144 	struct ath_descdma *dd, ath_bufhead *head,  in ath_descdma_alloc_desc()  argument
153 	dd->dd_descsize = ds_size;  in ath_descdma_alloc_desc()
157 	    __func__, name, ndesc, dd->dd_descsize);  in ath_descdma_alloc_desc()
159 	dd->dd_name = name;  in ath_descdma_alloc_desc()
160 	dd->dd_desc_len = dd->dd_descsize * ndesc;  in ath_descdma_alloc_desc()
168 		int numpages = dd->dd_desc_len / 4096;  in ath_descdma_alloc_desc()
169 		dd->dd_desc_len += ds_size * numpages;  in ath_descdma_alloc_desc()
183 		       dd->dd_desc_len,		/* maxsize */  in ath_descdma_alloc_desc()
185 		       dd->dd_desc_len,		/* maxsegsize */  in ath_descdma_alloc_desc()
189 		       &dd->dd_dmat);  in ath_descdma_alloc_desc()
192 		    "cannot allocate %s DMA tag\n", dd->dd_name);  in ath_descdma_alloc_desc()
197 	error = bus_dmamem_alloc(dd->dd_dmat, (void**) &dd->dd_desc,  in ath_descdma_alloc_desc()
199 				 &dd->dd_dmamap);  in ath_descdma_alloc_desc()
203 		    ndesc, dd->dd_name, error);  in ath_descdma_alloc_desc()
207 	error = bus_dmamap_load(dd->dd_dmat, dd->dd_dmamap,  in ath_descdma_alloc_desc()
208 				dd->dd_desc, dd->dd_desc_len,  in ath_descdma_alloc_desc()
209 				ath_load_cb, &dd->dd_desc_paddr,  in ath_descdma_alloc_desc()
214 		    dd->dd_name, error);  in ath_descdma_alloc_desc()
219 	    __func__, dd->dd_name, (uint8_t *) dd->dd_desc,  in ath_descdma_alloc_desc()
220 	    (u_long) dd->dd_desc_len, (caddr_t) dd->dd_desc_paddr,  in ath_descdma_alloc_desc()
221 	    /*XXX*/ (u_long) dd->dd_desc_len);  in ath_descdma_alloc_desc()
226 	bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);  in ath_descdma_alloc_desc()
228 	bus_dma_tag_destroy(dd->dd_dmat);  in ath_descdma_alloc_desc()
229 	memset(dd, 0, sizeof(*dd));  in ath_descdma_alloc_desc()
237 	struct ath_descdma *dd, ath_bufhead *head,  in ath_descdma_setup()  argument
249 	error = ath_descdma_alloc_desc(sc, dd, head, name, ds_size,  in ath_descdma_setup()
257 	ds = (uint8_t *) dd->dd_desc;  in ath_descdma_setup()
265 		    dd->dd_name, bsize);  in ath_descdma_setup()
268 	dd->dd_bufptr = bf;  in ath_descdma_setup()
271 	for (i = 0; i < nbuf; i++, bf++, ds += (ndesc * dd->dd_descsize)) {  in ath_descdma_setup()
273 		bf->bf_daddr = DS2PHYS(dd, ds);  in ath_descdma_setup()
281 			     dd->dd_descsize)) {  in ath_descdma_setup()
285 				bf->bf_daddr = DS2PHYS(dd, ds);  in ath_descdma_setup()
293 			    dd->dd_name, i, error);  in ath_descdma_setup()
294 			ath_descdma_cleanup(sc, dd, head);  in ath_descdma_setup()
309 	bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap);  in ath_descdma_setup()
310 	bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);  in ath_descdma_setup()
311 	bus_dma_tag_destroy(dd->dd_dmat);  in ath_descdma_setup()
312 	memset(dd, 0, sizeof(*dd));  in ath_descdma_setup()
326 	struct ath_descdma *dd, ath_bufhead *head,  in ath_descdma_setup_rx_edma()  argument
335 	dd->dd_name = name;  in ath_descdma_setup_rx_edma()
344 	dd->dd_desc_len = rx_status_len * nbuf;  in ath_descdma_setup_rx_edma()
345 	dd->dd_descsize = rx_status_len;  in ath_descdma_setup_rx_edma()
353 		    dd->dd_name, bsize);  in ath_descdma_setup_rx_edma()
357 	dd->dd_bufptr = bf;  in ath_descdma_setup_rx_edma()
370 			    dd->dd_name, i, error);  in ath_descdma_setup_rx_edma()
371 			ath_descdma_cleanup(sc, dd, head);  in ath_descdma_setup_rx_edma()
378 	memset(dd, 0, sizeof(*dd));  in ath_descdma_setup_rx_edma()
384 	struct ath_descdma *dd, ath_bufhead *head)  in ath_descdma_cleanup()  argument
390 	if (dd->dd_dmamap != 0) {  in ath_descdma_cleanup()
391 		bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap);  in ath_descdma_cleanup()
392 		bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);  in ath_descdma_cleanup()
393 		bus_dma_tag_destroy(dd->dd_dmat);  in ath_descdma_cleanup()
411 					    dd->dd_name);  in ath_descdma_cleanup()
437 	if (dd->dd_bufptr != NULL)  in ath_descdma_cleanup()
438 		free(dd->dd_bufptr, M_ATHDEV);  in ath_descdma_cleanup()
439 	memset(dd, 0, sizeof(*dd));  in ath_descdma_cleanup()