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Annotation of sys/arch/powerpc/pci/pci_machdep.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: pci_machdep.h,v 1.15 2006/05/10 00:07:40 brad 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:  * Machine-specific definitions for PCI autoconfiguration.
                     32:  */
                     33:
                     34: /*
                     35:  * Types provided to machine-independent PCI code
                     36:  */
                     37: typedef struct ppc_pci_chipset *pci_chipset_tag_t;
                     38: typedef u_long pcitag_t;
                     39: typedef u_long pci_intr_handle_t;
                     40:
                     41: /*
                     42:  * ppc-specific PCI structure and type definitions.
                     43:  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
                     44:  */
                     45: struct ppc_pci_chipset {
                     46:        void            *pc_conf_v;
                     47:        void            (*pc_attach_hook)(struct device *,
                     48:                            struct device *, struct pcibus_attach_args *);
                     49:        int             (*pc_bus_maxdevs)(void *, int);
                     50:        pcitag_t        (*pc_make_tag)(void *, int, int, int);
                     51:        void            (*pc_decompose_tag)(void *, pcitag_t, int *,
                     52:                            int *, int *);
                     53:        pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
                     54:        void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
                     55:
                     56:        void            *pc_intr_v;
                     57:        int             (*pc_intr_map)(void *, pcitag_t, int, int,
                     58:                            pci_intr_handle_t *);
                     59:        const char      *(*pc_intr_string)(void *, pci_intr_handle_t);
                     60:        int             (*pc_intr_line)(void *, pci_intr_handle_t);
                     61:        void            *(*pc_intr_establish)(void *, pci_intr_handle_t,
                     62:                            int, int (*)(void *), void *, char *);
                     63:        void            (*pc_intr_disestablish)(void *, void *);
                     64:        int             (*pc_ether_hw_addr)(struct ppc_pci_chipset *, u_int8_t *);
                     65: };
                     66:
                     67: int            pci_intr_line(pci_intr_handle_t ih);
                     68:
                     69: /*
                     70:  * Functions provided to machine-independent PCI code.
                     71:  */
                     72: #define        pci_attach_hook(p, s, pba)                                      \
                     73:     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
                     74: #define        pci_bus_maxdevs(c, b)                                           \
                     75:     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
                     76: #define        pci_make_tag(c, b, d, f)                                        \
                     77:     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
                     78: #define        pci_decompose_tag(c, t, bp, dp, fp)                             \
                     79:     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
                     80: #define        pci_conf_read(c, t, r)                                          \
                     81:     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
                     82: #define        pci_conf_write(c, t, r, v)                                      \
                     83:     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
                     84: #define        pci_intr_map(pa, ihp)                                           \
                     85:     (*((pa)->pa_pc)->pc_intr_map)((pa)->pa_pc->pc_intr_v,              \
                     86:        (pa)->pa_intrtag, (pa)->pa_intrpin, (pa)->pa_intrline, (ihp))
                     87: #define        pci_intr_line(ih)       (ih)
                     88: #define        pci_intr_string(c, ih)                                          \
                     89:     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
                     90: #define        pci_intr_establish(c, ih, l, h, a, nm)                          \
                     91:     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm))
                     92: #define        pci_intr_disestablish(c, iv)                                    \
                     93:     (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
                     94: #define        pci_ether_hw_addr(c, s)                                         \
                     95:     (*(c)->pc_ether_hw_addr)((c), (s))
                     96: