we.c revision 1.2.2.5
1 1.2.2.5 thorpej /* $NetBSD: we.c,v 1.2.2.5 2003/01/17 16:31:30 thorpej 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 1.2.2.4 nathanw #include <sys/cdefs.h> 59 1.2.2.5 thorpej __KERNEL_RCSID(0, "$NetBSD: we.c,v 1.2.2.5 2003/01/17 16:31:30 thorpej Exp $"); 60 1.2.2.4 nathanw 61 1.2.2.2 nathanw #include <sys/param.h> 62 1.2.2.2 nathanw #include <sys/systm.h> 63 1.2.2.2 nathanw #include <sys/device.h> 64 1.2.2.2 nathanw #include <sys/socket.h> 65 1.2.2.2 nathanw #include <sys/mbuf.h> 66 1.2.2.2 nathanw #include <sys/syslog.h> 67 1.2.2.2 nathanw 68 1.2.2.2 nathanw #include <net/if.h> 69 1.2.2.2 nathanw #include <net/if_dl.h> 70 1.2.2.2 nathanw #include <net/if_types.h> 71 1.2.2.2 nathanw #include <net/if_media.h> 72 1.2.2.2 nathanw 73 1.2.2.2 nathanw #include <net/if_ether.h> 74 1.2.2.2 nathanw 75 1.2.2.2 nathanw #include <machine/bus.h> 76 1.2.2.2 nathanw #include <machine/bswap.h> 77 1.2.2.2 nathanw #include <machine/intr.h> 78 1.2.2.2 nathanw 79 1.2.2.2 nathanw #include <dev/isa/isareg.h> 80 1.2.2.2 nathanw #include <dev/isa/isavar.h> 81 1.2.2.2 nathanw 82 1.2.2.2 nathanw #include <dev/ic/dp8390reg.h> 83 1.2.2.2 nathanw #include <dev/ic/dp8390var.h> 84 1.2.2.2 nathanw #include <dev/ic/wereg.h> 85 1.2.2.2 nathanw #include <dev/ic/wevar.h> 86 1.2.2.2 nathanw 87 1.2.2.2 nathanw #ifndef __BUS_SPACE_HAS_STREAM_METHODS 88 1.2.2.2 nathanw #define bus_space_read_region_stream_2 bus_space_read_region_2 89 1.2.2.2 nathanw #define bus_space_write_stream_2 bus_space_write_2 90 1.2.2.2 nathanw #define bus_space_write_region_stream_2 bus_space_write_region_2 91 1.2.2.2 nathanw #endif 92 1.2.2.2 nathanw 93 1.2.2.2 nathanw static void we_set_media __P((struct we_softc *, int)); 94 1.2.2.2 nathanw 95 1.2.2.2 nathanw static void we_media_init __P((struct dp8390_softc *)); 96 1.2.2.2 nathanw 97 1.2.2.2 nathanw static int we_mediachange __P((struct dp8390_softc *)); 98 1.2.2.2 nathanw static void we_mediastatus __P((struct dp8390_softc *, struct ifmediareq *)); 99 1.2.2.2 nathanw 100 1.2.2.2 nathanw static void we_recv_int __P((struct dp8390_softc *)); 101 1.2.2.2 nathanw static void we_init_card __P((struct dp8390_softc *)); 102 1.2.2.2 nathanw static int we_write_mbuf __P((struct dp8390_softc *, struct mbuf *, int)); 103 1.2.2.2 nathanw static int we_ring_copy __P((struct dp8390_softc *, int, caddr_t, u_short)); 104 1.2.2.2 nathanw static void we_read_hdr __P((struct dp8390_softc *, int, struct dp8390_ring *)); 105 1.2.2.2 nathanw static int we_test_mem __P((struct dp8390_softc *)); 106 1.2.2.2 nathanw 107 1.2.2.2 nathanw static __inline void we_readmem __P((struct we_softc *, int, u_int8_t *, int)); 108 1.2.2.2 nathanw 109 1.2.2.2 nathanw /* 110 1.2.2.2 nathanw * Delay needed when switching 16-bit access to shared memory. 111 1.2.2.2 nathanw */ 112 1.2.2.2 nathanw #define WE_DELAY(wsc) delay(3) 113 1.2.2.2 nathanw 114 1.2.2.2 nathanw /* 115 1.2.2.2 nathanw * Enable card RAM, and 16-bit access. 