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Commit ab540144 authored by Len Brown's avatar Len Brown
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[ACPI] acpi4asus-0.25-0.26.diff (Karol Kozimor)

parent 85185484
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Showing with 96 additions and 91 deletions
drivers/acpi/asus_acpi.c
View file @ ab540144
......@@ -30,10 +30,6 @@
* add Fn key status
* Add mode selection on module loading (parameter) -> still necessary?
* Complete display switching -- may require dirty hacks?
* Complete support for Centrino laptops
* Reading certain fields (e.g. \SG66 in A2500H) consistently fails, while
* reading others (\BAOF, the same machine) succeeds. Why?
*
*/
#include <linux/config.h>
......@@ -49,7 +45,7 @@
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
#define ASUS_ACPI_VERSION "0.25"
#define ASUS_ACPI_VERSION "0.26"
#define PROC_ASUS "asus" //the directory
#define PROC_MLED "mled"
......@@ -122,16 +118,18 @@ struct asus_hotk {
A2X, //A2500H
D1X, //D1
L1X, //L1400B
L2X, //L200D -> TODO check Q11 (Fn+F8)
L2X, //L2000D -> TODO check Q11 (Fn+F8)
// Calling this method simply hangs the
// computer, ISMI method hangs the laptop.
L3D, //L3400D
L3X, //L3C
L5X, //L5C TODO this model seems to have one more
// LED, add support
M2X, //M2400E
M3N, //M3700N, but also S1300N -> TODO WLED
S1X, //S1300A -> TODO special keys do not work ?
S2X, //S200 (J1 reported), Victor MP-XP7210
//TODO A1370D does not seems to have a ATK device
//TODO A1370D does not seem to have an ATK device
// L8400 model doesn't have ATK
END_MODEL
} model; //Models currently supported
......@@ -180,6 +178,9 @@ static struct model_data model_conf[END_MODEL] = {
L3X_PREFIX "_Q0F", L3X_PREFIX "_Q0E", "SPLV", "GPLV", "\\BLVL", "SDSP",
"\\_SB.PCI0.PCI1.VGAC.NMAP"},
{"L5X", "MLED", NULL, "WLED", "WRED", "\\Q0D", "\\BAOF",
"\\Q0C","\\Q0B", "SPLV", "GPLV", NULL, "SDSP", "\\INFB"},
{"M2X", "MLED", NULL, "WLED", NULL, "\\Q10", "\\GP06",
"\\Q0E","\\Q0F", "SPLV", "GPLV", NULL, "SDSP", "\\INFB"},
......@@ -267,6 +268,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
int len = 0;
int sfun;
struct asus_hotk *hotk = (struct asus_hotk *) data;
char buf[16]; //enough for all info
/*
......@@ -275,28 +277,27 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
*/
len += sprintf(page, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
len +=
sprintf(page + len, "Model reference : %s\n",
hotk->methods->name);
len += sprintf(page + len, "Model reference : %s\n",
hotk->methods->name);
if(read_acpi_int(hotk->handle, "SFUN", &sfun))
len += sprintf(page + len, "SFUN value : 0x%04x\n", sfun);
if (asus_info) {
snprintf(buf, 5, "%s", asus_info->signature);
len += sprintf(page + len, "ACPI signature : %s\n", buf);
snprintf(buf, 16, "%d", asus_info->length);
len += sprintf(page + len, "Table length : %s\n", buf);
snprintf(buf, 16, "%d", asus_info->revision);
len += sprintf(page + len, "ACPI minor version : %s\n", buf);
len += sprintf(page + len, "DSDT length : %s\n", buf);
snprintf(buf, 16, "%d", asus_info->checksum);
len += sprintf(page + len, "Checksum : %s\n", buf);
len += sprintf(page + len, "DSDT checksum : %s\n", buf);
snprintf(buf, 16, "%d", asus_info->revision);
len += sprintf(page + len, "DSDT revision : %s\n", buf);
snprintf(buf, 7, "%s", asus_info->oem_id);
len += sprintf(page + len, "OEM identification : %s\n", buf);
len += sprintf(page + len, "OEM id : %s\n", buf);
snprintf(buf, 9, "%s", asus_info->oem_table_id);
