drm_drv.c revision 277487
1235783Skib/*- 2235783Skib * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. 3235783Skib * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 4235783Skib * All Rights Reserved. 5235783Skib * 6235783Skib * Permission is hereby granted, free of charge, to any person obtaining a 7235783Skib * copy of this software and associated documentation files (the "Software"), 8235783Skib * to deal in the Software without restriction, including without limitation 9235783Skib * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10235783Skib * and/or sell copies of the Software, and to permit persons to whom the 11235783Skib * Software is furnished to do so, subject to the following conditions: 12235783Skib * 13235783Skib * The above copyright notice and this permission notice (including the next 14235783Skib * paragraph) shall be included in all copies or substantial portions of the 15235783Skib * Software. 16235783Skib * 17235783Skib * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18235783Skib * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19235783Skib * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20235783Skib * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21235783Skib * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22235783Skib * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23235783Skib * OTHER DEALINGS IN THE SOFTWARE. 24235783Skib * 25235783Skib * Authors: 26235783Skib * Rickard E. (Rik) Faith <faith@valinux.com> 27235783Skib * Gareth Hughes <gareth@valinux.com> 28235783Skib * 29235783Skib */ 30235783Skib 31235783Skib#include <sys/cdefs.h> 32235783Skib__FBSDID("$FreeBSD: head/sys/dev/drm2/drm_drv.c 277487 2015-01-21 16:10:37Z kib $"); 33235783Skib 34235783Skib/** @file drm_drv.c 35235783Skib * The catch-all file for DRM device support, including module setup/teardown, 36235783Skib * open/close, and ioctl dispatch. 37235783Skib */ 38235783Skib 39235783Skib#include <sys/limits.h> 40239375Skib#include <sys/sysent.h> 41235783Skib#include <dev/drm2/drmP.h> 42235783Skib#include <dev/drm2/drm.h> 43254792Sdumbbell#include <dev/drm2/drm_core.h> 44254792Sdumbbell#include <dev/drm2/drm_global.h> 45235783Skib#include <dev/drm2/drm_sarea.h> 46235783Skib#include <dev/drm2/drm_mode.h> 47235783Skib 48235783Skib#ifdef DRM_DEBUG_DEFAULT_ON 49242467Sglebiusint drm_debug_flag = (DRM_DEBUGBITS_DEBUG | DRM_DEBUGBITS_KMS | 50242467Sglebius DRM_DEBUGBITS_FAILED_IOCTL); 51235783Skib#else 52242467Sglebiusint drm_debug_flag = 0; 53235783Skib#endif 54235783Skibint drm_notyet_flag = 0; 55235783Skib 56235783Skibunsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ 57235783Skibunsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ 58235783Skib 59258262Sdumbbell/* 60258262Sdumbbell * Default to use monotonic timestamps for wait-for-vblank and page-flip 61258262Sdumbbell * complete events. 62258262Sdumbbell */ 63258262Sdumbbellunsigned int drm_timestamp_monotonic = 1; 64258262Sdumbbell 65235783Skibstatic int drm_load(struct drm_device *dev); 66235783Skibstatic void drm_unload(struct drm_device *dev); 67235783Skibstatic drm_pci_id_list_t *drm_find_description(int vendor, int device, 68235783Skib drm_pci_id_list_t *idlist); 69247835Skibstatic int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, 70247835Skib vm_size_t size, struct vm_object **obj_res, int nprot); 71235783Skib 72235783Skibstatic int 73235783Skibdrm_modevent(module_t mod, int type, void *data) 74235783Skib{ 75235783Skib 76235783Skib switch (type) { 77235783Skib case MOD_LOAD: 78235783Skib TUNABLE_INT_FETCH("drm.debug", &drm_debug_flag); 79235783Skib TUNABLE_INT_FETCH("drm.notyet", &drm_notyet_flag); 80235783Skib break; 81235783Skib } 82235783Skib return (0); 83235783Skib} 84235783Skib 85235783Skibstatic moduledata_t drm_mod = { 86235783Skib "drmn", 87235783Skib drm_modevent, 88241394Skevlo 0 89254792Sdumbbell}; 90235783SkibDECLARE_MODULE(drmn, drm_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 91235783SkibMODULE_VERSION(drmn, 1); 92235783SkibMODULE_DEPEND(drmn, agp, 1, 1, 1); 93235783SkibMODULE_DEPEND(drmn, pci, 1, 1, 1); 94235783SkibMODULE_DEPEND(drmn, mem, 1, 1, 1); 95235783SkibMODULE_DEPEND(drmn, iicbus, 1, 1, 1); 96235783Skib 97235783Skibstatic drm_ioctl_desc_t drm_ioctls[256] = { 98235783Skib DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, 0), 99235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0), 100235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0), 101235783Skib DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY), 102235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, 0), 103235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, 0), 104235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, 0), 105235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, DRM_UNLOCKED), 106235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER|DRM_ROOT_ONLY), 107235783Skib 108235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 109235783Skib DRM_IOCTL_DEF(DRM_IOCTL_BLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 110235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UNBLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 111235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AUTH_MAGIC, drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 112235783Skib 113235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_MAP, drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 114235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_MAP, drm_rmmap_ioctl, DRM_AUTH), 115235783Skib 116235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 117235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH), 118235783Skib 119235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY), 120235783Skib DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY), 121235783Skib 122235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY), 123235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 124235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 125235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CTX, drm_getctx, DRM_AUTH), 126235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SWITCH_CTX, drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 127235783Skib DRM_IOCTL_DEF(DRM_IOCTL_NEW_CTX, drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 128235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RES_CTX, drm_resctx, DRM_AUTH), 129235783Skib 130235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_DRAW, drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 131235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_DRAW, drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 132235783Skib 133235783Skib DRM_IOCTL_DEF(DRM_IOCTL_LOCK, drm_lock, DRM_AUTH), 134235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UNLOCK, drm_unlock, DRM_AUTH), 135235783Skib 136235783Skib DRM_IOCTL_DEF(DRM_IOCTL_FINISH, drm_noop, DRM_AUTH), 137235783Skib 138235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_BUFS, drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 139235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MARK_BUFS, drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 140235783Skib DRM_IOCTL_DEF(DRM_IOCTL_INFO_BUFS, drm_infobufs, DRM_AUTH), 141235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MAP_BUFS, drm_mapbufs, DRM_AUTH), 142235783Skib DRM_IOCTL_DEF(DRM_IOCTL_FREE_BUFS, drm_freebufs, DRM_AUTH), 143235783Skib DRM_IOCTL_DEF(DRM_IOCTL_DMA, drm_dma, DRM_AUTH), 144235783Skib 145235783Skib DRM_IOCTL_DEF(DRM_IOCTL_CONTROL, drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 146235783Skib 147235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ACQUIRE, drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 148235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_RELEASE, drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 149235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ENABLE, drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 150235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_INFO, drm_agp_info_ioctl, DRM_AUTH), 151235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ALLOC, drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 152235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_FREE, drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 153235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_BIND, drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 154235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND, drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 155235783Skib 156235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 157235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 158235783Skib DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED), 159235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0), 160235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_draw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 161235783Skib 162235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED), 163235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH|DRM_UNLOCKED), 164235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED), 165235783Skib 166235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 167235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANERESOURCES, drm_mode_getplane_res, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 168235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 169235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 170235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANE, drm_mode_getplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 171235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPLANE, drm_mode_setplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 172235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 173235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER|DRM_UNLOCKED), 174235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER|DRM_UNLOCKED), 175235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 176235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 177235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 178235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 179235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW|DRM_UNLOCKED), 180235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 181235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 182235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 183235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 184235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 185235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 186235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 187235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 188235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 189235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 190235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 191277487Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_GETPROPERTIES, drm_mode_obj_get_properties_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 192277487Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_SETPROPERTY, drm_mode_obj_set_property_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 193235783Skib}; 194235783Skib 195235783Skibstatic struct cdevsw drm_cdevsw = { 196235783Skib .d_version = D_VERSION, 197235783Skib .d_open = drm_open, 198235783Skib .d_read = drm_read, 199235783Skib .d_ioctl = drm_ioctl, 200235783Skib .d_poll = drm_poll, 201235783Skib .d_mmap = drm_mmap, 202247835Skib .d_mmap_single = drm_mmap_single, 203235783Skib .d_name = "drm", 204235783Skib .d_flags = D_TRACKCLOSE 205235783Skib}; 206235783Skib 207235783Skibstatic int drm_msi = 1; /* Enable by default. */ 208235783SkibSYSCTL_NODE(_hw, OID_AUTO, drm, CTLFLAG_RW, NULL, "DRM device"); 209235783SkibSYSCTL_INT(_hw_drm, OID_AUTO, msi, CTLFLAG_RDTUN, &drm_msi, 1, 210235783Skib "Enable MSI interrupts for drm devices"); 211235783Skib 212235783Skibstatic struct drm_msi_blacklist_entry drm_msi_blacklist[] = { 213235783Skib {0x8086, 0x2772}, /* Intel i945G */ \ 214235783Skib {0x8086, 0x27A2}, /* Intel i945GM */ \ 215235783Skib {0x8086, 0x27AE}, /* Intel i945GME */ \ 216235783Skib {0, 0} 217235783Skib}; 218235783Skib 219254820Sdumbbellstatic int drm_msi_is_blacklisted(struct drm_device *dev, unsigned long flags) 220235783Skib{ 221235783Skib int i = 0; 222254792Sdumbbell 223254820Sdumbbell if (dev->driver->use_msi != NULL) { 224254820Sdumbbell int use_msi; 225254820Sdumbbell 226254820Sdumbbell use_msi = dev->driver->use_msi(dev, flags); 227254820Sdumbbell 228254820Sdumbbell return (!use_msi); 229254820Sdumbbell } 230254820Sdumbbell 231254820Sdumbbell /* TODO: Maybe move this to a callback in i915? */ 232235783Skib for (i = 0; drm_msi_blacklist[i].vendor != 0; i++) { 233254820Sdumbbell if ((drm_msi_blacklist[i].vendor == dev->pci_vendor) && 234254820Sdumbbell (drm_msi_blacklist[i].device == dev->pci_device)) { 235235783Skib return 1; 236235783Skib } 237235783Skib } 238235783Skib 239235783Skib return 0; 240235783Skib} 241235783Skib 242235783Skibint drm_probe(device_t kdev, drm_pci_id_list_t *idlist) 243235783Skib{ 244235783Skib drm_pci_id_list_t *id_entry; 245235783Skib int vendor, device; 246235783Skib 247235783Skib vendor = pci_get_vendor(kdev); 248235783Skib device = pci_get_device(kdev); 249235783Skib 250235783Skib if (pci_get_class(kdev) != PCIC_DISPLAY 251277487Skib || (pci_get_subclass(kdev) != PCIS_DISPLAY_VGA && 252277487Skib pci_get_subclass(kdev) != PCIS_DISPLAY_OTHER)) 253235783Skib return ENXIO; 254235783Skib 255235783Skib id_entry = drm_find_description(vendor, device, idlist); 256235783Skib if (id_entry != NULL) { 257235783Skib if (!device_get_desc(kdev)) { 258235783Skib DRM_DEBUG("desc : %s\n", device_get_desc(kdev)); 259235783Skib device_set_desc(kdev, id_entry->name); 260235783Skib } 261235783Skib return 0; 262235783Skib } 263235783Skib 264235783Skib return ENXIO; 265235783Skib} 266235783Skib 267235783Skibint drm_attach(device_t kdev, drm_pci_id_list_t *idlist) 268235783Skib{ 269235783Skib struct drm_device *dev; 270235783Skib drm_pci_id_list_t *id_entry; 271235783Skib int error, msicount; 272235783Skib 273235783Skib dev = device_get_softc(kdev); 274235783Skib 275235783Skib dev->device = kdev; 276235783Skib 277235783Skib dev->pci_domain = pci_get_domain(dev->device); 278235783Skib dev->pci_bus = pci_get_bus(dev->device); 279235783Skib dev->pci_slot = pci_get_slot(dev->device); 280235783Skib dev->pci_func = pci_get_function(dev->device); 281235783Skib 282235783Skib dev->pci_vendor = pci_get_vendor(dev->device); 283235783Skib dev->pci_device = pci_get_device(dev->device); 284254820Sdumbbell dev->pci_subvendor = pci_get_subvendor(dev->device); 285254820Sdumbbell dev->pci_subdevice = pci_get_subdevice(dev->device); 286235783Skib 287254820Sdumbbell id_entry = drm_find_description(dev->pci_vendor, 288254820Sdumbbell dev->pci_device, idlist); 289254820Sdumbbell dev->id_entry = id_entry; 290254820Sdumbbell 291235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) { 292235783Skib if (drm_msi && 293254820Sdumbbell !drm_msi_is_blacklisted(dev, dev->id_entry->driver_private)) { 294235783Skib msicount = pci_msi_count(dev->device); 295235783Skib DRM_DEBUG("MSI count = %d\n", msicount); 296235783Skib if (msicount > 1) 297235783Skib msicount = 1; 298235783Skib 299235783Skib if (pci_alloc_msi(dev->device, &msicount) == 0) { 300235783Skib DRM_INFO("MSI enabled %d message(s)\n", 301235783Skib msicount); 302235783Skib dev->msi_enabled = 1; 303235783Skib dev->irqrid = 1; 304235783Skib } 305235783Skib } 306235783Skib 307235783Skib dev->irqr = bus_alloc_resource_any(dev->device, SYS_RES_IRQ, 308235783Skib &dev->irqrid, RF_SHAREABLE); 309235783Skib if (!dev->irqr) { 310235783Skib return (ENOENT); 311235783Skib } 312235783Skib 313235783Skib dev->irq = (int) rman_get_start(dev->irqr); 314235783Skib } 315235783Skib 316235783Skib mtx_init(&dev->dev_lock, "drmdev", NULL, MTX_DEF); 317235783Skib mtx_init(&dev->irq_lock, "drmirq", NULL, MTX_DEF); 318235783Skib mtx_init(&dev->vbl_lock, "drmvbl", NULL, MTX_DEF); 319235783Skib mtx_init(&dev->drw_lock, "drmdrw", NULL, MTX_DEF); 320235783Skib mtx_init(&dev->event_lock, "drmev", NULL, MTX_DEF); 321235783Skib sx_init(&dev->dev_struct_lock, "drmslk"); 322235783Skib 323235783Skib error = drm_load(dev); 324254821Sdumbbell if (error) 325254821Sdumbbell goto error; 326254821Sdumbbell 327254821Sdumbbell error = drm_create_cdevs(kdev); 328254821Sdumbbell if (error) 329254821Sdumbbell goto error; 330254821Sdumbbell 331235783Skib return (error); 332254821Sdumbbellerror: 333254821Sdumbbell if (dev->irqr) { 334254821Sdumbbell bus_release_resource(dev->device, SYS_RES_IRQ, 335254821Sdumbbell dev->irqrid, dev->irqr); 336254821Sdumbbell } 337254821Sdumbbell if (dev->msi_enabled) { 338254821Sdumbbell pci_release_msi(dev->device); 339254821Sdumbbell } 340254821Sdumbbell return (error); 341235783Skib} 342235783Skib 343235783Skibint 344235783Skibdrm_create_cdevs(device_t kdev) 345235783Skib{ 346235783Skib struct drm_device *dev; 347235783Skib int error, unit; 348235783Skib 349235783Skib unit = device_get_unit(kdev); 