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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 17:28:13 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 17:28:13 +0200
commitfbaab1dc19751c80a7df62425f1d9ad2688e42f5 (patch)
tree87d9fb36de2873677449bb1737086a3c64f87ef6 /drivers/platform
parentMerge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6 (diff)
parenteeepc-wmi: Add cpufv sysfs interface (diff)
downloadlinux-fbaab1dc19751c80a7df62425f1d9ad2688e42f5.tar.xz
linux-fbaab1dc19751c80a7df62425f1d9ad2688e42f5.zip
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: (44 commits) eeepc-wmi: Add cpufv sysfs interface eeepc-wmi: add additional hotkeys panasonic-laptop: Simplify calls to acpi_pcc_retrieve_biosdata panasonic-laptop: Handle errors properly if they happen intel_pmic_gpio: fix off-by-one value range checking IBM Real-Time "SMI Free" mode driver -v7 Add OLPC XO-1 rfkill driver Move hdaps driver to platform/x86 ideapad-laptop: Fix Makefile intel_pmic_gpio: swap the bits and mask args for intel_scu_ipc_update_register ideapad: Add param: no_bt_rfkill ideapad: Change the driver name to ideapad-laptop ideapad: rewrite the sw rfkill set ideapad: rewrite the hw rfkill notify ideapad: use EC command to control camera ideapad: use return value of _CFG to tell if device exist or not ideapad: make sure we bind on the correct device ideapad: check VPC bit before sync rfkill hw status ideapad: add ACPI helpers dell-laptop: Add debugfs support ...
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/Kconfig53
-rw-r--r--drivers/platform/x86/Makefile6
-rw-r--r--drivers/platform/x86/acer-wmi.c2
-rw-r--r--drivers/platform/x86/asus-laptop.c171
-rw-r--r--drivers/platform/x86/dell-laptop.c77
-rw-r--r--drivers/platform/x86/dell-wmi.c256
-rw-r--r--drivers/platform/x86/eeepc-laptop.c16
-rw-r--r--drivers/platform/x86/eeepc-wmi.c56
-rw-r--r--drivers/platform/x86/hdaps.c637
-rw-r--r--drivers/platform/x86/hp-wmi.c172
-rw-r--r--drivers/platform/x86/ibm_rtl.c341
-rw-r--r--drivers/platform/x86/ideapad-laptop.c (renamed from drivers/platform/x86/ideapad_acpi.c)238
-rw-r--r--drivers/platform/x86/intel_pmic_gpio.c26
-rw-r--r--drivers/platform/x86/intel_scu_ipc.c1
-rw-r--r--drivers/platform/x86/panasonic-laptop.c194
-rw-r--r--drivers/platform/x86/topstar-laptop.c161
-rw-r--r--drivers/platform/x86/toshiba_acpi.c191
-rw-r--r--drivers/platform/x86/wmi.c308
-rw-r--r--drivers/platform/x86/xo1-rfkill.c85
19 files changed, 1980 insertions, 1011 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index cff7cc2c1f02..faec777b1ed4 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -92,6 +92,7 @@ config DELL_WMI
tristate "Dell WMI extras"
depends on ACPI_WMI
depends on INPUT
+ select INPUT_SPARSEKMAP
---help---
Say Y here if you want to support WMI-based hotkeys on Dell laptops.
@@ -140,6 +141,7 @@ config HP_WMI
depends on ACPI_WMI
depends on INPUT
depends on RFKILL || RFKILL = n
+ select INPUT_SPARSEKMAP
help
Say Y here if you want to support WMI-based hotkeys on HP laptops and
to read data from WMI such as docking or ambient light sensor state.
@@ -171,6 +173,7 @@ config PANASONIC_LAPTOP
tristate "Panasonic Laptop Extras"
depends on INPUT && ACPI
depends on BACKLIGHT_CLASS_DEVICE
+ select INPUT_SPARSEKMAP
---help---
This driver adds support for access to backlight control and hotkeys
on Panasonic Let's Note laptops.
@@ -219,8 +222,8 @@ config SONYPI_COMPAT
---help---
Build the sonypi driver compatibility code into the sony-laptop driver.
-config IDEAPAD_ACPI
- tristate "Lenovo IdeaPad ACPI Laptop Extras"
+config IDEAPAD_LAPTOP
+ tristate "Lenovo IdeaPad Laptop Extras"
depends on ACPI
depends on RFKILL
help
@@ -365,6 +368,26 @@ config THINKPAD_ACPI_HOTKEY_POLL
If you are not sure, say Y here. The driver enables polling only if
it is strictly necessary to do so.
+config SENSORS_HDAPS
+ tristate "Thinkpad Hard Drive Active Protection System (hdaps)"
+ depends on INPUT && X86
+ select INPUT_POLLDEV
+ default n
+ help
+ This driver provides support for the IBM Hard Drive Active Protection
+ System (hdaps), which provides an accelerometer and other misc. data.
+ ThinkPads starting with the R50, T41, and X40 are supported. The
+ accelerometer data is readable via sysfs.
+
+ This driver also provides an absolute input class device, allowing
+ the laptop to act as a pinball machine-esque joystick.
+
+ If your ThinkPad is not recognized by the driver, please update to latest
+ BIOS. This is especially the case for some R52 ThinkPads.
+
+ Say Y here if you have an applicable laptop and want to experience
+ the awesome power of hdaps.
+
config INTEL_MENLOW
tristate "Thermal Management driver for Intel menlow platform"
depends on ACPI_THERMAL
@@ -478,6 +501,7 @@ config TOPSTAR_LAPTOP
tristate "Topstar Laptop Extras"
depends on ACPI
depends on INPUT
+ select INPUT_SPARSEKMAP
---help---
This driver adds support for hotkeys found on Topstar laptops.
@@ -492,6 +516,7 @@ config ACPI_TOSHIBA
depends on INPUT
depends on RFKILL || RFKILL = n
select INPUT_POLLDEV
+ select INPUT_SPARSEKMAP
---help---
This driver adds support for access to certain system settings
on "legacy free" Toshiba laptops. These laptops can be recognized by
@@ -590,4 +615,28 @@ config INTEL_IPS
functionality. If in doubt, say Y here; it will only load on
supported platforms.
+config IBM_RTL
+ tristate "Device driver to enable PRTL support"
+ depends on X86 && PCI
+ ---help---
+ Enable support for IBM Premium Real Time Mode (PRTM).
+ This module will allow you the enter and exit PRTM in the BIOS via
+ sysfs on platforms that support this feature. System in PRTM will
+ not receive CPU-generated SMIs for recoverable errors. Use of this
+ feature without proper support may void your hardware warranty.
+
+ If the proper BIOS support is found the driver will load and create
+ /sys/devices/system/ibm_rtl/. The "state" variable will indicate
+ whether or not the BIOS is in PRTM.
+ state = 0 (BIOS SMIs on)
+ state = 1 (BIOS SMIs off)
+
+config XO1_RFKILL
+ tristate "OLPC XO-1 software RF kill switch"
+ depends on OLPC
+ depends on RFKILL
+ ---help---
+ Support for enabling/disabling the WLAN interface on the OLPC XO-1
+ laptop.
+
endif # X86_PLATFORM_DEVICES
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 85fb2b84f57e..9950ccc940b5 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -15,8 +15,9 @@ obj-$(CONFIG_ACERHDF) += acerhdf.o
obj-$(CONFIG_HP_WMI) += hp-wmi.o
obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o
obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
-obj-$(CONFIG_IDEAPAD_ACPI) += ideapad_acpi.o
+obj-$(CONFIG_IDEAPAD_LAPTOP) += ideapad-laptop.o
obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
+obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o
obj-$(CONFIG_FUJITSU_LAPTOP) += fujitsu-laptop.o
obj-$(CONFIG_PANASONIC_LAPTOP) += panasonic-laptop.o
obj-$(CONFIG_INTEL_MENLOW) += intel_menlow.o
@@ -30,4 +31,5 @@ obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
obj-$(CONFIG_RAR_REGISTER) += intel_rar_register.o
obj-$(CONFIG_INTEL_IPS) += intel_ips.o
obj-$(CONFIG_GPIO_INTEL_PMIC) += intel_pmic_gpio.o
-
+obj-$(CONFIG_XO1_RFKILL) += xo1-rfkill.o
+obj-$(CONFIG_IBM_RTL) += ibm_rtl.o
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 2badee2fdeed..c8c65375bfe2 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1314,7 +1314,7 @@ static int __init acer_wmi_init(void)
AMW0_find_mailled();
if (!interface) {
- printk(ACER_ERR "No or unsupported WMI interface, unable to "
+ printk(ACER_INFO "No or unsupported WMI interface, unable to "
"load\n");
return -ENODEV;
}
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index b756e07d41b4..60a5a5c6b50a 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -236,7 +236,6 @@ struct asus_laptop {
u8 light_level; /* light sensor level */
u8 light_switch; /* light sensor switch value */
u16 event_count[128]; /* count for each event TODO make this better */
- u16 *keycode_map;
};
static const struct key_entry asus_keymap[] = {
@@ -278,6 +277,7 @@ static const struct key_entry asus_keymap[] = {
{KE_KEY, 0x99, { KEY_PHONE } },
{KE_KEY, 0xc4, { KEY_KBDILLUMUP } },
{KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } },
+ {KE_KEY, 0xb5, { KEY_CALC } },
{KE_END, 0},
};
@@ -639,29 +639,29 @@ static int asus_backlight_notify(struct asus_laptop *asus)
static int asus_backlight_init(struct asus_laptop *asus)
{
struct backlight_device *bd;
- struct device *dev = &asus->platform_device->dev;
struct backlight_properties props;
- if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) &&
- !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) &&
- lcd_switch_handle) {
- memset(&props, 0, sizeof(struct backlight_properties));
- props.max_brightness = 15;
-
- bd = backlight_device_register(ASUS_LAPTOP_FILE, dev,
- asus, &asusbl_ops, &props);
- if (IS_ERR(bd)) {
- pr_err("Could not register asus backlight device\n");
- asus->backlight_device = NULL;
- return PTR_ERR(bd);
- }
+ if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
+ acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) ||
+ !lcd_switch_handle)
+ return 0;
- asus->backlight_device = bd;
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 15;
- bd->props.power = FB_BLANK_UNBLANK;
- bd->props.brightness = asus_read_brightness(bd);
- backlight_update_status(bd);
+ bd = backlight_device_register(ASUS_LAPTOP_FILE,
+ &asus->platform_device->dev, asus,
+ &asusbl_ops, &props);
+ if (IS_ERR(bd)) {
+ pr_err("Could not register asus backlight device\n");
+ asus->backlight_device = NULL;
+ return PTR_ERR(bd);
}
+
+ asus->backlight_device = bd;
+ bd->props.brightness = asus_read_brightness(bd);
+ bd->props.power = FB_BLANK_UNBLANK;
+ backlight_update_status(bd);
return 0;
}
@@ -1065,9 +1065,9 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
*/
static int asus_gps_rfkill_set(void *data, bool blocked)
{
- acpi_handle handle = data;
+ struct asus_laptop *asus = data;
- return asus_gps_switch(handle, !blocked);
+ return asus_gps_switch(asus, !blocked);
}
static const struct rfkill_ops asus_gps_rfkill_ops = {
@@ -1094,7 +1094,7 @@ static int asus_rfkill_init(struct asus_laptop *asus)
asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev,
RFKILL_TYPE_GPS,
- &asus_gps_rfkill_ops, NULL);
+ &asus_gps_rfkill_ops, asus);
if (!asus->gps_rfkill)
return -EINVAL;
@@ -1130,7 +1130,6 @@ static int asus_input_init(struct asus_laptop *asus)
input->phys = ASUS_LAPTOP_FILE "/input0";
input->id.bustype = BUS_HOST;
input->dev.parent = &asus->platform_device->dev;
- input_set_drvdata(input, asus);
error = sparse_keymap_setup(input, asus_keymap, NULL);
if (error) {
@@ -1159,6 +1158,7 @@ static void asus_input_exit(struct asus_laptop *asus)
sparse_keymap_free(asus->inputdev);
input_unregister_device(asus->inputdev);
}
+ asus->inputdev = NULL;
}
/*
@@ -1200,111 +1200,100 @@ static void asus_acpi_notify(struct acpi_device *device, u32 event)
static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL);
static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan);
-static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, show_bluetooth,
- store_bluetooth);
+static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR,
+ show_bluetooth, store_bluetooth);
static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp);
static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw);
static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps);
-static void asus_sysfs_exit(struct asus_laptop *asus)
-{
- struct platform_device *device = asus->platform_device;
-
- device_remove_file(&device->dev, &dev_attr_infos);
- device_remove_file(&device->dev, &dev_attr_wlan);
- device_remove_file(&device->dev, &dev_attr_bluetooth);
- device_remove_file(&device->dev, &dev_attr_display);
- device_remove_file(&device->dev, &dev_attr_ledd);
- device_remove_file(&device->dev, &dev_attr_ls_switch);
- device_remove_file(&device->dev, &dev_attr_ls_level);
- device_remove_file(&device->dev, &dev_attr_gps);
-}
+static struct attribute *asus_attributes[] = {
+ &dev_attr_infos.attr,
+ &dev_attr_wlan.attr,
+ &dev_attr_bluetooth.attr,
+ &dev_attr_display.attr,
+ &dev_attr_ledd.attr,
+ &dev_attr_ls_level.attr,
+ &dev_attr_ls_switch.attr,
+ &dev_attr_gps.attr,
+ NULL
+};
-static int asus_sysfs_init(struct asus_laptop *asus)
+static mode_t asus_sysfs_is_visible(struct kobject *kobj,
+ struct attribute *attr,
+ int idx)
{
- struct platform_device *device = asus->platform_device;
- int err;
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct platform_device *pdev = to_platform_device(dev);
+ struct asus_laptop *asus = platform_get_drvdata(pdev);
+ acpi_handle handle = asus->handle;
+ bool supported;
- err = device_create_file(&device->dev, &dev_attr_infos);
- if (err)
- return err;
+ if (attr == &dev_attr_wlan.attr) {
+ supported = !acpi_check_handle(handle, METHOD_WLAN, NULL);
- if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL)) {
- err = device_create_file(&device->dev, &dev_attr_wlan);
- if (err)
- return err;
- }
+ } else if (attr == &dev_attr_bluetooth.attr) {
+ supported = !acpi_check_handle(handle, METHOD_BLUETOOTH, NULL);
- if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL)) {
- err = device_create_file(&device->dev, &dev_attr_bluetooth);
- if (err)
- return err;
- }
+ } else if (attr == &dev_attr_display.attr) {
+ supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
- if (!acpi_check_handle(asus->handle, METHOD_SWITCH_DISPLAY, NULL)) {
- err = device_create_file(&device->dev, &dev_attr_display);
- if (err)
- return err;
- }
+ } else if (attr == &dev_attr_ledd.attr) {
+ supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
- if (!acpi_check_handle(asus->handle, METHOD_LEDD, NULL)) {
- err = device_create_file(&device->dev, &dev_attr_ledd);
- if (err)
- return err;
- }
-
- if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
- !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
- err = device_create_file(&device->dev, &dev_attr_ls_switch);
- if (err)
- return err;
- err = device_create_file(&device->dev, &dev_attr_ls_level);
- if (err)
- return err;
- }
+ } else if (attr == &dev_attr_ls_switch.attr ||
+ attr == &dev_attr_ls_level.attr) {
+ supported = !acpi_check_handle(handle, METHOD_ALS_CONTROL, NULL) &&
+ !acpi_check_handle(handle, METHOD_ALS_LEVEL, NULL);
- 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)) {
- err = device_create_file(&device->dev, &dev_attr_gps);
- if (err)
- return err;
+ } else if (attr == &dev_attr_gps.attr) {
+ supported = !acpi_check_handle(handle, METHOD_GPS_ON, NULL) &&
+ !acpi_check_handle(handle, METHOD_GPS_OFF, NULL) &&
+ !acpi_check_handle(handle, METHOD_GPS_STATUS, NULL);
+ } else {
+ supported = true;
}
- return err;
+ return supported ? attr->mode : 0;
}
+
+static const struct attribute_group asus_attr_group = {
+ .is_visible = asus_sysfs_is_visible,
+ .attrs = asus_attributes,
+};
+
static int asus_platform_init(struct asus_laptop *asus)
{
- int err;
+ int result;
asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1);
if (!asus->platform_device)
return -ENOMEM;
platform_set_drvdata(asus->platform_device, asus);
- err = platform_device_add(asus->platform_device);
- if (err)
+ result = platform_device_add(asus->platform_device);
+ if (result)
goto fail_platform_device;
- err = asus_sysfs_init(asus);
- if (err)
+ result = sysfs_create_group(&asus->platform_device->dev.kobj,
+ &asus_attr_group);
+ if (result)
goto fail_sysfs;
+
return 0;
fail_sysfs:
- asus_sysfs_exit(asus);
platform_device_del(asus->platform_device);
fail_platform_device:
platform_device_put(asus->platform_device);
- return err;
+ return result;
}
static void asus_platform_exit(struct asus_laptop *asus)
{
- asus_sysfs_exit(asus);
+ sysfs_remove_group(&asus->platform_device->dev.kobj, &asus_attr_group);
platform_device_unregister(asus->platform_device);
}
@@ -1428,8 +1417,6 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
return AE_OK;
}
-static bool asus_device_present;
-
static int __devinit asus_acpi_init(struct asus_laptop *asus)
{
int result = 0;
@@ -1474,6 +1461,8 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
return result;
}
+static bool asus_device_present;
+
static int __devinit asus_acpi_add(struct acpi_device *device)
{
struct asus_laptop *asus;
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 4413975912e0..cf8a89a0d8f5 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -25,6 +25,8 @@
#include <linux/mm.h>
#include <linux/i8042.h>
#include <linux/slab.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include "../../firmware/dcdbas.h"
#define BRIGHTNESS_TOKEN 0x7d
@@ -325,6 +327,75 @@ static const struct rfkill_ops dell_rfkill_ops = {
.query = dell_rfkill_query,
};
+static struct dentry *dell_laptop_dir;
+
+static int dell_debugfs_show(struct seq_file *s, void *data)
+{
+ int status;
+
+ get_buffer();
+ dell_send_request(buffer, 17, 11);
+ status = buffer->output[1];
+ release_buffer();
+
+ seq_printf(s, "status:\t0x%X\n", status);
+ seq_printf(s, "Bit 0 : Hardware switch supported: %lu\n",
+ status & BIT(0));
+ seq_printf(s, "Bit 1 : Wifi locator supported: %lu\n",
+ (status & BIT(1)) >> 1);
+ seq_printf(s, "Bit 2 : Wifi is supported: %lu\n",
+ (status & BIT(2)) >> 2);
+ seq_printf(s, "Bit 3 : Bluetooth is supported: %lu\n",
+ (status & BIT(3)) >> 3);
+ seq_printf(s, "Bit 4 : WWAN is supported: %lu\n",
+ (status & BIT(4)) >> 4);
+ seq_printf(s, "Bit 5 : Wireless keyboard supported: %lu\n",
+ (status & BIT(5)) >> 5);
+ seq_printf(s, "Bit 8 : Wifi is installed: %lu\n",
+ (status & BIT(8)) >> 8);
+ seq_printf(s, "Bit 9 : Bluetooth is installed: %lu\n",
+ (status & BIT(9)) >> 9);
+ seq_printf(s, "Bit 10: WWAN is installed: %lu\n",
+ (status & BIT(10)) >> 10);
+ seq_printf(s, "Bit 16: Hardware switch is on: %lu\n",
+ (status & BIT(16)) >> 16);
+ seq_printf(s, "Bit 17: Wifi is blocked: %lu\n",
+ (status & BIT(17)) >> 17);
+ seq_printf(s, "Bit 18: Bluetooth is blocked: %lu\n",
+ (status & BIT(18)) >> 18);
+ seq_printf(s, "Bit 19: WWAN is blocked: %lu\n",
+ (status & BIT(19)) >> 19);
+
+ seq_printf(s, "\nhwswitch_state:\t0x%X\n", hwswitch_state);
+ seq_printf(s, "Bit 0 : Wifi controlled by switch: %lu\n",
+ hwswitch_state & BIT(0));
+ seq_printf(s, "Bit 1 : Bluetooth controlled by switch: %lu\n",
+ (hwswitch_state & BIT(1)) >> 1);
+ seq_printf(s, "Bit 2 : WWAN controlled by switch: %lu\n",
+ (hwswitch_state & BIT(2)) >> 2);
+ seq_printf(s, "Bit 7 : Wireless switch config locked: %lu\n",
+ (hwswitch_state & BIT(7)) >> 7);
+ seq_printf(s, "Bit 8 : Wifi locator enabled: %lu\n",
+ (hwswitch_state & BIT(8)) >> 8);
+ seq_printf(s, "Bit 15: Wifi locator setting locked: %lu\n",
+ (hwswitch_state & BIT(15)) >> 15);
+
+ return 0;
+}
+
+static int dell_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dell_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations dell_debugfs_fops = {
+ .owner = THIS_MODULE,
+ .open = dell_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static void dell_update_rfkill(struct work_struct *ignored)
{
if (wifi_rfkill)
@@ -556,6 +627,11 @@ static int __init dell_init(void)
goto fail_filter;
}
+ dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL);
+ if (dell_laptop_dir != NULL)
+ debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
+ &dell_debugfs_fops);
+
#ifdef CONFIG_ACPI
/* In the event of an ACPI backlight being available, don't
* register the platform controller.
