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/pci/if_vrreg.h

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    1 /*-
    2  * Copyright (c) 1997, 1998
    3  *      Bill Paul <wpaul@ctr.columbia.edu>.  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, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by Bill Paul.
   16  * 4. Neither the name of the author nor the names of any co-contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
   24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   30  * THE POSSIBILITY OF SUCH DAMAGE.
   31  *
   32  * $FreeBSD: releng/6.0/sys/pci/if_vrreg.h 147256 2005-06-10 16:49:24Z brooks $
   33  */
   34 
   35 /*
   36  * Rhine register definitions.
   37  */
   38 
   39 #define VR_PAR0                 0x00    /* node address 0 to 4 */
   40 #define VR_PAR1                 0x04    /* node address 2 to 6 */
   41 #define VR_RXCFG                0x06    /* receiver config register */
   42 #define VR_TXCFG                0x07    /* transmit config register */
   43 #define VR_COMMAND              0x08    /* command register */
   44 #define VR_ISR                  0x0C    /* interrupt/status register */
   45 #define VR_IMR                  0x0E    /* interrupt mask register */
   46 #define VR_MAR0                 0x10    /* multicast hash 0 */
   47 #define VR_MAR1                 0x14    /* multicast hash 1 */
   48 #define VR_RXADDR               0x18    /* rx descriptor list start addr */
   49 #define VR_TXADDR               0x1C    /* tx descriptor list start addr */
   50 #define VR_CURRXDESC0           0x20
   51 #define VR_CURRXDESC1           0x24
   52 #define VR_CURRXDESC2           0x28
   53 #define VR_CURRXDESC3           0x2C
   54 #define VR_NEXTRXDESC0          0x30
   55 #define VR_NEXTRXDESC1          0x34
   56 #define VR_NEXTRXDESC2          0x38
   57 #define VR_NEXTRXDESC3          0x3C
   58 #define VR_CURTXDESC0           0x40
   59 #define VR_CURTXDESC1           0x44
   60 #define VR_CURTXDESC2           0x48
   61 #define VR_CURTXDESC3           0x4C
   62 #define VR_NEXTTXDESC0          0x50
   63 #define VR_NEXTTXDESC1          0x54
   64 #define VR_NEXTTXDESC2          0x58
   65 #define VR_NEXTTXDESC3          0x5C
   66 #define VR_CURRXDMA             0x60    /* current RX DMA address */
   67 #define VR_CURTXDMA             0x64    /* current TX DMA address */
   68 #define VR_TALLYCNT             0x68    /* tally counter test register */
   69 #define VR_PHYADDR              0x6C
   70 #define VR_MIISTAT              0x6D
   71 #define VR_BCR0                 0x6E
   72 #define VR_BCR1                 0x6F
   73 #define VR_MIICMD               0x70
   74 #define VR_MIIADDR              0x71
   75 #define VR_MIIDATA              0x72
   76 #define VR_EECSR                0x74
   77 #define VR_TEST                 0x75
   78 #define VR_GPIO                 0x76
   79 #define VR_CONFIG               0x78
   80 #define VR_MPA_CNT              0x7C
   81 #define VR_CRC_CNT              0x7E
   82 #define VR_STICKHW              0x83
   83 
   84 /* Misc Registers */
   85 #define VR_MISC_CR1             0x81
   86 #define VR_MISCCR1_FORSRST      0x40
   87 
   88 /*
   89  * RX config bits.
   90  */
   91 #define VR_RXCFG_RX_ERRPKTS     0x01
   92 #define VR_RXCFG_RX_RUNT        0x02
   93 #define VR_RXCFG_RX_MULTI       0x04
   94 #define VR_RXCFG_RX_BROAD       0x08
   95 #define VR_RXCFG_RX_PROMISC     0x10
   96 #define VR_RXCFG_RX_THRESH      0xE0
   97 
   98 #define VR_RXTHRESH_32BYTES     0x00
   99 #define VR_RXTHRESH_64BYTES     0x20
  100 #define VR_RXTHRESH_128BYTES    0x40
  101 #define VR_RXTHRESH_256BYTES    0x60
  102 #define VR_RXTHRESH_512BYTES    0x80
  103 #define VR_RXTHRESH_768BYTES    0xA0
  104 #define VR_RXTHRESH_1024BYTES   0xC0
  105 #define VR_RXTHRESH_STORENFWD   0xE0
  106 
  107 /*
  108  * TX config bits.
