The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/exca/excareg.h

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    1 /*      $NetBSD: i82365reg.h,v 1.3 1998/12/20 17:53:28 nathanw Exp $    */
    2 /* $FreeBSD: releng/5.0/sys/dev/exca/excareg.h 100703 2002-07-26 08:01:08Z imp $ */
    3 
    4 /*
    5  * Copyright (c) 2002 M Warner Losh.  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  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * This software may be derived from NetBSD i82365.c and other files with
   28  * the following copyright:
   29  *
   30  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
   31  *
   32  * Redistribution and use in source and binary forms, with or without
   33  * modification, are permitted provided that the following conditions
   34  * are met:
   35  * 1. Redistributions of source code must retain the above copyright
   36  *    notice, this list of conditions and the following disclaimer.
   37  * 2. Redistributions in binary form must reproduce the above copyright
   38  *    notice, this list of conditions and the following disclaimer in the
   39  *    documentation and/or other materials provided with the distribution.
   40  * 3. All advertising materials mentioning features or use of this software
   41  *    must display the following acknowledgement:
   42  *      This product includes software developed by Marc Horowitz.
   43  * 4. The name of the author may not be used to endorse or promote products
   44  *    derived from this software without specific prior written permission.
   45  *
   46  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   47  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   48  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   49  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   50  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   51  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   52  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   53  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   54  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   55  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   56  */
   57 
   58 #ifndef _SYS_DEV_EXCA_EXCAREG_H
   59 #define _SYS_DEV_EXCA_EXCAREG_H
   60 
   61 /*
   62  * All information is from the intel 82365sl PC Card Interface Controller
   63  * (PCIC) data sheet, marked "preliminary".  Order number 290423-002, January
   64  * 1993.
   65  */
   66 
   67 #define EXCA_IOSIZE             2
   68 
   69 #define EXCA_REG_INDEX          0
   70 #define EXCA_REG_DATA           1
   71 
   72 #define EXCA_NSLOTS             4       /* 2 in 2 chips */
   73 
   74 /*
   75  * I/o ports
   76  */
   77 #define EXCA_INDEX0             0x3e0
   78 
   79 /*
   80  * The PCIC allows two chips to share the same address.  In order not to run
   81  * afoul of the bsd device model, this driver will treat those chips as
   82  * the same device.
   83  */
   84 
   85 #define EXCA_CHIP0_BASE         0x00
   86 #define EXCA_CHIP1_BASE         0x80
   87 
   88 /* Each PCIC chip can drive two sockets */
   89 
   90 #define EXCA_SOCKET_SIZE        0x40
   91 #define EXCA_SOCKETA_INDEX      0x00
   92 #define EXCA_SOCKETB_INDEX      EXCA_SOCKET_SIZE
   93 
   94 /* general setup registers */
   95 
   96 #define EXCA_IDENT                              0x00    /* RO */
   97 #define EXCA_IDENT_IFTYPE_MASK                  0xC0