@@ -615,6 +691,7 @@ fail_platform_driver:
static void __exit dell_exit(void)
{
+ debugfs_remove_recursive(dell_laptop_dir);
i8042_remove_filter(dell_laptop_i8042_filter);
cancel_delayed_work_sync(&dell_rfkill_work);
backlight_device_unregister(dell_backlight_device);
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 08fb70f6d9bf..77f1d55414c6 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -29,6 +29,7 @@
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#include <acpi/acpi_drivers.h>
#include <linux/acpi.h>
#include <linux/string.h>
@@ -44,78 +45,70 @@ static int acpi_video;
MODULE_ALIAS("wmi:"DELL_EVENT_GUID);
-struct key_entry {
- char type; /* See KE_* below */
- u16 code;
- u16 keycode;
-};
-
-enum { KE_KEY, KE_SW, KE_IGNORE, KE_END };
-
/*
* Certain keys are flagged as KE_IGNORE. All of these are either
* notifications (rather than requests for change) or are also sent
* via the keyboard controller so should not be sent again.
*/
-static struct key_entry dell_legacy_wmi_keymap[] = {
- {KE_KEY, 0xe045, KEY_PROG1},
- {KE_KEY, 0xe009, KEY_EJECTCD},
+static const struct key_entry dell_wmi_legacy_keymap[] __initconst = {
+ { KE_KEY, 0xe045, { KEY_PROG1 } },
+ { KE_KEY, 0xe009, { KEY_EJECTCD } },
/* These also contain the brightness level at offset 6 */
- {KE_KEY, 0xe006, KEY_BRIGHTNESSUP},
- {KE_KEY, 0xe005, KEY_BRIGHTNESSDOWN},
+ { KE_KEY, 0xe006, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0xe005, { KEY_BRIGHTNESSDOWN } },
/* Battery health status button */
- {KE_KEY, 0xe007, KEY_BATTERY},
+ { KE_KEY, 0xe007, { KEY_BATTERY } },
/* This is actually for all radios. Although physically a
* switch, the notification does not provide an indication of
* state and so it should be reported as a key */
- {KE_KEY, 0xe008, KEY_WLAN},
+ { KE_KEY, 0xe008, { KEY_WLAN } },
/* The next device is at offset 6, the active devices are at
offset 8 and the attached devices at offset 10 */
- {KE_KEY, 0xe00b, KEY_SWITCHVIDEOMODE},
+ { KE_KEY, 0xe00b, { KEY_SWITCHVIDEOMODE } },
- {KE_IGNORE, 0xe00c, KEY_KBDILLUMTOGGLE},
+ { KE_IGNORE, 0xe00c, { KEY_KBDILLUMTOGGLE } },
/* BIOS error detected */
- {KE_IGNORE, 0xe00d, KEY_RESERVED},
+ { KE_IGNORE, 0xe00d, { KEY_RESERVED } },
/* Wifi Catcher */
- {KE_KEY, 0xe011, KEY_PROG2},
+ { KE_KEY, 0xe011, {KEY_PROG2 } },
/* Ambient light sensor toggle */
- {KE_IGNORE, 0xe013, KEY_RESERVED},
-
- {KE_IGNORE, 0xe020, KEY_MUTE},
- {KE_IGNORE, 0xe02e, KEY_VOLUMEDOWN},
- {KE_IGNORE, 0xe030, KEY_VOLUMEUP},
- {KE_IGNORE, 0xe033, KEY_KBDILLUMUP},
- {KE_IGNORE, 0xe034, KEY_KBDILLUMDOWN},
- {KE_IGNORE, 0xe03a, KEY_CAPSLOCK},
- {KE_IGNORE, 0xe045, KEY_NUMLOCK},
- {KE_IGNORE, 0xe046, KEY_SCROLLLOCK},
- {KE_END, 0}
+ { KE_IGNORE, 0xe013, { KEY_RESERVED } },
+
+ { KE_IGNORE, 0xe020, { KEY_MUTE } },
+ { KE_IGNORE, 0xe02e, { KEY_VOLUMEDOWN } },
+ { KE_IGNORE, 0xe030, { KEY_VOLUMEUP } },
+ { KE_IGNORE, 0xe033, { KEY_KBDILLUMUP } },
+ { KE_IGNORE, 0xe034, { KEY_KBDILLUMDOWN } },
+ { KE_IGNORE, 0xe03a, { KEY_CAPSLOCK } },
+ { KE_IGNORE, 0xe045, { KEY_NUMLOCK } },
+ { KE_IGNORE, 0xe046, { KEY_SCROLLLOCK } },
+ { KE_END, 0 }
};
static bool dell_new_hk_type;
-struct dell_new_keymap_entry {
+struct dell_bios_keymap_entry {
u16 scancode;
u16 keycode;
};
-struct dell_hotkey_table {
+struct dell_bios_hotkey_table {
struct dmi_header header;
- struct dell_new_keymap_entry keymap[];
+ struct dell_bios_keymap_entry keymap[];
};
-static struct key_entry *dell_new_wmi_keymap;
+static const struct dell_bios_hotkey_table *dell_bios_hotkey_table;
-static u16 bios_to_linux_keycode[256] = {
+static const u16 bios_to_linux_keycode[256] __initconst = {
KEY_MEDIA, KEY_NEXTSONG, KEY_PLAYPAUSE, KEY_PREVIOUSSONG,
KEY_STOPCD, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
@@ -138,68 +131,11 @@ static u16 bios_to_linux_keycode[256] = {
KEY_PROG3
};
-
-static struct key_entry *dell_wmi_keymap = dell_legacy_wmi_keymap;
-
static struct input_dev *dell_wmi_input_dev;
-static struct key_entry *dell_wmi_get_entry_by_scancode(unsigned int code)
-{
- struct key_entry *key;
-
- for (key = dell_wmi_keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static struct key_entry *dell_wmi_get_entry_by_keycode(unsigned int keycode)
-{
- struct key_entry *key;
-
- for (key = dell_wmi_keymap; key->type != KE_END; key++)
- if (key->type == KE_KEY && keycode == key->keycode)
- return key;
-
- return NULL;
-}
-
-static int dell_wmi_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
-{
- struct key_entry *key = dell_wmi_get_entry_by_scancode(scancode);
-
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int dell_wmi_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
-{
- struct key_entry *key;
- unsigned int old_keycode;
-
- key = dell_wmi_get_entry_by_scancode(scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!dell_wmi_get_entry_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
- }
- return -EINVAL;
-}
-
static void dell_wmi_notify(u32 value, void *context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
- static struct key_entry *key;
union acpi_object *obj;
acpi_status status;
@@ -212,8 +148,10 @@ static void dell_wmi_notify(u32 value, void *context)
obj = (union acpi_object *)response.pointer;
if (obj && obj->type == ACPI_TYPE_BUFFER) {
+ const struct key_entry *key;
int reported_key;
u16 *buffer_entry = (u16 *)obj->buffer.pointer;
+
if (dell_new_hk_type && (buffer_entry[1] != 0x10)) {
printk(KERN_INFO "dell-wmi: Received unknown WMI event"
" (0x%x)\n", buffer_entry[1]);
@@ -226,8 +164,8 @@ static void dell_wmi_notify(u32 value, void *context)
else
reported_key = (int)buffer_entry[1] & 0xffff;
- key = dell_wmi_get_entry_by_scancode(reported_key);
-
+ key = sparse_keymap_entry_from_scancode(dell_wmi_input_dev,
+ reported_key);
if (!key) {
printk(KERN_INFO "dell-wmi: Unknown key %x pressed\n",
reported_key);
@@ -237,92 +175,98 @@ static void dell_wmi_notify(u32 value, void *context)
* come via ACPI */
;
} else {
- input_report_key(dell_wmi_input_dev, key->keycode, 1);
- input_sync(dell_wmi_input_dev);
- input_report_key(dell_wmi_input_dev, key->keycode, 0);
- input_sync(dell_wmi_input_dev);
+ sparse_keymap_report_entry(dell_wmi_input_dev, key,
+ 1, true);
}
}
kfree(obj);
}
-
-static void setup_new_hk_map(const struct dmi_header *dm)
+static const struct key_entry * __init dell_wmi_prepare_new_keymap(void)
{
-
+ int hotkey_num = (dell_bios_hotkey_table->header.length - 4) /
+ sizeof(struct dell_bios_keymap_entry);
+ struct key_entry *keymap;
int i;
- int hotkey_num = (dm->length-4)/sizeof(struct dell_new_keymap_entry);
- struct dell_hotkey_table *table =
- container_of(dm, struct dell_hotkey_table, header);
- dell_new_wmi_keymap = kzalloc((hotkey_num+1) *
- sizeof(struct key_entry), GFP_KERNEL);
+ keymap = kcalloc(hotkey_num + 1, sizeof(struct key_entry), GFP_KERNEL);
+ if (!keymap)
+ return NULL;
for (i = 0; i < hotkey_num; i++) {
- dell_new_wmi_keymap[i].type = KE_KEY;
- dell_new_wmi_keymap[i].code = table->keymap[i].scancode;
- dell_new_wmi_keymap[i].keycode =
- (table->keymap[i].keycode > 255) ? 0 :
- bios_to_linux_keycode[table->keymap[i].keycode];
+ const struct dell_bios_keymap_entry *bios_entry =
+ &dell_bios_hotkey_table->keymap[i];
+ keymap[i].type = KE_KEY;
+ keymap[i].code = bios_entry->scancode;
+ keymap[i].keycode = bios_entry->keycode < 256 ?
+ bios_to_linux_keycode[bios_entry->keycode] :
+ KEY_RESERVED;
}
- dell_new_wmi_keymap[i].type = KE_END;
- dell_new_wmi_keymap[i].code = 0;
- dell_new_wmi_keymap[i].keycode = 0;
-
- dell_wmi_keymap = dell_new_wmi_keymap;
+ keymap[hotkey_num].type = KE_END;
+ return keymap;
}
-
-static void find_hk_type(const struct dmi_header *dm, void *dummy)
-{
-
- if ((dm->type == 0xb2) && (dm->length > 6)) {
- dell_new_hk_type = true;
- setup_new_hk_map(dm);
- }
-
-}
-
-
static int __init dell_wmi_input_setup(void)
{
- struct key_entry *key;
int err;
dell_wmi_input_dev = input_allocate_device();
-
if (!dell_wmi_input_dev)
return -ENOMEM;
dell_wmi_input_dev->name = "Dell WMI hotkeys";
dell_wmi_input_dev->phys = "wmi/input0";
dell_wmi_input_dev->id.bustype = BUS_HOST;
- dell_wmi_input_dev->getkeycode = dell_wmi_getkeycode;
- dell_wmi_input_dev->setkeycode = dell_wmi_setkeycode;
-
- for (key = dell_wmi_keymap; key->type != KE_END; key++) {
- switch (key->type) {
- case KE_KEY:
- set_bit(EV_KEY, dell_wmi_input_dev->evbit);
- set_bit(key->keycode, dell_wmi_input_dev->keybit);
- break;
- case KE_SW:
- set_bit(EV_SW, dell_wmi_input_dev->evbit);
- set_bit(key->keycode, dell_wmi_input_dev->swbit);
- break;
+
+ if (dell_new_hk_type) {
+ const struct key_entry *keymap = dell_wmi_prepare_new_keymap();
+ if (!keymap) {
+ err = -ENOMEM;
+ goto err_free_dev;
}
- }
- err = input_register_device(dell_wmi_input_dev);
+ err = sparse_keymap_setup(dell_wmi_input_dev, keymap, NULL);
- if (err) {
- input_free_device(dell_wmi_input_dev);
- return err;
+ /*
+ * Sparse keymap library makes a copy of keymap so we
+ * don't need the original one that was allocated.
