drm_drv.c revision 247835
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 247835 2013-03-05 09:49:34Z 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> 43235783Skib#include <dev/drm2/drm_sarea.h> 44235783Skib#include <dev/drm2/drm_mode.h> 45235783Skib 46235783Skib#ifdef DRM_DEBUG_DEFAULT_ON 47242467Sglebiusint drm_debug_flag = (DRM_DEBUGBITS_DEBUG | DRM_DEBUGBITS_KMS | 48242467Sglebius DRM_DEBUGBITS_FAILED_IOCTL); 49235783Skib#else 50242467Sglebiusint drm_debug_flag = 0; 51235783Skib#endif 52235783Skibint drm_notyet_flag = 0; 53235783Skib 54235783Skibunsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ 55235783Skibunsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ 56235783Skib 57235783Skibstatic int drm_load(struct drm_device *dev); 58235783Skibstatic void drm_unload(struct drm_device *dev); 59235783Skibstatic drm_pci_id_list_t *drm_find_description(int vendor, int device, 60235783Skib drm_pci_id_list_t *idlist); 61247835Skibstatic int drm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, 62247835Skib vm_size_t size, struct vm_object **obj_res, int nprot); 63235783Skib 64235783Skibstatic int 65235783Skibdrm_modevent(module_t mod, int type, void *data) 66235783Skib{ 67235783Skib 68235783Skib switch (type) { 69235783Skib case MOD_LOAD: 70235783Skib TUNABLE_INT_FETCH("drm.debug", &drm_debug_flag); 71235783Skib TUNABLE_INT_FETCH("drm.notyet", &drm_notyet_flag); 72235783Skib break; 73235783Skib } 74235783Skib return (0); 75235783Skib} 76235783Skib 77235783Skibstatic moduledata_t drm_mod = { 78235783Skib "drmn", 79235783Skib drm_modevent, 80241394Skevlo 0 81235783Skib}; 82235783SkibDECLARE_MODULE(drmn, drm_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 83235783SkibMODULE_VERSION(drmn, 1); 84235783SkibMODULE_DEPEND(drmn, agp, 1, 1, 1); 85235783SkibMODULE_DEPEND(drmn, pci, 1, 1, 1); 86235783SkibMODULE_DEPEND(drmn, mem, 1, 1, 1); 87235783SkibMODULE_DEPEND(drmn, iicbus, 1, 1, 1); 88235783Skib 89235783Skibstatic drm_ioctl_desc_t drm_ioctls[256] = { 90235783Skib DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, 0), 91235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0), 92235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0), 93235783Skib DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY), 94235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, 0), 95235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, 0), 96235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, 0), 97235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, DRM_UNLOCKED), 98235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER|DRM_ROOT_ONLY), 99235783Skib 100235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 101235783Skib DRM_IOCTL_DEF(DRM_IOCTL_BLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 102235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UNBLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 103235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AUTH_MAGIC, drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 104235783Skib 105235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_MAP, drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 106235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_MAP, drm_rmmap_ioctl, DRM_AUTH), 107235783Skib 108235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 109235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH), 110235783Skib 111235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY), 112235783Skib DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY), 113235783Skib 114235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY), 115235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 116235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 117235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CTX, drm_getctx, DRM_AUTH), 118235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SWITCH_CTX, drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 119235783Skib DRM_IOCTL_DEF(DRM_IOCTL_NEW_CTX, drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 120235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RES_CTX, drm_resctx, DRM_AUTH), 121235783Skib 122235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_DRAW, drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 123235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_DRAW, drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 124235783Skib 125235783Skib DRM_IOCTL_DEF(DRM_IOCTL_LOCK, drm_lock, DRM_AUTH), 126235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UNLOCK, drm_unlock, DRM_AUTH), 127235783Skib 128235783Skib DRM_IOCTL_DEF(DRM_IOCTL_FINISH, drm_noop, DRM_AUTH), 129235783Skib 130235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_BUFS, drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 131235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MARK_BUFS, drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 132235783Skib