17f3c3d6fSHasso Tepper /*- 27f3c3d6fSHasso Tepper * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. 37f3c3d6fSHasso Tepper * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 47f3c3d6fSHasso Tepper * All Rights Reserved. 57f3c3d6fSHasso Tepper * 67f3c3d6fSHasso Tepper * Permission is hereby granted, free of charge, to any person obtaining a 77f3c3d6fSHasso Tepper * copy of this software and associated documentation files (the "Software"), 87f3c3d6fSHasso Tepper * to deal in the Software without restriction, including without limitation 97f3c3d6fSHasso Tepper * the rights to use, copy, modify, merge, publish, distribute, sublicense, 107f3c3d6fSHasso Tepper * and/or sell copies of the Software, and to permit persons to whom the 117f3c3d6fSHasso Tepper * Software is furnished to do so, subject to the following conditions: 127f3c3d6fSHasso Tepper * 137f3c3d6fSHasso Tepper * The above copyright notice and this permission notice (including the next 147f3c3d6fSHasso Tepper * paragraph) shall be included in all copies or substantial portions of the 157f3c3d6fSHasso Tepper * Software. 167f3c3d6fSHasso Tepper * 177f3c3d6fSHasso Tepper * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 187f3c3d6fSHasso Tepper * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 197f3c3d6fSHasso Tepper * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 207f3c3d6fSHasso Tepper * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 217f3c3d6fSHasso Tepper * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 227f3c3d6fSHasso Tepper * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 237f3c3d6fSHasso Tepper * OTHER DEALINGS IN THE SOFTWARE. 247f3c3d6fSHasso Tepper * 257f3c3d6fSHasso Tepper * Authors: 267f3c3d6fSHasso Tepper * Rickard E. (Rik) Faith <faith@valinux.com> 277f3c3d6fSHasso Tepper * Gareth Hughes <gareth@valinux.com> 287f3c3d6fSHasso Tepper * 297f3c3d6fSHasso Tepper */ 307f3c3d6fSHasso Tepper 317f3c3d6fSHasso Tepper /** @file drm_drv.c 327f3c3d6fSHasso Tepper * The catch-all file for DRM device support, including module setup/teardown, 337f3c3d6fSHasso Tepper * open/close, and ioctl dispatch. 347f3c3d6fSHasso Tepper */ 357f3c3d6fSHasso Tepper 367f3c3d6fSHasso Tepper #include <machine/limits.h> 37*b3705d71SHasso Tepper #include "dev/drm/drmP.h" 38*b3705d71SHasso Tepper #include "dev/drm/drm.h" 39*b3705d71SHasso Tepper #include "dev/drm/drm_sarea.h" 407f3c3d6fSHasso Tepper 417f3c3d6fSHasso Tepper #ifdef DRM_DEBUG_DEFAULT_ON 427f3c3d6fSHasso Tepper int drm_debug_flag = 1; 437f3c3d6fSHasso Tepper #else 447f3c3d6fSHasso Tepper int drm_debug_flag = 0; 457f3c3d6fSHasso Tepper #endif 467f3c3d6fSHasso Tepper 47*b3705d71SHasso Tepper static int drm_load(struct drm_device *dev); 48*b3705d71SHasso Tepper static void drm_unload(struct drm_device *dev); 497f3c3d6fSHasso Tepper static drm_pci_id_list_t *drm_find_description(int vendor, int device, 507f3c3d6fSHasso Tepper drm_pci_id_list_t *idlist); 517f3c3d6fSHasso Tepper 527f3c3d6fSHasso Tepper #define DRIVER_SOFTC(unit) \ 53*b3705d71SHasso Tepper ((struct drm_device *)devclass_get_softc(drm_devclass, unit)) 547f3c3d6fSHasso Tepper 557f3c3d6fSHasso Tepper MODULE_VERSION(drm, 1); 567f3c3d6fSHasso Tepper MODULE_DEPEND(drm, agp, 1, 1, 1); 577f3c3d6fSHasso Tepper MODULE_DEPEND(drm, pci, 1, 1, 1); 587f3c3d6fSHasso Tepper MODULE_DEPEND(drm, mem, 1, 1, 1); 597f3c3d6fSHasso Tepper 607f3c3d6fSHasso Tepper static drm_ioctl_desc_t drm_ioctls[256] = { 617f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, 0), 627f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0), 637f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0), 647f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY), 657f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, 0), 667f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, 0), 677f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, 0), 687f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER|DRM_ROOT_ONLY), 697f3c3d6fSHasso Tepper 707f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 717f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_BLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 727f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_UNBLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 737f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AUTH_MAGIC, drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 747f3c3d6fSHasso Tepper 757f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_ADD_MAP, drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 767f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_RM_MAP, drm_rmmap_ioctl, DRM_AUTH), 777f3c3d6fSHasso Tepper 787f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 797f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH), 807f3c3d6fSHasso Tepper 81*b3705d71SHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY), 827f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 837f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 847f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_GET_CTX, drm_getctx, DRM_AUTH), 857f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_SWITCH_CTX, drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 