350235783Skib dev = device_get_softc(kdev); 351235783Skib 352235783Skib error = make_dev_p(MAKEDEV_WAITOK | MAKEDEV_CHECKNAME, &dev->devnode, 353235783Skib &drm_cdevsw, 0, DRM_DEV_UID, DRM_DEV_GID, 354235783Skib DRM_DEV_MODE, "dri/card%d", unit); 355235783Skib if (error == 0) 356235783Skib dev->devnode->si_drv1 = dev; 357235783Skib return (error); 358235783Skib} 359235783Skib 360235783Skibint drm_detach(device_t kdev) 361235783Skib{ 362235783Skib struct drm_device *dev; 363235783Skib 364235783Skib dev = device_get_softc(kdev); 365235783Skib drm_unload(dev); 366235783Skib if (dev->irqr) { 367235783Skib bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid, 368235783Skib dev->irqr); 369235783Skib if (dev->msi_enabled) { 370235783Skib pci_release_msi(dev->device); 371235783Skib DRM_INFO("MSI released\n"); 372235783Skib } 373235783Skib } 374235783Skib return (0); 375235783Skib} 376235783Skib 377235783Skib#ifndef DRM_DEV_NAME 378235783Skib#define DRM_DEV_NAME "drm" 379235783Skib#endif 380235783Skib 381235783Skibdevclass_t drm_devclass; 382235783Skib 383235783Skibdrm_pci_id_list_t *drm_find_description(int vendor, int device, 384235783Skib drm_pci_id_list_t *idlist) 385235783Skib{ 386235783Skib int i = 0; 387254792Sdumbbell 388235783Skib for (i = 0; idlist[i].vendor != 0; i++) { 389235783Skib if ((idlist[i].vendor == vendor) && 390235783Skib ((idlist[i].device == device) || 391235783Skib (idlist[i].device == 0))) { 392235783Skib return &idlist[i]; 393235783Skib } 394235783Skib } 395235783Skib return NULL; 396235783Skib} 397235783Skib 398235783Skibstatic int drm_firstopen(struct drm_device *dev) 399235783Skib{ 400235783Skib drm_local_map_t *map; 401235783Skib int i; 402235783Skib 403235783Skib DRM_LOCK_ASSERT(dev); 404235783Skib 405235783Skib /* prebuild the SAREA */ 406235783Skib i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, 407235783Skib _DRM_CONTAINS_LOCK, &map); 408235783Skib if (i != 0) 409235783Skib return i; 410235783Skib 411235783Skib if (dev->driver->firstopen) 412235783Skib dev->driver->firstopen(dev); 413235783Skib 414235783Skib dev->buf_use = 0; 415235783Skib 416235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) { 417235783Skib i = drm_dma_setup(dev); 418235783Skib if (i != 0) 419235783Skib return i; 420235783Skib } 421235783Skib 422235783Skib for (i = 0; i < DRM_HASH_SIZE; i++) { 423235783Skib dev->magiclist[i].head = NULL; 424235783Skib dev->magiclist[i].tail = NULL; 425235783Skib } 426235783Skib 427235783Skib dev->lock.lock_queue = 0; 428235783Skib if (!drm_core_check_feature(dev, DRIVER_MODESET)) 429235783Skib dev->irq_enabled = 0; 430235783Skib dev->context_flag = 0; 431235783Skib dev->last_context = 0; 432235783Skib dev->if_version = 0; 433235783Skib 434235783Skib dev->buf_sigio = NULL; 435235783Skib 436235783Skib DRM_DEBUG("\n"); 437235783Skib 438235783Skib return 0; 439235783Skib} 440235783Skib 441235783Skibstatic int drm_lastclose(struct drm_device *dev) 442235783Skib{ 443235783Skib drm_magic_entry_t *pt, *next; 444235783Skib drm_local_map_t *map, *mapsave; 445235783Skib int i; 446235783Skib 447235783Skib DRM_LOCK_ASSERT(dev); 448235783Skib 449235783Skib DRM_DEBUG("\n"); 450235783Skib 451235783Skib if (dev->driver->lastclose != NULL) 452235783Skib dev->driver->lastclose(dev); 453235783Skib 454235783Skib if (!drm_core_check_feature(dev, DRIVER_MODESET) && dev->irq_enabled) 455235783Skib drm_irq_uninstall(dev); 456235783Skib 457235783Skib if (dev->unique) { 458235783Skib free(dev->unique, DRM_MEM_DRIVER); 459235783Skib dev->unique = NULL; 460235783Skib dev->unique_len = 0; 461235783Skib } 462235783Skib /* Clear pid list */ 463235783Skib for (i = 0; i < DRM_HASH_SIZE; i++) { 464235783Skib for (pt = dev->magiclist[i].head; pt; pt = next) { 465235783Skib next = pt->next; 466235783Skib free(pt, DRM_MEM_MAGIC); 467235783Skib } 468235783Skib dev->magiclist[i].head = dev->magiclist[i].tail = NULL; 469235783Skib } 470235783Skib 471235783Skib DRM_UNLOCK(dev); 472235783Skib drm_drawable_free_all(dev); 473235783Skib DRM_LOCK(dev); 474235783Skib 475235783Skib /* Clear AGP information */ 476235783Skib if (dev->agp) { 477235783Skib drm_agp_mem_t *entry; 478235783Skib drm_agp_mem_t *nexte; 479235783Skib 480235783Skib /* Remove AGP resources, but leave dev->agp intact until 481235783Skib * drm_unload is called. 482235783Skib */ 483235783Skib for (entry = dev->agp->memory; entry; entry = nexte) { 484235783Skib nexte = entry->next; 485235783Skib if (entry->bound) 486235783Skib drm_agp_unbind_memory(entry->handle); 487235783Skib drm_agp_free_memory(entry->handle); 488235783Skib free(entry, DRM_MEM_AGPLISTS); 489235783Skib } 490235783Skib dev->agp->memory = NULL; 491235783Skib 492235783Skib if (dev->agp->acquired) 493235783Skib drm_agp_release(dev); 494235783Skib 495235783Skib dev->agp->acquired = 0; 496235783Skib dev->agp->enabled = 0; 497235783Skib } 498235783Skib if (dev->sg != NULL) { 499235783Skib drm_sg_cleanup(dev->sg); 500235783Skib dev->sg = NULL; 501235783Skib } 502235783Skib 503235783Skib TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) { 504235783Skib if (!