freebsd-dev/sys/dev/mvs/mvs_pci.c
Warner Losh 0dc34160f3 Add PNP info to PCI attachments of cbb, cxgb, ida, iwn, ixl, ixlv,
mfi, mps, mpr, mvs, my, oce, pcn, ral, rl. This only labels existing
pci device tables, and has no probe / attach code changes.

Reviewed by: imp, chuck
Submitted by: Lakhan Shiva Kamireddy <lakhanshiva@gmail.com>
Sponsored by: Google, Inc. (GSoC 2018)
Approved by: re (glen)
2018-09-26 17:12:30 +00:00

529 lines
15 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
* 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,
* without modification, immediately at the beginning of the file.
* 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 ``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 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <vm/uma.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include "mvs.h"
/* local prototypes */
static int mvs_setup_interrupt(device_t dev);
static void mvs_intr(void *data);
static int mvs_suspend(device_t dev);
static int mvs_resume(device_t dev);
static int mvs_ctlr_setup(device_t dev);
static struct {
uint32_t id;
uint8_t rev;
const char *name;
int ports;
int quirks;
} mvs_ids[] = {
{0x504011ab, 0x00, "Marvell 88SX5040", 4, MVS_Q_GENI},
{0x504111ab, 0x00, "Marvell 88SX5041", 4, MVS_Q_GENI},
{0x508011ab, 0x00, "Marvell 88SX5080", 8, MVS_Q_GENI},
{0x508111ab, 0x00, "Marvell 88SX5081", 8, MVS_Q_GENI},
{0x604011ab, 0x00, "Marvell 88SX6040", 4, MVS_Q_GENII},
{0x604111ab, 0x00, "Marvell 88SX6041", 4, MVS_Q_GENII},
{0x604211ab, 0x00, "Marvell 88SX6042", 4, MVS_Q_GENIIE},
{0x608011ab, 0x00, "Marvell 88SX6080", 8, MVS_Q_GENII},
{0x608111ab, 0x00, "Marvell 88SX6081", 8, MVS_Q_GENII},
{0x704211ab, 0x00, "Marvell 88SX7042", 4, MVS_Q_GENIIE|MVS_Q_CT},
{0x02419005, 0x00, "Adaptec 1420SA", 4, MVS_Q_GENII},
{0x02439005, 0x00, "Adaptec 1430SA", 4, MVS_Q_GENIIE|MVS_Q_CT},
{0x00000000, 0x00, NULL, 0, 0}
};
static int
mvs_probe(device_t dev)
{
char buf[64];
int i;
uint32_t devid = pci_get_devid(dev);
uint8_t revid = pci_get_revid(dev);
for (i = 0; mvs_ids[i].id != 0; i++) {
if (mvs_ids[i].id == devid &&
mvs_ids[i].rev <= revid) {
snprintf(buf, sizeof(buf), "%s SATA controller",
mvs_ids[i].name);
device_set_desc_copy(dev, buf);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static int
mvs_attach(device_t dev)
{
struct mvs_controller *ctlr = device_get_softc(dev);
device_t child;
int error, unit, i;
uint32_t devid = pci_get_devid(dev);
uint8_t revid = pci_get_revid(dev);
ctlr->dev = dev;
i = 0;
while (mvs_ids[i].id != 0 &&
(mvs_ids[i].id != devid ||
mvs_ids[i].rev > revid))
i++;
ctlr->channels = mvs_ids[i].ports;
ctlr->quirks = mvs_ids[i].quirks;
ctlr->ccc = 0;
resource_int_value(device_get_name(dev),
device_get_unit(dev), "ccc", &ctlr->ccc);
ctlr->cccc = 8;
resource_int_value(device_get_name(dev),
device_get_unit(dev), "cccc", &ctlr->cccc);
if (ctlr->ccc == 0 || ctlr->cccc == 0) {
ctlr->ccc = 0;
ctlr->cccc = 0;
}
if (ctlr->ccc > 100000)
ctlr->ccc = 100000;
device_printf(dev,
"Gen-%s, %d %sGbps ports, Port Multiplier %s%s\n",
((ctlr->quirks & MVS_Q_GENI) ? "I" :
((ctlr->quirks & MVS_Q_GENII) ? "II" : "IIe")),
ctlr->channels,
((ctlr->quirks & MVS_Q_GENI) ? "1.5" : "3"),
((ctlr->quirks & MVS_Q_GENI) ?
"not supported" : "supported"),
((ctlr->quirks & MVS_Q_GENIIE) ?
