Date: Sat, 27 Jun 2009 13:24:59 +0200 From: Michael Gmelin <freebsdusb@bindone.de> To: Rui Paulo <rpaulo@freebsd.org>, freebsd-acpi@freebsd.org Cc: "Paul B. Mahol" <onemda@gmail.com> Subject: Patches to acpi_hp Message-ID: <4A46018B.90709@bindone.de>
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Hello,
please find attached a patch to acpi_hp.c and acpi_hp.4 (and the
complete files as well).
This patch brings:
- sysctl dev.acpi_hp.0.verbose to toggle debug output
- A modification so this can deal with different array lengths
when reading the CMI BIOS - now it works ok on HP Compaq nx7300
as well.
- Document sysctl in man page
- Add a section to manpage about hardware that has been reported
to work ok
Installation instructions (against latest CURRENT):
patch -d /usr/src < /path/to/acpi_hp.patch
cd /usr/src/sys/modules/acpi/acpi_hp
make all && make install
cd /usr/src/share/man/man4
make all && make install
cheers
Michael
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filename="acpi_hp.4"
.\" Copyright (c) 2009 Michael Gmelin
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd June 21, 2009
.Dt ACPI_HP 4 i386
.Os
.Sh NAME
.Nm acpi_hp
.Nd "ACPI extras driver for HP laptops"
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following line in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device acpi_hp"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
acpi_hp_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for ACPI-controlled features found on HP laptops
that use a WMI enabled BIOS (e.g. HP Compaq 8510p and 6510p).
.Pp
The main purpose of this driver is to provide an interface,
accessible via
.Xr sysctl 8 ,
.Xr devd 8 and
.Xr devfs 8 ,
through which applications can determine and change the status of
various laptop components and BIOS settings.
.Pp
.Ss Xr devd 8 Ss Events
Devd events received by
.Xr devd 8
provide the following information:
.Pp
.Bl -tag -width "subsystem" -offset indent -compact
.It system
.Qq Li ACPI
.It subsystem
.Qq Li HP
.It type
The source of the event in the ACPI namespace.
The value depends on the model.
.It notify
Event code (see below).
.El
.Pp
Event codes:
.Pp
.Bl -tag -width "0xc0" -offset indent -compact
.It Li 0xc0
WLAN on air status changed to 0 (not on air)
.It Li 0xc1
WLAN on air status changed to 1 (on air)
.It Li 0xd0
Bluetooth on air status changed to 0 (not on air)
.It Li 0xd1
Bluetooth on air status changed to 1 (on air)
.It Li 0xe0
WWAN on air status changed to 0 (not on air)
.It Li 0xe1
WWAN on air status changed to 1 (on air)
.El
.Ss Xr devfs 8 Ss Device
You can read /dev/hpcmi to see your current BIOS settings. The detail level
can be adjusted by setting the sysctl
.Va cmi_detail
as described below.
.Sh SYSCTL VARIABLES
The following sysctls are currently implemented:
.Ss WLAN:
.Bl -tag -width indent
.It Va dev.acpi_hp.0.wlan_enabled
Toggle WLAN chip activity.
.It Va dev.acpi_hp.0.wlan_radio
(read-only)
WLAN radio status (controlled by hardware switch)
.It Va dev.acpi_hp.0.wlan_on_air
(read-only)
WLAN on air (chip enabled, hardware switch enabled + enabled in BIOS)
.It Va dev.acpi_hp.0.wlan_enabled_if_radio_on
If set to 1, the WLAN chip will be enabled if the radio is turned on
.It Va dev.acpi_hp.0.wlan_disable_if_radio_off
If set to 1, the WLAN chip will be disabled if the radio is turned off
.El
.Ss Bluetooth:
.Bl -tag -width indent
.It Va dev.acpi_hp.0.bt_enabled
Toggle Bluetooth chip activity.
.It Va dev.acpi_hp.0.bt_radio
(read-only)
Bluetooth radio status (controlled by hardware switch)
.It Va dev.acpi_hp.0.bt_on_air
(read-only)
Bluetooth on air (chip enabled, hardware switch enabled + enabled in BIOS)
.It Va dev.acpi_hp.0.bt_enabled_if_radio_on
If set to 1, the Bluetooth chip will be enabled if the radio is turned on
.It Va dev.acpi_hp.0.bt_disable_if_radio_off
If set to 1, the Bluetooth chip will be disabled if the radio is turned off
.El
.Ss WWAN:
.Bl -tag -width indent
.It Va dev.acpi_hp.0.wwan_enabled
Toggle WWAN chip activity.
.It Va dev.acpi_hp.0.wwan_radio
(read-only)
WWAN radio status (controlled by hardware switch)
.It Va dev.acpi_hp.0.wwan_on_air
(read-only)
WWAN on air (chip enabled, hardware switch enabled + enabled in BIOS)
.It Va dev.acpi_hp.0.wwan_enabled_if_radio_on
If set to 1, the WWAN chip will be enabled if the radio is turned on
.It Va dev.acpi_hp.0.wwan_disable_if_radio_off
If set to 1, the WWAN chip will be disabled if the radio is turned off
.El
.Ss Misc:
.Bl -tag -width indent
.It Va dev.acpi_hp.0.als_enabled
Toggle ambient light sensor (ALS)
.It Va dev.acpi_hp.0.display
(read-only)
Display status (bitmask)
.It Va dev.acpi_hp.0.hdd_temperature
(read-only)
HDD temperature
.It Va dev.acpi_hp.0.is_docked
(read-only)
Docking station status (1 if docked)
.It Va dev.acpi_hp.0.cmi_detail
Bitmask to control detail level in /dev/hpcmi output (values can be ORed).
.Bl -tag -width "0x01" -offset indent -compact
.It Li 0x01
Show path component of BIOS setting
.It Li 0x02
Show a list of valid options for the BIOS setting
.It Li 0x04
Show additional flags of BIOS setting (ReadOnly etc.)
.El
.It Va dev.acpi_hp.0.verbose
(read-only)
Set verbosity level
.El
.Pp
Defaults for these sysctls can be set in
.Xr sysctl.conf 5 .
.Sh HARDWARE
The
.Nm
driver has been reported to support the following hardware:
.Pp
.Bl -bullet -compact
.It
HP Compaq 8510p
.It
HP Compaq nx7300
.El
.Pp
It should work on most HP laptops that feature a WMI enabled BIOS.
.Sh FILES
.Bl -tag -width ".Pa /dev/hpcmi"
.It Pa /dev/hpcmi
Interface to read BIOS settings
.El
.Sh EXAMPLES
The following can be added to
.Xr devd.conf 5
in order disable the LAN interface when WLAN on air and reenable if it's
not:
.Bd -literal -offset indent
notify 0 {
match "system" "ACPI";
match "subsystem" "HP";
match "notify" "0xc0";
action "ifconfig em0 up";
};
notify 0 {
match "system" "ACPI";
match "subsystem" "HP";
match "notify" "0xc1";
action "ifconfig em0 down";
};
.Ed
.Pp
Enable the ambient light sensor:
.Bd -literal -offset indent
sysctl dev.acpi_hp.0.als_enabled=1
.Ed
.Pp
Enable Bluetooth:
.Bd -literal -offset indent
sysctl dev.acpi_hp.0.bt_enabled=1
.Ed
.Pp
Get BIOS settings:
.Bd -literal -offset indent
cat /dev/hpcmi
Serial Port Disable
Infrared Port Enable
Parallel Port Disable
Flash Media Reader Disable
USB Ports including Express Card slot Enable
1394 Port Enable
Cardbus Slot Disable
Express Card Slot Disable
(...)
.Ed
.Pp
Set maximum detail level for /dev/hpcmi output:
.Bd -literal -offset indent
sysctl dev.acpi_hp.0.cmi_detail=7
.Ed
.Pp
.Sh SEE ALSO
.Xr acpi 4 ,
.Xr acpi_wmi 4 ,
.Xr sysctl.conf 5 ,
.Xr devd 8 ,
.Xr devfs 8 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx CURRENT .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Michael Gmelin Aq freebsd@grem.de
.Pp
It has been inspired by hp-wmi driver, which implements a subset of these
features (hotkeys) on Linux.
