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Diffstat (limited to 'src/mesa/drivers/dri/tdfx/server/tdfx_dri.c')
-rw-r--r--src/mesa/drivers/dri/tdfx/server/tdfx_dri.c471
1 files changed, 0 insertions, 471 deletions
diff --git a/src/mesa/drivers/dri/tdfx/server/tdfx_dri.c b/src/mesa/drivers/dri/tdfx/server/tdfx_dri.c
deleted file mode 100644
index 63fe875f59e..00000000000
--- a/src/mesa/drivers/dri/tdfx/server/tdfx_dri.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 5.1
- *
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
- *
- * 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
- * BRIAN PAUL 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.
- */
-
-/* Authors:
- * Keith Whitwell
- * Daniel Borca
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include "driver.h"
-#include "drm.h"
-#include "imports.h"
-
-#include "dri_util.h"
-
-#include "tdfx_context.h"
-#include "tdfx_dri.h"
-#include "xf86drm.h"
-
-
-#define TILE_WIDTH 128
-#define TILE_HEIGHT 32
-
-#define CMDFIFO_PAGES 64
-
-
-static int
-calcBufferStride (int xres, int tiled, int cpp)
-{
- int strideInTiles;
-
- if (tiled) {
- /* Calculate tile width stuff */
- strideInTiles = (xres+TILE_WIDTH-1)/TILE_WIDTH;
-
- return strideInTiles*cpp*TILE_WIDTH;
- } else {
- return xres*cpp;
- }
-} /* calcBufferStride */
-
-
-static int
-calcBufferHeightInTiles (int yres)
-{
- int heightInTiles; /* Height of buffer in tiles */
-
- /* Calculate tile height stuff */
- heightInTiles = yres >> 5;
-
- if (yres & (TILE_HEIGHT - 1))
- heightInTiles++;
-
- return heightInTiles;
-
-} /* calcBufferHeightInTiles */
-
-
-static int
-calcBufferSize (int xres, int yres, int tiled, int cpp)
-{
- int stride, height, bufSize;
-
- if (tiled) {
- stride = calcBufferStride(xres, tiled, cpp);
- height = TILE_HEIGHT * calcBufferHeightInTiles(yres);
- } else {
- stride = xres*cpp;
- height = yres;
- }
-
- bufSize = stride * height;
-
- return bufSize;
-} /* calcBufferSize */
-
-
-static void allocateMemory (const DRIDriverContext *ctx, TDFXDRIPtr pTDFX)
-{
- int memRemaining, fifoSize, screenSizeInTiles;
- int fbSize;
- char *str;
- int pixmapCacheLinesMin;
- int cursorOffset, cursorSize;
-
- pTDFX->stride = calcBufferStride(pTDFX->width, !0, pTDFX->cpp);
-
- /* enough to do DVD */
- pixmapCacheLinesMin = ((720*480*pTDFX->cpp) +
- pTDFX->stride - 1)/pTDFX->stride;
-
- if (pTDFX->deviceID > PCI_CHIP_VOODOO3) {
- if ((pixmapCacheLinesMin + pTDFX->height) > 4095)
- pixmapCacheLinesMin = 4095 - pTDFX->height;
- } else {
- if ((pixmapCacheLinesMin + pTDFX->height) > 2047)
- pixmapCacheLinesMin = 2047 - pTDFX->height;
- }
-
- if (pTDFX->cpp!=3) {
- screenSizeInTiles=calcBufferSize(pTDFX->width, pTDFX->height,
- !0, pTDFX->cpp);
- }
- else {
- /* cpp==3 needs to bump up to 4 */
- screenSizeInTiles=calcBufferSize(pTDFX->width, pTDFX->height,
- !0, 4);
- }
-
- /*
- * Layout is:
- * cursor, fifo, fb, tex, bb, db
- */
-
- fbSize = (pTDFX->height + pixmapCacheLinesMin) * pTDFX->stride;
-
- memRemaining=(pTDFX->mem - 1) &~ 0xFFF;
- /* Note that a page is 4096 bytes, and a */
- /* tile is 32 x 128 = 4096 bytes. So, */
- /* page and tile boundaries are the same */
- /* Place the depth offset first, forcing */
- /* it to be on an *odd* page boundary. */
- pTDFX->depthOffset = (memRemaining - screenSizeInTiles) &~ 0xFFF;
- if ((pTDFX->depthOffset & (0x1 << 12)) == 0) {
- pTDFX->depthOffset -= (0x1 << 12);
- }
- /* Now, place the back buffer, forcing it */
- /* to be on an *even* page boundary. */
- pTDFX->backOffset = (pTDFX->depthOffset - screenSizeInTiles) &~ 0xFFF;
- if (pTDFX->backOffset & (0x1 << 12)) {
- pTDFX->backOffset -= (0x1 << 12);
- }
- /* Give the cmd fifo at least */
- /* CMDFIFO_PAGES pages, but no more than */
- /* 64. NOTE: Don't go higher than 64, as */
- /* there is suspect code in Glide3 ! */
- fifoSize = ((64 <= CMDFIFO_PAGES) ? 64 : CMDFIFO_PAGES) << 12;
-
- /* We give 4096 bytes to the cursor */
- cursorSize = 0/*4096*/;
- cursorOffset = 0;
-
- pTDFX->fifoOffset = cursorOffset + cursorSize;
- pTDFX->fifoSize = fifoSize;
- /* Now, place the front buffer, forcing */
- /* it to be on a page boundary too, just */
- /* for giggles. */
- pTDFX->fbOffset = pTDFX->fifoOffset + pTDFX->fifoSize;
- pTDFX->textureOffset = pTDFX->fbOffset + fbSize;
- if (pTDFX->depthOffset <= pTDFX->textureOffset ||
- pTDFX->backOffset <= pTDFX->textureOffset) {
- /*
- * pTDFX->textureSize < 0 means that the DRI is disabled. pTDFX->backOffset
- * is used to calculate the maximum amount of memory available for
- * 2D offscreen use. With DRI disabled, set this to the top of memory.
