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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-28 14:20:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-28 14:20:23 -0700
commit61e5191c9d96268746bd57ed55d035678a1a2cf9 (patch)
tree5ee75dc9aa9eab9cfc41c9fe0042d15f000ef2e6
parentd2a2fc18d98d8ee2dec1542efc7f47beec256144 (diff)
parent86924de2a612b275a45e92ba80d6f47d4e97d620 (diff)
Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform driver updates from Matthew Garrett: "Some significant updates to samsung-laptop, additional hardware support for Toshibas, misc updates to various hardware and a new backlight driver for some Apple machines." Fix up trivial conflicts: geode Geos update happening next to net5501 support, and MSIC thermal platform support added twice. * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (77 commits) acer-wmi: add quirk table for video backlight vendor mode drivers/platform/x86/amilo-rfkill.c::amilo_rfkill_probe() avoid NULL deref samsung-laptop: unregister ACPI video module for some well known laptops acer-wmi: No wifi rfkill on Sony machines thinkpad-acpi: recognize Lenovo as version string in newer V-series BIOS asus-wmi: don't update power and brightness when using scalar eeepc-wmi: split et2012 specific hacks eeepc-wmi: refine quirks handling asus-nb-wmi: set panel_power correctly asus-wmi: move WAPF variable into quirks_entry asus-wmi: store backlight power status for AIO machine asus-wmi: add scalar board brightness adj. support samsung-laptop: cleanup return type: mode_t vs umode_t drivers, samsung-laptop: fix usage of isalnum drivers, samsung-laptop: fix initialization of sabi_data in sabi_set_commandb asus-wmi: on/off bit is not set when reading the value eeepc-wmi: add extra keymaps for EP121 asus-nb-wmi: ignore useless keys acer-wmi: support Lenovo ideapad S205 Brazos wifi switch acer-wmi: fix out of input parameter size when set ...
-rw-r--r--Documentation/ABI/testing/sysfs-driver-samsung-laptop18
-rw-r--r--Documentation/laptops/asus-laptop.txt2
-rw-r--r--Documentation/laptops/sony-laptop.txt5
-rw-r--r--MAINTAINERS6
-rw-r--r--arch/x86/Kconfig7
-rw-r--r--arch/x86/platform/geode/Makefile1
-rw-r--r--arch/x86/platform/geode/geos.c128
-rw-r--r--drivers/acpi/ec.c10
-rw-r--r--drivers/acpi/video_detect.c2
-rw-r--r--drivers/platform/x86/Kconfig71
-rw-r--r--drivers/platform/x86/Makefile6
-rw-r--r--drivers/platform/x86/acer-wmi.c152
-rw-r--r--drivers/platform/x86/acerhdf.c19
-rw-r--r--drivers/platform/x86/amilo-rfkill.c5
-rw-r--r--drivers/platform/x86/apple-gmux.c244
-rw-r--r--drivers/platform/x86/asus-laptop.c273
-rw-r--r--drivers/platform/x86/asus-nb-wmi.c12
-rw-r--r--drivers/platform/x86/asus-wmi.c68
-rw-r--r--drivers/platform/x86/asus-wmi.h14
-rw-r--r--drivers/platform/x86/asus_acpi.c1513
-rw-r--r--drivers/platform/x86/compal-laptop.c14
-rw-r--r--drivers/platform/x86/dell-laptop.c34
-rw-r--r--drivers/platform/x86/eeepc-laptop.c13
-rw-r--r--drivers/platform/x86/eeepc-wmi.c108
-rw-r--r--drivers/platform/x86/hdaps.c4
-rw-r--r--drivers/platform/x86/intel_mid_powerbtn.c12
-rw-r--r--drivers/platform/x86/intel_mid_thermal.c14
-rw-r--r--drivers/platform/x86/intel_oaktrail.c2
-rw-r--r--drivers/platform/x86/samsung-laptop.c1749
-rw-r--r--drivers/platform/x86/sony-laptop.c15
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c2
-rw-r--r--drivers/platform/x86/toshiba_acpi.c254
-rw-r--r--drivers/platform/x86/xo1-rfkill.c13
-rw-r--r--drivers/video/backlight/apple_bl.c23
-rw-r--r--include/linux/acpi.h1
-rw-r--r--include/linux/apple_bl.h26
36 files changed, 2437 insertions, 2403 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-samsung-laptop b/Documentation/ABI/testing/sysfs-driver-samsung-laptop
index e82e7c2b8f80..678819a3f8bf 100644
--- a/Documentation/ABI/testing/sysfs-driver-samsung-laptop
+++ b/Documentation/ABI/testing/sysfs-driver-samsung-laptop
@@ -17,3 +17,21 @@ Description: Some Samsung laptops have different "performance levels"
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.
+
+What: /sys/devices/platform/samsung/battery_life_extender
+Date: December 1, 2011
+KernelVersion: 3.3
+Contact: Corentin Chary <corentin.chary@gmail.com>
+Description: Max battery charge level can be modified, battery cycle
+ life can be extended by reducing the max battery charge
+ level.
+ 0 means normal battery mode (100% charge)
+ 1 means battery life extender mode (80% charge)
+
+What: /sys/devices/platform/samsung/usb_charge
+Date: December 1, 2011
+KernelVersion: 3.3
+Contact: Corentin Chary <corentin.chary@gmail.com>
+Description: Use your USB ports to charge devices, even
+ when your laptop is powered off.
+ 1 means enabled, 0 means disabled.
diff --git a/Documentation/laptops/asus-laptop.txt b/Documentation/laptops/asus-laptop.txt
index 803e51f6768b..a1e04d679289 100644
--- a/Documentation/laptops/asus-laptop.txt
+++ b/Documentation/laptops/asus-laptop.txt
@@ -45,7 +45,7 @@ Status
Usage
-----
- Try "modprobe asus_acpi". Check your dmesg (simply type dmesg). You should
+ Try "modprobe asus-laptop". Check your dmesg (simply type dmesg). You should
see some lines like this :
Asus Laptop Extras version 0.42
diff --git a/Documentation/laptops/sony-laptop.txt b/Documentation/laptops/sony-laptop.txt
index 2bd4e82e5d9f..0d5ac7f5287e 100644
--- a/Documentation/laptops/sony-laptop.txt
+++ b/Documentation/laptops/sony-laptop.txt
@@ -17,6 +17,11 @@ subsystem. See the logs of acpid or /proc/acpi/event and
devices are created by the driver. Additionally, loading the driver with the
debug option will report all events in the kernel log.
+The "scancodes" passed to the input system (that can be remapped with udev)
+are indexes to the table "sony_laptop_input_keycode_map" in the sony-laptop.c
+module. For example the "FN/E" key combination (EJECTCD on some models)
+generates the scancode 20 (0x14).
+
Backlight control:
------------------
If your laptop model supports it, you will find sysfs files in the
diff --git a/MAINTAINERS b/MAINTAINERS
index 2cce20bbe39c..f9faadef7ab7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5776,6 +5776,12 @@ F: drivers/media/common/saa7146*
F: drivers/media/video/*7146*
F: include/media/*7146*
+SAMSUNG LAPTOP DRIVER
+M: Corentin Chary <corentincj@iksaif.net>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/samsung-laptop.c
+
SAMSUNG AUDIO (ASoC) DRIVERS
M: Sangbeom Kim <sbkim73@samsung.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 901952355969..3ad653de7100 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2125,6 +2125,13 @@ config NET5501
---help---
This option enables system support for the Soekris Engineering net5501.
+config GEOS
+ bool "Traverse Technologies GEOS System Support (LEDS, GPIO, etc)"
+ select GPIOLIB
+ depends on DMI
+ ---help---
+ This option enables system support for the Traverse Technologies GEOS.
+
endif # X86_32
config AMD_NB
diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile
index 246b788847ff..5b51194f4c8d 100644
--- a/arch/x86/platform/geode/Makefile
+++ b/arch/x86/platform/geode/Makefile
@@ -1,2 +1,3 @@
obj-$(CONFIG_ALIX) += alix.o
obj-$(CONFIG_NET5501) += net5501.o
+obj-$(CONFIG_GEOS) += geos.o
diff --git a/arch/x86/platform/geode/geos.c b/arch/x86/platform/geode/geos.c
new file mode 100644
index 000000000000..c2e6d53558be
--- /dev/null
+++ b/arch/x86/platform/geode/geos.c
@@ -0,0 +1,128 @@
+/*
+ * System Specific setup for Traverse Technologies GEOS.
+ * At the moment this means setup of GPIO control of LEDs.
+ *
+ * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
+ * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
+ * and Philip Prindeville <philipp@redfish-solutions.com>
+ *
+ * TODO: There are large similarities with leds-net5501.c
+ * by Alessandro Zummo <a.zummo@towertech.it>
+ * In the future leds-net5501.c should be migrated over to platform
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/string.h>
+#include <linux/module.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/dmi.h>
+
+#include <asm/geode.h>
+
+static struct gpio_keys_button geos_gpio_buttons[] = {
+ {
+ .code = KEY_RESTART,
+ .gpio = 3,
+ .active_low = 1,
+ .desc = "Reset button",
+ .type = EV_KEY,
+ .wakeup = 0,
+ .debounce_interval = 100,
+ .can_disable = 0,
+ }
+};
+static struct gpio_keys_platform_data geos_buttons_data = {
+ .buttons = geos_gpio_buttons,
+ .nbuttons = ARRAY_SIZE(geos_gpio_buttons),
+ .poll_interval = 20,
+};
+
+static struct platform_device geos_buttons_dev = {
+ .name = "gpio-keys-polled",
+ .id = 1,
+ .dev = {
+ .platform_data = &geos_buttons_data,
+ }
+};
+
+static struct gpio_led geos_leds[] = {
+ {
+ .name = "geos:1",
+ .gpio = 6,
+ .default_trigger = "default-on",
+ .active_low = 1,
+ },
+ {
+ .name = "geos:2",
+ .gpio = 25,
+ .default_trigger = "default-off",
+ .active_low = 1,
+ },
+ {
+ .name = "geos:3",
+ .gpio = 27,
+ .default_trigger = "default-off",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data geos_leds_data = {
+ .num_leds = ARRAY_SIZE(geos_leds),
+ .leds = geos_leds,
+};
+
+static struct platform_device geos_leds_dev = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = &geos_leds_data,
+};
+
+static struct __initdata platform_device *geos_devs[] = {
+ &geos_buttons_dev,
+ &geos_leds_dev,
+};
+
+static void __init register_geos(void)
+{
+ /* Setup LED control through leds-gpio driver */
+ platform_add_devices(geos_devs, ARRAY_SIZE(geos_devs));
+}
+
+static int __init geos_init(void)
+{
+ const char *vendor, *product;
+
+ if (!is_geode())
+ return 0;
+
+ vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+ if (!vendor || strcmp(vendor, "Traverse Technologies"))
+ return 0;
+
+ product = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!product || strcmp(product, "Geos"))
+ return 0;
+
+ printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
+ KBUILD_MODNAME, vendor, product);
+
+ register_geos();
+
+ return 0;
+}
+
+module_init(geos_init);
+
+MODULE_AUTHOR("Philip Prindeville <philipp@redfish-solutions.com>");
+MODULE_DESCRIPTION("Traverse Technologies Geos System Setup");
+MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index b19a18dd994f..e37615f310d7 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -445,6 +445,16 @@ int ec_transaction(u8 command,
EXPORT_SYMBOL(ec_transaction);
+/* Get the handle to the EC device */
+acpi_handle ec_get_handle(void)
+{
+ if (!first_ec)
+ return NULL;
+ return first_ec->handle;
+}
+
+EXPORT_SYMBOL(ec_get_handle);
+
void acpi_ec_block_transactions(void)
{
struct acpi_ec *ec = first_ec;
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index f3f0fe7e255a..45d8097ef4cf 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -23,7 +23,7 @@
* Depending on whether ACPI graphics extensions (cmp. ACPI spec Appendix B)
* are available, video.ko should be used to handle the device.
*
- * Otherwise vendor specific drivers like thinkpad_acpi, asus_acpi,
+ * Otherwise vendor specific drivers like thinkpad_acpi, asus-laptop,
* sony_acpi,... can take care about backlight brightness.
*
* If CONFIG_ACPI_VIDEO is neither set as "compiled in" (y) nor as a module (m)
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 2dc02c972ce9..2a262f5c5c0c 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -26,6 +26,10 @@ config ACER_WMI
depends on RFKILL || RFKILL = n
depends on ACPI_WMI
select INPUT_SPARSEKMAP
+ # Acer WMI depends on ACPI_VIDEO when ACPI is enabled
+ # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+ select VIDEO_OUTPUT_CONTROL if ACPI
+ select ACPI_VIDEO if ACPI
---help---
This is a driver for newer Acer (and Wistron) laptops. It adds
wireless radio and bluetooth control, and on some laptops,
@@ -54,7 +58,6 @@ config ACERHDF
config ASUS_LAPTOP
tristate "Asus Laptop Extras"
depends on ACPI
- depends on !ACPI_ASUS
select LEDS_CLASS
select NEW_LEDS
select BACKLIGHT_CLASS_DEVICE
@@ -460,10 +463,9 @@ config INTEL_MENLOW
If unsure, say N.
config EEEPC_LAPTOP
- tristate "Eee PC Hotkey Driver (EXPERIMENTAL)"
+ tristate "Eee PC Hotkey Driver"
depends on ACPI
depends on INPUT
- depends on EXPERIMENTAL
depends on RFKILL || RFKILL = n
depends on HOTPLUG_PCI
select BACKLIGHT_CLASS_DEVICE
@@ -482,11 +484,10 @@ config EEEPC_LAPTOP
doesn't work on your Eee PC, try eeepc-wmi instead.
config ASUS_WMI
- tristate "ASUS WMI Driver (EXPERIMENTAL)"
+ tristate "ASUS WMI Driver"
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
@@ -501,7 +502,7 @@ config ASUS_WMI
be called asus-wmi.
config ASUS_NB_WMI
- tristate "Asus Notebook WMI Driver (EXPERIMENTAL)"
+ tristate "Asus Notebook WMI Driver"
depends on ASUS_WMI
---help---
This is a driver for newer Asus notebooks. It adds extra features
@@ -514,7 +515,7 @@ config ASUS_NB_WMI
here.
config EEEPC_WMI
- tristate "Eee PC WMI Driver (EXPERIMENTAL)"
+ tristate "Eee PC WMI Driver"
depends on ASUS_WMI
---help---
This is a driver for newer Eee PC laptops. It adds extra features
@@ -559,38 +560,6 @@ config MSI_WMI
To compile this driver as a module, choose M here: the module will
be called msi-wmi.
-config ACPI_ASUS
- tristate "ASUS/Medion Laptop Extras (DEPRECATED)"
- depends on ACPI
- select BACKLIGHT_CLASS_DEVICE
- ---help---
- This driver provides support for extra features of ACPI-compatible
- ASUS laptops. As some of Medion laptops are made by ASUS, it may also
- support some Medion laptops (such as 9675 for example). It makes all
- the extra buttons generate standard ACPI events that go through
- /proc/acpi/events, and (on some models) adds support for changing the
- display brightness and output, switching the LCD backlight on and off,
- and most importantly, allows you to blink those fancy LEDs intended
- for reporting mail and wireless status.
-
- Note: display switching code is currently considered EXPERIMENTAL,
- toying with these values may even lock your machine.
-
- All settings are changed via /proc/acpi/asus directory entries. Owner
- and group for these entries can be set with asus_uid and asus_gid
- parameters.
-
- More information and a userspace daemon for handling the extra buttons
- at <http://acpi4asus.sf.net>.
-
- If you have an ACPI-compatible ASUS laptop, say Y or M here. This
- driver is still under development, so if your laptop is unsupported or
- something works not quite as expected, please use the mailing list
- available on the above page (acpi4asus-user@lists.sourceforge.net).
-
- NOTE: This driver is deprecated and will probably be removed soon,
- use asus-laptop instead.
-
config TOPSTAR_LAPTOP
tristate "Topstar Laptop Extras"
depends on ACPI
@@ -604,6 +573,7 @@ config TOPSTAR_LAPTOP
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
depends on ACPI
+ depends on ACPI_WMI
select LEDS_CLASS
select NEW_LEDS
depends on BACKLIGHT_CLASS_DEVICE
@@ -746,13 +716,18 @@ config XO15_EBOOK
config SAMSUNG_LAPTOP
tristate "Samsung Laptop driver"
- depends on RFKILL && BACKLIGHT_CLASS_DEVICE && X86
+ depends on X86
+ depends on RFKILL || RFKILL = n
+ depends on BACKLIGHT_CLASS_DEVICE
+ select LEDS_CLASS
+ select NEW_LEDS
---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.
+ function keys, wireless LED, LCD backlight level.
+
+ It may also provide some sysfs files described in
+ <file:Documentation/ABI/testing/sysfs-platform-samsung-laptop>
To compile this driver as a module, choose M here: the module
will be called samsung-laptop.
@@ -781,4 +756,14 @@ config SAMSUNG_Q10
This driver provides support for backlight control on Samsung Q10
and related laptops, including Dell Latitude X200.
+config APPLE_GMUX
+ tristate "Apple Gmux Driver"
+ depends on PNP
+ select BACKLIGHT_CLASS_DEVICE
+ ---help---
+ This driver provides support for the gmux device found on many
+ Apple laptops, which controls the display mux for the hybrid
+ graphics as well as the backlight. Currently only backlight
+ control is supported by the driver.