  109  */
  110 #define VR_TXCFG_RSVD0          0x01
  111 #define VR_TXCFG_LOOPBKMODE     0x06
  112 #define VR_TXCFG_BACKOFF        0x08
  113 #define VR_TXCFG_RSVD1          0x10
  114 #define VR_TXCFG_TX_THRESH      0xE0
  115 
  116 #define VR_TXTHRESH_32BYTES     0x00
  117 #define VR_TXTHRESH_64BYTES     0x20
  118 #define VR_TXTHRESH_128BYTES    0x40
  119 #define VR_TXTHRESH_256BYTES    0x60
  120 #define VR_TXTHRESH_512BYTES    0x80
  121 #define VR_TXTHRESH_768BYTES    0xA0
  122 #define VR_TXTHRESH_1024BYTES   0xC0
  123 #define VR_TXTHRESH_STORENFWD   0xE0
  124 
  125 /*
  126  * Command register bits.
  127  */
  128 #define VR_CMD_INIT             0x0001
  129 #define VR_CMD_START            0x0002
  130 #define VR_CMD_STOP             0x0004
  131 #define VR_CMD_RX_ON            0x0008
  132 #define VR_CMD_TX_ON            0x0010
  133 #define VR_CMD_TX_GO            0x0020
  134 #define VR_CMD_RX_GO            0x0040
  135 #define VR_CMD_RSVD             0x0080
  136 #define VR_CMD_RX_EARLY         0x0100
  137 #define VR_CMD_TX_EARLY         0x0200
  138 #define VR_CMD_FULLDUPLEX       0x0400
  139 #define VR_CMD_TX_NOPOLL        0x0800
  140 
  141 #define VR_CMD_RESET            0x8000
  142 
  143 /*
  144  * Interrupt status bits.
  145  */
  146 #define VR_ISR_RX_OK            0x0001  /* packet rx ok */
  147 #define VR_ISR_TX_OK            0x0002  /* packet tx ok */
  148 #define VR_ISR_RX_ERR           0x0004  /* packet rx with err */
  149 #define VR_ISR_TX_ABRT          0x0008  /* tx aborted due to excess colls */
  150 #define VR_ISR_TX_UNDERRUN      0x0010  /* tx buffer underflow */
  151 #define VR_ISR_RX_NOBUF         0x0020  /* no rx buffer available */
  152 #define VR_ISR_BUSERR           0x0040  /* PCI bus error */
  153 #define VR_ISR_STATSOFLOW       0x0080  /* stats counter oflow */
  154 #define VR_ISR_RX_EARLY         0x0100  /* rx early */
  155 #define VR_ISR_LINKSTAT         0x0200  /* MII status change */
  156 #define VR_ISR_ETI              0x0200  /* Tx early (3043/3071) */
  157 #define VR_ISR_UDFI             0x0200  /* Tx FIFO underflow (3065) */
  158 #define VR_ISR_RX_OFLOW         0x0400  /* rx FIFO overflow */
  159 #define VR_ISR_RX_DROPPED       0x0800
  160 #define VR_ISR_RX_NOBUF2        0x1000
  161 #define VR_ISR_TX_ABRT2         0x2000
  162 #define VR_ISR_LINKSTAT2        0x4000
  163 #define VR_ISR_MAGICPACKET      0x8000
  164 
  165 /*
  166  * Interrupt mask bits.
