/* $Id: tpqic02.h,v 1.5 1996/12/14 23:01:38 root Exp root $
*
* Include file for QIC-02 driver for Linux.
*
* Copyright (c) 1992--1995 by H. H. Bergman. All rights reserved.
*
* ******* USER CONFIG SECTION BELOW (Near line 70) *******
*/
#ifndef _LINUX_TPQIC02_H
#define _LINUX_TPQIC02_H
#include <linux/config.h>
#if CONFIG_QIC02_TAPE || CONFIG_QIC02_TAPE_MODULE
/* need to have QIC02_TAPE_DRIVE and QIC02_TAPE_IFC expand to something */
#include <linux/mtio.h>
/* Make QIC02_TAPE_IFC expand to something.
*
* The only difference between WANGTEK and EVEREX is in the
* handling of the DMA channel 3.
* Note that the driver maps EVEREX to WANGTEK internally for speed
* reasons. Externally WANGTEK==1, EVEREX==2, ARCHIVE==3.
* These must correspond to the values used in qic02config(1).
*
* Support for Mountain controllers was added by Erik Jacobson
* and severely hacked by me. -- hhb
*
* Support for Emerald controllers by Alan Bain <afrb2@chiark.chu.cam.ac.uk>
* with more hacks by me. -- hhb
*/
#define WANGTEK 1 /* don't know about Wangtek QIC-36 */
#define EVEREX (WANGTEK+1) /* I heard *some* of these are identical */
#define EVEREX_811V EVEREX /* With TEAC MT 2ST 45D */
#define EVEREX_831V EVEREX
#define ARCHIVE 3
#define ARCHIVE_SC400 ARCHIVE /* rumoured to be from the pre-SMD-age */
#define ARCHIVE_SC402 ARCHIVE /* don't know much about SC400 */
#define ARCHIVE_SC499 ARCHIVE /* SC402 and SC499R should be identical */
#define MOUNTAIN 5 /* Mountain Computer Interface */
#define EMERALD 6 /* Emerald Interface card */
#define QIC02_TAPE_PORT_RANGE 8 /* number of IO locations to reserve */
/*********** START OF USER CONFIGURABLE SECTION ************/
/* Tape configuration: Select DRIVE, IFC, PORT, IRQ and DMA below.
* Runtime (re)configuration is not supported yet.
*
* Tape drive configuration: (MT_IS* constants are defined in mtio.h)
*
* QIC02_TAPE_DRIVE = MT_ISWT5150
* - Wangtek 5150, format: up to QIC-150.
* QIC02_TAPE_DRIVE = MT_ISQIC02_ALL_FEATURES
* - Enables some optional QIC02 commands that some drives may lack.
* It is provided so you can check which are supported by your drive.
* Refer to tpqic02.h for others.
*
* Supported interface cards: QIC02_TAPE_IFC =
* WANGTEK,
* ARCHIVE_SC402, ARCHIVE_SC499. (both same programming interface)
*
* Make sure you have the I/O ports/DMA channels
* and IRQ stuff configured properly!
* NOTE: There may be other device drivers using the same major
* number. This must be avoided. Check for timer.h conflicts too.
*
* If you have an EVEREX EV-831 card and you are using DMA channel 3,
* you will probably have to ``#define QIC02_TAPE_DMA3_FIX'' below.
*/
/* CONFIG_QIC02_DYNCONF can be defined in autoconf.h, by `make config' */
/*** #undef CONFIG_QIC02_DYNCONF ***/
#ifndef CONFIG_QIC02_DYNCONF
#define QIC02_TAPE_DRIVE MT_ISQIC02_ALL_FEATURES /* drive type */
/* #define QIC02_TAPE_DRIVE MT_ISWT5150 */
/* #define QIC02_TAPE_DRIVE MT_ISARCHIVE_5945L2 */
/* #define QIC02_TAPE_DRIVE MT_ISTEAC_MT2ST */
/* #define QIC02_TAPE_DRIVE MT_ISARCHIVE_2150L */
/* #define QIC02_TAPE_DRIVE MT_ISARCHIVESC499 */
/* Either WANGTEK, ARCHIVE or MOUNTAIN. Not EVEREX.
* If you have an EVEREX, use WANGTEK and try the DMA3_FIX below.
*/
#define QIC02_TAPE_IFC WANGTEK /* interface card type */
/* #define QIC02_TAPE_IFC ARCHIVE */
/* #define QIC02_TAPE_IFC MOUNTAIN */
#define QIC02_TAPE_PORT 0x300 /* controller port address */
#define QIC02_TAPE_IRQ 5 /* For IRQ2, use 9 here, others normal. */
#define QIC02_TAPE_DMA 1 /* either 1 or 3, because 2 is used by the floppy */
/* If DMA3 doesn't work, but DMA1 does, and you have a
* Wangtek/Everex card, you can try #define-ing the flag
* below. Note that you should also change the DACK jumper
* for Wangtek/Everex cards when changing the DMA channel.
