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/* tdfx_drv.c -- tdfx driver -*- linux-c -*-
 * Created: Thu Oct  7 10:38:32 1999 by faith@precisioninsight.com
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * 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 (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
 * PRECISION INSIGHT 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.
 *
 * Authors:
 *    Rickard E. (Rik) Faith <faith@valinux.com>
 *    Daryll Strauss <daryll@valinux.com>
 *    Gareth Hughes <gareth@valinux.com>
 */

#include <linux/config.h>
#include "drmP.h"
#include "tdfx_drv.h"

#include "drm_pciids.h"

static struct pci_device_id pciidlist[] = {
	tdfx_PCI_IDS
};

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
	.driver_features = DRIVER_USE_MTRR,
	.reclaim_buffers = drm_core_reclaim_buffers,
	.get_map_ofs = drm_core_get_map_ofs,
	.get_reg_ofs = drm_core_get_reg_ofs,
	.fops = {
		.owner = THIS_MODULE,
		.open = drm_open,
		.release = drm_release,
		.ioctl = drm_ioctl,
		.mmap = drm_mmap,
		.poll = drm_poll,
		.fasync = drm_fasync,
		},
	.pci_driver = {
		.name = DRIVER_NAME,
		.id_table = pciidlist,
		.probe = probe,
		.remove = __devexit_p(drm_cleanup_pci),
	},

	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
	.date = DRIVER_DATE,
	.major = DRIVER_MAJOR,
	.minor = DRIVER_MINOR,
	.patchlevel = DRIVER_PATCHLEVEL,
};

static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	return drm_get_dev(pdev, ent, &driver);
}


static int __init tdfx_init(void)
{
	return drm_init(&driver, pciidlist);
}

static void __exit tdfx_exit(void)
{
	drm_exit(&driver);
}

module_init(tdfx_init);
module_exit(tdfx_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
d='n343' href='#n343'>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
/* drmstat.c -- DRM device status and testing program
 * Created: Tue Jan  5 08:19:24 1999 by faith@precisioninsight.com
 * Revised: Mon Dec  6 10:33:46 1999 by faith@precisioninsight.com
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * 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 (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
 * PRECISION INSIGHT 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.
 * 
 * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmstat.c,v 1.28 1999/08/04 18:12:11 faith Exp $
 * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmstat.c,v 1.2 1999/12/14 01:33:56 robin Exp $
 * 
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <getopt.h>
#include <strings.h>
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include "xf86drm.h"

int sigio_fd;

static double usec(struct timeval *end, struct timeval *start)
{
    double e = end->tv_sec   * 1000000 + end->tv_usec;
    double s = start->tv_sec * 1000000 + start->tv_usec;

    return e - s;
}

static void getversion(int fd)
{
    drmVersionPtr version;
    
    version = drmGetVersion(fd);
    if (version) {
	printf( "Name: %s\n", version->name ? version->name : "?" );
	printf( "    Version: %d.%d.%d\n",
		version->version_major,
		version->version_minor,
		version->version_patchlevel );
	printf( "    Date: %s\n", version->date ? version->date : "?" );
	printf( "    Desc: %s\n", version->desc ? version->desc : "?" );
	drmFreeVersion(version);
    } else {
	printf( "No driver available\n" );
    }
}
	
void handler(int fd, void *oldctx, void *newctx)
{
    printf("Got fd %d\n", fd);
}

void process_sigio(char *device)
{
    int              fd;

    if ((fd = open(device, 0)) < 0) {
	drmError(-errno, __FUNCTION__);
	exit(1);
    }

    sigio_fd = fd;
    drmInstallSIGIOHandler(fd, handler);
    for (;;) sleep(60);
}

int main(int argc, char **argv)
{
    int            c;
    int            r  = 0;
    int            fd = -1;
    drmHandle      handle;
    void           *address;
    char           *pt;
    unsigned long  count;
    unsigned long  offset;
    unsigned long  size;
    drmContext     context;
    int            loops;
    char           buf[1024];
    int            i;
    drmBufInfoPtr  info;
    drmBufMapPtr   bufs;
    drmLockPtr     lock;
    int            secs;

    while ((c = getopt(argc, argv,
		       "lc:vo:O:f:s:w:W:b:r:R:P:L:C:XS:B:F:")) != EOF)
	switch (c) {
	case 'F':
	    count  = strtoul(optarg, NULL, 0);
	    if (!fork()) {
		dup(fd);
		sleep(count);
	    }
	    close(fd);
	    break;
	case 'v': getversion(fd);                                        break;
	case 'X':
	    if ((r = drmCreateContext(fd, &context))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    printf( "Got %d\n", context);
	    break;
	case 'S':
	    process_sigio(optarg);
	    break;
	case 'C':
	    if ((r = drmSwitchToContext(fd, strtoul(optarg, NULL, 0)))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    break;
	case 'c':
	    if ((r = drmSetBusid(fd,optarg))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    break;
	case 'o':
	    if ((fd = drmOpen(optarg, NULL)) < 0) {
		drmError(fd, argv[0]);
		return 1;
	    }
	    break;
	case 'O':
	    if ((fd = drmOpen(NULL, optarg)) < 0) {
		drmError(fd, argv[0]);
		return 1;
	    }
	    break;
	case 'B':		/* Test buffer allocation */
	    count  = strtoul(optarg, &pt, 0);
	    size   = strtoul(pt+1, &pt, 0);
	    secs   = strtoul(pt+1, NULL, 0);
	    {
		drmDMAReq      dma;
		int            *indices, *sizes;

