5 #include <dev/drm2/drmP.h>
7 #include <dev/agp/agpreg.h>
8 #include <dev/pci/pcireg.h>
10 devclass_t drm_devclass;
12 MALLOC_DEFINE(DRM_MEM_DMA, "drm_dma", "DRM DMA Data Structures");
13 MALLOC_DEFINE(DRM_MEM_SAREA, "drm_sarea", "DRM SAREA Data Structures");
14 MALLOC_DEFINE(DRM_MEM_DRIVER, "drm_driver", "DRM DRIVER Data Structures");
15 MALLOC_DEFINE(DRM_MEM_MAGIC, "drm_magic", "DRM MAGIC Data Structures");
16 MALLOC_DEFINE(DRM_MEM_MINOR, "drm_minor", "DRM MINOR Data Structures");
17 MALLOC_DEFINE(DRM_MEM_IOCTLS, "drm_ioctls", "DRM IOCTL Data Structures");
18 MALLOC_DEFINE(DRM_MEM_MAPS, "drm_maps", "DRM MAP Data Structures");
19 MALLOC_DEFINE(DRM_MEM_BUFS, "drm_bufs", "DRM BUFFER Data Structures");
20 MALLOC_DEFINE(DRM_MEM_SEGS, "drm_segs", "DRM SEGMENTS Data Structures");
21 MALLOC_DEFINE(DRM_MEM_PAGES, "drm_pages", "DRM PAGES Data Structures");
22 MALLOC_DEFINE(DRM_MEM_FILES, "drm_files", "DRM FILE Data Structures");
23 MALLOC_DEFINE(DRM_MEM_QUEUES, "drm_queues", "DRM QUEUE Data Structures");
24 MALLOC_DEFINE(DRM_MEM_CMDS, "drm_cmds", "DRM COMMAND Data Structures");
25 MALLOC_DEFINE(DRM_MEM_MAPPINGS, "drm_mapping", "DRM MAPPING Data Structures");
26 MALLOC_DEFINE(DRM_MEM_BUFLISTS, "drm_buflists", "DRM BUFLISTS Data Structures");
27 MALLOC_DEFINE(DRM_MEM_AGPLISTS, "drm_agplists", "DRM AGPLISTS Data Structures");
28 MALLOC_DEFINE(DRM_MEM_CTXBITMAP, "drm_ctxbitmap",
29 "DRM CTXBITMAP Data Structures");
30 MALLOC_DEFINE(DRM_MEM_SGLISTS, "drm_sglists", "DRM SGLISTS Data Structures");
31 MALLOC_DEFINE(DRM_MEM_MM, "drm_sman", "DRM MEMORY MANAGER Data Structures");
32 MALLOC_DEFINE(DRM_MEM_HASHTAB, "drm_hashtab", "DRM HASHTABLE Data Structures");
33 MALLOC_DEFINE(DRM_MEM_KMS, "drm_kms", "DRM KMS Data Structures");
34 MALLOC_DEFINE(DRM_MEM_VBLANK, "drm_vblank", "DRM VBLANK Handling Data");
36 const char *fb_mode_option = NULL;
38 #define NSEC_PER_USEC 1000L
39 #define NSEC_PER_SEC 1000000000L
42 timeval_to_ns(const struct timeval *tv)
44 return ((int64_t)tv->tv_sec * NSEC_PER_SEC) +
45 tv->tv_usec * NSEC_PER_USEC;
49 ns_to_timeval(const int64_t nsec)
60 tv.tv_sec = nsec / NSEC_PER_SEC;
61 rem = nsec % NSEC_PER_SEC;
66 tv.tv_usec = rem / 1000;
70 static drm_pci_id_list_t *
71 drm_find_description(int vendor, int device, drm_pci_id_list_t *idlist)
75 for (i = 0; idlist[i].vendor != 0; i++) {
76 if ((idlist[i].vendor == vendor) &&
77 ((idlist[i].device == device) ||
78 (idlist[i].device == 0))) {
86 * drm_probe_helper: called by a driver at the end of its probe
90 drm_probe_helper(device_t kdev, drm_pci_id_list_t *idlist)
92 drm_pci_id_list_t *id_entry;
95 vendor = pci_get_vendor(kdev);
96 device = pci_get_device(kdev);
98 if (pci_get_class(kdev) != PCIC_DISPLAY ||
99 (pci_get_subclass(kdev) != PCIS_DISPLAY_VGA &&
100 pci_get_subclass(kdev) != PCIS_DISPLAY_OTHER))
103 id_entry = drm_find_description(vendor, device, idlist);
104 if (id_entry != NULL) {
105 if (device_get_desc(kdev) == NULL) {
106 DRM_DEBUG("%s desc: %s\n",
107 device_get_nameunit(kdev), id_entry->name);
108 device_set_desc(kdev, id_entry->name);
117 * drm_attach_helper: called by a driver at the end of its attach
121 drm_attach_helper(device_t kdev, drm_pci_id_list_t *idlist,
122 struct drm_driver *driver)
124 struct drm_device *dev;
128 dev = device_get_softc(kdev);
130 vendor = pci_get_vendor(kdev);
131 device = pci_get_device(kdev);
132 dev->id_entry = drm_find_description(vendor, device, idlist);
134 ret = drm_get_pci_dev(kdev, dev, driver);
140 drm_generic_detach(device_t kdev)
142 struct drm_device *dev;
145 dev = device_get_softc(kdev);
149 /* Clean up PCI resources allocated by drm_bufs.c. We're not really
150 * worried about resource consumption while the DRM is inactive (between
151 * lastclose and firstopen or unload) because these aren't actually
152 * taking up KVA, just keeping the PCI resource allocated.
