603 lines
15 KiB
C
603 lines
15 KiB
C
/* $FreeBSD$ */
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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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#include <sys/sbuf.h>
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#define ACPI_PLD_SIZE 20
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struct acpi_uhub_port {
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ACPI_HANDLE handle;
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#define ACPI_UPC_CONNECTABLE 0x80000000
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#define ACPI_UPC_PORTTYPE(x) ((x)&0xff)
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uint32_t upc;
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uint8_t pld[ACPI_PLD_SIZE];
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};
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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 ah;
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struct acpi_uhub_port *port;
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};
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static UINT32
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acpi_uhub_find_rh_cb(ACPI_HANDLE ah, UINT32 nl, void *ctx, void **status)
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{
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ACPI_DEVICE_INFO *devinfo;
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UINT32 ret;
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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_SUCCESS(ret)) {
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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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}
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return (ret);
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}
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static const char *
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acpi_uhub_upc_type(uint8_t type)
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{
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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 int last = sizeof(typelist) / sizeof(typelist[0]);
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if (type == 0xff) {
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return "Proprietary";
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}
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return (type < last) ? typelist[type] : "Unknown";
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}
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static int
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acpi_uhub_parse_upc(device_t dev, unsigned int p, ACPI_HANDLE ah, struct sysctl_oid_list *poid)
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{
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ACPI_BUFFER buf;
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struct acpi_uhub_softc *sc = device_get_softc(dev);
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struct acpi_uhub_port *port = &sc->port[p - 1];
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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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ACPI_OBJECT *obj = buf.Pointer;
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UINT64 porttypenum, conn;
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uint8_t *connectable;
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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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port->upc = porttypenum;
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port->upc |= (conn) ? (ACPI_UPC_CONNECTABLE) : 0;
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if (usb_debug)
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device_printf(dev, "Port %u %sconnectable %s\n",
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p, connectable,
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acpi_uhub_upc_type(porttypenum));
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SYSCTL_ADD_U32(
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device_get_sysctl_ctx(dev),
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poid, OID_AUTO,
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"upc",
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CTLFLAG_RD | CTLFLAG_MPSAFE,
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SYSCTL_NULL_U32_PTR, port->upc,
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"UPC value. MSB is visible flag");
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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_port_sysctl(SYSCTL_HANDLER_ARGS)
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{
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struct acpi_uhub_port *port = oidp->oid_arg1;
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struct sbuf sb;
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int error;
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sbuf_new_for_sysctl(&sb, NULL, 256, req);
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sbuf_printf(&sb, "Handle %s\n", acpi_name(port->handle));
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if (port->upc == 0xffffffff) {
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sbuf_printf(&sb, "\tNo information\n");
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goto end;
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}
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sbuf_printf(&sb, "\t");
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if (port->upc & ACPI_UPC_CONNECTABLE) {
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sbuf_printf(&sb, "Connectable ");
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}
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sbuf_printf(&sb, "%s port\n", acpi_uhub_upc_type(port->upc & 0xff));
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if ((port->pld[0] & 0x80) == 0) {
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sbuf_printf(&sb,
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"\tColor:#%02x%02x%02x\n",
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port->pld[1], port->pld[2],
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port->pld[3]);
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}
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sbuf_printf(&sb, "\tWidth %d mm Height %d mm\n",
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port->pld[4] | (port->pld[5] << 8),
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port->pld[6] | (port->pld[7] << 8));
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if (port->pld[8] & 1) {
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sbuf_printf(&sb, "\tVisible\n");
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}
