1 /* $NetBSD: vsbus.h,v 1.21 2022/12/12 18:22:32 jakllsch 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* 30 * Generic definitions for the (virtual) vsbus. contains common info 31 * used by all VAXstations. 32 */ 33 34 #ifndef _VAX_VSBUS_H_ 35 #define _VAX_VSBUS_H_ 36 37 #include <machine/bus.h> 38 #include <machine/sgmap.h> 39 40 struct vsbus_attach_args { 41 vaddr_t va_addr; /* virtual CSR address */ 42 paddr_t va_paddr; /* physical CSR address */ 43 short va_br; /* Interrupt level */ 44 short va_cvec; /* Interrupt vector address */ 45 u_char va_maskno; /* Interrupt vector in mask */ 46 vaddr_t va_dmaaddr; /* DMA area address */ 47 vsize_t va_dmasize; /* DMA area size */ 48 bus_space_tag_t va_memt; 49 bus_dma_tag_t va_dmat; 50 }; 51 52 /* 53 * Some chip addresses and constants, same on all VAXstations. 54 */ 55 #define VS_CFGTST 0x20020000 /* config register */ 56 #define VS_REGS 0x20080000 /* Misc CPU internal regs */ 57 #define VS_REGS_KA49 0x25c00000 /* ... same, on 512KB ROM systems */ 58 #define NI_ADDR 0x20090000 /* Ethernet address */ 59 #define DZ_CSR 0x200a0000 /* DZ11-compatible chip csr */ 60 #define DZ_CSR_KA49 0x25000000 /* ... same, on 512KB ROM systems */ 61 #define VS_CLOCK 0x200b0000 /* clock chip address */ 62 #define SCA_REGS 0x200c0000 /* disk device addresses */ 63 #define SCA_REGS_KA49 0x26000000 /* ... same, on 512KB ROM systems */ 64 #define NI_BASE 0x200e0000 /* LANCE CSRs */ 65 #define NI_IOSIZE (128 * VAX_NBPG) /* IO address size */ 66 67 #define KA49_SCSIMAP 0x27000000 /* KA49 SCSI SGMAP */ 68 /* 69 * Small monochrome graphics framebuffer, present on all machines. 70 */ 71 #define SMADDR 0x30000000 72 #define SMSIZE 0x20000 /* Actually 256k, only 128k used */ 73 74 struct vsbus_softc { 75 device_t sc_dev; 76 volatile u_char *sc_intmsk; /* Mask register */ 77 volatile u_char *sc_intclr; /* Clear interrupt register */ 78 volatile u_char *sc_intreq; /* Interrupt request register */ 79 u_char sc_mask; /* Interrupts to enable after autoconf */ 80 vaddr_t sc_vsregs; /* Where the VS_REGS are mapped */ 81 vaddr_t sc_dmaaddr; /* Mass storage virtual DMA area */ 82 vsize_t sc_dmasize; /* Size of the DMA area */ 83 84 bus_space_tag_t sc_iot; 85 struct vax_bus_dma_tag sc_dmatag; 86 struct vax_sgmap sc_sgmap; 87 }; 88 89 struct vsbus_dma { 90 SIMPLEQ_ENTRY(vsbus_dma) vd_q; 91 void (*vd_go)(void *); 92 void *vd_arg; 93 }; 94 95 #ifdef _KERNEL 96 void vsbus_dma_init(struct vsbus_softc *, unsigned ptecnt); 97 u_char vsbus_setmask(int); 98 void vsbus_clrintr(int); 99 void vsbus_copytoproc(struct proc *, void *, void *, int); 100 void vsbus_copyfromproc(struct proc *, void *, void *, int); 101 void vsbus_dma_start(struct vsbus_dma *); 102 void vsbus_dma_intr(void); 103 #endif 104 #endif /* _VAX_VSBUS_H_ */ 105