diff options
Diffstat (limited to 'sys/dev/firewire/fwohci_pci.c')
| -rw-r--r-- | sys/dev/firewire/fwohci_pci.c | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/sys/dev/firewire/fwohci_pci.c b/sys/dev/firewire/fwohci_pci.c new file mode 100644 index 0000000..9898aba --- /dev/null +++ b/sys/dev/firewire/fwohci_pci.c @@ -0,0 +1,438 @@ +/* + * 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. + * + * $FreeBSD$ + */ + +#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> +#include <machine/resource.h> + +#include <pci/pcivar.h> +#include <pci/pcireg.h> + +#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> + +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 + u_int32_t id; + + id = pci_get_devid(dev); + 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_UPD72874)) { + device_set_desc(dev, "NEC uPD72874"); + 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_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_CX3022)) { + device_set_desc(dev, "Sony CX3022"); + return 0; + } + if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) { + device_set_desc(dev, "VIA 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; + } +#endif + if (pci_get_class(dev) == PCIC_SERIALBUS + && pci_get_subclass(dev) == PCIS_SERIALBUS_FW + && pci_get_progif(dev) == PCI_INTERFACE_OHCI) { + 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 __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; + u_int16_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, s; +#if __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 (bootverbose) + firewire_debug = bootverbose; + + fwohci_pci_init(self); + + rid = PCI_CBMEM; + sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, + 0, ~0, 1, RF_ACTIVE); + 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; + sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, + RF_SHAREABLE | RF_ACTIVE); + if (sc->irq_res == NULL) { + device_printf(self, "Could not allocate irq\n"); + fwohci_pci_detach(self); + return ENXIO; + } + + sc->fc.bdev = device_add_child(self, "firewire", -1); + if (!sc->fc.bdev) { + device_printf(self, "Could not add firewire device\n"); + fwohci_pci_detach(self); + return ENOMEM; + } + device_set_ivars(sc->fc.bdev, sc); + + 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 __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); +#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, + &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) + err = device_probe_and_attach(sc->fc.bdev); + + if (err) { + device_printf(self, "FireWire init failed\n"); + fwohci_pci_detach(self); + return EIO; + } + + /* XXX + * Clear the bus reset event flag to start transactions even when + * interrupt is disabled during the boot process. + */ + s = splfw(); + fwohci_intr((void *)sc); + splx(s); + + return 0; +} + +static int +fwohci_pci_detach(device_t self) +{ + fwohci_softc_t *sc = device_get_softc(self); + int s; + + + s = splfw(); + + fwohci_stop(sc, self); + bus_generic_detach(self); + + /* 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 __FreeBSD_version < 500000 + err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam); +#endif + sc->ih = NULL; + } + + if (sc->fc.bdev) { + device_delete_child(self, sc->fc.bdev); + sc->fc.bdev = 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) +{ + int err; + + device_printf(dev, "fwohci_pci_suspend\n"); + err = bus_generic_suspend(dev); + if (err) + return err; + /* fwohci_stop(dev); */ + return 0; +} + +static int +fwohci_pci_resume(device_t dev) +{ + fwohci_softc_t *sc = device_get_softc(dev); + + device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n", + pci_get_powerstate(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_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_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; + +DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0); +DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0); |