+ */
+ kfree(keymap);
+ } else {
+ err = sparse_keymap_setup(dell_wmi_input_dev,
+ dell_wmi_legacy_keymap, NULL);
}
+ if (err)
+ goto err_free_dev;
+
+ err = input_register_device(dell_wmi_input_dev);
+ if (err)
+ goto err_free_keymap;
return 0;
+
+ err_free_keymap:
+ sparse_keymap_free(dell_wmi_input_dev);
+ err_free_dev:
+ input_free_device(dell_wmi_input_dev);
+ return err;
+}
+
+static void dell_wmi_input_destroy(void)
+{
+ sparse_keymap_free(dell_wmi_input_dev);
+ input_unregister_device(dell_wmi_input_dev);
+}
+
+static void __init find_hk_type(const struct dmi_header *dm, void *dummy)
+{
+ if (dm->type == 0xb2 && dm->length > 6) {
+ dell_new_hk_type = true;
+ dell_bios_hotkey_table =
+ container_of(dm, struct dell_bios_hotkey_table, header);
+ }
}
static int __init dell_wmi_init(void)
@@ -339,18 +283,13 @@ static int __init dell_wmi_init(void)
acpi_video = acpi_video_backlight_support();
err = dell_wmi_input_setup();
- if (err) {
- if (dell_new_hk_type)
- kfree(dell_wmi_keymap);
+ if (err)
return err;
- }
status = wmi_install_notify_handler(DELL_EVENT_GUID,
dell_wmi_notify, NULL);
if (ACPI_FAILURE(status)) {
- input_unregister_device(dell_wmi_input_dev);
- if (dell_new_hk_type)
- kfree(dell_wmi_keymap);
+ dell_wmi_input_destroy();
printk(KERN_ERR
"dell-wmi: Unable to register notify handler - %d\n",
status);
@@ -359,14 +298,11 @@ static int __init dell_wmi_init(void)
return 0;
}
+module_init(dell_wmi_init);
static void __exit dell_wmi_exit(void)
{
wmi_remove_notify_handler(DELL_EVENT_GUID);
- input_unregister_device(dell_wmi_input_dev);
- if (dell_new_hk_type)
- kfree(dell_wmi_keymap);
+ dell_wmi_input_destroy();
}
-
-module_init(dell_wmi_init);
module_exit(dell_wmi_exit);
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 6b8e06206c46..b2edfdcdcb84 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -165,6 +165,7 @@ struct eeepc_laptop {
u16 event_count[128]; /* count for each event */
struct platform_device *platform_device;
+ struct acpi_device *device; /* the device we are in */
struct device *hwmon_device;
struct backlight_device *backlight_device;
@@ -1193,9 +1194,9 @@ static int eeepc_input_init(struct eeepc_laptop *eeepc)
eeepc->inputdev = input;
return 0;
- err_free_keymap:
+err_free_keymap:
sparse_keymap_free(input);
- err_free_dev:
+err_free_dev:
input_free_device(input);
return error;
}
@@ -1206,6 +1207,7 @@ static void eeepc_input_exit(struct eeepc_laptop *eeepc)
sparse_keymap_free(eeepc->inputdev);
input_unregister_device(eeepc->inputdev);
}
+ eeepc->inputdev = NULL;
}
/*
@@ -1326,16 +1328,15 @@ static void cmsg_quirks(struct eeepc_laptop *eeepc)
cmsg_quirk(eeepc, CM_ASL_TPD, "TPD");
}
-static int eeepc_acpi_init(struct eeepc_laptop *eeepc,
- struct acpi_device *device)
+static int __devinit eeepc_acpi_init(struct eeepc_laptop *eeepc)
{
unsigned int init_flags;
int result;
- result = acpi_bus_get_status(device);
+ result = acpi_bus_get_status(eeepc->device);
if (result)
return result;
- if (!device->status.present) {
+ if (!eeepc->device->status.present) {
pr_err("Hotkey device not present, aborting\n");
return -ENODEV;
}
@@ -1384,12 +1385,13 @@ static int __devinit eeepc_acpi_add(struct acpi_device *device)
strcpy(acpi_device_name(device), EEEPC_ACPI_DEVICE_NAME);
strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS);
device->driver_data = eeepc;
+ eeepc->device = device;
eeepc->hotplug_disabled = hotplug_disabled;
eeepc_dmi_check(eeepc);
- result = eeepc_acpi_init(eeepc, device);
+ result = eeepc_acpi_init(eeepc);
if (result)
goto fail_platform;
eeepc_enable_camera(eeepc);
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 9dc50fbf3d0b..462ceab93f87 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -57,6 +57,7 @@ MODULE_ALIAS("wmi:"EEEPC_WMI_MGMT_GUID);
#define EEEPC_WMI_METHODID_DEVS 0x53564544
#define EEEPC_WMI_METHODID_DSTS 0x53544344
+#define EEEPC_WMI_METHODID_CFVS 0x53564643
#define EEEPC_WMI_DEVID_BACKLIGHT 0x00050012
@@ -69,6 +70,11 @@ static const struct key_entry eeepc_wmi_keymap[] = {
{ KE_IGNORE, NOTIFY_BRNDOWN_MIN, { KEY_BRIGHTNESSDOWN } },
{ KE_IGNORE, NOTIFY_BRNUP_MIN, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */
+ { KE_KEY, 0xe1, { KEY_F14 } },
+ { KE_KEY, 0xe9, { KEY_DISPLAY_OFF } },
+ { KE_KEY, 0xe0, { KEY_PROG1 } },
+ { KE_KEY, 0x5c, { KEY_F15 } },
{ KE_END, 0},
};
@@ -292,6 +298,49 @@ static void eeepc_wmi_notify(u32 value, void *context)
kfree(obj);
}
+static int store_cpufv(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int value;
+ struct acpi_buffer input = { (acpi_size)sizeof(value), &value };
+ acpi_status status;
+
+ if (!count || sscanf(buf, "%i", &value) != 1)
+ return -EINVAL;
+ if (value < 0 || value > 2)
+ return -EINVAL;
+
+ status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID,
+ 1, EEEPC_WMI_METHODID_CFVS, &input, NULL);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+ else
+ return count;
+}
+
+static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);
+
+static void eeepc_wmi_sysfs_exit(struct platform_device *device)
+{
+ device_remove_file(&device->dev, &dev_attr_cpufv);
+}
+
+static int eeepc_wmi_sysfs_init(struct platform_device *device)
+{
+ int retval = -ENOMEM;
+
+ retval = device_create_file(&device->dev, &dev_attr_cpufv);
+ if (retval)
+ goto error_sysfs;
+
+ return 0;
+
+error_sysfs:
+ eeepc_wmi_sysfs_exit(platform_device);
+ return retval;
+}
+
static int __devinit eeepc_wmi_platform_probe(struct platform_device *device)
{
struct eeepc_wmi *eeepc;
@@ -387,8 +436,14 @@ static int __init eeepc_wmi_init(void)
goto del_dev;
}
+ err = eeepc_wmi_sysfs_init(platform_device);
+ if (err)
+ goto del_sysfs;
+
return 0;
+del_sysfs:
+ eeepc_wmi_sysfs_exit(platform_device);
del_dev:
platform_device_del(platform_device);
put_dev:
@@ -403,6 +458,7 @@ static void __exit eeepc_wmi_exit(void)
{
struct eeepc_wmi *eeepc;
+ eeepc_wmi_sysfs_exit(platform_device);
eeepc = platform_get_drvdata(platform_device);
platform_driver_unregister(&platform_driver);
platform_device_unregister(platform_device);
diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c
new file mode 100644
index 000000000000..067bf36d32f3
--- /dev/null
+++ b/drivers/platform/x86/hdaps.c
@@ -0,0 +1,637 @@
+/*
+ * hdaps.c - driver for IBM's Hard Drive Active Protection System
+ *
+ * Copyright (C) 2005 Robert Love <rml@novell.com>
+ * Copyright (C) 2005 Jesper Juhl <jesper.juhl@gmail.com>
+ *
+ * The HardDisk Active Protection System (hdaps) is present in IBM ThinkPads
+ * starting with the R40, T41, and X40. It provides a basic two-axis
+ * accelerometer and other data, such as the device's temperature.
+ *
+ * This driver is based on the document by Mark A. Smith available at
+ * http://www.almaden.ibm.com/cs/people/marksmith/tpaps.html and a lot of trial
+ * and error.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/input-polldev.h>
+#include <linux/kernel.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/dmi.h>
+#include <linux/jiffies.h>
+#include <linux/io.h>
+
+#define HDAPS_LOW_PORT 0x1600 /* first port used by hdaps */
+#define HDAPS_NR_PORTS 0x30 /* number of ports: 0x1600 - 0x162f */
+
+#define HDAPS_PORT_STATE 0x1611 /* device state */
+#define HDAPS_PORT_YPOS 0x1612 /* y-axis position */
+#define HDAPS_PORT_XPOS 0x1614 /* x-axis position */
+#define HDAPS_PORT_TEMP1 0x1616 /* device temperature, in Celsius */
+#define HDAPS_PORT_YVAR 0x1617 /* y-axis variance (what is this?) */
+#define HDAPS_PORT_XVAR 0x1619 /* x-axis variance (what is this?) */
+#define HDAPS_PORT_TEMP2 0x161b /* device temperature (again?) */
+#define HDAPS_PORT_UNKNOWN 0x161c /* what is this? */
+#define HDAPS_PORT_KMACT 0x161d /* keyboard or mouse activity */
+
+#define STATE_FRESH 0x50 /* accelerometer data is fresh */
+
+#define KEYBD_MASK 0x20 /* set if keyboard activity */
+#define MOUSE_MASK 0x40 /* set if mouse activity */
+#define KEYBD_ISSET(n) (!! (n & KEYBD_MASK)) /* keyboard used? */
+#define MOUSE_ISSET(n) (!! (n & MOUSE_MASK)) /* mouse used? */
+
+#define INIT_TIMEOUT_MSECS 4000 /* wait up to 4s for device init ... */
+#define INIT_WAIT_MSECS 200 /* ... in 200ms increments */
+
+#define HDAPS_POLL_INTERVAL 50 /* poll for input every 1/20s (50 ms)*/
+#define HDAPS_INPUT_FUZZ 4 /* input event threshold */
+#define HDAPS_INPUT_FLAT 4
+
+#define HDAPS_X_AXIS (1 << 0)
+#define HDAPS_Y_AXIS (1 << 1)
+#define HDAPS_BOTH_AXES (HDAPS_X_AXIS | HDAPS_Y_AXIS)
+
+static struct platform_device *pdev;
+static struct input_polled_dev *hdaps_idev;
+static unsigned int hdaps_invert;
+static u8 km_activity;
+static int rest_x;
+static int rest_y;
+
+static DEFINE_MUTEX(hdaps_mtx);
+
+/*
+ * __get_latch - Get the value from a given port. Callers must hold hdaps_mtx.
+ */
+static inline u8 __get_latch(u16 port)
+{
+ return inb(port) & 0xff;
+}
+
+/*
+ * __check_latch - Check a port latch for a given value. Returns zero if the
+ * port contains the given value. Callers must hold hdaps_mtx.
+ */
+static inline int __check_latch(u16 port, u8 val)
+{
+ if (__get_latch(port) == val)
+ return 0;
+ return -EINVAL;
+}
+
+/*
+ * __wait_latch - Wait up to 100us for a port latch to get a certain value,
+ * returning zero if the value is obtained. Callers must hold hdaps_mtx.
+ */
+static int __wait_latch(u16 port, u8 val)
+{
+ unsigned int i;
+
+ for (i = 0; i < 20; i++) {
+ if (!__check_latch(port, val))
+ return 0;
+ udelay(5);
+ }
+
+ return -EIO;
+}
+
+/*
+ * __device_refresh - request a refresh from the accelerometer. Does not wait
+ * for refresh to complete. Callers must hold hdaps_mtx.
+ */
+static void __device_refresh(void)
+{
+ udelay(200);
+ if (inb(0x1604) != STATE_FRESH) {
+ outb(0x11, 0x1610);
+ outb(0x01, 0x161f);
+ }
+}
+
+/*
+ * __device_refresh_sync - request a synchronous refresh from the
+ * accelerometer. We wait for the refresh to complete. Returns zero if
+ * successful and nonzero on error. Callers must hold hdaps_mtx.
+ */
+static int __device_refresh_sync(void)
+{
+ __device_refresh();
+ return __wait_latch(0x1604, STATE_FRESH);
+}
+
+/*
+ * __device_complete - indicate to the accelerometer that we are done reading
+ * data, and then initiate an async refresh. Callers must hold hdaps_mtx.
+ */
+static inline void __device_complete(void)
+{
+ inb(0x161f);
+ inb(0x1604);
+ __device_refresh();
+}
+
+/*
+ * hdaps_readb_one - reads a byte from a single I/O port, placing the value in
+ * the given pointer. Returns zero on success or a negative error on failure.
+ * Can sleep.
+ */
+static int hdaps_readb_one(unsigned int port, u8 *val)
+{
+ int ret;
+
+ mutex_lock(&hdaps_mtx);
+
+ /* do a sync refresh -- we need to be sure that we read fresh data */
+ ret = __device_refresh_sync();
+ if (ret)
+ goto out;
+
+ *val = inb(port);
+ __device_complete();
+
+out:
+ mutex_unlock(&hdaps_mtx);
+ return ret;
+}
+
+/* __hdaps_read_pair - internal lockless helper for hdaps_read_pair(). */
+static int __hdaps_read_pair(unsigned int port1, unsigned int port2,
+ int *x, int *y)
+{
+ /* do a sync refresh -- we need to be sure that we read fresh data */
+ if (__device_refresh_sync())
+ return -EIO;
+
+ *y = inw(port2);
+ *x = inw(port1);
+ km_activity = inb(HDAPS_PORT_KMACT);
+ __device_complete();
+
+ /* hdaps_invert is a bitvector to negate the axes */
+ if (hdaps_invert & HDAPS_X_AXIS)
+ *x = -*x;
+ if (hdaps_invert & HDAPS_Y_AXIS)
+ *y = -*y;
+
+ return 0;
+}
+
+/*
+ * hdaps_read_pair - reads the values from a pair of ports, placing the values
+ * in the given pointers. Returns zero on success. Can sleep.
+ */
+static int hdaps_read_pair(unsigned int port1, unsigned int port2,
+ int *val1, int *val2)
+{
+ int ret;
+
+ mutex_lock(&hdaps_mtx);
+ ret = __hdaps_read_pair(port1, port2, val1, val2);
+ mutex_unlock(&hdaps_mtx);
+
+ return ret;
+}
+
+/*
+ * hdaps_device_init - initialize the accelerometer. Returns zero on success
+ * and negative error code on failure. Can sleep.
+ */
+static int hdaps_device_init(void)
+{
+ int total, ret = -ENXIO;
+
+ mutex_lock(&hdaps_mtx);
+
+ outb(0x13, 0x1610);
+ outb(0x01, 0x161f);
+ if (__wait_latch(0x161f, 0x00))
+ goto out;
+
+ /*
+ * Most ThinkPads return 0x01.
+ *
+ * Others--namely the R50p, T41p, and T42p--return 0x03. These laptops
+ * have "inverted" axises.
+ *
+ * The 0x02 value occurs when the chip has been previously initialized.
+ */
+ if (__check_latch(0x1611, 0x03) &&
+ __check_latch(0x1611, 0x02) &&
+ __check_latch(0x1611, 0x01))
+ goto out;
+
+ printk(KERN_DEBUG "hdaps: initial latch check good (0x%02x).\n",
+ __get_latch(0x1611));
+
+ outb(0x17, 0x1610);
+ outb(0x81, 0x1611);
+ outb(0x01, 0x161f);
+ if (__wait_latch(0x161f, 0x00))
+ goto out;
+ if (__wait_latch(0x1611, 0x00))
+ goto out;
+ if (__wait_latch(0x1612, 0x60))
+ goto out;
+ if (__wait_latch(0x1613, 0x00))
+ goto out;
+ outb(0x14, 0x1610);
+ outb(0x01, 0x1611);
+ outb(0x01, 0x161f);
+ if (__wait_latch(0x161f, 0x00))
+ goto out;
+ outb(0x10, 0x1610);
+ outb(0xc8, 0x1611);
+ outb(0x00, 0x1612);
+ outb(0x02, 0x1613);
+ outb(0x01, 0x161f);
+ if (__wait_latch(0x161f, 0x00))
+ goto out;
+ if (__device_refresh_sync())
+ goto out;
+ if (__wait_latch(0x1611, 0x00))
+ goto out;
+
+ /* we have done our dance, now let's wait for the applause */
+ for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) {
+ int x, y;
+
+ /* a read of the device helps push it into action */
+ __hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y);
+ if (!__wait_latch(0x1611, 0x02)) {
+ ret = 0;
+ break;
+ }
+
+ msleep(INIT_WAIT_MSECS);
+ }
+
+out:
+ mutex_unlock(&hdaps_mtx);
+ return ret;
+}
+
+
+/* Device model stuff */
+
+static int hdaps_probe(struct platform_device *dev)
+{
+ int ret;
+
+ ret = hdaps_device_init();
+ if (ret)
+ return ret;
+
+ printk(KERN_INFO "hdaps: device successfully initialized.\n");
+ return 0;
+}
+
+static int hdaps_resume(struct platform_device *dev)
+{
+ return hdaps_device_init();
+}
+
+static struct platform_driver hdaps_driver = {
+ .probe = hdaps_probe,
+ .resume = hdaps_resume,
+ .driver = {
+ .name = "hdaps",
+ .owner = THIS_MODULE,
+ },
+};
+
+/*
+ * hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_mtx.
