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      1 /* $NetBSD: siisata_cardbus.c,v 1.16 2022/09/25 17:33:19 thorpej Exp $ */
      2 /* Id: siisata_pci.c,v 1.11 2008/05/21 16:20:11 jakllsch Exp  */
      3 
      4 /*
      5  * Copyright (c) 2006 Manuel Bouyer.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  */
     28 
     29 /*
     30  * Copyright (c) 2007, 2008 Jonathan A. Kollasch.
     31  * All rights reserved.
     32  *
     33  * Redistribution and use in source and binary forms, with or without
     34  * modification, are permitted provided that the following conditions
     35  * are met:
     36  * 1. Redistributions of source code must retain the above copyright
     37  *    notice, this list of conditions and the following disclaimer.
     38  * 2. Redistributions in binary form must reproduce the above copyright
     39  *    notice, this list of conditions and the following disclaimer in the
     40  *    documentation and/or other materials provided with the distribution.
     41  *
     42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     43  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     44  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     45  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     46  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     47  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     48  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     49  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     50  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     51  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     52  */
     53 
     54 #include <sys/cdefs.h>
     55 __KERNEL_RCSID(0, "$NetBSD: siisata_cardbus.c,v 1.16 2022/09/25 17:33:19 thorpej Exp $");
     56 
     57 #include <sys/types.h>
     58 #include <sys/param.h>
     59 #include <sys/kernel.h>
     60 #include <sys/systm.h>
     61 
     62 #include <dev/cardbus/cardbusvar.h>
     63 #include <dev/pci/pcidevs.h>
     64 #include <dev/ic/siisatavar.h>
     65 
     66 struct siisata_cardbus_softc {
     67 	struct siisata_softc si_sc;
     68 	cardbus_chipset_tag_t sc_cc;
     69 	cardbus_function_tag_t sc_cf;
     70 	cardbus_devfunc_t sc_ct;
     71 	pcitag_t sc_tag;
     72 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
     73 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
     74 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
     75 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
     76 
     77 	bus_size_t sc_grsize;
     78 	bus_size_t sc_prsize;
     79 	void *sc_ih;
     80 };
     81 
     82 static int siisata_cardbus_match(device_t, cfdata_t, void *);
     83 static void siisata_cardbus_attach(device_t, device_t, void *);
     84 static int siisata_cardbus_detach(device_t, int);
     85 static bool siisata_cardbus_resume(device_t, const pmf_qual_t *);
     86 
     87 static const struct siisata_cardbus_product {
     88 	pci_vendor_id_t scp_vendor;
     89 	pci_product_id_t scp_product;
     90 	int scp_ports;
     91 	int scp_chip;
     92 
     93 } siisata_cardbus_products[] = {
     94 	{
     95 		PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3124,
     96 		4, 3124
     97 	},
     98 	{
     99 		0, 0,
    100 		0, 0
    101 	},
    102 };
    103 
    104 CFATTACH_DECL_NEW(siisata_cardbus, sizeof(struct siisata_cardbus_softc),
    105     siisata_cardbus_match, siisata_cardbus_attach, siisata_cardbus_detach,
    106     NULL);
    107 