" with FBS" : ""));
mtx_init(&ctlr->mtx, "MVS controller lock", NULL, MTX_DEF);
/* We should have a memory BAR(0). */
ctlr->r_rid = PCIR_BAR(0);
if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&ctlr->r_rid, RF_ACTIVE)))
return ENXIO;
/* Setup our own memory management for channels. */
ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem);
ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem);
ctlr->sc_iomem.rm_type = RMAN_ARRAY;
ctlr->sc_iomem.rm_descr = "I/O memory addresses";
if ((error = rman_init(&ctlr->sc_iomem)) != 0) {
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
return (error);
}
if ((error = rman_manage_region(&ctlr->sc_iomem,
rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) {
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
rman_fini(&ctlr->sc_iomem);
return (error);
}
pci_enable_busmaster(dev);
mvs_ctlr_setup(dev);
/* Setup interrupts. */
if (mvs_setup_interrupt(dev)) {
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
rman_fini(&ctlr->sc_iomem);
return ENXIO;
}
/* Attach all channels on this controller */
for (unit = 0; unit < ctlr->channels; unit++) {
child = device_add_child(dev, "mvsch", -1);
if (child == NULL)
device_printf(dev, "failed to add channel device\n");
else
device_set_ivars(child, (void *)(intptr_t)unit);
}
bus_generic_attach(dev);
return 0;
}
static int
mvs_detach(device_t dev)
{
struct mvs_controller *ctlr = device_get_softc(dev);
/* Detach & delete all children */
device_delete_children(dev);
/* Free interrupt. */
if (ctlr->irq.r_irq) {
bus_teardown_intr(dev, ctlr->irq.r_irq,
ctlr->irq.handle);
bus_release_resource(dev, SYS_RES_IRQ,
ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
}
pci_release_msi(dev);
/* Free memory. */
rman_fini(&ctlr->sc_iomem);
if (ctlr->r_mem)
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
mtx_destroy(&ctlr->mtx);
return (0);
}
static int
mvs_ctlr_setup(device_t dev)
{
struct mvs_controller *ctlr = device_get_softc(dev);
int i, ccc = ctlr->ccc, cccc = ctlr->cccc, ccim = 0;
/* Mask chip interrupts */
ATA_OUTL(ctlr->r_mem, CHIP_MIM, 0x00000000);
/* Mask PCI interrupts */
ATA_OUTL(ctlr->r_mem, CHIP_PCIIM, 0x00000000);
/* Clear PCI interrupts */
ATA_OUTL(ctlr->r_mem, CHIP_PCIIC, 0x00000000);
if (ccc && bootverbose) {
device_printf(dev,
"CCC with %dus/%dcmd enabled\n",
ctlr->ccc, ctlr->cccc);
}
ccc *= 150;
/* Configure chip-global CCC */
if (ctlr->channels > 4 && (ctlr->quirks & MVS_Q_GENI) == 0) {
ATA_OUTL(ctlr->r_mem, CHIP_ICT, cccc);
ATA_OUTL(ctlr->r_mem, CHIP_ITT, ccc);
ATA_OUTL(ctlr->r_mem, CHIP_ICC, ~CHIP_ICC_ALL_PORTS);
if (ccc)
ccim |= IC_ALL_PORTS_COAL_DONE;
ccc = 0;
cccc = 0;
}
for (i = 0; i < ctlr->channels / 4; i++) {
/* Configure per-HC CCC */
ATA_OUTL(ctlr->r_mem, HC_BASE(i) + HC_ICT, cccc);
ATA_OUTL(ctlr->r_mem, HC_BASE(i) + HC_ITT, ccc);
if (ccc)
ccim |= (IC_HC0_COAL_DONE << (i * IC_HC_SHIFT));
/* Clear HC interrupts */
ATA_OUTL(ctlr->r_mem, HC_BASE(i) + HC_IC, 0x00000000);
}
/* Enable chip interrupts */
ctlr->gmim = (ccim ? ccim : (IC_DONE_HC0 | IC_DONE_HC1)) |
IC_ERR_HC0 | IC_ERR_HC1;
ctlr->mim = ctlr->gmim | ctlr->pmim;
ATA_OUTL(ctlr->r_mem, CHIP_MIM, ctlr->mim);
/* Enable PCI interrupts */
ATA_OUTL(ctlr->r_mem, CHIP_PCIIM, 0x007fffff);
return (0);
}
static void
mvs_edma(device_t dev, device_t child, int mode)
