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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86

Browse Source 
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: (81 commits)
  xo15-ebook: Remove device.wakeup_count
  ips: use interruptible waits in ips-monitor
  acer-wmi: does not poll device status when WMI event is available
  acer-wmi: does not set persistence state by rfkill_init_sw_state
  platform-drivers: x86: fix common misspellings
  acer-wmi: use pr_<level> for messages
  asus-wmi: potential NULL dereference in show_call()
  asus-wmi: signedness bug in read_brightness()
  platform-driver-x86: samsung-laptop: make dmi_check_cb to return 1 instead of 0
  platform-driver-x86: fix wrong merge for compal-laptop.c
  msi-laptop: use pr_<level> for messages
  Platform: add Samsung Laptop platform driver
  acer-wmi: Fix WMI ID
  acer-wmi: deactive mail led when power off
  msi-laptop: send out touchpad on/off key
  acer-wmi: set the touchpad toggle key code to KEY_TOUCHPAD_TOGGLE
  platform-driver-x86: intel_mid_thermal: fix unterminated platform_device_id table
  sony-laptop: potential null dereference
  sony-laptop: handle allocation failures
  sony-laptop: return negative on failure in sony_nc_add()
  ...
This commit is contained in:
Linus Torvalds 2011-03-28 15:16:10 -07:00
commit baaca1a614
30 changed files with 4850 additions and 1264 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
Documentation/ABI/testing/sysfs-driver-samsung-laptop Normal file
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@ -0,0 +1,19 @@
What: /sys/devices/platform/samsung/performance_level
Date: January 1, 2010
KernelVersion: 2.6.33
Contact: Greg Kroah-Hartman <gregkh@suse.de>
Description: Some Samsung laptops have different "performance levels"
that are can be modified by a function key, and by this
sysfs file. These values don't always make a whole lot
of sense, but some users like to modify them to keep
their fans quiet at all costs. Reading from this file
will show the current performance level. Writing to the
file can change this value.
Valid options:
"silent"
"normal"
"overclock"
Note that not all laptops support all of these options.
Specifically, not all support the "overclock" option,
and it's still unknown if this value even changes
anything, other than making the user feel a bit better.

31
Documentation/ABI/testing/sysfs-platform-asus-wmi Normal file
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@ -0,0 +1,31 @@
What: /sys/devices/platform/<platform>/cpufv
Date: Oct 2010
KernelVersion: 2.6.37
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Change CPU clock configuration (write-only).
There are three available clock configuration:
* 0 -> Super Performance Mode
* 1 -> High Performance Mode
* 2 -> Power Saving Mode
What: /sys/devices/platform/<platform>/camera
Date: Jan 2010
KernelVersion: 2.6.39
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Control the camera. 1 means on, 0 means off.
What: /sys/devices/platform/<platform>/cardr
Date: Jan 2010
KernelVersion: 2.6.39
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Control the card reader. 1 means on, 0 means off.
What: /sys/devices/platform/<platform>/touchpad
Date: Jan 2010
KernelVersion: 2.6.39
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Control the card touchpad. 1 means on, 0 means off.

10
Documentation/ABI/testing/sysfs-platform-eeepc-wmi
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@ -1,10 +0,0 @@
What: /sys/devices/platform/eeepc-wmi/cpufv
Date: Oct 2010
KernelVersion: 2.6.37
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Change CPU clock configuration (write-only).
There are three available clock configuration:
* 0 -> Super Performance Mode
* 1 -> High Performance Mode
* 2 -> Power Saving Mode

37
Documentation/laptops/sony-laptop.txt
View File

@ -14,7 +14,8 @@ Some models report hotkeys through the SNC or SPIC devices, such events are
reported both through the ACPI subsystem as acpi events and through the INPUT
subsystem. See the logs of acpid or /proc/acpi/event and
/proc/bus/input/devices to find out what those events are and which input
devices are created by the driver.
devices are created by the driver. Additionally, loading the driver with the
debug option will report all events in the kernel log.
Backlight control:
------------------
@ -64,6 +65,16 @@ powers off the sound card,
# echo "1" > /sys/devices/platform/sony-laptop/audiopower
powers on the sound card.
RFkill control:
---------------
More recent Vaio models expose a consistent set of ACPI methods to
control radio frequency emitting devices. If you are a lucky owner of
such a laptop you will find the necessary rfkill devices under
/sys/class/rfkill. Check those starting with sony-* in
# grep . /sys/class/rfkill/*/{state,name}
Development:
------------
@ -75,8 +86,21 @@ pass the option 'debug=1'.
REPEAT: DON'T DO THIS IF YOU DON'T LIKE RISKY BUSINESS.
In your kernel logs you will find the list of all ACPI methods
the SNC device has on your laptop. You can see the GCDP/GCDP methods
used to pwer on/off the CD drive, but there are others.
the SNC device has on your laptop.
* For new models you will see a long list of meaningless method names,
reading the DSDT table source should reveal that:
(1) the SNC device uses an internal capability lookup table
(2) SN00 is used to find values in the lookup table
(3) SN06 and SN07 are used to call into the real methods based on
offsets you can obtain iterating the table using SN00
(4) SN02 used to enable events.
Some values in the capability lookup table are more or less known, see
the code for all sony_call_snc_handle calls, others are more obscure.
* For old models you can see the GCDP/GCDP methods used to pwer on/off
the CD drive, but there are others and they are usually different from
model to model.
I HAVE NO IDEA WHAT THOSE METHODS DO.
@ -108,9 +132,8 @@ Bugs/Limitations:
laptop, including permanent damage.
* The sony-laptop and sonypi drivers do not interact at all. In the
future, sonypi could use sony-laptop to do (part of) its business.
future, sonypi will be removed and replaced by sony-laptop.
* spicctrl, which is the userspace tool used to communicate with the
sonypi driver (through /dev/sonypi) does not try to use the
sony-laptop driver. In the future, spicctrl could try sonypi first,
and if it isn't present, try sony-laptop instead.
sonypi driver (through /dev/sonypi) is deprecated as well since all
its features are now available under the sysfs tree via sony-laptop.

30
MAINTAINERS
View File

@ -1157,14 +1157,14 @@ S: Maintained
F: Documentation/hwmon/asc7621
F: drivers/hwmon/asc7621.c
ASUS ACPI EXTRAS DRIVER
ASUS NOTEBOOKS AND EEEPC ACPI/WMI EXTRAS DRIVERS
M: Corentin Chary <corentincj@iksaif.net>
M: Karol Kozimor <sziwan@users.sourceforge.net>
L: acpi4asus-user@lists.sourceforge.net
L: platform-driver-x86@vger.kernel.org
W: http://acpi4asus.sf.net
S: Maintained
F: drivers/platform/x86/asus_acpi.c
F: drivers/platform/x86/asus*.c
F: drivers/platform/x86/eeepc*.c
ASUS ASB100 HARDWARE MONITOR DRIVER
M: "Mark M. Hoffman" <mhoffman@lightlink.com>
@ -1172,14 +1172,6 @@ L: lm-sensors@lm-sensors.org
S: Maintained
F: drivers/hwmon/asb100.c
ASUS LAPTOP EXTRAS DRIVER
M: Corentin Chary <corentincj@iksaif.net>
L: acpi4asus-user@lists.sourceforge.net
L: platform-driver-x86@vger.kernel.org
W: http://acpi4asus.sf.net
S: Maintained
F: drivers/platform/x86/asus-laptop.c
ASYNCHRONOUS TRANSFERS/TRANSFORMS (IOAT) API
M: Dan Williams <dan.j.williams@intel.com>
W: http://sourceforge.net/projects/xscaleiop
@ -2414,22 +2406,6 @@ T: git git://git.alsa-project.org/alsa-kernel.git
S: Maintained
F: sound/usb/misc/ua101.c
EEEPC LAPTOP EXTRAS DRIVER
M: Corentin Chary <corentincj@iksaif.net>
L: acpi4asus-user@lists.sourceforge.net
L: platform-driver-x86@vger.kernel.org
W: http://acpi4asus.sf.net
S: Maintained
F: drivers/platform/x86/eeepc-laptop.c
EEEPC WMI EXTRAS DRIVER
M: Corentin Chary <corentincj@iksaif.net>
L: acpi4asus-user@lists.sourceforge.net
L: platform-driver-x86@vger.kernel.org
W: http://acpi4asus.sf.net
S: Maintained
F: drivers/platform/x86/eeepc-wmi.c
EFIFB FRAMEBUFFER DRIVER
L: linux-fbdev@vger.kernel.org
M: Peter Jones <pjones@redhat.com>

90
drivers/platform/x86/Kconfig
View File

@ -101,6 +101,19 @@ config DELL_WMI
To compile this driver as a module, choose M here: the module will
be called dell-wmi.
config DELL_WMI_AIO
tristate "WMI Hotkeys for Dell All-In-One series"
depends on ACPI_WMI
depends on INPUT
select INPUT_SPARSEKMAP
---help---
Say Y here if you want to support WMI-based hotkeys on Dell
All-In-One machines.
To compile this driver as a module, choose M here: the module will
be called dell-wmi.
config FUJITSU_LAPTOP
tristate "Fujitsu Laptop Extras"
depends on ACPI
@ -438,23 +451,53 @@ config EEEPC_LAPTOP
Bluetooth, backlight and allows powering on/off some other
devices.
If you have an Eee PC laptop, say Y or M here.
If you have an Eee PC laptop, say Y or M here. If this driver
doesn't work on your Eee PC, try eeepc-wmi instead.
config EEEPC_WMI
tristate "Eee PC WMI Hotkey Driver (EXPERIMENTAL)"
config ASUS_WMI
tristate "ASUS WMI Driver (EXPERIMENTAL)"
depends on ACPI_WMI
depends on INPUT
depends on HWMON
depends on EXPERIMENTAL
depends on BACKLIGHT_CLASS_DEVICE
depends on RFKILL || RFKILL = n
depends on HOTPLUG_PCI
select INPUT_SPARSEKMAP
select LEDS_CLASS
select NEW_LEDS
---help---
Say Y here if you want to support WMI-based hotkeys on Eee PC laptops.
Say Y here if you have a WMI aware Asus laptop (like Eee PCs or new
Asus Notebooks).
To compile this driver as a module, choose M here: the module will
be called eeepc-wmi.
be called asus-wmi.
config ASUS_NB_WMI
tristate "Asus Notebook WMI Driver (EXPERIMENTAL)"
depends on ASUS_WMI
---help---
This is a driver for newer Asus notebooks. It adds extra features
like wireless radio and bluetooth control, leds, hotkeys, backlight...
For more informations, see
<file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
If you have an ACPI-WMI compatible Asus Notebook, say Y or M
here.
config EEEPC_WMI
tristate "Eee PC WMI Driver (EXPERIMENTAL)"
depends on ASUS_WMI
---help---
This is a driver for newer Eee PC laptops. It adds extra features
like wireless radio and bluetooth control, leds, hotkeys, backlight...
For more informations, see
<file:Documentation/ABI/testing/sysfs-platform-asus-wmi>
If you have an ACPI-WMI compatible Eee PC laptop (>= 1000), say Y or M
here.
config ACPI_WMI
tristate "WMI"
@ -616,6 +659,21 @@ config GPIO_INTEL_PMIC
Say Y here to support GPIO via the SCU IPC interface
on Intel MID platforms.
config INTEL_MID_POWER_BUTTON
tristate "power button driver for Intel MID platforms"
depends on INTEL_SCU_IPC && INPUT
help
This driver handles the power button on the Intel MID platforms.
If unsure, say N.
config INTEL_MFLD_THERMAL
tristate "Thermal driver for Intel Medfield platform"
depends on INTEL_SCU_IPC && THERMAL
help
Say Y here to enable thermal driver support for the Intel Medfield
platform.
config RAR_REGISTER
bool "Restricted Access Region Register Driver"
depends on PCI && X86_MRST
@ -672,4 +730,26 @@ config XO1_RFKILL
Support for enabling/disabling the WLAN interface on the OLPC XO-1
laptop.
config XO15_EBOOK
tristate "OLPC XO-1.5 ebook switch"
depends on ACPI && INPUT
---help---
Support for the ebook switch on the OLPC XO-1.5 laptop.
This switch is triggered as the screen is rotated and folded down to
convert the device into ebook form.
config SAMSUNG_LAPTOP
tristate "Samsung Laptop driver"
depends on RFKILL && BACKLIGHT_CLASS_DEVICE && X86
---help---
This module implements a driver for a wide range of different
Samsung laptops. It offers control over the different
function keys, wireless LED, LCD backlight level, and
sometimes provides a "performance_control" sysfs file to allow
the performance level of the laptop to be changed.
To compile this driver as a module, choose M here: the module
will be called samsung-laptop.
endif # X86_PLATFORM_DEVICES

9
drivers/platform/x86/Makefile
View File

@ -3,6 +3,8 @@
# x86 Platform-Specific Drivers
#
obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o
obj-$(CONFIG_ASUS_WMI) += asus-wmi.o
obj-$(CONFIG_ASUS_NB_WMI) += asus-nb-wmi.o
obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o
obj-$(CONFIG_EEEPC_WMI) += eeepc-wmi.o
obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o
@ -10,6 +12,7 @@ obj-$(CONFIG_ACPI_CMPC) += classmate-laptop.o
obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o
obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
obj-$(CONFIG_DELL_WMI) += dell-wmi.o
obj-$(CONFIG_DELL_WMI_AIO) += dell-wmi-aio.o
obj-$(CONFIG_ACER_WMI) += acer-wmi.o
obj-$(CONFIG_ACERHDF) += acerhdf.o
obj-$(CONFIG_HP_ACCEL) += hp_accel.o
@ -29,9 +32,13 @@ obj-$(CONFIG_TOPSTAR_LAPTOP) += topstar-laptop.o
obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
obj-$(CONFIG_TOSHIBA_BT_RFKILL) += toshiba_bluetooth.o
obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
obj-$(CONFIG_INTEL_SCU_IPC_UTIL)+= intel_scu_ipcutil.o
obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o
obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o
obj-$(CONFIG_RAR_REGISTER) += intel_rar_register.o
obj-$(CONFIG_INTEL_IPS) += intel_ips.o
obj-$(CONFIG_GPIO_INTEL_PMIC) += intel_pmic_gpio.o
obj-$(CONFIG_XO1_RFKILL) += xo1-rfkill.o
obj-$(CONFIG_XO15_EBOOK) += xo15-ebook.o
obj-$(CONFIG_IBM_RTL) += ibm_rtl.o
obj-$(CONFIG_SAMSUNG_LAPTOP) += samsung-laptop.o
obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o