DRM_IOCTL_DEF(DRM_IOCTL_INFO_BUFS, drm_infobufs, DRM_AUTH), 133235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MAP_BUFS, drm_mapbufs, DRM_AUTH), 134235783Skib DRM_IOCTL_DEF(DRM_IOCTL_FREE_BUFS, drm_freebufs, DRM_AUTH), 135235783Skib DRM_IOCTL_DEF(DRM_IOCTL_DMA, drm_dma, DRM_AUTH), 136235783Skib 137235783Skib DRM_IOCTL_DEF(DRM_IOCTL_CONTROL, drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 138235783Skib 139235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ACQUIRE, drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 140235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_RELEASE, drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 141235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ENABLE, drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 142235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_INFO, drm_agp_info_ioctl, DRM_AUTH), 143235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ALLOC, drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 144235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_FREE, drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 145235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_BIND, drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 146235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND, drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 147235783Skib 148235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 149235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 150235783Skib DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED), 151235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0), 152235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_draw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 153235783Skib 154235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED), 155235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH|DRM_UNLOCKED), 156235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED), 157235783Skib 158235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 159235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANERESOURCES, drm_mode_getplane_res, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 160235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 161235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 162235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANE, drm_mode_getplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 163235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPLANE, drm_mode_setplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 164235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 165235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER|DRM_UNLOCKED), 166235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER|DRM_UNLOCKED), 167235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 168235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 169235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 170235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 171235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW|DRM_UNLOCKED), 172235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 173235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 174235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 175235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 176235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 177235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 178235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 179235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 180235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 181235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 182235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 183235783Skib}; 184235783Skib 185235783Skibstatic struct cdevsw drm_cdevsw = { 186235783Skib .d_version = D_VERSION, 187235783Skib .d_open = drm_open, 188235783Skib .d_read = drm_read, 189235783Skib .d_ioctl = drm_ioctl, 190235783Skib .d_poll = drm_poll, 191235783Skib .d_mmap = drm_mmap, 192247835Skib .d_mmap_single = drm_mmap_single, 193235783Skib .d_name = "drm", 194235783Skib .d_flags = D_TRACKCLOSE 195235783Skib}; 196235783Skib 197235783Skibstatic int drm_msi = 1; /* Enable by default. */ 198235783SkibTUNABLE_INT("hw.drm.msi", &drm_msi); 199235783SkibSYSCTL_NODE(_hw, OID_AUTO, drm, CTLFLAG_RW, NULL, "DRM device"); 200235783SkibSYSCTL_INT(_hw_drm, OID_AUTO, msi, CTLFLAG_RDTUN, &drm_msi, 1, 201235783Skib "Enable MSI interrupts for drm devices"); 202235783Skib 203235783Skibstatic struct drm_msi_blacklist_entry drm_msi_blacklist[] = { 204235783Skib {0x8086, 0x2772}, /* Intel i945G */ \ 205235783Skib {0x8086, 0x27A2}, /* Intel i945GM */ \ 206235783Skib {0x8086, 0x27AE}, /* Intel i945GME */ \ 207235783Skib {0, 0} 208235783Skib}; 209235783Skib 210235783Skibstatic int drm_msi_is_blacklisted(int vendor, int device) 211235783Skib{ 212235783Skib