867f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_NEW_CTX, drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 877f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_RES_CTX, drm_resctx, DRM_AUTH), 887f3c3d6fSHasso Tepper 897f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_ADD_DRAW, drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 907f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_RM_DRAW, drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 917f3c3d6fSHasso Tepper 927f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_LOCK, drm_lock, DRM_AUTH), 937f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_UNLOCK, drm_unlock, DRM_AUTH), 94*b3705d71SHasso Tepper 957f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_FINISH, drm_noop, DRM_AUTH), 967f3c3d6fSHasso Tepper 97*b3705d71SHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_ADD_BUFS, drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 98*b3705d71SHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_MARK_BUFS, drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 997f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_INFO_BUFS, drm_infobufs, DRM_AUTH), 1007f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_MAP_BUFS, drm_mapbufs, DRM_AUTH), 1017f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_FREE_BUFS, drm_freebufs, DRM_AUTH), 1027f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_DMA, drm_dma, DRM_AUTH), 1037f3c3d6fSHasso Tepper 1047f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_CONTROL, drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1057f3c3d6fSHasso Tepper 1067f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_ACQUIRE, drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1077f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_RELEASE, drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1087f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_ENABLE, drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1097f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_INFO, drm_agp_info_ioctl, DRM_AUTH), 1107f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_ALLOC, drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1117f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_FREE, drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1127f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_BIND, drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1137f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND, drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1147f3c3d6fSHasso Tepper 1157f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1167f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1177f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, 0), 118*b3705d71SHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0), 1197f3c3d6fSHasso Tepper DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_draw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1207f3c3d6fSHasso Tepper }; 1217f3c3d6fSHasso Tepper 1227f3c3d6fSHasso Tepper static struct dev_ops drm_cdevsw = { 1237f3c3d6fSHasso Tepper { "drm", 145, D_TRACKCLOSE }, 1247f3c3d6fSHasso Tepper .d_open = drm_open, 1257f3c3d6fSHasso Tepper .d_read = drm_read, 1267f3c3d6fSHasso Tepper .d_ioctl = drm_ioctl, 1277f3c3d6fSHasso Tepper .d_poll = drm_poll, 1287f3c3d6fSHasso Tepper .d_mmap = drm_mmap 1297f3c3d6fSHasso Tepper }; 1307f3c3d6fSHasso Tepper 131*b3705d71SHasso Tepper int drm_msi = 1; /* Enable by default. */ 132*b3705d71SHasso Tepper TUNABLE_INT("hw.drm.msi", &drm_msi); 133*b3705d71SHasso Tepper 134*b3705d71SHasso Tepper static struct drm_msi_blacklist_entry drm_msi_blacklist[] = { 135*b3705d71SHasso Tepper {0x8086, 0x2772}, /* Intel i945G */ \ 136*b3705d71SHasso Tepper {0x8086, 0x27A2}, /* Intel i945GM */ \ 137*b3705d71SHasso Tepper {0x8086, 0x27AE}, /* Intel i945GME */ \ 138*b3705d71SHasso Tepper {0, 0} 139*b3705d71SHasso Tepper }; 140*b3705d71SHasso Tepper 141*b3705d71SHasso Tepper static int drm_msi_is_blacklisted(int vendor, int device) 142*b3705d71SHasso Tepper { 143*b3705d71SHasso Tepper int i = 0; 144*b3705d71SHasso Tepper 145*b3705d71SHasso Tepper for (i = 0; drm_msi_blacklist[i].vendor != 0; i++) { 146*b3705d71SHasso Tepper if ((drm_msi_blacklist[i].vendor == vendor) && 147*b3705d71SHasso Tepper (drm_msi_blacklist[i].device == device)) { 148*b3705d71SHasso Tepper return 1; 149*b3705d71SHasso Tepper } 150*b3705d71SHasso Tepper } 151*b3705d71SHasso Tepper 152*b3705d71SHasso Tepper return 0; 153*b3705d71SHasso Tepper } 154*b3705d71SHasso Tepper 155*b3705d71SHasso Tepper int drm_probe(device_t kdev, drm_pci_id_list_t *idlist) 1567f3c3d6fSHasso Tepper { 1577f3c3d6fSHasso Tepper drm_pci_id_list_t *id_entry; 1587f3c3d6fSHasso Tepper int vendor, device; 1597f3c3d6fSHasso Tepper device_t realdev; 1607f3c3d6fSHasso Tepper 161*b3705d71SHasso Tepper if (!strcmp(device_get_name(kdev), "drmsub")) 162*b3705d71SHasso Tepper realdev = device_get_parent(kdev); 1637f3c3d6fSHasso Tepper else 164*b3705d71SHasso Tepper realdev = kdev; 1657f3c3d6fSHasso Tepper vendor = pci_get_vendor(realdev); 1667f3c3d6fSHasso Tepper device = pci_get_device(realdev); 167*b3705d71SHasso Tepper 168*b3705d71SHasso