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@@ -31,10 +31,12 @@
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#include <acpi/acpi_bus.h>
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#include <linux/uaccess.h>
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#include <linux/input.h>
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+#include <linux/input/sparse-keymap.h>
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#include <linux/rfkill.h>
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#include <linux/pci.h>
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#include <linux/pci_hotplug.h>
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#include <linux/leds.h>
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+#include <linux/dmi.h>
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#define EEEPC_LAPTOP_VERSION "0.1"
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#define EEEPC_LAPTOP_NAME "Eee PC Hotkey Driver"
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@@ -48,6 +50,14 @@ MODULE_AUTHOR("Corentin Chary, Eric Cooper");
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MODULE_DESCRIPTION(EEEPC_LAPTOP_NAME);
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MODULE_LICENSE("GPL");
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+static bool hotplug_disabled;
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+
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+module_param(hotplug_disabled, bool, 0644);
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+MODULE_PARM_DESC(hotplug_disabled,
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+ "Disable hotplug for wireless device. "
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+ "If your laptop need that, please report to "
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+ "acpi4asus-user@lists.sourceforge.net.");
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+
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/*
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* Definitions for Asus EeePC
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*/
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@@ -120,38 +130,28 @@ static const char *cm_setv[] = {
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NULL, NULL, "PBPS", "TPDS"
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};
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-struct key_entry {
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- char type;
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- u8 code;
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- u16 keycode;
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-};
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-
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-enum { KE_KEY, KE_END };
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-
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static const struct key_entry eeepc_keymap[] = {
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- /* Sleep already handled via generic ACPI code */
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- {KE_KEY, 0x10, KEY_WLAN },
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- {KE_KEY, 0x11, KEY_WLAN },
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- {KE_KEY, 0x12, KEY_PROG1 },
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- {KE_KEY, 0x13, KEY_MUTE },
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- {KE_KEY, 0x14, KEY_VOLUMEDOWN },
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- {KE_KEY, 0x15, KEY_VOLUMEUP },
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- {KE_KEY, 0x16, KEY_DISPLAY_OFF },
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- {KE_KEY, 0x1a, KEY_COFFEE },
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- {KE_KEY, 0x1b, KEY_ZOOM },
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- {KE_KEY, 0x1c, KEY_PROG2 },
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- {KE_KEY, 0x1d, KEY_PROG3 },
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- {KE_KEY, NOTIFY_BRN_MIN, KEY_BRIGHTNESSDOWN },
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- {KE_KEY, NOTIFY_BRN_MAX, KEY_BRIGHTNESSUP },
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- {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
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- {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
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- {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
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- {KE_KEY, 0x37, KEY_F13 }, /* Disable Touchpad */
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- {KE_KEY, 0x38, KEY_F14 },
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- {KE_END, 0},
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+ { KE_KEY, 0x10, { KEY_WLAN } },
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+ { KE_KEY, 0x11, { KEY_WLAN } },
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+ { KE_KEY, 0x12, { KEY_PROG1 } },
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+ { KE_KEY, 0x13, { KEY_MUTE } },
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+ { KE_KEY, 0x14, { KEY_VOLUMEDOWN } },
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+ { KE_KEY, 0x15, { KEY_VOLUMEUP } },
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+ { KE_KEY, 0x16, { KEY_DISPLAY_OFF } },
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+ { KE_KEY, 0x1a, { KEY_COFFEE } },
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+ { KE_KEY, 0x1b, { KEY_ZOOM } },
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+ { KE_KEY, 0x1c, { KEY_PROG2 } },
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+ { KE_KEY, 0x1d, { KEY_PROG3 } },
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+ { KE_KEY, NOTIFY_BRN_MIN, { KEY_BRIGHTNESSDOWN } },
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+ { KE_KEY, NOTIFY_BRN_MAX, { KEY_BRIGHTNESSUP } },
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+ { KE_KEY, 0x30, { KEY_SWITCHVIDEOMODE } },
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+ { KE_KEY, 0x31, { KEY_SWITCHVIDEOMODE } },
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+ { KE_KEY, 0x32, { KEY_SWITCHVIDEOMODE } },
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+ { KE_KEY, 0x37, { KEY_F13 } }, /* Disable Touchpad */
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+ { KE_KEY, 0x38, { KEY_F14 } },
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+ { KE_END, 0 },
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};
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-
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/*
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* This is the main structure, we can use it to store useful information
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*/
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@@ -159,6 +159,8 @@ struct eeepc_laptop {
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acpi_handle handle; /* the handle of the acpi device */
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u32 cm_supported; /* the control methods supported
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by this BIOS */
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+ bool cpufv_disabled;
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+ bool hotplug_disabled;
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u16 event_count[128]; /* count for each event */
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struct platform_device *platform_device;
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@@ -378,6 +380,8 @@ static ssize_t store_cpufv(struct device *dev,
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struct eeepc_cpufv c;
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int rv, value;
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+ if (eeepc->cpufv_disabled)
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+ return -EPERM;
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if (get_cpufv(eeepc, &c))
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return -ENODEV;
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rv = parse_arg(buf, count, &value);
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@@ -389,6 +393,41 @@ static ssize_t store_cpufv(struct device *dev,
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return rv;
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}
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+static ssize_t show_cpufv_disabled(struct device *dev,
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+ struct device_attribute *attr,
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+ char *buf)
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+{
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+ struct eeepc_laptop *eeepc = dev_get_drvdata(dev);
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+
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+ return sprintf(buf, "%d\n", eeepc->cpufv_disabled);
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+}
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+
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+static ssize_t store_cpufv_disabled(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t count)
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+{
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+ struct eeepc_laptop *eeepc = dev_get_drvdata(dev);
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+ int rv, value;
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+
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+ rv = parse_arg(buf, count, &value);
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+ if (rv < 0)
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+ return rv;
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+
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+ switch (value) {
