if_ed_pccard.c revision 141881
1/*-
2 * Copyright (c) 1995, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/ed/if_ed_pccard.c 141881 2005-02-14 06:54:06Z imp $
28 */
29
30#include "opt_ed.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/socket.h>
35#include <sys/kernel.h>
36#include <sys/conf.h>
37#include <sys/uio.h>
38
39#include <sys/module.h>
40#include <sys/bus.h>
41#include <machine/bus.h>
42#include <sys/rman.h>
43#include <machine/resource.h>
44
45#include <net/ethernet.h>
46#include <net/if.h>
47#include <net/if_arp.h>
48#include <net/if_mib.h>
49#include <net/if_media.h>
50
51#include <dev/ed/if_edreg.h>
52#include <dev/ed/if_edvar.h>
53#include <dev/pccard/pccardvar.h>
54#include <dev/pccard/pccard_cis.h>
55#ifndef ED_NO_MIIBUS
56#include <dev/mii/mii.h>
57#include <dev/mii/miivar.h>
58#endif
59
60#include "card_if.h"
61#ifndef ED_NO_MIIBUS
62/* "device miibus" required.  See GENERIC if you get errors here. */
63#include "miibus_if.h"
64#endif
65#include "pccarddevs.h"
66
67#ifndef ED_NO_MIIBUS
68MODULE_DEPEND(ed, miibus, 1, 1, 1);
69#endif
70MODULE_DEPEND(ed, ether, 1, 1, 1);
71
72/*
73 * PC Cards should be using a network specific FUNCE in the CIS to
74 * communicate their MAC address to the driver.  However, there are a
75 * large number of NE-2000ish PC Cards that don't do this.  Nearly all
76 * of them store the MAC address at a fixed offset into attribute
77 * memory, without any reference at all appearing in the CIS.  And
78 * nearly all of those store it at the same location.
79 */
80#define ED_DEFAULT_MAC_OFFSET	0xff0
81
82/*
83 *      PC-Card (PCMCIA) specific code.
84 */
85static int	ed_pccard_match(device_t);
86static int	ed_pccard_probe(device_t);
87static int	ed_pccard_attach(device_t);
88
89static int	ed_pccard_ax88190(device_t dev);
90
91static void	ax88190_geteprom(struct ed_softc *);
92static int	ed_pccard_memread(device_t dev, off_t offset, u_char *byte);
93static int	ed_pccard_memwrite(device_t dev, off_t offset, u_char byte);
94#ifndef ED_NO_MIIBUS
95static void	ed_pccard_dlink_mii_reset(struct ed_softc *sc);
96static u_int	ed_pccard_dlink_mii_readbits(struct ed_softc *sc, int nbits);
97static void	ed_pccard_dlink_mii_writebits(struct ed_softc *sc, u_int val,
98    int nbits);
99#endif
100static int	ed_pccard_Linksys(device_t dev);
101
102static const struct ed_product {
103	struct pccard_product	prod;
104	int flags;
105#define	NE2000DVF_DL10019	0x0001		/* chip is D-Link DL10019 */
106#define	NE2000DVF_AX88190	0x0002		/* chip is ASIX AX88190 */
107#define NE2000DVF_ENADDR	0x0004		/* Get MAC from attr mem */
108	int enoff;
109} ed_pccard_products[] = {
110	{ PCMCIA_CARD(ACCTON, EN2212, 0), 0},
111	{ PCMCIA_CARD(ACCTON, EN2216, 0), 0},
112	{ PCMCIA_CARD(ALLIEDTELESIS, LA_PCM, 0), 0},
113	{ PCMCIA_CARD(AMBICOM, AMB8002T, 0), 0},
114	{ PCMCIA_CARD(BILLIONTON, LNT10TN, 0), 0},
115	{ PCMCIA_CARD(BILLIONTON, CFLT10N, 0), 0},
