summaryrefslogtreecommitdiffstats
path: root/drivers/platform
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/Kconfig1
-rw-r--r--drivers/platform/x86/eeepc-laptop.c298
-rw-r--r--drivers/platform/x86/hp-wmi.c2
-rw-r--r--drivers/platform/x86/sony-laptop.c9
4 files changed, 170 insertions, 140 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index db32c25e3605..f526e735c5ab 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -364,6 +364,7 @@ config EEEPC_LAPTOP
select HWMON
select LEDS_CLASS
select NEW_LEDS
+ select INPUT_SPARSEKMAP
---help---
This driver supports the Fn-Fx keys on Eee PC laptops.
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 5838c69b2fb3..e2be6bb33d92 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -31,10 +31,12 @@
#include <acpi/acpi_bus.h>
#include <linux/uaccess.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#include <linux/rfkill.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
#include <linux/leds.h>
+#include <linux/dmi.h>
#define EEEPC_LAPTOP_VERSION "0.1"
#define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver"
@@ -48,6 +50,14 @@ MODULE_AUTHOR("Corentin Chary, Eric Cooper");
MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME);
MODULE_LICENSE("GPL");
+static bool hotplug_disabled;
+
+module_param(hotplug_disabled, bool, 0644);
+MODULE_PARM_DESC(hotplug_disabled,
+ "Disable hotplug for wireless device. "
+ "If your laptop need that, please report to "
+ "acpi4asus-user@lists.sourceforge.net.");
+
/*
* Definitions for Asus EeePC
*/
@@ -120,38 +130,28 @@ static const char *cm_setv[] = {
NULL, NULL, "PBPS", "TPDS"
};
-struct key_entry {
- char type;
- u8 code;
- u16 keycode;
-};
-
-enum { KE_KEY, KE_END };
-
static const struct key_entry eeepc_keymap[] = {
- /* Sleep already handled via generic ACPI code */
- {KE_KEY, 0x10, KEY_WLAN },
- {KE_KEY, 0x11, KEY_WLAN },
- {KE_KEY, 0x12, KEY_PROG1 },
- {KE_KEY, 0x13, KEY_MUTE },
- {KE_KEY, 0x14, KEY_VOLUMEDOWN },
- {KE_KEY, 0x15, KEY_VOLUMEUP },
- {KE_KEY, 0x16, KEY_DISPLAY_OFF },
- {KE_KEY, 0x1a, KEY_COFFEE },
- {KE_KEY, 0x1b, KEY_ZOOM },
- {KE_KEY, 0x1c, KEY_PROG2 },
- {KE_KEY, 0x1d, KEY_PROG3 },
- {KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN },
- {KE_KEY, NOTIFY_BRN_MAX, KEY_BRIGHTNESSUP },
- {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
- {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
- {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
- {KE_KEY, 0x37, KEY_F13 }, /* Disable Touchpad */
- {KE_KEY, 0x38, KEY_F14 },
- {KE_END, 0},
+ { KE_KEY, 0x10, { KEY_WLAN } },
+ { KE_KEY, 0x11, { KEY_WLAN } },
+ { KE_KEY, 0x12, { KEY_PROG1 } },
+ { KE_KEY, 0x13, { KEY_MUTE } },
+ { KE_KEY, 0x14, { KEY_VOLUMEDOWN } },
+ { KE_KEY, 0x15, { KEY_VOLUMEUP } },
+ { KE_KEY, 0x16, { KEY_DISPLAY_OFF } },
+ { KE_KEY, 0x1a, { KEY_COFFEE } },
+ { KE_KEY, 0x1b, { KEY_ZOOM } },
+ { KE_KEY, 0x1c, { KEY_PROG2 } },
+ { KE_KEY, 0x1d, { KEY_PROG3 } },
+ { KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */
+ { KE_KEY, 0x38, { KEY_F14 } },
+ { KE_END, 0 },
};
-
/*
* This is the main structure, we can use it to store useful information
*/
@@ -159,6 +159,8 @@ struct eeepc_laptop {
acpi_handle handle; /* the handle of the acpi device */
u32 cm_supported; /* the control methods supported
by this BIOS */
+ bool cpufv_disabled;
+ bool hotplug_disabled;
u16 event_count[128]; /* count for each event */
struct platform_device *platform_device;
@@ -378,6 +380,8 @@ static ssize_t store_cpufv(struct device *dev,
struct eeepc_cpufv c;
int rv, value;
+ if (eeepc->cpufv_disabled)
+ return -EPERM;
if (get_cpufv(eeepc, &c))
return -ENODEV;
rv = parse_arg(buf, count, &value);
@@ -389,6 +393,41 @@ static ssize_t store_cpufv(struct device *dev,
return rv;
}
+static ssize_t show_cpufv_disabled(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct eeepc_laptop *eeepc = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", eeepc->cpufv_disabled);
+}
+
+static ssize_t store_cpufv_disabled(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct eeepc_laptop *eeepc = dev_get_drvdata(dev);
+ int rv, value;
+
+ rv = parse_arg(buf, count, &value);
+ if (rv < 0)
+ return rv;
+
+ switch (value) {
+ case 0:
+ if (eeepc->cpufv_disabled)
+ pr_warning("cpufv enabled (not officially supported "
+ "on this model)\n");
+ eeepc->cpufv_disabled = false;
+ return rv;
+ case 1:
+ return -EPERM;
+ default:
+ return -EINVAL;
+ }
+}
+
+
static struct device_attribute dev_attr_cpufv = {
.attr = {
.name = "cpufv",
@@ -404,12 +443,22 @@ static struct device_attribute dev_attr_available_cpufv = {
.show = show_available_cpufv
};
+static struct device_attribute dev_attr_cpufv_disabled = {
+ .attr = {
+ .name = "cpufv_disabled",
+ .mode = 0644 },
+ .show = show_cpufv_disabled,
+ .store = store_cpufv_disabled
+};
+
+
static struct attribute *platform_attributes[] = {
&dev_attr_camera.attr,
&dev_attr_cardr.attr,
&dev_attr_disp.attr,
&dev_attr_cpufv.attr,
&dev_attr_available_cpufv.attr,
+ &dev_attr_cpufv_disabled.attr,
NULL
};
@@ -796,6 +845,9 @@ static int eeepc_rfkill_init(struct eeepc_laptop *eeepc)
if (result && result != -ENODEV)
goto exit;
+ if (eeepc->hotplug_disabled)
+ return 0;
+
result = eeepc_setup_pci_hotplug(eeepc);
/*
* If we get -EBUSY then something else is handling the PCI hotplug -
@@ -1090,120 +1142,42 @@ static void eeepc_backlight_exit(struct eeepc_laptop *eeepc)
/*
* Input device (i.e. hotkeys)
*/
-static struct key_entry *eeepc_get_entry_by_scancode(
- struct eeepc_laptop *eeepc,
- int code)
+static int eeepc_input_init(struct eeepc_laptop *eeepc)
{
- struct key_entry *key;
+ struct input_dev *input;
+ int error;
- for (key = eeepc->keymap; key->type != KE_END; key++)
- if (code == key->code)
- return key;
-
- return NULL;
-}
-
-static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event)
-{
- static struct key_entry *key;
-
- key = eeepc_get_entry_by_scancode(eeepc, event);
- if (key) {
- switch (key->type) {
- case KE_KEY:
- input_report_key(eeepc->inputdev, key->keycode,
- 1);
- input_sync(eeepc->inputdev);
- input_report_key(eeepc->inputdev, key->keycode,
- 0);
- input_sync(eeepc->inputdev);
- break;
- }
+ input = input_allocate_device();
+ if (!input) {
+ pr_info("Unable to allocate input device\n");
+ return -ENOMEM;
}
-}
-
-static struct key_entry *eeepc_get_entry_by_keycode(
- struct eeepc_laptop *eeepc, int code)
-{
- struct key_entry *key;
-
- for (key = eeepc->keymap; key->type != KE_END; key++)
- if (code == key->keycode && key->type == KE_KEY)
- return key;
- return NULL;
-}
+ input->name = "Asus EeePC extra buttons";
+ input->phys = EEEPC_LAPTOP_FILE "/input0";
+ input->id.bustype = BUS_HOST;
+ input->dev.parent = &eeepc->platform_device->dev;
-static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
-{
- struct eeepc_laptop *eeepc = input_get_drvdata(dev);
- struct key_entry *key = eeepc_get_entry_by_scancode(eeepc, scancode);
-
- if (key && key->type == KE_KEY) {
- *keycode = key->keycode;
- return 0;
+ error = sparse_keymap_setup(input, eeepc_keymap, NULL);
+ if (error) {
+ pr_err("Unable to setup input device keymap\n");
+ goto err_free_dev;
}
- return -EINVAL;
-}
-
-static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode)
-{
- struct eeepc_laptop *eeepc = input_get_drvdata(dev);
- struct key_entry *key;
- int old_keycode;
-
- if (keycode < 0 || keycode > KEY_MAX)
- return -EINVAL;
-
- key = eeepc_get_entry_by_scancode(eeepc, scancode);
- if (key && key->type == KE_KEY) {
- old_keycode = key->keycode;
- key->keycode = keycode;
- set_bit(keycode, dev->keybit);
- if (!eeepc_get_entry_by_keycode(eeepc, old_keycode))
- clear_bit(old_keycode, dev->keybit);
- return 0;
+ error = input_register_device(input);
+ if (error) {
+ pr_err("Unable to register input device\n");
+ goto err_free_keymap;
}
- return -EINVAL;
-}
-
-static int eeepc_input_init(struct eeepc_laptop *eeepc)
-{
- const struct key_entry *key;
- int result;
-
- eeepc->inputdev = input_allocate_device();
- if (!eeepc->inputdev) {
- pr_info("Unable to allocate input device\n");
- return -ENOMEM;
- }
- eeepc->inputdev->name = "Asus EeePC extra buttons";
- eeepc->inputdev->dev.parent = &eeepc->platform_device->dev;
- eeepc->inputdev->phys = EEEPC_LAPTOP_FILE "/input0";
- eeepc->inputdev->id.bustype = BUS_HOST;
- eeepc->inputdev->getkeycode = eeepc_getkeycode;
- eeepc->inputdev->setkeycode = eeepc_setkeycode;