154 for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) {
155 if (dev->pcir[i] == NULL)
157 bus_release_resource(dev->dev, SYS_RES_MEMORY,
158 dev->pcirid[i], dev->pcir[i]);
162 if (pci_disable_busmaster(dev->dev))
163 DRM_ERROR("Request to disable bus-master failed.\n");
169 drm_add_busid_modesetting(struct drm_device *dev, struct sysctl_ctx_list *ctx,
170 struct sysctl_oid *top)
172 struct sysctl_oid *oid;
174 snprintf(dev->busid_str, sizeof(dev->busid_str),
175 "pci:%04x:%02x:%02x.%d", dev->pci_domain, dev->pci_bus,
176 dev->pci_slot, dev->pci_func);
177 oid = SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(top), OID_AUTO, "busid",
178 CTLFLAG_RD, dev->busid_str, 0, NULL);
181 dev->modesetting = (dev->driver->driver_features & DRIVER_MODESET) != 0;
182 oid = SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(top), OID_AUTO,
183 "modesetting", CTLFLAG_RD, &dev->modesetting, 0, NULL);
191 drm_device_find_capability(struct drm_device *dev, int cap)
194 return (pci_find_cap(dev->dev, cap, NULL) == 0);
198 drm_pci_device_is_agp(struct drm_device *dev)
200 if (dev->driver->device_is_agp != NULL) {
203 /* device_is_agp returns a tristate, 0 = not AGP, 1 = definitely
204 * AGP, 2 = fall back to PCI capability
206 ret = (*dev->driver->device_is_agp)(dev);
207 if (ret != DRM_MIGHT_BE_AGP)
211 return (drm_device_find_capability(dev, PCIY_AGP));
215 drm_pci_device_is_pcie(struct drm_device *dev)
218 return (drm_device_find_capability(dev, PCIY_EXPRESS));
222 dmi_found(const struct dmi_system_id *dsi)
224 char *hw_vendor, *hw_prod;
228 hw_vendor = getenv("smbios.planar.maker");
229 hw_prod = getenv("smbios.planar.product");
231 for (i = 0; i < nitems(dsi->matches); i++) {
232 slot = dsi->matches[i].slot;
237 case DMI_BOARD_VENDOR:
238 if (hw_vendor != NULL &&
239 !strcmp(hw_vendor, dsi->matches[i].substr)) {
245 case DMI_PRODUCT_NAME:
247 if (hw_prod != NULL &&
248 !strcmp(hw_prod, dsi->matches[i].substr)) {
267 dmi_check_system(const struct dmi_system_id *sysid)
269 const struct dmi_system_id *dsi;
272 for (res = false, dsi = sysid; dsi->matches[0].slot != 0 ; dsi++) {
273 if (dmi_found(dsi)) {
275 if (dsi->callback != NULL && dsi->callback(dsi))
283 drm_mtrr_add(unsigned long offset, unsigned long size, unsigned int flags)
286 struct mem_range_desc mrdesc;
288 mrdesc.mr_base = offset;
289 mrdesc.mr_len = size;
290 mrdesc.mr_flags = flags;
291 act = MEMRANGE_SET_UPDATE;
292 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
293 return (-mem_range_attr_set(&mrdesc, &act));
297 drm_mtrr_del(int handle __unused, unsigned long offset, unsigned long size,
301 struct mem_range_desc mrdesc;
303 mrdesc.mr_base = offset;
304 mrdesc.mr_len = size;
305 mrdesc.mr_flags = flags;
306 act = MEMRANGE_SET_REMOVE;
307 strlcpy(mrdesc.mr_owner, "drm", sizeof(mrdesc.mr_owner));
308 return (-mem_range_attr_set(&mrdesc, &act));
312 drm_clflush_pages(vm_page_t *pages, unsigned long num_pages)
315 #if defined(__i386__) || defined(__amd64__)
316 pmap_invalidate_cache_pages(pages, num_pages);
318 DRM_ERROR("drm_clflush_pages not implemented on this architecture");
323 drm_clflush_virt_range(char *addr, unsigned long length)
326 #if defined(__i386__) || defined(__amd64__)
327 pmap_invalidate_cache_range((vm_offset_t)addr,
328 (vm_offset_t)addr + length, TRUE);
330 DRM_ERROR("drm_clflush_virt_range not implemented on this architecture");
336 #include <sys/sysproto.h>
338 MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
340 #define LINUX_IOCTL_DRM_MIN 0x6400
341 #define LINUX_IOCTL_DRM_MAX 0x64ff
343 static linux_ioctl_function_t drm_linux_ioctl;
344 static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl,
345 LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
347 /* The bits for in/out are switched on Linux */
348 #define LINUX_IOC_IN IOC_OUT
349 #define LINUX_IOC_OUT IOC_IN
352 drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args)
357 args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT);
358 if (cmd & LINUX_IOC_IN)
360 if (cmd & LINUX_IOC_OUT)
361 args->cmd |= IOC_OUT;
363 error = ioctl(p, (struct ioctl_args *)args);
367 #endif /* DRM_LINUX */
370 drm_modevent(module_t mod, int type, void *data)
375 TUNABLE_INT_FETCH("drm.debug", &drm_debug);
376 TUNABLE_INT_FETCH("drm.notyet", &drm_notyet);
382 static moduledata_t drm_mod = {
388 DECLARE_MODULE(drmn, drm_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);
389 MODULE_VERSION(drmn, 1);
390 MODULE_DEPEND(drmn, agp, 1, 1, 1);
391 MODULE_DEPEND(drmn, pci, 1, 1, 1);
392 MODULE_DEPEND(drmn, mem, 1, 1, 1);
393 MODULE_DEPEND(drmn, iicbus, 1, 1, 1);