/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@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 * VA LINUX SYSTEMS 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 * Gareth Hughes * */ #include "drmP.h" #include "drm.h" #include "mga_drm.h" #include "mga_drv.h" #include "drm_pciids.h" /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ static drm_pci_id_list_t mga_pciidlist[] = { mga_PCI_IDS }; /** * Determine if the device really is AGP or not. * * In addition to the usual tests performed by \c drm_device_is_agp, this * function detects PCI G450 cards that appear to the system exactly like * AGP G450 cards. * * \param dev The device to be tested. * * \returns * If the device is a PCI G450, zero is returned. Otherwise non-zero is * returned. * * \bug * This function needs to be filled in! The implementation in * linux-core/mga_drv.c shows what needs to be done. */ static int mga_driver_device_is_agp(drm_device_t * dev) { device_t bus; /* There are PCI versions of the G450. These cards have the * same PCI ID as the AGP G450, but have an additional PCI-to-PCI * bridge chip. We detect these cards, which are not currently * supported by this driver, by looking at the device ID of the * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the * device. */ #if __FreeBSD_version >= 700010 bus = device_get_parent(device_get_parent(dev->device)); #else bus = device_get_parent(dev->device); #endif if (pci_get_device(dev->device) == 0x0525 && pci_get_vendor(bus) == 0x3388 && pci_get_device(bus) == 0x0021) return DRM_IS_NOT_AGP; else return DRM_MIGHT_BE_AGP; } static void mga_configure(drm_device_t *dev) { dev->driver.buf_priv_size = sizeof(drm_mga_buf_priv_t); dev->driver.load = mga_driver_load; dev->driver.unload = mga_driver_unload; dev->driver.lastclose = mga_driver_lastclose; dev->driver.vblank_wait = mga_driver_vblank_wait; dev->driver.irq_preinstall = mga_driver_irq_preinstall; dev->driver.irq_postinstall = mga_driver_irq_postinstall; dev->driver.irq_uninstall = mga_driver_irq_uninstall; dev->driver.irq_handler = mga_driver_irq_handler; dev->driver.dma_ioctl = mga_dma_buffers; dev->driver.dma_quiescent = mga_driver_dma_quiescent; dev->driver.device_is_agp = mga_driver_device_is_agp; dev->driver.ioctls = mga_ioctls; dev->driver.max_ioctl = mga_max_ioctl; dev->driver.name = DRIVER_NAME; dev->driver.desc = DRIVER_DESC; dev->driver.date = DRIVER_DATE; dev->driver.major = DRIVER_MAJOR; dev->driver.minor = DRIVER_MINOR; dev->driver.patchlevel = DRIVER_PATCHLEVEL; dev->driver.use_agp = 1; dev->driver.require_agp = 1; dev->driver.use_mtrr = 1; dev->driver.use_dma = 1; dev->driver.use_irq = 1; dev->driver.use_vbl_irq = 1; } #ifdef __FreeBSD__ static int mga_probe(device_t dev) { return drm_probe(dev, mga_pciidlist); } static int mga_attach(device_t nbdev) { drm_device_t *dev = device_get_softc(nbdev); bzero(dev, sizeof(drm_device_t)); mga_configure(dev); return drm_attach(nbdev, mga_pciidlist); } static device_method_t mga_methods[] = { /* Device interface */ DEVMETHOD(device_probe, mga_probe), DEVMETHOD(device_attach, mga_attach), DEVMETHOD(device_detach, drm_detach), { 0, 0 } }; static driver_t mga_driver = { "drm", mga_methods, sizeof(drm_device_t) }; extern devclass_t drm_devclass; #if __FreeBSD_version >= 700010 DRIVER_MODULE(mga, vgapci, mga_driver, drm_devclass, 0, 0); #else DRIVER_MODULE(mga, pci, mga_driver, drm_devclass, 0, 0); #endif MODULE_DEPEND(mga, drm, 1, 1, 1); #elif defined(__NetBSD__) || defined(__OpenBSD__) #ifdef _LKM CFDRIVER_DECL(mga, DV_TTY, NULL); #else CFATTACH_DECL(mga, sizeof(drm_device_t), drm_probe, drm_attach, drm_detach, drm_activate); #endif #endif d='n73' href='#n73'>73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 
/*
 * $FreeBSD: src/sys/dev/drm/drm_sysctl.h,v 1.2 2003/03/09 02:08:28 anholt Exp $
 */

