diff options
Diffstat (limited to 'sys/legacy/dev/usb/uhci_pci.c')
| -rw-r--r-- | sys/legacy/dev/usb/uhci_pci.c | 524 |
1 files changed, 524 insertions, 0 deletions
diff --git a/sys/legacy/dev/usb/uhci_pci.c b/sys/legacy/dev/usb/uhci_pci.c new file mode 100644 index 0000000..4ee19d6 --- /dev/null +++ b/sys/legacy/dev/usb/uhci_pci.c @@ -0,0 +1,524 @@ +/*- + * 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("$FreeBSD$"); + +/* Universal Host Controller Interface + * + * UHCI spec: http://www.intel.com/ + */ + +/* The low level controller code for UHCI has been split into + * PCI probes and UHCI specific code. This was done to facilitate the + * sharing of code between *BSD's + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/lock.h> +#include <sys/mutex.h> +#include <sys/bus.h> +#include <sys/queue.h> +#include <sys/bus.h> + +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbdi.h> +#include <dev/usb/usbdivar.h> +#include <dev/usb/usb_mem.h> + +#include <dev/usb/uhcireg.h> +#include <dev/usb/uhcivar.h> + +#define PCI_UHCI_VENDORID_INTEL 0x8086 +#define PCI_UHCI_VENDORID_VIA 0x1106 + +#define PCI_UHCI_DEVICEID_PIIX3 0x70208086 +static const char *uhci_device_piix3 = "Intel 82371SB (PIIX3) USB controller"; + +#define PCI_UHCI_DEVICEID_PIIX4 0x71128086 +#define PCI_UHCI_DEVICEID_PIIX4E 0x71128086 /* no separate stepping */ +static const char *uhci_device_piix4 = "Intel 82371AB/EB (PIIX4) USB controller"; + +#define PCI_UHCI_DEVICEID_ICH 0x24128086 +static const char *uhci_device_ich = "Intel 82801AA (ICH) USB controller"; + +#define PCI_UHCI_DEVICEID_ICH0 0x24228086 +static const char *uhci_device_ich0 = "Intel 82801AB (ICH0) USB controller"; + +#define PCI_UHCI_DEVICEID_ICH2_A 0x24428086 +static const char *uhci_device_ich2_a = "Intel 82801BA/BAM (ICH2) USB controller USB-A"; + +#define PCI_UHCI_DEVICEID_ICH2_B 0x24448086 +static const char *uhci_device_ich2_b = "Intel 82801BA/BAM (ICH2) USB controller USB-B"; + +#define PCI_UHCI_DEVICEID_ICH3_A 0x24828086 +static const char *uhci_device_ich3_a = "Intel 82801CA/CAM (ICH3) USB controller USB-A"; + +#define PCI_UHCI_DEVICEID_ICH3_B 0x24848086 +static const char *uhci_device_ich3_b = "Intel 82801CA/CAM (ICH3) USB controller USB-B"; + +#define PCI_UHCI_DEVICEID_ICH3_C 0x24878086 +static const char *uhci_device_ich3_c = "Intel 82801CA/CAM (ICH3) USB controller USB-C"; + +#define PCI_UHCI_DEVICEID_ICH4_A 0x24c28086 +static const char *uhci_device_ich4_a = "Intel 82801DB (ICH4) USB controller USB-A"; + +#define PCI_UHCI_DEVICEID_ICH4_B 0x24c48086 +static const char *uhci_device_ich4_b = "Intel 82801DB (ICH4) USB controller USB-B"; + +#define PCI_UHCI_DEVICEID_ICH4_C 0x24c78086 +static const char *uhci_device_ich4_c = "Intel 82801DB (ICH4) USB controller USB-C"; + +#define PCI_UHCI_DEVICEID_ICH5_A 0x24d28086 +static const char *uhci_device_ich5_a = "Intel 82801EB (ICH5) USB controller USB-A"; + +#define PCI_UHCI_DEVICEID_ICH5_B 0x24d48086 +static const char *uhci_device_ich5_b = "Intel 82801EB (ICH5) USB controller USB-B"; + +#define PCI_UHCI_DEVICEID_ICH5_C 0x24d78086 +static const char *uhci_device_ich5_c = "Intel 82801EB (ICH5) USB controller USB-C"; + +#define PCI_UHCI_DEVICEID_ICH5_D 0x24de8086 +static const char *uhci_device_ich5_d = "Intel 82801EB (ICH5) USB controller USB-D"; + +#define PCI_UHCI_DEVICEID_ICH6_A 0x26588086 +static const char *uhci_device_ich6_a = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A"; + +#define PCI_UHCI_DEVICEID_ICH6_B 0x26598086 +static const char *uhci_device_ich6_b = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B"; + +#define PCI_UHCI_DEVICEID_ICH6_C 0x265a8086 +static const char *uhci_device_ich6_c = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C"; + +#define PCI_UHCI_DEVICEID_ICH6_D 0x265b8086 +static const char *uhci_device_ich6_d = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D"; + +#define PCI_UHCI_DEVICEID_63XXESB_1 0x26888086 +static const char *uhci_device_esb_1 = "Intel 631XESB/632XESB/3100 USB controller USB-1"; + +#define PCI_UHCI_DEVICEID_63XXESB_2 0x26898086 +static const char *uhci_device_esb_2 = "Intel 631XESB/632XESB/3100 USB controller USB-2"; + +#define PCI_UHCI_DEVICEID_63XXESB_3 0x268a8086 +static const char *uhci_device_esb_3 = "Intel 631XESB/632XESB/3100 USB controller USB-3"; + +#define PCI_UHCI_DEVICEID_63XXESB_4 0x268b8086 +static const char *uhci_device_esb_4 = "Intel 631XESB/632XESB/3100 USB controller USB-4"; + +#define PCI_UHCI_DEVICEID_ICH8_A 0x28308086 +static const char *uhci_device_ich8_a = "Intel 82801H (ICH8) USB controller USB-A"; + +#define PCI_UHCI_DEVICEID_ICH8_B 0x28318086 +static const char *uhci_device_ich8_b = "Intel 82801H (ICH8) USB controller USB-B"; + +#define PCI_UHCI_DEVICEID_ICH8_C 0x28328086 +static const char *uhci_device_ich8_c = "Intel 82801H (ICH8) USB controller USB-C"; + +#define PCI_UHCI_DEVICEID_ICH8_D 0x28348086 +static const char *uhci_device_ich8_d = "Intel 82801H (ICH8) USB controller USB-D"; + +#define PCI_UHCI_DEVICEID_ICH8_E 0x28358086 +static const char *uhci_device_ich8_e = "Intel 82801H (ICH8) USB controller USB-E"; + +#define PCI_UHCI_DEVICEID_ICH9_A 0x29348086 +#define PCI_UHCI_DEVICEID_ICH9_B 0x29358086 +#define PCI_UHCI_DEVICEID_ICH9_C 0x29368086 +#define PCI_UHCI_DEVICEID_ICH9_D 0x29378086 +#define PCI_UHCI_DEVICEID_ICH9_E 0x29388086 +#define PCI_UHCI_DEVICEID_ICH9_F 0x29398086 +static const char *uhci_device_ich9 = "Intel 82801I (ICH9) USB controller"; + +#define PCI_UHCI_DEVICEID_440MX 0x719a8086 +static const char *uhci_device_440mx = "Intel 82443MX USB controller"; + +#define PCI_UHCI_DEVICEID_460GX 0x76028086 +static const char *uhci_device_460gx = "Intel 82372FB/82468GX USB controller"; + +#define PCI_UHCI_DEVICEID_VT83C572 0x30381106 +static const char *uhci_device_vt83c572 = "VIA 83C572 USB controller"; + +static const char *uhci_device_generic = "UHCI (generic) USB controller"; + +#define PCI_UHCI_BASE_REG 0x20 + + +static device_attach_t uhci_pci_attach; +static device_detach_t uhci_pci_detach; +static device_suspend_t uhci_pci_suspend; +static device_resume_t uhci_pci_resume; + +static int +uhci_pci_suspend(device_t self) +{ + uhci_softc_t *sc = device_get_softc(self); + int err; + + err = bus_generic_suspend(self); + if (err) + return err; + uhci_power(PWR_SUSPEND, sc); + + return 0; +} + +static int +uhci_pci_resume(device_t self) +{ + uhci_softc_t *sc = device_get_softc(self); + + pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2); + + uhci_power(PWR_RESUME, sc); + bus_generic_resume(self); + + return 0; +} + +static const char * +uhci_pci_match(device_t self) +{ + u_int32_t device_id = pci_get_devid(self); + + if (device_id == PCI_UHCI_DEVICEID_PIIX3) { + return (uhci_device_piix3); + } else if (device_id == PCI_UHCI_DEVICEID_PIIX4) { + return (uhci_device_piix4); + } else if (device_id == PCI_UHCI_DEVICEID_ICH) { + return (uhci_device_ich); + } else if (device_id == PCI_UHCI_DEVICEID_ICH0) { + return (uhci_device_ich0); + } else if (device_id == PCI_UHCI_DEVICEID_ICH2_A) { + return (uhci_device_ich2_a); + } else if (device_id == PCI_UHCI_DEVICEID_ICH2_B) { + return (uhci_device_ich2_b); + } else if (device_id == PCI_UHCI_DEVICEID_ICH3_A) { + return (uhci_device_ich3_a); + } else if (device_id == PCI_UHCI_DEVICEID_ICH3_B) { + return (uhci_device_ich3_b); + } else if (device_id == PCI_UHCI_DEVICEID_ICH3_C) { + return (uhci_device_ich3_c); + } else if (device_id == PCI_UHCI_DEVICEID_ICH4_A) { + return (uhci_device_ich4_a); + } else if (device_id == PCI_UHCI_DEVICEID_ICH4_B) { + return (uhci_device_ich4_b); + } else if (device_id == PCI_UHCI_DEVICEID_ICH4_C) { + return (uhci_device_ich4_c); + } else if (device_id == PCI_UHCI_DEVICEID_ICH5_A) { + return (uhci_device_ich5_a); + } else if (device_id == PCI_UHCI_DEVICEID_ICH5_B) { + return (uhci_device_ich5_b); + } else if (device_id == PCI_UHCI_DEVICEID_ICH5_C) { + return (uhci_device_ich5_c); + } else if (device_id == PCI_UHCI_DEVICEID_ICH5_D) { + return (uhci_device_ich5_d); + } else if (device_id == PCI_UHCI_DEVICEID_ICH6_A) { + return (uhci_device_ich6_a); + } else if (device_id == PCI_UHCI_DEVICEID_ICH6_B) { + return (uhci_device_ich6_b); + } else if (device_id == PCI_UHCI_DEVICEID_ICH6_C) { + return (uhci_device_ich6_c); + } else if (device_id == PCI_UHCI_DEVICEID_ICH6_D) { + return (uhci_device_ich6_d); + } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_1) { + return (uhci_device_esb_1); + } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_2) { + return (uhci_device_esb_2); + } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_3) { + return (uhci_device_esb_3); + } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_4) { + return (uhci_device_esb_4); + } else if (device_id == PCI_UHCI_DEVICEID_ICH8_A) { + return (uhci_device_ich8_a); + } else if (device_id == PCI_UHCI_DEVICEID_ICH8_B) { + return (uhci_device_ich8_b); + } else if (device_id == PCI_UHCI_DEVICEID_ICH8_C) { + return (uhci_device_ich8_c); + } else if (device_id == PCI_UHCI_DEVICEID_ICH8_D) { + return (uhci_device_ich8_d); + } else if (device_id == PCI_UHCI_DEVICEID_ICH8_E) { + return (uhci_device_ich8_e); + } else if (device_id == PCI_UHCI_DEVICEID_ICH9_A) { + return (uhci_device_ich9); + } else if (device_id == PCI_UHCI_DEVICEID_ICH9_B) { + return (uhci_device_ich9); + } else if (device_id == PCI_UHCI_DEVICEID_ICH9_C) { + return (uhci_device_ich9); + } else if (device_id == PCI_UHCI_DEVICEID_ICH9_D) { + return (uhci_device_ich9); + } else if (device_id == PCI_UHCI_DEVICEID_ICH9_E) { + return (uhci_device_ich9); + } else if (device_id == PCI_UHCI_DEVICEID_ICH9_F) { + return (uhci_device_ich9); + } else if (device_id == PCI_UHCI_DEVICEID_440MX) { + return (uhci_device_440mx); + } else if (device_id == PCI_UHCI_DEVICEID_460GX) { + return (uhci_device_460gx); + } else if (device_id == PCI_UHCI_DEVICEID_VT83C572) { + return (uhci_device_vt83c572); + } else { + if (pci_get_class(self) == PCIC_SERIALBUS + && pci_get_subclass(self) == PCIS_SERIALBUS_USB + && pci_get_progif(self) == PCI_INTERFACE_UHCI) { + return (uhci_device_generic); + } + } + + return NULL; /* dunno... */ +} + +static int +uhci_pci_probe(device_t self) +{ + const char *desc = uhci_pci_match(self); + + if (desc) { + device_set_desc(self, desc); + return BUS_PROBE_DEFAULT; + } else { + return ENXIO; + } +} + +static int +uhci_pci_attach(device_t self) +{ + uhci_softc_t *sc = device_get_softc(self); + int rid; + int err; + + pci_enable_busmaster(self); + + rid = PCI_UHCI_BASE_REG; + sc->io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid, + RF_ACTIVE); + if (!sc->io_res) { + device_printf(self, "Could not map ports\n"); + return ENXIO; + } + sc->iot = rman_get_bustag(sc->io_res); + sc->ioh = rman_get_bushandle(sc->io_res); + + /* disable interrupts */ + bus_space_write_2(sc->iot, sc->ioh, UHCI_INTR, 0); + + rid = 0; + sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, + RF_SHAREABLE | RF_ACTIVE); + if (sc->irq_res == NULL) { + device_printf(self, "Could not allocate irq\n"); + uhci_pci_detach(self); + return ENXIO; + } + sc->sc_bus.bdev = device_add_child(self, "usb", -1); + if (!sc->sc_bus.bdev) { + device_printf(self, "Could not add USB device\n"); + uhci_pci_detach(self); + return ENOMEM; + } + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + + /* uhci_pci_match must never return NULL if uhci_pci_probe succeeded */ + device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self)); + switch (pci_get_vendor(self)) { + case PCI_UHCI_VENDORID_INTEL: + sprintf(sc->sc_vendor, "Intel"); + break; + case PCI_UHCI_VENDORID_VIA: + sprintf(sc->sc_vendor, "VIA"); + break; + default: + if (bootverbose) + device_printf(self, "(New UHCI DeviceId=0x%08x)\n", + pci_get_devid(self)); + sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self)); + } + + switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USBREV_MASK) { + case PCI_USBREV_PRE_1_0: + sc->sc_bus.usbrev = USBREV_PRE_1_0; + break; + case PCI_USBREV_1_0: + sc->sc_bus.usbrev = USBREV_1_0; + break; + default: + sc->sc_bus.usbrev = USBREV_UNKNOWN; + break; + } + + /* + * Quirk for Parallels Desktop 4.0. + */ + if (pci_get_devid(self) == PCI_UHCI_DEVICEID_ICH6_A) + sc->sc_bus.usbrev = USBREV_2_0; + + err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO, + NULL, (driver_intr_t *) uhci_intr, sc, &sc->ih); + if (err) { + device_printf(self, "Could not setup irq, %d\n", err); + sc->ih = NULL; + uhci_pci_detach(self); + return ENXIO; + } + /* + * Set the PIRQD