int i = 0; 213235783Skib 214235783Skib for (i = 0; drm_msi_blacklist[i].vendor != 0; i++) { 215235783Skib if ((drm_msi_blacklist[i].vendor == vendor) && 216235783Skib (drm_msi_blacklist[i].device == device)) { 217235783Skib return 1; 218235783Skib } 219235783Skib } 220235783Skib 221235783Skib return 0; 222235783Skib} 223235783Skib 224235783Skibint drm_probe(device_t kdev, drm_pci_id_list_t *idlist) 225235783Skib{ 226235783Skib drm_pci_id_list_t *id_entry; 227235783Skib int vendor, device; 228235783Skib 229235783Skib vendor = pci_get_vendor(kdev); 230235783Skib device = pci_get_device(kdev); 231235783Skib 232235783Skib if (pci_get_class(kdev) != PCIC_DISPLAY 233235783Skib || pci_get_subclass(kdev) != PCIS_DISPLAY_VGA) 234235783Skib return ENXIO; 235235783Skib 236235783Skib id_entry = drm_find_description(vendor, device, idlist); 237235783Skib if (id_entry != NULL) { 238235783Skib if (!device_get_desc(kdev)) { 239235783Skib DRM_DEBUG("desc : %s\n", device_get_desc(kdev)); 240235783Skib device_set_desc(kdev, id_entry->name); 241235783Skib } 242235783Skib return 0; 243235783Skib } 244235783Skib 245235783Skib return ENXIO; 246235783Skib} 247235783Skib 248235783Skibint drm_attach(device_t kdev, drm_pci_id_list_t *idlist) 249235783Skib{ 250235783Skib struct drm_device *dev; 251235783Skib drm_pci_id_list_t *id_entry; 252235783Skib int error, msicount; 253235783Skib 254235783Skib dev = device_get_softc(kdev); 255235783Skib 256235783Skib dev->device = kdev; 257235783Skib 258235783Skib dev->pci_domain = pci_get_domain(dev->device); 259235783Skib dev->pci_bus = pci_get_bus(dev->device); 260235783Skib dev->pci_slot = pci_get_slot(dev->device); 261235783Skib dev->pci_func = pci_get_function(dev->device); 262235783Skib 263235783Skib dev->pci_vendor = pci_get_vendor(dev->device); 264235783Skib dev->pci_device = pci_get_device(dev->device); 265235783Skib 266235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) { 267235783Skib if (drm_msi && 268235783Skib !drm_msi_is_blacklisted(dev->pci_vendor, dev->pci_device)) { 269235783Skib msicount = pci_msi_count(dev->device); 270235783Skib DRM_DEBUG("MSI count = %d\n", msicount); 271235783Skib if (msicount > 1) 272235783Skib msicount = 1; 273235783Skib 274235783Skib if (pci_alloc_msi(dev->device, &msicount) == 0) { 275235783Skib DRM_INFO("MSI enabled %d message(s)\n", 276235783Skib msicount); 277235783Skib dev->msi_enabled = 1; 278235783Skib dev->irqrid = 1; 279235783Skib } 280235783Skib } 281235783Skib 282235783Skib dev->irqr = bus_alloc_resource_any(dev->device, SYS_RES_IRQ, 283235783Skib &dev->irqrid, RF_SHAREABLE); 284235783Skib if (!dev->irqr) { 285235783Skib return (ENOENT); 286235783Skib } 287235783Skib 288235783Skib dev->irq = (int) rman_get_start(dev->irqr); 289235783Skib } 290235783Skib 291235783Skib mtx_init(&dev->dev_lock, "drmdev", NULL, MTX_DEF); 292235783Skib mtx_init(&dev->irq_lock, "drmirq", NULL, MTX_DEF); 293235783Skib mtx_init(&dev->vbl_lock, "drmvbl", NULL, MTX_DEF); 294235783Skib mtx_init(&dev->drw_lock, "drmdrw", NULL, MTX_DEF); 295235783Skib mtx_init(&dev->event_lock, "drmev", NULL, MTX_DEF); 296235783Skib sx_init(&dev->dev_struct_lock, "drmslk"); 297235783Skib 298235783Skib id_entry = drm_find_description(dev->pci_vendor, 299235783Skib dev->pci_device, idlist); 300235783Skib dev->id_entry = id_entry; 301235783Skib 302235783Skib error = drm_load(dev); 303235783Skib if (error == 0) 304235783Skib error = drm_create_cdevs(kdev); 305235783Skib return (error); 306235783Skib} 307235783Skib 308235783Skibint 309235783Skibdrm_create_cdevs(device_t kdev) 310235783Skib{ 311235783Skib struct drm_device *dev; 312235783Skib int error, unit; 313235783Skib 314235783Skib unit = device_get_unit(kdev); 315235783Skib dev = device_get_softc(kdev); 316235783Skib 317235783Skib error = make_dev_p(MAKEDEV_WAITOK | MAKEDEV_CHECKNAME, &dev->devnode, 318235783Skib &drm_cdevsw, 0, DRM_DEV_UID, DRM_DEV_GID, 319235783Skib DRM_DEV_MODE, "dri/card%d", unit); 320235783Skib if (error == 0) 321235783Skib dev->devnode->si_drv1 = dev; 322235783Skib return (error); 323235783Skib} 324235783Skib 325235783Skibint drm_detach(device_t kdev) 326235783Skib{ 327235783Skib struct drm_device *dev; 328235783Skib 329235783Skib dev = device_get_softc(kdev); 330235783Skib drm_unload(dev); 331235783Skib if (dev->irqr) { 332235783Skib bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid, 333235783Skib dev->irqr); 334235783Skib if (dev->msi_enabled) { 335235783Skib pci_release_msi(dev->device); 336235783Skib DRM_INFO("MSI released\n"); 337235783Skib } 338235783Skib } 339235783Skib return (0); 340235783Skib} 341235783Skib 342235783Skib#ifndef DRM_DEV_NAME 343235783Skib#define DRM_DEV_NAME "drm" 344235783Skib#endif 345235783Skib 346235783Skibdevclass_t drm_devclass; 347235783Skib 348235783Skibdrm_pci_id_list_t *drm_find_description(int vendor, int device, 349235783Skib drm_pci_id_list_t *idlist) 350235783Skib{ 351235783Skib int i = 0; 352235783Skib 