36
37#include "dev/drm/drmP.h"
38#include "dev/drm/drm.h"
39#include "dev/drm/drm_sarea.h"
40
41#ifdef DRM_DEBUG_DEFAULT_ON
42int drm_debug_flag = 1;
43#else
44int drm_debug_flag = 0;
45#endif
46
47static int drm_load(drm_device_t *dev);
48static void drm_unload(drm_device_t *dev);
49static drm_pci_id_list_t *drm_find_description(int vendor, int device,
50 drm_pci_id_list_t *idlist);
51
52#ifdef __FreeBSD__
53#define DRIVER_SOFTC(unit) \
54 ((drm_device_t *)devclass_get_softc(drm_devclass, unit))
55
56MODULE_VERSION(drm, 1);
57MODULE_DEPEND(drm, agp, 1, 1, 1);
58MODULE_DEPEND(drm, pci, 1, 1, 1);
59#if __FreeBSD_version > 502127
60MODULE_DEPEND(drm, mem, 1, 1, 1);
61#endif
62#endif /* __FreeBSD__ */
63
64#if defined(__NetBSD__) || defined(__OpenBSD__)
65#define DRIVER_SOFTC(unit) \
66 ((drm_device_t *)device_lookup(&drm_cd, unit))
67#endif /* __NetBSD__ || __OpenBSD__ */
68
69static drm_ioctl_desc_t drm_ioctls[256] = {
70 [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0 },
71 [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0 },
72 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0 },
73 [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY},
74 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0 },
75 [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0 },
76 [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0 },
77 [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, DRM_MASTER|DRM_ROOT_ONLY },
78
79 [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
80 [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
81 [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
82 [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
83
84 [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
85 [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap_ioctl, DRM_AUTH },
86
87 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
88 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, DRM_AUTH },
89
90 [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
91 [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
92 [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
93 [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, DRM_AUTH },
94 [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
95 [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
96 [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, DRM_AUTH },
97
98 [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
99 [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
100
101 [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, DRM_AUTH },
102 [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, DRM_AUTH },
103 [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, DRM_AUTH },
104
105 [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
106 [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, DRM_AUTH|DRM_MASTER },
107 [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, DRM_AUTH },
108 [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, DRM_AUTH },
109 [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, DRM_AUTH },
110 [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { drm_dma, DRM_AUTH },
111
112 [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
113
114 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
115 [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
116 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
117 [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info_ioctl, DRM_AUTH },
118 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
119 [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
120 [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
121 [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
122
123 [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
124 [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
125
126 [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0 },
127};
128
129#ifdef __FreeBSD__
130static struct cdevsw drm_cdevsw = {
131#if __FreeBSD_version >= 502103
132 .d_version = D_VERSION,
133#endif
134 .d_open = drm_open,
135 .d_close = drm_close,
136 .d_read = drm_read,
137 .d_ioctl = drm_ioctl,
138 .d_poll = drm_poll,
139 .d_mmap = drm_mmap,
140 .d_name = "drm",
141#if __FreeBSD_version >= 502103
142 .d_flags = D_TRACKCLOSE | D_NEEDGIANT,
143#else
144 .d_maj = 145,
145 .d_flags = D_TRACKCLOSE,
146#endif
147#if __FreeBSD_version < 500000
148 .d_bmaj = -1
149#endif
150};
151
152int drm_probe(device_t dev, drm_pci_id_list_t *idlist)
153{
154 drm_pci_id_list_t *id_entry;
155 int vendor, device;
| 36
37#include "dev/drm/drmP.h"
38#include "dev/drm/drm.h"
39#include "dev/drm/drm_sarea.h"
40
41#ifdef DRM_DEBUG_DEFAULT_ON
42int drm_debug_flag = 1;
43#else
44int drm_debug_flag = 0;
45#endif
46
47static int drm_load(drm_device_t *dev);
48static void drm_unload(drm_device_t *dev);
49static drm_pci_id_list_t *drm_find_description(int vendor, int device,
50 drm_pci_id_list_t *idlist);
51
52#ifdef __FreeBSD__
53#define DRIVER_SOFTC(unit) \
54 ((drm_device_t *)devclass_get_softc(drm_devclass, unit))
55
56MODULE_VERSION(drm, 1);
57MODULE_DEPEND(drm, agp, 1, 1, 1);
58MODULE_DEPEND(drm, pci, 1, 1, 1);
59#if __FreeBSD_version > 502127
60MODULE_DEPEND(drm, mem, 1, 1, 1);
61#endif
62#endif /* __FreeBSD__ */
63
64#if defined(__NetBSD__) || defined(__OpenBSD__)
65#define DRIVER_SOFTC(unit) \
66 ((drm_device_t *)device_lookup(&drm_cd, unit))
67#endif /* __NetBSD__ || __OpenBSD__ */
68
69static drm_ioctl_desc_t drm_ioctls[256] = {
70 [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0 },
71 [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0 },
72 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0 },
73 [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY},
74 [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0 },
75 [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0 },
76 [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0 },
77 [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, DRM_MASTER|DRM_ROOT_ONLY },
78
79 [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
80 [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
81 [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
82 [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
83
84 [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
85 [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap_ioctl, DRM_AUTH },
86
87 [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
88 [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, DRM_AUTH },
89
90 [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
91 [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
92 [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
93 [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, DRM_AUTH },
94 [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
95 [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
96 [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, DRM_AUTH },
97
98 [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
99 [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
100
101 [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, DRM_AUTH },
102 [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, DRM_AUTH },
103 [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, DRM_AUTH },
104
105 [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
106 [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, DRM_AUTH|DRM_MASTER },
107 [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, DRM_AUTH },
108 [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, DRM_AUTH },
109 [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, DRM_AUTH },