   98 #define EXCA_IDENT_IFTYPE_IO_ONLY               0x00
   99 #define EXCA_IDENT_IFTYPE_MEM_ONLY              0x40
  100 #define EXCA_IDENT_IFTYPE_MEM_AND_IO            0x80
  101 #define EXCA_IDENT_IFTYPE_RESERVED              0xC0
  102 #define EXCA_IDENT_ZERO                         0x30
  103 #define EXCA_IDENT_REV_MASK                     0x0F
  104 #define EXCA_IDENT_REV_I82365SLR0               0x02
  105 #define EXCA_IDENT_REV_I82365SLR1               0x03
  106 
  107 #define EXCA_IF_STATUS                          0x01    /* RO */
  108 #define EXCA_IF_STATUS_GPI                      0x80 /* General Purpose Input */
  109 #define EXCA_IF_STATUS_POWERACTIVE              0x40
  110 #define EXCA_IF_STATUS_READY                    0x20 /* really READY/!BUSY */
  111 #define EXCA_IF_STATUS_MEM_WP                   0x10
  112 #define EXCA_IF_STATUS_CARDDETECT_MASK          0x0C
  113 #define EXCA_IF_STATUS_CARDDETECT_PRESENT       0x0C
  114 #define EXCA_IF_STATUS_BATTERY_MASK             0x03
  115 #define EXCA_IF_STATUS_BATTERY_DEAD1            0x00
  116 #define EXCA_IF_STATUS_BATTERY_DEAD2            0x01
  117 #define EXCA_IF_STATUS_BATTERY_WARNING          0x02
  118 #define EXCA_IF_STATUS_BATTERY_GOOD             0x03
  119 
  120 #define EXCA_PWRCTL                             0x02    /* RW */
  121 #define EXCA_PWRCTL_OE                          0x80    /* output enable */
  122 #define EXCA_PWRCTL_DISABLE_RESETDRV            0x40
  123 #define EXCA_PWRCTL_AUTOSWITCH_ENABLE           0x20
  124 #define EXCA_PWRCTL_PWR_ENABLE                  0x10
  125 #define EXCA_PWRCTL_VPP2_MASK                   0x0C
  126 /* XXX these are a little unclear from the data sheet */
  127 #define EXCA_PWRCTL_VPP2_RESERVED               0x0C
  128 #define EXCA_PWRCTL_VPP2_EN1                    0x08
  129 #define EXCA_PWRCTL_VPP2_EN0                    0x04
  130 #define EXCA_PWRCTL_VPP2_ENX                    0x00
  131 #define EXCA_PWRCTL_VPP1_MASK                   0x03
  132 /* XXX these are a little unclear from the data sheet */
  133 #define EXCA_PWRCTL_VPP1_RESERVED               0x03
  134 #define EXCA_PWRCTL_VPP1_EN1                    0x02
  135 #define EXCA_PWRCTL_VPP1_EN0                    0x01
  136 #define EXCA_PWRCTL_VPP1_ENX                    0x00
  137 
  138 #define EXCA_CSC                                0x04    /* RW */
  139 #define EXCA_CSC_ZERO                           0xE0
  140 #define EXCA_CSC_GPI                            0x10
  141 #define EXCA_CSC_CD                             0x08 /* Card Detect Change */
  142 #define EXCA_CSC_READY                          0x04
  143 #define EXCA_CSC_BATTWARN                       0x02
  144 #define EXCA_CSC_BATTDEAD                       0x01    /* for memory cards */
  145 #define EXCA_CSC_RI                             0x01    /* for i/o cards */
  146 
  147 #define EXCA_ADDRWIN_ENABLE                     0x06    /* RW */
  148 #define EXCA_ADDRWIN_ENABLE_IO1                 0x80
  149 #define EXCA_ADDRWIN_ENABLE_IO0                 0x40
  150 #define EXCA_ADDRWIN_ENABLE_MEMCS16             0x20    /* rtfds if you care */
  151 #define EXCA_ADDRWIN_ENABLE_MEM4                0x10
  152 #define EXCA_ADDRWIN_ENABLE_MEM3                0x08
  153 #define EXCA_ADDRWIN_ENABLE_MEM2                0x04
  154 #define EXCA_ADDRWIN_ENABLE_MEM1                0x02
  155 #define EXCA_ADDRWIN_ENABLE_MEM0                0x01
  156 
  157 #define EXCA_CARD_DETECT                        0x16    /* RW */
