452 lines
12 KiB
C
452 lines
12 KiB
C
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/* $FreeBSD$ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-NetBSD
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*
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* Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
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* Copyright (c) 1998 Lennart Augustsson. All rights reserved.
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* Copyright (c) 2008-2010 Hans Petter Selasky. All rights reserved.
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* Copyright (c) 2019 Takanori Watanabe.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* USB spec: http://www.usb.org/developers/docs/usbspec.zip
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*/
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#ifdef USB_GLOBAL_INCLUDE_FILE
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#include USB_GLOBAL_INCLUDE_FILE
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#else
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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/usbdi_util.h>
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#define USB_DEBUG_VAR uhub_debug
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_device.h>
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#include <dev/usb/usb_request.h>
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/usb_hub.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_transfer.h>
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#include <dev/usb/usb_dynamic.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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#endif /* USB_GLOBAL_INCLUDE_FILE */
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#include <dev/usb/usb_hub_private.h>
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <dev/acpica/acpivar.h>
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static UINT32 acpi_uhub_find_rh_cb(ACPI_HANDLE ah, UINT32 nl, void *ctx, void **status);
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static ACPI_STATUS acpi_uhub_find_rh(device_t dev, ACPI_HANDLE * ah);
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static ACPI_STATUS
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acpi_usb_hub_port_probe_cb(ACPI_HANDLE ah, UINT32 lv, void *ctx, void **rv);
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static ACPI_STATUS acpi_usb_hub_port_probe(device_t dev, ACPI_HANDLE ah);
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static int acpi_uhub_root_probe(device_t dev);
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static int acpi_uhub_probe(device_t dev);
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static int acpi_uhub_root_attach(device_t dev);
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static int acpi_uhub_attach(device_t dev);
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static int acpi_uhub_detach(device_t dev);
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static int
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acpi_uhub_read_ivar(device_t dev, device_t child, int idx,
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uintptr_t *res);
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static int
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acpi_uhub_child_location_string(device_t parent, device_t child,
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char *buf, size_t buflen);
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static int acpi_uhub_parse_upc(device_t dev, unsigned int port, ACPI_HANDLE ah);
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struct acpi_uhub_softc {
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struct uhub_softc usc;
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uint8_t nports;
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ACPI_HANDLE *porthandle;
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};
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UINT32
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acpi_uhub_find_rh_cb(ACPI_HANDLE ah, UINT32 nl, void *ctx, void **status){
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ACPI_DEVICE_INFO *devinfo;
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UINT32 ret = AE_OK;
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*status = NULL;
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devinfo = NULL;
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ret = AcpiGetObjectInfo(ah, &devinfo);
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if (ACPI_FAILURE(ret)) {
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return ret;
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}
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if ((devinfo->Valid & ACPI_VALID_ADR) &&
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(devinfo->Address == 0)) {
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ret = AE_CTRL_TERMINATE;
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*status = ah;
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}
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AcpiOsFree(devinfo);
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return ret;
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}
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static int
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acpi_uhub_parse_upc(device_t dev, unsigned int port, ACPI_HANDLE ah)
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{
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ACPI_BUFFER buf;
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buf.Pointer = NULL;
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buf.Length = ACPI_ALLOCATE_BUFFER;
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if (AcpiEvaluateObject(ah, "_UPC", NULL, &buf) == AE_OK) {
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UINT64 porttypenum, conn;
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const char *connectable;