116	{ PCMCIA_CARD(BUFFALO, LPC3_CLT,  0), 0},
117	{ PCMCIA_CARD(BUFFALO, LPC3_CLX,  0), NE2000DVF_AX88190},
118	{ PCMCIA_CARD(BUFFALO, LPC_CF_CLT,  0), 0},
119	{ PCMCIA_CARD(CNET, NE2000, 0), 0},
120	{ PCMCIA_CARD(COMPEX, LINKPORT_ENET_B, 0), 0},
121	{ PCMCIA_CARD(COREGA, ETHER_II_PCC_T, 0), 0},
122	{ PCMCIA_CARD(COREGA, ETHER_II_PCC_TD, 0), 0},
123	{ PCMCIA_CARD(COREGA, ETHER_PCC_T, 0), 0},
124	{ PCMCIA_CARD(COREGA, ETHER_PCC_TD, 0), 0},
125	{ PCMCIA_CARD(COREGA, FAST_ETHER_PCC_TX, 0), NE2000DVF_DL10019 },
126	{ PCMCIA_CARD(COREGA, FETHER_PCC_TXD, 0), NE2000DVF_AX88190 },
127	{ PCMCIA_CARD(COREGA, FETHER_PCC_TXF, 0), NE2000DVF_DL10019 },
128	{ PCMCIA_CARD(DAYNA, COMMUNICARD_E_1, 0), 0},
129	{ PCMCIA_CARD(DAYNA, COMMUNICARD_E_2, 0), 0},
130	{ PCMCIA_CARD(DLINK, DE650, 0), 0},
131	{ PCMCIA_CARD(DLINK, DE660, 0), 0 },
132	{ PCMCIA_CARD(DLINK, DE660PLUS, 0), 0},
133	{ PCMCIA_CARD(DLINK, DFE670TXD, 0), NE2000DVF_DL10019},
134	{ PCMCIA_CARD(DYNALINK, L10C, 0), 0},
135	{ PCMCIA_CARD(EDIMAX, EP4000A, 0), 0},
136	{ PCMCIA_CARD(EPSON, EEN10B, 0), 0},
137	{ PCMCIA_CARD(EXP, THINLANCOMBO, 0), 0},
138	{ PCMCIA_CARD(GREY_CELL, DMF650TX, 0), 0},
139	{ PCMCIA_CARD(IBM, HOME_AND_AWAY, 0), 0},
140	{ PCMCIA_CARD(IBM, INFOMOVER, 0), NE2000DVF_ENADDR, 0xff0},
141	{ PCMCIA_CARD(IODATA3, PCLAT, 0), 0},
142	{ PCMCIA_CARD(KINGSTON, KNE2, 0), 0},
143	{ PCMCIA_CARD(LANTECH, FASTNETTX, 0),NE2000DVF_AX88190 },
144	{ PCMCIA_CARD(LINKSYS, COMBO_ECARD, 0),
145	    NE2000DVF_DL10019 | NE2000DVF_AX88190 },
146	{ PCMCIA_CARD(LINKSYS, ECARD_1, 0), 0},
147	{ PCMCIA_CARD(LINKSYS, ECARD_2, 0), 0},
148	{ PCMCIA_CARD(LINKSYS, ETHERFAST, 0), NE2000DVF_DL10019 },
149	{ PCMCIA_CARD(LINKSYS, TRUST_COMBO_ECARD, 0), 0},
150	{ PCMCIA_CARD(MACNICA, ME1_JEIDA, 0), 0},
151	{ PCMCIA_CARD(MAGICRAM, ETHER, 0), 0},
152	{ PCMCIA_CARD(MELCO, LPC3_CLX,  0), NE2000DVF_AX88190 },
153	{ PCMCIA_CARD(MELCO, LPC3_TX, 0), NE2000DVF_AX88190 },
154	{ PCMCIA_CARD(NDC, ND5100_E, 0), 0},
155	{ PCMCIA_CARD(NETGEAR, FA410TXC, 0), NE2000DVF_DL10019},
156	{ PCMCIA_CARD(NETGEAR, FA411, 0), NE2000DVF_AX88190},
157	{ PCMCIA_CARD(NEXTCOM, NEXTHAWK, 0), 0},
158	{ PCMCIA_CARD(PLANET, SMARTCOM2000, 0), 0 },
159	{ PCMCIA_CARD(PREMAX, PE200, 0), 0},
160	{ PCMCIA_CARD(RACORE, ETHERNET, 0), 0},
161	{ PCMCIA_CARD(RPTI, EP400, 0), 0},
162	{ PCMCIA_CARD(RPTI, EP401, 0), 0},
163	{ PCMCIA_CARD(SMC, EZCARD, 0), 0},
164	{ PCMCIA_CARD(SOCKET, EA_ETHER, 0), 0},
165	{ PCMCIA_CARD(SOCKET, LP_ETHER, 0), 0},
166	{ PCMCIA_CARD(SOCKET, LP_ETHER_CF, 0), 0},
167	{ PCMCIA_CARD(SOCKET, LP_ETH_10_100_CF, 0), NE2000DVF_DL10019},
168	{ PCMCIA_CARD(SVEC, COMBOCARD, 0), 0},
169	{ PCMCIA_CARD(SVEC, LANCARD, 0), 0},
170	{ PCMCIA_CARD(SYNERGY21, S21810, 0), 0},
171	{ PCMCIA_CARD(TDK, LAK_CD031, 0), 0},
172	{ PCMCIA_CARD(TELECOMDEVICE, TCD_HPC100, 0), NE2000DVF_AX88190 },
173	{ PCMCIA_CARD(XIRCOM, CFE_10, 0), 0},
174	{ PCMCIA_CARD(ZONET, ZEN, 0), 0},
175	{ { NULL } }
176};
177
178static int
