The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ct/ctvar.h

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    1 /* $FreeBSD: releng/9.1/sys/dev/ct/ctvar.h 139749 2005-01-06 01:43:34Z imp $ */
    2 /*      $NecBSD: ctvar.h,v 1.4.14.3 2001/06/20 06:13:34 honda Exp $     */
    3 /*      $NetBSD$        */
    4 
    5 /*-
    6  * [NetBSD for NEC PC-98 series]
    7  *  Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001
    8  *      NetBSD/pc98 porting staff. All rights reserved.
    9  *  Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001
   10  *      Naofumi HONDA. All rights reserved.
   11  * 
   12  *  Redistribution and use in source and binary forms, with or without
   13  *  modification, are permitted provided that the following conditions
   14  *  are met:
   15  *  1. Redistributions of source code must retain the above copyright
   16  *     notice, this list of conditions and the following disclaimer.
   17  *  2. Redistributions in binary form must reproduce the above copyright
   18  *     notice, this list of conditions and the following disclaimer in the
   19  *     documentation and/or other materials provided with the distribution.
   20  *  3. The name of the author may not be used to endorse or promote products
   21  *     derived from this software without specific prior written permission.
   22  * 
   23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   26  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   32  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   33  * POSSIBILITY OF SUCH DAMAGE.
   34  */
   35 
   36 #ifndef _CTVAR_H_
   37 #define _CTVAR_H_
   38 /*
   39  * ctvar.h
   40  * Generic wd33c93 chip driver's definitions
   41  */
   42 
   43 /*****************************************************************
   44  * Host adapter structure
   45  *****************************************************************/
   46 struct ct_bus_access_handle {
   47         bus_space_tag_t ch_iot;                 /* core chip ctrl port tag */
   48         bus_space_tag_t ch_delayt;              /* delay port tag */
   49         bus_space_tag_t ch_datat;               /* data port tag (pio) */
   50         bus_space_tag_t ch_memt;                /* data port tag (shm) */
   51 
   52         bus_space_handle_t ch_ioh;
   53         bus_space_handle_t ch_delaybah;
   54         bus_space_handle_t ch_datah;
   55         bus_space_handle_t ch_memh;
   56 
   57         void (*ch_bus_weight)(struct ct_bus_access_handle *);
   58 
   59 #ifdef  CT_USE_RELOCATE_OFFSET
   60         bus_addr_t ch_offset[4];
   61 #endif  /* CT_USE_RELOCATE_OFFSET */
   62 };
   63 
   64 struct ct_softc {
   65         struct scsi_low_softc sc_sclow;         /* generic data */
   66 
   67         struct ct_bus_access_handle sc_ch;      /* bus access handle */
   68 
   69 #ifdef  __NetBSD__
   70         bus_dma_tag_t sc_dmat;                  /* data DMA tag */
   71 
   72         void *sc_ih;
   73 #endif  /* __NetBSD__ */
   74 
   75 #ifdef  __FreeBSD__
   76         struct resource *port_res;
   77         struct resource *mem_res;
   78         struct resource *irq_res;
   79         struct resource *drq_res;
   80 
   81         bus_dma_tag_t sc_dmat;                  /* data DMA tag */
   82         bus_dmamap_t sc_dmamapt;                /* data DMAMAP tag */
   83 
   84         void *sc_ih;
   85 #endif  /* __FreeBSD__ */
   86 
   87         int sc_chiprev;                 /* chip version */      
   88 #define CT_WD33C93                      0x00000
   89 #define CT_WD33C93_A                    0x10000
   90 #define CT_AM33C93_A                    0x10001
   91 #define CT_WD33C93_B                    0x20000
   92 #define CT_WD33C93_C                    0x30000
   93 
   94         int sc_xmode;
   95 #define CT_XMODE_PIO                    1
   96 #define CT_XMODE_DMA                    2
   97 
   98         int sc_dma;                     /* dma transfer start */
   99 #define CT_DMA_PIOSTART                 1
  100 #define CT_DMA_DMASTART                 2
  101 
  102         int sc_satgo;                   /* combination cmd start */
  103 #define CT_SAT_GOING                    1
  104 
  105         int sc_tmaxcnt;
  106         int sc_atten;                   /* attention */
  107         u_int8_t sc_creg;               /* control register value */
  108 
  109         int sc_chipclk;                 /* chipclk 0, 10, 15, 20 */
  110         struct ct_synch_data {
  111                 u_int cs_period;
  112                 u_int cs_syncr;
  113         } *sc_sdp;                      /* synchronous data table pt */
  114 
  115         struct ct_synch_data sc_default_sdt[16];
  116 
  117         /*
  118          * Machdep stuff.
  119          */
  120         void *ct_hw;                    /* point to bshw_softc etc ... */
  121         int (*ct_dma_xfer_start)(struct ct_softc *);
  122         int (*ct_pio_xfer_start)(struct ct_softc *);
  123         void (*ct_dma_xfer_stop)(struct ct_softc *);
  124         void (*ct_pio_xfer_stop)(struct ct_softc *);
  125         void (*ct_bus_reset)(struct ct_softc *);
  126         void (*ct_synch_setup)(struct ct_softc *, struct targ_info *);
  127 };
  128 
  129 /*****************************************************************
  130  * Lun information 
  131  *****************************************************************/
  132 struct ct_targ_info {
  133         struct targ_info cti_ti;
  134         
  135         u_int8_t cti_syncreg;
  136 };
  137 
  138 /*****************************************************************
  139  * PROTO
  140  *****************************************************************/
  141 int ctprobesubr(struct ct_bus_access_handle *, u_int, int, u_int, int *);
  142 void ctattachsubr(struct ct_softc *);
  143 int ctprint(void *, const char *);
  144 int ctintr(void *);
  145 #endif  /* !_CTVAR_H_ */

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