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NetBSD/sys/dev/pci/jmide.c

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/* $NetBSD: jmide.c,v 1.2 2007/05/31 21:26:48 bouyer Exp $ */
/*
* Copyright (c) 2007 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: jmide.c,v 1.2 2007/05/31 21:26:48 bouyer Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pciidereg.h>
#include <dev/pci/pciidevar.h>
#include <dev/pci/jmide_reg.h>
#include <dev/ic/ahcisatavar.h>
#include "jmide.h"
static const struct jmide_product *jmide_lookup(pcireg_t);
static int jmide_match(struct device *, struct cfdata *, void *);
static void jmide_attach(struct device *, struct device *, void *);
static int jmide_intr(void *);
static void jmpata_chip_map(struct pciide_softc*, struct pci_attach_args*);
static void jmpata_setup_channel(struct ata_channel*);
static int jmahci_print(void *, const char *);
struct jmide_product {
u_int32_t jm_product;
int jm_npata;
int jm_nsata;
};
static const struct jmide_product jm_products[] = {
{ PCI_PRODUCT_JMICRON_JMB360,
0,
1
},
{ PCI_PRODUCT_JMICRON_JMB361,
1,
1
},
{ PCI_PRODUCT_JMICRON_JMB363,
1,
2
},
{ PCI_PRODUCT_JMICRON_JMB365,
2,
1
},
{ PCI_PRODUCT_JMICRON_JMB366,
2,
2
},
{ PCI_PRODUCT_JMICRON_JMB368,
1,
0
},
{ 0,
0,
0
}
};
typedef enum {
TYPE_INVALID = 0,
TYPE_PATA,
TYPE_SATA,
TYPE_NONE
} jmchan_t;
struct jmide_softc {
struct pciide_softc sc_pciide;
void *sc_ahci;
int sc_npata;
int sc_nsata;
jmchan_t sc_chan_type[PCIIDE_NUM_CHANNELS];
int sc_chan_swap;
};
struct jmahci_attach_args {
struct pci_attach_args *jma_pa;
bus_space_tag_t jma_ahcit;
bus_space_handle_t jma_ahcih;
};
#define JM_NAME(sc) (sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev.dv_xname)
CFATTACH_DECL(jmide, sizeof(struct jmide_softc),
jmide_match, jmide_attach, NULL, NULL);
static const struct jmide_product *
jmide_lookup(pcireg_t id) {
const struct jmide_product *jp;
for (jp = jm_products; jp->jm_product != 0; jp++) {
if (jp->jm_product == PCI_PRODUCT(id))
return jp;
}
return NULL;
}
static int
jmide_match(struct device *parent, struct cfdata *match,
void *aux)
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_JMICRON) {
if (jmide_lookup(pa->pa_id))
return (4); /* highter than ahcisata */
}
return (0);
}
static void
jmide_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = aux;
struct jmide_softc *sc = (struct jmide_softc *)self;
const struct jmide_product *jp;
char devinfo[256];
const char *intrstr;
pci_intr_handle_t intrhandle;
u_int32_t pcictrl0 = pci_conf_read(pa->pa_pc, pa->pa_tag,
PCI_JM_CONTROL0);
u_int32_t pcictrl1 = pci_conf_read(pa->pa_pc, pa->pa_tag,
PCI_JM_CONTROL1);
struct pciide_product_desc *pp;
int ahci_used = 0;
jp = jmide_lookup(pa->pa_id);
if (jp == NULL) {
printf("jmide_attach: WTF?\n");
return;
}
sc->sc_npata = jp->jm_npata;
sc->sc_nsata = jp->jm_nsata;
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
aprint_naive(": JMICRON PATA/SATA disk controller\n");
aprint_normal(": %s\n", devinfo);
aprint_normal("%s: ", JM_NAME(sc));
if (sc->sc_npata)
aprint_normal("%d PATA port%s", sc->sc_npata,
(sc->sc_npata > 1) ? "s" : "");
if (sc->sc_nsata)
aprint_normal("%s%d SATA port%s", sc->sc_npata ? ", " : "",
sc->sc_nsata, (sc->sc_nsata > 1) ? "s" : "");
aprint_normal("\n");
if (pci_intr_map(pa, &intrhandle) != 0) {
aprint_error("%s: couldn't map interrupt\n", JM_NAME(sc));
return;
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
sc->sc_pciide.sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle,