Tepper #if 0 /* XXX */ 169*b3705d71SHasso Tepper if (pci_get_class(kdev) != PCIC_DISPLAY 170*b3705d71SHasso Tepper || pci_get_subclass(kdev) != PCIS_DISPLAY_VGA) 171*b3705d71SHasso Tepper return ENXIO; 1727f3c3d6fSHasso Tepper #endif 1737f3c3d6fSHasso Tepper 1747f3c3d6fSHasso Tepper id_entry = drm_find_description(vendor, device, idlist); 1757f3c3d6fSHasso Tepper if (id_entry != NULL) { 176*b3705d71SHasso Tepper if (!device_get_desc(kdev)) { 177*b3705d71SHasso Tepper DRM_DEBUG("desc : %s\n", device_get_desc(kdev)); 178*b3705d71SHasso Tepper device_set_desc(kdev, id_entry->name); 179*b3705d71SHasso Tepper } 1807f3c3d6fSHasso Tepper return 0; 1817f3c3d6fSHasso Tepper } 1827f3c3d6fSHasso Tepper 1837f3c3d6fSHasso Tepper return ENXIO; 1847f3c3d6fSHasso Tepper } 1857f3c3d6fSHasso Tepper 186*b3705d71SHasso Tepper int drm_attach(device_t kdev, drm_pci_id_list_t *idlist) 1877f3c3d6fSHasso Tepper { 188*b3705d71SHasso Tepper struct drm_device *dev; 1897f3c3d6fSHasso Tepper drm_pci_id_list_t *id_entry; 1907f3c3d6fSHasso Tepper int unit; 191*b3705d71SHasso Tepper #if 0 192*b3705d71SHasso Tepper int msicount; 193*b3705d71SHasso Tepper #endif 1947f3c3d6fSHasso Tepper 195*b3705d71SHasso Tepper unit = device_get_unit(kdev); 196*b3705d71SHasso Tepper dev = device_get_softc(kdev); 1977f3c3d6fSHasso Tepper 198*b3705d71SHasso Tepper if (!strcmp(device_get_name(kdev), "drmsub")) 199*b3705d71SHasso Tepper dev->device = device_get_parent(kdev); 2007f3c3d6fSHasso Tepper else 201*b3705d71SHasso Tepper dev->device = kdev; 202*b3705d71SHasso Tepper 2037f3c3d6fSHasso Tepper dev_ops_add(&drm_cdevsw, -1, unit); 2047f3c3d6fSHasso Tepper dev->devnode = make_dev(&drm_cdevsw, 2057f3c3d6fSHasso Tepper unit, 2067f3c3d6fSHasso Tepper DRM_DEV_UID, 2077f3c3d6fSHasso Tepper DRM_DEV_GID, 2087f3c3d6fSHasso Tepper DRM_DEV_MODE, 2097f3c3d6fSHasso Tepper "dri/card%d", unit); 2107f3c3d6fSHasso Tepper 211*b3705d71SHasso Tepper dev->pci_domain = 0; 212*b3705d71SHasso Tepper dev->pci_bus = pci_get_bus(dev->device); 213*b3705d71SHasso Tepper dev->pci_slot = pci_get_slot(dev->device); 214*b3705d71SHasso Tepper dev->pci_func = pci_get_function(dev->device); 215*b3705d71SHasso Tepper 216*b3705d71SHasso Tepper dev->pci_vendor = pci_get_vendor(dev->device); 217*b3705d71SHasso Tepper dev->pci_device = pci_get_device(dev->device); 218*b3705d71SHasso Tepper 219*b3705d71SHasso Tepper if (drm_msi && 220*b3705d71SHasso Tepper !drm_msi_is_blacklisted(dev->pci_vendor, dev->pci_device)) { 221*b3705d71SHasso Tepper #if 0 222*b3705d71SHasso Tepper msicount = pci_msi_count(dev->device); 223*b3705d71SHasso Tepper DRM_DEBUG("MSI count = %d\n", msicount); 224*b3705d71SHasso Tepper if (msicount > 1) 225*b3705d71SHasso Tepper msicount = 1; 226*b3705d71SHasso Tepper 227*b3705d71SHasso Tepper if (pci_alloc_msi(dev->device, &msicount) == 0) { 228*b3705d71SHasso Tepper DRM_INFO("MSI enabled %d message(s)\n", msicount); 229*b3705d71SHasso Tepper dev->msi_enabled = 1; 230*b3705d71SHasso Tepper dev->irqrid = 1; 231*b3705d71SHasso Tepper } 232*b3705d71SHasso Tepper #endif 233*b3705d71SHasso Tepper } 234*b3705d71SHasso Tepper 235*b3705d71SHasso Tepper dev->irqr = bus_alloc_resource_any(dev->device, SYS_RES_IRQ, 236*b3705d71SHasso Tepper &dev->irqrid, RF_SHAREABLE); 237*b3705d71SHasso Tepper if (!dev->irqr) { 238*b3705d71SHasso Tepper return ENOENT; 239*b3705d71SHasso Tepper } 240*b3705d71SHasso Tepper 241*b3705d71SHasso Tepper dev->irq = (int) rman_get_start(dev->irqr); 242*b3705d71SHasso Tepper 243*b3705d71SHasso Tepper DRM_SPININIT(&dev->dev_lock, "drmdev"); 244*b3705d71SHasso Tepper lwkt_serialize_init(&dev->irq_lock); 245*b3705d71SHasso Tepper DRM_SPININIT(&dev->vbl_lock, "drmvbl"); 246*b3705d71SHasso Tepper DRM_SPININIT(&dev->drw_lock, "drmdrw"); 247*b3705d71SHasso Tepper 248*b3705d71SHasso Tepper id_entry = drm_find_description(dev->pci_vendor, 249*b3705d71SHasso Tepper dev->pci_device, idlist); 2507f3c3d6fSHasso Tepper dev->id_entry = id_entry; 2517f3c3d6fSHasso Tepper 2527f3c3d6fSHasso Tepper return drm_load(dev); 2537f3c3d6fSHasso Tepper } 2547f3c3d6fSHasso Tepper 255*b3705d71SHasso Tepper int drm_detach(device_t kdev) 2567f3c3d6fSHasso Tepper { 257*b3705d71SHasso Tepper struct drm_device *dev; 258*b3705d71SHasso Tepper 259*b3705d71SHasso Tepper dev = device_get_softc(kdev); 260*b3705d71SHasso Tepper 261*b3705d71SHasso Tepper drm_unload(dev); 262*b3705d71SHasso Tepper 263*b3705d71SHasso Tepper bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid, dev->irqr); 264*b3705d71SHasso Tepper 265*b3705d71SHasso Tepper #if 0 266*b3705d71SHasso Tepper if (dev->msi_enabled) { 267*b3705d71SHasso Tepper pci_release_msi(dev->device); 268*b3705d71SHasso Tepper DRM_INFO("MSI released\n"); 269*b3705d71SHasso Tepper } 270*b3705d71SHasso Tepper #endif 271*b3705d71SHasso Tepper 2727f3c3d6fSHasso Tepper return 0; 2737f3c3d6fSHasso Tepper } 2747f3c3d6fSHasso Tepper 2757f3c3d6fSHasso Tepper #ifndef DRM_DEV_NAME 2767f3c3d6fSHasso Tepper #define DRM_DEV_NAME "drm" 2777f3c3d6fSHasso Tepper #endif 2787f3c3d6fSHasso Tepper 2797f3c3d6fSHasso Tepper devclass_t drm_devclass; 2807f3c3d6fSHasso Tepper 2817f3c3d6fSHasso Tepper drm_pci_id_list_t *drm_find_description(int vendor, int device, 2827f3c3d6fSHasso