1 /* $NetBSD: if_le_isa.c,v 1.41 2005/12/24 20:27:41 perry Exp $ */
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
9 * Simulation Facility, NASA Ames Research Center.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
34 * Copyright (c) 1992, 1993
35 * The Regents of the University of California. All rights reserved.
37 * This code is derived from software contributed to Berkeley by
38 * Ralph Campbell and Rick Macklem.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. Neither the name of the University nor the names of its contributors
49 * may be used to endorse or promote products derived from this software
50 * without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
64 * @(#)if_le.c 8.2 (Berkeley) 11/16/93
67 #include <sys/cdefs.h>
68 __FBSDID("$FreeBSD$");
70 #include <sys/param.h>
71 #include <sys/systm.h>
73 #include <sys/endian.h>
74 #include <sys/kernel.h>
76 #include <sys/module.h>
77 #include <sys/mutex.h>
78 #include <sys/resource.h>
80 #include <sys/socket.h>
82 #include <net/ethernet.h>
84 #include <net/if_media.h>
86 #include <machine/bus.h>
87 #include <machine/resource.h>
89 #include <isa/isavar.h>
91 #include <dev/le/lancereg.h>
92 #include <dev/le/lancevar.h>
93 #include <dev/le/am7990var.h>
95 #define LE_ISA_MEMSIZE (16*1024)
96 #define PCNET_RDP 0x10
97 #define PCNET_RAP 0x12
100 struct am7990_softc sc_am7990; /* glue to MI code */
102 bus_size_t sc_rap; /* offsets to LANCE... */
103 bus_size_t sc_rdp; /* ...registers */
105 struct resource *sc_rres;
107 struct resource *sc_dres;
109 struct resource *sc_ires;
112 bus_dma_tag_t sc_pdmat;
113 bus_dma_tag_t sc_dmat;
114 bus_dmamap_t sc_dmam;
117 static device_probe_t le_isa_probe;
118 static device_attach_t le_isa_attach;
119 static device_detach_t le_isa_detach;
120 static device_resume_t le_isa_resume;
121 static device_suspend_t le_isa_suspend;
123 static device_method_t le_isa_methods[] = {
124 /* Device interface */
125 DEVMETHOD(device_probe, le_isa_probe),
126 DEVMETHOD(device_attach, le_isa_attach),
127 DEVMETHOD(device_detach, le_isa_detach),
128 /* We can just use the suspend method here. */
129 DEVMETHOD(device_shutdown, le_isa_suspend),
130 DEVMETHOD(device_suspend, le_isa_suspend),
131 DEVMETHOD(device_resume, le_isa_resume),
136 DEFINE_CLASS_0(le, le_isa_driver, le_isa_methods, sizeof(struct le_isa_softc));
137 DRIVER_MODULE(le, isa, le_isa_driver, le_devclass, 0, 0);
138 MODULE_DEPEND(le, ether, 1, 1, 1);
140 struct le_isa_param {
147 } static const le_isa_params[] = {
148 { "BICC Isolan", 24, 0xe, 0xc, 0, 2 },
149 { "Novell NE2100", 16, 0x12, 0x10, 0, 1 }
152 static struct isa_pnp_id le_isa_ids[] = {
153 { 0x0322690e, "Cabletron E2200 Single Chip" }, /* CSI2203 */
154 { 0x0110490a, "Boca LANCard Combo" }, /* BRI1001 */
155 { 0x0100a60a, "Melco Inc. LGY-IV" }, /* BUF0001 */
156 { 0xd880d041, "Novell NE2100" }, /* PNP80D8 */
157 { 0x0082d041, "Cabletron E2100 Series DNI" }, /* PNP8200 */
158 { 0x3182d041, "AMD AM1500T/AM2100" }, /* PNP8231 */
159 { 0x8c82d041, "AMD PCnet-ISA" }, /* PNP828C */
160 { 0x8d82d041, "AMD PCnet-32" }, /* PNP828D */
161 { 0xcefaedfe, "Racal InterLan EtherBlaster" }, /* _WMFACE */
165 static void le_isa_wrcsr(struct lance_softc *, uint16_t, uint16_t);
166 static uint16_t le_isa_rdcsr(struct lance_softc *, uint16_t);
167 static bus_dmamap_callback_t le_isa_dma_callback;
168 static int le_isa_probe_legacy(device_t, const struct le_isa_param *);
171 le_isa_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
173 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
175 bus_write_2(lesc->sc_rres, lesc->sc_rap, port);