enable bit and switch off all the others. We don't + * want legacy support to interfere with us XXX Does this also mean + * that the BIOS won't touch the keyboard anymore if it is connected + * to the ports of the root hub? + */ +#ifdef USB_DEBUG + if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) + device_printf(self, "LegSup = 0x%04x\n", + pci_read_config(self, PCI_LEGSUP, 2)); +#endif + pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2); + + /* Allocate a parent dma tag for DMA maps */ + err = bus_dma_tag_create(bus_get_dma_tag(self), 1, 0, + BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, + BUS_SPACE_MAXSIZE_32BIT, USB_DMA_NSEG, BUS_SPACE_MAXSIZE_32BIT, 0, + NULL, NULL, &sc->sc_bus.parent_dmatag); + if (err) { + device_printf(self, "Could not allocate parent DMA tag (%d)\n", + err); + uhci_pci_detach(self); + return ENXIO; + } + /* Allocate a dma tag for transfer buffers */ + err = bus_dma_tag_create(sc->sc_bus.parent_dmatag, 1, 0, + BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, + BUS_SPACE_MAXSIZE_32BIT, USB_DMA_NSEG, BUS_SPACE_MAXSIZE_32BIT, 0, + busdma_lock_mutex, &Giant, &sc->sc_bus.buffer_dmatag); + if (err) { + device_printf(self, "Could not allocate transfer tag (%d)\n", + err); + uhci_pci_detach(self); + return ENXIO; + } + + err = uhci_init(sc); + if (!err) { + sc->sc_flags |= UHCI_SCFLG_DONEINIT; + err = device_probe_and_attach(sc->sc_bus.bdev); + } + + if (err) { + device_printf(self, "USB init failed\n"); + uhci_pci_detach(self); + return EIO; + } + return 0; /* success */ +} + +int +uhci_pci_detach(device_t self) +{ + uhci_softc_t *sc = device_get_softc(self); + + if (sc->sc_flags & UHCI_SCFLG_DONEINIT) { + uhci_detach(sc, 0); + sc->sc_flags &= ~UHCI_SCFLG_DONEINIT; + } + + if (sc->sc_bus.parent_dmatag != NULL) + bus_dma_tag_destroy(sc->sc_bus.parent_dmatag); + if (sc->sc_bus.buffer_dmatag != NULL) + bus_dma_tag_destroy(sc->sc_bus.buffer_dmatag); + + if (sc->irq_res && sc->ih) { + 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); + sc->ih = NULL; + } + if (sc->sc_bus.bdev) { + device_delete_child(self, sc->sc_bus.bdev); + sc->sc_bus.bdev = NULL; + } + if (sc->irq_res) { + bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); + sc->irq_res = NULL; + } + if (sc->io_res) { + bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG, + sc->io_res); + sc->io_res = NULL; + sc->iot = 0; + sc->ioh = 0; + } + return 0; +} + + +static device_method_t uhci_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, uhci_pci_probe), + DEVMETHOD(device_attach, uhci_pci_attach), + DEVMETHOD(device_detach, uhci_pci_detach), + DEVMETHOD(device_suspend, uhci_pci_suspend), + DEVMETHOD(device_resume, uhci_pci_resume), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + + /* Bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + + {0, 0} +}; + +static driver_t uhci_driver = { + "uhci", + uhci_methods, + sizeof(uhci_softc_t), +}; + +static devclass_t uhci_devclass; + +DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0); +DRIVER_MODULE(uhci, cardbus, uhci_driver, uhci_devclass, 0, 0); +MODULE_DEPEND(uhci, usb, 1, 1, 1); |
