1 /* $NetBSD: nouveau_nvkm_engine_disp_channv50.c,v 1.6 2021/12/18 23:45:35 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs 25 */ 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_channv50.c,v 1.6 2021/12/18 23:45:35 riastradh Exp $"); 28 29 #include "channv50.h" 30 #include "rootnv50.h" 31 32 #include <core/client.h> 33 #include <core/notify.h> 34 #include <core/oproxy.h> 35 #include <core/ramht.h> 36 #include <engine/dma.h> 37 38 #include <nvif/cl507d.h> 39 #include <nvif/event.h> 40 #include <nvif/unpack.h> 41 42 static void 43 nv50_disp_mthd_list(struct nv50_disp *disp, int debug, u32 base, int c, 44 const struct nv50_disp_mthd_list *list, int inst) 45 { 46 struct nvkm_subdev *subdev = &disp->base.engine.subdev; 47 struct nvkm_device *device = subdev->device; 48 int i; 49 50 for (i = 0; list->data[i].mthd; i++) { 51 if (list->data[i].addr) { 52 u32 next = nvkm_rd32(device, list->data[i].addr + base + 0); 53 u32 prev = nvkm_rd32(device, list->data[i].addr + base + c); 54 u32 mthd = list->data[i].mthd + (list->mthd * inst); 55 const char *name = list->data[i].name; 56 char mods[16]; 57 58 if (prev != next) 59 snprintf(mods, sizeof(mods), "-> %08x", next); 60 else 61 snprintf(mods, sizeof(mods), "%13c", ' '); 62 63 nvkm_printk_(subdev, debug, info, 64 "\t%04x: %08x %s%s%s\n", 65 mthd, prev, mods, name ? " // " : "", 66 name ? name : ""); 67 } 68 } 69 } 70 71 void 72 nv50_disp_chan_mthd(struct nv50_disp_chan *chan, int debug) 73 { 74 struct nv50_disp *disp = chan->disp; 75 struct nvkm_subdev *subdev = &disp->base.engine.subdev; 76 const struct nv50_disp_chan_mthd *mthd = chan->mthd; 77 const struct nv50_disp_mthd_list *list; 78 int i, j; 79 80 if (debug > subdev->debug) 81 return; 82 if (!mthd) 83 return; 84 85 for (i = 0; (list = mthd->data[i].mthd) != NULL; i++) { 86 u32 base = chan->head * mthd->addr; 87 for (j = 0; j < mthd->data[i].nr; j++, base += list->addr) { 88 const char *cname = mthd->name; 89 const char *sname = ""; 90 char cname_[16], sname_[16]; 91 92 if (mthd->addr) { 93 snprintf(cname_, sizeof(cname_), "%s %d", 94 mthd->name, chan->chid.user); 95 cname = cname_; 96 } 97 98 if (mthd->data[i].nr > 1) { 99 snprintf(sname_, sizeof(sname_), " - %s %d", 100 mthd->data[i].name, j); 101 sname = sname_; 102 } 103 104 nvkm_printk_(subdev, debug, info, "%s%s:\n", cname, sname); 105 nv50_disp_mthd_list(disp, debug, base, mthd->prev, 106 list, j); 107 } 108 } 109 } 110 111 static void 112 nv50_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index) 113 { 114 struct nv50_disp *disp = container_of(event, typeof(*disp), uevent); 115 struct nvkm_device *device = disp->base.engine.subdev.device; 116 nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000000 << index); 117 nvkm_wr32(device, 0x610020, 0x00000001 << index); 118 } 119 120 static void 121 nv50_disp_chan_uevent_init(struct nvkm_event *event, int types, int index) 122 { 123 struct nv50_disp *disp = container_of(event, typeof(*disp), uevent); 124 struct nvkm_device *device = disp->base.engine.subdev.device; 125 nvkm_wr32(device, 0x610020, 0x00000001 << index); 126 nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000001 << index); 127 } 128 129 void 130 nv50_disp_chan_uevent_send(struct nv50_disp *disp, int chid) 131 { 132 struct nvif_notify_uevent_rep { 133 } rep; 134 135 nvkm_event_send(&disp->uevent, 1, chid, &rep, sizeof(rep)); 136 } 137 138 int 139 nv50_disp_chan_uevent_ctor(struct nvkm_object *object, void *data, u32 size, 140 struct nvkm_notify *notify) 141 { 142 struct nv50_disp_chan *chan = nv50_disp_chan(object); 143 union { 144 struct nvif_notify_uevent_req none; 145 } *args = data; 146 int ret = -ENOSYS; 147 148 if (!