drm_drv.c revision 241394
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 241394 2012-10-10 08:36:38Z kevlo $"); 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 47235783Skibint drm_debug_flag = 1; 48235783Skib#else 49235783Skibint drm_debug_flag = 2; 50235783Skib#endif 51235783Skibint drm_notyet_flag = 0; 52235783Skib 53235783Skibunsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ 54235783Skibunsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ 55235783Skib 56235783Skibstatic int drm_load(struct drm_device *dev); 57235783Skibstatic void drm_unload(struct drm_device *dev); 58235783Skibstatic drm_pci_id_list_t *drm_find_description(int vendor, int device, 59235783Skib drm_pci_id_list_t *idlist); 60235783Skib 61235783Skibstatic int 62235783Skibdrm_modevent(module_t mod, int type, void *data) 63235783Skib{ 64235783Skib 65235783Skib switch (type) { 66235783Skib case MOD_LOAD: 67235783Skib TUNABLE_INT_FETCH("drm.debug", &drm_debug_flag); 68235783Skib TUNABLE_INT_FETCH("drm.notyet", &drm_notyet_flag); 69235783Skib break; 70235783Skib } 71235783Skib return (0); 72235783Skib} 73235783Skib 74235783Skibstatic moduledata_t drm_mod = { 75235783Skib "drmn", 76235783Skib drm_modevent, 77241394Skevlo 0 78235783Skib}; 79235783SkibDECLARE_MODULE(drmn, drm_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST); 80235783SkibMODULE_VERSION(drmn, 1); 81235783SkibMODULE_DEPEND(drmn, agp, 1, 1, 1); 82235783SkibMODULE_DEPEND(drmn, pci, 1, 1, 1); 83235783SkibMODULE_DEPEND(drmn, mem, 1, 1, 1); 84235783SkibMODULE_DEPEND(drmn, iicbus, 1, 1, 1); 85235783Skib 86235783Skibstatic drm_ioctl_desc_t drm_ioctls[256] = { 87235783Skib DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, 0), 88235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0), 89235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0), 90235783Skib DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY), 91235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, 0), 92235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, 0), 93235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, 0), 94235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, DRM_UNLOCKED), 95235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER|DRM_ROOT_ONLY), 96235783Skib 97235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 98235783Skib DRM_IOCTL_DEF(DRM_IOCTL_BLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 99235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UNBLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 100235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AUTH_MAGIC, drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 101235783Skib 102235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_MAP, drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 103235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_MAP, drm_rmmap_ioctl, DRM_AUTH), 104235783Skib 105235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 106235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH), 107235783Skib 108235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY), 109235783Skib DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY), 110235783Skib 111235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY), 112235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 113235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 114235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GET_CTX, drm_getctx, DRM_AUTH), 115235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SWITCH_CTX, drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 116235783Skib DRM_IOCTL_DEF(DRM_IOCTL_NEW_CTX, drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 117235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RES_CTX, drm_resctx, DRM_AUTH), 118235783Skib 119235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_DRAW, drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 120235783Skib DRM_IOCTL_DEF(DRM_IOCTL_RM_DRAW, drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 121235783Skib 122235783Skib DRM_IOCTL_DEF(DRM_IOCTL_LOCK, drm_lock, DRM_AUTH), 123235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UNLOCK, drm_unlock, DRM_AUTH), 124235783Skib 125235783Skib DRM_IOCTL_DEF(DRM_IOCTL_FINISH, drm_noop, DRM_AUTH), 126235783Skib 127235783Skib DRM_IOCTL_DEF(DRM_IOCTL_ADD_BUFS, drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 128235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MARK_BUFS, drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 129235783Skib DRM_IOCTL_DEF(DRM_IOCTL_INFO_BUFS, drm_infobufs, DRM_AUTH), 130235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MAP_BUFS, drm_mapbufs, DRM_AUTH), 131235783Skib DRM_IOCTL_DEF(DRM_IOCTL_FREE_BUFS, drm_freebufs, DRM_AUTH), 132235783Skib DRM_IOCTL_DEF(DRM_IOCTL_DMA, drm_dma, DRM_AUTH), 133235783Skib 