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24#define nvkm_udevice(p) container_of((p), struct nvkm_udevice, object)
25#include "priv.h"
26#include "ctrl.h"
27
28#include <core/client.h>
29#include <subdev/fb.h>
30#include <subdev/instmem.h>
31#include <subdev/timer.h>
32
33#include <nvif/class.h>
34#include <nvif/cl0080.h>
35#include <nvif/unpack.h>
36
37struct nvkm_udevice {
38 struct nvkm_object object;
39 struct nvkm_device *device;
40};
41
42static int
43nvkm_udevice_info_subdev(struct nvkm_device *device, u64 mthd, u64 *data)
44{
45 struct nvkm_subdev *subdev;
46 enum nvkm_devidx subidx;
47
48 switch (mthd & NV_DEVICE_INFO_UNIT) {
49 case NV_DEVICE_FIFO(0): subidx = NVKM_ENGINE_FIFO; break;
50 default:
51 return -EINVAL;
52 }
53
54 subdev = nvkm_device_subdev(device, subidx);
55 if (subdev)
56 return nvkm_subdev_info(subdev, mthd, data);
57 return -ENODEV;
58}
59
60static void
61nvkm_udevice_info_v1(struct nvkm_device *device,
62 struct nv_device_info_v1_data *args)
63{
64 if (args->mthd & NV_DEVICE_INFO_UNIT) {
65 if (nvkm_udevice_info_subdev(device, args->mthd, &args->data))
66 args->mthd = NV_DEVICE_INFO_INVALID;
67 return;
68 }
69
70 switch (args->mthd) {
71#define ENGINE__(A,B,C) NV_DEVICE_INFO_ENGINE_##A: { int _i; \
72 for (_i = (B), args->data = 0ULL; _i <= (C); _i++) { \
73 if (nvkm_device_engine(device, _i)) \
74 args->data |= BIT_ULL(_i); \
75 } \
76}
77#define ENGINE_A(A) ENGINE__(A, NVKM_ENGINE_##A , NVKM_ENGINE_##A)
78#define ENGINE_B(A) ENGINE__(A, NVKM_ENGINE_##A##0, NVKM_ENGINE_##A##_LAST)
79 case ENGINE_A(SW ); break;
80 case ENGINE_A(GR ); break;
81 case ENGINE_A(MPEG ); break;
82 case ENGINE_A(ME ); break;
83 case ENGINE_A(CIPHER); break;
84 case ENGINE_A(BSP ); break;
85 case ENGINE_A(VP ); break;
86 case ENGINE_B(CE ); break;
87 case ENGINE_A(SEC ); break;
88 case ENGINE_A(MSVLD ); break;
89 case ENGINE_A(MSPDEC); break;
90 case ENGINE_A(MSPPP ); break;
91 case ENGINE_A(MSENC ); break;
92 case ENGINE_A(VIC ); break;
93 case ENGINE_A(SEC2 ); break;
94 case ENGINE_B(NVDEC ); break;
95 case ENGINE_B(NVENC ); break;
96 default:
97 args->mthd = NV_DEVICE_INFO_INVALID;
98 break;
99 }
100}
101
102static int
103nvkm_udevice_info(struct nvkm_udevice *udev, void *data, u32 size)
104{
105 struct nvkm_object *object = &udev->object;
106 struct nvkm_device *device = udev->device;
107 struct nvkm_fb *fb = device->fb;
108 struct nvkm_instmem *imem = device->imem;
109 union {
110 struct nv_device_info_v0 v0;
111 struct nv_device_info_v1 v1;
112 } *args = data;
113 int ret = -ENOSYS, i;
114
115 nvif_ioctl(object, "device info size %d\n", size);
116 if (!(ret = nvif_unpack(ret, &data, &size, args->v1, 1, 1, true))) {
117 nvif_ioctl(object, "device info vers %d count %d\n",
118 args->v1.version, args->v1.count);
119 if (args->v1.count * sizeof(args->v1.data[0]) == size) {
120 for (i = 0; i < args->v1.count; i++)
121 nvkm_udevice_info_v1(device, &args->v1.data[i]);
122 return 0;
123 }
124 return -EINVAL;
125 } else
126 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