(ret = nvif_unvers(ret, &data, &size, args->none))) { 149 notify->size = sizeof(struct nvif_notify_uevent_rep); 150 notify->types = 1; 151 notify->index = chan->chid.user; 152 return 0; 153 } 154 155 return ret; 156 } 157 158 const struct nvkm_event_func 159 nv50_disp_chan_uevent = { 160 .ctor = nv50_disp_chan_uevent_ctor, 161 .init = nv50_disp_chan_uevent_init, 162 .fini = nv50_disp_chan_uevent_fini, 163 }; 164 165 u64 166 nv50_disp_chan_user(struct nv50_disp_chan *chan, u64 *psize) 167 { 168 *psize = 0x1000; 169 return 0x640000 + (chan->chid.user * 0x1000); 170 } 171 172 void 173 nv50_disp_chan_intr(struct nv50_disp_chan *chan, bool en) 174 { 175 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 176 const u32 mask = 0x00010001 << chan->chid.user; 177 const u32 data = en ? 0x00010000 << chan->chid.user : 0x00000000; 178 nvkm_mask(device, 0x610028, mask, data); 179 } 180 181 static int 182 nv50_disp_chan_rd32(struct nvkm_object *object, u64 addr, u32 *data) 183 { 184 struct nv50_disp_chan *chan = nv50_disp_chan(object); 185 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 186 u64 size, base = chan->func->user(chan, &size); 187 *data = nvkm_rd32(device, base + addr); 188 return 0; 189 } 190 191 static int 192 nv50_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data) 193 { 194 struct nv50_disp_chan *chan = nv50_disp_chan(object); 195 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 196 u64 size, base = chan->func->user(chan, &size); 197 nvkm_wr32(device, base + addr, data); 198 return 0; 199 } 200 201 static int 202 nv50_disp_chan_ntfy(struct nvkm_object *object, u32 type, 203 struct nvkm_event **pevent) 204 { 205 struct nv50_disp_chan *chan = nv50_disp_chan(object); 206 struct nv50_disp *disp = chan->disp; 207 switch (type) { 208 case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT: 209 *pevent = &disp->uevent; 210 return 0; 211 default: 212 break; 213 } 214 return -EINVAL; 215 } 216 217 static int 218 #ifdef __NetBSD__ 219 nv50_disp_chan_map(struct nvkm_object *object, void *argv, u32 argc, 220 enum nvkm_object_map *type, bus_space_tag_t *tagp, 221 u64 *addr, u64 *size) 222 #else 223 nv50_disp_chan_map(struct nvkm_object *object, void *argv, u32 argc, 224 enum nvkm_object_map *type, u64 *addr, u64 *size) 225 #endif 226 { 227 struct nv50_disp_chan *chan = nv50_disp_chan(object); 228 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 229 const u64 base = device->func->resource_addr(device, 0); 230 #ifdef __NetBSD__ 231 *tagp = device->func->resource_tag(device, 0); 232 #endif 233 *type = NVKM_OBJECT_MAP_IO; 234 *addr = base + chan->func->user(chan, size); 235 return 0; 236 } 237 238 struct nv50_disp_chan_object { 239 struct nvkm_oproxy oproxy; 240 struct nv50_disp *disp; 241 int hash; 242 }; 243 244 static void 245 nv50_disp_chan_child_del_(struct nvkm_oproxy *base) 246 { 247 struct nv50_disp_chan_object *object = 248 container_of(base, typeof(*object), oproxy); 249 nvkm_ramht_remove(object->disp->ramht, object->hash); 250 } 251 252 static const struct nvkm_oproxy_func 253 nv50_disp_chan_child_func_ = { 254 .dtor[0] = nv50_disp_chan_child_del_, 255 }; 256 257 static int 258 nv50_disp_chan_child_new(const struct nvkm_oclass *oclass, 259 void *argv, u32 argc, struct nvkm_object **pobject) 260 { 261 struct nv50_disp_chan *chan = nv50_disp_chan(oclass->parent); 262 struct nv50_disp *disp = chan->disp; 263 struct nvkm_device *device = disp->base.engine.subdev.device; 264 const struct nvkm_device_oclass *sclass = oclass->priv; 265 struct nv50_disp_chan_object *object; 266 int ret; 267 268 if (!