channv50.c (10120B)
1/* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24#include "channv50.h" 25#include "rootnv50.h" 26 27#include <core/client.h> 28#include <core/notify.h> 29#include <core/oproxy.h> 30#include <core/ramht.h> 31#include <engine/dma.h> 32 33#include <nvif/cl507d.h> 34#include <nvif/event.h> 35#include <nvif/unpack.h> 36 37static void 38nv50_disp_mthd_list(struct nv50_disp *disp, int debug, u32 base, int c, 39 const struct nv50_disp_mthd_list *list, int inst) 40{ 41 struct nvkm_subdev *subdev = &disp->base.engine.subdev; 42 struct nvkm_device *device = subdev->device; 43 int i; 44 45 for (i = 0; list->data[i].mthd; i++) { 46 if (list->data[i].addr) { 47 u32 next = nvkm_rd32(device, list->data[i].addr + base + 0); 48 u32 prev = nvkm_rd32(device, list->data[i].addr + base + c); 49 u32 mthd = list->data[i].mthd + (list->mthd * inst); 50 const char *name = list->data[i].name; 51 char mods[16]; 52 53 if (prev != next) 54 snprintf(mods, sizeof(mods), "-> %08x", next); 55 else 56 snprintf(mods, sizeof(mods), "%13c", ' '); 57 58 nvkm_printk_(subdev, debug, info, 59 "\t%04x: %08x %s%s%s\n", 60 mthd, prev, mods, name ? " // " : "", 61 name ? name : ""); 62 } 63 } 64} 65 66void 67nv50_disp_chan_mthd(struct nv50_disp_chan *chan, int debug) 68{ 69 struct nv50_disp *disp = chan->disp; 70 struct nvkm_subdev *subdev = &disp->base.engine.subdev; 71 const struct nv50_disp_chan_mthd *mthd = chan->mthd; 72 const struct nv50_disp_mthd_list *list; 73 int i, j; 74 75 if (debug > subdev->debug) 76 return; 77 if (!mthd) 78 return; 79 80 for (i = 0; (list = mthd->data[i].mthd) != NULL; i++) { 81 u32 base = chan->head * mthd->addr; 82 for (j = 0; j < mthd->data[i].nr; j++, base += list->addr) { 83 const char *cname = mthd->name; 84 const char *sname = ""; 85 char cname_[16], sname_[16]; 86 87 if (mthd->addr) { 88 snprintf(cname_, sizeof(cname_), "%s %d", 89 mthd->name, chan->chid.user); 90 cname = cname_; 91 } 92 93 if (mthd->data[i].nr > 1) { 94 snprintf(sname_, sizeof(sname_), " - %s %d", 95 mthd->data[i].name, j); 96 sname = sname_; 97 } 98 99 nvkm_printk_(subdev, debug, info, "%s%s:\n", cname, sname); 100 nv50_disp_mthd_list(disp, debug, base, mthd->prev, 101 list, j); 102 } 103 } 104} 105 106static void 107nv50_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index) 108{ 109 struct nv50_disp *disp = container_of(event, typeof(*disp), uevent); 110 struct nvkm_device *device = disp->base.engine.subdev.device; 111 nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000000 << index); 112 nvkm_wr32(device, 0x610020, 0x00000001 << index); 113} 114 115static void 116nv50_disp_chan_uevent_init(struct nvkm_event *event, int types, int index) 117{ 118 struct nv50_disp *disp = container_of(event, typeof(*disp), uevent); 119 struct nvkm_device *device = disp->base.engine.subdev.device; 120 nvkm_wr32(device, 0x610020, 0x00000001 << index); 121 nvkm_mask(device, 0x610028, 0x00000001 << index, 0x00000001 << index); 122} 123 124void 125nv50_disp_chan_uevent_send(struct nv50_disp *disp, int chid) 126{ 127 struct nvif_notify_uevent_rep { 128 } rep; 129 130 nvkm_event_send(&disp->uevent, 1, chid, &rep, sizeof(rep)); 131} 132 133int 134nv50_disp_chan_uevent_ctor(struct nvkm_object *object, void *data, u32 size, 135 struct nvkm_notify *notify) 136{ 137 struct nv50_disp_chan *chan = nv50_disp_chan(object); 138 union { 139 struct nvif_notify_uevent_req none; 140 } *args = data; 141 int ret = -ENOSYS; 142 143 if (!