we.c revision 1.2.2.2
1 1.2.2.2 nathanw /* $NetBSD: we.c,v 1.2.2.2 2001/04/09 01:56:34 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /*- 4 1.2.2.2 nathanw * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 nathanw * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.2.2.2 nathanw * NASA Ames Research Center. 10 1.2.2.2 nathanw * 11 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 12 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 13 1.2.2.2 nathanw * are met: 14 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 15 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 16 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 18 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 19 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 20 1.2.2.2 nathanw * must display the following acknowledgement: 21 1.2.2.2 nathanw * This product includes software developed by the NetBSD 22 1.2.2.2 nathanw * Foundation, Inc. and its contributors. 23 1.2.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.2.2 nathanw * contributors may be used to endorse or promote products derived 25 1.2.2.2 nathanw * from this software without specific prior written permission. 26 1.2.2.2 nathanw * 27 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 38 1.2.2.2 nathanw */ 39 1.2.2.2 nathanw 40 1.2.2.2 nathanw /* 41 1.2.2.2 nathanw * Device driver for National Semiconductor DS8390/WD83C690 based ethernet 42 1.2.2.2 nathanw * adapters. 43 1.2.2.2 nathanw * 44 1.2.2.2 nathanw * Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved. 45 1.2.2.2 nathanw * 46 1.2.2.2 nathanw * Copyright (C) 1993, David Greenman. This software may be used, modified, 47 1.2.2.2 nathanw * copied, distributed, and sold, in both source and binary form provided that 48 1.2.2.2 nathanw * the above copyright and these terms are retained. Under no circumstances is 49 1.2.2.2 nathanw * the author responsible for the proper functioning of this software, nor does 50 1.2.2.2 nathanw * the author assume any responsibility for damages incurred with its use. 51 1.2.2.2 nathanw */ 52 1.2.2.2 nathanw 53 1.2.2.2 nathanw /* 54 1.2.2.2 nathanw * Device driver for the Western Digital/SMC 8003 and 8013 series, 55 1.2.2.2 nathanw * and the SMC Elite Ultra (8216). 56 1.2.2.2 nathanw */ 57 1.2.2.2 nathanw 58 1.2.2.2 nathanw #include <sys/param.h> 59 1.2.2.2 nathanw #include <sys/systm.h> 60 1.2.2.2 nathanw #include <sys/device.h> 61 1.2.2.2 nathanw #include <sys/socket.h> 62 1.2.2.2 nathanw #include <sys/mbuf.h> 63 1.2.2.2 nathanw #include <sys/syslog.h> 64 1.2.2.2 nathanw 65 1.2.2.2 nathanw #include <net/if.h> 66 1.2.2.2 nathanw #include <net/if_dl.h> 67 1.2.2.2 nathanw #include <net/if_types.h> 68 1.2.2.2 nathanw #include <net/if_media.h> 69 1.2.2.2 nathanw 70 1.2.2.2 nathanw #include <net/if_ether.h> 71 1.2.2.2 nathanw 72 1.2.2.2 nathanw #include <machine/bus.h> 73 1.2.2.2 nathanw #include <machine/bswap.h> 74 1.2.2.2 nathanw #include <machine/intr.h> 75 1.2.2.2 nathanw 76 1.2.2.2 nathanw #include <dev/isa/isareg.h> 77 1.2.2.2 nathanw #include <dev/isa/isavar.h> 78 1.2.2.2 nathanw 79 1.2.2.2 nathanw #include <dev/ic/dp8390reg.h> 80 1.2.2.2 nathanw #include <dev/ic/dp8390var.h> 81 