#ifdef __FreeBSD__

#include <sys/sysctl.h>

static int	   DRM(name_info)DRM_SYSCTL_HANDLER_ARGS;
static int	   DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
static int	   DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
static int	   DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
static int	   DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
#if DRM_DMA_HISTOGRAM
static int	   DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
#endif

struct DRM(sysctl_list) {
	const char *name;
	int	   (*f) DRM_SYSCTL_HANDLER_ARGS;
} DRM(sysctl_list)[] = {
	{ "name",    DRM(name_info)    },
	{ "mem",     DRM(mem_info)     },
	{ "vm",	     DRM(vm_info)      },
	{ "clients", DRM(clients_info) },
	{ "queues",  DRM(queues_info)  },
	{ "bufs",    DRM(bufs_info)    },
#if DRM_DMA_HISTOGRAM
	{ "histo",   drm_histo_info)   },
#endif
};
#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))

struct drm_sysctl_info {
	struct sysctl_ctx_list ctx;
	char		       name[2];
};

int DRM(sysctl_init)(drm_device_t *dev)
{
	struct drm_sysctl_info *info;
	struct sysctl_oid *oid;
	struct sysctl_oid *top, *drioid;
	int		  i;

	info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER);
	if ( !info )
		return 1;
	bzero(info, sizeof *info);
	dev->sysctl = info;

	/* Add the sysctl node for DRI if it doesn't already exist */
	drioid = SYSCTL_ADD_NODE( &info->ctx, &sysctl__hw_children, OID_AUTO, "dri", CTLFLAG_RW, NULL, "DRI Graphics");
	if (!drioid)
		return 1;

	/* Find the next free slot under hw.dri */
	i = 0;
	SLIST_FOREACH(oid, SYSCTL_CHILDREN(drioid), oid_link) {
		if (i <= oid->oid_arg2)
			i = oid->oid_arg2 + 1;
	}
	if (i>9)
		return 1;
	
	/* Add the hw.dri.x for our device */
	info->name[0] = '0' + i;
	info->name[1] = 0;
	top = SYSCTL_ADD_NODE( &info->ctx, SYSCTL_CHILDREN(drioid), OID_AUTO, info->name, CTLFLAG_RW, NULL, NULL);
	if (!top)
		return 1;
	
	for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) {
		oid = sysctl_add_oid( &info->ctx, 
			SYSCTL_CHILDREN(top), 
			OID_AUTO, 
			DRM(sysctl_list)[i].name, 
			CTLTYPE_INT | CTLFLAG_RD, 
			dev, 
			0, 
			DRM(sysctl_list)[i].f, 
			"A", 
			NULL);
		if (!oid)
			return 1;
	}
	return 0;
}

int DRM(sysctl_cleanup)(drm_device_t *dev)
{
	int error;
	error = sysctl_ctx_free( &dev->sysctl->ctx );

	DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER);
	dev->sysctl = NULL;

	return error;
}

static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	char buf[128];
	int error;

	if (dev->unique) {
		DRM_SYSCTL_PRINT("%s 0x%x %s\n",
			       dev->name, dev2udev(dev->devnode), dev->unique);
	} else {
		DRM_SYSCTL_PRINT("%s 0x%x\n", dev->name, dev2udev(dev->devnode));
	}

	SYSCTL_OUT(req, "", 1);

	return 0;
}

static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	drm_local_map_t    *map;
	drm_map_list_entry_t    *listentry;
	const char   *types[] = { "FB", "REG", "SHM" };
	const char   *type;
	int	     i=0;
	char         buf[128];
	int          error;

	DRM_SYSCTL_PRINT("slot	 offset	      size type flags	 "
			 "address mtrr\n\n");
	error = SYSCTL_OUT(req, buf, strlen(buf));
	if (error) return error;

	if (dev->maplist != NULL) {
		TAILQ_FOREACH(listentry, dev->maplist, link) {
			map = listentry->map;
			if (map->type < 0 || map->type > 2) type = "??";
			else				    type = types[map->type];
			DRM_SYSCTL_PRINT("%4d 0x%08lx 0x%08lx %4.4s  0x%02x 0x%08lx ",
					 i,
					 map->offset,
					 map->size,
					 type,
					 map->flags,
					 (unsigned long)map->handle);
			if (map->mtrr < 0) {
				DRM_SYSCTL_PRINT("none\n");
			} else {
				DRM_SYSCTL_PRINT("%4d\n", map->mtrr);
			}
			i++;
		}
	}
	SYSCTL_OUT(req, "", 1);

	return 0;
}

static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = DRM(_vm_info)(oidp, arg1, arg2, req);
	DRM_UNLOCK;

	return ret;
}


static int DRM(_queues_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     i;
	drm_queue_t  *q;
	char         buf[128];
	int          error;