353235783Skib for (i = 0; idlist[i].vendor != 0; i++) { 354235783Skib if ((idlist[i].vendor == vendor) && 355235783Skib ((idlist[i].device == device) || 356235783Skib (idlist[i].device == 0))) { 357235783Skib return &idlist[i]; 358235783Skib } 359235783Skib } 360235783Skib return NULL; 361235783Skib} 362235783Skib 363235783Skibstatic int drm_firstopen(struct drm_device *dev) 364235783Skib{ 365235783Skib drm_local_map_t *map; 366235783Skib int i; 367235783Skib 368235783Skib DRM_LOCK_ASSERT(dev); 369235783Skib 370235783Skib /* prebuild the SAREA */ 371235783Skib i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, 372235783Skib _DRM_CONTAINS_LOCK, &map); 373235783Skib if (i != 0) 374235783Skib return i; 375235783Skib 376235783Skib if (dev->driver->firstopen) 377235783Skib dev->driver->firstopen(dev); 378235783Skib 379235783Skib dev->buf_use = 0; 380235783Skib 381235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) { 382235783Skib i = drm_dma_setup(dev); 383235783Skib if (i != 0) 384235783Skib return i; 385235783Skib } 386235783Skib 387235783Skib for (i = 0; i < DRM_HASH_SIZE; i++) { 388235783Skib dev->magiclist[i].head = NULL; 389235783Skib dev->magiclist[i].tail = NULL; 390235783Skib } 391235783Skib 392235783Skib dev->lock.lock_queue = 0; 393235783Skib if (!drm_core_check_feature(dev, DRIVER_MODESET)) 394235783Skib dev->irq_enabled = 0; 395235783Skib dev->context_flag = 0; 396235783Skib dev->last_context = 0; 397235783Skib dev->if_version = 0; 398235783Skib 399235783Skib dev->buf_sigio = NULL; 400235783Skib 401235783Skib DRM_DEBUG("\n"); 402235783Skib 403235783Skib return 0; 404235783Skib} 405235783Skib 406235783Skibstatic int drm_lastclose(struct drm_device *dev) 407235783Skib{ 408235783Skib drm_magic_entry_t *pt, *next; 409235783Skib drm_local_map_t *map, *mapsave; 410235783Skib int i; 411235783Skib 412235783Skib DRM_LOCK_ASSERT(dev); 413235783Skib 414235783Skib DRM_DEBUG("\n"); 415235783Skib 416235783Skib if (dev->driver->lastclose != NULL) 417235783Skib dev->driver->lastclose(dev); 418235783Skib 419235783Skib if (!drm_core_check_feature(dev, DRIVER_MODESET) && dev->irq_enabled) 420235783Skib drm_irq_uninstall(dev); 421235783Skib 422235783Skib if (dev->unique) { 423235783Skib free(dev->unique, DRM_MEM_DRIVER); 424235783Skib dev->unique = NULL; 425235783Skib dev->unique_len = 0; 426235783Skib } 427235783Skib /* Clear pid list */ 428235783Skib for (i = 0; i < DRM_HASH_SIZE; i++) { 429235783Skib for (pt = dev->magiclist[i].head; pt; pt = next) { 430235783Skib next = pt->next; 431235783Skib free(pt, DRM_MEM_MAGIC); 432235783Skib } 433235783Skib dev->magiclist[i].head = dev->magiclist[i].tail = NULL; 434235783Skib } 435235783Skib 436235783Skib DRM_UNLOCK(dev); 437235783Skib drm_drawable_free_all(dev); 438235783Skib DRM_LOCK(dev); 439235783Skib 440235783Skib /* Clear AGP information */ 441235783Skib if (dev->agp) { 442235783Skib drm_agp_mem_t *entry; 443235783Skib drm_agp_mem_t *nexte; 444235783Skib 445235783Skib /* Remove AGP resources, but leave dev->agp intact until 446235783Skib * drm_unload is called. 447235783Skib */ 448235783Skib for (entry = dev->agp->memory; entry; entry = nexte) { 449235783Skib nexte = entry->next; 450235783Skib if (entry->bound) 451235783Skib drm_agp_unbind_memory(entry->handle); 452235783Skib drm_agp_free_memory(entry->handle); 453235783Skib free(entry, DRM_MEM_AGPLISTS); 454235783Skib } 455235783Skib dev->agp->memory = NULL; 456235783Skib 457235783Skib if (dev->agp->acquired) 458235783Skib drm_agp_release(dev); 459235783Skib 460235783Skib dev->agp->acquired = 0; 461235783Skib dev->agp->enabled = 0; 462235783Skib } 463235783Skib if (dev->sg != NULL) { 464235783Skib drm_sg_cleanup(dev->sg); 465235783Skib dev->sg = NULL; 466235783Skib } 467235783Skib 468235783Skib TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) { 469235783Skib if (!(map->flags & _DRM_DRIVER)) 470235783Skib drm_rmmap(dev, map); 471235783Skib } 472235783Skib 473235783Skib drm_dma_takedown(dev); 474235783Skib if (dev->lock.hw_lock) { 475235783Skib dev->lock.hw_lock = NULL; /* SHM removed */ 476235783Skib dev->lock.file_priv = NULL; 477235783Skib DRM_WAKEUP_INT((void *)&dev->lock.lock_queue); 478235783Skib } 479235783Skib 480235783Skib return 0; 481235783Skib} 482235783Skib 483235783Skibstatic int drm_load(struct drm_device *dev) 484235783Skib{ 485235783Skib int i, retcode; 486235783Skib 487235783Skib DRM_DEBUG("\n"); 488235783Skib 489235783Skib TAILQ_INIT(&dev->maplist); 490235783Skib dev->map_unrhdr = new_unrhdr(1, ((1 << DRM_MAP_HANDLE_BITS) - 1), NULL); 491235783Skib if (dev->map_unrhdr == NULL) { 492235783Skib DRM_ERROR("Couldn't allocate map number allocator\n"); 493235783Skib return EINVAL; 494235783Skib } 495235783Skib 496235783Skib 497235783Skib drm_mem_init(); 498235783Skib drm_sysctl_init(dev); 499235783Skib TAILQ_INIT(&dev->files); 500235783Skib 501235783Skib dev->counters = 6; 502235783Skib dev->types[0] = _DRM_STAT_LOCK; 