  167  */
  168 #define VR_IMR_RX_OK            0x0001  /* packet rx ok */
  169 #define VR_IMR_TX_OK            0x0002  /* packet tx ok */
  170 #define VR_IMR_RX_ERR           0x0004  /* packet rx with err */
  171 #define VR_IMR_TX_ABRT          0x0008  /* tx aborted due to excess colls */
  172 #define VR_IMR_TX_UNDERRUN      0x0010  /* tx buffer underflow */
  173 #define VR_IMR_RX_NOBUF         0x0020  /* no rx buffer available */
  174 #define VR_IMR_BUSERR           0x0040  /* PCI bus error */
  175 #define VR_IMR_STATSOFLOW       0x0080  /* stats counter oflow */
  176 #define VR_IMR_RX_EARLY         0x0100  /* rx early */
  177 #define VR_IMR_LINKSTAT         0x0200  /* MII status change */
  178 #define VR_IMR_RX_OFLOW         0x0400  /* rx FIFO overflow */
  179 #define VR_IMR_RX_DROPPED       0x0800
  180 #define VR_IMR_RX_NOBUF2        0x1000
  181 #define VR_IMR_TX_ABRT2         0x2000
  182 #define VR_IMR_LINKSTAT2        0x4000
  183 #define VR_IMR_MAGICPACKET      0x8000
  184 
  185 #define VR_INTRS                                                        \
  186         (VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF|                     \
  187         VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR|                \
  188         VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
  189 
  190 /*
  191  * MII status register.
  192  */
  193 
  194 #define VR_MIISTAT_SPEED        0x01
  195 #define VR_MIISTAT_LINKFAULT    0x02
  196 #define VR_MIISTAT_MGTREADERR   0x04
  197 #define VR_MIISTAT_MIIERR       0x08
  198 #define VR_MIISTAT_PHYOPT       0x10
  199 #define VR_MIISTAT_MDC_SPEED    0x20
  200 #define VR_MIISTAT_RSVD         0x40
  201 #define VR_MIISTAT_GPIO1POLL    0x80
  202 
  203 /*
  204  * MII command register bits.
  205  */
  206 #define VR_MIICMD_CLK           0x01
  207 #define VR_MIICMD_DATAOUT       0x02
  208 #define VR_MIICMD_DATAIN        0x04
  209 #define VR_MIICMD_DIR           0x08
  210 #define VR_MIICMD_DIRECTPGM     0x10
  211 #define VR_MIICMD_WRITE_ENB     0x20
  212 #define VR_MIICMD_READ_ENB      0x40
  213 #define VR_MIICMD_AUTOPOLL      0x80
  214 
  215 /*
  216  * EEPROM control bits.
  217  */
  218 #define VR_EECSR_DATAIN         0x01    /* data out */
  219 #define VR_EECSR_DATAOUT        0x02    /* data in */
  220 #define VR_EECSR_CLK            0x04    /* clock */
  221 #define VR_EECSR_CS             0x08    /* chip select */
  222 #define VR_EECSR_DPM            0x10
  223 #define VR_EECSR_LOAD           0x20
  224 #define VR_EECSR_EMBP           0x40
  225 #define VR_EECSR_EEPR           0x80
  226 
  227 #define VR_EECMD_WRITE          0x140
  228 #define VR_EECMD_READ           0x180
  229 #define VR_EECMD_ERASE          0x1c0
  230 
  231 /*
  232  * Test register bits.
  233  */
  234 #define VR_TEST_TEST0           0x01
  235 #define VR_TEST_TEST1           0x02
  236 #define VR_TEST_TEST2           0x04
  237 #define VR_TEST_TSTUD           0x08
  238 #define VR_TEST_TSTOV           0x10
  239 #define VR_TEST_BKOFF           0x20
  240 #define VR_TEST_FCOL            0x40
  241 #define VR_TEST_HBDES           0x80
  242 
  243 /*
  244  * Config register bits.