(map->flags & _DRM_DRIVER)) 505235783Skib drm_rmmap(dev, map); 506235783Skib } 507235783Skib 508235783Skib drm_dma_takedown(dev); 509235783Skib if (dev->lock.hw_lock) { 510235783Skib dev->lock.hw_lock = NULL; /* SHM removed */ 511235783Skib dev->lock.file_priv = NULL; 512235783Skib DRM_WAKEUP_INT((void *)&dev->lock.lock_queue); 513235783Skib } 514235783Skib 515235783Skib return 0; 516235783Skib} 517235783Skib 518235783Skibstatic int drm_load(struct drm_device *dev) 519235783Skib{ 520235783Skib int i, retcode; 521235783Skib 522235783Skib DRM_DEBUG("\n"); 523235783Skib 524235783Skib TAILQ_INIT(&dev->maplist); 525235783Skib dev->map_unrhdr = new_unrhdr(1, ((1 << DRM_MAP_HANDLE_BITS) - 1), NULL); 526235783Skib if (dev->map_unrhdr == NULL) { 527235783Skib DRM_ERROR("Couldn't allocate map number allocator\n"); 528235783Skib return EINVAL; 529235783Skib } 530235783Skib 531235783Skib 532235783Skib drm_mem_init(); 533235783Skib drm_sysctl_init(dev); 534235783Skib TAILQ_INIT(&dev->files); 535235783Skib 536235783Skib dev->counters = 6; 537235783Skib dev->types[0] = _DRM_STAT_LOCK; 538235783Skib dev->types[1] = _DRM_STAT_OPENS; 539235783Skib dev->types[2] = _DRM_STAT_CLOSES; 540235783Skib dev->types[3] = _DRM_STAT_IOCTLS; 541235783Skib dev->types[4] = _DRM_STAT_LOCKS; 542235783Skib dev->types[5] = _DRM_STAT_UNLOCKS; 543235783Skib 544235783Skib for (i = 0; i < DRM_ARRAY_SIZE(dev->counts); i++) 545235783Skib atomic_set(&dev->counts[i], 0); 546235783Skib 547235783Skib INIT_LIST_HEAD(&dev->vblank_event_list); 548235783Skib 549235783Skib if (drm_core_has_AGP(dev)) { 550235783Skib if (drm_device_is_agp(dev)) 551235783Skib dev->agp = drm_agp_init(); 552235783Skib if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && 553235783Skib dev->agp == NULL) { 554235783Skib DRM_ERROR("Card isn't AGP, or couldn't initialize " 555235783Skib "AGP.\n"); 556235783Skib retcode = ENOMEM; 557235783Skib goto error; 558235783Skib } 559235783Skib if (dev->agp != NULL && dev->agp->info.ai_aperture_base != 0) { 560235783Skib if (drm_mtrr_add(dev->agp->info.ai_aperture_base, 561235783Skib dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0) 562235783Skib dev->agp->mtrr = 1; 563235783Skib } 564235783Skib } 565235783Skib 566235783Skib retcode = drm_ctxbitmap_init(dev); 567235783Skib if (retcode != 0) { 568235783Skib DRM_ERROR("Cannot allocate memory for context bitmap.\n"); 569235783Skib goto error; 570235783Skib } 571235783Skib 572235783Skib dev->drw_unrhdr = new_unrhdr(1, INT_MAX, NULL); 573235783Skib if (dev->drw_unrhdr == NULL) { 574235783Skib DRM_ERROR("Couldn't allocate drawable number allocator\n"); 575235783Skib retcode = ENOMEM; 576235783Skib goto error; 577235783Skib } 578235783Skib 579235783Skib if (dev->driver->driver_features & DRIVER_GEM) { 580235783Skib retcode = drm_gem_init(dev); 581235783Skib if (retcode != 0) { 582235783Skib DRM_ERROR("Cannot initialize graphics execution " 583235783Skib "manager (GEM)\n"); 584235783Skib goto error1; 585235783Skib } 586235783Skib } 587235783Skib 588235783Skib if (dev->driver->load != NULL) { 589235783Skib DRM_LOCK(dev); 590235783Skib /* Shared code returns -errno. */ 591235783Skib retcode = -dev->driver->load(dev, 592235783Skib dev->id_entry->driver_private); 593235783Skib if (pci_enable_busmaster(dev->device)) 594235783Skib DRM_ERROR("Request to enable bus-master failed.\n"); 595235783Skib DRM_UNLOCK(dev); 596235783Skib if (retcode != 0) 597254821Sdumbbell goto error1; 598235783Skib } 599235783Skib 600235783Skib DRM_INFO("Initialized %s %d.%d.%d %s\n", 601235783Skib dev->driver->name, 602235783Skib dev->driver->major, 603235783Skib dev->driver->minor, 604235783Skib dev->driver->patchlevel, 605235783Skib dev->driver->date); 606235783Skib 607235783Skib return 0; 608235783Skib 609235783Skiberror1: 610235783Skib delete_unrhdr(dev->drw_unrhdr); 611254821Sdumbbell drm_gem_destroy(dev); 612235783Skiberror: 613254821Sdumbbell drm_ctxbitmap_cleanup(dev); 614235783Skib drm_sysctl_cleanup(dev); 615235783Skib DRM_LOCK(dev); 616235783Skib drm_lastclose(dev); 617235783Skib DRM_UNLOCK(dev); 618235783Skib if (dev->devnode != NULL) 619235783Skib destroy_dev(dev->devnode); 620235783Skib 621235783Skib mtx_destroy(&dev->drw_lock); 622235783Skib mtx_destroy(&dev->vbl_lock); 623235783Skib mtx_destroy(&dev->irq_lock); 624235783Skib mtx_destroy(&dev->dev_lock); 625235783Skib mtx_destroy(&dev->event_lock); 626235783Skib sx_destroy(&dev->dev_struct_lock); 627235783Skib 628235783Skib return retcode; 629235783Skib} 630235783Skib 631235783Skibstatic void drm_unload(struct drm_device *dev) 632235783Skib{ 633235783Skib int i; 634235783Skib 635235783Skib DRM_DEBUG("\n"); 636235783Skib 637235783Skib drm_sysctl_cleanup(dev); 638235783Skib if (dev->devnode != NULL) 639235783Skib destroy_dev(dev->devnode); 640235783Skib 641235783Skib drm_ctxbitmap_cleanup(dev); 642235783Skib 643235783Skib if (dev->driver->driver_features & DRIVER_GEM) 644235783Skib drm_gem_destroy(dev); 645235783Skib 646235783Skib if (dev->agp && dev->agp->mtrr) { 647235783Skib int __unused retcode; 648235783Skib 649235783Skib retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base, 650235783Skib dev->agp->info.ai_aperture_size, DRM_MTRR_WC); 651235783Skib DRM_DEBUG("mtrr_del = %d", retcode); 652235783Skib } 653235783Skib 654235783Skib drm_vblank_cleanup(dev); 655235783Skib 656235783Skib DRM_LOCK(dev); 657235783Skib drm_lastclose(dev); 658235783Skib DRM_UNLOCK(dev); 659235783Skib 660235783Skib /* Clean up PCI resources allocated by drm_bufs.c. We're not really 661235783Skib * worried about resource consumption while the DRM is inactive (between 662235783Skib * lastclose and firstopen or unload) because these aren't actually 663235783Skib * taking up KVA, just keeping the PCI resource allocated. 664235783Skib */ 665235783Skib for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) { 666235783Skib if (dev->pcir[i] == NULL) 667235783Skib continue; 668235783Skib bus_release_resource(dev->device, SYS_RES_MEMORY, 669235783Skib dev->pcirid[i], dev->pcir[i]); 670235783Skib dev->pcir[i] = NULL; 671235783Skib } 672235783Skib 673235783Skib if (dev->agp) { 674235783Skib free(dev->agp, DRM_MEM_AGPLISTS); 675235783Skib dev->agp = NULL; 676235783Skib } 677235783Skib 678235783Skib if (dev->driver->unload != NULL) { 679235783Skib DRM_LOCK(dev); 680235783Skib dev->driver->unload(dev); 681235783Skib DRM_UNLOCK(dev); 682235783Skib } 683235783Skib 684235783Skib delete_unrhdr(dev->drw_unrhdr); 685235783Skib delete_unrhdr(dev->map_unrhdr); 686235783Skib 687235783Skib drm_mem_uninit(); 688235783Skib 689235783Skib if (pci_disable_busmaster(dev->device)) 690235783Skib DRM_ERROR("Request to disable bus-master failed.