197 lines
8 KiB
C
197 lines
8 KiB
C
/* $OpenBSD: wdcreg.h,v 1.13 2004/09/24 07:05:44 grange Exp $ */
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/* $NetBSD: wdcreg.h,v 1.22 1999/03/07 14:02:54 bouyer Exp $ */
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/*-
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* Copyright (c) 1991 The Regents of the University of California
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* All rights reserved
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)wdreg.h 7.1 (Berkeley) 5/9/91
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*/
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#ifndef _DEV_IC_WDCREG_H_
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#define _DEV_IC_WDCREG_H_
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/*
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* Controller register (wdr_ctlr)
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*/
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#define WDCTL_4BIT 0x08 /* use four head bits (wd1003) */
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#define WDCTL_RST 0x04 /* reset the controller */
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#define WDCTL_IDS 0x02 /* disable controller interrupts */
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/*
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* Status bits.
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*/
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#define WDCS_BSY 0x80 /* busy */
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#define WDCS_DRDY 0x40 /* drive ready */
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#define WDCS_DWF 0x20 /* drive write fault */
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#define WDCS_DSC 0x10 /* drive seek complete */
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#define WDCS_DRQ 0x08 /* data request */
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#define WDCS_CORR 0x04 /* corrected data */
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#define WDCS_IDX 0x02 /* index */
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#define WDCS_ERR 0x01 /* error */
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#define WDCS_BITS "\020\010BSY\007DRDY\006DWF\005DSC\004DRQ\003CORR\002IDX\001ERR"
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/*
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* Error bits.
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*/
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#define WDCE_BBK 0x80 /* bad block detected */
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#define WDCE_CRC 0x80 /* CRC error (Ultra-DMA only) */
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#define WDCE_UNC 0x40 /* uncorrectable data error */
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#define WDCE_MC 0x20 /* media changed */
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#define WDCE_IDNF 0x10 /* id not found */
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#define WDCE_MCR 0x08 /* media change requested */
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#define WDCE_ABRT 0x04 /* aborted command */
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#define WDCE_TK0NF 0x02 /* track 0 not found */
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#define WDCE_AMNF 0x01 /* address mark not found */
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/*
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* Commands for Disk Controller.
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*/
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#define WDCC_NOP 0x00 /* NOP - Always fail with "aborted command" */
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#define WDCC_RECAL 0x10 /* disk restore code -- resets cntlr */
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#define WDCC_READ 0x20 /* disk read code */
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#define WDCC_WRITE 0x30 /* disk write code */
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#define WDCC__LONG 0x02 /* modifier -- access ecc bytes */
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#define WDCC__NORETRY 0x01 /* modifier -- no retrys */
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#define WDCC_FORMAT 0x50 /* disk format code */
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#define WDCC_DIAGNOSE 0x90 /* controller diagnostic */
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#define WDCC_IDP 0x91 /* initialize drive parameters */
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#define WDCC_READMULTI 0xc4 /* read multiple */
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#define WDCC_WRITEMULTI 0xc5 /* write multiple */
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#define WDCC_SETMULTI 0xc6 /* set multiple mode */
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#define WDCC_READDMA 0xc8 /* read with DMA */
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#define WDCC_WRITEDMA 0xca /* write with DMA */
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#define WDCC_ACKMC 0xdb /* acknowledge media change */
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#define WDCC_LOCK 0xde /* lock drawer */
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#define WDCC_UNLOCK 0xdf /* unlock drawer */
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#define WDCC_FLUSHCACHE 0xe7 /* Flush cache */
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#define WDCC_IDENTIFY 0xec /* read parameters from controller */
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#define SET_FEATURES 0xef /* set features */
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#define WDCC_IDLE 0xe3 /* set idle timer & enter idle mode */
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#define WDCC_IDLE_IMMED 0xe1 /* enter idle mode */
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#define WDCC_SLEEP 0xe6 /* enter sleep mode */
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#define WDCC_STANDBY 0xe2 /* set standby timer & enter standby mode */
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#define WDCC_STANDBY_IMMED 0xe0 /* enter standby mode */
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#define WDCC_CHECK_PWR 0xe5 /* check power mode */
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#define WDCC_READ_EXT 0x24 /* read 48-bit addressing */
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#define WDCC_WRITE_EXT 0x34 /* write 48-bit addressing */
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#define WDCC_READMULTI_EXT 0x29 /* read multiple 48-bit addressing */
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#define WDCC_WRITEMULTI_EXT 0x39 /* write multiple 48-bit addressing */
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#define WDCC_READDMA_EXT 0x25 /* read 48-bit addressing with DMA */
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#define WDCC_WRITEDMA_EXT 0x35 /* write 48-bit addressing with DMA */