	DRM_SYSCTL_PRINT("  ctx/flags   use   fin"
			 "   blk/rw/rwf  wait    flushed	   queued"
			 "      locks\n\n");
	for (i = 0; i < dev->queue_count; i++) {
		q = dev->queuelist[i];
		atomic_inc(&q->use_count);
		DRM_SYSCTL_PRINT_RET(atomic_dec(&q->use_count),
				     "%5d/0x%03x %5d %5d"
				     " %5d/%c%c/%c%c%c %5d %10d %10d %10d\n",
				     i,
				     q->flags,
				     atomic_read(&q->use_count),
				     atomic_read(&q->finalization),
				     atomic_read(&q->block_count),
				     atomic_read(&q->block_read) ? 'r' : '-',
				     atomic_read(&q->block_write) ? 'w' : '-',
				     q->read_queue ? 'r':'-',
				     q->write_queue ? 'w':'-',
				     q->flush_queue ? 'f':'-',
				     (int)DRM_BUFCOUNT(&q->waitlist),
				     atomic_read(&q->total_flushed),
				     atomic_read(&q->total_queued),
				     atomic_read(&q->total_locks));
		atomic_dec(&q->use_count);
	}

	SYSCTL_OUT(req, "", 1);
	return 0;
}

static int DRM(queues_info) DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = DRM(_queues_info)(oidp, arg1, arg2, req);
	DRM_UNLOCK;
	return ret;
}

/* drm_bufs_info is called whenever a process reads
   hw.dri.0.bufs. */

static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t	 *dev = arg1;
	drm_device_dma_t *dma = dev->dma;
	int		 i;
	char             buf[128];
	int              error;

	if (!dma)	return 0;
	DRM_SYSCTL_PRINT(" o     size count  free	 segs pages    kB\n\n");
	for (i = 0; i <= DRM_MAX_ORDER; i++) {
		if (dma->bufs[i].buf_count)
			DRM_SYSCTL_PRINT("%2d %8d %5d %5d %5d %5d %5d\n",
				       i,
				       dma->bufs[i].buf_size,
				       dma->bufs[i].buf_count,
				       atomic_read(&dma->bufs[i]
						   .freelist.count),
				       dma->bufs[i].seg_count,
				       dma->bufs[i].seg_count
				       *(1 << dma->bufs[i].page_order),
				       (dma->bufs[i].seg_count
					* (1 << dma->bufs[i].page_order))
				       * PAGE_SIZE / 1024);
	}
	DRM_SYSCTL_PRINT("\n");
	for (i = 0; i < dma->buf_count; i++) {
		if (i && !(i%32)) DRM_SYSCTL_PRINT("\n");
		DRM_SYSCTL_PRINT(" %d", dma->buflist[i]->list);
	}
	DRM_SYSCTL_PRINT("\n");

	SYSCTL_OUT(req, "", 1);
	return 0;
}

static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
	DRM_UNLOCK;
	return ret;
}


static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	drm_file_t   *priv;
	char         buf[128];
	int          error;

	DRM_SYSCTL_PRINT("a dev	pid    uid	magic	  ioctls\n\n");
	TAILQ_FOREACH(priv, &dev->files, link) {
		DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
			       priv->authenticated ? 'y' : 'n',
			       priv->minor,
			       priv->pid,
			       priv->uid,
			       priv->magic,
			       priv->ioctl_count);
	}

	SYSCTL_OUT(req, "", 1);
	return 0;
}

static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = DRM(_clients_info)(oidp, arg1, arg2, req);
	DRM_UNLOCK;
	return ret;
}


#if DRM_DMA_HISTOGRAM
static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t	 *dev = arg1;
	drm_device_dma_t *dma = dev->dma;
	int		 i;
	unsigned long	 slot_value = DRM_DMA_HISTOGRAM_INITIAL;
	unsigned long	 prev_value = 0;
	drm_buf_t	 *buffer;
	char		 buf[128];
	int              error;

	DRM_SYSCTL_PRINT("general statistics:\n");
	DRM_SYSCTL_PRINT("total	 %10u\n", atomic_read(&dev->histo.total));
	DRM_SYSCTL_PRINT("open	 %10u\n", atomic_read(&dev->total_open));
	DRM_SYSCTL_PRINT("close	 %10u\n", atomic_read(&dev->total_close));
	DRM_SYSCTL_PRINT("ioctl	 %10u\n", atomic_read(&dev->total_ioctl));
	DRM_SYSCTL_PRINT("irq	 %10u\n", atomic_read(&dev->total_irq));
	DRM_SYSCTL_PRINT("ctx	 %10u\n", atomic_read(&dev->total_ctx));
	
