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Commit 361ea93c authored by Len Brown's avatar Len Brown
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Pull asus_acpi-0.30 into release branch

parents 5f765b8d 9becf5b9
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drivers/acpi/asus_acpi.c
View file @ 361ea93c
......@@ -2,7 +2,7 @@
* asus_acpi.c - Asus Laptop ACPI Extras
*
*
* Copyright (C) 2002, 2003, 2004 Julien Lerouge, Karol Kozimor
* Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
*
* 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
......@@ -26,11 +26,8 @@
* Pontus Fuchs - Helper functions, cleanup
* Johann Wiesner - Small compile fixes
* John Belmonte - ACPI code for Toshiba laptop was a good starting point.
* ric Burghard - LED display support for W1N
*
* TODO:
* add Fn key status
* Add mode selection on module loading (parameter) -> still necessary?
* Complete display switching -- may require dirty hacks or calling _DOS?
*/
#include <linux/kernel.h>
......@@ -42,12 +39,14 @@
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
#define ASUS_ACPI_VERSION "0.29"
#define ASUS_ACPI_VERSION "0.30"
#define PROC_ASUS "asus" //the directory
#define PROC_MLED "mled"
#define PROC_WLED "wled"
#define PROC_TLED "tled"
#define PROC_BT "bluetooth"
#define PROC_LEDD "ledd"
#define PROC_INFO "info"
#define PROC_LCD "lcd"
#define PROC_BRN "brn"
......@@ -67,9 +66,10 @@
/*
* Flags for hotk status
*/
#define MLED_ON 0x01 //is MLED ON ?
#define WLED_ON 0x02
#define TLED_ON 0x04
#define MLED_ON 0x01 //mail LED
#define WLED_ON 0x02 //wireless LED
#define TLED_ON 0x04 //touchpad LED
#define BT_ON 0x08 //internal Bluetooth
MODULE_AUTHOR("Julien Lerouge, Karol Kozimor");
MODULE_DESCRIPTION(ACPI_HOTK_NAME);
......@@ -92,7 +92,10 @@ struct model_data {
char *wled_status; //node to handle wled reading_______A
char *mt_tled; //method to handle tled_____________R
char *tled_status; //node to handle tled reading_______A
char *mt_lcd_switch; //method to turn LCD ON/OFF_________A
char *mt_ledd; //method to handle LED display______R
char *mt_bt_switch; //method to switch Bluetooth on/off_R
char *bt_status; //no model currently supports this__?
char *mt_lcd_switch; //method to turn LCD on/off_________A
char *lcd_status; //node to read LCD panel state______A
char *brightness_up; //method to set brightness up_______A
char *brightness_down; //guess what ?______________________A
......@@ -111,27 +114,31 @@ struct asus_hotk {
struct acpi_device *device; //the device we are in
acpi_handle handle; //the handle of the hotk device
char status; //status of the hotk, for LEDs, ...
u32 ledd_status; //status of the LED display
struct model_data *methods; //methods available on the laptop
u8 brightness; //brightness level
enum {
A1x = 0, //A1340D, A1300F
A2x, //A2500H
A4G, //A4700G
D1x, //D1
L2D, //L2000D
L3C, //L3800C
L3D, //L3400D
L3H, //L3H, but also L2000E
L3H, //L3H, L2000E, L5D
L4R, //L4500R
L5x, //L5800C
L8L, //L8400L
M1A, //M1300A
M2E, //M2400E, L4400L
M6N, //M6800N
M6R, //M6700R
M6N, //M6800N, W3400N
M6R, //M6700R, A3000G
P30, //Samsung P30
S1x, //S1300A, but also L1400B and M2400A (L84F)
S2x, //S200 (J1 reported), Victor MP-XP7210
xxN, //M2400N, M3700N, M5200N, S1300N, S5200N, W1OOON
W1N, //W1000N
W5A, //W5A
xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N
//(Centrino)
END_MODEL
} model; //Models currently supported
......@@ -149,17 +156,8 @@ struct asus_hotk {
static struct model_data model_conf[END_MODEL] = {
/*
* Those pathnames are relative to the HOTK / ATKD device :
* - mt_mled
* - mt_wled
* - brightness_set
* - brightness_get
* - display_set
* - display_get
*
* TODO I have seen a SWBX and AIBX method on some models, like L1400B,
* it seems to be a kind of switch, but what for ?