  245  */
  246 #define VR_CFG_GPIO2OUTENB      0x00000001
  247 #define VR_CFG_GPIO2OUT         0x00000002      /* gen. purp. pin */
  248 #define VR_CFG_GPIO2IN          0x00000004      /* gen. purp. pin */
  249 #define VR_CFG_AUTOOPT          0x00000008      /* enable rx/tx autopoll */
  250 #define VR_CFG_MIIOPT           0x00000010
  251 #define VR_CFG_MMIENB           0x00000020      /* memory mapped mode enb */
  252 #define VR_CFG_JUMPER           0x00000040      /* PHY and oper. mode select */
  253 #define VR_CFG_EELOAD           0x00000080      /* enable EEPROM programming */
  254 #define VR_CFG_LATMENB          0x00000100      /* larency timer effect enb. */
  255 #define VR_CFG_MRREADWAIT       0x00000200
  256 #define VR_CFG_MRWRITEWAIT      0x00000400
  257 #define VR_CFG_RX_ARB           0x00000800
  258 #define VR_CFG_TX_ARB           0x00001000
  259 #define VR_CFG_READMULTI        0x00002000
  260 #define VR_CFG_TX_PACE          0x00004000
  261 #define VR_CFG_TX_QDIS          0x00008000
  262 #define VR_CFG_ROMSEL0          0x00010000
  263 #define VR_CFG_ROMSEL1          0x00020000
  264 #define VR_CFG_ROMSEL2          0x00040000
  265 #define VR_CFG_ROMTIMESEL       0x00080000
  266 #define VR_CFG_RSVD0            0x00100000
  267 #define VR_CFG_ROMDLY           0x00200000
  268 #define VR_CFG_ROMOPT           0x00400000
  269 #define VR_CFG_RSVD1            0x00800000
  270 #define VR_CFG_BACKOFFOPT       0x01000000
  271 #define VR_CFG_BACKOFFMOD       0x02000000
  272 #define VR_CFG_CAPEFFECT        0x04000000
  273 #define VR_CFG_BACKOFFRAND      0x08000000
  274 #define VR_CFG_MAGICKPACKET     0x10000000
  275 #define VR_CFG_PCIREADLINE      0x20000000
  276 #define VR_CFG_DIAG             0x40000000
  277 #define VR_CFG_GPIOEN           0x80000000
  278 
  279 /* Sticky HW bits */
  280 #define VR_STICKHW_DS0          0x01
  281 #define VR_STICKHW_DS1          0x02
  282 #define VR_STICKHW_WOL_ENB      0x04
  283 #define VR_STICKHW_WOL_STS      0x08
  284 #define VR_STICKHW_LEGWOL_ENB   0x80
  285 
  286 /*
  287  * BCR0 register bits. (At least for the VT6102 chip.)
  288  */
  289 #define VR_BCR0_DMA_LENGTH      0x07
  290 
  291 #define VR_BCR0_DMA_32BYTES     0x00
  292 #define VR_BCR0_DMA_64BYTES     0x01
  293 #define VR_BCR0_DMA_128BYTES    0x02
  294 #define VR_BCR0_DMA_256BYTES    0x03
  295 #define VR_BCR0_DMA_512BYTES    0x04
  296 #define VR_BCR0_DMA_1024BYTES   0x05
  297 #define VR_BCR0_DMA_STORENFWD   0x07
  298 
  299 #define VR_BCR0_RX_THRESH       0x38
  300 
  301 #define VR_BCR0_RXTHRESHCFG     0x00
  302 #define VR_BCR0_RXTHRESH64BYTES 0x08
  303 #define VR_BCR0_RXTHRESH128BYTES 0x10
  304 #define VR_BCR0_RXTHRESH256BYTES 0x18
  305 #define VR_BCR0_RXTHRESH512BYTES 0x20
  306 #define VR_BCR0_RXTHRESH1024BYTES 0x28
  307 #define VR_BCR0_RXTHRESHSTORENFWD 0x38
  308 #define VR_BCR0_EXTLED          0x40
  309 #define VR_BCR0_MED2            0x80
  310 
  311 /*
  312  * BCR1 register bits. (At least for the VT6102 chip.)
  313  */
  314 #define VR_BCR1_POT0            0x01
  315 #define VR_BCR1_POT1            0x02
  316 #define VR_BCR1_POT2            0x04
  317 #define VR_BCR1_TX_THRESH       0x38
  318 #define VR_BCR1_TXTHRESHCFG     0x00
  319 #define VR_BCR1_TXTHRESH64BYTES 0x08
  320 #define VR_BCR1_TXTHRESH128BYTES 0x10
  321 #define VR_BCR1_TXTHRESH256BYTES 0x18
  322 #define VR_BCR1_TXTHRESH512BYTES 0x20
  323 #define VR_BCR1_TXTHRESH1024BYTES 0x28
  324 #define VR_BCR1_TXTHRESHSTORENFWD 0x38
  325 
  326 /*
  327  * Rhine TX/RX list structure.