    108 static const struct siisata_cardbus_product *
    109 siisata_cardbus_lookup(const struct cardbus_attach_args *ca)
    110 {
    111 	const struct siisata_cardbus_product *scp;
    112 
    113 	for (scp = siisata_cardbus_products; scp->scp_ports > 0; scp++) {
    114 		if (PCI_VENDOR(ca->ca_id) == scp->scp_vendor &&
    115 		    PCI_PRODUCT(ca->ca_id) == scp->scp_product)
    116 			return scp;
    117 	}
    118 	return NULL;
    119 }
    120 
    121 static int
    122 siisata_cardbus_match(device_t parent, cfdata_t match, void *aux)
    123 {
    124 	struct cardbus_attach_args *ca = aux;
    125 
    126 	if (siisata_cardbus_lookup(ca) != NULL)
    127 		return 3;
    128 
    129 	return 0;
    130 }
    131 
    132 static void
    133 siisata_cardbus_attach(device_t parent, device_t self, void *aux)
    134 {
    135 	struct cardbus_attach_args *ca = aux;
    136 	struct siisata_cardbus_softc *csc = device_private(self);
    137 	struct siisata_softc *sc = &csc->si_sc;
    138 	cardbus_devfunc_t ct = ca->ca_ct;
    139 	cardbus_chipset_tag_t cc = ct->ct_cc;
    140 	cardbus_function_tag_t cf = ct->ct_cf;
    141 	pcireg_t csr;
    142 	const struct siisata_cardbus_product *scp;
    143 	bus_space_tag_t memt;
    144 	bus_space_handle_t memh;
    145 	bus_addr_t base;
    146 	bus_size_t grsize, prsize;
    147 	uint32_t gcreg;
    148 	char devinfo[256];
    149 
    150 	sc->sc_atac.atac_dev = self;
    151 
    152 	csc->sc_cc = cc;
    153 	csc->sc_cf = cf;
    154 	csc->sc_ct = ct;
    155 	csc->sc_tag = ca->ca_tag;
    156 
    157 	csc->sc_iot = ca->ca_iot;
    158 	csc->sc_memt = ca->ca_memt;
    159 	csc->sc_rbus_iot = ca->ca_rbus_iot;
    160 	csc->sc_rbus_memt = ca->ca_rbus_memt;
    161 
    162 	pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
    163 	aprint_naive(": SATA-II HBA\n");
    164 	aprint_normal(": %s\n", devinfo);
    165 
    166 	/*
    167 	 * XXXX
    168 	 * Our BAR0/BAR1 type is 64bit Memory.  Cardbus_mapreg_map() don't
    169 	 * support 64bit Memory.  We map ourself...
    170 	 */
    171 	/* map bar0 */
    172 	{
    173 #define SIISATA_BAR0_SIZE	128
    174 		grsize = SIISATA_BAR0_SIZE;
    175 		base = PCI_MAPREG_MEM_ADDR(Cardbus_conf_read(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0));
    176 		memt = csc->sc_memt;
    177 		if ((*cf->cardbus_space_alloc)(cc, csc->sc_rbus_memt, base,
    178 		    grsize, grsize - 1, grsize, 0, &base, &memh)) {
    179 			aprint_error(
    180 			    "%s: unable to map device global registers\n",
    181 			    SIISATANAME(sc));
    182 			return;
    183 		}
    184 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0, base);
    185 	}
    186 	sc->sc_grt = memt;
    187 	sc->sc_grh = memh;
    188 	csc->sc_grsize = grsize;
    189 
    190 	/* map bar1 */
    191 	{
    192 #define SIISATA_BAR1_SIZE	(32 * 1024)
    193 		prsize = SIISATA_BAR1_SIZE;
    194 		base = PCI_MAPREG_MEM_ADDR(Cardbus_conf_read(ct, ca->ca_tag,
    195 		    SIISATA_CARDBUS_BAR1));
    196 		memt = csc->sc_memt;
    197 		if ((*cf->cardbus_space_alloc)(cc, csc->sc_rbus_memt, base,
    198 		    prsize, prsize - 1, prsize, 0, &base, &memh)) {
    199 			Cardbus_conf_write(ct, ca->ca_tag,
    200 			    SIISATA_CARDBUS_BAR0, 0);
    201 			(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt,
    202 			    sc->sc_grh, grsize);
    203 			aprint_error(
    204 			    "%s: unable to map device port registers\n",
    205 			    SIISATANAME(sc));
    206 			return;
    207 		}
    208 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR1, base);