1.2.2.2 nathanw #include <dev/ic/wereg.h> 82 1.2.2.2 nathanw #include <dev/ic/wevar.h> 83 1.2.2.2 nathanw 84 1.2.2.2 nathanw #ifndef __BUS_SPACE_HAS_STREAM_METHODS 85 1.2.2.2 nathanw #define bus_space_read_region_stream_2 bus_space_read_region_2 86 1.2.2.2 nathanw #define bus_space_write_stream_2 bus_space_write_2 87 1.2.2.2 nathanw #define bus_space_write_region_stream_2 bus_space_write_region_2 88 1.2.2.2 nathanw #endif 89 1.2.2.2 nathanw 90 1.2.2.2 nathanw static void we_set_media __P((struct we_softc *, int)); 91 1.2.2.2 nathanw 92 1.2.2.2 nathanw static void we_media_init __P((struct dp8390_softc *)); 93 1.2.2.2 nathanw 94 1.2.2.2 nathanw static int we_mediachange __P((struct dp8390_softc *)); 95 1.2.2.2 nathanw static void we_mediastatus __P((struct dp8390_softc *, struct ifmediareq *)); 96 1.2.2.2 nathanw 97 1.2.2.2 nathanw static void we_recv_int __P((struct dp8390_softc *)); 98 1.2.2.2 nathanw static void we_init_card __P((struct dp8390_softc *)); 99 1.2.2.2 nathanw static int we_write_mbuf __P((struct dp8390_softc *, struct mbuf *, int)); 100 1.2.2.2 nathanw static int we_ring_copy __P((struct dp8390_softc *, int, caddr_t, u_short)); 101 1.2.2.2 nathanw static void we_read_hdr __P((struct dp8390_softc *, int, struct dp8390_ring *)); 102 1.2.2.2 nathanw static int we_test_mem __P((struct dp8390_softc *)); 103 1.2.2.2 nathanw 104 1.2.2.2 nathanw static __inline void we_readmem __P((struct we_softc *, int, u_int8_t *, int)); 105 1.2.2.2 nathanw 106 1.2.2.2 nathanw /* 107 1.2.2.2 nathanw * Delay needed when switching 16-bit access to shared memory. 108 1.2.2.2 nathanw */ 109 1.2.2.2 nathanw #define WE_DELAY(wsc) delay(3) 110 1.2.2.2 nathanw 111 1.2.2.2 nathanw /* 112 1.2.2.2 nathanw * Enable card RAM, and 16-bit access. 113 1.2.2.2 nathanw */ 114 1.2.2.2 nathanw #define WE_MEM_ENABLE(wsc) \ 115 1.2.2.2 nathanw do { \ 116 1.2.2.2 nathanw if ((wsc)->sc_16bitp) \ 117 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 118 1.2.2.2 nathanw WE_LAAR, (wsc)->sc_laar_proto | WE_LAAR_M16EN); \ 119 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 120 1.2.2.2 nathanw WE_MSR, wsc->sc_msr_proto | WE_MSR_MENB); \ 121 1.2.2.2 nathanw WE_DELAY((wsc)); \ 122 1.2.2.2 nathanw } while (0) 123 1.2.2.2 nathanw 124 1.2.2.2 nathanw /* 125 1.2.2.2 nathanw * Disable card RAM, and 16-bit access. 126 1.2.2.2 nathanw */ 127 1.2.2.2 nathanw #define WE_MEM_DISABLE(wsc) \ 128 1.2.2.2 nathanw do { \ 129 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 130 1.2.2.2 nathanw WE_MSR, (wsc)->sc_msr_proto); \ 131 1.2.2.2 nathanw if ((wsc)->sc_16bitp) \ 132 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 133 1.2.2.2 nathanw WE_LAAR, (wsc)->sc_laar_proto); \ 134 1.2.2.2 nathanw WE_DELAY((wsc)); \ 135 1.2.2.2 nathanw } while (0) 136 1.2.2.2 nathanw 137 1.2.2.2 nathanw int 138 1.2.2.2 nathanw we_config(self, wsc, typestr) 139 1.2.2.2 nathanw struct device *self; 140 1.2.2.2 nathanw struct we_softc *wsc; 141 1.2.2.2 nathanw const char *typestr; 142 1.2.2.2 nathanw { 143 1.2.2.2 nathanw struct dp8390_softc *sc = &wsc->sc_dp8390; 144 1.2.2.2 nathanw u_int8_t x; 145 1.2.2.2 nathanw int i, forced_16bit = 0; 146 1.2.2.2 nathanw 147 1.2.2.2 nathanw /* 148 1.2.2.2 nathanw * Allow user to override 16-bit mode. 8-bit takes precedence. 