503235783Skib dev->types[1] = _DRM_STAT_OPENS; 504235783Skib dev->types[2] = _DRM_STAT_CLOSES; 505235783Skib dev->types[3] = _DRM_STAT_IOCTLS; 506235783Skib dev->types[4] = _DRM_STAT_LOCKS; 507235783Skib dev->types[5] = _DRM_STAT_UNLOCKS; 508235783Skib 509235783Skib for (i = 0; i < DRM_ARRAY_SIZE(dev->counts); i++) 510235783Skib atomic_set(&dev->counts[i], 0); 511235783Skib 512235783Skib INIT_LIST_HEAD(&dev->vblank_event_list); 513235783Skib 514235783Skib if (drm_core_has_AGP(dev)) { 515235783Skib if (drm_device_is_agp(dev)) 516235783Skib dev->agp = drm_agp_init(); 517235783Skib if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && 518235783Skib dev->agp == NULL) { 519235783Skib DRM_ERROR("Card isn't AGP, or couldn't initialize " 520235783Skib "AGP.\n"); 521235783Skib retcode = ENOMEM; 522235783Skib goto error; 523235783Skib } 524235783Skib if (dev->agp != NULL && dev->agp->info.ai_aperture_base != 0) { 525235783Skib if (drm_mtrr_add(dev->agp->info.ai_aperture_base, 526235783Skib dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0) 527235783Skib dev->agp->mtrr = 1; 528235783Skib } 529235783Skib } 530235783Skib 531235783Skib retcode = drm_ctxbitmap_init(dev); 532235783Skib if (retcode != 0) { 533235783Skib DRM_ERROR("Cannot allocate memory for context bitmap.\n"); 534235783Skib goto error; 535235783Skib } 536235783Skib 537235783Skib dev->drw_unrhdr = new_unrhdr(1, INT_MAX, NULL); 538235783Skib if (dev->drw_unrhdr == NULL) { 539235783Skib DRM_ERROR("Couldn't allocate drawable number allocator\n"); 540235783Skib retcode = ENOMEM; 541235783Skib goto error; 542235783Skib } 543235783Skib 544235783Skib if (dev->driver->driver_features & DRIVER_GEM) { 545235783Skib retcode = drm_gem_init(dev); 546235783Skib if (retcode != 0) { 547235783Skib DRM_ERROR("Cannot initialize graphics execution " 548235783Skib "manager (GEM)\n"); 549235783Skib goto error1; 550235783Skib } 551235783Skib } 552235783Skib 553235783Skib if (dev->driver->load != NULL) { 554235783Skib DRM_LOCK(dev); 555235783Skib /* Shared code returns -errno. */ 556235783Skib retcode = -dev->driver->load(dev, 557235783Skib dev->id_entry->driver_private); 558235783Skib if (pci_enable_busmaster(dev->device)) 559235783Skib DRM_ERROR("Request to enable bus-master failed.\n"); 560235783Skib DRM_UNLOCK(dev); 561235783Skib if (retcode != 0) 562235783Skib goto error; 563235783Skib } 564235783Skib 565235783Skib DRM_INFO("Initialized %s %d.%d.%d %s\n", 566235783Skib dev->driver->name, 567235783Skib dev->driver->major, 568235783Skib dev->driver->minor, 569235783Skib dev->driver->patchlevel, 570235783Skib dev->driver->date); 571235783Skib 572235783Skib return 0; 573235783Skib 574235783Skiberror1: 575235783Skib delete_unrhdr(dev->drw_unrhdr); 576235783Skiberror: 577235783Skib drm_sysctl_cleanup(dev); 578235783Skib DRM_LOCK(dev); 579235783Skib drm_lastclose(dev); 580235783Skib DRM_UNLOCK(dev); 581235783Skib if (dev->devnode != NULL) 582235783Skib destroy_dev(dev->devnode); 583235783Skib 584235783Skib mtx_destroy(&dev->drw_lock); 585235783Skib mtx_destroy(&dev->vbl_lock); 586235783Skib mtx_destroy(&dev->irq_lock); 587235783Skib mtx_destroy(&dev->dev_lock); 588235783Skib mtx_destroy(&dev->event_lock); 589235783Skib sx_destroy(&dev->dev_struct_lock); 590235783Skib 591235783Skib return retcode; 592235783Skib} 593235783Skib 594235783Skibstatic void drm_unload(struct drm_device *dev) 595235783Skib{ 596235783Skib int i; 597235783Skib 598235783Skib DRM_DEBUG("\n"); 599235783Skib 600235783Skib drm_sysctl_cleanup(dev); 601235783Skib if (dev->devnode != NULL) 602235783Skib destroy_dev(dev->devnode); 603235783Skib 604235783Skib drm_ctxbitmap_cleanup(dev); 605235783Skib 606235783Skib if (dev->driver->driver_features & DRIVER_GEM) 607235783Skib drm_gem_destroy(dev); 608235783Skib 609235783Skib if (dev->agp && dev->agp->mtrr) { 610235783Skib int __unused retcode; 611235783Skib 612235783Skib retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base, 613235783Skib dev->agp->info.ai_aperture_size, DRM_MTRR_WC); 614235783Skib DRM_DEBUG("mtrr_del = %d", retcode); 615235783Skib } 616235783Skib 617235783Skib drm_vblank_cleanup(dev); 618235783Skib 619235783Skib DRM_LOCK(dev); 620235783Skib drm_lastclose(dev); 621235783Skib DRM_UNLOCK(dev); 622235783Skib 623235783Skib /* Clean up PCI resources allocated by drm_bufs.c. We're not really 624235783Skib * worried about resource consumption while the DRM is inactive (between 625235783Skib * lastclose and firstopen or unload) because these aren't actually 626235783Skib * taking up KVA, just keeping the PCI resource allocated. 