127
drivers/platform/x86/acer-wmi.c
View File

@ -22,6 +22,8 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@ -46,12 +48,6 @@ MODULE_AUTHOR("Carlos Corbacho");
MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
MODULE_LICENSE("GPL");
#define ACER_LOGPREFIX "acer-wmi: "
#define ACER_ERR KERN_ERR ACER_LOGPREFIX
#define ACER_NOTICE KERN_NOTICE ACER_LOGPREFIX
#define ACER_INFO KERN_INFO ACER_LOGPREFIX
#define ACER_WARNING KERN_WARNING ACER_LOGPREFIX
/*
* Magic Number
* Meaning is unknown - this number is required for writing to ACPI for AMW0
@ -84,7 +80,7 @@ MODULE_LICENSE("GPL");
#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
#define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A"
#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
/*
@ -93,7 +89,7 @@ MODULE_LICENSE("GPL");
#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3");
MODULE_ALIAS("wmi:6AF4F258-B401-42Fd-BE91-3D4AC2D7C0D3");
MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
enum acer_wmi_event_ids {
@ -108,7 +104,7 @@ static const struct key_entry acer_wmi_keymap[] = {
{KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
{KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
{KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
{KE_KEY, 0x82, {KEY_F22} }, /* Touch Pad On/Off */
{KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad On/Off */
{KE_END, 0}
};
@ -221,6 +217,7 @@ struct acer_debug {
static struct rfkill *wireless_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *threeg_rfkill;
static bool rfkill_inited;
/* Each low-level interface must define at least some of the following */
struct wmi_interface {
@ -845,7 +842,7 @@ static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
has_type_aa = true;
type_aa = (struct hotkey_function_type_aa *) header;
printk(ACER_INFO "Function bitmap for Communication Button: 0x%x\n",
pr_info("Function bitmap for Communication Button: 0x%x\n",
type_aa->commun_func_bitmap);
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
@ -991,6 +988,7 @@ static int __devinit acer_led_init(struct device *dev)
static void acer_led_exit(void)
{
set_u32(LED_OFF, ACER_CAP_MAILLED);
led_classdev_unregister(&mail_led);
}
@ -1036,7 +1034,7 @@ static int __devinit acer_backlight_init(struct device *dev)
bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
&props);
if (IS_ERR(bd)) {
printk(ACER_ERR "Could not register Acer backlight device\n");
pr_err("Could not register Acer backlight device\n");
acer_backlight_device = NULL;
return PTR_ERR(bd);
}
@ -1083,8 +1081,7 @@ static acpi_status wmid3_get_device_status(u32 *value, u16 device)
return AE_ERROR;
}
if (obj->buffer.length != 8) {
printk(ACER_WARNING "Unknown buffer length %d\n",
obj->buffer.length);
pr_warning("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
@ -1093,7 +1090,7 @@ static acpi_status wmid3_get_device_status(u32 *value, u16 device)
kfree(obj);
if (return_value.error_code || return_value.ec_return_value)
printk(ACER_WARNING "Get Device Status failed: "
pr_warning("Get Device Status failed: "
"0x%x - 0x%x\n", return_value.error_code,
return_value.ec_return_value);
else
@ -1161,9 +1158,13 @@ static int acer_rfkill_set(void *data, bool blocked)
{
acpi_status status;
u32 cap = (unsigned long)data;
status = set_u32(!blocked, cap);
if (ACPI_FAILURE(status))
return -ENODEV;
if (rfkill_inited) {
status = set_u32(!blocked, cap);
if (ACPI_FAILURE(status))
return -ENODEV;
}
return 0;
}
@ -1187,14 +1188,16 @@ static struct rfkill *acer_rfkill_register(struct device *dev,
return ERR_PTR(-ENOMEM);
status = get_device_status(&state, cap);
if (ACPI_SUCCESS(status))
rfkill_init_sw_state(rfkill_dev, !state);
err = rfkill_register(rfkill_dev);
if (err) {
rfkill_destroy(rfkill_dev);
return ERR_PTR(err);
}
if (ACPI_SUCCESS(status))
rfkill_set_sw_state(rfkill_dev, !state);
return rfkill_dev;
}
@ -1229,14 +1232,19 @@ static int acer_rfkill_init(struct device *dev)
}
}
schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
rfkill_inited = true;
if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID))
schedule_delayed_work(&acer_rfkill_work,
round_jiffies_relative(HZ));
return 0;
}
static void acer_rfkill_exit(void)
{
cancel_delayed_work_sync(&acer_rfkill_work);
if (ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID))
cancel_delayed_work_sync(&acer_rfkill_work);
rfkill_unregister(wireless_rfkill);
rfkill_destroy(wireless_rfkill);
@ -1309,7 +1317,7 @@ static void acer_wmi_notify(u32 value, void *context)
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
printk(ACER_WARNING "bad event status 0x%x\n", status);
pr_warning("bad event status 0x%x\n", status);
return;
}
@ -1318,14 +1326,12 @@ static void acer_wmi_notify(u32 value, void *context)
if (!obj)
return;
if (obj->type != ACPI_TYPE_BUFFER) {
printk(ACER_WARNING "Unknown response received %d\n",
obj->type);
pr_warning("Unknown response received %d\n", obj->type);
kfree(obj);
return;
}
if (obj->buffer.length != 8) {
printk(ACER_WARNING "Unknown buffer length %d\n",
obj->buffer.length);
pr_warning("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return;
}
@ -1335,13 +1341,26 @@ static void acer_wmi_notify(u32 value, void *context)
switch (return_value.function) {
case WMID_HOTKEY_EVENT:
if (return_value.device_state) {
u16 device_state = return_value.device_state;
pr_debug("deivces states: 0x%x\n", device_state);
if (has_cap(ACER_CAP_WIRELESS))
rfkill_set_sw_state(wireless_rfkill,
!(device_state & ACER_WMID3_GDS_WIRELESS));
if (has_cap(ACER_CAP_BLUETOOTH))
rfkill_set_sw_state(bluetooth_rfkill,
!(device_state & ACER_WMID3_GDS_BLUETOOTH));
if (has_cap(ACER_CAP_THREEG))
rfkill_set_sw_state(threeg_rfkill,
!(device_state & ACER_WMID3_GDS_THREEG));
}
if (!sparse_keymap_report_event(acer_wmi_input_dev,
return_value.key_num, 1, true))
printk(ACER_WARNING "Unknown key number - 0x%x\n",
pr_warning("Unknown key number - 0x%x\n",
return_value.key_num);
break;
default:
printk(ACER_WARNING "Unknown function number - %d - %d\n",
pr_warning("Unknown function number - %d - %d\n",
return_value.function, return_value.key_num);
break;
}
@ -1370,8 +1389,7 @@ wmid3_set_lm_mode(struct lm_input_params *params,
return AE_ERROR;
}
if (obj->buffer.length != 4) {
printk(ACER_WARNING "Unknown buffer length %d\n",
obj->buffer.length);
pr_warning("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
@ -1396,11 +1414,11 @@ static int acer_wmi_enable_ec_raw(void)
status = wmid3_set_lm_mode(&params, &return_value);
if (return_value.error_code || return_value.ec_return_value)
printk(ACER_WARNING "Enabling EC raw mode failed: "
pr_warning("Enabling EC raw mode failed: "
"0x%x - 0x%x\n", return_value.error_code,
return_value.ec_return_value);
else
printk(ACER_INFO "Enabled EC raw mode");
pr_info("Enabled EC raw mode");
return status;
}
@ -1419,7 +1437,7 @@ static int acer_wmi_enable_lm(void)
status = wmid3_set_lm_mode(&params, &return_value);
if (return_value.error_code || return_value.ec_return_value)
printk(ACER_WARNING "Enabling Launch Manager failed: "
pr_warning("Enabling Launch Manager failed: "
"0x%x - 0x%x\n", return_value.error_code,
return_value.ec_return_value);
@ -1553,6 +1571,7 @@ pm_message_t state)
if (has_cap(ACER_CAP_MAILLED)) {
get_u32(&value, ACER_CAP_MAILLED);
set_u32(LED_OFF, ACER_CAP_MAILLED);
data->mailled = value;
}
@ -1580,6 +1599,17 @@ static int acer_platform_resume(struct platform_device *device)
return 0;
}
static void acer_platform_shutdown(struct platform_device *device)
{
struct acer_data *data = &interface->data;
if (!data)
return;
if (has_cap(ACER_CAP_MAILLED))
set_u32(LED_OFF, ACER_CAP_MAILLED);
}
static struct platform_driver acer_platform_driver = {
.driver = {
.name = "acer-wmi",
@ -1589,6 +1619,7 @@ static struct platform_driver acer_platform_driver = {
.remove = acer_platform_remove,
.suspend = acer_platform_suspend,
.resume = acer_platform_resume,
.shutdown = acer_platform_shutdown,
};
static struct platform_device *acer_platform_device;
@ -1636,7 +1667,7 @@ static int create_debugfs(void)
{
interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
if (!interface->debug.root) {
printk(ACER_ERR "Failed to create debugfs directory");
pr_err("Failed to create debugfs directory");
return -ENOMEM;
}
@ -1657,11 +1688,10 @@ static int __init acer_wmi_init(void)
{
int err;
printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n");
pr_info("Acer Laptop ACPI-WMI Extras\n");
if (dmi_check_system(acer_blacklist)) {
printk(ACER_INFO "Blacklisted hardware detected - "
"not loading\n");
pr_info("Blacklisted hardware detected - not loading\n");
return -ENODEV;
}
@ -1678,12 +1708,11 @@ static int __init acer_wmi_init(void)
if (wmi_has_guid(WMID_GUID2) && interface) {
if (ACPI_FAILURE(WMID_set_capabilities())) {
printk(ACER_ERR "Unable to detect available WMID "
"devices\n");
pr_err("Unable to detect available WMID devices\n");
return -ENODEV;
}
} else if (!wmi_has_guid(WMID_GUID2) && interface) {
printk(ACER_ERR "No WMID device detection method found\n");
pr_err("No WMID device detection method found\n");
return -ENODEV;
}
@ -1691,8 +1720,7 @@ static int __init acer_wmi_init(void)
interface = &AMW0_interface;
if (ACPI_FAILURE(AMW0_set_capabilities())) {
printk(ACER_ERR "Unable to detect available AMW0 "
"devices\n");
pr_err("Unable to detect available AMW0 devices\n");
return -ENODEV;
}
}
@ -1701,8 +1729,7 @@ static int __init acer_wmi_init(void)
AMW0_find_mailled();
if (!interface) {
printk(ACER_INFO "No or unsupported WMI interface, unable to "
"load\n");
pr_err("No or unsupported WMI interface, unable to load\n");
return -ENODEV;
}
@ -1710,22 +1737,22 @@ static int __init acer_wmi_init(void)
if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
interface->capability &= ~ACER_CAP_BRIGHTNESS;
printk(ACER_INFO "Brightness must be controlled by "
pr_info("Brightness must be controlled by "
"generic video driver\n");
}
if (wmi_has_guid(WMID_GUID3)) {
if (ec_raw_mode) {
if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
printk(ACER_ERR "Cannot enable EC raw mode\n");
pr_err("Cannot enable EC raw mode\n");
return -ENODEV;
}
} else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
printk(ACER_ERR "Cannot enable Launch Manager mode\n");
pr_err("Cannot enable Launch Manager mode\n");
return -ENODEV;
}
} else if (ec_raw_mode) {
printk(ACER_INFO "No WMID EC raw mode enable method\n");
pr_info("No WMID EC raw mode enable method\n");
}
if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
@ -1736,7 +1763,7 @@ static int __init acer_wmi_init(void)
err = platform_driver_register(&acer_platform_driver);
if (err) {
printk(ACER_ERR "Unable to register platform driver.\n");
pr_err("Unable to register platform driver.\n");
goto error_platform_register;
}
@ -1791,7 +1818,7 @@ static void __exit acer_wmi_exit(void)
platform_device_unregister(acer_platform_device);
platform_driver_unregister(&acer_platform_driver);
printk(ACER_INFO "Acer Laptop WMI Extras unloaded\n");
pr_info("Acer Laptop WMI Extras unloaded\n");
return;
}

182
drivers/platform/x86/asus-laptop.c
View File

@ -29,7 +29,7 @@
* John Belmonte - ACPI code for Toshiba laptop was a good starting point.
* Eric Burghard - LED display support for W1N
* Josh Green - Light Sens support
* Thomas Tuttle - His first patch for led support was very helpfull
* Thomas Tuttle - His first patch for led support was very helpful
* Sam Lin - GPS support
*/
@ -50,6 +50,7 @@
#include <linux/input/sparse-keymap.h>
#include <linux/rfkill.h>
#include <linux/slab.h>
#include <linux/dmi.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
@ -157,46 +158,9 @@ MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
#define METHOD_BRIGHTNESS_SET "SPLV"
#define METHOD_BRIGHTNESS_GET "GPLV"
/* Backlight */
static acpi_handle lcd_switch_handle;
static char *lcd_switch_paths[] = {
"\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */
"\\_SB.PCI0.ISA.EC0._Q10", /* A1x */
"\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */
"\\_SB.PCI0.PX40.EC0.Q10", /* M1A */
"\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */
"\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */
"\\_SB.PCI0.PX40.Q10", /* S1x */
"\\Q10"}; /* A2x, L2D, L3D, M2E */
/* Display */
#define METHOD_SWITCH_DISPLAY "SDSP"
static acpi_handle display_get_handle;
static char *display_get_paths[] = {
/* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */
"\\_SB.PCI0.P0P1.VGA.GETD",
/* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */
"\\_SB.PCI0.P0P2.VGA.GETD",
/* A6V A6Q */
"\\_SB.PCI0.P0P3.VGA.GETD",
/* A6T, A6M */
"\\_SB.PCI0.P0PA.VGA.GETD",
/* L3C */
"\\_SB.PCI0.PCI1.VGAC.NMAP",
/* Z96F */
"\\_SB.PCI0.VGA.GETD",
/* A2D */
"\\ACTD",
/* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */
"\\ADVG",
/* P30 */
"\\DNXT",
/* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */
"\\INFB",
/* A3F A6F A3N A3L M6N W3N W6A */
"\\SSTE"};
#define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */
#define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */
@ -246,7 +210,6 @@ struct asus_laptop {
int wireless_status;
bool have_rsts;
int lcd_state;
struct rfkill *gps_rfkill;
@ -559,48 +522,6 @@ error:
/*
* Backlight device
*/
static int asus_lcd_status(struct asus_laptop *asus)
{
return asus->lcd_state;
}
static int asus_lcd_set(struct asus_laptop *asus, int value)
{
int lcd = 0;
acpi_status status = 0;
lcd = !!value;
if (lcd == asus_lcd_status(asus))
return 0;
if (!lcd_switch_handle)
return -ENODEV;
status = acpi_evaluate_object(lcd_switch_handle,
NULL, NULL, NULL);
if (ACPI_FAILURE(status)) {
pr_warning("Error switching LCD\n");
return -ENODEV;
}
asus->lcd_state = lcd;
return 0;
}
static void lcd_blank(struct asus_laptop *asus, int blank)
{
struct backlight_device *bd = asus->backlight_device;
asus->lcd_state = (blank == FB_BLANK_UNBLANK);
if (bd) {
bd->props.power = blank;
backlight_update_status(bd);
}
}
static int asus_read_brightness(struct backlight_device *bd)
{
struct asus_laptop *asus = bl_get_data(bd);
@ -628,16 +549,9 @@ static int asus_set_brightness(struct backlight_device *bd, int value)
static int update_bl_status(struct backlight_device *bd)
{
struct asus_laptop *asus = bl_get_data(bd);
int rv;
int value = bd->props.brightness;
rv = asus_set_brightness(bd, value);
if (rv)
return rv;
value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0;
return asus_lcd_set(asus, value);
return asus_set_brightness(bd, value);
}
static const struct backlight_ops asusbl_ops = {
@ -661,8 +575,7 @@ static int asus_backlight_init(struct asus_laptop *asus)
struct backlight_properties props;
if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) ||
!lcd_switch_handle)
acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
return 0;
memset(&props, 0, sizeof(struct backlight_properties));
@ -971,41 +884,6 @@ static void asus_set_display(struct asus_laptop *asus, int value)
return;
}
static int read_display(struct asus_laptop *asus)
{
unsigned long long value = 0;
acpi_status rv = AE_OK;
/*
* In most of the case, we know how to set the display, but sometime
* we can't read it
*/
if (display_get_handle) {
rv = acpi_evaluate_integer(display_get_handle, NULL,
NULL, &value);
if (ACPI_FAILURE(rv))
pr_warning("Error reading display status\n");
}
value &= 0x0F; /* needed for some models, shouldn't hurt others */
return value;
}
/*
* Now, *this* one could be more user-friendly, but so far, no-one has
* complained. The significance of bits is the same as in store_disp()
*/
static ssize_t show_disp(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct asus_laptop *asus = dev_get_drvdata(dev);
if (!display_get_handle)
return -ENODEV;
return sprintf(buf, "%d\n", read_display(asus));
}
/*
* Experimental support for display switching. As of now: 1 should activate
* the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
@ -1247,15 +1125,6 @@ static void asus_acpi_notify(struct acpi_device *device, u32 event)
struct asus_laptop *asus = acpi_driver_data(device);
u16 count;
/*
* We need to tell the backlight device when the backlight power is
* switched
*/
if (event == ATKD_LCD_ON)
lcd_blank(asus, FB_BLANK_UNBLANK);
else if (event == ATKD_LCD_OFF)
lcd_blank(asus, FB_BLANK_POWERDOWN);
/* TODO Find a better way to handle events count. */
count = asus->event_count[event % 128]++;
acpi_bus_generate_proc_event(asus->device, event, count);
@ -1282,7 +1151,7 @@ static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR,
show_bluetooth, store_bluetooth);
static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax);
static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan);
static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp);
static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp);
static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw);
@ -1393,26 +1262,6 @@ static struct platform_driver platform_driver = {
}
};
static int asus_handle_init(char *name, acpi_handle * handle,
char **paths, int num_paths)
{
int i;
acpi_status status;
for (i = 0; i < num_paths; i++) {
status = acpi_get_handle(NULL, paths[i], handle);
if (ACPI_SUCCESS(status))
return 0;
}
*handle = NULL;
return -ENODEV;
}
#define ASUS_HANDLE_INIT(object) \
asus_handle_init(#object, &object##_handle, object##_paths, \
ARRAY_SIZE(object##_paths))
/*
* This function is used to initialize the context with right values. In this
* method, we can make all the detection we want, and modify the asus_laptop
@ -1498,10 +1347,6 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
asus->have_rsts = true;
/* Scheduled for removal */
ASUS_HANDLE_INIT(lcd_switch);
ASUS_HANDLE_INIT(display_get);
kfree(model);
return AE_OK;
@ -1553,10 +1398,23 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
asus_als_level(asus, asus->light_level);
}
asus->lcd_state = 1; /* LCD should be on when the module load */
return result;
}
static void __devinit asus_dmi_check(void)
{
const char *model;
model = dmi_get_system_info(DMI_PRODUCT_NAME);
if (!model)
return;
/* On L1400B WLED control the sound card, don't mess with it ... */
if (strncmp(model, "L1400B", 6) == 0) {
wlan_status = -1;
}
}
static bool asus_device_present;
static int __devinit asus_acpi_add(struct acpi_device *device)
@ -1575,6 +1433,8 @@ static int __devinit asus_acpi_add(struct acpi_device *device)
device->driver_data = asus;
asus->device = device;
asus_dmi_check();
result = asus_acpi_init(asus);
if (result)
goto fail_platform;

98
drivers/platform/x86/asus-nb-wmi.c Normal file
View File

@ -0,0 +1,98 @@
/*
* Asus Notebooks WMI hotkey driver
*
* Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include "asus-wmi.h"
#define ASUS_NB_WMI_FILE "asus-nb-wmi"
MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>");
MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
MODULE_LICENSE("GPL");
#define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
static const struct key_entry asus_nb_wmi_keymap[] = {
{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
{ KE_KEY, 0x32, { KEY_MUTE } },
{ KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
{ KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
{ KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
{ KE_KEY, 0x41, { KEY_NEXTSONG } },
{ KE_KEY, 0x43, { KEY_STOPCD } },
{ KE_KEY, 0x45, { KEY_PLAYPAUSE } },
{ KE_KEY, 0x4c, { KEY_MEDIA } },
{ KE_KEY, 0x50, { KEY_EMAIL } },
{ KE_KEY, 0x51, { KEY_WWW } },
{ KE_KEY, 0x55, { KEY_CALC } },
{ KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
{ KE_KEY, 0x5D, { KEY_WLAN } },
{ KE_KEY, 0x5E, { KEY_WLAN } },
{ KE_KEY, 0x5F, { KEY_WLAN } },
{ KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
{ KE_KEY, 0x7E, { KEY_BLUETOOTH } },
{ KE_KEY, 0x7D, { KEY_BLUETOOTH } },
{ KE_KEY, 0x82, { KEY_CAMERA } },
{ KE_KEY, 0x88, { KEY_RFKILL } },
{ KE_KEY, 0x8A, { KEY_PROG1 } },
{ KE_KEY, 0x95, { KEY_MEDIA } },
{ KE_KEY, 0x99, { KEY_PHONE } },
{ KE_KEY, 0xb5, { KEY_CALC } },
{ KE_KEY, 0xc4, { KEY_KBDILLUMUP } },
{ KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } },
{ KE_END, 0},
};
static struct asus_wmi_driver asus_nb_wmi_driver = {
.name = ASUS_NB_WMI_FILE,
.owner = THIS_MODULE,
.event_guid = ASUS_NB_WMI_EVENT_GUID,
.keymap = asus_nb_wmi_keymap,
.input_name = "Asus WMI hotkeys",
.input_phys = ASUS_NB_WMI_FILE "/input0",
};
static int __init asus_nb_wmi_init(void)
{
return asus_wmi_register_driver(&asus_nb_wmi_driver);
}
static void __exit asus_nb_wmi_exit(void)
{
asus_wmi_unregister_driver(&asus_nb_wmi_driver);
}
module_init(asus_nb_wmi_init);
module_exit(asus_nb_wmi_exit);

1656
drivers/platform/x86/asus-wmi.c Normal file
View File

File diff suppressed because it is too large Load Diff

58
drivers/platform/x86/asus-wmi.h Normal file
View File

@ -0,0 +1,58 @@
/*
* Asus PC WMI hotkey driver
*
* Copyright(C) 2010 Intel Corporation.
* Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
*
* Portions based on wistron_btns.c:
* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
* Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
* Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _ASUS_WMI_H_
#define _ASUS_WMI_H_
#include <linux/platform_device.h>
struct module;
struct key_entry;
struct asus_wmi;
struct asus_wmi_driver {
bool hotplug_wireless;
const char *name;
struct module *owner;
const char *event_guid;
const struct key_entry *keymap;
const char *input_name;
const char *input_phys;
int (*probe) (struct platform_device *device);
void (*quirks) (struct asus_wmi_driver *driver);
struct platform_driver platform_driver;
struct platform_device *platform_device;
};
int asus_wmi_register_driver(struct asus_wmi_driver *driver);
void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
#endif /* !_ASUS_WMI_H_ */

8
drivers/platform/x86/compal-laptop.c
View File

@ -201,7 +201,7 @@ static bool extra_features;
* into 0x4F and read a few bytes from the output, like so:
* u8 writeData = 0x33;
* ec_transaction(0x4F, &writeData, 1, buffer, 32, 0);
* That address is labled "fan1 table information" in the service manual.
* That address is labelled "fan1 table information" in the service manual.
* It should be clear which value in 'buffer' changes). This seems to be
* related to fan speed. It isn't a proper 'realtime' fan speed value
* though, because physically stopping or speeding up the fan doesn't
@ -275,7 +275,7 @@ static int set_backlight_level(int level)
ec_write(BACKLIGHT_LEVEL_ADDR, level);
return 1;
return 0;
}
static int get_backlight_level(void)
@ -763,7 +763,7 @@ static int dmi_check_cb(const struct dmi_system_id *id)
printk(KERN_INFO DRIVER_NAME": Identified laptop model '%s'\n",
id->ident);
extra_features = false;
return 0;
return 1;
}
static int dmi_check_cb_extra(const struct dmi_system_id *id)
@ -772,7 +772,7 @@ static int dmi_check_cb_extra(const struct dmi_system_id *id)
"enabling extra features\n",
id->ident);
extra_features = true;
return 0;
return 1;
}
static struct dmi_system_id __initdata compal_dmi_table[] = {