+ */
+static void hdaps_calibrate(void)
+{
+ __hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &rest_x, &rest_y);
+}
+
+static void hdaps_mousedev_poll(struct input_polled_dev *dev)
+{
+ struct input_dev *input_dev = dev->input;
+ int x, y;
+
+ mutex_lock(&hdaps_mtx);
+
+ if (__hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y))
+ goto out;
+
+ input_report_abs(input_dev, ABS_X, x - rest_x);
+ input_report_abs(input_dev, ABS_Y, y - rest_y);
+ input_sync(input_dev);
+
+out:
+ mutex_unlock(&hdaps_mtx);
+}
+
+
+/* Sysfs Files */
+
+static ssize_t hdaps_position_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int ret, x, y;
+
+ ret = hdaps_read_pair(HDAPS_PORT_XPOS, HDAPS_PORT_YPOS, &x, &y);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "(%d,%d)\n", x, y);
+}
+
+static ssize_t hdaps_variance_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int ret, x, y;
+
+ ret = hdaps_read_pair(HDAPS_PORT_XVAR, HDAPS_PORT_YVAR, &x, &y);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "(%d,%d)\n", x, y);
+}
+
+static ssize_t hdaps_temp1_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ u8 temp;
+ int ret;
+
+ ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%u\n", temp);
+}
+
+static ssize_t hdaps_temp2_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ u8 temp;
+ int ret;
+
+ ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%u\n", temp);
+}
+
+static ssize_t hdaps_keyboard_activity_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%u\n", KEYBD_ISSET(km_activity));
+}
+
+static ssize_t hdaps_mouse_activity_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%u\n", MOUSE_ISSET(km_activity));
+}
+
+static ssize_t hdaps_calibrate_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "(%d,%d)\n", rest_x, rest_y);
+}
+
+static ssize_t hdaps_calibrate_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ mutex_lock(&hdaps_mtx);
+ hdaps_calibrate();
+ mutex_unlock(&hdaps_mtx);
+
+ return count;
+}
+
+static ssize_t hdaps_invert_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%u\n", hdaps_invert);
+}
+
+static ssize_t hdaps_invert_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int invert;
+
+ if (sscanf(buf, "%d", &invert) != 1 ||
+ invert < 0 || invert > HDAPS_BOTH_AXES)
+ return -EINVAL;
+
+ hdaps_invert = invert;
+ hdaps_calibrate();
+
+ return count;
+}
+
+static DEVICE_ATTR(position, 0444, hdaps_position_show, NULL);
+static DEVICE_ATTR(variance, 0444, hdaps_variance_show, NULL);
+static DEVICE_ATTR(temp1, 0444, hdaps_temp1_show, NULL);
+static DEVICE_ATTR(temp2, 0444, hdaps_temp2_show, NULL);
+static DEVICE_ATTR(keyboard_activity, 0444, hdaps_keyboard_activity_show, NULL);
+static DEVICE_ATTR(mouse_activity, 0444, hdaps_mouse_activity_show, NULL);
+static DEVICE_ATTR(calibrate, 0644, hdaps_calibrate_show,hdaps_calibrate_store);
+static DEVICE_ATTR(invert, 0644, hdaps_invert_show, hdaps_invert_store);
+
+static struct attribute *hdaps_attributes[] = {
+ &dev_attr_position.attr,
+ &dev_attr_variance.attr,
+ &dev_attr_temp1.attr,
+ &dev_attr_temp2.attr,
+ &dev_attr_keyboard_activity.attr,
+ &dev_attr_mouse_activity.attr,
+ &dev_attr_calibrate.attr,
+ &dev_attr_invert.attr,
+ NULL,
+};
+
+static struct attribute_group hdaps_attribute_group = {
+ .attrs = hdaps_attributes,
+};
+
+
+/* Module stuff */
+
+/* hdaps_dmi_match - found a match. return one, short-circuiting the hunt. */
+static int __init hdaps_dmi_match(const struct dmi_system_id *id)
+{
+ printk(KERN_INFO "hdaps: %s detected.\n", id->ident);
+ return 1;
+}
+
+/* hdaps_dmi_match_invert - found an inverted match. */
+static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id)
+{
+ hdaps_invert = (unsigned long)id->driver_data;
+ printk(KERN_INFO "hdaps: inverting axis (%u) readings.\n",
+ hdaps_invert);
+ return hdaps_dmi_match(id);
+}
+
+#define HDAPS_DMI_MATCH_INVERT(vendor, model, axes) { \
+ .ident = vendor " " model, \
+ .callback = hdaps_dmi_match_invert, \
+ .driver_data = (void *)axes, \
+ .matches = { \
+ DMI_MATCH(DMI_BOARD_VENDOR, vendor), \
+ DMI_MATCH(DMI_PRODUCT_VERSION, model) \
+ } \
+}
+
+#define HDAPS_DMI_MATCH_NORMAL(vendor, model) \
+ HDAPS_DMI_MATCH_INVERT(vendor, model, 0)
+
+/* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match
+ "ThinkPad T42p", so the order of the entries matters.
+ If your ThinkPad is not recognized, please update to latest
+ BIOS. This is especially the case for some R52 ThinkPads. */
+static struct dmi_system_id __initdata hdaps_whitelist[] = {
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"),
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T42"),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T400", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X40"),
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad X41", HDAPS_Y_AXIS),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad Z60m"),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p", HDAPS_BOTH_AXES),
+ { .ident = NULL }
+};
+
+static int __init hdaps_init(void)
+{
+ struct input_dev *idev;
+ int ret;
+
+ if (!dmi_check_system(hdaps_whitelist)) {
+ printk(KERN_WARNING "hdaps: supported laptop not found!\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+ if (!request_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS, "hdaps")) {
+ ret = -ENXIO;
+ goto out;
+ }
+
+ ret = platform_driver_register(&hdaps_driver);
+ if (ret)
+ goto out_region;
+
+ pdev = platform_device_register_simple("hdaps", -1, NULL, 0);
+ if (IS_ERR(pdev)) {
+ ret = PTR_ERR(pdev);
+ goto out_driver;
+ }
+
+ ret = sysfs_create_group(&pdev->dev.kobj, &hdaps_attribute_group);
+ if (ret)
+ goto out_device;
+
+ hdaps_idev = input_allocate_polled_device();
+ if (!hdaps_idev) {
+ ret = -ENOMEM;
+ goto out_group;
+ }
+
+ hdaps_idev->poll = hdaps_mousedev_poll;
+ hdaps_idev->poll_interval = HDAPS_POLL_INTERVAL;
+
+ /* initial calibrate for the input device */
+ hdaps_calibrate();
+
+ /* initialize the input class */
+ idev = hdaps_idev->input;
+ idev->name = "hdaps";
+ idev->phys = "isa1600/input0";
+ idev->id.bustype = BUS_ISA;
+ idev->dev.parent = &pdev->dev;
+ idev->evbit[0] = BIT_MASK(EV_ABS);
+ input_set_abs_params(idev, ABS_X,
+ -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
+ input_set_abs_params(idev, ABS_Y,
+ -256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
+
+ ret = input_register_polled_device(hdaps_idev);
+ if (ret)
+ goto out_idev;
+
+ printk(KERN_INFO "hdaps: driver successfully loaded.\n");
+ return 0;
+
+out_idev:
+ input_free_polled_device(hdaps_idev);
+out_group:
+ sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
+out_device:
+ platform_device_unregister(pdev);
+out_driver:
+ platform_driver_unregister(&hdaps_driver);
+out_region:
+ release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS);
+out:
+ printk(KERN_WARNING "hdaps: driver init failed (ret=%d)!\n", ret);
+ return ret;
+}
+
+static void __exit hdaps_exit(void)
+{
+ input_unregister_polled_device(hdaps_idev);
+ input_free_polled_device(hdaps_idev);
+ sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
+ platform_device_unregister(pdev);
+ platform_driver_unregister(&hdaps_driver);
+ release_region(HDAPS_LOW_PORT, HDAPS_NR_PORTS);
+
+ printk(KERN_INFO "hdaps: driver unloaded.\n");
+}
+
+module_init(hdaps_init);
+module_exit(hdaps_exit);
+
+module_param_named(invert, hdaps_invert, int, 0);
+MODULE_PARM_DESC(invert, "invert data along each axis. 1 invert x-axis, "
+ "2 invert y-axis, 3 invert both axes.");
+
+MODULE_AUTHOR("Robert Love");
+MODULE_DESCRIPTION("IBM Hard Drive Active Protection System (HDAPS) driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index c1741142a4cb..1dac659b5e0c 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -29,6 +29,7 @@
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/rfkill.h>
@@ -88,24 +89,16 @@ struct bios_return {
u32 value;
};
-struct key_entry {
- char type; /* See KE_* below */
- u16 code;
- u16 keycode;
-};
-
-enum { KE_KEY, KE_END };
-
-static struct key_entry hp_wmi_keymap[] = {
- {KE_KEY, 0x02, KEY_BRIGHTNESSUP},
- {KE_KEY, 0x03, KEY_BRIGHTNESSDOWN},
- {KE_KEY, 0x20e6, KEY_PROG1},
- {KE_KEY, 0x20e8, KEY_MEDIA},
- {KE_KEY, 0x2142, KEY_MEDIA},
- {KE_KEY, 0x213b, KEY_INFO},
- {KE_KEY, 0x2169, KEY_DIRECTION},
- {KE_KEY, 0x231b, KEY_HELP},
- {KE_END, 0}
+static const struct key_entry hp_wmi_keymap[] = {
+ { KE_KEY, 0x02, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 0x20e6, { KEY_PROG1 } },
+ { KE_KEY, 0x20e8, { KEY_MEDIA } },
+ { KE_KEY, 0x2142, { KEY_MEDIA } },
+ { KE_KEY, 0x213b, { KEY_INFO } },
+ { KE_KEY, 0x2169, { KEY_DIRECTION } },
+ { KE_KEY, 0x231b, { KEY_HELP } },
+ { KE_END, 0 }
};
static struct input_dev *hp_wmi_input_dev;
@@ -347,64 +340,9 @@ static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als);
static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL);
static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL);
-static struct key_entry *hp_wmi_get_entry_by_scancode(unsigned int code)
-{
- struct key_entry *key;
-
- for (key = hp_wmi_keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static struct key_entry *hp_wmi_get_entry_by_keycode(unsigned int keycode)
-{
- struct key_entry *key;
-
- for (key = hp_wmi_keymap; key->type != KE_END; key++)
- if (key->type == KE_KEY && keycode == key->keycode)
- return key;
-
- return NULL;
-}
-
-static int hp_wmi_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
-{
- struct key_entry *key = hp_wmi_get_entry_by_scancode(scancode);
-
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int hp_wmi_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
-{
- struct key_entry *key;
- unsigned int old_keycode;
-
- key = hp_wmi_get_entry_by_scancode(scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!hp_wmi_get_entry_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
- }
-
- return -EINVAL;
-}
-
static void hp_wmi_notify(u32 value, void *context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
- static struct key_entry *key;
union acpi_object *obj;
u32 event_id, event_data;
int key_code = 0, ret;
@@ -465,19 +403,9 @@ static void hp_wmi_notify(u32 value, void *context)
sizeof(key_code));
if (ret)
break;
- key = hp_wmi_get_entry_by_scancode(key_code);
- if (key) {
- switch (key->type) {
- case KE_KEY:
- input_report_key(hp_wmi_input_dev,
- key->keycode, 1);
- input_sync(hp_wmi_input_dev);
- input_report_key(hp_wmi_input_dev,
- key->keycode, 0);
- input_sync(hp_wmi_input_dev);
- break;
- }
- } else
+
+ if (!sparse_keymap_report_event(hp_wmi_input_dev,
+ key_code, 1, true))
printk(KERN_INFO PREFIX "Unknown key code - 0x%x\n",
key_code);
break;
@@ -510,7 +438,7 @@ static void hp_wmi_notify(u32 value, void *context)
static int __init hp_wmi_input_setup(void)
{
- struct key_entry *key;
+ acpi_status status;
int err;
hp_wmi_input_dev = input_allocate_device();
@@ -520,21 +448,14 @@ static int __init hp_wmi_input_setup(void)
hp_wmi_input_dev->name = "HP WMI hotkeys";
hp_wmi_input_dev->phys = "wmi/input0";
hp_wmi_input_dev->id.bustype = BUS_HOST;
- hp_wmi_input_dev->getkeycode = hp_wmi_getkeycode;
- hp_wmi_input_dev->setkeycode = hp_wmi_setkeycode;
-
- for (key = hp_wmi_keymap; key->type != KE_END; key++) {
- switch (key->type) {
- case KE_KEY:
- set_bit(EV_KEY, hp_wmi_input_dev->evbit);
- set_bit(key->keycode, hp_wmi_input_dev->keybit);
- break;
- }
- }
- set_bit(EV_SW, hp_wmi_input_dev->evbit);
- set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
- set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
+ __set_bit(EV_SW, hp_wmi_input_dev->evbit);
+ __set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
+ __set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
+
+ err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL);
+ if (err)
+ goto err_free_dev;
/* Set initial hardware state */
input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state());
@@ -542,14 +463,32 @@ static int __init hp_wmi_input_setup(void)
hp_wmi_tablet_state());
input_sync(hp_wmi_input_dev);
- err = input_register_device(hp_wmi_input_dev);
-
- if (err) {
- input_free_device(hp_wmi_input_dev);
- return err;
+ status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
+ if (ACPI_FAILURE(status)) {
+ err = -EIO;
+ goto err_free_keymap;
}
+ err = input_register_device(hp_wmi_input_dev);
+ if (err)
+ goto err_uninstall_notifier;
+
return 0;
+
+ err_uninstall_notifier:
+ wmi_remove_notify_handler(HPWMI_EVENT_GUID);
+ err_free_keymap:
+ sparse_keymap_free(hp_wmi_input_dev);
+ err_free_dev:
+ input_free_device(hp_wmi_input_dev);
+ return err;
+}
+
+static void hp_wmi_input_destroy(void)
+{
+ wmi_remove_notify_handler(HPWMI_EVENT_GUID);
+ sparse_keymap_free(hp_wmi_input_dev);
+ input_unregister_device(hp_wmi_input_dev);
}
static void cleanup_sysfs(struct platform_device *device)
@@ -704,15 +643,9 @@ static int __init hp_wmi_init(void)
int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID);
if (event_capable) {
- err = wmi_install_notify_handler(HPWMI_EVENT_GUID,
- hp_wmi_notify, NULL);
- if (ACPI_FAILURE(err))
- return -EINVAL;
err = hp_wmi_input_setup();
- if (err) {
- wmi_remove_notify_handler(HPWMI_EVENT_GUID);
+ if (err)
return err;
- }
}
if (bios_capable) {
@@ -739,20 +672,17 @@ err_device_add:
err_device_alloc:
platform_driver_unregister(&hp_wmi_driver);
err_driver_reg:
- if (wmi_has_guid(HPWMI_EVENT_GUID)) {
- input_unregister_device(hp_wmi_input_dev);
- wmi_remove_notify_handler(HPWMI_EVENT_GUID);
- }
+ if (event_capable)
+ hp_wmi_input_destroy();
return err;
}
static void __exit hp_wmi_exit(void)
{
- if (wmi_has_guid(HPWMI_EVENT_GUID)) {
- wmi_remove_notify_handler(HPWMI_EVENT_GUID);
- input_unregister_device(hp_wmi_input_dev);
- }
+ if (wmi_has_guid(HPWMI_EVENT_GUID))
+ hp_wmi_input_destroy();
+
if (hp_wmi_platform_dev) {
platform_device_unregister(hp_wmi_platform_dev);
platform_driver_unregister(&hp_wmi_driver);
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
new file mode 100644
index 000000000000..3c2c6b91ecb3
--- /dev/null
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -0,0 +1,341 @@
+/*
+ * IBM Real-Time Linux driver
+ *
+ * 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.