  328  */
  329 
  330 struct vr_desc {
  331         u_int32_t               vr_status;
  332         u_int32_t               vr_ctl;
  333         u_int32_t               vr_ptr1;
  334         u_int32_t               vr_ptr2;
  335 };
  336 
  337 #define vr_data         vr_ptr1
  338 #define vr_next         vr_ptr2
  339 
  340 
  341 #define VR_RXSTAT_RXERR         0x00000001
  342 #define VR_RXSTAT_CRCERR        0x00000002
  343 #define VR_RXSTAT_FRAMEALIGNERR 0x00000004
  344 #define VR_RXSTAT_FIFOOFLOW     0x00000008
  345 #define VR_RXSTAT_GIANT         0x00000010
  346 #define VR_RXSTAT_RUNT          0x00000020
  347 #define VR_RXSTAT_BUSERR        0x00000040
  348 #define VR_RXSTAT_BUFFERR       0x00000080
  349 #define VR_RXSTAT_LASTFRAG      0x00000100
  350 #define VR_RXSTAT_FIRSTFRAG     0x00000200
  351 #define VR_RXSTAT_RLINK         0x00000400
  352 #define VR_RXSTAT_RX_PHYS       0x00000800
  353 #define VR_RXSTAT_RX_BROAD      0x00001000
  354 #define VR_RXSTAT_RX_MULTI      0x00002000
  355 #define VR_RXSTAT_RX_OK         0x00004000
  356 #define VR_RXSTAT_RXLEN         0x07FF0000
  357 #define VR_RXSTAT_RXLEN_EXT     0x78000000
  358 #define VR_RXSTAT_OWN           0x80000000
  359 
  360 #define VR_RXBYTES(x)           ((x & VR_RXSTAT_RXLEN) >> 16)
  361 #define VR_RXSTAT (VR_RXSTAT_FIRSTFRAG|VR_RXSTAT_LASTFRAG|VR_RXSTAT_OWN)
  362 
  363 #define VR_RXCTL_BUFLEN         0x000007FF
  364 #define VR_RXCTL_BUFLEN_EXT     0x00007800
  365 #define VR_RXCTL_CHAIN          0x00008000
  366 #define VR_RXCTL_RX_INTR        0x00800000
  367 
  368 #define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR)
  369 
  370 #define VR_TXSTAT_DEFER         0x00000001
  371 #define VR_TXSTAT_UNDERRUN      0x00000002
  372 #define VR_TXSTAT_COLLCNT       0x00000078
  373 #define VR_TXSTAT_SQE           0x00000080
  374 #define VR_TXSTAT_ABRT          0x00000100
  375 #define VR_TXSTAT_LATECOLL      0x00000200
  376 #define VR_TXSTAT_CARRLOST      0x00000400
  377 #define VR_TXSTAT_UDF           0x00000800
  378 #define VR_TXSTAT_BUSERR        0x00002000
  379 #define VR_TXSTAT_JABTIMEO      0x00004000
  380 #define VR_TXSTAT_ERRSUM        0x00008000
  381 #define VR_TXSTAT_OWN           0x80000000
  382 
  383 #define VR_TXCTL_BUFLEN         0x000007FF
  384 #define VR_TXCTL_BUFLEN_EXT     0x00007800
  385 #define VR_TXCTL_TLINK          0x00008000
  386 #define VR_TXCTL_FIRSTFRAG      0x00200000
  387 #define VR_TXCTL_LASTFRAG       0x00400000
  388 #define VR_TXCTL_FINT           0x00800000
  389 
  390 
  391 #define VR_MAXFRAGS             16
  392 #define VR_RX_LIST_CNT          64
  393 #define VR_TX_LIST_CNT          128
  394 #define VR_MIN_FRAMELEN         60
  395 #define VR_FRAMELEN             1536
  396 #define VR_RXLEN                1520
  397 
  398 #define VR_TXOWN(x)             x->vr_ptr->vr_status
  399 
  400 struct vr_list_data {
  401         struct vr_desc          vr_rx_list[VR_RX_LIST_CNT];
  402         struct vr_desc          vr_tx_list[VR_TX_LIST_CNT];
  403 };
  404 
  405 struct vr_chain {
  406         struct vr_desc          *vr_ptr;
  407         struct mbuf             *vr_mbuf;
  408         struct vr_chain         *vr_nextdesc;
  409 };
  410 
  411 struct vr_chain_onefrag {
  412         struct vr_desc          *vr_ptr;
  413         struct mbuf             *vr_mbuf;
  414         struct vr_chain_onefrag *vr_nextdesc;
  415 };
  416 
  417 struct vr_chain_data {
  418         struct vr_chain_onefrag vr_rx_chain[VR_RX_LIST_CNT];