{
struct mvs_controller *ctlr = device_get_softc(dev);
int unit = ((struct mvs_channel *)device_get_softc(child))->unit;
int bit = IC_DONE_IRQ << (unit * 2 + unit / 4) ;
if (ctlr->ccc == 0)
return;
/* CCC is not working for non-EDMA mode. Unmask device interrupts. */
mtx_lock(&ctlr->mtx);
if (mode == MVS_EDMA_OFF)
ctlr->pmim |= bit;
else
ctlr->pmim &= ~bit;
ctlr->mim = ctlr->gmim | ctlr->pmim;
if (!ctlr->msia)
ATA_OUTL(ctlr->r_mem, CHIP_MIM, ctlr->mim);
mtx_unlock(&ctlr->mtx);
}
static int
mvs_suspend(device_t dev)
{
struct mvs_controller *ctlr = device_get_softc(dev);
bus_generic_suspend(dev);
/* Mask chip interrupts */
ATA_OUTL(ctlr->r_mem, CHIP_MIM, 0x00000000);
/* Mask PCI interrupts */
ATA_OUTL(ctlr->r_mem, CHIP_PCIIM, 0x00000000);
return 0;
}
static int
mvs_resume(device_t dev)
{
mvs_ctlr_setup(dev);
return (bus_generic_resume(dev));
}
static int
mvs_setup_interrupt(device_t dev)
{
struct mvs_controller *ctlr = device_get_softc(dev);
int msi = 0;
/* Process hints. */
resource_int_value(device_get_name(dev),
device_get_unit(dev), "msi", &msi);
if (msi < 0)
msi = 0;
else if (msi > 0)
msi = min(1, pci_msi_count(dev));
/* Allocate MSI if needed/present. */
if (msi && pci_alloc_msi(dev, &msi) != 0)
msi = 0;
ctlr->msi = msi;
/* Allocate all IRQs. */
ctlr->irq.r_irq_rid = msi ? 1 : 0;
if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
device_printf(dev, "unable to map interrupt\n");
return (ENXIO);
}
if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL,
mvs_intr, ctlr, &ctlr->irq.handle))) {
device_printf(dev, "unable to setup interrupt\n");
bus_release_resource(dev, SYS_RES_IRQ,
ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
ctlr->irq.r_irq = NULL;
return (ENXIO);
}
return (0);
}
/*
* Common case interrupt handler.
*/
static void
mvs_intr(void *data)
{
struct mvs_controller *ctlr = data;
struct mvs_intr_arg arg;
void (*function)(void *);
int p;
u_int32_t ic, aic;
ic = ATA_INL(ctlr->r_mem, CHIP_MIC);
if (ctlr->msi) {
/* We have to mask MSI during processing. */
mtx_lock(&ctlr->mtx);
ATA_OUTL(ctlr->r_mem, CHIP_MIM, 0);
ctlr->msia = 1; /* Deny MIM update during processing. */
mtx_unlock(&ctlr->mtx);
} else if (ic == 0)
return;
/* Acknowledge all-ports CCC interrupt. */
if (ic & IC_ALL_PORTS_COAL_DONE)
ATA_OUTL(ctlr->r_mem, CHIP_ICC, ~CHIP_ICC_ALL_PORTS);
for (p = 0; p < ctlr->channels; p++) {
if ((p & 3) == 0) {
if (p != 0)
ic >>= 1;
if ((ic & IC_HC0) == 0) {
p += 3;
ic >>= 8;
continue;
}
/* Acknowledge interrupts of this HC. */
aic = 0;
if (ic & (IC_DONE_IRQ << 0))
aic |= HC_IC_DONE(0) | HC_IC_DEV(0);
if (ic & (IC_DONE_IRQ << 2))
aic |= HC_IC_DONE(1) | HC_IC_DEV(1);
if (ic & (IC_DONE_IRQ << 4))
aic |= HC_IC_DONE(2) | HC_IC_DEV(2);
if (ic & (IC_DONE_IRQ << 6))
aic |= HC_IC_DONE(3) | HC_IC_DEV(3);
if (ic & IC_HC0_COAL_DONE)
aic |= HC_IC_COAL;
ATA_OUTL(ctlr->r_mem, HC_BASE(p == 4) + HC_IC, ~aic);
}
/* Call per-port interrupt handler. */
arg.cause = ic & (IC_ERR_IRQ|IC_DONE_IRQ);
if ((arg.cause != 0) &&
(function = ctlr->interrupt[p].function)) {
arg.arg = ctlr->interrupt[p].argument;
function(&arg);
}
ic >>= 2;
}
if (ctlr->msi) {
/* Unmasking MSI triggers next interrupt, if needed. */
mtx_lock(&ctlr->mtx);
ctlr->msia = 0; /* Allow MIM update. */
ATA_OUTL(ctlr->r_mem, CHIP_MIM, ctlr->mim);
mtx_unlock(&ctlr->mtx);
}
}
static struct resource *
mvs_alloc_resource(device_t dev, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count,
u_int flags)
{
struct mvs_controller *ctlr = device_get_softc(dev);
int unit = ((struct mvs_channel *)device_get_softc(child))->unit;
struct resource *res = NULL;
int offset = HC_BASE(unit >> 2) + PORT_BASE(unit & 0x03);
rman_res_t st;
switch (type) {
case SYS_RES_MEMORY:
st = rman_get_start(ctlr->r_mem);
res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
st + offset + PORT_SIZE - 1, PORT_SIZE, RF_ACTIVE, child);
if (res) {
bus_space_handle_t bsh;
bus_space_tag_t bst;
bsh = rman_get_bushandle(ctlr->r_mem);
bst = rman_get_bustag(ctlr->r_mem);
bus_space_subregion(bst, bsh, offset, PORT_SIZE, &bsh);
rman_set_bushandle(res, bsh);
rman_set_bustag(res, bst);
}
break;
case SYS_RES_IRQ:
if (*rid == ATA_IRQ_RID)
res = ctlr->irq.r_irq;
break;
}
return (res);
}
static int
mvs_release_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
switch (type) {
case SYS_RES_MEMORY:
rman_release_resource(r);
return (0);
case SYS_RES_IRQ:
if (rid != ATA_IRQ_RID)
return ENOENT;
return (0);
}
return (EINVAL);
}
static int
mvs_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_filter_t *filter, driver_intr_t *function,
void *argument, void **cookiep)
{
struct mvs_controller *ctlr = device_get_softc(dev);
int unit = (intptr_t)device_get_ivars(child);
if (filter != NULL) {
printf("mvs.c: we cannot use a filter here\n");
return (EINVAL);
}
ctlr->interrupt[unit].function = function;
ctlr->interrupt[unit].argument = argument;
return (0);
}
static int
mvs_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
struct mvs_controller *ctlr = device_get_softc(dev);
int unit = (intptr_t)device_get_ivars(child);
ctlr->interrupt[unit].function = NULL;
ctlr->interrupt[unit].argument = NULL;
return (0);
}
static int
mvs_print_child(device_t dev, device_t child)
{
int retval;
retval = bus_print_child_header(dev, child);
retval += printf(" at channel %d",
(int)(intptr_t)device_get_ivars(child));
retval += bus_print_child_footer(dev, child);
return (retval);
}
static int
mvs_child_location_str(device_t dev, device_t child, char *buf,
size_t buflen)
{
snprintf(buf, buflen, "channel=%d",
(int)(intptr_t)device_get_ivars(child));
return (0);
}
static bus_dma_tag_t
mvs_get_dma_tag(device_t bus, device_t child)
{
return (bus_get_dma_tag(bus));
}
static device_method_t mvs_methods[] = {
DEVMETHOD(device_probe, mvs_probe),
DEVMETHOD(device_attach, mvs_attach),
DEVMETHOD(device_detach, mvs_detach),
DEVMETHOD(device_suspend, mvs_suspend),
DEVMETHOD(device_resume, mvs_resume),
DEVMETHOD(bus_print_child, mvs_print_child),
DEVMETHOD(bus_alloc_resource, mvs_alloc_resource),
DEVMETHOD(bus_release_resource, mvs_release_resource),
DEVMETHOD(bus_setup_intr, mvs_setup_intr),
DEVMETHOD(bus_teardown_intr,mvs_teardown_intr),
DEVMETHOD(bus_child_location_str, mvs_child_location_str),
DEVMETHOD(bus_get_dma_tag, mvs_get_dma_tag),
DEVMETHOD(mvs_edma, mvs_edma),
{ 0, 0 }
};
static driver_t mvs_driver = {
"mvs",
mvs_methods,
sizeof(struct mvs_controller)
};
DRIVER_MODULE(mvs, pci, mvs_driver, mvs_devclass, 0, 0);
MODULE_PNP_INFO("W32:vendor/device", pci, mvs, mvs_ids,
nitems(mvs_ids) - 1);
MODULE_VERSION(mvs, 1);
MODULE_DEPEND(mvs, cam, 1, 1, 1);