FreeBSD-5.3/sys/dev/firewire/fwohci_pci.c
/*
* Copyright (c) 2003 Hidetoshi Shimokawa
* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the acknowledgement as bellow:
*
* This product includes software developed by K. Kobayashi and H. SHimokawa
*
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: src/sys/dev/firewire/fwohci_pci.c,v 1.48 2004/08/04 12:18:39 simokawa Exp $
*/
#define BOUNCE_BUFFER_TEST 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <sys/malloc.h>
#if defined(__FreeBSD__) && __FreeBSD_version >= 501102
#include <sys/lock.h>
#include <sys/mutex.h>
#endif
#include <machine/resource.h>
#if defined(__DragonFly__) || __FreeBSD_version < 500000
#include <machine/clock.h> /* for DELAY() */
#endif
#ifdef __DragonFly__
#include <bus/pci/pcivar.h>
#include <bus/pci/pcireg.h>
#include "firewire.h"
#include "firewirereg.h"
#include "fwdma.h"
#include "fwohcireg.h"
#include "fwohcivar.h"
#else
#if __FreeBSD_version < 500000
#include <pci/pcivar.h>
#include <pci/pcireg.h>
#else
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#endif
#include <dev/firewire/firewire.h>
#include <dev/firewire/firewirereg.h>
#include <dev/firewire/fwdma.h>
#include <dev/firewire/fwohcireg.h>
#include <dev/firewire/fwohcivar.h>
#endif
static int fwohci_pci_attach(device_t self);
static int fwohci_pci_detach(device_t self);
/*
* The probe routine.
*/
static int
fwohci_pci_probe( device_t dev )
{
#if 1
uint32_t id;
id = pci_get_devid(dev);
if (id == (FW_VENDORID_NATSEMI | FW_DEVICE_CS4210)) {
device_set_desc(dev, "National Semiconductor CS4210");
return 0;
}
if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) {
device_set_desc(dev, "NEC uPD72861");
return 0;
}
if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) {
device_set_desc(dev, "NEC uPD72871/2");
return 0;
}
if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72870)) {
device_set_desc(dev, "NEC uPD72870");
return 0;
}
if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72873)) {
device_set_desc(dev, "NEC uPD72873");
return 0;
}
if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72874)) {
device_set_desc(dev, "NEC uPD72874");
return 0;
}
if (id == (FW_VENDORID_SIS | FW_DEVICE_7007)) {
/* It has no real identifier, using device id. */
device_set_desc(dev, "SiS 7007");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) {
device_set_desc(dev, "Texas Instruments TSB12LV22");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) {
device_set_desc(dev, "Texas Instruments TSB12LV23");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) {
device_set_desc(dev, "Texas Instruments TSB12LV26");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) {
device_set_desc(dev, "Texas Instruments TSB43AA22");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) {
device_set_desc(dev, "Texas Instruments TSB43AB22/A");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB21)) {
device_set_desc(dev, "Texas Instruments TSB43AB21/A/AI/A-EP");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB23)) {
device_set_desc(dev, "Texas Instruments TSB43AB23");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB82AA2)) {
device_set_desc(dev, "Texas Instruments TSB82AA2");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) {
device_set_desc(dev, "Texas Instruments PCI4450");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) {
device_set_desc(dev, "Texas Instruments PCI4410A");
return 0;
}
if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4451)) {
device_set_desc(dev, "Texas Instruments PCI4451");
return 0;
}
if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD1947)) {
device_set_desc(dev, "Sony i.LINK (CXD1947)");
return 0;
}
if (id == (FW_VENDORID_SONY | FW_DEVICE_CXD3222)) {
device_set_desc(dev, "Sony i.LINK (CXD3222)");
return 0;
}
if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) {
device_set_desc(dev, "VIA Fire II (VT6306)");
return 0;
}
if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C551)) {