.Pp
.Bl -tag -width indent
.It HP CMI whitepaper:
http://h20331.www2.hp.com/Hpsub/downloads/cmi_whitepaper.pdf
.It wmi-hp for Linux:
http://www.kernel.org
.It WMI and ACPI:
http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx
.El
.Pp
This manual page was written by
.An Michael Gmelin Aq freebsd@grem.de
.Sh BUGS
This driver is experimental and has only been tested on CURRENT i386 on an
HP Compaq 8510p which featured all supported wireless devices (WWAN/BT/WLAN).
Expect undefined results when operating on different hardware.
.Pp
Loading the driver is slow. Reading from /dev/hpcmi is even slower.
.Pp
Additional features like HP specific sensor readings or writing BIOS
settings are not supported.
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/*-
* Copyright (c) 2009 Michael Gmelin <freebsd@grem.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* Driver for extra ACPI-controlled features found on HP laptops
* that use a WMI enabled BIOS (e.g. HP Compaq 8510p and 6510p).
* Allows to control and read status of integrated hardware and read
* BIOS settings through CMI.
* Inspired by the hp-wmi driver, which implements a subset of these
* features (hotkeys) on Linux.
*
* HP CMI whitepaper:
* http://h20331.www2.hp.com/Hpsub/downloads/cmi_whitepaper.pdf
* wmi-hp for Linux:
* http://www.kernel.org
* WMI and ACPI:
* http://www.microsoft.com/whdc/system/pnppwr/wmi/wmi-acpi.mspx
*/
#include "opt_acpi.h"
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/uio.h>
#include <sys/proc.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/sbuf.h>
#include <sys/module.h>
#include <sys/sysctl.h>
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
#include "acpi_wmi_if.h"
#define _COMPONENT ACPI_OEM
ACPI_MODULE_NAME("HP")
#define ACPI_HP_WMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C"
#define ACPI_HP_WMI_BIOS_GUID "5FB7F034-2C63-45E9-BE91-3D44E2C707E4"
#define ACPI_HP_WMI_CMI_GUID "2D114B49-2DFB-4130-B8FE-4A3C09E75133"
#define ACPI_HP_WMI_DISPLAY_COMMAND 0x1
#define ACPI_HP_WMI_HDDTEMP_COMMAND 0x2
#define ACPI_HP_WMI_ALS_COMMAND 0x3
#define ACPI_HP_WMI_DOCK_COMMAND 0x4
#define ACPI_HP_WMI_WIRELESS_COMMAND 0x5
#define ACPI_HP_METHOD_WLAN_ENABLED 1
#define ACPI_HP_METHOD_WLAN_RADIO 2
#define ACPI_HP_METHOD_WLAN_ON_AIR 3
#define ACPI_HP_METHOD_WLAN_ENABLE_IF_RADIO_ON 4
#define ACPI_HP_METHOD_WLAN_DISABLE_IF_RADIO_OFF 5
#define ACPI_HP_METHOD_BLUETOOTH_ENABLED 6
#define ACPI_HP_METHOD_BLUETOOTH_RADIO 7
#define ACPI_HP_METHOD_BLUETOOTH_ON_AIR 8
#define ACPI_HP_METHOD_BLUETOOTH_ENABLE_IF_RADIO_ON 9
#define ACPI_HP_METHOD_BLUETOOTH_DISABLE_IF_RADIO_OFF 10
#define ACPI_HP_METHOD_WWAN_ENABLED 11
#define ACPI_HP_METHOD_WWAN_RADIO 12
#define ACPI_HP_METHOD_WWAN_ON_AIR 13
#define ACPI_HP_METHOD_WWAN_ENABLE_IF_RADIO_ON 14
#define ACPI_HP_METHOD_WWAN_DISABLE_IF_RADIO_OFF 15
#define ACPI_HP_METHOD_ALS 16
#define ACPI_HP_METHOD_DISPLAY 17
#define ACPI_HP_METHOD_HDDTEMP 18
#define ACPI_HP_METHOD_DOCK 19
#define ACPI_HP_METHOD_CMI_DETAIL 20
#define ACPI_HP_METHOD_VERBOSE 21
#define HP_MASK_WWAN_ON_AIR 0x1000000
#define HP_MASK_BLUETOOTH_ON_AIR 0x10000
#define HP_MASK_WLAN_ON_AIR 0x100
#define HP_MASK_WWAN_RADIO 0x8000000
#define HP_MASK_BLUETOOTH_RADIO 0x80000
#define HP_MASK_WLAN_RADIO 0x800
#define HP_MASK_WWAN_ENABLED 0x2000000
#define HP_MASK_BLUETOOTH_ENABLED 0x20000
#define HP_MASK_WLAN_ENABLED 0x200
#define ACPI_HP_CMI_DETAIL_PATHS 0x01
#define ACPI_HP_CMI_DETAIL_ENUMS 0x02
#define ACPI_HP_CMI_DETAIL_FLAGS 0x04
struct acpi_hp_inst_seq_pair {
UINT32 sequence; /* sequence number as suggested by cmi bios */
UINT8 instance; /* object instance on guid */
};
struct acpi_hp_softc {
device_t dev;
ACPI_HANDLE handle;
device_t wmi_dev;
int has_notify; /* notification GUID found */
int has_cmi; /* CMI GUID found */
int cmi_detail; /* CMI detail level
(set by sysctl) */
int verbose; /* add debug output */
int wlan_enable_if_radio_on; /* set by sysctl */
int wlan_disable_if_radio_off; /* set by sysctl */
int bluetooth_enable_if_radio_on; /* set by sysctl */
int bluetooth_disable_if_radio_off; /* set by sysctl */
int wwan_enable_if_radio_on; /* set by sysctl */
int wwan_disable_if_radio_off; /* set by sysctl */
int was_wlan_on_air; /* last known WLAN
on air status */
int was_bluetooth_on_air; /* last known BT
on air status */
int was_wwan_on_air; /* last known WWAN
on air status */
struct sysctl_ctx_list *sysctl_ctx;
struct sysctl_oid *sysctl_tree;
struct cdev *hpcmi_dev_t; /* hpcmi device handle */
struct sbuf hpcmi_sbuf; /* /dev/hpcmi output sbuf */
pid_t hpcmi_open_pid; /* pid operating on
/dev/hpcmi */
int hpcmi_bufptr; /* current pointer position
in /dev/hpcmi output buffer
*/
int cmi_order_size; /* size of cmi_order list */
struct acpi_hp_inst_seq_pair cmi_order[128]; /* list of CMI
instances ordered by BIOS suggested sequence */
};
static struct {
char *name;
int method;
char *description;
int access;
} acpi_hp_sysctls[] = {
{
.name = "wlan_enabled",
.method = ACPI_HP_METHOD_WLAN_ENABLED,
.description = "Enable/Disable WLAN (WiFi)",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "wlan_radio",
.method = ACPI_HP_METHOD_WLAN_RADIO,
.description = "WLAN radio status",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "wlan_on_air",
.method = ACPI_HP_METHOD_WLAN_ON_AIR,
.description = "WLAN radio ready to use (enabled and radio)",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "wlan_enable_if_radio_on",
.method = ACPI_HP_METHOD_WLAN_ENABLE_IF_RADIO_ON,
.description = "Enable WLAN if radio is turned on",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "wlan_disable_if_radio_off",
.method = ACPI_HP_METHOD_WLAN_DISABLE_IF_RADIO_OFF,
.description = "Disable WLAN if radio is turned off",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "bt_enabled",
.method = ACPI_HP_METHOD_BLUETOOTH_ENABLED,
.description = "Enable/Disable Bluetooth",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "bt_radio",
.method = ACPI_HP_METHOD_BLUETOOTH_RADIO,
.description = "Bluetooth radio status",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "bt_on_air",
