1 /* $NetBSD: if_le_isa.c,v 1.41 2005/12/24 20:27:41 perry Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-3-Clause
6 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
11 * Simulation Facility, NASA Ames Research Center.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
36 * Copyright (c) 1992, 1993
37 * The Regents of the University of California. All rights reserved.
39 * This code is derived from software contributed to Berkeley by
40 * Ralph Campbell and Rick Macklem.
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
45 * 1. Redistributions of source code must retain the above copyright
46 * notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice, this list of conditions and the following disclaimer in the
49 * documentation and/or other materials provided with the distribution.
50 * 3. Neither the name of the University nor the names of its contributors
51 * may be used to endorse or promote products derived from this software
52 * without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
66 * @(#)if_le.c 8.2 (Berkeley) 11/16/93
69 #include <sys/cdefs.h>
70 __FBSDID("$FreeBSD$");
72 #include <sys/param.h>
73 #include <sys/systm.h>
75 #include <sys/endian.h>
76 #include <sys/kernel.h>
78 #include <sys/module.h>
79 #include <sys/mutex.h>
80 #include <sys/resource.h>
82 #include <sys/socket.h>
84 #include <net/ethernet.h>
86 #include <net/if_media.h>
88 #include <machine/bus.h>
89 #include <machine/resource.h>
91 #include <isa/isavar.h>
93 #include <dev/le/lancereg.h>
94 #include <dev/le/lancevar.h>
95 #include <dev/le/am7990var.h>
97 #define LE_ISA_MEMSIZE (16*1024)
98 #define PCNET_RDP 0x10
99 #define PCNET_RAP 0x12
101 struct le_isa_softc {
102 struct am7990_softc sc_am7990; /* glue to MI code */
104 bus_size_t sc_rap; /* offsets to LANCE... */
105 bus_size_t sc_rdp; /* ...registers */
107 struct resource *sc_rres;
109 struct resource *sc_dres;
111 struct resource *sc_ires;
114 bus_dma_tag_t sc_pdmat;
115 bus_dma_tag_t sc_dmat;
116 bus_dmamap_t sc_dmam;
119 static device_probe_t le_isa_probe;
120 static device_attach_t le_isa_attach;
121 static device_detach_t le_isa_detach;
122 static device_resume_t le_isa_resume;
123 static device_suspend_t le_isa_suspend;
125 static device_method_t le_isa_methods[] = {
126 /* Device interface */
127 DEVMETHOD(device_probe, le_isa_probe),
128 DEVMETHOD(device_attach, le_isa_attach),
129 DEVMETHOD(device_detach, le_isa_detach),
130 /* We can just use the suspend method here. */
131 DEVMETHOD(device_shutdown, le_isa_suspend),
132 DEVMETHOD(device_suspend, le_isa_suspend),
133 DEVMETHOD(device_resume, le_isa_resume),
138 struct le_isa_param {
145 } static const le_isa_params[] = {
146 { "BICC Isolan", 24, 0xe, 0xc, 0, 2 },
147 { "Novell NE2100", 16, 0x12, 0x10, 0, 1 }
150 static struct isa_pnp_id le_isa_ids[] = {
151 { 0x0322690e, "Cabletron E2200 Single Chip" }, /* CSI2203 */
152 { 0x0110490a, "Boca LANCard Combo" }, /* BRI1001 */
153 { 0x0100a60a, "Melco Inc. LGY-IV" }, /* BUF0001 */
154 { 0xd880d041, "Novell NE2100" }, /* PNP80D8 */
155 { 0x0082d041, "Cabletron E2100 Series DNI" }, /* PNP8200 */
156 { 0x3182d041, "AMD AM1500T/AM2100" }, /* PNP8231 */
157 { 0x8c82d041, "AMD PCnet-ISA" }, /* PNP828C */
158 { 0x8d82d041, "AMD PCnet-32" }, /* PNP828D */
159 { 0xcefaedfe, "Racal InterLan EtherBlaster" }, /* _WMFACE */
163 static void le_isa_wrcsr(struct lance_softc *, uint16_t, uint16_t);
164 static uint16_t le_isa_rdcsr(struct lance_softc *, uint16_t);
165 static bus_dmamap_callback_t le_isa_dma_callback;
166 static int le_isa_probe_legacy(device_t, const struct le_isa_param *);
