1587 lines
48 KiB
C
1587 lines
48 KiB
C
/*
|
|
* Copyright (c) 2000, 2002 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#define OBSOLETE_IN_6
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/systm.h>
|
|
|
|
#if __FreeBSD_version < 500000
|
|
#include <pci/pcireg.h>
|
|
#include <pci/pcivar.h>
|
|
#else
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#endif
|
|
|
|
#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) do { \
|
|
if (bootverbose) { device_printf x; } \
|
|
} while (0)
|
|
|
|
static int pcic_pci_get_memory(device_t dev);
|
|
|
|
SYSCTL_DECL(_hw_pcic);
|
|
|
|
static int pcic_ignore_function_1 = 0;
|
|
TUNABLE_INT("hw.pcic.ignore_function_1", &pcic_ignore_function_1);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, ignore_function_1, CTLFLAG_RDTUN,
|
|
&pcic_ignore_function_1, 0,
|
|
"When set, driver ignores pci function 1 of the bridge. This option\n\
|
|
is obsolete and will be deleted before FreeBSD 4.8.");
|
|
|
|
/*
|
|
* The following should be a hint, so we can do it on a per device
|
|
* instance, but this is convenient. Do not set this unless pci
|
|
* routing doesn't work. It is purposely vague and undocumented
|
|
* at the moment. Sadly, this seems to be needed way too often.
|
|
*/
|
|
static int pcic_intr_path = (int)pcic_iw_pci;
|
|
TUNABLE_INT("hw.pcic.intr_path", &pcic_intr_path);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, intr_path, CTLFLAG_RDTUN, &pcic_intr_path, 0,
|
|
"Which path to send the interrupts over. Normally interrupts for\n\
|
|
cardbus bridges are routed over the PCI bus (2). However, some laptops\n\
|
|
will hang when using PCI interrupts due to bugs in this code. Those\n\
|
|
bugs can be worked around by forcings ISA interrupts (1).");
|
|
|
|
static int pcic_init_routing = 0;
|
|
TUNABLE_INT("hw.pcic.init_routing", &pcic_init_routing);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, init_routing, CTLFLAG_RDTUN,
|
|
&pcic_init_routing, 0,
|
|
"Force the interrupt routing to be initialized on those bridges where\n\
|
|
doing so will cause probelms. This is very rare and generally is not\n\
|
|
needed. The default of 0 is almost always appropriate. Only set to 1 if\n\
|
|
instructed to do so for debugging. Only TI bridges are affected by this\n\
|
|
option, and what the code does is of dubious value. This option is obsolete\n\
|
|
and will be deleted before FreeBSD 4.8.");
|
|
|
|
static int pcic_ignore_pci = 0;
|
|
TUNABLE_INT("hw.pcic.ignore_pci", &pcic_ignore_pci);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, ignore_pci, CTLFLAG_RDTUN,
|
|
&pcic_ignore_pci, 0,
|
|
"When set, driver ignores pci cardbus bridges it would otherwise claim.\n\
|
|
Generally speaking, this option is not needed for anything other than as an\n\
|
|
aid in debugging.");
|
|
|
|
static int pcic_pd6729_intr_path = (int)pcic_iw_isa;
|
|
TUNABLE_INT("hw.pcic.pd6729_intr_path", &pcic_pd6729_intr_path);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, pd6729_intr_path, CTLFLAG_RDTUN,
|
|
&pcic_pd6729_intr_path, 0,
|
|
"Determine the interrupt path or method for Cirrus Logic PD6729 and\n\
|
|
similar I/O space based pcmcia bridge. Chips on a PCI expansion card need\n\
|
|
a value of 2, while chips installed in a laptop need a value of 1 (which is\n\
|
|
also the default). This is similar to hw.pcic.intr_path, but separate so\n\
|
|
that it can default to ISA when intr_path defaults to PCI.");
|
|
|
|
static int pcic_ti12xx_enable_pci_clock = 0;
|
|
TUNABLE_INT("hw.pcic.ti12xx_enable_pci_clock", &pcic_ti12xx_enable_pci_clock);
|
|
SYSCTL_INT(_hw_pcic, OID_AUTO, ti12xx_enable_pci_clock, CTLFLAG_RDTUN,
|
|
&pcic_ti12xx_enable_pci_clock, 0,
|
|
"Some TI-12xx parts need to have the PCI clock enabled. These designs do\n\
|
|
not provide a clock themselves. Most of the reference boards have the\n\
|
|
required oscillator parts, so the number of machines that needs this to be\n\
|
|
set is vanishingly small.");
|
|
|
|
static void pcic_pci_cardbus_init(device_t);
|
|
static pcic_intr_way_t pcic_pci_gen_func;
|
|
static pcic_intr_way_t pcic_pci_gen_csc;
|
|
static pcic_intr_mapirq_t pcic_pci_gen_mapirq;
|
|
|
|
static pcic_intr_way_t pcic_pci_oz67xx_func;
|
|
static pcic_intr_way_t pcic_pci_oz67xx_csc;
|
|
static pcic_init_t pcic_pci_oz67xx_init;
|
|
|
|
static pcic_intr_way_t pcic_pci_oz68xx_func;
|
|
static pcic_intr_way_t pcic_pci_oz68xx_csc;
|
|
static pcic_init_t pcic_pci_oz68xx_init;
|
|
|
|
static pcic_intr_way_t pcic_pci_pd6729_func;
|
|
static pcic_intr_way_t pcic_pci_pd6729_csc;
|
|
static pcic_init_t pcic_pci_pd6729_init;
|
|
|
|
static pcic_intr_way_t pcic_pci_pd68xx_func;
|
|
static pcic_intr_way_t pcic_pci_pd68xx_csc;
|
|
static pcic_init_t pcic_pci_pd68xx_init;
|
|
|
|
static pcic_intr_way_t pcic_pci_ricoh_func;
|
|
static pcic_intr_way_t pcic_pci_ricoh_csc;
|
|
static pcic_init_t pcic_pci_ricoh_init;
|
|
|
|
static pcic_intr_way_t pcic_pci_ti113x_func;
|
|
static pcic_intr_way_t pcic_pci_ti113x_csc;
|
|
static pcic_init_t pcic_pci_ti_init;
|
|
|
|
static pcic_intr_way_t pcic_pci_ti12xx_func;
|
|
static pcic_intr_way_t pcic_pci_ti12xx_csc;
|
|
|
|
static pcic_intr_way_t pcic_pci_topic_func;
|
|
static pcic_intr_way_t pcic_pci_topic_csc;
|
|
static pcic_init_t pcic_pci_topic_init;
|
|
|
|
static struct pcic_chip pcic_pci_oz67xx_chip = {
|
|
pcic_pci_oz67xx_func,
|
|
pcic_pci_oz67xx_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_oz67xx_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_oz68xx_chip = {
|
|
pcic_pci_oz68xx_func,
|
|
pcic_pci_oz68xx_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_oz68xx_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_pd6729_chip = {
|
|
pcic_pci_pd6729_func,
|
|
pcic_pci_pd6729_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_pd6729_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_pd68xx_chip = {
|
|
pcic_pci_pd68xx_func,
|
|
pcic_pci_pd68xx_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_pd68xx_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_ricoh_chip = {
|
|
pcic_pci_ricoh_func,
|
|
pcic_pci_ricoh_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_ricoh_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_ti113x_chip = {
|
|
pcic_pci_ti113x_func,
|
|
