202 nv50_dmac_destroy(struct nv50_dmac *dmac, struct nvif_object *disp)  in nv50_dmac_destroy()  argument
204 	struct nvif_device *device = dmac->base.device;  in nv50_dmac_destroy()
206 	nvif_object_fini(&dmac->vram);  in nv50_dmac_destroy()
207 	nvif_object_fini(&dmac->sync);  in nv50_dmac_destroy()
209 	nv50_chan_destroy(&dmac->base);  in nv50_dmac_destroy()
211 	if (dmac->ptr) {  in nv50_dmac_destroy()
213 		dma_free_coherent(dev, PAGE_SIZE, dmac->ptr, dmac->handle);  in nv50_dmac_destroy()
220 		 struct nv50_dmac *dmac)  in nv50_dmac_create()  argument
226 	mutex_init(&dmac->lock);  in nv50_dmac_create()
228 	dmac->ptr = dma_alloc_coherent(nvxx_device(device)->dev, PAGE_SIZE,  in nv50_dmac_create()
229 				       &dmac->handle, GFP_KERNEL);  in nv50_dmac_create()
230 	if (!dmac->ptr)  in nv50_dmac_create()
237 					.start = dmac->handle + 0x0000,  in nv50_dmac_create()
238 					.limit = dmac->handle + 0x0fff,  in nv50_dmac_create()
246 			       &dmac->base);  in nv50_dmac_create()
251 	ret = nvif_object_init(&dmac->base.user, 0xf0000000, NV_DMA_IN_MEMORY,  in nv50_dmac_create()
258 			       &dmac->sync);  in nv50_dmac_create()
262 	ret = nvif_object_init(&dmac->base.user, 0xf0000001, NV_DMA_IN_MEMORY,  in nv50_dmac_create()
269 			       &dmac->vram);  in nv50_dmac_create()
424 	struct nv50_dmac *dmac = evoc;  in evo_wait()  local
425 	struct nvif_device *device = dmac->base.device;  in evo_wait()
426 	u32 put = nvif_rd32(&dmac->base.user, 0x0000) / 4;  in evo_wait()
428 	mutex_lock(&dmac->lock);  in evo_wait()
430 		dmac->ptr[put] = 0x20000000;  in evo_wait()
432 		nvif_wr32(&dmac->base.user, 0x0000, 0x00000000);  in evo_wait()
434 			if (!nvif_rd32(&dmac->base.user, 0x0004))  in evo_wait()
437 			mutex_unlock(&dmac->lock);  in evo_wait()
445 	return dmac->ptr + put;  in evo_wait()
451 	struct nv50_dmac *dmac = evoc;  in evo_kick()  local
452 	nvif_wr32(&dmac->base.user, 0x0000, (push - dmac->ptr) << 2);  in evo_kick()
453 	mutex_unlock(&dmac->lock);  in evo_kick()