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Annotation of sys/arch/arm/include/pci_machdep.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: pci_machdep.h,v 1.4 2005/09/20 00:54:16 brad Exp $    */
        !             2: /*     $NetBSD: pci_machdep.h,v 1.2 2002/05/15 19:23:52 thorpej Exp $  */
        !             3:
        !             4: /*
        !             5:  * Modified for arm32 by Mark Brinicombe
        !             6:  *
        !             7:  * from: sys/arch/alpha/pci/pci_machdep.h
        !             8:  *
        !             9:  * Copyright (c) 1996 Carnegie-Mellon University.
        !            10:  * All rights reserved.
        !            11:  *
        !            12:  * Author: Chris G. Demetriou
        !            13:  *
        !            14:  * Permission to use, copy, modify and distribute this software and
        !            15:  * its documentation is hereby granted, provided that both the copyright
        !            16:  * notice and this permission notice appear in all copies of the
        !            17:  * software, derivative works or modified versions, and any portions
        !            18:  * thereof, and that both notices appear in supporting documentation.
        !            19:  *
        !            20:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            21:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            22:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            23:  *
        !            24:  * Carnegie Mellon requests users of this software to return to
        !            25:  *
        !            26:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            27:  *  School of Computer Science
        !            28:  *  Carnegie Mellon University
        !            29:  *  Pittsburgh PA 15213-3890
        !            30:  *
        !            31:  * any improvements or extensions that they make and grant Carnegie the
        !            32:  * rights to redistribute these changes.
        !            33:  */
        !            34:
        !            35: /*
        !            36:  * Machine-specific definitions for PCI autoconfiguration.
        !            37:  */
        !            38:
        !            39: /*
        !            40:  * Types provided to machine-independent PCI code
        !            41:  */
        !            42: typedef struct arm32_pci_chipset       *pci_chipset_tag_t;
        !            43: typedef u_long pcitag_t;
        !            44: typedef u_long pci_intr_handle_t;
        !            45:
        !            46: /*
        !            47:  * Forward declarations.
        !            48:  */
        !            49: struct pci_attach_args;
        !            50:
        !            51: /*
        !            52:  * arm32-specific PCI structure and type definitions.
        !            53:  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
        !            54:  */
        !            55: struct arm32_pci_chipset {
        !            56:        void            *pc_conf_v;
        !            57:        void            (*pc_attach_hook)(struct device *,
        !            58:                            struct device *, struct pcibus_attach_args *);
        !            59:        int             (*pc_bus_maxdevs)(void *, int);
        !            60:        pcitag_t        (*pc_make_tag)(void *, int, int, int);
        !            61:        void            (*pc_decompose_tag)(void *, pcitag_t, int *,
        !            62:                            int *, int *);
        !            63:        pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
        !            64:        void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
        !            65:
        !            66:        void            *pc_intr_v;
        !            67:        int             (*pc_intr_map)(struct pci_attach_args *,
        !            68:                            pci_intr_handle_t *);
        !            69:        const char      *(*pc_intr_string)(void *, pci_intr_handle_t);
        !            70:        void            *(*pc_intr_establish)(void *, pci_intr_handle_t,
        !            71:                            int, int (*)(void *), void *, char *);
        !            72:        void            (*pc_intr_disestablish)(void *, void *);
        !            73: };
        !            74:
        !            75: /*
        !            76:  * Functions provided to machine-independent PCI code.
        !            77:  */
        !            78: #define        pci_attach_hook(p, s, pba)                                      \
        !            79:     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
        !            80: #define        pci_bus_maxdevs(c, b)                                           \
        !            81:     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
        !            82: #define        pci_make_tag(c, b, d, f)                                        \
        !            83:     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
        !            84: #define        pci_decompose_tag(c, t, bp, dp, fp)                             \
        !            85:     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
        !            86: #define        pci_conf_read(c, t, r)                                          \
        !            87:     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
        !            88: #define        pci_conf_write(c, t, r, v)                                      \
        !            89:     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
        !            90: #define        pci_intr_map(pa, ihp)                                           \
        !            91:     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
        !            92: #define        pci_intr_string(c, ih)                                          \
        !            93:     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
        !            94: #define        pci_intr_establish(c, ih, l, h, a, n)                           \
        !            95:     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (n))
        !            96: #define        pci_intr_disestablish(c, iv)                                    \
        !            97:     (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))