1b7cfe4458
channels. This also work when PCI native mode has been selected (patch for /sys/dev/pci/pci.c needed for that) since pci_get_progif uses the saved value for progif, not the one stored after we may have changed from legacy mode to native PCI mode.
552 lines
15 KiB
C
552 lines
15 KiB
C
/*-
|
|
* Copyright (c) 1998 - 2004 Søren Schmidt <sos@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.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* 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 "opt_ata.h"
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/sema.h>
|
|
#include <sys/taskqueue.h>
|
|
#include <vm/uma.h>
|
|
#include <machine/stdarg.h>
|
|
#include <machine/resource.h>
|
|
#include <machine/bus.h>
|
|
#ifdef __alpha__
|
|
#include <machine/md_var.h>
|
|
#endif
|
|
#include <sys/rman.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/ata/ata-all.h>
|
|
#include <dev/ata/ata-pci.h>
|
|
|
|
/* local vars */
|
|
static MALLOC_DEFINE(M_ATAPCI, "ATA PCI", "ATA driver PCI");
|
|
|
|
/* misc defines */
|
|
#define IOMASK 0xfffffffc
|
|
|
|
/* prototypes */
|
|
static int ata_pci_allocate(device_t, struct ata_channel *);
|
|
static void ata_pci_dmainit(struct ata_channel *);
|
|
static void ata_pci_locknoop(struct ata_channel *, int);
|
|
|
|
int
|
|
ata_legacy(device_t dev)
|
|
{
|
|
return ((pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV) &&
|
|
((pci_read_config(dev, PCIR_PROGIF, 1) &
|
|
(PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) !=
|
|
(PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)));
|
|
}
|
|
|
|
static int
|
|
ata_pci_probe(device_t dev)
|
|
{
|
|
if (pci_get_class(dev) != PCIC_STORAGE)
|
|
return ENXIO;
|
|
|
|
switch (pci_get_vendor(dev)) {
|
|
case ATA_ACARD_ID:
|
|
if (!ata_acard_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_ACER_LABS_ID:
|
|
if (!ata_ali_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_AMD_ID:
|
|
if (!ata_amd_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_CYRIX_ID:
|
|
if (!ata_cyrix_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_CYPRESS_ID:
|
|
if (!ata_cypress_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_HIGHPOINT_ID:
|
|
if (!ata_highpoint_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_INTEL_ID:
|
|
if (!ata_intel_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_NATIONAL_ID:
|
|
if (!ata_national_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_NVIDIA_ID:
|
|
if (!ata_nvidia_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_PROMISE_ID:
|
|
if (!ata_promise_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_SERVERWORKS_ID:
|
|
if (!ata_serverworks_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_SILICON_IMAGE_ID:
|
|
if (!ata_sii_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_SIS_ID:
|
|
if (!ata_sis_ident(dev))
|
|
return 0;
|
|
break;
|
|
case ATA_VIA_ID:
|
|
if (!ata_via_ident(dev))
|
|
return 0;
|
|
break;
|
|
case 0x16ca:
|
|
if (pci_get_devid(dev) == 0x000116ca) {
|
|
ata_generic_ident(dev);
|
|
device_set_desc(dev, "Cenatek Rocket Drive controller");
|
|
return 0;
|
|
}
|
|
break;
|
|
case 0x1042:
|
|
if (pci_get_devid(dev)==0x10001042 || pci_get_devid(dev)==0x10011042) {
|
|
ata_generic_ident(dev);
|
|
device_set_desc(dev,
|
|
"RZ 100? ATA controller !WARNING! buggy HW data loss possible");
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* unknown chipset, try generic DMA if it seems possible */
|
|
if ((pci_get_class(dev) == PCIC_STORAGE) &&
|
|
(pci_get_subclass(dev) == PCIS_STORAGE_IDE))
|
|
return ata_generic_ident(dev);
|
|
|
|
return ENXIO;
|
|
}
|
|
|
|
static int
|
|
ata_pci_attach(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(dev);
|
|
u_int32_t cmd;
|
|
int unit;
|
|
|
|
/* do chipset specific setups only needed once */
|
|
if (ata_legacy(dev) || pci_read_config(dev, 0x18, 4) & IOMASK)
|
|
ctlr->channels = 2;
|
|
else
|
|
ctlr->channels = 1;
|
|
ctlr->allocate = ata_pci_allocate;
|
|
ctlr->dmainit = ata_pci_dmainit;
|
|
ctlr->locking = ata_pci_locknoop;
|
|
|
|
/* if needed try to enable busmastering */
|
|
cmd = pci_read_config(dev, PCIR_COMMAND, 2);
|
|
if (!(cmd & PCIM_CMD_BUSMASTEREN)) {
|
|
pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2);
|
|
cmd = pci_read_config(dev, PCIR_COMMAND, 2);
|
|
}
|
|
|
|
/* if busmastering mode "stuck" use it */
|
|
if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) {
|
|
ctlr->r_type1 = SYS_RES_IOPORT;
|
|
ctlr->r_rid1 = ATA_BMADDR_RID;
|
|
ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1,
|
|
RF_ACTIVE);
|
|
}
|
|
|
|
ctlr->chipinit(dev);
|
|
|
|
/* attach all channels on this controller */
|
|
for (unit = 0; unit < ctlr->channels; unit++)
|
|
device_add_child(dev, "ata", (pci_get_progif(dev) & 0x85) == 0x80 ?
|
|
unit : devclass_find_free_unit(ata_devclass, 2));
|
|
|
|
return bus_generic_attach(dev);
|
|
}
|
|
|
|
static int
|
|
ata_pci_detach(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(dev);
|
|
struct ata_channel *ch;
|
|
int unit;
|
|
|
|
/* mark HW as gone, we dont want to issue commands to HW no longer there */
|
|
for (unit = 0; unit < ctlr->channels; unit++) {
|
|
if ((ch = ctlr->interrupt[unit].argument))
|
|
ch->flags |= ATA_HWGONE;
|
|
}
|
|
|
|
bus_generic_detach(dev);
|
|
|
|
if (ctlr->r_irq) {
|
|
bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle);
|
|
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ctlr->r_irq);
|
|
}
|
|
if (ctlr->r_res2)
|
|
bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2);
|
|
if (ctlr->r_res1)
|
|
bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_pci_print_child(device_t dev, device_t child)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(child);
|
|
int retval = 0;
|
|
|
|
retval += bus_print_child_header(dev, child);
|
|
retval += printf(": at 0x%lx", rman_get_start(ch->r_io[ATA_IDX_ADDR].res));
|
|
|
|
if (ata_legacy(dev))
|
|
retval += printf(" irq %d", 14 + ch->unit);
|
|
|
|
retval += bus_print_child_footer(dev, child);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static struct resource *
|
|
ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, u_int flags)
|
|
{
|
|
struct ata_pci_controller *controller = device_get_softc(dev);
|
|
int unit = ((struct ata_channel *)device_get_softc(child))->unit;
|
|
struct resource *res = NULL;
|
|
int myrid;
|
|
|
|
if (type == SYS_RES_IOPORT) {
|
|
switch (*rid) {
|
|
case ATA_IOADDR_RID:
|
|
if (ata_legacy(dev)) {
|
|
start = (unit ? ATA_SECONDARY : ATA_PRIMARY);
|
|
count = ATA_IOSIZE;
|
|
end = start + count - 1;
|
|
}
|
|
myrid = 0x10 + 8 * unit;
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
break;
|
|
|
|
case ATA_ALTADDR_RID:
|
|
if (ata_legacy(dev)) {
|
|
start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET;
|
|
count = ATA_ALTIOSIZE;
|
|
end = start + count - 1;
|
|
}
|
|
myrid = 0x14 + 8 * unit;
|
|
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, &myrid,
|
|
start, end, count, flags);
|
|
break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
|
|
if (ata_legacy(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_alloc_ide_intr(unit);
|
|
#else
|
|
int irq = (unit == 0 ? 14 : 15);
|
|
|
|
return BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IRQ, rid, irq, irq, 1, flags);
|
|
#endif
|
|
}
|
|
else {
|
|
return controller->r_irq;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
|
|
struct resource *r)
|
|
{
|
|
int unit = ((struct ata_channel *)device_get_softc(child))->unit;
|
|
|
|
if (type == SYS_RES_IOPORT) {
|
|
switch (rid) {
|
|
case ATA_IOADDR_RID:
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, 0x10 + 8 * unit, r);
|
|
break;
|
|
|
|
case ATA_ALTADDR_RID:
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
|
|
SYS_RES_IOPORT, 0x14 + 8 * unit, r);
|
|
break;
|
|
default:
|
|
return ENOENT;
|
|
}
|
|
}
|
|
if (type == SYS_RES_IRQ) {
|
|
if (rid != ATA_IRQ_RID)
|
|
return ENOENT;
|
|
|
|
if (ata_legacy(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_release_ide_intr(unit, r);
|
|
#else
|
|
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
|
|
SYS_RES_IRQ, rid, r);
|
|
#endif
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
return EINVAL;
|
|
}
|
|
|
|
static int
|
|
ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
|
|
int flags, driver_intr_t *function, void *argument,
|
|
void **cookiep)
|
|
{
|
|
if (ata_legacy(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_setup_ide_intr(child, irq, function, argument,
|
|
cookiep);
|
|
#else
|
|
return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
|
|
flags, function, argument, cookiep);
|
|
#endif
|
|
}
|
|
else {
|
|
struct ata_pci_controller *controller = device_get_softc(dev);
|
|
int unit = ((struct ata_channel *)device_get_softc(child))->unit;
|
|
|
|
controller->interrupt[unit].function = function;
|
|
controller->interrupt[unit].argument = argument;
|
|
*cookiep = controller;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
|
|
void *cookie)
|
|
{
|
|
if (ata_legacy(dev)) {
|
|
#ifdef __alpha__
|
|
return alpha_platform_teardown_ide_intr(child, irq, cookie);
|
|
#else
|
|
return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie);
|
|
#endif
|
|
}
|
|
else {
|
|
struct ata_pci_controller *controller = device_get_softc(dev);
|
|
int unit = ((struct ata_channel *)device_get_softc(child))->unit;
|
|
|
|
controller->interrupt[unit].function = NULL;
|
|
controller->interrupt[unit].argument = NULL;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ata_pci_allocate(device_t dev, struct ata_channel *ch)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct resource *io = NULL, *altio = NULL;
|
|
int i, rid;
|
|
|
|
rid = ATA_IOADDR_RID;
|
|
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
|
|
0, ~0, ATA_IOSIZE, RF_ACTIVE);
|
|
if (!io)
|
|
return ENXIO;
|
|
|
|
rid = ATA_ALTADDR_RID;
|
|
altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
|
|
0, ~0, ATA_ALTIOSIZE, RF_ACTIVE);
|
|
if (!altio) {
|
|
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
|
|
return ENXIO;
|
|
}
|
|
|
|
for (i = ATA_DATA; i <= ATA_STATUS; i ++) {
|
|
ch->r_io[i].res = io;
|
|
ch->r_io[i].offset = i;
|
|
}
|
|
ch->r_io[ATA_ALTSTAT].res = altio;
|
|
ch->r_io[ATA_ALTSTAT].offset = ata_legacy(device_get_parent(dev)) ? 0 : 2;
|
|
ch->r_io[ATA_IDX_ADDR].res = io;
|
|
|
|
if (ctlr->r_res1) {
|
|
for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) {
|
|
ch->r_io[i].res = ctlr->r_res1;
|
|
ch->r_io[i].offset = (i - ATA_BMCMD_PORT)+(ch->unit * ATA_BMIOSIZE);
|
|
}
|
|
|
|
/* if simplex controller, only allow DMA on primary channel */
|
|
ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_IDX_INB(ch, ATA_BMSTAT_PORT) &