127 nvif_ioctl(object, "device info vers %d\n", args->v0.version);
128 } else
129 return ret;
130
131 switch (device->chipset) {
132 case 0x01a:
133 case 0x01f:
134 case 0x04c:
135 case 0x04e:
136 case 0x063:
137 case 0x067:
138 case 0x068:
139 case 0x0aa:
140 case 0x0ac:
141 case 0x0af:
142 args->v0.platform = NV_DEVICE_INFO_V0_IGP;
143 break;
144 default:
145 switch (device->type) {
146 case NVKM_DEVICE_PCI:
147 args->v0.platform = NV_DEVICE_INFO_V0_PCI;
148 break;
149 case NVKM_DEVICE_AGP:
150 args->v0.platform = NV_DEVICE_INFO_V0_AGP;
151 break;
152 case NVKM_DEVICE_PCIE:
153 args->v0.platform = NV_DEVICE_INFO_V0_PCIE;
154 break;
155 case NVKM_DEVICE_TEGRA:
156 args->v0.platform = NV_DEVICE_INFO_V0_SOC;
157 break;
158 default:
159 WARN_ON(1);
160 break;
161 }
162 break;
163 }
164
165 switch (device->card_type) {
166 case NV_04: args->v0.family = NV_DEVICE_INFO_V0_TNT; break;
167 case NV_10:
168 case NV_11: args->v0.family = NV_DEVICE_INFO_V0_CELSIUS; break;
169 case NV_20: args->v0.family = NV_DEVICE_INFO_V0_KELVIN; break;
170 case NV_30: args->v0.family = NV_DEVICE_INFO_V0_RANKINE; break;
171 case NV_40: args->v0.family = NV_DEVICE_INFO_V0_CURIE; break;
172 case NV_50: args->v0.family = NV_DEVICE_INFO_V0_TESLA; break;
173 case NV_C0: args->v0.family = NV_DEVICE_INFO_V0_FERMI; break;
174 case NV_E0: args->v0.family = NV_DEVICE_INFO_V0_KEPLER; break;
175 case GM100: args->v0.family = NV_DEVICE_INFO_V0_MAXWELL; break;
176 case GP100: args->v0.family = NV_DEVICE_INFO_V0_PASCAL; break;
177 case GV100: args->v0.family = NV_DEVICE_INFO_V0_VOLTA; break;
178 case TU100: args->v0.family = NV_DEVICE_INFO_V0_TURING; break;
179 default:
180 args->v0.family = 0;
181 break;
182 }
183
184 args->v0.chipset = device->chipset;
185 args->v0.revision = device->chiprev;
186 if (fb && fb->ram)
187 args->v0.ram_size = args->v0.ram_user = fb->ram->size;
188 else
189 args->v0.ram_size = args->v0.ram_user = 0;
190 if (imem && args->v0.ram_size > 0)
191 args->v0.ram_user = args->v0.ram_user - imem->reserved;
192
193 strncpy(args->v0.chip, device->chip->name, sizeof(args->v0.chip));
194 strncpy(args->v0.name, device->name, sizeof(args->v0.name));
195 return 0;
196}
197
198static int
199nvkm_udevice_time(struct nvkm_udevice *udev, void *data, u32 size)
200{
201 struct nvkm_object *object = &udev->object;
202 struct nvkm_device *device = udev->device;
203 union {
204 struct nv_device_time_v0 v0;
205 } *args = data;
206 int ret = -ENOSYS;
207
208 nvif_ioctl(object, "device time size %d\n", size);
209 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
210 nvif_ioctl(object, "device time vers %d\n", args->v0.version);
211 args->v0.time = nvkm_timer_read(device->timer);
212 }
213
214 return ret;
215}
216
217static int
218nvkm_udevice_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
219{
220 struct nvkm_udevice *udev = nvkm_udevice(object);
221 nvif_ioctl(object, "device mthd %08x\n", mthd);
222 switch (mthd) {
223 case NV_DEVICE_V0_INFO:
224 return nvkm_udevice_info(udev, data, size);