Tepper drm_pci_id_list_t *idlist) 2837f3c3d6fSHasso Tepper { 2847f3c3d6fSHasso Tepper int i = 0; 2857f3c3d6fSHasso Tepper 2867f3c3d6fSHasso Tepper for (i = 0; idlist[i].vendor != 0; i++) { 2877f3c3d6fSHasso Tepper if ((idlist[i].vendor == vendor) && 288*b3705d71SHasso Tepper ((idlist[i].device == device) || 289*b3705d71SHasso Tepper (idlist[i].device == 0))) { 2907f3c3d6fSHasso Tepper return &idlist[i]; 2917f3c3d6fSHasso Tepper } 2927f3c3d6fSHasso Tepper } 2937f3c3d6fSHasso Tepper return NULL; 2947f3c3d6fSHasso Tepper } 2957f3c3d6fSHasso Tepper 296*b3705d71SHasso Tepper static int drm_firstopen(struct drm_device *dev) 2977f3c3d6fSHasso Tepper { 2987f3c3d6fSHasso Tepper drm_local_map_t *map; 2997f3c3d6fSHasso Tepper int i; 3007f3c3d6fSHasso Tepper 3017f3c3d6fSHasso Tepper DRM_SPINLOCK_ASSERT(&dev->dev_lock); 3027f3c3d6fSHasso Tepper 3037f3c3d6fSHasso Tepper /* prebuild the SAREA */ 3047f3c3d6fSHasso Tepper i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, 3057f3c3d6fSHasso Tepper _DRM_CONTAINS_LOCK, &map); 3067f3c3d6fSHasso Tepper if (i != 0) 3077f3c3d6fSHasso Tepper return i; 3087f3c3d6fSHasso Tepper 309*b3705d71SHasso Tepper if (dev->driver->firstopen) 310*b3705d71SHasso Tepper dev->driver->firstopen(dev); 3117f3c3d6fSHasso Tepper 3127f3c3d6fSHasso Tepper dev->buf_use = 0; 3137f3c3d6fSHasso Tepper 314*b3705d71SHasso Tepper if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) { 3157f3c3d6fSHasso Tepper i = drm_dma_setup(dev); 3167f3c3d6fSHasso Tepper if (i != 0) 3177f3c3d6fSHasso Tepper return i; 3187f3c3d6fSHasso Tepper } 3197f3c3d6fSHasso Tepper 3207f3c3d6fSHasso Tepper for (i = 0; i < DRM_HASH_SIZE; i++) { 3217f3c3d6fSHasso Tepper dev->magiclist[i].head = NULL; 3227f3c3d6fSHasso Tepper dev->magiclist[i].tail = NULL; 3237f3c3d6fSHasso Tepper } 3247f3c3d6fSHasso Tepper 3257f3c3d6fSHasso Tepper dev->lock.lock_queue = 0; 3267f3c3d6fSHasso Tepper dev->irq_enabled = 0; 3277f3c3d6fSHasso Tepper dev->context_flag = 0; 3287f3c3d6fSHasso Tepper dev->last_context = 0; 3297f3c3d6fSHasso Tepper dev->if_version = 0; 3307f3c3d6fSHasso Tepper 3317f3c3d6fSHasso Tepper dev->buf_sigio = NULL; 3327f3c3d6fSHasso Tepper 3337f3c3d6fSHasso Tepper DRM_DEBUG("\n"); 3347f3c3d6fSHasso Tepper 3357f3c3d6fSHasso Tepper return 0; 3367f3c3d6fSHasso Tepper } 3377f3c3d6fSHasso Tepper 338*b3705d71SHasso Tepper static int drm_lastclose(struct drm_device *dev) 3397f3c3d6fSHasso Tepper { 3407f3c3d6fSHasso Tepper drm_magic_entry_t *pt, *next; 3417f3c3d6fSHasso Tepper drm_local_map_t *map, *mapsave; 3427f3c3d6fSHasso Tepper int i; 3437f3c3d6fSHasso Tepper 3447f3c3d6fSHasso Tepper DRM_SPINLOCK_ASSERT(&dev->dev_lock); 3457f3c3d6fSHasso Tepper 3467f3c3d6fSHasso Tepper DRM_DEBUG("\n"); 3477f3c3d6fSHasso Tepper 348*b3705d71SHasso Tepper if (dev->driver->lastclose != NULL) 349*b3705d71SHasso Tepper dev->driver->lastclose(dev); 3507f3c3d6fSHasso Tepper 3517f3c3d6fSHasso Tepper if (dev->irq_enabled) 3527f3c3d6fSHasso Tepper drm_irq_uninstall(dev); 3537f3c3d6fSHasso Tepper 3547f3c3d6fSHasso Tepper if (dev->unique) { 355*b3705d71SHasso Tepper free(dev->unique, DRM_MEM_DRIVER); 3567f3c3d6fSHasso Tepper dev->unique = NULL; 3577f3c3d6fSHasso Tepper dev->unique_len = 0; 3587f3c3d6fSHasso Tepper } 3597f3c3d6fSHasso Tepper /* Clear pid list */ 3607f3c3d6fSHasso Tepper for (i = 0; i < DRM_HASH_SIZE; i++) { 3617f3c3d6fSHasso Tepper for (pt = dev->magiclist[i].head; pt; pt = next) { 3627f3c3d6fSHasso Tepper next = pt->next; 363*b3705d71SHasso Tepper free(pt, DRM_MEM_MAGIC); 3647f3c3d6fSHasso Tepper } 3657f3c3d6fSHasso Tepper dev->magiclist[i].head = dev->magiclist[i].tail = NULL; 3667f3c3d6fSHasso Tepper } 3677f3c3d6fSHasso Tepper 368*b3705d71SHasso Tepper DRM_UNLOCK(); 369*b3705d71SHasso Tepper drm_drawable_free_all(dev); 370*b3705d71SHasso Tepper DRM_LOCK(); 371*b3705d71SHasso Tepper 3727f3c3d6fSHasso Tepper /* Clear AGP information */ 3737f3c3d6fSHasso Tepper if (dev->agp) { 3747f3c3d6fSHasso Tepper drm_agp_mem_t *entry; 3757f3c3d6fSHasso Tepper drm_agp_mem_t *nexte; 3767f3c3d6fSHasso Tepper 3777f3c3d6fSHasso Tepper /* Remove AGP resources, but leave dev->agp intact until 3787f3c3d6fSHasso Tepper * drm_unload is called. 3797f3c3d6fSHasso Tepper */ 3807f3c3d6fSHasso Tepper for (entry = dev->agp->memory; entry; entry = nexte) { 3817f3c3d6fSHasso Tepper nexte = entry->next; 3827f3c3d6fSHasso Tepper if (entry->bound) 3837f3c3d6fSHasso Tepper drm_agp_unbind_memory(entry->handle); 3847f3c3d6fSHasso Tepper drm_agp_free_memory(entry->handle); 385*b3705d71SHasso Tepper free(entry, DRM_MEM_AGPLISTS); 3867f3c3d6fSHasso Tepper } 3877f3c3d6fSHasso Tepper dev->agp->memory = NULL; 3887f3c3d6fSHasso Tepper 3897f3c3d6fSHasso Tepper if (dev->agp->acquired) 3907f3c3d6fSHasso Tepper drm_agp_release(dev); 3917f3c3d6fSHasso Tepper 3927f3c3d6fSHasso Tepper dev->agp->acquired = 0; 3937f3c3d6fSHasso Tepper dev->agp->enabled = 0; 3947f3c3d6fSHasso Tepper } 3957f3c3d6fSHasso Tepper if (dev->sg != NULL) { 3967f3c3d6fSHasso Tepper drm_sg_cleanup(dev->sg); 3977f3c3d6fSHasso Tepper dev->sg = NULL; 3987f3c3d6fSHasso Tepper } 3997f3c3d6fSHasso Tepper 4007f3c3d6fSHasso Tepper TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) { 4017f3c3d6fSHasso Tepper if (!