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/ic/cs89x0var.h

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    1 /*      $NetBSD: cs89x0var.h,v 1.11 2006/02/16 20:17:16 perry Exp $     */
    2 
    3 /*
    4  * Copyright 1997
    5  * Digital Equipment Corporation. All rights reserved.
    6  *
    7  * This software is furnished under license and may be used and
    8  * copied only in accordance with the following terms and conditions.
    9  * Subject to these conditions, you may download, copy, install,
   10  * use, modify and distribute this software in source and/or binary
   11  * form. No title or ownership is transferred hereby.
   12  *
   13  * 1) Any source code used, modified or distributed must reproduce
   14  *    and retain this copyright notice and list of conditions as
   15  *    they appear in the source file.
   16  *
   17  * 2) No right is granted to use any trade name, trademark, or logo of
   18  *    Digital Equipment Corporation. Neither the "Digital Equipment
   19  *    Corporation" name nor any trademark or logo of Digital Equipment
   20  *    Corporation may be used to endorse or promote products derived
   21  *    from this software without the prior written permission of
   22  *    Digital Equipment Corporation.
   23  *
   24  * 3) This software is provided "AS-IS" and any express or implied
   25  *    warranties, including but not limited to, any implied warranties
   26  *    of merchantability, fitness for a particular purpose, or
   27  *    non-infringement are disclaimed. In no event shall DIGITAL be
   28  *    liable for any damages whatsoever, and in particular, DIGITAL
   29  *    shall not be liable for special, indirect, consequential, or
   30  *    incidental damages or damages for lost profits, loss of
   31  *    revenue or loss of use, whether such damages arise in contract,
   32  *    negligence, tort, under statute, in equity, at law or otherwise,
   33  *    even if advised of the possibility of such damage.
   34  */
   35 
   36 /*
   37 **++
   38 **  FACILITY  Crystal CS8900 Ethernet driver header file
   39 **
   40 **  ABSTRACT
   41 **
   42 **     This module provides CS8900 driver softc and related definitions
   43 **
   44 **  AUTHORS
   45 **
   46 **     Peter Dettori   SEA - Software Engineering.
   47 **
   48 **  CREATION DATE:
   49 **
   50 **       13-Feb-1997.
   51 **
   52 **  MODIFICATION HISTORY:
   53 **
   54 **--
   55 */
   56 
   57 #ifndef _DEV_IC_CS89X0VAR_H_
   58 #define _DEV_IC_CS89X0VAR_H_
   59 
   60 /*
   61  * Ethernet software status per interface.
   62  *
   63  * Each interface is referenced by a network interface structure,
   64  * arpcom.ac_if, which the routing code uses to locate the interface.
   65  * This structure contains the output queue for the interface,
   66  * its address, ...
   67  */
   68 struct cs_softc {
   69         struct device sc_dev;           /* base device glue */
   70         struct ethercom sc_ethercom;    /* Ethernet common */
   71         struct ifmedia sc_media;        /* media control structures */
   72 
   73         void    *sc_ih;                 /* interrupt handler */
   74         void    *sc_sh;                 /* shutdown hook */
   75 
   76         bus_space_tag_t sc_iot;         /* bus space tag for IO */
   77         bus_space_tag_t sc_memt;        /* bus space tag for memory mode */
   78         bus_space_handle_t sc_ioh;      /* bus space handles */
   79         bus_space_handle_t sc_memh;
   80 
   81 #if 0
   82         isa_chipset_tag_t sc_ic;        /* ISA chipset */
   83 #endif
   84 
   85         int     sc_irq;                 /* IRQ line */
   86 
   87         int     sc_prodid;              /* saved product ID */
   88         int     sc_prodrev;             /* saved product rev */
   89 
   90         bus_addr_t sc_pktpgaddr;        /* PacketPage bus memory address */
   91 
   92         int     sc_cfgflags;            /* software configuration flags */
   93 
   94         int     sc_memorymode;          /* are we in memory mode? */
   95         int     sc_txbusy;              /* transmit in progress */
   96         int     sc_resetting;           /* reset in progress */
   97 
