freebsd-skq/sys/pccard/pcic_isa.c

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/*
* Copyright (c) 2001 M. Warner Losh. 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.
* 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.
*
* 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/sysctl.h>
#include <sys/systm.h>
#include <pccard/i82365.h>
#include <pccard/cardinfo.h>
#include <pccard/slot.h>
#include <pccard/pcicvar.h>
/* Get pnp IDs */
#include <isa/isavar.h>
#include <dev/pcic/i82365reg.h>
#include <dev/pccard/pccardvar.h>
#include "card_if.h"
static struct isa_pnp_id pcic_ids[] = {
{PCIC_PNP_ACTIONTEC, NULL}, /* AEI0218 */
{PCIC_PNP_IBM3765, NULL}, /* IBM3765 */
{PCIC_PNP_82365, NULL}, /* PNP0E00 */
{PCIC_PNP_CL_PD6720, NULL}, /* PNP0E01 */
{PCIC_PNP_VLSI_82C146, NULL}, /* PNP0E02 */
{PCIC_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */
{PCIC_PNP_SCM_SWAPBOX, NULL}, /* SCM0469 */
{PCIC_NEC_PC9801_102, NULL}, /* NEC8091 */
{PCIC_NEC_PC9821RA_E01, NULL}, /* NEC8121 */
{0}
};
Next step on the road to pci: power taming. Work through the various power commands and convert them from a "is this a foo controller or a foo' controller or a foo''' controller" to a cabability based scheme. We have bits in the softc that tell us what kind of power control scheme the controller uses, rather than relying on being able to enumerate them all. Cardbus bridges are numerous, but nearly all implement the i82365sl-DF scheme (well, a few implement cirrus CL-PD67xx, but those were made by Cirrus Logic!). Add a pointer back to the softc in each pcic_slot so we can access these flags. Add comments that talk about the issues here. Also note in passing that there are two differ Vpp schemes in use and that we may need to adjust the code to deal with both of them. Note why it usually works now. We have 5 power management modes right now: KING, AB, DF, PD and VG. AB is for the i82365 stpes A, B and C. DF is for step DF. PD is the cirrus logic extensions for 3.3V while VG is the VADEM extensions for 3.3V. KING is for the IBM KING controller found on some old cards. # I'm looking for one of those old cards or a laptop that has the KING # bridge in it. We have to still cheat and treat the AB parts like the DF parts because pci isn't here yet. As far as I can tell, this is harmless for actual old parts and necessary to work with 3.3V cards in some laptops. This almost eliminates all tests for controller in the code. There are still a few unrelated to power that need taming as well.
2001-05-21 04:44:14 +00:00
static struct {
const char *name;
u_int32_t flags;
} bridges[] = {
{ "Intel i82365SL-A/B", PCIC_AB_POWER},
{ "IBM PCIC", PCIC_AB_POWER},
{ "VLSI 82C146", PCIC_AB_POWER},
{ "Cirrus logic 6722", PCIC_PD_POWER},
Next step on the road to pci: power taming. Work through the various power commands and convert them from a "is this a foo controller or a foo' controller or a foo''' controller" to a cabability based scheme. We have bits in the softc that tell us what kind of power control scheme the controller uses, rather than relying on being able to enumerate them all. Cardbus bridges are numerous, but nearly all implement the i82365sl-DF scheme (well, a few implement cirrus CL-PD67xx, but those were made by Cirrus Logic!). Add a pointer back to the softc in each pcic_slot so we can access these flags. Add comments that talk about the issues here. Also note in passing that there are two differ Vpp schemes in use and that we may need to adjust the code to deal with both of them. Note why it usually works now. We have 5 power management modes right now: KING, AB, DF, PD and VG. AB is for the i82365 stpes A, B and C. DF is for step DF. PD is the cirrus logic extensions for 3.3V while VG is the VADEM extensions for 3.3V. KING is for the IBM KING controller found on some old cards. # I'm looking for one of those old cards or a laptop that has the KING # bridge in it. We have to still cheat and treat the AB parts like the DF parts because pci isn't here yet. As far as I can tell, this is harmless for actual old parts and necessary to work with 3.3V cards in some laptops. This almost eliminates all tests for controller in the code. There are still a few unrelated to power that need taming as well.