171
drivers/platform/x86/dell-wmi-aio.c Normal file
View File

@ -0,0 +1,171 @@
/*
* WMI hotkeys support for Dell All-In-One series
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <acpi/acpi_drivers.h>
#include <linux/acpi.h>
#include <linux/string.h>
MODULE_DESCRIPTION("WMI hotkeys driver for Dell All-In-One series");
MODULE_LICENSE("GPL");
#define EVENT_GUID1 "284A0E6B-380E-472A-921F-E52786257FB4"
#define EVENT_GUID2 "02314822-307C-4F66-BF0E-48AEAEB26CC8"
static const char *dell_wmi_aio_guids[] = {
EVENT_GUID1,
EVENT_GUID2,
NULL
};
MODULE_ALIAS("wmi:"EVENT_GUID1);
MODULE_ALIAS("wmi:"EVENT_GUID2);
static const struct key_entry dell_wmi_aio_keymap[] = {
{ KE_KEY, 0xc0, { KEY_VOLUMEUP } },
{ KE_KEY, 0xc1, { KEY_VOLUMEDOWN } },
{ KE_END, 0 }
};
static struct input_dev *dell_wmi_aio_input_dev;
static void dell_wmi_aio_notify(u32 value, void *context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
pr_info("bad event status 0x%x\n", status);
return;
}
obj = (union acpi_object *)response.pointer;
if (obj) {
unsigned int scancode;
switch (obj->type) {
case ACPI_TYPE_INTEGER:
/* Most All-In-One correctly return integer scancode */
scancode = obj->integer.value;
sparse_keymap_report_event(dell_wmi_aio_input_dev,
scancode, 1, true);
break;
case ACPI_TYPE_BUFFER:
/* Broken machines return the scancode in a buffer */
if (obj->buffer.pointer && obj->buffer.length > 0) {
scancode = obj->buffer.pointer[0];
sparse_keymap_report_event(
dell_wmi_aio_input_dev,
scancode, 1, true);
}
break;
}
}
kfree(obj);
}
static int __init dell_wmi_aio_input_setup(void)
{
int err;
dell_wmi_aio_input_dev = input_allocate_device();
if (!dell_wmi_aio_input_dev)
return -ENOMEM;
dell_wmi_aio_input_dev->name = "Dell AIO WMI hotkeys";
dell_wmi_aio_input_dev->phys = "wmi/input0";
dell_wmi_aio_input_dev->id.bustype = BUS_HOST;
err = sparse_keymap_setup(dell_wmi_aio_input_dev,
dell_wmi_aio_keymap, NULL);
if (err) {
pr_err("Unable to setup input device keymap\n");
goto err_free_dev;
}
err = input_register_device(dell_wmi_aio_input_dev);
if (err) {
pr_info("Unable to register input device\n");
goto err_free_keymap;
}
return 0;
err_free_keymap:
sparse_keymap_free(dell_wmi_aio_input_dev);
err_free_dev:
input_free_device(dell_wmi_aio_input_dev);
return err;
}
static const char *dell_wmi_aio_find(void)
{
int i;
for (i = 0; dell_wmi_aio_guids[i] != NULL; i++)
if (wmi_has_guid(dell_wmi_aio_guids[i]))
return dell_wmi_aio_guids[i];
return NULL;
}
static int __init dell_wmi_aio_init(void)
{
int err;
const char *guid;
guid = dell_wmi_aio_find();
if (!guid) {
pr_warning("No known WMI GUID found\n");
return -ENXIO;
}
err = dell_wmi_aio_input_setup();
if (err)
return err;
err = wmi_install_notify_handler(guid, dell_wmi_aio_notify, NULL);
if (err) {
pr_err("Unable to register notify handler - %d\n", err);
sparse_keymap_free(dell_wmi_aio_input_dev);
input_unregister_device(dell_wmi_aio_input_dev);
return err;
}
return 0;
}
static void __exit dell_wmi_aio_exit(void)
{
const char *guid;
guid = dell_wmi_aio_find();
wmi_remove_notify_handler(guid);
sparse_keymap_free(dell_wmi_aio_input_dev);
input_unregister_device(dell_wmi_aio_input_dev);
}
module_init(dell_wmi_aio_init);
module_exit(dell_wmi_aio_exit);

2
drivers/platform/x86/eeepc-laptop.c
View File

@ -1322,7 +1322,7 @@ static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name)
{
int dummy;
/* Some BIOSes do not report cm although it is avaliable.
/* Some BIOSes do not report cm although it is available.
Check if cm_getv[cm] works and, if yes, assume cm should be set. */
if (!(eeepc->cm_supported & (1 << cm))
&& !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) {

918
drivers/platform/x86/eeepc-wmi.c
View File

@ -2,7 +2,7 @@
* Eee PC WMI hotkey driver
*
* Copyright(C) 2010 Intel Corporation.
* Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
* Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
*
* Portions based on wistron_btns.c:
* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
@ -29,841 +29,57 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <linux/fb.h>
#include <linux/backlight.h>
#include <linux/leds.h>
#include <linux/rfkill.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/platform_device.h>
#include <linux/dmi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include "asus-wmi.h"
#define EEEPC_WMI_FILE "eeepc-wmi"
MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>");
MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver");
MODULE_LICENSE("GPL");
#define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */
#define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000"
#define EEEPC_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID);
MODULE_ALIAS("wmi:"EEEPC_WMI_MGMT_GUID);
#define NOTIFY_BRNUP_MIN 0x11
#define NOTIFY_BRNUP_MAX 0x1f
#define NOTIFY_BRNDOWN_MIN 0x20
#define NOTIFY_BRNDOWN_MAX 0x2e
static bool hotplug_wireless;
#define EEEPC_WMI_METHODID_DEVS 0x53564544
#define EEEPC_WMI_METHODID_DSTS 0x53544344
#define EEEPC_WMI_METHODID_CFVS 0x53564643
#define EEEPC_WMI_DEVID_BACKLIGHT 0x00050012
#define EEEPC_WMI_DEVID_TPDLED 0x00100011
#define EEEPC_WMI_DEVID_WLAN 0x00010011
#define EEEPC_WMI_DEVID_BLUETOOTH 0x00010013
#define EEEPC_WMI_DEVID_WWAN3G 0x00010019
module_param(hotplug_wireless, bool, 0444);
MODULE_PARM_DESC(hotplug_wireless,
"Enable hotplug for wireless device. "
"If your laptop needs that, please report to "
"acpi4asus-user@lists.sourceforge.net.");
static const struct key_entry eeepc_wmi_keymap[] = {
/* Sleep already handled via generic ACPI code */
{ KE_KEY, 0x5d, { KEY_WLAN } },
{ KE_KEY, 0x32, { KEY_MUTE } },
{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
{ KE_IGNORE, NOTIFY_BRNDOWN_MIN, { KEY_BRIGHTNESSDOWN } },
{ KE_IGNORE, NOTIFY_BRNUP_MIN, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
{ KE_KEY, 0x32, { KEY_MUTE } },
{ KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */
{ KE_KEY, 0x5d, { KEY_WLAN } },
{ KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */
{ KE_KEY, 0x82, { KEY_CAMERA } },
{ KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
{ KE_KEY, 0x88, { KEY_WLAN } },
{ KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
{ KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */
{ KE_KEY, 0xe1, { KEY_F14 } },
{ KE_KEY, 0xe9, { KEY_DISPLAY_OFF } },
{ KE_KEY, 0xe0, { KEY_PROG1 } },
{ KE_KEY, 0x5c, { KEY_F15 } },
{ KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
{ KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
{ KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
{ KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
{ KE_KEY, 0xec, { KEY_CAMERA_UP } },
{ KE_KEY, 0xed, { KEY_CAMERA_DOWN } },
{ KE_KEY, 0xee, { KEY_CAMERA_LEFT } },
{ KE_KEY, 0xef, { KEY_CAMERA_RIGHT } },
{ KE_END, 0},
};
struct bios_args {
u32 dev_id;
u32 ctrl_param;
};
/*
* eeepc-wmi/ - debugfs root directory
* dev_id - current dev_id
* ctrl_param - current ctrl_param
* devs - call DEVS(dev_id, ctrl_param) and print result
* dsts - call DSTS(dev_id) and print result
*/
struct eeepc_wmi_debug {
struct dentry *root;
u32 dev_id;
u32 ctrl_param;
};
struct eeepc_wmi {
struct input_dev *inputdev;
struct backlight_device *backlight_device;
struct platform_device *platform_device;
struct led_classdev tpd_led;
int tpd_led_wk;
struct workqueue_struct *led_workqueue;
struct work_struct tpd_led_work;
struct rfkill *wlan_rfkill;
struct rfkill *bluetooth_rfkill;
struct rfkill *wwan3g_rfkill;
struct eeepc_wmi_debug debug;
};
/* Only used in eeepc_wmi_init() and eeepc_wmi_exit() */
static struct platform_device *platform_device;
static int eeepc_wmi_input_init(struct eeepc_wmi *eeepc)
{
int err;
eeepc->inputdev = input_allocate_device();
if (!eeepc->inputdev)
return -ENOMEM;
eeepc->inputdev->name = "Eee PC WMI hotkeys";
eeepc->inputdev->phys = EEEPC_WMI_FILE "/input0";
eeepc->inputdev->id.bustype = BUS_HOST;
eeepc->inputdev->dev.parent = &eeepc->platform_device->dev;
err = sparse_keymap_setup(eeepc->inputdev, eeepc_wmi_keymap, NULL);
if (err)
goto err_free_dev;
err = input_register_device(eeepc->inputdev);
if (err)
goto err_free_keymap;
return 0;
err_free_keymap:
sparse_keymap_free(eeepc->inputdev);
err_free_dev:
input_free_device(eeepc->inputdev);
return err;
}
static void eeepc_wmi_input_exit(struct eeepc_wmi *eeepc)
{
if (eeepc->inputdev) {
sparse_keymap_free(eeepc->inputdev);
input_unregister_device(eeepc->inputdev);
}
eeepc->inputdev = NULL;
}
static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *retval)
{
struct acpi_buffer input = { (acpi_size)sizeof(u32), &dev_id };
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
u32 tmp;
status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID,
1, EEEPC_WMI_METHODID_DSTS, &input, &output);
if (ACPI_FAILURE(status))
return status;
obj = (union acpi_object *)output.pointer;
if (obj && obj->type == ACPI_TYPE_INTEGER)
tmp = (u32)obj->integer.value;
else
tmp = 0;
if (retval)
*retval = tmp;
kfree(obj);
return status;
}
static acpi_status eeepc_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
u32 *retval)
{
struct bios_args args = {
.dev_id = dev_id,
.ctrl_param = ctrl_param,
};
struct acpi_buffer input = { (acpi_size)sizeof(args), &args };
acpi_status status;
if (!retval) {
status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, 1,
EEEPC_WMI_METHODID_DEVS,
&input, NULL);
} else {
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
u32 tmp;
status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, 1,
EEEPC_WMI_METHODID_DEVS,
&input, &output);
if (ACPI_FAILURE(status))
return status;
obj = (union acpi_object *)output.pointer;
if (obj && obj->type == ACPI_TYPE_INTEGER)
tmp = (u32)obj->integer.value;
else
tmp = 0;
*retval = tmp;
kfree(obj);
}
return status;
}
/*
* LEDs
*/
/*
* These functions actually update the LED's, and are called from a
* workqueue. By doing this as separate work rather than when the LED
* subsystem asks, we avoid messing with the Eeepc ACPI stuff during a
* potentially bad time, such as a timer interrupt.
*/
static void tpd_led_update(struct work_struct *work)
{
int ctrl_param;
struct eeepc_wmi *eeepc;
eeepc = container_of(work, struct eeepc_wmi, tpd_led_work);
ctrl_param = eeepc->tpd_led_wk;
eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_TPDLED, ctrl_param, NULL);
}
static void tpd_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct eeepc_wmi *eeepc;
eeepc = container_of(led_cdev, struct eeepc_wmi, tpd_led);
eeepc->tpd_led_wk = !!value;
queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work);
}
static int read_tpd_state(struct eeepc_wmi *eeepc)
{
u32 retval;
acpi_status status;
status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_TPDLED, &retval);
if (ACPI_FAILURE(status))
return -1;
else if (!retval || retval == 0x00060000)
/*
* if touchpad led is present, DSTS will set some bits,
* usually 0x00020000.
* 0x00060000 means that the device is not supported
*/
return -ENODEV;
else
/* Status is stored in the first bit */
return retval & 0x1;
}
static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
{
struct eeepc_wmi *eeepc;
eeepc = container_of(led_cdev, struct eeepc_wmi, tpd_led);
return read_tpd_state(eeepc);
}
static int eeepc_wmi_led_init(struct eeepc_wmi *eeepc)
{
int rv;
if (read_tpd_state(eeepc) < 0)
return 0;
eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue");
if (!eeepc->led_workqueue)
return -ENOMEM;
INIT_WORK(&eeepc->tpd_led_work, tpd_led_update);
eeepc->tpd_led.name = "eeepc::touchpad";
eeepc->tpd_led.brightness_set = tpd_led_set;
eeepc->tpd_led.brightness_get = tpd_led_get;
eeepc->tpd_led.max_brightness = 1;
rv = led_classdev_register(&eeepc->platform_device->dev,
&eeepc->tpd_led);
if (rv) {
destroy_workqueue(eeepc->led_workqueue);
return rv;
}
return 0;
}
static void eeepc_wmi_led_exit(struct eeepc_wmi *eeepc)
{
if (eeepc->tpd_led.dev)
led_classdev_unregister(&eeepc->tpd_led);
if (eeepc->led_workqueue)
destroy_workqueue(eeepc->led_workqueue);
}
/*
* Rfkill devices
*/
static int eeepc_rfkill_set(void *data, bool blocked)
{
int dev_id = (unsigned long)data;
u32 ctrl_param = !blocked;
return eeepc_wmi_set_devstate(dev_id, ctrl_param, NULL);
}
static void eeepc_rfkill_query(struct rfkill *rfkill, void *data)
{
int dev_id = (unsigned long)data;
u32 retval;
acpi_status status;
status = eeepc_wmi_get_devstate(dev_id, &retval);
if (ACPI_FAILURE(status))
return ;
rfkill_set_sw_state(rfkill, !(retval & 0x1));
}
static const struct rfkill_ops eeepc_rfkill_ops = {
.set_block = eeepc_rfkill_set,
.query = eeepc_rfkill_query,
};
static int eeepc_new_rfkill(struct eeepc_wmi *eeepc,
struct rfkill **rfkill,
const char *name,
enum rfkill_type type, int dev_id)
{
int result;
u32 retval;
acpi_status status;
status = eeepc_wmi_get_devstate(dev_id, &retval);
if (ACPI_FAILURE(status))
return -1;
/* If the device is present, DSTS will always set some bits
* 0x00070000 - 1110000000000000000 - device supported
* 0x00060000 - 1100000000000000000 - not supported
* 0x00020000 - 0100000000000000000 - device supported
* 0x00010000 - 0010000000000000000 - not supported / special mode ?
*/
if (!retval || retval == 0x00060000)
return -ENODEV;
*rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type,
&eeepc_rfkill_ops, (void *)(long)dev_id);
if (!*rfkill)
return -EINVAL;
rfkill_init_sw_state(*rfkill, !(retval & 0x1));
result = rfkill_register(*rfkill);
if (result) {
rfkill_destroy(*rfkill);
*rfkill = NULL;
return result;
}
return 0;
}
static void eeepc_wmi_rfkill_exit(struct eeepc_wmi *eeepc)
{
if (eeepc->wlan_rfkill) {
rfkill_unregister(eeepc->wlan_rfkill);
rfkill_destroy(eeepc->wlan_rfkill);
eeepc->wlan_rfkill = NULL;
}
if (eeepc->bluetooth_rfkill) {
rfkill_unregister(eeepc->bluetooth_rfkill);
rfkill_destroy(eeepc->bluetooth_rfkill);
eeepc->bluetooth_rfkill = NULL;
}
if (eeepc->wwan3g_rfkill) {
rfkill_unregister(eeepc->wwan3g_rfkill);
rfkill_destroy(eeepc->wwan3g_rfkill);
eeepc->wwan3g_rfkill = NULL;
}
}
static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc)
{
int result = 0;
result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill,
"eeepc-wlan", RFKILL_TYPE_WLAN,
EEEPC_WMI_DEVID_WLAN);
if (result && result != -ENODEV)
goto exit;
result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill,
"eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH,
EEEPC_WMI_DEVID_BLUETOOTH);
if (result && result != -ENODEV)
goto exit;
result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill,
"eeepc-wwan3g", RFKILL_TYPE_WWAN,
EEEPC_WMI_DEVID_WWAN3G);
if (result && result != -ENODEV)
goto exit;
exit:
if (result && result != -ENODEV)
eeepc_wmi_rfkill_exit(eeepc);
if (result == -ENODEV)
result = 0;
return result;
}
/*
* Backlight
*/
static int read_brightness(struct backlight_device *bd)
{
u32 retval;
acpi_status status;
status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_BACKLIGHT, &retval);
if (ACPI_FAILURE(status))
return -1;
else
return retval & 0xFF;
}
static int update_bl_status(struct backlight_device *bd)
{
u32 ctrl_param;
acpi_status status;
ctrl_param = bd->props.brightness;
status = eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_BACKLIGHT,
ctrl_param, NULL);
if (ACPI_FAILURE(status))
return -1;
else
return 0;
}
static const struct backlight_ops eeepc_wmi_bl_ops = {
.get_brightness = read_brightness,
.update_status = update_bl_status,
};
static int eeepc_wmi_backlight_notify(struct eeepc_wmi *eeepc, int code)
{
struct backlight_device *bd = eeepc->backlight_device;
int old = bd->props.brightness;
int new = old;
if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
new = code - NOTIFY_BRNUP_MIN + 1;
else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
new = code - NOTIFY_BRNDOWN_MIN;
bd->props.brightness = new;
backlight_update_status(bd);
backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
return old;
}
static int eeepc_wmi_backlight_init(struct eeepc_wmi *eeepc)
{
struct backlight_device *bd;
struct backlight_properties props;
memset(&props, 0, sizeof(struct backlight_properties));
props.max_brightness = 15;
bd = backlight_device_register(EEEPC_WMI_FILE,
&eeepc->platform_device->dev, eeepc,
&eeepc_wmi_bl_ops, &props);
if (IS_ERR(bd)) {
pr_err("Could not register backlight device\n");
return PTR_ERR(bd);
}
eeepc->backlight_device = bd;
bd->props.brightness = read_brightness(bd);
bd->props.power = FB_BLANK_UNBLANK;
backlight_update_status(bd);
return 0;
}
static void eeepc_wmi_backlight_exit(struct eeepc_wmi *eeepc)
{
if (eeepc->backlight_device)
backlight_device_unregister(eeepc->backlight_device);
eeepc->backlight_device = NULL;
}
static void eeepc_wmi_notify(u32 value, void *context)
{
struct eeepc_wmi *eeepc = context;
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
int code;
int orig_code;
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
pr_err("bad event status 0x%x\n", status);
return;
}
obj = (union acpi_object *)response.pointer;
if (obj && obj->type == ACPI_TYPE_INTEGER) {
code = obj->integer.value;
orig_code = code;
if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
code = NOTIFY_BRNUP_MIN;
else if (code >= NOTIFY_BRNDOWN_MIN &&
code <= NOTIFY_BRNDOWN_MAX)
code = NOTIFY_BRNDOWN_MIN;
if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) {
if (!acpi_video_backlight_support())
eeepc_wmi_backlight_notify(eeepc, orig_code);
}
if (!sparse_keymap_report_event(eeepc->inputdev,
code, 1, true))
pr_info("Unknown key %x pressed\n", code);
}
kfree(obj);
}
static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int value;
struct acpi_buffer input = { (acpi_size)sizeof(value), &value };
acpi_status status;
if (!count || sscanf(buf, "%i", &value) != 1)
return -EINVAL;
if (value < 0 || value > 2)
return -EINVAL;
status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID,
1, EEEPC_WMI_METHODID_CFVS, &input, NULL);
if (ACPI_FAILURE(status))
return -EIO;
else
return count;
}
static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);
static struct attribute *platform_attributes[] = {
&dev_attr_cpufv.attr,
NULL
};
static struct attribute_group platform_attribute_group = {
.attrs = platform_attributes
};
static void eeepc_wmi_sysfs_exit(struct platform_device *device)
{
sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
}
static int eeepc_wmi_sysfs_init(struct platform_device *device)
{
return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
}
/*
* Platform device
*/
static int __init eeepc_wmi_platform_init(struct eeepc_wmi *eeepc)
{
int err;
eeepc->platform_device = platform_device_alloc(EEEPC_WMI_FILE, -1);
if (!eeepc->platform_device)
return -ENOMEM;
platform_set_drvdata(eeepc->platform_device, eeepc);
err = platform_device_add(eeepc->platform_device);
if (err)
goto fail_platform_device;
err = eeepc_wmi_sysfs_init(eeepc->platform_device);
if (err)
goto fail_sysfs;
return 0;
fail_sysfs:
platform_device_del(eeepc->platform_device);
fail_platform_device:
platform_device_put(eeepc->platform_device);
return err;
}
static void eeepc_wmi_platform_exit(struct eeepc_wmi *eeepc)
{
eeepc_wmi_sysfs_exit(eeepc->platform_device);
platform_device_unregister(eeepc->platform_device);
}
/*
* debugfs
*/
struct eeepc_wmi_debugfs_node {
struct eeepc_wmi *eeepc;
char *name;
int (*show)(struct seq_file *m, void *data);
};
static int show_dsts(struct seq_file *m, void *data)
{
struct eeepc_wmi *eeepc = m->private;
acpi_status status;
u32 retval = -1;
status = eeepc_wmi_get_devstate(eeepc->debug.dev_id, &retval);
if (ACPI_FAILURE(status))
return -EIO;
seq_printf(m, "DSTS(%x) = %x\n", eeepc->debug.dev_id, retval);
return 0;
}
static int show_devs(struct seq_file *m, void *data)
{
struct eeepc_wmi *eeepc = m->private;
acpi_status status;
u32 retval = -1;
status = eeepc_wmi_set_devstate(eeepc->debug.dev_id,
eeepc->debug.ctrl_param, &retval);
if (ACPI_FAILURE(status))
return -EIO;
seq_printf(m, "DEVS(%x, %x) = %x\n", eeepc->debug.dev_id,
eeepc->debug.ctrl_param, retval);
return 0;
}
static struct eeepc_wmi_debugfs_node eeepc_wmi_debug_files[] = {
{ NULL, "devs", show_devs },
{ NULL, "dsts", show_dsts },
};
static int eeepc_wmi_debugfs_open(struct inode *inode, struct file *file)
{
struct eeepc_wmi_debugfs_node *node = inode->i_private;
return single_open(file, node->show, node->eeepc);
}
static const struct file_operations eeepc_wmi_debugfs_io_ops = {
.owner = THIS_MODULE,
.open = eeepc_wmi_debugfs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void eeepc_wmi_debugfs_exit(struct eeepc_wmi *eeepc)
{
debugfs_remove_recursive(eeepc->debug.root);
}
static int eeepc_wmi_debugfs_init(struct eeepc_wmi *eeepc)
{
struct dentry *dent;
int i;
eeepc->debug.root = debugfs_create_dir(EEEPC_WMI_FILE, NULL);
if (!eeepc->debug.root) {
pr_err("failed to create debugfs directory");
goto error_debugfs;
}
dent = debugfs_create_x32("dev_id", S_IRUGO|S_IWUSR,
eeepc->debug.root, &eeepc->debug.dev_id);
if (!dent)
goto error_debugfs;
dent = debugfs_create_x32("ctrl_param", S_IRUGO|S_IWUSR,
eeepc->debug.root, &eeepc->debug.ctrl_param);
if (!dent)
goto error_debugfs;
for (i = 0; i < ARRAY_SIZE(eeepc_wmi_debug_files); i++) {
struct eeepc_wmi_debugfs_node *node = &eeepc_wmi_debug_files[i];
node->eeepc = eeepc;
dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO,
eeepc->debug.root, node,
&eeepc_wmi_debugfs_io_ops);
if (!dent) {
pr_err("failed to create debug file: %s\n", node->name);
goto error_debugfs;
}
}
return 0;
error_debugfs:
eeepc_wmi_debugfs_exit(eeepc);
return -ENOMEM;
}
/*
* WMI Driver
*/
static struct platform_device * __init eeepc_wmi_add(void)
{
struct eeepc_wmi *eeepc;
acpi_status status;
int err;
eeepc = kzalloc(sizeof(struct eeepc_wmi), GFP_KERNEL);
if (!eeepc)
return ERR_PTR(-ENOMEM);
/*
* Register the platform device first. It is used as a parent for the
* sub-devices below.
*/
err = eeepc_wmi_platform_init(eeepc);
if (err)
goto fail_platform;
err = eeepc_wmi_input_init(eeepc);
if (err)
goto fail_input;
err = eeepc_wmi_led_init(eeepc);
if (err)
goto fail_leds;
err = eeepc_wmi_rfkill_init(eeepc);
if (err)
goto fail_rfkill;
if (!acpi_video_backlight_support()) {
err = eeepc_wmi_backlight_init(eeepc);
if (err)
goto fail_backlight;
} else
pr_info("Backlight controlled by ACPI video driver\n");
status = wmi_install_notify_handler(EEEPC_WMI_EVENT_GUID,
eeepc_wmi_notify, eeepc);
if (ACPI_FAILURE(status)) {
pr_err("Unable to register notify handler - %d\n",
status);
err = -ENODEV;
goto fail_wmi_handler;
}
err = eeepc_wmi_debugfs_init(eeepc);
if (err)
goto fail_debugfs;
return eeepc->platform_device;
fail_debugfs:
wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID);
fail_wmi_handler:
eeepc_wmi_backlight_exit(eeepc);
fail_backlight:
eeepc_wmi_rfkill_exit(eeepc);
fail_rfkill:
eeepc_wmi_led_exit(eeepc);
fail_leds:
eeepc_wmi_input_exit(eeepc);
fail_input:
eeepc_wmi_platform_exit(eeepc);
fail_platform:
kfree(eeepc);
return ERR_PTR(err);
}
static int eeepc_wmi_remove(struct platform_device *device)
{
struct eeepc_wmi *eeepc;
eeepc = platform_get_drvdata(device);
wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID);
eeepc_wmi_backlight_exit(eeepc);
eeepc_wmi_input_exit(eeepc);
eeepc_wmi_led_exit(eeepc);
eeepc_wmi_rfkill_exit(eeepc);
eeepc_wmi_debugfs_exit(eeepc);
eeepc_wmi_platform_exit(eeepc);
kfree(eeepc);
return 0;
}
static struct platform_driver platform_driver = {
.driver = {
.name = EEEPC_WMI_FILE,
.owner = THIS_MODULE,
},
};
static acpi_status __init eeepc_wmi_parse_device(acpi_handle handle, u32 level,
static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level,
void *context, void **retval)
{
pr_warning("Found legacy ATKD device (%s)", EEEPC_ACPI_HID);
@ -871,7 +87,7 @@ static acpi_status __init eeepc_wmi_parse_device(acpi_handle handle, u32 level,
return AE_CTRL_TERMINATE;
}
static int __init eeepc_wmi_check_atkd(void)
static int eeepc_wmi_check_atkd(void)
{
acpi_status status;
bool found = false;
@ -884,16 +100,8 @@ static int __init eeepc_wmi_check_atkd(void)
return -1;
}
static int __init eeepc_wmi_init(void)
static int eeepc_wmi_probe(struct platform_device *pdev)
{
int err;
if (!wmi_has_guid(EEEPC_WMI_EVENT_GUID) ||
!wmi_has_guid(EEEPC_WMI_MGMT_GUID)) {
pr_warning("No known WMI GUID found\n");
return -ENODEV;
}
if (eeepc_wmi_check_atkd()) {
pr_warning("WMI device present, but legacy ATKD device is also "
"present and enabled.");
@ -901,33 +109,59 @@ static int __init eeepc_wmi_init(void)
"acpi_osi=\"!Windows 2009\"");
pr_warning("Can't load eeepc-wmi, use default acpi_osi "
"(preferred) or eeepc-laptop");
return -ENODEV;
return -EBUSY;
}
platform_device = eeepc_wmi_add();
if (IS_ERR(platform_device)) {
err = PTR_ERR(platform_device);
goto fail_eeepc_wmi;
}
err = platform_driver_register(&platform_driver);
if (err) {
pr_warning("Unable to register platform driver\n");
goto fail_platform_driver;
}
return 0;
}
fail_platform_driver:
eeepc_wmi_remove(platform_device);
fail_eeepc_wmi:
return err;
static void eeepc_dmi_check(struct asus_wmi_driver *driver)
{
const char *model;
model = dmi_get_system_info(DMI_PRODUCT_NAME);
if (!model)
return;
/*
* Whitelist for wlan hotplug
*
* Asus 1000H needs the current hotplug code to handle
* Fn+F2 correctly. We may add other Asus here later, but
* it seems that most of the laptops supported by asus-wmi
* don't need to be on this list
*/
if (strcmp(model, "1000H") == 0) {
driver->hotplug_wireless = true;
pr_info("wlan hotplug enabled\n");
}
}
static void eeepc_wmi_quirks(struct asus_wmi_driver *driver)
{
driver->hotplug_wireless = hotplug_wireless;
eeepc_dmi_check(driver);
}
static struct asus_wmi_driver asus_wmi_driver = {
.name = EEEPC_WMI_FILE,
.owner = THIS_MODULE,
.event_guid = EEEPC_WMI_EVENT_GUID,
.keymap = eeepc_wmi_keymap,
.input_name = "Eee PC WMI hotkeys",
.input_phys = EEEPC_WMI_FILE "/input0",
.probe = eeepc_wmi_probe,
.quirks = eeepc_wmi_quirks,
};
static int __init eeepc_wmi_init(void)
{
return asus_wmi_register_driver(&asus_wmi_driver);
}
static void __exit eeepc_wmi_exit(void)
{
eeepc_wmi_remove(platform_device);
platform_driver_unregister(&platform_driver);
asus_wmi_unregister_driver(&asus_wmi_driver);
}
module_init(eeepc_wmi_init);