   98         int     sc_xe_ent;              /* current early-xmit table entry */
   99         int     sc_xe_togo;             /* # of packets to go at this ent */
  100 
  101         int     sc_carrier;             /* has carrier */
  102 
  103         u_int8_t sc_enaddr[ETHER_ADDR_LEN];     /* MAC address */
  104 
  105         int     eeprom_size;            /* how large is the eeprom (in bytes) */
  106         u_int16_t *eeprom_data;         /* copy of the eeprom data */
  107 
  108 #if NRND > 0
  109         rndsource_element_t rnd_source; /* random source */
  110 #endif
  111 
  112         /* power management */
  113         int (*sc_enable)(struct cs_softc *);
  114         void (*sc_disable)(struct cs_softc *);
  115         void *sc_powerhook;
  116 
  117         /* DMA hooks */
  118         void (*sc_dma_process_rx)(struct cs_softc *);
  119         void (*sc_dma_chipinit)(struct cs_softc *);
  120         void (*sc_dma_attach)(struct cs_softc *);
  121 
  122         /* register access hooks */
  123         u_int8_t (*sc_io_read_1)(struct cs_softc *, bus_size_t);
  124         u_int16_t (*sc_io_read_2)(struct cs_softc *, bus_size_t);
  125         void (*sc_io_read_multi_2)(struct cs_softc *, bus_size_t, u_int16_t *,
  126                                 bus_size_t);
  127         void (*sc_io_write_2)(struct cs_softc *, bus_size_t, u_int16_t);
  128         void (*sc_io_write_multi_2)(struct cs_softc *, bus_size_t,
  129                                  const u_int16_t *, bus_size_t);
  130         u_int16_t (*sc_mem_read_2)(struct cs_softc *, bus_size_t);
  131         void (*sc_mem_write_2)(struct cs_softc *, bus_size_t, u_int16_t);
  132         void (*sc_mem_write_region_2)(struct cs_softc *, bus_size_t,
  133                                       const u_int16_t *, bus_size_t);
  134 };
  135 
  136 #define IO_READ_1(sc, a) \
  137         (sc)->sc_io_read_1 ? \
  138                 (sc)->sc_io_read_1((sc), (a)) : \
  139                 bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (a))
  140 #define IO_READ_2(sc, a) \
  141         (sc)->sc_io_read_2 ? \
  142                 (sc)->sc_io_read_2((sc), (a)) : \
  143                 bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, (a))
  144 #define IO_READ_MULTI_2(sc, a, b, c) \
  145         if ((sc)->sc_io_read_multi_2) \
  146                 (sc)->sc_io_read_multi_2((sc), (a), (b), (c)); else \
  147                 bus_space_read_multi_2((sc)->sc_iot, (sc)->sc_ioh, (a), (b), (c))
  148 #define IO_WRITE_2(sc, a, d) \
  149         if ((sc)->sc_io_write_2) \
  150                 (sc)->sc_io_write_2((sc), (a), (d)); else \
  151                 bus_space_write_2((sc)->sc_iot, (sc)->sc_ioh, (a), (d))
  152 #define IO_WRITE_MULTI_2(sc, a, d, c) \
  153         if ((sc)->sc_io_write_multi_2) \
  154                 (sc)->sc_io_write_multi_2((sc), (a), (d), (c)); else \
  155                 bus_space_write_multi_2((sc)->sc_iot, (sc)->sc_ioh, (a), (d), (c))
  156 #define MEM_READ_2(sc, a) \
  157         (sc)->sc_mem_read_2 ? \
  158                 (sc)->sc_mem_read_2((sc), (a)) : \
  159                 bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (a))
  160 #define MEM_WRITE_2(sc, a, d) \
  161         if ((sc)->sc_mem_write_2) \
  162                 (sc)->sc_mem_write_2((sc), (a), (d)); else \
  163                 bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (a), (d))
  164 #define MEM_WRITE_REGION_2(sc, a, d, c) \
  165         if ((sc)->sc_mem_write_region_2) \
  166                 (sc)->sc_mem_write_region_2((sc), (a), (d), (c)); else \
  167                 bus_space_write_region_2((sc)->sc_memt, (sc)->sc_memh, (a), (d), (c))
  168 
  169 
  170 /* Config Flags in cs_softc */
  171 
  172 #define CFGFLG_MEM_MODE     0x0001
  173 #define CFGFLG_USE_SA       0x0002
  174 #define CFGFLG_IOCHRDY      0x0004
  175 #define CFGFLG_DCDC_POL     0x0008
  176 #define CFGFLG_DMA_MODE     0x0020
  177 #define CFGFLG_ATTACHED     0x0040 /* XXX should not be here? */
  178 #define CFGFLG_CARDBUS_HACK 0x0080
  179 #define CFGFLG_ENABLED      0x0100 /* XXX should not be here? */
  180 #define CFGFLG_PARSE_EEPROM 0x0200
  181 #define CFGFLG_NOT_EEPROM   0x8000
  182 
  183 
  184 /*
  185  * Inlines for reading/writing the packet page area.