  158 #define EXCA_CARD_DETECT_RESERVED               0xC0
  159 #define EXCA_CARD_DETECT_SW_INTR                0x20
  160 #define EXCA_CARD_DETECT_RESUME_ENABLE          0x10
  161 #define EXCA_CARD_DETECT_GPI_TRANSCTL           0x08
  162 #define EXCA_CARD_DETECT_GPI_ENABLE             0x04
  163 #define EXCA_CARD_DETECT_CFGRST_ENABLE          0x02
  164 #define EXCA_CARD_DETECT_MEMDLY_INHIBIT         0x01
  165 
  166 /* interrupt registers */
  167 
  168 #define EXCA_INTR                               0x03    /* RW */
  169 #define EXCA_INTR_RI_ENABLE                     0x80
  170 #define EXCA_INTR_RESET                         0x40    /* active low (zero) */
  171 #define EXCA_INTR_CARDTYPE_MASK                 0x20
  172 #define EXCA_INTR_CARDTYPE_IO                   0x20
  173 #define EXCA_INTR_CARDTYPE_MEM                  0x00
  174 #define EXCA_INTR_ENABLE                        0x10
  175 #define EXCA_INTR_IRQ_MASK                      0x0F
  176 #define EXCA_INTR_IRQ_SHIFT                     0
  177 #define EXCA_INTR_IRQ_NONE                      0x00
  178 #define EXCA_INTR_IRQ_RESERVED1                 0x01
  179 #define EXCA_INTR_IRQ_RESERVED2                 0x02
  180 #define EXCA_INTR_IRQ3                          0x03
  181 #define EXCA_INTR_IRQ4                          0x04
  182 #define EXCA_INTR_IRQ5                          0x05
  183 #define EXCA_INTR_IRQ_RESERVED6                 0x06
  184 #define EXCA_INTR_IRQ7                          0x07
  185 #define EXCA_INTR_IRQ_RESERVED8                 0x08
  186 #define EXCA_INTR_IRQ9                          0x09
  187 #define EXCA_INTR_IRQ10                         0x0A
  188 #define EXCA_INTR_IRQ11                         0x0B
  189 #define EXCA_INTR_IRQ12                         0x0C
  190 #define EXCA_INTR_IRQ_RESERVED13                0x0D
  191 #define EXCA_INTR_IRQ14                         0x0E
  192 #define EXCA_INTR_IRQ15                         0x0F
  193 
  194 #define EXCA_INTR_IRQ_VALIDMASK                 0xDEB8 /* 1101 1110 1011 1000 */
  195 
  196 #define EXCA_CSC_INTR                           0x05    /* RW */
  197 #define EXCA_CSC_INTR_IRQ_MASK                  0xF0
  198 #define EXCA_CSC_INTR_IRQ_SHIFT                 4
  199 #define EXCA_CSC_INTR_IRQ_NONE                  0x00
  200 #define EXCA_CSC_INTR_IRQ_RESERVED1             0x10
  201 #define EXCA_CSC_INTR_IRQ_RESERVED2             0x20
  202 #define EXCA_CSC_INTR_IRQ3                      0x30
  203 #define EXCA_CSC_INTR_IRQ4                      0x40
  204 #define EXCA_CSC_INTR_IRQ5                      0x50
  205 #define EXCA_CSC_INTR_IRQ_RESERVED6             0x60
  206 #define EXCA_CSC_INTR_IRQ7                      0x70
  207 #define EXCA_CSC_INTR_IRQ_RESERVED8             0x80
  208 #define EXCA_CSC_INTR_IRQ9                      0x90
  209 #define EXCA_CSC_INTR_IRQ10                     0xA0
  210 #define EXCA_CSC_INTR_IRQ11                     0xB0
  211 #define EXCA_CSC_INTR_IRQ12                     0xC0
  212 #define EXCA_CSC_INTR_IRQ_RESERVED13            0xD0
  213 #define EXCA_CSC_INTR_IRQ14                     0xE0
  214 #define EXCA_CSC_INTR_IRQ15                     0xF0
  215 #define EXCA_CSC_INTR_CD_ENABLE                 0x08
  216 #define EXCA_CSC_INTR_READY_ENABLE              0x04
  217 #define EXCA_CSC_INTR_BATTWARN_ENABLE           0x02
  218 #define EXCA_CSC_INTR_BATTDEAD_ENABLE           0x01    /* for memory cards */