149 1.2.2.2 nathanw */ 150 1.2.2.2 nathanw if (self->dv_cfdata->cf_flags & WE_FLAGS_FORCE_16BIT_MODE) { 151 1.2.2.2 nathanw wsc->sc_16bitp = 1; 152 1.2.2.2 nathanw forced_16bit = 1; 153 1.2.2.2 nathanw } 154 1.2.2.2 nathanw if (self->dv_cfdata->cf_flags & WE_FLAGS_FORCE_8BIT_MODE) 155 1.2.2.2 nathanw wsc->sc_16bitp = 0; 156 1.2.2.2 nathanw 157 1.2.2.2 nathanw /* Registers are linear. */ 158 1.2.2.2 nathanw for (i = 0; i < 16; i++) 159 1.2.2.2 nathanw sc->sc_reg_map[i] = i; 160 1.2.2.2 nathanw 161 1.2.2.2 nathanw /* Now we can use the NIC_{GET,PUT}() macros. */ 162 1.2.2.2 nathanw 163 1.2.2.2 nathanw printf("%s: %s Ethernet (%s-bit)\n", sc->sc_dev.dv_xname, 164 1.2.2.2 nathanw typestr, wsc->sc_16bitp ? "16" : "8"); 165 1.2.2.2 nathanw 166 1.2.2.2 nathanw /* Get station address from EEPROM. */ 167 1.2.2.2 nathanw for (i = 0; i < ETHER_ADDR_LEN; i++) 168 1.2.2.2 nathanw sc->sc_enaddr[i] = bus_space_read_1(wsc->sc_asict, 169 1.2.2.2 nathanw wsc->sc_asich, WE_PROM + i); 170 1.2.2.2 nathanw 171 1.2.2.2 nathanw /* 172 1.2.2.2 nathanw * Set upper address bits and 8/16 bit access to shared memory. 173 1.2.2.2 nathanw */ 174 1.2.2.2 nathanw if (sc->is790) { 175 1.2.2.2 nathanw wsc->sc_laar_proto = 176 1.2.2.2 nathanw bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR) & 177 1.2.2.2 nathanw ~WE_LAAR_M16EN; 178 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 179 1.2.2.2 nathanw wsc->sc_laar_proto | (wsc->sc_16bitp ? WE_LAAR_M16EN : 0)); 180 1.2.2.2 nathanw } else if ((wsc->sc_type & WE_SOFTCONFIG) || 181 1.2.2.2 nathanw #ifdef TOSH_ETHER 182 1.2.2.2 nathanw (wsc->sc_type == WE_TYPE_TOSHIBA1) || 183 1.2.2.2 nathanw (wsc->sc_type == WE_TYPE_TOSHIBA4) || 184 1.2.2.2 nathanw #endif 185 1.2.2.2 nathanw (forced_16bit) || 186 1.2.2.2 nathanw (wsc->sc_type == WE_TYPE_WD8013EBT)) { 187 1.2.2.2 nathanw wsc->sc_laar_proto = (wsc->sc_maddr >> 19) & WE_LAAR_ADDRHI; 188 1.2.2.2 nathanw if (wsc->sc_16bitp) 189 1.2.2.2 nathanw wsc->sc_laar_proto |= WE_LAAR_L16EN; 190 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 191 1.2.2.2 nathanw wsc->sc_laar_proto | (wsc->sc_16bitp ? WE_LAAR_M16EN : 0)); 192 1.2.2.2 nathanw } 193 1.2.2.2 nathanw 194 1.2.2.2 nathanw /* 195 1.2.2.2 nathanw * Set address and enable interface shared memory. 196 1.2.2.2 nathanw */ 197 1.2.2.2 nathanw if (sc->is790) { 198 1.2.2.2 nathanw /* XXX MAGIC CONSTANTS XXX */ 199 1.2.2.2 nathanw x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, 0x04); 200 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 0x04, x | 0x80); 201 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 0x0b, 202 1.2.2.2 nathanw ((wsc->sc_maddr >> 13) & 0x0f) | 203 1.2.2.2 nathanw ((wsc->sc_maddr >> 11) & 0x40) | 204 1.2.2.2 nathanw (bus_space_read_1(wsc->sc_asict, wsc->sc_asich, 0x0b) & 0xb0)); 205 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 0x04, x); 206 1.2.2.2 nathanw wsc->sc_msr_proto = 0x00; 207 1.2.2.2 nathanw sc->cr_proto = 0x00; 208 1.2.2.2 nathanw } else { 209 1.2.2.2 nathanw #ifdef TOSH_ETHER 210 1.2.2.2 nathanw if (wsc->sc_type == WE_TYPE_TOSHIBA1 || 211 1.2.2.2 nathanw wsc->sc_type == WE_TYPE_TOSHIBA4) { 212 