110 [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { drm_dma, DRM_AUTH },
111
112 [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
113
114 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
115 [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
116 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
117 [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info_ioctl, DRM_AUTH },
118 [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
119 [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
120 [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
121 [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
122
123 [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
124 [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY },
125
126 [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0 },
127};
128
129#ifdef __FreeBSD__
130static struct cdevsw drm_cdevsw = {
131#if __FreeBSD_version >= 502103
132 .d_version = D_VERSION,
133#endif
134 .d_open = drm_open,
135 .d_close = drm_close,
136 .d_read = drm_read,
137 .d_ioctl = drm_ioctl,
138 .d_poll = drm_poll,
139 .d_mmap = drm_mmap,
140 .d_name = "drm",
141#if __FreeBSD_version >= 502103
142 .d_flags = D_TRACKCLOSE | D_NEEDGIANT,
143#else
144 .d_maj = 145,
145 .d_flags = D_TRACKCLOSE,
146#endif
147#if __FreeBSD_version < 500000
148 .d_bmaj = -1
149#endif
150};
151
152int drm_probe(device_t dev, drm_pci_id_list_t *idlist)
153{
154 drm_pci_id_list_t *id_entry;
155 int vendor, device;
|
188 dev->devnode = make_dev(&drm_cdevsw,
189 unit,
190 DRM_DEV_UID,
191 DRM_DEV_GID,
192 DRM_DEV_MODE,
193 "dri/card%d", unit);
194#if __FreeBSD_version >= 500000
195 mtx_init(&dev->dev_lock, "drm device", NULL, MTX_DEF);
196#endif
197
198 id_entry = drm_find_description(pci_get_vendor(dev->device),
199 pci_get_device(dev->device), idlist);
200 dev->id_entry = id_entry;
201
202 return drm_load(dev);
203}
204
205int drm_detach(device_t dev)
206{
207 drm_unload(device_get_softc(dev));
208 return 0;
209}
210
211#ifndef DRM_DEV_NAME
212#define DRM_DEV_NAME "drm"
213#endif
214
215devclass_t drm_devclass;
216
217#elif defined(__NetBSD__) || defined(__OpenBSD__)
218
219static struct cdevsw drm_cdevsw = {
220 drm_open,
221 drm_close,
222 drm_read,
223 nowrite,
224 drm_ioctl,
225 nostop,
226 notty,
227 drm_poll,
228 drm_mmap,
229 nokqfilter,
230 D_TTY
231};
232
233int drm_refcnt = 0;
234
235#if defined(__NetBSD__) && __NetBSD_Version__ >= 106080000
236MOD_DEV("drm", DRIVER_NAME, NULL, -1, &drm_cdevsw, CDEV_MAJOR);
237#else
238MOD_DEV("drm", LM_DT_CHAR, CDEV_MAJOR, &drm_cdevsw);
239#endif
240
241int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver);
242static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd);
243
244int drm_modprobe(void);
245int drm_probe(struct pci_attach_args *pa);
246void drm_attach(struct pci_attach_args *pa, dev_t kdev);
247
248int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver) {
249 DISPATCH(lkmtp, cmd, ver, drm_lkmhandle, drm_lkmhandle, drm_lkmhandle);
250}
251
252static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd)
253{
254 int error = 0;
255
256 switch(cmd) {
257 case LKM_E_LOAD:
258 if (lkmexists(lkmtp))
259 return EEXIST;
260
261 if(drm_modprobe())
262 return 0;
263
264 return 1;
265
266 case LKM_E_UNLOAD:
267 if (drm_refcnt > 0)
268 return (EBUSY);
269 break;
270 case LKM_E_STAT:
271 break;
272
273 default:
274 error = EIO;
275 break;
276 }
277
278 return error;
279}
280
281int drm_modprobe(void)
282{
283 struct pci_attach_args pa;
284 int error;
285
286 error = pci_find_device(&pa, drm_probe, idlist);
287 if (error != 0)
288 drm_attach(&pa, 0);
289
290 return error;
291}
292
293int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t idlist)
294{
295 const char *desc;
296 drm_pci_id_list_t *id_entry;
297
298 id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
299 PCI_PRODUCT(pa->pa_id), idlist);
300 if (id_entry != NULL) {
301 return 1;
302 }
303
304 return 0;
305}
306
307void drm_attach(struct pci_attach_args *pa, dev_t kdev,
308 drm_pci_id_list_t *idlist)
309{
310 int i;
311 drm_device_t *dev;
312 drm_pci_id_list_t *id_entry;
313
314 config_makeroom(kdev, &drm_cd);
315 drm_cd.cd_devs[(kdev)] = malloc(sizeof(drm_device_t), M_DRM, M_WAITOK);
316 dev = DRIVER_SOFTC(kdev);
317
318 memset(dev, 0, sizeof(drm_device_t));
319 memcpy(&dev->pa, pa, sizeof(dev->pa));
320
321 dev->irq = pa->pa_intrline;
322 dev->pci_domain = 0;
323 dev->pci_bus = pa->pa_bus;
324 dev->pci_slot = pa->pa_device;
325 dev->pci_func = pa->pa_function;
326 dev->dma_tag = pa->pa_dmat;
327
328 id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
329 PCI_PRODUCT(pa->pa_id), idlist);
330 dev->driver.pci_id_entry = id_entry;
331
332 DRM_INFO("%s", id_entry->name);
333 drm_load(dev);
334}
335
336int drm_detach(struct device *self, int flags)
337{
338 drm_unload((drm_device_t *)self);
339 return 0;
340}
341
342int drm_activate(struct device *self, enum devact act)
343{
344 switch (act) {
345 case DVACT_ACTIVATE:
346 return (EOPNOTSUPP);
347 break;
348
349 case DVACT_DEACTIVATE:
350 /* FIXME */
351 break;
352 }
353 return (0);
354}
355#endif /* __NetBSD__ || __OpenBSD__ */
356
357drm_pci_id_list_t *drm_find_description(int vendor, int device,
358 drm_pci_id_list_t *idlist)
359{
360 int i = 0;
361
362 for (i = 0; idlist[i].vendor != 0; i++) {
363 if ((idlist[i].vendor == vendor) &&
364 (idlist[i].device == device)) {
365 return &idlist[i];
366 }
367 }
368 return NULL;
369}
370
371static int drm_firstopen(drm_device_t *dev)
372{
373 drm_local_map_t *map;
374 int i;
375
376 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
377
378 /* prebuild the SAREA */
379 i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM,
380 _DRM_CONTAINS_LOCK, &map);
381 if (i != 0)
382 return i;
383
384 if (dev->driver.firstopen)
385 dev->driver.firstopen(dev);
386
387 dev->buf_use = 0;
388
389 if (dev->driver.use_dma) {
390 i = drm_dma_setup(dev);
391 if (i != 0)
392 return i;
393 }
394
395 dev->counters = 6;
396 dev->types[0] = _DRM_STAT_LOCK;
397 dev->types[1] = _DRM_STAT_OPENS;
398 dev->types[2] = _DRM_STAT_CLOSES;
399 dev->types[3] = _DRM_STAT_IOCTLS;
400 dev->types[4] = _DRM_STAT_LOCKS;
401 dev->types[5] = _DRM_STAT_UNLOCKS;
402
403 for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
404 atomic_set( &dev->counts[i], 0 );
405
406 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
407 dev->magiclist[i].head = NULL;
408 dev->magiclist[i].tail = NULL;
409 }
410
411 dev->lock.lock_queue = 0;
412 dev->irq_enabled = 0;
413 dev->context_flag = 0;
414 dev->last_context = 0;
415 dev->if_version = 0;
416
417#ifdef __FreeBSD__
418 dev->buf_sigio = NULL;
419#elif defined(__NetBSD__) || defined(__OpenBSD__)
420 dev->buf_pgid = 0;
421#endif
422
423 DRM_DEBUG( "\n" );
424
425 return 0;
426}
427
428static int drm_lastclose(drm_device_t *dev)
429{
430 drm_magic_entry_t *pt, *next;
431 drm_local_map_t *map, *mapsave;
432 int i;
433
434 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
435
436 DRM_DEBUG( "\n" );
437
438 if (dev->driver.lastclose != NULL)
439 dev->driver.lastclose(dev);
440
441 if (dev->irq_enabled)
442 drm_irq_uninstall(dev);
443
444 if ( dev->unique ) {
445 free(dev->unique, M_DRM);
446 dev->unique = NULL;
447 dev->unique_len = 0;
448 }
449 /* Clear pid list */
450 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
451 for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
452 next = pt->next;
453 free(pt, M_DRM);
454 }
455 dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
456 }
457
458 /* Clear AGP information */
459 if ( dev->agp ) {
460 drm_agp_mem_t *entry;
461 drm_agp_mem_t *nexte;
462
463 /* Remove AGP resources, but leave dev->agp intact until
464 * drm_unload is called.