\n"); 691235783Skib 692235783Skib mtx_destroy(&dev->drw_lock); 693235783Skib mtx_destroy(&dev->vbl_lock); 694235783Skib mtx_destroy(&dev->irq_lock); 695235783Skib mtx_destroy(&dev->dev_lock); 696235783Skib mtx_destroy(&dev->event_lock); 697235783Skib sx_destroy(&dev->dev_struct_lock); 698235783Skib} 699235783Skib 700235783Skibint drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv) 701235783Skib{ 702235783Skib struct drm_version *version = data; 703235783Skib int len; 704235783Skib 705235783Skib#define DRM_COPY( name, value ) \ 706235783Skib len = strlen( value ); \ 707235783Skib if ( len > name##_len ) len = name##_len; \ 708235783Skib name##_len = strlen( value ); \ 709235783Skib if ( len && name ) { \ 710235783Skib if ( DRM_COPY_TO_USER( name, value, len ) ) \ 711235783Skib return EFAULT; \ 712235783Skib } 713235783Skib 714235783Skib version->version_major = dev->driver->major; 715235783Skib version->version_minor = dev->driver->minor; 716235783Skib version->version_patchlevel = dev->driver->patchlevel; 717235783Skib 718235783Skib DRM_COPY(version->name, dev->driver->name); 719235783Skib DRM_COPY(version->date, dev->driver->date); 720235783Skib DRM_COPY(version->desc, dev->driver->desc); 721235783Skib 722235783Skib return 0; 723235783Skib} 724235783Skib 725235783Skibint 726235783Skibdrm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) 727235783Skib{ 728235783Skib struct drm_device *dev; 729235783Skib int retcode; 730235783Skib 731235783Skib dev = kdev->si_drv1; 732235783Skib if (dev == NULL) 733235783Skib return (ENXIO); 734235783Skib 735235783Skib DRM_DEBUG("open_count = %d\n", dev->open_count); 736235783Skib 737235783Skib retcode = drm_open_helper(kdev, flags, fmt, p, dev); 738235783Skib 739235783Skib if (retcode == 0) { 740235783Skib atomic_inc(&dev->counts[_DRM_STAT_OPENS]); 741235783Skib DRM_LOCK(dev); 742235783Skib mtx_lock(&Giant); 743235783Skib device_busy(dev->device); 744235783Skib mtx_unlock(&Giant); 745235783Skib if (!dev->open_count++) 746235783Skib retcode = drm_firstopen(dev); 747235783Skib DRM_UNLOCK(dev); 748235783Skib } 749235783Skib 750235783Skib return (retcode); 751235783Skib} 752235783Skib 753235783Skibvoid drm_close(void *data) 754235783Skib{ 755235783Skib struct drm_file *file_priv = data; 756235783Skib struct drm_device *dev = file_priv->dev; 757235783Skib int retcode = 0; 758235783Skib 759235783Skib DRM_DEBUG("open_count = %d\n", dev->open_count); 760235783Skib 761235783Skib DRM_LOCK(dev); 762235783Skib 763235783Skib if (dev->driver->preclose != NULL) 764235783Skib dev->driver->preclose(dev, file_priv); 765235783Skib 766235783Skib /* ======================================================== 767235783Skib * Begin inline drm_release 768235783Skib */ 769235783Skib 770235783Skib DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", 771235783Skib DRM_CURRENTPID, (long)dev->device, dev->open_count); 772235783Skib 773235783Skib if (dev->driver->driver_features & DRIVER_GEM) 774235783Skib drm_gem_release(dev, file_priv); 775235783Skib 776235783Skib if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) 777235783Skib && dev->lock.file_priv == file_priv) { 778235783Skib DRM_DEBUG("Process %d dead, freeing lock for context %d\n", 779235783Skib DRM_CURRENTPID, 780235783Skib _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 781235783Skib if (dev->driver->reclaim_buffers_locked != NULL) 782235783Skib dev->driver->reclaim_buffers_locked(dev, file_priv); 783235783Skib 784235783Skib drm_lock_free(&dev->lock, 785235783Skib _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 786254792Sdumbbell 787235783Skib /* FIXME: may require heavy-handed reset of 788235783Skib hardware at this point, possibly 789235783Skib processed via a callback to the X 790235783Skib server. */ 791235783Skib } else if (dev->driver->reclaim_buffers_locked != NULL && 792235783Skib dev->lock.hw_lock != NULL) { 793235783Skib /* The lock is required to reclaim buffers */ 794235783Skib for (;;) { 795235783Skib if (!dev->lock.hw_lock) { 796235783Skib /* Device has been unregistered */ 797235783Skib retcode = EINTR; 798235783Skib break; 799235783Skib } 800235783Skib if (drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT)) { 801235783Skib dev->lock.file_priv = file_priv; 802235783Skib dev->lock.lock_time = jiffies; 803235783Skib atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 804235783Skib break; /* Got lock */ 805235783Skib } 806235783Skib /* Contention */ 807235783Skib retcode = DRM_LOCK_SLEEP(dev, &dev->lock.lock_queue, 808235783Skib PCATCH, "drmlk2", 0); 809235783Skib if (retcode) 810235783Skib break; 811235783Skib } 812235783Skib if (retcode == 0) { 813235783Skib dev->driver->reclaim_buffers_locked(dev, file_priv); 814235783Skib drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT); 815235783Skib } 816235783Skib } 817235783Skib 818235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && 819235783Skib !dev->driver->reclaim_buffers_locked) 820235783Skib drm_reclaim_buffers(dev, file_priv); 821235783Skib 822235783Skib funsetown(&dev->buf_sigio); 823235783Skib seldrain(&file_priv->event_poll); 824235783Skib 825235783Skib if (dev->driver->postclose != NULL) 826235783Skib dev->driver->postclose(dev, file_priv); 827235783Skib TAILQ_REMOVE(&dev->files, file_priv, link); 828235783Skib free(file_priv, DRM_MEM_FILES); 829235783Skib 830235783Skib /* ======================================================== 831235783Skib * End inline drm_release 832235783Skib */ 833235783Skib 834235783Skib atomic_inc(&dev->counts[_DRM_STAT_CLOSES]); 835235783Skib mtx_lock(&Giant); 836235783Skib device_unbusy(dev->device); 837235783Skib mtx_unlock(&Giant); 838235783Skib if (--dev->open_count == 0) { 839235783Skib retcode = drm_lastclose(dev); 840235783Skib } 841235783Skib 842235783Skib DRM_UNLOCK(dev); 843235783Skib} 844235783Skib 845239375Skibextern drm_ioctl_desc_t drm_compat_ioctls[]; 846239375Skib 847235783Skib/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. 