pcic_pci_ti113x_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_ti_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_ti12xx_chip = {
|
|
pcic_pci_ti12xx_func,
|
|
pcic_pci_ti12xx_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_ti_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_topic_chip = {
|
|
pcic_pci_topic_func,
|
|
pcic_pci_topic_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_topic_init
|
|
};
|
|
|
|
static struct pcic_chip pcic_pci_generic_chip = {
|
|
pcic_pci_gen_func,
|
|
pcic_pci_gen_csc,
|
|
pcic_pci_gen_mapirq,
|
|
pcic_pci_cardbus_init
|
|
};
|
|
|
|
/* Chipset specific flags */
|
|
#define TI_NO_MFUNC 0x10000
|
|
|
|
struct pcic_pci_table
|
|
{
|
|
u_int32_t devid;
|
|
const char *descr;
|
|
int type;
|
|
u_int32_t flags;
|
|
struct pcic_chip *chip;
|
|
} pcic_pci_devs[] = {
|
|
{ PCIC_ID_OMEGA_82C094, "Omega 82C094G",
|
|
PCIC_I82365, PCIC_DF_POWER, &pcic_pci_pd6729_chip },
|
|
{ PCIC_ID_CLPD6729, "Cirrus Logic PD6729/6730 PCI-PCMCIA Bridge",
|
|
PCIC_PD6729, PCIC_PD_POWER, &pcic_pci_pd6729_chip },
|
|
{ PCIC_ID_CLPD6832, "Cirrus Logic PD6832 PCI-CardBus Bridge",
|
|
PCIC_PD673X, PCIC_CARDBUS_POWER, &pcic_pci_pd68xx_chip },
|
|
{ PCIC_ID_CLPD6833, "Cirrus Logic PD6833 PCI-CardBus Bridge",
|
|
PCIC_PD673X, PCIC_CARDBUS_POWER, &pcic_pci_pd68xx_chip },
|
|
{ PCIC_ID_CLPD6834, "Cirrus Logic PD6834 PCI-CardBus Bridge",
|
|
PCIC_PD673X, PCIC_CARDBUS_POWER, &pcic_pci_pd68xx_chip },
|
|
{ PCIC_ID_OZ6729, "O2micro OZ6729 PC-Card Bridge",
|
|
PCIC_I82365, PCIC_AB_POWER, &pcic_pci_oz67xx_chip },
|
|
{ PCIC_ID_OZ6730, "O2micro OZ6730 PC-Card Bridge",
|
|
PCIC_I82365, PCIC_AB_POWER, &pcic_pci_oz67xx_chip },
|
|
{ PCIC_ID_OZ6832, "O2micro 6832/6833 PCI-Cardbus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_oz68xx_chip },
|
|
{ PCIC_ID_OZ6860, "O2micro 6836/6860 PCI-Cardbus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_oz68xx_chip },
|
|
{ PCIC_ID_OZ6872, "O2micro 6812/6872 PCI-Cardbus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_oz68xx_chip },
|
|
{ PCIC_ID_OZ6912, "O2micro 6912 PCI-Cardbus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_oz68xx_chip },
|
|
{ PCIC_ID_OZ6922, "O2micro 6922 PCI-Cardbus Bridge",
|
|
PCIC_I82365, PCIC_AB_POWER, &pcic_pci_oz68xx_chip },
|
|
{ PCIC_ID_OZ6933, "O2micro 6933 PCI-Cardbus Bridge",
|
|
PCIC_I82365, PCIC_AB_POWER, &pcic_pci_oz68xx_chip },
|
|
{ PCIC_ID_RICOH_RL5C465, "Ricoh RL5C465 PCI-CardBus Bridge",
|
|
PCIC_RF5C296, PCIC_CARDBUS_POWER, &pcic_pci_ricoh_chip },
|
|
{ PCIC_ID_RICOH_RL5C475, "Ricoh RL5C475 PCI-CardBus Bridge",
|
|
PCIC_RF5C296, PCIC_CARDBUS_POWER, &pcic_pci_ricoh_chip },
|
|
{ PCIC_ID_RICOH_RL5C476, "Ricoh RL5C476 PCI-CardBus Bridge",
|
|
PCIC_RF5C296, PCIC_CARDBUS_POWER, &pcic_pci_ricoh_chip },
|
|
{ PCIC_ID_RICOH_RL5C477, "Ricoh RL5C477 PCI-CardBus Bridge",
|
|
PCIC_RF5C296, PCIC_CARDBUS_POWER, &pcic_pci_ricoh_chip },
|
|
{ PCIC_ID_RICOH_RL5C478, "Ricoh RL5C478 PCI-CardBus Bridge",
|
|
PCIC_RF5C296, PCIC_CARDBUS_POWER, &pcic_pci_ricoh_chip },
|
|
{ PCIC_ID_SMC_34C90, "SMC 34C90 PCI-CardBus Bridge",
|
|
PCIC_RF5C296, PCIC_CARDBUS_POWER, &pcic_pci_generic_chip },
|
|
{ PCIC_ID_TI1031, "TI PCI-1031 PCI-PCMCIA Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti113x_chip },
|
|
{ PCIC_ID_TI1130, "TI PCI-1130 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti113x_chip },
|
|
{ PCIC_ID_TI1131, "TI PCI-1131 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti113x_chip },
|
|
{ PCIC_ID_TI1210, "TI PCI-1210 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1211, "TI PCI-1211 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1220, "TI PCI-1220 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1221, "TI PCI-1221 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1225, "TI PCI-1225 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1250, "TI PCI-1250 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER | TI_NO_MFUNC,
|
|
&pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1251, "TI PCI-1251 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER | TI_NO_MFUNC,
|
|
&pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1251B, "TI PCI-1251B PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER | TI_NO_MFUNC,
|
|
&pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1260, "TI PCI-1260 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1260B, "TI PCI-1260B PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1410, "TI PCI-1410 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1420, "TI PCI-1420 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1421, "TI PCI-1421 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1450, "TI PCI-1450 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER | TI_NO_MFUNC,
|
|
&pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1451, "TI PCI-1451 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1510, "TI PCI-1510 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI1520, "TI PCI-1520 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI4410, "TI PCI-4410 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI4450, "TI PCI-4450 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI4451, "TI PCI-4451 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TI4510, "TI PCI-4510 PCI-CardBus Bridge",
|
|
PCIC_I82365SL_DF, PCIC_CARDBUS_POWER, &pcic_pci_ti12xx_chip },
|
|
{ PCIC_ID_TOPIC95, "Toshiba ToPIC95 PCI-CardBus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_topic_chip },
|
|
{ PCIC_ID_TOPIC95B, "Toshiba ToPIC95B PCI-CardBus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_topic_chip },
|
|
{ PCIC_ID_TOPIC97, "Toshiba ToPIC97 PCI-CardBus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_topic_chip },
|
|
{ PCIC_ID_TOPIC100, "Toshiba ToPIC100 PCI-CardBus Bridge",
|
|
PCIC_I82365, PCIC_CARDBUS_POWER, &pcic_pci_topic_chip },
|
|
{ 0, NULL, 0, 0, NULL }
|
|
};
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
|
|
/*
|
|
* The standard way to control fuction interrupts is via bit 7 in the BCR
|
|
* register. Some data sheets indicate that this is just for "intterupts"
|
|
* while others are clear that it is for function interrupts. When this
|
|
* bit is set, function interrupts are routed via the ExCA register. When
|
|
* this bit is clear, they are routed via the PCI bus, usually via the int
|
|
* in the INTPIN register.
