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Split out the ata probes in seperate files for each bus type.

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This commit is contained in:
sos 2001-03-06 21:43:46 +00:00
parent c89fb41583
commit 2b02448def
7 changed files with 927 additions and 825 deletions
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6
sys/conf/files
View File

@ -244,9 +244,13 @@ dev/ar/if_ar.c optional ar
dev/ar/if_ar_pci.c optional ar pci
dev/asr/asr.c optional asr pci
dev/ata/ata-all.c optional ata
dev/ata/ata-isa.c optional ata isa
dev/ata/ata-card.c optional ata card
#dev/ata/ata-card.c optional ata pccard
dev/ata/ata-pci.c optional ata pci
dev/ata/ata-dma.c optional ata pci
dev/ata/ata-disk.c optional atadisk
dev/ata/ata-raid.c optional atadisk
dev/ata/ata-dma.c optional ata
dev/ata/atapi-all.c optional atapicd
dev/ata/atapi-all.c optional atapifd
dev/ata/atapi-all.c optional atapist

797
sys/dev/ata/ata-all.c
View File

@ -28,10 +28,7 @@
* $FreeBSD$
*/
#include "card.h"
#include "pci.h"
#include "opt_global.h"
#include "opt_isa.h"
#include "opt_ata.h"
#include <sys/param.h>
#include <sys/systm.h>
@ -47,14 +44,6 @@
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#if NPCI > 0
#include <pci/pcivar.h>
#include <pci/pcireg.h>
#endif
#ifdef DEV_ISA
#include <isa/isavar.h>
#include <isa/isareg.h>
#endif
#ifdef __alpha__
#include <machine/md_var.h>
#endif
@ -62,20 +51,7 @@
#include <dev/ata/ata-disk.h>
#include <dev/ata/atapi-all.h>
/* misc defines */
#define IOMASK 0xfffffffc
#define ATA_IOADDR_RID 0
#define ATA_ALTADDR_RID 1
#define ATA_BMADDR_RID 2
#define ATA_IRQ_RID 0
#define ATA_MASTERDEV(dev) ((pci_get_progif(dev) & 0x80) && \
(pci_get_progif(dev) & 0x05) != 0x05)
/* prototypes */
static int ata_probe(device_t);
static int ata_attach(device_t);
static int ata_detach(device_t);
static int ata_resume(device_t);
static void ata_boot_attach(void);
static void ata_intr(void *);
static int ata_getparam(struct ata_softc *, int, u_int8_t);
@ -85,716 +61,15 @@ static void bswap(int8_t *, int);
static void btrim(int8_t *, int);
static void bpack(int8_t *, int8_t *, int);
/* global vars */
devclass_t ata_devclass;
/* local vars */
static devclass_t ata_devclass;
static devclass_t ata_pci_devclass;
static struct intr_config_hook *ata_delayed_attach = NULL;
static char ata_conf[256];
static MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer");
#ifdef DEV_ISA
static struct isa_pnp_id ata_ids[] = {
{0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */
{0x0106d041, "Plus Hardcard II"}, /* PNP0601 */
{0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */
{0x0306d041, "Generic ATA"}, /* PNP0603 */
{0}
};
static int
ata_isa_probe(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
struct resource *io;
int rid;
u_long tmp;
/* check isapnp ids */
if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
return ENXIO;
/* allocate the io port range to get the start address */
rid = ATA_IOADDR_RID;
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE);
if (!io)
return ENOMEM;
/* set the altport range */
if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
rman_get_start(io) + ATA_ALTOFFSET, ATA_ALTIOSIZE);
}
bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
scp->channel = 0;
scp->flags |= ATA_USE_16BIT;
return ata_probe(dev);
}
static device_method_t ata_isa_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_isa_probe),
DEVMETHOD(device_attach, ata_attach),
DEVMETHOD(device_resume, ata_resume),
{ 0, 0 }
};
static driver_t ata_isa_driver = {
"ata",
ata_isa_methods,
sizeof(struct ata_softc),
};
DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);
#endif
#if NCARD > 0
static int
ata_pccard_probe(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
struct resource *io;
int rid, len, start, end;
u_long tmp;
/* allocate the io range to get start and length */
rid = ATA_IOADDR_RID;
len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid);
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE);
if (!io)
return ENOMEM;
/* reallocate the io address to only cover the io ports */
start = rman_get_start(io);
end = start + ATA_IOSIZE - 1;
bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
start, end, ATA_IOSIZE, RF_ACTIVE);
bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
/*
* if we got more than the default ATA_IOSIZE ports, this is likely
* a pccard system where the altio ports are located at offset 14
* otherwise its the normal altio offset
*/
if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
if (len > ATA_IOSIZE) {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
start + ATA_PCCARD_ALTOFFSET, ATA_ALTIOSIZE);
}
else {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
start + ATA_ALTOFFSET, ATA_ALTIOSIZE);
}
}
else
return ENOMEM;
scp->channel = 0;
scp->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
return ata_probe(dev);
}
static device_method_t ata_pccard_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_pccard_probe),
DEVMETHOD(device_attach, ata_attach),
DEVMETHOD(device_detach, ata_detach),
{ 0, 0 }
};
static driver_t ata_pccard_driver = {
"ata",
ata_pccard_methods,
sizeof(struct ata_softc),
};
DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);
#endif
#if NPCI > 0
struct ata_pci_softc {
struct resource *bmio;
int bmaddr;
struct resource *irq;
int irqcnt;
};
int
ata_find_dev(device_t dev, u_int32_t type, u_int32_t revid)
{
device_t *children, child;
int nchildren, i;
if (device_get_children(device_get_parent(dev), &children, &nchildren))
return 0;
for (i = 0; i < nchildren; i++) {
child = children[i];
/* check that it's on the same silicon and the device we want */
if (pci_get_slot(dev) == pci_get_slot(child) &&
pci_get_vendor(child) == (type & 0xffff) &&
pci_get_device(child) == ((type & 0xffff0000) >> 16) &&
pci_get_revid(child) >= revid) {
free(children, M_TEMP);
return 1;
}
}
free(children, M_TEMP);
return 0;
}
static const char *
ata_pci_match(device_t dev)
{
if (pci_get_class(dev) != PCIC_STORAGE)
return NULL;
switch (pci_get_devid(dev)) {
/* supported chipsets */
case 0x12308086:
return "Intel PIIX ATA controller";
case 0x70108086:
return "Intel PIIX3 ATA controller";
case 0x71118086:
case 0x71998086:
return "Intel PIIX4 ATA33 controller";
case 0x24218086:
return "Intel ICH0 ATA33 controller";
case 0x24118086:
return "Intel ICH ATA66 controller";
case 0x244b8086:
return "Intel ICH2 ATA100 controller";
case 0x522910b9:
if (pci_get_revid(dev) < 0x20)
return "AcerLabs Aladdin ATA controller";
else
return "AcerLabs Aladdin ATA33 controller";
case 0x05711106:
if (ata_find_dev(dev, 0x05861106, 0x02))
return "VIA 82C586 ATA33 controller";
if (ata_find_dev(dev, 0x05861106, 0))
return "VIA 82C586 ATA controller";
if (ata_find_dev(dev, 0x05961106, 0x12))
return "VIA 82C596 ATA66 controller";
if (ata_find_dev(dev, 0x05961106, 0))
return "VIA 82C596 ATA33 controller";
if (ata_find_dev(dev, 0x06861106, 0x40))
return "VIA 82C686 ATA100 controller";
if (ata_find_dev(dev, 0x06861106, 0))
return "VIA 82C686 ATA66 controller";
return "VIA Apollo ATA controller";
case 0x55131039:
return "SiS 5591 ATA33 controller";
case 0x06491095:
return "CMD 649 ATA100 controller";
case 0x06481095:
return "CMD 648 ATA66 controller";
case 0x06461095:
return "CMD 646 ATA controller";
case 0xc6931080:
if (pci_get_subclass(dev) == PCIS_STORAGE_IDE)
return "Cypress 82C693 ATA controller";
break;
case 0x01021078:
return "Cyrix 5530 ATA33 controller";
case 0x74091022:
return "AMD 756 ATA66 controller";
case 0x02111166:
return "ServerWorks ROSB4 ATA33 controller";
case 0x4d33105a:
return "Promise ATA33 controller";
case 0x4d38105a:
return "Promise ATA66 controller";
case 0x0d30105a:
case 0x4d30105a:
return "Promise ATA100 controller";
case 0x00041103:
switch (pci_get_revid(dev)) {
case 0x00:
case 0x01:
return "HighPoint HPT366 ATA66 controller";
case 0x02:
return "HighPoint HPT368 ATA66 controller";
case 0x03:
case 0x04:
return "HighPoint HPT370 ATA100 controller";
default:
return "Unknown revision HighPoint ATA controller";
}
/* unsupported but known chipsets, generic DMA only */
case 0x10001042:
case 0x10011042:
return "RZ 100? ATA controller !WARNING! buggy chip data loss possible";
case 0x06401095:
return "CMD 640 ATA controller !WARNING! buggy chip data loss possible";
/* unknown chipsets, try generic DMA if it seems possible */
default:
if (pci_get_class(dev) == PCIC_STORAGE &&
(pci_get_subclass(dev) == PCIS_STORAGE_IDE))
return "Generic PCI ATA controller";
}
return NULL;
}
static int
ata_pci_probe(device_t dev)
{
const char *desc = ata_pci_match(dev);
if (desc) {
device_set_desc(dev, desc);
return 0;
}
else
return ENXIO;
}
static int
ata_pci_add_child(device_t dev, int unit)
{
device_t child;
/* check if this is located at one of the std addresses */
if (ATA_MASTERDEV(dev)) {
if (!(child = device_add_child(dev, "ata", unit)))
return ENOMEM;
}
else {
if (!(child = device_add_child(dev, "ata", 2)))
return ENOMEM;
}
return 0;
}
static int
ata_pci_attach(device_t dev)
{
struct ata_pci_softc *sc = device_get_softc(dev);
u_int8_t class, subclass;
u_int32_t type, cmd;
int rid;
/* set up vendor-specific stuff */
type = pci_get_devid(dev);
class = pci_get_class(dev);
subclass = pci_get_subclass(dev);
cmd = pci_read_config(dev, PCIR_COMMAND, 4);
/* is busmastering supported ? */
if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) ==
(PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) {
/* is there a valid port range to connect to ? */
rid = 0x20;
sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
0, ~0, 1, RF_ACTIVE);
if (!sc->bmio)
device_printf(dev, "Busmastering DMA not configured\n");
}
else
device_printf(dev, "Busmastering DMA not supported\n");
/* do extra chipset specific setups */
switch (type) {
case 0x522910b9: /* Aladdin need to activate the ATAPI FIFO */
pci_write_config(dev, 0x53,
(pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1);
break;
case 0x4d38105a: /* Promise 66 & 100 need their clock changed */
case 0x4d30105a:
case 0x0d30105a:
ATA_OUTB(sc->bmio, 0x11, ATA_INB(sc->bmio, 0x11) | 0x0a);
/* FALLTHROUGH */
case 0x4d33105a: /* Promise (all) need burst mode to be turned on */
ATA_OUTB(sc->bmio, 0x1f, ATA_INB(sc->bmio, 0x1f) | 0x01);
break;
case 0x00041103: /* HighPoint */
switch (pci_get_revid(dev)) {
case 0x00:
case 0x01:
/* turn off interrupt prediction */
pci_write_config(dev, 0x51,
(pci_read_config(dev, 0x51, 1) & ~0x80), 1);
break;
case 0x02:
case 0x03:
case 0x04:
/* turn off interrupt prediction */
pci_write_config(dev, 0x51,
(pci_read_config(dev, 0x51, 1) & ~0x02), 1);
pci_write_config(dev, 0x55,
(pci_read_config(dev, 0x55, 1) & ~0x02), 1);
/* turn on interrupts */
pci_write_config(dev, 0x5a,
(pci_read_config(dev, 0x5a, 1) & ~0x10), 1);
}
break;
case 0x05711106:
case 0x74091022: /* VIA 82C586, 82C596, 82C686 & AMD 756 default setup */
/* set prefetch, postwrite */
pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
/* set fifo configuration half'n'half */
pci_write_config(dev, 0x43,
(pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1);
/* set status register read retry */
pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1);
/* set DMA read & end-of-sector fifo flush */
pci_write_config(dev, 0x46,
(pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1);
/* set sector size */
pci_write_config(dev, 0x60, DEV_BSIZE, 2);
pci_write_config(dev, 0x68, DEV_BSIZE, 2);
/* prepare for ATA-66 on the 82C686 and rev 0x12 and newer 82C596's */
if (ata_find_dev(dev, 0x06861106, 0) ||
ata_find_dev(dev, 0x05961106, 0x12)) {
pci_write_config(dev, 0x50,
pci_read_config(dev, 0x50, 4) | 0x070f070f, 4);
}
break;
case 0x10001042: /* RZ 100? known bad, no DMA */
case 0x10011042:
case 0x06401095: /* CMD 640 known bad, no DMA */
sc->bmio = NULL;
device_printf(dev, "Busmastering DMA disabled\n");
}
if (sc->bmio) {
sc->bmaddr = rman_get_start(sc->bmio);
BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, rid, sc->bmio);
sc->bmio = NULL;
}
/*
* the Cypress chip is a mess, it contains two ATA functions, but
* both channels are visible on the first one.
* simply ignore the second function for now, as the right
* solution (ignoring the second channel on the first function)
* doesn't work with the crappy ATA interrupt setup on the alpha.
*/
if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1)
return 0;
ata_pci_add_child(dev, 0);
if (ATA_MASTERDEV(dev) || pci_read_config(dev, 0x18, 4) & IOMASK)
ata_pci_add_child(dev, 1);
return bus_generic_attach(dev);
}
static int
ata_pci_print_child(device_t dev, device_t child)
{
struct ata_softc *scp = device_get_softc(child);
int retval = 0;
retval += bus_print_child_header(dev, child);
retval += printf(": at 0x%lx", rman_get_start(scp->r_io));
if (ATA_MASTERDEV(dev))
retval += printf(" irq %d", 14 + scp->channel);
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_softc *sc = device_get_softc(dev);
struct resource *res = NULL;
int channel = ((struct ata_softc *)device_get_softc(child))->channel;
int myrid;
if (type == SYS_RES_IOPORT) {
switch (*rid) {
case ATA_IOADDR_RID:
if (ATA_MASTERDEV(dev)) {
myrid = 0;
start = (channel ? ATA_SECONDARY : ATA_PRIMARY);
end = start + ATA_IOSIZE - 1;
count = ATA_IOSIZE;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
else {
myrid = 0x10 + 8 * channel;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
break;
case ATA_ALTADDR_RID:
if (ATA_MASTERDEV(dev)) {
myrid = 0;
start = (channel ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET;
end = start + ATA_ALTIOSIZE - 1;
count = ATA_ALTIOSIZE;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
else {
myrid = 0x14 + 8 * channel;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
if (res) {
start = rman_get_start(res) + 2;
end = start + ATA_ALTIOSIZE - 1;
count = ATA_ALTIOSIZE;
BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, myrid, res);
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
}
break;
case ATA_BMADDR_RID:
if (sc->bmaddr) {
myrid = 0x20;
start = (channel == 0 ? sc->bmaddr : sc->bmaddr + ATA_BMIOSIZE);
end = start + ATA_BMIOSIZE - 1;
count = ATA_BMIOSIZE;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
}
return res;
}
if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
if (ATA_MASTERDEV(dev)) {
#ifdef __alpha__
return alpha_platform_alloc_ide_intr(channel);
#else
int irq = (channel == 0 ? 14 : 15);
return BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IRQ, rid,
irq, irq, 1, flags & ~RF_SHAREABLE);
#endif
}
else {
/* primary and secondary channels share the same interrupt */
sc->irqcnt++;
if (!sc->irq)
sc->irq = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IRQ, rid, 0, ~0, 1, flags);
return sc->irq;
}
}
return 0;
}
static int
ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct ata_pci_softc *sc = device_get_softc(dev);
int channel = ((struct ata_softc *)device_get_softc(child))->channel;
int myrid = 0;
if (type == SYS_RES_IOPORT) {
switch (rid) {
case ATA_IOADDR_RID:
if (ATA_MASTERDEV(dev))
myrid = 0;
else
myrid = 0x10 + 8 * channel;
break;
case ATA_ALTADDR_RID:
if (ATA_MASTERDEV(dev))
myrid = 0;
else
myrid = 0x14 + 8 * channel;
break;
case ATA_BMADDR_RID:
myrid = 0x20;
break;
default:
return ENOENT;
}
if (ATA_MASTERDEV(dev))
/* make the parent just pass through the allocation. */
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, myrid, r);
else
/* we are using the parent resource directly. */
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, myrid, r);
}
if (type == SYS_RES_IRQ) {
if (rid != ATA_IRQ_RID)
return ENOENT;
if (ATA_MASTERDEV(dev)) {
#ifdef __alpha__
return alpha_platform_release_ide_intr(channel, r);
#else
return BUS_RELEASE_RESOURCE(device_get_parent(dev),
child, SYS_RES_IRQ, rid, r);
#endif
}
else {
if (--sc->irqcnt)
return 0;
return BUS_RELEASE_RESOURCE(device_get_parent(dev),
dev, SYS_RES_IRQ, rid, r);
}
}
return EINVAL;
}
static int
ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_intr_t *intr, void *arg,
void **cookiep)
{
if (ATA_MASTERDEV(dev)) {
#ifdef __alpha__
return alpha_platform_setup_ide_intr(child, irq, intr, arg, cookiep);
#else
return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
flags, intr, arg, cookiep);
#endif
}
else
return BUS_SETUP_INTR(device_get_parent(dev), dev, irq,
flags, intr, arg, cookiep);
}
static int
ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
if (ATA_MASTERDEV(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
return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie);
}
static device_method_t ata_pci_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_pci_probe),
DEVMETHOD(device_attach, ata_pci_attach),
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_softc),
};
DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0);
static int
ata_pcisub_probe(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
device_t *children;
int count, i;
/* 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)
scp->channel = i;
}
free(children, M_TEMP);
scp->chiptype = pci_get_devid(device_get_parent(dev));
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_resume, ata_resume),
{ 0, 0 }
};
static driver_t ata_pcisub_driver = {
"ata",
ata_pcisub_methods,
sizeof(struct ata_softc),
};
DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0);
#endif
static int
ata_probe(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
@ -871,7 +146,7 @@ ata_probe(device_t dev)
return ENXIO;
}
static int
int
ata_attach(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
@ -887,8 +162,8 @@ ata_attach(device_t dev)
ata_printf(scp, -1, "unable to allocate interrupt\n");
return ENXIO;
}
if ((error = bus_setup_intr(dev, scp->r_irq, INTR_TYPE_BIO|INTR_ENTROPY, ata_intr,
scp, &scp->ih)))
if ((error = bus_setup_intr(dev, scp->r_irq, INTR_TYPE_BIO|INTR_ENTROPY,
ata_intr, scp, &scp->ih)))
return error;
/*
@ -926,7 +201,7 @@ ata_attach(device_t dev)
return 0;
}
static int
int
ata_detach(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
@ -934,6 +209,8 @@ ata_detach(device_t dev)
if (!scp || !(scp->flags & ATA_ATTACHED))
return ENXIO;
/* make sure device is not busy SOS XXX */
/* disable interrupts on devices */
ATA_OUTB(scp->r_io, ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
ATA_OUTB(scp->r_altio, ATA_ALTSTAT, ATA_A_IDS | ATA_A_4BIT);
@ -976,7 +253,7 @@ ata_detach(device_t dev)
return 0;
}
static int
int
ata_resume(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
@ -1096,48 +373,14 @@ static void
ata_intr(void *data)
{
struct ata_softc *scp = (struct ata_softc *)data;
u_int8_t dmastat = 0;
/*
* since we might share the IRQ with another device, and in some
* cases with our twin channel, we only want to process interrupts
* that we know this channel generated.
* on PCI systems we might share an interrupt line with another
* device or our twin ATA channel, so call scp->intr_func to figure
* out if it is really an interrupt we should process here
*/
switch (scp->chiptype) {
#if NPCI > 0
case 0x00041103: /* HighPoint HPT366/368/370 */
if (((dmastat = ata_dmastatus(scp)) &
(ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT)
return;
ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT);
break;
case 0x06481095: /* CMD 648 */
case 0x06491095: /* CMD 649 */
if (!(pci_read_config(device_get_parent(scp->dev), 0x71, 1) &
(scp->channel ? 0x08 : 0x04)))
return;
goto out;
case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */
case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */
case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */
case 0x0d30105a: /* Promise OEM ATA100 */
if (!(ATA_INL(scp->r_bmio, (scp->channel ? 0x14 : 0x1c)) &
(scp->channel ? 0x00004000 : 0x00000400)))
return;
/* FALLTHROUGH */
out:
#endif
default:
if (scp->flags & ATA_DMA_ACTIVE) {
if (!((dmastat = ata_dmastatus(scp)) & ATA_BMSTAT_INTERRUPT))
return;
ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT,
dmastat | ATA_BMSTAT_INTERRUPT);
}
}
DELAY(1);
if (scp->intr_func && scp->intr_func(scp))
return;
/* if drive is busy it didn't interrupt */
if (ATA_INB(scp->r_altio, ATA_ALTSTAT) & ATA_S_BUSY)
@ -1365,7 +608,7 @@ ata_reset(struct ata_softc *scp, int *mask)
int
ata_reinit(struct ata_softc *scp)
{
int mask = 0, omask;
int mask = 0, odevices;
scp->active = ATA_REINITING;
scp->running = NULL;
@ -1374,11 +617,11 @@ ata_reinit(struct ata_softc *scp)
if (scp->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE))
mask |= 0x02;
if (mask) {
omask = mask;
ata_printf(scp, -1, "resetting devices .. ");
odevices = scp->devices;
ata_printf(scp, -1, "resetting devices .. ");
ata_reset(scp, &mask);
if (omask != mask)
printf(" device dissapeared! %d ", omask & ~mask);
if (odevices != scp->devices)
printf(" device dissapeared! 0x%02x ", odevices & ~scp->devices);
#ifdef DEV_ATADISK
if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0])

13
sys/dev/ata/ata-all.h
View File

@ -119,6 +119,11 @@
#define ATA_DEV(device) ((device == ATA_MASTER) ? 0 : 1)
#define ATA_PARAM(scp, device) (scp->dev_param[ATA_DEV(device)])
#define ATA_IOADDR_RID 0
#define ATA_ALTADDR_RID 1
#define ATA_BMADDR_RID 2
#define ATA_IRQ_RID 0
/* busmaster DMA related defines */
#define ATA_DMA_ENTRIES 256
#define ATA_DMA_EOT 0x80000000
@ -284,6 +289,7 @@ struct ata_softc {
struct resource *r_bmio; /* bmio addr resource handle */
struct resource *r_irq; /* interrupt of this channel */
void *ih; /* interrupt handle */
int (*intr_func)(struct ata_softc *); /* interrupt function */
u_int32_t chiptype; /* pciid of controller chip */
u_int32_t alignment; /* dma engine min alignment */
struct ata_params *dev_param[2]; /* ptr to devices params */
@ -336,6 +342,11 @@ struct ata_softc {
extern devclass_t ata_devclass;
/* public prototypes */
int ata_probe(device_t);
int ata_attach(device_t);
int ata_detach(device_t);
int ata_resume(device_t);
void ata_start(struct ata_softc *);
void ata_reset(struct ata_softc *, int *);
int ata_reinit(struct ata_softc *);
@ -350,9 +361,7 @@ int ata_pio2mode(int);
int ata_pmode(struct ata_params *);
int ata_wmode(struct ata_params *);
int ata_umode(struct ata_params *);
#if NPCI > 0
int ata_find_dev(device_t, u_int32_t, u_int32_t);
#endif
void *ata_dmaalloc(struct ata_softc *, int);
void ata_dmainit(struct ata_softc *, int, int, int, int);

108
sys/dev/ata/ata-card.c Normal file
View File

@ -0,0 +1,108 @@
/*-
* Copyright (c) 1998,1999,2000,2001 Søren Schmidt
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/disk.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/bio.h>
#include <sys/malloc.h>
#include <sys/devicestat.h>
#include <sys/sysctl.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/ata/ata-all.h>
static int
ata_pccard_probe(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
struct resource *io;
int rid, len, start, end;
u_long tmp;
/* allocate the io range to get start and length */
rid = ATA_IOADDR_RID;
len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid);
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE);
if (!io)
return ENOMEM;
/* reallocate the io address to only cover the io ports */
start = rman_get_start(io);
end = start + ATA_IOSIZE - 1;
bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
start, end, ATA_IOSIZE, RF_ACTIVE);
bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
/*
* if we got more than the default ATA_IOSIZE ports, this is likely
* a pccard system where the altio ports are located at offset 14
* otherwise its the normal altio offset
*/
if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
if (len > ATA_IOSIZE) {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
start + ATA_PCCARD_ALTOFFSET, ATA_ALTIOSIZE);
}
else {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
start + ATA_ALTOFFSET, ATA_ALTIOSIZE);
}
}
else
return ENOMEM;
scp->channel = 0;
scp->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
return ata_probe(dev);
}
static device_method_t ata_pccard_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_pccard_probe),
DEVMETHOD(device_attach, ata_attach),
DEVMETHOD(device_detach, ata_detach),
{ 0, 0 }
};
static driver_t ata_pccard_driver = {
"ata",
ata_pccard_methods,
sizeof(struct ata_softc),
};
DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);

45
sys/dev/ata/ata-dma.c
View File

@ -38,15 +38,11 @@
#include <sys/devicestat.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#if NPCI > 0
#include <pci/pcivar.h>
#endif
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/ata/ata-all.h>
#if NPCI > 0
/* prototypes */
static void cyrix_timing(struct ata_softc *, int, int);
static void promise_timing(struct ata_softc *, int, int);
@ -1079,44 +1075,3 @@ hpt_timing(struct ata_softc *scp, int devno, int mode)
pci_write_config(parent, 0x40 + (devno << 2), (timing & ~0x80000000),4);
}
}
#else /* NPCI > 0 */
void *
ata_dmaalloc(struct ata_softc *scp, int device)
{
return 0;
}
void
ata_dmainit(struct ata_softc *scp, int device,
int piomode, int wdmamode, int udmamode)
{
}
int
ata_dmasetup(struct ata_softc *scp, int device, struct ata_dmaentry *dmatab,
caddr_t data, int32_t count)
{
return -1;
}
void
ata_dmastart(struct ata_softc *scp, int device,
struct ata_dmaentry *dmatab, int dir)
{
}
int
ata_dmadone(struct ata_softc *scp)
{
return -1;
}
int
ata_dmastatus(struct ata_softc *scp)
{
return -1;
}
#endif /* NPCI > 0 */

102
sys/dev/ata/ata-isa.c Normal file
View File

@ -0,0 +1,102 @@
/*-
* Copyright (c) 1998,1999,2000,2001 Søren Schmidt
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/disk.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/bio.h>
#include <sys/malloc.h>
#include <sys/devicestat.h>
#include <sys/sysctl.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <isa/isavar.h>
#include <dev/ata/ata-all.h>
/* local vars */
static struct isa_pnp_id ata_ids[] = {
{0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */
{0x0106d041, "Plus Hardcard II"}, /* PNP0601 */
{0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */
{0x0306d041, "Generic ATA"}, /* PNP0603 */
{0}
};
static int
ata_isa_probe(device_t dev)
{
struct ata_softc *scp = device_get_softc(dev);
struct resource *io;
int rid;
u_long tmp;
/* check isapnp ids */
if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
return ENXIO;
/* allocate the io port range to get the start address */
rid = ATA_IOADDR_RID;
io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE);
if (!io)
return ENOMEM;
/* set the altport range */
if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
rman_get_start(io) + ATA_ALTOFFSET, ATA_ALTIOSIZE);
}
bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
scp->channel = 0;
scp->flags |= ATA_USE_16BIT;
return ata_probe(dev);
}
static device_method_t ata_isa_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_isa_probe),
DEVMETHOD(device_attach, ata_attach),
DEVMETHOD(device_resume, ata_resume),
{ 0, 0 }
};
static driver_t ata_isa_driver = {
"ata",
ata_isa_methods,
sizeof(struct ata_softc),
};
DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0);

681
sys/dev/ata/ata-pci.c Normal file
View File

@ -0,0 +1,681 @@
/*-
* Copyright (c) 1998,1999,2000,2001 Søren Schmidt
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/disk.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/bio.h>
#include <sys/malloc.h>
#include <sys/devicestat.h>
#include <sys/sysctl.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 <pci/pcivar.h>
#include <pci/pcireg.h>
#include <dev/ata/ata-all.h>
/* misc defines */
#define IOMASK 0xfffffffc
#define ATA_MASTERDEV(dev) ((pci_get_progif(dev) & 0x80) && \
(pci_get_progif(dev) & 0x05) != 0x05)
struct ata_pci_softc {
struct resource *bmio;
int bmaddr;
struct resource *irq;
int irqcnt;
};
int
ata_find_dev(device_t dev, u_int32_t type, u_int32_t revid)
{
device_t *children, child;
int nchildren, i;
if (device_get_children(device_get_parent(dev), &children, &nchildren))
return 0;
for (i = 0; i < nchildren; i++) {
child = children[i];
/* check that it's on the same silicon and the device we want */
if (pci_get_slot(dev) == pci_get_slot(child) &&
pci_get_vendor(child) == (type & 0xffff) &&
pci_get_device(child) == ((type & 0xffff0000) >> 16) &&
pci_get_revid(child) >= revid) {
free(children, M_TEMP);
return 1;
}
}
free(children, M_TEMP);
return 0;
}
static const char *
ata_pci_match(device_t dev)
{
if (pci_get_class(dev) != PCIC_STORAGE)
return NULL;
switch (pci_get_devid(dev)) {
/* supported chipsets */
case 0x12308086:
return "Intel PIIX ATA controller";
case 0x70108086:
return "Intel PIIX3 ATA controller";
case 0x71118086:
case 0x71998086:
return "Intel PIIX4 ATA33 controller";
case 0x24218086:
return "Intel ICH0 ATA33 controller";
case 0x24118086:
return "Intel ICH ATA66 controller";
case 0x244b8086:
return "Intel ICH2 ATA100 controller";
case 0x522910b9:
if (pci_get_revid(dev) < 0x20)
return "AcerLabs Aladdin ATA controller";
else
return "AcerLabs Aladdin ATA33 controller";
case 0x05711106:
if (ata_find_dev(dev, 0x05861106, 0x02))
return "VIA 82C586 ATA33 controller";
if (ata_find_dev(dev, 0x05861106, 0))
return "VIA 82C586 ATA controller";
if (ata_find_dev(dev, 0x05961106, 0x12))
return "VIA 82C596 ATA66 controller";
if (ata_find_dev(dev, 0x05961106, 0))
return "VIA 82C596 ATA33 controller";
if (ata_find_dev(dev, 0x06861106, 0x40))
return "VIA 82C686 ATA100 controller";
if (ata_find_dev(dev, 0x06861106, 0))
return "VIA 82C686 ATA66 controller";
return "VIA Apollo ATA controller";
case 0x55131039:
return "SiS 5591 ATA33 controller";
case 0x06491095:
return "CMD 649 ATA100 controller";
case 0x06481095:
return "CMD 648 ATA66 controller";
case 0x06461095:
return "CMD 646 ATA controller";
case 0xc6931080:
if (pci_get_subclass(dev) == PCIS_STORAGE_IDE)
return "Cypress 82C693 ATA controller";
break;
case 0x01021078:
return "Cyrix 5530 ATA33 controller";
case 0x74091022:
return "AMD 756 ATA66 controller";
case 0x02111166:
return "ServerWorks ROSB4 ATA33 controller";
case 0x4d33105a:
return "Promise ATA33 controller";
case 0x4d38105a:
return "Promise ATA66 controller";
case 0x0d30105a:
case 0x4d30105a:
return "Promise ATA100 controller";