848235783Skib */ 849254792Sdumbbellint drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags, 850235783Skib DRM_STRUCTPROC *p) 851235783Skib{ 852235783Skib struct drm_device *dev = drm_get_device_from_kdev(kdev); 853235783Skib int retcode = 0; 854235783Skib drm_ioctl_desc_t *ioctl; 855235783Skib int (*func)(struct drm_device *dev, void *data, struct drm_file *file_priv); 856235783Skib int nr = DRM_IOCTL_NR(cmd); 857235783Skib int is_driver_ioctl = 0; 858235783Skib struct drm_file *file_priv; 859235783Skib 860235783Skib retcode = devfs_get_cdevpriv((void **)&file_priv); 861235783Skib if (retcode != 0) { 862235783Skib DRM_ERROR("can't find authenticator\n"); 863235783Skib return EINVAL; 864235783Skib } 865235783Skib 866235783Skib atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); 867235783Skib ++file_priv->ioctl_count; 868235783Skib 869235783Skib DRM_DEBUG("pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", 870235783Skib DRM_CURRENTPID, cmd, nr, (long)dev->device, 871235783Skib file_priv->authenticated); 872235783Skib 873235783Skib switch (cmd) { 874235783Skib case FIONBIO: 875235783Skib case FIOASYNC: 876235783Skib return 0; 877235783Skib 878235783Skib case FIOSETOWN: 879235783Skib return fsetown(*(int *)data, &dev->buf_sigio); 880235783Skib 881235783Skib case FIOGETOWN: 882235783Skib *(int *) data = fgetown(&dev->buf_sigio); 883235783Skib return 0; 884235783Skib } 885235783Skib 886235783Skib if (IOCGROUP(cmd) != DRM_IOCTL_BASE) { 887235783Skib DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd)); 888235783Skib return EINVAL; 889235783Skib } 890235783Skib 891239375Skib#ifdef COMPAT_FREEBSD32 892239375Skib /* 893239375Skib * Called whenever a 32-bit process running under a 64-bit 894239375Skib * kernel performs an ioctl on /dev/drm. 895239375Skib */ 896239375Skib if (SV_CURPROC_FLAG(SV_ILP32) && drm_compat_ioctls[nr].func != NULL) 897239375Skib /* 898239375Skib * Assume that ioctls without an explicit compat 899239375Skib * routine will just work. This may not always be a 900239375Skib * good assumption, but it's better than always 901239375Skib * failing. 902239375Skib */ 903239375Skib ioctl = &drm_compat_ioctls[nr]; 904239375Skib else 905239375Skib#endif 906239375Skib ioctl = &drm_ioctls[nr]; 907235783Skib /* It's not a core DRM ioctl, try driver-specific. */ 908235783Skib if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) { 909235783Skib /* The array entries begin at DRM_COMMAND_BASE ioctl nr */ 910235783Skib nr -= DRM_COMMAND_BASE; 911275209Srea if (nr >= dev->driver->max_ioctl) { 912235783Skib DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n", 913235783Skib nr, dev->driver->max_ioctl); 914235783Skib return EINVAL; 915235783Skib } 916239375Skib#ifdef COMPAT_FREEBSD32 917239375Skib if (SV_CURPROC_FLAG(SV_ILP32) && 918239375Skib nr < *dev->driver->compat_ioctls_nr && 919239375Skib dev->driver->compat_ioctls[nr].func != NULL) 920239375Skib ioctl = &dev->driver->compat_ioctls[nr]; 921239375Skib else 922239375Skib#endif 923239375Skib ioctl = &dev->driver->ioctls[nr]; 924235783Skib is_driver_ioctl = 1; 925235783Skib } 926235783Skib func = ioctl->func; 927235783Skib 928235783Skib if (func == NULL) { 929235783Skib DRM_DEBUG("no function\n"); 930235783Skib return EINVAL; 931235783Skib } 932235783Skib 933235783Skib if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) || 934235783Skib ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || 935235783Skib ((ioctl->flags & DRM_MASTER) && !file_priv->master)) 936235783Skib return EACCES; 937235783Skib 938235783Skib if (is_driver_ioctl) { 939235783Skib if ((ioctl->flags & DRM_UNLOCKED) == 0) 940235783Skib DRM_LOCK(dev); 941235783Skib /* shared code returns -errno */ 942235783Skib retcode = -func(dev, data, file_priv); 943235783Skib if ((ioctl->flags & DRM_UNLOCKED) == 0) 944235783Skib DRM_UNLOCK(dev); 945235783Skib } else { 946235783Skib retcode = func(dev, data, file_priv); 947235783Skib } 948235783Skib 949235783Skib if (retcode != 0) 950235783Skib DRM_DEBUG(" returning %d\n", retcode); 951235783Skib if (retcode != 0 && 952235783Skib (drm_debug_flag & DRM_DEBUGBITS_FAILED_IOCTL) != 0) { 953235783Skib printf( 954235783Skib"pid %d, cmd 0x%02lx, nr 0x%02x/%1d, dev 0x%lx, auth %d, res %d\n", 955235783Skib DRM_CURRENTPID, cmd, nr, is_driver_ioctl, (long)dev->device, 956235783Skib file_priv->authenticated, retcode); 957235783Skib } 958235783Skib 959235783Skib return retcode; 960235783Skib} 961235783Skib 962235783Skibdrm_local_map_t *drm_getsarea(struct drm_device *dev) 963235783Skib{ 964235783Skib drm_local_map_t *map; 965235783Skib 966235783Skib DRM_LOCK_ASSERT(dev); 967235783Skib TAILQ_FOREACH(map, &dev->maplist, link) { 968235783Skib if (map->type == _DRM_SHM && (map->flags & _DRM_CONTAINS_LOCK)) 969235783Skib return map; 970235783Skib } 971235783Skib 972235783Skib return NULL; 973235783Skib} 974235783Skib 975235783Skibint 976235783Skibdrm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx, 977235783Skib struct sysctl_oid *top) 978235783Skib{ 979235783Skib struct sysctl_oid *oid; 980235783Skib 981235783Skib snprintf(dev->busid_str, sizeof(dev->busid_str), 982235783Skib "pci:%04x:%02x:%02x.