+ *
+ * Copyright (C) IBM Corporation, 2010
+ *
+ * Author: Keith Mannthey <kmannth@us.ibm.com>
+ * Vernon Mauery <vernux@us.ibm.com>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/dmi.h>
+#include <linux/mutex.h>
+#include <asm/bios_ebda.h>
+
+static bool force;
+module_param(force, bool, 0);
+MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
+
+static bool debug;
+module_param(debug, bool, 0644);
+MODULE_PARM_DESC(debug, "Show debug output");
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Keith Mannthey <kmmanth@us.ibm.com>");
+MODULE_AUTHOR("Vernon Mauery <vernux@us.ibm.com>");
+
+#define RTL_ADDR_TYPE_IO 1
+#define RTL_ADDR_TYPE_MMIO 2
+
+#define RTL_CMD_ENTER_PRTM 1
+#define RTL_CMD_EXIT_PRTM 2
+
+/* The RTL table as presented by the EBDA: */
+struct ibm_rtl_table {
+ char signature[5]; /* signature should be "_RTL_" */
+ u8 version;
+ u8 rt_status;
+ u8 command;
+ u8 command_status;
+ u8 cmd_address_type;
+ u8 cmd_granularity;
+ u8 cmd_offset;
+ u16 reserve1;
+ u32 cmd_port_address; /* platform dependent address */
+ u32 cmd_port_value; /* platform dependent value */
+} __attribute__((packed));
+
+/* to locate "_RTL_" signature do a masked 5-byte integer compare */
+#define RTL_SIGNATURE 0x0000005f4c54525fULL
+#define RTL_MASK 0x000000ffffffffffULL
+
+#define RTL_DEBUG(A, ...) do { \
+ if (debug) \
+ pr_info("ibm-rtl: " A, ##__VA_ARGS__ ); \
+} while (0)
+
+static DEFINE_MUTEX(rtl_lock);
+static struct ibm_rtl_table __iomem *rtl_table;
+static void __iomem *ebda_map;
+static void __iomem *rtl_cmd_addr;
+static u8 rtl_cmd_type;
+static u8 rtl_cmd_width;
+
+static void __iomem *rtl_port_map(phys_addr_t addr, unsigned long len)
+{
+ if (rtl_cmd_type == RTL_ADDR_TYPE_MMIO)
+ return ioremap(addr, len);
+ return ioport_map(addr, len);
+}
+
+static void rtl_port_unmap(void __iomem *addr)
+{
+ if (addr && rtl_cmd_type == RTL_ADDR_TYPE_MMIO)
+ iounmap(addr);
+ else
+ ioport_unmap(addr);
+}
+
+static int ibm_rtl_write(u8 value)
+{
+ int ret = 0, count = 0;
+ static u32 cmd_port_val;
+
+ RTL_DEBUG("%s(%d)\n", __FUNCTION__, value);
+
+ value = value == 1 ? RTL_CMD_ENTER_PRTM : RTL_CMD_EXIT_PRTM;
+
+ mutex_lock(&rtl_lock);
+
+ if (ioread8(&rtl_table->rt_status) != value) {
+ iowrite8(value, &rtl_table->command);
+
+ switch (rtl_cmd_width) {
+ case 8:
+ cmd_port_val = ioread8(&rtl_table->cmd_port_value);
+ RTL_DEBUG("cmd_port_val = %u\n", cmd_port_val);
+ iowrite8((u8)cmd_port_val, rtl_cmd_addr);
+ break;
+ case 16:
+ cmd_port_val = ioread16(&rtl_table->cmd_port_value);
+ RTL_DEBUG("cmd_port_val = %u\n", cmd_port_val);
+ iowrite16((u16)cmd_port_val, rtl_cmd_addr);
+ break;
+ case 32:
+ cmd_port_val = ioread32(&rtl_table->cmd_port_value);
+ RTL_DEBUG("cmd_port_val = %u\n", cmd_port_val);
+ iowrite32(cmd_port_val, rtl_cmd_addr);
+ break;
+ }
+
+ while (ioread8(&rtl_table->command)) {
+ msleep(10);
+ if (count++ > 500) {
+ pr_err("ibm-rtl: Hardware not responding to "
+ "mode switch request\n");
+ ret = -EIO;
+ break;
+ }
+
+ }
+
+ if (ioread8(&rtl_table->command_status)) {
+ RTL_DEBUG("command_status reports failed command\n");
+ ret = -EIO;
+ }
+ }
+
+ mutex_unlock(&rtl_lock);
+ return ret;
+}
+
+static ssize_t rtl_show_version(struct sysdev_class * dev,
+ struct sysdev_class_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%d\n", (int)ioread8(&rtl_table->version));
+}
+
+static ssize_t rtl_show_state(struct sysdev_class *dev,
+ struct sysdev_class_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%d\n", ioread8(&rtl_table->rt_status));
+}
+
+static ssize_t rtl_set_state(struct sysdev_class *dev,
+ struct sysdev_class_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ ssize_t ret;
+
+ if (count < 1 || count > 2)
+ return -EINVAL;
+
+ switch (buf[0]) {
+ case '0':
+ ret = ibm_rtl_write(0);
+ break;
+ case '1':
+ ret = ibm_rtl_write(1);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ if (ret >= 0)
+ ret = count;
+
+ return ret;
+}
+
+static struct sysdev_class class_rtl = {
+ .name = "ibm_rtl",
+};
+
+static SYSDEV_CLASS_ATTR(version, S_IRUGO, rtl_show_version, NULL);
+static SYSDEV_CLASS_ATTR(state, 0600, rtl_show_state, rtl_set_state);
+
+static struct sysdev_class_attribute *rtl_attributes[] = {
+ &attr_version,
+ &attr_state,
+ NULL
+};
+
+
+static int rtl_setup_sysfs(void) {
+ int ret, i;
+ ret = sysdev_class_register(&class_rtl);
+
+ if (!ret) {
+ for (i = 0; rtl_attributes[i]; i ++)
+ sysdev_class_create_file(&class_rtl, rtl_attributes[i]);
+ }
+ return ret;
+}
+
+static void rtl_teardown_sysfs(void) {
+ int i;
+ for (i = 0; rtl_attributes[i]; i ++)
+ sysdev_class_remove_file(&class_rtl, rtl_attributes[i]);
+ sysdev_class_unregister(&class_rtl);
+}
+
+static int dmi_check_cb(const struct dmi_system_id *id)
+{
+ RTL_DEBUG("found IBM server '%s'\n", id->ident);
+ return 0;
+}
+
+#define ibm_dmi_entry(NAME, TYPE) \
+{ \
+ .ident = NAME, \
+ .matches = { \
+ DMI_MATCH(DMI_SYS_VENDOR, "IBM"), \
+ DMI_MATCH(DMI_PRODUCT_NAME, TYPE), \
+ }, \
+ .callback = dmi_check_cb \
+}
+
+static struct dmi_system_id __initdata ibm_rtl_dmi_table[] = {
+ ibm_dmi_entry("BladeCenter LS21", "7971"),
+ ibm_dmi_entry("BladeCenter LS22", "7901"),
+ ibm_dmi_entry("BladeCenter HS21 XM", "7995"),
+ ibm_dmi_entry("BladeCenter HS22", "7870"),
+ ibm_dmi_entry("BladeCenter HS22V", "7871"),
+ ibm_dmi_entry("System x3550 M2", "7946"),
+ ibm_dmi_entry("System x3650 M2", "7947"),
+ ibm_dmi_entry("System x3550 M3", "7944"),
+ ibm_dmi_entry("System x3650 M3", "7945"),
+ { }
+};
+
+static int __init ibm_rtl_init(void) {
+ unsigned long ebda_addr, ebda_size;
+ unsigned int ebda_kb;
+ int ret = -ENODEV, i;
+
+ if (force)
+ pr_warning("ibm-rtl: module loaded by force\n");
+ /* first ensure that we are running on IBM HW */
+ else if (!dmi_check_system(ibm_rtl_dmi_table))
+ return -ENODEV;
+
+ /* Get the address for the Extended BIOS Data Area */
+ ebda_addr = get_bios_ebda();
+ if (!ebda_addr) {
+ RTL_DEBUG("no BIOS EBDA found\n");
+ return -ENODEV;
+ }
+
+ ebda_map = ioremap(ebda_addr, 4);
+ if (!ebda_map)
+ return -ENOMEM;
+
+ /* First word in the EDBA is the Size in KB */
+ ebda_kb = ioread16(ebda_map);
+ RTL_DEBUG("EBDA is %d kB\n", ebda_kb);
+
+ if (ebda_kb == 0)
+ goto out;
+
+ iounmap(ebda_map);
+ ebda_size = ebda_kb*1024;
+
+ /* Remap the whole table */
+ ebda_map = ioremap(ebda_addr, ebda_size);
+ if (!ebda_map)
+ return -ENOMEM;
+
+ /* search for the _RTL_ signature at the start of the table */
+ for (i = 0 ; i < ebda_size/sizeof(unsigned int); i++) {
+ struct ibm_rtl_table __iomem * tmp;
+ tmp = (struct ibm_rtl_table __iomem *) (ebda_map+i);
+ if ((readq(&tmp->signature) & RTL_MASK) == RTL_SIGNATURE) {
+ phys_addr_t addr;
+ unsigned int plen;
+ RTL_DEBUG("found RTL_SIGNATURE at %#llx\n", (u64)tmp);
+ rtl_table = tmp;
+ /* The address, value, width and offset are platform
+ * dependent and found in the ibm_rtl_table */
+ rtl_cmd_width = ioread8(&rtl_table->cmd_granularity);
+ rtl_cmd_type = ioread8(&rtl_table->cmd_address_type);
+ RTL_DEBUG("rtl_cmd_width = %u, rtl_cmd_type = %u\n",
+ rtl_cmd_width, rtl_cmd_type);
+ addr = ioread32(&rtl_table->cmd_port_address);
+ RTL_DEBUG("addr = %#llx\n", addr);
+ plen = rtl_cmd_width/sizeof(char);
+ rtl_cmd_addr = rtl_port_map(addr, plen);
+ RTL_DEBUG("rtl_cmd_addr = %#llx\n", (u64)rtl_cmd_addr);
+ if (!rtl_cmd_addr) {
+ ret = -ENOMEM;
+ break;
+ }
+ ret = rtl_setup_sysfs();
+ break;
+ }
+ }
+
+out:
+ if (ret) {
+ iounmap(ebda_map);
+ rtl_port_unmap(rtl_cmd_addr);
+ }
+
+ return ret;
+}
+
+static void __exit ibm_rtl_exit(void)
+{
+ if (rtl_table) {
+ RTL_DEBUG("cleaning up");
+ /* do not leave the machine in SMI-free mode */
+ ibm_rtl_write(0);
+ /* unmap, unlink and remove all traces */
+ rtl_teardown_sysfs();
+ iounmap(ebda_map);
+ rtl_port_unmap(rtl_cmd_addr);
+ }
+}
+
+module_init(ibm_rtl_init);
+module_exit(ibm_rtl_exit);
diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad-laptop.c
index 798496353e8c..5ff12205aa6b 100644
--- a/drivers/platform/x86/ideapad_acpi.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -35,112 +35,162 @@
#define IDEAPAD_DEV_KILLSW 4
struct ideapad_private {
+ acpi_handle handle;
struct rfkill *rfk[5];
-};
+} *ideapad_priv;
static struct {
char *name;
+ int cfgbit;
+ int opcode;
int type;
} ideapad_rfk_data[] = {
- /* camera has no rfkill */
- { "ideapad_wlan", RFKILL_TYPE_WLAN },
- { "ideapad_bluetooth", RFKILL_TYPE_BLUETOOTH },
- { "ideapad_3g", RFKILL_TYPE_WWAN },
- { "ideapad_killsw", RFKILL_TYPE_WLAN }
+ { "ideapad_camera", 19, 0x1E, NUM_RFKILL_TYPES },
+ { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN },
+ { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH },
+ { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN },
+ { "ideapad_killsw", 0, 0, RFKILL_TYPE_WLAN }
};
-static int ideapad_dev_exists(int device)
-{
- acpi_status status;
- union acpi_object in_param;
- struct acpi_object_list input = { 1, &in_param };
- struct acpi_buffer output;
- union acpi_object out_obj;
+static bool no_bt_rfkill;
+module_param(no_bt_rfkill, bool, 0444);
+MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
- output.length = sizeof(out_obj);
- output.pointer = &out_obj;
+/*
+ * ACPI Helpers
+ */
+#define IDEAPAD_EC_TIMEOUT (100) /* in ms */
- in_param.type = ACPI_TYPE_INTEGER;
- in_param.integer.value = device + 1;
+static int read_method_int(acpi_handle handle, const char *method, int *val)
+{
+ acpi_status status;
+ unsigned long long result;
- status = acpi_evaluate_object(NULL, "\\_SB_.DECN", &input, &output);
+ status = acpi_evaluate_integer(handle, (char *)method, NULL, &result);
if (ACPI_FAILURE(status)) {
- printk(KERN_WARNING "IdeaPAD \\_SB_.DECN method failed %d. Is this an IdeaPAD?\n", status);
- return -ENODEV;
- }
- if (out_obj.type != ACPI_TYPE_INTEGER) {
- printk(KERN_WARNING "IdeaPAD \\_SB_.DECN method returned unexpected type\n");
- return -ENODEV;
+ *val = -1;
+ return -1;
+ } else {
+ *val = result;
+ return 0;
}
- return out_obj.integer.value;
}
-static int ideapad_dev_get_state(int device)
+static int method_vpcr(acpi_handle handle, int cmd, int *ret)
{
acpi_status status;
- union acpi_object in_param;
- struct acpi_object_list input = { 1, &in_param };
- struct acpi_buffer output;
- union acpi_object out_obj;
+ unsigned long long result;
+ struct acpi_object_list params;
+ union acpi_object in_obj;
- output.length = sizeof(out_obj);
- output.pointer = &out_obj;
+ params.count = 1;
+ params.pointer = &in_obj;
+ in_obj.type = ACPI_TYPE_INTEGER;
+ in_obj.integer.value = cmd;
- in_param.type = ACPI_TYPE_INTEGER;
- in_param.integer.value = device + 1;
+ status = acpi_evaluate_integer(handle, "VPCR", &params, &result);
- status = acpi_evaluate_object(NULL, "\\_SB_.GECN", &input, &output);
if (ACPI_FAILURE(status)) {
- printk(KERN_WARNING "IdeaPAD \\_SB_.GECN method failed %d\n", status);
- return -ENODEV;
- }
- if (out_obj.type != ACPI_TYPE_INTEGER) {
- printk(KERN_WARNING "IdeaPAD \\_SB_.GECN method returned unexpected type\n");
- return -ENODEV;
+ *ret = -1;
+ return -1;
+ } else {
+ *ret = result;
+ return 0;
}
- return out_obj.integer.value;
}
-static int ideapad_dev_set_state(int device, int state)
+static int method_vpcw(acpi_handle handle, int cmd, int data)
{
+ struct acpi_object_list params;
+ union acpi_object in_obj[2];
acpi_status status;
- union acpi_object in_params[2];
- struct acpi_object_list input = { 2, in_params };
- in_params[0].type = ACPI_TYPE_INTEGER;
- in_params[0].integer.value = device + 1;
- in_params[1].type = ACPI_TYPE_INTEGER;
- in_params[1].integer.value = state;
+ params.count = 2;
+ params.pointer = in_obj;
+ in_obj[0].type = ACPI_TYPE_INTEGER;
+ in_obj[0].integer.value = cmd;
+ in_obj[1].type = ACPI_TYPE_INTEGER;
+ in_obj[1].integer.value = data;
- status = acpi_evaluate_object(NULL, "\\_SB_.SECN", &input, NULL);
- if (ACPI_FAILURE(status)) {
- printk(KERN_WARNING "IdeaPAD \\_SB_.SECN method failed %d\n", status);
- return -ENODEV;
- }
+ status = acpi_evaluate_object(handle, "VPCW", &params, NULL);
+ if (status != AE_OK)
+ return -1;
return 0;
}
+
+static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data)
+{
+ int val;
+ unsigned long int end_jiffies;
+
+ if (method_vpcw(handle, 1, cmd))
+ return -1;
+
+ for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1;
+ time_before(jiffies, end_jiffies);) {
+ schedule();
+ if (method_vpcr(handle, 1, &val))
+ return -1;
+ if (val == 0) {
+ if (method_vpcr(handle, 0, &val))
+ return -1;
+ *data = val;
+ return 0;
+ }
+ }
+ pr_err("timeout in read_ec_cmd\n");
+ return -1;
+}
+
+static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data)
+{
+ int val;
+ unsigned long int end_jiffies;
+
+ if (method_vpcw(handle, 0, data))
+ return -1;
+ if (method_vpcw(handle, 1, cmd))
+ return -1;
+
+ for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1;
+ time_before(jiffies, end_jiffies);) {
+ schedule();
+ if (method_vpcr(handle, 1, &val))
+ return -1;
+ if (val == 0)
+ return 0;
+ }
+ pr_err("timeout in write_ec_cmd\n");
+ return -1;
+}
+/* the above is ACPI helpers */
+
static ssize_t show_ideapad_cam(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- int state = ideapad_dev_get_state(IDEAPAD_DEV_CAMERA);
- if (state < 0)
- return state;
+ struct ideapad_private *priv = dev_get_drvdata(dev);
+ acpi_handle handle = priv->handle;
+ unsigned long result;
- return sprintf(buf, "%d\n", state);
+ if (read_ec_data(handle, 0x1D, &result))
+ return sprintf(buf, "-1\n");
+ return sprintf(buf, "%lu\n", result);
}
static ssize_t store_ideapad_cam(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct ideapad_private *priv = dev_get_drvdata(dev);
+ acpi_handle handle = priv->handle;
int ret, state;
if (!count)
return 0;
if (sscanf(buf, "%i", &state) != 1)
return -EINVAL;
- ret = ideapad_dev_set_state(IDEAPAD_DEV_CAMERA, !!state);
+ ret = write_ec_cmd(handle, 0x1E, state);
if (ret < 0)
return ret;
return count;
@@ -154,7 +204,10 @@ static int ideapad_rfk_set(void *data, bool blocked)
if (device == IDEAPAD_DEV_KILLSW)
return -EINVAL;
- return ideapad_dev_set_state(device, !blocked);
+
+ return write_ec_cmd(ideapad_priv->handle,
+ ideapad_rfk_data[device].opcode,
+ !blocked);
}
static struct rfkill_ops ideapad_rfk_ops = {
@@ -164,32 +217,47 @@ static struct rfkill_ops ideapad_rfk_ops = {
static void ideapad_sync_rfk_state(struct acpi_device *adevice)
{
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
- int hw_blocked = !ideapad_dev_get_state(IDEAPAD_DEV_KILLSW);
+ acpi_handle handle = priv->handle;
+ unsigned long hw_blocked;
int i;
- rfkill_set_hw_state(priv->rfk[IDEAPAD_DEV_KILLSW], hw_blocked);
- for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++)
- if (priv->rfk[i])
- rfkill_set_hw_state(priv->rfk[i], hw_blocked);
- if (hw_blocked)
+ if (read_ec_data(handle, 0x23, &hw_blocked))
return;
+ hw_blocked = !hw_blocked;
- for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++)
+ for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++)
if (priv->rfk[i])
- rfkill_set_sw_state(priv->rfk[i], !ideapad_dev_get_state(i));
+ rfkill_set_hw_state(priv->rfk[i], hw_blocked);
}
static int ideapad_register_rfkill(struct acpi_device *adevice, int dev)
{
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
int ret;
+ unsigned long sw_blocked;
+
+ if (no_bt_rfkill &&
+ (ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH)) {
+ /* Force to enable bluetooth when no_bt_rfkill=1 */
+ write_ec_cmd(ideapad_priv->handle,
+ ideapad_rfk_data[dev].opcode, 1);
+ return 0;
+ }
- priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev-1].name, &adevice->dev,
- ideapad_rfk_data[dev-1].type, &ideapad_rfk_ops,
+ priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, &adevice->dev,
+ ideapad_rfk_data[dev].type, &ideapad_rfk_ops,
(void *)(long)dev);
if (!priv->rfk[dev])
return -ENOMEM;
+ if (read_ec_data(ideapad_priv->handle, ideapad_rfk_data[dev].opcode-1,
+ &sw_blocked)) {
+ rfkill_init_sw_state(priv->rfk[dev], 0);
+ } else {
+ sw_blocked = !sw_blocked;