*
*/
{
......@@ -183,6 +181,16 @@ static struct model_data model_conf[END_MODEL] = {
.display_set = "SDSP",
.display_get = "\\INFB"},
{
.name = "A4G",
.mt_mled = "MLED",
/* WLED present, but not controlled by ACPI */
.mt_lcd_switch = xxN_PREFIX "_Q10",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\ADVG"},
{
.name = "D1x",
.mt_mled = "MLED",
......@@ -302,7 +310,8 @@ static struct model_data model_conf[END_MODEL] = {
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\_SB.PCI0.P0P1.VGA.GETD"},
.display_get = "\\SSTE"},
{
.name = "M6R",
.mt_mled = "MLED",
......@@ -312,7 +321,7 @@ static struct model_data model_conf[END_MODEL] = {
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\SSTE"},
.display_get = "\\_SB.PCI0.P0P1.VGA.GETD"},
{
.name = "P30",
......@@ -344,6 +353,28 @@ static struct model_data model_conf[END_MODEL] = {
.brightness_up = S2x_PREFIX "_Q0B",
.brightness_down = S2x_PREFIX "_Q0A"},
{
.name = "W1N",
.mt_mled = "MLED",
.mt_wled = "WLED",
.mt_ledd = "SLCM",
.mt_lcd_switch = xxN_PREFIX "_Q10",
.lcd_status = "\\BKLT",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\ADVG"},
{
.name = "W5A",
.mt_bt_switch = "BLED",
.mt_wled = "WLED",
.mt_lcd_switch = xxN_PREFIX "_Q10",
.brightness_set = "SPLV",
.brightness_get = "GPLV",
.display_set = "SDSP",
.display_get = "\\ADVG"},
{
.name = "xxN",
.mt_mled = "MLED",
......@@ -562,6 +593,36 @@ proc_write_mled(struct file *file, const char __user * buffer,
return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1);
}
/*
* Proc handlers for LED display
*/
static int
proc_read_ledd(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
return sprintf(page, "0x%08x\n", hotk->ledd_status);
}
static int
proc_write_ledd(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
int value;
count = parse_arg(buffer, count, &value);
if (count > 0) {
if (!write_acpi_int
(hotk->handle, hotk->methods->mt_ledd, value, NULL))
printk(KERN_WARNING
"Asus ACPI: LED display write failed\n");
else
hotk->ledd_status = (u32) value;
} else if (count < 0)
printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
return count;
}
/*
* Proc handlers for WLED
*/
......@@ -580,6 +641,25 @@ proc_write_wled(struct file *file, const char __user * buffer,
return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0);
}
/*
* Proc handlers for Bluetooth
*/
static int
proc_read_bluetooth(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
return sprintf(page, "%d\n", read_led(hotk->methods->bt_status, BT_ON));
}
static int
proc_write_bluetooth(struct file *file, const char __user * buffer,
unsigned long count, void *data)
{
/* Note: mt_bt_switch controls both internal Bluetooth adapter's
presence and its LED */
return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0);
}
/*
* Proc handlers for TLED
*/
......@@ -876,6 +956,11 @@ static int asus_hotk_add_fs(struct acpi_device *device)
mode, device);
}
if (hotk->methods->mt_ledd) {
asus_proc_add(PROC_LEDD, &proc_write_ledd, &proc_read_ledd,
mode, device);
}
if (hotk->methods->mt_mled) {
asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled,
mode, device);
......@@ -886,6 +971,11 @@ static int asus_hotk_add_fs(struct acpi_device *device)
mode, device);
}
if (hotk->methods->mt_bt_switch) {
asus_proc_add(PROC_BT, &proc_write_bluetooth,
&proc_read_bluetooth, mode, device);
}
/*
* We need both read node and write method as LCD switch is also accessible
* from keyboard
......@@ -919,6 +1009,10 @@ static int asus_hotk_remove_fs(struct acpi_device *device)
remove_proc_entry(PROC_MLED, acpi_device_dir(device));
if (hotk->methods->mt_tled)
remove_proc_entry(PROC_TLED, acpi_device_dir(device));
if (hotk->methods->mt_ledd)
remove_proc_entry(PROC_LEDD, acpi_device_dir(device));
if (hotk->methods->mt_bt_switch)
remove_proc_entry(PROC_BT, acpi_device_dir(device));
if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status)
remove_proc_entry(PROC_LCD, acpi_device_dir(device));
if ((hotk->methods->brightness_up
......@@ -950,6 +1044,65 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
return;
}
/*
* Match the model string to the list of supported models. Return END_MODEL if
* no match or model is NULL.
