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NetBSD/sys/dev/pci/aac_pci.c

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/* $NetBSD: aac_pci.c,v 1.7 2003/01/31 00:07:39 thorpej Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* Copyright (c) 2000 Niklas Hallqvist
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from FreeBSD: aac_pci.c,v 1.1 2000/09/13 03:20:34 msmith Exp
* via OpenBSD: aac_pci.c,v 1.7 2002/03/14 01:26:58 millert Exp
*/
/*
* PCI front-end for the `aac' driver.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: aac_pci.c,v 1.7 2003/01/31 00:07:39 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <machine/endian.h>
#include <machine/intr.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/aacreg.h>
#include <dev/ic/aacvar.h>
int aac_pci_match(struct device *, struct cfdata *, void *);
void aac_pci_attach(struct device *, struct device *, void *);
const struct aac_ident *aac_find_ident(struct pci_attach_args *);
/* i960Rx interface */
int aac_rx_get_fwstatus(struct aac_softc *);
void aac_rx_qnotify(struct aac_softc *, int);
int aac_rx_get_istatus(struct aac_softc *);
void aac_rx_clear_istatus(struct aac_softc *, int);
void aac_rx_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
u_int32_t, u_int32_t, u_int32_t);
int aac_rx_get_mailboxstatus(struct aac_softc *);
void aac_rx_set_interrupts(struct aac_softc *, int);
/* StrongARM interface */
int aac_sa_get_fwstatus(struct aac_softc *);
void aac_sa_qnotify(struct aac_softc *, int);
int aac_sa_get_istatus(struct aac_softc *);
void aac_sa_clear_istatus(struct aac_softc *, int);
void aac_sa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
u_int32_t, u_int32_t, u_int32_t);
int aac_sa_get_mailboxstatus(struct aac_softc *);
void aac_sa_set_interrupts(struct aac_softc *, int);
const struct aac_interface aac_rx_interface = {
aac_rx_get_fwstatus,
aac_rx_qnotify,
aac_rx_get_istatus,
aac_rx_clear_istatus,
aac_rx_set_mailbox,
aac_rx_get_mailboxstatus,
aac_rx_set_interrupts
};
const struct aac_interface aac_sa_interface = {
aac_sa_get_fwstatus,
aac_sa_qnotify,
aac_sa_get_istatus,
aac_sa_clear_istatus,
aac_sa_set_mailbox,
aac_sa_get_mailboxstatus,
aac_sa_set_interrupts
};
struct aac_ident {
u_short vendor;
u_short device;
u_short subvendor;
u_short subdevice;
u_short hwif;
u_short quirks;
const char *prodstr;
} const aac_ident[] = {
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_2SI,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_2SI,
AAC_HWIF_I960RX,
0,
"Dell PERC 2/Si"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Di"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_SUB2,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Di"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_SUB3,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Di"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_2,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_2_SUB,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Di"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_3,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_3_SUB,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Di"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_3,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_3_SUB2,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Di"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_3,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3DI_3_SUB3,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Di"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3SI,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3SI,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Si"
},
{
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3SI_2,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_PERC_3SI_2_SUB,
AAC_HWIF_I960RX,
0,
"Dell PERC 3/Si"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_AAC2622,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_AAC2622,
AAC_HWIF_I960RX,
0,
"Adaptec ADP-2622"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
AAC_HWIF_I960RX,
0,
"Adaptec ASR-2200S"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2120S,
AAC_HWIF_I960RX,
0,
"Adaptec ASR-2120S"
},
{
PCI_VENDOR_DEC,
PCI_PRODUCT_DEC_21554,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_AAC364,
AAC_HWIF_STRONGARM,
0,
"Adaptec AAC-364"
},
{
PCI_VENDOR_DEC,
PCI_PRODUCT_DEC_21554,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR5400S,
AAC_HWIF_STRONGARM,
0,
"Adaptec ASR-5400S"
},
{
PCI_VENDOR_DEC,
PCI_PRODUCT_DEC_21554,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_PERC_2QC,
AAC_HWIF_STRONGARM,
AAC_QUIRK_PERC2QC,
"Dell PERC 2/QC"
},
{
PCI_VENDOR_DEC,
PCI_PRODUCT_DEC_21554,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_PERC_3QC,
AAC_HWIF_STRONGARM,
0,
"Dell PERC 3/QC"
},
{
PCI_VENDOR_DEC,
PCI_PRODUCT_DEC_21554,
PCI_VENDOR_HP,
PCI_PRODUCT_HP_NETRAID_4M,
AAC_HWIF_STRONGARM,
0,
"HP NetRAID-4M"
},
};
CFATTACH_DECL(aac_pci, sizeof(struct aac_softc),
aac_pci_match, aac_pci_attach, NULL, NULL);
const struct aac_ident *
aac_find_ident(struct pci_attach_args *pa)
{
const struct aac_ident *m, *mm;
u_int32_t subsysid;
m = aac_ident;
mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
while (m < mm) {
if (m->vendor == PCI_VENDOR(pa->pa_id) &&
m->device == PCI_PRODUCT(pa->pa_id)) {
subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
PCI_SUBSYS_ID_REG);
if (m->subvendor == PCI_VENDOR(subsysid) &&
m->subdevice == PCI_PRODUCT(subsysid))
return (m);
}
m++;
}
return (NULL);
}
int
aac_pci_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa;
pa = aux;
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
return (0);
return (aac_find_ident(pa) != NULL);
}
void
aac_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa;
pci_chipset_tag_t pc;
struct aac_softc *sc;
u_int16_t command;
bus_addr_t membase;
bus_size_t memsize;
pci_intr_handle_t ih;
const char *intrstr;
int state;
const struct aac_ident *m;
pa = aux;
pc = pa->pa_pc;
sc = (struct aac_softc *)self;
state = 0;
aprint_naive(": RAID controller\n");
aprint_normal(": ");
/*
* Verify that the adapter is correctly set up in PCI space.