+
endif # X86_PLATFORM_DEVICES
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index bb947657d490..bf7e4f935b17 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -29,9 +29,12 @@ obj-$(CONFIG_PANASONIC_LAPTOP) += panasonic-laptop.o
obj-$(CONFIG_INTEL_MENLOW) += intel_menlow.o
obj-$(CONFIG_ACPI_WMI) += wmi.o
obj-$(CONFIG_MSI_WMI) += msi-wmi.o
-obj-$(CONFIG_ACPI_ASUS) += asus_acpi.o
obj-$(CONFIG_TOPSTAR_LAPTOP) += topstar-laptop.o
+
+# toshiba_acpi must link after wmi to ensure that wmi devices are found
+# before toshiba_acpi initializes
obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
+
obj-$(CONFIG_TOSHIBA_BT_RFKILL) += toshiba_bluetooth.o
obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o
@@ -46,3 +49,4 @@ obj-$(CONFIG_MXM_WMI) += mxm-wmi.o
obj-$(CONFIG_INTEL_MID_POWER_BUTTON) += intel_mid_powerbtn.o
obj-$(CONFIG_INTEL_OAKTRAIL) += intel_oaktrail.o
obj-$(CONFIG_SAMSUNG_Q10) += samsung-q10.o
+obj-$(CONFIG_APPLE_GMUX) += apple-gmux.o
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 1e5290b5396d..c1a3fd8e1243 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -43,6 +43,7 @@
#include <linux/input/sparse-keymap.h>
#include <acpi/acpi_drivers.h>
+#include <acpi/video.h>
MODULE_AUTHOR("Carlos Corbacho");
MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
@@ -105,13 +106,19 @@ static const struct key_entry acer_wmi_keymap[] = {
{KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
{KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
{KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
+ {KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
{KE_IGNORE, 0x41, {KEY_MUTE} },
{KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
+ {KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
{KE_IGNORE, 0x43, {KEY_NEXTSONG} },
+ {KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
{KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
+ {KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
{KE_IGNORE, 0x45, {KEY_STOP} },
+ {KE_IGNORE, 0x50, {KEY_STOP} },
{KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
{KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
+ {KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
{KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} },
{KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
{KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
@@ -153,7 +160,14 @@ struct lm_return_value {
u16 reserved;
} __attribute__((packed));
-struct wmid3_gds_input_param { /* Get Device Status input parameter */
+struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
+ u8 function_num; /* Function Number */
+ u8 hotkey_number; /* Hotkey Number */
+ u16 devices; /* Set Device */
+ u8 volume_value; /* Volume Value */
+} __attribute__((packed));
+
+struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
u8 function_num; /* Function Number */
u8 hotkey_number; /* Hotkey Number */
u16 devices; /* Get Device */
@@ -171,6 +185,11 @@ struct hotkey_function_type_aa {
u8 length;
u16 handle;
u16 commun_func_bitmap;
+ u16 application_func_bitmap;
+ u16 media_func_bitmap;
+ u16 display_func_bitmap;
+ u16 others_func_bitmap;
+ u8 commun_fn_key_number;
} __attribute__((packed));
/*
@@ -207,6 +226,7 @@ static int force_series;
static bool ec_raw_mode;
static bool has_type_aa;
static u16 commun_func_bitmap;
+static u8 commun_fn_key_number;
module_param(mailled, int, 0444);
module_param(brightness, int, 0444);
@@ -468,6 +488,15 @@ static struct dmi_system_id acer_quirks[] = {
},
{
.callback = dmi_matched,
+ .ident = "Lenovo Ideapad S205 (Brazos)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
+ },
+ .driver_data = &quirk_lenovo_ideapad_s205,
+ },
+ {
+ .callback = dmi_matched,
.ident = "Lenovo 3000 N200",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
@@ -478,6 +507,25 @@ static struct dmi_system_id acer_quirks[] = {
{}
};
+static int video_set_backlight_video_vendor(const struct dmi_system_id *d)
+{
+ interface->capability &= ~ACER_CAP_BRIGHTNESS;
+ pr_info("Brightness must be controlled by generic video driver\n");
+ return 0;
+}
+
+static const struct dmi_system_id video_vendor_dmi_table[] = {
+ {
+ .callback = video_set_backlight_video_vendor,
+ .ident = "Acer TravelMate 4750",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
+ },
+ },
+ {}
+};
+
/* Find which quirks are needed for a particular vendor/ model pair */
static void find_quirks(void)
{
@@ -536,8 +584,7 @@ struct acpi_buffer *result)
return status;
}
-static acpi_status AMW0_get_u32(u32 *value, u32 cap,
-struct wmi_interface *iface)
+static acpi_status AMW0_get_u32(u32 *value, u32 cap)
{
int err;
u8 result;
@@ -607,7 +654,7 @@ struct wmi_interface *iface)
return AE_OK;
}
-static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
+static acpi_status AMW0_set_u32(u32 value, u32 cap)
{
struct wmab_args args;
@@ -692,6 +739,7 @@ static const struct acpi_device_id norfkill_ids[] = {
{ "VPC2004", 0},
{ "IBM0068", 0},
{ "LEN0068", 0},
+ { "SNY5001", 0}, /* sony-laptop in charge */
{ "", 0},
};
@@ -827,8 +875,7 @@ WMI_execute_u32(u32 method_id, u32 in, u32 *out)
return status;
}
-static acpi_status WMID_get_u32(u32 *value, u32 cap,
-struct wmi_interface *iface)
+static acpi_status WMID_get_u32(u32 *value, u32 cap)
{
acpi_status status;
u8 tmp;
@@ -864,7 +911,7 @@ struct wmi_interface *iface)
return status;
}
-static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
+static acpi_status WMID_set_u32(u32 value, u32 cap)
{
u32 method_id = 0;
char param;
@@ -912,13 +959,13 @@ static acpi_status wmid3_get_device_status(u32 *value, u16 device)
struct wmid3_gds_return_value return_value;
acpi_status status;
union acpi_object *obj;
- struct wmid3_gds_input_param params = {
+ struct wmid3_gds_get_input_param params = {
.function_num = 0x1,
- .hotkey_number = 0x01,
+ .hotkey_number = commun_fn_key_number,
.devices = device,
};
struct acpi_buffer input = {
- sizeof(struct wmid3_gds_input_param),
+ sizeof(struct wmid3_gds_get_input_param),
&params
};
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -981,19 +1028,28 @@ static acpi_status wmid3_set_device_status(u32 value, u16 device)
acpi_status status;
union acpi_object *obj;
u16 devices;
- struct wmid3_gds_input_param params = {
+ struct wmid3_gds_get_input_param get_params = {
.function_num = 0x1,
- .hotkey_number = 0x01,
+ .hotkey_number = commun_fn_key_number,
.devices = commun_func_bitmap,
};
- struct acpi_buffer input = {
- sizeof(struct wmid3_gds_input_param),
- &params
+ struct acpi_buffer get_input = {
+ sizeof(struct wmid3_gds_get_input_param),
+ &get_params
+ };
+ struct wmid3_gds_set_input_param set_params = {
+ .function_num = 0x2,
+ .hotkey_number = commun_fn_key_number,
+ .devices = commun_func_bitmap,
+ };
+ struct acpi_buffer set_input = {
+ sizeof(struct wmid3_gds_set_input_param),
+ &set_params
};
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
- status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
+ status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
if (ACPI_FAILURE(status))
return status;
@@ -1006,7 +1062,7 @@ static acpi_status wmid3_set_device_status(u32 value, u16 device)
return AE_ERROR;
}
if (obj->buffer.length != 8) {
- pr_warning("Unknown buffer length %d\n", obj->buffer.length);
+ pr_warn("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
@@ -1015,18 +1071,16 @@ static acpi_status wmid3_set_device_status(u32 value, u16 device)
kfree(obj);
if (return_value.error_code || return_value.ec_return_value) {
- pr_warning("Get Current Device Status failed: "
- "0x%x - 0x%x\n", return_value.error_code,
+ pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
+ return_value.error_code,
return_value.ec_return_value);
return status;
}
devices = return_value.devices;
- params.function_num = 0x2;
- params.hotkey_number = 0x01;
- params.devices = (value) ? (devices | device) : (devices & ~device);
+ set_params.devices = (value) ? (devices | device) : (devices & ~device);
- status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output2);
+ status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
if (ACPI_FAILURE(status))
return status;
@@ -1039,7 +1093,7 @@ static acpi_status wmid3_set_device_status(u32 value, u16 device)
return AE_ERROR;
}
if (obj->buffer.length != 4) {
- pr_warning("Unknown buffer length %d\n", obj->buffer.length);
+ pr_warn("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
@@ -1048,8 +1102,8 @@ static acpi_status wmid3_set_device_status(u32 value, u16 device)
kfree(obj);
if (return_value.error_code || return_value.ec_return_value)
- pr_warning("Set Device Status failed: "
- "0x%x - 0x%x\n", return_value.error_code,
+ pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
+ return_value.error_code,
return_value.ec_return_value);
return status;
@@ -1096,6 +1150,8 @@ static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
interface->capability |= ACER_CAP_THREEG;
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
interface->capability |= ACER_CAP_BLUETOOTH;
+
+ commun_fn_key_number = type_aa->commun_fn_key_number;
}
static acpi_status WMID_set_capabilities(void)
@@ -1154,15 +1210,15 @@ static acpi_status get_u32(u32 *value, u32 cap)
switch (interface->type) {
case ACER_AMW0:
- status = AMW0_get_u32(value, cap, interface);
+ status = AMW0_get_u32(value, cap);
break;
case ACER_AMW0_V2:
if (cap == ACER_CAP_MAILLED) {
- status = AMW0_get_u32(value, cap, interface);
+ status = AMW0_get_u32(value, cap);
break;
}
case ACER_WMID:
- status = WMID_get_u32(value, cap, interface);
+ status = WMID_get_u32(value, cap);
break;
case ACER_WMID_v2:
if (cap & (ACER_CAP_WIRELESS |
@@ -1170,7 +1226,7 @@ static acpi_status get_u32(u32 *value, u32 cap)
ACER_CAP_THREEG))
status = wmid_v2_get_u32(value, cap);
else if (wmi_has_guid(WMID_GUID2))
- status = WMID_get_u32(value, cap, interface);
+ status = WMID_get_u32(value, cap);
break;
}
@@ -1184,10 +1240,10 @@ static acpi_status set_u32(u32 value, u32 cap)
if (interface->capability & cap) {
switch (interface->type) {
case ACER_AMW0:
- return AMW0_set_u32(value, cap, interface);
+ return AMW0_set_u32(value, cap);
case ACER_AMW0_V2:
if (cap == ACER_CAP_MAILLED)
- return AMW0_set_u32(value, cap, interface);
+ return AMW0_set_u32(value, cap);
/*
* On some models, some WMID methods don't toggle
@@ -1197,21 +1253,21 @@ static acpi_status set_u32(u32 value, u32 cap)
*/
if (cap == ACER_CAP_WIRELESS ||
cap == ACER_CAP_BLUETOOTH) {
- status = WMID_set_u32(value, cap, interface);
+ status = WMID_set_u32(value, cap);
if (ACPI_FAILURE(status))
return status;
- return AMW0_set_u32(value, cap, interface);
+ return AMW0_set_u32(value, cap);
}
case ACER_WMID:
- return WMID_set_u32(value, cap, interface);
+ return WMID_set_u32(value, cap);
case ACER_WMID_v2:
if (cap & (ACER_CAP_WIRELESS |
ACER_CAP_BLUETOOTH |
ACER_CAP_THREEG))
return wmid_v2_set_u32(value, cap);
else if (wmi_has_guid(WMID_GUID2))
- return WMID_set_u32(value, cap, interface);
+ return WMID_set_u32(value, cap);
default:
return AE_BAD_PARAMETER;
}
@@ -1488,8 +1544,8 @@ static ssize_t show_bool_threeg(struct device *dev,
u32 result; \
acpi_status status;
- pr_info("This threeg sysfs will be removed in 2012"
- " - used by: %s\n", current->comm);
+ pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
+ current->comm);
status = get_u32(&result, ACER_CAP_THREEG);
if (ACPI_SUCCESS(status))
return sprintf(buf, "%u\n", result);
@@ -1501,8 +1557,8 @@ static ssize_t set_bool_threeg(struct device *dev,
{
u32 tmp = simple_strtoul(buf, NULL, 10);
acpi_status status = set_u32(tmp, ACER_CAP_THREEG);
- pr_info("This threeg sysfs will be removed in 2012"
- " - used by: %s\n", current->comm);
+ pr_info("This threeg sysfs will be removed in 2012 - used by: %s\n",
+ current->comm);
if (ACPI_FAILURE(status))
return -EINVAL;
return count;
@@ -1513,8 +1569,8 @@ static DEVICE_ATTR(threeg, S_IRUGO | S_IWUSR, show_bool_threeg,
static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
char *buf)
{
- pr_info("This interface sysfs will be removed in 2012"
- " - used by: %s\n", current->comm);
+ pr_info("This interface sysfs will be removed in 2012 - used by: %s\n",
+ current->comm);
switch (interface->type) {
case ACER_AMW0:
return sprintf(buf, "AMW0\n");
@@ -1981,9 +2037,13 @@ static int __init acer_wmi_init(void)
set_quirks();
if (acpi_video_backlight_support()) {
- interface->capability &= ~ACER_CAP_BRIGHTNESS;
- pr_info("Brightness must be controlled by "
- "generic video driver\n");
+ if (dmi_check_system(video_vendor_dmi_table)) {
+ acpi_video_unregister();
+ } else {
+ interface->capability &= ~ACER_CAP_BRIGHTNESS;
+ pr_info("Brightness must be controlled by "
+ "acpi video driver\n");
+ }
}
if (wmi_has_guid(WMID_GUID3)) {
@@ -2008,7 +2068,7 @@ static int __init acer_wmi_init(void)
err = platform_driver_register(&acer_platform_driver);
if (err) {
- pr_err("Unable to register platform driver.\n");
+ pr_err("Unable to register platform driver\n");
goto error_platform_register;
}
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 760c6d7624fe..bc8384c6f3eb 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -244,12 +244,11 @@ static void acerhdf_change_fanstate(int state)
unsigned char cmd;
if (verbose)
- pr_notice("fan %s\n", (state == ACERHDF_FAN_OFF) ?
- "OFF" : "ON");
+ pr_notice("fan %s\n", state == ACERHDF_FAN_OFF ? "OFF" : "ON");
if ((state != ACERHDF_FAN_OFF) && (state != ACERHDF_FAN_AUTO)) {
pr_err("invalid fan state %d requested, setting to auto!\n",
- state);
+ state);
state = ACERHDF_FAN_AUTO;
}
@@ -264,19 +263,18 @@ static void acerhdf_check_param(struct thermal_zone_device *thermal)
{
if (fanon > ACERHDF_MAX_FANON) {
pr_err("fanon temperature too high, set to %d\n",
- ACERHDF_MAX_FANON);
+ ACERHDF_MAX_FANON);
fanon = ACERHDF_MAX_FANON;
}
if (kernelmode && prev_interval != interval) {
if (interval > ACERHDF_MAX_INTERVAL) {
pr_err("interval too high, set to %d\n",
- ACERHDF_MAX_INTERVAL);
+ ACERHDF_MAX_INTERVAL);
interval = ACERHDF_MAX_INTERVAL;
}
if (verbose)
- pr_notice("interval changed to: %d\n",
- interval);
+ pr_notice("interval changed to: %d\n", interval);
thermal->polling_delay = interval*1000;
prev_interval = interval;
}
@@ -587,8 +585,8 @@ static int acerhdf_check_hardware(void)
}
if (!bios_cfg) {
- pr_err("unknown (unsupported) BIOS version %s/%s/%s, "
- "please report, aborting!\n", vendor, product, version);
+ pr_err("unknown (unsupported) BIOS version %s/%s/%s, please report, aborting!\n",
+ vendor, product, version);
return -EINVAL;
}
@@ -598,8 +596,7 @@ static int acerhdf_check_hardware(void)
*/
if (!kernelmode) {
pr_notice("Fan control off, to enable do:\n");
- pr_notice("echo -n \"enabled\" > "
- "/sys/class/thermal/thermal_zone0/mode\n");
+ pr_notice("echo -n \"enabled\" > /sys/class/thermal/thermal_zone0/mode\n");
}
return 0;
diff --git a/drivers/platform/x86/amilo-rfkill.c b/drivers/platform/x86/amilo-rfkill.c
index 19170bb7700b..a514bf66fdd7 100644
--- a/drivers/platform/x86/amilo-rfkill.c
+++ b/drivers/platform/x86/amilo-rfkill.c
@@ -97,9 +97,12 @@ static struct rfkill *amilo_rfkill_dev;
static int __devinit amilo_rfkill_probe(struct platform_device *device)
{
+ int rc;
const struct dmi_system_id *system_id =
dmi_first_match(amilo_rfkill_id_table);
- int rc;
+
+ if (!system_id)
+ return -ENXIO;
amilo_rfkill_dev = rfkill_alloc(KBUILD_MODNAME, &device->dev,
RFKILL_TYPE_WLAN,
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
new file mode 100644
index 000000000000..8a582bdfdc76
--- /dev/null
+++ b/drivers/platform/x86/apple-gmux.c
@@ -0,0 +1,244 @@
+/*
+ * Gmux driver for Apple laptops
+ *
+ * Copyright (C) Canonical Ltd. <seth.forshee@canonical.com>
+ *
+ * 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/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/backlight.h>
+#include <linux/acpi.h>
+#include <linux/pnp.h>
+#include <linux/apple_bl.h>
+#include <linux/slab.h>
+#include <acpi/video.h>
+#include <asm/io.h>
+
+struct apple_gmux_data {
+ unsigned long iostart;
+ unsigned long iolen;
+
+ struct backlight_device *bdev;
+};
+
+/*
+ * gmux port offsets. Many of these are not yet used, but may be in the
+ * future, and it's useful to have them documented here anyhow.
+ */
+#define GMUX_PORT_VERSION_MAJOR 0x04
+#define GMUX_PORT_VERSION_MINOR 0x05
+#define GMUX_PORT_VERSION_RELEASE 0x06
+#define GMUX_PORT_SWITCH_DISPLAY 0x10
+#define GMUX_PORT_SWITCH_GET_DISPLAY 0x11
+#define GMUX_PORT_INTERRUPT_ENABLE 0x14
+#define GMUX_PORT_INTERRUPT_STATUS 0x16
+#define GMUX_PORT_SWITCH_DDC 0x28
+#define GMUX_PORT_SWITCH_EXTERNAL 0x40
+#define GMUX_PORT_SWITCH_GET_EXTERNAL 0x41
+#define GMUX_PORT_DISCRETE_POWER 0x50
+#define GMUX_PORT_MAX_BRIGHTNESS 0x70
+#define GMUX_PORT_BRIGHTNESS 0x74
+
+#define GMUX_MIN_IO_LEN (GMUX_PORT_BRIGHTNESS + 4)
+
+#define GMUX_INTERRUPT_ENABLE 0xff
+#define GMUX_INTERRUPT_DISABLE 0x00
+
+#define GMUX_INTERRUPT_STATUS_ACTIVE 0
+#define GMUX_INTERRUPT_STATUS_DISPLAY (1 << 0)
+#define GMUX_INTERRUPT_STATUS_POWER (1 << 2)
+#define GMUX_INTERRUPT_STATUS_HOTPLUG (1 << 3)
+
+#define GMUX_BRIGHTNESS_MASK 0x00ffffff
+#define GMUX_MAX_BRIGHTNESS GMUX_BRIGHTNESS_MASK
+
+static inline u8 gmux_read8(struct apple_gmux_data *gmux_data, int port)
+{
+ return inb(gmux_data->iostart + port);
+}
+
+static inline void gmux_write8(struct apple_gmux_data *gmux_data, int port,
+ u8 val)
+{
+ outb(val, gmux_data->iostart + port);
+}
+
+static inline u32 gmux_read32(struct apple_gmux_data *gmux_data, int port)
+{
+ return inl(gmux_data->iostart + port);
+}
+
+static int gmux_get_brightness(struct backlight_device *bd)
+{
+ struct apple_gmux_data *gmux_data = bl_get_data(bd);
+ return gmux_read32(gmux_data, GMUX_PORT_BRIGHTNESS) &
+ GMUX_BRIGHTNESS_MASK;
+}
+
+static int gmux_update_status(struct backlight_device *bd)
+{
+ struct apple_gmux_data *gmux_data = bl_get_data(bd);
+ u32 brightness = bd->props.brightness;
+
+ /*
+ * Older gmux versions require writing out lower bytes first then
+ * setting the upper byte to 0 to flush the values. Newer versions
+ * accept a single u32 write, but the old method also works, so we
+ * just use the old method for all gmux versions.
+ */
+ gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS, brightness);
+ gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 1, brightness >> 8);
+ gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 2, brightness >> 16);
+ gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 3, 0);
+
+ return 0;
+}
+
+static const struct backlight_ops gmux_bl_ops = {
+ .get_brightness = gmux_get_brightness,
+ .update_status = gmux_update_status,
+};
+
+static int __devinit gmux_probe(struct pnp_dev *pnp,
+ const struct pnp_device_id *id)
+{
+ struct apple_gmux_data *gmux_data;
+ struct resource *res;
+ struct backlight_properties props;
+ struct backlight_device *bdev;
+ u8 ver_major, ver_minor, ver_release;
+ int ret = -ENXIO;
+
+ gmux_data = kzalloc(sizeof(*gmux_data), GFP_KERNEL);
+ if (!gmux_data)
+ return -ENOMEM;
+ pnp_set_drvdata(pnp, gmux_data);
+
+ res = pnp_get_resource(pnp, IORESOURCE_IO, 0);
+ if (!res) {
+ pr_err("Failed to find gmux I/O resource\n");
+ goto err_free;
+ }
+
+ gmux_data->iostart = res->start;
+ gmux_data->iolen = res->end - res->start;
+
+ if (gmux_data->iolen < GMUX_MIN_IO_LEN) {
+ pr_err("gmux I/O region too small (%lu < %u)\n",
+ gmux_data->iolen, GMUX_MIN_IO_LEN);
+ goto err_free;
+ }
+
+ if (!request_region(gmux_data->iostart, gmux_data->iolen,
+ "Apple gmux")) {
+ pr_err("gmux I/O already in use\n");
+ goto err_free;
+ }
+
+ /*
+ * On some machines the gmux is in ACPI even thought the machine
+ * doesn't really have a gmux. Check for invalid version information
+ * to detect this.
+ */
+ ver_major = gmux_read8(gmux_data, GMUX_PORT_VERSION_MAJOR);
+ ver_minor = gmux_read8(gmux_data, GMUX_PORT_VERSION_MINOR);
+ ver_release = gmux_read8(gmux_data, GMUX_PORT_VERSION_RELEASE);
+ if (ver_major == 0xff && ver_minor == 0xff && ver_release == 0xff) {
+ pr_info("gmux device not present\n");
+ ret = -ENODEV;
+ goto err_release;
+ }
+
+ pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor,
+ ver_release);
+
+ memset(&props, 0, sizeof(props));
+ props.type = BACKLIGHT_PLATFORM;
+ props.max_brightness = gmux_read32(gmux_data, GMUX_PORT_MAX_BRIGHTNESS);
+
+ /*
+ * Currently it's assumed that the maximum brightness is less than
+ * 2^24 for compatibility with old gmux versions. Cap the max
+ * brightness at this value, but print a warning if the hardware
+ * reports something higher so that it can be fixed.
+ */
+ if (WARN_ON(props.max_brightness > GMUX_MAX_BRIGHTNESS))
+ props.max_brightness = GMUX_MAX_BRIGHTNESS;
+
+ bdev = backlight_device_register("gmux_backlight", &pnp->dev,
+ gmux_data, &gmux_bl_ops, &props);
+ if (IS_ERR(bdev)) {
+ ret = PTR_ERR(bdev);
+ goto err_release;
+ }
+
+ gmux_data->bdev = bdev;
+ bdev->props.brightness = gmux_get_brightness(bdev);
+ backlight_update_status(bdev);
+
+ /*
+ * The backlight situation on Macs is complicated. If the gmux is
+ * present it's the best choice, because it always works for
+ * backlight control and supports more levels than other options.
+ * Disable the other backlight choices.