  419         struct vr_chain         vr_tx_chain[VR_TX_LIST_CNT];
  420 
  421         struct vr_chain_onefrag *vr_rx_head;
  422 
  423         struct vr_chain         *vr_tx_cons;
  424         struct vr_chain         *vr_tx_prod;
  425 };
  426 
  427 struct vr_type {
  428         u_int16_t               vr_vid;
  429         u_int16_t               vr_did;
  430         char                    *vr_name;
  431 };
  432 
  433 struct vr_mii_frame {
  434         u_int8_t                mii_stdelim;
  435         u_int8_t                mii_opcode;
  436         u_int8_t                mii_phyaddr;
  437         u_int8_t                mii_regaddr;
  438         u_int8_t                mii_turnaround;
  439         u_int16_t               mii_data;
  440 };
  441 
  442 /*
  443  * MII constants
  444  */
  445 #define VR_MII_STARTDELIM       0x01
  446 #define VR_MII_READOP           0x02
  447 #define VR_MII_WRITEOP          0x01
  448 #define VR_MII_TURNAROUND       0x02
  449 
  450 #define VR_FLAG_FORCEDELAY      1
  451 #define VR_FLAG_SCHEDDELAY      2
  452 #define VR_FLAG_DELAYTIMEO      3       
  453 
  454 struct vr_softc {
  455         struct ifnet            *vr_ifp;        /* interface info */
  456         bus_space_handle_t      vr_bhandle;     /* bus space handle */
  457         bus_space_tag_t         vr_btag;        /* bus space tag */
  458         struct resource         *vr_res;
  459         struct resource         *vr_irq;
  460         void                    *vr_intrhand;
  461         device_t                vr_miibus;
  462         struct vr_type          *vr_info;       /* Rhine adapter info */
  463         u_int8_t                vr_unit;        /* interface number */
  464         u_int8_t                vr_type;
  465         u_int8_t                vr_revid;       /* Rhine chip revision */
  466         u_int8_t                vr_flags;       /* See VR_F_* below */
  467         struct vr_list_data     *vr_ldata;
  468         struct vr_chain_data    vr_cdata;
  469         struct callout_handle   vr_stat_ch;
  470         struct mtx              vr_mtx;
  471         int                     suspended;      /* if 1, sleeping/detaching */
  472 #ifdef DEVICE_POLLING
  473         int                     rxcycles;
  474 #endif
  475 };
  476 
  477 #define VR_F_RESTART            0x01            /* Restart unit on next tick */
  478 
  479 #define VR_LOCK(_sc)            mtx_lock(&(_sc)->vr_mtx)
  480 #define VR_UNLOCK(_sc)          mtx_unlock(&(_sc)->vr_mtx)
  481 #define VR_LOCK_ASSERT(_sc)     mtx_assert(&(_sc)->vr_mtx, MA_OWNED)
  482 
  483 /*
  484  * register space access macros
  485  */
  486 #define CSR_WRITE_4(sc, reg, val)       \
  487         bus_space_write_4(sc->vr_btag, sc->vr_bhandle, reg, val)
  488 #define CSR_WRITE_2(sc, reg, val)       \
  489         bus_space_write_2(sc->vr_btag, sc->vr_bhandle, reg, val)
  490 #define CSR_WRITE_1(sc, reg, val)       \
  491         bus_space_write_1(sc->vr_btag, sc->vr_bhandle, reg, val)
  492 
  493 #define CSR_READ_4(sc, reg)             \
  494         bus_space_read_4(sc->vr_btag, sc->vr_bhandle, reg)
  495 #define CSR_READ_2(sc, reg)             \
  496         bus_space_read_2(sc->vr_btag, sc->vr_bhandle, reg)
  497 #define CSR_READ_1(sc, reg)             \
  498         bus_space_read_1(sc->vr_btag, sc->vr_bhandle, reg)
  499 
  500 #define VR_TIMEOUT              1000
  501 #define ETHER_ALIGN             2
  502 
  503 /*
  504  * General constants that are fun to know.