627235783Skib */ 628235783Skib for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) { 629235783Skib if (dev->pcir[i] == NULL) 630235783Skib continue; 631235783Skib bus_release_resource(dev->device, SYS_RES_MEMORY, 632235783Skib dev->pcirid[i], dev->pcir[i]); 633235783Skib dev->pcir[i] = NULL; 634235783Skib } 635235783Skib 636235783Skib if (dev->agp) { 637235783Skib free(dev->agp, DRM_MEM_AGPLISTS); 638235783Skib dev->agp = NULL; 639235783Skib } 640235783Skib 641235783Skib if (dev->driver->unload != NULL) { 642235783Skib DRM_LOCK(dev); 643235783Skib dev->driver->unload(dev); 644235783Skib DRM_UNLOCK(dev); 645235783Skib } 646235783Skib 647235783Skib delete_unrhdr(dev->drw_unrhdr); 648235783Skib delete_unrhdr(dev->map_unrhdr); 649235783Skib 650235783Skib drm_mem_uninit(); 651235783Skib 652235783Skib if (pci_disable_busmaster(dev->device)) 653235783Skib DRM_ERROR("Request to disable bus-master failed.\n"); 654235783Skib 655235783Skib mtx_destroy(&dev->drw_lock); 656235783Skib mtx_destroy(&dev->vbl_lock); 657235783Skib mtx_destroy(&dev->irq_lock); 658235783Skib mtx_destroy(&dev->dev_lock); 659235783Skib mtx_destroy(&dev->event_lock); 660235783Skib sx_destroy(&dev->dev_struct_lock); 661235783Skib} 662235783Skib 663235783Skibint drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv) 664235783Skib{ 665235783Skib struct drm_version *version = data; 666235783Skib int len; 667235783Skib 668235783Skib#define DRM_COPY( name, value ) \ 669235783Skib len = strlen( value ); \ 670235783Skib if ( len > name##_len ) len = name##_len; \ 671235783Skib name##_len = strlen( value ); \ 672235783Skib if ( len && name ) { \ 673235783Skib if ( DRM_COPY_TO_USER( name, value, len ) ) \ 674235783Skib return EFAULT; \ 675235783Skib } 676235783Skib 677235783Skib version->version_major = dev->driver->major; 678235783Skib version->version_minor = dev->driver->minor; 679235783Skib version->version_patchlevel = dev->driver->patchlevel; 680235783Skib 681235783Skib DRM_COPY(version->name, dev->driver->name); 682235783Skib DRM_COPY(version->date, dev->driver->date); 683235783Skib DRM_COPY(version->desc, dev->driver->desc); 684235783Skib 685235783Skib return 0; 686235783Skib} 687235783Skib 688235783Skibint 689235783Skibdrm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) 690235783Skib{ 691235783Skib struct drm_device *dev; 692235783Skib int retcode; 693235783Skib 694235783Skib dev = kdev->si_drv1; 695235783Skib if (dev == NULL) 696235783Skib return (ENXIO); 697235783Skib 698235783Skib DRM_DEBUG("open_count = %d\n", dev->open_count); 699235783Skib 700235783Skib retcode = drm_open_helper(kdev, flags, fmt, p, dev); 701235783Skib 702235783Skib if (retcode == 0) { 703235783Skib atomic_inc(&dev->counts[_DRM_STAT_OPENS]); 704235783Skib DRM_LOCK(dev); 705235783Skib mtx_lock(&Giant); 706235783Skib device_busy(dev->device); 707235783Skib mtx_unlock(&Giant); 708235783Skib if (!dev->open_count++) 709235783Skib retcode = drm_firstopen(dev); 710235783Skib DRM_UNLOCK(dev); 711235783Skib } 712235783Skib 713235783Skib return (retcode); 714235783Skib} 715235783Skib 716235783Skibvoid drm_close(void *data) 717235783Skib{ 718235783Skib struct drm_file *file_priv = data; 719235783Skib struct drm_device *dev = file_priv->dev; 720235783Skib int retcode = 0; 721235783Skib 722235783Skib DRM_DEBUG("open_count = %d\n", dev->open_count); 723235783Skib 724235783Skib DRM_LOCK(dev); 725235783Skib 726235783Skib if (dev->driver->preclose != NULL) 727235783Skib dev->driver->preclose(dev, file_priv); 728235783Skib 729235783Skib /* ======================================================== 730235783Skib * Begin inline drm_release 731235783Skib */ 732235783Skib 733235783Skib DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", 734235783Skib DRM_CURRENTPID, (long)dev->device, dev->open_count); 735235783Skib 736235783Skib if (dev->driver->driver_features & DRIVER_GEM) 737235783Skib drm_gem_release(dev, file_priv); 738235783Skib 739235783Skib if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) 740235783Skib && dev->lock.file_priv == file_priv) { 741235783Skib DRM_DEBUG("Process %d dead, freeing lock for context %d\n", 742235783Skib DRM_CURRENTPID, 743235783Skib _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 744235783Skib if (dev->driver->reclaim_buffers_locked != NULL) 745235783Skib dev->driver->reclaim_buffers_locked(dev, file_priv); 746235783Skib 747235783Skib drm_lock_free(&dev->lock, 748235783Skib _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 749235783Skib 750235783Skib /* FIXME: may require heavy-handed reset of 751235783Skib hardware at this point, possibly 752235783Skib processed via a callback to the X 753235783Skib server. */ 754235783Skib } else if (dev->driver->reclaim_buffers_locked != NULL && 755235783Skib dev->lock.hw_lock != NULL) { 756235783Skib /* The lock is required to reclaim buffers */ 757235783Skib for (;;) { 758235783Skib if (!dev->lock.hw_lock) { 759235783Skib /* Device has been unregistered */ 760235783Skib retcode = EINTR; 761235783Skib break; 762235783Skib } 763235783Skib if (drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT)) { 764235783Skib dev->lock.file_priv = file_priv; 765235783Skib dev->lock.lock_time = jiffies; 766235783Skib atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 767235783Skib