+ */
+ acpi_video_unregister();
+ apple_bl_unregister();
+
+ return 0;
+
+err_release:
+ release_region(gmux_data->iostart, gmux_data->iolen);
+err_free:
+ kfree(gmux_data);
+ return ret;
+}
+
+static void __devexit gmux_remove(struct pnp_dev *pnp)
+{
+ struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp);
+
+ backlight_device_unregister(gmux_data->bdev);
+ release_region(gmux_data->iostart, gmux_data->iolen);
+ kfree(gmux_data);
+
+ acpi_video_register();
+ apple_bl_register();
+}
+
+static const struct pnp_device_id gmux_device_ids[] = {
+ {"APP000B", 0},
+ {"", 0}
+};
+
+static struct pnp_driver gmux_pnp_driver = {
+ .name = "apple-gmux",
+ .probe = gmux_probe,
+ .remove = __devexit_p(gmux_remove),
+ .id_table = gmux_device_ids,
+};
+
+static int __init apple_gmux_init(void)
+{
+ return pnp_register_driver(&gmux_pnp_driver);
+}
+
+static void __exit apple_gmux_exit(void)
+{
+ pnp_unregister_driver(&gmux_pnp_driver);
+}
+
+module_init(apple_gmux_init);
+module_exit(apple_gmux_exit);
+
+MODULE_AUTHOR("Seth Forshee <seth.forshee@canonical.com>");
+MODULE_DESCRIPTION("Apple Gmux Driver");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pnp, gmux_device_ids);
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index b7944f903886..e38f91be0b10 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -81,6 +81,19 @@ static uint wapf = 1;
module_param(wapf, uint, 0444);
MODULE_PARM_DESC(wapf, "WAPF value");
+static char *wled_type = "unknown";
+static char *bled_type = "unknown";
+
+module_param(wled_type, charp, 0444);
+MODULE_PARM_DESC(wlan_status, "Set the wled type on boot "
+ "(unknown, led or rfkill). "
+ "default is unknown");
+
+module_param(bled_type, charp, 0444);
+MODULE_PARM_DESC(bled_type, "Set the bled type on boot "
+ "(unknown, led or rfkill). "
+ "default is unknown");
+
static int wlan_status = 1;
static int bluetooth_status = 1;
static int wimax_status = -1;
@@ -137,6 +150,11 @@ MODULE_PARM_DESC(als_status, "Set the ALS status on boot "
#define WM_RSTS 0x08 /* internal wimax */
#define WW_RSTS 0x20 /* internal wwan */
+/* WLED and BLED type */
+#define TYPE_UNKNOWN 0
+#define TYPE_LED 1
+#define TYPE_RFKILL 2
+
/* LED */
#define METHOD_MLED "MLED"
#define METHOD_TLED "TLED"
@@ -218,8 +236,9 @@ struct asus_led {
/*
* Same thing for rfkill
*/
-struct asus_pega_rfkill {
- int control_id; /* type of control. Maps to PEGA_* values */
+struct asus_rfkill {
+ /* type of control. Maps to PEGA_* values or *_RSTS */
+ int control_id;
struct rfkill *rfkill;
struct asus_laptop *asus;
};
@@ -240,6 +259,8 @@ struct asus_laptop {
struct key_entry *keymap;
struct input_polled_dev *pega_accel_poll;
+ struct asus_led wled;
+ struct asus_led bled;
struct asus_led mled;
struct asus_led tled;
struct asus_led rled;
@@ -248,6 +269,8 @@ struct asus_laptop {
struct asus_led kled;
struct workqueue_struct *led_workqueue;
+ int wled_type;
+ int bled_type;
int wireless_status;
bool have_rsts;
bool is_pega_lucid;
@@ -256,11 +279,11 @@ struct asus_laptop {
int pega_acc_y;
int pega_acc_z;
- struct rfkill *gps_rfkill;
-
- struct asus_pega_rfkill wlanrfk;
- struct asus_pega_rfkill btrfk;
- struct asus_pega_rfkill wwanrfk;
+ struct asus_rfkill wlan;
+ struct asus_rfkill bluetooth;
+ struct asus_rfkill wwan;
+ struct asus_rfkill wimax;
+ struct asus_rfkill gps;
acpi_handle handle; /* the handle of the hotk device */
u32 ledd_status; /* status of the LED display */
@@ -274,6 +297,7 @@ static const struct key_entry asus_keymap[] = {
{KE_KEY, 0x02, { KEY_SCREENLOCK } },
{KE_KEY, 0x05, { KEY_WLAN } },
{KE_KEY, 0x08, { KEY_F13 } },
+ {KE_KEY, 0x09, { KEY_PROG2 } }, /* Dock */
{KE_KEY, 0x17, { KEY_ZOOM } },
{KE_KEY, 0x1f, { KEY_BATTERY } },
/* End of Lenovo SL Specific keycodes */
@@ -299,6 +323,8 @@ static const struct key_entry asus_keymap[] = {
{KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } },
{KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } },
{KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */
+ {KE_KEY, 0x6C, { KEY_SLEEP } }, /* Suspend */
+ {KE_KEY, 0x6D, { KEY_SLEEP } }, /* Hibernate */
{KE_KEY, 0x7E, { KEY_BLUETOOTH } },
{KE_KEY, 0x7D, { KEY_BLUETOOTH } },
{KE_KEY, 0x82, { KEY_CAMERA } },
@@ -601,6 +627,10 @@ static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
static void asus_led_exit(struct asus_laptop *asus)
{
+ if (!IS_ERR_OR_NULL(asus->wled.led.dev))
+ led_classdev_unregister(&asus->wled.led);
+ if (!IS_ERR_OR_NULL(asus->bled.led.dev))
+ led_classdev_unregister(&asus->bled.led);
if (!IS_ERR_OR_NULL(asus->mled.led.dev))
led_classdev_unregister(&asus->mled.led);
if (!IS_ERR_OR_NULL(asus->tled.led.dev))
@@ -642,7 +672,7 @@ static int asus_led_register(struct asus_laptop *asus,
static int asus_led_init(struct asus_laptop *asus)
{
- int r;
+ int r = 0;
/*
* The Pegatron Lucid has no physical leds, but all methods are
@@ -661,6 +691,16 @@ static int asus_led_init(struct asus_laptop *asus)
if (!asus->led_workqueue)
return -ENOMEM;
+ if (asus->wled_type == TYPE_LED)
+ r = asus_led_register(asus, &asus->wled, "asus::wlan",
+ METHOD_WLAN);
+ if (r)
+ goto error;
+ if (asus->bled_type == TYPE_LED)
+ r = asus_led_register(asus, &asus->bled, "asus::bluetooth",
+ METHOD_BLUETOOTH);
+ if (r)
+ goto error;
r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
if (r)
goto error;
@@ -963,7 +1003,7 @@ static ssize_t store_wlan(struct device *dev, struct device_attribute *attr,
return sysfs_acpi_set(asus, buf, count, METHOD_WLAN);
}
-/*
+/*e
* Bluetooth
*/
static int asus_bluetooth_set(struct asus_laptop *asus, int status)
@@ -1228,7 +1268,7 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
ret = asus_gps_switch(asus, !!value);
if (ret)
return ret;
- rfkill_set_sw_state(asus->gps_rfkill, !value);
+ rfkill_set_sw_state(asus->gps.rfkill, !value);
return rv;
}
@@ -1246,90 +1286,139 @@ static const struct rfkill_ops asus_gps_rfkill_ops = {
.set_block = asus_gps_rfkill_set,
};
+static int asus_rfkill_set(void *data, bool blocked)
+{
+ struct asus_rfkill *rfk = data;
+ struct asus_laptop *asus = rfk->asus;
+
+ if (rfk->control_id == WL_RSTS)
+ return asus_wlan_set(asus, !blocked);
+ else if (rfk->control_id == BT_RSTS)
+ return asus_bluetooth_set(asus, !blocked);
+ else if (rfk->control_id == WM_RSTS)
+ return asus_wimax_set(asus, !blocked);
+ else if (rfk->control_id == WW_RSTS)
+ return asus_wwan_set(asus, !blocked);
+
+ return -EINVAL;
+}
+
+static const struct rfkill_ops asus_rfkill_ops = {
+ .set_block = asus_rfkill_set,
+};
+
+static void asus_rfkill_terminate(struct asus_rfkill *rfk)
+{
+ if (!rfk->rfkill)
+ return ;
+
+ rfkill_unregister(rfk->rfkill);
+ rfkill_destroy(rfk->rfkill);
+ rfk->rfkill = NULL;
+}
+
static void asus_rfkill_exit(struct asus_laptop *asus)
{
- if (asus->gps_rfkill) {
- rfkill_unregister(asus->gps_rfkill);
- rfkill_destroy(asus->gps_rfkill);
- asus->gps_rfkill = NULL;
- }
+ asus_rfkill_terminate(&asus->wwan);
+ asus_rfkill_terminate(&asus->bluetooth);
+ asus_rfkill_terminate(&asus->wlan);
+ asus_rfkill_terminate(&asus->gps);
}
-static int asus_rfkill_init(struct asus_laptop *asus)
+static int asus_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
+ const char *name, int control_id, int type,
+ const struct rfkill_ops *ops)
{
int result;
- if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) ||
- acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) ||
- acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
- return 0;
-
- asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev,
- RFKILL_TYPE_GPS,
- &asus_gps_rfkill_ops, asus);
- if (!asus->gps_rfkill)
+ rfk->control_id = control_id;
+ rfk->asus = asus;
+ rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,
+ type, ops, rfk);
+ if (!rfk->rfkill)
return -EINVAL;
- result = rfkill_register(asus->gps_rfkill);
+ result = rfkill_register(rfk->rfkill);
if (result) {
- rfkill_destroy(asus->gps_rfkill);
- asus->gps_rfkill = NULL;
+ rfkill_destroy(rfk->rfkill);
+ rfk->rfkill = NULL;
}
return result;
}
-static int pega_rfkill_set(void *data, bool blocked)
+static int asus_rfkill_init(struct asus_laptop *asus)
{
- struct asus_pega_rfkill *pega_rfk = data;
+ int result = 0;
- int ret = asus_pega_lucid_set(pega_rfk->asus, pega_rfk->control_id, !blocked);
- pr_warn("Setting rfkill %d, to %d; returned %d\n", pega_rfk->control_id, !blocked, ret);
+ if (asus->is_pega_lucid)
+ return -ENODEV;
- return ret;
-}
+ if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
+ !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
+ !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
+ result = asus_rfkill_setup(asus, &asus->gps, "asus-gps",
+ -1, RFKILL_TYPE_GPS,
+ &asus_gps_rfkill_ops);
+ if (result)
+ goto exit;
-static const struct rfkill_ops pega_rfkill_ops = {
- .set_block = pega_rfkill_set,
-};
-static void pega_rfkill_terminate(struct asus_pega_rfkill *pega_rfk)
-{
- pr_warn("Terminating %d\n", pega_rfk->control_id);
- if (pega_rfk->rfkill) {
- rfkill_unregister(pega_rfk->rfkill);
- rfkill_destroy(pega_rfk->rfkill);
- pega_rfk->rfkill = NULL;
- }
-}
+ if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL) &&
+ asus->wled_type == TYPE_RFKILL)
+ result = asus_rfkill_setup(asus, &asus->wlan, "asus-wlan",
+ WL_RSTS, RFKILL_TYPE_WLAN,
+ &asus_rfkill_ops);
+ if (result)
+ goto exit;
-static void pega_rfkill_exit(struct asus_laptop *asus)
-{
- pega_rfkill_terminate(&asus->wwanrfk);
- pega_rfkill_terminate(&asus->btrfk);
- pega_rfkill_terminate(&asus->wlanrfk);
+ if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL) &&
+ asus->bled_type == TYPE_RFKILL)
+ result = asus_rfkill_setup(asus, &asus->bluetooth,
+ "asus-bluetooth", BT_RSTS,
+ RFKILL_TYPE_BLUETOOTH,
+ &asus_rfkill_ops);
+ if (result)
+ goto exit;
+
+ if (!acpi_check_handle(asus->handle, METHOD_WWAN, NULL))
+ result = asus_rfkill_setup(asus, &asus->wwan, "asus-wwan",
+ WW_RSTS, RFKILL_TYPE_WWAN,
+ &asus_rfkill_ops);
+ if (result)
+ goto exit;
+
+ if (!acpi_check_handle(asus->handle, METHOD_WIMAX, NULL))
+ result = asus_rfkill_setup(asus, &asus->wimax, "asus-wimax",
+ WM_RSTS, RFKILL_TYPE_WIMAX,
+ &asus_rfkill_ops);
+ if (result)
+ goto exit;
+
+exit:
+ if (result)
+ asus_rfkill_exit(asus);
+
+ return result;
}
-static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_pega_rfkill *pega_rfk,
- const char *name, int controlid, int rfkill_type)
+static int pega_rfkill_set(void *data, bool blocked)
{
- int result;
+ struct asus_rfkill *rfk = data;
- pr_warn("Setting up rfk %s, control %d, type %d\n", name, controlid, rfkill_type);
- pega_rfk->control_id = controlid;
- pega_rfk->asus = asus;
- pega_rfk->rfkill = rfkill_alloc(name, &asus->platform_device->dev,
- rfkill_type, &pega_rfkill_ops, pega_rfk);
- if (!pega_rfk->rfkill)
- return -EINVAL;
+ int ret = asus_pega_lucid_set(rfk->asus, rfk->control_id, !blocked);
+ return ret;
+}
- result = rfkill_register(pega_rfk->rfkill);
- if (result) {
- rfkill_destroy(pega_rfk->rfkill);
- pega_rfk->rfkill = NULL;
- }
+static const struct rfkill_ops pega_rfkill_ops = {
+ .set_block = pega_rfkill_set,
+};
- return result;
+static int pega_rfkill_setup(struct asus_laptop *asus, struct asus_rfkill *rfk,
+ const char *name, int controlid, int rfkill_type)
+{
+ return asus_rfkill_setup(asus, rfk, name, controlid, rfkill_type,
+ &pega_rfkill_ops);
}
static int pega_rfkill_init(struct asus_laptop *asus)
@@ -1339,22 +1428,22 @@ static int pega_rfkill_init(struct asus_laptop *asus)
if(!asus->is_pega_lucid)
return -ENODEV;
- ret = pega_rfkill_setup(asus, &asus->wlanrfk, "pega-wlan", PEGA_WLAN, RFKILL_TYPE_WLAN);
- if(ret)
- return ret;
- ret = pega_rfkill_setup(asus, &asus->btrfk, "pega-bt", PEGA_BLUETOOTH, RFKILL_TYPE_BLUETOOTH);
+ ret = pega_rfkill_setup(asus, &asus->wlan, "pega-wlan",
+ PEGA_WLAN, RFKILL_TYPE_WLAN);
if(ret)
- goto err_btrfk;
- ret = pega_rfkill_setup(asus, &asus->wwanrfk, "pega-wwan", PEGA_WWAN, RFKILL_TYPE_WWAN);
+ goto exit;
+
+ ret = pega_rfkill_setup(asus, &asus->bluetooth, "pega-bt",
+ PEGA_BLUETOOTH, RFKILL_TYPE_BLUETOOTH);
if(ret)
- goto err_wwanrfk;
+ goto exit;
- pr_warn("Pega rfkill init succeeded\n");
- return 0;
-err_wwanrfk:
- pega_rfkill_terminate(&asus->btrfk);
-err_btrfk:
- pega_rfkill_terminate(&asus->wlanrfk);
+ ret = pega_rfkill_setup(asus, &asus->wwan, "pega-wwan",
+ PEGA_WWAN, RFKILL_TYPE_WWAN);
+
+exit:
+ if (ret)
+ asus_rfkill_exit(asus);
return ret;
}
@@ -1364,8 +1453,10 @@ err_btrfk:
*/
static void asus_input_notify(struct asus_laptop *asus, int event)
{
- if (asus->inputdev)
- sparse_keymap_report_event(asus->inputdev, event, 1, true);
+ if (!asus->inputdev)
+ return ;
+ if (!sparse_keymap_report_event(asus->inputdev, event, 1, true))
+ pr_info("Unknown key %x pressed\n", event);
}
static int asus_input_init(struct asus_laptop *asus)
@@ -1375,7 +1466,7 @@ static int asus_input_init(struct asus_laptop *asus)
input = input_allocate_device();
if (!input) {
- pr_info("Unable to allocate input device\n");
+ pr_warn("Unable to allocate input device\n");
return -ENOMEM;
}
input->name = "Asus Laptop extra buttons";
@@ -1390,7 +1481,7 @@ static int asus_input_init(struct asus_laptop *asus)
}
error = input_register_device(input);
if (error) {
- pr_info("Unable to register input device\n");
+ pr_warn("Unable to register input device\n");
goto err_free_keymap;
}
@@ -1688,7 +1779,16 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
if (result)
return result;
- /* WLED and BLED are on by default */
+ if (!strcmp(bled_type, "led"))
+ asus->bled_type = TYPE_LED;
+ else if (!strcmp(bled_type, "rfkill"))
+ asus->bled_type = TYPE_RFKILL;
+
+ if (!strcmp(wled_type, "led"))
+ asus->wled_type = TYPE_LED;
+ else if (!strcmp(wled_type, "rfkill"))
+ asus->wled_type = TYPE_RFKILL;
+
if (bluetooth_status >= 0)
asus_bluetooth_set(asus, !!bluetooth_status);
@@ -1786,7 +1886,7 @@ static int __devinit asus_acpi_add(struct acpi_device *device)
goto fail_led;
result = asus_rfkill_init(asus);
- if (result)
+ if (result && result != -ENODEV)
goto fail_rfkill;
result = pega_accel_init(asus);
@@ -1828,7 +1928,6 @@ static int asus_acpi_remove(struct acpi_device *device, int type)
asus_led_exit(asus);
asus_input_exit(asus);
pega_accel_exit(asus);
- pega_rfkill_exit(asus);
asus_platform_exit(asus);
kfree(asus->name);
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index b0859d4183e8..99a30b513137 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -25,6 +25,7 @@
#include <linux/init.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
+#include <linux/fb.h>
#include "asus-wmi.h"
@@ -51,9 +52,14 @@ static uint wapf;
module_param(wapf, uint, 0444);
MODULE_PARM_DESC(wapf, "WAPF value");
+static struct quirk_entry quirk_asus_unknown = {
+};
+
static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
{
- driver->wapf = wapf;
+ driver->quirks = &quirk_asus_unknown;
+ driver->quirks->wapf = wapf;
+ driver->panel_power = FB_BLANK_UNBLANK;
}
static const struct key_entry asus_nb_wmi_keymap[] = {
@@ -70,6 +76,8 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
{ KE_KEY, 0x50, { KEY_EMAIL } },
{ KE_KEY, 0x51, { KEY_WWW } },
{ KE_KEY, 0x55, { KEY_CALC } },
+ { KE_IGNORE, 0x57, }, /* Battery mode */
+ { KE_IGNORE, 0x58, }, /* AC mode */
{ KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
{ KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
{ KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
@@ -99,7 +107,7 @@ static struct asus_wmi_driver asus_nb_wmi_driver = {
.keymap = asus_nb_wmi_keymap,
.input_name = "Asus WMI hotkeys",
.input_phys = ASUS_NB_WMI_FILE "/input0",
- .quirks = asus_nb_wmi_quirks,
+ .detect_quirks = asus_nb_wmi_quirks,
};
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 9929246895de..77aadde5281c 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -411,7 +411,7 @@ static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
if (retval >= 0) {
if (level)
- *level = retval & 0x80 ? retval & 0x7F : 0;
+ *level = retval & 0x7F;
if (env)
*env = (retval >> 8) & 0x7F;
retval = 0;
@@ -784,7 +784,8 @@ static int asus_new_rfkill(struct asus_wmi *asus,
arfkill->dev_id = dev_id;
arfkill->asus = asus;
- if (dev_id == ASUS_WMI_DEVID_WLAN && asus->driver->hotplug_wireless)
+ if (dev_id == ASUS_WMI_DEVID_WLAN &&
+ asus->driver->quirks->hotplug_wireless)
*rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
&asus_rfkill_wlan_ops, arfkill);
else
@@ -895,7 +896,7 @@ static int asus_wmi_rfkill_init(struct asus_wmi *asus)
if (result && result != -ENODEV)
goto exit;
- if (!asus->driver->hotplug_wireless)
+ if (!asus->driver->quirks->hotplug_wireless)
goto exit;
result = asus_setup_pci_hotplug(asus);
@@ -1075,7 +1076,12 @@ static int asus_wmi_hwmon_init(struct asus_wmi *asus)
*/
static int read_backlight_power(struct asus_wmi *asus)
{
- int ret = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_BACKLIGHT);
+ int ret;
+ if (asus->driver->quirks->store_backlight_power)
+ ret = !asus->driver->panel_power;
+ else
+ ret = asus_wmi_get_devstate_simple(asus,
+ ASUS_WMI_DEVID_BACKLIGHT);
if (ret < 0)
return ret;
@@ -1116,26 +1122,51 @@ static int read_brightness(struct backlight_device *bd)
return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
}
-static int update_bl_status(struct backlight_device *bd)
+static u32 get_scalar_command(struct backlight_device *bd)
{
struct asus_wmi *asus = bl_get_data(bd);
- u32 ctrl_param;
- int power, err;
+ u32 ctrl_param = 0;
- ctrl_param = bd->props.brightness;
+ if ((asus->driver->brightness < bd->props.brightness) ||
+ bd->props.brightness == bd->props.max_brightness)
+ ctrl_param = 0x00008001;
+ else if ((asus->driver->brightness > bd->props.brightness) ||
+ bd->props.brightness == 0)
+ ctrl_param = 0x00008000;
- err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
- ctrl_param, NULL);
+ asus->driver->brightness = bd->props.brightness;
- if (err < 0)
- return err;
+ return ctrl_param;
+}
+
+static int update_bl_status(struct backlight_device *bd)
+{
+ struct asus_wmi *asus = bl_get_data(bd);
+ u32 ctrl_param;
+ int power, err = 0;
power = read_backlight_power(asus);
if (power != -ENODEV && bd->props.power != power) {
ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
ctrl_param, NULL);
+ if (asus->driver->quirks->store_backlight_power)
+ asus->driver->panel_power = bd->props.power;
+
+ /* When using scalar brightness, updating the brightness
+ * will mess with the backlight power */
+ if (asus->driver->quirks->scalar_panel_brightness)
+ return err;
}
+
+ if (asus->driver->quirks->scalar_panel_brightness)
+ ctrl_param = get_scalar_command(bd);
+ else
+ ctrl_param = bd->props.brightness;
+
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
+ ctrl_param, NULL);
+
return err;
}
@@ -1196,10 +1227,15 @@ static int asus_wmi_backlight_init(struct asus_wmi *asus)
asus->backlight_device = bd;
+ if (asus->driver->quirks->store_backlight_power)
+ asus->driver->panel_power = power;
+
bd->props.brightness = read_brightness(bd);
bd->props.power = power;
backlight_update_status(bd);
+ asus->driver->brightness = bd->props.brightness;
+
return 0;
}
@@ -1441,9 +1477,9 @@ static int asus_wmi_platform_init(struct asus_wmi *asus)
/* CWAP allow to define the behavior of the Fn+F2 key,
* this method doesn't seems to be present on Eee PCs */
- if (asus->driver->wapf >= 0)
+ if (asus->driver->quirks->wapf >= 0)
asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
- asus->driver->wapf, NULL);
+ asus->driver->quirks->wapf, NULL);
return asus_wmi_sysfs_init(asus->platform_device);
}
@@ -1622,8 +1658,8 @@ static int asus_wmi_add(struct platform_device *pdev)
wdrv->platform_device = pdev;
platform_set_drvdata(asus->platform_device, asus);
- if (wdrv->quirks)
- wdrv->quirks(asus->driver);
+ if (wdrv->detect_quirks)
+ wdrv->detect_quirks(asus->driver);
err = asus_wmi_platform_init(asus);
if (err)
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index 8147c10161cc..d43b66742004 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -35,9 +35,16 @@ struct module;
struct key_entry;
struct asus_wmi;
+struct quirk_entry {
+ bool hotplug_wireless;
+ bool scalar_panel_brightness;
+ bool store_backlight_power;
+ int wapf;
+};
+
struct asus_wmi_driver {
- bool hotplug_wireless;
- int wapf;
+ int brightness;
+ int panel_power;
const char *name;
struct module *owner;
@@ -47,13 +54,14 @@ struct asus_wmi_driver {
const struct key_entry *keymap;
const char *input_name;
const char *input_phys;
+ struct quirk_entry *quirks;
/* Returns new code, value, and autorelease values in arguments.
* Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
void (*key_filter) (struct asus_wmi_driver *driver, int *code,
unsigned int *value, bool *autorelease);
int (*probe) (struct platform_device *device);
- void (*quirks) (struct asus_wmi_driver *driver);
+ void (*detect_quirks) (struct asus_wmi_driver *driver);
struct platform_driver platform_driver;
struct platform_device *platform_device;
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
deleted file mode 100644
index 6f966d6c062b..000000000000
--- a/drivers/platform/x86/asus_acpi.c
+++ /dev/null
@@ -1,1513 +0,0 @@
-/*
- * asus_acpi.c - Asus Laptop ACPI Extras
- *
- *
- * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
- *
- * 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
- *
- *
- * The development page for this driver is located at
- * http://sourceforge.net/projects/acpi4asus/
- *
- * Credits:
- * Pontus Fuchs - Helper functions, cleanup
- * Johann Wiesner - Small compile fixes
- * John Belmonte - ACPI code for Toshiba laptop was a good starting point.
