d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
6d03d577a5
freebsd-skq/sys/pccard/pcic_pci.c

694 lines
20 KiB
C
Raw Blame History

/*
* Copyright (c) 2001 M. Warner Losh. All Rights Reserved.
* Copyright (c) 1997 Ted Faber 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 immediately at the beginning of the file, without modification,
* 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. Absolutely no warranty of function or purpose is made by the author
* Ted Faber.
*
* 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/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <pccard/pcic_pci.h>
#include <pccard/i82365.h>
#include <pccard/cardinfo.h>
#include <pccard/slot.h>
#include <pccard/pcicvar.h>
#include <dev/pccard/pccardvar.h>
#include "card_if.h"
#define PRVERB(x) if (bootverbose) device_printf x
static int pcic_pci_get_memory(device_t dev);
struct pcic_pci_table
{
u_int32_t devid;
const char *descr;
int type;
u_int32_t flags;
int revision;
} pcic_pci_devs[] = {
{ PCI_DEVICE_ID_PCIC_CLPD6729,
"Cirrus Logic PD6729/6730 PC-Card Controller",
PCIC_PD672X, PCIC_PD_POWER },
{ PCI_DEVICE_ID_PCIC_CLPD6832,
"Cirrus Logic PD6832 PCI-CardBus Bridge",
PCIC_PD672X, PCIC_PD_POWER },
{ PCI_DEVICE_ID_PCIC_CLPD6833,
"Cirrus Logic PD6833 PCI-CardBus Bridge",
PCIC_PD672X, PCIC_PD_POWER },
{ PCI_DEVICE_ID_PCIC_OZ6729,
"O2micro OZ6729 PC-Card Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ PCI_DEVICE_ID_PCIC_OZ6730,
"O2micro OZ6730 PC-Card Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ PCI_DEVICE_ID_PCIC_OZ6832,
"O2micro 6832/6833 PCI-Cardbus Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ PCI_DEVICE_ID_PCIC_OZ6860,
"O2micro 6860/6836 PCI-Cardbus Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ PCI_DEVICE_ID_PCIC_OZ6872,
"O2micro 6812/6872 PCI-Cardbus Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ PCI_DEVICE_ID_RICOH_RL5C465,
"Ricoh RL5C465 PCI-CardBus Bridge",
PCIC_RF5C296, PCIC_RICOH_POWER },
{ PCI_DEVICE_ID_RICOH_RL5C475,
"Ricoh RL5C475 PCI-CardBus Bridge",
PCIC_RF5C296, PCIC_RICOH_POWER },
{ PCI_DEVICE_ID_RICOH_RL5C476,
"Ricoh RL5C476 PCI-CardBus Bridge",
PCIC_RF5C296, PCIC_RICOH_POWER },
{ PCI_DEVICE_ID_RICOH_RL5C477,
"Ricoh RL5C477 PCI-CardBus Bridge",
PCIC_RF5C296, PCIC_RICOH_POWER },
{ PCI_DEVICE_ID_RICOH_RL5C478,
"Ricoh RL5C478 PCI-CardBus Bridge",
PCIC_RF5C296, PCIC_RICOH_POWER },
{ PCI_DEVICE_ID_PCIC_TI1031,
"TI PCI-1031 PCI-PCMCIA Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1130,
"TI PCI-1130 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1131,
"TI PCI-1131 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1211,
"TI PCI-1211 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1220,
"TI PCI-1220 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1221,
"TI PCI-1221 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1225,
"TI PCI-1225 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1250,
"TI PCI-1250 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1251,
"TI PCI-1251 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1251B,
"TI PCI-1251B PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1410,
"TI PCI-1410 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1420,
"TI PCI-1420 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1450,
"TI PCI-1450 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI1451,
"TI PCI-1451 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_PCIC_TI4451,
"TI PCI-4451 PCI-CardBus Bridge",
PCIC_I82365SL_DF, PCIC_DF_POWER },
{ PCI_DEVICE_ID_TOSHIBA_TOPIC95,
"Toshiba ToPIC95 PCI-CardBus Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ PCI_DEVICE_ID_TOSHIBA_TOPIC97,
"Toshiba ToPIC97 PCI-CardBus Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ PCI_DEVICE_ID_TOSHIBA_TOPIC100,
"Toshiba ToPIC100 PCI-CardBus Bridge",
PCIC_I82365, PCIC_AB_POWER },
{ 0, NULL, 0, 0 }
};
/*
* Read a register from the PCIC.