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 213 1.2.2.2 nathanw WE_MSR + 1, 214 1.2.2.2 nathanw ((wsc->sc_maddr >> 8) & 0xe0) | 0x04); 215 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 216 1.2.2.2 nathanw WE_MSR + 2, 217 1.2.2.2 nathanw ((wsc->sc_maddr >> 16) & 0x0f)); 218 1.2.2.2 nathanw wsc->sc_msr_proto = WE_MSR_POW; 219 1.2.2.2 nathanw } else 220 1.2.2.2 nathanw #endif 221 1.2.2.2 nathanw wsc->sc_msr_proto = (wsc->sc_maddr >> 13) & 222 1.2.2.2 nathanw WE_MSR_ADDR; 223 1.2.2.2 nathanw 224 1.2.2.2 nathanw sc->cr_proto = ED_CR_RD2; 225 1.2.2.2 nathanw } 226 1.2.2.2 nathanw 227 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_MSR, 228 1.2.2.2 nathanw wsc->sc_msr_proto | WE_MSR_MENB); 229 1.2.2.2 nathanw WE_DELAY(wsc); 230 1.2.2.2 nathanw 231 1.2.2.2 nathanw /* 232 1.2.2.2 nathanw * DCR gets: 233 1.2.2.2 nathanw * 234 1.2.2.2 nathanw * FIFO threshold to 8, No auto-init Remote DMA, 235 1.2.2.2 nathanw * byte order=80x86. 236 1.2.2.2 nathanw * 237 1.2.2.2 nathanw * 16-bit cards also get word-wide DMA transfers. 238 1.2.2.2 nathanw */ 239 1.2.2.2 nathanw sc->dcr_reg = ED_DCR_FT1 | ED_DCR_LS | 240 1.2.2.2 nathanw (wsc->sc_16bitp ? ED_DCR_WTS : 0); 241 1.2.2.2 nathanw 242 1.2.2.2 nathanw sc->test_mem = we_test_mem; 243 1.2.2.2 nathanw sc->ring_copy = we_ring_copy; 244 1.2.2.2 nathanw sc->write_mbuf = we_write_mbuf; 245 1.2.2.2 nathanw sc->read_hdr = we_read_hdr; 246 1.2.2.2 nathanw sc->recv_int = we_recv_int; 247 1.2.2.2 nathanw sc->init_card = we_init_card; 248 1.2.2.2 nathanw 249 1.2.2.2 nathanw sc->sc_mediachange = we_mediachange; 250 1.2.2.2 nathanw sc->sc_mediastatus = we_mediastatus; 251 1.2.2.2 nathanw 252 1.2.2.2 nathanw sc->mem_start = 0; 253 1.2.2.2 nathanw /* sc->mem_size has to be set by frontend */ 254 1.2.2.2 nathanw 255 1.2.2.2 nathanw sc->sc_flags = self->dv_cfdata->cf_flags; 256 1.2.2.2 nathanw 257 1.2.2.2 nathanw /* Do generic parts of attach. */ 258 1.2.2.2 nathanw if (wsc->sc_type & WE_SOFTCONFIG) 259 1.2.2.2 nathanw sc->sc_media_init = we_media_init; 260 1.2.2.2 nathanw else 261 1.2.2.2 nathanw sc->sc_media_init = dp8390_media_init; 262 1.2.2.2 nathanw if (dp8390_config(sc)) { 263 1.2.2.2 nathanw printf("%s: configuration failed\n", sc->sc_dev.dv_xname); 264 1.2.2.2 nathanw return (1); 265 1.2.2.2 nathanw } 266 1.2.2.2 nathanw 267 1.2.2.2 nathanw /* 268 1.2.2.2 nathanw * Disable 16-bit access to shared memory - we leave it disabled 269 1.2.2.2 nathanw * so that: 270 1.2.2.2 nathanw * 271 1.2.2.2 nathanw * (1) machines reboot properly when the board is set to 272 1.2.2.2 nathanw * 16-bit mode and there are conflicting 8-bit devices 273 1.2.2.2 nathanw * within the same 128k address space as this board's 274 1.2.2.2 nathanw * shared memory, and 275 1.2.2.2 nathanw * 276 1.2.2.2 nathanw * (2) so that other 8-bit devices with shared memory 277 1.2.2.2 nathanw * in this same 128k address space will work. 278 1.2.2.2 nathanw */ 279 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 280 1.2.2.2 nathanw 281 1.2.2.2 nathanw return (0); 282 1.2.2.2 nathanw } 283 1.2.2.2 nathanw 284 1.2.2.2 nathanw static int 285 1.2.2.2 nathanw we_test_mem(sc) 286 1.2.2.2 nathanw struct dp8390_softc *sc; 287 1.2.2.2 nathanw { 288 