+ rfkill_init_sw_state(priv->rfk[dev], sw_blocked);
+ }
+
ret = rfkill_register(priv->rfk[dev]);
if (ret) {
rfkill_destroy(priv->rfk[dev]);
@@ -217,14 +285,18 @@ MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
static int ideapad_acpi_add(struct acpi_device *adevice)
{
- int i;
+ int i, cfg;
int devs_present[5];
struct ideapad_private *priv;
+ if (read_method_int(adevice->handle, "_CFG", &cfg))
+ return -ENODEV;
+
for (i = IDEAPAD_DEV_CAMERA; i < IDEAPAD_DEV_KILLSW; i++) {
- devs_present[i] = ideapad_dev_exists(i);
- if (devs_present[i] < 0)
- return devs_present[i];
+ if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg))
+ devs_present[i] = 1;
+ else
+ devs_present[i] = 0;
}
/* The hardware switch is always present */
@@ -242,7 +314,9 @@ static int ideapad_acpi_add(struct acpi_device *adevice)
}
}
+ priv->handle = adevice->handle;
dev_set_drvdata(&adevice->dev, priv);
+ ideapad_priv = priv;
for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) {
if (!devs_present[i])
continue;
@@ -270,7 +344,21 @@ static int ideapad_acpi_remove(struct acpi_device *adevice, int type)
static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
{
- ideapad_sync_rfk_state(adevice);
+ acpi_handle handle = adevice->handle;
+ unsigned long vpc1, vpc2, vpc_bit;
+
+ if (read_ec_data(handle, 0x10, &vpc1))
+ return;
+ if (read_ec_data(handle, 0x1A, &vpc2))
+ return;
+
+ vpc1 = (vpc2 << 8) | vpc1;
+ for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) {
+ if (test_bit(vpc_bit, &vpc1)) {
+ if (vpc_bit == 9)
+ ideapad_sync_rfk_state(adevice);
+ }
+ }
}
static struct acpi_driver ideapad_acpi_driver = {
diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index 5cdcff653918..f540ff96c53f 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -142,16 +142,16 @@ static int pmic_gpio_direction_output(struct gpio_chip *chip,
if (offset < 8)/* it is GPIO */
rc = intel_scu_ipc_update_register(GPIO0 + offset,
- GPIO_DRV | GPIO_DOU | GPIO_DIR,
- GPIO_DRV | (value ? GPIO_DOU : 0));
+ GPIO_DRV | (value ? GPIO_DOU : 0),
+ GPIO_DRV | GPIO_DOU | GPIO_DIR);
else if (offset < 16)/* it is GPOSW */
rc = intel_scu_ipc_update_register(GPOSWCTL0 + offset - 8,
- GPOSW_DRV | GPOSW_DOU | GPOSW_RDRV,
- GPOSW_DRV | (value ? GPOSW_DOU : 0));
+ GPOSW_DRV | (value ? GPOSW_DOU : 0),
+ GPOSW_DRV | GPOSW_DOU | GPOSW_RDRV);
else if (offset > 15 && offset < 24)/* it is GPO */
rc = intel_scu_ipc_update_register(GPO,
- 1 << (offset - 16),
- value ? 1 << (offset - 16) : 0);
+ value ? 1 << (offset - 16) : 0,
+ 1 << (offset - 16));
else {
printk(KERN_ERR
"%s: invalid PMIC GPIO pin %d!\n", __func__, offset);
@@ -179,16 +179,16 @@ static void pmic_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
if (offset < 8)/* it is GPIO */
intel_scu_ipc_update_register(GPIO0 + offset,
- GPIO_DRV | GPIO_DOU,
- GPIO_DRV | (value ? GPIO_DOU : 0));
+ GPIO_DRV | (value ? GPIO_DOU : 0),
+ GPIO_DRV | GPIO_DOU);
else if (offset < 16)/* it is GPOSW */
intel_scu_ipc_update_register(GPOSWCTL0 + offset - 8,
- GPOSW_DRV | GPOSW_DOU | GPOSW_RDRV,
- GPOSW_DRV | (value ? GPOSW_DOU : 0));
+ GPOSW_DRV | (value ? GPOSW_DOU : 0),
+ GPOSW_DRV | GPOSW_DOU | GPOSW_RDRV);
else if (offset > 15 && offset < 24) /* it is GPO */
intel_scu_ipc_update_register(GPO,
- 1 << (offset - 16),
- value ? 1 << (offset - 16) : 0);
+ value ? 1 << (offset - 16) : 0,
+ 1 << (offset - 16));
}
static int pmic_irq_type(unsigned irq, unsigned type)
@@ -197,7 +197,7 @@ static int pmic_irq_type(unsigned irq, unsigned type)
u32 gpio = irq - pg->irq_base;
unsigned long flags;
- if (gpio > pg->chip.ngpio)
+ if (gpio >= pg->chip.ngpio)
return -EINVAL;
spin_lock_irqsave(&pg->irqtypes.lock, flags);
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 6abe18e638e9..41a9e34899ac 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -23,6 +23,7 @@
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
+#include <linux/sfi.h>
#include <asm/mrst.h>
#include <asm/intel_scu_ipc.h>
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index ec01c3d8fc5a..cc1e0ba104d7 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -128,6 +128,7 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#ifndef ACPI_HOTKEY_COMPONENT
@@ -200,30 +201,29 @@ static struct acpi_driver acpi_pcc_driver = {
},
};
-#define KEYMAP_SIZE 11
-static const unsigned int initial_keymap[KEYMAP_SIZE] = {
- /* 0 */ KEY_RESERVED,
- /* 1 */ KEY_BRIGHTNESSDOWN,
- /* 2 */ KEY_BRIGHTNESSUP,
- /* 3 */ KEY_DISPLAYTOGGLE,
- /* 4 */ KEY_MUTE,
- /* 5 */ KEY_VOLUMEDOWN,
- /* 6 */ KEY_VOLUMEUP,
- /* 7 */ KEY_SLEEP,
- /* 8 */ KEY_PROG1, /* Change CPU boost */
- /* 9 */ KEY_BATTERY,
- /* 10 */ KEY_SUSPEND,
+static const struct key_entry panasonic_keymap[] = {
+ { KE_KEY, 0, { KEY_RESERVED } },
+ { KE_KEY, 1, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 2, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 3, { KEY_DISPLAYTOGGLE } },
+ { KE_KEY, 4, { KEY_MUTE } },
+ { KE_KEY, 5, { KEY_VOLUMEDOWN } },
+ { KE_KEY, 6, { KEY_VOLUMEUP } },
+ { KE_KEY, 7, { KEY_SLEEP } },
+ { KE_KEY, 8, { KEY_PROG1 } }, /* Change CPU boost */
+ { KE_KEY, 9, { KEY_BATTERY } },
+ { KE_KEY, 10, { KEY_SUSPEND } },
+ { KE_END, 0 }
};
struct pcc_acpi {
acpi_handle handle;
unsigned long num_sifr;
int sticky_mode;
- u32 *sinf;
+ u32 *sinf;
struct acpi_device *device;
struct input_dev *input_dev;
struct backlight_device *backlight;
- unsigned int keymap[KEYMAP_SIZE];
};
struct pcc_keyinput {
@@ -267,7 +267,7 @@ static inline int acpi_pcc_get_sqty(struct acpi_device *device)
}
}
-static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf)
+static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc)
{
acpi_status status;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
@@ -285,6 +285,7 @@ static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf)
hkey = buffer.pointer;
if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n"));
+ status = AE_ERROR;
goto end;
}
@@ -298,12 +299,12 @@ static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf)
for (i = 0; i < hkey->package.count; i++) {
union acpi_object *element = &(hkey->package.elements[i]);
if (likely(element->type == ACPI_TYPE_INTEGER)) {
- sinf[i] = element->integer.value;
+ pcc->sinf[i] = element->integer.value;
} else
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Invalid HKEY.SINF data\n"));
}
- sinf[hkey->package.count] = -1;
+ pcc->sinf[hkey->package.count] = -1;
end:
kfree(buffer.pointer);
@@ -321,7 +322,7 @@ static int bl_get(struct backlight_device *bd)
{
struct pcc_acpi *pcc = bl_get_data(bd);
- if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+ if (!acpi_pcc_retrieve_biosdata(pcc))
return -EIO;
return pcc->sinf[SINF_AC_CUR_BRIGHT];
@@ -333,7 +334,7 @@ static int bl_set_status(struct backlight_device *bd)
int bright = bd->props.brightness;
int rc;
- if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+ if (!acpi_pcc_retrieve_biosdata(pcc))
return -EIO;
if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT])
@@ -367,7 +368,7 @@ static ssize_t show_numbatt(struct device *dev, struct device_attribute *attr,
struct acpi_device *acpi = to_acpi_device(dev);
struct pcc_acpi *pcc = acpi_driver_data(acpi);
- if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+ if (!acpi_pcc_retrieve_biosdata(pcc))
return -EIO;
return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
@@ -379,7 +380,7 @@ static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
struct acpi_device *acpi = to_acpi_device(dev);
struct pcc_acpi *pcc = acpi_driver_data(acpi);
- if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+ if (!acpi_pcc_retrieve_biosdata(pcc))
return -EIO;
return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
@@ -391,7 +392,7 @@ static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
struct acpi_device *acpi = to_acpi_device(dev);
struct pcc_acpi *pcc = acpi_driver_data(acpi);
- if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+ if (!acpi_pcc_retrieve_biosdata(pcc))
return -EIO;
return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_MUTE]);
@@ -403,7 +404,7 @@ static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
struct acpi_device *acpi = to_acpi_device(dev);
struct pcc_acpi *pcc = acpi_driver_data(acpi);
- if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+ if (!acpi_pcc_retrieve_biosdata(pcc))
return -EIO;
return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
@@ -446,56 +447,10 @@ static struct attribute_group pcc_attr_group = {
/* hotkey input device driver */
-static int pcc_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
-{
- struct pcc_acpi *pcc = input_get_drvdata(dev);
-
- if (scancode >= ARRAY_SIZE(pcc->keymap))
- return -EINVAL;
-
- *keycode = pcc->keymap[scancode];
-
- return 0;
-}
-
-static int keymap_get_by_keycode(struct pcc_acpi *pcc, unsigned int keycode)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++) {
- if (pcc->keymap[i] == keycode)
- return i+1;
- }
-
- return 0;
-}
-
-static int pcc_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
-{
- struct pcc_acpi *pcc = input_get_drvdata(dev);
- int oldkeycode;
-
- if (scancode >= ARRAY_SIZE(pcc->keymap))
- return -EINVAL;
-
- oldkeycode = pcc->keymap[scancode];
- pcc->keymap[scancode] = keycode;
-
- set_bit(keycode, dev->keybit);
-
- if (!keymap_get_by_keycode(pcc, oldkeycode))
- clear_bit(oldkeycode, dev->keybit);
-
- return 0;
-}
-
static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
{
struct input_dev *hotk_input_dev = pcc->input_dev;
int rc;
- int key_code, hkey_num;
unsigned long long result;
rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY,
@@ -508,25 +463,10 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
acpi_bus_generate_proc_event(pcc->device, HKEY_NOTIFY, result);
- hkey_num = result & 0xf;
-
- if (hkey_num < 0 || hkey_num >= ARRAY_SIZE(pcc->keymap)) {
+ if (!sparse_keymap_report_event(hotk_input_dev,
+ result & 0xf, result & 0x80, false))
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "hotkey number out of range: %d\n",
- hkey_num));
- return;
- }
-
- key_code = pcc->keymap[hkey_num];
-
- if (key_code != KEY_RESERVED) {
- int pushed = (result & 0x80) ? TRUE : FALSE;
-
- input_report_key(hotk_input_dev, key_code, pushed);
- input_sync(hotk_input_dev);
- }
-
- return;
+ "Unknown hotkey event: %d\n", result));
}
static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event)
@@ -545,40 +485,55 @@ static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event)
static int acpi_pcc_init_input(struct pcc_acpi *pcc)
{
- int i, rc;
+ struct input_dev *input_dev;
+ int error;
- pcc->input_dev = input_allocate_device();
- if (!pcc->input_dev) {
+ input_dev = input_allocate_device();
+ if (!input_dev) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Couldn't allocate input device for hotkey"));
return -ENOMEM;
}
- pcc->input_dev->evbit[0] = BIT(EV_KEY);
-
- pcc->input_dev->name = ACPI_PCC_DRIVER_NAME;
- pcc->input_dev->phys = ACPI_PCC_INPUT_PHYS;
- pcc->input_dev->id.bustype = BUS_HOST;
- pcc->input_dev->id.vendor = 0x0001;
- pcc->input_dev->id.product = 0x0001;
- pcc->input_dev->id.version = 0x0100;
- pcc->input_dev->getkeycode = pcc_getkeycode;
- pcc->input_dev->setkeycode = pcc_setkeycode;
+ input_dev->name = ACPI_PCC_DRIVER_NAME;
+ input_dev->phys = ACPI_PCC_INPUT_PHYS;
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
- /* load initial keymap */
- memcpy(pcc->keymap, initial_keymap, sizeof(pcc->keymap));
+ error = sparse_keymap_setup(input_dev, panasonic_keymap, NULL);
+ if (error) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unable to setup input device keymap\n"));
+ goto err_free_dev;
+ }
- for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++)
- __set_bit(pcc->keymap[i], pcc->input_dev->keybit);
- __clear_bit(KEY_RESERVED, pcc->input_dev->keybit);
+ error = input_register_device(input_dev);
+ if (error) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unable to register input device\n"));
+ goto err_free_keymap;
+ }
- input_set_drvdata(pcc->input_dev, pcc);
+ pcc->input_dev = input_dev;
+ return 0;
- rc = input_register_device(pcc->input_dev);
- if (rc < 0)
- input_free_device(pcc->input_dev);
+ err_free_keymap:
+ sparse_keymap_free(input_dev);
+ err_free_dev:
+ input_free_device(input_dev);
+ return error;
+}
- return rc;
+static void acpi_pcc_destroy_input(struct pcc_acpi *pcc)
+{
+ sparse_keymap_free(pcc->input_dev);
+ input_unregister_device(pcc->input_dev);
+ /*
+ * No need to input_free_device() since core input API refcounts
+ * and free()s the device.
+ */
}
/* kernel module interface */
@@ -636,12 +591,13 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error installing keyinput handler\n"));
- goto out_hotkey;
+ goto out_sinf;
}
- if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) {
+ if (!acpi_pcc_retrieve_biosdata(pcc)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Couldn't retrieve BIOS data\n"));
+ result = -EIO;
goto out_input;
}
/* initialize backlight */
@@ -651,7 +607,7 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
&pcc_backlight_ops, &props);
if (IS_ERR(pcc->backlight)) {
result = PTR_ERR(pcc->backlight);
- goto out_sinf;
+ goto out_input;
}
/* read the initial brightness setting from the hardware */
@@ -669,12 +625,10 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
out_backlight:
backlight_device_unregister(pcc->backlight);
+out_input:
+ acpi_pcc_destroy_input(pcc);
out_sinf:
kfree(pcc->sinf);
-out_input:
- input_unregister_device(pcc->input_dev);
- /* no need to input_free_device() since core input API refcount and
- * free()s the device */
out_hotkey:
kfree(pcc);
@@ -709,9 +663,7 @@ static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
backlight_device_unregister(pcc->backlight);
- input_unregister_device(pcc->input_dev);
- /* no need to input_free_device() since core input API refcount and
- * free()s the device */
+ acpi_pcc_destroy_input(pcc);
kfree(pcc->sinf);
kfree(pcc);
diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c
index ff4b476f1950..1d07d6d09f27 100644
--- a/drivers/platform/x86/topstar-laptop.c
+++ b/drivers/platform/x86/topstar-laptop.c
@@ -19,6 +19,7 @@
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#define ACPI_TOPSTAR_CLASS "topstar"
@@ -26,52 +27,37 @@ struct topstar_hkey {
struct input_dev *inputdev;
};
-struct tps_key_entry {
- u8 code;
- u16 keycode;
-};
-
-static struct tps_key_entry topstar_keymap[] = {
- { 0x80, KEY_BRIGHTNESSUP },
- { 0x81, KEY_BRIGHTNESSDOWN },
- { 0x83, KEY_VOLUMEUP },
- { 0x84, KEY_VOLUMEDOWN },
- { 0x85, KEY_MUTE },
- { 0x86, KEY_SWITCHVIDEOMODE },
- { 0x87, KEY_F13 }, /* touchpad enable/disable key */
- { 0x88, KEY_WLAN },
- { 0x8a, KEY_WWW },
- { 0x8b, KEY_MAIL },
- { 0x8c, KEY_MEDIA },
- { 0x96, KEY_F14 }, /* G key? */
- { }
-};
-
-static struct tps_key_entry *tps_get_key_by_scancode(unsigned int code)
-{
- struct tps_key_entry *key;
-
- for (key = topstar_keymap; key->code; key++)
- if (code == key->code)
- return key;
+static const struct key_entry topstar_keymap[] = {
+ { KE_KEY, 0x80, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x81, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 0x83, { KEY_VOLUMEUP } },
+ { KE_KEY, 0x84, { KEY_VOLUMEDOWN } },
+ { KE_KEY, 0x85, { KEY_MUTE } },
+ { KE_KEY, 0x86, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x87, { KEY_F13 } }, /* touchpad enable/disable key */
+ { KE_KEY, 0x88, { KEY_WLAN } },
+ { KE_KEY, 0x8a, { KEY_WWW } },
+ { KE_KEY, 0x8b, { KEY_MAIL } },
+ { KE_KEY, 0x8c, { KEY_MEDIA } },
- return NULL;
-}
-
-static struct tps_key_entry *tps_get_key_by_keycode(unsigned int code)
-{
- struct tps_key_entry *key;
+ /* Known non hotkey events don't handled or that we don't care yet */
+ { KE_IGNORE, 0x8e, },
+ { KE_IGNORE, 0x8f, },
+ { KE_IGNORE, 0x90, },
- for (key = topstar_keymap; key->code; key++)
- if (code == key->keycode)
- return key;
+ /*
+ * 'G key' generate two event codes, convert to only
+ * one event/key code for now, consider replacing by
+ * a switch (3G switch - SW_3G?)