case 0x00041103:
switch (pci_get_revid(dev)) {
case 0x00:
case 0x01:
return "HighPoint HPT366 ATA66 controller";
case 0x02:
return "HighPoint HPT368 ATA66 controller";
case 0x03:
case 0x04:
return "HighPoint HPT370 ATA100 controller";
default:
return "Unknown revision HighPoint ATA controller";
}
/* unsupported but known chipsets, generic DMA only */
case 0x10001042:
case 0x10011042:
return "RZ 100? ATA controller !WARNING! buggy chip data loss possible";
case 0x06401095:
return "CMD 640 ATA controller !WARNING! buggy chip data loss possible";
/* unknown chipsets, try generic DMA if it seems possible */
default:
if (pci_get_class(dev) == PCIC_STORAGE &&
(pci_get_subclass(dev) == PCIS_STORAGE_IDE))
return "Generic PCI ATA controller";
}
return NULL;
}
static int
ata_pci_probe(device_t dev)
{
const char *desc = ata_pci_match(dev);
if (desc) {
device_set_desc(dev, desc);
return 0;
}
else
return ENXIO;
}
static int
ata_pci_add_child(device_t dev, int unit)
{
device_t child;
/* check if this is located at one of the std addresses */
if (ATA_MASTERDEV(dev)) {
if (!(child = device_add_child(dev, "ata", unit)))
return ENOMEM;
}
else {
if (!(child = device_add_child(dev, "ata", 2)))
return ENOMEM;
}
return 0;
}
static int
ata_pci_attach(device_t dev)
{
struct ata_pci_softc *sc = device_get_softc(dev);
u_int8_t class, subclass;
u_int32_t type, cmd;
int rid;
/* set up vendor-specific stuff */
type = pci_get_devid(dev);
class = pci_get_class(dev);
subclass = pci_get_subclass(dev);
cmd = pci_read_config(dev, PCIR_COMMAND, 4);
/* is busmastering supported ? */
if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) ==
(PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) {
/* is there a valid port range to connect to ? */
rid = 0x20;
sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
0, ~0, 1, RF_ACTIVE);
if (!sc->bmio)
device_printf(dev, "Busmastering DMA not configured\n");
}
else
device_printf(dev, "Busmastering DMA not supported\n");
/* do extra chipset specific setups */
switch (type) {
case 0x522910b9: /* Aladdin need to activate the ATAPI FIFO */
pci_write_config(dev, 0x53,
(pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1);
break;
case 0x4d38105a: /* Promise 66 & 100 need their clock changed */
case 0x4d30105a:
case 0x0d30105a:
ATA_OUTB(sc->bmio, 0x11, ATA_INB(sc->bmio, 0x11) | 0x0a);
/* FALLTHROUGH */
case 0x4d33105a: /* Promise (all) need burst mode to be turned on */
ATA_OUTB(sc->bmio, 0x1f, ATA_INB(sc->bmio, 0x1f) | 0x01);
break;
case 0x00041103: /* HighPoint */
switch (pci_get_revid(dev)) {
case 0x00:
case 0x01:
/* turn off interrupt prediction */
pci_write_config(dev, 0x51,
(pci_read_config(dev, 0x51, 1) & ~0x80), 1);
break;
case 0x02:
case 0x03:
case 0x04:
/* turn off interrupt prediction */
pci_write_config(dev, 0x51,
(pci_read_config(dev, 0x51, 1) & ~0x02), 1);
pci_write_config(dev, 0x55,
(pci_read_config(dev, 0x55, 1) & ~0x02), 1);
/* turn on interrupts */
pci_write_config(dev, 0x5a,
(pci_read_config(dev, 0x5a, 1) & ~0x10), 1);
}
break;
case 0x05711106:
case 0x74091022: /* VIA 82C586, 82C596, 82C686 & AMD 756 default setup */
/* set prefetch, postwrite */
pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);
/* set fifo configuration half'n'half */
pci_write_config(dev, 0x43,
(pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1);
/* set status register read retry */
pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1);
/* set DMA read & end-of-sector fifo flush */
pci_write_config(dev, 0x46,
(pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1);
/* set sector size */
pci_write_config(dev, 0x60, DEV_BSIZE, 2);
pci_write_config(dev, 0x68, DEV_BSIZE, 2);
/* prepare for ATA-66 on the 82C686 and rev 0x12 and newer 82C596's */
if (ata_find_dev(dev, 0x06861106, 0) ||
ata_find_dev(dev, 0x05961106, 0x12)) {
pci_write_config(dev, 0x50,
pci_read_config(dev, 0x50, 4) | 0x070f070f, 4);
}
break;
case 0x10001042: /* RZ 100? known bad, no DMA */
case 0x10011042:
case 0x06401095: /* CMD 640 known bad, no DMA */
sc->bmio = NULL;
device_printf(dev, "Busmastering DMA disabled\n");
}
if (sc->bmio) {
sc->bmaddr = rman_get_start(sc->bmio);
BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, rid, sc->bmio);
sc->bmio = NULL;
}
/*
* the Cypress chip is a mess, it contains two ATA functions, but
* both channels are visible on the first one.
* simply ignore the second function for now, as the right
* solution (ignoring the second channel on the first function)
* doesn't work with the crappy ATA interrupt setup on the alpha.
*/
if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1)
return 0;
ata_pci_add_child(dev, 0);
if (ATA_MASTERDEV(dev) || pci_read_config(dev, 0x18, 4) & IOMASK)
ata_pci_add_child(dev, 1);
return bus_generic_attach(dev);
}
static int
ata_pci_intr(struct ata_softc *scp)
{
u_int8_t dmastat;
/*
* since we might share the IRQ with another device, and in some
* cases with our twin channel, we only want to process interrupts
* that we know this channel generated.
*/
switch (scp->chiptype) {
case 0x00041103: /* HighPoint HPT366/368/370 */
if (((dmastat = ata_dmastatus(scp)) &
(ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT)
return 1;
ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT);
DELAY(1);
return 0;
case 0x06481095: /* CMD 648 */
case 0x06491095: /* CMD 649 */
if (!(pci_read_config(device_get_parent(scp->dev), 0x71, 1) &
(scp->channel ? 0x08 : 0x04)))
return 1;
break;
case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */
case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */
case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */
case 0x0d30105a: /* Promise OEM ATA100 */
if (!(ATA_INL(scp->r_bmio, (scp->channel ? 0x14 : 0x1c)) &
(scp->channel ? 0x00004000 : 0x00000400)))
return 1;
break;
}
if (scp->flags & ATA_DMA_ACTIVE) {
if (!((dmastat = ata_dmastatus(scp)) & ATA_BMSTAT_INTERRUPT))
return 1;
ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT);
DELAY(1);
}
return 0;
}
static int
ata_pci_print_child(device_t dev, device_t child)
{
struct ata_softc *scp = device_get_softc(child);
int retval = 0;
retval += bus_print_child_header(dev, child);
retval += printf(": at 0x%lx", rman_get_start(scp->r_io));
if (ATA_MASTERDEV(dev))
retval += printf(" irq %d", 14 + scp->channel);
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_softc *sc = device_get_softc(dev);
struct resource *res = NULL;
int channel = ((struct ata_softc *)device_get_softc(child))->channel;
int myrid;
if (type == SYS_RES_IOPORT) {
switch (*rid) {
case ATA_IOADDR_RID:
if (ATA_MASTERDEV(dev)) {
myrid = 0;
start = (channel ? ATA_SECONDARY : ATA_PRIMARY);
end = start + ATA_IOSIZE - 1;
count = ATA_IOSIZE;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
else {
myrid = 0x10 + 8 * channel;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
break;
case ATA_ALTADDR_RID:
if (ATA_MASTERDEV(dev)) {
myrid = 0;
start = (channel ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET;
end = start + ATA_ALTIOSIZE - 1;
count = ATA_ALTIOSIZE;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
else {
myrid = 0x14 + 8 * channel;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
if (res) {
start = rman_get_start(res) + 2;
end = start + ATA_ALTIOSIZE - 1;
count = ATA_ALTIOSIZE;
BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, myrid, res);
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
}
break;
case ATA_BMADDR_RID:
if (sc->bmaddr) {
myrid = 0x20;
start = (channel == 0 ? sc->bmaddr : sc->bmaddr + ATA_BMIOSIZE);
end = start + ATA_BMIOSIZE - 1;
count = ATA_BMIOSIZE;
res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, &myrid,
start, end, count, flags);
}
}
return res;
}
if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) {
if (ATA_MASTERDEV(dev)) {
#ifdef __alpha__
return alpha_platform_alloc_ide_intr(channel);
#else
int irq = (channel == 0 ? 14 : 15);
return BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
SYS_RES_IRQ, rid,
irq, irq, 1, flags & ~RF_SHAREABLE);
#endif
}
else {
/* primary and secondary channels share the same interrupt */
sc->irqcnt++;
if (!sc->irq)
sc->irq = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IRQ, rid, 0, ~0, 1, flags);
return sc->irq;
}
}
return 0;
}
static int
ata_pci_release_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct ata_pci_softc *sc = device_get_softc(dev);
int channel = ((struct ata_softc *)device_get_softc(child))->channel;
int myrid = 0;
if (type == SYS_RES_IOPORT) {
switch (rid) {
case ATA_IOADDR_RID:
if (ATA_MASTERDEV(dev))
myrid = 0;
else
myrid = 0x10 + 8 * channel;
break;
case ATA_ALTADDR_RID:
if (ATA_MASTERDEV(dev))
myrid = 0;
else
myrid = 0x14 + 8 * channel;
break;
case ATA_BMADDR_RID:
myrid = 0x20;
break;
default:
return ENOENT;
}
if (ATA_MASTERDEV(dev))
/* make the parent just pass through the allocation. */
return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
SYS_RES_IOPORT, myrid, r);
else
/* we are using the parent resource directly. */
return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev,
SYS_RES_IOPORT, myrid, r);
}
if (type == SYS_RES_IRQ) {
if (rid != ATA_IRQ_RID)
return ENOENT;
if (ATA_MASTERDEV(dev)) {
#ifdef __alpha__
return alpha_platform_release_ide_intr(channel, r);
#else
return BUS_RELEASE_RESOURCE(device_get_parent(dev),
child, SYS_RES_IRQ, rid, r);
#endif
}
else {
if (--sc->irqcnt)
return 0;
return BUS_RELEASE_RESOURCE(device_get_parent(dev),
dev, SYS_RES_IRQ, rid, r);
}
}
return EINVAL;
}
static int
ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_intr_t *intr, void *arg,
void **cookiep)
{
if (ATA_MASTERDEV(dev)) {
#ifdef __alpha__
return alpha_platform_setup_ide_intr(child, irq, intr, arg, cookiep);
#else
return BUS_SETUP_INTR(device_get_parent(dev), child, irq,
flags, intr, arg, cookiep);
#endif
}
else
return BUS_SETUP_INTR(device_get_parent(dev), dev, irq,
flags, intr, arg, cookiep);
}
static int
ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
if (ATA_MASTERDEV(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
return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie);
}
static device_method_t ata_pci_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_pci_probe),
DEVMETHOD(device_attach, ata_pci_attach),
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_softc),
};
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_softc *scp = device_get_softc(dev);
device_t *children;
int count, i;
/* 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)
scp->channel = i;
}
free(children, M_TEMP);
scp->chiptype = pci_get_devid(device_get_parent(dev));
scp->intr_func = ata_pci_intr;
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_resume, ata_resume),
{ 0, 0 }
};
static driver_t ata_pcisub_driver = {
"ata",
ata_pcisub_methods,
sizeof(struct ata_softc),
};
DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0);