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const char *typelist[] = {"TypeA", "MiniAB", "Express",
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"USB3-A", "USB3-B", "USB-MicroB",
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"USB3-MicroAB", "USB3-PowerB",
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"TypeC-USB2", "TypeC-Switch",
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"TypeC-nonSwitch"};
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const char *porttype;
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const int last = sizeof(typelist) / sizeof(typelist[0]);
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ACPI_OBJECT *obj = buf.Pointer;
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acpi_PkgInt(obj, 0, &conn);
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acpi_PkgInt(obj, 1, &porttypenum);
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connectable = conn ? "" : "non";
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if (porttypenum == 0xff)
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porttype = "Proprietary";
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else if (porttypenum < last) {
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porttype = typelist[porttypenum];
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} else {
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porttype = "Unknown";
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}
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if (usb_debug)
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device_printf(dev, "Port %u %sconnectable %s\n",
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port, connectable, porttype);
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}
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AcpiOsFree(buf.Pointer);
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return 0;
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}
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static int
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acpi_uhub_parse_pld(device_t dev, unsigned int port, ACPI_HANDLE ah)
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{
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ACPI_BUFFER buf;
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buf.Pointer = NULL;
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buf.Length = ACPI_ALLOCATE_BUFFER;
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if (AcpiEvaluateObject(ah, "_PLD", NULL, &buf) == AE_OK) {
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ACPI_OBJECT *obj;
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unsigned char *resbuf;
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int len;
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obj = buf.Pointer;
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if (obj->Type == ACPI_TYPE_PACKAGE
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&& obj->Package.Elements[0].Type == ACPI_TYPE_BUFFER) {
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ACPI_OBJECT *obj1;
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obj1 = &obj->Package.Elements[0];
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len = obj1->Buffer.Length;
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resbuf = obj1->Buffer.Pointer;
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} else if (obj->Type == ACPI_TYPE_BUFFER) {
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len = obj->Buffer.Length;
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resbuf = obj->Buffer.Pointer;
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} else {
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goto skip;
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}
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if (usb_debug) {
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device_printf(dev, "Revision:%d\n",
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resbuf[0] & 0x7f);
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if ((resbuf[0] & 0x80) == 0) {
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device_printf(dev,
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"Color:#%02x%02x%02x\n",
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resbuf[1], resbuf[2],
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resbuf[3]);
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}
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device_printf(dev, "Width %d mm Height %d mm\n",
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resbuf[4] | (resbuf[5] << 8),
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resbuf[6] | (resbuf[7] << 8));
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if (resbuf[8] & 1) {
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device_printf(dev, "Visible\n");
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}
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if (resbuf[8] & 2) {
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device_printf(dev, "Dock\n");
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}
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if (resbuf[8] & 4) {
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device_printf(dev, "Lid\n");
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}
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device_printf(dev, "PanelPosition: %d\n",
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(resbuf[8] >> 3) & 7);
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device_printf(dev, "VertPosition: %d\n",
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(resbuf[8] >> 6) & 3);
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device_printf(dev, "HorizPosition: %d\n",
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(resbuf[9]) & 3);
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device_printf(dev, "Shape: %d\n",
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(resbuf[9] >> 2) & 0xf);