312
drivers/platform/x86/hp-wmi.c
View File

@ -2,6 +2,7 @@
* HP WMI hotkeys
*
* Copyright (C) 2008 Red Hat <mjg@redhat.com>
* Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi>
*
* Portions based on wistron_btns.c:
* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
@ -51,6 +52,7 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
#define HPWMI_HARDWARE_QUERY 0x4
#define HPWMI_WIRELESS_QUERY 0x5
#define HPWMI_HOTKEY_QUERY 0xc
#define HPWMI_WIRELESS2_QUERY 0x1b
#define PREFIX "HP WMI: "
#define UNIMP "Unimplemented "
@ -86,7 +88,46 @@ struct bios_args {
struct bios_return {
u32 sigpass;
u32 return_code;
u32 value;
};
enum hp_return_value {
HPWMI_RET_WRONG_SIGNATURE = 0x02,
HPWMI_RET_UNKNOWN_COMMAND = 0x03,
HPWMI_RET_UNKNOWN_CMDTYPE = 0x04,
HPWMI_RET_INVALID_PARAMETERS = 0x05,
};
enum hp_wireless2_bits {
HPWMI_POWER_STATE = 0x01,
HPWMI_POWER_SOFT = 0x02,
HPWMI_POWER_BIOS = 0x04,
HPWMI_POWER_HARD = 0x08,
};
#define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \
!= (HPWMI_POWER_BIOS | HPWMI_POWER_HARD))
#define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT)
struct bios_rfkill2_device_state {
u8 radio_type;
u8 bus_type;
u16 vendor_id;
u16 product_id;
u16 subsys_vendor_id;
u16 subsys_product_id;
u8 rfkill_id;
u8 power;
u8 unknown[4];
};
/* 7 devices fit into the 128 byte buffer */
#define HPWMI_MAX_RFKILL2_DEVICES 7
struct bios_rfkill2_state {
u8 unknown[7];
u8 count;
u8 pad[8];
struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES];
};
static const struct key_entry hp_wmi_keymap[] = {
@ -108,6 +149,15 @@ static struct rfkill *wifi_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *wwan_rfkill;
struct rfkill2_device {
u8 id;
int num;
struct rfkill *rfkill;
};
static int rfkill2_count;
static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES];
static const struct dev_pm_ops hp_wmi_pm_ops = {
.resume = hp_wmi_resume_handler,
.restore = hp_wmi_resume_handler,
@ -129,7 +179,8 @@ static struct platform_driver hp_wmi_driver = {
* query: The commandtype -> What should be queried
* write: The command -> 0 read, 1 write, 3 ODM specific
* buffer: Buffer used as input and/or output
* buffersize: Size of buffer
* insize: Size of input buffer
* outsize: Size of output buffer
*
* returns zero on success
* an HP WMI query specific error code (which is positive)
@ -140,25 +191,29 @@ static struct platform_driver hp_wmi_driver = {
* size. E.g. Battery info query (0x7) is defined to have 1 byte input
* and 128 byte output. The caller would do:
* buffer = kzalloc(128, GFP_KERNEL);
* ret = hp_wmi_perform_query(0x7, 0, buffer, 128)
* ret = hp_wmi_perform_query(0x7, 0, buffer, 1, 128)
*/
static int hp_wmi_perform_query(int query, int write, u32 *buffer,
int buffersize)
static int hp_wmi_perform_query(int query, int write, void *buffer,
int insize, int outsize)
{
struct bios_return bios_return;
acpi_status status;
struct bios_return *bios_return;
int actual_outsize;
union acpi_object *obj;
struct bios_args args = {
.signature = 0x55434553,
.command = write ? 0x2 : 0x1,
.commandtype = query,
.datasize = buffersize,
.data = *buffer,
.datasize = insize,
.data = 0,
};
struct acpi_buffer input = { sizeof(struct bios_args), &args };
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
status = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output);
if (WARN_ON(insize > sizeof(args.data)))
return -EINVAL;
memcpy(&args.data, buffer, insize);
wmi_evaluate_method(HPWMI_BIOS_GUID, 0, 0x3, &input, &output);
obj = output.pointer;
@ -169,10 +224,26 @@ static int hp_wmi_perform_query(int query, int write, u32 *buffer,
return -EINVAL;
}
bios_return = *((struct bios_return *)obj->buffer.pointer);
bios_return = (struct bios_return *)obj->buffer.pointer;
memcpy(buffer, &bios_return.value, sizeof(bios_return.value));
if (bios_return->return_code) {
if (bios_return->return_code != HPWMI_RET_UNKNOWN_CMDTYPE)
printk(KERN_WARNING PREFIX "query 0x%x returned "
"error 0x%x\n",
query, bios_return->return_code);
kfree(obj);
return bios_return->return_code;
}
if (!outsize) {
/* ignore output data */
kfree(obj);
return 0;
}
actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return)));
memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize);
memset(buffer + actual_outsize, 0, outsize - actual_outsize);
kfree(obj);
return 0;
}
@ -181,7 +252,7 @@ static int hp_wmi_display_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state,
sizeof(state));
sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
return state;
@ -191,7 +262,7 @@ static int hp_wmi_hddtemp_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state,
sizeof(state));
sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
return state;
@ -201,7 +272,7 @@ static int hp_wmi_als_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state,
sizeof(state));
sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
return state;
@ -211,7 +282,7 @@ static int hp_wmi_dock_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
sizeof(state));
sizeof(state), sizeof(state));
if (ret)
return -EINVAL;
@ -223,7 +294,7 @@ static int hp_wmi_tablet_state(void)
{
int state = 0;
int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
sizeof(state));
sizeof(state), sizeof(state));
if (ret)
return ret;
@ -237,7 +308,7 @@ static int hp_wmi_set_block(void *data, bool blocked)
int ret;
ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1,
&query, sizeof(query));
&query, sizeof(query), 0);
if (ret)
return -EINVAL;
return 0;
@ -252,7 +323,8 @@ static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
int wireless = 0;
int mask;
hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0,
&wireless, sizeof(wireless));
&wireless, sizeof(wireless),
sizeof(wireless));
/* TBD: Pass error */
mask = 0x200 << (r * 8);
@ -268,7 +340,8 @@ static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
int wireless = 0;
int mask;
hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0,
&wireless, sizeof(wireless));
&wireless, sizeof(wireless),
sizeof(wireless));
/* TBD: Pass error */
mask = 0x800 << (r * 8);
@ -279,6 +352,51 @@ static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
return true;
}
static int hp_wmi_rfkill2_set_block(void *data, bool blocked)
{
int rfkill_id = (int)(long)data;
char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked };
if (hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 1,
buffer, sizeof(buffer), 0))
return -EINVAL;
return 0;
}
static const struct rfkill_ops hp_wmi_rfkill2_ops = {
.set_block = hp_wmi_rfkill2_set_block,
};
static int hp_wmi_rfkill2_refresh(void)
{
int err, i;
struct bios_rfkill2_state state;
err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state,
0, sizeof(state));
if (err)
return err;
for (i = 0; i < rfkill2_count; i++) {
int num = rfkill2[i].num;
struct bios_rfkill2_device_state *devstate;
devstate = &state.device[num];
if (num >= state.count ||
devstate->rfkill_id != rfkill2[i].id) {
printk(KERN_WARNING PREFIX "power configuration of "
"the wireless devices unexpectedly changed\n");
continue;
}
rfkill_set_states(rfkill2[i].rfkill,
IS_SWBLOCKED(devstate->power),
IS_HWBLOCKED(devstate->power));
}
return 0;
}
static ssize_t show_display(struct device *dev, struct device_attribute *attr,
char *buf)
{
@ -329,7 +447,7 @@ static ssize_t set_als(struct device *dev, struct device_attribute *attr,
{
u32 tmp = simple_strtoul(buf, NULL, 10);
int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp,
sizeof(tmp));
sizeof(tmp), sizeof(tmp));
if (ret)
return -EINVAL;
@ -402,6 +520,7 @@ static void hp_wmi_notify(u32 value, void *context)
case HPWMI_BEZEL_BUTTON:
ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
&key_code,
sizeof(key_code),
sizeof(key_code));
if (ret)
break;
@ -412,6 +531,11 @@ static void hp_wmi_notify(u32 value, void *context)
key_code);
break;
case HPWMI_WIRELESS:
if (rfkill2_count) {
hp_wmi_rfkill2_refresh();
break;
}
if (wifi_rfkill)
rfkill_set_states(wifi_rfkill,
hp_wmi_get_sw_state(HPWMI_WIFI),
@ -502,32 +626,16 @@ static void cleanup_sysfs(struct platform_device *device)
device_remove_file(&device->dev, &dev_attr_tablet);
}
static int __devinit hp_wmi_bios_setup(struct platform_device *device)
static int __devinit hp_wmi_rfkill_setup(struct platform_device *device)
{
int err;
int wireless = 0;
err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, &wireless,
sizeof(wireless));
sizeof(wireless), sizeof(wireless));
if (err)
return err;
err = device_create_file(&device->dev, &dev_attr_display);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_hddtemp);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_als);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_dock);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_tablet);
if (err)
goto add_sysfs_error;
if (wireless & 0x1) {
wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
RFKILL_TYPE_WLAN,
@ -573,14 +681,131 @@ static int __devinit hp_wmi_bios_setup(struct platform_device *device)
return 0;
register_wwan_err:
rfkill_destroy(wwan_rfkill);
wwan_rfkill = NULL;
if (bluetooth_rfkill)
rfkill_unregister(bluetooth_rfkill);
register_bluetooth_error:
rfkill_destroy(bluetooth_rfkill);
bluetooth_rfkill = NULL;
if (wifi_rfkill)
rfkill_unregister(wifi_rfkill);
register_wifi_error:
rfkill_destroy(wifi_rfkill);
wifi_rfkill = NULL;
return err;
}
static int __devinit hp_wmi_rfkill2_setup(struct platform_device *device)
{
int err, i;
struct bios_rfkill2_state state;
err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, 0, &state,
0, sizeof(state));
if (err)
return err;
if (state.count > HPWMI_MAX_RFKILL2_DEVICES) {
printk(KERN_WARNING PREFIX "unable to parse 0x1b query output\n");
return -EINVAL;
}
for (i = 0; i < state.count; i++) {
struct rfkill *rfkill;
enum rfkill_type type;
char *name;
switch (state.device[i].radio_type) {
case HPWMI_WIFI:
type = RFKILL_TYPE_WLAN;
name = "hp-wifi";
break;
case HPWMI_BLUETOOTH:
type = RFKILL_TYPE_BLUETOOTH;
name = "hp-bluetooth";
break;
case HPWMI_WWAN:
type = RFKILL_TYPE_WWAN;
name = "hp-wwan";
break;
default:
printk(KERN_WARNING PREFIX "unknown device type 0x%x\n",
state.device[i].radio_type);
continue;
}
if (!state.device[i].vendor_id) {
printk(KERN_WARNING PREFIX "zero device %d while %d "
"reported\n", i, state.count);
continue;
}
rfkill = rfkill_alloc(name, &device->dev, type,
&hp_wmi_rfkill2_ops, (void *)(long)i);
if (!rfkill) {
err = -ENOMEM;
goto fail;
}
rfkill2[rfkill2_count].id = state.device[i].rfkill_id;
rfkill2[rfkill2_count].num = i;
rfkill2[rfkill2_count].rfkill = rfkill;
rfkill_init_sw_state(rfkill,
IS_SWBLOCKED(state.device[i].power));
rfkill_set_hw_state(rfkill,
IS_HWBLOCKED(state.device[i].power));
if (!(state.device[i].power & HPWMI_POWER_BIOS))
printk(KERN_INFO PREFIX "device %s blocked by BIOS\n",
name);
err = rfkill_register(rfkill);
if (err) {
rfkill_destroy(rfkill);
goto fail;
}
rfkill2_count++;
}
return 0;
fail:
for (; rfkill2_count > 0; rfkill2_count--) {
rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill);
rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill);
}
return err;
}
static int __devinit hp_wmi_bios_setup(struct platform_device *device)
{
int err;
/* clear detected rfkill devices */
wifi_rfkill = NULL;
bluetooth_rfkill = NULL;
wwan_rfkill = NULL;
rfkill2_count = 0;
if (hp_wmi_rfkill_setup(device))
hp_wmi_rfkill2_setup(device);
err = device_create_file(&device->dev, &dev_attr_display);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_hddtemp);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_als);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_dock);
if (err)
goto add_sysfs_error;
err = device_create_file(&device->dev, &dev_attr_tablet);
if (err)
goto add_sysfs_error;
return 0;
add_sysfs_error:
cleanup_sysfs(device);
return err;
@ -588,8 +813,14 @@ add_sysfs_error:
static int __exit hp_wmi_bios_remove(struct platform_device *device)
{
int i;
cleanup_sysfs(device);
for (i = 0; i < rfkill2_count; i++) {
rfkill_unregister(rfkill2[i].rfkill);
rfkill_destroy(rfkill2[i].rfkill);
}
if (wifi_rfkill) {
rfkill_unregister(wifi_rfkill);
rfkill_destroy(wifi_rfkill);
@ -622,6 +853,9 @@ static int hp_wmi_resume_handler(struct device *device)
input_sync(hp_wmi_input_dev);
}
if (rfkill2_count)
hp_wmi_rfkill2_refresh();
if (wifi_rfkill)
rfkill_set_states(wifi_rfkill,
hp_wmi_get_sw_state(HPWMI_WIFI),