		indices = alloca(sizeof(*indices) * count);
		sizes   = alloca(sizeof(*sizes)   * count);
		dma.context         = context;
		dma.send_count      = 0;
		dma.request_count   = count;
		dma.request_size    = size;
		dma.request_list    = indices;
		dma.request_sizes   = sizes;
		dma.flags           = DRM_DMA_WAIT;
		if ((r = drmDMA(fd, &dma))) {
		    drmError(r, argv[0]);
		    return 1;
		}
		for (i = 0; i < dma.granted_count; i++) {
		    printf("%5d: index = %d, size = %d\n",
			   i, dma.request_list[i], dma.request_sizes[i]);
		}
		sleep(secs);
		drmFreeBufs(fd, dma.granted_count, indices);
	    }
	    break;
	case 'b':
	    count   = strtoul(optarg, &pt, 0);
	    size    = strtoul(pt+1, NULL, 0);
	    if ((r = drmAddBufs(fd, count, size, 0)) < 0) {
		drmError(r, argv[0]);
		return 1;
	    }
	    if (!(info = drmGetBufInfo(fd))) {
		drmError(0, argv[0]);
		return 1;
	    }
	    for (i = 0; i < info->count; i++) {
		printf("%5d buffers of size %6d (low = %d, high = %d)\n",
		       info->list[i].count,
		       info->list[i].size,
		       info->list[i].low_mark,
		       info->list[i].high_mark);
	    }
	    if ((r = drmMarkBufs(fd, 0.50, 0.80))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    if (!(info = drmGetBufInfo(fd))) {
		drmError(0, argv[0]);
		return 1;
	    }
	    for (i = 0; i < info->count; i++) {
		printf("%5d buffers of size %6d (low = %d, high = %d)\n",
		       info->list[i].count,
		       info->list[i].size,
		       info->list[i].low_mark,
		       info->list[i].high_mark);
	    }
	    printf("===== /proc/graphics/0/mem =====\n");
	    sprintf(buf, "cat /proc/graphics/0/mem");
	    system(buf);
#if 1
	    if (!(bufs = drmMapBufs(fd))) {
		drmError(0, argv[0]);
		return 1;
	    }
	    printf("===============================\n");
	    printf( "%d bufs\n", bufs->count);
	    for (i = 0; i < bufs->count; i++) {
		printf( "  %4d: %8d bytes at %p\n",
			i,
			bufs->list[i].total,
			bufs->list[i].address);
	    }
	    printf("===== /proc/graphics/0/vma =====\n");
	    sprintf(buf, "cat /proc/graphics/0/vma");
	    system(buf);
#endif
	    break;
	case 'f':
	    offset  = strtoul(optarg, &pt, 0);
	    size    = strtoul(pt+1, NULL, 0);
	    handle  = 0;
	    if ((r = drmAddMap(fd, offset, size,
			       DRM_FRAME_BUFFER, 0, &handle))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    printf("0x%08lx:0x%04lx added\n", offset, size);
	    printf("===== /proc/graphics/0/mem =====\n");
	    sprintf(buf, "cat /proc/graphics/0/mem");
	    system(buf);
	    break;
	case 'r':
	case 'R':
	    offset  = strtoul(optarg, &pt, 0);
	    size    = strtoul(pt+1, NULL, 0);
	    handle  = 0;
	    if ((r = drmAddMap(fd, offset, size,
			       DRM_REGISTERS,
			       c == 'R' ? DRM_READ_ONLY : 0,
			       &handle))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    printf("0x%08lx:0x%04lx added\n", offset, size);
	    printf("===== /proc/graphics/0/mem =====\n");
	    sprintf(buf, "cat /proc/graphics/0/mem");
	    system(buf);
	    break;
	case 's':
	    size = strtoul(optarg, &pt, 0);
	    handle = 0;
	    if ((r = drmAddMap(fd, 0, size,
			       DRM_SHM, DRM_CONTAINS_LOCK,
			       &handle))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    printf("0x%04lx byte shm added at 0x%08lx\n", size, handle);
	    sprintf(buf, "cat /proc/graphics/0/vm");
	    system(buf);
	    break;
	case 'P':
	    offset  = strtoul(optarg, &pt, 0);
	    size    = strtoul(pt+1, NULL, 0);
	    address = NULL;
	    if ((r = drmMap(fd, offset, size, &address))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
		   offset, size, address, getpid());
	    printf("===== /proc/graphics/0/vma =====\n");
	    sprintf(buf, "cat /proc/graphics/0/vma");
	    system(buf);
	    mprotect((void *)offset, size, PROT_READ);
	    printf("===== /proc/graphics/0/vma =====\n");
	    sprintf(buf, "cat /proc/graphics/0/vma");
	    system(buf);
	    break;
	case 'w':
	case 'W':
	    offset  = strtoul(optarg, &pt, 0);
	    size    = strtoul(pt+1, NULL, 0);
	    address = NULL;
	    if ((r = drmMap(fd, offset, size, &address))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
		   offset, size, address, getpid());
	    printf("===== /proc/%d/maps =====\n", getpid());
	    sprintf(buf, "cat /proc/%d/maps", getpid());
	    system(buf);
	    printf("===== /proc/grphics/0/mem =====\n");
	    sprintf(buf, "cat /proc/graphics/0/mem");
	    system(buf);
	    printf("===== /proc/graphics/0/vma =====\n");
	    sprintf(buf, "cat /proc/graphics/0/vma");
	    system(buf);
	    printf("===== READING =====\n");
	    for (i = 0; i < 0x10; i++)
		printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
	    printf("\n");
	    if (c == 'w') {
		printf("===== WRITING =====\n");
		for (i = 0; i < size; i+=2) {
		    ((char *)address)[i]   = i & 0xff;
		    ((char *)address)[i+1] = i & 0xff;
		}
	    }
	    printf("===== READING =====\n");
	    for (i = 0; i < 0x10; i++)
		printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
	    printf("\n");
	    printf("===== /proc/graphics/0/vma =====\n");
	    sprintf(buf, "cat /proc/graphics/0/vma");
	    system(buf);
	    break;
	case 'L':
	    context = strtoul(optarg, &pt, 0);
	    offset  = strtoul(pt+1, &pt, 0);
	    size    = strtoul(pt+1, &pt, 0);
	    loops   = strtoul(pt+1, NULL, 0);
	    address = NULL;
	    if ((r = drmMap(fd, offset, size, &address))) {
		drmError(r, argv[0]);
		return 1;
	    }
	    lock       = address;
#if 1
	    {
		int            counter = 0;
		struct timeval loop_start, loop_end;
		struct timeval lock_start, lock_end;
		double         wt;
#define HISTOSIZE 9
		int            histo[HISTOSIZE];
		int            output = 0;
		int            fast   = 0;

