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siisata_cardbus.c revision 1.15
      1 /* $NetBSD: siisata_cardbus.c,v 1.15 2011/08/01 11:20:28 drochner 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 1.15 2011/08/01 11:20:28 drochner Exp $");
     56 
     57 #include <sys/types.h>
     58 #include <sys/malloc.h>
     59 #include <sys/param.h>
     60 #include <sys/kernel.h>
     61 #include <sys/systm.h>
     62 
     63 #include <dev/cardbus/cardbusvar.h>
     64 #include <dev/pci/pcidevs.h>
     65 #include <dev/ic/siisatavar.h>
     66 
     67 struct siisata_cardbus_softc {
     68 	struct siisata_softc si_sc;
     69 	cardbus_chipset_tag_t sc_cc;
     70 	cardbus_function_tag_t sc_cf;
     71 	cardbus_devfunc_t sc_ct;
     72 	pcitag_t sc_tag;
     73 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
     74 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
     75 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
     76 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
     77 
     78 	bus_size_t sc_grsize;
     79 	bus_size_t sc_prsize;
     80 	void *sc_ih;
     81 };
     82 
     83 static int siisata_cardbus_match(device_t, cfdata_t, void *);
     84 static void siisata_cardbus_attach(device_t, device_t, void *);
     85 static int siisata_cardbus_detach(device_t, int);
     86 static bool siisata_cardbus_resume(device_t, const pmf_qual_t *);
     87 
     88 static const struct siisata_cardbus_product {
     89 	pci_vendor_id_t scp_vendor;
     90 	pci_product_id_t scp_product;
     91 	int scp_ports;
     92 	int scp_chip;
     93 
     94 } siisata_cardbus_products[] = {
     95 	{
     96 		PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3124,
     97 		4, 3124
     98 	},
     99 	{
    100 		0, 0,
    101 		0, 0
    102 	},
    103 };
    104 
    105 CFATTACH_DECL_NEW(siisata_cardbus, sizeof(struct siisata_cardbus_softc),
    106     siisata_cardbus_match, siisata_cardbus_attach, siisata_cardbus_detach,
    107     NULL);
    108 
    109 static const struct siisata_cardbus_product *
    110 siisata_cardbus_lookup(const struct cardbus_attach_args *ca)
    111 {
    112 	const struct siisata_cardbus_product *scp;
    113 
    114 	for (scp = siisata_cardbus_products; scp->scp_ports > 0; scp++) {
    115 		if (PCI_VENDOR(ca->ca_id) == scp->scp_vendor &&
    116 		    PCI_PRODUCT(ca->ca_id) == scp->scp_product)
    117 			return scp;
    118 	}
    119 	return NULL;
    120 }
    121 
    122 static int
    123 siisata_cardbus_match(device_t parent, cfdata_t match, void *aux)
    124 {
    125 	struct cardbus_attach_args *ca = aux;
    126 
    127 	if (siisata_cardbus_lookup(ca) != NULL)
    128 		return 3;
    129 
    130 	return 0;
    131 }
    132 
    133 static void
    134 siisata_cardbus_attach(device_t parent, device_t self, void *aux)
    135 {
    136 	struct cardbus_attach_args *ca = aux;
    137 	struct siisata_cardbus_softc *csc = device_private(self);
    138 	struct siisata_softc *sc = &csc->si_sc;
    139 	cardbus_devfunc_t ct = ca->ca_ct;
    140 	cardbus_chipset_tag_t cc = ct->ct_cc;
    141 	cardbus_function_tag_t cf = ct->ct_cf;
    142 	pcireg_t csr;
    143 	const struct siisata_cardbus_product *scp;
    144 	bus_space_tag_t memt;
    145 	bus_space_handle_t memh;
    146 	bus_addr_t base;
    147 	bus_size_t grsize, prsize;
    148 	uint32_t gcreg;
    149 	char devinfo[256];
    150 
    151 	sc->sc_atac.atac_dev = self;
    152 
    153 	csc->sc_cc = cc;
    154 	csc->sc_cf = cf;
    155 	csc->sc_ct = ct;
    156 	csc->sc_tag = ca->ca_tag;
    157 
    158 	csc->sc_iot = ca->ca_iot;
    159 	csc->sc_memt = ca->ca_memt;
    160 	csc->sc_rbus_iot = ca->ca_rbus_iot;
    161 	csc->sc_rbus_memt = ca->ca_rbus_memt;
    162 
    163 	pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
    164 	aprint_naive(": SATA-II HBA\n");
    165 	aprint_normal(": %s\n", devinfo);
    166 
    167 	/*
    168 	 * XXXX
    169 	 * Our BAR0/BAR1 type is 64bit Memory.  Cardbus_mapreg_map() don't
    170 	 * support 64bit Memory.  We map ourself...