	DRM_SYSCTL_PRINT("\nlock statistics:\n");
	DRM_SYSCTL_PRINT("locks	 %10u\n", atomic_read(&dev->total_locks));
	DRM_SYSCTL_PRINT("unlocks	 %10u\n", atomic_read(&dev->total_unlocks));
	DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
	DRM_SYSCTL_PRINT("sleeps	 %10u\n", atomic_read(&dev->total_sleeps));


	if (dma) {
		DRM_SYSCTL_PRINT("\ndma statistics:\n");
		DRM_SYSCTL_PRINT("prio	 %10u\n",
			       atomic_read(&dma->total_prio));
		DRM_SYSCTL_PRINT("bytes	 %10u\n",
			       atomic_read(&dma->total_bytes));
		DRM_SYSCTL_PRINT("dmas	 %10u\n",
			       atomic_read(&dma->total_dmas));
		DRM_SYSCTL_PRINT("missed:\n");
		DRM_SYSCTL_PRINT("  dma	 %10u\n",
			       atomic_read(&dma->total_missed_dma));
		DRM_SYSCTL_PRINT("  lock	 %10u\n",
			       atomic_read(&dma->total_missed_lock));
		DRM_SYSCTL_PRINT("  free	 %10u\n",
			       atomic_read(&dma->total_missed_free));
		DRM_SYSCTL_PRINT("  sched	 %10u\n",
			       atomic_read(&dma->total_missed_sched));
		DRM_SYSCTL_PRINT("tried	 %10u\n",
			       atomic_read(&dma->total_tried));
		DRM_SYSCTL_PRINT("hit	 %10u\n",
			       atomic_read(&dma->total_hit));
		DRM_SYSCTL_PRINT("lost	 %10u\n",
			       atomic_read(&dma->total_lost));
		
		buffer = dma->next_buffer;
		if (buffer) {
			DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
		} else {
			DRM_SYSCTL_PRINT("next_buffer    none\n");
		}
		buffer = dma->this_buffer;
		if (buffer) {
			DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
		} else {
			DRM_SYSCTL_PRINT("this_buffer    none\n");
		}
	}
	

	DRM_SYSCTL_PRINT("\nvalues:\n");
	if (dev->lock.hw_lock) {
		DRM_SYSCTL_PRINT("lock	       0x%08x\n",
			       dev->lock.hw_lock->lock);
	} else {
		DRM_SYSCTL_PRINT("lock		     none\n");
	}
	DRM_SYSCTL_PRINT("context_flag   0x%08x\n", dev->context_flag);
	DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
	DRM_SYSCTL_PRINT("dma_flag       0x%08x\n", dev->dma_flag);

	DRM_SYSCTL_PRINT("queue_count    %10d\n",	 dev->queue_count);
	DRM_SYSCTL_PRINT("last_context   %10d\n",	 dev->last_context);
	DRM_SYSCTL_PRINT("last_switch    %10u\n",	 dev->last_switch);
	DRM_SYSCTL_PRINT("last_checked   %10d\n",	 dev->last_checked);
		
	
	DRM_SYSCTL_PRINT("\n		       q2d	  d2c	     c2f"
		       "	q2c	   q2f	      dma	 sch"
		       "	ctx	  lacq	     lhld\n\n");
	for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
		DRM_SYSCTL_PRINT("%s %10lu %10u %10u %10u %10u %10u"
			       " %10u %10u %10u %10u %10u\n",
			       i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
			       i == DRM_DMA_HISTOGRAM_SLOTS - 1
			       ? prev_value : slot_value ,
			       
			       atomic_read(&dev->histo
					   .queued_to_dispatched[i]),
			       atomic_read(&dev->histo
					   .dispatched_to_completed[i]),
			       atomic_read(&dev->histo
					   .completed_to_freed[i]),
			       
			       atomic_read(&dev->histo
					   .queued_to_completed[i]),
			       atomic_read(&dev->histo
					   .queued_to_freed[i]),
			       atomic_read(&dev->histo.dma[i]),
			       atomic_read(&dev->histo.schedule[i]),
			       atomic_read(&dev->histo.ctx[i]),
			       atomic_read(&dev->histo.lacq[i]),
			       atomic_read(&dev->histo.lhld[i]));
		prev_value = slot_value;
		slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
	}
	SYSCTL_OUT(req, "", 1);
	return 0;
}

static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
{
	drm_device_t *dev = arg1;
	int	     ret;

	DRM_LOCK;
	ret = _drm_histo_info(oidp, arg1, arg2, req);
	DRM_UNLOCK;
	return ret;
}
#endif

#elif defined(__NetBSD__)
/* stub it out for now, sysctl is only for debugging */
int DRM(sysctl_init)(drm_device_t *dev)
{
	return 0;
}

int DRM(sysctl_cleanup)(drm_device_t *dev)
{
	return 0;
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-30 16:26:07 +0000