  219 #define EXCA_CSC_INTR_RI_ENABLE                 0x01    /* for I/O cards */
  220 
  221 #define EXCA_CSC_INTR_IRQ_VALIDMASK             0xDEB8 /* 1101 1110 1011 1000 */
  222 
  223 /* I/O registers */
  224 
  225 #define EXCA_IO_WINS                            2
  226 
  227 #define EXCA_IOCTL                              0x07    /* RW */
  228 #define EXCA_IOCTL_IO1_WAITSTATE                0x80
  229 #define EXCA_IOCTL_IO1_ZEROWAIT                 0x40
  230 #define EXCA_IOCTL_IO1_IOCS16SRC_MASK           0x20
  231 #define EXCA_IOCTL_IO1_IOCS16SRC_CARD           0x20
  232 #define EXCA_IOCTL_IO1_IOCS16SRC_DATASIZE       0x00
  233 #define EXCA_IOCTL_IO1_DATASIZE_MASK            0x10
  234 #define EXCA_IOCTL_IO1_DATASIZE_16BIT           0x10
  235 #define EXCA_IOCTL_IO1_DATASIZE_8BIT            0x00
  236 #define EXCA_IOCTL_IO0_WAITSTATE                0x08
  237 #define EXCA_IOCTL_IO0_ZEROWAIT                 0x04
  238 #define EXCA_IOCTL_IO0_IOCS16SRC_MASK           0x02
  239 #define EXCA_IOCTL_IO0_IOCS16SRC_CARD           0x02
  240 #define EXCA_IOCTL_IO0_IOCS16SRC_DATASIZE       0x00
  241 #define EXCA_IOCTL_IO0_DATASIZE_MASK            0x01
  242 #define EXCA_IOCTL_IO0_DATASIZE_16BIT           0x01
  243 #define EXCA_IOCTL_IO0_DATASIZE_8BIT            0x00
  244 
  245 #define EXCA_IOADDR0_START_LSB                  0x08
  246 #define EXCA_IOADDR0_START_MSB                  0x09
  247 #define EXCA_IOADDR0_STOP_LSB                   0x0A
  248 #define EXCA_IOADDR0_STOP_MSB                   0x0B
  249 #define EXCA_IOADDR1_START_LSB                  0x0C
  250 #define EXCA_IOADDR1_START_MSB                  0x0D
  251 #define EXCA_IOADDR1_STOP_LSB                   0x0E
  252 #define EXCA_IOADDR1_STOP_MSB                   0x0F
  253 
  254 /* memory registers */
  255 
  256 /*
  257  * memory window addresses refer to bits A23-A12 of the ISA system memory
  258  * address.  This is a shift of 12 bits.  The LSB contains A19-A12, and the
  259  * MSB contains A23-A20, plus some other bits.
  260  */
  261 
  262 #define EXCA_MEM_WINS                           5
  263 
  264 #define EXCA_MEM_SHIFT                          12
  265 #define EXCA_MEM_PAGESIZE                       (1<<EXCA_MEM_SHIFT)
  266 
  267 #define EXCA_SYSMEM_ADDRX_SHIFT                         EXCA_MEM_SHIFT
  268 #define EXCA_SYSMEM_ADDRX_START_MSB_DATASIZE_MASK       0x80
  269 #define EXCA_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT      0x80
  270 #define EXCA_SYSMEM_ADDRX_START_MSB_DATASIZE_8BIT       0x00
  271 #define EXCA_SYSMEM_ADDRX_START_MSB_ZEROWAIT            0x40
  272 #define EXCA_SYSMEM_ADDRX_START_MSB_SCRATCH_MASK        0x30
  273 #define EXCA_SYSMEM_ADDRX_START_MSB_ADDR_MASK           0x0F
  274 
  275 #define EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT_MASK            0xC0
  276 #define EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT0                0x00
  277 #define EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT1                0x40
  278 #define EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT2                0x80
  279 #define EXCA_SYSMEM_ADDRX_STOP_MSB_WAIT3                0xC0
  280 #define EXCA_SYSMEM_ADDRX_STOP_MSB_ADDR_MASK            0x0F
  281 
  282 /*
  283  * The card side of a memory mapping consists of bits A19-A12 of the card
  284  * memory address in the LSB, and A25-A20 plus some other bits in the MSB.
  285  * Again, the shift is 12 bits.
