1250386Sadrian/*- 2250386Sadrian * Copyright (c) 2013 Luiz Otavio O Souza. 3250386Sadrian * Copyright (c) 2011-2012 Stefan Bethke. 4250386Sadrian * Copyright (c) 2012 Adrian Chadd. 5250386Sadrian * All rights reserved. 6250386Sadrian * 7250386Sadrian * Redistribution and use in source and binary forms, with or without 8250386Sadrian * modification, are permitted provided that the following conditions 9250386Sadrian * are met: 10250386Sadrian * 1. Redistributions of source code must retain the above copyright 11250386Sadrian * notice, this list of conditions and the following disclaimer. 12250386Sadrian * 2. Redistributions in binary form must reproduce the above copyright 13250386Sadrian * notice, this list of conditions and the following disclaimer in the 14250386Sadrian * documentation and/or other materials provided with the distribution. 15250386Sadrian * 16250386Sadrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17250386Sadrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18250386Sadrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19250386Sadrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20250386Sadrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21250386Sadrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22250386Sadrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23250386Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24250386Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25250386Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26250386Sadrian * SUCH DAMAGE. 27250386Sadrian * 28250386Sadrian * $FreeBSD$ 29250386Sadrian */ 30250386Sadrian 31250386Sadrian#include <sys/param.h> 32250386Sadrian#include <sys/bus.h> 33250386Sadrian#include <sys/errno.h> 34250386Sadrian#include <sys/kernel.h> 35262848Sbrueffer#include <sys/lock.h> 36262848Sbrueffer#include <sys/mutex.h> 37250386Sadrian#include <sys/systm.h> 38250386Sadrian#include <sys/socket.h> 39250386Sadrian 40250386Sadrian#include <net/if.h> 41250386Sadrian 42250386Sadrian#include <dev/mii/mii.h> 43250386Sadrian 44250386Sadrian#include <dev/etherswitch/etherswitch.h> 45250386Sadrian#include <dev/etherswitch/ip17x/ip17x_phy.h> 46250386Sadrian#include <dev/etherswitch/ip17x/ip17x_reg.h> 47250386Sadrian#include <dev/etherswitch/ip17x/ip17x_var.h> 48250386Sadrian 49250386Sadrian#include "mdio_if.h" 50250386Sadrian#include "miibus_if.h" 51250386Sadrian#include "etherswitch_if.h" 52250386Sadrian 53250386Sadrianint 54250386Sadrianip17x_readphy(device_t dev, int phy, int reg) 55250386Sadrian{ 56250386Sadrian struct ip17x_softc *sc; 57250386Sadrian int data; 58250386Sadrian 59250386Sadrian sc = device_get_softc(dev); 60250386Sadrian IP17X_LOCK_ASSERT(sc, MA_NOTOWNED); 61250386Sadrian 62250386Sadrian if (phy < 0 || phy >= 32) 63250386Sadrian return (ENXIO); 64250386Sadrian if (reg < 0 || reg >= 32) 65250386Sadrian return (ENXIO); 66250386Sadrian 67250386Sadrian IP17X_LOCK(sc); 68250386Sadrian data = MDIO_READREG(device_get_parent(dev), phy, reg); 69250386Sadrian IP17X_UNLOCK(sc); 70250386Sadrian 71250386Sadrian return (data); 72250386Sadrian} 73250386Sadrian 74250386Sadrianint 75250386Sadrianip17x_writephy(device_t dev, int phy, int reg, int data) 76250386Sadrian{ 77250386Sadrian struct ip17x_softc *sc; 78250386Sadrian int err; 79250386Sadrian 80250386Sadrian sc = device_get_softc(dev); 81250386Sadrian IP17X_LOCK_ASSERT(sc, MA_NOTOWNED); 82250386Sadrian 83250386Sadrian if (phy < 0 || phy >= 32) 84250386Sadrian return (ENXIO); 85250386Sadrian if (reg < 0 || reg >= 32) 86250386Sadrian return (ENXIO); 87250386Sadrian 88250386Sadrian IP17X_LOCK(sc); 89250386Sadrian err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data); 90250386Sadrian IP17X_UNLOCK(sc); 91250386Sadrian 92250386Sadrian return (err); 93250386Sadrian} 94250386Sadrian 95250386Sadrianint 96250386Sadrianip17x_updatephy(device_t dev, int phy, int reg, int mask, int value) 97250386Sadrian{ 98250386Sadrian int val; 99250386Sadrian 100250386Sadrian val = ip17x_readphy(dev, phy, reg); 101250386Sadrian val &= ~mask; 102250386Sadrian val |= value; 103250386Sadrian return (ip17x_writephy(dev, phy, reg, val)); 104250386Sadrian} 105