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device_printf(dev, "80: %02x, %02x, %02x\n",
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resbuf[9], resbuf[10], resbuf[11]);
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device_printf(dev, "96: %02x, %02x, %02x, %02x\n",
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resbuf[12], resbuf[13],
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resbuf[14], resbuf[15]);
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if ((resbuf[0] & 0x7f) >= 2) {
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device_printf(dev, "VOFF%d mm HOFF %dmm",
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resbuf[16] | (resbuf[17] << 8),
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resbuf[18] | (resbuf[19] << 8));
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}
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}
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skip:
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AcpiOsFree(buf.Pointer);
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}
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return 0;
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}
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ACPI_STATUS
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acpi_uhub_find_rh(device_t dev, ACPI_HANDLE * ah){
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device_t grand;
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ACPI_HANDLE gah;
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grand = device_get_parent(device_get_parent(dev));
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if ((gah = acpi_get_handle(grand)) == NULL) {
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*ah = NULL;
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return AE_ERROR;
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}
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return AcpiWalkNamespace(ACPI_TYPE_DEVICE, gah, 1,
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acpi_uhub_find_rh_cb, NULL, dev, ah);
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}
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ACPI_STATUS
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acpi_usb_hub_port_probe_cb(ACPI_HANDLE ah, UINT32 lv, void *ctx, void **rv){
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ACPI_DEVICE_INFO *devinfo;
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device_t dev = ctx;
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struct acpi_uhub_softc *sc = device_get_softc(dev);
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if (usb_debug)
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device_printf(dev, "%s\n", acpi_name(ah));
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AcpiGetObjectInfo(ah, &devinfo);
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if ((devinfo->Valid & ACPI_VALID_ADR) &&
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(devinfo->Address > 0) &&
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(devinfo->Address <= (uint64_t)sc->nports)) {
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sc->porthandle[devinfo->Address - 1] = ah;
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acpi_uhub_parse_upc(dev, devinfo->Address, ah);
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acpi_uhub_parse_pld(dev, devinfo->Address, ah);
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} else {
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device_printf(dev, "Skiping invalid devobj %s\n",
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acpi_name(ah));
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}
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AcpiOsFree(devinfo);
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return AE_OK;
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}
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ACPI_STATUS
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acpi_usb_hub_port_probe(device_t dev, ACPI_HANDLE ah){
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return AcpiWalkNamespace(ACPI_TYPE_DEVICE,
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ah, 1,
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acpi_usb_hub_port_probe_cb,
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NULL, dev, NULL);
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}
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int
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acpi_uhub_root_probe(device_t dev)
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{
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ACPI_HANDLE ah;
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ACPI_STATUS status;
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status = acpi_uhub_find_rh(dev, &ah);
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if (ACPI_SUCCESS(status)
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&& ah != NULL
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&& (uhub_probe(dev) <= 0)) {
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/* success prior than non - acpi hub */
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return (BUS_PROBE_DEFAULT + 1);
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}
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return ENXIO;
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}
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int
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acpi_uhub_probe(device_t dev)
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{
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ACPI_HANDLE ah = acpi_get_handle(dev);
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if (ah && (uhub_probe(dev) <= 0)) {
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/*success prior than non - acpi hub*/
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return (BUS_PROBE_DEFAULT + 1);
