/* $NetBSD: wdvar.h,v 1.1 2010/10/14 06:50:43 kiyohara Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* Copyright (c) 2001 Dynarc AB, Sweden. All rights reserved.
*
* This code is derived from software written by Anders Magnusson,
*
[email protected]
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _STAND_WDVAR_H
#define _STAND_WDVAR_H
#include <dev/ic/wdcreg.h>
#include <dev/ata/atareg.h>
#include <sys/disklabel.h>
#include <sys/bootblock.h>
#define WDC_TIMEOUT 2000000
#define WDC_NPORTS 8 /* XXX */
#define WDC_NSHADOWREG 2 /* XXX */
struct wdc_channel {
int c_cmdbase;
int c_ctlbase;
int c_data;
int c_cmdreg[WDC_NPORTS + WDC_NSHADOWREG];
};
#define WDC_READ_REG(chp, reg) inb((chp)->c_cmdreg[(reg)])
#define WDC_WRITE_REG(chp, reg, val) outb((chp)->c_cmdreg[(reg)], (val))
#define WDC_READ_CTLREG(chp, reg) inb((chp)->c_ctlbase)
#define WDC_WRITE_CTLREG(chp, reg, val) outb((chp)->c_ctlbase, (val))
#define WDC_READ_DATA_STREAM(chp) inw((chp)->c_data)
#define WDC_READ_DATA(chp) inwrb((chp)->c_data)
struct wd_softc {
#define WDF_LBA 0x0001
#define WDF_LBA48 0x0002
uint16_t sc_flags;
u_int sc_part;
u_int sc_unit;
u_int sc_ctlr;
uint64_t sc_capacity;
uint32_t sc_capacity28;
struct ataparams sc_params;
struct disklabel sc_label;
};
struct wdc_command {
uint8_t drive; /* drive id */
uint8_t r_command; /* Parameters to upload to registers */
uint8_t r_head;
uint16_t r_cyl;
uint8_t r_sector;
uint8_t r_count;
uint8_t r_features;
uint16_t bcount;
void *data;
uint64_t r_blkno;
};
int wdc_init(int);
int wdc_exec_identify(struct wd_softc *, void *);
int wdc_exec_read(struct wd_softc *, uint8_t, daddr_t, void *);
#endif /* _STAND_WDVAR_H */