*/
command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
command |= PCI_COMMAND_MASTER_ENABLE;
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
aprint_error("can't enable bus-master feature\n");
goto bail_out;
}
if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
aprint_error("memory window not available\n");
goto bail_out;
}
/*
* Map control/status registers.
*/
if (pci_mapreg_map(pa, PCI_MAPREG_START,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
&sc->sc_memh, &membase, &memsize)) {
aprint_error("can't find mem space\n");
goto bail_out;
}
state++;
if (pci_intr_map(pa, &ih)) {
aprint_error("couldn't map interrupt\n");
goto bail_out;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, aac_intr, sc);
if (sc->sc_ih == NULL) {
aprint_error("couldn't establish interrupt");
if (intrstr != NULL)
aprint_normal(" at %s", intrstr);
aprint_normal("\n");
goto bail_out;
}
state++;
sc->sc_dmat = pa->pa_dmat;
m = aac_find_ident(pa);
aprint_normal("%s\n", m->prodstr);
if (intrstr != NULL)
aprint_normal("%s: interrupting at %s\n",
sc->sc_dv.dv_xname, intrstr);
sc->sc_hwif = m->hwif;
sc->sc_quirks = m->quirks;
switch (sc->sc_hwif) {
case AAC_HWIF_I960RX:
AAC_DPRINTF(AAC_D_MISC,
("set hardware up for i960Rx"));
sc->sc_if = aac_rx_interface;
break;
case AAC_HWIF_STRONGARM:
AAC_DPRINTF(AAC_D_MISC,
("set hardware up for StrongARM"));
sc->sc_if = aac_sa_interface;
break;
}
if (!aac_attach(sc))
return;
bail_out:
if (state > 1)
pci_intr_disestablish(pc, sc->sc_ih);
if (state > 0)
bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
}
/*
* Read the current firmware status word.
*/
int
aac_sa_get_fwstatus(struct aac_softc *sc)
{
return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
}
int
aac_rx_get_fwstatus(struct aac_softc *sc)
{
return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
}
/*
* Notify the controller of a change in a given queue
*/
void
aac_sa_qnotify(struct aac_softc *sc, int qbit)
{
AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
}
void
aac_rx_qnotify(struct aac_softc *sc, int qbit)
{
AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
}
/*
* Get the interrupt reason bits
*/
int
aac_sa_get_istatus(struct aac_softc *sc)
{
return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
}
int
aac_rx_get_istatus(struct aac_softc *sc)
{
return (AAC_GETREG4(sc, AAC_RX_ODBR));
}
/*
* Clear some interrupt reason bits
*/
void
aac_sa_clear_istatus(struct aac_softc *sc, int mask)
{
AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
}
void
aac_rx_clear_istatus(struct aac_softc *sc, int mask)
{
AAC_SETREG4(sc, AAC_RX_ODBR, mask);
}
/*
* Populate the mailbox and set the command word
*/
void
aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
u_int32_t arg3)
{
AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
}
void
aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
u_int32_t arg3)
{
AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
}
/*
* Fetch the immediate command status word
*/
int
aac_sa_get_mailboxstatus(struct aac_softc *sc)
{
return (AAC_GETREG4(sc, AAC_SA_MAILBOX));
}
int
aac_rx_get_mailboxstatus(struct aac_softc *sc)
{
return (AAC_GETREG4(sc, AAC_RX_MAILBOX));
}
/*
* Set/clear interrupt masks
*/
void
aac_sa_set_interrupts(struct aac_softc *sc, int enable)
{
if (enable)
AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
else
AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
}
void
aac_rx_set_interrupts(struct aac_softc *sc, int enable)
{
if (enable)
AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
else
AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
}
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