+ */
+ { KE_KEY, 0x96, { KEY_F14 } },
+ { KE_KEY, 0x97, { KEY_F14 } },
- return NULL;
-}
+ { KE_END, 0 }
+};
static void acpi_topstar_notify(struct acpi_device *device, u32 event)
{
- struct tps_key_entry *key;
static bool dup_evnt[2];
bool *dup;
struct topstar_hkey *hkey = acpi_driver_data(device);
@@ -86,27 +72,8 @@ static void acpi_topstar_notify(struct acpi_device *device, u32 event)
*dup = true;
}
- /*
- * 'G key' generate two event codes, convert to only
- * one event/key code for now (3G switch?)
- */
- if (event == 0x97)
- event = 0x96;
-
- key = tps_get_key_by_scancode(event);
- if (key) {
- input_report_key(hkey->inputdev, key->keycode, 1);
- input_sync(hkey->inputdev);
- input_report_key(hkey->inputdev, key->keycode, 0);
- input_sync(hkey->inputdev);
- return;
- }
-
- /* Known non hotkey events don't handled or that we don't care yet */
- if (event == 0x8e || event == 0x8f || event == 0x90)
- return;
-
- pr_info("unknown event = 0x%02x\n", event);
+ if (!sparse_keymap_report_event(hkey->inputdev, event, 1, true))
+ pr_info("unknown event = 0x%02x\n", event);
}
static int acpi_topstar_fncx_switch(struct acpi_device *device, bool state)
@@ -127,62 +94,41 @@ static int acpi_topstar_fncx_switch(struct acpi_device *device, bool state)
return 0;
}
-static int topstar_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
-{
- struct tps_key_entry *key = tps_get_key_by_scancode(scancode);
-
- if (!key)
- return -EINVAL;
-
- *keycode = key->keycode;
- return 0;
-}
-
-static int topstar_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
-{
- struct tps_key_entry *key;
- int old_keycode;
-
- key = tps_get_key_by_scancode(scancode);
-
- if (!key)
- return -EINVAL;
-
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!tps_get_key_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
-}
-
static int acpi_topstar_init_hkey(struct topstar_hkey *hkey)
{
- struct tps_key_entry *key;
+ struct input_dev *input;
+ int error;
- hkey->inputdev = input_allocate_device();
- if (!hkey->inputdev) {
+ input = input_allocate_device();
+ if (!input) {
pr_err("Unable to allocate input device\n");
- return -ENODEV;
+ return -ENOMEM;
}
- hkey->inputdev->name = "Topstar Laptop extra buttons";
- hkey->inputdev->phys = "topstar/input0";
- hkey->inputdev->id.bustype = BUS_HOST;
- hkey->inputdev->getkeycode = topstar_getkeycode;
- hkey->inputdev->setkeycode = topstar_setkeycode;
- for (key = topstar_keymap; key->code; key++) {
- set_bit(EV_KEY, hkey->inputdev->evbit);
- set_bit(key->keycode, hkey->inputdev->keybit);
+
+ input->name = "Topstar Laptop extra buttons";
+ input->phys = "topstar/input0";
+ input->id.bustype = BUS_HOST;
+
+ error = sparse_keymap_setup(input, topstar_keymap, NULL);
+ if (error) {
+ pr_err("Unable to setup input device keymap\n");
+ goto err_free_dev;
}
- if (input_register_device(hkey->inputdev)) {
+
+ error = input_register_device(input);
+ if (error) {
pr_err("Unable to register input device\n");
- input_free_device(hkey->inputdev);
- return -ENODEV;
+ goto err_free_keymap;
}
+ hkey->inputdev = input;
return 0;
+
+ err_free_keymap:
+ sparse_keymap_free(input);
+ err_free_dev:
+ input_free_device(input);
+ return error;
}
static int acpi_topstar_add(struct acpi_device *device)
@@ -216,6 +162,7 @@ static int acpi_topstar_remove(struct acpi_device *device, int type)
acpi_topstar_fncx_switch(device, false);
+ sparse_keymap_free(tps_hkey->inputdev);
input_unregister_device(tps_hkey->inputdev);
kfree(tps_hkey);
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 7d67a45bb2b0..06f304f46e02 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -48,6 +48,7 @@
#include <linux/platform_device.h>
#include <linux/rfkill.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#include <linux/leds.h>
#include <linux/slab.h>
@@ -121,36 +122,28 @@ static const struct acpi_device_id toshiba_device_ids[] = {
};
MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
-struct key_entry {
- char type;
- u16 code;
- u16 keycode;
-};
-
-enum {KE_KEY, KE_END};
-
-static struct key_entry toshiba_acpi_keymap[] = {
- {KE_KEY, 0x101, KEY_MUTE},
- {KE_KEY, 0x102, KEY_ZOOMOUT},
- {KE_KEY, 0x103, KEY_ZOOMIN},
- {KE_KEY, 0x13b, KEY_COFFEE},
- {KE_KEY, 0x13c, KEY_BATTERY},
- {KE_KEY, 0x13d, KEY_SLEEP},
- {KE_KEY, 0x13e, KEY_SUSPEND},
- {KE_KEY, 0x13f, KEY_SWITCHVIDEOMODE},
- {KE_KEY, 0x140, KEY_BRIGHTNESSDOWN},
- {KE_KEY, 0x141, KEY_BRIGHTNESSUP},
- {KE_KEY, 0x142, KEY_WLAN},
- {KE_KEY, 0x143, KEY_PROG1},
- {KE_KEY, 0xb05, KEY_PROG2},
- {KE_KEY, 0xb06, KEY_WWW},
- {KE_KEY, 0xb07, KEY_MAIL},
- {KE_KEY, 0xb30, KEY_STOP},
- {KE_KEY, 0xb31, KEY_PREVIOUSSONG},
- {KE_KEY, 0xb32, KEY_NEXTSONG},
- {KE_KEY, 0xb33, KEY_PLAYPAUSE},
- {KE_KEY, 0xb5a, KEY_MEDIA},
- {KE_END, 0, 0},
+static const struct key_entry toshiba_acpi_keymap[] __initconst = {
+ { KE_KEY, 0x101, { KEY_MUTE } },
+ { KE_KEY, 0x102, { KEY_ZOOMOUT } },
+ { KE_KEY, 0x103, { KEY_ZOOMIN } },
+ { KE_KEY, 0x13b, { KEY_COFFEE } },
+ { KE_KEY, 0x13c, { KEY_BATTERY } },
+ { KE_KEY, 0x13d, { KEY_SLEEP } },
+ { KE_KEY, 0x13e, { KEY_SUSPEND } },
+ { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x142, { KEY_WLAN } },
+ { KE_KEY, 0x143, { KEY_PROG1 } },
+ { KE_KEY, 0xb05, { KEY_PROG2 } },
+ { KE_KEY, 0xb06, { KEY_WWW } },
+ { KE_KEY, 0xb07, { KEY_MAIL } },
+ { KE_KEY, 0xb30, { KEY_STOP } },
+ { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } },
+ { KE_KEY, 0xb32, { KEY_NEXTSONG } },
+ { KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
+ { KE_KEY, 0xb5a, { KEY_MEDIA } },
+ { KE_END, 0 },
};
/* utility
@@ -852,64 +845,9 @@ static struct backlight_ops toshiba_backlight_data = {
.update_status = set_lcd_status,
};
-static struct key_entry *toshiba_acpi_get_entry_by_scancode(unsigned int code)
-{
- struct key_entry *key;
-
- for (key = toshiba_acpi_keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static struct key_entry *toshiba_acpi_get_entry_by_keycode(unsigned int code)
-{
- struct key_entry *key;
-
- for (key = toshiba_acpi_keymap; key->type != KE_END; key++)
- if (code == key->keycode && key->type == KE_KEY)
- return key;
-
- return NULL;
-}
-
-static int toshiba_acpi_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
-{
- struct key_entry *key = toshiba_acpi_get_entry_by_scancode(scancode);
-
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int toshiba_acpi_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
-{
- struct key_entry *key;
- unsigned int old_keycode;
-
- key = toshiba_acpi_get_entry_by_scancode(scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!toshiba_acpi_get_entry_by_keycode(old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
- }
-
- return -EINVAL;
-}
-
static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
{
u32 hci_result, value;
- struct key_entry *key;
if (event != 0x80)
return;
@@ -922,19 +860,11 @@ static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
if (value & 0x80)
continue;
- key = toshiba_acpi_get_entry_by_scancode
- (value);
- if (!key) {
+ if (!sparse_keymap_report_event(toshiba_acpi.hotkey_dev,
+ value, 1, true)) {
printk(MY_INFO "Unknown key %x\n",
value);
- continue;
}
- input_report_key(toshiba_acpi.hotkey_dev,
- key->keycode, 1);
- input_sync(toshiba_acpi.hotkey_dev);
- input_report_key(toshiba_acpi.hotkey_dev,
- key->keycode, 0);
- input_sync(toshiba_acpi.hotkey_dev);
} else if (hci_result == HCI_NOT_SUPPORTED) {
/* This is a workaround for an unresolved issue on
* some machines where system events sporadically
@@ -945,34 +875,17 @@ static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
} while (hci_result != HCI_EMPTY);
}
-static int toshiba_acpi_setup_keyboard(char *device)
+static int __init toshiba_acpi_setup_keyboard(char *device)
{
acpi_status status;
- acpi_handle handle;
- int result;
- const struct key_entry *key;
+ int error;
- status = acpi_get_handle(NULL, device, &handle);
+ status = acpi_get_handle(NULL, device, &toshiba_acpi.handle);
if (ACPI_FAILURE(status)) {
printk(MY_INFO "Unable to get notification device\n");
return -ENODEV;
}
- toshiba_acpi.handle = handle;
-
- status = acpi_evaluate_object(handle, "ENAB", NULL, NULL);
- if (ACPI_FAILURE(status)) {
- printk(MY_INFO "Unable to enable hotkeys\n");
- return -ENODEV;
- }
-
- status = acpi_install_notify_handler(handle, ACPI_DEVICE_NOTIFY,
- toshiba_acpi_notify, NULL);
- if (ACPI_FAILURE(status)) {
- printk(MY_INFO "Unable to install hotkey notification\n");
- return -ENODEV;
- }
-
toshiba_acpi.hotkey_dev = input_allocate_device();
if (!toshiba_acpi.hotkey_dev) {
printk(MY_INFO "Unable to register input device\n");
@@ -982,27 +895,54 @@ static int toshiba_acpi_setup_keyboard(char *device)
toshiba_acpi.hotkey_dev->name = "Toshiba input device";
toshiba_acpi.hotkey_dev->phys = device;
toshiba_acpi.hotkey_dev->id.bustype = BUS_HOST;
- toshiba_acpi.hotkey_dev->getkeycode = toshiba_acpi_getkeycode;
- toshiba_acpi.hotkey_dev->setkeycode = toshiba_acpi_setkeycode;
- for (key = toshiba_acpi_keymap; key->type != KE_END; key++) {
- set_bit(EV_KEY, toshiba_acpi.hotkey_dev->evbit);
- set_bit(key->keycode, toshiba_acpi.hotkey_dev->keybit);
+ error = sparse_keymap_setup(toshiba_acpi.hotkey_dev,
+ toshiba_acpi_keymap, NULL);
+ if (error)
+ goto err_free_dev;
+
+ status = acpi_install_notify_handler(toshiba_acpi.handle,
+ ACPI_DEVICE_NOTIFY, toshiba_acpi_notify, NULL);
+ if (ACPI_FAILURE(status)) {
+ printk(MY_INFO "Unable to install hotkey notification\n");
+ error = -ENODEV;
+ goto err_free_keymap;
+ }
+
+ status = acpi_evaluate_object(toshiba_acpi.handle, "ENAB", NULL, NULL);
+ if (ACPI_FAILURE(status)) {
+ printk(MY_INFO "Unable to enable hotkeys\n");
+ error = -ENODEV;
+ goto err_remove_notify;
}
- result = input_register_device(toshiba_acpi.hotkey_dev);
- if (result) {
+ error = input_register_device(toshiba_acpi.hotkey_dev);
+ if (error) {
printk(MY_INFO "Unable to register input device\n");
- return result;
+ goto err_remove_notify;
}
return 0;
+
+ err_remove_notify:
+ acpi_remove_notify_handler(toshiba_acpi.handle,
+ ACPI_DEVICE_NOTIFY, toshiba_acpi_notify);
+ err_free_keymap:
+ sparse_keymap_free(toshiba_acpi.hotkey_dev);
+ err_free_dev:
+ input_free_device(toshiba_acpi.hotkey_dev);
+ toshiba_acpi.hotkey_dev = NULL;
+ return error;
}
static void toshiba_acpi_exit(void)
{
- if (toshiba_acpi.hotkey_dev)
+ if (toshiba_acpi.hotkey_dev) {
+ acpi_remove_notify_handler(toshiba_acpi.handle,
+ ACPI_DEVICE_NOTIFY, toshiba_acpi_notify);
+ sparse_keymap_free(toshiba_acpi.hotkey_dev);
input_unregister_device(toshiba_acpi.hotkey_dev);
+ }
if (toshiba_acpi.bt_rfk) {
rfkill_unregister(toshiba_acpi.bt_rfk);
@@ -1017,9 +957,6 @@ static void toshiba_acpi_exit(void)
if (toshiba_proc_dir)
remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
- acpi_remove_notify_handler(toshiba_acpi.handle, ACPI_DEVICE_NOTIFY,
- toshiba_acpi_notify);
-
if (toshiba_acpi.illumination_installed)
led_classdev_unregister(&toshiba_led);
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index b2978a04317f..104b77c87ef5 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -27,6 +27,8 @@
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
@@ -44,9 +46,8 @@ MODULE_LICENSE("GPL");
#define ACPI_WMI_CLASS "wmi"
-#define PREFIX "ACPI: WMI: "
-
static DEFINE_MUTEX(wmi_data_lock);
+static LIST_HEAD(wmi_block_list);
struct guid_block {
char guid[16];
@@ -67,10 +68,9 @@ struct wmi_block {
acpi_handle handle;
wmi_notify_handler handler;
void *handler_data;
- struct device *dev;
+ struct device dev;
};
-static struct wmi_block wmi_blocks;
/*
* If the GUID data block is marked as expensive, we must enable and
@@ -110,7 +110,7 @@ static struct acpi_driver acpi_wmi_driver = {
.add = acpi_wmi_add,
.remove = acpi_wmi_remove,
.notify = acpi_wmi_notify,
- },
+ },
};
/*
@@ -128,30 +128,18 @@ static struct acpi_driver acpi_wmi_driver = {
*/
static int wmi_parse_hexbyte(const u8 *src)
{
- unsigned int x; /* For correct wrapping */
int h;
+ int value;
/* high part */
- x = src[0];
- if (x - '0' <= '9' - '0') {
- h = x - '0';
- } else if (x - 'a' <= 'f' - 'a') {
- h = x - 'a' + 10;
- } else if (x - 'A' <= 'F' - 'A') {
- h = x - 'A' + 10;
- } else {
+ h = value = hex_to_bin(src[0]);
+ if (value < 0)
return -1;
- }
- h <<= 4;
/* low part */
- x = src[1];
- if (x - '0' <= '9' - '0')
- return h | (x - '0');
- if (x - 'a' <= 'f' - 'a')
- return h | (x - 'a' + 10);
- if (x - 'A' <= 'F' - 'A')
- return h | (x - 'A' + 10);
+ value = hex_to_bin(src[1]);
+ if (value >= 0)
+ return (h << 4) | value;
return -1;
}
@@ -232,7 +220,7 @@ static int wmi_gtoa(const char *in, char *out)
for (i = 10; i <= 15; i++)
out += sprintf(out, "%02X", in[i] & 0xFF);
- out = '\0';
+ *out = '\0';
return 0;
}
@@ -246,7 +234,7 @@ static bool find_guid(const char *guid_string, struct wmi_block **out)
wmi_parse_guid(guid_string, tmp);
wmi_swap_bytes(tmp, guid_input);
- list_for_each(p, &wmi_blocks.list) {
+ list_for_each(p, &wmi_block_list) {
wblock = list_entry(p, struct wmi_block, list);
block = &wblock->gblock;
@@ -487,30 +475,29 @@ const struct acpi_buffer *in)
}
EXPORT_SYMBOL_GPL(wmi_set_block);