|
|
*/
|
|
static int
|
|
pcic_pci_gen_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
u_int16_t bcr;
|
|
|
|
bcr = pci_read_config(sp->sc->dev, CB_PCI_BRIDGE_CTRL, 2);
|
|
if (way == pcic_iw_pci)
|
|
bcr &= ~CB_BCR_INT_EXCA;
|
|
else
|
|
bcr |= CB_BCR_INT_EXCA;
|
|
pci_write_config(sp->sc->dev, CB_PCI_BRIDGE_CTRL, bcr, 2);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pcic_pci_gen_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* The O2micro OZ67xx chips functions.
|
|
*/
|
|
static int
|
|
pcic_pci_oz67xx_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
return (pcic_pci_gen_func(sp, way));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_oz67xx_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
/*
|
|
* Need datasheet to find out what's going on. However, the
|
|
* 68xx datasheets are so vague that it is hard to know what
|
|
* the right thing to do is.
|
|
*/
|
|
/* XXX */
|
|
return (0);
|
|
}
|
|
|
|
|
|
static void
|
|
pcic_pci_oz67xx_init(device_t dev)
|
|
{
|
|
device_printf(dev, "Warning: O2micro OZ67xx chips may not work\n");
|
|
pcic_pci_cardbus_init(dev);
|
|
}
|
|
|
|
/*
|
|
* The O2micro OZ68xx chips functions.
|
|
*/
|
|
static int
|
|
pcic_pci_oz68xx_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
return (pcic_pci_gen_func(sp, way));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_oz68xx_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
/*
|
|
* The 68xx datasheets make it hard to know what the right thing
|
|
* to do here is. We do what we know, which is nothing, and
|
|
* hope for the best.
|
|
*
|
|
* XXX NEWCARD may have some useful code here.
|
|
*/
|
|
/* XXX */
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pcic_pci_oz68xx_init(device_t dev)
|
|
{
|
|
/*
|
|
* This is almost certainly incomplete.
|
|
*/
|
|
device_printf(dev, "Warning: O2micro OZ68xx chips may not work\n");
|
|
pcic_pci_cardbus_init(dev);
|
|
}
|
|
|
|
/*
|
|
* The Cirrus Logic PD6729/30. These are weird beasts, so be careful.
|
|
* They are ISA parts glued to the PCI bus and do not follow the yenta
|
|
* specification for cardbus bridges. They seem to be similar to the
|
|
* intel parts that were also cloned by o2micro and maybe others, but
|
|
* they are so much more common that the author doesn't have experience
|
|
* with them to know for sure.
|
|
*/
|
|
static int
|
|
pcic_pci_pd6729_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
/*
|
|
* For pci interrupts, we need to set bit 3 of extension register
|
|
* 3 to 1. For ISA interrupts, we need to clear it.
|
|
*/
|
|
sp->putb(sp, PCIC_EXT_IND, PCIC_EXTCTRL1);
|
|
if (way == pcic_iw_pci)
|
|
pcic_setb(sp, PCIC_EXTENDED, PCIC_EC1_CARD_IRQ_INV);
|
|
else
|
|
pcic_clrb(sp, PCIC_EXTENDED, PCIC_EC1_CARD_IRQ_INV);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pcic_pci_pd6729_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
/*
|
|
* For pci interrupts, we need to set bit 4 of extension register
|
|
* 3 to 1. For ISA interrupts, we need to clear it.
|
|
*/
|
|
sp->putb(sp, PCIC_EXT_IND, PCIC_EXTCTRL1);
|
|
if (way == pcic_iw_pci)
|
|
pcic_setb(sp, PCIC_EXTENDED, PCIC_EC1_CSC_IRQ_INV);
|
|
else
|
|
pcic_clrb(sp, PCIC_EXTENDED, PCIC_EC1_CSC_IRQ_INV);
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
static void
|
|
pcic_pci_pd6729_init(device_t dev)
|
|
{
|
|
struct pcic_softc *sc = device_get_softc(dev);
|
|
|
|
/*
|
|
* Tell the chip to do its routing thing.
|
|
*/
|
|
pcic_pci_pd6729_func(&sc->slots[0], sc->func_route);
|
|
pcic_pci_pd6729_csc(&sc->slots[0], sc->csc_route);
|
|
}
|
|
|
|
/*
|
|
* Set up the CL-PD6832, 6833 and 6834.
|
|
*/
|
|
static int
|
|
pcic_pci_pd68xx_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
return (pcic_pci_gen_func(sp, way));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_pd68xx_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
struct pcic_softc *sc = sp->sc;
|
|
device_t dev = sc->dev;
|
|
u_int32_t device_id = pci_get_devid(dev);
|
|
u_long bcr;
|
|
u_long cm1;
|
|
|
|
/*
|
|
* CLPD6832 management interrupt enable bit is bit 11
|
|
* (MGMT_IRQ_ENA) in bridge control register(offset 0x3d).
|
|
* When on, card status interrupts are ISA controlled by
|
|
* the ExCA register 0x05.
|
|
*
|
|
* The CLPD6833 does things differently. It doesn't have bit
|
|
* 11 in the bridge control register. Instead, this
|
|
* functionality appears to be in the "Configuration
|
|
* Miscellaneous 1" register bit 1.
|
|
*
|
|
* I'm assuming that the CLPD6834 does things like the '33
|
|
*/
|
|
if (device_id == PCIC_ID_CLPD6832) {
|
|
bcr = pci_read_config(dev, CB_PCI_BRIDGE_CTRL, 2);
|
|
if (way == pcic_iw_pci)
|
|
bcr &= ~CLPD6832_BCR_MGMT_IRQ_ENA;
|
|
else
|
|
bcr |= CLPD6832_BCR_MGMT_IRQ_ENA;
|
|
pci_write_config(dev, CB_PCI_BRIDGE_CTRL, bcr, 2);
|
|
}
|
|
if (device_id != PCIC_ID_CLPD6832) {
|
|
cm1 = pci_read_config(dev, CLPD6833_CFG_MISC_1, 4);
|
|
if (way == pcic_iw_pci)
|
|
cm1 &= ~CLPD6833_CM1_MGMT_EXCA_ENA;
|
|
else
|
|
cm1 |= CLPD6833_CM1_MGMT_EXCA_ENA;
|
|
pci_write_config(dev, CLPD6833_CFG_MISC_1, cm1, 4);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pcic_pci_pd68xx_init(device_t dev)
|
|
{
|
|
pcic_pci_cardbus_init(dev);
|
|
}
|
|
|
|
static int
|
|
pcic_pci_ricoh_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
return (pcic_pci_gen_func(sp, way));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_ricoh_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
struct pcic_softc *sc = sp->sc;
|
|
device_t dev = sc->dev;
|
|
u_int16_t mcr2;
|
|
|
|
/*
|
|
* For CSC interrupts via ISA, we can't do that exactly.
|
|
* However, we can disable INT# routing, which is usually what
|
|
* we want. This is bit 7 in the field. Note, bit 6 looks
|
|
* interesting, but appears to be unnecessary.
|
|
*/
|
|
mcr2 = pci_read_config(dev, R5C47X_MISC_CONTROL_REGISTER_2, 2);
|
|
if (way == pcic_iw_pci)
|
|
mcr2 &= ~R5C47X_MCR2_CSC_TO_INTX_DISABLE;
|
|
else
|
|
mcr2 |= R5C47X_MCR2_CSC_TO_INTX_DISABLE;
|
|
pci_write_config(dev, R5C47X_MISC_CONTROL_REGISTER_2, mcr2, 2);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pcic_pci_ricoh_init(device_t dev)
|
|
{
|
|
u_int16_t brgcntl;
|
|
u_int32_t device_id = pci_get_devid(dev);
|
|
|
|
switch (device_id) {
|
|
case PCIC_ID_RICOH_RL5C465:
|
|
case PCIC_ID_RICOH_RL5C466:
|
|
/*
|
|
* 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.
|
|
*/
|
|
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);
|
|
break;
|
|
}
|
|
pcic_pci_cardbus_init(dev);
|
|
}
|
|
|
|
/*
|
|
* TI 1030, 1130, and 1131.
|
|
*/
|
|
static int
|
|
pcic_pci_ti113x_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
u_int32_t cardcntl;
|
|
device_t dev = sp->sc->dev;
|
|
|
|
/*
|
|
* The TI-1130 (and 1030 and 1131) have a different interrupt
|
|
* routing control than the newer chips. assume we're not
|
|
* routing either csc or func interrupts via PCI, but enable
|
|
* as necessary when we find someone uses PCI interrupts. In
|
|
* order to get any pci interrupts, PCI_IRQ_ENA (bit 5) must
|
|
* be set. If either PCI_IREQ (bit 4) or PCI_CSC (bit 3) are
|
|
* set, then set bit 5 at the same time, since setting them
|
|
* enables the PCI interrupt routing.
|
|
*
|
|
* It also appears necessary to set the function routing bit
|
|
* in the bridge control register, but cardbus_init does that
|
|
* for us.
|
|
*/
|
|
cardcntl = pci_read_config(dev, TI113X_PCI_CARD_CONTROL, 1);
|
|
if (way == pcic_iw_pci)
|
|
cardcntl |= TI113X_CARDCNTL_PCI_IREQ;
|
|
else
|
|
cardcntl &= ~TI113X_CARDCNTL_PCI_IREQ;
|
|
if (cardcntl & (TI113X_CARDCNTL_PCI_IREQ | TI113X_CARDCNTL_PCI_CSC))
|
|
cardcntl |= TI113X_CARDCNTL_PCI_IRQ_ENA;
|
|
else
|
|
cardcntl &= ~TI113X_CARDCNTL_PCI_IRQ_ENA;
|
|
pci_write_config(dev, TI113X_PCI_CARD_CONTROL, cardcntl, 1);
|
|
|
|
return (pcic_pci_gen_func(sp, way));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_ti113x_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
u_int32_t cardcntl;
|
|
device_t dev = sp->sc->dev;
|
|
|
|
/*
|
|
* The TI-1130 (and 1030 and 1131) have a different interrupt
|
|
* routing control than the newer cards. assume we're not
|
|
* routing PCI, but enable as necessary when we find someone
|
|
* uses PCI interrupts. In order to get any pci interrupts,
|
|
* PCI_IRQ_ENA (bit 5) must be set. If either PCI_IREQ (bit
|
|
* 4) or PCI_CSC (bit 3) are set, then set bit 5 at the same
|
|
* time, since setting them enables the PCI interrupt routing.
|
|
*
|
|
* It also appears necessary to set the function routing bit
|
|
* in the bridge control register, but cardbus_init does that
|
|
* for us.
|
|
*/
|
|
cardcntl = pci_read_config(dev, TI113X_PCI_CARD_CONTROL, 1);
|
|
if (way == pcic_iw_pci)
|
|
cardcntl |= TI113X_CARDCNTL_PCI_CSC;
|
|
else
|
|
cardcntl &= ~TI113X_CARDCNTL_PCI_CSC;
|
|
if (cardcntl & (TI113X_CARDCNTL_PCI_IREQ | TI113X_CARDCNTL_PCI_CSC))
|
|
cardcntl |= TI113X_CARDCNTL_PCI_IRQ_ENA;
|
|
else
|
|
cardcntl &= ~TI113X_CARDCNTL_PCI_IRQ_ENA;
|
|
pci_write_config(dev, TI113X_PCI_CARD_CONTROL, cardcntl, 1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pcic_pci_ti12xx_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
u_int32_t syscntl, devcntl, cardcntl, mfunc;
|
|
device_t dev = sp->sc->dev;
|
|
|
|
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);
|
|
|
|
/*
|
|
* Special code for the Orinoco cards (and a few others). They
|
|
* seem to need this special code to make them work only over pci
|
|
* interrupts. Sadly, doing this code also causes problems for
|
|
* many laptops, so we have to make it controlled by a tunable.
|
|
* Actually, experience has shown that this rarely, if ever,
|
|
* helps.
|
|
*/
|
|
if (way == pcic_iw_pci) {
|
|
/*
|
|
* pcic_init_routing seems to do nothing useful towards
|
|
* fixing the hang problems. I plan on removing it in
|
|
* 4.8 or so.
|
|
*/
|
|
if (pcic_init_routing) {
|
|
devcntl &= ~TI113X_DEVCNTL_INTR_MASK;
|
|
pci_write_config(dev, TI113X_PCI_DEVICE_CONTROL,
|
|
devcntl, 1);
|
|
syscntl |= TI113X_SYSCNTL_INTRTIE;
|
|
}
|
|
|
|
/*
|
|
* I've had reports that we need the pci clock enabled,
|
|
* provide a hook to do so. The number of cards that
|
|
* require this is quite small.
|
|
*/
|
|
if (pcic_ti12xx_enable_pci_clock) {
|
|
syscntl |= TI12XX_SYSCNTL_PCI_CLOCK;
|
|
pci_write_config(dev, TI113X_PCI_SYSTEM_CONTROL,
|
|
syscntl, 4);
|
|
}
|
|
|
|
/*
|
|
* Some PCI add-in cards don't have good EEPROMs on them,
|
|
* so they get this MUX register wrong. The MUX register
|
|
* defaults to 0, which is usually wrong for this register,
|
|
* so we initialize it to make sense.
