1 /* $NetBSD: if_tlvar.h,v 1.7 2001/09/20 10:04:10 bouyer 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 struct tl_product_desc { 39 u_int32_t tp_product; 40 int tp_tlphymedia; 41 const char *tp_desc; 42 }; 43 44 struct tl_softc { 45 struct device sc_dev; /* base device */ 46 bus_space_tag_t tl_bustag; 47 bus_space_handle_t tl_bushandle; /* CSR region handle */ 48 bus_dma_tag_t tl_dmatag; 49 const struct tl_product_desc *tl_product; 50 void* tl_ih; 51 struct ethercom tl_ec; 52 struct callout tl_tick_ch; /* tick callout */ 53 struct callout tl_restart_ch; /* restart callout */ 54 u_int8_t tl_enaddr[ETHER_ADDR_LEN]; /* hardware adress */ 55 i2c_adapter_t i2cbus; /* i2c bus, for eeprom */ 56 mii_data_t tl_mii; /* mii bus */ 57 bus_dma_segment_t ctrl_segs; /* bus-dma memory for control blocks */ 58 int ctrl_nsegs; 59 char *ctrl; /* vaddr for ctrl_segs */ 60 struct Rx_list *Rx_list; /* Receive and transmit lists */ 61 struct tl_Rx_list *hw_Rx_list; /* and assocoated hw descriptor */ 62 bus_dmamap_t Rx_dmamap; /* and associated DMA maps */ 63 struct Tx_list *Tx_list; 64 struct tl_Tx_list *hw_Tx_list; 65 bus_dmamap_t Tx_dmamap; 66 struct Rx_list *active_Rx, *last_Rx; 67 struct Tx_list *active_Tx, *last_Tx; 68 struct Tx_list *Free_Tx; 69 bus_dmamap_t null_dmamap; /* for small packets padding */ 70 #ifdef TL_PRIV_STATS 71 int ierr_overr; 72 int ierr_code; 73 int ierr_crc; 74 int ierr_nomem; 75 int oerr_underr; 76 int oerr_deffered; 77 int oerr_coll; 78 int oerr_multicoll; 79 int oerr_latecoll; 80 int oerr_exesscoll; 81 int oerr_carrloss; 82 int oerr_mcopy; 83 #endif 84 }; 85 #define tl_if tl_ec.ec_if 86 #define tl_bpf tl_if.if_bpf 87 88 typedef struct tl_softc tl_softc_t; 89 typedef u_long ioctl_cmd_t; 90 91 #define TL_HR_READ(sc, reg) \ 92 bus_space_read_4(sc->tl_bustag, sc->tl_bushandle, (reg)) 93 #define TL_HR_READ_BYTE(sc, reg) \ 94 bus_space_read_1(sc->tl_bustag, sc->tl_bushandle, (reg)) 95 #define TL_HR_WRITE(sc, reg, data) \ 96 bus_space_write_4(sc->tl_bustag, sc->tl_bushandle, (reg), (data)) 97 #define TL_HR_WRITE_BYTE(sc, reg, data) \ 98 bus_space_write_1(sc->tl_bustag, sc->tl_bushandle, (reg), (data)) 99 #define ETHER_MIN_TX (ETHERMIN + sizeof(struct ether_header)) 100