    209 	}
    210 	sc->sc_prt = memt;
    211 	sc->sc_prh = memh;
    212 	csc->sc_prsize = prsize;
    213 
    214 	sc->sc_dmat = ca->ca_dmat;
    215 
    216 	/* map interrupt */
    217 	csc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, siisata_intr, sc);
    218 	if (csc->sc_ih == NULL) {
    219 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0, 0);
    220 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_grh,
    221 		    grsize);
    222 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR1, 0);
    223 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_prh,
    224 		    prsize);
    225 		aprint_error("%s: couldn't establish interrupt\n",
    226 		    SIISATANAME(sc));
    227 		return;
    228 	}
    229 
    230 	/* fill in number of ports on this device */
    231 	scp = siisata_cardbus_lookup(ca);
    232 	if (scp != NULL)
    233 		sc->sc_atac.atac_nchannels = scp->scp_ports;
    234 	else
    235 		/* _match() should prevent us from getting here */
    236 		panic("siisata: the universe might be falling apart!\n");
    237 
    238 	/* enable bus mastering in case the firmware didn't */
    239 	csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
    240 	csr |= PCI_COMMAND_MASTER_ENABLE;
    241 	csr |= PCI_COMMAND_MEM_ENABLE;
    242 	Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, csr);
    243 
    244 	gcreg = GRREAD(sc, GR_GC);
    245 
    246 	/* CardBus supports only 32-bit 33MHz */
    247 	KASSERT(!(gcreg &
    248 	    (GR_GC_REQ64|GR_GC_DEVSEL|GR_GC_STOP|GR_GC_TRDY|GR_GC_M66EN)));
    249 
    250 	aprint_normal("%s: SiI%d on 32-bit, 33MHz PCI (CardBus).",
    251 	    SIISATANAME(sc), scp->scp_chip);
    252 	if (gcreg & GR_GC_3GBPS)
    253 		aprint_normal(" 3.0Gb/s capable.\n");
    254 	else
    255 		aprint_normal("\n");
    256 
    257 	siisata_attach(sc);
    258 
    259 	if (!pmf_device_register(self, NULL, siisata_cardbus_resume))
    260 		aprint_error_dev(self, "couldn't establish power handler\n");
    261 }
    262 
    263 static int
    264 siisata_cardbus_detach(device_t self, int flags)
    265 {
    266 	struct siisata_cardbus_softc *csc = device_private(self);
    267 	struct siisata_softc *sc = &csc->si_sc;
    268 	struct cardbus_devfunc *ct = csc->sc_ct;
    269 	cardbus_chipset_tag_t cc = ct->ct_cc;
    270 	cardbus_function_tag_t cf = ct->ct_cf;
    271 	pcitag_t ctag = csc->sc_tag;
    272 	int rv;
    273 
    274 	rv = siisata_detach(sc, flags);
    275 	if (rv)
    276 		return (rv);
    277 	if (csc->sc_ih != NULL) {
    278 		Cardbus_intr_disestablish(ct, csc->sc_ih);
    279 		csc->sc_ih = NULL;
    280 	}
    281 	if (csc->sc_grsize) {
    282 		Cardbus_conf_write(ct, ctag, SIISATA_CARDBUS_BAR0, 0);
    283 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_grh,
    284 		    csc->sc_grsize);
    285 		csc->sc_grsize = 0;
    286 	}
    287 	if (csc->sc_prsize) {
    288 		Cardbus_conf_write(ct, ctag, SIISATA_CARDBUS_BAR1, 0);
    289 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_prh,
    290 		    csc->sc_prsize);
    291 		csc->sc_prsize = 0;
    292 	}
    293 	return 0;
    294 }
    295 
    296 static bool
    297 siisata_cardbus_resume(device_t dv, const pmf_qual_t *qual)
    298 {
    299 	struct siisata_cardbus_softc *csc = device_private(dv);
    300 	struct siisata_softc *sc = &csc->si_sc;
    301 	int s;
    302 
    303 	s = splbio();
    304 	siisata_resume(sc);
    305 	splx(s);
    306 
    307 	return true;
    308 }
    309