len += sprintf(page + len, "OEM table id : %s\n", buf);
snprintf(buf, 16, "%x", asus_info->oem_revision);
len += sprintf(page + len, "OEM rev number : 0x%s\n", buf);
len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
snprintf(buf, 5, "%s", asus_info->asl_compiler_id);
len += sprintf(page + len, "ASL comp vendor ID : %s\n", buf);
len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
snprintf(buf, 16, "%x", asus_info->asl_compiler_revision);
len += sprintf(page + len, "ASL comp rev number: 0x%s\n", buf);
len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
}
return len;
......@@ -322,7 +323,7 @@ proc_read_mled(char *page, char **start, off_t off, int count, int *eof,
&led_status))
len = sprintf(page, "%d\n", led_status);
else
printk(KERN_NOTICE "Asus ACPI: Error reading MLED "
printk(KERN_WARNING "Asus ACPI: Error reading MLED "
"status\n");
} else {
len = sprintf(page, "%d\n", (hotk->status & MLED_ON) ? 1 : 0);
......@@ -352,7 +353,7 @@ proc_write_mled(struct file *file, const char *buffer,
/* We don't have to check mt_mled exists if we are here :) */
if (!write_acpi_int(hotk->handle, hotk->methods->mt_mled, led_out,
NULL))
printk(KERN_NOTICE "Asus ACPI: MLED write failed\n");
printk(KERN_WARNING "Asus ACPI: MLED write failed\n");
......@@ -373,11 +374,11 @@ proc_read_wled(char *page, char **start, off_t off, int count, int *eof,
int led_status;
if (hotk->methods->wled_status) {
if (read_acpi_int(NULL, hotk->methods->mled_status,
if (read_acpi_int(NULL, hotk->methods->wled_status,
&led_status))
len = sprintf(page, "%d\n", led_status);
else
printk(KERN_NOTICE "Asus ACPI: Error reading WLED "
printk(KERN_WARNING "Asus ACPI: Error reading WLED "
"status\n");
} else {
len = sprintf(page, "%d\n", (hotk->status & WLED_ON) ? 1 : 0);
......@@ -404,7 +405,7 @@ proc_write_wled(struct file *file, const char *buffer,
/* We don't have to check if mt_wled exists if we are here :) */
if (!write_acpi_int(hotk->handle, hotk->methods->mt_wled, led_out,
NULL))
printk(KERN_NOTICE "Asus ACPI: WLED write failed\n");
printk(KERN_WARNING "Asus ACPI: WLED write failed\n");
return count;
......@@ -417,7 +418,7 @@ static int get_lcd_state(struct asus_hotk *hotk)
/* We don't have to check anything, if we are here */
if (!read_acpi_int(NULL, hotk->methods->lcd_status, &lcd))
printk(KERN_NOTICE "Asus ACPI: Error reading LCD status\n");
printk(KERN_WARNING "Asus ACPI: Error reading LCD status\n");
if (hotk->model == L2X)
lcd = ~lcd;
......@@ -456,7 +457,7 @@ proc_write_lcd(struct file *file, const char *buffer,
acpi_evaluate_object(NULL, hotk->methods->mt_lcd_switch,
NULL, NULL);
if (ACPI_FAILURE(status))
printk(KERN_NOTICE "Asus ACPI: Error switching LCD\n");
printk(KERN_WARNING "Asus ACPI: Error switching LCD\n");
}
return count;
......@@ -474,7 +475,7 @@ static void set_brightness(int value, struct asus_hotk *hotk)
if(hotk->methods->brightness_set) {
if (!write_acpi_int(hotk->handle, hotk->methods->brightness_set,
value, NULL))
printk(KERN_NOTICE "Asus ACPI: Error changing brightness\n");
printk(KERN_WARNING "Asus ACPI: Error changing brightness\n");
return;
}
......@@ -487,7 +488,7 @@ static void set_brightness(int value, struct asus_hotk *hotk)
NULL, NULL);
(value > 0) ? value-- : value++;
if (ACPI_FAILURE(status))
printk(KERN_NOTICE "Asus ACPI: Error changing brightness\n");
printk(KERN_WARNING "Asus ACPI: Error changing brightness\n");
}
return;
}
......@@ -499,11 +500,11 @@ static int read_brightness(struct asus_hotk *hotk)
