1 /* $NetBSD: if_le_isa.c,v 1.41 2005/12/24 20:27:41 perry Exp $ */
2 /* $FreeBSD: src/sys/dev/le/if_le_isa.c,v 1.1 2006/05/17 21:25:22 marius Exp $ */
5 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
10 * Simulation Facility, NASA Ames Research Center.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
42 * Copyright (c) 1992, 1993
43 * The Regents of the University of California. All rights reserved.
45 * This code is derived from software contributed to Berkeley by
46 * Ralph Campbell and Rick Macklem.
48 * Redistribution and use in source and binary forms, with or without
49 * modification, are permitted provided that the following conditions
51 * 1. Redistributions of source code must retain the above copyright
52 * notice, this list of conditions and the following disclaimer.
53 * 2. Redistributions in binary form must reproduce the above copyright
54 * notice, this list of conditions and the following disclaimer in the
55 * documentation and/or other materials provided with the distribution.
56 * 3. Neither the name of the University nor the names of its contributors
57 * may be used to endorse or promote products derived from this software
58 * without specific prior written permission.
60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 * @(#)if_le.c 8.2 (Berkeley) 11/16/93
75 #include <sys/param.h>
76 #include <sys/systm.h>
78 #include <sys/endian.h>
79 #include <sys/kernel.h>
80 #include <sys/interrupt.h>
82 #include <sys/module.h>
83 #include <sys/resource.h>
85 #include <sys/socket.h>
87 #include <net/ethernet.h>
89 #include <net/if_media.h>
90 #include <net/if_arp.h>
92 #include <bus/isa/isavar.h>
94 #include <dev/netif/lnc/lancereg.h>
95 #include <dev/netif/lnc/lancevar.h>
96 #include <dev/netif/lnc/am7990var.h>
98 #define LE_ISA_MEMSIZE (16*1024)
99 #define PCNET_RDP 0x10
100 #define PCNET_RAP 0x12
102 struct le_isa_softc {
103 struct am7990_softc sc_am7990; /* glue to MI code */
105 bus_size_t sc_rap; /* offsets to LANCE... */
106 bus_size_t sc_rdp; /* ...registers */
109 struct resource *sc_rres;
110 bus_space_tag_t sc_regt;
111 bus_space_handle_t sc_regh;
114 struct resource *sc_dres;
117 struct resource *sc_ires;
120 bus_dma_tag_t sc_pdmat;
121 bus_dma_tag_t sc_dmat;
122 bus_dmamap_t sc_dmam;
125 static device_probe_t le_isa_probe;
126 static device_attach_t le_isa_attach;
127 static device_detach_t le_isa_detach;
128 static device_resume_t le_isa_resume;
129 static device_suspend_t le_isa_suspend;
131 static device_method_t le_isa_methods[] = {
132 /* Device interface */
133 DEVMETHOD(device_probe, le_isa_probe),
134 DEVMETHOD(device_attach, le_isa_attach),
135 DEVMETHOD(device_detach, le_isa_detach),
136 /* We can just use the suspend method here. */
137 DEVMETHOD(device_shutdown, le_isa_suspend),
138 DEVMETHOD(device_suspend, le_isa_suspend),
139 DEVMETHOD(device_resume, le_isa_resume),
144 DEFINE_CLASS_0(lnc, le_isa_driver, le_isa_methods, sizeof(struct le_isa_softc));
145 DRIVER_MODULE(lnc, isa, le_isa_driver, le_devclass, NULL, NULL);
146 MODULE_DEPEND(lnc, ether, 1, 1, 1);
148 struct le_isa_param {
155 } static const le_isa_params[] = {
156 { "BICC Isolan", 24, 0xe, 0xc, 0, 2 },
157 { "Novell NE2100", 16, 0x12, 0x10, 0, 1 }
160 static struct isa_pnp_id le_isa_ids[] = {
161 { 0x0322690e, "Cabletron E2200 Single Chip" }, /* CSI2203 */
162 { 0x0110490a, "Boca LANCard Combo" }, /* BRI1001 */
163 { 0x0100a60a, "Melco Inc. LGY-IV" }, /* BUF0001 */
164 { 0xd880d041, "Novell NE2100" }, /* PNP80D8 */
165 { 0x0082d041, "Cabletron E2100 Series DNI" }, /* PNP8200 */
166 { 0x3182d041, "AMD AM1500T/AM2100" }, /* PNP8231 */
167 { 0x8c82d041, "AMD PCnet-ISA" }, /* PNP828C */
168 { 0x8d82d041, "AMD PCnet-32" }, /* PNP828D */
169 { 0xcefaedfe, "Racal InterLan EtherBlaster" }, /* _WMFACE */
173 static void le_isa_wrcsr(struct lance_softc *, uint16_t, uint16_t);
174 static uint16_t le_isa_rdcsr(struct lance_softc *, uint16_t);
175 static bus_dmamap_callback_t le_isa_dma_callback;
