2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <core/object.h>
25 #include <core/client.h>
26 #include <core/device.h>
27 #include <core/class.h>
30 #include <subdev/fb.h>
31 #include <subdev/timer.h>
32 #include <subdev/instmem.h>
34 #include "nouveau_drm.h"
35 #include "nouveau_dma.h"
36 #include "nouveau_gem.h"
37 #include "nouveau_chan.h"
38 #include "nouveau_abi16.h"
40 struct nouveau_abi16 *
41 nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev)
43 struct nouveau_cli *cli = nouveau_cli(file_priv);
44 mutex_lock(&cli->mutex);
46 struct nouveau_abi16 *abi16;
47 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL);
49 INIT_LIST_HEAD(&abi16->channels);
50 abi16->client = nv_object(cli);
52 /* allocate device object targeting client's default
53 * device (ie. the one that belongs to the fd it
56 if (nouveau_object_new(abi16->client, NVDRM_CLIENT,
58 &(struct nv_device_class) {
61 sizeof(struct nv_device_class),
69 mutex_unlock(&cli->mutex);
75 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret)
77 struct nouveau_cli *cli = (void *)abi16->client;
78 mutex_unlock(&cli->mutex);
83 nouveau_abi16_swclass(struct nouveau_drm *drm)
85 switch (nv_device(drm->device)->card_type) {
105 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
106 struct nouveau_abi16_ntfy *ntfy)
108 nouveau_mm_free(&chan->heap, &ntfy->node);
109 list_del(&ntfy->head);
114 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
115 struct nouveau_abi16_chan *chan)
117 struct nouveau_abi16_ntfy *ntfy, *temp;
119 /* cleanup notifier state */
120 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
121 nouveau_abi16_ntfy_fini(chan, ntfy);
125 nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma);
126 drm_gem_object_unreference_unlocked(chan->ntfy->gem);
129 if (chan->heap.block_size)
130 nouveau_mm_fini(&chan->heap);
132 /* destroy channel object, all children will be killed too */
134 abi16->handles &= ~(1 << (chan->chan->handle & 0xffff));
135 nouveau_channel_del(&chan->chan);
138 list_del(&chan->head);
143 nouveau_abi16_fini(struct nouveau_abi16 *abi16)
145 struct nouveau_cli *cli = (void *)abi16->client;
146 struct nouveau_abi16_chan *chan, *temp;
148 /* cleanup channels */
149 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
150 nouveau_abi16_chan_fini(abi16, chan);
153 /* destroy the device object */
154 nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE);
161 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
163 struct nouveau_drm *drm = nouveau_drm(dev);
164 struct nouveau_device *device = nv_device(drm->device);
165 struct nouveau_timer *ptimer = nouveau_timer(device);
166 struct drm_nouveau_getparam *getparam = data;
168 switch (getparam->param) {
169 case NOUVEAU_GETPARAM_CHIPSET_ID:
170 getparam->value = device->chipset;
172 case NOUVEAU_GETPARAM_PCI_VENDOR:
173 getparam->value = dev->pci_vendor;
175 case NOUVEAU_GETPARAM_PCI_DEVICE:
176 getparam->value = dev->pci_device;
178 case NOUVEAU_GETPARAM_BUS_TYPE:
179 if (drm_pci_device_is_agp(dev))
182 if (!pci_is_pcie(dev->pdev))
187 case NOUVEAU_GETPARAM_FB_SIZE:
188 getparam->value = drm->gem.vram_available;
190 case NOUVEAU_GETPARAM_AGP_SIZE:
191 getparam->value = drm->gem.gart_available;
193 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
194 getparam->value = 0; /* deprecated */
196 case NOUVEAU_GETPARAM_PTIMER_TIME:
197 getparam->value = ptimer->read(ptimer);
199 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
202 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
205 case NOUVEAU_GETPARAM_GRAPH_UNITS:
206 /* NV40 and NV50 versions are quite different, but register
207 * address is the same. User is supposed to know the card
208 * family anyway... */
209 if (device->chipset >= 0x40) {
210 getparam->value = nv_rd32(device, 0x001540);
215 nv_debug(device, "unknown parameter %lld\n", getparam->param);
223 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS)
229 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
231 struct drm_nouveau_channel_alloc *init = data;
232 struct nouveau_cli *cli = nouveau_cli(file_priv);
233 struct nouveau_drm *drm = nouveau_drm(dev);
234 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
235 struct nouveau_abi16_chan *chan;
236 struct nouveau_client *client;
237 struct nouveau_device *device;
238 struct nouveau_instmem *imem;
239 struct nouveau_fb *pfb;
242 if (unlikely(!abi16))
246 return nouveau_abi16_put(abi16, -ENODEV);
248 client = nv_client(abi16->client);
250 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
251 return nouveau_abi16_put(abi16, -EINVAL);
253 device = nv_device(abi16->device);
254 imem = nouveau_instmem(device);
255 pfb = nouveau_fb(device);
257 /* allocate "abi16 channel" data and make up a handle for it */
258 init->channel = ffsll(~abi16->handles);
259 if (!init->channel--)
260 return nouveau_abi16_put(abi16, -ENOSPC);
262 chan = kzalloc(sizeof(*chan), GFP_KERNEL);
264 return nouveau_abi16_put(abi16, -ENOMEM);
266 INIT_LIST_HEAD(&chan->notifiers);
267 list_add(&chan->head, &abi16->channels);
268 abi16->handles |= (1 << init->channel);
270 /* create channel object and initialise dma and fence management */
271 if (device->card_type >= NV_E0) {