465 */
466 for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
467 nexte = entry->next;
468 if ( entry->bound )
469 drm_agp_unbind_memory(entry->handle);
470 drm_agp_free_memory(entry->handle);
471 free(entry, M_DRM);
472 }
473 dev->agp->memory = NULL;
474
475 if (dev->agp->acquired)
476 drm_agp_release(dev);
477
478 dev->agp->acquired = 0;
479 dev->agp->enabled = 0;
480 }
481 if (dev->sg != NULL) {
482 drm_sg_cleanup(dev->sg);
483 dev->sg = NULL;
484 }
485
486 TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) {
487 drm_rmmap(dev, map);
488 }
489
490
491 drm_dma_takedown(dev);
492 if ( dev->lock.hw_lock ) {
493 dev->lock.hw_lock = NULL; /* SHM removed */
494 dev->lock.filp = NULL;
495 DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
496 }
497
498 return 0;
499}
500
501static int drm_load(drm_device_t *dev)
502{
503 int retcode;
504
505 DRM_DEBUG( "\n" );
506
507 dev->irq = pci_get_irq(dev->device);
508 /* XXX Fix domain number (alpha hoses) */
509 dev->pci_domain = 0;
510 dev->pci_bus = pci_get_bus(dev->device);
511 dev->pci_slot = pci_get_slot(dev->device);
512 dev->pci_func = pci_get_function(dev->device);
513
514 TAILQ_INIT(&dev->maplist);
515
516 drm_mem_init();
517#ifdef __FreeBSD__
518 drm_sysctl_init(dev);
519#endif
520 TAILQ_INIT(&dev->files);
521
522 if (dev->driver.load != NULL) {
523 DRM_LOCK();
524 retcode = dev->driver.load(dev, dev->id_entry->driver_private);
525 DRM_UNLOCK();
526 if (retcode != 0)
527 goto error;
528 }
529
530 if (dev->driver.use_agp) {
531 if (drm_device_is_agp(dev))
532 dev->agp = drm_agp_init();
533 if (dev->driver.require_agp && dev->agp == NULL) {
534 DRM_ERROR("Card isn't AGP, or couldn't initialize "
535 "AGP.\n");
536 retcode = DRM_ERR(ENOMEM);
537 goto error;
538 }
539 if (dev->agp != NULL) {
540 if (drm_mtrr_add(dev->agp->info.ai_aperture_base,
541 dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)
542 dev->agp->mtrr = 1;
543 }
544 }
545
546 retcode = drm_ctxbitmap_init(dev);
547 if (retcode != 0) {
548 DRM_ERROR("Cannot allocate memory for context bitmap.\n");
549 goto error;
550 }
551
552 DRM_INFO("Initialized %s %d.%d.%d %s\n",
553 dev->driver.name,
554 dev->driver.major,
555 dev->driver.minor,
556 dev->driver.patchlevel,
557 dev->driver.date);
558
559 return 0;
560
561error:
562#ifdef __FreeBSD__
563 drm_sysctl_cleanup(dev);
564#endif
565 DRM_LOCK();
566 drm_lastclose(dev);
567 DRM_UNLOCK();
568#ifdef __FreeBSD__
569 destroy_dev(dev->devnode);
570#if __FreeBSD_version >= 500000
571 mtx_destroy(&dev->dev_lock);
572#endif
573#endif
574 return retcode;
575}
576
577static void drm_unload(drm_device_t *dev)
578{
579 int i;
580
581 DRM_DEBUG( "\n" );
582
583#ifdef __FreeBSD__
584 drm_sysctl_cleanup(dev);
585 destroy_dev(dev->devnode);
586#endif
587
588 drm_ctxbitmap_cleanup(dev);
589
590 if (dev->agp && dev->agp->mtrr) {
591 int __unused retcode;
592
593 retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base,
594 dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
595 DRM_DEBUG("mtrr_del = %d", retcode);
596 }
597
598 DRM_LOCK();
599 drm_lastclose(dev);
600 DRM_UNLOCK();
601
602 /* Clean up PCI resources allocated by drm_bufs.c. We're not really
603 * worried about resource consumption while the DRM is inactive (between
604 * lastclose and firstopen or unload) because these aren't actually
605 * taking up KVA, just keeping the PCI resource allocated.
