Home | History | Annotate | Line # | Download | only in include
pci_machdep.h revision 1.20 
      1 /* $NetBSD: pci_machdep.h,v 1.20 2020/09/26 02:46:27 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 #ifndef _ALPHA_PCI_MACHDEP_H_
     31 #define	_ALPHA_PCI_MACHDEP_H_
     32 
     33 #include <sys/errno.h>
     34 
     35 /*
     36  * Machine-specific definitions for PCI autoconfiguration.
     37  */
     38 #define	__HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
     39 
     40 /*
     41  * Types provided to machine-independent PCI code
     42  */
     43 typedef struct alpha_pci_chipset *pci_chipset_tag_t;
     44 typedef u_long pcitag_t;
     45 typedef struct {
     46 	u_long value;
     47 } pci_intr_handle_t;
     48 
     49 /*
     50  * Forward declarations.
     51  */
     52 struct pci_attach_args;
     53 struct alpha_shared_intr;
     54 
     55 /*
     56  * alpha-specific PCI structure and type definitions.
     57  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     58  */
     59 struct alpha_pci_chipset {
     60 	void		*pc_conf_v;
     61 	void		(*pc_attach_hook)(device_t, device_t,
     62 			    struct pcibus_attach_args *);
     63 	int		(*pc_bus_maxdevs)(void *, int);
     64 	pcitag_t	(*pc_make_tag)(void *, int, int, int);
     65 	void		(*pc_decompose_tag)(void *, pcitag_t, int *,
     66 			    int *, int *);
     67 	pcireg_t	(*pc_conf_read)(void *, pcitag_t, int);
     68 	void		(*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
     69 
     70 	void		*pc_intr_v;
     71 	int		(*pc_intr_map)(const struct pci_attach_args *,
     72 			    pci_intr_handle_t *);
     73 	const char	*(*pc_intr_string)(pci_chipset_tag_t,
     74 			    pci_intr_handle_t, char *, size_t);
     75 	const struct evcnt *(*pc_intr_evcnt)(pci_chipset_tag_t,
     76 			    pci_intr_handle_t);
     77 	void		*(*pc_intr_establish)(pci_chipset_tag_t,
     78 			    pci_intr_handle_t, int, int (*)(void *), void *);
     79 	void		(*pc_intr_disestablish)(pci_chipset_tag_t, void *);
     80 
     81 	void		*(*pc_pciide_compat_intr_establish)(device_t,
     82 			    const struct pci_attach_args *, int,
     83 			    int (*)(void *), void *);
     84 
     85 	struct alpha_shared_intr *pc_shared_intrs;
     86 	const char	*pc_intr_desc;
     87 	u_long		pc_vecbase;
     88 	u_int		pc_nirq;
     89 
     90 	u_long		pc_eligible_cpus;
     91 
     92 	void		(*pc_intr_enable)(pci_chipset_tag_t, int);
     93 	void		(*pc_intr_disable)(pci_chipset_tag_t, int);
     94 	void		(*pc_intr_set_affinity)(pci_chipset_tag_t, int,
     95 			    struct cpu_info *);
     96 };
     97 
     98 /*
     99  * Functions provided to machine-independent PCI code.
    100  */
    101 void	pci_attach_hook(device_t, device_t, struct pcibus_attach_args *);
    102 int	pci_bus_maxdevs(pci_chipset_tag_t, int);
    103 pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
    104 void	pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *, int *);
    105 pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
    106 void	pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
    107 
    108 int	pci_intr_map(const struct pci_attach_args *, pci_intr_handle_t *);
    109 const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t,
    110 	    char *, size_t);
    111 const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
    112 void	*pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, int,
    113 	    int (*)(void *), void *);
    114 void	pci_intr_disestablish(pci_chipset_tag_t, void *);
    115 
    116 /*
    117  * alpha-specific PCI functions.
    118  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
    119  */
    120 void	pci_display_console(bus_space_tag_t, bus_space_tag_t,
    121 	    pci_chipset_tag_t, int, int, int);
    122 void	device_pci_register(device_t, void *);
    123 
    124 int	alpha_pci_generic_intr_map(const struct pci_attach_args *,
    125 	    pci_intr_handle_t *);
    126 const char *alpha_pci_generic_intr_string(pci_chipset_tag_t,
    127 	    pci_intr_handle_t, char *, size_t);
    128 const struct evcnt *alpha_pci_generic_intr_evcnt(pci_chipset_tag_t,
    129 	    pci_intr_handle_t);
    130 void	*alpha_pci_generic_intr_establish(pci_chipset_tag_t,
    131 	    pci_intr_handle_t, int, int (*)(void *), void *);
    132 void	alpha_pci_generic_intr_disestablish(pci_chipset_tag_t, void *);
    133 void	alpha_pci_generic_iointr(void *, unsigned long);
    134 
    135 void	alpha_pci_intr_handle_init(pci_intr_handle_t *, u_int, u_int);
    136 void	alpha_pci_intr_handle_set_irq(pci_intr_handle_t *, u_int);
    137 u_int	alpha_pci_intr_handle_get_irq(const pci_intr_handle_t *);
    138 void	alpha_pci_intr_handle_set_flags(pci_intr_handle_t *, u_int);
    139 u_int	alpha_pci_intr_handle_get_flags(const pci_intr_handle_t *);
    140 
    141 #endif /* _ALPHA_PCI_MACHDEP_H_ */
    142