cs89x0var.h revision 1.2
1 /* $NetBSD: cs89x0var.h,v 1.2 2002/05/14 19:23:45 augustss Exp $ */ 2 3 /* 4 * Copyright 1997 5 * Digital Equipment Corporation. All rights reserved. 6 * 7 * This software is furnished under license and may be used and 8 * copied only in accordance with the following terms and conditions. 9 * Subject to these conditions, you may download, copy, install, 10 * use, modify and distribute this software in source and/or binary 11 * form. No title or ownership is transferred hereby. 12 * 13 * 1) Any source code used, modified or distributed must reproduce 14 * and retain this copyright notice and list of conditions as 15 * they appear in the source file. 16 * 17 * 2) No right is granted to use any trade name, trademark, or logo of 18 * Digital Equipment Corporation. Neither the "Digital Equipment 19 * Corporation" name nor any trademark or logo of Digital Equipment 20 * Corporation may be used to endorse or promote products derived 21 * from this software without the prior written permission of 22 * Digital Equipment Corporation. 23 * 24 * 3) This software is provided "AS-IS" and any express or implied 25 * warranties, including but not limited to, any implied warranties 26 * of merchantability, fitness for a particular purpose, or 27 * non-infringement are disclaimed. In no event shall DIGITAL be 28 * liable for any damages whatsoever, and in particular, DIGITAL 29 * shall not be liable for special, indirect, consequential, or 30 * incidental damages or damages for lost profits, loss of 31 * revenue or loss of use, whether such damages arise in contract, 32 * negligence, tort, under statute, in equity, at law or otherwise, 33 * even if advised of the possibility of such damage. 34 */ 35 36 /* 37 **++ 38 ** FACILITY Crystal CS8900 Ethernet driver header file 39 ** 40 ** ABSTRACT 41 ** 42 ** This module provides CS8900 driver softc and related definitions 43 ** 44 ** AUTHORS 45 ** 46 ** Peter Dettori SEA - Software Engineering. 47 ** 48 ** CREATION DATE: 49 ** 50 ** 13-Feb-1997. 51 ** 52 ** MODIFICATION HISTORY: 53 ** 54 **-- 55 */ 56 57 #ifndef _DEV_IC_CS89X0VAR_H_ 58 #define _DEV_IC_CS89X0VAR_H_ 59 60 /* 61 * Ethernet software status per interface. 62 * 63 * Each interface is referenced by a network interface structure, 64 * arpcom.ac_if, which the routing code uses to locate the interface. 65 * This structure contains the output queue for the interface, 66 * its address, ... 67 */ 68 struct cs_softc { 69 struct device sc_dev; /* base device glue */ 70 struct ethercom sc_ethercom; /* Ethernet common */ 71 struct ifmedia sc_media; /* media control structures */ 72 73 void *sc_ih; /* interupt handler */ 74 void *sc_sh; /* shutdown hook */ 75 76 bus_space_tag_t sc_iot; /* bus space tag for IO */ 77 bus_space_tag_t sc_memt; /* bus space tag for memory mode */ 78 bus_space_handle_t sc_ioh; /* bus space handles */ 79 bus_space_handle_t sc_memh; 80 81 #if 0 82 isa_chipset_tag_t sc_ic; /* ISA chipset */ 83 #endif 84 85 int sc_irq; /* IRQ line */ 86 87 int sc_prodid; /* saved product ID */ 88 int sc_prodrev; /* saved product rev */ 89 90 bus_addr_t sc_pktpgaddr; /* PacketPage bus memory address */ 91 92 int sc_cfgflags; /* software configuration flags */ 93 94 int sc_memorymode; /* are we in memory mode? */ 95 int sc_txbusy; /* transmit in progress */ 96 int sc_resetting; /* reset in progress */ 97 98 int sc_xe_ent; /* current early-xmit table entry */ 99 int sc_xe_togo; /* # of packets to go at this ent */ 100 101 int sc_carrier; /* has carrier */ 102 103 u_int8_t sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */ 104 105 #if NRND > 0 106 rndsource_element_t rnd_source; /* random source */ 107 #endif 108 109 /* power management */ 110 int (*sc_enable)(struct cs_softc *); 111 void (*sc_disable)(struct cs_softc *); 112 void *sc_powerhook; 113 114 /* dma hooks */ 115 void (*sc_dma_process_rx)(struct cs_softc *); 116 void (*sc_dma_chipinit)(struct cs_softc *); 117 void (*sc_dma_attach)(struct cs_softc *); 118 }; 