device_set_desc(dev, "Ricoh R5C551");
return 0;
}
if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) {
device_set_desc(dev, "Ricoh R5C552");
return 0;
}
if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) {
device_set_desc(dev, "Apple Pangea");
return 0;
}
if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) {
device_set_desc(dev, "Apple UniNorth");
return 0;
}
if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) {
device_set_desc(dev, "Lucent FW322/323");
return 0;
}
if (id == (FW_VENDORID_INTEL | FW_DEVICE_82372FB)) {
device_set_desc(dev, "Intel 82372FB");
return 0;
}
if (id == (FW_VENDORID_ADAPTEC | FW_DEVICE_AIC5800)) {
device_set_desc(dev, "Adaptec AHA-894x/AIC-5800");
return 0;
}
#endif
if (pci_get_class(dev) == PCIC_SERIALBUS
&& pci_get_subclass(dev) == PCIS_SERIALBUS_FW
&& pci_get_progif(dev) == PCI_INTERFACE_OHCI) {
if (bootverbose)
device_printf(dev, "vendor=%x, dev=%x\n",
pci_get_vendor(dev), pci_get_device(dev));
device_set_desc(dev, "1394 Open Host Controller Interface");
return 0;
}
return ENXIO;
}
#if defined(__DragonFly__) || __FreeBSD_version < 500000
static void
fwohci_dummy_intr(void *arg)
{
/* XXX do nothing */
}
#endif
static int
fwohci_pci_init(device_t self)
{
int olatency, latency, ocache_line, cache_line;
uint16_t cmd;
cmd = pci_read_config(self, PCIR_COMMAND, 2);
cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN |
PCIM_CMD_SERRESPEN | PCIM_CMD_PERRESPEN;
#if 1
cmd &= ~PCIM_CMD_MWRICEN;
#endif
pci_write_config(self, PCIR_COMMAND, cmd, 2);
latency = olatency = pci_read_config(self, PCIR_LATTIMER, 1);
#define DEF_LATENCY 0x20
if (olatency < DEF_LATENCY) {
latency = DEF_LATENCY;
pci_write_config(self, PCIR_LATTIMER, latency, 1);
}
cache_line = ocache_line = pci_read_config(self, PCIR_CACHELNSZ, 1);
#define DEF_CACHE_LINE 8
if (ocache_line < DEF_CACHE_LINE) {
cache_line = DEF_CACHE_LINE;
pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1);
}
if (firewire_debug) {
device_printf(self, "latency timer %d -> %d.\n",
olatency, latency);
device_printf(self, "cache size %d -> %d.\n",
ocache_line, cache_line);
}
return 0;
}
static int
fwohci_pci_attach(device_t self)
{
fwohci_softc_t *sc = device_get_softc(self);
int err;
int rid;
#if defined(__DragonFly__) || __FreeBSD_version < 500000
int intr;
/* For the moment, put in a message stating what is wrong */
intr = pci_read_config(self, PCIR_INTLINE, 1);
if (intr == 0 || intr == 255) {
device_printf(self, "Invalid irq %d\n", intr);
#ifdef __i386__
device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n");
#endif
}
#endif
#if 0
if (bootverbose)
firewire_debug = bootverbose;
#endif
fwohci_pci_init(self);
rid = PCI_CBMEM;
#if __FreeBSD_version >= 502109
sc->bsr = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
#else
sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
0, ~0, 1, RF_ACTIVE);
#endif
if (!sc->bsr) {
device_printf(self, "Could not map memory\n");
return ENXIO;
}
sc->bst = rman_get_bustag(sc->bsr);
sc->bsh = rman_get_bushandle(sc->bsr);
rid = 0;
#if __FreeBSD_version >= 502109
sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE);
#else
sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
#endif
if (sc->irq_res == NULL) {
device_printf(self, "Could not allocate irq\n");
fwohci_pci_detach(self);
return ENXIO;
}
err = bus_setup_intr(self, sc->irq_res,
#if FWOHCI_TASKQUEUE
INTR_TYPE_NET | INTR_MPSAFE,
#else
INTR_TYPE_NET,
#endif
(driver_intr_t *) fwohci_intr, sc, &sc->ih);
#if defined(__DragonFly__) || __FreeBSD_version < 500000
/* XXX splcam() should mask this irq for sbp.c*/
err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM,
(driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam);
/* XXX splbio() should mask this irq for physio()/fwmem_strategy() */
err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
(driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_bio);
#endif
if (err) {
device_printf(self, "Could not setup irq, %d\n", err);
