sys/bus/pccard/cardinfo.h

   1 /*
   2  *      Include file for PCMCIA user process interface
   3  *
   4  *-------------------------------------------------------------------------
   5  *
   6  * Copyright (c) 1995 Andrew McRae.  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, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /* $FreeBSD: src/sys/pccard/cardinfo.h,v 1.16.2.6 2002/09/22 20:26:58 imp Exp $ */
  32 /* $DragonFly: src/sys/bus/pccard/Attic/cardinfo.h,v 1.2 2003/06/17 04:28:55 dillon Exp $ */
  33
  34 #ifndef _PCCARD_CARDINFO_H_
  35 #define _PCCARD_CARDINFO_H_
  36
  37 #ifndef _KERNEL
  38 #include <sys/types.h>
  39 #endif
  40 #include <sys/ioccom.h>
  41
  42 #define PIOCGSTATE      _IOR('P', 1, struct slotstate)  /* Get slot state */
  43 #define PIOCGMEM        _IOWR('P', 2, struct mem_desc)  /* Get memory map */
  44 #define PIOCSMEM        _IOW('P', 3, struct mem_desc)   /* Set memory map */
  45 #define PIOCGIO         _IOWR('P', 4, struct io_desc)   /* Get I/O map */
  46 #define PIOCSIO         _IOW('P', 5, struct io_desc)    /* Set I/O map */
  47 #define PIOCSDRV        _IOWR('P', 6, struct dev_desc)  /* Set driver */
  48 #define PIOCRWFLAG      _IOW('P', 7, int)       /* Set flags for drv use */
  49 #define PIOCRWMEM       _IOWR('P', 8, unsigned long) /* Set mem for drv use */
  50 #define PIOCSPOW        _IOW('P', 9, struct power) /* Set power structure */
  51 #define PIOCSVIR        _IOW('P', 10, int)      /* Virtual insert/remove */
  52 #define PIOCSBEEP       _IOW('P', 11, int)              /* Select Beep */
  53 #define PIOCSRESOURCE   _IOWR('P', 12, struct pccard_resource)  /* get resource info */
  54 /*
  55  *      Debug codes.
  56  */
  57 #define PIOCGREG        _IOWR('P',100, struct pcic_reg) /* get reg */
  58 #define PIOCSREG        _IOW('P', 101, struct pcic_reg) /* Set reg */
  59
  60 /*
  61  *      Slot states for PIOCGSTATE
  62  *
  63  *      Here's a state diagram of all the possible states:
  64  *
  65  *                             power x 1
  66  *                       -------------------
  67  *                      /                   \
  68  *                     /                     v
  69  *    resume    +----------+   power x 0   +----------+
  70  *      ------->| inactive |<--------------| filled   |
  71  *     /        +----------+               +----------+
  72  *    /           /     \                   ^   |
  73  *  nil <---------       \        insert or |   | suspend or
  74  *        suspend         \       power x 1 |   | eject
  75  *                         \                |   v
  76  *                          \            +----------+
  77  *                           ----------->|  empty   |
  78  *                             eject     +----------+
  79  *
  80  *      Note, the above diagram is for the state.  On suspend, the laststate
  81  * gets set to suspend to tell pccardd what happened.  Also the nil state
  82  * means that when the no state change has happened.  Note: if you eject
  83  * while suspended in the inactive state, you will return to the
  84  * empty state if you do not insert a new card and to the inactive state
  85  * if you do insert a new card.
  86  *
  87  * Some might argue that inactive should be sticky forever and
  88  * eject/insert shouldn't take it out of that state.  They might be
  89  * right.  On the other hand, some would argue that eject resets all
  90  * state.  They might be right.  They both can't be right.  The above
  91  * represents a reasonable compromise between the two.
  92  *
  93  * Some bridges allow one to query to see if the card was changed while
  94  * we were suspended.  Others do not.  We make no use of this functionality
  95  * at this time.
  96  */
  97 enum cardstate { noslot, empty, suspend, filled, inactive };
  98
  99 /*
 100  *      Descriptor structure for memory map.