134235783Skib DRM_IOCTL_DEF(DRM_IOCTL_CONTROL, drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 135235783Skib 136235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ACQUIRE, drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 137235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_RELEASE, drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 138235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ENABLE, drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 139235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_INFO, drm_agp_info_ioctl, DRM_AUTH), 140235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_ALLOC, drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 141235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_FREE, drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 142235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_BIND, drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 143235783Skib DRM_IOCTL_DEF(DRM_IOCTL_AGP_UNBIND, drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 144235783Skib 145235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SG_ALLOC, drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 146235783Skib DRM_IOCTL_DEF(DRM_IOCTL_SG_FREE, drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 147235783Skib DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, DRM_UNLOCKED), 148235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0), 149235783Skib DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_draw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 150235783Skib 151235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED), 152235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH|DRM_UNLOCKED), 153235783Skib DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED), 154235783Skib 155235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 156235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANERESOURCES, drm_mode_getplane_res, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 157235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 158235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 159235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPLANE, drm_mode_getplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 160235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPLANE, drm_mode_setplane, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 161235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 162235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER|DRM_UNLOCKED), 163235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER|DRM_UNLOCKED), 164235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 165235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 166235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 167235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 168235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW|DRM_UNLOCKED), 169235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 170235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 171235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 172235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 173235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB2, drm_mode_addfb2, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 174235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 175235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 176235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 177235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 178235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 179235783Skib DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), 180235783Skib}; 181235783Skib 182235783Skibstatic struct cdevsw drm_cdevsw = { 183235783Skib .d_version = D_VERSION, 184235783Skib .d_open = drm_open, 185235783Skib .d_read = drm_read, 186235783Skib .d_ioctl = drm_ioctl, 187235783Skib .d_poll = drm_poll, 188235783Skib .d_mmap = drm_mmap, 189235783Skib .d_mmap_single = drm_gem_mmap_single, 190235783Skib .d_name = "drm", 191235783Skib .d_flags = D_TRACKCLOSE 192235783Skib}; 193235783Skib 194235783Skibstatic int drm_msi = 1; /* Enable by default. */ 195235783SkibTUNABLE_INT("hw.drm.msi", &drm_msi); 196235783SkibSYSCTL_NODE(_hw, OID_AUTO, drm, CTLFLAG_RW, NULL, "DRM device"); 197235783SkibSYSCTL_INT(_hw_drm, OID_AUTO, msi, CTLFLAG_RDTUN, &drm_msi, 1, 198235783Skib "Enable MSI interrupts for drm devices"); 199235783Skib 200235783Skibstatic struct drm_msi_blacklist_entry drm_msi_blacklist[] = { 201235783Skib {0x8086, 0x2772}, /* Intel i945G */ \ 202235783Skib {0x8086, 0x27A2}, /* Intel i945GM */ \ 203235783Skib {0x8086, 0x27AE}, /* Intel i945GME */ \ 204235783Skib {0, 0} 205235783Skib}; 206235783Skib 207235783Skibstatic int drm_msi_is_blacklisted(int vendor, int device) 