*
*
* Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
- * Copyright (C) 2006 Corentin Chary
+ * Copyright (C) 2006-2007 Corentin Chary
*
* 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
* Eric Burghard - LED display support for W1N
* Josh Green - Light Sens support
* Thomas Tuttle - His first patch for led support was very helpfull
- *
+ * Sam Lin - GPS support
*/
#include <linux/autoconf.h>
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
-#define ASUS_LAPTOP_VERSION "0.40"
+#define ASUS_LAPTOP_VERSION "0.42"
#define ASUS_HOTK_NAME "Asus Laptop Support"
#define ASUS_HOTK_CLASS "hotkey"
#define TLED_ON 0x08 //touchpad LED
#define RLED_ON 0x10 //Record LED
#define PLED_ON 0x20 //Phone LED
-#define LCD_ON 0x40 //LCD backlight
+#define GLED_ON 0x40 //Gaming LED
+#define LCD_ON 0x80 //LCD backlight
+#define GPS_ON 0x100 //GPS
#define ASUS_LOG ASUS_HOTK_FILE ": "
#define ASUS_ERR KERN_ERR ASUS_LOG
MODULE_DESCRIPTION(ASUS_HOTK_NAME);
MODULE_LICENSE("GPL");
+/* WAPF defines the behavior of the Fn+Fx wlan key
+ * The significance of values is yet to be found, but
+ * most of the time:
+ * 0x0 will do nothing
+ * 0x1 will allow to control the device with Fn+Fx key.
+ * 0x4 will send an ACPI event (0x88) while pressing the Fn+Fx key
+ * 0x5 like 0x1 or 0x4
+ * So, if something doesn't work as you want, just try other values =)
+ */
+static uint wapf = 1;
+module_param(wapf, uint, 0644);
+MODULE_PARM_DESC(wapf, "WAPF value");
+
#define ASUS_HANDLE(object, paths...) \
static acpi_handle object##_handle = NULL; \
static char *object##_paths[] = { paths }
ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED");
ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */
ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */
+ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED"); /* G1, G2 (probably) */
/* LEDD */
ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM");
ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G
M6A M6V VX-1 V6J V6V W3Z */
"\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V
- S5A M5A z33A W1Jc W2V */
+ S5A M5A z33A W1Jc W2V G1 */
"\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */
"\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */
"\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */
ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */
ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */
+/* GPS */
+/* R2H use different handle for GPS on/off */
+ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */
+ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */
+ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST");
+
/*
* This is the main structure, we can use it to store anything interesting
* about the hotk device
ASUS_LED(tled, "touchpad");
ASUS_LED(rled, "record");
ASUS_LED(pled, "phone");
+ASUS_LED(gled, "gaming");
/*
* This function evaluates an ACPI method, given an int as parameter, the
return (status == AE_OK);
}
-static int read_acpi_int(acpi_handle handle, const char *method, int *val,
- struct acpi_object_list *params)
-{
- struct acpi_buffer output;
- union acpi_object out_obj;
- acpi_status status;
-
- output.length = sizeof(out_obj);
- output.pointer = &out_obj;
-
- status = acpi_evaluate_object(handle, (char *)method, params, &output);
- *val = out_obj.integer.value;
- return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER);
-}
-
static int read_wireless_status(int mask)
{
- int status;
+ ulong status;
+ acpi_status rv = AE_OK;
if (!wireless_status_handle)
return (hotk->status & mask) ? 1 : 0;
- if (read_acpi_int(wireless_status_handle, NULL, &status, NULL)) {
- return (status & mask) ? 1 : 0;
- } else
+ rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status);
+ if (ACPI_FAILURE(rv))
printk(ASUS_WARNING "Error reading Wireless status\n");
+ else
+ return (status & mask) ? 1 : 0;
return (hotk->status & mask) ? 1 : 0;
}
+static int read_gps_status(void)
+{
+ ulong status;
+ acpi_status rv = AE_OK;
+
+ rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status);
+ if (ACPI_FAILURE(rv))
+ printk(ASUS_WARNING "Error reading GPS status\n");
+ else
+ return status ? 1 : 0;
+
+ return (hotk->status & GPS_ON) ? 1 : 0;
+}
+
/* Generic LED functions */
static int read_status(int mask)
{
/* There is a special method for both wireless devices */
if (mask == BT_ON || mask == WL_ON)
return read_wireless_status(mask);
+ else if (mask == GPS_ON)
+ return read_gps_status();
return (hotk->status & mask) ? 1 : 0;
}
-static void write_status(acpi_handle handle, int out, int mask, int invert)
+static void write_status(acpi_handle handle, int out, int mask)
{
hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask);
- if (invert) /* invert target value */
+ switch (mask) {
+ case MLED_ON:
out = !out & 0x1;
+ break;
+ case GLED_ON:
+ out = (out & 0x1) + 1;
+ break;
+ case GPS_ON:
+ handle = (out) ? gps_on_handle : gps_off_handle;
+ out = 0x02;
+ break;
+ default:
+ out &= 0x1;
+ break;
+ }
if (handle && !write_acpi_int(handle, NULL, out, NULL))
- printk(ASUS_WARNING " write failed\n");
+ printk(ASUS_WARNING " write failed %x\n", mask);
}
/* /sys/class/led handlers */
-#define ASUS_LED_HANDLER(object, mask, invert) \
+#define ASUS_LED_HANDLER(object, mask) \
static void object##_led_set(struct led_classdev *led_cdev, \
enum led_brightness value) \
{ \
static void object##_led_update(struct work_struct *ignored) \
{ \
int value = object##_led_wk; \
- write_status(object##_set_handle, value, (mask), (invert)); \
+ write_status(object##_set_handle, value, (mask)); \
}
-ASUS_LED_HANDLER(mled, MLED_ON, 1);
-ASUS_LED_HANDLER(pled, PLED_ON, 0);
-ASUS_LED_HANDLER(rled, RLED_ON, 0);
-ASUS_LED_HANDLER(tled, TLED_ON, 0);
+ASUS_LED_HANDLER(mled, MLED_ON);
+ASUS_LED_HANDLER(pled, PLED_ON);
+ASUS_LED_HANDLER(rled, RLED_ON);
+ASUS_LED_HANDLER(tled, TLED_ON);
+ASUS_LED_HANDLER(gled, GLED_ON);
static int get_lcd_state(void)
{
printk(ASUS_WARNING "Error switching LCD\n");
}
- write_status(NULL, lcd, LCD_ON, 0);
+ write_status(NULL, lcd, LCD_ON);
return 0;
}
static int read_brightness(struct backlight_device *bd)
{
- int value;
+ ulong value;
+ acpi_status rv = AE_OK;
- if (!read_acpi_int(brightness_get_handle, NULL, &value, NULL))
+ rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value);
+ if (ACPI_FAILURE(rv))
printk(ASUS_WARNING "Error reading brightness\n");
return value;
struct device_attribute *attr, char *page)
{
int len = 0;
- int temp;
+ ulong temp;
char buf[16]; //enough for all info
+ acpi_status rv = AE_OK;
+
/*
* We use the easy way, we don't care of off and count, so we don't set eof
* to 1
* bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
* The significance of others is yet to be found.
*/
- if (read_acpi_int(hotk->handle, "SFUN", &temp, NULL))
- len +=
- sprintf(page + len, "SFUN value : 0x%04x\n", temp);
+ rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp);
+ if (!ACPI_FAILURE(rv))
+ len += sprintf(page + len, "SFUN value : 0x%04x\n",
+ (uint) temp);
/*
* Another value for userspace: the ASYM method returns 0x02 for
* battery low and 0x04 for battery critical, its readings tend to be
* Note: since not all the laptops provide this method, errors are
* silently ignored.
*/
- if (read_acpi_int(hotk->handle, "ASYM", &temp, NULL))
- len +=
- sprintf(page + len, "ASYM value : 0x%04x\n", temp);
+ rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp);
+ if (!ACPI_FAILURE(rv))
+ len += sprintf(page + len, "ASYM value : 0x%04x\n",
+ (uint) temp);
if (asus_info) {
snprintf(buf, 16, "%d", asus_info->length);
len += sprintf(page + len, "DSDT length : %s\n", buf);
}
static ssize_t store_status(const char *buf, size_t count,
- acpi_handle handle, int mask, int invert)
+ acpi_handle handle, int mask)
{
int rv, value;
int out = 0;
if (rv > 0)
out = value ? 1 : 0;
- write_status(handle, out, mask, invert);
+ write_status(handle, out, mask);
return rv;
}
static ssize_t store_wlan(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- return store_status(buf, count, wl_switch_handle, WL_ON, 0);
+ return store_status(buf, count, wl_switch_handle, WL_ON);
}
/*
struct device_attribute *attr, const char *buf,
size_t count)
{
- return store_status(buf, count, bt_switch_handle, BT_ON, 0);
+ return store_status(buf, count, bt_switch_handle, BT_ON);
}
/*
static int read_display(void)
{
- int value = 0;
+ ulong value = 0;
+ acpi_status rv = AE_OK;
/* In most of the case, we know how to set the display, but sometime
we can't read it */
if (display_get_handle) {
- if (!read_acpi_int(display_get_handle, NULL, &value, NULL))
+ rv = acpi_evaluate_integer(display_get_handle, NULL,
+ NULL, &value);
+ if (ACPI_FAILURE(rv))
printk(ASUS_WARNING "Error reading display status\n");
}
return rv;
}
+/*
+ * GPS
+ */
+static ssize_t show_gps(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%d\n", read_status(GPS_ON));
+}
+