|
|
*
|
|
* We don't bother to turn it off in the ISA case since it
|
|
* is an initialization issue.
|
|
*
|
|
* A few weird TI bridges don't have MFUNC, so filter
|
|
* those out too.
|
|
*/
|
|
if ((sp->sc->flags & TI_NO_MFUNC) == 0) {
|
|
mfunc = pci_read_config(dev, TI12XX_PCI_MFUNC, 4);
|
|
if (mfunc == 0) {
|
|
mfunc = (mfunc & ~TI12XX_MFUNC_PIN0) |
|
|
TI12XX_MFUNC_PIN0_INTA;
|
|
if ((syscntl & TI113X_SYSCNTL_INTRTIE) == 0)
|
|
mfunc = (mfunc & ~TI12XX_MFUNC_PIN1) |
|
|
TI12XX_MFUNC_PIN1_INTB;
|
|
pci_write_config(dev, TI12XX_PCI_MFUNC, mfunc,
|
|
4);
|
|
}
|
|
}
|
|
|
|
}
|
|
return (pcic_pci_gen_func(sp, way));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_ti12xx_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
/*
|
|
* Nothing happens here. The TI12xx parts will route the
|
|
* CSC interrupt via PCI if ExCA register tells it to use
|
|
* interrupt 0. And via IRQ otherwise (except for reserved
|
|
* values which may or may not do anything).
|
|
*
|
|
* We just hope for the best here that doing nothing is the
|
|
* right thing to do.
|
|
*/
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* 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_int32_t syscntl, diagctl, devcntl, cardcntl;
|
|
u_int32_t device_id = pci_get_devid(dev);
|
|
int ti113x = (device_id == PCIC_ID_TI1031) ||
|
|
(device_id == PCIC_ID_TI1130) ||
|
|
(device_id == PCIC_ID_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);
|
|
|
|
if (ti113x) {
|
|
device_printf(dev, "TI113X PCI Config Reg: ");
|
|
if (syscntl & TI113X_SYSCNTL_CLKRUN_ENA) {
|
|
if (syscntl & TI113X_SYSCNTL_CLKRUN_SEL)
|
|
printf("[clkrun irq 12]");
|
|
else
|
|
printf("[clkrun irq 10]");
|
|
}
|
|
} else {
|
|
device_printf(dev, "TI12XX PCI Config Reg: ");
|
|
|
|
/*
|
|
* Turn on async CSC interrupts. This appears to
|
|
* be the default, but the old, pre pci-aware, code
|
|
* did this and it appears PAO does as well.
|
|
*/
|
|
diagctl = pci_read_config(dev, TI12XX_PCI_DIAGNOSTIC, 1);
|
|
diagctl |= TI12XX_DIAG_CSC_INTR;
|
|
pci_write_config(dev, TI12XX_PCI_DIAGNOSTIC, diagctl, 1);
|
|
|
|
/*
|
|
* Turn off Zoom Video. Some cards have this enabled,
|
|
* some do not but it causes problems when enabled. This
|
|
* register doesn't exist on the 1130 (and likely the 1131,
|
|
* but without a datasheet it is impossible to know).
|
|
* Some 12xx chips may not have it, but setting it is
|
|
* believed to be harmless on those models.
|
|
*/
|
|
pci_write_config(dev, TI12XX_PCI_MULTIMEDIA_CONTROL, 0, 4);
|
|
}
|
|
if (cardcntl & TI113X_CARDCNTL_RING_ENA)
|
|
printf("[ring enable]");
|
|
if (cardcntl & TI113X_CARDCNTL_SPKR_ENA)
|
|
printf("[speaker enable]");
|
|
if (syscntl & TI113X_SYSCNTL_PWRSAVINGS)
|
|
printf("[pwr save]");
|
|
switch(devcntl & TI113X_DEVCNTL_INTR_MASK){
|
|
case TI113X_DEVCNTL_INTR_ISA :
|
|
printf("[CSC parallel isa irq]");
|
|
break;
|
|
case TI113X_DEVCNTL_INTR_SERIAL :
|
|
printf("[CSC serial isa irq]");
|
|
break;
|
|
case TI113X_DEVCNTL_INTR_NONE :
|
|
printf("[pci only]");
|
|
break;
|
|
case TI12XX_DEVCNTL_INTR_ALLSERIAL :
|
|
printf("[FUNC pci int + CSC serial isa irq]");
|
|
break;
|
|
}
|
|
printf("\n");
|
|
pcic_pci_cardbus_init(dev);
|
|
}
|
|
|
|
/*
|
|
* Code for TOPIC chips
|
|
*/
|
|
static int
|
|
pcic_pci_topic_func(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
#ifdef THIS_BRAEKS_THINGS
|
|
device_t dev = sp->sc->dev;
|
|
u_int32_t scr;
|
|
|
|
scr = pci_read_config(dev, TOPIC_SOCKET_CTRL, 4);
|
|
if (way == pcic_iw_pci)
|
|
scr |= TOPIC_SOCKET_CTRL_SCR_IRQSEL;
|
|
else
|
|
scr &= ~TOPIC_SOCKET_CTRL_SCR_IRQSEL;
|
|
pci_write_config(dev, TOPIC_SLOT_CTRL, scr, 4);
|
|
#endif
|
|
return (pcic_pci_gen_func(sp, way));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_topic_csc(struct pcic_slot *sp, enum pcic_intr_way way)
|
|
{
|
|
device_t dev = sp->sc->dev;
|
|
u_int32_t scr;
|
|
u_int32_t device_id;
|
|
|
|
device_id = pci_get_devid(dev);
|
|
if (device_id == PCIC_ID_TOPIC100 || device_id == PCIC_ID_TOPIC97) {
|
|
scr = pci_read_config(dev, TOPIC_SLOT_CTRL, 4);
|
|
if (way == pcic_iw_pci)
|
|
scr |= TOPIC97_SLOT_CTRL_PCIINT;
|
|
else
|
|
scr &= ~TOPIC97_SLOT_CTRL_PCIINT;
|
|
pci_write_config(dev, TOPIC_SLOT_CTRL, scr, 4);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pcic_pci_topic_init(device_t dev)
|
|
{
|
|
struct pcic_softc *sc = device_get_softc(dev);
|
|
u_int32_t reg;
|
|
u_int32_t device_id;
|
|
|
|
device_id = pci_get_devid(dev);
|
|
reg = pci_read_config(dev, TOPIC_SLOT_CTRL, 4);
|
|
reg |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN |
|
|
TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS);
|
|
reg &= ~TOPIC_SLOT_CTRL_SWDETECT;
|
|
if (device_id == PCIC_ID_TOPIC100 || device_id == PCIC_ID_TOPIC97) {
|
|
reg |= TOPIC97_SLOT_CTRL_PCIINT;
|
|
reg &= ~(TOPIC97_SLOT_CTRL_STSIRQP | TOPIC97_SLOT_CTRL_IRQP);
|
|
}
|
|
pci_write_config(dev, TOPIC_SLOT_CTRL, reg, 4);
|
|
pcic_pci_cardbus_init(dev);
|
|
|
|
if (device_id == PCIC_ID_TOPIC100 || device_id == PCIC_ID_TOPIC97) {
|
|
/*
|
|
* We need to enable voltage sense and 3V cards explicitly
|
|
* in the bridge. The datasheets I have for both the
|
|
* ToPIC 97 and 100 both lists these ports. Without
|
|
* datasheets for the ToPIC95s, I can't tell if we need
|
|
* to do it there or not.
|
|
*/
|
|
pcic_setb(&sc->slots[0], PCIC_TOPIC_FCR,
|
|
PCIC_FCR_3V_EN | PCIC_FCR_VS_EN);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pcic_pci_cardbus_init(device_t dev)
|
|
{
|
|
struct pcic_softc *sc = device_get_softc(dev);
|
|
u_int16_t brgcntl;
|
|
int unit;
|
|
|
|
unit = device_get_unit(dev);
|
|
|
|
brgcntl = pci_read_config(dev, CB_PCI_BRIDGE_CTRL, 2);
|
|
brgcntl |= CB_BCR_WRITE_POST_EN | CB_BCR_MASTER_ABORT;
|
|
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 memory I/O windows. 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);
|
|
|
|
/*
|
|
* Tell the chip to do its routing thing.
|
|
*/
|
|
sc->chip->func_intr_way(&sc->slots[0], sc->func_route);
|
|
sc->chip->csc_intr_way(&sc->slots[0], sc->csc_route);
|
|
|
|
return;
|
|
}
|
|
|
|
static const char *
|
|
pcic_pci_cardtype(u_int32_t stat)
|
|
{
|
|
if (stat & CB_SS_NOTCARD)
|
|
return ("unrecognized by bridge");
|
|
if ((stat & (CB_SS_16BIT | CB_SS_CB)) == (CB_SS_16BIT | CB_SS_CB))
|
|
return ("16-bit and 32-bit (can't happen)");
|
|
if (stat & CB_SS_16BIT)
|
|
return ("16-bit pccard");
|
|
if (stat & CB_SS_CB)
|
|
return ("32-bit cardbus");
|
|
return ("none (can't happen)");
|
|
}
|
|
|
|
/*
|
|
* Card insertion and removal code. The insertion events need to be
|
|
* debounced so that the noisy insertion/removal events don't result
|
|
* in the hardware being initialized many times, only to be torn down
|
|
* as well. This may also cause races with pccardd. Instead, we wait
|
|
* for the insertion signal to be stable for 0.5 seconds before we declare
|
|
* it to be a real insertion event. Removal is also debounced. We turn
|
|
* off interrupt servicing during the settling time to prevent infinite
|
|
* loops in the driver.
|
|
*
|
|
* Note: We only handle the card detect change events. We don't handle
|
|
* power events and status change events.
|
|
*/
|
|
static void
|
|
pcic_cd_change(void *arg)
|
|
{
|
|
struct pcic_softc *sc = (struct pcic_softc *) arg;
|
|
struct pcic_slot *sp = &sc->slots[0];
|
|
u_int32_t stat;
|
|
|
|
sc->cd_pending = 0;
|
|
stat = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_STATE);
|
|
|
|
/* Status changed while present; remove the card from the system. */
|
|
if (sc->cd_present) {
|
|
sc->cd_present = 0;
|
|
pccard_event(sp->slt, card_removed);
|
|
}
|
|
/* Nothing to do if the debounced state is 'not present'. */
|
|
if ((stat & CB_SS_CD) != 0)
|
|
return;
|
|
|
|
sc->cd_present = 1;
|
|
if (bootverbose && (stat & CB_SS_BADVCC) != 0)
|
|
device_printf(sc->dev, "BAD Vcc request: 0x%x\n", stat);
|
|
if ((stat & CB_SS_16BIT) == 0)
|
|
device_printf(sp->sc->dev, "Card type %s is unsupported\n",
|
|
pcic_pci_cardtype(stat));
|
|
else
|
|
pccard_event(sp->slt, card_inserted);
|
|
}
|
|
|
|
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;
|
|
|
|
event = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_EVENT);
|
|
if (event != 0) {
|
|
if (bootverbose)
|
|
device_printf(sc->dev, "Event mask 0x%x\n", event);
|
|
|
|
/*
|
|
* Treat all card-detect signal transitions the same way
|
|
* since we can't reliably tell if this is an insert or a
|
|
* remove event. Stop the card from getting interrupts and
|
|
* defer the insert/remove event until the CB_SOCKET_STATE
|
|
* signals have had time to settle.
|
|
*/
|
|
if ((event & CB_SE_CD) != 0) {
|
|
if (sc->cd_pending) {
|
|
untimeout(pcic_cd_change, arg, sc->cd_ch);
|
|
sc->cd_pending = 0;
|
|
}
|
|
sc->cd_pending = 1;
|
|
sc->cd_ch = timeout(pcic_cd_change, arg, hz/2);
|
|
sc->func_intr = NULL;
|
|
}
|
|
|
|
/* Ack the interrupt */
|
|
bus_space_write_4(sp->bst, sp->bsh, 0, event);
|
|
}
|
|
|
|
/*
|
|
* Some TI chips also require us to read the old ExCA register for
|
|
* card status change when we route CSC via PCI! So, we go ahead
|
|
* and read it to clear the bits. Maybe we should check the status
|
|
* ala the ISA interrupt handler, but those changes should be caught
|
|
* in the CD change.
|
|
*
|
|
* We have to check it every interrupt because these bits can sometimes
|
|
* show up indepentently of the CB_SOCKET_EVENT register above.
|
|
*/
|
|
sp->getb(sp, PCIC_STAT_CHG);
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
|
|
if (pcic_ignore_pci)
|
|
return (ENXIO);
|
|
device_id = pci_get_devid(dev);
|
|
desc = NULL;
|
|
itm = pcic_pci_lookup(device_id, &pcic_pci_devs[0]);
|
|
if (pcic_ignore_function_1 && pci_get_function(dev) == 1) {
|
|
if (itm != NULL)
|
|
PRVERB((dev, "Ignoring function 1\n"));
|
|
return (ENXIO);
|
|
}
|
|
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 (bootverbose && desc)
|
|
printf("Found unknown %s devid 0x%x\n", desc, device_id);
|
|
}
|
|
if (desc == NULL)
|
|
return (ENXIO);
|
|
device_set_desc(dev, desc);
|
|
|
|
/*
|
|
* Take us out of power down mode, if necessary. It also
|
|
* appears that even reading the power register is enough on
|
|
* some systems to cause correct behavior.
|
|
*/
|
|
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.
|
|
* We only need to route interrupts when we're doing pci
|
|
* parallel interrupt routing.
|
|
*
|
|
* We use two different variables for the memory based and I/O
|
|
* based cards, so the check here is a little more complex than
|
|
* one would otherwise hope.
|
|
*
|
|
* XXX The bus code for PCI really should do this for us.
|
|
*/
|
|
if ((pcic_intr_path == pcic_iw_pci &&
|
|
device_id != PCIC_ID_CLPD6729) ||
|
|
(pcic_pd6729_intr_path == pcic_iw_pci &&
|
|
device_id == PCIC_ID_CLPD6729)) {
|
|
rid = 0;
|
|
#ifdef __i386__
|
|
/*
|
|
* IRQ 0 is invalid on x86, but not other platforms.
|
|
* If we have irq 0, then write 255 to force a new, non-
|
|
* bogus one to be assigned. I think that in -current
|
|
* the code in this ifdef may be obsolete with the new
|
|
* invalid mapping that we're doing in the pci layer -- imp
|
|
*/
|
|
if (pci_get_irq(dev) == 0) {
|
|
pci_set_irq(dev, 255);
|
|
pci_write_config(dev, PCIR_INTLINE, 255, 1);
|
|
}
|
|
#endif
|
|
res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
|
|
RF_ACTIVE);
|
|
if (res)
|
|
bus_release_resource(dev, SYS_RES_IRQ, rid, res);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pcic_pci_shutdown(device_t dev)
|
|
{
|
|
/*
|
|
* More reports of things working w/o this code than with it.
|
|
*/
|
|
#if 0
|
|
struct pcic_softc *sc;
|
|
struct pcic_slot *sp;
|
|
|
|
sc = (struct pcic_softc *) device_get_softc(dev);
|
|
sp = &sc->slots[0];
|
|
|
|
/*
|
|
* Turn off the power to the slot in an attempt to
|
|
* keep the system from hanging on reboot. We also turn off
|
|
* card interrupts in an attempt to control interrupt storms.
|
|
* on some (all?) this has the effect of also turning off
|
|
* card status change interrupts. A side effect of writing 0
|
|
* to INT_GEN is that the card is placed into "reset" mode
|
|
* where nothing happens until it is taken out of "reset"
|
|
* mode.
|
|
*
|
|
* Also, turn off the generation of status interrupts too.
|
|
*/
|
|
sp->putb(sp, PCIC_INT_GEN, 0);
|
|
sp->putb(sp, PCIC_STAT_INT, 0);
|
|
sp->putb(sp, PCIC_POWER, 0);
|
|
DELAY(4000);
|
|
|
|
/*
|
|
* Writing to INT_GEN can cause an interrupt, so we blindly
|
|
* ack all possible interrupts here. Reading the stat change
|
|
* shouldn't be necessary, but some TI chipsets need it in the
|
|
* normal course of operations, so we do it here too. We can't
|
|
* lose any interrupts after this point, so go ahead and ack
|
|
* everything. The bits in INT_GEN clear upon reading them.
|
|
* We also set the interrupt mask to 0, in an effort to avoid
|
|
* getting further interrupts.
|
|
*/
|
|
bus_space_write_4(sp->bst, sp->bsh, CB_SOCKET_MASK, 0);
|
|
bus_space_write_4(sp->bst, sp->bsh, CB_SOCKET_EVENT, 0xffffffff);
|
|
sp->getb(sp, PCIC_STAT_CHG);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Print out the config space
|
|
*/
|
|
static void
|
|
pcic_pci_print_config(device_t dev)
|
|
{
|
|
int i;
|
|
|
|
device_printf(dev, "PCI Configuration space:");
|
|
for (i = 0; i < 256; i += 4) {
|
|
if (i % 16 == 0)
|
|
printf("\n 0x%02x: ", i);
|
|
printf("0x%08x ", pci_read_config(dev, i, 4));
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
/*
|
|
* Generic pci interrupt attach routine. It tries to understand all parts,
|
|
* and do sane things for those parts it does not understand.
|
|
*/
|
|
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;
|
|
u_int32_t stat;
|
|
struct pcic_pci_table *itm;
|
|
int rid;
|
|
int i;
|
|
struct resource *r = NULL;
|
|
int error;
|
|
u_long irq = 0;
|
|
driver_intr_t *intr = NULL;
|
|
|
|
/*
|
|
* 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) {
|
|
sc->iorid = CB_PCI_SOCKET_BASE;
|
|
sc->iores = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
|
|
&sc->iorid, RF_ACTIVE | RF_SHAREABLE);
|
|
if (sc->iores == NULL)
|
|
return (ENOMEM);
|
|
|
|
sc->flags = PCIC_PD_POWER;
|
|
itm = pcic_pci_lookup(device_id, &pcic_pci_devs[0]);
|
|
for (i = 0; i < 2; i++) {
|
|
sp[i].bst = rman_get_bustag(sc->iores);
|
|
sp[i].bsh = rman_get_bushandle(sc->iores);
|
|
sp[i].sc = sc;
|
|
sp[i].revision = 0;
|
|
sp[i].getb = pcic_getb_io;
|
|
sp[i].putb = pcic_putb_io;
|
|
sp[i].offset = i * PCIC_SLOT_SIZE;
|
|
sp[i].controller = itm ? itm->type : PCIC_PD6729;
|
|
if ((sp[i].getb(&sp[i], PCIC_ID_REV) & 0xc0) == 0x80)
|
|
sp[i].slt = (struct slot *) 1;
|
|
}
|
|
sc->csc_route = sc->func_route = pcic_pd6729_intr_path;
|
|
if (itm)
|
|
sc->flags = itm->flags;
|
|
/*
|
|
* We have to use the ISA interrupt routine for status
|
|
* changes since we don't have any "yenta" pci registers.
|
|
* We have to do this even when we're using pci type
|
|
* interrupts because on these cards the interrupts are
|
|
* cleared in the same way that the ISA cards clear them.
|
|
*/
|
|
intr = pcic_isa_intr;
|
|
} else {
|
|
sc->memrid = CB_PCI_SOCKET_BASE;
|
|
sc->memres = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
|
|
&sc->memrid, 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;
|
|
sp->bst = rman_get_bustag(sc->memres);
|
|
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 = 0;
|
|
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_CARDBUS_POWER;
|
|
}
|
|
/* All memory mapped cardbus bridges have these registers */
|
|
sc->flags |= PCIC_YENTA_HIGH_MEMORY;
|
|
sp->slt = (struct slot *) 1;
|
|
sc->csc_route = pcic_intr_path;
|
|
sc->func_route = pcic_intr_path;
|
|
stat = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_STATE);
|
|
sc->cd_present = (stat & CB_SS_CD) == 0;
|
|
}
|
|
sc->dev = dev;
|
|
if (itm)
|
|
sc->chip = itm->chip;
|
|
else
|
|
sc->chip = &pcic_pci_generic_chip;
|
|
|
|
if (sc->csc_route == pcic_iw_pci) {
|
|
rid = 0;
|
|
r = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
|
|
RF_ACTIVE | RF_SHAREABLE);
|
|
if (r == NULL) {
|
|
sc->csc_route = pcic_iw_isa;
|
|
sc->func_route = pcic_iw_isa;
|
|
device_printf(dev,
|
|
"No PCI interrupt routed, trying ISA.\n");
|
|
} else {
|
|
if (intr == NULL)
|
|
intr = pcic_pci_intr;
|
|
irq = rman_get_start(r);
|
|
}
|
|
}
|
|
if (sc->csc_route == pcic_iw_isa) {
|
|
rid = 0;
|
|
irq = pcic_override_irq;
|
|
if (irq != 0) {
|
|
r = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq,
|
|
irq, 1, RF_ACTIVE);
|
|
if (r == NULL) {
|
|
device_printf(dev,
|
|
"Can't route ISA CSC interrupt.\n");
|
|
pcic_dealloc(dev);
|
|
return (ENXIO);
|
|
}
|
|
device_printf(dev,
|
|
"Management interrupt on ISA IRQ %ld\n", irq);
|
|
if (intr == NULL)
|
|
intr = pcic_isa_intr;
|
|
} else {
|
|
sc->slot_poll = pcic_timeout;
|
|
sc->timeout_ch = timeout(sc->slot_poll, sc, hz/2);
|
|
device_printf(dev, "Polling mode\n");
|
|
intr = NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Initialize AFTER we figure out what kind of interrupt we're
|
|
* going to be using, if any.
