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

1.1       nbrk        1: /*     $OpenBSD: pci_machdep.h,v 1.20 2006/03/26 20:23:08 brad Exp $   */
                      2: /*     $NetBSD: pci_machdep.h,v 1.6 1996/11/19 04:49:21 cgd Exp $      */
                      3:
                      4: /*
                      5:  * Copyright (c) 1996 Carnegie-Mellon University.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Author: Chris G. Demetriou
                      9:  *
                     10:  * Permission to use, copy, modify and distribute this software and
                     11:  * its documentation is hereby granted, provided that both the copyright
                     12:  * notice and this permission notice appear in all copies of the
                     13:  * software, derivative works or modified versions, and any portions
                     14:  * thereof, and that both notices appear in supporting documentation.
                     15:  *
                     16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
                     18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     19:  *
                     20:  * Carnegie Mellon requests users of this software to return to
                     21:  *
                     22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
                     23:  *  School of Computer Science
                     24:  *  Carnegie Mellon University
                     25:  *  Pittsburgh PA 15213-3890
                     26:  *
                     27:  * any improvements or extensions that they make and grant Carnegie the
                     28:  * rights to redistribute these changes.
                     29:  */
                     30:
                     31: /*
                     32:  * Machine-specific definitions for PCI autoconfiguration.
                     33:  */
                     34:
                     35: /*
                     36:  * Types provided to machine-independent PCI code
                     37:  */
                     38: typedef struct alpha_pci_chipset *pci_chipset_tag_t;
                     39: typedef u_long pcitag_t;
                     40: typedef u_long pci_intr_handle_t;
                     41:
                     42: /*
                     43:  * Forward declarations.
                     44:  */
                     45: struct pci_attach_args;
                     46:
                     47: /*
                     48:  * alpha-specific PCI structure and type definitions.
                     49:  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
                     50:  */
                     51: struct alpha_pci_chipset {
                     52:        void            *pc_conf_v;
                     53:        void            (*pc_attach_hook)(struct device *,
                     54:                            struct device *, struct pcibus_attach_args *);
                     55:        int             (*pc_bus_maxdevs)(void *, int);
                     56:        pcitag_t        (*pc_make_tag)(void *, int, int, int);
                     57:        void            (*pc_decompose_tag)(void *, pcitag_t, int *,
                     58:                            int *, int *);
                     59:        pcireg_t        (*pc_conf_read)(void *, pcitag_t, int);
                     60:        void            (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
                     61:
                     62:        void            *pc_intr_v;
                     63:        int             (*pc_intr_map)(void *, pcitag_t, int, int,
                     64:                            pci_intr_handle_t *);
                     65:        const char      *(*pc_intr_string)(void *, pci_intr_handle_t);
                     66:        int             (*pc_intr_line)(void *, pci_intr_handle_t);
                     67:        void            *(*pc_intr_establish)(void *, pci_intr_handle_t,
                     68:                            int, int (*)(void *), void *, char *);
                     69:        void            (*pc_intr_disestablish)(void *, void *);
                     70:
                     71:         /* alpha-specific */
                     72:         void            *(*pc_pciide_compat_intr_establish)(void *,
                     73:                             struct device *, struct pci_attach_args *, int,
                     74:                             int (*)(void *), void *);
                     75:        void            (*pc_pciide_compat_intr_disestablish)(void *,
                     76:                            void *);
                     77:        char            *pc_name;       /* PCI chipset name */
                     78:        vaddr_t         pc_mem;         /* PCI memory address */
                     79:        vaddr_t         pc_dense;       /* PCI dense memory address */
                     80:        vaddr_t         pc_ports;       /* PCI port address */
                     81:        long            pc_hae_mask;    /* PCI chipset mask for HAE register */
                     82:        int             pc_bwx;         /* chipset supports BWX */
                     83: };
                     84:
                     85: extern struct alpha_pci_chipset *alpha_pci_chipset;
                     86: int alpha_sysctl_chipset(int *, u_int, char *, size_t *);
                     87:
                     88: /*
                     89:  * Functions provided to machine-independent PCI code.
                     90:  */
                     91: #define        pci_attach_hook(p, s, pba)                                      \
                     92:     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
                     93: #define        pci_bus_maxdevs(c, b)                                           \
                     94:     (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
                     95: #define        pci_make_tag(c, b, d, f)                                        \
                     96:     (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
                     97: #define        pci_decompose_tag(c, t, bp, dp, fp)                             \
                     98:     (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
                     99: #define        pci_conf_read(c, t, r)                                          \
                    100:     (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
                    101: #define        pci_conf_write(c, t, r, v)                                      \
                    102:     (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
                    103: #define        pci_intr_map(pa, ihp)                                           \
                    104:     (*((pa)->pa_pc)->pc_intr_map)((pa)->pa_pc->pc_intr_v,              \
                    105:        (pa)->pa_intrtag, (pa)->pa_intrpin, (pa)->pa_intrline, (ihp))
                    106: #define        pci_intr_string(c, ih)                                          \
                    107:     (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
                    108: #define        pci_intr_line(c, ih)                                            \
                    109:     (*(c)->pc_intr_line)((c)->pc_intr_v, (ih))
                    110: #define        pci_intr_establish(c, ih, l, h, a, nm)                          \
                    111:     (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm))
                    112: #define        pci_intr_disestablish(c, iv)                                    \
                    113:     (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
                    114:
                    115: /*
                    116:  * alpha-specific PCI functions.
                    117:  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
                    118:  */
                    119: void   pci_display_console(bus_space_tag_t, bus_space_tag_t,
                    120:            pci_chipset_tag_t, int, int, int);
                    121: #define alpha_pciide_compat_intr_establish(c, d, p, ch, f, a)          \
                    122:     ((c)->pc_pciide_compat_intr_establish == NULL ? NULL :             \
                    123:      (*(c)->pc_pciide_compat_intr_establish)((c)->pc_conf_v, (d), (p), \
                    124:         (ch), (f), (a)))
                    125:
                    126: #define alpha_pciide_compat_intr_disestablish(c, cookie)               \
                    127:     do { if ((c)->pc_pciide_compat_intr_disestablish != NULL)          \
                    128:            ((c)->pc_pciide_compat_intr_disestablish)((c)->pc_conf_v,   \
                    129:             (cookie)); } while (0)
                    130:
                    131: #ifdef _KERNEL
                    132: void pci_display_console(bus_space_tag_t, bus_space_tag_t, pci_chipset_tag_t, int, int, int);
                    133: #endif /* _KERNEL */