208235783Skib{ 209235783Skib int i = 0; 210235783Skib 211235783Skib for (i = 0; drm_msi_blacklist[i].vendor != 0; i++) { 212235783Skib if ((drm_msi_blacklist[i].vendor == vendor) && 213235783Skib (drm_msi_blacklist[i].device == device)) { 214235783Skib return 1; 215235783Skib } 216235783Skib } 217235783Skib 218235783Skib return 0; 219235783Skib} 220235783Skib 221235783Skibint drm_probe(device_t kdev, drm_pci_id_list_t *idlist) 222235783Skib{ 223235783Skib drm_pci_id_list_t *id_entry; 224235783Skib int vendor, device; 225235783Skib 226235783Skib vendor = pci_get_vendor(kdev); 227235783Skib device = pci_get_device(kdev); 228235783Skib 229235783Skib if (pci_get_class(kdev) != PCIC_DISPLAY 230235783Skib || pci_get_subclass(kdev) != PCIS_DISPLAY_VGA) 231235783Skib return ENXIO; 232235783Skib 233235783Skib id_entry = drm_find_description(vendor, device, idlist); 234235783Skib if (id_entry != NULL) { 235235783Skib if (!device_get_desc(kdev)) { 236235783Skib DRM_DEBUG("desc : %s\n", device_get_desc(kdev)); 237235783Skib device_set_desc(kdev, id_entry->name); 238235783Skib } 239235783Skib return 0; 240235783Skib } 241235783Skib 242235783Skib return ENXIO; 243235783Skib} 244235783Skib 245235783Skibint drm_attach(device_t kdev, drm_pci_id_list_t *idlist) 246235783Skib{ 247235783Skib struct drm_device *dev; 248235783Skib drm_pci_id_list_t *id_entry; 249235783Skib int error, msicount; 250235783Skib 251235783Skib dev = device_get_softc(kdev); 252235783Skib 253235783Skib dev->device = kdev; 254235783Skib 255235783Skib dev->pci_domain = pci_get_domain(dev->device); 256235783Skib dev->pci_bus = pci_get_bus(dev->device); 257235783Skib dev->pci_slot = pci_get_slot(dev->device); 258235783Skib dev->pci_func = pci_get_function(dev->device); 259235783Skib 260235783Skib dev->pci_vendor = pci_get_vendor(dev->device); 261235783Skib dev->pci_device = pci_get_device(dev->device); 262235783Skib 263235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) { 264235783Skib if (drm_msi && 265235783Skib !drm_msi_is_blacklisted(dev->pci_vendor, dev->pci_device)) { 266235783Skib msicount = pci_msi_count(dev->device); 267235783Skib DRM_DEBUG("MSI count = %d\n", msicount); 268235783Skib if (msicount > 1) 269235783Skib msicount = 1; 270235783Skib 271235783Skib if (pci_alloc_msi(dev->device, &msicount) == 0) { 272235783Skib DRM_INFO("MSI enabled %d message(s)\n", 273235783Skib msicount); 274235783Skib dev->msi_enabled = 1; 275235783Skib dev->irqrid = 1; 276235783Skib } 277235783Skib } 278235783Skib 279235783Skib dev->irqr = bus_alloc_resource_any(dev->device, SYS_RES_IRQ, 280235783Skib &dev->irqrid, RF_SHAREABLE); 281235783Skib if (!dev->irqr) { 282235783Skib return (ENOENT); 283235783Skib } 284235783Skib 285235783Skib dev->irq = (int) rman_get_start(dev->irqr); 286235783Skib } 287235783Skib 288235783Skib mtx_init(&dev->dev_lock, "drmdev", NULL, MTX_DEF); 289235783Skib mtx_init(&dev->irq_lock, "drmirq", NULL, MTX_DEF); 290235783Skib mtx_init(&dev->vbl_lock, "drmvbl", NULL, MTX_DEF); 291235783Skib mtx_init(&dev->drw_lock, "drmdrw", NULL, MTX_DEF); 292235783Skib mtx_init(&dev->event_lock, "drmev", NULL, MTX_DEF); 293235783Skib sx_init(&dev->dev_struct_lock, "drmslk"); 294235783Skib 295235783Skib id_entry = drm_find_description(dev->pci_vendor, 296235783Skib dev->pci_device, idlist); 297235783Skib dev->id_entry = id_entry; 298235783Skib 299235783Skib error = drm_load(dev); 300235783Skib if (error == 0) 301235783Skib error = drm_create_cdevs(kdev); 302235783Skib return (error); 303235783Skib} 304235783Skib 305235783Skibint 306235783Skibdrm_create_cdevs(device_t kdev) 307235783Skib{ 308235783Skib struct drm_device *dev; 309235783Skib int error, unit; 310235783Skib 311235783Skib unit = device_get_unit(kdev); 312235783Skib dev = device_get_softc(kdev); 313235783Skib 314235783Skib error = make_dev_p(MAKEDEV_WAITOK | MAKEDEV_CHECKNAME, &dev->devnode, 315235783Skib &drm_cdevsw, 0, DRM_DEV_UID, DRM_DEV_GID, 316235783Skib DRM_DEV_MODE, "dri/card%d", unit); 317235783Skib if (error == 0) 318235783Skib dev->devnode->si_drv1 = dev; 319235783Skib return (error); 320235783Skib} 321235783Skib 322235783Skibint drm_detach(device_t kdev) 323235783Skib{ 324235783Skib struct drm_device *dev; 325235783Skib 326235783Skib dev = device_get_softc(kdev); 327235783Skib drm_unload(dev); 328235783Skib if (dev->irqr) { 329235783Skib bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid, 330235783Skib dev->irqr); 331235783Skib if (dev->msi_enabled) { 332235783Skib pci_release_msi(dev->device); 333235783Skib DRM_INFO("MSI released\n"); 334235783Skib } 335235783Skib } 336235783Skib return (0); 337235783Skib} 338235783Skib 339235783Skib#ifndef DRM_DEV_NAME 340235783Skib#define DRM_DEV_NAME "drm" 341235783Skib#endif 342235783Skib 343235783Skibdevclass_t drm_devclass; 344235783Skib 345235783Skibdrm_pci_id_list_t *drm_find_description(int vendor, int device, 346235783Skib drm_pci_id_list_t *idlist) 347235783Skib{ 348235783Skib int i = 0; 349235783Skib 350235783Skib for (i = 0; idlist[i].vendor != 0; i++) { 351235783Skib if ((idlist[i].vendor == vendor) && 352235783Skib ((idlist[i].device == device) || 353235783Skib (idlist[i].device == 0))) { 354235783Skib return &idlist[i]; 355235783Skib } 356235783Skib } 357235783Skib return NULL; 358235783Skib} 359235783Skib 360235783Skibstatic int drm_firstopen(struct drm_device *dev) 361235783Skib{ 362235783Skib drm_local_map_t *map; 363235783Skib int i; 364235783Skib 365235783Skib DRM_LOCK_ASSERT(dev); 366235783Skib 367235783Skib /* prebuild the SAREA */ 368235783Skib i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, 369235783Skib _DRM_CONTAINS_LOCK, &map); 370235783Skib if (i != 0) 371235783Skib return i; 372235783Skib 373235783Skib if (dev->driver->firstopen) 374235783Skib dev->driver->firstopen(dev); 375235783Skib 376235783Skib dev->buf_use = 0; 377235783Skib 378235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) { 379235783Skib i = drm_dma_setup(dev); 380235783Skib if (i != 0) 381235783Skib return i; 382235783Skib } 383235783Skib 384235783Skib for (i = 0; i < DRM_HASH_SIZE; i++) { 385235783Skib dev->magiclist[i].head = NULL; 386235783Skib dev->magiclist[i].tail = NULL; 387235783Skib } 388235783Skib 389235783Skib dev->lock.lock_queue = 0; 390235783Skib if (!drm_core_check_feature(dev, DRIVER_MODESET)) 391235783Skib dev->irq_enabled = 0; 392235783Skib dev->context_flag = 0; 393235783Skib dev->last_context = 0; 394235783Skib dev->if_version = 0; 395235783Skib 396235783Skib dev->buf_sigio = NULL; 397235783Skib 398235783Skib DRM_DEBUG("\n"); 399235783Skib 400235783Skib return 0; 401235783Skib} 402235783Skib 403235783Skibstatic int drm_lastclose(struct drm_device *dev) 404235783Skib{ 405235783Skib drm_magic_entry_t *pt, *next; 406235783Skib drm_local_map_t *map, *mapsave; 407235783Skib int i; 408235783Skib 409235783Skib DRM_LOCK_ASSERT(dev); 410235783Skib 411235783Skib DRM_DEBUG("\n"); 412235783Skib 413235783Skib if (dev->driver->lastclose != NULL) 414235783Skib dev->driver->lastclose(dev); 415235783Skib 416235783Skib if (!drm_core_check_feature(dev, DRIVER_MODESET) && dev->irq_enabled) 417235783Skib drm_irq_uninstall(dev); 418235783Skib 419235783Skib if (dev->unique) { 420235783Skib free(dev->unique, DRM_MEM_DRIVER); 421235783Skib dev->unique = NULL; 422235783Skib dev->unique_len = 0; 423235783Skib } 424235783Skib /* Clear pid list */ 425235783Skib for (i = 0; i < DRM_HASH_SIZE; i++) { 426235783Skib for (pt = dev->magiclist[i].head; pt; pt = next) { 427235783Skib next = pt->next; 428235783Skib free(pt, DRM_MEM_MAGIC); 429235783Skib } 430235783Skib dev->magiclist[i].head = dev->magiclist[i].tail = NULL; 431235783Skib } 432235783Skib 433235783Skib DRM_UNLOCK(dev); 434235783Skib drm_drawable_free_all(dev); 435235783Skib DRM_LOCK(dev); 436235783Skib 437235783Skib /* Clear AGP information */ 438235783Skib if (dev->agp) { 439235783Skib drm_agp_mem_t *entry; 440235783Skib drm_agp_mem_t *nexte; 441235783Skib 442235783Skib /* Remove AGP resources, but leave dev->agp intact until 443235783Skib * drm_unload is called. 444235783Skib */ 445235783Skib for (entry = dev->agp->memory; entry; entry = nexte) { 446235783Skib nexte = entry->next; 447235783Skib if (entry->bound) 448235783Skib drm_agp_unbind_memory(entry->handle); 449235783Skib drm_agp_free_memory(entry->handle); 450235783Skib free(entry, DRM_MEM_AGPLISTS); 451235783Skib } 452235783Skib dev->agp->memory = NULL; 453235783Skib 454235783Skib if (dev->agp->acquired) 455235783Skib drm_agp_release(dev); 456235783Skib 457235783Skib dev->agp->acquired = 0; 458235783Skib dev->agp->enabled = 0; 459235783Skib } 460235783Skib if (dev->sg != NULL) { 461235783Skib drm_sg_cleanup(dev->sg); 462235783Skib dev->sg = NULL; 463235783Skib } 464235783Skib 465235783Skib TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) { 466235783Skib if (!(map->flags & _DRM_DRIVER)) 467235783Skib drm_rmmap(dev, map); 468235783Skib } 469235783Skib 470235783Skib drm_dma_takedown(dev); 471235783Skib if (dev->lock.hw_lock) { 472235783Skib dev->lock.hw_lock = NULL; /* SHM removed */ 473235783Skib dev->lock.file_priv = NULL; 474235783Skib DRM_WAKEUP_INT((void *)&dev->lock.lock_queue); 475235783Skib } 476235783Skib 477235783Skib return 0; 478235783Skib} 479235783Skib 480235783Skibstatic int drm_load(struct drm_device *dev) 481235783Skib{ 482235783Skib int i, retcode; 483235783Skib 484235783Skib DRM_DEBUG("\n"); 485235783Skib 486235783Skib TAILQ_INIT(&dev->maplist); 487235783Skib dev->map_unrhdr = new_unrhdr(1, ((1 << DRM_MAP_HANDLE_BITS) - 1), NULL); 488235783Skib if (dev->map_unrhdr == NULL) { 489235783Skib DRM_ERROR("Couldn't allocate map number allocator\n"); 490235783Skib return