1 /* $NetBSD: eisa_machdep.h,v 1.12 2014/03/29 19:28:25 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 /* 31 * Types provided to machine-independent EISA code. 32 */ 33 typedef struct alpha_eisa_chipset *eisa_chipset_tag_t; 34 typedef int eisa_intr_handle_t; 35 36 struct alpha_eisa_chipset { 37 void *ec_v; 38 39 void (*ec_attach_hook)(device_t, device_t, 40 struct eisabus_attach_args *); 41 int (*ec_maxslots)(void *); 42 int (*ec_intr_map)(void *, u_int, eisa_intr_handle_t *); 43 const char *(*ec_intr_string)(void *, eisa_intr_handle_t, char *, 44 size_t); 45 const struct evcnt *(*ec_intr_evcnt)(void *, eisa_intr_handle_t); 46 void *(*ec_intr_establish)(void *, eisa_intr_handle_t, 47 int, int, int (*)(void *), void *); 48 void (*ec_intr_disestablish)(void *, void *); 49 }; 50 51 /* 52 * Functions provided to machine-independent EISA code. 53 */ 54 #define eisa_attach_hook(p, s, a) \ 55 (*(a)->eba_ec->ec_attach_hook)((p), (s), (a)) 56 #define eisa_maxslots(c) \ 57 (*(c)->ec_maxslots)((c)->ec_v) 58 #define eisa_intr_map(c, i, hp) \ 59 (*(c)->ec_intr_map)((c)->ec_v, (i), (hp)) 60 #define eisa_intr_string(c, h, buf, len) \ 61 (*(c)->ec_intr_string)((c)->ec_v, (h), (buf), (len)) 62 #define eisa_intr_evcnt(c, h) \ 63 (*(c)->ec_intr_evcnt)((c)->ec_v, (h)) 64 #define eisa_intr_establish(c, h, t, l, f, a) \ 65 (*(c)->ec_intr_establish)((c)->ec_v, (h), (t), (l), (f), (a)) 66 #define eisa_intr_disestablish(c, h) \ 67 (*(c)->ec_intr_disestablish)((c)->ec_v, (h)) 68 69 int eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int, 70 struct eisa_cfg_mem *); 71 int eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int, 72 struct eisa_cfg_irq *); 73 int eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int, 74 struct eisa_cfg_dma *); 75 int eisa_conf_read_io(eisa_chipset_tag_t, int, int, int, 76 struct eisa_cfg_io *); 77 78 /* 79 * Internal functions, NOT TO BE USED BY MACHINE-INDEPENDENT CODE! 80 */ 81 82 void eisa_init(eisa_chipset_tag_t); 83 84 extern bus_size_t eisa_config_stride; 85 extern paddr_t eisa_config_addr; 86