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#define WDCC_FLUSHCACHE_EXT 0xea /* 48-bit addressing flush cache */
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/* Subcommands for SET_FEATURES (features register ) */
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#define WDSF_8BIT_PIO_EN 0x01 /* Enable 8bit PIO (CFA featureset) */
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#define WDSF_EN_WR_CACHE 0x02
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#define WDSF_SET_MODE 0x03
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#define WDSF_REASSIGN_EN 0x04 /* Obsolete in ATA-6 */
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#define WDSF_APM_EN 0x05 /* Enable Adv. Power Management */
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#define WDSF_PUIS_EN 0x06 /* Enable Power-Up In Standby */
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#define WDSF_PUIS_SPINUP 0x07 /* Power-Up In Standby spin-up */
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#define WDSF_CFA_MODE1_EN 0x0A /* Enable CFA power mode 1 */
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#define WDSF_RMSN_DS 0x31 /* Disable Removable Media Status */
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#define WDSF_RETRY_DS 0x33 /* Obsolete in ATA-6 */
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#define WDSF_AAM_EN 0x42 /* Enable Autom. Acoustic Management */
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#define WDSF_SET_CACHE_SGMT 0x54 /* Obsolete in ATA-6 */
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#define WDSF_READAHEAD_DS 0x55 /* Disable read look-ahead */
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#define WDSF_RLSE_EN 0x5D /* Enable release interrupt */
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#define WDSF_SRV_EN 0x5E /* Enable SERVICE interrupt */
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#define WDSF_POD_DS 0x66
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#define WDSF_ECC_DS 0x77
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#define WDSF_8BIT_PIO_DS 0x81 /* Disable 8bit PIO (CFA featureset) */
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#define WDSF_WRITE_CACHE_DS 0x82
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#define WDSF_REASSIGN_DS 0x84
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#define WDSF_APM_DS 0x85 /* Disable Adv. Power Management */
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#define WDSF_PUIS_DS 0x86 /* Disable Power-Up In Standby */
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#define WDSF_ECC_EN 0x88
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#define WDSF_CFA_MODE1_DS 0x8A /* Disable CFA power mode 1 */
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#define WDSF_RMSN_EN 0x95 /* Enable Removable Media Status */
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#define WDSF_RETRY_EN 0x99 /* Obsolete in ATA-6 */
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#define WDSF_SET_CURRENT 0x9A /* Obsolete in ATA-6 */
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#define WDSF_READAHEAD_EN 0xAA
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#define WDSF_PREFETCH_SET 0xAB /* Obsolete in ATA-6 */
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#define WDSF_AAM_DS 0xC2 /* Disable Autom. Acoustic Management */
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#define WDSF_POD_EN 0xCC
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#define WDSF_RLSE_DS 0xDD /* Disable release interrupt */
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#define WDSF_SRV_DS 0xDE /* Disable SERVICE interrupt */
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#define WDSF_READ_NATIVE_MAX 0xF8
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#define WDSF_SEEK 0x70
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#define WDSF_VERIFY 0x40
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/* parameters uploaded to device/heads register */
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#define WDSD_IBM 0xa0 /* forced to 512 byte sector, ecc */
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#define WDSD_CHS 0x00 /* cylinder/head/sector addressing */
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#define WDSD_LBA 0x40 /* logical block addressing */
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/* Commands for ATAPI devices */
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#define ATAPI_CHECK_POWER_MODE 0xe5
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#define ATAPI_EXEC_DRIVE_DIAGS 0x90
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#define ATAPI_IDLE_IMMEDIATE 0xe1
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#define ATAPI_NOP 0x00
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#define ATAPI_PKT_CMD 0xa0
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#define ATAPI_IDENTIFY_DEVICE 0xa1
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#define ATAPI_SOFT_RESET 0x08
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#define ATAPI_DEVICE_RESET 0x08 /* ATA/ATAPI-5 name for soft reset */
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#define ATAPI_SLEEP 0xe6
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#define ATAPI_STANDBY_IMMEDIATE 0xe0
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#define ATAPI_SMART 0xB0 /* SMART operations */
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#define ATAPI_SETMAX 0xF9 /* Set Max Address */
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#define ATAPI_WRITEEXT 0x34 /* Write sectors Ext */
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#define ATAPI_SETMAXEXT 0x37 /* Set Max Address Ext */
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#define ATAPI_WRITEMULTIEXT 0x39 /* Write Multi Ext */
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/* Bytes used by ATAPI_PACKET_COMMAND ( feature register) */
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#define ATAPI_PKT_CMD_FTRE_DMA 0x01
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#define ATAPI_PKT_CMD_FTRE_OVL 0x02
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/* ireason */
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#define WDCI_CMD 0x01 /* command(1) or data(0) */
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#define WDCI_IN 0x02 /* transfer to(1) or from(0) the host */
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#define WDCI_RELEASE 0x04 /* bus released until completion */
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#define PHASE_CMDOUT (WDCS_DRQ | WDCI_CMD)
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#define PHASE_DATAIN (WDCS_DRQ | WDCI_IN)
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#define PHASE_DATAOUT WDCS_DRQ
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#define PHASE_COMPLETED (WDCI_IN | WDCI_CMD)
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#define PHASE_ABORTED 0
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#endif /* !_DEV_IC_WDCREG_H_ */
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