606 */
607 for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) {
608 if (dev->pcir[i] == NULL)
609 continue;
610 bus_release_resource(dev->device, SYS_RES_MEMORY,
611 dev->pcirid[i], dev->pcir[i]);
612 dev->pcir[i] = NULL;
613 }
614
615 if ( dev->agp ) {
616 free(dev->agp, M_DRM);
617 dev->agp = NULL;
618 }
619
620 if (dev->driver.unload != NULL)
621 dev->driver.unload(dev);
622
623 drm_mem_uninit();
624#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
625 mtx_destroy(&dev->dev_lock);
626#endif
627}
628
629
630int drm_version(DRM_IOCTL_ARGS)
631{
632 DRM_DEVICE;
633 drm_version_t version;
634 int len;
635
636 DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );
637
638#define DRM_COPY( name, value ) \
639 len = strlen( value ); \
640 if ( len > name##_len ) len = name##_len; \
641 name##_len = strlen( value ); \
642 if ( len && name ) { \
643 if ( DRM_COPY_TO_USER( name, value, len ) ) \
644 return DRM_ERR(EFAULT); \
645 }
646
647 version.version_major = dev->driver.major;
648 version.version_minor = dev->driver.minor;
649 version.version_patchlevel = dev->driver.patchlevel;
650
651 DRM_COPY(version.name, dev->driver.name);
652 DRM_COPY(version.date, dev->driver.date);
653 DRM_COPY(version.desc, dev->driver.desc);
654
655 DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );
656
657 return 0;
658}
659
660int drm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
661{
662 drm_device_t *dev = NULL;
663 int retcode = 0;
664
665 dev = DRIVER_SOFTC(minor(kdev));
666
667 DRM_DEBUG( "open_count = %d\n", dev->open_count );
668
669 retcode = drm_open_helper(kdev, flags, fmt, p, dev);
670
671 if ( !retcode ) {
672 atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
673 DRM_LOCK();
674#ifdef __FreeBSD__
675 device_busy(dev->device);
676#endif
677 if ( !dev->open_count++ )
678 retcode = drm_firstopen(dev);
679 DRM_UNLOCK();
680 }
681
682 return retcode;
683}
684
685int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
686{
687 drm_file_t *priv;
688 DRM_DEVICE;
689 int retcode = 0;
690 DRMFILE filp = (void *)(uintptr_t)(DRM_CURRENTPID);
691
692 DRM_DEBUG( "open_count = %d\n", dev->open_count );
693
694 DRM_LOCK();
695
696 priv = drm_find_file_by_proc(dev, p);
697 if (!priv) {
698 DRM_UNLOCK();
699 DRM_ERROR("can't find authenticator\n");
700 return EINVAL;
701 }
702
703 if (dev->driver.preclose != NULL)
704 dev->driver.preclose(dev, filp);
705
706 /* ========================================================
707 * Begin inline drm_release
708 */
709
710#ifdef __FreeBSD__
711 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
712 DRM_CURRENTPID, (long)dev->device, dev->open_count );
713#elif defined(__NetBSD__) || defined(__OpenBSD__)
714 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
715 DRM_CURRENTPID, (long)&dev->device, dev->open_count);
716#endif
717
718 if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
719 && dev->lock.filp == filp) {
720 DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
721 DRM_CURRENTPID,
722 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
723 if (dev->driver.reclaim_buffers_locked != NULL)
724 dev->driver.reclaim_buffers_locked(dev, filp);
725
726 drm_lock_free(dev, &dev->lock.hw_lock->lock,
727 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
728
729 /* FIXME: may require heavy-handed reset of
730 hardware at this point, possibly
731 processed via a callback to the X
732 server. */
733 } else if (dev->driver.reclaim_buffers_locked != NULL &&
734 dev->lock.hw_lock != NULL) {
735 /* The lock is required to reclaim buffers */
736 for (;;) {
737 if ( !dev->lock.hw_lock ) {
738 /* Device has been unregistered */
739 retcode = DRM_ERR(EINTR);
740 break;
741 }
742 if (drm_lock_take(&dev->lock.hw_lock->lock,
743 DRM_KERNEL_CONTEXT)) {
744 dev->lock.filp = filp;
745 dev->lock.lock_time = jiffies;
746 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
747 break; /* Got lock */
748 }
749 /* Contention */
750#if defined(__FreeBSD__) && __FreeBSD_version > 500000
751 retcode = msleep((void *)&dev->lock.lock_queue,
752 &dev->dev_lock, PZERO | PCATCH, "drmlk2", 0);
753#else
754 retcode = tsleep((void *)&dev->lock.lock_queue,
755 PZERO | PCATCH, "drmlk2", 0);
756#endif
757 if (retcode)
758 break;
759 }
760 if (retcode == 0) {
761 dev->driver.reclaim_buffers_locked(dev, filp);
762 drm_lock_free(dev, &dev->lock.hw_lock->lock,
763 DRM_KERNEL_CONTEXT);
764 }
765 }
766
767 if (dev->driver.use_dma && !dev->driver.reclaim_buffers_locked)
768 drm_reclaim_buffers(dev, filp);
769
770#if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
771 funsetown(&dev->buf_sigio);
772#elif defined(__FreeBSD__)
773 funsetown(dev->buf_sigio);
774#elif defined(__NetBSD__) || defined(__OpenBSD__)
775 dev->buf_pgid = 0;
776#endif /* __NetBSD__ || __OpenBSD__ */
777
778 if (--priv->refs == 0) {
779 if (dev->driver.postclose != NULL)
780 dev->driver.postclose(dev, priv);
781 TAILQ_REMOVE(&dev->files, priv, link);
782 free(priv, M_DRM);
783 }
784
785 /* ========================================================
786 * End inline drm_release
787 */
788
789 atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
790#ifdef __FreeBSD__
791 device_unbusy(dev->device);
792#endif
793 if (--dev->open_count == 0) {
794 retcode = drm_lastclose(dev);
795 }
796
797 DRM_UNLOCK();
798
799 return retcode;
800}
801
802/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm.
803 */
804int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags,
805 DRM_STRUCTPROC *p)
806{
807 DRM_DEVICE;
808 int retcode = 0;
809 drm_ioctl_desc_t *ioctl;
810 int (*func)(DRM_IOCTL_ARGS);
811 int nr = DRM_IOCTL_NR(cmd);
812 int is_driver_ioctl = 0;
813 drm_file_t *priv;
814 DRMFILE filp = (DRMFILE)(uintptr_t)DRM_CURRENTPID;
815
816 DRM_LOCK();
817 priv = drm_find_file_by_proc(dev, p);
818 DRM_UNLOCK();
819 if (priv == NULL) {
820 DRM_ERROR("can't find authenticator\n");
821 return EINVAL;
822 }
823
824 atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
825 ++priv->ioctl_count;
826
827#ifdef __FreeBSD__
828 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
829 DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
830#elif defined(__NetBSD__) || defined(__OpenBSD__)
831 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
832 DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated );
833#endif
834
835 switch (cmd) {
836 case FIONBIO:
837 case FIOASYNC:
838 return 0;
839
840#ifdef __FreeBSD__
841 case FIOSETOWN:
842 return fsetown(*(int *)data, &dev->buf_sigio);
843
844 case FIOGETOWN:
845#if (__FreeBSD_version >= 500000)
846 *(int *) data = fgetown(&dev->buf_sigio);
847#else
848 *(int *) data = fgetown(dev->buf_sigio);
849#endif
850 return 0;
851#endif /* __FreeBSD__ */
852#if defined(__NetBSD__) || defined(__OpenBSD__)
853 case TIOCSPGRP:
854 dev->buf_pgid = *(int *)data;
855 return 0;
856
857 case TIOCGPGRP:
858 *(int *)data = dev->buf_pgid;
859 return 0;
860#endif /* __NetBSD__ */
861 }
862
863 if (IOCGROUP(cmd) != DRM_IOCTL_BASE) {
864 DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd));
865 return EINVAL;
866 }
867
868 ioctl = &drm_ioctls[nr];
869 /* It's not a core DRM ioctl, try driver-specific. */
870 if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) {
871 /* The array entries begin at DRM_COMMAND_BASE ioctl nr */
872 nr -= DRM_COMMAND_BASE;
873 if (nr > dev->driver.max_ioctl) {
874 DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n",
875 nr, dev->driver.max_ioctl);
876 return EINVAL;
877 }
878 ioctl = &dev->driver.ioctls[nr];
879 is_driver_ioctl = 1;
880 }
881 func = ioctl->func;
882
883 if (func == NULL) {
884 DRM_DEBUG( "no function\n" );
885 return EINVAL;
886 }
887 /* ioctl->master check should be against something in the filp set up
888 * for the first opener, but it doesn't matter yet.
