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Annotation of sys/dev/pci/pucvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: pucvar.h,v 1.5 2006/07/31 11:06:33 mickey Exp $       */
                      2: /*     $NetBSD: pucvar.h,v 1.2 1999/02/06 06:29:54 cgd Exp $   */
                      3:
                      4: /*
                      5:  * Copyright (c) 1998, 1999 Christopher G. Demetriou.  All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *      This product includes software developed by Christopher G. Demetriou
                     18:  *     for the NetBSD Project.
                     19:  * 4. The name of the author may not be used to endorse or promote products
                     20:  *    derived from this software without specific prior written permission
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32:  */
                     33:
                     34: /*
                     35:  * Exported (or conveniently located) PCI "universal" communications card
                     36:  * software structures.
                     37:  *
                     38:  * Author: Christopher G. Demetriou, May 14, 1998.
                     39:  */
                     40:
                     41: #define        PUC_MAX_PORTS           8
                     42:
                     43: struct puc_device_description {
                     44:        u_long  rval[4];
                     45:        u_long  rmask[4];
                     46:        struct {
                     47:                u_char  type;
                     48:                u_char  bar;
                     49:                u_short offset;
                     50:                int     flags;
                     51:        }                       ports[PUC_MAX_PORTS];
                     52: };
                     53:
                     54: #define        PUC_REG_VEND            0
                     55: #define        PUC_REG_PROD            1
                     56: #define        PUC_REG_SVEND           2
                     57: #define        PUC_REG_SPROD           3
                     58:
                     59: #define        PUC_PORT_TYPE_NONE      0
                     60: #define        PUC_PORT_TYPE_COM       1
                     61: #define        PUC_PORT_TYPE_LPT       2
                     62:
                     63: #define        PUC_PORT_VALID(desc, port) \
                     64:   ((port) < PUC_MAX_PORTS && (desc)->ports[(port)].type != PUC_PORT_TYPE_NONE)
                     65: #define PUC_PORT_BAR_INDEX(bar)        (((bar) - PCI_MAPREG_START) / 4)
                     66:
                     67: /* Flags for PUC_PORT_TYPE_COM */
                     68: /* * assume all clock rates have 8 lower bits to 0 - this leaves us 8 flags */
                     69: #define PUC_COM_CLOCKMASK 0xffffff00
                     70:
                     71: struct puc_attach_args {
                     72:        int                     port;
                     73:        int                     type;
                     74:        int                     hwtype;
                     75:        void                    *puc;
                     76:
                     77:        bus_addr_t              a;
                     78:        bus_space_tag_t         t;
                     79:        bus_space_handle_t      h;
                     80:        int                     flags;
                     81:
                     82:        const char *(*intr_string)(struct puc_attach_args *);
                     83:        void *(*intr_establish)(struct puc_attach_args *, int, int (*)(void *),
                     84:            void *, char *);
                     85: };
                     86:
                     87: extern const struct puc_device_description puc_devices[];
                     88:
                     89: #define        PUC_NBARS       6
                     90: struct puc_softc {
                     91:        struct device           sc_dev;
                     92:
                     93:        /* static configuration data */
                     94:        const struct puc_device_description *sc_desc;
                     95:
                     96:        /* card-global dynamic data */
                     97:        struct {
                     98:                int             mapped;
                     99:                u_long          type;
                    100:                bus_addr_t      a;
                    101:                bus_size_t      s;
                    102:                bus_space_tag_t t;
                    103:                bus_space_handle_t h;
                    104:        } sc_bar_mappings[PUC_NBARS];
                    105:
                    106:        /* per-port dynamic data */
                    107:        struct {
                    108:                struct device   *dev;
                    109:                /* filled in by port attachments */
                    110:                int     (*ihand)(void *);
                    111:                void    *ihandarg;
                    112:        } sc_ports[PUC_MAX_PORTS];
                    113: };
                    114:
                    115: const struct puc_device_description *
                    116:     puc_find_description(u_long, u_long, u_long, u_long);
                    117: void   puc_print_ports(const struct puc_device_description *);
                    118: void   puc_common_attach(struct puc_softc *, struct puc_attach_args *);
                    119: int    puc_print(void *, const char *);
                    120: int    puc_submatch(struct device *, void *, void *);