(map->flags & _DRM_DRIVER)) 4027f3c3d6fSHasso Tepper drm_rmmap(dev, map); 4037f3c3d6fSHasso Tepper } 4047f3c3d6fSHasso Tepper 4057f3c3d6fSHasso Tepper drm_dma_takedown(dev); 4067f3c3d6fSHasso Tepper if (dev->lock.hw_lock) { 4077f3c3d6fSHasso Tepper dev->lock.hw_lock = NULL; /* SHM removed */ 4087f3c3d6fSHasso Tepper dev->lock.file_priv = NULL; 4097f3c3d6fSHasso Tepper DRM_WAKEUP_INT((void *)&dev->lock.lock_queue); 4107f3c3d6fSHasso Tepper } 4117f3c3d6fSHasso Tepper 4127f3c3d6fSHasso Tepper return 0; 4137f3c3d6fSHasso Tepper } 4147f3c3d6fSHasso Tepper 415*b3705d71SHasso Tepper static int drm_load(struct drm_device *dev) 4167f3c3d6fSHasso Tepper { 4177f3c3d6fSHasso Tepper int i, retcode; 4187f3c3d6fSHasso Tepper 4197f3c3d6fSHasso Tepper DRM_DEBUG("\n"); 4207f3c3d6fSHasso Tepper 4217f3c3d6fSHasso Tepper TAILQ_INIT(&dev->maplist); 4227f3c3d6fSHasso Tepper 4237f3c3d6fSHasso Tepper drm_mem_init(); 4247f3c3d6fSHasso Tepper drm_sysctl_init(dev); 4257f3c3d6fSHasso Tepper TAILQ_INIT(&dev->files); 4267f3c3d6fSHasso Tepper 4277f3c3d6fSHasso Tepper dev->counters = 6; 4287f3c3d6fSHasso Tepper dev->types[0] = _DRM_STAT_LOCK; 4297f3c3d6fSHasso Tepper dev->types[1] = _DRM_STAT_OPENS; 4307f3c3d6fSHasso Tepper dev->types[2] = _DRM_STAT_CLOSES; 4317f3c3d6fSHasso Tepper dev->types[3] = _DRM_STAT_IOCTLS; 4327f3c3d6fSHasso Tepper dev->types[4] = _DRM_STAT_LOCKS; 4337f3c3d6fSHasso Tepper dev->types[5] = _DRM_STAT_UNLOCKS; 4347f3c3d6fSHasso Tepper 4357f3c3d6fSHasso Tepper for (i = 0; i < DRM_ARRAY_SIZE(dev->counts); i++) 4367f3c3d6fSHasso Tepper atomic_set(&dev->counts[i], 0); 4377f3c3d6fSHasso Tepper 438*b3705d71SHasso Tepper if (dev->driver->load != NULL) { 4397f3c3d6fSHasso Tepper DRM_LOCK(); 4407f3c3d6fSHasso Tepper /* Shared code returns -errno. */ 441*b3705d71SHasso Tepper retcode = -dev->driver->load(dev, 4427f3c3d6fSHasso Tepper dev->id_entry->driver_private); 443*b3705d71SHasso Tepper pci_enable_busmaster(dev->device); 4447f3c3d6fSHasso Tepper DRM_UNLOCK(); 4457f3c3d6fSHasso Tepper if (retcode != 0) 4467f3c3d6fSHasso Tepper goto error; 4477f3c3d6fSHasso Tepper } 4487f3c3d6fSHasso Tepper 449*b3705d71SHasso Tepper if (drm_core_has_AGP(dev)) { 4507f3c3d6fSHasso Tepper if (drm_device_is_agp(dev)) 4517f3c3d6fSHasso Tepper dev->agp = drm_agp_init(); 452*b3705d71SHasso Tepper if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && 453*b3705d71SHasso Tepper dev->agp == NULL) { 4547f3c3d6fSHasso Tepper DRM_ERROR("Card isn't AGP, or couldn't initialize " 4557f3c3d6fSHasso Tepper "AGP.\n"); 4567f3c3d6fSHasso Tepper retcode = ENOMEM; 4577f3c3d6fSHasso Tepper goto error; 4587f3c3d6fSHasso Tepper } 4597f3c3d6fSHasso Tepper if (dev->agp != NULL) { 4607f3c3d6fSHasso Tepper if (drm_mtrr_add(dev->agp->info.ai_aperture_base, 4617f3c3d6fSHasso Tepper dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0) 4627f3c3d6fSHasso Tepper dev->agp->mtrr = 1; 4637f3c3d6fSHasso Tepper } 4647f3c3d6fSHasso Tepper } 4657f3c3d6fSHasso Tepper 4667f3c3d6fSHasso Tepper retcode = drm_ctxbitmap_init(dev); 4677f3c3d6fSHasso Tepper if (retcode != 0) { 4687f3c3d6fSHasso Tepper DRM_ERROR("Cannot allocate memory for context bitmap.\n"); 4697f3c3d6fSHasso Tepper goto error; 4707f3c3d6fSHasso Tepper } 4717f3c3d6fSHasso Tepper 4727f3c3d6fSHasso Tepper DRM_INFO("Initialized %s %d.%d.%d %s\n", 473*b3705d71SHasso Tepper dev->driver->name, 474*b3705d71SHasso Tepper dev->driver->major, 475*b3705d71SHasso Tepper dev->driver->minor, 476*b3705d71SHasso Tepper dev->driver->patchlevel, 477*b3705d71SHasso Tepper dev->driver->date); 4787f3c3d6fSHasso Tepper 4797f3c3d6fSHasso Tepper return 0; 4807f3c3d6fSHasso Tepper 4817f3c3d6fSHasso Tepper error: 4827f3c3d6fSHasso Tepper drm_sysctl_cleanup(dev); 4837f3c3d6fSHasso Tepper DRM_LOCK(); 4847f3c3d6fSHasso Tepper drm_lastclose(dev); 4857f3c3d6fSHasso Tepper DRM_UNLOCK(); 4867f3c3d6fSHasso Tepper destroy_dev(dev->devnode); 487*b3705d71SHasso Tepper 488*b3705d71SHasso Tepper DRM_SPINUNINIT(&dev->drw_lock); 489*b3705d71SHasso Tepper DRM_SPINUNINIT(&dev->vbl_lock); 4907f3c3d6fSHasso Tepper DRM_SPINUNINIT(&dev->dev_lock); 491*b3705d71SHasso Tepper 4927f3c3d6fSHasso Tepper return retcode; 4937f3c3d6fSHasso Tepper } 4947f3c3d6fSHasso Tepper 495*b3705d71SHasso Tepper static void drm_unload(struct drm_device *dev) 4967f3c3d6fSHasso Tepper { 4977f3c3d6fSHasso Tepper int i; 4987f3c3d6fSHasso Tepper 4997f3c3d6fSHasso Tepper DRM_DEBUG("\n"); 5007f3c3d6fSHasso Tepper 5017f3c3d6fSHasso Tepper drm_sysctl_cleanup(dev); 5027f3c3d6fSHasso Tepper destroy_dev(dev->devnode); 5037f3c3d6fSHasso Tepper 5047f3c3d6fSHasso Tepper drm_ctxbitmap_cleanup(dev); 5057f3c3d6fSHasso Tepper 5067f3c3d6fSHasso Tepper if (dev->agp && dev->agp->mtrr) { 5077f3c3d6fSHasso Tepper int __unused retcode; 5087f3c3d6fSHasso Tepper 5097f3c3d6fSHasso Tepper retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base, 5107f3c3d6fSHasso Tepper dev->agp->info.ai_aperture_size, DRM_MTRR_WC); 5117f3c3d6fSHasso Tepper DRM_DEBUG("mtrr_del = %d", retcode); 5127f3c3d6fSHasso Tepper } 5137f3c3d6fSHasso Tepper 514*b3705d71SHasso Tepper drm_vblank_cleanup(dev); 515*b3705d71SHasso Tepper 5167f3c3d6fSHasso Tepper DRM_LOCK(); 5177f3c3d6fSHasso Tepper drm_lastclose(dev); 5187f3c3d6fSHasso Tepper DRM_UNLOCK(); 5197f3c3d6fSHasso Tepper 5207f3c3d6fSHasso Tepper /* Clean up PCI resources allocated by drm_bufs.c. We're not really 5217f3c3d6fSHasso Tepper * worried about resource consumption while the DRM is inactive (between 5227f3c3d6fSHasso Tepper * lastclose and firstopen or unload) because these aren't actually 5237f3c3d6fSHasso Tepper * taking up KVA, just keeping the PCI resource allocated. 