sys/bus/pccard/cis.h

   1 /*
   2  *      PCMCIA card structures and defines.
   3  *      These defines relate to the user level
   4  *      structures and card information, not
   5  *      driver/process communication.
   6  *-------------------------------------------------------------------------
   7  *
   8  * Copyright (c) 1995 Andrew McRae.  All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/sys/pccard/cis.h,v 1.3.10.1 2000/05/23 03:56:58 imp Exp $
  33  * $DragonFly: src/sys/bus/pccard/Attic/cis.h,v 1.2 2003/06/17 04:28:55 dillon Exp $
  34  *
  35  */
  36
  37 /*
  38  *      Card Information Structure tuples definitions
  39  *      The structure of a tuple is basically:
  40  *
  41  *              Tuple_code
  42  *              Tuple_data_length
  43  *              Tuple_data ...
  44  *
  45  *      Tuples are contiguous in attribute memory, and
  46  *      are terminated with a 0xFF for the tuple code or
  47  *      the tuple length.
  48  */
  49 #ifndef _PCCARD_CIS_H
  50 #define _PCCARD_CIS_H
  51
  52 #define CIS_NULL        0       /* Empty tuple */
  53 #define CIS_MEM_COMMON  0x01    /* Device descriptor, common memory */
  54 #define CIS_LONGLINK_CB 0x02    /* Long link to next chain for CardBus */
  55 #define CIS_INDIRECT    0x03    /* Indirect access */
  56 #define CIS_CONF_MAP_CB 0x04    /* Card Configuration map for CardBus */
  57 #define CIS_CONFIG_CB   0x05    /* Card Configuration entry for CardBus */
  58 #define CIS_LONGLINK_MFC        0x06    /* Long link to next chain for Multi function card */
  59 #define CIS_BAR         0x07    /* Base address register for CardBus */
  60 #define CIS_CHECKSUM    0x10    /* Checksum */
  61 #define CIS_LONGLINK_A  0x11    /* Link to Attribute memory */
  62 #define CIS_LONGLINK_C  0x12    /* Link to Common memory */
  63 #define CIS_LINKTARGET  0x13    /* Linked tuple must start with this. */
  64 #define CIS_NOLINK      0x14    /* Assume no common memory link tuple. */
  65 #define CIS_INFO_V1     0x15    /* Card info data, version 1 */
  66 #define CIS_ALTSTR      0x16    /* Alternate language string tuple. */
  67 #define CIS_MEM_ATTR    0x17    /* Device descriptor, Attribute memory */
  68 #define CIS_JEDEC_C     0x18    /* JEDEC descr for common memory */
  69 #define CIS_JEDEC_A     0x19    /* JEDEC descr for Attribute memory */
  70 #define CIS_CONF_MAP    0x1A    /* Card Configuration map */
  71 #define CIS_CONFIG      0x1B    /* Card Configuration entry */
  72 #define CIS_DEVICE_OC   0x1C    /* Other conditions info - common memory */
  73 #define CIS_DEVICE_OA   0x1D    /* Other conditions info - attribute memory */
  74 #define CIS_DEVICEGEO   0x1E    /* Geometry info for common memory */
  75 #define CIS_DEVICEGEO_A 0x1F    /* Geometry info for attribute memory */
  76 #define CIS_MANUF_ID    0x20    /* Card manufacturer's ID */
  77 #define CIS_FUNC_ID     0x21    /* Function of card */
  78 #define CIS_FUNC_EXT    0x22    /* Functional extension */
  79 /*
  80  *      Data recording format tuples.
  81  */
  82 #define CIS_SW_INTERLV  0x23    /* Software interleave */
  83 #define CIS_VERS_2      0x40    /* Card info data, version 2 */
  84 #define CIS_FORMAT      0x41    /* Memory card format */
  85 #define CIS_GEOMETRY    0x42    /* Disk sector layout */
  86 #define CIS_BYTEORDER   0x43    /* Byte order of memory data */
  87 #define CIS_DATE        0x44    /* Format data/time */
  88 #define CIS_BATTERY     0x45    /* Battery replacement date */
  89 #define CIS_ORG         0x46    /* Organization of data on card */
  90 #define CIS_END         0xFF    /* Termination code */
  91
  92 /*
  93  *      Internal tuple definitions.
