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      1 /* $NetBSD: eisa_machdep.h,v 1.13 2021/09/25 20:16:17 thorpej 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 (at) 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 void		eisa_attach_hook(device_t, device_t,
     55 		    struct eisabus_attach_args *);
     56 int		eisa_maxslots(eisa_chipset_tag_t);
     57 int		eisa_intr_map(eisa_chipset_tag_t, u_int, eisa_intr_handle_t *);
     58 const char *	eisa_intr_string(eisa_chipset_tag_t, eisa_intr_handle_t,
     59 		    char *, size_t);
     60 const struct evcnt *eisa_intr_evcnt(eisa_chipset_tag_t, eisa_intr_handle_t);
     61 void *		eisa_intr_establish(eisa_chipset_tag_t, eisa_intr_handle_t,
     62 		    int, int, int (*)(void *), void *);
     63 void		eisa_intr_disestablish(eisa_chipset_tag_t, void *);
     64 
     65 int		eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int,
     66 		    struct eisa_cfg_mem *);
     67 int		eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int,
     68 		    struct eisa_cfg_irq *);
     69 int		eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int,
     70 		    struct eisa_cfg_dma *);
     71 int		eisa_conf_read_io(eisa_chipset_tag_t, int, int, int,
     72 		    struct eisa_cfg_io *);
     73 
     74 /*
     75  * Internal functions, NOT TO BE USED BY MACHINE-INDEPENDENT CODE!
     76  */
     77 
     78 void	eisa_init(eisa_chipset_tag_t);
     79 
     80 extern bus_size_t eisa_config_stride;
     81 extern paddr_t eisa_config_addr;
     82