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if (port->pld[8] & 2) {
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sbuf_printf(&sb, "\tDock\n");
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}
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if (port->pld[8] & 4) {
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sbuf_printf(&sb, "\tLid\n");
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} {
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int panelpos = (port->pld[8] >> 3) & 7;
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const char *panposstr[] = {"Top", "Bottom", "Left",
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"Right", "Front", "Back",
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"Unknown", "Invalid"};
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const char *shapestr[] = {
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"Round", "Oval", "Square", "VRect", "HRect",
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"VTrape", "HTrape", "Unknown", "Chamferd",
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"Rsvd", "Rsvd", "Rsvd", "Rsvd",
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"Rsvd", "Rsvd", "Rsvd", "Rsvd"};
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sbuf_printf(&sb, "\tPanelPosition: %s\n", panposstr[panelpos]);
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if (panelpos < 6) {
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const char *posstr[] = {"Upper", "Center",
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"Lower", "Invalid"};
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sbuf_printf(&sb, "\tVertPosition: %s\n",
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posstr[(port->pld[8] >> 6) & 3]);
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sbuf_printf(&sb, "\tHorizPosition: %s\n",
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posstr[(port->pld[9]) & 3]);
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}
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sbuf_printf(&sb, "\tShape: %s\n",
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shapestr[(port->pld[9] >> 2) & 0xf]);
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sbuf_printf(&sb, "\tGroup Orientation %s\n",
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((port->pld[9] >> 6) & 1) ? "Vertical" :
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"Horizontal");
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sbuf_printf(&sb, "\tGroupToken %x\n",
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((port->pld[9] >> 7)
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| (port->pld[10] << 1)) & 0xff);
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sbuf_printf(&sb, "\tGroupPosition %x\n",
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((port->pld[10] >> 7)
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| (port->pld[11] << 1)) & 0xff);
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sbuf_printf(&sb, "\t%s %s %s\n",
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(port->pld[11] & 0x80) ?
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"Bay" : "",
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(port->pld[12] & 1) ? "Eject" : "",
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(port->pld[12] & 2) ? "OSPM" : ""
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);
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}
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if ((port->pld[0] & 0x7f) >= 2) {
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sbuf_printf(&sb, "\tVOFF%d mm HOFF %dmm",
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port->pld[16] | (port->pld[17] << 8),
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port->pld[18] | (port->pld[19] << 8));
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}
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end:
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error = sbuf_finish(&sb);
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sbuf_delete(&sb);
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return (error);
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}
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static int
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acpi_uhub_parse_pld(device_t dev, unsigned int p, ACPI_HANDLE ah, struct sysctl_oid_list *tree)
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{
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ACPI_BUFFER buf;
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struct acpi_uhub_softc *sc = device_get_softc(dev);
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struct acpi_uhub_port *port = &sc->port[p - 1];
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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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len = (len < ACPI_PLD_SIZE) ? len : ACPI_PLD_SIZE;
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memcpy(port->pld, resbuf, len);
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SYSCTL_ADD_OPAQUE(
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device_get_sysctl_ctx(dev), tree, OID_AUTO,
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"pldraw", CTLFLAG_RD | CTLFLAG_MPSAFE,
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port->pld, len, "A", "Raw PLD value");
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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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static ACPI_STATUS
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acpi_uhub_find_rh(device_t dev, ACPI_HANDLE *ah)
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{
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device_t grand;
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ACPI_HANDLE gah;
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*ah = NULL;
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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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return (AE_ERROR);
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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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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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{
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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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UINT32 ret;
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ret = AcpiGetObjectInfo(ah, &devinfo);
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if (ACPI_SUCCESS(ret)) {
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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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char buf[] = "portXXX";
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struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
