }
+
+#ifdef RENDER
+ /* must be after RGB ordering fixed */
+ fbPictureInit (pScreen, 0, 0);
+#endif
+
+ if (!pMgx->NoAccel) {
+ XF86ModReqInfo req;
+ int errmaj, errmin;
+
+ memset(&req, 0, sizeof(XF86ModReqInfo));
+ req.majorversion = 2;
+ req.minorversion = 0;
+ if (!LoadSubModule(pScrn->module, "exa", NULL, NULL, NULL, &req,
+ &errmaj, &errmin))
+ {
+ LoaderErrorMsg(NULL, "exa", errmaj, errmin);
+ return FALSE;
+ }
+ if (!MgxInitAccel(pScreen))
+ return FALSE;
+ }
+
+ xf86SetBackingStore(pScreen);
+ xf86SetSilkenMouse(pScreen);
+
+ /* Initialise cursor functions */
+ miDCInitialize (pScreen, xf86GetPointerScreenFuncs());
+
+ /* Initialize HW cursor layer.
+ Must follow software cursor initialization*/
+ if (pMgx->HWCursor) {
+
+ if(!MgxSetupCursor(pScreen)) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Hardware cursor initialization failed\n");
+ return(FALSE);
+ }
+ }
+
+ /* Initialise default colourmap */
+ if (!miCreateDefColormap(pScreen))
+ return FALSE;
+
+ if(pScrn->depth == 8 && !xf86SbusHandleColormaps(pScreen, pMgx->psdp))
+ return FALSE;
+
+ pMgx->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = MgxCloseScreen;
+ pScreen->SaveScreen = MgxSaveScreen;
+
+ /* Report any unused options (only for the first generation) */
+ if (serverGeneration == 1) {
+ xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
+ }
+
+ /* unblank the screen */
+ MgxSaveScreen(pScreen, SCREEN_SAVER_OFF);
+
+ /* Done */
+ return TRUE;
+}
+
+
+/* Usually mandatory */
+static Bool
+MgxSwitchMode(SWITCH_MODE_ARGS_DECL)
+{
+ return TRUE;
+}
+
+
+/*
+ * This function is used to initialize the Start Address - the first
+ * displayed location in the video memory.
+ */
+/* Usually mandatory */
+static void
+MgxAdjustFrame(ADJUST_FRAME_ARGS_DECL)
+{
+ /* we don't support virtual desktops */
+ return;
+}
+
+/*
+ * This is called when VT switching back to the X server. Its job is
+ * to reinitialise the video mode.
+ */
+
+/* Mandatory */
+static Bool
+MgxEnterVT(VT_FUNC_ARGS_DECL)
+{
+ SCRN_INFO_PTR(arg);
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+
+ if (pMgx->HWCursor) {
+ xf86SbusHideOsHwCursor (pMgx->psdp);
+ }
+ return TRUE;
+}
+
+
+/*
+ * This is called when VT switching away from the X server.
+ */
+
+/* Mandatory */
+static void
+MgxLeaveVT(VT_FUNC_ARGS_DECL)
+{
+ return;
+}
+
+
+/*
+ * This is called at the end of each server generation. It restores the
+ * original (text) mode. It should really also unmap the video memory too.
+ */
+
+/* Mandatory */
+static Bool
+MgxCloseScreen(CLOSE_SCREEN_ARGS_DECL)
+{
+ ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+
+ pScrn->vtSema = FALSE;
+ xf86UnmapSbusMem(pMgx->psdp, pMgx->fb, pMgx->vramsize);
+ if (pMgx->blt)
+ xf86UnmapSbusMem(pMgx->psdp, pMgx->blt, 0x1000);
+
+ if (pMgx->HWCursor)
+ xf86SbusHideOsHwCursor (pMgx->psdp);
+
+ pScreen->CloseScreen = pMgx->CloseScreen;
+ return (*pScreen->CloseScreen)(CLOSE_SCREEN_ARGS);
+}
+
+
+/* Free up any per-generation data structures */
+
+/* Optional */
+static void
+MgxFreeScreen(FREE_SCREEN_ARGS_DECL)
+{
+ SCRN_INFO_PTR(arg);
+ MgxFreeRec(pScrn);
+}
+
+
+/* Checks if a mode is suitable for the selected chipset. */
+
+/* Optional */
+static ModeStatus
+MgxValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags)
+{
+ if (mode->Flags & V_INTERLACE)
+ return(MODE_BAD);
+
+ return(MODE_OK);
+}
+
+/* Do screen blanking */
+
+/* Mandatory */
+static Bool
+MgxSaveScreen(ScreenPtr pScreen, int mode)
+ /* this function should blank the screen when unblank is FALSE and
+ unblank it when unblank is TRUE -- it doesn't actually seem to be
+ used for much though */
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ MgxPtr pMgx = GET_MGX_FROM_SCRN(pScrn);
+ int fd = pMgx->psdp->fd, state;
+
+ switch(mode)
+ {
+ case SCREEN_SAVER_ON:
+ case SCREEN_SAVER_CYCLE:
+ state = 0;
+ if(ioctl(fd, FBIOSVIDEO, &state) == -1)
+ {
+ /* complain */
+ }
+ break;
+ case SCREEN_SAVER_OFF:
+ case SCREEN_SAVER_FORCER:
+ state = 1;
+ if(ioctl(fd, FBIOSVIDEO, &state) == -1)
+ {
+ /* complain */
+ }
+ break;
+ default:
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/*
+ * This is the implementation of the Sync() function.
+ */
+void
+MgxSync(ScrnInfoPtr pScrn)
+{
+ return;
+}
+
+static Bool
+MgxDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op,
+ pointer ptr)
+{
+ xorgHWFlags *flag;
+
+ switch (op) {
+ case GET_REQUIRED_HW_INTERFACES:
+ flag = (CARD32*)ptr;
+ (*flag) = HW_MMIO;
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
