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if_ne_pcmcia.c revision 1.21
      1 /*	$NetBSD: if_ne_pcmcia.c,v 1.21 1998/10/28 00:13:50 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following 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  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Marc Horowitz.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/select.h>
     35 #include <sys/device.h>
     36 #include <sys/socket.h>
     37 
     38 #include <net/if_types.h>
     39 #include <net/if.h>
     40 #include <net/if_media.h>
     41 #include <net/if_ether.h>
     42 
     43 #include <machine/bus.h>
     44 #include <machine/intr.h>
     45 
     46 #include <dev/pcmcia/pcmciareg.h>
     47 #include <dev/pcmcia/pcmciavar.h>
     48 #include <dev/pcmcia/pcmciadevs.h>
     49 
     50 #include <dev/ic/dp8390reg.h>
     51 #include <dev/ic/dp8390var.h>
     52 
     53 #include <dev/ic/ne2000reg.h>
     54 #include <dev/ic/ne2000var.h>
     55 
     56 int ne_pcmcia_match __P((struct device *, struct cfdata *, void *));
     57 void ne_pcmcia_attach __P((struct device *, struct device *, void *));
     58 
     59 int	ne_pcmcia_enable __P((struct dp8390_softc *));
     60 void	ne_pcmcia_disable __P((struct dp8390_softc *));
     61 
     62 struct ne_pcmcia_softc {
     63 	struct ne2000_softc sc_ne2000;		/* real "ne2000" softc */
     64 
     65 	/* PCMCIA-specific goo */
     66 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o information */
     67 	int sc_asic_io_window;			/* i/o window for ASIC */
     68 	int sc_nic_io_window;			/* i/o window for NIC */
     69 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
     70 	void *sc_ih;				/* interrupt handle */
     71 };
     72 
     73 struct cfattach ne_pcmcia_ca = {
     74 	sizeof(struct ne_pcmcia_softc), ne_pcmcia_match, ne_pcmcia_attach
     75 };
     76 
     77 struct ne2000dev {
     78     char *name;
     79     int32_t manufacturer;
     80     int32_t product;
     81     char *cis_info[4];
     82     int function;
     83     int enet_maddr;
     84     unsigned char enet_vendor[3];
     85 } ne2000devs[] = {
     86     { PCMCIA_STR_PREMAX_PE200,
     87       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
     88       PCMCIA_CIS_PREMAX_PE200,
     89       0, 0x07f0, { 0x00, 0x20, 0xe0 } },
     90 
     91     { PCMCIA_STR_DIGITAL_DEPCMXX,
     92       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
     93       PCMCIA_CIS_DIGITAL_DEPCMXX,
     94       0, 0x0ff0, { 0x00, 0x00, 0xe8 } },
     95 
     96     { PCMCIA_STR_PLANET_SMARTCOM2000,
     97       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
     98       PCMCIA_CIS_PLANET_SMARTCOM2000,
     99       0, 0xff0, { 0x00, 0x00, 0xe8 } },
    100 
    101     { PCMCIA_STR_DLINK_DE650,
    102       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    103       PCMCIA_CIS_DLINK_DE650,
    104       0, 0x0040, { 0x00, 0x80, 0xc8 } },
    105 
    106     { PCMCIA_STR_DLINK_DE660,
    107       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    108       PCMCIA_CIS_DLINK_DE660,
    109       0, -1, { 0x00, 0x80, 0xc8 } },
    110 
    111     { PCMCIA_STR_RPTI_EP401,
    112       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    113       PCMCIA_CIS_RPTI_EP401,
    114       0, -1, { 0x00, 0x40, 0x95 } },
    115 
    116     { PCMCIA_STR_ACCTON_EN2212,
    117       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    118       PCMCIA_CIS_ACCTON_EN2212,
    119       0, 0x0ff0, { 0x00, 0x00, 0xe8 } },
    120 
    121     /*
    122      * You have to add new entries which contains
    123      * PCMCIA_VENDOR_INVALID and/or PCMCIA_PRODUCT_INVALID
    124      * in front of this comment.
    125      *
    126      * There are cards which use a generic vendor and product id but needs
    127      * a different handling depending on the cis_info, so ne2000_match
    128      * needs a table where the exceptions comes first and then the normal
    129      * product and vendor entries.