2
drivers/platform/x86/ideapad-laptop.c
View File

@ -459,6 +459,8 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
if (test_bit(vpc_bit, &vpc1)) {
if (vpc_bit == 9)
ideapad_sync_rfk_state(adevice);
else if (vpc_bit == 4)
read_ec_data(handle, 0x12, &vpc2);
else
ideapad_input_report(priv, vpc_bit);
}

2
drivers/platform/x86/intel_ips.c
View File

@ -1111,7 +1111,7 @@ static int ips_monitor(void *data)
last_msecs = jiffies_to_msecs(jiffies);
expire = jiffies + msecs_to_jiffies(IPS_SAMPLE_PERIOD);
__set_current_state(TASK_UNINTERRUPTIBLE);
__set_current_state(TASK_INTERRUPTIBLE);
mod_timer(&timer, expire);
schedule();

148
drivers/platform/x86/intel_mid_powerbtn.c Normal file
View File

@ -0,0 +1,148 @@
/*
* Power button driver for Medfield.
*
* Copyright (C) 2010 Intel Corp
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <asm/intel_scu_ipc.h>
#define DRIVER_NAME "msic_power_btn"
#define MSIC_IRQ_STAT 0x02
#define MSIC_IRQ_PB (1 << 0)
#define MSIC_PB_CONFIG 0x3e
#define MSIC_PB_STATUS 0x3f
#define MSIC_PB_LEVEL (1 << 3) /* 1 - release, 0 - press */
struct mfld_pb_priv {
struct input_dev *input;
unsigned int irq;
};
static irqreturn_t mfld_pb_isr(int irq, void *dev_id)
{
struct mfld_pb_priv *priv = dev_id;
int ret;
u8 pbstat;
ret = intel_scu_ipc_ioread8(MSIC_PB_STATUS, &pbstat);
if (ret < 0)
return IRQ_HANDLED;
input_event(priv->input, EV_KEY, KEY_POWER, !(pbstat & MSIC_PB_LEVEL));
input_sync(priv->input);
return IRQ_HANDLED;
}
static int __devinit mfld_pb_probe(struct platform_device *pdev)
{
struct mfld_pb_priv *priv;
struct input_dev *input;
int irq;
int error;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return -EINVAL;
priv = kzalloc(sizeof(struct mfld_pb_priv), GFP_KERNEL);
input = input_allocate_device();
if (!priv || !input) {
error = -ENOMEM;
goto err_free_mem;
}
priv->input = input;
priv->irq = irq;
input->name = pdev->name;
input->phys = "power-button/input0";
input->id.bustype = BUS_HOST;
input->dev.parent = &pdev->dev;
input_set_capability(input, EV_KEY, KEY_POWER);
error = request_threaded_irq(priv->irq, NULL, mfld_pb_isr,
0, DRIVER_NAME, priv);
if (error) {
dev_err(&pdev->dev,
"unable to request irq %d for mfld power button\n",
irq);
goto err_free_mem;
}
error = input_register_device(input);
if (error) {
dev_err(&pdev->dev,
"unable to register input dev, error %d\n", error);
goto err_free_irq;
}
platform_set_drvdata(pdev, priv);
return 0;
err_free_irq:
free_irq(priv->irq, priv);
err_free_mem:
input_free_device(input);
kfree(priv);
return error;
}
static int __devexit mfld_pb_remove(struct platform_device *pdev)
{
struct mfld_pb_priv *priv = platform_get_drvdata(pdev);
free_irq(priv->irq, priv);
input_unregister_device(priv->input);
kfree(priv);
platform_set_drvdata(pdev, NULL);
return 0;
}
static struct platform_driver mfld_pb_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
.probe = mfld_pb_probe,
.remove = __devexit_p(mfld_pb_remove),
};
static int __init mfld_pb_init(void)
{
return platform_driver_register(&mfld_pb_driver);
}
module_init(mfld_pb_init);
static void __exit mfld_pb_exit(void)
{
platform_driver_unregister(&mfld_pb_driver);
}
module_exit(mfld_pb_exit);
MODULE_AUTHOR("Hong Liu <hong.liu@intel.com>");
MODULE_DESCRIPTION("Intel Medfield Power Button Driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRIVER_NAME);

576
drivers/platform/x86/intel_mid_thermal.c Normal file
View File

@ -0,0 +1,576 @@
/*
* intel_mid_thermal.c - Intel MID platform thermal driver
*
* Copyright (C) 2011 Intel Corporation
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Author: Durgadoss R <durgadoss.r@intel.com>
*/
#define pr_fmt(fmt) "intel_mid_thermal: " fmt
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/param.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/pm.h>
#include <linux/thermal.h>
#include <asm/intel_scu_ipc.h>
/* Number of thermal sensors */
#define MSIC_THERMAL_SENSORS 4
/* ADC1 - thermal registers */
#define MSIC_THERM_ADC1CNTL1 0x1C0
#define MSIC_ADC_ENBL 0x10
#define MSIC_ADC_START 0x08
#define MSIC_THERM_ADC1CNTL3 0x1C2
#define MSIC_ADCTHERM_ENBL 0x04
#define MSIC_ADCRRDATA_ENBL 0x05
#define MSIC_CHANL_MASK_VAL 0x0F
#define MSIC_STOPBIT_MASK 16
#define MSIC_ADCTHERM_MASK 4
#define ADC_CHANLS_MAX 15 /* Number of ADC channels */
#define ADC_LOOP_MAX (ADC_CHANLS_MAX - MSIC_THERMAL_SENSORS)
/* ADC channel code values */
#define SKIN_SENSOR0_CODE 0x08
#define SKIN_SENSOR1_CODE 0x09
#define SYS_SENSOR_CODE 0x0A
#define MSIC_DIE_SENSOR_CODE 0x03
#define SKIN_THERM_SENSOR0 0
#define SKIN_THERM_SENSOR1 1
#define SYS_THERM_SENSOR2 2
#define MSIC_DIE_THERM_SENSOR3 3
/* ADC code range */
#define ADC_MAX 977
#define ADC_MIN 162
#define ADC_VAL0C 887
#define ADC_VAL20C 720
#define ADC_VAL40C 508
#define ADC_VAL60C 315
/* ADC base addresses */
#define ADC_CHNL_START_ADDR 0x1C5 /* increments by 1 */
#define ADC_DATA_START_ADDR 0x1D4 /* increments by 2 */
/* MSIC die attributes */
#define MSIC_DIE_ADC_MIN 488
#define MSIC_DIE_ADC_MAX 1004
/* This holds the address of the first free ADC channel,
* among the 15 channels
*/
static int channel_index;
struct platform_info {
struct platform_device *pdev;
struct thermal_zone_device *tzd[MSIC_THERMAL_SENSORS];
};
struct thermal_device_info {
unsigned int chnl_addr;
int direct;
/* This holds the current temperature in millidegree celsius */
long curr_temp;
};
/**
* to_msic_die_temp - converts adc_val to msic_die temperature
* @adc_val: ADC value to be converted
*
* Can sleep
*/
static int to_msic_die_temp(uint16_t adc_val)
{
return (368 * (adc_val) / 1000) - 220;
}
/**
* is_valid_adc - checks whether the adc code is within the defined range
* @min: minimum value for the sensor
* @max: maximum value for the sensor
*
* Can sleep
*/
static int is_valid_adc(uint16_t adc_val, uint16_t min, uint16_t max)
{
return (adc_val >= min) && (adc_val <= max);
}
/**
* adc_to_temp - converts the ADC code to temperature in C
* @direct: true if ths channel is direct index
* @adc_val: the adc_val that needs to be converted
* @tp: temperature return value
*
* Linear approximation is used to covert the skin adc value into temperature.
* This technique is used to avoid very long look-up table to get
* the appropriate temp value from ADC value.
* The adc code vs sensor temp curve is split into five parts
* to achieve very close approximate temp value with less than
* 0.5C error
*/
static int adc_to_temp(int direct, uint16_t adc_val, unsigned long *tp)
{
int temp;
/* Direct conversion for die temperature */
if (direct) {
if (is_valid_adc(adc_val, MSIC_DIE_ADC_MIN, MSIC_DIE_ADC_MAX)) {
*tp = to_msic_die_temp(adc_val) * 1000;
return 0;
}
return -ERANGE;
}
if (!is_valid_adc(adc_val, ADC_MIN, ADC_MAX))
return -ERANGE;
/* Linear approximation for skin temperature */
if (adc_val > ADC_VAL0C)
temp = 177 - (adc_val/5);
else if ((adc_val <= ADC_VAL0C) && (adc_val > ADC_VAL20C))
temp = 111 - (adc_val/8);
else if ((adc_val <= ADC_VAL20C) && (adc_val > ADC_VAL40C))
temp = 92 - (adc_val/10);
else if ((adc_val <= ADC_VAL40C) && (adc_val > ADC_VAL60C))
temp = 91 - (adc_val/10);
else
temp = 112 - (adc_val/6);
/* Convert temperature in celsius to milli degree celsius */
*tp = temp * 1000;
return 0;
}
/**
* mid_read_temp - read sensors for temperature
* @temp: holds the current temperature for the sensor after reading
*
* reads the adc_code from the channel and converts it to real
* temperature. The converted value is stored in temp.
*
* Can sleep
*/
static int mid_read_temp(struct thermal_zone_device *tzd, unsigned long *temp)
{
struct thermal_device_info *td_info = tzd->devdata;
uint16_t adc_val, addr;
uint8_t data = 0;
int ret;
unsigned long curr_temp;
addr = td_info->chnl_addr;
/* Enable the msic for conversion before reading */
ret = intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL3, MSIC_ADCRRDATA_ENBL);
if (ret)
return ret;
/* Re-toggle the RRDATARD bit (temporary workaround) */
ret = intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL3, MSIC_ADCTHERM_ENBL);
if (ret)
return ret;
/* Read the higher bits of data */
ret = intel_scu_ipc_ioread8(addr, &data);
if (ret)
return ret;
/* Shift bits to accomodate the lower two data bits */
adc_val = (data << 2);
addr++;
ret = intel_scu_ipc_ioread8(addr, &data);/* Read lower bits */
if (ret)
return ret;
/* Adding lower two bits to the higher bits */
data &= 03;
adc_val += data;
/* Convert ADC value to temperature */
ret = adc_to_temp(td_info->direct, adc_val, &curr_temp);
if (ret == 0)
*temp = td_info->curr_temp = curr_temp;
return ret;
}
/**
* configure_adc - enables/disables the ADC for conversion
* @val: zero: disables the ADC non-zero:enables the ADC
*
* Enable/Disable the ADC depending on the argument
*
* Can sleep
*/
static int configure_adc(int val)
{
int ret;
uint8_t data;
ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL1, &data);
if (ret)
return ret;
if (val) {
/* Enable and start the ADC */
data |= (MSIC_ADC_ENBL | MSIC_ADC_START);
} else {
/* Just stop the ADC */
data &= (~MSIC_ADC_START);
}
return intel_scu_ipc_iowrite8(MSIC_THERM_ADC1CNTL1, data);
}
/**
* set_up_therm_channel - enable thermal channel for conversion
* @base_addr: index of free msic ADC channel
*
* Enable all the three channels for conversion
*
* Can sleep
*/
static int set_up_therm_channel(u16 base_addr)
{
int ret;
/* Enable all the sensor channels */
ret = intel_scu_ipc_iowrite8(base_addr, SKIN_SENSOR0_CODE);
if (ret)
return ret;
ret = intel_scu_ipc_iowrite8(base_addr + 1, SKIN_SENSOR1_CODE);
if (ret)
return ret;
ret = intel_scu_ipc_iowrite8(base_addr + 2, SYS_SENSOR_CODE);
if (ret)
return ret;
/* Since this is the last channel, set the stop bit
to 1 by ORing the DIE_SENSOR_CODE with 0x10 */
ret = intel_scu_ipc_iowrite8(base_addr + 3,
(MSIC_DIE_SENSOR_CODE | 0x10));
if (ret)
return ret;
/* Enable ADC and start it */
return configure_adc(1);
}
/**
* reset_stopbit - sets the stop bit to 0 on the given channel
* @addr: address of the channel
*
* Can sleep
*/
static int reset_stopbit(uint16_t addr)
{
int ret;
uint8_t data;
ret = intel_scu_ipc_ioread8(addr, &data);
if (ret)
return ret;
/* Set the stop bit to zero */
return intel_scu_ipc_iowrite8(addr, (data & 0xEF));
}
/**
* find_free_channel - finds an empty channel for conversion
*
* If the ADC is not enabled then start using 0th channel
* itself. Otherwise find an empty channel by looking for a
* channel in which the stopbit is set to 1. returns the index
* of the first free channel if succeeds or an error code.
*
* Context: can sleep
*
* FIXME: Ultimately the channel allocator will move into the intel_scu_ipc
* code.
*/
static int find_free_channel(void)
{
int ret;
int i;
uint8_t data;
/* check whether ADC is enabled */
ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL1, &data);
if (ret)
return ret;
if ((data & MSIC_ADC_ENBL) == 0)
return 0;
/* ADC is already enabled; Looking for an empty channel */
for (i = 0; i < ADC_CHANLS_MAX; i++) {
ret = intel_scu_ipc_ioread8(ADC_CHNL_START_ADDR + i, &data);
if (ret)
return ret;
if (data & MSIC_STOPBIT_MASK) {
ret = i;
break;
}
}
return (ret > ADC_LOOP_MAX) ? (-EINVAL) : ret;
}
/**
* mid_initialize_adc - initializing the ADC
* @dev: our device structure
*
* Initialize the ADC for reading thermistor values. Can sleep.
*/
static int mid_initialize_adc(struct device *dev)
{
u8 data;
u16 base_addr;
int ret;
/*
* Ensure that adctherm is disabled before we
* initialize the ADC
*/
ret = intel_scu_ipc_ioread8(MSIC_THERM_ADC1CNTL3, &data);
if (ret)
return ret;
if (data & MSIC_ADCTHERM_MASK)
dev_warn(dev, "ADCTHERM already set");
/* Index of the first channel in which the stop bit is set */
channel_index = find_free_channel();
if (channel_index < 0) {
dev_err(dev, "No free ADC channels");
return channel_index;
}
base_addr = ADC_CHNL_START_ADDR + channel_index;
if (!(channel_index == 0 || channel_index == ADC_LOOP_MAX)) {
/* Reset stop bit for channels other than 0 and 12 */
ret = reset_stopbit(base_addr);
if (ret)
return ret;
/* Index of the first free channel */
base_addr++;
channel_index++;
}
ret = set_up_therm_channel(base_addr);
if (ret) {
dev_err(dev, "unable to enable ADC");
return ret;
}
dev_dbg(dev, "ADC initialization successful");
return ret;
}
/**
* initialize_sensor - sets default temp and timer ranges
* @index: index of the sensor
*
* Context: can sleep
*/
static struct thermal_device_info *initialize_sensor(int index)
{
struct thermal_device_info *td_info =
kzalloc(sizeof(struct thermal_device_info), GFP_KERNEL);
if (!td_info)
return NULL;
/* Set the base addr of the channel for this sensor */
td_info->chnl_addr = ADC_DATA_START_ADDR + 2 * (channel_index + index);
/* Sensor 3 is direct conversion */
if (index == 3)
td_info->direct = 1;
return td_info;
}
/**
* mid_thermal_resume - resume routine
* @pdev: platform device structure
*
* mid thermal resume: re-initializes the adc. Can sleep.
*/
static int mid_thermal_resume(struct platform_device *pdev)
{
return mid_initialize_adc(&pdev->dev);
}
/**
* mid_thermal_suspend - suspend routine
* @pdev: platform device structure
*
* mid thermal suspend implements the suspend functionality
* by stopping the ADC. Can sleep.
*/
static int mid_thermal_suspend(struct platform_device *pdev, pm_message_t mesg)
{
/*
* This just stops the ADC and does not disable it.
* temporary workaround until we have a generic ADC driver.
* If 0 is passed, it disables the ADC.
*/
return configure_adc(0);
}
/**
* read_curr_temp - reads the current temperature and stores in temp
* @temp: holds the current temperature value after reading
*
* Can sleep
*/
static int read_curr_temp(struct thermal_zone_device *tzd, unsigned long *temp)
{
WARN_ON(tzd == NULL);
return mid_read_temp(tzd, temp);
}
/* Can't be const */
static struct thermal_zone_device_ops tzd_ops = {
.get_temp = read_curr_temp,
};
/**
* mid_thermal_probe - mfld thermal initialize
* @pdev: platform device structure
*
* mid thermal probe initializes the hardware and registers
* all the sensors with the generic thermal framework. Can sleep.
*/
static int mid_thermal_probe(struct platform_device *pdev)
{
static char *name[MSIC_THERMAL_SENSORS] = {
"skin0", "skin1", "sys", "msicdie"
};
int ret;
int i;
struct platform_info *pinfo;
pinfo = kzalloc(sizeof(struct platform_info), GFP_KERNEL);
if (!pinfo)
return -ENOMEM;
/* Initializing the hardware */
ret = mid_initialize_adc(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "ADC init failed");
kfree(pinfo);
return ret;
}
/* Register each sensor with the generic thermal framework*/
for (i = 0; i < MSIC_THERMAL_SENSORS; i++) {
pinfo->tzd[i] = thermal_zone_device_register(name[i],
0, initialize_sensor(i),
&tzd_ops, 0, 0, 0, 0);
if (IS_ERR(pinfo->tzd[i]))
goto reg_fail;
}
pinfo->pdev = pdev;
platform_set_drvdata(pdev, pinfo);
return 0;
reg_fail:
ret = PTR_ERR(pinfo->tzd[i]);
while (--i >= 0)
thermal_zone_device_unregister(pinfo->tzd[i]);
configure_adc(0);
kfree(pinfo);
return ret;
}
/**
* mid_thermal_remove - mfld thermal finalize
* @dev: platform device structure
*
* MLFD thermal remove unregisters all the sensors from the generic
* thermal framework. Can sleep.
*/
static int mid_thermal_remove(struct platform_device *pdev)
{
int i;
struct platform_info *pinfo = platform_get_drvdata(pdev);
for (i = 0; i < MSIC_THERMAL_SENSORS; i++)
thermal_zone_device_unregister(pinfo->tzd[i]);
platform_set_drvdata(pdev, NULL);
/* Stop the ADC */
return configure_adc(0);
}
/*********************************************************************
* Driver initialisation and finalization
*********************************************************************/
#define DRIVER_NAME "msic_sensor"
static const struct platform_device_id therm_id_table[] = {
{ DRIVER_NAME, 1 },
{ }
};
static struct platform_driver mid_thermal_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
.probe = mid_thermal_probe,
.suspend = mid_thermal_suspend,
.resume = mid_thermal_resume,
.remove = __devexit_p(mid_thermal_remove),
.id_table = therm_id_table,
};
static int __init mid_thermal_module_init(void)
{
return platform_driver_register(&mid_thermal_driver);
}
static void __exit mid_thermal_module_exit(void)
{
platform_driver_unregister(&mid_thermal_driver);
}
module_init(mid_thermal_module_init);
module_exit(mid_thermal_module_exit);
MODULE_AUTHOR("Durgadoss R <durgadoss.r@intel.com>");
MODULE_DESCRIPTION("Intel Medfield Platform Thermal Driver");
MODULE_LICENSE("GPL");

2
drivers/platform/x86/intel_rar_register.c
View File

@ -485,7 +485,7 @@ EXPORT_SYMBOL(rar_lock);
*
* The register_rar function is to used by other device drivers
* to ensure that this driver is ready. As we cannot be sure of
* the compile/execute order of drivers in ther kernel, it is
* the compile/execute order of drivers in the kernel, it is
* best to give this driver a callback function to call when
* it is ready to give out addresses. The callback function
* would have those steps that continue the initialization of

2
drivers/platform/x86/intel_scu_ipc.c
View File

@ -9,7 +9,7 @@
* as published by the Free Software Foundation; version 2
* of the License.
*
* SCU runing in ARC processor communicates with other entity running in IA
* SCU running in ARC processor communicates with other entity running in IA
* core through IPC mechanism which in turn messaging between IA core ad SCU.
* SCU has two IPC mechanism IPC-1 and IPC-2. IPC-1 is used between IA32 and
* SCU where IPC-2 is used between P-Unit and SCU. This driver delas with

95
drivers/platform/x86/msi-laptop.c
View File

@ -51,6 +51,8 @@
* laptop as MSI S270. YMMV.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@ -60,6 +62,8 @@
#include <linux/platform_device.h>
#include <linux/rfkill.h>
#include <linux/i8042.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#define MSI_DRIVER_VERSION "0.5"
@ -78,6 +82,9 @@
#define MSI_STANDARD_EC_SCM_LOAD_ADDRESS 0x2d
#define MSI_STANDARD_EC_SCM_LOAD_MASK (1 << 0)
#define MSI_STANDARD_EC_TOUCHPAD_ADDRESS 0xe4
#define MSI_STANDARD_EC_TOUCHPAD_MASK (1 << 4)
static int msi_laptop_resume(struct platform_device *device);
#define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS 0x2f
@ -90,6 +97,14 @@ static int auto_brightness;
module_param(auto_brightness, int, 0);
MODULE_PARM_DESC(auto_brightness, "Enable automatic brightness control (0: disabled; 1: enabled; 2: don't touch)");
static const struct key_entry msi_laptop_keymap[] = {
{KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} }, /* Touch Pad On */
{KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },/* Touch Pad On */
{KE_END, 0}
};
static struct input_dev *msi_laptop_input_dev;
static bool old_ec_model;
static int wlan_s, bluetooth_s, threeg_s;
static int threeg_exists;
@ -432,8 +447,7 @@ static struct platform_device *msipf_device;
static int dmi_check_cb(const struct dmi_system_id *id)
{
printk(KERN_INFO "msi-laptop: Identified laptop model '%s'.\n",
id->ident);
pr_info("Identified laptop model '%s'.\n", id->ident);
return 1;
}
@ -605,6 +619,21 @@ static void msi_update_rfkill(struct work_struct *ignored)
}
static DECLARE_DELAYED_WORK(msi_rfkill_work, msi_update_rfkill);
static void msi_send_touchpad_key(struct work_struct *ignored)
{
u8 rdata;
int result;
result = ec_read(MSI_STANDARD_EC_TOUCHPAD_ADDRESS, &rdata);
if (result < 0)
return;
sparse_keymap_report_event(msi_laptop_input_dev,
(rdata & MSI_STANDARD_EC_TOUCHPAD_MASK) ?
KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF, 1, true);
}
static DECLARE_DELAYED_WORK(msi_touchpad_work, msi_send_touchpad_key);
static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str,
struct serio *port)
{
@ -613,12 +642,17 @@ static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str,
if (str & 0x20)
return false;
/* 0x54 wwan, 0x62 bluetooth, 0x76 wlan*/
/* 0x54 wwan, 0x62 bluetooth, 0x76 wlan, 0xE4 touchpad toggle*/
if (unlikely(data == 0xe0)) {
extended = true;
return false;
} else if (unlikely(extended)) {
extended = false;
switch (data) {
case 0xE4:
schedule_delayed_work(&msi_touchpad_work,
round_jiffies_relative(0.5 * HZ));
break;
case 0x54:
case 0x62:
case 0x76:
@ -626,7 +660,6 @@ static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str,
round_jiffies_relative(0.5 * HZ));
break;
}
extended = false;
}
return false;
@ -731,6 +764,42 @@ static int msi_laptop_resume(struct platform_device *device)
return 0;
}
static int __init msi_laptop_input_setup(void)
{
int err;
msi_laptop_input_dev = input_allocate_device();
if (!msi_laptop_input_dev)
return -ENOMEM;
msi_laptop_input_dev->name = "MSI Laptop hotkeys";
msi_laptop_input_dev->phys = "msi-laptop/input0";
msi_laptop_input_dev->id.bustype = BUS_HOST;
err = sparse_keymap_setup(msi_laptop_input_dev,
msi_laptop_keymap, NULL);
if (err)
goto err_free_dev;
err = input_register_device(msi_laptop_input_dev);
if (err)
goto err_free_keymap;
return 0;
err_free_keymap:
sparse_keymap_free(msi_laptop_input_dev);
err_free_dev:
input_free_device(msi_laptop_input_dev);
return err;
}
static void msi_laptop_input_destroy(void)
{
sparse_keymap_free(msi_laptop_input_dev);
input_unregister_device(msi_laptop_input_dev);
}
static int load_scm_model_init(struct platform_device *sdev)
{
u8 data;
@ -759,16 +828,23 @@ static int load_scm_model_init(struct platform_device *sdev)
if (result < 0)
goto fail_rfkill;
/* setup input device */
result = msi_laptop_input_setup();
if (result)
goto fail_input;
result = i8042_install_filter(msi_laptop_i8042_filter);
if (result) {
printk(KERN_ERR
"msi-laptop: Unable to install key filter\n");
pr_err("Unable to install key filter\n");
goto fail_filter;
}
return 0;
fail_filter:
msi_laptop_input_destroy();
fail_input:
rfkill_cleanup();
fail_rfkill:
@ -799,7 +875,7 @@ static int __init msi_init(void)
/* Register backlight stuff */
if (acpi_video_backlight_support()) {
printk(KERN_INFO "MSI: Brightness ignored, must be controlled "
pr_info("Brightness ignored, must be controlled "
"by ACPI video driver\n");
} else {
struct backlight_properties props;
@ -854,7 +930,7 @@ static int __init msi_init(void)
if (auto_brightness != 2)
set_auto_brightness(auto_brightness);
printk(KERN_INFO "msi-laptop: driver "MSI_DRIVER_VERSION" successfully loaded.\n");
pr_info("driver "MSI_DRIVER_VERSION" successfully loaded.\n");
return 0;
@ -886,6 +962,7 @@ static void __exit msi_cleanup(void)
{
if (load_scm_model) {
i8042_remove_filter(msi_laptop_i8042_filter);
msi_laptop_input_destroy();
cancel_delayed_work_sync(&msi_rfkill_work);
rfkill_cleanup();
}
@ -901,7 +978,7 @@ static void __exit msi_cleanup(void)
if (auto_brightness != 2)
set_auto_brightness(1);
printk(KERN_INFO "msi-laptop: driver unloaded.\n");
pr_info("driver unloaded.\n");
}
module_init(msi_init);