116 1.2.2.2 nathanw */ 117 1.2.2.2 nathanw #define WE_MEM_ENABLE(wsc) \ 118 1.2.2.2 nathanw do { \ 119 1.2.2.2 nathanw if ((wsc)->sc_16bitp) \ 120 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 121 1.2.2.2 nathanw WE_LAAR, (wsc)->sc_laar_proto | WE_LAAR_M16EN); \ 122 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 123 1.2.2.2 nathanw WE_MSR, wsc->sc_msr_proto | WE_MSR_MENB); \ 124 1.2.2.2 nathanw WE_DELAY((wsc)); \ 125 1.2.2.2 nathanw } while (0) 126 1.2.2.2 nathanw 127 1.2.2.2 nathanw /* 128 1.2.2.2 nathanw * Disable card RAM, and 16-bit access. 129 1.2.2.2 nathanw */ 130 1.2.2.2 nathanw #define WE_MEM_DISABLE(wsc) \ 131 1.2.2.2 nathanw do { \ 132 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 133 1.2.2.2 nathanw WE_MSR, (wsc)->sc_msr_proto); \ 134 1.2.2.2 nathanw if ((wsc)->sc_16bitp) \ 135 1.2.2.2 nathanw bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 136 1.2.2.2 nathanw WE_LAAR, (wsc)->sc_laar_proto); \ 137 1.2.2.2 nathanw WE_DELAY((wsc)); \ 138 1.2.2.2 nathanw } while (0) 139 1.2.2.2 nathanw 140 1.2.2.2 nathanw int 141 1.2.2.2 nathanw we_config(self, wsc, typestr) 142 1.2.2.2 nathanw struct device *self; 143 1.2.2.2 nathanw struct we_softc *wsc; 144 1.2.2.2 nathanw const char *typestr; 145 1.2.2.2 nathanw { 146 1.2.2.2 nathanw struct dp8390_softc *sc = &wsc->sc_dp8390; 147 1.2.2.2 nathanw u_int8_t x; 148 1.2.2.2 nathanw int i, forced_16bit = 0; 149 1.2.2.2 nathanw 150 1.2.2.2 nathanw /* 151 1.2.2.2 nathanw * Allow user to override 16-bit mode. 8-bit takes precedence. 152 1.2.2.2 nathanw */ 153 1.2.2.3 nathanw if (self->dv_cfdata->cf_flags & DP8390_FORCE_16BIT_MODE) { 154 1.2.2.2 nathanw wsc->sc_16bitp = 1; 155 1.2.2.2 nathanw forced_16bit = 1; 156 1.2.2.2 nathanw } 157 1.2.2.3 nathanw if (self->dv_cfdata->cf_flags & DP8390_FORCE_8BIT_MODE) 158 1.2.2.2 nathanw wsc->sc_16bitp = 0; 159 1.2.2.2 nathanw 160 1.2.2.2 nathanw /* Registers are linear. */ 161 1.2.2.2 nathanw for (i = 0; i < 16; i++) 162 1.2.2.2 nathanw sc->sc_reg_map[i] = i; 163 1.2.2.2 nathanw 164 1.2.2.2 nathanw /* Now we can use the NIC_{GET,PUT}() macros. */ 165 1.2.2.2 nathanw 166 1.2.2.2 nathanw printf("%s: %s Ethernet (%s-bit)\n", sc->sc_dev.dv_xname, 167 1.2.2.2 nathanw typestr, wsc->sc_16bitp ? "16" : "8"); 168 1.2.2.2 nathanw 169 1.2.2.2 nathanw /* Get station address from EEPROM. */ 170 1.2.2.2 nathanw for (i = 0; i < ETHER_ADDR_LEN; i++) 171 1.2.2.2 nathanw sc->sc_enaddr[i] = bus_space_read_1(wsc->sc_asict, 172 1.2.2.2 nathanw wsc->sc_asich, WE_PROM + i); 173 1.2.2.2 nathanw 174 1.2.2.2 nathanw /* 175 1.2.2.2 nathanw * Set upper address bits and 8/16 bit access to shared memory. 176 1.2.2.2 nathanw */ 177 1.2.2.2 nathanw if (sc->is790) { 178 1.2.2.2 nathanw wsc->sc_laar_proto = 179 1.2.2.2 nathanw bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR) & 180 1.2.2.2 nathanw ~WE_LAAR_M16EN; 181 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 182 1.2.2.2 nathanw wsc->sc_laar_proto | (wsc->sc_16bitp ? WE_LAAR_M16EN : 0)); 183 1.2.2.2 nathanw } else if ((wsc->sc_type & WE_SOFTCONFIG) || 184 1.2.2.2 nathanw #ifdef TOSH_ETHER 185 