+static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ return store_status(buf, count, NULL, GPS_ON);
+}
+
static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
{
/* TODO Find a better way to handle events count. */
* switched
*/
if (event == ATKD_LCD_ON) {
- write_status(NULL, 1, LCD_ON, 0);
+ write_status(NULL, 1, LCD_ON);
lcd_blank(FB_BLANK_UNBLANK);
} else if (event == ATKD_LCD_OFF) {
- write_status(NULL, 0, LCD_ON, 0);
+ write_status(NULL, 0, LCD_ON);
lcd_blank(FB_BLANK_POWERDOWN);
}
static ASUS_CREATE_DEVICE_ATTR(ledd);
static ASUS_CREATE_DEVICE_ATTR(ls_switch);
static ASUS_CREATE_DEVICE_ATTR(ls_level);
+static ASUS_CREATE_DEVICE_ATTR(gps);
static struct attribute *asuspf_attributes[] = {
&dev_attr_infos.attr,
&dev_attr_ledd.attr,
&dev_attr_ls_switch.attr,
&dev_attr_ls_level.attr,
+ &dev_attr_gps.attr,
NULL
};
ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl);
ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw);
}
+
+ if (gps_status_handle && gps_on_handle && gps_off_handle)
+ ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps);
}
static int asus_handle_init(char *name, acpi_handle * handle,
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *model = NULL;
- int bsts_result, hwrs_result;
+ ulong bsts_result, hwrs_result;
char *string = NULL;
acpi_status status;
}
/* This needs to be called for some laptops to init properly */
- if (!read_acpi_int(hotk->handle, "BSTS", &bsts_result, NULL))
+ status =
+ acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result);
+ if (ACPI_FAILURE(status))
printk(ASUS_WARNING "Error calling BSTS\n");
else if (bsts_result)
printk(ASUS_NOTICE "BSTS called, 0x%02x returned\n",
- bsts_result);
+ (uint) bsts_result);
+
+ /* This too ... */
+ write_acpi_int(hotk->handle, "CWAP", wapf, NULL);
/*
* Try to match the object returned by INIT to the specific model.
ASUS_HANDLE_INIT(tled_set);
ASUS_HANDLE_INIT(rled_set);
ASUS_HANDLE_INIT(pled_set);
+ ASUS_HANDLE_INIT(gled_set);
ASUS_HANDLE_INIT(ledd_set);
* The significance of others is yet to be found.
* If we don't find the method, we assume the device are present.
*/
- if (!read_acpi_int(hotk->handle, "HRWS", &hwrs_result, NULL))
+ status =
+ acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result);
+ if (ACPI_FAILURE(status))
hwrs_result = WL_HWRS | BT_HWRS;
if (hwrs_result & WL_HWRS)
/* There is a lot of models with "ALSL", but a few get
a real light sens, so we need to check it. */
- if (ASUS_HANDLE_INIT(ls_switch))
+ if (!ASUS_HANDLE_INIT(ls_switch))
ASUS_HANDLE_INIT(ls_level);
+ ASUS_HANDLE_INIT(gps_on);
+ ASUS_HANDLE_INIT(gps_off);
+ ASUS_HANDLE_INIT(gps_status);
+
kfree(model);
return AE_OK;
* We install the handler, it will receive the hotk in parameter, so, we
* could add other data to the hotk struct
*/
- status = acpi_install_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
+ status = acpi_install_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
asus_hotk_notify, hotk);
if (ACPI_FAILURE(status))
printk(ASUS_ERR "Error installing notify handler\n");
asus_hotk_found = 1;
/* WLED and BLED are on by default */
- write_status(bt_switch_handle, 1, BT_ON, 0);
- write_status(wl_switch_handle, 1, WL_ON, 0);
+ write_status(bt_switch_handle, 1, BT_ON);
+ write_status(wl_switch_handle, 1, WL_ON);
+
+ /* If the h/w switch is off, we need to check the real status */
+ write_status(NULL, read_status(BT_ON), BT_ON);
+ write_status(NULL, read_status(WL_ON), WL_ON);
/* LCD Backlight is on by default */
- write_status(NULL, 1, LCD_ON, 0);
+ write_status(NULL, 1, LCD_ON);
/* LED display is off by default */
hotk->ledd_status = 0xFFF;
if (ls_level_handle)
set_light_sens_level(hotk->light_level);
+ /* GPS is on by default */
+ write_status(NULL, 1, GPS_ON);
+
end:
if (result) {
kfree(hotk->name);
if (!device || !acpi_driver_data(device))
return -EINVAL;
- status = acpi_remove_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
+ status = acpi_remove_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
asus_hotk_notify);
if (ACPI_FAILURE(status))
printk(ASUS_ERR "Error removing notify handler\n");
ASUS_LED_UNREGISTER(tled);
ASUS_LED_UNREGISTER(pled);
ASUS_LED_UNREGISTER(rled);
+ ASUS_LED_UNREGISTER(gled);
destroy_workqueue(led_workqueue);
}
if (rv)
return rv;
+ rv = ASUS_LED_REGISTER(gled, dev);
+ if (rv)
+ return rv;
+
led_workqueue = create_singlethread_workqueue("led_workqueue");
if (!led_workqueue)
return -ENOMEM;
git.samba.org / sfrench / cifs-2.6.git / blobdiff