119 120 121 /* Config Flags in cs_softc */ 122 123 #define CFGFLG_MEM_MODE 0x0001 124 #define CFGFLG_USE_SA 0x0002 125 #define CFGFLG_IOCHRDY 0x0004 126 #define CFGFLG_DCDC_POL 0x0008 127 #define CFGFLG_DMA_MODE 0x0020 128 #define CFGFLG_ATTACHED 0x0040 /* XXX should not be here? */ 129 #define CFGFLG_CARDBUS_HACK 0x0080 130 #define CFGFLG_ENABLED 0x0100 /* XXX should not be here? */ 131 #define CFGFLG_NOT_EEPROM 0x8000 132 133 134 /* 135 * Inlines for reading/writing the packet page area. 136 */ 137 138 static __inline__ u_int16_t _cs_read_port(struct cs_softc *, int); 139 140 static __inline__ u_int16_t 141 _cs_read_port(struct cs_softc *sc, int off) 142 { 143 u_int16_t result; 144 145 if (sc->sc_cfgflags & CFGFLG_CARDBUS_HACK) { 146 /* 147 * hack for EtherJet PCMCIA and cardbus (obtained from freebsd) 148 * 149 * EtherJet PCMCIA don't work with cardbus bridges 150 * (at least TI1250) without this hack. 151 */ 152 result = (bus_space_read_1(sc->sc_iot, sc->sc_ioh, off) & 0xff); 153 result |= ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, off+1) & 0xff) << 8); 154 } 155 else { 156 result = bus_space_read_2(sc->sc_iot, sc->sc_ioh, off); 157 } 158 159 return result; 160 } 161 162 static __inline__ u_int16_t _CS_READ_PACKET_PAGE_IO(struct cs_softc *, int); 163 164 static __inline__ u_int16_t 165 _CS_READ_PACKET_PAGE_IO(struct cs_softc *sc, int offset) 166 { 167 168 bus_space_write_2(sc->sc_iot, sc->sc_ioh, PORT_PKTPG_PTR, offset); 169 return (_cs_read_port(sc, PORT_PKTPG_DATA)); 170 } 171 172 static __inline__ u_int16_t CS_READ_PACKET_PAGE_IO(bus_space_tag_t, 173 bus_space_handle_t, int); 174 175 static __inline__ u_int16_t 176 CS_READ_PACKET_PAGE_IO(bus_space_tag_t iot, bus_space_handle_t ioh, int offset) 177 { 178 179 bus_space_write_2(iot, ioh, PORT_PKTPG_PTR, offset); 180 return (bus_space_read_2(iot, ioh, PORT_PKTPG_DATA)); 181 } 182 183 #define CS_READ_PACKET_PAGE_MEM(memt, memh, offset) \ 184 bus_space_read_2((memt), (memh), (offset)) 185 186 #define CS_READ_PACKET_PAGE(sc, offset) \ 187 ((sc)->sc_memorymode ? CS_READ_PACKET_PAGE_MEM((sc)->sc_memt, \ 188 (sc)->sc_memh, (offset)) : \ 189 _CS_READ_PACKET_PAGE_IO((sc), (offset))) 190 191 #define CS_WRITE_PACKET_PAGE_IO(iot, ioh, offset, val) \ 192 do { \ 193 bus_space_write_2((iot), (ioh), PORT_PKTPG_PTR, (offset)); \ 194 bus_space_write_2((iot), (ioh), PORT_PKTPG_DATA, (val)); \ 195 } while (0) 196 197 #define CS_WRITE_PACKET_PAGE_MEM(memt, memh, offset, val) \ 198 bus_space_write_2((memt), (memh), (offset), (val)) 199 200 #define CS_WRITE_PACKET_PAGE(sc, offset, val) \ 201 do { \ 202 if ((sc)->sc_memorymode) \ 203 CS_WRITE_PACKET_PAGE_MEM((sc)->sc_memt, (sc)->sc_memh, \ 204 (offset), (val)); \ 205 else \ 206 CS_WRITE_PACKET_PAGE_IO((sc)->sc_iot, (sc)->sc_ioh, \ 207 (offset), (val)); \ 208 } while (0) 209 210 #define CS_READ_PORT(sc, off)\ 211 bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, (off)) 212 213 #define CS_WRITE_PORT(sc, off, val)\ 214 bus_space_write_2((sc)->sc_iot, (sc)->sc_ioh, (off), (val)) 215 216 217 /* Return Status */ 218 #define CS_ERROR -1 219 #define CS_OK 1 220 221 222 /* Media Type in cs_softc */ 223 224 #define MEDIA_AUI 0x0001 225 #define MEDIA_10BASE2 0x0002 226 #define MEDIA_10BASET 0x0003 227 228 229 /* Miscellaneous definitions */ 230 231 #define MAXLOOP 0x8888 232 233 int cs_attach(struct cs_softc *sc, u_int8_t *enaddr, 234 int *media, int nmedia, int defmedia); 235 int cs_detach(struct cs_softc *sc); 236 int cs_verify_eeprom(bus_space_tag_t, bus_space_handle_t); 237 int cs_read_eeprom(bus_space_tag_t, bus_space_handle_t, int, 238 u_int16_t *); 239 int cs_intr(void *); 240 int cs_activate(struct device *, enum devact); 241 void cs_ether_input(struct cs_softc *, struct mbuf *); 242 void cs_print_rx_errors(struct cs_softc *, u_int16_t); 243 int cs_init(struct ifnet *); 244 245 #define CS_IS_ENABLED(sc) ((sc)->sc_cfgflags & CFGFLG_ENABLED) 246 247 #endif /* _DEV_IC_CS89X0VAR_H_ */ 248
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