*/
#undef QIC02_TAPE_DMA3_FIX
/************ END OF USER CONFIGURABLE SECTION *************/
/* I put the stuff above in config.in, but a few recompiles, to
* verify different configurations, and several days later I decided
* to change it back again.
*/
/* NOTE: TP_HAVE_DENS should distinguish between available densities (?)
* NOTE: Drive select is not implemented -- I have only one tape streamer,
* so I'm unable and unmotivated to test and implement that. ;-) ;-)
*/
#if QIC02_TAPE_DRIVE == MT_ISWT5150
#define TP_HAVE_DENS 1
#define TP_HAVE_BSF 0 /* nope */
#define TP_HAVE_FSR 0 /* nope */
#define TP_HAVE_BSR 0 /* nope */
#define TP_HAVE_EOD 0 /* most of the time */
#define TP_HAVE_SEEK 0
#define TP_HAVE_TELL 0
#define TP_HAVE_RAS1 1
#define TP_HAVE_RAS2 1
#elif QIC02_TAPE_DRIVE == MT_ISARCHIVESC499 /* Archive SC-499 QIC-36 controller */
#define TP_HAVE_DENS 1 /* can do set density (QIC-11 / QIC-24) */
#define TP_HAVE_BSF 0
#define TP_HAVE_FSR 1 /* can skip one block forwards */
#define TP_HAVE_BSR 1 /* can skip one block backwards */
#define TP_HAVE_EOD 1 /* can seek to end of recorded data */
#define TP_HAVE_SEEK 0
#define TP_HAVE_TELL 0
#define TP_HAVE_RAS1 1 /* can run selftest 1 */
#define TP_HAVE_RAS2 1 /* can run selftest 2 */
/* These last two selftests shouldn't be used yet! */
#elif (QIC02_TAPE_DRIVE == MT_ISARCHIVE_2060L) || (QIC02_TAPE_DRIVE == MT_ISARCHIVE_2150L)
#define TP_HAVE_DENS 1 /* can do set density (QIC-24 / QIC-120 / QIC-150) */
#define TP_HAVE_BSF 0
#define TP_HAVE_FSR 1 /* can skip one block forwards */
#define TP_HAVE_BSR 1 /* can skip one block backwards */
#define TP_HAVE_EOD 1 /* can seek to end of recorded data */
#define TP_HAVE_TELL 1 /* can read current block address */
#define TP_HAVE_SEEK 1 /* can seek to block */
#define TP_HAVE_RAS1 1 /* can run selftest 1 */
#define TP_HAVE_RAS2 1 /* can run selftest 2 */
/* These last two selftests shouldn't be used yet! */
#elif QIC02_TAPE_DRIVE == MT_ISARCHIVE_5945L2
/* can anyone verify this entry?? */
#define TP_HAVE_DENS 1 /* can do set density?? (QIC-24??) */
#define TP_HAVE_BSF 0
#define TP_HAVE_FSR 1 /* can skip one block forwards */
#define TP_HAVE_BSR 1 /* can skip one block backwards */
#define TP_HAVE_EOD 1 /* can seek to end of recorded data */
#define TP_HAVE_TELL 1 /* can read current block address */
#define TP_HAVE_SEEK 1 /* can seek to block */
#define TP_HAVE_RAS1 1 /* can run selftest 1 */
#define TP_HAVE_RAS2 1 /* can run selftest 2 */
/* These last two selftests shouldn't be used yet! */
#elif QIC02_TAPE_DRIVE == MT_ISTEAC_MT2ST
/* can anyone verify this entry?? */
#define TP_HAVE_DENS 0 /* cannot do set density?? (QIC-150?) */
#define TP_HAVE_BSF 0
#define TP_HAVE_FSR 1 /* can skip one block forwards */
#define TP_HAVE_BSR 1 /* can skip one block backwards */
#define TP_HAVE_EOD 1 /* can seek to end of recorded data */
#define TP_HAVE_SEEK 1 /* can seek to block */
#define TP_HAVE_TELL 1 /* can read current block address */
#define TP_HAVE_RAS1 1 /* can run selftest 1 */
#define TP_HAVE_RAS2 1 /* can run selftest 2 */
/* These last two selftests shouldn't be used yet! */
#elif QIC02_TAPE_DRIVE == MT_ISQIC02_ALL_FEATURES
#define TP_HAVE_DENS 1 /* can do set density */
#define TP_HAVE_BSF 1 /* can search filemark backwards */
#define TP_HAVE_FSR 1 /* can skip one block forwards */
#define TP_HAVE_BSR 1 /* can skip one block backwards */
#define TP_HAVE_EOD 1 /* can seek to end of recorded data */
#define TP_HAVE_SEEK 1 /* seek to block address */
#define TP_HAVE_TELL 1 /* tell current block address */
#define TP_HAVE_RAS1 1 /* can run selftest 1 */
#define TP_HAVE_RAS2 1 /* can run selftest 2 */
/* These last two selftests shouldn't be used yet! */
#else
#error No QIC-02 tape drive type defined!
