/*- * Copyright 2003 Eric Anholt * 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 * ERIC ANHOLT 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. */ /** @file drm_sysctl.c * Implementation of various sysctls for controlling DRM behavior and reporting * debug information. */ #include "drmP.h" #include "drm.h" #include 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_bufs_info DRM_SYSCTL_HANDLER_ARGS; struct drm_sysctl_list { const char *name; int (*f) DRM_SYSCTL_HANDLER_ARGS; } drm_sysctl_list[] = { {"name", drm_name_info}, {"vm", drm_vm_info}, {"clients", drm_clients_info}, {"bufs", drm_bufs_info}, }; #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(struct drm_device *dev) { struct drm_sysctl_info *info; struct sysctl_oid *oid; struct sysctl_oid *top, *drioid; int i; info = malloc(sizeof *info, M_DRM, M_WAITOK | M_ZERO); if ( !info ) return 1; 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; } SYSCTL_ADD_INT(&info->ctx, SYSCTL_CHILDREN(top), OID_AUTO, "debug", CTLFLAG_RW, &drm_debug_flag, sizeof(drm_debug_flag), "Enable debugging output"); return 0; } int drm_sysctl_cleanup(struct drm_device *dev) { int error; error = sysctl_ctx_free( &dev->sysctl->ctx ); free(dev->sysctl, M_DRM); dev->sysctl = NULL; return error; } #define DRM_SYSCTL_PRINT(fmt, arg...) \ do { \ snprintf(buf, sizeof(buf), fmt, ##arg); \ retcode = SYSCTL_OUT(req, buf, strlen(buf)); \ if (retcode) \ goto done; \ } while (0) static int drm_name_info DRM_SYSCTL_HANDLER_ARGS { struct drm_device *dev = arg1; char buf[128]; int retcode; int hasunique = 0; DRM_SYSCTL_PRINT("%s 0x%x", dev->driver.name, dev2udev(dev->devnode)); DRM_LOCK(); if (dev->unique) { snprintf(buf, sizeof(buf), " %s", dev->unique); hasunique = 1; } DRM_UNLOCK(); if (hasunique) SYSCTL_OUT(req, buf, strlen(buf)); SYSCTL_OUT(req, "", 1); done: return retcode; } static int drm_vm_info DRM_SYSCTL_HANDLER_ARGS { struct drm_device *dev = arg1; drm_local_map_t *map, *tempmaps; const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; const char *type, *yesno; int i, mapcount; char buf[128]; int retcode; /* We can't hold the lock while doing SYSCTL_OUTs, so allocate a * temporary copy of all the map entries and then SYSCTL_OUT that. */ DRM_LOCK(); mapcount = 0; TAILQ_FOREACH(map, &dev->maplist, link) mapcount++; tempmaps = malloc(sizeof(drm_local_map_t) * mapcount, M_DRM, M_NOWAIT); if (tempmaps == NULL) { DRM_UNLOCK(); return ENOMEM; } i = 0; TAILQ_FOREACH(map, &dev->maplist, link) tempmaps[i++] = *map; DRM_UNLOCK(); DRM_SYSCTL_PRINT("\nslot offset size type flags " "address mtrr\n"); for (i = 0; i < mapcount; i++) { map = &tempmaps[i]; if (map->type < 0 || map->type > 4) type = "??"; else type = types[map->type]; if (!map->mtrr) yesno = "no"; else yesno = "yes"; DRM_SYSCTL_PRINT( "%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx %s\n", i, map->offset, map->size, type, map->flags, (unsigned long)map->handle, yesno); } SYSCTL_OUT(req, "", 1); done: free(tempmaps, M_DRM); return retcode; } static int drm_bufs_info DRM_SYSCTL_HANDLER_ARGS { struct drm_device *dev = arg1; drm_device_dma_t *dma = dev->dma; drm_device_dma_t tempdma; int *templists; int i; char buf[128]; int retcode; /* We can't hold the locks around DRM_SYSCTL_PRINT, so make a temporary * copy of the whole structure and the relevant data from buflist. */ DRM_LOCK(); if (dma == NULL) { DRM_UNLOCK(); return 0; } DRM_SPINLOCK(&dev->dma_lock); tempdma = *dma; templists = malloc(sizeof(int) * dma->buf_count, M_DRM, M_NOWAIT); for (i = 0; i < dma->buf_count; i++) templists[i] = dma->buflist[i]->list; dma = &tempdma; DRM_SPINUNLOCK(&dev->dma_lock); DRM_UNLOCK(); DRM_SYSCTL_PRINT("\n o size count free segs pages kB\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", templists[i]); } DRM_SYSCTL_PRINT("\n"); SYSCTL_OUT(req, "", 1); done: free(templists, M_DRM); return retcode; } static int drm_clients_info DRM_SYSCTL_HANDLER_ARGS { struct drm_device *dev = arg1; drm_file_t *priv, *tempprivs; char buf[128]; int retcode; int privcount, i; DRM_LOCK(); privcount = 0; TAILQ_FOREACH(priv, &dev->files, link) privcount++; tempprivs = malloc(sizeof(drm_file_t) * privcount, M_DRM, M_NOWAIT); if (tempprivs == NULL) { DRM_UNLOCK(); return ENOMEM; } i = 0; TAILQ_FOREACH(priv, &dev->files, link) tempprivs[i++] = *priv; DRM_UNLOCK(); DRM_SYSCTL_PRINT("\na dev pid uid magic ioctls\n"); for (i = 0; i < privcount; i++) { priv = &tempprivs[i]; 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); done: free(tempprivs, M_DRM); return retcode; } href='#n152'>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 
/* via_irq.c
 *
 * Copyright 2004 BEAM Ltd.
 * Copyright 2002 Tungsten Graphics, Inc.
 * Copyright 2005 Thomas Hellstrom.
 * 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
 * BEAM LTD, TUNGSTEN GRAPHICS  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:
 *    Terry Barnaby <terry1@beam.ltd.uk>
 *    Keith Whitwell <keith@tungstengraphics.com>
 *    Thomas Hellstrom <unichrome@shipmail.org>
 *
 * This code provides standard DRM access to the Via Unichrome / Pro Vertical blank
 * interrupt, as well as an infrastructure to handle other interrupts of the chip.
 * The refresh rate is also calculated for video playback sync purposes.
 */