		if (loops < 0) {
		    loops = -loops;
		    ++output;
		}

		for (i = 0; i < HISTOSIZE; i++) histo[i] = 0;

		gettimeofday(&loop_start, NULL);
		for (i = 0; i < loops; i++) {
		    gettimeofday(&lock_start, NULL);
		    DRM_LIGHT_LOCK_COUNT(fd,lock,context,fast);
		    gettimeofday(&lock_end, NULL);
		    DRM_UNLOCK(fd,lock,context);
		    ++counter;
		    wt = usec(&lock_end, &lock_start);
		    if      (wt <=      2.5) ++histo[8];
		    if      (wt <       5.0) ++histo[0];
		    else if (wt <      50.0) ++histo[1];
		    else if (wt <     500.0) ++histo[2];
		    else if (wt <    5000.0) ++histo[3];
		    else if (wt <   50000.0) ++histo[4];
		    else if (wt <  500000.0) ++histo[5];
		    else if (wt < 5000000.0) ++histo[6];
		    else                     ++histo[7];
		    if (output) printf( "%.2f uSec, %d fast\n", wt, fast);
		}
		gettimeofday(&loop_end, NULL);
		printf( "Average wait time = %.2f usec, %d fast\n",
			usec(&loop_end, &loop_start) /  counter, fast);
		printf( "%9d <=     2.5 uS\n", histo[8]);
		printf( "%9d <        5 uS\n", histo[0]);
		printf( "%9d <       50 uS\n", histo[1]);
		printf( "%9d <      500 uS\n", histo[2]);
		printf( "%9d <     5000 uS\n", histo[3]);
		printf( "%9d <    50000 uS\n", histo[4]);
		printf( "%9d <   500000 uS\n", histo[5]);
		printf( "%9d <  5000000 uS\n", histo[6]);
		printf( "%9d >= 5000000 uS\n", histo[7]);
	    }
#else
	    printf( "before lock: 0x%08x\n", lock->lock);
	    printf( "lock: 0x%08x\n", lock->lock);
	    sleep(5);
	    printf( "unlock: 0x%08x\n", lock->lock);
#endif
	    break;
	default:
	    fprintf( stderr, "Usage: drmstat [options]\n" );
	    return 1;
	}

    return r; 
}