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siisata_cardbus.c revision 1.1.2.2
      1 /* $NetBSD: siisata_cardbus.c,v 1.1.2.2 2009/07/23 23:31:46 jym 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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Manuel Bouyer.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  *
     32  */
     33 
     34 /*-
     35  * Copyright (c) 2007, 2008 Jonathan A. Kollasch.
     36  * All rights reserved.
     37  *
     38  * Redistribution and use in source and binary forms, with or without
     39  * modification, are permitted provided that the following conditions
     40  * are met:
     41  * 1. Redistributions of source code must retain the above copyright
     42  *    notice, this list of conditions and the following disclaimer.
     43  * 2. Redistributions in binary form must reproduce the above copyright
     44  *    notice, this list of conditions and the following disclaimer in the
     45  *    documentation and/or other materials provided with the distribution.
     46  *
     47  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     48  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     49  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     50  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     51  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     52  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     53  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     54  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     55  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     56  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     57  *
     58  */
     59 
     60 #include <sys/cdefs.h>
     61 
     62 
     63 #include <sys/types.h>
     64 #include <sys/malloc.h>
     65 #include <sys/param.h>
     66 #include <sys/kernel.h>
     67 #include <sys/systm.h>
     68 
     69 #include <uvm/uvm_extern.h>
     70 
     71 #include <dev/cardbus/cardbusvar.h>
     72 #include <dev/pci/pcidevs.h>
     73 #include <dev/ic/siisatavar.h>
     74 
     75 #define cardbus_devinfo		pci_devinfo
     76 
     77 struct siisata_cardbus_softc {
     78 	struct siisata_softc si_sc;
     79 	cardbus_chipset_tag_t sc_cc;
     80 	cardbus_function_tag_t sc_cf;
     81 	cardbus_devfunc_t sc_ct;
     82 
     83 	bus_size_t sc_grsize;
     84 	bus_size_t sc_prsize;
     85 	void *sc_ih;
     86 };
     87 
     88 static int siisata_cardbus_match(device_t, cfdata_t, void *);
     89 static void siisata_cardbus_attach(device_t, device_t, void *);
     90 static int siisata_cardbus_detach(device_t, int);
     91 static bool siisata_cardbus_resume(device_t PMF_FN_PROTO);
     92 
     93 static const struct siisata_cardbus_product {
     94 	cardbus_vendor_id_t scp_vendor;
     95 	cardbus_product_id_t scp_product;
     96 	int scp_ports;
     97 	int scp_chip;
     98 
     99 } siisata_cardbus_products[] = {
    100 	{
    101 		PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3124,
    102 		4, 3124
    103 	},
    104 	{
    105 		0, 0,
    106 		0, 0
    107 	},
    108 };
    109 
    110 CFATTACH_DECL_NEW(siisata_cardbus, sizeof(struct siisata_cardbus_softc),
    111     siisata_cardbus_match, siisata_cardbus_attach, siisata_cardbus_detach,
    112     NULL);
    113 
    114 static const struct siisata_cardbus_product *
    115 siisata_cardbus_lookup(const struct cardbus_attach_args *ca)
    116 {
    117 	const struct siisata_cardbus_product *scp;
    118 
    119 	for (scp = siisata_cardbus_products; scp->scp_ports > 0; scp++) {
    120 		if (CARDBUS_VENDOR(ca->ca_id) == scp->scp_vendor &&
    121 		    CARDBUS_PRODUCT(ca->ca_id) == scp->scp_product)
    122 			return scp;
    123 	}
    124 	return NULL;
    125 }
    126 
    127 static int
    128 siisata_cardbus_match(device_t parent, cfdata_t match, void *aux)
    129 {
    130 	struct cardbus_attach_args *ca = aux;
    131 
    132 	if (siisata_cardbus_lookup(ca) != NULL)
    133 		return 3;
    134 
    135 	return 0;
    136 }
    137 
    138 static void
    139 siisata_cardbus_attach(device_t parent, device_t self, void *aux)
    140 {
    141 	struct cardbus_attach_args *ca = aux;
    142 	struct cardbus_softc *cbsc = device_private(parent);
    143 	struct siisata_cardbus_softc *csc = device_private(self);
    144 	struct siisata_softc *sc = &csc->si_sc;
    145 	cardbus_devfunc_t ct = ca->ca_ct;
    146 	cardbus_chipset_tag_t cc = ct->ct_cc;
    147 	cardbus_function_tag_t cf = ct->ct_cf;
    148 	cardbusreg_t csr;
    149 	const struct siisata_cardbus_product *scp;
    150 	bus_space_tag_t memt;
    151 	bus_space_handle_t memh;
    152 	bus_addr_t base;
    153 	bus_size_t grsize, prsize;
    154 	uint32_t gcreg;
    155 	char devinfo[256];
    156 
    157 	sc->sc_atac.atac_dev = self;
    158 
    159 	csc->sc_cc = cc;
    160 	csc->sc_cf = cf;
    161 	csc->sc_ct = ct;
    162 
    163 	cardbus_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 		csr =
    177 		    cardbus_conf_read(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0);