%d", dev->pci_domain, dev->pci_bus, 983235783Skib dev->pci_slot, dev->pci_func); 984235783Skib oid = SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(top), OID_AUTO, "busid", 985235783Skib CTLFLAG_RD, dev->busid_str, 0, NULL); 986235783Skib if (oid == NULL) 987235783Skib return (ENOMEM); 988235783Skib dev->modesetting = (dev->driver->driver_features & DRIVER_MODESET) != 0; 989235783Skib oid = SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(top), OID_AUTO, 990235783Skib "modesetting", CTLFLAG_RD, &dev->modesetting, 0, NULL); 991235783Skib if (oid == NULL) 992235783Skib return (ENOMEM); 993235783Skib 994235783Skib return (0); 995235783Skib} 996235783Skib 997247835Skibstatic int 998247835Skibdrm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, vm_size_t size, 999247835Skib struct vm_object **obj_res, int nprot) 1000247835Skib{ 1001247835Skib struct drm_device *dev; 1002247835Skib 1003247835Skib dev = drm_get_device_from_kdev(kdev); 1004254822Sdumbbell if (dev->drm_ttm_bdev != NULL) { 1005254822Sdumbbell return (ttm_bo_mmap_single(dev->drm_ttm_bdev, offset, size, 1006254822Sdumbbell obj_res, nprot)); 1007254822Sdumbbell } else if ((dev->driver->driver_features & DRIVER_GEM) != 0) { 1008247835Skib return (drm_gem_mmap_single(dev, offset, size, obj_res, nprot)); 1009247835Skib } else { 1010247835Skib return (ENODEV); 1011247835Skib } 1012247835Skib} 1013247835Skib 1014235783Skib#if DRM_LINUX 1015235783Skib 1016235783Skib#include <sys/sysproto.h> 1017235783Skib 1018235783SkibMODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1); 1019235783Skib 1020235783Skib#define LINUX_IOCTL_DRM_MIN 0x6400 1021235783Skib#define LINUX_IOCTL_DRM_MAX 0x64ff 1022235783Skib 1023235783Skibstatic linux_ioctl_function_t drm_linux_ioctl; 1024254792Sdumbbellstatic struct linux_ioctl_handler drm_handler = {drm_linux_ioctl, 1025235783Skib LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX}; 1026235783Skib 1027235783Skib/* The bits for in/out are switched on Linux */ 1028235783Skib#define LINUX_IOC_IN IOC_OUT 1029235783Skib#define LINUX_IOC_OUT IOC_IN 1030235783Skib 1031235783Skibstatic int 1032235783Skibdrm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args) 1033235783Skib{ 1034235783Skib int error; 1035235783Skib int cmd = args->cmd; 1036235783Skib 1037235783Skib args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); 1038235783Skib if (cmd & LINUX_IOC_IN) 1039235783Skib args->cmd |= IOC_IN; 1040235783Skib if (cmd & LINUX_IOC_OUT) 1041235783Skib args->cmd |= IOC_OUT; 1042254792Sdumbbell 1043235783Skib error = ioctl(p, (struct ioctl_args *)args); 1044235783Skib 1045235783Skib return error; 1046235783Skib} 1047235783Skib#endif /* DRM_LINUX */ 1048235783Skib 1049254792Sdumbbell 1050254792Sdumbbellstatic int 1051254792Sdumbbelldrm_core_init(void *arg) 1052254792Sdumbbell{ 1053254792Sdumbbell 1054254792Sdumbbell drm_global_init(); 1055254792Sdumbbell 1056254792Sdumbbell#if DRM_LINUX 1057254792Sdumbbell linux_ioctl_register_handler(&drm_handler); 1058254792Sdumbbell#endif /* DRM_LINUX */ 1059254792Sdumbbell 1060254792Sdumbbell DRM_INFO("Initialized %s %d.%d.%d %s\n", 1061254792Sdumbbell CORE_NAME, CORE_MAJOR, CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE); 1062254792Sdumbbell return 0; 1063254792Sdumbbell} 1064254792Sdumbbell 1065254792Sdumbbellstatic void 1066254792Sdumbbelldrm_core_exit(void *arg) 1067254792Sdumbbell{ 1068254792Sdumbbell 1069254792Sdumbbell#if DRM_LINUX 1070254792Sdumbbell linux_ioctl_unregister_handler(&drm_handler); 1071254792Sdumbbell#endif /* DRM_LINUX */ 1072254792Sdumbbell 1073254792Sdumbbell drm_global_release(); 1074254792Sdumbbell} 1075254792Sdumbbell 1076254792SdumbbellSYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE, 1077254792Sdumbbell drm_core_init, NULL); 1078254792SdumbbellSYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, 1079254792Sdumbbell drm_core_exit, NULL); 1080254792Sdumbbell 1081277487Skibstatic bool 1082277487Skibdmi_found(const struct dmi_system_id *dsi) 1083277487Skib{ 1084277487Skib char *hw_vendor, *hw_prod; 1085277487Skib int i, slot; 1086277487Skib bool res; 1087277487Skib 1088277487Skib hw_vendor = kern_getenv("smbios.planar.maker"); 1089277487Skib hw_prod = kern_getenv("smbios.planar.product"); 1090277487Skib res = true; 1091277487Skib for (i = 0; i < nitems(dsi->matches); i++) { 1092277487Skib slot = dsi->matches[i].slot; 1093277487Skib switch (slot) { 1094277487Skib case DMI_NONE: 1095277487Skib break; 1096277487Skib case DMI_SYS_VENDOR: 1097277487Skib case DMI_BOARD_VENDOR: 1098277487Skib if (hw_vendor != NULL && 1099277487Skib !strcmp(hw_vendor, dsi->matches[i].substr)) { 1100277487Skib break; 1101277487Skib } else { 1102277487Skib res = false; 1103277487Skib goto out; 1104277487Skib } 1105277487Skib case DMI_PRODUCT_NAME: 1106277487Skib case DMI_BOARD_NAME: 1107277487Skib if (hw_prod != NULL && 1108277487Skib !strcmp(hw_prod, dsi->matches[i].substr)) { 1109277487Skib break; 1110277487Skib } else { 1111277487Skib res = false; 1112277487Skib goto out; 1113277487Skib } 1114277487Skib default: 1115277487Skib res = false; 1116277487Skib goto out; 1117277487Skib } 1118277487Skib } 1119277487Skibout: 1120277487Skib freeenv(hw_vendor); 1121277487Skib freeenv(hw_prod); 1122277487Skib 1123277487Skib return (res); 1124277487Skib} 1125277487Skib 1126235783Skibbool 1127235783Skibdmi_check_system(const struct dmi_system_id *sysid) 1128235783Skib{ 1129277487Skib const struct dmi_system_id *dsi; 1130277487Skib bool res; 1131235783Skib 1132277487Skib for (res = false, dsi = sysid; dsi->matches[0].slot != 0 ; dsi++) { 1133277487Skib if (dmi_found(dsi)) { 1134277487Skib res = true; 1135277487Skib if (dsi->callback != NULL && dsi->callback(dsi)) 1136277487Skib break; 1137277487Skib } 1138277487Skib } 1139277487Skib return (res); 1140235783Skib} 1141