if(hotk->methods->brightness_get) { /* SPLV/GPLV laptop */
if (!read_acpi_int(hotk->handle, hotk->methods->brightness_get,
&value))
printk(KERN_NOTICE "Asus ACPI: Error reading brightness\n");
printk(KERN_WARNING "Asus ACPI: Error reading brightness\n");
} else if (hotk->methods->brightness_status) { /* For D1 for example */
if (!read_acpi_int(NULL, hotk->methods->brightness_status,
&value))
printk(KERN_NOTICE "Asus ACPI: Error reading brightness\n");
printk(KERN_WARNING "Asus ACPI: Error reading brightness\n");
} else /* No GPLV method */
value = hotk->brightness;
return value;
......@@ -530,7 +531,7 @@ proc_write_brn(struct file *file, const char *buffer,
/* 0 <= value <= 15 */
set_brightness(value, hotk);
} else {
printk(KERN_NOTICE "Asus ACPI: Error reading user input\n");
printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
}
return count;
......@@ -541,7 +542,7 @@ static void set_display(int value, struct asus_hotk *hotk)
/* no sanity check needed for now */
if (!write_acpi_int(hotk->handle, hotk->methods->display_set,
value, NULL))
printk(KERN_NOTICE "Asus ACPI: Error setting display\n");
printk(KERN_WARNING "Asus ACPI: Error setting display\n");
return;
}
......@@ -558,7 +559,7 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
struct asus_hotk *hotk = (struct asus_hotk *) data;
if (!read_acpi_int(hotk->handle, hotk->methods->display_get, &value))
printk(KERN_NOTICE "Asus ACPI: Error reading display status\n");
printk(KERN_WARNING "Asus ACPI: Error reading display status\n");
return sprintf(page, "%d\n", value);
}
......@@ -580,13 +581,13 @@ proc_write_disp(struct file *file, const char *buffer,
if (sscanf(buffer, "%d", &value) == 1)
set_display(value, hotk);
else {
printk(KERN_NOTICE "Asus ACPI: Error reading user input\n");
printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
}
return count;
}
static int asus_hotk_add_fs(struct acpi_device *device)
static int __init asus_hotk_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *proc;
struct asus_hotk *hotk = acpi_driver_data(device);
......@@ -600,7 +601,7 @@ static int asus_hotk_add_fs(struct acpi_device *device)
if ((asus_uid == 0) && (asus_gid == 0)){
mode = S_IFREG | S_IRUGO | S_IWUGO;
}else{
} else {
mode = S_IFREG | S_IRUSR | S_IRGRP | S_IWUSR | S_IWGRP;
}
......@@ -616,7 +617,7 @@ static int asus_hotk_add_fs(struct acpi_device *device)
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_NOTICE " Unable to create " PROC_INFOS
printk(KERN_WARNING " Unable to create " PROC_INFOS
" fs entry\n");
}
......@@ -630,7 +631,7 @@ static int asus_hotk_add_fs(struct acpi_device *device)
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_NOTICE " Unable to create " PROC_WLED
printk(KERN_WARNING " Unable to create " PROC_WLED
" fs entry\n");
}
}
......@@ -645,7 +646,7 @@ static int asus_hotk_add_fs(struct acpi_device *device)
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_NOTICE " Unable to create " PROC_MLED
printk(KERN_WARNING " Unable to create " PROC_MLED
" fs entry\n");
}
}
......@@ -664,7 +665,7 @@ static int asus_hotk_add_fs(struct acpi_device *device)
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_NOTICE " Unable to create " PROC_LCD
printk(KERN_WARNING " Unable to create " PROC_LCD
" fs entry\n");
}
}
......@@ -680,7 +681,7 @@ static int asus_hotk_add_fs(struct acpi_device *device)
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_NOTICE " Unable to create " PROC_BRN
printk(KERN_WARNING " Unable to create " PROC_BRN
" fs entry\n");
}
}