5247f3c3d6fSHasso Tepper */ 5257f3c3d6fSHasso Tepper for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) { 5267f3c3d6fSHasso Tepper if (dev->pcir[i] == NULL) 5277f3c3d6fSHasso Tepper continue; 5287f3c3d6fSHasso Tepper bus_release_resource(dev->device, SYS_RES_MEMORY, 5297f3c3d6fSHasso Tepper dev->pcirid[i], dev->pcir[i]); 5307f3c3d6fSHasso Tepper dev->pcir[i] = NULL; 5317f3c3d6fSHasso Tepper } 5327f3c3d6fSHasso Tepper 5337f3c3d6fSHasso Tepper if (dev->agp) { 534*b3705d71SHasso Tepper free(dev->agp, DRM_MEM_AGPLISTS); 5357f3c3d6fSHasso Tepper dev->agp = NULL; 5367f3c3d6fSHasso Tepper } 5377f3c3d6fSHasso Tepper 538*b3705d71SHasso Tepper if (dev->driver->unload != NULL) { 539*b3705d71SHasso Tepper DRM_LOCK(); 540*b3705d71SHasso Tepper dev->driver->unload(dev); 541*b3705d71SHasso Tepper DRM_UNLOCK(); 5427f3c3d6fSHasso Tepper } 5437f3c3d6fSHasso Tepper 544*b3705d71SHasso Tepper drm_mem_uninit(); 5457f3c3d6fSHasso Tepper 546*b3705d71SHasso Tepper pci_disable_busmaster(dev->device); 547*b3705d71SHasso Tepper 548*b3705d71SHasso Tepper DRM_SPINUNINIT(&dev->drw_lock); 549*b3705d71SHasso Tepper DRM_SPINUNINIT(&dev->vbl_lock); 550*b3705d71SHasso Tepper DRM_SPINUNINIT(&dev->dev_lock); 551*b3705d71SHasso Tepper } 552*b3705d71SHasso Tepper 553*b3705d71SHasso Tepper int drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv) 5547f3c3d6fSHasso Tepper { 555*b3705d71SHasso Tepper struct drm_version *version = data; 5567f3c3d6fSHasso Tepper int len; 5577f3c3d6fSHasso Tepper 5587f3c3d6fSHasso Tepper #define DRM_COPY( name, value ) \ 5597f3c3d6fSHasso Tepper len = strlen( value ); \ 5607f3c3d6fSHasso Tepper if ( len > name##_len ) len = name##_len; \ 5617f3c3d6fSHasso Tepper name##_len = strlen( value ); \ 5627f3c3d6fSHasso Tepper if ( len && name ) { \ 5637f3c3d6fSHasso Tepper if ( DRM_COPY_TO_USER( name, value, len ) ) \ 5647f3c3d6fSHasso Tepper return EFAULT; \ 5657f3c3d6fSHasso Tepper } 5667f3c3d6fSHasso Tepper 567*b3705d71SHasso Tepper version->version_major = dev->driver->major; 568*b3705d71SHasso Tepper version->version_minor = dev->driver->minor; 569*b3705d71SHasso Tepper version->version_patchlevel = dev->driver->patchlevel; 5707f3c3d6fSHasso Tepper 571*b3705d71SHasso Tepper DRM_COPY(version->name, dev->driver->name); 572*b3705d71SHasso Tepper DRM_COPY(version->date, dev->driver->date); 573*b3705d71SHasso Tepper DRM_COPY(version->desc, dev->driver->desc); 5747f3c3d6fSHasso Tepper 5757f3c3d6fSHasso Tepper return 0; 5767f3c3d6fSHasso Tepper } 5777f3c3d6fSHasso Tepper 5787f3c3d6fSHasso Tepper int drm_open(struct dev_open_args *ap) 5797f3c3d6fSHasso Tepper { 5807f3c3d6fSHasso Tepper struct cdev *kdev = ap->a_head.a_dev; 5817f3c3d6fSHasso Tepper int flags = ap->a_oflags; 5827f3c3d6fSHasso Tepper int fmt = 0; 5837f3c3d6fSHasso Tepper struct thread *p = curthread; 584*b3705d71SHasso Tepper struct drm_device *dev = NULL; 5857f3c3d6fSHasso Tepper int retcode = 0; 5867f3c3d6fSHasso Tepper 5877f3c3d6fSHasso Tepper dev = DRIVER_SOFTC(minor(kdev)); 5887f3c3d6fSHasso Tepper 5897f3c3d6fSHasso Tepper DRM_DEBUG("open_count = %d\n", dev->open_count); 5907f3c3d6fSHasso Tepper 5917f3c3d6fSHasso Tepper retcode = drm_open_helper(kdev, flags, fmt, p, dev); 5927f3c3d6fSHasso Tepper 5937f3c3d6fSHasso Tepper if (!retcode) { 5947f3c3d6fSHasso Tepper atomic_inc(&dev->counts[_DRM_STAT_OPENS]); 5957f3c3d6fSHasso Tepper DRM_LOCK(); 5967f3c3d6fSHasso Tepper device_busy(dev->device); 5977f3c3d6fSHasso Tepper if (!dev->open_count++) 5987f3c3d6fSHasso Tepper retcode = drm_firstopen(dev); 5997f3c3d6fSHasso Tepper DRM_UNLOCK(); 6007f3c3d6fSHasso Tepper } 6017f3c3d6fSHasso Tepper 6027f3c3d6fSHasso Tepper return retcode; 6037f3c3d6fSHasso Tepper } 6047f3c3d6fSHasso Tepper 605*b3705d71SHasso Tepper void drm_close(void *data) 6067f3c3d6fSHasso Tepper { 607*b3705d71SHasso Tepper struct drm_file *file_priv = data; 608*b3705d71SHasso Tepper struct drm_device *dev = file_priv->dev; 6097f3c3d6fSHasso Tepper int retcode = 0; 6107f3c3d6fSHasso Tepper 6117f3c3d6fSHasso Tepper DRM_DEBUG("open_count = %d\n", dev->open_count); 6127f3c3d6fSHasso Tepper 6137f3c3d6fSHasso Tepper DRM_LOCK(); 6147f3c3d6fSHasso Tepper 6157f3c3d6fSHasso Tepper if (--file_priv->refs != 0) 6167f3c3d6fSHasso Tepper goto done; 6177f3c3d6fSHasso Tepper 618*b3705d71SHasso Tepper if (dev->driver->preclose != NULL) 619*b3705d71SHasso Tepper dev->driver->preclose(dev, file_priv); 6207f3c3d6fSHasso Tepper 6217f3c3d6fSHasso Tepper /* ======================================================== 6227f3c3d6fSHasso Tepper * Begin inline drm_release 6237f3c3d6fSHasso Tepper */ 6247f3c3d6fSHasso Tepper 6257f3c3d6fSHasso Tepper DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", 6267f3c3d6fSHasso Tepper DRM_CURRENTPID, (long)dev->device, dev->open_count); 6277f3c3d6fSHasso Tepper 6287f3c3d6fSHasso Tepper