  94  *
  95  *      Device descriptor for memory (CIS_MEM_ATTR, CIS_MEM_COMMON)
  96  *
  97  *      Byte 1:
  98  *              0xF0 - Device type
  99  *              0x08 - Write protect switch
 100  *              0x07 - Speed index (7 = extended speed)
 101  *      Byte 2: Extended speed (bit 7 = another follows)
 102  *      Byte 3: (ignored if 0xFF)
 103  *              0xF8 - Addressable units (0's numbered)
 104  *              0x07 - Unit size
 105  *      The three byte sequence is repeated until byte 1 == 0xFF
 106  */
 107
 108 /*
 109  *      CIS_INFO_V1 - Version one card information.
 110  *
 111  *      Byte 1:   Major version number (should be 4)
 112  *      Byte 2:   Minor version number (should be 1)
 113  *      Byte 3-x: Null terminated Manufacturer name
 114  *      Byte x-x: Null terminated product name
 115  *      Byte x-x: Null terminated additional info 1
 116  *      Byte x-x: Null terminated additional info 2
 117  *      Byte x:   final byte must be 0xFF
 118  */
 119 #define CIS_MAJOR_VERSION       4
 120 #define CIS_MINOR_VERSION       1
 121
 122 /*
 123  *      CIS_CONF_MAP - Provides an address map for the card
 124  *                      configuration register(s), and a max value
 125  *                      identifying the last configuration tuple.
 126  *
 127  *      Byte 1:
 128  *              0x3C - Register mask size (0's numbered)
 129  *              0x03 - Register address size (0's numbered)
 130  *      Byte 2:
 131  *              0x3F - ID of last configuration.
 132  *      Byte 3-n: Card register address (size is determined by
 133  *                      the value in byte 1).
 134  *      Byte x-x: Card register masks (size determined by the
 135  *                      value in byte 1)
 136  */
 137
 138 /*
 139  *      CIS_CONFIG - Card configuration entry. Multiple tuples may
 140  *              exist of this type, each one describing a different
 141  *              memory/I-O map that can be used to address this card.
 142  *              The first one usually has extra config data about the
 143  *              card features. The final configuration tuple number
 144  *              is stored in the CIS_CONF_MAP tuple so that the complete
 145  *              list can be scanned.
 146  *
 147  *      Byte 1:
 148  *              0x3F - Configuration ID number.
 149  *              0x40 - Indicates this is the default configuration
 150  *              0x80 - Interface byte exists
 151  *      Byte 2: (exists only if bit 0x80 set in byte 1)
 152  *              0x0F - Interface type value
 153  *              0x10 - Battery voltage detect
 154  *              0x20 - Write protect active
 155  *              0x40 - RdyBsy active bit
 156  *              0x80 - Wait signal required
 157  *      Byte 3: (features byte)
 158  *              0x03 - Power sub-tuple(s) exists
 159  *              0x04 - Timing sub-tuple exists
 160  *              0x08 - I/O space sub-tuple exists
 161  *              0x10 - IRQ sub-tuple exists
 162  *              0x60 - Memory space sub-tuple(s) exists
 163  *              0x80 - Miscellaneous sub-tuple exists
 164  */
 165 #define CIS_FEAT_POWER(x)       ((x) & 0x3)
 166 #define CIS_FEAT_TIMING         0x4
 167 #define CIS_FEAT_I_O            0x8
 168 #define CIS_FEAT_IRQ            0x10
 169 #define CIS_FEAT_MEMORY(x)      (((x) >> 5) & 0x3)
 170 #define CIS_FEAT_MISC           0x80
 171 /*
 172  *      Depending on whether the "features" byte has the corresponding
 173  *      bit set, a number of sub-tuples follow. Some features have
 174  *      more than one sub-tuple, depending on the count within the
 175  *      features byte (e.g power feature bits allows up to 3 sub-tuples).
 176  *
 177  *      Power structure sub-tuple:
 178  *      Byte 1: parameter exists - Each bit (starting from 0x01) indicates
 179  *              that a parameter block exists - up to 8 parameter blocks
 180  *              are therefore allowed).
 181  *      Byte 2:
 182  *              0x7F - Parameter data
 183  *              0x80 - More bytes follow (0 = last byte)
 184  *
 185  *      Timing sub-tuple
 186  *      Byte 1:
 187  *              0x03 - Wait scale
 188  *              0x1C - Ready scale
 189  *              0xE0 - Reserved scale
 190  *      Byte 2: extended wait scale if wait scale != 3
 191  *      Byte 3: extended ready scale if ready scale != 7
 192  *      Byte 4: extended reserved scale if reserved scale != 7
 193  */
 194 #define CIS_WAIT_SCALE(x)       ((x) & 0x3)
 195 #define CIS_READY_SCALE(x)      (((x)>>2) & 0x7)
 196 #define CIS_RESERVED_SCALE(x)   (((x)>>5) & 0x7)
 197 /*
 198  *      I/O mapping sub-tuple:
 199  *      Byte 1:
 200  *              0x1F - I/O address lines
 201  *              0x20 - 8 bit I/O
 202  *              0x40 - 16 bit I/O
 203  *              0x80 - I/O range??
