Lines Matching defs:tdm
1795 struct tht_dmamem *tdm;
1798 tdm = malloc(sizeof(struct tht_dmamem), M_DEVBUF, M_WAITOK | M_ZERO);
1799 tdm->tdm_size = size;
1802 BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW, &tdm->tdm_map) != 0)
1805 if (bus_dmamem_alloc(dmat, size, align, 0, &tdm->tdm_seg, 1, &nsegs,
1809 if (bus_dmamem_map(dmat, &tdm->tdm_seg, nsegs, size, &tdm->tdm_kva,
1813 if (bus_dmamap_load(dmat, tdm->tdm_map, tdm->tdm_kva, size,
1817 return (tdm);
1820 bus_dmamem_unmap(dmat, tdm->tdm_kva, size);
1822 bus_dmamem_free(dmat, &tdm->tdm_seg, 1);
1824 bus_dmamap_destroy(dmat, tdm->tdm_map);
1826 free(tdm, M_DEVBUF, 0);
1832 tht_dmamem_free(struct tht_softc *sc, struct tht_dmamem *tdm)
1836 bus_dmamap_unload(dmat, tdm->tdm_map);
1837 bus_dmamem_unmap(dmat, tdm->tdm_kva, tdm->tdm_size);
1838 bus_dmamem_free(dmat, &tdm->tdm_seg, 1);
1839 bus_dmamap_destroy(dmat, tdm->tdm_map);
1840 free(tdm, M_DEVBUF, 0);