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NetBSD/sys/dev/pci/hptide.c

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/* $NetBSD: hptide.c,v 1.5 2003/10/29 01:54:24 mycroft Exp $ */
/*
* Copyright (c) 1999, 2000, 2001 Manuel Bouyer.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Manuel Bouyer.
* 4. 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/param.h>
#include <sys/systm.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pciidereg.h>
#include <dev/pci/pciidevar.h>
#include <dev/pci/pciide_hpt_reg.h>
static void hpt_chip_map(struct pciide_softc*, struct pci_attach_args*);
static void hpt_setup_channel(struct channel_softc*);
static int hpt_pci_intr(void *);
static int hptide_match(struct device *, struct cfdata *, void *);
static void hptide_attach(struct device *, struct device *, void *);
CFATTACH_DECL(hptide, sizeof(struct pciide_softc),
hptide_match, hptide_attach, NULL, NULL);
static const struct pciide_product_desc pciide_triones_products[] = {
{ PCI_PRODUCT_TRIONES_HPT366,
0,
NULL,
hpt_chip_map,
},
{ PCI_PRODUCT_TRIONES_HPT372,
0,
NULL,
hpt_chip_map
},
{ PCI_PRODUCT_TRIONES_HPT374,
0,
NULL,
hpt_chip_map
},
{ 0,
0,
NULL,
NULL
}
};
static int
hptide_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TRIONES) {
if (pciide_lookup_product(pa->pa_id, pciide_triones_products))
return (2);
}
return (0);
}
static void
hptide_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = aux;
struct pciide_softc *sc = (struct pciide_softc *)self;
pciide_common_attach(sc, pa,
pciide_lookup_product(pa->pa_id, pciide_triones_products));
}
static void
hpt_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int i, compatchan, revision;
pcireg_t interface;
bus_size_t cmdsize, ctlsize;
if (pciide_chipen(sc, pa) == 0)
return;
revision = PCI_REVISION(pa->pa_class);
aprint_normal("%s: Triones/Highpoint ",
sc->sc_wdcdev.sc_dev.dv_xname);
if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
aprint_normal("HPT374 IDE Controller\n");
else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372)
aprint_normal("HPT372 IDE Controller\n");
else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366) {
if (revision == HPT372_REV)
aprint_normal("HPT372 IDE Controller\n");
else if (revision == HPT370_REV)
aprint_normal("HPT370 IDE Controller\n");
else if (revision == HPT370A_REV)
aprint_normal("HPT370A IDE Controller\n");
else if (revision == HPT366_REV)
aprint_normal("HPT366 IDE Controller\n");
else
aprint_normal("unknown HPT IDE controller rev %d\n",
revision);
} else
aprint_normal("unknown HPT IDE controller 0x%x\n",
sc->sc_pp->ide_product);
/*
* when the chip is in native mode it identifies itself as a
* 'misc mass storage'. Fake interface in this case.
*/
if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCI_INTERFACE(pa->pa_class);
} else {
interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
PCIIDE_INTERFACE_PCI(0);
if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
(revision == HPT370_REV || revision == HPT370A_REV ||
revision == HPT372_REV)) ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
interface |= PCIIDE_INTERFACE_PCI(1);
}
aprint_normal("%s: bus-master DMA support present",
sc->sc_wdcdev.sc_dev.dv_xname);
pciide_mapreg_dma(sc, pa);
aprint_normal("\n");
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = hpt_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
revision == HPT366_REV) {
sc->sc_wdcdev.nchannels = 1;
sc->sc_wdcdev.UDMA_cap = 4;
} else {
sc->sc_wdcdev.nchannels = 2;
if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
(sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
revision == HPT372_REV))
sc->sc_wdcdev.UDMA_cap = 6;
else
sc->sc_wdcdev.UDMA_cap = 5;
}
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
if (sc->sc_wdcdev.nchannels > 1) {
compatchan = i;
if((pciide_pci_read(sc->sc_pc, sc->sc_tag,
HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) {
aprint_normal(
"%s: %s channel ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
cp->wdc_channel.ch_flags |= WDCF_DISABLED;
continue;
}
} else {
/*
* The 366 has 2 PCI IDE functions, one for primary and
* one for secondary. So we need to call
* pciide_mapregs_compat() with the real channel.
*/
if (pa->pa_function == 0)
compatchan = 0;
else if (pa->pa_function == 1)
compatchan = 1;
else {
aprint_error("%s: unexpected PCI function %d\n",
sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function);
return;
}
}
if (pciide_chansetup(sc, i, interface) == 0)
continue;
if (interface & PCIIDE_INTERFACE_PCI(i)) {
pciide_mapregs_native(pa, cp, &cmdsize,
&ctlsize, hpt_pci_intr);
} else {
pciide_mapregs_compat(pa, cp, compatchan,
&cmdsize, &ctlsize);
}
wdcattach(&cp->wdc_channel);
}
if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
(revision == HPT370_REV || revision == HPT370A_REV ||
revision == HPT372_REV)) ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) {
/*
* HPT370_REV and highter has a bit to disable interrupts,
* make sure to clear it
*/
pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL,
pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) &
~HPT_CSEL_IRQDIS);
}
/* set clocks, etc (mandatory on 372/4, optional otherwise) */
if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
revision == HPT372_REV ) ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2,
(pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) &
HPT_SC2_MAEN) | HPT_SC2_OSC_EN);
return;
}
static void
hpt_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
int cable;
u_int32_t before, after;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel*)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int revision =
PCI_REVISION(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL);
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
/* Per drive settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
before = pci_conf_read(sc->sc_pc, sc->sc_tag,
HPT_IDETIM(chp->channel, drive));
/* add timing values, setup DMA if needed */
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 &&
drvp->UDMA_mode > 2)
drvp->UDMA_mode = 2;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_TRIONES_HPT374:
after = hpt374_udma[drvp->UDMA_mode];
break;
case PCI_PRODUCT_TRIONES_HPT372:
after = hpt372_udma[drvp->UDMA_mode];
break;
case PCI_PRODUCT_TRIONES_HPT366:
default:
switch(revision) {
case HPT372_REV:
after = hpt372_udma[drvp->UDMA_mode];
break;
case HPT370_REV:
case HPT370A_REV:
after = hpt370_udma[drvp->UDMA_mode];
break;
case HPT366_REV:
default:
after = hpt366_udma[drvp->UDMA_mode];
break;
}
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if (drvp->drive_flags & DRIVE_DMA) {
/*
* use Multiword DMA.
* Timings will be used for both PIO and DMA, so adjust
* DMA mode if needed
*/
if (drvp->PIO_mode >= 3 &&
(drvp->DMA_mode + 2) > drvp->PIO_mode) {
drvp->DMA_mode = drvp->PIO_mode - 2;
}
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_TRIONES_HPT374:
after = hpt374_dma[drvp->DMA_mode];
break;
case PCI_PRODUCT_TRIONES_HPT372:
after = hpt372_dma[drvp->DMA_mode];
break;
case PCI_PRODUCT_TRIONES_HPT366:
default:
switch(revision) {
case HPT372_REV:
after = hpt372_dma[drvp->DMA_mode];
break;
case HPT370_REV:
case HPT370A_REV:
after = hpt370_dma[drvp->DMA_mode];
break;
case HPT366_REV:
default:
after = hpt366_dma[drvp->DMA_mode];
break;
}
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else {
/* PIO only */
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_TRIONES_HPT374:
after = hpt374_pio[drvp->PIO_mode];
break;
case PCI_PRODUCT_TRIONES_HPT372:
after = hpt372_pio[drvp->PIO_mode];
break;
case PCI_PRODUCT_TRIONES_HPT366:
default:
switch(revision) {
case HPT372_REV:
after = hpt372_pio[drvp->PIO_mode];
break;
case HPT370_REV:
case HPT370A_REV:
after = hpt370_pio[drvp->PIO_mode];
break;
case HPT366_REV:
default:
after = hpt366_pio[drvp->PIO_mode];
break;
}
}
}
pci_conf_write(sc->sc_pc, sc->sc_tag,
HPT_IDETIM(chp->channel, drive), after);
WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x "
"(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname,
after, before), DEBUG_PROBE);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
idedma_ctl);
}
}
static int
hpt_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int rv = 0;
int dmastat, i, crv;
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL + IDEDMA_SCH_OFFSET * i);
if((dmastat & ( IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) !=
IDEDMA_CTL_INTR)
continue;
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
crv = wdcintr(wdc_cp);
if (crv == 0) {
printf("%s:%d: bogus intr\n",
sc->sc_wdcdev.sc_dev.dv_xname, i);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat);
} else
rv = 1;
}
return rv;
}
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