  186  */
  187 
  188 static __inline u_int16_t _cs_read_port(struct cs_softc *, int);
  189 
  190 static __inline u_int16_t
  191 _cs_read_port(struct cs_softc *sc, int off)
  192 {
  193         u_int16_t result;
  194 
  195         if (sc->sc_cfgflags & CFGFLG_CARDBUS_HACK) {
  196             /*
  197                  * hack for EtherJet PCMCIA and cardbus (obtained from freebsd)
  198                  *
  199              * EtherJet PCMCIA don't work with cardbus bridges
  200              * (at least TI1250) without this hack.
  201              */
  202             result = (IO_READ_1(sc, off) & 0xff);
  203             result |= ((IO_READ_1(sc, off+1) & 0xff) << 8);
  204         }
  205         else {
  206             result = IO_READ_2(sc, off);
  207         }
  208 
  209         return result;
  210 }
  211 
  212 static __inline u_int16_t _CS_READ_PACKET_PAGE_IO(struct cs_softc *, int);
  213 
  214 static __inline u_int16_t
  215 _CS_READ_PACKET_PAGE_IO(struct cs_softc *sc, int offset)
  216 {
  217 
  218         IO_WRITE_2(sc, PORT_PKTPG_PTR, offset);
  219         return (_cs_read_port(sc, PORT_PKTPG_DATA));
  220 }
  221 
  222 static __inline u_int16_t CS_READ_PACKET_PAGE_IO(struct cs_softc *, int);
  223 
  224 static __inline u_int16_t
  225 CS_READ_PACKET_PAGE_IO(struct cs_softc *sc, int offset)
  226 {
  227 
  228         IO_WRITE_2(sc, PORT_PKTPG_PTR, offset);
  229         return (IO_READ_2(sc, PORT_PKTPG_DATA));
  230 }
  231 
  232 #define CS_READ_PACKET_PAGE_MEM(sc, offset)                             \
  233         MEM_READ_2((sc), (offset))
  234 
  235 #define CS_READ_PACKET_PAGE(sc, offset)                                 \
  236         ((sc)->sc_memorymode ? CS_READ_PACKET_PAGE_MEM((sc), (offset)) :\
  237          _CS_READ_PACKET_PAGE_IO((sc), (offset)))
  238 
  239 #define CS_WRITE_PACKET_PAGE_IO(sc, offset, val)                        \
  240 do {                                                                    \
  241         IO_WRITE_2((sc), PORT_PKTPG_PTR, (offset));                     \
  242         IO_WRITE_2((sc), PORT_PKTPG_DATA, (val));                       \
  243 } while (0)
  244 
  245 #define CS_WRITE_PACKET_PAGE_MEM(sc, offset, val)               \
  246         MEM_WRITE_2((sc), (offset), (val))
  247 
  248 #define CS_WRITE_PACKET_PAGE(sc, offset, val)                           \
  249 do {                                                                    \
  250         if ((sc)->sc_memorymode)                                        \
  251                 CS_WRITE_PACKET_PAGE_MEM((sc), (offset), (val));        \
  252         else                                                            \
  253                 CS_WRITE_PACKET_PAGE_IO((sc), (offset), (val));         \
  254 } while (0)
  255 
  256 #define CS_READ_PORT(sc, off)\
  257         IO_READ_2((sc), (off))
  258 
  259 #define CS_WRITE_PORT(sc, off, val)\
  260         IO_WRITE_2((sc), (off), (val))
  261 
  262 
  263 /* Return Status */
  264 #define CS_ERROR   -1
  265 #define CS_OK       1
  266 
  267 
  268 /* Media Type in cs_softc */
  269 
  270 #define MEDIA_AUI           0x0001
  271 #define MEDIA_10BASE2       0x0002
  272 #define MEDIA_10BASET       0x0003
  273 
  274 
  275 /* Miscellaneous definitions */
  276 
  277 #define MAXLOOP            0x8888
  278 
  279 int     cs_attach(struct cs_softc *, u_int8_t *, int *, int, int);
  280 int     cs_detach(struct cs_softc *);
  281 int     cs_verify_eeprom(struct cs_softc *);
  282 int     cs_read_eeprom(struct cs_softc *, int, u_int16_t *);
  283 int     cs_intr(void *);
  284 int     cs_activate(struct device *, enum devact);
  285 void    cs_ether_input(struct cs_softc *, struct mbuf *);
  286 void    cs_print_rx_errors(struct cs_softc *, u_int16_t);
  287 int     cs_init(struct ifnet *);
  288 
  289 #define CS_IS_ENABLED(sc)       ((sc)->sc_cfgflags & CFGFLG_ENABLED)
  290 
  291 #endif /* _DEV_IC_CS89X0VAR_H_ */

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