889 */
890 if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) ||
891 ((ioctl->flags & DRM_AUTH) && !priv->authenticated) ||
892 ((ioctl->flags & DRM_MASTER) && !priv->master))
893 return EACCES;
894
895 if (is_driver_ioctl)
896 DRM_LOCK();
897 retcode = func(kdev, cmd, data, flags, p, filp);
898 if (is_driver_ioctl)
899 DRM_UNLOCK();
900
901 if (retcode != 0)
902 DRM_DEBUG(" returning %d\n", retcode);
903
904 return DRM_ERR(retcode);
905}
906
907
908#if DRM_LINUX
909
910#include <sys/sysproto.h>
911
912MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
913
914#define LINUX_IOCTL_DRM_MIN 0x6400
915#define LINUX_IOCTL_DRM_MAX 0x64ff
916
917static linux_ioctl_function_t drm_linux_ioctl;
918static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl,
919 LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
920
921SYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
922 linux_ioctl_register_handler, &drm_handler);
923SYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
924 linux_ioctl_unregister_handler, &drm_handler);
925
926/* The bits for in/out are switched on Linux */
927#define LINUX_IOC_IN IOC_OUT
928#define LINUX_IOC_OUT IOC_IN
929
930static int
931drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args)
932{
933 int error;
934 int cmd = args->cmd;
935
936 args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT);
937 if (cmd & LINUX_IOC_IN)
938 args->cmd |= IOC_IN;
939 if (cmd & LINUX_IOC_OUT)
940 args->cmd |= IOC_OUT;
941
942 error = ioctl(p, (struct ioctl_args *)args);
943
944 return error;
945}
946#endif /* DRM_LINUX */
| 196 dev->devnode = make_dev(&drm_cdevsw,
197 unit,
198 DRM_DEV_UID,
199 DRM_DEV_GID,
200 DRM_DEV_MODE,
201 "dri/card%d", unit);
202#if __FreeBSD_version >= 500000
203 mtx_init(&dev->dev_lock, "drm device", NULL, MTX_DEF);
204#endif
205
206 id_entry = drm_find_description(pci_get_vendor(dev->device),
207 pci_get_device(dev->device), idlist);
208 dev->id_entry = id_entry;
209
210 return drm_load(dev);
211}
212
213int drm_detach(device_t dev)
214{
215 drm_unload(device_get_softc(dev));
216 return 0;
217}
218
219#ifndef DRM_DEV_NAME
220#define DRM_DEV_NAME "drm"
221#endif
222
223devclass_t drm_devclass;
224
225#elif defined(__NetBSD__) || defined(__OpenBSD__)
226
227static struct cdevsw drm_cdevsw = {
228 drm_open,
229 drm_close,
230 drm_read,
231 nowrite,
232 drm_ioctl,
233 nostop,
234 notty,
235 drm_poll,
236 drm_mmap,
237 nokqfilter,
238 D_TTY
239};
240
241int drm_refcnt = 0;
242
243#if defined(__NetBSD__) && __NetBSD_Version__ >= 106080000
244MOD_DEV("drm", DRIVER_NAME, NULL, -1, &drm_cdevsw, CDEV_MAJOR);
245#else
246MOD_DEV("drm", LM_DT_CHAR, CDEV_MAJOR, &drm_cdevsw);
247#endif
248
249int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver);
250static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd);
251
252int drm_modprobe(void);
253int drm_probe(struct pci_attach_args *pa);
254void drm_attach(struct pci_attach_args *pa, dev_t kdev);
255
256int drm_lkmentry(struct lkm_table *lkmtp, int cmd, int ver) {
257 DISPATCH(lkmtp, cmd, ver, drm_lkmhandle, drm_lkmhandle, drm_lkmhandle);
258}
259
260static int drm_lkmhandle(struct lkm_table *lkmtp, int cmd)
261{
262 int error = 0;
263
264 switch(cmd) {
265 case LKM_E_LOAD:
266 if (lkmexists(lkmtp))
267 return EEXIST;
268
269 if(drm_modprobe())
270 return 0;
271
272 return 1;
273
274 case LKM_E_UNLOAD:
275 if (drm_refcnt > 0)
276 return (EBUSY);
277 break;
278 case LKM_E_STAT:
279 break;
280
281 default:
282 error = EIO;
283 break;
284 }
285
286 return error;
287}
288
289int drm_modprobe(void)
290{
291 struct pci_attach_args pa;
292 int error;
293
294 error = pci_find_device(&pa, drm_probe, idlist);
295 if (error != 0)
296 drm_attach(&pa, 0);
297
298 return error;
299}
300
301int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t idlist)
302{
303 const char *desc;
304 drm_pci_id_list_t *id_entry;
305
306 id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
307 PCI_PRODUCT(pa->pa_id), idlist);
308 if (id_entry != NULL) {
309 return 1;
310 }
311
312 return 0;
313}
314
315void drm_attach(struct pci_attach_args *pa, dev_t kdev,
316 drm_pci_id_list_t *idlist)
317{
318 int i;
319 drm_device_t *dev;
320 drm_pci_id_list_t *id_entry;
321
322 config_makeroom(kdev, &drm_cd);
323 drm_cd.cd_devs[(kdev)] = malloc(sizeof(drm_device_t), M_DRM, M_WAITOK);
324 dev = DRIVER_SOFTC(kdev);
325
326 memset(dev, 0, sizeof(drm_device_t));
327 memcpy(&dev->pa, pa, sizeof(dev->pa));
328
329 dev->irq = pa->pa_intrline;
330 dev->pci_domain = 0;
331 dev->pci_bus = pa->pa_bus;
332 dev->pci_slot = pa->pa_device;
333 dev->pci_func = pa->pa_function;
334 dev->dma_tag = pa->pa_dmat;
335
336 id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
337 PCI_PRODUCT(pa->pa_id), idlist);
338 dev->driver.pci_id_entry = id_entry;
339
340 DRM_INFO("%s", id_entry->name);
341 drm_load(dev);
342}
343
344int drm_detach(struct device *self, int flags)
345{
346 drm_unload((drm_device_t *)self);
347 return 0;
348}
349
350int drm_activate(struct device *self, enum devact act)
351{
352 switch (act) {
353 case DVACT_ACTIVATE:
354 return (EOPNOTSUPP);
355 break;
356
357 case DVACT_DEACTIVATE:
358 /* FIXME */
359 break;
360 }
361 return (0);
362}
363#endif /* __NetBSD__ || __OpenBSD__ */
364
365drm_pci_id_list_t *drm_find_description(int vendor, int device,
366 drm_pci_id_list_t *idlist)
367{
368 int i = 0;
369
370 for (i = 0; idlist[i].vendor != 0; i++) {
371 if ((idlist[i].vendor == vendor) &&
372 (idlist[i].device == device)) {
373 return &idlist[i];
374 }
375 }
376 return NULL;
377}
378
379static int drm_firstopen(drm_device_t *dev)
