summaryrefslogtreecommitdiff
path: root/bsd-core/r128_drv.c
AgeCommit message (Expand)Author
2009-03-08FreeBSD use kdev for kernel device namevehemens
2009-02-27Move vblank_init to driver load time.Robert Noland
2008-10-10[FreeBSD] Rework all of the memory allocationsRobert Noland
2008-10-03[FreeBSD] Don't explicitly bzero driver softc.Robert Noland
2008-10-03[FreeBSD] Use M_WAITOK when allocating driver memory.Robert Noland
2008-09-10Remove incomplete and obsolete free/net/open code.vehemens
2008-09-08[FreeBSD] We need to call drm_detach before we free dev->driver.Robert Noland
2008-09-05Need M_NOWAIT for malloc.vehemens
2008-08-29[FreeBSD] Use driver features macros and flagsvehemens
2008-08-29[FreeBSD] Convert drm_driver to a pointer like linux.vehemens
2008-05-27[FreeBSD] Add vblank-rework support and get drivers building.Robert Noland
2008-05-27[FreeBSD] Convert from drm_device_t to struct drm_device for consistency.Eric Anholt
2005-12-30Merge patch from jhb to catch up with FreeBSD-current vgapci master deviceEric Anholt
2005-11-11Fix breakage from the move of driver ioctl externs to header files.Eric Anholt
2005-08-05Rename the driver hooks in the DRM to something a little moreEric Anholt
2005-06-06Add a few more bits of Tonnerre's NetBSD port (Still need to deal with theEric Anholt
2005-04-16Use /*- to begin license blocks in BSD code to reduce diffs against FreeBSDEric Anholt
2004-11-06Convert more drivers for bsd-core, moving the ioctl definitions to sharedEric Anholt
2004-11-06Remove some core stuff that ended up being unnecessary.Eric Anholt
2004-11-06Get r128 basically working: Hook up the driver's dma ioctl, use the properEric Anholt
2004-11-06Connect up r128_ioctls in driver config.Eric Anholt
2004-11-06Commit WIP of BSD conversion to core model. Compiles for r128, radeon, butEric Anholt
2003-10-17- Move IRQ functions from drm_dma.h to new drm_irq.h and disentangle themEric Anholt
2003-10-17- Converted Linux drivers to initialize DRM instances based on PCI IDs, notEric Anholt
2003-08-19- Remove $FreeBSD$ tags as they weren't too useful and merges are now beingEric Anholt
2003-04-26Add PCI DMA memory functions and make addbufs_pci and associated code useEric Anholt
2003-04-25Merge from FreeBSD-current.Eric Anholt
2003-04-24Move one definition to drm_drv.h and remove the rest of drm_init.h whichEric Anholt
2003-03-25XFree86 4.3.0 mergeAlan Hourihane
2003-03-11Merge back from FreeBSD-current, adding FreeBSD ID tags to aid futureEric Anholt
2003-02-21Merge from bsd-4-0-0-branch.Eric Anholt
2002-07-05merged bsd-3-0-0-branchAlan Hourihane
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-11 16:16:34 +0000
'n258' href='#n258'>258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 
/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
 * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * 
 **************************************************************************/
/*
 * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <drm/drm.h>
#include "xf86dri.h"
#include "xf86drm.h"
#include "stdio.h"
#include "sys/types.h"
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include "sys/mman.h"

typedef struct
{
    enum
    {
	haveNothing,
	haveDisplay,
	haveConnection,
	haveDriverName,
	haveDeviceInfo,
	haveDRM,
	haveContext
    }
    state;

    Display *display;
    int screen;
    drm_handle_t sAreaOffset;
    char *curBusID;
    char *driverName;
    int drmFD;
    XVisualInfo visualInfo;
    XID id;
    drm_context_t hwContext;
    void *driPriv;
    int driPrivSize;
    int fbSize;
    int fbOrigin;
    int fbStride;
    drm_handle_t fbHandle;
    int ddxDriverMajor;
    int ddxDriverMinor;
    int ddxDriverPatch;
} TinyDRIContext;

#ifndef __x86_64__
static unsigned
fastrdtsc(void)
{
    unsigned eax;
    __asm__ volatile ("\t"
	"pushl  %%ebx\n\t"
	"cpuid\n\t" ".byte 0x0f, 0x31\n\t" "popl %%ebx\n":"=a" (eax)
	:"0"(0)
	:"ecx", "edx", "cc");

    return eax;
}
#else
static unsigned
fastrdtsc(void)
{
    unsigned eax;
    __asm__ volatile ("\t" "cpuid\n\t" ".byte 0x0f, 0x31\n\t":"=a" (eax)
	:"0"(0)
	:"ecx", "edx", "ebx", "cc");

    return eax;
}
#endif

void
bmError(int val, const char *file, const char *function, int line)
{
    fprintf(stderr, "Fatal video memory manager error \"%s\".\n"
	"Check kernel logs or set the LIBGL_DEBUG\n"
	"environment variable to \"verbose\" for more info.\n"
	"Detected in file %s, line %d, function %s.\n",
	strerror(-val), file, line, function);
    abort();
}