176 bus_barrier(lesc->sc_rres, lesc->sc_rap, 2, BUS_SPACE_BARRIER_WRITE);
177 bus_write_2(lesc->sc_rres, lesc->sc_rdp, val);
181 le_isa_rdcsr(struct lance_softc *sc, uint16_t port)
183 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
185 bus_write_2(lesc->sc_rres, lesc->sc_rap, port);
186 bus_barrier(lesc->sc_rres, lesc->sc_rap, 2, BUS_SPACE_BARRIER_WRITE);
187 return (bus_read_2(lesc->sc_rres, lesc->sc_rdp));
191 le_isa_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
193 struct lance_softc *sc = (struct lance_softc *)xsc;
197 KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__));
198 sc->sc_addr = segs[0].ds_addr;
202 le_isa_probe_legacy(device_t dev, const struct le_isa_param *leip)
204 struct le_isa_softc *lesc;
205 struct lance_softc *sc;
208 lesc = device_get_softc(dev);
209 sc = &lesc->sc_am7990.lsc;
212 lesc->sc_rres = bus_alloc_resource(dev, SYS_RES_IOPORT, &i, 0, ~0,
213 leip->iosize, RF_ACTIVE);
214 if (lesc->sc_rres == NULL)
216 lesc->sc_rap = leip->rap;
217 lesc->sc_rdp = leip->rdp;
219 /* Stop the chip and put it in a known state. */
220 le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP);
222 if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP) {
226 le_isa_wrcsr(sc, LE_CSR3, 0);
230 bus_release_resource(dev, SYS_RES_IOPORT,
231 rman_get_rid(lesc->sc_rres), lesc->sc_rres);
236 le_isa_probe(device_t dev)
240 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
242 return (BUS_PROBE_DEFAULT);
244 for (i = 0; i < sizeof(le_isa_params) /
245 sizeof(le_isa_params[0]); i++) {
246 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
247 device_set_desc(dev, le_isa_params[i].name);
248 return (BUS_PROBE_DEFAULT);
259 le_isa_attach(device_t dev)
261 struct le_isa_softc *lesc;
262 struct lance_softc *sc;
263 bus_size_t macstart, rap, rdp;
264 int error, i, j, macstride;
266 lesc = device_get_softc(dev);
267 sc = &lesc->sc_am7990.lsc;
269 LE_LOCK_INIT(sc, device_get_nameunit(dev));
272 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
274 lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
282 for (i = 0; i < sizeof(le_isa_params) /
283 sizeof(le_isa_params[0]); i++) {
284 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
285 lesc->sc_rres = bus_alloc_resource(dev,
286 SYS_RES_IOPORT, &j, 0, ~0,
287 le_isa_params[i].iosize, RF_ACTIVE);
288 rap = le_isa_params[i].rap;
289 rdp = le_isa_params[i].rdp;
290 macstart = le_isa_params[i].macstart;
291 macstride = le_isa_params[i].macstride;
298 device_printf(dev, "cannot determine chip\n");
304 if (lesc->sc_rres == NULL) {
305 device_printf(dev, "cannot allocate registers\n");
313 if ((lesc->sc_dres = bus_alloc_resource_any(dev, SYS_RES_DRQ,
314 &i, RF_ACTIVE)) == NULL) {
315 device_printf(dev, "cannot allocate DMA channel\n");
321 if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
322 &i, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
323 device_printf(dev, "cannot allocate interrupt\n");
328 error = bus_dma_tag_create(
329 bus_get_dma_tag(dev), /* parent */
330 1, 0, /* alignment, boundary */
331 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
332 BUS_SPACE_MAXADDR, /* highaddr */
333 NULL, NULL, /* filter, filterarg */
334 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
336 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
338 NULL, NULL, /* lockfunc, lockarg */
341 device_printf(dev, "cannot allocate parent DMA tag\n");
345 sc->sc_memsize = LE_ISA_MEMSIZE;
347 * For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte
348 * aligned and the ring descriptors must be 8-byte aligned.