179ed_pccard_match(device_t dev)
180{
181	const struct ed_product *pp;
182	int		error;
183	uint32_t	fcn = PCCARD_FUNCTION_UNSPEC;
184
185	/* Make sure we're a network function */
186	error = pccard_get_function(dev, &fcn);
187	if (error != 0)
188		return (error);
189	if (fcn != PCCARD_FUNCTION_NETWORK)
190		return (ENXIO);
191
192	if ((pp = (const struct ed_product *) pccard_product_lookup(dev,
193	    (const struct pccard_product *) ed_pccard_products,
194	    sizeof(ed_pccard_products[0]), NULL)) != NULL) {
195		if (pp->prod.pp_name != NULL)
196			device_set_desc(dev, pp->prod.pp_name);
197		return (0);
198	}
199	return (ENXIO);
200}
201
202/*
203 * Probe framework for pccards.  Replicates the standard framework,
204 * minus the pccard driver registration and ignores the ether address
205 * supplied (from the CIS), relying on the probe to find it instead.
206 */
207static int
208ed_pccard_probe(device_t dev)
209{
210	const struct ed_product *pp;
211	int	error;
212
213	if ((pp = (const struct ed_product *) pccard_product_lookup(dev,
214	    (const struct pccard_product *) ed_pccard_products,
215	    sizeof(ed_pccard_products[0]), NULL)) == NULL)
216		return (ENXIO);
217	if (pp->flags & NE2000DVF_DL10019) {
218		error = ed_probe_Novell(dev, 0, 0);
219		if (error == 0)
220			error = ed_pccard_Linksys(dev);
221		ed_release_resources(dev);
222		if (error == 0)
223			goto end2;
224	}
225	if (pp->flags & NE2000DVF_AX88190) {
226		error = ed_pccard_ax88190(dev);
227		if (error == 0)
228			goto end2;
229	}
230	error = ed_probe_Novell(dev, 0, 0);
231end2:
232	if (error == 0)
233		error = ed_alloc_irq(dev, 0, 0);
234
235	ed_release_resources(dev);
236	return (error);
237}
238
239static int
240ed_pccard_attach(device_t dev)
241{
242	int error;
243	int i;
244	struct ed_softc *sc = device_get_softc(dev);
245	u_char sum;
246	u_char enaddr[ETHER_ADDR_LEN];
247	const struct ed_product *pp;
248
249	if ((pp = (const struct ed_product *) pccard_product_lookup(dev,
250	    (const struct pccard_product *) ed_pccard_products,
251	    sizeof(ed_pccard_products[0]), NULL)) == NULL)
252		return (ENXIO);
253	if (sc->port_used > 0)
254		ed_alloc_port(dev, sc->port_rid, sc->port_used);
255	if (sc->mem_used)
256		ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
257	ed_alloc_irq(dev, sc->irq_rid, 0);
258
259	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, edintr, sc,
260	    &sc->irq_handle);
261	if (error) {
262		device_printf(dev, "setup intr failed %d \n", error);
263		ed_release_resources(dev);
264		return (error);
265	}
266
267	/*
268	 * For the older cards, we have to get the MAC address from the
269	 * card in some way.  Let's try the standard way first.  If that
270	 * fails, check to see if the card has a hint about where to look
271	 * in its CIS.  If that fails, maybe we should look at some default
272	 * value.  In all fails, we should fail the attach, but don't right
273	 * now.