    171 	 */
    172 	/* map bar0 */
    173 	{
    174 #define SIISATA_BAR0_SIZE	128
    175 		grsize = SIISATA_BAR0_SIZE;
    176 		base = PCI_MAPREG_MEM_ADDR(Cardbus_conf_read(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0));
    177 		memt = csc->sc_memt;
    178 		if ((*cf->cardbus_space_alloc)(cc, csc->sc_rbus_memt, base,
    179 		    grsize, grsize - 1, grsize, 0, &base, &memh)) {
    180 			aprint_error(
    181 			    "%s: unable to map device global registers\n",
    182 			    SIISATANAME(sc));
    183 			return;
    184 		}
    185 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0, base);
    186 	}
    187 	sc->sc_grt = memt;
    188 	sc->sc_grh = memh;
    189 	csc->sc_grsize = grsize;
    190 
    191 	/* map bar1 */
    192 	{
    193 #define SIISATA_BAR1_SIZE	(32 * 1024)
    194 		prsize = SIISATA_BAR1_SIZE;
    195 		base = PCI_MAPREG_MEM_ADDR(Cardbus_conf_read(ct, ca->ca_tag,
    196 		    SIISATA_CARDBUS_BAR1));
    197 		memt = csc->sc_memt;
    198 		if ((*cf->cardbus_space_alloc)(cc, csc->sc_rbus_memt, base,
    199 		    prsize, prsize - 1, prsize, 0, &base, &memh)) {
    200 			Cardbus_conf_write(ct, ca->ca_tag,
    201 			    SIISATA_CARDBUS_BAR0, 0);
    202 			(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt,
    203 			    sc->sc_grh, grsize);
    204 			aprint_error(
    205 			    "%s: unable to map device port registers\n",
    206 			    SIISATANAME(sc));
    207 			return;
    208 		}
    209 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR1, base);
    210 	}
    211 	sc->sc_prt = memt;
    212 	sc->sc_prh = memh;
    213 	csc->sc_prsize = prsize;
    214 
    215 	sc->sc_dmat = ca->ca_dmat;
    216 
    217 	/* map interrupt */
    218 	csc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, siisata_intr, sc);
    219 	if (csc->sc_ih == NULL) {
    220 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0, 0);
    221 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_grh,
    222 		    grsize);
    223 		Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR1, 0);
    224 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_prh,
    225 		    prsize);
    226 		aprint_error("%s: couldn't establish interrupt\n",
    227 		    SIISATANAME(sc));
    228 		return;
    229 	}
    230 
    231 	/* fill in number of ports on this device */
    232 	scp = siisata_cardbus_lookup(ca);
    233 	if (scp != NULL)
    234 		sc->sc_atac.atac_nchannels = scp->scp_ports;
    235 	else
    236 		/* _match() should prevent us from getting here */
    237 		panic("siisata: the universe might be falling apart!\n");
    238 
    239 	/* enable bus mastering in case the firmware didn't */
    240 	csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
    241 	csr |= PCI_COMMAND_MASTER_ENABLE;
    242 	csr |= PCI_COMMAND_MEM_ENABLE;
    243 	Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, csr);
    244 
    245 	gcreg = GRREAD(sc, GR_GC);
    246 
    247 	/* CardBus supports only 32-bit 33MHz */
    248 	KASSERT(!(gcreg &
    249 	    (GR_GC_REQ64|GR_GC_DEVSEL|GR_GC_STOP|GR_GC_TRDY|GR_GC_M66EN)));
    250 
    251 	aprint_normal("%s: SiI%d on 32-bit, 33MHz PCI (CardBus).",
    252 	    SIISATANAME(sc), scp->scp_chip);
    253 	if (gcreg & GR_GC_3GBPS)
    254 		aprint_normal(" 3.0Gb/s capable.\n");
    255 	else
    256 		aprint_normal("\n");
    257 
    258 	siisata_attach(sc);
    259 
    260 	if (!pmf_device_register(self, NULL, siisata_cardbus_resume))
    261 		aprint_error_dev(self, "couldn't establish power handler\n");
    262 }
    263 
    264 static int
    265 siisata_cardbus_detach(device_t self, int flags)
    266 {
    267 	struct siisata_cardbus_softc *csc = device_private(self);
    268 	struct siisata_softc *sc = &csc->si_sc;
    269 	struct cardbus_devfunc *ct = csc->sc_ct;
    270 	cardbus_chipset_tag_t cc = ct->ct_cc;
    271 	cardbus_function_tag_t cf = ct->ct_cf;
    272 	pcitag_t ctag = csc->sc_tag;
    273 	int rv;
    274 
    275 	rv = siisata_detach(sc, flags);
    276 	if (rv)
    277 		return (rv);
    278 	if (csc->sc_ih != NULL) {
    279 		Cardbus_intr_disestablish(ct, csc->sc_ih);
    280 		csc->sc_ih = NULL;
    281 	}
    282 	if (csc->sc_grsize) {
    283 		Cardbus_conf_write(ct, ctag, SIISATA_CARDBUS_BAR0, 0);
    284 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_grh,
    285 		    csc->sc_grsize);
    286 		csc->sc_grsize = 0;
    287 	}
    288 	if (csc->sc_prsize) {
    289 		Cardbus_conf_write(ct, ctag, SIISATA_CARDBUS_BAR1, 0);
    290 		(*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_prh,
    291 		    csc->sc_prsize);
    292 		csc->sc_prsize = 0;
    293 	}
    294 	return 0;
    295 }
    296 
    297 static bool
    298 siisata_cardbus_resume(device_t dv, const pmf_qual_t *qual)
    299 {
    300 	struct siisata_cardbus_softc *csc = device_private(dv);
    301 	struct siisata_softc *sc = &csc->si_sc;
    302 	int s;
    303 
    304 	s = splbio();
    305 	siisata_resume(sc);
    306 	splx(s);
    307 
    308 	return true;
    309 }
    310