1 /* $NetBSD: dm9000var.h,v 1.1 2010/09/08 22:01:29 ahoka Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Paul Fleischer 5 * All rights reserved. 6 * 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. The name of the company nor the name of the author may be used to 13 * endorse or promote products derived from this software without specific 14 * prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* Based on sys/dev/ic/cs89x0var.h */ 30 /* 31 * Copyright 1997 32 * Digital Equipment Corporation. All rights reserved. 33 * 34 * This software is furnished under license and may be used and 35 * copied only in accordance with the following terms and conditions. 36 * Subject to these conditions, you may download, copy, install, 37 * use, modify and distribute this software in source and/or binary 38 * form. No title or ownership is transferred hereby. 39 * 40 * 1) Any source code used, modified or distributed must reproduce 41 * and retain this copyright notice and list of conditions as 42 * they appear in the source file. 43 * 44 * 2) No right is granted to use any trade name, trademark, or logo of 45 * Digital Equipment Corporation. Neither the "Digital Equipment 46 * Corporation" name nor any trademark or logo of Digital Equipment 47 * Corporation may be used to endorse or promote products derived 48 * from this software without the prior written permission of 49 * Digital Equipment Corporation. 50 * 51 * 3) This software is provided "AS-IS" and any express or implied 52 * warranties, including but not limited to, any implied warranties 53 * of merchantability, fitness for a particular purpose, or 54 * non-infringement are disclaimed. In no event shall DIGITAL be 55 * liable for any damages whatsoever, and in particular, DIGITAL 56 * shall not be liable for special, indirect, consequential, or 57 * incidental damages or damages for lost profits, loss of 58 * revenue or loss of use, whether such damages arise in contract, 59 * negligence, tort, under statute, in equity, at law or otherwise, 60 * even if advised of the possibility of such damage. 61 */ 62 63 #ifndef _DEV_IC_DM9000VAR_H_ 64 #define _DEV_IC_DM9000VAR_H_ 65 66 #include <sys/mutex.h> 67 68 #define DM9000_MODE_8BIT 2 69 #define DM9000_MODE_16BIT 0 70 #define DM9000_MODE_32BIT 1 71 72 struct dme_softc { 73 device_t sc_dev; /* Generic Base Device */ 74 75 struct ethercom sc_ethercom; /* Ethernet common data */ 76 struct ifmedia sc_media; /* Media control structures */ 77 78 bus_space_tag_t sc_iot; 79 bus_space_handle_t sc_ioh; 80 void *sc_ih; 81 82 uint dme_io; 83 uint dme_data; 84 85 uint16_t sc_vendor_id; 86 uint16_t sc_product_id; 87 88 uint16_t io_mode; 89 90 uint8_t sc_enaddr[ETHER_ADDR_LEN]; 91 92 int txbusy; /* A packet is being transmitted. */ 93 int txready; /* A packet has been sent to the DM9000 94 for transmission. */ 95 uint16_t txready_length; 96 97 #ifdef DIAGNOSTIC 98 bool sc_inside_interrupt; 99 #endif 100 }; 101 102 /* Function declarations */ 103 int dme_attach(struct dme_softc *, uint8_t *); 104 int dme_detach(struct dme_softc *); 105 int dme_intr(void *); 106 107 /* Inline memory access methods */ 108 static inline uint8_t 109 dme_read(struct dme_softc *sc, int reg) 110 { 111 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg); 112 return (bus_space_read_1(sc->sc_iot, sc->sc_ioh, sc->dme_data)); 113 } 114 115 static inline void 116 dme_write(struct dme_softc *sc, int reg, uint8_t value) 117 { 118 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg); 119 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_data, value); 120 } 121 122 static inline void 123 dme_write2(struct dme_softc *sc, int reg, uint16_t value) 124 { 125 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg); 126 bus_space_write_2(sc->sc_iot, sc->sc_ioh, sc->dme_data, value); 127 } 128 129 static inline void 130 dme_write_c(struct dme_softc *sc, int reg, uint8_t value[], uint count) 131 { 132 for(int i=0; i<count; i++) { 133 dme_write(sc, reg+i, value[i]); 134 } 135 } 136 137 static inline void 138 dme_read_c(struct dme_softc *sc, int reg, uint8_t *value, uint count) 139 { 140 for(int i=0; i<count; i++) { 141 value[i] = dme_read(sc, reg+i); 142 } 143 } 144 145 #endif /* _DEV_IC_DM9000VAR_H_ */ 146 147