-static void wmi_dump_wdg(struct guid_block *g)
+static void wmi_dump_wdg(const struct guid_block *g)
{
char guid_string[37];
wmi_gtoa(g->guid, guid_string);
- printk(KERN_INFO PREFIX "%s:\n", guid_string);
- printk(KERN_INFO PREFIX "\tobject_id: %c%c\n",
- g->object_id[0], g->object_id[1]);
- printk(KERN_INFO PREFIX "\tnotify_id: %02X\n", g->notify_id);
- printk(KERN_INFO PREFIX "\treserved: %02X\n", g->reserved);
- printk(KERN_INFO PREFIX "\tinstance_count: %d\n", g->instance_count);
- printk(KERN_INFO PREFIX "\tflags: %#x", g->flags);
+
+ pr_info("%s:\n", guid_string);
+ pr_info("\tobject_id: %c%c\n", g->object_id[0], g->object_id[1]);
+ pr_info("\tnotify_id: %02X\n", g->notify_id);
+ pr_info("\treserved: %02X\n", g->reserved);
+ pr_info("\tinstance_count: %d\n", g->instance_count);
+ pr_info("\tflags: %#x ", g->flags);
if (g->flags) {
- printk(" ");
if (g->flags & ACPI_WMI_EXPENSIVE)
- printk("ACPI_WMI_EXPENSIVE ");
+ pr_cont("ACPI_WMI_EXPENSIVE ");
if (g->flags & ACPI_WMI_METHOD)
- printk("ACPI_WMI_METHOD ");
+ pr_cont("ACPI_WMI_METHOD ");
if (g->flags & ACPI_WMI_STRING)
- printk("ACPI_WMI_STRING ");
+ pr_cont("ACPI_WMI_STRING ");
if (g->flags & ACPI_WMI_EVENT)
- printk("ACPI_WMI_EVENT ");
+ pr_cont("ACPI_WMI_EVENT ");
}
- printk("\n");
+ pr_cont("\n");
}
@@ -522,7 +509,7 @@ static void wmi_notify_debug(u32 value, void *context)
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
- printk(KERN_INFO "wmi: bad event status 0x%x\n", status);
+ pr_info("bad event status 0x%x\n", status);
return;
}
@@ -531,22 +518,22 @@ static void wmi_notify_debug(u32 value, void *context)
if (!obj)
return;
- printk(KERN_INFO PREFIX "DEBUG Event ");
+ pr_info("DEBUG Event ");
switch(obj->type) {
case ACPI_TYPE_BUFFER:
- printk("BUFFER_TYPE - length %d\n", obj->buffer.length);
+ pr_cont("BUFFER_TYPE - length %d\n", obj->buffer.length);
break;
case ACPI_TYPE_STRING:
- printk("STRING_TYPE - %s\n", obj->string.pointer);
+ pr_cont("STRING_TYPE - %s\n", obj->string.pointer);
break;
case ACPI_TYPE_INTEGER:
- printk("INTEGER_TYPE - %llu\n", obj->integer.value);
+ pr_cont("INTEGER_TYPE - %llu\n", obj->integer.value);
break;
case ACPI_TYPE_PACKAGE:
- printk("PACKAGE_TYPE - %d elements\n", obj->package.count);
+ pr_cont("PACKAGE_TYPE - %d elements\n", obj->package.count);
break;
default:
- printk("object type 0x%X\n", obj->type);
+ pr_cont("object type 0x%X\n", obj->type);
}
kfree(obj);
}
@@ -633,7 +620,7 @@ acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out)
params[0].type = ACPI_TYPE_INTEGER;
params[0].integer.value = event;
- list_for_each(p, &wmi_blocks.list) {
+ list_for_each(p, &wmi_block_list) {
wblock = list_entry(p, struct wmi_block, list);
gblock = &wblock->gblock;
@@ -662,7 +649,7 @@ EXPORT_SYMBOL_GPL(wmi_has_guid);
/*
* sysfs interface
*/
-static ssize_t show_modalias(struct device *dev, struct device_attribute *attr,
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
char guid_string[37];
@@ -676,7 +663,11 @@ static ssize_t show_modalias(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "wmi:%s\n", guid_string);
}
-static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
+
+static struct device_attribute wmi_dev_attrs[] = {
+ __ATTR_RO(modalias),
+ __ATTR_NULL
+};
static int wmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
{
@@ -702,108 +693,71 @@ static int wmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
static void wmi_dev_free(struct device *dev)
{
- kfree(dev);
+ struct wmi_block *wmi_block = container_of(dev, struct wmi_block, dev);
+
+ kfree(wmi_block);
}
static struct class wmi_class = {
.name = "wmi",
.dev_release = wmi_dev_free,
.dev_uevent = wmi_dev_uevent,
+ .dev_attrs = wmi_dev_attrs,
};
-static int wmi_create_devs(void)
+static struct wmi_block *wmi_create_device(const struct guid_block *gblock,
+ acpi_handle handle)
{
- int result;
- char guid_string[37];
- struct guid_block *gblock;
struct wmi_block *wblock;
- struct list_head *p;
- struct device *guid_dev;
-
- /* Create devices for all the GUIDs */
- list_for_each(p, &wmi_blocks.list) {
- wblock = list_entry(p, struct wmi_block, list);
-
- guid_dev = kzalloc(sizeof(struct device), GFP_KERNEL);
- if (!guid_dev)
- return -ENOMEM;
-
- wblock->dev = guid_dev;
-
- guid_dev->class = &wmi_class;
- dev_set_drvdata(guid_dev, wblock);
-
- gblock = &wblock->gblock;
-
- wmi_gtoa(gblock->guid, guid_string);
- dev_set_name(guid_dev, guid_string);
-
- result = device_register(guid_dev);
- if (result)
- return result;
+ int error;
+ char guid_string[37];
- result = device_create_file(guid_dev, &dev_attr_modalias);
- if (result)
- return result;
+ wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL);
+ if (!wblock) {
+ error = -ENOMEM;
+ goto err_out;
}
- return 0;
-}
+ wblock->handle = handle;
+ wblock->gblock = *gblock;
-static void wmi_remove_devs(void)
-{
- struct guid_block *gblock;
- struct wmi_block *wblock;
- struct list_head *p;
- struct device *guid_dev;
+ wblock->dev.class = &wmi_class;
- /* Delete devices for all the GUIDs */
- list_for_each(p, &wmi_blocks.list) {
- wblock = list_entry(p, struct wmi_block, list);
+ wmi_gtoa(gblock->guid, guid_string);
+ dev_set_name(&wblock->dev, guid_string);
- guid_dev = wblock->dev;
- gblock = &wblock->gblock;
+ dev_set_drvdata(&wblock->dev, wblock);
- device_remove_file(guid_dev, &dev_attr_modalias);
+ error = device_register(&wblock->dev);
+ if (error)
+ goto err_free;
- device_unregister(guid_dev);
- }
-}
+ list_add_tail(&wblock->list, &wmi_block_list);
+ return wblock;
-static void wmi_class_exit(void)
-{
- wmi_remove_devs();
- class_unregister(&wmi_class);
+err_free:
+ kfree(wblock);
+err_out:
+ return ERR_PTR(error);
}
-static int wmi_class_init(void)
+static void wmi_free_devices(void)
{
- int ret;
-
- ret = class_register(&wmi_class);
- if (ret)
- return ret;
+ struct wmi_block *wblock, *next;
- ret = wmi_create_devs();
- if (ret)
- wmi_class_exit();
-
- return ret;
+ /* Delete devices for all the GUIDs */
+ list_for_each_entry_safe(wblock, next, &wmi_block_list, list)
+ device_unregister(&wblock->dev);
}
static bool guid_already_parsed(const char *guid_string)
{
- struct guid_block *gblock;
struct wmi_block *wblock;
- struct list_head *p;
- list_for_each(p, &wmi_blocks.list) {
- wblock = list_entry(p, struct wmi_block, list);
- gblock = &wblock->gblock;
-
- if (strncmp(gblock->guid, guid_string, 16) == 0)
+ list_for_each_entry(wblock, &wmi_block_list, list)
+ if (strncmp(wblock->gblock.guid, guid_string, 16) == 0)
return true;
- }
+
return false;
}
@@ -814,30 +768,29 @@ static acpi_status parse_wdg(acpi_handle handle)
{
struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
union acpi_object *obj;
- struct guid_block *gblock;
+ const struct guid_block *gblock;
struct wmi_block *wblock;
char guid_string[37];
acpi_status status;
+ int retval;
u32 i, total;
status = acpi_evaluate_object(handle, "_WDG", NULL, &out);
-
if (ACPI_FAILURE(status))
- return status;
+ return -ENXIO;
obj = (union acpi_object *) out.pointer;
+ if (!obj)
+ return -ENXIO;
- if (obj->type != ACPI_TYPE_BUFFER)
- return AE_ERROR;
-
- total = obj->buffer.length / sizeof(struct guid_block);
-
- gblock = kmemdup(obj->buffer.pointer, obj->buffer.length, GFP_KERNEL);
- if (!gblock) {
- status = AE_NO_MEMORY;
+ if (obj->type != ACPI_TYPE_BUFFER) {
+ retval = -ENXIO;
goto out_free_pointer;
}
+ gblock = (const struct guid_block *)obj->buffer.pointer;
+ total = obj->buffer.length / sizeof(struct guid_block);
+
for (i = 0; i < total; i++) {
/*
Some WMI devices, like those for nVidia hooks, have a
@@ -848,34 +801,32 @@ static acpi_status parse_wdg(acpi_handle handle)
*/
if (guid_already_parsed(gblock[i].guid) == true) {
wmi_gtoa(gblock[i].guid, guid_string);
- printk(KERN_INFO PREFIX "Skipping duplicate GUID %s\n",
- guid_string);
+ pr_info("Skipping duplicate GUID %s\n", guid_string);
continue;
}
+
if (debug_dump_wdg)
wmi_dump_wdg(&gblock[i]);
- wblock = kzalloc(sizeof(struct wmi_block), GFP_KERNEL);
- if (!wblock) {
- status = AE_NO_MEMORY;
- goto out_free_gblock;
+ wblock = wmi_create_device(&gblock[i], handle);
+ if (IS_ERR(wblock)) {
+ retval = PTR_ERR(wblock);
+ wmi_free_devices();
+ break;
}
- wblock->gblock = gblock[i];
- wblock->handle = handle;
if (debug_event) {
wblock->handler = wmi_notify_debug;
- status = wmi_method_enable(wblock, 1);
+ wmi_method_enable(wblock, 1);
}
- list_add_tail(&wblock->list, &wmi_blocks.list);
}
-out_free_gblock:
- kfree(gblock);
+ retval = 0;
+
out_free_pointer:
kfree(out.pointer);
- return status;
+ return retval;
}
/*
@@ -929,7 +880,7 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event)
struct list_head *p;
char guid_string[37];
- list_for_each(p, &wmi_blocks.list) {
+ list_for_each(p, &wmi_block_list) {
wblock = list_entry(p, struct wmi_block, list);
block = &wblock->gblock;
@@ -939,8 +890,7 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event)
wblock->handler(event, wblock->handler_data);
if (debug_event) {
wmi_gtoa(wblock->gblock.guid, guid_string);
- printk(KERN_INFO PREFIX "DEBUG Event GUID:"
- " %s\n", guid_string);
+ pr_info("DEBUG Event GUID: %s\n", guid_string);
}
acpi_bus_generate_netlink_event(
@@ -955,6 +905,7 @@ static int acpi_wmi_remove(struct acpi_device *device, int type)
{
acpi_remove_address_space_handler(device->handle,
ACPI_ADR_SPACE_EC, &acpi_wmi_ec_space_handler);
+ wmi_free_devices();
return 0;
}
@@ -962,68 +913,57 @@ static int acpi_wmi_remove(struct acpi_device *device, int type)
static int acpi_wmi_add(struct acpi_device *device)
{
acpi_status status;
- int result = 0;
+ int error;
status = acpi_install_address_space_handler(device->handle,
ACPI_ADR_SPACE_EC,
&acpi_wmi_ec_space_handler,
NULL, NULL);
- if (ACPI_FAILURE(status))
- return -ENODEV;
-
- status = parse_wdg(device->handle);
if (ACPI_FAILURE(status)) {
- printk(KERN_ERR PREFIX "Error installing EC region handler\n");
+ pr_err("Error installing EC region handler\n");
return -ENODEV;
}
- return result;
+ error = parse_wdg(device->handle);
+ if (error) {
+ acpi_remove_address_space_handler(device->handle,
+ ACPI_ADR_SPACE_EC,
+ &acpi_wmi_ec_space_handler);
+ pr_err("Failed to parse WDG method\n");
+ return error;
+ }
+
+ return 0;
}
static int __init acpi_wmi_init(void)
{
- int result;
-
- INIT_LIST_HEAD(&wmi_blocks.list);
+ int error;
if (acpi_disabled)
return -ENODEV;
- result = acpi_bus_register_driver(&acpi_wmi_driver);
+ error = class_register(&wmi_class);
+ if (error)
+ return error;
- if (result < 0) {
- printk(KERN_INFO PREFIX "Error loading mapper\n");
- return -ENODEV;
+ error = acpi_bus_register_driver(&acpi_wmi_driver);
+ if (error) {
+ pr_err("Error loading mapper\n");
+ class_unregister(&wmi_class);
+ return error;
}
- result = wmi_class_init();
- if (result) {
- acpi_bus_unregister_driver(&acpi_wmi_driver);
- return result;
- }
-
- printk(KERN_INFO PREFIX "Mapper loaded\n");
-
- return result;
+ pr_info("Mapper loaded\n");
+ return 0;
}
static void __exit acpi_wmi_exit(void)
{
- struct list_head *p, *tmp;
- struct wmi_block *wblock;
-
- wmi_class_exit();
-
acpi_bus_unregister_driver(&acpi_wmi_driver);
+ class_unregister(&wmi_class);
- list_for_each_safe(p, tmp, &wmi_blocks.list) {
- wblock = list_entry(p, struct wmi_block, list);
-
- list_del(p);
- kfree(wblock);
- }
-
- printk(KERN_INFO PREFIX "Mapper unloaded\n");
+ pr_info("Mapper unloaded\n");
}
subsys_initcall(acpi_wmi_init);
diff --git a/drivers/platform/x86/xo1-rfkill.c b/drivers/platform/x86/xo1-rfkill.c
new file mode 100644
index 000000000000..e549eeeda121
--- /dev/null
+++ b/drivers/platform/x86/xo1-rfkill.c
@@ -0,0 +1,85 @@
+/*
+ * Support for rfkill through the OLPC XO-1 laptop embedded controller
+ *
+ * Copyright (C) 2010 One Laptop per Child
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rfkill.h>
+
+#include <asm/olpc.h>
+
+static int rfkill_set_block(void *data, bool blocked)
+{
+ unsigned char cmd;
+ if (blocked)
+ cmd = EC_WLAN_ENTER_RESET;
+ else
+ cmd = EC_WLAN_LEAVE_RESET;
+
+ return olpc_ec_cmd(cmd, NULL, 0, NULL, 0);
+}
+
+static const struct rfkill_ops rfkill_ops = {
+ .set_block = rfkill_set_block,
+};
+
+static int __devinit xo1_rfkill_probe(struct platform_device *pdev)
+{
+ struct rfkill *rfk;
+ int r;
+
+ rfk = rfkill_alloc(pdev->name, &pdev->dev, RFKILL_TYPE_WLAN,
+ &rfkill_ops, NULL);
+ if (!rfk)
+ return -ENOMEM;
+
+ r = rfkill_register(rfk);
+ if (r) {
+ rfkill_destroy(rfk);
+ return r;
+ }
+
+ platform_set_drvdata(pdev, rfk);
+ return 0;
+}
+
+static int __devexit xo1_rfkill_remove(struct platform_device *pdev)
+{
+ struct rfkill *rfk = platform_get_drvdata(pdev);
+ rfkill_unregister(rfk);
+ rfkill_destroy(rfk);
+ return 0;
+}
+
+static struct platform_driver xo1_rfkill_driver = {
+ .driver = {
+ .name = "xo1-rfkill",
+ .owner = THIS_MODULE,
+ },
+ .probe = xo1_rfkill_probe,
+ .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_AUTHOR("Daniel Drake <dsd@laptop.org>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:xo1-rfkill");
+
+module_init(xo1_rfkill_init);
+module_exit(xo1_rfkill_exit);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 04:11:52 +0100