1.2.2.2 nathanw (wsc->sc_type == WE_TYPE_TOSHIBA1) || 186 1.2.2.2 nathanw (wsc->sc_type == WE_TYPE_TOSHIBA4) || 187 1.2.2.2 nathanw #endif 188 1.2.2.2 nathanw (forced_16bit) || 189 1.2.2.2 nathanw (wsc->sc_type == WE_TYPE_WD8013EBT)) { 190 1.2.2.2 nathanw wsc->sc_laar_proto = (wsc->sc_maddr >> 19) & WE_LAAR_ADDRHI; 191 1.2.2.2 nathanw if (wsc->sc_16bitp) 192 1.2.2.2 nathanw wsc->sc_laar_proto |= WE_LAAR_L16EN; 193 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 194 1.2.2.2 nathanw wsc->sc_laar_proto | (wsc->sc_16bitp ? WE_LAAR_M16EN : 0)); 195 1.2.2.2 nathanw } 196 1.2.2.2 nathanw 197 1.2.2.2 nathanw /* 198 1.2.2.2 nathanw * Set address and enable interface shared memory. 199 1.2.2.2 nathanw */ 200 1.2.2.2 nathanw if (sc->is790) { 201 1.2.2.2 nathanw /* XXX MAGIC CONSTANTS XXX */ 202 1.2.2.2 nathanw x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, 0x04); 203 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 0x04, x | 0x80); 204 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 0x0b, 205 1.2.2.2 nathanw ((wsc->sc_maddr >> 13) & 0x0f) | 206 1.2.2.2 nathanw ((wsc->sc_maddr >> 11) & 0x40) | 207 1.2.2.2 nathanw (bus_space_read_1(wsc->sc_asict, wsc->sc_asich, 0x0b) & 0xb0)); 208 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 0x04, x); 209 1.2.2.2 nathanw wsc->sc_msr_proto = 0x00; 210 1.2.2.2 nathanw sc->cr_proto = 0x00; 211 1.2.2.2 nathanw } else { 212 1.2.2.2 nathanw #ifdef TOSH_ETHER 213 1.2.2.2 nathanw if (wsc->sc_type == WE_TYPE_TOSHIBA1 || 214 1.2.2.2 nathanw wsc->sc_type == WE_TYPE_TOSHIBA4) { 215 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 216 1.2.2.2 nathanw WE_MSR + 1, 217 1.2.2.2 nathanw ((wsc->sc_maddr >> 8) & 0xe0) | 0x04); 218 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, 219 1.2.2.2 nathanw WE_MSR + 2, 220 1.2.2.2 nathanw ((wsc->sc_maddr >> 16) & 0x0f)); 221 1.2.2.2 nathanw wsc->sc_msr_proto = WE_MSR_POW; 222 1.2.2.2 nathanw } else 223 1.2.2.2 nathanw #endif 224 1.2.2.2 nathanw wsc->sc_msr_proto = (wsc->sc_maddr >> 13) & 225 1.2.2.2 nathanw WE_MSR_ADDR; 226 1.2.2.2 nathanw 227 1.2.2.2 nathanw sc->cr_proto = ED_CR_RD2; 228 1.2.2.2 nathanw } 229 1.2.2.2 nathanw 230 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_MSR, 231 1.2.2.2 nathanw wsc->sc_msr_proto | WE_MSR_MENB); 232 1.2.2.2 nathanw WE_DELAY(wsc); 233 1.2.2.2 nathanw 234 1.2.2.2 nathanw /* 235 1.2.2.2 nathanw * DCR gets: 236 1.2.2.2 nathanw * 237 1.2.2.2 nathanw * FIFO threshold to 8, No auto-init Remote DMA, 238 1.2.2.2 nathanw * byte order=80x86. 239 1.2.2.2 nathanw * 240 1.2.2.2 nathanw * 16-bit cards also get word-wide DMA transfers. 