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/* $OpenBSD: vsbus.h,v 1.5 2000/10/09 23:11:57 bjc Exp $ */
/* $NetBSD: vsbus.h,v 1.13 2000/06/25 16:00:46 ragge Exp $ */
/*
* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* This code is derived from software contributed to Ludd by Bertram Barth.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Generic definitions for the (virtual) vsbus. contains common info
* used by all VAXstations.
*/
#ifndef _VAX_VSBUS_H_
#define _VAX_VSBUS_H_
#include <machine/bus.h>
#include <machine/sgmap.h>
struct vsbus_softc {
struct device sc_dev;
#if 0
volatile struct vs_cpu *sc_cpu;
#endif
u_char *sc_intmsk; /* Mask register */
u_char *sc_intclr; /* Clear interrupt register */
u_char *sc_intreq; /* Interrupt request register */
u_char sc_mask; /* Interrupts to enable after autoconf */
vaddr_t sc_vsregs; /* Where the VS_REGS are mapped */
vaddr_t sc_dmaaddr; /* Mass storage virtual DMA area */
vsize_t sc_dmasize; /* Size of the DMA area */
struct vax_bus_dma_tag sc_dmatag;
struct vax_sgmap sc_sgmap;
};
struct vsbus_dma {
SIMPLEQ_ENTRY(vsbus_dma) vd_q;
void (*vd_go)(void *);
void *vd_arg;
};
struct confargs {
char ca_name[16]; /* device name */
int ca_intslot; /* device interrupt-slot */
int ca_intpri; /* device interrupt "priority" */
int ca_intvec; /* interrup-vector offset */
int ca_intbit; /* bit in interrupt-register */
int ca_ioaddr; /* device hardware I/O address */
int ca_aux1; /* additional info (DMA, etc.) */
int ca_aux2;
int ca_aux3;
int ca_aux4;
int ca_aux5;
int ca_aux6;
int ca_aux7;
int ca_aux8;
#define ca_recvslot ca_intslot /* DC/DZ: Receiver configuration */
#define ca_recvpri ca_intpri
#define ca_recvvec ca_intvec
#define ca_recvbit ca_intbit
#define ca_xmitslot ca_aux1 /* DC/DZ: transmitter configuration */
#define ca_xmitpri ca_aux2 /* DC/DZ: */
#define ca_xmitvec ca_aux3
#define ca_xmitbit ca_aux4
#define ca_dcflags ca_aux5
#define ca_dareg ca_aux1 /* SCSI: DMA address register */
#define ca_dcreg ca_aux2 /* SCSI: DMA byte count register */
#define ca_ddreg ca_aux3 /* SCSI: DMA transfer direction */
#define ca_dbase ca_aux4 /* SCSI: DMA buffer address */
#define ca_dsize ca_aux5 /* SCSI: DMA buffer size */
#define ca_dflag ca_aux6 /* SCSI: DMA flags (eg. shared) */
#define ca_idval ca_aux7 /* SCSI: host-ID to use/set */
#define ca_idreg ca_aux8 /* SCSI: host-ID port register */
#define ca_enaddr ca_aux1 /* LANCE: Ethernet address in ROM */
#define ca_leflags ca_aux2
};
struct vsbus_attach_args {
vaddr_t va_addr; /* virtual CSR address */
paddr_t va_paddr; /* physical CSR address */
void (*va_ivec) __P((void *)); /* Interrupt routine */
void *va_vecarg; /* Interrupt routine argument */
short va_br; /* Interrupt level */
short va_cvec; /* Interrupt vector address */
u_char va_maskno; /* Interrupt vector in mask */
vaddr_t va_dmaaddr; /* DMA area address */
vsize_t va_dmasize; /* DMA area size */
bus_space_tag_t va_iot;
bus_dma_tag_t va_dmat;
struct confargs *confargs;
};
/*
* Some chip addresses and constants, same on all VAXstations.
*/
#define VS_CFGTST 0x20020000 /* config register */
#define VS_REGS 0x20080000 /* Misc cpu internal regs */
#define NI_ADDR 0x20090000 /* Ethernet address */
#define DZ_CSR 0x200a0000 /* DZ11-compatible chip csr */
#define VS_CLOCK 0x200b0000 /* clock chip address */
#define SCA_REGS 0x200c0000 /* disk device addresses */
#define NI_BASE 0x200e0000 /* LANCE CSRs */
#define NI_IOSIZE (128 * VAX_NBPG) /* IO address size */
#define KA49_SCSIMAP 0x27000000 /* KA49 SCSI SGMAP */
/*
* Small monochrome graphics framebuffer, present on all machines.
*/
#define SMADDR 0x30000000
#define SMSIZE 0x20000 /* Actually 256k, only 128k used */
#ifdef _KERNEL
void vsbus_dma_init __P((struct vsbus_softc *, unsigned ptecnt));
u_char vsbus_setmask __P((unsigned char));
void vsbus_clrintr __P((unsigned char));
void vsbus_intr __P((void *));
void vsbus_copytoproc __P((struct proc *, caddr_t, caddr_t, int));
void vsbus_copyfromproc __P((struct proc *, caddr_t, caddr_t, int));
void vsbus_dma_start __P((struct vsbus_dma *));
void vsbus_dma_intr __P((void));
#endif
#endif /* _VAX_VSBUS_H_ */
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