176 static int le_isa_probe_legacy(device_t, const struct le_isa_param *);
179 le_isa_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
181 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
183 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port);
184 bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2,
185 BUS_SPACE_BARRIER_WRITE);
186 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rdp, val);
190 le_isa_rdcsr(struct lance_softc *sc, uint16_t port)
192 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
194 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port);
195 bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2,
196 BUS_SPACE_BARRIER_WRITE);
197 return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rdp));
201 le_isa_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
203 struct lance_softc *sc = (struct lance_softc *)xsc;
207 KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__));
208 sc->sc_addr = segs[0].ds_addr;
212 le_isa_probe_legacy(device_t dev, const struct le_isa_param *leip)
214 struct le_isa_softc *lesc;
215 struct lance_softc *sc;
218 lesc = device_get_softc(dev);
219 sc = &lesc->sc_am7990.lsc;
222 lesc->sc_rres = bus_alloc_resource(dev, SYS_RES_IOPORT, &lesc->sc_rrid,
223 0, ~0, leip->iosize, RF_ACTIVE);
224 if (lesc->sc_rres == NULL)
226 lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
227 lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
228 lesc->sc_rap = leip->rap;
229 lesc->sc_rdp = leip->rdp;
231 /* Stop the chip and put it in a known state. */
232 le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP);
234 if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP) {
238 le_isa_wrcsr(sc, LE_CSR3, 0);
242 bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
247 le_isa_probe(device_t dev)
251 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
255 for (i = 0; i < sizeof(le_isa_params) /
256 sizeof(le_isa_params[0]); i++) {
257 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
258 device_set_desc(dev, le_isa_params[i].name);
270 le_isa_attach(device_t dev)
272 struct le_isa_softc *lesc;
273 struct lance_softc *sc;
274 bus_size_t macstart, rap, rdp;
275 int error, i, macstride;
277 lesc = device_get_softc(dev);
278 sc = &lesc->sc_am7990.lsc;
281 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
283 lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
284 &lesc->sc_rrid, RF_ACTIVE);
291 for (i = 0; i < sizeof(le_isa_params) /
292 sizeof(le_isa_params[0]); i++) {
293 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
294 lesc->sc_rres = bus_alloc_resource(dev,
295 SYS_RES_IOPORT, &lesc->sc_rrid, 0, ~0,
296 le_isa_params[i].iosize, RF_ACTIVE);
297 rap = le_isa_params[i].rap;
298 rdp = le_isa_params[i].rdp;
299 macstart = le_isa_params[i].macstart;
300 macstride = le_isa_params[i].macstride;
307 device_printf(dev, "cannot determine chip\n");
313 if (lesc->sc_rres == NULL) {
314 device_printf(dev, "cannot allocate registers\n");
318 lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
319 lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
324 if ((lesc->sc_dres = bus_alloc_resource_any(dev, SYS_RES_DRQ,
325 &lesc->sc_drid, RF_ACTIVE)) == NULL) {
326 device_printf(dev, "cannot allocate DMA channel\n");
332 if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
333 &lesc->sc_irid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
334 device_printf(dev, "cannot allocate interrupt\n");
339 error = bus_dma_tag_create(
341 1, 0, /* alignment, boundary */
342 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
343 BUS_SPACE_MAXADDR, /* highaddr */
344 NULL, NULL, /* filter, filterarg */
345 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
347 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
348 BUS_DMA_WAITOK, /* flags */
351 device_printf(dev, "cannot allocate parent DMA tag\n");
355 sc->sc_memsize = LE_ISA_MEMSIZE;
357 * For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte
358 * aligned and the ring descriptors must be 8-byte aligned.
