106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/* $NetBSD: wdvar.h,v 1.5 2004/09/01 15:54:39 tsutsui Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* Copyright (c) 2001 Dynarc AB, Sweden. All rights reserved.
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*
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* This code is derived from software written by Anders Magnusson,
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* ragge@ludd.luth.se
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _STAND_WDVAR_H
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#define _STAND_WDVAR_H
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#include <dev/ic/wdcreg.h>
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#include <dev/ata/atareg.h>
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#include <dev/pci/pciidereg.h>
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#include <mips/cpuregs.h>
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#include <sys/disklabel.h>
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#include <sys/bootblock.h>
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#define WDC_TIMEOUT 2000000
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#define PCIIDE_CHANNEL_NDEV 2
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#define NUNITS (PCIIDE_CHANNEL_NDEV * PCIIDE_NUM_CHANNELS)
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#define WDC_NPORTS 8 /* XXX */
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#define WDC_NSHADOWREG 2 /* XXX */
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struct wdc_channel {
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volatile u_int8_t *c_cmdbase;
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volatile u_int8_t *c_ctlbase;
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volatile u_int8_t *c_cmdreg[WDC_NPORTS + WDC_NSHADOWREG];
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volatile u_int16_t *c_data;
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u_int8_t compatchan;
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};
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#define WDC_READ_REG(chp, reg) *(chp)->c_cmdreg[(reg)]
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#define WDC_WRITE_REG(chp, reg, val) *(chp)->c_cmdreg[(reg)] = (val)
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#define WDC_READ_CTLREG(chp, reg) (chp)->c_ctlbase[(reg)]
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#define WDC_WRITE_CTLREG(chp, reg, val) (chp)->c_ctlbase[(reg)] = (val)
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#define WDC_READ_DATA(chp) *(chp)->c_data
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struct wd_softc {
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#define WDF_LBA 0x0001
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#define WDF_LBA48 0x0002
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u_int16_t sc_flags;
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u_int sc_part;
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u_int sc_unit;
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u_int64_t sc_capacity;
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struct ataparams sc_params;
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struct disklabel sc_label;
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struct wdc_channel sc_channel;
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};
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struct wdc_command {
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u_int8_t drive; /* drive id */
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u_int8_t r_command; /* Parameters to upload to registers */
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u_int8_t r_head;
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u_int16_t r_cyl;
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u_int8_t r_sector;
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u_int8_t r_count;
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u_int8_t r_precomp;
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u_int16_t bcount;
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void *data;
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u_int64_t r_blkno;
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};
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int wdc_init (struct wd_softc*, u_int*);
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int wdccommand (struct wd_softc*, struct wdc_command*);
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int wdccommandext (struct wd_softc*, struct wdc_command*);
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int wdc_exec_read (struct wd_softc*, u_int8_t, daddr_t, void*);
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int wdc_exec_identify (struct wd_softc*, void*);
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int pciide_init (struct wdc_channel*, u_int*);
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#endif /* _STAND_WDVAR_H */
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