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 289 1.2.2.2 nathanw bus_space_tag_t memt = sc->sc_buft; 290 1.2.2.2 nathanw bus_space_handle_t memh = sc->sc_bufh; 291 1.2.2.2 nathanw bus_size_t memsize = sc->mem_size; 292 1.2.2.2 nathanw int i; 293 1.2.2.2 nathanw 294 1.2.2.2 nathanw if (wsc->sc_16bitp) 295 1.2.2.2 nathanw bus_space_set_region_2(memt, memh, 0, 0, memsize >> 1); 296 1.2.2.2 nathanw else 297 1.2.2.2 nathanw bus_space_set_region_1(memt, memh, 0, 0, memsize); 298 1.2.2.2 nathanw 299 1.2.2.2 nathanw if (wsc->sc_16bitp) { 300 1.2.2.2 nathanw for (i = 0; i < memsize; i += 2) { 301 1.2.2.2 nathanw if (bus_space_read_2(memt, memh, i) != 0) 302 1.2.2.2 nathanw goto fail; 303 1.2.2.2 nathanw } 304 1.2.2.2 nathanw } else { 305 1.2.2.2 nathanw for (i = 0; i < memsize; i++) { 306 1.2.2.2 nathanw if (bus_space_read_1(memt, memh, i) != 0) 307 1.2.2.2 nathanw goto fail; 308 1.2.2.2 nathanw } 309 1.2.2.2 nathanw } 310 1.2.2.2 nathanw 311 1.2.2.2 nathanw return (0); 312 1.2.2.2 nathanw 313 1.2.2.2 nathanw fail: 314 1.2.2.2 nathanw printf("%s: failed to clear shared memory at offset 0x%x\n", 315 1.2.2.2 nathanw sc->sc_dev.dv_xname, i); 316 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 317 1.2.2.2 nathanw return (1); 318 1.2.2.2 nathanw } 319 1.2.2.2 nathanw 320 1.2.2.2 nathanw /* 321 1.2.2.2 nathanw * Given a NIC memory source address and a host memory destination address, 322 1.2.2.2 nathanw * copy 'len' from NIC to host using shared memory. The 'len' is rounded 323 1.2.2.2 nathanw * up to a word - ok as long as mbufs are word-sized. 324 1.2.2.2 nathanw */ 325 1.2.2.2 nathanw static __inline void 326 1.2.2.2 nathanw we_readmem(wsc, from, to, len) 327 1.2.2.2 nathanw struct we_softc *wsc; 328 1.2.2.2 nathanw int from; 329 1.2.2.2 nathanw u_int8_t *to; 330 1.2.2.2 nathanw int len; 331 1.2.2.2 nathanw { 332 1.2.2.2 nathanw bus_space_tag_t memt = wsc->sc_dp8390.sc_buft; 333 1.2.2.2 nathanw bus_space_handle_t memh = wsc->sc_dp8390.sc_bufh; 334 1.2.2.2 nathanw 335 1.2.2.2 nathanw if (len & 1) 336 1.2.2.2 nathanw ++len; 337 1.2.2.2 nathanw 338 1.2.2.2 nathanw if (wsc->sc_16bitp) 339 1.2.2.2 nathanw bus_space_read_region_stream_2(memt, memh, from, 340 1.2.2.2 nathanw (u_int16_t *)to, len >> 1); 341 1.2.2.2 nathanw else 342 1.2.2.2 nathanw bus_space_read_region_1(memt, memh, from, 343 1.2.2.2 nathanw to, len); 344 1.2.2.2 nathanw } 345 1.2.2.2 nathanw 346 1.2.2.2 nathanw static int 347 1.2.2.2 nathanw we_write_mbuf(sc, m, buf) 348 1.2.2.2 nathanw struct dp8390_softc *sc; 349 1.2.2.2 nathanw struct mbuf *m; 350 1.2.2.2 nathanw int buf; 351 1.2.2.2 nathanw { 352 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 353 1.2.2.2 nathanw bus_space_tag_t memt = wsc->sc_dp8390.sc_buft; 354 1.2.2.2 nathanw bus_space_handle_t memh = wsc->sc_dp8390.sc_bufh; 355 1.2.2.2 nathanw u_int8_t *data, savebyte[2]; 356 1.2.2.2 nathanw int savelen, len, leftover; 357 1.2.2.2 nathanw #ifdef DIAGNOSTIC 358 1.2.2.2 nathanw u_int8_t *lim; 359 1.2.2.2 nathanw #endif 360 1.2.2.2 nathanw 361 1.2.2.2 nathanw savelen = m->m_pkthdr.len; 362 1.2.2.2 nathanw 363 1.2.2.2 nathanw WE_MEM_ENABLE(wsc); 364 1.2.2.2 nathanw 365 1.2.2.2 nathanw /* 366 1.2.2.2 nathanw * 8-bit boards are simple; no alignment tricks are necessary. 