Cross Reference: /src/sys/external/bsd/drm2/drm/drm

Lines Matching defs:dmah
190 	struct drm_dma_handle *const dmah = kmem_alloc(sizeof(*dmah),
192 	if (dmah == NULL) {
196 	dmah->dmah_tag = dev->dmat;
202 	error = -bus_dmamem_alloc(dmah->dmah_tag, size, align, 0,
203 	    &dmah->dmah_seg, 1, &nsegs, BUS_DMA_NOWAIT);
212 	error = -bus_dmamem_map(dmah->dmah_tag, &dmah->dmah_seg, 1, size,
213 	    &dmah->vaddr,
217 	dmah->size = size;
223 	error = -bus_dmamap_create(dmah->dmah_tag, size, 1, size, 0,
224 	    BUS_DMA_NOWAIT, &dmah->dmah_map);
232 	error = -bus_dmamap_load(dmah->dmah_tag, dmah->dmah_map, dmah->vaddr,
238 	dmah->busaddr = dmah->dmah_map->dm_segs[0].ds_addr;
241 	memset(dmah->vaddr, 0, size);
244 	return dmah;
246 fail3:	bus_dmamap_destroy(dmah->dmah_tag, dmah->dmah_map);
247 fail2:	bus_dmamem_unmap(dmah->dmah_tag, dmah->vaddr, dmah->size);
248 fail1:	bus_dmamem_free(dmah->dmah_tag, &dmah->dmah_seg, 1);
249 fail0:	dmah->dmah_tag = NULL;	/* XXX paranoia */
250 	kmem_free(dmah, sizeof(*dmah));
256  * Release the bus DMA mappings and memory in dmah, and deallocate it.
259 drm_pci_free(struct drm_device *dev, struct drm_dma_handle *dmah)
262 	bus_dmamap_unload(dmah->dmah_tag, dmah->dmah_map);
263 	bus_dmamap_destroy(dmah->dmah_tag, dmah->dmah_map);
264 	bus_dmamem_unmap(dmah->dmah_tag, dmah->vaddr, dmah->size);
265 	bus_dmamem_free(dmah->dmah_tag, &dmah->dmah_seg, 1);
266 	dmah->dmah_tag = NULL;	/* XXX paranoia */
267 	kmem_free(dmah, sizeof(*dmah));
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