  505  *
  506  * VIA vendor ID
  507  */
  508 #define VIA_VENDORID                    0x1106
  509 
  510 /*
  511  * VIA Rhine device IDs.
  512  */
  513 #define VIA_DEVICEID_RHINE              0x3043
  514 #define VIA_DEVICEID_RHINE_II           0x6100
  515 #define VIA_DEVICEID_RHINE_II_2         0x3065
  516 #define VIA_DEVICEID_RHINE_III          0x3106
  517 #define VIA_DEVICEID_RHINE_III_M        0x3053
  518 
  519 /*
  520  * Delta Electronics device ID.
  521  */
  522 #define DELTA_VENDORID                  0x1500
  523 
  524 /*
  525  * Delta device IDs.
  526  */
  527 #define DELTA_DEVICEID_RHINE_II         0x1320
  528 
  529 /*
  530  * Addtron vendor ID.
  531  */
  532 #define ADDTRON_VENDORID                0x4033
  533 
  534 /*
  535  * Addtron device IDs.
  536  */
  537 #define ADDTRON_DEVICEID_RHINE_II       0x1320
  538 
  539 /*
  540  * VIA Rhine revision IDs
  541  */
  542 
  543 #define REV_ID_VT3043_E                 0x04
  544 #define REV_ID_VT3071_A                 0x20
  545 #define REV_ID_VT3071_B                 0x21
  546 #define REV_ID_VT3065_A                 0x40
  547 #define REV_ID_VT3065_B                 0x41
  548 #define REV_ID_VT3065_C                 0x42
  549 #define REV_ID_VT6102_APOLLO            0x74
  550 #define REV_ID_VT3106                   0x80
  551 #define REV_ID_VT3106_J                 0x80    /* 0x80-0x8F */
  552 #define REV_ID_VT3106_S                 0x90    /* 0x90-0xA0 */
  553 
  554 /*
  555  * PCI low memory base and low I/O base register, and
  556  * other PCI registers.
  557  */
  558 
  559 #define VR_PCI_VENDOR_ID        0x00
  560 #define VR_PCI_DEVICE_ID        0x02
  561 #define VR_PCI_COMMAND          0x04
  562 #define VR_PCI_STATUS           0x06
  563 #define VR_PCI_REVID            0x08
  564 #define VR_PCI_CLASSCODE        0x09
  565 #define VR_PCI_LATENCY_TIMER    0x0D
  566 #define VR_PCI_HEADER_TYPE      0x0E
  567 #define VR_PCI_LOIO             0x10
  568 #define VR_PCI_LOMEM            0x14
  569 #define VR_PCI_BIOSROM          0x30
  570 #define VR_PCI_INTLINE          0x3C
  571 #define VR_PCI_INTPIN           0x3D
  572 #define VR_PCI_MINGNT           0x3E
  573 #define VR_PCI_MINLAT           0x0F
  574 #define VR_PCI_RESETOPT         0x48
  575 #define VR_PCI_EEPROM_DATA      0x4C
  576 #define VR_PCI_MODE             0x50
  577 
  578 #define VR_MODE3_MIION          0x04
  579 
  580 /* power management registers */
  581 #define VR_PCI_CAPID            0xDC /* 8 bits */
  582 #define VR_PCI_NEXTPTR          0xDD /* 8 bits */
  583 #define VR_PCI_PWRMGMTCAP       0xDE /* 16 bits */
  584 #define VR_PCI_PWRMGMTCTRL      0xE0 /* 16 bits */
  585 
  586 #define VR_PSTATE_MASK          0x0003
  587 #define VR_PSTATE_D0            0x0000
  588 #define VR_PSTATE_D1            0x0002
  589 #define VR_PSTATE_D2            0x0002
  590 #define VR_PSTATE_D3            0x0003
  591 #define VR_PME_EN               0x0010
  592 #define VR_PME_STATUS           0x8000
  593 
  594 
  595 #ifdef __alpha__
  596 #undef vtophys
  597 #define vtophys(va)             alpha_XXX_dmamap((vm_offset_t)va)
  598 #endif

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