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.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
41 * Copyright (c) 1992, 1993
42 * The Regents of the University of California. All rights reserved.
44 * This code is derived from software contributed to Berkeley by
45 * Ralph Campbell and Rick Macklem.
47 * Redistribution and use in source and binary forms, with or without
48 * modification, are permitted provided that the following conditions
50 * 1. Redistributions of source code must retain the above copyright
51 * notice, this list of conditions and the following disclaimer.
52 * 2. Redistributions in binary form must reproduce the above copyright
53 * notice, this list of conditions and the following disclaimer in the
54 * documentation and/or other materials provided with the distribution.
55 * 3. Neither the name of the University nor the names of its contributors
56 * may be used to endorse or promote products derived from this software
57 * without specific prior written permission.
59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * @(#)if_le.c 8.2 (Berkeley) 11/16/93
74 #include <sys/cdefs.h>
75 __FBSDID("$FreeBSD$");
77 #include <sys/param.h>
78 #include <sys/systm.h>
80 #include <sys/endian.h>
81 #include <sys/kernel.h>
83 #include <sys/module.h>
84 #include <sys/mutex.h>
85 #include <sys/resource.h>
87 #include <sys/socket.h>
89 #include <net/ethernet.h>
91 #include <net/if_media.h>
93 #include <machine/bus.h>
94 #include <machine/resource.h>
96 #include <isa/isavar.h>
98 #include <dev/le/lancereg.h>
99 #include <dev/le/lancevar.h>
100 #include <dev/le/am7990var.h>
102 #define LE_ISA_MEMSIZE (16*1024)
103 #define PCNET_RDP 0x10
104 #define PCNET_RAP 0x12
106 struct le_isa_softc {
107 struct am7990_softc sc_am7990; /* glue to MI code */
109 bus_size_t sc_rap; /* offsets to LANCE... */
110 bus_size_t sc_rdp; /* ...registers */
113 struct resource *sc_rres;
114 bus_space_tag_t sc_regt;
115 bus_space_handle_t sc_regh;
118 struct resource *sc_dres;
121 struct resource *sc_ires;
124 bus_dma_tag_t sc_pdmat;
125 bus_dma_tag_t sc_dmat;
126 bus_dmamap_t sc_dmam;
129 static device_probe_t le_isa_probe;
130 static device_attach_t le_isa_attach;
131 static device_detach_t le_isa_detach;
132 static device_resume_t le_isa_resume;
133 static device_suspend_t le_isa_suspend;
135 static device_method_t le_isa_methods[] = {
136 /* Device interface */
137 DEVMETHOD(device_probe, le_isa_probe),
138 DEVMETHOD(device_attach, le_isa_attach),
139 DEVMETHOD(device_detach, le_isa_detach),
140 /* We can just use the suspend method here. */
141 DEVMETHOD(device_shutdown, le_isa_suspend),
142 DEVMETHOD(device_suspend, le_isa_suspend),
143 DEVMETHOD(device_resume, le_isa_resume),
148 DEFINE_CLASS_0(le, le_isa_driver, le_isa_methods, sizeof(struct le_isa_softc));
149 DRIVER_MODULE(le, isa, le_isa_driver, le_devclass, 0, 0);
150 MODULE_DEPEND(le, ether, 1, 1, 1);
152 struct le_isa_param {
159 } static const le_isa_params[] = {
160 { "BICC Isolan", 24, 0xe, 0xc, 0, 2 },
161 { "Novell NE2100", 16, 0x12, 0x10, 0, 1 }
164 static struct isa_pnp_id le_isa_ids[] = {
165 { 0x0322690e, "Cabletron E2200 Single Chip" }, /* CSI2203 */
166 { 0x0110490a, "Boca LANCard Combo" }, /* BRI1001 */
167 { 0x0100a60a, "Melco Inc. LGY-IV" }, /* BUF0001 */
168 { 0xd880d041, "Novell NE2100" }, /* PNP80D8 */
169 { 0x0082d041, "Cabletron E2100 Series DNI" }, /* PNP8200 */
170 { 0x3182d041, "AMD AM1500T/AM2100" }, /* PNP8231 */
171 { 0x8c82d041, "AMD PCnet-ISA" }, /* PNP828C */
172 { 0x8d82d041, "AMD PCnet-32" }, /* PNP828D */
173 { 0xcefaedfe, "Racal InterLan EtherBlaster" }, /* _WMFACE */
177 static void le_isa_wrcsr(struct lance_softc *, uint16_t, uint16_t);
178 static uint16_t le_isa_rdcsr(struct lance_softc *, uint16_t);
179 static bus_dmamap_callback_t le_isa_dma_callback;
180 static int le_isa_probe_legacy(device_t, const struct le_isa_param *);
183 le_isa_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val)
185 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