fwohci_pci_detach(self);
return ENXIO;
}
err = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
/*boundary*/0,
#if BOUNCE_BUFFER_TEST
/*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
#else
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
#endif
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/0x100000,
/*nsegments*/0x20,
/*maxsegsz*/0x8000,
/*flags*/BUS_DMA_ALLOCNOW,
#if defined(__FreeBSD__) && __FreeBSD_version >= 501102
/*lockfunc*/busdma_lock_mutex,
/*lockarg*/&Giant,
#endif
&sc->fc.dmat);
if (err != 0) {
printf("fwohci_pci_attach: Could not allocate DMA tag "
"- error %d\n", err);
return (ENOMEM);
}
err = fwohci_init(sc, self);
if (err) {
device_printf(self, "fwohci_init failed with err=%d\n", err);
fwohci_pci_detach(self);
return EIO;
}
/* probe and attach a child device(firewire) */
bus_generic_probe(self);
bus_generic_attach(self);
return 0;
}
static int
fwohci_pci_detach(device_t self)
{
fwohci_softc_t *sc = device_get_softc(self);
int s;
s = splfw();
if (sc->bsr)
fwohci_stop(sc, self);
bus_generic_detach(self);
if (sc->fc.bdev) {
device_delete_child(self, sc->fc.bdev);
sc->fc.bdev = NULL;
}
/* disable interrupts that might have been switched on */
if (sc->bst && sc->bsh)
bus_space_write_4(sc->bst, sc->bsh,
FWOHCI_INTMASKCLR, OHCI_INT_EN);
if (sc->irq_res) {
int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
if (err)
/* XXX or should we panic? */
device_printf(self, "Could not tear down irq, %d\n",
err);
#if defined(__DragonFly__) || __FreeBSD_version < 500000
bus_teardown_intr(self, sc->irq_res, sc->ih_cam);
bus_teardown_intr(self, sc->irq_res, sc->ih_bio);
#endif
sc->ih = NULL;
}
if (sc->irq_res) {
bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
sc->irq_res = NULL;
}
if (sc->bsr) {
bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr);
sc->bsr = NULL;
sc->bst = 0;
sc->bsh = 0;
}
fwohci_detach(sc, self);
splx(s);
return 0;
}
static int
fwohci_pci_suspend(device_t dev)
{
fwohci_softc_t *sc = device_get_softc(dev);
int err;
device_printf(dev, "fwohci_pci_suspend\n");
err = bus_generic_suspend(dev);
if (err)
return err;
fwohci_stop(sc, dev);
return 0;
}
static int
fwohci_pci_resume(device_t dev)
{
fwohci_softc_t *sc = device_get_softc(dev);
fwohci_pci_init(dev);
fwohci_resume(sc, dev);
return 0;
}
static int
fwohci_pci_shutdown(device_t dev)
{
fwohci_softc_t *sc = device_get_softc(dev);
bus_generic_shutdown(dev);
fwohci_stop(sc, dev);
return 0;
}
static device_t
fwohci_pci_add_child(device_t dev, int order, const char *name, int unit)
{
struct fwohci_softc *sc;
device_t child;
int s, err = 0;
sc = (struct fwohci_softc *)device_get_softc(dev);
child = device_add_child(dev, name, unit);
if (child == NULL)
return (child);
sc->fc.bdev = child;
device_set_ivars(child, (void *)&sc->fc);
err = device_probe_and_attach(child);
if (err) {
device_printf(dev, "probe_and_attach failed with err=%d\n",
err);
fwohci_pci_detach(dev);
device_delete_child(dev, child);
return NULL;
}
/* XXX
* Clear the bus reset event flag to start transactions even when
* interrupt is disabled during the boot process.
*/
DELAY(250); /* 2 cycles */
s = splfw();
fwohci_poll((void *)sc, 0, -1);
splx(s);
return (child);
}
static device_method_t fwohci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, fwohci_pci_probe),
DEVMETHOD(device_attach, fwohci_pci_attach),
DEVMETHOD(device_detach, fwohci_pci_detach),
DEVMETHOD(device_suspend, fwohci_pci_suspend),
DEVMETHOD(device_resume, fwohci_pci_resume),
DEVMETHOD(device_shutdown, fwohci_pci_shutdown),
/* Bus interface */
DEVMETHOD(bus_add_child, fwohci_pci_add_child),
DEVMETHOD(bus_print_child, bus_generic_print_child),
{ 0, 0 }
};
static driver_t fwohci_driver = {
"fwohci",
fwohci_methods,
sizeof(fwohci_softc_t),
};
static devclass_t fwohci_devclass;
#ifdef FWOHCI_MODULE
MODULE_DEPEND(fwohci, firewire, 1, 1, 1);
#endif
DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0);
DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0);