/* If your drive is not listed above, first try the 'ALL_FEATURES',
* to see what commands are supported, then create your own entry in
* the list above. You may want to mail it to me, so that I can include
* it in the next release.
*/
#endif
#endif /* !CONFIG_QIC02_DYNCONF */
/* WANGTEK interface card specifics */
#define WT_QIC02_STAT_PORT (QIC02_TAPE_PORT)
#define WT_QIC02_CTL_PORT (QIC02_TAPE_PORT)
#define WT_QIC02_CMD_PORT (QIC02_TAPE_PORT+1)
#define WT_QIC02_DATA_PORT (QIC02_TAPE_PORT+1)
/* status register bits (Active LOW!) */
#define WT_QIC02_STAT_POLARITY 0
#define WT_QIC02_STAT_READY 0x01
#define WT_QIC02_STAT_EXCEPTION 0x02
#define WT_QIC02_STAT_MASK (WT_QIC02_STAT_READY|WT_QIC02_STAT_EXCEPTION)
#define WT_QIC02_STAT_RESETMASK 0x07
#define WT_QIC02_STAT_RESETVAL (WT_QIC02_STAT_RESETMASK & ~WT_QIC02_STAT_EXCEPTION)
/* controller register (QIC02_CTL_PORT) bits */
#define WT_QIC02_CTL_RESET 0x02
#define WT_QIC02_CTL_REQUEST 0x04
#define WT_CTL_ONLINE 0x01
#define WT_CTL_CMDOFF 0xC0
#define WT_CTL_DMA3 0x10 /* enable dma chan3 */
#define WT_CTL_DMA1 0x08 /* enable dma chan1 or chan2 */
/* EMERALD interface card specifics
* Much like Wangtek, only different polarity and bit locations
*/
#define EMR_QIC02_STAT_PORT (QIC02_TAPE_PORT)
#define EMR_QIC02_CTL_PORT (QIC02_TAPE_PORT)
#define EMR_QIC02_CMD_PORT (QIC02_TAPE_PORT+1)
#define EMR_QIC02_DATA_PORT (QIC02_TAPE_PORT+1)
/* status register bits (Active High!) */
#define EMR_QIC02_STAT_POLARITY 1
#define EMR_QIC02_STAT_READY 0x01
#define EMR_QIC02_STAT_EXCEPTION 0x02
#define EMR_QIC02_STAT_MASK (EMR_QIC02_STAT_READY|EMR_QIC02_STAT_EXCEPTION)
#define EMR_QIC02_STAT_RESETMASK 0x07
#define EMR_QIC02_STAT_RESETVAL (EMR_QIC02_STAT_RESETMASK & ~EMR_QIC02_STAT_EXCEPTION)
/* controller register (QIC02_CTL_PORT) bits */
#define EMR_QIC02_CTL_RESET 0x02
#define EMR_QIC02_CTL_REQUEST 0x04
#define EMR_CTL_ONLINE 0x01
#define EMR_CTL_CMDOFF 0xC0
#define EMR_CTL_DMA3 0x10 /* enable dma chan3 */
#define EMR_CTL_DMA1 0x08 /* enable dma chan1 or chan2 */
/* ARCHIVE interface card specifics */
#define AR_QIC02_STAT_PORT (QIC02_TAPE_PORT+1)
#define AR_QIC02_CTL_PORT (QIC02_TAPE_PORT+1)
#define AR_QIC02_CMD_PORT (QIC02_TAPE_PORT)
#define AR_QIC02_DATA_PORT (QIC02_TAPE_PORT)
#define AR_START_DMA_PORT (QIC02_TAPE_PORT+2)
#define AR_RESET_DMA_PORT (QIC02_TAPE_PORT+3)
/* STAT port bits */
#define AR_QIC02_STAT_POLARITY 0
#define AR_STAT_IRQF 0x80 /* active high, interrupt request flag */
#define AR_QIC02_STAT_READY 0x40 /* active low */
#define AR_QIC02_STAT_EXCEPTION 0x20 /* active low */
#define AR_QIC02_STAT_MASK (AR_QIC02_STAT_READY|AR_QIC02_STAT_EXCEPTION)
#define AR_STAT_DMADONE 0x10 /* active high, DMA done */
#define AR_STAT_DIRC 0x08 /* active high, direction */
#define AR_QIC02_STAT_RESETMASK 0x70 /* check RDY,EXC,DMADONE */
#define AR_QIC02_STAT_RESETVAL ((AR_QIC02_STAT_RESETMASK & ~AR_STAT_IRQF & ~AR_QIC02_STAT_EXCEPTION) | AR_STAT_DMADONE)
/* CTL port bits */
#define AR_QIC02_CTL_RESET 0x80 /* drive reset */
#define AR_QIC02_CTL_REQUEST 0x40 /* notify of new command */
#define AR_CTL_IEN 0x20 /* interrupt enable */
#define AR_CTL_DNIEN 0x10 /* done-interrupt enable */
/* Note: All of these bits are cleared automatically when writing to
* AR_RESET_DMA_PORT. So AR_CTL_IEN and AR_CTL_DNIEN must be
* reprogrammed before the write to AR_START_DMA_PORT.