187 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port);
188 bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2,
189 BUS_SPACE_BARRIER_WRITE);
190 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rdp, val);
194 le_isa_rdcsr(struct lance_softc *sc, uint16_t port)
196 struct le_isa_softc *lesc = (struct le_isa_softc *)sc;
198 bus_space_write_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, port);
199 bus_space_barrier(lesc->sc_regt, lesc->sc_regh, lesc->sc_rap, 2,
200 BUS_SPACE_BARRIER_WRITE);
201 return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, lesc->sc_rdp));
205 le_isa_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
207 struct lance_softc *sc = (struct lance_softc *)xsc;
211 KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__));
212 sc->sc_addr = segs[0].ds_addr;
216 le_isa_probe_legacy(device_t dev, const struct le_isa_param *leip)
218 struct le_isa_softc *lesc;
219 struct lance_softc *sc;
222 lesc = device_get_softc(dev);
223 sc = &lesc->sc_am7990.lsc;
226 lesc->sc_rres = bus_alloc_resource(dev, SYS_RES_IOPORT, &lesc->sc_rrid,
227 0, ~0, leip->iosize, RF_ACTIVE);
228 if (lesc->sc_rres == NULL)
230 lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
231 lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
232 lesc->sc_rap = leip->rap;
233 lesc->sc_rdp = leip->rdp;
235 /* Stop the chip and put it in a known state. */
236 le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP);
238 if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP) {
242 le_isa_wrcsr(sc, LE_CSR3, 0);
246 bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
251 le_isa_probe(device_t dev)
255 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
257 return (BUS_PROBE_DEFAULT);
259 for (i = 0; i < sizeof(le_isa_params) /
260 sizeof(le_isa_params[0]); i++) {
261 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
262 device_set_desc(dev, le_isa_params[i].name);
263 return (BUS_PROBE_DEFAULT);
274 le_isa_attach(device_t dev)
276 struct le_isa_softc *lesc;
277 struct lance_softc *sc;
278 bus_size_t macstart, rap, rdp;
279 int error, i, macstride;
281 lesc = device_get_softc(dev);
282 sc = &lesc->sc_am7990.lsc;
284 LE_LOCK_INIT(sc, device_get_nameunit(dev));
287 switch (ISA_PNP_PROBE(device_get_parent(dev), dev, le_isa_ids)) {
289 lesc->sc_rres = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
290 &lesc->sc_rrid, RF_ACTIVE);
297 for (i = 0; i < sizeof(le_isa_params) /
298 sizeof(le_isa_params[0]); i++) {
299 if (le_isa_probe_legacy(dev, &le_isa_params[i]) == 0) {
300 lesc->sc_rres = bus_alloc_resource(dev,
301 SYS_RES_IOPORT, &lesc->sc_rrid, 0, ~0,
302 le_isa_params[i].iosize, RF_ACTIVE);
303 rap = le_isa_params[i].rap;
304 rdp = le_isa_params[i].rdp;
305 macstart = le_isa_params[i].macstart;
306 macstride = le_isa_params[i].macstride;
313 device_printf(dev, "cannot determine chip\n");
319 if (lesc->sc_rres == NULL) {
320 device_printf(dev, "cannot allocate registers\n");
324 lesc->sc_regt = rman_get_bustag(lesc->sc_rres);
325 lesc->sc_regh = rman_get_bushandle(lesc->sc_rres);
330 if ((lesc->sc_dres = bus_alloc_resource_any(dev, SYS_RES_DRQ,
331 &lesc->sc_drid, RF_ACTIVE)) == NULL) {
332 device_printf(dev, "cannot allocate DMA channel\n");
338 if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
339 &lesc->sc_irid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
340 device_printf(dev, "cannot allocate interrupt\n");
345 error = bus_dma_tag_create(
346 bus_get_dma_tag(dev), /* parent */
347 1, 0, /* alignment, boundary */
348 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
349 BUS_SPACE_MAXADDR, /* highaddr */
350 NULL, NULL, /* filter, filterarg */
351 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
353 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
355 NULL, NULL, /* lockfunc, lockarg */
358 device_printf(dev, "cannot allocate parent DMA tag\n");
362 sc->sc_memsize = LE_ISA_MEMSIZE;
364 * For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte
365 * aligned and the ring descriptors must be 8-byte aligned.
