* Copyright (c) 2002 The NetBSD Foundation, Inc.

/* $NetBSD: aac_pci.c,v 1.42 2022/09/25 17:52:25 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.
*
* 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 1.42 2022/09/25 17:52:25 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/queue.h>

#include <sys/bus.h>
#include <machine/endian.h>
#include <sys/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>

struct aac_pci_softc {
struct aac_softc sc_aac;
pci_chipset_tag_t sc_pc;
pci_intr_handle_t sc_ih;
};

/* i960Rx interface */
static int aac_rx_get_fwstatus(struct aac_softc *);
static void aac_rx_qnotify(struct aac_softc *, int);
static int aac_rx_get_istatus(struct aac_softc *);
static void aac_rx_clear_istatus(struct aac_softc *, int);
static void aac_rx_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
u_int32_t, u_int32_t, u_int32_t);
static uint32_t aac_rx_get_mailbox(struct aac_softc *, int);
static void aac_rx_set_interrupts(struct aac_softc *, int);
static int aac_rx_send_command(struct aac_softc *, struct aac_ccb *);
static int aac_rx_get_outb_queue(struct aac_softc *);
static void aac_rx_set_outb_queue(struct aac_softc *, int);

/* StrongARM interface */
static int aac_sa_get_fwstatus(struct aac_softc *);
static void aac_sa_qnotify(struct aac_softc *, int);
static int aac_sa_get_istatus(struct aac_softc *);
static void aac_sa_clear_istatus(struct aac_softc *, int);
static void aac_sa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
u_int32_t, u_int32_t, u_int32_t);
static uint32_t aac_sa_get_mailbox(struct aac_softc *, int);
static void aac_sa_set_interrupts(struct aac_softc *, int);

/* Rocket/MIPS interface */
static int aac_rkt_get_fwstatus(struct aac_softc *);
static void aac_rkt_qnotify(struct aac_softc *, int);
static int aac_rkt_get_istatus(struct aac_softc *);
static void aac_rkt_clear_istatus(struct aac_softc *, int);
static void aac_rkt_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
u_int32_t, u_int32_t, u_int32_t);
static uint32_t aac_rkt_get_mailbox(struct aac_softc *, int);
static void aac_rkt_set_interrupts(struct aac_softc *, int);
static int aac_rkt_send_command(struct aac_softc *, struct aac_ccb *);
static int aac_rkt_get_outb_queue(struct aac_softc *);
static void aac_rkt_set_outb_queue(struct aac_softc *, int);

static 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_mailbox,
aac_rx_set_interrupts,
aac_rx_send_command,
aac_rx_get_outb_queue,
aac_rx_set_outb_queue
};

static 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_mailbox,
aac_sa_set_interrupts,
NULL, NULL, NULL
};

static const struct aac_interface aac_rkt_interface = {
aac_rkt_get_fwstatus,
aac_rkt_qnotify,
aac_rkt_get_istatus,
aac_rkt_clear_istatus,
aac_rkt_set_mailbox,
aac_rkt_get_mailbox,
aac_rkt_set_interrupts,
aac_rkt_send_command,
aac_rkt_get_outb_queue,
aac_rkt_set_outb_queue
};