*/
/* MOUNTAIN interface specifics */
#define MTN_QIC02_STAT_PORT (QIC02_TAPE_PORT+1)
#define MTN_QIC02_CTL_PORT (QIC02_TAPE_PORT+1)
#define MTN_QIC02_CMD_PORT (QIC02_TAPE_PORT)
#define MTN_QIC02_DATA_PORT (QIC02_TAPE_PORT)
#define MTN_W_SELECT_DMA_PORT (QIC02_TAPE_PORT+2)
#define MTN_R_DESELECT_DMA_PORT (QIC02_TAPE_PORT+2)
#define MTN_W_DMA_WRITE_PORT (QIC02_TAPE_PORT+3)
/* STAT port bits */
#define MTN_QIC02_STAT_POLARITY 0
#define MTN_QIC02_STAT_READY 0x02 /* active low */
#define MTN_QIC02_STAT_EXCEPTION 0x04 /* active low */
#define MTN_QIC02_STAT_MASK (MTN_QIC02_STAT_READY|MTN_QIC02_STAT_EXCEPTION)
#define MTN_STAT_DMADONE 0x01 /* active high, DMA done */
#define MTN_QIC02_STAT_RESETMASK 0x07 /* check RDY,EXC,DMADONE */
#define MTN_QIC02_STAT_RESETVAL ((MTN_QIC02_STAT_RESETMASK & ~MTN_QIC02_STAT_EXCEPTION) | MTN_STAT_DMADONE)
/* CTL port bits */
#define MTN_QIC02_CTL_RESET_NOT 0x80 /* drive reset, active low */
#define MTN_QIC02_CTL_RESET 0x80 /* Fodder #definition to keep gcc happy */
#define MTN_QIC02_CTL_ONLINE 0x40 /* Put drive on line */
#define MTN_QIC02_CTL_REQUEST 0x20 /* notify of new command */
#define MTN_QIC02_CTL_IRQ_DRIVER 0x10 /* Enable IRQ tristate driver */
#define MTN_QIC02_CTL_DMA_DRIVER 0x08 /* Enable DMA tristate driver */
#define MTN_CTL_EXC_IEN 0x04 /* Exception interrupt enable */
#define MTN_CTL_RDY_IEN 0x02 /* Ready interrupt enable */
#define MTN_CTL_DNIEN 0x01 /* done-interrupt enable */
#define MTN_CTL_ONLINE (MTN_QIC02_CTL_RESET_NOT | MTN_QIC02_CTL_IRQ_DRIVER | MTN_QIC02_CTL_DMA_DRIVER)