241 1.2.2.2 nathanw */ 242 1.2.2.2 nathanw sc->dcr_reg = ED_DCR_FT1 | ED_DCR_LS | 243 1.2.2.2 nathanw (wsc->sc_16bitp ? ED_DCR_WTS : 0); 244 1.2.2.2 nathanw 245 1.2.2.2 nathanw sc->test_mem = we_test_mem; 246 1.2.2.2 nathanw sc->ring_copy = we_ring_copy; 247 1.2.2.2 nathanw sc->write_mbuf = we_write_mbuf; 248 1.2.2.2 nathanw sc->read_hdr = we_read_hdr; 249 1.2.2.2 nathanw sc->recv_int = we_recv_int; 250 1.2.2.2 nathanw sc->init_card = we_init_card; 251 1.2.2.2 nathanw 252 1.2.2.2 nathanw sc->sc_mediachange = we_mediachange; 253 1.2.2.2 nathanw sc->sc_mediastatus = we_mediastatus; 254 1.2.2.2 nathanw 255 1.2.2.2 nathanw sc->mem_start = 0; 256 1.2.2.2 nathanw /* sc->mem_size has to be set by frontend */ 257 1.2.2.2 nathanw 258 1.2.2.2 nathanw sc->sc_flags = self->dv_cfdata->cf_flags; 259 1.2.2.2 nathanw 260 1.2.2.2 nathanw /* Do generic parts of attach. */ 261 1.2.2.2 nathanw if (wsc->sc_type & WE_SOFTCONFIG) 262 1.2.2.2 nathanw sc->sc_media_init = we_media_init; 263 1.2.2.2 nathanw else 264 1.2.2.2 nathanw sc->sc_media_init = dp8390_media_init; 265 1.2.2.2 nathanw if (dp8390_config(sc)) { 266 1.2.2.2 nathanw printf("%s: configuration failed\n", sc->sc_dev.dv_xname); 267 1.2.2.2 nathanw return (1); 268 1.2.2.2 nathanw } 269 1.2.2.2 nathanw 270 1.2.2.2 nathanw /* 271 1.2.2.2 nathanw * Disable 16-bit access to shared memory - we leave it disabled 272 1.2.2.2 nathanw * so that: 273 1.2.2.2 nathanw * 274 1.2.2.2 nathanw * (1) machines reboot properly when the board is set to 275 1.2.2.2 nathanw * 16-bit mode and there are conflicting 8-bit devices 276 1.2.2.2 nathanw * within the same 128k address space as this board's 277 1.2.2.2 nathanw * shared memory, and 278 1.2.2.2 nathanw * 279 1.2.2.2 nathanw * (2) so that other 8-bit devices with shared memory 280 1.2.2.2 nathanw * in this same 128k address space will work. 281 1.2.2.2 nathanw */ 282 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 283 1.2.2.2 nathanw 284 1.2.2.2 nathanw return (0); 285 1.2.2.2 nathanw } 286 1.2.2.2 nathanw 287 1.2.2.2 nathanw static int 288 1.2.2.2 nathanw we_test_mem(sc) 289 1.2.2.2 nathanw struct dp8390_softc *sc; 290 1.2.2.2 nathanw { 291 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 292 1.2.2.2 nathanw bus_space_tag_t memt = sc->sc_buft; 293 1.2.2.2 nathanw bus_space_handle_t memh = sc->sc_bufh; 294 1.2.2.2 nathanw bus_size_t memsize = sc->mem_size; 295 1.2.2.2 nathanw int i; 296 1.2.2.2 nathanw 297 1.2.2.2 nathanw if (wsc->sc_16bitp) 298 1.2.2.2 nathanw bus_space_set_region_2(memt, memh, 0, 0, memsize >> 1); 299 1.2.2.2 nathanw else 300 1.2.2.2 nathanw bus_space_set_region_1(memt, memh, 0, 0, memsize); 301 1.2.2.2 nathanw 302 1.2.2.2 nathanw if (wsc->sc_16bitp) { 303 1.2.2.2 nathanw for (i = 0; i < memsize; i += 2) { 304 1.2.2.2 nathanw if (bus_space_read_2(memt, memh, i) != 0) 305 1.2.2.2 nathanw goto fail; 306 1.2.2.2 nathanw } 307 1.2.2.2 nathanw } else { 308 1.2.2.2 nathanw for (i = 0; i < memsize; i++) { 309 1.2.2.2 nathanw if (bus_space_read_1(memt, memh, i) != 0) 310 1.2.2.2 nathanw goto fail; 311 1.2.2.2 nathanw } 312 1.2.2.2 nathanw } 313 1.2.2.2 nathanw 314 1.2.2.2 nathanw return (0); 315 1.2.2.2 nathanw 316 1.2.2.2 nathanw fail: 317 1.2.2.2 nathanw printf("%s: failed to clear shared memory at offset 0x%x\n", 318 1.2.2.2 nathanw sc->sc_dev.dv_xname, i); 319 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 320 1.2.2.2 nathanw return (1); 321 1.2.2.2 nathanw } 322 1.2.2.2 nathanw 323 1.2.2.2 nathanw /* 324 1.2.2.2 nathanw * Given a NIC memory source address and a host memory destination address, 325 1.2.2.2 nathanw * copy 'len' from NIC to host using shared memory. The 'len' is rounded 326 1.2.2.2 nathanw * up to a word - ok as long as mbufs are word-sized. 