225 case NV_DEVICE_V0_TIME:
226 return nvkm_udevice_time(udev, data, size);
227 default:
228 break;
229 }
230 return -EINVAL;
231}
232
233static int
234nvkm_udevice_rd08(struct nvkm_object *object, u64 addr, u8 *data)
235{
236 struct nvkm_udevice *udev = nvkm_udevice(object);
237 *data = nvkm_rd08(udev->device, addr);
238 return 0;
239}
240
241static int
242nvkm_udevice_rd16(struct nvkm_object *object, u64 addr, u16 *data)
243{
244 struct nvkm_udevice *udev = nvkm_udevice(object);
245 *data = nvkm_rd16(udev->device, addr);
246 return 0;
247}
248
249static int
250nvkm_udevice_rd32(struct nvkm_object *object, u64 addr, u32 *data)
251{
252 struct nvkm_udevice *udev = nvkm_udevice(object);
253 *data = nvkm_rd32(udev->device, addr);
254 return 0;
255}
256
257static int
258nvkm_udevice_wr08(struct nvkm_object *object, u64 addr, u8 data)
259{
260 struct nvkm_udevice *udev = nvkm_udevice(object);
261 nvkm_wr08(udev->device, addr, data);
262 return 0;
263}
264
265static int
266nvkm_udevice_wr16(struct nvkm_object *object, u64 addr, u16 data)
267{
268 struct nvkm_udevice *udev = nvkm_udevice(object);
269 nvkm_wr16(udev->device, addr, data);
270 return 0;
271}
272
273static int
274nvkm_udevice_wr32(struct nvkm_object *object, u64 addr, u32 data)
275{
276 struct nvkm_udevice *udev = nvkm_udevice(object);
277 nvkm_wr32(udev->device, addr, data);
278 return 0;
279}
280
281static int
282nvkm_udevice_map(struct nvkm_object *object, void *argv, u32 argc,
283 enum nvkm_object_map *type, u64 *addr, u64 *size)
284{
285 struct nvkm_udevice *udev = nvkm_udevice(object);
286 struct nvkm_device *device = udev->device;
287 *type = NVKM_OBJECT_MAP_IO;
288 *addr = device->func->resource_addr(device, 0);
289 *size = device->func->resource_size(device, 0);
290 return 0;
291}
292
293static int
294nvkm_udevice_fini(struct nvkm_object *object, bool suspend)
295{
296 struct nvkm_udevice *udev = nvkm_udevice(object);
297 struct nvkm_device *device = udev->device;
298 int ret = 0;
299
300 mutex_lock(&device->mutex);
301 if (!--device->refcount) {
302 ret = nvkm_device_fini(device, suspend);
303 if (ret && suspend) {
304 device->refcount++;
305 goto done;
306 }
307 }
308
309done:
310 mutex_unlock(&device->mutex);
311 return ret;
312}
313
314static int
315nvkm_udevice_init(struct nvkm_object *object)
316{
317 struct nvkm_udevice *udev = nvkm_udevice(object);
318 struct nvkm_device *device = udev->device;
319 int ret = 0;
320
321 mutex_lock(&device->mutex);
322 if (!device->refcount++) {
323 ret = nvkm_device_init(device);
324 if (ret) {
325 device->refcount--;
326 goto done;
327 }
328 }
329
330done:
331 mutex_unlock(&device->mutex);
332 return ret;
333}
334
335static int
336nvkm_udevice_child_new(const struct nvkm_oclass *oclass,
337 void *data, u32 size, struct nvkm_object **pobject)
338{
339 struct nvkm_udevice *udev = nvkm_udevice(oclass->parent);
340 const struct nvkm_device_oclass *sclass = oclass->priv;
341 return sclass->ctor(udev->device, oclass, data, size, pobject);
342}
343
344static int
345nvkm_udevice_child_get(struct nvkm_object *object, int index,
346 struct nvkm_oclass *oclass)
347{
348 struct nvkm_udevice *udev = nvkm_udevice(object);
349 struct nvkm_device *device = udev->device;
350 struct nvkm_engine *engine;
351 u64 mask = (1ULL << NVKM_ENGINE_DMAOBJ) |
352 (1ULL << NVKM_ENGINE_FIFO) |
353 (1ULL << NVKM_ENGINE_DISP) |
354 (1ULL << NVKM_ENGINE_PM);
355 const struct nvkm_device_oclass *sclass = NULL;
356 int i;
357
358 for (; i = __ffs64(mask), mask && !sclass; mask &= ~(1ULL << i)) {
359 if (!(engine = nvkm_device_engine(device, i)) ||
360 !(engine->func->base.sclass))
361 continue;
362 oclass->engine = engine;
363
364 index -= engine->func->base.sclass(oclass, index, &sclass);
365 }
366
367 if (!sclass) {
368 if (index-- == 0)
369 sclass = &nvkm_control_oclass;
370 else if (device->mmu && index-- == 0)
371 sclass = &device->mmu->user;
372 else if (device->fault && index-- == 0)
373 sclass = &device->fault->user;
374 else
375 return -EINVAL;
376
377 oclass->base = sclass->base;
378 }
379
380 oclass->ctor = nvkm_udevice_child_new;
381 oclass->priv = sclass;
382 return 0;
383}
384
385static const struct nvkm_object_func
386nvkm_udevice_super = {
387 .init = nvkm_udevice_init,
388 .fini = nvkm_udevice_fini,
389 .mthd = nvkm_udevice_mthd,
390 .map = nvkm_udevice_map,
391 .rd08 = nvkm_udevice_rd08,
392 .rd16 = nvkm_udevice_rd16,
393 .rd32 = nvkm_udevice_rd32,
394 .wr08 = nvkm_udevice_wr08,
395 .wr16 = nvkm_udevice_wr16,
396 .wr32 = nvkm_udevice_wr32,
397 .sclass = nvkm_udevice_child_get,
398};
399
400static const struct nvkm_object_func
401nvkm_udevice = {
402 .init = nvkm_udevice_init,
403 .fini = nvkm_udevice_fini,
404 .mthd = nvkm_udevice_mthd,
405 .sclass = nvkm_udevice_child_get,
406};
407
408static int
409nvkm_udevice_new(const struct nvkm_oclass *oclass, void *data, u32 size,
410 struct nvkm_object **pobject)
411{
412 union {
413 struct nv_device_v0 v0;
414 } *args = data;
415 struct nvkm_client *client = oclass->client;
416 struct nvkm_object *parent = &client->object;
417 const struct nvkm_object_func *func;
418 struct nvkm_udevice *udev;
419 int ret = -ENOSYS;
420
421 nvif_ioctl(parent, "create device size %d\n", size);
422 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
423 nvif_ioctl(parent, "create device v%d device %016llx\n",
424 args->v0.version, args->v0.device);
425 } else
426 return ret;
427
428
429 if (client->super)
430 func = &nvkm_udevice_super;
431 else
432 func = &nvkm_udevice;
433
434 if (!(udev = kzalloc(sizeof(*udev), GFP_KERNEL)))
435 return -ENOMEM;
436 nvkm_object_ctor(func, oclass, &udev->object);
437 *pobject = &udev->object;
438
439
440 if (args->v0.device != ~0)
441 udev->device = nvkm_device_find(args->v0.device);
442 else
443 udev->device = nvkm_device_find(client->device);
444 if (!udev->device)
445 return -ENODEV;
446
447 return 0;
448}
449
450const struct nvkm_sclass
451nvkm_udevice_sclass = {
452 .oclass = NV_DEVICE,
453 .minver = 0,
454 .maxver = 0,
455 .ctor = nvkm_udevice_new,
456};
457