|
|
(ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE));
|
|
if (ch->unit > 0 &&
|
|
(ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_DMA_SIMPLEX))
|
|
device_printf(dev, "simplex device, DMA on primary only\n");
|
|
else
|
|
ctlr->dmainit(ch);
|
|
}
|
|
|
|
ata_generic_hw(ch);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_pci_dmastart(struct ata_channel *ch)
|
|
{
|
|
ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) |
|
|
(ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
|
|
ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, ch->dma->mdmatab);
|
|
ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
|
|
((ch->dma->flags & ATA_DMA_READ) ? ATA_BMCMD_WRITE_READ : 0) |
|
|
ATA_BMCMD_START_STOP);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_pci_dmastop(struct ata_channel *ch)
|
|
{
|
|
int error;
|
|
|
|
error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
|
|
ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
|
|
ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
|
|
ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
ata_pci_dmainit(struct ata_channel *ch)
|
|
{
|
|
ata_dmainit(ch);
|
|
if (ch->dma) {
|
|
ch->dma->start = ata_pci_dmastart;
|
|
ch->dma->stop = ata_pci_dmastop;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ata_pci_locknoop(struct ata_channel *ch, int flags)
|
|
{
|
|
}
|
|
|
|
static device_method_t ata_pci_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pci_probe),
|
|
DEVMETHOD(device_attach, ata_pci_attach),
|
|
DEVMETHOD(device_detach, ata_pci_detach),
|
|
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
|
DEVMETHOD(device_suspend, bus_generic_suspend),
|
|
DEVMETHOD(device_resume, bus_generic_resume),
|
|
|
|
/* bus methods */
|
|
DEVMETHOD(bus_print_child, ata_pci_print_child),
|
|
DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, ata_pci_release_resource),
|
|
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
|
|
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
|
|
DEVMETHOD(bus_setup_intr, ata_pci_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ata_pci_driver = {
|
|
"atapci",
|
|
ata_pci_methods,
|
|
sizeof(struct ata_pci_controller),
|
|
};
|
|
|
|
static devclass_t ata_pci_devclass;
|
|
|
|
DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0);
|
|
|
|
static int
|
|
ata_pcisub_probe(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
device_t *children;
|
|
int count, error, i;
|
|
|
|
/* take care of green memory */
|
|
bzero(ch, sizeof(struct ata_channel));
|
|
|
|
/* find channel number on this controller */
|
|
device_get_children(device_get_parent(dev), &children, &count);
|
|
for (i = 0; i < count; i++) {
|
|
if (children[i] == dev)
|
|
ch->unit = i;
|
|
}
|
|
free(children, M_TEMP);
|
|
|
|
if ((error = ctlr->allocate(dev, ch)))
|
|
return error;
|
|
|
|
ch->device[MASTER].setmode = ctlr->setmode;
|
|
ch->device[SLAVE].setmode = ctlr->setmode;
|
|
ch->locking = ctlr->locking;
|
|
return ata_probe(dev);
|
|
}
|
|
|
|
static device_method_t ata_pcisub_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, ata_pcisub_probe),
|
|
DEVMETHOD(device_attach, ata_attach),
|
|
DEVMETHOD(device_detach, ata_detach),
|
|
DEVMETHOD(device_suspend, ata_suspend),
|
|
DEVMETHOD(device_resume, ata_resume),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ata_pcisub_driver = {
|
|
"ata",
|
|
ata_pcisub_methods,
|
|
sizeof(struct ata_channel),
|
|
};
|
|
|
|
DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0);
|