272 init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR;
273 init->tt_ctxdma_handle = 0;
276 ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN |
277 init->channel, init->fb_ctxdma_handle,
278 init->tt_ctxdma_handle, &chan->chan);
282 if (device->card_type >= NV_50)
283 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
284 NOUVEAU_GEM_DOMAIN_GART;
286 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM)
287 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
289 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
291 if (device->card_type < NV_C0) {
292 init->subchan[0].handle = 0x00000000;
293 init->subchan[0].grclass = 0x0000;
294 init->subchan[1].handle = NvSw;
295 init->subchan[1].grclass = 0x506e;
296 init->nr_subchan = 2;
299 /* Named memory object area */
300 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
303 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT);
307 if (device->card_type >= NV_50) {
308 ret = nouveau_bo_vma_add(chan->ntfy, client->vm,
314 ret = drm_gem_handle_create(file_priv, chan->ntfy->gem,
315 &init->notifier_handle);
319 ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1);
322 nouveau_abi16_chan_fini(abi16, chan);
323 return nouveau_abi16_put(abi16, ret);
328 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
330 struct drm_nouveau_channel_free *req = data;
331 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
332 struct nouveau_abi16_chan *chan;
335 if (unlikely(!abi16))
338 list_for_each_entry(chan, &abi16->channels, head) {
339 if (chan->chan->handle == (NVDRM_CHAN | req->channel)) {
340 nouveau_abi16_chan_fini(abi16, chan);
341 return nouveau_abi16_put(abi16, 0);
345 return nouveau_abi16_put(abi16, ret);
349 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
351 struct drm_nouveau_grobj_alloc *init = data;
352 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
353 struct nouveau_drm *drm = nouveau_drm(dev);
354 struct nouveau_object *object;
357 if (unlikely(!abi16))
360 if (init->handle == ~0)
361 return nouveau_abi16_put(abi16, -EINVAL);
363 /* compatibility with userspace that assumes 506e for all chipsets */
364 if (init->class == 0x506e) {
365 init->class = nouveau_abi16_swclass(drm);
366 if (init->class == 0x906e)
367 return nouveau_abi16_put(abi16, 0);
370 ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel,
371 init->handle, init->class, NULL, 0, &object);
372 return nouveau_abi16_put(abi16, ret);
376 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
378 struct drm_nouveau_notifierobj_alloc *info = data;
379 struct nouveau_drm *drm = nouveau_drm(dev);
380 struct nouveau_device *device = nv_device(drm->device);
381 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
382 struct nouveau_abi16_chan *chan, *temp;
383 struct nouveau_abi16_ntfy *ntfy;
384 struct nouveau_object *object;
385 struct nv_dma_class args;
388 if (unlikely(!abi16))
391 /* completely unnecessary for these chipsets... */
392 if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
393 return nouveau_abi16_put(abi16, -EINVAL);
395 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
396 if (chan->chan->handle == (NVDRM_CHAN | info->channel))
402 return nouveau_abi16_put(abi16, -ENOENT);
404 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
406 return nouveau_abi16_put(abi16, -ENOMEM);
408 list_add(&ntfy->head, &chan->notifiers);
409 ntfy->handle = info->handle;
411 ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1,
416 args.start = ntfy->node->offset;
417 args.limit = ntfy->node->offset + ntfy->node->length - 1;
418 if (device->card_type >= NV_50) {
419 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM;
420 args.start += chan->ntfy_vma.offset;
421 args.limit += chan->ntfy_vma.offset;
423 if (drm->agp.stat == ENABLED) {
424 args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR;
425 args.start += drm->agp.base + chan->ntfy->bo.offset;
426 args.limit += drm->agp.base + chan->ntfy->bo.offset;
428 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR;
429 args.start += chan->ntfy->bo.offset;
430 args.limit += chan->ntfy->bo.offset;
433 ret = nouveau_object_new(abi16->client, chan->chan->handle,
434 ntfy->handle, 0x003d, &args,
435 sizeof(args), &object);
441 nouveau_abi16_ntfy_fini(chan, ntfy);
442 return nouveau_abi16_put(abi16, ret);
446 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
448 struct drm_nouveau_gpuobj_free *fini = data;
449 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
450 struct nouveau_abi16_chan *chan, *temp;
451 struct nouveau_abi16_ntfy *ntfy;
454 if (unlikely(!abi16))
457 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
458 if (chan->chan->handle == (NVDRM_CHAN | fini->channel))
464 return nouveau_abi16_put(abi16, -ENOENT);
466 /* synchronize with the user channel and destroy the gpu object */
467 nouveau_channel_idle(chan->chan);
469 ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle);
471 return nouveau_abi16_put(abi16, ret);
473 /* cleanup extra state if this object was a notifier */
474 list_for_each_entry(ntfy, &chan->notifiers, head) {
475 if (ntfy->handle == fini->handle) {
476 nouveau_mm_free(&chan->heap, &ntfy->node);
477 list_del(&ntfy->head);
482 return nouveau_abi16_put(abi16, 0);