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Annotation of sys/arch/sparc64/include/pci_machdep.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: pci_machdep.h,v 1.17 2007/08/04 16:39:15 kettenis Exp $       */
                      2: /* $NetBSD: pci_machdep.h,v 1.7 2001/07/20 00:07:14 eeh Exp $ */
                      3:
                      4: /*
                      5:  * Copyright (c) 1999 Matthew R. Green
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. The name of the author may not be used to endorse or promote products
                     17:  *    derived from this software without specific prior written permission.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     20:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     21:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     22:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     23:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
                     24:  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
                     25:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
                     26:  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
                     27:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29:  * SUCH DAMAGE.
                     30:  */
                     31:
                     32: #ifndef _MACHINE_PCI_MACHDEP_H_
                     33: #define _MACHINE_PCI_MACHDEP_H_
                     34:
                     35: /*
                     36:  * Forward declarations.
                     37:  */
                     38: struct pci_attach_args;
                     39:
                     40: /*
                     41:  * define some bits used to glue into the common PCI code.
                     42:  */
                     43:
                     44: typedef struct sparc_pci_chipset *pci_chipset_tag_t;
                     45: typedef u_int pci_intr_handle_t;
                     46:
                     47: /*
                     48:  * The stuuuuuuupid allegedly MI PCI code expects pcitag_t to be a
                     49:  * scalar type.  But we really need to store both the OFW node and
                     50:  * the bus/device/function info in it.  (We'd like to store more,
                     51:  * like all the ofw properties, but we don't need to.)  Luckily,
                     52:  * both are 32-bit values, so we can squeeze them into a u_int64_t
                     53:  * with a little help from some macros.
                     54:  */
                     55:
                     56: #define        PCITAG_NODE(x)          (int)(((x)>>32)&0xffffffff)
                     57: #define        PCITAG_OFFSET(x)        ((x)&0xffffffff)
                     58: #define        PCITAG_BUS(t)           ((PCITAG_OFFSET(t)>>16)&0xff)
                     59: #define        PCITAG_DEV(t)           ((PCITAG_OFFSET(t)>>11)&0x1f)
                     60: #define        PCITAG_FUN(t)           ((PCITAG_OFFSET(t)>>8)&0x7)
                     61: #define        PCITAG_CREATE(n,b,d,f)  (((u_int64_t)(n)<<32)|((b)<<16)|((d)<<11)|((f)<<8))
                     62: #define        PCITAG_SETNODE(t,n)     ((t)&0xffffffff)|(((n)<<32)
                     63: typedef u_int64_t pcitag_t;
                     64:
                     65: struct sparc_pci_chipset {
                     66:        void                    *cookie;
                     67:        bus_space_tag_t         bustag;
                     68:        bus_space_handle_t      bushandle;
                     69:        int                     rootnode;       /* PCI controller */
                     70:        int                     tagshift;
                     71:        int (*intr_map)(struct pci_attach_args *, pci_intr_handle_t *);
                     72: };
                     73:
                     74: void           pci_attach_hook(struct device *, struct device *,
                     75:                                     struct pcibus_attach_args *);
                     76: int            pci_bus_maxdevs(pci_chipset_tag_t, int);
                     77: pcitag_t       pci_make_tag(pci_chipset_tag_t, int, int, int);
                     78: void           pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *,
                     79:                    int *);
                     80: pcireg_t       pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
                     81: void           pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
                     82:                                    pcireg_t);
                     83: int            pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
                     84: int            pci_intr_line(pci_intr_handle_t);
                     85: const char     *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
                     86: void           *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
                     87:                                 int, int (*)(void *), void *, char *);
                     88: void           pci_intr_disestablish(pci_chipset_tag_t, void *);
                     89:
                     90: int            sparc64_pci_enumerate_bus(struct pci_softc *,
                     91:                    int (*match)(struct pci_attach_args *),
                     92:                    struct pci_attach_args *);
                     93:
                     94: #define PCI_MACHDEP_ENUMERATE_BUS sparc64_pci_enumerate_bus
                     95:
                     96: #define pciide_machdep_compat_intr_establish(a, b, c, d, e) (NULL)
                     97: #define pciide_machdep_compat_intr_disestablish(a, b) do { } while (0)
                     98:
                     99: #endif /* _MACHINE_PCI_MACHDEP_H_ */