    178 		base = PCI_MAPREG_MEM_ADDR(csr);
    179 		memt = cbsc->sc_memt;
    180 		if ((*cf->cardbus_space_alloc)(cc, cbsc->sc_rbus_memt, base,
    181 		    grsize, grsize - 1, grsize, 0, &base, &memh)) {
    182 			aprint_error(
    183 			    "%s: unable to map device global registers\n",
    184 			    SIISATANAME(sc));
    185 			return;
    186 		}
    187 		cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0,
    188 		    base);
    189 	}
    190 	sc->sc_grt = memt;
    191 	sc->sc_grh = memh;
    192 	csc->sc_grsize = grsize;
    193 
    194 	/* map bar1 */
    195 	{
    196 #define SIISATA_BAR1_SIZE	(32 * 1024)
    197 		prsize = SIISATA_BAR1_SIZE;
    198 		base = PCI_MAPREG_MEM_ADDR(cardbus_conf_read(cc, cf, ca->ca_tag,
    199 		    SIISATA_CARDBUS_BAR1));
    200 		memt = cbsc->sc_memt;
    201 		if ((*cf->cardbus_space_alloc)(cc, cbsc->sc_rbus_memt, base,
    202 		    prsize, prsize - 1, prsize, 0, &base, &memh)) {
    203 			cardbus_conf_write(cc, cf, ca->ca_tag,
    204 			    SIISATA_CARDBUS_BAR0, 0);
    205 			(*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt,
    206 			    sc->sc_grh, grsize);
    207 			aprint_error(
    208 			    "%s: unable to map device port registers\n",
    209 			    SIISATANAME(sc));
    210 			return;
    211 		}
    212 		cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR1,
    213 		    base);
    214 	}
    215 	sc->sc_prt = memt;
    216 	sc->sc_prh = memh;
    217 	csc->sc_prsize = prsize;
    218 
    219 	sc->sc_dmat = ca->ca_dmat;
    220 
    221 	/* map interrupt */
    222 	csc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
    223 	    siisata_intr, sc);
    224 	if (csc->sc_ih == NULL) {
    225 		cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0, 0);
    226 		(*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_grh,
    227 		    grsize);
    228 		cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR1, 0);
    229 		(*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_prh,
    230 		    prsize);
    231 		aprint_error("%s: couldn't establish interrupt\n",
    232 		    SIISATANAME(sc));
    233 		return;
    234 	}
    235 
    236 	/* fill in number of ports on this device */
    237 	scp = siisata_cardbus_lookup(ca);
    238 	if (scp != NULL)
    239 		sc->sc_atac.atac_nchannels = scp->scp_ports;
    240 	else
    241 		/* _match() should prevent us from getting here */
    242 		panic("siisata: the universe might be falling apart!\n");
    243 
    244 	/* enable bus mastering in case the firmware didn't */
    245 	csr = cardbus_conf_read(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG);
    246 	csr |= CARDBUS_COMMAND_MASTER_ENABLE;
    247 	csr |= CARDBUS_COMMAND_MEM_ENABLE;
    248 	cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, csr);
    249 
    250 	gcreg = GRREAD(sc, GR_GC);
    251 
    252 	/* CardBus supports only 32-bit 33MHz */
    253 	KASSERT(!(gcreg &
    254 	    (GR_GC_REQ64|GR_GC_DEVSEL|GR_GC_STOP|GR_GC_TRDY|GR_GC_M66EN)));
    255 
    256 	aprint_normal("%s: SiI%d on 32-bit, 33MHz PCI (CardBus).",
    257 	    SIISATANAME(sc), scp->scp_chip);
    258 	if (gcreg & GR_GC_3GBPS)
    259 		aprint_normal(" 3.0Gb/s capable.\n");
    260 	else
    261 		aprint_normal("\n");
    262 
    263 	siisata_attach(sc);
    264 
    265 	if (!pmf_device_register(self, NULL, siisata_cardbus_resume))
    266 		aprint_error_dev(self, "couldn't establish power handler\n");
    267 }
    268 
    269 static int
    270 siisata_cardbus_detach(device_t self, int flags)
    271 {
    272 	struct cardbus_softc *cbsc = device_private(device_parent(self));
    273 	struct siisata_cardbus_softc *csc = device_private(self);
    274 	struct siisata_softc *sc = &csc->si_sc;
    275 	struct cardbus_devfunc *ct = csc->sc_ct;
    276 	cardbus_chipset_tag_t cc = ct->ct_cc;
    277 	cardbus_function_tag_t cf = ct->ct_cf;
    278 	cardbustag_t ctag = cardbus_make_tag(cc, cf, cbsc->sc_bus, ct->ct_func);
    279 	int rv;
    280 
    281 	rv = siisata_detach(sc, flags);
    282 	if (rv)
    283 		return (rv);
    284 	if (csc->sc_ih != NULL) {
    285 		cardbus_intr_disestablish(csc->sc_cc, csc->sc_cf, csc->sc_ih);
    286 		csc->sc_ih = NULL;
    287 	}
    288 	if (csc->sc_grsize) {
    289 		cardbus_conf_write(cc, cf, ctag, SIISATA_CARDBUS_BAR0, 0);
    290 		(*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_grh,
    291 		    csc->sc_grsize);
    292 		csc->sc_grsize = 0;
    293 	}
    294 	if (csc->sc_prsize) {
    295 		cardbus_conf_write(cc, cf, ctag, SIISATA_CARDBUS_BAR1, 0);
    296 		(*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_prh,
    297 		    csc->sc_prsize);
    298 		csc->sc_prsize = 0;
    299 	}
    300 	cardbus_free_tag(cc, cf, ctag);
    301 	return 0;
    302 }
    303 
    304 static bool
    305 siisata_cardbus_resume(device_t dv PMF_FN_ARGS)
    306 {
    307 	struct siisata_cardbus_softc *csc = device_private(dv);
    308 	struct siisata_softc *sc = &csc->si_sc;
    309 	int s;
    310 
    311 	s = splbio();
    312 	siisata_resume(sc);
    313 	splx(s);
    314 
    315 	return true;
    316 }
    317