#ifndef CONFIG_QIC02_DYNCONF
# define QIC02_TAPE_DEBUG (qic02_tape_debug)
# if QIC02_TAPE_IFC == WANGTEK
# define QIC02_STAT_POLARITY WT_QIC02_STAT_POLARITY
# define QIC02_STAT_PORT WT_QIC02_STAT_PORT
# define QIC02_CTL_PORT WT_QIC02_CTL_PORT
# define QIC02_CMD_PORT WT_QIC02_CMD_PORT
# define QIC02_DATA_PORT WT_QIC02_DATA_PORT
# define QIC02_STAT_READY WT_QIC02_STAT_READY
# define QIC02_STAT_EXCEPTION WT_QIC02_STAT_EXCEPTION
# define QIC02_STAT_MASK WT_QIC02_STAT_MASK
# define QIC02_STAT_RESETMASK WT_QIC02_STAT_RESETMASK
# define QIC02_STAT_RESETVAL WT_QIC02_STAT_RESETVAL
# define QIC02_CTL_RESET WT_QIC02_CTL_RESET
# define QIC02_CTL_REQUEST WT_QIC02_CTL_REQUEST
# if QIC02_TAPE_DMA == 3
# ifdef QIC02_TAPE_DMA3_FIX
# define WT_CTL_DMA WT_CTL_DMA1
# else
# define WT_CTL_DMA WT_CTL_DMA3
# endif
# elif QIC02_TAPE_DMA == 1
# define WT_CTL_DMA WT_CTL_DMA1
# else
# error Unsupported or incorrect DMA configuration.
# endif
# elif QIC02_TAPE_IFC == EMERALD
# define QIC02_STAT_POLARITY EMR_QIC02_STAT_POLARITY
# define QIC02_STAT_PORT EMR_QIC02_STAT_PORT
# define QIC02_CTL_PORT EMR_QIC02_CTL_PORT
# define QIC02_CMD_PORT EMR_QIC02_CMD_PORT
# define QIC02_DATA_PORT EMR_QIC02_DATA_PORT
# define QIC02_STAT_READY EMR_QIC02_STAT_READY
# define QIC02_STAT_EXCEPTION EMR_QIC02_STAT_EXCEPTION
# define QIC02_STAT_MASK EMR_QIC02_STAT_MASK
# define QIC02_STAT_RESETMASK EMR_QIC02_STAT_RESETMASK
# define QIC02_STAT_RESETVAL EMR_QIC02_STAT_RESETVAL
# define QIC02_CTL_RESET EMR_QIC02_CTL_RESET
# define QIC02_CTL_REQUEST EMR_QIC02_CTL_REQUEST
# if QIC02_TAPE_DMA == 3
# ifdef QIC02_TAPE_DMA3_FIX
# define EMR_CTL_DMA EMR_CTL_DMA1
# else
# define EMR_CTL_DMA EMR_CTL_DMA3
# endif
# elif QIC02_TAPE_DMA == 1
# define EMR_CTL_DMA EMR_CTL_DMA1
# else
# error Unsupported or incorrect DMA configuration.
# endif
# elif QIC02_TAPE_IFC == ARCHIVE
# define QIC02_STAT_POLARITY AR_QIC02_STAT_POLARITY
# define QIC02_STAT_PORT AR_QIC02_STAT_PORT
# define QIC02_CTL_PORT AR_QIC02_CTL_PORT
# define QIC02_CMD_PORT AR_QIC02_CMD_PORT
# define QIC02_DATA_PORT AR_QIC02_DATA_PORT
# define QIC02_STAT_READY AR_QIC02_STAT_READY
# define QIC02_STAT_EXCEPTION AR_QIC02_STAT_EXCEPTION
# define QIC02_STAT_MASK AR_QIC02_STAT_MASK
# define QIC02_STAT_RESETMASK AR_QIC02_STAT_RESETMASK
# define QIC02_STAT_RESETVAL AR_QIC02_STAT_RESETVAL
# define QIC02_CTL_RESET AR_QIC02_CTL_RESET
# define QIC02_CTL_REQUEST AR_QIC02_CTL_REQUEST
# if QIC02_TAPE_DMA > 3 /* channel 2 is used by the floppy driver */
# error DMA channels other than 1 and 3 are not supported.
# endif
# elif QIC02_TAPE_IFC == MOUNTAIN
# define QIC02_STAT_POLARITY MTN_QIC02_STAT_POLARITY
# define QIC02_STAT_PORT MTN_QIC02_STAT_PORT
# define QIC02_CTL_PORT MTN_QIC02_CTL_PORT
# define QIC02_CMD_PORT MTN_QIC02_CMD_PORT
# define QIC02_DATA_PORT MTN_QIC02_DATA_PORT
# define QIC02_STAT_READY MTN_QIC02_STAT_READY
# define QIC02_STAT_EXCEPTION MTN_QIC02_STAT_EXCEPTION
# define QIC02_STAT_MASK MTN_QIC02_STAT_MASK
# define QIC02_STAT_RESETMASK MTN_QIC02_STAT_RESETMASK
# define QIC02_STAT_RESETVAL MTN_QIC02_STAT_RESETVAL
# define QIC02_CTL_RESET MTN_QIC02_CTL_RESET
# define QIC02_CTL_REQUEST MTN_QIC02_CTL_REQUEST
# if QIC02_TAPE_DMA > 3 /* channel 2 is used by the floppy driver */
# error DMA channels other than 1 and 3 are not supported.
# endif
# else
# error No valid interface card specified!
# endif /* QIC02_TAPE_IFC */
/* An ugly hack to make sure WT_CTL_DMA is defined even for the
* static, non-Wangtek case. The alternative was even worse.