......@@ -695,12 +696,12 @@ static int asus_hotk_add_fs(struct acpi_device *device)
proc->uid = asus_uid;
proc->gid = asus_gid;;
} else {
printk(KERN_NOTICE " Unable to create " PROC_DISP
printk(KERN_WARNING " Unable to create " PROC_DISP
" fs entry\n");
}
}
return (AE_OK);
return 0;
}
......@@ -730,19 +731,40 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
* 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
*/
static int asus_hotk_get_info(struct asus_hotk *hotk)
static int __init asus_hotk_get_info(struct asus_hotk *hotk)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *model = NULL;
int bsts_result;
acpi_status status;
/*
* We have to write 0 on init this far for all ASUS models
/*
* Get DSDT headers early enough to allow for differentiating between
* models, but late enough to allow acpi_bus_register_driver() to fail
* before doing anything ACPI-specific. Should we encounter a machine,
* which needs special handling (i.e. its hotkey device has a different
* HID), this bit will be moved. A global variable asus_info contains
* the DSDT header.
*/
status = acpi_get_table(ACPI_TABLE_DSDT, 1, &dsdt);
if (ACPI_FAILURE(status))
printk(KERN_WARNING " Couldn't get the DSDT table header\n");
else
asus_info = (struct acpi_table_header *) dsdt.pointer;
/* We have to write 0 on init this far for all ASUS models */
if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
printk(KERN_NOTICE " Hotkey initialization failed\n");
printk(KERN_ERR " Hotkey initialization failed\n");
return -ENODEV;
}
/* For testing purposes */
if (!read_acpi_int(hotk->handle, "BSTS", &bsts_result))
printk(KERN_WARNING " Error calling BSTS\n");
else if (bsts_result)
printk(KERN_NOTICE " BSTS called, 0x%02x returned\n", bsts_result);
/*
* Here, we also use asus_info to make decision. For example, on INIT
* method, S1X and L1X models both reports to be L84F, but they don't
......@@ -772,12 +794,14 @@ static int asus_hotk_get_info(struct asus_hotk *hotk)
hotk->model = M3N; /* S1300N is similar enough */
else if (strncmp(model->string.pointer, "L2", 2) == 0)
hotk->model = L2X;
else if (strncmp(model->string.pointer, "L8", 2) == 0)
else if (strncmp(model->string.pointer, "L8", 2) == 0) {
/* S1300A reports L84F, but L1400B too */
if (strncmp(asus_info->oem_table_id, "L1", 2) == 0)
hotk->model = L1X;
else
if (asus_info) {
if (strncmp(asus_info->oem_table_id, "L1", 2) == 0)
hotk->model = L1X;
} else
hotk->model = S1X;
}
else if (strncmp(model->string.pointer, "D1", 2) == 0)
hotk->model = D1X;
else if (strncmp(model->string.pointer, "A1", 2) == 0)
......@@ -786,12 +810,13 @@ static int asus_hotk_get_info(struct asus_hotk *hotk)
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) {
/* By default use the same values, as I don't know others */
printk("unsupported, trying default values, contact the "
"developers\n");
printk("unsupported, trying default values, supply the "
"developers with your DSDT\n");
hotk->model = L2X;
} else {
printk("supported\n");
......@@ -806,7 +831,7 @@ static int asus_hotk_get_info(struct asus_hotk *hotk)
static int asus_hotk_check(struct asus_hotk *hotk)
static int __init asus_hotk_check(struct asus_hotk *hotk)
{
int result = 0;
......@@ -820,7 +845,7 @@ static int asus_hotk_check(struct asus_hotk *hotk)
if (hotk->device->status.present) {
result = asus_hotk_get_info(hotk);
} else {
printk(KERN_NOTICE " Hotkey device not present, aborting\n");
printk(KERN_ERR " Hotkey device not present, aborting\n");
return(-EINVAL);
}