(object = kzalloc(sizeof(*object), GFP_KERNEL))) 269 return -ENOMEM; 270 nvkm_oproxy_ctor(&nv50_disp_chan_child_func_, oclass, &object->oproxy); 271 object->disp = disp; 272 *pobject = &object->oproxy.base; 273 274 ret = sclass->ctor(device, oclass, argv, argc, &object->oproxy.object); 275 if (ret) 276 return ret; 277 278 object->hash = chan->func->bind(chan, object->oproxy.object, 279 oclass->handle); 280 if (object->hash < 0) 281 return object->hash; 282 283 return 0; 284 } 285 286 static int 287 nv50_disp_chan_child_get(struct nvkm_object *object, int index, 288 struct nvkm_oclass *sclass) 289 { 290 struct nv50_disp_chan *chan = nv50_disp_chan(object); 291 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 292 const struct nvkm_device_oclass *oclass = NULL; 293 294 if (chan->func->bind) 295 sclass->engine = nvkm_device_engine(device, NVKM_ENGINE_DMAOBJ); 296 else 297 sclass->engine = NULL; 298 299 if (sclass->engine && sclass->engine->func->base.sclass) { 300 sclass->engine->func->base.sclass(sclass, index, &oclass); 301 if (oclass) { 302 sclass->ctor = nv50_disp_chan_child_new, 303 sclass->priv = oclass; 304 return 0; 305 } 306 } 307 308 return -EINVAL; 309 } 310 311 static int 312 nv50_disp_chan_fini(struct nvkm_object *object, bool suspend) 313 { 314 struct nv50_disp_chan *chan = nv50_disp_chan(object); 315 chan->func->fini(chan); 316 chan->func->intr(chan, false); 317 return 0; 318 } 319 320 static int 321 nv50_disp_chan_init(struct nvkm_object *object) 322 { 323 struct nv50_disp_chan *chan = nv50_disp_chan(object); 324 chan->func->intr(chan, true); 325 return chan->func->init(chan); 326 } 327 328 static void * 329 nv50_disp_chan_dtor(struct nvkm_object *object) 330 { 331 struct nv50_disp_chan *chan = nv50_disp_chan(object); 332 struct nv50_disp *disp = chan->disp; 333 if (chan->chid.user >= 0) 334 disp->chan[chan->chid.user] = NULL; 335 nvkm_memory_unref(&chan->memory); 336 return chan; 337 } 338 339 static const struct nvkm_object_func 340 nv50_disp_chan = { 341 .dtor = nv50_disp_chan_dtor, 342 .init = nv50_disp_chan_init, 343 .fini = nv50_disp_chan_fini, 344 .rd32 = nv50_disp_chan_rd32, 345 .wr32 = nv50_disp_chan_wr32, 346 .ntfy = nv50_disp_chan_ntfy, 347 .map = nv50_disp_chan_map, 348 .sclass = nv50_disp_chan_child_get, 349 }; 350 351 int 352 nv50_disp_chan_new_(const struct nv50_disp_chan_func *func, 353 const struct nv50_disp_chan_mthd *mthd, 354 struct nv50_disp *disp, int ctrl, int user, int head, 355 const struct nvkm_oclass *oclass, 356 struct nvkm_object **pobject) 357 { 358 struct nv50_disp_chan *chan; 359 360 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) 361 return -ENOMEM; 362 *pobject = &chan->object; 363 364 nvkm_object_ctor(&nv50_disp_chan, oclass, &chan->object); 365 chan->func = func; 366 chan->mthd = mthd; 367 chan->disp = disp; 368 chan->chid.ctrl = ctrl; 369 chan->chid.user = user; 370 chan->head = head; 371 372 if (disp->chan[chan->chid.user]) { 373 chan->chid.user = -1; 374 return -EBUSY; 375 } 376 disp->chan[chan->chid.user] = chan; 377 return 0; 378 } 379
Indexes created Thu Oct 02 01:09:59 GMT 2025