- * �ic Burghard - LED display support for W1N
- *
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/backlight.h>
-#include <acpi/acpi_drivers.h>
-#include <acpi/acpi_bus.h>
-#include <asm/uaccess.h>
-
-#define ASUS_ACPI_VERSION "0.30"
-
-#define PROC_ASUS "asus" /* The directory */
-#define PROC_MLED "mled"
-#define PROC_WLED "wled"
-#define PROC_TLED "tled"
-#define PROC_BT "bluetooth"
-#define PROC_LEDD "ledd"
-#define PROC_INFO "info"
-#define PROC_LCD "lcd"
-#define PROC_BRN "brn"
-#define PROC_DISP "disp"
-
-#define ACPI_HOTK_NAME "Asus Laptop ACPI Extras Driver"
-#define ACPI_HOTK_CLASS "hotkey"
-#define ACPI_HOTK_DEVICE_NAME "Hotkey"
-
-/*
- * Some events we use, same for all Asus
- */
-#define BR_UP 0x10
-#define BR_DOWN 0x20
-
-/*
- * Flags for hotk status
- */
-#define MLED_ON 0x01 /* Mail LED */
-#define WLED_ON 0x02 /* Wireless LED */
-#define TLED_ON 0x04 /* Touchpad LED */
-#define BT_ON 0x08 /* Internal Bluetooth */
-
-MODULE_AUTHOR("Julien Lerouge, Karol Kozimor");
-MODULE_DESCRIPTION(ACPI_HOTK_NAME);
-MODULE_LICENSE("GPL");
-
-static uid_t asus_uid;
-static gid_t asus_gid;
-module_param(asus_uid, uint, 0);
-MODULE_PARM_DESC(asus_uid, "UID for entries in /proc/acpi/asus");
-module_param(asus_gid, uint, 0);
-MODULE_PARM_DESC(asus_gid, "GID for entries in /proc/acpi/asus");
-
-/* For each model, all features implemented,
- * those marked with R are relative to HOTK, A for absolute */
-struct model_data {
- char *name; /* name of the laptop________________A */
- char *mt_mled; /* method to handle mled_____________R */
- char *mled_status; /* node to handle mled reading_______A */
- char *mt_wled; /* method to handle wled_____________R */
- char *wled_status; /* node to handle wled reading_______A */
- char *mt_tled; /* method to handle tled_____________R */
- char *tled_status; /* node to handle tled reading_______A */
- char *mt_ledd; /* method to handle LED display______R */
- char *mt_bt_switch; /* method to switch Bluetooth on/off_R */
- char *bt_status; /* no model currently supports this__? */
- char *mt_lcd_switch; /* method to turn LCD on/off_________A */
- char *lcd_status; /* node to read LCD panel state______A */
- char *brightness_up; /* method to set brightness up_______A */
- char *brightness_down; /* method to set brightness down ____A */
- char *brightness_set; /* method to set absolute brightness_R */
- char *brightness_get; /* method to get absolute brightness_R */
- char *brightness_status;/* node to get brightness____________A */
- char *display_set; /* method to set video output________R */
- char *display_get; /* method to get video output________R */
-};
-
-/*
- * This is the main structure, we can use it to store anything interesting
- * about the hotk device
- */
-struct asus_hotk {
- struct acpi_device *device; /* the device we are in */
- acpi_handle handle; /* the handle of the hotk device */
- char status; /* status of the hotk, for LEDs */
- u32 ledd_status; /* status of the LED display */
- struct model_data *methods; /* methods available on the laptop */
- u8 brightness; /* brightness level */
- enum {
- A1x = 0, /* A1340D, A1300F */
- A2x, /* A2500H */
- A4G, /* A4700G */
- D1x, /* D1 */
- L2D, /* L2000D */
- L3C, /* L3800C */
- L3D, /* L3400D */
- L3H, /* L3H, L2000E, L5D */
- L4R, /* L4500R */
- L5x, /* L5800C */
- L8L, /* L8400L */
- M1A, /* M1300A */
- M2E, /* M2400E, L4400L */
- M6N, /* M6800N, W3400N */
- M6R, /* M6700R, A3000G */
- P30, /* Samsung P30 */
- S1x, /* S1300A, but also L1400B and M2400A (L84F) */
- S2x, /* S200 (J1 reported), Victor MP-XP7210 */
- W1N, /* W1000N */
- W5A, /* W5A */
- W3V, /* W3030V */
- xxN, /* M2400N, M3700N, M5200N, M6800N,
- S1300N, S5200N*/
- A4S, /* Z81sp */
- F3Sa, /* (Centrino) */
- R1F,
- END_MODEL
- } model; /* Models currently supported */
- u16 event_count[128]; /* Count for each event TODO make this better */
-};
-
-/* Here we go */
-#define A1x_PREFIX "\\_SB.PCI0.ISA.EC0."
-#define L3C_PREFIX "\\_SB.PCI0.PX40.ECD0."
-#define M1A_PREFIX "\\_SB.PCI0.PX40.EC0."
-#define P30_PREFIX "\\_SB.PCI0.LPCB.EC0."
-#define S1x_PREFIX "\\_SB.PCI0.PX40."
-#define S2x_PREFIX A1x_PREFIX
-#define xxN_PREFIX "\\_SB.PCI0.SBRG.EC0."
-
-static struct model_data model_conf[END_MODEL] = {
- /*
- * TODO I have seen a SWBX and AIBX method on some models, like L1400B,
- * it seems to be a kind of switch, but what for ?
- */
-
- {
- .name = "A1x",
- .mt_mled = "MLED",
- .mled_status = "\\MAIL",
- .mt_lcd_switch = A1x_PREFIX "_Q10",
- .lcd_status = "\\BKLI",
- .brightness_up = A1x_PREFIX "_Q0E",
- .brightness_down = A1x_PREFIX "_Q0F"},
-
- {
- .name = "A2x",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .wled_status = "\\SG66",
- .mt_lcd_switch = "\\Q10",
- .lcd_status = "\\BAOF",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "A4G",
- .mt_mled = "MLED",
-/* WLED present, but not controlled by ACPI */
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\ADVG"},
-
- {
- .name = "D1x",
- .mt_mled = "MLED",
- .mt_lcd_switch = "\\Q0D",
- .lcd_status = "\\GP11",
- .brightness_up = "\\Q0C",
- .brightness_down = "\\Q0B",
- .brightness_status = "\\BLVL",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "L2D",
- .mt_mled = "MLED",
- .mled_status = "\\SGP6",
- .mt_wled = "WLED",
- .wled_status = "\\RCP3",
- .mt_lcd_switch = "\\Q10",
- .lcd_status = "\\SGP0",
- .brightness_up = "\\Q0E",
- .brightness_down = "\\Q0F",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "L3C",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .mt_lcd_switch = L3C_PREFIX "_Q10",
- .lcd_status = "\\GL32",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\_SB.PCI0.PCI1.VGAC.NMAP"},
-
- {
- .name = "L3D",
- .mt_mled = "MLED",
- .mled_status = "\\MALD",
- .mt_wled = "WLED",
- .mt_lcd_switch = "\\Q10",
- .lcd_status = "\\BKLG",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "L3H",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .mt_lcd_switch = "EHK",
- .lcd_status = "\\_SB.PCI0.PM.PBC",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "L4R",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .wled_status = "\\_SB.PCI0.SBRG.SG13",
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .lcd_status = "\\_SB.PCI0.SBSM.SEO4",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\_SB.PCI0.P0P1.VGA.GETD"},
-
- {
- .name = "L5x",
- .mt_mled = "MLED",
-/* WLED present, but not controlled by ACPI */
- .mt_tled = "TLED",
- .mt_lcd_switch = "\\Q0D",
- .lcd_status = "\\BAOF",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "L8L"
-/* No features, but at least support the hotkeys */
- },
-
- {
- .name = "M1A",
- .mt_mled = "MLED",
- .mt_lcd_switch = M1A_PREFIX "Q10",
- .lcd_status = "\\PNOF",
- .brightness_up = M1A_PREFIX "Q0E",
- .brightness_down = M1A_PREFIX "Q0F",
- .brightness_status = "\\BRIT",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "M2E",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .mt_lcd_switch = "\\Q10",
- .lcd_status = "\\GP06",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "M6N",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .wled_status = "\\_SB.PCI0.SBRG.SG13",
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .lcd_status = "\\_SB.BKLT",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\SSTE"},
-
- {
- .name = "M6R",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .lcd_status = "\\_SB.PCI0.SBSM.SEO4",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\_SB.PCI0.P0P1.VGA.GETD"},
-
- {
- .name = "P30",
- .mt_wled = "WLED",
- .mt_lcd_switch = P30_PREFIX "_Q0E",
- .lcd_status = "\\BKLT",
- .brightness_up = P30_PREFIX "_Q68",
- .brightness_down = P30_PREFIX "_Q69",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\DNXT"},
-
- {
- .name = "S1x",
- .mt_mled = "MLED",
- .mled_status = "\\EMLE",
- .mt_wled = "WLED",
- .mt_lcd_switch = S1x_PREFIX "Q10",
- .lcd_status = "\\PNOF",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV"},
-
- {
- .name = "S2x",
- .mt_mled = "MLED",
- .mled_status = "\\MAIL",
- .mt_lcd_switch = S2x_PREFIX "_Q10",
- .lcd_status = "\\BKLI",
- .brightness_up = S2x_PREFIX "_Q0B",
- .brightness_down = S2x_PREFIX "_Q0A"},
-
- {
- .name = "W1N",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .mt_ledd = "SLCM",
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .lcd_status = "\\BKLT",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\ADVG"},
-
- {
- .name = "W5A",
- .mt_bt_switch = "BLED",
- .mt_wled = "WLED",
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\ADVG"},
-
- {
- .name = "W3V",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .lcd_status = "\\BKLT",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\INFB"},
-
- {
- .name = "xxN",
- .mt_mled = "MLED",
-/* WLED present, but not controlled by ACPI */
- .mt_lcd_switch = xxN_PREFIX "_Q10",
- .lcd_status = "\\BKLT",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\ADVG"},
-
- {
- .name = "A4S",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .mt_bt_switch = "BLED",
- .mt_wled = "WLED"
- },
-
- {
- .name = "F3Sa",
- .mt_bt_switch = "BLED",
- .mt_wled = "WLED",
- .mt_mled = "MLED",
- .brightness_get = "GPLV",
- .brightness_set = "SPLV",
- .mt_lcd_switch = "\\_SB.PCI0.SBRG.EC0._Q10",
- .lcd_status = "\\_SB.PCI0.SBRG.EC0.RPIN",
- .display_get = "\\ADVG",
- .display_set = "SDSP",
- },
- {
- .name = "R1F",
- .mt_bt_switch = "BLED",
- .mt_mled = "MLED",
- .mt_wled = "WLED",
- .mt_lcd_switch = "\\Q10",
- .lcd_status = "\\GP06",
- .brightness_set = "SPLV",
- .brightness_get = "GPLV",
- .display_set = "SDSP",
- .display_get = "\\INFB"
- }
-};
-
-/* procdir we use */
-static struct proc_dir_entry *asus_proc_dir;
-
-static struct backlight_device *asus_backlight_device;
-
-/*
- * This header is made available to allow proper configuration given model,
- * revision number , ... this info cannot go in struct asus_hotk because it is
- * available before the hotk
- */
-static struct acpi_table_header *asus_info;
-
-/* The actual device the driver binds to */
-static struct asus_hotk *hotk;
-
-/*
- * The hotkey driver and autoloading declaration
- */
-static int asus_hotk_add(struct acpi_device *device);
-static int asus_hotk_remove(struct acpi_device *device, int type);
-static void asus_hotk_notify(struct acpi_device *device, u32 event);
-
-static const struct acpi_device_id asus_device_ids[] = {
- {"ATK0100", 0},
- {"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, asus_device_ids);
-
-static struct acpi_driver asus_hotk_driver = {
- .name = "asus_acpi",
- .class = ACPI_HOTK_CLASS,
- .owner = THIS_MODULE,
- .ids = asus_device_ids,
- .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
- .ops = {
- .add = asus_hotk_add,
- .remove = asus_hotk_remove,
- .notify = asus_hotk_notify,
- },
-};
-
-/*
- * This function evaluates an ACPI method, given an int as parameter, the
- * method is searched within the scope of the handle, can be NULL. The output
- * of the method is written is output, which can also be NULL
- *
- * returns 1 if write is successful, 0 else.
- */
-static int write_acpi_int(acpi_handle handle, const char *method, int val,
- struct acpi_buffer *output)
-{
- struct acpi_object_list params; /* list of input parameters (int) */
- union acpi_object in_obj; /* the only param we use */
- acpi_status status;
-
- params.count = 1;
- params.pointer = &in_obj;
- in_obj.type = ACPI_TYPE_INTEGER;
- in_obj.integer.value = val;
-
- status = acpi_evaluate_object(handle, (char *)method, &params, output);
- return (status == AE_OK);
-}
-
-static int read_acpi_int(acpi_handle handle, const char *method, int *val)
-{
- struct acpi_buffer output;
- union acpi_object out_obj;
- acpi_status status;
-
- output.length = sizeof(out_obj);
- output.pointer = &out_obj;
-
- status = acpi_evaluate_object(handle, (char *)method, NULL, &output);
- *val = out_obj.integer.value;
- return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER);
-}
-
-static int asus_info_proc_show(struct seq_file *m, void *v)
-{
- int temp;
-
- seq_printf(m, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
- seq_printf(m, "Model reference : %s\n", hotk->methods->name);
- /*
- * The SFUN method probably allows the original driver to get the list
- * of features supported by a given model. For now, 0x0100 or 0x0800
- * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
- * The significance of others is yet to be found.
- */
- if (read_acpi_int(hotk->handle, "SFUN", &temp))
- seq_printf(m, "SFUN value : 0x%04x\n", temp);
- /*
- * Another value for userspace: the ASYM method returns 0x02 for
- * battery low and 0x04 for battery critical, its readings tend to be
- * more accurate than those provided by _BST.
- * Note: since not all the laptops provide this method, errors are
- * silently ignored.
- */
- if (read_acpi_int(hotk->handle, "ASYM", &temp))
- seq_printf(m, "ASYM value : 0x%04x\n", temp);
- if (asus_info) {
- seq_printf(m, "DSDT length : %d\n", asus_info->length);
- seq_printf(m, "DSDT checksum : %d\n", asus_info->checksum);
- seq_printf(m, "DSDT revision : %d\n", asus_info->revision);
- seq_printf(m, "OEM id : %.*s\n", ACPI_OEM_ID_SIZE, asus_info->oem_id);
- seq_printf(m, "OEM table id : %.*s\n", ACPI_OEM_TABLE_ID_SIZE, asus_info->oem_table_id);
- seq_printf(m, "OEM revision : 0x%x\n", asus_info->oem_revision);
- seq_printf(m, "ASL comp vendor id : %.*s\n", ACPI_NAME_SIZE, asus_info->asl_compiler_id);
- seq_printf(m, "ASL comp revision : 0x%x\n", asus_info->asl_compiler_revision);
- }
-
- return 0;
-}
-
-static int asus_info_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, asus_info_proc_show, NULL);
-}
-
-static const struct file_operations asus_info_proc_fops = {
- .owner = THIS_MODULE,
- .open = asus_info_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-/*
- * /proc handlers
- * We write our info in page, we begin at offset off and cannot write more
- * than count bytes. We set eof to 1 if we handle those 2 values. We return the
- * number of bytes written in page
- */
-
-/* Generic LED functions */
-static int read_led(const char *ledname, int ledmask)
-{
- if (ledname) {
- int led_status;
-
- if (read_acpi_int(NULL, ledname, &led_status))
- return led_status;
- else
- pr_warn("Error reading LED status\n");
- }
- return (hotk->status & ledmask) ? 1 : 0;
-}
-
-static int parse_arg(const char __user *buf, unsigned long count, int *val)
-{
- char s[32];
- if (!count)
- return 0;
- if (count > 31)
- return -EINVAL;
- if (copy_from_user(s, buf, count))
- return -EFAULT;
- s[count] = 0;
- if (sscanf(s, "%i", val) != 1)
- return -EINVAL;
- return count;
-}
-
-/* FIXME: kill extraneous args so it can be called independently */
-static int
-write_led(const char __user *buffer, unsigned long count,
- char *ledname, int ledmask, int invert)
-{
- int rv, value;
- int led_out = 0;
-
- rv = parse_arg(buffer, count, &value);
- if (rv > 0)
- led_out = value ? 1 : 0;
-
- hotk->status =
- (led_out) ? (hotk->status | ledmask) : (hotk->status & ~ledmask);
-
- if (invert) /* invert target value */
- led_out = !led_out;
-
- if (!write_acpi_int(hotk->handle, ledname, led_out, NULL))
- pr_warn("LED (%s) write failed\n", ledname);
-
- return rv;
-}
-
-/*
- * Proc handlers for MLED
- */
-static int mled_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", read_led(hotk->methods->mled_status, MLED_ON));
- return 0;
-}
-
-static int mled_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mled_proc_show, NULL);
-}
-
-static ssize_t mled_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1);
-}
-
-static const struct file_operations mled_proc_fops = {
- .owner = THIS_MODULE,
- .open = mled_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = mled_proc_write,
-};
-
-/*
- * Proc handlers for LED display
- */
-static int ledd_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "0x%08x\n", hotk->ledd_status);
- return 0;
-}
-
-static int ledd_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ledd_proc_show, NULL);
-}
-
-static ssize_t ledd_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- int rv, value;
-
- rv = parse_arg(buffer, count, &value);
- if (rv > 0) {
- if (!write_acpi_int
- (hotk->handle, hotk->methods->mt_ledd, value, NULL))
- pr_warn("LED display write failed\n");
- else
- hotk->ledd_status = (u32) value;
- }
- return rv;
-}
-
-static const struct file_operations ledd_proc_fops = {
- .owner = THIS_MODULE,
- .open = ledd_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = ledd_proc_write,
-};
-
-/*
- * Proc handlers for WLED
- */
-static int wled_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", read_led(hotk->methods->wled_status, WLED_ON));
- return 0;
-}
-
-static int wled_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, wled_proc_show, NULL);
-}
-
-static ssize_t wled_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0);
-}
-
-static const struct file_operations wled_proc_fops = {
- .owner = THIS_MODULE,
- .open = wled_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = wled_proc_write,
-};
-
-/*
- * Proc handlers for Bluetooth
- */
-static int bluetooth_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", read_led(hotk->methods->bt_status, BT_ON));
- return 0;
-}
-
-static int bluetooth_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, bluetooth_proc_show, NULL);
-}
-
-static ssize_t bluetooth_proc_write(struct file *file,
- const char __user *buffer, size_t count, loff_t *pos)
-{
- /* Note: mt_bt_switch controls both internal Bluetooth adapter's
- presence and its LED */
- return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0);
-}
-
-static const struct file_operations bluetooth_proc_fops = {
- .owner = THIS_MODULE,
- .open = bluetooth_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = bluetooth_proc_write,
-};
-
-/*
- * Proc handlers for TLED
- */
-static int tled_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", read_led(hotk->methods->tled_status, TLED_ON));
- return 0;
-}
-
-static int tled_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, tled_proc_show, NULL);
-}
-
-static ssize_t tled_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- return write_led(buffer, count, hotk->methods->mt_tled, TLED_ON, 0);
-}
-
-static const struct file_operations tled_proc_fops = {
- .owner = THIS_MODULE,
- .open = tled_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = tled_proc_write,
-};
-
-static int get_lcd_state(void)
-{
- int lcd = 0;
-
- if (hotk->model == L3H) {
- /* L3H and the like have to be handled differently */
- acpi_status status = 0;
- struct acpi_object_list input;
- union acpi_object mt_params[2];
- struct acpi_buffer output;
- union acpi_object out_obj;
-
- input.count = 2;
- input.pointer = mt_params;
- /* Note: the following values are partly guessed up, but
- otherwise they seem to work */
- mt_params[0].type = ACPI_TYPE_INTEGER;
- mt_params[0].integer.value = 0x02;
- mt_params[1].type = ACPI_TYPE_INTEGER;
- mt_params[1].integer.value = 0x02;
-
- output.length = sizeof(out_obj);
- output.pointer = &out_obj;
-
- status =
- acpi_evaluate_object(NULL, hotk->methods->lcd_status,
- &input, &output);
- if (status != AE_OK)
- return -1;
- if (out_obj.type == ACPI_TYPE_INTEGER)
- /* That's what the AML code does */
- lcd = out_obj.integer.value >> 8;
- } else if (hotk->model == F3Sa) {
- unsigned long long tmp;
- union acpi_object param;
- struct acpi_object_list input;
- acpi_status status;
-
- /* Read pin 11 */
- param.type = ACPI_TYPE_INTEGER;
- param.integer.value = 0x11;
- input.count = 1;
- input.pointer = &param;
-
- status = acpi_evaluate_integer(NULL, hotk->methods->lcd_status,
- &input, &tmp);
- if (status != AE_OK)
- return -1;
-
- lcd = tmp;
- } else {
- /* We don't have to check anything if we are here */
- if (!read_acpi_int(NULL, hotk->methods->lcd_status, &lcd))
- pr_warn("Error reading LCD status\n");
-
- if (hotk->model == L2D)
- lcd = ~lcd;
- }
-
- return (lcd & 1);
-}
-
-static int set_lcd_state(int value)
-{
- int lcd = 0;
- acpi_status status = 0;
-
- lcd = value ? 1 : 0;
- if (lcd != get_lcd_state()) {
- /* switch */
- if (hotk->model != L3H) {
- status =
- acpi_evaluate_object(NULL,
- hotk->methods->mt_lcd_switch,
- NULL, NULL);
- } else {
- /* L3H and the like must be handled differently */
- if (!write_acpi_int
- (hotk->handle, hotk->methods->mt_lcd_switch, 0x07,
- NULL))
- status = AE_ERROR;
- /* L3H's AML executes EHK (0x07) upon Fn+F7 keypress,
- the exact behaviour is simulated here */
- }
- if (ACPI_FAILURE(status))
- pr_warn("Error switching LCD\n");
- }
- return 0;
-
-}
-
-static int lcd_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", get_lcd_state());
- return 0;
-}
-
-static int lcd_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, lcd_proc_show, NULL);
-}
-
-static ssize_t lcd_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- int rv, value;
-
- rv = parse_arg(buffer, count, &value);
- if (rv > 0)
- set_lcd_state(value);
- return rv;
-}
-
-static const struct file_operations lcd_proc_fops = {
- .owner = THIS_MODULE,
- .open = lcd_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = lcd_proc_write,
-};
-
-static int read_brightness(struct backlight_device *bd)
-{
- int value;
-
- if (hotk->methods->brightness_get) { /* SPLV/GPLV laptop */
- if (!read_acpi_int(hotk->handle, hotk->methods->brightness_get,
- &value))
- pr_warn("Error reading brightness\n");
- } else if (hotk->methods->brightness_status) { /* For D1 for example */
- if (!read_acpi_int(NULL, hotk->methods->brightness_status,
- &value))
- pr_warn("Error reading brightness\n");
- } else /* No GPLV method */
- value = hotk->brightness;
- return value;
-}
-
-/*
- * Change the brightness level
- */
-static int set_brightness(int value)
-{
- acpi_status status = 0;
- int ret = 0;
-
- /* SPLV laptop */
- if (hotk->methods->brightness_set) {
- if (!write_acpi_int(hotk->handle, hotk->methods->brightness_set,
- value, NULL)) {
- pr_warn("Error changing brightness\n");
- ret = -EIO;
- }
- goto out;
- }
-
- /* No SPLV method if we are here, act as appropriate */
- value -= read_brightness(NULL);
- while (value != 0) {
- status = acpi_evaluate_object(NULL, (value > 0) ?