if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) 6297f3c3d6fSHasso Tepper && dev->lock.file_priv == file_priv) { 6307f3c3d6fSHasso Tepper DRM_DEBUG("Process %d dead, freeing lock for context %d\n", 6317f3c3d6fSHasso Tepper DRM_CURRENTPID, 6327f3c3d6fSHasso Tepper _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 633*b3705d71SHasso Tepper if (dev->driver->reclaim_buffers_locked != NULL) 634*b3705d71SHasso Tepper dev->driver->reclaim_buffers_locked(dev, file_priv); 6357f3c3d6fSHasso Tepper 636*b3705d71SHasso Tepper drm_lock_free(&dev->lock, 6377f3c3d6fSHasso Tepper _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 6387f3c3d6fSHasso Tepper 6397f3c3d6fSHasso Tepper /* FIXME: may require heavy-handed reset of 6407f3c3d6fSHasso Tepper hardware at this point, possibly 6417f3c3d6fSHasso Tepper processed via a callback to the X 6427f3c3d6fSHasso Tepper server. */ 643*b3705d71SHasso Tepper } else if (dev->driver->reclaim_buffers_locked != NULL && 6447f3c3d6fSHasso Tepper dev->lock.hw_lock != NULL) { 6457f3c3d6fSHasso Tepper /* The lock is required to reclaim buffers */ 6467f3c3d6fSHasso Tepper for (;;) { 6477f3c3d6fSHasso Tepper if (!dev->lock.hw_lock) { 6487f3c3d6fSHasso Tepper /* Device has been unregistered */ 6497f3c3d6fSHasso Tepper retcode = EINTR; 6507f3c3d6fSHasso Tepper break; 6517f3c3d6fSHasso Tepper } 652*b3705d71SHasso Tepper if (drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT)) { 6537f3c3d6fSHasso Tepper dev->lock.file_priv = file_priv; 6547f3c3d6fSHasso Tepper dev->lock.lock_time = jiffies; 6557f3c3d6fSHasso Tepper atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 6567f3c3d6fSHasso Tepper break; /* Got lock */ 6577f3c3d6fSHasso Tepper } 6587f3c3d6fSHasso Tepper /* Contention */ 6597f3c3d6fSHasso Tepper crit_enter(); 6607f3c3d6fSHasso Tepper tsleep_interlock((void *)&dev->lock.lock_queue); 6617f3c3d6fSHasso Tepper DRM_UNLOCK(); 6627f3c3d6fSHasso Tepper retcode = tsleep((void *)&dev->lock.lock_queue, 6637f3c3d6fSHasso Tepper PCATCH, "drmlk2", 0); 6647f3c3d6fSHasso Tepper crit_exit(); 6657f3c3d6fSHasso Tepper DRM_LOCK(); 6667f3c3d6fSHasso Tepper if (retcode) 6677f3c3d6fSHasso Tepper break; 6687f3c3d6fSHasso Tepper } 6697f3c3d6fSHasso Tepper if (retcode == 0) { 670*b3705d71SHasso Tepper dev->driver->reclaim_buffers_locked(dev, file_priv); 671*b3705d71SHasso Tepper drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT); 6727f3c3d6fSHasso Tepper } 6737f3c3d6fSHasso Tepper } 6747f3c3d6fSHasso Tepper 675*b3705d71SHasso Tepper if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && 676*b3705d71SHasso Tepper !dev->driver->reclaim_buffers_locked) 6777f3c3d6fSHasso Tepper drm_reclaim_buffers(dev, file_priv); 6787f3c3d6fSHasso Tepper 6797f3c3d6fSHasso Tepper funsetown(dev->buf_sigio); 6807f3c3d6fSHasso Tepper 681*b3705d71SHasso Tepper if (dev->driver->postclose != NULL) 682*b3705d71SHasso Tepper dev->driver->postclose(dev, file_priv); 6837f3c3d6fSHasso Tepper TAILQ_REMOVE(&dev->files, file_priv, link); 684*b3705d71SHasso Tepper free(file_priv, DRM_MEM_FILES); 6857f3c3d6fSHasso Tepper 6867f3c3d6fSHasso Tepper /* ======================================================== 6877f3c3d6fSHasso Tepper * End inline drm_release 6887f3c3d6fSHasso Tepper */ 6897f3c3d6fSHasso Tepper done: 6907f3c3d6fSHasso Tepper atomic_inc(&dev->counts[_DRM_STAT_CLOSES]); 6917f3c3d6fSHasso Tepper device_unbusy(dev->device); 6927f3c3d6fSHasso Tepper if (--dev->open_count == 0) { 6937f3c3d6fSHasso Tepper retcode = drm_lastclose(dev); 6947f3c3d6fSHasso Tepper } 6957f3c3d6fSHasso Tepper 6967f3c3d6fSHasso Tepper DRM_UNLOCK(); 6977f3c3d6fSHasso Tepper } 6987f3c3d6fSHasso Tepper 6997f3c3d6fSHasso Tepper /* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. 7007f3c3d6fSHasso Tepper */ 7017f3c3d6fSHasso Tepper int drm_ioctl(struct dev_ioctl_args *ap) 7027f3c3d6fSHasso Tepper { 7037f3c3d6fSHasso Tepper struct cdev *kdev = ap->a_head.a_dev; 7047f3c3d6fSHasso Tepper u_long cmd = ap->a_cmd; 7057f3c3d6fSHasso Tepper caddr_t data = ap->a_data; 7067f3c3d6fSHasso Tepper struct thread *p = curthread; 707*b3705d71SHasso Tepper struct drm_device *dev = drm_get_device_from_kdev(kdev); 7087f3c3d6fSHasso Tepper int retcode = 0; 7097f3c3d6fSHasso Tepper drm_ioctl_desc_t *ioctl; 710*b3705d71SHasso Tepper int (*func)(struct drm_device *dev, void *data, struct drm_file *file_priv); 7117f3c3d6fSHasso Tepper int nr = DRM_IOCTL_NR(cmd); 7127f3c3d6fSHasso Tepper int is_driver_ioctl = 0; 713*b3705d71SHasso Tepper struct drm_file *file_priv; 7147f3c3d6fSHasso Tepper 7157f3c3d6fSHasso Tepper file_priv = drm_find_file_by_proc(dev, p); 716*b3705d71SHasso Tepper if (!file_priv) { 7177f3c3d6fSHasso Tepper DRM_ERROR("can't find authenticator\n"); 7187f3c3d6fSHasso Tepper return EINVAL; 7197f3c3d6fSHasso Tepper } 7207f3c3d6fSHasso Tepper 7217f3c3d6fSHasso Tepper atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); 7227f3c3d6fSHasso Tepper ++file_priv->ioctl_count; 7237f3c3d6fSHasso Tepper 7247f3c3d6fSHasso Tepper DRM_DEBUG("pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", 7257f3c3d6fSHasso Tepper DRM_CURRENTPID, cmd, nr, (long)dev->device, 7267f3c3d6fSHasso Tepper file_priv->authenticated); 7277f3c3d6fSHasso Tepper 7287f3c3d6fSHasso Tepper