    130      */
    131 
    132     { PCMCIA_STR_IBM_INFOMOVER,
    133       PCMCIA_VENDOR_IBM, PCMCIA_PRODUCT_IBM_INFOMOVER,
    134       PCMCIA_CIS_IBM_INFOMOVER,
    135       0, 0x0ff0, { 0x08, 0x00, 0x5a } },
    136 
    137     { PCMCIA_STR_LINKSYS_ECARD_1,
    138       PCMCIA_VENDOR_LINKSYS, PCMCIA_PRODUCT_LINKSYS_ECARD_1,
    139       PCMCIA_CIS_LINKSYS_ECARD_1,
    140       0, -1, { 0x00, 0x80, 0xc8 } },
    141 
    142     { PCMCIA_STR_LINKSYS_COMBO_ECARD,
    143       PCMCIA_VENDOR_LINKSYS, PCMCIA_PRODUCT_LINKSYS_COMBO_ECARD,
    144       PCMCIA_CIS_LINKSYS_COMBO_ECARD,
    145       0, -1, { 0x00, 0x80, 0xc8 } },
    146 
    147     { PCMCIA_STR_LINKSYS_TRUST_COMBO_ECARD,
    148       PCMCIA_VENDOR_LINKSYS, PCMCIA_PRODUCT_LINKSYS_TRUST_COMBO_ECARD,
    149       PCMCIA_CIS_LINKSYS_TRUST_COMBO_ECARD,
    150       0, 0x0120, { 0x20, 0x04, 0x49 } },
    151 
    152     /* Although the comments above say to put VENDOR/PRODUCT INVALID IDs
    153        above this list, we need to keep this one below the ECARD_1, or else
    154        both will match the same more-generic entry rather than the more
    155        specific one above with proper vendor and product IDs. */
    156     { PCMCIA_STR_LINKSYS_ECARD_2,
    157       PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
    158       PCMCIA_CIS_LINKSYS_ECARD_2,
    159       0, -1, { 0x00, 0x80, 0xc8 } },
    160 
    161     { PCMCIA_STR_IODATA_PCLAT,
    162       PCMCIA_VENDOR_IODATA, PCMCIA_PRODUCT_IODATA_PCLAT,
    163       PCMCIA_CIS_IODATA_PCLAT,
    164       /* two possible location, 0x01c0 or 0x0ff0 */
    165       0, -1, { 0x00, 0xa0, 0xb0 } },
    166 
    167     { PCMCIA_STR_DAYNA_COMMUNICARD_E_1,
    168       PCMCIA_VENDOR_DAYNA, PCMCIA_PRODUCT_DAYNA_COMMUNICARD_E_1,
    169       PCMCIA_CIS_DAYNA_COMMUNICARD_E_1,
    170       0, 0x0110, { 0x00, 0x80, 0x19 } },
    171 
    172     { PCMCIA_STR_DAYNA_COMMUNICARD_E_2,
    173       PCMCIA_VENDOR_DAYNA, PCMCIA_PRODUCT_DAYNA_COMMUNICARD_E_2,
    174       PCMCIA_CIS_DAYNA_COMMUNICARD_E_2,
    175       0, -1, { 0x00, 0x80, 0x19 } },
    176 #if 0
    177     /* the rest of these are stolen from the linux pcnet pcmcia device
    178        driver.  Since I don't know the manfid or cis info strings for
    179        any of them, they're not compiled in until I do. */
    180     { "Allied Telesis LA-PCM",
    181       0x0000, 0x0000, NULL, NULL, 0,
    182       0x0ff0, { 0x00, 0x00, 0xf4 } },
    183     { "APEX MultiCard",
    184       0x0000, 0x0000, NULL, NULL, 0,
    185       0x03f4, { 0x00, 0x20, 0xe5 } },
    186     { "ASANTE FriendlyNet",
    187       0x0000, 0x0000, NULL, NULL, 0,
    188       0x4910, { 0x00, 0x00, 0x94 } },
    189     { "Danpex EN-6200P2",
    190       0x0000, 0x0000, NULL, NULL, 0,
    191       0x0110, { 0x00, 0x40, 0xc7 } },
    192     { "DataTrek NetCard",
    193       0x0000, 0x0000, NULL, NULL, 0,
    194       0x0ff0, { 0x00, 0x20, 0xe8 } },
    195     { "Dayna CommuniCard E",
    196       0x0000, 0x0000, NULL, NULL, 0,
    197       0x0110, { 0x00, 0x80, 0x19 } },
    198     { "EP-210 Ethernet",
    199       0x0000, 0x0000, NULL, NULL, 0,
    200       0x0110, { 0x00, 0x40, 0x33 } },
    201     { "Epson EEN10B",
    202       0x0000, 0x0000, NULL, NULL, 0,
    203       0x0ff0, { 0x00, 0x00, 0x48 } },
    204     { "ELECOM Laneed LD-CDWA",
    205       0x0000, 0x0000, NULL, NULL, 0,
    206       0x00b8, { 0x08, 0x00, 0x42 } },
    207     { "Grey Cell GCS2220",