274	 */
275	if (sc->chip_type == ED_CHIP_TYPE_DP8390) {
276		pccard_get_ether(dev, enaddr);
277		if (bootverbose)
278			device_printf(dev, "CIS MAC %6D\n", enaddr, ":");
279		for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
280			sum |= enaddr[i];
281		if (sum == 0 && pp->flags & NE2000DVF_ENADDR) {
282			for (i = 0; i < ETHER_ADDR_LEN; i++) {
283				ed_pccard_memread(dev, pp->enoff + i * 2,
284				    enaddr + i);
285				sum |= enaddr[i];
286			}
287			if (bootverbose)
288				device_printf(dev, "Hint MAC %6D\n", enaddr,
289				    ":");
290		}
291		if (sum == 0) {
292			for (i = 0; i < ETHER_ADDR_LEN; i++) {
293				ed_pccard_memread(dev, ED_DEFAULT_MAC_OFFSET +
294				    i * 2, enaddr + i);
295				sum |= enaddr[i];
296			}
297			if (bootverbose)
298				device_printf(dev, "Fallback MAC %6D\n",
299				    enaddr, ":");
300		}
301		if (sum == 0) {
302			device_printf(dev, "Cannot extract MAC address.\n");
303			ed_release_resources(dev);
304			return (ENXIO);
305		}
306		bcopy(enaddr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
307	}
308
309	error = ed_attach(dev);
310#ifndef ED_NO_MIIBUS
311 	if (error == 0 && (sc->chip_type == ED_CHIP_TYPE_DL10019 ||
312		sc->chip_type == ED_CHIP_TYPE_DL10022)) {
313		/* Probe for an MII bus, but ignore errors. */
314		ed_pccard_dlink_mii_reset(sc);
315		sc->mii_readbits = ed_pccard_dlink_mii_readbits;
316		sc->mii_writebits = ed_pccard_dlink_mii_writebits;
317		mii_phy_probe(dev, &sc->miibus, ed_ifmedia_upd,
318		    ed_ifmedia_sts);
319	}
320#endif
321	return (error);
322}
323
324static void
325ax88190_geteprom(struct ed_softc *sc)
326{
327	int prom[16],i;
328	u_char tmp;
329	struct {
330		unsigned char offset, value;
331	} pg_seq[] = {
332		{ED_P0_CR, ED_CR_RD2|ED_CR_STP},/* Select Page0 */
333		{ED_P0_DCR, 0x01},
334		{ED_P0_RBCR0, 0x00},		/* Clear the count regs. */
335		{ED_P0_RBCR1, 0x00},
336		{ED_P0_IMR, 0x00},		/* Mask completion irq. */
337		{ED_P0_ISR, 0xff},
338		{ED_P0_RCR, ED_RCR_MON | ED_RCR_INTT}, /* Set To Monitor */
339		{ED_P0_TCR, ED_TCR_LB0},	/* loopback mode. */
340		{ED_P0_RBCR0, 32},
341		{ED_P0_RBCR1, 0x00},
342		{ED_P0_RSAR0, 0x00},
343		{ED_P0_RSAR1, 0x04},
344		{ED_P0_CR ,ED_CR_RD0 | ED_CR_STA},
345	};
346
347	/* Reset Card */
348	tmp = ed_asic_inb(sc, ED_NOVELL_RESET);
349	ed_asic_outb(sc, ED_NOVELL_RESET, tmp);
350	DELAY(5000);
351	ed_asic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
352	DELAY(5000);
353
354	/* Card Settings */
355	for (i = 0; i < sizeof(pg_seq) / sizeof(pg_seq[0]); i++)
356		ed_nic_outb(sc, pg_seq[i].offset, pg_seq[i].value);
357
358	/* Get Data */
359	for (i = 0; i < 16; i++)
360		prom[i] = ed_asic_inb(sc, 0);
361	sc->arpcom.ac_enaddr[0] = prom[0] & 0xff;
362	sc->arpcom.ac_enaddr[1] = prom[0] >> 8;
363	sc->arpcom.ac_enaddr[2] = prom[1] & 0xff;
364	sc->arpcom.ac_enaddr[3] = prom[1] >> 8;
365	sc->arpcom.ac_enaddr[4] = prom[2] & 0xff;
366	sc->arpcom.ac_enaddr[5] = prom[2] >> 8;
367}
368
369static int
370ed_pccard_memwrite(device_t dev, off_t offset, u_char byte)
371{
372	int cis_rid;
373	struct resource *cis;
374
375	cis_rid = 0;
376	cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0,
377	    4 << 10, RF_ACTIVE | RF_SHAREABLE);
378	if (cis == NULL)
379		return (ENXIO);
380	CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
381	    cis_rid, PCCARD_A_MEM_ATTR);
382
383	bus_space_write_1(rman_get_bustag(cis), rman_get_bushandle(cis),
384	    offset, byte);
385
386	bus_deactivate_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
387	bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
388
389	return (0);
390}
391
392static int
393ed_pccard_memread(device_t dev, off_t offset, u_char *byte)
394{
395	int cis_rid;
396	struct resource *cis;
397
398	cis_rid = 0;
399	cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0,
400	    4 << 10, RF_ACTIVE | RF_SHAREABLE);
401	if (cis == NULL)
402		return (ENXIO);
403	CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
404	    cis_rid, PCCARD_A_MEM_ATTR);
405
406	*byte = bus_space_read_1(rman_get_bustag(cis), rman_get_bushandle(cis),
407	    offset);
408
409	bus_deactivate_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
410	bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis);
411
412	return (0);
413}
414
415/*
416 * Probe the Ethernet MAC addrees for PCMCIA Linksys EtherFast 10/100
417 * and compatible cards (DL10019C Ethernet controller).