EINVAL; 491235783Skib } 492235783Skib 493235783Skib 494235783Skib drm_mem_init(); 495235783Skib drm_sysctl_init(dev); 496235783Skib TAILQ_INIT(&dev->files); 497235783Skib 498235783Skib dev->counters = 6; 499235783Skib dev->types[0] = _DRM_STAT_LOCK; 500235783Skib dev->types[1] = _DRM_STAT_OPENS; 501235783Skib dev->types[2] = _DRM_STAT_CLOSES; 502235783Skib dev->types[3] = _DRM_STAT_IOCTLS; 503235783Skib dev->types[4] = _DRM_STAT_LOCKS; 504235783Skib dev->types[5] = _DRM_STAT_UNLOCKS; 505235783Skib 506235783Skib for (i = 0; i < DRM_ARRAY_SIZE(dev->counts); i++) 507235783Skib atomic_set(&dev->counts[i], 0); 508235783Skib 509235783Skib INIT_LIST_HEAD(&dev->vblank_event_list); 510235783Skib 511235783Skib if (drm_core_has_AGP(dev)) { 512235783Skib if (drm_device_is_agp(dev)) 513235783Skib dev->agp = drm_agp_init(); 514235783Skib if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && 515235783Skib dev->agp == NULL) { 516235783Skib DRM_ERROR("Card isn't AGP, or couldn't initialize " 517235783Skib "AGP.\n"); 518235783Skib retcode = ENOMEM; 519235783Skib goto error; 520235783Skib } 521235783Skib if (dev->agp != NULL && dev->agp->info.ai_aperture_base != 0) { 522235783Skib if (drm_mtrr_add(dev->agp->info.ai_aperture_base, 523235783Skib dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0) 524235783Skib dev->agp->mtrr = 1; 525235783Skib } 526235783Skib } 527235783Skib 528235783Skib retcode = drm_ctxbitmap_init(dev); 529235783Skib if (retcode != 0) { 530235783Skib DRM_ERROR("Cannot allocate memory for context bitmap.\n"); 531235783Skib goto error; 532235783Skib } 533235783Skib 534235783Skib dev->drw_unrhdr = new_unrhdr(1, INT_MAX, NULL); 535235783Skib if (dev->drw_unrhdr == NULL) { 536235783Skib DRM_ERROR("Couldn't allocate drawable number allocator\n"); 537235783Skib retcode = ENOMEM; 538235783Skib goto error; 539235783Skib } 540235783Skib 541235783Skib if (dev->driver->driver_features & DRIVER_GEM) { 542235783Skib retcode = drm_gem_init(dev); 543235783Skib if (retcode != 0) { 544235783Skib DRM_ERROR("Cannot initialize graphics execution " 545235783Skib "manager (GEM)\n"); 546235783Skib goto error1; 547235783Skib } 548235783Skib } 549235783Skib 550235783Skib if (dev->driver->load != NULL) { 551235783Skib DRM_LOCK(dev); 552235783Skib /* Shared code returns -errno. */ 553235783Skib retcode = -dev->driver->load(dev, 554235783Skib dev->id_entry->driver_private); 555235783Skib if (pci_enable_busmaster(dev->device)) 556235783Skib DRM_ERROR("Request to enable bus-master failed.\n"); 557235783Skib DRM_UNLOCK(dev); 558235783Skib if (retcode != 0) 559235783Skib goto error; 560235783Skib } 561235783Skib 562235783Skib DRM_INFO("Initialized %s %d.%d.%d %s\n", 563235783Skib dev->driver->name, 564235783Skib dev->driver->major, 565235783Skib dev->driver->minor, 566235783Skib dev->driver->patchlevel, 567235783Skib dev->driver->date); 568235783Skib 569235783Skib return 0; 570235783Skib 571235783Skiberror1: 572235783Skib delete_unrhdr(dev->drw_unrhdr); 573235783Skiberror: 574235783Skib drm_sysctl_cleanup(dev); 575235783Skib DRM_LOCK(dev); 576235783Skib drm_lastclose(dev); 577235783Skib DRM_UNLOCK(dev); 578235783Skib if (dev->devnode != NULL) 579235783Skib destroy_dev(dev->devnode); 580235783Skib 581235783Skib mtx_destroy(&dev->drw_lock); 582235783Skib mtx_destroy(&dev->vbl_lock); 583235783Skib mtx_destroy(&dev->irq_lock); 584235783Skib mtx_destroy(&dev->dev_lock); 585235783Skib mtx_destroy(&dev->event_lock); 586235783Skib sx_destroy(&dev->dev_struct_lock); 587235783Skib 588235783Skib return retcode; 589235783Skib} 590235783Skib 591235783Skibstatic void drm_unload(struct drm_device *dev) 592235783Skib{ 593235783Skib int i; 594235783Skib 595235783Skib DRM_DEBUG("\n"); 596235783Skib 597235783Skib drm_sysctl_cleanup(dev); 598235783Skib if (dev->devnode != NULL) 599235783Skib destroy_dev(dev->devnode); 600235783Skib 601235783Skib drm_ctxbitmap_cleanup(dev); 602235783Skib 603235783Skib if (dev->driver->driver_features & DRIVER_GEM) 604235783Skib drm_gem_destroy(dev); 605235783Skib 606235783Skib if (dev->agp && dev->agp->mtrr) { 607235783Skib int __unused retcode; 608235783Skib 609235783Skib retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base, 610235783Skib dev->agp->info.ai_aperture_size, DRM_MTRR_WC); 611235783Skib DRM_DEBUG("mtrr_del = %d", retcode); 612235783Skib } 613235783Skib 614235783Skib drm_vblank_cleanup(dev); 615235783Skib 616235783Skib DRM_LOCK(dev); 617235783Skib drm_lastclose(dev); 618235783Skib DRM_UNLOCK(dev); 619235783Skib 620235783Skib /* Clean up PCI resources allocated by drm_bufs.c. We're not really 621235783Skib * worried about resource consumption while the DRM is inactive (between 622235783Skib * lastclose and firstopen or unload) because these aren't actually 623235783Skib * taking up KVA, just keeping the PCI resource allocated. 