.method = ACPI_HP_METHOD_BLUETOOTH_ON_AIR,
.description = "Bluetooth radio ready to use"
" (enabled and radio)",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "bt_enable_if_radio_on",
.method = ACPI_HP_METHOD_BLUETOOTH_ENABLE_IF_RADIO_ON,
.description = "Enable bluetooth if radio is turned on",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "bt_disable_if_radio_off",
.method = ACPI_HP_METHOD_BLUETOOTH_DISABLE_IF_RADIO_OFF,
.description = "Disable bluetooth if radio is turned off",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "wwan_enabled",
.method = ACPI_HP_METHOD_WWAN_ENABLED,
.description = "Enable/Disable WWAN (UMTS)",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "wwan_radio",
.method = ACPI_HP_METHOD_WWAN_RADIO,
.description = "WWAN radio status",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "wwan_on_air",
.method = ACPI_HP_METHOD_WWAN_ON_AIR,
.description = "WWAN radio ready to use (enabled and radio)",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "wwan_enable_if_radio_on",
.method = ACPI_HP_METHOD_WWAN_ENABLE_IF_RADIO_ON,
.description = "Enable WWAN if radio is turned on",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "wwan_disable_if_radio_off",
.method = ACPI_HP_METHOD_WWAN_DISABLE_IF_RADIO_OFF,
.description = "Disable WWAN if radio is turned off",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "als_enabled",
.method = ACPI_HP_METHOD_ALS,
.description = "Enable/Disable ALS (Ambient light sensor)",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "display",
.method = ACPI_HP_METHOD_DISPLAY,
.description = "Display status",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "hdd_temperature",
.method = ACPI_HP_METHOD_HDDTEMP,
.description = "HDD temperature",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "is_docked",
.method = ACPI_HP_METHOD_DOCK,
.description = "Docking station status",
.access = CTLTYPE_INT | CTLFLAG_RD
},
{
.name = "cmi_detail",
.method = ACPI_HP_METHOD_CMI_DETAIL,
.description = "Details shown in CMI output "
"(cat /dev/hpcmi)",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{
.name = "verbose",
.method = ACPI_HP_METHOD_VERBOSE,
.description = "Verbosity level",
.access = CTLTYPE_INT | CTLFLAG_RW
},
{ NULL, 0, NULL, 0 }
};
ACPI_SERIAL_DECL(hp, "HP ACPI-WMI Mapping");
static int acpi_hp_probe(device_t dev);
static int acpi_hp_attach(device_t dev);
static int acpi_hp_detach(device_t dev);
static void acpi_hp_evaluate_auto_on_off(struct acpi_hp_softc* sc);
static int acpi_hp_sysctl(SYSCTL_HANDLER_ARGS);
static int acpi_hp_sysctl_set(struct acpi_hp_softc *sc, int method,
int arg, int oldarg);
static int acpi_hp_sysctl_get(struct acpi_hp_softc *sc, int method);
static int acpi_hp_exec_wmi_command(device_t wmi_dev, int command,
int is_write, int val);
static void acpi_hp_notify(ACPI_HANDLE h, UINT32 notify, void *context);
static int acpi_hp_get_cmi_block(device_t wmi_dev, const char* guid,
UINT8 instance, char* outbuf, size_t outsize,
UINT32* sequence, int detail);
static void acpi_hp_hex_decode(char* buffer);
static d_open_t acpi_hp_hpcmi_open;
static d_close_t acpi_hp_hpcmi_close;
static d_read_t acpi_hp_hpcmi_read;
/* handler /dev/hpcmi device */
static struct cdevsw hpcmi_cdevsw = {
.d_version = D_VERSION,
.d_open = acpi_hp_hpcmi_open,
.d_close = acpi_hp_hpcmi_close,
.d_read = acpi_hp_hpcmi_read,
.d_name = "hpcmi",
};
static device_method_t acpi_hp_methods[] = {
DEVMETHOD(device_probe, acpi_hp_probe),
DEVMETHOD(device_attach, acpi_hp_attach),
DEVMETHOD(device_detach, acpi_hp_detach),
{0, 0}
};
static driver_t acpi_hp_driver = {
"acpi_hp",
acpi_hp_methods,
sizeof(struct acpi_hp_softc),
};
static devclass_t acpi_hp_devclass;
DRIVER_MODULE(acpi_hp, acpi, acpi_hp_driver, acpi_hp_devclass,
0, 0);
MODULE_DEPEND(acpi_hp, acpi_wmi, 1, 1, 1);
MODULE_DEPEND(acpi_hp, acpi, 1, 1, 1);
static void
acpi_hp_evaluate_auto_on_off(struct acpi_hp_softc *sc)
{
int wireless;
int new_wlan_status;
int new_bluetooth_status;
int new_wwan_status;
wireless = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
new_wlan_status = -1;
new_bluetooth_status = -1;
new_wwan_status = -1;
if (sc->verbose)
device_printf(sc->wmi_dev, "Wireless status is %x\n", wireless);
if (sc->wlan_disable_if_radio_off && !(wireless & HP_MASK_WLAN_RADIO)
&& (wireless & HP_MASK_WLAN_ENABLED)) {
acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1, 0x100);
new_wlan_status = 0;
}
else if (sc->wlan_enable_if_radio_on && (wireless & HP_MASK_WLAN_RADIO)
&& !(wireless & HP_MASK_WLAN_ENABLED)) {
acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1, 0x101);
new_wlan_status = 1;
}
if (sc->bluetooth_disable_if_radio_off &&
!(wireless & HP_MASK_BLUETOOTH_RADIO) &&
(wireless & HP_MASK_BLUETOOTH_ENABLED)) {
acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1, 0x200);
new_bluetooth_status = 0;
}
else if (sc->bluetooth_enable_if_radio_on &&
(wireless & HP_MASK_BLUETOOTH_RADIO) &&
!(wireless & HP_MASK_BLUETOOTH_ENABLED)) {
acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1, 0x202);
new_bluetooth_status = 1;
}
if (sc->wwan_disable_if_radio_off &&
!(wireless & HP_MASK_WWAN_RADIO) &&
(wireless & HP_MASK_WWAN_ENABLED)) {
acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1, 0x400);
new_wwan_status = 0;
}
else if (sc->wwan_enable_if_radio_on &&
(wireless & HP_MASK_WWAN_RADIO) &&
!(wireless & HP_MASK_WWAN_ENABLED)) {
acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1, 0x404);
new_wwan_status = 1;
}
if (new_wlan_status == -1) {
new_wlan_status = (wireless & HP_MASK_WLAN_ON_AIR);
if ((new_wlan_status?1:0) != sc->was_wlan_on_air) {
sc->was_wlan_on_air = sc->was_wlan_on_air?0:1;
if (sc->verbose)
device_printf(sc->wmi_dev,
"WLAN on air changed to %i "
"(new_wlan_status is %i)\n",
sc->was_wlan_on_air, new_wlan_status);
acpi_UserNotify("HP", sc->handle,
0xc0+sc->was_wlan_on_air);
}
}
if (new_bluetooth_status == -1) {
new_bluetooth_status = (wireless & HP_MASK_BLUETOOTH_ON_AIR);
if ((new_bluetooth_status?1:0) != sc->was_bluetooth_on_air) {
sc->was_bluetooth_on_air = sc->was_bluetooth_on_air?