169 le_isa_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
171 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
173 bus_write_2(lesc->sc_rres, lesc->sc_rap, port);
174 bus_barrier(lesc->sc_rres, lesc->sc_rap, 2, BUS_SPACE_BARRIER_WRITE);
175 bus_write_2(lesc->sc_rres, lesc->sc_rdp, val);
179 le_isa_rdcsr(struct lance_softc *sc, uint16_t port)
181 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
183 bus_write_2(lesc->sc_rres, lesc->sc_rap, port);
184 bus_barrier(lesc->sc_rres, lesc->sc_rap, 2, BUS_SPACE_BARRIER_WRITE);
185 return (bus_read_2(lesc->sc_rres, lesc->sc_rdp));
189 le_isa_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
191 struct lance_softc *sc = (struct lance_softc *)xsc;
195 KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__));
196 sc->sc_addr = segs[0].ds_addr;
200 le_isa_probe_legacy(device_t dev, const struct le_isa_param *leip)
202 struct le_isa_softc *lesc;
203 struct lance_softc *sc;
206 lesc = device_get_softc(dev);
207 sc = &lesc->sc_am7990.lsc;
210 lesc->sc_rres = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &i,
211 leip->iosize, RF_ACTIVE);
212 if (lesc->sc_rres == NULL)
214 lesc->sc_rap = leip->rap;
215 lesc->sc_rdp = leip->rdp;
217 /* Stop the chip and put it in a known state. */
218 le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP);
220 if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP) {
224 le_isa_wrcsr(sc, LE_CSR3, 0);
228 bus_release_resource(dev, SYS_RES_IOPORT,
229 rman_get_rid(lesc->sc_rres), lesc->sc_rres);
234 le_isa_probe(device_t dev)
238 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
240 return (BUS_PROBE_DEFAULT);
242 for (i = 0; i < nitems(le_isa_params); i++) {
243 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
244 device_set_desc(dev, le_isa_params[i].name);
245 return (BUS_PROBE_DEFAULT);
256 le_isa_attach(device_t dev)
258 struct le_isa_softc *lesc;
259 struct lance_softc *sc;
260 bus_size_t macstart, rap, rdp;
261 int error, i, j, macstride;
263 lesc = device_get_softc(dev);
264 sc = &lesc->sc_am7990.lsc;
266 LE_LOCK_INIT(sc, device_get_nameunit(dev));
269 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
271 lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
279 for (i = 0; i < nitems(le_isa_params); i++) {
280 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
281 lesc->sc_rres = bus_alloc_resource_anywhere(dev,
283 le_isa_params[i].iosize, RF_ACTIVE);
284 rap = le_isa_params[i].rap;
285 rdp = le_isa_params[i].rdp;
286 macstart = le_isa_params[i].macstart;
287 macstride = le_isa_params[i].macstride;
294 device_printf(dev, "cannot determine chip\n");
300 if (lesc->sc_rres == NULL) {
301 device_printf(dev, "cannot allocate registers\n");
309 if ((lesc->sc_dres = bus_alloc_resource_any(dev, SYS_RES_DRQ,
310 &i, RF_ACTIVE)) == NULL) {
311 device_printf(dev, "cannot allocate DMA channel\n");
317 if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
318 &i, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
319 device_printf(dev, "cannot allocate interrupt\n");
324 error = bus_dma_tag_create(
325 bus_get_dma_tag(dev), /* parent */
326 1, 0, /* alignment, boundary */
327 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
328 BUS_SPACE_MAXADDR, /* highaddr */
329 NULL, NULL, /* filter, filterarg */
330 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
332 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
334 NULL, NULL, /* lockfunc, lockarg */
337 device_printf(dev, "cannot allocate parent DMA tag\n");
341 sc->sc_memsize = LE_ISA_MEMSIZE;
343 * For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte
344 * aligned and the ring descriptors must be 8-byte aligned.
