diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/bwi.c | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/sys/dev/ic/bwi.c b/sys/dev/ic/bwi.c index 8355456329c..329ac855f71 100644 --- a/sys/dev/ic/bwi.c +++ b/sys/dev/ic/bwi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bwi.c,v 1.22 2007/09/15 13:38:22 jsg Exp $ */ +/* $OpenBSD: bwi.c,v 1.23 2007/09/15 15:08:07 jsg Exp $ */ /* * Copyright (c) 2007 The DragonFly Project. All rights reserved. @@ -6727,10 +6727,7 @@ bwi_media_change(struct ifnet *ifp) int bwi_dma_alloc(struct bwi_softc *sc) { - DPRINTF(1, "%s\n", __func__); -#if 0 int error, i, has_txstats; - bus_addr_t lowaddr = 0; bus_size_t tx_ring_sz, rx_ring_sz, desc_sz = 0; uint32_t txrx_ctrl_step = 0; @@ -6745,10 +6742,6 @@ bwi_dma_alloc(struct bwi_softc *sc) switch (sc->sc_bus_space) { case BWI_BUS_SPACE_30BIT: case BWI_BUS_SPACE_32BIT: - if (sc->sc_bus_space == BWI_BUS_SPACE_30BIT) - lowaddr = BWI_BUS_SPACE_MAXADDR; - else - lowaddr = BUS_SPACE_MAXADDR_32BIT; desc_sz = sizeof(struct bwi_desc32); txrx_ctrl_step = 0x20; @@ -6768,7 +6761,6 @@ bwi_dma_alloc(struct bwi_softc *sc) break; case BWI_BUS_SPACE_64BIT: - lowaddr = BUS_SPACE_MAXADDR; /* XXX */ desc_sz = sizeof(struct bwi_desc64); txrx_ctrl_step = 0x40; @@ -6788,7 +6780,6 @@ bwi_dma_alloc(struct bwi_softc *sc) break; } - KKASSERT(lowaddr != 0); KKASSERT(desc_sz != 0); KKASSERT(txrx_ctrl_step != 0); @@ -6800,7 +6791,16 @@ bwi_dma_alloc(struct bwi_softc *sc) * Create TX ring DMA stuffs */ + for (i = 0; i < BWI_TX_NRING; ++i) { + error = bus_dmamap_create(sc->sc_dmat, tx_ring_sz, 1, + tx_ring_sz, 0, BUS_DMA_NOWAIT, + &sc->sc_tx_rdata[i].rdata_dmap); + if (error) { + DPRINTF(1, "%s: %dth TX ring DMA create failed\n", + sc->sc_dev.dv_xname, i); + return (error); + } error = bwi_dma_ring_alloc(sc, &sc->sc_tx_rdata[i], tx_ring_sz, TXRX_CTRL(i)); if (error) { @@ -6814,6 +6814,15 @@ bwi_dma_alloc(struct bwi_softc *sc) * Create RX ring DMA stuffs */ + error = bus_dmamap_create(sc->sc_dmat, rx_ring_sz, 1, + rx_ring_sz, 0, BUS_DMA_NOWAIT, + &sc->sc_rx_rdata.rdata_dmap); + if (error) { + DPRINTF(1, "%s: RX ring DMA create failed\n", + sc->sc_dev.dv_xname); + return (error); + } + error = bwi_dma_ring_alloc(sc, &sc->sc_rx_rdata, rx_ring_sz, TXRX_CTRL(0)); if (error) { @@ -6833,8 +6842,6 @@ bwi_dma_alloc(struct bwi_softc *sc) #undef TXRX_CTRL return (bwi_dma_mbuf_create(sc)); -#endif - return (0); } void @@ -6893,6 +6900,7 @@ bwi_dma_ring_alloc(struct bwi_softc *sc, return (error); } + rd->rdata_paddr = rd->rdata_dmap->dm_segs[0].ds_addr; rd->rdata_txrx_ctrl = txrx_ctrl; return (0); @@ -6914,6 +6922,14 @@ bwi_dma_txstats_alloc(struct bwi_softc *sc, uint32_t ctrl_base, */ dma_size = roundup(desc_sz * BWI_TXSTATS_NDESC, BWI_RING_ALIGN); + error = bus_dmamap_create(sc->sc_dmat, dma_size, 1, dma_size, 0, + BUS_DMA_NOWAIT, &st->stats_ring_dmap); + if (error) { + DPRINTF(1, "%s: can't create txstats ring DMA mem\n", + sc->sc_dev.dv_xname); + return (error); + } + error = bus_dmamem_alloc(sc->sc_dmat, dma_size, BWI_RING_ALIGN, 0, &st->stats_ring_seg, 1, &nsegs, BUS_DMA_NOWAIT); if (error) { @@ -6939,12 +6955,22 @@ bwi_dma_txstats_alloc(struct bwi_softc *sc, uint32_t ctrl_base, return (error); } + bzero(&st->stats_ring, dma_size); + st->stats_ring_paddr = st->stats_ring_dmap->dm_segs[0].ds_addr; + /* * Create TX stats DMA stuffs */ dma_size = roundup(sizeof(struct bwi_txstats) * BWI_TXSTATS_NDESC, BWI_ALIGN); + error = bus_dmamap_create(sc->sc_dmat, dma_size, 1, dma_size, 0, + BUS_DMA_NOWAIT, &st->stats_dmap); + if (error) { + DPRINTF(1, "%s: can't create txstats ring DMA mem\n", + sc->sc_dev.dv_xname); + return (error); + } error = bus_dmamem_alloc(sc->sc_dmat, dma_size, BWI_ALIGN, 0, &st->stats_seg, 1, &nsegs, BUS_DMA_NOWAIT); if (error) { @@ -6970,6 +6996,8 @@ bwi_dma_txstats_alloc(struct bwi_softc *sc, uint32_t ctrl_base, return (error); } + bzero(&st->stats, dma_size); + st->stats_paddr = st->stats_dmap->dm_segs[0].ds_addr; st->stats_ctrl_base = ctrl_base; return (0); |