0:1;
if (sc->verbose)
device_printf(sc->wmi_dev,
"BLUETOOTH on air changed"
" to %i (new_bluetooth_status is %i)\n",
sc->was_bluetooth_on_air,
new_bluetooth_status);
acpi_UserNotify("HP", sc->handle,
0xd0+sc->was_bluetooth_on_air);
}
}
if (new_wwan_status == -1) {
new_wwan_status = (wireless & HP_MASK_WWAN_ON_AIR);
if ((new_wwan_status?1:0) != sc->was_wwan_on_air) {
sc->was_wwan_on_air = sc->was_wwan_on_air?0:1;
if (sc->verbose)
device_printf(sc->wmi_dev,
"WWAN on air changed to %i"
" (new_wwan_status is %i)\n",
sc->was_wwan_on_air, new_wwan_status);
acpi_UserNotify("HP", sc->handle,
0xe0+sc->was_wwan_on_air);
}
}
}
static int
acpi_hp_probe(device_t dev)
{
if (acpi_disabled("hp") || device_get_unit(dev) != 0)
return (ENXIO);
device_set_desc(dev, "HP ACPI-WMI Mapping");
return (0);
}
static int
acpi_hp_attach(device_t dev)
{
struct acpi_hp_softc *sc;
struct acpi_softc *acpi_sc;
devclass_t wmi_devclass;
int arg;
ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
sc = device_get_softc(dev);
sc->dev = dev;
sc->handle = acpi_get_handle(dev);
sc->has_notify = 0;
sc->has_cmi = 0;
sc->bluetooth_enable_if_radio_on = 0;
sc->bluetooth_disable_if_radio_off = 0;
sc->wlan_enable_if_radio_on = 0;
sc->wlan_disable_if_radio_off = 0;
sc->wlan_enable_if_radio_on = 0;
sc->wlan_disable_if_radio_off = 0;
sc->was_wlan_on_air = 0;
sc->was_bluetooth_on_air = 0;
sc->was_wwan_on_air = 0;
sc->cmi_detail = 0;
sc->cmi_order_size = -1;
sc->verbose = 0;
memset(sc->cmi_order, 0, sizeof(sc->cmi_order));
acpi_sc = acpi_device_get_parent_softc(dev);
if (!(wmi_devclass = devclass_find ("acpi_wmi"))) {
device_printf(dev, "Couldn't find acpi_wmi devclass\n");
return (EINVAL);
}
if (!(sc->wmi_dev = devclass_get_device(wmi_devclass, 0))) {
device_printf(dev, "Couldn't find acpi_wmi device\n");
return (EINVAL);
}
if (!ACPI_WMI_PROVIDES_GUID_STRING(sc->wmi_dev,
ACPI_HP_WMI_BIOS_GUID)) {
device_printf(dev,
"WMI device does not provide the HP BIOS GUID\n");
return (EINVAL);
}
if (ACPI_WMI_PROVIDES_GUID_STRING(sc->wmi_dev,
ACPI_HP_WMI_EVENT_GUID)) {
device_printf(dev,
"HP event GUID detected, installing event handler\n");
if (ACPI_WMI_INSTALL_EVENT_HANDLER(sc->wmi_dev,
ACPI_HP_WMI_EVENT_GUID, acpi_hp_notify, dev)) {
device_printf(dev,
"Could not install notification handler!\n");
}
else {
sc->has_notify = 1;
}
}
if (ACPI_WMI_PROVIDES_GUID_STRING(sc->wmi_dev, ACPI_HP_WMI_CMI_GUID)) {
device_printf(dev, "HP CMI GUID detected\n");
sc->has_cmi = 1;
}
if (sc->has_cmi) {
sc->hpcmi_dev_t = make_dev(&hpcmi_cdevsw, 0, UID_ROOT,
GID_WHEEL, 0644, "hpcmi");
sc->hpcmi_dev_t->si_drv1 = sc;
sc->hpcmi_open_pid = 0;
sc->hpcmi_bufptr = -1;
}
ACPI_SERIAL_BEGIN(hp);
sc->sysctl_ctx = device_get_sysctl_ctx(dev);
sc->sysctl_tree = device_get_sysctl_tree(dev);
for (int i = 0; acpi_hp_sysctls[i].name != NULL; ++i) {
arg = 0;
if ((!sc->has_notify &&
(acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_WLAN_ENABLE_IF_RADIO_ON ||
acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_WLAN_DISABLE_IF_RADIO_OFF ||
acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_BLUETOOTH_ENABLE_IF_RADIO_ON ||
acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_BLUETOOTH_DISABLE_IF_RADIO_OFF ||
acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_WWAN_ENABLE_IF_RADIO_ON ||
acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_WWAN_DISABLE_IF_RADIO_OFF)) ||
(arg = acpi_hp_sysctl_get(sc,
acpi_hp_sysctls[i].method)) < 0) {
continue;
}
if (acpi_hp_sysctls[i].method == ACPI_HP_METHOD_WLAN_ON_AIR) {
sc->was_wlan_on_air = arg;
}
else if (acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_BLUETOOTH_ON_AIR) {
sc->was_bluetooth_on_air = arg;
}
else if (acpi_hp_sysctls[i].method ==
ACPI_HP_METHOD_WWAN_ON_AIR) {
sc->was_wwan_on_air = arg;
}
SYSCTL_ADD_PROC(sc->sysctl_ctx,
SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
acpi_hp_sysctls[i].name, acpi_hp_sysctls[i].access,
sc, i, acpi_hp_sysctl, "I",
acpi_hp_sysctls[i].description);
}
ACPI_SERIAL_END(hp);
return (0);
}
static int
acpi_hp_detach(device_t dev)
{
int ret;
ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
struct acpi_hp_softc *sc = device_get_softc(dev);
if (sc->has_cmi && sc->hpcmi_open_pid != 0) {
ret = EBUSY;
}
else {
if (sc->has_notify) {
ACPI_WMI_REMOVE_EVENT_HANDLER(dev,
ACPI_HP_WMI_EVENT_GUID);
}
if (sc->hpcmi_bufptr != -1) {
sbuf_delete(&sc->hpcmi_sbuf);
sc->hpcmi_bufptr = -1;
}
sc->hpcmi_open_pid = 0;
destroy_dev(sc->hpcmi_dev_t);
ret = 0;
}
return (ret);
}
static int
acpi_hp_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_hp_softc *sc;
int arg;
int oldarg;
int error = 0;
int function;
int method;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
sc = (struct acpi_hp_softc *)oidp->oid_arg1;
function = oidp->oid_arg2;
method = acpi_hp_sysctls[function].method;
ACPI_SERIAL_BEGIN(hp);
arg = acpi_hp_sysctl_get(sc, method);
oldarg = arg;
error = sysctl_handle_int(oidp, &arg, 0, req);
if (!error && req->newptr != NULL) {
error = acpi_hp_sysctl_set(sc, method, arg, oldarg);
}
ACPI_SERIAL_END(hp);
return (error);
}
static int
acpi_hp_sysctl_get(struct acpi_hp_softc *sc, int method)
{
int val = 0;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
ACPI_SERIAL_ASSERT(hp);
switch (method) {
case ACPI_HP_METHOD_WLAN_ENABLED:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_WLAN_ENABLED) != 0);
break;
case ACPI_HP_METHOD_WLAN_RADIO:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_WLAN_RADIO) != 0);
break;
case ACPI_HP_METHOD_WLAN_ON_AIR:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_WLAN_ON_AIR) != 0);
break;
case ACPI_HP_METHOD_WLAN_ENABLE_IF_RADIO_ON:
val = sc->wlan_enable_if_radio_on;
break;
case ACPI_HP_METHOD_WLAN_DISABLE_IF_RADIO_OFF:
val = sc->wlan_disable_if_radio_off;
break;
case ACPI_HP_METHOD_BLUETOOTH_ENABLED:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_BLUETOOTH_ENABLED) != 0);
break;
case ACPI_HP_METHOD_BLUETOOTH_RADIO:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_BLUETOOTH_RADIO) != 0);
break;
case ACPI_HP_METHOD_BLUETOOTH_ON_AIR:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_BLUETOOTH_ON_AIR) != 0);
break;
case ACPI_HP_METHOD_BLUETOOTH_ENABLE_IF_RADIO_ON:
val = sc->bluetooth_enable_if_radio_on;
break;
case ACPI_HP_METHOD_BLUETOOTH_DISABLE_IF_RADIO_OFF:
val = sc->bluetooth_disable_if_radio_off;
break;
case ACPI_HP_METHOD_WWAN_ENABLED:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_WWAN_ENABLED) != 0);
break;
case ACPI_HP_METHOD_WWAN_RADIO:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_WWAN_RADIO) != 0);
break;
case ACPI_HP_METHOD_WWAN_ON_AIR:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
val = ((val & HP_MASK_WWAN_ON_AIR) != 0);
break;
case ACPI_HP_METHOD_WWAN_ENABLE_IF_RADIO_ON:
val = sc->wwan_enable_if_radio_on;
break;
case ACPI_HP_METHOD_WWAN_DISABLE_IF_RADIO_OFF:
val = sc->wwan_disable_if_radio_off;
break;
case ACPI_HP_METHOD_ALS:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_ALS_COMMAND, 0, 0);
break;
case ACPI_HP_METHOD_DISPLAY:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_DISPLAY_COMMAND, 0, 0);
break;
case ACPI_HP_METHOD_HDDTEMP:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_HDDTEMP_COMMAND, 0, 0);
