diff options
Diffstat (limited to 'freebsd/sys/dev/mii/mii_bitbang.h')
| -rw-r--r-- | freebsd/sys/dev/mii/mii_bitbang.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/freebsd/sys/dev/mii/mii_bitbang.h b/freebsd/sys/dev/mii/mii_bitbang.h new file mode 100644 index 00000000..2bc74276 --- /dev/null +++ b/freebsd/sys/dev/mii/mii_bitbang.h @@ -0,0 +1,54 @@ +/* $NetBSD: mii_bitbang.h,v 1.6 2009/05/12 14:31:27 cegger Exp $ */ + +/*- + * Copyright (c) 1999 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, + * NASA Ames Research Center. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + * + * $FreeBSD$ + */ + +#define MII_BIT_MDO 0 /* data out (host->PHY) */ +#define MII_BIT_MDI 1 /* data in (PHY->host) */ +#define MII_BIT_MDC 2 /* clock */ +#define MII_BIT_DIR_HOST_PHY 3 /* set direction: host->PHY */ +#define MII_BIT_DIR_PHY_HOST 4 /* set direction: PHY->host */ +#define MII_NBITS 5 + +struct mii_bitbang_ops { + uint32_t (*mbo_read)(device_t); + void (*mbo_write)(device_t, uint32_t); + uint32_t mbo_bits[MII_NBITS]; +}; + +typedef const struct mii_bitbang_ops *mii_bitbang_ops_t; + +int mii_bitbang_readreg(device_t dev, mii_bitbang_ops_t ops, + int phy, int reg); +void mii_bitbang_sync(device_t dev, mii_bitbang_ops_t ops); +void mii_bitbang_writereg(device_t dev, mii_bitbang_ops_t ops, + int phy, int reg, int val); |