2001-05-21 04:44:14 +00:00
{ "Cirrus logic 6710", PCIC_PD_POWER},
{ "Vadem 365", PCIC_VG_POWER},
{ "Vadem 465", PCIC_VG_POWER},
{ "Vadem 468", PCIC_VG_POWER},
{ "Vadem 469", PCIC_VG_POWER},
{ "Ricoh RF5C296", PCIC_RICOH_POWER},
{ "Ricoh RF5C396", PCIC_RICOH_POWER},
Next step on the road to pci: power taming. Work through the various power commands and convert them from a "is this a foo controller or a foo' controller or a foo''' controller" to a cabability based scheme. We have bits in the softc that tell us what kind of power control scheme the controller uses, rather than relying on being able to enumerate them all. Cardbus bridges are numerous, but nearly all implement the i82365sl-DF scheme (well, a few implement cirrus CL-PD67xx, but those were made by Cirrus Logic!). Add a pointer back to the softc in each pcic_slot so we can access these flags. Add comments that talk about the issues here. Also note in passing that there are two differ Vpp schemes in use and that we may need to adjust the code to deal with both of them. Note why it usually works now. We have 5 power management modes right now: KING, AB, DF, PD and VG. AB is for the i82365 stpes A, B and C. DF is for step DF. PD is the cirrus logic extensions for 3.3V while VG is the VADEM extensions for 3.3V. KING is for the IBM KING controller found on some old cards. # I'm looking for one of those old cards or a laptop that has the KING # bridge in it. We have to still cheat and treat the AB parts like the DF parts because pci isn't here yet. As far as I can tell, this is harmless for actual old parts and necessary to work with 3.3V cards in some laptops. This almost eliminates all tests for controller in the code. There are still a few unrelated to power that need taming as well.
2001-05-21 04:44:14 +00:00
{ "IBM KING", PCIC_KING_POWER},
{ "Intel i82365SL-DF", PCIC_DF_POWER}
};
Move to using a chip function + function pointers to deal with the function and csc interrupt routing path (eg, ISA or PCI) so that we can more easily switch between the two. When we don't have a card ISR, put the function interrupt into ISA mode. This effectively masks the interrupt since it happens once, and not again until we have an ISR. This should help hangs, and might help people that unwisely update the kernel w/o updating pccardd. This is done at mapirq time. Force CL-PD6729/30 to use ISA interrupt routing and maybe even detect the number of pccard slots properly (this is still WIP). We aren't going to support PCI interrupts for this release. A future release should support them, however. Shibata-san's 3.3V fixes are not included. Add a hack which should, in i386, rewrite IRQ 0 cardbus bridges to be IRQ 255, which should cause interrupts to be routed. This is mostly untested since my one tester disappeared after reporting nothing changed. Implement, but do not use, a power method called cardbus. It looked like a great way to get around the 3.3V problem, but it seems that you can only use it to power cardbus cards (I get no CIS when I enable it, so maybe we're programming things bogusly). GC the intr and argp stuff from the slot database. Improve the ToPIC support with the power hacks that Nakagawa-san published in FreeBSD Press and that Hiroyuki Aizu-san ported to -stable. The ToPIC hacks were for 3.3V support in ToPIC 100, but it looks like the '97 also has identical registers, so use them too. Add some #defines for the cardbus power stuff. Finally implement making CSC on the Ricoh chips ISA or PCI. This will allow polling mode to work on vaios, I think. Add some minor debugging. This should likely be cleaned up or put behing a bootverbose. Some of this work, and earlier work, was influanced by Chiharu Shibata-san's power handing patches posted to bsd-nomads:15866. MFC: Soon, if possible.
2001-09-04 04:47:58 +00:00
static pcic_intr_way_t pcic_isa_intr_way;
static pcic_init_t pcic_isa_init;
struct pcic_chip pcic_isa_chip = {
pcic_isa_intr_way,
pcic_isa_intr_way,
pcic_isa_mapirq,
pcic_isa_init
};
/*
* Look for an Intel PCIC (or compatible).
* For each available slot, allocate a PC-CARD slot.
*/
static int
pcic_isa_probe(device_t dev)
{
int slotnum, validslots = 0;
struct pcic_slot *sp;
struct pcic_slot *sp0;
struct pcic_slot *sp1;
struct pcic_slot spsave;
unsigned char c;
struct resource *r;
int rid;
struct pcic_softc *sc;
int error;
/* Check isapnp ids */
error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids);
if (error == ENXIO)
return (ENXIO);
if (bus_get_resource_start(dev, SYS_RES_IOPORT, 0) == 0)
bus_set_resource(dev, SYS_RES_IOPORT, 0, PCIC_PORT_0,
PCIC_NPORT);
rid = 0;
r = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
if (!r) {
if (bootverbose)
device_printf(dev, "Cannot get I/O range\n");
return (ENOMEM);
}
sc = (struct pcic_softc *) device_get_softc(dev);
sc->dev = dev;
sp = &sc->slots[0];
for (slotnum = 0; slotnum < PCIC_CARD_SLOTS; slotnum++, sp++) {
/*
* Initialise the PCIC slot table.
*/
sp->getb = pcic_getb_io;
sp->putb = pcic_putb_io;
sp->bst = rman_get_bustag(r);
sp->bsh = rman_get_bushandle(r);
sp->offset = slotnum * PCIC_SLOT_SIZE;
sp->controller = -1;
}
/*
* Prescan for the broken VLSI chips.
*
* According to the Linux PCMCIA code from David Hinds,
* working chipsets return 0x84 from their (correct) ID ports,
* while the broken ones would need to be probed at the new
* offset we set after we assume it's broken.
*
* Note: because of this, we may incorrectly detect a single
* slot vlsi chip as an i82365sl step D. I cannot find a
* datasheet for the affected chip, so that's the best we can
* do for now.
*/
sp0 = &sc->slots[0];
sp1 = &sc->slots[1];
if (sp0->getb(sp0, PCIC_ID_REV) == PCIC_VLSI82C146 &&
sp1->getb(sp1, PCIC_ID_REV) != PCIC_VLSI82C146) {
spsave = *sp1;
sp1->bsh += 4;
sp1->offset = PCIC_SLOT_SIZE << 1;
if (sp1->getb(sp1, PCIC_ID_REV) != PCIC_VLSI82C146) {
*sp1 = spsave;
} else {
sp0->controller = PCIC_VLSI;
sp1->controller = PCIC_VLSI;
}
}
/*
* Look for normal chipsets here.
*/
sp = &sc->slots[0];
for (slotnum = 0; slotnum < PCIC_CARD_SLOTS; slotnum++, sp++) {
/*
* see if there's a PCMCIA controller here
* Intel PCMCIA controllers use 0x82 and 0x83
* IBM clone chips use 0x88 and 0x89, apparently
*/
c = sp->getb(sp, PCIC_ID_REV);
sp->revision = -1;
switch(c) {
/*
* 82365 or clones.
*/
case PCIC_INTEL0:
case PCIC_INTEL1:
sp->controller = PCIC_I82365;
sp->revision = c & 1;
/*
* Check for Vadem chips by unlocking their extra
* registers and looking for valid ID. Bit 3 in
* the ID register is normally 0, except when
* PCIC_VADEMREV is set. Other bridges appear
* to ignore this frobbing.
*/
bus_space_write_1(sp->bst, sp->bsh, PCIC_INDEX, 0x0E);
bus_space_write_1(sp->bst, sp->bsh, PCIC_INDEX, 0x37);
pcic_setb(sp, PCIC_VMISC, PCIC_VADEMREV);
c = sp->getb(sp, PCIC_ID_REV);
if (c & 0x08) {
switch (sp->revision = c & 7) {
case 1:
sp->controller = PCIC_VG365;
break;
case 2:
sp->controller = PCIC_VG465;
break;
case 3:
sp->controller = PCIC_VG468;
break;
default:
sp->controller = PCIC_VG469;
break;
}
pcic_clrb(sp, PCIC_VMISC, PCIC_VADEMREV);
}
/*
* Check for RICOH RF5C[23]96 PCMCIA Controller
*/
c = sp->getb(sp, PCIC_RICOH_ID);
if (c == PCIC_RID_396)
sp->controller = PCIC_RF5C396;
else if (c == PCIC_RID_296)
sp->controller = PCIC_RF5C296;
break;
/*
* Intel i82365sl-DF step or maybe a vlsi 82c146
* we detected the vlsi case earlier, so if the controller
* isn't set, we know it is an i82365sl step D.
*/
case PCIC_INTEL2:
if (sp->controller == -1)
sp->controller = PCIC_I82365SL_DF;
break;
case PCIC_IBM1:
case PCIC_IBM2:
sp->controller = PCIC_IBM;
sp->revision = c & 1;
break;
case PCIC_IBM3:
sp->controller = PCIC_IBM_KING;
sp->revision = c & 1;
break;
default:
continue;
}
/*
* Check for Cirrus logic chips.
*/
sp->putb(sp, PCIC_CLCHIP, 0);
c = sp->getb(sp, PCIC_CLCHIP);
if ((c & PCIC_CLC_TOGGLE) == PCIC_CLC_TOGGLE) {
c = sp->getb(sp, PCIC_CLCHIP);
if ((c & PCIC_CLC_TOGGLE) == 0) {
if (c & PCIC_CLC_DUAL)
sp->controller = PCIC_PD6722;
else
sp->controller = PCIC_PD6710;
sp->revision = 8 - ((c & 0x1F) >> 2);
}
}
Next step on the road to pci: power taming. Work through the various power commands and convert them from a "is this a foo controller or a foo' controller or a foo''' controller" to a cabability based scheme. We have bits in the softc that tell us what kind of power control scheme the controller uses, rather than relying on being able to enumerate them all. Cardbus bridges are numerous, but nearly all implement the i82365sl-DF scheme (well, a few implement cirrus CL-PD67xx, but those were made by Cirrus Logic!). Add a pointer back to the softc in each pcic_slot so we can access these flags. Add comments that talk about the issues here. Also note in passing that there are two differ Vpp schemes in use and that we may need to adjust the code to deal with both of them. Note why it usually works now. We have 5 power management modes right now: KING, AB, DF, PD and VG. AB is for the i82365 stpes A, B and C. DF is for step DF. PD is the cirrus logic extensions for 3.3V while VG is the VADEM extensions for 3.3V. KING is for the IBM KING controller found on some old cards. # I'm looking for one of those old cards or a laptop that has the KING # bridge in it. We have to still cheat and treat the AB parts like the DF parts because pci isn't here yet. As far as I can tell, this is harmless for actual old parts and necessary to work with 3.3V cards in some laptops. This almost eliminates all tests for controller in the code. There are still a few unrelated to power that need taming as well.
2001-05-21 04:44:14 +00:00
device_set_desc(dev, bridges[(int) sp->controller].name);
sc->flags = bridges[(int) sp->controller].flags;
/*
* OK it seems we have a PCIC or lookalike.
* Allocate a slot and initialise the data structures.
*/
validslots++;
sp->slt = (struct slot *) 1;
/*
* Modem cards send the speaker audio (dialing noises)
* to the host's speaker. Cirrus Logic PCIC chips must
* enable this. There is also a Low Power Dynamic Mode bit
* that claims to reduce power consumption by 30%, so
* enable it and hope for the best.
*/
if (sp->controller == PCIC_PD6722) {
pcic_setb(sp, PCIC_MISC1, PCIC_MISC1_SPEAKER);
pcic_setb(sp, PCIC_MISC2, PCIC_LPDM_EN);
}
}
bus_release_resource(dev, SYS_RES_IOPORT, rid, r);
return (validslots ? 0 : ENXIO);
}
static int
pcic_isa_attach(device_t dev)
{
struct pcic_softc *sc;
int rid;
struct resource *r;
int irq = 0;
int error;
sc = device_get_softc(dev);
rid = 0;
r = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
if (!r) {
pcic_dealloc(dev);
return (ENXIO);
}
sc->iorid = rid;
sc->iores = r;
sc->csc_route = pcic_iw_isa;
sc->func_route = pcic_iw_isa;
Move to using a chip function + function pointers to deal with the function and csc interrupt routing path (eg, ISA or PCI) so that we can more easily switch between the two. When we don't have a card ISR, put the function interrupt into ISA mode. This effectively masks the interrupt since it happens once, and not again until we have an ISR. This should help hangs, and might help people that unwisely update the kernel w/o updating pccardd. This is done at mapirq time. Force CL-PD6729/30 to use ISA interrupt routing and maybe even detect the number of pccard slots properly (this is still WIP). We aren't going to support PCI interrupts for this release. A future release should support them, however. Shibata-san's 3.3V fixes are not included. Add a hack which should, in i386, rewrite IRQ 0 cardbus bridges to be IRQ 255, which should cause interrupts to be routed. This is mostly untested since my one tester disappeared after reporting nothing changed. Implement, but do not use, a power method called cardbus. It looked like a great way to get around the 3.3V problem, but it seems that you can only use it to power cardbus cards (I get no CIS when I enable it, so maybe we're programming things bogusly). GC the intr and argp stuff from the slot database. Improve the ToPIC support with the power hacks that Nakagawa-san published in FreeBSD Press and that Hiroyuki Aizu-san ported to -stable. The ToPIC hacks were for 3.3V support in ToPIC 100, but it looks like the '97 also has identical registers, so use them too. Add some #defines for the cardbus power stuff. Finally implement making CSC on the Ricoh chips ISA or PCI. This will allow polling mode to work on vaios, I think. Add some minor debugging. This should likely be cleaned up or put behing a bootverbose. Some of this work, and earlier work, was influanced by Chiharu Shibata-san's power handing patches posted to bsd-nomads:15866. MFC: Soon, if possible.
2001-09-04 04:47:58 +00:00
sc->chip = &pcic_isa_chip;
rid = 0;
r = NULL;
r = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
if (r == NULL && pcic_override_irq != 0) {
irq = pcic_override_irq;
r = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq, irq, 1,
RF_ACTIVE);
}
if (r && ((1 << (rman_get_start(r))) & PCIC_INT_MASK_ALLOWED) == 0) {
device_printf(dev,
"Hardware does not support irq %d, trying polling.\n",
irq);
bus_release_resource(dev, SYS_RES_IRQ, rid, r);
irq = 0;
r = NULL;
}
sc->irqrid = rid;
sc->irqres = r;
irq = 0;
if (r != NULL) {
error = bus_setup_intr(dev, r, INTR_TYPE_MISC,
pcic_isa_intr, (void *) sc, &sc->ih);
if (error) {
pcic_dealloc(dev);
return (error);
}
irq = rman_get_start(r);
device_printf(dev, "management irq %d\n", irq);
}
sc->irq = irq;
if (irq == 0) {
sc->slot_poll = pcic_timeout;
sc->timeout_ch = timeout(sc->slot_poll, (void *) sc, hz/2);
device_printf(dev, "Polling mode\n");
}
return (pcic_attach(dev));
}
Move to using a chip function + function pointers to deal with the function and csc interrupt routing path (eg, ISA or PCI) so that we can more easily switch between the two. When we don't have a card ISR, put the function interrupt into ISA mode. This effectively masks the interrupt since it happens once, and not again until we have an ISR. This should help hangs, and might help people that unwisely update the kernel w/o updating pccardd. This is done at mapirq time. Force CL-PD6729/30 to use ISA interrupt routing and maybe even detect the number of pccard slots properly (this is still WIP). We aren't going to support PCI interrupts for this release. A future release should support them, however. Shibata-san's 3.3V fixes are not included. Add a hack which should, in i386, rewrite IRQ 0 cardbus bridges to be IRQ 255, which should cause interrupts to be routed. This is mostly untested since my one tester disappeared after reporting nothing changed. Implement, but do not use, a power method called cardbus. It looked like a great way to get around the 3.3V problem, but it seems that you can only use it to power cardbus cards (I get no CIS when I enable it, so maybe we're programming things bogusly). GC the intr and argp stuff from the slot database. Improve the ToPIC support with the power hacks that Nakagawa-san published in FreeBSD Press and that Hiroyuki Aizu-san ported to -stable. The ToPIC hacks were for 3.3V support in ToPIC 100, but it looks like the '97 also has identical registers, so use them too. Add some #defines for the cardbus power stuff. Finally implement making CSC on the Ricoh chips ISA or PCI. This will allow polling mode to work on vaios, I think. Add some minor debugging. This should likely be cleaned up or put behing a bootverbose. Some of this work, and earlier work, was influanced by Chiharu Shibata-san's power handing patches posted to bsd-nomads:15866. MFC: Soon, if possible.
2001-09-04 04:47:58 +00:00
/*
* ISA cards can only do ISA interrupts. There's no need to do
* anything but check args for sanity.
*/
static int
pcic_isa_intr_way(struct pcic_slot *sp, enum pcic_intr_way iw)
{
if (iw != pcic_iw_isa)
return (EINVAL);
return (0);
}
/*
* No speicial initialization is necesary for ISA cards.
*/
static void
pcic_isa_init(device_t dev)
{
}
static device_method_t pcic_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pcic_isa_probe),
DEVMETHOD(device_attach, pcic_isa_attach),
DEVMETHOD(device_detach, bus_generic_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* 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_setup_intr),
DEVMETHOD(bus_teardown_intr, pcic_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_driver = {
"pcic",
pcic_methods,
sizeof(struct pcic_softc)
};
DRIVER_MODULE(pcic, isa, pcic_driver, pcic_devclass, 0, 0);