break;
case ACPI_HP_METHOD_DOCK:
val = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_DOCK_COMMAND, 0, 0);
break;
case ACPI_HP_METHOD_CMI_DETAIL:
val = sc->cmi_detail;
break;
case ACPI_HP_METHOD_VERBOSE:
val = sc->verbose;
break;
}
return (val);
}
static int
acpi_hp_sysctl_set(struct acpi_hp_softc *sc, int method, int arg, int oldarg)
{
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
ACPI_SERIAL_ASSERT(hp);
if (method != ACPI_HP_METHOD_CMI_DETAIL &&
method != ACPI_HP_METHOD_VERBOSE)
arg = arg?1:0;
if (arg != oldarg) {
switch (method) {
case ACPI_HP_METHOD_WLAN_ENABLED:
return (acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1,
arg?0x101:0x100));
case ACPI_HP_METHOD_WLAN_ENABLE_IF_RADIO_ON:
sc->wlan_enable_if_radio_on = arg;
acpi_hp_evaluate_auto_on_off(sc);
break;
case ACPI_HP_METHOD_WLAN_DISABLE_IF_RADIO_OFF:
sc->wlan_disable_if_radio_off = arg;
acpi_hp_evaluate_auto_on_off(sc);
break;
case ACPI_HP_METHOD_BLUETOOTH_ENABLED:
return (acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1,
arg?0x202:0x200));
case ACPI_HP_METHOD_BLUETOOTH_ENABLE_IF_RADIO_ON:
sc->bluetooth_enable_if_radio_on = arg;
acpi_hp_evaluate_auto_on_off(sc);
break;
case ACPI_HP_METHOD_BLUETOOTH_DISABLE_IF_RADIO_OFF:
sc->bluetooth_disable_if_radio_off = arg?1:0;
acpi_hp_evaluate_auto_on_off(sc);
break;
case ACPI_HP_METHOD_WWAN_ENABLED:
return (acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 1,
arg?0x404:0x400));
case ACPI_HP_METHOD_WWAN_ENABLE_IF_RADIO_ON:
sc->wwan_enable_if_radio_on = arg?1:0;
acpi_hp_evaluate_auto_on_off(sc);
break;
case ACPI_HP_METHOD_WWAN_DISABLE_IF_RADIO_OFF:
sc->wwan_disable_if_radio_off = arg?1:0;
acpi_hp_evaluate_auto_on_off(sc);
break;
case ACPI_HP_METHOD_ALS:
return (acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_ALS_COMMAND, 1,
arg?1:0));
case ACPI_HP_METHOD_CMI_DETAIL:
sc->cmi_detail = arg;
break;
case ACPI_HP_METHOD_VERBOSE:
sc->verbose = arg;
break;
}
}
return (0);
}
static __inline void
acpi_hp_free_buffer(ACPI_BUFFER* buf) {
if (buf && buf->Pointer) {
AcpiOsFree(buf->Pointer);
}
}
static void
acpi_hp_notify(ACPI_HANDLE h, UINT32 notify, void *context)
{
device_t dev = context;
ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, notify);
struct acpi_hp_softc *sc = device_get_softc(dev);
ACPI_BUFFER response = { ACPI_ALLOCATE_BUFFER, NULL };
ACPI_OBJECT *obj;
ACPI_WMI_GET_EVENT_DATA(sc->wmi_dev, notify, &response);
obj = (ACPI_OBJECT*) response.Pointer;
if (obj && obj->Type == ACPI_TYPE_BUFFER && obj->Buffer.Length == 8) {
if (*((UINT8 *) obj->Buffer.Pointer) == 0x5) {
acpi_hp_evaluate_auto_on_off(sc);
}
}
acpi_hp_free_buffer(&response);
}
static int
acpi_hp_exec_wmi_command(device_t wmi_dev, int command, int is_write, int val)
{
UINT32 params[5] = { 0x55434553,
is_write?2:1,
command,
is_write?4:0,
val};
UINT32* result;
ACPI_OBJECT *obj;
ACPI_BUFFER in = { sizeof(params), ¶ms };
ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL };
int retval;
if (ACPI_FAILURE(ACPI_WMI_EVALUATE_CALL(wmi_dev, ACPI_HP_WMI_BIOS_GUID,
0, 0x3, &in, &out))) {
acpi_hp_free_buffer(&out);
return (-EINVAL);
}
obj = out.Pointer;
if (!obj || obj->Type != ACPI_TYPE_BUFFER) {
acpi_hp_free_buffer(&out);
return (-EINVAL);
}
result = (UINT32*) obj->Buffer.Pointer;
retval = result[2];
if (result[1] > 0) {
retval = result[1];
}
acpi_hp_free_buffer(&out);
return (retval);
}
static __inline char*
acpi_hp_get_string_from_object(ACPI_OBJECT* obj, char* dst, size_t size) {
int length;
dst[0] = 0;
if (obj->Type == ACPI_TYPE_STRING) {
length = obj->String.Length+1;
if (length > size) {
length = size - 1;
}
strlcpy(dst, obj->String.Pointer, length);
acpi_hp_hex_decode(dst);
}
return (dst);
}
/*
* Read BIOS Setting block in instance "instance".
* The block returned is ACPI_TYPE_PACKAGE which should contain the following
* elements:
* Index Meaning
* 0 Setting Name [string]
* 1 Value (comma separated, asterisk marks the current value) [string]
* 2 Path within the bios hierarchy [string]
* 3 IsReadOnly [int]
* 4 DisplayInUI [int]
* 5 RequiresPhysicalPresence [int]
* 6 Sequence for ordering within the bios settings (absolute) [int]
* 7 Length of prerequisites array [int]
* 8..8+[7] PrerequisiteN [string]
* 9+[7] Current value (in case of enum) [string] / Array length [int]
* 10+[7] Enum length [int] / Array values
* 11+[7]ff Enum value at index x [string]
*/
static int
acpi_hp_get_cmi_block(device_t wmi_dev, const char* guid, UINT8 instance,
char* outbuf, size_t outsize, UINT32* sequence, int detail)
{
ACPI_OBJECT *obj;
ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL };
int i;
int outlen;
int size = 255;
int has_enums = 0;
int valuebase = 0;
char string_buffer[size];
int enumbase;
outlen = 0;
outbuf[0] = 0;
if (ACPI_FAILURE(ACPI_WMI_GET_BLOCK(wmi_dev, guid, instance, &out))) {
acpi_hp_free_buffer(&out);
return (-EINVAL);
}
obj = out.Pointer;
if (!obj && obj->Type != ACPI_TYPE_PACKAGE) {
acpi_hp_free_buffer(&out);
return (-EINVAL);
}
if (obj->Package.Count >= 8 &&
obj->Package.Elements[7].Type == ACPI_TYPE_INTEGER) {
valuebase = 8 + obj->Package.Elements[7].Integer.Value;
}
/* check if this matches our expectations based on limited knowledge */
if (valuebase > 7 && obj->Package.Count > valuebase + 1 &&
obj->Package.Elements[0].Type == ACPI_TYPE_STRING &&
obj->Package.Elements[1].Type == ACPI_TYPE_STRING &&
obj->Package.Elements[2].Type == ACPI_TYPE_STRING &&
obj->Package.Elements[3].Type == ACPI_TYPE_INTEGER &&
obj->Package.Elements[4].Type == ACPI_TYPE_INTEGER &&
obj->Package.Elements[5].Type == ACPI_TYPE_INTEGER &&
obj->Package.Elements[6].Type == ACPI_TYPE_INTEGER &&
obj->Package.Elements[valuebase].Type == ACPI_TYPE_STRING &&
obj->Package.Elements[valuebase+1].Type == ACPI_TYPE_INTEGER &&
obj->Package.Count > valuebase +
obj->Package.Elements[valuebase+1].Integer.Value
) {
enumbase = valuebase + 1;
if (detail & ACPI_HP_CMI_DETAIL_PATHS) {
strlcat(outbuf, acpi_hp_get_string_from_object(
&obj->Package.Elements[2], string_buffer, size),
outsize);
outlen += 48;
while (strlen(outbuf) < outlen)
strlcat(outbuf, " ", outsize);
}
strlcat(outbuf, acpi_hp_get_string_from_object(
&obj->Package.Elements[0], string_buffer, size),
outsize);
outlen += 43;
while (strlen(outbuf) < outlen)
strlcat(outbuf, " ", outsize);
strlcat(outbuf, acpi_hp_get_string_from_object(
&obj->Package.Elements[valuebase], string_buffer,
size),
outsize);
outlen += 21;
while (strlen(outbuf) < outlen)
strlcat(outbuf, " ", outsize);
for (i = 0; i < strlen(outbuf); ++i)
if (outbuf[i] == '\\')
outbuf[i] = '/';
if (detail & ACPI_HP_CMI_DETAIL_ENUMS) {
for (i = enumbase + 1; i < enumbase + 1 +
obj->Package.Elements[enumbase].Integer.Value;
++i) {
acpi_hp_get_string_from_object(
&obj->Package.Elements[i], string_buffer,
size);
if (strlen(string_buffer) > 1 ||
(strlen(string_buffer) == 1 &&
string_buffer[0] != ' ')) {
if (has_enums)
strlcat(outbuf, "/", outsize);
else
strlcat(outbuf, " (", outsize);
strlcat(outbuf, string_buffer, outsize);
has_enums = 1;
}
}
}
if (has_enums)
strlcat(outbuf, ")", outsize);
if (detail & ACPI_HP_CMI_DETAIL_FLAGS) {
strlcat(outbuf, obj->Package.Elements[3].Integer.Value?
