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Annotation of sys/arch/vax/include/vsbus.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: vsbus.h,v 1.9 2006/12/13 21:11:23 miod Exp $ */
                      2: /*     $NetBSD: vsbus.h,v 1.13 2000/06/25 16:00:46 ragge Exp $ */
                      3: /*
                      4:  * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Ludd by Bertram Barth.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. All advertising materials mentioning features or use of this software
                     18:  *    must display the following acknowledgement:
                     19:  *      This product includes software developed at Ludd, University of
                     20:  *      Lule}, Sweden and its contributors.
                     21:  * 4. The name of the author may not be used to endorse or promote products
                     22:  *    derived from this software without specific prior written permission
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     25:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     26:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     27:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     28:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     29:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     30:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     31:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     32:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     33:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     34:  */
                     35:
                     36: /*
                     37:  * Generic definitions for the (virtual) vsbus. contains common info
                     38:  * used by all VAXstations.
                     39:  */
                     40:
                     41: #ifndef _VAX_VSBUS_H_
                     42: #define _VAX_VSBUS_H_
                     43:
                     44: #include <machine/bus.h>
                     45: #include <machine/sgmap.h>
                     46:
                     47: struct vsbus_attach_args {
                     48:        vaddr_t va_addr;                /* virtual CSR address */
                     49:        paddr_t va_paddr;               /* physical CSR address */
                     50:
                     51:        short   va_br;                  /* Interrupt level */
                     52:        int     va_cvec;                /* Interrupt vector address */
                     53:        u_char  va_maskno;              /* Interrupt vector in mask */
                     54:        vaddr_t va_dmaaddr;             /* DMA area address */
                     55:        vsize_t va_dmasize;             /* DMA area size */
                     56:        bus_space_tag_t va_iot;
                     57:        bus_dma_tag_t va_dmat;
                     58: };
                     59:
                     60: /*
                     61:  * Some chip addresses and constants, same on all VAXstations.
                     62:  */
                     63: #define VS_CFGTST      0x20020000      /* config register */
                     64: #define VS_REGS         0x20080000      /* Misc cpu internal regs */
                     65: #define NI_ADDR         0x20090000      /* Ethernet address */
                     66: #define DZ_CSR          0x200a0000      /* DZ11-compatible chip csr */
                     67: #define VS_CLOCK        0x200b0000      /* clock chip address */
                     68: #define SCA_REGS        0x200c0000      /* disk device addresses */
                     69: #define NI_BASE         0x200e0000      /* LANCE CSRs */
                     70: #define NI_IOSIZE       (128 * VAX_NBPG)    /* IO address size */
                     71:
                     72: #define        KA49_SCSIMAP    0x27000000      /* KA49 SCSI SGMAP */
                     73: /*
                     74:  * Small monochrome graphics framebuffer, present on all machines.
                     75:  */
                     76: #define        SMADDR          0x30000000
                     77: #define        SMSIZE          0x20000         /* Actually 256k, only 128k used */
                     78:
                     79: struct vsbus_softc {
                     80:        struct  device sc_dev;
                     81:        u_char  *sc_intmsk;     /* Mask register */
                     82:        u_char  *sc_intclr;     /* Clear interrupt register */
                     83:        u_char  *sc_intreq;     /* Interrupt request register */
                     84:        u_char  sc_mask;        /* Interrupts to enable after autoconf */
                     85:        vaddr_t sc_vsregs;      /* Where the VS_REGS are mapped */
                     86:        vaddr_t sc_dmaaddr;     /* Mass storage virtual DMA area */
                     87:        vsize_t sc_dmasize;     /* Size of the DMA area */
                     88:
                     89:        struct vax_bus_dma_tag sc_dmatag;
                     90:        struct vax_sgmap sc_sgmap;
                     91: };
                     92:
                     93: struct vsbus_dma {
                     94:        SIMPLEQ_ENTRY(vsbus_dma) vd_q;
                     95:        void (*vd_go)(void *);
                     96:        void *vd_arg;
                     97: };
                     98:
                     99: #ifdef _KERNEL
                    100: void   vsbus_dma_init(struct vsbus_softc *, unsigned ptecnt);
                    101: u_char vsbus_setmask(int);
                    102: void   vsbus_clrintr(int);
                    103: void   vsbus_copytoproc(struct proc *, caddr_t, caddr_t, int);
                    104: void   vsbus_copyfromproc(struct proc *, caddr_t, caddr_t, int);
                    105: void   vsbus_dma_start(struct vsbus_dma *);
                    106: void   vsbus_dma_intr(void);
                    107: #endif
                    108: #endif /* _VAX_VSBUS_H_ */