/* $NetBSD: satapmpreg.h,v 1.6 2012/07/31 15:50:34 bouyer Exp $ */ /*- * Copyright (c) 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Frank van der Linden of Wasabi Systems, Inc. * * 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. */ #ifndef _DEV_ATA_SATAPMPREG_H_ #define _DEV_ATA_SATAPMPREG_H_ /* * Global port multiplier registers, accessed through the control port. */ #define PMP_GSCR_ID 0x00 /* product and vendor id */ #define PMP_ID_DEV(x) ((x) >> 16) #define PMP_ID_VEND(x) ((x) & 0xffff) #define PMP_GSCR_REV 0x01 /* revision */ #define PMP_REV_SPEC_10 0x02 #define PMP_REV_SPEC_11 0x04 #define PMP_REV_LEVEL(x) (((x) >> 8) & 0xff) #define PMP_GSCR_INF 0x02 /* info */ #define PMP_INF_NPORTS(x) ((x) & 0xf) #define PMP_GSCR_ERR 0x20 /* error bit for each port */ #define PMP_ERR(p) ((1) << (p)) #define PMP_GSCR_ERREN 0x21 /* error bit enable for each port */ #define PMP_ERREN(p) ((1) << (p)) #define PMP_GSCR_FEAT 0x40 /* features */ #define PMP_FEAT_BIST 0x01 #define PMP_FEAT_PMREQ 0x01 #define PMP_FEAT_SCC 0x04 #define PMP_FEAT_ASYNC 0x08 #define PMP_GSCR_FEATEN 0x60 /* feature enable, bits as above */ #define PMP_GSCR_VENDSTART 0x80 /* start of vendor unique registers */ #define PMP_GSCR_NREGS 256 /* * Port status and control registers (per port) */ #define PMP_PSCR_SStatus 0x00 #define PMP_PSCR_SError 0x01 #define PMP_PSCR_SControl 0x02 #define PMP_PSCR_SActive 0x03 /* * Control port as defined in the spec. */ #define PMP_PORT_CTL 0x0f /* * Device commands for port multipliers */ #define PMPC_READ_PORT 0xe4 #define PMPC_WRITE_PORT 0xe8 /* max number of drives (last one being the PM itself */ #define PMP_MAX_DRIVES 16 #endif /* _DEV_ATA_SATAPMPREG_H_ */ |