- */
-
- pTDFX->textureSize = -1;
- pTDFX->backOffset = pTDFX->mem;
- pTDFX->depthOffset = -1;
- fprintf(stderr,
- "Not enough video memory available for textures and depth buffer\n"
- "\tand/or back buffer. Disabling DRI. To use DRI try lower\n"
- "\tresolution modes and/or a smaller virtual screen size\n");
- } else {
- pTDFX->textureSize = pTDFX->backOffset - pTDFX->textureOffset;
- }
-}
-
-
-static int createScreen (DRIDriverContext *ctx, TDFXDRIPtr pTDFX)
-{
- int err;
-
- {
- int width_bytes = (ctx->shared.virtualWidth * ctx->cpp);
- int maxy = ctx->shared.fbSize / width_bytes;
-
-
- if (maxy <= ctx->shared.virtualHeight * 3) {
- fprintf(stderr,
- "Static buffer allocation failed -- "
- "need at least %d kB video memory (have %d kB)\n",
- (ctx->shared.virtualWidth * ctx->shared.virtualHeight *
- ctx->cpp * 3 + 1023) / 1024,
- ctx->shared.fbSize / 1024);
- return 0;
- }
- }
-
- ctx->shared.SAREASize = SAREA_MAX;
- pTDFX->regsSize = ctx->MMIOSize;
-
- /* Note that drmOpen will try to load the kernel module, if needed. */
- ctx->drmFD = drmOpen("tdfx", NULL );
- if (ctx->drmFD < 0) {
- fprintf(stderr, "[drm] drmOpen failed\n");
- return 0;
- }
-
- if ((err = drmSetBusid(ctx->drmFD, ctx->pciBusID)) < 0) {
- fprintf(stderr, "[drm] drmSetBusid failed (%d, %s), %s\n",
- ctx->drmFD, ctx->pciBusID, strerror(-err));
- return 0;
- }
-
- if (drmAddMap( ctx->drmFD,
- 0,
- ctx->shared.SAREASize,
- DRM_SHM,
- DRM_CONTAINS_LOCK,
- &ctx->shared.hSAREA) < 0)
- {
- fprintf(stderr, "[drm] drmAddMap failed\n");
- return 0;
- }
- fprintf(stderr, "[drm] added %d byte SAREA at 0x%08lx\n",
- ctx->shared.SAREASize, ctx->shared.hSAREA);
-
- if (drmMap( ctx->drmFD,
- ctx->shared.hSAREA,
- ctx->shared.SAREASize,
- (drmAddressPtr)(&ctx->pSAREA)) < 0)
- {
- fprintf(stderr, "[drm] drmMap failed\n");
- return 0;
- }
- memset(ctx->pSAREA, 0, ctx->shared.SAREASize);
- fprintf(stderr, "[drm] mapped SAREA 0x%08lx to %p, size %d\n",
- ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize);
-
- /* Need to AddMap the framebuffer and mmio regions here:
- */
- if (drmAddMap( ctx->drmFD,
- (drm_handle_t)ctx->FBStart,
- ctx->FBSize,
- DRM_FRAME_BUFFER,
-#ifndef _EMBEDDED
- 0,
-#else
- DRM_READ_ONLY,
-#endif
- &ctx->shared.hFrameBuffer) < 0)
- {
- fprintf(stderr, "[drm] drmAddMap framebuffer failed\n");
- return 0;
- }
-
- fprintf(stderr, "[drm] framebuffer handle = 0x%08lx\n",
- ctx->shared.hFrameBuffer);
-
-
- if (drmAddMap(ctx->drmFD,
- ctx->MMIOStart,
- ctx->MMIOSize,
- DRM_REGISTERS,
- DRM_READ_ONLY,
- &pTDFX->regs) < 0) {
- fprintf(stderr, "[drm] drmAddMap mmio failed\n");
- return 0;
- }
- fprintf(stderr,
- "[drm] register handle = 0x%08lx\n", pTDFX->regs);
-
-
- /* Create a 'server' context so we can grab the lock for
- * initialization ioctls.