418 *
419 * Note: The PAO patches try to use more memory for the card, but that
420 * seems to fail for my card.  A future optimization would add this back
421 * conditionally.
422 */
423static int
424ed_pccard_Linksys(device_t dev)
425{
426	struct ed_softc *sc = device_get_softc(dev);
427	u_char sum;
428	uint8_t id;
429	int i;
430
431	/*
432	 * Linksys registers(offset from ASIC base)
433	 *
434	 * 0x04-0x09 : Physical Address Register 0-5 (PAR0-PAR5)
435	 * 0x0A      : Card ID Register (CIR)
436	 * 0x0B      : Check Sum Register (SR)
437	 */
438	for (sum = 0, i = 0x04; i < 0x0c; i++)
439		sum += ed_asic_inb(sc, i);
440	if (sum != 0xff)
441		return (ENXIO);		/* invalid DL10019C */
442	for (i = 0; i < ETHER_ADDR_LEN; i++)
443		sc->arpcom.ac_enaddr[i] = ed_asic_inb(sc, 0x04 + i);
444	ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
445	id = ed_asic_inb(sc, 0xf);
446	sc->isa16bit = 1;
447	sc->vendor = ED_VENDOR_NOVELL;
448	sc->type = ED_TYPE_NE2000;
449	sc->chip_type = (id & 0x90) == 0x90 ?
450	    ED_CHIP_TYPE_DL10022 : ED_CHIP_TYPE_DL10019;
451	sc->type_str = ((id & 0x90) == 0x90) ? "DL10022" : "DL10019";
452	return (0);
453}
454
455/*
456 * Special setup for AX88190
457 */
458static int
459ed_pccard_ax88190(device_t dev)
460{
461	int	error;
462	int	flags = device_get_flags(dev);
463	int	iobase;
464	struct	ed_softc *sc = device_get_softc(dev);
465
466	/* Allocate the port resource during setup. */
467	error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS);
468	if (error)
469		return (error);
470
471	sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
472	sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
473	sc->chip_type = ED_CHIP_TYPE_AX88190;
474
475	/*
476	 * Set Attribute Memory IOBASE Register.  Is this a deficiency in
477	 * the PC Card layer, or an ax88190 specific issue? xxx
478	 */
479	iobase = rman_get_start(sc->port_res);
480	ed_pccard_memwrite(dev, ED_AX88190_IOBASE0, iobase & 0xff);
481	ed_pccard_memwrite(dev, ED_AX88190_IOBASE1, (iobase >> 8) & 0xff);
482	sc->type_str = "AX88190";
483	if (ed_asic_inb(sc, ED_ASIX_TEST) != 0) {
484		ed_pccard_memwrite(dev, ED_AX88790_CSR, ED_AX88790_CSR_PWRDWN);
485		sc->type_str = "AX88790";
486	}
487	ax88190_geteprom(sc);
488	ed_release_resources(dev);
489	error = ed_probe_Novell(dev, 0, flags);
490	if (error == 0) {
491		sc->vendor = ED_VENDOR_NOVELL;
492		sc->type = ED_TYPE_NE2000;
493	}
494	return (error);
495}
496
497#ifndef ED_NO_MIIBUS
498/* MII bit-twiddling routines for cards using Dlink chipset */
499#define DLINK_MIISET(sc, x) ed_asic_outb(sc, ED_DLINK_MIIBUS, \
500    ed_asic_inb(sc, ED_DLINK_MIIBUS) | (x))
501#define DLINK_MIICLR(sc, x) ed_asic_outb(sc, ED_DLINK_MIIBUS, \
502    ed_asic_inb(sc, ED_DLINK_MIIBUS) & ~(x))