    208       0x0000, 0x0000, NULL, NULL, 0,
    209       0x0000, { 0x00, 0x47, 0x43 } },
    210     { "Hypertec Ethernet",
    211       0x0000, 0x0000, NULL, NULL, 0,
    212       0x01c0, { 0x00, 0x40, 0x4c } },
    213     { "IBM CCAE",
    214       0x0000, 0x0000, NULL, NULL, 0,
    215       0x0ff0, { 0x08, 0x00, 0x5a } },
    216     { "IBM CCAE",
    217       0x0000, 0x0000, NULL, NULL, 0,
    218       0x0ff0, { 0x00, 0x04, 0xac } },
    219     { "IBM CCAE",
    220       0x0000, 0x0000, NULL, NULL, 0,
    221       0x0ff0, { 0x00, 0x06, 0x29 } },
    222     { "IBM FME",
    223       0x0000, 0x0000, NULL, NULL, 0,
    224       0x0374, { 0x00, 0x04, 0xac } },
    225     { "IBM FME",
    226       0x0000, 0x0000, NULL, NULL, 0,
    227       0x0374, { 0x08, 0x00, 0x5a } },
    228     { "Katron PE-520",
    229       0x0000, 0x0000, NULL, NULL, 0,
    230       0x0110, { 0x00, 0x40, 0xf6 } },
    231     { "Kingston KNE-PCM/x",
    232       0x0000, 0x0000, NULL, NULL, 0,
    233       0x0ff0, { 0x00, 0xc0, 0xf0 } },
    234     { "Kingston KNE-PCM/x",
    235       0x0000, 0x0000, NULL, NULL, 0,
    236       0x0ff0, { 0xe2, 0x0c, 0x0f } },
    237     { "Kingston KNE-PC2",
    238       0x0000, 0x0000, NULL, NULL, 0,
    239       0x0180, { 0x00, 0xc0, 0xf0 } },
    240     { "Longshine LCS-8534",
    241       0x0000, 0x0000, NULL, NULL, 0,
    242       0x0000, { 0x08, 0x00, 0x00 } },
    243     { "Maxtech PCN2000",
    244       0x0000, 0x0000, NULL, NULL, 0,
    245       0x5000, { 0x00, 0x00, 0xe8 } },
    246     { "NDC Instant-Link",
    247       0x0000, 0x0000, NULL, NULL, 0,
    248       0x003a, { 0x00, 0x80, 0xc6 } },
    249     { "NE2000 Compatible",
    250       0x0000, 0x0000, NULL, NULL, 0,
    251       0x0ff0, { 0x00, 0xa0, 0x0c } },
    252     { "Network General Sniffer",
    253       0x0000, 0x0000, NULL, NULL, 0,
    254       0x0ff0, { 0x00, 0x00, 0x65 } },
    255     { "Panasonic VEL211",
    256       0x0000, 0x0000, NULL, NULL, 0,
    257       0x0ff0, { 0x00, 0x80, 0x45 } },
    258     { "SCM Ethernet",
    259       0x0000, 0x0000, NULL, NULL, 0,
    260       0x0ff0, { 0x00, 0x20, 0xcb } },
    261     { "Socket EA",
    262       0x0000, 0x0000, NULL, NULL, 0,
    263       0x4000, { 0x00, 0xc0, 0x1b } },
    264     { "Volktek NPL-402CT",
    265       0x0000, 0x0000, NULL, NULL, 0,
    266       0x0060, { 0x00, 0x40, 0x05 } },
    267 #endif
    268 };
    269 
    270 #define	NE2000_NDEVS	(sizeof(ne2000devs) / sizeof(ne2000devs[0]))
    271 
    272 #define ne2000_match(card, fct, n) \
    273 ((((((card)->manufacturer != PCMCIA_VENDOR_INVALID) && \
    274     ((card)->manufacturer == ne2000devs[(n)].manufacturer) && \
    275     ((card)->product != PCMCIA_PRODUCT_INVALID) && \
    276     ((card)->product == ne2000devs[(n)].product)) || \
    277    ((ne2000devs[(n)].cis_info[0]) && (ne2000devs[(n)].cis_info[1]) && \
    278     (strcmp((card)->cis1_info[0], ne2000devs[(n)].cis_info[0]) == 0) && \
    279     (strcmp((card)->cis1_info[1], ne2000devs[(n)].cis_info[1]) == 0))) && \
    280   ((fct) == ne2000devs[(n)].function))? \
    281  &ne2000devs[(n)]:NULL)
    282 
    283 int
    284 ne_pcmcia_match(parent, match, aux)
    285 	struct device *parent;
    286 	struct cfdata *match;
    287 	void *aux;
    288 {
    289 	struct pcmcia_attach_args *pa = aux;
    290 	int i;
    291 
    292 	for (i = 0; i < NE2000_NDEVS; i++) {
    293 		if (ne2000_match(pa->card, pa->pf->number, i))
    294 			return (1);