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struct sysctl_oid *oid;
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struct sysctl_oid_list *tree;
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snprintf(buf, sizeof(buf), "port%ju",
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(uintmax_t)devinfo->Address);
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oid = SYSCTL_ADD_NODE(ctx,
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SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
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OID_AUTO, buf, CTLFLAG_RD | CTLFLAG_MPSAFE,
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NULL, "port nodes");
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tree = SYSCTL_CHILDREN(oid);
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sc->port[devinfo->Address - 1].handle = ah;
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sc->port[devinfo->Address - 1].upc = 0xffffffff;
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acpi_uhub_parse_upc(dev, devinfo->Address, ah, tree);
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acpi_uhub_parse_pld(dev, devinfo->Address, ah, tree);
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SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), tree,
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OID_AUTO, "info",
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CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
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&sc->port[devinfo->Address - 1], 0,
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acpi_uhub_port_sysctl, "A", "Port information");
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}
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AcpiOsFree(devinfo);
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}
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return (AE_OK);
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}
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static ACPI_STATUS
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acpi_usb_hub_port_probe(device_t dev, ACPI_HANDLE ah)
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{
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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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static int
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acpi_uhub_root_probe(device_t dev)
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{
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ACPI_STATUS status;
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ACPI_HANDLE ah;
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if (acpi_disabled("usb"))
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return (ENXIO);
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status = acpi_uhub_find_rh(dev, &ah);
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if (ACPI_SUCCESS(status) && ah != NULL &&
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uhub_probe(dev) <= 0) {
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/* success prior than non-ACPI USB 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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static int
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acpi_uhub_probe(device_t dev)
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{
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ACPI_HANDLE ah;
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if (acpi_disabled("usb"))
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return (ENXIO);
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ah = acpi_get_handle(dev);
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if (ah == NULL)
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return (ENXIO);
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if (uhub_probe(dev) <= 0) {
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/* success prior than non-ACPI USB 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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static int
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acpi_uhub_attach_common(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_STATUS status;
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int ret = ENXIO;
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uh = sc->usc.sc_udev->hub;
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sc->nports = uh->nports;
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sc->port = malloc(sizeof(struct acpi_uhub_port) * uh->nports,
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M_USBDEV, M_WAITOK | M_ZERO);
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status = acpi_usb_hub_port_probe(dev, sc->ah);
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if (ACPI_SUCCESS(status)){
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ret = 0;
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}
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return (ret);
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}
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static int
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acpi_uhub_detach(device_t dev)
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{
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struct acpi_uhub_softc *sc = device_get_softc(dev);
|
|
|
|
free(sc->port, M_USBDEV);
|
|
|
|
return (uhub_detach(dev));
|
|
}
|
|
|
|
static int
|
|
acpi_uhub_root_attach(device_t dev)
|
|
{
|
|
int ret;
|
|
struct acpi_uhub_softc *sc = device_get_softc(dev);
|
|
|
|
if (ACPI_FAILURE(acpi_uhub_find_rh(dev, &sc->ah)) ||
|
|
(sc->ah == NULL)) {
|
|
return (ENXIO);
|
|
}
|
|
if ((ret = uhub_attach(dev)) != 0) {
|
|
return (ret);
|
|
}
|
|
|
|
if ((ret = acpi_uhub_attach_common(dev)) != 0) {
|
|
acpi_uhub_detach(dev);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
acpi_uhub_attach(device_t dev)
|
|
{
|
|
int ret;
|
|
struct acpi_uhub_softc *sc = device_get_softc(dev);
|
|
|
|
sc->ah = acpi_get_handle(dev);
|
|
|
|
if (sc->ah == NULL) {
|
|
return (ENXIO);
|
|
}
|
|
if ((ret = uhub_attach(dev)) != 0) {
|
|
return (ret);
|
|
}
|
|
|
|
if ((ret = acpi_uhub_attach_common(dev)) != 0) {
|
|
acpi_uhub_detach(dev);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
static 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->port[hres.portno - 1].handle)) {
|
|
*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 != NULL) {
|
|
strlcat(buf, " handle=", buflen);
|
|
strlcat(buf, acpi_name(ah), buflen);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
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(uacpi, uhub, acpi_uhub_driver, uhub_devclass, 0, 0);
|
|
DRIVER_MODULE(uacpi, usbus, acpi_uhub_root_driver, uhub_devclass, 0, 0);
|
|
|
|
MODULE_DEPEND(uacpi, acpi, 1, 1, 1);
|
|
MODULE_DEPEND(uacpi, usb, 1, 1, 1);
|
|
|
|
MODULE_VERSION(uacpi, 1);
|