380{
381 drm_local_map_t *map;
382 int i;
383
384 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
385
386 /* prebuild the SAREA */
387 i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM,
388 _DRM_CONTAINS_LOCK, &map);
389 if (i != 0)
390 return i;
391
392 if (dev->driver.firstopen)
393 dev->driver.firstopen(dev);
394
395 dev->buf_use = 0;
396
397 if (dev->driver.use_dma) {
398 i = drm_dma_setup(dev);
399 if (i != 0)
400 return i;
401 }
402
403 dev->counters = 6;
404 dev->types[0] = _DRM_STAT_LOCK;
405 dev->types[1] = _DRM_STAT_OPENS;
406 dev->types[2] = _DRM_STAT_CLOSES;
407 dev->types[3] = _DRM_STAT_IOCTLS;
408 dev->types[4] = _DRM_STAT_LOCKS;
409 dev->types[5] = _DRM_STAT_UNLOCKS;
410
411 for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
412 atomic_set( &dev->counts[i], 0 );
413
414 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
415 dev->magiclist[i].head = NULL;
416 dev->magiclist[i].tail = NULL;
417 }
418
419 dev->lock.lock_queue = 0;
420 dev->irq_enabled = 0;
421 dev->context_flag = 0;
422 dev->last_context = 0;
423 dev->if_version = 0;
424
425#ifdef __FreeBSD__
426 dev->buf_sigio = NULL;
427#elif defined(__NetBSD__) || defined(__OpenBSD__)
428 dev->buf_pgid = 0;
429#endif
430
431 DRM_DEBUG( "\n" );
432
433 return 0;
434}
435
436static int drm_lastclose(drm_device_t *dev)
437{
438 drm_magic_entry_t *pt, *next;
439 drm_local_map_t *map, *mapsave;
440 int i;
441
442 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
443
444 DRM_DEBUG( "\n" );
445
446 if (dev->driver.lastclose != NULL)
447 dev->driver.lastclose(dev);
448
449 if (dev->irq_enabled)
450 drm_irq_uninstall(dev);
451
452 if ( dev->unique ) {
453 free(dev->unique, M_DRM);
454 dev->unique = NULL;
455 dev->unique_len = 0;
456 }
457 /* Clear pid list */
458 for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) {
459 for ( pt = dev->magiclist[i].head ; pt ; pt = next ) {
460 next = pt->next;
461 free(pt, M_DRM);
462 }
463 dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
464 }
465
466 /* Clear AGP information */
467 if ( dev->agp ) {
468 drm_agp_mem_t *entry;
469 drm_agp_mem_t *nexte;
470
471 /* Remove AGP resources, but leave dev->agp intact until
472 * drm_unload is called.
473 */
474 for ( entry = dev->agp->memory ; entry ; entry = nexte ) {
475 nexte = entry->next;
476 if ( entry->bound )
477 drm_agp_unbind_memory(entry->handle);
478 drm_agp_free_memory(entry->handle);
479 free(entry, M_DRM);
480 }
481 dev->agp->memory = NULL;
482
483 if (dev->agp->acquired)
484 drm_agp_release(dev);
485
486 dev->agp->acquired = 0;
487 dev->agp->enabled = 0;
488 }
489 if (dev->sg != NULL) {
490 drm_sg_cleanup(dev->sg);
491 dev->sg = NULL;
492 }
493
494 TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) {
495 drm_rmmap(dev, map);
496 }
497
498
499 drm_dma_takedown(dev);
500 if ( dev->lock.hw_lock ) {
501 dev->lock.hw_lock = NULL; /* SHM removed */
502 dev->lock.filp = NULL;
503 DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
504 }
505
506 return 0;
507}
508
509static int drm_load(drm_device_t *dev)
510{
511 int retcode;
512
513 DRM_DEBUG( "\n" );
514
515 dev->irq = pci_get_irq(dev->device);
516 /* XXX Fix domain number (alpha hoses) */
517 dev->pci_domain = 0;
518 dev->pci_bus = pci_get_bus(dev->device);
519 dev->pci_slot = pci_get_slot(dev->device);
520 dev->pci_func = pci_get_function(dev->device);
521
522 TAILQ_INIT(&dev->maplist);
523
524 drm_mem_init();
525#ifdef __FreeBSD__
526 drm_sysctl_init(dev);
527#endif
528 TAILQ_INIT(&dev->files);
529
530 if (dev->driver.load != NULL) {
531 DRM_LOCK();
532 retcode = dev->driver.load(dev, dev->id_entry->driver_private);
533 DRM_UNLOCK();
534 if (retcode != 0)
535 goto error;
536 }
537
538 if (dev->driver.use_agp) {
539 if (drm_device_is_agp(dev))
540 dev->agp = drm_agp_init();
541 if (dev->driver.require_agp && dev->agp == NULL) {
542 DRM_ERROR("Card isn't AGP, or couldn't initialize "
543 "AGP.\n");
544 retcode = DRM_ERR(ENOMEM);
545 goto error;
546 }
547 if (dev->agp != NULL) {
548 if (drm_mtrr_add(dev->agp->info.ai_aperture_base,
549 dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)
550 dev->agp->mtrr = 1;
551 }
552 }
553
554 retcode = drm_ctxbitmap_init(dev);
555 if (retcode != 0) {
556 DRM_ERROR("Cannot allocate memory for context bitmap.\n");
557 goto error;
558 }
559
560 DRM_INFO("Initialized %s %d.%d.%d %s\n",
561 dev->driver.name,
562 dev->driver.major,
563 dev->driver.minor,
564 dev->driver.patchlevel,
565 dev->driver.date);
566
567 return 0;
568
569error:
570#ifdef __FreeBSD__
571 drm_sysctl_cleanup(dev);
572#endif
573 DRM_LOCK();
574 drm_lastclose(dev);
575 DRM_UNLOCK();
576#ifdef __FreeBSD__
577 destroy_dev(dev->devnode);
578#if __FreeBSD_version >= 500000
579 mtx_destroy(&dev->dev_lock);
580#endif
581#endif
582 return retcode;
583}
584
585static void drm_unload(drm_device_t *dev)
586{
587 int i;
588
589 DRM_DEBUG( "\n" );
590
591#ifdef __FreeBSD__
592 drm_sysctl_cleanup(dev);
593 destroy_dev(dev->devnode);
594#endif
595
596 drm_ctxbitmap_cleanup(dev);
597
598 if (dev->agp && dev->agp->mtrr) {
599 int __unused retcode;
600
601 retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base,
602 dev->agp->info.ai_aperture_size, DRM_MTRR_WC);
603 DRM_DEBUG("mtrr_del = %d", retcode);
604 }
605
606 DRM_LOCK();
607 drm_lastclose(dev);
608 DRM_UNLOCK();
609
610 /* Clean up PCI resources allocated by drm_bufs.c. We're not really
611 * worried about resource consumption while the DRM is inactive (between
612 * lastclose and firstopen or unload) because these aren't actually
613 * taking up KVA, just keeping the PCI resource allocated.
