The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/pccard/pccardvarp.h

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    1 /*-
    2  * Copyright (c) 2005, M. Warner Losh
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice unmodified, this list of conditions, and the following
   10  *    disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD: releng/6.0/sys/dev/pccard/pccardvarp.h 151590 2005-10-23 18:23:27Z imp $
   28  */
   29 
   30 #ifndef _PCCARD_PCCARDVARP_H
   31 #define _PCCARD_PCCARDVARP_H
   32 
   33 /* pccard itself */
   34 
   35 #define PCCARD_MEM_PAGE_SIZE            1024
   36 
   37 #define PCCARD_CFE_MWAIT_REQUIRED       0x0001
   38 #define PCCARD_CFE_RDYBSY_ACTIVE        0x0002
   39 #define PCCARD_CFE_WP_ACTIVE            0x0004
   40 #define PCCARD_CFE_BVD_ACTIVE           0x0008
   41 #define PCCARD_CFE_IO8                  0x0010
   42 #define PCCARD_CFE_IO16                 0x0020
   43 #define PCCARD_CFE_IRQSHARE             0x0040
   44 #define PCCARD_CFE_IRQPULSE             0x0080
   45 #define PCCARD_CFE_IRQLEVEL             0x0100
   46 #define PCCARD_CFE_POWERDOWN            0x0200
   47 #define PCCARD_CFE_READONLY             0x0400
   48 #define PCCARD_CFE_AUDIO                0x0800
   49 
   50 struct pccard_config_entry {
   51         int             number;
   52         uint32_t        flags;
   53         int             iftype;
   54         int             num_iospace;
   55 
   56         /*
   57          * The card will only decode this mask in any case, so we can
   58          * do dynamic allocation with this in mind, in case the suggestions
   59          * below are no good.
   60          */
   61         u_long          iomask;
   62         struct {
   63                 u_long  length;
   64                 u_long  start;
   65         } iospace[4];           /* XXX this could be as high as 16 */
   66         uint16_t        irqmask;
   67         int             num_memspace;
   68         struct {
   69                 u_long  length;
   70                 u_long  cardaddr;
   71                 u_long  hostaddr;
   72         } memspace[2];          /* XXX this could be as high as 8 */
   73         int             maxtwins;
   74         STAILQ_ENTRY(pccard_config_entry) cfe_list;
   75 };
   76 
   77 struct pccard_funce_disk {
   78         int pfd_interface;
   79 };
   80 
   81 struct pccard_funce_lan {
   82         int pfl_nidlen;
   83         uint8_t pfl_nid[8];
   84 };
   85 
   86 union pccard_funce {
   87         struct pccard_funce_disk pfv_disk;
   88         struct pccard_funce_lan pfv_lan;
   89 };
   90 
   91 struct pccard_function {
   92         /* read off the card */
   93         int             number;
   94         int             function;
   95         int             last_config_index;
   96         uint32_t        ccr_base;       /* Offset with card's memory */
   97         uint32_t        ccr_mask;
   98         struct resource *ccr_res;
   99         int             ccr_rid;
  100         STAILQ_HEAD(, pccard_config_entry) cfe_head;
  101         STAILQ_ENTRY(pccard_function) pf_list;
  102         /* run-time state */
  103         struct pccard_softc *sc;
  104         struct pccard_config_entry *cfe;
  105         struct pccard_mem_handle pf_pcmh;
  106         device_t        dev;
  107 #define pf_ccrt         pf_pcmh.memt
  108 #define pf_ccrh         pf_pcmh.memh
  109 #define pf_ccr_realsize pf_pcmh.realsize
  110         uint32_t        pf_ccr_offset;  /* Offset from ccr_base of CIS */
  111         int             pf_ccr_window;
  112         bus_addr_t      pf_mfc_iobase;
  113         bus_addr_t      pf_mfc_iomax;
  114         int             pf_flags;
  115         driver_intr_t   *intr_handler;
  116         void            *intr_handler_arg;
  117         void            *intr_handler_cookie;
  118 
  119         union pccard_funce pf_funce; /* CISTPL_FUNCE */
  120 #define pf_funce_disk_interface pf_funce.pfv_disk.pfd_interface
  121 #define pf_funce_lan_nid pf_funce.pfv_lan.pfl_nid
  122 #define pf_funce_lan_nidlen pf_funce.pfv_lan.pfl_nidlen
  123 };
  124 
  125 /* pf_flags */
  126 #define PFF_ENABLED     0x0001          /* function is enabled */
  127 
  128 struct pccard_card {
  129         int             cis1_major;
  130         int             cis1_minor;
  131         /* XXX waste of space? */
  132         char            cis1_info_buf[256];
  133         char            *cis1_info[4];
  134         /*
  135          * Use int32_t for manufacturer and product so that they can
  136          * hold the id value found in card CIS and special value that
  137          * indicates no id was found.
  138          */
  139         int32_t         manufacturer;
  140 #define PCMCIA_VENDOR_INVALID   -1
  141         int32_t         product;
  142 #define PCMCIA_PRODUCT_INVALID          -1
  143         int16_t         prodext;
  144         uint16_t        error;
  145 #define PCMCIA_CIS_INVALID              { NULL, NULL, NULL, NULL }
  146         STAILQ_HEAD(, pccard_function) pf_head;
  147 };
  148 
  149 /* More later? */
  150 struct pccard_ivar {
  151         struct resource_list resources;
  152         struct pccard_function *pf;
  153 };
  154 
  155 struct cis_buffer
  156 {
  157         size_t  len;                    /* Actual length of the CIS */
  158         uint8_t buffer[2040];           /* small enough to be 2k */
  159 };
  160 
  161 struct pccard_softc {
  162         device_t                dev;
  163         /* this stuff is for the socket */
  164 
  165         /* this stuff is for the card */
  166         struct pccard_card card;
  167         int             sc_enabled_count;       /* num functions enabled */
  168         struct cdev *cisdev;
  169         int     cis_open;
  170         struct cis_buffer *cis;
  171 };
  172 
  173 struct pccard_cis_quirk {
  174         int32_t manufacturer;
  175         int32_t product;
  176         char *cis1_info[4];
  177         struct pccard_function *pf;
  178         struct pccard_config_entry *cfe;
  179 };
  180 
  181 void    pccard_read_cis(struct pccard_softc *);
  182 void    pccard_check_cis_quirks(device_t);
  183 void    pccard_print_cis(device_t);
  184 int     pccard_scan_cis(device_t, device_t, pccard_scan_t, void *);
  185 
  186 int     pccard_device_create(struct pccard_softc *);
  187 int     pccard_device_destroy(struct pccard_softc *);
  188 
  189 #define PCCARD_SOFTC(d) (struct pccard_softc *) device_get_softc(d)
  190 #define PCCARD_IVAR(d) (struct pccard_ivar *) device_get_ivars(d)
  191 
  192 #endif /* _PCCARD_PCCARDVARP_H */

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