350 error = bus_dma_tag_create(
351 lesc->sc_pdmat, /* parent */
352 8, 0, /* alignment, boundary */
353 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
354 BUS_SPACE_MAXADDR, /* highaddr */
355 NULL, NULL, /* filter, filterarg */
356 sc->sc_memsize, /* maxsize */
358 sc->sc_memsize, /* maxsegsize */
360 NULL, NULL, /* lockfunc, lockarg */
363 device_printf(dev, "cannot allocate buffer DMA tag\n");
367 error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
368 BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
370 device_printf(dev, "cannot allocate DMA buffer memory\n");
375 error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
376 sc->sc_memsize, le_isa_dma_callback, sc, 0);
377 if (error != 0 || sc->sc_addr == 0) {
378 device_printf(dev, "cannot load DMA buffer map\n");
382 isa_dmacascade(rman_get_start(lesc->sc_dres));
388 * Extract the physical MAC address from the ROM.
390 for (i = 0; i < sizeof(sc->sc_enaddr); i++)
391 sc->sc_enaddr[i] = bus_read_1(lesc->sc_rres,
392 macstart + i * macstride);
394 sc->sc_copytodesc = lance_copytobuf_contig;
395 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
396 sc->sc_copytobuf = lance_copytobuf_contig;
397 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
398 sc->sc_zerobuf = lance_zerobuf_contig;
400 sc->sc_rdcsr = le_isa_rdcsr;
401 sc->sc_wrcsr = le_isa_wrcsr;
402 sc->sc_hwreset = NULL;
403 sc->sc_hwinit = NULL;
404 sc->sc_hwintr = NULL;
405 sc->sc_nocarrier = NULL;
406 sc->sc_mediachange = NULL;
407 sc->sc_mediastatus = NULL;
408 sc->sc_supmedia = NULL;
410 error = am7990_config(&lesc->sc_am7990, device_get_name(dev),
411 device_get_unit(dev));
413 device_printf(dev, "cannot attach Am7990\n");
417 error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE,
418 NULL, am7990_intr, sc, &lesc->sc_ih);
420 device_printf(dev, "cannot set up interrupt\n");
427 am7990_detach(&lesc->sc_am7990);
429 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
431 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
433 bus_dma_tag_destroy(lesc->sc_dmat);
435 bus_dma_tag_destroy(lesc->sc_pdmat);
437 bus_release_resource(dev, SYS_RES_IRQ,
438 rman_get_rid(lesc->sc_ires), lesc->sc_ires);
440 bus_release_resource(dev, SYS_RES_DRQ,
441 rman_get_rid(lesc->sc_dres), lesc->sc_dres);
443 bus_release_resource(dev, SYS_RES_IOPORT,
444 rman_get_rid(lesc->sc_rres), lesc->sc_rres);
451 le_isa_detach(device_t dev)
453 struct le_isa_softc *lesc;
454 struct lance_softc *sc;
456 lesc = device_get_softc(dev);
457 sc = &lesc->sc_am7990.lsc;
459 bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
460 am7990_detach(&lesc->sc_am7990);
461 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
462 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
463 bus_dma_tag_destroy(lesc->sc_dmat);
464 bus_dma_tag_destroy(lesc->sc_pdmat);
465 bus_release_resource(dev, SYS_RES_IRQ,
466 rman_get_rid(lesc->sc_ires), lesc->sc_ires);
467 bus_release_resource(dev, SYS_RES_DRQ,
468 rman_get_rid(lesc->sc_dres), lesc->sc_dres);
469 bus_release_resource(dev, SYS_RES_IOPORT,
470 rman_get_rid(lesc->sc_rres), lesc->sc_rres);
477 le_isa_suspend(device_t dev)
479 struct le_isa_softc *lesc;
481 lesc = device_get_softc(dev);
483 lance_suspend(&lesc->sc_am7990.lsc);
489 le_isa_resume(device_t dev)
491 struct le_isa_softc *lesc;
493 lesc = device_get_softc(dev);
495 lance_resume(&lesc->sc_am7990.lsc);