367 1.2.2.2 nathanw */ 368 1.2.2.2 nathanw if (wsc->sc_16bitp == 0) { 369 1.2.2.2 nathanw for (; m != NULL; buf += m->m_len, m = m->m_next) 370 1.2.2.2 nathanw bus_space_write_region_1(memt, memh, 371 1.2.2.2 nathanw buf, mtod(m, u_int8_t *), m->m_len); 372 1.2.2.2 nathanw goto out; 373 1.2.2.2 nathanw } 374 1.2.2.2 nathanw 375 1.2.2.2 nathanw /* Start out with no leftover data. */ 376 1.2.2.2 nathanw leftover = 0; 377 1.2.2.2 nathanw savebyte[0] = savebyte[1] = 0; 378 1.2.2.2 nathanw 379 1.2.2.2 nathanw for (; m != NULL; m = m->m_next) { 380 1.2.2.2 nathanw len = m->m_len; 381 1.2.2.2 nathanw if (len == 0) 382 1.2.2.2 nathanw continue; 383 1.2.2.2 nathanw data = mtod(m, u_int8_t *); 384 1.2.2.2 nathanw #ifdef DIAGNOSTIC 385 1.2.2.2 nathanw lim = data + len; 386 1.2.2.2 nathanw #endif 387 1.2.2.2 nathanw while (len > 0) { 388 1.2.2.2 nathanw if (leftover) { 389 1.2.2.2 nathanw /* 390 1.2.2.2 nathanw * Data left over (from mbuf or realignment). 391 1.2.2.2 nathanw * Buffer the next byte, and write it and 392 1.2.2.2 nathanw * the leftover data out. 393 1.2.2.2 nathanw */ 394 1.2.2.2 nathanw savebyte[1] = *data++; 395 1.2.2.2 nathanw len--; 396 1.2.2.2 nathanw bus_space_write_stream_2(memt, memh, buf, 397 1.2.2.2 nathanw *(u_int16_t *)savebyte); 398 1.2.2.2 nathanw buf += 2; 399 1.2.2.2 nathanw leftover = 0; 400 1.2.2.2 nathanw } else if (BUS_SPACE_ALIGNED_POINTER(data, u_int16_t) 401 1.2.2.2 nathanw == 0) { 402 1.2.2.2 nathanw /* 403 1.2.2.2 nathanw * Unaligned dta; buffer the next byte. 404 1.2.2.2 nathanw */ 405 1.2.2.2 nathanw savebyte[0] = *data++; 406 1.2.2.2 nathanw len--; 407 1.2.2.2 nathanw leftover = 1; 408 1.2.2.2 nathanw } else { 409 1.2.2.2 nathanw /* 410 1.2.2.2 nathanw * Aligned data; output contiguous words as 411 1.2.2.2 nathanw * much as we can, then buffer the remaining 412 1.2.2.2 nathanw * byte, if any. 413 1.2.2.2 nathanw */ 414 1.2.2.2 nathanw leftover = len & 1; 415 1.2.2.2 nathanw len &= ~1; 416 1.2.2.2 nathanw bus_space_write_region_stream_2(memt, memh, 417 1.2.2.2 nathanw buf, (u_int16_t *)data, len >> 1); 418 1.2.2.2 nathanw data += len; 419 1.2.2.2 nathanw buf += len; 420 1.2.2.2 nathanw if (leftover) 421 1.2.2.2 nathanw savebyte[0] = *data++; 422 1.2.2.2 nathanw len = 0; 423 1.2.2.2 nathanw } 424 1.2.2.2 nathanw } 425 1.2.2.2 nathanw if (len < 0) 426 1.2.2.2 nathanw panic("we_write_mbuf: negative len"); 427 1.2.2.2 nathanw #ifdef DIAGNOSTIC 428 1.2.2.2 nathanw if (data != lim) 429 1.2.2.2 nathanw panic("we_write_mbuf: data != lim"); 430 1.2.2.2 nathanw #endif 431 1.2.2.2 nathanw } 432 1.2.2.2 nathanw if (leftover) { 433 1.2.2.2 nathanw savebyte[1] = 0; 434 1.2.2.2 nathanw bus_space_write_stream_2(memt, memh, buf, 435 1.2.2.2 nathanw *(u_int16_t *)savebyte); 436 1.2.2.2 nathanw } 437 1.2.2.2 nathanw 438 1.2.2.2 nathanw out: 439 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 440 1.2.2.2 nathanw 441 1.2.2.2 nathanw return (savelen); 442 1.2.2.2 nathanw } 443 1.2.2.2 nathanw 444 1.2.2.2 nathanw static int 445 1.2.2.2 nathanw we_ring_copy(sc, src, dst, amount) 446 1.2.2.2 nathanw struct dp8390_softc *sc; 447 1.2.2.2 nathanw int src; 448 1.2.2.2 nathanw caddr_t dst; 449 