327 1.2.2.2 nathanw */ 328 1.2.2.2 nathanw static __inline void 329 1.2.2.2 nathanw we_readmem(wsc, from, to, len) 330 1.2.2.2 nathanw struct we_softc *wsc; 331 1.2.2.2 nathanw int from; 332 1.2.2.2 nathanw u_int8_t *to; 333 1.2.2.2 nathanw int len; 334 1.2.2.2 nathanw { 335 1.2.2.2 nathanw bus_space_tag_t memt = wsc->sc_dp8390.sc_buft; 336 1.2.2.2 nathanw bus_space_handle_t memh = wsc->sc_dp8390.sc_bufh; 337 1.2.2.2 nathanw 338 1.2.2.2 nathanw if (len & 1) 339 1.2.2.2 nathanw ++len; 340 1.2.2.2 nathanw 341 1.2.2.2 nathanw if (wsc->sc_16bitp) 342 1.2.2.2 nathanw bus_space_read_region_stream_2(memt, memh, from, 343 1.2.2.2 nathanw (u_int16_t *)to, len >> 1); 344 1.2.2.2 nathanw else 345 1.2.2.2 nathanw bus_space_read_region_1(memt, memh, from, 346 1.2.2.2 nathanw to, len); 347 1.2.2.2 nathanw } 348 1.2.2.2 nathanw 349 1.2.2.2 nathanw static int 350 1.2.2.2 nathanw we_write_mbuf(sc, m, buf) 351 1.2.2.2 nathanw struct dp8390_softc *sc; 352 1.2.2.2 nathanw struct mbuf *m; 353 1.2.2.2 nathanw int buf; 354 1.2.2.2 nathanw { 355 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 356 1.2.2.2 nathanw bus_space_tag_t memt = wsc->sc_dp8390.sc_buft; 357 1.2.2.2 nathanw bus_space_handle_t memh = wsc->sc_dp8390.sc_bufh; 358 1.2.2.2 nathanw u_int8_t *data, savebyte[2]; 359 1.2.2.2 nathanw int savelen, len, leftover; 360 1.2.2.2 nathanw #ifdef DIAGNOSTIC 361 1.2.2.2 nathanw u_int8_t *lim; 362 1.2.2.2 nathanw #endif 363 1.2.2.2 nathanw 364 1.2.2.2 nathanw savelen = m->m_pkthdr.len; 365 1.2.2.2 nathanw 366 1.2.2.2 nathanw WE_MEM_ENABLE(wsc); 367 1.2.2.2 nathanw 368 1.2.2.2 nathanw /* 369 1.2.2.2 nathanw * 8-bit boards are simple; no alignment tricks are necessary. 370 1.2.2.2 nathanw */ 371 1.2.2.2 nathanw if (wsc->sc_16bitp == 0) { 372 1.2.2.2 nathanw for (; m != NULL; buf += m->m_len, m = m->m_next) 373 1.2.2.2 nathanw bus_space_write_region_1(memt, memh, 374 1.2.2.2 nathanw buf, mtod(m, u_int8_t *), m->m_len); 375 1.2.2.5 thorpej if (savelen < ETHER_MIN_LEN - ETHER_CRC_LEN) { 376 1.2.2.5 thorpej bus_space_set_region_1(memt, memh, 377 1.2.2.5 thorpej buf, 0, ETHER_MIN_LEN - ETHER_CRC_LEN - savelen); 378 1.2.2.5 thorpej savelen = ETHER_MIN_LEN - ETHER_CRC_LEN; 379 1.2.2.5 thorpej } 380 1.2.2.2 nathanw goto out; 381 1.2.2.2 nathanw } 382 1.2.2.2 nathanw 383 1.2.2.2 nathanw /* Start out with no leftover data. */ 384 1.2.2.2 nathanw leftover = 0; 385 1.2.2.2 nathanw savebyte[0] = savebyte[1] = 0; 386 1.2.2.2 nathanw 387 1.2.2.2 nathanw for (; m != NULL; m = m->m_next) { 388 1.2.2.2 nathanw len = m->m_len; 389 1.2.2.2 nathanw if (len == 0) 390 1.2.2.2 nathanw continue; 391 1.2.2.2 nathanw data = mtod(m, u_int8_t *); 392 1.2.2.2 nathanw #ifdef DIAGNOSTIC 393 1.2.2.2 nathanw lim = data + len; 394 1.2.2.2 nathanw #endif 395 1.2.2.2 nathanw while (len > 0) { 396 1.2.2.2 nathanw if (leftover) { 397 1.2.2.2 nathanw /* 398 1.2.2.2 nathanw * Data left over (from mbuf or realignment). 