  286  */
  287 
  288 #define EXCA_CARDMEM_ADDRX_SHIFT                EXCA_MEM_SHIFT
  289 #define EXCA_CARDMEM_ADDRX_MSB_WP               0x80
  290 #define EXCA_CARDMEM_ADDRX_MSB_REGACTIVE_MASK   0x40
  291 #define EXCA_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR   0x40
  292 #define EXCA_CARDMEM_ADDRX_MSB_REGACTIVE_COMMON 0x00
  293 #define EXCA_CARDMEM_ADDRX_MSB_ADDR_MASK        0x3F
  294 
  295 #define EXCA_SYSMEM_ADDR0_START_LSB             0x10
  296 #define EXCA_SYSMEM_ADDR0_START_MSB             0x11
  297 #define EXCA_SYSMEM_ADDR0_STOP_LSB              0x12
  298 #define EXCA_SYSMEM_ADDR0_STOP_MSB              0x13
  299 
  300 #define EXCA_CARDMEM_ADDR0_LSB                  0x14
  301 #define EXCA_CARDMEM_ADDR0_MSB                  0x15
  302 
  303 /* #define      EXCA_RESERVED                   0x17 */
  304 
  305 #define EXCA_SYSMEM_ADDR1_START_LSB             0x18
  306 #define EXCA_SYSMEM_ADDR1_START_MSB             0x19
  307 #define EXCA_SYSMEM_ADDR1_STOP_LSB              0x1A
  308 #define EXCA_SYSMEM_ADDR1_STOP_MSB              0x1B
  309 
  310 #define EXCA_CARDMEM_ADDR1_LSB                  0x1C
  311 #define EXCA_CARDMEM_ADDR1_MSB                  0x1D
  312 
  313 #define EXCA_SYSMEM_ADDR2_START_LSB             0x20
  314 #define EXCA_SYSMEM_ADDR2_START_MSB             0x21
  315 #define EXCA_SYSMEM_ADDR2_STOP_LSB              0x22
  316 #define EXCA_SYSMEM_ADDR2_STOP_MSB              0x23
  317 
  318 #define EXCA_CARDMEM_ADDR2_LSB                  0x24
  319 #define EXCA_CARDMEM_ADDR2_MSB                  0x25
  320 
  321 /* #define      EXCA_RESERVED                   0x26 */
  322 /* #define      EXCA_RESERVED                   0x27 */
  323 
  324 #define EXCA_SYSMEM_ADDR3_START_LSB             0x28
  325 #define EXCA_SYSMEM_ADDR3_START_MSB             0x29
  326 #define EXCA_SYSMEM_ADDR3_STOP_LSB              0x2A
  327 #define EXCA_SYSMEM_ADDR3_STOP_MSB              0x2B
  328 
  329 #define EXCA_CARDMEM_ADDR3_LSB                  0x2C
  330 #define EXCA_CARDMEM_ADDR3_MSB                  0x2D
  331 
  332 /* #define      EXCA_RESERVED                   0x2E */
  333 /* #define      EXCA_RESERVED                   0x2F */
  334 
  335 #define EXCA_SYSMEM_ADDR4_START_LSB             0x30
  336 #define EXCA_SYSMEM_ADDR4_START_MSB             0x31
  337 #define EXCA_SYSMEM_ADDR4_STOP_LSB              0x32
  338 #define EXCA_SYSMEM_ADDR4_STOP_MSB              0x33
  339 
  340 #define EXCA_CARDMEM_ADDR4_LSB                  0x34
  341 #define EXCA_CARDMEM_ADDR4_MSB                  0x35
  342 
  343 /* #define      EXCA_RESERVED                   0x36 */
  344 /* #define      EXCA_RESERVED                   0x37 */
  345 /* #define      EXCA_RESERVED                   0x38 */
  346 /* #define      EXCA_RESERVED                   0x39 */
  347 /* #define      EXCA_RESERVED                   0x3A */
  348 /* #define      EXCA_RESERVED                   0x3B */
  349 /* #define      EXCA_RESERVED                   0x3C */
  350 /* #define      EXCA_RESERVED                   0x3D */
  351 /* #define      EXCA_RESERVED                   0x3E */
  352 /* #define      EXCA_RESERVED                   0x3F */
  353 
  354 /* cardbus extensions - memory window page registers */
  355 
  356 #define EXCA_MEMREG_WIN_SHIFT                   24
  357 #define EXCA_SYSMEM_ADDR0_WIN                   0x40
  358 #define EXCA_SYSMEM_ADDR1_WIN                   0x41