IPL_BIO, jmide_intr, sc);
if (sc->sc_pciide.sc_pci_ih == NULL) {
aprint_error("%s: couldn't establish interrupt", JM_NAME(sc));
return;
}
aprint_normal("%s: interrupting at %s\n", JM_NAME(sc),
intrstr ? intrstr : "unknown interrupt");
if (pcictrl0 & JM_CONTROL0_AHCI_EN) {
bus_size_t size;
struct jmahci_attach_args jma;
u_int32_t saved_pcictrl0;
/*
* ahci controller enabled; disable sata on pciide and
* enable on ahci
*/
saved_pcictrl0 = pcictrl0;
pcictrl0 |= JM_CONTROL0_SATA0_AHCI | JM_CONTROL0_SATA1_AHCI;
pcictrl0 &= ~(JM_CONTROL0_SATA0_IDE | JM_CONTROL0_SATA1_IDE);
pci_conf_write(pa->pa_pc, pa->pa_tag,
PCI_JM_CONTROL0, pcictrl0);
/* attach ahci controller if on the right function */
if ((pa->pa_function == 0 &&
(pcictrl0 & JM_CONTROL0_AHCI_F1) == 0) ||
(pa->pa_function == 1 &&
(pcictrl0 & JM_CONTROL0_AHCI_F1) != 0)) {
jma.jma_pa = pa;
/* map registers */
if (pci_mapreg_map(pa, AHCI_PCI_ABAR,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
&jma.jma_ahcit, &jma.jma_ahcih, NULL, &size) != 0) {
aprint_error("%s: can't map ahci registers\n",
JM_NAME(sc));
} else {
sc->sc_ahci = config_found_ia(
&sc->sc_pciide.sc_wdcdev.sc_atac.atac_dev,
"jmide_hl", &jma, jmahci_print);
}
/*
* if we couldn't attach an ahci, try to fall back
* to pciide. Note that this will not work if IDE
* is on function 0 and AHCI on function 1.
*/
if (sc->sc_ahci == NULL) {
pcictrl0 = saved_pcictrl0 &
~(JM_CONTROL0_SATA0_AHCI |
JM_CONTROL0_SATA1_AHCI |
JM_CONTROL0_AHCI_EN);
pcictrl0 |= JM_CONTROL0_SATA1_IDE |
JM_CONTROL0_SATA0_IDE;
pci_conf_write(pa->pa_pc, pa->pa_tag,
PCI_JM_CONTROL0, pcictrl0);
} else
ahci_used = 1;
}
}
sc->sc_chan_swap = ((pcictrl0 & JM_CONTROL0_PCIIDE_CS) != 0);
/* compute the type of internal primary channel */
if (pcictrl1 & JM_CONTROL1_PATA1_PRI) {
if (sc->sc_npata > 1)
sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_PATA;
else
sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
} else if (ahci_used == 0 && sc->sc_nsata > 0)
sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_SATA;
else
sc->sc_chan_type[sc->sc_chan_swap ? 1 : 0] = TYPE_NONE;
/* compute the type of internal secondary channel */
if (sc->sc_nsata > 1 && ahci_used == 0 &&
(pcictrl0 & JM_CONTROL0_PCIIDE0_MS) == 0) {
sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_SATA;
} else {
/* only a drive if first PATA enabled */
if (sc->sc_npata > 0 && (pcictrl0 & JM_CONTROL0_PATA0_EN)
&& (pcictrl0 &
(sc->sc_chan_swap ? JM_CONTROL0_PATA0_PRI: JM_CONTROL0_PATA0_SEC)))
sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_PATA;
else
sc->sc_chan_type[sc->sc_chan_swap ? 0 : 1] = TYPE_NONE;
}
if (sc->sc_chan_type[0] == TYPE_NONE &&
sc->sc_chan_type[1] == TYPE_NONE)
return;
if (pa->pa_function == 0 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1))
return;
if (pa->pa_function == 1 && (pcictrl0 & JM_CONTROL0_PCIIDE_F1) == 0)
return;
pp = malloc(sizeof(struct pciide_product_desc), M_DEVBUF, M_NOWAIT);
if (pp == NULL) {
aprint_error("%s: can't malloc sc_pp\n", JM_NAME(sc));
return;
}
aprint_normal("%s: PCI IDE interface used", JM_NAME(sc));
pp->ide_product = 0;
pp->ide_flags = 0;
pp->ide_name = NULL;
pp->chip_map = jmpata_chip_map;
pciide_common_attach(&sc->sc_pciide, pa, pp);
}
static int
jmide_intr(void *arg)
{
struct jmide_softc *sc = arg;
int ret = 0;
#ifdef NJMAHCI
if (sc->sc_ahci)
ret |= ahci_intr(sc->sc_ahci);
#endif
if (sc->sc_npata)
ret |= pciide_pci_intr(&sc->sc_pciide);
return ret;
}
static void
jmpata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
int channel;
pcireg_t interface;
bus_size_t cmdsize, ctlsize;
struct pciide_channel *cp;
if (pciide_chipen(sc, pa) == 0)
return;
aprint_verbose("%s: bus-master DMA support present", JM_NAME(jmidesc));
pciide_mapreg_dma(sc, pa);
aprint_verbose("\n");
sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA;
sc->sc_wdcdev.sc_atac.atac_udma_cap = 6;
}
sc->sc_wdcdev.sc_atac.atac_pio_cap = 4;
sc->sc_wdcdev.sc_atac.atac_dma_cap = 2;
sc->sc_wdcdev.sc_atac.atac_set_modes = jmpata_setup_channel;
sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray;
sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS;
wdc_allocate_regs(&sc->sc_wdcdev);
/*
* can't rely on the PCI_CLASS_REG content if the chip was in raid
* mode. We have to fake interface
*/
interface = PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels;
channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
aprint_normal("%s: %s channel is ", JM_NAME(jmidesc),
PCIIDE_CHANNEL_NAME(channel));
switch(jmidesc->sc_chan_type[channel]) {
case TYPE_PATA:
aprint_normal("PATA");
break;
case TYPE_SATA:
aprint_normal("SATA");
break;
case TYPE_NONE:
aprint_normal("unused");
break;
default:
aprint_normal("impossible");
panic("jmide: wrong/uninitialised channel type");
}
aprint_normal("\n");
if (jmidesc->sc_chan_type[channel] == TYPE_NONE) {
cp->ata_channel.ch_flags |= ATACH_DISABLED;
continue;
}
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
}
}
static void
jmpata_setup_channel(struct ata_channel *chp)
{
struct ata_drive_datas *drvp;
int drive, s;
u_int32_t idedma_ctl;
struct pciide_channel *cp = CHAN_TO_PCHAN(chp);
struct pciide_softc *sc = CHAN_TO_PCIIDE(chp);
struct jmide_softc *jmidesc = (struct jmide_softc *)sc;
int ide80p;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
/* cable type detect */
ide80p = 1;
if (chp->ch_channel == (jmidesc->sc_chan_swap ? 1 : 0)) {
if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL1) &
JM_CONTROL1_PATA1_40P))
ide80p = 0;
} else {
if (jmidesc->sc_chan_type[chp->ch_channel] == TYPE_PATA &&
(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_JM_CONTROL0) &
JM_CONTROL0_PATA0_40P))
ide80p = 0;
}
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
s = splbio();
drvp->drive_flags &= ~DRIVE_DMA;
if (drvp->UDMA_mode > 2 && ide80p == 0)
drvp->UDMA_mode = 2;
splx(s);
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if (drvp->drive_flags & DRIVE_DMA) {
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
}
}
/* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL],
0, idedma_ctl);
}
}
static int
jmahci_print(void *aux, const char *pnp)
{
if (pnp)
aprint_normal("ahcisata at %s", pnp);
return (UNCONF);
}
#ifdef NJMAHCI
static int jmahci_match(struct device *, struct cfdata *, void *);
static void jmahci_attach(struct device *, struct device *, void *);
CFATTACH_DECL(jmahci, sizeof(struct ahci_softc),
jmahci_match, jmahci_attach, NULL, NULL);
static int
jmahci_match(struct device *parent, struct cfdata *match, void *aux)
{
return 1;
}
static void
jmahci_attach(struct device *parent, struct device *self, void *aux)
{
struct jmahci_attach_args *jma = aux;
struct ahci_softc *sc = (struct ahci_softc *)self;
aprint_naive(": AHCI disk controller\n");
aprint_normal("\n");
sc->sc_ahcit = jma->jma_ahcit;
sc->sc_ahcih = jma->jma_ahcih;
sc->sc_dmat = jma->jma_pa->pa_dmat;
ahci_attach(sc);
}
#endif
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