360 error = bus_dma_tag_create(
361 lesc->sc_pdmat, /* parent */
362 8, 0, /* alignment, boundary */
363 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
364 BUS_SPACE_MAXADDR, /* highaddr */
365 NULL, NULL, /* filter, filterarg */
366 sc->sc_memsize, /* maxsize */
368 sc->sc_memsize, /* maxsegsize */
369 BUS_DMA_WAITOK, /* flags */
372 device_printf(dev, "cannot allocate buffer DMA tag\n");
376 error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
377 BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
379 device_printf(dev, "cannot allocate DMA buffer memory\n");
384 error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
385 sc->sc_memsize, le_isa_dma_callback, sc, 0);
386 if (error != 0 || sc->sc_addr == 0) {
387 device_printf(dev, "cannot load DMA buffer map\n");
391 isa_dmacascade(rman_get_start(lesc->sc_dres));
397 * Extract the physical MAC address from the ROM.
399 for (i = 0; i < sizeof(sc->sc_enaddr); i++)
400 sc->sc_enaddr[i] = bus_space_read_1(lesc->sc_regt,
401 lesc->sc_regh, macstart + i * macstride);
403 sc->sc_copytodesc = lance_copytobuf_contig;
404 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
405 sc->sc_copytobuf = lance_copytobuf_contig;
406 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
407 sc->sc_zerobuf = lance_zerobuf_contig;
409 sc->sc_rdcsr = le_isa_rdcsr;
410 sc->sc_wrcsr = le_isa_wrcsr;
411 sc->sc_hwreset = NULL;
412 sc->sc_hwinit = NULL;
413 sc->sc_hwintr = NULL;
414 sc->sc_nocarrier = NULL;
415 sc->sc_mediachange = NULL;
416 sc->sc_mediastatus = NULL;
417 sc->sc_supmedia = NULL;
419 error = am7990_config(&lesc->sc_am7990, device_get_name(dev),
420 device_get_unit(dev));
422 device_printf(dev, "cannot attach Am7990\n");
426 error = bus_setup_intr(dev, lesc->sc_ires, INTR_MPSAFE,
427 am7990_intr, sc, &lesc->sc_ih, sc->ifp->if_serializer);
429 device_printf(dev, "cannot set up interrupt\n");
433 sc->ifp->if_cpuid = ithread_cpuid(rman_get_start(lesc->sc_ires));
434 KKASSERT(sc->ifp->if_cpuid >= 0 && sc->ifp->if_cpuid < ncpus);
439 am7990_detach(&lesc->sc_am7990);
441 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
443 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
445 bus_dma_tag_destroy(lesc->sc_dmat);
447 bus_dma_tag_destroy(lesc->sc_pdmat);
449 bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
451 bus_release_resource(dev, SYS_RES_DRQ, lesc->sc_drid, lesc->sc_dres);
453 bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
459 le_isa_detach(device_t dev)
461 struct le_isa_softc *lesc;
462 struct lance_softc *sc;
464 lesc = device_get_softc(dev);
465 sc = &lesc->sc_am7990.lsc;
467 if (device_is_attached(dev)) {
468 lwkt_serialize_enter(sc->ifp->if_serializer);
470 bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
471 lwkt_serialize_exit(sc->ifp->if_serializer);
473 am7990_detach(&lesc->sc_am7990);
477 bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
479 bus_release_resource(dev, SYS_RES_DRQ, lesc->sc_drid, lesc->sc_dres);
481 bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
483 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
484 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
487 bus_dma_tag_destroy(lesc->sc_dmat);
489 bus_dma_tag_destroy(lesc->sc_pdmat);
495 le_isa_suspend(device_t dev)
497 struct le_isa_softc *lesc;
499 lesc = device_get_softc(dev);
501 lance_suspend(&lesc->sc_am7990.lsc);
507 le_isa_resume(device_t dev)
509 struct le_isa_softc *lesc;
511 lesc = device_get_softc(dev);
513 lance_resume(&lesc->sc_am7990.lsc);