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+ case 0:
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+ if (eeepc->cpufv_disabled)
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+ pr_warning("cpufv enabled (not officially supported "
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+ "on this model)\n");
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+ eeepc->cpufv_disabled = false;
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+ return rv;
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+ case 1:
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+ return -EPERM;
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+ default:
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+ return -EINVAL;
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+ }
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+}
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+
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+
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static struct device_attribute dev_attr_cpufv = {
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.attr = {
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.name = "cpufv",
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@@ -404,12 +443,22 @@ static struct device_attribute dev_attr_available_cpufv = {
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.show = show_available_cpufv
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};
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+static struct device_attribute dev_attr_cpufv_disabled = {
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+ .attr = {
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+ .name = "cpufv_disabled",
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+ .mode = 0644 },
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+ .show = show_cpufv_disabled,
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+ .store = store_cpufv_disabled
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+};
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+
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+
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static struct attribute *platform_attributes[] = {
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&dev_attr_camera.attr,
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&dev_attr_cardr.attr,
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&dev_attr_disp.attr,
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&dev_attr_cpufv.attr,
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&dev_attr_available_cpufv.attr,
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+ &dev_attr_cpufv_disabled.attr,
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NULL
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};
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@@ -796,6 +845,9 @@ static int eeepc_rfkill_init(struct eeepc_laptop *eeepc)
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if (result && result != -ENODEV)
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goto exit;
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+ if (eeepc->hotplug_disabled)
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+ return 0;
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+
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result = eeepc_setup_pci_hotplug(eeepc);
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/*
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* If we get -EBUSY then something else is handling the PCI hotplug -
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@@ -1090,120 +1142,42 @@ static void eeepc_backlight_exit(struct eeepc_laptop *eeepc)
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/*
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* Input device (i.e. hotkeys)
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*/
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-static struct key_entry *eeepc_get_entry_by_scancode(
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- struct eeepc_laptop *eeepc,
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- int code)
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+static int eeepc_input_init(struct eeepc_laptop *eeepc)
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{
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- struct key_entry *key;
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+ struct input_dev *input;
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+ int error;
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- for (key = eeepc->keymap; key->type != KE_END; key++)
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- if (code == key->code)
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- return key;
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-
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- return NULL;
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-}
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-
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-static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event)
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-{
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- static struct key_entry *key;
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-
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- key = eeepc_get_entry_by_scancode(eeepc, event);
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- if (key) {
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- switch (key->type) {
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- case KE_KEY:
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- input_report_key(eeepc->inputdev, key->keycode,
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- 1);
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- input_sync(eeepc->inputdev);
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- input_report_key(eeepc->inputdev, key->keycode,
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- 0);
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- input_sync(eeepc->inputdev);
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- break;
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- }
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+ input = input_allocate_device();
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+ if (!input) {
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+ pr_info("Unable to allocate input device\n");
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+ return -ENOMEM;
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}
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-}
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-
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-static struct key_entry *eeepc_get_entry_by_keycode(
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- struct eeepc_laptop *eeepc, int code)
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-{
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- struct key_entry *key;
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-
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- for (key = eeepc->keymap; key->type != KE_END; key++)
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- if (code == key->keycode && key->type == KE_KEY)
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- return key;
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- return NULL;
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-}
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+ input->name = "Asus EeePC extra buttons";
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+ input->phys = EEEPC_LAPTOP_FILE "/input0";
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+ input->id.bustype = BUS_HOST;
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+ input->dev.parent = &eeepc->platform_device->dev;
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-static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
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-{
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- struct eeepc_laptop *eeepc = input_get_drvdata(dev);
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- struct key_entry *key = eeepc_get_entry_by_scancode(eeepc, scancode);
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-
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- if (key && key->type == KE_KEY) {
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- *keycode = key->keycode;
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- return 0;
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+ error = sparse_keymap_setup(input, eeepc_keymap, NULL);
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+ if (error) {
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+ pr_err("Unable to setup input device keymap\n");
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+ goto err_free_dev;
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}
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- return -EINVAL;
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-}
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-
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-static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode)
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-{
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- struct eeepc_laptop *eeepc = input_get_drvdata(dev);
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- struct key_entry *key;
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- int old_keycode;
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-
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- if (keycode < 0 || keycode > KEY_MAX)
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- return -EINVAL;
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-
