1 /* $NetBSD: if_tlvar.h,v 1.14 2009/10/19 18:41:15 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 /* 28 * Texas Instruments ThunderLAN ethernet controller 29 * ThunderLAN Programmer's Guide (TI Literature Number SPWU013A) 30 * available from www.ti.com 31 */ 32 33 #include "rnd.h" 34 35 #if NRND > 0 36 #include <sys/rnd.h> 37 #endif 38 39 #include <dev/i2c/i2cvar.h> 40 41 struct tl_product_desc { 42 u_int32_t tp_product; 43 int tp_tlphymedia; 44 const char *tp_desc; 45 }; 46 47 struct tl_softc { 48 device_t sc_dev; /* base device */ 49 bus_space_tag_t tl_bustag; 50 bus_space_handle_t tl_bushandle; /* CSR region handle */ 51 bus_dma_tag_t tl_dmatag; 52 const struct tl_product_desc *tl_product; 53 void* tl_ih; 54 struct ethercom tl_ec; 55 struct callout tl_tick_ch; /* tick callout */ 56 struct callout tl_restart_ch; /* restart callout */ 57 u_int8_t tl_enaddr[ETHER_ADDR_LEN]; /* hardware address */ 58 struct i2c_controller sc_i2c; /* i2c controller info, for eeprom */ 59 mii_data_t tl_mii; /* mii bus */ 60 bus_dma_segment_t ctrl_segs; /* bus-dma memory for control blocks */ 61 int ctrl_nsegs; 62 char *ctrl; /* vaddr for ctrl_segs */ 63 struct Rx_list *Rx_list; /* Receive and transmit lists */ 64 struct tl_Rx_list *hw_Rx_list; /* and assocoated hw descriptor */ 65 bus_dmamap_t Rx_dmamap; /* and associated DMA maps */ 66 struct Tx_list *Tx_list; 67 struct tl_Tx_list *hw_Tx_list; 68 bus_dmamap_t Tx_dmamap; 69 struct Rx_list *active_Rx, *last_Rx; 70 struct Tx_list *active_Tx, *last_Tx; 71 struct Tx_list *Free_Tx; 72 bus_dmamap_t null_dmamap; /* for small packets padding */ 73 #ifdef TL_PRIV_STATS 74 int ierr_overr; 75 int ierr_code; 76 int ierr_crc; 77 int ierr_nomem; 78 int oerr_underr; 79 int oerr_deferred; 80 int oerr_coll; 81 int oerr_multicoll; 82 int oerr_latecoll; 83 int oerr_exesscoll; 84 int oerr_carrloss; 85 int oerr_mcopy; 86 #endif 87 #if NRND > 0 88 rndsource_element_t rnd_source; 89 #endif 90 }; 91 #define tl_if tl_ec.ec_if 92 #define tl_bpf tl_if.if_bpf 93 94 typedef struct tl_softc tl_softc_t; 95 typedef u_long ioctl_cmd_t; 96 97 #define TL_HR_READ(sc, reg) \ 98 bus_space_read_4(sc->tl_bustag, sc->tl_bushandle, (reg)) 99 #define TL_HR_READ_BYTE(sc, reg) \ 100 bus_space_read_1(sc->tl_bustag, sc->tl_bushandle, (reg)) 101 #define TL_HR_WRITE(sc, reg, data) \ 102 bus_space_write_4(sc->tl_bustag, sc->tl_bushandle, (reg), (data)) 103 #define TL_HR_WRITE_BYTE(sc, reg, data) \ 104 bus_space_write_1(sc->tl_bustag, sc->tl_bushandle, (reg), (data)) 105 #define ETHER_MIN_TX (ETHERMIN + sizeof(struct ether_header)) 106