1.2.2.2 nathanw u_short amount; 450 1.2.2.2 nathanw { 451 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 452 1.2.2.2 nathanw u_short tmp_amount; 453 1.2.2.2 nathanw 454 1.2.2.2 nathanw /* Does copy wrap to lower addr in ring buffer? */ 455 1.2.2.2 nathanw if (src + amount > sc->mem_end) { 456 1.2.2.2 nathanw tmp_amount = sc->mem_end - src; 457 1.2.2.2 nathanw 458 1.2.2.2 nathanw /* Copy amount up to end of NIC memory. */ 459 1.2.2.2 nathanw we_readmem(wsc, src, dst, tmp_amount); 460 1.2.2.2 nathanw 461 1.2.2.2 nathanw amount -= tmp_amount; 462 1.2.2.2 nathanw src = sc->mem_ring; 463 1.2.2.2 nathanw dst += tmp_amount; 464 1.2.2.2 nathanw } 465 1.2.2.2 nathanw 466 1.2.2.2 nathanw we_readmem(wsc, src, dst, amount); 467 1.2.2.2 nathanw 468 1.2.2.2 nathanw return (src + amount); 469 1.2.2.2 nathanw } 470 1.2.2.2 nathanw 471 1.2.2.2 nathanw static void 472 1.2.2.2 nathanw we_read_hdr(sc, packet_ptr, packet_hdrp) 473 1.2.2.2 nathanw struct dp8390_softc *sc; 474 1.2.2.2 nathanw int packet_ptr; 475 1.2.2.2 nathanw struct dp8390_ring *packet_hdrp; 476 1.2.2.2 nathanw { 477 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 478 1.2.2.2 nathanw 479 1.2.2.2 nathanw we_readmem(wsc, packet_ptr, (u_int8_t *)packet_hdrp, 480 1.2.2.2 nathanw sizeof(struct dp8390_ring)); 481 1.2.2.2 nathanw #if BYTE_ORDER == BIG_ENDIAN 482 1.2.2.2 nathanw packet_hdrp->count = bswap16(packet_hdrp->count); 483 1.2.2.2 nathanw #endif 484 1.2.2.2 nathanw } 485 1.2.2.2 nathanw 486 1.2.2.2 nathanw static void 487 1.2.2.2 nathanw we_recv_int(sc) 488 1.2.2.2 nathanw struct dp8390_softc *sc; 489 1.2.2.2 nathanw { 490 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 491 1.2.2.2 nathanw 492 1.2.2.2 nathanw WE_MEM_ENABLE(wsc); 493 1.2.2.2 nathanw dp8390_rint(sc); 494 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 495 1.2.2.2 nathanw } 496 1.2.2.2 nathanw 497 1.2.2.2 nathanw static void 498 1.2.2.2 nathanw we_media_init(struct dp8390_softc *sc) 499 1.2.2.2 nathanw { 500 1.2.2.2 nathanw struct we_softc *wsc = (void *) sc; 501 1.2.2.2 nathanw int defmedia = IFM_ETHER; 502 1.2.2.2 nathanw u_int8_t x; 503 1.2.2.2 nathanw 504 1.2.2.2 nathanw if (sc->is790) { 505 1.2.2.2 nathanw x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR); 506 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR, 507 1.2.2.2 nathanw x | WE790_HWR_SWH); 508 1.2.2.2 nathanw if (bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE790_GCR) & 509 1.2.2.2 nathanw WE790_GCR_GPOUT) 510 1.2.2.2 nathanw defmedia |= IFM_10_2; 511 1.2.2.2 nathanw else 512 1.2.2.2 nathanw defmedia |= IFM_10_5; 513 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR, 514 1.2.2.2 nathanw x & ~WE790_HWR_SWH); 515 1.2.2.2 nathanw } else { 516 1.2.2.2 nathanw x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_IRR); 517 1.2.2.2 nathanw if (x & WE_IRR_OUT2) 518 1.2.2.2 nathanw defmedia |= IFM_10_2; 519 1.2.2.2 nathanw else 520 1.2.2.2 nathanw defmedia |= IFM_10_5; 521 1.2.2.2 nathanw } 522 1.2.2.2 nathanw 523 1.2.2.2 nathanw ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 524 1.2.2.2 nathanw ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_10_2, 0, NULL); 525 1.2.2.2 nathanw ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_10_5, 