*/
static int asus_model_match(char *model)
{
if (model == NULL)
return END_MODEL;
if (strncmp(model, "L3D", 3) == 0)
return L3D;
else if (strncmp(model, "L2E", 3) == 0 ||
strncmp(model, "L3H", 3) == 0 || strncmp(model, "L5D", 3) == 0)
return L3H;
else if (strncmp(model, "L3", 2) == 0 || strncmp(model, "L2B", 3) == 0)
return L3C;
else if (strncmp(model, "L8L", 3) == 0)
return L8L;
else if (strncmp(model, "L4R", 3) == 0)
return L4R;
else if (strncmp(model, "M6N", 3) == 0 || strncmp(model, "W3N", 3) == 0)
return M6N;
else if (strncmp(model, "M6R", 3) == 0 || strncmp(model, "A3G", 3) == 0)
return M6R;
else if (strncmp(model, "M2N", 3) == 0 ||
strncmp(model, "M3N", 3) == 0 ||
strncmp(model, "M5N", 3) == 0 ||
strncmp(model, "M6N", 3) == 0 ||
strncmp(model, "S1N", 3) == 0 ||
strncmp(model, "S5N", 3) == 0 || strncmp(model, "W1N", 3) == 0)
return xxN;
else if (strncmp(model, "M1", 2) == 0)
return M1A;
else if (strncmp(model, "M2", 2) == 0 || strncmp(model, "L4E", 3) == 0)
return M2E;
else if (strncmp(model, "L2", 2) == 0)
return L2D;
else if (strncmp(model, "L8", 2) == 0)
return S1x;
else if (strncmp(model, "D1", 2) == 0)
return D1x;
else if (strncmp(model, "A1", 2) == 0)
return A1x;
else if (strncmp(model, "A2", 2) == 0)
return A2x;
else if (strncmp(model, "J1", 2) == 0)
return S2x;
else if (strncmp(model, "L5", 2) == 0)
return L5x;
else if (strncmp(model, "A4G", 3) == 0)
return A4G;
else if (strncmp(model, "W1N", 3) == 0)
return W1N;
else if (strncmp(model, "W5A", 3) == 0)
return W5A;
else
return END_MODEL;
}
/*
* This function is used to initialize the hotk with right values. In this
* method, we can make all the detection we want, and modify the hotk struct
......@@ -960,6 +1113,7 @@ static int asus_hotk_get_info(void)
struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *model = NULL;
int bsts_result;
char *string = NULL;
acpi_status status;
/*
......@@ -989,107 +1143,66 @@ static int asus_hotk_get_info(void)
printk(KERN_NOTICE " BSTS called, 0x%02x returned\n",
bsts_result);
/* This is unlikely with implicit return */
if (buffer.pointer == NULL)
return -EINVAL;
model = (union acpi_object *) buffer.pointer;
/*
* Samsung P30 has a device with a valid _HID whose INIT does not
* return anything. It used to be possible to catch this exception,
* but the implicit return code will now happily confuse the
* driver. We assume that every ACPI_TYPE_STRING is a valid model
* identifier but it's still possible to get completely bogus data.
* Try to match the object returned by INIT to the specific model.
* Handle every possible object (or the lack of thereof) the DSDT
* writers might throw at us. When in trouble, we pass NULL to
* asus_model_match() and try something completely different.
*/
if (model->type == ACPI_TYPE_STRING) {
printk(KERN_NOTICE " %s model detected, ", model->string.pointer);
} else {
if (asus_info && /* Samsung P30 */
if (buffer.pointer) {
model = (union acpi_object *)buffer.pointer;
switch (model->type) {
case ACPI_TYPE_STRING:
string = model->string.pointer;
break;
case ACPI_TYPE_BUFFER:
string = model->buffer.pointer;
break;
default:
kfree(model);
break;
}
}
hotk->model = asus_model_match(string);
if (hotk->model == END_MODEL) { /* match failed */
if (asus_info &&
strncmp(asus_info->oem_table_id, "ODEM", 4) == 0) {
hotk->model = P30;
printk(KERN_NOTICE
" Samsung P30 detected, supported\n");
} else {
hotk->model = M2E;
printk(KERN_WARNING " no string returned by INIT\n");
printk(KERN_WARNING " trying default values, supply "
"the developers with your DSDT\n");
printk(KERN_NOTICE " unsupported model %s, trying "
"default values\n", string);
printk(KERN_NOTICE
" send /proc/acpi/dsdt to the developers\n");
}
hotk->methods = &model_conf[hotk->model];
kfree(model);
return AE_OK;
}
hotk->model = END_MODEL;
if (strncmp(model->string.pointer, "L3D", 3) == 0)