(ret = nvif_unvers(ret, &data, &size, args->none))) { 144 notify->size = sizeof(struct nvif_notify_uevent_rep); 145 notify->types = 1; 146 notify->index = chan->chid.user; 147 return 0; 148 } 149 150 return ret; 151} 152 153const struct nvkm_event_func 154nv50_disp_chan_uevent = { 155 .ctor = nv50_disp_chan_uevent_ctor, 156 .init = nv50_disp_chan_uevent_init, 157 .fini = nv50_disp_chan_uevent_fini, 158}; 159 160u64 161nv50_disp_chan_user(struct nv50_disp_chan *chan, u64 *psize) 162{ 163 *psize = 0x1000; 164 return 0x640000 + (chan->chid.user * 0x1000); 165} 166 167void 168nv50_disp_chan_intr(struct nv50_disp_chan *chan, bool en) 169{ 170 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 171 const u32 mask = 0x00010001 << chan->chid.user; 172 const u32 data = en ? 0x00010000 << chan->chid.user : 0x00000000; 173 nvkm_mask(device, 0x610028, mask, data); 174} 175 176static int 177nv50_disp_chan_rd32(struct nvkm_object *object, u64 addr, u32 *data) 178{ 179 struct nv50_disp_chan *chan = nv50_disp_chan(object); 180 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 181 u64 size, base = chan->func->user(chan, &size); 182 *data = nvkm_rd32(device, base + addr); 183 return 0; 184} 185 186static int 187nv50_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data) 188{ 189 struct nv50_disp_chan *chan = nv50_disp_chan(object); 190 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 191 u64 size, base = chan->func->user(chan, &size); 192 nvkm_wr32(device, base + addr, data); 193 return 0; 194} 195 196static int 197nv50_disp_chan_ntfy(struct nvkm_object *object, u32 type, 198 struct nvkm_event **pevent) 199{ 200 struct nv50_disp_chan *chan = nv50_disp_chan(object); 201 struct nv50_disp *disp = chan->disp; 202 switch (type) { 203 case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT: 204 *pevent = &disp->uevent; 205 return 0; 206 default: 207 break; 208 } 209 return -EINVAL; 210} 211 212static int 213nv50_disp_chan_map(struct nvkm_object *object, void *argv, u32 argc, 214 enum nvkm_object_map *type, u64 *addr, u64 *size) 215{ 216 struct nv50_disp_chan *chan = nv50_disp_chan(object); 217 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 218 const u64 base = device->func->resource_addr(device, 0); 219 *type = NVKM_OBJECT_MAP_IO; 220 *addr = base + chan->func->user(chan, size); 221 return 0; 222} 223 224struct nv50_disp_chan_object { 225 struct nvkm_oproxy oproxy; 226 struct nv50_disp *disp; 227 int hash; 228}; 229 230static void 231nv50_disp_chan_child_del_(struct nvkm_oproxy *base) 232{ 233 struct nv50_disp_chan_object *object = 234 container_of(base, typeof(*object), oproxy); 235 nvkm_ramht_remove(object->disp->ramht, object->hash); 236} 237 238static const struct nvkm_oproxy_func 239nv50_disp_chan_child_func_ = { 240 .dtor[0] = nv50_disp_chan_child_del_, 241}; 242 243static int 244nv50_disp_chan_child_new(const struct nvkm_oclass *oclass, 245 void *argv, u32 argc, struct nvkm_object **pobject) 246{ 247 struct nv50_disp_chan *chan = nv50_disp_chan(oclass->parent); 248 struct nv50_disp *disp = chan->disp; 249 struct nvkm_device *device = disp->base.engine.subdev.device; 250 const struct nvkm_device_oclass *sclass = oclass->priv; 251 struct nv50_disp_chan_object *object; 252 int ret; 253 254 if (!