dect/linux-2.6
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Pull asus into release branch

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Len Brown 2007-04-28 22:18:21 -04:00
commit eaf60d6924
1 changed files with 95 additions and 56 deletions
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151
drivers/misc/asus-laptop.c
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@ -3,7 +3,7 @@
*
*
* 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
@ -48,7 +48,7 @@
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
#define ASUS_LAPTOP_VERSION "0.40"
#define ASUS_LAPTOP_VERSION "0.41"
#define ASUS_HOTK_NAME "Asus Laptop Support"
#define ASUS_HOTK_CLASS "hotkey"
@ -81,7 +81,8 @@
#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 ASUS_LOG ASUS_HOTK_FILE ": "
#define ASUS_ERR KERN_ERR ASUS_LOG
@ -94,6 +95,19 @@ MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary");
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 }
@ -103,6 +117,7 @@ ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED");
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");
@ -221,6 +236,7 @@ ASUS_LED(mled, "mail");
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
@ -245,32 +261,19 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
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;
}
@ -285,19 +288,28 @@ static int read_status(int mask)
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;
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) \
{ \
@ -307,13 +319,14 @@ static void write_status(acpi_handle handle, int out, int mask, int invert)
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)
{
@ -338,7 +351,7 @@ static int set_lcd_state(int value)
printk(ASUS_WARNING "Error switching LCD\n");
}
write_status(NULL, lcd, LCD_ON, 0);
write_status(NULL, lcd, LCD_ON);
return 0;
}
@ -354,9 +367,11 @@ static void lcd_blank(int blank)
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;
@ -403,8 +418,10 @@ static ssize_t show_infos(struct device *dev,
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
@ -418,9 +435,10 @@ static ssize_t show_infos(struct device *dev,
* 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
@ -428,9 +446,10 @@ static ssize_t show_infos(struct device *dev,
* 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);
@ -465,7 +484,7 @@ static int parse_arg(const char *buf, unsigned long count, int *val)
}
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;
@ -474,7 +493,7 @@ static ssize_t store_status(const char *buf, size_t count,
if (rv > 0)
out = value ? 1 : 0;
write_status(handle, out, mask, invert);
write_status(handle, out, mask);
return rv;
}
@ -515,7 +534,7 @@ static ssize_t show_wlan(struct device *dev,
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);
}
/*
@ -531,7 +550,7 @@ static ssize_t store_bluetooth(struct device *dev,
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);
}
/*
@ -547,12 +566,15 @@ static void set_display(int value)
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");
}
@ -656,10 +678,10 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
* 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);
}
@ -771,7 +793,7 @@ static int asus_hotk_get_info(void)
{
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;
@ -794,11 +816,16 @@ static int asus_hotk_get_info(void)
}
/* 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.
@ -831,6 +858,7 @@ static int asus_hotk_get_info(void)
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);
@ -840,7 +868,9 @@ static int asus_hotk_get_info(void)
* 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)
@ -928,11 +958,15 @@ static int asus_hotk_add(struct acpi_device *device)
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;
@ -991,6 +1025,7 @@ static void asus_led_exit(void)
ASUS_LED_UNREGISTER(tled);
ASUS_LED_UNREGISTER(pled);
ASUS_LED_UNREGISTER(rled);
ASUS_LED_UNREGISTER(gled);
destroy_workqueue(led_workqueue);
}
@ -1062,6 +1097,10 @@ static int asus_led_init(struct device *dev)
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;