399 1.2.2.2 nathanw * Buffer the next byte, and write it and 400 1.2.2.2 nathanw * the leftover data out. 401 1.2.2.2 nathanw */ 402 1.2.2.2 nathanw savebyte[1] = *data++; 403 1.2.2.2 nathanw len--; 404 1.2.2.2 nathanw bus_space_write_stream_2(memt, memh, buf, 405 1.2.2.2 nathanw *(u_int16_t *)savebyte); 406 1.2.2.2 nathanw buf += 2; 407 1.2.2.2 nathanw leftover = 0; 408 1.2.2.2 nathanw } else if (BUS_SPACE_ALIGNED_POINTER(data, u_int16_t) 409 1.2.2.2 nathanw == 0) { 410 1.2.2.2 nathanw /* 411 1.2.2.2 nathanw * Unaligned dta; buffer the next byte. 412 1.2.2.2 nathanw */ 413 1.2.2.2 nathanw savebyte[0] = *data++; 414 1.2.2.2 nathanw len--; 415 1.2.2.2 nathanw leftover = 1; 416 1.2.2.2 nathanw } else { 417 1.2.2.2 nathanw /* 418 1.2.2.2 nathanw * Aligned data; output contiguous words as 419 1.2.2.2 nathanw * much as we can, then buffer the remaining 420 1.2.2.2 nathanw * byte, if any. 421 1.2.2.2 nathanw */ 422 1.2.2.2 nathanw leftover = len & 1; 423 1.2.2.2 nathanw len &= ~1; 424 1.2.2.2 nathanw bus_space_write_region_stream_2(memt, memh, 425 1.2.2.2 nathanw buf, (u_int16_t *)data, len >> 1); 426 1.2.2.2 nathanw data += len; 427 1.2.2.2 nathanw buf += len; 428 1.2.2.2 nathanw if (leftover) 429 1.2.2.2 nathanw savebyte[0] = *data++; 430 1.2.2.2 nathanw len = 0; 431 1.2.2.2 nathanw } 432 1.2.2.2 nathanw } 433 1.2.2.2 nathanw if (len < 0) 434 1.2.2.2 nathanw panic("we_write_mbuf: negative len"); 435 1.2.2.2 nathanw #ifdef DIAGNOSTIC 436 1.2.2.2 nathanw if (data != lim) 437 1.2.2.2 nathanw panic("we_write_mbuf: data != lim"); 438 1.2.2.2 nathanw #endif 439 1.2.2.2 nathanw } 440 1.2.2.2 nathanw if (leftover) { 441 1.2.2.2 nathanw savebyte[1] = 0; 442 1.2.2.2 nathanw bus_space_write_stream_2(memt, memh, buf, 443 1.2.2.2 nathanw *(u_int16_t *)savebyte); 444 1.2.2.5 thorpej buf += 2; 445 1.2.2.5 thorpej } 446 1.2.2.5 thorpej if (savelen < ETHER_MIN_LEN - ETHER_CRC_LEN) { 447 1.2.2.5 thorpej bus_space_set_region_2(memt, memh, 448 1.2.2.5 thorpej buf, 0, (ETHER_MIN_LEN - ETHER_CRC_LEN - savelen) >> 1); 449 1.2.2.5 thorpej savelen = ETHER_MIN_LEN - ETHER_CRC_LEN; 450 1.2.2.2 nathanw } 451 1.2.2.2 nathanw 452 1.2.2.2 nathanw out: 453 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 454 1.2.2.2 nathanw 455 1.2.2.2 nathanw return (savelen); 456 1.2.2.2 nathanw } 457 1.2.2.2 nathanw 458 1.2.2.2 nathanw static int 459 1.2.2.2 nathanw we_ring_copy(sc, src, dst, amount) 460 1.2.2.2 nathanw struct dp8390_softc *sc; 461 1.2.2.2 nathanw int src; 462 1.2.2.2 nathanw caddr_t dst; 463 1.2.2.2 nathanw u_short amount; 464 1.2.2.2 nathanw { 465 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 466 1.2.2.2 nathanw u_short tmp_amount; 467 1.2.2.2 nathanw 468 1.2.2.2 nathanw /* Does copy wrap to lower addr in ring buffer? */ 469 1.2.2.2 nathanw if (src + amount > sc->mem_end) { 470 1.2.2.2 nathanw tmp_amount = sc->mem_end - src; 