 204  *      Byte 2:
 205  *              0x0F - 0's numbered count of I/O block subtuples following.
 206  *              0x30 - Size of I/O address value within subtuple. Values
 207  *                      can be 1 (8 bits), 2 (16 bits) or 3 (32 bits).
 208  *              0xC0 - Size of I/O port block size value within subtuple.
 209  *      I/O block sub-tuples, count from previous block:
 210  *              Byte 1-n: I/O start address
 211  *              Byte x-x: Size of I/O port block.
 212  */
 213 #define CIS_IO_ADDR(x)  ((x) & 0x1F)
 214 #define CIS_IO_8BIT     0x20
 215 #define CIS_IO_16BIT    0x40
 216 #define CIS_IO_RANGE    0x80
 217 #define CIS_IO_BLKS(x)  ((x) & 0xF)
 218 #define CIS_IO_ADSZ(x)  (((x)>>4) & 3)
 219 #define CIS_IO_BLKSZ(x) (((x)>>6) & 3)
 220 /*
 221  *      IRQ sub-tuple.
 222  *      Byte 1:
 223  *              0x0F - Irq number or mask bits
 224  *              0x10 - IRQ mask values exist
 225  *              0x20 - Level triggered interrupts
 226  *              0x40 - Pulse triggered requests
 227  *              0x80 - Interrupt sharing.
 228  *      Byte 2-3: Interrupt req mask (if 0x10 of byte 1 set).
 229  */
 230 #define CIS_IRQ_IRQN(x)         ((x) & 0xF)
 231 #define CIS_IRQ_MASK            0x10
 232 #define CIS_IRQ_LEVEL           0x20
 233 #define CIS_IRQ_PULSE           0x40
 234 #define CIS_IRQ_SHARING         0x80
 235 /*
 236  *      Memory block subtuple. Depending on the features bits, the
 237  *      following subtuples are used:
 238  *      mem features == 1
 239  *              Byte 1-2: upper 16 bits of 24 bit memory length.
 240  *      mem features == 2
 241  *              Byte 1-2: upper 16 bits of 24 bit memory length.
 242  *              Byte 3-4: upper 16 bits of 24 bit memory address.
 243  *      mem_features == 3
 244  *              Byte 1:
 245  *                      0x07 - 0's numbered count of memory sub-tuples
 246  *                      0x18 - Memory length size (1's numbered)
 247  *                      0x60 - Memory address size (1's numbered)
 248  *                      0x80 - Host address value exists
 249  *              Memory sub-tuples follow:
 250  *                      Byte 1-n: Memory length value (<< 8)
 251  *                      Byte n-n: Memory card address value (<< 8)
 252  *                      Byte n-n: Memory host address value (<< 8)
 253  */
 254 #define CIS_FEAT_MEM_NONE       0       /* No memory config */
 255 #define CIS_FEAT_MEM_LEN        1       /* Just length */
 256 #define CIS_FEAT_MEM_ADDR       2       /* Card address & length */
 257 #define CIS_FEAT_MEM_WIN        3       /* Multiple windows */
 258
 259 #define CIS_MEM_WINS(x)         (((x) & 0x7)+1)
 260 #define CIS_MEM_LENSZ(x)        (((x) >> 3) & 0x3)
 261 #define CIS_MEM_ADDRSZ(x)       (((x) >> 5) & 0x3)
 262 #define CIS_MEM_HOST            0x80
 263 /*
 264  *      Misc sub-tuple.
 265  *      Byte 1:
 266  *      Byte 2:
 267  *              0x0c - DMA Request Signal
 268  *                      00 - not support DMA
 269  *                      01 - use SPKR# line
 270  *                      10 - use IOIS16# line
 271  *                      11 - use INPACK# line
 272  *              0x10 - DMA Width
 273  *                      0 - 8 bit DMA
 274  *                      1 - 16 bit DMA
 275  */
 276 #define CIS_MISC_DMA_WIDTH(x)   (((x) & 0x10) >> 4)
 277 #define CIS_MISC_DMA_REQ(x)     (((x) >> 2) & 0x3)
 278
 279 #endif  /* _PCCARD_CIS_H */