" [ReadOnly]":"", outsize);
strlcat(outbuf, obj->Package.Elements[4].Integer.Value?
"":" [NOUI]", outsize);
strlcat(outbuf, obj->Package.Elements[5].Integer.Value?
" [RPP]":"", outsize);
}
*sequence = (UINT32) obj->Package.Elements[6].Integer.Value;
}
acpi_hp_free_buffer(&out);
return (0);
}
/*
* Convert given two digit hex string (hexin) to an UINT8 referenced
* by byteout.
* Return != 0 if the was a problem (invalid input)
*/
static __inline int acpi_hp_hex_to_int(const UINT8 *hexin, UINT8 *byteout)
{
unsigned int hi;
unsigned int lo;
hi = hexin[0];
lo = hexin[1];
if ('0' <= hi && hi <= '9')
hi -= '0';
else if ('A' <= hi && hi <= 'F')
hi -= ('A' - 10);
else if ('a' <= hi && hi <= 'f')
hi -= ('a' - 10);
else
return (1);
if ('0' <= lo && lo <= '9')
lo -= '0';
else if ('A' <= lo && lo <= 'F')
lo -= ('A' - 10);
else if ('a' <= lo && lo <= 'f')
lo -= ('a' - 10);
else
return (1);
*byteout = (hi << 4) + lo;
return (0);
}
static void
acpi_hp_hex_decode(char* buffer)
{
int i;
int length = strlen(buffer);
UINT8 *uin;
UINT8 uout;
if (((int)length/2)*2 == length || length < 10) return;
for (i = 0; i<length; ++i) {
if (!((i+1)%3)) {
if (buffer[i] != ' ')
return;
}
else
if (!((buffer[i] >= '0' && buffer[i] <= '9') ||
(buffer[i] >= 'A' && buffer[i] <= 'F')))
return;
}
for (i = 0; i<length; i += 3) {
uin = &buffer[i];
uout = 0;
acpi_hp_hex_to_int(uin, &uout);
buffer[i/3] = (char) uout;
}
buffer[(length+1)/3] = 0;
}
/*
* open hpcmi device
*/
static int
acpi_hp_hpcmi_open(struct cdev* dev, int flags, int mode, struct thread *td)
{
struct acpi_hp_softc *sc;
int ret;
if (dev == NULL || dev->si_drv1 == NULL)
return (EBADF);
sc = dev->si_drv1;
ACPI_SERIAL_BEGIN(hp);
if (sc->hpcmi_open_pid != 0) {
ret = EBUSY;
}
else {
if (sbuf_new(&sc->hpcmi_sbuf, NULL, 4096, SBUF_AUTOEXTEND)
== NULL) {
ret = ENXIO;
} else {
sc->hpcmi_open_pid = td->td_proc->p_pid;
sc->hpcmi_bufptr = 0;
ret = 0;
}
}
ACPI_SERIAL_END(hp);
return (ret);
}
/*
* close hpcmi device
*/
static int
acpi_hp_hpcmi_close(struct cdev* dev, int flags, int mode, struct thread *td)
{
struct acpi_hp_softc *sc;
int ret;
if (dev == NULL || dev->si_drv1 == NULL)
return (EBADF);
sc = dev->si_drv1;
ACPI_SERIAL_BEGIN(hp);
if (sc->hpcmi_open_pid == 0) {
ret = EBADF;
}
else {
if (sc->hpcmi_bufptr != -1) {
sbuf_delete(&sc->hpcmi_sbuf);
sc->hpcmi_bufptr = -1;
}
sc->hpcmi_open_pid = 0;
ret = 0;
}
ACPI_SERIAL_END(hp);
return (ret);
}
/*
* Read from hpcmi bios information
*/
static int
acpi_hp_hpcmi_read(struct cdev *dev, struct uio *buf, int flag)
{
struct acpi_hp_softc *sc;
int pos, i, l, ret;
UINT8 instance;
UINT32 sequence;
int linesize = 1025;
char line[linesize];
if (dev == NULL || dev->si_drv1 == NULL)
return (EBADF);
sc = dev->si_drv1;
ACPI_SERIAL_BEGIN(hp);
if (sc->hpcmi_open_pid != buf->uio_td->td_proc->p_pid
|| sc->hpcmi_bufptr == -1) {
ret = EBADF;
}
else {
if (!sbuf_done(&sc->hpcmi_sbuf)) {
if (sc->cmi_order_size < 0) {
sc->cmi_order_size = 0;
for (instance = 0; instance < 128;
++instance) {
if (acpi_hp_get_cmi_block(sc->wmi_dev,
ACPI_HP_WMI_CMI_GUID, instance,
line, linesize, &sequence,
sc->cmi_detail)) {
instance = 128;
}
else {
pos = sc->cmi_order_size;
for (i=0;
i<sc->cmi_order_size && i<127;
++i) {
if (sc->cmi_order[i].sequence > sequence) {
pos = i;
break;
}
}
for (i=sc->cmi_order_size;
i>pos;
--i) {
sc->cmi_order[i].sequence =
sc->cmi_order[i-1].sequence;
sc->cmi_order[i].instance =
sc->cmi_order[i-1].instance;
}
sc->cmi_order[pos].sequence =
sequence;
sc->cmi_order[pos].instance =
instance;
sc->cmi_order_size++;
}
}
}
for (i=0; i<sc->cmi_order_size; ++i) {
if (!acpi_hp_get_cmi_block(sc->wmi_dev,
ACPI_HP_WMI_CMI_GUID,
sc->cmi_order[i].instance, line, linesize,
&sequence, sc->cmi_detail)) {
sbuf_printf(&sc->hpcmi_sbuf, "%s\n", line);
}
}
sbuf_finish(&sc->hpcmi_sbuf);
}
if (sbuf_len(&sc->hpcmi_sbuf) <= 0) {
sbuf_delete(&sc->hpcmi_sbuf);
sc->hpcmi_bufptr = -1;
sc->hpcmi_open_pid = 0;
ret = ENOMEM;
} else {
l = min(buf->uio_resid, sbuf_len(&sc->hpcmi_sbuf) -
sc->hpcmi_bufptr);
ret = (l > 0)?uiomove(sbuf_data(&sc->hpcmi_sbuf) +
sc->hpcmi_bufptr, l, buf) : 0;
sc->hpcmi_bufptr += l;
}
}
ACPI_SERIAL_END(hp);
return (ret);
}
--------------090600020803080001000309
Content-Type: text/plain;
name="acpi_hp.patch"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
filename="acpi_hp.patch"
--- share/man/man4/acpi_hp.4.orig 2009-06-26 12:50:30.005708266 +0200
+++ share/man/man4/acpi_hp.4 2009-06-26 13:03:16.331066657 +0200
@@ -166,10 +166,26 @@
.It Li 0x04
Show additional flags of BIOS setting (ReadOnly etc.)