624235783Skib */ 625235783Skib for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) { 626235783Skib if (dev->pcir[i] == NULL) 627235783Skib continue; 628235783Skib bus_release_resource(dev->device, SYS_RES_MEMORY, 629235783Skib dev->pcirid[i], dev->pcir[i]); 630235783Skib dev->pcir[i] = NULL; 631235783Skib } 632235783Skib 633235783Skib if (dev->agp) { 634235783Skib free(dev->agp, DRM_MEM_AGPLISTS); 635235783Skib dev->agp = NULL; 636235783Skib } 637235783Skib 638235783Skib if (dev->driver->unload != NULL) { 639235783Skib DRM_LOCK(dev); 640235783Skib dev->driver->unload(dev); 641235783Skib DRM_UNLOCK(dev); 642235783Skib } 643235783Skib 644235783Skib delete_unrhdr(dev->drw_unrhdr); 645235783Skib delete_unrhdr(dev->map_unrhdr); 646235783Skib 647235783Skib drm_mem_uninit(); 648235783Skib 649235783Skib if (pci_disable_busmaster(dev->device)) 650235783Skib DRM_ERROR("Request to disable bus-master failed.\n"); 651235783Skib 652235783Skib mtx_destroy(&dev->drw_lock); 653235783Skib mtx_destroy(&dev->vbl_lock); 654235783Skib mtx_destroy(&dev->irq_lock); 655235783Skib mtx_destroy(&dev->dev_lock); 656235783Skib mtx_destroy(&dev->event_lock); 657235783Skib sx_destroy(&dev->dev_struct_lock); 658235783Skib} 659235783Skib 660235783Skibint drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv) 661235783Skib{ 662235783Skib struct drm_version *version = data; 663235783Skib int len; 664235783Skib 665235783Skib#define DRM_COPY( name, value ) \ 666235783Skib len = strlen( value ); \ 667235783Skib if ( len > name##_len ) len = name##_len; \ 668235783Skib name##_len = strlen( value ); \ 669235783Skib if ( len && name ) { \ 670235783Skib if ( DRM_COPY_TO_USER( name, value, len ) ) \ 671235783Skib return EFAULT; \ 672235783Skib } 673235783Skib 674235783Skib version->version_major = dev->driver->major; 675235783Skib version->version_minor = dev->driver->minor; 676235783Skib version->version_patchlevel = dev->driver->patchlevel; 677235783Skib 678235783Skib DRM_COPY(version->name, dev->driver->name); 679235783Skib DRM_COPY(version->date, dev->driver->date); 680235783Skib DRM_COPY(version->desc, dev->driver->desc); 681235783Skib 682235783Skib return 0; 683235783Skib} 684235783Skib 685235783Skibint 686235783Skibdrm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p) 687235783Skib{ 688235783Skib struct drm_device *dev; 689235783Skib int retcode; 690235783Skib 691235783Skib dev = kdev->si_drv1; 692235783Skib if (dev == NULL) 693235783Skib return (ENXIO); 694235783Skib 695235783Skib DRM_DEBUG("open_count = %d\n", dev->open_count); 696235783Skib 697235783Skib retcode = drm_open_helper(kdev, flags, fmt, p, dev); 698235783Skib 699235783Skib if (retcode == 0) { 700235783Skib atomic_inc(&dev->counts[_DRM_STAT_OPENS]); 701235783Skib DRM_LOCK(dev); 702235783Skib mtx_lock(&Giant); 703235783Skib device_busy(dev->device); 704235783Skib mtx_unlock(&Giant); 705235783Skib if (!dev->open_count++) 706235783Skib retcode = drm_firstopen(dev); 707235783Skib DRM_UNLOCK(dev); 708235783Skib } 709235783Skib 710235783Skib return (retcode); 711235783Skib} 712235783Skib 713235783Skibvoid drm_close(void *data) 714235783Skib{ 715235783Skib struct drm_file *file_priv = data; 716235783Skib struct drm_device *dev = file_priv->dev; 717235783Skib int retcode = 0; 718235783Skib 719235783Skib DRM_DEBUG("open_count = %d\n", dev->open_count); 720235783Skib 721235783Skib DRM_LOCK(dev); 722235783Skib 723235783Skib if (dev->driver->preclose != NULL) 724235783Skib dev->driver->preclose(dev, file_priv); 725235783Skib 726235783Skib /* ======================================================== 727235783Skib * Begin inline drm_release 728235783Skib */ 729235783Skib 730235783Skib DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", 731235783Skib DRM_CURRENTPID, (long)dev->device, dev->open_count); 732235783Skib 733235783Skib if (dev->driver->driver_features & DRIVER_GEM) 734235783Skib drm_gem_release(dev, file_priv); 735235783Skib 736235783Skib if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) 737235783Skib && dev->lock.file_priv == file_priv) { 738235783Skib DRM_DEBUG("Process %d dead, freeing lock for context %d\n", 739235783Skib DRM_CURRENTPID, 740235783Skib _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 741235783Skib if (dev->driver->reclaim_buffers_locked != NULL) 742235783Skib dev->driver->reclaim_buffers_locked(dev, file_priv); 743235783Skib 744235783Skib drm_lock_free(&dev->lock, 745235783Skib _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); 746235783Skib 747235783Skib /* FIXME: may require heavy-handed reset of 748235783Skib hardware at this point, possibly 749235783Skib processed via a callback to the X 750235783Skib server. */ 751235783Skib } else if (dev->driver->reclaim_buffers_locked != NULL && 752235783Skib dev->lock.hw_lock != NULL) { 753235783Skib /* The lock is