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if_tlvar.h revision 1.12.74.1 
      1 /*	$NetBSD: if_tlvar.h,v 1.12.74.1 2009/05/04 08:12:58 yamt Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *  This product includes software developed by Manuel Bouyer.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Texas Instruments ThunderLAN ethernet controller
     34  * ThunderLAN Programmer's Guide (TI Literature Number SPWU013A)
     35  * available from www.ti.com
     36  */
     37 
     38 #include "rnd.h"
     39 
     40 #if NRND > 0
     41 #include <sys/rnd.h>
     42 #endif
     43 
     44 #include <dev/i2c/i2cvar.h>
     45 
     46 struct tl_product_desc {
     47 	u_int32_t tp_product;
     48 	int tp_tlphymedia;
     49 	const char *tp_desc;
     50 };
     51 
     52 struct tl_softc {
     53 	device_t sc_dev;		/* base device */
     54 	bus_space_tag_t tl_bustag;
     55 	bus_space_handle_t tl_bushandle; /* CSR region handle */
     56 	bus_dma_tag_t tl_dmatag;
     57 	const struct tl_product_desc *tl_product;
     58 	void* tl_ih;
     59 	struct ethercom tl_ec;
     60 	struct callout tl_tick_ch;	/* tick callout */
     61 	struct callout tl_restart_ch;	/* restart callout */
     62 	u_int8_t tl_enaddr[ETHER_ADDR_LEN];	/* hardware address */
     63 	struct i2c_controller sc_i2c;	/* i2c controller info, for eeprom */
     64 	mii_data_t tl_mii;		/* mii bus */
     65 	bus_dma_segment_t ctrl_segs; /* bus-dma memory for control blocks */
     66 	int ctrl_nsegs;
     67 	char *ctrl;			/* vaddr for ctrl_segs */
     68 	struct Rx_list *Rx_list;	/* Receive and transmit lists */
     69 	struct tl_Rx_list *hw_Rx_list;	/* and assocoated hw descriptor */
     70 	bus_dmamap_t Rx_dmamap;		/* and associated DMA maps */
     71 	struct Tx_list *Tx_list;
     72 	struct tl_Tx_list *hw_Tx_list;
     73 	bus_dmamap_t Tx_dmamap;
     74 	struct Rx_list *active_Rx, *last_Rx;
     75 	struct Tx_list *active_Tx, *last_Tx;
     76 	struct Tx_list *Free_Tx;
     77 	bus_dmamap_t null_dmamap;	/* for small packets padding */
     78 #ifdef TL_PRIV_STATS
     79 	int ierr_overr;
     80 	int ierr_code;
     81 	int ierr_crc;
     82 	int ierr_nomem;
     83 	int oerr_underr;
     84 	int oerr_deferred;
     85 	int oerr_coll;
     86 	int oerr_multicoll;
     87 	int oerr_latecoll;
     88 	int oerr_exesscoll;
     89 	int oerr_carrloss;
     90 	int oerr_mcopy;
     91 #endif
     92 #if NRND > 0
     93 	rndsource_element_t rnd_source;
     94 #endif
     95 };
     96 #define tl_if            tl_ec.ec_if
     97 #define tl_bpf   tl_if.if_bpf
     98 
     99 typedef struct tl_softc tl_softc_t;
    100 typedef u_long ioctl_cmd_t;
    101 
    102 #define TL_HR_READ(sc, reg) \
    103 	bus_space_read_4(sc->tl_bustag, sc->tl_bushandle, (reg))
    104 #define TL_HR_READ_BYTE(sc, reg) \
    105 	bus_space_read_1(sc->tl_bustag, sc->tl_bushandle, (reg))
    106 #define TL_HR_WRITE(sc, reg, data) \
    107 	bus_space_write_4(sc->tl_bustag, sc->tl_bushandle, (reg), (data))
    108 #define TL_HR_WRITE_BYTE(sc, reg, data) \
    109 	bus_space_write_1(sc->tl_bustag, sc->tl_bushandle, (reg), (data))
    110 #define ETHER_MIN_TX (ETHERMIN + sizeof(struct ether_header))
    111