195 nv50_dmac_destroy(struct nv50_dmac *dmac, struct nvif_object *disp)  in nv50_dmac_destroy()  argument
197 	nvif_object_fini(&dmac->vram);  in nv50_dmac_destroy()
198 	nvif_object_fini(&dmac->sync);  in nv50_dmac_destroy()
200 	nv50_chan_destroy(&dmac->base);  in nv50_dmac_destroy()
202 	if (dmac->ptr) {  in nv50_dmac_destroy()
204 		pci_free_consistent(pdev, PAGE_SIZE, dmac->ptr, dmac->handle);  in nv50_dmac_destroy()
211 		 struct nv50_dmac *dmac)  in nv50_dmac_create()  argument
218 	mutex_init(&dmac->lock);  in nv50_dmac_create()
220 	dmac->ptr = pci_alloc_consistent(nvxx_device(device)->pdev,  in nv50_dmac_create()
221 					 PAGE_SIZE, &dmac->handle);  in nv50_dmac_create()
222 	if (!dmac->ptr)  in nv50_dmac_create()
230 					.start = dmac->handle + 0x0000,  in nv50_dmac_create()
231 					.limit = dmac->handle + 0x0fff,  in nv50_dmac_create()
236 	ret = nv50_chan_create(disp, oclass, head, data, size, &dmac->base);  in nv50_dmac_create()
241 	ret = nvif_object_init(&dmac->base.user, NULL, 0xf0000000,  in nv50_dmac_create()
249 			       &dmac->sync);  in nv50_dmac_create()
253 	ret = nvif_object_init(&dmac->base.user, NULL, 0xf0000001,  in nv50_dmac_create()
261 			       &dmac->vram);  in nv50_dmac_create()
415 	struct nv50_dmac *dmac = evoc;  in evo_wait()  local
416 	u32 put = nvif_rd32(&dmac->base.user, 0x0000) / 4;  in evo_wait()
418 	mutex_lock(&dmac->lock);  in evo_wait()
420 		dmac->ptr[put] = 0x20000000;  in evo_wait()
422 		nvif_wr32(&dmac->base.user, 0x0000, 0x00000000);  in evo_wait()
423 		if (!nvxx_wait(&dmac->base.user, 0x0004, ~0, 0x00000000)) {  in evo_wait()
424 			mutex_unlock(&dmac->lock);  in evo_wait()
425 			nv_error(nvxx_object(&dmac->base.user), "channel stalled\n");  in evo_wait()
432 	return dmac->ptr + put;  in evo_wait()
438 	struct nv50_dmac *dmac = evoc;  in evo_kick()  local
439 	nvif_wr32(&dmac->base.user, 0x0000, (push - dmac->ptr) << 2);  in evo_kick()
440 	mutex_unlock(&dmac->lock);  in evo_kick()