tpqic02.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:27k
- /* $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 transferred */
- #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 transferred */
- #define EXC_XFILLER 7 /* read error, filler block transferred */
- #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) mod_timer(&tp_timer, jiffies + (t))
- #define TIMEROFF del_timer_sync(&tp_timer);
- #define TIMERCONT add_timer(&tp_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 */