    295 	}
    296 
    297 	return (0);
    298 }
    299 
    300 void
    301 ne_pcmcia_attach(parent, self, aux)
    302 	struct device *parent, *self;
    303 	void *aux;
    304 {
    305 	struct ne_pcmcia_softc *psc = (void *) self;
    306 	struct ne2000_softc *nsc = &psc->sc_ne2000;
    307 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    308 	struct pcmcia_attach_args *pa = aux;
    309 	struct pcmcia_config_entry *cfe;
    310 	struct ne2000dev *ne_dev;
    311 	struct pcmcia_mem_handle pcmh;
    312 	bus_addr_t offset;
    313 	int i, j, mwindow;
    314 	u_int8_t myea[6], *enaddr = NULL;
    315 
    316 	psc->sc_pf = pa->pf;
    317 	cfe = pa->pf->cfe_head.sqh_first;
    318 
    319 #if 0
    320 	/*
    321 	 * Some ne2000 driver's claim to have memory; others don't.
    322 	 * Since I don't care, I don't check.
    323 	 */
    324 
    325 	if (cfe->num_memspace != 1) {
    326 		printf(": unexpected number of memory spaces "
    327 		    " %d should be 1\n", cfe->num_memspace);
    328 		return;
    329 	}
    330 #endif
    331 
    332 	if (cfe->num_iospace == 1) {
    333 		if (cfe->iospace[0].length != NE2000_NPORTS) {
    334 			printf(": unexpected I/O space configuration\n");
    335 			return;
    336 		}
    337 	} else if (cfe->num_iospace == 2) {
    338 		/*
    339 		 * Some cards report a separate space for NIC and ASIC.
    340 		 * This make some sense, but we must allocate a single
    341 		 * NE2000_NPORTS-sized chunk, due to brain damaged
    342 		 * address decoders on some of these cards.
    343 		 */
    344 		if ((cfe->iospace[0].length + cfe->iospace[1].length) !=
    345 		    NE2000_NPORTS) {
    346 			printf(": unexpected I/O space configuration\n");
    347 			return;
    348 		}
    349 	} else {
    350 		printf(": unexpected number of i/o spaces %d"
    351 		    " should be 1 or 2\n", cfe->num_iospace);
    352 	}
    353 
    354 	if (pcmcia_io_alloc(pa->pf, 0, NE2000_NPORTS, NE2000_NPORTS,
    355 	    &psc->sc_pcioh)) {
    356 		printf(": can't alloc i/o space\n");
    357 		return;
    358 	}
    359 
    360 	dsc->sc_regt = psc->sc_pcioh.iot;
    361 	dsc->sc_regh = psc->sc_pcioh.ioh;
    362 
    363 	nsc->sc_asict = psc->sc_pcioh.iot;
    364 	if (bus_space_subregion(dsc->sc_regt, dsc->sc_regh,
    365 	    NE2000_ASIC_OFFSET, NE2000_ASIC_NPORTS,
    366 	    &nsc->sc_asich)) {
    367 		printf(": can't get subregion for asic\n");
    368 		return;
    369 	}
    370 
    371 	/* Set up power management hooks. */
    372 	dsc->sc_enable = ne_pcmcia_enable;
    373 	dsc->sc_disable = ne_pcmcia_disable;
    374 
    375 	/* Enable the card. */
    376 	pcmcia_function_init(pa->pf, cfe);
    377 	if (pcmcia_function_enable(pa->pf)) {
    378 		printf(": function enable failed\n");
    379 		return;
    380 	}
    381 
    382 	/* some cards claim to be io16, but they're lying. */
    383 	if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_IO8,
    384 	    NE2000_NIC_OFFSET, NE2000_NIC_NPORTS,
    385 	    &psc->sc_pcioh, &psc->sc_nic_io_window)) {
    386 		printf(": can't map NIC i/o space\n");
    387 		return;
    388 	}
    389 
    390 	if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_IO16,
    391 	    NE2000_ASIC_OFFSET, NE2000_ASIC_NPORTS,
    392 	    &psc->sc_pcioh, &psc->sc_asic_io_window)) {
    393 		printf(": can't map ASIC i/o space\n");
    394 		return;
    395 	}
    396 
    397 	printf("\n");
    398 
    399 	/*
    400 	 * Read the station address from the board.