471 1.2.2.2 nathanw 472 1.2.2.2 nathanw /* Copy amount up to end of NIC memory. */ 473 1.2.2.2 nathanw we_readmem(wsc, src, dst, tmp_amount); 474 1.2.2.2 nathanw 475 1.2.2.2 nathanw amount -= tmp_amount; 476 1.2.2.2 nathanw src = sc->mem_ring; 477 1.2.2.2 nathanw dst += tmp_amount; 478 1.2.2.2 nathanw } 479 1.2.2.2 nathanw 480 1.2.2.2 nathanw we_readmem(wsc, src, dst, amount); 481 1.2.2.2 nathanw 482 1.2.2.2 nathanw return (src + amount); 483 1.2.2.2 nathanw } 484 1.2.2.2 nathanw 485 1.2.2.2 nathanw static void 486 1.2.2.2 nathanw we_read_hdr(sc, packet_ptr, packet_hdrp) 487 1.2.2.2 nathanw struct dp8390_softc *sc; 488 1.2.2.2 nathanw int packet_ptr; 489 1.2.2.2 nathanw struct dp8390_ring *packet_hdrp; 490 1.2.2.2 nathanw { 491 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 492 1.2.2.2 nathanw 493 1.2.2.2 nathanw we_readmem(wsc, packet_ptr, (u_int8_t *)packet_hdrp, 494 1.2.2.2 nathanw sizeof(struct dp8390_ring)); 495 1.2.2.2 nathanw #if BYTE_ORDER == BIG_ENDIAN 496 1.2.2.2 nathanw packet_hdrp->count = bswap16(packet_hdrp->count); 497 1.2.2.2 nathanw #endif 498 1.2.2.2 nathanw } 499 1.2.2.2 nathanw 500 1.2.2.2 nathanw static void 501 1.2.2.2 nathanw we_recv_int(sc) 502 1.2.2.2 nathanw struct dp8390_softc *sc; 503 1.2.2.2 nathanw { 504 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 505 1.2.2.2 nathanw 506 1.2.2.2 nathanw WE_MEM_ENABLE(wsc); 507 1.2.2.2 nathanw dp8390_rint(sc); 508 1.2.2.2 nathanw WE_MEM_DISABLE(wsc); 509 1.2.2.2 nathanw } 510 1.2.2.2 nathanw 511 1.2.2.2 nathanw static void 512 1.2.2.2 nathanw we_media_init(struct dp8390_softc *sc) 513 1.2.2.2 nathanw { 514 1.2.2.2 nathanw struct we_softc *wsc = (void *) sc; 515 1.2.2.2 nathanw int defmedia = IFM_ETHER; 516 1.2.2.2 nathanw u_int8_t x; 517 1.2.2.2 nathanw 518 1.2.2.2 nathanw if (sc->is790) { 519 1.2.2.2 nathanw x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR); 520 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR, 521 1.2.2.2 nathanw x | WE790_HWR_SWH); 522 1.2.2.2 nathanw if (bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE790_GCR) & 523 1.2.2.2 nathanw WE790_GCR_GPOUT) 524 1.2.2.2 nathanw defmedia |= IFM_10_2; 525 1.2.2.2 nathanw else 526 1.2.2.2 nathanw defmedia |= IFM_10_5; 527 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR, 528 1.2.2.2 nathanw x & ~WE790_HWR_SWH); 529 1.2.2.2 nathanw } else { 530 1.2.2.2 nathanw x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_IRR); 531 1.2.2.2 nathanw if (x & WE_IRR_OUT2) 532 1.2.2.2 nathanw defmedia |= IFM_10_2; 533 1.2.2.2 nathanw else 534 1.2.2.2 nathanw defmedia |= IFM_10_5; 535 1.2.2.2 nathanw } 536 1.2.2.2 nathanw 537 1.2.2.2 nathanw ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 538 1.2.2.2 nathanw ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_10_2, 0, NULL); 539 1.2.2.2 nathanw ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_10_5, 0, NULL); 540 1.2.2.2 nathanw ifmedia_set(&sc->sc_media, defmedia); 541 1.2.2.2 nathanw } 542 1.2.2.2 nathanw 543 1.2.2.2 nathanw static int 544 1.2.2.2 nathanw we_mediachange(sc) 545 1.2.2.2 nathanw struct dp8390_softc *sc; 546 1.2.2.2 nathanw { 547 1.2.2.2 nathanw 548 1.2.2.2 nathanw /* 549 1.2.2.2 nathanw * Current media is already set up. Just reset the interface 550 1.2.2.2 nathanw * to let the new value take hold. The new media will be 551 1.2.2.2 nathanw * set up in we_init_card() called via dp8390_init(). 