.El
+.It Va dev.acpi_hp.0.verbose
+(read-only)
+Set verbosity level
.El
.Pp
Defaults for these sysctls can be set in
.Xr sysctl.conf 5 .
+.Sh HARDWARE
+The
+.Nm
+driver has been reported to support the following hardware:
+.Pp
+.Bl -bullet -compact
+.It
+HP Compaq 8510p
+.It
+HP Compaq nx7300
+.El
+.Pp
+It should work on most HP laptops that feature a WMI enabled BIOS.
.Sh FILES
.Bl -tag -width ".Pa /dev/hpcmi"
.It Pa /dev/hpcmi
--- sys/dev/acpi_support/acpi_hp.c.orig 2009-06-26 12:43:35.676585431 +0200
+++ sys/dev/acpi_support/acpi_hp.c 2009-06-26 12:54:46.509994426 +0200
@@ -92,6 +92,7 @@
#define ACPI_HP_METHOD_HDDTEMP 18
#define ACPI_HP_METHOD_DOCK 19
#define ACPI_HP_METHOD_CMI_DETAIL 20
+#define ACPI_HP_METHOD_VERBOSE 21
#define HP_MASK_WWAN_ON_AIR 0x1000000
#define HP_MASK_BLUETOOTH_ON_AIR 0x10000
@@ -120,6 +121,7 @@
int has_cmi; /* CMI GUID found */
int cmi_detail; /* CMI detail level
(set by sysctl) */
+ int verbose; /* add debug output */
int wlan_enable_if_radio_on; /* set by sysctl */
int wlan_disable_if_radio_off; /* set by sysctl */
int bluetooth_enable_if_radio_on; /* set by sysctl */
@@ -274,6 +276,12 @@
"(cat /dev/hpcmi)",
.access = CTLTYPE_INT | CTLFLAG_RW
},
+ {
+ .name = "verbose",
+ .method = ACPI_HP_METHOD_VERBOSE,
+ .description = "Verbosity level",
+ .access = CTLTYPE_INT | CTLFLAG_RW
+ },
{ NULL, 0, NULL, 0 }
};
@@ -333,10 +341,10 @@
static void
acpi_hp_evaluate_auto_on_off(struct acpi_hp_softc *sc)
{
- int wireless;
- int new_wlan_status;
- int new_bluetooth_status;
- int new_wwan_status;
+ int wireless;
+ int new_wlan_status;
+ int new_bluetooth_status;
+ int new_wwan_status;
wireless = acpi_hp_exec_wmi_command(sc->wmi_dev,
ACPI_HP_WMI_WIRELESS_COMMAND, 0, 0);
@@ -344,7 +352,8 @@
new_bluetooth_status = -1;
new_wwan_status = -1;
- device_printf(sc->wmi_dev, "Wireless status is %x\n", wireless);
+ if (sc->verbose)
+ device_printf(sc->wmi_dev, "Wireless status is %x\n", wireless);
if (sc->wlan_disable_if_radio_off && !(wireless & HP_MASK_WLAN_RADIO)
&& (wireless & HP_MASK_WLAN_ENABLED)) {
acpi_hp_exec_wmi_command(sc->wmi_dev,
@@ -390,10 +399,11 @@
new_wlan_status = (wireless & HP_MASK_WLAN_ON_AIR);
if ((new_wlan_status?1:0) != sc->was_wlan_on_air) {
sc->was_wlan_on_air = sc->was_wlan_on_air?0:1;
- device_printf(sc->wmi_dev,
- "WLAN on air changed to %i "
- "(new_wlan_status is %i)\n",
- sc->was_wlan_on_air, new_wlan_status);
+ if (sc->verbose)
+ device_printf(sc->wmi_dev,
+ "WLAN on air changed to %i "
+ "(new_wlan_status is %i)\n",
+ sc->was_wlan_on_air, new_wlan_status);
acpi_UserNotify("HP", sc->handle,
0xc0+sc->was_wlan_on_air);
}
@@ -403,9 +413,12 @@
if ((new_bluetooth_status?1:0) != sc->was_bluetooth_on_air) {
sc->was_bluetooth_on_air = sc->was_bluetooth_on_air?
0:1;
- device_printf(sc->wmi_dev, "BLUETOOTH on air changed"
- " to %i (new_bluetooth_status is %i)\n",
- sc->was_bluetooth_on_air, new_bluetooth_status);
+ if (sc->verbose)
+ device_printf(sc->wmi_dev,
+ "BLUETOOTH on air changed"
+ " to %i (new_bluetooth_status is %i)\n",
+ sc->was_bluetooth_on_air,
+ new_bluetooth_status);
acpi_UserNotify("HP", sc->handle,
0xd0+sc->was_bluetooth_on_air);
}
@@ -414,9 +427,11 @@
new_wwan_status = (wireless & HP_MASK_WWAN_ON_AIR);
if ((new_wwan_status?1:0) != sc->was_wwan_on_air) {
sc->was_wwan_on_air = sc->was_wwan_on_air?0:1;
- device_printf(sc->wmi_dev, "WWAN on air changed to %i"
- " (new_wwan_status is %i)\n",
- sc->was_wwan_on_air, new_wwan_status);
+ if (sc->verbose)
+ device_printf(sc->wmi_dev,
+ "WWAN on air changed to %i"
+ " (new_wwan_status is %i)\n",
+ sc->was_wwan_on_air, new_wwan_status);
acpi_UserNotify("HP", sc->handle,
0xe0+sc->was_wwan_on_air);
}
@@ -439,7 +454,7 @@
struct acpi_hp_softc *sc;
struct acpi_softc *acpi_sc;
devclass_t wmi_devclass;
- int arg;
+ int arg;
ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
@@ -459,6 +474,7 @@
sc->was_wwan_on_air = 0;
sc->cmi_detail = 0;
sc->cmi_order_size = -1;
+ sc->verbose = 0;
memset(sc->cmi_order, 0, sizeof(sc->cmi_order));
acpi_sc = acpi_device_get_parent_softc(dev);
@@ -551,7 +567,7 @@
static int
acpi_hp_detach(device_t dev)
{
- int ret;
+ int ret;
ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
struct acpi_hp_softc *sc = device_get_softc(dev);
@@ -578,12 +594,12 @@
static int
acpi_hp_sysctl(SYSCTL_HANDLER_ARGS)
{
- struct acpi_hp_softc *sc;
- int arg;
- int oldarg;
- int error = 0;
- int function;
- int method;
+ struct acpi_hp_softc *sc;
+ int arg;
+ int oldarg;
+ int error = 0;
+ int function;
+ int method;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
@@ -606,7 +622,7 @@
static int
acpi_hp_sysctl_get(struct acpi_hp_softc *sc, int method)
{
- int val = 0;
+ int val = 0;
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
ACPI_SERIAL_ASSERT(hp);
@@ -694,6 +710,9 @@
case ACPI_HP_METHOD_CMI_DETAIL:
val = sc->cmi_detail;
break;
+ case ACPI_HP_METHOD_VERBOSE:
+ val = sc->verbose;
+ break;
}
return (val);
@@ -705,7 +724,8 @@
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
ACPI_SERIAL_ASSERT(hp);
- if (method != ACPI_HP_METHOD_CMI_DETAIL)
+ if (method != ACPI_HP_METHOD_CMI_DETAIL &&
+ method != ACPI_HP_METHOD_VERBOSE)
arg = arg?1:0;
if (arg != oldarg) {
@@ -753,6 +773,9 @@
case ACPI_HP_METHOD_CMI_DETAIL:
sc->cmi_detail = arg;
break;
+ case ACPI_HP_METHOD_VERBOSE:
+ sc->verbose = arg;
+ break;
}
}
@@ -788,15 +811,15 @@
static int
acpi_hp_exec_wmi_command(device_t wmi_dev, int command, int is_write, int val)
{
- UINT32 params[5] = { 0x55434553,
- is_write?2:1,
- command,
- is_write?4:0,
- val};
- UINT32* result;
- ACPI_OBJECT *obj;
- ACPI_BUFFER in = { sizeof(params), ¶ms };
- ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL };
+ UINT32 params[5] = { 0x55434553,
+ is_write?2:1,
+ command,
+ is_write?4:0,
+ val};
+ UINT32* result;
+ ACPI_OBJECT *obj;
+ ACPI_BUFFER in = { sizeof(params), ¶ms };
+ ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL };
int retval;
if (ACPI_FAILURE(ACPI_WMI_EVALUATE_CALL(wmi_dev, ACPI_HP_WMI_BIOS_GUID,
@@ -821,7 +844,8 @@
static __inline char*