*/
# ifndef WT_CTL_DMA
# define WT_CTL_DMA WT_CTL_DMA1
# endif
/*******************/
#else /* !CONFIG_QIC02_DYNCONF */
/* Now the runtime config version, using variables instead of constants.
*
* qic02_tape_dynconf is R/O for the kernel, set from userspace.
* qic02_tape_ccb is private to the driver, R/W.
*/
# define QIC02_TAPE_DRIVE (qic02_tape_dynconf.mt_type)
# define QIC02_TAPE_IFC (qic02_tape_ccb.ifc_type)
# define QIC02_TAPE_IRQ (qic02_tape_dynconf.irqnr)
# define QIC02_TAPE_DMA (qic02_tape_dynconf.dmanr)
# define QIC02_TAPE_PORT (qic02_tape_dynconf.port)
# define WT_CTL_DMA (qic02_tape_ccb.dma_enable_value)
# define QIC02_TAPE_DEBUG (qic02_tape_dynconf.debug)
# define QIC02_STAT_PORT (qic02_tape_ccb.port_stat)
# define QIC02_CTL_PORT (qic02_tape_ccb.port_ctl)
# define QIC02_CMD_PORT (qic02_tape_ccb.port_cmd)
# define QIC02_DATA_PORT (qic02_tape_ccb.port_data)
# define QIC02_STAT_POLARITY (qic02_tape_ccb.stat_polarity)
# define QIC02_STAT_READY (qic02_tape_ccb.stat_ready)
# define QIC02_STAT_EXCEPTION (qic02_tape_ccb.stat_exception)
# define QIC02_STAT_MASK (qic02_tape_ccb.stat_mask)
# define QIC02_STAT_RESETMASK (qic02_tape_ccb.stat_resetmask)
# define QIC02_STAT_RESETVAL (qic02_tape_ccb.stat_resetval)
# define QIC02_CTL_RESET (qic02_tape_ccb.ctl_reset)
# define QIC02_CTL_REQUEST (qic02_tape_ccb.ctl_request)
# define TP_HAVE_DENS (qic02_tape_dynconf.have_dens)
# define TP_HAVE_BSF (qic02_tape_dynconf.have_bsf)
# define TP_HAVE_FSR (qic02_tape_dynconf.have_fsr)
# define TP_HAVE_BSR (qic02_tape_dynconf.have_bsr)
# define TP_HAVE_EOD (qic02_tape_dynconf.have_eod)
# define TP_HAVE_SEEK (qic02_tape_dynconf.have_seek)
# define TP_HAVE_TELL (qic02_tape_dynconf.have_tell)
# define TP_HAVE_RAS1 (qic02_tape_dynconf.have_ras1)
# define TP_HAVE_RAS2 (qic02_tape_dynconf.have_ras2)
#endif /* CONFIG_QIC02_DYNCONF */
/* "Vendor Unique" codes */
/* Archive seek & tell stuff */
#define AR_QCMDV_TELL_BLK 0xAE /* read current block address */
#define AR_QCMDV_SEEK_BLK 0xAD /* seek to specific block */
#define AR_SEEK_BUF_SIZE 3 /* address is 3 bytes */
/*
* Misc common stuff
*/
/* Standard QIC-02 commands -- rev F. All QIC-02 drives must support these */
#define QCMD_SEL_1 0x01 /* select drive 1 */
#define QCMD_SEL_2 0x02 /* select drive 2 */
#define QCMD_SEL_3 0x04 /* select drive 3 */
#define QCMD_SEL_4 0x08 /* select drive 4 */
#define QCMD_REWIND 0x21 /* rewind tape */
#define QCMD_ERASE 0x22 /* erase tape */
#define QCMD_RETEN 0x24 /* retension tape */
#define QCMD_WRT_DATA 0x40 /* write data */
#define QCMD_WRT_FM 0x60 /* write file mark */
#define QCMD_RD_DATA 0x80 /* read data */
#define QCMD_RD_FM 0xA0 /* read file mark (forward direction) */
#define QCMD_RD_STAT 0xC0 /* read status */
/* Other (optional/vendor unique) commands */
/* Density commands are only valid when TP_BOM is set! */
#define QCMD_DENS_11 0x26 /* QIC-11 */
#define QCMD_DENS_24 0x27 /* QIC-24: 9 track 60MB */
#define QCMD_DENS_120 0x28 /* QIC-120: 15 track 120MB */
#define QCMD_DENS_150 0x29 /* QIC-150: 18 track 150MB */
#define QCMD_DENS_300 0x2A /* QIC-300/QIC-2100 */
#define QCMD_DENS_600 0x2B /* QIC-600/QIC-2200 */
/* don't know about QIC-1000 and QIC-1350 */
#define QCMD_WRTNU_DATA 0x40 /* write data, no underruns, insert filler. */
#define QCMD_SPACE_FWD 0x81 /* skip next block */
#define QCMD_SPACE_BCK 0x89 /* move tape head one block back -- very useful! */
#define QCMD_RD_FM_BCK 0xA8 /* read filemark (backwards) */
#define QCMD_SEEK_EOD 0xA3 /* skip to EOD */
#define QCMD_RD_STAT_X1 0xC1 /* read extended status 1 */
#define QCMD_RD_STAT_X2 0xC4 /* read extended status 2 */
#define QCMD_RD_STAT_X3 0xE0 /* read extended status 3 */
#define QCMD_SELF_TST1 0xC2 /* run self test 1 (nondestructive) */
#define QCMD_SELF_TST2 0xCA /* run self test 2 (destructive) */
/* Optional, QFA (Quick File Access) commands.
