sys/arch/vax/include/vsbus.h

   1 /*      $NetBSD: vsbus.h,v 1.17 2008/02/03 08:42:48 matt Exp $ */
   2 /*
   3  * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
   4  * All rights reserved.
   5  *
   6  * This code is derived from software contributed to Ludd by Bertram Barth.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed at Ludd, University of
  19  *      Lule}, Sweden and its contributors.
  20  * 4. 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 WARRANTIES
  25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 /*
  36  * Generic definitions for the (virtual) vsbus. contains common info
  37  * used by all VAXstations.
  38  */
  39
  40 #ifndef _VAX_VSBUS_H_
  41 #define _VAX_VSBUS_H_
  42
  43 #include <machine/bus.h>
  44 #include <machine/sgmap.h>
  45
  46 struct  vsbus_attach_args {
  47         vaddr_t va_addr;                /* virtual CSR address */
  48         paddr_t va_paddr;               /* physical CSR address */
  49         short   va_br;                  /* Interrupt level */
  50         short   va_cvec;                /* Interrupt vector address */
  51         u_char  va_maskno;              /* Interrupt vector in mask */
  52         vaddr_t va_dmaaddr;             /* DMA area address */
  53         vsize_t va_dmasize;             /* DMA area size */
  54         bus_space_tag_t va_memt;
  55         bus_dma_tag_t va_dmat;
  56 };
  57
  58 /*
  59  * Some chip addresses and constants, same on all VAXstations.
  60  */
  61 #define VS_CFGTST       0x20020000      /* config register */
  62 #define VS_REGS         0x20080000      /* Misc CPU internal regs */
  63 #define NI_ADDR         0x20090000      /* Ethernet address */
  64 #define DZ_CSR          0x200a0000      /* DZ11-compatible chip csr */
  65 #define VS_CLOCK        0x200b0000      /* clock chip address */
  66 #define SCA_REGS        0x200c0000      /* disk device addresses */
  67 #define NI_BASE         0x200e0000      /* LANCE CSRs */
  68 #define NI_IOSIZE       (128 * VAX_NBPG)    /* IO address size */
  69
  70 #define KA49_SCSIMAP    0x27000000      /* KA49 SCSI SGMAP */
  71 /*
  72  * Small monochrome graphics framebuffer, present on all machines.
  73  */
  74 #define SMADDR          0x30000000
  75 #define SMSIZE          0x20000         /* Actually 256k, only 128k used */
  76
  77 struct  vsbus_softc {
  78         device_t sc_dev;
  79         u_char  *sc_intmsk;     /* Mask register */
  80         u_char  *sc_intclr;     /* Clear interrupt register */
  81         u_char  *sc_intreq;     /* Interrupt request register */
  82         u_char  sc_mask;        /* Interrupts to enable after autoconf */
  83         vaddr_t sc_vsregs;      /* Where the VS_REGS are mapped */
  84         vaddr_t sc_dmaaddr;     /* Mass storage virtual DMA area */
  85         vsize_t sc_dmasize;     /* Size of the DMA area */
  86
  87         bus_space_tag_t sc_iot;
  88         struct vax_bus_dma_tag sc_dmatag;
  89         struct vax_sgmap sc_sgmap;
  90 };
  91
  92 struct vsbus_dma {
  93         SIMPLEQ_ENTRY(vsbus_dma) vd_q;
  94         void (*vd_go)(void *);
  95         void *vd_arg;
  96 };
  97
  98 #ifdef _KERNEL
  99 void    vsbus_dma_init(struct vsbus_softc *, unsigned ptecnt);
 100 u_char  vsbus_setmask(int);
 101 void    vsbus_clrintr(int);
 102 void    vsbus_copytoproc(struct proc *, void *, void *, int);
 103 void    vsbus_copyfromproc(struct proc *, void *, void *, int);
 104 void    vsbus_dma_start(struct vsbus_dma *);
 105 void    vsbus_dma_intr(void);
 106 #endif
 107 #endif /* _VAX_VSBUS_H_ */