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}
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return (ENXIO);
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}
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int
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acpi_uhub_root_attach(device_t dev)
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{
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ACPI_HANDLE devhandle;
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struct usb_hub *uh;
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struct acpi_uhub_softc *sc = device_get_softc(dev);
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int ret;
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if ((ret = uhub_attach(dev)) != 0) {
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return (ret);
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}
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uh = sc->usc.sc_udev->hub;
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if (ACPI_FAILURE(acpi_uhub_find_rh(dev, &devhandle)) ||
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(devhandle == NULL)) {
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return ENXIO;
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}
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sc->nports = uh->nports;
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sc->porthandle = malloc(sizeof(ACPI_HANDLE) * uh->nports,
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M_USBDEV, M_WAITOK | M_ZERO);
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acpi_uhub_find_rh(dev, &devhandle);
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acpi_usb_hub_port_probe(dev, devhandle);
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return 0;
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}
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int
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acpi_uhub_attach(device_t dev)
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{
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struct usb_hub *uh;
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struct acpi_uhub_softc *sc = device_get_softc(dev);
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ACPI_HANDLE devhandle;
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int ret;
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if ((ret = uhub_attach(dev)) != 0) {
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return (ret);
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}
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uh = sc->usc.sc_udev->hub;
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devhandle = acpi_get_handle(dev);
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|
||
|
|
if (devhandle == NULL) {
|
||
|
|
return ENXIO;
|
||
|
|
}
|
||
|
|
|
||
|
|
sc->nports = uh->nports;
|
||
|
|
sc->porthandle = malloc(sizeof(ACPI_HANDLE) * uh->nports,
|
||
|
|
M_USBDEV, M_WAITOK | M_ZERO);
|
||
|
|
acpi_usb_hub_port_probe(dev, acpi_get_handle(dev));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
acpi_uhub_read_ivar(device_t dev, device_t child, int idx,
|
||
|
|
uintptr_t *res)
|
||
|
|
{
|
||
|
|
struct hub_result hres;
|
||
|
|
struct acpi_uhub_softc *sc = device_get_softc(dev);
|
||
|
|
ACPI_HANDLE ah;
|
||
|
|
|
||
|
|
mtx_lock(&Giant);
|
||
|
|
uhub_find_iface_index(sc->usc.sc_udev->hub, child, &hres);
|
||
|
|
mtx_unlock(&Giant);
|
||
|
|
if ((idx == ACPI_IVAR_HANDLE) &&
|
||
|
|
(hres.portno > 0) &&
|
||
|
|
(hres.portno <= sc->nports) &&
|
||
|
|
(ah = sc->porthandle[hres.portno - 1])) {
|
||
|
|
*res = (uintptr_t)ah;
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
return (ENXIO);
|
||
|
|
}
|
||
|
|
static int
|
||
|
|
acpi_uhub_child_location_string(device_t parent, device_t child,
|
||
|
|
char *buf, size_t buflen)
|
||
|
|
{
|
||
|
|
|
||
|
|
ACPI_HANDLE ah;
|
||
|
|
|
||
|
|
uhub_child_location_string(parent, child, buf, buflen);
|
||
|
|
ah = acpi_get_handle(child);
|
||
|
|
if (ah) {
|
||
|
|
strlcat(buf, " handle=", buflen);
|
||
|
|
strlcat(buf, acpi_name(ah), buflen);
|
||
|
|
}
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
acpi_uhub_detach(device_t dev)
|
||
|
|
{
|
||
|
|
struct acpi_uhub_softc *sc = device_get_softc(dev);
|
||
|
|
|
||
|
|
free(sc->porthandle, M_USBDEV);
|
||
|
|
return uhub_detach(dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static device_method_t acpi_uhub_methods[] = {
|
||
|
|
DEVMETHOD(device_probe, acpi_uhub_probe),
|
||
|
|
DEVMETHOD(device_attach, acpi_uhub_attach),
|
||
|
|
DEVMETHOD(device_detach, acpi_uhub_detach),
|
||
|
|
DEVMETHOD(bus_child_location_str, acpi_uhub_child_location_string),
|
||
|
|
DEVMETHOD(bus_read_ivar, acpi_uhub_read_ivar),
|
||
|
|
DEVMETHOD_END
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
static device_method_t acpi_uhub_root_methods[] = {
|
||
|
|
DEVMETHOD(device_probe, acpi_uhub_root_probe),
|
||
|
|
DEVMETHOD(device_attach, acpi_uhub_root_attach),
|
||
|
|
DEVMETHOD(device_detach, acpi_uhub_detach),
|
||
|
|
DEVMETHOD(bus_read_ivar, acpi_uhub_read_ivar),
|
||
|
|
DEVMETHOD(bus_child_location_str, acpi_uhub_child_location_string),
|
||
|
|
DEVMETHOD_END
|
||
|
|
};
|
||
|
|
|
||
|
|
static devclass_t uhub_devclass;
|
||
|
|
extern driver_t uhub_driver;
|
||
|
|
static kobj_class_t uhub_baseclasses[] = {&uhub_driver, NULL};
|
||
|
|
static driver_t acpi_uhub_driver = {
|
||
|
|
.name = "uhub",
|
||
|
|
.methods = acpi_uhub_methods,
|
||
|
|
.size = sizeof(struct acpi_uhub_softc),
|
||
|
|
.baseclasses = uhub_baseclasses,
|
||
|
|
};
|
||
|
|
static driver_t acpi_uhub_root_driver = {
|
||
|
|
.name = "uhub",
|
||
|
|
.methods = acpi_uhub_root_methods,
|
||
|
|
.size = sizeof(struct acpi_uhub_softc),
|
||
|
|
.baseclasses = uhub_baseclasses,
|
||
|
|
};
|
||
|
|
|
||
|
|
DRIVER_MODULE(acpi_uhub, uhub, acpi_uhub_driver, uhub_devclass, 0, 0);
|
||
|
|
MODULE_DEPEND(acpi_uhub, acpi, 1, 1, 1);
|
||
|
|
DRIVER_MODULE(acpi_uhub, usbus, acpi_uhub_root_driver, uhub_devclass, 0, 0);
|