* Not all drives support this, but those that do could use these commands
* to implement semi-non-sequential access. `mt fsf` would benefit from this.
* QFA divides the tape into 2 partitions, a data and a directory partition,
* causing some incompatibility problems wrt std QIC-02 data exchange.
* It would be useful to cache the directory info, but that might be tricky
* to do in kernel-space. [Size constraints.]
* Refer to the QIC-02 specs, appendix A for more information.
* I have no idea how other *nix variants implement QFA.
* I have no idea which drives support QFA and which don't.
*/
#define QFA_ENABLE 0x2D /* enter QFA mode, give @ BOT only */
#define QFA_DATA 0x20 /* select data partition */
#define QFA_DIR 0x23 /* select directory partition */
#define QFA_RD_POS 0xCF /* read position+status bytes */
#define QFA_SEEK_EOD 0xA1 /* seek EOD within current partition */
#define QFA_SEEK_BLK 0xAF /* seek to a block within current partition */
/*
* Debugging flags
*/
#define TPQD_SENSE_TEXT 0x0001
#define TPQD_SENSE_CNTS 0x0002
#define TPQD_REWIND 0x0004
#define TPQD_TERM_CYCLE 0x0008
#define TPQD_IOCTLS 0x0010
#define TPQD_DMAX 0x0020
#define TPQD_BLKSZ 0x0040
#define TPQD_MISC 0x0080
#define TPQD_DEBUG 0x0100
#define TPQD_DIAGS 0x1000
#define TPQD_ALWAYS 0x8000
#define TPQD_DEFAULT_FLAGS 0x00fc
#define TPQDBG(f) ((QIC02_TAPE_DEBUG) & (TPQD_##f))
/* Minor device codes for tapes:
* |7|6|5|4|3|2|1|0|
* | \ | / \ | / |_____ 1=rewind on close, 0=no rewind on close
* | \|/ |_________ Density: 000=none, 001=QIC-11, 010=24, 011=120,
* | | 100=QIC-150, 101..111 reserved.
* | |_______________ Reserved for unit numbers.
* |___________________ Reserved for diagnostics during debugging.
*/
#define TP_REWCLOSE(d) ((MINOR(d)&0x01) == 1) /* rewind bit */
/* rewind is only done if data has been transfered */
#define TP_DENS(dev) ((MINOR(dev) >> 1) & 0x07) /* tape density */
#define TP_UNIT(dev) ((MINOR(dev) >> 4) & 0x07) /* unit number */
/* print excessive diagnostics */
#define TP_DIAGS(dev) (QIC02_TAPE_DEBUG & TPQD_DIAGS)
/* status codes returned by a WTS_RDSTAT call */
struct tpstatus { /* sizeof(short)==2), LSB first */
unsigned short exs; /* Drive exception flags */
unsigned short dec; /* data error count: nr of blocks rewritten/soft read errors */
unsigned short urc; /* underrun count: nr of times streaming was interrupted */
};
#define TPSTATSIZE sizeof(struct tpstatus)
/* defines for tpstatus.exs -- taken from 386BSD wt driver */
#define TP_POR 0x100 /* Power on or reset occurred */
#define TP_EOR 0x200 /* REServed for end of RECORDED media */
#define TP_PAR 0x400 /* REServed for bus parity */
#define TP_BOM 0x800 /* Beginning of media */
#define TP_MBD 0x1000 /* Marginal block detected */
#define TP_NDT 0x2000 /* No data detected */
#define TP_ILL 0x4000 /* Illegal command */
#define TP_ST1 0x8000 /* Status byte 1 flag */
#define TP_FIL 0x01 /* File mark detected */
#define TP_BNL 0x02 /* Bad block not located */
#define TP_UDA 0x04 /* Unrecoverable data error */
#define TP_EOM 0x08 /* End of media */
#define TP_WRP 0x10 /* Write protected cartridge */
#define TP_USL 0x20 /* Unselected drive */
#define TP_CNI 0x40 /* Cartridge not in place */
#define TP_ST0 0x80 /* Status byte 0 flag */
#define REPORT_ERR0 (TP_CNI|TP_USL|TP_WRP|TP_EOM|TP_UDA|TP_BNL|TP_FIL)
#define REPORT_ERR1 (TP_ILL|TP_NDT|TP_MBD|TP_PAR)
/* exception numbers */
#define EXC_UNKNOWN 0 /* (extra) Unknown exception code */