    401 	 */
    402 	for (i = 0; i < NE2000_NDEVS; i++) {
    403 		if ((ne_dev = ne2000_match(pa->card, pa->pf->number, i))
    404 		    != NULL) {
    405 			if (ne_dev->enet_maddr >= 0) {
    406 				if (pcmcia_mem_alloc(pa->pf,
    407 				    ETHER_ADDR_LEN * 2, &pcmh)) {
    408 					printf("%s: can't alloc mem for"
    409 					    " enet addr\n",
    410 					    dsc->sc_dev.dv_xname);
    411 					return;
    412 				}
    413 				if (pcmcia_mem_map(pa->pf, PCMCIA_MEM_ATTR,
    414 				    ne_dev->enet_maddr, ETHER_ADDR_LEN * 2,
    415 				    &pcmh, &offset, &mwindow)) {
    416 					printf("%s: can't map mem for"
    417 					    " enet addr\n",
    418 					    dsc->sc_dev.dv_xname);
    419 					return;
    420 				}
    421 				for (j = 0; j < ETHER_ADDR_LEN; j++)
    422 					myea[j] = bus_space_read_1(pcmh.memt,
    423 					    pcmh.memh, offset + (j * 2));
    424 				pcmcia_mem_unmap(pa->pf, mwindow);
    425 				pcmcia_mem_free(pa->pf, &pcmh);
    426 				enaddr = myea;
    427 			}
    428 			break;
    429 		}
    430 	}
    431 
    432 	if (enaddr != NULL) {
    433 		/*
    434 		 * Make sure this is what we expect.
    435 		 */
    436 		if (enaddr[0] != ne_dev->enet_vendor[0] ||
    437 		    enaddr[1] != ne_dev->enet_vendor[1] ||
    438 		    enaddr[2] != ne_dev->enet_vendor[2]) {
    439 			printf("%s: enet addr has incorrect vendor code\n",
    440 			    dsc->sc_dev.dv_xname);
    441 			printf("%s: (%02x:%02x:%02x should be "
    442 			    "%02x:%02x:%02x)\n", dsc->sc_dev.dv_xname,
    443 			    enaddr[0], enaddr[1], enaddr[2],
    444 			    ne_dev->enet_vendor[0],
    445 			    ne_dev->enet_vendor[1],
    446 			    ne_dev->enet_vendor[2]);
    447 			return;
    448 		}
    449 	}
    450 
    451 	printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, ne_dev->name);
    452 
    453 	ne2000_attach(nsc, enaddr, NULL, 0, 0);
    454 
    455 	pcmcia_function_disable(pa->pf);
    456 }
    457 
    458 int
    459 ne_pcmcia_enable(dsc)
    460 	struct dp8390_softc *dsc;
    461 {
    462 	struct ne_pcmcia_softc *psc = (struct ne_pcmcia_softc *)dsc;
    463 
    464 	/* set up the interrupt */
    465 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, dp8390_intr,
    466 	    dsc);
    467 	if (psc->sc_ih == NULL) {
    468 		printf("%s: couldn't establish interrupt\n",
    469 		    dsc->sc_dev.dv_xname);
    470 		return (1);
    471 	}
    472 
    473 	return (pcmcia_function_enable(psc->sc_pf));
    474 }
    475 
    476 void
    477 ne_pcmcia_disable(dsc)
    478 	struct dp8390_softc *dsc;
    479 {
    480 	struct ne_pcmcia_softc *psc = (struct ne_pcmcia_softc *)dsc;
    481 
    482 	pcmcia_function_disable(psc->sc_pf);
    483 
    484 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    485 }
    486