#define BM_CKFATAL(val)					       \
  do{							       \
    int tstVal = (val);					       \
    if (tstVal) 					       \
      bmError(tstVal, __FILE__, __FUNCTION__, __LINE__);       \
  } while(0);

static unsigned
time_diff(unsigned t, unsigned t2)
{
    return ((t < t2) ? t2 - t : 0xFFFFFFFFU - (t - t2 - 1));
}

static int
releaseContext(TinyDRIContext * ctx)
{
    switch (ctx->state) {
    case haveContext:
	uniDRIDestroyContext(ctx->display, ctx->screen, ctx->id);
    case haveDRM:
	drmClose(ctx->drmFD);
    case haveDeviceInfo:
	XFree(ctx->driPriv);
    case haveDriverName:
	XFree(ctx->driverName);
    case haveConnection:
	XFree(ctx->curBusID);
	uniDRICloseConnection(ctx->display, ctx->screen);
    case haveDisplay:
	XCloseDisplay(ctx->display);
    default:
	break;
    }
    return -1;
}

static void
readBuf(void *buf, unsigned long size)
{
    volatile unsigned *buf32 = (unsigned *)buf;
    unsigned *end = (unsigned *)buf32 + size / sizeof(*buf32);

    while (buf32 < end) {
	(void)*buf32++;
    }
}

static int
benchmarkBuffer(TinyDRIContext * ctx, unsigned long size,
    unsigned long *ticks)
{
    unsigned long curTime, oldTime;
    int ret;
    drmBO buf;
    void *virtual;

    /*
     * Test system memory objects.
     */

    oldTime = fastrdtsc();
    BM_CKFATAL(drmBOCreate(ctx->drmFD, 0, size, 0, NULL,
	    drm_bo_type_dc,
	    DRM_BO_FLAG_READ |
	    DRM_BO_FLAG_WRITE |
			   DRM_BO_FLAG_MEM_LOCAL /*| DRM_BO_FLAG_NO_MOVE*/, 0, &buf));
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
	    DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &virtual));
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    memset(virtual, 0xF0, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    memset(virtual, 0x0F, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    readBuf(virtual, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    /*
     * Test TT bound buffer objects.
     */

    BM_CKFATAL(drmGetLock(ctx->drmFD, ctx->hwContext, 0));
    oldTime = fastrdtsc();
    BM_CKFATAL(drmBOValidate(ctx->drmFD, &buf,
	    DRM_BO_FLAG_MEM_TT, DRM_BO_MASK_MEM, DRM_BO_HINT_DONT_FENCE));
    curTime = fastrdtsc();
    BM_CKFATAL(drmUnlock(ctx->drmFD, ctx->hwContext));
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
	    DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &virtual));
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    memset(virtual, 0xF0, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    memset(virtual, 0x0F, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    readBuf(virtual, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));

    BM_CKFATAL(drmGetLock(ctx->drmFD, ctx->hwContext, 0));
    oldTime = fastrdtsc();
    BM_CKFATAL(drmBOValidate(ctx->drmFD, &buf,
	    DRM_BO_FLAG_MEM_LOCAL, DRM_BO_MASK_MEM, DRM_BO_HINT_DONT_FENCE));
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    /*
     * Test cached buffers objects.
     */

    oldTime = fastrdtsc();
    ret = drmBOValidate(ctx->drmFD, &buf,
	DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING,
	DRM_BO_MASK_MEMTYPE | DRM_BO_FLAG_FORCE_CACHING, DRM_BO_HINT_DONT_FENCE);
    curTime = fastrdtsc();
    drmUnlock(ctx->drmFD, ctx->hwContext);

    if (ret) {
	printf("Couldn't bind cached. Probably no support\n");
	BM_CKFATAL(drmBODestroy(ctx->drmFD, &buf));
	return 1;
    }
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
	    DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &virtual));

    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    memset(virtual, 0xF0, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    memset(virtual, 0x0F, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    oldTime = fastrdtsc();
    readBuf(virtual, buf.size);
    curTime = fastrdtsc();
    *ticks++ = time_diff(oldTime, curTime);

    BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
    BM_CKFATAL(drmBODestroy(ctx->drmFD, &buf));

    return 0;
}

static void
testAGP(TinyDRIContext * ctx)
{
    unsigned long ticks[128], *pTicks;
    unsigned long size = 8 * 1024;
    int ret;

    ret = benchmarkBuffer(ctx, size, ticks);
    if (ret < 0) {
	fprintf(stderr, "Buffer error %s\n", strerror(-ret));
	return;
    }
    pTicks = ticks;

    printf("Buffer size %d bytes\n", size);
    printf("System memory timings ********************************\n");
    printf("Creation took            %12lu ticks\n", *pTicks++);
    printf("Mapping took             %12lu ticks\n", *pTicks++);
    printf("Writing took             %12lu ticks\n", *pTicks++);
    printf("Writing Again took       %12lu ticks\n", *pTicks++);
    printf("Reading took             %12lu ticks\n", *pTicks++);
    printf("Unmapping took           %12lu ticks\n", *pTicks++);

    printf("\nTT Memory timings ************************************\n");
    printf("Moving to TT took        %12lu ticks\n", *pTicks++);
    printf("Mapping in TT took       %12lu ticks\n", *pTicks++);
    printf("Writing to TT took       %12lu ticks\n", *pTicks++);
    printf("Writing again to TT took %12lu ticks\n", *pTicks++);
    printf("Reading from TT took     %12lu ticks\n", *pTicks++);
    printf("Moving to system took    %12lu ticks\n", *pTicks++);

    if (ret == 1)
	return;

    printf("\nCached TT Memory timings *****************************\n");
    printf("Moving to CTT took       %12lu ticks\n", *pTicks++);
    printf("Mapping in CTT took      %12lu ticks\n", *pTicks++);
    printf("Writing to CTT took      %12lu ticks\n", *pTicks++);
    printf("Re-writing to CTT took   %12lu ticks\n", *pTicks++);
    printf("Reading from CTT took    %12lu ticks\n", *pTicks++);
    printf("\n\n");
}

int
main()
{
    int ret, screen, isCapable;
    char *displayName = ":0";
    TinyDRIContext ctx;
    unsigned magic;

    ctx.screen = 0;
    ctx.state = haveNothing;
    ctx.display = XOpenDisplay(displayName);
    if (!ctx.display) {
	fprintf(stderr, "Could not open display\n");
	return releaseContext(&ctx);
    }
    ctx.state = haveDisplay;

    ret =
	uniDRIQueryDirectRenderingCapable(ctx.display, ctx.screen,
	&isCapable);
    if (!ret || !isCapable) {
	fprintf(stderr, "No DRI on this display:sceen\n");
	return releaseContext(&ctx);
    }

    if (!uniDRIOpenConnection(ctx.display, ctx.screen, &ctx.sAreaOffset,
	    &ctx.curBusID)) {
	fprintf(stderr, "Could not open DRI connection.\n");
	return releaseContext(&ctx);
    }
    ctx.state = haveConnection;

    if (!uniDRIGetClientDriverName(ctx.display, ctx.screen,
	    &ctx.ddxDriverMajor, &ctx.ddxDriverMinor,
	    &ctx.ddxDriverPatch, &ctx.driverName)) {
	fprintf(stderr, "Could not get DRI driver name.\n");
	return releaseContext(&ctx);
    }
    ctx.state = haveDriverName;

    if (!uniDRIGetDeviceInfo(ctx.display, ctx.screen,
	    &ctx.fbHandle, &ctx.fbOrigin, &ctx.fbSize,
	    &ctx.fbStride, &ctx.driPrivSize, &ctx.driPriv)) {
	fprintf(stderr, "Could not get DRI device info.\n");
	return releaseContext(&ctx);
    }
    ctx.state = haveDriverName;

    if ((ctx.drmFD = drmOpen(NULL, ctx.curBusID)) < 0) {
	perror("DRM Device could not be opened");
	return releaseContext(&ctx);
    }
    ctx.state = haveDRM;

    drmGetMagic(ctx.drmFD, &magic);
    if (!uniDRIAuthConnection(ctx.display, ctx.screen, magic)) {
	fprintf(stderr, "Could not get X server to authenticate us.\n");
	return releaseContext(&ctx);
    }

    ret = XMatchVisualInfo(ctx.display, ctx.screen, 24, TrueColor,
	&ctx.visualInfo);
    if (!ret) {
	ret = XMatchVisualInfo(ctx.display, ctx.screen, 16, TrueColor,
	    &ctx.visualInfo);
	if (!ret) {
	    fprintf(stderr, "Could not find a matching visual.\n");
	    return releaseContext(&ctx);
	}
    }

    if (!uniDRICreateContext(ctx.display, ctx.screen, ctx.visualInfo.visual,
	    &ctx.id, &ctx.hwContext)) {
	fprintf(stderr, "Could not create DRI context.\n");
	return releaseContext(&ctx);
    }
    ctx.state = haveContext;

    testAGP(&ctx);

    releaseContext(&ctx);
    printf("Terminating normally\n");
    return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-11 16:16:34 +0000