#define EXC_NDRV 1 /* No drive */
#define EXC_NCART 2 /* No cartridge */
#define EXC_WP 3 /* Write protected */
#define EXC_EOM 4 /* EOM */
#define EXC_RWA 5 /* read/write abort */
#define EXC_XBAD 6 /* read error, bad block transfered */
#define EXC_XFILLER 7 /* read error, filler block transfered */
#define EXC_NDT 8 /* read error, no data */
#define EXC_NDTEOM 9 /* read error, no data & EOM */
#define EXC_NDTBOM 10 /* read error, no data & BOM */
#define EXC_FM 11 /* Read a filemark */
#define EXC_ILL 12 /* Illegal command */
#define EXC_POR 13 /* Power on/reset */
#define EXC_MARGINAL 14 /* Marginal block detected */
#define EXC_EOR 15 /* (extra, for SEEKEOD) End Of Recorded data reached */
#define EXC_BOM 16 /* (extra) BOM reached */
#define TAPE_NOTIFY_TIMEOUT 1000000
/* internal function return codes */
#define TE_OK 0 /* everything is fine */
#define TE_EX 1 /* exception detected */
#define TE_ERR 2 /* some error */
#define TE_NS 3 /* can't read status */
#define TE_TIM 4 /* timed out */
#define TE_DEAD 5 /* tape drive doesn't respond */
#define TE_END 6 /******** Archive hack *****/
/* timeout timer values -- check these! */
#define TIM_S (4*HZ) /* 4 seconds (normal cmds) */
#define TIM_M (30*HZ) /* 30 seconds (write FM) */
#define TIM_R (8*60*HZ) /* 8 minutes (retensioning) */
#define TIM_F (2*3600*HZ) /* est. 1.2hr for full tape read/write+2 retens */
#define TIMERON(t) timer_table[QIC02_TAPE_TIMER].expires = jiffies + (t); \
timer_active |= (1<<QIC02_TAPE_TIMER)
#define TIMEROFF timer_active &= ~(1<<QIC02_TAPE_TIMER)
#define TIMERCONT timer_active |= (1<<QIC02_TAPE_TIMER)
typedef char flag;
#define NO 0 /* NO must be 0 */
#define YES 1 /* YES must be != 0 */
#ifdef TDEBUG
# define TPQDEB(s) s
# define TPQPUTS(s) tpqputs(s)
#else
# define TPQDEB(s)
# define TPQPUTS(s)
#endif
/* NR_BLK_BUF is a `tuneable parameter'. If you're really low on
* kernel space, you could decrease it to 1, or if you got a very
* slow machine, you could increase it up to 127 blocks. Less kernel
* buffer blocks result in more context-switching.
*/
#define NR_BLK_BUF 20 /* max 127 blocks */
#define TAPE_BLKSIZE 512 /* streamer tape block size (fixed) */
#define TPQBUF_SIZE (TAPE_BLKSIZE*NR_BLK_BUF) /* buffer size */
#define BLOCKS_BEYOND_EW 2 /* nr of blocks after Early Warning hole */
#define BOGUS_IRQ 32009
/* This is internal data, filled in based on the ifc_type field given
* by the user. Everex is mapped to Wangtek with a different
* `dma_enable_value', if dmanr==3.
*/
struct qic02_ccb {
long ifc_type;
unsigned short port_stat; /* Status port address */
unsigned short port_ctl; /* Control port address */
unsigned short port_cmd; /* Command port address */
unsigned short port_data; /* Data port address */
/* status register bits */
unsigned short stat_polarity; /* invert status bits or not */
unsigned short stat_ready; /* drive ready */
unsigned short stat_exception; /* drive signals exception */
unsigned short stat_mask;
unsigned short stat_resetmask;
unsigned short stat_resetval;
/* control register bits */
unsigned short ctl_reset; /* reset drive */
unsigned short ctl_request; /* latch command */
/* This is used to change the DMA3 behaviour */
unsigned short dma_enable_value;
};
#if MODULE
static int qic02_tape_init(void);
#else
extern int qic02_tape_init(void); /* for mem.c */
#endif
#endif /* CONFIG_QIC02_TAPE */
#endif /* _LINUX_TPQIC02_H */
