diff options
Diffstat (limited to 'sys/dev/usb/controller/ohci_pci.c')
| -rw-r--r-- | sys/dev/usb/controller/ohci_pci.c | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/ohci_pci.c b/sys/dev/usb/controller/ohci_pci.c new file mode 100644 index 0000000..49591af --- /dev/null +++ b/sys/dev/usb/controller/ohci_pci.c @@ -0,0 +1,387 @@ +/*- + * Copyright (c) 1998 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Lennart Augustsson (augustss@carlstedt.se) at + * Carlstedt Research & Technology. + * + * 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 following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 FOUNDATION OR CONTRIBUTORS + * 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * USB Open Host Controller driver. + * + * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf + */ + +/* The low level controller code for OHCI has been split into + * PCI probes and OHCI specific code. This was done to facilitate the + * sharing of code between *BSD's + */ + +#include <dev/usb/usb.h> +#include <dev/usb/usb_mfunc.h> +#include <dev/usb/usb_error.h> +#include <dev/usb/usb_defs.h> + +#include <dev/usb/usb_core.h> +#include <dev/usb/usb_busdma.h> +#include <dev/usb/usb_process.h> +#include <dev/usb/usb_sw_transfer.h> +#include <dev/usb/usb_util.h> + +#include <dev/usb/usb_controller.h> +#include <dev/usb/usb_bus.h> +#include <dev/usb/usb_pci.h> +#include <dev/usb/controller/ohci.h> + +#define PCI_OHCI_VENDORID_ACERLABS 0x10b9 +#define PCI_OHCI_VENDORID_AMD 0x1022 +#define PCI_OHCI_VENDORID_APPLE 0x106b +#define PCI_OHCI_VENDORID_ATI 0x1002 +#define PCI_OHCI_VENDORID_CMDTECH 0x1095 +#define PCI_OHCI_VENDORID_NEC 0x1033 +#define PCI_OHCI_VENDORID_NVIDIA 0x12D2 +#define PCI_OHCI_VENDORID_NVIDIA2 0x10DE +#define PCI_OHCI_VENDORID_OPTI 0x1045 +#define PCI_OHCI_VENDORID_SIS 0x1039 +#define PCI_OHCI_VENDORID_SUN 0x108e + +#define PCI_OHCI_BASE_REG 0x10 + +static device_probe_t ohci_pci_probe; +static device_attach_t ohci_pci_attach; +static device_detach_t ohci_pci_detach; +static device_suspend_t ohci_pci_suspend; +static device_resume_t ohci_pci_resume; + +static int +ohci_pci_suspend(device_t self) +{ + ohci_softc_t *sc = device_get_softc(self); + int err; + + err = bus_generic_suspend(self); + if (err) { + return (err); + } + ohci_suspend(sc); + return (0); +} + +static int +ohci_pci_resume(device_t self) +{ + ohci_softc_t *sc = device_get_softc(self); + uint32_t reg, int_line; + + if (pci_get_powerstate(self) != PCI_POWERSTATE_D0) { + device_printf(self, "chip is in D%d mode " + "-- setting to D0\n", pci_get_powerstate(self)); + reg = pci_read_config(self, PCI_CBMEM, 4); + int_line = pci_read_config(self, PCIR_INTLINE, 4); + pci_set_powerstate(self, PCI_POWERSTATE_D0); + pci_write_config(self, PCI_CBMEM, reg, 4); + pci_write_config(self, PCIR_INTLINE, int_line, 4); + } + ohci_resume(sc); + + bus_generic_resume(self); + return (0); +} + +static const char * +ohci_pci_match(device_t self) +{ + uint32_t device_id = pci_get_devid(self); + + switch (device_id) { + case 0x523710b9: + return ("AcerLabs M5237 (Aladdin-V) USB controller"); + + case 0x740c1022: + return ("AMD-756 USB Controller"); + + case 0x74141022: + return ("AMD-766 USB Controller"); + + case 0x43741002: + return "ATI SB400 USB Controller"; + case 0x43751002: + return "ATI SB400 USB Controller"; + + case 0x06701095: + return ("CMD Tech 670 (USB0670) USB controller"); + + case 0x06731095: + return ("CMD Tech 673 (USB0673) USB controller"); + + case 0xc8611045: + return ("OPTi 82C861 (FireLink) USB controller"); + + case 0x00351033: + return ("NEC uPD 9210 USB controller"); + + case 0x00d710de: + return ("nVidia nForce3 USB Controller"); + + case 0x70011039: + return ("SiS 5571 USB controller"); + + case 0x1103108e: + return "Sun PCIO-2 USB controller"; + + case 0x0019106b: + return ("Apple KeyLargo USB controller"); + + default: + break; + } + if ((pci_get_class(self) == PCIC_SERIALBUS) && + (pci_get_subclass(self) == PCIS_SERIALBUS_USB) && + (pci_get_progif(self) == PCI_INTERFACE_OHCI)) { + return ("OHCI (generic) USB controller"); + } + return (NULL); +} + +static int +ohci_pci_probe(device_t self) +{ + const char *desc = ohci_pci_match(self); + + if (desc) { + device_set_desc(self, desc); + return (0); + } else { + return (ENXIO); + } +} + +static int +ohci_pci_attach(device_t self) +{ + ohci_softc_t *sc = device_get_softc(self); + int rid; + int err; + + /* initialise some bus fields */ + sc->sc_bus.parent = self; + sc->sc_bus.devices = sc->sc_devices; + sc->sc_bus.devices_max = OHCI_MAX_DEVICES; + + /* get all DMA memory */ + if (usb2_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self), + &ohci_iterate_hw_softc)) { + return (ENOMEM); + } + sc->sc_dev = self; + + pci_enable_busmaster(self); + + /* + * Some Sun PCIO-2 USB controllers have their intpin register + * bogusly set to 0, although it should be 4. Correct that. + */ + if (pci_get_devid(self) == 0x1103108e && pci_get_intpin(self) == 0) + pci_set_intpin(self, 4); + + rid = PCI_CBMEM; + sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (!sc->sc_io_res) { + device_printf(self, "Could not map memory\n"); + goto error; + } + sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); + sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); + sc->sc_io_size = rman_get_size(sc->sc_io_res); + + rid = 0; + sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, + RF_SHAREABLE | RF_ACTIVE); + if (sc->sc_irq_res == NULL) { + device_printf(self, "Could not allocate irq\n"); + goto error; + } + sc->sc_bus.bdev = device_add_child(self, "usbus", -1); + if (!sc->sc_bus.bdev) { + device_printf(self, "Could not add USB device\n"); + goto error; + } + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + + /* + * ohci_pci_match will never return NULL if ohci_pci_probe + * succeeded + */ + device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self)); + switch (pci_get_vendor(self)) { + case PCI_OHCI_VENDORID_ACERLABS: + sprintf(sc->sc_vendor, "AcerLabs"); + break; + case PCI_OHCI_VENDORID_AMD: + sprintf(sc->sc_vendor, "AMD"); + break; + case PCI_OHCI_VENDORID_APPLE: + sprintf(sc->sc_vendor, "Apple"); + break; + case PCI_OHCI_VENDORID_ATI: + sprintf(sc->sc_vendor, "ATI"); + break; + case PCI_OHCI_VENDORID_CMDTECH: + sprintf(sc->sc_vendor, "CMDTECH"); + break; + case PCI_OHCI_VENDORID_NEC: + sprintf(sc->sc_vendor, "NEC"); + break; + case PCI_OHCI_VENDORID_NVIDIA: + case PCI_OHCI_VENDORID_NVIDIA2: + sprintf(sc->sc_vendor, "nVidia"); + break; + case PCI_OHCI_VENDORID_OPTI: + sprintf(sc->sc_vendor, "OPTi"); + break; + case PCI_OHCI_VENDORID_SIS: + sprintf(sc->sc_vendor, "SiS"); + break; + case PCI_OHCI_VENDORID_SUN: + sprintf(sc->sc_vendor, "SUN"); + break; + default: + if (bootverbose) { + device_printf(self, "(New OHCI DeviceId=0x%08x)\n", + pci_get_devid(self)); + } + sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self)); + } + + /* sc->sc_bus.usbrev; set by ohci_init() */ + +#if (__FreeBSD_version >= 700031) + err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + NULL, (void *)(void *)ohci_interrupt, sc, &sc->sc_intr_hdl); +#else + err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + (void *)(void *)ohci_interrupt, sc, &sc->sc_intr_hdl); +#endif + if (err) { + device_printf(self, "Could not setup irq, %d\n", err); + sc->sc_intr_hdl = NULL; + goto error; + } + err = ohci_init(sc); + if (!err) { + err = device_probe_and_attach(sc->sc_bus.bdev); + } + if (err) { + device_printf(self, "USB init failed\n"); + goto error; + } + return (0); + +error: + ohci_pci_detach(self); + return (ENXIO); +} + +static int +ohci_pci_detach(device_t self) +{ + ohci_softc_t *sc = device_get_softc(self); + device_t bdev; + + if (sc->sc_bus.bdev) { + bdev = sc->sc_bus.bdev; + device_detach(bdev); + device_delete_child(self, bdev); + } + /* during module unload there are lots of children leftover */ + device_delete_all_children(self); + + pci_disable_busmaster(self); + + if (sc->sc_irq_res && sc->sc_intr_hdl) { + /* + * only call ohci_detach() after ohci_init() + */ + ohci_detach(sc); + + int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); + + if (err) { + /* XXX or should we panic? */ + device_printf(self, "Could not tear down irq, %d\n", + err); + } + sc->sc_intr_hdl = NULL; + } + if (sc->sc_irq_res) { + bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res); + sc->sc_irq_res = NULL; + } + if (sc->sc_io_res) { + bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, + sc->sc_io_res); + sc->sc_io_res = NULL; + } + usb2_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc); + + return (0); +} + +static driver_t ohci_driver = +{ + .name = "ohci", + .methods = (device_method_t[]){ + /* device interface */ + DEVMETHOD(device_probe, ohci_pci_probe), + DEVMETHOD(device_attach, ohci_pci_attach), + DEVMETHOD(device_detach, ohci_pci_detach), + DEVMETHOD(device_suspend, ohci_pci_suspend), + DEVMETHOD(device_resume, ohci_pci_resume), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + + /* bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + + {0, 0} + }, + .size = sizeof(struct ohci_softc), +}; + +static devclass_t ohci_devclass; + +DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0); +DRIVER_MODULE(ohci, cardbus, ohci_driver, ohci_devclass, 0, 0); +MODULE_DEPEND(ohci, usb, 1, 1, 1); |