- hotk->methods->brightness_up :
- hotk->methods->brightness_down,
- NULL, NULL);
- (value > 0) ? value-- : value++;
- if (ACPI_FAILURE(status)) {
- pr_warn("Error changing brightness\n");
- ret = -EIO;
- }
- }
-out:
- return ret;
-}
-
-static int set_brightness_status(struct backlight_device *bd)
-{
- return set_brightness(bd->props.brightness);
-}
-
-static int brn_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%d\n", read_brightness(NULL));
- return 0;
-}
-
-static int brn_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, brn_proc_show, NULL);
-}
-
-static ssize_t brn_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- int rv, value;
-
- rv = parse_arg(buffer, count, &value);
- if (rv > 0) {
- value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
- /* 0 <= value <= 15 */
- set_brightness(value);
- }
- return rv;
-}
-
-static const struct file_operations brn_proc_fops = {
- .owner = THIS_MODULE,
- .open = brn_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = brn_proc_write,
-};
-
-static void set_display(int value)
-{
- /* no sanity check needed for now */
- if (!write_acpi_int(hotk->handle, hotk->methods->display_set,
- value, NULL))
- pr_warn("Error setting display\n");
- return;
-}
-
-/*
- * Now, *this* one could be more user-friendly, but so far, no-one has
- * complained. The significance of bits is the same as in proc_write_disp()
- */
-static int disp_proc_show(struct seq_file *m, void *v)
-{
- int value = 0;
-
- if (!read_acpi_int(hotk->handle, hotk->methods->display_get, &value))
- pr_warn("Error reading display status\n");
- value &= 0x07; /* needed for some models, shouldn't hurt others */
- seq_printf(m, "%d\n", value);
- return 0;
-}
-
-static int disp_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, disp_proc_show, NULL);
-}
-
-/*
- * Experimental support for display switching. As of now: 1 should activate
- * the LCD output, 2 should do for CRT, and 4 for TV-Out. Any combination
- * (bitwise) of these will suffice. I never actually tested 3 displays hooked
- * up simultaneously, so be warned. See the acpi4asus README for more info.
- */
-static ssize_t disp_proc_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *pos)
-{
- int rv, value;
-
- rv = parse_arg(buffer, count, &value);
- if (rv > 0)
- set_display(value);
- return rv;
-}
-
-static const struct file_operations disp_proc_fops = {
- .owner = THIS_MODULE,
- .open = disp_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = disp_proc_write,
-};
-
-static int
-asus_proc_add(char *name, const struct file_operations *proc_fops, umode_t mode,
- struct acpi_device *device)
-{
- struct proc_dir_entry *proc;
-
- proc = proc_create_data(name, mode, acpi_device_dir(device),
- proc_fops, acpi_driver_data(device));
- if (!proc) {
- pr_warn(" Unable to create %s fs entry\n", name);
- return -1;
- }
- proc->uid = asus_uid;
- proc->gid = asus_gid;
- return 0;
-}
-
-static int asus_hotk_add_fs(struct acpi_device *device)
-{
- struct proc_dir_entry *proc;
- umode_t mode;
-
- if ((asus_uid == 0) && (asus_gid == 0)) {
- mode = S_IFREG | S_IRUGO | S_IWUSR | S_IWGRP;
- } else {
- mode = S_IFREG | S_IRUSR | S_IRGRP | S_IWUSR | S_IWGRP;
- pr_warn(" asus_uid and asus_gid parameters are "
- "deprecated, use chown and chmod instead!\n");
- }
-
- acpi_device_dir(device) = asus_proc_dir;
- if (!acpi_device_dir(device))
- return -ENODEV;
-
- proc = proc_create(PROC_INFO, mode, acpi_device_dir(device),
- &asus_info_proc_fops);
- if (proc) {
- proc->uid = asus_uid;
- proc->gid = asus_gid;
- } else {
- pr_warn(" Unable to create " PROC_INFO " fs entry\n");
- }
-
- if (hotk->methods->mt_wled) {
- asus_proc_add(PROC_WLED, &wled_proc_fops, mode, device);
- }
-
- if (hotk->methods->mt_ledd) {
- asus_proc_add(PROC_LEDD, &ledd_proc_fops, mode, device);
- }
-
- if (hotk->methods->mt_mled) {
- asus_proc_add(PROC_MLED, &mled_proc_fops, mode, device);
- }
-
- if (hotk->methods->mt_tled) {
- asus_proc_add(PROC_TLED, &tled_proc_fops, mode, device);
- }
-
- if (hotk->methods->mt_bt_switch) {
- asus_proc_add(PROC_BT, &bluetooth_proc_fops, mode, device);
- }
-
- /*
- * We need both read node and write method as LCD switch is also
- * accessible from the keyboard
- */
- if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) {
- asus_proc_add(PROC_LCD, &lcd_proc_fops, mode, device);
- }
-
- if ((hotk->methods->brightness_up && hotk->methods->brightness_down) ||
- (hotk->methods->brightness_get && hotk->methods->brightness_set)) {
- asus_proc_add(PROC_BRN, &brn_proc_fops, mode, device);
- }
-
- if (hotk->methods->display_set) {
- asus_proc_add(PROC_DISP, &disp_proc_fops, mode, device);
- }
-
- return 0;
-}
-
-static int asus_hotk_remove_fs(struct acpi_device *device)
-{
- if (acpi_device_dir(device)) {
- remove_proc_entry(PROC_INFO, acpi_device_dir(device));
- if (hotk->methods->mt_wled)
- remove_proc_entry(PROC_WLED, acpi_device_dir(device));
- if (hotk->methods->mt_mled)
- remove_proc_entry(PROC_MLED, acpi_device_dir(device));
- if (hotk->methods->mt_tled)
- remove_proc_entry(PROC_TLED, acpi_device_dir(device));
- if (hotk->methods->mt_ledd)
- remove_proc_entry(PROC_LEDD, acpi_device_dir(device));
- if (hotk->methods->mt_bt_switch)
- remove_proc_entry(PROC_BT, acpi_device_dir(device));
- if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status)
- remove_proc_entry(PROC_LCD, acpi_device_dir(device));
- if ((hotk->methods->brightness_up
- && hotk->methods->brightness_down)
- || (hotk->methods->brightness_get
- && hotk->methods->brightness_set))
- remove_proc_entry(PROC_BRN, acpi_device_dir(device));
- if (hotk->methods->display_set)
- remove_proc_entry(PROC_DISP, acpi_device_dir(device));
- }
- return 0;
-}
-
-static void asus_hotk_notify(struct acpi_device *device, u32 event)
-{
- /* TODO Find a better way to handle events count. */
- if (!hotk)
- return;
-
- /*
- * The BIOS *should* be sending us device events, but apparently
- * Asus uses system events instead, so just ignore any device
- * events we get.
- */
- if (event > ACPI_MAX_SYS_NOTIFY)
- return;
-
- if ((event & ~((u32) BR_UP)) < 16)
- hotk->brightness = (event & ~((u32) BR_UP));
- else if ((event & ~((u32) BR_DOWN)) < 16)
- hotk->brightness = (event & ~((u32) BR_DOWN));
-
- acpi_bus_generate_proc_event(hotk->device, event,
- hotk->event_count[event % 128]++);
-
- return;
-}
-
-/*
- * Match the model string to the list of supported models. Return END_MODEL if
- * no match or model is NULL.
- */
-static int asus_model_match(char *model)
-{
- if (model == NULL)
- return END_MODEL;
-
- if (strncmp(model, "L3D", 3) == 0)
- return L3D;
- else if (strncmp(model, "L2E", 3) == 0 ||
- strncmp(model, "L3H", 3) == 0 || strncmp(model, "L5D", 3) == 0)
- return L3H;
- else if (strncmp(model, "L3", 2) == 0 || strncmp(model, "L2B", 3) == 0)
- return L3C;
- else if (strncmp(model, "L8L", 3) == 0)
- return L8L;
- else if (strncmp(model, "L4R", 3) == 0)
- return L4R;
- else if (strncmp(model, "M6N", 3) == 0 || strncmp(model, "W3N", 3) == 0)
- return M6N;
- else if (strncmp(model, "M6R", 3) == 0 || strncmp(model, "A3G", 3) == 0)
- return M6R;
- else if (strncmp(model, "M2N", 3) == 0 ||
- strncmp(model, "M3N", 3) == 0 ||
- strncmp(model, "M5N", 3) == 0 ||
- strncmp(model, "S1N", 3) == 0 ||
- strncmp(model, "S5N", 3) == 0)
- return xxN;
- else if (strncmp(model, "M1", 2) == 0)
- return M1A;
- else if (strncmp(model, "M2", 2) == 0 || strncmp(model, "L4E", 3) == 0)
- return M2E;
- else if (strncmp(model, "L2", 2) == 0)
- return L2D;
- else if (strncmp(model, "L8", 2) == 0)
- return S1x;
- else if (strncmp(model, "D1", 2) == 0)
- return D1x;
- else if (strncmp(model, "A1", 2) == 0)
- return A1x;
- else if (strncmp(model, "A2", 2) == 0)
- return A2x;
- else if (strncmp(model, "J1", 2) == 0)
- return S2x;
- else if (strncmp(model, "L5", 2) == 0)
- return L5x;
- else if (strncmp(model, "A4G", 3) == 0)
- return A4G;
- else if (strncmp(model, "W1N", 3) == 0)
- return W1N;
- else if (strncmp(model, "W3V", 3) == 0)
- return W3V;
- else if (strncmp(model, "W5A", 3) == 0)
- return W5A;
- else if (strncmp(model, "R1F", 3) == 0)
- return R1F;
- else if (strncmp(model, "A4S", 3) == 0)
- return A4S;
- else if (strncmp(model, "F3Sa", 4) == 0)
- return F3Sa;
- else
- return END_MODEL;
-}
-
-/*
- * This function is used to initialize the hotk with right values. In this
- * method, we can make all the detection we want, and modify the hotk struct
- */
-static int asus_hotk_get_info(void)
-{
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- union acpi_object *model = NULL;
- int bsts_result;
- char *string = NULL;
- acpi_status status;
-
- /*
- * Get DSDT headers early enough to allow for differentiating between
- * models, but late enough to allow acpi_bus_register_driver() to fail
- * before doing anything ACPI-specific. Should we encounter a machine,
- * which needs special handling (i.e. its hotkey device has a different
- * HID), this bit will be moved. A global variable asus_info contains
- * the DSDT header.
- */
- status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info);
- if (ACPI_FAILURE(status))
- pr_warn(" Couldn't get the DSDT table header\n");
-
- /* We have to write 0 on init this far for all ASUS models */
- if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
- pr_err(" Hotkey initialization failed\n");
- return -ENODEV;
- }
-
- /* This needs to be called for some laptops to init properly */
- if (!read_acpi_int(hotk->handle, "BSTS", &bsts_result))
- pr_warn(" Error calling BSTS\n");
- else if (bsts_result)
- pr_notice(" BSTS called, 0x%02x returned\n", bsts_result);
-
- /*
- * Try to match the object returned by INIT to the specific model.
- * Handle every possible object (or the lack of thereof) the DSDT
- * writers might throw at us. When in trouble, we pass NULL to
- * asus_model_match() and try something completely different.
- */
- if (buffer.pointer) {
- model = buffer.pointer;
- switch (model->type) {
- case ACPI_TYPE_STRING:
- string = model->string.pointer;
- break;
- case ACPI_TYPE_BUFFER:
- string = model->buffer.pointer;
- break;
- default:
- kfree(model);
- model = NULL;
- break;
- }
- }
- hotk->model = asus_model_match(string);
- if (hotk->model == END_MODEL) { /* match failed */
- if (asus_info &&
- strncmp(asus_info->oem_table_id, "ODEM", 4) == 0) {
- hotk->model = P30;
- pr_notice(" Samsung P30 detected, supported\n");
- hotk->methods = &model_conf[hotk->model];
- kfree(model);
- return 0;
- } else {
- hotk->model = M2E;
- pr_notice(" unsupported model %s, trying default values\n",
- string);
- pr_notice(" send /proc/acpi/dsdt to the developers\n");
- kfree(model);
- return -ENODEV;
- }
- }
- hotk->methods = &model_conf[hotk->model];
- pr_notice(" %s model detected, supported\n", string);
-
- /* Sort of per-model blacklist */
- if (strncmp(string, "L2B", 3) == 0)
- hotk->methods->lcd_status = NULL;
- /* L2B is similar enough to L3C to use its settings, with this only
- exception */
- else if (strncmp(string, "A3G", 3) == 0)
- hotk->methods->lcd_status = "\\BLFG";
- /* A3G is like M6R */
- else if (strncmp(string, "S5N", 3) == 0 ||
- strncmp(string, "M5N", 3) == 0 ||
- strncmp(string, "W3N", 3) == 0)
- hotk->methods->mt_mled = NULL;
- /* S5N, M5N and W3N have no MLED */
- else if (strncmp(string, "L5D", 3) == 0)
- hotk->methods->mt_wled = NULL;
- /* L5D's WLED is not controlled by ACPI */
- else if (strncmp(string, "M2N", 3) == 0 ||
- strncmp(string, "W3V", 3) == 0 ||
- strncmp(string, "S1N", 3) == 0)
- hotk->methods->mt_wled = "WLED";
- /* M2N, S1N and W3V have a usable WLED */
- else if (asus_info) {
- if (strncmp(asus_info->oem_table_id, "L1", 2) == 0)
- hotk->methods->mled_status = NULL;
- /* S1300A reports L84F, but L1400B too, account for that */
- }
-
- kfree(model);
-
- return 0;
-}
-
-static int asus_hotk_check(void)
-{
- int result = 0;
-
- result = acpi_bus_get_status(hotk->device);
- if (result)
- return result;
-
- if (hotk->device->status.present) {
- result = asus_hotk_get_info();
- } else {
- pr_err(" Hotkey device not present, aborting\n");
- return -EINVAL;
- }
-
- return result;
-}
-
-static int asus_hotk_found;
-
-static int asus_hotk_add(struct acpi_device *device)
-{
- acpi_status status = AE_OK;
- int result;
-
- pr_notice("Asus Laptop ACPI Extras version %s\n", ASUS_ACPI_VERSION);
-
- hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL);
- if (!hotk)
- return -ENOMEM;
-
- hotk->handle = device->handle;
- strcpy(acpi_device_name(device), ACPI_HOTK_DEVICE_NAME);
- strcpy(acpi_device_class(device), ACPI_HOTK_CLASS);
- device->driver_data = hotk;
- hotk->device = device;
-
- result = asus_hotk_check();
- if (result)
- goto end;
-
- result = asus_hotk_add_fs(device);
- if (result)
- goto end;
-
- /* For laptops without GPLV: init the hotk->brightness value */
- if ((!hotk->methods->brightness_get)
- && (!hotk->methods->brightness_status)
- && (hotk->methods->brightness_up && hotk->methods->brightness_down)) {
- status =
- acpi_evaluate_object(NULL, hotk->methods->brightness_down,
- NULL, NULL);
- if (ACPI_FAILURE(status))
- pr_warn(" Error changing brightness\n");
- else {
- status =
- acpi_evaluate_object(NULL,
- hotk->methods->brightness_up,
- NULL, NULL);
- if (ACPI_FAILURE(status))
- pr_warn(" Strange, error changing brightness\n");
- }
- }
-
- asus_hotk_found = 1;
-
- /* LED display is off by default */
- hotk->ledd_status = 0xFFF;
-
-end:
- if (result)
- kfree(hotk);
-
- return result;
-}
-
-static int asus_hotk_remove(struct acpi_device *device, int type)
-{
- asus_hotk_remove_fs(device);
-
- kfree(hotk);
-
- return 0;
-}
-
-static const struct backlight_ops asus_backlight_data = {
- .get_brightness = read_brightness,
- .update_status = set_brightness_status,
-};
-
-static void asus_acpi_exit(void)
-{
- if (asus_backlight_device)
- backlight_device_unregister(asus_backlight_device);
-
- acpi_bus_unregister_driver(&asus_hotk_driver);
- remove_proc_entry(PROC_ASUS, acpi_root_dir);
-
- return;
-}
-
-static int __init asus_acpi_init(void)
-{
- struct backlight_properties props;
- int result;
-
- result = acpi_bus_register_driver(&asus_hotk_driver);
- if (result < 0)
- return result;
-
- asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir);
- if (!asus_proc_dir) {
- pr_err("Unable to create /proc entry\n");
- acpi_bus_unregister_driver(&asus_hotk_driver);
- return -ENODEV;
- }
-
- /*
- * This is a bit of a kludge. We only want this module loaded
- * for ASUS systems, but there's currently no way to probe the
- * ACPI namespace for ASUS HIDs. So we just return failure if
- * we didn't find one, which will cause the module to be
- * unloaded.
- */
- if (!asus_hotk_found) {
- acpi_bus_unregister_driver(&asus_hotk_driver);
- remove_proc_entry(PROC_ASUS, acpi_root_dir);
- return -ENODEV;
- }
-
- memset(&props, 0, sizeof(struct backlight_properties));
- props.type = BACKLIGHT_PLATFORM;
- props.max_brightness = 15;
- asus_backlight_device = backlight_device_register("asus", NULL, NULL,
- &asus_backlight_data,
- &props);
- if (IS_ERR(asus_backlight_device)) {
- pr_err("Could not register asus backlight device\n");
- asus_backlight_device = NULL;
- asus_acpi_exit();
- return -ENODEV;
- }
-
- return 0;
-}
-
-module_init(asus_acpi_init);
-module_exit(asus_acpi_exit);
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index d96734478324..1887e2f166a4 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -882,6 +882,7 @@ static struct dmi_system_id __initdata compal_dmi_table[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(dmi, compal_dmi_table);
static void initialize_power_supply_data(struct compal_data *data)
{
@@ -1097,16 +1098,3 @@ MODULE_AUTHOR("Roald Frederickx (roald.frederickx@gmail.com)");
MODULE_DESCRIPTION("Compal Laptop Support");
MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL");
-
-MODULE_ALIAS("dmi:*:rnIFL90:rvrIFT00:*");
-MODULE_ALIAS("dmi:*:rnIFL90:rvrREFERENCE:*");
-MODULE_ALIAS("dmi:*:rnIFL91:rvrIFT00:*");
-MODULE_ALIAS("dmi:*:rnJFL92:rvrIFT00:*");
-MODULE_ALIAS("dmi:*:rnIFT00:rvrIFT00:*");
-MODULE_ALIAS("dmi:*:rnJHL90:rvrREFERENCE:*");
-MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron910:*");
-MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1010:*");
-MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1011:*");
-MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1012:*");
-MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1110:*");
-MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1210:*");
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index d93e962f2610..a05fc9c955d8 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -117,6 +117,7 @@ static const struct dmi_system_id __initdata dell_device_table[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(dmi, dell_device_table);
static struct dmi_system_id __devinitdata dell_blacklist[] = {
/* Supported by compal-laptop */
@@ -184,6 +185,33 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
},
.driver_data = &quirk_dell_vostro_v130,
},
+ {
+ .callback = dmi_matched,
+ .ident = "Dell Vostro 3555",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3555"),
+ },
+ .driver_data = &quirk_dell_vostro_v130,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Dell Inspiron N311z",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron N311z"),
+ },
+ .driver_data = &quirk_dell_vostro_v130,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Dell Inspiron M5110",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron M5110"),
+ },
+ .driver_data = &quirk_dell_vostro_v130,
+ },
};
static struct calling_interface_buffer *buffer;
@@ -236,9 +264,7 @@ static void __init find_tokens(const struct dmi_header *dm, void *dummy)
{
switch (dm->type) {
case 0xd4: /* Indexed IO */
- break;
case 0xd5: /* Protected Area Type 1 */
- break;
case 0xd6: /* Protected Area Type 2 */
break;
case 0xda: /* Calling interface */
@@ -615,6 +641,7 @@ static void touchpad_led_set(struct led_classdev *led_cdev,
static struct led_classdev touchpad_led = {
.name = "dell-laptop::touchpad",
.brightness_set = touchpad_led_set,
+ .flags = LED_CORE_SUSPENDRESUME,
};
static int __devinit touchpad_led_init(struct device *dev)
@@ -794,6 +821,3 @@ module_exit(dell_exit);
MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
MODULE_DESCRIPTION("Dell laptop driver");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("dmi:*svnDellInc.:*:ct8:*");
-MODULE_ALIAS("dmi:*svnDellInc.:*:ct9:*");
-MODULE_ALIAS("dmi:*svnDellComputerCorporation.:*:ct8:*");
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index d9a9e2bedb30..dab91b48d22c 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -1251,6 +1251,14 @@ static void eeepc_input_exit(struct eeepc_laptop *eeepc)
/*
* ACPI driver
*/
+static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event)
+{
+ if (!eeepc->inputdev)
+ return ;
+ if (!sparse_keymap_report_event(eeepc->inputdev, event, 1, true))
+ pr_info("Unknown key %x pressed\n", event);
+}
+
static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
{
struct eeepc_laptop *eeepc = acpi_driver_data(device);
@@ -1287,12 +1295,11 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
* event will be desired value (or else ignored)
*/
}
- sparse_keymap_report_event(eeepc->inputdev, event,
- 1, true);
+ eeepc_input_notify(eeepc, event);
}
} else {
/* Everything else is a bona-fide keypress event */
- sparse_keymap_report_event(eeepc->inputdev, event, 1, true);
+ eeepc_input_notify(eeepc, event);
}
}
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 9f6e64302b45..656761380342 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -32,6 +32,7 @@
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <linux/dmi.h>
+#include <linux/fb.h>
#include <acpi/acpi_bus.h>
#include "asus-wmi.h"
@@ -84,9 +85,81 @@ static const struct key_entry eeepc_wmi_keymap[] = {
{ KE_KEY, 0xed, { KEY_CAMERA_DOWN } },
{ KE_KEY, 0xee, { KEY_CAMERA_LEFT } },
{ KE_KEY, 0xef, { KEY_CAMERA_RIGHT } },
+ { KE_KEY, 0xf3, { KEY_MENU } },
+ { KE_KEY, 0xf5, { KEY_HOMEPAGE } },
+ { KE_KEY, 0xf6, { KEY_ESC } },
{ KE_END, 0},
};
+static struct quirk_entry quirk_asus_unknown = {
+};
+
+static struct quirk_entry quirk_asus_1000h = {
+ .hotplug_wireless = true,
+};
+
+static struct quirk_entry quirk_asus_et2012_type1 = {
+ .store_backlight_power = true,
+};
+
+static struct quirk_entry quirk_asus_et2012_type3 = {
+ .scalar_panel_brightness = true,
+ .store_backlight_power = true,
+};
+
+static struct quirk_entry *quirks;
+
+static void et2012_quirks(void)
+{
+ const struct dmi_device *dev = NULL;
+ char oemstring[30];
+
+ while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) {
+ if (sscanf(dev->name, "AEMS%24c", oemstring) == 1) {
+ if (oemstring[18] == '1')
+ quirks = &quirk_asus_et2012_type1;
+ else if (oemstring[18] == '3')
+ quirks = &quirk_asus_et2012_type3;
+ break;
+ }
+ }
+}
+
+static int dmi_matched(const struct dmi_system_id *dmi)
+{
+ char *model;
+
+ quirks = dmi->driver_data;
+
+ model = (char *)dmi->matches[1].substr;
+ if (unlikely(strncmp(model, "ET2012", 6) == 0))
+ et2012_quirks();
+
+ return 1;
+}
+
+static struct dmi_system_id asus_quirks[] = {
+ {
+ .callback = dmi_matched,
+ .ident = "ASUSTeK Computer INC. 1000H",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "1000H"),
+ },
+ .driver_data = &quirk_asus_1000h,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "ASUSTeK Computer INC. ET2012E/I",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ET2012"),
+ },
+ .driver_data = &quirk_asus_unknown,
+ },
+ {},
+};
+
static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code,
unsigned int *value, bool *autorelease)
{
@@ -141,33 +214,16 @@ static int eeepc_wmi_probe(struct platform_device *pdev)
return 0;
}
-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;
- driver->wapf = -1;
- eeepc_dmi_check(driver);
+ quirks = &quirk_asus_unknown;
+ quirks->hotplug_wireless = hotplug_wireless;
+
+ dmi_check_system(asus_quirks);
+
+ driver->quirks = quirks;
+ driver->quirks->wapf = -1;
+ driver->panel_power = FB_BLANK_UNBLANK;
}
static struct asus_wmi_driver asus_wmi_driver = {
@@ -179,7 +235,7 @@ static struct asus_wmi_driver asus_wmi_driver = {
.input_phys = EEEPC_WMI_FILE "/input0",
.key_filter = eeepc_wmi_key_filter,
.probe = eeepc_wmi_probe,
- .quirks = eeepc_wmi_quirks,
+ .detect_quirks = eeepc_wmi_quirks,
};
diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c
index ba68d4e7a779..7387f97a2941 100644
--- a/drivers/platform/x86/hdaps.c
+++ b/drivers/platform/x86/hdaps.c
@@ -375,7 +375,7 @@ static ssize_t hdaps_variance_show(struct device *dev,
static ssize_t hdaps_temp1_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- u8 temp;
+ u8 uninitialized_var(temp);
int ret;
ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp);
@@ -388,7 +388,7 @@ static ssize_t hdaps_temp1_show(struct device *dev,
static ssize_t hdaps_temp2_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- u8 temp;
+ u8 uninitialized_var(temp);
int ret;
ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp);
diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c
index 0903a883e9f4..0a3594c7e912 100644
--- a/drivers/platform/x86/intel_mid_powerbtn.c
+++ b/drivers/platform/x86/intel_mid_powerbtn.c
@@ -142,17 +142,7 @@ static struct platform_driver mfld_pb_driver = {
.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_platform_driver(mfld_pb_driver);
MODULE_AUTHOR("Hong Liu <hong.liu@intel.com>");
MODULE_DESCRIPTION("Intel Medfield Power Button Driver");
diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c
index 2ee9766737ea..5ae9cd9c7e6e 100644
--- a/drivers/platform/x86/intel_mid_thermal.c
+++ b/drivers/platform/x86/intel_mid_thermal.c
@@ -549,6 +549,7 @@ static int mid_thermal_remove(struct platform_device *pdev)
static const struct platform_device_id therm_id_table[] = {
{ DRIVER_NAME, 1 },
+ { "msic_thermal", 1 },
{ }
};
@@ -564,18 +565,7 @@ static struct platform_driver mid_thermal_driver = {
.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_platform_driver(mid_thermal_driver);
MODULE_AUTHOR("Durgadoss R <durgadoss.r@intel.com>");
MODULE_DESCRIPTION("Intel Medfield Platform Thermal Driver");
diff --git a/drivers/platform/x86/intel_oaktrail.c b/drivers/platform/x86/intel_oaktrail.c
index 6ee0b5c90933..79a0c2f6be53 100644
--- a/drivers/platform/x86/intel_oaktrail.c
+++ b/drivers/platform/x86/intel_oaktrail.c
@@ -313,6 +313,7 @@ static struct dmi_system_id __initdata oaktrail_dmi_table[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(dmi, oaktrail_dmi_table);
static int __init oaktrail_init(void)
{
@@ -394,4 +395,3 @@ MODULE_AUTHOR("Yin Kangkai (kangkai.yin@intel.com)");
MODULE_DESCRIPTION("Intel Oaktrail Platform ACPI Extras");
MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL");
-MODULE_ALIAS("dmi:*:svnIntelCorporation:pnOakTrailplatform:*");
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index fd73ea89b857..e2a34b42ddc1 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -17,10 +17,18 @@
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/backlight.h>
+#include <linux/leds.h>
#include <linux/fb.h>
#include <linux/dmi.h>
#include <linux/platform_device.h>
#include <linux/rfkill.h>
+#include <linux/acpi.h>
+#include <linux/seq_file.h>
+#include <linux/debugfs.h>
+#include <linux/ctype.h>
+#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
+#include <acpi/video.h>
+#endif
/*
* This driver is needed because a number of Samsung laptops do not hook
@@ -41,9 +49,20 @@
#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];
+#define WL_STATUS_WLAN 0x0
+#define WL_STATUS_BT 0x2
+
+/* Structure get/set data using sabi */
+struct sabi_data {
+ union {
+ struct {
+ u32 d0;
+ u32 d1;
+ u16 d2;
+ u8 d3;
+ };
+ u8 data[11];
+ };
};
struct sabi_header_offsets {
@@ -60,8 +79,8 @@ struct sabi_commands {
* Brightness is 0 - 8, as described above.