552 1.2.2.2 nathanw */ 553 1.2.2.2 nathanw dp8390_reset(sc); 554 1.2.2.2 nathanw return (0); 555 1.2.2.2 nathanw } 556 1.2.2.2 nathanw 557 1.2.2.2 nathanw static void 558 1.2.2.2 nathanw we_mediastatus(sc, ifmr) 559 1.2.2.2 nathanw struct dp8390_softc *sc; 560 1.2.2.2 nathanw struct ifmediareq *ifmr; 561 1.2.2.2 nathanw { 562 1.2.2.2 nathanw struct ifmedia *ifm = &sc->sc_media; 563 1.2.2.2 nathanw 564 1.2.2.2 nathanw /* 565 1.2.2.2 nathanw * The currently selected media is always the active media. 566 1.2.2.2 nathanw */ 567 1.2.2.2 nathanw ifmr->ifm_active = ifm->ifm_cur->ifm_media; 568 1.2.2.2 nathanw } 569 1.2.2.2 nathanw 570 1.2.2.2 nathanw static void 571 1.2.2.2 nathanw we_init_card(sc) 572 1.2.2.2 nathanw struct dp8390_softc *sc; 573 1.2.2.2 nathanw { 574 1.2.2.2 nathanw struct we_softc *wsc = (struct we_softc *)sc; 575 1.2.2.2 nathanw struct ifmedia *ifm = &sc->sc_media; 576 1.2.2.2 nathanw 577 1.2.2.2 nathanw if (wsc->sc_init_hook) 578 1.2.2.2 nathanw (*wsc->sc_init_hook)(wsc); 579 1.2.2.2 nathanw 580 1.2.2.2 nathanw we_set_media(wsc, ifm->ifm_cur->ifm_media); 581 1.2.2.2 nathanw } 582 1.2.2.2 nathanw 583 1.2.2.2 nathanw static void 584 1.2.2.2 nathanw we_set_media(wsc, media) 585 1.2.2.2 nathanw struct we_softc *wsc; 586 1.2.2.2 nathanw int media; 587 1.2.2.2 nathanw { 588 1.2.2.2 nathanw struct dp8390_softc *sc = &wsc->sc_dp8390; 589 1.2.2.2 nathanw bus_space_tag_t asict = wsc->sc_asict; 590 1.2.2.2 nathanw bus_space_handle_t asich = wsc->sc_asich; 591 1.2.2.2 nathanw u_int8_t hwr, gcr, irr; 592 1.2.2.2 nathanw 593 1.2.2.2 nathanw if (sc->is790) { 594 1.2.2.2 nathanw hwr = bus_space_read_1(asict, asich, WE790_HWR); 595 1.2.2.2 nathanw bus_space_write_1(asict, asich, WE790_HWR, 596 1.2.2.2 nathanw hwr | WE790_HWR_SWH); 597 1.2.2.2 nathanw gcr = bus_space_read_1(asict, asich, WE790_GCR); 598 1.2.2.2 nathanw if (IFM_SUBTYPE(media) == IFM_10_2) 599 1.2.2.2 nathanw gcr |= WE790_GCR_GPOUT; 600 1.2.2.2 nathanw else 601 1.2.2.2 nathanw gcr &= ~WE790_GCR_GPOUT; 602 1.2.2.2 nathanw bus_space_write_1(asict, asich, WE790_GCR, 603 1.2.2.2 nathanw gcr | WE790_GCR_LIT); 604 1.2.2.2 nathanw bus_space_write_1(asict, asich, WE790_HWR, 605 1.2.2.2 nathanw hwr & ~WE790_HWR_SWH); 606 1.2.2.2 nathanw return; 607 1.2.2.2 nathanw } 608 1.2.2.2 nathanw 609 1.2.2.2 nathanw irr = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_IRR); 610 1.2.2.2 nathanw if (IFM_SUBTYPE(media) == IFM_10_2) 611 1.2.2.2 nathanw irr |= WE_IRR_OUT2; 612 1.2.2.2 nathanw else 613 1.2.2.2 nathanw irr &= ~WE_IRR_OUT2; 614 1.2.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_IRR, irr); 615 1.2.2.2 nathanw } 616
Indexes created Tue Oct 14 21:09:58 GMT 2025