- */
- if ((err = drmCreateContext(ctx->drmFD, &ctx->serverContext)) != 0) {
- fprintf(stderr, "%s: drmCreateContext failed %d\n", __FUNCTION__, err);
- return 0;
- }
-
- DRM_LOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext, 0);
-
- /* Initialize the kernel data structures */
-
- /* Initialize kernel gart memory manager */
- allocateMemory(ctx, pTDFX);
-
- /* Initialize the SAREA private data structure */
-
-
- /* Quick hack to clear the front & back buffers. Could also use
- * the clear ioctl to do this, but would need to setup hw state
- * first.
- */
-
-
- /* This is the struct passed to tdfx_dri.so for its initialization */
- ctx->driverClientMsg = malloc(sizeof(TDFXDRIRec));
- ctx->driverClientMsgSize = sizeof(TDFXDRIRec);
- memcpy(ctx->driverClientMsg, pTDFX, ctx->driverClientMsgSize);
- pTDFX = (TDFXDRIPtr)ctx->driverClientMsg;
-
- /* Don't release the lock now - let the VT switch handler do it. */
-
- return 1;
-}
-
-
-/**
- * \brief Validate the fbdev mode.
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Saves some registers and returns 1.
- *
- * \sa tdfxValidateMode().
- */
-static int tdfxValidateMode( const DRIDriverContext *ctx )
-{
- return 1;
-}
-
-
-/**
- * \brief Examine mode returned by fbdev.
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Restores registers that fbdev has clobbered and returns 1.
- *
- * \sa tdfxValidateMode().
- */
-static int tdfxPostValidateMode( const DRIDriverContext *ctx )
-{
- return 1;
-}
-
-
-/**
- * \brief Initialize the framebuffer device mode
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Before exiting clears the framebuffer memory accessing it directly.
- */
-static int tdfxInitFBDev( DRIDriverContext *ctx )
-{
- TDFXDRIPtr pTDFX = calloc(1, sizeof(TDFXDRIRec));
-
- {
- int dummy = ctx->shared.virtualWidth;
-
- switch (ctx->bpp / 8) {
- case 1: dummy = (ctx->shared.virtualWidth + 127) & ~127; break;
- case 2: dummy = (ctx->shared.virtualWidth + 31) & ~31; break;
- case 3:
- case 4: dummy = (ctx->shared.virtualWidth + 15) & ~15; break;
- }
-
- ctx->shared.virtualWidth = dummy;
- }
-
- ctx->driverPrivate = (void *)pTDFX;
-
- pTDFX->deviceID = ctx->chipset;
- pTDFX->width = ctx->shared.virtualWidth;
- pTDFX->height = ctx->shared.virtualHeight;
- pTDFX->cpp = ctx->cpp;
- pTDFX->mem = ctx->FBSize; /* ->shared.fbSize? mem probe? */
- pTDFX->sarea_priv_offset = sizeof(drm_sarea_t);
-
- if (!createScreen(ctx, pTDFX))
- return 0;
-
- return 1;
-}
-
-
-/**
- * \brief The screen is being closed, so clean up any state and free any
- * resources used by the DRI.
- *
- * \param ctx display handle.
- *
- * Unmaps the SAREA, closes the DRM device file descriptor and frees the driver
- * private data.
- */
-static void tdfxHaltFBDev( DRIDriverContext *ctx )
-{
- drmUnmap( ctx->pSAREA, ctx->shared.SAREASize );
- drmClose(ctx->drmFD);
-
- if (ctx->driverPrivate) {
- free(ctx->driverPrivate);
- ctx->driverPrivate = 0;
- }
-}
-
-
-/**
- * \brief Shutdown the drawing engine.
- *
- * \param ctx display handle
- *
- * Turns off the 3D engine & restores the graphics card
- * to a state that fbdev understands.
- */
-static int tdfxEngineShutdown( const DRIDriverContext *ctx )
-{
- fprintf(stderr, "%s: not implemented\n", __FUNCTION__);
- return 1;
-}
-
-
-/**
- * \brief Restore the drawing engine.
- *
- * \param ctx display handle
- *
- * Resets the graphics card and sets initial values for several registers of
- * the card's drawing engine.
- *
- * Turns on 3dfx
- */
-static int tdfxEngineRestore( const DRIDriverContext *ctx )
-{
- fprintf(stderr, "%s: not implemented\n", __FUNCTION__);
- return 1;
-}
-
-
-/**
- * \brief Exported driver interface for Mini GLX.
- *
- * \sa DRIDriverRec.
- */
-struct DRIDriverRec __driDriver = {
- tdfxValidateMode,
- tdfxPostValidateMode,
- tdfxInitFBDev,
- tdfxHaltFBDev,
- tdfxEngineShutdown,
- tdfxEngineRestore,
- 0
-};
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