  359 #define EXCA_SYSMEM_ADDR2_WIN                   0x42
  360 #define EXCA_SYSMEM_ADDR3_WIN                   0x43
  361 #define EXCA_SYSMEM_ADDR4_WIN                   0x44
  362 
  363 /* vendor-specific registers */
  364 
  365 #define EXCA_INTEL_GLOBAL_CTL                   0x1E    /* RW */
  366 #define EXCA_INTEL_GLOBAL_CTL_RESERVED          0xF0
  367 #define EXCA_INTEL_GLOBAL_CTL_IRQ14PULSE_ENABLE 0x08
  368 #define EXCA_INTEL_GLOBAL_CTL_EXPLICIT_CSC_ACK  0x04
  369 #define EXCA_INTEL_GLOBAL_CTL_IRQLEVEL_ENABLE   0x02
  370 #define EXCA_INTEL_GLOBAL_CTL_POWERDOWN         0x01
  371 
  372 #define EXCA_CIRRUS_MISC_CTL_2                  0x1E
  373 #define EXCA_CIRRUS_MISC_CTL_2_SUSPEND          0x04
  374 
  375 #define EXCA_CIRRUS_CHIP_INFO                   0x1F
  376 #define EXCA_CIRRUS_CHIP_INFO_CHIP_ID           0xC0
  377 #define EXCA_CIRRUS_CHIP_INFO_SLOTS             0x20
  378 #define EXCA_CIRRUS_CHIP_INFO_REV               0x1F
  379 
  380 #define EXCA_CIRRUS_EXTENDED_INDEX              0x2E
  381 #define EXCA_CIRRUS_EXTENDED_DATA               0x2F
  382 #define EXCA_CIRRUS_EXT_CONTROL_1               0x03
  383 #define EXCA_CIRRUS_EXT_CONTROL_1_PCI_INTR_MASK 0x18
  384 
  385 /* Plug and play */
  386 #define EXCA_PNP_ACTIONTEC      0x1802A904      /* AEI0218 */
  387 #define EXCA_PNP_IBM3765        0x65374d24      /* IBM3765 */
  388 #define EXCA_PNP_82365          0x000ED041      /* PNP0E00 */
  389 #define EXCA_PNP_CL_PD6720      0x010ED041      /* PNP0E01 */
  390 #define EXCA_PNP_VLSI_82C146    0x020ED041      /* PNP0E02 */
  391 #define EXCA_PNP_82365_CARDBUS  0x030ED041      /* PNP0E03 */
  392 #define EXCA_PNP_SCM_SWAPBOX    0x69046d4c      /* SMC0469 */
  393 
  394 /* C-Bus PnP Definitions */
  395 #define EXCA_NEC_PC9801_102     0x9180a3b8      /* NEC8091 PC-9801-102 */
  396 #define EXCA_NEC_PC9821RA_E01   0x2181a3b8      /* NEC8121 PC-9821RA-E01 */
  397 
  398 /*
  399  *      Mask of allowable interrupts.
  400  *
  401  *      For IBM-AT machines, irqs 3, 4, 5, 7, 9, 10, 11, 12, 14, 15 are
  402  *      allowed.  Nearly all IBM-AT machines with pcic cards or bridges
  403  *      wire these interrupts (or a subset thereof) to the corresponding
  404  *      pins on the ISA bus.  Some older laptops are reported to not route
  405  *      all the interrupt pins to the bus because the designers knew that
  406  *      some would conflict with builtin devices.  Older versions of Windows
  407  *      NT had a special device that would probe for conflicts early in the
  408  *      boot process and formulate a mapping table.  Maybe we should do
  409  *      something similar.
  410  *
  411  *      For NEC PC-98 machines, irq 3, 5, 6, 9, 10, 11, 12, 13 are allowed.
  412  *      These correspond to the C-BUS signals INT 0, 1, 2, 3, 41, 42, 5, 6
  413  *      respectively.
  414  *
  415  *      Hiroshi TSUKADA-san writes in FreeBSD98-testers that CBUS INT 2
  416  *      (mapped to IRQ 6) is routed to the IRQ 7 pin of the pcic in pc98
  417  *      cbus add-in cards.  He has confirmed this routing with a visual
  418  *      inspection of his card or a VOM.
  419  */
  420 #ifdef PC98
  421 #define EXCA_INT_MASK_ALLOWED   0x3E68          /* PC98 */
  422 #else
  423 #define EXCA_INT_MASK_ALLOWED   0xDEB8          /* AT */
  424 #endif
  425 
  426 #endif /* !_SYS_DEV_EXCA_EXCAREG_H */

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