1 /* $NetBSD: ofisavar.h,v 1.4 1999/03/19 03:30:35 cgd Exp $ */ 2 3 /* 4 * Copyright 1998 5 * Digital Equipment Corporation. All rights reserved. 6 * 7 * This software is furnished under license and may be used and 8 * copied only in accordance with the following terms and conditions. 9 * Subject to these conditions, you may download, copy, install, 10 * use, modify and distribute this software in source and/or binary 11 * form. No title or ownership is transferred hereby. 12 * 13 * 1) Any source code used, modified or distributed must reproduce 14 * and retain this copyright notice and list of conditions as 15 * they appear in the source file. 16 * 17 * 2) No right is granted to use any trade name, trademark, or logo of 18 * Digital Equipment Corporation. Neither the "Digital Equipment 19 * Corporation" name nor any trademark or logo of Digital Equipment 20 * Corporation may be used to endorse or promote products derived 21 * from this software without the prior written permission of 22 * Digital Equipment Corporation. 23 * 24 * 3) This software is provided "AS-IS" and any express or implied 25 * warranties, including but not limited to, any implied warranties 26 * of merchantability, fitness for a particular purpose, or 27 * non-infringement are disclaimed. In no event shall DIGITAL be 28 * liable for any damages whatsoever, and in particular, DIGITAL 29 * shall not be liable for special, indirect, consequential, or 30 * incidental damages or damages for lost profits, loss of 31 * revenue or loss of use, whether such damages arise in contract, 32 * negligence, tort, under statute, in equity, at law or otherwise, 33 * even if advised of the possibility of such damage. 34 */ 35 36 #ifndef _DEV_OFISA_OFISAVAR_H_ 37 #define _DEV_OFISA_OFISAVAR_H_ 38 39 struct ofisa_attach_args { 40 struct ofbus_attach_args oba; /* common */ 41 42 bus_space_tag_t iot; /* i/o space tag */ 43 bus_space_tag_t memt; /* mem space tag */ 44 bus_dma_tag_t dmat; /* DMA tag */ 45 isa_chipset_tag_t ic; /* chipset tag (for intr, etc.) */ 46 }; 47 48 struct ofisa_reg_desc { 49 int type; /* type. XXX aliasing modifiers? */ 50 bus_addr_t addr; /* base address. */ 51 bus_size_t len; /* length. */ 52 }; 53 54 #define OFISA_REG_TYPE_MEM 0 /* memory space */ 55 #define OFISA_REG_TYPE_IO 1 /* I/O space */ 56 57 struct ofisa_intr_desc { 58 int share; /* sharing type: IST_*. */ 59 int irq; /* IRQ. */ 60 }; 61 62 struct ofisa_dma_desc { 63 int drq; /* DMA request */ 64 int mode; /* DMA mode */ 65 int width; /* DMA width */ 66 int countwidth; /* DMA count width */ 67 int busmaster; /* boolean; is a busmaster */ 68 }; 69 70 #define OFISA_DMA_MODE_COMPAT 0 /* compatibility mode */ 71 #define OFISA_DMA_MODE_A 1 /* DMA A mode */ 72 #define OFISA_DMA_MODE_B 2 /* DMA B mode */ 73 #define OFISA_DMA_MODE_F 3 /* DMA F mode */ 74 #define OFISA_DMA_MODE_C 4 /* DMA C mode */ 75 76 /* 77 * Machine-dependent function/macro definitions. 78 * 79 * Machine-dependent code must implement at least: 80 * 81 * int ofisa_get_isabus_data(int phandle, 82 * struct isabus_attach_args *iba); 83 * 84 * int ofisa_ignore_child(int pphandle, int cphandle); 85 * 86 * Individual ofisa attachments may want addition functions or 87 * macros from this (or other) headers. See those attachments' 88 * files for more details. 89 */ 90 #include <machine/ofisa_machdep.h> 91 92 int ofisa_reg_count __P((int)); 93 int ofisa_reg_get __P((int, struct ofisa_reg_desc *, int)); 94 void ofisa_reg_print __P((struct ofisa_reg_desc *, int)); 95 int ofisa_intr_count __P((int)); 96 int ofisa_intr_get __P((int, struct ofisa_intr_desc *, int)); 97 void ofisa_intr_print __P((struct ofisa_intr_desc *, int)); 98 int ofisa_dma_count __P((int)); 99 int ofisa_dma_get __P((int, struct ofisa_dma_desc *, int)); 100 void ofisa_dma_print __P((struct ofisa_dma_desc *, int)); 101 102 #endif /* _DEV_OFISA_OFISAVAR_H_ */ 103