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- key = eeepc_get_entry_by_scancode(eeepc, scancode);
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- if (key && key->type == KE_KEY) {
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- old_keycode = key->keycode;
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- key->keycode = keycode;
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- set_bit(keycode, dev->keybit);
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- if (!eeepc_get_entry_by_keycode(eeepc, old_keycode))
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- clear_bit(old_keycode, dev->keybit);
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- return 0;
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+ error = input_register_device(input);
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+ if (error) {
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+ pr_err("Unable to register input device\n");
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+ goto err_free_keymap;
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}
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- return -EINVAL;
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-}
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-
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-static int eeepc_input_init(struct eeepc_laptop *eeepc)
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-{
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- const struct key_entry *key;
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- int result;
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-
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- eeepc->inputdev = input_allocate_device();
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- if (!eeepc->inputdev) {
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- pr_info("Unable to allocate input device\n");
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- return -ENOMEM;
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- }
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- eeepc->inputdev->name = "Asus EeePC extra buttons";
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- eeepc->inputdev->dev.parent = &eeepc->platform_device->dev;
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- eeepc->inputdev->phys = EEEPC_LAPTOP_FILE "/input0";
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- eeepc->inputdev->id.bustype = BUS_HOST;
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- eeepc->inputdev->getkeycode = eeepc_getkeycode;
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- eeepc->inputdev->setkeycode = eeepc_setkeycode;
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- input_set_drvdata(eeepc->inputdev, eeepc);
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-
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- eeepc->keymap = kmemdup(eeepc_keymap, sizeof(eeepc_keymap),
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- GFP_KERNEL);
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- for (key = eeepc_keymap; key->type != KE_END; key++) {
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- switch (key->type) {
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- case KE_KEY:
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- set_bit(EV_KEY, eeepc->inputdev->evbit);
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- set_bit(key->keycode, eeepc->inputdev->keybit);
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- break;
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- }
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- }
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- result = input_register_device(eeepc->inputdev);
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- if (result) {
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- pr_info("Unable to register input device\n");
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- input_free_device(eeepc->inputdev);
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- return result;
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- }
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+ eeepc->inputdev = input;
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return 0;
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+
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+ err_free_keymap:
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+ sparse_keymap_free(input);
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+ err_free_dev:
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+ input_free_device(input);
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+ return error;
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}
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static void eeepc_input_exit(struct eeepc_laptop *eeepc)
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@@ -1253,11 +1227,59 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
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* event will be desired value (or else ignored)
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*/
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}
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- eeepc_input_notify(eeepc, event);
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+ sparse_keymap_report_event(eeepc->inputdev, event,
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+ 1, true);
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}
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} else {
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/* Everything else is a bona-fide keypress event */
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- eeepc_input_notify(eeepc, event);
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+ sparse_keymap_report_event(eeepc->inputdev, event, 1, true);
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+ }
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+}
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+
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+static void eeepc_dmi_check(struct eeepc_laptop *eeepc)
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+{
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+ const char *model;
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+
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+ model = dmi_get_system_info(DMI_PRODUCT_NAME);
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+ if (!model)
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+ return;
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+
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+ /*
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+ * Blacklist for setting cpufv (cpu speed).
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+ *
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+ * EeePC 4G ("701") implements CFVS, but it is not supported
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+ * by the pre-installed OS, and the original option to change it
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+ * in the BIOS setup screen was removed in later versions.
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+ *
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+ * Judging by the lack of "Super Hybrid Engine" on Asus product pages,
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+ * this applies to all "701" models (4G/4G Surf/2G Surf).
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+ *
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+ * So Asus made a deliberate decision not to support it on this model.
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+ * We have several reports that using it can cause the system to hang
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+ *
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+ * The hang has also been reported on a "702" (Model name "8G"?).
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+ *
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+ * We avoid dmi_check_system() / dmi_match(), because they use
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+ * substring matching. We don't want to affect the "701SD"
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+ * and "701SDX" models, because they do support S.H.E.
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+ */
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+ if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) {
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+ eeepc->cpufv_disabled = true;
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+ pr_info("model %s does not officially support setting cpu "
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+ "speed\n", model);
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+ pr_info("cpufv disabled to avoid instability\n");
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+ }
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+
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+ /*
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+ * Blacklist for wlan hotplug
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+ *
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+ * Eeepc 1005HA doesn't work like others models and don't need the
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+ * hotplug code. In fact, current hotplug code seems to unplug another
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+ * device...
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+ */
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+ if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0) {
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+ eeepc->hotplug_disabled = true;
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+ pr_info("wlan hotplug disabled\n");
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}
|
|
|
}
|
|
|
|
|
|
@@ -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:
|
Linus Torvalds