1 /* $NetBSD: eisa_machdep.h,v 1.14 2015/04/27 08:30:11 knakahara Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Machine-specific definitions for EISA autoconfiguration. 35 */ 36 37 /* 38 * i386-specific EISA definitions. 39 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 40 */ 41 #define EISA_ID "EISA" 42 #define EISA_ID_LEN (sizeof(EISA_ID) - 1) 43 #define EISA_ID_PADDR 0xfffd9 44 45 extern struct x86_bus_dma_tag eisa_bus_dma_tag; 46 47 /* EISA Edge/Level trigger control registers */ 48 #define ELCR0 0x4d0 /* eisa irq 0-7 */ 49 #define ELCR1 0x4d1 /* eisa irq 8-15 */ 50 51 #include <machine/intr.h> /* for intr_handle_t */ 52 /* 53 * Types provided to machine-independent EISA code. 54 */ 55 typedef void *eisa_chipset_tag_t; 56 typedef intr_handle_t eisa_intr_handle_t; 57 58 /* 59 * Functions provided to machine-independent EISA code. 60 */ 61 void eisa_attach_hook(device_t, device_t, 62 struct eisabus_attach_args *); 63 int eisa_maxslots(eisa_chipset_tag_t); 64 int eisa_intr_map(eisa_chipset_tag_t, u_int, 65 eisa_intr_handle_t *); 66 const char *eisa_intr_string(eisa_chipset_tag_t, eisa_intr_handle_t, 67 char *, size_t); 68 const struct evcnt *eisa_intr_evcnt(eisa_chipset_tag_t, eisa_intr_handle_t); 69 void *eisa_intr_establish(eisa_chipset_tag_t, 70 eisa_intr_handle_t, int, int, int (*)(void *), void *); 71 void eisa_intr_disestablish(eisa_chipset_tag_t, void *); 72 73 int eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int, 74 struct eisa_cfg_mem *); 75 int eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int, 76 struct eisa_cfg_irq *); 77 int eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int, 78 struct eisa_cfg_dma *); 79 int eisa_conf_read_io(eisa_chipset_tag_t, int, int, int, 80 struct eisa_cfg_io *); 81