614 */
615 for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) {
616 if (dev->pcir[i] == NULL)
617 continue;
618 bus_release_resource(dev->device, SYS_RES_MEMORY,
619 dev->pcirid[i], dev->pcir[i]);
620 dev->pcir[i] = NULL;
621 }
622
623 if ( dev->agp ) {
624 free(dev->agp, M_DRM);
625 dev->agp = NULL;
626 }
627
628 if (dev->driver.unload != NULL)
629 dev->driver.unload(dev);
630
631 drm_mem_uninit();
632#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
633 mtx_destroy(&dev->dev_lock);
634#endif
635}
636
637
638int drm_version(DRM_IOCTL_ARGS)
639{
640 DRM_DEVICE;
641 drm_version_t version;
642 int len;
643
644 DRM_COPY_FROM_USER_IOCTL( version, (drm_version_t *)data, sizeof(version) );
645
646#define DRM_COPY( name, value ) \
647 len = strlen( value ); \
648 if ( len > name##_len ) len = name##_len; \
649 name##_len = strlen( value ); \
650 if ( len && name ) { \
651 if ( DRM_COPY_TO_USER( name, value, len ) ) \
652 return DRM_ERR(EFAULT); \
653 }
654
655 version.version_major = dev->driver.major;
656 version.version_minor = dev->driver.minor;
657 version.version_patchlevel = dev->driver.patchlevel;
658
659 DRM_COPY(version.name, dev->driver.name);
660 DRM_COPY(version.date, dev->driver.date);
661 DRM_COPY(version.desc, dev->driver.desc);
662
663 DRM_COPY_TO_USER_IOCTL( (drm_version_t *)data, version, sizeof(version) );
664
665 return 0;
666}
667
668int drm_open(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
669{
670 drm_device_t *dev = NULL;
671 int retcode = 0;
672
673 dev = DRIVER_SOFTC(minor(kdev));
674
675 DRM_DEBUG( "open_count = %d\n", dev->open_count );
676
677 retcode = drm_open_helper(kdev, flags, fmt, p, dev);
678
679 if ( !retcode ) {
680 atomic_inc( &dev->counts[_DRM_STAT_OPENS] );
681 DRM_LOCK();
682#ifdef __FreeBSD__
683 device_busy(dev->device);
684#endif
685 if ( !dev->open_count++ )
686 retcode = drm_firstopen(dev);
687 DRM_UNLOCK();
688 }
689
690 return retcode;
691}
692
693int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
694{
695 drm_file_t *priv;
696 DRM_DEVICE;
697 int retcode = 0;
698 DRMFILE filp = (void *)(uintptr_t)(DRM_CURRENTPID);
699
700 DRM_DEBUG( "open_count = %d\n", dev->open_count );
701
702 DRM_LOCK();
703
704 priv = drm_find_file_by_proc(dev, p);
705 if (!priv) {
706 DRM_UNLOCK();
707 DRM_ERROR("can't find authenticator\n");
708 return EINVAL;
709 }
710
711 if (dev->driver.preclose != NULL)
712 dev->driver.preclose(dev, filp);
713
714 /* ========================================================
715 * Begin inline drm_release
716 */
717
718#ifdef __FreeBSD__
719 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
720 DRM_CURRENTPID, (long)dev->device, dev->open_count );
721#elif defined(__NetBSD__) || defined(__OpenBSD__)
722 DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n",
723 DRM_CURRENTPID, (long)&dev->device, dev->open_count);
724#endif
725
726 if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
727 && dev->lock.filp == filp) {
728 DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
729 DRM_CURRENTPID,
730 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
731 if (dev->driver.reclaim_buffers_locked != NULL)
732 dev->driver.reclaim_buffers_locked(dev, filp);
733
734 drm_lock_free(dev, &dev->lock.hw_lock->lock,
735 _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
736
737 /* FIXME: may require heavy-handed reset of
738 hardware at this point, possibly
739 processed via a callback to the X
740 server. */
741 } else if (dev->driver.reclaim_buffers_locked != NULL &&
742 dev->lock.hw_lock != NULL) {
743 /* The lock is required to reclaim buffers */
744 for (;;) {
745 if ( !dev->lock.hw_lock ) {
746 /* Device has been unregistered */
747 retcode = DRM_ERR(EINTR);
748 break;
749 }
750 if (drm_lock_take(&dev->lock.hw_lock->lock,
751 DRM_KERNEL_CONTEXT)) {
752 dev->lock.filp = filp;
753 dev->lock.lock_time = jiffies;
754 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
755 break; /* Got lock */
756 }
757 /* Contention */
758#if defined(__FreeBSD__) && __FreeBSD_version > 500000
759 retcode = msleep((void *)&dev->lock.lock_queue,
760 &dev->dev_lock, PZERO | PCATCH, "drmlk2", 0);
761#else
762 retcode = tsleep((void *)&dev->lock.lock_queue,
763 PZERO | PCATCH, "drmlk2", 0);
764#endif
765 if (retcode)
766 break;
767 }
768 if (retcode == 0) {
769 dev->driver.reclaim_buffers_locked(dev, filp);
770 drm_lock_free(dev, &dev->lock.hw_lock->lock,
771 DRM_KERNEL_CONTEXT);
772 }
773 }
774
775 if (dev->driver.use_dma && !dev->driver.reclaim_buffers_locked)
776 drm_reclaim_buffers(dev, filp);
777
778#if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
779 funsetown(&dev->buf_sigio);
780#elif defined(__FreeBSD__)
781 funsetown(dev->buf_sigio);
782#elif defined(__NetBSD__) || defined(__OpenBSD__)
783 dev->buf_pgid = 0;
784#endif /* __NetBSD__ || __OpenBSD__ */
785
786 if (--priv->refs == 0) {
787 if (dev->driver.postclose != NULL)
788 dev->driver.postclose(dev, priv);
789 TAILQ_REMOVE(&dev->files, priv, link);
790 free(priv, M_DRM);
791 }
792
793 /* ========================================================
794 * End inline drm_release
795 */
796
797 atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
798#ifdef __FreeBSD__
799 device_unbusy(dev->device);
800#endif
801 if (--dev->open_count == 0) {
802 retcode = drm_lastclose(dev);
803 }
804
805 DRM_UNLOCK();
806
807 return retcode;
808}
809
810/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm.