acpi_hp_get_string_from_object(ACPI_OBJECT* obj, char* dst, size_t size) {
- int length;
+ int length;
+
dst[0] = 0;
if (obj->Type == ACPI_TYPE_STRING) {
length = obj->String.Length+1;
@@ -841,33 +865,32 @@
* The block returned is ACPI_TYPE_PACKAGE which should contain the following
* elements:
* Index Meaning
- * 0 Setting Name [string]
- * 1 Value (comma separated, asterisk marks the current value) [string]
- * 2 Path within the bios hierarchy [string]
- * 3 IsReadOnly [int]
- * 4 DisplayInUI [int]
- * 5 RequiresPhysicalPresence [int]
- * 6 Sequence for ordering within the bios settings (absolute) [int]
- * 7 Length of prerequisites array [int]
- * 8 Prerequisite1 [string]
- * 9 Prerequisite2 [string]
- * 10 Prerequisite3 [string]
- * 11 Current value (in case of enum) [string] / Array length [int]
- * 12 Enum length [int] / Array values
- * 13ff Enum value at index x [string]
+ * 0 Setting Name [string]
+ * 1 Value (comma separated, asterisk marks the current value) [string]
+ * 2 Path within the bios hierarchy [string]
+ * 3 IsReadOnly [int]
+ * 4 DisplayInUI [int]
+ * 5 RequiresPhysicalPresence [int]
+ * 6 Sequence for ordering within the bios settings (absolute) [int]
+ * 7 Length of prerequisites array [int]
+ * 8..8+[7] PrerequisiteN [string]
+ * 9+[7] Current value (in case of enum) [string] / Array length [int]
+ * 10+[7] Enum length [int] / Array values
+ * 11+[7]ff Enum value at index x [string]
*/
static int
acpi_hp_get_cmi_block(device_t wmi_dev, const char* guid, UINT8 instance,
char* outbuf, size_t outsize, UINT32* sequence, int detail)
{
- ACPI_OBJECT *obj;
- ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL };
- int i;
- int outlen;
- int size = 255;
- int has_enums = 0;
- char string_buffer[size];
- int enumbase;
+ ACPI_OBJECT *obj;
+ ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL };
+ int i;
+ int outlen;
+ int size = 255;
+ int has_enums = 0;
+ int valuebase = 0;
+ char string_buffer[size];
+ int enumbase;
outlen = 0;
outbuf[0] = 0;
@@ -881,8 +904,13 @@
return (-EINVAL);
}
+ if (obj->Package.Count >= 8 &&
+ obj->Package.Elements[7].Type == ACPI_TYPE_INTEGER) {
+ valuebase = 8 + obj->Package.Elements[7].Integer.Value;
+ }
+
/* check if this matches our expectations based on limited knowledge */
- if (obj->Package.Count >= 13 &&
+ if (valuebase > 7 && obj->Package.Count > valuebase + 1 &&
obj->Package.Elements[0].Type == ACPI_TYPE_STRING &&
obj->Package.Elements[1].Type == ACPI_TYPE_STRING &&
obj->Package.Elements[2].Type == ACPI_TYPE_STRING &&
@@ -890,20 +918,12 @@
obj->Package.Elements[4].Type == ACPI_TYPE_INTEGER &&
obj->Package.Elements[5].Type == ACPI_TYPE_INTEGER &&
obj->Package.Elements[6].Type == ACPI_TYPE_INTEGER &&
- obj->Package.Elements[7].Type == ACPI_TYPE_INTEGER &&
- obj->Package.Elements[8].Type == ACPI_TYPE_STRING &&
- obj->Package.Elements[9].Type == ACPI_TYPE_STRING &&
- obj->Package.Elements[10].Type == ACPI_TYPE_STRING &&
- ((obj->Package.Elements[11].Type == ACPI_TYPE_STRING &&
- obj->Package.Elements[12].Type == ACPI_TYPE_INTEGER &&
- obj->Package.Count >=
- 13+obj->Package.Elements[12].Integer.Value) ||
- (obj->Package.Elements[11].Type == ACPI_TYPE_INTEGER &&
- obj->Package.Count >=
- 12+obj->Package.Elements[11].Integer.Value))
- ) {
- enumbase = obj->Package.Elements[11].Type == ACPI_TYPE_STRING?
- 12:11;
+ obj->Package.Elements[valuebase].Type == ACPI_TYPE_STRING &&
+ obj->Package.Elements[valuebase+1].Type == ACPI_TYPE_INTEGER &&
+ obj->Package.Count > valuebase +
+ obj->Package.Elements[valuebase+1].Integer.Value
+ ) {
+ enumbase = valuebase + 1;
if (detail & ACPI_HP_CMI_DETAIL_PATHS) {
strlcat(outbuf, acpi_hp_get_string_from_object(
&obj->Package.Elements[2], string_buffer, size),
@@ -918,11 +938,10 @@
outlen += 43;
while (strlen(outbuf) < outlen)
strlcat(outbuf, " ", outsize);
- if (enumbase == 12)
- strlcat(outbuf, acpi_hp_get_string_from_object(
- &obj->Package.Elements[11],
- string_buffer, size),
- outsize);
+ strlcat(outbuf, acpi_hp_get_string_from_object(
+ &obj->Package.Elements[valuebase], string_buffer,
+ size),
+ outsize);
outlen += 21;
while (strlen(outbuf) < outlen)
strlcat(outbuf, " ", outsize);
@@ -930,7 +949,7 @@
if (outbuf[i] == '\\')
outbuf[i] = '/';
if (detail & ACPI_HP_CMI_DETAIL_ENUMS) {
- for (i = enumbase+1; i < enumbase + 1 +
+ for (i = enumbase + 1; i < enumbase + 1 +
obj->Package.Elements[enumbase].Integer.Value;
++i) {
acpi_hp_get_string_from_object(
@@ -974,8 +993,8 @@
*/
static __inline int acpi_hp_hex_to_int(const UINT8 *hexin, UINT8 *byteout)
{
- unsigned int hi;
- unsigned int lo;
+ unsigned int hi;
+ unsigned int lo;
hi = hexin[0];
lo = hexin[1];
@@ -1004,10 +1023,10 @@
static void
acpi_hp_hex_decode(char* buffer)
{
- int i;
- int length = strlen(buffer);
- UINT8 *uin;
- UINT8 uout;
+ int i;
+ int length = strlen(buffer);
+ UINT8 *uin;
+ UINT8 uout;
if (((int)length/2)*2 == length || length < 10) return;
@@ -1038,8 +1057,8 @@
static int
acpi_hp_hpcmi_open(struct cdev* dev, int flags, int mode, struct thread *td)
{
- struct acpi_hp_softc *sc;
- int ret;
+ struct acpi_hp_softc *sc;
+ int ret;
if (dev == NULL || dev->si_drv1 == NULL)
return (EBADF);
@@ -1070,8 +1089,8 @@
static int
acpi_hp_hpcmi_close(struct cdev* dev, int flags, int mode, struct thread *td)
{
- struct acpi_hp_softc *sc;
- int ret;
+ struct acpi_hp_softc *sc;
+ int ret;
if (dev == NULL || dev->si_drv1 == NULL)
return (EBADF);
@@ -1100,12 +1119,12 @@
static int
acpi_hp_hpcmi_read(struct cdev *dev, struct uio *buf, int flag)
{
- struct acpi_hp_softc *sc;
- int pos, i, l, ret;
- UINT8 instance;
- UINT32 sequence;
- int linesize = 1025;
- char line[linesize];
+ struct acpi_hp_softc *sc;
+ int pos, i, l, ret;
+ UINT8 instance;
+ UINT32 sequence;
+ int linesize = 1025;
+ char line[linesize];
if (dev == NULL || dev->si_drv1 == NULL)
return (EBADF);
--------------090600020803080001000309
Content-Type: application/octet-stream;
name="patch.tgz"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
filename="patch.tgz"
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