*/
static unsigned char
pcic_pci_getb2(struct pcic_slot *sp, int reg)
{
return (bus_space_read_1(sp->bst, sp->bsh, sp->offset + reg));
}
/*
* Write a register on the PCIC
*/
static void
pcic_pci_putb2(struct pcic_slot *sp, int reg, unsigned char val)
{
bus_space_write_1(sp->bst, sp->bsh, sp->offset + reg, val);
}
/*
* lookup inside the table
*/
static struct pcic_pci_table *
pcic_pci_lookup(u_int32_t devid, struct pcic_pci_table *tbl)
{
while (tbl->devid) {
if (tbl->devid == devid)
return (tbl);
tbl++;
}
return (NULL);
}
/*
* Set up the CL-PD6832
*/
static void
pcic_pci_pd6832_init(device_t dev)
{
u_long bcr; /* to set interrupts */
/*
* CLPD683X management interrupt enable bit is bit 11 in bridge
* control register(offset 0x3d).
* When this bit is turned on, card status change interrupt sets
* on ISA IRQ interrupt.
*/
bcr = pci_read_config(dev, CB_PCI_BRIDGE_CTRL, 2);
bcr |= CLPD6832_BCR_MGMT_IRQ_ENA;
pci_write_config(dev, CB_PCI_BRIDGE_CTRL, bcr, 2);
}
/*
* TI PCI-CardBus Host Adapter specific function code.
* This function is separated from pcic_pci_attach().
* Takeshi Shibagaki(shiba@jp.freebsd.org).
*/
static void
pcic_pci_ti_init(device_t dev)
{
u_long syscntl,devcntl,cardcntl;
u_int32_t device_id = pci_get_devid(dev);
char buf[128];
struct pcic_softc *sc = device_get_softc(dev);
int ti113x = (device_id == PCI_DEVICE_ID_PCIC_TI1031) ||
(device_id == PCI_DEVICE_ID_PCIC_TI1130) ||
(device_id == PCI_DEVICE_ID_PCIC_TI1131);
syscntl = pci_read_config(dev, TI113X_PCI_SYSTEM_CONTROL, 4);
devcntl = pci_read_config(dev, TI113X_PCI_DEVICE_CONTROL, 1);
cardcntl = pci_read_config(dev, TI113X_PCI_CARD_CONTROL, 1);
switch(ti113x){
case 0 :
strcpy(buf, "TI12XX PCI Config Reg: ");
break;
case 1 :
strcpy(buf, "TI113X PCI Config Reg: ");
/*
* Default card control register setting is
* PCI interrupt. The method of this code
* switches PCI INT and ISA IRQ by bit 7 of
* Bridge Control Register(Offset:0x3e,0x13e).
* Takeshi Shibagaki(shiba@jp.freebsd.org)
*/
if (sc->func_route == pci_parallel) {
cardcntl |= TI113X_CARDCNTL_PCI_IRQ_ENA;
cardcntl &= ~TI113X_CARDCNTL_PCI_IREQ;
} else {
cardcntl |= TI113X_CARDCNTL_PCI_IREQ;
}
if (sc->csc_route == pci_parallel)
cardcntl |= TI113X_CARDCNTL_PCI_CSC;
else
cardcntl &= ~TI113X_CARDCNTL_PCI_CSC;
pci_write_config(dev, TI113X_PCI_CARD_CONTROL, cardcntl, 1);
cardcntl = pci_read_config(dev, TI113X_PCI_CARD_CONTROL, 1);
if (syscntl & TI113X_SYSCNTL_CLKRUN_ENA) {
if (syscntl & TI113X_SYSCNTL_CLKRUN_SEL)
strcat(buf, "[clkrun irq 12]");
else
strcat(buf, "[clkrun irq 10]");
}
break;
}
if (sc->func_route == pci_parallel) {
devcntl &= ~TI113X_DEVCNTL_INTR_MASK;
pci_write_config(dev, TI113X_PCI_DEVICE_CONTROL, devcntl, 1);
devcntl = pci_read_config(dev, TI113X_PCI_DEVICE_CONTROL, 1);
syscntl |= TI113X_SYSCNTL_INTRTIE;
syscntl &= ~TI113X_SYSCNTL_SMIENB;
pci_write_config(dev, TI113X_PCI_SYSTEM_CONTROL, syscntl, 1);
}
if (cardcntl & TI113X_CARDCNTL_RING_ENA)
strcat(buf, "[ring enable]");
if (cardcntl & TI113X_CARDCNTL_SPKR_ENA)
strcat(buf, "[speaker enable]");
if (syscntl & TI113X_SYSCNTL_PWRSAVINGS)
strcat(buf, "[pwr save]");
switch(devcntl & TI113X_DEVCNTL_INTR_MASK){
case TI113X_DEVCNTL_INTR_ISA :
strcat(buf, "[CSC parallel isa irq]");
break;
case TI113X_DEVCNTL_INTR_SERIAL :
strcat(buf, "[CSC serial isa irq]");
break;
case TI113X_DEVCNTL_INTR_NONE :
strcat(buf, "[pci only]");
break;
case TI12XX_DEVCNTL_INTR_ALLSERIAL :
strcat(buf, "[FUNC pci int + CSC serial isa irq]");
break;
}
device_printf(dev, "%s\n",buf);
}
static void
pcic_pci_cardbus_init(device_t dev)
{
u_int16_t brgcntl;
int unit;
struct pcic_softc *sc = device_get_softc(dev);
unit = device_get_unit(dev);
if (sc->func_route == pci_parallel) {
/* Use INTA for routing interrupts via pci bus */
brgcntl = pci_read_config(dev, CB_PCI_BRIDGE_CTRL, 2);
brgcntl &= ~CB_BCR_INT_EXCA;
brgcntl |= CB_BCR_WRITE_POST_EN | CB_BCR_MASTER_ABORT;
pci_write_config(dev, CB_PCI_BRIDGE_CTRL, brgcntl, 2);
} else {
/* Output ISA IRQ indicated in ExCA register(0x03). */
brgcntl = pci_read_config(dev, CB_PCI_BRIDGE_CTRL, 2);
brgcntl |= CB_BCR_INT_EXCA;
pci_write_config(dev, CB_PCI_BRIDGE_CTRL, brgcntl, 2);
}
/* Turn off legacy address */
pci_write_config(dev, CB_PCI_LEGACY16_IOADDR, 0, 2);
/*
* Write zeros into the remaining BARs. This seems to turn off
* the pci configuration of these things and make the cardbus
* bridge use the values for memory programmed into the pcic
* registers.
*/
pci_write_config(dev, CB_PCI_MEMBASE0, 0, 4);
pci_write_config(dev, CB_PCI_MEMLIMIT0, 0, 4);
pci_write_config(dev, CB_PCI_MEMBASE1, 0, 4);
pci_write_config(dev, CB_PCI_MEMLIMIT1, 0, 4);
pci_write_config(dev, CB_PCI_IOBASE0, 0, 4);
pci_write_config(dev, CB_PCI_IOLIMIT0, 0, 4);
pci_write_config(dev, CB_PCI_IOBASE1, 0, 4);
pci_write_config(dev, CB_PCI_IOLIMIT1, 0, 4);
return;
}
static void
pcic_pci_ricoh_init(device_t dev, int old)
{
u_int16_t brgcntl;
/*
* Ricoh chips have a legacy bridge enable different than most
* Code cribbed from NEWBUS's bridge code since I can't find a
* datasheet for them that has register definitions.
*/
if (old) {
brgcntl = pci_read_config(dev, CB_PCI_BRIDGE_CTRL, 2);
brgcntl &= ~(CB_BCR_RL_3E2_EN | CB_BCR_RL_3E0_EN);
pci_write_config(dev, CB_PCI_BRIDGE_CTRL, brgcntl, 2);
}
}
static void
pcic_cd_event(void *arg)
{
struct pcic_softc *sc = (struct pcic_softc *) arg;
struct pcic_slot *sp = &sc->slots[0];
u_int32_t stat;
stat = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_STATE);
device_printf(sc->dev, "debounced state is 0x%x\n", stat);
if ((stat & CB_SS_CD) == 0) {
if ((stat & CB_SS_16BIT) == 0)
device_printf(sp->sc->dev,
"Unsupported card type inserted\n");
else
pccard_event(sp->slt, card_inserted);
} else {
pccard_event(sp->slt, card_removed);
}
sc->cd_pending = 0;
}
static void
pcic_pci_intr(void *arg)
{
struct pcic_softc *sc = (struct pcic_softc *) arg;
struct pcic_slot *sp = &sc->slots[0];
u_int32_t event;
u_int32_t stat;
event = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_EVENT);
if (event != 0) {
device_printf(sc->dev, "Event mask 0x%x\n", event);
if ((event & CB_SE_CD) != 0 && !sc->cd_pending) {
sc->cd_pending = 1;
timeout(pcic_cd_event, arg, hz/2);
}
/* Ack the interrupt, all of them to be safe */
bus_space_write_4(sp->bst, sp->bsh, 0, 0xffffffff);
}
stat = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_STATE);
/* Now call children interrupts if any */
if (sp->intr && (stat & CB_SS_CD) == 0)
sp->intr(sp->argp);
}
/*
* Return the ID string for the controller if the vendor/product id
* matches, NULL otherwise.
*/
static int
pcic_pci_probe(device_t dev)
{
u_int8_t subclass;
u_int8_t progif;
const char *desc;
u_int32_t device_id;
struct pcic_pci_table *itm;
struct resource *res;
int rid;
device_id = pci_get_devid(dev);
desc = NULL;
itm = pcic_pci_lookup(device_id, &pcic_pci_devs[0]);
if (itm != NULL)
desc = itm->descr;
if (desc == NULL && pci_get_class(dev) == PCIC_BRIDGE) {
subclass = pci_get_subclass(dev);
progif = pci_get_progif(dev);
if (subclass == PCIS_BRIDGE_PCMCIA && progif == 0)
desc = "Generic PCI-PCMCIA Bridge";
if (subclass == PCIS_BRIDGE_CARDBUS && progif == 0)
desc = "YENTA PCI-CARDBUS Bridge";
}
if (desc == NULL)
return (ENXIO);
device_set_desc(dev, desc);
/*
* Take us out of power down mode.
*/
if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
/* Reset the power state. */
device_printf(dev, "chip is in D%d power mode "
"-- setting to D0\n", pci_get_powerstate(dev));
pci_set_powerstate(dev, PCI_POWERSTATE_D0);
}
/*
* Allocated/deallocate interrupt. This forces the PCI BIOS or
* other MD method to route the interrupts to this card.
* This so we get the interrupt number in the probe message.
*/
rid = 0;
res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
if (res)
bus_release_resource(dev, SYS_RES_IRQ, rid, res);
return (0);
}
/*
* General PCI based card dispatch routine. Right now
* it only understands the Ricoh, CL-PD6832 and TI parts. It does
* try to do generic things with other parts.
*/
static int
pcic_pci_attach(device_t dev)
{
u_int32_t device_id = pci_get_devid(dev);
u_long command;
struct pcic_slot *sp;
struct pcic_softc *sc;
u_int32_t sockbase;
struct pcic_pci_table *itm;
int rid;
struct resource *r;
int error;
static int num6729;
/*
* In sys/pci/pcireg.h, PCIR_COMMAND must be separated
* PCI_COMMAND_REG(0x04) and PCI_STATUS_REG(0x06).
* Takeshi Shibagaki(shiba@jp.freebsd.org).
*/
command = pci_read_config(dev, PCIR_COMMAND, 4);
command |= PCIM_CMD_PORTEN | PCIM_CMD_MEMEN;
pci_write_config(dev, PCIR_COMMAND, command, 4);
sc = (struct pcic_softc *) device_get_softc(dev);
sp = &sc->slots[0];
sp->sc = sc;
sockbase = pci_read_config(dev, 0x10, 4);
if (sockbase & 0x1) {
device_printf(dev, "I/O mapped device, might not work.\n");
sc->iorid = CB_PCI_SOCKET_BASE;
sc->iores = bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->iorid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
if (sc->iores == NULL)
return (ENOMEM);
sp->getb = pcic_getb_io;
sp->putb = pcic_putb_io;
sc->bst = sp->bst = rman_get_bustag(sc->iores);
sc->bsh = sp->bsh = rman_get_bushandle(sc->iores);
sp->offset = (num6729 % 2) * PCIC_SLOT_SIZE;
sp->controller = PCIC_PD672X;
sp->revision = 0;
sc->flags = PCIC_PD_POWER;
num6729++;
} else {
device_printf(dev, "Memory mapped device, will work.\n");
sc->memrid = CB_PCI_SOCKET_BASE;
sc->memres = bus_alloc_resource(dev, SYS_RES_MEMORY,
&sc->memrid, 0, ~0, 1, RF_ACTIVE);
if (sc->memres == NULL && pcic_pci_get_memory(dev) != 0)
return (ENOMEM);
sp->getb = pcic_pci_getb2;
sp->putb = pcic_pci_putb2;
sp->offset = CB_EXCA_OFFSET;
sc->bst = sp->bst = rman_get_bustag(sc->memres);
sc->bst = sp->bsh = rman_get_bushandle(sc->memres);
itm = pcic_pci_lookup(device_id, &pcic_pci_devs[0]);
if (itm != NULL) {
sp->controller = itm->type;
sp->revision = itm->revision;
sc->flags = itm->flags;
} else {
/* By default, assume we're a D step compatible */
sp->controller = PCIC_I82365SL_DF;
sp->revision = 0;
sc->flags = PCIC_DF_POWER;
}
sp->slt = (struct slot *) 1;
}
sc->dev = dev;
sc->csc_route = pci_parallel;
sc->func_route = pci_parallel;
switch (device_id) {
case PCI_DEVICE_ID_RICOH_RL5C465:
case PCI_DEVICE_ID_RICOH_RL5C466:
pcic_pci_ricoh_init(dev, 1);
pcic_pci_cardbus_init(dev);
break;
case PCI_DEVICE_ID_RICOH_RL5C475:
case PCI_DEVICE_ID_RICOH_RL5C476:
case PCI_DEVICE_ID_RICOH_RL5C477:
case PCI_DEVICE_ID_RICOH_RL5C478:
pcic_pci_ricoh_init(dev, 0);
pcic_pci_cardbus_init(dev);
break;
case PCI_DEVICE_ID_PCIC_TI1031:
case PCI_DEVICE_ID_PCIC_TI1130:
case PCI_DEVICE_ID_PCIC_TI1131:
case PCI_DEVICE_ID_PCIC_TI1211:
case PCI_DEVICE_ID_PCIC_TI1220:
case PCI_DEVICE_ID_PCIC_TI1221:
case PCI_DEVICE_ID_PCIC_TI1225:
case PCI_DEVICE_ID_PCIC_TI1250:
case PCI_DEVICE_ID_PCIC_TI1251:
case PCI_DEVICE_ID_PCIC_TI1251B:
case PCI_DEVICE_ID_PCIC_TI1410:
case PCI_DEVICE_ID_PCIC_TI1420:
case PCI_DEVICE_ID_PCIC_TI1450:
case PCI_DEVICE_ID_PCIC_TI1451:
case PCI_DEVICE_ID_PCIC_TI4451:
pcic_pci_ti_init(dev);
pcic_pci_cardbus_init(dev);
break;
case PCI_DEVICE_ID_PCIC_CLPD6832:
pcic_pci_pd6832_init(dev);
break;
default:
pcic_pci_cardbus_init(dev);
break;
}
rid = 0;
r = NULL;
r = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_ACTIVE | RF_SHAREABLE);
if (r == NULL) {
device_printf(dev, "Failed to allocate managment irq\n");
return (EIO);
}
sc->irqrid = rid;
sc->irqres = r;
sc->irq = rman_get_start(r);
error = bus_setup_intr(dev, r, INTR_TYPE_MISC, pcic_pci_intr,
(void *) sc, &sc->ih);
if (error) {
pcic_dealloc(dev);
return (error);
}
return (pcic_attach(dev));
}
static int
pcic_pci_detach(device_t dev)
{
return (0);
}
/*
* The PCI bus should do this for us. However, it doesn't quite yet, so
* we cope by doing it ourselves. If it ever does, this code can go quietly
* into that good night.
*/
static int
pcic_pci_get_memory(device_t dev)
{
struct pcic_softc *sc;
u_int32_t sockbase;
sc = (struct pcic_softc *) device_get_softc(dev);
sockbase = pci_read_config(dev, sc->memrid, 4);
if (sockbase >= 0x100000 && sockbase < 0xfffffff0) {
device_printf(dev, "Could not map register memory\n");
return (ENOMEM);
}
pci_write_config(dev, sc->memrid, 0xffffffff, 4);
sockbase = pci_read_config(dev, sc->memrid, 4);
sockbase = (sockbase & 0xfffffff0) & -(sockbase & 0xfffffff0);
#define CARDBUS_SYS_RES_MEMORY_START 0x44000000
#define CARDBUS_SYS_RES_MEMORY_END 0xFFFFFFFF
sc->memres = bus_generic_alloc_resource(device_get_parent(dev),
dev, SYS_RES_MEMORY, &sc->memrid,
CARDBUS_SYS_RES_MEMORY_START, CARDBUS_SYS_RES_MEMORY_END,
sockbase, RF_ACTIVE | rman_make_alignment_flags(sockbase));
if (sc->memres == NULL) {
device_printf(dev, "Could not grab register memory\n");
return (ENOMEM);
}
sockbase = rman_get_start(sc->memres);
pci_write_config(dev, sc->memrid, sockbase, 4);
device_printf(dev, "PCI Memory allocated: 0x%08x\n", sockbase);
return (0);
}
static int
pcic_pci_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_intr_t *intr, void *arg, void **cookiep)
{
struct pcic_softc *sc = (struct pcic_softc *) device_get_softc(dev);
struct pcic_slot *sp = &sc->slots[0];
if (sp->intr)
panic("Interrupt already established");
sp->intr = intr;
sp->argp = arg;
*cookiep = sc;
return (0);
}
static int
pcic_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
struct pcic_softc *sc = (struct pcic_softc *) device_get_softc(dev);
struct pcic_slot *sp = &sc->slots[0];
sp->intr = NULL;
sp->argp = NULL;
return (0);
}
static device_method_t pcic_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pcic_pci_probe),
DEVMETHOD(device_attach, pcic_pci_attach),
DEVMETHOD(device_detach, pcic_pci_detach),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_alloc_resource, pcic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, pcic_activate_resource),
DEVMETHOD(bus_deactivate_resource, pcic_deactivate_resource),
DEVMETHOD(bus_setup_intr, pcic_pci_setup_intr),
DEVMETHOD(bus_teardown_intr, pcic_pci_teardown_intr),
/* Card interface */
DEVMETHOD(card_set_res_flags, pcic_set_res_flags),
DEVMETHOD(card_get_res_flags, pcic_get_res_flags),
DEVMETHOD(card_set_memory_offset, pcic_set_memory_offset),
DEVMETHOD(card_get_memory_offset, pcic_get_memory_offset),
{0, 0}
};
static driver_t pcic_pci_driver = {
"pcic",
pcic_pci_methods,
sizeof(struct pcic_softc)
};
DRIVER_MODULE(pcic, pci, pcic_pci_driver, pcic_devclass, 0, 0);
Reference in New Issue View Git Blame Copy Permalink