/* $NetBSD: octeon_asx.c,v 1.5 2021/01/04 17:22:59 thorpej Exp $ */ /* * Copyright (c) 2007 Internet Initiative Japan, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: octeon_asx.c,v 1.5 2021/01/04 17:22:59 thorpej Exp $"); #include #include #include #include #include #include /* XXX */ void octasx_init(struct octasx_attach_args *aa, struct octasx_softc **rsc) { struct octasx_softc *sc; int status; sc = kmem_zalloc(sizeof(*sc), KM_SLEEP); if (sc == NULL) panic("can't allocate memory: %s", __func__); sc->sc_port = aa->aa_port; sc->sc_regt = aa->aa_regt; status = bus_space_map(sc->sc_regt, ASX0_BASE, ASX0_SIZE, 0, &sc->sc_regh); if (status != 0) panic("can't map %s space", "asx register"); *rsc = sc; } #define _ASX_RD8(sc, off) \ bus_space_read_8((sc)->sc_regt, (sc)->sc_regh, (off)) #define _ASX_WR8(sc, off, v) \ bus_space_write_8((sc)->sc_regt, (sc)->sc_regh, (off), (v)) static int octasx_enable_tx(struct octasx_softc *, int); static int octasx_enable_rx(struct octasx_softc *, int); int octasx_enable(struct octasx_softc *sc, int enable) { octasx_enable_tx(sc, enable); octasx_enable_rx(sc, enable); return 0; } static int octasx_enable_tx(struct octasx_softc *sc, int enable) { uint64_t asx_tx_port; asx_tx_port = _ASX_RD8(sc, ASX0_TX_PRT_EN_OFFSET); if (enable) SET(asx_tx_port, __BIT(sc->sc_port)); else CLR(asx_tx_port, __BIT(sc->sc_port)); _ASX_WR8(sc, ASX0_TX_PRT_EN_OFFSET, asx_tx_port); return 0; } static int octasx_enable_rx(struct octasx_softc *sc, int enable) { uint64_t asx_rx_port; asx_rx_port = _ASX_RD8(sc, ASX0_RX_PRT_EN_OFFSET); if (enable) SET(asx_rx_port, __BIT(sc->sc_port)); else CLR(asx_rx_port, __BIT(sc->sc_port)); _ASX_WR8(sc, ASX0_RX_PRT_EN_OFFSET, asx_rx_port); return 0; } int octasx_clk_set(struct octasx_softc *sc, int tx_setting, int rx_setting) { _ASX_WR8(sc, ASX0_TX_CLK_SET0_OFFSET + 8 * sc->sc_port, tx_setting); _ASX_WR8(sc, ASX0_RX_CLK_SET0_OFFSET + 8 * sc->sc_port, rx_setting); return 0; }