832
drivers/platform/x86/samsung-laptop.c Normal file
View File

@ -0,0 +1,832 @@
/*
* Samsung Laptop driver
*
* Copyright (C) 2009,2011 Greg Kroah-Hartman (gregkh@suse.de)
* Copyright (C) 2009,2011 Novell Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/backlight.h>
#include <linux/fb.h>
#include <linux/dmi.h>
#include <linux/platform_device.h>
#include <linux/rfkill.h>
/*
* This driver is needed because a number of Samsung laptops do not hook
* their control settings through ACPI. So we have to poke around in the
* BIOS to do things like brightness values, and "special" key controls.
*/
/*
* We have 0 - 8 as valid brightness levels. The specs say that level 0 should
* be reserved by the BIOS (which really doesn't make much sense), we tell
* userspace that the value is 0 - 7 and then just tell the hardware 1 - 8
*/
#define MAX_BRIGHT 0x07
#define SABI_IFACE_MAIN 0x00
#define SABI_IFACE_SUB 0x02
#define SABI_IFACE_COMPLETE 0x04
#define SABI_IFACE_DATA 0x05
/* Structure to get data back to the calling function */
struct sabi_retval {
u8 retval[20];
};
struct sabi_header_offsets {
u8 port;
u8 re_mem;
u8 iface_func;
u8 en_mem;
u8 data_offset;
u8 data_segment;
};
struct sabi_commands {
/*
* Brightness is 0 - 8, as described above.
* Value 0 is for the BIOS to use
*/
u8 get_brightness;
u8 set_brightness;
/*
* first byte:
* 0x00 - wireless is off
* 0x01 - wireless is on
* second byte:
* 0x02 - 3G is off
* 0x03 - 3G is on
* TODO, verify 3G is correct, that doesn't seem right...
*/
u8 get_wireless_button;
u8 set_wireless_button;
/* 0 is off, 1 is on */
u8 get_backlight;
u8 set_backlight;
/*
* 0x80 or 0x00 - no action
* 0x81 - recovery key pressed
*/
u8 get_recovery_mode;
u8 set_recovery_mode;
/*
* on seclinux: 0 is low, 1 is high,
* on swsmi: 0 is normal, 1 is silent, 2 is turbo
*/
u8 get_performance_level;
u8 set_performance_level;
/*
* Tell the BIOS that Linux is running on this machine.
* 81 is on, 80 is off
*/
u8 set_linux;
};
struct sabi_performance_level {
const char *name;
u8 value;
};
struct sabi_config {
const char *test_string;
u16 main_function;
const struct sabi_header_offsets header_offsets;
const struct sabi_commands commands;
const struct sabi_performance_level performance_levels[4];
u8 min_brightness;
u8 max_brightness;
};
static const struct sabi_config sabi_configs[] = {
{
.test_string = "SECLINUX",
.main_function = 0x4c49,
.header_offsets = {
.port = 0x00,
.re_mem = 0x02,
.iface_func = 0x03,
.en_mem = 0x04,
.data_offset = 0x05,
.data_segment = 0x07,
},
.commands = {
.get_brightness = 0x00,
.set_brightness = 0x01,
.get_wireless_button = 0x02,
.set_wireless_button = 0x03,
.get_backlight = 0x04,
.set_backlight = 0x05,
.get_recovery_mode = 0x06,
.set_recovery_mode = 0x07,
.get_performance_level = 0x08,
.set_performance_level = 0x09,
.set_linux = 0x0a,
},
.performance_levels = {
{
.name = "silent",
.value = 0,
},
{
.name = "normal",
.value = 1,
},
{ },
},
.min_brightness = 1,
.max_brightness = 8,
},
{
.test_string = "SwSmi@",
.main_function = 0x5843,
.header_offsets = {
.port = 0x00,
.re_mem = 0x04,
.iface_func = 0x02,
.en_mem = 0x03,
.data_offset = 0x05,
.data_segment = 0x07,
},
.commands = {
.get_brightness = 0x10,
.set_brightness = 0x11,
.get_wireless_button = 0x12,
.set_wireless_button = 0x13,
.get_backlight = 0x2d,
.set_backlight = 0x2e,
.get_recovery_mode = 0xff,
.set_recovery_mode = 0xff,
.get_performance_level = 0x31,
.set_performance_level = 0x32,
.set_linux = 0xff,
},
.performance_levels = {
{
.name = "normal",
.value = 0,
},
{
.name = "silent",
.value = 1,
},
{
.name = "overclock",
.value = 2,
},
{ },
},
.min_brightness = 0,
.max_brightness = 8,
},
{ },
};
static const struct sabi_config *sabi_config;
static void __iomem *sabi;
static void __iomem *sabi_iface;
static void __iomem *f0000_segment;
static struct backlight_device *backlight_device;
static struct mutex sabi_mutex;
static struct platform_device *sdev;
static struct rfkill *rfk;
static int force;
module_param(force, bool, 0);
MODULE_PARM_DESC(force,
"Disable the DMI check and forces the driver to be loaded");
static int debug;
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
static int sabi_get_command(u8 command, struct sabi_retval *sretval)
{
int retval = 0;
u16 port = readw(sabi + sabi_config->header_offsets.port);
u8 complete, iface_data;
mutex_lock(&sabi_mutex);
/* enable memory to be able to write to it */
outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
/* write out the command */
writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
writew(command, sabi_iface + SABI_IFACE_SUB);
writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
/* write protect memory to make it safe */
outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
/* see if the command actually succeeded */
complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
iface_data = readb(sabi_iface + SABI_IFACE_DATA);
if (complete != 0xaa || iface_data == 0xff) {
pr_warn("SABI get command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
command, complete, iface_data);
retval = -EINVAL;
goto exit;
}
/*
* Save off the data into a structure so the caller use it.
* Right now we only want the first 4 bytes,
* There are commands that need more, but not for the ones we
* currently care about.
*/
sretval->retval[0] = readb(sabi_iface + SABI_IFACE_DATA);
sretval->retval[1] = readb(sabi_iface + SABI_IFACE_DATA + 1);
sretval->retval[2] = readb(sabi_iface + SABI_IFACE_DATA + 2);
sretval->retval[3] = readb(sabi_iface + SABI_IFACE_DATA + 3);
exit:
mutex_unlock(&sabi_mutex);
return retval;
}
static int sabi_set_command(u8 command, u8 data)
{
int retval = 0;
u16 port = readw(sabi + sabi_config->header_offsets.port);
u8 complete, iface_data;
mutex_lock(&sabi_mutex);
/* enable memory to be able to write to it */
outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
/* write out the command */
writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
writew(command, sabi_iface + SABI_IFACE_SUB);
writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
writeb(data, sabi_iface + SABI_IFACE_DATA);
outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
/* write protect memory to make it safe */
outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
/* see if the command actually succeeded */
complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
iface_data = readb(sabi_iface + SABI_IFACE_DATA);
if (complete != 0xaa || iface_data == 0xff) {
pr_warn("SABI set command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
command, complete, iface_data);
retval = -EINVAL;
}
mutex_unlock(&sabi_mutex);
return retval;
}
static void test_backlight(void)
{
struct sabi_retval sretval;
sabi_get_command(sabi_config->commands.get_backlight, &sretval);
printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
sabi_set_command(sabi_config->commands.set_backlight, 0);
printk(KERN_DEBUG "backlight should be off\n");
sabi_get_command(sabi_config->commands.get_backlight, &sretval);
printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
msleep(1000);
sabi_set_command(sabi_config->commands.set_backlight, 1);
printk(KERN_DEBUG "backlight should be on\n");
sabi_get_command(sabi_config->commands.get_backlight, &sretval);
printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
}
static void test_wireless(void)
{
struct sabi_retval sretval;
sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
sabi_set_command(sabi_config->commands.set_wireless_button, 0);
printk(KERN_DEBUG "wireless led should be off\n");
sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
msleep(1000);
sabi_set_command(sabi_config->commands.set_wireless_button, 1);
printk(KERN_DEBUG "wireless led should be on\n");
sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
}
static u8 read_brightness(void)
{
struct sabi_retval sretval;
int user_brightness = 0;
int retval;
retval = sabi_get_command(sabi_config->commands.get_brightness,
&sretval);
if (!retval) {
user_brightness = sretval.retval[0];
if (user_brightness != 0)
user_brightness -= sabi_config->min_brightness;
}
return user_brightness;
}
static void set_brightness(u8 user_brightness)
{
u8 user_level = user_brightness - sabi_config->min_brightness;
sabi_set_command(sabi_config->commands.set_brightness, user_level);
}
static int get_brightness(struct backlight_device *bd)
{
return (int)read_brightness();
}
static int update_status(struct backlight_device *bd)
{
set_brightness(bd->props.brightness);
if (bd->props.power == FB_BLANK_UNBLANK)
sabi_set_command(sabi_config->commands.set_backlight, 1);
else
sabi_set_command(sabi_config->commands.set_backlight, 0);
return 0;
}
static const struct backlight_ops backlight_ops = {
.get_brightness = get_brightness,
.update_status = update_status,
};
static int rfkill_set(void *data, bool blocked)
{
/* Do something with blocked...*/
/*
* blocked == false is on
* blocked == true is off
*/
if (blocked)
sabi_set_command(sabi_config->commands.set_wireless_button, 0);
else
sabi_set_command(sabi_config->commands.set_wireless_button, 1);
return 0;
}
static struct rfkill_ops rfkill_ops = {
.set_block = rfkill_set,
};
static int init_wireless(struct platform_device *sdev)
{
int retval;
rfk = rfkill_alloc("samsung-wifi", &sdev->dev, RFKILL_TYPE_WLAN,
&rfkill_ops, NULL);
if (!rfk)
return -ENOMEM;
retval = rfkill_register(rfk);
if (retval) {
rfkill_destroy(rfk);
return -ENODEV;
}
return 0;
}
static void destroy_wireless(void)
{
rfkill_unregister(rfk);
rfkill_destroy(rfk);
}
static ssize_t get_performance_level(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sabi_retval sretval;
int retval;
int i;
/* Read the state */
retval = sabi_get_command(sabi_config->commands.get_performance_level,
&sretval);
if (retval)
return retval;
/* The logic is backwards, yeah, lots of fun... */
for (i = 0; sabi_config->performance_levels[i].name; ++i) {
if (sretval.retval[0] == sabi_config->performance_levels[i].value)
return sprintf(buf, "%s\n", sabi_config->performance_levels[i].name);
}
return sprintf(buf, "%s\n", "unknown");
}
static ssize_t set_performance_level(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
if (count >= 1) {
int i;
for (i = 0; sabi_config->performance_levels[i].name; ++i) {
const struct sabi_performance_level *level =
&sabi_config->performance_levels[i];
if (!strncasecmp(level->name, buf, strlen(level->name))) {
sabi_set_command(sabi_config->commands.set_performance_level,
level->value);
break;
}
}
if (!sabi_config->performance_levels[i].name)
return -EINVAL;
}
return count;
}
static DEVICE_ATTR(performance_level, S_IWUSR | S_IRUGO,
get_performance_level, set_performance_level);
static int __init dmi_check_cb(const struct dmi_system_id *id)
{
pr_info("found laptop model '%s'\n",
id->ident);
return 1;
}
static struct dmi_system_id __initdata samsung_dmi_table[] = {
{
.ident = "N128",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "N128"),
DMI_MATCH(DMI_BOARD_NAME, "N128"),
},
.callback = dmi_check_cb,
},
{
.ident = "N130",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "N130"),
DMI_MATCH(DMI_BOARD_NAME, "N130"),
},
.callback = dmi_check_cb,
},
{
.ident = "X125",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "X125"),
DMI_MATCH(DMI_BOARD_NAME, "X125"),
},
.callback = dmi_check_cb,
},
{
.ident = "X120/X170",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "X120/X170"),
DMI_MATCH(DMI_BOARD_NAME, "X120/X170"),
},
.callback = dmi_check_cb,
},
{
.ident = "NC10",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
DMI_MATCH(DMI_BOARD_NAME, "NC10"),
},
.callback = dmi_check_cb,
},
{
.ident = "NP-Q45",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
DMI_MATCH(DMI_BOARD_NAME, "SQ45S70S"),
},
.callback = dmi_check_cb,
},
{
.ident = "X360",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "X360"),
DMI_MATCH(DMI_BOARD_NAME, "X360"),
},
.callback = dmi_check_cb,
},
{
.ident = "R518",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "R518"),
DMI_MATCH(DMI_BOARD_NAME, "R518"),
},
.callback = dmi_check_cb,
},
{
.ident = "R519/R719",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "R519/R719"),
DMI_MATCH(DMI_BOARD_NAME, "R519/R719"),
},
.callback = dmi_check_cb,
},
{
.ident = "N150/N210/N220",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220"),
DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220"),
},
.callback = dmi_check_cb,
},
{
.ident = "N150P/N210P/N220P",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "N150P/N210P/N220P"),
DMI_MATCH(DMI_BOARD_NAME, "N150P/N210P/N220P"),
},
.callback = dmi_check_cb,
},
{
.ident = "R530/R730",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "R530/R730"),
DMI_MATCH(DMI_BOARD_NAME, "R530/R730"),
},
.callback = dmi_check_cb,
},
{
.ident = "NF110/NF210/NF310",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "NF110/NF210/NF310"),
DMI_MATCH(DMI_BOARD_NAME, "NF110/NF210/NF310"),
},
.callback = dmi_check_cb,
},
{
.ident = "N145P/N250P/N260P",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "N145P/N250P/N260P"),
DMI_MATCH(DMI_BOARD_NAME, "N145P/N250P/N260P"),
},
.callback = dmi_check_cb,
},
{
.ident = "R70/R71",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR,
"SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "R70/R71"),
DMI_MATCH(DMI_BOARD_NAME, "R70/R71"),
},
.callback = dmi_check_cb,
},
{
.ident = "P460",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
DMI_MATCH(DMI_PRODUCT_NAME, "P460"),
DMI_MATCH(DMI_BOARD_NAME, "P460"),
},
.callback = dmi_check_cb,
},
{ },
};
MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
static int find_signature(void __iomem *memcheck, const char *testStr)
{
int i = 0;
int loca;
for (loca = 0; loca < 0xffff; loca++) {
char temp = readb(memcheck + loca);
if (temp == testStr[i]) {
if (i == strlen(testStr)-1)
break;
++i;
} else {
i = 0;
}
}
return loca;
}
static int __init samsung_init(void)
{
struct backlight_properties props;
struct sabi_retval sretval;
unsigned int ifaceP;
int i;
int loca;
int retval;
mutex_init(&sabi_mutex);
if (!force && !dmi_check_system(samsung_dmi_table))
return -ENODEV;
f0000_segment = ioremap_nocache(0xf0000, 0xffff);
if (!f0000_segment) {
pr_err("Can't map the segment at 0xf0000\n");
return -EINVAL;
}
/* Try to find one of the signatures in memory to find the header */
for (i = 0; sabi_configs[i].test_string != 0; ++i) {
sabi_config = &sabi_configs[i];
loca = find_signature(f0000_segment, sabi_config->test_string);
if (loca != 0xffff)
break;
}
if (loca == 0xffff) {
pr_err("This computer does not support SABI\n");
goto error_no_signature;
}
/* point to the SMI port Number */
loca += 1;
sabi = (f0000_segment + loca);
if (debug) {
printk(KERN_DEBUG "This computer supports SABI==%x\n",
loca + 0xf0000 - 6);
printk(KERN_DEBUG "SABI header:\n");
printk(KERN_DEBUG " SMI Port Number = 0x%04x\n",
readw(sabi + sabi_config->header_offsets.port));
printk(KERN_DEBUG " SMI Interface Function = 0x%02x\n",
readb(sabi + sabi_config->header_offsets.iface_func));
printk(KERN_DEBUG " SMI enable memory buffer = 0x%02x\n",
readb(sabi + sabi_config->header_offsets.en_mem));
printk(KERN_DEBUG " SMI restore memory buffer = 0x%02x\n",
readb(sabi + sabi_config->header_offsets.re_mem));
printk(KERN_DEBUG " SABI data offset = 0x%04x\n",
readw(sabi + sabi_config->header_offsets.data_offset));
printk(KERN_DEBUG " SABI data segment = 0x%04x\n",
readw(sabi + sabi_config->header_offsets.data_segment));
}
/* Get a pointer to the SABI Interface */
ifaceP = (readw(sabi + sabi_config->header_offsets.data_segment) & 0x0ffff) << 4;
ifaceP += readw(sabi + sabi_config->header_offsets.data_offset) & 0x0ffff;
sabi_iface = ioremap_nocache(ifaceP, 16);
if (!sabi_iface) {
pr_err("Can't remap %x\n", ifaceP);
goto exit;
}
if (debug) {
printk(KERN_DEBUG "ifaceP = 0x%08x\n", ifaceP);
printk(KERN_DEBUG "sabi_iface = %p\n", sabi_iface);
test_backlight();
test_wireless();
retval = sabi_get_command(sabi_config->commands.get_brightness,
&sretval);
printk(KERN_DEBUG "brightness = 0x%02x\n", sretval.retval[0]);
}
/* Turn on "Linux" mode in the BIOS */
if (sabi_config->commands.set_linux != 0xff) {
retval = sabi_set_command(sabi_config->commands.set_linux,
0x81);
if (retval) {
pr_warn("Linux mode was not set!\n");
goto error_no_platform;
}
}
/* knock up a platform device to hang stuff off of */
sdev = platform_device_register_simple("samsung", -1, NULL, 0);
if (IS_ERR(sdev))
goto error_no_platform;
/* create a backlight device to talk to this one */
memset(&props, 0, sizeof(struct backlight_properties));
props.max_brightness = sabi_config->max_brightness;
backlight_device = backlight_device_register("samsung", &sdev->dev,
NULL, &backlight_ops,
&props);
if (IS_ERR(backlight_device))
goto error_no_backlight;
backlight_device->props.brightness = read_brightness();
backlight_device->props.power = FB_BLANK_UNBLANK;
backlight_update_status(backlight_device);
retval = init_wireless(sdev);
if (retval)
goto error_no_rfk;
retval = device_create_file(&sdev->dev, &dev_attr_performance_level);
if (retval)
goto error_file_create;
exit:
return 0;
error_file_create:
destroy_wireless();
error_no_rfk:
backlight_device_unregister(backlight_device);
error_no_backlight:
platform_device_unregister(sdev);
error_no_platform:
iounmap(sabi_iface);
error_no_signature:
iounmap(f0000_segment);
return -EINVAL;
}
static void __exit samsung_exit(void)
{
/* Turn off "Linux" mode in the BIOS */
if (sabi_config->commands.set_linux != 0xff)
sabi_set_command(sabi_config->commands.set_linux, 0x80);
device_remove_file(&sdev->dev, &dev_attr_performance_level);
backlight_device_unregister(backlight_device);
destroy_wireless();
iounmap(sabi_iface);
iounmap(f0000_segment);
platform_device_unregister(sdev);
}
module_init(samsung_init);
module_exit(samsung_exit);
MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@suse.de>");
MODULE_DESCRIPTION("Samsung Backlight driver");
MODULE_LICENSE("GPL");