break; /* Got lock */ 768235783Skib } 769235783Skib /* Contention */ 770235783Skib retcode = DRM_LOCK_SLEEP(dev, &dev->lock.lock_queue, 771235783Skib PCATCH, "drmlk2", 0); 772235783Skib if (retcode) 773235783Skib break; 774235783Skib } 775235783Skib if (retcode == 0) { 776235783Skib dev->driver->reclaim_buffers_locked(dev, file_priv); 777235783Skib drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT); 778235783Skib } 779235783Skib } 780235783Skib 781235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && 782235783Skib !dev->driver->reclaim_buffers_locked) 783235783Skib drm_reclaim_buffers(dev, file_priv); 784235783Skib 785235783Skib funsetown(&dev->buf_sigio); 786235783Skib seldrain(&file_priv->event_poll); 787235783Skib 788235783Skib if (dev->driver->postclose != NULL) 789235783Skib dev->driver->postclose(dev, file_priv); 790235783Skib TAILQ_REMOVE(&dev->files, file_priv, link); 791235783Skib free(file_priv, DRM_MEM_FILES); 792235783Skib 793235783Skib /* ======================================================== 794235783Skib * End inline drm_release 795235783Skib */ 796235783Skib 797235783Skib atomic_inc(&dev->counts[_DRM_STAT_CLOSES]); 798235783Skib mtx_lock(&Giant); 799235783Skib device_unbusy(dev->device); 800235783Skib mtx_unlock(&Giant); 801235783Skib if (--dev->open_count == 0) { 802235783Skib retcode = drm_lastclose(dev); 803235783Skib } 804235783Skib 805235783Skib DRM_UNLOCK(dev); 806235783Skib} 807235783Skib 808239375Skibextern drm_ioctl_desc_t drm_compat_ioctls[]; 809239375Skib 810235783Skib/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. 811235783Skib */ 812235783Skibint drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags, 813235783Skib DRM_STRUCTPROC *p) 814235783Skib{ 815235783Skib struct drm_device *dev = drm_get_device_from_kdev(kdev); 816235783Skib int retcode = 0; 817235783Skib drm_ioctl_desc_t *ioctl; 818235783Skib int (*func)(struct drm_device *dev, void *data, struct drm_file *file_priv); 819235783Skib int nr = DRM_IOCTL_NR(cmd); 820235783Skib int is_driver_ioctl = 0; 821235783Skib struct drm_file *file_priv; 822235783Skib 823235783Skib retcode = devfs_get_cdevpriv((void **)&file_priv); 824235783Skib if (retcode != 0) { 825235783Skib DRM_ERROR("can't find authenticator\n"); 826235783Skib return EINVAL; 827235783Skib } 828235783Skib 829235783Skib atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); 830235783Skib ++file_priv->ioctl_count; 831235783Skib 832235783Skib DRM_DEBUG("pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", 833235783Skib DRM_CURRENTPID, cmd, nr, (long)dev->device, 834235783Skib file_priv->authenticated); 835235783Skib 836235783Skib switch (cmd) { 837235783Skib case FIONBIO: 838235783Skib case FIOASYNC: 839235783Skib return 0; 840235783Skib 841235783Skib case FIOSETOWN: 842235783Skib return fsetown(*(int *)data, &dev->buf_sigio); 843235783Skib 844235783Skib case FIOGETOWN: 845235783Skib *(int *) data = fgetown(&dev->buf_sigio); 846235783Skib return 0; 847235783Skib } 848235783Skib 849235783Skib if (IOCGROUP(cmd) != DRM_IOCTL_BASE) { 850235783Skib DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd)); 851235783Skib return EINVAL; 852235783Skib } 853235783Skib 854239375Skib#ifdef COMPAT_FREEBSD32 855239375Skib /* 856239375Skib * Called whenever a 32-bit process running under a 64-bit 857239375Skib * kernel performs an ioctl on /dev/drm. 858239375Skib */ 859239375Skib if (SV_CURPROC_FLAG(SV_ILP32) && drm_compat_ioctls[nr].func != NULL) 860239375Skib /* 861239375Skib * Assume that ioctls without an explicit compat 862239375Skib * routine will just work. This may not always be a 863239375Skib * good assumption, but it's better than always 864239375Skib * failing. 865239375Skib */ 866239375Skib ioctl = &drm_compat_ioctls[nr]; 867239375Skib else 868239375Skib#endif 869239375Skib ioctl = &drm_ioctls[nr]; 870235783Skib /* It's not a core DRM ioctl, try driver-specific. */ 871235783Skib if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) { 872235783Skib /* The array entries begin at DRM_COMMAND_BASE ioctl nr */ 873235783Skib nr -= DRM_COMMAND_BASE; 874235783Skib if (nr > dev->driver->max_ioctl) { 875235783Skib DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n", 876235783Skib nr, dev->driver->max_ioctl); 877235783Skib return EINVAL; 878235783Skib } 879239375Skib#ifdef COMPAT_FREEBSD32 880239375Skib if (SV_CURPROC_FLAG(SV_ILP32) && 881239375Skib nr < *dev->driver->compat_ioctls_nr && 882239375Skib dev->driver->compat_ioctls[nr].func != NULL) 883239375Skib ioctl = &dev->driver->compat_ioctls[nr]; 884239375Skib else 885239375Skib#endif 886239375Skib ioctl = &dev->driver->ioctls[nr]; 887235783Skib is_driver_ioctl = 1; 888235783Skib } 889235783Skib func = ioctl->func; 890235783Skib 891235783Skib if (func == NULL) { 892235783Skib DRM_DEBUG("no function\n"); 893235783Skib return EINVAL; 894235783Skib } 895235783Skib 896235783Skib if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) || 