static 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_ASR2200S,
PCI_VENDOR_DELL,
PCI_PRODUCT_DELL_CERC_1_5,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB,
"Dell CERC SATA RAID 1.5/6ch"
},
{
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_SUB2M,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
"Adaptec ASR-2200S"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_DELL,
PCI_PRODUCT_ADP2_ASR2200S_SUB2M,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
"Dell PERC 320/DC"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
"Adaptec ASR-2200S"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_AAR2810SA,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB,
"Adaptec AAR-2810SA"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2120S,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
"Adaptec ASR-2120S"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2410SA,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB,
"Adaptec ASR-2410SA"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_HP,
PCI_PRODUCT_ADP2_HP_M110_G2,
AAC_HWIF_I960RX,
AAC_QUIRK_NO4GB,
"HP ML110 G2 (Adaptec ASR-2610SA)"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2120S,
PCI_VENDOR_IBM,
PCI_PRODUCT_IBM_SERVERAID8K,
AAC_HWIF_RKT,
0,
"IBM ServeRAID 8k"
},
{ PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_2405,
AAC_HWIF_I960RX,
0,
"Adaptec RAID 2405"
},
{ PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_2445,
AAC_HWIF_I960RX,
0,
"Adaptec RAID 2445"
},
{ PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_2805,
AAC_HWIF_I960RX,
0,
"Adaptec RAID 2805"
},
{ PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_3405,
AAC_HWIF_I960RX,
0,
"Adaptec RAID 3405"
},
{ PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_3805,
AAC_HWIF_I960RX,
0,
"Adaptec RAID 3805"
},
{
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,
AAC_QUIRK_BROKEN_MMAP,
"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"
},
{
PCI_VENDOR_ADP2,
PCI_PRODUCT_ADP2_ASR2200S,
PCI_VENDOR_SUN,
PCI_PRODUCT_ADP2_ASR2120S,
AAC_HWIF_I960RX,
0,
"SG-XPCIESAS-R-IN"
},
};

static 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);
}

static int
aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
{
struct aac_pci_softc *pcisc;

pcisc = (struct aac_pci_softc *) sc;

pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
sc->sc_ih = pci_intr_establish_xname(pcisc->sc_pc, pcisc->sc_ih,
IPL_BIO, hand, arg, device_xname(sc->sc_dv));
if (sc->sc_ih == NULL) {
return ENXIO;
}
return 0;
}

static int
aac_pci_match(device_t parent, cfdata_t 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);
}

static void
aac_pci_attach(device_t parent, device_t self, void *aux)
{
struct pci_attach_args *pa;
pci_chipset_tag_t pc;
struct aac_pci_softc *pcisc;
struct aac_softc *sc;
u_int16_t command;
bus_addr_t membase;
bus_size_t memsize;
const char *intrstr;
int state;
const struct aac_ident *m;
char intrbuf[PCI_INTRSTR_LEN];

pa = aux;
pc = pa->pa_pc;
pcisc = device_private(self);
pcisc->sc_pc = pc;
sc = &pcisc->sc_aac;
sc->sc_dv = 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, &pcisc->sc_ih)) {
aprint_error("couldn't map interrupt\n");
goto bail_out;
}
intrstr = pci_intr_string(pc, pcisc->sc_ih, intrbuf, sizeof(intrbuf));
sc->sc_ih = pci_intr_establish_xname(pc, pcisc->sc_ih, IPL_BIO,
aac_intr, sc, device_xname(self));
if (sc->sc_ih == NULL) {
aprint_error("couldn't establish interrupt");
if (intrstr != NULL)
aprint_error(" at %s", intrstr);
aprint_error("\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_dev(self, "interrupting at %s\n", 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;

case AAC_HWIF_RKT:
AAC_DPRINTF(AAC_D_MISC,
("set hardware up for MIPS/Rocket"));
sc->sc_if = aac_rkt_interface;
break;
}
sc->sc_regsize = memsize;
sc->sc_intr_set = aac_pci_intr_set;

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);
}

/* ARGSUSED */
static int
aac_pci_rescan(device_t self, const char *ifattr, const int *locs)
{

return aac_devscan(device_private(self));
}

CFATTACH_DECL3_NEW(aac_pci, sizeof(struct aac_pci_softc),
aac_pci_match, aac_pci_attach, NULL, NULL, aac_pci_rescan, NULL, 0);