811 */
812int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags,
813 DRM_STRUCTPROC *p)
814{
815 DRM_DEVICE;
816 int retcode = 0;
817 drm_ioctl_desc_t *ioctl;
818 int (*func)(DRM_IOCTL_ARGS);
819 int nr = DRM_IOCTL_NR(cmd);
820 int is_driver_ioctl = 0;
821 drm_file_t *priv;
822 DRMFILE filp = (DRMFILE)(uintptr_t)DRM_CURRENTPID;
823
824 DRM_LOCK();
825 priv = drm_find_file_by_proc(dev, p);
826 DRM_UNLOCK();
827 if (priv == NULL) {
828 DRM_ERROR("can't find authenticator\n");
829 return EINVAL;
830 }
831
832 atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] );
833 ++priv->ioctl_count;
834
835#ifdef __FreeBSD__
836 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
837 DRM_CURRENTPID, cmd, nr, (long)dev->device, priv->authenticated );
838#elif defined(__NetBSD__) || defined(__OpenBSD__)
839 DRM_DEBUG( "pid=%d, cmd=0x%02lx, nr=0x%02x, dev 0x%lx, auth=%d\n",
840 DRM_CURRENTPID, cmd, nr, (long)&dev->device, priv->authenticated );
841#endif
842
843 switch (cmd) {
844 case FIONBIO:
845 case FIOASYNC:
846 return 0;
847
848#ifdef __FreeBSD__
849 case FIOSETOWN:
850 return fsetown(*(int *)data, &dev->buf_sigio);
851
852 case FIOGETOWN:
853#if (__FreeBSD_version >= 500000)
854 *(int *) data = fgetown(&dev->buf_sigio);
855#else
856 *(int *) data = fgetown(dev->buf_sigio);
857#endif
858 return 0;
859#endif /* __FreeBSD__ */
860#if defined(__NetBSD__) || defined(__OpenBSD__)
861 case TIOCSPGRP:
862 dev->buf_pgid = *(int *)data;
863 return 0;
864
865 case TIOCGPGRP:
866 *(int *)data = dev->buf_pgid;
867 return 0;
868#endif /* __NetBSD__ */
869 }
870
871 if (IOCGROUP(cmd) != DRM_IOCTL_BASE) {
872 DRM_DEBUG("Bad ioctl group 0x%x\n", (int)IOCGROUP(cmd));
873 return EINVAL;
874 }
875
876 ioctl = &drm_ioctls[nr];
877 /* It's not a core DRM ioctl, try driver-specific. */
878 if (ioctl->func == NULL && nr >= DRM_COMMAND_BASE) {
879 /* The array entries begin at DRM_COMMAND_BASE ioctl nr */
880 nr -= DRM_COMMAND_BASE;
881 if (nr > dev->driver.max_ioctl) {
882 DRM_DEBUG("Bad driver ioctl number, 0x%x (of 0x%x)\n",
883 nr, dev->driver.max_ioctl);
884 return EINVAL;
885 }
886 ioctl = &dev->driver.ioctls[nr];
887 is_driver_ioctl = 1;
888 }
889 func = ioctl->func;
890
891 if (func == NULL) {
892 DRM_DEBUG( "no function\n" );
893 return EINVAL;
894 }
895 /* ioctl->master check should be against something in the filp set up
896 * for the first opener, but it doesn't matter yet.
897 */
898 if (((ioctl->flags & DRM_ROOT_ONLY) && !DRM_SUSER(p)) ||
899 ((ioctl->flags & DRM_AUTH) && !priv->authenticated) ||
900 ((ioctl->flags & DRM_MASTER) && !priv->master))
901 return EACCES;
902
903 if (is_driver_ioctl)
904 DRM_LOCK();
905 retcode = func(kdev, cmd, data, flags, p, filp);
906 if (is_driver_ioctl)
907 DRM_UNLOCK();
908
909 if (retcode != 0)
910 DRM_DEBUG(" returning %d\n", retcode);
911
912 return DRM_ERR(retcode);
913}
914
915
916#if DRM_LINUX
917
918#include <sys/sysproto.h>
919
920MODULE_DEPEND(DRIVER_NAME, linux, 1, 1, 1);
921
922#define LINUX_IOCTL_DRM_MIN 0x6400
923#define LINUX_IOCTL_DRM_MAX 0x64ff
924
925static linux_ioctl_function_t drm_linux_ioctl;
926static struct linux_ioctl_handler drm_handler = {drm_linux_ioctl,
927 LINUX_IOCTL_DRM_MIN, LINUX_IOCTL_DRM_MAX};
928
929SYSINIT(drm_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
930 linux_ioctl_register_handler, &drm_handler);
931SYSUNINIT(drm_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
932 linux_ioctl_unregister_handler, &drm_handler);
933
934/* The bits for in/out are switched on Linux */
935#define LINUX_IOC_IN IOC_OUT
936#define LINUX_IOC_OUT IOC_IN
937
938static int
939drm_linux_ioctl(DRM_STRUCTPROC *p, struct linux_ioctl_args* args)
940{
941 int error;
942 int cmd = args->cmd;
943
944 args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT);
945 if (cmd & LINUX_IOC_IN)
946 args->cmd |= IOC_IN;
947 if (cmd & LINUX_IOC_OUT)
948 args->cmd |= IOC_OUT;
949
950 error = ioctl(p, (struct ioctl_args *)args);
951
952 return error;
953}
954#endif /* DRM_LINUX */
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