switch (cmd) { 7297f3c3d6fSHasso Tepper case FIONBIO: 7307f3c3d6fSHasso Tepper case FIOASYNC: 7317f3c3d6fSHasso Tepper return 0; 7327f3c3d6fSHasso Tepper 7337f3c3d6fSHasso Tepper case FIOSETOWN: 7347f3c3d6fSHasso Tepper return fsetown(*(int *)data, &dev->buf_sigio); 7357f3c3d6fSHasso Tepper 7367f3c3d6fSHasso Tepper case FIOGETOWN: 7377f3c3d6fSHasso Tepper *(int *) data = fgetown(dev->buf_sigio); 7387f3c3d6fSHasso Tepper return 0; 7397f3c3d6fSHasso Tepper } 7407f3c3d6fSHasso Tepper 7417f3c3d6fSHasso Tepper if (IOCGROUP(cmd) != DRM_IOCTL_BASE) { 7427f3c3d6fSHasso Tepper DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd)); 7437f3c3d6fSHasso Tepper return EINVAL; 7447f3c3d6fSHasso Tepper } 7457f3c3d6fSHasso Tepper 7467f3c3d6fSHasso Tepper ioctl = &drm_ioctls[nr]; 7477f3c3d6fSHasso Tepper /* It's not a core DRM ioctl, try driver-specific. */ 7487f3c3d6fSHasso Tepper if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) { 7497f3c3d6fSHasso Tepper /* The array entries begin at DRM_COMMAND_BASE ioctl nr */ 7507f3c3d6fSHasso Tepper nr -= DRM_COMMAND_BASE; 751*b3705d71SHasso Tepper if (nr > dev->driver->max_ioctl) { 7527f3c3d6fSHasso Tepper DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n", 753*b3705d71SHasso Tepper nr, dev->driver->max_ioctl); 7547f3c3d6fSHasso Tepper return EINVAL; 7557f3c3d6fSHasso Tepper } 756*b3705d71SHasso Tepper ioctl = &dev->driver->ioctls[nr]; 7577f3c3d6fSHasso Tepper is_driver_ioctl = 1; 7587f3c3d6fSHasso Tepper } 7597f3c3d6fSHasso Tepper func = ioctl->func; 7607f3c3d6fSHasso Tepper 7617f3c3d6fSHasso Tepper if (func == NULL) { 7627f3c3d6fSHasso Tepper DRM_DEBUG("no function\n"); 7637f3c3d6fSHasso Tepper return EINVAL; 7647f3c3d6fSHasso Tepper } 7657f3c3d6fSHasso Tepper 7667f3c3d6fSHasso Tepper if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) || 7677f3c3d6fSHasso Tepper ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || 7687f3c3d6fSHasso Tepper ((ioctl->flags & DRM_MASTER) && !file_priv->master)) 7697f3c3d6fSHasso Tepper return EACCES; 7707f3c3d6fSHasso Tepper 7717f3c3d6fSHasso Tepper if (is_driver_ioctl) { 7727f3c3d6fSHasso Tepper DRM_LOCK(); 7737f3c3d6fSHasso Tepper /* shared code returns -errno */ 7747f3c3d6fSHasso Tepper retcode = -func(dev, data, file_priv); 7757f3c3d6fSHasso Tepper DRM_UNLOCK(); 7767f3c3d6fSHasso Tepper } else { 7777f3c3d6fSHasso Tepper retcode = func(dev, data, file_priv); 7787f3c3d6fSHasso Tepper } 7797f3c3d6fSHasso Tepper 7807f3c3d6fSHasso Tepper if (retcode != 0) 7817f3c3d6fSHasso Tepper DRM_DEBUG(" returning %d\n", retcode); 7827f3c3d6fSHasso Tepper 7837f3c3d6fSHasso Tepper return retcode; 7847f3c3d6fSHasso Tepper } 7857f3c3d6fSHasso Tepper 786*b3705d71SHasso Tepper drm_local_map_t *drm_getsarea(struct drm_device *dev) 7877f3c3d6fSHasso Tepper { 7887f3c3d6fSHasso Tepper drm_local_map_t *map; 7897f3c3d6fSHasso Tepper 7907f3c3d6fSHasso Tepper DRM_SPINLOCK_ASSERT(&dev->dev_lock); 7917f3c3d6fSHasso Tepper TAILQ_FOREACH(map, &dev->maplist, link) { 7927f3c3d6fSHasso Tepper if (map->type == _DRM_SHM && (map->flags & _DRM_CONTAINS_LOCK)) 7937f3c3d6fSHasso Tepper return map; 7947f3c3d6fSHasso Tepper } 7957f3c3d6fSHasso Tepper 7967f3c3d6fSHasso Tepper return NULL; 7977f3c3d6fSHasso Tepper } 7987f3c3d6fSHasso Tepper 7997f3c3d6fSHasso Tepper #if DRM_LINUX 8007f3c3d6fSHasso Tepper 8017f3c3d6fSHasso Tepper #include <sys/sysproto.h> 8027f3c3d6fSHasso Tepper 8037f3c3d6fSHasso Tepper MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1); 8047f3c3d6fSHasso Tepper 8057f3c3d6fSHasso Tepper #define LINUX_IOCTL_DRM_MIN 0x6400 8067f3c3d6fSHasso Tepper #define LINUX_IOCTL_DRM_MAX 0x64ff 8077f3c3d6fSHasso Tepper 8087f3c3d6fSHasso Tepper static linux_ioctl_function_t drm_linux_ioctl; 8097f3c3d6fSHasso Tepper static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl, 8107f3c3d6fSHasso Tepper LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX}; 8117f3c3d6fSHasso Tepper 8127f3c3d6fSHasso Tepper SYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE, 8137f3c3d6fSHasso Tepper linux_ioctl_register_handler, &drm_handler); 8147f3c3d6fSHasso Tepper SYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, 8157f3c3d6fSHasso Tepper linux_ioctl_unregister_handler, &drm_handler); 8167f3c3d6fSHasso Tepper 8177f3c3d6fSHasso Tepper /* The bits for in/out are switched on Linux */ 8187f3c3d6fSHasso Tepper #define LINUX_IOC_IN IOC_OUT 8197f3c3d6fSHasso Tepper #define LINUX_IOC_OUT IOC_IN 8207f3c3d6fSHasso Tepper 8217f3c3d6fSHasso Tepper static int 8227f3c3d6fSHasso Tepper drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args) 8237f3c3d6fSHasso Tepper { 8247f3c3d6fSHasso Tepper int error; 8257f3c3d6fSHasso Tepper int cmd = args->cmd; 8267f3c3d6fSHasso Tepper 8277f3c3d6fSHasso Tepper args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); 8287f3c3d6fSHasso Tepper if (cmd & LINUX_IOC_IN) 8297f3c3d6fSHasso Tepper args->cmd |= IOC_IN; 8307f3c3d6fSHasso Tepper if (cmd & LINUX_IOC_OUT) 8317f3c3d6fSHasso Tepper args->cmd |= IOC_OUT; 8327f3c3d6fSHasso Tepper 8337f3c3d6fSHasso Tepper error = ioctl(p, (struct ioctl_args *)args); 8347f3c3d6fSHasso Tepper 8357f3c3d6fSHasso Tepper return error; 8367f3c3d6fSHasso Tepper } 8377f3c3d6fSHasso Tepper #endif /* DRM_LINUX */ 838