hotk->model = L3D;
else if (strncmp(model->string.pointer, "L3H", 3) == 0 ||
strncmp(model->string.pointer, "L2E", 3) == 0)
hotk->model = L3H;
else if (strncmp(model->string.pointer, "L3", 2) == 0 ||
strncmp(model->string.pointer, "L2B", 3) == 0)
hotk->model = L3C;
else if (strncmp(model->string.pointer, "L8L", 3) == 0)
hotk->model = L8L;
else if (strncmp(model->string.pointer, "L4R", 3) == 0)
hotk->model = L4R;
else if (strncmp(model->string.pointer, "M6N", 3) == 0)
hotk->model = M6N;
else if (strncmp(model->string.pointer, "M6R", 3) == 0)
hotk->model = M6R;
else if (strncmp(model->string.pointer, "M2N", 3) == 0 ||
strncmp(model->string.pointer, "M3N", 3) == 0 ||
strncmp(model->string.pointer, "M5N", 3) == 0 ||
strncmp(model->string.pointer, "M6N", 3) == 0 ||
strncmp(model->string.pointer, "S1N", 3) == 0 ||
strncmp(model->string.pointer, "S5N", 3) == 0 ||
strncmp(model->string.pointer, "W1N", 3) == 0)
hotk->model = xxN;
else if (strncmp(model->string.pointer, "M1", 2) == 0)
hotk->model = M1A;
else if (strncmp(model->string.pointer, "M2", 2) == 0 ||
strncmp(model->string.pointer, "L4E", 3) == 0)
hotk->model = M2E;
else if (strncmp(model->string.pointer, "L2", 2) == 0)
hotk->model = L2D;
else if (strncmp(model->string.pointer, "L8", 2) == 0)
hotk->model = S1x;
else if (strncmp(model->string.pointer, "D1", 2) == 0)
hotk->model = D1x;
else if (strncmp(model->string.pointer, "A1", 2) == 0)
hotk->model = A1x;
else if (strncmp(model->string.pointer, "A2", 2) == 0)
hotk->model = A2x;
else if (strncmp(model->string.pointer, "J1", 2) == 0)
hotk->model = S2x;
else if (strncmp(model->string.pointer, "L5", 2) == 0)
hotk->model = L5x;
if (hotk->model == END_MODEL) {
printk("unsupported, trying default values, supply the "
"developers with your DSDT\n");
hotk->model = M2E;
} else {
printk("supported\n");
}
hotk->methods = &model_conf[hotk->model];
printk(KERN_NOTICE " %s model detected, supported\n", string);
/* Sort of per-model blacklist */
if (strncmp(model->string.pointer, "L2B", 3) == 0)
if (strncmp(string, "L2B", 3) == 0)
hotk->methods->lcd_status = NULL;
/* L2B is similar enough to L3C to use its settings, with this only
exception */
else if (strncmp(model->string.pointer, "S5N", 3) == 0 ||
strncmp(model->string.pointer, "M5N", 3) == 0)
else if (strncmp(string, "A3G", 3) == 0)
hotk->methods->lcd_status = "\\BLFG";
/* A3G is like M6R */
else if (strncmp(string, "S5N", 3) == 0 ||
strncmp(string, "M5N", 3) == 0 ||
strncmp(string, "W3N", 3) == 0)
hotk->methods->mt_mled = NULL;
/* S5N and M5N have no MLED */
else if (strncmp(model->string.pointer, "M2N", 3) == 0 ||
strncmp(model->string.pointer, "W1N", 3) == 0)
/* S5N, M5N and W3N have no MLED */
else if (strncmp(string, "L5D", 3) == 0)
hotk->methods->mt_wled = NULL;
/* L5D's WLED is not controlled by ACPI */
else if (strncmp(string, "M2N", 3) == 0 ||
strncmp(string, "S1N", 3) == 0)
hotk->methods->mt_wled = "WLED";
/* M2N and W1N have a usable WLED */
/* M2N and S1N have a usable WLED */
else if (asus_info) {
if (strncmp(asus_info->oem_table_id, "L1", 2) == 0)
hotk->methods->mled_status = NULL;
......@@ -1164,8 +1277,7 @@ static int asus_hotk_add(struct acpi_device *device)
/* For laptops without GPLV: init the hotk->brightness value */
if ((!hotk->methods->brightness_get)
&& (!hotk->methods->brightness_status)
&& (hotk->methods->brightness_up
&& hotk->methods->brightness_down)) {
&& (hotk->methods->brightness_up && hotk->methods->brightness_down)) {
status =
acpi_evaluate_object(NULL, hotk->methods->brightness_down,
NULL, NULL);
......@@ -1184,6 +1296,9 @@ static int asus_hotk_add(struct acpi_device *device)
asus_hotk_found = 1;
/* LED display is off by default */
hotk->ledd_status = 0xFFF;
end:
if (result) {
kfree(hotk);
......
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