897235783Skib ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || 898235783Skib ((ioctl->flags & DRM_MASTER) && !file_priv->master)) 899235783Skib return EACCES; 900235783Skib 901235783Skib if (is_driver_ioctl) { 902235783Skib if ((ioctl->flags & DRM_UNLOCKED) == 0) 903235783Skib DRM_LOCK(dev); 904235783Skib /* shared code returns -errno */ 905235783Skib retcode = -func(dev, data, file_priv); 906235783Skib if ((ioctl->flags & DRM_UNLOCKED) == 0) 907235783Skib DRM_UNLOCK(dev); 908235783Skib } else { 909235783Skib retcode = func(dev, data, file_priv); 910235783Skib } 911235783Skib 912235783Skib if (retcode != 0) 913235783Skib DRM_DEBUG(" returning %d\n", retcode); 914235783Skib if (retcode != 0 && 915235783Skib (drm_debug_flag & DRM_DEBUGBITS_FAILED_IOCTL) != 0) { 916235783Skib printf( 917235783Skib"pid %d, cmd 0x%02lx, nr 0x%02x/%1d, dev 0x%lx, auth %d, res %d\n", 918235783Skib DRM_CURRENTPID, cmd, nr, is_driver_ioctl, (long)dev->device, 919235783Skib file_priv->authenticated, retcode); 920235783Skib } 921235783Skib 922235783Skib return retcode; 923235783Skib} 924235783Skib 925235783Skibdrm_local_map_t *drm_getsarea(struct drm_device *dev) 926235783Skib{ 927235783Skib drm_local_map_t *map; 928235783Skib 929235783Skib DRM_LOCK_ASSERT(dev); 930235783Skib TAILQ_FOREACH(map, &dev->maplist, link) { 931235783Skib if (map->type == _DRM_SHM && (map->flags & _DRM_CONTAINS_LOCK)) 932235783Skib return map; 933235783Skib } 934235783Skib 935235783Skib return NULL; 936235783Skib} 937235783Skib 938235783Skibint 939235783Skibdrm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx, 940235783Skib struct sysctl_oid *top) 941235783Skib{ 942235783Skib struct sysctl_oid *oid; 943235783Skib 944235783Skib snprintf(dev->busid_str, sizeof(dev->busid_str), 945235783Skib "pci:%04x:%02x:%02x.%d", dev->pci_domain, dev->pci_bus, 946235783Skib dev->pci_slot, dev->pci_func); 947235783Skib oid = SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(top), OID_AUTO, "busid", 948235783Skib CTLFLAG_RD, dev->busid_str, 0, NULL); 949235783Skib if (oid == NULL) 950235783Skib return (ENOMEM); 951235783Skib dev->modesetting = (dev->driver->driver_features & DRIVER_MODESET) != 0; 952235783Skib oid = SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(top), OID_AUTO, 953235783Skib "modesetting", CTLFLAG_RD, &dev->modesetting, 0, NULL); 954235783Skib if (oid == NULL) 955235783Skib return (ENOMEM); 956235783Skib 957235783Skib return (0); 958235783Skib} 959235783Skib 960247835Skibstatic int 961247835Skibdrm_mmap_single(struct cdev *kdev, vm_ooffset_t *offset, vm_size_t size, 962247835Skib struct vm_object **obj_res, int nprot) 963247835Skib{ 964247835Skib struct drm_device *dev; 965247835Skib 966247835Skib dev = drm_get_device_from_kdev(kdev); 967247835Skib if ((dev->driver->driver_features & DRIVER_GEM) != 0) { 968247835Skib return (drm_gem_mmap_single(dev, offset, size, obj_res, nprot)); 969247835Skib } else if (dev->drm_ttm_bo != NULL) { 970247835Skib return (ttm_bo_mmap_single(dev->drm_ttm_bo, offset, size, 971247835Skib obj_res, nprot)); 972247835Skib } else { 973247835Skib return (ENODEV); 974247835Skib } 975247835Skib} 976247835Skib 977235783Skib#if DRM_LINUX 978235783Skib 979235783Skib#include <sys/sysproto.h> 980235783Skib 981235783SkibMODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1); 982235783Skib 983235783Skib#define LINUX_IOCTL_DRM_MIN 0x6400 984235783Skib#define LINUX_IOCTL_DRM_MAX 0x64ff 985235783Skib 986235783Skibstatic linux_ioctl_function_t drm_linux_ioctl; 987235783Skibstatic struct linux_ioctl_handler drm_handler = {drm_linux_ioctl, 988235783Skib LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX}; 989235783Skib 990235783SkibSYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE, 991235783Skib linux_ioctl_register_handler, &drm_handler); 992235783SkibSYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, 993235783Skib linux_ioctl_unregister_handler, &drm_handler); 994235783Skib 995235783Skib/* The bits for in/out are switched on Linux */ 996235783Skib#define LINUX_IOC_IN IOC_OUT 997235783Skib#define LINUX_IOC_OUT IOC_IN 998235783Skib 999235783Skibstatic int 1000235783Skibdrm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args) 1001235783Skib{ 1002235783Skib int error; 1003235783Skib int cmd = args->cmd; 1004235783Skib 1005235783Skib args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); 1006235783Skib if (cmd & LINUX_IOC_IN) 1007235783Skib args->cmd |= IOC_IN; 1008235783Skib if (cmd & LINUX_IOC_OUT) 1009235783Skib args->cmd |= IOC_OUT; 1010235783Skib 1011235783Skib error = ioctl(p, (struct ioctl_args *)args); 1012235783Skib 1013235783Skib return error; 1014235783Skib} 1015235783Skib#endif /* DRM_LINUX */ 1016235783Skib 1017235783Skibbool 1018235783Skibdmi_check_system(const struct dmi_system_id *sysid) 1019235783Skib{ 1020235783Skib 1021235783Skib /* XXXKIB */ 1022235783Skib return (false); 1023235783Skib} 1024235783Skib 1025