- input_set_drvdata(eeepc->inputdev, eeepc);
-
- eeepc->keymap = kmemdup(eeepc_keymap, sizeof(eeepc_keymap),
- GFP_KERNEL);
- for (key = eeepc_keymap; key->type != KE_END; key++) {
- switch (key->type) {
- case KE_KEY:
- set_bit(EV_KEY, eeepc->inputdev->evbit);
- set_bit(key->keycode, eeepc->inputdev->keybit);
- break;
- }
- }
- result = input_register_device(eeepc->inputdev);
- if (result) {
- pr_info("Unable to register input device\n");
- input_free_device(eeepc->inputdev);
- return result;
- }
+ eeepc->inputdev = input;
return 0;
+
+ err_free_keymap:
+ sparse_keymap_free(input);
+ err_free_dev:
+ input_free_device(input);
+ return error;
}
static void eeepc_input_exit(struct eeepc_laptop *eeepc)
@@ -1253,11 +1227,59 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
* event will be desired value (or else ignored)
*/
}
- eeepc_input_notify(eeepc, event);
+ sparse_keymap_report_event(eeepc->inputdev, event,
+ 1, true);
}
} else {
/* Everything else is a bona-fide keypress event */
- eeepc_input_notify(eeepc, event);
+ sparse_keymap_report_event(eeepc->inputdev, event, 1, true);
+ }
+}
+
+static void eeepc_dmi_check(struct eeepc_laptop *eeepc)
+{
+ const char *model;
+
+ model = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (!model)
+ return;
+
+ /*
+ * Blacklist for setting cpufv (cpu speed).
+ *
+ * EeePC 4G ("701") implements CFVS, but it is not supported
+ * by the pre-installed OS, and the original option to change it
+ * in the BIOS setup screen was removed in later versions.
+ *
+ * Judging by the lack of "Super Hybrid Engine" on Asus product pages,
+ * this applies to all "701" models (4G/4G Surf/2G Surf).
+ *
+ * So Asus made a deliberate decision not to support it on this model.
+ * We have several reports that using it can cause the system to hang
+ *
+ * The hang has also been reported on a "702" (Model name "8G"?).
+ *
+ * We avoid dmi_check_system() / dmi_match(), because they use
+ * substring matching. We don't want to affect the "701SD"
+ * and "701SDX" models, because they do support S.H.E.
+ */
+ if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) {
+ eeepc->cpufv_disabled = true;
+ pr_info("model %s does not officially support setting cpu "
+ "speed\n", model);
+ pr_info("cpufv disabled to avoid instability\n");
+ }
+
+ /*
+ * Blacklist for wlan hotplug
+ *
+ * Eeepc 1005HA doesn't work like others models and don't need the
+ * hotplug code. In fact, current hotplug code seems to unplug another
+ * device...
+ */
+ if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0) {
+ eeepc->hotplug_disabled = true;
+ pr_info("wlan hotplug disabled\n");
}
}
@@ -1342,6 +1364,10 @@ static int __devinit eeepc_acpi_add(struct acpi_device *device)
strcpy(acpi_device_class(device), EEEPC_ACPI_CLASS);
device->driver_data = eeepc;
+ eeepc->hotplug_disabled = hotplug_disabled;
+
+ eeepc_dmi_check(eeepc);
+
result = eeepc_acpi_init(eeepc, device);
if (result)
goto fail_platform;
@@ -1452,10 +1478,12 @@ static int __init eeepc_laptop_init(void)
result = acpi_bus_register_driver(&eeepc_acpi_driver);
if (result < 0)
goto fail_acpi_driver;
+
if (!eeepc_device_present) {
result = -ENODEV;
goto fail_no_device;
}
+
return 0;
fail_no_device:
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 5b648f0c6075..ad4c414dbfbc 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -393,8 +393,6 @@ static void hp_wmi_notify(u32 value, void *context)
} else
printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
eventcode);
-
- kfree(obj);
}
static int __init hp_wmi_input_setup(void)
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 5af53340da6f..3f71a605a492 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1201,9 +1201,12 @@ static void sony_nc_rfkill_setup(struct acpi_device *device)
/* the buffer is filled with magic numbers describing the devices
* available, 0xff terminates the enumeration
*/
- while ((dev_code = *(device_enum->buffer.pointer + i)) != 0xff &&
- i < device_enum->buffer.length) {
- i++;
+ for (i = 0; i < device_enum->buffer.length; i++) {
+
+ dev_code = *(device_enum->buffer.pointer + i);
+ if (dev_code == 0xff)
+ break;
+
dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 19:59:58 +0000