* Value 0 is for the BIOS to use
*/
- u8 get_brightness;
- u8 set_brightness;
+ u16 get_brightness;
+ u16 set_brightness;
/*
* first byte:
@@ -72,40 +91,56 @@ struct sabi_commands {
* 0x03 - 3G is on
* TODO, verify 3G is correct, that doesn't seem right...
*/
- u8 get_wireless_button;
- u8 set_wireless_button;
+ u16 get_wireless_button;
+ u16 set_wireless_button;
/* 0 is off, 1 is on */
- u8 get_backlight;
- u8 set_backlight;
+ u16 get_backlight;
+ u16 set_backlight;
/*
* 0x80 or 0x00 - no action
* 0x81 - recovery key pressed
*/
- u8 get_recovery_mode;
- u8 set_recovery_mode;
+ u16 get_recovery_mode;
+ u16 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;
+ u16 get_performance_level;
+ u16 set_performance_level;
+
+ /* 0x80 is off, 0x81 is on */
+ u16 get_battery_life_extender;
+ u16 set_battery_life_extender;
+
+ /* 0x80 is off, 0x81 is on */
+ u16 get_usb_charge;
+ u16 set_usb_charge;
+
+ /* the first byte is for bluetooth and the third one is for wlan */
+ u16 get_wireless_status;
+ u16 set_wireless_status;
+
+ /* 0x81 to read, (0x82 | level << 8) to set, 0xaabb to enable */
+ u16 kbd_backlight;
/*
* Tell the BIOS that Linux is running on this machine.
* 81 is on, 80 is off
*/
- u8 set_linux;
+ u16 set_linux;
};
struct sabi_performance_level {
const char *name;
- u8 value;
+ u16 value;
};
struct sabi_config {
+ int sabi_version;
const char *test_string;
u16 main_function;
const struct sabi_header_offsets header_offsets;
@@ -117,6 +152,10 @@ struct sabi_config {
static const struct sabi_config sabi_configs[] = {
{
+ /* I don't know if it is really 2, but it it is
+ * less than 3 anyway */
+ .sabi_version = 2,
+
.test_string = "SECLINUX",
.main_function = 0x4c49,
@@ -146,6 +185,17 @@ static const struct sabi_config sabi_configs[] = {
.get_performance_level = 0x08,
.set_performance_level = 0x09,
+ .get_battery_life_extender = 0xFFFF,
+ .set_battery_life_extender = 0xFFFF,
+
+ .get_usb_charge = 0xFFFF,
+ .set_usb_charge = 0xFFFF,
+
+ .get_wireless_status = 0xFFFF,
+ .set_wireless_status = 0xFFFF,
+
+ .kbd_backlight = 0xFFFF,
+
.set_linux = 0x0a,
},
@@ -164,6 +214,8 @@ static const struct sabi_config sabi_configs[] = {
.max_brightness = 8,
},
{
+ .sabi_version = 3,
+
.test_string = "SwSmi@",
.main_function = 0x5843,
@@ -193,6 +245,17 @@ static const struct sabi_config sabi_configs[] = {
.get_performance_level = 0x31,
.set_performance_level = 0x32,
+ .get_battery_life_extender = 0x65,
+ .set_battery_life_extender = 0x66,
+
+ .get_usb_charge = 0x67,
+ .set_usb_charge = 0x68,
+
+ .get_wireless_status = 0x69,
+ .set_wireless_status = 0x6a,
+
+ .kbd_backlight = 0x78,
+
.set_linux = 0xff,
},
@@ -217,16 +280,82 @@ static const struct sabi_config sabi_configs[] = {
{ },
};
-static const struct sabi_config *sabi_config;
+/*
+ * samsung-laptop/ - debugfs root directory
+ * f0000_segment - dump f0000 segment
+ * command - current command
+ * data - current data
+ * d0, d1, d2, d3 - data fields
+ * call - call SABI using command and data
+ *
+ * This allow to call arbitrary sabi commands wihout
+ * modifying the driver at all.
+ * For example, setting the keyboard backlight brightness to 5
+ *
+ * echo 0x78 > command
+ * echo 0x0582 > d0
+ * echo 0 > d1
+ * echo 0 > d2
+ * echo 0 > d3
+ * cat call
+ */
+
+struct samsung_laptop_debug {
+ struct dentry *root;
+ struct sabi_data data;
+ u16 command;
+
+ struct debugfs_blob_wrapper f0000_wrapper;
+ struct debugfs_blob_wrapper data_wrapper;
+ struct debugfs_blob_wrapper sdiag_wrapper;
+};
+
+struct samsung_laptop;
+
+struct samsung_rfkill {
+ struct samsung_laptop *samsung;
+ struct rfkill *rfkill;
+ enum rfkill_type type;
+};
+
+struct samsung_laptop {
+ const struct sabi_config *config;
+
+ void __iomem *sabi;
+ void __iomem *sabi_iface;
+ void __iomem *f0000_segment;
+
+ struct mutex sabi_mutex;
+
+ struct platform_device *platform_device;
+ struct backlight_device *backlight_device;
+
+ struct samsung_rfkill wlan;
+ struct samsung_rfkill bluetooth;
+
+ struct led_classdev kbd_led;
+ int kbd_led_wk;
+ struct workqueue_struct *led_workqueue;
+ struct work_struct kbd_led_work;
+
+ struct samsung_laptop_debug debug;
+ struct samsung_quirks *quirks;
+
+ bool handle_backlight;
+ bool has_stepping_quirk;
+
+ char sdiag[64];
+};
+
+struct samsung_quirks {
+ bool broken_acpi_video;
+};
+
+static struct samsung_quirks samsung_unknown = {};
-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 bool has_stepping_quirk;
+static struct samsung_quirks samsung_broken_acpi_video = {
+ .broken_acpi_video = true,
+};
static bool force;
module_param(force, bool, 0);
@@ -237,176 +366,143 @@ static bool 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)
+static int sabi_command(struct samsung_laptop *samsung, u16 command,
+ struct sabi_data *in,
+ struct sabi_data *out)
{
- int retval = 0;
- u16 port = readw(sabi + sabi_config->header_offsets.port);
+ const struct sabi_config *config = samsung->config;
+ int ret = 0;
+ u16 port = readw(samsung->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);
+ mutex_lock(&samsung->sabi_mutex);
- /* 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;
+ if (debug) {
+ if (in)
+ pr_info("SABI command:0x%04x "
+ "data:{0x%08x, 0x%08x, 0x%04x, 0x%02x}",
+ command, in->d0, in->d1, in->d2, in->d3);
+ else
+ pr_info("SABI command:0x%04x", command);
}
- /*
- * 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);
+ outb(readb(samsung->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);
+ writew(config->main_function, samsung->sabi_iface + SABI_IFACE_MAIN);
+ writew(command, samsung->sabi_iface + SABI_IFACE_SUB);
+ writeb(0, samsung->sabi_iface + SABI_IFACE_COMPLETE);
+ if (in) {
+ writel(in->d0, samsung->sabi_iface + SABI_IFACE_DATA);
+ writel(in->d1, samsung->sabi_iface + SABI_IFACE_DATA + 4);
+ writew(in->d2, samsung->sabi_iface + SABI_IFACE_DATA + 8);
+ writeb(in->d3, samsung->sabi_iface + SABI_IFACE_DATA + 10);
+ }
+ outb(readb(samsung->sabi + config->header_offsets.iface_func), port);
/* write protect memory to make it safe */
- outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
+ outb(readb(samsung->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);
+ complete = readb(samsung->sabi_iface + SABI_IFACE_COMPLETE);
+ iface_data = readb(samsung->sabi_iface + SABI_IFACE_DATA);
+
+ /* iface_data = 0xFF happens when a command is not known
+ * so we only add a warning in debug mode since we will
+ * probably issue some unknown command at startup to find
+ * out which features are supported */
+ if (complete != 0xaa || (iface_data == 0xff && debug))
+ pr_warn("SABI command 0x%04x failed with"
+ " completion flag 0x%02x and interface data 0x%02x",
+ command, complete, 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;
+ ret = -EINVAL;
+ goto exit;
}
- 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);
+ if (out) {
+ out->d0 = readl(samsung->sabi_iface + SABI_IFACE_DATA);
+ out->d1 = readl(samsung->sabi_iface + SABI_IFACE_DATA + 4);
+ out->d2 = readw(samsung->sabi_iface + SABI_IFACE_DATA + 2);
+ out->d3 = readb(samsung->sabi_iface + SABI_IFACE_DATA + 1);
+ }
- sabi_set_command(sabi_config->commands.set_backlight, 1);
- printk(KERN_DEBUG "backlight should be on\n");
+ if (debug && out) {
+ pr_info("SABI return data:{0x%08x, 0x%08x, 0x%04x, 0x%02x}",
+ out->d0, out->d1, out->d2, out->d3);
+ }
- sabi_get_command(sabi_config->commands.get_backlight, &sretval);
- printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
+exit:
+ mutex_unlock(&samsung->sabi_mutex);
+ return ret;
}
-static void test_wireless(void)
+/* simple wrappers usable with most commands */
+static int sabi_set_commandb(struct samsung_laptop *samsung,
+ u16 command, u8 data)
{
- 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]);
+ struct sabi_data in = { { { .d0 = 0, .d1 = 0, .d2 = 0, .d3 = 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]);
+ in.data[0] = data;
+ return sabi_command(samsung, command, &in, NULL);
}
-static u8 read_brightness(void)
+static int read_brightness(struct samsung_laptop *samsung)
{
- struct sabi_retval sretval;
+ const struct sabi_config *config = samsung->config;
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data 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 > sabi_config->min_brightness)
- user_brightness -= sabi_config->min_brightness;
- else
- user_brightness = 0;
- }
+ retval = sabi_command(samsung, commands->get_brightness,
+ NULL, &sretval);
+ if (retval)
+ return retval;
+
+ user_brightness = sretval.data[0];
+ if (user_brightness > config->min_brightness)
+ user_brightness -= config->min_brightness;
+ else
+ user_brightness = 0;
+
return user_brightness;
}
-static void set_brightness(u8 user_brightness)
+static void set_brightness(struct samsung_laptop *samsung, u8 user_brightness)
{
- u8 user_level = user_brightness + sabi_config->min_brightness;
+ const struct sabi_config *config = samsung->config;
+ const struct sabi_commands *commands = &samsung->config->commands;
+ u8 user_level = user_brightness + config->min_brightness;
- if (has_stepping_quirk && user_level != 0) {
+ if (samsung->has_stepping_quirk && user_level != 0) {
/*
* short circuit if the specified level is what's already set
* to prevent the screen from flickering needlessly
*/
- if (user_brightness == read_brightness())
+ if (user_brightness == read_brightness(samsung))
return;
- sabi_set_command(sabi_config->commands.set_brightness, 0);
+ sabi_set_commandb(samsung, commands->set_brightness, 0);
}
- sabi_set_command(sabi_config->commands.set_brightness, user_level);
+ sabi_set_commandb(samsung, commands->set_brightness, user_level);
}
static int get_brightness(struct backlight_device *bd)
{
- return (int)read_brightness();
+ struct samsung_laptop *samsung = bl_get_data(bd);
+
+ return read_brightness(samsung);
}
-static void check_for_stepping_quirk(void)
+static void check_for_stepping_quirk(struct samsung_laptop *samsung)
{
- u8 initial_level;
- u8 check_level;
- u8 orig_level = read_brightness();
+ int initial_level;
+ int check_level;
+ int orig_level = read_brightness(samsung);
/*
* Some laptops exhibit the strange behaviour of stepping toward
@@ -416,34 +512,38 @@ static void check_for_stepping_quirk(void)
*/
if (orig_level == 0)
- set_brightness(1);
+ set_brightness(samsung, 1);
- initial_level = read_brightness();
+ initial_level = read_brightness(samsung);
if (initial_level <= 2)
check_level = initial_level + 2;
else
check_level = initial_level - 2;
- has_stepping_quirk = false;
- set_brightness(check_level);
+ samsung->has_stepping_quirk = false;
+ set_brightness(samsung, check_level);
- if (read_brightness() != check_level) {
- has_stepping_quirk = true;
+ if (read_brightness(samsung) != check_level) {
+ samsung->has_stepping_quirk = true;
pr_info("enabled workaround for brightness stepping quirk\n");
}
- set_brightness(orig_level);
+ set_brightness(samsung, orig_level);
}
static int update_status(struct backlight_device *bd)
{
- set_brightness(bd->props.brightness);
+ struct samsung_laptop *samsung = bl_get_data(bd);
+ const struct sabi_commands *commands = &samsung->config->commands;
+
+ set_brightness(samsung, bd->props.brightness);
if (bd->props.power == FB_BLANK_UNBLANK)
- sabi_set_command(sabi_config->commands.set_backlight, 1);
+ sabi_set_commandb(samsung, commands->set_backlight, 1);
else
- sabi_set_command(sabi_config->commands.set_backlight, 0);
+ sabi_set_commandb(samsung, commands->set_backlight, 0);
+
return 0;
}
@@ -452,66 +552,101 @@ static const struct backlight_ops backlight_ops = {
.update_status = update_status,
};
-static int rfkill_set(void *data, bool blocked)
+static int seclinux_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);
+ struct samsung_rfkill *srfkill = data;
+ struct samsung_laptop *samsung = srfkill->samsung;
+ const struct sabi_commands *commands = &samsung->config->commands;
- return 0;
+ return sabi_set_commandb(samsung, commands->set_wireless_button,
+ !blocked);
}
-static struct rfkill_ops rfkill_ops = {
- .set_block = rfkill_set,
+static struct rfkill_ops seclinux_rfkill_ops = {
+ .set_block = seclinux_rfkill_set,
};
-static int init_wireless(struct platform_device *sdev)
+static int swsmi_wireless_status(struct samsung_laptop *samsung,
+ struct sabi_data *data)
{
- int retval;
+ const struct sabi_commands *commands = &samsung->config->commands;
- 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 sabi_command(samsung, commands->get_wireless_status,
+ NULL, data);
+}
- return 0;
+static int swsmi_rfkill_set(void *priv, bool blocked)
+{
+ struct samsung_rfkill *srfkill = priv;
+ struct samsung_laptop *samsung = srfkill->samsung;
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
+ int ret, i;
+
+ ret = swsmi_wireless_status(samsung, &data);
+ if (ret)
+ return ret;
+
+ /* Don't set the state for non-present devices */
+ for (i = 0; i < 4; i++)
+ if (data.data[i] == 0x02)
+ data.data[1] = 0;
+
+ if (srfkill->type == RFKILL_TYPE_WLAN)
+ data.data[WL_STATUS_WLAN] = !blocked;
+ else if (srfkill->type == RFKILL_TYPE_BLUETOOTH)
+ data.data[WL_STATUS_BT] = !blocked;
+
+ return sabi_command(samsung, commands->set_wireless_status,
+ &data, &data);
}
-static void destroy_wireless(void)
+static void swsmi_rfkill_query(struct rfkill *rfkill, void *priv)
{
- rfkill_unregister(rfk);
- rfkill_destroy(rfk);
+ struct samsung_rfkill *srfkill = priv;
+ struct samsung_laptop *samsung = srfkill->samsung;
+ struct sabi_data data;
+ int ret;
+
+ ret = swsmi_wireless_status(samsung, &data);
+ if (ret)
+ return ;
+
+ if (srfkill->type == RFKILL_TYPE_WLAN)
+ ret = data.data[WL_STATUS_WLAN];
+ else if (srfkill->type == RFKILL_TYPE_BLUETOOTH)
+ ret = data.data[WL_STATUS_BT];
+ else
+ return ;
+
+ rfkill_set_sw_state(rfkill, !ret);
}
+static struct rfkill_ops swsmi_rfkill_ops = {
+ .set_block = swsmi_rfkill_set,
+ .query = swsmi_rfkill_query,
+};
+
static ssize_t get_performance_level(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct sabi_retval sretval;
+ struct samsung_laptop *samsung = dev_get_drvdata(dev);
+ const struct sabi_config *config = samsung->config;
+ const struct sabi_commands *commands = &config->commands;
+ struct sabi_data sretval;
int retval;
int i;
/* Read the state */
- retval = sabi_get_command(sabi_config->commands.get_performance_level,
- &sretval);
+ retval = sabi_command(samsung, commands->get_performance_level,
+ NULL, &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);
+ for (i = 0; config->performance_levels[i].name; ++i) {
+ if (sretval.data[0] == config->performance_levels[i].value)
+ return sprintf(buf, "%s\n", config->performance_levels[i].name);
}
return sprintf(buf, "%s\n", "unknown");
}
@@ -520,269 +655,178 @@ 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;
- }
+ struct samsung_laptop *samsung = dev_get_drvdata(dev);
+ const struct sabi_config *config = samsung->config;
+ const struct sabi_commands *commands = &config->commands;
+ int i;
+
+ if (count < 1)
+ return count;
+
+ for (i = 0; config->performance_levels[i].name; ++i) {
+ const struct sabi_performance_level *level =
+ &config->performance_levels[i];
+ if (!strncasecmp(level->name, buf, strlen(level->name))) {
+ sabi_set_commandb(samsung,
+ commands->set_performance_level,
+ level->value);
+ break;
}
- if (!sabi_config->performance_levels[i].name)
- return -EINVAL;
}
+
+ if (!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 read_battery_life_extender(struct samsung_laptop *samsung)
+{
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
+ int retval;
+
+ if (commands->get_battery_life_extender == 0xFFFF)
+ return -ENODEV;
+
+ memset(&data, 0, sizeof(data));
+ data.data[0] = 0x80;
+ retval = sabi_command(samsung, commands->get_battery_life_extender,
+ &data, &data);
-static int __init dmi_check_cb(const struct dmi_system_id *id)
+ if (retval)
+ return retval;
+
+ if (data.data[0] != 0 && data.data[0] != 1)
+ return -ENODEV;
+
+ return data.data[0];
+}
+
+static int write_battery_life_extender(struct samsung_laptop *samsung,
+ int enabled)
{
- pr_info("found laptop model '%s'\n",
- id->ident);
- return 1;
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
+
+ memset(&data, 0, sizeof(data));
+ data.data[0] = 0x80 | enabled;
+ return sabi_command(samsung, commands->set_battery_life_extender,
+ &data, NULL);
}
-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 = "N510",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR,
- "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "N510"),
- DMI_MATCH(DMI_BOARD_NAME, "N510"),
- },
- .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 = "R410 Plus",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR,
- "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "R410P"),
- DMI_MATCH(DMI_BOARD_NAME, "R460"),
- },
- .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 = "N220",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR,
- "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "N220"),
- DMI_MATCH(DMI_BOARD_NAME, "N220"),
- },
- .callback = dmi_check_cb,
- },
- {
- .ident = "N150/N210/N220/N230",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR,
- "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220/N230"),
- DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220/N230"),
- },
- .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 = "R700",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "SR700"),
- DMI_MATCH(DMI_BOARD_NAME, "SR700"),
- },
- .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,
- },
- {
- .ident = "R528/R728",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "R528/R728"),
- DMI_MATCH(DMI_BOARD_NAME, "R528/R728"),
- },
- .callback = dmi_check_cb,
- },
- {
- .ident = "NC210/NC110",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "NC210/NC110"),
- DMI_MATCH(DMI_BOARD_NAME, "NC210/NC110"),
- },
- .callback = dmi_check_cb,
- },
- {
- .ident = "X520",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
- DMI_MATCH(DMI_PRODUCT_NAME, "X520"),
- DMI_MATCH(DMI_BOARD_NAME, "X520"),
- },
- .callback = dmi_check_cb,
- },
- { },
+static ssize_t get_battery_life_extender(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct samsung_laptop *samsung = dev_get_drvdata(dev);
+ int ret;
+
+ ret = read_battery_life_extender(samsung);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%d\n", ret);
+}
+
+static ssize_t set_battery_life_extender(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct samsung_laptop *samsung = dev_get_drvdata(dev);
+ int ret, value;
+
+ if (!count || sscanf(buf, "%i", &value) != 1)
+ return -EINVAL;
+
+ ret = write_battery_life_extender(samsung, !!value);
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+static DEVICE_ATTR(battery_life_extender, S_IWUSR | S_IRUGO,
+ get_battery_life_extender, set_battery_life_extender);
+
+static int read_usb_charge(struct samsung_laptop *samsung)
+{
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
+ int retval;