346 error = bus_dma_tag_create(
347 lesc->sc_pdmat, /* parent */
348 8, 0, /* alignment, boundary */
349 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
350 BUS_SPACE_MAXADDR, /* highaddr */
351 NULL, NULL, /* filter, filterarg */
352 sc->sc_memsize, /* maxsize */
354 sc->sc_memsize, /* maxsegsize */
356 NULL, NULL, /* lockfunc, lockarg */
359 device_printf(dev, "cannot allocate buffer DMA tag\n");
363 error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
364 BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
366 device_printf(dev, "cannot allocate DMA buffer memory\n");
371 error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
372 sc->sc_memsize, le_isa_dma_callback, sc, 0);
373 if (error != 0 || sc->sc_addr == 0) {
374 device_printf(dev, "cannot load DMA buffer map\n");
378 isa_dmacascade(rman_get_start(lesc->sc_dres));
384 * Extract the physical MAC address from the ROM.
386 for (i = 0; i < sizeof(sc->sc_enaddr); i++)
387 sc->sc_enaddr[i] = bus_read_1(lesc->sc_rres,
388 macstart + i * macstride);
390 sc->sc_copytodesc = lance_copytobuf_contig;
391 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
392 sc->sc_copytobuf = lance_copytobuf_contig;
393 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
394 sc->sc_zerobuf = lance_zerobuf_contig;
396 sc->sc_rdcsr = le_isa_rdcsr;
397 sc->sc_wrcsr = le_isa_wrcsr;
398 sc->sc_hwreset = NULL;
399 sc->sc_hwinit = NULL;
400 sc->sc_hwintr = NULL;
401 sc->sc_nocarrier = NULL;
402 sc->sc_mediachange = NULL;
403 sc->sc_mediastatus = NULL;
404 sc->sc_supmedia = NULL;
406 error = am7990_config(&lesc->sc_am7990, device_get_name(dev),
407 device_get_unit(dev));
409 device_printf(dev, "cannot attach Am7990\n");
413 error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE,
414 NULL, am7990_intr, sc, &lesc->sc_ih);
416 device_printf(dev, "cannot set up interrupt\n");
423 am7990_detach(&lesc->sc_am7990);
425 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
427 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
429 bus_dma_tag_destroy(lesc->sc_dmat);
431 bus_dma_tag_destroy(lesc->sc_pdmat);
433 bus_release_resource(dev, SYS_RES_IRQ,
434 rman_get_rid(lesc->sc_ires), lesc->sc_ires);
436 bus_release_resource(dev, SYS_RES_DRQ,
437 rman_get_rid(lesc->sc_dres), lesc->sc_dres);
439 bus_release_resource(dev, SYS_RES_IOPORT,
440 rman_get_rid(lesc->sc_rres), lesc->sc_rres);
447 le_isa_detach(device_t dev)
449 struct le_isa_softc *lesc;
450 struct lance_softc *sc;
452 lesc = device_get_softc(dev);
453 sc = &lesc->sc_am7990.lsc;
455 bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
456 am7990_detach(&lesc->sc_am7990);
457 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
458 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
459 bus_dma_tag_destroy(lesc->sc_dmat);
460 bus_dma_tag_destroy(lesc->sc_pdmat);
461 bus_release_resource(dev, SYS_RES_IRQ,
462 rman_get_rid(lesc->sc_ires), lesc->sc_ires);
463 bus_release_resource(dev, SYS_RES_DRQ,
464 rman_get_rid(lesc->sc_dres), lesc->sc_dres);
465 bus_release_resource(dev, SYS_RES_IOPORT,
466 rman_get_rid(lesc->sc_rres), lesc->sc_rres);
473 le_isa_suspend(device_t dev)
475 struct le_isa_softc *lesc;
477 lesc = device_get_softc(dev);
479 lance_suspend(&lesc->sc_am7990.lsc);
485 le_isa_resume(device_t dev)
487 struct le_isa_softc *lesc;
489 lesc = device_get_softc(dev);
491 lance_resume(&lesc->sc_am7990.lsc);
496 DEFINE_CLASS_0(le, le_isa_driver, le_isa_methods, sizeof(struct le_isa_softc));
497 DRIVER_MODULE(le, isa, le_isa_driver, le_devclass, 0, 0);
498 MODULE_DEPEND(le, ether, 1, 1, 1);
499 ISA_PNP_INFO(le_isa_ids);