467 lines
12 KiB
C
467 lines
12 KiB
C
/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (augustss@carlstedt.se) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/* Universal Host Controller Interface
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*
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* UHCI spec: http://www.intel.com/
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*/
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/* The low level controller code for UHCI has been split into
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* PCI probes and UHCI specific code. This was done to facilitate the
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* sharing of code between *BSD's
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/usb_pci.h>
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#include <dev/usb/controller/uhci.h>
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#include <dev/usb/controller/uhcireg.h>
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#include "usb_if.h"
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#define PCI_UHCI_VENDORID_INTEL 0x8086
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#define PCI_UHCI_VENDORID_HP 0x103c
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#define PCI_UHCI_VENDORID_VIA 0x1106
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/* PIIX4E has no separate stepping */
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static device_probe_t uhci_pci_probe;
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static device_attach_t uhci_pci_attach;
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static device_detach_t uhci_pci_detach;
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static usb_take_controller_t uhci_pci_take_controller;
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static int
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uhci_pci_take_controller(device_t self)
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{
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pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
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return (0);
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}
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static const char *
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uhci_pci_match(device_t self)
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{
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uint32_t device_id = pci_get_devid(self);
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switch (device_id) {
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case 0x26888086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-1");
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case 0x26898086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-2");
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case 0x268a8086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-3");
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case 0x268b8086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-4");
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case 0x70208086:
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return ("Intel 82371SB (PIIX3) USB controller");
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case 0x71128086:
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return ("Intel 82371AB/EB (PIIX4) USB controller");
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case 0x24128086:
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return ("Intel 82801AA (ICH) USB controller");
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case 0x24228086:
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return ("Intel 82801AB (ICH0) USB controller");
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case 0x24428086:
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return ("Intel 82801BA/BAM (ICH2) USB controller USB-A");
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case 0x24448086:
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return ("Intel 82801BA/BAM (ICH2) USB controller USB-B");
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case 0x24828086:
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return ("Intel 82801CA/CAM (ICH3) USB controller USB-A");
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case 0x24848086:
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return ("Intel 82801CA/CAM (ICH3) USB controller USB-B");
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case 0x24878086:
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return ("Intel 82801CA/CAM (ICH3) USB controller USB-C");
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case 0x24c28086:
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return ("Intel 82801DB (ICH4) USB controller USB-A");
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case 0x24c48086:
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return ("Intel 82801DB (ICH4) USB controller USB-B");
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case 0x24c78086:
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return ("Intel 82801DB (ICH4) USB controller USB-C");
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case 0x24d28086:
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return ("Intel 82801EB (ICH5) USB controller USB-A");
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case 0x24d48086:
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return ("Intel 82801EB (ICH5) USB controller USB-B");
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case 0x24d78086:
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return ("Intel 82801EB (ICH5) USB controller USB-C");
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case 0x24de8086:
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return ("Intel 82801EB (ICH5) USB controller USB-D");
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case 0x25a98086:
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return ("Intel 6300ESB USB controller USB-A");
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case 0x25aa8086:
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return ("Intel 6300ESB USB controller USB-B");
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case 0x26588086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A");
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case 0x26598086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B");
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case 0x265a8086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C");
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case 0x265b8086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D");
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case 0x27c88086:
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return ("Intel 82801G (ICH7) USB controller USB-A");
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case 0x27c98086:
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return ("Intel 82801G (ICH7) USB controller USB-B");
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case 0x27ca8086:
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return ("Intel 82801G (ICH7) USB controller USB-C");
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case 0x27cb8086:
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return ("Intel 82801G (ICH7) USB controller USB-D");
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case 0x28308086:
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return ("Intel 82801H (ICH8) USB controller USB-A");
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case 0x28318086:
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return ("Intel 82801H (ICH8) USB controller USB-B");
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case 0x28328086:
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return ("Intel 82801H (ICH8) USB controller USB-C");
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case 0x28348086:
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return ("Intel 82801H (ICH8) USB controller USB-D");
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case 0x28358086:
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return ("Intel 82801H (ICH8) USB controller USB-E");
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case 0x29348086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29358086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29368086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29378086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29388086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29398086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x3a348086:
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return ("Intel 82801JI (ICH10) USB controller USB-A");
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case 0x3a358086:
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return ("Intel 82801JI (ICH10) USB controller USB-B");
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case 0x3a368086:
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return ("Intel 82801JI (ICH10) USB controller USB-C");
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case 0x3a378086:
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return ("Intel 82801JI (ICH10) USB controller USB-D");
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case 0x3a388086:
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return ("Intel 82801JI (ICH10) USB controller USB-E");
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case 0x3a398086:
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return ("Intel 82801JI (ICH10) USB controller USB-F");
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case 0x719a8086:
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return ("Intel 82443MX USB controller");
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case 0x76028086:
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return ("Intel 82372FB/82468GX USB controller");
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case 0x3300103c:
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return ("HP iLO Standard Virtual USB controller");
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case 0x30381106:
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return ("VIA 83C572 USB controller");
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default:
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break;
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}
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if ((pci_get_class(self) == PCIC_SERIALBUS) &&
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(pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
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(pci_get_progif(self) == PCI_INTERFACE_UHCI)) {
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return ("UHCI (generic) USB controller");
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}
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return (NULL);
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}
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static int
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uhci_pci_probe(device_t self)
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{
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const char *desc = uhci_pci_match(self);
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if (desc) {
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device_set_desc(self, desc);
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return (BUS_PROBE_DEFAULT);
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} else {
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return (ENXIO);
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}
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}
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static int
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uhci_pci_attach(device_t self)
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{
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uhci_softc_t *sc = device_get_softc(self);
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int rid;
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int err;
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/* initialise some bus fields */
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sc->sc_bus.parent = self;
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sc->sc_bus.devices = sc->sc_devices;
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sc->sc_bus.devices_max = UHCI_MAX_DEVICES;
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sc->sc_bus.dma_bits = 32;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
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&uhci_iterate_hw_softc)) {
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return ENOMEM;
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}
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sc->sc_dev = self;
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pci_enable_busmaster(self);
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rid = PCI_UHCI_BASE_REG;
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sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid,
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RF_ACTIVE);
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if (!sc->sc_io_res) {
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device_printf(self, "Could not map ports\n");
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goto error;
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}
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sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
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sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
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sc->sc_io_size = rman_get_size(sc->sc_io_res);
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/* disable interrupts */
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bus_space_write_2(sc->sc_io_tag, sc->sc_io_hdl, UHCI_INTR, 0);
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rid = 0;
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sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
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RF_SHAREABLE | RF_ACTIVE);
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if (sc->sc_irq_res == NULL) {
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device_printf(self, "Could not allocate irq\n");
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goto error;
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}
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sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
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if (!sc->sc_bus.bdev) {
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device_printf(self, "Could not add USB device\n");
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goto error;
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}
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device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
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/*
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* uhci_pci_match must never return NULL if uhci_pci_probe
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* succeeded
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*/
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device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
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switch (pci_get_vendor(self)) {
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case PCI_UHCI_VENDORID_INTEL:
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sprintf(sc->sc_vendor, "Intel");
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break;
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case PCI_UHCI_VENDORID_HP:
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sprintf(sc->sc_vendor, "HP");
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break;
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case PCI_UHCI_VENDORID_VIA:
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sprintf(sc->sc_vendor, "VIA");
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break;
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default:
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if (bootverbose) {
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device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
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pci_get_devid(self));
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}
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sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
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}
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switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
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case PCI_USB_REV_PRE_1_0:
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sc->sc_bus.usbrev = USB_REV_PRE_1_0;
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break;
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case PCI_USB_REV_1_0:
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sc->sc_bus.usbrev = USB_REV_1_0;
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break;
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default:
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/* Quirk for Parallels Desktop 4.0 */
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device_printf(self, "USB revision is unknown. Assuming v1.1.\n");
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sc->sc_bus.usbrev = USB_REV_1_1;
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break;
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}
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#if (__FreeBSD_version >= 700031)
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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NULL, (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
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#else
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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(driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
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#endif
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if (err) {
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device_printf(self, "Could not setup irq, %d\n", err);
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sc->sc_intr_hdl = NULL;
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goto error;
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}
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/*
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* Set the PIRQD enable bit and switch off all the others. We don't
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* want legacy support to interfere with us XXX Does this also mean
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* that the BIOS won't touch the keyboard anymore if it is connected
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* to the ports of the root hub?
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*/
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#ifdef USB_DEBUG
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if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) {
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device_printf(self, "LegSup = 0x%04x\n",
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pci_read_config(self, PCI_LEGSUP, 2));
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}
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#endif
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pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
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err = uhci_init(sc);
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if (!err) {
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err = device_probe_and_attach(sc->sc_bus.bdev);
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}
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if (err) {
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device_printf(self, "USB init failed\n");
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goto error;
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}
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return (0);
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error:
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uhci_pci_detach(self);
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return (ENXIO);
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}
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int
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uhci_pci_detach(device_t self)
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{
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uhci_softc_t *sc = device_get_softc(self);
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device_t bdev;
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if (sc->sc_bus.bdev) {
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bdev = sc->sc_bus.bdev;
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device_detach(bdev);
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device_delete_child(self, bdev);
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}
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/* during module unload there are lots of children leftover */
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device_delete_children(self);
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/*
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* disable interrupts that might have been switched on in
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* uhci_init.
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*/
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if (sc->sc_io_res) {
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USB_BUS_LOCK(&sc->sc_bus);
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/* stop the controller */
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uhci_reset(sc);
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USB_BUS_UNLOCK(&sc->sc_bus);
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}
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pci_disable_busmaster(self);
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if (sc->sc_irq_res && sc->sc_intr_hdl) {
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int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
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if (err) {
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/* XXX or should we panic? */
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device_printf(self, "Could not tear down irq, %d\n",
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err);
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}
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sc->sc_intr_hdl = NULL;
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}
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if (sc->sc_irq_res) {
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bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
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sc->sc_irq_res = NULL;
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}
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if (sc->sc_io_res) {
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bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG,
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sc->sc_io_res);
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sc->sc_io_res = NULL;
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}
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usb_bus_mem_free_all(&sc->sc_bus, &uhci_iterate_hw_softc);
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return (0);
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}
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static device_method_t uhci_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, uhci_pci_probe),
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DEVMETHOD(device_attach, uhci_pci_attach),
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DEVMETHOD(device_detach, uhci_pci_detach),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(usb_take_controller, uhci_pci_take_controller),
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DEVMETHOD_END
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};
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static driver_t uhci_driver = {
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.name = "uhci",
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.methods = uhci_pci_methods,
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.size = sizeof(struct uhci_softc),
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};
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static devclass_t uhci_devclass;
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DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0);
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MODULE_DEPEND(uhci, usb, 1, 1, 1);
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