|
|
*/
|
|
if (!sc->chip)
|
|
panic("Bug: sc->chip not set!\n");
|
|
sc->chip->init(dev);
|
|
|
|
/*
|
|
* Now install the interrupt handler, if necessary.
|
|
*/
|
|
sc->irqrid = rid;
|
|
sc->irqres = r;
|
|
sc->irq = irq;
|
|
if (intr) {
|
|
error = bus_setup_intr(dev, r, INTR_TYPE_AV, intr, sc, &sc->ih);
|
|
if (error) {
|
|
pcic_dealloc(dev);
|
|
return (error);
|
|
}
|
|
}
|
|
if (bootverbose)
|
|
pcic_pci_print_config(dev);
|
|
return (pcic_attach(dev));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_detach(device_t dev)
|
|
{
|
|
return (EBUSY); /* Can't detach this device */
|
|
}
|
|
|
|
/*
|
|
* 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 0x%x\n",
|
|
sockbase);
|
|
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 0x88000000
|
|
#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_gen_mapirq(struct pcic_slot *sp, int irq)
|
|
{
|
|
/*
|
|
* If we're doing ISA interrupt routing, then just go to the
|
|
* generic ISA routine. Also, irq 0 means turn off the interrupts
|
|
* at the bridge.
|
|
*/
|
|
if (sp->sc->func_route == pcic_iw_isa || irq == 0)
|
|
return (pcic_isa_mapirq(sp, irq));
|
|
|
|
/*
|
|
* Ohterwise we're doing PCI interrupts. For those cardbus bridges
|
|
* that follow yenta (and the one pcmcia bridge that does), we don't
|
|
* do a thing to get the IRQ mapped into the system. However,
|
|
* for other controllers that are PCI, but not yetna compliant, we
|
|
* need to do some special mapping.
|
|
*
|
|
* XXX Maybe we shouldn't assume INTA#, but rather as the function
|
|
* XXX what Intline to use.
|
|
*/
|
|
if (sp->controller == PCIC_PD6729) {
|
|
/*
|
|
* INTA - 3
|
|
* INTB - 4
|
|
* INTC - 5
|
|
* INTD - 7
|
|
*/
|
|
sp->putb(sp, PCIC_INT_GEN, /* Assume INTA# */
|
|
(sp->getb(sp, PCIC_INT_GEN) & 0xF0) | 3);
|
|
return (0);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
pcic_pci_func_intr(void *arg)
|
|
{
|
|
struct pcic_softc *sc = (struct pcic_softc *) arg;
|
|
struct pcic_slot *sp = &sc->slots[0];
|
|
u_int32_t stat;
|
|
int doit = 0;
|
|
|
|
/*
|
|
* The 6729 controller is a weird one, and we have to use
|
|
* the ISA registers to check to see if the card is there.
|
|
* Otherwise we look at the PCI state register to find out
|
|
* if the card is there.
|
|
*/
|
|
if (sp->controller == PCIC_PD6729) {
|
|
if ((sp->getb(sp, PCIC_STATUS) & PCIC_CD) == PCIC_CD)
|
|
doit = 1;
|
|
}
|
|
else {
|
|
stat = bus_space_read_4(sp->bst, sp->bsh, CB_SOCKET_STATE);
|
|
if ((stat & CB_SS_CD) == 0 && sc->func_intr != 0)
|
|
doit = 1;
|
|
}
|
|
if (doit && sc->func_intr != NULL)
|
|
sc->func_intr(sc->func_arg);
|
|
}
|
|
|
|
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 = device_get_softc(dev);
|
|
struct pcic_slot *sp = &sc->slots[0];
|
|
int err;
|
|
|
|
if (sc->func_route == pcic_iw_isa)
|
|
return(pcic_setup_intr(dev, child, irq, flags, intr, arg,
|
|
cookiep));
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
if ((flags & INTR_FAST) != 0)
|
|
#else
|
|
if ((flags & INTR_TYPE_FAST) != 0)
|
|
#endif
|
|
return (EINVAL);
|
|
if (sc->func_intr != NULL) {
|
|
device_printf(child, "Can't establish another ISR\n");
|
|
return (EINVAL);
|
|
}
|
|
|
|
err = bus_generic_setup_intr(dev, child, irq, flags,
|
|
pcic_pci_func_intr, sc, cookiep);
|
|
if (err != 0)
|
|
return (err);
|
|
sc->chip->map_irq(sp, rman_get_start(irq));
|
|
sc->func_intr = intr;
|
|
sc->func_arg = arg;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pcic_pci_teardown_intr(device_t dev, device_t child, struct resource *irq,
|
|
void *cookie)
|
|
{
|
|
struct pcic_softc *sc = device_get_softc(dev);
|
|
|
|
if (sc->func_route == pcic_iw_isa)
|
|
return (pcic_teardown_intr(dev, child, irq, cookie));
|
|
sc->func_intr = NULL;
|
|
return (bus_generic_teardown_intr(dev, child, irq, cookie));
|
|
}
|
|
|
|
static int
|
|
pcic_pci_resume(device_t dev)
|
|
{
|
|
struct pcic_softc *sc = device_get_softc(dev);
|
|
|
|
/*
|
|
* Some BIOSes will not save the BARs for the pci chips, so we
|
|
* must do it ourselves. If the BAR is reset to 0 for an I/O
|
|
* device, it will read back as 0x1, so no explicit test for
|
|
* memory devices are needed.
|
|
*
|
|
* Note: The PCI bus code should do this automatically for us on
|
|
* suspend/resume, but until it does, we have to cope.
|
|
*/
|
|
if (pci_read_config(dev, CB_PCI_SOCKET_BASE, 4) == 0)
|
|
pci_write_config(dev, CB_PCI_SOCKET_BASE,
|
|
rman_get_start(sc->memres), 4);
|
|
return (bus_generic_resume(dev));
|
|
}
|
|
|
|
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, pcic_pci_resume),
|
|
DEVMETHOD(device_shutdown, pcic_pci_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);
|