0, NULL); 526 1.2.2.2 nathanw ifmedia_set(&sc->sc_media, defmedia); 527 1.2.2.2 nathanw } 528 1.2.2.2 nathanw 529 1.2.2.2 nathanw static int 530 1.2.2.2 nathanw we_mediachange(sc) 531 1.2.2.2 nathanw struct dp8390_softc *sc; 532 1.2.2.2 nathanw { 533 1.2.2.2 nathanw 534 1.2.2.2 nathanw /* 535 1.2.2.2 nathanw * Current media is already set up. Just reset the interface 536 1.2.2.2 nathanw * to let the new value take hold. The new media will be 537 1.2.2.2 nathanw * set up in we_init_card() called via dp8390_init(). 538 1.2.2.2 nathanw */ 539 1.2.2.2 nathanw dp8390_reset(sc); 540 1.2.2.2 nathanw return (0); 541 1.2.2.2 nathanw } 542 1.2.2.2 nathanw 543 1.2.2.2 nathanw static void 544 1.2.2.2 nathanw we_mediastatus(sc, ifmr) 545 1.2.2.2 nathanw struct dp8390_softc *sc; 546 1.2.2.2 nathanw struct ifmediareq *ifmr; 547 1.2.2.2 nathanw { 548 1.2.2.2 nathanw struct ifmedia *ifm = &sc->sc_media; 549 1.2.2.2 nathanw 550 1.2.2.2 nathanw /* 551 1.2.2.2 nathanw * The currently selected media is always the active media. 552 1.2.2.2 nathanw */ 553 1.2.2.2 nathanw ifmr->ifm_active = ifm->ifm_cur->ifm_media; 554 1.2.2.2 nathanw } 555 1.2.2.2 nathanw 556 1.2.2.2 nathanw static void 557 1.2.2.2 nathanw we_init_card(sc) 558 1.2.2.2 nathanw struct dp8390_softc *sc; 559 1.2.2.2 nathanw { 560 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 561 1.2.2.2 nathanw struct ifmedia *ifm = &sc->sc_media; 562 1.2.2.2 nathanw 563 1.2.2.2 nathanw if (wsc->sc_init_hook) 564 1.2.2.2 nathanw (*wsc->sc_init_hook)(wsc); 565 1.2.2.2 nathanw 566 1.2.2.2 nathanw we_set_media(wsc, ifm->ifm_cur->ifm_media); 567 1.2.2.2 nathanw } 568 1.2.2.2 nathanw 569 1.2.2.2 nathanw static void 570 1.2.2.2 nathanw we_set_media(wsc, media) 571 1.2.2.2 nathanw struct we_softc *wsc; 572 1.2.2.2 nathanw int media; 573 1.2.2.2 nathanw { 574 1.2.2.2 nathanw struct dp8390_softc *sc = &wsc->sc_dp8390; 575 1.2.2.2 nathanw bus_space_tag_t asict = wsc->sc_asict; 576 1.2.2.2 nathanw bus_space_handle_t asich = wsc->sc_asich; 577 1.2.2.2 nathanw u_int8_t hwr, gcr, irr; 578 1.2.2.2 nathanw 579 1.2.2.2 nathanw if (sc->is790) { 580 1.2.2.2 nathanw hwr = bus_space_read_1(asict, asich, WE790_HWR); 581 1.2.2.2 nathanw bus_space_write_1(asict, asich, WE790_HWR, 582 1.2.2.2 nathanw hwr | WE790_HWR_SWH); 583 1.2.2.2 nathanw gcr = bus_space_read_1(asict, asich, WE790_GCR); 584 1.2.2.2 nathanw if (IFM_SUBTYPE(media) == IFM_10_2) 585 1.2.2.2 nathanw gcr |= WE790_GCR_GPOUT; 586 1.2.2.2 nathanw else 587 1.2.2.2 nathanw gcr &= ~WE790_GCR_GPOUT; 588 1.2.2.2 nathanw bus_space_write_1(asict, asich, WE790_GCR, 589 1.2.2.2 nathanw gcr | WE790_GCR_LIT); 590 1.2.2.2 nathanw bus_space_write_1(asict, asich, WE790_HWR, 591 1.2.2.2 nathanw hwr & ~WE790_HWR_SWH); 592 1.2.2.2 nathanw return; 593 1.2.2.2 nathanw } 594 1.2.2.2 nathanw 595 1.2.2.2 nathanw irr = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_IRR); 596 1.2.2.2 nathanw if (IFM_SUBTYPE(media) == IFM_10_2) 597 1.2.2.2 nathanw irr |= WE_IRR_OUT2; 598 1.2.2.2 nathanw else 599 1.2.2.2 nathanw irr &= ~WE_IRR_OUT2; 600 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_IRR, irr); 601 1.2.2.2 nathanw } 602
Indexes created Wed Oct 15 16:09:53 GMT 2025