+
+ if (commands->get_usb_charge == 0xFFFF)
+ return -ENODEV;
+
+ memset(&data, 0, sizeof(data));
+ data.data[0] = 0x80;
+ retval = sabi_command(samsung, commands->get_usb_charge,
+ &data, &data);
+
+ if (retval)
+ return retval;
+
+ if (data.data[0] != 0 && data.data[0] != 1)
+ return -ENODEV;
+
+ return data.data[0];
+}
+
+static int write_usb_charge(struct samsung_laptop *samsung,
+ int enabled)
+{
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
+
+ memset(&data, 0, sizeof(data));
+ data.data[0] = 0x80 | enabled;
+ return sabi_command(samsung, commands->set_usb_charge,
+ &data, NULL);
+}
+
+static ssize_t get_usb_charge(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct samsung_laptop *samsung = dev_get_drvdata(dev);
+ int ret;
+
+ ret = read_usb_charge(samsung);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%d\n", ret);
+}
+
+static ssize_t set_usb_charge(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct samsung_laptop *samsung = dev_get_drvdata(dev);
+ int ret, value;
+
+ if (!count || sscanf(buf, "%i", &value) != 1)
+ return -EINVAL;
+
+ ret = write_usb_charge(samsung, !!value);
+ if (ret < 0)
+ return ret;
+
+ return count;
+}
+
+static DEVICE_ATTR(usb_charge, S_IWUSR | S_IRUGO,
+ get_usb_charge, set_usb_charge);
+
+static struct attribute *platform_attributes[] = {
+ &dev_attr_performance_level.attr,
+ &dev_attr_battery_life_extender.attr,
+ &dev_attr_usb_charge.attr,
+ NULL
};
-MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
static int find_signature(void __iomem *memcheck, const char *testStr)
{
@@ -803,153 +847,772 @@ static int find_signature(void __iomem *memcheck, const char *testStr)
return loca;
}
-static int __init samsung_init(void)
+static void samsung_rfkill_exit(struct samsung_laptop *samsung)
{
- struct backlight_properties props;
- struct sabi_retval sretval;
- unsigned int ifaceP;
- int i;
- int loca;
+ if (samsung->wlan.rfkill) {
+ rfkill_unregister(samsung->wlan.rfkill);
+ rfkill_destroy(samsung->wlan.rfkill);
+ samsung->wlan.rfkill = NULL;
+ }
+ if (samsung->bluetooth.rfkill) {
+ rfkill_unregister(samsung->bluetooth.rfkill);
+ rfkill_destroy(samsung->bluetooth.rfkill);
+ samsung->bluetooth.rfkill = NULL;
+ }
+}
+
+static int samsung_new_rfkill(struct samsung_laptop *samsung,
+ struct samsung_rfkill *arfkill,
+ const char *name, enum rfkill_type type,
+ const struct rfkill_ops *ops,
+ int blocked)
+{
+ struct rfkill **rfkill = &arfkill->rfkill;
+ int ret;
+
+ arfkill->type = type;
+ arfkill->samsung = samsung;
+
+ *rfkill = rfkill_alloc(name, &samsung->platform_device->dev,
+ type, ops, arfkill);
+
+ if (!*rfkill)
+ return -EINVAL;
+
+ if (blocked != -1)
+ rfkill_init_sw_state(*rfkill, blocked);
+
+ ret = rfkill_register(*rfkill);
+ if (ret) {
+ rfkill_destroy(*rfkill);
+ *rfkill = NULL;
+ return ret;
+ }
+ return 0;
+}
+
+static int __init samsung_rfkill_init_seclinux(struct samsung_laptop *samsung)
+{
+ return samsung_new_rfkill(samsung, &samsung->wlan, "samsung-wlan",
+ RFKILL_TYPE_WLAN, &seclinux_rfkill_ops, -1);
+}
+
+static int __init samsung_rfkill_init_swsmi(struct samsung_laptop *samsung)
+{
+ struct sabi_data data;
+ int ret;
+
+ ret = swsmi_wireless_status(samsung, &data);
+ if (ret) {
+ /* Some swsmi laptops use the old seclinux way to control
+ * wireless devices */
+ if (ret == -EINVAL)
+ ret = samsung_rfkill_init_seclinux(samsung);
+ return ret;
+ }
+
+ /* 0x02 seems to mean that the device is no present/available */
+
+ if (data.data[WL_STATUS_WLAN] != 0x02)
+ ret = samsung_new_rfkill(samsung, &samsung->wlan,
+ "samsung-wlan",
+ RFKILL_TYPE_WLAN,
+ &swsmi_rfkill_ops,
+ !data.data[WL_STATUS_WLAN]);
+ if (ret)
+ goto exit;
+
+ if (data.data[WL_STATUS_BT] != 0x02)
+ ret = samsung_new_rfkill(samsung, &samsung->bluetooth,
+ "samsung-bluetooth",
+ RFKILL_TYPE_BLUETOOTH,
+ &swsmi_rfkill_ops,
+ !data.data[WL_STATUS_BT]);
+ if (ret)
+ goto exit;
+
+exit:
+ if (ret)
+ samsung_rfkill_exit(samsung);
+
+ return ret;
+}
+
+static int __init samsung_rfkill_init(struct samsung_laptop *samsung)
+{
+ if (samsung->config->sabi_version == 2)
+ return samsung_rfkill_init_seclinux(samsung);
+ if (samsung->config->sabi_version == 3)
+ return samsung_rfkill_init_swsmi(samsung);
+ return 0;
+}
+
+static int kbd_backlight_enable(struct samsung_laptop *samsung)
+{
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
int retval;
- mutex_init(&sabi_mutex);
+ if (commands->kbd_backlight == 0xFFFF)
+ return -ENODEV;
+
+ memset(&data, 0, sizeof(data));
+ data.d0 = 0xaabb;
+ retval = sabi_command(samsung, commands->kbd_backlight,
+ &data, &data);
- if (!force && !dmi_check_system(samsung_dmi_table))
+ if (retval)
+ return retval;
+
+ if (data.d0 != 0xccdd)
return -ENODEV;
+ return 0;
+}
- f0000_segment = ioremap_nocache(0xf0000, 0xffff);
- if (!f0000_segment) {
- pr_err("Can't map the segment at 0xf0000\n");
- return -EINVAL;
+static int kbd_backlight_read(struct samsung_laptop *samsung)
+{
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
+ int retval;
+
+ memset(&data, 0, sizeof(data));
+ data.data[0] = 0x81;
+ retval = sabi_command(samsung, commands->kbd_backlight,
+ &data, &data);
+
+ if (retval)
+ return retval;
+
+ return data.data[0];
+}
+
+static int kbd_backlight_write(struct samsung_laptop *samsung, int brightness)
+{
+ const struct sabi_commands *commands = &samsung->config->commands;
+ struct sabi_data data;
+
+ memset(&data, 0, sizeof(data));
+ data.d0 = 0x82 | ((brightness & 0xFF) << 8);
+ return sabi_command(samsung, commands->kbd_backlight,
+ &data, NULL);
+}
+
+static void kbd_led_update(struct work_struct *work)
+{
+ struct samsung_laptop *samsung;
+
+ samsung = container_of(work, struct samsung_laptop, kbd_led_work);
+ kbd_backlight_write(samsung, samsung->kbd_led_wk);
+}
+
+static void kbd_led_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ struct samsung_laptop *samsung;
+
+ samsung = container_of(led_cdev, struct samsung_laptop, kbd_led);
+
+ if (value > samsung->kbd_led.max_brightness)
+ value = samsung->kbd_led.max_brightness;
+ else if (value < 0)
+ value = 0;
+
+ samsung->kbd_led_wk = value;
+ queue_work(samsung->led_workqueue, &samsung->kbd_led_work);
+}
+
+static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
+{
+ struct samsung_laptop *samsung;
+
+ samsung = container_of(led_cdev, struct samsung_laptop, kbd_led);
+ return kbd_backlight_read(samsung);
+}
+
+static void samsung_leds_exit(struct samsung_laptop *samsung)
+{
+ if (!IS_ERR_OR_NULL(samsung->kbd_led.dev))
+ led_classdev_unregister(&samsung->kbd_led);
+ if (samsung->led_workqueue)
+ destroy_workqueue(samsung->led_workqueue);
+}
+
+static int __init samsung_leds_init(struct samsung_laptop *samsung)
+{
+ int ret = 0;
+
+ samsung->led_workqueue = create_singlethread_workqueue("led_workqueue");
+ if (!samsung->led_workqueue)
+ return -ENOMEM;
+
+ if (kbd_backlight_enable(samsung) >= 0) {
+ INIT_WORK(&samsung->kbd_led_work, kbd_led_update);
+
+ samsung->kbd_led.name = "samsung::kbd_backlight";
+ samsung->kbd_led.brightness_set = kbd_led_set;
+ samsung->kbd_led.brightness_get = kbd_led_get;
+ samsung->kbd_led.max_brightness = 8;
+
+ ret = led_classdev_register(&samsung->platform_device->dev,
+ &samsung->kbd_led);
+ }
+
+ if (ret)
+ samsung_leds_exit(samsung);
+
+ return ret;
+}
+
+static void samsung_backlight_exit(struct samsung_laptop *samsung)
+{
+ if (samsung->backlight_device) {
+ backlight_device_unregister(samsung->backlight_device);
+ samsung->backlight_device = NULL;
+ }
+}
+
+static int __init samsung_backlight_init(struct samsung_laptop *samsung)
+{
+ struct backlight_device *bd;
+ struct backlight_properties props;
+
+ if (!samsung->handle_backlight)
+ return 0;
+
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.type = BACKLIGHT_PLATFORM;
+ props.max_brightness = samsung->config->max_brightness -
+ samsung->config->min_brightness;
+
+ bd = backlight_device_register("samsung",
+ &samsung->platform_device->dev,
+ samsung, &backlight_ops,
+ &props);
+ if (IS_ERR(bd))
+ return PTR_ERR(bd);
+
+ samsung->backlight_device = bd;
+ samsung->backlight_device->props.brightness = read_brightness(samsung);
+ samsung->backlight_device->props.power = FB_BLANK_UNBLANK;
+ backlight_update_status(samsung->backlight_device);
+
+ return 0;
+}
+
+static umode_t samsung_sysfs_is_visible(struct kobject *kobj,
+ struct attribute *attr, int idx)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct samsung_laptop *samsung = platform_get_drvdata(pdev);
+ bool ok = true;
+
+ if (attr == &dev_attr_performance_level.attr)
+ ok = !!samsung->config->performance_levels[0].name;
+ if (attr == &dev_attr_battery_life_extender.attr)
+ ok = !!(read_battery_life_extender(samsung) >= 0);
+ if (attr == &dev_attr_usb_charge.attr)
+ ok = !!(read_usb_charge(samsung) >= 0);
+
+ return ok ? attr->mode : 0;
+}
+
+static struct attribute_group platform_attribute_group = {
+ .is_visible = samsung_sysfs_is_visible,
+ .attrs = platform_attributes
+};
+
+static void samsung_sysfs_exit(struct samsung_laptop *samsung)
+{
+ struct platform_device *device = samsung->platform_device;
+
+ sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
+}
+
+static int __init samsung_sysfs_init(struct samsung_laptop *samsung)
+{
+ struct platform_device *device = samsung->platform_device;
+
+ return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
+
+}
+
+static int show_call(struct seq_file *m, void *data)
+{
+ struct samsung_laptop *samsung = m->private;
+ struct sabi_data *sdata = &samsung->debug.data;
+ int ret;
+
+ seq_printf(m, "SABI 0x%04x {0x%08x, 0x%08x, 0x%04x, 0x%02x}\n",
+ samsung->debug.command,
+ sdata->d0, sdata->d1, sdata->d2, sdata->d3);
+
+ ret = sabi_command(samsung, samsung->debug.command, sdata, sdata);
+
+ if (ret) {
+ seq_printf(m, "SABI command 0x%04x failed\n",
+ samsung->debug.command);
+ return ret;
+ }
+
+ seq_printf(m, "SABI {0x%08x, 0x%08x, 0x%04x, 0x%02x}\n",
+ sdata->d0, sdata->d1, sdata->d2, sdata->d3);
+ return 0;
+}
+
+static int samsung_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, show_call, inode->i_private);
+}
+
+static const struct file_operations samsung_laptop_call_io_ops = {
+ .owner = THIS_MODULE,
+ .open = samsung_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void samsung_debugfs_exit(struct samsung_laptop *samsung)
+{
+ debugfs_remove_recursive(samsung->debug.root);
+}
+
+static int samsung_debugfs_init(struct samsung_laptop *samsung)
+{
+ struct dentry *dent;
+
+ samsung->debug.root = debugfs_create_dir("samsung-laptop", NULL);
+ if (!samsung->debug.root) {
+ pr_err("failed to create debugfs directory");
+ goto error_debugfs;
+ }
+
+ samsung->debug.f0000_wrapper.data = samsung->f0000_segment;
+ samsung->debug.f0000_wrapper.size = 0xffff;
+
+ samsung->debug.data_wrapper.data = &samsung->debug.data;
+ samsung->debug.data_wrapper.size = sizeof(samsung->debug.data);
+
+ samsung->debug.sdiag_wrapper.data = samsung->sdiag;
+ samsung->debug.sdiag_wrapper.size = strlen(samsung->sdiag);
+
+ dent = debugfs_create_u16("command", S_IRUGO | S_IWUSR,
+ samsung->debug.root, &samsung->debug.command);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_u32("d0", S_IRUGO | S_IWUSR, samsung->debug.root,
+ &samsung->debug.data.d0);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_u32("d1", S_IRUGO | S_IWUSR, samsung->debug.root,
+ &samsung->debug.data.d1);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_u16("d2", S_IRUGO | S_IWUSR, samsung->debug.root,
+ &samsung->debug.data.d2);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_u8("d3", S_IRUGO | S_IWUSR, samsung->debug.root,
+ &samsung->debug.data.d3);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_blob("data", S_IRUGO | S_IWUSR,
+ samsung->debug.root,
+ &samsung->debug.data_wrapper);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_blob("f0000_segment", S_IRUSR | S_IWUSR,
+ samsung->debug.root,
+ &samsung->debug.f0000_wrapper);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_file("call", S_IFREG | S_IRUGO,
+ samsung->debug.root, samsung,
+ &samsung_laptop_call_io_ops);
+ if (!dent)
+ goto error_debugfs;
+
+ dent = debugfs_create_blob("sdiag", S_IRUGO | S_IWUSR,
+ samsung->debug.root,
+ &samsung->debug.sdiag_wrapper);
+ if (!dent)
+ goto error_debugfs;
+
+ return 0;
+
+error_debugfs:
+ samsung_debugfs_exit(samsung);
+ return -ENOMEM;
+}
+
+static void samsung_sabi_exit(struct samsung_laptop *samsung)
+{
+ const struct sabi_config *config = samsung->config;
+
+ /* Turn off "Linux" mode in the BIOS */
+ if (config && config->commands.set_linux != 0xff)
+ sabi_set_commandb(samsung, config->commands.set_linux, 0x80);
+
+ if (samsung->sabi_iface) {
+ iounmap(samsung->sabi_iface);
+ samsung->sabi_iface = NULL;
+ }
+ if (samsung->f0000_segment) {
+ iounmap(samsung->f0000_segment);
+ samsung->f0000_segment = NULL;
+ }
+
+ samsung->config = NULL;
+}
+
+static __init void samsung_sabi_infos(struct samsung_laptop *samsung, int loca,
+ unsigned int ifaceP)
+{
+ const struct sabi_config *config = samsung->config;
+
+ 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(samsung->sabi + config->header_offsets.port));
+ printk(KERN_DEBUG " SMI Interface Function = 0x%02x\n",
+ readb(samsung->sabi + config->header_offsets.iface_func));
+ printk(KERN_DEBUG " SMI enable memory buffer = 0x%02x\n",
+ readb(samsung->sabi + config->header_offsets.en_mem));
+ printk(KERN_DEBUG " SMI restore memory buffer = 0x%02x\n",
+ readb(samsung->sabi + config->header_offsets.re_mem));
+ printk(KERN_DEBUG " SABI data offset = 0x%04x\n",
+ readw(samsung->sabi + config->header_offsets.data_offset));
+ printk(KERN_DEBUG " SABI data segment = 0x%04x\n",
+ readw(samsung->sabi + config->header_offsets.data_segment));
+
+ printk(KERN_DEBUG " SABI pointer = 0x%08x\n", ifaceP);
+}
+
+static void __init samsung_sabi_diag(struct samsung_laptop *samsung)
+{
+ int loca = find_signature(samsung->f0000_segment, "SDiaG@");
+ int i;
+
+ if (loca == 0xffff)
+ return ;
+
+ /* Example:
+ * Ident: @SDiaG@686XX-N90X3A/966-SEC-07HL-S90X3A
+ *
+ * Product name: 90X3A
+ * BIOS Version: 07HL
+ */
+ loca += 1;
+ for (i = 0; loca < 0xffff && i < sizeof(samsung->sdiag) - 1; loca++) {
+ char temp = readb(samsung->f0000_segment + loca);
+
+ if (isalnum(temp) || temp == '/' || temp == '-')
+ samsung->sdiag[i++] = temp;
+ else
+ break ;
}
+ if (debug && samsung->sdiag[0])
+ pr_info("sdiag: %s", samsung->sdiag);
+}
+
+static int __init samsung_sabi_init(struct samsung_laptop *samsung)
+{
+ const struct sabi_config *config = NULL;
+ const struct sabi_commands *commands;
+ unsigned int ifaceP;
+ int ret = 0;
+ int i;
+ int loca;
+
+ samsung->f0000_segment = ioremap_nocache(0xf0000, 0xffff);
+ if (!samsung->f0000_segment) {
+ if (debug || force)
+ pr_err("Can't map the segment at 0xf0000\n");
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ samsung_sabi_diag(samsung);
+
/* 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);
+ samsung->config = &sabi_configs[i];
+ loca = find_signature(samsung->f0000_segment,
+ samsung->config->test_string);
if (loca != 0xffff)
break;
}
if (loca == 0xffff) {
- pr_err("This computer does not support SABI\n");
- goto error_no_signature;
+ if (debug || force)
+ pr_err("This computer does not support SABI\n");
+ ret = -ENODEV;
+ goto exit;
}
+ config = samsung->config;
+ commands = &config->commands;
+
/* 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));
- }
+ samsung->sabi = (samsung->f0000_segment + loca);
/* 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 error_no_signature;
- }
- if (debug) {
- printk(KERN_DEBUG "ifaceP = 0x%08x\n", ifaceP);
- printk(KERN_DEBUG "sabi_iface = %p\n", sabi_iface);
+ ifaceP = (readw(samsung->sabi + config->header_offsets.data_segment) & 0x0ffff) << 4;
+ ifaceP += readw(samsung->sabi + config->header_offsets.data_offset) & 0x0ffff;
- test_backlight();
- test_wireless();
+ if (debug)
+ samsung_sabi_infos(samsung, loca, ifaceP);
- retval = sabi_get_command(sabi_config->commands.get_brightness,
- &sretval);
- printk(KERN_DEBUG "brightness = 0x%02x\n", sretval.retval[0]);
+ samsung->sabi_iface = ioremap_nocache(ifaceP, 16);
+ if (!samsung->sabi_iface) {
+ pr_err("Can't remap %x\n", ifaceP);
+ ret = -EINVAL;
+ goto exit;
}
/* 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 (commands->set_linux != 0xff) {
+ int retval = sabi_set_commandb(samsung,
+ commands->set_linux, 0x81);
if (retval) {
pr_warn("Linux mode was not set!\n");
- goto error_no_platform;
+ ret = -ENODEV;
+ goto exit;
}
}
/* Check for stepping quirk */
- check_for_stepping_quirk();
+ if (samsung->handle_backlight)
+ check_for_stepping_quirk(samsung);
- /* 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;
+ pr_info("detected SABI interface: %s\n",
+ samsung->config->test_string);
- /* create a backlight device to talk to this one */
- memset(&props, 0, sizeof(struct backlight_properties));
- props.type = BACKLIGHT_PLATFORM;
- props.max_brightness = sabi_config->max_brightness -
- sabi_config->min_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;
+exit:
+ if (ret)
+ samsung_sabi_exit(samsung);
- retval = device_create_file(&sdev->dev, &dev_attr_performance_level);
- if (retval)
- goto error_file_create;
+ return ret;
+}
+
+static void samsung_platform_exit(struct samsung_laptop *samsung)
+{
+ if (samsung->platform_device) {
+ platform_device_unregister(samsung->platform_device);
+ samsung->platform_device = NULL;
+ }
+}
+
+static int __init samsung_platform_init(struct samsung_laptop *samsung)
+{
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_simple("samsung", -1, NULL, 0);
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+ samsung->platform_device = pdev;
+ platform_set_drvdata(samsung->platform_device, samsung);
return 0;
+}
+
+static struct samsung_quirks *quirks;
+
+static int __init samsung_dmi_matched(const struct dmi_system_id *d)
+{
+ quirks = d->driver_data;
+ return 0;
+}
+
+static struct dmi_system_id __initdata samsung_dmi_table[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
+ },
+ },
+ /* Specific DMI ids for laptop with quirks */
+ {
+ .callback = samsung_dmi_matched,
+ .ident = "N150P",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "N150P"),
+ DMI_MATCH(DMI_BOARD_NAME, "N150P"),
+ },
+ .driver_data = &samsung_broken_acpi_video,
+ },
+ {
+ .callback = samsung_dmi_matched,
+ .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"),
+ },
+ .driver_data = &samsung_broken_acpi_video,
+ },
+ {
+ .callback = samsung_dmi_matched,
+ .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"),
+ },
+ .driver_data = &samsung_broken_acpi_video,
+ },
+ {
+ .callback = samsung_dmi_matched,
+ .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"),
+ },
+ .driver_data = &samsung_broken_acpi_video,
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
-error_file_create:
- destroy_wireless();
+static struct platform_device *samsung_platform_device;
-error_no_rfk:
- backlight_device_unregister(backlight_device);
+static int __init samsung_init(void)
+{
+ struct samsung_laptop *samsung;
+ int ret;
-error_no_backlight:
- platform_device_unregister(sdev);
+ quirks = &samsung_unknown;
+ if (!force && !dmi_check_system(samsung_dmi_table))
+ return -ENODEV;
+
+ samsung = kzalloc(sizeof(*samsung), GFP_KERNEL);
+ if (!samsung)
+ return -ENOMEM;
-error_no_platform:
- iounmap(sabi_iface);
+ mutex_init(&samsung->sabi_mutex);
+ samsung->handle_backlight = true;
+ samsung->quirks = quirks;
-error_no_signature:
- iounmap(f0000_segment);
- return -EINVAL;
+
+#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
+ /* Don't handle backlight here if the acpi video already handle it */
+ if (acpi_video_backlight_support()) {
+ if (samsung->quirks->broken_acpi_video) {
+ pr_info("Disabling ACPI video driver\n");
+ acpi_video_unregister();
+ } else {
+ samsung->handle_backlight = false;
+ }
+ }
+#endif
+
+ ret = samsung_platform_init(samsung);
+ if (ret)
+ goto error_platform;
+
+ ret = samsung_sabi_init(samsung);
+ if (ret)
+ goto error_sabi;
+
+#ifdef CONFIG_ACPI
+ /* Only log that if we are really on a sabi platform */
+ if (acpi_video_backlight_support() &&
+ !samsung->quirks->broken_acpi_video)
+ pr_info("Backlight controlled by ACPI video driver\n");
+#endif
+
+ ret = samsung_sysfs_init(samsung);
+ if (ret)
+ goto error_sysfs;
+
+ ret = samsung_backlight_init(samsung);
+ if (ret)
+ goto error_backlight;
+
+ ret = samsung_rfkill_init(samsung);
+ if (ret)
+ goto error_rfkill;
+
+ ret = samsung_leds_init(samsung);
+ if (ret)
+ goto error_leds;
+
+ ret = samsung_debugfs_init(samsung);
+ if (ret)
+ goto error_debugfs;
+
+ samsung_platform_device = samsung->platform_device;
+ return ret;
+
+error_debugfs:
+ samsung_leds_exit(samsung);
+error_leds:
+ samsung_rfkill_exit(samsung);
+error_rfkill:
+ samsung_backlight_exit(samsung);
+error_backlight:
+ samsung_sysfs_exit(samsung);
+error_sysfs:
+ samsung_sabi_exit(samsung);
+error_sabi:
+ samsung_platform_exit(samsung);
+error_platform:
+ kfree(samsung);
+ return ret;
}
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);
+ struct samsung_laptop *samsung;
+
+ samsung = platform_get_drvdata(samsung_platform_device);
+
+ samsung_debugfs_exit(samsung);
+ samsung_leds_exit(samsung);
+ samsung_rfkill_exit(samsung);
+ samsung_backlight_exit(samsung);
+ samsung_sysfs_exit(samsung);
+ samsung_sabi_exit(samsung);
+ samsung_platform_exit(samsung);
+
+ kfree(samsung);
+ samsung_platform_device = NULL;
}
module_init(samsung_init);
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index c006dee5ebfe..8a51795aa02a 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -127,7 +127,7 @@ MODULE_PARM_DESC(minor,
"default is -1 (automatic)");
#endif
-static int kbd_backlight; /* = 1 */
+static int kbd_backlight = 1;
module_param(kbd_backlight, int, 0444);
MODULE_PARM_DESC(kbd_backlight,
"set this to 0 to disable keyboard backlight, "
@@ -347,6 +347,7 @@ static void sony_laptop_report_input_event(u8 event)
struct input_dev *jog_dev = sony_laptop_input.jog_dev;
struct input_dev *key_dev = sony_laptop_input.key_dev;
struct sony_laptop_keypress kp = { NULL };
+ int scancode = -1;
if (event == SONYPI_EVENT_FNKEY_RELEASED ||
event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
@@ -380,8 +381,8 @@ static void sony_laptop_report_input_event(u8 event)
dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
break;
}
- if (sony_laptop_input_index[event] != -1) {
- kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
+ if ((scancode = sony_laptop_input_index[event]) != -1) {
+ kp.key = sony_laptop_input_keycode_map[scancode];
if (kp.key != KEY_UNKNOWN)
kp.dev = key_dev;
}
@@ -389,9 +390,11 @@ static void sony_laptop_report_input_event(u8 event)
}
if (kp.dev) {
+ /* if we have a scancode we emit it so we can always
+ remap the key */
+ if (scancode != -1)
+ input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
input_report_key(kp.dev, kp.key, 1);
- /* we emit the scancode so we can always remap the key */
- input_event(kp.dev, EV_MSC, MSC_SCAN, event);
input_sync(kp.dev);
/* schedule key release */
@@ -466,7 +469,7 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device)
jog_dev->name = "Sony Vaio Jogdial";
jog_dev->id.bustype = BUS_ISA;
jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
- key_dev->dev.parent = &acpi_device->dev;
+ jog_dev->dev.parent = &acpi_device->dev;
input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
input_set_capability(jog_dev, EV_REL, REL_WHEEL);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index ea0c6075b720..d68c0002f4a2 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8658,7 +8658,7 @@ static int __must_check __init get_thinkpad_model_data(
}
s = dmi_get_system_info(DMI_PRODUCT_VERSION);
- if (s && !strnicmp(s, "ThinkPad", 8)) {
+ if (s && !(strnicmp(s, "ThinkPad", 8) && strnicmp(s, "Lenovo", 6))) {
tp->model_str = kstrdup(s, GFP_KERNEL);
if (!tp->model_str)
return -ENOMEM;
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index dcdc1f4a4624..ee79ce64d9df 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -52,6 +52,8 @@
#include <linux/input/sparse-keymap.h>
#include <linux/leds.h>
#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/i8042.h>
#include <asm/uaccess.h>
@@ -61,6 +63,11 @@ MODULE_AUTHOR("John Belmonte");
MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver");
MODULE_LICENSE("GPL");
+#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
+
+/* Scan code for Fn key on TOS1900 models */
+#define TOS1900_FN_SCAN 0x6e
+
/* Toshiba ACPI method paths */
#define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX"
@@ -95,6 +102,8 @@ MODULE_LICENSE("GPL");
#define HCI_WIRELESS 0x0056
/* field definitions */
+#define HCI_HOTKEY_DISABLE 0x0b
+#define HCI_HOTKEY_ENABLE 0x09
#define HCI_LCD_BRIGHTNESS_BITS 3
#define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS)
#define HCI_LCD_BRIGHTNESS_LEVELS (1 << HCI_LCD_BRIGHTNESS_BITS)
@@ -111,6 +120,7 @@ struct toshiba_acpi_dev {
const char *method_hci;
struct rfkill *bt_rfk;
struct input_dev *hotkey_dev;
+ struct work_struct hotkey_work;
struct backlight_device *backlight_dev;
struct led_classdev led_dev;
@@ -118,14 +128,18 @@ struct toshiba_acpi_dev {
int last_key_event;
int key_event_valid;
- int illumination_supported:1;
- int video_supported:1;
- int fan_supported:1;
- int system_event_supported:1;
+ unsigned int illumination_supported:1;
+ unsigned int video_supported:1;
+ unsigned int fan_supported:1;
+ unsigned int system_event_supported:1;
+ unsigned int ntfy_supported:1;
+ unsigned int info_supported:1;
struct mutex mutex;
};
+static struct toshiba_acpi_dev *toshiba_acpi;
+
static const struct acpi_device_id toshiba_device_ids[] = {
{"TOS6200", 0},
{"TOS6208", 0},
@@ -138,6 +152,8 @@ static const struct key_entry toshiba_acpi_keymap[] __devinitconst = {
{ KE_KEY, 0x101, { KEY_MUTE } },
{ KE_KEY, 0x102, { KEY_ZOOMOUT } },
{ KE_KEY, 0x103, { KEY_ZOOMIN } },
+ { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } },
+ { KE_KEY, 0x139, { KEY_ZOOMRESET } },
{ KE_KEY, 0x13b, { KEY_COFFEE } },
{ KE_KEY, 0x13c, { KEY_BATTERY } },
{ KE_KEY, 0x13d, { KEY_SLEEP } },
@@ -146,7 +162,7 @@ static const struct key_entry toshiba_acpi_keymap[] __devinitconst = {
{ KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } },
{ KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0x142, { KEY_WLAN } },
- { KE_KEY, 0x143, { KEY_PROG1 } },
+ { KE_KEY, 0x143, { KEY_TOUCHPAD_TOGGLE } },
{ KE_KEY, 0x17f, { KEY_FN } },
{ KE_KEY, 0xb05, { KEY_PROG2 } },
{ KE_KEY, 0xb06, { KEY_WWW } },
@@ -156,6 +172,7 @@ static const struct key_entry toshiba_acpi_keymap[] __devinitconst = {
{ KE_KEY, 0xb32, { KEY_NEXTSONG } },
{ KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
{ KE_KEY, 0xb5a, { KEY_MEDIA } },
+ { KE_IGNORE, 0x1430, { KEY_RESERVED } },
{ KE_END, 0 },
};
@@ -847,10 +864,78 @@ static const struct backlight_ops toshiba_backlight_data = {
.update_status = set_lcd_status,
};
+static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str,
+ struct serio *port)
+{
+ if (str & 0x20)
+ return false;
+
+ if (unlikely(data == 0xe0))
+ return false;
+
+ if ((data & 0x7f) == TOS1900_FN_SCAN) {
+ schedule_work(&toshiba_acpi->hotkey_work);
+ return true;
+ }
+
+ return false;
+}
+
+static void toshiba_acpi_hotkey_work(struct work_struct *work)
+{
+ acpi_handle ec_handle = ec_get_handle();
+ acpi_status status;
+
+ if (!ec_handle)
+ return;
+
+ status = acpi_evaluate_object(ec_handle, "NTFY", NULL, NULL);
+ if (ACPI_FAILURE(status))
+ pr_err("ACPI NTFY method execution failed\n");
+}
+
+/*
+ * Returns hotkey scancode, or < 0 on failure.
+ */
+static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev)
+{
+ struct acpi_buffer buf;
+ union acpi_object out_obj;
+ acpi_status status;
+
+ buf.pointer = &out_obj;
+ buf.length = sizeof(out_obj);
+
+ status = acpi_evaluate_object(dev->acpi_dev->handle, "INFO",
+ NULL, &buf);
+ if (ACPI_FAILURE(status) || out_obj.type != ACPI_TYPE_INTEGER) {
+ pr_err("ACPI INFO method execution failed\n");
+ return -EIO;
+ }
+
+ return out_obj.integer.value;
+}
+
+static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev,
+ int scancode)
+{
+ if (scancode == 0x100)
+ return;
+
+ /* act on key press; ignore key release */
+ if (scancode & 0x80)
+ return;
+
+ if (!sparse_keymap_report_event(dev->hotkey_dev, scancode, 1, true))
+ pr_info("Unknown key %x\n", scancode);
+}
+
static int __devinit toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
{
acpi_status status;
+ acpi_handle ec_handle, handle;
int error;
+ u32 hci_result;
dev->hotkey_dev = input_allocate_device();
if (!dev->hotkey_dev) {
@@ -866,21 +951,67 @@ static int __devinit toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
if (error)
goto err_free_dev;
+ /*
+ * For some machines the SCI responsible for providing hotkey
+ * notification doesn't fire. We can trigger the notification
+ * whenever the Fn key is pressed using the NTFY method, if
+ * supported, so if it's present set up an i8042 key filter
+ * for this purpose.
+ */
+ status = AE_ERROR;
+ ec_handle = ec_get_handle();
+ if (ec_handle)
+ status = acpi_get_handle(ec_handle, "NTFY", &handle);
+
+ if (ACPI_SUCCESS(status)) {
+ INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work);
+
+ error = i8042_install_filter(toshiba_acpi_i8042_filter);
+ if (error) {
+ pr_err("Error installing key filter\n");
+ goto err_free_keymap;
+ }
+
+ dev->ntfy_supported = 1;
+ }
+
+ /*
+ * Determine hotkey query interface. Prefer using the INFO
+ * method when it is available.
+ */
+ status = acpi_get_handle(dev->acpi_dev->handle, "INFO", &handle);
+ if (ACPI_SUCCESS(status)) {
+ dev->info_supported = 1;
+ } else {
+ hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ dev->system_event_supported = 1;
+ }
+
+ if (!dev->info_supported && !dev->system_event_supported) {
+ pr_warn("No hotkey query interface found\n");
+ goto err_remove_filter;
+ }
+
status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", NULL, NULL);
if (ACPI_FAILURE(status)) {
pr_info("Unable to enable hotkeys\n");
error = -ENODEV;
- goto err_free_keymap;
+ goto err_remove_filter;
}
error = input_register_device(dev->hotkey_dev);
if (error) {
pr_info("Unable to register input device\n");
- goto err_free_keymap;
+ goto err_remove_filter;
}
+ hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE, &hci_result);
return 0;
+ err_remove_filter:
+ if (dev->ntfy_supported)
+ i8042_remove_filter(toshiba_acpi_i8042_filter);
err_free_keymap:
sparse_keymap_free(dev->hotkey_dev);
err_free_dev:
@@ -895,6 +1026,11 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev, int type)
remove_toshiba_proc_entries(dev);
+ if (dev->ntfy_supported) {
+ i8042_remove_filter(toshiba_acpi_i8042_filter);
+ cancel_work_sync(&dev->hotkey_work);
+ }
+
if (dev->hotkey_dev) {
input_unregister_device(dev->hotkey_dev);
sparse_keymap_free(dev->hotkey_dev);
@@ -911,6 +1047,9 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev, int type)
if (dev->illumination_supported)
led_classdev_unregister(&dev->led_dev);
+ if (toshiba_acpi)
+ toshiba_acpi = NULL;
+
kfree(dev);
return 0;
@@ -936,12 +1075,14 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
{
struct toshiba_acpi_dev *dev;
const char *hci_method;
- u32 hci_result;
u32 dummy;
bool bt_present;
int ret = 0;
struct backlight_properties props;
+ if (toshiba_acpi)
+ return -EBUSY;
+
pr_info("Toshiba Laptop ACPI Extras version %s\n",
TOSHIBA_ACPI_VERSION);
@@ -963,11 +1104,6 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
mutex_init(&dev->mutex);
- /* enable event fifo */
- hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
- if (hci_result == HCI_SUCCESS)
- dev->system_event_supported = 1;
-
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
dev->backlight_dev = backlight_device_register("toshiba",
@@ -1024,6 +1160,8 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
create_toshiba_proc_entries(dev);
+ toshiba_acpi = dev;
+
return 0;
error:
@@ -1036,40 +1174,64 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
u32 hci_result, value;
int retries = 3;
+ int scancode;
- if (!dev->system_event_supported || event != 0x80)
+ if (event != 0x80)
return;
- do {
- hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
- switch (hci_result) {
- case HCI_SUCCESS:
- if (value == 0x100)
- continue;
- /* act on key press; ignore key release */
- if (value & 0x80)
- continue;
-
- if (!sparse_keymap_report_event(dev->hotkey_dev,
- value, 1, true)) {
- pr_info("Unknown key %x\n",
- value);
+ if (dev->info_supported) {
+ scancode = toshiba_acpi_query_hotkey(dev);
+ if (scancode < 0)
+ pr_err("Failed to query hotkey event\n");
+ else if (scancode != 0)
+ toshiba_acpi_report_hotkey(dev, scancode);
+ } else if (dev->system_event_supported) {
+ do {
+ hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
+ switch (hci_result) {
+ case HCI_SUCCESS:
+ toshiba_acpi_report_hotkey(dev, (int)value);
+ break;
+ case HCI_NOT_SUPPORTED:
+ /*
+ * This is a workaround for an unresolved
+ * issue on some machines where system events
+ * sporadically become disabled.
+ */
+ hci_write1(dev, HCI_SYSTEM_EVENT, 1,
+ &hci_result);
+ pr_notice("Re-enabled hotkeys\n");
+ /* fall through */
+ default:
+ retries--;
+ break;
}
- break;
- case HCI_NOT_SUPPORTED:
- /* This is a workaround for an unresolved issue on
- * some machines where system events sporadically
- * become disabled. */
- hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
- pr_notice("Re-enabled hotkeys\n");
- /* fall through */
- default:
- retries--;
- break;
- }
- } while (retries && hci_result != HCI_EMPTY);
+ } while (retries && hci_result != HCI_EMPTY);
+ }
+}
+
+static int toshiba_acpi_suspend(struct acpi_device *acpi_dev,
+ pm_message_t state)
+{
+ struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
+ u32 result;
+
+ if (dev->hotkey_dev)
+ hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE, &result);
+
+ return 0;
}
+static int toshiba_acpi_resume(struct acpi_device *acpi_dev)
+{
+ struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
+ u32 result;
+
+ if (dev->hotkey_dev)
+ hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE, &result);
+
+ return 0;
+}
static struct acpi_driver toshiba_acpi_driver = {
.name = "Toshiba ACPI driver",
@@ -1080,6 +1242,8 @@ static struct acpi_driver toshiba_acpi_driver = {
.add = toshiba_acpi_add,
.remove = toshiba_acpi_remove,
.notify = toshiba_acpi_notify,
+ .suspend = toshiba_acpi_suspend,
+ .resume = toshiba_acpi_resume,
},
};
@@ -1087,6 +1251,14 @@ static int __init toshiba_acpi_init(void)
{
int ret;
+ /*
+ * Machines with this WMI guid aren't supported due to bugs in
+ * their AML. This check relies on wmi initializing before
+ * toshiba_acpi to guarantee guids have been identified.
+ */
+ if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
+ return -ENODEV;
+
toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
if (!toshiba_proc_dir) {
pr_err("Unable to create proc dir " PROC_TOSHIBA "\n");
diff --git a/drivers/platform/x86/xo1-rfkill.c b/drivers/platform/x86/xo1-rfkill.c
index e549eeeda121..41781ed8301c 100644
--- a/drivers/platform/x86/xo1-rfkill.c
+++ b/drivers/platform/x86/xo1-rfkill.c
@@ -67,19 +67,8 @@ static struct platform_driver xo1_rfkill_driver = {
.remove = __devexit_p(xo1_rfkill_remove),
};
-static int __init xo1_rfkill_init(void)
-{
- return platform_driver_register(&xo1_rfkill_driver);
-}
-
-static void __exit xo1_rfkill_exit(void)
-{
- platform_driver_unregister(&xo1_rfkill_driver);
-}
+module_platform_driver(xo1_rfkill_driver);
MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:xo1-rfkill");
-
-module_init(xo1_rfkill_init);
-module_exit(xo1_rfkill_exit);
diff --git a/drivers/video/backlight/apple_bl.c b/drivers/video/backlight/apple_bl.c
index be98d152b7fd..a523b255e124 100644
--- a/drivers/video/backlight/apple_bl.c
+++ b/drivers/video/backlight/apple_bl.c
@@ -24,6 +24,7 @@
#include <linux/io.h>
#include <linux/pci.h>
#include <linux/acpi.h>
+#include <linux/atomic.h>
static struct backlight_device *apple_backlight_device;
@@ -221,14 +222,32 @@ static struct acpi_driver apple_bl_driver = {
},
};
+static atomic_t apple_bl_registered = ATOMIC_INIT(0);
+
+int apple_bl_register(void)
+{
+ if (atomic_xchg(&apple_bl_registered, 1) == 0)
+ return acpi_bus_register_driver(&apple_bl_driver);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(apple_bl_register);
+
+void apple_bl_unregister(void)
+{
+ if (atomic_xchg(&apple_bl_registered, 0) == 1)
+ acpi_bus_unregister_driver(&apple_bl_driver);
+}
+EXPORT_SYMBOL_GPL(apple_bl_unregister);
+
static int __init apple_bl_init(void)
{
- return acpi_bus_register_driver(&apple_bl_driver);
+ return apple_bl_register();
}
static void __exit apple_bl_exit(void)
{
- acpi_bus_unregister_driver(&apple_bl_driver);
+ apple_bl_unregister();
}
module_init(apple_bl_init);
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 3f968665899b..f53fea61f40a 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -151,6 +151,7 @@ extern int ec_write(u8 addr, u8 val);
extern int ec_transaction(u8 command,
const u8 *wdata, unsigned wdata_len,
u8 *rdata, unsigned rdata_len);
+extern acpi_handle ec_get_handle(void);
#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
diff --git a/include/linux/apple_bl.h b/include/linux/apple_bl.h
new file mode 100644
index 000000000000..47bedc0eee69
--- /dev/null
+++ b/include/linux/apple_bl.h
@@ -0,0 +1,26 @@
+/*
+ * apple_bl exported symbols
+ */
+
+#ifndef _LINUX_APPLE_BL_H
+#define _LINUX_APPLE_BL_H
+
+#ifdef CONFIG_BACKLIGHT_APPLE
+
+extern int apple_bl_register(void);
+extern void apple_bl_unregister(void);
+
+#else /* !CONFIG_BACKLIGHT_APPLE */
+
+static inline int apple_bl_register(void)
+{
+ return 0;
+}
+
+static inline void apple_bl_unregister(void)
+{
+}
+
+#endif /* !CONFIG_BACKLIGHT_APPLE */
+
+#endif /* _LINUX_APPLE_BL_H */