367 error = bus_dma_tag_create(
368 lesc->sc_pdmat, /* parent */
369 8, 0, /* alignment, boundary */
370 BUS_SPACE_MAXADDR_24BIT, /* lowaddr */
371 BUS_SPACE_MAXADDR, /* highaddr */
372 NULL, NULL, /* filter, filterarg */
373 sc->sc_memsize, /* maxsize */
375 sc->sc_memsize, /* maxsegsize */
377 NULL, NULL, /* lockfunc, lockarg */
380 device_printf(dev, "cannot allocate buffer DMA tag\n");
384 error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem,
385 BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam);
387 device_printf(dev, "cannot allocate DMA buffer memory\n");
392 error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem,
393 sc->sc_memsize, le_isa_dma_callback, sc, 0);
394 if (error != 0 || sc->sc_addr == 0) {
395 device_printf(dev, "cannot load DMA buffer map\n");
399 isa_dmacascade(rman_get_start(lesc->sc_dres));
405 * Extract the physical MAC address from the ROM.
407 for (i = 0; i < sizeof(sc->sc_enaddr); i++)
408 sc->sc_enaddr[i] = bus_space_read_1(lesc->sc_regt,
409 lesc->sc_regh, macstart + i * macstride);
411 sc->sc_copytodesc = lance_copytobuf_contig;
412 sc->sc_copyfromdesc = lance_copyfrombuf_contig;
413 sc->sc_copytobuf = lance_copytobuf_contig;
414 sc->sc_copyfrombuf = lance_copyfrombuf_contig;
415 sc->sc_zerobuf = lance_zerobuf_contig;
417 sc->sc_rdcsr = le_isa_rdcsr;
418 sc->sc_wrcsr = le_isa_wrcsr;
419 sc->sc_hwreset = NULL;
420 sc->sc_hwinit = NULL;
421 sc->sc_hwintr = NULL;
422 sc->sc_nocarrier = NULL;
423 sc->sc_mediachange = NULL;
424 sc->sc_mediastatus = NULL;
425 sc->sc_supmedia = NULL;
427 error = am7990_config(&lesc->sc_am7990, device_get_name(dev),
428 device_get_unit(dev));
430 device_printf(dev, "cannot attach Am7990\n");
434 error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE,
435 NULL, am7990_intr, sc, &lesc->sc_ih);
437 device_printf(dev, "cannot set up interrupt\n");
444 am7990_detach(&lesc->sc_am7990);
446 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
448 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
450 bus_dma_tag_destroy(lesc->sc_dmat);
452 bus_dma_tag_destroy(lesc->sc_pdmat);
454 bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
456 bus_release_resource(dev, SYS_RES_DRQ, lesc->sc_drid, lesc->sc_dres);
458 bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
465 le_isa_detach(device_t dev)
467 struct le_isa_softc *lesc;
468 struct lance_softc *sc;
470 lesc = device_get_softc(dev);
471 sc = &lesc->sc_am7990.lsc;
473 bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
474 am7990_detach(&lesc->sc_am7990);
475 bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
476 bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
477 bus_dma_tag_destroy(lesc->sc_dmat);
478 bus_dma_tag_destroy(lesc->sc_pdmat);
479 bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
480 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);
488 le_isa_suspend(device_t dev)
490 struct le_isa_softc *lesc;
492 lesc = device_get_softc(dev);
494 lance_suspend(&lesc->sc_am7990.lsc);
500 le_isa_resume(device_t dev)
502 struct le_isa_softc *lesc;
504 lesc = device_get_softc(dev);
506 lance_resume(&lesc->sc_am7990.lsc);