1 /* $NetBSD: dm9000var.h,v 1.7 2020/05/29 09:05:19 rin 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/callout.h> 67 #include <sys/rndsource.h> 68 69 #include <dev/mii/mii.h> 70 #include <dev/mii/miivar.h> 71 72 #define DM9000_MODE_8BIT 2 73 #define DM9000_MODE_16BIT 0 74 #define DM9000_MODE_32BIT 1 75 76 struct dme_softc { 77 device_t sc_dev; /* Generic Base Device */ 78 struct ethercom sc_ethercom; /* Ethernet common data */ 79 struct mii_data sc_mii; /* MII/media information */ 80 bus_space_tag_t sc_iot; 81 bus_space_handle_t sc_ioh; 82 void *sc_ih; 83 84 uint dme_io; 85 uint dme_data; 86 87 uint16_t sc_vendor_id; 88 uint16_t sc_product_id; 89 90 uint8_t sc_data_width; 91 92 uint8_t sc_enaddr[ETHER_ADDR_LEN]; 93 94 int txbusy; /* A packet is being transmitted. */ 95 int txready; /* A packet has been sent to the DM9000 96 for transmission. */ 97 uint16_t txready_length; 98 99 int (*sc_pkt_write)(struct dme_softc *, struct mbuf *); 100 int (*sc_pkt_read)(struct dme_softc *, struct mbuf **); 101 102 callout_t sc_link_callout; 103 104 bool sc_phy_initialized; 105 106 #ifdef DIAGNOSTIC 107 bool sc_inside_interrupt; 108 #endif 109 krndsource_t rnd_source; 110 }; 111 112 /* Function declarations */ 113 int dme_attach(struct dme_softc *, const uint8_t *); 114 int dme_detach(struct dme_softc *); 115 int dme_intr(void *); 116 117 /* Inline memory access methods */ 118 static __inline uint8_t 119 dme_read(struct dme_softc *sc, int reg) 120 { 121 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg); 122 return (bus_space_read_1(sc->sc_iot, sc->sc_ioh, sc->dme_data)); 123 } 124 125 static __inline void 126 dme_write(struct dme_softc *sc, int reg, uint8_t value) 127 { 128 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg); 129 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_data, value); 130 } 131 132 static __inline void 133 dme_write2(struct dme_softc *sc, int reg, uint16_t value) 134 { 135 bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg); 136 bus_space_write_2(sc->sc_iot, sc->sc_ioh, sc->dme_data, value); 137 } 138 139 static __inline void 140 dme_write_c(struct dme_softc *sc, int reg, const uint8_t value[], uint count) 141 { 142 for(int i=0; i<count; i++) { 143 dme_write(sc, reg+i, value[i]); 144 } 145 } 146 147 static __inline void 148 dme_read_c(struct dme_softc *sc, int reg, uint8_t *value, uint count) 149 { 150 for(int i=0; i<count; i++) { 151 value[i] = dme_read(sc, reg+i); 152 } 153 } 154 155 #endif /* _DEV_IC_DM9000VAR_H_ */ 156
Indexes created Tue Sep 23 14:10:03 GMT 2025