......@@ -829,7 +854,7 @@ static int asus_hotk_check(struct asus_hotk *hotk)
static int asus_hotk_add(struct acpi_device *device)
static int __init asus_hotk_add(struct acpi_device *device)
{
struct asus_hotk *hotk = NULL;
acpi_status status = AE_OK;
......@@ -838,6 +863,9 @@ static int asus_hotk_add(struct acpi_device *device)
if (!device)
return(-EINVAL);
printk(KERN_NOTICE "Asus Laptop ACPI Extras version %s\n",
ASUS_ACPI_VERSION);
hotk =
(struct asus_hotk *) kmalloc(sizeof(struct asus_hotk), GFP_KERNEL);
if (!hotk)
......@@ -865,13 +893,8 @@ static int asus_hotk_add(struct acpi_device *device)
*/
status = acpi_install_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
asus_hotk_notify, hotk);
if (ACPI_FAILURE(status)) {
printk(KERN_NOTICE
" Error installing notify handler\n");
} else {
printk(KERN_DEBUG
" Notify Handler installed successfully\n");
}
if (ACPI_FAILURE(status))
printk(KERN_ERR " Error installing notify handler\n");
/* For laptops without GPLV: init the hotk->brightness value */
if ((!hotk->methods->brightness_get) && (!hotk->methods->brightness_status) &&
......@@ -879,12 +902,12 @@ static int asus_hotk_add(struct acpi_device *device)
status = acpi_evaluate_object(NULL, hotk->methods->brightness_down,
NULL, NULL);
if (ACPI_FAILURE(status))
printk(KERN_NOTICE " Error changing brightness\n");
printk(KERN_WARNING " Error changing brightness\n");
else {
status = acpi_evaluate_object(NULL, hotk->methods->brightness_up,
NULL, NULL);
if (ACPI_FAILURE(status))
printk(KERN_NOTICE " Strange, error changing"
printk(KERN_WARNING " Strange, error changing"
" brightness\n");
}
}
......@@ -900,7 +923,7 @@ static int asus_hotk_add(struct acpi_device *device)
static int asus_hotk_remove(struct acpi_device *device, int type)
static int __exit asus_hotk_remove(struct acpi_device *device, int type)
{
acpi_status status = 0;
struct asus_hotk *hotk = NULL;
......@@ -913,7 +936,7 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
status = acpi_remove_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
asus_hotk_notify);
if (ACPI_FAILURE(status))
printk(KERN_NOTICE "Error removing notify handler\n");
printk(KERN_ERR "Asus ACPI: Error removing notify handler\n");
kfree(hotk);
......@@ -925,35 +948,17 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
static int __init asus_acpi_init(void)
{
int result = 0;
acpi_status status = 0;
struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL };
printk(KERN_NOTICE "Asus Laptop ACPI Extras version %s\n",
ASUS_ACPI_VERSION);
/*
* Here is the code to know the model we are running on. We need to
* know this before calling the acpi_bus_register_driver function, in
* case the HID for the laptop we are running on is different from
* ACPI_HOTK_HID, which I have never seen yet :)
*
* This information is then available in the global var asus_info
*/
status = acpi_get_table(ACPI_TABLE_DSDT, 1, &dsdt);
if (ACPI_FAILURE(status)) {
printk(KERN_NOTICE " Couldn't get the DSDT table header\n");
} else {
asus_info = (struct acpi_table_header *) dsdt.pointer;
}
int result;
asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir);
if (!asus_proc_dir)
if (!asus_proc_dir) {
printk(KERN_ERR "Asus ACPI: Unable to create /proc entry");
return(-ENODEV);
}
asus_proc_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&asus_hotk_driver);
if (result < 0) {
printk(KERN_NOTICE " Error registering " ACPI_HOTK_NAME " \n");
remove_proc_entry(PROC_ASUS, acpi_root_dir);
return(-ENODEV);
}
......
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