/*
* Read the current firmware status word.
*/
static int
aac_sa_get_fwstatus(struct aac_softc *sc)
{

return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
}

static int
aac_rx_get_fwstatus(struct aac_softc *sc)
{

return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
}

static int
aac_rkt_get_fwstatus(struct aac_softc *sc)
{

return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
}

/*
* Notify the controller of a change in a given queue
*/

static void
aac_sa_qnotify(struct aac_softc *sc, int qbit)
{

AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
}

static void
aac_rx_qnotify(struct aac_softc *sc, int qbit)
{

AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
}

static void
aac_rkt_qnotify(struct aac_softc *sc, int qbit)
{

AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
}

/*
* Get the interrupt reason bits
*/
static int
aac_sa_get_istatus(struct aac_softc *sc)
{

return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
}

static int
aac_rx_get_istatus(struct aac_softc *sc)
{

return (AAC_GETREG4(sc, AAC_RX_ODBR));
}

static int
aac_rkt_get_istatus(struct aac_softc *sc)
{

return (AAC_GETREG4(sc, AAC_RKT_ODBR));
}

/*
* Clear some interrupt reason bits
*/
static void
aac_sa_clear_istatus(struct aac_softc *sc, int mask)
{

AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
}

static void
aac_rx_clear_istatus(struct aac_softc *sc, int mask)
{

AAC_SETREG4(sc, AAC_RX_ODBR, mask);
}

static void
aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
{

AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
}

/*
* Populate the mailbox and set the command word
*/
static 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);
}

static 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);
}

static void
aac_rkt_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_RKT_MAILBOX, command);
AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
}

/*
* Fetch the specified mailbox
*/
static uint32_t
aac_sa_get_mailbox(struct aac_softc *sc, int mb)
{

return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
}

static uint32_t
aac_rx_get_mailbox(struct aac_softc *sc, int mb)
{

return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
}

static uint32_t
aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
{

return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
}

/*
* Set/clear interrupt masks
*/
static 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);
}

static void
aac_rx_set_interrupts(struct aac_softc *sc, int enable)
{

if (enable) {
if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
else
AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
} else {
AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
}
}

static void
aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
{

if (enable) {
if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
else
AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
} else {
AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
}
}

/*
* New comm. interface: Send command functions
*/
static int
aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
{
u_int32_t index, device;

index = AAC_GETREG4(sc, AAC_RX_IQUE);
if (index == 0xffffffffL)
index = AAC_GETREG4(sc, AAC_RX_IQUE);
if (index == 0xffffffffL)
return index;
#ifdef notyet
aac_enqueue_busy(ac);
#endif
device = index;
AAC_SETREG4(sc, device,
htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
device += 4;
if (sizeof(bus_addr_t) > 4) {
AAC_SETREG4(sc, device,
htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
} else {
AAC_SETREG4(sc, device, 0);
}
device += 4;
AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
AAC_SETREG4(sc, AAC_RX_IQUE, index);
return 0;
}

static int
aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
{
u_int32_t index, device;

index = AAC_GETREG4(sc, AAC_RKT_IQUE);
if (index == 0xffffffffL)
index = AAC_GETREG4(sc, AAC_RKT_IQUE);
if (index == 0xffffffffL)
return index;
#ifdef notyet
aac_enqueue_busy(ac);
#endif
device = index;
AAC_SETREG4(sc, device,
htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
device += 4;
if (sizeof(bus_addr_t) > 4) {
AAC_SETREG4(sc, device,
htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
} else {
AAC_SETREG4(sc, device, 0);
}
device += 4;
AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
AAC_SETREG4(sc, AAC_RKT_IQUE, index);
return 0;
}

/*
* New comm. interface: get, set outbound queue index
*/
static int
aac_rx_get_outb_queue(struct aac_softc *sc)
{

return AAC_GETREG4(sc, AAC_RX_OQUE);
}

static int
aac_rkt_get_outb_queue(struct aac_softc *sc)
{

return AAC_GETREG4(sc, AAC_RKT_OQUE);
}

static void
aac_rx_set_outb_queue(struct aac_softc *sc, int index)
{

AAC_SETREG4(sc, AAC_RX_OQUE, index);
}

static void
aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
{

AAC_SETREG4(sc, AAC_RKT_OQUE, index);
}