required to reclaim buffers */ 754235783Skib for (;;) { 755235783Skib if (!dev->lock.hw_lock) { 756235783Skib /* Device has been unregistered */ 757235783Skib retcode = EINTR; 758235783Skib break; 759235783Skib } 760235783Skib if (drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT)) { 761235783Skib dev->lock.file_priv = file_priv; 762235783Skib dev->lock.lock_time = jiffies; 763235783Skib atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 764235783Skib break; /* Got lock */ 765235783Skib } 766235783Skib /* Contention */ 767235783Skib retcode = DRM_LOCK_SLEEP(dev, &dev->lock.lock_queue, 768235783Skib PCATCH, "drmlk2", 0); 769235783Skib if (retcode) 770235783Skib break; 771235783Skib } 772235783Skib if (retcode == 0) { 773235783Skib dev->driver->reclaim_buffers_locked(dev, file_priv); 774235783Skib drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT); 775235783Skib } 776235783Skib } 777235783Skib 778235783Skib if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && 779235783Skib !dev->driver->reclaim_buffers_locked) 780235783Skib drm_reclaim_buffers(dev, file_priv); 781235783Skib 782235783Skib funsetown(&dev->buf_sigio); 783235783Skib seldrain(&file_priv->event_poll); 784235783Skib 785235783Skib if (dev->driver->postclose != NULL) 786235783Skib dev->driver->postclose(dev, file_priv); 787235783Skib TAILQ_REMOVE(&dev->files, file_priv, link); 788235783Skib free(file_priv, DRM_MEM_FILES); 789235783Skib 790235783Skib /* ======================================================== 791235783Skib * End inline drm_release 792235783Skib */ 793235783Skib 794235783Skib atomic_inc(&dev->counts[_DRM_STAT_CLOSES]); 795235783Skib mtx_lock(&Giant); 796235783Skib device_unbusy(dev->device); 797235783Skib mtx_unlock(&Giant); 798235783Skib if (--dev->open_count == 0) { 799235783Skib retcode = drm_lastclose(dev); 800235783Skib } 801235783Skib 802235783Skib DRM_UNLOCK(dev); 803235783Skib} 804235783Skib 805239375Skibextern drm_ioctl_desc_t drm_compat_ioctls[]; 806239375Skib 807235783Skib/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. 808235783Skib */ 809235783Skibint drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags, 810235783Skib DRM_STRUCTPROC *p) 811235783Skib{ 812235783Skib struct drm_device *dev = drm_get_device_from_kdev(kdev); 813235783Skib int retcode = 0; 814235783Skib drm_ioctl_desc_t *ioctl; 815235783Skib int (*func)(struct drm_device *dev, void *data, struct drm_file *file_priv); 816235783Skib int nr = DRM_IOCTL_NR(cmd); 817235783Skib int is_driver_ioctl = 0; 818235783Skib struct drm_file *file_priv; 819235783Skib 820235783Skib retcode = devfs_get_cdevpriv((void **)&file_priv); 821235783Skib if (retcode != 0) { 822235783Skib DRM_ERROR("can't find authenticator\n"); 823235783Skib return EINVAL; 824235783Skib } 825235783Skib 826235783Skib atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); 827235783Skib ++file_priv->ioctl_count; 828235783Skib 829235783Skib DRM_DEBUG("pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n", 830235783Skib DRM_CURRENTPID, cmd, nr, (long)dev->device, 831235783Skib file_priv->authenticated); 832235783Skib 833235783Skib switch (cmd) { 834235783Skib case FIONBIO: 835235783Skib case FIOASYNC: 836235783Skib return 0; 837235783Skib 838235783Skib case FIOSETOWN: 839235783Skib return fsetown(*(int *)data, &dev->buf_sigio); 840235783Skib 841235783Skib case FIOGETOWN: 842235783Skib *(int *) data = fgetown(&dev->buf_sigio); 843235783Skib return 0; 844235783Skib } 845235783Skib 846235783Skib if (IOCGROUP(cmd) != DRM_IOCTL_BASE) { 847235783Skib DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd)); 848235783Skib return EINVAL; 849235783Skib } 850235783Skib 851239375Skib#ifdef COMPAT_FREEBSD32 852239375Skib /* 853239375Skib * Called whenever a 32-bit process running under a 64-bit 854239375Skib * kernel performs an ioctl on /dev/drm. 855239375Skib */ 856239375Skib if (SV_CURPROC_FLAG(SV_ILP32) && drm_compat_ioctls[nr].func != NULL) 857239375Skib /* 858239375Skib * Assume that ioctls without an explicit compat 859239375Skib * routine will just work. This may not always be a 860239375Skib * good assumption, but it's better than always 861239375Skib * failing. 