1 /* $NetBSD: ofisavar.h,v 1.8 2021/04/30 02:13:15 thorpej 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 #include <dev/ofw/openfirm.h> 40 #include <dev/isa/isavar.h> 41 42 struct ofisa_attach_args { 43 struct ofbus_attach_args oba; /* common */ 44 45 bus_space_tag_t iot; /* i/o space tag */ 46 bus_space_tag_t memt; /* mem space tag */ 47 bus_dma_tag_t dmat; /* DMA tag */ 48 isa_chipset_tag_t ic; /* chipset tag (for intr, etc.) */ 49 }; 50 51 struct ofisa_reg_desc { 52 int type; /* type. XXX aliasing modifiers? */ 53 bus_addr_t addr; /* base address. */ 54 bus_size_t len; /* length. */ 55 }; 56 57 #define OFISA_REG_TYPE_MEM 0 /* memory space */ 58 #define OFISA_REG_TYPE_IO 1 /* I/O space */ 59 60 struct ofisa_intr_desc { 61 int share; /* sharing type: IST_*. */ 62 int irq; /* IRQ. */ 63 }; 64 65 struct ofisa_dma_desc { 66 int drq; /* DMA request */ 67 int mode; /* DMA mode */ 68 int width; /* DMA width */ 69 int countwidth; /* DMA count width */ 70 int busmaster; /* boolean; is a busmaster */ 71 }; 72 73 #define OFISA_DMA_MODE_COMPAT 0 /* compatibility mode */ 74 #define OFISA_DMA_MODE_A 1 /* DMA A mode */ 75 #define OFISA_DMA_MODE_B 2 /* DMA B mode */ 76 #define OFISA_DMA_MODE_F 3 /* DMA F mode */ 77 #define OFISA_DMA_MODE_C 4 /* DMA C mode */ 78 79 /* 80 * Machine-dependent function/macro definitions. 81 * 82 * Machine-dependent code must implement at least: 83 * 84 * int ofisa_get_isabus_data(int phandle, 85 * struct isabus_attach_args *iba); 86 * 87 * int ofisa_ignore_child(int pphandle, int cphandle); 88 * 89 * Individual ofisa attachments may want addition functions or 90 * macros from this (or other) headers. See those attachments' 91 * files for more details. 92 */ 93 #include <machine/ofisa_machdep.h> 94 95 int ofisa_reg_count(int); 96 int ofisa_reg_get(int, struct ofisa_reg_desc *, int); 97 void ofisa_reg_print(struct ofisa_reg_desc *, int); 98 int ofisa_intr_count(int); 99 int ofisa_intr_get(int, struct ofisa_intr_desc *, int); 100 void ofisa_intr_print(struct ofisa_intr_desc *, int); 101 int ofisa_dma_count(int); 102 int ofisa_dma_get(int, struct ofisa_dma_desc *, int); 103 void ofisa_dma_print(struct ofisa_dma_desc *, int); 104 void ofisa_print_model(device_t, int); 105 int ofisaprint(void *, const char *); 106 107 #endif /* _DEV_OFISA_OFISAVAR_H_ */ 108