 101  */
 102 struct mem_desc {
 103         int     window;         /* Memory map window number (0-4) */
 104         int     flags;          /* Flags - see below */
 105         caddr_t start;          /* System memory start */
 106         int     size;           /* Size of memory area */
 107         unsigned long card;     /* Card memory address */
 108 };
 109
 110 #define MDF_16BITS      0x01    /* Memory is 16 bits wide */
 111 #define MDF_ZEROWS      0x02    /* Set no wait states for memory */
 112 #define MDF_WS0         0x04    /* Wait state flags */
 113 #define MDF_WS1         0x08
 114 #define MDF_ATTR        0x10    /* Memory is attribute memory */
 115 #define MDF_WP          0x20    /* Write protect memory */
 116 #define MDF_ACTIVE      0x40    /* Context active (read-only) */
 117
 118 /*
 119  *      Descriptor structure for I/O map
 120  */
 121 struct io_desc {
 122         int     window;         /* I/O map number (0-1) */
 123         int     flags;          /* Flags - see below */
 124         int     start;          /* I/O port start */
 125         int     size;           /* Number of port addresses */
 126 };
 127
 128 #define IODF_WS         0x01    /* Set wait states for 16 bit I/O access */
 129 #define IODF_16BIT      0x02    /* I/O access are 16 bit */
 130 #define IODF_CS16       0x04    /* Allow card selection of 16 bit access */
 131 #define IODF_ZEROWS     0x08    /* No wait states for 8 bit I/O */
 132 #define IODF_ACTIVE     0x10    /* Context active (read-only) */
 133
 134 /*
 135  *      Device descriptor for allocation of driver.
 136  */
 137 #define DEV_MISC_LEN    36
 138 #define DEV_MAX_CIS_LEN 40
 139 struct dev_desc {
 140         char            name[16];       /* Driver name */
 141         int             unit;           /* Driver unit number */
 142         unsigned long   mem;            /* Memory address of driver */
 143         int             memsize;        /* Memory size (if used) */
 144         int             iobase;         /* base of I/O ports */
 145         int             iosize;         /* Length of I/O ports */
 146         int             irqmask;        /* Interrupt number(s) to allocate */
 147         int             flags;          /* Device flags */
 148         uint8_t         misc[DEV_MISC_LEN]; /* For any random info */
 149         uint8_t         manufstr[DEV_MAX_CIS_LEN];
 150         uint8_t         versstr[DEV_MAX_CIS_LEN];
 151         uint32_t        manufacturer;   /* Manufacturer ID */
 152         uint32_t        product;        /* Product ID */
 153         uint32_t        prodext;        /* Product ID (extended) */
 154 };
 155 #define DEV_DESC_HAS_SIZE 1
 156
 157 struct pcic_reg {
 158         unsigned char reg;
 159         unsigned char value;
 160 };
 161
 162 /*
 163  *      Slot information. Used to read current status of slot.
 164  */
 165 struct slotstate {
 166         enum cardstate  state;          /* Current state of slot */
 167         enum cardstate  laststate;      /* Previous state of slot */
 168         int             maxmem;         /* Max allowed memory windows */
 169         int             maxio;          /* Max allowed I/O windows */
 170         int             irqs;           /* Bitmap of IRQs allowed */
 171         int             flags;          /* Capability flags */
 172 };
 173
 174 /*
 175  *      The power values are in volts * 10, e.g. 5V is 50, 3.3V is 33.
 176  */
 177 struct power {
 178         int             vcc;
 179         int             vpp;
 180 };
 181
 182 /*
 183  *      The PC-Card resource IOC_GET_RESOURCE_RANGE
 184  */
 185 struct pccard_resource {
 186         int             type;
 187         u_long          size;
 188         u_long          min;
 189         u_long          max;
 190         u_long          resource_addr;
 191 };
 192
 193
 194 /*
 195  *      Other system limits
 196  */
 197 #define MAXSLOT 16
 198 #define NUM_MEM_WINDOWS 10
 199 #define NUM_IO_WINDOWS  6
 200 #define CARD_DEVICE     "/dev/card%d"           /* String for snprintf */
 201 #define PCCARD_MEMSIZE  (4*1024)
 202
 203 #endif /* !_PCCARD_CARDINFO_H_ */