862239375Skib */ 863239375Skib ioctl = &drm_compat_ioctls[nr]; 864239375Skib else 865239375Skib#endif 866239375Skib ioctl = &drm_ioctls[nr]; 867235783Skib /* It's not a core DRM ioctl, try driver-specific. */ 868235783Skib if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) { 869235783Skib /* The array entries begin at DRM_COMMAND_BASE ioctl nr */ 870235783Skib nr -= DRM_COMMAND_BASE; 871235783Skib if (nr > dev->driver->max_ioctl) { 872235783Skib DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n", 873235783Skib nr, dev->driver->max_ioctl); 874235783Skib return EINVAL; 875235783Skib } 876239375Skib#ifdef COMPAT_FREEBSD32 877239375Skib if (SV_CURPROC_FLAG(SV_ILP32) && 878239375Skib nr < *dev->driver->compat_ioctls_nr && 879239375Skib dev->driver->compat_ioctls[nr].func != NULL) 880239375Skib ioctl = &dev->driver->compat_ioctls[nr]; 881239375Skib else 882239375Skib#endif 883239375Skib ioctl = &dev->driver->ioctls[nr]; 884235783Skib is_driver_ioctl = 1; 885235783Skib } 886235783Skib func = ioctl->func; 887235783Skib 888235783Skib if (func == NULL) { 889235783Skib DRM_DEBUG("no function\n"); 890235783Skib return EINVAL; 891235783Skib } 892235783Skib 893235783Skib if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) || 894235783Skib ((ioctl->flags & DRM_AUTH) && !file_priv->authenticated) || 895235783Skib ((ioctl->flags & DRM_MASTER) && !file_priv->master)) 896235783Skib return EACCES; 897235783Skib 898235783Skib if (is_driver_ioctl) { 899235783Skib if ((ioctl->flags & DRM_UNLOCKED) == 0) 900235783Skib DRM_LOCK(dev); 901235783Skib /* shared code returns -errno */ 902235783Skib retcode = -func(dev, data, file_priv); 903235783Skib if ((ioctl->flags & DRM_UNLOCKED) == 0) 904235783Skib DRM_UNLOCK(dev); 905235783Skib } else { 906235783Skib retcode = func(dev, data, file_priv); 907235783Skib } 908235783Skib 909235783Skib if (retcode != 0) 910235783Skib DRM_DEBUG(" returning %d\n", retcode); 911235783Skib if (retcode != 0 && 912235783Skib (drm_debug_flag & DRM_DEBUGBITS_FAILED_IOCTL) != 0) { 913235783Skib printf( 914235783Skib"pid %d, cmd 0x%02lx, nr 0x%02x/%1d, dev 0x%lx, auth %d, res %d\n", 915235783Skib DRM_CURRENTPID, cmd, nr, is_driver_ioctl, (long)dev->device, 916235783Skib file_priv->authenticated, retcode); 917235783Skib } 918235783Skib 919235783Skib return retcode; 920235783Skib} 921235783Skib 922235783Skibdrm_local_map_t *drm_getsarea(struct drm_device *dev) 923235783Skib{ 924235783Skib drm_local_map_t *map; 925235783Skib 926235783Skib DRM_LOCK_ASSERT(dev); 927235783Skib TAILQ_FOREACH(map, &dev->maplist, link) { 928235783Skib if (map->type == _DRM_SHM && (map->flags & _DRM_CONTAINS_LOCK)) 929235783Skib return map; 930235783Skib } 931235783Skib 932235783Skib return NULL; 933235783Skib} 934235783Skib 935235783Skibint 936235783Skibdrm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx, 937235783Skib struct sysctl_oid *top) 938235783Skib{ 939235783Skib struct sysctl_oid *oid; 940235783Skib 941235783Skib snprintf(dev->busid_str, sizeof(dev->busid_str), 942235783Skib "pci:%04x:%02x:%02x.%d", dev->pci_domain, dev->pci_bus, 943235783Skib dev->pci_slot, dev->pci_func); 944235783Skib oid = SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(top), OID_AUTO, "busid", 945235783Skib CTLFLAG_RD, dev->busid_str, 0, NULL); 946235783Skib if (oid == NULL) 947235783Skib return (ENOMEM); 948235783Skib dev->modesetting = (dev->driver->driver_features & DRIVER_MODESET) != 0; 949235783Skib oid = SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(top), OID_AUTO, 950235783Skib "modesetting", CTLFLAG_RD, &dev->modesetting, 0, NULL); 951235783Skib if (oid == NULL) 952235783Skib return (ENOMEM); 953235783Skib 954235783Skib return (0); 955235783Skib} 956235783Skib 957235783Skib#if DRM_LINUX 958235783Skib 959235783Skib#include <sys/sysproto.h> 960235783Skib 961235783SkibMODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1); 962235783Skib 963235783Skib#define LINUX_IOCTL_DRM_MIN 0x6400 964235783Skib#define LINUX_IOCTL_DRM_MAX 0x64ff 965235783Skib 966235783Skibstatic linux_ioctl_function_t drm_linux_ioctl; 967235783Skibstatic struct linux_ioctl_handler drm_handler = {drm_linux_ioctl, 968235783Skib LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX}; 969235783Skib 970235783SkibSYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE, 971235783Skib linux_ioctl_register_handler, &drm_handler); 972235783SkibSYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, 973235783Skib linux_ioctl_unregister_handler, &drm_handler); 974235783Skib 975235783Skib/* The bits for in/out are switched on Linux */ 976235783Skib#define LINUX_IOC_IN IOC_OUT 977235783Skib#define LINUX_IOC_OUT IOC_IN 978235783Skib 979235783Skibstatic int 980235783Skibdrm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args) 981235783Skib{ 982235783Skib int error; 983235783Skib int cmd = args->cmd; 984235783Skib 985235783Skib args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); 986235783Skib if (cmd & LINUX_IOC_IN) 987235783Skib args->cmd |= IOC_IN; 988235783Skib if (cmd & LINUX_IOC_OUT) 989235783Skib args->cmd |= IOC_OUT; 990235783Skib 991235783Skib error = ioctl(p, (struct ioctl_args *)args); 992235783Skib 993235783Skib return error; 994235783Skib} 995235783Skib#endif /* DRM_LINUX */ 996235783Skib 997235783Skibbool 998235783Skibdmi_check_system(const struct dmi_system_id *sysid) 999235783Skib{ 1000235783Skib 1001235783Skib /* XXXKIB */ 1002235783Skib return (false); 1003235783Skib} 1004235783Skib 1005