1 /* $NetBSD: vsbus.h,v 1.19 2012/06/28 13:58:21 abs 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 VS_REGS_KA49 0x25c00000 /* ... same, on 512KB ROM systems */ 64 #define NI_ADDR 0x20090000 /* Ethernet address */ 65 #define DZ_CSR 0x200a0000 /* DZ11-compatible chip csr */ 66 #define DZ_CSR_KA49 0x25000000 /* ... same, on 512KB ROM systems */ 67 #define VS_CLOCK 0x200b0000 /* clock chip address */ 68 #define SCA_REGS 0x200c0000 /* disk device addresses */ 69 #define SCA_REGS_KA49 0x26000000 /* ... same, on 512KB ROM systems */ 70 #define NI_BASE 0x200e0000 /* LANCE CSRs */ 71 #define NI_IOSIZE (128 * VAX_NBPG) /* IO address size */ 72 73 #define KA49_SCSIMAP 0x27000000 /* KA49 SCSI SGMAP */ 74 /* 75 * Small monochrome graphics framebuffer, present on all machines. 76 */ 77 #define SMADDR 0x30000000 78 #define SMSIZE 0x20000 /* Actually 256k, only 128k used */ 79 80 struct vsbus_softc { 81 device_t sc_dev; 82 u_char *sc_intmsk; /* Mask register */ 83 u_char *sc_intclr; /* Clear interrupt register */ 84 u_char *sc_intreq; /* Interrupt request register */ 85 u_char sc_mask; /* Interrupts to enable after autoconf */ 86 vaddr_t sc_vsregs; /* Where the VS_REGS are mapped */ 87 vaddr_t sc_dmaaddr; /* Mass storage virtual DMA area */ 88 vsize_t sc_dmasize; /* Size of the DMA area */ 89 90 bus_space_tag_t sc_iot; 91 struct vax_bus_dma_tag sc_dmatag; 92 struct vax_sgmap sc_sgmap; 93 }; 94 95 struct vsbus_dma { 96 SIMPLEQ_ENTRY(vsbus_dma) vd_q; 97 void (*vd_go)(void *); 98 void *vd_arg; 99 }; 100 101 #ifdef _KERNEL 102 void vsbus_dma_init(struct vsbus_softc *, unsigned ptecnt); 103 u_char vsbus_setmask(int); 104 void vsbus_clrintr(int); 105 void vsbus_copytoproc(struct proc *, void *, void *, int); 106 void vsbus_copyfromproc(struct proc *, void *, void *, int); 107 void vsbus_dma_start(struct vsbus_dma *); 108 void vsbus_dma_intr(void); 109 #endif 110 #endif /* _VAX_VSBUS_H_ */ 111