503
504static void
505ed_pccard_dlink_mii_reset(sc)
506	struct ed_softc *sc;
507{
508	if (sc->chip_type != ED_CHIP_TYPE_DL10022)
509		return;
510
511	ed_asic_outb(sc, ED_DLINK_MIIBUS, ED_DLINK_MII_RESET2);
512	DELAY(10);
513	ed_asic_outb(sc, ED_DLINK_MIIBUS,
514	    ED_DLINK_MII_RESET2 | ED_DLINK_MII_RESET1);
515	DELAY(10);
516	ed_asic_outb(sc, ED_DLINK_MIIBUS, ED_DLINK_MII_RESET2);
517	DELAY(10);
518	ed_asic_outb(sc, ED_DLINK_MIIBUS,
519	    ED_DLINK_MII_RESET2 | ED_DLINK_MII_RESET1);
520	DELAY(10);
521	ed_asic_outb(sc, ED_DLINK_MIIBUS, 0);
522}
523
524static void
525ed_pccard_dlink_mii_writebits(sc, val, nbits)
526	struct ed_softc *sc;
527	u_int val;
528	int nbits;
529{
530	int i;
531
532	if (sc->chip_type == ED_CHIP_TYPE_DL10022)
533		DLINK_MIISET(sc, ED_DLINK_MII_DIROUT_22);
534	else
535		DLINK_MIISET(sc, ED_DLINK_MII_DIROUT_19);
536
537	for (i = nbits - 1; i >= 0; i--) {
538		if ((val >> i) & 1)
539			DLINK_MIISET(sc, ED_DLINK_MII_DATAOUT);
540		else
541			DLINK_MIICLR(sc, ED_DLINK_MII_DATAOUT);
542		DELAY(10);
543		DLINK_MIISET(sc, ED_DLINK_MII_CLK);
544		DELAY(10);
545		DLINK_MIICLR(sc, ED_DLINK_MII_CLK);
546		DELAY(10);
547	}
548}
549
550static u_int
551ed_pccard_dlink_mii_readbits(sc, nbits)
552	struct ed_softc *sc;
553	int nbits;
554{
555	int i;
556	u_int val = 0;
557
558	if (sc->chip_type == ED_CHIP_TYPE_DL10022)
559		DLINK_MIICLR(sc, ED_DLINK_MII_DIROUT_22);
560	else
561		DLINK_MIICLR(sc, ED_DLINK_MII_DIROUT_19);
562
563	for (i = nbits - 1; i >= 0; i--) {
564		DLINK_MIISET(sc, ED_DLINK_MII_CLK);
565		DELAY(10);
566		val <<= 1;
567		if (ed_asic_inb(sc, ED_DLINK_MIIBUS) & ED_DLINK_MII_DATATIN)
568			val++;
569		DLINK_MIICLR(sc, ED_DLINK_MII_CLK);
570		DELAY(10);
571	}
572
573	return val;
574}
575#endif
576
577static device_method_t ed_pccard_methods[] = {
578	/* Device interface */
579	DEVMETHOD(device_probe,		pccard_compat_probe),
580	DEVMETHOD(device_attach,	pccard_compat_attach),
581	DEVMETHOD(device_detach,	ed_detach),
582
583#ifndef ED_NO_MIIBUS
584	/* Bus interface */
585	DEVMETHOD(bus_child_detached,	ed_child_detached),
586
587	/* MII interface */
588	DEVMETHOD(miibus_readreg,	ed_miibus_readreg),
589	DEVMETHOD(miibus_writereg,	ed_miibus_writereg),
590#endif
591
592	/* Card interface */
593	DEVMETHOD(card_compat_match,	ed_pccard_match),
594	DEVMETHOD(card_compat_probe,	ed_pccard_probe),
595	DEVMETHOD(card_compat_attach,	ed_pccard_attach),
596	{ 0, 0 }
597};
598
599static driver_t ed_pccard_driver = {
600	"ed",
601	ed_pccard_methods,
602	sizeof(struct ed_softc)
603};
604
605DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_devclass, 0, 0);
606#ifndef ED_NO_MIIBUS
607DRIVER_MODULE(miibus, ed, miibus_driver, miibus_devclass, 0, 0);
608#endif
609