(object = kzalloc(sizeof(*object), GFP_KERNEL))) 255 return -ENOMEM; 256 nvkm_oproxy_ctor(&nv50_disp_chan_child_func_, oclass, &object->oproxy); 257 object->disp = disp; 258 *pobject = &object->oproxy.base; 259 260 ret = sclass->ctor(device, oclass, argv, argc, &object->oproxy.object); 261 if (ret) 262 return ret; 263 264 object->hash = chan->func->bind(chan, object->oproxy.object, 265 oclass->handle); 266 if (object->hash < 0) 267 return object->hash; 268 269 return 0; 270} 271 272static int 273nv50_disp_chan_child_get(struct nvkm_object *object, int index, 274 struct nvkm_oclass *sclass) 275{ 276 struct nv50_disp_chan *chan = nv50_disp_chan(object); 277 struct nvkm_device *device = chan->disp->base.engine.subdev.device; 278 const struct nvkm_device_oclass *oclass = NULL; 279 280 if (chan->func->bind) 281 sclass->engine = nvkm_device_engine(device, NVKM_ENGINE_DMAOBJ, 0); 282 else 283 sclass->engine = NULL; 284 285 if (sclass->engine && sclass->engine->func->base.sclass) { 286 sclass->engine->func->base.sclass(sclass, index, &oclass); 287 if (oclass) { 288 sclass->ctor = nv50_disp_chan_child_new, 289 sclass->priv = oclass; 290 return 0; 291 } 292 } 293 294 return -EINVAL; 295} 296 297static int 298nv50_disp_chan_fini(struct nvkm_object *object, bool suspend) 299{ 300 struct nv50_disp_chan *chan = nv50_disp_chan(object); 301 chan->func->fini(chan); 302 chan->func->intr(chan, false); 303 return 0; 304} 305 306static int 307nv50_disp_chan_init(struct nvkm_object *object) 308{ 309 struct nv50_disp_chan *chan = nv50_disp_chan(object); 310 chan->func->intr(chan, true); 311 return chan->func->init(chan); 312} 313 314static void * 315nv50_disp_chan_dtor(struct nvkm_object *object) 316{ 317 struct nv50_disp_chan *chan = nv50_disp_chan(object); 318 struct nv50_disp *disp = chan->disp; 319 if (chan->chid.user >= 0) 320 disp->chan[chan->chid.user] = NULL; 321 nvkm_memory_unref(&chan->memory); 322 return chan; 323} 324 325static const struct nvkm_object_func 326nv50_disp_chan = { 327 .dtor = nv50_disp_chan_dtor, 328 .init = nv50_disp_chan_init, 329 .fini = nv50_disp_chan_fini, 330 .rd32 = nv50_disp_chan_rd32, 331 .wr32 = nv50_disp_chan_wr32, 332 .ntfy = nv50_disp_chan_ntfy, 333 .map = nv50_disp_chan_map, 334 .sclass = nv50_disp_chan_child_get, 335}; 336 337int 338nv50_disp_chan_new_(const struct nv50_disp_chan_func *func, 339 const struct nv50_disp_chan_mthd *mthd, 340 struct nv50_disp *disp, int ctrl, int user, int head, 341 const struct nvkm_oclass *oclass, 342 struct nvkm_object **pobject) 343{ 344 struct nv50_disp_chan *chan; 345 346 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) 347 return -ENOMEM; 348 *pobject = &chan->object; 349 350 nvkm_object_ctor(&nv50_disp_chan, oclass, &chan->object); 351 chan->func = func; 352 chan->mthd = mthd; 353 chan->disp = disp; 354 chan->chid.ctrl = ctrl; 355 chan->chid.user = user; 356 chan->head = head; 357 358 if (disp->chan[chan->chid.user]) { 359 chan->chid.user = -1; 360 return -EBUSY; 361 } 362 disp->chan[chan->chid.user] = chan; 363 return 0; 364}