#include "drmP.h"
#include "drm.h"
#include "via_drm.h"
#include "via_drv.h"

#define VIA_REG_INTERRUPT       0x200

/* VIA_REG_INTERRUPT */
#define VIA_IRQ_GLOBAL	  (1 << 31)
#define VIA_IRQ_VBLANK_ENABLE   (1 << 19)
#define VIA_IRQ_VBLANK_PENDING  (1 << 3)
#define VIA_IRQ_HQV0_ENABLE     (1 << 11)
#define VIA_IRQ_HQV1_ENABLE     (1 << 25)
#define VIA_IRQ_HQV0_PENDING    (1 << 9)
#define VIA_IRQ_HQV1_PENDING    (1 << 10)
#define VIA_IRQ_DMA0_DD_ENABLE  (1 << 20)
#define VIA_IRQ_DMA0_TD_ENABLE  (1 << 21)
#define VIA_IRQ_DMA1_DD_ENABLE  (1 << 22)
#define VIA_IRQ_DMA1_TD_ENABLE  (1 << 23)
#define VIA_IRQ_DMA0_DD_PENDING (1 << 4)
#define VIA_IRQ_DMA0_TD_PENDING (1 << 5)
#define VIA_IRQ_DMA1_DD_PENDING (1 << 6)
#define VIA_IRQ_DMA1_TD_PENDING (1 << 7)


/*
 * Device-specific IRQs go here. This type might need to be extended with