505
drivers/platform/x86/sony-laptop.c
View File

@ -71,8 +71,9 @@
#endif
#define DRV_PFX "sony-laptop: "
#define dprintk(msg...) do { \
if (debug) printk(KERN_WARNING DRV_PFX msg); \
#define dprintk(msg...) do { \
if (debug) \
pr_warn(DRV_PFX msg); \
} while (0)
#define SONY_LAPTOP_DRIVER_VERSION "0.6"
@ -124,6 +125,19 @@ MODULE_PARM_DESC(minor,
"default is -1 (automatic)");
#endif
static int kbd_backlight; /* = 1 */
module_param(kbd_backlight, int, 0444);
MODULE_PARM_DESC(kbd_backlight,
"set this to 0 to disable keyboard backlight, "
"1 to enable it (default: 0)");
static int kbd_backlight_timeout; /* = 0 */
module_param(kbd_backlight_timeout, int, 0444);
MODULE_PARM_DESC(kbd_backlight_timeout,
"set this to 0 to set the default 10 seconds timeout, "
"1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
"(default: 0)");
enum sony_nc_rfkill {
SONY_WIFI,
SONY_BLUETOOTH,
@ -402,7 +416,7 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device)
error = kfifo_alloc(&sony_laptop_input.fifo,
SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
if (error) {
printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
pr_err(DRV_PFX "kfifo_alloc failed\n");
goto err_dec_users;
}
@ -591,7 +605,7 @@ struct sony_nc_value {
int value; /* current setting */
int valid; /* Has ever been set */
int debug; /* active only in debug mode ? */
struct device_attribute devattr; /* sysfs atribute */
struct device_attribute devattr; /* sysfs attribute */
};
#define SNC_HANDLE_NAMES(_name, _values...) \
@ -686,7 +700,7 @@ static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
return 0;
}
printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
pr_warn(DRV_PFX "acpi_callreadfunc failed\n");
return -1;
}
@ -712,7 +726,7 @@ static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
if (status == AE_OK) {
if (result != NULL) {
if (out_obj.type != ACPI_TYPE_INTEGER) {
printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
pr_warn(DRV_PFX "acpi_evaluate_object bad "
"return type\n");
return -1;
}
@ -721,34 +735,103 @@ static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
return 0;
}
printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
pr_warn(DRV_PFX "acpi_evaluate_object failed\n");
return -1;
}
struct sony_nc_handles {
u16 cap[0x10];
struct device_attribute devattr;
};
static struct sony_nc_handles *handles;
static ssize_t sony_nc_handles_show(struct device *dev,
struct device_attribute *attr, char *buffer)
{
ssize_t len = 0;
int i;
for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
handles->cap[i]);
}
len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
return len;
}
static int sony_nc_handles_setup(struct platform_device *pd)
{
int i;
int result;
handles = kzalloc(sizeof(*handles), GFP_KERNEL);
if (!handles)
return -ENOMEM;
sysfs_attr_init(&handles->devattr.attr);
handles->devattr.attr.name = "handles";
handles->devattr.attr.mode = S_IRUGO;
handles->devattr.show = sony_nc_handles_show;
for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
if (!acpi_callsetfunc(sony_nc_acpi_handle,
"SN00", i + 0x20, &result)) {
dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
result, i);
handles->cap[i] = result;
}
}
/* allow reading capabilities via sysfs */
if (device_create_file(&pd->dev, &handles->devattr)) {
kfree(handles);
handles = NULL;
return -1;
}
return 0;
}
static int sony_nc_handles_cleanup(struct platform_device *pd)
{
if (handles) {
device_remove_file(&pd->dev, &handles->devattr);
kfree(handles);
handles = NULL;
}
return 0;
}
static int sony_find_snc_handle(int handle)
{
int i;
int result;
for (i = 0x20; i < 0x30; i++) {
acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
if (result == handle)
return i-0x20;
for (i = 0; i < 0x10; i++) {
if (handles->cap[i] == handle) {
dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
handle, i);
return i;
}
}
dprintk("handle 0x%.4x not found\n", handle);
return -1;
}
static int sony_call_snc_handle(int handle, int argument, int *result)
{
int ret = 0;
int offset = sony_find_snc_handle(handle);
if (offset < 0)
return -1;
return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
result);
ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
result);
dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
*result);
return ret;
}
/*
@ -857,11 +940,39 @@ static int sony_backlight_get_brightness(struct backlight_device *bd)
return value - 1;
}
static struct backlight_device *sony_backlight_device;
static int sony_nc_get_brightness_ng(struct backlight_device *bd)
{
int result;
int *handle = (int *)bl_get_data(bd);
sony_call_snc_handle(*handle, 0x0200, &result);
return result & 0xff;
}
static int sony_nc_update_status_ng(struct backlight_device *bd)
{
int value, result;
int *handle = (int *)bl_get_data(bd);
value = bd->props.brightness;
sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result);
return sony_nc_get_brightness_ng(bd);
}
static const struct backlight_ops sony_backlight_ops = {
.options = BL_CORE_SUSPENDRESUME,
.update_status = sony_backlight_update_status,
.get_brightness = sony_backlight_get_brightness,
};
static const struct backlight_ops sony_backlight_ng_ops = {
.options = BL_CORE_SUSPENDRESUME,
.update_status = sony_nc_update_status_ng,
.get_brightness = sony_nc_get_brightness_ng,
};
static int backlight_ng_handle;
static struct backlight_device *sony_backlight_device;
/*
* New SNC-only Vaios event mapping to driver known keys
@ -972,7 +1083,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
}
if (!key_event->data)
printk(KERN_INFO DRV_PFX
pr_info(DRV_PFX
"Unknown event: 0x%x 0x%x\n",
key_handle,
ev);
@ -996,7 +1107,7 @@ static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
struct acpi_device_info *info;
if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
pr_warn(DRV_PFX "method: name: %4.4s, args %X\n",
(char *)&info->name, info->param_count);
kfree(info);
@ -1037,7 +1148,7 @@ static int sony_nc_resume(struct acpi_device *device)
ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
item->value, NULL);
if (ret < 0) {
printk("%s: %d\n", __func__, ret);
pr_err(DRV_PFX "%s: %d\n", __func__, ret);
break;
}
}
@ -1054,11 +1165,6 @@ static int sony_nc_resume(struct acpi_device *device)
sony_nc_function_setup(device);
}
/* set the last requested brightness level */
if (sony_backlight_device &&
sony_backlight_update_status(sony_backlight_device) < 0)
printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
/* re-read rfkill state */
sony_nc_rfkill_update();
@ -1206,12 +1312,12 @@ static void sony_nc_rfkill_setup(struct acpi_device *device)
device_enum = (union acpi_object *) buffer.pointer;
if (!device_enum) {
pr_err("Invalid SN06 return object\n");
pr_err(DRV_PFX "No SN06 return object.");
goto out_no_enum;
}
if (device_enum->type != ACPI_TYPE_BUFFER) {
pr_err("Invalid SN06 return object type 0x%.2x\n",
device_enum->type);
pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n",
device_enum->type);
goto out_no_enum;
}
@ -1245,6 +1351,209 @@ out_no_enum:
return;
}
/* Keyboard backlight feature */
#define KBDBL_HANDLER 0x137
#define KBDBL_PRESENT 0xB00
#define SET_MODE 0xC00
#define SET_TIMEOUT 0xE00
struct kbd_backlight {
int mode;
int timeout;
struct device_attribute mode_attr;
struct device_attribute timeout_attr;
};
static struct kbd_backlight *kbdbl_handle;
static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
{
int result;
if (value > 1)
return -EINVAL;
if (sony_call_snc_handle(KBDBL_HANDLER,
(value << 0x10) | SET_MODE, &result))
return -EIO;
kbdbl_handle->mode = value;
return 0;
}
static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
struct device_attribute *attr,
const char *buffer, size_t count)
{
int ret = 0;
unsigned long value;
if (count > 31)
return -EINVAL;
if (strict_strtoul(buffer, 10, &value))
return -EINVAL;
ret = __sony_nc_kbd_backlight_mode_set(value);
if (ret < 0)
return ret;
return count;
}
static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
struct device_attribute *attr, char *buffer)
{
ssize_t count = 0;
count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
return count;
}
static int __sony_nc_kbd_backlight_timeout_set(u8 value)
{
int result;
if (value > 3)
return -EINVAL;
if (sony_call_snc_handle(KBDBL_HANDLER,
(value << 0x10) | SET_TIMEOUT, &result))
return -EIO;
kbdbl_handle->timeout = value;
return 0;
}
static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
struct device_attribute *attr,
const char *buffer, size_t count)
{
int ret = 0;
unsigned long value;
if (count > 31)
return -EINVAL;
if (strict_strtoul(buffer, 10, &value))
return -EINVAL;
ret = __sony_nc_kbd_backlight_timeout_set(value);
if (ret < 0)
return ret;
return count;
}
static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
struct device_attribute *attr, char *buffer)
{
ssize_t count = 0;
count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
return count;
}
static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
{
int result;
if (sony_call_snc_handle(0x137, KBDBL_PRESENT, &result))
return 0;
if (!(result & 0x02))
return 0;
kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
if (!kbdbl_handle)
return -ENOMEM;
sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
goto outkzalloc;
if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
goto outmode;
__sony_nc_kbd_backlight_mode_set(kbd_backlight);
__sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
return 0;
outmode:
device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
outkzalloc:
kfree(kbdbl_handle);
kbdbl_handle = NULL;
return -1;
}
static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
{
if (kbdbl_handle) {
device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
kfree(kbdbl_handle);
}
return 0;
}
static void sony_nc_backlight_setup(void)
{
acpi_handle unused;
int max_brightness = 0;
const struct backlight_ops *ops = NULL;
struct backlight_properties props;
if (sony_find_snc_handle(0x12f) != -1) {
backlight_ng_handle = 0x12f;
ops = &sony_backlight_ng_ops;
max_brightness = 0xff;
} else if (sony_find_snc_handle(0x137) != -1) {
backlight_ng_handle = 0x137;
ops = &sony_backlight_ng_ops;
max_brightness = 0xff;
} else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
&unused))) {
ops = &sony_backlight_ops;
max_brightness = SONY_MAX_BRIGHTNESS - 1;
} else
return;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = max_brightness;
sony_backlight_device = backlight_device_register("sony", NULL,
&backlight_ng_handle,
ops, &props);
if (IS_ERR(sony_backlight_device)) {
pr_warning(DRV_PFX "unable to register backlight device\n");
sony_backlight_device = NULL;
} else
sony_backlight_device->props.brightness =
ops->get_brightness(sony_backlight_device);
}
static void sony_nc_backlight_cleanup(void)
{
if (sony_backlight_device)
backlight_device_unregister(sony_backlight_device);
}
static int sony_nc_add(struct acpi_device *device)
{
acpi_status status;
@ -1252,8 +1561,8 @@ static int sony_nc_add(struct acpi_device *device)
acpi_handle handle;
struct sony_nc_value *item;
printk(KERN_INFO DRV_PFX "%s v%s.\n",
SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
pr_info(DRV_PFX "%s v%s.\n", SONY_NC_DRIVER_NAME,
SONY_LAPTOP_DRIVER_VERSION);
sony_nc_acpi_device = device;
strcpy(acpi_device_class(device), "sony/hotkey");
@ -1269,13 +1578,18 @@ static int sony_nc_add(struct acpi_device *device)
goto outwalk;
}
result = sony_pf_add();
if (result)
goto outpresent;
if (debug) {
status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1, sony_walk_callback, NULL, NULL, NULL);
status = acpi_walk_namespace(ACPI_TYPE_METHOD,
sony_nc_acpi_handle, 1, sony_walk_callback,
NULL, NULL, NULL);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
pr_warn(DRV_PFX "unable to walk acpi resources\n");
result = -ENODEV;
goto outwalk;
goto outpresent;
}
}
@ -1288,6 +1602,12 @@ static int sony_nc_add(struct acpi_device *device)
if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
&handle))) {
dprintk("Doing SNC setup\n");
result = sony_nc_handles_setup(sony_pf_device);
if (result)
goto outpresent;
result = sony_nc_kbd_backlight_setup(sony_pf_device);
if (result)
goto outsnc;
sony_nc_function_setup(device);
sony_nc_rfkill_setup(device);
}
@ -1295,40 +1615,17 @@ static int sony_nc_add(struct acpi_device *device)
/* setup input devices and helper fifo */
result = sony_laptop_setup_input(device);
if (result) {
printk(KERN_ERR DRV_PFX
"Unable to create input devices.\n");
goto outwalk;
pr_err(DRV_PFX "Unable to create input devices.\n");
goto outkbdbacklight;
}
if (acpi_video_backlight_support()) {
printk(KERN_INFO DRV_PFX "brightness ignored, must be "
pr_info(DRV_PFX "brightness ignored, must be "
"controlled by ACPI video driver\n");
} else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
&handle))) {
struct backlight_properties props;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
sony_backlight_device = backlight_device_register("sony", NULL,
NULL,
&sony_backlight_ops,
&props);
if (IS_ERR(sony_backlight_device)) {
printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
sony_backlight_device = NULL;
} else {
sony_backlight_device->props.brightness =
sony_backlight_get_brightness
(sony_backlight_device);
}
} else {
sony_nc_backlight_setup();
}
result = sony_pf_add();
if (result)
goto outbacklight;
/* create sony_pf sysfs attributes related to the SNC device */
for (item = sony_nc_values; item->name; ++item) {
@ -1374,14 +1671,19 @@ static int sony_nc_add(struct acpi_device *device)
for (item = sony_nc_values; item->name; ++item) {
device_remove_file(&sony_pf_device->dev, &item->devattr);
}
sony_pf_remove();
outbacklight:
if (sony_backlight_device)
backlight_device_unregister(sony_backlight_device);
sony_nc_backlight_cleanup();
sony_laptop_remove_input();
outkbdbacklight:
sony_nc_kbd_backlight_cleanup(sony_pf_device);
outsnc:
sony_nc_handles_cleanup(sony_pf_device);
outpresent:
sony_pf_remove();
outwalk:
sony_nc_rfkill_cleanup();
return result;
@ -1391,8 +1693,7 @@ static int sony_nc_remove(struct acpi_device *device, int type)
{
struct sony_nc_value *item;
if (sony_backlight_device)
backlight_device_unregister(sony_backlight_device);
sony_nc_backlight_cleanup();
sony_nc_acpi_device = NULL;
@ -1400,6 +1701,8 @@ static int sony_nc_remove(struct acpi_device *device, int type)
device_remove_file(&sony_pf_device->dev, &item->devattr);
}
sony_nc_kbd_backlight_cleanup(sony_pf_device);
sony_nc_handles_cleanup(sony_pf_device);
sony_pf_remove();
sony_laptop_remove_input();
sony_nc_rfkill_cleanup();
@ -1438,7 +1741,6 @@ static struct acpi_driver sony_nc_driver = {
#define SONYPI_DEVICE_TYPE1 0x00000001
#define SONYPI_DEVICE_TYPE2 0x00000002
#define SONYPI_DEVICE_TYPE3 0x00000004
#define SONYPI_DEVICE_TYPE4 0x00000008
#define SONYPI_TYPE1_OFFSET 0x04
#define SONYPI_TYPE2_OFFSET 0x12
@ -1584,8 +1886,8 @@ static struct sonypi_event sonypi_blueev[] = {
/* The set of possible wireless events */
static struct sonypi_event sonypi_wlessev[] = {
{ 0x59, SONYPI_EVENT_WIRELESS_ON },
{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
{ 0x59, SONYPI_EVENT_IGNORE },
{ 0x5a, SONYPI_EVENT_IGNORE },
{ 0, 0 }
};
@ -1842,7 +2144,7 @@ out:
if (pcidev)
pci_dev_put(pcidev);
printk(KERN_INFO DRV_PFX "detected Type%d model\n",
pr_info(DRV_PFX "detected Type%d model\n",
dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
}
@ -1890,7 +2192,7 @@ static int __sony_pic_camera_ready(void)
static int __sony_pic_camera_off(void)
{
if (!camera) {
printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
pr_warn(DRV_PFX "camera control not enabled\n");
return -ENODEV;
}
@ -1910,7 +2212,7 @@ static int __sony_pic_camera_on(void)
int i, j, x;
if (!camera) {
printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
pr_warn(DRV_PFX "camera control not enabled\n");
return -ENODEV;
}
@ -1933,7 +2235,7 @@ static int __sony_pic_camera_on(void)
}
if (j == 0) {
printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
pr_warn(DRV_PFX "failed to power on camera\n");
return -ENODEV;
}
@ -1989,7 +2291,7 @@ int sony_pic_camera_command(int command, u8 value)
ITERATIONS_SHORT);
break;
default:
printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
pr_err(DRV_PFX "sony_pic_camera_command invalid: %d\n",
command);
break;
}
@ -2396,7 +2698,7 @@ static int sonypi_compat_init(void)
error =
kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
if (error) {
printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
pr_err(DRV_PFX "kfifo_alloc failed\n");
return error;
}
@ -2406,11 +2708,11 @@ static int sonypi_compat_init(void)
sonypi_misc_device.minor = minor;
error = misc_register(&sonypi_misc_device);
if (error) {
printk(KERN_ERR DRV_PFX "misc_register failed\n");
pr_err(DRV_PFX "misc_register failed\n");
goto err_free_kfifo;
}
if (minor == -1)
printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
pr_info(DRV_PFX "device allocated minor is %d\n",
sonypi_misc_device.minor);
return 0;
@ -2470,8 +2772,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
}
for (i = 0; i < p->interrupt_count; i++) {
if (!p->interrupts[i]) {
printk(KERN_WARNING DRV_PFX
"Invalid IRQ %d\n",
pr_warn(DRV_PFX "Invalid IRQ %d\n",
p->interrupts[i]);
continue;
}
@ -2510,7 +2811,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
ioport->io2.address_length);
}
else {
printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
pr_err(DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
return AE_ERROR;
}
return AE_OK;
@ -2538,7 +2839,7 @@ static int sony_pic_possible_resources(struct acpi_device *device)
dprintk("Evaluating _STA\n");
result = acpi_bus_get_status(device);
if (result) {
printk(KERN_WARNING DRV_PFX "Unable to read status\n");
pr_warn(DRV_PFX "Unable to read status\n");
goto end;
}
@ -2554,8 +2855,7 @@ static int sony_pic_possible_resources(struct acpi_device *device)
status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
sony_pic_read_possible_resource, &spic_dev);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING DRV_PFX
"Failure evaluating %s\n",
pr_warn(DRV_PFX "Failure evaluating %s\n",
METHOD_NAME__PRS);
result = -ENODEV;
}
@ -2669,7 +2969,7 @@ static int sony_pic_enable(struct acpi_device *device,
/* check for total failure */
if (ACPI_FAILURE(status)) {
printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
pr_err(DRV_PFX "Error evaluating _SRS\n");
result = -ENODEV;
goto end;
}
@ -2725,6 +3025,9 @@ static irqreturn_t sony_pic_irq(int irq, void *dev_id)
if (ev == dev->event_types[i].events[j].data) {
device_event =
dev->event_types[i].events[j].event;
/* some events may require ignoring */
if (!device_event)
return IRQ_HANDLED;
goto found;
}
}
@ -2744,7 +3047,6 @@ found:
sony_laptop_report_input_event(device_event);
acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
sonypi_compat_report_event(device_event);
return IRQ_HANDLED;
}
@ -2759,7 +3061,7 @@ static int sony_pic_remove(struct acpi_device *device, int type)
struct sony_pic_irq *irq, *tmp_irq;
if (sony_pic_disable(device)) {
printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
pr_err(DRV_PFX "Couldn't disable device.\n");
return -ENXIO;
}
@ -2799,8 +3101,8 @@ static int sony_pic_add(struct acpi_device *device)
struct sony_pic_ioport *io, *tmp_io;
struct sony_pic_irq *irq, *tmp_irq;
printk(KERN_INFO DRV_PFX "%s v%s.\n",
SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
pr_info(DRV_PFX "%s v%s.\n", SONY_PIC_DRIVER_NAME,
SONY_LAPTOP_DRIVER_VERSION);
spic_dev.acpi_dev = device;
strcpy(acpi_device_class(device), "sony/hotkey");
@ -2810,16 +3112,14 @@ static int sony_pic_add(struct acpi_device *device)
/* read _PRS resources */
result = sony_pic_possible_resources(device);
if (result) {
printk(KERN_ERR DRV_PFX
"Unable to read possible resources.\n");
pr_err(DRV_PFX "Unable to read possible resources.\n");
goto err_free_resources;
}
/* setup input devices and helper fifo */
result = sony_laptop_setup_input(device);
if (result) {
printk(KERN_ERR DRV_PFX
"Unable to create input devices.\n");
pr_err(DRV_PFX "Unable to create input devices.\n");
goto err_free_resources;
}
@ -2829,7 +3129,7 @@ static int sony_pic_add(struct acpi_device *device)
/* request io port */
list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
if (request_region(io->io1.minimum, io->io1.address_length,
"Sony Programable I/O Device")) {
"Sony Programmable I/O Device")) {
dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
io->io1.minimum, io->io1.maximum,
io->io1.address_length);
@ -2837,7 +3137,7 @@ static int sony_pic_add(struct acpi_device *device)
if (io->io2.minimum) {
if (request_region(io->io2.minimum,
io->io2.address_length,
"Sony Programable I/O Device")) {
"Sony Programmable I/O Device")) {
dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
io->io2.minimum, io->io2.maximum,
io->io2.address_length);
@ -2860,7 +3160,7 @@ static int sony_pic_add(struct acpi_device *device)
}
}
if (!spic_dev.cur_ioport) {
printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
pr_err(DRV_PFX "Failed to request_region.\n");
result = -ENODEV;
goto err_remove_compat;
}
@ -2880,7 +3180,7 @@ static int sony_pic_add(struct acpi_device *device)
}
}
if (!spic_dev.cur_irq) {
printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
pr_err(DRV_PFX "Failed to request_irq.\n");
result = -ENODEV;
goto err_release_region;
}
@ -2888,7 +3188,7 @@ static int sony_pic_add(struct acpi_device *device)
/* set resource status _SRS */
result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
if (result) {
printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
pr_err(DRV_PFX "Couldn't enable device.\n");
goto err_free_irq;
}
@ -2997,8 +3297,7 @@ static int __init sony_laptop_init(void)
if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
result = acpi_bus_register_driver(&sony_pic_driver);
if (result) {
printk(KERN_ERR DRV_PFX
"Unable to register SPIC driver.");
pr_err(DRV_PFX "Unable to register SPIC driver.");
goto out;
}
spic_drv_registered = 1;
@ -3006,7 +3305,7 @@ static int __init sony_laptop_init(void)
result = acpi_bus_register_driver(&sony_nc_driver);
if (result) {
printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
pr_err(DRV_PFX "Unable to register SNC driver.");
goto out_unregister_pic;
}

4
drivers/platform/x86/thinkpad_acpi.c
View File

@ -2407,7 +2407,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
* This code is supposed to duplicate the IBM firmware behaviour:
* - Pressing MUTE issues mute hotkey message, even when already mute
* - Pressing Volume up/down issues volume up/down hotkey messages,
* even when already at maximum or minumum volume
* even when already at maximum or minimum volume
* - The act of unmuting issues volume up/down notification,
* depending which key was used to unmute
*
@ -2990,7 +2990,7 @@ static void tpacpi_send_radiosw_update(void)
* rfkill input events, or we will race the rfkill core input
* handler.
*
* tpacpi_inputdev_send_mutex works as a syncronization point
* tpacpi_inputdev_send_mutex works as a synchronization point
* for the above.
*
* We optimize to avoid numerous calls to hotkey_get_wlsw.

180
drivers/platform/x86/xo15-ebook.c Normal file
View File

@ -0,0 +1,180 @@
/*
* OLPC XO-1.5 ebook switch driver
* (based on generic ACPI button driver)
*
* Copyright (C) 2009 Paul Fox <pgf@laptop.org>
* Copyright (C) 2010 One Laptop per Child
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/input.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define MODULE_NAME "xo15-ebook"
#define PREFIX MODULE_NAME ": "
#define XO15_EBOOK_CLASS MODULE_NAME
#define XO15_EBOOK_TYPE_UNKNOWN 0x00
#define XO15_EBOOK_NOTIFY_STATUS 0x80
#define XO15_EBOOK_SUBCLASS "ebook"
#define XO15_EBOOK_HID "XO15EBK"
#define XO15_EBOOK_DEVICE_NAME "EBook Switch"
ACPI_MODULE_NAME(MODULE_NAME);
MODULE_DESCRIPTION("OLPC XO-1.5 ebook switch driver");
MODULE_LICENSE("GPL");
static const struct acpi_device_id ebook_device_ids[] = {
{ XO15_EBOOK_HID, 0 },
{ "", 0 },
};
MODULE_DEVICE_TABLE(acpi, ebook_device_ids);
struct ebook_switch {
struct input_dev *input;
char phys[32]; /* for input device */
};
static int ebook_send_state(struct acpi_device *device)
{
struct ebook_switch *button = acpi_driver_data(device);
unsigned long long state;
acpi_status status;
status = acpi_evaluate_integer(device->handle, "EBK", NULL, &state);
if (ACPI_FAILURE(status))
return -EIO;
/* input layer checks if event is redundant */
input_report_switch(button->input, SW_TABLET_MODE, !state);
input_sync(button->input);
return 0;
}
static void ebook_switch_notify(struct acpi_device *device, u32 event)
{
switch (event) {
case ACPI_FIXED_HARDWARE_EVENT:
case XO15_EBOOK_NOTIFY_STATUS:
ebook_send_state(device);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
break;
}
}
static int ebook_switch_resume(struct acpi_device *device)
{
return ebook_send_state(device);
}
static int ebook_switch_add(struct acpi_device *device)
{
struct ebook_switch *button;
struct input_dev *input;
const char *hid = acpi_device_hid(device);
char *name, *class;
int error;
button = kzalloc(sizeof(struct ebook_switch), GFP_KERNEL);
if (!button)
return -ENOMEM;
device->driver_data = button;
button->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_free_button;
}
name = acpi_device_name(device);
class = acpi_device_class(device);
if (strcmp(hid, XO15_EBOOK_HID)) {
printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", hid);
error = -ENODEV;
goto err_free_input;
}
strcpy(name, XO15_EBOOK_DEVICE_NAME);
sprintf(class, "%s/%s", XO15_EBOOK_CLASS, XO15_EBOOK_SUBCLASS);
snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid);
input->name = name;
input->phys = button->phys;
input->id.bustype = BUS_HOST;
input->dev.parent = &device->dev;
input->evbit[0] = BIT_MASK(EV_SW);
set_bit(SW_TABLET_MODE, input->swbit);
error = input_register_device(input);
if (error)
goto err_free_input;
ebook_send_state(device);
if (device->wakeup.flags.valid) {
/* Button's GPE is run-wake GPE */
acpi_enable_gpe(device->wakeup.gpe_device,
device->wakeup.gpe_number);
device_set_wakeup_enable(&device->dev, true);
}
return 0;
err_free_input:
input_free_device(input);
err_free_button:
kfree(button);
return error;
}
static int ebook_switch_remove(struct acpi_device *device, int type)
{
struct ebook_switch *button = acpi_driver_data(device);
input_unregister_device(button->input);
kfree(button);
return 0;
}
static struct acpi_driver xo15_ebook_driver = {
.name = MODULE_NAME,
.class = XO15_EBOOK_CLASS,
.ids = ebook_device_ids,
.ops = {
.add = ebook_switch_add,
.resume = ebook_switch_resume,
.remove = ebook_switch_remove,
.notify = ebook_switch_notify,
},
};
static int __init xo15_ebook_init(void)
{
return acpi_bus_register_driver(&xo15_ebook_driver);
}
static void __exit xo15_ebook_exit(void)
{
acpi_bus_unregister_driver(&xo15_ebook_driver);
}
module_init(xo15_ebook_init);
module_exit(xo15_ebook_exit);

7
include/linux/input.h
View File

@ -664,6 +664,13 @@ struct input_keymap_entry {
#define KEY_TOUCHPAD_ON 0x213
#define KEY_TOUCHPAD_OFF 0x214
#define KEY_CAMERA_ZOOMIN 0x215
#define KEY_CAMERA_ZOOMOUT 0x216
#define KEY_CAMERA_UP 0x217
#define KEY_CAMERA_DOWN 0x218
#define KEY_CAMERA_LEFT 0x219
#define KEY_CAMERA_RIGHT 0x21a
#define BTN_TRIGGER_HAPPY 0x2c0
#define BTN_TRIGGER_HAPPY1 0x2c0
#define BTN_TRIGGER_HAPPY2 0x2c1

1
include/linux/sonypi.h
View File

@ -40,6 +40,7 @@
/* events the user application reading /dev/sonypi can use */
#define SONYPI_EVENT_IGNORE 0
#define SONYPI_EVENT_JOGDIAL_DOWN 1
#define SONYPI_EVENT_JOGDIAL_UP 2
#define SONYPI_EVENT_JOGDIAL_DOWN_PRESSED 3